Merge branch 'topic/cs46xx' into for-linus
[pandora-kernel.git] / sound / soc / codecs / wm8750.c
index b64509b..4ba1e7e 100644 (file)
@@ -55,50 +55,7 @@ static const u16 wm8750_reg[] = {
        0x0079, 0x0079, 0x0079,          /* 40 */
 };
 
-/*
- * read wm8750 register cache
- */
-static inline unsigned int wm8750_read_reg_cache(struct snd_soc_codec *codec,
-       unsigned int reg)
-{
-       u16 *cache = codec->reg_cache;
-       if (reg > WM8750_CACHE_REGNUM)
-               return -1;
-       return cache[reg];
-}
-
-/*
- * write wm8750 register cache
- */
-static inline void wm8750_write_reg_cache(struct snd_soc_codec *codec,
-       unsigned int reg, unsigned int value)
-{
-       u16 *cache = codec->reg_cache;
-       if (reg > WM8750_CACHE_REGNUM)
-               return;
-       cache[reg] = value;
-}
-
-static int wm8750_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;
-
-       wm8750_write_reg_cache(codec, reg, value);
-       if (codec->hw_write(codec->control_data, data, 2) == 2)
-               return 0;
-       else
-               return -EIO;
-}
-
-#define wm8750_reset(c)        wm8750_write(c, WM8750_RESET, 0)
+#define wm8750_reset(c)        snd_soc_write(c, WM8750_RESET, 0)
 
 /*
  * WM8750 Controls
@@ -594,7 +551,7 @@ static int wm8750_set_dai_fmt(struct snd_soc_dai *codec_dai,
                return -EINVAL;
        }
 
-       wm8750_write(codec, WM8750_IFACE, iface);
+       snd_soc_write(codec, WM8750_IFACE, iface);
        return 0;
 }
 
@@ -606,8 +563,8 @@ static int wm8750_pcm_hw_params(struct snd_pcm_substream *substream,
        struct snd_soc_device *socdev = rtd->socdev;
        struct snd_soc_codec *codec = socdev->card->codec;
        struct wm8750_priv *wm8750 = codec->private_data;
-       u16 iface = wm8750_read_reg_cache(codec, WM8750_IFACE) & 0x1f3;
-       u16 srate = wm8750_read_reg_cache(codec, WM8750_SRATE) & 0x1c0;
+       u16 iface = snd_soc_read(codec, WM8750_IFACE) & 0x1f3;
+       u16 srate = snd_soc_read(codec, WM8750_SRATE) & 0x1c0;
        int coeff = get_coeff(wm8750->sysclk, params_rate(params));
 
        /* bit size */
@@ -626,9 +583,9 @@ static int wm8750_pcm_hw_params(struct snd_pcm_substream *substream,
        }
 
        /* set iface & srate */
-       wm8750_write(codec, WM8750_IFACE, iface);
+       snd_soc_write(codec, WM8750_IFACE, iface);
        if (coeff >= 0)
-               wm8750_write(codec, WM8750_SRATE, srate |
+               snd_soc_write(codec, WM8750_SRATE, srate |
                        (coeff_div[coeff].sr << 1) | coeff_div[coeff].usb);
 
        return 0;
@@ -637,35 +594,35 @@ static int wm8750_pcm_hw_params(struct snd_pcm_substream *substream,
 static int wm8750_mute(struct snd_soc_dai *dai, int mute)
 {
        struct snd_soc_codec *codec = dai->codec;
-       u16 mute_reg = wm8750_read_reg_cache(codec, WM8750_ADCDAC) & 0xfff7;
+       u16 mute_reg = snd_soc_read(codec, WM8750_ADCDAC) & 0xfff7;
 
        if (mute)
-               wm8750_write(codec, WM8750_ADCDAC, mute_reg | 0x8);
+               snd_soc_write(codec, WM8750_ADCDAC, mute_reg | 0x8);
        else
-               wm8750_write(codec, WM8750_ADCDAC, mute_reg);
+               snd_soc_write(codec, WM8750_ADCDAC, mute_reg);
        return 0;
 }
 
