Signed-off-by: Mark Brown broonie@opensource.wolfsonmicro.com --- sound/soc/codecs/wm8985.c | 253 +++++++++++++++++++++++++++++++-------------- 1 files changed, 177 insertions(+), 76 deletions(-)
diff --git a/sound/soc/codecs/wm8985.c b/sound/soc/codecs/wm8985.c index bbe19b2..14f6663 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; @@ -860,7 +915,7 @@ static int wm8985_set_bias_level(struct snd_soc_codec *codec, return ret; }
- snd_soc_cache_sync(codec); + regcache_sync(wm8985->regmap);
/* enable anti-pop features */ snd_soc_update_bits(codec, WM8985_OUT4_TO_ADC, @@ -903,7 +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); @@ -948,8 +1003,9 @@ static int wm8985_probe(struct snd_soc_codec *codec) int ret;
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; @@ -1037,14 +1093,23 @@ static struct snd_soc_codec_driver soc_codec_dev_wm8985 = { .controls = wm8985_snd_controls, .num_controls = ARRAY_SIZE(wm8985_snd_controls), .dapm_widgets = wm8985_dapm_widgets, - .reg_cache_size = ARRAY_SIZE(wm8985_reg_defs), - .reg_word_size = sizeof(u16), - .reg_cache_default = wm8985_reg_defs .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) static int __devinit wm8985_spi_probe(struct spi_device *spi) { @@ -1055,17 +1120,35 @@ static int __devinit wm8985_spi_probe(struct spi_device *spi) 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) + 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); + regmap_exit(wm8985->regmap); + return 0; }
@@ -1090,17 +1173,35 @@ static __devinit int wm8985_i2c_probe(struct i2c_client *i2c, 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) + 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); + struct wm8985_priv *wm8985 = i2c_get_clientdata(i2c); + + snd_soc_unregister_codec(&i2c->dev); + regmap_exit(wm8985->regmap); + return 0; }