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linux/sound/soc/codecs/wm9090.c
Liam Girdwood 022658beab ASoC: core: Add support for DAI and machine kcontrols. 
Currently ASoC can only add kcontrols using codec and platform component device
handles. It's also desirable to add kcontrols for DAIs (i.e. McBSP) and for
SoC card machine drivers too. This allows the kcontrol to have a direct handle to
the parent ASoC component DAI/SoC Card/Platform/Codec device and hence easily
get it's private data.

This change makes snd_soc_add_controls() static and wraps it in the folowing
calls (card and dai are new) :-

snd_soc_add_card_controls()
snd_soc_add_codec_controls()
snd_soc_add_dai_controls()
snd_soc_add_platform_controls()

This patch also does a lot of small mechanical changes in individual codec drivers
to replace snd_soc_add_controls() with snd_soc_add_codec_controls().

It also updates the McBSP DAI driver to use snd_soc_add_dai_controls().

Finally, it updates the existing machine drivers that register controls to either :-

1) Use snd_soc_add_card_controls() where no direct codec control is required.
2) Use snd_soc_add_codec_controls() where there is direct codec control.

In the case of 1) above we also update the machine drivers to get the correct
component data pointers from the kcontrol (rather than getting the machine pointer
via the codec pointer).

Signed-off-by: Liam Girdwood <lrg@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-02-04 12:40:11 +00:00

712 lines
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/*
* ALSA SoC WM9090 driver
*
* Copyright 2009, 2010 Wolfson Microelectronics
*
* Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
*
* 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 published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA
*/
#include <linux/module.h>
#include <linux/errno.h>
#include <linux/device.h>
#include <linux/i2c.h>
#include <linux/delay.h>
#include <linux/regmap.h>
#include <linux/slab.h>
#include <sound/initval.h>
#include <sound/soc.h>
#include <sound/tlv.h>
#include <sound/wm9090.h>
#include "wm9090.h"
static const struct reg_default wm9090_reg_defaults[] = {
{ 1, 0x0006 }, /* R1 - Power Management (1) */
{ 2, 0x6000 }, /* R2 - Power Management (2) */
{ 3, 0x0000 }, /* R3 - Power Management (3) */
{ 6, 0x01C0 }, /* R6 - Clocking 1 */
{ 22, 0x0003 }, /* R22 - IN1 Line Control */
{ 23, 0x0003 }, /* R23 - IN2 Line Control */
{ 24, 0x0083 }, /* R24 - IN1 Line Input A Volume */
