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Diffstat (limited to 'sound/soc/codecs/wm8985.c')
-rw-r--r--sound/soc/codecs/wm8985.c315
1 files changed, 191 insertions, 124 deletions
diff --git a/sound/soc/codecs/wm8985.c b/sound/soc/codecs/wm8985.c
index c0c86b3c6adf..14f666398d0c 100644
--- a/sound/soc/codecs/wm8985.c
+++ b/sound/soc/codecs/wm8985.c
@@ -19,6 +19,7 @@
#include <linux/delay.h>
#include <linux/pm.h>
#include <linux/i2c.h>
+#include <linux/regmap.h>
#include <linux/regulator/consumer.h>
#include <linux/spi/spi.h>
#include <linux/slab.h>
@@ -39,73 +40,127 @@ static const char *wm8985_supply_names[WM8985_NUM_SUPPLIES] = {
"AVDD2"
};
-static const u16 wm8985_reg_defs[] = {
- 0x0000, /* R0 - Software Reset */
- 0x0000, /* R1 - Power management 1 */
- 0x0000, /* R2 - Power management 2 */
- 0x0000, /* R3 - Power management 3 */
- 0x0050, /* R4 - Audio Interface */
- 0x0000, /* R5 - Companding control */
- 0x0140, /* R6 - Clock Gen control */
- 0x0000, /* R7 - Additional control */
- 0x0000, /* R8 - GPIO Control */
- 0x0000, /* R9 - Jack Detect Control 1 */
- 0x0000, /* R10 - DAC Control */
- 0x00FF, /* R11 - Left DAC digital Vol */
- 0x00FF, /* R12 - Right DAC digital vol */
- 0x0000, /* R13 - Jack Detect Control 2 */
- 0x0100, /* R14 - ADC Control */
- 0x00FF, /* R15 - Left ADC Digital Vol */
- 0x00FF, /* R16 - Right ADC Digital Vol */
- 0x0000, /* R17 */
- 0x012C, /* R18 - EQ1 - low shelf */
- 0x002C, /* R19 - EQ2 - peak 1 */
- 0x002C, /* R20 - EQ3 - peak 2 */
- 0x002C, /* R21 - EQ4 - peak 3 */
- 0x002C, /* R22 - EQ5 - high shelf */
- 0x0000, /* R23 */
- 0x0032, /* R24 - DAC Limiter 1 */
- 0x0000, /* R25 - DAC Limiter 2 */
- 0x0000, /* R26 */
- 0x0000, /* R27 - Notch Filter 1 */
- 0x0000, /* R28 - Notch Filter 2 */
- 0x0000, /* R29 - Notch Filter 3 */
- 0x0000, /* R30 - Notch Filter 4 */
- 0x0000, /* R31 */
- 0x0038, /* R32 - ALC control 1 */
- 0x000B, /* R33 - ALC control 2 */
- 0x0032, /* R34 - ALC control 3 */
- 0x0000, /* R35 - Noise Gate */
- 0x0008, /* R36 - PLL N */
- 0x000C, /* R37 - PLL K 1 */
- 0x0093, /* R38 - PLL K 2 */
- 0x00E9, /* R39 - PLL K 3 */
- 0x0000, /* R40 */
- 0x0000, /* R41 - 3D control */
- 0x0000, /* R42 - OUT4 to ADC */
- 0x0000, /* R43 - Beep control */
- 0x0033, /* R44 - Input ctrl */
- 0x0010, /* R45 - Left INP PGA gain ctrl */
- 0x0010, /* R46 - Right INP PGA gain ctrl */
- 0x0100, /* R47 - Left ADC BOOST ctrl */
- 0x0100, /* R48 - Right ADC BOOST ctrl */
- 0x0002, /* R49 - Output ctrl */
- 0x0001, /* R50 - Left mixer ctrl */
- 0x0001, /* R51 - Right mixer ctrl */
- 0x0039, /* R52 - LOUT1 (HP) volume ctrl */
- 0x0039, /* R53 - ROUT1 (HP) volume ctrl */
- 0x0039, /* R54 - LOUT2 (SPK) volume ctrl */
- 0x0039, /* R55 - ROUT2 (SPK) volume ctrl */
- 0x0001, /* R56 - OUT3 mixer ctrl */
