aboutsummaryrefslogtreecommitdiffstats
path: root/sound/soc/codecs/wm8991.c
diff options
context:
space:
mode:
Diffstat (limited to 'sound/soc/codecs/wm8991.c')
-rw-r--r--sound/soc/codecs/wm8991.c293
1 files changed, 153 insertions, 140 deletions
diff --git a/sound/soc/codecs/wm8991.c b/sound/soc/codecs/wm8991.c
index 3a39df7a3829..dba0306c42a5 100644
--- a/sound/soc/codecs/wm8991.c
+++ b/sound/soc/codecs/wm8991.c
@@ -18,6 +18,7 @@
#include <linux/delay.h>
#include <linux/pm.h>
#include <linux/i2c.h>
+#include <linux/regmap.h>
#include <linux/slab.h>
#include <sound/core.h>
#include <sound/pcm.h>
@@ -31,77 +32,84 @@
#include "wm8991.h"
struct wm8991_priv {
- enum snd_soc_control_type control_type;
+ struct regmap *regmap;
unsigned int pcmclk;
};
-static const u16 wm8991_reg_defs[] = {
- 0x8991, /* R0 - Reset */
- 0x0000, /* R1 - Power Management (1) */
- 0x6000, /* R2 - Power Management (2) */
- 0x0000, /* R3 - Power Management (3) */
- 0x4050, /* R4 - Audio Interface (1) */
- 0x4000, /* R5 - Audio Interface (2) */
- 0x01C8, /* R6 - Clocking (1) */
- 0x0000, /* R7 - Clocking (2) */
- 0x0040, /* R8 - Audio Interface (3) */
- 0x0040, /* R9 - Audio Interface (4) */
- 0x0004, /* R10 - DAC CTRL */
- 0x00C0, /* R11 - Left DAC Digital Volume */
- 0x00C0, /* R12 - Right DAC Digital Volume */
- 0x0000, /* R13 - Digital Side Tone */
- 0x0100, /* R14 - ADC CTRL */
- 0x00C0, /* R15 - Left ADC Digital Volume */
- 0x00C0, /* R16 - Right ADC Digital Volume */
- 0x0000, /* R17 */
- 0x0000, /* R18 - GPIO CTRL 1 */
- 0x1000, /* R19 - GPIO1 & GPIO2 */
- 0x1010, /* R20 - GPIO3 & GPIO4 */
- 0x1010, /* R21 - GPIO5 & GPIO6 */
- 0x8000, /* R22 - GPIOCTRL 2 */
- 0x0800, /* R23 - GPIO_POL */
- 0x008B, /* R24 - Left Line Input 1&2 Volume */
- 0x008B, /* R25 - Left Line Input 3&4 Volume */
- 0x008B, /* R26 - Right Line Input 1&2 Volume */
- 0x008B, /* R27 - Right Line Input 3&4 Volume */
- 0x0000, /* R28 - Left Output Volume */
- 0x0000, /* R29 - Right Output Volume */
- 0x0066, /* R30 - Line Outputs Volume */
- 0x0022, /* R31 - Out3/4 Volume */
- 0x0079, /* R32 - Left OPGA Volume */
- 0x0079, /* R33 - Right OPGA Volume */
- 0x0003, /* R34 - Speaker Volume */
- 0x0003, /* R35 - ClassD1 */
- 0x0000, /* R36 */
- 0x0100, /* R37 - ClassD3 */
- 0x0000, /* R38 */
- 0x0000, /* R39 - Input Mixer1 */
- 0x0000, /* R40 - Input Mixer2 */
- 0x0000, /* R41 - Input Mixer3 */
- 0x0000, /* R42 - Input Mixer4 */
- 0x0000, /* R43 - Input Mixer5 */
- 0x0000, /* R44 - Input Mixer6 */
- 0x0000, /* R45 - Output Mixer1 */
- 0x0000, /* R46 - Output Mixer2 */
- 0x0000, /* R47 - Output Mixer3 */
- 0x0000, /* R48 - Output Mixer4 */
- 0x0000, /* R49 - Output Mixer5 */
- 0x0000, /* R50 - Output Mixer6 */
- 0x0180, /* R51 - Out3/4 Mixer */
- 0x0000, /* R52 - Line Mixer1 */
- 0x0000, /* R53 - Line Mixer2 */
- 0x0000, /* R54 - Speaker Mixer */
