#define WM8580_MAX_REGISTER 0x35
+#define WM8580_DACOSR 0x40
+
/* PLLB4 (register 7h) */
#define WM8580_PLLB4_MCLKOUTSRC_MASK 0x60
#define WM8580_PLLB4_MCLKOUTSRC_PLLA 0x20
/* AIF control 1 (registers 9h-bh) */
#define WM8580_AIF_RATE_MASK 0x7
-#define WM8580_AIF_RATE_128 0x0
-#define WM8580_AIF_RATE_192 0x1
-#define WM8580_AIF_RATE_256 0x2
-#define WM8580_AIF_RATE_384 0x3
-#define WM8580_AIF_RATE_512 0x4
-#define WM8580_AIF_RATE_768 0x5
-#define WM8580_AIF_RATE_1152 0x6
-
#define WM8580_AIF_BCLKSEL_MASK 0x18
-#define WM8580_AIF_BCLKSEL_64 0x00
-#define WM8580_AIF_BCLKSEL_128 0x08
-#define WM8580_AIF_BCLKSEL_256 0x10
-#define WM8580_AIF_BCLKSEL_SYSCLK 0x18
#define WM8580_AIF_MS 0x20
static const u16 wm8580_reg[] = {
0x0121, 0x017e, 0x007d, 0x0014, /*R3*/
0x0121, 0x017e, 0x007d, 0x0194, /*R7*/
- 0x001c, 0x0002, 0x0002, 0x00c2, /*R11*/
+ 0x0010, 0x0002, 0x0002, 0x00c2, /*R11*/
0x0182, 0x0082, 0x000a, 0x0024, /*R15*/
0x0009, 0x0000, 0x00ff, 0x0000, /*R19*/
0x00ff, 0x00ff, 0x00ff, 0x00ff, /*R23*/
/* codec private data */
struct wm8580_priv {
- struct snd_soc_codec codec;
+ enum snd_soc_control_type control_type;
struct regulator_bulk_data supplies[WM8580_NUM_SUPPLIES];
u16 reg_cache[WM8580_MAX_REGISTER + 1];
struct pll_state a;
struct pll_state b;
+ int sysclk[2];
};
static const DECLARE_TLV_DB_SCALE(dac_tlv, -12750, 50, 1);
SOC_SINGLE("DAC2 Switch", WM8580_DAC_CONTROL5, 1, 1, 1),
SOC_SINGLE("DAC3 Switch", WM8580_DAC_CONTROL5, 2, 1, 1),
-SOC_DOUBLE("ADC Mute Switch", WM8580_ADC_CONTROL1, 0, 1, 1, 0),
-SOC_SINGLE("ADC High-Pass Filter Switch", WM8580_ADC_CONTROL1, 4, 1, 0),
+SOC_DOUBLE("Capture Switch", WM8580_ADC_CONTROL1, 0, 1, 1, 1),
+SOC_SINGLE("Capture High-Pass Filter Switch", WM8580_ADC_CONTROL1, 4, 1, 0),
};
static const struct snd_soc_dapm_widget wm8580_dapm_widgets[] = {
return 0;
}
+static const int wm8580_sysclk_ratios[] = {
+ 128, 192, 256, 384, 512, 768, 1152,
+};
+
/*
* Set PCM DAI bit size and sample rate.
*/
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->card->codec;
- u16 paifb = snd_soc_read(codec, WM8580_PAIF3 + dai->id);
+ struct snd_soc_codec *codec = rtd->codec;
+ struct wm8580_priv *wm8580 = snd_soc_codec_get_drvdata(codec);
+ u16 paifa = 0;
+ u16 paifb = 0;
+ int i, ratio, osr;
- paifb &= ~WM8580_AIF_LENGTH_MASK;
/* bit size */
switch (params_format(params)) {
case SNDRV_PCM_FORMAT_S16_LE:
+ paifa |= 0x8;
break;
case SNDRV_PCM_FORMAT_S20_3LE:
+ paifa |= 0x0;
paifb |= WM8580_AIF_LENGTH_20;
break;
case SNDRV_PCM_FORMAT_S24_LE:
+ paifa |= 0x0;
paifb |= WM8580_AIF_LENGTH_24;
break;
case SNDRV_PCM_FORMAT_S32_LE:
- paifb |= WM8580_AIF_LENGTH_24;
+ paifa |= 0x0;
+ paifb |= WM8580_AIF_LENGTH_32;
break;
default:
return -EINVAL;
}
- snd_soc_write(codec, WM8580_PAIF3 + dai->id, paifb);
+ /* Look up the SYSCLK ratio; accept only exact matches */
+ ratio = wm8580->sysclk[dai->id] / params_rate(params);
+ for (i = 0; i < ARRAY_SIZE(wm8580_sysclk_ratios); i++)
+ if (ratio == wm8580_sysclk_ratios[i])
+ break;
+ if (i == ARRAY_SIZE(wm8580_sysclk_ratios)) {
+ dev_err(codec->dev, "Invalid clock ratio %d/%d\n",
+ wm8580->sysclk[dai->id], params_rate(params));
+ return -EINVAL;
+ }
+ paifa |= i;
+ dev_dbg(codec->dev, "Running at %dfs with %dHz clock\n",