 static int wm8750_set_bias_level(struct snd_soc_codec *codec,
                                 enum snd_soc_bias_level level)
 {
-       u16 pwr_reg = wm8750_read_reg_cache(codec, WM8750_PWR1) & 0xfe3e;
+       u16 pwr_reg = snd_soc_read(codec, WM8750_PWR1) & 0xfe3e;
 
        switch (level) {
        case SND_SOC_BIAS_ON:
                /* set vmid to 50k and unmute dac */
-               wm8750_write(codec, WM8750_PWR1, pwr_reg | 0x00c0);
+               snd_soc_write(codec, WM8750_PWR1, pwr_reg | 0x00c0);
                break;
        case SND_SOC_BIAS_PREPARE:
                /* set vmid to 5k for quick power up */
-               wm8750_write(codec, WM8750_PWR1, pwr_reg | 0x01c1);
+               snd_soc_write(codec, WM8750_PWR1, pwr_reg | 0x01c1);
                break;
        case SND_SOC_BIAS_STANDBY:
                /* mute dac and set vmid to 500k, enable VREF */
-               wm8750_write(codec, WM8750_PWR1, pwr_reg | 0x0141);
+               snd_soc_write(codec, WM8750_PWR1, pwr_reg | 0x0141);
                break;
        case SND_SOC_BIAS_OFF:
-               wm8750_write(codec, WM8750_PWR1, 0x0001);
+               snd_soc_write(codec, WM8750_PWR1, 0x0001);
                break;
        }
        codec->bias_level = level;
@@ -754,15 +711,14 @@ static int wm8750_resume(struct platform_device *pdev)
  * initialise the WM8750 driver
  * register the mixer and dsp interfaces with the kernel
  */
-static int wm8750_init(struct snd_soc_device *socdev)
+static int wm8750_init(struct snd_soc_device *socdev,
+                      enum snd_soc_control_type control)
 {
        struct snd_soc_codec *codec = socdev->card->codec;
        int reg, ret = 0;
 
        codec->name = "WM8750";
        codec->owner = THIS_MODULE;
-       codec->read = wm8750_read_reg_cache;
-       codec->write = wm8750_write;
        codec->set_bias_level = wm8750_set_bias_level;
        codec->dai = &wm8750_dai;
        codec->num_dai = 1;
@@ -771,13 +727,23 @@ static int wm8750_init(struct snd_soc_device *socdev)
        if (codec->reg_cache == NULL)
                return -ENOMEM;
 
-       wm8750_reset(codec);
+       ret = snd_soc_codec_set_cache_io(codec, 7, 9, control);
+       if (ret < 0) {
+               printk(KERN_ERR "wm8750: failed to set cache I/O: %d\n", ret);
+               goto err;
+       }
+
+       ret = wm8750_reset(codec);
+       if (ret < 0) {
+               printk(KERN_ERR "wm8750: failed to reset: %d\n", ret);
+               goto err;
+       }
 
        /* register pcms */
        ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
        if (ret < 0) {
                printk(KERN_ERR "wm8750: failed to create pcms\n");
-               goto pcm_err;
+               goto err;
        }
 
        /* charge output caps */
@@ -786,22 +752,22 @@ static int wm8750_init(struct snd_soc_device *socdev)
        schedule_delayed_work(&codec->delayed_work, msecs_to_jiffies(1000));
 
