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-rw-r--r--sound/soc/codecs/ac97.c15
-rw-r--r--sound/soc/codecs/wm8994.c58
-rw-r--r--sound/soc/codecs/wm_hubs.c83
-rw-r--r--sound/soc/codecs/wm_hubs.h1
4 files changed, 93 insertions, 64 deletions
diff --git a/sound/soc/codecs/ac97.c b/sound/soc/codecs/ac97.c
index fd101d450d56..1f5e57a4bb7a 100644
--- a/sound/soc/codecs/ac97.c
+++ b/sound/soc/codecs/ac97.c
@@ -81,9 +81,11 @@ static int ac97_write(struct snd_soc_codec *codec, unsigned int reg,
static int ac97_soc_probe(struct platform_device *pdev)
{
struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct snd_soc_card *card = socdev->card;
struct snd_soc_codec *codec;
struct snd_ac97_bus *ac97_bus;
struct snd_ac97_template ac97_template;
+ int i;
int ret = 0;
printk(KERN_INFO "AC97 SoC Audio Codec %s\n", AC97_VERSION);
@@ -103,12 +105,6 @@ static int ac97_soc_probe(struct platform_device *pdev)
INIT_LIST_HEAD(&codec->dapm_widgets);
INIT_LIST_HEAD(&codec->dapm_paths);
- ret = snd_soc_new_ac97_codec(codec, &soc_ac97_ops, 0);
- if (ret < 0) {
- printk(KERN_ERR "ASoC: failed to init gen ac97 glue\n");
- goto err;
- }
-
/* register pcms */
ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
if (ret < 0)
@@ -124,6 +120,13 @@ static int ac97_soc_probe(struct platform_device *pdev)
if (ret < 0)
goto bus_err;
+ for (i = 0; i < card->num_links; i++) {
+ if (card->dai_link[i].codec_dai->ac97_control) {
+ snd_ac97_dev_add_pdata(codec->ac97,
+ card->dai_link[i].cpu_dai->ac97_pdata);
+ }
+ }
+
return 0;
bus_err:
diff --git a/sound/soc/codecs/wm8994.c b/sound/soc/codecs/wm8994.c
index 8d1c63754be4..9da0724cd47a 100644
--- a/sound/soc/codecs/wm8994.c
+++ b/sound/soc/codecs/wm8994.c
@@ -3008,34 +3008,39 @@ static int wm8994_set_bias_level(struct snd_soc_codec *codec,
break;
case SND_SOC_BIAS_OFF:
- /* Switch over to startup biases */
- snd_soc_update_bits(codec, WM8994_ANTIPOP_2,
- WM8994_BIAS_SRC | WM8994_STARTUP_BIAS_ENA |
- WM8994_VMID_BUF_ENA |
- WM8994_VMID_RAMP_MASK,
- WM8994_BIAS_SRC | WM8994_STARTUP_BIAS_ENA |
- WM8994_VMID_BUF_ENA |
- (1 << WM8994_VMID_RAMP_SHIFT));
-
- /* Disable main biases */
- snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_1,
- WM8994_BIAS_ENA | WM8994_VMID_SEL_MASK, 0);
+ if (codec->bias_level == SND_SOC_BIAS_STANDBY) {
+ /* Switch over to startup biases */
+ snd_soc_update_bits(codec, WM8994_ANTIPOP_2,
+ WM8994_BIAS_SRC |
+ WM8994_STARTUP_BIAS_ENA |
+ WM8994_VMID_BUF_ENA |
+ WM8994_VMID_RAMP_MASK,
+ WM8994_BIAS_SRC |
+ WM8994_STARTUP_BIAS_ENA |
+ WM8994_VMID_BUF_ENA |
+ (1 << WM8994_VMID_RAMP_SHIFT));
- /* Discharge line */
- snd_soc_update_bits(codec, WM8994_ANTIPOP_1,
- WM8994_LINEOUT1_DISCH |
- WM8994_LINEOUT2_DISCH,
- WM8994_LINEOUT1_DISCH |
- WM8994_LINEOUT2_DISCH);
+ /* Disable main biases */
+ snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_1,