- 0x0001, /* R57 - OUT4 (MONO) mix ctrl */
- 0x0001, /* R58 */
- 0x0000, /* R59 */
- 0x0004, /* R60 - OUTPUT ctrl */
- 0x0000, /* R61 - BIAS CTRL */
- 0x0180, /* R62 */
- 0x0000 /* R63 */
+static const struct reg_default wm8985_reg_defaults[] = {
+ { 1, 0x0000 }, /* R1 - Power management 1 */
+ { 2, 0x0000 }, /* R2 - Power management 2 */
+ { 3, 0x0000 }, /* R3 - Power management 3 */
+ { 4, 0x0050 }, /* R4 - Audio Interface */
+ { 5, 0x0000 }, /* R5 - Companding control */
+ { 6, 0x0140 }, /* R6 - Clock Gen control */
+ { 7, 0x0000 }, /* R7 - Additional control */
+ { 8, 0x0000 }, /* R8 - GPIO Control */
+ { 9, 0x0000 }, /* R9 - Jack Detect Control 1 */
+ { 10, 0x0000 }, /* R10 - DAC Control */
+ { 11, 0x00FF }, /* R11 - Left DAC digital Vol */
+ { 12, 0x00FF }, /* R12 - Right DAC digital vol */
+ { 13, 0x0000 }, /* R13 - Jack Detect Control 2 */
+ { 14, 0x0100 }, /* R14 - ADC Control */
+ { 15, 0x00FF }, /* R15 - Left ADC Digital Vol */
+ { 16, 0x00FF }, /* R16 - Right ADC Digital Vol */
+ { 18, 0x012C }, /* R18 - EQ1 - low shelf */
+ { 19, 0x002C }, /* R19 - EQ2 - peak 1 */
+ { 20, 0x002C }, /* R20 - EQ3 - peak 2 */
+ { 21, 0x002C }, /* R21 - EQ4 - peak 3 */
+ { 22, 0x002C }, /* R22 - EQ5 - high shelf */
+ { 24, 0x0032 }, /* R24 - DAC Limiter 1 */
+ { 25, 0x0000 }, /* R25 - DAC Limiter 2 */
+ { 27, 0x0000 }, /* R27 - Notch Filter 1 */
+ { 28, 0x0000 }, /* R28 - Notch Filter 2 */
+ { 29, 0x0000 }, /* R29 - Notch Filter 3 */
+ { 30, 0x0000 }, /* R30 - Notch Filter 4 */
+ { 32, 0x0038 }, /* R32 - ALC control 1 */
+ { 33, 0x000B }, /* R33 - ALC control 2 */
+ { 34, 0x0032 }, /* R34 - ALC control 3 */
+ { 35, 0x0000 }, /* R35 - Noise Gate */
+ { 36, 0x0008 }, /* R36 - PLL N */
+ { 37, 0x000C }, /* R37 - PLL K 1 */
+ { 38, 0x0093 }, /* R38 - PLL K 2 */
+ { 39, 0x00E9 }, /* R39 - PLL K 3 */
+ { 41, 0x0000 }, /* R41 - 3D control */
+ { 42, 0x0000 }, /* R42 - OUT4 to ADC */
+ { 43, 0x0000 }, /* R43 - Beep control */
+ { 44, 0x0033 }, /* R44 - Input ctrl */
+ { 45, 0x0010 }, /* R45 - Left INP PGA gain ctrl */
+ { 46, 0x0010 }, /* R46 - Right INP PGA gain ctrl */
+ { 47, 0x0100 }, /* R47 - Left ADC BOOST ctrl */
+ { 48, 0x0100 }, /* R48 - Right ADC BOOST ctrl */
+ { 49, 0x0002 }, /* R49 - Output ctrl */
+ { 50, 0x0001 }, /* R50 - Left mixer ctrl */
+ { 51, 0x0001 }, /* R51 - Right mixer ctrl */
+ { 52, 0x0039 }, /* R52 - LOUT1 (HP) volume ctrl */
+ { 53, 0x0039 }, /* R53 - ROUT1 (HP) volume ctrl */
+ { 54, 0x0039 }, /* R54 - LOUT2 (SPK) volume ctrl */
+ { 55, 0x0039 }, /* R55 - ROUT2 (SPK) volume ctrl */
+ { 56, 0x0001 }, /* R56 - OUT3 mixer ctrl */
+ { 57, 0x0001 }, /* R57 - OUT4 (MONO) mix ctrl */
+ { 60, 0x0004 }, /* R60 - OUTPUT ctrl */
+ { 61, 0x0000 }, /* R61 - BIAS CTRL */
};
+static bool wm8985_writeable(struct device *dev, unsigned int reg)
