diff options
author | Takashi Iwai <tiwai@suse.de> | 2009-09-10 17:32:40 +0400 |
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committer | Takashi Iwai <tiwai@suse.de> | 2009-09-10 17:32:40 +0400 |
commit | e0b3032bcdf1419d97de636d5fb1c9469da75776 (patch) | |
tree | 30252bef7afdad1f789b215c99909104a1d5cfa1 /sound/soc/codecs/wm8988.c | |
parent | 45fae5c78d873b10c66dfc04db6701e05c493791 (diff) | |
parent | cdc65fbe18aef15e92d2ebb410a189fbf956fb06 (diff) | |
download | linux-e0b3032bcdf1419d97de636d5fb1c9469da75776.tar.xz |
Merge branch 'topic/asoc' into for-linus
* topic/asoc: (226 commits)
ASoC: au1x: PSC-AC97 bugfixes
ASoC: Fix WM835x Out4 capture enumeration
ASoC: Remove unuused hw_read_t
ASoC: fix pxa2xx-ac97.c breakage
ASoC: Fully specify DC servo bits to update in wm_hubs
ASoC: Debugged improper setting of PLL fields in WM8580 driver
ASoC: new board driver to connect bfin-5xx with ad1836 codec
ASoC: OMAP: Add functionality to set CLKR and FSR sources in McBSP DAI
ASoC: davinci: i2c device creation moved into board files
ASoC: Don't reconfigure WM8350 FLL if not needed
ASoC: Fix s3c-i2s-v2 build
ASoC: Make platform data optional for TLV320AIC3x
ASoC: Add S3C24xx dependencies for Simtec machines
ASoC: SDP3430: Fix TWL GPIO6 pin mux request
ASoC: S3C platform: Fix s3c2410_dma_started() called at improper time
ARM: OMAP: McBSP: Merge two functions into omap_mcbsp_start/_stop
ASoC: OMAP: Fix setup of XCCR and RCCR registers in McBSP DAI
OMAP: McBSP: Use textual values in DMA operating mode sysfs files
ARM: OMAP: DMA: Add support for DMA channel self linking on OMAP1510
ASoC: Select core DMA when building for S3C64xx
...
Diffstat (limited to 'sound/soc/codecs/wm8988.c')
-rw-r--r-- | sound/soc/codecs/wm8988.c | 180 |
1 files changed, 76 insertions, 104 deletions
diff --git a/sound/soc/codecs/wm8988.c b/sound/soc/codecs/wm8988.c index 8c0fdf84aac3..3f530f8a972a 100644 --- a/sound/soc/codecs/wm8988.c +++ b/sound/soc/codecs/wm8988.c @@ -57,50 +57,7 @@ struct wm8988_priv { }; -/* - * read wm8988 register cache - */ -static inline unsigned int wm8988_read_reg_cache(struct snd_soc_codec *codec, - unsigned int reg) -{ - u16 *cache = codec->reg_cache; - if (reg > WM8988_NUM_REG) - return -1; - return cache[reg]; -} - -/* - * write wm8988 register cache - */ -static inline void wm8988_write_reg_cache(struct snd_soc_codec *codec, - unsigned int reg, unsigned int value) -{ - u16 *cache = codec->reg_cache; - if (reg > WM8988_NUM_REG) - return; - cache[reg] = value; -} - -static int wm8988_write(struct snd_soc_codec *codec, unsigned int reg, - unsigned int value) -{ - u8 data[2]; - - /* data is - * D15..D9 WM8753 register offset - * D8...D0 register data - */ - data[0] = (reg << 1) | ((value >> 8) & 0x0001); - data[1] = value & 0x00ff; - - wm8988_write_reg_cache(codec, reg, value); - if (codec->hw_write(codec->control_data, data, 2) == 2) - return 0; - else - return -EIO; -} - -#define wm8988_reset(c) wm8988_write(c, WM8988_RESET, 0) +#define wm8988_reset(c) snd_soc_write(c, WM8988_RESET, 0) /* * WM8988 Controls @@ -226,15 +183,15 @@ static int wm8988_lrc_control(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { struct snd_soc_codec *codec = w->codec; - u16 adctl2 = wm8988_read_reg_cache(codec, WM8988_ADCTL2); + u16 adctl2 = snd_soc_read(codec, WM8988_ADCTL2); /* Use the DAC to gate LRC if active, otherwise use ADC */ - if (wm8988_read_reg_cache(codec, WM8988_PWR2) & 0x180) + if (snd_soc_read(codec, WM8988_PWR2) & 0x180) adctl2 &= ~0x4; else adctl2 |= 0x4; - return wm8988_write(codec, WM8988_ADCTL2, adctl2); + return snd_soc_write(codec, WM8988_ADCTL2, adctl2); } static const char *wm8988_line_texts[] = { @@ -619,7 +576,7 @@ static int