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openwifi/driver/ad9361/ad9361.c

9444 lines
271 KiB
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initial commit
2019-12-10 13:03:47 +00:00
/*
* AD9361 Agile RF Transceiver
*
* Copyright 2013-2015 Analog Devices Inc.
*
* Modified by Xianjun jiao. putaoshu@msn.com; xianjun.jiao@imec.be
*
* Licensed under the GPL-2.
*/
//#define DEBUG
//#define _DEBUG
#include <linux/module.h>
#include <linux/device.h>
#include <linux/kernel.h>
#include <linux/slab.h>
#include <linux/spi/spi.h>
#include <linux/err.h>
#include <linux/delay.h>
#include <linux/io.h>
#include <linux/string.h>
#include <linux/debugfs.h>
#include <linux/uaccess.h>
#include <linux/firmware.h>
#include <linux/of.h>
#include <linux/of_gpio.h>
#include <linux/gpio/consumer.h>
#include <asm/unaligned.h>
#include <linux/iio/iio.h>
#include <linux/iio/sysfs.h>
#include <linux/clk.h>
#include <linux/clkdev.h>
#include <linux/clk-provider.h>
#define IIO_AD9361_USE_PRIVATE_H_
#include "ad9361.h"
#include "ad9361_private.h"
static const struct SynthLUT SynthLUT_FDD[LUT_FTDD_ENT][SYNTH_LUT_SIZE] = {
{
{12605, 13, 1, 4, 2, 15, 12, 7, 14, 6, 14, 5, 15}, /* 40 MHz */
{12245, 13, 1, 4, 2, 15, 12, 7, 14, 6, 14, 5, 15},
{11906, 13, 1, 4, 2, 15, 12, 7, 15, 6, 14, 5, 15},
{11588, 13, 1, 4, 2, 15, 12, 8, 15, 6, 14, 5, 15},
{11288, 13, 1, 4, 2, 15, 12, 8, 15, 6, 14, 5, 15},
{11007, 13, 1, 4, 2, 15, 12, 9, 15, 6, 14, 5, 15},
{10742, 13, 1, 4, 2, 15, 12, 9, 15, 6, 14, 5, 15},
{10492, 13, 1, 6, 2, 15, 12, 10, 15, 6, 14, 5, 15},
{10258, 13, 1, 6, 2, 15, 12, 10, 15, 6, 14, 5, 15},
{10036, 13, 1, 6, 2, 15, 12, 11, 15, 6, 14, 5, 15},
{9827, 13, 1, 6, 2, 14, 12, 11, 15, 6, 14, 5, 15},
{9631, 13, 1, 6, 2, 13, 12, 12, 15, 6, 14, 5, 15},
{9445, 13, 1, 6, 2, 12, 12, 12, 15, 6, 14, 5, 15},
{9269, 13, 1, 6, 2, 12, 12, 13, 15, 6, 14, 5, 15},
{9103, 13, 1, 6, 2, 12, 12, 13, 15, 6, 14, 5, 15},
{8946, 13, 1, 6, 2, 12, 12, 14, 15, 6, 14, 5, 15},
{8797, 12, 1, 7, 2, 12, 12, 13, 15, 6, 14, 5, 15},
{8655, 12, 1, 7, 2, 12, 12, 14, 15, 6, 14, 5, 15},
{8520, 12, 1, 7, 2, 12, 12, 14, 15, 6, 14, 5, 15},
{8392, 12, 1, 7, 2, 12, 12, 15, 15, 6, 14, 5, 15},
{8269, 12, 1, 7, 2, 12, 12, 15, 15, 6, 14, 5, 15},
{8153, 12, 1, 7, 2, 12, 12, 16, 15, 6, 14, 5, 15},
{8041, 12, 1, 7, 2, 13, 12, 16, 15, 6, 14, 5, 15},
{7934, 11, 1, 7, 2, 12, 12, 16, 15, 6, 14, 5, 15},
{7831, 11, 1, 7, 2, 12, 12, 16, 15, 6, 14, 5, 15},
{7733, 10, 1, 7, 3, 13, 12, 16, 15, 6, 14, 5, 15},
{7638, 10, 1, 7, 2, 12, 12, 16, 15, 6, 14, 5, 15},
{7547, 10, 1, 7, 2, 12, 12, 17, 15, 6, 14, 5, 15},
{7459, 10, 1, 7, 2, 12, 12, 17, 15, 6, 14, 5, 15},
{7374, 10, 2, 7, 3, 14, 13, 14, 15, 6, 14, 5, 15},
{7291, 10, 2, 7, 3, 14, 13, 14, 15, 6, 14, 5, 15},
{7212, 10, 2, 7, 3, 14, 13, 14, 15, 6, 14, 5, 15},
{7135, 10, 2, 7, 3, 14, 13, 15, 15, 7, 14, 5, 15},
{7061, 10, 2, 7, 3, 14, 13, 15, 15, 6, 14, 5, 15},
{6988, 10, 1, 7, 3, 12, 14, 20, 15, 6, 14, 5, 15},
{6918, 9, 2, 7, 3, 14, 13, 15, 15, 6, 14, 5, 15},
{6850, 9, 2, 7, 3, 14, 13, 15, 15, 6, 14, 5, 15},
{6784, 9, 2, 7, 2, 13, 13, 15, 15, 6, 14, 5, 15},
{6720, 9, 2, 7, 2, 13, 13, 16, 15, 6, 14, 5, 15},
{6658, 8, 2, 7, 3, 14, 13, 15, 15, 6, 14, 5, 15},
{6597, 8, 2, 7, 2, 13, 13, 15, 15, 6, 14, 5, 15},
{6539, 8, 2, 7, 2, 13, 13, 15, 15, 6, 14, 5, 15},
{6482, 8, 2, 7, 2, 13, 13, 16, 15, 6, 14, 5, 15},
{6427, 7, 2, 7, 3, 14, 13, 15, 15, 6, 14, 5, 15},
{6373, 7, 2, 7, 3, 15, 13, 15, 15, 6, 14, 5, 15},
{6321, 7, 2, 7, 3, 15, 13, 15, 15, 6, 14, 5, 15},
{6270, 7, 2, 7, 3, 15, 13, 16, 15, 6, 14, 5, 15},
{6222, 7, 2, 7, 3, 15, 13, 16, 15, 6, 14, 5, 15},
{6174, 6, 2, 7, 3, 15, 13, 15, 15, 6, 14, 5, 15},
{6128, 6, 2, 7, 3, 15, 13, 15, 15, 6, 14, 5, 15},
{6083, 6, 2, 7, 3, 15, 13, 16, 15, 6, 14, 5, 15},
{6040, 6, 2, 7, 3, 15, 13, 16, 15, 6, 14, 5, 15},
{5997, 6, 2, 7, 3, 15, 13, 16, 15, 6, 14, 5, 15},
}, {
{12605, 13, 1, 4, 2, 15, 12, 13, 15, 12, 12, 5, 14}, /* 60 MHz */
{12245, 13, 1, 4, 2, 15, 12, 13, 15, 12, 12, 5, 14},
{11906, 13, 1, 4, 2, 15, 12, 13, 15, 13, 12, 5, 13},
{11588, 13, 1, 4, 2, 15, 12, 14, 15, 13, 12, 5, 13},
{11288, 13, 1, 5, 2, 15, 12, 15, 15, 13, 12, 5, 13},
{11007, 13, 1, 5, 2, 15, 12, 16, 15, 13, 12, 5, 13},
{10742, 13, 1, 5, 2, 15, 12, 16, 15, 12, 12, 5, 14},
{10492, 13, 1, 6, 2, 15, 12, 17, 15, 12, 12, 5, 14},
{10258, 13, 1, 6, 2, 15, 12, 18, 15, 13, 12, 5, 13},
{10036, 13, 1, 6, 2, 15, 12, 19, 15, 13, 12, 5, 13},
{9827, 13, 1, 6, 2, 14, 12, 20, 15, 13, 12, 5, 13},
{9631, 13, 1, 6, 2, 13, 12, 21, 15, 13, 12, 5, 13},
{9445, 13, 1, 6, 2, 12, 12, 22, 15, 13, 12, 5, 13},
{9269, 13, 1, 6, 2, 12, 12, 22, 15, 12, 12, 5, 14},
{9103, 13, 1, 6, 2, 12, 12, 23, 15, 13, 12, 5, 13},
{8946, 13, 1, 6, 2, 12, 12, 24, 15, 13, 12, 5, 13},
{8797, 12, 1, 7, 2, 12, 12, 24, 15, 13, 12, 5, 13},
{8655, 12, 1, 7, 2, 12, 12, 25, 15, 13, 12, 5, 13},
{8520, 12, 1, 7, 2, 12, 12, 25, 15, 13, 12, 5, 13},
{8392, 12, 1, 7, 2, 12, 12, 26, 15, 13, 12, 5, 13},
{8269, 12, 1, 7, 2, 12, 12, 27, 15, 13, 12, 5, 13},
{8153, 12, 1, 7, 2, 12, 12, 28, 15, 13, 12, 5, 13},
{8041, 12, 1, 7, 2, 13, 12, 29, 15, 13, 12, 5, 13},
{7934, 11, 1, 7, 2, 12, 12, 28, 15, 13, 12, 5, 13},
{7831, 11, 1, 7, 2, 12, 12, 29, 15, 13, 12, 5, 13},
{7733, 10, 1, 7, 3, 13, 12, 28, 15, 13, 12, 5, 13},
{7638, 10, 1, 7, 2, 12, 12, 29, 15, 13, 12, 5, 13},
{7547, 10, 1, 7, 2, 12, 12, 29, 15, 13, 12, 5, 13},
{7459, 10, 1, 7, 2, 12, 12, 30, 15, 13, 12, 5, 13},
{7374, 10, 2, 7, 3, 14, 13, 24, 15, 13, 12, 5, 13},
{7291, 10, 2, 7, 3, 14, 13, 25, 15, 13, 12, 5, 13},
{7212, 10, 2, 7, 3, 14, 13, 25, 15, 13, 12, 5, 13},
{7135, 10, 2, 7, 3, 14, 13, 26, 15, 13, 12, 5, 13},
{7061, 10, 2, 7, 3, 14, 13, 26, 15, 13, 12, 5, 13},
{6988, 10, 1, 7, 3, 12, 14, 35, 15, 13, 12, 5, 13},
{6918, 9, 1, 7, 3, 12, 14, 33, 15, 13, 12, 5, 13},
{6850, 9, 1, 7, 3, 12, 14, 34, 15, 13, 12, 5, 13},
{6784, 9, 1, 7, 2, 11, 14, 35, 15, 13, 12, 5, 13},
{6720, 9, 1, 7, 2, 11, 14, 35, 15, 13, 12, 5, 13},
{6658, 8, 2, 7, 3, 15, 13, 26, 15, 13, 12, 5, 13},
{6597, 8, 2, 7, 2, 15, 13, 27, 15, 13, 12, 5, 13},
{6539, 8, 2, 7, 2, 15, 13, 27, 15, 13, 12, 5, 13},
{6482, 8, 2, 7, 2, 15, 13, 28, 15, 13, 12, 5, 13},
{6427, 7, 2, 7, 3, 14, 13, 27, 15, 13, 12, 5, 13},
{6373, 7, 2, 7, 3, 15, 13, 27, 15, 13, 12, 5, 13},
{6321, 7, 2, 7, 3, 15, 13, 27, 15, 13, 12, 5, 13},
{6270, 7, 2, 7, 3, 15, 13, 28, 15, 13, 12, 5, 13},
{6222, 7, 2, 7, 3, 15, 13, 28, 15, 13, 12, 5, 13},
{6174, 6, 2, 7, 3, 15, 13, 27, 15, 13, 12, 5, 13},
{6128, 6, 2, 7, 3, 15, 13, 27, 15, 13, 12, 5, 13},
{6083, 6, 2, 7, 3, 15, 13, 28, 15, 13, 12, 5, 13},
{6040, 6, 2, 7, 3, 15, 13, 28, 15, 13, 12, 5, 13},
{5997, 6, 2, 7, 3, 15, 13, 29, 15, 13, 12, 5, 13},
}, {
{12605, 13, 1, 4, 2, 15, 12, 7, 15, 6, 13, 5, 14}, /* 80 MHz */
{12245, 13, 1, 4, 2, 15, 12, 7, 15, 6, 13, 5, 14},
{11906, 13, 1, 4, 2, 15, 12, 7, 15, 6, 13, 5, 14},
{11588, 13, 1, 4, 2, 15, 12, 7, 14, 6, 14, 4, 14},
{11288, 13, 1, 4, 2, 15, 12, 8, 15, 6, 13, 5, 14},
{11007, 13, 1, 4, 2, 15, 12, 8, 14, 6, 13, 5, 14},
{10742, 13, 1, 4, 2, 15, 12, 9, 15, 6, 13, 5, 14},
{10492, 13, 1, 6, 2, 15, 12, 9, 14, 6, 13, 5, 14},
{10258, 13, 1, 6, 2, 15, 12, 10, 15, 6, 13, 5, 14},
{10036, 13, 1, 6, 2, 15, 12, 10, 15, 6, 13, 5, 14},
{9827, 13, 1, 6, 2, 14, 12, 11, 15, 6, 13, 5, 14},
{9631, 13, 1, 6, 2, 13, 12, 11, 15, 6, 13, 5, 14},
{9445, 13, 1, 6, 2, 12, 12, 12, 15, 6, 13, 5, 14},
{9269, 13, 1, 6, 2, 12, 12, 12, 15, 6, 13, 5, 14},
{9103, 13, 1, 6, 2, 12, 12, 13, 15, 6, 13, 5, 14},
{8946, 13, 1, 6, 2, 12, 12, 13, 15, 6, 13, 5, 14},
{8797, 12, 1, 7, 2, 12, 12, 13, 15, 6, 13, 5, 14},
{8655, 12, 1, 7, 2, 12, 12, 14, 15, 6, 13, 5, 14},
{8520, 12, 1, 7, 2, 12, 12, 14, 15, 6, 13, 5, 14},
{8392, 12, 1, 7, 2, 12, 12, 15, 15, 7, 13, 5, 14},
{8269, 12, 1, 7, 2, 12, 12, 15, 15, 6, 13, 5, 14},
{8153, 12, 1, 7, 2, 12, 12, 15, 15, 6, 13, 5, 14},
{8041, 12, 1, 7, 2, 13, 12, 16, 15, 6, 13, 5, 14},
{7934, 11, 1, 7, 2, 12, 12, 15, 15, 6, 13, 5, 14},
{7831, 11, 1, 7, 2, 12, 12, 16, 15, 6, 13, 5, 14},
{7733, 10, 1, 7, 3, 13, 12, 15, 15, 6, 13, 5, 14},
{7638, 10, 1, 7, 2, 12, 12, 16, 15, 6, 13, 5, 14},
{7547, 10, 1, 7, 2, 12, 12, 16, 15, 6, 13, 5, 14},
{7459, 10, 1, 7, 2, 12, 12, 17, 15, 6, 13, 5, 14},
{7374, 10, 2, 7, 3, 14, 13, 13, 15, 6, 13, 5, 14},
{7291, 10, 2, 7, 3, 14, 13, 14, 15, 6, 13, 5, 14},
{7212, 10, 2, 7, 3, 14, 13, 14, 15, 6, 13, 5, 14},
{7135, 10, 2, 7, 3, 14, 13, 14, 15, 6, 13, 5, 14},
{7061, 10, 2, 7, 3, 14, 13, 15, 15, 6, 13, 5, 14},
{6988, 10, 1, 7, 3, 12, 14, 19, 15, 6, 13, 5, 14},
{6918, 9, 2, 7, 3, 14, 13, 14, 15, 6, 13, 5, 14},
{6850, 9, 2, 7, 3, 14, 13, 15, 15, 6, 13, 5, 14},
{6784, 9, 2, 7, 2, 13, 13, 15, 15, 6, 13, 5, 14},
{6720, 9, 2, 7, 2, 13, 13, 15, 15, 6, 13, 5, 14},
{6658, 8, 2, 7, 3, 14, 13, 15, 15, 6, 13, 5, 14},
{6597, 8, 2, 7, 2, 13, 13, 15, 15, 6, 13, 5, 14},
{6539, 8, 2, 7, 2, 13, 13, 15, 15, 6, 13, 5, 14},
{6482, 8, 2, 7, 2, 13, 13, 15, 15, 6, 13, 5, 14},
{6427, 7, 2, 7, 3, 14, 13, 15, 15, 6, 13, 5, 14},
{6373, 7, 2, 7, 3, 15, 13, 15, 15, 6, 13, 5, 14},
{6321, 7, 2, 7, 3, 15, 13, 15, 15, 6, 13, 5, 14},
{6270, 7, 2, 7, 3, 15, 13, 15, 15, 6, 13, 5, 14},
{6222, 7, 2, 7, 3, 15, 13, 16, 15, 6, 13, 5, 14},
{6174, 6, 2, 7, 3, 15, 13, 15, 15, 6, 13, 5, 14},
{6128, 6, 2, 7, 3, 15, 13, 15, 15, 6, 13, 5, 14},
{6083, 6, 2, 7, 3, 15, 13, 15, 15, 6, 13, 5, 14},
{6040, 6, 2, 7, 3, 15, 13, 16, 15, 6, 13, 5, 14},
{5997, 6, 2, 7, 3, 15, 13, 16, 15, 6, 13, 5, 14},
}};
static struct SynthLUT SynthLUT_TDD[LUT_FTDD_ENT][SYNTH_LUT_SIZE] = {
{
{12605, 13, 1, 4, 2, 15, 12, 27, 12, 15, 12, 4, 13}, /* 40 MHz */
{12245, 13, 1, 4, 2, 15, 12, 27, 12, 15, 12, 4, 13},
{11906, 13, 1, 4, 2, 15, 12, 26, 11, 15, 12, 4, 13},
{11588, 13, 1, 4, 2, 15, 12, 28, 12, 15, 12, 4, 13},
{11288, 13, 1, 4, 2, 15, 12, 30, 12, 15, 12, 4, 13},
{11007, 13, 1, 4, 2, 15, 12, 32, 12, 15, 12, 4, 13},
{10742, 13, 1, 4, 2, 15, 12, 33, 12, 15, 12, 4, 13},
{10492, 13, 1, 6, 2, 15, 12, 35, 12, 15, 12, 4, 13},
{10258, 13, 1, 6, 2, 15, 12, 37, 12, 15, 12, 4, 13},
{10036, 13, 1, 6, 2, 15, 12, 38, 12, 15, 12, 4, 13},
{9827, 13, 1, 6, 2, 14, 12, 40, 12, 15, 12, 4, 13},
{9631, 13, 1, 6, 2, 13, 12, 42, 12, 15, 12, 4, 13},
{9445, 13, 1, 6, 2, 12, 12, 44, 12, 15, 12, 4, 13},
{9269, 13, 1, 6, 2, 12, 12, 45, 12, 15, 12, 4, 13},
{9103, 13, 1, 6, 2, 12, 12, 47, 12, 15, 12, 4, 13},
{8946, 13, 1, 6, 2, 12, 12, 49, 12, 15, 12, 4, 13},
{8797, 12, 1, 7, 2, 12, 12, 48, 12, 15, 12, 4, 13},
{8655, 12, 1, 7, 2, 12, 12, 50, 12, 15, 12, 4, 13},
{8520, 12, 1, 7, 2, 12, 12, 51, 12, 15, 12, 4, 13},
{8392, 12, 1, 7, 2, 12, 12, 53, 12, 15, 12, 4, 13},
{8269, 12, 1, 7, 2, 12, 12, 55, 12, 15, 12, 4, 13},
{8153, 12, 1, 7, 2, 12, 12, 56, 12, 15, 12, 4, 13},
{8041, 12, 1, 7, 2, 13, 12, 58, 12, 15, 12, 4, 13},
{7934, 11, 1, 7, 2, 12, 12, 57, 12, 15, 12, 4, 13},
{7831, 11, 1, 7, 2, 12, 12, 58, 12, 15, 12, 4, 13},
{7733, 10, 1, 7, 3, 13, 12, 56, 12, 15, 12, 4, 13},
{7638, 10, 1, 7, 2, 12, 12, 58, 12, 15, 12, 4, 13},
{7547, 10, 1, 7, 2, 12, 12, 59, 12, 15, 12, 4, 13},
{7459, 10, 1, 7, 2, 12, 12, 61, 12, 15, 12, 4, 13},
{7374, 10, 2, 7, 3, 14, 13, 49, 12, 15, 12, 4, 13},
{7291, 10, 2, 7, 3, 14, 13, 50, 12, 15, 12, 4, 13},
{7212, 10, 2, 7, 3, 14, 13, 51, 12, 15, 12, 4, 13},
{7135, 10, 2, 7, 3, 14, 13, 52, 12, 15, 12, 4, 13},
{7061, 10, 2, 7, 3, 14, 13, 53, 12, 15, 12, 4, 13},
{6988, 10, 1, 7, 3, 12, 14, 63, 11, 14, 12, 3, 13},
{6918, 9, 2, 7, 3, 14, 13, 52, 12, 15, 12, 4, 13},
{6850, 9, 2, 7, 3, 14, 13, 53, 12, 15, 12, 4, 13},
{6784, 9, 2, 7, 2, 13, 13, 54, 12, 15, 12, 4, 13},
{6720, 9, 2, 7, 2, 13, 13, 56, 12, 15, 12, 4, 13},
{6658, 8, 2, 7, 3, 14, 13, 53, 12, 15, 12, 4, 13},
{6597, 8, 2, 7, 2, 13, 13, 54, 12, 15, 12, 4, 13},
{6539, 8, 2, 7, 2, 13, 13, 55, 12, 15, 12, 4, 13},
{6482, 8, 2, 7, 2, 13, 13, 56, 12, 15, 12, 4, 13},
{6427, 7, 2, 7, 3, 14, 13, 54, 12, 15, 12, 4, 13},
{6373, 7, 2, 7, 3, 15, 13, 54, 12, 15, 12, 4, 13},
{6321, 7, 2, 7, 3, 15, 13, 55, 12, 15, 12, 4, 13},
{6270, 7, 2, 7, 3, 15, 13, 56, 12, 15, 12, 4, 13},
{6222, 7, 2, 7, 3, 15, 13, 57, 12, 15, 12, 4, 13},
{6174, 6, 2, 7, 3, 15, 13, 54, 12, 15, 12, 4, 13},
{6128, 6, 2, 7, 3, 15, 13, 55, 12, 15, 12, 4, 13},
{6083, 6, 2, 7, 3, 15, 13, 56, 12, 15, 12, 4, 13},
{6040, 6, 2, 7, 3, 15, 13, 57, 12, 15, 12, 4, 13},
{5997, 6, 2, 7, 3, 15, 13, 58, 12, 15, 12, 4, 13},
}, {
{12605, 13, 1, 4, 2, 15, 12, 26, 11, 15, 11, 4, 13}, /* 60 MHz */
{12245, 13, 1, 4, 2, 15, 12, 26, 11, 15, 11, 4, 13},
{11906, 13, 1, 4, 2, 15, 12, 26, 12, 15, 11, 4, 12},
{11588, 13, 1, 4, 2, 15, 12, 30, 12, 15, 11, 4, 12},
{11288, 13, 1, 4, 2, 15, 12, 32, 12, 15, 10, 4, 12},
{11007, 13, 1, 4, 2, 15, 12, 31, 12, 15, 11, 4, 12},
{10742, 13, 1, 4, 2, 15, 12, 33, 12, 15, 10, 4, 12},
{10492, 13, 1, 6, 2, 15, 12, 37, 12, 15, 10, 4, 12},
{10258, 13, 1, 6, 2, 15, 12, 38, 12, 15, 11, 4, 13},
{10036, 13, 1, 6, 2, 15, 12, 38, 12, 15, 10, 4, 12},
{9827, 13, 1, 6, 2, 14, 12, 42, 12, 15, 11, 4, 12},
{9631, 13, 1, 6, 2, 13, 12, 41, 12, 15, 11, 4, 12},
{9445, 13, 1, 6, 2, 12, 12, 45, 12, 15, 11, 4, 12},
{9269, 13, 1, 6, 2, 12, 12, 47, 12, 15, 11, 4, 12},
{9103, 13, 1, 6, 2, 12, 12, 46, 12, 15, 11, 4, 12},
{8946, 13, 1, 6, 2, 12, 12, 48, 12, 15, 10, 4, 12},
{8797, 12, 1, 7, 2, 12, 12, 49, 12, 15, 11, 4, 13},
{8655, 12, 1, 7, 2, 12, 12, 51, 12, 15, 11, 4, 12},
{8520, 12, 1, 7, 2, 12, 12, 50, 12, 15, 11, 4, 12},
{8392, 12, 1, 7, 2, 12, 12, 52, 12, 15, 10, 4, 12},
{8269, 12, 1, 7, 2, 12, 12, 56, 12, 15, 10, 4, 12},
{8153, 12, 1, 7, 2, 12, 12, 55, 12, 15, 11, 4, 12},
{8041, 12, 1, 7, 2, 13, 12, 57, 12, 15, 10, 4, 12},
{7934, 11, 1, 7, 2, 12, 12, 55, 12, 15, 11, 4, 12},
{7831, 11, 1, 7, 2, 12, 12, 57, 12, 15, 10, 4, 12},
{7733, 10, 1, 7, 3, 13, 12, 55, 12, 15, 11, 4, 12},
{7638, 10, 1, 7, 2, 12, 12, 59, 12, 15, 10, 4, 12},
{7547, 10, 1, 7, 2, 12, 12, 60, 12, 15, 11, 4, 12},
{7459, 10, 1, 7, 2, 12, 12, 48, 12, 15, 11, 4, 12},
{7374, 10, 2, 7, 3, 14, 13, 47, 12, 15, 11, 4, 13},
{7291, 10, 2, 7, 3, 14, 13, 49, 12, 15, 10, 4, 12},
{7212, 10, 2, 7, 3, 14, 13, 50, 12, 15, 10, 4, 12},
{7135, 10, 2, 7, 3, 14, 13, 52, 12, 15, 11, 4, 13},
{7061, 10, 2, 7, 3, 14, 13, 52, 12, 15, 11, 4, 12},
{6988, 10, 1, 7, 3, 12, 14, 63, 11, 15, 11, 4, 13},
{6918, 9, 1, 7, 3, 12, 14, 63, 11, 15, 11, 4, 13},
{6850, 9, 1, 7, 3, 12, 14, 63, 11, 15, 11, 4, 13},
{6784, 9, 1, 7, 2, 11, 14, 63, 11, 15, 11, 4, 13},
{6720, 9, 1, 7, 2, 11, 14, 63, 11, 14, 11, 3, 13},
{6658, 8, 1, 7, 3, 12, 14, 63, 11, 15, 11, 4, 13},
{6597, 8, 1, 7, 2, 11, 14, 63, 11, 14, 11, 3, 13},
{6539, 8, 1, 7, 2, 11, 14, 63, 10, 14, 11, 3, 13},
{6482, 8, 1, 7, 2, 11, 14, 63, 10, 14, 11, 3, 13},
{6427, 7, 2, 7, 3, 14, 13, 54, 12, 15, 10, 4, 12},
{6373, 7, 2, 7, 3, 15, 13, 53, 12, 15, 11, 4, 12},
{6321, 7, 2, 7, 3, 15, 13, 54, 12, 15, 11, 4, 12},
{6270, 7, 2, 7, 3, 15, 13, 55, 12, 15, 11, 4, 12},
{6222, 7, 2, 7, 3, 15, 13, 56, 12, 15, 11, 4, 12},
{6174, 6, 2, 7, 3, 15, 13, 53, 12, 15, 11, 4, 12},
{6128, 6, 2, 7, 3, 15, 13, 55, 12, 15, 11, 4, 12},
{6083, 6, 2, 7, 3, 15, 13, 55, 12, 15, 10, 4, 12},
{6040, 6, 2, 7, 3, 15, 13, 56, 12, 15, 10, 4, 12},
{5997, 6, 2, 7, 3, 15, 13, 57, 12, 15, 10, 4, 12},
}, {
{12605, 13, 1, 4, 2, 15, 12, 21, 12, 15, 11, 4, 13}, /* 80 MHz */
{12245, 13, 1, 4, 2, 15, 12, 21, 12, 15, 11, 4, 13},
{11906, 13, 1, 4, 2, 15, 12, 20, 11, 15, 11, 4, 13},
{11588, 13, 1, 4, 2, 15, 12, 22, 12, 15, 11, 4, 12},
{11288, 13, 1, 5, 2, 15, 12, 23, 12, 15, 11, 4, 13},
{11007, 13, 1, 5, 2, 15, 12, 25, 12, 15, 10, 4, 12},
{10742, 13, 1, 5, 2, 15, 12, 26, 12, 15, 11, 4, 13},
{10492, 13, 1, 6, 2, 15, 12, 27, 11, 15, 11, 4, 13},
{10258, 13, 1, 6, 2, 15, 12, 29, 12, 15, 10, 4, 12},
{10036, 13, 1, 6, 2, 15, 12, 30, 12, 15, 11, 4, 12},
{9827, 13, 1, 6, 2, 14, 12, 31, 12, 15, 11, 4, 13},
{9631, 13, 1, 6, 2, 13, 12, 33, 12, 15, 10, 4, 12},
{9445, 13, 1, 6, 2, 12, 12, 34, 12, 15, 11, 4, 12},
{9269, 13, 1, 6, 2, 12, 12, 35, 12, 15, 11, 4, 13},
{9103, 13, 1, 6, 2, 12, 12, 37, 12, 15, 10, 4, 12},
{8946, 13, 1, 6, 2, 12, 12, 38, 12, 15, 11, 4, 12},
{8797, 12, 1, 7, 2, 12, 12, 37, 12, 15, 11, 4, 13},
{8655, 12, 1, 7, 2, 12, 12, 39, 12, 15, 11, 4, 12},
{8520, 12, 1, 7, 2, 12, 12, 40, 12, 15, 11, 4, 12},
{8392, 12, 1, 7, 2, 12, 12, 41, 12, 15, 11, 4, 13},
{8269, 12, 1, 7, 2, 12, 12, 43, 12, 15, 10, 4, 12},
{8153, 12, 1, 7, 2, 12, 12, 44, 12, 15, 11, 4, 12},
{8041, 12, 1, 7, 2, 13, 12, 45, 12, 15, 11, 4, 12},
{7934, 11, 1, 7, 2, 12, 12, 44, 12, 15, 11, 4, 12},
{7831, 11, 1, 7, 2, 12, 12, 45, 12, 15, 11, 4, 13},
{7733, 10, 1, 7, 3, 13, 12, 44, 12, 15, 11, 4, 12},
{7638, 10, 1, 7, 2, 12, 12, 45, 12, 15, 11, 4, 12},
{7547, 10, 1, 7, 2, 12, 12, 46, 12, 15, 11, 4, 12},
{7459, 10, 1, 7, 2, 12, 12, 47, 12, 15, 11, 4, 13},
{7374, 10, 2, 7, 3, 14, 13, 38, 12, 15, 11, 4, 12},
{7291, 10, 2, 7, 3, 14, 13, 39, 12, 15, 10, 4, 12},
{7212, 10, 2, 7, 3, 14, 13, 40, 12, 15, 10, 4, 12},
{7135, 10, 2, 7, 3, 14, 13, 41, 12, 15, 10, 4, 12},
{7061, 10, 2, 7, 3, 14, 13, 41, 12, 15, 11, 4, 13},
{6988, 10, 1, 7, 3, 12, 14, 54, 12, 15, 11, 4, 12},
{6918, 9, 2, 7, 3, 14, 13, 41, 12, 15, 10, 4, 12},
{6850, 9, 2, 7, 3, 14, 13, 42, 12, 15, 10, 4, 12},
{6784, 9, 2, 7, 2, 13, 13, 42, 12, 15, 11, 4, 13},
{6720, 9, 2, 7, 2, 13, 13, 43, 12, 15, 11, 4, 13},
{6658, 8, 2, 7, 3, 14, 13, 41, 12, 15, 11, 4, 13},
{6597, 8, 2, 7, 2, 13, 13, 42, 12, 15, 11, 4, 12},
{6539, 8, 2, 7, 2, 13, 13, 43, 12, 15, 11, 4, 12},
{6482, 8, 2, 7, 2, 13, 13, 44, 12, 15, 11, 4, 12},
{6427, 7, 2, 7, 3, 14, 13, 42, 12, 15, 10, 4, 12},
{6373, 7, 2, 7, 3, 15, 13, 42, 12, 15, 11, 4, 13},
{6321, 7, 2, 7, 3, 15, 13, 43, 12, 15, 11, 4, 12},
{6270, 7, 2, 7, 3, 15, 13, 44, 12, 15, 11, 4, 12},
{6222, 7, 2, 7, 3, 15, 13, 45, 12, 15, 10, 4, 12},
{6174, 6, 2, 7, 3, 15, 13, 42, 12, 15, 11, 4, 13},
{6128, 6, 2, 7, 3, 15, 13, 43, 12, 15, 11, 4, 12},
{6083, 6, 2, 7, 3, 15, 13, 44, 12, 15, 10, 4, 12},
{6040, 6, 2, 7, 3, 15, 13, 44, 12, 15, 11, 4, 13},
{5997, 6, 2, 7, 3, 15, 13, 45, 12, 15, 11, 4, 12},
}};
/* Rx Gain Tables */
#define SIZE_FULL_TABLE 77
static const u8 full_gain_table[RXGAIN_TBLS_END][SIZE_FULL_TABLE][3] =
{{ /* 800 MHz */
{0x00, 0x00, 0x20}, {0x00, 0x00, 0x00}, {0x00, 0x00, 0x00},
{0x00, 0x01, 0x00}, {0x00, 0x02, 0x00}, {0x00, 0x03, 0x00},
{0x00, 0x04, 0x00}, {0x00, 0x05, 0x00}, {0x01, 0x03, 0x20},
{0x01, 0x04, 0x00}, {0x01, 0x05, 0x00}, {0x01, 0x06, 0x00},
{0x01, 0x07, 0x00}, {0x01, 0x08, 0x00}, {0x01, 0x09, 0x00},
{0x01, 0x0A, 0x00}, {0x01, 0x0B, 0x00}, {0x01, 0x0C, 0x00},
{0x01, 0x0D, 0x00}, {0x01, 0x0E, 0x00}, {0x02, 0x09, 0x20},
{0x02, 0x0A, 0x00}, {0x02, 0x0B, 0x00}, {0x02, 0x0C, 0x00},
{0x02, 0x0D, 0x00}, {0x02, 0x0E, 0x00}, {0x02, 0x0F, 0x00},
{0x02, 0x10, 0x00}, {0x02, 0x2B, 0x20}, {0x02, 0x2C, 0x00},
{0x04, 0x28, 0x20}, {0x04, 0x29, 0x00}, {0x04, 0x2A, 0x00},
{0x04, 0x2B, 0x00}, {0x24, 0x20, 0x20}, {0x24, 0x21, 0x00},
{0x44, 0x20, 0x20}, {0x44, 0x21, 0x00}, {0x44, 0x22, 0x00},
{0x44, 0x23, 0x00}, {0x44, 0x24, 0x00}, {0x44, 0x25, 0x00},
{0x44, 0x26, 0x00}, {0x44, 0x27, 0x00}, {0x44, 0x28, 0x00},
{0x44, 0x29, 0x00}, {0x44, 0x2A, 0x00}, {0x44, 0x2B, 0x00},
{0x44, 0x2C, 0x00}, {0x44, 0x2D, 0x00}, {0x44, 0x2E, 0x00},
{0x44, 0x2F, 0x00}, {0x44, 0x30, 0x00}, {0x44, 0x31, 0x00},
{0x44, 0x32, 0x00}, {0x64, 0x2E, 0x20}, {0x64, 0x2F, 0x00},
{0x64, 0x30, 0x00}, {0x64, 0x31, 0x00}, {0x64, 0x32, 0x00},
{0x64, 0x33, 0x00}, {0x64, 0x34, 0x00}, {0x64, 0x35, 0x00},
{0x64, 0x36, 0x00}, {0x64, 0x37, 0x00}, {0x64, 0x38, 0x00},
{0x65, 0x38, 0x20}, {0x66, 0x38, 0x20}, {0x67, 0x38, 0x20},
{0x68, 0x38, 0x20}, {0x69, 0x38, 0x20}, {0x6A, 0x38, 0x20},
{0x6B, 0x38, 0x20}, {0x6C, 0x38, 0x20}, {0x6D, 0x38, 0x20},
{0x6E, 0x38, 0x20}, {0x6F, 0x38, 0x20}
},{ /* 2300 MHz */
{0x00, 0x00, 0x20}, {0x00, 0x00, 0x00}, {0x00, 0x00, 0x00},
{0x00, 0x01, 0x00}, {0x00, 0x02, 0x00}, {0x00, 0x03, 0x00},
{0x00, 0x04, 0x00}, {0x00, 0x05, 0x00}, {0x01, 0x03, 0x20},
{0x01, 0x04, 0x00}, {0x01, 0x05, 0x00}, {0x01, 0x06, 0x00},
{0x01, 0x07, 0x00}, {0x01, 0x08, 0x00}, {0x01, 0x09, 0x00},
{0x01, 0x0A, 0x00}, {0x01, 0x0B, 0x00}, {0x01, 0x0C, 0x00},
{0x01, 0x0D, 0x00}, {0x01, 0x0E, 0x00}, {0x02, 0x09, 0x20},
{0x02, 0x0A, 0x00}, {0x02, 0x0B, 0x00}, {0x02, 0x0C, 0x00},
{0x02, 0x0D, 0x00}, {0x02, 0x0E, 0x00}, {0x02, 0x0F, 0x00},
{0x02, 0x10, 0x00}, {0x02, 0x2B, 0x20}, {0x02, 0x2C, 0x00},
{0x04, 0x27, 0x20}, {0x04, 0x28, 0x00}, {0x04, 0x29, 0x00},
{0x04, 0x2A, 0x00}, {0x04, 0x2B, 0x00}, {0x24, 0x21, 0x20},
{0x24, 0x22, 0x00}, {0x44, 0x20, 0x20}, {0x44, 0x21, 0x00},
{0x44, 0x22, 0x00}, {0x44, 0x23, 0x00}, {0x44, 0x24, 0x00},
{0x44, 0x25, 0x00}, {0x44, 0x26, 0x00}, {0x44, 0x27, 0x00},
{0x44, 0x28, 0x00}, {0x44, 0x29, 0x00}, {0x44, 0x2A, 0x00},
{0x44, 0x2B, 0x00}, {0x44, 0x2C, 0x00}, {0x44, 0x2D, 0x00},
{0x44, 0x2E, 0x00}, {0x44, 0x2F, 0x00}, {0x44, 0x30, 0x00},
{0x44, 0x31, 0x00}, {0x64, 0x2E, 0x20}, {0x64, 0x2F, 0x00},
{0x64, 0x30, 0x00}, {0x64, 0x31, 0x00}, {0x64, 0x32, 0x00},
{0x64, 0x33, 0x00}, {0x64, 0x34, 0x00}, {0x64, 0x35, 0x00},
{0x64, 0x36, 0x00}, {0x64, 0x37, 0x00}, {0x64, 0x38, 0x00},
{0x65, 0x38, 0x20}, {0x66, 0x38, 0x20}, {0x67, 0x38, 0x20},
{0x68, 0x38, 0x20}, {0x69, 0x38, 0x20}, {0x6A, 0x38, 0x20},
{0x6B, 0x38, 0x20}, {0x6C, 0x38, 0x20}, {0x6D, 0x38, 0x20},
{0x6E, 0x38, 0x20}, {0x6F, 0x38, 0x20},
},{ /* 5500 MHz */
{0x00, 0x00, 0x20}, {0x00, 0x00, 0x00}, {0x00, 0x00, 0x00},
{0x00, 0x00, 0x00}, {0x00, 0x00, 0x00}, {0x00, 0x01, 0x00},
{0x00, 0x02, 0x00}, {0x00, 0x03, 0x00}, {0x01, 0x01, 0x20},
{0x01, 0x02, 0x00}, {0x01, 0x03, 0x00}, {0x01, 0x04, 0x20},
{0x01, 0x05, 0x00}, {0x01, 0x06, 0x00}, {0x01, 0x07, 0x00},
{0x01, 0x08, 0x00}, {0x01, 0x09, 0x00}, {0x01, 0x0A, 0x00},
{0x01, 0x0B, 0x00}, {0x01, 0x0C, 0x00}, {0x02, 0x08, 0x20},
{0x02, 0x09, 0x00}, {0x02, 0x0A, 0x00}, {0x02, 0x0B, 0x20},
{0x02, 0x0C, 0x00}, {0x02, 0x0D, 0x00}, {0x02, 0x0E, 0x00},
{0x02, 0x0F, 0x00}, {0x02, 0x2A, 0x20}, {0x02, 0x2B, 0x00},
{0x04, 0x27, 0x20}, {0x04, 0x28, 0x00}, {0x04, 0x29, 0x00},
{0x04, 0x2A, 0x00}, {0x04, 0x2B, 0x00}, {0x04, 0x2C, 0x00},
{0x04, 0x2D, 0x00}, {0x24, 0x20, 0x20}, {0x24, 0x21, 0x00},
{0x24, 0x22, 0x00}, {0x44, 0x20, 0x20}, {0x44, 0x21, 0x00},
{0x44, 0x22, 0x00}, {0x44, 0x23, 0x00}, {0x44, 0x24, 0x00},
{0x44, 0x25, 0x00}, {0x44, 0x26, 0x00}, {0x44, 0x27, 0x00},
{0x44, 0x28, 0x00}, {0x44, 0x29, 0x00}, {0x44, 0x2A, 0x00},
{0x44, 0x2B, 0x00}, {0x44, 0x2C, 0x00}, {0x44, 0x2D, 0x00},
{0x44, 0x2E, 0x00}, {0x64, 0x2E, 0x20}, {0x64, 0x2F, 0x00},
{0x64, 0x30, 0x00}, {0x64, 0x31, 0x00}, {0x64, 0x32, 0x00},
{0x64, 0x33, 0x00}, {0x64, 0x34, 0x00}, {0x64, 0x35, 0x00},
{0x64, 0x36, 0x00}, {0x64, 0x37, 0x00}, {0x64, 0x38, 0x00},
{0x65, 0x38, 0x20}, {0x66, 0x38, 0x20}, {0x67, 0x38, 0x20},
{0x68, 0x38, 0x20}, {0x69, 0x38, 0x20}, {0x6A, 0x38, 0x20},
{0x6B, 0x38, 0x20}, {0x6C, 0x38, 0x20}, {0x6D, 0x38, 0x20},
{0x6E, 0x38, 0x20}, {0x6F, 0x38, 0x20}
}};
static const s8 full_gain_table_abs_gain[RXGAIN_TBLS_END][SIZE_FULL_TABLE] =
{{ /* 800 MHz */
-1, -1, -1, 0, 1, 2, 3, 4,
5, 6, 7, 8, 9, 10, 11, 12,
13, 14, 15, 16, 17, 18, 19, 20,
21, 22, 23, 24, 25, 26, 27, 28,
29, 30, 31, 32, 33, 34, 35, 36,
37, 38, 39, 40, 41, 42, 43, 44,
45, 46, 47, 48, 49, 50, 51, 52,
53, 54, 55, 56, 57, 58, 59, 60,
61, 62, 63, 64, 65, 66, 67, 68,
69, 70, 71, 72, 73
}, { /* 2300 MHz */
-3, -3, -3, -2, -1, 0, 1, 2,
3, 4, 5, 6, 7, 8, 9, 10,
11, 12, 13, 14, 15, 16, 17, 18,
19, 20, 21, 22, 23, 24, 25, 26,
27, 28, 29, 30, 31, 32, 33, 34,
35, 36, 37, 38, 39, 40, 41, 42,
43, 44, 45, 46, 47, 48, 49, 50,
51, 52, 53, 54, 55, 56, 57, 58,
59, 60, 61, 62, 63, 64, 65, 66,
67, 68, 69, 70, 71
}, { /* 5500 MHz */
-10, -10, -10, -10, -10, -9, -8, -7,
-6, -5, -4, -3, -2, -1, 0, 1,
2, 3, 4, 5, 6, 7, 8, 9,
10, 11, 12, 13, 14, 15, 16, 17,
18, 19, 20, 21, 22, 23, 24, 25,
26, 27, 28, 29, 30, 31, 32, 33,
34, 35, 36, 37, 38, 39, 40, 41,
42, 43, 44, 45, 46, 47, 48, 49,
50, 51, 52, 53, 54, 55, 56, 57,
58, 59, 60, 61, 62
}};
#define SIZE_SPLIT_TABLE 41
static const u8 split_gain_table[RXGAIN_TBLS_END][SIZE_SPLIT_TABLE][3] =
{{ /* 800 MHz */
{0x00, 0x18, 0x20}, {0x00, 0x18, 0x00}, {0x00, 0x18, 0x00},
{0x00, 0x18, 0x00}, {0x00, 0x18, 0x00}, {0x00, 0x18, 0x00},
{0x00, 0x18, 0x20}, {0x01, 0x18, 0x20}, {0x02, 0x18, 0x20},
{0x04, 0x18, 0x20}, {0x04, 0x38, 0x20}, {0x05, 0x38, 0x20},
{0x06, 0x38, 0x20}, {0x07, 0x38, 0x20}, {0x08, 0x38, 0x20},
{0x09, 0x38, 0x20}, {0x0A, 0x38, 0x20}, {0x0B, 0x38, 0x20},
{0x0C, 0x38, 0x20}, {0x0D, 0x38, 0x20}, {0x0E, 0x38, 0x20},
{0x0F, 0x38, 0x20}, {0x24, 0x38, 0x20}, {0x25, 0x38, 0x20},
{0x44, 0x38, 0x20}, {0x45, 0x38, 0x20}, {0x46, 0x38, 0x20},
{0x47, 0x38, 0x20}, {0x48, 0x38, 0x20}, {0x64, 0x38, 0x20},
{0x65, 0x38, 0x20}, {0x66, 0x38, 0x20}, {0x67, 0x38, 0x20},
{0x68, 0x38, 0x20}, {0x69, 0x38, 0x20}, {0x6A, 0x38, 0x20},
{0x6B, 0x38, 0x20}, {0x6C, 0x38, 0x20}, {0x6D, 0x38, 0x20},
{0x6E, 0x38, 0x20}, {0x6F, 0x38, 0x20},
},{ /* 2300 MHz */
{0x00, 0x18, 0x20}, {0x00, 0x18, 0x00}, {0x00, 0x18, 0x00},
{0x00, 0x18, 0x00}, {0x00, 0x18, 0x00}, {0x00, 0x18, 0x00},
{0x00, 0x18, 0x00}, {0x00, 0x18, 0x20}, {0x01, 0x18, 0x20},
{0x02, 0x18, 0x20}, {0x04, 0x18, 0x20}, {0x04, 0x38, 0x20},
{0x05, 0x38, 0x20}, {0x06, 0x38, 0x20}, {0x07, 0x38, 0x20},
{0x08, 0x38, 0x20}, {0x09, 0x38, 0x20}, {0x0A, 0x38, 0x20},
{0x0B, 0x38, 0x20}, {0x0C, 0x38, 0x20}, {0x0D, 0x38, 0x20},
{0x0E, 0x38, 0x20}, {0x0F, 0x38, 0x20}, {0x25, 0x38, 0x20},
{0x26, 0x38, 0x20}, {0x44, 0x38, 0x20}, {0x45, 0x38, 0x20},
{0x46, 0x38, 0x20}, {0x47, 0x38, 0x20}, {0x64, 0x38, 0x20},
{0x65, 0x38, 0x20}, {0x66, 0x38, 0x20}, {0x67, 0x38, 0x20},
{0x68, 0x38, 0x20}, {0x69, 0x38, 0x20}, {0x6A, 0x38, 0x20},
{0x6B, 0x38, 0x20}, {0x6C, 0x38, 0x20}, {0x6D, 0x38, 0x20},
{0x6E, 0x38, 0x20}, {0x6F, 0x38, 0x20},
},{ /* 5500 MHz */
{0x00, 0x18, 0x20}, {0x00, 0x18, 0x00}, {0x00, 0x18, 0x00},
{0x00, 0x18, 0x00}, {0x00, 0x18, 0x00}, {0x00, 0x18, 0x00},
{0x00, 0x18, 0x00}, {0x00, 0x18, 0x00}, {0x00, 0x18, 0x00},
{0x00, 0x18, 0x00}, {0x01, 0x18, 0x20}, {0x02, 0x18, 0x20},
{0x04, 0x18, 0x20}, {0x04, 0x38, 0x20}, {0x05, 0x38, 0x20},
{0x06, 0x38, 0x20}, {0x07, 0x38, 0x20}, {0x08, 0x38, 0x20},
{0x09, 0x38, 0x20}, {0x0A, 0x38, 0x20}, {0x0B, 0x38, 0x20},
{0x0C, 0x38, 0x20}, {0x0D, 0x38, 0x20}, {0x0E, 0x38, 0x20},
{0x0F, 0x38, 0x20}, {0x62, 0x38, 0x20}, {0x25, 0x38, 0x20},
{0x26, 0x38, 0x20}, {0x44, 0x38, 0x20}, {0x64, 0x38, 0x20},
{0x65, 0x38, 0x20}, {0x66, 0x38, 0x20}, {0x67, 0x38, 0x20},
{0x68, 0x38, 0x20}, {0x69, 0x38, 0x20}, {0x6A, 0x38, 0x20},
{0x6B, 0x38, 0x20}, {0x6C, 0x38, 0x20}, {0x6D, 0x38, 0x20},
{0x6E, 0x38, 0x20}, {0x6F, 0x38, 0x20},
}};
static const u8 split_gain_table_abs_gain[RXGAIN_TBLS_END][SIZE_SPLIT_TABLE] =
{{ /* 800 MHz */
-1, -1, -1, -1, -1, -1, -1, 2,
8, 13, 19, 20, 21, 22, 23, 24,
25, 26, 27, 28, 29, 30, 31, 32,
33, 34, 35, 36, 37, 38, 39, 40,
41, 42, 43, 44, 45, 46, 47, 48,
49
}, { /* 2300 MHz */
-3, -3, -3, -3, -3, -3, -3, -3,
0, 6, 12, 18, 19, 20, 21, 22,
23, 24, 25, 26, 27, 28, 29, 30,
31, 32, 33, 34, 35, 36, 37, 38,
39, 40, 41, 42, 43, 44, 45, 46,
47
}, { /* 5500 MHz */
-10, -10, -10, -10, -10, -10, -10, -10,
-10, -10, -7, -2, 3, 9, 10, 11,
12, 13, 14, 15, 16, 17, 18, 19,
20, 22, 24, 25, 26, 27, 28, 29,
30, 31, 32, 33, 34, 35, 36, 37,
38
}};
struct gain_table_info {
u64 start;
u64 end;
u8 max_index;
u8 split_table;
s8 *abs_gain_tbl;
u8 (*tab)[3];
};
static struct gain_table_info ad9361_adi_gt_info[] = {
{
.start = 0,
.end = 1300000000ULL,
.max_index = SIZE_FULL_TABLE,
.abs_gain_tbl = (s8 *) &full_gain_table_abs_gain[TBL_200_1300_MHZ],
.tab = (u8 (*)[3]) full_gain_table[TBL_200_1300_MHZ],
},{
.start = 1300000000ULL,
.end = 4000000000ULL,
.max_index = SIZE_FULL_TABLE,
.abs_gain_tbl = (s8 *) &full_gain_table_abs_gain[TBL_1300_4000_MHZ],
.tab = (u8 (*)[3]) full_gain_table[TBL_1300_4000_MHZ],
},{
.start = 4000000000ULL,
.end = 6000000000ULL,
.max_index = SIZE_FULL_TABLE,
.abs_gain_tbl = (s8 *) &full_gain_table_abs_gain[TBL_4000_6000_MHZ],
.tab = (u8 (*)[3]) full_gain_table[TBL_4000_6000_MHZ],
},{
.start = 0,
.end = 1300000000ULL,
.max_index = SIZE_SPLIT_TABLE,
.split_table = 1,
.abs_gain_tbl = (s8 *) &split_gain_table_abs_gain[TBL_200_1300_MHZ],
.tab = (u8 (*)[3]) split_gain_table[TBL_200_1300_MHZ],
},{
.start = 1300000000ULL,
.end = 4000000000ULL,
.max_index = SIZE_SPLIT_TABLE,
.split_table = 1,
.abs_gain_tbl = (s8 *) &split_gain_table_abs_gain[TBL_1300_4000_MHZ],
.tab = (u8 (*)[3]) split_gain_table[TBL_1300_4000_MHZ],
},{
.start = 4000000000ULL,
.end = 6000000000ULL,
.max_index = SIZE_SPLIT_TABLE,
.split_table = 1,
.abs_gain_tbl = (s8 *) &split_gain_table_abs_gain[TBL_4000_6000_MHZ],
.tab = (u8 (*)[3]) split_gain_table[TBL_4000_6000_MHZ],
},{ }, /* Don't Remove */
};
/* Mixer GM Sub-table */
static const u8 gm_st_gain[16]= {0x78, 0x74, 0x70, 0x6C, 0x68, 0x64, 0x60,
0x5C, 0x58, 0x54, 0x50, 0x4C, 0x48, 0x30, 0x18, 0x0};
static const u8 gm_st_ctrl[16]= {0x0, 0xD, 0x15, 0x1B, 0x21, 0x25, 0x29,
0x2C, 0x2F, 0x31, 0x33, 0x34, 0x35, 0x3A, 0x3D, 0x3E};
static const s8 lna_table[RXGAIN_TBLS_END][4] = {
{5, 17, 19, 24}, {3, 14, 17, 21}, {-4, 10, 13, 14}};
static const s8 tia_table[] = {-6, 0};
static const s8 mixer_table[RXGAIN_TBLS_END][16] = {
{0, 3, 9, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25},
{0, 3, 9, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26},
{0, 3, 8, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24}};
static const u32 gain_step_calib_reg_val[4][5] = {
{0xC0, 0x2E, 0x10, 0x06, 0x00}, // LO Frequency Range: 600 to 1300 MHz
{0xC0, 0x2C, 0x10, 0x06, 0x00}, // LO Frequency Range: 1300 to 3300 MHz
{0xB8, 0x2C, 0x10, 0x06, 0x00}, // LO Frequency Range: 2700 to 4100 MHz
{0xA0, 0x24, 0x10, 0x06, 0x00}, // LO Frequency Range: 4000 to 6000 MHz
};
#ifdef _DEBUG
struct ad9361_trace {
s64 time;
unsigned reg;
unsigned read;
};
static struct ad9361_trace timestamps[5000];
static int timestamp_cnt = 0;
static bool timestamp_en = 0;
static inline void ad9361_timestamp_en(void)
{
timestamp_en = true;
}
static inline void ad9361_timestamp_dis(void)
{
timestamp_en = false;
}
static inline void ad9361_add_timestamp(struct iio_dev *indio_dev, unsigned reg, unsigned read)
{
if (timestamp_en && (timestamp_cnt < 5000)) {
timestamps[timestamp_cnt].time = iio_get_time_ns(indio_dev);
timestamps[timestamp_cnt].reg = reg;
timestamps[timestamp_cnt].read = read;
timestamp_cnt++;
}
}
static inline void ad9361_print_timestamp(void)
{
int i;
pr_debug("\n--- TRACE START / Points (%d) --- \n", timestamp_cnt);
for (i = 0; i < timestamp_cnt; i++) {
if (i == 0)
pr_debug("[%lld] [%lld] \t%s\t 0x%X\n",
timestamps[i].time,
0LL,
timestamps[i].read ? "REG_RD" : "REG_WR",
timestamps[i].reg);
else
pr_debug("[%lld] [%12lld] \t%s\t 0x%X\n",
timestamps[i].time,
timestamps[i].time - timestamps[i - 1].time,
timestamps[i].read ? "REG_RD" : "REG_WR",
timestamps[i].reg);
}
pr_debug("\n--- TRACE END / Time %lld ns --- \n",
timestamps[timestamp_cnt - 1].time - timestamps[0].time);
timestamp_cnt = 0;
}
#endif
static const char *ad9361_ensm_states[] = {
"sleep", NULL, NULL, NULL, NULL, "alert", "tx", "tx flush",
"rx", "rx_flush", "fdd", "fdd_flush"
};
static int ad9361_spi_readm(struct spi_device *spi, u32 reg,
u8 *rbuf, u32 num)
{
u8 buf[2];
int ret;
u16 cmd;
if (num > MAX_MBYTE_SPI)
return -EINVAL;
cmd = AD_READ | AD_CNT(num) | AD_ADDR(reg);
buf[0] = cmd >> 8;
buf[1] = cmd & 0xFF;
ret = spi_write_then_read(spi, &buf[0], 2, rbuf, num);
if (ret < 0) {
dev_err(&spi->dev, "Read Error %d", ret);
return ret;
}
#ifdef _DEBUG
{
int i;
for (i = 0; i < num; i++)
dev_dbg(&spi->dev, "%s: reg 0x%X val 0x%X\n",
__func__, reg--, rbuf[i]);
}
#endif
return 0;
}
int ad9361_spi_read(struct spi_device *spi, u32 reg)
{
u8 buf;
int ret;
ret = ad9361_spi_readm(spi, reg, &buf, 1);
if (ret < 0)
return ret;
return buf;
}
EXPORT_SYMBOL(ad9361_spi_read);
static int __ad9361_spi_readf(struct spi_device *spi, u32 reg,
u32 mask, u32 offset)
{
u8 buf;
int ret;
if (!mask)
return -EINVAL;
ret = ad9361_spi_readm(spi, reg, &buf, 1);
if (ret < 0)
return ret;
buf &= mask;
buf >>= offset;
return buf;
}
#define ad9361_spi_readf(spi, reg, mask) \
__ad9361_spi_readf(spi, reg, mask, __ffs(mask))
int ad9361_spi_write(struct spi_device *spi,
u32 reg, u32 val)
{
u8 buf[3];
int ret;
u16 cmd;
cmd = AD_WRITE | AD_CNT(1) | AD_ADDR(reg);
buf[0] = cmd >> 8;
buf[1] = cmd & 0xFF;
buf[2] = val;
ret = spi_write_then_read(spi, buf, 3, NULL, 0);
if (ret < 0) {
dev_err(&spi->dev, "Write Error %d", ret);
return ret;
}
#ifdef _DEBUG
dev_dbg(&spi->dev, "%s: reg 0x%X val 0x%X\n", __func__, reg, buf[2]);
#endif
return 0;
}
EXPORT_SYMBOL(ad9361_spi_write);
static int __ad9361_spi_writef(struct spi_device *spi, u32 reg,
u32 mask, u32 offset, u32 val)
{
u8 buf;
int ret;
if (!mask)
return -EINVAL;
ret = ad9361_spi_readm(spi, reg, &buf, 1);
if (ret < 0)
return ret;
buf &= ~mask;
buf |= ((val << offset) & mask);
return ad9361_spi_write(spi, reg, buf);
}
#define ad9361_spi_writef(spi, reg, mask, val) \
__ad9361_spi_writef(spi,reg, mask, __ffs(mask), val)
static int ad9361_spi_writem(struct spi_device *spi,
u32 reg, u8 *tbuf, u32 num)
{
u8 buf[10];
int ret;
u16 cmd;
if (num > MAX_MBYTE_SPI)
return -EINVAL;
cmd = AD_WRITE | AD_CNT(num) | AD_ADDR(reg);
buf[0] = cmd >> 8;
buf[1] = cmd & 0xFF;
memcpy(&buf[2], tbuf, num);
ret = spi_write_then_read(spi, buf, num + 2, NULL, 0);
if (ret < 0) {
dev_err(&spi->dev, "Write Error %d", ret);
return ret;
}
#ifdef _DEBUG
{
int i;
for (i = 0; i < num; i++)
pr_err("%s: reg 0x%X val 0x%X\n", __func__, reg--, tbuf[i]);
}
#endif
return 0;
}
u32 ad9361_validate_rf_bw(struct ad9361_rf_phy *phy, u32 bw)
{
switch(spi_get_device_id(phy->spi)->driver_data) {
case ID_AD9363A:
return clamp_t(u32, bw, 200000UL, 20000000UL);
default:
return clamp_t(u32, bw, 200000UL, 56000000UL);
}
}
int ad9361_validate_rfpll(struct ad9361_rf_phy *phy, bool is_tx, u64 freq)
{
switch(spi_get_device_id(phy->spi)->driver_data) {
case ID_AD9363A:
if (freq > AD9363A_MAX_CARRIER_FREQ_HZ ||
freq < AD9363A_MIN_CARRIER_FREQ_HZ)
return -EINVAL;
break;
default:
if (freq > MAX_CARRIER_FREQ_HZ || freq < (is_tx ?
