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Diffstat (limited to 'sound/soc/codecs/wm9081.c')
-rw-r--r--sound/soc/codecs/wm9081.c572
1 files changed, 289 insertions, 283 deletions
diff --git a/sound/soc/codecs/wm9081.c b/sound/soc/codecs/wm9081.c
index ecc7c37180c..185eb97769e 100644
--- a/sound/soc/codecs/wm9081.c
+++ b/sound/soc/codecs/wm9081.c
@@ -3,7 +3,7 @@
*
* Author: Mark Brown
*
- * Copyright 2009 Wolfson Microelectronics plc
+ * Copyright 2009-12 Wolfson Microelectronics plc
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
@@ -15,84 +15,75 @@
#include <linux/moduleparam.h>
#include <linux/init.h>
#include <linux/delay.h>
+#include <linux/device.h>
#include <linux/pm.h>
#include <linux/i2c.h>
-#include <linux/platform_device.h>
+#include <linux/regmap.h>
#include <linux/slab.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
-#include <sound/soc-dapm.h>
#include <sound/initval.h>
#include <sound/tlv.h>
#include <sound/wm9081.h>
#include "wm9081.h"
-static u16 wm9081_reg_defaults[] = {
- 0x0000, /* R0 - Software Reset */
- 0x0000, /* R1 */
- 0x00B9, /* R2 - Analogue Lineout */
- 0x00B9, /* R3 - Analogue Speaker PGA */
- 0x0001, /* R4 - VMID Control */
- 0x0068, /* R5 - Bias Control 1 */
- 0x0000, /* R6 */
- 0x0000, /* R7 - Analogue Mixer */
- 0x0000, /* R8 - Anti Pop Control */
- 0x01DB, /* R9 - Analogue Speaker 1 */
- 0x0018, /* R10 - Analogue Speaker 2 */
- 0x0180, /* R11 - Power Management */
- 0x0000, /* R12 - Clock Control 1 */
- 0x0038, /* R13 - Clock Control 2 */
- 0x4000, /* R14 - Clock Control 3 */
- 0x0000, /* R15 */
- 0x0000, /* R16 - FLL Control 1 */
- 0x0200, /* R17 - FLL Control 2 */
- 0x0000, /* R18 - FLL Control 3 */
- 0x0204, /* R19 - FLL Control 4 */
- 0x0000, /* R20 - FLL Control 5 */
- 0x0000, /* R21 */
- 0x0000, /* R22 - Audio Interface 1 */
- 0x0002, /* R23 - Audio Interface 2 */
- 0x0008, /* R24 - Audio Interface 3 */
- 0x0022, /* R25 - Audio Interface 4 */
- 0x0000, /* R26 - Interrupt Status */
- 0x0006, /* R27 - Interrupt Status Mask */
- 0x0000, /* R28 - Interrupt Polarity */
- 0x0000, /* R29 - Interrupt Control */
- 0x00C0, /* R30 - DAC Digital 1 */
- 0x0008, /* R31 - DAC Digital 2 */
- 0x09AF, /* R32 - DRC 1 */
- 0x4201, /* R33 - DRC 2 */
- 0x0000, /* R34 - DRC 3 */
- 0x0000, /* R35 - DRC 4 */
- 0x0000, /* R36 */
- 0x0000, /* R37 */
- 0x0000, /* R38 - Write Sequencer 1 */
- 0x0000, /* R39 - Write Sequencer 2 */
- 0x0002, /* R40 - MW Slave 1 */
- 0x0000, /* R41 */
- 0x0000, /* R42 - EQ 1 */
- 0x0000, /* R43 - EQ 2 */
- 0x0FCA, /* R44 - EQ 3 */
- 0x0400, /* R45 - EQ 4 */
- 0x00B8, /* R46 - EQ 5 */
- 0x1EB5, /* R47 - EQ 6 */
- 0xF145, /* R48 - EQ 7 */
- 0x0B75, /* R49 - EQ 8 */
- 0x01C5, /* R50 - EQ 9 */
- 0x169E, /* R51 - EQ 10 */
- 0xF829, /* R52 - EQ 11 */
- 0x07AD, /* R53 - EQ 12 */
- 0x1103, /* R54 - EQ 13 */
- 0x1C58, /* R55 - EQ 14 */
- 0xF373, /* R56 - EQ 15 */
- 0x0A54, /* R57 - EQ 16 */
- 0x0558, /* R58 - EQ 17 */
- 0x0564, /* R59 - EQ 18 */
- 0x0559, /* R60 - EQ 19 */
- 0x4000, /* R61 - EQ 20 */
+static struct reg_default wm9081_reg[] = {
+ { 2, 0x00B9 }, /* R2 - Analogue Lineout */
+ { 3, 0x00B9 }, /* R3 - Analogue Speaker PGA */
+ { 4, 0x0001 }, /* R4 - VMID Control */
+ { 5, 0x0068 }, /* R5 - Bias Control 1 */
+ { 7, 0x0000 }, /* R7 - Analogue Mixer */
+ { 8, 0x0000 }, /* R8 - Anti Pop Control */
+ { 9, 0x01DB }, /* R9 - Analogue Speaker 1 */
+ { 10, 0x0018 }, /* R10 - Analogue Speaker 2 */
