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627 lines
20 KiB
627 lines
20 KiB
// SPDX-License-Identifier: GPL-2.0-only |
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/* |
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* ALSA SoC WM9090 driver |
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* |
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* Copyright 2009-12 Wolfson Microelectronics |
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* |
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* Author: Mark Brown <[email protected]> |
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*/ |
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#include <linux/module.h> |
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#include <linux/errno.h> |
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#include <linux/device.h> |
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#include <linux/i2c.h> |
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#include <linux/delay.h> |
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#include <linux/regmap.h> |
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#include <linux/slab.h> |
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#include <sound/initval.h> |
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#include <sound/soc.h> |
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#include <sound/tlv.h> |
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#include <sound/wm9090.h> |
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#include "wm9090.h" |
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static const struct reg_default wm9090_reg_defaults[] = { |
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{ 1, 0x0006 }, /* R1 - Power Management (1) */ |
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{ 2, 0x6000 }, /* R2 - Power Management (2) */ |
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{ 3, 0x0000 }, /* R3 - Power Management (3) */ |
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{ 6, 0x01C0 }, /* R6 - Clocking 1 */ |
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{ 22, 0x0003 }, /* R22 - IN1 Line Control */ |
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{ 23, 0x0003 }, /* R23 - IN2 Line Control */ |
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{ 24, 0x0083 }, /* R24 - IN1 Line Input A Volume */ |
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{ 25, 0x0083 }, /* R25 - IN1 Line Input B Volume */ |
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{ 26, 0x0083 }, /* R26 - IN2 Line Input A Volume */ |
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{ 27, 0x0083 }, /* R27 - IN2 Line Input B Volume */ |
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{ 28, 0x002D }, /* R28 - Left Output Volume */ |
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{ 29, 0x002D }, /* R29 - Right Output Volume */ |
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{ 34, 0x0100 }, /* R34 - SPKMIXL Attenuation */ |
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{ 35, 0x0010 }, /* R36 - SPKOUT Mixers */ |
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{ 37, 0x0140 }, /* R37 - ClassD3 */ |
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{ 38, 0x0039 }, /* R38 - Speaker Volume Left */ |
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{ 45, 0x0000 }, /* R45 - Output Mixer1 */ |
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{ 46, 0x0000 }, /* R46 - Output Mixer2 */ |
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{ 47, 0x0100 }, /* R47 - Output Mixer3 */ |
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{ 48, 0x0100 }, /* R48 - Output Mixer4 */ |
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{ 54, 0x0000 }, /* R54 - Speaker Mixer */ |
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{ 57, 0x000D }, /* R57 - AntiPOP2 */ |
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{ 70, 0x0000 }, /* R70 - Write Sequencer 0 */ |
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{ 71, 0x0000 }, /* R71 - Write Sequencer 1 */ |
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{ 72, 0x0000 }, /* R72 - Write Sequencer 2 */ |
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{ 73, 0x0000 }, /* R73 - Write Sequencer 3 */ |
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{ 74, 0x0000 }, /* R74 - Write Sequencer 4 */ |
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{ 75, 0x0000 }, /* R75 - Write Sequencer 5 */ |
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{ 76, 0x1F25 }, /* R76 - Charge Pump 1 */ |
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{ 85, 0x054A }, /* R85 - DC Servo 1 */ |
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{ 87, 0x0000 }, /* R87 - DC Servo 3 */ |
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{ 96, 0x0100 }, /* R96 - Analogue HP 0 */ |
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{ 98, 0x8640 }, /* R98 - AGC Control 0 */ |
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{ 99, 0xC000 }, /* R99 - AGC Control 1 */ |
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{ 100, 0x0200 }, /* R100 - AGC Control 2 */ |
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}; |