+ wm8580_sysclk_ratios[i], wm8580->sysclk[dai->driver->id]);
+
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+ switch (ratio) {
+ case 128:
+ case 192:
+ osr = WM8580_DACOSR;
+ dev_dbg(codec->dev, "Selecting 64x OSR\n");
+ break;
+ default:
+ osr = 0;
+ dev_dbg(codec->dev, "Selecting 128x OSR\n");
+ break;
+ }
+
+ snd_soc_update_bits(codec, WM8580_PAIF3, WM8580_DACOSR, osr);
+ }
+
+ snd_soc_update_bits(codec, WM8580_PAIF1 + dai->driver->id,
+ WM8580_AIF_RATE_MASK | WM8580_AIF_BCLKSEL_MASK,
+ paifa);
+ snd_soc_update_bits(codec, WM8580_PAIF3 + dai->driver->id,
+ WM8580_AIF_LENGTH_MASK, paifb);
return 0;
}
unsigned int aifb;
int can_invert_lrclk;
- aifa = snd_soc_read(codec, WM8580_PAIF1 + codec_dai->id);
- aifb = snd_soc_read(codec, WM8580_PAIF3 + codec_dai->id);
+ aifa = snd_soc_read(codec, WM8580_PAIF1 + codec_dai->driver->id);
+ aifb = snd_soc_read(codec, WM8580_PAIF3 + codec_dai->driver->id);
aifb &= ~(WM8580_AIF_FMT_MASK | WM8580_AIF_LRP | WM8580_AIF_BCP);
return -EINVAL;
}
- snd_soc_write(codec, WM8580_PAIF1 + codec_dai->id, aifa);
- snd_soc_write(codec, WM8580_PAIF3 + codec_dai->id, aifb);
+ snd_soc_write(codec, WM8580_PAIF1 + codec_dai->driver->id, aifa);
+ snd_soc_write(codec, WM8580_PAIF3 + codec_dai->driver->id, aifb);
return 0;
}
snd_soc_write(codec, WM8580_PLLB4, reg);
break;
- case WM8580_DAC_CLKSEL:
- reg = snd_soc_read(codec, WM8580_CLKSEL);
- reg &= ~WM8580_CLKSEL_DAC_CLKSEL_MASK;
-
- switch (div) {
- case WM8580_CLKSRC_MCLK:
- break;
-
- case WM8580_CLKSRC_PLLA:
- reg |= WM8580_CLKSEL_DAC_CLKSEL_PLLA;
- break;
-
- case WM8580_CLKSRC_PLLB:
- reg |= WM8580_CLKSEL_DAC_CLKSEL_PLLB;
- break;
-
- default:
- return -EINVAL;
- }
- snd_soc_write(codec, WM8580_CLKSEL, reg);
- break;
-
case WM8580_CLKOUTSRC:
reg = snd_soc_read(codec, WM8580_PLLB4);
reg &= ~WM8580_PLLB4_CLKOUTSRC_MASK;
return 0;
}
+static int wm8580_set_sysclk(struct snd_soc_dai *dai, int clk_id,
+ unsigned int freq, int dir)
+{
+ struct snd_soc_codec *codec = dai->codec;
+ struct wm8580_priv *wm8580 = snd_soc_codec_get_drvdata(codec);
+ int sel, sel_mask, sel_shift;
+
+ switch (dai->driver->id) {
+ case WM8580_DAI_PAIFRX:
+ sel_mask = 0x3;
+ sel_shift = 0;
+ break;
+
+ case WM8580_DAI_PAIFTX:
+ sel_mask = 0xc;
+ sel_shift = 2;
+ break;
+
+ default:
+ BUG_ON("Unknown DAI driver ID\n");
+ return -EINVAL;
+ }
+
+ switch (clk_id) {
+ case WM8580_CLKSRC_ADCMCLK:
+ if (dai->id != WM8580_DAI_PAIFTX)
+ return -EINVAL;
+ sel = 0 << sel_shift;
+ break;
+ case WM8580_CLKSRC_PLLA:
+ sel = 1 << sel_shift;
+ break;
+ case WM8580_CLKSRC_PLLB:
+ sel = 2 << sel_shift;
+ break;
+ case WM8580_CLKSRC_MCLK:
+ sel = 3 << sel_shift;
+ break;
+ default:
+ dev_err(codec->dev, "Unknown clock %d\n", clk_id);
+ return -EINVAL;
+ }
+
+ /* We really should validate PLL settings but not yet */
+ wm8580->sysclk[dai->id] = freq;
+
+ return snd_soc_update_bits(codec, WM8580_CLKSEL, sel_mask, sel);
+}
+
static int wm8580_digital_mute(struct snd_soc_dai *codec_dai, int mute)
{
struct snd_soc_codec *codec = codec_dai->codec;
SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
static struct snd_soc_dai_ops wm8580_dai_ops_playback = {
+ .set_sysclk = wm8580_set_sysclk,
.hw_params = wm8580_paif_hw_params,
