diff options
Diffstat (limited to 'sound/soc/samsung')
32 files changed, 625 insertions, 258 deletions
diff --git a/sound/soc/samsung/Kconfig b/sound/soc/samsung/Kconfig index 53aaa69eda0..f3417f2311b 100644 --- a/sound/soc/samsung/Kconfig +++ b/sound/soc/samsung/Kconfig @@ -193,8 +193,22 @@ config SND_SOC_SPEYSIDE select SND_SOC_WM9081 select SND_SOC_WM1250_EV1 -config SND_SOC_SPEYSIDE_WM8962 - tristate "Audio support for Wolfson Speyside with WM8962" +config SND_SOC_TOBERMORY + tristate "Audio support for Wolfson Tobermory" depends on SND_SOC_SAMSUNG && MACH_WLF_CRAGG_6410 select SND_SAMSUNG_I2S select SND_SOC_WM8962 + +config SND_SOC_LOWLAND + tristate "Audio support for Wolfson Lowland" + depends on SND_SOC_SAMSUNG && MACH_WLF_CRAGG_6410 + select SND_SAMSUNG_I2S + select SND_SOC_WM5100 + select SND_SOC_WM9081 + +config SND_SOC_LITTLEMILL + tristate "Audio support for Wolfson Littlemill" + depends on SND_SOC_SAMSUNG && MACH_WLF_CRAGG_6410 + select SND_SAMSUNG_I2S + select MFD_WM8994 + select SND_SOC_WM8994 diff --git a/sound/soc/samsung/Makefile b/sound/soc/samsung/Makefile index 8509d3c4366..9d03beb40c8 100644 --- a/sound/soc/samsung/Makefile +++ b/sound/soc/samsung/Makefile @@ -39,7 +39,9 @@ snd-soc-smdk-spdif-objs := smdk_spdif.o snd-soc-smdk-wm8580pcm-objs := smdk_wm8580pcm.o snd-soc-smdk-wm8994pcm-objs := smdk_wm8994pcm.o snd-soc-speyside-objs := speyside.o -snd-soc-speyside-wm8962-objs := speyside_wm8962.o +snd-soc-tobermory-objs := tobermory.o +snd-soc-lowland-objs := lowland.o +snd-soc-littlemill-objs := littlemill.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 @@ -60,4 +62,6 @@ obj-$(CONFIG_SND_SOC_GONI_AQUILA_WM8994) += snd-soc-goni-wm8994.o obj-$(CONFIG_SND_SOC_SMDK_WM8580_PCM) += snd-soc-smdk-wm8580pcm.o obj-$(CONFIG_SND_SOC_SMDK_WM8994_PCM) += snd-soc-smdk-wm8994pcm.o obj-$(CONFIG_SND_SOC_SPEYSIDE) += snd-soc-speyside.o -obj-$(CONFIG_SND_SOC_SPEYSIDE_WM8962) += snd-soc-speyside-wm8962.o +obj-$(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 diff --git a/sound/soc/samsung/ac97.c b/sound/soc/samsung/ac97.c index 16521e3ffc0..7b9bf93e370 100644 --- a/sound/soc/samsung/ac97.c +++ b/sound/soc/samsung/ac97.c @@ -329,12 +329,12 @@ static int s3c_ac97_mic_trigger(struct snd_pcm_substream *substream, return 0; } -static struct snd_soc_dai_ops s3c_ac97_dai_ops = { +static const struct snd_soc_dai_ops s3c_ac97_dai_ops = { .hw_params = s3c_ac97_hw_params, .trigger = s3c_ac97_trigger, }; -static struct snd_soc_dai_ops s3c_ac97_mic_dai_ops = { +static const struct snd_soc_dai_ops s3c_ac97_mic_dai_ops = { .hw_params = s3c_ac97_hw_mic_params, .trigger = s3c_ac97_mic_trigger, }; @@ -509,17 +509,7 @@ static struct platform_driver s3c_ac97_driver = { }, }; -static int __init s3c_ac97_init(void) -{ - return platform_driver_register(&s3c_ac97_driver); -} -module_init(s3c_ac97_init); - -static void __exit s3c_ac97_exit(void) -{ - platform_driver_unregister(&s3c_ac97_driver); -} -module_exit(s3c_ac97_exit); +module_platform_driver(s3c_ac97_driver); MODULE_AUTHOR("Jaswinder Singh, <jassi.brar@samsung.com>"); MODULE_DESCRIPTION("AC97 driver for the Samsung SoC"); diff --git a/sound/soc/samsung/dma.c b/sound/soc/samsung/dma.c index a68b2644178..427ae0d9817 