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
return -EINVAL;
}
- wm8750_write(codec, WM8750_IFACE, iface);
+ snd_soc_write(codec, WM8750_IFACE, iface);
return 0;
}
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 */
}
/* 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;
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;
* 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;
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 */
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));
card_err:
snd_soc_free_pcms(socdev);
snd_soc_dapm_free(socdev);
-pcm_err:
+err:
kfree(codec->reg_cache);
return ret;
}
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");
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");
.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)
#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");