diff options
Diffstat (limited to 'sound/soc/codecs/ak4642.c')
-rw-r--r-- | sound/soc/codecs/ak4642.c | 148 |
1 files changed, 115 insertions, 33 deletions
diff --git a/sound/soc/codecs/ak4642.c b/sound/soc/codecs/ak4642.c index 12c1bde..5ef70b5 100644 --- a/sound/soc/codecs/ak4642.c +++ b/sound/soc/codecs/ak4642.c @@ -18,21 +18,19 @@ * This is very simple driver. * It can use headphone output / stereo input only * - * AK4642 is not tested. + * AK4642 is tested. * AK4643 is tested. + * AK4648 is tested. */ #include <linux/delay.h> #include <linux/i2c.h> -#include <linux/platform_device.h> #include <linux/slab.h> #include <linux/module.h> #include <sound/soc.h> #include <sound/initval.h> #include <sound/tlv.h> -#define AK4642_VERSION "0.0.1" - #define PW_MGMT1 0x00 #define PW_MGMT2 0x01 #define SG_SL1 0x02 @@ -71,8 +69,6 @@ #define HP_MS 0x23 #define SPK_MS 0x24 -#define AK4642_CACHEREGNUM 0x25 - /* PW_MGMT1*/ #define PMVCM (1 << 6) /* VCOM Power Management */ #define PMMIN (1 << 5) /* MIN Input Power Management */ @@ -150,8 +146,52 @@ static const struct snd_kcontrol_new ak4642_snd_controls[] = { SOC_DOUBLE_R_TLV("Digital Playback Volume", L_DVC, R_DVC, 0, 0xFF, 1, out_tlv), + + SOC_SINGLE("Headphone Switch", PW_MGMT2, 6, 1, 0), +}; + +static const struct snd_kcontrol_new ak4642_hpout_mixer_controls[] = { + SOC_DAPM_SINGLE("DACH", MD_CTL4, 0, 1, 0), +}; + +static const struct snd_kcontrol_new ak4642_lout_mixer_controls[] = { + SOC_DAPM_SINGLE("DACL", SG_SL1, 4, 1, 0), +}; + +static const struct snd_soc_dapm_widget ak4642_dapm_widgets[] = { + + /* Outputs */ + SND_SOC_DAPM_OUTPUT("HPOUTL"), + SND_SOC_DAPM_OUTPUT("HPOUTR"), + SND_SOC_DAPM_OUTPUT("LINEOUT"), + + SND_SOC_DAPM_MIXER("HPOUTL Mixer", PW_MGMT2, 5, 0, + &ak4642_hpout_mixer_controls[0], + ARRAY_SIZE(ak4642_hpout_mixer_controls)), + + SND_SOC_DAPM_MIXER("HPOUTR Mixer", PW_MGMT2, 4, 0, + &ak4642_hpout_mixer_controls[0], + ARRAY_SIZE(ak4642_hpout_mixer_controls)), + + SND_SOC_DAPM_MIXER("LINEOUT Mixer", PW_MGMT1, 3, 0, + &ak4642_lout_mixer_controls[0], + ARRAY_SIZE(ak4642_lout_mixer_controls)), + + /* DAC */ + SND_SOC_DAPM_DAC("DAC", "HiFi Playback", PW_MGMT1, 2, 0), }; +static const struct snd_soc_dapm_route ak4642_intercon[] = { + + /* Outputs */ + {"HPOUTL", NULL, "HPOUTL Mixer"}, + {"HPOUTR", NULL, "HPOUTR Mixer"}, + {"LINEOUT", NULL, "LINEOUT Mixer"}, + + {"HPOUTL Mixer", "DACH", "DAC"}, + {"HPOUTR Mixer", "DACH", "DAC"}, + {"LINEOUT Mixer", "DACL", "DAC"}, +}; /* codec private data */ struct ak4642_priv { @@ -162,7 +202,7 @@ struct ak4642_priv { /* * ak4642 register cache */ -static const u8 ak4642_reg[AK4642_CACHEREGNUM] = { +static const u8 ak4642_reg[] = { 0x00, 0x00, 0x01, 0x00, 0x02, 0x00, 0x00, 0x00, 0xe1, 0xe1, 0x18, 0x00, @@ -175,6 +215,19 @@ static const u8 ak4642_reg[AK4642_CACHEREGNUM] = { 0x00, }; +static const u8 ak4648_reg[] = { + 0x00, 0x00, 0x01, 0x00, + 0x02, 0x00, 0x00, 0x00, + 0xe1, 0xe1, 0x18, 0x00, + 0xe1, 0x18, 0x11, 0xb8, + 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, + 0x00, 0x88, 0x88, 0x08, +}; + static int ak4642_dai_startup(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { @@ -192,14 +245,8 @@ static int ak4642_dai_startup(struct snd_pcm_substream *substream, * This operation came from example code of * "ASAHI KASEI AK4642" (japanese) manual p97. */ - snd_soc_update_bits(codec, MD_CTL4, DACH, DACH); - snd_soc_update_bits(codec, MD_CTL3, BST1, BST1); snd_soc_write(codec, L_IVC, 0x91); /* volume */ snd_soc_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 { /* * start stereo input @@ -217,8 +264,7 @@ static int ak4642_dai_startup(struct snd_pcm_substream *substream, snd_soc_write(codec, SG_SL1, PMMP | MGAIN0); snd_soc_write(codec, TIMER, ZTM(0x3) | WTM(0x3)); snd_soc_write(codec, ALC_CTL1, ALC | LMTH0); - snd_soc_update_bits(codec, PW_MGMT1, PMVCM | PMADL, - PMVCM | PMADL); + snd_soc_update_bits(codec, PW_MGMT1, PMADL, PMADL); snd_soc_update_bits(codec, PW_MGMT3, PMADR, PMADR); } @@ -232,12 +278,6 @@ static void ak4642_dai_shutdown(struct snd_pcm_substream *substream, struct snd_soc_codec *codec = dai->codec; if (is_play) { - /* stop headphone output */ - snd_soc_update_bits(codec, PW_MGMT2, HPMTN, 0); - snd_soc_update_bits(codec, PW_MGMT2, PMHP_MASK, 0); - 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 */ snd_soc_update_bits(codec, PW_MGMT1, PMADL, 0); @@ -376,7 +416,23 @@ static int ak4642_dai_hw_params(struct snd_pcm_substream *substream, return 0; } -static struct snd_soc_dai_ops ak4642_dai_ops = { +static int ak4642_set_bias_level(struct snd_soc_codec *codec, + enum snd_soc_bias_level level) +{ + switch (level) { + case SND_SOC_BIAS_OFF: + snd_soc_write(codec, PW_MGMT1, 0x00); + break; + default: + snd_soc_update_bits(codec, PW_MGMT1, PMVCM, PMVCM); + break; + } + codec->dapm.bias_level = level; + + return 0; +} + +static const struct snd_soc_dai_ops ak4642_dai_ops = { .startup = ak4642_dai_startup, .shutdown = ak4642_dai_shutdown, .set_sysclk = ak4642_dai_set_sysclk, @@ -414,8 +470,6 @@ static int ak4642_probe(struct snd_soc_codec *codec) struct ak4642_priv *ak4642 = snd_soc_codec_get_drvdata(codec); int ret; - dev_info(codec->dev, "AK4642 Audio Codec %s", AK4642_VERSION); - ret = snd_soc_codec_set_cache_io(codec, 8, 8, ak4642->control_type); if (ret < 0) { dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret); @@ -425,15 +479,43 @@ static int ak4642_probe(struct snd_soc_codec *codec) snd_soc_add_controls(codec, ak4642_snd_controls, ARRAY_SIZE(ak4642_snd_controls)); + ak4642_set_bias_level(codec, SND_SOC_BIAS_STANDBY); + + return 0; +} + +static int ak4642_remove(struct snd_soc_codec *codec) +{ + ak4642_set_bias_level(codec, SND_SOC_BIAS_OFF); return 0; } static struct snd_soc_codec_driver soc_codec_dev_ak4642 = { .probe = ak4642_probe, + .remove = ak4642_remove, + .resume = ak4642_resume, + .set_bias_level = ak4642_set_bias_level, + .reg_cache_default = ak4642_reg, /* ak4642 reg */ + .reg_cache_size = ARRAY_SIZE(ak4642_reg), /* ak4642 reg */ + .reg_word_size = sizeof(u8), + .dapm_widgets = ak4642_dapm_widgets, + .num_dapm_widgets = ARRAY_SIZE(ak4642_dapm_widgets), + .dapm_routes = ak4642_intercon, + .num_dapm_routes = ARRAY_SIZE(ak4642_intercon), +}; + +static struct snd_soc_codec_driver soc_codec_dev_ak4648 = { + .probe = ak4642_probe, + .remove = ak4642_remove, .resume = ak4642_resume, - .reg_cache_size = ARRAY_SIZE(ak4642_reg), + .set_bias_level = ak4642_set_bias_level, + .reg_cache_default = ak4648_reg, /* ak4648 reg */ + .reg_cache_size = ARRAY_SIZE(ak4648_reg), /* ak4648 reg */ .reg_word_size = sizeof(u8), - .reg_cache_default = ak4642_reg, + .dapm_widgets = ak4642_dapm_widgets, + .num_dapm_widgets = ARRAY_SIZE(ak4642_dapm_widgets), + .dapm_routes = ak4642_intercon, + .num_dapm_routes = ARRAY_SIZE(ak4642_intercon), }; #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) @@ -443,7 +525,8 @@ static __devinit int ak4642_i2c_probe(struct i2c_client *i2c, struct ak4642_priv *ak4642; int ret; - ak4642 = kzalloc(sizeof(struct ak4642_priv), GFP_KERNEL); + ak4642 = devm_kzalloc(&i2c->dev, sizeof(struct ak4642_priv), + GFP_KERNEL); if (!ak4642) return -ENOMEM; @@ -451,22 +534,21 @@ static __devinit int ak4642_i2c_probe(struct i2c_client *i2c, ak4642->control_type = SND_SOC_I2C; ret = snd_soc_register_codec(&i2c->dev, - &soc_codec_dev_ak4642, &ak4642_dai, 1); - if (ret < 0) - kfree(ak4642); + (struct snd_soc_codec_driver *)id->driver_data, + &ak4642_dai, 1); return ret; } static __devexit int ak4642_i2c_remove(struct i2c_client *client) { snd_soc_unregister_codec(&client->dev); - kfree(i2c_get_clientdata(client)); return 0; } static const struct i2c_device_id ak4642_i2c_id[] = { - { "ak4642", 0 }, - { "ak4643", 0 }, + { "ak4642", (kernel_ulong_t)&soc_codec_dev_ak4642 }, + { "ak4643", (kernel_ulong_t)&soc_codec_dev_ak4642 }, + { "ak4648", (kernel_ulong_t)&soc_codec_dev_ak4648 }, { } }; MODULE_DEVICE_TABLE(i2c, ak4642_i2c_id); |