100644 --- a/sound/soc/samsung/dma.c +++ b/sound/soc/samsung/dma.c @@ -403,7 +403,6 @@ static u64 dma_mask = DMA_BIT_MASK(32); static int dma_new(struct snd_soc_pcm_runtime *rtd) { struct snd_card *card = rtd->card->snd_card; - struct snd_soc_dai *dai = rtd->cpu_dai; struct snd_pcm *pcm = rtd->pcm; int ret = 0; @@ -414,14 +413,14 @@ static int dma_new(struct snd_soc_pcm_runtime *rtd) if (!card->dev->coherent_dma_mask) card->dev->coherent_dma_mask = 0xffffffff; - if (dai->driver->playback.channels_min) { + if (pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream) { ret = preallocate_dma_buffer(pcm, SNDRV_PCM_STREAM_PLAYBACK); if (ret) goto out; } - if (dai->driver->capture.channels_min) { + if (pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream) { ret = preallocate_dma_buffer(pcm, SNDRV_PCM_STREAM_CAPTURE); if (ret) @@ -458,17 +457,7 @@ static struct platform_driver asoc_dma_driver = { .remove = __devexit_p(samsung_asoc_platform_remove), }; -static int __init samsung_asoc_init(void) -{ - return platform_driver_register(&asoc_dma_driver); -} -module_init(samsung_asoc_init); - -static void __exit samsung_asoc_exit(void) -{ - platform_driver_unregister(&asoc_dma_driver); -} -module_exit(samsung_asoc_exit); +module_platform_driver(asoc_dma_driver); MODULE_AUTHOR("Ben Dooks, <ben@simtec.co.uk>"); MODULE_DESCRIPTION("Samsung ASoC DMA Driver"); diff --git a/sound/soc/samsung/goni_wm8994.c b/sound/soc/samsung/goni_wm8994.c index 84f9c3cf7f3..c23c2ae91f5 100644 --- a/sound/soc/samsung/goni_wm8994.c +++ b/sound/soc/samsung/goni_wm8994.c @@ -244,6 +244,7 @@ static struct snd_soc_dai_link goni_dai[] = { static struct snd_soc_card goni = { .name = "goni", + .owner = THIS_MODULE, .dai_link = goni_dai, .num_links = ARRAY_SIZE(goni_dai), diff --git a/sound/soc/samsung/h1940_uda1380.c b/sound/soc/samsung/h1940_uda1380.c index 03cfa5fcdcc..6e3257717c5 100644 --- a/sound/soc/samsung/h1940_uda1380.c +++ b/sound/soc/samsung/h1940_uda1380.c @@ -215,6 +215,7 @@ static struct snd_soc_dai_link h1940_uda1380_dai[] = { static struct snd_soc_card h1940_asoc = { .name = "h1940", + .owner = THIS_MODULE, .dai_link = h1940_uda1380_dai, .num_links = ARRAY_SIZE(h1940_uda1380_dai), diff --git a/sound/soc/samsung/i2s.c b/sound/soc/samsung/i2s.c index bff42bf370b..87a874dc7a3 100644 --- a/sound/soc/samsung/i2s.c +++ b/sound/soc/samsung/i2s.c @@ -15,6 +15,7 @@ #include <linux/clk.h> #include <linux/io.h> #include <linux/module.h> +#include <linux/pm_runtime.h> #include <sound/soc.h> #include <sound/pcm_params.h> @@ -881,7 +882,7 @@ static int samsung_i2s_dai_probe(struct snd_soc_dai *dai) writel(CON_RSTCLR, i2s->addr + I2SCON); if (i2s->quirks & QUIRK_SEC_DAI) - idma_reg_addr_init((void *)i2s->addr, + idma_reg_addr_init(i2s->addr, i2s->sec_dai->idma_playback.dma_addr); probe_exit: @@ -923,7 +924,7 @@ static int samsung_i2s_dai_remove(struct snd_soc_dai *dai) return 0; } -static struct snd_soc_dai_ops samsung_i2s_dai_ops = { +static const struct snd_soc_dai_ops samsung_i2s_dai_ops = { .trigger = i2s_trigger, .hw_params = i2s_hw_params, .set_fmt = i2s_set_fmt, @@ -945,7 +946,7 @@ struct i2s_dai *i2s_alloc_dai(struct platform_device *pdev, bool sec) { struct i2s_dai *i2s; - i2s = kzalloc(sizeof(struct i2s_dai), GFP_KERNEL); + i2s = devm_kzalloc(&pdev->dev, sizeof(struct i2s_dai), GFP_KERNEL); if (i2s == NULL) return NULL; @@ -972,10 +973,8 @@ struct i2s_dai *i2s_alloc_dai(struct platform_device *pdev, bool sec) i2s->pdev = platform_device_register_resndata(NULL, pdev->name, pdev->id + SAMSUNG_I2S_SECOFF, NULL, 0, NULL, 0); - if (IS_ERR(i2s->pdev)) { - kfree(i2s); + if (IS_ERR(i2s->pdev)) return NULL; - } } /* Pre-assign snd_soc_dai_set_drvdata */ @@ -1048,7 +1047,7 @@ static __devinit int samsung_i2s_probe(struct platform_device *pdev) if (!pri_dai) { dev_err(&pdev->dev, "Unable to alloc I2S_pri\n"); ret = -ENOMEM; - goto err1; + goto err; } pri_dai->dma_playback.dma_addr = regs_base + I2STXD; @@ -1073,7 +1072,7 @@ static __devinit int samsung_i2s_probe(struct platform_device *pdev) if (!sec_dai) { dev_err(&pdev->dev, "Unable to alloc I2S_sec\n"); ret = -ENOMEM; - goto err2; + goto err; } sec_dai->dma_playback.dma_addr = regs_base + I2STXDS; sec_dai->dma_playback.client = @@ -1092,17 +1091,15 @@ static __devinit int samsung_i2s_probe(struct platform_device *pdev) if (i2s_pdata->cfg_gpio && i2s_pdata->cfg_gpio(pdev)) { dev_err(&pdev->dev, "Unable to configure gpio\n"); ret = -EINVAL; - goto err3; + goto err; } snd_soc_register_dai(&pri_dai->pdev->dev, &pri_dai->i2s_dai_drv); + pm_runtime_enable(&pdev->dev); + return 0; -err3: - kfree(sec_dai); -err2: - kfree(pri_dai); -err1: +err: release_mem_region(regs_base, resource_size(res)); return ret; @@ -1111,6 +1108,7 @@ err1: static __devexit int samsung_i2s_remove(struct platform_device *pdev) { struct i2s_dai *i2s, *other; + struct resource *res; i2s = dev_get_drvdata(&pdev->dev); other = i2s->pri_dai ? : i2s->sec_dai; @@ -1119,7 +1117,7 @@ static __devexit int samsung_i2s_remove(struct platform_device *pdev) other->pri_dai = NULL; other->sec_dai = NULL; } else { - struct resource *res; + pm_runtime_disable(&pdev->dev); res = platform_get_resource(pdev, IORESOURCE_MEM, 0); if (res) release_mem_region(res->start, resource_size(res)); @@ -1128,8 +1126,6 @@ static __devexit int samsung_i2s_remove(struct platform_device *pdev) i2s->pri_dai = NULL; i2s->sec_dai = NULL; - kfree(i2s); - snd_soc_unregister_dai(&pdev->dev); return 0; @@ -1144,17 +1140,7 @@ static struct platform_driver samsung_i2s_driver = { }, }; -static int __init samsung_i2s_init(void) -{ - return platform_driver_register(&samsung_i2s_driver); -} -module_init(samsung_i2s_init); - -static void __exit samsung_i2s_exit(void) -{ - platform_driver_unregister(&samsung_i2s_driver); -} -module_exit(samsung_i2s_exit); +module_platform_driver(samsung_i2s_driver); /* Module information */ MODULE_AUTHOR("Jaswinder Singh, <jassi.brar@samsung.com>"); diff --git a/sound/soc/samsung/idma.c b/sound/soc/samsung/idma.c index c41178efc90..c227c3163ca 100644 --- a/sound/soc/samsung/idma.c +++ b/sound/soc/samsung/idma.c @@ -387,7 +387,6 @@ static u64 idma_mask = DMA_BIT_MASK(32); static int idma_new(struct snd_soc_pcm_runtime *rtd) { struct snd_card *card = rtd->card->snd_card; - struct snd_soc_dai *dai = rtd->cpu_dai; struct snd_pcm *pcm = rtd->pcm; int ret = 0; @@ -396,21 +395,22 @@ static int idma_new(struct snd_soc_pcm_runtime *rtd) if (!card->dev->coherent_dma_mask) card->dev->coherent_dma_mask = DMA_BIT_MASK(32); - if (dai->driver->playback.channels_min) + if (pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream) { ret = preallocate_idma_buffer(pcm, SNDRV_PCM_STREAM_PLAYBACK); + } return ret; } -void idma_reg_addr_init(void *regs, dma_addr_t addr) +void idma_reg_addr_init(void __iomem *regs, dma_addr_t addr) { spin_lock_init(&idma.lock); idma.regs = regs; idma.lp_tx_addr = addr; } -struct snd_soc_platform_driver asoc_idma_platform = { +static struct snd_soc_platform_driver asoc_idma_platform = { .ops = &idma_ops, .pcm_new = idma_new, .pcm_free = idma_free, @@ -437,17 +437,7 @@ static struct platform_driver asoc_idma_driver = { .remove = __devexit_p(asoc_idma_platform_remove), }; -static int __init asoc_idma_init(void) -{ - return platform_driver_register(&asoc_idma_driver); -} -module_init(asoc_idma_init); - -static void __exit asoc_idma_exit(void) -{ - platform_driver_unregister(&asoc_idma_driver); -} -module_exit(asoc_idma_exit); +module_platform_driver(asoc_idma_driver); MODULE_AUTHOR("Jaswinder Singh, <jassisinghbrar@gmail.com>"); MODULE_DESCRIPTION("Samsung ASoC IDMA Driver"); diff --git a/sound/soc/samsung/idma.h b/sound/soc/samsung/idma.h index 48273216166..8644946973e 100644 --- a/sound/soc/samsung/idma.h +++ b/sound/soc/samsung/idma.h @@ -14,7 +14,7 @@ #ifndef __SND_SOC_SAMSUNG_IDMA_H_ #define __SND_SOC_SAMSUNG_IDMA_H_ -extern void idma_reg_addr_init(void *regs, dma_addr_t addr); +extern void idma_reg_addr_init(void __iomem *regs, dma_addr_t addr); /* dma_state */ #define LPAM_DMA_STOP 0 diff --git a/sound/soc/samsung/jive_wm8750.c b/sound/soc/samsung/jive_wm8750.c index 8e523fd9189..1578663a1fa 100644 --- a/sound/soc/samsung/jive_wm8750.c +++ b/sound/soc/samsung/jive_wm8750.c @@ -127,6 +127,7 @@ static struct snd_soc_dai_link jive_dai = { /* jive audio machine driver */ static struct snd_soc_card snd_soc_machine_jive = { .name = "Jive", + .owner = THIS_MODULE, .dai_link = &jive_dai, .num_links = 1, diff --git a/sound/soc/samsung/littlemill.c b/sound/soc/samsung/littlemill.c new file mode 100644 index 00000000000..9dd818bde06 --- /dev/null +++ b/sound/soc/samsung/littlemill.c @@ -0,0 +1,253 @@ +/* + * Littlemill audio support + * + * Copyright 2011 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/wm8994.h" + +static int sample_rate = 44100; + +static int littlemill_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; + int ret; + + if (dapm->dev != codec_dai->dev) + return 0; + + switch (level) { + case SND_SOC_BIAS_PREPARE: + /* + * If we've not already clocked things via hw_params() + * then do so now, otherwise these are noops. + */ + if (dapm->bias_level == SND_SOC_BIAS_STANDBY) { + ret = snd_soc_dai_set_pll(codec_dai, WM8994_FLL1, + WM8994_FLL_SRC_MCLK2, 32768, + sample_rate * 512); + if (ret < 0) { + pr_err("Failed to start FLL: %d\n", ret); + return ret; + } + + ret = snd_soc_dai_set_sysclk(codec_dai, + WM8994_SYSCLK_FLL1, + sample_rate * 512, + SND_SOC_CLOCK_IN); + if (ret < 0) { + pr_err("Failed to set SYSCLK: %d\n", ret); + return ret; + } + } + break; + + default: + break; + } + + return 0; +} + +static int