Signed-off-by: Mark Brown broonie@opensource.wolfsonmicro.com --- sound/soc/codecs/wm9090.c | 242 ++++++++++++++++++++++++--------------------- 1 files changed, 128 insertions(+), 114 deletions(-)
diff --git a/sound/soc/codecs/wm9090.c b/sound/soc/codecs/wm9090.c index 41ebe0d..4be5551 100644 --- a/sound/soc/codecs/wm9090.c +++ b/sound/soc/codecs/wm9090.c @@ -25,6 +25,7 @@ #include <linux/device.h> #include <linux/i2c.h> #include <linux/delay.h> +#include <linux/regmap.h> #include <linux/slab.h> #include <sound/initval.h> #include <sound/soc.h> @@ -33,116 +34,51 @@
#include "wm9090.h"
-static const u16 wm9090_reg_defaults[] = { - 0x9093, /* R0 - Software Reset */ - 0x0006, /* R1 - Power Management (1) */ - 0x6000, /* R2 - Power Management (2) */ - 0x0000, /* R3 - Power Management (3) */ - 0x0000, /* R4 */ - 0x0000, /* R5 */ - 0x01C0, /* R6 - Clocking 1 */ - 0x0000, /* R7 */ - 0x0000, /* R8 */ - 0x0000, /* R9 */ - 0x0000, /* R10 */ - 0x0000, /* R11 */ - 0x0000, /* R12 */ - 0x0000, /* R13 */ - 0x0000, /* R14 */ - 0x0000, /* R15 */ - 0x0000, /* R16 */ - 0x0000, /* R17 */ - 0x0000, /* R18 */ - 0x0000, /* R19 */ - 0x0000, /* R20 */ - 0x0000, /* R21 */ - 0x0003, /* R22 - IN1 Line Control */ - 0x0003, /* R23 - IN2 Line Control */ - 0x0083, /* R24 - IN1 Line Input A Volume */ - 0x0083, /* R25 - IN1 Line Input B Volume */ - 0x0083, /* R26 - IN2 Line Input A Volume */ - 0x0083, /* R27 - IN2 Line Input B Volume */ - 0x002D, /* R28 - Left Output Volume */ - 0x002D, /* R29 - Right Output Volume */ - 0x0000, /* R30 */ - 0x0000, /* R31 */ - 0x0000, /* R32 */ - 0x0000, /* R33 */ - 0x0100, /* R34 - SPKMIXL Attenuation */ - 0x0000, /* R35 */ - 0x0010, /* R36 - SPKOUT Mixers */ - 0x0140, /* R37 - ClassD3 */ - 0x0039, /* R38 - Speaker Volume Left */ - 0x0000, /* R39 */ - 0x0000, /* R40 */ - 0x0000, /* R41 */ - 0x0000, /* R42 */ - 0x0000, /* R43 */ - 0x0000, /* R44 */ - 0x0000, /* R45 - Output Mixer1 */ - 0x0000, /* R46 - Output Mixer2 */ - 0x0100, /* R47 - Output Mixer3 */ - 0x0100, /* R48 - Output Mixer4 */ - 0x0000, /* R49 */ - 0x0000, /* R50 */ - 0x0000, /* R51 */ - 0x0000, /* R52 */ - 0x0000, /* R53 */ - 0x0000, /* R54 - Speaker Mixer */ - 0x0000, /* R55 */ - 0x0000, /* R56 */ - 0x000D, /* R57 - AntiPOP2 */ - 0x0000, /* R58 */ - 0x0000, /* R59 */ - 0x0000, /* R60 */ - 0x0000, /* R61 */ - 0x0000, /* R62 */ - 0x0000, /* R63 */ - 0x0000, /* R64 */ - 0x0000, /* R65 */ - 0x0000, /* R66 */ - 0x0000, /* R67 */ - 0x0000, /* R68 */ - 0x0000, /* R69 */ - 0x0000, /* R70 - Write Sequencer 0 */ - 0x0000, /* R71 - Write Sequencer 1 */ - 0x0000, /* R72 - Write Sequencer 2 */ - 0x0000, /* R73 - Write Sequencer 3 */ - 0x0000, /* R74 - Write Sequencer 4 */ - 0x0000, /* R75 - Write Sequencer 5 */ - 0x1F25, /* R76 - Charge Pump 1 */ - 0x0000, /* R77 */ - 0x0000, /* R78 */ - 0x0000, /* R79 */ - 0x0000, /* R80 */ - 0x0000, /* R81 */ - 0x0000, /* R82 */ - 0x0000, /* R83 */ - 0x0000, /* R84 - DC Servo 0 */ - 0x054A, /* R85 - DC Servo 1 */ - 0x0000, /* R86 */ - 0x0000, /* R87 - DC Servo 3 */ - 0x0000, /* R88 - DC Servo Readback 0 */ - 0x0000, /* R89 - DC Servo Readback 1 */ - 0x0000, /* R90 - DC Servo Readback 2 */ - 0x0000, /* R91 */ - 0x0000, /* R92 */ - 0x0000, /* R93 */ - 0x0000, /* R94 */ - 0x0000, /* R95 */ - 0x0100, /* R96 - Analogue HP 0 */ - 0x0000, /* R97 */ - 0x8640, /* R98 - AGC Control 0 */ - 0xC000, /* R99 - AGC Control 1 */ - 0x0200, /* R100 - AGC Control 2 */ +static const struct reg_default wm9090_reg_defaults[] = { + { 1, 0x0006 }, /* R1 - Power Management (1) */ + { 2, 0x6000 }, /* R2 - Power Management (2) */ + { 3, 0x0000 }, /* R3 - Power Management (3) */ + { 6, 0x01C0 }, /* R6 - Clocking 1 */ + { 22, 0x0003 }, /* R22 - IN1 Line Control */ + { 23, 0x0003 }, /* R23 - IN2 Line Control */ + { 24, 0x0083 }, /* R24 - IN1 Line Input A Volume */ + { 25, 0x0083 }, /* R25 - IN1 Line Input B Volume */ + { 26, 0x0083 }, /* R26 - IN2 Line Input A Volume */ + { 27, 0x0083 }, /* R27 - IN2 Line Input B Volume */ + { 28, 0x002D }, /* R28 - Left Output Volume */ + { 29, 0x002D }, /* R29 - Right Output Volume */ + { 34, 0x0100 }, /* R34 - SPKMIXL Attenuation */ + { 35, 0x0010 }, /* R36 - SPKOUT Mixers */ + { 37, 0x0140 }, /* R37 - ClassD3 */ + { 38, 0x0039 }, /* R38 - Speaker Volume Left */ + { 45, 0x0000 }, /* R45 - Output Mixer1 */ + { 46, 0x0000 }, /* R46 - Output Mixer2 */ + { 47, 0x0100 }, /* R47 - Output Mixer3 */ + { 48, 0x0100 }, /* R48 - Output Mixer4 */ + { 54, 0x0000 }, /* R54 - Speaker Mixer */ + { 57, 0x000D }, /* R57 - AntiPOP2 */ + { 70, 0x0000 }, /* R70 - Write Sequencer 0 */ + { 71, 0x0000 }, /* R71 - Write Sequencer 1 */ + { 72, 0x0000 }, /* R72 - Write Sequencer 2 */ + { 73, 0x0000 }, /* R73 - Write Sequencer 3 */ + { 74, 0x0000 }, /* R74 - Write Sequencer 4 */ + { 75, 0x0000 }, /* R75 - Write Sequencer 5 */ + { 76, 0x1F25 }, /* R76 - Charge Pump 1 */ + { 85, 0x054A }, /* R85 - DC Servo 1 */ + { 87, 0x0000 }, /* R87 - DC Servo 3 */ + { 96, 0x0100 }, /* R96 - Analogue HP 0 */ + { 98, 0x8640 }, /* R98 - AGC Control 0 */ + { 99, 0xC000 }, /* R99 - AGC Control 1 */ + { 100, 0x0200 }, /* R100 - AGC Control 2 */ };
/* This struct is used to save the context */ struct wm9090_priv { struct wm9090_platform_data pdata; + struct regmap *regmap; };
-static int wm9090_volatile(struct snd_soc_codec *codec, unsigned int reg) +static bool wm9090_volatile(struct device *dev, unsigned int reg) { switch (reg) { case WM9090_SOFTWARE_RESET: @@ -150,10 +86,60 @@ static int wm9090_volatile(struct snd_soc_codec *codec, unsigned int reg) case WM9090_DC_SERVO_READBACK_0: case WM9090_DC_SERVO_READBACK_1: case WM9090_DC_SERVO_READBACK_2: - return 1; + return true;
default: - return 0; + return false; + } +} + +static bool wm9090_readable(struct device *dev, unsigned int reg) +{ + switch (reg) { + case WM9090_SOFTWARE_RESET: + case WM9090_POWER_MANAGEMENT_1: + case WM9090_POWER_MANAGEMENT_2: + case WM9090_POWER_MANAGEMENT_3: + case WM9090_CLOCKING_1: + case WM9090_IN1_LINE_CONTROL: + case WM9090_IN2_LINE_CONTROL: + case WM9090_IN1_LINE_INPUT_A_VOLUME: + case WM9090_IN1_LINE_INPUT_B_VOLUME: + case WM9090_IN2_LINE_INPUT_A_VOLUME: + case WM9090_IN2_LINE_INPUT_B_VOLUME: + case WM9090_LEFT_OUTPUT_VOLUME: + case WM9090_RIGHT_OUTPUT_VOLUME: + case WM9090_SPKMIXL_ATTENUATION: + case WM9090_SPKOUT_MIXERS: + case WM9090_CLASSD3: + case WM9090_SPEAKER_VOLUME_LEFT: + case WM9090_OUTPUT_MIXER1: + case WM9090_OUTPUT_MIXER2: + case WM9090_OUTPUT_MIXER3: + case WM9090_OUTPUT_MIXER4: + case WM9090_SPEAKER_MIXER: + case WM9090_ANTIPOP2: + case WM9090_WRITE_SEQUENCER_0: + case WM9090_WRITE_SEQUENCER_1: + case WM9090_WRITE_SEQUENCER_2: + case WM9090_WRITE_SEQUENCER_3: + case WM9090_WRITE_SEQUENCER_4: + case WM9090_WRITE_SEQUENCER_5: + case WM9090_CHARGE_PUMP_1: + case WM9090_DC_SERVO_0: + case WM9090_DC_SERVO_1: + case WM9090_DC_SERVO_3: + case WM9090_DC_SERVO_READBACK_0: + case WM9090_DC_SERVO_READBACK_1: + case WM9090_DC_SERVO_READBACK_2: + case WM9090_ANALOGUE_HP_0: + case WM9090_AGC_CONTROL_0: + case WM9090_AGC_CONTROL_1: + case WM9090_AGC_CONTROL_2: + return true; + + default: + return false; } }
