diff options
Diffstat (limited to 'sound/soc/codecs/twl4030.c')
| -rw-r--r-- | sound/soc/codecs/twl4030.c | 536 |
1 files changed, 390 insertions, 146 deletions
diff --git a/sound/soc/codecs/twl4030.c b/sound/soc/codecs/twl4030.c index fd0f338374a..97738e2ece0 100644 --- a/sound/soc/codecs/twl4030.c +++ b/sound/soc/codecs/twl4030.c @@ -42,7 +42,7 @@ */ static const u8 twl4030_reg[TWL4030_CACHEREGNUM] = { 0x00, /* this register not used */ - 0x93, /* REG_CODEC_MODE (0x1) */ + 0x91, /* REG_CODEC_MODE (0x1) */ 0xc3, /* REG_OPTION (0x2) */ 0x00, /* REG_UNKNOWN (0x3) */ 0x00, /* REG_MICBIAS_CTL (0x4) */ @@ -117,6 +117,13 @@ static const u8 twl4030_reg[TWL4030_CACHEREGNUM] = { 0x00, /* REG_MISC_SET_2 (0x49) */ }; +/* codec private data */ +struct twl4030_priv { + unsigned int bypass_state; + unsigned int codec_powered; + unsigned int codec_muted; +}; + /* * read twl4030 register cache */ @@ -125,6 +132,9 @@ static inline unsigned int twl4030_read_reg_cache(struct snd_soc_codec *codec, { u8 *cache = codec->reg_cache; + if (reg >= TWL4030_CACHEREGNUM) + return -EIO; + return cache[reg]; } @@ -151,26 +161,22 @@ static int twl4030_write(struct snd_soc_codec *codec, return twl4030_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE, value, reg); } -static void twl4030_clear_codecpdz(struct snd_soc_codec *codec) +static void twl4030_codec_enable(struct snd_soc_codec *codec, int enable) { + struct twl4030_priv *twl4030 = codec->private_data; u8 mode; - mode = twl4030_read_reg_cache(codec, TWL4030_REG_CODEC_MODE); - twl4030_write(codec, TWL4030_REG_CODEC_MODE, - mode & ~TWL4030_CODECPDZ); - - /* REVISIT: this delay is present in TI sample drivers */ - /* but there seems to be no TRM requirement for it */ - udelay(10); -} - -static void twl4030_set_codecpdz(struct snd_soc_codec *codec) -{ - u8 mode; + if (enable == twl4030->codec_powered) + return; mode = twl4030_read_reg_cache(codec, TWL4030_REG_CODEC_MODE); - twl4030_write(codec, TWL4030_REG_CODEC_MODE, - mode | TWL4030_CODECPDZ); + if (enable) + mode |= TWL4030_CODECPDZ; + else + mode &= ~TWL4030_CODECPDZ; + + twl4030_write(codec, TWL4030_REG_CODEC_MODE, mode); + twl4030->codec_powered = enable; /* REVISIT: this delay is present in TI sample drivers */ /* but there seems to be no TRM requirement for it */ @@ -182,7 +188,7 @@ static void twl4030_init_chip(struct snd_soc_codec *codec) int i; /* clear CODECPDZ prior to setting register defaults */ - twl4030_clear_codecpdz(codec); + twl4030_codec_enable(codec, 0); /* set all audio section registers to reasonable defaults */ for (i = TWL4030_REG_OPTION; i <= TWL4030_REG_MISC_SET_2; i++) @@ -190,6 +196,122 @@ static void twl4030_init_chip(struct snd_soc_codec *codec) } +static void twl4030_codec_mute(struct snd_soc_codec *codec, int mute) +{ + struct twl4030_priv *twl4030 = codec->private_data; + u8 reg_val; + + if (mute == twl4030->codec_muted) + return; + + if (mute) { + /* Bypass the reg_cache and mute the volumes + * Headset mute is done in it's own event handler + * Things to mute: Earpiece, PreDrivL/R, CarkitL/R + */ + reg_val = twl4030_read_reg_cache(codec, TWL4030_REG_EAR_CTL); + twl4030_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE, + reg_val & (~TWL4030_EAR_GAIN), + TWL4030_REG_EAR_CTL); + + reg_val = twl4030_read_reg_cache(codec, TWL4030_REG_PREDL_CTL); + twl4030_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE, + reg_val & (~TWL4030_PREDL_GAIN), + TWL4030_REG_PREDL_CTL); + reg_val = twl4030_read_reg_cache(codec, TWL4030_REG_PREDR_CTL); + twl4030_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE, + reg_val & (~TWL4030_PREDR_GAIN), + TWL4030_REG_PREDL_CTL); + + reg_val = twl4030_read_reg_cache(codec, TWL4030_REG_PRECKL_CTL); + twl4030_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE, + reg_val & (~TWL4030_PRECKL_GAIN), + TWL4030_REG_PRECKL_CTL); + reg_val = twl4030_read_reg_cache(codec, TWL4030_REG_PRECKR_CTL); + twl4030_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE, + reg_val & (~TWL4030_PRECKL_GAIN), + TWL4030_REG_PRECKR_CTL); + + /* Disable PLL */ + reg_val = twl4030_read_reg_cache(codec, TWL4030_REG_APLL_CTL); + reg_val &= ~TWL4030_APLL_EN; + twl4030_write(codec, TWL4030_REG_APLL_CTL, reg_val); + } else { + /* Restore the volumes + * Headset mute is done in it's own event handler + * Things to restore: Earpiece, PreDrivL/R, CarkitL/R + */ + twl4030_write(codec, TWL4030_REG_EAR_CTL, + twl4030_read_reg_cache(codec, TWL4030_REG_EAR_CTL)); + + twl4030_write(codec, TWL4030_REG_PREDL_CTL, + twl4030_read_reg_cache(codec, TWL4030_REG_PREDL_CTL)); + twl4030_write(codec, TWL4030_REG_PREDR_CTL, + twl4030_read_reg_cache(codec, TWL4030_REG_PREDR_CTL)); + + twl4030_write(codec, TWL4030_REG_PRECKL_CTL, + twl4030_read_reg_cache(codec, TWL4030_REG_PRECKL_CTL)); + twl4030_write(codec, TWL4030_REG_PRECKR_CTL, + twl4030_read_reg_cache(codec, TWL4030_REG_PRECKR_CTL)); + + /* Enable PLL */ + reg_val = twl4030_read_reg_cache(codec, TWL4030_REG_APLL_CTL); + reg_val |= TWL4030_APLL_EN; + twl4030_write(codec, TWL4030_REG_APLL_CTL, reg_val); + } + + twl4030->codec_muted = mute; +} + +static void twl4030_power_up(struct snd_soc_codec *codec) +{ + struct twl4030_priv *twl4030 = codec->private_data; + u8 anamicl, regmisc1, byte; + int i = 0; + + if (twl4030->codec_powered) + return; + + /* set CODECPDZ to turn on codec */ + twl4030_codec_enable(codec, 1); + + /* initiate offset cancellation */ + anamicl = twl4030_read_reg_cache(codec, TWL4030_REG_ANAMICL); + twl4030_write(codec, TWL4030_REG_ANAMICL, + anamicl | TWL4030_CNCL_OFFSET_START); + + /* wait for offset cancellation to complete */ + do { + /* this takes a little while, so don't slam i2c */ + udelay(2000); + twl4030_i2c_read_u8(TWL4030_MODULE_AUDIO_VOICE, &byte, + TWL4030_REG_ANAMICL); + } while ((i++ < 100) && + ((byte & TWL4030_CNCL_OFFSET_START) == + TWL4030_CNCL_OFFSET_START)); + + /* Make sure that the reg_cache has the same value as the HW */ + twl4030_write_reg_cache(codec, TWL4030_REG_ANAMICL, byte); + + /* anti-pop when changing analog gain */ + regmisc1 = twl4030_read_reg_cache(codec, TWL4030_REG_MISC_SET_1); + twl4030_write(codec, TWL4030_REG_MISC_SET_1, + regmisc1 | TWL4030_SMOOTH_ANAVOL_EN); + + /* toggle CODECPDZ as per TRM */ + twl4030_codec_enable(codec, 0); + twl4030_codec_enable(codec, 1); +} + +/* + * Unconditional power down + */ +static void twl4030_power_down(struct snd_soc_codec *codec) +{ + /* power down */ + twl4030_codec_enable(codec, 0); +} + /* Earpiece */ static const char *twl4030_earpiece_texts[] = {"Off", "DACL1", "DACL2", "DACR1"}; @@ -197,7 +319,7 @@ static const char *twl4030_earpiece_texts[] = static const unsigned int twl4030_earpiece_values[] = {0x0, 0x1, 0x2, 0x4}; -static const struct soc_value_enum twl4030_earpiece_enum = +static const struct soc_enum twl4030_earpiece_enum = SOC_VALUE_ENUM_SINGLE(TWL4030_REG_EAR_CTL, 1, 0x7, ARRAY_SIZE(twl4030_earpiece_texts), twl4030_earpiece_texts, @@ -213,7 +335,7 @@ static const char *twl4030_predrivel_texts[] = static const unsigned int twl4030_predrivel_values[] = {0x0, 0x1, 0x2, 0x4}; -static