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Diffstat (limited to 'sound/soc/codecs/twl4030.c')
-rw-r--r--sound/soc/codecs/twl4030.c388
1 files changed, 212 insertions, 176 deletions
diff --git a/sound/soc/codecs/twl4030.c b/sound/soc/codecs/twl4030.c
index b4fcdb01fc49..7b618bbff884 100644
--- a/sound/soc/codecs/twl4030.c
+++ b/sound/soc/codecs/twl4030.c
@@ -43,37 +43,37 @@
*/
static const u8 twl4030_reg[TWL4030_CACHEREGNUM] = {
0x00, /* this register not used */
- 0x91, /* REG_CODEC_MODE (0x1) */
- 0xc3, /* REG_OPTION (0x2) */
+ 0x00, /* REG_CODEC_MODE (0x1) */
+ 0x00, /* REG_OPTION (0x2) */
0x00, /* REG_UNKNOWN (0x3) */
0x00, /* REG_MICBIAS_CTL (0x4) */
- 0x20, /* REG_ANAMICL (0x5) */
+ 0x00, /* REG_ANAMICL (0x5) */
0x00, /* REG_ANAMICR (0x6) */
0x00, /* REG_AVADC_CTL (0x7) */
0x00, /* REG_ADCMICSEL (0x8) */
0x00, /* REG_DIGMIXING (0x9) */
- 0x0c, /* REG_ATXL1PGA (0xA) */
- 0x0c, /* REG_ATXR1PGA (0xB) */
- 0x00, /* REG_AVTXL2PGA (0xC) */
- 0x00, /* REG_AVTXR2PGA (0xD) */
+ 0x0f, /* REG_ATXL1PGA (0xA) */
+ 0x0f, /* REG_ATXR1PGA (0xB) */
+ 0x0f, /* REG_AVTXL2PGA (0xC) */
+ 0x0f, /* REG_AVTXR2PGA (0xD) */
0x00, /* REG_AUDIO_IF (0xE) */
0x00, /* REG_VOICE_IF (0xF) */
- 0x00, /* REG_ARXR1PGA (0x10) */
- 0x00, /* REG_ARXL1PGA (0x11) */
- 0x6c, /* REG_ARXR2PGA (0x12) */
- 0x6c, /* REG_ARXL2PGA (0x13) */
- 0x00, /* REG_VRXPGA (0x14) */
+ 0x3f, /* REG_ARXR1PGA (0x10) */
+ 0x3f, /* REG_ARXL1PGA (0x11) */
+ 0x3f, /* REG_ARXR2PGA (0x12) */
+ 0x3f, /* REG_ARXL2PGA (0x13) */
+ 0x25, /* REG_VRXPGA (0x14) */
0x00, /* REG_VSTPGA (0x15) */
0x00, /* REG_VRX2ARXPGA (0x16) */
0x00, /* REG_AVDAC_CTL (0x17) */
0x00, /* REG_ARX2VTXPGA (0x18) */
- 0x00, /* REG_ARXL1_APGA_CTL (0x19) */
- 0x00, /* REG_ARXR1_APGA_CTL (0x1A) */
- 0x4a, /* REG_ARXL2_APGA_CTL (0x1B) */
- 0x4a, /* REG_ARXR2_APGA_CTL (0x1C) */
+ 0x32, /* REG_ARXL1_APGA_CTL (0x19) */
+ 0x32, /* REG_ARXR1_APGA_CTL (0x1A) */
+ 0x32, /* REG_ARXL2_APGA_CTL (0x1B) */
+ 0x32, /* REG_ARXR2_APGA_CTL (0x1C) */
0x00, /* REG_ATX2ARXPGA (0x1D) */
0x00, /* REG_BT_IF (0x1E) */
- 0x00, /* REG_BTPGA (0x1F) */
+ 0x55, /* REG_BTPGA (0x1F) */
0x00, /* REG_BTSTPGA (0x20) */
0x00, /* REG_EAR_CTL (0x21) */
0x00, /* REG_HS_SEL (0x22) */
@@ -85,32 +85,32 @@ static const u8 twl4030_reg[TWL4030_CACHEREGNUM] = {
0x00, /* REG_PRECKR_CTL (0x28) */
0x00, /* REG_HFL_CTL (0x29) */
0x00, /* REG_HFR_CTL (0x2A) */
- 0x00, /* REG_ALC_CTL (0x2B) */
+ 0x05, /* REG_ALC_CTL (0x2B) */
0x00, /* REG_ALC_SET1 (0x2C) */
0x00, /* REG_ALC_SET2 (0x2D) */
0x00, /* REG_BOOST_CTL (0x2E) */
0x00, /* REG_SOFTVOL_CTL (0x2F) */
- 0x00, /* REG_DTMF_FREQSEL (0x30) */
+ 0x13, /* REG_DTMF_FREQSEL (0x30) */
0x00, /* REG_DTMF_TONEXT1H (0x31) */
0x00, /* REG_DTMF_TONEXT1L (0x32) */
0x00, /* REG_DTMF_TONEXT2H (0x33) */
0x00, /* REG_DTMF_TONEXT2L (0x34) */
- 0x00, /* REG_DTMF_TONOFF (0x35) */
- 0x00, /* REG_DTMF_WANONOFF (0x36) */
+ 0x79, /* REG_DTMF_TONOFF (0x35) */
+ 0x11, /* REG_DTMF_WANONOFF (0x36) */
0x00, /* REG_I2S_RX_SCRAMBLE_H (0x37) */
0x00, /* REG_I2S_RX_SCRAMBLE_M (0x38) */
0x00, /* REG_I2S_RX_SCRAMBLE_L (0x39) */
0x06, /* REG_APLL_CTL (0x3A) */
0x00, /* REG_DTMF_CTL (0x3B) */
- 0x00, /* REG_DTMF_PGA_CTL2 (0x3C) */
- 0x00, /* REG_DTMF_PGA_CTL1 (0x3D) */
+ 0x44, /* REG_DTMF_PGA_CTL2 (0x3C) */
+ 0x69, /* REG_DTMF_PGA_CTL1 (0x3D) */
0x00, /* REG_MISC_SET_1 (0x3E) */
0x00, /* REG_PCMBTMUX (0x3F) */
0x00, /* not used (0x40) */
0x00, /* not used (0x41) */
0x00, /* not used (0x42) */
0x00, /* REG_RX_PATH_SEL (0x43) */
- 0x00, /* REG_VDL_APGA_CTL (0x44) */
+ 0x32, /* REG_VDL_APGA_CTL (0x44) */
0x00, /* REG_VIBRA_CTL (0x45) */
0x00, /* REG_VIBRA_SET (0x46) */
0x00, /* REG_VIBRA_PWM_SET (0x47) */
@@ -143,6 +143,9 @@ struct twl4030_priv {
u8 earpiece_enabled;
u8 predrivel_enabled, predriver_enabled;
u8 carkitl_enabled, carkitr_enabled;
+
+ /* Delay needed after enabling the digimic interface */
+ unsigned int digimic_delay;
};
/*
@@ -244,58 +247,95 @@ static void twl4030_codec_enable(struct snd_soc_codec *codec, int enable)
udelay(10);
}
-static void twl4030_init_chip(struct snd_soc_codec *codec)
+static inline void twl4030_check_defaults(struct snd_soc_codec *codec)
{
- u8 *cache = codec->reg_cache;
- int i;
+ int i, difference = 0;
+ u8 val;
+
+ dev_dbg(codec->dev, "Checking TWL audio default configuration\n");
+ for (i = 1; i <= TWL4030_REG_MISC_SET_2; i++) {
+ twl_i2c_read_u8(TWL4030_MODULE_AUDIO_VOICE, &val, i);
+ if (val != twl4030_reg[i]) {
+ difference++;
+ dev_dbg(codec->dev,
+ "Reg 0x%02x: chip: 0x%02x driver: 0x%02x\n",
+ i, val, twl4030_reg[i]);
+ }
+ }
+ dev_dbg(codec->dev, "Found %d non maching registers. %s\n",
+ difference, difference ? "Not OK" : "OK");
+}
- /* clear CODECPDZ prior to setting register defaults */
- twl4030_codec_enable(codec, 0);
+static inline void twl4030_reset_registers(struct snd_soc_codec *codec)
+{
+ int i;
/* set all audio section registers to reasonable defaults */
for (i = TWL4030_REG_OPTION; i <= TWL4030_REG_MISC_SET_2; i++)
if (i != TWL4030_REG_APLL_CTL)
- twl4030_write(codec, i, cache[i]);
+ twl4030_write(codec, i, twl4030_reg[i]);
}
-static void twl4030_apll_enable(struct snd_soc_codec *codec, int enable)
+static void twl4030_init_chip(struct platform_device *pdev)
{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct twl4030_setup_data *setup = socdev->codec_data;
+ struct snd_soc_codec *codec = socdev->card->codec;
struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec);
- int status = -1;
+ u8 reg, byte;
+ int i = 0;
- 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);
- }
+ /* Check defaults, if instructed before anything else */
+ if (setup && setup->check_defaults)
+ twl4030_check_defaults(codec);
- if (status >= 0)
- twl4030_write_reg_cache(codec, TWL4030_REG_APLL_CTL, status);
-}
+ /* Reset registers, if no setup data or if instructed to do so */
+ if (!setup || (setup && setup->reset_registers))
+ twl4030_reset_registers(codec);
-static void twl4030_power_up(struct snd_soc_codec *codec)
-{
- struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec);
- u8 anamicl, regmisc1, byte;
- int i = 0;
+ /* Refresh APLL_CTL register from HW */
+ twl_i2c_read_u8(TWL4030_MODULE_AUDIO_VOICE, &byte,
+ TWL4030_REG_APLL_CTL);
+ twl4030_write_reg_cache(codec, TWL4030_REG_APLL_CTL, byte);
+
+ /* anti-pop when changing analog gain */
+ reg = twl4030_read_reg_cache(codec, TWL4030_REG_MISC_SET_1);
+ twl4030_write(codec, TWL4030_REG_MISC_SET_1,
+ reg | TWL4030_SMOOTH_ANAVOL_EN);
- if (twl4030->codec_powered)
+ twl4030_write(codec, TWL4030_REG_OPTION,
+ TWL4030_ATXL1_EN | TWL4030_ATXR1_EN |
+ TWL4030_ARXL2_EN | TWL4030_ARXR2_EN);
+
+ /* REG_ARXR2_APGA_CTL reset according to the TRM: 0dB, DA_EN */
+ twl4030_write(codec, TWL4030_REG_ARXR2_APGA_CTL, 0x32);
+
+ /* Machine dependent setup */
+ if (!setup)
return;
- /* set CODECPDZ to turn on codec */
- twl4030_codec_enable(codec, 1);
+ twl4030->digimic_delay = setup->digimic_delay;
+
+ /* Configuration for headset ramp delay from setup data */
+ if (setup->sysclk != twl4030->sysclk)
+ dev_warn(codec->dev,
+ "Mismatch in APLL mclk: %u (configured: %u)\n",
+ setup->sysclk, twl4030->sysclk);
+
+ reg = twl4030_read_reg_cache(codec, TWL4030_REG_HS_POPN_SET);
+ reg &= ~TWL4030_RAMP_DELAY;
+ reg |= (setup->ramp_delay_value << 2);
+ twl4030_write_reg_cache(codec, TWL4030_REG_HS_POPN_SET, reg);
/* initiate offset cancellation */
- anamicl = twl4030_read_reg_cache(codec, TWL4030_REG_ANAMICL);
+ twl4030_codec_enable(codec, 1);
+
+ reg = twl4030_read_reg_cache(codec, TWL4030_REG_ANAMICL);
+ reg &= ~TWL4030_OFFSET_CNCL_SEL;
+ reg |= setup->offset_cncl_path;
twl4030_write(codec, TWL4030_REG_ANAMICL,
- anamicl | TWL4030_CNCL_OFFSET_START);
+ reg | TWL4030_CNCL_OFFSET_START);
/* wait for offset cancellation to complete */
do {
@@ -310,23 +350,28 @@ static void twl4030_power_up(struct snd_soc_codec *codec)
/* 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)
