diff options
Diffstat (limited to 'sound/soc')
-rw-r--r-- | sound/soc/samsung/Kconfig | 8 | ||||
-rw-r--r-- | sound/soc/samsung/Makefile | 2 | ||||
-rw-r--r-- | sound/soc/samsung/bells.c | 346 |
3 files changed, 356 insertions, 0 deletions
diff --git a/sound/soc/samsung/Kconfig b/sound/soc/samsung/Kconfig index fe3995ce9b3..fb560008361 100644 --- a/sound/soc/samsung/Kconfig +++ b/sound/soc/samsung/Kconfig @@ -199,6 +199,14 @@ config SND_SOC_TOBERMORY select SND_SAMSUNG_I2S select SND_SOC_WM8962 +config SND_SOC_BELLS + tristate "Audio support for Wolfson Bells" + depends on SND_SOC_SAMSUNG && MACH_WLF_CRAGG_6410 + select SND_SAMSUNG_I2S + select SND_SOC_WM5102 + select SND_SOC_WM5110 + select SND_SOC_WM9081 + config SND_SOC_LOWLAND tristate "Audio support for Wolfson Lowland" depends on SND_SOC_SAMSUNG && MACH_WLF_CRAGG_6410 diff --git a/sound/soc/samsung/Makefile b/sound/soc/samsung/Makefile index 9d03beb40c8..709f6059ad6 100644 --- a/sound/soc/samsung/Makefile +++ b/sound/soc/samsung/Makefile @@ -42,6 +42,7 @@ snd-soc-speyside-objs := speyside.o snd-soc-tobermory-objs := tobermory.o snd-soc-lowland-objs := lowland.o snd-soc-littlemill-objs := littlemill.o +snd-soc-bells-objs := bells.o obj-$(CONFIG_SND_SOC_SAMSUNG_JIVE_WM8750) += snd-soc-jive-wm8750.o obj-$(CONFIG_SND_SOC_SAMSUNG_NEO1973_WM8753) += snd-soc-neo1973-wm8753.o @@ -65,3 +66,4 @@ obj-$(CONFIG_SND_SOC_SPEYSIDE) += snd-soc-speyside.o obj-$(CONFIG_SND_SOC_TOBERMORY) += snd-soc-tobermory.o obj-$(CONFIG_SND_SOC_LOWLAND) += snd-soc-lowland.o obj-$(CONFIG_SND_SOC_LITTLEMILL) += snd-soc-littlemill.o +obj-$(CONFIG_SND_SOC_BELLS) += snd-soc-bells.o diff --git a/sound/soc/samsung/bells.c b/sound/soc/samsung/bells.c new file mode 100644 index 00000000000..5dc10dfc0d4 --- /dev/null +++ b/sound/soc/samsung/bells.c @@ -0,0 +1,346 @@ +/* + * Bells audio support + * + * Copyright 2012 Wolfson Microelectronics + * + * 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 <sound/soc.h> +#include <sound/soc-dapm.h> +#include <sound/jack.h> +#include <linux/gpio.h> +#include <linux/module.h> + +#include "../codecs/wm5102.h" +#include "../codecs/wm9081.h" + +/* + * 44.1kHz based clocks for the SYSCLK domain, use a very high clock + * to allow all the DSP functionality to be enabled if desired. + */ +#define SYSCLK_RATE (44100 * 1024) + +/* 48kHz based clocks for the ASYNC domain */ +#define ASYNCCLK_RATE (48000 * 512) + +/* BCLK2 is fixed at this currently */ +#define BCLK2_RATE (64 * 8000) + +/* + * Expect a 24.576MHz crystal if one is fitted (the driver will function + * if this is not fitted). + */ +#define MCLK_RATE 24576000 + +#define WM9081_AUDIO_RATE 44100 +#define WM9081_MCLK_RATE (WM9081_AUDIO_RATE * 256) + +static int bells_set_bias_level(struct snd_soc_card *card, + struct snd_soc_dapm_context *dapm, + enum snd_soc_bias_level level) +{ + struct snd_soc_dai *codec_dai = card->rtd[0].codec_dai; + struct snd_soc_codec *codec = codec_dai->codec; + int ret; + + if (dapm->dev != codec_dai->dev) + return 0; + + switch (level) { + case SND_SOC_BIAS_PREPARE: + if (dapm->bias_level == SND_SOC_BIAS_STANDBY) { + ret = snd_soc_codec_set_pll(codec, WM5102_FLL1, + ARIZONA_FLL_SRC_MCLK1, + MCLK_RATE, + SYSCLK_RATE); + if (ret < 0) + pr_err("Failed to start FLL: %d\n", ret); + + ret = snd_soc_codec_set_pll(codec, WM5102_FLL2, + ARIZONA_FLL_SRC_AIF2BCLK, + BCLK2_RATE, + ASYNCCLK_RATE); + if (ret < 0) + pr_err("Failed to start FLL: %d\n", ret); + } + break; + + default: + break; + } + + return 0; +} + +static int bells_set_bias_level_post(struct snd_soc_card *card, + struct snd_soc_dapm_context *dapm, + enum snd_soc_bias_level level) +{ + struct snd_soc_dai *codec_dai = card->rtd[0].codec_dai; + struct snd_soc_codec *codec = codec_dai->codec; + int ret; + + if (dapm->dev != codec_dai->dev) + return 0; + + switch (level) { + case SND_SOC_BIAS_STANDBY: + ret = snd_soc_codec_set_pll(codec, WM5102_FLL1, 0, 0, 0); + if (ret < 0) { + pr_err("Failed to stop FLL: %d\n", ret); + return ret; + } + + ret = snd_soc_codec_set_pll(codec, WM5102_FLL2, 0, 0, 0); + if (ret < 0) { + pr_err("Failed to stop FLL: %d\n", ret); + return ret; + } + break; + + default: + break; + } + + dapm->bias_level = level; + + return 0; +} + +static int bells_late_probe(struct snd_soc_card *card) +{ + struct snd_soc_codec *codec = card->rtd[0].codec; + struct snd_soc_dai *aif1_dai = card->rtd[0].codec_dai; + struct snd_soc_dai *aif2_dai = card->rtd[1].cpu_dai; + struct snd_soc_dai *aif3_dai = card->rtd[2].cpu_dai; + struct snd_soc_dai *wm9081_dai = card->rtd[2].codec_dai; + int ret; + + ret = snd_soc_dai_set_sysclk(aif1_dai, ARIZONA_CLK_SYSCLK, 0, 0); + if (ret != 0) { + dev_err(aif1_dai->dev, "Failed to set AIF1 clock: %d\n", ret); + return ret; + } + + ret = snd_soc_dai_set_sysclk(aif2_dai, ARIZONA_CLK_ASYNCCLK, 0, 0); + if (ret != 0) { + dev_err(aif2_dai->dev, "Failed to set AIF2 clock: %d\n", ret); + return ret; + } + + ret = snd_soc_dai_set_sysclk(aif3_dai, ARIZONA_CLK_SYSCLK, 0, 0); + if (ret != 0) { + dev_err(aif1_dai->dev, "Failed to set AIF1 clock: %d\n", ret); + return ret; + } + + ret = snd_soc_codec_set_sysclk(codec, ARIZONA_CLK_SYSCLK, + ARIZONA_CLK_SRC_FLL1, SYSCLK_RATE, + SND_SOC_CLOCK_IN); + if (ret != 0) { + dev_err(codec->dev, "Failed to set SYSCLK: %d\n", ret); + return ret; + } + + ret = snd_soc_codec_set_sysclk(codec, ARIZONA_CLK_OPCLK, 0, + WM9081_MCLK_RATE, SND_SOC_CLOCK_OUT); + if (ret != 0) { + dev_err(codec->dev, "Failed to set OPCLK: %d\n", ret); + return ret; + } + + ret = snd_soc_codec_set_sysclk(codec, ARIZONA_CLK_ASYNCCLK, + ARIZONA_CLK_SRC_FLL2, ASYNCCLK_RATE, + SND_SOC_CLOCK_IN); + if (ret != 0) { + dev_err(codec->dev, "Failed to set SYSCLK: %d\n", ret); + return ret; + } + + ret = snd_soc_codec_set_sysclk(wm9081_dai->codec, WM9081_SYSCLK_MCLK, + 0, WM9081_MCLK_RATE, 0); + if (ret != 0) { + dev_err(wm9081_dai->dev, "Failed to set MCLK: %d\n", ret); + return ret; + } + + return 0; +} + +static const struct snd_soc_pcm_stream baseband_params = { + .formats = SNDRV_PCM_FMTBIT_S32_LE, + .rate_min = 8000, + .rate_max = 8000, + .channels_min = 2, + .channels_max = 2, +}; + +static const struct snd_soc_pcm_stream sub_params = { + .formats = SNDRV_PCM_FMTBIT_S32_LE, + .rate_min = WM9081_AUDIO_RATE, + .rate_max = WM9081_AUDIO_RATE, + .channels_min = 2, + .channels_max = 2, +}; + +static struct snd_soc_dai_link bells_dai_wm5102[] = { + { + .name = "CPU", + .stream_name = "CPU", + .cpu_dai_name = "samsung-i2s.0", + .codec_dai_name = "wm5102-aif1", + .platform_name = "samsung-audio", + .codec_name = "wm5102-codec", + .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF + | SND_SOC_DAIFMT_CBM_CFM, + }, + { + .name = "Baseband", + .stream_name = "Baseband", + .cpu_dai_name = "wm5102-aif2", + .codec_dai_name = "wm1250-ev1", + .codec_name = "wm1250-ev1.1-0027", + .