diff options
author | Takashi Iwai <tiwai@suse.de> | 2010-10-25 10:00:30 +0200 |
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committer | Takashi Iwai <tiwai@suse.de> | 2010-10-25 10:00:30 +0200 |
commit | aa5c14d5c0d3e4c587db4a1b220b9c86415c538f (patch) | |
tree | 0114637e8be2b38176e7e91e6cea3501b22cb66a /sound/soc/codecs/wm8741.c | |
parent | 79fc84c7e0d2fe89c4e82f3a26fd8b0d13c31703 (diff) | |
parent | b11bdb5254ff17cb63e4ae5088b73fdcd2cc2602 (diff) | |
download | linux-aa5c14d5c0d3e4c587db4a1b220b9c86415c538f.tar.bz2 |
Merge branch 'topic/asoc' into for-linus
Conflicts:
arch/powerpc/platforms/85xx/p1022_ds.c
Diffstat (limited to 'sound/soc/codecs/wm8741.c')
-rw-r--r-- | sound/soc/codecs/wm8741.c | 378 |
1 files changed, 179 insertions, 199 deletions
diff --git a/sound/soc/codecs/wm8741.c b/sound/soc/codecs/wm8741.c index b9ea8904ad4b..90e31e9aa6f7 100644 --- a/sound/soc/codecs/wm8741.c +++ b/sound/soc/codecs/wm8741.c @@ -30,25 +30,21 @@ #include "wm8741.h" -static struct snd_soc_codec *wm8741_codec; -struct snd_soc_codec_device soc_codec_dev_wm8741; - #define WM8741_NUM_SUPPLIES 2 static const char *wm8741_supply_names[WM8741_NUM_SUPPLIES] = { "AVDD", "DVDD", }; -#define WM8741_NUM_RATES 4 +#define WM8741_NUM_RATES 6 /* codec private data */ struct wm8741_priv { - struct snd_soc_codec codec; + enum snd_soc_control_type control_type; u16 reg_cache[WM8741_REGISTER_COUNT]; struct regulator_bulk_data supplies[WM8741_NUM_SUPPLIES]; unsigned int sysclk; - unsigned int rate_constraint_list[WM8741_NUM_RATES]; - struct snd_pcm_hw_constraint_list rate_constraint; + struct snd_pcm_hw_constraint_list *sysclk_constraints; }; static const u16 wm8741_reg_defaults[WM8741_REGISTER_COUNT] = { @@ -111,10 +107,84 @@ static struct { int value; int ratio; } lrclk_ratios[WM8741_NUM_RATES] = { - { 1, 256 }, - { 2, 384 }, - { 3, 512 }, - { 4, 768 }, + { 1, 128 }, + { 2, 192 }, + { 3, 256 }, + { 4, 384 }, + { 5, 512 }, + { 6, 768 }, +}; + +static unsigned int rates_11289[] = { + 44100, 88235, +}; + +static struct snd_pcm_hw_constraint_list constraints_11289 = { + .count = ARRAY_SIZE(rates_11289), + .list = rates_11289, +}; + +static unsigned int rates_12288[] = { + 32000, 48000, 96000, +}; + +static struct snd_pcm_hw_constraint_list constraints_12288 = { + .count = ARRAY_SIZE(rates_12288), + .list = rates_12288, +}; + +static unsigned int rates_16384[] = { + 32000, +}; + +static struct snd_pcm_hw_constraint_list constraints_16384 = { + .count = ARRAY_SIZE(rates_16384), + .list = rates_16384, +}; + +static unsigned int rates_16934[] = { + 44100, 88235, +}; + +static struct snd_pcm_hw_constraint_list constraints_16934 = { + .count = ARRAY_SIZE(rates_16934), + .list = rates_16934, +}; + +static unsigned int rates_18432[] = { + 48000, 96000, +}; + +static struct snd_pcm_hw_constraint_list constraints_18432 = { + .count = ARRAY_SIZE(rates_18432), + .list = rates_18432, +}; + +static unsigned int rates_22579[] = { + 44100, 88235, 1764000 +}; + +static struct snd_pcm_hw_constraint_list constraints_22579 = { + .count = ARRAY_SIZE(rates_22579), + .list = rates_22579, +}; + +static unsigned int rates_24576[] = { + 32000, 48000, 96000, 192000 +}; + +static struct snd_pcm_hw_constraint_list constraints_24576 = { + .count = ARRAY_SIZE(rates_24576), + .list = rates_24576, +}; + +static unsigned int rates_36864[] = { + 48000, 96000, 19200 +}; + +static struct snd_pcm_hw_constraint_list constraints_36864 = { + .count = ARRAY_SIZE(rates_36864), + .list = rates_36864, }; @@ -135,7 +205,7 @@ static int wm8741_startup(struct snd_pcm_substream *substream, snd_pcm_hw_constraint_list(substream->runtime, 0, SNDRV_PCM_HW_PARAM_RATE, - &wm8741->rate_constraint); + wm8741->sysclk_constraints); return 0; } @@ -145,8 +215,7 @@ static int wm8741_hw_params(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { struct snd_soc_pcm_runtime *rtd = substream->private_data; - struct snd_soc_device *socdev = rtd->socdev; - struct snd_soc_codec *codec = socdev->card->codec; + struct snd_soc_codec *codec = rtd->codec; struct wm8741_priv *wm8741 = snd_soc_codec_get_drvdata(codec); u16 iface = snd_soc_read(codec, WM8741_FORMAT_CONTROL) & 0x1FC; int i; @@ -196,47 +265,52 @@ static int wm8741_set_dai_sysclk(struct snd_soc_dai *codec_dai, { struct snd_soc_codec *codec = codec_dai->codec; struct wm8741_priv *wm8741 = snd_soc_codec_get_drvdata(codec); - unsigned int val; - int i; dev_dbg(codec->dev, "wm8741_set_dai_sysclk info: freq=%dHz\n", freq); - wm8741->sysclk = freq; - - wm8741->rate_constraint.count = 0; - - for (i = 0; i < ARRAY_SIZE(lrclk_ratios); i++) { - dev_dbg(codec->dev, "index = %d, ratio = %d, freq = %d", - i, lrclk_ratios[i].ratio, freq); - - val = freq / lrclk_ratios[i].ratio; - /* Check that it's a standard rate since core can't - * cope with others and having the odd rates confuses - * constraint matching. - */ - switch (val) { - case 32000: - case 44100: - case 48000: - case 64000: - case 88200: - case 96000: - dev_dbg(codec->dev, "Supported sample rate: %dHz\n", - val); - wm8741->rate_constraint_list[i] = val; - wm8741->rate_constraint.count++; - break; - default: - dev_dbg(codec->dev, "Skipping sample rate: %dHz\n", - val); - } + switch (freq) { + case 11289600: + wm8741->sysclk_constraints = &constraints_11289; + wm8741->sysclk = freq; + return 0; + + case 12288000: + wm8741->sysclk_constraints = &constraints_12288; + wm8741->sysclk = freq; + return 0; + + case 16384000: + wm8741->sysclk_constraints = &constraints_16384; + wm8741->sysclk = freq; + return 0; + + case 16934400: + wm8741->sysclk_constraints = &constraints_16934; + wm8741->sysclk = freq; + return 0; + + case 18432000: + wm8741->sysclk_constraints = &constraints_18432; + wm8741->sysclk = freq; + return 0; + + case 22579200: + case 33868800: + wm8741->sysclk_constraints = &constraints_22579; + wm8741->sysclk = freq; + return 0; + + case 24576000: + wm8741->sysclk_constraints = &constraints_24576; + wm8741->sysclk = freq; + return 0; + + case 36864000: + wm8741->sysclk_constraints = &constraints_36864; + wm8741->sysclk = freq; + return 0; } - - /* Need at least one supported rate... */ - if (wm8741->rate_constraint.count == 0) - return -EINVAL; - - return 0; + return -EINVAL; } static int wm8741_set_dai_fmt(struct snd_soc_dai *codec_dai, @@ -314,8 +388,8 @@ static struct snd_soc_dai_ops wm8741_dai_ops = { .set_fmt = wm8741_set_dai_fmt, }; -struct snd_soc_dai wm8741_dai = { - .name = "WM8741", +static struct snd_soc_dai_driver wm8741_dai = { + .name = "wm8741", .playback = { .stream_name = "Playback", .channels_min = 2, /* Mono modes not yet supported */ @@ -325,13 +399,10 @@ struct snd_soc_dai wm8741_dai = { }, .ops = &wm8741_dai_ops, }; -EXPORT_SYMBOL_GPL(wm8741_dai); #ifdef CONFIG_PM -static int wm8741_resume(struct platform_device *pdev) +static int wm8741_resume(struct snd_soc_codec *codec) { - struct snd_soc_device *socdev = platform_get_drvdata(pdev); - struct snd_soc_codec *codec = socdev->card->codec; u16 *cache = codec->reg_cache; int i; @@ -348,189 +419,99 @@ static int wm8741_resume(struct platform_device *pdev) #define wm8741_resume NULL #endif -static int wm8741_probe(struct platform_device *pdev) +static