+{
+ switch (reg) {
+ case WM8985_SOFTWARE_RESET:
+ case WM8985_POWER_MANAGEMENT_1:
+ case WM8985_POWER_MANAGEMENT_2:
+ case WM8985_POWER_MANAGEMENT_3:
+ case WM8985_AUDIO_INTERFACE:
+ case WM8985_COMPANDING_CONTROL:
+ case WM8985_CLOCK_GEN_CONTROL:
+ case WM8985_ADDITIONAL_CONTROL:
+ case WM8985_GPIO_CONTROL:
+ case WM8985_JACK_DETECT_CONTROL_1:
+ case WM8985_DAC_CONTROL:
+ case WM8985_LEFT_DAC_DIGITAL_VOL:
+ case WM8985_RIGHT_DAC_DIGITAL_VOL:
+ case WM8985_JACK_DETECT_CONTROL_2:
+ case WM8985_ADC_CONTROL:
+ case WM8985_LEFT_ADC_DIGITAL_VOL:
+ case WM8985_RIGHT_ADC_DIGITAL_VOL:
+ case WM8985_EQ1_LOW_SHELF:
+ case WM8985_EQ2_PEAK_1:
+ case WM8985_EQ3_PEAK_2:
+ case WM8985_EQ4_PEAK_3:
+ case WM8985_EQ5_HIGH_SHELF:
+ case WM8985_DAC_LIMITER_1:
+ case WM8985_DAC_LIMITER_2:
+ case WM8985_NOTCH_FILTER_1:
+ case WM8985_NOTCH_FILTER_2:
+ case WM8985_NOTCH_FILTER_3:
+ case WM8985_NOTCH_FILTER_4:
+ case WM8985_ALC_CONTROL_1:
+ case WM8985_ALC_CONTROL_2:
+ case WM8985_ALC_CONTROL_3:
+ case WM8985_NOISE_GATE:
+ case WM8985_PLL_N:
+ case WM8985_PLL_K_1:
+ case WM8985_PLL_K_2:
+ case WM8985_PLL_K_3:
+ case WM8985_3D_CONTROL:
+ case WM8985_OUT4_TO_ADC:
+ case WM8985_BEEP_CONTROL:
+ case WM8985_INPUT_CTRL:
+ case WM8985_LEFT_INP_PGA_GAIN_CTRL:
+ case WM8985_RIGHT_INP_PGA_GAIN_CTRL:
+ case WM8985_LEFT_ADC_BOOST_CTRL:
+ case WM8985_RIGHT_ADC_BOOST_CTRL:
+ case WM8985_OUTPUT_CTRL0:
+ case WM8985_LEFT_MIXER_CTRL:
+ case WM8985_RIGHT_MIXER_CTRL:
+ case WM8985_LOUT1_HP_VOLUME_CTRL:
+ case WM8985_ROUT1_HP_VOLUME_CTRL:
+ case WM8985_LOUT2_SPK_VOLUME_CTRL:
+ case WM8985_ROUT2_SPK_VOLUME_CTRL:
+ case WM8985_OUT3_MIXER_CTRL:
+ case WM8985_OUT4_MONO_MIX_CTRL:
+ case WM8985_OUTPUT_CTRL1:
+ case WM8985_BIAS_CTRL:
+ return true;
+ default:
+ return false;
+ }
+}
+
/*
* latch bit 8 of these registers to ensure instant
* volume updates
@@ -124,7 +179,7 @@ static const int volume_update_regs[] = {
};
struct wm8985_priv {
- enum snd_soc_control_type control_type;
+ struct regmap *regmap;
struct regulator_bulk_data supplies[WM8985_NUM_SUPPLIES];
unsigned int sysclk;
unsigned int bclk;
@@ -428,7 +483,7 @@ static const struct snd_soc_dapm_widget wm8985_dapm_widgets[] = {
SND_SOC_DAPM_OUTPUT("SPKR")
};
-static const struct snd_soc_dapm_route audio_map[] = {
+static const struct snd_soc_dapm_route wm8985_dapm_routes[] = {
{ "Right Output Mixer", "PCM Switch", "Right DAC" },
{ "Right Output Mixer", "Aux Switch", "AUXR" },
{ "Right Output Mixer", "Line Switch", "Right Boost Mixer" },
@@ -531,17 +586,6 @@ static int eqmode_put(struct snd_kcontrol *kcontrol,
return 0;
}
-static int wm8985_add_widgets(struct snd_soc_codec *codec)
-{
- struct snd_soc_dapm_context *dapm = &codec->dapm;
-
- snd_soc_dapm_new_controls(dapm, wm8985_dapm_widgets,
- ARRAY_SIZE(wm8985_dapm_widgets));