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF + | SND_SOC_DAIFMT_CBM_CFM, + .ignore_suspend = 1, + .params = &baseband_params, + }, + { + .name = "Sub", + .stream_name = "Sub", + .cpu_dai_name = "wm5102-aif3", + .codec_dai_name = "wm9081-hifi", + .codec_name = "wm9081.1-006c", + .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF + | SND_SOC_DAIFMT_CBS_CFS, + .ignore_suspend = 1, + .params = &sub_params, + }, +}; + +static struct snd_soc_dai_link bells_dai_wm5110[] = { + { + .name = "CPU", + .stream_name = "CPU", + .cpu_dai_name = "samsung-i2s.0", + .codec_dai_name = "wm5110-aif1", + .platform_name = "samsung-audio", + .codec_name = "wm5110-codec", + .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF + | SND_SOC_DAIFMT_CBM_CFM, + }, + { + .name = "Baseband", + .stream_name = "Baseband", + .cpu_dai_name = "wm5110-aif2", + .codec_dai_name = "wm1250-ev1", + .codec_name = "wm1250-ev1.1-0027", + .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF + | SND_SOC_DAIFMT_CBM_CFM, + .ignore_suspend = 1, + .params = &baseband_params, + }, + { + .name = "Sub", + .stream_name = "Sub", + .cpu_dai_name = "wm5102-aif3", + .codec_dai_name = "wm9081-hifi", + .codec_name = "wm9081.1-006c", + .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF + | SND_SOC_DAIFMT_CBS_CFS, + .ignore_suspend = 1, + .params = &sub_params, + }, +}; + +static struct snd_soc_codec_conf bells_codec_conf[] = { + { + .dev_name = "wm9081.1-006c", + .name_prefix = "Sub", + }, +}; + +static struct snd_soc_dapm_route bells_routes[] = { + { "Sub CLK_SYS", NULL, "OPCLK" }, +}; + +static struct snd_soc_card bells_cards[] = { + { + .name = "Bells WM5102", + .owner = THIS_MODULE, + .dai_link = bells_dai_wm5102, + .num_links = ARRAY_SIZE(bells_dai_wm5102), + .codec_conf = bells_codec_conf, + .num_configs = ARRAY_SIZE(bells_codec_conf), + + .late_probe = bells_late_probe, + + .dapm_routes = bells_routes, + .num_dapm_routes = ARRAY_SIZE(bells_routes), + + .set_bias_level = bells_set_bias_level, + .set_bias_level_post = bells_set_bias_level_post, + }, + { + .name = "Bells WM5110", + .owner = THIS_MODULE, + .dai_link = bells_dai_wm5110, + .num_links = ARRAY_SIZE(bells_dai_wm5110), + .codec_conf = bells_codec_conf, + .num_configs = ARRAY_SIZE(bells_codec_conf), + + .late_probe = bells_late_probe, + + .dapm_routes = bells_routes, + .num_dapm_routes = ARRAY_SIZE(bells_routes), + + .set_bias_level = bells_set_bias_level, + .set_bias_level_post = bells_set_bias_level_post, + }, +}; + + +static __devinit int bells_probe(struct platform_device *pdev) +{ + int ret; + + bells_cards[pdev->id].dev = &pdev->dev; + + ret = snd_soc_register_card(&bells_cards[pdev->id]); + if (ret) { + dev_err(&pdev->dev, + "snd_soc_register_card(%s) failed: %d\n", + bells_cards[pdev->id].name, ret); + return ret; + } + + return 0; +} + +static int __devexit bells_remove(struct platform_device *pdev) +{ + snd_soc_unregister_card(&bells_cards[pdev->id]); + + return 0; +} + +static struct platform_driver bells_driver = { + .driver = { + .name = "bells", + .owner = THIS_MODULE, + .pm = &snd_soc_pm_ops, + }, + .probe = bells_probe, + .remove = __devexit_p(bells_remove), +}; + +module_platform_driver(bells_driver); + +MODULE_DESCRIPTION("Bells audio support"); +MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>"); +MODULE_LICENSE("GPL"); +MODULE_ALIAS("platform:bells"); |