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Diffstat (limited to 'sound/soc/codecs/wm8750.c')
-rw-r--r--sound/soc/codecs/wm8750.c224
1 files changed, 124 insertions, 100 deletions
diff --git a/sound/soc/codecs/wm8750.c b/sound/soc/codecs/wm8750.c
index 6c924cd2cfd..33990b63d21 100644
--- a/sound/soc/codecs/wm8750.c
+++ b/sound/soc/codecs/wm8750.c
@@ -18,14 +18,14 @@
#include <linux/delay.h>
#include <linux/pm.h>
#include <linux/i2c.h>
-#include <linux/platform_device.h>
+#include <linux/regmap.h>
#include <linux/spi/spi.h>
#include <linux/slab.h>
+#include <linux/of_device.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
-#include <sound/soc-dapm.h>
#include <sound/initval.h>
#include "wm8750.h"
@@ -35,25 +35,55 @@
* We can't read the WM8750 register space when we
* are using 2 wire for device control, so we cache them instead.
*/
-static const u16 wm8750_reg[] = {
- 0x0097, 0x0097, 0x0079, 0x0079, /* 0 */
- 0x0000, 0x0008, 0x0000, 0x000a, /* 4 */
- 0x0000, 0x0000, 0x00ff, 0x00ff, /* 8 */
- 0x000f, 0x000f, 0x0000, 0x0000, /* 12 */
- 0x0000, 0x007b, 0x0000, 0x0032, /* 16 */
- 0x0000, 0x00c3, 0x00c3, 0x00c0, /* 20 */
- 0x0000, 0x0000, 0x0000, 0x0000, /* 24 */
- 0x0000, 0x0000, 0x0000, 0x0000, /* 28 */
- 0x0000, 0x0000, 0x0050, 0x0050, /* 32 */
- 0x0050, 0x0050, 0x0050, 0x0050, /* 36 */
- 0x0079, 0x0079, 0x0079, /* 40 */
+static const struct reg_default wm8750_reg_defaults[] = {
+ { 0, 0x0097 },
+ { 1, 0x0097 },
+ { 2, 0x0079 },
+ { 3, 0x0079 },
+ { 4, 0x0000 },
+ { 5, 0x0008 },
+ { 6, 0x0000 },
+ { 7, 0x000a },
+ { 8, 0x0000 },
+ { 9, 0x0000 },
+ { 10, 0x00ff },
+ { 11, 0x00ff },
+ { 12, 0x000f },
+ { 13, 0x000f },
+ { 14, 0x0000 },
+ { 15, 0x0000 },
+ { 16, 0x0000 },
+ { 17, 0x007b },
+ { 18, 0x0000 },
+ { 19, 0x0032 },
+ { 20, 0x0000 },
+ { 21, 0x00c3 },
+ { 22, 0x00c3 },
+ { 23, 0x00c0 },
+ { 24, 0x0000 },
+ { 25, 0x0000 },
+ { 26, 0x0000 },
+ { 27, 0x0000 },
+ { 28, 0x0000 },
+ { 29, 0x0000 },
+ { 30, 0x0000 },
+ { 31, 0x0000 },
+ { 32, 0x0000 },
+ { 33, 0x0000 },
+ { 34, 0x0050 },
+ { 35, 0x0050 },
+ { 36, 0x0050 },
+ { 37, 0x0050 },
+ { 38, 0x0050 },
+ { 39, 0x0050 },
+ { 40, 0x0079 },
+ { 41, 0x0079 },
+ { 42, 0x0079 },
};
/* codec private data */
struct wm8750_priv {
unsigned int sysclk;
- enum snd_soc_control_type control_type;
- u16 reg_cache[ARRAY_SIZE(wm8750_reg)];
};
#define wm8750_reset(c) snd_soc_write(c, WM8750_RESET, 0)
@@ -303,7 +333,7 @@ static const struct snd_soc_dapm_widget wm8750_dapm_widgets[] = {
SND_SOC_DAPM_INPUT("RINPUT3"),
};
-static const struct snd_soc_dapm_route audio_map[] = {
+static const struct snd_soc_dapm_route wm8750_dapm_routes[] = {
/* left mixer */
{"Left Mixer", "Playback Switch", "Left DAC"},
{"Left Mixer", "Left Bypass Switch", "Left Line Mux"},
@@ -397,16 +427,6 @@ static const struct snd_soc_dapm_route audio_map[] = {
{"Right ADC", NULL, "Right ADC Mux"},
};
-static int wm8750_add_widgets(struct snd_soc_codec *codec)
-{
- snd_soc_dapm_new_controls(codec, wm8750_dapm_widgets,
- ARRAY_SIZE(wm8750_dapm_widgets));
-
- snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map));
-
- return 0;
-}
-
struct _coeff_div {
u32 mclk;
u32 rate;
@@ -559,8 +579,7 @@ static int wm8750_pcm_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params,
struct snd_soc_dai *dai)
{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct snd_soc_codec *codec = rtd->codec;
+ struct snd_soc_codec *codec = dai->codec;
struct wm8750_priv *wm8750 = snd_soc_codec_get_drvdata(codec);
u16 iface = snd_soc_read(codec, WM8750_IFACE) & 0x1f3;
u16 srate = snd_soc_read(codec, WM8750_SRATE) & 0x1c0;
@@ -615,7 +634,9 @@ static int wm8750_set_bias_level(struct snd_soc_codec *codec,