littlemill_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; + int ret; + + if (dapm->dev != codec_dai->dev) + return 0; + + switch (level) { + case SND_SOC_BIAS_STANDBY: + ret = snd_soc_dai_set_sysclk(codec_dai, WM8994_SYSCLK_MCLK2, + 32768, SND_SOC_CLOCK_IN); + if (ret < 0) { + pr_err("Failed to switch away from FLL: %d\n", ret); + return ret; + } + + ret = snd_soc_dai_set_pll(codec_dai, WM8994_FLL1, + 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 littlemill_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 *codec_dai = rtd->codec_dai; + int ret; + + sample_rate = params_rate(params); + + ret = snd_soc_dai_set_pll(codec_dai, WM8994_FLL1, + WM8994_FLL_SRC_MCLK2, 32768, + sample_rate * 512); + if (ret < 0) { + pr_err("Failed to start FLL: %d\n", ret); + return ret; + } + + ret = snd_soc_dai_set_sysclk(codec_dai, + WM8994_SYSCLK_FLL1, + sample_rate * 512, + SND_SOC_CLOCK_IN); + if (ret < 0) { + pr_err("Failed to set SYSCLK: %d\n", ret); + return ret; + } + + return 0; +} + +static struct snd_soc_ops littlemill_ops = { + .hw_params = littlemill_hw_params, +}; + +static struct snd_soc_dai_link littlemill_dai[] = { + { + .name = "CPU", + .stream_name = "CPU", + .cpu_dai_name = "samsung-i2s.0", + .codec_dai_name = "wm8994-aif1", + .platform_name = "samsung-audio", + .codec_name = "wm8994-codec", + .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF + | SND_SOC_DAIFMT_CBM_CFM, + .ops = &littlemill_ops, + }, +}; + +static struct snd_soc_dapm_widget widgets[] = { + SND_SOC_DAPM_HP("Headphone", NULL), + + SND_SOC_DAPM_MIC("AMIC", NULL), + SND_SOC_DAPM_MIC("DMIC", NULL), +}; + +static struct snd_soc_dapm_route audio_paths[] = { + { "Headphone", NULL, "HPOUT1L" }, + { "Headphone", NULL, "HPOUT1R" }, + + { "AMIC", NULL, "MICBIAS1" }, /* Default for AMICBIAS jumper */ + { "IN1LN", NULL, "AMIC" }, + + { "DMIC", NULL, "MICBIAS2" }, /* Default for DMICBIAS jumper */ + { "DMIC1DAT", NULL, "DMIC" }, + { "DMIC2DAT", NULL, "DMIC" }, +}; + +static struct snd_soc_jack littlemill_headset; + +static int littlemill_late_probe(struct snd_soc_card *card) +{ + struct snd_soc_codec *codec = card->rtd[0].codec; + struct snd_soc_dai *codec_dai = card->rtd[0].codec_dai; + int ret; + + ret = snd_soc_dai_set_sysclk(codec_dai, WM8994_SYSCLK_MCLK2, + 32768, SND_SOC_CLOCK_IN); + if (ret < 0) + return ret; + + ret = snd_soc_jack_new(codec, "Headset", + SND_JACK_HEADSET | SND_JACK_MECHANICAL | + SND_JACK_BTN_0 | SND_JACK_BTN_1 | + SND_JACK_BTN_2 | SND_JACK_BTN_3 | + SND_JACK_BTN_4 | SND_JACK_BTN_5, + &littlemill_headset); + if (ret) + return ret; + + /* This will check device compatibility itself */ + wm8958_mic_detect(codec, &littlemill_headset, NULL, NULL); + + return 0; +} + +static struct snd_soc_card littlemill = { + .name = "Littlemill", + .owner = THIS_MODULE, + .dai_link = littlemill_dai, + .num_links = ARRAY_SIZE(littlemill_dai), + + .set_bias_level = littlemill_set_bias_level, + .set_bias_level_post = littlemill_set_bias_level_post, + + .dapm_widgets = widgets, + .num_dapm_widgets = ARRAY_SIZE(widgets), + .dapm_routes = audio_paths, + .num_dapm_routes = ARRAY_SIZE(audio_paths), + + .late_probe = littlemill_late_probe, +}; + +static __devinit int littlemill_probe(struct