1264 lines
36 KiB
C
1264 lines
36 KiB
C
/*
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* wm8985.c -- WM8985 / WM8758 ALSA SoC Audio driver
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*
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* Copyright 2010 Wolfson Microelectronics plc
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* Author: Dimitris Papastamos <dp@opensource.wolfsonmicro.com>
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*
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* WM8758 support:
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* Copyright: 2016 Barix AG
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* Author: Petr Kulhavy <petr@barix.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* TODO:
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* o Add OUT3/OUT4 mixer controls.
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*/
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#include <linux/module.h>
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#include <linux/moduleparam.h>
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#include <linux/init.h>
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#include <linux/delay.h>
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#include <linux/pm.h>
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#include <linux/i2c.h>
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#include <linux/regmap.h>
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#include <linux/regulator/consumer.h>
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#include <linux/spi/spi.h>
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#include <linux/slab.h>
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#include <sound/core.h>
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#include <sound/pcm.h>
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#include <sound/pcm_params.h>
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#include <sound/soc.h>
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#include <sound/initval.h>
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#include <sound/tlv.h>
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#include "wm8985.h"
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#define WM8985_NUM_SUPPLIES 4
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static const char *wm8985_supply_names[WM8985_NUM_SUPPLIES] = {
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"DCVDD",
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"DBVDD",
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"AVDD1",
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"AVDD2"
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};
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enum wm8985_type {
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WM8985,
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WM8758,
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};
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static const struct reg_default wm8985_reg_defaults[] = {
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{ 1, 0x0000 }, /* R1 - Power management 1 */
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{ 2, 0x0000 }, /* R2 - Power management 2 */
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{ 3, 0x0000 }, /* R3 - Power management 3 */
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{ 4, 0x0050 }, /* R4 - Audio Interface */
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{ 5, 0x0000 }, /* R5 - Companding control */
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{ 6, 0x0140 }, /* R6 - Clock Gen control */
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{ 7, 0x0000 }, /* R7 - Additional control */
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{ 8, 0x0000 }, /* R8 - GPIO Control */
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{ 9, 0x0000 }, /* R9 - Jack Detect Control 1 */
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{ 10, 0x0000 }, /* R10 - DAC Control */
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{ 11, 0x00FF }, /* R11 - Left DAC digital Vol */
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{ 12, 0x00FF }, /* R12 - Right DAC digital vol */
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{ 13, 0x0000 }, /* R13 - Jack Detect Control 2 */
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{ 14, 0x0100 }, /* R14 - ADC Control */
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{ 15, 0x00FF }, /* R15 - Left ADC Digital Vol */
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{ 16, 0x00FF }, /* R16 - Right ADC Digital Vol */
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{ 18, 0x012C }, /* R18 - EQ1 - low shelf */
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{ 19, 0x002C }, /* R19 - EQ2 - peak 1 */
