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openwrt/target/linux/brcm2708/patches-4.19/950-0502-ASoC-decommissioning-driver-for-3Dlab-Nano-soundcard.patch
Álvaro Fernández Rojas 4295485719 brcm2708: add linux 4.19 support 
Boot tested on Raspberry Pi B+ (BCM2708) and Raspberry Pi 2 (BCM2709)

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
2019-07-14 12:44:14 +02:00

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From 4f8dc6c030b1d24c4bf270637eba452ad9b9dd9b Mon Sep 17 00:00:00 2001
From: GT <dev@3d-lab-av.com>
Date: Sat, 6 Apr 2019 21:16:39 +0100
Subject: [PATCH 502/703] ASoC: decommissioning driver for 3Dlab Nano soundcard
---
.../overlays/3dlab-nano-player-overlay.dts | 32 --
arch/arm/boot/dts/overlays/Makefile | 1 -
arch/arm/boot/dts/overlays/README | 6 -
arch/arm/configs/bcm2709_defconfig | 1 -
arch/arm/configs/bcmrpi_defconfig | 1 -
sound/soc/bcm/3dlab-nano-player.c | 370 ------------------
sound/soc/bcm/Kconfig | 6 -
sound/soc/bcm/Makefile | 6 +-
8 files changed, 2 insertions(+), 421 deletions(-)
delete mode 100644 arch/arm/boot/dts/overlays/3dlab-nano-player-overlay.dts
delete mode 100644 sound/soc/bcm/3dlab-nano-player.c
--- a/arch/arm/boot/dts/overlays/3dlab-nano-player-overlay.dts
+++ /dev/null
@@ -1,32 +0,0 @@
-// Definitions for 3Dlab Nano Player
-/dts-v1/;
-/plugin/;
-
-/ {
- compatible = "brcm,bcm2708";
-
- fragment@0 {
- target = <&i2s>;
- __overlay__ {
- status = "okay";
- };
- };
-
- fragment@1 {
- target = <&i2c>;
- __overlay__ {
- #address-cells = <1>;
- #size-cells = <0>;
- status = "okay";
-
- nano-player@41 {
- compatible = "3dlab,nano-player";
- reg = <0x41>;
- i2s-controller = <&i2s>;
- status = "okay";
- };
- };
- };
-};
-
-// EOF
--- a/arch/arm/boot/dts/overlays/Makefile
+++ b/arch/arm/boot/dts/overlays/Makefile
@@ -1,7 +1,6 @@
# Overlays for the Raspberry Pi platform
dtbo-$(CONFIG_ARCH_BCM2835) += \
- 3dlab-nano-player.dtbo \
adau1977-adc.dtbo \
adau7002-simple.dtbo \
ads1015.dtbo \
--- a/arch/arm/boot/dts/overlays/README
+++ b/arch/arm/boot/dts/overlays/README
@@ -205,12 +205,6 @@ Params:
and the other i2c baudrate parameters.
-Name: 3dlab-nano-player
-Info: Configures the 3Dlab Nano Player
-Load: dtoverlay=3dlab-nano-player
-Params: <None>
-
-
Name: adau1977-adc
Info: Overlay for activation of ADAU1977 ADC codec over I2C for control
and I2S for data.
--- a/arch/arm/configs/bcm2709_defconfig
+++ b/arch/arm/configs/bcm2709_defconfig
@@ -908,7 +908,6 @@ CONFIG_SND_USB_6FIRE=m
CONFIG_SND_USB_HIFACE=m
CONFIG_SND_SOC=m
CONFIG_SND_BCM2835_SOC_I2S=m
-CONFIG_SND_BCM2708_SOC_3DLAB_NANO_PLAYER=m
CONFIG_SND_BCM2708_SOC_GOOGLEVOICEHAT_SOUNDCARD=m
CONFIG_SND_BCM2708_SOC_HIFIBERRY_DAC=m
CONFIG_SND_BCM2708_SOC_HIFIBERRY_DACPLUS=m
--- a/arch/arm/configs/bcmrpi_defconfig
+++ b/arch/arm/configs/bcmrpi_defconfig
@@ -900,7 +900,6 @@ CONFIG_SND_USB_6FIRE=m
CONFIG_SND_USB_HIFACE=m
CONFIG_SND_SOC=m
CONFIG_SND_BCM2835_SOC_I2S=m
-CONFIG_SND_BCM2708_SOC_3DLAB_NANO_PLAYER=m
CONFIG_SND_BCM2708_SOC_GOOGLEVOICEHAT_SOUNDCARD=m
CONFIG_SND_BCM2708_SOC_HIFIBERRY_DAC=m
CONFIG_SND_BCM2708_SOC_HIFIBERRY_DACPLUS=m
--- a/sound/soc/bcm/3dlab-nano-player.c
+++ /dev/null
@@ -1,370 +0,0 @@
-/*
- * 3Dlab Nano Player ALSA SoC Audio driver.