.set_fmt = wm8580_set_paif_dai_fmt,
.set_clkdiv = wm8580_set_dai_clkdiv,
};
static struct snd_soc_dai_ops wm8580_dai_ops_capture = {
+ .set_sysclk = wm8580_set_sysclk,
.hw_params = wm8580_paif_hw_params,
.set_fmt = wm8580_set_paif_dai_fmt,
.set_clkdiv = wm8580_set_dai_clkdiv,
.set_pll = wm8580_set_dai_pll,
};
-struct snd_soc_dai wm8580_dai[] = {
+static struct snd_soc_dai_driver wm8580_dai[] = {
{
- .name = "WM8580 PAIFRX",
- .id = 0,
+ .name = "wm8580-hifi-playback",
+ .id = WM8580_DAI_PAIFRX,
.playback = {
.stream_name = "Playback",
.channels_min = 1,
.ops = &wm8580_dai_ops_playback,
},
{
- .name = "WM8580 PAIFTX",
- .id = 1,
+ .name = "wm8580-hifi-capture",
+ .id = WM8580_DAI_PAIFTX,
.capture = {
.stream_name = "Capture",
.channels_min = 2,
.ops = &wm8580_dai_ops_capture,
},
};
-EXPORT_SYMBOL_GPL(wm8580_dai);
-
-static struct snd_soc_codec *wm8580_codec;
-
-static int wm8580_probe(struct platform_device *pdev)
-{
- struct snd_soc_device *socdev = platform_get_drvdata(pdev);
- struct snd_soc_codec *codec;
- int ret = 0;
-
- if (wm8580_codec == NULL) {
- dev_err(&pdev->dev, "Codec device not registered\n");
- return -ENODEV;
- }
-
- socdev->card->codec = wm8580_codec;
- codec = wm8580_codec;
-
- /* register pcms */
- ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
- if (ret < 0) {
- dev_err(codec->dev, "failed to create pcms: %d\n", ret);
- goto pcm_err;
- }
-
- snd_soc_add_controls(codec, wm8580_snd_controls,
- ARRAY_SIZE(wm8580_snd_controls));
- wm8580_add_widgets(codec);
-
- return ret;
-
-pcm_err:
- return ret;
-}
-
-/* power down chip */
-static int wm8580_remove(struct platform_device *pdev)
-{
- struct snd_soc_device *socdev = platform_get_drvdata(pdev);
-
- snd_soc_free_pcms(socdev);
- snd_soc_dapm_free(socdev);
-
- return 0;
-}
-
-struct snd_soc_codec_device soc_codec_dev_wm8580 = {
- .probe = wm8580_probe,
- .remove = wm8580_remove,
-};
-EXPORT_SYMBOL_GPL(soc_codec_dev_wm8580);
-static int wm8580_register(struct wm8580_priv *wm8580,
- enum snd_soc_control_type control)
+static int wm8580_probe(struct snd_soc_codec *codec)
{
- int ret, i;
- struct snd_soc_codec *codec = &wm8580->codec;
-
- if (wm8580_codec) {
- dev_err(codec->dev, "Another WM8580 is registered\n");
- ret = -EINVAL;
- goto err;
- }
-
- mutex_init(&codec->mutex);
- INIT_LIST_HEAD(&codec->dapm_widgets);
- INIT_LIST_HEAD(&codec->dapm_paths);
-
- snd_soc_codec_set_drvdata(codec, wm8580);
- codec->name = "WM8580";
- codec->owner = THIS_MODULE;
- codec->bias_level = SND_SOC_BIAS_OFF;
- codec->set_bias_level = wm8580_set_bias_level;
- codec->dai = wm8580_dai;
- codec->num_dai = ARRAY_SIZE(wm8580_dai);
- codec->reg_cache_size = ARRAY_SIZE(wm8580->reg_cache);
- codec->reg_cache = &wm8580->reg_cache;
-
- memcpy(codec->reg_cache, wm8580_reg, sizeof(wm8580_reg));
+ struct wm8580_priv *wm8580 = snd_soc_codec_get_drvdata(codec);
+ int ret = 0,i;
- ret = snd_soc_codec_set_cache_io(codec, 7, 9, control);
+ ret = snd_soc_codec_set_cache_io(codec, 7, 9, wm8580->control_type);
if (ret < 0) {
dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);
- goto err;
+ return ret;
}
for (i = 0; i < ARRAY_SIZE(wm8580->supplies); i++)
wm8580->supplies);
if (ret != 0) {
dev_err(codec->dev, "Failed to request supplies: %d\n", ret);