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{ 20, 0x002C }, /* R20 - EQ3 - peak 2 */
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{ 21, 0x002C }, /* R21 - EQ4 - peak 3 */
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{ 22, 0x002C }, /* R22 - EQ5 - high shelf */
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{ 24, 0x0032 }, /* R24 - DAC Limiter 1 */
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{ 25, 0x0000 }, /* R25 - DAC Limiter 2 */
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{ 27, 0x0000 }, /* R27 - Notch Filter 1 */
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{ 28, 0x0000 }, /* R28 - Notch Filter 2 */
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{ 29, 0x0000 }, /* R29 - Notch Filter 3 */
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{ 30, 0x0000 }, /* R30 - Notch Filter 4 */
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{ 32, 0x0038 }, /* R32 - ALC control 1 */
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{ 33, 0x000B }, /* R33 - ALC control 2 */
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{ 34, 0x0032 }, /* R34 - ALC control 3 */
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{ 35, 0x0000 }, /* R35 - Noise Gate */
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{ 36, 0x0008 }, /* R36 - PLL N */
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{ 37, 0x000C }, /* R37 - PLL K 1 */
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{ 38, 0x0093 }, /* R38 - PLL K 2 */
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{ 39, 0x00E9 }, /* R39 - PLL K 3 */
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{ 41, 0x0000 }, /* R41 - 3D control */
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{ 42, 0x0000 }, /* R42 - OUT4 to ADC */
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{ 43, 0x0000 }, /* R43 - Beep control */
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{ 44, 0x0033 }, /* R44 - Input ctrl */
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{ 45, 0x0010 }, /* R45 - Left INP PGA gain ctrl */
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{ 46, 0x0010 }, /* R46 - Right INP PGA gain ctrl */
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{ 47, 0x0100 }, /* R47 - Left ADC BOOST ctrl */
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{ 48, 0x0100 }, /* R48 - Right ADC BOOST ctrl */
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{ 49, 0x0002 }, /* R49 - Output ctrl */
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{ 50, 0x0001 }, /* R50 - Left mixer ctrl */
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{ 51, 0x0001 }, /* R51 - Right mixer ctrl */
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{ 52, 0x0039 }, /* R52 - LOUT1 (HP) volume ctrl */
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{ 53, 0x0039 }, /* R53 - ROUT1 (HP) volume ctrl */
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{ 54, 0x0039 }, /* R54 - LOUT2 (SPK) volume ctrl */
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{ 55, 0x0039 }, /* R55 - ROUT2 (SPK) volume ctrl */
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{ 56, 0x0001 }, /* R56 - OUT3 mixer ctrl */
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{ 57, 0x0001 }, /* R57 - OUT4 (MONO) mix ctrl */
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{ 60, 0x0004 }, /* R60 - OUTPUT ctrl */
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{ 61, 0x0000 }, /* R61 - BIAS CTRL */
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};
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static bool wm8985_writeable(struct device *dev, unsigned int reg)
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{
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switch (reg) {
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case WM8985_SOFTWARE_RESET:
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case WM8985_POWER_MANAGEMENT_1:
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case WM8985_POWER_MANAGEMENT_2:
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case WM8985_POWER_MANAGEMENT_3:
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case WM8985_AUDIO_INTERFACE:
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case WM8985_COMPANDING_CONTROL:
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case WM8985_CLOCK_GEN_CONTROL:
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case WM8985_ADDITIONAL_CONTROL:
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case WM8985_GPIO_CONTROL:
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case WM8985_JACK_DETECT_CONTROL_1:
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case WM8985_DAC_CONTROL:
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case WM8985_LEFT_DAC_DIGITAL_VOL:
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case WM8985_RIGHT_DAC_DIGITAL_VOL:
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case WM8985_JACK_DETECT_CONTROL_2:
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case WM8985_ADC_CONTROL:
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case WM8985_LEFT_ADC_DIGITAL_VOL:
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case WM8985_RIGHT_ADC_DIGITAL_VOL:
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case WM8985_EQ1_LOW_SHELF:
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case WM8985_EQ2_PEAK_1:
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case WM8985_EQ3_PEAK_2:
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case WM8985_EQ4_PEAK_3:
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case WM8985_EQ5_HIGH_SHELF:
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case WM8985_DAC_LIMITER_1:
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case WM8985_DAC_LIMITER_2:
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case WM8985_NOTCH_FILTER_1:
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case WM8985_NOTCH_FILTER_2:
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case WM8985_NOTCH_FILTER_3:
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case WM8985_NOTCH_FILTER_4:
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case WM8985_ALC_CONTROL_1:
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case WM8985_ALC_CONTROL_2:
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case WM8985_ALC_CONTROL_3:
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case WM8985_NOISE_GATE:
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case WM8985_PLL_N:
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case WM8985_PLL_K_1:
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case WM8985_PLL_K_2:
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case WM8985_PLL_K_3:
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case WM8985_3D_CONTROL:
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case WM8985_OUT4_TO_ADC:
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case WM8985_BEEP_CONTROL:
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case WM8985_INPUT_CTRL:
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case WM8985_LEFT_INP_PGA_GAIN_CTRL:
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case WM8985_RIGHT_INP_PGA_GAIN_CTRL:
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case WM8985_LEFT_ADC_BOOST_CTRL:
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case WM8985_RIGHT_ADC_BOOST_CTRL:
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case WM8985_OUTPUT_CTRL0:
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case WM8985_LEFT_MIXER_CTRL:
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case WM8985_RIGHT_MIXER_CTRL:
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case WM8985_LOUT1_HP_VOLUME_CTRL:
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case WM8985_ROUT1_HP_VOLUME_CTRL:
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case WM8985_LOUT2_SPK_VOLUME_CTRL:
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case WM8985_ROUT2_SPK_VOLUME_CTRL:
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case WM8985_OUT3_MIXER_CTRL:
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case WM8985_OUT4_MONO_MIX_CTRL:
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case WM8985_OUTPUT_CTRL1:
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case WM8985_BIAS_CTRL:
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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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/*
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* latch bit 8 of these registers to ensure instant
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* volume updates
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*/
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static const int volume_update_regs[] = {
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WM8985_LEFT_DAC_DIGITAL_VOL,
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WM8985_RIGHT_DAC_DIGITAL_VOL,
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WM8985_LEFT_ADC_DIGITAL_VOL,
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WM8985_RIGHT_ADC_DIGITAL_VOL,
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WM8985_LOUT2_SPK_VOLUME_CTRL,
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WM8985_ROUT2_SPK_VOLUME_CTRL,
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WM8985_LOUT1_HP_VOLUME_CTRL,
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WM8985_ROUT1_HP_VOLUME_CTRL,
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WM8985_LEFT_INP_PGA_GAIN_CTRL,
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WM8985_RIGHT_INP_PGA_GAIN_CTRL
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};
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struct wm8985_priv {