wm8988_set_dai_fmt(struct snd_soc_dai *codec_dai, return -EINVAL; } - wm8988_write(codec, WM8988_IFACE, iface); + snd_soc_write(codec, WM8988_IFACE, iface); return 0; } @@ -653,8 +610,8 @@ static int wm8988_pcm_hw_params(struct snd_pcm_substream *substream, struct snd_soc_device *socdev = rtd->socdev; struct snd_soc_codec *codec = socdev->card->codec; struct wm8988_priv *wm8988 = codec->private_data; - u16 iface = wm8988_read_reg_cache(codec, WM8988_IFACE) & 0x1f3; - u16 srate = wm8988_read_reg_cache(codec, WM8988_SRATE) & 0x180; + u16 iface = snd_soc_read(codec, WM8988_IFACE) & 0x1f3; + u16 srate = snd_soc_read(codec, WM8988_SRATE) & 0x180; int coeff; coeff = get_coeff(wm8988->sysclk, params_rate(params)); @@ -685,9 +642,9 @@ static int wm8988_pcm_hw_params(struct snd_pcm_substream *substream, } /* set iface & srate */ - wm8988_write(codec, WM8988_IFACE, iface); + snd_soc_write(codec, WM8988_IFACE, iface); if (coeff >= 0) - wm8988_write(codec, WM8988_SRATE, srate | + snd_soc_write(codec, WM8988_SRATE, srate | (coeff_div[coeff].sr << 1) | coeff_div[coeff].usb); return 0; @@ -696,19 +653,19 @@ static int wm8988_pcm_hw_params(struct snd_pcm_substream *substream, static int wm8988_mute(struct snd_soc_dai *dai, int mute) { struct snd_soc_codec *codec = dai->codec; - u16 mute_reg = wm8988_read_reg_cache(codec, WM8988_ADCDAC) & 0xfff7; + u16 mute_reg = snd_soc_read(codec, WM8988_ADCDAC) & 0xfff7; if (mute) - wm8988_write(codec, WM8988_ADCDAC, mute_reg | 0x8); + snd_soc_write(codec, WM8988_ADCDAC, mute_reg | 0x8); else - wm8988_write(codec, WM8988_ADCDAC, mute_reg); + snd_soc_write(codec, WM8988_ADCDAC, mute_reg); return 0; } static int wm8988_set_bias_level(struct snd_soc_codec *codec, enum snd_soc_bias_level level) { - u16 pwr_reg = wm8988_read_reg_cache(codec, WM8988_PWR1) & ~0x1c1; + u16 pwr_reg = snd_soc_read(codec, WM8988_PWR1) & ~0x1c1; switch (level) { case SND_SOC_BIAS_ON: @@ -716,24 +673,24 @@ static int wm8988_set_bias_level(struct snd_soc_codec *codec, case SND_SOC_BIAS_PREPARE: /* VREF, VMID=2x50k, digital enabled */ - wm8988_write(codec, WM8988_PWR1, pwr_reg | 0x00c0); + snd_soc_write(codec, WM8988_PWR1, pwr_reg | 0x00c0); break; case SND_SOC_BIAS_STANDBY: if (codec->bias_level == SND_SOC_BIAS_OFF) { /* VREF, VMID=2x5k */ - wm8988_write(codec, WM8988_PWR1, pwr_reg | 0x1c1); + snd_soc_write(codec, WM8988_PWR1, pwr_reg | 0x1c1); /* Charge caps */ msleep(100); } /* VREF, VMID=2*500k, digital stopped */ - wm8988_write(codec, WM8988_PWR1, pwr_reg | 0x0141); + snd_soc_write(codec, WM8988_PWR1, pwr_reg | 0x0141); break; case SND_SOC_BIAS_OFF: - wm8988_write(codec, WM8988_PWR1, 0x0000); + snd_soc_write(codec, WM8988_PWR1, 0x0000); break; } codec->bias_level = level; @@ -868,7 +825,8 @@ struct snd_soc_codec_device soc_codec_dev_wm8988 = { }; EXPORT_SYMBOL_GPL(soc_codec_dev_wm8988); -static int wm8988_register(struct wm8988_priv *wm8988) +static int wm8988_register(struct wm8988_priv *wm8988, + enum snd_soc_control_type control) { struct snd_soc_codec *codec = &wm8988->codec; int ret; @@ -887,8 +845,6 @@ static int wm8988_register(struct wm8988_priv *wm8988) codec->private_data = wm8988; codec->name = "WM8988"; codec->owner = THIS_MODULE; - codec->read = wm8988_read_reg_cache; - codec->write = wm8988_write; codec->dai = &wm8988_dai; codec->num_dai = 1; codec->reg_cache_size = ARRAY_SIZE(wm8988->reg_cache); @@ -899,23 +855,29 @@ static int wm8988_register(struct wm8988_priv *wm8988) memcpy(codec->reg_cache, wm8988_reg, sizeof(wm8988_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 = wm8988_reset(codec); if (ret < 0) { dev_err(codec->dev, "Failed to issue reset\n"); - return ret; + goto err; } /* set the update bits (we always update left