{ 25, 0x0083 }, /* R25 - IN1 Line Input B Volume */
{ 26, 0x0083 }, /* R26 - IN2 Line Input A Volume */
{ 27, 0x0083 }, /* R27 - IN2 Line Input B Volume */
{ 28, 0x002D }, /* R28 - Left Output Volume */
{ 29, 0x002D }, /* R29 - Right Output Volume */
{ 34, 0x0100 }, /* R34 - SPKMIXL Attenuation */
{ 35, 0x0010 }, /* R36 - SPKOUT Mixers */
{ 37, 0x0140 }, /* R37 - ClassD3 */
{ 38, 0x0039 }, /* R38 - Speaker Volume Left */
{ 45, 0x0000 }, /* R45 - Output Mixer1 */
{ 46, 0x0000 }, /* R46 - Output Mixer2 */
{ 47, 0x0100 }, /* R47 - Output Mixer3 */
{ 48, 0x0100 }, /* R48 - Output Mixer4 */
{ 54, 0x0000 }, /* R54 - Speaker Mixer */
{ 57, 0x000D }, /* R57 - AntiPOP2 */
{ 70, 0x0000 }, /* R70 - Write Sequencer 0 */
{ 71, 0x0000 }, /* R71 - Write Sequencer 1 */
{ 72, 0x0000 }, /* R72 - Write Sequencer 2 */
{ 73, 0x0000 }, /* R73 - Write Sequencer 3 */
{ 74, 0x0000 }, /* R74 - Write Sequencer 4 */
{ 75, 0x0000 }, /* R75 - Write Sequencer 5 */
{ 76, 0x1F25 }, /* R76 - Charge Pump 1 */
{ 85, 0x054A }, /* R85 - DC Servo 1 */
{ 87, 0x0000 }, /* R87 - DC Servo 3 */
{ 96, 0x0100 }, /* R96 - Analogue HP 0 */
{ 98, 0x8640 }, /* R98 - AGC Control 0 */
{ 99, 0xC000 }, /* R99 - AGC Control 1 */
{ 100, 0x0200 }, /* R100 - AGC Control 2 */
};
/* This struct is used to save the context */
struct wm9090_priv {
struct wm9090_platform_data pdata;
struct regmap *regmap;
};
static bool wm9090_volatile(struct device *dev, unsigned int reg)
{
switch (reg) {
case WM9090_SOFTWARE_RESET:
case WM9090_DC_SERVO_0:
case WM9090_DC_SERVO_READBACK_0:
case WM9090_DC_SERVO_READBACK_1:
case WM9090_DC_SERVO_READBACK_2:
return true;
default:
return false;
}
}
static bool wm9090_readable(struct device *dev, unsigned int reg)
{
switch (reg) {
case WM9090_SOFTWARE_RESET:
case WM9090_POWER_MANAGEMENT_1:
case WM9090_POWER_MANAGEMENT_2:
case WM9090_POWER_MANAGEMENT_3:
case WM9090_CLOCKING_1:
case WM9090_IN1_LINE_CONTROL:
case WM9090_IN2_LINE_CONTROL:
case WM9090_IN1_LINE_INPUT_A_VOLUME:
case WM9090_IN1_LINE_INPUT_B_VOLUME:
case WM9090_IN2_LINE_INPUT_A_VOLUME:
case WM9090_IN2_LINE_INPUT_B_VOLUME:
case WM9090_LEFT_OUTPUT_VOLUME:
case WM9090_RIGHT_OUTPUT_VOLUME:
case WM9090_SPKMIXL_ATTENUATION:
case WM9090_SPKOUT_MIXERS:
case WM9090_CLASSD3:
case WM9090_SPEAKER_VOLUME_LEFT:
case WM9090_OUTPUT_MIXER1:
case WM9090_OUTPUT_MIXER2:
case WM9090_OUTPUT_MIXER3:
case WM9090_OUTPUT_MIXER4:
case WM9090_SPEAKER_MIXER:
case WM9090_ANTIPOP2:
case WM9090_WRITE_SEQUENCER_0:
case WM9090_WRITE_SEQUENCER_1:
case WM9090_WRITE_SEQUENCER_2:
case WM9090_WRITE_SEQUENCER_3:
case WM9090_WRITE_SEQUENCER_4:
case WM9090_WRITE_SEQUENCER_5:
case WM9090_CHARGE_PUMP_1:
case WM9090_DC_SERVO_0:
case WM9090_DC_SERVO_1:
case WM9090_DC_SERVO_3:
case WM9090_DC_SERVO_READBACK_0:
case WM9090_DC_SERVO_READBACK_1:
case WM9090_DC_SERVO_READBACK_2:
case WM9090_ANALOGUE_HP_0:
case WM9090_AGC_CONTROL_0:
case WM9090_AGC_CONTROL_1:
case WM9090_AGC_CONTROL_2:
return true;
default:
return false;
}
}
static void wait_for_dc_servo(struct snd_soc_codec *codec)
{
unsigned int reg;
int count = 0;
dev_dbg(codec->dev, "Waiting for DC servo...\n");
do {
count++;
msleep(1);
reg = snd_soc_read(codec, WM9090_DC_SERVO_READBACK_0);
dev_dbg(codec->dev, "DC servo status: %x\n", reg);
} while ((reg & WM9090_DCS_CAL_COMPLETE_MASK)
!= WM9090_DCS_CAL_COMPLETE_MASK && count < 1000);
if ((reg & WM9090_DCS_CAL_COMPLETE_MASK)
!= WM9090_DCS_CAL_COMPLETE_MASK)
dev_err(codec->dev, "Timed out waiting for DC Servo\n");
}
static const unsigned int in_tlv[] = {
TLV_DB_RANGE_HEAD(3),
0, 0, TLV_DB_SCALE_ITEM(-600, 0, 0),
1, 3, TLV_DB_SCALE_ITEM(-350, 350, 0),
4, 6, TLV_DB_SCALE_ITEM(600, 600, 0),
};
static const unsigned int mix_tlv[] = {
TLV_DB_RANGE_HEAD(2),
0, 2, TLV_DB_SCALE_ITEM(-1200, 300, 0),
3, 3, TLV_DB_SCALE_ITEM(0, 0, 0),
};
static const DECLARE_TLV_DB_SCALE(out_tlv, -5700, 100, 0);
static const unsigned int spkboost_tlv[] = {
TLV_DB_RANGE_HEAD(2),
0, 6, TLV_DB_SCALE_ITEM(0, 150, 0),
7, 7, TLV_DB_SCALE_ITEM(1200, 0, 0),
};
static const struct snd_kcontrol_new wm9090_controls[] = {
SOC_SINGLE_TLV("IN1A Volume", WM9090_IN1_LINE_INPUT_A_VOLUME, 0, 6, 0,
in_tlv),
SOC_SINGLE("IN1A Switch", WM9090_IN1_LINE_INPUT_A_VOLUME, 7, 1, 1),
SOC_SINGLE("IN1A ZC Switch", WM9090_IN1_LINE_INPUT_A_VOLUME, 6, 1, 0),
SOC_SINGLE_TLV("IN2A Volume", WM9090_IN2_LINE_INPUT_A_VOLUME, 0, 6, 0,
in_tlv),
SOC_SINGLE("IN2A Switch", WM9090_IN2_LINE_INPUT_A_VOLUME, 7, 1, 1),
SOC_SINGLE("IN2A ZC Switch", WM9090_IN2_LINE_INPUT_A_VOLUME, 6, 1, 0),
SOC_SINGLE("MIXOUTL Switch", WM9090_OUTPUT_MIXER3, 8, 1, 1),
SOC_SINGLE_TLV("MIXOUTL IN1A Volume", WM9090_OUTPUT_MIXER3, 6, 3, 1,
mix_tlv),
SOC_SINGLE_TLV("MIXOUTL IN2A Volume", WM9090_OUTPUT_MIXER3, 2, 3, 1,
mix_tlv),
SOC_SINGLE("MIXOUTR Switch", WM9090_OUTPUT_MIXER4, 8, 1, 1),
SOC_SINGLE_TLV("MIXOUTR IN1A Volume", WM9090_OUTPUT_MIXER4, 6, 3, 1,
mix_tlv),
SOC_SINGLE_TLV("MIXOUTR IN2A Volume", WM9090_OUTPUT_MIXER4, 2, 3, 1,
mix_tlv),
SOC_SINGLE("SPKMIX Switch", WM9090_SPKMIXL_ATTENUATION, 8, 1, 1),