- 0x0000, /* R55 - Additional Control */
- 0x0000, /* R56 - AntiPOP1 */
- 0x0000, /* R57 - AntiPOP2 */
- 0x0000, /* R58 - MICBIAS */
- 0x0000, /* R59 */
- 0x0008, /* R60 - PLL1 */
- 0x0031, /* R61 - PLL2 */
- 0x0026, /* R62 - PLL3 */
+static const struct reg_default wm8991_reg_defaults[] = {
+ { 1, 0x0000 }, /* R1 - Power Management (1) */
+ { 2, 0x6000 }, /* R2 - Power Management (2) */
+ { 3, 0x0000 }, /* R3 - Power Management (3) */
+ { 4, 0x4050 }, /* R4 - Audio Interface (1) */
+ { 5, 0x4000 }, /* R5 - Audio Interface (2) */
+ { 6, 0x01C8 }, /* R6 - Clocking (1) */
+ { 7, 0x0000 }, /* R7 - Clocking (2) */
+ { 8, 0x0040 }, /* R8 - Audio Interface (3) */
+ { 9, 0x0040 }, /* R9 - Audio Interface (4) */
+ { 10, 0x0004 }, /* R10 - DAC CTRL */
+ { 11, 0x00C0 }, /* R11 - Left DAC Digital Volume */
+ { 12, 0x00C0 }, /* R12 - Right DAC Digital Volume */
+ { 13, 0x0000 }, /* R13 - Digital Side Tone */
+ { 14, 0x0100 }, /* R14 - ADC CTRL */
+ { 15, 0x00C0 }, /* R15 - Left ADC Digital Volume */
+ { 16, 0x00C0 }, /* R16 - Right ADC Digital Volume */
+
+ { 18, 0x0000 }, /* R18 - GPIO CTRL 1 */
+ { 19, 0x1000 }, /* R19 - GPIO1 & GPIO2 */
+ { 20, 0x1010 }, /* R20 - GPIO3 & GPIO4 */
+ { 21, 0x1010 }, /* R21 - GPIO5 & GPIO6 */
+ { 22, 0x8000 }, /* R22 - GPIOCTRL 2 */
+ { 23, 0x0800 }, /* R23 - GPIO_POL */
+ { 24, 0x008B }, /* R24 - Left Line Input 1&2 Volume */
+ { 25, 0x008B }, /* R25 - Left Line Input 3&4 Volume */
+ { 26, 0x008B }, /* R26 - Right Line Input 1&2 Volume */
+ { 27, 0x008B }, /* R27 - Right Line Input 3&4 Volume */
+ { 28, 0x0000 }, /* R28 - Left Output Volume */
+ { 29, 0x0000 }, /* R29 - Right Output Volume */
+ { 30, 0x0066 }, /* R30 - Line Outputs Volume */
+ { 31, 0x0022 }, /* R31 - Out3/4 Volume */
+ { 32, 0x0079 }, /* R32 - Left OPGA Volume */
+ { 33, 0x0079 }, /* R33 - Right OPGA Volume */
+ { 34, 0x0003 }, /* R34 - Speaker Volume */
+ { 35, 0x0003 }, /* R35 - ClassD1 */
+
+ { 37, 0x0100 }, /* R37 - ClassD3 */
+
+ { 39, 0x0000 }, /* R39 - Input Mixer1 */
+ { 40, 0x0000 }, /* R40 - Input Mixer2 */
+ { 41, 0x0000 }, /* R41 - Input Mixer3 */
+ { 42, 0x0000 }, /* R42 - Input Mixer4 */
+ { 43, 0x0000 }, /* R43 - Input Mixer5 */
+ { 44, 0x0000 }, /* R44 - Input Mixer6 */
+ { 45, 0x0000 }, /* R45 - Output Mixer1 */
+ { 46, 0x0000 }, /* R46 - Output Mixer2 */
+ { 47, 0x0000 }, /* R47 - Output Mixer3 */
+ { 48, 0x0000 }, /* R48 - Output Mixer4 */
+ { 49, 0x0000 }, /* R49 - Output Mixer5 */
+ { 50, 0x0000 }, /* R50 - Output Mixer6 */
+ { 51, 0x0180 }, /* R51 - Out3/4 Mixer */
+ { 52, 0x0000 }, /* R52 - Line Mixer1 */
+ { 53, 0x0000 }, /* R53 - Line Mixer2 */
+ { 54, 0x0000 }, /* R54 - Speaker Mixer */
+ { 55, 0x0000 }, /* R55 - Additional Control */
+ { 56, 0x0000 }, /* R56 - AntiPOP1 */
+ { 57, 0x0000 }, /* R57 - AntiPOP2 */
+ { 58, 0x0000 }, /* R58 - MICBIAS */
+
+ { 60, 0x0008 }, /* R60 - PLL1 */
