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author | Arnd Bergmann <arnd@arndb.de> | 2022-09-29 16:27:43 +0200 |
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committer | Arnd Bergmann <arnd@arndb.de> | 2023-02-01 17:23:38 +0100 |
commit | b401d1fd805379344750dffb0e3938676a047a2a (patch) | |
tree | 4b051fbc434ab4f552bfa52d3c275a3a9c73e059 /sound/soc/pxa/corgi.c | |
parent | 7aeffbf2ddec5ef0f8b8690bd392e5dabbfed820 (diff) | |
download | linux-b401d1fd805379344750dffb0e3938676a047a2a.tar.gz linux-b401d1fd805379344750dffb0e3938676a047a2a.tar.bz2 linux-b401d1fd805379344750dffb0e3938676a047a2a.zip |
ASoC: pxa: remove unused board support
Most PXA/MMP boards were removed, so the board specific ASoC
support is no longer needed, leaving only support for DT
based ones, as well as the "gumstix" and "spitz" machines
that may get converted to DT later.
Cc: Ian Molton <spyro@f2s.com>
Cc: Ken McGuire <kenm@desertweyr.com>
Cc: Marek Vasut <marek.vasut@gmail.com>
Cc: Mike Rapoport <rppt@kernel.org>
Cc: Liam Girdwood <lgirdwood@gmail.com>
Cc: Mark Brown <broonie@kernel.org>
Cc: Jaroslav Kysela <perex@perex.cz>
Cc: Takashi Iwai <tiwai@suse.com>
Cc: alsa-devel@alsa-project.org
Acked-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'sound/soc/pxa/corgi.c')
-rw-r--r-- | sound/soc/pxa/corgi.c | 332 |
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"); |