MIN_TX_CARRIER_FREQ_HZ : MIN_RX_CARRIER_FREQ_HZ))
return -EINVAL;
}
return 0;
}
int ad9361_find_opt(u8 *field, u32 size, u32 *ret_start)
{
int i, cnt = 0, max_cnt = 0, start, max_start = 0;
for(i = 0, start = -1; i < size; i++) {
if (field[i] == 0) {
if (start == -1)
start = i;
cnt++;
} else {
if (cnt > max_cnt) {
max_cnt = cnt;
max_start = start;
}
start = -1;
cnt = 0;
}
}
if (cnt > max_cnt) {
max_cnt = cnt;
max_start = start;
}
*ret_start = max_start;
return max_cnt;
}
EXPORT_SYMBOL(ad9361_find_opt);
static int ad9361_1rx1tx_channel_map(struct ad9361_rf_phy *phy, bool tx, int channel)
{
u32 map;
if (phy->pdata->rx2tx2)
return channel;
if (tx)
map = phy->pdata->rx1tx1_mode_use_tx_num;
else
map = phy->pdata->rx1tx1_mode_use_rx_num;
if (map == 2)
return channel + 1;
return channel;
}
static int ad9361_reset(struct ad9361_rf_phy *phy)
{
if (phy->pdata->reset_gpio) {
gpiod_set_value_cansleep(phy->pdata->reset_gpio, 0);
mdelay(1);
gpiod_set_value_cansleep(phy->pdata->reset_gpio, 1);
mdelay(1);
dev_dbg(&phy->spi->dev, "%s: by GPIO", __func__);
return 0;
}
/* SPI Soft Reset was removed from the register map, since it doesn't
* work reliably. Without a prober HW reset randomness may happen.
* Please specify a RESET GPIO.
*/
ad9361_spi_write(phy->spi, REG_SPI_CONF, SOFT_RESET | _SOFT_RESET);
ad9361_spi_write(phy->spi, REG_SPI_CONF, 0x0);
dev_err(&phy->spi->dev,
"%s: by SPI, this may cause unpredicted behavior!", __func__);
return -ENODEV;
}
static int ad9361_en_dis_tx(struct ad9361_rf_phy *phy, u32 tx_if, u32 enable)
{
if ((tx_if & enable) > 1 && spi_get_device_id(phy->spi)->driver_data ==
ID_AD9364 && enable)
return -EINVAL;
return ad9361_spi_writef(phy->spi, REG_TX_ENABLE_FILTER_CTRL,
TX_CHANNEL_ENABLE(tx_if), enable);
}
static int ad9361_en_dis_rx(struct ad9361_rf_phy *phy, u32 rx_if, u32 enable)
{
if ((rx_if & enable) > 1 && spi_get_device_id(phy->spi)->driver_data ==
ID_AD9364 && enable)
return -EINVAL;
return ad9361_spi_writef(phy->spi, REG_RX_ENABLE_FILTER_CTRL,
RX_CHANNEL_ENABLE(rx_if), enable);
}
static int ad9361_int_loopback_fix_ch_cross(struct ad9361_rf_phy *phy, bool enable)
{
/* Loopback works only TX1->RX1 or RX2->RX2 */
if (!phy->pdata->rx2tx2 && phy->pdata->rx1tx1_mode_use_rx_num !=
phy->pdata->rx1tx1_mode_use_tx_num)
return ad9361_en_dis_tx(phy, TX_1 | TX_2,
enable ? phy->pdata->rx1tx1_mode_use_rx_num :
phy->pdata->rx1tx1_mode_use_tx_num);
return 0;
}
int ad9361_bist_loopback(struct ad9361_rf_phy *phy, unsigned mode)
{
struct ad9361_rf_phy_state *st = phy->state;
u32 sp_hd, reg;
dev_dbg(&phy->spi->dev, "%s: mode %d", __func__, mode);
reg = ad9361_spi_read(phy->spi, REG_OBSERVE_CONFIG);
st->bist_loopback_mode = mode;
switch (mode) {
case 0:
ad9361_hdl_loopback(phy, false);
ad9361_int_loopback_fix_ch_cross(phy, false);
reg &= ~(DATA_PORT_SP_HD_LOOP_TEST_OE |
DATA_PORT_LOOP_TEST_ENABLE);
return ad9361_spi_write(phy->spi, REG_OBSERVE_CONFIG, reg);
case 1:
/* loopback (AD9361 internal) TX->RX */
ad9361_hdl_loopback(phy, false);
ad9361_int_loopback_fix_ch_cross(phy, true);
sp_hd = ad9361_spi_read(phy->spi, REG_PARALLEL_PORT_CONF_3);
if ((sp_hd & SINGLE_PORT_MODE) && (sp_hd & HALF_DUPLEX_MODE))
reg |= DATA_PORT_SP_HD_LOOP_TEST_OE;
else
reg &= ~DATA_PORT_SP_HD_LOOP_TEST_OE;
reg |= DATA_PORT_LOOP_TEST_ENABLE;
return ad9361_spi_write(phy->spi, REG_OBSERVE_CONFIG, reg);
case 2:
/* loopback (FPGA internal) RX->TX */
ad9361_hdl_loopback(phy, true);
ad9361_int_loopback_fix_ch_cross(phy, false);
reg &= ~(DATA_PORT_SP_HD_LOOP_TEST_OE |
DATA_PORT_LOOP_TEST_ENABLE);
return ad9361_spi_write(phy->spi, REG_OBSERVE_CONFIG, reg);
default:
return -EINVAL;
}
}
EXPORT_SYMBOL(ad9361_bist_loopback);
int ad9361_write_bist_reg(struct ad9361_rf_phy *phy, u32 val)
{
if (!phy || !phy->state)
return -EINVAL;
phy->state->bist_config = val;
return ad9361_spi_write(phy->spi, REG_BIST_CONFIG, val);
}
EXPORT_SYMBOL(ad9361_write_bist_reg);
int ad9361_bist_prbs(struct ad9361_rf_phy *phy, enum ad9361_bist_mode mode)
{
u32 reg = 0;
dev_dbg(&phy->spi->dev, "%s: mode %d", __func__, mode);
switch (mode) {
case BIST_DISABLE:
reg = 0;
break;
case BIST_INJ_TX:
reg = BIST_CTRL_POINT(0) | BIST_ENABLE;
break;
case BIST_INJ_RX:
reg = BIST_CTRL_POINT(2) | BIST_ENABLE;
break;
};
return ad9361_write_bist_reg(phy, reg);
}
EXPORT_SYMBOL(ad9361_bist_prbs);
static int ad9361_bist_tone(struct ad9361_rf_phy *phy,
enum ad9361_bist_mode mode, u32 freq_Hz,
u32 level_dB, u32 mask)
{
unsigned long clk = 0;
u32 reg = 0, reg1, reg_mask;
dev_dbg(&phy->spi->dev, "%s: mode %d", __func__, mode);
switch (mode) {
case BIST_DISABLE:
reg = 0;
break;
case BIST_INJ_TX:
clk = clk_get_rate(phy->clks[TX_SAMPL_CLK]);
reg = BIST_CTRL_POINT(0) | BIST_ENABLE;
break;
case BIST_INJ_RX:
clk = clk_get_rate(phy->clks[RX_SAMPL_CLK]);
reg = BIST_CTRL_POINT(2) | BIST_ENABLE;
break;
};
reg |= TONE_PRBS;
reg |= TONE_LEVEL(level_dB / 6);
if (freq_Hz < 4) {
reg |= TONE_FREQ(freq_Hz);
} else {
if (clk)
reg |= TONE_FREQ(DIV_ROUND_CLOSEST(freq_Hz * 32, clk) - 1);
}
reg_mask = BIST_MASK_CHANNEL_1_I_DATA | BIST_MASK_CHANNEL_1_Q_DATA |
BIST_MASK_CHANNEL_2_I_DATA | BIST_MASK_CHANNEL_2_Q_DATA;
reg1 = ((mask << 2) & reg_mask);
ad9361_spi_write(phy->spi, REG_BIST_AND_DATA_PORT_TEST_CONFIG, reg1);
return ad9361_write_bist_reg(phy, reg);
}
static int ad9361_check_cal_done(struct ad9361_rf_phy *phy, u32 reg,
u32 mask, u32 done_state)
{
u32 timeout = 5000; /* RFDC_CAL can take long */
u32 state;
do {
state = ad9361_spi_readf(phy->spi, reg, mask);
if (state == done_state)
return 0;
if (reg == REG_CALIBRATION_CTRL)
usleep_range(800, 1200);
else
usleep_range(80, 120);
} while (timeout--);
dev_err(&phy->spi->dev, "Calibration TIMEOUT (0x%X, 0x%X)", reg, mask);
return -ETIMEDOUT;
}
static int ad9361_run_calibration(struct ad9361_rf_phy *phy, u32 mask)
{
int ret = ad9361_spi_write(phy->spi, REG_CALIBRATION_CTRL, mask);
if (ret < 0)
return ret;
dev_dbg(&phy->spi->dev, "%s: CAL Mask 0x%X", __func__, mask);
return ad9361_check_cal_done(phy, REG_CALIBRATION_CTRL, mask, 0);
}
static int ad9361_gt_tableindex(struct ad9361_rf_phy *phy, u64 freq)
{
int i;
for (i = 0; phy->gt_info[i].tab != NULL; i++) {
if ((phy->pdata->split_gt == phy->gt_info[i].split_table) &&
(phy->gt_info[i].start < freq) &&
(freq <= phy->gt_info[i].end)) {
return i;
}
}
dev_err(&phy->spi->dev,
"%s: Failed to find suitable gain table (%llu)", __func__, freq);
return 0;
}
static int ad9361_gt(struct ad9361_rf_phy *phy)
{
struct ad9361_rf_phy_state *st = phy->state;
if (st->current_table == -1) {
dev_err(&phy->spi->dev, "%s: ERROR", __func__);
return 0;
}
return st->current_table;
}
/* PLL operates between 47 .. 6000 MHz which is > 2^32 */
static unsigned long ad9361_to_clk(u64 freq)
{
return (unsigned long) min(freq >> 1, (u64) ULONG_MAX);
}
static u64 ad9361_from_clk(unsigned long freq)
{
return ((u64)freq << 1);
}
static int ad9361_load_gt(struct ad9361_rf_phy *phy, u64 freq, u32 dest)
{
struct ad9361_rf_phy_state *st = phy->state;
struct spi_device *spi = phy->spi;
u8 (*tab)[3];
u32 band, index_max, i, lna, lpf_tia_mask, set_gain;
dev_dbg(&phy->spi->dev, "%s: frequency %llu", __func__, freq);
band = ad9361_gt_tableindex(phy, freq);
dev_dbg(&phy->spi->dev, "%s: frequency %llu (band %d)",
__func__, freq, band);
/* check if table is present */
if (st->current_table == band)
return 0;
tab = phy->gt_info[band].tab;
index_max = phy->gt_info[band].max_index;
ad9361_spi_writef(spi, REG_AGC_CONFIG_2,
AGC_USE_FULL_GAIN_TABLE, !phy->pdata->split_gt);
ad9361_spi_write(spi, REG_MAX_LMT_FULL_GAIN, index_max - 1); /* Max Full/LMT Gain Table Index */
set_gain = ad9361_spi_readf(spi, REG_RX1_MANUAL_LMT_FULL_GAIN,
RX_FULL_TBL_IDX_MASK);
if (set_gain > (index_max - 1))
ad9361_spi_writef(spi, REG_RX1_MANUAL_LMT_FULL_GAIN,
RX_FULL_TBL_IDX_MASK, index_max - 1); /* Rx1 Full/LMT Gain Index */
set_gain = ad9361_spi_readf(spi, REG_RX2_MANUAL_LMT_FULL_GAIN,
RX_FULL_TBL_IDX_MASK);
if (set_gain > (index_max - 1))
ad9361_spi_write(spi, REG_RX2_MANUAL_LMT_FULL_GAIN,
index_max - 1); /* Rx2 Full/LMT Gain Index */
lna = phy->pdata->elna_ctrl.elna_in_gaintable_all_index_en ?
EXT_LNA_CTRL : 0;
ad9361_spi_write(spi, REG_GAIN_TABLE_CONFIG, START_GAIN_TABLE_CLOCK |
RECEIVER_SELECT(dest)); /* Start Gain Table Clock */
/* TX QUAD Calibration */
if (phy->pdata->split_gt)
lpf_tia_mask = 0x20;
else
lpf_tia_mask = 0x3F;
st->tx_quad_lpf_tia_match = -EINVAL;
for (i = 0; i < index_max; i++) {
ad9361_spi_write(spi, REG_GAIN_TABLE_ADDRESS, i); /* Gain Table Index */
ad9361_spi_write(spi, REG_GAIN_TABLE_WRITE_DATA1, tab[i][0] | lna); /* Ext LNA, Int LNA, & Mixer Gain Word */
ad9361_spi_write(spi, REG_GAIN_TABLE_WRITE_DATA2, tab[i][1]); /* TIA & LPF Word */
ad9361_spi_write(spi, REG_GAIN_TABLE_WRITE_DATA3, tab[i][2]); /* DC Cal bit & Dig Gain Word */
ad9361_spi_write(spi, REG_GAIN_TABLE_CONFIG,
START_GAIN_TABLE_CLOCK |
WRITE_GAIN_TABLE |
RECEIVER_SELECT(dest)); /* Gain Table Index */
ad9361_spi_write(spi, REG_GAIN_TABLE_READ_DATA1, 0); /* Dummy Write to delay 3 ADCCLK/16 cycles */
ad9361_spi_write(spi, REG_GAIN_TABLE_READ_DATA1, 0); /* Dummy Write to delay ~1u */
if ((tab[i][1] & lpf_tia_mask) == 0x20)
st->tx_quad_lpf_tia_match = i;
}
ad9361_spi_write(spi, REG_GAIN_TABLE_CONFIG, START_GAIN_TABLE_CLOCK |
RECEIVER_SELECT(dest)); /* Clear Write Bit */
ad9361_spi_write(spi, REG_GAIN_TABLE_READ_DATA1, 0); /* Dummy Write to delay ~1u */
ad9361_spi_write(spi, REG_GAIN_TABLE_READ_DATA1, 0); /* Dummy Write to delay ~1u */
ad9361_spi_write(spi, REG_GAIN_TABLE_CONFIG, 0); /* Stop Gain Table Clock */
st->current_table = band;
return 0;
}
static int ad9361_setup_ext_lna(struct ad9361_rf_phy *phy,
struct elna_control *ctrl)
{
ad9361_spi_writef(phy->spi, REG_EXTERNAL_LNA_CTRL, EXTERNAL_LNA1_CTRL,
ctrl->elna_1_control_en);
ad9361_spi_writef(phy->spi, REG_EXTERNAL_LNA_CTRL, EXTERNAL_LNA2_CTRL,
ctrl->elna_2_control_en);
ad9361_spi_write(phy->spi, REG_EXT_LNA_HIGH_GAIN,
EXT_LNA_HIGH_GAIN(ctrl->gain_mdB / 500));
return ad9361_spi_write(phy->spi, REG_EXT_LNA_LOW_GAIN,
EXT_LNA_LOW_GAIN(ctrl->bypass_loss_mdB / 500));
}
static int ad9361_clkout_control(struct ad9361_rf_phy *phy,
enum ad9361_clkout mode)
{
if (mode == CLKOUT_DISABLE)
return ad9361_spi_writef(phy->spi, REG_BBPLL, CLKOUT_ENABLE, 0);
return ad9361_spi_writef(phy->spi, REG_BBPLL,
CLKOUT_ENABLE | CLKOUT_SELECT(~0),
((mode - 1) << 1) | 0x1);
}
static int ad9361_load_mixer_gm_subtable(struct ad9361_rf_phy *phy)
{
int i, addr;
dev_dbg(&phy->spi->dev, "%s", __func__);
ad9361_spi_write(phy->spi, REG_GM_SUB_TABLE_CONFIG,
START_GM_SUB_TABLE_CLOCK); /* Start Clock */
for (i = 0, addr = ARRAY_SIZE(gm_st_ctrl); i < ARRAY_SIZE(gm_st_ctrl); i++) {
ad9361_spi_write(phy->spi, REG_GM_SUB_TABLE_ADDRESS, --addr); /* Gain Table Index */
ad9361_spi_write(phy->spi, REG_GM_SUB_TABLE_BIAS_WRITE, 0); /* Bias */
ad9361_spi_write(phy->spi, REG_GM_SUB_TABLE_GAIN_WRITE, gm_st_gain[i]); /* Gain */
ad9361_spi_write(phy->spi, REG_GM_SUB_TABLE_CTRL_WRITE, gm_st_ctrl[i]); /* Control */
ad9361_spi_write(phy->spi, REG_GM_SUB_TABLE_CONFIG,
WRITE_GM_SUB_TABLE | START_GM_SUB_TABLE_CLOCK); /* Write Words */
ad9361_spi_write(phy->spi, REG_GM_SUB_TABLE_GAIN_READ, 0); /* Dummy Delay */
ad9361_spi_write(phy->spi, REG_GM_SUB_TABLE_GAIN_READ, 0); /* Dummy Delay */
}
ad9361_spi_write(phy->spi, REG_GM_SUB_TABLE_CONFIG, START_GM_SUB_TABLE_CLOCK); /* Clear Write */
ad9361_spi_write(phy->spi, REG_GM_SUB_TABLE_GAIN_READ, 0); /* Dummy Delay */
ad9361_spi_write(phy->spi, REG_GM_SUB_TABLE_GAIN_READ, 0); /* Dummy Delay */
ad9361_spi_write(phy->spi, REG_GM_SUB_TABLE_CONFIG, 0); /* Stop Clock */
return 0;
}
int ad9361_set_tx_atten(struct ad9361_rf_phy *phy, u32 atten_mdb,
bool tx1, bool tx2, bool immed)
{
u8 buf[2];
int ret = 0;
dev_dbg(&phy->spi->dev, "%s : attenuation %u mdB tx1=%d tx2=%d",
__func__, atten_mdb, tx1, tx2);
if (atten_mdb > 89750) /* 89.75 dB */
return -EINVAL;
atten_mdb /= 250; /* Scale to 0.25dB / LSB */
buf[0] = atten_mdb >> 8;
buf[1] = atten_mdb & 0xFF;
ad9361_spi_writef(phy->spi, REG_TX2_DIG_ATTEN,
IMMEDIATELY_UPDATE_TPC_ATTEN, 0);
if (tx1)
ret = ad9361_spi_writem(phy->spi, REG_TX1_ATTEN_1, buf, 2);
if (tx2)
ret = ad9361_spi_writem(phy->spi, REG_TX2_ATTEN_1, buf, 2);
if (immed)
ad9361_spi_writef(phy->spi, REG_TX2_DIG_ATTEN,
IMMEDIATELY_UPDATE_TPC_ATTEN, 1);
return ret;
}
EXPORT_SYMBOL(ad9361_set_tx_atten);
int ad9361_get_tx_atten(struct ad9361_rf_phy *phy, u32 tx_num)
{
u8 buf[2];
int ret = 0;
u32 code;
ret = ad9361_spi_readm(phy->spi, (tx_num == 1) ?
REG_TX1_ATTEN_1 : REG_TX2_ATTEN_1, buf, 2);
if (ret < 0)
return ret;
code = (buf[0] << 8) | buf[1];
code *= 250;
return code;
}
EXPORT_SYMBOL(ad9361_get_tx_atten);
int ad9361_tx_mute(struct ad9361_rf_phy *phy, u32 state)
{
struct ad9361_rf_phy_state *st = phy->state;
int ret;
if (state) {
st->tx1_atten_cached = ad9361_get_tx_atten(phy, 1);
st->tx2_atten_cached = ad9361_get_tx_atten(phy, 2);
return ad9361_set_tx_atten(phy, 89750, true, true, true);
} else {
if (st->tx1_atten_cached == st->tx2_atten_cached)
return ad9361_set_tx_atten(phy, st->tx1_atten_cached,
true, true, true);
ret = ad9361_set_tx_atten(phy, st->tx1_atten_cached,
true, false, true);
ret |= ad9361_set_tx_atten(phy, st->tx2_atten_cached,
false, true, true);
return ret;
}
}
EXPORT_SYMBOL(ad9361_tx_mute);
static int ad9361_trx_ext_lo_control(struct ad9361_rf_phy *phy,
bool tx, bool enable)
{
struct ad9361_rf_phy_state *st = phy->state;
u32 val = enable ? ~0 : 0;
int ret;
/* REVIST:
* POWER_DOWN_TRX_SYNTH and MCS_RF_ENABLE somehow conflict
*/
bool mcs_rf_enable = ad9361_spi_readf(phy->spi,
REG_MULTICHIP_SYNC_AND_TX_MON_CTRL,
MCS_RF_ENABLE);
dev_dbg(&phy->spi->dev, "%s : %s state %d", __func__,
tx ? "TX" : "RX", enable);
if (tx) {
ret = ad9361_spi_writef(phy->spi, REG_ENSM_CONFIG_2,
POWER_DOWN_TX_SYNTH, mcs_rf_enable ? 0 : enable);
ret |= ad9361_spi_writef(phy->spi, REG_RFPLL_DIVIDERS,
TX_VCO_DIVIDER(~0), enable ? 7 :
st->cached_tx_rfpll_div);
if (enable)
st->cached_synth_pd[0] |= TX_SYNTH_VCO_ALC_POWER_DOWN |
TX_SYNTH_PTAT_POWER_DOWN |
TX_SYNTH_VCO_POWER_DOWN;
else
st->cached_synth_pd[0] &= ~(TX_SYNTH_VCO_ALC_POWER_DOWN |
TX_SYNTH_PTAT_POWER_DOWN |
TX_SYNTH_VCO_POWER_DOWN);
ret |= ad9361_spi_write(phy->spi, REG_TX_SYNTH_POWER_DOWN_OVERRIDE,
st->cached_synth_pd[0]);
ret |= ad9361_spi_writef(phy->spi, REG_ANALOG_POWER_DOWN_OVERRIDE,
TX_EXT_VCO_BUFFER_POWER_DOWN, !enable);
ret |= ad9361_spi_write(phy->spi, REG_TX_LO_GEN_POWER_MODE,
TX_LO_GEN_POWER_MODE(val));
} else {
ret = ad9361_spi_writef(phy->spi, REG_ENSM_CONFIG_2,
POWER_DOWN_RX_SYNTH, mcs_rf_enable ? 0 : enable);
ret |= ad9361_spi_writef(phy->spi, REG_RFPLL_DIVIDERS,
RX_VCO_DIVIDER(~0), enable ? 7 :
st->cached_rx_rfpll_div);
if (enable)
st->cached_synth_pd[1] |= RX_SYNTH_VCO_ALC_POWER_DOWN |
RX_SYNTH_PTAT_POWER_DOWN |
RX_SYNTH_VCO_POWER_DOWN;
else
st->cached_synth_pd[1] &= ~(TX_SYNTH_VCO_ALC_POWER_DOWN |
RX_SYNTH_PTAT_POWER_DOWN |
RX_SYNTH_VCO_POWER_DOWN);
ret |= ad9361_spi_write(phy->spi, REG_RX_SYNTH_POWER_DOWN_OVERRIDE,
st->cached_synth_pd[1]);
ret |= ad9361_spi_writef(phy->spi, REG_ANALOG_POWER_DOWN_OVERRIDE,
RX_EXT_VCO_BUFFER_POWER_DOWN, !enable);
ret |= ad9361_spi_write(phy->spi, REG_RX_LO_GEN_POWER_MODE,
RX_LO_GEN_POWER_MODE(val));
}
return ret;
}
static int ad9361_synth_lo_powerdown(struct ad9361_rf_phy *phy,
enum synth_pd_ctrl rx,
enum synth_pd_ctrl tx)
{
struct ad9361_rf_phy_state *st = phy->state;
dev_dbg(&phy->spi->dev, "%s : RX(%d) TX(%d)", __func__, rx, tx);
switch (rx) {
case LO_OFF:
st->cached_synth_pd[1] |= RX_LO_POWER_DOWN;
break;
case LO_ON:
st->cached_synth_pd[1] &= ~RX_LO_POWER_DOWN;
break;
case LO_DONTCARE:
break;
}
switch (tx) {
case LO_OFF:
st->cached_synth_pd[0] |= TX_LO_POWER_DOWN;
break;
case LO_ON:
st->cached_synth_pd[0] &= ~TX_LO_POWER_DOWN;
break;
case LO_DONTCARE:
break;
}
return ad9361_spi_writem(phy->spi, REG_TX_SYNTH_POWER_DOWN_OVERRIDE,
st->cached_synth_pd, 2);
}
static u32 ad9361_rfvco_tableindex(unsigned long freq)
{
if (freq < 50000000UL)
return LUT_FTDD_40;
if (freq <= 70000000UL)
return LUT_FTDD_60;
return LUT_FTDD_80;
}
static int ad9361_rfpll_vco_init(struct ad9361_rf_phy *phy,
bool tx, u64 vco_freq,
unsigned long ref_clk)
{
struct ad9361_rf_phy_state *st = phy->state;
struct spi_device *spi = phy->spi;
const struct SynthLUT (*tab);
int i = 0;
u32 range, offs = 0;
range = ad9361_rfvco_tableindex(ref_clk);
dev_dbg(&phy->spi->dev, "%s : vco_freq %llu : ref_clk %lu : range %d",
__func__, vco_freq, ref_clk, range);
do_div(vco_freq, 1000000UL); /* vco_freq in MHz */
if ((phy->pdata->fdd && !phy->pdata->fdd_independent_mode)
&& (st->current_tx_lo_freq != st->current_rx_lo_freq)) {
tab = &SynthLUT_FDD[range][0];
if (tx)
st->current_tx_use_tdd_table = false;
else
st->current_rx_use_tdd_table = false;
} else {
tab = &SynthLUT_TDD[range][0];
if (tx)
st->current_tx_use_tdd_table = true;
else
st->current_rx_use_tdd_table = true;
}
if (tx)
offs = REG_TX_VCO_OUTPUT - REG_RX_VCO_OUTPUT;
while (i < SYNTH_LUT_SIZE && tab[i].VCO_MHz > vco_freq)
i++;
dev_dbg(&phy->spi->dev, "%s : freq %d MHz : index %d",
__func__, tab[i].VCO_MHz, i);
ad9361_spi_write(spi, REG_RX_VCO_OUTPUT + offs,
VCO_OUTPUT_LEVEL(tab[i].VCO_Output_Level) |
PORB_VCO_LOGIC);
ad9361_spi_writef(spi, REG_RX_ALC_VARACTOR + offs,
VCO_VARACTOR(~0), tab[i].VCO_Varactor);
ad9361_spi_write(spi, REG_RX_VCO_BIAS_1 + offs,
VCO_BIAS_REF(tab[i].VCO_Bias_Ref) |
VCO_BIAS_TCF(tab[i].VCO_Bias_Tcf));
ad9361_spi_write(spi, REG_RX_FORCE_VCO_TUNE_1 + offs,
VCO_CAL_OFFSET(tab[i].VCO_Cal_Offset));
ad9361_spi_write(spi, REG_RX_VCO_VARACTOR_CTRL_1 + offs,
VCO_VARACTOR_REFERENCE(
tab[i].VCO_Varactor_Reference));
ad9361_spi_write(spi, REG_RX_VCO_CAL_REF + offs, VCO_CAL_REF_TCF(0));
ad9361_spi_write(spi, REG_RX_VCO_VARACTOR_CTRL_0 + offs,
VCO_VARACTOR_OFFSET(0) |
VCO_VARACTOR_REFERENCE_TCF(7));
ad9361_spi_writef(spi, REG_RX_CP_CURRENT + offs, CHARGE_PUMP_CURRENT(~0),
tab[i].Charge_Pump_Current);
ad9361_spi_write(spi, REG_RX_LOOP_FILTER_1 + offs,
LOOP_FILTER_C2(tab[i].LF_C2) |
LOOP_FILTER_C1(tab[i].LF_C1));
ad9361_spi_write(spi, REG_RX_LOOP_FILTER_2 + offs,
LOOP_FILTER_R1(tab[i].LF_R1) |
LOOP_FILTER_C3(tab[i].LF_C3));
ad9361_spi_write(spi, REG_RX_LOOP_FILTER_3 + offs,
LOOP_FILTER_R3(tab[i].LF_R3));
return 0;
}
static int ad9361_get_split_table_gain(struct ad9361_rf_phy *phy, u32 idx_reg,
struct rf_rx_gain *rx_gain)
{
struct spi_device *spi = phy->spi;
u32 val, tbl_addr;
int rc = 0;
rx_gain->fgt_lmt_index = ad9361_spi_readf(spi, idx_reg,
FULL_TABLE_GAIN_INDEX(~0));
tbl_addr = ad9361_spi_read(spi, REG_GAIN_TABLE_ADDRESS);
ad9361_spi_write(spi, REG_GAIN_TABLE_ADDRESS, rx_gain->fgt_lmt_index);
val = ad9361_spi_read(spi, REG_GAIN_TABLE_READ_DATA1);
rx_gain->lna_index = TO_LNA_GAIN(val);
rx_gain->mixer_index = TO_MIXER_GM_GAIN(val);
rx_gain->tia_index = ad9361_spi_readf(spi, REG_GAIN_TABLE_READ_DATA2, TIA_GAIN);
rx_gain->lmt_gain = lna_table[ad9361_gt(phy)][rx_gain->lna_index] +
mixer_table[ad9361_gt(phy)][rx_gain->mixer_index] +
tia_table[rx_gain->tia_index];
ad9361_spi_write(spi, REG_GAIN_TABLE_ADDRESS, tbl_addr);
/* Read LPF Index */
rx_gain->lpf_gain = ad9361_spi_readf(spi, idx_reg + 1, LPF_GAIN_RX(~0));
/* Read Digital Gain */
rx_gain->digital_gain = ad9361_spi_readf(spi, idx_reg + 2,
DIGITAL_GAIN_RX(~0));
rx_gain->gain_db = rx_gain->lmt_gain + rx_gain->lpf_gain +
rx_gain->digital_gain;
return rc;
}
static int ad9361_get_full_table_gain(struct ad9361_rf_phy *phy, u32 idx_reg,
struct rf_rx_gain *rx_gain)
{
struct spi_device *spi = phy->spi;
u32 val;
rx_gain->fgt_lmt_index = val = ad9361_spi_readf(spi, idx_reg,
FULL_TABLE_GAIN_INDEX(~0));
/* Read Digital Gain */
rx_gain->digital_gain = ad9361_spi_readf(spi, idx_reg + 2,
DIGITAL_GAIN_RX(~0));
rx_gain->gain_db = phy->gt_info[ad9361_gt(phy)].abs_gain_tbl[val];
return 0;
}
static int ad9361_get_rx_gain(struct ad9361_rf_phy *phy,
u32 rx_id, struct rf_rx_gain *rx_gain)
{
struct device *dev = &phy->spi->dev;
struct spi_device *spi = phy->spi;
u32 val, idx_reg;
u8 gain_ctl_shift, rx_enable_mask;
u8 fast_atk_shift;
int rc = 0;
if (rx_id == 1) {
gain_ctl_shift = RX1_GAIN_CTRL_SHIFT;
idx_reg = REG_GAIN_RX1;
rx_enable_mask = RX_CHANNEL_ENABLE(RX_1);
fast_atk_shift = RX1_FAST_ATK_SHIFT;
} else if (rx_id == 2) {
gain_ctl_shift = RX2_GAIN_CTRL_SHIFT;
idx_reg = REG_GAIN_RX2;
rx_enable_mask = RX_CHANNEL_ENABLE(RX_2);
fast_atk_shift = RX2_FAST_ATK_SHIFT;
} else {
dev_err(dev, "Unknown Rx path %d\n", rx_id);
rc = -EINVAL;
goto out;
}
val = ad9361_spi_readf(spi, REG_RX_ENABLE_FILTER_CTRL, rx_enable_mask);
if (!val) {
dev_dbg(dev, "Rx%d is not enabled\n", rx_gain->ant);
rc = -EAGAIN;
goto out;
}
val = ad9361_spi_read(spi, REG_AGC_CONFIG_1);
val = (val >> gain_ctl_shift) & RX_GAIN_CTL_MASK;
if (val == RX_GAIN_CTL_AGC_FAST_ATK) {
/* In fast attack mode check whether Fast attack state machine
* has locked gain, if not then we can not read gain.
*/
val = ad9361_spi_read(spi, REG_FAST_ATTACK_STATE);
val = (val >> fast_atk_shift) & FAST_ATK_MASK;
if (val != FAST_ATK_GAIN_LOCKED) {
dev_warn(dev, "Failed to read gain, state m/c at %x\n",
val);
rc = -EAGAIN;
goto out;
}
}
if (phy->pdata->split_gt)
rc = ad9361_get_split_table_gain(phy, idx_reg, rx_gain);
else
rc = ad9361_get_full_table_gain(phy, idx_reg, rx_gain);
out:
return rc;
}
EXPORT_SYMBOL(ad9361_get_rx_gain);
static u8 ad9361_ensm_get_state(struct ad9361_rf_phy *phy)
{
return ad9361_spi_readf(phy->spi, REG_STATE, ENSM_STATE(~0));
}
void ad9361_ensm_force_state(struct ad9361_rf_phy *phy, u8 ensm_state)
{
struct ad9361_rf_phy_state *st = phy->state;
struct spi_device *spi = phy->spi;
struct device *dev = &phy->spi->dev;
u8 dev_ensm_state;
int rc;
u32 val;
dev_ensm_state = ad9361_spi_readf(spi, REG_STATE, ENSM_STATE(~0));
st->prev_ensm_state = dev_ensm_state;
if (dev_ensm_state == ensm_state) {
dev_dbg(dev, "Nothing to do, device is already in %d state\n",
ensm_state);
goto out;
}
dev_dbg(dev, "Device is in %x state, forcing to %x\n", dev_ensm_state,
ensm_state);
val = ad9361_spi_read(spi, REG_ENSM_CONFIG_1);
/* Enable control through SPI writes, and take out from
* Alert
*/
if (val & ENABLE_ENSM_PIN_CTRL) {
val &= ~ENABLE_ENSM_PIN_CTRL;
st->ensm_pin_ctl_en = true;
} else {
st->ensm_pin_ctl_en = false;
}
if (dev_ensm_state)
val &= ~(TO_ALERT);
switch (ensm_state) {
case ENSM_STATE_TX:
case ENSM_STATE_FDD:
val |= FORCE_TX_ON;
break;
case ENSM_STATE_RX:
val |= FORCE_RX_ON;
break;
case ENSM_STATE_ALERT:
val &= ~(FORCE_TX_ON | FORCE_RX_ON);
val |= TO_ALERT | FORCE_ALERT_STATE;
break;
default:
dev_err(dev, "No handling for forcing %d ensm state\n",
ensm_state);
goto out;
}
ad9361_spi_write(spi, REG_ENSM_CONFIG_1, TO_ALERT | FORCE_ALERT_STATE);
rc = ad9361_spi_write(spi, REG_ENSM_CONFIG_1, val);
if (rc)
dev_err(dev, "Failed to restore state\n");
out:
return;
}
EXPORT_SYMBOL(ad9361_ensm_force_state);
void ad9361_ensm_restore_state(struct ad9361_rf_phy *phy, u8 ensm_state)
{
struct ad9361_rf_phy_state *st = phy->state;
struct spi_device *spi = phy->spi;
struct device *dev = &phy->spi->dev;
int rc;
u32 val;
val = ad9361_spi_read(spi, REG_ENSM_CONFIG_1);
/* We are restoring state only, so clear State bits first
* which might have set while forcing a particular state
*/
val &= ~(FORCE_TX_ON | FORCE_RX_ON | FORCE_ALERT_STATE);
val |= TO_ALERT;
switch (ensm_state) {
case ENSM_STATE_TX:
case ENSM_STATE_FDD:
val |= FORCE_TX_ON;
break;
case ENSM_STATE_RX:
val |= FORCE_RX_ON;
break;
case ENSM_STATE_ALERT:
val |= TO_ALERT;
break;
case ENSM_STATE_INVALID:
dev_dbg(dev, "No need to restore, ENSM state wasn't saved\n");
return;
default:
dev_dbg(dev, "Could not restore to %d ENSM state\n",
ensm_state);
return;
}
ad9361_spi_write(spi, REG_ENSM_CONFIG_1, TO_ALERT | FORCE_ALERT_STATE);
rc = ad9361_spi_write(spi, REG_ENSM_CONFIG_1, val);
if (rc) {
dev_err(dev, "Failed to write ENSM_CONFIG_1");
return;
}
if (st->ensm_pin_ctl_en) {
val |= ENABLE_ENSM_PIN_CTRL;
rc = ad9361_spi_write(spi, REG_ENSM_CONFIG_1, val);
if (rc)
dev_err(dev, "Failed to write ENSM_CONFIG_1");
}
}
EXPORT_SYMBOL(ad9361_ensm_restore_state);
void ad9361_ensm_restore_prev_state(struct ad9361_rf_phy *phy)
{
return ad9361_ensm_restore_state(phy, phy->state->prev_ensm_state);
}
EXPORT_SYMBOL(ad9361_ensm_restore_prev_state);
static int find_table_index(struct ad9361_rf_phy *phy, int gain)
{
u32 i, nm1, n;
for (i = 0; i < phy->gt_info[ad9361_gt(phy)].max_index; i++) {
if (phy->gt_info[ad9361_gt(phy)].abs_gain_tbl[i] >= gain) {
nm1 = abs(phy->gt_info[ad9361_gt(phy)].abs_gain_tbl[
(i > 0) ? i - 1 : i] - gain);
n = abs(phy->gt_info[ad9361_gt(phy)].abs_gain_tbl[i]
- gain);
if (nm1 < n)
return (i > 0) ? i - 1 : i;
else
return i;
}
}
return -EINVAL;
}
static int set_split_table_gain(struct ad9361_rf_phy *phy, u32 idx_reg,
struct rf_rx_gain *rx_gain)
{
struct device *dev = &phy->spi->dev;
struct spi_device *spi = phy->spi;
int rc = 0;
if ((rx_gain->fgt_lmt_index > MAX_LMT_INDEX) ||
(rx_gain->lpf_gain > MAX_LPF_GAIN) ||
(rx_gain->digital_gain > MAX_DIG_GAIN)) {
dev_err(dev, "LMT_INDEX missing or greater than max value %d",
MAX_LMT_INDEX);
dev_err(dev, "LPF_GAIN missing or greater than max value %d",
MAX_LPF_GAIN);
dev_err(dev, "DIGITAL_GAIN cannot be more than %d",
MAX_DIG_GAIN);
rc = -EINVAL;
goto out;
}
rc = find_table_index(phy, rx_gain->gain_db);
if (rc < 0) {
dev_err(dev, "Invalid gain %d, supported range [%d - %d]\n",
rx_gain->gain_db, phy->gt_info[ad9361_gt(phy)].
abs_gain_tbl[0],
phy->gt_info[ad9361_gt(phy)].abs_gain_tbl
[phy->gt_info[ad9361_gt(phy)].max_index - 1]);
goto out;
}
rx_gain->fgt_lmt_index = rc;
ad9361_spi_writef(spi, idx_reg, RX_FULL_TBL_IDX_MASK, rx_gain->fgt_lmt_index);
ad9361_spi_writef(spi, idx_reg + 1, RX_LPF_IDX_MASK, rx_gain->lpf_gain);
if (phy->pdata->gain_ctrl.dig_gain_en) {
ad9361_spi_writef(spi, idx_reg + 2, RX_DIGITAL_IDX_MASK, rx_gain->digital_gain);
} else if (rx_gain->digital_gain > 0) {
dev_err(dev, "Digital gain is disabled and cannot be set");
}
out:
return 0;
}
static int set_full_table_gain(struct ad9361_rf_phy *phy, u32 idx_reg,
struct rf_rx_gain *rx_gain)
{
struct spi_device *spi = phy->spi;
struct device *dev = &phy->spi->dev;
int rc = 0;
if (rx_gain->fgt_lmt_index != ~0 || rx_gain->lpf_gain != ~0 ||
rx_gain->digital_gain > 0)
dev_dbg(dev,
"Ignoring lmt/lpf/digital gains in Single Table mode");
rc = find_table_index(phy, rx_gain->gain_db);
if (rc < 0) {
dev_err(dev, "Invalid gain %d, supported range [%d - %d]\n",
rx_gain->gain_db, phy->gt_info[ad9361_gt(phy)].
