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Diffstat (limited to 'sound/soc/pxa/corgi.c')
-rw-r--r--sound/soc/pxa/corgi.c332
1 files changed, 0 insertions, 332 deletions
diff --git a/sound/soc/pxa/corgi.c b/sound/soc/pxa/corgi.c
deleted file mode 100644
index 4489d2c8b124..000000000000
--- a/sound/soc/pxa/corgi.c
+++ /dev/null
@@ -1,332 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * corgi.c -- SoC audio for Corgi
- *
- * Copyright 2005 Wolfson Microelectronics PLC.
- * Copyright 2005 Openedhand Ltd.
- *
- * Authors: Liam Girdwood <lrg@slimlogic.co.uk>
- * Richard Purdie <richard@openedhand.com>
- */
-
-#include <linux/module.h>
-#include <linux/moduleparam.h>
-#include <linux/timer.h>
-#include <linux/i2c.h>
-#include <linux/interrupt.h>
-#include <linux/platform_device.h>
-#include <linux/gpio.h>
-#include <sound/core.h>
-#include <sound/pcm.h>
-#include <sound/soc.h>
-
-#include <asm/mach-types.h>
-#include <linux/platform_data/asoc-pxa.h>
-
-#include "../codecs/wm8731.h"
-#include "pxa2xx-i2s.h"
-
-#define CORGI_HP 0
-#define CORGI_MIC 1
-#define CORGI_LINE 2
-#define CORGI_HEADSET 3
-#define CORGI_HP_OFF 4
-#define CORGI_SPK_ON 0
-#define CORGI_SPK_OFF 1
-
- /* audio clock in Hz - rounded from 12.235MHz */
-#define CORGI_AUDIO_CLOCK 12288000
-
-static int corgi_jack_func;
-static int corgi_spk_func;
-
-static struct gpio_desc *gpiod_mute_l, *gpiod_mute_r,
- *gpiod_apm_on, *gpiod_mic_bias;
-
-static void corgi_ext_control(struct snd_soc_dapm_context *dapm)
-{
- snd_soc_dapm_mutex_lock(dapm);
-
- /* set up jack connection */
- switch (corgi_jack_func) {
- case CORGI_HP:
- /* set = unmute headphone */
- gpiod_set_value(gpiod_mute_l, 1);
- gpiod_set_value(gpiod_mute_r, 1);
- snd_soc_dapm_disable_pin_unlocked(dapm, "Mic Jack");
- snd_soc_dapm_disable_pin_unlocked(dapm, "Line Jack");
- snd_soc_dapm_enable_pin_unlocked(dapm, "Headphone Jack");
- snd_soc_dapm_disable_pin_unlocked(dapm, "Headset Jack");
- break;
- case CORGI_MIC:
- /* reset = mute headphone */
- gpiod_set_value(gpiod_mute_l, 0);
- gpiod_set_value(gpiod_mute_r, 0);
- snd_soc_dapm_enable_pin_unlocked(dapm, "Mic Jack");
- snd_soc_dapm_disable_pin_unlocked(dapm, "Line Jack");
- snd_soc_dapm_disable_pin_unlocked(dapm, "Headphone Jack");
- snd_soc_dapm_disable_pin_unlocked(dapm, "Headset Jack");
- break;
- case CORGI_LINE:
- gpiod_set_value(gpiod_mute_l, 0);
- gpiod_set_value(gpiod_mute_r, 0);
- snd_soc_dapm_disable_pin_unlocked(dapm, "Mic Jack");
- snd_soc_dapm_enable_pin_unlocked(dapm, "Line Jack");
- snd_soc_dapm_disable_pin_unlocked(dapm, "Headphone Jack");
- snd_soc_dapm_disable_pin_unlocked(dapm, "Headset Jack");
- break;
- case CORGI_HEADSET:
- gpiod_set_value(gpiod_mute_l, 0);
- gpiod_set_value(gpiod_mute_r, 1);
- snd_soc_dapm_enable_pin_unlocked(dapm, "Mic Jack");
- snd_soc_dapm_disable_pin_unlocked(dapm, "Line Jack");
- snd_soc_dapm_disable_pin_unlocked(dapm, "Headphone Jack");
- snd_soc_dapm_enable_pin_unlocked(dapm, "Headset Jack");
- break;
- }
-
- if (corgi_spk_func == CORGI_SPK_ON)
- snd_soc_dapm_enable_pin_unlocked(dapm, "Ext Spk");
- else
- snd_soc_dapm_disable_pin_unlocked(dapm, "Ext Spk");
-
- /* signal a DAPM event */
- snd_soc_dapm_sync_unlocked(dapm);
-
- snd_soc_dapm_mutex_unlock(dapm);
-}
-