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struct regmap *regmap;
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struct regulator_bulk_data supplies[WM8985_NUM_SUPPLIES];
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enum wm8985_type dev_type;
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unsigned int sysclk;
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unsigned int bclk;
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};
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static const struct {
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int div;
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int ratio;
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} fs_ratios[] = {
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{ 10, 128 },
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{ 15, 192 },
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{ 20, 256 },
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{ 30, 384 },
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{ 40, 512 },
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{ 60, 768 },
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{ 80, 1024 },
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{ 120, 1536 }
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};
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static const int srates[] = { 48000, 32000, 24000, 16000, 12000, 8000 };
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static const int bclk_divs[] = {
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1, 2, 4, 8, 16, 32
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};
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static int eqmode_get(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol);
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static int eqmode_put(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol);
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static const DECLARE_TLV_DB_SCALE(dac_tlv, -12700, 50, 1);
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static const DECLARE_TLV_DB_SCALE(adc_tlv, -12700, 50, 1);
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static const DECLARE_TLV_DB_SCALE(out_tlv, -5700, 100, 0);
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static const DECLARE_TLV_DB_SCALE(lim_thresh_tlv, -600, 100, 0);
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static const DECLARE_TLV_DB_SCALE(lim_boost_tlv, 0, 100, 0);
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static const DECLARE_TLV_DB_SCALE(alc_min_tlv, -1200, 600, 0);
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static const DECLARE_TLV_DB_SCALE(alc_max_tlv, -675, 600, 0);
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static const DECLARE_TLV_DB_SCALE(alc_tar_tlv, -2250, 150, 0);
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static const DECLARE_TLV_DB_SCALE(pga_vol_tlv, -1200, 75, 0);
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static const DECLARE_TLV_DB_SCALE(boost_tlv, -1200, 300, 1);
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static const DECLARE_TLV_DB_SCALE(eq_tlv, -1200, 100, 0);
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static const DECLARE_TLV_DB_SCALE(aux_tlv, -1500, 300, 0);
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static const DECLARE_TLV_DB_SCALE(bypass_tlv, -1500, 300, 0);
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static const DECLARE_TLV_DB_SCALE(pga_boost_tlv, 0, 2000, 0);
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static const char *alc_sel_text[] = { "Off", "Right", "Left", "Stereo" };
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static SOC_ENUM_SINGLE_DECL(alc_sel, WM8985_ALC_CONTROL_1, 7, alc_sel_text);
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static const char *alc_mode_text[] = { "ALC", "Limiter" };
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static SOC_ENUM_SINGLE_DECL(alc_mode, WM8985_ALC_CONTROL_3, 8, alc_mode_text);
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static const char *filter_mode_text[] = { "Audio", "Application" };
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static SOC_ENUM_SINGLE_DECL(filter_mode, WM8985_ADC_CONTROL, 7,
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filter_mode_text);
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static const char *eq_bw_text[] = { "Narrow", "Wide" };
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static const char *eqmode_text[] = { "Capture", "Playback" };
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static SOC_ENUM_SINGLE_EXT_DECL(eqmode, eqmode_text);
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static const char *eq1_cutoff_text[] = {
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"80Hz", "105Hz", "135Hz", "175Hz"
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};