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/* This struct is used to save the context */ |
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struct wm9090_priv { |
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struct wm9090_platform_data pdata; |
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struct regmap *regmap; |
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}; |
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static bool wm9090_volatile(struct device *dev, unsigned int reg) |
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{ |
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switch (reg) { |
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case WM9090_SOFTWARE_RESET: |
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case WM9090_DC_SERVO_0: |
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case WM9090_DC_SERVO_READBACK_0: |
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case WM9090_DC_SERVO_READBACK_1: |
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case WM9090_DC_SERVO_READBACK_2: |
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return true; |
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default: |
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return false; |
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} |
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} |
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static bool wm9090_readable(struct device *dev, unsigned int reg) |
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{ |
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switch (reg) { |
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case WM9090_SOFTWARE_RESET: |
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case WM9090_POWER_MANAGEMENT_1: |
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case WM9090_POWER_MANAGEMENT_2: |
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case WM9090_POWER_MANAGEMENT_3: |
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case WM9090_CLOCKING_1: |
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case WM9090_IN1_LINE_CONTROL: |
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case WM9090_IN2_LINE_CONTROL: |
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case WM9090_IN1_LINE_INPUT_A_VOLUME: |
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case WM9090_IN1_LINE_INPUT_B_VOLUME: |
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case WM9090_IN2_LINE_INPUT_A_VOLUME: |
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case WM9090_IN2_LINE_INPUT_B_VOLUME: |
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case WM9090_LEFT_OUTPUT_VOLUME: |
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case WM9090_RIGHT_OUTPUT_VOLUME: |
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case WM9090_SPKMIXL_ATTENUATION: |
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case WM9090_SPKOUT_MIXERS: |
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case WM9090_CLASSD3: |
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case WM9090_SPEAKER_VOLUME_LEFT: |
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case WM9090_OUTPUT_MIXER1: |
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case WM9090_OUTPUT_MIXER2: |
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case WM9090_OUTPUT_MIXER3: |
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case WM9090_OUTPUT_MIXER4: |
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case WM9090_SPEAKER_MIXER: |
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case WM9090_ANTIPOP2: |
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case WM9090_WRITE_SEQUENCER_0: |
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case WM9090_WRITE_SEQUENCER_1: |
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case WM9090_WRITE_SEQUENCER_2: |
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case WM9090_WRITE_SEQUENCER_3: |
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case WM9090_WRITE_SEQUENCER_4: |
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case WM9090_WRITE_SEQUENCER_5: |
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case WM9090_CHARGE_PUMP_1: |
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case WM9090_DC_SERVO_0: |
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case WM9090_DC_SERVO_1: |
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case WM9090_DC_SERVO_3: |
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case WM9090_DC_SERVO_READBACK_0: |
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case WM9090_DC_SERVO_READBACK_1: |
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case WM9090_DC_SERVO_READBACK_2: |
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case WM9090_ANALOGUE_HP_0: |
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case WM9090_AGC_CONTROL_0: |
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case WM9090_AGC_CONTROL_1: |
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case WM9090_AGC_CONTROL_2: |
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return true; |
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default: |
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return false; |