+ WM8994_BIAS_ENA |
+ WM8994_VMID_SEL_MASK, 0);
- msleep(5);
+ /* Discharge line */
+ snd_soc_update_bits(codec, WM8994_ANTIPOP_1,
+ WM8994_LINEOUT1_DISCH |
+ WM8994_LINEOUT2_DISCH,
+ WM8994_LINEOUT1_DISCH |
+ WM8994_LINEOUT2_DISCH);
- /* Switch off startup biases */
- snd_soc_update_bits(codec, WM8994_ANTIPOP_2,
- WM8994_BIAS_SRC | WM8994_STARTUP_BIAS_ENA |
- WM8994_VMID_BUF_ENA |
- WM8994_VMID_RAMP_MASK, 0);
+ msleep(5);
+ /* Switch off startup biases */
+ snd_soc_update_bits(codec, WM8994_ANTIPOP_2,
+ WM8994_BIAS_SRC |
+ WM8994_STARTUP_BIAS_ENA |
+ WM8994_VMID_BUF_ENA |
+ WM8994_VMID_RAMP_MASK, 0);
+ }
break;
}
codec->bias_level = level;
@@ -3402,7 +3407,7 @@ struct snd_soc_dai wm8994_dai[] = {
.rates = WM8994_RATES,
.formats = WM8994_FORMATS,
},
- .playback = {
+ .capture = {
.stream_name = "AIF3 Capture",
.channels_min = 2,
.channels_max = 2,
@@ -3731,11 +3736,12 @@ static int wm8994_codec_probe(struct platform_device *pdev)
case 3:
wm8994->hubs.dcs_codes = -5;
wm8994->hubs.hp_startup_mode = 1;
+ wm8994->hubs.dcs_readback_mode = 1;
break;
default:
+ wm8994->hubs.dcs_readback_mode = 1;
break;
}
-
/* Remember if AIFnLRCLK is configured as a GPIO. This should be
* configured on init - if a system wants to do this dynamically
diff --git a/sound/soc/codecs/wm_hubs.c b/sound/soc/codecs/wm_hubs.c
index 486bdd21a98a..e1f225a3ac46 100644
--- a/sound/soc/codecs/wm_hubs.c
+++ b/sound/soc/codecs/wm_hubs.c
@@ -62,21 +62,27 @@ static const char *speaker_mode_text[] = {
static const struct soc_enum speaker_mode =
SOC_ENUM_SINGLE(WM8993_SPKMIXR_ATTENUATION, 8, 2, speaker_mode_text);
-static void wait_for_dc_servo(struct snd_soc_codec *codec)
+static void wait_for_dc_servo(struct snd_soc_codec *codec, unsigned int op)
{
unsigned int reg;
int count = 0;
+ unsigned int val;
+
+ val = op | WM8993_DCS_ENA_CHAN_0 | WM8993_DCS_ENA_CHAN_1;
+
+ /* Trigger the command */
+ snd_soc_write(codec, WM8993_DC_SERVO_0, val);
dev_dbg(codec->dev, "Waiting for DC servo...\n");
do {
count++;
msleep(1);
- reg = snd_soc_read(codec, WM8993_DC_SERVO_READBACK_0);
+ reg = snd_soc_read(codec, WM8993_DC_SERVO_0);
dev_dbg(codec->dev, "DC servo: %x\n", reg);
- } while (reg & WM8993_DCS_DATAPATH_BUSY && count < 400);
+ } while (reg & op && count < 400);
- if (reg & WM8993_DCS_DATAPATH_BUSY)
+ if (reg & op)
dev_err(codec->dev, "Timed out waiting for DC Servo\n");
}
@@ -86,51 +92,58 @@ static void wait_for_dc_servo(struct snd_soc_codec *codec)
static void calibrate_dc_servo(struct snd_soc_codec *codec)
{
struct wm_hubs_data *hubs = codec->private_data;
- u16 reg, dcs_cfg;
+ u16 reg, reg_l, reg_r, dcs_cfg;
/* Set for 32 series updates */
snd_soc_update_bits(codec, WM8993_DC_SERVO_1,
WM8993_DCS_SERIES_NO_01_MASK,
32 << WM8993_DCS_SERIES_NO_01_SHIFT);
-
- /* Enable the DC servo. Write all bits to avoid triggering startup
- * or write calibration.
- */
- snd_soc_update_bits(codec, WM8993_DC_SERVO_0,
- 0xFFFF,
- WM8993_DCS_ENA_CHAN_0 |
- WM8993_DCS_ENA_CHAN_1 |
- WM8993_DCS_TRIG_SERIES_1 |
- WM8993_DCS_TRIG_SERIES_0);
-
- wait_for_dc_servo(codec);
+ wait_for_dc_servo(codec,
+ WM8993_DCS_TRIG_SERIES_0 | WM8993_DCS_TRIG_SERIES_1);
/* Apply correction to DC servo result */
if (hubs->dcs_codes) {
dev_dbg(codec->dev, "Applying %d code DC servo correction\n",
hubs->dcs_codes);
+ /* Different chips in the family support different
+ * readback methods.
+ */
+ switch (hubs->dcs_readback_mode) {
+ case 0:
+ reg_l = snd_soc_read(codec, WM8993_DC_SERVO_READBACK_1)
+ & WM8993_DCS_INTEG_CHAN_0_MASK;;
+ reg_r = snd_soc_read(codec, WM8993_DC_SERVO_READBACK_2)
+ & WM8993_DCS_INTEG_CHAN_1_MASK;
+ break;
+ case 1:
+ reg = snd_soc_read(codec, WM8993_DC_SERVO_3);
+ reg_l = (reg & WM8993_DCS_DAC_WR_VAL_1_MASK)
+ >> WM8993_DCS_DAC_WR_VAL_1_SHIFT;
+ reg_r = reg & WM8993_DCS_DAC_WR_VAL_0_MASK;
+ break;
+ default:
+ WARN(1, "Unknown DCS readback method");
+ break;
+ }
+
/* HPOUT1L */
- reg = snd_soc_read(codec, WM8993_DC_SERVO_READBACK_1) &
- WM8993_DCS_INTEG_CHAN_0_MASK;;
- reg += hubs->dcs_codes;
- dcs_cfg = reg << WM8993_DCS_DAC_WR_VAL_1_SHIFT;
+ if (reg_l + hubs->dcs_codes > 0 &&
+ reg_l + hubs->dcs_codes < 0xff)
+ reg_l += hubs->dcs_codes;
+ dcs_cfg = reg_l << WM8993_DCS_DAC_WR_VAL_1_SHIFT;
/* HPOUT1R */
- reg = snd_soc_read(codec, WM8993_DC_SERVO_READBACK_2) &
- WM8993_DCS_INTEG_CHAN_1_MASK;
- reg += hubs->dcs_codes;
- dcs_cfg |= reg;
+ if (reg_r + hubs->dcs_codes > 0 &&
+ reg_r + hubs->dcs_codes < 0xff)
+ reg_r += hubs->dcs_codes;
+ dcs_cfg |= reg_r;
/* Do it */
snd_soc_write(codec, WM8993_DC_SERVO_3, dcs_cfg);
- snd_soc_update_bits(codec, WM8993_DC_SERVO_0,
- WM8993_DCS_TRIG_DAC_WR_0 |
- WM8993_DCS_TRIG_DAC_WR_1,
- WM8993_DCS_TRIG_DAC_WR_0 |
- WM8993_DCS_TRIG_DAC_WR_1);
-
- wait_for_dc_servo(codec);
+ wait_for_dc_servo(codec,
+ WM8993_DCS_TRIG_DAC_WR_0 |
+ WM8993_DCS_TRIG_DAC_WR_1);
}
}
@@ -141,10 +154,16 @@ static int wm8993_put_dc_servo(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+ struct wm_hubs_data *hubs = codec->private_data;
int ret;
ret = snd_soc_put_volsw_2r(kcontrol, ucontrol);
+ /* If we're applying an offset correction then updating the
+ * callibration would be likely to introduce further offsets. */
+ if (hubs->dcs_codes)
+ return ret;
+
/* Only need to do this if the outputs are active */
if (snd_soc_read(codec, WM8993_POWER_MANAGEMENT_1)
& (WM8993_HPOUT1L_ENA | WM8993_HPOUT1R_ENA))
diff --git a/sound/soc/codecs/wm_hubs.h b/sound/soc/codecs/wm_hubs.h
index 420104fe9c90..e51c16683589 100644
--- a/sound/soc/codecs/wm_hubs.h
+++ b/sound/soc/codecs/wm_hubs.h
@@ -21,6 +21,7 @@ extern const unsigned int wm_hubs_spkmix_tlv[];
/* This *must* be the first element of the codec->private_data struct */
struct wm_hubs_data {
int dcs_codes;
+ int dcs_readback_mode;
int hp_startup_mode;
};
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-19 14:38:53 +0000