SOC_SINGLE_TLV("SPKMIX IN1A Volume", WM9090_SPKMIXL_ATTENUATION, 6, 3, 1,
mix_tlv),
SOC_SINGLE_TLV("SPKMIX IN2A Volume", WM9090_SPKMIXL_ATTENUATION, 2, 3, 1,
mix_tlv),
SOC_DOUBLE_R_TLV("Headphone Volume", WM9090_LEFT_OUTPUT_VOLUME,
WM9090_RIGHT_OUTPUT_VOLUME, 0, 63, 0, out_tlv),
SOC_DOUBLE_R("Headphone Switch", WM9090_LEFT_OUTPUT_VOLUME,
WM9090_RIGHT_OUTPUT_VOLUME, 6, 1, 1),
SOC_DOUBLE_R("Headphone ZC Switch", WM9090_LEFT_OUTPUT_VOLUME,
WM9090_RIGHT_OUTPUT_VOLUME, 7, 1, 0),
SOC_SINGLE_TLV("Speaker Volume", WM9090_SPEAKER_VOLUME_LEFT, 0, 63, 0,
out_tlv),
SOC_SINGLE("Speaker Switch", WM9090_SPEAKER_VOLUME_LEFT, 6, 1, 1),
SOC_SINGLE("Speaker ZC Switch", WM9090_SPEAKER_VOLUME_LEFT, 7, 1, 0),
SOC_SINGLE_TLV("Speaker Boost Volume", WM9090_CLASSD3, 3, 7, 0, spkboost_tlv),
};
static const struct snd_kcontrol_new wm9090_in1_se_controls[] = {
SOC_SINGLE_TLV("IN1B Volume", WM9090_IN1_LINE_INPUT_B_VOLUME, 0, 6, 0,
in_tlv),
SOC_SINGLE("IN1B Switch", WM9090_IN1_LINE_INPUT_B_VOLUME, 7, 1, 1),
SOC_SINGLE("IN1B ZC Switch", WM9090_IN1_LINE_INPUT_B_VOLUME, 6, 1, 0),
SOC_SINGLE_TLV("SPKMIX IN1B Volume", WM9090_SPKMIXL_ATTENUATION, 4, 3, 1,
mix_tlv),
SOC_SINGLE_TLV("MIXOUTL IN1B Volume", WM9090_OUTPUT_MIXER3, 4, 3, 1,
mix_tlv),
SOC_SINGLE_TLV("MIXOUTR IN1B Volume", WM9090_OUTPUT_MIXER4, 4, 3, 1,
mix_tlv),
};
static const struct snd_kcontrol_new wm9090_in2_se_controls[] = {
SOC_SINGLE_TLV("IN2B Volume", WM9090_IN2_LINE_INPUT_B_VOLUME, 0, 6, 0,
in_tlv),
SOC_SINGLE("IN2B Switch", WM9090_IN2_LINE_INPUT_B_VOLUME, 7, 1, 1),
SOC_SINGLE("IN2B ZC Switch", WM9090_IN2_LINE_INPUT_B_VOLUME, 6, 1, 0),
SOC_SINGLE_TLV("SPKMIX IN2B Volume", WM9090_SPKMIXL_ATTENUATION, 0, 3, 1,
mix_tlv),
SOC_SINGLE_TLV("MIXOUTL IN2B Volume", WM9090_OUTPUT_MIXER3, 0, 3, 1,
mix_tlv),
SOC_SINGLE_TLV("MIXOUTR IN2B Volume", WM9090_OUTPUT_MIXER4, 0, 3, 1,
mix_tlv),
};
static int hp_ev(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, WM9090_ANALOGUE_HP_0);
switch (event) {
case SND_SOC_DAPM_POST_PMU:
snd_soc_update_bits(codec, WM9090_CHARGE_PUMP_1,
WM9090_CP_ENA, WM9090_CP_ENA);
msleep(5);
snd_soc_update_bits(codec, WM9090_POWER_MANAGEMENT_1,
WM9090_HPOUT1L_ENA | WM9090_HPOUT1R_ENA,
WM9090_HPOUT1L_ENA | WM9090_HPOUT1R_ENA);
reg |= WM9090_HPOUT1L_DLY | WM9090_HPOUT1R_DLY;
snd_soc_write(codec, WM9090_ANALOGUE_HP_0, reg);
/* Start the DC servo. We don't currently use the
* ability to save the state since we don't have full
* control of the analogue paths and they can change
* DC offsets; see the WM8904 driver for an example of
* doing so.
