diff options
Diffstat (limited to 'sound/soc/samsung/h1940_uda1380.c')
| -rw-r--r-- | sound/soc/samsung/h1940_uda1380.c | 224 |
1 files changed, 0 insertions, 224 deletions
diff --git a/sound/soc/samsung/h1940_uda1380.c b/sound/soc/samsung/h1940_uda1380.c deleted file mode 100644 index fa45a54ab18f..000000000000 --- a/sound/soc/samsung/h1940_uda1380.c +++ /dev/null @@ -1,224 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0+ -// -// 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> - -#include <linux/types.h> -#include <linux/gpio/consumer.h> -#include <linux/module.h> - -#include <sound/soc.h> -#include <sound/jack.h> - -#include "regs-iis.h" -#include "s3c24xx-i2s.h" - -static const unsigned int rates[] = { - 11025, - 22050, - 44100, -}; - -static const struct snd_pcm_hw_constraint_list hw_rates = { - .count = ARRAY_SIZE(rates), - .list = rates, -}; - -static struct gpio_desc *gpiod_speaker_power; - -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[] = { - { - .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; - - 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 = asoc_substream_to_rtd(substream); - struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0); - 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; - } - - /* 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 const 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)) - gpiod_set_value(gpiod_speaker_power, 1); - else - gpiod_set_value(gpiod_speaker_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 int h1940_uda1380_init(struct snd_soc_pcm_runtime *rtd) -{ - snd_soc_card_jack_new_pins(rtd->card, "Headphone Jack", - SND_JACK_HEADPHONE, - &hp_jack, hp_jack_pins, ARRAY_SIZE(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 */ -SND_SOC_DAILINK_DEFS(uda1380, - DAILINK_COMP_ARRAY(COMP_CPU("s3c24xx-iis")), - DAILINK_COMP_ARRAY(COMP_CODEC("uda1380-codec.0-001a", "uda1380-hifi")), - DAILINK_COMP_ARRAY(COMP_PLATFORM("s3c24xx-iis"))); - -static struct snd_soc_dai_link h1940_uda1380_dai[] = { - { - .name = "uda1380", - .stream_name = "UDA1380 Duplex", - .init = h1940_uda1380_init, - .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | - SND_SOC_DAIFMT_CBS_CFS, - .ops = &h1940_ops, - SND_SOC_DAILINK_REG(uda1380), - }, -}; - -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 h1940_probe(struct platform_device *pdev) -{ - struct device *dev = &pdev->dev; - - h1940_asoc.dev = dev; - hp_jack_gpios[0].gpiod_dev = dev; - gpiod_speaker_power = devm_gpiod_get(&pdev->dev, "speaker-power", - GPIOD_OUT_LOW); - - if (IS_ERR(gpiod_speaker_power)) { - dev_err(dev, "Could not get gpio\n"); - return PTR_ERR(gpiod_speaker_power); - } - - return devm_snd_soc_register_card(dev, &h1940_asoc); -} - -static struct platform_driver h1940_audio_driver = { - .driver = { - .name = "h1940-audio", - .pm = &snd_soc_pm_ops, - }, - .probe = h1940_probe, -}; -module_platform_driver(h1940_audio_driver); - -/* Module information */ -MODULE_AUTHOR("Arnaud Patard, Vasily Khoruzhick"); -MODULE_DESCRIPTION("ALSA SoC H1940"); -MODULE_LICENSE("GPL"); -MODULE_ALIAS("platform:h1940-audio"); |