*
* Copyright 2006 Wolfson Microelectronics PLC.
*
- * Author: Liam Girdwood <liam.girdwood@wolfsonmicro.com>
+ * Author: Liam Girdwood <lrg@slimlogic.co.uk>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
#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" };
SOC_SINGLE("Mono Playback Switch", WM8510_MONOMIX, 6, 1, 1),
};
-/* add non dapm controls */
-static int wm8510_add_controls(struct snd_soc_codec *codec)
-{
- int err, i;
-
- for (i = 0; i < ARRAY_SIZE(wm8510_snd_controls); i++) {
- err = snd_ctl_add(codec->card,
- snd_soc_cnew(&wm8510_snd_controls[i], codec,
- NULL));
- if (err < 0)
- return err;
- }
-
- return 0;
-}
-
/* Speaker Output Mixer */
static const struct snd_kcontrol_new wm8510_speaker_mixer_controls[] = {
SOC_DAPM_SINGLE("Line Bypass Switch", WM8510_SPKMIX, 1, 1, 0),
SND_SOC_DAPM_PGA("SpkP Out", WM8510_POWER3, 6, 0, NULL, 0),
SND_SOC_DAPM_PGA("Mono Out", WM8510_POWER3, 7, 0, NULL, 0),
-SND_SOC_DAPM_PGA("Mic PGA", WM8510_POWER2, 2, 0,
- &wm8510_micpga_controls[0],
- ARRAY_SIZE(wm8510_micpga_controls)),
+SND_SOC_DAPM_MIXER("Mic PGA", WM8510_POWER2, 2, 0,
+ &wm8510_micpga_controls[0],
+ ARRAY_SIZE(wm8510_micpga_controls)),
SND_SOC_DAPM_MIXER("Boost Mixer", WM8510_POWER2, 4, 0,
&wm8510_boost_controls[0],
ARRAY_SIZE(wm8510_boost_controls)),
snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map));
- snd_soc_dapm_new_widgets(codec);
return 0;
}
if ((Ndiv < 6) || (Ndiv > 12))
printk(KERN_WARNING
- "WM8510 N value %d outwith recommended range!d\n",
+ "WM8510 N value %u outwith recommended range!d\n",
Ndiv);
pll_div.n = Ndiv;
pll_div.k = K;
}
-static int wm8510_set_dai_pll(struct snd_soc_dai *codec_dai,
- int pll_id, unsigned int freq_in, unsigned int freq_out)
+static int wm8510_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id,
+ int source, unsigned int freq_in, unsigned int freq_out)
{
struct snd_soc_codec *codec = codec_dai->codec;
u16 reg;
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*8, freq_in);
+ 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;
}
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) & 0x1f;
- 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;
{
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) {
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;
}
static int wm8510_pcm_hw_params(struct snd_pcm_substream *substream,
- struct snd_pcm_hw_params *params)
+ struct snd_pcm_hw_params *params,
+ struct snd_soc_dai *dai)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_soc_device *socdev = rtd->socdev;
- struct snd_soc_codec *codec = socdev->codec;
- u16 iface = wm8510_read_reg_cache(codec, WM8510_IFACE) & 0x19f;
- u16 adn = wm8510_read_reg_cache(codec, WM8510_ADD) & 0x1f1;
+ struct snd_soc_codec *codec = socdev->card->codec;
+ u16 iface = snd_soc_read(codec, WM8510_IFACE) & 0x19f;
+ u16 adn = snd_soc_read(codec, WM8510_ADD) & 0x1f1;
/* bit size */
switch (params_format(params)) {
/* filter coefficient */
switch (params_rate(params)) {
- case SNDRV_PCM_RATE_8000:
+ case 8000:
adn |= 0x5 << 1;
break;
- case SNDRV_PCM_RATE_11025:
+ case 11025:
adn |= 0x4 << 1;
break;
- case SNDRV_PCM_RATE_16000:
+ case 16000:
adn |= 0x3 << 1;
break;
- case SNDRV_PCM_RATE_22050:
+ case 22050:
adn |= 0x2 << 1;
break;
- case SNDRV_PCM_RATE_32000:
+ case 32000:
adn |= 0x1 << 1;
break;
- case SNDRV_PCM_RATE_44100:
- case SNDRV_PCM_RATE_48000:
+ case 44100:
+ case 48000:
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;
}
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:
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;
}
#define WM8510_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
