diff options
Diffstat (limited to 'sound/soc/codecs/wm8510.c')
-rw-r--r-- | sound/soc/codecs/wm8510.c | 175 |
1 files changed, 54 insertions, 121 deletions
diff --git a/sound/soc/codecs/wm8510.c b/sound/soc/codecs/wm8510.c index c8b8dba85890..060d5d06ba95 100644 --- a/sound/soc/codecs/wm8510.c +++ b/sound/soc/codecs/wm8510.c @@ -58,55 +58,7 @@ static const u16 wm8510_reg[WM8510_CACHEREGNUM] = { #define WM8510_POWER1_BIASEN 0x08 #define WM8510_POWER1_BUFIOEN 0x10 -/* - * read wm8510 register cache - */ -static inline unsigned int wm8510_read_reg_cache(struct snd_soc_codec *codec, - unsigned int reg) -{ - u16 *cache = codec->reg_cache; - if (reg == WM8510_RESET) - return 0; - if (reg >= WM8510_CACHEREGNUM) - return -1; - return cache[reg]; -} - -/* - * write wm8510 register cache - */ -static inline void wm8510_write_reg_cache(struct snd_soc_codec *codec, - u16 reg, unsigned int value) -{ - u16 *cache = codec->reg_cache; - if (reg >= WM8510_CACHEREGNUM) - return; - cache[reg] = value; -} - -/* - * write to the WM8510 register space - */ -static int wm8510_write(struct snd_soc_codec *codec, unsigned int reg, - unsigned int value) -{ - u8 data[2]; - - /* data is - * D15..D9 WM8510 register offset - * D8...D0 register data - */ - data[0] = (reg << 1) | ((value >> 8) & 0x0001); - data[1] = value & 0x00ff; - - wm8510_write_reg_cache(codec, reg, value); - if (codec->hw_write(codec->control_data, data, 2) == 2) - return 0; - else - return -EIO; -} - -#define wm8510_reset(c) wm8510_write(c, WM8510_RESET, 0) +#define wm8510_reset(c) snd_soc_write(c, WM8510_RESET, 0) static const char *wm8510_companding[] = { "Off", "NC", "u-law", "A-law" }; static const char *wm8510_deemp[] = { "None", "32kHz", "44.1kHz", "48kHz" }; @@ -327,27 +279,27 @@ static int wm8510_set_dai_pll(struct snd_soc_dai *codec_dai, if (freq_in == 0 || freq_out == 0) { /* Clock CODEC directly from MCLK */ - reg = wm8510_read_reg_cache(codec, WM8510_CLOCK); - wm8510_write(codec, WM8510_CLOCK, reg & 0x0ff); + reg = snd_soc_read(codec, WM8510_CLOCK); + snd_soc_write(codec, WM8510_CLOCK, reg & 0x0ff); /* Turn off PLL */ - reg = wm8510_read_reg_cache(codec, WM8510_POWER1); - wm8510_write(codec, WM8510_POWER1, reg & 0x1df); + reg = snd_soc_read(codec, WM8510_POWER1); + snd_soc_write(codec, WM8510_POWER1, reg & 0x1df); return 0; } pll_factors(freq_out*4, freq_in); - wm8510_write(codec, WM8510_PLLN, (pll_div.pre_div << 4) | pll_div.n); - wm8510_write(codec, WM8510_PLLK1, pll_div.k >> 18); - wm8510_write(codec, WM8510_PLLK2, (pll_div.k >> 9) & 0x1ff); - wm8510_write(codec, WM8510_PLLK3, pll_div.k & 0x1ff); - reg = wm8510_read_reg_cache(codec, WM8510_POWER1); - wm8510_write(codec, WM8510_POWER1, reg | 0x020); + snd_soc_write(codec, WM8510_PLLN, (pll_div.pre_div << 4) | pll_div.n); + snd_soc_write(codec, WM8510_PLLK1, pll_div.k >> 18); + snd_soc_write(codec, WM8510_PLLK2, (pll_div.k >> 9) & 0x1ff); + snd_soc_write(codec, WM8510_PLLK3, pll_div.k & 0x1ff); + reg = snd_soc_read(codec, WM8510_POWER1); + snd_soc_write(codec, WM8510_POWER1, reg | 0x020); /* Run CODEC from PLL instead of MCLK */ - reg = wm8510_read_reg_cache(codec, WM8510_CLOCK); - wm8510_write(codec, WM8510_CLOCK, reg | 0x100); + reg = snd_soc_read(codec, WM8510_CLOCK); + snd_soc_write(codec, WM8510_CLOCK, reg | 0x100); return 0; } @@ -363,24 +315,24 @@ static int wm8510_set_dai_clkdiv(struct snd_soc_dai *codec_dai, switch (div_id) { case WM8510_OPCLKDIV: - reg = wm8510_read_reg_cache(codec, WM8510_GPIO) & 