*/
snd_soc_write(codec, WM9090_DC_SERVO_0,
WM9090_DCS_ENA_CHAN_0 |
WM9090_DCS_ENA_CHAN_1 |
WM9090_DCS_TRIG_STARTUP_1 |
WM9090_DCS_TRIG_STARTUP_0);
wait_for_dc_servo(codec);
reg |= WM9090_HPOUT1R_OUTP | WM9090_HPOUT1R_RMV_SHORT |
WM9090_HPOUT1L_OUTP | WM9090_HPOUT1L_RMV_SHORT;
snd_soc_write(codec, WM9090_ANALOGUE_HP_0, reg);
break;
case SND_SOC_DAPM_PRE_PMD:
reg &= ~(WM9090_HPOUT1L_RMV_SHORT |
WM9090_HPOUT1L_DLY |
WM9090_HPOUT1L_OUTP |
WM9090_HPOUT1R_RMV_SHORT |
WM9090_HPOUT1R_DLY |
WM9090_HPOUT1R_OUTP);
snd_soc_write(codec, WM9090_ANALOGUE_HP_0, reg);
snd_soc_write(codec, WM9090_DC_SERVO_0, 0);
snd_soc_update_bits(codec, WM9090_POWER_MANAGEMENT_1,
WM9090_HPOUT1L_ENA | WM9090_HPOUT1R_ENA,
0);
snd_soc_update_bits(codec, WM9090_CHARGE_PUMP_1,
WM9090_CP_ENA, 0);
break;
}
return 0;
}
static const struct snd_kcontrol_new spkmix[] = {
SOC_DAPM_SINGLE("IN1A Switch", WM9090_SPEAKER_MIXER, 6, 1, 0),
SOC_DAPM_SINGLE("IN1B Switch", WM9090_SPEAKER_MIXER, 4, 1, 0),
SOC_DAPM_SINGLE("IN2A Switch", WM9090_SPEAKER_MIXER, 2, 1, 0),
SOC_DAPM_SINGLE("IN2B Switch", WM9090_SPEAKER_MIXER, 0, 1, 0),
};
static const struct snd_kcontrol_new spkout[] = {
SOC_DAPM_SINGLE("Mixer Switch", WM9090_SPKOUT_MIXERS, 4, 1, 0),
};
static const struct snd_kcontrol_new mixoutl[] = {
SOC_DAPM_SINGLE("IN1A Switch", WM9090_OUTPUT_MIXER1, 6, 1, 0),
SOC_DAPM_SINGLE("IN1B Switch", WM9090_OUTPUT_MIXER1, 4, 1, 0),
SOC_DAPM_SINGLE("IN2A Switch", WM9090_OUTPUT_MIXER1, 2, 1, 0),
SOC_DAPM_SINGLE("IN2B Switch", WM9090_OUTPUT_MIXER1, 0, 1, 0),
};
static const struct snd_kcontrol_new mixoutr[] = {
SOC_DAPM_SINGLE("IN1A Switch", WM9090_OUTPUT_MIXER2, 6, 1, 0),
SOC_DAPM_SINGLE("IN1B Switch", WM9090_OUTPUT_MIXER2, 4, 1, 0),
SOC_DAPM_SINGLE("IN2A Switch", WM9090_OUTPUT_MIXER2, 2, 1, 0),
SOC_DAPM_SINGLE("IN2B Switch", WM9090_OUTPUT_MIXER2, 0, 1, 0),
};
static const struct snd_soc_dapm_widget wm9090_dapm_widgets[] = {
SND_SOC_DAPM_INPUT("IN1+"),
SND_SOC_DAPM_INPUT("IN1-"),
SND_SOC_DAPM_INPUT("IN2+"),
SND_SOC_DAPM_INPUT("IN2-"),
SND_SOC_DAPM_SUPPLY("OSC", WM9090_POWER_MANAGEMENT_1, 3, 0, NULL, 0),
SND_SOC_DAPM_PGA("IN1A PGA", WM9090_POWER_MANAGEMENT_2, 7, 0, NULL, 0),
SND_SOC_DAPM_PGA("IN1B PGA", WM9090_POWER_MANAGEMENT_2, 6, 0, NULL, 0),
SND_SOC_DAPM_PGA("IN2A PGA", WM9090_POWER_MANAGEMENT_2, 5, 0, NULL, 0),
SND_SOC_DAPM_PGA("IN2B PGA", WM9090_POWER_MANAGEMENT_2, 4, 0, NULL, 0),
SND_SOC_DAPM_MIXER("SPKMIX", WM9090_POWER_MANAGEMENT_3, 3, 0,
spkmix, ARRAY_SIZE(spkmix)),
SND_SOC_DAPM_MIXER("MIXOUTL", WM9090_POWER_MANAGEMENT_3, 5, 0,
mixoutl, ARRAY_SIZE(mixoutl)),
SND_SOC_DAPM_MIXER("MIXOUTR", WM9090_POWER_MANAGEMENT_3, 4, 0,
mixoutr, ARRAY_SIZE(mixoutr)),
SND_SOC_DAPM_PGA_E("HP PGA", SND_SOC_NOPM, 0, 0, NULL, 0,
hp_ev, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
SND_SOC_DAPM_PGA("SPKPGA", WM9090_POWER_MANAGEMENT_3, 8, 0, NULL, 0),
SND_SOC_DAPM_MIXER("SPKOUT", WM9090_POWER_MANAGEMENT_1, 12, 0,