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static SOC_ENUM_SINGLE_DECL(eq1_cutoff, WM8985_EQ1_LOW_SHELF, 5,
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eq1_cutoff_text);
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static const char *eq2_cutoff_text[] = {
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"230Hz", "300Hz", "385Hz", "500Hz"
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};
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static SOC_ENUM_SINGLE_DECL(eq2_bw, WM8985_EQ2_PEAK_1, 8, eq_bw_text);
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static SOC_ENUM_SINGLE_DECL(eq2_cutoff, WM8985_EQ2_PEAK_1, 5, eq2_cutoff_text);
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static const char *eq3_cutoff_text[] = {
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"650Hz", "850Hz", "1.1kHz", "1.4kHz"
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};
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static SOC_ENUM_SINGLE_DECL(eq3_bw, WM8985_EQ3_PEAK_2, 8, eq_bw_text);
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static SOC_ENUM_SINGLE_DECL(eq3_cutoff, WM8985_EQ3_PEAK_2, 5,
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eq3_cutoff_text);
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static const char *eq4_cutoff_text[] = {
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"1.8kHz", "2.4kHz", "3.2kHz", "4.1kHz"
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};
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static SOC_ENUM_SINGLE_DECL(eq4_bw, WM8985_EQ4_PEAK_3, 8, eq_bw_text);
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static SOC_ENUM_SINGLE_DECL(eq4_cutoff, WM8985_EQ4_PEAK_3, 5, eq4_cutoff_text);
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static const char *eq5_cutoff_text[] = {
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"5.3kHz", "6.9kHz", "9kHz", "11.7kHz"
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};
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static SOC_ENUM_SINGLE_DECL(eq5_cutoff, WM8985_EQ5_HIGH_SHELF, 5,
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eq5_cutoff_text);
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static const char *speaker_mode_text[] = { "Class A/B", "Class D" };
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static SOC_ENUM_SINGLE_DECL(speaker_mode, 0x17, 8, speaker_mode_text);
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static const char *depth_3d_text[] = {
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"Off",
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"6.67%",
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"13.3%",
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"20%",
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"26.7%",
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"33.3%",
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"40%",
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"46.6%",
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"53.3%",
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"60%",
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"66.7%",
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"73.3%",
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"80%",
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"86.7%",
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"93.3%",
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"100%"
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};
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static SOC_ENUM_SINGLE_DECL(depth_3d, WM8985_3D_CONTROL, 0, depth_3d_text);
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static const struct snd_kcontrol_new wm8985_common_snd_controls[] = {
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SOC_SINGLE("Digital Loopback Switch", WM8985_COMPANDING_CONTROL,
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0, 1, 0),
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SOC_ENUM("ALC Capture Function", alc_sel),
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SOC_SINGLE_TLV("ALC Capture Max Volume", WM8985_ALC_CONTROL_1,
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3, 7, 0, alc_max_tlv),
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SOC_SINGLE_TLV("ALC Capture Min Volume", WM8985_ALC_CONTROL_1,
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0, 7, 0, alc_min_tlv),
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SOC_SINGLE_TLV("ALC Capture Target Volume", WM8985_ALC_CONTROL_2,
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0, 15, 0, alc_tar_tlv),
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SOC_SINGLE("ALC Capture Attack", WM8985_ALC_CONTROL_3, 0, 10, 0),
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SOC_SINGLE("ALC Capture Hold", WM8985_ALC_CONTROL_2, 4, 10, 0),
