diff options
Diffstat (limited to 'ANDROID_3.4.5/sound/soc/codecs/wm9090.c')
| -rw-r--r-- | ANDROID_3.4.5/sound/soc/codecs/wm9090.c | 712 |
1 files changed, 0 insertions, 712 deletions
diff --git a/ANDROID_3.4.5/sound/soc/codecs/wm9090.c b/ANDROID_3.4.5/sound/soc/codecs/wm9090.c deleted file mode 100644 index 4b263b6e..00000000 --- a/ANDROID_3.4.5/sound/soc/codecs/wm9090.c +++ /dev/null @@ -1,712 +0,0 @@ -/* - * 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, ®); - if (ret < 0) - goto err; - if (reg != 0x9093) { - dev_err(&i2c->dev, "Device is not a WM9090, ID=%x\n", reg); - 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"); |