diff options
Diffstat (limited to 'sound/soc/codecs/wm8753.c')
| -rw-r--r-- | sound/soc/codecs/wm8753.c | 219 |
1 files changed, 143 insertions, 76 deletions
diff --git a/sound/soc/codecs/wm8753.c b/sound/soc/codecs/wm8753.c index b114c19f530..53e57b4049a 100644 --- a/sound/soc/codecs/wm8753.c +++ b/sound/soc/codecs/wm8753.c @@ -1,7 +1,7 @@ /* * wm8753.c -- WM8753 ALSA Soc Audio driver * - * Copyright 2003 Wolfson Microelectronics PLC. + * Copyright 2003-11 Wolfson Microelectronics PLC. * Author: Liam Girdwood <lrg@slimlogic.co.uk> * * This program is free software; you can redistribute it and/or modify it @@ -39,6 +39,7 @@ #include <linux/pm.h> #include <linux/i2c.h> #include <linux/of_device.h> +#include <linux/regmap.h> #include <linux/spi/spi.h> #include <linux/slab.h> #include <sound/core.h> @@ -65,28 +66,86 @@ static int wm8753_voice_write_dai_fmt(struct snd_soc_codec *codec, * We can't read the WM8753 register space when we * are using 2 wire for device control, so we cache them instead. */ -static const u16 wm8753_reg[] = { - 0x0000, 0x0008, 0x0000, 0x000a, - 0x000a, 0x0033, 0x0000, 0x0007, - 0x00ff, 0x00ff, 0x000f, 0x000f, - 0x007b, 0x0000, 0x0032, 0x0000, - 0x00c3, 0x00c3, 0x00c0, 0x0000, - 0x0000, 0x0000, 0x0000, 0x0000, - 0x0000, 0x0000, 0x0000, 0x0000, - 0x0000, 0x0000, 0x0000, 0x0000, - 0x0055, 0x0005, 0x0050, 0x0055, - 0x0050, 0x0055, 0x0050, 0x0055, - 0x0079, 0x0079, 0x0079, 0x0079, - 0x0079, 0x0000, 0x0000, 0x0000, - 0x0000, 0x0097, 0x0097, 0x0000, - 0x0004, 0x0000, 0x0083, 0x0024, - 0x01ba, 0x0000, 0x0083, 0x0024, - 0x01ba, 0x0000, 0x0000, 0x0000 +static const struct reg_default wm8753_reg_defaults[] = { + { 0x00, 0x0000 }, + { 0x01, 0x0008 }, + { 0x02, 0x0000 }, + { 0x03, 0x000a }, + { 0x04, 0x000a }, + { 0x05, 0x0033 }, + { 0x06, 0x0000 }, + { 0x07, 0x0007 }, + { 0x08, 0x00ff }, + { 0x09, 0x00ff }, + { 0x0a, 0x000f }, + { 0x0b, 0x000f }, + { 0x0c, 0x007b }, + { 0x0d, 0x0000 }, + { 0x0e, 0x0032 }, + { 0x0f, 0x0000 }, + { 0x10, 0x00c3 }, + { 0x11, 0x00c3 }, + { 0x12, 0x00c0 }, + { 0x13, 0x0000 }, + { 0x14, 0x0000 }, + { 0x15, 0x0000 }, + { 0x16, 0x0000 }, + { 0x17, 0x0000 }, + { 0x18, 0x0000 }, + { 0x19, 0x0000 }, + { 0x1a, 0x0000 }, + { 0x1b, 0x0000 }, + { 0x1c, 0x0000 }, + { 0x1d, 0x0000 }, + { 0x1e, 0x0000 }, + { 0x1f, 0x0000 }, + { 0x20, 0x0055 }, + { 0x21, 0x0005 }, + { 0x22, 0x0050 }, + { 0x23, 0x0055 }, + { 0x24, 0x0050 }, + { 0x25, 0x0055 }, + { 0x26, 0x0050 }, + { 0x27, 0x0055 }, + { 0x28, 0x0079 }, + { 0x29, 0x0079 }, + { 0x2a, 0x0079 }, + { 0x2b, 0x0079 }, + { 0x2c, 0x0079 }, + { 0x2d, 0x0000 }, + { 0x2e, 0x0000 }, + { 0x2f, 0x0000 }, + { 0x30, 0x0000 }, + { 0x31, 0x0097 }, + { 0x32, 0x0097 }, + { 0x33, 0x0000 }, + { 0x34, 0x0004 }, + { 0x35, 0x0000 }, + { 0x36, 0x0083 }, + { 0x37, 0x0024 }, + { 0x38, 0x01ba }, + { 0x39, 0x0000 }, + { 0x3a, 0x0083 }, + { 0x3b, 0x0024 }, + { 0x3c, 0x01ba }, + { 0x3d, 0x0000 }, + { 0x3e, 0x0000 }, + { 0x3f, 0x0000 }, }; +static bool wm8753_volatile(struct device *dev, unsigned int reg) +{ + return reg == WM8753_RESET; +} + +static bool wm8753_writeable(struct device *dev, unsigned int reg) +{ + return reg <= WM8753_ADCTL2; +} + /* codec private data */ struct wm8753_priv { - enum snd_soc_control_type control_type; + struct regmap *regmap; unsigned int sysclk; unsigned int pcmclk; @@ -175,7 +234,7 @@ SOC_ENUM_SINGLE(WM8753_OUTCTL, 2, 2, wm8753_rout2_phase), static int wm8753_get_dai(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { - struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); + struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol); struct wm8753_priv *wm8753 = snd_soc_codec_get_drvdata(codec); ucontrol->value.integer.value[0] = wm8753->dai_func; @@ -185,14 +244,14 @@ static int wm8753_get_dai(struct snd_kcontrol *kcontrol, static int wm8753_set_dai(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { - struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); + struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol); struct wm8753_priv *wm8753 = snd_soc_codec_get_drvdata(codec); u16 ioctl; if (wm8753->dai_func == ucontrol->value.integer.value[0]) return 0; - if (codec->active) + if (snd_soc_codec_is_active(codec)) return -EBUSY; ioctl = snd_soc_read(codec, WM8753_IOCTL); @@ -872,8 +931,7 @@ static int wm8753_pcm_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) { - struct snd_soc_pcm_runtime *rtd = substream->private_data; - struct snd_soc_codec *codec = rtd->codec; + struct snd_soc_codec *codec = dai->codec; struct wm8753_priv *wm8753 = snd_soc_codec_get_drvdata(codec); u16 voice = snd_soc_read(codec, WM8753_PCM) & 0x01f3; u16 srate = snd_soc_read(codec, WM8753_SRATE1) & 0x017f; @@ -1102,8 +1160,7 @@ static int wm8753_i2s_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) { - struct snd_soc_pcm_runtime *rtd = substream->private_data; - struct snd_soc_codec *codec = rtd->codec; + struct snd_soc_codec *codec = dai->codec; struct wm8753_priv *wm8753 = snd_soc_codec_get_drvdata(codec); u16 srate = snd_soc_read(codec, WM8753_SRATE1) & 0x01c0; u16 hifi = snd_soc_read(codec, WM8753_HIFI) & 0x01f3; @@ -1257,7 +1314,7 @@ static int wm8753_mute(struct snd_soc_dai *dai, int mute) /* the digital mute covers the HiFi and Voice DAC's on the WM8753. * make sure we check if they are not both active when we mute */ if (mute && wm8753->dai_func == 1) { - if (!codec->active) + if (!snd_soc_codec_is_active(codec)) snd_soc_write(codec, WM8753_DAC, mute_reg | 0x8); } else { if (mute) @@ -1388,20 +1445,9 @@ static int wm8753_suspend(struct snd_soc_codec *codec) static int wm8753_resume(struct snd_soc_codec *codec) { - u16 *reg_cache = codec->reg_cache; - int i; - - /* Sync reg_cache with the hardware */ - for (i = 1; i < ARRAY_SIZE(wm8753_reg); i++) { - if (i == WM8753_RESET) - continue; + struct wm8753_priv *wm8753 = snd_soc_codec_get_drvdata(codec); - /* No point in writing hardware default values back */ - if (reg_cache[i] == wm8753_reg[i]) - continue; - - snd_soc_write(codec, i, reg_cache[i]); - } + regcache_sync(wm8753->regmap); wm8753_set_bias_level(codec, SND_SOC_BIAS_STANDBY); @@ -1409,8 +1455,9 @@ static int wm8753_resume(struct snd_soc_codec *codec) if (codec->dapm.suspend_bias_level == SND_SOC_BIAS_ON) { wm8753_set_bias_level(codec, SND_SOC_BIAS_PREPARE); codec->dapm.bias_level = SND_SOC_BIAS_ON; - schedule_delayed_work(&codec->dapm.delayed_work, - msecs_to_jiffies(caps_charge)); + queue_delayed_work(system_power_efficient_wq, + &codec->dapm.delayed_work, + msecs_to_jiffies(caps_charge)); } return 0; @@ -1423,12 +1470,6 @@ static int wm8753_probe(struct snd_soc_codec *codec) INIT_DELAYED_WORK(&codec->dapm.delayed_work, wm8753_work); - ret = snd_soc_codec_set_cache_io(codec, 7, 9, wm8753->control_type); - if (ret < 0) { - dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret); - return ret; - } - ret = wm8753_reset(codec); if (ret < 0) { dev_err(codec->dev, "Failed to issue reset: %d\n", ret); @@ -1461,7 +1502,7 @@ static int wm8753_probe(struct snd_soc_codec *codec) /* power down chip */ static int wm8753_remove(struct snd_soc_codec *codec) { - flush_delayed_work_sync(&codec->dapm.delayed_work); + flush_delayed_work(&codec->dapm.delayed_work); wm8753_set_bias_level(codec, SND_SOC_BIAS_OFF); return 0; @@ -1473,9 +1514,6 @@ static struct snd_soc_codec_driver soc_codec_dev_wm8753 = { .suspend = wm8753_suspend, .resume = wm8753_resume, .set_bias_level = wm8753_set_bias_level, - .reg_cache_size = ARRAY_SIZE(wm8753_reg), - .reg_word_size = sizeof(u16), - .reg_cache_default = wm8753_reg, .controls = wm8753_snd_controls, .num_controls = ARRAY_SIZE(wm8753_snd_controls), @@ -1491,30 +1529,51 @@ static const struct of_device_id wm8753_of_match[] = { }; MODULE_DEVICE_TABLE(of, wm8753_of_match); +static const struct regmap_config wm8753_regmap = { + .reg_bits = 7, + .val_bits = 9, + + .max_register = WM8753_ADCTL2, + .writeable_reg = wm8753_writeable, + .volatile_reg = wm8753_volatile, + + .cache_type = REGCACHE_RBTREE, + .reg_defaults = wm8753_reg_defaults, + .num_reg_defaults = ARRAY_SIZE(wm8753_reg_defaults), +}; + #if defined(CONFIG_SPI_MASTER) -static int __devinit wm8753_spi_probe(struct spi_device *spi) +static int wm8753_spi_probe(struct spi_device *spi) { struct wm8753_priv *wm8753; int ret; - wm8753 = kzalloc(sizeof(struct wm8753_priv), GFP_KERNEL); + wm8753 = devm_kzalloc(&spi->dev, sizeof(struct wm8753_priv), + GFP_KERNEL); if (wm8753 == NULL) return -ENOMEM; - wm8753->control_type = SND_SOC_SPI; spi_set_drvdata(spi, wm8753); - ret = snd_soc_register_codec(&spi->dev, - &soc_codec_dev_wm8753, wm8753_dai, ARRAY_SIZE(wm8753_dai)); - if (ret < 0) - kfree(wm8753); + wm8753->regmap = devm_regmap_init_spi(spi, &wm8753_regmap); + if (IS_ERR(wm8753->regmap)) { + ret = PTR_ERR(wm8753->regmap); + dev_err(&spi->dev, "Failed to allocate register map: %d\n", + ret); + return ret; + } + + ret = snd_soc_register_codec(&spi->dev, &soc_codec_dev_wm8753, + wm8753_dai, ARRAY_SIZE(wm8753_dai)); + if (ret != 0) + dev_err(&spi->dev, "Failed to register CODEC: %d\n", ret); + return ret; } -static int __devexit wm8753_spi_remove(struct spi_device *spi) +static int wm8753_spi_remove(struct spi_device *spi) { snd_soc_unregister_codec(&spi->dev); - kfree(spi_get_drvdata(spi)); return 0; } @@ -1525,35 +1584,43 @@ static struct spi_driver wm8753_spi_driver = { .of_match_table = wm8753_of_match, }, .probe = wm8753_spi_probe, - .remove = __devexit_p(wm8753_spi_remove), + .remove = wm8753_spi_remove, }; #endif /* CONFIG_SPI_MASTER */ -#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) -static __devinit int wm8753_i2c_probe(struct i2c_client *i2c, - const struct i2c_device_id *id) +#if IS_ENABLED(CONFIG_I2C) +static int wm8753_i2c_probe(struct i2c_client *i2c, + const struct i2c_device_id *id) { struct wm8753_priv *wm8753; int ret; - wm8753 = kzalloc(sizeof(struct wm8753_priv), GFP_KERNEL); + wm8753 = devm_kzalloc(&i2c->dev, sizeof(struct wm8753_priv), + GFP_KERNEL); if (wm8753 == NULL) return -ENOMEM; i2c_set_clientdata(i2c, wm8753); - wm8753->control_type = SND_SOC_I2C; - ret = snd_soc_register_codec(&i2c->dev, - &soc_codec_dev_wm8753, wm8753_dai, ARRAY_SIZE(wm8753_dai)); - if (ret < 0) - kfree(wm8753); + wm8753->regmap = devm_regmap_init_i2c(i2c, &wm8753_regmap); + if (IS_ERR(wm8753->regmap)) { + ret = PTR_ERR(wm8753->regmap); + dev_err(&i2c->dev, "Failed to allocate register map: %d\n", + ret); + return ret; + } + + ret = snd_soc_register_codec(&i2c->dev, &soc_codec_dev_wm8753, + wm8753_dai, ARRAY_SIZE(wm8753_dai)); + if (ret != 0) + dev_err(&i2c->dev, "Failed to register CODEC: %d\n", ret); + return ret; } -static __devexit int wm8753_i2c_remove(struct i2c_client *client) +static int wm8753_i2c_remove(struct i2c_client *client) { snd_soc_unregister_codec(&client->dev); - kfree(i2c_get_clientdata(client)); return 0; } @@ -1570,7 +1637,7 @@ static struct i2c_driver wm8753_i2c_driver = { .of_match_table = wm8753_of_match, }, .probe = wm8753_i2c_probe, - .remove = __devexit_p(wm8753_i2c_remove), + .remove = wm8753_i2c_remove, .id_table = wm8753_i2c_id, }; #endif @@ -1578,7 +1645,7 @@ static struct i2c_driver wm8753_i2c_driver = { static int __init wm8753_modinit(void) { int ret = 0; -#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) +#if IS_ENABLED(CONFIG_I2C) ret = i2c_add_driver(&wm8753_i2c_driver); if (ret != 0) { printk(KERN_ERR "Failed to register wm8753 I2C driver: %d\n", @@ -1598,7 +1665,7 @@ module_init(wm8753_modinit); static void __exit wm8753_exit(void) { -#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) +#if IS_ENABLED(CONFIG_I2C) i2c_del_driver(&wm8753_i2c_driver); #endif #if defined(CONFIG_SPI_MASTER) |