then right) */ - reg = wm8988_read_reg_cache(codec, WM8988_RADC); - wm8988_write(codec, WM8988_RADC, reg | 0x100); - reg = wm8988_read_reg_cache(codec, WM8988_RDAC); - wm8988_write(codec, WM8988_RDAC, reg | 0x0100); - reg = wm8988_read_reg_cache(codec, WM8988_ROUT1V); - wm8988_write(codec, WM8988_ROUT1V, reg | 0x0100); - reg = wm8988_read_reg_cache(codec, WM8988_ROUT2V); - wm8988_write(codec, WM8988_ROUT2V, reg | 0x0100); - reg = wm8988_read_reg_cache(codec, WM8988_RINVOL); - wm8988_write(codec, WM8988_RINVOL, reg | 0x0100); + reg = snd_soc_read(codec, WM8988_RADC); + snd_soc_write(codec, WM8988_RADC, reg | 0x100); + reg = snd_soc_read(codec, WM8988_RDAC); + snd_soc_write(codec, WM8988_RDAC, reg | 0x0100); + reg = snd_soc_read(codec, WM8988_ROUT1V); + snd_soc_write(codec, WM8988_ROUT1V, reg | 0x0100); + reg = snd_soc_read(codec, WM8988_ROUT2V); + snd_soc_write(codec, WM8988_ROUT2V, reg | 0x0100); + reg = snd_soc_read(codec, WM8988_RINVOL); + snd_soc_write(codec, WM8988_RINVOL, reg | 0x0100); wm8988_set_bias_level(&wm8988->codec, SND_SOC_BIAS_STANDBY); @@ -926,18 +888,20 @@ static int wm8988_register(struct wm8988_priv *wm8988) 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(&wm8988_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(wm8988); return ret; @@ -964,14 +928,13 @@ static int wm8988_i2c_probe(struct i2c_client *i2c, return -ENOMEM; codec = &wm8988->codec; - codec->hw_write = (hw_write_t)i2c_master_send; i2c_set_clientdata(i2c, wm8988); codec->control_data = i2c; codec->dev = &i2c->dev; - return wm8988_register(wm8988); + return wm8988_register(wm8988, SND_SOC_I2C); } static int wm8988_i2c_remove(struct i2c_client *client) @@ -981,6 +944,21 @@ static int wm8988_i2c_remove(struct i2c_client *client) return 0; } +#ifdef CONFIG_PM +static int wm8988_i2c_suspend(struct i2c_client *client, pm_message_t msg) +{ + return snd_soc_suspend_device(&client->dev); +} + +static int wm8988_i2c_resume(struct i2c_client *client) +{ + return snd_soc_resume_device(&client->dev); +} +#else +#define wm8988_i2c_suspend NULL +#define wm8988_i2c_resume NULL +#endif + static const struct i2c_device_id wm8988_i2c_id[] = { { "wm8988", 0 }, { } @@ -994,35 +972,13 @@ static struct i2c_driver wm8988_i2c_driver = { }, .probe = wm8988_i2c_probe, .remove = wm8988_i2c_remove, + .suspend = wm8988_i2c_suspend, + .resume = wm8988_i2c_resume, .id_table = wm8988_i2c_id, }; #endif #if defined(CONFIG_SPI_MASTER) -static int wm8988_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 wm8988_spi_probe(struct spi_device *spi) { struct wm8988_priv *wm8988; @@ -1033,13 +989,12 @@ static int __devinit wm8988_spi_probe(struct spi_device *spi) return -ENOMEM; codec = &wm8988->codec; - codec->hw_write = (hw_write_t)wm8988_spi_write; codec->control_data = spi; codec->dev = &spi->dev; dev_set_drvdata(&spi->dev, wm8988); - return wm8988_register(wm8988); + return wm8988_register(wm8988, SND_SOC_SPI); } static int __devexit wm8988_spi_remove(struct spi_device *spi) @@ -1051,6 +1006,21 @@ static int __devexit wm8988_spi_remove(struct spi_device *spi) return 0; } +#ifdef CONFIG_PM +static int wm8988_spi_suspend(struct spi_device *spi, pm_message_t msg) +{ + return snd_soc_suspend_device(&spi->dev); +} + +static int wm8988_spi_resume(struct spi_device *spi) +{ + return snd_soc_resume_device(&spi->dev); +} +#else +#define wm8988_spi_suspend NULL +#define wm8988_spi_resume NULL +#endif + static struct spi_driver wm8988_spi_driver = { .driver = { .name = "wm8988", @@ -1059,6 +1029,8 @@ static struct spi_driver wm8988_spi_driver = { }, .probe = wm8988_spi_probe, .remove = __devexit_p(wm8988_spi_remove), + .suspend = wm8988_spi_suspend, + .resume = wm8988_spi_resume, }; #endif |