-static int corgi_startup(struct snd_pcm_substream *substream)
-{
- struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
-
- /* check the jack status at stream startup */
- corgi_ext_control(&rtd->card->dapm);
-
- return 0;
-}
-
-/* we need to unmute the HP at shutdown as the mute burns power on corgi */
-static void corgi_shutdown(struct snd_pcm_substream *substream)
-{
- /* set = unmute headphone */
- gpiod_set_value(gpiod_mute_l, 1);
- gpiod_set_value(gpiod_mute_r, 1);
-}
-
-static int corgi_hw_params(struct snd_pcm_substream *substream,
- struct snd_pcm_hw_params *params)
-{
- struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
- struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
- struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
- unsigned int clk = 0;
- int ret = 0;
-
- switch (params_rate(params)) {
- case 8000:
- case 16000:
- case 48000:
- case 96000:
- clk = 12288000;
- break;
- case 11025:
- case 22050:
- case 44100:
- clk = 11289600;
- break;
- }
-
- /* set the codec system clock for DAC and ADC */
- ret = snd_soc_dai_set_sysclk(codec_dai, WM8731_SYSCLK_XTAL, clk,
- SND_SOC_CLOCK_IN);
- if (ret < 0)
- return ret;
-
- /* set the I2S system clock as input (unused) */
- ret = snd_soc_dai_set_sysclk(cpu_dai, PXA2XX_I2S_SYSCLK, 0,
- SND_SOC_CLOCK_IN);
- if (ret < 0)
- return ret;
-
- return 0;
-}
-
-static const struct snd_soc_ops corgi_ops = {
- .startup = corgi_startup,
- .hw_params = corgi_hw_params,
- .shutdown = corgi_shutdown,
-};
-
-static int corgi_get_jack(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
-{
- ucontrol->value.enumerated.item[0] = corgi_jack_func;
- return 0;
-}
-
-static int corgi_set_jack(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
-{
- struct snd_soc_card *card = snd_kcontrol_chip(kcontrol);
-
- if (corgi_jack_func == ucontrol->value.enumerated.item[0])
- return 0;
-
- corgi_jack_func = ucontrol->value.enumerated.item[0];
- corgi_ext_control(&card->dapm);
- return 1;
-}
-
-static int corgi_get_spk(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
-{
- ucontrol->value.enumerated.item[0] = corgi_spk_func;
- return 0;
-}
-
-static int corgi_set_spk(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
-{
- struct snd_soc_card *card = snd_kcontrol_chip(kcontrol);
-
- if (corgi_spk_func == ucontrol->value.enumerated.item[0])
- return 0;
-
- corgi_spk_func = ucontrol->value.enumerated.item[0];
- corgi_ext_control(&card->dapm);
- return 1;
-}
-
-static int corgi_amp_event(struct snd_soc_dapm_widget *w,
- struct snd_kcontrol *k, int event)
-{
- gpiod_set_value(gpiod_apm_on, SND_SOC_DAPM_EVENT_ON(event));
- return 0;
-}
-
-static int corgi_mic_event(struct snd_soc_dapm_widget *w,
- struct snd_kcontrol *k, int event)
-{
- gpiod_set_value(gpiod_mic_bias, SND_SOC_DAPM_EVENT_ON(event));
- return 0;
-}
-
-/* corgi machine dapm widgets */
-static const struct snd_soc_dapm_widget wm8731_dapm_widgets[] = {
-SND_SOC_DAPM_HP("Headphone Jack", NULL),
-SND_SOC_DAPM_MIC("Mic Jack", corgi_mic_event),
-SND_SOC_DAPM_SPK("Ext Spk", corgi_amp_event),
-SND_SOC_DAPM_LINE("Line Jack", NULL),
-SND_SOC_DAPM_HP("Headset Jack", NULL),
-};
-
-/* Corgi machine audio map (connections to the codec pins) */
-static const struct snd_soc_dapm_route corgi_audio_map[] = {