+static void twl4030_apll_enable(struct snd_soc_codec *codec, int enable)
{
- /* power down */
- twl4030_codec_enable(codec, 0);
+ 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);
}
/* Earpiece */
@@ -500,10 +545,11 @@ static const struct snd_kcontrol_new twl4030_dapm_abypassl2_control =
static const struct snd_kcontrol_new twl4030_dapm_abypassv_control =
SOC_DAPM_SINGLE("Switch", TWL4030_REG_VDL_APGA_CTL, 2, 1, 0);
-/* Digital bypass gain, 0 mutes the bypass */
+/* Digital bypass gain, mute instead of -30dB */
static const unsigned int twl4030_dapm_dbypass_tlv[] = {
- TLV_DB_RANGE_HEAD(2),
- 0, 3, TLV_DB_SCALE_ITEM(-2400, 0, 1),
+ TLV_DB_RANGE_HEAD(3),
+ 0, 1, TLV_DB_SCALE_ITEM(-3000, 600, 1),
+ 2, 3, TLV_DB_SCALE_ITEM(-2400, 0, 0),
4, 7, TLV_DB_SCALE_ITEM(-1800, 600, 0),
};
@@ -531,36 +577,6 @@ static const struct snd_kcontrol_new twl4030_dapm_dbypassv_control =
TWL4030_REG_VSTPGA, 0, 0x29, 0,
twl4030_dapm_dbypassv_tlv);
-static int micpath_event(struct snd_soc_dapm_widget *w,
- struct snd_kcontrol *kcontrol, int event)
-{
- struct soc_enum *e = (struct soc_enum *)w->kcontrols->private_value;
- unsigned char adcmicsel, micbias_ctl;
-
- adcmicsel = twl4030_read_reg_cache(w->codec, TWL4030_REG_ADCMICSEL);
- micbias_ctl = twl4030_read_reg_cache(w->codec, TWL4030_REG_MICBIAS_CTL);
- /* Prepare the bits for the given TX path:
- * shift_l == 0: TX1 microphone path
- * shift_l == 2: TX2 microphone path */
- if (e->shift_l) {
- /* TX2 microphone path */
- if (adcmicsel & TWL4030_TX2IN_SEL)
- micbias_ctl |= TWL4030_MICBIAS2_CTL; /* digimic */
- else
- micbias_ctl &= ~TWL4030_MICBIAS2_CTL;
- } else {
- /* TX1 microphone path */
- if (adcmicsel & TWL4030_TX1IN_SEL)
- micbias_ctl |= TWL4030_MICBIAS1_CTL; /* digimic */
- else
- micbias_ctl &= ~TWL4030_MICBIAS1_CTL;
- }
-
- twl4030_write(w->codec, TWL4030_REG_MICBIAS_CTL, micbias_ctl);
-
- return 0;
-}
-
/*
* Output PGA builder:
* Handle the muting and unmuting of the given output (turning off the
@@ -814,6 +830,16 @@ static int headsetrpga_event(struct snd_soc_dapm_widget *w,
return 0;
}
+static int digimic_event(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *kcontrol, int event)
+{
+ struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(w->codec);
+
+ if (twl4030->digimic_delay)
+ mdelay(twl4030->digimic_delay);
+ return 0;
+}
+
/*
* Some of the gain controls in TWL (mostly those which are associated with
* the outputs) are implemented in an interesting way:
@@ -1374,14 +1400,10 @@ static const struct snd_soc_dapm_widget twl4030_dapm_widgets[] = {
/* Analog/Digital mic path selection.
TX1 Left/Right: either analog Left/Right or Digimic0
TX2 Left/Right: either analog Left/Right or Digimic1 */
- SND_SOC_DAPM_MUX_E("TX1 Capture Route", SND_SOC_NOPM, 0, 0,
- &twl4030_dapm_micpathtx1_control, micpath_event,
- SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD|
- SND_SOC_DAPM_POST_REG),
- SND_SOC_DAPM_MUX_E("TX2 Capture Route", SND_SOC_NOPM, 0, 0,
- &twl4030_dapm_micpathtx2_control, micpath_event,
- SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD|
- SND_SOC_DAPM_POST_REG),
+ SND_SOC_DAPM_MUX("TX1 Capture Route", SND_SOC_NOPM, 0, 0,
+ &twl4030_dapm_micpathtx1_control),
+ SND_SOC_DAPM_MUX("TX2 Capture Route", SND_SOC_NOPM, 0, 0,
+ &twl4030_dapm_micpathtx2_control),
/* Analog input mixers for the capture amplifiers */
SND_SOC_DAPM_MIXER("Analog Left",
@@ -1398,10 +1420,17 @@ static const struct snd_soc_dapm_widget twl4030_dapm_widgets[] = {
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),
- SND_SOC_DAPM_PGA("Digimic1 Enable",
- TWL4030_REG_ADCMICSEL, 3, 0, NULL, 0),
+ SND_SOC_DAPM_PGA_E("Digimic0 Enable",
+ TWL4030_REG_ADCMICSEL, 1, 0, NULL, 0,
+ digimic_event, SND_SOC_DAPM_POST_PMU),
+ SND_SOC_DAPM_PGA_E("Digimic1 Enable",
+ TWL4030_REG_ADCMICSEL, 3, 0, NULL, 0,
+ digimic_event, SND_SOC_DAPM_POST_PMU),
+
+ SND_SOC_DAPM_SUPPLY("micbias1 select", TWL4030_REG_MICBIAS_CTL, 5, 0,
+ NULL, 0),
+ SND_SOC_DAPM_SUPPLY("micbias2 select", TWL4030_REG_MICBIAS_CTL, 6, 0,
+ NULL, 0),
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),
@@ -1419,8 +1448,11 @@ static const struct snd_soc_dapm_route intercon[] = {
/* Supply for the digital part (APLL) */
{"Digital Voice Playback Mixer", NULL, "APLL Enable"},
- {"Digital R1 Playback Mixer", NULL, "AIF Enable"},
- {"Digital L1 Playback Mixer", NULL, "AIF Enable"},
+ {"DAC Left1", NULL, "AIF Enable"},
+ {"DAC Right1", NULL, "AIF Enable"},
+ {"DAC Left2", NULL, "AIF Enable"},
+ {"DAC Right1", NULL, "AIF Enable"},
+
{"Digital R2 Playback Mixer", NULL, "AIF Enable"},
{"Digital L2 Playback Mixer", NULL, "AIF Enable"},
@@ -1491,10 +1523,10 @@ static const struct snd_soc_dapm_route intercon[] = {
/* outputs */
/* 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"},
+ {"Virtual HiFi OUT", NULL, "DAC Left1"},
+ {"Virtual HiFi OUT", NULL, "DAC Right1"},
+ {"Virtual HiFi OUT", NULL, "DAC Left2"},
+ {"Virtual HiFi OUT", NULL, "DAC Right2"},
/* Must be always connected (for APLL) */
{"Virtual Voice OUT", NULL, "Digital Voice Playback Mixer"},
/* Physical outputs */
@@ -1531,6 +1563,9 @@ static const struct snd_soc_dapm_route intercon[] = {
{"Digimic0 Enable", NULL, "DIGIMIC0"},
{"Digimic1 Enable", NULL, "DIGIMIC1"},
+ {"DIGIMIC0", NULL, "micbias1 select"},
+ {"DIGIMIC1", NULL, "micbias2 select"},
+
/* TX1 Left capture path */
{"TX1 Capture Route", "Analog", "ADC Physical Left"},
{"TX1 Capture Route", "Digimic0", "Digimic0 Enable"},
@@ -1605,10 +1640,10 @@ static int twl4030_set_bias_level(struct snd_soc_codec *codec,
break;