+ { 11, 0x0180 }, /* R11 - Power Management */
+ { 12, 0x0000 }, /* R12 - Clock Control 1 */
+ { 13, 0x0038 }, /* R13 - Clock Control 2 */
+ { 14, 0x4000 }, /* R14 - Clock Control 3 */
+ { 16, 0x0000 }, /* R16 - FLL Control 1 */
+ { 17, 0x0200 }, /* R17 - FLL Control 2 */
+ { 18, 0x0000 }, /* R18 - FLL Control 3 */
+ { 19, 0x0204 }, /* R19 - FLL Control 4 */
+ { 20, 0x0000 }, /* R20 - FLL Control 5 */
+ { 22, 0x0000 }, /* R22 - Audio Interface 1 */
+ { 23, 0x0002 }, /* R23 - Audio Interface 2 */
+ { 24, 0x0008 }, /* R24 - Audio Interface 3 */
+ { 25, 0x0022 }, /* R25 - Audio Interface 4 */
+ { 27, 0x0006 }, /* R27 - Interrupt Status Mask */
+ { 28, 0x0000 }, /* R28 - Interrupt Polarity */
+ { 29, 0x0000 }, /* R29 - Interrupt Control */
+ { 30, 0x00C0 }, /* R30 - DAC Digital 1 */
+ { 31, 0x0008 }, /* R31 - DAC Digital 2 */
+ { 32, 0x09AF }, /* R32 - DRC 1 */
+ { 33, 0x4201 }, /* R33 - DRC 2 */
+ { 34, 0x0000 }, /* R34 - DRC 3 */
+ { 35, 0x0000 }, /* R35 - DRC 4 */
+ { 38, 0x0000 }, /* R38 - Write Sequencer 1 */
+ { 39, 0x0000 }, /* R39 - Write Sequencer 2 */
+ { 40, 0x0002 }, /* R40 - MW Slave 1 */
+ { 42, 0x0000 }, /* R42 - EQ 1 */
+ { 43, 0x0000 }, /* R43 - EQ 2 */
+ { 44, 0x0FCA }, /* R44 - EQ 3 */
+ { 45, 0x0400 }, /* R45 - EQ 4 */
+ { 46, 0x00B8 }, /* R46 - EQ 5 */
+ { 47, 0x1EB5 }, /* R47 - EQ 6 */
+ { 48, 0xF145 }, /* R48 - EQ 7 */
+ { 49, 0x0B75 }, /* R49 - EQ 8 */
+ { 50, 0x01C5 }, /* R50 - EQ 9 */
+ { 51, 0x169E }, /* R51 - EQ 10 */
+ { 52, 0xF829 }, /* R52 - EQ 11 */
+ { 53, 0x07AD }, /* R53 - EQ 12 */
+ { 54, 0x1103 }, /* R54 - EQ 13 */
+ { 55, 0x1C58 }, /* R55 - EQ 14 */
+ { 56, 0xF373 }, /* R56 - EQ 15 */
+ { 57, 0x0A54 }, /* R57 - EQ 16 */
+ { 58, 0x0558 }, /* R58 - EQ 17 */
+ { 59, 0x0564 }, /* R59 - EQ 18 */
+ { 60, 0x0559 }, /* R60 - EQ 19 */
+ { 61, 0x4000 }, /* R61 - EQ 20 */
};
static struct {
@@ -156,9 +147,7 @@ static struct {
};
struct wm9081_priv {
- enum snd_soc_control_type control_type;
- void *control_data;
- u16 reg_cache[WM9081_MAX_REGISTER + 1];
+ struct regmap *regmap;
int sysclk_source;
int mclk_rate;
int sysclk_rate;
@@ -168,22 +157,87 @@ struct wm9081_priv {
int fll_fref;
int fll_fout;
int tdm_width;
- struct wm9081_retune_mobile_config *retune;
+ struct wm9081_pdata pdata;
};
-static int wm9081_volatile_register(unsigned int reg)
+static bool wm9081_volatile_register(struct device *dev, unsigned int reg)
{
switch (reg) {
case WM9081_SOFTWARE_RESET:
- return 1;
+ case WM9081_INTERRUPT_STATUS:
+ return true;
default:
- return 0;
+ return false;
}
}
-static int wm9081_reset(struct snd_soc_codec *codec)
+static bool wm9081_readable_register(struct device *dev, unsigned int reg)
{
- return snd_soc_write(codec, WM9081_SOFTWARE_RESET, 0);
+ switch (reg) {
+ case WM9081_SOFTWARE_RESET:
+ case WM9081_ANALOGUE_LINEOUT:
+ case WM9081_ANALOGUE_SPEAKER_PGA:
+ case WM9081_VMID_CONTROL:
+ case WM9081_BIAS_CONTROL_1:
+ case WM9081_ANALOGUE_MIXER:
+ case WM9081_ANTI_POP_CONTROL:
+ case WM9081_ANALOGUE_SPEAKER_1:
+ case WM9081_ANALOGUE_SPEAKER_2:
+ case WM9081_POWER_MANAGEMENT:
+ case WM9081_CLOCK_CONTROL_1:
+ case WM9081_CLOCK_CONTROL_2:
+ case WM9081_CLOCK_CONTROL_3:
+ case WM9081_FLL_CONTROL_1:
+ case WM9081_FLL_CONTROL_2:
+ case WM9081_FLL_CONTROL_3:
+ case WM9081_FLL_CONTROL_4:
+ case WM9081_FLL_CONTROL_5:
+ case WM9081_AUDIO_INTERFACE_1:
+ case WM9081_AUDIO_INTERFACE_2:
+ case WM9081_AUDIO_INTERFACE_3:
+ case WM9081_AUDIO_INTERFACE_4:
+ case WM9081_INTERRUPT_STATUS:
+ case WM9081_INTERRUPT_STATUS_MASK:
+ case WM9081_INTERRUPT_POLARITY:
+ case WM9081_INTERRUPT_CONTROL:
+ case WM9081_DAC_DIGITAL_1:
+ case WM9081_DAC_DIGITAL_2:
+ case WM9081_DRC_1:
+ case WM9081_DRC_2:
+ case WM9081_DRC_3:
+ case WM9081_DRC_4:
+ case WM9081_WRITE_SEQUENCER_1:
+ case WM9081_WRITE_SEQUENCER_2:
+ case WM9081_MW_SLAVE_1:
+ case WM9081_EQ_1:
+ case WM9081_EQ_2:
+ case WM9081_EQ_3:
+ case WM9081_EQ_4:
+ case WM9081_EQ_5:
+ case WM9081_EQ_6:
+ case WM9081_EQ_7:
+ case WM9081_EQ_8:
+ case WM9081_EQ_9:
+ case WM9081_EQ_10:
+ case WM9081_EQ_11:
+ case WM9081_EQ_12:
+ case WM9081_EQ_13:
+ case WM9081_EQ_14:
+ case WM9081_EQ_15:
+ case WM9081_EQ_16:
+ case WM9081_EQ_17:
+ case WM9081_EQ_18:
+ case WM9081_EQ_19:
+ case WM9081_EQ_20:
+ return true;
+ default:
+ return false;
+ }
+}
+
+static int wm9081_reset(struct regmap *map)
+{
+ return regmap_write(map, WM9081_SOFTWARE_RESET, 0x9081);
}
static const DECLARE_TLV_DB_SCALE(drc_in_tlv, -4500, 75, 0);
@@ -214,8 +268,7 @@ static const char *drc_high_text[] = {
"0",
};
-static const struct soc_enum drc_high =
- SOC_ENUM_SINGLE(WM9081_DRC_3, 3, 6, drc_high_text);
+static SOC_ENUM_SINGLE_DECL(drc_high, WM9081_DRC_3, 3, drc_high_text);
static const char *drc_low_text[] = {
"1",
@@ -225,8 +278,7 @@ static const char *drc_low_text[] = {
"0",
};
-static const struct soc_enum drc_low =
- SOC_ENUM_SINGLE(WM9081_DRC_3, 0, 5, drc_low_text);
+static SOC_ENUM_SINGLE_DECL(drc_low, WM9081_DRC_3, 0, drc_low_text);
static const char *drc_atk_text[] = {
"181us",
@@ -243,8 +295,7 @@ static const char *drc_atk_text[] = {
"185.6ms",
};
-static const struct soc_enum drc_atk =
- SOC_ENUM_SINGLE(WM9081_DRC_2, 12, 12, drc_atk_text);
+static SOC_ENUM_SINGLE_DECL(drc_atk, WM9081_DRC_2, 12, drc_atk_text);
static const char *drc_dcy_text[] = {
"186ms",
@@ -258,8 +309,7 @@ static const char *drc_dcy_text[] = {
"47.56s",
};
-static const struct soc_enum drc_dcy =
- SOC_ENUM_SINGLE(WM9081_DRC_2, 8, 9, drc_dcy_text);
+static SOC_ENUM_SINGLE_DECL(drc_dcy, WM9081_DRC_2, 8, drc_dcy_text);
static const char *drc_qr_dcy_text[] = {
"0.725ms",
@@ -267,8 +317,7 @@ static const char *drc_qr_dcy_text[] = {
"5.8ms",
};
-static const struct soc_enum drc_qr_dcy =
- SOC_ENUM_SINGLE(WM9081_DRC_2, 4, 3, drc_qr_dcy_text);
+static SOC_ENUM_SINGLE_DECL(drc_qr_dcy, WM9081_DRC_2, 4, drc_qr_dcy_text);
static const char *dac_deemph_text[] = {
"None",
@@ -277,21 +326,21 @@ static const char *dac_deemph_text[] = {
"48kHz",
};
-static const struct soc_enum dac_deemph =
- SOC_ENUM_SINGLE(WM9081_DAC_DIGITAL_2, 1, 4, dac_deemph_text);
+static SOC_ENUM_SINGLE_DECL(dac_deemph, WM9081_DAC_DIGITAL_2, 1,
+ dac_deemph_text);
static const char *speaker_mode_text[] = {
"Class D",
"Class AB",
};
-static const struct soc_enum speaker_mode =
- SOC_ENUM_SINGLE(WM9081_ANALOGUE_SPEAKER_2, 6, 2, speaker_mode_text);
+static SOC_ENUM_SINGLE_DECL(speaker_mode, WM9081_ANALOGUE_SPEAKER_2, 6,
+ speaker_mode_text);
static int speaker_mode_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
- struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+ struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
unsigned int reg;
reg = snd_soc_read(codec, WM9081_ANALOGUE_SPEAKER_2);
@@ -306,13 +355,13 @@ static int speaker_mode_get(struct snd_kcontrol *kcontrol,
/*
* Stop any attempts to change speaker mode while the speaker is enabled.