const struct soc_value_enum twl4030_predrivel_enum = +static const struct soc_enum twl4030_predrivel_enum = SOC_VALUE_ENUM_SINGLE(TWL4030_REG_PREDL_CTL, 1, 0x7, ARRAY_SIZE(twl4030_predrivel_texts), twl4030_predrivel_texts, @@ -229,7 +351,7 @@ static const char *twl4030_predriver_texts[] = static const unsigned int twl4030_predriver_values[] = {0x0, 0x1, 0x2, 0x4}; -static const struct soc_value_enum twl4030_predriver_enum = +static const struct soc_enum twl4030_predriver_enum = SOC_VALUE_ENUM_SINGLE(TWL4030_REG_PREDR_CTL, 1, 0x7, ARRAY_SIZE(twl4030_predriver_texts), twl4030_predriver_texts, @@ -317,7 +439,7 @@ static const char *twl4030_analoglmic_texts[] = static const unsigned int twl4030_analoglmic_values[] = {0x0, 0x1, 0x2, 0x4, 0x8}; -static const struct soc_value_enum twl4030_analoglmic_enum = +static const struct soc_enum twl4030_analoglmic_enum = SOC_VALUE_ENUM_SINGLE(TWL4030_REG_ANAMICL, 0, 0xf, ARRAY_SIZE(twl4030_analoglmic_texts), twl4030_analoglmic_texts, @@ -333,7 +455,7 @@ static const char *twl4030_analogrmic_texts[] = static const unsigned int twl4030_analogrmic_values[] = {0x0, 0x1, 0x4}; -static const struct soc_value_enum twl4030_analogrmic_enum = +static const struct soc_enum twl4030_analogrmic_enum = SOC_VALUE_ENUM_SINGLE(TWL4030_REG_ANAMICR, 0, 0x5, ARRAY_SIZE(twl4030_analogrmic_texts), twl4030_analogrmic_texts, @@ -366,6 +488,41 @@ static const struct soc_enum twl4030_micpathtx2_enum = static const struct snd_kcontrol_new twl4030_dapm_micpathtx2_control = SOC_DAPM_ENUM("Route", twl4030_micpathtx2_enum); +/* Analog bypass for AudioR1 */ +static const struct snd_kcontrol_new twl4030_dapm_abypassr1_control = + SOC_DAPM_SINGLE("Switch", TWL4030_REG_ARXR1_APGA_CTL, 2, 1, 0); + +/* Analog bypass for AudioL1 */ +static const struct snd_kcontrol_new twl4030_dapm_abypassl1_control = + SOC_DAPM_SINGLE("Switch", TWL4030_REG_ARXL1_APGA_CTL, 2, 1, 0); + +/* Analog bypass for AudioR2 */ +static const struct snd_kcontrol_new twl4030_dapm_abypassr2_control = + SOC_DAPM_SINGLE("Switch", TWL4030_REG_ARXR2_APGA_CTL, 2, 1, 0); + +/* Analog bypass for AudioL2 */ +static const struct snd_kcontrol_new twl4030_dapm_abypassl2_control = + SOC_DAPM_SINGLE("Switch", TWL4030_REG_ARXL2_APGA_CTL, 2, 1, 0); + +/* Digital bypass gain, 0 mutes the bypass */ +static const unsigned int twl4030_dapm_dbypass_tlv[] = { + TLV_DB_RANGE_HEAD(2), + 0, 3, TLV_DB_SCALE_ITEM(-2400, 0, 1), + 4, 7, TLV_DB_SCALE_ITEM(-1800, 600, 0), +}; + +/* Digital bypass left (TX1L -> RX2L) */ +static const struct snd_kcontrol_new twl4030_dapm_dbypassl_control = + SOC_DAPM_SINGLE_TLV("Volume", + TWL4030_REG_ATX2ARXPGA, 3, 7, 0, + twl4030_dapm_dbypass_tlv); + +/* Digital bypass right (TX1R -> RX2R) */ +static const struct snd_kcontrol_new twl4030_dapm_dbypassr_control = + SOC_DAPM_SINGLE_TLV("Volume", + TWL4030_REG_ATX2ARXPGA, 0, 7, 0, + twl4030_dapm_dbypass_tlv); + static int micpath_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { @@ -420,6 +577,79 @@ static int handsfree_event(struct snd_soc_dapm_widget *w, return 0; } +static int headsetl_event(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *kcontrol, int event) +{ + unsigned char hs_gain, hs_pop; + + /* Save the current volume */ + hs_gain = twl4030_read_reg_cache(w->codec, TWL4030_REG_HS_GAIN_SET); + hs_pop = twl4030_read_reg_cache(w->codec, TWL4030_REG_HS_POPN_SET); + + switch (event) { + case SND_SOC_DAPM_POST_PMU: + /* Do the anti-pop/bias ramp enable according to the TRM */ + hs_pop |= TWL4030_VMID_EN; + twl4030_write(w->codec, TWL4030_REG_HS_POPN_SET, hs_pop); + /* Is