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_vdbg(codec->dev, "Waiting for DC servo...\n");
- dev_dbg(codec->dev, "Waiting for DC servo...\n");
do {
count++;
- msleep(1);
- reg = snd_soc_read(codec, WM8993_DC_SERVO_READBACK_0);
- dev_dbg(codec->dev, "DC servo status: %x\n", reg);
- } while ((reg & WM8993_DCS_CAL_COMPLETE_MASK)
- != WM8993_DCS_CAL_COMPLETE_MASK && count < 1000);
-
- if ((reg & WM8993_DCS_CAL_COMPLETE_MASK)
- != WM8993_DCS_CAL_COMPLETE_MASK)
+ msleep(10);
+ reg = snd_soc_read(codec, WM8993_DC_SERVO_0);
+ dev_vdbg(codec->dev, "DC servo: %x\n", reg);
+ } while (reg & op && count < 400);
+
+ if (reg & op)
dev_err(codec->dev, "Timed out waiting for DC Servo\n");
}
+/*
+ * Startup calibration of the DC servo
+ */
+static void calibrate_dc_servo(struct snd_soc_codec *codec)
+{
+ struct wm_hubs_data *hubs = codec->private_data;
+ 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);
+ 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 */
+ 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 */
+ 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);
+ wait_for_dc_servo(codec,
+ WM8993_DCS_TRIG_DAC_WR_0 |
+ WM8993_DCS_TRIG_DAC_WR_1);
+ }
+}
+
/*
* Update the DC servo calibration on gain changes
*/
static int wm8993_put_dc_servo(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
+ 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))
line_tlv),
};
+static int hp_supply_event(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *kcontrol, int event)
+{
+ struct snd_soc_codec *codec = w->codec;
+ struct wm_hubs_data *hubs = codec->private_data;
+
+ switch (event) {
+ case SND_SOC_DAPM_PRE_PMU:
+ switch (hubs->hp_startup_mode) {
+ case 0:
+ break;
+ case 1:
+ /* Enable the headphone amp */
+ snd_soc_update_bits(codec, WM8993_POWER_MANAGEMENT_1,
+ WM8993_HPOUT1L_ENA |
+ WM8993_HPOUT1R_ENA,
+ WM8993_HPOUT1L_ENA |
+ WM8993_HPOUT1R_ENA);
+
+ /* Enable the second stage */
+ snd_soc_update_bits(codec, WM8993_ANALOGUE_HP_0,
+ WM8993_HPOUT1L_DLY |
+ WM8993_HPOUT1R_DLY,
+ WM8993_HPOUT1L_DLY |
+ WM8993_HPOUT1R_DLY);
+ break;
+ default:
+ dev_err(codec->dev, "Unknown HP startup mode %d\n",
+ hubs->hp_startup_mode);
+ break;
+ }
+
+ case SND_SOC_DAPM_PRE_PMD:
+ snd_soc_update_bits(codec, WM8993_CHARGE_PUMP_1,
+ WM8993_CP_ENA, 0);
+ break;
+ }
+
+ return 0;
+}
+
static int hp_event(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event)
{
snd_soc_update_bits(codec, WM8993_POWER_MANAGEMENT_1,
WM8993_HPOUT1L_ENA | WM8993_HPOUT1R_ENA,
WM8993_HPOUT1L_ENA | WM8993_HPOUT1R_ENA);
-
+ // printk("hp_event power1 up: 0x%04x",snd_soc_read(codec,WM8993_POWER_MANAGEMENT_1));
reg |= WM8993_HPOUT1L_DLY | WM8993_HPOUT1R_DLY;
snd_soc_write(codec, WM8993_ANALOGUE_HP_0, reg);
- /* Start the DC servo */
- snd_soc_update_bits(codec, WM8993_DC_SERVO_0,
- 0xFFFF,
- WM8993_DCS_ENA_CHAN_0 |
- WM8993_DCS_ENA_CHAN_1 |
- WM8993_DCS_TRIG_STARTUP_1 |
- WM8993_DCS_TRIG_STARTUP_0);
- wait_for_dc_servo(codec);
+ /* Smallest supported update interval */
+ snd_soc_update_bits(codec, WM8993_DC_SERVO_1,
+ WM8993_DCS_TIMER_PERIOD_01_MASK, 1);
+
+ calibrate_dc_servo(codec);
reg |= WM8993_HPOUT1R_OUTP | WM8993_HPOUT1R_RMV_SHORT |
WM8993_HPOUT1L_OUTP | WM8993_HPOUT1L_RMV_SHORT;
break;
case SND_SOC_DAPM_PRE_PMD:
- reg &= ~(WM8993_HPOUT1L_RMV_SHORT |
- WM8993_HPOUT1L_DLY |
- WM8993_HPOUT1L_OUTP |
- WM8993_HPOUT1R_RMV_SHORT |
- WM8993_HPOUT1R_DLY |
- WM8993_HPOUT1R_OUTP);
+ snd_soc_update_bits(codec, WM8993_ANALOGUE_HP_0,
+ WM8993_HPOUT1L_DLY |
+ WM8993_HPOUT1R_DLY |
+ WM8993_HPOUT1L_RMV_SHORT |
+ WM8993_HPOUT1R_RMV_SHORT, 0);
- snd_soc_update_bits(codec, WM8993_DC_SERVO_0,
- 0xffff, 0);
+ snd_soc_update_bits(codec, WM8993_ANALOGUE_HP_0,
+ WM8993_HPOUT1L_OUTP |
+ WM8993_HPOUT1R_OUTP, 0);
- snd_soc_write(codec, WM8993_ANALOGUE_HP_0, reg);
snd_soc_update_bits(codec, WM8993_POWER_MANAGEMENT_1,
WM8993_HPOUT1L_ENA | WM8993_HPOUT1R_ENA,
0);
-
- snd_soc_update_bits(codec, WM8993_CHARGE_PUMP_1,
- WM8993_CP_ENA, 0);
+ // printk("hp_event power1 down: 0x%04x",snd_soc_read(codec,WM8993_POWER_MANAGEMENT_1));
break;
}
SND_SOC_DAPM_INPUT("IN1LN"),
SND_SOC_DAPM_INPUT("IN1LP"),
SND_SOC_DAPM_INPUT("IN2LN"),
-SND_SOC_DAPM_INPUT("IN2LP/VXRN"),
+SND_SOC_DAPM_INPUT("IN2LP:VXRN"),
SND_SOC_DAPM_INPUT("IN1RN"),
SND_SOC_DAPM_INPUT("IN1RP"),
SND_SOC_DAPM_INPUT("IN2RN"),
-SND_SOC_DAPM_INPUT("IN2RP/VXRP"),
+SND_SOC_DAPM_INPUT("IN2RP:VXRP"),
SND_SOC_DAPM_MICBIAS("MICBIAS2", WM8993_POWER_MANAGEMENT_1, 5, 0),
SND_SOC_DAPM_MICBIAS("MICBIAS1", WM8993_POWER_MANAGEMENT_1, 4, 0),
SND_SOC_DAPM_PGA("Left Output PGA", WM8993_POWER_MANAGEMENT_3, 7, 0, NULL, 0),
SND_SOC_DAPM_PGA("Right Output PGA", WM8993_POWER_MANAGEMENT_3, 6, 0, NULL, 0),
+SND_SOC_DAPM_SUPPLY("Headphone Supply", SND_SOC_NOPM, 0, 0, hp_supply_event,
+ SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD),
SND_SOC_DAPM_PGA_E("Headphone PGA", SND_SOC_NOPM, 0, 0,
NULL, 0,
hp_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
};
static const struct snd_soc_dapm_route analogue_routes[] = {
+ { "IN1L PGA", NULL , "MICBIAS2" },
+ { "IN1R PGA", NULL , "MICBIAS1" },
+ { "MICBIAS2", NULL , "IN1LP"},
+ { "MICBIAS2", NULL , "IN1LN"},
+ { "MICBIAS1", NULL , "IN1RP"},
+ { "MICBIAS1", NULL , "IN1RN"},
+
{ "IN1L PGA", "IN1LP Switch", "IN1LP" },
{ "IN1L PGA", "IN1LN Switch", "IN1LN" },
{ "IN1R PGA", "IN1RP Switch", "IN1RP" },
{ "IN1R PGA", "IN1RN Switch", "IN1RN" },
- { "IN2L PGA", "IN2LP Switch", "IN2LP/VXRN" },
+ { "IN2L PGA", "IN2LP Switch", "IN2LP:VXRN" },
{ "IN2L PGA", "IN2LN Switch", "IN2LN" },
- { "IN2R PGA", "IN2RP Switch", "IN2RP/VXRP" },