*
- * We also have some special anti-pop controls dependant on speaker
+ * We also have some special anti-pop controls dependent on speaker
* mode which must be changed along with the mode.
*/
static int speaker_mode_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
- struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+ struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
unsigned int reg_pwr = snd_soc_read(codec, WM9081_POWER_MANAGEMENT);
unsigned int reg2 = snd_soc_read(codec, WM9081_ANALOGUE_SPEAKER_2);
@@ -390,27 +439,6 @@ SOC_DAPM_SINGLE("IN2 Switch", WM9081_ANALOGUE_MIXER, 2, 1, 0),
SOC_DAPM_SINGLE("Playback Switch", WM9081_ANALOGUE_MIXER, 4, 1, 0),
};
-static int speaker_event(struct snd_soc_dapm_widget *w,
- struct snd_kcontrol *kcontrol, int event)
-{
- struct snd_soc_codec *codec = w->codec;
- unsigned int reg = snd_soc_read(codec, WM9081_POWER_MANAGEMENT);
-
- switch (event) {
- case SND_SOC_DAPM_POST_PMU:
- reg |= WM9081_SPK_ENA;
- break;
-
- case SND_SOC_DAPM_PRE_PMD:
- reg &= ~WM9081_SPK_ENA;
- break;
- }
-
- snd_soc_write(codec, WM9081_POWER_MANAGEMENT, reg);
-
- return 0;
-}
-
struct _fll_div {
u16 fll_fratio;
u16 fll_outdiv;
@@ -478,7 +506,7 @@ static int fll_factors(struct _fll_div *fll_div, unsigned int Fref,
pr_debug("Fvco=%dHz\n", target);
- /* Find an appropraite FLL_FRATIO and factor it out of the target */
+ /* Find an appropriate FLL_FRATIO and factor it out of the target */
for (i = 0; i < ARRAY_SIZE(fll_fratios); i++) {
if (fll_fratios[i].min <= Fref && Fref <= fll_fratios[i].max) {
fll_div->fll_fratio = fll_fratios[i].fll_fratio;
@@ -591,6 +619,10 @@ static int wm9081_set_fll(struct snd_soc_codec *codec, int fll_id,
reg5 |= fll_div.fll_clk_ref_div << WM9081_FLL_CLK_REF_DIV_SHIFT;
snd_soc_write(codec, WM9081_FLL_CONTROL_5, reg5);
+ /* Set gain to the recommended value */
+ snd_soc_update_bits(codec, WM9081_FLL_CONTROL_4,
+ WM9081_FLL_GAIN_MASK, 0);
+
/* Enable the FLL */
snd_soc_write(codec, WM9081_FLL_CONTROL_1, reg1 | WM9081_FLL_ENA);
@@ -737,16 +769,15 @@ static const struct snd_soc_dapm_widget wm9081_dapm_widgets[] = {
SND_SOC_DAPM_INPUT("IN1"),
SND_SOC_DAPM_INPUT("IN2"),
-SND_SOC_DAPM_DAC("DAC", "HiFi Playback", WM9081_POWER_MANAGEMENT, 0, 0),
+SND_SOC_DAPM_DAC("DAC", NULL, WM9081_POWER_MANAGEMENT, 0, 0),
SND_SOC_DAPM_MIXER_NAMED_CTL("Mixer", SND_SOC_NOPM, 0, 0,
mixer, ARRAY_SIZE(mixer)),
SND_SOC_DAPM_PGA("LINEOUT PGA", WM9081_POWER_MANAGEMENT, 4, 0, NULL, 0),
-SND_SOC_DAPM_PGA_E("Speaker PGA", WM9081_POWER_MANAGEMENT, 2, 0, NULL, 0,
- speaker_event,
- SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
+SND_SOC_DAPM_PGA("Speaker PGA", WM9081_POWER_MANAGEMENT, 2, 0, NULL, 0),
+SND_SOC_DAPM_OUT_DRV("Speaker", WM9081_POWER_MANAGEMENT, 1, 0, NULL, 0),
SND_SOC_DAPM_OUTPUT("LINEOUT"),
SND_SOC_DAPM_OUTPUT("SPKN"),
@@ -756,12 +787,14 @@ SND_SOC_DAPM_SUPPLY("CLK_SYS", WM9081_CLOCK_CONTROL_3, 0, 0, clk_sys_event,
SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_SUPPLY("CLK_DSP", WM9081_CLOCK_CONTROL_3, 1, 0, NULL, 0),
SND_SOC_DAPM_SUPPLY("TOCLK", WM9081_CLOCK_CONTROL_3, 2, 0, NULL, 0),
+SND_SOC_DAPM_SUPPLY("TSENSE", WM9081_POWER_MANAGEMENT, 7, 0, NULL, 0),
};
-static const struct snd_soc_dapm_route audio_paths[] = {
+static const struct snd_soc_dapm_route wm9081_audio_paths[] = {
{ "DAC", NULL, "CLK_SYS" },