+static struct snd_soc_dai_ops wm8510_dai_ops = {
+ .hw_params = wm8510_pcm_hw_params,
+ .digital_mute = wm8510_mute,
+ .set_fmt = wm8510_set_dai_fmt,
+ .set_clkdiv = wm8510_set_dai_clkdiv,
+ .set_pll = wm8510_set_dai_pll,
+};
+
struct snd_soc_dai wm8510_dai = {
.name = "WM8510 HiFi",
.playback = {
.channels_max = 2,
.rates = WM8510_RATES,
.formats = WM8510_FORMATS,},
- .ops = {
- .hw_params = wm8510_pcm_hw_params,
- },
- .dai_ops = {
- .digital_mute = wm8510_mute,
- .set_fmt = wm8510_set_dai_fmt,
- .set_clkdiv = wm8510_set_dai_clkdiv,
- .set_pll = wm8510_set_dai_pll,
- },
+ .ops = &wm8510_dai_ops,
+ .symmetric_rates = 1,
};
EXPORT_SYMBOL_GPL(wm8510_dai);
static int wm8510_suspend(struct platform_device *pdev, pm_message_t state)
{
struct snd_soc_device *socdev = platform_get_drvdata(pdev);
- struct snd_soc_codec *codec = socdev->codec;
+ struct snd_soc_codec *codec = socdev->card->codec;
wm8510_set_bias_level(codec, SND_SOC_BIAS_OFF);
return 0;
static int wm8510_resume(struct platform_device *pdev)
{
struct snd_soc_device *socdev = platform_get_drvdata(pdev);
- struct snd_soc_codec *codec = socdev->codec;
+ struct snd_soc_codec *codec = socdev->card->codec;
int i;
u8 data[2];
u16 *cache = codec->reg_cache;
codec->hw_write(codec->control_data, data, 2);
}
wm8510_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
- wm8510_set_bias_level(codec, codec->suspend_bias_level);
+
return 0;
}
* 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->codec;
+ 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;
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 */
codec->bias_level = SND_SOC_BIAS_OFF;
wm8510_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
- wm8510_add_controls(codec);
+ snd_soc_add_controls(codec, wm8510_snd_controls,
+ ARRAY_SIZE(wm8510_snd_controls));
wm8510_add_widgets(codec);
- ret = snd_soc_register_card(socdev);
- if (ret < 0) {
- printk(KERN_ERR "wm8510: failed to register card\n");
- goto card_err;
- }
+
return ret;
-card_err:
- snd_soc_free_pcms(socdev);
- snd_soc_dapm_free(socdev);
-pcm_err:
+err:
kfree(codec->reg_cache);
return ret;
}
const struct i2c_device_id *id)
{
struct snd_soc_device *socdev = wm8510_socdev;
- struct snd_soc_codec *codec = socdev->codec;
+ struct snd_soc_codec *codec = socdev->card->codec;
int ret;
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");
static int __devinit wm8510_spi_probe(struct spi_device *spi)
{
struct snd_soc_device *socdev = wm8510_socdev;
- struct snd_soc_codec *codec = socdev->codec;
+ struct snd_soc_codec *codec = socdev->card->codec;
int ret;
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");
.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)
if (codec == NULL)
return -ENOMEM;
- socdev->codec = codec;
+ socdev->card->codec = codec;
mutex_init(&codec->mutex);
INIT_LIST_HEAD(&codec->dapm_widgets);
INIT_LIST_HEAD(&codec->dapm_paths);
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");
static int wm8510_remove(struct platform_device *pdev)
{
struct snd_soc_device *socdev = platform_get_drvdata(pdev);
- struct snd_soc_codec *codec = socdev->codec;
+ struct snd_soc_codec *codec = socdev->card->codec;
if (codec->control_data)
wm8510_set_bias_level(codec, SND_SOC_BIAS_OFF);
};
EXPORT_SYMBOL_GPL(soc_codec_dev_wm8510);
+static int __init wm8510_modinit(void)
+{
+ return snd_soc_register_dai(&wm8510_dai);
+}
+module_init(wm8510_modinit);
+
+static void __exit wm8510_exit(void)
+{
+ snd_soc_unregister_dai(&wm8510_dai);
+}
+module_exit(wm8510_exit);
+
MODULE_DESCRIPTION("ASoC WM8510 driver");
MODULE_AUTHOR("Liam Girdwood");
MODULE_LICENSE("GPL");
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff