Signed-off-by: Vasily Khoruzhick anarsoul@gmail.com --- sound/soc/s3c24xx/Kconfig | 8 + sound/soc/s3c24xx/Makefile | 2 + sound/soc/s3c24xx/rx1950_uda1380.c | 331 ++++++++++++++++++++++++++++++++++++ 3 files changed, 341 insertions(+), 0 deletions(-) create mode 100644 sound/soc/s3c24xx/rx1950_uda1380.c
diff --git a/sound/soc/s3c24xx/Kconfig b/sound/soc/s3c24xx/Kconfig index 213963ac..66231fd 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_RX1950_UDA1380 + tristate "Audio support for the HP iPAQ RX1950" + depends on SND_S3C24XX_SOC && MACH_RX1950 + select SND_S3C24XX_SOC_I2S + select SND_SOC_UDA1380 + help + This driver provides audio support for HP iPAQ RX1950 PDA. + config SND_SOC_SMDK_WM9713 tristate "SoC AC97 Audio support for SMDK with WM9713" depends on SND_S3C24XX_SOC && (MACH_SMDK6410 || MACH_SMDKC100 || MACH_SMDKV210 || MACH_SMDKC110) diff --git a/sound/soc/s3c24xx/Makefile b/sound/soc/s3c24xx/Makefile index 50172c3..8c54a15 100644 --- a/sound/soc/s3c24xx/Makefile +++ b/sound/soc/s3c24xx/Makefile @@ -27,6 +27,7 @@ snd-soc-s3c24xx-uda134x-objs := s3c24xx_uda134x.o 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-smdk64xx-wm8580-objs := smdk64xx_wm8580.o snd-soc-smdk-wm9713-objs := smdk_wm9713.o snd-soc-s3c64xx-smartq-wm8987-objs := smartq_wm8987.o @@ -40,6 +41,7 @@ obj-$(CONFIG_SND_S3C24XX_SOC_S3C24XX_UDA134X) += snd-soc-s3c24xx-uda134x.o obj-$(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_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/rx1950_uda1380.c b/sound/soc/s3c24xx/rx1950_uda1380.c new file mode 100644 index 0000000..61d49a3 --- /dev/null +++ b/sound/soc/s3c24xx/rx1950_uda1380.c @@ -0,0 +1,331 @@ +/* + * rx1950.c -- ALSA Soc Audio Layer + * + * Copyright (c) 2010 Vasily Khoruzhick anarsoul@gmail.com + * + * Based on smdk2440.c and magician.c + * + * Authors: Graeme Gregory graeme.gregory@wolfsonmicro.com + * Philipp Zabel philipp.zabel@gmail.com + * Denis Grigoriev dgreenday@gmail.com + * Vasily Khoruzhick anarsoul@gmail.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/delay.h> +#include <linux/interrupt.h> +#include <linux/platform_device.h> +#include <linux/spinlock.h> +#include <linux/i2c.h> +#include <linux/gpio.h> +#include <linux/clk.h> + +#include <sound/core.h> +#include <sound/pcm.h> +#include <sound/pcm_params.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/regs-clock.h> + +#include "s3c-dma.h" +#include "s3c24xx-i2s.h" +#include "../codecs/uda1380.h" + +static int rx1950_uda1380_init(struct snd_soc_codec *codec); +static int rx1950_startup(struct snd_pcm_substream *substream); +static int rx1950_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params); +static int rx1950_spk_power(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *kcontrol, int event); + +static unsigned int rates[] = { + 16000, + 44100, + 48000, + 88200, +}; + +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[] = { + [0] = { + .gpio = S3C2410_GPG(12), + .name = "hp-gpio", + .report = SND_JACK_HEADPHONE, + .invert = 1, + .debounce_time = 200, + }, +}; + +static struct snd_soc_ops rx1950_ops = { + .startup = rx1950_startup, + .hw_params = rx1950_hw_params, +}; + +/* s3c24xx digital audio interface glue - connects codec <--> CPU */ +static struct snd_soc_dai_link rx1950_uda1380_dai[] = { + { + .name = "uda1380", + .stream_name = "UDA1380", + .cpu_dai = &s3c24xx_i2s_dai, + .codec_dai = &uda1380_dai[UDA1380_DAI_DUPLEX], + .init = rx1950_uda1380_init, + .ops = &rx1950_ops, + }, +}; + +static struct snd_soc_card