{ "DAC", NULL, "CLK_DSP" },
+ { "DAC", NULL, "AIF" },
{ "Mixer", "IN1 Switch", "IN1" },
{ "Mixer", "IN2 Switch", "IN2" },
@@ -777,14 +810,17 @@ static const struct snd_soc_dapm_route audio_paths[] = {
{ "Speaker PGA", NULL, "TOCLK" },
{ "Speaker PGA", NULL, "CLK_SYS" },
- { "SPKN", NULL, "Speaker PGA" },
- { "SPKP", NULL, "Speaker PGA" },
+ { "Speaker", NULL, "Speaker PGA" },
+ { "Speaker", NULL, "TSENSE" },
+
+ { "SPKN", NULL, "Speaker" },
+ { "SPKP", NULL, "Speaker" },
};
static int wm9081_set_bias_level(struct snd_soc_codec *codec,
enum snd_soc_bias_level level)
{
- u16 reg;
+ struct wm9081_priv *wm9081 = snd_soc_codec_get_drvdata(codec);
switch (level) {
case SND_SOC_BIAS_ON:
@@ -792,80 +828,77 @@ static int wm9081_set_bias_level(struct snd_soc_codec *codec,
case SND_SOC_BIAS_PREPARE:
/* VMID=2*40k */
- reg = snd_soc_read(codec, WM9081_VMID_CONTROL);
- reg &= ~WM9081_VMID_SEL_MASK;
- reg |= 0x2;
- snd_soc_write(codec, WM9081_VMID_CONTROL, reg);
+ snd_soc_update_bits(codec, WM9081_VMID_CONTROL,
+ WM9081_VMID_SEL_MASK, 0x2);
/* Normal bias current */
- reg = snd_soc_read(codec, WM9081_BIAS_CONTROL_1);
- reg &= ~WM9081_STBY_BIAS_ENA;
- snd_soc_write(codec, WM9081_BIAS_CONTROL_1, reg);
+ snd_soc_update_bits(codec, WM9081_BIAS_CONTROL_1,
+ WM9081_STBY_BIAS_ENA, 0);
break;
case SND_SOC_BIAS_STANDBY:
/* Initial cold start */
- if (codec->bias_level == SND_SOC_BIAS_OFF) {
+ if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) {
+ regcache_cache_only(wm9081->regmap, false);
+ regcache_sync(wm9081->regmap);
+
/* Disable LINEOUT discharge */
- reg = snd_soc_read(codec, WM9081_ANTI_POP_CONTROL);
- reg &= ~WM9081_LINEOUT_DISCH;
- snd_soc_write(codec, WM9081_ANTI_POP_CONTROL, reg);
+ snd_soc_update_bits(codec, WM9081_ANTI_POP_CONTROL,
+ WM9081_LINEOUT_DISCH, 0);
/* Select startup bias source */
- reg = snd_soc_read(codec, WM9081_BIAS_CONTROL_1);
- reg |= WM9081_BIAS_SRC | WM9081_BIAS_ENA;
- snd_soc_write(codec, WM9081_BIAS_CONTROL_1, reg);
+ snd_soc_update_bits(codec, WM9081_BIAS_CONTROL_1,
+ WM9081_BIAS_SRC | WM9081_BIAS_ENA,
+ WM9081_BIAS_SRC | WM9081_BIAS_ENA);
/* VMID 2*4k; Soft VMID ramp enable */
- reg = snd_soc_read(codec, WM9081_VMID_CONTROL);
- reg |= WM9081_VMID_RAMP | 0x6;
- snd_soc_write(codec, WM9081_VMID_CONTROL, reg);
+ snd_soc_update_bits(codec, WM9081_VMID_CONTROL,
+ WM9081_VMID_RAMP |
+ WM9081_VMID_SEL_MASK,
+ WM9081_VMID_RAMP | 0x6);
mdelay(100);
/* Normal bias enable & soft start off */
- reg |= WM9081_BIAS_ENA;
- reg &= ~WM9081_VMID_RAMP;
- snd_soc_write(codec, WM9081_VMID_CONTROL, reg);
+ snd_soc_update_bits(codec, WM9081_VMID_CONTROL,
+ WM9081_VMID_RAMP, 0);
/* Standard bias source */
- reg = snd_soc_read(codec, WM9081_BIAS_CONTROL_1);
- reg &= ~WM9081_BIAS_SRC;
- snd_soc_write(codec, WM9081_BIAS_CONTROL_1, reg);
+ snd_soc_update_bits(codec, WM9081_BIAS_CONTROL_1,
+ WM9081_BIAS_SRC, 0);
}
/* VMID 2*240k */
- reg = snd_soc_read(codec, WM9081_BIAS_CONTROL_1);
- reg &= ~WM9081_VMID_SEL_MASK;
- reg |= 0x40;
- snd_soc_write(codec, WM9081_VMID_CONTROL, reg);
+ snd_soc_update_bits(codec, WM9081_VMID_CONTROL,
+ WM9081_VMID_SEL_MASK, 0x04);
/* Standby bias current on */
- reg = snd_soc_read(codec, WM9081_BIAS_CONTROL_1);
- reg |= WM9081_STBY_BIAS_ENA;
- snd_soc_write(codec, WM9081_BIAS_CONTROL_1, reg);
+ snd_soc_update_bits(codec, WM9081_BIAS_CONTROL_1,
