mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-27 17:18:59 +00:00
8c405cdccc
The patches were generated from the RPi repo with the following command: git format-patch v6.6.34..rpi-6.1.y Some patches needed rebasing and, as usual, the applied and reverted, wireless drivers, Github workflows, READMEs and defconfigs patches were removed. Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
197 lines
5.8 KiB
Diff
197 lines
5.8 KiB
Diff
From 27c0799ff9e02ef9606801eb149f64d413503593 Mon Sep 17 00:00:00 2001
|
|
From: Ben Payne <ben@bluerocksoft.com>
|
|
Date: Tue, 13 Feb 2024 14:55:14 -0800
|
|
Subject: [PATCH 0899/1085] Impliment driver support for Interlude Audio
|
|
Digital Hat
|
|
|
|
Implementing driver support for
|
|
Interlude audio's WM8805 based digital hat
|
|
by leveraging existing drivers
|
|
---
|
|
sound/soc/bcm/rpi-wm8804-soundcard.c | 139 +++++++++++++++++++++++++++
|
|
1 file changed, 139 insertions(+)
|
|
|
|
--- a/sound/soc/bcm/rpi-wm8804-soundcard.c
|
|
+++ b/sound/soc/bcm/rpi-wm8804-soundcard.c
|
|
@@ -34,6 +34,7 @@
|
|
#include <linux/gpio/consumer.h>
|
|
#include <linux/platform_device.h>
|
|
#include <linux/module.h>
|
|
+#include <linux/delay.h>
|
|
|
|
#include <sound/core.h>
|
|
#include <sound/pcm.h>
|
|
@@ -65,6 +66,10 @@ struct snd_rpi_wm8804_drvdata {
|
|
static struct gpio_desc *snd_clk44gpio;
|
|
static struct gpio_desc *snd_clk48gpio;
|
|
static int wm8804_samplerate = 0;
|
|
+static struct gpio_desc *led_gpio_1;
|
|
+static struct gpio_desc *led_gpio_2;
|
|
+static struct gpio_desc *led_gpio_3;
|
|
+static struct gpio_desc *custom_reset;
|
|
|
|
/* Forward declarations */
|
|
static struct snd_soc_dai_link snd_allo_digione_dai[];
|
|
@@ -74,6 +79,37 @@ static struct snd_soc_card snd_rpi_wm880
|
|
#define CLK_44EN_RATE 22579200UL
|
|
#define CLK_48EN_RATE 24576000UL
|
|
|
|
+static const char * const wm8805_input_select_text[] = {
|
|
+ "Rx 0",
|
|
+ "Rx 1",
|
|
+ "Rx 2",
|
|
+ "Rx 3",
|
|
+ "Rx 4",
|
|
+ "Rx 5",
|
|
+ "Rx 6",
|
|
+ "Rx 7"
|
|
+};
|
|
+
|
|
+static const unsigned int wm8805_input_channel_select_value[] = {
|
|
+ 0, 1, 2, 3, 4, 5, 6, 7
|
|
+};
|
|
+
|
|
+static const struct soc_enum wm8805_input_channel_sel[] = {
|
|
+ SOC_VALUE_ENUM_SINGLE(WM8804_PLL6, 0, 7, ARRAY_SIZE(wm8805_input_select_text),
|
|
+ wm8805_input_select_text, wm8805_input_channel_select_value),
|
|
+};
|
|
+
|
|
+static const struct snd_kcontrol_new wm8805_input_controls_card[] = {
|
|
+ SOC_ENUM("Select Input Channel", wm8805_input_channel_sel[0]),
|
|
+};
|
|
+
|
|
+static int wm8805_add_input_controls(struct snd_soc_component *component)
|
|
+{
|
|
+ snd_soc_add_component_controls(component, wm8805_input_controls_card,
|
|
+ ARRAY_SIZE(wm8805_input_controls_card));
|
|
+ return 0;
|
|
+}
|
|
+
|
|
static unsigned int snd_rpi_wm8804_enable_clock(unsigned int samplerate)
|
|
{
|
|
switch (samplerate) {
|
|
@@ -187,6 +223,53 @@ static struct snd_soc_ops snd_rpi_wm8804
|
|
.hw_params = snd_rpi_wm8804_hw_params,
|
|
};
|
|
|
|
+static int snd_interlude_audio_hw_params(struct snd_pcm_substream *substream,
|
|
+ struct snd_pcm_hw_params *params)
|
|
+{
|
|
+ int ret = snd_rpi_wm8804_hw_params(substream, params);
|
|
+ int samplerate = params_rate(params);
|
|
+
|
|
+ switch (samplerate) {
|
|
+ case 44100:
|
|
+ gpiod_set_value_cansleep(led_gpio_1, 1);
|
|
+ gpiod_set_value_cansleep(led_gpio_2, 0);
|
|
+ gpiod_set_value_cansleep(led_gpio_3, 0);
|
|
+ break;
|
|
+ case 48000:
|
|
+ gpiod_set_value_cansleep(led_gpio_1, 1);
|
|
+ gpiod_set_value_cansleep(led_gpio_2, 0);
|
|