0x1cf; - wm8510_write(codec, WM8510_GPIO, reg | div); + reg = snd_soc_read(codec, WM8510_GPIO) & 0x1cf; + snd_soc_write(codec, WM8510_GPIO, reg | div); break; case WM8510_MCLKDIV: - reg = wm8510_read_reg_cache(codec, WM8510_CLOCK) & 0x11f; - wm8510_write(codec, WM8510_CLOCK, reg | div); + reg = snd_soc_read(codec, WM8510_CLOCK) & 0x11f; + snd_soc_write(codec, WM8510_CLOCK, reg | div); break; case WM8510_ADCCLK: - reg = wm8510_read_reg_cache(codec, WM8510_ADC) & 0x1f7; - wm8510_write(codec, WM8510_ADC, reg | div); + reg = snd_soc_read(codec, WM8510_ADC) & 0x1f7; + snd_soc_write(codec, WM8510_ADC, reg | div); break; case WM8510_DACCLK: - reg = wm8510_read_reg_cache(codec, WM8510_DAC) & 0x1f7; - wm8510_write(codec, WM8510_DAC, reg | div); + reg = snd_soc_read(codec, WM8510_DAC) & 0x1f7; + snd_soc_write(codec, WM8510_DAC, reg | div); break; case WM8510_BCLKDIV: - reg = wm8510_read_reg_cache(codec, WM8510_CLOCK) & 0x1e3; - wm8510_write(codec, WM8510_CLOCK, reg | div); + reg = snd_soc_read(codec, WM8510_CLOCK) & 0x1e3; + snd_soc_write(codec, WM8510_CLOCK, reg | div); break; default: return -EINVAL; @@ -394,7 +346,7 @@ static int wm8510_set_dai_fmt(struct snd_soc_dai *codec_dai, { struct snd_soc_codec *codec = codec_dai->codec; u16 iface = 0; - u16 clk = wm8510_read_reg_cache(codec, WM8510_CLOCK) & 0x1fe; + u16 clk = snd_soc_read(codec, WM8510_CLOCK) & 0x1fe; /* set master/slave audio interface */ switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { @@ -441,8 +393,8 @@ static int wm8510_set_dai_fmt(struct snd_soc_dai *codec_dai, return -EINVAL; } - wm8510_write(codec, WM8510_IFACE, iface); - wm8510_write(codec, WM8510_CLOCK, clk); + snd_soc_write(codec, WM8510_IFACE, iface); + snd_soc_write(codec, WM8510_CLOCK, clk); return 0; } @@ -453,8 +405,8 @@ static int wm8510_pcm_hw_params(struct snd_pcm_substream *substream, struct snd_soc_pcm_runtime *rtd = substream->private_data; struct snd_soc_device *socdev = rtd->socdev; struct snd_soc_codec *codec = socdev->card->codec; - u16 iface = wm8510_read_reg_cache(codec, WM8510_IFACE) & 0x19f; - u16 adn = wm8510_read_reg_cache(codec, WM8510_ADD) & 0x1f1; + u16 iface = snd_soc_read(codec, WM8510_IFACE) & 0x19f; + u16 adn = snd_soc_read(codec, WM8510_ADD) & 0x1f1; /* bit size */ switch (params_format(params)) { @@ -493,20 +445,20 @@ static int wm8510_pcm_hw_params(struct snd_pcm_substream *substream, break; } - wm8510_write(codec, WM8510_IFACE, iface); - wm8510_write(codec, WM8510_ADD, adn); + snd_soc_write(codec, WM8510_IFACE, iface); + snd_soc_write(codec, WM8510_ADD, adn); return 0; } static int wm8510_mute(struct snd_soc_dai *dai, int mute) { struct snd_soc_codec *codec = dai->codec; - u16 mute_reg = wm8510_read_reg_cache(codec, WM8510_DAC) & 0xffbf; + u16 mute_reg = snd_soc_read(codec, WM8510_DAC) & 0xffbf; if (mute) - wm8510_write(codec, WM8510_DAC, mute_reg | 0x40); + snd_soc_write(codec, WM8510_DAC, mute_reg | 0x40); else - wm8510_write(codec, WM8510_DAC, mute_reg); + snd_soc_write(codec, WM8510_DAC, mute_reg); return 0; } @@ -514,13 +466,13 @@ static int wm8510_mute(struct snd_soc_dai *dai, int mute) static int wm8510_set_bias_level(struct snd_soc_codec *codec, enum snd_soc_bias_level level) { - u16 power1 = wm8510_read_reg_cache(codec, WM8510_POWER1) & ~0x3; + u16 power1 = snd_soc_read(codec, WM8510_POWER1) & ~0x3; switch (level) { case SND_SOC_BIAS_ON: case SND_SOC_BIAS_PREPARE: power1 |= 0x1; /* VMID 50k */ - wm8510_write(codec, WM8510_POWER1, power1); + snd_soc_write(codec, WM8510_POWER1, power1); break; case