abs_gain_tbl[0],
phy->gt_info[ad9361_gt(phy)].abs_gain_tbl
[phy->gt_info[ad9361_gt(phy)].max_index - 1]);
goto out;
}
rc = ad9361_spi_writef(spi, idx_reg, RX_FULL_TBL_IDX_MASK, rc);
out:
return rc;
}
static int ad9361_set_rx_gain(struct ad9361_rf_phy *phy,
u32 rx_id, struct rf_rx_gain *rx_gain)
{
struct spi_device *spi = phy->spi;
struct device *dev = &phy->spi->dev;
u32 val, idx_reg;
u8 gain_ctl_shift;
int rc = 0;
if (rx_id == 1) {
gain_ctl_shift = RX1_GAIN_CTRL_SHIFT;
idx_reg = REG_RX1_MANUAL_LMT_FULL_GAIN;
} else if (rx_id == 2) {
gain_ctl_shift = RX2_GAIN_CTRL_SHIFT;
idx_reg = REG_RX2_MANUAL_LMT_FULL_GAIN;
} else {
dev_err(dev, "Unknown Rx path %d\n", rx_id);
rc = -EINVAL;
goto out;
}
val = ad9361_spi_read(spi, REG_AGC_CONFIG_1);
val = (val >> gain_ctl_shift) & RX_GAIN_CTL_MASK;
if (val != RX_GAIN_CTL_MGC) {
dev_dbg(dev, "Rx gain can be set in MGC mode only\n");
rc = -EOPNOTSUPP;
goto out;
}
if (phy->pdata->split_gt)
rc = set_split_table_gain(phy, idx_reg, rx_gain);
else
rc = set_full_table_gain(phy, idx_reg, rx_gain);
if (rc) {
dev_err(dev, "Unable to write gain tbl idx reg: %d\n", idx_reg);
goto out;
}
out:
return rc;
}
EXPORT_SYMBOL(ad9361_set_rx_gain);
static int ad9361_gc_update(struct ad9361_rf_phy *phy)
{
struct ad9361_rf_phy_state *st = phy->state;
struct spi_device *spi = phy->spi;
unsigned long clkrf;
u32 reg, delay_lna, settling_delay, dec_pow_meas_dur;
int ret;
clkrf = clk_get_rate(phy->clks[CLKRF_CLK]);
delay_lna = phy->pdata->elna_ctrl.settling_delay_ns;
/*
* AGC Attack Delay (us)=ceiling((((0.2+Delay_LNA)*ClkRF+14))/(2*ClkRF))+1
* ClkRF in MHz, delay in us
*/
reg = (200 + delay_lna) / 2 + (14000000UL / (clkrf / 500U));
reg = DIV_ROUND_UP(reg, 1000UL) +
phy->pdata->gain_ctrl.agc_attack_delay_extra_margin_us;
reg = clamp_t(u8, reg, 0U, 31U);
ret = ad9361_spi_writef(spi, REG_AGC_ATTACK_DELAY,
AGC_ATTACK_DELAY(~0), reg);
/*
* Peak Overload Wait Time (ClkRF cycles)=ceiling((0.1+Delay_LNA) *clkRF+1)
*/
reg = (delay_lna + 100UL) * (clkrf / 1000UL);
reg = DIV_ROUND_UP(reg, 1000000UL) + 1;
reg = clamp_t(u8, reg, 0U, 31U);
ret |= ad9361_spi_writef(spi, REG_PEAK_WAIT_TIME,
PEAK_OVERLOAD_WAIT_TIME(~0), reg);
/*
* Settling Delay in 0x111. Applies to all gain control modes:
* 0x111[D4:D0]= ceiling(((0.2+Delay_LNA)*clkRF
dodebug = false;+14)/2)
*/
reg = (delay_lna + 200UL) * (clkrf / 2000UL);
reg = DIV_ROUND_UP(reg, 1000000UL) + 7;
reg = settling_delay = clamp_t(u8, reg, 0U, 31U);
ret |= ad9361_spi_writef(spi, REG_FAST_CONFIG_2_SETTLING_DELAY,
SETTLING_DELAY(~0), reg);
/*
* Gain Update Counter [15:0]= round((((time*ClkRF-0x111[D4:D0]*2)-2))/2)
*/
reg = phy->pdata->gain_ctrl.gain_update_interval_us * (clkrf / 1000UL) -
settling_delay * 2000UL - 2000UL;
reg = DIV_ROUND_CLOSEST(reg, 2000UL);
reg = clamp_t(u32, reg, 0U, 131071UL);
if (st->agc_mode[0] == RF_GAIN_FASTATTACK_AGC ||
st->agc_mode[1] == RF_GAIN_FASTATTACK_AGC) {
dec_pow_meas_dur =
phy->pdata->gain_ctrl.f_agc_dec_pow_measuremnt_duration;
} else {
u32 fir_div = DIV_ROUND_CLOSEST(clkrf, clk_get_rate(phy->clks[RX_SAMPL_CLK]));
dec_pow_meas_dur = phy->pdata->gain_ctrl.dec_pow_measuremnt_duration;
if (((reg * 2 / fir_div) / dec_pow_meas_dur) < 2) {
dec_pow_meas_dur = reg / fir_div;
}
}
/* Power Measurement Duration */
ad9361_spi_writef(spi, REG_DEC_POWER_MEASURE_DURATION_0,
DEC_POWER_MEASUREMENT_DURATION(~0),
ilog2(dec_pow_meas_dur / 16));
ret |= ad9361_spi_writef(spi, REG_DIGITAL_SAT_COUNTER,
DOUBLE_GAIN_COUNTER, reg > 65535);
if (reg > 65535)
reg /= 2;
ret |= ad9361_spi_write(spi, REG_GAIN_UPDATE_COUNTER1, reg & 0xFF);
ret |= ad9361_spi_write(spi, REG_GAIN_UPDATE_COUNTER2, reg >> 8);
/*
* Fast AGC State Wait Time - Energy Detect Count
*/
reg = DIV_ROUND_CLOSEST(phy->pdata->gain_ctrl.f_agc_state_wait_time_ns *
(clkrf / 1000UL), 1000000UL);
reg = clamp_t(u32, reg, 0U, 31U);
ret |= ad9361_spi_writef(spi, REG_FAST_ENERGY_DETECT_COUNT,
ENERGY_DETECT_COUNT(~0), reg);
return ret;
}
static int ad9361_set_gain_ctrl_mode(struct ad9361_rf_phy *phy,
struct rf_gain_ctrl *gain_ctrl)
{
struct spi_device *spi = phy->spi;
struct device *dev = &phy->spi->dev;
int rc = 0;
u32 gain_ctl_shift, mode;
u8 val;
rc = ad9361_spi_readm(spi, REG_AGC_CONFIG_1, &val, 1);
if (rc) {
dev_err(dev, "Unable to read AGC config1 register: %x\n",
REG_AGC_CONFIG_1);
goto out;
}
switch (gain_ctrl->mode) {
case RF_GAIN_MGC:
mode = RX_GAIN_CTL_MGC;
break;
case RF_GAIN_FASTATTACK_AGC:
mode = RX_GAIN_CTL_AGC_FAST_ATK;
break;
case RF_GAIN_SLOWATTACK_AGC:
mode = RX_GAIN_CTL_AGC_SLOW_ATK;
break;
case RF_GAIN_HYBRID_AGC:
mode = RX_GAIN_CTL_AGC_SLOW_ATK_HYBD;
break;
default:
rc = -EINVAL;
goto out;
}
if (gain_ctrl->ant == 1) {
gain_ctl_shift = RX1_GAIN_CTRL_SHIFT;
} else if (gain_ctrl->ant == 2) {
gain_ctl_shift = RX2_GAIN_CTRL_SHIFT;
} else {
dev_err(dev, "Unknown Rx path %d\n", gain_ctrl->ant);
rc = -EINVAL;
goto out;
}
rc = ad9361_en_dis_rx(phy, gain_ctrl->ant, RX_DISABLE);
if (rc) {
dev_err(dev, "Unable to disable rx%d\n", gain_ctrl->ant);
goto out;
}
val &= ~(RX_GAIN_CTL_MASK << gain_ctl_shift);
val |= mode << gain_ctl_shift;
if (mode == RX_GAIN_CTL_AGC_SLOW_ATK_HYBD)
val |= SLOW_ATTACK_HYBRID_MODE;
else
val &= ~SLOW_ATTACK_HYBRID_MODE;
rc = ad9361_spi_write(spi, REG_AGC_CONFIG_1, val);
if (rc) {
dev_err(dev, "Unable to write AGC config1 register: %x\n",
REG_AGC_CONFIG_1);
goto out;
}
ad9361_en_dis_rx(phy, gain_ctrl->ant, RX_ENABLE);
rc = ad9361_gc_update(phy);
out:
return rc;
}
EXPORT_SYMBOL(ad9361_set_gain_ctrl_mode);
int ad9361_read_rssi(struct ad9361_rf_phy *phy, struct rf_rssi *rssi)
{
struct spi_device *spi = phy->spi;
u8 reg_val_buf[6];
int rc;
rc = ad9361_spi_readm(spi, REG_PREAMBLE_LSB,
reg_val_buf, ARRAY_SIZE(reg_val_buf));
if (rssi->ant == 1) {
rssi->symbol = RSSI_RESOLUTION *
((reg_val_buf[5] << RSSI_LSB_SHIFT) +
(reg_val_buf[1] & RSSI_LSB_MASK1));
rssi->preamble = RSSI_RESOLUTION *
((reg_val_buf[4] << RSSI_LSB_SHIFT) +
(reg_val_buf[0] & RSSI_LSB_MASK1));
} else if (rssi->ant == 2) {
rssi->symbol = RSSI_RESOLUTION *
((reg_val_buf[3] << RSSI_LSB_SHIFT) +
((reg_val_buf[1] & RSSI_LSB_MASK2) >> 1));
rssi->preamble = RSSI_RESOLUTION *
((reg_val_buf[2] << RSSI_LSB_SHIFT) +
((reg_val_buf[0] & RSSI_LSB_MASK2) >> 1));
} else
rc = -EFAULT;
rssi->multiplier = RSSI_MULTIPLIER;
return rc;
}
EXPORT_SYMBOL(ad9361_read_rssi);
static int ad9361_rx_adc_setup(struct ad9361_rf_phy *phy, unsigned long bbpll_freq,
unsigned long adc_sampl_freq_Hz)
{
struct ad9361_rf_phy_state *st = phy->state;
unsigned long scale_snr_1e3, maxsnr, sqrt_inv_rc_tconst_1e3, tmp_1e3,
scaled_adc_clk_1e6, inv_scaled_adc_clk_1e3, sqrt_term_1e3,
min_sqrt_term_1e3, bb_bw_Hz;
u64 tmp, invrc_tconst_1e6;
u8 data[40];
u32 i;
int ret;
/* Following registers are set implicitly by the RX BB analog filter calibration */
u8 c3_msb = ad9361_spi_read(phy->spi, REG_RX_BBF_C3_MSB);
u8 c3_lsb = ad9361_spi_read(phy->spi, REG_RX_BBF_C3_LSB);
u8 r2346 = ad9361_spi_read(phy->spi, REG_RX_BBF_R2346);
/*
* BBBW = (BBPLL / RxTuneDiv) * ln(2) / (1.4 * 2PI )
* We assume ad9361_rx_bb_analog_filter_calib() is always run prior
*/
tmp = bbpll_freq * 10000ULL;
do_div(tmp, 126906UL * st->rxbbf_div);
bb_bw_Hz = tmp;
dev_dbg(&phy->spi->dev, "%s : BBBW %lu : ADCfreq %lu",
__func__, bb_bw_Hz, adc_sampl_freq_Hz);
dev_dbg(&phy->spi->dev, "c3_msb 0x%X : c3_lsb 0x%X : r2346 0x%X : ",
c3_msb, c3_lsb, r2346);
bb_bw_Hz = clamp(bb_bw_Hz, 200000UL, 28000000UL);
if (adc_sampl_freq_Hz < 80000000)
scale_snr_1e3 = 1000;
else
scale_snr_1e3 = 1585; /* pow(10, scale_snr_dB/10); */
if (bb_bw_Hz >= 18000000) {
invrc_tconst_1e6 = (160975ULL * r2346 *
(160 * c3_msb + 10 * c3_lsb + 140) *
(bb_bw_Hz) * (1000 + (10 * (bb_bw_Hz - 18000000) / 1000000)));
do_div(invrc_tconst_1e6, 1000UL);
} else {
invrc_tconst_1e6 = (160975ULL * r2346 *
(160 * c3_msb + 10 * c3_lsb + 140) *
(bb_bw_Hz));
}
do_div(invrc_tconst_1e6, 1000000000UL);
if (invrc_tconst_1e6 > 0xFFFFFFFF)
dev_err(&phy->spi->dev, "invrc_tconst_1e6 > ULONG_MAX");
sqrt_inv_rc_tconst_1e3 = int_sqrt((u32)invrc_tconst_1e6);
maxsnr = 640/160;
scaled_adc_clk_1e6 = DIV_ROUND_CLOSEST(adc_sampl_freq_Hz, 640);
inv_scaled_adc_clk_1e3 = DIV_ROUND_CLOSEST(640000000,
DIV_ROUND_CLOSEST(adc_sampl_freq_Hz, 1000));
tmp_1e3 = DIV_ROUND_CLOSEST(980000 + 20 * max_t(u32, 1000U,
DIV_ROUND_CLOSEST(inv_scaled_adc_clk_1e3, maxsnr)), 1000);
sqrt_term_1e3 = int_sqrt(scaled_adc_clk_1e6);
min_sqrt_term_1e3 = min_t(u32, 1000U,
int_sqrt(maxsnr * scaled_adc_clk_1e6));
dev_dbg(&phy->spi->dev, "invrc_tconst_1e6 %llu, sqrt_inv_rc_tconst_1e3 %lu\n",
invrc_tconst_1e6, sqrt_inv_rc_tconst_1e3);
dev_dbg(&phy->spi->dev, "scaled_adc_clk_1e6 %lu, inv_scaled_adc_clk_1e3 %lu\n",
scaled_adc_clk_1e6, inv_scaled_adc_clk_1e3);
dev_dbg(&phy->spi->dev, "tmp_1e3 %lu, sqrt_term_1e3 %lu, min_sqrt_term_1e3 %lu\n",
tmp_1e3, sqrt_term_1e3, min_sqrt_term_1e3);
data[0] = 0;
data[1] = 0;
data[2] = 0;
data[3] = 0x24;
data[4] = 0x24;
data[5] = 0;
data[6] = 0;
tmp = -50000000 + 8ULL * scale_snr_1e3 * sqrt_inv_rc_tconst_1e3 *
min_sqrt_term_1e3;
do_div(tmp, 100000000UL);
data[7] = min_t(u64, 124U, tmp);
tmp = (invrc_tconst_1e6 >> 1) + 20 * inv_scaled_adc_clk_1e3 *
data[7] / 80 * 1000ULL;
do_div(tmp, invrc_tconst_1e6);
data[8] = min_t(u64, 255U, tmp);
tmp = (-500000 + 77ULL * sqrt_inv_rc_tconst_1e3 * min_sqrt_term_1e3);
do_div(tmp, 1000000UL);
data[10] = min_t(u64, 127U, tmp);
data[9] = min_t(u32, 127U, ((800 * data[10]) / 1000));
tmp = ((invrc_tconst_1e6 >> 1) + (20 * inv_scaled_adc_clk_1e3 *
data[10] * 1000ULL));
do_div(tmp, invrc_tconst_1e6 * 77);
data[11] = min_t(u64, 255U, tmp);
data[12] = min_t(u32, 127U, (-500000 + 80 * sqrt_inv_rc_tconst_1e3 *
min_sqrt_term_1e3) / 1000000UL);
tmp = -3*(long)(invrc_tconst_1e6 >> 1) + inv_scaled_adc_clk_1e3 *
data[12] * (1000ULL * 20 / 80);
do_div(tmp, invrc_tconst_1e6);
data[13] = min_t(u64, 255, tmp);
data[14] = 21 * (inv_scaled_adc_clk_1e3 / 10000);
data[15] = min_t(u32, 127U, (500 + 1025 * data[7]) / 1000);
data[16] = min_t(u32, 127U, (data[15] * tmp_1e3) / 1000);
data[17] = data[15];
data[18] = min_t(u32, 127U, (500 + 975 * data[10]) / 1000);
data[19] = min_t(u32, 127U, (data[18] * tmp_1e3) / 1000);
data[20] = data[18];
data[21] = min_t(u32, 127U, (500 + 975 * data[12]) / 1000);
data[22] = min_t(u32, 127, (data[21] * tmp_1e3) / 1000);
data[23] = data[21];
data[24] = 0x2E;
data[25] = (128 + min_t(u32, 63000U, DIV_ROUND_CLOSEST(63 *
scaled_adc_clk_1e6, 1000)) / 1000);
data[26] = min_t(u32, 63U,63 * scaled_adc_clk_1e6 / 1000000 *
(920 + 80 * inv_scaled_adc_clk_1e3 / 1000) / 1000);
data[27] = min_t(u32, 63,(32 * sqrt_term_1e3) / 1000);
data[28] = data[25];
data[29] = data[26];
data[30] = data[27];
data[31] = data[25];
data[32] = data[26];
data[33] = min_t(u32, 63U, 63 * sqrt_term_1e3 / 1000);
data[34] = min_t(u32, 127U, 64 * sqrt_term_1e3 / 1000);
data[35] = 0x40;
data[36] = 0x40;
data[37] = 0x2C;
data[38] = 0x00;
data[39] = 0x00;
for (i = 0; i < 40; i++) {
ret = ad9361_spi_write(phy->spi, 0x200 + i, data[i]);
if (ret < 0)
return ret;
}
return 0;
}
static int ad9361_rx_tia_calib(struct ad9361_rf_phy *phy, unsigned long bb_bw_Hz)
{
unsigned long Cbbf, R2346;
u64 CTIA_fF;
/* Following registers are set implicitly by the RX BB analog filter calibration */
u8 reg1EB = ad9361_spi_read(phy->spi, REG_RX_BBF_C3_MSB);
u8 reg1EC = ad9361_spi_read(phy->spi, REG_RX_BBF_C3_LSB);
u8 reg1E6 = ad9361_spi_read(phy->spi, REG_RX_BBF_R2346);
u8 reg1DB, reg1DF, reg1DD, reg1DC, reg1DE, temp;
dev_dbg(&phy->spi->dev, "%s : bb_bw_Hz %lu",
__func__, bb_bw_Hz);
bb_bw_Hz = clamp(bb_bw_Hz, 200000UL, 20000000UL);
Cbbf = (reg1EB * 160) + (reg1EC * 10) + 140; /* fF */
R2346 = 18300 * RX_BBF_R2346(reg1E6);
CTIA_fF = Cbbf * R2346 * 560ULL;
do_div(CTIA_fF, 3500000UL);
if (bb_bw_Hz <= 3000000UL)
reg1DB = 0xE0;
else if (bb_bw_Hz <= 10000000UL)
reg1DB = 0x60;
else
reg1DB = 0x20;
if (CTIA_fF > 2920ULL) {
reg1DC = 0x40;
reg1DE = 0x40;
temp = min(127U, DIV_ROUND_CLOSEST((u32)CTIA_fF - 400, 320U));
reg1DD = temp;
reg1DF = temp;
} else {
temp = DIV_ROUND_CLOSEST((u32)CTIA_fF - 400, 40U) + 0x40;
reg1DC = temp;
reg1DE = temp;
reg1DD = 0;
reg1DF = 0;
}
ad9361_spi_write(phy->spi, REG_RX_TIA_CONFIG, reg1DB);
ad9361_spi_write(phy->spi, REG_TIA1_C_LSB, reg1DC);
ad9361_spi_write(phy->spi, REG_TIA1_C_MSB, reg1DD);
ad9361_spi_write(phy->spi, REG_TIA2_C_LSB, reg1DE);
ad9361_spi_write(phy->spi, REG_TIA2_C_MSB, reg1DF);
return 0;
}
/* BASEBAND RX ANALOG FILTER CALIBRATION */
static int ad9361_rx_bb_analog_filter_calib(struct ad9361_rf_phy *phy,
unsigned long rx_bb_bw,
unsigned long bbpll_freq)
{
struct ad9361_rf_phy_state *st = phy->state;
unsigned long target;
u8 tmp;
int ret;
dev_dbg(&phy->spi->dev, "%s : rx_bb_bw %lu bbpll_freq %lu",
__func__, rx_bb_bw, bbpll_freq);
rx_bb_bw = clamp(rx_bb_bw, 200000UL, 28000000UL);
/* 1.4 * BBBW * 2PI / ln(2) */
target = 126906UL * (rx_bb_bw / 10000UL);
st->rxbbf_div = min_t(unsigned long, 511UL, DIV_ROUND_UP(bbpll_freq, target));
/* Set RX baseband filter divide value */
ad9361_spi_write(phy->spi, REG_RX_BBF_TUNE_DIVIDE, st->rxbbf_div);
ad9361_spi_writef(phy->spi, REG_RX_BBF_TUNE_CONFIG, BIT(0), st->rxbbf_div >> 8);
/* Write the BBBW into registers 0x1FB and 0x1FC */
ad9361_spi_write(phy->spi, REG_RX_BBBW_MHZ, rx_bb_bw / 1000000UL);
tmp = DIV_ROUND_CLOSEST((rx_bb_bw % 1000000UL) * 128, 1000000UL);
ad9361_spi_write(phy->spi, REG_RX_BBBW_KHZ, min_t(u8, 127, tmp));
ad9361_spi_write(phy->spi, REG_RX_MIX_LO_CM, RX_MIX_LO_CM(0x3F)); /* Set Rx Mix LO CM */
ad9361_spi_write(phy->spi, REG_RX_MIX_GM_CONFIG, RX_MIX_GM_PLOAD(3)); /* Set GM common mode */
/* Enable the RX BBF tune circuit by writing 0x1E2=0x02 and 0x1E3=0x02 */
ad9361_spi_write(phy->spi, REG_RX1_TUNE_CTRL, RX1_TUNE_RESAMPLE);
ad9361_spi_write(phy->spi, REG_RX2_TUNE_CTRL, RX2_TUNE_RESAMPLE);
/* Start the RX Baseband Filter calibration in register 0x016[7] */
/* Calibration is complete when register 0x016[7] self clears */
ret = ad9361_run_calibration(phy, RX_BB_TUNE_CAL);
/* Disable the RX baseband filter tune circuit, write 0x1E2=3, 0x1E3=3 */
ad9361_spi_write(phy->spi, REG_RX1_TUNE_CTRL,
RX1_TUNE_RESAMPLE | RX1_PD_TUNE);
ad9361_spi_write(phy->spi, REG_RX2_TUNE_CTRL,
RX2_TUNE_RESAMPLE | RX2_PD_TUNE);
return ret;
}
/* BASEBAND TX ANALOG FILTER CALIBRATION */
static int ad9361_tx_bb_analog_filter_calib(struct ad9361_rf_phy *phy,
unsigned long tx_bb_bw,
unsigned long bbpll_freq)
{
unsigned long target, txbbf_div;
int ret;
dev_dbg(&phy->spi->dev, "%s : tx_bb_bw %lu bbpll_freq %lu",
__func__, tx_bb_bw, bbpll_freq);
tx_bb_bw = clamp(tx_bb_bw, 625000UL, 20000000UL);
/* 1.6 * BBBW * 2PI / ln(2) */
target = 145036 * (tx_bb_bw / 10000UL);
txbbf_div = min_t(unsigned long, 511UL, DIV_ROUND_UP(bbpll_freq, target));
/* Set TX baseband filter divide value */
ad9361_spi_write(phy->spi, REG_TX_BBF_TUNE_DIVIDER, txbbf_div);
ad9361_spi_writef(phy->spi, REG_TX_BBF_TUNE_MODE,
TX_BBF_TUNE_DIVIDER, txbbf_div >> 8);
/* Enable the TX baseband filter tune circuit by setting 0x0CA=0x22. */
ad9361_spi_write(phy->spi, REG_TX_TUNE_CTRL, TUNER_RESAMPLE | TUNE_CTRL(1));
/* Start the TX Baseband Filter calibration in register 0x016[6] */
/* Calibration is complete when register 0x016[] self clears */
ret = ad9361_run_calibration(phy, TX_BB_TUNE_CAL);
/* Disable the TX baseband filter tune circuit by writing 0x0CA=0x26. */
ad9361_spi_write(phy->spi, REG_TX_TUNE_CTRL,
TUNER_RESAMPLE | TUNE_CTRL(1) | PD_TUNE);
return ret;
}
/* BASEBAND TX SECONDARY FILTER */
static int ad9361_tx_bb_second_filter_calib(struct ad9361_rf_phy *phy,
unsigned long tx_bb_bw)
{
u64 cap;
unsigned long corner, res, div;
u32 reg_conf, reg_res;
int ret, i;
dev_dbg(&phy->spi->dev, "%s : tx_bb_bw %lu",
__func__, tx_bb_bw);
tx_bb_bw = clamp(tx_bb_bw, 530000UL, 20000000UL);
/* BBBW * 5PI */
corner = 15708 * (tx_bb_bw / 10000UL);
for (i = 0, res = 1; i < 4; i++) {
div = corner * res;
cap = (500000000ULL) + (div >> 1);
do_div(cap, div);
cap -= 12ULL;
if (cap < 64ULL)
break;
res <<= 1;
}
if (cap > 63ULL)
cap = 63ULL;
if(tx_bb_bw <= 4500000UL )
reg_conf = 0x59;
else if (tx_bb_bw <= 12000000UL)
reg_conf = 0x56;
else
reg_conf = 0x57;
switch (res) {
case 1:
reg_res = 0x0C;
break;
case 2:
reg_res = 0x04;
break;
case 4:
reg_res = 0x03;
break;
case 8:
reg_res = 0x01;
break;
default:
reg_res = 0x01;
}
ret = ad9361_spi_write(phy->spi, REG_CONFIG0, reg_conf);
ret |= ad9361_spi_write(phy->spi, REG_RESISTOR, reg_res);
ret |= ad9361_spi_write(phy->spi, REG_CAPACITOR, (u8)cap);
return ret;
}
/* RF SYNTHESIZER CHARGE PUMP CALIBRATION */
static int ad9361_txrx_synth_cp_calib(struct ad9361_rf_phy *phy,
unsigned long ref_clk_hz, bool tx)
{
u32 offs = tx ? 0x40 : 0;
u32 vco_cal_cnt;
dev_dbg(&phy->spi->dev, "%s : ref_clk_hz %lu : is_tx %d",
__func__, ref_clk_hz, tx);
/* REVIST:*/
ad9361_spi_write(phy->spi, REG_RX_CP_LEVEL_DETECT + offs, 0x17);
ad9361_spi_write(phy->spi, REG_RX_DSM_SETUP_1 + offs, 0x0);
ad9361_spi_write(phy->spi, REG_RX_LO_GEN_POWER_MODE + offs, 0x00);
ad9361_spi_write(phy->spi, REG_RX_VCO_LDO + offs, 0x0B);
ad9361_spi_write(phy->spi, REG_RX_VCO_PD_OVERRIDES + offs, 0x02);
ad9361_spi_write(phy->spi, REG_RX_CP_CURRENT + offs, 0x80);
ad9361_spi_write(phy->spi, REG_RX_CP_CONFIG + offs, CP_OFFSET_OFF);
/* see Table 70 Example Calibration Times for RF VCO Cal */
if (phy->pdata->fdd) {
vco_cal_cnt = VCO_CAL_EN | VCO_CAL_COUNT(3) | FB_CLOCK_ADV(2);
} else {
if (ref_clk_hz > 40000000UL)
vco_cal_cnt = VCO_CAL_EN | VCO_CAL_COUNT(1) |
FB_CLOCK_ADV(2);
else
vco_cal_cnt = VCO_CAL_EN | VCO_CAL_COUNT(0) |
FB_CLOCK_ADV(2);
}
ad9361_spi_write(phy->spi, REG_RX_VCO_CAL + offs, vco_cal_cnt);
/* Enable FDD mode during calibrations */
if (!phy->pdata->fdd) {
ad9361_spi_writef(phy->spi, REG_PARALLEL_PORT_CONF_3,
HALF_DUPLEX_MODE, 0);
}
ad9361_spi_write(phy->spi, REG_ENSM_CONFIG_2, DUAL_SYNTH_MODE);
ad9361_spi_write(phy->spi, REG_ENSM_CONFIG_1,
FORCE_ALERT_STATE |
TO_ALERT);
ad9361_spi_write(phy->spi, REG_ENSM_MODE, FDD_MODE);
ad9361_spi_write(phy->spi, REG_RX_CP_CONFIG + offs,
CP_OFFSET_OFF | CP_CAL_ENABLE);
return ad9361_check_cal_done(phy, REG_RX_CAL_STATUS + offs,
CP_CAL_VALID, 1);
}
/* BASEBAND DC OFFSET CALIBRATION */
static int ad9361_bb_dc_offset_calib(struct ad9361_rf_phy *phy)
{
dev_dbg(&phy->spi->dev, "%s", __func__);
ad9361_spi_write(phy->spi, REG_BB_DC_OFFSET_COUNT, 0x3F);
ad9361_spi_write(phy->spi, REG_BB_DC_OFFSET_SHIFT, BB_DC_M_SHIFT(0xF));
ad9361_spi_write(phy->spi, REG_BB_DC_OFFSET_ATTEN, BB_DC_OFFSET_ATTEN(1));
return ad9361_run_calibration(phy, BBDC_CAL);
}
/* RF DC OFFSET CALIBRATION */
static int ad9361_rf_dc_offset_calib(struct ad9361_rf_phy *phy,
u64 rx_freq)
{
struct spi_device *spi = phy->spi;
dev_dbg(&phy->spi->dev, "%s : rx_freq %llu",
__func__, rx_freq);
ad9361_spi_write(spi, REG_WAIT_COUNT, 0x20);
if(rx_freq <= 4000000000ULL) {
ad9361_spi_write(spi, REG_RF_DC_OFFSET_COUNT,
phy->pdata->rf_dc_offset_count_low);
ad9361_spi_write(spi, REG_RF_DC_OFFSET_CONFIG_1,
RF_DC_CALIBRATION_COUNT(4) | DAC_FS(2));
ad9361_spi_write(spi, REG_RF_DC_OFFSET_ATTEN,
RF_DC_OFFSET_ATTEN(
phy->pdata->dc_offset_attenuation_low));
} else {
ad9361_spi_write(spi, REG_RF_DC_OFFSET_COUNT,
phy->pdata->rf_dc_offset_count_high);
ad9361_spi_write(spi, REG_RF_DC_OFFSET_CONFIG_1,
RF_DC_CALIBRATION_COUNT(4) | DAC_FS(3));
ad9361_spi_write(spi, REG_RF_DC_OFFSET_ATTEN,
RF_DC_OFFSET_ATTEN(
phy->pdata->dc_offset_attenuation_high));
}
ad9361_spi_write(spi, REG_DC_OFFSET_CONFIG2,
USE_WAIT_COUNTER_FOR_RF_DC_INIT_CAL |
DC_OFFSET_UPDATE(3));
if (phy->pdata->rx1rx2_phase_inversion_en ||
(phy->pdata->port_ctrl.pp_conf[1] & INVERT_RX2)) {
ad9361_spi_write(spi, REG_INVERT_BITS,
INVERT_RX1_RF_DC_CGOUT_WORD);
} else {
ad9361_spi_write(spi, REG_INVERT_BITS,
INVERT_RX1_RF_DC_CGOUT_WORD |
INVERT_RX2_RF_DC_CGOUT_WORD);
}
return ad9361_run_calibration(phy, RFDC_CAL);
}
static int __ad9361_update_rf_bandwidth(struct ad9361_rf_phy *phy,
u32 rf_rx_bw, u32 rf_tx_bw)
{
u32 real_rx_bandwidth = rf_rx_bw / 2;
u32 real_tx_bandwidth = rf_tx_bw / 2;
unsigned long bbpll_freq;
int ret;
dev_dbg(&phy->spi->dev, "%s: %d %d",
__func__, rf_rx_bw, rf_tx_bw);
bbpll_freq = clk_get_rate(phy->clks[BBPLL_CLK]);
ret = ad9361_rx_bb_analog_filter_calib(phy,
real_rx_bandwidth,
bbpll_freq);
if (ret < 0)
return ret;
ret = ad9361_tx_bb_analog_filter_calib(phy,
real_tx_bandwidth,
bbpll_freq);
if (ret < 0)
return ret;
ret = ad9361_rx_tia_calib(phy, real_rx_bandwidth);
if (ret < 0)
return ret;
ret = ad9361_tx_bb_second_filter_calib(phy, real_tx_bandwidth);
if (ret < 0)
return ret;
ret = ad9361_rx_adc_setup(phy,
bbpll_freq,
clk_get_rate(phy->clks[ADC_CLK]));
if (ret < 0)
return ret;
return 0;
}
/* TX QUADRATURE CALIBRATION */
static int __ad9361_tx_quad_calib(struct ad9361_rf_phy *phy, u32 phase,
u32 rxnco_word, u32 decim, u8 *res)
{
int ret;
ad9361_spi_write(phy->spi, REG_QUAD_CAL_NCO_FREQ_PHASE_OFFSET,
RX_NCO_FREQ(rxnco_word) | RX_NCO_PHASE_OFFSET(phase));
ad9361_spi_write(phy->spi, REG_QUAD_CAL_CTRL,
SETTLE_MAIN_ENABLE | DC_OFFSET_ENABLE | QUAD_CAL_SOFT_RESET |
GAIN_ENABLE | PHASE_ENABLE | M_DECIM(decim));
ad9361_spi_write(phy->spi, REG_QUAD_CAL_CTRL,
SETTLE_MAIN_ENABLE | DC_OFFSET_ENABLE |
GAIN_ENABLE | PHASE_ENABLE | M_DECIM(decim));
ret = ad9361_run_calibration(phy, TX_QUAD_CAL);
if (ret < 0)
return ret;
if (res)
*res = ad9361_spi_read(phy->spi,
(phy->pdata->rx1tx1_mode_use_tx_num == 2) ?
REG_QUAD_CAL_STATUS_TX2 : REG_QUAD_CAL_STATUS_TX1) &
(TX1_LO_CONV | TX1_SSB_CONV);
return 0;
}
static int ad9361_tx_quad_phase_search(struct ad9361_rf_phy *phy, u32 rxnco_word, u8 decim)
{
struct ad9361_rf_phy_state *st = phy->state;
int i, ret;
u8 field[64], val;
u32 start;
dev_dbg(&phy->spi->dev, "%s", __func__);
for (i = 0; i < (ARRAY_SIZE(field) / 2); i++) {
ret = __ad9361_tx_quad_calib(phy, i, rxnco_word, decim, &val);
if (ret < 0)
return ret;
/* Handle 360/0 wrap around */
field[i] = field[i + 32] = !((val & TX1_LO_CONV) && (val & TX1_SSB_CONV));
}
ret = ad9361_find_opt(field, ARRAY_SIZE(field), &start);
st->last_tx_quad_cal_phase = (start + ret / 2) & 0x1F;
#ifdef _DEBUG
for (i = 0; i < 64; i++) {
pr_err("%c", (field[i] ? '#' : 'o'));
}
pr_err(" RX_NCO_PHASE_OFFSET(%d, 0x%X)\n", st->last_tx_quad_cal_phase,
st->last_tx_quad_cal_phase);
#endif
ret = __ad9361_tx_quad_calib(phy, st->last_tx_quad_cal_phase, rxnco_word, decim, NULL);
if (ret < 0)
return ret;
return 0;
}
static int ad9361_tx_quad_calib(struct ad9361_rf_phy *phy,
unsigned long bw_rx, unsigned long bw_tx,
int rx_phase)
{
struct ad9361_rf_phy_state *st = phy->state;
struct device *dev = &phy->spi->dev;
struct spi_device *spi = phy->spi;
unsigned long clktf, clkrf;
int txnco_word, rxnco_word, txnco_freq, ret;
u8 __rx_phase = 0, reg_inv_bits, val, decim;
bool phase_inversion_en;
if (st->cached_synth_pd[0] & TX_LO_POWER_DOWN) {
if (phy->pdata->lo_powerdown_managed_en) {
ad9361_spi_writef(spi, REG_TX_SYNTH_POWER_DOWN_OVERRIDE,
TX_LO_POWER_DOWN, 0);
} else {
dev_err(dev,
"%s : Tx QUAD Cal abort due to TX LO in powerdown\n",
__func__);
return -EFAULT;
}
}
/*
* Find NCO frequency that matches this equation:
* BW / 4 = Rx NCO freq = Tx NCO freq:
* Rx NCO = ClkRF * (rxNCO <1:0> + 1) / 32
* Tx NCO = ClkTF * (txNCO <1:0> + 1) / 32
*/
clkrf = clk_get_rate(phy->clks[CLKRF_CLK]);
clktf = clk_get_rate(phy->clks[CLKTF_CLK]);
dev_dbg(&phy->spi->dev, "%s : bw_tx %lu clkrf %lu clktf %lu",
__func__, bw_tx, clkrf, clktf);
txnco_word = DIV_ROUND_CLOSEST(bw_tx * 8, clktf) - 1;
txnco_word = clamp_t(int, txnco_word, 0, 3);
rxnco_word = txnco_word;
dev_dbg(dev, "Tx NCO frequency: %lu (BW/4: %lu) txnco_word %d\n",
clktf * (txnco_word + 1) / 32, bw_tx / 4, txnco_word);
if (clktf <= 4000000UL)
decim = 2;
else
decim = 3;
if (clkrf == (2 * clktf)) {
__rx_phase = 0x0E;
switch (txnco_word) {
case 0:
txnco_word++;
break;
case 1:
rxnco_word--;
break;
case 2:
rxnco_word-=2;
txnco_word--;
break;
case 3:
rxnco_word-=2; /* REVISIT */
__rx_phase = 0x08;
break;
}
} else if (clkrf == clktf) {
switch (txnco_word) {
case 0:
case 3:
__rx_phase = 0x15;
break;
case 2:
__rx_phase = 0x1F;
break;
case 1:
if (ad9361_spi_readf(spi,
REG_TX_ENABLE_FILTER_CTRL, 0x3F) == 0x22)
__rx_phase = 0x15; /* REVISIT */
else
__rx_phase = 0x1A;
break;
}
} else
dev_err(dev, "Unhandled case in %s line %d clkrf %lu clktf %lu\n",
__func__, __LINE__, clkrf, clktf);
if (rx_phase >= 0)
__rx_phase = rx_phase;
txnco_freq = clktf * (txnco_word + 1) / 32;
if (txnco_freq > (bw_rx / 4) || txnco_freq > (bw_tx / 4)) {
/* Make sure the BW during calibration is wide enough */
ret = __ad9361_update_rf_bandwidth(phy, txnco_freq * 8, txnco_freq * 8);
if (ret < 0)
goto out_restore;
}
phase_inversion_en = phy->pdata->rx1rx2_phase_inversion_en ||
(phy->pdata->port_ctrl.pp_conf[1] & INVERT_RX2);
if (phase_inversion_en) {
ad9361_spi_writef(spi, REG_PARALLEL_PORT_CONF_2, INVERT_RX2, 0);
reg_inv_bits = ad9361_spi_read(spi, REG_INVERT_BITS);
ad9361_spi_write(spi, REG_INVERT_BITS,
INVERT_RX1_RF_DC_CGOUT_WORD |
INVERT_RX2_RF_DC_CGOUT_WORD);
}
ad9361_spi_writef(spi, REG_KEXP_2, TX_NCO_FREQ(~0), txnco_word);
ad9361_spi_write(spi, REG_QUAD_CAL_COUNT, 0xFF);
ad9361_spi_write(spi, REG_KEXP_1, KEXP_TX(1) | KEXP_TX_COMP(3) |
KEXP_DC_I(3) | KEXP_DC_Q(3));
ad9361_spi_write(spi, REG_MAG_FTEST_THRESH, 0x01);
ad9361_spi_write(spi, REG_MAG_FTEST_THRESH_2, 0x01);
if (st->tx_quad_lpf_tia_match < 0) /* set in ad9361_load_gt() */
dev_err(dev, "failed to find suitable LPF TIA value in gain table\n");
else
ad9361_spi_write(spi, REG_TX_QUAD_FULL_LMT_GAIN,
st->tx_quad_lpf_tia_match);
ad9361_spi_write(spi, REG_QUAD_SETTLE_COUNT, 0xF0);
ad9361_spi_write(spi, REG_TX_QUAD_LPF_GAIN, 0x00);
if (rx_phase != -2) {
ret = __ad9361_tx_quad_calib(phy, __rx_phase, rxnco_word, decim, &val);
dev_dbg(dev, "LO leakage: %d Quadrature Calibration: %d : rx_phase %d\n",
!!(val & TX1_LO_CONV), !!(val & TX1_SSB_CONV), __rx_phase);
/* Calibration failed -> try last phase offset */
if (val != (TX1_LO_CONV | TX1_SSB_CONV)) {
if (st->last_tx_quad_cal_phase < 31)
ret = __ad9361_tx_quad_calib(phy, st->last_tx_quad_cal_phase,
rxnco_word, decim, &val);
} else {
st->last_tx_quad_cal_phase = __rx_phase;
}
} else {
/* force phase search */
val = 0;
}
/* Calibration failed -> loop through all 32 phase offsets */
if (val != (TX1_LO_CONV | TX1_SSB_CONV))
ret = ad9361_tx_quad_phase_search(phy, rxnco_word, decim);
if (phase_inversion_en) {
ad9361_spi_writef(spi, REG_PARALLEL_PORT_CONF_2, INVERT_RX2, 1);
ad9361_spi_write(spi, REG_INVERT_BITS, reg_inv_bits);
}
if (txnco_freq > (bw_rx / 4) || txnco_freq > (bw_tx / 4)) {
__ad9361_update_rf_bandwidth(phy,
st->current_rx_bw_Hz,
st->current_tx_bw_Hz);
}
out_restore:
/* Restore synthesizer powerdown configuration */
if (phy->pdata->lo_powerdown_managed_en &&
(st->cached_synth_pd[0] & TX_LO_POWER_DOWN))
ad9361_synth_lo_powerdown(phy, LO_DONTCARE, LO_DONTCARE);
return ret;
}
static int ad9361_tracking_control(struct ad9361_rf_phy *phy, bool bbdc_track,
bool rfdc_track, bool rxquad_track)
{
struct spi_device *spi = phy->spi;
u32 qtrack = 0;
dev_dbg(&spi->dev, "%s : bbdc_track=%d, rfdc_track=%d, rxquad_track=%d",
__func__, bbdc_track, rfdc_track, rxquad_track);
ad9361_spi_write(spi, REG_CALIBRATION_CONFIG_2,
CALIBRATION_CONFIG2_DFLT | K_EXP_PHASE(0x15));
ad9361_spi_write(spi, REG_CALIBRATION_CONFIG_3,
PREVENT_POS_LOOP_GAIN | K_EXP_AMPLITUDE(0x15));
ad9361_spi_write(spi, REG_DC_OFFSET_CONFIG2,
USE_WAIT_COUNTER_FOR_RF_DC_INIT_CAL |
DC_OFFSET_UPDATE(phy->pdata->dc_offset_update_events) |
(bbdc_track ? ENABLE_BB_DC_OFFSET_TRACKING : 0) |
(rfdc_track ? ENABLE_RF_OFFSET_TRACKING : 0));
ad9361_spi_writef(spi, REG_RX_QUAD_GAIN2,
CORRECTION_WORD_DECIMATION_M(~0),
phy->pdata->qec_tracking_slow_mode_en ? 4 : 0);
if (rxquad_track) {
if (phy->pdata->rx2tx2)
qtrack = ENABLE_TRACKING_MODE_CH1 | ENABLE_TRACKING_MODE_CH2;
else
qtrack = (phy->pdata->rx1tx1_mode_use_rx_num == 1) ?
