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author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-09-11 09:19:35 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-09-11 09:19:35 -0700 |
commit | a9c86d42599519f3d83b5f46bdab25046fe47b84 (patch) | |
tree | 9b269e3162e5cc0c1a8dfc3349303c902718a9a9 /sound/soc/codecs/wm8731.c | |
parent | a12e4d304ce701844c639541d90df86e165d03f9 (diff) | |
parent | 1110afbe728838ac7ce973c37af9e11385dbaef9 (diff) | |
download | op-kernel-dev-a9c86d42599519f3d83b5f46bdab25046fe47b84.zip op-kernel-dev-a9c86d42599519f3d83b5f46bdab25046fe47b84.tar.gz |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6: (377 commits)
ASoC: au1x: PSC-AC97 bugfixes
ALSA: dummy - Increase MAX_PCM_SUBSTREAMS to 128
ALSA: dummy - Add debug proc file
ALSA: Add const prefix to proc helper functions
ALSA: Re-export snd_pcm_format_name() function
ALSA: hda - Use auto model for HP laptops with ALC268 codec
ALSA: cs46xx - Fix minimum period size
ASoC: Fix WM835x Out4 capture enumeration
ALSA: Remove unneeded ifdef from sound/core.h
ALSA: Remove struct snd_monitor_file from public sound/core.h
ASoC: Remove unuused hw_read_t
sound: oxygen: work around MCE when changing volume
ALSA: dummy - Fake buffer allocations
ALSA: hda/realtek: Added support for CLEVO M540R subsystem, 6 channel + digital
ASoC: fix pxa2xx-ac97.c breakage
ALSA: dummy - Fix the timer calculation in systimer mode
ALSA: dummy - Add more description
ALSA: dummy - Better jiffies handling
ALSA: dummy - Support high-res timer mode
ALSA: Release v1.0.21
...
Diffstat (limited to 'sound/soc/codecs/wm8731.c')
-rw-r--r-- | sound/soc/codecs/wm8731.c | 218 |
1 files changed, 97 insertions, 121 deletions
diff --git a/sound/soc/codecs/wm8731.c b/sound/soc/codecs/wm8731.c index 7a20587..d3fd4f2 100644 --- a/sound/soc/codecs/wm8731.c +++ b/sound/soc/codecs/wm8731.c @@ -26,6 +26,7 @@ #include <sound/soc.h> #include <sound/soc-dapm.h> #include <sound/initval.h> +#include <sound/tlv.h> #include "wm8731.h" @@ -39,9 +40,6 @@ struct wm8731_priv { unsigned int sysclk; }; -#ifdef CONFIG_SPI_MASTER -static int wm8731_spi_write(struct spi_device *spi, const char *data, int len); -#endif /* * wm8731 register cache @@ -50,60 +48,12 @@ static int wm8731_spi_write(struct spi_device *spi, const char *data, int len); * There is no point in caching the reset register */ static const u16 wm8731_reg[WM8731_CACHEREGNUM] = { - 0x0097, 0x0097, 0x0079, 0x0079, - 0x000a, 0x0008, 0x009f, 0x000a, - 0x0000, 0x0000 + 0x0097, 0x0097, 0x0079, 0x0079, + 0x000a, 0x0008, 0x009f, 0x000a, + 0x0000, 0x0000 }; -/* - * read wm8731 register cache - */ -static inline unsigned int wm8731_read_reg_cache(struct snd_soc_codec *codec, - unsigned int reg) -{ - u16 *cache = codec->reg_cache; - if (reg == WM8731_RESET) - return 0; - if (reg >= WM8731_CACHEREGNUM) - return -1; - return cache[reg]; -} - -/* - * write wm8731 register cache - */ -static inline void wm8731_write_reg_cache(struct snd_soc_codec *codec, - u16 reg, unsigned int value) -{ - u16 *cache = codec->reg_cache; - if (reg >= WM8731_CACHEREGNUM) - return; - cache[reg] = value; -} - -/* - * write to the WM8731 register space - */ -static int wm8731_write(struct snd_soc_codec *codec, unsigned int reg, - unsigned int value) -{ - u8 data[2]; - - /* data is - * D15..D9 WM8731 register offset - * D8...D0 register data - */ - data[0] = (reg << 1) | ((value >> 8) & 0x0001); - data[1] = value & 0x00ff; - - wm8731_write_reg_cache(codec, reg, value); - if (codec->hw_write(codec->control_data, data, 2) == 2) - return 0; - else - return -EIO; -} - -#define wm8731_reset(c) wm8731_write(c, WM8731_RESET, 0) +#define wm8731_reset(c) snd_soc_write(c, WM8731_RESET, 0) static const char *wm8731_input_select[] = {"Line In", "Mic"}; static const char *wm8731_deemph[] = {"None", "32Khz", "44.1Khz", "48Khz"}; @@ -113,20 +63,26 @@ static const struct soc_enum wm8731_enum[] = { SOC_ENUM_SINGLE(WM8731_APDIGI, 1, 4, wm8731_deemph), }; +static const DECLARE_TLV_DB_SCALE(in_tlv, -3450, 150, 0); +static const DECLARE_TLV_DB_SCALE(sidetone_tlv, -1500, 300, 0); +static const DECLARE_TLV_DB_SCALE(out_tlv, -12100, 100, 1); + static const struct snd_kcontrol_new wm8731_snd_controls[] = { -SOC_DOUBLE_R("Master Playback Volume", WM8731_LOUT1V, WM8731_ROUT1V, - 0, 127, 0), +SOC_DOUBLE_R_TLV("Master Playback Volume", WM8731_LOUT1V, WM8731_ROUT1V, + 0, 127, 0, out_tlv), SOC_DOUBLE_R("Master Playback ZC Switch", WM8731_LOUT1V, WM8731_ROUT1V, 7, 1, 0), -SOC_DOUBLE_R("Capture Volume", WM8731_LINVOL, WM8731_RINVOL, 0, 31, 0), +SOC_DOUBLE_R_TLV("Capture Volume", WM8731_LINVOL, WM8731_RINVOL, 0, 31, 0, + in_tlv), SOC_DOUBLE_R("Line Capture Switch", WM8731_LINVOL, WM8731_RINVOL, 7, 1, 1), SOC_SINGLE("Mic Boost (+20dB)", WM8731_APANA, 0, 1, 0), -SOC_SINGLE("Capture Mic Switch", WM8731_APANA, 1, 1, 1), +SOC_SINGLE("Mic Capture Switch", WM8731_APANA, 1, 1, 1), -SOC_SINGLE("Sidetone Playback Volume", WM8731_APANA, 6, 3, 1), +SOC_SINGLE_TLV("Sidetone Playback Volume", WM8731_APANA, 6, 3, 1, + sidetone_tlv), SOC_SINGLE("ADC High Pass Filter Switch", WM8731_APDIGI, 0, 1, 1), SOC_SINGLE("Store DC Offset Switch", WM8731_APDIGI, 4, 1, 0), @@ -260,12 +216,12 @@ static int wm8731_hw_params(struct snd_pcm_substream *substream, struct snd_soc_device *socdev = rtd->socdev; struct snd_soc_codec *codec = socdev->card->codec; struct wm8731_priv *wm8731 = codec->private_data; - u16 iface = wm8731_read_reg_cache(codec, WM8731_IFACE) & 0xfff3; + u16 iface = snd_soc_read(codec, WM8731_IFACE) & 0xfff3; int i = get_coeff(wm8731->sysclk, params_rate(params)); u16 srate = (coeff_div[i].sr << 2) | (coeff_div[i].bosr << 1) | coeff_div[i].usb; - wm8731_write(codec, WM8731_SRATE, srate); + snd_soc_write(codec, WM8731_SRATE, srate); /* bit size */ switch (params_format(params)) { @@ -279,7 +235,7 @@ static int wm8731_hw_params(struct snd_pcm_substream *substream, break; } - wm8731_write(codec, WM8731_IFACE, iface); + snd_soc_write(codec, WM8731_IFACE, iface); return 0; } @@ -291,7 +247,7 @@ static int wm8731_pcm_prepare(struct snd_pcm_substream *substream, struct snd_soc_codec *codec = socdev->card->codec; /* set active */ - wm8731_write(codec, WM8731_ACTIVE, 0x0001); + snd_soc_write(codec, WM8731_ACTIVE, 0x0001); return 0; } @@ -306,19 +262,19 @@ static void wm8731_shutdown(struct snd_pcm_substream *substream, /* deactivate */ if (!codec->active) { udelay(50); - wm8731_write(codec, WM8731_ACTIVE, 0x0); + snd_soc_write(codec, WM8731_ACTIVE, 0x0); } } static int wm8731_mute(struct snd_soc_dai *dai, int mute) { struct snd_soc_codec *codec = dai->codec; - u16 mute_reg = wm8731_read_reg_cache(codec, WM8731_APDIGI) & 0xfff7; + u16 mute_reg = snd_soc_read(codec, WM8731_APDIGI) & 0xfff7; if (mute) - wm8731_write(codec, WM8731_APDIGI, mute_reg | 0x8); + snd_soc_write(codec, WM8731_APDIGI, mute_reg | 0x8); else - wm8731_write(codec, WM8731_APDIGI, mute_reg); + snd_soc_write(codec, WM8731_APDIGI, mute_reg); return 0; } @@ -396,7 +352,7 @@ static int wm8731_set_dai_fmt(struct snd_soc_dai *codec_dai, } /* set iface */ - wm8731_write(codec, WM8731_IFACE, iface); + snd_soc_write(codec, WM8731_IFACE, iface); return 