+ WM9081_STBY_BIAS_ENA,
+ WM9081_STBY_BIAS_ENA);
break;
case SND_SOC_BIAS_OFF:
- /* Startup bias source */
- reg = snd_soc_read(codec, WM9081_BIAS_CONTROL_1);
- reg |= WM9081_BIAS_SRC;
- snd_soc_write(codec, WM9081_BIAS_CONTROL_1, reg);
+ /* Startup bias source and disable bias */
+ snd_soc_update_bits(codec, WM9081_BIAS_CONTROL_1,
+ WM9081_BIAS_SRC | WM9081_BIAS_ENA,
+ WM9081_BIAS_SRC);
- /* Disable VMID and biases with soft ramping */
- reg = snd_soc_read(codec, WM9081_VMID_CONTROL);
- reg &= ~(WM9081_VMID_SEL_MASK | WM9081_BIAS_ENA);
- reg |= WM9081_VMID_RAMP;
- snd_soc_write(codec, WM9081_VMID_CONTROL, reg);
+ /* Disable VMID with soft ramping */
+ snd_soc_update_bits(codec, WM9081_VMID_CONTROL,
+ WM9081_VMID_RAMP | WM9081_VMID_SEL_MASK,
+ WM9081_VMID_RAMP);
/* Actively discharge LINEOUT */
- reg = snd_soc_read(codec, WM9081_ANTI_POP_CONTROL);
- reg |= WM9081_LINEOUT_DISCH;
- snd_soc_write(codec, WM9081_ANTI_POP_CONTROL, reg);
+ snd_soc_update_bits(codec, WM9081_ANTI_POP_CONTROL,
+ WM9081_LINEOUT_DISCH,
+ WM9081_LINEOUT_DISCH);
+
+ regcache_cache_only(wm9081->regmap, true);
break;
}
- codec->bias_level = level;
+ codec->dapm.bias_level = level;
return 0;
}
@@ -1079,21 +1112,22 @@ static int wm9081_hw_params(struct snd_pcm_substream *substream,
aif4 |= wm9081->bclk / wm9081->fs;
/* Apply a ReTune Mobile configuration if it's in use */
- if (wm9081->retune) {
- struct wm9081_retune_mobile_config *retune = wm9081->retune;
+ if (wm9081->pdata.num_retune_configs) {
+ struct wm9081_pdata *pdata = &wm9081->pdata;
struct wm9081_retune_mobile_setting *s;
int eq1;
best = 0;
- best_val = abs(retune->configs[0].rate - wm9081->fs);
- for (i = 0; i < retune->num_configs; i++) {
- cur_val = abs(retune->configs[i].rate - wm9081->fs);
+ best_val = abs(pdata->retune_configs[0].rate - wm9081->fs);
+ for (i = 0; i < pdata->num_retune_configs; i++) {
+ cur_val = abs(pdata->retune_configs[i].rate -
+ wm9081->fs);
if (cur_val < best_val) {
best_val = cur_val;
best = i;
}
}
- s = &retune->configs[best];
+ s = &pdata->retune_configs[best];
dev_dbg(codec->dev, "ReTune Mobile %s tuned for %dHz\n",
s->name, s->rate);
@@ -1136,10 +1170,9 @@ static int wm9081_digital_mute(struct snd_soc_dai *codec_dai, int mute)
return 0;
}
-static int wm9081_set_sysclk(struct snd_soc_dai *codec_dai,
- int clk_id, unsigned int freq, int dir)
+static int wm9081_set_sysclk(struct snd_soc_codec *codec, int clk_id,
+ int source, unsigned int freq, int dir)
{
- struct snd_soc_codec *codec = codec_dai->codec;
struct wm9081_priv *wm9081 = snd_soc_codec_get_drvdata(codec);
switch (clk_id) {
@@ -1202,9 +1235,8 @@ static int wm9081_set_tdm_slot(struct snd_soc_dai *dai,
(SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
-static struct snd_soc_dai_ops wm9081_dai_ops = {
+static const struct snd_soc_dai_ops wm9081_dai_ops = {
.hw_params = wm9081_hw_params,
- .set_sysclk = wm9081_set_sysclk,
.set_fmt = wm9081_set_dai_fmt,
.digital_mute = wm9081_digital_mute,
.set_tdm_slot = wm9081_set_tdm_slot,
@@ -1216,7 +1248,7 @@ static struct snd_soc_dai_ops wm9081_dai_ops = {
static struct snd_soc_dai_driver wm9081_dai = {
.name = "wm9081-hifi",
.playback = {
- .stream_name = "HiFi Playback",
+ .stream_name = "AIF",
.channels_min = 1,
.channels_max = 2,
.rates = WM9081_RATES,