+ gpiod_set_value_cansleep(led_gpio_3, 0);
|
|
+ break;
|
|
+ case 88200:
|
|
+ gpiod_set_value_cansleep(led_gpio_1, 0);
|
|
+ gpiod_set_value_cansleep(led_gpio_2, 1);
|
|
+ gpiod_set_value_cansleep(led_gpio_3, 0);
|
|
+ break;
|
|
+ case 96000:
|
|
+ gpiod_set_value_cansleep(led_gpio_1, 0);
|
|
+ gpiod_set_value_cansleep(led_gpio_2, 1);
|
|
+ gpiod_set_value_cansleep(led_gpio_3, 0);
|
|
+ break;
|
|
+ case 176400:
|
|
+ gpiod_set_value_cansleep(led_gpio_1, 0);
|
|
+ gpiod_set_value_cansleep(led_gpio_2, 0);
|
|
+ gpiod_set_value_cansleep(led_gpio_3, 1);
|
|
+ break;
|
|
+ case 192000:
|
|
+ gpiod_set_value_cansleep(led_gpio_1, 0);
|
|
+ gpiod_set_value_cansleep(led_gpio_2, 0);
|
|
+ gpiod_set_value_cansleep(led_gpio_3, 1);
|
|
+ break;
|
|
+ default:
|
|
+ break;
|
|
+ }
|
|
+ return ret;
|
|
+}
|
|
+
|
|
+const struct snd_soc_ops interlude_audio_digital_dai_ops = {
|
|
+ .hw_params = snd_interlude_audio_hw_params,
|
|
+};
|
|
+
|
|
SND_SOC_DAILINK_DEFS(justboom_digi,
|
|
DAILINK_COMP_ARRAY(COMP_EMPTY()),
|
|
DAILINK_COMP_ARRAY(COMP_EMPTY()),
|
|
@@ -287,6 +370,60 @@ static struct snd_rpi_wm8804_drvdata drv
|
|
.probe = snd_hifiberry_digi_probe,
|
|
};
|
|
|
|
+SND_SOC_DAILINK_DEFS(interlude_audio_digital,
|
|
+ DAILINK_COMP_ARRAY(COMP_EMPTY()),
|
|
+ DAILINK_COMP_ARRAY(COMP_EMPTY()),
|
|
+ DAILINK_COMP_ARRAY(COMP_EMPTY()));
|
|
+
|
|
+static int snd_interlude_audio_init(struct snd_soc_pcm_runtime *rtd)
|
|
+{
|
|
+ struct snd_soc_component *component = asoc_rtd_to_codec(rtd, 0)->component;
|
|
+ int ret;
|
|
+
|
|
+ ret = wm8805_add_input_controls(component);
|
|
+ if (ret != 0)
|
|
+ pr_err("failed to add input controls");
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+
|
|
+static struct snd_soc_dai_link snd_interlude_audio_digital_dai[] = {
|
|
+{
|
|
+ .name = "Interlude Audio Digital",
|
|
+ .stream_name = "Interlude Audio Digital HiFi",
|
|
+ .init = snd_interlude_audio_init,
|
|
+ .ops = &interlude_audio_digital_dai_ops,
|
|
+ SND_SOC_DAILINK_REG(interlude_audio_digital),
|
|
+},
|
|
+};
|
|
+
|
|
+
|
|
+static int snd_interlude_audio_digital_probe(struct platform_device *pdev)
|
|
+{
|
|
+ if (IS_ERR(snd_clk44gpio) || IS_ERR(snd_clk48gpio))
|
|
+ return 0;
|
|
+
|
|
+ custom_reset = devm_gpiod_get(&pdev->dev, "reset", GPIOD_OUT_LOW);
|
|
+ gpiod_set_value_cansleep(custom_reset, 0);
|
|
+ mdelay(10);
|
|
+ gpiod_set_value_cansleep(custom_reset, 1);
|
|
+
|
|
+ snd_interlude_audio_digital_dai->name = "Interlude Audio Digital";
|
|
+ snd_interlude_audio_digital_dai->stream_name = "Interlude Audio Digital HiFi";
|
|
+ led_gpio_1 = devm_gpiod_get(&pdev->dev, "led1", GPIOD_OUT_LOW);
|
|
+ led_gpio_2 = devm_gpiod_get(&pdev->dev, "led2", GPIOD_OUT_LOW);
|
|
+ led_gpio_3 = devm_gpiod_get(&pdev->dev, "led3", GPIOD_OUT_LOW);
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+
|
|
+static struct snd_rpi_wm8804_drvdata drvdata_interlude_audio_digital = {
|
|
+ .card_name = "snd_IA_Digital_Hat",
|
|
+ .dai = snd_interlude_audio_digital_dai,
|
|
+ .probe = snd_interlude_audio_digital_probe,
|
|
+};
|
|
+
|
|
static const struct of_device_id snd_rpi_wm8804_of_match[] = {
|
|
{ .compatible = "justboom,justboom-digi",
|
|
.data = (void *) &drvdata_justboom_digi },
|
|
@@ -296,6 +433,8 @@ static const struct of_device_id snd_rpi
|
|
.data = (void *) &drvdata_allo_digione },
|
|
{ .compatible = "hifiberry,hifiberry-digi",
|
|
.data = (void *) &drvdata_hifiberry_digi },
|
|
+ { .compatible = "interludeaudio,interludeaudio-digital",
|
|
+ .data = (void *) &drvdata_interlude_audio_digital },
|
|
{},
|
|
};
|
|
|