ENABLE_TRACKING_MODE_CH1 : ENABLE_TRACKING_MODE_CH2;
}
ad9361_spi_write(spi, REG_CALIBRATION_CONFIG_1,
ENABLE_PHASE_CORR | ENABLE_GAIN_CORR |
FREE_RUN_MODE | ENABLE_CORR_WORD_DECIMATION |
qtrack);
return 0;
}
static int ad9361_trx_vco_cal_control(struct ad9361_rf_phy *phy,
bool tx, bool enable)
{
dev_dbg(&phy->spi->dev, "%s : state %d",
__func__, enable);
return ad9361_spi_writef(phy->spi,
tx ? REG_TX_PFD_CONFIG : REG_RX_PFD_CONFIG,
BYPASS_LD_SYNTH, !enable);
}
/* REFERENCE CLOCK DELAY UNIT COUNTER REGISTER */
static int ad9361_set_ref_clk_cycles(struct ad9361_rf_phy *phy,
unsigned long ref_clk_hz)
{
dev_dbg(&phy->spi->dev, "%s : ref_clk_hz %lu",
__func__, ref_clk_hz);
return ad9361_spi_write(phy->spi, REG_REFERENCE_CLOCK_CYCLES,
REFERENCE_CLOCK_CYCLES_PER_US((ref_clk_hz / 1000000UL) - 1));
}
static int ad9361_set_dcxo_tune(struct ad9361_rf_phy *phy,
u32 coarse, u32 fine)
{
dev_dbg(&phy->spi->dev, "%s : coarse %u fine %u",
__func__, coarse, fine);
if (phy->pdata->use_extclk)
return -ENODEV;
ad9361_spi_write(phy->spi, REG_DCXO_COARSE_TUNE,
DCXO_TUNE_COARSE(coarse));
ad9361_spi_write(phy->spi, REG_DCXO_FINE_TUNE_LOW,
DCXO_TUNE_FINE_LOW(fine));
return ad9361_spi_write(phy->spi, REG_DCXO_FINE_TUNE_HIGH,
DCXO_TUNE_FINE_HIGH(fine));
}
static int ad9361_txmon_setup(struct ad9361_rf_phy *phy,
struct tx_monitor_control *ctrl)
{
struct spi_device *spi = phy->spi;
dev_dbg(&phy->spi->dev, "%s", __func__);
ad9361_spi_write(spi, REG_TPM_MODE_ENABLE,
(ctrl->one_shot_mode_en ? ONE_SHOT_MODE : 0) |
TX_MON_DURATION(ilog2(ctrl->tx_mon_duration / 16)));
ad9361_spi_write(spi, REG_TX_MON_DELAY, ctrl->tx_mon_delay & 0xFF);
ad9361_spi_writef(spi, REG_TX_LEVEL_THRESH,
TX_MON_DELAY_COUNTER(~0), ctrl->tx_mon_delay >> 8);
ad9361_spi_write(spi, REG_TX_MON_1_CONFIG,
TX_MON_1_LO_CM(ctrl->tx1_mon_lo_cm) |
TX_MON_1_GAIN(ctrl->tx1_mon_front_end_gain));
ad9361_spi_write(spi, REG_TX_MON_2_CONFIG,
TX_MON_2_LO_CM(ctrl->tx2_mon_lo_cm) |
TX_MON_2_GAIN(ctrl->tx2_mon_front_end_gain));
ad9361_spi_write(spi, REG_TX_ATTEN_THRESH,
ctrl->low_high_gain_threshold_mdB / 250);
ad9361_spi_write(spi, REG_TX_MON_HIGH_GAIN,
TX_MON_HIGH_GAIN(ctrl->high_gain_dB));
ad9361_spi_write(spi, REG_TX_MON_LOW_GAIN,
(ctrl->tx_mon_track_en ? TX_MON_TRACK : 0) |
TX_MON_LOW_GAIN(ctrl->low_gain_dB));
return 0;
}
static int ad9361_txmon_control(struct ad9361_rf_phy *phy,
unsigned en_mask)
{
dev_dbg(&phy->spi->dev, "%s: mask 0x%X", __func__, en_mask);
#if 0
if (!phy->pdata->fdd && en_mask) {
ad9361_spi_writef(phy->spi, REG_ENSM_CONFIG_1,
ENABLE_RX_DATA_PORT_FOR_CAL, 1);
st->txmon_tdd_en = true;
} else {
ad9361_spi_writef(phy->spi, REG_ENSM_CONFIG_1,
ENABLE_RX_DATA_PORT_FOR_CAL, 0);
st->txmon_tdd_en = false;
}
#endif
ad9361_spi_writef(phy->spi, REG_ANALOG_POWER_DOWN_OVERRIDE,
TX_MONITOR_POWER_DOWN(~0), ~en_mask);
ad9361_spi_writef(phy->spi, REG_TPM_MODE_ENABLE,
TX1_MON_ENABLE, !!(en_mask & TX_1));
return ad9361_spi_writef(phy->spi, REG_TPM_MODE_ENABLE,
TX2_MON_ENABLE, !!(en_mask & TX_2));
}
/* val
* 0 (RX1A_N & RX1A_P) and (RX2A_N & RX2A_P) enabled; balanced
* 1 (RX1B_N & RX1B_P) and (RX2B_N & RX2B_P) enabled; balanced
* 2 (RX1C_N & RX1C_P) and (RX2C_N & RX2C_P) enabled; balanced
*
* 3 RX1A_N and RX2A_N enabled; unbalanced
* 4 RX1A_P and RX2A_P enabled; unbalanced
* 5 RX1B_N and RX2B_N enabled; unbalanced
* 6 RX1B_P and RX2B_P enabled; unbalanced
* 7 RX1C_N and RX2C_N enabled; unbalanced
* 8 RX1C_P and RX2C_P enabled; unbalanced
* 9 TX_MON1
* 10 TX_MON2
* 11 TX_MON1 & TX_MON2
*/
static int ad9361_rf_port_setup(struct ad9361_rf_phy *phy, bool is_out,
u32 rx_inputs, u32 txb)
{
u32 val;
if (rx_inputs > 11)
return -EINVAL;
if (!is_out) {
if (rx_inputs > 8)
return ad9361_txmon_control(phy, rx_inputs & (TX_1 | TX_2));
else
ad9361_txmon_control(phy, 0);
}
if (rx_inputs < 3)
val = 3 << (rx_inputs * 2);
else
val = 1 << (rx_inputs - 3);
if (txb)
val |= TX_OUTPUT; /* Select TX1B, TX2B */
dev_dbg(&phy->spi->dev, "%s : INPUT_SELECT 0x%X",
__func__, val);
return ad9361_spi_write(phy->spi, REG_INPUT_SELECT, val);
}
int ad9361_set_rx_port(struct ad9361_rf_phy *phy, enum rx_port_sel sel)
{
struct ad9361_rf_phy_state *st;
if (!phy)
return -EINVAL;
switch (sel) {
case RX_A_BALANCED: /* FALLTHROUGH */
case RX_B_BALANCED: /* FALLTHROUGH */
case RX_C_BALANCED: /* FALLTHROUGH */
case RX_A_N: /* FALLTHROUGH */
case RX_A_P: /* FALLTHROUGH */
case RX_B_N: /* FALLTHROUGH */
case RX_B_P: /* FALLTHROUGH */
case RX_C_N: /* FALLTHROUGH */
case RX_C_P: /* FALLTHROUGH */
case TX_MON1: /* FALLTHROUGH */
case TX_MON2: /* FALLTHROUGH */
case TX_MON1_2:
st = phy->state;
if (st->rf_rx_input_sel == sel)
return 0;
st->rf_rx_input_sel = sel;
return ad9361_rf_port_setup(phy, false, sel,
st->rf_tx_output_sel);
default:
return -EINVAL;
}
}
EXPORT_SYMBOL(ad9361_set_rx_port);
int ad9361_set_tx_port(struct ad9361_rf_phy *phy, enum tx_port_sel sel)
{
struct ad9361_rf_phy_state *st;
if (!phy)
return -EINVAL;
switch (sel) {
case (TX_A): /* FALLTHROUGH */
case (TX_B):
st = phy->state;
if (st->rf_tx_output_sel == sel)
return 0;
st->rf_tx_output_sel = sel;
return ad9361_rf_port_setup(phy, true, st->rf_rx_input_sel,
sel);
default:
return -EINVAL;
}
}
EXPORT_SYMBOL(ad9361_set_tx_port);
/*
* Setup the Parallel Port (Digital Data Interface)
*/
static int ad9361_pp_port_setup(struct ad9361_rf_phy *phy, bool restore_c3)
{
struct spi_device *spi = phy->spi;
struct ad9361_phy_platform_data *pd = phy->pdata;
dev_dbg(&phy->spi->dev, "%s", __func__);
if (restore_c3) {
return ad9361_spi_write(spi, REG_PARALLEL_PORT_CONF_3,
pd->port_ctrl.pp_conf[2]);
}
/* Sanity check */
if (pd->port_ctrl.pp_conf[2] & LVDS_MODE)
pd->port_ctrl.pp_conf[2] &=
~(HALF_DUPLEX_MODE | SINGLE_DATA_RATE | SINGLE_PORT_MODE);
if (pd->port_ctrl.pp_conf[2] & FULL_PORT)
pd->port_ctrl.pp_conf[2] &= ~(HALF_DUPLEX_MODE | SINGLE_PORT_MODE);
ad9361_spi_write(spi, REG_PARALLEL_PORT_CONF_1, pd->port_ctrl.pp_conf[0]);
ad9361_spi_write(spi, REG_PARALLEL_PORT_CONF_2, pd->port_ctrl.pp_conf[1]);
ad9361_spi_write(spi, REG_PARALLEL_PORT_CONF_3, pd->port_ctrl.pp_conf[2]);
ad9361_write_clock_data_delays(phy);
ad9361_spi_write(spi, REG_LVDS_BIAS_CTRL, pd->port_ctrl.lvds_bias_ctrl);
// ad9361_spi_write(spi, REG_DIGITAL_IO_CTRL, pd->port_ctrl.digital_io_ctrl);
ad9361_spi_write(spi, REG_LVDS_INVERT_CTRL1, pd->port_ctrl.lvds_invert[0]);
ad9361_spi_write(spi, REG_LVDS_INVERT_CTRL2, pd->port_ctrl.lvds_invert[1]);
if (pd->rx1rx2_phase_inversion_en ||
(pd->port_ctrl.pp_conf[1] & INVERT_RX2)) {
ad9361_spi_writef(spi, REG_PARALLEL_PORT_CONF_2, INVERT_RX2, 1);
ad9361_spi_writef(spi, REG_INVERT_BITS,
INVERT_RX2_RF_DC_CGOUT_WORD, 0);
}
return 0;
}
static int ad9361_gc_setup(struct ad9361_rf_phy *phy, struct gain_control *ctrl)
{
struct ad9361_rf_phy_state *st = phy->state;
struct spi_device *spi = phy->spi;
u32 reg, tmp1, tmp2;
dev_dbg(&phy->spi->dev, "%s", __func__);
reg = DEC_PWR_FOR_GAIN_LOCK_EXIT | DEC_PWR_FOR_LOCK_LEVEL |
DEC_PWR_FOR_LOW_PWR;
if (ctrl->rx1_mode == RF_GAIN_HYBRID_AGC ||
ctrl->rx2_mode == RF_GAIN_HYBRID_AGC)
reg |= SLOW_ATTACK_HYBRID_MODE;
reg |= RX1_GAIN_CTRL_SETUP(ctrl->rx1_mode) |
RX2_GAIN_CTRL_SETUP(ctrl->rx2_mode);
st->agc_mode[0] = ctrl->rx1_mode;
st->agc_mode[1] = ctrl->rx2_mode;
ad9361_spi_write(spi, REG_AGC_CONFIG_1, reg); // Gain Control Mode Select
/* AGC_USE_FULL_GAIN_TABLE handled in ad9361_load_gt() */
ad9361_spi_writef(spi, REG_AGC_CONFIG_2, MAN_GAIN_CTRL_RX1,
ctrl->mgc_rx1_ctrl_inp_en);
ad9361_spi_writef(spi, REG_AGC_CONFIG_2, MAN_GAIN_CTRL_RX2,
ctrl->mgc_rx2_ctrl_inp_en);
ad9361_spi_writef(spi, REG_AGC_CONFIG_2, DIG_GAIN_EN,
ctrl->dig_gain_en);
ctrl->adc_ovr_sample_size = clamp_t(u8, ctrl->adc_ovr_sample_size, 1U, 8U);
reg = ADC_OVERRANGE_SAMPLE_SIZE(ctrl->adc_ovr_sample_size - 1);
if (phy->pdata->split_gt &&
(ctrl->mgc_rx1_ctrl_inp_en || ctrl->mgc_rx2_ctrl_inp_en)) {
switch (ctrl->mgc_split_table_ctrl_inp_gain_mode) {
case 1:
reg &= ~INCDEC_LMT_GAIN;
break;
case 2:
reg |= INCDEC_LMT_GAIN;
break;
default:
case 0:
reg |= USE_AGC_FOR_LMTLPF_GAIN;
break;
}
}
ctrl->mgc_inc_gain_step = clamp_t(u8, ctrl->mgc_inc_gain_step, 1U, 8U);
reg |= MANUAL_INCR_STEP_SIZE(ctrl->mgc_inc_gain_step - 1);
ad9361_spi_write(spi, REG_AGC_CONFIG_3, reg); // Incr Step Size, ADC Overrange Size
ctrl->mgc_dec_gain_step = clamp_t(u8, ctrl->mgc_dec_gain_step, 1U, 8U);
reg = MANUAL_CTRL_IN_DECR_GAIN_STP_SIZE(ctrl->mgc_dec_gain_step - 1);
ad9361_spi_write(spi, REG_PEAK_WAIT_TIME, reg); // Decr Step Size, Peak Overload Time
if (ctrl->dig_gain_en)
ad9361_spi_write(spi, REG_DIGITAL_GAIN,
MAXIMUM_DIGITAL_GAIN(ctrl->max_dig_gain) |
DIG_GAIN_STP_SIZE(ctrl->dig_gain_step_size));
if (ctrl->adc_large_overload_thresh >= ctrl->adc_small_overload_thresh) {
ad9361_spi_write(spi, REG_ADC_SMALL_OVERLOAD_THRESH,
ctrl->adc_small_overload_thresh); // ADC Small Overload Threshold
ad9361_spi_write(spi, REG_ADC_LARGE_OVERLOAD_THRESH,
ctrl->adc_large_overload_thresh); // ADC Large Overload Threshold
} else {
ad9361_spi_write(spi, REG_ADC_SMALL_OVERLOAD_THRESH,
ctrl->adc_large_overload_thresh); // ADC Small Overload Threshold
ad9361_spi_write(spi, REG_ADC_LARGE_OVERLOAD_THRESH,
ctrl->adc_small_overload_thresh); // ADC Large Overload Threshold
}
reg = (ctrl->lmt_overload_high_thresh / 16) - 1;
reg = clamp(reg, 0U, 63U);
ad9361_spi_write(spi, REG_LARGE_LMT_OVERLOAD_THRESH, reg);
reg = (ctrl->lmt_overload_low_thresh / 16) - 1;
reg = clamp(reg, 0U, 63U);
ad9361_spi_writef(spi, REG_SMALL_LMT_OVERLOAD_THRESH,
SMALL_LMT_OVERLOAD_THRESH(~0), reg);
if (phy->pdata->split_gt) {
/* REVIST */
ad9361_spi_write(spi, REG_RX1_MANUAL_LPF_GAIN, 0x58); // Rx1 LPF Gain Index
ad9361_spi_write(spi, REG_RX2_MANUAL_LPF_GAIN, 0x18); // Rx2 LPF Gain Index
ad9361_spi_write(spi, REG_FAST_INITIAL_LMT_GAIN_LIMIT, 0x27); // Initial LMT Gain Limit
}
ad9361_spi_write(spi, REG_RX1_MANUAL_DIGITALFORCED_GAIN, 0x00); // Rx1 Digital Gain Index
ad9361_spi_write(spi, REG_RX2_MANUAL_DIGITALFORCED_GAIN, 0x00); // Rx2 Digital Gain Index
reg = clamp_t(u8, ctrl->low_power_thresh, 0U, 64U) * 2;
ad9361_spi_write(spi, REG_FAST_LOW_POWER_THRESH, reg); // Low Power Threshold
ad9361_spi_write(spi, REG_TX_SYMBOL_ATTEN_CONFIG, 0x00); // Tx Symbol Gain Control
ad9361_spi_writef(spi, REG_DEC_POWER_MEASURE_DURATION_0,
USE_HB1_OUT_FOR_DEC_PWR_MEAS,
!ctrl->use_rx_fir_out_for_dec_pwr_meas); // USE HB1 or FIR output for power measurements
ad9361_spi_writef(spi, REG_DEC_POWER_MEASURE_DURATION_0,
ENABLE_DEC_PWR_MEAS, 1); // Power Measurement Duration
if (ctrl->rx1_mode == RF_GAIN_FASTATTACK_AGC ||
ctrl->rx2_mode == RF_GAIN_FASTATTACK_AGC)
reg = ilog2(ctrl->f_agc_dec_pow_measuremnt_duration / 16);
else
reg = ilog2(ctrl->dec_pow_measuremnt_duration / 16);
ad9361_spi_writef(spi, REG_DEC_POWER_MEASURE_DURATION_0,
DEC_POWER_MEASUREMENT_DURATION(~0), reg); // Power Measurement Duration
/* AGC */
tmp1 = reg = clamp_t(u8, ctrl->agc_inner_thresh_high, 0U, 127U);
ad9361_spi_writef(spi, REG_AGC_LOCK_LEVEL,
AGC_LOCK_LEVEL_FAST_AGC_INNER_HIGH_THRESH_SLOW(~0),
reg);
tmp2 = reg = clamp_t(u8, ctrl->agc_inner_thresh_low, 0U, 127U);
reg |= (ctrl->adc_lmt_small_overload_prevent_gain_inc ?
PREVENT_GAIN_INC : 0);
ad9361_spi_write(spi, REG_AGC_INNER_LOW_THRESH, reg);
reg = AGC_OUTER_HIGH_THRESH(tmp1 - ctrl->agc_outer_thresh_high) |
AGC_OUTER_LOW_THRESH(ctrl->agc_outer_thresh_low - tmp2);
ad9361_spi_write(spi, REG_OUTER_POWER_THRESHS, reg);
reg = AGC_OUTER_HIGH_THRESH_EXED_STP_SIZE(ctrl->agc_outer_thresh_high_dec_steps) |
AGC_OUTER_LOW_THRESH_EXED_STP_SIZE(ctrl->agc_outer_thresh_low_inc_steps);
ad9361_spi_write(spi, REG_GAIN_STP_2, reg);
reg = ((ctrl->immed_gain_change_if_large_adc_overload) ?
IMMED_GAIN_CHANGE_IF_LG_ADC_OVERLOAD : 0) |
((ctrl->immed_gain_change_if_large_lmt_overload) ?
IMMED_GAIN_CHANGE_IF_LG_LMT_OVERLOAD : 0) |
AGC_INNER_HIGH_THRESH_EXED_STP_SIZE(ctrl->agc_inner_thresh_high_dec_steps) |
AGC_INNER_LOW_THRESH_EXED_STP_SIZE(ctrl->agc_inner_thresh_low_inc_steps);
ad9361_spi_write(spi, REG_GAIN_STP1, reg);
reg = LARGE_ADC_OVERLOAD_EXED_COUNTER(ctrl->adc_large_overload_exceed_counter) |
SMALL_ADC_OVERLOAD_EXED_COUNTER(ctrl->adc_small_overload_exceed_counter);
ad9361_spi_write(spi, REG_ADC_OVERLOAD_COUNTERS, reg);
reg = DECREMENT_STP_SIZE_FOR_SMALL_LPF_GAIN_CHANGE(ctrl->f_agc_large_overload_inc_steps) |
LARGE_LPF_GAIN_STEP(ctrl->adc_large_overload_inc_steps);
ad9361_spi_write(spi, REG_GAIN_STP_CONFIG_2, reg);
reg = LARGE_LMT_OVERLOAD_EXED_COUNTER(ctrl->lmt_overload_large_exceed_counter) |
SMALL_LMT_OVERLOAD_EXED_COUNTER(ctrl->lmt_overload_small_exceed_counter);
ad9361_spi_write(spi, REG_LMT_OVERLOAD_COUNTERS, reg);
ad9361_spi_writef(spi, REG_GAIN_STP_CONFIG1,
DEC_STP_SIZE_FOR_LARGE_LMT_OVERLOAD(~0),
ctrl->lmt_overload_large_inc_steps);
reg = DIG_SATURATION_EXED_COUNTER(ctrl->dig_saturation_exceed_counter) |
(ctrl->sync_for_gain_counter_en ?
ENABLE_SYNC_FOR_GAIN_COUNTER : 0);
ad9361_spi_write(spi, REG_DIGITAL_SAT_COUNTER, reg);
/*
* Fast AGC
*/
/* Fast AGC - Low Power */
ad9361_spi_writef(spi, REG_FAST_CONFIG_1,
ENABLE_INCR_GAIN,
ctrl->f_agc_allow_agc_gain_increase);
ad9361_spi_write(spi, REG_FAST_INCREMENT_TIME,
ctrl->f_agc_lp_thresh_increment_time);
reg = ctrl->f_agc_lp_thresh_increment_steps - 1;
reg = clamp_t(u32, reg, 0U, 7U);
ad9361_spi_writef(spi, REG_FAST_ENERGY_DETECT_COUNT,
INCREMENT_GAIN_STP_LPFLMT(~0), reg);
/* Fast AGC - Lock Level */
/* Dual use see also agc_inner_thresh_high */
ad9361_spi_writef(spi, REG_FAST_CONFIG_2_SETTLING_DELAY,
ENABLE_LMT_GAIN_INC_FOR_LOCK_LEVEL,
ctrl->f_agc_lock_level_lmt_gain_increase_en);
reg = ctrl->f_agc_lock_level_gain_increase_upper_limit;
reg = clamp_t(u32, reg, 0U, 63U);
ad9361_spi_writef(spi, REG_FAST_AGCLL_UPPER_LIMIT,
AGCLL_MAX_INCREASE(~0), reg);
/* Fast AGC - Peak Detectors and Final Settling */
reg = ctrl->f_agc_lpf_final_settling_steps;
reg = clamp_t(u32, reg, 0U, 3U);
ad9361_spi_writef(spi, REG_FAST_ENERGY_LOST_THRESH,
POST_LOCK_LEVEL_STP_SIZE_FOR_LPF_TABLE_FULL_TABLE(~0),
reg);
reg = ctrl->f_agc_lmt_final_settling_steps;
reg = clamp_t(u32, reg, 0U, 3U);
ad9361_spi_writef(spi, REG_FAST_STRONGER_SIGNAL_THRESH,
POST_LOCK_LEVEL_STP_FOR_LMT_TABLE(~0), reg);
reg = ctrl->f_agc_final_overrange_count;
reg = clamp_t(u32, reg, 0U, 7U);
ad9361_spi_writef(spi, REG_FAST_FINAL_OVER_RANGE_AND_OPT_GAIN,
FINAL_OVER_RANGE_COUNT(~0), reg);
/* Fast AGC - Final Power Test */
ad9361_spi_writef(spi, REG_FAST_CONFIG_1,
ENABLE_GAIN_INC_AFTER_GAIN_LOCK,
ctrl->f_agc_gain_increase_after_gain_lock_en);
/* Fast AGC - Unlocking the Gain */
/* 0 = MAX Gain, 1 = Optimized Gain, 2 = Set Gain */
reg = ctrl->f_agc_gain_index_type_after_exit_rx_mode;
ad9361_spi_writef(spi, REG_FAST_CONFIG_1,
GOTO_SET_GAIN_IF_EXIT_RX_STATE, reg == SET_GAIN);
ad9361_spi_writef(spi, REG_FAST_CONFIG_1,
GOTO_OPTIMIZED_GAIN_IF_EXIT_RX_STATE,
reg == OPTIMIZED_GAIN);
ad9361_spi_writef(spi, REG_FAST_CONFIG_2_SETTLING_DELAY,
USE_LAST_LOCK_LEVEL_FOR_SET_GAIN,
ctrl->f_agc_use_last_lock_level_for_set_gain_en);
reg = ctrl->f_agc_optimized_gain_offset;
reg = clamp_t(u32, reg, 0U, 15U);
ad9361_spi_writef(spi, REG_FAST_FINAL_OVER_RANGE_AND_OPT_GAIN,
OPTIMIZE_GAIN_OFFSET(~0), reg);
tmp1 = !ctrl->f_agc_rst_gla_stronger_sig_thresh_exceeded_en ||
!ctrl->f_agc_rst_gla_engergy_lost_sig_thresh_exceeded_en ||
!ctrl->f_agc_rst_gla_large_adc_overload_en ||
!ctrl->f_agc_rst_gla_large_lmt_overload_en ||
ctrl->f_agc_rst_gla_en_agc_pulled_high_en;
ad9361_spi_writef(spi, REG_AGC_CONFIG_2,
AGC_GAIN_UNLOCK_CTRL, tmp1);
reg = !ctrl->f_agc_rst_gla_stronger_sig_thresh_exceeded_en;
ad9361_spi_writef(spi, REG_FAST_STRONG_SIGNAL_FREEZE,
DONT_UNLOCK_GAIN_IF_STRONGER_SIGNAL, reg);
reg = ctrl->f_agc_rst_gla_stronger_sig_thresh_above_ll;
reg = clamp_t(u32, reg, 0U, 63U);
ad9361_spi_writef(spi, REG_FAST_STRONGER_SIGNAL_THRESH,
STRONGER_SIGNAL_THRESH(~0), reg);
reg = ctrl->f_agc_rst_gla_engergy_lost_sig_thresh_below_ll;
reg = clamp_t(u32, reg, 0U, 63U);
ad9361_spi_writef(spi, REG_FAST_ENERGY_LOST_THRESH,
ENERGY_LOST_THRESH(~0), reg);
reg = ctrl->f_agc_rst_gla_engergy_lost_goto_optim_gain_en;
ad9361_spi_writef(spi, REG_FAST_CONFIG_1,
GOTO_OPT_GAIN_IF_ENERGY_LOST_OR_EN_AGC_HIGH, reg);
reg = !ctrl->f_agc_rst_gla_engergy_lost_sig_thresh_exceeded_en;
ad9361_spi_writef(spi, REG_FAST_CONFIG_1,
DONT_UNLOCK_GAIN_IF_ENERGY_LOST, reg);
reg = ctrl->f_agc_energy_lost_stronger_sig_gain_lock_exit_cnt;
reg = clamp_t(u32, reg, 0U, 63U);
ad9361_spi_writef(spi, REG_FAST_GAIN_LOCK_EXIT_COUNT,
GAIN_LOCK_EXIT_COUNT(~0), reg);
reg = !ctrl->f_agc_rst_gla_large_adc_overload_en ||
!ctrl->f_agc_rst_gla_large_lmt_overload_en;
ad9361_spi_writef(spi, REG_FAST_CONFIG_1,
DONT_UNLOCK_GAIN_IF_LG_ADC_OR_LMT_OVRG, reg);
reg = !ctrl->f_agc_rst_gla_large_adc_overload_en;
ad9361_spi_writef(spi, REG_FAST_LOW_POWER_THRESH,
DONT_UNLOCK_GAIN_IF_ADC_OVRG, reg);
/* 0 = Max Gain, 1 = Set Gain, 2 = Optimized Gain, 3 = No Gain Change */
if (ctrl->f_agc_rst_gla_en_agc_pulled_high_en) {
switch (ctrl->f_agc_rst_gla_if_en_agc_pulled_high_mode) {
case MAX_GAIN:
ad9361_spi_writef(spi, REG_FAST_CONFIG_2_SETTLING_DELAY,
GOTO_MAX_GAIN_OR_OPT_GAIN_IF_EN_AGC_HIGH, 1);
ad9361_spi_writef(spi, REG_FAST_CONFIG_1,
GOTO_SET_GAIN_IF_EN_AGC_HIGH, 0);
ad9361_spi_writef(spi, REG_FAST_CONFIG_1,
GOTO_OPT_GAIN_IF_ENERGY_LOST_OR_EN_AGC_HIGH, 0);
break;
case SET_GAIN:
ad9361_spi_writef(spi, REG_FAST_CONFIG_2_SETTLING_DELAY,
GOTO_MAX_GAIN_OR_OPT_GAIN_IF_EN_AGC_HIGH, 0);
ad9361_spi_writef(spi, REG_FAST_CONFIG_1,
GOTO_SET_GAIN_IF_EN_AGC_HIGH, 1);
break;
case OPTIMIZED_GAIN:
ad9361_spi_writef(spi, REG_FAST_CONFIG_2_SETTLING_DELAY,
GOTO_MAX_GAIN_OR_OPT_GAIN_IF_EN_AGC_HIGH, 1);
ad9361_spi_writef(spi, REG_FAST_CONFIG_1,
GOTO_SET_GAIN_IF_EN_AGC_HIGH, 0);
ad9361_spi_writef(spi, REG_FAST_CONFIG_1,
GOTO_OPT_GAIN_IF_ENERGY_LOST_OR_EN_AGC_HIGH, 1);
break;
case NO_GAIN_CHANGE:
ad9361_spi_writef(spi, REG_FAST_CONFIG_1,
GOTO_SET_GAIN_IF_EN_AGC_HIGH, 0);
ad9361_spi_writef(spi, REG_FAST_CONFIG_2_SETTLING_DELAY,
GOTO_MAX_GAIN_OR_OPT_GAIN_IF_EN_AGC_HIGH, 0);
break;
}
} else {
ad9361_spi_writef(spi, REG_FAST_CONFIG_1,
GOTO_SET_GAIN_IF_EN_AGC_HIGH, 0);
ad9361_spi_writef(spi, REG_FAST_CONFIG_2_SETTLING_DELAY,
GOTO_MAX_GAIN_OR_OPT_GAIN_IF_EN_AGC_HIGH, 0);
}
reg = ilog2(ctrl->f_agc_power_measurement_duration_in_state5 / 16);
reg = clamp_t(u32, reg, 0U, 15U);
ad9361_spi_writef(spi, REG_RX1_MANUAL_LPF_GAIN,
POWER_MEAS_IN_STATE_5(~0), reg);
ad9361_spi_writef(spi, REG_RX1_MANUAL_LMT_FULL_GAIN,
POWER_MEAS_IN_STATE_5_MSB, reg >> 3);
return ad9361_gc_update(phy);
}
static int ad9361_auxdac_set(struct ad9361_rf_phy *phy, unsigned dac,
unsigned val_mV)
{
struct ad9361_rf_phy_state *st = phy->state;
struct spi_device *spi = phy->spi;
u32 val, tmp;
dev_dbg(&phy->spi->dev, "%s DAC%d = %d mV", __func__, dac, val_mV);
/* Disable DAC if val == 0, Ignored in ENSM Auto Mode */
ad9361_spi_writef(spi, REG_AUXDAC_ENABLE_CTRL,
AUXDAC_MANUAL_BAR(dac), val_mV ? 0 : 1);
if (val_mV < 306)
val_mV = 306;
if (val_mV < 1888) {
val = ((val_mV - 306) * 1000) / 1469; /* Vref = 1V, Step = 2 */
tmp = AUXDAC_1_VREF(0);
} else {
val = ((val_mV - 1761) * 1000) / 1512; /* Vref = 2.5V, Step = 2 */
tmp = AUXDAC_1_VREF(3);
}
val = clamp_t(u32, val, 0, 1023);
switch (dac) {
case 1:
ad9361_spi_write(spi, REG_AUXDAC_1_WORD, val >> 2);
ad9361_spi_write(spi, REG_AUXDAC_1_CONFIG, AUXDAC_1_WORD_LSB(val) | tmp);
st->auxdac1_value = val_mV;
break;
case 2:
ad9361_spi_write(spi, REG_AUXDAC_2_WORD, val >> 2);
ad9361_spi_write(spi, REG_AUXDAC_2_CONFIG, AUXDAC_2_WORD_LSB(val) | tmp);
st->auxdac2_value = val_mV;
break;
default:
return -EINVAL;
}
return 0;
}
static int ad9361_auxdac_get(struct ad9361_rf_phy *phy, unsigned dac)
{
struct ad9361_rf_phy_state *st = phy->state;
switch (dac) {
case 1:
return st->auxdac1_value;
case 2:
return st->auxdac2_value;
default:
return -EINVAL;
}
return 0;
}
//************************************************************
// Setup AuxDAC
//************************************************************
static int ad9361_auxdac_setup(struct ad9361_rf_phy *phy,
struct auxdac_control *ctrl)
{
struct spi_device *spi = phy->spi;
u8 tmp;
dev_dbg(&phy->spi->dev, "%s", __func__);
ad9361_auxdac_set(phy, 1, ctrl->dac1_default_value);
ad9361_auxdac_set(phy, 2, ctrl->dac2_default_value);
tmp = ~(AUXDAC_AUTO_TX_BAR(ctrl->dac2_in_tx_en << 1 | ctrl->dac1_in_tx_en) |
AUXDAC_AUTO_RX_BAR(ctrl->dac2_in_rx_en << 1 | ctrl->dac1_in_rx_en) |
AUXDAC_INIT_BAR(ctrl->dac2_in_alert_en << 1 | ctrl->dac1_in_alert_en));
ad9361_spi_writef(spi, REG_AUXDAC_ENABLE_CTRL,
AUXDAC_AUTO_TX_BAR(~0) |
AUXDAC_AUTO_RX_BAR(~0) |
AUXDAC_INIT_BAR(~0),
tmp); /* Auto Control */
ad9361_spi_writef(spi, REG_EXTERNAL_LNA_CTRL,
AUXDAC_MANUAL_SELECT, ctrl->auxdac_manual_mode_en);
ad9361_spi_write(spi, REG_AUXDAC1_RX_DELAY, ctrl->dac1_rx_delay_us);
ad9361_spi_write(spi, REG_AUXDAC1_TX_DELAY, ctrl->dac1_tx_delay_us);
ad9361_spi_write(spi, REG_AUXDAC2_RX_DELAY, ctrl->dac2_rx_delay_us);
ad9361_spi_write(spi, REG_AUXDAC2_TX_DELAY, ctrl->dac2_tx_delay_us);
return 0;
}
//************************************************************
// Setup AuxADC
//************************************************************
static int ad9361_auxadc_setup(struct ad9361_rf_phy *phy,
struct auxadc_control *ctrl,
unsigned long bbpll_freq)
{
struct spi_device *spi = phy->spi;
u32 val;
dev_dbg(&phy->spi->dev, "%s", __func__);
val = DIV_ROUND_CLOSEST(ctrl->temp_time_inteval_ms *
(bbpll_freq / 1000UL), (1 << 29));
ad9361_spi_write(spi, REG_TEMP_OFFSET, ctrl->offset);
ad9361_spi_write(spi, REG_START_TEMP_READING, 0x00);
ad9361_spi_write(spi, REG_TEMP_SENSE2,
MEASUREMENT_TIME_INTERVAL(val) |
(ctrl->periodic_temp_measuremnt ?
TEMP_SENSE_PERIODIC_ENABLE : 0));
ad9361_spi_write(spi, REG_TEMP_SENSOR_CONFIG,
TEMP_SENSOR_DECIMATION(
ilog2(ctrl->temp_sensor_decimation) - 8));
ad9361_spi_write(spi, REG_AUXADC_CLOCK_DIVIDER,
bbpll_freq / ctrl->auxadc_clock_rate);
ad9361_spi_write(spi, REG_AUXADC_CONFIG,
AUX_ADC_DECIMATION(
ilog2(ctrl->auxadc_decimation) - 8));
return 0;
}
static int ad9361_get_temp(struct ad9361_rf_phy *phy)
{
s32 val;
ad9361_spi_writef(phy->spi, REG_AUXADC_CONFIG, AUXADC_POWER_DOWN, 1);
val = (s8) ad9361_spi_read(phy->spi, REG_TEMPERATURE);
ad9361_spi_writef(phy->spi, REG_AUXADC_CONFIG, AUXADC_POWER_DOWN, 0);
return DIV_ROUND_CLOSEST(val * 1000000, 1140);
}
static int ad9361_get_auxadc(struct ad9361_rf_phy *phy)
{
u32 val;
u8 buf[2];
ad9361_spi_writef(phy->spi, REG_AUXADC_CONFIG, AUXADC_POWER_DOWN, 1);
val = ad9361_spi_readm(phy->spi, REG_AUXADC_LSB, buf, 2);
ad9361_spi_writef(phy->spi, REG_AUXADC_CONFIG, AUXADC_POWER_DOWN, 0);
return (buf[1] << 4) | AUXADC_WORD_LSB(buf[0]);
}
//************************************************************
// Setup Control Outs
//************************************************************
int ad9361_ctrl_outs_setup(struct ad9361_rf_phy *phy,
struct ctrl_outs_control *ctrl)
{
struct spi_device *spi = phy->spi;
dev_dbg(&phy->spi->dev, "%s", __func__);
ad9361_spi_write(spi, REG_CTRL_OUTPUT_POINTER, ctrl->index); // Ctrl Out index
return ad9361_spi_write(spi, REG_CTRL_OUTPUT_ENABLE, ctrl->en_mask); // Ctrl Out [7:0] output enable
}
EXPORT_SYMBOL(ad9361_ctrl_outs_setup);
//************************************************************
// Setup GPO
//************************************************************
static int ad9361_gpo_setup(struct ad9361_rf_phy *phy, struct gpo_control *ctrl)
{
struct spi_device *spi = phy->spi;
dev_dbg(&phy->spi->dev, "%s", __func__);
ad9361_spi_write(spi, REG_AUTO_GPO,
GPO_ENABLE_AUTO_RX(ctrl->gpo0_slave_rx_en |
(ctrl->gpo1_slave_rx_en << 1) |
(ctrl->gpo2_slave_rx_en << 2) |
(ctrl->gpo3_slave_rx_en << 3)) |
GPO_ENABLE_AUTO_TX(ctrl->gpo0_slave_tx_en |
(ctrl->gpo1_slave_tx_en << 1) |
(ctrl->gpo2_slave_tx_en << 2) |
(ctrl->gpo3_slave_tx_en << 3)));
ad9361_spi_write(spi, REG_GPO_FORCE_AND_INIT,
GPO_MANUAL_CTRL(ctrl->gpo_manual_mode_enable_mask) |
GPO_INIT_STATE(ctrl->gpo0_inactive_state_high_en |
(ctrl->gpo1_inactive_state_high_en << 1) |
(ctrl->gpo2_inactive_state_high_en << 2) |
(ctrl->gpo3_inactive_state_high_en << 3)));
ad9361_spi_write(spi, REG_GPO0_RX_DELAY, ctrl->gpo0_rx_delay_us);
ad9361_spi_write(spi, REG_GPO0_TX_DELAY, ctrl->gpo0_tx_delay_us);
ad9361_spi_write(spi, REG_GPO1_RX_DELAY, ctrl->gpo1_rx_delay_us);
ad9361_spi_write(spi, REG_GPO1_TX_DELAY, ctrl->gpo1_tx_delay_us);
ad9361_spi_write(spi, REG_GPO2_RX_DELAY, ctrl->gpo2_rx_delay_us);
ad9361_spi_write(spi, REG_GPO2_TX_DELAY, ctrl->gpo2_tx_delay_us);
ad9361_spi_write(spi, REG_GPO3_RX_DELAY, ctrl->gpo3_rx_delay_us);
ad9361_spi_write(spi, REG_GPO3_TX_DELAY, ctrl->gpo3_tx_delay_us);
/*
* GPO manual mode conflicts with automatic ENSM slave and eLNA mode
*/
ad9361_spi_writef(phy->spi, REG_EXTERNAL_LNA_CTRL, GPO_MANUAL_SELECT,
ctrl->gpo_manual_mode_en);
return 0;
}
int ad9361_rssi_setup(struct ad9361_rf_phy *phy,
struct rssi_control *ctrl,
bool is_update)
{
struct spi_device *spi = phy->spi;
u32 total_weight, weight[4], total_dur = 0, temp;
u8 dur_buf[4] = {0};
int val, ret, i, j = 0;
u32 rssi_delay;
u32 rssi_wait;
s32 rssi_duration;
unsigned long rate;
dev_dbg(&phy->spi->dev, "%s", __func__);
if (ctrl->rssi_unit_is_rx_samples) {
if (is_update)
return 0; /* no update required */
rssi_delay = ctrl->rssi_delay;
rssi_wait = ctrl->rssi_wait;
rssi_duration = ctrl->rssi_duration;
} else {
/* update sample based on RX rate */
rate = DIV_ROUND_CLOSEST(
clk_get_rate(phy->clks[RX_SAMPL_CLK]), 1000);
/* units are in us */
rssi_delay = DIV_ROUND_CLOSEST(ctrl->rssi_delay * rate, 1000);
rssi_wait = DIV_ROUND_CLOSEST(ctrl->rssi_wait * rate, 1000);
rssi_duration = DIV_ROUND_CLOSEST(
ctrl->rssi_duration * rate, 1000);
}
if (ctrl->restart_mode == EN_AGC_PIN_IS_PULLED_HIGH)
rssi_delay = 0;
rssi_delay = clamp(rssi_delay / 8, 0U, 255U);
rssi_wait = clamp(rssi_wait / 4, 0U, 255U);
do {
for (i = 14; rssi_duration > 0 && i >= 0 ; i--) {
val = 1 << i;
if (rssi_duration >= val) {
dur_buf[j++] = i;
total_dur += val;
rssi_duration -= val;
break;
}
}
} while (j < 4 && rssi_duration > 0);
for (i = 0, total_weight = 0; i < 4; i++) {
if (i < j)
total_weight += weight[i] =
DIV_ROUND_CLOSEST(RSSI_MAX_WEIGHT *
(1 << dur_buf[i]), total_dur);
else
total_weight += weight[i] = 0;
}
/* total of all weights must be 0xFF */
val = total_weight - 0xFF;
weight[j - 1] -= val;
ad9361_spi_write(spi, REG_MEASURE_DURATION_01,
(dur_buf[1] << 4) | dur_buf[0]); // RSSI Measurement Duration 0, 1
ad9361_spi_write(spi, REG_MEASURE_DURATION_23,
(dur_buf[3] << 4) | dur_buf[2]); // RSSI Measurement Duration 2, 3
ad9361_spi_write(spi, REG_RSSI_WEIGHT_0, weight[0]); // RSSI Weighted Multiplier 0
ad9361_spi_write(spi, REG_RSSI_WEIGHT_1, weight[1]); // RSSI Weighted Multiplier 1
ad9361_spi_write(spi, REG_RSSI_WEIGHT_2, weight[2]); // RSSI Weighted Multiplier 2
ad9361_spi_write(spi, REG_RSSI_WEIGHT_3, weight[3]); // RSSI Weighted Multiplier 3
ad9361_spi_write(spi, REG_RSSI_DELAY, rssi_delay); // RSSI Delay
ad9361_spi_write(spi, REG_RSSI_WAIT_TIME, rssi_wait); // RSSI Wait
temp = RSSI_MODE_SELECT(ctrl->restart_mode);
if (ctrl->restart_mode == SPI_WRITE_TO_REGISTER)
temp |= START_RSSI_MEAS;
if (rssi_duration == 0 && j == 1) /* Power of two */
temp |= DEFAULT_RSSI_MEAS_MODE;
ret = ad9361_spi_write(spi, REG_RSSI_CONFIG, temp); // RSSI Mode Select
if (ret < 0)
dev_err(&phy->spi->dev, "Unable to write rssi config\n");
return 0;
}
EXPORT_SYMBOL(ad9361_rssi_setup);
static int ad9361_bb_clk_change_handler(struct ad9361_rf_phy *phy)
{
int ret;
ret = ad9361_gc_update(phy);
ret |= ad9361_rssi_setup(phy, &phy->pdata->rssi_ctrl, true);
ret |= ad9361_auxadc_setup(phy, &phy->pdata->auxadc_ctrl,
clk_get_rate(phy->clks[BBPLL_CLK]));
return ret;
}
static int ad9361_ensm_set_state(struct ad9361_rf_phy *phy, u8 ensm_state,
bool pinctrl)
{
struct ad9361_rf_phy_state *st = phy->state;
struct spi_device *spi = phy->spi;
struct device *dev = &phy->spi->dev;
int rc = 0;
u32 val;
dev_dbg(dev, "Device is in %x state, moving to %x\n", st->curr_ensm_state,
ensm_state);
if (st->curr_ensm_state == ENSM_STATE_SLEEP) {
ad9361_spi_write(spi, REG_CLOCK_ENABLE,
DIGITAL_POWER_UP | CLOCK_ENABLE_DFLT | BBPLL_ENABLE |
(phy->pdata->use_extclk ? XO_BYPASS : 0)); /* Enable Clocks */
udelay(20);
ad9361_spi_write(spi, REG_ENSM_CONFIG_1, TO_ALERT | FORCE_ALERT_STATE);
ad9361_trx_vco_cal_control(phy, false, true); /* Enable VCO Cal */
ad9361_trx_vco_cal_control(phy, true, true);
}
val = (phy->pdata->ensm_pin_pulse_mode ? 0 : LEVEL_MODE) |
(pinctrl ? ENABLE_ENSM_PIN_CTRL : 0) |
(st->txmon_tdd_en ? ENABLE_RX_DATA_PORT_FOR_CAL : 0) |
TO_ALERT;
switch (ensm_state) {
case ENSM_STATE_TX:
val |= FORCE_TX_ON;
if (phy->pdata->fdd)
rc = -EINVAL;
else if (st->curr_ensm_state != ENSM_STATE_ALERT)
rc = -EINVAL;
break;
case ENSM_STATE_RX:
val |= FORCE_RX_ON;
if (phy->pdata->fdd)
rc = -EINVAL;
else if (st->curr_ensm_state != ENSM_STATE_ALERT)
rc = -EINVAL;
break;
case ENSM_STATE_FDD:
val |= FORCE_TX_ON;
if (!phy->pdata->fdd)
rc = -EINVAL;
break;
case ENSM_STATE_ALERT:
val &= ~(FORCE_TX_ON | FORCE_RX_ON);
val |= TO_ALERT | FORCE_ALERT_STATE;
break;
case ENSM_STATE_SLEEP_WAIT:
break;
case ENSM_STATE_SLEEP:
ad9361_trx_vco_cal_control(phy, false, false); /* Disable VCO Cal */
ad9361_trx_vco_cal_control(phy, true, false);
ad9361_spi_write(spi, REG_ENSM_CONFIG_1, 0); /* Clear To Alert */
ad9361_spi_write(spi, REG_ENSM_CONFIG_1,
phy->pdata->fdd ? FORCE_TX_ON : FORCE_RX_ON);
/* Delay Flush Time 384 ADC clock cycles */
udelay(384000000UL / clk_get_rate(phy->clks[ADC_CLK]));
ad9361_spi_write(spi, REG_ENSM_CONFIG_1, 0); /* Move to Wait*/
udelay(1); /* Wait for ENSM settle */
ad9361_spi_write(spi, REG_CLOCK_ENABLE,
(phy->pdata->use_extclk ? XO_BYPASS : 0)); /* Turn off all clocks */
st->curr_ensm_state = ensm_state;
return 0;
default:
dev_err(dev, "No handling for forcing %d ensm state\n",
ensm_state);
goto out;
}
if (rc) {
if ((st->curr_ensm_state != ENSM_STATE_ALERT) && (val & (FORCE_RX_ON | FORCE_TX_ON))) {
u32 val2 = val;
val2 &= ~(FORCE_TX_ON | FORCE_RX_ON);
val2 |= TO_ALERT | FORCE_ALERT_STATE;
ad9361_spi_write(spi, REG_ENSM_CONFIG_1, val2);
ad9361_check_cal_done(phy, REG_STATE, ENSM_STATE(~0), ENSM_STATE_ALERT);
} else {
dev_err(dev, "Invalid ENSM state transition in %s mode\n",
phy->pdata->fdd ? "FDD" : "TDD");
goto out;
}
}
if (!phy->pdata->fdd && !pinctrl && !phy->pdata->tdd_use_dual_synth &&
(ensm_state == ENSM_STATE_TX || ensm_state == ENSM_STATE_RX)) {
ad9361_spi_writef(phy->spi, REG_ENSM_CONFIG_2,
TXNRX_SPI_CTRL, ensm_state == ENSM_STATE_TX);
ad9361_check_cal_done(phy, (ensm_state == ENSM_STATE_TX) ?
REG_TX_CP_OVERRANGE_VCO_LOCK :
REG_RX_CP_OVERRANGE_VCO_LOCK,
VCO_LOCK, 1);
}
rc = ad9361_spi_write(spi, REG_ENSM_CONFIG_1, val);
if (rc)
dev_err(dev, "Failed to restore state\n");
if ((val & FORCE_RX_ON) &&
(st->agc_mode[0] == RF_GAIN_MGC ||
st->agc_mode[1] == RF_GAIN_MGC)) {
u32 tmp = ad9361_spi_read(spi, REG_SMALL_LMT_OVERLOAD_THRESH);
ad9361_spi_write(spi, REG_SMALL_LMT_OVERLOAD_THRESH,
(tmp & SMALL_LMT_OVERLOAD_THRESH(~0)) |
(st->agc_mode[0] == RF_GAIN_MGC ? FORCE_PD_RESET_RX1 : 0) |
(st->agc_mode[1] == RF_GAIN_MGC ? FORCE_PD_RESET_RX2 : 0));
ad9361_spi_write(spi, REG_SMALL_LMT_OVERLOAD_THRESH,
tmp & SMALL_LMT_OVERLOAD_THRESH(~0));
}
st->curr_ensm_state = ensm_state;
out:
return rc;
}
static int ad9361_validate_trx_clock_chain(struct ad9361_rf_phy *phy,
unsigned long *rx_path_clks,
unsigned long *tx_path_clks)
{
static const unsigned long max_rx_rates[] = {MAX_BBPLL_FREQ, MAX_ADC_CLK,
MAX_RX_HB3, MAX_RX_HB2, MAX_RX_HB1, MAX_BASEBAND_RATE};
static const unsigned long max_tx_rates[] = {MAX_BBPLL_FREQ, MAX_DAC_CLK,
MAX_TX_HB3, MAX_TX_HB2, MAX_TX_HB1, MAX_BASEBAND_RATE};
int i, data_clk;
data_clk = (phy->pdata->rx2tx2 ? 4 : 2) /
((phy->pdata->port_ctrl.pp_conf[2] & LVDS_MODE) ? 1 : 2) *
rx_path_clks[RX_SAMPL_FREQ];
/* CMOS Mode */
if (!(phy->pdata->port_ctrl.pp_conf[2] & LVDS_MODE) &&
(data_clk > MAX_BASEBAND_RATE)) {
dev_err(&phy->spi->dev,
"%s: Failed CMOS MODE DATA_CLK > 61.44MSPS", __func__);
return -EINVAL;
}
/* Validate MAX PLL, ADC, DAC and HB filter rates */
for (i = 0; i < ARRAY_SIZE(max_rx_rates); i++) {
if (rx_path_clks[i] > max_rx_rates[i]) {
dev_err(&phy->spi->dev,
"%s: Failed RX max rate check (%lu > %lu)",
__func__, rx_path_clks[i], max_rx_rates[i]);
return -EINVAL;
}
if (tx_path_clks[i] > max_tx_rates[i]) {
dev_err(&phy->spi->dev,
"%s: Failed TX max rate check (%lu > %lu)",
__func__, tx_path_clks[i], max_tx_rates[i]);
return -EINVAL;
}
}
/* Validate that DATA_CLK exist within the clock chain */
for (i = 1; i <= 3; i++) {
if (abs(rx_path_clks[ADC_FREQ] / i - data_clk) < 4)
return 0;
}
for (i = 1; i <= 4; i++) {
if (abs((rx_path_clks[R2_FREQ] >> i) - data_clk) < 4)
return 0;
}
dev_err(&phy->spi->dev, "%s: Failed - at least one of the clock rates"
" must be equal to the DATA_CLK (lvds) rate", __func__);
return -EINVAL;
}
int ad9361_clk_set_rate(struct clk *clk, unsigned long rate) {
clk_set_rate(clk, rate);
return 0;
}
EXPORT_SYMBOL(ad9361_clk_set_rate);
static int ad9361_set_trx_clock_chain(struct ad9361_rf_phy *phy,
unsigned long *rx_path_clks,
unsigned long *tx_path_clks)
{
struct device *dev = &phy->spi->dev;
struct ad9361_rf_phy_state *st = phy->state;
int ret, i, j, n;
dev_dbg(&phy->spi->dev, "%s", __func__);
if (!rx_path_clks || !tx_path_clks)
return -EINVAL;
dev_dbg(&phy->spi->dev, "%s: %lu %lu %lu %lu %lu %lu",
__func__, rx_path_clks[BBPLL_FREQ], rx_path_clks[ADC_FREQ],
rx_path_clks[R2_FREQ], rx_path_clks[R1_FREQ],
rx_path_clks[CLKRF_FREQ], rx_path_clks[RX_SAMPL_FREQ]);
dev_dbg(&phy->spi->dev, "%s: %lu %lu %lu %lu %lu %lu",
__func__, tx_path_clks[BBPLL_FREQ], tx_path_clks[ADC_FREQ],
tx_path_clks[R2_FREQ], tx_path_clks[R1_FREQ],
tx_path_clks[CLKRF_FREQ], tx_path_clks[RX_SAMPL_FREQ]);
ret = ad9361_validate_trx_clock_chain(phy, rx_path_clks, tx_path_clks);
if (ret < 0)
return ret;
ret = clk_set_rate(phy->clks[BBPLL_CLK], rx_path_clks[BBPLL_FREQ]);
if (ret < 0)
return ret;
st->current_rx_path_clks[BBPLL_FREQ] = rx_path_clks[BBPLL_FREQ];
for (i = ADC_CLK, j = DAC_CLK, n = ADC_FREQ;
i <= RX_SAMPL_CLK; i++, j++, n++) {
ret = clk_set_rate(phy->clks[i], rx_path_clks[n]);
if (ret < 0) {
dev_err(dev, "Failed to set BB ref clock rate (%d)\n",
ret);
return ret;
}
st->current_rx_path_clks[n] = rx_path_clks[n];
ret = clk_set_rate(phy->clks[j], tx_path_clks[n]);
if (ret < 0) {
dev_err(dev, "Failed to set BB ref clock rate (%d)\n",
ret);
return ret;
}
st->current_tx_path_clks[n] = tx_path_clks[n];
}
/*
* Workaround for clock framework since clocks don't change we
* manually need to enable the filter
*/
if (st->rx_fir_dec == 1 || st->bypass_rx_fir) {
ad9361_spi_writef(phy->spi, REG_RX_ENABLE_FILTER_CTRL,
RX_FIR_ENABLE_DECIMATION(~0), !st->bypass_rx_fir);
}
if (st->tx_fir_int == 1 || st->bypass_tx_fir) {
ad9361_spi_writef(phy->spi, REG_TX_ENABLE_FILTER_CTRL,
TX_FIR_ENABLE_INTERPOLATION(~0), !st->bypass_tx_fir);
}
/* The FIR filter once enabled causes the interface timing to change.
* It's typically not a problem if the timing margin is big enough.
* However at 61.44 MSPS it causes problems on some systems.
* So we always run the digital tune in case the filter is enabled.
* If it is disabled we restore the values from the initial calibration.