this needed? Can we just use whatever gain here? */ + twl4030_write(w->codec, TWL4030_REG_HS_GAIN_SET, + (hs_gain & (~0x0f)) | 0x0a); + hs_pop |= TWL4030_RAMP_EN; + twl4030_write(w->codec, TWL4030_REG_HS_POPN_SET, hs_pop); + + /* Restore the original volume */ + twl4030_write(w->codec, TWL4030_REG_HS_GAIN_SET, hs_gain); + break; + case SND_SOC_DAPM_POST_PMD: + /* Do the anti-pop/bias ramp disable according to the TRM */ + hs_pop &= ~TWL4030_RAMP_EN; + twl4030_write(w->codec, TWL4030_REG_HS_POPN_SET, hs_pop); + /* Bypass the reg_cache to mute the headset */ + twl4030_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE, + hs_gain & (~0x0f), + TWL4030_REG_HS_GAIN_SET); + hs_pop &= ~TWL4030_VMID_EN; + twl4030_write(w->codec, TWL4030_REG_HS_POPN_SET, hs_pop); + break; + } + return 0; +} + +static int bypass_event(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *kcontrol, int event) +{ + struct soc_mixer_control *m = + (struct soc_mixer_control *)w->kcontrols->private_value; + struct twl4030_priv *twl4030 = w->codec->private_data; + unsigned char reg; + + reg = twl4030_read_reg_cache(w->codec, m->reg); + + if (m->reg <= TWL4030_REG_ARXR2_APGA_CTL) { + /* Analog bypass */ + if (reg & (1 << m->shift)) + twl4030->bypass_state |= + (1 << (m->reg - TWL4030_REG_ARXL1_APGA_CTL)); + else + twl4030->bypass_state &= + ~(1 << (m->reg - TWL4030_REG_ARXL1_APGA_CTL)); + } else { + /* Digital bypass */ + if (reg & (0x7 << m->shift)) + twl4030->bypass_state |= (1 << (m->shift ? 5 : 4)); + else + twl4030->bypass_state &= ~(1 << (m->shift ? 5 : 4)); + } + + if (w->codec->bias_level == SND_SOC_BIAS_STANDBY) { + if (twl4030->bypass_state) + twl4030_codec_mute(w->codec, 0); + else + twl4030_codec_mute(w->codec, 1); + } + return 0; +} + /* * Some of the gain controls in TWL (mostly those which are associated with * the outputs) are implemented in an interesting way: @@ -614,6 +844,17 @@ static DECLARE_TLV_DB_SCALE(digital_capture_tlv, 0, 100, 0); */ static DECLARE_TLV_DB_SCALE(input_gain_tlv, 0, 600, 0); +static const char *twl4030_rampdelay_texts[] = { + "27/20/14 ms", "55/40/27 ms", "109/81/55 ms", "218/161/109 ms", + "437/323/218 ms", "874/645/437 ms", "1748/1291/874 ms", + "3495/2581/1748 ms" +}; + +static const struct soc_enum twl4030_rampdelay_enum = + SOC_ENUM_SINGLE(TWL4030_REG_HS_POPN_SET, 2, + ARRAY_SIZE(twl4030_rampdelay_texts), + twl4030_rampdelay_texts); + static const struct snd_kcontrol_new twl4030_snd_controls[] = { /* Common playback gain controls */ SOC_DOUBLE_R_TLV("DAC1 Digital Fine Playback Volume", @@ -668,23 +909,9 @@ static const struct snd_kcontrol_new twl4030_snd_controls[] = { SOC_DOUBLE_TLV("Analog Capture Volume", TWL4030_REG_ANAMIC_GAIN, 0, 3, 5, 0, input_gain_tlv), -}; -/* add non dapm controls */ -static int twl4030_add_controls(struct snd_soc_codec *codec) -{ - int err, i; - - for (i = 0; i < ARRAY_SIZE(twl4030_snd_controls); i++) { - err = snd_ctl_add(codec->card, - snd_soc_cnew(&twl4030_snd_controls[i], - codec, NULL)); - if (err < 0) - return err; - } - - return 0; -} + SOC_ENUM("HS ramp delay", twl4030_rampdelay_enum), +}; static const struct snd_soc_dapm_widget twl4030_dapm_widgets[] = { /* Left channel inputs */ @@ -714,13 +941,13 @@ static const struct snd_soc_dapm_widget twl4030_dapm_widgets[] = { /* DACs */ SND_SOC_DAPM_DAC("DAC Right1", "Right Front Playback", - TWL4030_REG_AVDAC_CTL, 0, 0), + SND_SOC_NOPM, 0, 0), SND_SOC_DAPM_DAC("DAC Left1", "Left Front Playback", - TWL4030_REG_AVDAC_CTL, 1, 0), + SND_SOC_NOPM, 0, 