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} |
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} |
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static void wait_for_dc_servo(struct snd_soc_component *component) |
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{ |
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unsigned int reg; |
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int count = 0; |
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dev_dbg(component->dev, "Waiting for DC servo...\n"); |
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do { |
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count++; |
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msleep(1); |
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reg = snd_soc_component_read(component, WM9090_DC_SERVO_READBACK_0); |
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dev_dbg(component->dev, "DC servo status: %x\n", reg); |
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} while ((reg & WM9090_DCS_CAL_COMPLETE_MASK) |
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!= WM9090_DCS_CAL_COMPLETE_MASK && count < 1000); |
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if ((reg & WM9090_DCS_CAL_COMPLETE_MASK) |
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!= WM9090_DCS_CAL_COMPLETE_MASK) |
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dev_err(component->dev, "Timed out waiting for DC Servo\n"); |
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} |
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static const DECLARE_TLV_DB_RANGE(in_tlv, |
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0, 0, TLV_DB_SCALE_ITEM(-600, 0, 0), |
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1, 3, TLV_DB_SCALE_ITEM(-350, 350, 0), |
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4, 6, TLV_DB_SCALE_ITEM(600, 600, 0) |
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); |
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static const DECLARE_TLV_DB_RANGE(mix_tlv, |
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0, 2, TLV_DB_SCALE_ITEM(-1200, 300, 0), |
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3, 3, TLV_DB_SCALE_ITEM(0, 0, 0) |
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); |
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static const DECLARE_TLV_DB_SCALE(out_tlv, -5700, 100, 0); |
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static const DECLARE_TLV_DB_RANGE(spkboost_tlv, |
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0, 6, TLV_DB_SCALE_ITEM(0, 150, 0), |
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7, 7, TLV_DB_SCALE_ITEM(1200, 0, 0) |
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); |
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static const struct snd_kcontrol_new wm9090_controls[] = { |
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SOC_SINGLE_TLV("IN1A Volume", WM9090_IN1_LINE_INPUT_A_VOLUME, 0, 6, 0, |
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in_tlv), |
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SOC_SINGLE("IN1A Switch", WM9090_IN1_LINE_INPUT_A_VOLUME, 7, 1, 1), |
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SOC_SINGLE("IN1A ZC Switch", WM9090_IN1_LINE_INPUT_A_VOLUME, 6, 1, 0), |
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SOC_SINGLE_TLV("IN2A Volume", WM9090_IN2_LINE_INPUT_A_VOLUME, 0, 6, 0, |
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in_tlv), |
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SOC_SINGLE("IN2A Switch", WM9090_IN2_LINE_INPUT_A_VOLUME, 7, 1, 1), |
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SOC_SINGLE("IN2A ZC Switch", WM9090_IN2_LINE_INPUT_A_VOLUME, 6, 1, 0), |
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SOC_SINGLE("MIXOUTL Switch", WM9090_OUTPUT_MIXER3, 8, 1, 1), |
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SOC_SINGLE_TLV("MIXOUTL IN1A Volume", WM9090_OUTPUT_MIXER3, 6, 3, 1, |
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mix_tlv), |
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SOC_SINGLE_TLV("MIXOUTL IN2A Volume", WM9090_OUTPUT_MIXER3, 2, 3, 1, |
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mix_tlv), |
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SOC_SINGLE("MIXOUTR Switch", WM9090_OUTPUT_MIXER4, 8, 1, 1), |
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SOC_SINGLE_TLV("MIXOUTR IN1A Volume", WM9090_OUTPUT_MIXER4, 6, 3, 1, |
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mix_tlv), |
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SOC_SINGLE_TLV("MIXOUTR IN2A Volume", WM9090_OUTPUT_MIXER4, 2, 3, 1, |
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mix_tlv), |
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SOC_SINGLE("SPKMIX Switch", WM9090_SPKMIXL_ATTENUATION, 8, 1, 1), |
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SOC_SINGLE_TLV("SPKMIX IN1A Volume", WM9090_SPKMIXL_ATTENUATION, 6, 3, 1, |
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mix_tlv), |
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SOC_SINGLE_TLV("SPKMIX IN2A Volume", WM9090_SPKMIXL_ATTENUATION, 2, 3, 1, |
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mix_tlv), |