case SND_SOC_BIAS_STANDBY:
if (codec->bias_level == SND_SOC_BIAS_OFF)
- twl4030_power_up(codec);
+ twl4030_codec_enable(codec, 1);
break;
case SND_SOC_BIAS_OFF:
- twl4030_power_down(codec);
+ twl4030_codec_enable(codec, 0);
break;
}
codec->bias_level = level;
@@ -1794,13 +1829,6 @@ static int twl4030_hw_params(struct snd_pcm_substream *substream,
return -EINVAL;
}
- if (mode != old_mode) {
- /* change rate and set CODECPDZ */
- twl4030_codec_enable(codec, 0);
- twl4030_write(codec, TWL4030_REG_CODEC_MODE, mode);
- twl4030_codec_enable(codec, 1);
- }
-
/* sample size */
old_format = twl4030_read_reg_cache(codec, TWL4030_REG_AUDIO_IF);
format = old_format;
@@ -1818,16 +1846,20 @@ static int twl4030_hw_params(struct snd_pcm_substream *substream,
return -EINVAL;
}
- if (format != old_format) {
-
- /* clear CODECPDZ before changing format (codec requirement) */
- twl4030_codec_enable(codec, 0);
-
- /* change format */
- twl4030_write(codec, TWL4030_REG_AUDIO_IF, format);
-
- /* set CODECPDZ afterwards */
- twl4030_codec_enable(codec, 1);
+ if (format != old_format || mode != old_mode) {
+ if (twl4030->codec_powered) {
+ /*
+ * If the codec is powered, than we need to toggle the
+ * codec power.
+ */
+ twl4030_codec_enable(codec, 0);
+ twl4030_write(codec, TWL4030_REG_CODEC_MODE, mode);
+ twl4030_write(codec, TWL4030_REG_AUDIO_IF, format);
+ twl4030_codec_enable(codec, 1);
+ } else {
+ twl4030_write(codec, TWL4030_REG_CODEC_MODE, mode);
+ twl4030_write(codec, TWL4030_REG_AUDIO_IF, format);
+ }
}
/* Store the important parameters for the DAI configuration and set
@@ -1877,6 +1909,7 @@ static int twl4030_set_dai_fmt(struct snd_soc_dai *codec_dai,
unsigned int fmt)
{
struct snd_soc_codec *codec = codec_dai->codec;
+ struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec);
u8 old_format, format;
/* get format */
@@ -1911,15 +1944,17 @@ static int twl4030_set_dai_fmt(struct snd_soc_dai *codec_dai,
}
if (format != old_format) {
-
- /* clear CODECPDZ before changing format (codec requirement) */
- twl4030_codec_enable(codec, 0);
-
- /* change format */
- twl4030_write(codec, TWL4030_REG_AUDIO_IF, format);
-
- /* set CODECPDZ afterwards */
- twl4030_codec_enable(codec, 1);
+ if (twl4030->codec_powered) {
+ /*
+ * If the codec is powered, than we need to toggle the
+ * codec power.
+ */
+ twl4030_codec_enable(codec, 0);
+ twl4030_write(codec, TWL4030_REG_AUDIO_IF, format);
+ twl4030_codec_enable(codec, 1);
+ } else {
+ twl4030_write(codec, TWL4030_REG_AUDIO_IF, format);
+ }
}
return 0;
@@ -2011,6 +2046,7 @@ static int twl4030_voice_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 = snd_soc_codec_get_drvdata(codec);
u8 old_mode, mode;
/* Enable voice digital filters */
@@ -2035,10 +2071,17 @@ static int twl4030_voice_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_codec_enable(codec, 1);
+ if (twl4030->codec_powered) {
+ /*
+ * If the codec is powered, than we need to toggle the
+ * codec power.