0), SND_SOC_DAPM_DAC("DAC Right2", "Right Rear Playback", - TWL4030_REG_AVDAC_CTL, 2, 0), + SND_SOC_NOPM, 0, 0), SND_SOC_DAPM_DAC("DAC Left2", "Left Rear Playback", - TWL4030_REG_AVDAC_CTL, 3, 0), + SND_SOC_NOPM, 0, 0), /* Analog PGAs */ SND_SOC_DAPM_PGA("ARXR1_APGA", TWL4030_REG_ARXR1_APGA_CTL, @@ -732,6 +959,37 @@ static const struct snd_soc_dapm_widget twl4030_dapm_widgets[] = { SND_SOC_DAPM_PGA("ARXL2_APGA", TWL4030_REG_ARXL2_APGA_CTL, 0, 0, NULL, 0), + /* Analog bypasses */ + SND_SOC_DAPM_SWITCH_E("Right1 Analog Loopback", SND_SOC_NOPM, 0, 0, + &twl4030_dapm_abypassr1_control, bypass_event, + SND_SOC_DAPM_POST_REG), + SND_SOC_DAPM_SWITCH_E("Left1 Analog Loopback", SND_SOC_NOPM, 0, 0, + &twl4030_dapm_abypassl1_control, + bypass_event, SND_SOC_DAPM_POST_REG), + SND_SOC_DAPM_SWITCH_E("Right2 Analog Loopback", SND_SOC_NOPM, 0, 0, + &twl4030_dapm_abypassr2_control, + bypass_event, SND_SOC_DAPM_POST_REG), + SND_SOC_DAPM_SWITCH_E("Left2 Analog Loopback", SND_SOC_NOPM, 0, 0, + &twl4030_dapm_abypassl2_control, + bypass_event, SND_SOC_DAPM_POST_REG), + + /* Digital bypasses */ + SND_SOC_DAPM_SWITCH_E("Left Digital Loopback", SND_SOC_NOPM, 0, 0, + &twl4030_dapm_dbypassl_control, bypass_event, + SND_SOC_DAPM_POST_REG), + SND_SOC_DAPM_SWITCH_E("Right Digital Loopback", SND_SOC_NOPM, 0, 0, + &twl4030_dapm_dbypassr_control, bypass_event, + SND_SOC_DAPM_POST_REG), + + SND_SOC_DAPM_MIXER("Analog R1 Playback Mixer", TWL4030_REG_AVDAC_CTL, + 0, 0, NULL, 0), + SND_SOC_DAPM_MIXER("Analog L1 Playback Mixer", TWL4030_REG_AVDAC_CTL, + 1, 0, NULL, 0), + SND_SOC_DAPM_MIXER("Analog R2 Playback Mixer", TWL4030_REG_AVDAC_CTL, + 2, 0, NULL, 0), + SND_SOC_DAPM_MIXER("Analog L2 Playback Mixer", TWL4030_REG_AVDAC_CTL, + 3, 0, NULL, 0), + /* Output MUX controls */ /* Earpiece */ SND_SOC_DAPM_VALUE_MUX("Earpiece Mux", SND_SOC_NOPM, 0, 0, @@ -742,8 +1000,9 @@ static const struct snd_soc_dapm_widget twl4030_dapm_widgets[] = { SND_SOC_DAPM_VALUE_MUX("PredriveR Mux", SND_SOC_NOPM, 0, 0, &twl4030_dapm_predriver_control), /* HeadsetL/R */ - SND_SOC_DAPM_MUX("HeadsetL Mux", SND_SOC_NOPM, 0, 0, - &twl4030_dapm_hsol_control), + SND_SOC_DAPM_MUX_E("HeadsetL Mux", SND_SOC_NOPM, 0, 0, + &twl4030_dapm_hsol_control, headsetl_event, + SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD), SND_SOC_DAPM_MUX("HeadsetR Mux", SND_SOC_NOPM, 0, 0, &twl4030_dapm_hsor_control), /* CarkitL/R */ @@ -782,16 +1041,16 @@ static const struct snd_soc_dapm_widget twl4030_dapm_widgets[] = { SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD| SND_SOC_DAPM_POST_REG), - /* Analog input muxes with power switch for the physical ADCL/R */ + /* Analog input muxes with switch for the capture amplifiers */ SND_SOC_DAPM_VALUE_MUX("Analog Left Capture Route", - TWL4030_REG_AVADC_CTL, 3, 0, &twl4030_dapm_analoglmic_control), + TWL4030_REG_ANAMICL, 4, 0, &twl4030_dapm_analoglmic_control), SND_SOC_DAPM_VALUE_MUX("Analog Right Capture Route", - TWL4030_REG_AVADC_CTL, 1, 0, &twl4030_dapm_analogrmic_control), + TWL4030_REG_ANAMICR, 4, 0, &twl4030_dapm_analogrmic_control), - SND_SOC_DAPM_PGA("Analog Left Amplifier", - TWL4030_REG_ANAMICL, 4, 0, NULL, 0), - SND_SOC_DAPM_PGA("Analog Right Amplifier", - TWL4030_REG_ANAMICR, 4, 0, NULL, 0), + SND_SOC_DAPM_PGA("ADC Physical Left", + TWL4030_REG_AVADC_CTL, 3, 0, NULL, 0), + SND_SOC_DAPM_PGA("ADC Physical Right", + TWL4030_REG_AVADC_CTL, 1, 0, NULL, 0), SND_SOC_DAPM_PGA("Digimic0 Enable", TWL4030_REG_ADCMICSEL, 1, 0, NULL, 0), @@ -801,13 +1060,19 @@ static const struct snd_soc_dapm_widget