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SOC_DOUBLE_R_TLV("Headphone Volume", WM9090_LEFT_OUTPUT_VOLUME, |
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WM9090_RIGHT_OUTPUT_VOLUME, 0, 63, 0, out_tlv), |
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SOC_DOUBLE_R("Headphone Switch", WM9090_LEFT_OUTPUT_VOLUME, |
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WM9090_RIGHT_OUTPUT_VOLUME, 6, 1, 1), |
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SOC_DOUBLE_R("Headphone ZC Switch", WM9090_LEFT_OUTPUT_VOLUME, |
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WM9090_RIGHT_OUTPUT_VOLUME, 7, 1, 0), |
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SOC_SINGLE_TLV("Speaker Volume", WM9090_SPEAKER_VOLUME_LEFT, 0, 63, 0, |
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out_tlv), |
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SOC_SINGLE("Speaker Switch", WM9090_SPEAKER_VOLUME_LEFT, 6, 1, 1), |
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SOC_SINGLE("Speaker ZC Switch", WM9090_SPEAKER_VOLUME_LEFT, 7, 1, 0), |
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SOC_SINGLE_TLV("Speaker Boost Volume", WM9090_CLASSD3, 3, 7, 0, spkboost_tlv), |
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}; |
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static const struct snd_kcontrol_new wm9090_in1_se_controls[] = { |
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SOC_SINGLE_TLV("IN1B Volume", WM9090_IN1_LINE_INPUT_B_VOLUME, 0, 6, 0, |
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in_tlv), |
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SOC_SINGLE("IN1B Switch", WM9090_IN1_LINE_INPUT_B_VOLUME, 7, 1, 1), |
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SOC_SINGLE("IN1B ZC Switch", WM9090_IN1_LINE_INPUT_B_VOLUME, 6, 1, 0), |
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SOC_SINGLE_TLV("SPKMIX IN1B Volume", WM9090_SPKMIXL_ATTENUATION, 4, 3, 1, |
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mix_tlv), |
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SOC_SINGLE_TLV("MIXOUTL IN1B Volume", WM9090_OUTPUT_MIXER3, 4, 3, 1, |
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mix_tlv), |
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SOC_SINGLE_TLV("MIXOUTR IN1B Volume", WM9090_OUTPUT_MIXER4, 4, 3, 1, |
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mix_tlv), |
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}; |
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static const struct snd_kcontrol_new wm9090_in2_se_controls[] = { |
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SOC_SINGLE_TLV("IN2B Volume", WM9090_IN2_LINE_INPUT_B_VOLUME, 0, 6, 0, |
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in_tlv), |
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SOC_SINGLE("IN2B Switch", WM9090_IN2_LINE_INPUT_B_VOLUME, 7, 1, 1), |
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SOC_SINGLE("IN2B ZC Switch", WM9090_IN2_LINE_INPUT_B_VOLUME, 6, 1, 0), |
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SOC_SINGLE_TLV("SPKMIX IN2B Volume", WM9090_SPKMIXL_ATTENUATION, 0, 3, 1, |
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mix_tlv), |
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SOC_SINGLE_TLV("MIXOUTL IN2B Volume", WM9090_OUTPUT_MIXER3, 0, 3, 1, |
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mix_tlv), |
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SOC_SINGLE_TLV("MIXOUTR IN2B Volume", WM9090_OUTPUT_MIXER4, 0, 3, 1, |
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mix_tlv), |
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}; |
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static int hp_ev(struct snd_soc_dapm_widget *w, |
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struct snd_kcontrol *kcontrol, int event) |
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{ |
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struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); |
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unsigned int reg = snd_soc_component_read(component, WM9090_ANALOGUE_HP_0); |
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switch (event) { |
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case SND_SOC_DAPM_POST_PMU: |
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snd_soc_component_update_bits(component, WM9090_CHARGE_PUMP_1, |
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WM9090_CP_ENA, WM9090_CP_ENA); |
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msleep(5); |
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snd_soc_component_update_bits(component, WM9090_POWER_MANAGEMENT_1, |
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WM9090_HPOUT1L_ENA | WM9090_HPOUT1R_ENA, |
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WM9090_HPOUT1L_ENA | WM9090_HPOUT1R_ENA); |
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reg |= WM9090_HPOUT1L_DLY | WM9090_HPOUT1R_DLY; |
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snd_soc_component_write(component, WM9090_ANALOGUE_HP_0, reg); |
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/* Start the DC servo. We don't currently use the |