*/
if (!phy->pdata->dig_interface_tune_fir_disable &&
!(st->bypass_tx_fir && st->bypass_rx_fir))
ret = ad9361_dig_tune(phy, 0, SKIP_STORE_RESULT);
return ad9361_bb_clk_change_handler(phy);
}
int ad9361_set_trx_clock_chain_default(struct ad9361_rf_phy *phy)
{
return ad9361_set_trx_clock_chain(phy,
phy->pdata->rx_path_clks,
phy->pdata->tx_path_clks);
}
EXPORT_SYMBOL(ad9361_set_trx_clock_chain_default);
bool ad9361_uses_rx2tx2(struct ad9361_rf_phy *phy)
{
return phy && phy->pdata && phy->pdata->rx2tx2;
}
EXPORT_SYMBOL(ad9361_uses_rx2tx2);
int ad9361_get_dig_tune_data(struct ad9361_rf_phy *phy,
struct ad9361_dig_tune_data *data)
{
struct ad9361_rf_phy_state *st;
if (!phy || !data)
return -EINVAL;
st = phy->state;
data->ensm_state = ad9361_ensm_get_state(phy);
data->bist_loopback_mode = st->bist_loopback_mode;
data->skip_mode = phy->pdata->dig_interface_tune_skipmode;
data->bist_config = st->bist_config;
return 0;
}
EXPORT_SYMBOL(ad9361_get_dig_tune_data);
bool ad9361_uses_lvds_mode(struct ad9361_rf_phy *phy)
{
return (phy && phy->pdata &&
!!(phy->pdata->port_ctrl.pp_conf[2] & LVDS_MODE));
}
EXPORT_SYMBOL(ad9361_uses_lvds_mode);
int ad9361_write_clock_data_delays(struct ad9361_rf_phy *phy)
{
if (!phy || !phy->pdata)
return -EINVAL;
ad9361_spi_write(phy->spi, REG_RX_CLOCK_DATA_DELAY,
phy->pdata->port_ctrl.rx_clk_data_delay);
ad9361_spi_write(phy->spi, REG_TX_CLOCK_DATA_DELAY,
phy->pdata->port_ctrl.tx_clk_data_delay);
return 0;
}
EXPORT_SYMBOL(ad9361_write_clock_data_delays);
int ad9361_read_clock_data_delays(struct ad9361_rf_phy *phy)
{
if (!phy || !phy->pdata)
return -EINVAL;
phy->pdata->port_ctrl.rx_clk_data_delay =
ad9361_spi_read(phy->spi, REG_RX_CLOCK_DATA_DELAY);
phy->pdata->port_ctrl.tx_clk_data_delay =
ad9361_spi_read(phy->spi, REG_TX_CLOCK_DATA_DELAY);
return 0;
}
EXPORT_SYMBOL(ad9361_read_clock_data_delays);
static int ad9361_get_trx_clock_chain(struct ad9361_rf_phy *phy, unsigned long *rx_path_clks,
unsigned long *tx_path_clks)
{
int i, j, n;
unsigned long bbpll_freq;
if (!rx_path_clks && !tx_path_clks)
return -EINVAL;
bbpll_freq = clk_get_rate(phy->clks[BBPLL_CLK]);
if (rx_path_clks)
rx_path_clks[BBPLL_FREQ] = bbpll_freq;
if (tx_path_clks)
tx_path_clks[BBPLL_FREQ] = bbpll_freq;
for (i = ADC_CLK, j = DAC_CLK, n = ADC_FREQ;
i <= RX_SAMPL_CLK; i++, j++, n++) {
if (rx_path_clks)
rx_path_clks[n] = clk_get_rate(phy->clks[i]);
if (tx_path_clks)
tx_path_clks[n] = clk_get_rate(phy->clks[j]);
}
return 0;
}
static int ad9361_calculate_rf_clock_chain(struct ad9361_rf_phy *phy,
unsigned long tx_sample_rate,
u32 rate_gov,
unsigned long *rx_path_clks,
unsigned long *tx_path_clks)
{
struct ad9361_rf_phy_state *st = phy->state;
unsigned long clktf, clkrf, adc_rate = 0, dac_rate = 0;
u64 bbpll_rate;
int i, index_rx = -1, index_tx = -1, tmp;
u32 div, tx_intdec, rx_intdec, recursion = 1;
const char clk_dividers[][4] = {
{12,3,2,2},
{8,2,2,2},
{6,3,1,2},
{4,2,2,1},
{3,3,1,1},
{2,2,1,1},
{1,1,1,1},
};
if (st->bypass_rx_fir)
rx_intdec = 1;
else
rx_intdec = st->rx_fir_dec;
if (st->bypass_tx_fir)
tx_intdec = 1;
else
tx_intdec = st->tx_fir_int;
if ((rate_gov == 1) && ((rx_intdec * tx_sample_rate * 8) < MIN_ADC_CLK)) {
recursion = 0;
rate_gov = 0;
}
dev_dbg(&phy->spi->dev, "%s: requested rate %lu TXFIR int %d RXFIR dec %d mode %s",
__func__, tx_sample_rate, tx_intdec, rx_intdec,
rate_gov ? "Nominal" : "Highest OSR");
if (tx_sample_rate > MAX_BASEBAND_RATE)
return -EINVAL;
clktf = tx_sample_rate * tx_intdec;
clkrf = tx_sample_rate * rx_intdec * (st->rx_eq_2tx ? 2 : 1);
for (i = rate_gov; i < 7; i++) {
adc_rate = clkrf * clk_dividers[i][0];
dac_rate = clktf * clk_dividers[i][0];
if ((adc_rate <= MAX_ADC_CLK) && (adc_rate >= MIN_ADC_CLK)) {
if (dac_rate > adc_rate)
tmp = (dac_rate / adc_rate) * -1;
else
tmp = adc_rate / dac_rate;
if (adc_rate <= MAX_DAC_CLK) {
index_rx = i;
index_tx = i - ((tmp == 1) ? 0 : tmp);
dac_rate = adc_rate; /* ADC_CLK */
break;
} else {
dac_rate = adc_rate / 2; /* ADC_CLK/2 */
index_rx = i;
if (i == 4 && tmp >= 0)
index_tx = 7; /* STOP: 3/2 != 1 */
else
index_tx = i + ((i == 5 && tmp >= 0) ? 1 : 2) -
((tmp == 1) ? 0 : tmp);
break;
}
}
}
if ((index_tx < 0 || index_tx > 6 || index_rx < 0 || index_rx > 6) && rate_gov < 7 && recursion) {
return ad9361_calculate_rf_clock_chain(phy, tx_sample_rate,
++rate_gov, rx_path_clks, tx_path_clks);
} else if ((index_tx < 0 || index_tx > 6 || index_rx < 0 || index_rx > 6)) {
dev_err(&phy->spi->dev, "%s: Failed to find suitable dividers: %s",
__func__, (adc_rate < MIN_ADC_CLK) ? "ADC clock below limit" : "BBPLL rate above limit");
return -EINVAL;
}
/* Calculate target BBPLL rate */
div = MAX_BBPLL_DIV;
do {
bbpll_rate = (u64)adc_rate * div;
div >>= 1;
} while ((bbpll_rate > MAX_BBPLL_FREQ) && (div >= MIN_BBPLL_DIV));
rx_path_clks[BBPLL_FREQ] = bbpll_rate;
rx_path_clks[ADC_FREQ] = adc_rate;
rx_path_clks[R2_FREQ] = rx_path_clks[ADC_FREQ] / clk_dividers[index_rx][1];
rx_path_clks[R1_FREQ] = rx_path_clks[R2_FREQ] / clk_dividers[index_rx][2];
rx_path_clks[CLKRF_FREQ] = rx_path_clks[R1_FREQ] / clk_dividers[index_rx][3];
rx_path_clks[RX_SAMPL_FREQ] = rx_path_clks[CLKRF_FREQ] / rx_intdec;
tx_path_clks[BBPLL_FREQ] = bbpll_rate;
tx_path_clks[DAC_FREQ] = dac_rate;
tx_path_clks[T2_FREQ] = tx_path_clks[DAC_FREQ] / clk_dividers[index_tx][1];
tx_path_clks[T1_FREQ] =tx_path_clks[T2_FREQ] / clk_dividers[index_tx][2];
tx_path_clks[CLKTF_FREQ] = tx_path_clks[T1_FREQ] / clk_dividers[index_tx][3];
tx_path_clks[TX_SAMPL_FREQ] = tx_path_clks[CLKTF_FREQ] / tx_intdec;
return 0;
}
int ad9361_set_trx_clock_chain_freq(struct ad9361_rf_phy *phy,
unsigned long freq)
{
struct ad9361_rf_phy_state *st = phy->state;
unsigned long rx[6], tx[6];
int ret;
ret = ad9361_calculate_rf_clock_chain(phy, freq,
st->rate_governor, rx, tx);
if (ret < 0)
return ret;
return ad9361_set_trx_clock_chain(phy, rx, tx);
}
EXPORT_SYMBOL(ad9361_set_trx_clock_chain_freq);
static int ad9361_set_ensm_mode(struct ad9361_rf_phy *phy, bool fdd, bool pinctrl)
{
struct ad9361_phy_platform_data *pd = phy->pdata;
int ret;
u32 val = 0;
ad9361_spi_write(phy->spi, REG_ENSM_MODE, fdd ? FDD_MODE : 0);
val = ad9361_spi_read(phy->spi, REG_ENSM_CONFIG_2);
val &= POWER_DOWN_RX_SYNTH | POWER_DOWN_TX_SYNTH;
if (fdd)
ret = ad9361_spi_write(phy->spi, REG_ENSM_CONFIG_2,
val | DUAL_SYNTH_MODE |
(pd->fdd_independent_mode ? FDD_EXTERNAL_CTRL_ENABLE : 0));
else
ret = ad9361_spi_write(phy->spi, REG_ENSM_CONFIG_2, val |
(pd->tdd_use_dual_synth ? DUAL_SYNTH_MODE : 0) |
(pd->tdd_use_dual_synth ? 0 :
(pinctrl ? SYNTH_ENABLE_PIN_CTRL_MODE : 0)));
return ret;
}
int ad9361_ensm_mode_disable_pinctrl(struct ad9361_rf_phy *phy)
{
if (!phy->pdata->fdd)
return ad9361_set_ensm_mode(phy, true, false);
return 0;
}
EXPORT_SYMBOL(ad9361_ensm_mode_disable_pinctrl);
int ad9361_ensm_mode_restore_pinctrl(struct ad9361_rf_phy *phy)
{
if (!phy->pdata->fdd)
return ad9361_set_ensm_mode(phy,
phy->pdata->fdd,
phy->pdata->ensm_pin_ctrl);
return 0;
}
EXPORT_SYMBOL(ad9361_ensm_mode_restore_pinctrl);
/* Fast Lock */
static int ad9361_fastlock_readval(struct spi_device *spi, bool tx,
u32 profile, u32 word)
{
u32 offs = 0;
if (tx)
offs = REG_TX_FAST_LOCK_SETUP - REG_RX_FAST_LOCK_SETUP;
ad9361_spi_write(spi, REG_RX_FAST_LOCK_PROGRAM_ADDR + offs,
RX_FAST_LOCK_PROFILE_ADDR(profile) |
RX_FAST_LOCK_PROFILE_WORD(word));
return ad9361_spi_read(spi, REG_RX_FAST_LOCK_PROGRAM_READ + offs);
}
static int ad9361_fastlock_writeval(struct spi_device *spi, bool tx,
u32 profile, u32 word, u8 val, bool last)
{
u32 offs = 0;
int ret;
if (tx)
offs = REG_TX_FAST_LOCK_SETUP - REG_RX_FAST_LOCK_SETUP;
ret = ad9361_spi_write(spi, REG_RX_FAST_LOCK_PROGRAM_ADDR + offs,
RX_FAST_LOCK_PROFILE_ADDR(profile) |
RX_FAST_LOCK_PROFILE_WORD(word));
ret |= ad9361_spi_write(spi, REG_RX_FAST_LOCK_PROGRAM_DATA + offs, val);
ret |= ad9361_spi_write(spi, REG_RX_FAST_LOCK_PROGRAM_CTRL + offs,
RX_FAST_LOCK_PROGRAM_WRITE |
RX_FAST_LOCK_PROGRAM_CLOCK_ENABLE);
if (last) /* Stop Clocks */
ret |= ad9361_spi_write(spi,
REG_RX_FAST_LOCK_PROGRAM_CTRL + offs, 0);
return ret;
}
static int ad9361_fastlock_load(struct ad9361_rf_phy *phy, bool tx,
u32 profile, u8 *values)
{
struct ad9361_rf_phy_state *st = phy->state;
u32 offs = 0;
int i, ret = 0;
u8 buf[4];
dev_dbg(&phy->spi->dev, "%s: %s Profile %d:",
__func__, tx ? "TX" : "RX", profile);
if (tx)
offs = REG_TX_FAST_LOCK_SETUP - REG_RX_FAST_LOCK_SETUP;
buf[0] = values[0];
buf[1] = RX_FAST_LOCK_PROFILE_ADDR(profile) | RX_FAST_LOCK_PROFILE_WORD(0);
ad9361_spi_writem(phy->spi, REG_RX_FAST_LOCK_PROGRAM_DATA + offs, buf, 2);
for (i = 1; i < RX_FAST_LOCK_CONFIG_WORD_NUM; i++) {
buf[0] = RX_FAST_LOCK_PROGRAM_WRITE | RX_FAST_LOCK_PROGRAM_CLOCK_ENABLE;
buf[1] = 0;
buf[2] = values[i];
buf[3] = RX_FAST_LOCK_PROFILE_ADDR(profile) | RX_FAST_LOCK_PROFILE_WORD(i);
ad9361_spi_writem(phy->spi, REG_RX_FAST_LOCK_PROGRAM_CTRL + offs, buf, 4);
}
ad9361_spi_write(phy->spi, REG_RX_FAST_LOCK_PROGRAM_CTRL + offs,
RX_FAST_LOCK_PROGRAM_WRITE | RX_FAST_LOCK_PROGRAM_CLOCK_ENABLE);
ad9361_spi_write(phy->spi, REG_RX_FAST_LOCK_PROGRAM_CTRL + offs, 0);
st->fastlock.entry[tx][profile].flags = FASTLOOK_INIT;
st->fastlock.entry[tx][profile].alc_orig = values[15];
st->fastlock.entry[tx][profile].alc_written = values[15];
return ret;
}
static int ad9361_fastlock_store(struct ad9361_rf_phy *phy, bool tx, u32 profile)
{
struct spi_device *spi = phy->spi;
u8 val[16];
u32 offs = 0, x, y;
dev_dbg(&phy->spi->dev, "%s: %s Profile %d:",
__func__, tx ? "TX" : "RX", profile);
if (tx)
offs = REG_TX_FAST_LOCK_SETUP - REG_RX_FAST_LOCK_SETUP;
val[0] = ad9361_spi_read(spi, REG_RX_INTEGER_BYTE_0 + offs);
val[1] = ad9361_spi_read(spi, REG_RX_INTEGER_BYTE_1 + offs);
val[2] = ad9361_spi_read(spi, REG_RX_FRACT_BYTE_0 + offs);
val[3] = ad9361_spi_read(spi, REG_RX_FRACT_BYTE_1 + offs);
val[4] = ad9361_spi_read(spi, REG_RX_FRACT_BYTE_2 + offs);
x = ad9361_spi_readf(spi, REG_RX_VCO_BIAS_1 + offs, VCO_BIAS_REF(~0));
y = ad9361_spi_readf(spi, REG_RX_ALC_VARACTOR + offs, VCO_VARACTOR(~0));
val[5] = (x << 4) | y;
x = ad9361_spi_readf(spi, REG_RX_VCO_BIAS_1 + offs, VCO_BIAS_TCF(~0));
y = ad9361_spi_readf(spi, REG_RX_CP_CURRENT + offs, CHARGE_PUMP_CURRENT(~0));
/* Wide BW option: N = 1
* Set init and steady state values to the same - let user space handle it
*/
val[6] = (x << 3) | y;
val[7] = y;
x = ad9361_spi_readf(spi, REG_RX_LOOP_FILTER_3 + offs, LOOP_FILTER_R3(~0));
val[8] = (x << 4) | x;
x = ad9361_spi_readf(spi, REG_RX_LOOP_FILTER_2 + offs, LOOP_FILTER_C3(~0));
val[9] = (x << 4) | x;
x = ad9361_spi_readf(spi, REG_RX_LOOP_FILTER_1 + offs, LOOP_FILTER_C1(~0));
y = ad9361_spi_readf(spi, REG_RX_LOOP_FILTER_1 + offs, LOOP_FILTER_C2(~0));
val[10] = (x << 4) | y;
x = ad9361_spi_readf(spi, REG_RX_LOOP_FILTER_2 + offs, LOOP_FILTER_R1(~0));
val[11] = (x << 4) | x;
x = ad9361_spi_readf(spi, REG_RX_VCO_VARACTOR_CTRL_0 + offs,
VCO_VARACTOR_REFERENCE_TCF(~0));
y = ad9361_spi_readf(spi, REG_RFPLL_DIVIDERS,
tx ? TX_VCO_DIVIDER(~0) : RX_VCO_DIVIDER(~0));
val[12] = (x << 4) | y;
x = ad9361_spi_readf(spi, REG_RX_FORCE_VCO_TUNE_1 + offs, VCO_CAL_OFFSET(~0));
y = ad9361_spi_readf(spi, REG_RX_VCO_VARACTOR_CTRL_1 + offs, VCO_VARACTOR_REFERENCE(~0));
val[13] = (x << 4) | y;
val[14] = ad9361_spi_read(spi, REG_RX_FORCE_VCO_TUNE_0 + offs);
x = ad9361_spi_readf(spi, REG_RX_FORCE_ALC + offs, FORCE_ALC_WORD(~0));
y = ad9361_spi_readf(spi, REG_RX_FORCE_VCO_TUNE_1 + offs, FORCE_VCO_TUNE);
val[15] = (x << 1) | y;
return ad9361_fastlock_load(phy, tx, profile, val);
}
static int ad9361_fastlock_prepare(struct ad9361_rf_phy *phy, bool tx,
u32 profile, bool prepare)
{
struct ad9361_rf_phy_state *st = phy->state;
u32 offs, ready_mask;
bool is_prepared;
dev_dbg(&phy->spi->dev, "%s: %s Profile %d: %s",
__func__, tx ? "TX" : "RX", profile,
prepare ? "Prepare" : "Un-Prepare");
if (tx) {
offs = REG_TX_FAST_LOCK_SETUP - REG_RX_FAST_LOCK_SETUP;
ready_mask = TX_SYNTH_READY_MASK;
} else {
offs = 0;
ready_mask = RX_SYNTH_READY_MASK;
}
is_prepared = !!st->fastlock.current_profile[tx];
if (prepare && !is_prepared) {
ad9361_spi_write(phy->spi,
REG_RX_FAST_LOCK_SETUP_INIT_DELAY + offs,
(tx ? phy->pdata->tx_fastlock_delay_ns :
phy->pdata->rx_fastlock_delay_ns) / 250);
ad9361_spi_write(phy->spi, REG_RX_FAST_LOCK_SETUP + offs,
RX_FAST_LOCK_PROFILE(profile) |
RX_FAST_LOCK_MODE_ENABLE);
ad9361_spi_write(phy->spi, REG_RX_FAST_LOCK_PROGRAM_CTRL + offs,
0);
ad9361_spi_writef(phy->spi, REG_ENSM_CONFIG_2, ready_mask, 1);
ad9361_trx_vco_cal_control(phy, tx, false);
} else if (!prepare && is_prepared) {
ad9361_spi_write(phy->spi, REG_RX_FAST_LOCK_SETUP + offs, 0);
/* Workaround: Exiting Fastlock Mode */
ad9361_spi_writef(phy->spi, REG_RX_FORCE_ALC + offs, FORCE_ALC_ENABLE, 1);
ad9361_spi_writef(phy->spi, REG_RX_FORCE_VCO_TUNE_1 + offs, FORCE_VCO_TUNE, 1);
ad9361_spi_writef(phy->spi, REG_RX_FORCE_ALC + offs, FORCE_ALC_ENABLE, 0);
ad9361_spi_writef(phy->spi, REG_RX_FORCE_VCO_TUNE_1 + offs, FORCE_VCO_TUNE, 0);
ad9361_trx_vco_cal_control(phy, tx, true);
ad9361_spi_writef(phy->spi, REG_ENSM_CONFIG_2, ready_mask, 0);
st->fastlock.current_profile[tx] = 0;
}
return 0;
}
static int ad9361_fastlock_recall(struct ad9361_rf_phy *phy, bool tx, u32 profile)
{
struct ad9361_rf_phy_state *st = phy->state;
u32 offs = 0;
u8 curr, new, orig, current_profile;
dev_dbg(&phy->spi->dev, "%s: %s Profile %d:",
__func__, tx ? "TX" : "RX", profile);
if (tx)
offs = REG_TX_FAST_LOCK_SETUP - REG_RX_FAST_LOCK_SETUP;
if (st->fastlock.entry[tx][profile].flags != FASTLOOK_INIT)
return -EINVAL;
/* Workaround: Lock problem with same ALC word */
current_profile = st->fastlock.current_profile[tx];
new = st->fastlock.entry[tx][profile].alc_written;
if (current_profile == 0)
curr = ad9361_spi_readf(phy->spi, REG_RX_FORCE_ALC + offs,
FORCE_ALC_WORD(~0)) << 1;
else
curr = st->fastlock.entry[tx][current_profile - 1].alc_written;
if ((curr >> 1) == (new >> 1)) {
orig = st->fastlock.entry[tx][profile].alc_orig;
if ((orig >> 1) == (new >> 1))
st->fastlock.entry[tx][profile].alc_written += 2;
else
st->fastlock.entry[tx][profile].alc_written = orig;
ad9361_fastlock_writeval(phy->spi, tx, profile, 0xF,
st->fastlock.entry[tx][profile].alc_written, true);
}
ad9361_fastlock_prepare(phy, tx, profile, true);
st->fastlock.current_profile[tx] = profile + 1;
return ad9361_spi_write(phy->spi, REG_RX_FAST_LOCK_SETUP + offs,
RX_FAST_LOCK_PROFILE(profile) |
(phy->pdata->trx_fastlock_pinctrl_en[tx] ?
RX_FAST_LOCK_PROFILE_PIN_SELECT : 0) |
RX_FAST_LOCK_MODE_ENABLE);
}
static int ad9361_fastlock_save(struct ad9361_rf_phy *phy, bool tx,
u32 profile, u8 *values)
{
int i;
dev_dbg(&phy->spi->dev, "%s: %s Profile %d:",
__func__, tx ? "TX" : "RX", profile);
for (i = 0; i < RX_FAST_LOCK_CONFIG_WORD_NUM; i++)
values[i] = ad9361_fastlock_readval(phy->spi, tx, profile, i);
return 0;
}
static int ad9361_mcs(struct ad9361_rf_phy *phy, unsigned step)
{
unsigned mcs_mask = MCS_RF_ENABLE | MCS_BBPLL_ENABLE |
MCS_DIGITAL_CLK_ENABLE | MCS_BB_ENABLE;
dev_dbg(&phy->spi->dev, "%s: MCS step %d", __func__, step);
switch(spi_get_device_id(phy->spi)->driver_data) {
case ID_AD9363A:
return -ENODEV;
}
switch (step) {
case 1:
/* REVIST:
* POWER_DOWN_TRX_SYNTH and MCS_RF_ENABLE somehow conflict
*/
ad9361_spi_writef(phy->spi, REG_ENSM_CONFIG_2,
POWER_DOWN_TX_SYNTH | POWER_DOWN_RX_SYNTH, 0);
ad9361_spi_writef(phy->spi, REG_MULTICHIP_SYNC_AND_TX_MON_CTRL,
mcs_mask, MCS_BB_ENABLE | MCS_BBPLL_ENABLE | MCS_RF_ENABLE);
ad9361_spi_writef(phy->spi, REG_CP_BLEED_CURRENT,
MCS_REFCLK_SCALE_EN, 1);
break;
case 2:
if (!phy->pdata->sync_gpio)
break;
/*
* NOTE: This is not a regular GPIO -
* HDL ensures Multi-chip Synchronization SYNC_IN Pulse Timing
* relative to rising and falling edge of REF_CLK
*/
gpiod_set_value(phy->pdata->sync_gpio, 1);
gpiod_set_value(phy->pdata->sync_gpio, 0);
break;
case 3:
ad9361_spi_writef(phy->spi, REG_MULTICHIP_SYNC_AND_TX_MON_CTRL,
mcs_mask, MCS_BB_ENABLE | MCS_DIGITAL_CLK_ENABLE | MCS_RF_ENABLE);
break;
case 4:
if (!phy->pdata->sync_gpio)
break;
gpiod_set_value(phy->pdata->sync_gpio, 1);
gpiod_set_value(phy->pdata->sync_gpio, 0);
break;
case 5:
ad9361_spi_writef(phy->spi, REG_MULTICHIP_SYNC_AND_TX_MON_CTRL,
mcs_mask, MCS_RF_ENABLE);
break;
}
return 0;
}
static int ad9361_rssi_write_err_tbl(struct ad9361_rf_phy *phy)
{
u8 i;
ad9361_spi_write(phy->spi,
REG_CONFIG, CALIB_TABLE_SELECT(0x3) | START_CALIB_TABLE_CLOCK);
for(i = 0; i < 4; i++) {
ad9361_spi_write(phy->spi, REG_WORD_ADDRESS, i);
ad9361_spi_write(phy->spi, REG_GAIN_DIFF_WORDERROR_WRITE,
phy->pdata->rssi_lna_err_tbl[i]);
ad9361_spi_write(phy->spi, REG_CONFIG,
CALIB_TABLE_SELECT(0x3) | WRITE_LNA_ERROR_TABLE | START_CALIB_TABLE_CLOCK);
}
ad9361_spi_write(phy->spi, REG_CONFIG,
CALIB_TABLE_SELECT(0x3) | START_CALIB_TABLE_CLOCK);
for(i = 0; i < 16; i++) {
ad9361_spi_write(phy->spi, REG_WORD_ADDRESS, i);
ad9361_spi_write(phy->spi, REG_GAIN_DIFF_WORDERROR_WRITE,
phy->pdata->rssi_mixer_err_tbl[i]);
ad9361_spi_write(phy->spi, REG_CONFIG,
CALIB_TABLE_SELECT(0x3) | WRITE_MIXER_ERROR_TABLE | START_CALIB_TABLE_CLOCK);
}
ad9361_spi_write(phy->spi, REG_CONFIG, 0x00);
return 0;
}
static int ad9361_rssi_program_lna_gain(struct ad9361_rf_phy *phy)
{
u8 i;
ad9361_spi_write(phy->spi, REG_LNA_GAIN,
phy->pdata->rssi_gain_step_calib_reg_val[0]);
/* Program the LNA gain step words into the internal table. */
ad9361_spi_write(phy->spi, REG_CONFIG,
CALIB_TABLE_SELECT(0x3) | START_CALIB_TABLE_CLOCK);
for(i = 0; i < 4; i++) {
ad9361_spi_write(phy->spi, REG_WORD_ADDRESS, i);
ad9361_spi_write(phy->spi, REG_GAIN_DIFF_WORDERROR_WRITE,
phy->pdata->rssi_gain_step_calib_reg_val[i+1]);
ad9361_spi_write(phy->spi, REG_CONFIG,
CALIB_TABLE_SELECT(0x3) | WRITE_LNA_GAIN_DIFF |
START_CALIB_TABLE_CLOCK);
udelay(3); //Wait for data to fully write to internal table
}
return 0;
}
static int ad9361_rssi_gain_step_calib(struct ad9361_rf_phy *phy)
{
/*
* Before running the function, provide a single tone within the channel
* bandwidth and monitor the received data. Adjust the tone amplitude until
* the received data is within a few dB of full scale but not overloading.
*/
u64 lo_freq_hz;
u8 lo_index;
u8 i;
int ret;
lo_freq_hz = ad9361_from_clk(clk_get_rate(phy->clks[RX_RFPLL]));
if (lo_freq_hz < 1300000000ULL)
lo_index = 0;
else
if (lo_freq_hz < 3300000000ULL)
lo_index = 1;
else
if (lo_freq_hz < 4100000000ULL)
lo_index = 2;
else
lo_index = 3;
for(i = 0; i < 4; i++)
phy->pdata->rssi_gain_step_calib_reg_val[i] =
gain_step_calib_reg_val[lo_index][i];
/* Put the AD9361 into the Alert state. */
ad9361_ensm_force_state(phy, ENSM_STATE_ALERT);
/* Program the directly-addressable register values. */
ad9361_spi_write(phy->spi, REG_MAX_MIXER_CALIBRATION_GAIN_INDEX,
MAX_MIXER_CALIBRATION_GAIN_INDEX(0x0F));
ad9361_spi_write(phy->spi, REG_MEASURE_DURATION,
GAIN_CAL_MEAS_DURATION(0x0E));
ad9361_spi_write(phy->spi, REG_SETTLE_TIME,
SETTLE_TIME(0x3F));
ad9361_spi_write(phy->spi, REG_RSSI_CONFIG,
RSSI_MODE_SELECT(0x3) | DEFAULT_RSSI_MEAS_MODE);
ad9361_spi_write(phy->spi, REG_MEASURE_DURATION_01,
MEASUREMENT_DURATION_0(0x0E));
ad9361_rssi_program_lna_gain(phy);
ad9361_spi_write(phy->spi, REG_CONFIG, START_CALIB_TABLE_CLOCK);
ad9361_spi_write(phy->spi, REG_CONFIG, 0x00);
/* Run and wait until the calibration completes. */
ret = ad9361_run_calibration(phy, RX_GAIN_STEP_CAL);
/* Read the LNA and Mixer error terms into nonvolatile memory. */
ad9361_spi_write(phy->spi, REG_CONFIG, CALIB_TABLE_SELECT(0x1) | READ_SELECT);
for(i = 0; i < 4; i++) {
ad9361_spi_write(phy->spi, REG_WORD_ADDRESS, i);
phy->pdata->rssi_lna_err_tbl[i] =
ad9361_spi_read(phy->spi, REG_GAIN_ERROR_READ);
}
ad9361_spi_write(phy->spi, REG_CONFIG, CALIB_TABLE_SELECT(0x1));
for(i = 0; i < 16; i++) {
ad9361_spi_write(phy->spi, REG_WORD_ADDRESS, i);
phy->pdata->rssi_mixer_err_tbl[i] =
ad9361_spi_read(phy->spi, REG_GAIN_ERROR_READ);
}
ad9361_spi_write(phy->spi, REG_CONFIG, 0x00);
/* Programming gain step errors into the AD9361 in the field */
ad9361_rssi_write_err_tbl(phy);
ad9361_spi_write(phy->spi, REG_SETTLE_TIME,
ENABLE_DIG_GAIN_CORR | SETTLE_TIME(0x10));
ad9361_ensm_restore_prev_state(phy);
return ret;
}
static void ad9361_init_state(struct ad9361_rf_phy *phy)
{
struct ad9361_rf_phy_state *st = phy->state;
st->current_table = -1;
st->bypass_tx_fir = true;
st->bypass_rx_fir = true;
st->rate_governor = 1;
st->rfdc_track_en = true;
st->bbdc_track_en = true;
st->quad_track_en = true;
}
static void ad9361_clear_state(struct ad9361_rf_phy *phy)
{
struct ad9361_rf_phy_state *st = phy->state;
memset(st, 0, sizeof(*st));
ad9361_init_state(phy);
}
static unsigned long ad9361_ref_div_sel(unsigned long refin_Hz, unsigned long max)
{
if (refin_Hz <= (max / 2))
return 2 * refin_Hz;
else if (refin_Hz <= max)
return refin_Hz;
else if (refin_Hz <= (max * 2))
return refin_Hz / 2;
else if (refin_Hz <= (max * 4))
return refin_Hz / 4;
else
return 0;
}
static int ad9361_setup(struct ad9361_rf_phy *phy)
{
struct ad9361_rf_phy_state *st = phy->state;
unsigned long refin_Hz, ref_freq, bbpll_freq;
struct device *dev = &phy->spi->dev;
struct spi_device *spi = phy->spi;
struct ad9361_phy_platform_data *pd = phy->pdata;
u32 real_rx_bandwidth, real_tx_bandwidth;
int ret;
pd->rf_rx_bandwidth_Hz = ad9361_validate_rf_bw(phy, pd->rf_rx_bandwidth_Hz);
pd->rf_tx_bandwidth_Hz = ad9361_validate_rf_bw(phy, pd->rf_tx_bandwidth_Hz);
real_rx_bandwidth = pd->rf_rx_bandwidth_Hz / 2;
real_tx_bandwidth = pd->rf_tx_bandwidth_Hz / 2;
dev_dbg(dev, "%s", __func__);
if (pd->fdd) {
pd->tdd_skip_vco_cal = false;
if (pd->ensm_pin_ctrl && pd->fdd_independent_mode) {
dev_warn(dev,
"%s: Either set ENSM PINCTRL or FDD Independent Mode",
__func__);
pd->ensm_pin_ctrl = false;
}
}
ret = ad9361_auxdac_setup(phy, &pd->auxdac_ctrl);
if (ret < 0)
return ret;
ret = ad9361_gpo_setup(phy, &pd->gpo_ctrl);
if (ret < 0)
return ret;
if (pd->port_ctrl.pp_conf[2] & FDD_RX_RATE_2TX_RATE)
st->rx_eq_2tx = true;
ad9361_spi_write(spi, REG_CTRL, CTRL_ENABLE);
ad9361_spi_write(spi, REG_BANDGAP_CONFIG0, MASTER_BIAS_TRIM(0x0E)); /* Enable Master Bias */
ad9361_spi_write(spi, REG_BANDGAP_CONFIG1, BANDGAP_TEMP_TRIM(0x0E)); /* Set Bandgap Trim */
ad9361_set_dcxo_tune(phy, pd->dcxo_coarse, pd->dcxo_fine);
refin_Hz = clk_get_rate(phy->clk_refin);
ref_freq = ad9361_ref_div_sel(refin_Hz, MAX_BBPLL_FREF);
if (!ref_freq)
return -EINVAL;
ad9361_spi_writef(spi, REG_REF_DIVIDE_CONFIG_1, RX_REF_RESET_BAR, 1);
ad9361_spi_writef(spi, REG_REF_DIVIDE_CONFIG_2, TX_REF_RESET_BAR, 1);
ad9361_spi_writef(spi, REG_REF_DIVIDE_CONFIG_2,
TX_REF_DOUBLER_FB_DELAY(~0), 3); /* FB DELAY */
ad9361_spi_writef(spi, REG_REF_DIVIDE_CONFIG_2,
RX_REF_DOUBLER_FB_DELAY(~0), 3); /* FB DELAY */
ad9361_spi_write(spi, REG_CLOCK_ENABLE,
DIGITAL_POWER_UP | CLOCK_ENABLE_DFLT | BBPLL_ENABLE |
(pd->use_extclk ? XO_BYPASS : 0)); /* Enable Clocks */
ret = clk_prepare_enable(phy->clk_refin);
if (ret < 0)
return ret;
ret = clk_set_rate(phy->clks[BB_REFCLK], ref_freq);
if (ret < 0) {
dev_err(dev, "Failed to set BB ref clock rate (%d)\n",
ret);
return ret;
}
ad9361_spi_write(spi, REG_FRACT_BB_FREQ_WORD_2, 0x12);
ad9361_spi_write(spi, REG_FRACT_BB_FREQ_WORD_3, 0x34);
ret = ad9361_set_trx_clock_chain_default(phy);
if (ret < 0)
return ret;
if (!pd->rx2tx2) {
pd->rx1tx1_mode_use_tx_num =
clamp_t(u32, pd->rx1tx1_mode_use_tx_num, TX_1, TX_2);
pd->rx1tx1_mode_use_rx_num =
clamp_t(u32, pd->rx1tx1_mode_use_rx_num, RX_1, RX_2);
ad9361_en_dis_tx(phy, TX_1 | TX_2, pd->rx1tx1_mode_use_tx_num);
ad9361_en_dis_rx(phy, TX_1 | TX_2, pd->rx1tx1_mode_use_rx_num);
} else {
ad9361_en_dis_tx(phy, TX_1 | TX_2, TX_1 | TX_2);
ad9361_en_dis_rx(phy, RX_1 | RX_2, RX_1 | RX_2);
}
ret = ad9361_rf_port_setup(phy, true, st->rf_rx_input_sel,
st->rf_tx_output_sel);
if (ret < 0)
return ret;
ret = ad9361_pp_port_setup(phy, false);
if (ret < 0)
return ret;
bbpll_freq = clk_get_rate(phy->clks[BBPLL_CLK]);
ret = ad9361_auxadc_setup(phy, &pd->auxadc_ctrl, bbpll_freq);
if (ret < 0)
return ret;
ret = ad9361_ctrl_outs_setup(phy, &pd->ctrl_outs_ctrl);
if (ret < 0)
return ret;
ret = ad9361_set_ref_clk_cycles(phy, refin_Hz);
if (ret < 0)
return ret;
ret = ad9361_setup_ext_lna(phy, &pd->elna_ctrl);
if (ret < 0)
return ret;
/*
* This allows forcing a lower F_REF window
* (worse phase noise, better fractional spurs)
*/
pd->trx_synth_max_fref = clamp_t(u32, pd->trx_synth_max_fref,
MIN_SYNTH_FREF, MAX_SYNTH_FREF);
ref_freq = ad9361_ref_div_sel(refin_Hz, pd->trx_synth_max_fref);
if (!ref_freq)
return -EINVAL;
clk_set_parent(phy->clks[TX_RFPLL], phy->clks[TX_RFPLL_INT]);
clk_set_parent(phy->clks[RX_RFPLL], phy->clks[RX_RFPLL_INT]);
ret = clk_set_rate(phy->clks[RX_REFCLK], ref_freq);
if (ret < 0) {
dev_err(dev, "Failed to set RX Synth ref clock rate (%d)\n", ret);
return ret;
}
ret = clk_set_rate(phy->clks[TX_REFCLK], ref_freq);
if (ret < 0) {
dev_err(dev, "Failed to set TX Synth ref clock rate (%d)\n", ret);
return ret;
}
ret = ad9361_txrx_synth_cp_calib(phy, ref_freq, false); /* RXCP */
if (ret < 0)
return ret;
ret = ad9361_txrx_synth_cp_calib(phy, ref_freq, true); /* TXCP */
if (ret < 0)
return ret;
ret = clk_set_rate(phy->clks[RX_RFPLL], ad9361_to_clk(pd->rx_synth_freq));
if (ret < 0) {
dev_err(dev, "Failed to set RX Synth rate (%d)\n",
ret);
return ret;
}
ret = clk_prepare_enable(phy->clks[RX_RFPLL]);
if (ret < 0)
return ret;
/* Skip quad cal here we do it later again */
st->last_tx_quad_cal_freq = pd->tx_synth_freq;
ret = clk_set_rate(phy->clks[TX_RFPLL], ad9361_to_clk(pd->tx_synth_freq));
if (ret < 0) {
dev_err(dev, "Failed to set TX Synth rate (%d)\n",
ret);
return ret;
}
ret = clk_prepare_enable(phy->clks[TX_RFPLL]);
if (ret < 0)
return ret;
clk_set_parent(phy->clks[RX_RFPLL],
pd->use_ext_rx_lo ? phy->clk_ext_lo_rx :
phy->clks[RX_RFPLL_INT]);
clk_set_parent(phy->clks[TX_RFPLL],
pd->use_ext_tx_lo ? phy->clk_ext_lo_tx :
phy->clks[TX_RFPLL_INT]);
ret = ad9361_load_mixer_gm_subtable(phy);
if (ret < 0)
return ret;
ret = ad9361_gc_setup(phy, &pd->gain_ctrl);
if (ret < 0)
return ret;
ret = ad9361_rx_bb_analog_filter_calib(phy,
real_rx_bandwidth,
bbpll_freq);
if (ret < 0)
return ret;
ret = ad9361_tx_bb_analog_filter_calib(phy,
real_tx_bandwidth,
bbpll_freq);
if (ret < 0)
return ret;
ret = ad9361_rx_tia_calib(phy, real_rx_bandwidth);
if (ret < 0)
return ret;
ret = ad9361_tx_bb_second_filter_calib(phy, real_tx_bandwidth);
if (ret < 0)
return ret;
ret = ad9361_rx_adc_setup(phy,
bbpll_freq,
clk_get_rate(phy->clks[ADC_CLK]));
if (ret < 0)
return ret;
ret = ad9361_bb_dc_offset_calib(phy);
if (ret < 0)
return ret;
ret = ad9361_rf_dc_offset_calib(phy,
ad9361_from_clk(clk_get_rate(phy->clks[RX_RFPLL])));
if (ret < 0)
return ret;
st->current_rx_bw_Hz = pd->rf_rx_bandwidth_Hz;
st->current_tx_bw_Hz = pd->rf_tx_bandwidth_Hz;
st->last_tx_quad_cal_phase = ~0;
ret = ad9361_tx_quad_calib(phy, real_rx_bandwidth, real_tx_bandwidth, -1);
if (ret < 0)
return ret;
ret = ad9361_tracking_control(phy, st->bbdc_track_en,
st->rfdc_track_en, st->quad_track_en);
if (ret < 0)
return ret;
ad9361_pp_port_setup(phy, true);
ret = ad9361_set_ensm_mode(phy, pd->fdd, pd->ensm_pin_ctrl);
if (ret < 0)
return ret;
ad9361_spi_writef(phy->spi, REG_TX_ATTEN_OFFSET,
MASK_CLR_ATTEN_UPDATE, 0);
ret = ad9361_set_tx_atten(phy, pd->tx_atten,
pd->rx2tx2 ? true : pd->rx1tx1_mode_use_tx_num == 1,
pd->rx2tx2 ? true : pd->rx1tx1_mode_use_tx_num == 2, true);
if (ret < 0)
return ret;
if (!pd->rx2tx2) {
ret = ad9361_set_tx_atten(phy, 89750,
pd->rx1tx1_mode_use_tx_num == 2,
pd->rx1tx1_mode_use_tx_num == 1, true);
if (ret < 0)
return ret;
}
ret = ad9361_rssi_setup(phy, &pd->rssi_ctrl, false);
if (ret < 0)
return ret;
ret = ad9361_clkout_control(phy, pd->ad9361_clkout_mode);
if (ret < 0)
return ret;
ret = ad9361_txmon_setup(phy, &pd->txmon_ctrl);
if (ret < 0)
return ret;
st->curr_ensm_state = ad9361_spi_readf(spi, REG_STATE, ENSM_STATE(~0));
ad9361_ensm_set_state(phy, pd->fdd ? ENSM_STATE_FDD : ENSM_STATE_RX,
pd->ensm_pin_ctrl);
st->auto_cal_en = true;
st->cal_threshold_freq = 100000000ULL; /* 100 MHz */
if (!pd->rssi_skip_calib) {
ad9361_ensm_force_state(phy, ENSM_STATE_ALERT);
ad9361_rssi_program_lna_gain(phy);
ad9361_rssi_write_err_tbl(phy);
ad9361_spi_write(phy->spi, REG_SETTLE_TIME,
ENABLE_DIG_GAIN_CORR | SETTLE_TIME(0x10));
ad9361_ensm_restore_prev_state(phy);
}
return 0;
}
static int ad9361_do_calib_run(struct ad9361_rf_phy *phy, u32 cal, int arg)
{
struct ad9361_rf_phy_state *st = phy->state;
int ret;
dev_dbg(&phy->spi->dev, "%s: CAL %u ARG %d", __func__, cal, arg);
ret = ad9361_tracking_control(phy, false, false, false);
if (ret < 0)
return ret;
ad9361_ensm_force_state(phy, ENSM_STATE_ALERT);
switch (cal) {
case TX_QUAD_CAL:
ret = ad9361_tx_quad_calib(phy, st->current_rx_bw_Hz / 2,
st->current_tx_bw_Hz / 2, arg);
break;
case RFDC_CAL:
ret = ad9361_rf_dc_offset_calib(phy,
ad9361_from_clk(clk_get_rate(phy->clks[RX_RFPLL])));
break;
default:
ret = -EINVAL;
break;
}
ret = ad9361_tracking_control(phy, st->bbdc_track_en,
st->rfdc_track_en, st->quad_track_en);
ad9361_ensm_restore_prev_state(phy);
return ret;
}
int ad9361_update_rf_bandwidth(struct ad9361_rf_phy *phy,
u32 rf_rx_bw, u32 rf_tx_bw)
{
struct ad9361_rf_phy_state *st = phy->state;
int ret;
ret = ad9361_tracking_control(phy, false, false, false);
if (ret < 0)
return ret;
ad9361_ensm_force_state(phy, ENSM_STATE_ALERT);
ret = __ad9361_update_rf_bandwidth(phy, rf_rx_bw, rf_tx_bw);
if (ret < 0)
return ret;
st->current_rx_bw_Hz = rf_rx_bw;
st->current_tx_bw_Hz = rf_tx_bw;
if (st->manual_tx_quad_cal_en == false) {
ret = ad9361_tx_quad_calib(phy, rf_rx_bw / 2, rf_tx_bw / 2, -1);
if (ret < 0)
return ret;
}
ret = ad9361_tracking_control(phy, st->bbdc_track_en,
st->rfdc_track_en, st->quad_track_en);
if (ret < 0)
return ret;
ad9361_ensm_restore_prev_state(phy);
return 0;
}
EXPORT_SYMBOL(ad9361_update_rf_bandwidth);
static int ad9361_verify_fir_filter_coef(struct ad9361_rf_phy *phy,
enum fir_dest dest,
u32 ntaps, short *coef)
{
struct spi_device *spi = phy->spi;
u32 val, offs = 0, gain = 0, conf, sel, cnt;
int ret = 0;
#ifndef DEBUG
return 0;
#endif
dev_dbg(&phy->spi->dev, "%s: TAPS %d, dest %d",
__func__, ntaps, dest);
if (dest & FIR_IS_RX) {
gain = ad9361_spi_read(spi, REG_RX_FILTER_GAIN);
offs = REG_RX_FILTER_COEF_ADDR - REG_TX_FILTER_COEF_ADDR;
ad9361_spi_write(spi, REG_RX_FILTER_GAIN, 0);
}
conf = ad9361_spi_read(spi, REG_TX_FILTER_CONF + offs);
if ((dest & 3) == 3) {
sel = 1;
cnt = 2;
} else {
sel = (dest & 3);
cnt = 1;
}
for (; cnt > 0; cnt--, sel++) {
ad9361_spi_write(spi, REG_TX_FILTER_CONF + offs,
FIR_NUM_TAPS(ntaps / 16 - 1) |
FIR_SELECT(sel) | FIR_START_CLK);
for (val = 0; val < ntaps; val++) {
short tmp;
ad9361_spi_write(spi, REG_TX_FILTER_COEF_ADDR + offs, val);
tmp = (ad9361_spi_read(spi, REG_TX_FILTER_COEF_READ_DATA_1 + offs) & 0xFF) |
(ad9361_spi_read(spi, REG_TX_FILTER_COEF_READ_DATA_2 + offs) << 8);
if (tmp != coef[val]) {
dev_err(&phy->spi->dev,"%s%d read verify failed TAP%d %d =! %d \n",
(dest & FIR_IS_RX) ? "RX" : "TX", sel,
val, tmp, coef[val]);
ret = -EIO;
}
}
}
if (dest & FIR_IS_RX) {
ad9361_spi_write(spi, REG_RX_FILTER_GAIN, gain);
}
ad9361_spi_write(spi, REG_TX_FILTER_CONF + offs, conf);
return ret;
}
static int ad9361_load_fir_filter_coef(struct ad9361_rf_phy *phy,
enum fir_dest dest, int gain_dB,
u32 ntaps, short *coef)
{
struct ad9361_rf_phy_state *st = phy->state;
struct spi_device *spi = phy->spi;
u32 val, offs = 0, fir_conf = 0, fir_enable = 0;
int ret;
dev_dbg(&phy->spi->dev, "%s: TAPS %d, gain %d, dest %d",
__func__, ntaps, gain_dB, dest);
if (coef == NULL || !ntaps || ntaps > 128 || ntaps % 16) {
dev_err(&phy->spi->dev,
"%s: Invalid parameters: TAPS %d, gain %d, dest 0x%X",
__func__, ntaps, gain_dB, dest);
return -EINVAL;
}
ad9361_ensm_force_state(phy, ENSM_STATE_ALERT);
if (dest & FIR_IS_RX) {
val = 3 - (gain_dB + 12) / 6;
ad9361_spi_write(spi, REG_RX_FILTER_GAIN, val & 0x3);
offs = REG_RX_FILTER_COEF_ADDR - REG_TX_FILTER_COEF_ADDR;
st->rx_fir_ntaps = ntaps;
fir_enable = ad9361_spi_readf(phy->spi,
REG_RX_ENABLE_FILTER_CTRL, RX_FIR_ENABLE_DECIMATION(~0));
ad9361_spi_writef(phy->spi, REG_RX_ENABLE_FILTER_CTRL,
RX_FIR_ENABLE_DECIMATION(~0),
(st->rx_fir_dec == 4) ? 3 : st->rx_fir_dec);
} else {
if (gain_dB == -6)
fir_conf = TX_FIR_GAIN_6DB;
st->tx_fir_ntaps = ntaps;
fir_enable = ad9361_spi_readf(phy->spi,
REG_TX_ENABLE_FILTER_CTRL, TX_FIR_ENABLE_INTERPOLATION(~0));
ad9361_spi_writef(phy->spi, REG_TX_ENABLE_FILTER_CTRL,
TX_FIR_ENABLE_INTERPOLATION(~0),
(st->tx_fir_int == 4) ? 3 : st->tx_fir_int);
}
val = ntaps / 16 - 1;
fir_conf |= FIR_NUM_TAPS(val) | FIR_SELECT(dest) | FIR_START_CLK;
ad9361_spi_write(spi, REG_TX_FILTER_CONF + offs, fir_conf);
for (val = 0; val < ntaps; val++) {
ad9361_spi_write(spi, REG_TX_FILTER_COEF_ADDR + offs, val);
ad9361_spi_write(spi, REG_TX_FILTER_COEF_WRITE_DATA_1 + offs,
coef[val] & 0xFF);
ad9361_spi_write(spi, REG_TX_FILTER_COEF_WRITE_DATA_2 + offs,
coef[val] >> 8);
ad9361_spi_write(spi, REG_TX_FILTER_CONF + offs,
fir_conf | FIR_WRITE);
ad9361_spi_write(spi, REG_TX_FILTER_COEF_READ_DATA_2 + offs, 0);
ad9361_spi_write(spi, REG_TX_FILTER_COEF_READ_DATA_2 + offs, 0);
}
ad9361_spi_write(spi, REG_TX_FILTER_CONF + offs, fir_conf);
fir_conf &= ~FIR_START_CLK;
ad9361_spi_write(spi, REG_TX_FILTER_CONF + offs, fir_conf);
ret = ad9361_verify_fir_filter_coef(phy, dest, ntaps, coef);
if (dest & FIR_IS_RX)
ad9361_spi_writef(phy->spi, REG_RX_ENABLE_FILTER_CTRL,
RX_FIR_ENABLE_DECIMATION(~0), fir_enable);
else
ad9361_spi_writef(phy->spi, REG_TX_ENABLE_FILTER_CTRL,
TX_FIR_ENABLE_INTERPOLATION(~0), fir_enable);
ad9361_ensm_restore_prev_state(phy);
return ret;
}
static int ad9361_parse_fir(struct ad9361_rf_phy *phy,
char *data, u32 size)
{
struct ad9361_rf_phy_state *st = phy->state;
char *line;
int i = 0, ret, txc, rxc;
int tx = -1, tx_gain, tx_int;
int rx = -1, rx_gain, rx_dec;
int rtx = -1, rrx = -1;
short coef_tx[128];
short coef_rx[128];
char *ptr = data;
st->filt_rx_bw_Hz = 0;
st->filt_tx_bw_Hz = 0;
st->filt_valid = false;
while ((line = strsep(&ptr, "\n"))) {
if (line >= data + size) {
break;
}
if (line[0] == '#')
continue;
if (tx < 0) {
ret = sscanf(line, "TX %d GAIN %d INT %d",
&tx, &tx_gain, &tx_int);
if (ret == 3)
continue;
else
tx = -1;
}
if (rx < 0) {
ret = sscanf(line, "RX %d GAIN %d DEC %d",
&rx, &rx_gain, &rx_dec);
if (ret == 3)
continue;
else
rx = -1;
}
if (rtx < 0) {
ret = sscanf(line, "RTX %lu %lu %lu %lu %lu %lu",
&st->filt_tx_path_clks[0],
&st->filt_tx_path_clks[1],
&st->filt_tx_path_clks[2],
&st->filt_tx_path_clks[3],
&st->filt_tx_path_clks[4],
&st->filt_tx_path_clks[5]);
if (ret == 6) {
rtx = 0;
continue;
} else {
rtx = -1;
}
}
if (rrx < 0) {
ret = sscanf(line, "RRX %lu %lu %lu %lu %lu %lu",
&st->filt_rx_path_clks[0],
&st->filt_rx_path_clks[1],
&st->filt_rx_path_clks[2],
&st->filt_rx_path_clks[3],
&st->filt_rx_path_clks[4],
&st->filt_rx_path_clks[5]);
if (ret == 6) {
rrx = 0;
continue;
} else {
rrx = -1;
}
}
if (!st->filt_rx_bw_Hz) {
ret = sscanf(line, "BWRX %d", &st->filt_rx_bw_Hz);
if (ret == 1)
continue;
else
st->filt_rx_bw_Hz = 0;
}
if (!st->filt_tx_bw_Hz) {
ret = sscanf(line, "BWTX %d", &st->filt_tx_bw_Hz);
if (ret == 1)
continue;
else
st->filt_tx_bw_Hz = 0;
}
ret = sscanf(line, "%d,%d", &txc, &rxc);
if (ret == 1) {
if (i >= ARRAY_SIZE(coef_tx))
return -EINVAL;
coef_tx[i] = coef_rx[i] = (short)txc;
i++;
continue;
} else if (ret == 2) {
if (i >= ARRAY_SIZE(coef_tx))
return -EINVAL;
coef_tx[i] = (short)txc;
coef_rx[i] = (short)rxc;
i++;
continue;
}
}
if (tx != -1) {
switch (tx) {
case FIR_TX1:
case FIR_TX2:
case FIR_TX1_TX2:
st->tx_fir_int = tx_int;
ret = ad9361_load_fir_filter_coef(phy, tx, tx_gain, i, coef_tx);
break;
default:
ret = -EINVAL;
}
}
if (rx != -1) {
switch (rx | FIR_IS_RX) {
case FIR_RX1:
case FIR_RX2:
case FIR_RX1_RX2:
st->rx_fir_dec = rx_dec;
ret = ad9361_load_fir_filter_coef(phy, rx | FIR_IS_RX,
rx_gain, i, coef_rx);
break;
default:
ret = -EINVAL;
}
}
if (tx == -1 && rx == -1)
ret = -EINVAL;
if (ret < 0)
return ret;
if (!(rrx | rtx))
st->filt_valid = true;
return size;
}
static int ad9361_validate_enable_fir(struct ad9361_rf_phy *phy)
{
struct ad9361_rf_phy_state *st = phy->state;
struct device *dev = &phy->spi->dev;
int ret;
