diff options
Diffstat (limited to 'ANDROID_3.4.5/sound/soc/samsung/h1940_uda1380.c')
| -rw-r--r-- | ANDROID_3.4.5/sound/soc/samsung/h1940_uda1380.c | 281 |
1 files changed, 0 insertions, 281 deletions
diff --git a/ANDROID_3.4.5/sound/soc/samsung/h1940_uda1380.c b/ANDROID_3.4.5/sound/soc/samsung/h1940_uda1380.c deleted file mode 100644 index 6e325771..00000000 --- a/ANDROID_3.4.5/sound/soc/samsung/h1940_uda1380.c +++ /dev/null @@ -1,281 +0,0 @@ -/* - * h1940-uda1380.c -- ALSA Soc Audio Layer - * - * Copyright (c) 2010 Arnaud Patard <arnaud.patard@rtp-net.org> - * Copyright (c) 2010 Vasily Khoruzhick <anarsoul@gmail.com> - * - * Based on version from Arnaud Patard <arnaud.patard@rtp-net.org> - * - * 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/types.h> -#include <linux/gpio.h> -#include <linux/module.h> - -#include <sound/soc.h> -#include <sound/jack.h> - -#include <plat/regs-iis.h> -#include <mach/h1940-latch.h> -#include <asm/mach-types.h> - -#include "s3c24xx-i2s.h" - -static unsigned int rates[] = { - 11025, - 22050, - 44100, -}; - -static struct snd_pcm_hw_constraint_list hw_rates = { - .count = ARRAY_SIZE(rates), - .list = rates, - .mask = 0, -}; - -static struct snd_soc_jack hp_jack; - -static struct snd_soc_jack_pin hp_jack_pins[] = { - { - .pin = "Headphone Jack", - .mask = SND_JACK_HEADPHONE, - }, - { - .pin = "Speaker", - .mask = SND_JACK_HEADPHONE, - .invert = 1, - }, -}; - -static struct snd_soc_jack_gpio hp_jack_gpios[] = { - { - .gpio = S3C2410_GPG(4), - .name = "hp-gpio", - .report = SND_JACK_HEADPHONE, - .invert = 1, - .debounce_time = 200, - }, -}; - -static int h1940_startup(struct snd_pcm_substream *substream) -{ - struct snd_pcm_runtime *runtime = substream->runtime; - - runtime->hw.rate_min = hw_rates.list[0]; - runtime->hw.rate_max = hw_rates.list[hw_rates.count - 1]; - runtime->hw.rates = SNDRV_PCM_RATE_KNOT; - - return snd_pcm_hw_constraint_list(runtime, 0, - SNDRV_PCM_HW_PARAM_RATE, - &hw_rates); -} - -static int h1940_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 *cpu_dai = rtd->cpu_dai; - struct snd_soc_dai *codec_dai = rtd->codec_dai; - int div; - int ret; - unsigned int rate = params_rate(params); - - switch (rate) { - case 11025: - case 22050: - case 44100: - div = s3c24xx_i2s_get_clockrate() / (384 * rate); - if (s3c24xx_i2s_get_clockrate() % (384 * rate) > (192 * rate)) - div++; - break; - default: - dev_err(&rtd->dev, "%s: rate %d is not supported\n", - __func__, rate); - return -EINVAL; - } - - /* set codec DAI configuration */ - ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_I2S | - SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBS_CFS); - if (ret < 0) - return ret; - - /* set cpu DAI configuration */ - ret = snd_soc_dai_set_fmt(cpu_dai, SND_SOC_DAIFMT_I2S | - SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBS_CFS); - if (ret < 0) - return ret; - - /* select clock source */ - ret = snd_soc_dai_set_sysclk(cpu_dai, S3C24XX_CLKSRC_PCLK, rate, - SND_SOC_CLOCK_OUT); - if (ret < 0) - return ret; - - /* set MCLK division for sample rate */ - ret = snd_soc_dai_set_clkdiv(cpu_dai, S3C24XX_DIV_MCLK, - S3C2410_IISMOD_384FS); - if (ret < 0) - return ret; - - /* set BCLK division for sample rate */ - ret = snd_soc_dai_set_clkdiv(cpu_dai, S3C24XX_DIV_BCLK, - S3C2410_IISMOD_32FS); - if (ret < 0) - return ret; - - /* set prescaler division for sample rate */ - ret = snd_soc_dai_set_clkdiv(cpu_dai, S3C24XX_DIV_PRESCALER, - S3C24XX_PRESCALE(div, div)); - if (ret < 0) - return ret; - - return 