        /* set the update bits */
-       reg = wm8750_read_reg_cache(codec, WM8750_LDAC);
-       wm8750_write(codec, WM8750_LDAC, reg | 0x0100);
-       reg = wm8750_read_reg_cache(codec, WM8750_RDAC);
-       wm8750_write(codec, WM8750_RDAC, reg | 0x0100);
-       reg = wm8750_read_reg_cache(codec, WM8750_LOUT1V);
-       wm8750_write(codec, WM8750_LOUT1V, reg | 0x0100);
-       reg = wm8750_read_reg_cache(codec, WM8750_ROUT1V);
-       wm8750_write(codec, WM8750_ROUT1V, reg | 0x0100);
-       reg = wm8750_read_reg_cache(codec, WM8750_LOUT2V);
-       wm8750_write(codec, WM8750_LOUT2V, reg | 0x0100);
-       reg = wm8750_read_reg_cache(codec, WM8750_ROUT2V);
-       wm8750_write(codec, WM8750_ROUT2V, reg | 0x0100);
-       reg = wm8750_read_reg_cache(codec, WM8750_LINVOL);
-       wm8750_write(codec, WM8750_LINVOL, reg | 0x0100);
-       reg = wm8750_read_reg_cache(codec, WM8750_RINVOL);
-       wm8750_write(codec, WM8750_RINVOL, reg | 0x0100);
+       reg = snd_soc_read(codec, WM8750_LDAC);
+       snd_soc_write(codec, WM8750_LDAC, reg | 0x0100);
+       reg = snd_soc_read(codec, WM8750_RDAC);
+       snd_soc_write(codec, WM8750_RDAC, reg | 0x0100);
+       reg = snd_soc_read(codec, WM8750_LOUT1V);
+       snd_soc_write(codec, WM8750_LOUT1V, reg | 0x0100);
+       reg = snd_soc_read(codec, WM8750_ROUT1V);
+       snd_soc_write(codec, WM8750_ROUT1V, reg | 0x0100);
+       reg = snd_soc_read(codec, WM8750_LOUT2V);
+       snd_soc_write(codec, WM8750_LOUT2V, reg | 0x0100);
+       reg = snd_soc_read(codec, WM8750_ROUT2V);
+       snd_soc_write(codec, WM8750_ROUT2V, reg | 0x0100);
+       reg = snd_soc_read(codec, WM8750_LINVOL);
+       snd_soc_write(codec, WM8750_LINVOL, reg | 0x0100);
+       reg = snd_soc_read(codec, WM8750_RINVOL);
+       snd_soc_write(codec, WM8750_RINVOL, reg | 0x0100);
 
        snd_soc_add_controls(codec, wm8750_snd_controls,
                                ARRAY_SIZE(wm8750_snd_controls));
@@ -816,7 +782,7 @@ static int wm8750_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;
 }
@@ -844,7 +810,7 @@ static int wm8750_i2c_probe(struct i2c_client *i2c,
        i2c_set_clientdata(i2c, codec);
        codec->control_data = i2c;
 
-       ret = wm8750_init(socdev);
+       ret = wm8750_init(socdev, SND_SOC_I2C);
        if (ret < 0)
                pr_err("failed to initialise WM8750\n");
 
@@ -924,7 +890,7 @@ static int __devinit wm8750_spi_probe(struct spi_device *spi)
 
        codec->control_data = spi;
 
-       ret = wm8750_init(socdev);
+       ret = wm8750_init(socdev, SND_SOC_SPI);
        if (ret < 0)
                dev_err(&spi->dev, "failed to initialise WM8750\n");
 
@@ -945,30 +911,6 @@ static struct spi_driver wm8750_spi_driver = {
        .probe          = wm8750_spi_probe,
        .remove         = __devexit_p(wm8750_spi_remove),
 };
-
-static int wm8750_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
 
 static int wm8750_probe(struct platform_device *pdev)
@@ -1002,13 +944,11 @@ static int wm8750_probe(struct platform_device *pdev)
 
 #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
        if (setup->i2c_address) {
-               codec->hw_write = (hw_write_t)i2c_master_send;
                ret = wm8750_add_i2c_device(pdev, setup);
        }
 #endif
 #if defined(CONFIG_SPI_MASTER)
        if (setup->spi) {
-               codec->hw_write = (hw_write_t)wm8750_spi_write;
                ret = spi_register_driver(&wm8750_spi_driver);
                if (ret != 0)
                        printk(KERN_ERR "can't add spi driver");