unsigned long rx[6], tx[6];
u32 max, valid;
dev_dbg(dev, "%s: TX FIR EN=%d/TAPS%d/INT%d, RX FIR EN=%d/TAPS%d/DEC%d",
__func__, !st->bypass_tx_fir, st->tx_fir_ntaps, st->tx_fir_int,
!st->bypass_rx_fir, st->rx_fir_ntaps, st->rx_fir_dec);
if (!st->bypass_tx_fir) {
if (!(st->tx_fir_int == 1 || st->tx_fir_int == 2 ||
st->tx_fir_int == 4)) {
dev_err(dev,
"%s: Invalid: Interpolation %d in filter config",
__func__, st->tx_fir_int);
return -EINVAL;
}
if (st->tx_fir_int == 1 && st->tx_fir_ntaps > 64) {
dev_err(dev,
"%s: Invalid: TAPS > 64 and Interpolation = 1",
__func__);
return -EINVAL;
}
}
if (!st->bypass_rx_fir) {
if (!(st->rx_fir_dec == 1 || st->rx_fir_dec == 2 ||
st->rx_fir_dec == 4)) {
dev_err(dev,
"%s: Invalid: Decimation %d in filter config",
__func__, st->rx_fir_dec);
return -EINVAL;
}
}
if (!st->filt_valid || st->bypass_rx_fir || st->bypass_tx_fir) {
ret = ad9361_calculate_rf_clock_chain(phy,
clk_get_rate(phy->clks[TX_SAMPL_CLK]),
st->rate_governor, rx, tx);
if (ret < 0) {
u32 min = st->rate_governor ? 1500000U : 1000000U;
dev_err(dev,
"%s: Calculating filter rates failed %d "
"using min frequency",__func__, ret);
ret = ad9361_calculate_rf_clock_chain(phy, min,
st->rate_governor, rx, tx);
if (ret < 0) {
return ret;
}
}
valid = false;
} else {
memcpy(rx, st->filt_rx_path_clks, sizeof(rx));
memcpy(tx, st->filt_tx_path_clks, sizeof(tx));
valid = true;
}
#ifdef _DEBUG
dev_dbg(&phy->spi->dev, "%s:RX %lu %lu %lu %lu %lu %lu",
__func__, rx[BBPLL_FREQ], rx[ADC_FREQ],
rx[R2_FREQ], rx[R1_FREQ],
rx[CLKRF_FREQ], rx[RX_SAMPL_FREQ]);
dev_dbg(&phy->spi->dev, "%s:TX %lu %lu %lu %lu %lu %lu",
__func__, tx[BBPLL_FREQ], tx[ADC_FREQ],
tx[R2_FREQ], tx[R1_FREQ],
tx[CLKRF_FREQ], tx[RX_SAMPL_FREQ]);
#endif
if (!st->bypass_tx_fir) {
max = (tx[DAC_FREQ] / tx[TX_SAMPL_FREQ]) * 16;
if (st->tx_fir_ntaps > max) {
dev_err(dev,
"%s: Invalid: ratio ADC/2 / TX_SAMPL * 16 > TAPS"
"(max %d, adc %lu, tx %lu)",
__func__, max, rx[ADC_FREQ], tx[TX_SAMPL_FREQ]);
return -EINVAL;
}
}
if (!st->bypass_rx_fir) {
max = ((rx[ADC_FREQ] / ((rx[ADC_FREQ] == rx[R2_FREQ]) ? 1 : 2)) /
rx[RX_SAMPL_FREQ]) * 16;
if (st->rx_fir_ntaps > max) {
dev_err(dev,
"%s: Invalid: ratio ADC/2 / RX_SAMPL * 16 > TAPS (max %d)",
__func__, max);
return -EINVAL;
}
}
ret = ad9361_set_trx_clock_chain(phy, rx, tx);
if (ret < 0)
return ret;
/* See also: ad9361_set_trx_clock_chain() */
if (!phy->pdata->dig_interface_tune_fir_disable &&
st->bypass_tx_fir && st->bypass_rx_fir)
ad9361_dig_tune(phy, 0, RESTORE_DEFAULT);
return ad9361_update_rf_bandwidth(phy,
valid ? st->filt_rx_bw_Hz : st->current_rx_bw_Hz,
valid ? st->filt_tx_bw_Hz : st->current_tx_bw_Hz);
}
static void ad9361_work_func(struct work_struct *work)
{
struct ad9361_rf_phy *phy =
container_of(work, struct ad9361_rf_phy, work);
struct ad9361_rf_phy_state *st = phy->state;
int ret;
dev_dbg(&phy->spi->dev, "%s:", __func__);
ret = ad9361_do_calib_run(phy, TX_QUAD_CAL, st->last_tx_quad_cal_phase);
if (ret < 0)
dev_err(&phy->spi->dev,
"%s: TX QUAD cal failed", __func__);
complete_all(&phy->complete);
clear_bit(0, &st->flags);
}
/*
* AD9361 Clocks
*/
#define to_clk_priv(_hw) container_of(_hw, struct refclk_scale, hw)
static inline int ad9361_set_muldiv(struct refclk_scale *priv, u32 mul, u32 div)
{
priv->mult = mul;
priv->div = div;
return 0;
}
static int ad9361_get_clk_scaler(struct clk_hw *hw)
{
struct refclk_scale *clk_priv = to_clk_priv(hw);
struct spi_device *spi = clk_priv->spi;
u32 tmp, tmp1;
switch (clk_priv->source) {
case BB_REFCLK:
tmp = ad9361_spi_read(spi, REG_CLOCK_CTRL);
tmp &= 0x3;
break;
case RX_REFCLK:
tmp = ad9361_spi_readf(spi, REG_REF_DIVIDE_CONFIG_1,
RX_REF_DIVIDER_MSB);
tmp1 = ad9361_spi_readf(spi, REG_REF_DIVIDE_CONFIG_2,
RX_REF_DIVIDER_LSB);
tmp = (tmp << 1) | tmp1;
break;
case TX_REFCLK:
tmp = ad9361_spi_readf(spi, REG_REF_DIVIDE_CONFIG_2,
TX_REF_DIVIDER(~0));
break;
case ADC_CLK:
tmp = ad9361_spi_read(spi, REG_BBPLL);
return ad9361_set_muldiv(clk_priv, 1, 1 << (tmp & 0x7));
case R2_CLK:
tmp = ad9361_spi_readf(spi, REG_RX_ENABLE_FILTER_CTRL,
DEC3_ENABLE_DECIMATION(~0));
return ad9361_set_muldiv(clk_priv, 1, tmp + 1);
case R1_CLK:
tmp = ad9361_spi_readf(spi, REG_RX_ENABLE_FILTER_CTRL, RHB2_EN);
return ad9361_set_muldiv(clk_priv, 1, tmp + 1);
case CLKRF_CLK:
tmp = ad9361_spi_readf(spi, REG_RX_ENABLE_FILTER_CTRL, RHB1_EN);
return ad9361_set_muldiv(clk_priv, 1, tmp + 1);
case RX_SAMPL_CLK:
tmp = ad9361_spi_readf(spi, REG_RX_ENABLE_FILTER_CTRL,
RX_FIR_ENABLE_DECIMATION(~0));
if (!tmp)
tmp = 1; /* bypass filter */
else
tmp = (1 << (tmp - 1));
return ad9361_set_muldiv(clk_priv, 1, tmp);
case DAC_CLK:
tmp = ad9361_spi_readf(spi, REG_BBPLL, BIT(3));
return ad9361_set_muldiv(clk_priv, 1, tmp + 1);
case T2_CLK:
tmp = ad9361_spi_readf(spi, REG_TX_ENABLE_FILTER_CTRL,
THB3_ENABLE_INTERP(~0));
return ad9361_set_muldiv(clk_priv, 1, tmp + 1);
case T1_CLK:
tmp = ad9361_spi_readf(spi, REG_TX_ENABLE_FILTER_CTRL, THB2_EN);
return ad9361_set_muldiv(clk_priv, 1, tmp + 1);
case CLKTF_CLK:
tmp = ad9361_spi_readf(spi, REG_TX_ENABLE_FILTER_CTRL, THB1_EN);
return ad9361_set_muldiv(clk_priv, 1, tmp + 1);
case TX_SAMPL_CLK:
tmp = ad9361_spi_readf(spi, REG_TX_ENABLE_FILTER_CTRL,
TX_FIR_ENABLE_INTERPOLATION(~0));
if (!tmp)
tmp = 1; /* bypass filter */
else
tmp = (1 << (tmp - 1));
return ad9361_set_muldiv(clk_priv, 1, tmp);
default:
return -EINVAL;
}
/* REFCLK Scaler */
switch (tmp) {
case 0:
ad9361_set_muldiv(clk_priv, 1, 1);
break;
case 1:
ad9361_set_muldiv(clk_priv, 1, 2);
break;
case 2:
ad9361_set_muldiv(clk_priv, 1, 4);
break;
case 3:
ad9361_set_muldiv(clk_priv, 2, 1);
break;
default:
return -EINVAL;
}
return 0;
}
static int ad9361_to_refclk_scaler(struct refclk_scale *clk_priv)
{
/* REFCLK Scaler */
switch (((clk_priv->mult & 0xF) << 4) | (clk_priv->div & 0xF)) {
case 0x11:
return 0;
case 0x12:
return 1;
case 0x14:
return 2;
case 0x21:
return 3;
default:
return -EINVAL;
}
};
static int ad9361_set_clk_scaler(struct clk_hw *hw, bool set)
{
struct refclk_scale *clk_priv = to_clk_priv(hw);
struct spi_device *spi = clk_priv->spi;
u32 tmp;
int ret;
switch (clk_priv->source) {
case BB_REFCLK:
ret = ad9361_to_refclk_scaler(clk_priv);
if (ret < 0)
return ret;
if (set)
return ad9361_spi_writef(spi, REG_CLOCK_CTRL,
REF_FREQ_SCALER(~0), ret);
break;
case RX_REFCLK:
ret = ad9361_to_refclk_scaler(clk_priv);
if (ret < 0)
return ret;
if (set) {
tmp = ret;
ret = ad9361_spi_writef(spi, REG_REF_DIVIDE_CONFIG_1,
RX_REF_DIVIDER_MSB, tmp >> 1);
ret |= ad9361_spi_writef(spi, REG_REF_DIVIDE_CONFIG_2,
RX_REF_DIVIDER_LSB, tmp & 1);
return ret;
}
break;
case TX_REFCLK:
ret = ad9361_to_refclk_scaler(clk_priv);
if (ret < 0)
return ret;
if (set)
return ad9361_spi_writef(spi, REG_REF_DIVIDE_CONFIG_2,
TX_REF_DIVIDER(~0), ret);
break;
case ADC_CLK:
tmp = ilog2((u8)clk_priv->div);
if (clk_priv->mult != 1 || tmp > 6 || tmp < 1)
return -EINVAL;
if (set)
return ad9361_spi_writef(spi, REG_BBPLL, 0x7, tmp);
break;
case R2_CLK:
if (clk_priv->mult != 1 || clk_priv->div > 3 || clk_priv->div < 1)
return -EINVAL;
if (set)
return ad9361_spi_writef(spi, REG_RX_ENABLE_FILTER_CTRL,
DEC3_ENABLE_DECIMATION(~0),
clk_priv->div - 1);
break;
case R1_CLK:
if (clk_priv->mult != 1 || clk_priv->div > 2 || clk_priv->div < 1)
return -EINVAL;
if (set)
return ad9361_spi_writef(spi, REG_RX_ENABLE_FILTER_CTRL,
RHB2_EN, clk_priv->div - 1);
break;
case CLKRF_CLK:
if (clk_priv->mult != 1 || clk_priv->div > 2 || clk_priv->div < 1)
return -EINVAL;
if (set)
return ad9361_spi_writef(spi, REG_RX_ENABLE_FILTER_CTRL,
RHB1_EN, clk_priv->div - 1);
break;
case RX_SAMPL_CLK:
if (clk_priv->mult != 1 || clk_priv->div > 4 ||
clk_priv->div < 1 || clk_priv->div == 3)
return -EINVAL;
if (clk_priv->phy->state->bypass_rx_fir)
tmp = 0;
else
tmp = ilog2(clk_priv->div) + 1;
if (set)
return ad9361_spi_writef(spi, REG_RX_ENABLE_FILTER_CTRL,
RX_FIR_ENABLE_DECIMATION(~0), tmp);
break;
case DAC_CLK:
if (clk_priv->mult != 1 || clk_priv->div > 2 || clk_priv->div < 1)
return -EINVAL;
if (set)
return ad9361_spi_writef(spi, REG_BBPLL,
BIT(3), clk_priv->div - 1);
break;
case T2_CLK:
if (clk_priv->mult != 1 || clk_priv->div > 3 || clk_priv->div < 1)
return -EINVAL;
if (set)
return ad9361_spi_writef(spi, REG_TX_ENABLE_FILTER_CTRL,
THB3_ENABLE_INTERP(~0),
clk_priv->div - 1);
break;
case T1_CLK:
if (clk_priv->mult != 1 || clk_priv->div > 2 || clk_priv->div < 1)
return -EINVAL;
if (set)
return ad9361_spi_writef(spi, REG_TX_ENABLE_FILTER_CTRL,
THB2_EN, clk_priv->div - 1);
break;
case CLKTF_CLK:
if (clk_priv->mult != 1 || clk_priv->div > 2 || clk_priv->div < 1)
return -EINVAL;
if (set)
return ad9361_spi_writef(spi, REG_TX_ENABLE_FILTER_CTRL,
THB1_EN, clk_priv->div - 1);
break;
case TX_SAMPL_CLK:
if (clk_priv->mult != 1 || clk_priv->div > 4 ||
clk_priv->div < 1 || clk_priv->div == 3)
return -EINVAL;
if (clk_priv->phy->state->bypass_tx_fir)
tmp = 0;
else
tmp = ilog2(clk_priv->div) + 1;
if (set)
return ad9361_spi_writef(spi, REG_TX_ENABLE_FILTER_CTRL,
TX_FIR_ENABLE_INTERPOLATION(~0), tmp);
break;
default:
return -EINVAL;
}
return 0;
}
static unsigned long ad9361_clk_factor_recalc_rate(struct clk_hw *hw,
unsigned long parent_rate)
{
struct refclk_scale *clk_priv = to_clk_priv(hw);
u64 rate;
ad9361_get_clk_scaler(hw);
rate = (parent_rate * clk_priv->mult) / clk_priv->div;
return (unsigned long)rate;
}
static long ad9361_clk_factor_round_rate(struct clk_hw *hw, unsigned long rate,
unsigned long *prate)
{
struct refclk_scale *clk_priv = to_clk_priv(hw);
int ret;
if (rate >= *prate) {
clk_priv->mult = DIV_ROUND_CLOSEST(rate, *prate);
clk_priv->div = 1;
} else {
clk_priv->div = DIV_ROUND_CLOSEST(*prate, rate);
clk_priv->mult = 1;
if (!clk_priv->div) {
dev_err(&clk_priv->spi->dev, "%s: divide by zero",
__func__);
clk_priv->div = 1;
}
}
ret = ad9361_set_clk_scaler(hw, false);
if (ret < 0)
return ret;
return (*prate / clk_priv->div) * clk_priv->mult;
}
static int ad9361_clk_factor_set_rate(struct clk_hw *hw, unsigned long rate,
unsigned long parent_rate)
{
struct refclk_scale *clk_priv = to_clk_priv(hw);
dev_dbg(&clk_priv->spi->dev, "%s: Rate %lu Hz Parent Rate %lu Hz",
__func__, rate, parent_rate);
if (rate >= parent_rate) {
clk_priv->mult = DIV_ROUND_CLOSEST(rate, parent_rate);
clk_priv->div = 1;
} else {
clk_priv->div = DIV_ROUND_CLOSEST(parent_rate, rate);
clk_priv->mult = 1;
if (!clk_priv->div) {
dev_err(&clk_priv->spi->dev, "%s: divide by zero",
__func__);
clk_priv->div = 1;
}
}
return ad9361_set_clk_scaler(hw, true);
}
static const struct clk_ops refclk_scale_ops = {
.round_rate = ad9361_clk_factor_round_rate,
.set_rate = ad9361_clk_factor_set_rate,
.recalc_rate = ad9361_clk_factor_recalc_rate,
};
/*
* BBPLL
*/
static unsigned long ad9361_bbpll_recalc_rate(struct clk_hw *hw,
unsigned long parent_rate)
{
struct refclk_scale *clk_priv = to_clk_priv(hw);
u64 rate;
unsigned long fract, integer;
u8 buf[4];
ad9361_spi_readm(clk_priv->spi, REG_INTEGER_BB_FREQ_WORD, &buf[0],
REG_INTEGER_BB_FREQ_WORD - REG_FRACT_BB_FREQ_WORD_1 + 1);
fract = (buf[3] << 16) | (buf[2] << 8) | buf[1];
integer = buf[0];
rate = ((u64)parent_rate * fract);
do_div(rate, BBPLL_MODULUS);
rate += (u64)parent_rate * integer;
return (unsigned long)rate;
}
static long ad9361_bbpll_round_rate(struct clk_hw *hw, unsigned long rate,
unsigned long *prate)
{
u64 tmp, rate64 = rate;
u32 fract, integer;
if (rate > MAX_BBPLL_FREQ)
return MAX_BBPLL_FREQ;
if (rate < MIN_BBPLL_FREQ)
return MIN_BBPLL_FREQ;
tmp = do_div(rate64, *prate);
tmp = tmp * BBPLL_MODULUS + (*prate >> 1);
do_div(tmp, *prate);
integer = rate64;
fract = tmp;
tmp = *prate * (u64)fract;
do_div(tmp, BBPLL_MODULUS);
tmp += *prate * integer;
return tmp;
}
static int ad9361_bbpll_set_rate(struct clk_hw *hw, unsigned long rate,
unsigned long parent_rate)
{
struct refclk_scale *clk_priv = to_clk_priv(hw);
struct spi_device *spi = clk_priv->spi;
u64 tmp, rate64 = rate;
u32 fract, integer;
int icp_val;
u8 lf_defaults[3] = {0x35, 0x5B, 0xE8};
dev_dbg(&spi->dev, "%s: Rate %lu Hz Parent Rate %lu Hz",
__func__, rate, parent_rate);
/*
* Setup Loop Filter and CP Current
* Scale is 150uA @ (1280MHz BBPLL, 40MHz REFCLK)
*/
tmp = (rate64 >> 7) * 150ULL;
do_div(tmp, (parent_rate >> 7) * 32UL);
/* 25uA/LSB, Offset 25uA */
icp_val = DIV_ROUND_CLOSEST((u32)tmp, 25U) - 1;
icp_val = clamp(icp_val, 1, 64);
ad9361_spi_write(spi, REG_CP_CURRENT, icp_val);
ad9361_spi_writem(spi, REG_LOOP_FILTER_3, lf_defaults,
ARRAY_SIZE(lf_defaults));
/* Allow calibration to occur and set cal count to 1024 for max accuracy */
ad9361_spi_write(spi, REG_VCO_CTRL,
FREQ_CAL_ENABLE | FREQ_CAL_COUNT_LENGTH(3));
/* Set calibration clock to REFCLK/4 for more accuracy */
ad9361_spi_write(spi, REG_SDM_CTRL, 0x10);
/* Calculate and set BBPLL frequency word */
tmp = do_div(rate64, parent_rate);
tmp = tmp *(u64) BBPLL_MODULUS + (parent_rate >> 1);
do_div(tmp, parent_rate);
integer = rate64;
fract = tmp;
ad9361_spi_write(spi, REG_INTEGER_BB_FREQ_WORD, integer);
ad9361_spi_write(spi, REG_FRACT_BB_FREQ_WORD_3, fract);
ad9361_spi_write(spi, REG_FRACT_BB_FREQ_WORD_2, fract >> 8);
ad9361_spi_write(spi, REG_FRACT_BB_FREQ_WORD_1, fract >> 16);
ad9361_spi_write(spi, REG_SDM_CTRL_1, INIT_BB_FO_CAL | BBPLL_RESET_BAR); /* Start BBPLL Calibration */
ad9361_spi_write(spi, REG_SDM_CTRL_1, BBPLL_RESET_BAR); /* Clear BBPLL start calibration bit */
ad9361_spi_write(spi, REG_VCO_PROGRAM_1, 0x86); /* Increase BBPLL KV and phase margin */
ad9361_spi_write(spi, REG_VCO_PROGRAM_2, 0x01); /* Increase BBPLL KV and phase margin */
ad9361_spi_write(spi, REG_VCO_PROGRAM_2, 0x05); /* Increase BBPLL KV and phase margin */
return ad9361_check_cal_done(clk_priv->phy, REG_CH_1_OVERFLOW,
BBPLL_LOCK, 1);
}
static const struct clk_ops bbpll_clk_ops = {
.round_rate = ad9361_bbpll_round_rate,
.set_rate = ad9361_bbpll_set_rate,
.recalc_rate = ad9361_bbpll_recalc_rate,
};
/*
* RFPLL
*/
static u64 ad9361_calc_rfpll_freq(u64 parent_rate,
u64 integer,
u64 fract, u32 vco_div)
{
u64 rate;
rate = parent_rate * fract;
do_div(rate, RFPLL_MODULUS);
rate += parent_rate * integer;
return rate >> (vco_div + 1);
}
static int ad9361_calc_rfpll_divder(struct ad9361_rf_phy *phy,
struct refclk_scale *clk_priv, u64 freq,
u64 parent_rate, u32 *integer,
u32 *fract, int *vco_div, u64 *vco_freq)
{
u64 tmp;
int div, ret;
ret = ad9361_validate_rfpll(phy, clk_priv->source == TX_RFPLL_INT, freq);
if (ret)
return ret;
div = -1;
while (freq <= MIN_VCO_FREQ_HZ) {
freq <<= 1;
div++;
}
*vco_div = div;
*vco_freq = freq;
tmp = do_div(freq, parent_rate);
tmp = tmp * RFPLL_MODULUS + (parent_rate >> 1);
do_div(tmp, parent_rate);
*integer = freq;
*fract = tmp;
return 0;
}
static unsigned long ad9361_rfpll_recalc_rate(struct clk_hw *hw,
unsigned long parent_rate)
{
struct refclk_scale *clk_priv = to_clk_priv(hw);
struct ad9361_rf_phy *phy = clk_priv->phy;
struct ad9361_rf_phy_state *st = phy->state;
unsigned long fract, integer;
u8 buf[5];
u32 reg, div_mask, vco_div, profile;
dev_dbg(&clk_priv->spi->dev, "%s: Parent Rate %lu Hz",
__func__, parent_rate);
switch (clk_priv->source) {
case RX_RFPLL_INT:
reg = REG_RX_FRACT_BYTE_2;
div_mask = RX_VCO_DIVIDER(~0);
profile = st->fastlock.current_profile[0];
break;
case TX_RFPLL_INT:
reg = REG_TX_FRACT_BYTE_2;
div_mask = TX_VCO_DIVIDER(~0);
profile = st->fastlock.current_profile[1];
break;
default:
return -EINVAL;
}
if (profile) {
bool tx = clk_priv->source == TX_RFPLL_INT;
profile = profile - 1;
buf[0] = ad9361_fastlock_readval(phy->spi, tx, profile, 4);
buf[1] = ad9361_fastlock_readval(phy->spi, tx, profile, 3);
buf[2] = ad9361_fastlock_readval(phy->spi, tx, profile, 2);
buf[3] = ad9361_fastlock_readval(phy->spi, tx, profile, 1);
buf[4] = ad9361_fastlock_readval(phy->spi, tx, profile, 0);
vco_div = ad9361_fastlock_readval(phy->spi, tx, profile, 12) & 0xF;
} else {
ad9361_spi_readm(clk_priv->spi, reg, &buf[0], ARRAY_SIZE(buf));
vco_div = ad9361_spi_readf(clk_priv->spi, REG_RFPLL_DIVIDERS, div_mask);
}
fract = (SYNTH_FRACT_WORD(buf[0]) << 16) | (buf[1] << 8) | buf[2];
integer = (SYNTH_INTEGER_WORD(buf[3]) << 8) | buf[4];
return ad9361_to_clk(ad9361_calc_rfpll_freq(parent_rate, integer,
fract, vco_div));
}
static int ad9361_rfpll_determine_rate(struct clk_hw *hw,
struct clk_rate_request *req)
{
struct refclk_scale *clk_priv = to_clk_priv(hw);
struct ad9361_rf_phy *phy = clk_priv->phy;
int ret;
dev_dbg(&clk_priv->spi->dev, "%s: Rate %lu Hz", __func__, req->rate);
ret = ad9361_validate_rfpll(phy, clk_priv->source == TX_RFPLL_INT,
ad9361_from_clk(req->rate));
if (ret)
return ret;
return 0;
}
static int ad9361_rfpll_set_rate(struct clk_hw *hw, unsigned long rate,
unsigned long parent_rate)
{
struct refclk_scale *clk_priv = to_clk_priv(hw);
struct ad9361_rf_phy *phy = clk_priv->phy;
struct ad9361_rf_phy_state *st = phy->state;
u64 vco;
u8 buf[5];
u32 reg, div_mask, lock_reg, fract, integer;
int vco_div, ret, fixup_other;
dev_dbg(&clk_priv->spi->dev, "%s: %s Rate %lu Hz Parent Rate %lu Hz",
__func__, clk_priv->source == TX_RFPLL_INT ? "TX" : "RX",
rate, parent_rate);
ad9361_fastlock_prepare(phy, clk_priv->source == TX_RFPLL_INT, 0, false);
ret = ad9361_calc_rfpll_divder(phy, clk_priv, ad9361_from_clk(rate), parent_rate,
&integer, &fract, &vco_div, &vco);
if (ret)
return ret;
switch (clk_priv->source) {
case RX_RFPLL_INT:
reg = REG_RX_FRACT_BYTE_2;
lock_reg = REG_RX_CP_OVERRANGE_VCO_LOCK;
div_mask = RX_VCO_DIVIDER(~0);
st->cached_rx_rfpll_div = vco_div;
st->current_rx_lo_freq = rate;
break;
case TX_RFPLL_INT:
reg = REG_TX_FRACT_BYTE_2;
lock_reg = REG_TX_CP_OVERRANGE_VCO_LOCK;
div_mask = TX_VCO_DIVIDER(~0);
st->cached_tx_rfpll_div = vco_div;
st->current_tx_lo_freq = rate;
break;
default:
return -EINVAL;
}
/* Option to skip VCO cal in TDD mode when moving from TX/RX to Alert */
if (phy->pdata->tdd_skip_vco_cal)
ad9361_trx_vco_cal_control(phy, clk_priv->source == TX_RFPLL_INT,
true);
do {
fixup_other = 0;
ad9361_rfpll_vco_init(phy, div_mask == TX_VCO_DIVIDER(~0),
vco, parent_rate);
buf[0] = SYNTH_FRACT_WORD(fract >> 16);
buf[1] = fract >> 8;
buf[2] = fract & 0xFF;
buf[3] = SYNTH_INTEGER_WORD(integer >> 8) |
(~SYNTH_INTEGER_WORD(~0) &
ad9361_spi_read(clk_priv->spi, reg - 3));
buf[4] = integer & 0xFF;
ad9361_spi_writem(clk_priv->spi, reg, buf, 5);
ad9361_spi_writef(clk_priv->spi, REG_RFPLL_DIVIDERS, div_mask, vco_div);
ret = ad9361_check_cal_done(phy, lock_reg, VCO_LOCK, 1);
/* In FDD mode with RX LO == TX LO frequency we use TDD tables to
* reduce VCO pulling
*/
if (((phy->pdata->fdd && !phy->pdata->fdd_independent_mode) &&
(st->current_tx_lo_freq == st->current_rx_lo_freq) &&
(st->current_tx_use_tdd_table != st->current_rx_use_tdd_table)) ||
((phy->pdata->fdd && !phy->pdata->fdd_independent_mode) &&
(st->current_tx_lo_freq != st->current_rx_lo_freq) &&
(st->current_tx_use_tdd_table || st->current_rx_use_tdd_table))) {
unsigned long _rate;
switch (clk_priv->source) {
case RX_RFPLL_INT:
reg = REG_TX_FRACT_BYTE_2;
lock_reg = REG_TX_CP_OVERRANGE_VCO_LOCK;
div_mask = TX_VCO_DIVIDER(~0);
_rate = st->current_tx_lo_freq;
break;
case TX_RFPLL_INT:
reg = REG_RX_FRACT_BYTE_2;
lock_reg = REG_RX_CP_OVERRANGE_VCO_LOCK;
div_mask = RX_VCO_DIVIDER(~0);
_rate = st->current_rx_lo_freq;
break;
default:
return -EINVAL;
}
if (st->current_tx_lo_freq != st->current_rx_lo_freq) {
ad9361_calc_rfpll_divder(phy, clk_priv, ad9361_from_clk(_rate),
parent_rate, &integer, &fract, &vco_div, &vco);
ad9361_fastlock_prepare(phy, clk_priv->source == RX_RFPLL_INT, 0, false);
}
fixup_other = 1;
}
} while (fixup_other);
if (phy->pdata->tdd_skip_vco_cal)
ad9361_trx_vco_cal_control(phy, clk_priv->source == TX_RFPLL_INT,
false);
return ret;
}
static const struct clk_ops rfpll_clk_ops_int = {
.determine_rate = ad9361_rfpll_determine_rate,
.set_rate = ad9361_rfpll_set_rate,
.recalc_rate = ad9361_rfpll_recalc_rate,
};
static unsigned long ad9361_rfpll_dummy_recalc_rate(struct clk_hw *hw,
unsigned long parent_rate)
{
struct refclk_scale *clk_priv = to_clk_priv(hw);
return clk_priv->rate;
}
static int ad9361_rfpll_dummy_set_rate(struct clk_hw *hw, unsigned long rate,
unsigned long parent_rate)
{
struct refclk_scale *clk_priv = to_clk_priv(hw);
clk_priv->rate = rate;
return 0;
}
static const struct clk_ops rfpll_dummy_clk_ops_int = {
.determine_rate = ad9361_rfpll_determine_rate,
.set_rate = ad9361_rfpll_dummy_set_rate,
.recalc_rate = ad9361_rfpll_dummy_recalc_rate,
};
static u8 ad9361_clk_mux_get_parent(struct clk_hw *hw)
{
struct refclk_scale *clk_priv = to_clk_priv(hw);
dev_dbg(&clk_priv->spi->dev, "%s: index %d", __func__, clk_priv->mult);
return clk_priv->mult;
}
static int ad9361_clk_mux_set_parent(struct clk_hw *hw, u8 index)
{
struct refclk_scale *clk_priv = to_clk_priv(hw);
struct ad9361_rf_phy *phy = clk_priv->phy;
int ret;
dev_dbg(&clk_priv->spi->dev, "%s: index %d", __func__, index);
ad9361_ensm_force_state(phy, ENSM_STATE_ALERT);
ret = ad9361_trx_ext_lo_control(phy, clk_priv->source == TX_RFPLL, index == 1);
if (ret >= 0)
clk_priv->mult = index;
ad9361_ensm_restore_prev_state(phy);
return ret;
}
static const struct clk_ops rfpll_clk_ops = {
.get_parent = ad9361_clk_mux_get_parent,
.set_parent = ad9361_clk_mux_set_parent,
.determine_rate = __clk_mux_determine_rate,
};
static int ad9361_rx_rfpll_rate_change(struct notifier_block *nb,
unsigned long flags, void *data)
{
struct clk_notifier_data *cnd = data;
struct ad9361_rf_phy *phy =
container_of(nb, struct ad9361_rf_phy, clk_nb_rx);
u64 new_rate;
if (flags == POST_RATE_CHANGE) {
new_rate = ad9361_from_clk(cnd->new_rate);
dev_dbg(&phy->spi->dev, "%s: rate %llu Hz", __func__,
new_rate);
if (cnd->new_rate)
ad9361_load_gt(phy, new_rate, GT_RX1 + GT_RX2);
ad9361_adjust_rx_ext_band_settings(phy, new_rate);
}
return NOTIFY_OK;
}
static int ad9361_tx_rfpll_rate_change(struct notifier_block *nb,
unsigned long flags, void *data)
{
struct clk_notifier_data *cnd = data;
struct ad9361_rf_phy *phy =
container_of(nb, struct ad9361_rf_phy, clk_nb_tx);
struct ad9361_rf_phy_state *st = phy->state;
u64 new_rate;
if (flags == POST_RATE_CHANGE) {
new_rate = ad9361_from_clk(cnd->new_rate);
dev_dbg(&phy->spi->dev, "%s: rate %llu Hz", __func__,
new_rate);
/* For RX LO we typically have the tracking option enabled
* so for now do nothing here.
*/
if (st->auto_cal_en)
if (abs(st->last_tx_quad_cal_freq - new_rate) >
st->cal_threshold_freq) {
set_bit(0, &st->flags);
reinit_completion(&phy->complete);
schedule_work(&phy->work);
st->last_tx_quad_cal_freq = new_rate;
}
ad9361_adjust_tx_ext_band_settings(phy, new_rate);
}
return NOTIFY_OK;
}
#define AD9361_MAX_CLK_NAME 79
static char *ad9361_clk_set_dev_name(struct ad9361_rf_phy *phy,
char *dest, const char *name)
{
size_t len = 0;
if (name == NULL)
return NULL;
if (*name == '-')
len = strlcpy(dest, dev_name(&phy->spi->dev),
AD9361_MAX_CLK_NAME);
else
*dest = '\0';
return strncat(dest, name, AD9361_MAX_CLK_NAME - len);
}
static int ad9361_clk_register(struct ad9361_rf_phy *phy,
const char *name, const char *parent_name,
const char *parent_name2, unsigned long flags,
u32 source)
{
struct refclk_scale *clk_priv = &phy->clk_priv[source];
struct clk_init_data init;
struct clk *clk;
char c_name[AD9361_MAX_CLK_NAME + 1], p_name[2][AD9361_MAX_CLK_NAME + 1];
const char *_parent_name[2];
/* struct refclk_scale assignments */
clk_priv->source = source;
clk_priv->hw.init = &init;
clk_priv->spi = phy->spi;
clk_priv->phy = phy;
_parent_name[0] = ad9361_clk_set_dev_name(phy, p_name[0], parent_name);
_parent_name[1] = ad9361_clk_set_dev_name(phy, p_name[1], parent_name2);
init.name = ad9361_clk_set_dev_name(phy, c_name, name);;
init.flags = flags;
init.parent_names = &_parent_name[0];
init.num_parents = _parent_name[1] ? 2 : _parent_name[0] ? 1 : 0;
switch (source) {
case BBPLL_CLK:
init.ops = &bbpll_clk_ops;
break;
case RX_RFPLL_INT:
case TX_RFPLL_INT:
init.ops = &rfpll_clk_ops_int;
break;
case RX_RFPLL_DUMMY:
init.ops = &rfpll_dummy_clk_ops_int;
clk_priv->rate = ad9361_to_clk(phy->pdata->rx_synth_freq);
break;
case TX_RFPLL_DUMMY:
init.ops = &rfpll_dummy_clk_ops_int;
clk_priv->rate = ad9361_to_clk(phy->pdata->tx_synth_freq);
break;
case RX_RFPLL:
case TX_RFPLL:
init.ops = &rfpll_clk_ops;
break;
default:
init.ops = &refclk_scale_ops;
}
clk = devm_clk_register(&phy->spi->dev, &clk_priv->hw);
phy->clks[source] = clk;
return 0;
}
static int ad9361_clks_disable(struct ad9361_rf_phy *phy)
{
clk_disable_unprepare(phy->clks[TX_RFPLL]);
clk_disable_unprepare(phy->clks[RX_RFPLL]);
return 0;
}
static int ad9361_clks_resync(struct ad9361_rf_phy *phy)
{
int i;
for (i = TX_RFPLL; i >= 0; i--)
clk_get_rate(phy->clks[i]);
return 0;
}
static int register_clocks(struct ad9361_rf_phy *phy)
{
const char *parent_name;
const char *ext_tx_lo = NULL;
const char *ext_rx_lo = NULL;
u32 flags = CLK_GET_RATE_NOCACHE;
int ret;
parent_name = __clk_get_name(phy->clk_refin);
phy->clk_data.clks = phy->clks;
phy->clk_data.clk_num = NUM_AD9361_CLKS;
/* Dummy Clock in case no external LO clock given */
phy->clk_ext_lo_rx = devm_clk_get(&phy->spi->dev, "ext_rx_lo");
phy->clk_ext_lo_tx = devm_clk_get(&phy->spi->dev, "ext_tx_lo");
if (PTR_ERR(phy->clk_ext_lo_rx) == -EPROBE_DEFER)
return -EPROBE_DEFER;
if (PTR_ERR(phy->clk_ext_lo_tx) == -EPROBE_DEFER)
return -EPROBE_DEFER;
if (IS_ERR_OR_NULL(phy->clk_ext_lo_rx)) {
ad9361_clk_register(phy, "-rx_lo_dummy", NULL, NULL,
CLK_IGNORE_UNUSED, RX_RFPLL_DUMMY);
phy->clk_ext_lo_rx = phy->clks[RX_RFPLL_DUMMY];
ext_rx_lo = "-rx_lo_dummy";
} else {
ext_rx_lo = __clk_get_name(phy->clk_ext_lo_rx);
}
if (IS_ERR_OR_NULL(phy->clk_ext_lo_tx)) {
ad9361_clk_register(phy, "-tx_lo_dummy", NULL, NULL,
CLK_IGNORE_UNUSED, TX_RFPLL_DUMMY);
phy->clk_ext_lo_tx = phy->clks[TX_RFPLL_DUMMY];
ext_tx_lo = "-tx_lo_dummy";
} else {
ext_tx_lo = __clk_get_name(phy->clk_ext_lo_tx);
}
/* Scaled Reference Clocks */
ad9361_clk_register(phy, "-tx_refclk", parent_name, NULL,
flags | CLK_IGNORE_UNUSED, TX_REFCLK);
ad9361_clk_register(phy, "-rx_refclk", parent_name, NULL,
flags | CLK_IGNORE_UNUSED, RX_REFCLK);
ad9361_clk_register(phy, "-bb_refclk", parent_name, NULL,
flags | CLK_IGNORE_UNUSED, BB_REFCLK);
/* Base Band PLL Clock */
ad9361_clk_register(phy, "-bbpll_clk", "-bb_refclk", NULL,
flags | CLK_IGNORE_UNUSED, BBPLL_CLK);
ad9361_clk_register(phy, "-adc_clk", "-bbpll_clk", NULL,
flags | CLK_IGNORE_UNUSED, ADC_CLK);
ad9361_clk_register(phy, "-r2_clk", "-adc_clk", NULL,
flags | CLK_IGNORE_UNUSED, R2_CLK);
ad9361_clk_register(phy, "-r1_clk", "-r2_clk", NULL,
flags | CLK_IGNORE_UNUSED, R1_CLK);
ad9361_clk_register(phy, "-clkrf_clk", "-r1_clk", NULL,
flags | CLK_IGNORE_UNUSED, CLKRF_CLK);
ad9361_clk_register(phy, "-rx_sampl_clk", "-clkrf_clk", NULL,
flags | CLK_IGNORE_UNUSED, RX_SAMPL_CLK);
ad9361_clk_register(phy, "-dac_clk", "-adc_clk", NULL,
flags | CLK_IGNORE_UNUSED, DAC_CLK);
ad9361_clk_register(phy, "-t2_clk", "-dac_clk", NULL,
flags | CLK_IGNORE_UNUSED, T2_CLK);
ad9361_clk_register(phy, "-t1_clk", "-t2_clk", NULL,
flags | CLK_IGNORE_UNUSED, T1_CLK);
ad9361_clk_register(phy, "-clktf_clk", "-t1_clk", NULL,
flags | CLK_IGNORE_UNUSED, CLKTF_CLK);
ad9361_clk_register(phy, "-tx_sampl_clk", "-clktf_clk", NULL,
flags | CLK_IGNORE_UNUSED, TX_SAMPL_CLK);
ad9361_clk_register(phy, "-rx_rfpll_int", "-rx_refclk", NULL,
flags | CLK_IGNORE_UNUSED, RX_RFPLL_INT);
ad9361_clk_register(phy, "-tx_rfpll_int", "-tx_refclk", NULL,
flags | CLK_IGNORE_UNUSED, TX_RFPLL_INT);
ad9361_clk_register(phy, "-rx_rfpll", "-rx_rfpll_int", ext_rx_lo,
flags | CLK_IGNORE_UNUSED | CLK_SET_RATE_NO_REPARENT |
CLK_SET_RATE_PARENT, RX_RFPLL);
ad9361_clk_register(phy, "-tx_rfpll", "-tx_rfpll_int", ext_tx_lo,
flags | CLK_IGNORE_UNUSED | CLK_SET_RATE_NO_REPARENT |
CLK_SET_RATE_PARENT, TX_RFPLL);
phy->clk_nb_rx.notifier_call = ad9361_rx_rfpll_rate_change;
ret = clk_notifier_register(phy->clks[RX_RFPLL], &phy->clk_nb_rx);
if (ret < 0)
return ret;
phy->clk_nb_tx.notifier_call = ad9361_tx_rfpll_rate_change;
ret = clk_notifier_register(phy->clks[TX_RFPLL], &phy->clk_nb_tx);
if (ret < 0)
return ret;
return 0;
}
enum ad9361_iio_dev_attr {
AD9361_RF_RX_BANDWIDTH,
AD9361_RF_TX_BANDWIDTH,
AD9361_ENSM_MODE,
AD9361_ENSM_MODE_AVAIL,
AD9361_CALIB_MODE,
AD9361_CALIB_MODE_AVAIL,
AD9361_RSSI_GAIN_STEP_ERROR,
AD9361_RX_PATH_FREQ,
AD9361_TX_PATH_FREQ,
AD9361_TRX_RATE_GOV,
AD9361_TRX_RATE_GOV_AVAIL,
AD9361_FIR_RX_ENABLE,
AD9361_FIR_TX_ENABLE,
AD9361_FIR_TRX_ENABLE,
AD9361_BBDC_OFFS_ENABLE,
AD9361_RFDC_OFFS_ENABLE,
AD9361_QUAD_ENABLE,
AD9361_DCXO_TUNE_COARSE,
AD9361_DCXO_TUNE_COARSE_AVAILABLE,
AD9361_DCXO_TUNE_FINE,
AD9361_DCXO_TUNE_FINE_AVAILABLE,
AD9361_XO_CORRECTION,
AD9361_XO_CORRECTION_AVAILABLE,
AD9361_MCS_SYNC,
};
static ssize_t ad9361_phy_store(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t len)
{
struct iio_dev *indio_dev = dev_to_iio_dev(dev);
struct iio_dev_attr *this_attr = to_iio_dev_attr(attr);
struct ad9361_rf_phy *phy = iio_priv(indio_dev);
struct ad9361_rf_phy_state *st = phy->state;
long readin;
int ret = 0, arg = -1;
u32 val;
bool res;
if (st->curr_ensm_state == ENSM_STATE_SLEEP &&
this_attr->address != AD9361_ENSM_MODE)
return -EINVAL;
mutex_lock(&indio_dev->mlock);
switch ((u32)this_attr->address) {
case AD9361_RF_RX_BANDWIDTH:
ret = kstrtol(buf, 10, &readin);
if (ret)
break;
readin = ad9361_validate_rf_bw(phy, readin);
if (st->current_rx_bw_Hz != readin)
ret = ad9361_update_rf_bandwidth(phy, readin,
st->current_tx_bw_Hz);
else
ret = 0;
break;
case AD9361_RF_TX_BANDWIDTH:
ret = kstrtol(buf, 10, &readin);
if (ret)
break;
readin = ad9361_validate_rf_bw(phy, readin);
if (st->current_tx_bw_Hz != readin)
ret = ad9361_update_rf_bandwidth(phy,
st->current_rx_bw_Hz, readin);
else
ret = 0;
break;
case AD9361_ENSM_MODE:
res = false;
phy->pdata->fdd_independent_mode = false;
if (sysfs_streq(buf, "tx"))
val = ENSM_STATE_TX;
else if (sysfs_streq(buf, "rx"))
val = ENSM_STATE_RX;
else if (sysfs_streq(buf, "alert"))
val = ENSM_STATE_ALERT;
else if (sysfs_streq(buf, "fdd"))
val = ENSM_STATE_FDD;
else if (sysfs_streq(buf, "wait"))
val = ENSM_STATE_SLEEP_WAIT;
else if (sysfs_streq(buf, "sleep"))
val = ENSM_STATE_SLEEP;
else if (sysfs_streq(buf, "pinctrl")) {
res = true;
val = ENSM_STATE_SLEEP_WAIT;
} else if (sysfs_streq(buf, "pinctrl_fdd_indep")) {
val = ENSM_STATE_FDD;
phy->pdata->fdd_independent_mode = true;
} else
break;
ad9361_set_ensm_mode(phy, phy->pdata->fdd, res);
ret = ad9361_ensm_set_state(phy, val, res);
break;
case AD9361_TRX_RATE_GOV:
if (sysfs_streq(buf, "highest_osr"))
st->rate_governor = 0;
else if (sysfs_streq(buf, "nominal"))
st->rate_governor = 1;
else
ret = -EINVAL;
break;
case AD9361_FIR_TRX_ENABLE:
ret = strtobool(buf, &res);
if (ret < 0)
break;
if ((st->bypass_rx_fir == st->bypass_tx_fir) &&
(st->bypass_rx_fir == !res))
break;
st->bypass_rx_fir = st->bypass_tx_fir = !res;
ret = ad9361_validate_enable_fir(phy);
if (ret < 0) {
st->bypass_rx_fir = true;
st->bypass_tx_fir = true;
}
break;
case AD9361_FIR_RX_ENABLE:
ret = strtobool(buf, &res);
if (ret < 0)
break;
if (st->bypass_rx_fir == !res)
break;
st->bypass_rx_fir = !res;
ret = ad9361_validate_enable_fir(phy);
if (ret < 0) {
st->bypass_rx_fir = true;
}
break;
case AD9361_FIR_TX_ENABLE:
ret = strtobool(buf, &res);
if (ret < 0)
break;
if (st->bypass_tx_fir == !res)
break;
st->bypass_tx_fir = !res;
ret = ad9361_validate_enable_fir(phy);
if (ret < 0) {
st->bypass_tx_fir = true;
}
break;
case AD9361_CALIB_MODE:
val = 0;
if (sysfs_streq(buf, "auto")) {
st->auto_cal_en = true;
st->manual_tx_quad_cal_en = false;
} else if (sysfs_streq(buf, "manual")) {
st->auto_cal_en = false;
st->manual_tx_quad_cal_en = false;
} else if (sysfs_streq(buf, "manual_tx_quad")) {
st->auto_cal_en = false;
st->manual_tx_quad_cal_en = true;
} else if (!strncmp(buf, "tx_quad", 7)) {
ret = sscanf(buf, "tx_quad %d", &arg);
if (ret != 1)
arg = -1;
val = TX_QUAD_CAL;
} else if (sysfs_streq(buf, "rf_dc_offs"))
val = RFDC_CAL;
else if (sysfs_streq(buf, "rssi_gain_step"))
ret = ad9361_rssi_gain_step_calib(phy);
else
break;
if (val)
ret = ad9361_do_calib_run(phy, val, arg);
break;
case AD9361_RSSI_GAIN_STEP_ERROR:
ret = sscanf(buf, "lna_error: %d %d %d %d "
"mixer_error: %d %d %d %d %d %d %d %d "
"%d %d %d %d %d %d %d %d "
"gain_step_calib_reg_val: %d %d %d %d %d",
&phy->pdata->rssi_lna_err_tbl[0],
&phy->pdata->rssi_lna_err_tbl[1],
&phy->pdata->rssi_lna_err_tbl[2],
&phy->pdata->rssi_lna_err_tbl[3],
&phy->pdata->rssi_mixer_err_tbl[0],
&phy->pdata->rssi_mixer_err_tbl[1],
&phy->pdata->rssi_mixer_err_tbl[2],
&phy->pdata->rssi_mixer_err_tbl[3],
&phy->pdata->rssi_mixer_err_tbl[4],
&phy->pdata->rssi_mixer_err_tbl[5],
&phy->pdata->rssi_mixer_err_tbl[6],
&phy->pdata->rssi_mixer_err_tbl[7],
&phy->pdata->rssi_mixer_err_tbl[8],
&phy->pdata->rssi_mixer_err_tbl[9],
&phy->pdata->rssi_mixer_err_tbl[10],
&phy->pdata->rssi_mixer_err_tbl[11],
&phy->pdata->rssi_mixer_err_tbl[12],
&phy->pdata->rssi_mixer_err_tbl[13],
&phy->pdata->rssi_mixer_err_tbl[14],
&phy->pdata->rssi_mixer_err_tbl[15],
&phy->pdata->rssi_gain_step_calib_reg_val[0],
&phy->pdata->rssi_gain_step_calib_reg_val[1],
&phy->pdata->rssi_gain_step_calib_reg_val[2],
&phy->pdata->rssi_gain_step_calib_reg_val[3],
&phy->pdata->rssi_gain_step_calib_reg_val[4]);
if (ret == 25) {
ad9361_ensm_force_state(phy, ENSM_STATE_ALERT);
ad9361_rssi_program_lna_gain(phy);
ad9361_rssi_write_err_tbl(phy);
ad9361_spi_write(phy->spi, REG_SETTLE_TIME,
ENABLE_DIG_GAIN_CORR | SETTLE_TIME(0x10));
ad9361_ensm_restore_prev_state(phy);
ret = 0;
} else
ret = -EINVAL;
break;
case AD9361_BBDC_OFFS_ENABLE:
ret = strtobool(buf, &st->bbdc_track_en);
if (ret < 0)
break;
ret = ad9361_tracking_control(phy, st->bbdc_track_en,
st->rfdc_track_en, st->quad_track_en);
break;
case AD9361_RFDC_OFFS_ENABLE:
ret = strtobool(buf, &st->rfdc_track_en);
if (ret < 0)
break;
ret = ad9361_tracking_control(phy, st->bbdc_track_en,
st->rfdc_track_en, st->quad_track_en);
break;
case AD9361_QUAD_ENABLE:
ret = strtobool(buf, &st->quad_track_en);
if (ret < 0)
break;
ret = ad9361_tracking_control(phy, st->bbdc_track_en,
st->rfdc_track_en, st->quad_track_en);
break;
case AD9361_DCXO_TUNE_COARSE:
ret = kstrtol(buf, 10, &readin);
if (ret)
break;
val = clamp_t(u32, (u32)readin, 0 , 63U);
if (val == phy->pdata->dcxo_coarse)
break;
phy->pdata->dcxo_coarse = val;
ret = ad9361_set_dcxo_tune(phy, phy->pdata->dcxo_coarse,
phy->pdata->dcxo_fine);
break;
case AD9361_DCXO_TUNE_FINE:
ret = kstrtol(buf, 10, &readin);
if (ret)
break;
val = clamp_t(u32, (u32)readin, 0 , 8191U);
if (val == phy->pdata->dcxo_fine)
break;
phy->pdata->dcxo_fine = val;
ret = ad9361_set_dcxo_tune(phy, phy->pdata->dcxo_coarse,
phy->pdata->dcxo_fine);
break;
case AD9361_XO_CORRECTION:
{
unsigned long rx, tx;
ret = kstrtol(buf, 10, &readin);
if (ret)
break;
if (readin == clk_get_rate(phy->clk_refin))
break;
rx = st->current_rx_lo_freq;
tx = st->current_tx_lo_freq;
ret = clk_set_rate(phy->clk_refin, (unsigned long) readin);
if (ret < 0)
break;
ad9361_set_trx_clock_chain(phy, st->current_rx_path_clks, st->current_tx_path_clks);
clk_set_rate(phy->clks[RX_RFPLL], rx);
clk_set_rate(phy->clks[TX_RFPLL], tx);
break;
}
case AD9361_MCS_SYNC:
ret = kstrtol(buf, 10, &readin);
if (ret)
break;
ret = ad9361_mcs(phy, readin);
break;
default:
ret = -EINVAL;
}
mutex_unlock(&indio_dev->mlock);
return ret ? ret : len;
}
static ssize_t ad9361_phy_show(struct device *dev,
struct device_attribute *attr,
char *buf)
{
struct iio_dev *indio_dev = dev_to_iio_dev(dev);
struct iio_dev_attr *this_attr = to_iio_dev_attr(attr);
struct ad9361_rf_phy *phy = iio_priv(indio_dev);
struct ad9361_rf_phy_state *st = phy->state;
int ret = 0;
unsigned long clk[6];
u64 delta;
mutex_lock(&indio_dev->mlock);
switch ((u32)this_attr->address) {
case AD9361_RF_RX_BANDWIDTH:
ret = sprintf(buf, "%u\n", st->current_rx_bw_Hz);
break;
case AD9361_RF_TX_BANDWIDTH:
ret = sprintf(buf, "%u\n", st->current_tx_bw_Hz);
break;
case AD9361_ENSM_MODE:
ret = ad9361_spi_readf(phy->spi, REG_STATE, ENSM_STATE(~0));
if (ret < 0)
break;
if (ret >= ARRAY_SIZE(ad9361_ensm_states) ||
ad9361_ensm_states[ret] == NULL) {
ret = -EIO;
break;
}
ret = sprintf(buf, "%s\n", ad9361_ensm_states[ret]);
break;
case AD9361_ENSM_MODE_AVAIL:
ret = sprintf(buf, "%s\n", phy->pdata->fdd ?