spkout, ARRAY_SIZE(spkout)),
SND_SOC_DAPM_OUTPUT("HPR"),
SND_SOC_DAPM_OUTPUT("HPL"),
SND_SOC_DAPM_OUTPUT("Speaker"),
};
static const struct snd_soc_dapm_route audio_map[] = {
{ "IN1A PGA", NULL, "IN1+" },
{ "IN2A PGA", NULL, "IN2+" },
{ "SPKMIX", "IN1A Switch", "IN1A PGA" },
{ "SPKMIX", "IN2A Switch", "IN2A PGA" },
{ "MIXOUTL", "IN1A Switch", "IN1A PGA" },
{ "MIXOUTL", "IN2A Switch", "IN2A PGA" },
{ "MIXOUTR", "IN1A Switch", "IN1A PGA" },
{ "MIXOUTR", "IN2A Switch", "IN2A PGA" },
{ "HP PGA", NULL, "OSC" },
{ "HP PGA", NULL, "MIXOUTL" },
{ "HP PGA", NULL, "MIXOUTR" },
{ "HPL", NULL, "HP PGA" },
{ "HPR", NULL, "HP PGA" },
{ "SPKPGA", NULL, "OSC" },
{ "SPKPGA", NULL, "SPKMIX" },
{ "SPKOUT", "Mixer Switch", "SPKPGA" },
{ "Speaker", NULL, "SPKOUT" },
};
static const struct snd_soc_dapm_route audio_map_in1_se[] = {
{ "IN1B PGA", NULL, "IN1-" },
{ "SPKMIX", "IN1B Switch", "IN1B PGA" },
{ "MIXOUTL", "IN1B Switch", "IN1B PGA" },
{ "MIXOUTR", "IN1B Switch", "IN1B PGA" },
};
static const struct snd_soc_dapm_route audio_map_in1_diff[] = {
{ "IN1A PGA", NULL, "IN1-" },
};
static const struct snd_soc_dapm_route audio_map_in2_se[] = {
{ "IN2B PGA", NULL, "IN2-" },
{ "SPKMIX", "IN2B Switch", "IN2B PGA" },
{ "MIXOUTL", "IN2B Switch", "IN2B PGA" },
{ "MIXOUTR", "IN2B Switch", "IN2B PGA" },
};
static const struct snd_soc_dapm_route audio_map_in2_diff[] = {
{ "IN2A PGA", NULL, "IN2-" },
};
static int wm9090_add_controls(struct snd_soc_codec *codec)
{
struct wm9090_priv *wm9090 = snd_soc_codec_get_drvdata(codec);
struct snd_soc_dapm_context *dapm = &codec->dapm;
int i;
snd_soc_dapm_new_controls(dapm, wm9090_dapm_widgets,
ARRAY_SIZE(wm9090_dapm_widgets));
snd_soc_dapm_add_routes(dapm, audio_map, ARRAY_SIZE(audio_map));
snd_soc_add_codec_controls(codec, wm9090_controls,
ARRAY_SIZE(wm9090_controls));
if (wm9090->pdata.lin1_diff) {
snd_soc_dapm_add_routes(dapm, audio_map_in1_diff,
ARRAY_SIZE(audio_map_in1_diff));
} else {
snd_soc_dapm_add_routes(dapm, audio_map_in1_se,
ARRAY_SIZE(audio_map_in1_se));
snd_soc_add_codec_controls(codec, wm9090_in1_se_controls,
ARRAY_SIZE(wm9090_in1_se_controls));
}
if (wm9090->pdata.lin2_diff) {
snd_soc_dapm_add_routes(dapm, audio_map_in2_diff,
ARRAY_SIZE(audio_map_in2_diff));
} else {
snd_soc_dapm_add_routes(dapm, audio_map_in2_se,
ARRAY_SIZE(audio_map_in2_se));
snd_soc_add_codec_controls(codec, wm9090_in2_se_controls,
ARRAY_SIZE(wm9090_in2_se_controls));
}
if (wm9090->pdata.agc_ena) {
for (i = 0; i < ARRAY_SIZE(wm9090->pdata.agc); i++)
snd_soc_write(codec, WM9090_AGC_CONTROL_0 + i,
wm9090->pdata.agc[i]);
snd_soc_update_bits(codec, WM9090_POWER_MANAGEMENT_3,
WM9090_AGC_ENA, WM9090_AGC_ENA);
} else {
snd_soc_update_bits(codec, WM9090_POWER_MANAGEMENT_3,
WM9090_AGC_ENA, 0);
}
return 0;
}
/*
* The machine driver should call this from their set_bias_level; if there
* isn't one then this can just be set as the set_bias_level function.