case SND_SOC_BIAS_PREPARE:
break;
case SND_SOC_BIAS_STANDBY:
- if (codec->bias_level == SND_SOC_BIAS_OFF) {
+ if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) {
+ snd_soc_cache_sync(codec);
+
/* Set VMID to 5k */
snd_soc_write(codec, WM8750_PWR1, pwr_reg | 0x01c1);
@@ -630,7 +651,7 @@ static int wm8750_set_bias_level(struct snd_soc_codec *codec,
snd_soc_write(codec, WM8750_PWR1, 0x0001);
break;
}
- codec->bias_level = level;
+ codec->dapm.bias_level = level;
return 0;
}
@@ -641,7 +662,7 @@ static int wm8750_set_bias_level(struct snd_soc_codec *codec,
#define WM8750_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
SNDRV_PCM_FMTBIT_S24_LE)
-static struct snd_soc_dai_ops wm8750_dai_ops = {
+static const struct snd_soc_dai_ops wm8750_dai_ops = {
.hw_params = wm8750_pcm_hw_params,
.digital_mute = wm8750_mute,
.set_fmt = wm8750_set_dai_fmt,
@@ -665,7 +686,7 @@ static struct snd_soc_dai_driver wm8750_dai = {
.ops = &wm8750_dai_ops,
};
-static int wm8750_suspend(struct snd_soc_codec *codec, pm_message_t state)
+static int wm8750_suspend(struct snd_soc_codec *codec)
{
wm8750_set_bias_level(codec, SND_SOC_BIAS_OFF);
return 0;
@@ -673,34 +694,13 @@ static int wm8750_suspend(struct snd_soc_codec *codec, pm_message_t state)
static int wm8750_resume(struct snd_soc_codec *codec)
{
- int i;
- u8 data[2];
- u16 *cache = codec->reg_cache;
-
- /* Sync reg_cache with the hardware */
- for (i = 0; i < ARRAY_SIZE(wm8750_reg); i++) {
- if (i == WM8750_RESET)
- continue;
- data[0] = (i << 1) | ((cache[i] >> 8) & 0x0001);
- data[1] = cache[i] & 0x00ff;
- codec->hw_write(codec->control_data, data, 2);
- }
-
wm8750_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
-
return 0;
}
static int wm8750_probe(struct snd_soc_codec *codec)
{
- struct wm8750_priv *wm8750 = snd_soc_codec_get_drvdata(codec);
- int reg, ret;
-
- ret = snd_soc_codec_set_cache_io(codec, 7, 9, wm8750->control_type);
- if (ret < 0) {
- printk(KERN_ERR "wm8750: failed to set cache I/O: %d\n", ret);
- return ret;
- }
+ int ret;
ret = wm8750_reset(codec);
if (ret < 0) {
@@ -712,26 +712,15 @@ static int wm8750_probe(struct snd_soc_codec *codec)
wm8750_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
/* set the update bits */
- 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));
- wm8750_add_widgets(codec);
+ snd_soc_update_bits(codec, WM8750_LDAC, 0x0100, 0x0100);
+ snd_soc_update_bits(codec, WM8750_RDAC, 0x0100, 0x0100);
+ snd_soc_update_bits(codec, WM8750_LOUT1V, 0x0100, 0x0100);
+ snd_soc_update_bits(codec, WM8750_ROUT1V, 0x0100, 0x0100);
+ snd_soc_update_bits(codec, WM8750_LOUT2V, 0x0100, 0x0100);
+ snd_soc_update_bits(codec, WM8750_ROUT2V, 0x0100, 0x0100);
+ snd_soc_update_bits(codec, WM8750_LINVOL, 0x0100, 0x0100);
+ snd_soc_update_bits(codec, WM8750_RINVOL, 0x0100, 0x0100);
+
return ret;
}
@@ -747,73 +736,107 @@ static struct snd_soc_codec_driver soc_codec_dev_wm8750 = {
.suspend = wm8750_suspend,
.resume = wm8750_resume,
.set_bias_level = wm8750_set_bias_level,
- .reg_cache_size = ARRAY_SIZE(wm8750_reg),
- .reg_word_size = sizeof(u16),
- .reg_cache_default = wm8750_reg,
+
+ .controls = wm8750_snd_controls,
+ .num_controls = ARRAY_SIZE(wm8750_snd_controls),
+ .dapm_widgets = wm8750_dapm_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(wm8750_dapm_widgets),
+ .dapm_routes = wm8750_dapm_routes,
+ .num_dapm_routes = ARRAY_SIZE(wm8750_dapm_routes),
+};
+
+static const struct of_device_id wm8750_of_match[] = {
+ { .compatible = "wlf,wm8750", },
+ { .compatible = "wlf,wm8987", },
+ { }
+};
+MODULE_DEVICE_TABLE(of, wm8750_of_match);
+