"sleep wait alert fdd pinctrl pinctrl_fdd_indep" :
"sleep wait alert rx tx pinctrl");
break;
case AD9361_TX_PATH_FREQ:
ad9361_get_trx_clock_chain(phy, NULL, clk);
ret = sprintf(buf, "BBPLL:%lu DAC:%lu T2:%lu T1:%lu TF:%lu TXSAMP:%lu\n",
clk[0], clk[1], clk[2], clk[3], clk[4], clk[5]);
break;
case AD9361_RX_PATH_FREQ:
ad9361_get_trx_clock_chain(phy, clk, NULL);
ret = sprintf(buf, "BBPLL:%lu ADC:%lu R2:%lu R1:%lu RF:%lu RXSAMP:%lu\n",
clk[0], clk[1], clk[2], clk[3], clk[4], clk[5]);
break;
case AD9361_TRX_RATE_GOV:
ret = sprintf(buf, "%s\n", st->rate_governor ?
"nominal" : "highest_osr");
break;
case AD9361_TRX_RATE_GOV_AVAIL:
ret = sprintf(buf, "%s\n", "nominal highest_osr");
break;
case AD9361_FIR_RX_ENABLE:
ret = sprintf(buf, "%d\n", !st->bypass_rx_fir);
break;
case AD9361_FIR_TX_ENABLE:
ret = sprintf(buf, "%d\n", !st->bypass_tx_fir);
break;
case AD9361_FIR_TRX_ENABLE:
ret = sprintf(buf, "%d\n", !st->bypass_tx_fir && !st->bypass_rx_fir);
break;
case AD9361_CALIB_MODE_AVAIL:
ret = sprintf(buf, "auto manual manual_tx_quad tx_quad rf_dc_offs rssi_gain_step\n");
break;
case AD9361_CALIB_MODE:
if (st->manual_tx_quad_cal_en)
ret = sprintf(buf, "manual_tx_quad %d\n", st->last_tx_quad_cal_phase);
else
ret = sprintf(buf, "%s\n", st->auto_cal_en ? "auto" : "manual");
break;
case AD9361_RSSI_GAIN_STEP_ERROR:
ret = sprintf(buf, "lna_error: %d %d %d %d\n"
"mixer_error: %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d\n"
"gain_step_calib_reg_val: %d %d %d %d %d\n",
phy->pdata->rssi_lna_err_tbl[0], phy->pdata->rssi_lna_err_tbl[1],
phy->pdata->rssi_lna_err_tbl[2], phy->pdata->rssi_lna_err_tbl[3],
phy->pdata->rssi_mixer_err_tbl[0], phy->pdata->rssi_mixer_err_tbl[1],
phy->pdata->rssi_mixer_err_tbl[2], phy->pdata->rssi_mixer_err_tbl[3],
phy->pdata->rssi_mixer_err_tbl[4], phy->pdata->rssi_mixer_err_tbl[5],
phy->pdata->rssi_mixer_err_tbl[6], phy->pdata->rssi_mixer_err_tbl[7],
phy->pdata->rssi_mixer_err_tbl[8], phy->pdata->rssi_mixer_err_tbl[9],
phy->pdata->rssi_mixer_err_tbl[10], phy->pdata->rssi_mixer_err_tbl[11],
phy->pdata->rssi_mixer_err_tbl[12], phy->pdata->rssi_mixer_err_tbl[13],
phy->pdata->rssi_mixer_err_tbl[14], phy->pdata->rssi_mixer_err_tbl[15],
phy->pdata->rssi_gain_step_calib_reg_val[0],
phy->pdata->rssi_gain_step_calib_reg_val[1],
phy->pdata->rssi_gain_step_calib_reg_val[2],
phy->pdata->rssi_gain_step_calib_reg_val[3],
phy->pdata->rssi_gain_step_calib_reg_val[4]);
break;
case AD9361_BBDC_OFFS_ENABLE:
ret = sprintf(buf, "%d\n", st->bbdc_track_en);
break;
case AD9361_RFDC_OFFS_ENABLE:
ret = sprintf(buf, "%d\n", st->rfdc_track_en);
break;
case AD9361_QUAD_ENABLE:
ret = sprintf(buf, "%d\n", st->quad_track_en);
break;
case AD9361_DCXO_TUNE_COARSE:
if (phy->pdata->use_extclk)
ret = -ENODEV;
else
ret = sprintf(buf, "%d\n", phy->pdata->dcxo_coarse);
break;
case AD9361_DCXO_TUNE_FINE:
if (phy->pdata->use_extclk)
ret = -ENODEV;
else
ret = sprintf(buf, "%d\n", phy->pdata->dcxo_fine);
break;
case AD9361_DCXO_TUNE_COARSE_AVAILABLE:
ret = sprintf(buf, "%s\n", phy->pdata->use_extclk ? "[0 0 0]" : "[0 1 63]");
break;
case AD9361_DCXO_TUNE_FINE_AVAILABLE:
ret = sprintf(buf, "%s\n", phy->pdata->use_extclk ? "[0 0 0]" : "[0 1 8191]");
break;
case AD9361_XO_CORRECTION:
ret = sprintf(buf, "%lu\n", clk_get_rate(phy->clk_refin));
break;
case AD9361_XO_CORRECTION_AVAILABLE:
clk[0] = clk_get_rate(phy->clk_refin);
delta = (u64) clk[0] * (u64) clk_get_accuracy(phy->clk_refin);
do_div(delta, 1000000000U);
ret = sprintf(buf, "[%llu 1 %llu]\n", clk[0] - delta, clk[0] + delta);
break;
default:
ret = -EINVAL;
}
mutex_unlock(&indio_dev->mlock);
return ret;
}
static IIO_DEVICE_ATTR(in_voltage_rf_bandwidth, S_IRUGO | S_IWUSR,
ad9361_phy_show,
ad9361_phy_store,
AD9361_RF_RX_BANDWIDTH);
static IIO_CONST_ATTR(in_voltage_rf_bandwidth_available, "[200000 1 56000000]");
static IIO_DEVICE_ATTR(out_voltage_rf_bandwidth, S_IRUGO | S_IWUSR,
ad9361_phy_show,
ad9361_phy_store,
AD9361_RF_TX_BANDWIDTH);
static IIO_CONST_ATTR(out_voltage_rf_bandwidth_available, "[200000 1 40000000]");
static IIO_DEVICE_ATTR(ensm_mode, S_IRUGO | S_IWUSR,
ad9361_phy_show,
ad9361_phy_store,
AD9361_ENSM_MODE);
static IIO_DEVICE_ATTR(ensm_mode_available, S_IRUGO,
ad9361_phy_show,
NULL,
AD9361_ENSM_MODE_AVAIL);
static IIO_DEVICE_ATTR(calib_mode, S_IRUGO | S_IWUSR,
ad9361_phy_show,
ad9361_phy_store,
AD9361_CALIB_MODE);
static IIO_DEVICE_ATTR(calib_mode_available, S_IRUGO,
ad9361_phy_show,
NULL,
AD9361_CALIB_MODE_AVAIL);
static IIO_DEVICE_ATTR(rssi_gain_step_error, S_IRUGO,
ad9361_phy_show,
ad9361_phy_store,
AD9361_RSSI_GAIN_STEP_ERROR);
static IIO_DEVICE_ATTR(rx_path_rates, S_IRUGO,
ad9361_phy_show,
NULL,
AD9361_RX_PATH_FREQ);
static IIO_DEVICE_ATTR(tx_path_rates, S_IRUGO,
ad9361_phy_show,
NULL,
AD9361_TX_PATH_FREQ);
static IIO_DEVICE_ATTR(trx_rate_governor, S_IRUGO | S_IWUSR,
ad9361_phy_show,
ad9361_phy_store,
AD9361_TRX_RATE_GOV);
static IIO_DEVICE_ATTR(trx_rate_governor_available, S_IRUGO,
ad9361_phy_show,
NULL,
AD9361_TRX_RATE_GOV_AVAIL);
static IIO_DEVICE_ATTR(in_voltage_filter_fir_en, S_IRUGO | S_IWUSR,
ad9361_phy_show,
ad9361_phy_store,
AD9361_FIR_RX_ENABLE);
static IIO_DEVICE_ATTR(out_voltage_filter_fir_en, S_IRUGO | S_IWUSR,
ad9361_phy_show,
ad9361_phy_store,
AD9361_FIR_TX_ENABLE);
static IIO_DEVICE_ATTR(in_out_voltage_filter_fir_en, S_IRUGO | S_IWUSR,
ad9361_phy_show,
ad9361_phy_store,
AD9361_FIR_TRX_ENABLE);
static IIO_DEVICE_ATTR(in_voltage_bb_dc_offset_tracking_en, S_IRUGO | S_IWUSR,
ad9361_phy_show,
ad9361_phy_store,
AD9361_BBDC_OFFS_ENABLE);
static IIO_DEVICE_ATTR(in_voltage_rf_dc_offset_tracking_en, S_IRUGO | S_IWUSR,
ad9361_phy_show,
ad9361_phy_store,
AD9361_RFDC_OFFS_ENABLE);
static IIO_DEVICE_ATTR(in_voltage_quadrature_tracking_en, S_IRUGO | S_IWUSR,
ad9361_phy_show,
ad9361_phy_store,
AD9361_QUAD_ENABLE);
static IIO_DEVICE_ATTR(dcxo_tune_coarse, S_IRUGO | S_IWUSR,
ad9361_phy_show,
ad9361_phy_store,
AD9361_DCXO_TUNE_COARSE);
static IIO_DEVICE_ATTR(dcxo_tune_coarse_available, S_IRUGO,
ad9361_phy_show,
NULL,
AD9361_DCXO_TUNE_COARSE_AVAILABLE);
static IIO_DEVICE_ATTR(dcxo_tune_fine, S_IRUGO | S_IWUSR,
ad9361_phy_show,
ad9361_phy_store,
AD9361_DCXO_TUNE_FINE);
static IIO_DEVICE_ATTR(dcxo_tune_fine_available, S_IRUGO,
ad9361_phy_show,
NULL,
AD9361_DCXO_TUNE_FINE_AVAILABLE);
static IIO_DEVICE_ATTR(xo_correction, S_IRUGO | S_IWUSR,
ad9361_phy_show,
ad9361_phy_store,
AD9361_XO_CORRECTION);
static IIO_DEVICE_ATTR(xo_correction_available, S_IRUGO,
ad9361_phy_show,
NULL,
AD9361_XO_CORRECTION_AVAILABLE);
static IIO_DEVICE_ATTR(multichip_sync, S_IWUSR,
NULL,
ad9361_phy_store,
AD9361_MCS_SYNC);
static struct attribute *ad9361_phy_attributes[] = {
&iio_dev_attr_in_voltage_filter_fir_en.dev_attr.attr,
&iio_dev_attr_out_voltage_filter_fir_en.dev_attr.attr,
&iio_dev_attr_in_out_voltage_filter_fir_en.dev_attr.attr,
&iio_dev_attr_in_voltage_rf_bandwidth.dev_attr.attr,
&iio_dev_attr_out_voltage_rf_bandwidth.dev_attr.attr,
&iio_dev_attr_ensm_mode.dev_attr.attr,
&iio_dev_attr_ensm_mode_available.dev_attr.attr,
&iio_dev_attr_calib_mode.dev_attr.attr,
&iio_dev_attr_calib_mode_available.dev_attr.attr,
&iio_dev_attr_rssi_gain_step_error.dev_attr.attr,
&iio_dev_attr_tx_path_rates.dev_attr.attr,
&iio_dev_attr_rx_path_rates.dev_attr.attr,
&iio_dev_attr_trx_rate_governor.dev_attr.attr,
&iio_dev_attr_trx_rate_governor_available.dev_attr.attr,
&iio_dev_attr_in_voltage_bb_dc_offset_tracking_en.dev_attr.attr,
&iio_dev_attr_in_voltage_rf_dc_offset_tracking_en.dev_attr.attr,
&iio_dev_attr_in_voltage_quadrature_tracking_en.dev_attr.attr,
&iio_dev_attr_dcxo_tune_coarse.dev_attr.attr,
&iio_dev_attr_dcxo_tune_fine.dev_attr.attr,
&iio_dev_attr_xo_correction.dev_attr.attr,
&iio_dev_attr_multichip_sync.dev_attr.attr,
&iio_const_attr_in_voltage_rf_bandwidth_available.dev_attr.attr,
&iio_const_attr_out_voltage_rf_bandwidth_available.dev_attr.attr,
&iio_dev_attr_dcxo_tune_coarse_available.dev_attr.attr,
&iio_dev_attr_dcxo_tune_fine_available.dev_attr.attr,
&iio_dev_attr_xo_correction_available.dev_attr.attr,
NULL,
};
static const struct attribute_group ad9361_phy_attribute_group = {
.attrs = ad9361_phy_attributes,
};
static int ad9361_phy_reg_access(struct iio_dev *indio_dev,
u32 reg, u32 writeval,
u32 *readval)
{
struct ad9361_rf_phy *phy = iio_priv(indio_dev);
int ret;
mutex_lock(&indio_dev->mlock);
if (readval == NULL) {
ret = ad9361_spi_write(phy->spi, reg, writeval);
} else {
*readval = ad9361_spi_read(phy->spi, reg);
ret = 0;
}
mutex_unlock(&indio_dev->mlock);
return ret;
}
enum lo_ext_info {
LOEXT_FREQ,
LOEXT_FREQ_AVAILABLE,
LOEXT_STORE,
LOEXT_RECALL,
LOEXT_LOAD,
LOEXT_SAVE,
LOEXT_EXTERNAL,
LOEXT_PD,
};
static ssize_t ad9361_phy_lo_write(struct iio_dev *indio_dev,
uintptr_t private,
const struct iio_chan_spec *chan,
const char *buf, size_t len)
{
struct ad9361_rf_phy *phy = iio_priv(indio_dev);
struct ad9361_rf_phy_state *st = phy->state;
u64 readin;
bool res;
int ret = 0;
if (st->curr_ensm_state == ENSM_STATE_SLEEP)
return -EINVAL;
if (private != LOEXT_LOAD) {
}
switch (private) {
case LOEXT_FREQ:
case LOEXT_STORE:
case LOEXT_RECALL:
case LOEXT_SAVE:
ret = kstrtoull(buf, 10, &readin);
if (ret)
return ret;
break;
case LOEXT_EXTERNAL:
case LOEXT_PD:
ret = strtobool(buf, &res);
if (ret < 0)
return ret;
break;
case LOEXT_LOAD:
break;
}
mutex_lock(&indio_dev->mlock);
switch (private) {
case LOEXT_FREQ:
switch (chan->channel) {
case 0:
ret = clk_set_rate(phy->clks[RX_RFPLL],
ad9361_to_clk(readin));
break;
case 1:
ret = clk_set_rate(phy->clks[TX_RFPLL],
ad9361_to_clk(readin));
if (test_bit(0, &st->flags))
wait_for_completion(&phy->complete);
break;
default:
ret = -EINVAL;
}
break;
case LOEXT_STORE:
ret = ad9361_fastlock_store(phy, chan->channel == 1, readin);
break;
case LOEXT_RECALL:
ret = ad9361_fastlock_recall(phy, chan->channel == 1, readin);
break;
case LOEXT_LOAD: {
char *line, *ptr = (char*) buf;
u8 faslock_vals[16];
u32 profile = 0, val, val2, i = 0;
while ((line = strsep(&ptr, ","))) {
if (line >= buf + len)
break;
ret = sscanf(line, "%u %u", &val, &val2);
if (ret == 1) {
faslock_vals[i++] = val;
continue;
} else if (ret == 2) {
profile = val;
faslock_vals[i++] = val2;
continue;
}
}
if (i == 16)
ret = ad9361_fastlock_load(phy, chan->channel == 1,
profile, faslock_vals);
else
ret = -EINVAL;
break;
}
case LOEXT_SAVE:
st->fastlock.save_profile = readin;
break;
case LOEXT_EXTERNAL:
switch(spi_get_device_id(phy->spi)->driver_data) {
case ID_AD9363A:
ret = -ENODEV;
break;
default:
switch (chan->channel) {
case 0:
if (phy->clk_ext_lo_rx)
ret = clk_set_parent(phy->clks[RX_RFPLL],
res ? phy->clk_ext_lo_rx :
phy->clks[RX_RFPLL_INT]);
else
ret = -ENODEV;
break;
case 1:
if (phy->clk_ext_lo_tx)
ret = clk_set_parent(phy->clks[TX_RFPLL],
res ? phy->clk_ext_lo_tx :
phy->clks[TX_RFPLL_INT]);
else
ret = -ENODEV;
break;
default:
ret = -EINVAL;
}
}
break;
case LOEXT_PD:
switch (chan->channel) {
case 0:
ret = ad9361_synth_lo_powerdown(phy, res ? LO_OFF : LO_ON, LO_DONTCARE);
break;
case 1:
ret = ad9361_synth_lo_powerdown(phy, LO_DONTCARE, res ? LO_OFF : LO_ON);
break;
}
break;
}
mutex_unlock(&indio_dev->mlock);
return ret ? ret : len;
}
static ssize_t ad9361_phy_lo_read(struct iio_dev *indio_dev,
uintptr_t private,
const struct iio_chan_spec *chan,
char *buf)
{
struct ad9361_rf_phy *phy = iio_priv(indio_dev);
struct ad9361_rf_phy_state *st = phy->state;
u64 val = 0;
size_t len;
int ret = 0;
mutex_lock(&indio_dev->mlock);
switch (private) {
case LOEXT_FREQ:
val = ad9361_from_clk(clk_get_rate(phy->clks[chan->channel ?
TX_RFPLL : RX_RFPLL]));
break;
case LOEXT_SAVE: {
u8 faslock_vals[16];
int i;
ret = ad9361_fastlock_save(phy, chan->channel == 1,
st->fastlock.save_profile, faslock_vals);
len = sprintf(buf, "%u ", st->fastlock.save_profile);
for (i = 0; i < RX_FAST_LOCK_CONFIG_WORD_NUM; i++)
len += sprintf(buf + len, "%u%c", faslock_vals[i],
i == 15 ? '\n' : ',');
mutex_unlock(&indio_dev->mlock);
return len;
}
case LOEXT_RECALL:
ret = st->fastlock.current_profile[chan->channel == 1];
if (ret == 0)
ret = -EINVAL;
else
val = ret - 1;
break;
case LOEXT_EXTERNAL:
switch (chan->channel) {
case 0:
val = clk_get_parent(phy->clks[RX_RFPLL]) != phy->clks[RX_RFPLL_INT];
break;
case 1:
val = clk_get_parent(phy->clks[TX_RFPLL]) != phy->clks[TX_RFPLL_INT];
break;
default:
ret = -EINVAL;
}
break;
case LOEXT_PD:
val = !!(st->cached_synth_pd[chan->channel ? 0 : 1] & RX_LO_POWER_DOWN);
break;
case LOEXT_FREQ_AVAILABLE: {
u64 min, max;
switch(spi_get_device_id(phy->spi)->driver_data) {
case ID_AD9363A:
min = AD9363A_MIN_CARRIER_FREQ_HZ;
max = AD9363A_MAX_CARRIER_FREQ_HZ;
break;
default:
min = chan->channel ? MIN_TX_CARRIER_FREQ_HZ : MIN_RX_CARRIER_FREQ_HZ;
max = MAX_CARRIER_FREQ_HZ;
break;
}
len = sprintf(buf, "[%llu 1 %llu]\n", min, max);
mutex_unlock(&indio_dev->mlock);
return len;
}
default:
ret = 0;
}
mutex_unlock(&indio_dev->mlock);
return ret < 0 ? ret : sprintf(buf, "%llu\n", val);
}
#define _AD9361_EXT_LO_INFO(_name, _ident) { \
.name = _name, \
.read = ad9361_phy_lo_read, \
.write = ad9361_phy_lo_write, \
.private = _ident, \
}
#define _AD9361_EXT_LO_INFO_RO(_name, _ident) { \
.name = _name, \
.read = ad9361_phy_lo_read, \
.private = _ident, \
}
static const struct iio_chan_spec_ext_info ad9361_phy_ext_info[] = {
/* Ideally we use IIO_CHAN_INFO_FREQUENCY, but there are
* values > 2^32 in order to support the entire frequency range
* in Hz. Using scale is a bit ugly.
*/
_AD9361_EXT_LO_INFO("frequency", LOEXT_FREQ),
_AD9361_EXT_LO_INFO_RO("frequency_available", LOEXT_FREQ_AVAILABLE),
_AD9361_EXT_LO_INFO("fastlock_store", LOEXT_STORE),
_AD9361_EXT_LO_INFO("fastlock_recall", LOEXT_RECALL),
_AD9361_EXT_LO_INFO("fastlock_load", LOEXT_LOAD),
_AD9361_EXT_LO_INFO("fastlock_save", LOEXT_SAVE),
_AD9361_EXT_LO_INFO("external", LOEXT_EXTERNAL),
_AD9361_EXT_LO_INFO("powerdown", LOEXT_PD),
{ },
};
static int ad9361_set_agc_mode(struct iio_dev *indio_dev,
const struct iio_chan_spec *chan, u32 mode)
{
struct ad9361_rf_phy *phy = iio_priv(indio_dev);
struct ad9361_rf_phy_state *st = phy->state;
struct rf_gain_ctrl gc = {0};
if (st->agc_mode[chan->channel] == mode)
return 0;
gc.ant = ad9361_1rx1tx_channel_map(phy, false, chan->channel + 1);
gc.mode = st->agc_mode[chan->channel] = mode;
return ad9361_set_gain_ctrl_mode(phy, &gc);
}
static int ad9361_get_agc_mode(struct iio_dev *indio_dev,
const struct iio_chan_spec *chan)
{
struct ad9361_rf_phy *phy = iio_priv(indio_dev);
struct ad9361_rf_phy_state *st = phy->state;
return st->agc_mode[chan->channel];
}
static const char * const ad9361_agc_modes[] =
{"manual", "fast_attack", "slow_attack", "hybrid"};
static const struct iio_enum ad9361_agc_modes_available = {
.items = ad9361_agc_modes,
.num_items = ARRAY_SIZE(ad9361_agc_modes),
.get = ad9361_get_agc_mode,
.set = ad9361_set_agc_mode,
};
static int ad9361_set_rf_port(struct iio_dev *indio_dev,
const struct iio_chan_spec *chan, u32 mode)
{
struct ad9361_rf_phy *phy = iio_priv(indio_dev);
struct ad9361_rf_phy_state *st = phy->state;
if (chan->output) {
if (phy->pdata->rf_tx_output_sel_lock &&
mode != st->rf_tx_output_sel)
return -EINVAL;
return ad9361_set_tx_port(phy, mode);
} else {
if (phy->pdata->rf_rx_input_sel_lock &&
mode != st->rf_rx_input_sel)
return -EINVAL;
return ad9361_set_rx_port(phy, mode);
}
}
static int ad9361_get_rf_port(struct iio_dev *indio_dev,
const struct iio_chan_spec *chan)
{
struct ad9361_rf_phy *phy = iio_priv(indio_dev);
struct ad9361_rf_phy_state *st = phy->state;
if (chan->output)
return st->rf_tx_output_sel;
else
return st->rf_rx_input_sel;
}
static const char * const ad9361_rf_rx_port[] =
{"A_BALANCED", "B_BALANCED", "C_BALANCED",
"A_N", "A_P", "B_N", "B_P", "C_N", "C_P", "TX_MONITOR1",
"TX_MONITOR2", "TX_MONITOR1_2"};
static const struct iio_enum ad9361_rf_rx_port_available = {
.items = ad9361_rf_rx_port,
.num_items = ARRAY_SIZE(ad9361_rf_rx_port),
.get = ad9361_get_rf_port,
.set = ad9361_set_rf_port,
};
static const char * const ad9361_rf_tx_port[] =
{"A", "B"};
static const struct iio_enum ad9361_rf_tx_port_available = {
.items = ad9361_rf_tx_port,
.num_items = ARRAY_SIZE(ad9361_rf_tx_port),
.get = ad9361_get_rf_port,
.set = ad9361_set_rf_port,
};
static ssize_t ad9361_phy_rx_write(struct iio_dev *indio_dev,
uintptr_t private,
const struct iio_chan_spec *chan,
const char *buf, size_t len)
{
// struct ad9361_rf_phy *phy = iio_priv(indio_dev);
u64 readin;
int ret = 0;
ret = kstrtoull(buf, 10, &readin);
if (ret)
return ret;
mutex_lock(&indio_dev->mlock);
switch (chan->channel) {
case 0:
break;
case 1:
break;
default:
ret = -EINVAL;
ret = 0;
}
mutex_unlock(&indio_dev->mlock);
return ret ? ret : len;
}
static ssize_t ad9361_phy_rx_read(struct iio_dev *indio_dev,
uintptr_t private,
const struct iio_chan_spec *chan,
char *buf)
{
struct ad9361_rf_phy *phy = iio_priv(indio_dev);
struct rf_rssi rssi = {0};
int val;
int ret = 0;
mutex_lock(&indio_dev->mlock);
rssi.ant = ad9361_1rx1tx_channel_map(phy, false, chan->channel + 1);
rssi.duration = 1;
ret = ad9361_read_rssi(phy, &rssi);
val = rssi.symbol;
mutex_unlock(&indio_dev->mlock);
return ret < 0 ? ret : sprintf(buf, "%u.%02u dB\n",
val / rssi.multiplier, val % rssi.multiplier);
}
#define _AD9361_EXT_RX_INFO(_name, _ident) { \
.name = _name, \
.read = ad9361_phy_rx_read, \
.write = ad9361_phy_rx_write, \
.private = _ident, \
}
static ssize_t ad9361_phy_tx_read(struct iio_dev *indio_dev,
uintptr_t private,
const struct iio_chan_spec *chan,
char *buf)
{
struct ad9361_rf_phy *phy = iio_priv(indio_dev);
u8 reg_val_buf[3];
u32 val;
int ret;
mutex_lock(&indio_dev->mlock);
ret = ad9361_spi_readm(phy->spi, REG_TX_RSSI_LSB,
reg_val_buf, ARRAY_SIZE(reg_val_buf));
switch (chan->channel) {
case 0:
val = (reg_val_buf[2] << 1) | (reg_val_buf[0] & TX_RSSI_1);
break;
case 1:
val = (reg_val_buf[1] << 1) | ((reg_val_buf[0] & TX_RSSI_2) >> 1);
break;
default:
ret = -EINVAL;
}
mutex_unlock(&indio_dev->mlock);
val *= RSSI_RESOLUTION;
return ret < 0 ? ret : sprintf(buf, "%u.%02u dB\n",
val / RSSI_MULTIPLIER, val % RSSI_MULTIPLIER);
}
#define _AD9361_EXT_TX_INFO(_name, _ident) { \
.name = _name, \
.read = ad9361_phy_tx_read, \
.private = _ident, \
}
static const struct iio_chan_spec_ext_info ad9361_phy_rx_ext_info[] = {
/* Ideally we use IIO_CHAN_INFO_FREQUENCY, but there are
* values > 2^32 in order to support the entire frequency range
* in Hz. Using scale is a bit ugly.
*/
IIO_ENUM_AVAILABLE("gain_control_mode", &ad9361_agc_modes_available),
IIO_ENUM("gain_control_mode", false, &ad9361_agc_modes_available),
_AD9361_EXT_RX_INFO("rssi", 1),
IIO_ENUM_AVAILABLE("rf_port_select", &ad9361_rf_rx_port_available),
IIO_ENUM("rf_port_select", false, &ad9361_rf_rx_port_available),
{ },
};
static const struct iio_chan_spec_ext_info ad9361_phy_tx_ext_info[] = {
IIO_ENUM_AVAILABLE("rf_port_select", &ad9361_rf_tx_port_available),
IIO_ENUM("rf_port_select", false, &ad9361_rf_tx_port_available),
_AD9361_EXT_TX_INFO("rssi", 0),
{ },
};
static int ad9361_phy_read_raw(struct iio_dev *indio_dev,
struct iio_chan_spec const *chan,
int *val,
int *val2,
long m)
{
struct ad9361_rf_phy *phy = iio_priv(indio_dev);
int ret;
mutex_lock(&indio_dev->mlock);
switch (m) {
case IIO_CHAN_INFO_HARDWAREGAIN:
if (chan->output) {
ret = ad9361_get_tx_atten(phy,
ad9361_1rx1tx_channel_map(phy, true,
chan->channel + 1));
if (ret < 0) {
ret = -EINVAL;
goto out_unlock;
}
*val = -1 * (ret / 1000);
*val2 = (ret % 1000) * 1000;
if (!*val)
*val2 *= -1;
} else {
struct rf_rx_gain rx_gain = {0};
ret = ad9361_get_rx_gain(phy, ad9361_1rx1tx_channel_map(phy,
false, chan->channel + 1), &rx_gain);
*val = rx_gain.gain_db;
*val2 = 0;
}
ret = IIO_VAL_INT_PLUS_MICRO_DB;
break;
case IIO_CHAN_INFO_SAMP_FREQ:
if (chan->output)
*val = (int)clk_get_rate(phy->clks[TX_SAMPL_CLK]);
else
*val = (int)clk_get_rate(phy->clks[RX_SAMPL_CLK]);
ret = IIO_VAL_INT;
break;
case IIO_CHAN_INFO_PROCESSED:
*val = ad9361_get_temp(phy);
ret = IIO_VAL_INT;
break;
case IIO_CHAN_INFO_RAW:
if (chan->output) {
if (chan->channel == 2)
ret = ad9361_auxdac_get(phy, 1);
else if (chan->channel == 3)
ret = ad9361_auxdac_get(phy, 2);
else
ret = -EINVAL;
if (ret >= 0) {
*val = ret;
ret = IIO_VAL_INT;
}
} else {
ret = ad9361_get_auxadc(phy);
if (ret >= 0) {
*val = ret;
ret = IIO_VAL_INT;
}
}
break;
case IIO_CHAN_INFO_OFFSET:
*val = 57; /* AuxADC */
ret = IIO_VAL_INT;
break;
case IIO_CHAN_INFO_SCALE:
if (chan->output) {
*val = 1; /* AuxDAC */
*val2 = 0;
} else {
*val = 0; /* AuxADC */
*val2 = 305250;
}
ret = IIO_VAL_INT_PLUS_MICRO;
break;
default:
ret = -EINVAL;
}
out_unlock:
mutex_unlock(&indio_dev->mlock);
return ret;
};
static int ad9361_phy_write_raw(struct iio_dev *indio_dev,
struct iio_chan_spec const *chan,
int val,
int val2,
long mask)
{
struct ad9361_rf_phy *phy = iio_priv(indio_dev);
struct ad9361_rf_phy_state *st = phy->state;
u32 code;
int ret;
if (st->curr_ensm_state == ENSM_STATE_SLEEP)
return -EINVAL;
mutex_lock(&indio_dev->mlock);
switch (mask) {
case IIO_CHAN_INFO_HARDWAREGAIN:
if (chan->output) {
int ch;
if (val > 0 || (val == 0 && val2 > 0)) {
ret = -EINVAL;
goto out;
}
code = ((abs(val) * 1000) + (abs(val2) / 1000));
ch = ad9361_1rx1tx_channel_map(phy, true, chan->channel);
ret = ad9361_set_tx_atten(phy, code, ch == 0, ch == 1,
!phy->pdata->update_tx_gain_via_alert);
} else {
struct rf_rx_gain rx_gain = {0};
rx_gain.gain_db = val;
ret = ad9361_set_rx_gain(phy,
ad9361_1rx1tx_channel_map(phy, false,
chan->channel + 1), &rx_gain);
}
break;
case IIO_CHAN_INFO_SAMP_FREQ:
if (st->rx_eq_2tx && (chan->output == 0)) {
ret = 0;
break;
}
ret = ad9361_set_trx_clock_chain_freq(phy, val);
if (ret < 0)
goto out;
ret = ad9361_update_rf_bandwidth(phy, st->current_rx_bw_Hz,
st->current_tx_bw_Hz);
break;
case IIO_CHAN_INFO_RAW:
if (chan->output) {
if (chan->channel == 2)
ret = ad9361_auxdac_set(phy, 1, val);
else if (chan->channel == 3)
ret = ad9361_auxdac_set(phy, 2, val);
else
ret = -EINVAL;
} else {
ret = -EINVAL;
}
break;
default:
ret = -EINVAL;
}
out:
mutex_unlock(&indio_dev->mlock);
return ret;
}
static int ad9361_phy_read_avail(struct iio_dev *indio_dev,
struct iio_chan_spec const *chan,
const int **vals, int *type, int *length,
long mask)
{
struct ad9361_rf_phy *phy = iio_priv(indio_dev);
struct ad9361_rf_phy_state *st = phy->state;
switch (mask) {
case IIO_CHAN_INFO_HARDWAREGAIN:
if (chan->output) {
static const int tx_hw_gain[3] = {-89750, 250, 0};
*vals = tx_hw_gain;
*type = IIO_VAL_INT;
return IIO_AVAIL_RANGE;
} else {
st->rx_gain_avail[0] = phy->gt_info[ad9361_gt(phy)].abs_gain_tbl[0];
st->rx_gain_avail[1] = 1;
st->rx_gain_avail[2] = phy->gt_info[ad9361_gt(phy)].abs_gain_tbl[phy->gt_info[ad9361_gt(phy)].max_index - 1];
*vals = st->rx_gain_avail;
*type = IIO_VAL_INT;
return IIO_AVAIL_RANGE;
}
break;
case IIO_CHAN_INFO_SAMP_FREQ: {
int int_dec, max;
if (phy->pdata->port_ctrl.pp_conf[2] & LVDS_MODE)
max = 61440000U;
else
max = 61440000U / (phy->pdata->rx2tx2 ? 2 : 1);
if (chan->output) {
if (st->bypass_tx_fir)
int_dec = 1;
else
int_dec = st->tx_fir_int;
st->tx_sampl_freq_avail[0] = MIN_ADC_CLK / (12 * int_dec);
st->tx_sampl_freq_avail[1] = 1;
st->tx_sampl_freq_avail[2] = max;
*vals = st->tx_sampl_freq_avail;
*type = IIO_VAL_INT;
return IIO_AVAIL_RANGE;
} else {
if (st->bypass_rx_fir)
int_dec = 1;
else
int_dec = st->rx_fir_dec;
st->rx_sampl_freq_avail[0] = MIN_ADC_CLK / (12 * int_dec);
st->rx_sampl_freq_avail[1] = 1;
st->rx_sampl_freq_avail[2] = max;
*vals = st->rx_sampl_freq_avail;
*type = IIO_VAL_INT;
return IIO_AVAIL_RANGE;
}
break;
}
}
return -EINVAL;
}
static const struct iio_chan_spec ad9361_phy_chan[] = {
{
.type = IIO_TEMP,
.indexed = 1,
.channel = 0,
.info_mask_separate = BIT(IIO_CHAN_INFO_PROCESSED),
}, { /* RX LO */
.type = IIO_ALTVOLTAGE,
.indexed = 1,
.output = 1,
.channel = 0,
.extend_name = "RX_LO",
.ext_info = ad9361_phy_ext_info,
}, { /* TX LO */
.type = IIO_ALTVOLTAGE,
.indexed = 1,
.output = 1,
.channel = 1,
.extend_name = "TX_LO",
.ext_info = ad9361_phy_ext_info,
}, { /* TX1 */
.type = IIO_VOLTAGE,
.indexed = 1,
.output = 1,
.channel = 0,
.info_mask_separate = BIT(IIO_CHAN_INFO_HARDWAREGAIN),
.info_mask_separate_available = BIT(IIO_CHAN_INFO_HARDWAREGAIN),
.info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SAMP_FREQ),
.info_mask_shared_by_type_available = BIT(IIO_CHAN_INFO_SAMP_FREQ),
.ext_info = ad9361_phy_tx_ext_info,
}, { /* RX1 */
.type = IIO_VOLTAGE,
.indexed = 1,
.channel = 0,
.info_mask_separate = BIT(IIO_CHAN_INFO_HARDWAREGAIN),
.info_mask_separate_available = BIT(IIO_CHAN_INFO_HARDWAREGAIN),
.info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SAMP_FREQ),
.info_mask_shared_by_type_available = BIT(IIO_CHAN_INFO_SAMP_FREQ),
.ext_info = ad9361_phy_rx_ext_info,
}, { /* AUXDAC1 */
.type = IIO_VOLTAGE,
.indexed = 1,
.output = 1,
.channel = 2,
.info_mask_separate = BIT(IIO_CHAN_INFO_RAW) | BIT(IIO_CHAN_INFO_SCALE),
}, { /* AUXDAC2 */
.type = IIO_VOLTAGE,
.indexed = 1,
.output = 1,
.channel = 3,
.info_mask_separate = BIT(IIO_CHAN_INFO_RAW) | BIT(IIO_CHAN_INFO_SCALE),
}, { /* AUXADC1 */
.type = IIO_VOLTAGE,
.indexed = 1,
.channel = 2,
.info_mask_separate = BIT(IIO_CHAN_INFO_RAW) |
BIT(IIO_CHAN_INFO_SCALE) | BIT(IIO_CHAN_INFO_OFFSET),
}, { /* TX2 */
.type = IIO_VOLTAGE,
.indexed = 1,
.output = 1,
.channel = 1,
.info_mask_separate = BIT(IIO_CHAN_INFO_HARDWAREGAIN),
.info_mask_separate_available = BIT(IIO_CHAN_INFO_HARDWAREGAIN),
.info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SAMP_FREQ),
.info_mask_shared_by_type_available = BIT(IIO_CHAN_INFO_SAMP_FREQ),
.ext_info = ad9361_phy_tx_ext_info,
}, { /* RX2 */
.type = IIO_VOLTAGE,
.indexed = 1,
.channel = 1,
.info_mask_separate = BIT(IIO_CHAN_INFO_HARDWAREGAIN),
.info_mask_separate_available = BIT(IIO_CHAN_INFO_HARDWAREGAIN),
.info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SAMP_FREQ),
.info_mask_shared_by_type_available = BIT(IIO_CHAN_INFO_SAMP_FREQ),
.ext_info = ad9361_phy_rx_ext_info,
}};
static const struct iio_info ad9361_phy_info = {
.read_raw = &ad9361_phy_read_raw,
.write_raw = &ad9361_phy_write_raw,
.read_avail = ad9361_phy_read_avail,
.debugfs_reg_access = &ad9361_phy_reg_access,
.attrs = &ad9361_phy_attribute_group,
.driver_module = THIS_MODULE,
};
#ifdef CONFIG_OF
static ssize_t ad9361_debugfs_read(struct file *file, char __user *userbuf,
size_t count, loff_t *ppos)
{
struct ad9361_debugfs_entry *entry = file->private_data;
struct ad9361_rf_phy *phy = entry->phy;
char buf[700];
u32 val = 0;
ssize_t len = 0;
int ret;
if (entry->out_value) {
switch (entry->size){
case 1:
val = *(u8*)entry->out_value;
break;
case 2:
val = *(u16*)entry->out_value;
break;
case 4:
val = *(u32*)entry->out_value;
break;
case 5:
val = *(bool*)entry->out_value;
break;
default:
ret = -EINVAL;
}
} else if (entry->cmd == DBGFS_RXGAIN_1 || entry->cmd == DBGFS_RXGAIN_2) {
struct rf_rx_gain rx_gain = {0};
mutex_lock(&phy->indio_dev->mlock);
ret = ad9361_get_rx_gain(phy, (entry->cmd == DBGFS_RXGAIN_1) ?
1 : 2, &rx_gain);
mutex_unlock(&phy->indio_dev->mlock);
if (ret < 0)
return ret;
len = snprintf(buf, sizeof(buf), "%d %u %u %u %u %u %u %u\n",
rx_gain.gain_db,
rx_gain.fgt_lmt_index,
rx_gain.digital_gain,
rx_gain.lmt_gain,
rx_gain.lpf_gain,
rx_gain.lna_index,
rx_gain.tia_index,
rx_gain.mixer_index);
} else if (entry->cmd == DBGFS_BIST_DT_ANALYSIS) {
if (entry->val)
len = ad9361_dig_interface_timing_analysis(phy,
buf, sizeof(buf));
entry->val = 0;
} else if (entry->cmd) {
val = entry->val;
} else
return -EFAULT;
if (!len)
len = snprintf(buf, sizeof(buf), "%u\n", val);
return simple_read_from_buffer(userbuf, count, ppos, buf, len);
}
static ssize_t ad9361_debugfs_write(struct file *file,
const char __user *userbuf, size_t count, loff_t *ppos)
{
struct ad9361_debugfs_entry *entry = file->private_data;
struct ad9361_rf_phy *phy = entry->phy;
u32 val, val2, val3, val4;
char buf[80];
int ret;
count = min_t(size_t, count, (sizeof(buf)-1));
if (copy_from_user(buf, userbuf, count))
return -EFAULT;
buf[count] = 0;
ret = sscanf(buf, "%i %i %i %i", &val, &val2, &val3, &val4);
if (ret < 1)
return -EINVAL;
switch (entry->cmd) {
case DBGFS_INIT:
if (!(ret == 1 && val == 1))
return -EINVAL;
mutex_lock(&phy->indio_dev->mlock);
clk_set_rate(phy->clks[TX_SAMPL_CLK], 1);
clk_set_parent(phy->clks[RX_RFPLL], phy->clk_ext_lo_rx);
clk_set_parent(phy->clks[TX_RFPLL], phy->clk_ext_lo_tx);
ad9361_reset(phy);
ad9361_clks_resync(phy);
ad9361_clks_disable(phy);
ad9361_clear_state(phy);
ret = ad9361_setup(phy);
mutex_unlock(&phy->indio_dev->mlock);
if (ret < 0)
return ret;
return count;
case DBGFS_LOOPBACK:
if (ret != 1)
return -EINVAL;
mutex_lock(&phy->indio_dev->mlock);
ret = ad9361_bist_loopback(phy, val);
mutex_unlock(&phy->indio_dev->mlock);
if (ret < 0)
return ret;
entry->val = val;
return count;
case DBGFS_BIST_PRBS:
if (ret != 1)
return -EINVAL;
mutex_lock(&phy->indio_dev->mlock);
ret = ad9361_bist_prbs(phy, val);
mutex_unlock(&phy->indio_dev->mlock);
if (ret < 0)
return ret;
entry->val = val;
return count;
case DBGFS_BIST_TONE:
if (ret != 4)
return -EINVAL;
mutex_lock(&phy->indio_dev->mlock);
ret = ad9361_bist_tone(phy, val, val2, val3, val4);
mutex_unlock(&phy->indio_dev->mlock);
if (ret < 0)
return ret;
entry->val = val;
return count;
case DBGFS_MCS:
if (ret != 1)
return -EINVAL;
mutex_lock(&phy->indio_dev->mlock);
ret = ad9361_mcs(phy, val);
mutex_unlock(&phy->indio_dev->mlock);
if (ret < 0)
return ret;
entry->val = val;
return count;
case DBGFS_CAL_SW_CTRL:
if (ret != 1)
return -EINVAL;
if (phy->pdata->cal_sw1_gpio &&
phy->pdata->cal_sw2_gpio) {
mutex_lock(&phy->indio_dev->mlock);
gpiod_set_value(phy->pdata->cal_sw1_gpio, !!(val & BIT(0)));
gpiod_set_value(phy->pdata->cal_sw2_gpio, !!(val & BIT(1)));
mutex_unlock(&phy->indio_dev->mlock);
} else {
return -ENODEV;
}
entry->val = val;
return count;
case DBGFS_DIGITAL_TUNE:
if (ret != 2)
return -EINVAL;
mutex_lock(&phy->indio_dev->mlock);
ret = ad9361_dig_tune(phy, val, val2);
mutex_unlock(&phy->indio_dev->mlock);
if (ret < 0)
return ret;
entry->val = val;
return count;
case DBGFS_BIST_DT_ANALYSIS:
entry->val = val;
return count;
default:
break;
}
if (entry->out_value) {
switch (entry->size){
case 1:
*(u8*)entry->out_value = val;
break;
case 2:
*(u16*)entry->out_value = val;
break;
case 4:
*(u32*)entry->out_value = val;
break;
case 5:
*(bool*)entry->out_value = val;
break;
default:
ret = -EINVAL;
}
}
return count;
}
static const struct file_operations ad9361_debugfs_reg_fops = {
.open = simple_open,
.read = ad9361_debugfs_read,
.write = ad9361_debugfs_write,
};
static void ad9361_add_debugfs_entry(struct ad9361_rf_phy *phy,
const char *propname, unsigned int cmd)
{
unsigned int i = phy->ad9361_debugfs_entry_index;
if (WARN_ON(i >= ARRAY_SIZE(phy->debugfs_entry)))
return;
phy->debugfs_entry[i].phy = phy;
phy->debugfs_entry[i].propname = propname;
phy->debugfs_entry[i].cmd = cmd;
phy->ad9361_debugfs_entry_index++;
}
static int ad9361_register_debugfs(struct iio_dev *indio_dev)
{
struct ad9361_rf_phy *phy = iio_priv(indio_dev);
struct dentry *d;
int i;
if (!iio_get_debugfs_dentry(indio_dev))
return -ENODEV;
ad9361_add_debugfs_entry(phy, "initialize", DBGFS_INIT);
ad9361_add_debugfs_entry(phy, "loopback", DBGFS_LOOPBACK);
ad9361_add_debugfs_entry(phy, "bist_prbs", DBGFS_BIST_PRBS);
ad9361_add_debugfs_entry(phy, "bist_tone", DBGFS_BIST_TONE);
ad9361_add_debugfs_entry(phy, "bist_timing_analysis",
DBGFS_BIST_DT_ANALYSIS);
ad9361_add_debugfs_entry(phy, "gaininfo_rx1", DBGFS_RXGAIN_1);
ad9361_add_debugfs_entry(phy, "gaininfo_rx2", DBGFS_RXGAIN_2);
ad9361_add_debugfs_entry(phy, "multichip_sync", DBGFS_MCS);
ad9361_add_debugfs_entry(phy, "calibration_switch_control",
DBGFS_CAL_SW_CTRL);
ad9361_add_debugfs_entry(phy, "digital_tune", DBGFS_DIGITAL_TUNE);
for (i = 0; i < phy->ad9361_debugfs_entry_index; i++)
d = debugfs_create_file(
phy->debugfs_entry[i].propname, 0644,
iio_get_debugfs_dentry(indio_dev),
&phy->debugfs_entry[i],
&ad9361_debugfs_reg_fops);
return 0;
}
struct ad9361_dport_config {
u8 reg;
u8 offset;
char name[40];
};
static const struct ad9361_dport_config ad9361_dport_config[] = {
{1, 7, "adi,pp-tx-swap-enable"},
{1, 6, "adi,pp-rx-swap-enable"},
{1, 5, "adi,tx-channel-swap-enable"},
{1, 4, "adi,rx-channel-swap-enable"},
{1, 3, "adi,rx-frame-pulse-mode-enable"},
{1, 2, "adi,2t2r-timing-enable"},
{1, 1, "adi,invert-data-bus-enable"},
{1, 0, "adi,invert-data-clk-enable"},
{2, 7, "adi,fdd-alt-word-order-enable"},
{2, 2, "adi,invert-rx-frame-enable"},
{3, 7, "adi,fdd-rx-rate-2tx-enable"},
{3, 6, "adi,swap-ports-enable"},
{3, 5, "adi,single-data-rate-enable"},
{3, 4, "adi,lvds-mode-enable"},
{3, 3, "adi,half-duplex-mode-enable"},
{3, 2, "adi,single-port-mode-enable"},
{3, 1, "adi,full-port-enable"},
{3, 0, "adi,full-duplex-swap-bits-enable"},
};
static int __ad9361_of_get_u32(struct iio_dev *indio_dev,
struct device_node *np, const char *propname,
u32 defval, void *out_value, u32 size)
{
struct ad9361_rf_phy *phy = iio_priv(indio_dev);
u32 tmp = defval;
int ret;
ret = of_property_read_u32(np, propname, &tmp);
if (out_value) {
switch (size){
case 1:
*(u8*)out_value = tmp;
break;
case 2:
*(u16*)out_value = tmp;
break;
case 4:
*(u32*)out_value = tmp;
break;
default:
ret = -EINVAL;
}
}
if (WARN_ON(phy->ad9361_debugfs_entry_index >=
ARRAY_SIZE(phy->debugfs_entry)))
return ret;
phy->debugfs_entry[phy->ad9361_debugfs_entry_index++] =
(struct ad9361_debugfs_entry) {
.out_value = out_value,
.propname = propname,
.size = size,
.phy = phy,
};
return ret;
}
#define ad9361_of_get_u32(iodev, dnp, name, def, outp) \
__ad9361_of_get_u32(iodev, dnp, name, def, outp, sizeof(*outp))
static void ad9361_of_get_bool(struct iio_dev *indio_dev, struct device_node *np,
const char *propname, bool *out_value)
{
struct ad9361_rf_phy *phy = iio_priv(indio_dev);
*out_value = of_property_read_bool(np, propname);
if (WARN_ON(phy->ad9361_debugfs_entry_index >=
ARRAY_SIZE(phy->debugfs_entry)))
return;
phy->debugfs_entry[phy->ad9361_debugfs_entry_index++] =
(struct ad9361_debugfs_entry) {
.out_value = out_value,
.propname = propname,
.phy = phy,
.size = 5,
};
}
static struct ad9361_phy_platform_data
*ad9361_phy_parse_dt(struct iio_dev *iodev, struct device *dev)
{
struct device_node *np = dev->of_node;
struct ad9361_rf_phy *phy = iio_priv(iodev);
struct ad9361_rf_phy_state *st = phy->state;
struct ad9361_phy_platform_data *pdata;
u32 tx_path_clks[NUM_TX_CLOCKS];
u32 rx_path_clks[NUM_RX_CLOCKS];
u32 tmp;
u64 tmpl;
u32 array[6] = {0};
int ret, i;
pdata = devm_kzalloc(dev, sizeof(*pdata), GFP_KERNEL);
if (!pdata) {
dev_err(dev, "could not allocate memory for platform data\n");
return NULL;
}
ad9361_of_get_bool(iodev, np, "adi,frequency-division-duplex-mode-enable",
&pdata->fdd);
ad9361_of_get_bool(iodev, np, "adi,frequency-division-duplex-independent-mode-enable",
&pdata->fdd_independent_mode);
ad9361_of_get_bool(iodev, np, "adi,ensm-enable-pin-pulse-mode-enable",
&pdata->ensm_pin_pulse_mode);
ad9361_of_get_bool(iodev, np, "adi,ensm-enable-txnrx-control-enable",
&pdata->ensm_pin_ctrl);
ad9361_of_get_bool(iodev, np, "adi,debug-mode-enable",
&pdata->debug_mode);
ad9361_of_get_bool(iodev, np, "adi,tdd-use-dual-synth-mode-enable",
&pdata->tdd_use_dual_synth);
ad9361_of_get_bool(iodev, np, "adi,tdd-skip-vco-cal-enable",
&pdata->tdd_skip_vco_cal);
ad9361_of_get_u32(iodev, np, "adi,tx-fastlock-delay-ns", 0,
&pdata->rx_fastlock_delay_ns);
ad9361_of_get_u32(iodev, np, "adi,rx-fastlock-delay-ns", 0,
&pdata->tx_fastlock_delay_ns);
ad9361_of_get_bool(iodev, np, "adi,rx-fastlock-pincontrol-enable",
&pdata->trx_fastlock_pinctrl_en[0]);
ad9361_of_get_bool(iodev, np, "adi,tx-fastlock-pincontrol-enable",
&pdata->trx_fastlock_pinctrl_en[1]);
for (i = 0; i < ARRAY_SIZE(ad9361_dport_config); i++)
pdata->port_ctrl.pp_conf[ad9361_dport_config[i].reg - 1] |=
(of_property_read_bool(np, ad9361_dport_config[i].name)
<< ad9361_dport_config[i].offset);
tmp = 0;
of_property_read_u32(np, "adi,delay-rx-data", &tmp);
pdata->port_ctrl.pp_conf[1] |= (tmp & 0x3);
tmp = 0;
of_property_read_u32(np, "adi,rx-data-clock-delay", &tmp);
pdata->port_ctrl.rx_clk_data_delay = DATA_CLK_DELAY(tmp);
tmp = 0;
of_property_read_u32(np, "adi,rx-data-delay", &tmp);
pdata->port_ctrl.rx_clk_data_delay |= RX_DATA_DELAY(tmp);
tmp = 0;
of_property_read_u32(np, "adi,tx-fb-clock-delay", &tmp);
pdata->port_ctrl.tx_clk_data_delay = FB_CLK_DELAY(tmp);
tmp = 0;
of_property_read_u32(np, "adi,tx-data-delay", &tmp);
pdata->port_ctrl.tx_clk_data_delay |= TX_DATA_DELAY(tmp);
tmp = 75;
of_property_read_u32(np, "adi,lvds-bias-mV", &tmp);
pdata->port_ctrl.lvds_bias_ctrl = ((tmp - 75) / 75) & 0x7;
pdata->port_ctrl.lvds_bias_ctrl |= (of_property_read_bool(np,
"adi,lvds-rx-onchip-termination-enable") << 5);
tmp = 0xFF;
of_property_read_u32(np, "adi,lvds-invert1-control", &tmp);
pdata->port_ctrl.lvds_invert[0] = tmp;
tmp = 0x0F;
of_property_read_u32(np, "adi,lvds-invert2-control", &tmp);
pdata->port_ctrl.lvds_invert[1] = tmp;
ad9361_of_get_u32(iodev, np, "adi,digital-interface-tune-skip-mode", 0,
&pdata->dig_interface_tune_skipmode);
ad9361_of_get_bool(iodev, np, "adi,digital-interface-tune-fir-disable",
&pdata->dig_interface_tune_fir_disable);
ad9361_of_get_bool(iodev, np, "adi,2rx-2tx-mode-enable", &pdata->rx2tx2);
ad9361_of_get_u32(iodev, np, "adi,1rx-1tx-mode-use-rx-num", 1,
&pdata->rx1tx1_mode_use_rx_num);
ad9361_of_get_u32(iodev, np, "adi,1rx-1tx-mode-use-tx-num", 1,
&pdata->rx1tx1_mode_use_tx_num);
ad9361_of_get_bool(iodev, np, "adi,split-gain-table-mode-enable",
&pdata->split_gt);
ad9361_of_get_u32(iodev, np, "adi,rx-rf-port-input-select", 0,
&st->rf_rx_input_sel);
ad9361_of_get_u32(iodev, np, "adi,tx-rf-port-input-select", 0,
&st->rf_tx_output_sel);
ad9361_of_get_bool(iodev, np, "adi,rx-rf-port-input-select-lock-enable",
&pdata->rf_rx_input_sel_lock);
ad9361_of_get_bool(iodev, np, "adi,tx-rf-port-input-select-lock-enable",
&pdata->rf_tx_output_sel_lock);
ad9361_of_get_bool(iodev, np, "adi,rx1-rx2-phase-inversion-enable",
&pdata->rx1rx2_phase_inversion_en);
ad9361_of_get_u32(iodev, np, "adi,trx-synthesizer-target-fref-overwrite-hz",
MAX_SYNTH_FREF, &pdata->trx_synth_max_fref);
ad9361_of_get_bool(iodev, np, "adi,tx-lo-powerdown-managed-enable",
&pdata->lo_powerdown_managed_en);
tmpl = 2400000000ULL;
of_property_read_u64(np, "adi,rx-synthesizer-frequency-hz", &tmpl);
pdata->rx_synth_freq = tmpl;
tmpl = 2440000000ULL;
of_property_read_u64(np, "adi,tx-synthesizer-frequency-hz", &tmpl);
pdata->tx_synth_freq = tmpl;
ret = of_property_read_u32_array(np, "adi,dcxo-coarse-and-fine-tune",
array, 2);
pdata->dcxo_coarse = (ret < 0) ? 8 : array[0];
pdata->dcxo_fine = (ret < 0) ? 5920 : array[1];
switch(spi_get_device_id(phy->spi)->driver_data) {
case ID_AD9363A:
pdata->use_extclk = true;
pdata->use_ext_tx_lo = false;
pdata->use_ext_rx_lo = false;
break;
default:
ad9361_of_get_bool(iodev, np, "adi,xo-disable-use-ext-refclk-enable",
&pdata->use_extclk);
ad9361_of_get_bool(iodev, np, "adi,external-tx-lo-enable",
&pdata->use_ext_tx_lo);
ad9361_of_get_bool(iodev, np, "adi,external-rx-lo-enable",
&pdata->use_ext_rx_lo);
}
ad9361_of_get_u32(iodev, np, "adi,clk-output-mode-select", CLKOUT_DISABLE,
&pdata->ad9361_clkout_mode);
/*
* adi,dc-offset-tracking-update-event-mask:
* BIT(0) Apply a new tracking word when a gain change occurs.