int wm8741_probe(struct snd_soc_codec *codec) { - struct snd_soc_device *socdev = platform_get_drvdata(pdev); - struct snd_soc_codec *codec; + struct wm8741_priv *wm8741 = snd_soc_codec_get_drvdata(codec); int ret = 0; - if (wm8741_codec == NULL) { - dev_err(&pdev->dev, "Codec device not registered\n"); - return -ENODEV; + ret = snd_soc_codec_set_cache_io(codec, 7, 9, wm8741->control_type); + if (ret != 0) { + dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret); + return ret; } - socdev->card->codec = wm8741_codec; - codec = wm8741_codec; - - /* register pcms */ - ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1); + ret = wm8741_reset(codec); if (ret < 0) { - dev_err(codec->dev, "failed to create pcms: %d\n", ret); - goto pcm_err; + dev_err(codec->dev, "Failed to issue reset\n"); + return ret; } + /* Change some default settings - latch VU */ + wm8741->reg_cache[WM8741_DACLLSB_ATTENUATION] |= WM8741_UPDATELL; + wm8741->reg_cache[WM8741_DACLMSB_ATTENUATION] |= WM8741_UPDATELM; + wm8741->reg_cache[WM8741_DACRLSB_ATTENUATION] |= WM8741_UPDATERL; + wm8741->reg_cache[WM8741_DACRLSB_ATTENUATION] |= WM8741_UPDATERM; + snd_soc_add_controls(codec, wm8741_snd_controls, ARRAY_SIZE(wm8741_snd_controls)); wm8741_add_widgets(codec); - return ret; - -pcm_err: + dev_dbg(codec->dev, "Successful registration\n"); return ret; } -static int wm8741_remove(struct platform_device *pdev) -{ - struct snd_soc_device *socdev = platform_get_drvdata(pdev); - - snd_soc_free_pcms(socdev); - snd_soc_dapm_free(socdev); - - return 0; -} - -struct snd_soc_codec_device soc_codec_dev_wm8741 = { +static struct snd_soc_codec_driver soc_codec_dev_wm8741 = { .probe = wm8741_probe, - .remove = wm8741_remove, .resume = wm8741_resume, + .reg_cache_size = ARRAY_SIZE(wm8741_reg_defaults), + .reg_word_size = sizeof(u16), + .reg_cache_default = &wm8741_reg_defaults, }; -EXPORT_SYMBOL_GPL(soc_codec_dev_wm8741); -static int wm8741_register(struct wm8741_priv *wm8741, - enum snd_soc_control_type control) +#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) +static int wm8741_i2c_probe(struct i2c_client *i2c, + const struct i2c_device_id *id) { - int ret; - struct snd_soc_codec *codec = &wm8741->codec; - int i; - - if (wm8741_codec) { - dev_err(codec->dev, "Another WM8741 is registered\n"); - return -EINVAL; - } - - mutex_init(&codec->mutex); - INIT_LIST_HEAD(&codec->dapm_widgets); - INIT_LIST_HEAD(&codec->dapm_paths); - - snd_soc_codec_set_drvdata(codec, wm8741); - codec->name = "WM8741"; - codec->owner = THIS_MODULE; - codec->bias_level = SND_SOC_BIAS_OFF; - codec->set_bias_level = NULL; - codec->dai = &wm8741_dai; - codec->num_dai = 1; - codec->reg_cache_size = WM8741_REGISTER_COUNT; - codec->reg_cache = &wm8741->reg_cache; - - wm8741->rate_constraint.list = &wm8741->rate_constraint_list[0]; - wm8741->rate_constraint.count = - ARRAY_SIZE(wm8741->rate_constraint_list); - - memcpy(codec->reg_cache, wm8741_reg_defaults, - sizeof(wm8741->reg_cache)); + struct wm8741_priv *wm8741; + int ret, i; - ret = snd_soc_codec_set_cache_io(codec, 7, 9, control); - if (ret != 0) { - dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret); - goto err; - } + wm8741 = kzalloc(sizeof(struct wm8741_priv), GFP_KERNEL); + if (wm8741 == NULL) + return -ENOMEM; for (i = 0; i < ARRAY_SIZE(wm8741->supplies); i++) wm8741->supplies[i].supply = wm8741_supply_names[i]; - ret = regulator_bulk_get(codec->dev, ARRAY_SIZE(wm8741->supplies), + ret = regulator_bulk_get(&i2c->dev, ARRAY_SIZE(wm8741->supplies), wm8741->supplies); if (ret != 0) { - dev_err(codec->dev, "Failed to request supplies: %d\n", ret); + dev_err(&i2c->dev, "Failed to request supplies: %d\n", ret); goto err; } ret = regulator_bulk_enable(ARRAY_SIZE(wm8741->supplies), wm8741->supplies); if (ret != 0) { - dev_err(codec->dev, "Failed to enable supplies: %d\n", ret); + dev_err(&i2c->dev, "Failed to enable supplies: %d\n", ret); goto err_get; } - ret = wm8741_reset(codec); - if (ret < 0) { - dev_err(codec->dev, "Failed to issue reset\n"); - goto err_enable; - } - - wm8741_dai.dev = codec->dev; - - /* Change some default settings - latch VU */ - wm8741->reg_cache[WM8741_DACLLSB_ATTENUATION] |= WM8741_UPDATELL; - wm8741->reg_cache[WM8741_DACLMSB_ATTENUATION] |= WM8741_UPDATELM; - wm8741->reg_cache[WM8741_DACRLSB_ATTENUATION] |= WM8741_UPDATERL; - wm8741->reg_cache[WM8741_DACRLSB_ATTENUATION] |= WM8741_UPDATERM; - - wm8741_codec = codec; - - ret = snd_soc_register_codec(codec); - if (ret != 0) { - dev_err(codec->dev, "Failed to register codec: %d\n", ret); - return ret; - } - - ret = snd_soc_register_dai(&wm8741_dai); - if (ret != 0) { - dev_err(codec->dev, "Failed to register DAI: %d\n", ret); - snd_soc_unregister_codec(codec); - return ret; - } + i2c_set_clientdata(i2c, wm8741); + wm8741->control_type = SND_SOC_I2C; - dev_dbg(codec->dev, "Successful registration\n"); - return 0; + ret = snd_soc_register_codec(&i2c->dev, + &soc_codec_dev_wm8741, &wm8741_dai, 1); + if (ret < 0) + goto err_enable; + return ret; err_enable: regulator_bulk_disable(ARRAY_SIZE(wm8741->supplies), wm8741->supplies); err_get: regulator_bulk_free(ARRAY_SIZE(wm8741->supplies), wm8741->supplies); - err: kfree(wm8741); return ret; } -static void wm8741_unregister(struct wm8741_priv *wm8741) -{ - regulator_bulk_free(ARRAY_SIZE(wm8741->supplies), wm8741->supplies); - - snd_soc_unregister_dai(&wm8741_dai); - snd_soc_unregister_codec(&wm8741->codec); - kfree(wm8741); - wm8741_codec = NULL; -} - -#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) -static __devinit int wm8741_i2c_probe(struct i2c_client *i2c, - const struct i2c_device_id *id) -{ - struct wm8741_priv *wm8741; - struct snd_soc_codec *codec; - - wm8741 = kzalloc(sizeof(struct wm8741_priv), GFP_KERNEL); - if (wm8741 == NULL) - return -ENOMEM; - - codec = &wm8741->codec; - codec->hw_write = (hw_write_t)i2c_master_send; - - i2c_set_clientdata(i2c, wm8741); - codec->control_data = i2c; - - codec->dev = &i2c->dev; - - return wm8741_register(wm8741, SND_SOC_I2C); -} - -static __devexit int wm8741_i2c_remove(struct i2c_client *client) +static int wm8741_i2c_remove(struct i2c_client *client) { struct wm8741_priv *wm8741 = i2c_get_clientdata(client); - wm8741_unregister(wm8741); + + snd_soc_unregister_codec(&client->dev); + regulator_bulk_free(ARRAY_SIZE(wm8741->supplies), wm8741->supplies); + kfree(i2c_get_clientdata(client)); return 0; } @@ -540,29 +521,28 @@ static const struct i2c_device_id wm8741_i2c_id[] = { }; MODULE_DEVICE_TABLE(i2c, wm8741_i2c_id); - static struct i2c_driver wm8741_i2c_driver = { .driver = { - .name = "WM8741", + .name = "wm8741-codec", .owner = THIS_MODULE, }, .probe = wm8741_i2c_probe, - .remove = __devexit_p(wm8741_i2c_remove), + .remove = wm8741_i2c_remove, .id_table = wm8741_i2c_id, }; #endif static int __init wm8741_modinit(void) { - int ret; + int ret = 0; + #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) ret = i2c_add_driver(&wm8741_i2c_driver); - if (ret != 0) { - printk(KERN_ERR "Failed to register WM8741 I2C driver: %d\n", - ret); - } + if (ret != 0) + pr_err("Failed to register WM8741 I2C driver: %d\n", ret); #endif - return 0; + + return ret; } module_init(wm8741_modinit); |