rx1950_asoc = { + .name = "rx1950", + .platform = &s3c24xx_soc_platform, + .dai_link = rx1950_uda1380_dai, + .num_links = ARRAY_SIZE(rx1950_uda1380_dai), +}; + +/* s3c24xx audio subsystem */ +static struct snd_soc_device s3c24xx_snd_devdata = { + .card = &rx1950_asoc, + .codec_dev = &soc_codec_dev_uda1380, +}; + +/* rx1950 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", rx1950_spk_power), +}; + +/* rx1950 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 struct clk *xtal; + +static int rx1950_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 rx1950_spk_power(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *kcontrol, int event) +{ + if (SND_SOC_DAPM_EVENT_ON(event)) + gpio_direction_output(S3C2410_GPA(1), 1); + else + gpio_direction_output(S3C2410_GPA(1), 0); + + return 0; +} + +static int rx1950_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->dai->cpu_dai; + struct snd_soc_dai *codec_dai = rtd->dai->codec_dai; + int div; + int ret; + unsigned int rate = params_rate(params); + int clk_source, fs_mode; + + switch (rate) { + case 16000: + case 48000: + clk_source = S3C24XX_CLKSRC_PCLK; + fs_mode = S3C2410_IISMOD_384FS; + div = s3c24xx_i2s_get_clockrate() / (384 * rate); + if (s3c24xx_i2s_get_clockrate() % (384 * rate) > (182 * rate)) + div++; + break; + case 44100: + case 88200: + clk_source = S3C24XX_CLKSRC_MPLL; + fs_mode = S3C2410_IISMOD_256FS; + div = clk_get_rate(xtal) / (256 * rate); + if (clk_get_rate(xtal) % (256 * rate) > (128 * rate)) + div++; + break; + default: + printk(KERN_ERR "%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, clk_source, 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 int rx1950_uda1380_init(struct snd_soc_codec *codec) +{ + int err; + + /* Add rx1950 specific widgets */ + snd_soc_dapm_new_controls(codec, uda1380_dapm_widgets, + ARRAY_SIZE(uda1380_dapm_widgets)); + + /* Set up rx1950 specific audio path audio_mapnects */ + err = snd_soc_dapm_add_routes(codec, audio_map, + ARRAY_SIZE(audio_map)); + + snd_soc_dapm_enable_pin(codec, "Headphone Jack"); + snd_soc_dapm_enable_pin(codec, "Speaker"); + + snd_soc_dapm_sync(codec); + + snd_soc_jack_new(&rx1950_asoc, "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; +} + +static int __init rx1950_init(void) +{ + int ret; + + /* configure some gpios */ + ret = gpio_request(S3C2410_GPA(1), "speaker-power"); + if (ret) + goto err_gpio; + + gpio_direction_output(S3C2410_GPA(1), 0); + + s3c24xx_snd_device = platform_device_alloc("soc-audio", -1); + if (!s3c24xx_snd_device) { + ret = -ENOMEM; + goto err_plat_alloc; + } + + platform_set_drvdata(s3c24xx_snd_device, &s3c24xx_snd_devdata); + s3c24xx_snd_devdata.dev = &s3c24xx_snd_device->dev; + ret = platform_device_add(s3c24xx_snd_device); + + if (ret) { + platform_device_put(s3c24xx_snd_device); + goto err_plat_add; + } + + xtal = clk_get(&s3c24xx_snd_device->dev, "xtal"); + + if (IS_ERR(xtal)) { + ret = PTR_ERR(xtal); + platform_device_unregister(s3c24xx_snd_device); + goto err_clk; + } + + return 0; + +err_clk: +err_plat_add: +err_plat_alloc: + gpio_free(S3C2410_GPA(1)); + +err_gpio: + return ret; +} + +static void __exit rx1950_exit(void) +{ + platform_device_unregister(s3c24xx_snd_device); + snd_soc_jack_free_gpios(&hp_jack, ARRAY_SIZE(hp_jack_gpios), + hp_jack_gpios); + clk_put(xtal); + gpio_free(S3C2410_GPA(1)); +} + +module_init(rx1950_init); +module_exit(rx1950_exit); + +/* Module information */ +MODULE_AUTHOR("Vasily Khoruzhick"); +MODULE_DESCRIPTION("ALSA SoC RX1950"); +MODULE_LICENSE("GPL");