0; } @@ -412,12 +368,12 @@ static int wm8731_set_bias_level(struct snd_soc_codec *codec, break; case SND_SOC_BIAS_STANDBY: /* Clear PWROFF, gate CLKOUT, everything else as-is */ - reg = wm8731_read_reg_cache(codec, WM8731_PWR) & 0xff7f; - wm8731_write(codec, WM8731_PWR, reg | 0x0040); + reg = snd_soc_read(codec, WM8731_PWR) & 0xff7f; + snd_soc_write(codec, WM8731_PWR, reg | 0x0040); break; case SND_SOC_BIAS_OFF: - wm8731_write(codec, WM8731_ACTIVE, 0x0); - wm8731_write(codec, WM8731_PWR, 0xffff); + snd_soc_write(codec, WM8731_ACTIVE, 0x0); + snd_soc_write(codec, WM8731_PWR, 0xffff); break; } codec->bias_level = level; @@ -457,15 +413,17 @@ struct snd_soc_dai wm8731_dai = { .rates = WM8731_RATES, .formats = WM8731_FORMATS,}, .ops = &wm8731_dai_ops, + .symmetric_rates = 1, }; EXPORT_SYMBOL_GPL(wm8731_dai); +#ifdef CONFIG_PM static int wm8731_suspend(struct platform_device *pdev, pm_message_t state) { struct snd_soc_device *socdev = platform_get_drvdata(pdev); struct snd_soc_codec *codec = socdev->card->codec; - wm8731_write(codec, WM8731_ACTIVE, 0x0); + snd_soc_write(codec, WM8731_ACTIVE, 0x0); wm8731_set_bias_level(codec, SND_SOC_BIAS_OFF); return 0; } @@ -488,6 +446,10 @@ static int wm8731_resume(struct platform_device *pdev) wm8731_set_bias_level(codec, codec->suspend_bias_level); return 0; } +#else +#define wm8731_suspend NULL +#define wm8731_resume NULL +#endif static int wm8731_probe(struct platform_device *pdev) { @@ -547,15 +509,16 @@ struct snd_soc_codec_device soc_codec_dev_wm8731 = { }; EXPORT_SYMBOL_GPL(soc_codec_dev_wm8731); -static int wm8731_register(struct wm8731_priv *wm8731) +static int wm8731_register(struct wm8731_priv *wm8731, + enum snd_soc_control_type control) { int ret; struct snd_soc_codec *codec = &wm8731->codec; - u16 reg; if (wm8731_codec) { dev_err(codec->dev, "Another WM8731 is registered\n"); - return -EINVAL; + ret = -EINVAL; + goto err; } mutex_init(&codec->mutex); @@ -565,8 +528,6 @@ static int wm8731_register(struct wm8731_priv *wm8731) codec->private_data = wm8731; codec->name = "WM8731"; codec->owner = THIS_MODULE; - codec->read = wm8731_read_reg_cache; - codec->write = wm8731_write; codec->bias_level = SND_SOC_BIAS_OFF; codec->set_bias_level = wm8731_set_bias_level; codec->dai = &wm8731_dai; @@ -576,10 +537,16 @@ static int wm8731_register(struct wm8731_priv *wm8731) memcpy(codec->reg_cache, wm8731_reg, sizeof(wm8731_reg)); + ret = snd_soc_codec_set_cache_io(codec, 7, 9, control); + if (ret < 0) { + dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret); + goto err; + } + ret = wm8731_reset(codec); if (ret < 0) { - dev_err(codec->dev, "Failed to issue reset\n"); - return ret; + dev_err(codec->dev, "Failed to issue reset: %d\n", ret); + goto err; } wm8731_dai.dev = codec->dev; @@ -587,35 +554,36 @@ static int wm8731_register(struct wm8731_priv *wm8731) wm8731_set_bias_level(codec, SND_SOC_BIAS_STANDBY); /* Latch the update bits */ - reg = wm8731_read_reg_cache(codec, WM8731_LOUT1V); - wm8731_write(codec, WM8731_LOUT1V, reg & ~0x0100); - reg = wm8731_read_reg_cache(codec, WM8731_ROUT1V); - wm8731_write(codec, WM8731_ROUT1V, reg & ~0x0100); - reg = wm8731_read_reg_cache(codec, WM8731_LINVOL); - wm8731_write(codec, WM8731_LINVOL, reg & ~0x0100); - reg = wm8731_read_reg_cache(codec, WM8731_RINVOL); - wm8731_write(codec, WM8731_RINVOL, reg & ~0x0100); + snd_soc_update_bits(codec, WM8731_LOUT1V, 0x100, 0); + snd_soc_update_bits(codec, WM8731_ROUT1V, 0x100, 0); + snd_soc_update_bits(codec, WM8731_LINVOL, 0x100, 0); + snd_soc_update_bits(codec, WM8731_RINVOL, 0x100, 0); /* Disable