- goto err;
+ return ret;
}
ret = regulator_bulk_enable(ARRAY_SIZE(wm8580->supplies),
goto err_regulator_enable;
}
- for (i = 0; i < ARRAY_SIZE(wm8580_dai); i++)
- wm8580_dai[i].dev = codec->dev;
-
wm8580_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
- wm8580_codec = codec;
-
- ret = snd_soc_register_codec(codec);
- if (ret != 0) {
- dev_err(codec->dev, "Failed to register codec: %d\n", ret);
- goto err_regulator_enable;
- }
-
- ret = snd_soc_register_dais(wm8580_dai, ARRAY_SIZE(wm8580_dai));
- if (ret != 0) {
- dev_err(codec->dev, "Failed to register DAI: %d\n", ret);
- goto err_codec;
- }
+ snd_soc_add_controls(codec, wm8580_snd_controls,
+ ARRAY_SIZE(wm8580_snd_controls));
+ wm8580_add_widgets(codec);
return 0;
-err_codec:
- snd_soc_unregister_codec(codec);
err_regulator_enable:
regulator_bulk_disable(ARRAY_SIZE(wm8580->supplies), wm8580->supplies);
err_regulator_get:
regulator_bulk_free(ARRAY_SIZE(wm8580->supplies), wm8580->supplies);
-err:
- kfree(wm8580);
return ret;
}
-static void wm8580_unregister(struct wm8580_priv *wm8580)
+/* power down chip */
+static int wm8580_remove(struct snd_soc_codec *codec)
{
- wm8580_set_bias_level(&wm8580->codec, SND_SOC_BIAS_OFF);
- snd_soc_unregister_dais(wm8580_dai, ARRAY_SIZE(wm8580_dai));
- snd_soc_unregister_codec(&wm8580->codec);
+ struct wm8580_priv *wm8580 = snd_soc_codec_get_drvdata(codec);
+
+ wm8580_set_bias_level(codec, SND_SOC_BIAS_OFF);
+
regulator_bulk_disable(ARRAY_SIZE(wm8580->supplies), wm8580->supplies);
regulator_bulk_free(ARRAY_SIZE(wm8580->supplies), wm8580->supplies);
- kfree(wm8580);
- wm8580_codec = NULL;
+
+ return 0;
}
+static struct snd_soc_codec_driver soc_codec_dev_wm8580 = {
+ .probe = wm8580_probe,
+ .remove = wm8580_remove,
+ .set_bias_level = wm8580_set_bias_level,
+ .reg_cache_size = ARRAY_SIZE(wm8580_reg),
+ .reg_word_size = sizeof(u16),
+ .reg_cache_default = &wm8580_reg,
+};
+
#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
static int wm8580_i2c_probe(struct i2c_client *i2c,
const struct i2c_device_id *id)
{
struct wm8580_priv *wm8580;
- struct snd_soc_codec *codec;
+ int ret;
wm8580 = kzalloc(sizeof(struct wm8580_priv), GFP_KERNEL);
if (wm8580 == NULL)
return -ENOMEM;
- codec = &wm8580->codec;
-
i2c_set_clientdata(i2c, wm8580);
- codec->control_data = i2c;
+ wm8580->control_type = SND_SOC_I2C;
- codec->dev = &i2c->dev;
-
- return wm8580_register(wm8580, SND_SOC_I2C);
+ ret = snd_soc_register_codec(&i2c->dev,
+ &soc_codec_dev_wm8580, wm8580_dai, ARRAY_SIZE(wm8580_dai));
+ if (ret < 0)
+ kfree(wm8580);
+ return ret;
}
static int wm8580_i2c_remove(struct i2c_client *client)
{
- struct wm8580_priv *wm8580 = i2c_get_clientdata(client);
- wm8580_unregister(wm8580);
+ snd_soc_unregister_codec(&client->dev);
+ kfree(i2c_get_clientdata(client));
return 0;
}
static struct i2c_driver wm8580_i2c_driver = {
.driver = {
- .name = "wm8580",
+ .name = "wm8580-codec",
.owner = THIS_MODULE,
},
.probe = wm8580_i2c_probe,
static int __init wm8580_modinit(void)
{
- int ret;
+ int ret = 0;
#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
ret = i2c_add_driver(&wm8580_i2c_driver);
}
#endif
- return 0;
+ return ret;
}
module_init(wm8580_modinit);
projects / mv-sheeva.git / blobdiff