- snd_soc_dapm_add_routes(dapm, audio_map,
- ARRAY_SIZE(audio_map));
- return 0;
-}
-
static int wm8985_reset(struct snd_soc_codec *codec)
{
return snd_soc_write(codec, WM8985_SOFTWARE_RESET, 0x0);
@@ -845,25 +889,6 @@ static int wm8985_set_sysclk(struct snd_soc_dai *dai,
return 0;
}
-static void wm8985_sync_cache(struct snd_soc_codec *codec)
-{
- short i;
- u16 *cache;
-
- if (!codec->cache_sync)
- return;
- codec->cache_only = 0;
- /* restore cache */
- cache = codec->reg_cache;
- for (i = 0; i < codec->driver->reg_cache_size; i++) {
- if (i == WM8985_SOFTWARE_RESET
- || cache[i] == wm8985_reg_defs[i])
- continue;
- snd_soc_write(codec, i, cache[i]);
- }
- codec->cache_sync = 0;
-}
-
static int wm8985_set_bias_level(struct snd_soc_codec *codec,
enum snd_soc_bias_level level)
{
@@ -890,7 +915,7 @@ static int wm8985_set_bias_level(struct snd_soc_codec *codec,
return ret;
}
- wm8985_sync_cache(codec);
+ regcache_sync(wm8985->regmap);
/* enable anti-pop features */
snd_soc_update_bits(codec, WM8985_OUT4_TO_ADC,
@@ -933,7 +958,7 @@ static int wm8985_set_bias_level(struct snd_soc_codec *codec,
snd_soc_write(codec, WM8985_POWER_MANAGEMENT_2, 0);
snd_soc_write(codec, WM8985_POWER_MANAGEMENT_3, 0);
- codec->cache_sync = 1;
+ regcache_mark_dirty(wm8985->regmap);
regulator_bulk_disable(ARRAY_SIZE(wm8985->supplies),
wm8985->supplies);
@@ -976,11 +1001,11 @@ static int wm8985_probe(struct snd_soc_codec *codec)
size_t i;
struct wm8985_priv *wm8985;
int ret;
- u16 *cache;
wm8985 = snd_soc_codec_get_drvdata(codec);
+ codec->control_data = wm8985->regmap;
- ret = snd_soc_codec_set_cache_io(codec, 7, 9, wm8985->control_type);
+ ret = snd_soc_codec_set_cache_io(codec, 7, 9, SND_SOC_REGMAP);
if (ret < 0) {
dev_err(codec->dev, "Failed to set cache i/o: %d\n", ret);
return ret;
@@ -1009,17 +1034,13 @@ static int wm8985_probe(struct snd_soc_codec *codec)
goto err_reg_enable;
}
- cache = codec->reg_cache;
/* latch volume update bits */
for (i = 0; i < ARRAY_SIZE(volume_update_regs); ++i)
- cache[volume_update_regs[i]] |= 0x100;
+ snd_soc_update_bits(codec, volume_update_regs[i],
+ 0x100, 0x100);
/* enable BIASCUT */
- cache[WM8985_BIAS_CTRL] |= WM8985_BIASCUT;
- codec->cache_sync = 1;
-
- snd_soc_add_controls(codec, wm8985_snd_controls,
- ARRAY_SIZE(wm8985_snd_controls));
- wm8985_add_widgets(codec);
+ snd_soc_update_bits(codec, WM8985_BIAS_CTRL, WM8985_BIASCUT,
+ WM8985_BIASCUT);
wm8985_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
return 0;
@@ -1068,9 +1089,25 @@ static struct snd_soc_codec_driver soc_codec_dev_wm8985 = {
.suspend = wm8985_suspend,
.resume = wm8985_resume,
.set_bias_level = wm8985_set_bias_level,
- .reg_cache_size = ARRAY_SIZE(wm8985_reg_defs),
- .reg_word_size = sizeof(u16),
- .reg_cache_default = wm8985_reg_defs
