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author | Takashi Iwai <tiwai@suse.de> | 2010-05-20 12:00:43 +0200 |
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committer | Takashi Iwai <tiwai@suse.de> | 2010-05-20 12:00:43 +0200 |
commit | d71f4cece4bd97d05592836202fc04ff2e7817e3 (patch) | |
tree | 6c877c7a938758b1323d9c97d46b9c536e618c69 /sound/soc/codecs/twl4030.c | |
parent | 19008bdacb9f7841166ebafe0aef361ee582ffbf (diff) | |
parent | ad8332c1302bcb4f80d593fd3eb477be9d7f5604 (diff) | |
download | linux-stable-d71f4cece4bd97d05592836202fc04ff2e7817e3.tar.gz linux-stable-d71f4cece4bd97d05592836202fc04ff2e7817e3.tar.bz2 linux-stable-d71f4cece4bd97d05592836202fc04ff2e7817e3.zip |
Merge branch 'topic/asoc' into for-linus
Conflicts:
sound/soc/codecs/ad1938.c
Diffstat (limited to 'sound/soc/codecs/twl4030.c')
-rw-r--r-- | sound/soc/codecs/twl4030.c | 203 |
1 files changed, 144 insertions, 59 deletions
diff --git a/sound/soc/codecs/twl4030.c b/sound/soc/codecs/twl4030.c index 520ffd6536c3..b4fcdb01fc49 100644 --- a/sound/soc/codecs/twl4030.c +++ b/sound/soc/codecs/twl4030.c @@ -124,6 +124,8 @@ struct twl4030_priv { struct snd_soc_codec codec; unsigned int codec_powered; + + /* reference counts of AIF/APLL users */ unsigned int apll_enabled; struct snd_pcm_substream *master_substream; @@ -136,9 +138,11 @@ struct twl4030_priv { unsigned int sysclk; - /* Headset output state handling */ - unsigned int hsl_enabled; - unsigned int hsr_enabled; + /* Output (with associated amp) states */ + u8 hsl_enabled, hsr_enabled; + u8 earpiece_enabled; + u8 predrivel_enabled, predriver_enabled; + u8 carkitl_enabled, carkitr_enabled; }; /* @@ -174,17 +178,52 @@ static inline void twl4030_write_reg_cache(struct snd_soc_codec *codec, static int twl4030_write(struct snd_soc_codec *codec, unsigned int reg, unsigned int value) { + struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec); + int write_to_reg = 0; + twl4030_write_reg_cache(codec, reg, value); - if (likely(reg < TWL4030_REG_SW_SHADOW)) - return twl_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE, value, - reg); - else - return 0; + if (likely(reg < TWL4030_REG_SW_SHADOW)) { + /* Decide if the given register can be written */ + switch (reg) { + case TWL4030_REG_EAR_CTL: + if (twl4030->earpiece_enabled) + write_to_reg = 1; + break; + case TWL4030_REG_PREDL_CTL: + if (twl4030->predrivel_enabled) + write_to_reg = 1; + break; + case TWL4030_REG_PREDR_CTL: + if (twl4030->predriver_enabled) + write_to_reg = 1; + break; + case TWL4030_REG_PRECKL_CTL: + if (twl4030->carkitl_enabled) + write_to_reg = 1; + break; + case TWL4030_REG_PRECKR_CTL: + if (twl4030->carkitr_enabled) + write_to_reg = 1; + break; + case TWL4030_REG_HS_GAIN_SET: + if (twl4030->hsl_enabled || twl4030->hsr_enabled) + write_to_reg = 1; + break; + default: + /* All other register can be written */ + write_to_reg = 1; + break; + } + if (write_to_reg) + return twl_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE, + value, reg); + } + return 0; } static void twl4030_codec_enable(struct snd_soc_codec *codec, int enable) { - struct twl4030_priv *twl4030 = codec->private_data; + struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec); int mode; if (enable == twl4030->codec_powered) @@ -222,28 +261,28 @@ static void twl4030_init_chip(struct snd_soc_codec *codec) static void twl4030_apll_enable(struct snd_soc_codec *codec, int enable) { - struct twl4030_priv *twl4030 = codec->private_data; - int status; - - if (enable == twl4030->apll_enabled) - return; - - if (enable) - /* Enable PLL */ - status = twl4030_codec_enable_resource(TWL4030_CODEC_RES_APLL); - else - /* Disable PLL */ - status = twl4030_codec_disable_resource(TWL4030_CODEC_RES_APLL); + struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec); + int status = -1; + + if (enable) { + twl4030->apll_enabled++; + if (twl4030->apll_enabled == 1) + status = twl4030_codec_enable_resource( + TWL4030_CODEC_RES_APLL); + } else { + twl4030->apll_enabled--; + if (!twl4030->apll_enabled) + status = twl4030_codec_disable_resource( + TWL4030_CODEC_RES_APLL); + } if (status >= 0) twl4030_write_reg_cache(codec, TWL4030_REG_APLL_CTL, status); - - twl4030->apll_enabled = enable; } static void twl4030_power_up(struct snd_soc_codec *codec) { - struct twl4030_priv *twl4030 = codec->private_data; + struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec); u8 anamicl, regmisc1, byte; int i = 0; @@ -526,26 +565,26 @@ static int micpath_event(struct snd_soc_dapm_widget *w, * Output PGA builder: * Handle the muting and unmuting of the given output (turning off the * amplifier associated with the output pin) - * On mute bypass the reg_cache and mute the volume - * On unmute: restore the register content + * On mute bypass the reg_cache and write 0 to the register + * On unmute: restore the register content from the reg_cache * Outputs handled in this way: Earpiece, PreDrivL/R, CarkitL/R */ #define TWL4030_OUTPUT_PGA(pin_name, reg, mask) \ static int pin_name##pga_event(struct snd_soc_dapm_widget *w, \ struct snd_kcontrol *kcontrol, int event) \ { \ - u8 reg_val; \ + struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(w->codec); \ \ switch (event) { \ case SND_SOC_DAPM_POST_PMU: \ + twl4030->pin_name##_enabled = 1; \ twl4030_write(w->codec, reg, \ twl4030_read_reg_cache(w->codec, reg)); \ break; \ case SND_SOC_DAPM_POST_PMD: \ - reg_val = twl4030_read_reg_cache(w->codec, reg); \ - twl_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE, \ - reg_val & (~mask), \ - reg); \ + twl4030->pin_name##_enabled = 0; \ + twl_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE, \ + 0, reg); \ break; \ } \ return 0; \ @@ -636,13 +675,38 @@ static int apll_event(struct snd_soc_dapm_widget *w, return 0; } +static int aif_event(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *kcontrol, int event) +{ + u8 audio_if; + + audio_if = twl4030_read_reg_cache(w->codec, TWL4030_REG_AUDIO_IF); + switch (event) { + case SND_SOC_DAPM_PRE_PMU: + /* Enable AIF */ + /* enable the PLL before we use it to clock the DAI */ + twl4030_apll_enable(w->codec, 1); + + twl4030_write(w->codec, TWL4030_REG_AUDIO_IF, + audio_if | TWL4030_AIF_EN); + break; + case SND_SOC_DAPM_POST_PMD: + /* disable the DAI before we stop it's source PLL */ + twl4030_write(w->codec, TWL4030_REG_AUDIO_IF, + audio_if & ~TWL4030_AIF_EN); + twl4030_apll_enable(w->codec, 0); + break; + } + return 0; +} + static void headset_ramp(struct snd_soc_codec *codec, int ramp) { struct snd_soc_device *socdev = codec->socdev; struct twl4030_setup_data *setup = socdev->codec_data; unsigned char hs_gain, hs_pop; - struct twl4030_priv *twl4030 = codec->private_data; + struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec); /* Base values for ramp delay calculation: 2^19 - 2^26 */ unsigned int ramp_base[] = {524288, 1048576, 2097152, 4194304, 8388608, 16777216, 33554432, 67108864}; @@ -665,7 +729,10 @@ static void headset_ramp(struct snd_soc_codec *codec, int ramp) /* Headset ramp-up according to the TRM */ hs_pop |= TWL4030_VMID_EN; twl4030_write(codec, TWL4030_REG_HS_POPN_SET, hs_pop); - twl4030_write(codec, TWL4030_REG_HS_GAIN_SET, hs_gain); + /* Actually write to the register */ + twl_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE, + hs_gain, + TWL4030_REG_HS_GAIN_SET); hs_pop |= TWL4030_RAMP_EN; twl4030_write(codec, TWL4030_REG_HS_POPN_SET, hs_pop); /* Wait ramp delay time + 1, so the VMID can settle */ @@ -702,7 +769,7 @@ static void headset_ramp(struct snd_soc_codec *codec, int ramp) static int headsetlpga_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { - struct twl4030_priv *twl4030 = w->codec->private_data; + struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(w->codec); switch (event) { case SND_SOC_DAPM_POST_PMU: @@ -726,7 +793,7 @@ static int headsetlpga_event(struct snd_soc_dapm_widget *w, static int