+ { "IN2R PGA", "IN2RP Switch", "IN2RP:VXRP" },
{ "IN2R PGA", "IN2RN Switch", "IN2RN" },
- { "Direct Voice", NULL, "IN2LP/VXRN" },
- { "Direct Voice", NULL, "IN2RP/VXRP" },
+ { "Direct Voice", NULL, "IN2LP:VXRN" },
+ { "Direct Voice", NULL, "IN2RP:VXRP" },
{ "MIXINL", "IN1L Switch", "IN1L PGA" },
{ "MIXINL", "IN2L Switch", "IN2L PGA" },
{ "Left Output Mixer", "Right Input Switch", "MIXINR" },
{ "Left Output Mixer", "IN2RN Switch", "IN2RN" },
{ "Left Output Mixer", "IN2LN Switch", "IN2LN" },
- { "Left Output Mixer", "IN2LP Switch", "IN2LP/VXRN" },
+ { "Left Output Mixer", "IN2LP Switch", "IN2LP:VXRN" },
{ "Left Output Mixer", "IN1L Switch", "IN1L PGA" },
{ "Left Output Mixer", "IN1R Switch", "IN1R PGA" },
{ "Right Output Mixer", "Right Input Switch", "MIXINR" },
{ "Right Output Mixer", "IN2LN Switch", "IN2LN" },
{ "Right Output Mixer", "IN2RN Switch", "IN2RN" },
- { "Right Output Mixer", "IN2RP Switch", "IN2RP/VXRP" },
+ { "Right Output Mixer", "IN2RP Switch", "IN2RP:VXRP" },
{ "Right Output Mixer", "IN1L Switch", "IN1L PGA" },
{ "Right Output Mixer", "IN1R Switch", "IN1R PGA" },
{ "Headphone PGA", NULL, "Left Headphone Mux" },
{ "Headphone PGA", NULL, "Right Headphone Mux" },
{ "Headphone PGA", NULL, "CLK_SYS" },
+ { "Headphone PGA", NULL, "Headphone Supply" },
{ "HPOUT1L", NULL, "Headphone PGA" },
{ "HPOUT1R", NULL, "Headphone PGA" },
}
EXPORT_SYMBOL_GPL(wm_hubs_add_analogue_routes);
+int wm_hubs_handle_analogue_pdata(struct snd_soc_codec *codec,
+ int lineout1_diff, int lineout2_diff,
+ int lineout1fb, int lineout2fb,
+ int jd_scthr, int jd_thr, int micbias1_lvl,
+ int micbias2_lvl)
+{
+ if (!lineout1_diff)
+ snd_soc_update_bits(codec, WM8993_LINE_MIXER1,
+ WM8993_LINEOUT1_MODE,
+ WM8993_LINEOUT1_MODE);
+ if (!lineout2_diff)
+ snd_soc_update_bits(codec, WM8993_LINE_MIXER2,
+ WM8993_LINEOUT2_MODE,
+ WM8993_LINEOUT2_MODE);
+
+ /* If the line outputs are differential then we aren't presenting
+ * VMID as an output and can disable it.
+ */
+// if (lineout1_diff && lineout2_diff)
+// codec->idle_bias_off = 1;
+
+ if (lineout1fb)
+ snd_soc_update_bits(codec, WM8993_ADDITIONAL_CONTROL,
+ WM8993_LINEOUT1_FB, WM8993_LINEOUT1_FB);
+
+ if (lineout2fb)
+ snd_soc_update_bits(codec, WM8993_ADDITIONAL_CONTROL,
+ WM8993_LINEOUT2_FB, WM8993_LINEOUT2_FB);
+
+ snd_soc_update_bits(codec, WM8993_MICBIAS,
+ WM8993_JD_SCTHR_MASK | WM8993_JD_THR_MASK |
+ WM8993_MICB1_LVL | WM8993_MICB2_LVL,
+ jd_scthr << WM8993_JD_SCTHR_SHIFT |
+ jd_thr << WM8993_JD_THR_SHIFT |
+ micbias1_lvl |
+ micbias2_lvl << WM8993_MICB2_LVL_SHIFT);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(wm_hubs_handle_analogue_pdata);
+
MODULE_DESCRIPTION("Shared support for Wolfson hubs products");
MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");
MODULE_LICENSE("GPL");