+ */
+ twl4030_codec_enable(codec, 0);
+ twl4030_write(codec, TWL4030_REG_CODEC_MODE, mode);
+ twl4030_codec_enable(codec, 1);
+ } else {
+ twl4030_write(codec, TWL4030_REG_CODEC_MODE, mode);
+ }
}
return 0;
@@ -2068,6 +2111,7 @@ static int twl4030_voice_set_dai_fmt(struct snd_soc_dai *codec_dai,
unsigned int fmt)
{
struct snd_soc_codec *codec = codec_dai->codec;
+ struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec);
u8 old_format, format;
/* get format */
@@ -2099,10 +2143,17 @@ static int twl4030_voice_set_dai_fmt(struct snd_soc_dai *codec_dai,
}
if (format != old_format) {
- /* change format and set CODECPDZ */
- twl4030_codec_enable(codec, 0);
- twl4030_write(codec, TWL4030_REG_VOICE_IF, format);
- twl4030_codec_enable(codec, 1);
+ if (twl4030->codec_powered) {
+ /*
+ * If the codec is powered, than we need to toggle the
+ * codec power.
+ */
+ twl4030_codec_enable(codec, 0);
+ twl4030_write(codec, TWL4030_REG_VOICE_IF, format);
+ twl4030_codec_enable(codec, 1);
+ } else {
+ twl4030_write(codec, TWL4030_REG_VOICE_IF, format);
+ }
}
return 0;
@@ -2202,31 +2253,15 @@ static struct snd_soc_codec *twl4030_codec;
static int twl4030_soc_probe(struct platform_device *pdev)
{
struct snd_soc_device *socdev = platform_get_drvdata(pdev);
- struct twl4030_setup_data *setup = socdev->codec_data;
struct snd_soc_codec *codec;
- struct twl4030_priv *twl4030;
int ret;
BUG_ON(!twl4030_codec);
codec = twl4030_codec;
- twl4030 = snd_soc_codec_get_drvdata(codec);
socdev->card->codec = codec;
- /* Configuration for headset ramp delay from setup data */
- if (setup) {
- unsigned char hs_pop;
-
- if (setup->sysclk != twl4030->sysclk)
- dev_warn(&pdev->dev,
- "Mismatch in APLL mclk: %u (configured: %u)\n",
- setup->sysclk, twl4030->sysclk);
-
- hs_pop = twl4030_read_reg_cache(codec, TWL4030_REG_HS_POPN_SET);
- hs_pop &= ~TWL4030_RAMP_DELAY;
- hs_pop |= (setup->ramp_delay_value << 2);
- twl4030_write_reg_cache(codec, TWL4030_REG_HS_POPN_SET, hs_pop);
- }
+ twl4030_init_chip(pdev);
/* register pcms */
ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
@@ -2247,6 +2282,8 @@ static int twl4030_soc_remove(struct platform_device *pdev)
struct snd_soc_device *socdev = platform_get_drvdata(pdev);
struct snd_soc_codec *codec = socdev->card->codec;
+ /* Reset registers to their chip default before leaving */
+ twl4030_reset_registers(codec);
twl4030_set_bias_level(codec, SND_SOC_BIAS_OFF);
snd_soc_free_pcms(socdev);
snd_soc_dapm_free(socdev);
@@ -2287,6 +2324,7 @@ static int __devinit twl4030_codec_probe(struct platform_device *pdev)
codec->read = twl4030_read_reg_cache;
codec->write = twl4030_write;
codec->set_bias_level = twl4030_set_bias_level;
+ codec->idle_bias_off = 1;
codec->dai = twl4030_dai;
codec->num_dai = ARRAY_SIZE(twl4030_dai);
codec->reg_cache_size = sizeof(twl4030_reg);
@@ -2302,9 +2340,7 @@ static int __devinit twl4030_codec_probe(struct platform_device *pdev)
/* Set the defaults, and power up the codec */
twl4030->sysclk = twl4030_codec_get_mclk() / 1000;
- twl4030_init_chip(codec);
codec->bias_level = SND_SOC_BIAS_OFF;
- twl4030_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
ret = snd_soc_register_codec(codec);
if (ret != 0) {
@@ -2322,7 +2358,7 @@ static int __devinit twl4030_codec_probe(struct platform_device *pdev)
return 0;
error_codec:
- twl4030_power_down(codec);
+ twl4030_codec_enable(codec, 0);
kfree(codec->reg_cache);
error_cache:
kfree(twl4030);
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-12 00:32:35 +0000