*/
static int wm9090_set_bias_level(struct snd_soc_codec *codec,
enum snd_soc_bias_level level)
{
struct wm9090_priv *wm9090 = snd_soc_codec_get_drvdata(codec);
switch (level) {
case SND_SOC_BIAS_ON:
break;
case SND_SOC_BIAS_PREPARE:
snd_soc_update_bits(codec, WM9090_ANTIPOP2, WM9090_VMID_ENA,
WM9090_VMID_ENA);
snd_soc_update_bits(codec, WM9090_POWER_MANAGEMENT_1,
WM9090_BIAS_ENA |
WM9090_VMID_RES_MASK,
WM9090_BIAS_ENA |
1 << WM9090_VMID_RES_SHIFT);
msleep(1); /* Probably an overestimate */
break;
case SND_SOC_BIAS_STANDBY:
if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) {
/* Restore the register cache */
regcache_sync(wm9090->regmap);
}
/* We keep VMID off during standby since the combination of
* ground referenced outputs and class D speaker mean that
* latency is not an issue.
*/
snd_soc_update_bits(codec, WM9090_POWER_MANAGEMENT_1,
WM9090_BIAS_ENA | WM9090_VMID_RES_MASK, 0);
snd_soc_update_bits(codec, WM9090_ANTIPOP2,
WM9090_VMID_ENA, 0);
break;
case SND_SOC_BIAS_OFF:
break;
}
codec->dapm.bias_level = level;
return 0;
}
static int wm9090_probe(struct snd_soc_codec *codec)
{
struct wm9090_priv *wm9090 = dev_get_drvdata(codec->dev);
int ret;
codec->control_data = wm9090->regmap;
ret = snd_soc_codec_set_cache_io(codec, 8, 16, SND_SOC_REGMAP);
if (ret != 0) {
dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);
return ret;
}
/* Configure some defaults; they will be written out when we
* bring the bias up.
*/
snd_soc_update_bits(codec, WM9090_IN1_LINE_INPUT_A_VOLUME,
WM9090_IN1_VU | WM9090_IN1A_ZC,
WM9090_IN1_VU | WM9090_IN1A_ZC);
snd_soc_update_bits(codec, WM9090_IN1_LINE_INPUT_B_VOLUME,
WM9090_IN1_VU | WM9090_IN1B_ZC,
WM9090_IN1_VU | WM9090_IN1B_ZC);
snd_soc_update_bits(codec, WM9090_IN2_LINE_INPUT_A_VOLUME,
WM9090_IN2_VU | WM9090_IN2A_ZC,
WM9090_IN2_VU | WM9090_IN2A_ZC);
snd_soc_update_bits(codec, WM9090_IN2_LINE_INPUT_B_VOLUME,
WM9090_IN2_VU | WM9090_IN2B_ZC,
WM9090_IN2_VU | WM9090_IN2B_ZC);
snd_soc_update_bits(codec, WM9090_SPEAKER_VOLUME_LEFT,
WM9090_SPKOUT_VU | WM9090_SPKOUTL_ZC,
WM9090_SPKOUT_VU | WM9090_SPKOUTL_ZC);
snd_soc_update_bits(codec, WM9090_LEFT_OUTPUT_VOLUME,
WM9090_HPOUT1_VU | WM9090_HPOUT1L_ZC,
WM9090_HPOUT1_VU | WM9090_HPOUT1L_ZC);
snd_soc_update_bits(codec, WM9090_RIGHT_OUTPUT_VOLUME,
WM9090_HPOUT1_VU | WM9090_HPOUT1R_ZC,
WM9090_HPOUT1_VU | WM9090_HPOUT1R_ZC);
snd_soc_update_bits(codec, WM9090_CLOCKING_1,
WM9090_TOCLK_ENA, WM9090_TOCLK_ENA);
wm9090_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
wm9090_add_controls(codec);
return 0;
}
#ifdef CONFIG_PM
static int wm9090_suspend(struct snd_soc_codec *codec)
{
wm9090_set_bias_level(codec, SND_SOC_BIAS_OFF);
return 0;
}
static int wm9090_resume(struct snd_soc_codec *codec)
{
wm9090_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