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* ability to save the state since we don't have full |
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* control of the analogue paths and they can change |
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* DC offsets; see the WM8904 driver for an example of |
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* doing so. |
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*/ |
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snd_soc_component_write(component, WM9090_DC_SERVO_0, |
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WM9090_DCS_ENA_CHAN_0 | |
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WM9090_DCS_ENA_CHAN_1 | |
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WM9090_DCS_TRIG_STARTUP_1 | |
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WM9090_DCS_TRIG_STARTUP_0); |
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wait_for_dc_servo(component); |
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reg |= WM9090_HPOUT1R_OUTP | WM9090_HPOUT1R_RMV_SHORT | |
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WM9090_HPOUT1L_OUTP | WM9090_HPOUT1L_RMV_SHORT; |
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snd_soc_component_write(component, WM9090_ANALOGUE_HP_0, reg); |
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break; |
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case SND_SOC_DAPM_PRE_PMD: |
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reg &= ~(WM9090_HPOUT1L_RMV_SHORT | |
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WM9090_HPOUT1L_DLY | |
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WM9090_HPOUT1L_OUTP | |
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WM9090_HPOUT1R_RMV_SHORT | |
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WM9090_HPOUT1R_DLY | |
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WM9090_HPOUT1R_OUTP); |
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snd_soc_component_write(component, WM9090_ANALOGUE_HP_0, reg); |
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snd_soc_component_write(component, WM9090_DC_SERVO_0, 0); |
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snd_soc_component_update_bits(component, WM9090_POWER_MANAGEMENT_1, |
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WM9090_HPOUT1L_ENA | WM9090_HPOUT1R_ENA, |
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0); |
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snd_soc_component_update_bits(component, WM9090_CHARGE_PUMP_1, |
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WM9090_CP_ENA, 0); |
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break; |
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} |
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return 0; |
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} |
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static const struct snd_kcontrol_new spkmix[] = { |
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SOC_DAPM_SINGLE("IN1A Switch", WM9090_SPEAKER_MIXER, 6, 1, 0), |
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SOC_DAPM_SINGLE("IN1B Switch", WM9090_SPEAKER_MIXER, 4, 1, 0), |
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SOC_DAPM_SINGLE("IN2A Switch", WM9090_SPEAKER_MIXER, 2, 1, 0), |
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SOC_DAPM_SINGLE("IN2B Switch", WM9090_SPEAKER_MIXER, 0, 1, 0), |
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}; |
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static const struct snd_kcontrol_new spkout[] = { |
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SOC_DAPM_SINGLE("Mixer Switch", WM9090_SPKOUT_MIXERS, 4, 1, 0), |
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}; |
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static const struct snd_kcontrol_new mixoutl[] = { |
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SOC_DAPM_SINGLE("IN1A Switch", WM9090_OUTPUT_MIXER1, 6, 1, 0), |
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SOC_DAPM_SINGLE("IN1B Switch", WM9090_OUTPUT_MIXER1, 4, 1, 0), |
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SOC_DAPM_SINGLE("IN2A Switch", WM9090_OUTPUT_MIXER1, 2, 1, 0), |
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SOC_DAPM_SINGLE("IN2B Switch", WM9090_OUTPUT_MIXER1, 0, 1, 0), |
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}; |
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static const struct snd_kcontrol_new mixoutr[] = { |
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SOC_DAPM_SINGLE("IN1A Switch", WM9090_OUTPUT_MIXER2, 6, 1, 0), |
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SOC_DAPM_SINGLE("IN1B Switch", WM9090_OUTPUT_MIXER2, 4, 1, 0), |
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SOC_DAPM_SINGLE("IN2A Switch", WM9090_OUTPUT_MIXER2, 2, 1, 0), |
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SOC_DAPM_SINGLE("IN2B Switch", WM9090_OUTPUT_MIXER2, 0, 1, 0), |
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}; |
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static const struct snd_soc_dapm_widget wm9090_dapm_widgets[] = { |
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SND_SOC_DAPM_INPUT("IN1+"), |