@@ -1228,52 +1260,21 @@ static struct snd_soc_dai_driver wm9081_dai = {
static int wm9081_probe(struct snd_soc_codec *codec)
{
struct wm9081_priv *wm9081 = snd_soc_codec_get_drvdata(codec);
- int ret;
- u16 reg;
-
- codec->control_data = wm9081->control_data;
- ret = snd_soc_codec_set_cache_io(codec, 8, 16, wm9081->control_type);
- if (ret != 0) {
- dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);
- return ret;
- }
-
- reg = snd_soc_read(codec, WM9081_SOFTWARE_RESET);
- if (reg != 0x9081) {
- dev_err(codec->dev, "Device is not a WM9081: ID=0x%x\n", reg);
- ret = -EINVAL;
- return ret;
- }
-
- ret = wm9081_reset(codec);
- if (ret < 0) {
- dev_err(codec->dev, "Failed to issue reset\n");
- return ret;
- }
-
- wm9081_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
/* Enable zero cross by default */
- reg = snd_soc_read(codec, WM9081_ANALOGUE_LINEOUT);
- snd_soc_write(codec, WM9081_ANALOGUE_LINEOUT, reg | WM9081_LINEOUTZC);
- reg = snd_soc_read(codec, WM9081_ANALOGUE_SPEAKER_PGA);
- snd_soc_write(codec, WM9081_ANALOGUE_SPEAKER_PGA,
- reg | WM9081_SPKPGAZC);
-
- snd_soc_add_controls(codec, wm9081_snd_controls,
- ARRAY_SIZE(wm9081_snd_controls));
- if (!wm9081->retune) {
+ snd_soc_update_bits(codec, WM9081_ANALOGUE_LINEOUT,
+ WM9081_LINEOUTZC, WM9081_LINEOUTZC);
+ snd_soc_update_bits(codec, WM9081_ANALOGUE_SPEAKER_PGA,
+ WM9081_SPKPGAZC, WM9081_SPKPGAZC);
+
+ if (!wm9081->pdata.num_retune_configs) {
dev_dbg(codec->dev,
"No ReTune Mobile data, using normal EQ\n");
- snd_soc_add_controls(codec, wm9081_eq_controls,
+ snd_soc_add_codec_controls(codec, wm9081_eq_controls,
ARRAY_SIZE(wm9081_eq_controls));
}
- snd_soc_dapm_new_controls(codec, wm9081_dapm_widgets,
- ARRAY_SIZE(wm9081_dapm_widgets));
- snd_soc_dapm_add_routes(codec, audio_paths, ARRAY_SIZE(audio_paths));
-
- return ret;
+ return 0;
}
static int wm9081_remove(struct snd_soc_codec *codec)
@@ -1282,72 +1283,98 @@ static int wm9081_remove(struct snd_soc_codec *codec)
return 0;
}
-#ifdef CONFIG_PM
-static int wm9081_suspend(struct snd_soc_codec *codec, pm_message_t state)
-{
- wm9081_set_bias_level(codec, SND_SOC_BIAS_OFF);
-
- return 0;
-}
-
-static int wm9081_resume(struct snd_soc_codec *codec)
-{
- u16 *reg_cache = codec->reg_cache;
- int i;
+static struct snd_soc_codec_driver soc_codec_dev_wm9081 = {
+ .probe = wm9081_probe,
+ .remove = wm9081_remove,
- for (i = 0; i < codec->driver->reg_cache_size; i++) {
- if (i == WM9081_SOFTWARE_RESET)
- continue;
+ .set_sysclk = wm9081_set_sysclk,
+ .set_bias_level = wm9081_set_bias_level,
- snd_soc_write(codec, i, reg_cache[i]);
- }
+ .idle_bias_off = true,
- wm9081_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
+ .controls = wm9081_snd_controls,
+ .num_controls = ARRAY_SIZE(wm9081_snd_controls),
+ .dapm_widgets = wm9081_dapm_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(wm9081_dapm_widgets),
+ .dapm_routes = wm9081_audio_paths,
+ .num_dapm_routes = ARRAY_SIZE(wm9081_audio_paths),
+};
- return 0;
-}
-#else
-#define wm9081_suspend NULL
-#define wm9081_resume NULL
-#endif
+static const struct regmap_config wm9081_regmap = {
+ .reg_bits = 8,
+ .val_bits = 16,
-static struct snd_soc_codec_driver soc_codec_dev_wm9081 = {
- .probe = wm9081_probe,
- .remove = wm9081_remove,
- .suspend = wm9081_suspend,
- .resume = wm9081_resume,
- .set_bias_level = wm9081_set_bias_level,