- *
- * Copyright (C) 2018 3Dlab.
- *
- * Author: GT <dev@3d-lab-av.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * version 2 as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- */
-
-#include <linux/module.h>
-#include <linux/i2c.h>
-#include <sound/soc.h>
-#include <sound/pcm.h>
-#include <sound/pcm_params.h>
-#include <sound/control.h>
-
-#define NANO_ID 0x00
-#define NANO_VER 0x01
-#define NANO_CFG 0x02
-#define NANO_STATUS 0x03
-#define NANO_SPI_ADDR 0x04
-#define NANO_SPI_DATA 0x05
-
-#define NANO_ID_VAL 0x3D
-#define NANO_CFG_OFF 0x00
-#define NANO_CFG_MULT1 0
-#define NANO_CFG_MULT2 1
-#define NANO_CFG_MULT4 2
-#define NANO_CFG_MULT8 3
-#define NANO_CFG_MULT16 4
-#define NANO_CFG_CLK22 0
-#define NANO_CFG_CLK24 BIT(3)
-#define NANO_CFG_DSD BIT(4)
-#define NANO_CFG_ENA BIT(5)
-#define NANO_CFG_BLINK BIT(6)
-#define NANO_STATUS_P1 BIT(0)
-#define NANO_STATUS_P2 BIT(1)
-#define NANO_STATUS_FLG BIT(2)
-#define NANO_STATUS_CLK BIT(3)
-#define NANO_SPI_READ 0
-#define NANO_SPI_WRITE BIT(5)
-
-#define NANO_DAC_CTRL1 0x00
-#define NANO_DAC_CTRL2 0x01
-#define NANO_DAC_CTRL3 0x02
-#define NANO_DAC_LATT 0x03
-#define NANO_DAC_RATT 0x04
-
-#define NANO_CTRL2_VAL 0x22
-
-static int nano_player_spi_write(struct regmap *map,
- unsigned int reg, unsigned int val)
-{
- /* indirect register access */
- regmap_write(map, NANO_SPI_DATA, val);
- regmap_write(map, NANO_SPI_ADDR, reg | NANO_SPI_WRITE);
- return 0;
-}
-
-static int nano_player_ctrl_info(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_info *uinfo)
-{
- /* describe control element */
- if (strstr(kcontrol->id.name, "Volume")) {
- uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
- uinfo->count = 1;
- uinfo->value.integer.min = 0;
- uinfo->value.integer.max = 100;
- } else {
- uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
- uinfo->count = 1;
- uinfo->value.integer.min = 0;
- uinfo->value.integer.max = 1;
- }
-
- return 0;
-}
-
-static int nano_player_ctrl_put(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
-{
- /* program control value to hardware */
- struct snd_soc_card *card = snd_kcontrol_chip(kcontrol);
- struct regmap *regmap = snd_soc_card_get_drvdata(card);
-
- if (strstr(kcontrol->id.name, "Volume")) {
- unsigned int vol = ucontrol->value.integer.value[0];
- unsigned int att = 255 - (2 * (100 - vol));
-
- nano_player_spi_write(regmap, NANO_DAC_LATT, att);
- nano_player_spi_write(regmap, NANO_DAC_RATT, att);
- kcontrol->private_value = vol;
- } else {
- unsigned int mute = ucontrol->value.integer.value[0];
- unsigned int reg = NANO_CTRL2_VAL | mute;
-
- nano_player_spi_write(regmap, NANO_DAC_CTRL2, reg);
- kcontrol->private_value = mute;
- }
- return 0;
-}
-
-static int nano_player_ctrl_get(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
-{
- /* return last programmed value */
- ucontrol->value.integer.value[0] = kcontrol->private_value;
- return 0;
-}
-
-#define SOC_NANO_PLAYER_CTRL(xname) \
-{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
- .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, \
- .info = nano_player_ctrl_info, \
- .put = nano_player_ctrl_put, \
- .get = nano_player_ctrl_get }
-
-static const struct snd_kcontrol_new nano_player_controls[] = {
- SOC_NANO_PLAYER_CTRL("Master Playback Volume"),
- SOC_NANO_PLAYER_CTRL("Master Playback Switch"),
-};
-
-static const unsigned int nano_player_rates[] = {