+ { 61, 0x0031 }, /* R61 - PLL2 */
+ { 62, 0x0026 }, /* R62 - PLL3 */
};
-#define wm8991_reset(c) snd_soc_write(c, WM8991_RESET, 0)
+static bool wm8991_volatile(struct device *dev, unsigned int reg)
+{
+ switch (reg) {
+ case WM8991_RESET:
+ return true;
+ default:
+ return false;
+ }
+}
static const unsigned int rec_mix_tlv[] = {
TLV_DB_RANGE_HEAD(1),
@@ -374,30 +382,6 @@ static const struct snd_kcontrol_new wm8991_snd_controls[] = {
/*
* _DAPM_ Controls
*/
-static int inmixer_event(struct snd_soc_dapm_widget *w,
- struct snd_kcontrol *kcontrol, int event)
-{
- u16 reg, fakepower;
-
- reg = snd_soc_read(w->codec, WM8991_POWER_MANAGEMENT_2);
- fakepower = snd_soc_read(w->codec, WM8991_INTDRIVBITS);
-
- if (fakepower & ((1 << WM8991_INMIXL_PWR_BIT) |
- (1 << WM8991_AINLMUX_PWR_BIT)))
- reg |= WM8991_AINL_ENA;
- else
- reg &= ~WM8991_AINL_ENA;
-
- if (fakepower & ((1 << WM8991_INMIXR_PWR_BIT) |
- (1 << WM8991_AINRMUX_PWR_BIT)))
- reg |= WM8991_AINR_ENA;
- else
- reg &= ~WM8991_AINR_ENA;
-
- snd_soc_write(w->codec, WM8991_POWER_MANAGEMENT_2, reg);
- return 0;
-}
-
static int outmixer_event(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event)
{
@@ -655,6 +639,11 @@ static const struct snd_soc_dapm_widget wm8991_dapm_widgets[] = {
SND_SOC_DAPM_INPUT("RIN2"),
SND_SOC_DAPM_INPUT("Internal ADC Source"),
+ SND_SOC_DAPM_SUPPLY("INL", WM8991_POWER_MANAGEMENT_2,
+ WM8991_AINL_ENA_BIT, 0, NULL, 0),
+ SND_SOC_DAPM_SUPPLY("INR", WM8991_POWER_MANAGEMENT_2,
+ WM8991_AINR_ENA_BIT, 0, NULL, 0),
+
/* DACs */
SND_SOC_DAPM_ADC("Left ADC", "Left Capture", WM8991_POWER_MANAGEMENT_2,
WM8991_ADCL_ENA_BIT, 0),
@@ -676,26 +665,22 @@ static const struct snd_soc_dapm_widget wm8991_dapm_widgets[] = {
ARRAY_SIZE(wm8991_dapm_rin34_pga_controls)),
/* INMIXL */
- SND_SOC_DAPM_MIXER_E("INMIXL", WM8991_INTDRIVBITS, WM8991_INMIXL_PWR_BIT, 0,
+ SND_SOC_DAPM_MIXER("INMIXL", SND_SOC_NOPM, 0, 0,
&wm8991_dapm_inmixl_controls[0],
- ARRAY_SIZE(wm8991_dapm_inmixl_controls),
- inmixer_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
+ ARRAY_SIZE(wm8991_dapm_inmixl_controls)),
/* AINLMUX */
- SND_SOC_DAPM_MUX_E("AINLMUX", WM8991_INTDRIVBITS, WM8991_AINLMUX_PWR_BIT, 0,
- &wm8991_dapm_ainlmux_controls, inmixer_event,
- SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
+ SND_SOC_DAPM_MUX("AINLMUX", SND_SOC_NOPM, 0, 0,
+ &wm8991_dapm_ainlmux_controls),
/* INMIXR */
- SND_SOC_DAPM_MIXER_E("INMIXR", WM8991_INTDRIVBITS, WM8991_INMIXR_PWR_BIT, 0,
+ SND_SOC_DAPM_MIXER("INMIXR", SND_SOC_NOPM, 0, 0,
&wm8991_dapm_inmixr_controls[0],
- ARRAY_SIZE(wm8991_dapm_inmixr_controls),
- inmixer_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
+ ARRAY_SIZE(wm8991_dapm_inmixr_controls)),
/* AINRMUX */
- SND_SOC_DAPM_MUX_E("AINRMUX", WM8991_INTDRIVBITS, WM8991_AINRMUX_PWR_BIT, 0,
- &wm8991_dapm_ainrmux_controls, inmixer_event,
- SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
+ SND_SOC_DAPM_MUX("AINRMUX", SND_SOC_NOPM, 0, 0,
+ &wm8991_dapm_ainrmux_controls),
/* Output Side */
/* DACs */
@@ -787,7 +772,7 @@ static const struct snd_soc_dapm_widget wm8991_dapm_widgets[] = {
SND_SOC_DAPM_OUTPUT("Internal DAC Sink"),
};
-static const struct snd_soc_dapm_route audio_map[] = {
+static const struct snd_soc_dapm_route wm8991_dapm_routes[] = {
/* Make DACs turn on when playing even if not mixed into any outputs */
{"Internal DAC Sink", NULL, "Left DAC"},
{"Internal DAC Sink", NULL, "Right DAC"},
@@ -797,6 +782,10 @@ static const struct snd_soc_dapm_route audio_map[] = {
{"Right ADC", NULL, "Internal ADC Source"},
/* Input Side */
+ {"INMIXL", NULL, "INL"},
+ {"AINLMUX", NULL, "INL"},
+ {"INMIXR", NULL, "INR"},
+ {"AINRMUX", NULL, "INR"},
/* LIN12 PGA */
{"LIN12 PGA", "LIN1 Switch", "LIN1"},
{"LIN12 PGA", "LIN2 Switch", "LIN2"},
@@ -1129,6 +1118,7 @@ static int wm8991_mute(struct snd_soc_dai *dai, int mute)
static int wm8991_set_bias_level(struct snd_soc_codec *codec,
enum snd_soc_bias_level level)
{
+ struct wm8991_priv *wm8991 = snd_soc_codec_get_drvdata(codec);
u16 val;
switch (level) {
@@ -1144,7 +1134,7 @@ static int wm8991_set_bias_level(struct snd_soc_codec *codec,
case SND_SOC_BIAS_STANDBY:
if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) {
- snd_soc_cache_sync(codec);
+ regcache_sync(wm8991->regmap);
/* Enable all output discharge bits */
snd_soc_write(codec, WM8991_ANTIPOP1, WM8991_DIS_LLINE |
WM8991_DIS_RLINE | WM8991_DIS_OUT3 |
@@ -1232,7 +1222,7 @@ static int wm8991_set_bias_level(struct snd_soc_codec *codec,
/* disable POBCTRL, SOFT_ST and BUFDCOPEN */
snd_soc_write(codec, WM8991_ANTIPOP2, 0x0);
- codec->cache_sync = 1;
+ regcache_mark_dirty(wm8991->regmap);
break;
}
@@ -1266,44 +1256,14 @@ static int wm8991_probe(struct snd_soc_codec *codec)
wm8991 = snd_soc_codec_get_drvdata(codec);
- ret = snd_soc_codec_set_cache_io(codec, 8, 16, wm8991->control_type);
+ ret = snd_soc_codec_set_cache_io(codec, 8, 16, SND_SOC_REGMAP);
if (ret < 0) {
dev_err(codec->dev, "Failed to set cache i/o: %d\n", ret);
return ret;
}
- ret = wm8991_reset(codec);
- if (ret < 0) {
- dev_err(codec->dev, "Failed to issue reset\n");
- return ret;
- }
-
wm8991_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
- snd_soc_update_bits(codec, WM8991_AUDIO_INTERFACE_4,
- WM8991_ALRCGPIO1, WM8991_ALRCGPIO1);
-
- snd_soc_update_bits(codec, WM8991_GPIO1_GPIO2,
- WM8991_GPIO1_SEL_MASK, 1);
-
- snd_soc_update_bits(codec, WM8991_POWER_MANAGEMENT_1,
- WM8991_VREF_ENA | WM8991_VMID_MODE_MASK,
- WM8991_VREF_ENA | WM8991_VMID_MODE_MASK);
-
- snd_soc_update_bits(codec, WM8991_POWER_MANAGEMENT_2,
- WM8991_OPCLK_ENA, WM8991_OPCLK_ENA);
-
- snd_soc_write(codec, WM8991_DAC_CTRL, 0);
- snd_soc_write(codec, WM8991_LEFT_OUTPUT_VOLUME, 0x50 | (1<<8));