- .reg_cache_size = ARRAY_SIZE(wm9081_reg_defaults),
- .reg_word_size = sizeof(u16),
- .reg_cache_default = wm9081_reg_defaults,
- .volatile_register = wm9081_volatile_register,
+ .max_register = WM9081_MAX_REGISTER,
+ .reg_defaults = wm9081_reg,
+ .num_reg_defaults = ARRAY_SIZE(wm9081_reg),
+ .volatile_reg = wm9081_volatile_register,
+ .readable_reg = wm9081_readable_register,
+ .cache_type = REGCACHE_RBTREE,
};
-#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
-static __devinit int wm9081_i2c_probe(struct i2c_client *i2c,
- const struct i2c_device_id *id)
+#if IS_ENABLED(CONFIG_I2C)
+static int wm9081_i2c_probe(struct i2c_client *i2c,
+ const struct i2c_device_id *id)
{
struct wm9081_priv *wm9081;
+ unsigned int reg;
int ret;
- wm9081 = kzalloc(sizeof(struct wm9081_priv), GFP_KERNEL);
+ wm9081 = devm_kzalloc(&i2c->dev, sizeof(struct wm9081_priv),
+ GFP_KERNEL);
if (wm9081 == NULL)
return -ENOMEM;
i2c_set_clientdata(i2c, wm9081);
- wm9081->control_data = i2c;
+
+ wm9081->regmap = devm_regmap_init_i2c(i2c, &wm9081_regmap);
+ if (IS_ERR(wm9081->regmap)) {
+ ret = PTR_ERR(wm9081->regmap);
+ dev_err(&i2c->dev, "regmap_init() failed: %d\n", ret);
+ return ret;
+ }
+
+ ret = regmap_read(wm9081->regmap, WM9081_SOFTWARE_RESET, &reg);
+ if (ret != 0) {
+ dev_err(&i2c->dev, "Failed to read chip ID: %d\n", ret);
+ return ret;
+ }
+ if (reg != 0x9081) {
+ dev_err(&i2c->dev, "Device is not a WM9081: ID=0x%x\n", reg);
+ return -EINVAL;
+ }
+
+ ret = wm9081_reset(wm9081->regmap);
+ if (ret < 0) {
+ dev_err(&i2c->dev, "Failed to issue reset\n");
+ return ret;
+ }
+
+ if (dev_get_platdata(&i2c->dev))
+ memcpy(&wm9081->pdata, dev_get_platdata(&i2c->dev),
+ sizeof(wm9081->pdata));
+
+ reg = 0;
+ if (wm9081->pdata.irq_high)
+ reg |= WM9081_IRQ_POL;
+ if (!wm9081->pdata.irq_cmos)
+ reg |= WM9081_IRQ_OP_CTRL;
+ regmap_update_bits(wm9081->regmap, WM9081_INTERRUPT_CONTROL,
+ WM9081_IRQ_POL | WM9081_IRQ_OP_CTRL, reg);
+
+ regcache_cache_only(wm9081->regmap, true);
ret = snd_soc_register_codec(&i2c->dev,
&soc_codec_dev_wm9081, &wm9081_dai, 1);
if (ret < 0)
- kfree(wm9081);
- return ret;
+ return ret;
+
+ return 0;
}
-static __devexit int wm9081_i2c_remove(struct i2c_client *client)
+static int wm9081_i2c_remove(struct i2c_client *client)
{
snd_soc_unregister_codec(&client->dev);
- kfree(i2c_get_clientdata(client));
return 0;
}
@@ -1359,37 +1386,16 @@ MODULE_DEVICE_TABLE(i2c, wm9081_i2c_id);
static struct i2c_driver wm9081_i2c_driver = {
.driver = {
- .name = "wm9081-codec",
+ .name = "wm9081",
.owner = THIS_MODULE,
},
.probe = wm9081_i2c_probe,
- .remove = __devexit_p(wm9081_i2c_remove),
+ .remove = wm9081_i2c_remove,
.id_table = wm9081_i2c_id,
};
#endif
-static int __init wm9081_modinit(void)
-{
- int ret = 0;
-#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
- ret = i2c_add_driver(&wm9081_i2c_driver);
- if (ret != 0) {
- printk(KERN_ERR "Failed to register WM9081 I2C driver: %d\n",
- ret);
- }
-#endif
- return ret;
-}
-module_init(wm9081_modinit);
-
-static void __exit wm9081_exit(void)
-{
-#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
- i2c_del_driver(&wm9081_i2c_driver);
-#endif
-}
-module_exit(wm9081_exit);
-
+module_i2c_driver(wm9081_i2c_driver);
MODULE_DESCRIPTION("ASoC WM9081 driver");
MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-03 18:40:37 +0000