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SND_SOC_DAPM_INPUT("IN1-"), |
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SND_SOC_DAPM_INPUT("IN2+"), |
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SND_SOC_DAPM_INPUT("IN2-"), |
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SND_SOC_DAPM_SUPPLY("OSC", WM9090_POWER_MANAGEMENT_1, 3, 0, NULL, 0), |
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SND_SOC_DAPM_PGA("IN1A PGA", WM9090_POWER_MANAGEMENT_2, 7, 0, NULL, 0), |
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SND_SOC_DAPM_PGA("IN1B PGA", WM9090_POWER_MANAGEMENT_2, 6, 0, NULL, 0), |
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SND_SOC_DAPM_PGA("IN2A PGA", WM9090_POWER_MANAGEMENT_2, 5, 0, NULL, 0), |
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SND_SOC_DAPM_PGA("IN2B PGA", WM9090_POWER_MANAGEMENT_2, 4, 0, NULL, 0), |
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SND_SOC_DAPM_MIXER("SPKMIX", WM9090_POWER_MANAGEMENT_3, 3, 0, |
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spkmix, ARRAY_SIZE(spkmix)), |
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SND_SOC_DAPM_MIXER("MIXOUTL", WM9090_POWER_MANAGEMENT_3, 5, 0, |
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mixoutl, ARRAY_SIZE(mixoutl)), |
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SND_SOC_DAPM_MIXER("MIXOUTR", WM9090_POWER_MANAGEMENT_3, 4, 0, |
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mixoutr, ARRAY_SIZE(mixoutr)), |
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SND_SOC_DAPM_PGA_E("HP PGA", SND_SOC_NOPM, 0, 0, NULL, 0, |
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hp_ev, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD), |
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SND_SOC_DAPM_PGA("SPKPGA", WM9090_POWER_MANAGEMENT_3, 8, 0, NULL, 0), |
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SND_SOC_DAPM_MIXER("SPKOUT", WM9090_POWER_MANAGEMENT_1, 12, 0, |
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spkout, ARRAY_SIZE(spkout)), |
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SND_SOC_DAPM_OUTPUT("HPR"), |
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SND_SOC_DAPM_OUTPUT("HPL"), |
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SND_SOC_DAPM_OUTPUT("Speaker"), |
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}; |
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static const struct snd_soc_dapm_route audio_map[] = { |
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{ "IN1A PGA", NULL, "IN1+" }, |
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{ "IN2A PGA", NULL, "IN2+" }, |
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{ "SPKMIX", "IN1A Switch", "IN1A PGA" }, |
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{ "SPKMIX", "IN2A Switch", "IN2A PGA" }, |
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{ "MIXOUTL", "IN1A Switch", "IN1A PGA" }, |
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{ "MIXOUTL", "IN2A Switch", "IN2A PGA" }, |
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{ "MIXOUTR", "IN1A Switch", "IN1A PGA" }, |
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{ "MIXOUTR", "IN2A Switch", "IN2A PGA" }, |
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{ "HP PGA", NULL, "OSC" }, |
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{ "HP PGA", NULL, "MIXOUTL" }, |
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{ "HP PGA", NULL, "MIXOUTR" }, |
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{ "HPL", NULL, "HP PGA" }, |
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{ "HPR", NULL, "HP PGA" }, |
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{ "SPKPGA", NULL, "OSC" }, |
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{ "SPKPGA", NULL, "SPKMIX" }, |
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{ "SPKOUT", "Mixer Switch", "SPKPGA" }, |
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{ "Speaker", NULL, "SPKOUT" }, |
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}; |
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static const struct snd_soc_dapm_route audio_map_in1_se[] = { |
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{ "IN1B PGA", NULL, "IN1-" }, |
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{ "SPKMIX", "IN1B Switch", "IN1B PGA" }, |
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{ "MIXOUTL", "IN1B Switch", "IN1B PGA" }, |
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{ "MIXOUTR", "IN1B Switch", "IN1B PGA" }, |
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}; |
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static const struct snd_soc_dapm_route audio_map_in1_diff[] = { |
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{ "IN1A PGA", NULL, "IN1-" }, |
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}; |
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static const struct snd_soc_dapm_route audio_map_in2_se[] = { |
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{ "IN2B PGA", NULL, "IN2-" }, |
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{ "SPKMIX", "IN2B Switch", "IN2B PGA" }, |
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{ "MIXOUTL", "IN2B Switch", "IN2B PGA" }, |