twl4030_dapm_widgets[] = { SND_SOC_DAPM_MICBIAS("Mic Bias 1", TWL4030_REG_MICBIAS_CTL, 0, 0), SND_SOC_DAPM_MICBIAS("Mic Bias 2", TWL4030_REG_MICBIAS_CTL, 1, 0), SND_SOC_DAPM_MICBIAS("Headset Mic Bias", TWL4030_REG_MICBIAS_CTL, 2, 0), + }; static const struct snd_soc_dapm_route intercon[] = { - {"ARXL1_APGA", NULL, "DAC Left1"}, - {"ARXR1_APGA", NULL, "DAC Right1"}, - {"ARXL2_APGA", NULL, "DAC Left2"}, - {"ARXR2_APGA", NULL, "DAC Right2"}, + {"Analog L1 Playback Mixer", NULL, "DAC Left1"}, + {"Analog R1 Playback Mixer", NULL, "DAC Right1"}, + {"Analog L2 Playback Mixer", NULL, "DAC Left2"}, + {"Analog R2 Playback Mixer", NULL, "DAC Right2"}, + + {"ARXL1_APGA", NULL, "Analog L1 Playback Mixer"}, + {"ARXR1_APGA", NULL, "Analog R1 Playback Mixer"}, + {"ARXL2_APGA", NULL, "Analog L2 Playback Mixer"}, + {"ARXR2_APGA", NULL, "Analog R2 Playback Mixer"}, /* Internal playback routings */ /* Earpiece */ @@ -865,23 +1130,23 @@ static const struct snd_soc_dapm_route intercon[] = { {"Analog Right Capture Route", "Sub mic", "SUBMIC"}, {"Analog Right Capture Route", "AUXR", "AUXR"}, - {"Analog Left Amplifier", NULL, "Analog Left Capture Route"}, - {"Analog Right Amplifier", NULL, "Analog Right Capture Route"}, + {"ADC Physical Left", NULL, "Analog Left Capture Route"}, + {"ADC Physical Right", NULL, "Analog Right Capture Route"}, {"Digimic0 Enable", NULL, "DIGIMIC0"}, {"Digimic1 Enable", NULL, "DIGIMIC1"}, /* TX1 Left capture path */ - {"TX1 Capture Route", "Analog", "Analog Left Amplifier"}, + {"TX1 Capture Route", "Analog", "ADC Physical Left"}, {"TX1 Capture Route", "Digimic0", "Digimic0 Enable"}, /* TX1 Right capture path */ - {"TX1 Capture Route", "Analog", "Analog Right Amplifier"}, + {"TX1 Capture Route", "Analog", "ADC Physical Right"}, {"TX1 Capture Route", "Digimic0", "Digimic0 Enable"}, /* TX2 Left capture path */ - {"TX2 Capture Route", "Analog", "Analog Left Amplifier"}, + {"TX2 Capture Route", "Analog", "ADC Physical Left"}, {"TX2 Capture Route", "Digimic1", "Digimic1 Enable"}, /* TX2 Right capture path */ - {"TX2 Capture Route", "Analog", "Analog Right Amplifier"}, + {"TX2 Capture Route", "Analog", "ADC Physical Right"}, {"TX2 Capture Route", "Digimic1", "Digimic1 Enable"}, {"ADC Virtual Left1", NULL, "TX1 Capture Route"}, @@ -889,6 +1154,24 @@ static const struct snd_soc_dapm_route intercon[] = { {"ADC Virtual Left2", NULL, "TX2 Capture Route"}, {"ADC Virtual Right2", NULL, "TX2 Capture Route"}, + /* Analog bypass routes */ + {"Right1 Analog Loopback", "Switch", "Analog Right Capture Route"}, + {"Left1 Analog Loopback", "Switch", "Analog Left Capture Route"}, + {"Right2 Analog Loopback", "Switch", "Analog Right Capture Route"}, + {"Left2 Analog Loopback", "Switch", "Analog Left Capture Route"}, + + {"Analog R1 Playback Mixer", NULL, "Right1 Analog Loopback"}, + {"Analog L1 Playback Mixer", NULL, "Left1 Analog Loopback"}, + {"Analog R2 Playback Mixer", NULL, "Right2 Analog Loopback"}, + {"Analog L2 Playback Mixer", NULL, "Left2 Analog Loopback"}, + + /* Digital bypass routes */ + {"Right Digital Loopback", "Volume", "TX1 Capture Route"}, + {"Left Digital Loopback", "Volume", "TX1 Capture Route"}, + + {"Analog R2 Playback Mixer", NULL, "Right Digital Loopback"}, + {"Analog L2 Playback Mixer", NULL, "Left Digital Loopback"}, + }; static int twl4030_add_widgets(struct snd_soc_codec *codec) @@ -902,82 +1185,28 @@ static int twl4030_add_widgets(struct snd_soc_codec *codec) return 0; } -static void twl4030_power_up(struct snd_soc_codec *codec) -{ - u8 anamicl, regmisc1, byte, popn; - int i = 0; - - /* set CODECPDZ to turn on codec */ - twl4030_set_codecpdz(codec); - - /* initiate offset cancellation */ - anamicl = twl4030_read_reg_cache(codec, TWL4030_REG_ANAMICL); - twl4030_write(codec, TWL4030_REG_ANAMICL, - anamicl | TWL4030_CNCL_OFFSET_START); - - - /* wait for offset cancellation to complete */ - do { - /* this takes a little while, so don't slam i2c */ - udelay(2000); - twl4030_i2c_read_u8(TWL4030_MODULE_AUDIO_VOICE, &byte, - TWL4030_REG_ANAMICL); - } while ((i++ < 100) && - ((byte & TWL4030_CNCL_OFFSET_START) == - TWL4030_CNCL_OFFSET_START)); - - /* anti-pop when changing analog gain */ - regmisc1 = twl4030_read_reg_cache(codec, TWL4030_REG_MISC_SET_1); - twl4030_write(codec, TWL4030_REG_MISC_SET_1, - regmisc1 | TWL4030_SMOOTH_ANAVOL_EN); - - /* toggle CODECPDZ as per TRM */ - twl4030_clear_codecpdz(codec); - twl4030_set_codecpdz(codec); - - /* program anti-pop with bias ramp delay */ - popn = twl4030_read_reg_cache(codec, TWL4030_REG_HS_POPN_SET); - popn &= TWL4030_RAMP_DELAY; - popn |= TWL4030_RAMP_DELAY_645MS; - twl4030_write(codec, TWL4030_REG_HS_POPN_SET, popn); - popn |= TWL4030_VMID_EN; - twl4030_write(codec, TWL4030_REG_HS_POPN_SET, popn); - - /* enable anti-pop ramp */ - popn |= TWL4030_RAMP_EN; - twl4030_write(codec, TWL4030_REG_HS_POPN_SET, popn); -} - -static void twl4030_power_down(struct snd_soc_codec *codec) -{ - u8 popn; - - /* disable anti-pop ramp */ - popn = twl4030_read_reg_cache(codec, TWL4030_REG_HS_POPN_SET); - popn &= ~TWL4030_RAMP_EN; - twl4030_write(codec, TWL4030_REG_HS_POPN_SET, popn); - - /* disable bias out */ - popn &= ~TWL4030_VMID_EN; - twl4030_write(codec, TWL4030_REG_HS_POPN_SET, popn); - - /* power down */ - twl4030_clear_codecpdz(codec); -} - static int twl4030_set_bias_level(struct snd_soc_codec *codec, enum snd_soc_bias_level level) { + struct twl4030_priv *twl4030 = codec->private_data; + switch (level) { case SND_SOC_BIAS_ON: - twl4030_power_up(codec); + twl4030_codec_mute(codec, 0); break; case SND_SOC_BIAS_PREPARE: - /* TODO: develop a twl4030_prepare function */ + twl4030_power_up(codec); + if (twl4030->bypass_state) + twl4030_codec_mute(codec, 0); + else + twl4030_codec_mute(codec, 1); break; case SND_SOC_BIAS_STANDBY: - /* TODO: develop a twl4030_standby function */ - twl4030_power_down(codec); + twl4030_power_up(codec); + if (twl4030->bypass_state) + twl4030_codec_mute(codec, 0); + else + twl4030_codec_mute(codec, 1); break; case SND_SOC_BIAS_OFF: twl4030_power_down(codec); @@ -994,10 +1223,9 @@ 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->codec; + struct snd_soc_codec *codec = socdev->card->codec; u8 mode, old_mode, format, old_format; - /* bit rate */ old_mode = twl4030_read_reg_cache(codec, TWL4030_REG_CODEC_MODE) & ~TWL4030_CODECPDZ; @@ -1039,8 +1267,9 @@ static int twl4030_hw_params(struct snd_pcm_substream *substream, if (mode != old_mode) { /* change rate and set CODECPDZ */ + twl4030_codec_enable(codec, 0); twl4030_write(codec, TWL4030_REG_CODEC_MODE, mode); - twl4030_set_codecpdz(codec); + twl4030_codec_enable(codec, 1); } /* sample size */ @@ -1063,13 +1292,13 @@ static int twl4030_hw_params(struct snd_pcm_substream *substream, if (format != old_format) { /* clear CODECPDZ before changing format (codec requirement) */ - twl4030_clear_codecpdz(codec); + twl4030_codec_enable(codec, 0); /* change format */ twl4030_write(codec, TWL4030_REG_AUDIO_IF, format); /* set CODECPDZ afterwards */ - twl4030_set_codecpdz(codec); + twl4030_codec_enable(codec, 1); } return 0; } @@ -1139,13 +1368,13 @@ static int twl4030_set_dai_fmt(struct snd_soc_dai *codec_dai, if (format != old_format) { /* clear CODECPDZ before changing format (codec requirement) */ - twl4030_clear_codecpdz(codec); + twl4030_codec_enable(codec, 0); /* change format */ twl4030_write(codec, TWL4030_REG_AUDIO_IF, format); /* set CODECPDZ afterwards */ - twl4030_set_codecpdz(codec); + twl4030_codec_enable(codec, 1); } return 0; @@ -1154,6 +1383,12 @@ static int twl4030_set_dai_fmt(struct snd_soc_dai *codec_dai, #define TWL4030_RATES (SNDRV_PCM_RATE_8000_48000) #define TWL4030_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FORMAT_S24_LE) +static struct snd_soc_dai_ops twl4030_dai_ops = { + .hw_params = twl4030_hw_params, + .set_sysclk = twl4030_set_dai_sysclk, + .set_fmt = twl4030_set_dai_fmt, +}; + struct snd_soc_dai twl4030_dai = { .name = "twl4030", .playback = { @@ -1168,18 +1403,14 @@ struct snd_soc_dai twl4030_dai = { .channels_max = 2, .rates = TWL4030_RATES, .formats = TWL4030_FORMATS,}, - .ops = { - .hw_params = twl4030_hw_params, - .set_sysclk = twl4030_set_dai_sysclk, - .set_fmt = twl4030_set_dai_fmt, - } + .ops = &twl4030_dai_ops, }; EXPORT_SYMBOL_GPL(twl4030_dai); static int twl4030_suspend(struct platform_device *pdev, pm_message_t state) { struct snd_soc_device *socdev = platform_get_drvdata(pdev); - struct snd_soc_codec *codec = socdev->codec; + struct snd_soc_codec *codec = socdev->card->codec; twl4030_set_bias_level(codec, SND_SOC_BIAS_OFF); @@ -1189,7 +1420,7 @@ static int twl4030_suspend(struct platform_device *pdev, pm_message_t state) static int twl4030_resume(struct platform_device *pdev) { struct snd_soc_device *socdev = platform_get_drvdata(pdev); - struct snd_soc_codec *codec = socdev->codec; + 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); @@ -1203,7 +1434,7 @@ static int twl4030_resume(struct platform_device *pdev) static int twl4030_init(struct snd_soc_device *socdev) { - struct snd_soc_codec *codec = socdev->codec; + struct snd_soc_codec *codec = socdev->card->codec; int ret = 0; printk(KERN_INFO "TWL4030 Audio Codec init \n"); @@ -1233,7 +1464,8 @@ static int twl4030_init(struct snd_soc_device *socdev) /* power on device */ twl4030_set_bias_level(codec, SND_SOC_BIAS_STANDBY); - twl4030_add_controls(codec); + snd_soc_add_controls(codec, twl4030_snd_controls, + ARRAY_SIZE(twl4030_snd_controls)); twl4030_add_widgets(codec); ret = snd_soc_init_card(socdev); @@ -1258,12 +1490,20 @@ static int twl4030_probe(struct platform_device *pdev) { struct snd_soc_device *socdev = platform_get_drvdata(pdev); struct snd_soc_codec *codec; + struct twl4030_priv *twl4030; codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL); if (codec == NULL) return -ENOMEM; - socdev->codec = codec; + twl4030 = kzalloc(sizeof(struct twl4030_priv), GFP_KERNEL); + if (twl4030 == NULL) { + kfree(codec); + return -ENOMEM; + } + + codec->private_data = twl4030; + socdev->card->codec = codec; mutex_init(&codec->mutex); INIT_LIST_HEAD(&codec->dapm_widgets); INIT_LIST_HEAD(&codec->dapm_paths); @@ -1277,9 +1517,13 @@ static int twl4030_probe(struct platform_device *pdev) static int twl4030_remove(struct platform_device *pdev) { struct snd_soc_device *socdev = platform_get_drvdata(pdev); - struct snd_soc_codec *codec = socdev->codec; + struct snd_soc_codec *codec = socdev->card->codec; printk(KERN_INFO "TWL4030 Audio Codec remove\n"); + twl4030_set_bias_level(codec, SND_SOC_BIAS_OFF); + snd_soc_free_pcms(socdev); + snd_soc_dapm_free(socdev); + kfree(codec->private_data); kfree(codec); return 0; |