X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=sound%2Fsoc%2Fcodecs%2Fak4642.c;h=90c90b7f4a2ee553fcc8af76537da0c5ae7067ed;hb=f1e095f1d206b81b44160f41278ce5c78641e9b7;hp=3d7dc55305ec3531838627e7a33f8b22009cfb2f;hpb=f1275410a108ac38b59149d10bce3f35edd70876;p=firefly-linux-kernel-4.4.55.git diff --git a/sound/soc/codecs/ak4642.c b/sound/soc/codecs/ak4642.c index 3d7dc55305ec..90c90b7f4a2e 100644 --- a/sound/soc/codecs/ak4642.c +++ b/sound/soc/codecs/ak4642.c @@ -30,8 +30,6 @@ #include #include -#include "ak4642.h" - #define AK4642_VERSION "0.0.1" #define PW_MGMT1 0x00 @@ -74,6 +72,12 @@ #define AK4642_CACHEREGNUM 0x25 +/* PW_MGMT1*/ +#define PMVCM (1 << 6) /* VCOM Power Management */ +#define PMMIN (1 << 5) /* MIN Input Power Management */ +#define PMDAC (1 << 2) /* DAC Power Management */ +#define PMADL (1 << 0) /* MIC Amp Lch and ADC Lch Power Management */ + /* PW_MGMT2 */ #define HPMTN (1 << 6) #define PMHPL (1 << 5) @@ -85,6 +89,23 @@ #define PMHP_MASK (PMHPL | PMHPR) #define PMHP PMHP_MASK +/* PW_MGMT3 */ +#define PMADR (1 << 0) /* MIC L / ADC R Power Management */ + +/* SG_SL1 */ +#define MINS (1 << 6) /* Switch from MIN to Speaker */ +#define DACL (1 << 4) /* Switch from DAC to Stereo or Receiver */ +#define PMMP (1 << 2) /* MPWR pin Power Management */ +#define MGAIN0 (1 << 0) /* MIC amp gain*/ + +/* TIMER */ +#define ZTM(param) ((param & 0x3) << 4) /* ALC Zoro Crossing TimeOut */ +#define WTM(param) (((param & 0x4) << 4) | ((param & 0x3) << 2)) + +/* ALC_CTL1 */ +#define ALC (1 << 5) /* ALC Enable */ +#define LMTH0 (1 << 0) /* ALC Limiter / Recovery Level */ + /* MD_CTL1 */ #define PLL3 (1 << 7) #define PLL2 (1 << 6) @@ -102,7 +123,11 @@ #define FS3 (1 << 5) #define FS_MASK (FS0 | FS1 | FS2 | FS3) -struct snd_soc_codec_device soc_codec_dev_ak4642; +/* MD_CTL3 */ +#define BST1 (1 << 3) + +/* MD_CTL4 */ +#define DACH (1 << 0) /* * Playback Volume (table 39) @@ -123,11 +148,11 @@ static const struct snd_kcontrol_new ak4642_snd_controls[] = { /* codec private data */ struct ak4642_priv { - struct snd_soc_codec codec; + unsigned int sysclk; + enum snd_soc_control_type control_type; + void *control_data; }; -static struct snd_soc_codec *ak4642_codec; - /* * ak4642 register cache */ @@ -219,11 +244,12 @@ static int ak4642_dai_startup(struct snd_pcm_substream *substream, * This operation came from example code of * "ASAHI KASEI AK4642" (japanese) manual p97. */ - ak4642_write(codec, 0x0f, 0x09); - ak4642_write(codec, 0x0e, 0x19); - ak4642_write(codec, 0x09, 0x91); - ak4642_write(codec, 0x0c, 0x91); - ak4642_write(codec, 0x00, 0x64); + snd_soc_update_bits(codec, MD_CTL4, DACH, DACH); + snd_soc_update_bits(codec, MD_CTL3, BST1, BST1); + ak4642_write(codec, L_IVC, 0x91); /* volume */ + ak4642_write(codec, R_IVC, 0x91); /* volume */ + snd_soc_update_bits(codec, PW_MGMT1, PMVCM | PMMIN | PMDAC, + PMVCM | PMMIN | PMDAC); snd_soc_update_bits(codec, PW_MGMT2, PMHP_MASK, PMHP); snd_soc_update_bits(codec, PW_MGMT2, HPMTN, HPMTN); } else { @@ -240,13 +266,12 @@ static int ak4642_dai_startup(struct snd_pcm_substream *substream, * This operation came from example code of * "ASAHI KASEI AK4642" (japanese) manual p94. */ - ak4642_write(codec, 0x02, 0x05); - ak4642_write(codec, 