- snd_soc_write(codec, WM8991_RIGHT_OUTPUT_VOLUME, 0x50 | (1<<8));
-
- snd_soc_add_codec_controls(codec, wm8991_snd_controls,
- ARRAY_SIZE(wm8991_snd_controls));
-
- snd_soc_dapm_new_controls(&codec->dapm, wm8991_dapm_widgets,
- ARRAY_SIZE(wm8991_dapm_widgets));
- snd_soc_dapm_add_routes(&codec->dapm, audio_map,
- ARRAY_SIZE(audio_map));
return 0;
}
@@ -1352,24 +1312,77 @@ static struct snd_soc_codec_driver soc_codec_dev_wm8991 = {
.suspend = wm8991_suspend,
.resume = wm8991_resume,
.set_bias_level = wm8991_set_bias_level,
- .reg_cache_size = WM8991_MAX_REGISTER + 1,
- .reg_word_size = sizeof(u16),
- .reg_cache_default = wm8991_reg_defs
+ .controls = wm8991_snd_controls,
+ .num_controls = ARRAY_SIZE(wm8991_snd_controls),
+ .dapm_widgets = wm8991_dapm_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(wm8991_dapm_widgets),
+ .dapm_routes = wm8991_dapm_routes,
+ .num_dapm_routes = ARRAY_SIZE(wm8991_dapm_routes),
+};
+
+static const struct regmap_config wm8991_regmap = {
+ .reg_bits = 8,
+ .val_bits = 16,
+
+ .max_register = WM8991_PLL3,
+ .volatile_reg = wm8991_volatile,
+ .reg_defaults = wm8991_reg_defaults,
+ .num_reg_defaults = ARRAY_SIZE(wm8991_reg_defaults),
+ .cache_type = REGCACHE_RBTREE,
};
static int wm8991_i2c_probe(struct i2c_client *i2c,
const struct i2c_device_id *id)
{
struct wm8991_priv *wm8991;
+ unsigned int val;
int ret;
wm8991 = devm_kzalloc(&i2c->dev, sizeof(*wm8991), GFP_KERNEL);
if (!wm8991)
return -ENOMEM;
- wm8991->control_type = SND_SOC_I2C;
+ wm8991->regmap = devm_regmap_init_i2c(i2c, &wm8991_regmap);
+ if (IS_ERR(wm8991->regmap))
+ return PTR_ERR(wm8991->regmap);
+
i2c_set_clientdata(i2c, wm8991);
+ ret = regmap_read(wm8991->regmap, WM8991_RESET, &val);
+ if (ret != 0) {
+ dev_err(&i2c->dev, "Failed to read device ID: %d\n", ret);
+ return ret;
+ }
+ if (val != 0x8991) {
+ dev_err(&i2c->dev, "Device with ID %x is not a WM8991\n", val);
+ return -EINVAL;
+ }
+
+ ret = regmap_write(wm8991->regmap, WM8991_RESET, 0);
+ if (ret < 0) {
+ dev_err(&i2c->dev, "Failed to issue reset: %d\n", ret);
+ return ret;
+ }
+
+ regmap_update_bits(wm8991->regmap, WM8991_AUDIO_INTERFACE_4,
+ WM8991_ALRCGPIO1, WM8991_ALRCGPIO1);
+
+ regmap_update_bits(wm8991->regmap, WM8991_GPIO1_GPIO2,
+ WM8991_GPIO1_SEL_MASK, 1);
+
+ regmap_update_bits(wm8991->regmap, WM8991_POWER_MANAGEMENT_1,
+ WM8991_VREF_ENA | WM8991_VMID_MODE_MASK,
+ WM8991_VREF_ENA | WM8991_VMID_MODE_MASK);
+
+ regmap_update_bits(wm8991->regmap, WM8991_POWER_MANAGEMENT_2,
+ WM8991_OPCLK_ENA, WM8991_OPCLK_ENA);
+
+ regmap_write(wm8991->regmap, WM8991_DAC_CTRL, 0);
+ regmap_write(wm8991->regmap, WM8991_LEFT_OUTPUT_VOLUME,
+ 0x50 | (1<<8));
+ regmap_write(wm8991->regmap, WM8991_RIGHT_OUTPUT_VOLUME,
+ 0x50 | (1<<8));
+
ret = snd_soc_register_codec(&i2c->dev,
&soc_codec_dev_wm8991, &wm8991_dai, 1);
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.