0; -} - -static struct snd_soc_ops h1940_ops = { - .startup = h1940_startup, - .hw_params = h1940_hw_params, -}; - -static int h1940_spk_power(struct snd_soc_dapm_widget *w, - struct snd_kcontrol *kcontrol, int event) -{ - if (SND_SOC_DAPM_EVENT_ON(event)) - gpio_set_value(H1940_LATCH_AUDIO_POWER, 1); - else - gpio_set_value(H1940_LATCH_AUDIO_POWER, 0); - - return 0; -} - -/* h1940 machine dapm widgets */ -static const struct snd_soc_dapm_widget uda1380_dapm_widgets[] = { - SND_SOC_DAPM_HP("Headphone Jack", NULL), - SND_SOC_DAPM_MIC("Mic Jack", NULL), - SND_SOC_DAPM_SPK("Speaker", h1940_spk_power), -}; - -/* h1940 machine audio_map */ -static const struct snd_soc_dapm_route audio_map[] = { - /* headphone connected to VOUTLHP, VOUTRHP */ - {"Headphone Jack", NULL, "VOUTLHP"}, - {"Headphone Jack", NULL, "VOUTRHP"}, - - /* ext speaker connected to VOUTL, VOUTR */ - {"Speaker", NULL, "VOUTL"}, - {"Speaker", NULL, "VOUTR"}, - - /* mic is connected to VINM */ - {"VINM", NULL, "Mic Jack"}, -}; - -static struct platform_device *s3c24xx_snd_device; - -static int h1940_uda1380_init(struct snd_soc_pcm_runtime *rtd) -{ - struct snd_soc_codec *codec = rtd->codec; - struct snd_soc_dapm_context *dapm = &codec->dapm; - int err; - - snd_soc_dapm_enable_pin(dapm, "Headphone Jack"); - snd_soc_dapm_enable_pin(dapm, "Speaker"); - snd_soc_dapm_enable_pin(dapm, "Mic Jack"); - - snd_soc_jack_new(codec, "Headphone Jack", SND_JACK_HEADPHONE, - &hp_jack); - - snd_soc_jack_add_pins(&hp_jack, ARRAY_SIZE(hp_jack_pins), - hp_jack_pins); - - snd_soc_jack_add_gpios(&hp_jack, ARRAY_SIZE(hp_jack_gpios), - hp_jack_gpios); - - return 0; -} - -/* s3c24xx digital audio interface glue - connects codec <--> CPU */ -static struct snd_soc_dai_link h1940_uda1380_dai[] = { - { - .name = "uda1380", - .stream_name = "UDA1380 Duplex", - .cpu_dai_name = "s3c24xx-iis", - .codec_dai_name = "uda1380-hifi", - .init = h1940_uda1380_init, - .platform_name = "samsung-audio", - .codec_name = "uda1380-codec.0-001a", - .ops = &h1940_ops, - }, -}; - -static struct snd_soc_card h1940_asoc = { - .name = "h1940", - .owner = THIS_MODULE, - .dai_link = h1940_uda1380_dai, - .num_links = ARRAY_SIZE(h1940_uda1380_dai), - - .dapm_widgets = uda1380_dapm_widgets, - .num_dapm_widgets = ARRAY_SIZE(uda1380_dapm_widgets), - .dapm_routes = audio_map, - .num_dapm_routes = ARRAY_SIZE(audio_map), -}; - -static int __init h1940_init(void) -{ - int ret; - - if (!machine_is_h1940()) - return -ENODEV; - - /* configure some gpios */ - ret = gpio_request(H1940_LATCH_AUDIO_POWER, "speaker-power"); - if (ret) - goto err_out; - - ret = gpio_direction_output(H1940_LATCH_AUDIO_POWER, 0); - if (ret) - goto err_gpio; - - s3c24xx_snd_device = platform_device_alloc("soc-audio", -1); - if (!s3c24xx_snd_device) { - ret = -ENOMEM; - goto err_gpio; - } - - platform_set_drvdata(s3c24xx_snd_device, &h1940_asoc); - ret = platform_device_add(s3c24xx_snd_device); - - if (ret) - goto err_plat; - - return 0; - -err_plat: - platform_device_put(s3c24xx_snd_device); -err_gpio: - gpio_free(H1940_LATCH_AUDIO_POWER); - -err_out: - return ret; -} - -static void __exit h1940_exit(void) -{ - platform_device_unregister(s3c24xx_snd_device); - snd_soc_jack_free_gpios(&hp_jack, ARRAY_SIZE(hp_jack_gpios), - hp_jack_gpios); - gpio_free(H1940_LATCH_AUDIO_POWER); -} - -module_init(h1940_init); -module_exit(h1940_exit); - -/* Module information */ -MODULE_AUTHOR("Arnaud Patard, Vasily Khoruzhick"); -MODULE_DESCRIPTION("ALSA SoC H1940"); -MODULE_LICENSE("GPL"); |