0x06, 0x3c); - ak4642_write(codec, 0x08, 0xe1); - ak4642_write(codec, 0x0b, 0x00); - ak4642_write(codec, 0x07, 0x21); - ak4642_write(codec, 0x00, 0x41); - ak4642_write(codec, 0x10, 0x01); + ak4642_write(codec, SG_SL1, PMMP | MGAIN0); + ak4642_write(codec, TIMER, ZTM(0x3) | WTM(0x3)); + ak4642_write(codec, ALC_CTL1, ALC | LMTH0); + snd_soc_update_bits(codec, PW_MGMT1, PMVCM | PMADL, + PMVCM | PMADL); + snd_soc_update_bits(codec, PW_MGMT3, PMADR, PMADR); } return 0; @@ -262,14 +287,14 @@ static void ak4642_dai_shutdown(struct snd_pcm_substream *substream, /* stop headphone output */ snd_soc_update_bits(codec, PW_MGMT2, HPMTN, 0); snd_soc_update_bits(codec, PW_MGMT2, PMHP_MASK, 0); - ak4642_write(codec, 0x00, 0x40); - ak4642_write(codec, 0x0e, 0x11); - ak4642_write(codec, 0x0f, 0x08); + snd_soc_update_bits(codec, PW_MGMT1, PMMIN | PMDAC, 0); + snd_soc_update_bits(codec, MD_CTL3, BST1, 0); + snd_soc_update_bits(codec, MD_CTL4, DACH, 0); } else { /* stop stereo input */ - ak4642_write(codec, 0x00, 0x40); - ak4642_write(codec, 0x10, 0x00); - ak4642_write(codec, 0x07, 0x01); + snd_soc_update_bits(codec, PW_MGMT1, PMADL, 0); + snd_soc_update_bits(codec, PW_MGMT3, PMADR, 0); + snd_soc_update_bits(codec, ALC_CTL1, ALC, 0); } } @@ -393,8 +418,8 @@ static struct snd_soc_dai_ops ak4642_dai_ops = { .hw_params = ak4642_dai_hw_params, }; -struct snd_soc_dai ak4642_dai = { - .name = "AK4642", +static struct snd_soc_dai_driver ak4642_dai = { + .name = "ak4642-hifi", .playback = { .stream_name = "Playback", .channels_min = 1, @@ -410,112 +435,65 @@ struct snd_soc_dai ak4642_dai = { .ops = &ak4642_dai_ops, .symmetric_rates = 1, }; -EXPORT_SYMBOL_GPL(ak4642_dai); -static int ak4642_resume(struct platform_device *pdev) +static int ak4642_resume(struct snd_soc_codec *codec) { - struct snd_soc_device *socdev = platform_get_drvdata(pdev); - struct snd_soc_codec *codec = socdev->card->codec; - ak4642_sync(codec); return 0; } -/* - * initialise the AK4642 driver - * register the mixer and dsp interfaces with the kernel - */ -static int ak4642_init(struct ak4642_priv *ak4642) + +static int ak4642_probe(struct snd_soc_codec *codec) { - struct snd_soc_codec *codec = &ak4642->codec; - int ret = 0; + struct ak4642_priv *ak4642 = snd_soc_codec_get_drvdata(codec); - if (ak4642_codec) { - dev_err(codec->dev, "Another ak4642 is registered\n"); - return -EINVAL; - } + dev_info(codec->dev, "AK4642 Audio Codec %s", AK4642_VERSION); - mutex_init(&codec->mutex); - INIT_LIST_HEAD(&codec->dapm_widgets); - INIT_LIST_HEAD(&codec->dapm_paths); - - snd_soc_codec_set_drvdata(codec, ak4642); - codec->name = "AK4642"; - codec->owner = THIS_MODULE; - codec->read = ak4642_read_reg_cache; - codec->write = ak4642_write; - codec->dai = &ak4642_dai; - codec->num_dai = 1; codec->hw_write = (hw_write_t)i2c_master_send; - codec->reg_cache_size = ARRAY_SIZE(ak4642_reg); - codec->reg_cache = kmemdup(ak4642_reg, - sizeof(ak4642_reg), GFP_KERNEL); + codec->control_data = ak4642->control_data; - if (!codec->reg_cache) - return -ENOMEM; - - ak4642_dai.dev = codec->dev; - ak4642_codec = codec; - - ret = snd_soc_register_codec(codec); - if (ret) { - dev_err(codec->dev, "Failed to register codec: %d\n", ret); - goto reg_cache_err; - } - - ret = snd_soc_register_dai(&ak4642_dai); - if (ret) { - dev_err(codec->dev, "Failed to register DAI: %d\n", ret); - snd_soc_unregister_codec(codec); - goto reg_cache_err; - } - - return ret; - -reg_cache_err: - kfree(codec->reg_cache); - codec->reg_cache = NULL; + snd_soc_add_controls(codec, ak4642_snd_controls, + ARRAY_SIZE(ak4642_snd_controls)); - return ret; + return 0; } +static struct snd_soc_codec_driver soc_codec_dev_ak4642 = { + .probe = ak4642_probe, + .resume = ak4642_resume, + .read = ak4642_read_reg_cache, + .write = ak4642_write, + .reg_cache_size = ARRAY_SIZE(ak4642_reg), + .reg_word_size = sizeof(u8), + .reg_cache_default = ak4642_reg, +}; + #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) -static int ak4642_i2c_probe(struct i2c_client *i2c, - const struct i2c_device_id *id) +static __devinit int ak4642_i2c_probe(struct i2c_client *i2c, + const struct i2c_device_id *id) { struct ak4642_priv *ak4642; - struct snd_soc_codec *codec; int ret; ak4642 = kzalloc(sizeof(struct ak4642_priv), GFP_KERNEL); if (!ak4642) return -ENOMEM; - codec = &ak4642->codec; - codec->dev = &i2c->dev; - i2c_set_clientdata(i2c, ak4642); - codec->control_data = i2c; + ak4642->control_data = i2c; + ak4642->control_type = SND_SOC_I2C; - ret = ak4642_init(ak4642); - if (ret < 0) { - printk(KERN_ERR "failed to initialise AK4642\n"); + ret = snd_soc_register_codec(&i2c->dev, + &soc_codec_dev_ak4642, &ak4642_dai, 1); + if (ret < 0) kfree(ak4642); - } - return ret; } -static int ak4642_i2c_remove(struct i2c_client *client) +static __devexit int ak4642_i2c_remove(struct i2c_client *client) { - struct ak4642_priv *ak4642 = i2c_get_clientdata(client); - - snd_soc_unregister_dai(&ak4642_dai); - snd_soc_unregister_codec(&ak4642->codec); - kfree(ak4642->codec.reg_cache); - kfree(ak4642); - ak4642_codec = NULL; - + snd_soc_unregister_codec(&client->dev); + kfree(i2c_get_clientdata(client)); return 0; } @@ -528,64 +506,15 @@ MODULE_DEVICE_TABLE(i2c, ak4642_i2c_id); static struct i2c_driver ak4642_i2c_driver = { .driver = { - .name = "AK4642 I2C Codec", + .name = "ak4642-codec", .owner = THIS_MODULE, }, .probe = ak4642_i2c_probe, - .remove = ak4642_i2c_remove, + .remove = __devexit_p(ak4642_i2c_remove), .id_table = ak4642_i2c_id, }; - #endif -static int ak4642_probe(struct platform_device *pdev) -{ - struct snd_soc_device *socdev = platform_get_drvdata(pdev); - int ret; - - if (!ak4642_codec) { - dev_err(&pdev->dev, "Codec device not registered\n"); - return -ENODEV; - } - - socdev->card->codec = ak4642_codec; - - /* register pcms */ - ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1); - if (ret < 0) { - printk(KERN_ERR "ak4642: failed to create pcms\n"); - goto pcm_err; - } - - snd_soc_add_controls(ak4642_codec, ak4642_snd_controls, - ARRAY_SIZE(ak4642_snd_controls)); - - dev_info(&pdev->dev, "AK4642 Audio Codec %s", AK4642_VERSION); - return ret; - -pcm_err: - return ret; - -} - -/* power down chip */ -static int ak4642_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_ak4642 = { - .probe = ak4642_probe, - .remove = ak4642_remove, - .resume = ak4642_resume, -}; -EXPORT_SYMBOL_GPL(soc_codec_dev_ak4642); - static int __init ak4642_modinit(void) { int ret = 0;