* BIT(1) Apply a new tracking word when the received signal is
* less than the SOI Threshold.
* BIT(2) Apply a new tracking word after the device exits the
* receive state.
*/
ad9361_of_get_u32(iodev, np, "adi,dc-offset-tracking-update-event-mask", 5,
&pdata->dc_offset_update_events);
ad9361_of_get_u32(iodev, np, "adi,dc-offset-attenuation-high-range", 6,
&pdata->dc_offset_attenuation_high);
ad9361_of_get_u32(iodev, np, "adi,dc-offset-attenuation-low-range", 5,
&pdata->dc_offset_attenuation_low);
ad9361_of_get_u32(iodev, np, "adi,dc-offset-count-high-range", 0x28,
&pdata->rf_dc_offset_count_high);
ad9361_of_get_u32(iodev, np, "adi,dc-offset-count-low-range", 0x32,
&pdata->rf_dc_offset_count_low);
ad9361_of_get_bool(iodev, np, "adi,qec-tracking-slow-mode-enable",
&pdata->qec_tracking_slow_mode_en);
ret = of_property_read_u32_array(np, "adi,rx-path-clock-frequencies",
rx_path_clks, ARRAY_SIZE(rx_path_clks));
if (ret < 0)
return NULL;
for (i = 0; i < ARRAY_SIZE(rx_path_clks); i++)
pdata->rx_path_clks[i] = rx_path_clks[i];
ret = of_property_read_u32_array(np, "adi,tx-path-clock-frequencies",
tx_path_clks, ARRAY_SIZE(tx_path_clks));
if (ret < 0)
return NULL;
for (i = 0; i < ARRAY_SIZE(tx_path_clks); i++)
pdata->tx_path_clks[i] = tx_path_clks[i];
ad9361_of_get_u32(iodev, np, "adi,rf-rx-bandwidth-hz", 18000000UL,
&pdata->rf_rx_bandwidth_Hz);
ad9361_of_get_u32(iodev, np, "adi,rf-tx-bandwidth-hz", 18000000UL,
&pdata->rf_tx_bandwidth_Hz);
ad9361_of_get_u32(iodev, np, "adi,tx-attenuation-mdB", 10000, &pdata->tx_atten);
ad9361_of_get_bool(iodev, np, "adi,update-tx-gain-in-alert-enable",
&pdata->update_tx_gain_via_alert);
/* Gain Control */
ad9361_of_get_u32(iodev, np, "adi,gc-rx1-mode", 0, &pdata->gain_ctrl.rx1_mode);
ad9361_of_get_u32(iodev, np, "adi,gc-rx2-mode", 0, &pdata->gain_ctrl.rx2_mode);
ad9361_of_get_u32(iodev, np, "adi,gc-adc-ovr-sample-size", 4,
&pdata->gain_ctrl.adc_ovr_sample_size);
ad9361_of_get_u32(iodev, np, "adi,gc-adc-small-overload-thresh", 47,
&pdata->gain_ctrl.adc_small_overload_thresh);
ad9361_of_get_u32(iodev, np, "adi,gc-adc-large-overload-thresh", 58,
&pdata->gain_ctrl.adc_large_overload_thresh);
ad9361_of_get_u32(iodev, np, "adi,gc-lmt-overload-high-thresh", 800,
&pdata->gain_ctrl.lmt_overload_high_thresh);
ad9361_of_get_u32(iodev, np, "adi,gc-lmt-overload-low-thresh", 704,
&pdata->gain_ctrl.lmt_overload_low_thresh);
ad9361_of_get_u32(iodev, np, "adi,gc-dec-pow-measurement-duration", 8192,
&pdata->gain_ctrl.dec_pow_measuremnt_duration);
ad9361_of_get_u32(iodev, np, "adi,gc-low-power-thresh", 24,
&pdata->gain_ctrl.low_power_thresh);
ad9361_of_get_bool(iodev, np, "adi,gc-dig-gain-enable",
&pdata->gain_ctrl.dig_gain_en);
ad9361_of_get_u32(iodev, np, "adi,gc-max-dig-gain", 15,
&pdata->gain_ctrl.max_dig_gain);
ad9361_of_get_bool(iodev, np, "adi,gc-use-rx-fir-out-for-dec-pwr-meas-enable",
&pdata->gain_ctrl.use_rx_fir_out_for_dec_pwr_meas);
ad9361_of_get_bool(iodev, np, "adi,mgc-rx1-ctrl-inp-enable",
&pdata->gain_ctrl.mgc_rx1_ctrl_inp_en);
ad9361_of_get_bool(iodev, np, "adi,mgc-rx2-ctrl-inp-enable",
&pdata->gain_ctrl.mgc_rx2_ctrl_inp_en);
ad9361_of_get_u32(iodev, np, "adi,mgc-inc-gain-step", 2,
&pdata->gain_ctrl.mgc_inc_gain_step);
ad9361_of_get_u32(iodev, np, "adi,mgc-dec-gain-step", 2,
&pdata->gain_ctrl.mgc_dec_gain_step);
ad9361_of_get_u32(iodev, np, "adi,mgc-split-table-ctrl-inp-gain-mode", 0,
&pdata->gain_ctrl.mgc_split_table_ctrl_inp_gain_mode);
ad9361_of_get_u32(iodev, np, "adi,agc-attack-delay-extra-margin-us", 1,
&pdata->gain_ctrl.agc_attack_delay_extra_margin_us);
ad9361_of_get_u32(iodev, np, "adi,agc-outer-thresh-high", 5,
&pdata->gain_ctrl.agc_outer_thresh_high);
ad9361_of_get_u32(iodev, np, "adi,agc-outer-thresh-high-dec-steps", 2,
&pdata->gain_ctrl.agc_outer_thresh_high_dec_steps);
ad9361_of_get_u32(iodev, np, "adi,agc-inner-thresh-high", 10,
&pdata->gain_ctrl.agc_inner_thresh_high);
ad9361_of_get_u32(iodev, np, "adi,agc-inner-thresh-high-dec-steps", 1,
&pdata->gain_ctrl.agc_inner_thresh_high_dec_steps);
ad9361_of_get_u32(iodev, np, "adi,agc-inner-thresh-low", 12,
&pdata->gain_ctrl.agc_inner_thresh_low);
ad9361_of_get_u32(iodev, np, "adi,agc-inner-thresh-low-inc-steps", 1,
&pdata->gain_ctrl.agc_inner_thresh_low_inc_steps);
ad9361_of_get_u32(iodev, np, "adi,agc-outer-thresh-low", 18,
&pdata->gain_ctrl.agc_outer_thresh_low);
ad9361_of_get_u32(iodev, np, "adi,agc-outer-thresh-low-inc-steps", 2,
&pdata->gain_ctrl.agc_outer_thresh_low_inc_steps);
ad9361_of_get_u32(iodev, np, "adi,agc-adc-small-overload-exceed-counter", 10,
&pdata->gain_ctrl.adc_small_overload_exceed_counter);
ad9361_of_get_u32(iodev, np, "adi,agc-adc-large-overload-exceed-counter", 10,
&pdata->gain_ctrl.adc_large_overload_exceed_counter);
ad9361_of_get_u32(iodev, np, "adi,agc-adc-large-overload-inc-steps", 2,
&pdata->gain_ctrl.adc_large_overload_inc_steps); /* Name is misleading should be dec-steps */
ad9361_of_get_bool(iodev, np, "adi,agc-adc-lmt-small-overload-prevent-gain-inc-enable",
&pdata->gain_ctrl.adc_lmt_small_overload_prevent_gain_inc);
ad9361_of_get_u32(iodev, np, "adi,agc-lmt-overload-large-exceed-counter", 10,
&pdata->gain_ctrl.lmt_overload_large_exceed_counter);
ad9361_of_get_u32(iodev, np, "adi,agc-lmt-overload-small-exceed-counter", 10,
&pdata->gain_ctrl.lmt_overload_small_exceed_counter);
ad9361_of_get_u32(iodev, np, "adi,agc-lmt-overload-large-inc-steps", 2,
&pdata->gain_ctrl.lmt_overload_large_inc_steps);
ad9361_of_get_u32(iodev, np, "adi,agc-dig-saturation-exceed-counter", 3,
&pdata->gain_ctrl.dig_saturation_exceed_counter);
ad9361_of_get_u32(iodev, np, "adi,agc-dig-gain-step-size", 4,
&pdata->gain_ctrl.dig_gain_step_size);
ad9361_of_get_bool(iodev, np, "adi,agc-sync-for-gain-counter-enable",
&pdata->gain_ctrl.sync_for_gain_counter_en);
ad9361_of_get_u32(iodev, np, "adi,agc-gain-update-interval-us", 1000,
&pdata->gain_ctrl.gain_update_interval_us);
ad9361_of_get_bool(iodev, np, "adi,agc-immed-gain-change-if-large-adc-overload-enable",
&pdata->gain_ctrl.immed_gain_change_if_large_adc_overload);
ad9361_of_get_bool(iodev, np, "adi,agc-immed-gain-change-if-large-lmt-overload-enable",
&pdata->gain_ctrl.immed_gain_change_if_large_lmt_overload);
/*
* Fast AGC
*/
ad9361_of_get_u32(iodev, np, "adi,fagc-dec-pow-measurement-duration", 64,
&pdata->gain_ctrl.f_agc_dec_pow_measuremnt_duration);
ad9361_of_get_u32(iodev, np, "adi,fagc-state-wait-time-ns", 260,
&pdata->gain_ctrl.f_agc_state_wait_time_ns); /* 0x117 0..31 RX samples -> time-ns */
/* Fast AGC - Low Power */
ad9361_of_get_bool(iodev, np, "adi,fagc-allow-agc-gain-increase-enable",
&pdata->gain_ctrl.f_agc_allow_agc_gain_increase); /* 0x110:1 */
ad9361_of_get_u32(iodev, np, "adi,fagc-lp-thresh-increment-time", 5,
&pdata->gain_ctrl.f_agc_lp_thresh_increment_time); /* 0x11B RX samples */
ad9361_of_get_u32(iodev, np, "adi,fagc-lp-thresh-increment-steps", 1,
&pdata->gain_ctrl.f_agc_lp_thresh_increment_steps); /* 0x117 1..8 */
ad9361_of_get_bool(iodev, np, "adi,fagc-lock-level-lmt-gain-increase-enable",
&pdata->gain_ctrl.f_agc_lock_level_lmt_gain_increase_en); /* 0x111:6 (split table)*/
ad9361_of_get_u32(iodev, np, "adi,fagc-lock-level-gain-increase-upper-limit", 5,
&pdata->gain_ctrl.f_agc_lock_level_gain_increase_upper_limit); /* 0x118 0..63 */
/* Fast AGC - Peak Detectors and Final Settling */
ad9361_of_get_u32(iodev, np, "adi,fagc-lpf-final-settling-steps", 1,
&pdata->gain_ctrl.f_agc_lpf_final_settling_steps); /* 0x112:6 0..3 (Post Lock Level Step)*/
ad9361_of_get_u32(iodev, np, "adi,fagc-lmt-final-settling-steps", 1,
&pdata->gain_ctrl.f_agc_lmt_final_settling_steps); /* 0x113:6 0..3 (Post Lock Level Step)*/
ad9361_of_get_u32(iodev, np, "adi,fagc-final-overrange-count", 3,
&pdata->gain_ctrl.f_agc_final_overrange_count); /* 0x116:5 0..7 */
/* Fast AGC - Final Power Test */
ad9361_of_get_bool(iodev, np, "adi,fagc-gain-increase-after-gain-lock-enable",
&pdata->gain_ctrl.f_agc_gain_increase_after_gain_lock_en); /* 0x110:7 */
/* Fast AGC - Unlocking the Gain */
/* 0 = MAX Gain, 1 = Optimized Gain, 2 = Set Gain */
ad9361_of_get_u32(iodev, np, "adi,fagc-gain-index-type-after-exit-rx-mode", 0,
&pdata->gain_ctrl.f_agc_gain_index_type_after_exit_rx_mode); /* 0x110:[4,2] */
ad9361_of_get_bool(iodev, np, "adi,fagc-use-last-lock-level-for-set-gain-enable",
&pdata->gain_ctrl.f_agc_use_last_lock_level_for_set_gain_en); /* 0x111:7 */
ad9361_of_get_bool(iodev, np, "adi,fagc-rst-gla-stronger-sig-thresh-exceeded-enable",
&pdata->gain_ctrl.f_agc_rst_gla_stronger_sig_thresh_exceeded_en); /* 0x111:7 */
ad9361_of_get_u32(iodev, np, "adi,fagc-optimized-gain-offset", 5,
&pdata->gain_ctrl.f_agc_optimized_gain_offset); /*0x116 0..15 steps */
ad9361_of_get_u32(iodev, np, "adi,fagc-rst-gla-stronger-sig-thresh-above-ll", 10,
&pdata->gain_ctrl.f_agc_rst_gla_stronger_sig_thresh_above_ll); /*0x113 0..63 dbFS */
ad9361_of_get_bool(iodev, np, "adi,fagc-rst-gla-engergy-lost-sig-thresh-exceeded-enable",
&pdata->gain_ctrl.f_agc_rst_gla_engergy_lost_sig_thresh_exceeded_en); /* 0x110:6 */
ad9361_of_get_bool(iodev, np, "adi,fagc-rst-gla-engergy-lost-goto-optim-gain-enable",
&pdata->gain_ctrl.f_agc_rst_gla_engergy_lost_goto_optim_gain_en); /* 0x110:6 */
ad9361_of_get_u32(iodev, np, "adi,fagc-rst-gla-engergy-lost-sig-thresh-below-ll", 10,
&pdata->gain_ctrl.f_agc_rst_gla_engergy_lost_sig_thresh_below_ll); /* 0x112 */
ad9361_of_get_u32(iodev, np, "adi,fagc-energy-lost-stronger-sig-gain-lock-exit-cnt", 8,
&pdata->gain_ctrl.f_agc_energy_lost_stronger_sig_gain_lock_exit_cnt); /* 0x119 0..63 RX samples */
ad9361_of_get_bool(iodev, np, "adi,fagc-rst-gla-large-adc-overload-enable",
&pdata->gain_ctrl.f_agc_rst_gla_large_adc_overload_en); /*0x110:~1 and 0x114:~7 */
ad9361_of_get_bool(iodev, np, "adi,fagc-rst-gla-large-lmt-overload-enable",
&pdata->gain_ctrl.f_agc_rst_gla_large_lmt_overload_en); /*0x110:~1 */
ad9361_of_get_bool(iodev, np, "adi,fagc-rst-gla-en-agc-pulled-high-enable",
&pdata->gain_ctrl.f_agc_rst_gla_en_agc_pulled_high_en);
ad9361_of_get_u32(iodev, np, "adi,fagc-rst-gla-if-en-agc-pulled-high-mode", 0,
&pdata->gain_ctrl.f_agc_rst_gla_if_en_agc_pulled_high_mode); /* 0x0FB, 0x111 */
ad9361_of_get_u32(iodev, np, "adi,fagc-power-measurement-duration-in-state5", 64,
&pdata->gain_ctrl.f_agc_power_measurement_duration_in_state5); /* 0x109, 0x10a RX samples 0..524288 */
ad9361_of_get_u32(iodev, np, "adi,fagc-adc-large-overload-inc-steps", 2, /* 0x106 [D6:D4] 0..7 */
&pdata->gain_ctrl.f_agc_large_overload_inc_steps); /* Name is misleading should be dec-steps */
/* RSSI Control */
ad9361_of_get_u32(iodev, np, "adi,rssi-restart-mode", 3,
&pdata->rssi_ctrl.restart_mode);
ad9361_of_get_bool(iodev, np, "adi,rssi-unit-is-rx-samples-enable",
&pdata->rssi_ctrl.rssi_unit_is_rx_samples);
ad9361_of_get_u32(iodev, np, "adi,rssi-delay", 1,
&pdata->rssi_ctrl.rssi_delay);
ad9361_of_get_u32(iodev, np, "adi,rssi-wait", 1,
&pdata->rssi_ctrl.rssi_wait);
ad9361_of_get_u32(iodev, np, "adi,rssi-duration", 1000,
&pdata->rssi_ctrl.rssi_duration);
/* RSSI Gain Step Error Tables */
ret = of_property_read_u32_array(np,
"adi,rssi-gain-step-lna-error-table",
pdata->rssi_lna_err_tbl, 4);
ret |= of_property_read_u32_array(np,
"adi,rssi-gain-step-mixer-error-table",
pdata->rssi_mixer_err_tbl, 16);
ret |= of_property_read_u32_array(np,
"adi,rssi-gain-step-calibration-register-values",
pdata->rssi_gain_step_calib_reg_val, 5);
if (ret)
pdata->rssi_skip_calib = true;
else
pdata->rssi_skip_calib = false;
/* Control Outs Control */
ad9361_of_get_u32(iodev, np, "adi,ctrl-outs-index", 0,
&pdata->ctrl_outs_ctrl.index);
ad9361_of_get_u32(iodev, np, "adi,ctrl-outs-enable-mask", 0xFF,
&pdata->ctrl_outs_ctrl.en_mask);
/* eLNA Control */
ad9361_of_get_u32(iodev, np, "adi,elna-settling-delay-ns", 0,
&pdata->elna_ctrl.settling_delay_ns);
ad9361_of_get_u32(iodev, np, "adi,elna-gain-mdB", 0,
&pdata->elna_ctrl.gain_mdB);
ad9361_of_get_u32(iodev, np, "adi,elna-bypass-loss-mdB", 0,
&pdata->elna_ctrl.bypass_loss_mdB);
ad9361_of_get_bool(iodev, np, "adi,elna-rx1-gpo0-control-enable",
&pdata->elna_ctrl.elna_1_control_en);
ad9361_of_get_bool(iodev, np, "adi,elna-rx2-gpo1-control-enable",
&pdata->elna_ctrl.elna_2_control_en);
ad9361_of_get_bool(iodev, np, "adi,elna-gaintable-all-index-enable",
&pdata->elna_ctrl.elna_in_gaintable_all_index_en);
/* AuxADC Temp Sense Control */
ad9361_of_get_u32(iodev, np, "adi,temp-sense-measurement-interval-ms", 1000,
&pdata->auxadc_ctrl.temp_time_inteval_ms);
ad9361_of_get_u32(iodev, np, "adi,temp-sense-offset-signed", 0xBD,
&pdata->auxadc_ctrl.offset); /* signed */
ad9361_of_get_bool(iodev, np, "adi,temp-sense-periodic-measurement-enable",
&pdata->auxadc_ctrl.periodic_temp_measuremnt);
ad9361_of_get_u32(iodev, np, "adi,temp-sense-decimation", 256,
&pdata->auxadc_ctrl.temp_sensor_decimation);
ad9361_of_get_u32(iodev, np, "adi,aux-adc-rate", 40000000UL,
&pdata->auxadc_ctrl.auxadc_clock_rate);
ad9361_of_get_u32(iodev, np, "adi,aux-adc-decimation", 256,
&pdata->auxadc_ctrl.auxadc_decimation);
/* AuxDAC Control */
ad9361_of_get_bool(iodev, np, "adi,aux-dac-manual-mode-enable",
&pdata->auxdac_ctrl.auxdac_manual_mode_en);
ad9361_of_get_u32(iodev, np, "adi,aux-dac1-default-value-mV", 0,
&pdata->auxdac_ctrl.dac1_default_value);
ad9361_of_get_bool(iodev, np, "adi,aux-dac1-active-in-rx-enable",
&pdata->auxdac_ctrl.dac1_in_rx_en);
ad9361_of_get_bool(iodev, np, "adi,aux-dac1-active-in-tx-enable",
&pdata->auxdac_ctrl.dac1_in_tx_en);
ad9361_of_get_bool(iodev, np, "adi,aux-dac1-active-in-alert-enable",
&pdata->auxdac_ctrl.dac1_in_alert_en);
ad9361_of_get_u32(iodev, np, "adi,aux-dac1-rx-delay-us", 0,
&pdata->auxdac_ctrl.dac1_rx_delay_us);
ad9361_of_get_u32(iodev, np, "adi,aux-dac1-tx-delay-us", 0,
&pdata->auxdac_ctrl.dac1_tx_delay_us);
ad9361_of_get_u32(iodev, np, "adi,aux-dac2-default-value-mV", 0,
&pdata->auxdac_ctrl.dac2_default_value);
ad9361_of_get_bool(iodev, np, "adi,aux-dac2-active-in-rx-enable",
&pdata->auxdac_ctrl.dac2_in_rx_en);
ad9361_of_get_bool(iodev, np, "adi,aux-dac2-active-in-tx-enable",
&pdata->auxdac_ctrl.dac2_in_tx_en);
ad9361_of_get_bool(iodev, np, "adi,aux-dac2-active-in-alert-enable",
&pdata->auxdac_ctrl.dac2_in_alert_en);
ad9361_of_get_u32(iodev, np, "adi,aux-dac2-rx-delay-us", 0,
&pdata->auxdac_ctrl.dac2_rx_delay_us);
ad9361_of_get_u32(iodev, np, "adi,aux-dac2-tx-delay-us", 0,
&pdata->auxdac_ctrl.dac2_tx_delay_us);
/* GPO Control */
ad9361_of_get_bool(iodev, np, "adi,gpo-manual-mode-enable",
&pdata->gpo_ctrl.gpo_manual_mode_en);
ad9361_of_get_u32(iodev, np, "adi,gpo-manual-mode-enable-mask", 0,
&pdata->gpo_ctrl.gpo_manual_mode_enable_mask);
ad9361_of_get_bool(iodev, np, "adi,gpo0-inactive-state-high-enable",
&pdata->gpo_ctrl.gpo0_inactive_state_high_en);
ad9361_of_get_bool(iodev, np, "adi,gpo1-inactive-state-high-enable",
&pdata->gpo_ctrl.gpo1_inactive_state_high_en);
ad9361_of_get_bool(iodev, np, "adi,gpo2-inactive-state-high-enable",
&pdata->gpo_ctrl.gpo2_inactive_state_high_en);
ad9361_of_get_bool(iodev, np, "adi,gpo3-inactive-state-high-enable",
&pdata->gpo_ctrl.gpo3_inactive_state_high_en);
ad9361_of_get_bool(iodev, np, "adi,gpo0-slave-rx-enable",
&pdata->gpo_ctrl.gpo0_slave_rx_en);
ad9361_of_get_bool(iodev, np, "adi,gpo0-slave-tx-enable",
&pdata->gpo_ctrl.gpo0_slave_tx_en);
ad9361_of_get_bool(iodev, np, "adi,gpo1-slave-rx-enable",
&pdata->gpo_ctrl.gpo1_slave_rx_en);
ad9361_of_get_bool(iodev, np, "adi,gpo1-slave-tx-enable",
&pdata->gpo_ctrl.gpo1_slave_tx_en);
ad9361_of_get_bool(iodev, np, "adi,gpo2-slave-rx-enable",
&pdata->gpo_ctrl.gpo2_slave_rx_en);
ad9361_of_get_bool(iodev, np, "adi,gpo2-slave-tx-enable",
&pdata->gpo_ctrl.gpo2_slave_tx_en);
ad9361_of_get_bool(iodev, np, "adi,gpo3-slave-rx-enable",
&pdata->gpo_ctrl.gpo3_slave_rx_en);
ad9361_of_get_bool(iodev, np, "adi,gpo3-slave-tx-enable",
&pdata->gpo_ctrl.gpo3_slave_tx_en);
ad9361_of_get_u32(iodev, np, "adi,gpo0-rx-delay-us", 0,
&pdata->gpo_ctrl.gpo0_rx_delay_us);
ad9361_of_get_u32(iodev, np, "adi,gpo0-tx-delay-us", 0,
&pdata->gpo_ctrl.gpo0_tx_delay_us);
ad9361_of_get_u32(iodev, np, "adi,gpo1-rx-delay-us", 0,
&pdata->gpo_ctrl.gpo1_rx_delay_us);
ad9361_of_get_u32(iodev, np, "adi,gpo1-tx-delay-us", 0,
&pdata->gpo_ctrl.gpo1_tx_delay_us);
ad9361_of_get_u32(iodev, np, "adi,gpo2-rx-delay-us", 0,
&pdata->gpo_ctrl.gpo2_rx_delay_us);
ad9361_of_get_u32(iodev, np, "adi,gpo2-tx-delay-us", 0,
&pdata->gpo_ctrl.gpo2_tx_delay_us);
ad9361_of_get_u32(iodev, np, "adi,gpo3-rx-delay-us", 0,
&pdata->gpo_ctrl.gpo3_rx_delay_us);
ad9361_of_get_u32(iodev, np, "adi,gpo3-tx-delay-us", 0,
&pdata->gpo_ctrl.gpo3_tx_delay_us);
/* Tx Monitor Control */
ad9361_of_get_u32(iodev, np, "adi,txmon-low-high-thresh", 37000,
&pdata->txmon_ctrl.low_high_gain_threshold_mdB);
ad9361_of_get_u32(iodev, np, "adi,txmon-low-gain", 0,
&pdata->txmon_ctrl.low_gain_dB);
ad9361_of_get_u32(iodev, np, "adi,txmon-high-gain", 24,
&pdata->txmon_ctrl.high_gain_dB);
ad9361_of_get_bool(iodev, np, "adi,txmon-dc-tracking-enable",
&pdata->txmon_ctrl.tx_mon_track_en);
ad9361_of_get_bool(iodev, np, "adi,txmon-one-shot-mode-enable",
&pdata->txmon_ctrl.one_shot_mode_en);
ad9361_of_get_u32(iodev, np, "adi,txmon-delay", 511,
&pdata->txmon_ctrl.tx_mon_delay);
ad9361_of_get_u32(iodev, np, "adi,txmon-duration", 8192,
&pdata->txmon_ctrl.tx_mon_duration);
ad9361_of_get_u32(iodev, np, "adi,txmon-1-front-end-gain", 2,
&pdata->txmon_ctrl.tx1_mon_front_end_gain);
ad9361_of_get_u32(iodev, np, "adi,txmon-2-front-end-gain", 2,
&pdata->txmon_ctrl.tx2_mon_front_end_gain);
ad9361_of_get_u32(iodev, np, "adi,txmon-1-lo-cm", 48,
&pdata->txmon_ctrl.tx1_mon_lo_cm);
ad9361_of_get_u32(iodev, np, "adi,txmon-2-lo-cm", 48,
&pdata->txmon_ctrl.tx2_mon_lo_cm);
return pdata;
}
#else
static inline struct ad9361_phy_platform_data
*ad9361_phy_parse_dt(struct iio_dev *iodev, struct device *dev)
{
return NULL;
}
#endif
static ssize_t
ad9361_fir_bin_write(struct file *filp, struct kobject *kobj,
struct bin_attribute *bin_attr,
char *buf, loff_t off, size_t count)
{
struct iio_dev *indio_dev = dev_to_iio_dev(kobj_to_dev(kobj));
struct ad9361_rf_phy *phy = iio_priv(indio_dev);
return ad9361_parse_fir(phy, buf, count);
}
static ssize_t
ad9361_fir_bin_read(struct file *filp, struct kobject *kobj,
struct bin_attribute *bin_attr,
char *buf, loff_t off, size_t count)
{
struct iio_dev *indio_dev = dev_to_iio_dev(kobj_to_dev(kobj));
struct ad9361_rf_phy *phy = iio_priv(indio_dev);
struct ad9361_rf_phy_state *st = phy->state;
if (off)
return 0;
return sprintf(buf, "FIR Rx: %d,%d Tx: %d,%d\n",
st->rx_fir_ntaps, st->rx_fir_dec,
st->tx_fir_ntaps, st->tx_fir_int);
}
static void ad9361_free_gt(struct ad9361_rf_phy *phy, struct gain_table_info *table)
{
int i;
if (!table || table == ad9361_adi_gt_info)
return;
for (i = 0; i < MAX_NUM_GAIN_TABLES; i++)
if (table[i].abs_gain_tbl) {
devm_kfree(&phy->spi->dev, table[i].abs_gain_tbl);
}
devm_kfree(&phy->spi->dev, table);
}
static struct gain_table_info * ad9361_parse_gt(struct ad9361_rf_phy *phy,
char *data, u32 size)
{
struct gain_table_info *table;
bool header_found;
int i = 0, ret, table_num = 0;
char *line, *ptr = data;
u8 *p;
header_found = false;
table = devm_kzalloc(&phy->spi->dev,
sizeof(struct gain_table_info) *
MAX_NUM_GAIN_TABLES, GFP_KERNEL);
if (!table) {
ret = -ENOMEM;
goto out;
}
while ((line = strsep(&ptr, "\n"))) {
if (line >= data + size) {
break;
}
if (line[0] == '#') /* skip comment lines */
continue;
if (strstr(line, "list>")) /* skip <[/]list> */
continue;
if (!header_found) {
char type[40];
unsigned model, dest;
u64 start;
u64 end;
ret = sscanf(line, " <gaintable AD%i type=%s dest=%i start=%lli end=%lli>",
&model , type, &dest, &start, &end);
if (ret == 5) {
if (!(model == 9361 || model == 9364)) {
ret = -EINVAL;
goto out;
}
if (start >= end) {
ret = -EINVAL;
goto out;
}
p = devm_kzalloc(&phy->spi->dev,
sizeof(u8[MAX_GAIN_TABLE_SIZE]) +
sizeof(u8[3][MAX_GAIN_TABLE_SIZE]),
GFP_KERNEL);
if (!p) {
ret = -ENOMEM;
goto out;
}
table[table_num].abs_gain_tbl = (s8 *) p;
table[table_num].tab = (u8 (*) [3]) (p +
sizeof(u8[MAX_GAIN_TABLE_SIZE]));
table[table_num].split_table = sysfs_streq(type, "SPLIT");
table[table_num].start = start;
table[table_num].end = end;
header_found = true;
i = 0;
continue;
} else {
header_found = false;
}
}
if (header_found) {
int a,b,c,d;
ret = sscanf(line, " %i,%i,%i,%i", &a, &b, &c, &d);
if (ret == 4) {
if (i >= MAX_GAIN_TABLE_SIZE)
goto out;
if ((i > 0) && (a < table[table_num].abs_gain_tbl[i - 1]))
dev_warn(&phy->spi->dev,
"Gain table must be monotonic");
table[table_num].abs_gain_tbl[i] = a;
table[table_num].tab[i][0] = b;
table[table_num].tab[i][1] = c;
table[table_num].tab[i][2] = d;
i++;
continue;
} else if (strstr(line, "</gaintable>")) {
table[table_num].max_index = i;
header_found = false;
table_num++;
if (table_num >= (MAX_NUM_GAIN_TABLES - 2)) {
dev_warn(&phy->spi->dev,
"Skipping tables");
goto done;
}
continue;
} else {
dev_err(&phy->spi->dev,
"ERROR: Malformed gain table");
goto out_free_tables;
}
}
}
done:
dev_dbg(&phy->spi->dev, "%s: table_num %d header_found %d",
__func__, table_num, header_found);
if (table_num > 0 && !header_found)
return table;
else
return ERR_PTR(-EFAULT);
out_free_tables:
ad9361_free_gt(phy, table);
out:
return ERR_PTR(ret);
}
static int ad9361_request_gt(struct ad9361_rf_phy *phy, char *filename)
{
struct ad9361_rf_phy_state *st = phy->state;
const struct firmware *fw;
struct gain_table_info *table;
const char *name;
char *cpy;
int ret;
if (filename == NULL) {
if (phy->spi->dev.of_node) {
if (of_property_read_string(phy->spi->dev.of_node,
"adi,gaintable-name", &name))
return -ENOENT;
} else {
return -ENOENT;
}
} else {
name = filename;
}
dev_dbg(&phy->spi->dev, "request gaintable: %s\n", name);
ret = request_firmware(&fw, name, &phy->spi->dev);
if (ret) {
dev_err(&phy->spi->dev,
"request_firmware(%s) failed with %i\n", name, ret);
return ret;
}
cpy = kzalloc(fw->size, GFP_KERNEL);
if (!cpy)
goto out;
memcpy(cpy, fw->data, fw->size);
table = ad9361_parse_gt(phy, cpy, fw->size);
if (IS_ERR_OR_NULL(table)) {
ret = PTR_ERR(table);
goto out_free;
}
ad9361_free_gt(phy, phy->gt_info);
st->current_table = -1;
phy->gt_info = table;
out_free:
kfree(cpy);
out:
release_firmware(fw);
return ret;
}
static ssize_t
ad9361_gt_bin_write(struct file *filp, struct kobject *kobj,
struct bin_attribute *bin_attr,
char *buf, loff_t off, size_t count)
{
struct iio_dev *indio_dev = dev_to_iio_dev(kobj_to_dev(kobj));
struct ad9361_rf_phy *phy = iio_priv(indio_dev);
struct ad9361_rf_phy_state *st = phy->state;
struct gain_table_info *table;
if (off == 0) {
if (phy->bin_attr_buf == NULL) {
phy->bin_attr_buf = devm_kzalloc(&phy->spi->dev,
bin_attr->size, GFP_KERNEL);
if (!phy->bin_attr_buf)
return -ENOMEM;
} else {
memset(phy->bin_attr_buf, 0, bin_attr->size);
}
}
memcpy(phy->bin_attr_buf + off, buf, count);
if (strnstr(phy->bin_attr_buf, "</list>", off + count) == NULL)
return count;
table = ad9361_parse_gt(phy, phy->bin_attr_buf, off + count);
if (IS_ERR_OR_NULL(table))
return PTR_ERR(table);
mutex_lock(&phy->indio_dev->mlock);
ad9361_free_gt(phy, phy->gt_info);
st->current_table = -1;
phy->gt_info = table;
ad9361_load_gt(phy, ad9361_from_clk(
clk_get_rate(phy->clks[RX_RFPLL])),
GT_RX1 + GT_RX2);
mutex_unlock(&phy->indio_dev->mlock);
return count;
}
static ssize_t
ad9361_gt_bin_read(struct file *filp, struct kobject *kobj,
struct bin_attribute *bin_attr,
char *buf, loff_t off, size_t count)
{
struct iio_dev *indio_dev = dev_to_iio_dev(kobj_to_dev(kobj));
struct ad9361_rf_phy *phy = iio_priv(indio_dev);
int j, len = 0;
if (off)
return 0;
len += snprintf(buf + len, count - len,
"<gaintable AD%i type=%s dest=%d start=%lli end=%lli>\n", 9361,
phy->gt_info[ad9361_gt(phy)].split_table ? "SPLIT" : "FULL", 3,
phy->gt_info[ad9361_gt(phy)].start,
phy->gt_info[ad9361_gt(phy)].end);
for (j = 0; j < phy->gt_info[ad9361_gt(phy)].max_index; j++)
len += snprintf(buf + len, count - len,
"%d, 0x%.2X, 0x%.2X, 0x%.2X\n",
phy->gt_info[ad9361_gt(phy)].abs_gain_tbl[j],
phy->gt_info[ad9361_gt(phy)].tab[j][0],
phy->gt_info[ad9361_gt(phy)].tab[j][1],
phy->gt_info[ad9361_gt(phy)].tab[j][2]);
len += snprintf(buf + len, count - len,"</gaintable>\n\n");
return len;
}
static int ad9361_probe(struct spi_device *spi)
{
struct iio_dev *indio_dev;
struct ad9361_rf_phy_state *st;
struct ad9361_rf_phy *phy;
struct clk *clk = NULL;
int ret, rev;
dev_info(&spi->dev, "%s : enter (%s)", __func__,
spi_get_device_id(spi)->name);
clk = devm_clk_get(&spi->dev, NULL);
if (IS_ERR(clk)) {
return -EPROBE_DEFER;
}
indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*phy));
if (indio_dev == NULL)
return -ENOMEM;
st = devm_kzalloc(&spi->dev, sizeof(*st), GFP_KERNEL);
if (st == NULL)
return -ENOMEM;
phy = iio_priv(indio_dev);
phy->state = st;
phy->indio_dev = indio_dev;
phy->spi = spi;
phy->clk_refin = clk;
ad9361_init_state(phy);
phy->pdata = ad9361_phy_parse_dt(indio_dev, &spi->dev);
if (phy->pdata == NULL)
return -EINVAL;
phy->pdata->reset_gpio = devm_gpiod_get_optional(&spi->dev, "reset",
GPIOD_OUT_HIGH);
if (IS_ERR(phy->pdata->reset_gpio))
return PTR_ERR(phy->pdata->reset_gpio);
/* Optional: next three used for MCS synchronization */
phy->pdata->sync_gpio = devm_gpiod_get_optional(&spi->dev, "sync",
GPIOD_OUT_LOW);
if (IS_ERR(phy->pdata->sync_gpio))
return PTR_ERR(phy->pdata->sync_gpio);
phy->pdata->cal_sw1_gpio = devm_gpiod_get_optional(&spi->dev, "cal-sw1",
GPIOD_OUT_LOW);
if (IS_ERR(phy->pdata->cal_sw1_gpio))
return PTR_ERR(phy->pdata->cal_sw1_gpio);
phy->pdata->cal_sw2_gpio = devm_gpiod_get_optional(&spi->dev, "cal-sw2",
GPIOD_OUT_LOW);
if (IS_ERR(phy->pdata->cal_sw2_gpio))
return PTR_ERR(phy->pdata->cal_sw2_gpio);
ret = ad9361_register_ext_band_control(phy);
if (ret < 0)
dev_warn(&spi->dev,
"%s: failed to initialize ext band control\n",
__func__);
phy->gt_info = ad9361_adi_gt_info;
ad9361_request_gt(phy, NULL);
ad9361_reset(phy);
ret = ad9361_spi_read(spi, REG_PRODUCT_ID);
if ((ret & PRODUCT_ID_MASK) != PRODUCT_ID_9361) {
dev_err(&spi->dev, "%s : Unsupported PRODUCT_ID 0x%X",
__func__, ret);
return -ENODEV;
}
rev = ret & REV_MASK;
if (spi_get_device_id(spi)->driver_data == ID_AD9364) {
phy->pdata->rx2tx2 = false;
phy->pdata->rx1tx1_mode_use_rx_num = 1;
phy->pdata->rx1tx1_mode_use_tx_num = 1;
}
INIT_WORK(&phy->work, ad9361_work_func);
init_completion(&phy->complete);
ret = register_clocks(phy);
if (ret < 0)
return ret;
ret = ad9361_setup(phy);
if (ret < 0)
goto out_unregister_notifier;
ret = of_clk_add_provider(spi->dev.of_node,
of_clk_src_onecell_get, &phy->clk_data);
if (ret)
goto out_disable_clocks;
sysfs_bin_attr_init(&phy->bin);
phy->bin.attr.name = "filter_fir_config";
phy->bin.attr.mode = S_IWUSR | S_IRUGO;
phy->bin.write = ad9361_fir_bin_write;
phy->bin.read = ad9361_fir_bin_read;
phy->bin.size = 4096;
sysfs_bin_attr_init(&phy->bin_gt);
phy->bin_gt.attr.name = "gain_table_config";
phy->bin_gt.attr.mode = S_IWUSR | S_IRUGO;
phy->bin_gt.write = ad9361_gt_bin_write;
phy->bin_gt.read = ad9361_gt_bin_read;
phy->bin_gt.size = 32768;
indio_dev->dev.parent = &spi->dev;
if (spi->dev.of_node)
indio_dev->name = spi->dev.of_node->name;
else
indio_dev->name = "ad9361-phy";
indio_dev->info = &ad9361_phy_info;
indio_dev->modes = INDIO_DIRECT_MODE;
indio_dev->channels = ad9361_phy_chan;
indio_dev->num_channels = ARRAY_SIZE(ad9361_phy_chan) -
(phy->pdata->rx2tx2 ? 0 : 2);
ret = iio_device_register(indio_dev);
if (ret < 0)
goto out_clk_del_provider;
ret = ad9361_register_axi_converter(phy);
if (ret < 0)
goto out_iio_device_unregister;
ret = sysfs_create_bin_file(&indio_dev->dev.kobj, &phy->bin);
if (ret < 0)
goto out_iio_device_unregister;
ret = sysfs_create_bin_file(&indio_dev->dev.kobj, &phy->bin_gt);
if (ret < 0)
goto out_iio_device_unregister;
ret = ad9361_register_debugfs(indio_dev);
if (ret < 0)
dev_warn(&spi->dev, "%s: failed to register debugfs", __func__);
dev_info(&spi->dev, "%s : AD936x Rev %d successfully initialized",
__func__, rev);
return 0;
out_iio_device_unregister:
iio_device_unregister(indio_dev);
out_clk_del_provider:
of_clk_del_provider(spi->dev.of_node);
out_disable_clocks:
ad9361_clks_disable(phy);
out_unregister_notifier:
clk_notifier_unregister(phy->clks[RX_RFPLL], &phy->clk_nb_rx);
clk_notifier_unregister(phy->clks[TX_RFPLL], &phy->clk_nb_tx);
return ret;
}
static int ad9361_remove(struct spi_device *spi)
{
struct ad9361_rf_phy *phy = ad9361_spi_to_phy(spi);
ad9361_unregister_ext_band_control(phy);
sysfs_remove_bin_file(&phy->indio_dev->dev.kobj, &phy->bin_gt);
sysfs_remove_bin_file(&phy->indio_dev->dev.kobj, &phy->bin);
iio_device_unregister(phy->indio_dev);
of_clk_del_provider(spi->dev.of_node);
clk_notifier_unregister(phy->clks[RX_RFPLL], &phy->clk_nb_rx);
clk_notifier_unregister(phy->clks[TX_RFPLL], &phy->clk_nb_tx);
ad9361_clks_disable(phy);
return 0;
}
static const struct spi_device_id ad9361_id[] = {
{"ad9361", ID_AD9361}, /* 2RX2TX */
{"ad9364", ID_AD9364}, /* 1RX1TX */
{"ad9361-2x", ID_AD9361_2}, /* 2 x 2RX2TX */
{"ad9363a", ID_AD9363A}, /* 2RX2TX */
{}
};
MODULE_DEVICE_TABLE(spi, ad9361_id);
static struct spi_driver ad9361_driver = {
.driver = {
.name = "ad9361",
.owner = THIS_MODULE,
},
.probe = ad9361_probe,
.remove = ad9361_remove,
.id_table = ad9361_id,
};
module_spi_driver(ad9361_driver);
MODULE_AUTHOR("Michael Hennerich <michael.hennerich@analog.com>");
MODULE_DESCRIPTION("Analog Devices AD9361 ADC");
MODULE_LICENSE("GPL v2");
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