diff options
Diffstat (limited to 'sound/soc/codecs/wm8993.c')
-rw-r--r-- | sound/soc/codecs/wm8993.c | 307 |
1 files changed, 123 insertions, 184 deletions
diff --git a/sound/soc/codecs/wm8993.c b/sound/soc/codecs/wm8993.c index d8d300c..1d9e183 100644 --- a/sound/soc/codecs/wm8993.c +++ b/sound/soc/codecs/wm8993.c @@ -229,7 +229,8 @@ struct wm8993_priv { u16 reg_cache[WM8993_REGISTER_COUNT]; struct regulator_bulk_data supplies[WM8993_NUM_SUPPLIES]; struct wm8993_platform_data pdata; - struct snd_soc_codec codec; + enum snd_soc_control_type control_type; + void *control_data; int master; int sysclk_source; int tdm_slots; @@ -367,10 +368,9 @@ static int fll_factors(struct _fll_div *fll_div, unsigned int Fref, return 0; } -static int wm8993_set_fll(struct snd_soc_dai *dai, int fll_id, int source, +static int _wm8993_set_fll(struct snd_soc_codec *codec, int fll_id, int source, unsigned int Fref, unsigned int Fout) { - struct snd_soc_codec *codec = dai->codec; struct wm8993_priv *wm8993 = snd_soc_codec_get_drvdata(codec); u16 reg1, reg4, reg5; struct _fll_div fll_div; @@ -456,6 +456,12 @@ static int wm8993_set_fll(struct snd_soc_dai *dai, int fll_id, int source, return 0; } +static int wm8993_set_fll(struct snd_soc_dai *dai, int fll_id, int source, + unsigned int Fref, unsigned int Fout) +{ + return _wm8993_set_fll(dai->codec, fll_id, source, Fref, Fout); +} + static int configure_clock(struct snd_soc_codec *codec) { struct wm8993_priv *wm8993 = snd_soc_codec_get_drvdata(codec); @@ -1394,8 +1400,8 @@ static struct snd_soc_dai_ops wm8993_ops = { SNDRV_PCM_FMTBIT_S24_LE |\ SNDRV_PCM_FMTBIT_S32_LE) -struct snd_soc_dai wm8993_dai = { - .name = "WM8993", +static struct snd_soc_dai_driver wm8993_dai = { + .name = "wm8993-hifi", .playback = { .stream_name = "Playback", .channels_min = 1, @@ -1413,32 +1419,82 @@ struct snd_soc_dai wm8993_dai = { .ops = &wm8993_ops, .symmetric_rates = 1, }; -EXPORT_SYMBOL_GPL(wm8993_dai); - -static struct snd_soc_codec *wm8993_codec; -static int wm8993_probe(struct platform_device *pdev) +static int wm8993_probe(struct snd_soc_codec *codec) { - struct snd_soc_device *socdev = platform_get_drvdata(pdev); - struct snd_soc_codec *codec; - struct wm8993_priv *wm8993; - int ret = 0; + struct wm8993_priv *wm8993 = snd_soc_codec_get_drvdata(codec); + int ret, i, val; + + codec->control_data = wm8993->control_data; + wm8993->hubs_data.hp_startup_mode = 1; + wm8993->hubs_data.dcs_codes = -2; + + ret = snd_soc_codec_set_cache_io(codec, 8, 16, SND_SOC_I2C); + if (ret != 0) { + dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret); + return ret; + } + + for (i = 0; i < ARRAY_SIZE(wm8993->supplies); i++) + wm8993->supplies[i].supply = wm8993_supply_names[i]; - if (!wm8993_codec) { - dev_err(&pdev->dev, "I2C device not yet probed\n"); - goto err; + ret = regulator_bulk_get(codec->dev, ARRAY_SIZE(wm8993->supplies), + wm8993->supplies); + if (ret != 0) { + dev_err(codec->dev, "Failed to request supplies: %d\n", ret); + return ret; } - socdev->card->codec = wm8993_codec; - codec = wm8993_codec; - wm8993 = snd_soc_codec_get_drvdata(codec); + ret = regulator_bulk_enable(ARRAY_SIZE(wm8993->supplies), + wm8993->supplies); + if (ret != 0) { + dev_err(codec->dev, "Failed to enable supplies: %d\n", ret); + goto err_get; + } - ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1); - if (ret < 0) { - dev_err(codec->dev, "failed to create pcms\n"); - goto err; + val = snd_soc_read(codec, WM8993_SOFTWARE_RESET); + if (val != wm8993_reg_defaults[WM8993_SOFTWARE_RESET]) { + dev_err(codec->dev, "Invalid ID register value %x\n", val); + ret = -EINVAL; + goto err_enable; } + ret = snd_soc_write(codec, WM8993_SOFTWARE_RESET, 0xffff); + if (ret != 0) + goto err_enable; + + codec->cache_only = 1; + + /* By default we're using the output mixers */ + wm8993->class_w_users = 2; + + /* Latch volume update bits and default ZC on */ + snd_soc_update_bits(codec, WM8993_RIGHT_DAC_DIGITAL_VOLUME, + WM8993_DAC_VU, WM8993_DAC_VU); + snd_soc_update_bits(codec, WM8993_RIGHT_ADC_DIGITAL_VOLUME, + WM8993_ADC_VU, WM8993_ADC_VU); + + /* Manualy manage the HPOUT sequencing for independent stereo + * control. */ + snd_soc_update_bits(codec, WM8993_ANALOGUE_HP_0, + WM8993_HPOUT1_AUTO_PU, 0); + + /* Use automatic clock configuration */ + snd_soc_update_bits(codec, WM8993_CLOCKING_4, WM8993_SR_MODE, 0); + + wm_hubs_handle_analogue_pdata(codec, wm8993->pdata.lineout1_diff, + wm8993->pdata.lineout2_diff, + wm8993->pdata.lineout1fb, + wm8993->pdata.lineout2fb, + wm8993->pdata.jd_scthr, + wm8993->pdata.jd_thr, + wm8993->pdata.micbias1_lvl, + wm8993->pdata.micbias2_lvl); + + ret = wm8993_set_bias_level(codec, SND_SOC_BIAS_STANDBY); + if (ret != 0) + goto err_enable; + snd_soc_add_controls(codec, wm8993_snd_controls, ARRAY_SIZE(wm8993_snd_controls)); if (wm8993->pdata.num_retune_configs != 0) { @@ -1457,36 +1513,36 @@ static int wm8993_probe(struct platform_device *pdev) wm_hubs_add_analogue_routes(codec, wm8993->pdata.lineout1_diff, wm8993->pdata.lineout2_diff); - return ret; + return 0; -err: +err_enable: + regulator_bulk_disable(ARRAY_SIZE(wm8993->supplies), wm8993->supplies); +err_get: + regulator_bulk_free(ARRAY_SIZE(wm8993->supplies), wm8993->supplies); return ret; } -static int wm8993_remove(struct platform_device *pdev) +static int wm8993_remove(struct snd_soc_codec *codec) { - struct snd_soc_device *socdev = platform_get_drvdata(pdev); - - snd_soc_free_pcms(socdev); - snd_soc_dapm_free(socdev); + struct wm8993_priv *wm8993 = snd_soc_codec_get_drvdata(codec); + wm8993_set_bias_level(codec, SND_SOC_BIAS_OFF); + regulator_bulk_free(ARRAY_SIZE(wm8993->supplies), wm8993->supplies); return 0; } #ifdef CONFIG_PM -static int wm8993_suspend(struct platform_device *pdev, pm_message_t state) +static int wm8993_suspend(struct snd_soc_codec *codec, pm_message_t state) { - struct snd_soc_device *socdev = platform_get_drvdata(pdev); - struct snd_soc_codec *codec = socdev->card->codec; struct wm8993_priv *wm8993 = snd_soc_codec_get_drvdata(codec); int fll_fout = wm8993->fll_fout; int fll_fref = wm8993->fll_fref; int ret; /* Stop the FLL in an orderly fashion */ - ret = wm8993_set_fll(codec->dai, 0, 0, 0, 0); + ret = _wm8993_set_fll(codec, 0, 0, 0, 0); if (ret != 0) { - dev_err(&pdev->dev, "Failed to stop FLL\n"); + dev_err(codec->dev, "Failed to stop FLL\n"); return ret; } @@ -1498,10 +1554,8 @@ static int wm8993_suspend(struct platform_device *pdev, pm_message_t state) return 0; } -static int wm8993_resume(struct platform_device *pdev) +static