diff options
Diffstat (limited to 'sound/soc/pxa/corgi.c')
| -rw-r--r-- | sound/soc/pxa/corgi.c | 343 |
1 files changed, 0 insertions, 343 deletions
diff --git a/sound/soc/pxa/corgi.c b/sound/soc/pxa/corgi.c deleted file mode 100644 index f4cce1e80112..000000000000 --- a/sound/soc/pxa/corgi.c +++ /dev/null @@ -1,343 +0,0 @@ -/* - * 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> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - */ - -#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 <mach/corgi.h> -#include <mach/audio.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 void corgi_ext_control(struct snd_soc_dapm_context *dapm) -{ - /* set up jack connection */ - switch (corgi_jack_func) { - case CORGI_HP: - /* set = unmute headphone */ - gpio_set_value(CORGI_GPIO_MUTE_L, 1); - gpio_set_value(CORGI_GPIO_MUTE_R, 1); - snd_soc_dapm_disable_pin(dapm, "Mic Jack"); - snd_soc_dapm_disable_pin(dapm, "Line Jack"); - snd_soc_dapm_enable_pin(dapm, "Headphone Jack"); - snd_soc_dapm_disable_pin(dapm, "Headset Jack"); - break; - case CORGI_MIC: - /* reset = mute headphone */ - gpio_set_value(CORGI_GPIO_MUTE_L, 0); - gpio_set_value(CORGI_GPIO_MUTE_R, 0); - snd_soc_dapm_enable_pin(dapm, "Mic Jack"); - snd_soc_dapm_disable_pin(dapm, "Line Jack"); - snd_soc_dapm_disable_pin(dapm, "Headphone Jack"); - snd_soc_dapm_disable_pin(dapm, "Headset Jack"); - break; - case CORGI_LINE: - gpio_set_value(CORGI_GPIO_MUTE_L, 0); - gpio_set_value(CORGI_GPIO_MUTE_R, 0); - snd_soc_dapm_disable_pin(dapm, "Mic Jack"); - snd_soc_dapm_enable_pin(dapm, "Line Jack"); - snd_soc_dapm_disable_pin(dapm, "Headphone Jack"); - snd_soc_dapm_disable_pin(dapm, "Headset Jack"); - break; - case CORGI_HEADSET: - gpio_set_value(CORGI_GPIO_MUTE_L, 0); - gpio_set_value(CORGI_GPIO_MUTE_R, 1); - snd_soc_dapm_enable_pin(dapm, "Mic Jack"); - snd_soc_dapm_disable_pin(dapm, "Line Jack"); - snd_soc_dapm_disable_pin(dapm, "Headphone Jack"); - snd_soc_dapm_enable_pin(dapm, "Headset Jack"); - break; - } - - if (corgi_spk_func == CORGI_SPK_ON) - snd_soc_dapm_enable_pin(dapm, "Ext Spk"); - else - snd_soc_dapm_disable_pin(dapm, "Ext Spk"); - - /* signal a DAPM event */ - snd_soc_dapm_sync(dapm); -} - -static int corgi_startup(struct snd_pcm_substream *substream) -{ - struct snd_soc_pcm_runtime *rtd = substream->private_data; - struct snd_soc_codec *codec = rtd->codec; - - mutex_lock(&codec->mutex); - - /* check the jack status at stream startup */ - corgi_ext_control(&codec->dapm); - - mutex_unlock(&codec->mutex); - - 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 */ - gpio_set_value(CORGI_GPIO_MUTE_L, 1); - gpio_set_value(CORGI_GPIO_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 = substream->private_data; - struct snd_soc_dai *codec_dai = rtd->codec_dai; - struct snd_soc_dai *cpu_dai = rtd->cpu_dai; - 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 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.integer.value[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.integer.value[0]) - return 0; - - corgi_jack_func = ucontrol->value.integer.value[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.integer.value[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.integer.value[0]) - return 0; - - corgi_spk_func = ucontrol->value.integer.value[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) -{ - gpio_set_value(CORGI_GPIO_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) -{ - gpio_set_value(CORGI_GPIO_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 *jack_function[] = {"Headphone", "Mic", "Line", "Headset", - "Off"}; -static const char *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), -}; - -/* - * Logic for a wm8731 as connected on a Sharp SL-C7x0 Device - */ -static int corgi_wm8731_init(struct snd_soc_pcm_runtime *rtd) -{ - struct snd_soc_codec *codec = rtd->codec; - struct snd_soc_dapm_context *dapm = &codec->dapm; - - snd_soc_dapm_nc_pin(dapm, "LLINEIN"); - snd_soc_dapm_nc_pin(dapm, "RLINEIN"); - - return 0; -} - -/* corgi digital audio interface glue - connects codec <--> CPU */ -static struct snd_soc_dai_link corgi_dai = { - .name = "WM8731", - .stream_name = "WM8731", - .cpu_dai_name = "pxa2xx-i2s", - .codec_dai_name = "wm8731-hifi", - .platform_name = "pxa-pcm-audio", - .codec_name = "wm8731.0-001b", - .init = corgi_wm8731_init, - .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | - SND_SOC_DAIFMT_CBS_CFS, - .ops = &corgi_ops, -}; - -/* 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), -}; - -static int corgi_probe(struct platform_device *pdev) -{ - struct snd_soc_card *card = &corgi; - int ret; - - card->dev = &pdev->dev; - - ret = snd_soc_register_card(card); - if (ret) - dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n", - ret); - return ret; -} - -static int corgi_remove(struct platform_device *pdev) -{ - struct snd_soc_card *card = platform_get_drvdata(pdev); - - snd_soc_unregister_card(card); - return 0; -} - -static struct platform_driver corgi_driver = { - .driver = { - .name = "corgi-audio", - .owner = THIS_MODULE, - }, - .probe = corgi_probe, - .remove = corgi_remove, -}; - -module_platform_driver(corgi_driver); - -/* Module information */ -MODULE_AUTHOR("Richard Purdie"); -MODULE_DESCRIPTION("ALSA SoC Corgi"); -MODULE_LICENSE("GPL"); -MODULE_ALIAS("platform:corgi-audio"); |