- 44100, 48000, 88200, 96000, 176400, 192000, 352800, 384000,
- 705600, 768000 /* only possible with fast clocks */
-};
-
-static struct snd_pcm_hw_constraint_list nano_player_constraint_rates = {
- .list = nano_player_rates,
- .count = ARRAY_SIZE(nano_player_rates),
-};
-
-static int nano_player_init(struct snd_soc_pcm_runtime *rtd)
-{
- struct snd_soc_card *card = rtd->card;
- struct regmap *regmap = snd_soc_card_get_drvdata(card);
- struct snd_soc_pcm_stream *cpu = &rtd->cpu_dai->driver->playback;
- struct snd_soc_pcm_stream *codec = &rtd->codec_dai->driver->playback;
- unsigned int sample_bits = 32;
- unsigned int val;
-
- /* configure cpu dai */
- cpu->formats |= SNDRV_PCM_FMTBIT_DSD_U32_LE;
- cpu->rate_max = 768000;
-
- /* configure dummy codec dai */
- codec->rate_min = 44100;
- codec->rates = SNDRV_PCM_RATE_KNOT;
- codec->formats = SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_DSD_U32_LE;
-
- /* configure max supported rate */
- regmap_read(regmap, NANO_STATUS, &val);
- if (val & NANO_STATUS_CLK) {
- dev_notice(card->dev, "Board with fast clocks installed\n");
- codec->rate_max = 768000;
- } else {
- dev_notice(card->dev, "Board with normal clocks installed\n");
- codec->rate_max = 384000;
- }
-
- /* frame length enforced by hardware */
- return snd_soc_dai_set_bclk_ratio(rtd->cpu_dai, sample_bits * 2);
-}
-
-static int nano_player_startup(struct snd_pcm_substream *substream)
-{
- return snd_pcm_hw_constraint_list(substream->runtime, 0,
- SNDRV_PCM_HW_PARAM_RATE,
- &nano_player_constraint_rates);
-}
-
-static int nano_player_hw_params(struct snd_pcm_substream *substream,
- struct snd_pcm_hw_params *params)
-{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct snd_soc_card *card = rtd->card;
- struct regmap *regmap = snd_soc_card_get_drvdata(card);
- unsigned int config = NANO_CFG_ENA;
- struct snd_mask *fmt;
-
- /* configure PCM or DSD */
- fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
- if (snd_mask_test(fmt, SNDRV_PCM_FORMAT_DSD_U32_LE)) {
- /* embed DSD in PCM data */
- snd_mask_none(fmt);
- snd_mask_set(fmt, SNDRV_PCM_FORMAT_S32_LE);
- /* enable DSD mode */
- config |= NANO_CFG_DSD;
- }
-
- /* configure clocks */
- switch (params_rate(params)) {
- case 44100:
- config |= NANO_CFG_MULT1 | NANO_CFG_CLK22;
- break;
- case 88200:
- config |= NANO_CFG_MULT2 | NANO_CFG_CLK22;
- break;
- case 176400:
- config |= NANO_CFG_MULT4 | NANO_CFG_CLK22;
- break;
- case 352800:
- config |= NANO_CFG_MULT8 | NANO_CFG_CLK22;
- break;
- case 705600:
- config |= NANO_CFG_MULT16 | NANO_CFG_CLK22;
- break;
- case 48000:
- config |= NANO_CFG_MULT1 | NANO_CFG_CLK24;
- break;
- case 96000:
- config |= NANO_CFG_MULT2 | NANO_CFG_CLK24;
- break;
- case 192000:
- config |= NANO_CFG_MULT4 | NANO_CFG_CLK24;
- break;
- case 384000:
- config |= NANO_CFG_MULT8 | NANO_CFG_CLK24;
- break;
- case 768000:
- config |= NANO_CFG_MULT16 | NANO_CFG_CLK24;
- break;
- default:
- return -EINVAL;
- }
-
- dev_dbg(card->dev, "Send CFG register 0x%02X\n", config);
- return regmap_write(regmap, NANO_CFG, config);
-}
-
-static struct snd_soc_ops nano_player_ops = {
- .startup = nano_player_startup,
- .hw_params = nano_player_hw_params,
-};
-
-static struct snd_soc_dai_link nano_player_link = {
- .name = "3Dlab Nano Player",
- .stream_name = "3Dlab Nano Player HiFi",
- .platform_name = "bcm2708-i2s.0",
- .cpu_dai_name = "bcm2708-i2s.0",