+static const struct regmap_config wm8750_regmap = {
+ .reg_bits = 7,
+ .val_bits = 9,
+ .max_register = WM8750_MOUTV,
+
+ .reg_defaults = wm8750_reg_defaults,
+ .num_reg_defaults = ARRAY_SIZE(wm8750_reg_defaults),
+ .cache_type = REGCACHE_RBTREE,
};
#if defined(CONFIG_SPI_MASTER)
-static int __devinit wm8750_spi_probe(struct spi_device *spi)
+static int wm8750_spi_probe(struct spi_device *spi)
{
struct wm8750_priv *wm8750;
+ struct regmap *regmap;
int ret;
- wm8750 = kzalloc(sizeof(struct wm8750_priv), GFP_KERNEL);
+ wm8750 = devm_kzalloc(&spi->dev, sizeof(struct wm8750_priv),
+ GFP_KERNEL);
if (wm8750 == NULL)
return -ENOMEM;
- wm8750->control_type = SND_SOC_SPI;
+ regmap = devm_regmap_init_spi(spi, &wm8750_regmap);
+ if (IS_ERR(regmap))
+ return PTR_ERR(regmap);
+
spi_set_drvdata(spi, wm8750);
ret = snd_soc_register_codec(&spi->dev,
&soc_codec_dev_wm8750, &wm8750_dai, 1);
- if (ret < 0)
- kfree(wm8750);
return ret;
}
-static int __devexit wm8750_spi_remove(struct spi_device *spi)
+static int wm8750_spi_remove(struct spi_device *spi)
{
snd_soc_unregister_codec(&spi->dev);
- kfree(spi_get_drvdata(spi));
return 0;
}
+static const struct spi_device_id wm8750_spi_ids[] = {
+ { "wm8750", 0 },
+ { "wm8987", 0 },
+ { },
+};
+MODULE_DEVICE_TABLE(spi, wm8750_spi_ids);
+
static struct spi_driver wm8750_spi_driver = {
.driver = {
- .name = "wm8750-codec",
+ .name = "wm8750",
.owner = THIS_MODULE,
+ .of_match_table = wm8750_of_match,
},
+ .id_table = wm8750_spi_ids,
.probe = wm8750_spi_probe,
- .remove = __devexit_p(wm8750_spi_remove),
+ .remove = wm8750_spi_remove,
};
#endif /* CONFIG_SPI_MASTER */
-#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
-static __devinit int wm8750_i2c_probe(struct i2c_client *i2c,
- const struct i2c_device_id *id)
+#if IS_ENABLED(CONFIG_I2C)
+static int wm8750_i2c_probe(struct i2c_client *i2c,
+ const struct i2c_device_id *id)
{
struct wm8750_priv *wm8750;
+ struct regmap *regmap;
int ret;
- wm8750 = kzalloc(sizeof(struct wm8750_priv), GFP_KERNEL);
+ wm8750 = devm_kzalloc(&i2c->dev, sizeof(struct wm8750_priv),
+ GFP_KERNEL);
if (wm8750 == NULL)
return -ENOMEM;
i2c_set_clientdata(i2c, wm8750);
- wm8750->control_type = SND_SOC_I2C;
+
+ regmap = devm_regmap_init_i2c(i2c, &wm8750_regmap);
+ if (IS_ERR(regmap))
+ return PTR_ERR(regmap);
ret = snd_soc_register_codec(&i2c->dev,
&soc_codec_dev_wm8750, &wm8750_dai, 1);
- if (ret < 0)
- kfree(wm8750);
return ret;
}
-static __devexit int wm8750_i2c_remove(struct i2c_client *client)
+static int wm8750_i2c_remove(struct i2c_client *client)
{
snd_soc_unregister_codec(&client->dev);
- kfree(i2c_get_clientdata(client));
return 0;
}
@@ -826,11 +849,12 @@ MODULE_DEVICE_TABLE(i2c, wm8750_i2c_id);
static struct i2c_driver wm8750_i2c_driver = {
.driver = {
- .name = "wm8750-codec",
+ .name = "wm8750",
.owner = THIS_MODULE,
+ .of_match_table = wm8750_of_match,
},
.probe = wm8750_i2c_probe,
- .remove = __devexit_p(wm8750_i2c_remove),
+ .remove = wm8750_i2c_remove,
.id_table = wm8750_i2c_id,
};
#endif
@@ -838,7 +862,7 @@ static struct i2c_driver wm8750_i2c_driver = {
static int __init wm8750_modinit(void)
{
int ret = 0;
-#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
+#if IS_ENABLED(CONFIG_I2C)
ret = i2c_add_driver(&wm8750_i2c_driver);
if (ret != 0) {
printk(KERN_ERR "Failed to register wm8750 I2C driver: %d\n",
@@ -858,7 +882,7 @@ module_init(wm8750_modinit);
static void __exit wm8750_exit(void)
{
-#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
+#if IS_ENABLED(CONFIG_I2C)
i2c_del_driver(&wm8750_i2c_driver);
#endif
#if defined(CONFIG_SPI_MASTER)
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-03 18:34:39 +0000