SND_SOC_BIAS_STANDBY: @@ -528,18 +480,18 @@ static int wm8510_set_bias_level(struct snd_soc_codec *codec, if (codec->bias_level == SND_SOC_BIAS_OFF) { /* Initial cap charge at VMID 5k */ - wm8510_write(codec, WM8510_POWER1, power1 | 0x3); + snd_soc_write(codec, WM8510_POWER1, power1 | 0x3); mdelay(100); } power1 |= 0x2; /* VMID 500k */ - wm8510_write(codec, WM8510_POWER1, power1); + snd_soc_write(codec, WM8510_POWER1, power1); break; case SND_SOC_BIAS_OFF: - wm8510_write(codec, WM8510_POWER1, 0); - wm8510_write(codec, WM8510_POWER2, 0); - wm8510_write(codec, WM8510_POWER3, 0); + snd_soc_write(codec, WM8510_POWER1, 0); + snd_soc_write(codec, WM8510_POWER2, 0); + snd_soc_write(codec, WM8510_POWER3, 0); break; } @@ -577,6 +529,7 @@ struct snd_soc_dai wm8510_dai = { .rates = WM8510_RATES, .formats = WM8510_FORMATS,}, .ops = &wm8510_dai_ops, + .symmetric_rates = 1, }; EXPORT_SYMBOL_GPL(wm8510_dai); @@ -612,15 +565,14 @@ static int wm8510_resume(struct platform_device *pdev) * initialise the WM8510 driver * register the mixer and dsp interfaces with the kernel */ -static int wm8510_init(struct snd_soc_device *socdev) +static int wm8510_init(struct snd_soc_device *socdev, + enum snd_soc_control_type control) { struct snd_soc_codec *codec = socdev->card->codec; int ret = 0; codec->name = "WM8510"; codec->owner = THIS_MODULE; - codec->read = wm8510_read_reg_cache; - codec->write = wm8510_write; codec->set_bias_level = wm8510_set_bias_level; codec->dai = &wm8510_dai; codec->num_dai = 1; @@ -630,13 +582,20 @@ static int wm8510_init(struct snd_soc_device *socdev) if (codec->reg_cache == NULL) return -ENOMEM; + ret = snd_soc_codec_set_cache_io(codec, 7, 9, control); + if (ret < 0) { + printk(KERN_ERR "wm8510: failed to set cache I/O: %d\n", + ret); + goto err; + } + wm8510_reset(codec); /* register pcms */ ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1); if (ret < 0) { printk(KERN_ERR "wm8510: failed to create pcms\n"); - goto pcm_err; + goto err; } /* power on device */ @@ -655,7 +614,7 @@ static int wm8510_init(struct snd_soc_device *socdev) card_err: snd_soc_free_pcms(socdev); snd_soc_dapm_free(socdev); -pcm_err: +err: kfree(codec->reg_cache); return ret; } @@ -678,7 +637,7 @@ static int wm8510_i2c_probe(struct i2c_client *i2c, i2c_set_clientdata(i2c, codec); codec->control_data = i2c; - ret = wm8510_init(socdev); + ret = wm8510_init(socdev, SND_SOC_I2C); if (ret < 0) pr_err("failed to initialise WM8510\n"); @@ -758,7 +717,7 @@ static int __devinit wm8510_spi_probe(struct spi_device *spi) codec->control_data = spi; - ret = wm8510_init(socdev); + ret = wm8510_init(socdev, SND_SOC_SPI); if (ret < 0) dev_err(&spi->dev, "failed to initialise WM8510\n"); @@ -779,30 +738,6 @@ static struct spi_driver wm8510_spi_driver = { .probe = wm8510_spi_probe, .remove = __devexit_p(wm8510_spi_remove), }; - -static int wm8510_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; -} #endif /* CONFIG_SPI_MASTER */ static int wm8510_probe(struct platform_device *pdev) @@ -827,13 +762,11 @@ static int wm8510_probe(struct platform_device *pdev) wm8510_socdev = socdev; #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) if (setup->i2c_address) { - codec->hw_write = (hw_write_t)i2c_master_send; ret = wm8510_add_i2c_device(pdev, setup); } #endif #if defined(CONFIG_SPI_MASTER) if (setup->spi) { - codec->hw_write = (hw_write_t)wm8510_spi_write; ret = spi_register_driver(&wm8510_spi_driver); if (ret != 0) printk(KERN_ERR "can't add spi driver"); |