- .codec_name = "snd-soc-dummy",
- .codec_dai_name = "snd-soc-dummy-dai",
- .dai_fmt = SND_SOC_DAIFMT_I2S |
- SND_SOC_DAIFMT_CONT |
- SND_SOC_DAIFMT_NB_NF |
- SND_SOC_DAIFMT_CBM_CFM,
- .init = nano_player_init,
- .ops = &nano_player_ops,
-};
-
-static const struct regmap_config nano_player_regmap = {
- .reg_bits = 8,
- .val_bits = 8,
- .max_register = 128,
- .cache_type = REGCACHE_RBTREE,
-};
-
-static int nano_player_card_probe(struct snd_soc_card *card)
-{
- struct regmap *regmap = snd_soc_card_get_drvdata(card);
- unsigned int val;
-
- /* check hardware integrity */
- regmap_read(regmap, NANO_ID, &val);
- if (val != NANO_ID_VAL) {
- dev_err(card->dev, "Invalid ID register 0x%02X\n", val);
- return -ENODEV;
- }
-
- /* report version to the user */
- regmap_read(regmap, NANO_VER, &val);
- dev_notice(card->dev, "Started 3Dlab Nano Player driver (v%d)\n", val);
-
- /* enable internal audio bus and blink status LED */
- return regmap_write(regmap, NANO_CFG, NANO_CFG_ENA | NANO_CFG_BLINK);
-}
-
-static int nano_player_card_remove(struct snd_soc_card *card)
-{
- /* disable internal audio bus */
- struct regmap *regmap = snd_soc_card_get_drvdata(card);
-
- return regmap_write(regmap, NANO_CFG, NANO_CFG_OFF);
-}
-
-static struct snd_soc_card nano_player_card = {
- .name = "3Dlab_Nano_Player",
- .owner = THIS_MODULE,
- .dai_link = &nano_player_link,
- .num_links = 1,
- .controls = nano_player_controls,
- .num_controls = ARRAY_SIZE(nano_player_controls),
- .probe = nano_player_card_probe,
- .remove = nano_player_card_remove,
-};
-
-static int nano_player_i2c_probe(struct i2c_client *i2c,
- const struct i2c_device_id *id)
-{
- struct regmap *regmap;
- int ret;
-
- regmap = devm_regmap_init_i2c(i2c, &nano_player_regmap);
- if (IS_ERR(regmap)) {
- ret = PTR_ERR(regmap);
- dev_err(&i2c->dev, "Failed to init regmap %d\n", ret);
- return ret;
- }
-
- if (i2c->dev.of_node) {
- struct snd_soc_dai_link *dai = &nano_player_link;
- struct device_node *node;
-
- /* cpu handle configured by device tree */
- node = of_parse_phandle(i2c->dev.of_node, "i2s-controller", 0);
- if (node) {
- dai->platform_name = NULL;
- dai->platform_of_node = node;
- dai->cpu_dai_name = NULL;
- dai->cpu_of_node = node;
- }
- }
-
- nano_player_card.dev = &i2c->dev;
- snd_soc_card_set_drvdata(&nano_player_card, regmap);
- ret = devm_snd_soc_register_card(&i2c->dev, &nano_player_card);
-
- if (ret && ret != -EPROBE_DEFER)
- dev_err(&i2c->dev, "Failed to register card %d\n", ret);
-
- return ret;
-}
-
-static const struct of_device_id nano_player_of_match[] = {
- { .compatible = "3dlab,nano-player", },
- { }
-};
-MODULE_DEVICE_TABLE(of, nano_player_of_match);
-
-static const struct i2c_device_id nano_player_i2c_id[] = {
- { "nano-player", 0 },
- { }
-};
-MODULE_DEVICE_TABLE(i2c, nano_player_i2c_id);
-
-static struct i2c_driver nano_player_i2c_driver = {
- .probe = nano_player_i2c_probe,
- .id_table = nano_player_i2c_id,
- .driver = {
- .name = "nano-player",
- .owner = THIS_MODULE,
- .of_match_table = nano_player_of_match,
- },
-};
-
-module_i2c_driver(nano_player_i2c_driver);
-
-MODULE_DESCRIPTION("ASoC 3Dlab Nano Player driver");
-MODULE_AUTHOR("GT <dev@3d-lab-av.com>");
-MODULE_LICENSE("GPL v2");
-
-/* EOF */
--- a/sound/soc/bcm/Kconfig
+++ b/sound/soc/bcm/Kconfig
@@ -17,12 +17,6 @@ config SND_SOC_CYGNUS
If you don't know what to do here, say N.