bypass path by default */ - reg = wm8731_read_reg_cache(codec, WM8731_APANA); - wm8731_write(codec, WM8731_APANA, reg & ~0x4); + snd_soc_update_bits(codec, WM8731_APANA, 0x4, 0); wm8731_codec = codec; ret = snd_soc_register_codec(codec); if (ret != 0) { dev_err(codec->dev, "Failed to register codec: %d\n", ret); - return ret; + goto err; } ret = snd_soc_register_dai(&wm8731_dai); if (ret != 0) { dev_err(codec->dev, "Failed to register DAI: %d\n", ret); snd_soc_unregister_codec(codec); - return ret; + goto err_codec; } return 0; + +err_codec: + snd_soc_unregister_codec(codec); +err: + kfree(wm8731); + return ret; } static void wm8731_unregister(struct wm8731_priv *wm8731) @@ -628,30 +596,6 @@ static void wm8731_unregister(struct wm8731_priv *wm8731) } #if defined(CONFIG_SPI_MASTER) -static int wm8731_spi_write(struct spi_device *spi, const char *data, int len) -{ - struct spi_transfer t; - struct spi_message m; - u8 msg[2]; - - if (len <= 0) - return 0; - - msg[0] = data[0]; - msg[1] = data[1]; - - spi_message_init(&m); - memset(&t, 0, (sizeof t)); - - t.tx_buf = &msg[0]; - t.len = len; - - spi_message_add_tail(&t, &m); - spi_sync(spi, &m); - - return len; -} - static int __devinit wm8731_spi_probe(struct spi_device *spi) { struct snd_soc_codec *codec; @@ -663,12 +607,11 @@ static int __devinit wm8731_spi_probe(struct spi_device *spi) codec = &wm8731->codec; codec->control_data = spi; - codec->hw_write = (hw_write_t)wm8731_spi_write; codec->dev = &spi->dev; dev_set_drvdata(&spi->dev, wm8731); - return wm8731_register(wm8731); + return wm8731_register(wm8731, SND_SOC_SPI); } static int __devexit wm8731_spi_remove(struct spi_device *spi) @@ -680,6 +623,21 @@ static int __devexit wm8731_spi_remove(struct spi_device *spi) return 0; } +#ifdef CONFIG_PM +static int wm8731_spi_suspend(struct spi_device *spi, pm_message_t msg) +{ + return snd_soc_suspend_device(&spi->dev); +} + +static int wm8731_spi_resume(struct spi_device *spi) +{ + return snd_soc_resume_device(&spi->dev); +} +#else +#define wm8731_spi_suspend NULL +#define wm8731_spi_resume NULL +#endif + static struct spi_driver wm8731_spi_driver = { .driver = { .name = "wm8731", @@ -687,6 +645,8 @@ static struct spi_driver wm8731_spi_driver = { .owner = THIS_MODULE, }, .probe = wm8731_spi_probe, + .suspend = wm8731_spi_suspend, + .resume = wm8731_spi_resume, .remove = __devexit_p(wm8731_spi_remove), }; #endif /* CONFIG_SPI_MASTER */ @@ -703,14 +663,13 @@ static __devinit int wm8731_i2c_probe(struct i2c_client *i2c, return -ENOMEM; codec = &wm8731->codec; - codec->hw_write = (hw_write_t)i2c_master_send; i2c_set_clientdata(i2c, wm8731); codec->control_data = i2c; codec->dev = &i2c->dev; - return wm8731_register(wm8731); + return wm8731_register(wm8731, SND_SOC_I2C); } static __devexit int wm8731_i2c_remove(struct i2c_client *client) @@ -720,6 +679,21 @@ static __devexit int wm8731_i2c_remove(struct i2c_client *client) return 0; } +#ifdef CONFIG_PM +static int wm8731_i2c_suspend(struct i2c_client *i2c, pm_message_t msg) +{ + return snd_soc_suspend_device(&i2c->dev); +} + +static int wm8731_i2c_resume(struct i2c_client *i2c) +{ + return snd_soc_resume_device(&i2c->dev); +} +#else +#define wm8731_i2c_suspend NULL +#define wm8731_i2c_resume NULL +#endif + static const struct i2c_device_id wm8731_i2c_id[] = { { "wm8731", 0 }, { } @@ -733,6 +707,8 @@ static struct i2c_driver wm8731_i2c_driver = { }, .probe = wm8731_i2c_probe, .remove = __devexit_p(wm8731_i2c_remove), + .suspend = wm8731_i2c_suspend, + .resume = wm8731_i2c_resume, .id_table = wm8731_i2c_id, }; #endif |