+
+ .controls = wm8985_snd_controls,
+ .num_controls = ARRAY_SIZE(wm8985_snd_controls),
+ .dapm_widgets = wm8985_dapm_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(wm8985_dapm_widgets),
+ .dapm_routes = wm8985_dapm_routes,
+ .num_dapm_routes = ARRAY_SIZE(wm8985_dapm_routes),
+};
+
+static const struct regmap_config wm8985_regmap = {
+ .reg_bits = 7,
+ .val_bits = 9,
+
+ .max_register = WM8985_MAX_REGISTER,
+ .writeable_reg = wm8985_writeable,
+
+ .cache_type = REGCACHE_RBTREE,
+ .reg_defaults = wm8985_reg_defaults,
+ .num_reg_defaults = ARRAY_SIZE(wm8985_reg_defaults),
};
#if defined(CONFIG_SPI_MASTER)
@@ -1079,24 +1116,39 @@ static int __devinit wm8985_spi_probe(struct spi_device *spi)
struct wm8985_priv *wm8985;
int ret;
- wm8985 = kzalloc(sizeof *wm8985, GFP_KERNEL);
+ wm8985 = devm_kzalloc(&spi->dev, sizeof *wm8985, GFP_KERNEL);
if (!wm8985)
return -ENOMEM;
- wm8985->control_type = SND_SOC_SPI;
spi_set_drvdata(spi, wm8985);
+ wm8985->regmap = regmap_init_spi(spi, &wm8985_regmap);
+ if (IS_ERR(wm8985->regmap)) {
+ ret = PTR_ERR(wm8985->regmap);
+ dev_err(&spi->dev, "Failed to allocate register map: %d\n",
+ ret);
+ goto err;
+ }
+
ret = snd_soc_register_codec(&spi->dev,
&soc_codec_dev_wm8985, &wm8985_dai, 1);
- if (ret < 0)
- kfree(wm8985);
+ if (ret != 0)
+ goto err;
+
+ return 0;
+
+err:
+ regmap_exit(wm8985->regmap);
return ret;
}
static int __devexit wm8985_spi_remove(struct spi_device *spi)
{
+ struct wm8985_priv *wm8985 = spi_get_drvdata(spi);
+
snd_soc_unregister_codec(&spi->dev);
- kfree(spi_get_drvdata(spi));
+ regmap_exit(wm8985->regmap);
+
return 0;
}
@@ -1117,24 +1169,39 @@ static __devinit int wm8985_i2c_probe(struct i2c_client *i2c,
struct wm8985_priv *wm8985;
int ret;
- wm8985 = kzalloc(sizeof *wm8985, GFP_KERNEL);
+ wm8985 = devm_kzalloc(&i2c->dev, sizeof *wm8985, GFP_KERNEL);
if (!wm8985)
return -ENOMEM;
- wm8985->control_type = SND_SOC_I2C;
i2c_set_clientdata(i2c, wm8985);
+ wm8985->regmap = regmap_init_i2c(i2c, &wm8985_regmap);
+ if (IS_ERR(wm8985->regmap)) {
+ ret = PTR_ERR(wm8985->regmap);
+ dev_err(&i2c->dev, "Failed to allocate register map: %d\n",
+ ret);
+ goto err;
+ }
+
ret = snd_soc_register_codec(&i2c->dev,
&soc_codec_dev_wm8985, &wm8985_dai, 1);
- if (ret < 0)
- kfree(wm8985);
+ if (ret != 0)
+ goto err;
+
+ return 0;
+
+err:
+ regmap_exit(wm8985->regmap);
return ret;
}
-static __devexit int wm8985_i2c_remove(struct i2c_client *client)
+static __devexit int wm8985_i2c_remove(struct i2c_client *i2c)
{
- snd_soc_unregister_codec(&client->dev);
- kfree(i2c_get_clientdata(client));
+ struct wm8985_priv *wm8985 = i2c_get_clientdata(i2c);
+
+ snd_soc_unregister_codec(&i2c->dev);
+ regmap_exit(wm8985->regmap);
+
return 0;
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-29 05:38:57 +0100