headsetrpga_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { - struct twl4030_priv *twl4030 = w->codec->private_data; + struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(w->codec); switch (event) { case SND_SOC_DAPM_POST_PMU: @@ -918,7 +985,7 @@ static int snd_soc_put_twl4030_opmode_enum_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); - struct twl4030_priv *twl4030 = codec->private_data; + struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec); struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; unsigned short val; unsigned short mask, bitmask; @@ -1036,6 +1103,16 @@ static const struct soc_enum twl4030_vibradir_enum = ARRAY_SIZE(twl4030_vibradir_texts), twl4030_vibradir_texts); +/* Digimic Left and right swapping */ +static const char *twl4030_digimicswap_texts[] = { + "Not swapped", "Swapped", +}; + +static const struct soc_enum twl4030_digimicswap_enum = + SOC_ENUM_SINGLE(TWL4030_REG_MISC_SET_1, 0, + ARRAY_SIZE(twl4030_digimicswap_texts), + twl4030_digimicswap_texts); + static const struct snd_kcontrol_new twl4030_snd_controls[] = { /* Codec operation mode control */ SOC_ENUM_EXT("Codec Operation Mode", twl4030_op_modes_enum, @@ -1112,6 +1189,8 @@ static const struct snd_kcontrol_new twl4030_snd_controls[] = { SOC_ENUM("Vibra H-bridge mode", twl4030_vibradirmode_enum), SOC_ENUM("Vibra H-bridge direction", twl4030_vibradir_enum), + + SOC_ENUM("Digimic LR Swap", twl4030_digimicswap_enum), }; static const struct snd_soc_dapm_widget twl4030_dapm_widgets[] = { @@ -1128,8 +1207,6 @@ static const struct snd_soc_dapm_widget twl4030_dapm_widgets[] = { SND_SOC_DAPM_INPUT("DIGIMIC1"), /* Outputs */ - SND_SOC_DAPM_OUTPUT("OUTL"), - SND_SOC_DAPM_OUTPUT("OUTR"), SND_SOC_DAPM_OUTPUT("EARPIECE"), SND_SOC_DAPM_OUTPUT("PREDRIVEL"), SND_SOC_DAPM_OUTPUT("PREDRIVER"), @@ -1141,6 +1218,11 @@ static const struct snd_soc_dapm_widget twl4030_dapm_widgets[] = { SND_SOC_DAPM_OUTPUT("HFR"), SND_SOC_DAPM_OUTPUT("VIBRA"), + /* AIF and APLL clocks for running DAIs (including loopback) */ + SND_SOC_DAPM_OUTPUT("Virtual HiFi OUT"), + SND_SOC_DAPM_INPUT("Virtual HiFi IN"), + SND_SOC_DAPM_OUTPUT("Virtual Voice OUT"), + /* DACs */ SND_SOC_DAPM_DAC("DAC Right1", "Right Front HiFi Playback", SND_SOC_NOPM, 0, 0), @@ -1204,7 +1286,8 @@ static const struct snd_soc_dapm_widget twl4030_dapm_widgets[] = { SND_SOC_DAPM_SUPPLY("APLL Enable", SND_SOC_NOPM, 0, 0, apll_event, SND_SOC_DAPM_PRE_PMU|SND_SOC_DAPM_POST_PMD), - SND_SOC_DAPM_SUPPLY("AIF Enable", TWL4030_REG_AUDIO_IF, 0, 0, NULL, 0), + SND_SOC_DAPM_SUPPLY("AIF Enable", SND_SOC_NOPM, 0, 0, aif_event, + SND_SOC_DAPM_PRE_PMU|SND_SOC_DAPM_POST_PMD), /* Output MIXER controls */ /* Earpiece */ @@ -1334,10 +1417,6 @@ static const struct snd_soc_dapm_route intercon[] = { {"Digital Voice Playback Mixer", NULL, "DAC Voice"}, /* Supply for the digital part (APLL) */ - {"Digital R1 Playback Mixer", NULL, "APLL Enable"}, - {"Digital L1 Playback Mixer", NULL, "APLL Enable"}, - {"Digital R2 Playback Mixer", NULL, "APLL Enable"}, - {"Digital L2 Playback Mixer", NULL, "APLL Enable"}, {"Digital Voice Playback Mixer", NULL, "APLL Enable"}, {"Digital R1 Playback Mixer", NULL, "AIF Enable"}, @@ -1411,8 +1490,14 @@ static const struct snd_soc_dapm_route intercon[] = { {"Vibra Mux", "AudioR2", "DAC Right2"}, /* outputs */ - {"OUTL", NULL, "Analog L2 Playback Mixer"}, - {"OUTR", NULL, "Analog R2 Playback Mixer"}, + /* Must be always connected (for AIF and APLL) */ + {"Virtual HiFi OUT", NULL, "Digital L1 Playback Mixer"}, + {"Virtual HiFi OUT", NULL, "Digital R1 Playback Mixer"}, + {"Virtual HiFi OUT", NULL, "Digital L2 Playback Mixer"}, + {"Virtual HiFi OUT", NULL, "Digital R2 Playback Mixer"}, + /* Must be always connected (for APLL) */ + {"Virtual Voice OUT", NULL, "Digital Voice Playback Mixer"}, + /* Physical outputs */ {"EARPIECE", NULL, "Earpiece PGA"}, {"PREDRIVEL", NULL, "PredriveL PGA"}, {"PREDRIVER", NULL, "PredriveR PGA"}, @@ -1426,6 +1511,12 @@ static const struct snd_soc_dapm_route intercon[] = { {"VIBRA", NULL, "Vibra Route"}, /* Capture path */ + /* Must be always connected (for AIF and APLL) */ + {"ADC Virtual Left1", NULL, "Virtual HiFi IN"}, + {"ADC Virtual Right1", NULL, "Virtual HiFi IN"}, + {"ADC Virtual Left2", NULL, "Virtual HiFi IN"}, + {"ADC Virtual Right2", NULL, "Virtual HiFi IN"}, + /* Physical inputs */ {"Analog Left", "Main Mic Capture Switch", "MAINMIC"}, {"Analog Left", "Headset Mic Capture Switch", "HSMIC"}, {"Analog Left", "AUXL Capture Switch", "AUXL"}, @@ -1458,11 +1549,6 @@ static const struct snd_soc_dapm_route intercon[] = { {"ADC Virtual Left2", NULL, "TX2 Capture Route"}, {"ADC Virtual Right2", NULL, "TX2 Capture Route"}, - {"ADC Virtual Left1", NULL, "APLL Enable"}, - {"ADC Virtual Right1", NULL, "APLL Enable"}, - {"ADC Virtual Left2", NULL, "APLL Enable"}, - {"ADC Virtual Right2", NULL, "APLL Enable"}, - {"ADC Virtual Left1", NULL, "AIF Enable"}, {"ADC Virtual Right1", NULL, "AIF Enable"}, {"ADC Virtual Left2", NULL, "AIF Enable"}, @@ -1588,7 +1674,7 @@ static int twl4030_startup(struct snd_pcm_substream *substream, 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 twl4030_priv *twl4030 = codec->private_data; + struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec); if (twl4030->master_substream) { twl4030->slave_substream = substream; @@ -1619,7 +1705,7 @@ static void twl4030_shutdown(struct snd_pcm_substream *substream, 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 twl4030_priv *twl4030 = codec->private_data; + struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec); if (twl4030->master_substream == substream) twl4030->master_substream = twl4030->slave_substream; @@ -1645,7 +1731,7 @@ static int twl4030_hw_params(struct snd_pcm_substream *substream, 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 twl4030_priv *twl4030 = codec->private_data; + struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec); u8 mode, old_mode, format, old_format; /* If the substream has 4 channel, do the necessary setup */ @@ -1765,7 +1851,7 @@ static int twl4030_set_dai_sysclk(struct snd_soc_dai *codec_dai, int clk_id, unsigned int freq, int dir) { struct snd_soc_codec *codec = codec_dai->codec; - struct twl4030_priv *twl4030 = codec->private_data; + struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec); switch (freq) { case 19200000: @@ -1880,7 +1966,7 @@ static int twl4030_voice_startup(struct snd_pcm_substream *substream, 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 twl4030_priv *twl4030 = codec->private_data; + struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec); u8 mode; /* If the system master clock is not 26MHz, the voice PCM interface is @@ -1962,7 +2048,7 @@ static int twl4030_voice_set_dai_sysclk(struct snd_soc_dai *codec_dai, int clk_id, unsigned int freq, int dir) { struct snd_soc_codec *codec = codec_dai->codec; - struct twl4030_priv *twl4030 = codec->private_data; + struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec); if (freq != 26000000) { dev_err(codec->dev, "Unsupported APLL mclk: %u, the Voice" @@ -2108,7 +2194,6 @@ static int twl4030_soc_resume(struct platform_device *pdev) struct snd_soc_codec *codec = socdev->card->codec; twl4030_set_bias_level(codec, SND_SOC_BIAS_STANDBY); - twl4030_set_bias_level(codec, codec->suspend_bias_level); return 0; } @@ -2125,7 +2210,7 @@ static int twl4030_soc_probe(struct platform_device *pdev) BUG_ON(!twl4030_codec); codec = twl4030_codec; - twl4030 = codec->private_data; + twl4030 = snd_soc_codec_get_drvdata(codec); socdev->card->codec = codec; /* Configuration for headset ramp delay from setup data */ @@ -2188,7 +2273,7 @@ static int __devinit twl4030_codec_probe(struct platform_device *pdev) } codec = &twl4030->codec; - codec->private_data = twl4030; + snd_soc_codec_set_drvdata(codec, twl4030); codec->dev = &pdev->dev; twl4030_dai[0].dev = &pdev->dev; twl4030_dai[1].dev = &pdev->dev; |