return 0;
}
#else
#define wm9090_suspend NULL
#define wm9090_resume NULL
#endif
static int wm9090_remove(struct snd_soc_codec *codec)
{
wm9090_set_bias_level(codec, SND_SOC_BIAS_OFF);
return 0;
}
static struct snd_soc_codec_driver soc_codec_dev_wm9090 = {
.probe = wm9090_probe,
.remove = wm9090_remove,
.suspend = wm9090_suspend,
.resume = wm9090_resume,
.set_bias_level = wm9090_set_bias_level,
};
static const struct regmap_config wm9090_regmap = {
.reg_bits = 8,
.val_bits = 16,
.max_register = WM9090_MAX_REGISTER,
.volatile_reg = wm9090_volatile,
.readable_reg = wm9090_readable,
.cache_type = REGCACHE_RBTREE,
.reg_defaults = wm9090_reg_defaults,
.num_reg_defaults = ARRAY_SIZE(wm9090_reg_defaults),
};
static int wm9090_i2c_probe(struct i2c_client *i2c,
const struct i2c_device_id *id)
{
struct wm9090_priv *wm9090;
unsigned int reg;
int ret;
wm9090 = devm_kzalloc(&i2c->dev, sizeof(*wm9090), GFP_KERNEL);
if (wm9090 == NULL) {
dev_err(&i2c->dev, "Can not allocate memory\n");
return -ENOMEM;
}
wm9090->regmap = regmap_init_i2c(i2c, &wm9090_regmap);
if (IS_ERR(wm9090->regmap)) {
ret = PTR_ERR(wm9090->regmap);
dev_err(&i2c->dev, "Failed to allocate regmap: %d\n", ret);
return ret;
}
ret = regmap_read(wm9090->regmap, WM9090_SOFTWARE_RESET, &reg);
if (ret < 0)
goto err;
if (reg != 0x9093) {
dev_err(&i2c->dev, "Device is not a WM9090, ID=%x\n", ret);
ret = -ENODEV;
goto err;
}
ret = regmap_write(wm9090->regmap, WM9090_SOFTWARE_RESET, 0);
if (ret < 0)
goto err;
if (i2c->dev.platform_data)
memcpy(&wm9090->pdata, i2c->dev.platform_data,
sizeof(wm9090->pdata));
i2c_set_clientdata(i2c, wm9090);
ret = snd_soc_register_codec(&i2c->dev,
&soc_codec_dev_wm9090, NULL, 0);
if (ret != 0) {
dev_err(&i2c->dev, "Failed to register CODEC: %d\n", ret);
goto err;
}
return 0;
err:
regmap_exit(wm9090->regmap);
return ret;
}
static int __devexit wm9090_i2c_remove(struct i2c_client *i2c)
{
struct wm9090_priv *wm9090 = i2c_get_clientdata(i2c);
snd_soc_unregister_codec(&i2c->dev);
regmap_exit(wm9090->regmap);
return 0;
}
static const struct i2c_device_id wm9090_id[] = {
{ "wm9090", 0 },
{ "wm9093", 0 },
{ }
};
MODULE_DEVICE_TABLE(i2c, wm9090_id);
static struct i2c_driver wm9090_i2c_driver = {
.driver = {
.name = "wm9090",
.owner = THIS_MODULE,
},
.probe = wm9090_i2c_probe,
.remove = __devexit_p(wm9090_i2c_remove),
.id_table = wm9090_id,
};
static int __init wm9090_init(void)
{
return i2c_add_driver(&wm9090_i2c_driver);
}
module_init(wm9090_init);
static void __exit wm9090_exit(void)
{
i2c_del_driver(&wm9090_i2c_driver);
}
module_exit(wm9090_exit);
MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");
MODULE_DESCRIPTION("WM9090 ASoC driver");
MODULE_LICENSE("GPL");
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