-
- /* headset Jack - in = micin, out = LHPOUT*/
- {"Headset Jack", NULL, "LHPOUT"},
-
- /* headphone connected to LHPOUT1, RHPOUT1 */
- {"Headphone Jack", NULL, "LHPOUT"},
- {"Headphone Jack", NULL, "RHPOUT"},
-
- /* speaker connected to LOUT, ROUT */
- {"Ext Spk", NULL, "ROUT"},
- {"Ext Spk", NULL, "LOUT"},
-
- /* mic is connected to MICIN (via right channel of headphone jack) */
- {"MICIN", NULL, "Mic Jack"},
-
- /* Same as the above but no mic bias for line signals */
- {"MICIN", NULL, "Line Jack"},
-};
-
-static const char * const jack_function[] = {"Headphone", "Mic", "Line",
- "Headset", "Off"};
-static const char * const spk_function[] = {"On", "Off"};
-static const struct soc_enum corgi_enum[] = {
- SOC_ENUM_SINGLE_EXT(5, jack_function),
- SOC_ENUM_SINGLE_EXT(2, spk_function),
-};
-
-static const struct snd_kcontrol_new wm8731_corgi_controls[] = {
- SOC_ENUM_EXT("Jack Function", corgi_enum[0], corgi_get_jack,
- corgi_set_jack),
- SOC_ENUM_EXT("Speaker Function", corgi_enum[1], corgi_get_spk,
- corgi_set_spk),
-};
-
-/* corgi digital audio interface glue - connects codec <--> CPU */
-SND_SOC_DAILINK_DEFS(wm8731,
- DAILINK_COMP_ARRAY(COMP_CPU("pxa2xx-i2s")),
- DAILINK_COMP_ARRAY(COMP_CODEC("wm8731.0-001b", "wm8731-hifi")),
- DAILINK_COMP_ARRAY(COMP_PLATFORM("pxa-pcm-audio")));
-
-static struct snd_soc_dai_link corgi_dai = {
- .name = "WM8731",
- .stream_name = "WM8731",
- .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
- SND_SOC_DAIFMT_CBS_CFS,
- .ops = &corgi_ops,
- SND_SOC_DAILINK_REG(wm8731),
-};
-
-/* corgi audio machine driver */
-static struct snd_soc_card corgi = {
- .name = "Corgi",
- .owner = THIS_MODULE,
- .dai_link = &corgi_dai,
- .num_links = 1,
-
- .controls = wm8731_corgi_controls,
- .num_controls = ARRAY_SIZE(wm8731_corgi_controls),
- .dapm_widgets = wm8731_dapm_widgets,
- .num_dapm_widgets = ARRAY_SIZE(wm8731_dapm_widgets),
- .dapm_routes = corgi_audio_map,
- .num_dapm_routes = ARRAY_SIZE(corgi_audio_map),
- .fully_routed = true,
-};
-
-static int corgi_probe(struct platform_device *pdev)
-{
- struct snd_soc_card *card = &corgi;
- int ret;
-
- card->dev = &pdev->dev;
-
- gpiod_mute_l = devm_gpiod_get(&pdev->dev, "mute-l", GPIOD_OUT_HIGH);
- if (IS_ERR(gpiod_mute_l))
- return PTR_ERR(gpiod_mute_l);
- gpiod_mute_r = devm_gpiod_get(&pdev->dev, "mute-r", GPIOD_OUT_HIGH);
- if (IS_ERR(gpiod_mute_r))
- return PTR_ERR(gpiod_mute_r);
- gpiod_apm_on = devm_gpiod_get(&pdev->dev, "apm-on", GPIOD_OUT_LOW);
- if (IS_ERR(gpiod_apm_on))
- return PTR_ERR(gpiod_apm_on);
- gpiod_mic_bias = devm_gpiod_get(&pdev->dev, "mic-bias", GPIOD_OUT_LOW);
- if (IS_ERR(gpiod_mic_bias))
- return PTR_ERR(gpiod_mic_bias);
-
- ret = devm_snd_soc_register_card(&pdev->dev, card);
- if (ret)
- dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
- ret);
- return ret;
-}
-
-static struct platform_driver corgi_driver = {
- .driver = {
- .name = "corgi-audio",
- .pm = &snd_soc_pm_ops,
- },
- .probe = corgi_probe,
-};
-
-module_platform_driver(corgi_driver);
-
-/* Module information */
-MODULE_AUTHOR("Richard Purdie");
-MODULE_DESCRIPTION("ALSA SoC Corgi");
-MODULE_LICENSE("GPL");
-MODULE_ALIAS("platform:corgi-audio");
generated by cgit (git 2.34.1) at 2024-06-22 16:34:29 +0000