diff options
Diffstat (limited to 'sound/soc/codecs/wm8988.c')
| -rw-r--r-- | sound/soc/codecs/wm8988.c | 171 |
1 files changed, 134 insertions, 37 deletions
diff --git a/sound/soc/codecs/wm8988.c b/sound/soc/codecs/wm8988.c index ab52963dd04..6cdf6a2bc28 100644 --- a/sound/soc/codecs/wm8988.c +++ b/sound/soc/codecs/wm8988.c @@ -33,24 +33,89 @@ * We can't read the WM8988 register space when we * are using 2 wire for device control, so we cache them instead. */ -static const u16 wm8988_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 wm8988_reg_defaults[] = { + { 0, 0x0097 }, + { 1, 0x0097 }, + { 2, 0x0079 }, + { 3, 0x0079 }, + { 5, 0x0008 }, + { 7, 0x000a }, + { 8, 0x0000 }, + { 10, 0x00ff }, + { 11, 0x00ff }, + { 12, 0x000f }, + { 13, 0x000f }, + { 16, 0x0000 }, + { 17, 0x007b }, + { 18, 0x0000 }, + { 19, 0x0032 }, + { 20, 0x0000 }, + { 21, 0x00c3 }, + { 22, 0x00c3 }, + { 23, 0x00c0 }, + { 24, 0x0000 }, + { 25, 0x0000 }, + { 26, 0x0000 }, + { 27, 0x0000 }, + { 31, 0x0000 }, + { 32, 0x0000 }, + { 33, 0x0000 }, + { 34, 0x0050 }, + { 35, 0x0050 }, + { 36, 0x0050 }, + { 37, 0x0050 }, + { 40, 0x0079 }, + { 41, 0x0079 }, + { 42, 0x0079 }, }; +static bool wm8988_writeable(struct device *dev, unsigned int reg) +{ + switch (reg) { + case WM8988_LINVOL: + case WM8988_RINVOL: + case WM8988_LOUT1V: + case WM8988_ROUT1V: + case WM8988_ADCDAC: + case WM8988_IFACE: + case WM8988_SRATE: + case WM8988_LDAC: + case WM8988_RDAC: + case WM8988_BASS: + case WM8988_TREBLE: + case WM8988_RESET: + case WM8988_3D: + case WM8988_ALC1: + case WM8988_ALC2: + case WM8988_ALC3: + case WM8988_NGATE: + case WM8988_LADC: + case WM8988_RADC: + case WM8988_ADCTL1: + case WM8988_ADCTL2: + case WM8988_PWR1: + case WM8988_PWR2: + case WM8988_ADCTL3: + case WM8988_ADCIN: + case WM8988_LADCIN: + case WM8988_RADCIN: + case WM8988_LOUTM1: + case WM8988_LOUTM2: + case WM8988_ROUTM1: + case WM8988_ROUTM2: + case WM8988_LOUT2V: + case WM8988_ROUT2V: + case WM8988_LPPB: + return true; + default: + return false; + } +} + /* codec private data */ struct wm8988_priv { + struct regmap *regmap; unsigned int sysclk; - enum snd_soc_control_type control_type; struct snd_pcm_hw_constraint_list *sysclk_constraints; }; @@ -317,7 +382,7 @@ static const struct snd_soc_dapm_widget wm8988_dapm_widgets[] = { SND_SOC_DAPM_INPUT("RINPUT2"), }; -static const struct snd_soc_dapm_route audio_map[] = { +static const struct snd_soc_dapm_route wm8988_dapm_routes[] = { { "Left Line Mux", "Line 1", "LINPUT1" }, { "Left Line Mux", "Line 2", "LINPUT2" }, @@ -661,6 +726,7 @@ static int wm8988_mute(struct snd_soc_dai *dai, int mute) static int wm8988_set_bias_level(struct snd_soc_codec *codec, enum snd_soc_bias_level level) { + struct wm8988_priv *wm8988 = snd_soc_codec_get_drvdata(codec); u16 pwr_reg = snd_soc_read(codec, WM8988_PWR1) & ~0x1c1; switch (level) { @@ -674,7 +740,7 @@ static int wm8988_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(wm8988->regmap); /* VREF, VMID=2x5k */ snd_soc_write(codec, WM8988_PWR1, pwr_reg | 0x1c1); @@ -730,7 +796,10 @@ static struct snd_soc_dai_driver wm8988_dai = { static int wm8988_suspend(struct snd_soc_codec *codec) { + struct wm8988_priv *wm8988 = snd_soc_codec_get_drvdata(codec); + wm8988_set_bias_level(codec, SND_SOC_BIAS_OFF); + regcache_mark_dirty(wm8988->regmap); return 0; } @@ -743,10 +812,10 @@ static int wm8988_resume(struct snd_soc_codec *codec) static int wm8988_probe(struct snd_soc_codec *codec) { struct wm8988_priv *wm8988 = snd_soc_codec_get_drvdata(codec); - struct snd_soc_dapm_context *dapm = &codec->dapm; int ret = 0; - ret = snd_soc_codec_set_cache_io(codec, 7, 9, wm8988->control_type); + codec->control_data = wm8988->regmap; + 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; @@ -767,12 +836,6 @@ static int wm8988_probe(struct snd_soc_codec *codec) wm8988_set_bias_level(codec, SND_SOC_BIAS_STANDBY); - snd_soc_add_controls(codec, wm8988_snd_controls, - ARRAY_SIZE(wm8988_snd_controls)); - snd_soc_dapm_new_controls(dapm, wm8988_dapm_widgets, - ARRAY_SIZE(wm8988_dapm_widgets)); - snd_soc_dapm_add_routes(dapm, audio_map, ARRAY_SIZE(audio_map)); - return 0; } @@ -788,9 +851,25 @@ static struct snd_soc_codec_driver soc_codec_dev_wm8988 = { .suspend = wm8988_suspend, .resume = wm8988_resume, .set_bias_level = wm8988_set_bias_level, - .reg_cache_size = ARRAY_SIZE(wm8988_reg), - .reg_word_size = sizeof(u16), - .reg_cache_default = wm8988_reg, + + .controls = wm8988_snd_controls, + .num_controls = ARRAY_SIZE(wm8988_snd_controls), + .dapm_widgets = wm8988_dapm_widgets, + .num_dapm_widgets = ARRAY_SIZE(wm8988_dapm_widgets), + .dapm_routes = wm8988_dapm_routes, + .num_dapm_routes = ARRAY_SIZE(wm8988_dapm_routes), +}; + +static struct regmap_config wm8988_regmap = { + .reg_bits = 7, + .val_bits = 9, + + .max_register = WM8988_LPPB, + .writeable_reg = wm8988_writeable, + + .cache_type = REGCACHE_RBTREE, + .reg_defaults = wm8988_reg_defaults, + .num_reg_defaults = ARRAY_SIZE(wm8988_reg_defaults), }; #if defined(CONFIG_SPI_MASTER) @@ -799,24 +878,33 @@ static int __devinit wm8988_spi_probe(struct spi_device *spi) struct wm8988_priv *wm8988; int ret; - wm8988 = kzalloc(sizeof(struct wm8988_priv), GFP_KERNEL); + wm8988 = devm_kzalloc(&spi->dev, sizeof(struct wm8988_priv), + GFP_KERNEL); if (wm8988 == NULL) return -ENOMEM; - wm8988->control_type = SND_SOC_SPI; + wm8988->regmap = regmap_init_spi(spi, &wm8988_regmap); + if (IS_ERR(wm8988->regmap)) { + ret = PTR_ERR(wm8988->regmap); + dev_err(&spi->dev, "Failed to init regmap: %d\n", ret); + return ret; + } + spi_set_drvdata(spi, wm8988); ret = snd_soc_register_codec(&spi->dev, &soc_codec_dev_wm8988, &wm8988_dai, 1); - if (ret < 0) - kfree(wm8988); + if (ret != 0) + regmap_exit(wm8988->regmap); + return ret; } static int __devexit wm8988_spi_remove(struct spi_device *spi) { + struct wm8988_priv *wm8988 = spi_get_drvdata(spi); snd_soc_unregister_codec(&spi->dev); - kfree(spi_get_drvdata(spi)); + regmap_exit(wm8988->regmap); return 0; } @@ -837,24 +925,33 @@ static __devinit int wm8988_i2c_probe(struct i2c_client *i2c, struct wm8988_priv *wm8988; int ret; - wm8988 = kzalloc(sizeof(struct wm8988_priv), GFP_KERNEL); + wm8988 = devm_kzalloc(&i2c->dev, sizeof(struct wm8988_priv), + GFP_KERNEL); if (wm8988 == NULL) return -ENOMEM; i2c_set_clientdata(i2c, wm8988); - wm8988->control_type = SND_SOC_I2C; + + wm8988->regmap = regmap_init_i2c(i2c, &wm8988_regmap); + if (IS_ERR(wm8988->regmap)) { + ret = PTR_ERR(wm8988->regmap); + dev_err(&i2c->dev, "Failed to init regmap: %d\n", ret); + return ret; + } ret = snd_soc_register_codec(&i2c->dev, &soc_codec_dev_wm8988, &wm8988_dai, 1); - if (ret < 0) - kfree(wm8988); + if (ret != 0) + regmap_exit(wm8988->regmap); + return ret; } static __devexit int wm8988_i2c_remove(struct i2c_client *client) { + struct wm8988_priv *wm8988 = i2c_get_clientdata(client); snd_soc_unregister_codec(&client->dev); - kfree(i2c_get_clientdata(client)); + regmap_exit(wm8988->regmap); return 0; } @@ -866,7 +963,7 @@ MODULE_DEVICE_TABLE(i2c, wm8988_i2c_id); static struct i2c_driver wm8988_i2c_driver = { .driver = { - .name = "wm8988-codec", + .name = "wm8988", .owner = THIS_MODULE, }, .probe = wm8988_i2c_probe, |