platform_device *pdev) +{ + struct snd_soc_card *card = &littlemill; + int ret; + + card->dev = &pdev->dev; + + ret = snd_soc_register_card(card); + if (ret) { + dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n", + ret); + return ret; + } + + return 0; +} + +static int __devexit littlemill_remove(struct platform_device *pdev) +{ + struct snd_soc_card *card = platform_get_drvdata(pdev); + + snd_soc_unregister_card(card); + + return 0; +} + +static struct platform_driver littlemill_driver = { + .driver = { + .name = "littlemill", + .owner = THIS_MODULE, + .pm = &snd_soc_pm_ops, + }, + .probe = littlemill_probe, + .remove = __devexit_p(littlemill_remove), +}; + +module_platform_driver(littlemill_driver); + +MODULE_DESCRIPTION("Littlemill audio support"); +MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>"); +MODULE_LICENSE("GPL"); +MODULE_ALIAS("platform:littlemill"); diff --git a/sound/soc/samsung/ln2440sbc_alc650.c b/sound/soc/samsung/ln2440sbc_alc650.c index cde38b8e9dc..69c4a5934a4 100644 --- a/sound/soc/samsung/ln2440sbc_alc650.c +++ b/sound/soc/samsung/ln2440sbc_alc650.c @@ -34,6 +34,7 @@ static struct snd_soc_dai_link ln2440sbc_dai[] = { static struct snd_soc_card ln2440sbc = { .name = "LN2440SBC", + .owner = THIS_MODULE, .dai_link = ln2440sbc_dai, .num_links = ARRAY_SIZE(ln2440sbc_dai), }; diff --git a/sound/soc/samsung/lowland.c b/sound/soc/samsung/lowland.c new file mode 100644 index 00000000000..4adff934f77 --- /dev/null +++ b/sound/soc/samsung/lowland.c @@ -0,0 +1,237 @@ +/* + * Lowland audio support + * + * Copyright 2011 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/wm5100.h" +#include "../codecs/wm9081.h" + +#define MCLK1_RATE (44100 * 512) +#define CLKOUT_RATE (44100 * 256) + +static int lowland_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 ret; + + ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_I2S + | SND_SOC_DAIFMT_NB_NF + | SND_SOC_DAIFMT_CBM_CFM); + if (ret < 0) + return ret; + + ret = snd_soc_dai_set_fmt(cpu_dai, SND_SOC_DAIFMT_I2S + | SND_SOC_DAIFMT_NB_NF + | SND_SOC_DAIFMT_CBM_CFM); + if (ret < 0) + return ret; + + return 0; +} + +static struct snd_soc_ops lowland_ops = { + .hw_params = lowland_hw_params, +}; + +static struct snd_soc_jack lowland_headset; + +/* Headset jack detection DAPM pins */ +static struct snd_soc_jack_pin lowland_headset_pins[] = { + { + .pin = "Headphone", + .mask = SND_JACK_HEADPHONE | SND_JACK_LINEOUT, + }, + { + .pin = "Headset Mic", + .mask = SND_JACK_MICROPHONE, + }, +}; + +static int lowland_wm5100_init(struct snd_soc_pcm_runtime *rtd) +{ + struct snd_soc_codec *codec = rtd->codec; + int ret; + + ret = snd_soc_codec_set_sysclk(codec, WM5100_CLK_SYSCLK, + WM5100_CLKSRC_MCLK1, MCLK1_RATE, + SND_SOC_CLOCK_IN); + if (ret < 0) { + pr_err("Failed to set SYSCLK clock source: %d\n", ret); + return ret; + } + + /* Clock OPCLK, used by the other audio components. */ + ret = snd_soc_codec_set_sysclk(codec, WM5100_CLK_OPCLK, 0, + CLKOUT_RATE, 0); + if (ret < 0) { + pr_err("Failed to set OPCLK rate: %d\n", ret); + return ret; + } + + ret = snd_soc_jack_new(codec, "Headset", + SND_JACK_LINEOUT | SND_JACK_HEADSET | + SND_JACK_BTN_0, + &lowland_headset); + if (ret) + return ret; + + ret = snd_soc_jack_add_pins(&lowland_headset, + ARRAY_SIZE(lowland_headset_pins), + lowland_headset_pins); + if (ret) + return ret; + + wm5100_detect(codec, &lowland_headset); + + return 0; +} + +static struct snd_soc_dai_link lowland_dai[] = { + { + .name = "CPU", + .stream_name = "CPU", + .cpu_dai_name = "samsung-i2s.0", + .codec_dai_name = "wm5100-aif1", + .platform_name = "samsung-audio", + .codec_name = "wm5100.1-001a", + .ops = &lowland_ops, + .init = lowland_wm5100_init, + }, + { + .name = "Baseband", + .stream_name = "Baseband", + .cpu_dai_name = "wm5100-aif2", + .codec_dai_name = "wm1250-ev1", + .codec_name = "wm1250-ev1.1-0027", + .ops = &lowland_ops, + .ignore_suspend = 1, + }, +}; + +static int lowland_wm9081_init(struct snd_soc_dapm_context *dapm) +{ + snd_soc_dapm_nc_pin(dapm, "LINEOUT"); + + /* At any time the WM9081 is active it will have this clock */ + return snd_soc_codec_set_sysclk(dapm->codec, WM9081_SYSCLK_MCLK, 0, + CLKOUT_RATE, 0); +} + +static struct snd_soc_aux_dev lowland_aux_dev[] = { + { + .name = "wm9081", + .codec_name = "wm9081.1-006c", + .init = lowland_wm9081_init, + }, +}; + +static struct snd_soc_codec_conf lowland_codec_conf[] = { + { + .dev_name = "wm9081.1-006c", + .name_prefix = "Sub", + }, +}; + +static const struct snd_kcontrol_new controls[] = { + SOC_DAPM_PIN_SWITCH("Main Speaker"), + SOC_DAPM_PIN_SWITCH("Main DMIC"), + SOC_DAPM_PIN_SWITCH("Main AMIC"), + SOC_DAPM_PIN_SWITCH("WM1250 Input"), + SOC_DAPM_PIN_SWITCH("WM1250 Output"), + SOC_DAPM_PIN_SWITCH("Headphone"), +}; + +static struct snd_soc_dapm_widget widgets[] = { + SND_SOC_DAPM_HP("Headphone", NULL), + SND_SOC_DAPM_MIC("Headset Mic", NULL), + + SND_SOC_DAPM_SPK("Main Speaker", NULL), + + SND_SOC_DAPM_MIC("Main AMIC", NULL), + SND_SOC_DAPM_MIC("Main DMIC", NULL), +}; + +static struct snd_soc_dapm_route audio_paths[] = { + { "Sub IN1", NULL, "HPOUT2L" }, + { "Sub IN2", NULL, "HPOUT2R" }, + + { "Main Speaker", NULL, "Sub SPKN" }, + { "Main Speaker", NULL, "Sub SPKP" }, + { "Main Speaker", NULL, "SPKDAT1" }, +}; + +static struct snd_soc_card lowland = { + .name = "Lowland", + .owner = THIS_MODULE, + .dai_link = lowland_dai, + .num_links = ARRAY_SIZE(lowland_dai), + .aux_dev = lowland_aux_dev, + .num_aux_devs = ARRAY_SIZE(lowland_aux_dev), + .codec_conf = lowland_codec_conf, + .num_configs = ARRAY_SIZE(lowland_codec_conf), + + .controls = controls, + .num_controls = ARRAY_SIZE(controls), + .dapm_widgets = widgets, + .num_dapm_widgets = ARRAY_SIZE(widgets), + .dapm_routes = audio_paths, + .num_dapm_routes = ARRAY_SIZE(audio_paths), +}; + +static __devinit int lowland_probe(struct platform_device *pdev) +{ + struct snd_soc_card *card = &lowland; + int ret; + + card->dev = &pdev->dev; + + ret = snd_soc_register_card(card); + if (ret) { + dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n", + ret); + return ret; + } + + return 0; +} + +static int __devexit lowland_remove(struct platform_device *pdev) +{ + struct snd_soc_card *card = platform_get_drvdata(pdev); + + snd_soc_unregister_card(card); + + return 0; +} + +static struct platform_driver lowland_driver = { + .driver = { + .name = "lowland", + .owner = THIS_MODULE, + .pm = &snd_soc_pm_ops, + }, |