-config SND_BCM2708_SOC_3DLAB_NANO_PLAYER
- tristate "Support for 3Dlab Nano Player"
- depends on SND_BCM2708_SOC_I2S || SND_BCM2835_SOC_I2S
- help
- Say Y or M if you want to add support for 3Dlab Nano Player.
-
config SND_BCM2708_SOC_GOOGLEVOICEHAT_SOUNDCARD
tristate "Support for Google voiceHAT soundcard"
depends on SND_BCM2708_SOC_I2S || SND_BCM2835_SOC_I2S
--- a/sound/soc/bcm/Makefile
+++ b/sound/soc/bcm/Makefile
@@ -12,7 +12,6 @@ obj-$(CONFIG_SND_SOC_CYGNUS) += snd-soc-
snd-soc-googlevoicehat-codec-objs := googlevoicehat-codec.o
# BCM2708 Machine Support
-snd-soc-3dlab-nano-player-objs := 3dlab-nano-player.o
snd-soc-hifiberry-dacplus-objs := hifiberry_dacplus.o
snd-soc-hifiberry-dacplusadc-objs := hifiberry_dacplusadc.o
snd-soc-justboom-dac-objs := justboom-dac.o
@@ -20,7 +19,7 @@ snd-soc-rpi-cirrus-objs := rpi-cirrus.o
snd-soc-rpi-proto-objs := rpi-proto.o
snd-soc-iqaudio-codec-objs := iqaudio-codec.o
snd-soc-iqaudio-dac-objs := iqaudio-dac.o
- snd-soc-i-sabre-q2m-objs := i-sabre-q2m.o
+snd-soc-i-sabre-q2m-objs := i-sabre-q2m.o
snd-soc-audioinjector-pi-soundcard-objs := audioinjector-pi-soundcard.o
snd-soc-audioinjector-octo-soundcard-objs := audioinjector-octo-soundcard.o
snd-soc-audiosense-pi-objs := audiosense-pi.o
@@ -36,7 +35,6 @@ snd-soc-fe-pi-audio-objs := fe-pi-audio.
snd-soc-rpi-simple-soundcard-objs := rpi-simple-soundcard.o
snd-soc-rpi-wm8804-soundcard-objs := rpi-wm8804-soundcard.o
-obj-$(CONFIG_SND_BCM2708_SOC_3DLAB_NANO_PLAYER) += snd-soc-3dlab-nano-player.o
obj-$(CONFIG_SND_BCM2708_SOC_GOOGLEVOICEHAT_SOUNDCARD) += snd-soc-googlevoicehat-codec.o
obj-$(CONFIG_SND_BCM2708_SOC_HIFIBERRY_DACPLUS) += snd-soc-hifiberry-dacplus.o
obj-$(CONFIG_SND_BCM2708_SOC_HIFIBERRY_DACPLUSADC) += snd-soc-hifiberry-dacplusadc.o
@@ -45,7 +43,7 @@ obj-$(CONFIG_SND_BCM2708_SOC_RPI_CIRRUS)
obj-$(CONFIG_SND_BCM2708_SOC_RPI_PROTO) += snd-soc-rpi-proto.o
obj-$(CONFIG_SND_BCM2708_SOC_IQAUDIO_CODEC) += snd-soc-iqaudio-codec.o
obj-$(CONFIG_SND_BCM2708_SOC_IQAUDIO_DAC) += snd-soc-iqaudio-dac.o
- obj-$(CONFIG_SND_BCM2708_SOC_I_SABRE_Q2M) += snd-soc-i-sabre-q2m.o
+obj-$(CONFIG_SND_BCM2708_SOC_I_SABRE_Q2M) += snd-soc-i-sabre-q2m.o
obj-$(CONFIG_SND_AUDIOINJECTOR_PI_SOUNDCARD) += snd-soc-audioinjector-pi-soundcard.o
obj-$(CONFIG_SND_AUDIOINJECTOR_OCTO_SOUNDCARD) += snd-soc-audioinjector-octo-soundcard.o
obj-$(CONFIG_SND_AUDIOSENSE_PI) += snd-soc-audiosense-pi.o
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