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SOC_SINGLE("ALC Capture Decay", WM8985_ALC_CONTROL_3, 4, 10, 0),
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SOC_ENUM("ALC Mode", alc_mode),
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SOC_SINGLE("ALC Capture NG Switch", WM8985_NOISE_GATE,
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3, 1, 0),
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SOC_SINGLE("ALC Capture NG Threshold", WM8985_NOISE_GATE,
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0, 7, 1),
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SOC_DOUBLE_R_TLV("Capture Volume", WM8985_LEFT_ADC_DIGITAL_VOL,
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WM8985_RIGHT_ADC_DIGITAL_VOL, 0, 255, 0, adc_tlv),
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SOC_DOUBLE_R("Capture PGA ZC Switch", WM8985_LEFT_INP_PGA_GAIN_CTRL,
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WM8985_RIGHT_INP_PGA_GAIN_CTRL, 7, 1, 0),
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SOC_DOUBLE_R_TLV("Capture PGA Volume", WM8985_LEFT_INP_PGA_GAIN_CTRL,
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WM8985_RIGHT_INP_PGA_GAIN_CTRL, 0, 63, 0, pga_vol_tlv),
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SOC_DOUBLE_R_TLV("Capture PGA Boost Volume",
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WM8985_LEFT_ADC_BOOST_CTRL, WM8985_RIGHT_ADC_BOOST_CTRL,
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8, 1, 0, pga_boost_tlv),
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SOC_DOUBLE("ADC Inversion Switch", WM8985_ADC_CONTROL, 0, 1, 1, 0),
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SOC_SINGLE("ADC 128x Oversampling Switch", WM8985_ADC_CONTROL, 8, 1, 0),
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SOC_DOUBLE_R_TLV("Playback Volume", WM8985_LEFT_DAC_DIGITAL_VOL,
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WM8985_RIGHT_DAC_DIGITAL_VOL, 0, 255, 0, dac_tlv),
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SOC_SINGLE("DAC Playback Limiter Switch", WM8985_DAC_LIMITER_1, 8, 1, 0),
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SOC_SINGLE("DAC Playback Limiter Decay", WM8985_DAC_LIMITER_1, 4, 10, 0),
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SOC_SINGLE("DAC Playback Limiter Attack", WM8985_DAC_LIMITER_1, 0, 11, 0),
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SOC_SINGLE_TLV("DAC Playback Limiter Threshold", WM8985_DAC_LIMITER_2,
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4, 7, 1, lim_thresh_tlv),
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SOC_SINGLE_TLV("DAC Playback Limiter Boost Volume", WM8985_DAC_LIMITER_2,
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0, 12, 0, lim_boost_tlv),
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SOC_DOUBLE("DAC Inversion Switch", WM8985_DAC_CONTROL, 0, 1, 1, 0),
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SOC_SINGLE("DAC Auto Mute Switch", WM8985_DAC_CONTROL, 2, 1, 0),
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SOC_SINGLE("DAC 128x Oversampling Switch", WM8985_DAC_CONTROL, 3, 1, 0),
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SOC_DOUBLE_R_TLV("Headphone Playback Volume", WM8985_LOUT1_HP_VOLUME_CTRL,
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WM8985_ROUT1_HP_VOLUME_CTRL, 0, 63, 0, out_tlv),
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SOC_DOUBLE_R("Headphone Playback ZC Switch", WM8985_LOUT1_HP_VOLUME_CTRL,
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WM8985_ROUT1_HP_VOLUME_CTRL, 7, 1, 0),
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SOC_DOUBLE_R("Headphone Switch", WM8985_LOUT1_HP_VOLUME_CTRL,
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WM8985_ROUT1_HP_VOLUME_CTRL, 6, 1, 1),
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SOC_DOUBLE_R_TLV("Speaker Playback Volume", WM8985_LOUT2_SPK_VOLUME_CTRL,
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WM8985_ROUT2_SPK_VOLUME_CTRL, 0, 63, 0, out_tlv),
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SOC_DOUBLE_R("Speaker Playback ZC Switch", WM8985_LOUT2_SPK_VOLUME_CTRL,
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WM8985_ROUT2_SPK_VOLUME_CTRL, 7, 1, 0),
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SOC_DOUBLE_R("Speaker Switch", WM8985_LOUT2_SPK_VOLUME_CTRL,
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WM8985_ROUT2_SPK_VOLUME_CTRL, 6, 1, 1),
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SOC_SINGLE("High Pass Filter Switch", WM8985_ADC_CONTROL, 8, 1, 0),
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SOC_ENUM("High Pass Filter Mode", filter_mode),
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SOC_SINGLE("High Pass Filter Cutoff", WM8985_ADC_CONTROL, 4, 7, 0),
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SOC_DOUBLE_R_TLV("Input PGA Bypass Volume",