int wm8993_resume(struct snd_soc_codec *codec) { - struct snd_soc_device *socdev = platform_get_drvdata(pdev); - struct snd_soc_codec *codec = socdev->card->codec; struct wm8993_priv *wm8993 = snd_soc_codec_get_drvdata(codec); int ret; @@ -1515,7 +1569,7 @@ static int wm8993_resume(struct platform_device *pdev) wm8993->fll_fref = 0; wm8993->fll_fout = 0; - ret = wm8993_set_fll(codec->dai, 0, wm8993->fll_src, + ret = _wm8993_set_fll(codec, 0, wm8993->fll_src, fll_fref, fll_fout); if (ret != 0) dev_err(codec->dev, "Failed to restart FLL\n"); @@ -1528,162 +1582,43 @@ static int wm8993_resume(struct platform_device *pdev) #define wm8993_resume NULL #endif -struct snd_soc_codec_device soc_codec_dev_wm8993 = { +static struct snd_soc_codec_driver soc_codec_dev_wm8993 = { .probe = wm8993_probe, .remove = wm8993_remove, .suspend = wm8993_suspend, .resume = wm8993_resume, + .set_bias_level = wm8993_set_bias_level, + .reg_cache_size = sizeof(wm8993_reg_defaults), + .reg_word_size = sizeof(u16), + .reg_cache_default = wm8993_reg_defaults, + .volatile_register = wm8993_volatile, }; -EXPORT_SYMBOL_GPL(soc_codec_dev_wm8993); -static int wm8993_i2c_probe(struct i2c_client *i2c, - const struct i2c_device_id *id) +#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) +static __devinit int wm8993_i2c_probe(struct i2c_client *i2c, + const struct i2c_device_id *id) { struct wm8993_priv *wm8993; - struct snd_soc_codec *codec; - unsigned int val; int ret; - int i; - - if (wm8993_codec) { - dev_err(&i2c->dev, "A WM8993 is already registered\n"); - return -EINVAL; - } wm8993 = kzalloc(sizeof(struct wm8993_priv), GFP_KERNEL); if (wm8993 == NULL) return -ENOMEM; - codec = &wm8993->codec; - if (i2c->dev.platform_data) - memcpy(&wm8993->pdata, i2c->dev.platform_data, - sizeof(wm8993->pdata)); - - mutex_init(&codec->mutex); - INIT_LIST_HEAD(&codec->dapm_widgets); - INIT_LIST_HEAD(&codec->dapm_paths); - - codec->name = "WM8993"; - codec->volatile_register = wm8993_volatile; - codec->reg_cache = wm8993->reg_cache; - codec->reg_cache_size = ARRAY_SIZE(wm8993->reg_cache); - codec->bias_level = SND_SOC_BIAS_OFF; - codec->set_bias_level = wm8993_set_bias_level; - codec->dai = &wm8993_dai; - codec->num_dai = 1; - snd_soc_codec_set_drvdata(codec, wm8993); - - wm8993->hubs_data.hp_startup_mode = 1; - wm8993->hubs_data.dcs_codes = -2; - - memcpy(wm8993->reg_cache, wm8993_reg_defaults, - sizeof(wm8993->reg_cache)); - - ret = snd_soc_codec_set_cache_io(codec, 8, 16, SND_SOC_I2C); - if (ret != 0) { - dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret); - goto err; - } - i2c_set_clientdata(i2c, wm8993); - codec->control_data = i2c; - wm8993_codec = codec; - - codec->dev = &i2c->dev; - - for (i = 0; i < ARRAY_SIZE(wm8993->supplies); i++) - wm8993->supplies[i].supply = wm8993_supply_names[i]; - - ret = regulator_bulk_get(codec->dev, ARRAY_SIZE(wm8993->supplies), - wm8993->supplies); - if (ret != 0) { - dev_err(codec->dev, "Failed to request supplies: %d\n", ret); - goto err; - } - - ret = regulator_bulk_enable(ARRAY_SIZE(wm8993->supplies), - wm8993->supplies); - if (ret != 0) { - dev_err(codec->dev, "Failed to enable supplies: %d\n", ret); - goto err_get; - } - - val = snd_soc_read(codec, WM8993_SOFTWARE_RESET); - if (val != wm8993_reg_defaults[WM8993_SOFTWARE_RESET]) { - dev_err(codec->dev, "Invalid ID register value %x\n", val); - ret = -EINVAL; - goto err_enable; - } - - ret = snd_soc_write(codec, WM8993_SOFTWARE_RESET, 0xffff); - if (ret != 0) - goto err_enable; - - codec->cache_only = 1; - - /* By default we're using the output mixers */ - wm8993->class_w_users = 2; - - /* Latch volume update bits and default ZC on */ - snd_soc_update_bits(codec, WM8993_RIGHT_DAC_DIGITAL_VOLUME, - WM8993_DAC_VU, WM8993_DAC_VU); - snd_soc_update_bits(codec, WM8993_RIGHT_ADC_DIGITAL_VOLUME, - WM8993_ADC_VU, WM8993_ADC_VU); + wm8993->control_data = i2c; - /* Manualy manage the HPOUT sequencing for independent stereo - * control. */ - snd_soc_update_bits(codec, WM8993_ANALOGUE_HP_0, - WM8993_HPOUT1_AUTO_PU, 0); - - /* Use automatic clock configuration */ - snd_soc_update_bits(codec, WM8993_CLOCKING_4, WM8993_SR_MODE, 0); - - wm_hubs_handle_analogue_pdata(codec, wm8993->pdata.lineout1_diff, - wm8993->pdata.lineout2_diff, - wm8993->pdata.lineout1fb, - wm8993->pdata.lineout2fb, - wm8993->pdata.jd_scthr, - wm8993->pdata.jd_thr, - wm8993->pdata.micbias1_lvl, - wm8993->pdata.micbias2_lvl); - - ret = wm8993_set_bias_level(codec, SND_SOC_BIAS_STANDBY); - if (ret != 0) - goto err_enable; - - wm8993_dai.dev = codec->dev; - - ret = snd_soc_register_dai(&wm8993_dai); - if (ret != 0) - goto err_bias; - - ret = snd_soc_register_codec(codec); - - return 0; - -err_bias: - wm8993_set_bias_level(codec, SND_SOC_BIAS_OFF); -err_enable: - regulator_bulk_disable(ARRAY_SIZE(wm8993->supplies), wm8993->supplies); -err_get: - regulator_bulk_free(ARRAY_SIZE(wm8993->supplies), wm8993->supplies); -err: - wm8993_codec = NULL; - kfree(wm8993); + ret = snd_soc_register_codec(&i2c->dev, + &soc_codec_dev_wm8993, &wm8993_dai, 1); + if (ret < 0) + kfree(wm8993); return ret; } -static int wm8993_i2c_remove(struct i2c_client *client) +static __devexit int wm8993_i2c_remove(struct i2c_client *client) { - struct wm8993_priv *wm8993 = i2c_get_clientdata(client); - - snd_soc_unregister_codec(&wm8993->codec); - snd_soc_unregister_dai(&wm8993_dai); - - wm8993_set_bias_level(&wm8993->codec, SND_SOC_BIAS_OFF); - regulator_bulk_free(ARRAY_SIZE(wm8993->supplies), wm8993->supplies); - kfree(wm8993); - + snd_soc_unregister_codec(&client->dev); + kfree(i2c_get_clientdata(client)); return 0; } @@ -1695,30 +1630,34 @@ MODULE_DEVICE_TABLE(i2c, wm8993_i2c_id); static struct i2c_driver wm8993_i2c_driver = { .driver = { - .name = "WM8993", + .name = "wm8993-codec", .owner = THIS_MODULE, }, - .probe = wm8993_i2c_probe, - .remove = wm8993_i2c_remove, + .probe = wm8993_i2c_probe, + .remove = __devexit_p(wm8993_i2c_remove), .id_table = wm8993_i2c_id, }; - +#endif static int __init wm8993_modinit(void) { - int ret; - + int ret = 0; +#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) ret = i2c_add_driver(&wm8993_i2c_driver); - if (ret != 0) - pr_err("WM8993: Unable to register I2C driver: %d\n", ret); - + if (ret != 0) { + pr_err("WM8993: Unable to register I2C driver: %d\n", + ret); + } +#endif return ret; } module_init(wm8993_modinit); static void __exit wm8993_exit(void) { +#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) i2c_del_driver(&wm8993_i2c_driver); +#endif } module_exit(wm8993_exit); |