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{ "MIXOUTR", "IN2B Switch", "IN2B PGA" }, |
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}; |
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static const struct snd_soc_dapm_route audio_map_in2_diff[] = { |
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{ "IN2A PGA", NULL, "IN2-" }, |
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}; |
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static int wm9090_add_controls(struct snd_soc_component *component) |
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{ |
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struct wm9090_priv *wm9090 = snd_soc_component_get_drvdata(component); |
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struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component); |
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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_component_controls(component, 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_component_controls(component, 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_component_controls(component, 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_component_write(component, WM9090_AGC_CONTROL_0 + i, |
|
wm9090->pdata.agc[i]); |
|
snd_soc_component_update_bits(component, WM9090_POWER_MANAGEMENT_3, |
|
WM9090_AGC_ENA, WM9090_AGC_ENA); |
|
} else { |
|
snd_soc_component_update_bits(component, 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_component *component, |
|
enum snd_soc_bias_level level) |
|
{ |
|
struct wm9090_priv *wm9090 = snd_soc_component_get_drvdata(component); |
|
|
|
switch (level) { |
|
case SND_SOC_BIAS_ON: |
|
break; |
|
|
|
case SND_SOC_BIAS_PREPARE: |
|
snd_soc_component_update_bits(component, WM9090_ANTIPOP2, WM9090_VMID_ENA, |
|
WM9090_VMID_ENA); |
|
snd_soc_component_update_bits(component, 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 (snd_soc_component_get_bias_level(component) == 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_component_update_bits(component, WM9090_POWER_MANAGEMENT_1, |
|
WM9090_BIAS_ENA | WM9090_VMID_RES_MASK, 0); |
|
snd_soc_component_update_bits(component, WM9090_ANTIPOP2, |
|
WM9090_VMID_ENA, 0); |
|
break; |
|
|
|
case SND_SOC_BIAS_OFF: |
|
break; |
|
} |
|
|
|
return 0; |
|
} |
|
|
|
static int wm9090_probe(struct snd_soc_component *component) |
|
{ |
|
/* Configure some defaults; they will be written out when we |
|
* bring the bias up. |
|
*/ |
|
snd_soc_component_update_bits(component, WM9090_IN1_LINE_INPUT_A_VOLUME, |
|
WM9090_IN1_VU | WM9090_IN1A_ZC, |
|
WM9090_IN1_VU | WM9090_IN1A_ZC); |
|
snd_soc_component_update_bits(component, WM9090_IN1_LINE_INPUT_B_VOLUME, |
|
WM9090_IN1_VU | WM9090_IN1B_ZC, |
|
WM9090_IN1_VU | WM9090_IN1B_ZC); |
|
snd_soc_component_update_bits(component, WM9090_IN2_LINE_INPUT_A_VOLUME, |
|
WM9090_IN2_VU | WM9090_IN2A_ZC, |
|
WM9090_IN2_VU | WM9090_IN2A_ZC); |
|
snd_soc_component_update_bits(component, WM9090_IN2_LINE_INPUT_B_VOLUME, |
|
WM9090_IN2_VU | WM9090_IN2B_ZC, |
|
WM9090_IN2_VU | WM9090_IN2B_ZC); |
|
snd_soc_component_update_bits(component, WM9090_SPEAKER_VOLUME_LEFT, |
|
WM9090_SPKOUT_VU | WM9090_SPKOUTL_ZC, |
|
WM9090_SPKOUT_VU | WM9090_SPKOUTL_ZC); |
|
snd_soc_component_update_bits(component, WM9090_LEFT_OUTPUT_VOLUME, |
|
WM9090_HPOUT1_VU | WM9090_HPOUT1L_ZC, |
|
WM9090_HPOUT1_VU | WM9090_HPOUT1L_ZC); |
|
snd_soc_component_update_bits(component, WM9090_RIGHT_OUTPUT_VOLUME, |
|
WM9090_HPOUT1_VU | WM9090_HPOUT1R_ZC, |
|
WM9090_HPOUT1_VU | WM9090_HPOUT1R_ZC); |
|
|
|
snd_soc_component_update_bits(component, WM9090_CLOCKING_1, |
|
WM9090_TOCLK_ENA, WM9090_TOCLK_ENA); |
|
|
|
wm9090_add_controls(component); |
|
|
|
return 0; |
|
} |
|
|
|
static const struct snd_soc_component_driver soc_component_dev_wm9090 = { |
|
.probe = wm9090_probe, |
|
.set_bias_level = wm9090_set_bias_level, |
|
.suspend_bias_off = 1, |
|
.idle_bias_on = 1, |
|
.use_pmdown_time = 1, |
|
}; |
|
|
|
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) |
|
{ |
|
struct wm9090_priv *wm9090; |
|
unsigned int reg; |
|
int ret; |
|
|
|
wm9090 = devm_kzalloc(&i2c->dev, sizeof(*wm9090), GFP_KERNEL); |
|
if (!wm9090) |
|
return -ENOMEM; |
|
|
|
wm9090->regmap = devm_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) |
|
return ret; |
|
|
|
if (reg != 0x9093) { |
|
dev_err(&i2c->dev, "Device is not a WM9090, ID=%x\n", reg); |
|
return -ENODEV; |
|
} |
|
|
|
ret = regmap_write(wm9090->regmap, WM9090_SOFTWARE_RESET, 0); |
|
if (ret < 0) |
|
return ret; |
|
|
|
if (i2c->dev.platform_data) |
|
memcpy(&wm9090->pdata, i2c->dev.platform_data, |
|
sizeof(wm9090->pdata)); |
|
|
|
i2c_set_clientdata(i2c, wm9090); |
|
|
|
ret = devm_snd_soc_register_component(&i2c->dev, |
|
&soc_component_dev_wm9090, NULL, 0); |
|
if (ret != 0) { |
|
dev_err(&i2c->dev, "Failed to register CODEC: %d\n", ret); |
|
return ret; |
|
} |
|
|
|
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", |
|
}, |
|
.probe_new = wm9090_i2c_probe, |
|
.id_table = wm9090_id, |
|
}; |
|
|
|
module_i2c_driver(wm9090_i2c_driver); |
|
|
|
MODULE_AUTHOR("Mark Brown <[email protected]>"); |
|
MODULE_DESCRIPTION("WM9090 ASoC driver"); |
|
MODULE_LICENSE("GPL");
|
|
|