Dne Ne 12. září 2010 14:18:47 Vasily Khoruzhick napsal(a):
Signed-off-by: Vasily Khoruzhick anarsoul@gmail.com Tested-by: Arnaud Patard arnaud.patard@rtp-net.org
have my: Reviewed-by: Marek Vasut marek.vasut@gmail.com
sound/soc/s3c24xx/Kconfig | 8 + sound/soc/s3c24xx/Makefile | 2 + sound/soc/s3c24xx/h1940_uda1380.c | 297 +++++++++++++++++++++++++++++++++++++ 3 files changed, 307 insertions(+), 0 deletions(-) create mode 100644 sound/soc/s3c24xx/h1940_uda1380.c
diff --git a/sound/soc/s3c24xx/Kconfig b/sound/soc/s3c24xx/Kconfig index 7d8235d..6b50509 100644 --- a/sound/soc/s3c24xx/Kconfig +++ b/sound/soc/s3c24xx/Kconfig @@ -118,6 +118,14 @@ config SND_S3C24XX_SOC_SIMTEC_HERMES select SND_SOC_TLV320AIC3X select SND_S3C24XX_SOC_SIMTEC
+config SND_S3C24XX_SOC_H1940_UDA1380
- tristate "Audio support for the HP iPAQ H1940"
- depends on SND_S3C24XX_SOC && ARCH_H1940
- select SND_S3C24XX_SOC_I2S
- select SND_SOC_UDA1380
- help
This driver provides audio support for HP iPAQ h1940 PDA.
config SND_S3C24XX_SOC_RX1950_UDA1380 tristate "Audio support for the HP iPAQ RX1950" depends on SND_S3C24XX_SOC && MACH_RX1950 diff --git a/sound/soc/s3c24xx/Makefile b/sound/soc/s3c24xx/Makefile index dd412a9..33a7c68 100644 --- a/sound/soc/s3c24xx/Makefile +++ b/sound/soc/s3c24xx/Makefile @@ -28,6 +28,7 @@ snd-soc-s3c24xx-simtec-objs := s3c24xx_simtec.o snd-soc-s3c24xx-simtec-hermes-objs := s3c24xx_simtec_hermes.o snd-soc-s3c24xx-simtec-tlv320aic23-objs := s3c24xx_simtec_tlv320aic23.o snd-soc-rx1950-uda1380-objs := rx1950_uda1380.o +snd-soc-h1940-uda1380-objs := h1940_uda1380.o snd-soc-smdk64xx-wm8580-objs := smdk64xx_wm8580.o snd-soc-smdk-wm9713-objs := smdk_wm9713.o snd-soc-s3c64xx-smartq-wm8987-objs := smartq_wm8987.o @@ -44,6 +45,7 @@ obj-$(CONFIG_SND_S3C24XX_SOC_SIMTEC) += snd-soc-s3c24xx-simtec.o obj-$(CONFIG_SND_S3C24XX_SOC_SIMTEC_HERMES) += snd-soc-s3c24xx-simtec-hermes.o obj-$(CONFIG_SND_S3C24XX_SOC_SIMTEC_TLV320AIC23) += snd-soc-s3c24xx-simtec-tlv320aic23.o obj-$(CONFIG_SND_S3C24XX_SOC_RX1950_UDA1380) += snd-soc-rx1950-uda1380.o +obj-$(CONFIG_SND_S3C24XX_SOC_H1940_UDA1380) += snd-soc-h1940-uda1380.o obj-$(CONFIG_SND_S3C64XX_SOC_WM8580) += snd-soc-smdk64xx-wm8580.o obj-$(CONFIG_SND_SOC_SMDK_WM9713) += snd-soc-smdk-wm9713.o obj-$(CONFIG_SND_S3C64XX_SOC_SMARTQ) += snd-soc-s3c64xx-smartq-wm8987.o diff --git a/sound/soc/s3c24xx/h1940_uda1380.c b/sound/soc/s3c24xx/h1940_uda1380.c new file mode 100644 index 0000000..5dbc0ea --- /dev/null +++ b/sound/soc/s3c24xx/h1940_uda1380.c @@ -0,0 +1,297 @@ +/*
- 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/module.h> +#include <linux/moduleparam.h> +#include <linux/platform_device.h> +#include <linux/i2c.h> +#include <linux/gpio.h>
+#include <sound/soc.h> +#include <sound/soc-dapm.h> +#include <sound/uda1380.h> +#include <sound/jack.h>
+#include <plat/regs-iis.h>
+#include <mach/h1940-latch.h>
+#include <asm/mach-types.h>
+#include "s3c-dma.h" +#include "s3c24xx-i2s.h" +#include "../codecs/uda1380.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;
- int err;
- /* Add h1940 specific widgets */
- err = snd_soc_dapm_new_controls(codec, uda1380_dapm_widgets,
ARRAY_SIZE(uda1380_dapm_widgets));
- if (err)
return err;
- /* Set up h1940 specific audio path audio_mapnects */
- err = snd_soc_dapm_add_routes(codec, audio_map,
ARRAY_SIZE(audio_map));
- if (err)
return err;
- snd_soc_dapm_enable_pin(codec, "Headphone Jack");
- snd_soc_dapm_enable_pin(codec, "Speaker");
- snd_soc_dapm_enable_pin(codec, "Mic Jack");
- snd_soc_dapm_sync(codec);
- 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 = "s3c24xx-pcm-audio",
.codec_name = "uda1380-codec.0-001a",
.ops = &h1940_ops,
- },
+};
+static struct snd_soc_card h1940_asoc = {
- .name = "h1940",
- .dai_link = h1940_uda1380_dai,
- .num_links = ARRAY_SIZE(h1940_uda1380_dai),
+};
+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"); +MODULE_ALIAS("platform:soc-audio");