@@ -492,8 +478,7 @@ static int wm9090_add_controls(struct snd_soc_codec *codec) static int wm9090_set_bias_level(struct snd_soc_codec *codec, enum snd_soc_bias_level level) { - u16 *reg_cache = codec->reg_cache; - int i, ret; + struct wm9090_priv *wm9090 = snd_soc_codec_get_drvdata(codec);
switch (level) { case SND_SOC_BIAS_ON: @@ -513,7 +498,7 @@ static int wm9090_set_bias_level(struct snd_soc_codec *codec, case SND_SOC_BIAS_STANDBY: if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) { /* Restore the register cache */ - snd_soc_cache_sync(codec); + regcache_sync(wm9090->regmap); }
/* We keep VMID off during standby since the combination of @@ -537,9 +522,11 @@ static int wm9090_set_bias_level(struct snd_soc_codec *codec,
static int wm9090_probe(struct snd_soc_codec *codec) { + struct wm9090_priv *wm9090 = dev_get_drvdata(codec->dev); int ret;
- ret = snd_soc_codec_set_cache_io(codec, 8, 16, SND_SOC_I2C); + codec->control_data = wm9090->regmap; + 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; @@ -548,7 +535,7 @@ static int wm9090_probe(struct snd_soc_codec *codec) ret = snd_soc_read(codec, WM9090_SOFTWARE_RESET); if (ret < 0) return ret; - if (ret != wm9090_reg_defaults[WM9090_SOFTWARE_RESET]) { + if (ret != 0x9093) { dev_err(codec->dev, "Device is not a WM9090, ID=%x\n", ret); return -EINVAL; } @@ -624,12 +611,22 @@ static struct snd_soc_codec_driver soc_codec_dev_wm9090 = { .suspend = wm9090_suspend, .resume = wm9090_resume, .set_bias_level = wm9090_set_bias_level, - .reg_cache_size = (WM9090_MAX_REGISTER + 1), - .reg_word_size = sizeof(u16), - .reg_cache_default = wm9090_reg_defaults, - .volatile_register = wm9090_volatile, };
+static const struct regmap_config wm9090_regmap = { + .reg_bits = 8, + .val_bits = 16, + + .max_register = WM9090_MAX_REGISTER, + .volatile_reg = wm9090_volatile, + .readable_reg = wm9090_readable, + + .cache_type = REGCACHE_RBTREE, + .reg_defaults = wm9090_reg_defaults, + .num_reg_defaults = ARRAY_SIZE(wm9090_reg_defaults), +}; + + static int wm9090_i2c_probe(struct i2c_client *i2c, const struct i2c_device_id *id) { @@ -642,6 +639,13 @@ static int wm9090_i2c_probe(struct i2c_client *i2c, return -ENOMEM; }
+ wm9090->regmap = regmap_init_i2c(i2c, &wm9090_regmap); + if (IS_ERR(wm9090->regmap)) { + ret = PTR_ERR(wm9090->regmap); + dev_err(&i2c->dev, "Failed to allocate regmap: %d\n", ret); + return ret; + } + if (i2c->dev.platform_data) memcpy(&wm9090->pdata, i2c->dev.platform_data, sizeof(wm9090->pdata)); @@ -650,6 +654,15 @@ static int wm9090_i2c_probe(struct i2c_client *i2c,
ret = snd_soc_register_codec(&i2c->dev, &soc_codec_dev_wm9090, NULL, 0); + if (ret != 0) { + dev_err(&i2c->dev, "Failed to register CODEC: %d\n", ret); + goto err; + } + + return 0; + +err: + regmap_exit(wm9090->regmap); return ret; }
@@ -658,6 +671,7 @@ static int __devexit wm9090_i2c_remove(struct i2c_client *i2c) struct wm9090_priv *wm9090 = i2c_get_clientdata(i2c);
snd_soc_unregister_codec(&i2c->dev); + regmap_exit(wm9090->regmap);
return 0; }