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WM8985_LEFT_MIXER_CTRL, WM8985_RIGHT_MIXER_CTRL, 2, 7, 0,
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bypass_tlv),
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SOC_ENUM_EXT("Equalizer Function", eqmode, eqmode_get, eqmode_put),
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SOC_ENUM("EQ1 Cutoff", eq1_cutoff),
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SOC_SINGLE_TLV("EQ1 Volume", WM8985_EQ1_LOW_SHELF, 0, 24, 1, eq_tlv),
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SOC_ENUM("EQ2 Bandwidth", eq2_bw),
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SOC_ENUM("EQ2 Cutoff", eq2_cutoff),
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SOC_SINGLE_TLV("EQ2 Volume", WM8985_EQ2_PEAK_1, 0, 24, 1, eq_tlv),
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SOC_ENUM("EQ3 Bandwidth", eq3_bw),
|
|
SOC_ENUM("EQ3 Cutoff", eq3_cutoff),
|
|
SOC_SINGLE_TLV("EQ3 Volume", WM8985_EQ3_PEAK_2, 0, 24, 1, eq_tlv),
|
|
SOC_ENUM("EQ4 Bandwidth", eq4_bw),
|
|
SOC_ENUM("EQ4 Cutoff", eq4_cutoff),
|
|
SOC_SINGLE_TLV("EQ4 Volume", WM8985_EQ4_PEAK_3, 0, 24, 1, eq_tlv),
|
|
SOC_ENUM("EQ5 Cutoff", eq5_cutoff),
|
|
SOC_SINGLE_TLV("EQ5 Volume", WM8985_EQ5_HIGH_SHELF, 0, 24, 1, eq_tlv),
|
|
|
|
SOC_ENUM("3D Depth", depth_3d),
|
|
};
|
|
|
|
static const struct snd_kcontrol_new wm8985_specific_snd_controls[] = {
|
|
SOC_DOUBLE_R_TLV("Aux Bypass Volume",
|
|
WM8985_LEFT_MIXER_CTRL, WM8985_RIGHT_MIXER_CTRL, 6, 7, 0,
|
|
aux_tlv),
|
|
|
|
SOC_ENUM("Speaker Mode", speaker_mode)
|
|
};
|
|
|
|
static const struct snd_kcontrol_new left_out_mixer[] = {
|
|
SOC_DAPM_SINGLE("Line Switch", WM8985_LEFT_MIXER_CTRL, 1, 1, 0),
|
|
SOC_DAPM_SINGLE("PCM Switch", WM8985_LEFT_MIXER_CTRL, 0, 1, 0),
|
|
|
|
/* --- WM8985 only --- */
|
|
SOC_DAPM_SINGLE("Aux Switch", WM8985_LEFT_MIXER_CTRL, 5, 1, 0),
|
|
};
|
|
|
|
static const struct snd_kcontrol_new right_out_mixer[] = {
|
|
SOC_DAPM_SINGLE("Line Switch", WM8985_RIGHT_MIXER_CTRL, 1, 1, 0),
|
|
SOC_DAPM_SINGLE("PCM Switch", WM8985_RIGHT_MIXER_CTRL, 0, 1, 0),
|
|
|
|
/* --- WM8985 only --- */
|
|
SOC_DAPM_SINGLE("Aux Switch", WM8985_RIGHT_MIXER_CTRL, 5, 1, 0),
|
|
};
|
|
|
|
static const struct snd_kcontrol_new left_input_mixer[] = {
|
|
SOC_DAPM_SINGLE("L2 Switch", WM8985_INPUT_CTRL, 2, 1, 0),
|
|
SOC_DAPM_SINGLE("MicN Switch", WM8985_INPUT_CTRL, 1, 1, 0),
|
|
SOC_DAPM_SINGLE("MicP Switch", WM8985_INPUT_CTRL, 0, 1, 0),
|
|
};
|
|
|
|
static const struct snd_kcontrol_new right_input_mixer[] = {
|
|
SOC_DAPM_SINGLE("R2 Switch", WM8985_INPUT_CTRL, 6, 1, 0),
|
|
SOC_DAPM_SINGLE("MicN Switch", WM8985_INPUT_CTRL, 5, 1, 0),
|
|
SOC_DAPM_SINGLE("MicP Switch", WM8985_INPUT_CTRL, 4, 1, 0),
|
|
};
|
|
|
|
static const struct snd_kcontrol_new left_boost_mixer[] = {
|
|
SOC_DAPM_SINGLE_TLV("L2 Volume", WM8985_LEFT_ADC_BOOST_CTRL,
|
|
4, 7, 0, boost_tlv),
|
|
|
|
/* --- WM8985 only --- */
|
|
SOC_DAPM_SINGLE_TLV("AUXL Volume", WM8985_LEFT_ADC_BOOST_CTRL,
|
|
0, 7, 0, boost_tlv)
|
|
};
|
|
|
|
static const struct snd_kcontrol_new right_boost_mixer[] = {
|
|
SOC_DAPM_SINGLE_TLV("R2 Volume", WM8985_RIGHT_ADC_BOOST_CTRL,
|
|
4, 7, 0, boost_tlv),
|
|
|
|
/* --- WM8985 only --- */
|
|
SOC_DAPM_SINGLE_TLV("AUXR Volume", WM8985_RIGHT_ADC_BOOST_CTRL,
|
|
0, 7, 0, boost_tlv)
|
|
};
|
|
|
|
static const struct snd_soc_dapm_widget wm8985_common_dapm_widgets[] = {
|
|
SND_SOC_DAPM_DAC("Left DAC", "Left Playback", WM8985_POWER_MANAGEMENT_3,
|
|
0, 0),
|
|
SND_SOC_DAPM_DAC("Right DAC", "Right Playback", WM8985_POWER_MANAGEMENT_3,
|
|
1, 0),
|
|
SND_SOC_DAPM_ADC("Left ADC", "Left Capture", WM8985_POWER_MANAGEMENT_2,
|
|
0, 0),
|
|
SND_SOC_DAPM_ADC("Right ADC", "Right Capture", WM8985_POWER_MANAGEMENT_2,
|
|
1, 0),
|
|
|
|
SND_SOC_DAPM_MIXER("Left Input Mixer", WM8985_POWER_MANAGEMENT_2,
|
|
2, 0, left_input_mixer, ARRAY_SIZE(left_input_mixer)),
|
|
SND_SOC_DAPM_MIXER("Right Input Mixer", WM8985_POWER_MANAGEMENT_2,
|
|
3, 0, right_input_mixer, ARRAY_SIZE(right_input_mixer)),
|
|
|
|
SND_SOC_DAPM_PGA("Left Capture PGA", WM8985_LEFT_INP_PGA_GAIN_CTRL,
|
|
6, 1, NULL, 0),
|
|
SND_SOC_DAPM_PGA("Right Capture PGA", WM8985_RIGHT_INP_PGA_GAIN_CTRL,
|
|
6, 1, NULL, 0),
|
|
|
|
SND_SOC_DAPM_PGA("Left Headphone Out", WM8985_POWER_MANAGEMENT_2,
|
|
7, 0, NULL, 0),
|
|
SND_SOC_DAPM_PGA("Right Headphone Out", WM8985_POWER_MANAGEMENT_2,
|
|
8, 0, NULL, 0),
|
|
|
|
SND_SOC_DAPM_PGA("Left Speaker Out", WM8985_POWER_MANAGEMENT_3,
|
|
5, 0, NULL, 0),
|
|
SND_SOC_DAPM_PGA("Right Speaker Out", WM8985_POWER_MANAGEMENT_3,
|
|
6, 0, NULL, 0),
|
|
|
|
SND_SOC_DAPM_SUPPLY("Mic Bias", WM8985_POWER_MANAGEMENT_1, 4, 0,
|
|
NULL, 0),
|
|
|
|
SND_SOC_DAPM_INPUT("LIN"),
|
|
SND_SOC_DAPM_INPUT("LIP"),
|
|
SND_SOC_DAPM_INPUT("RIN"),
|
|
SND_SOC_DAPM_INPUT("RIP"),
|
|
SND_SOC_DAPM_INPUT("L2"),
|
|
SND_SOC_DAPM_INPUT("R2"),
|
|
SND_SOC_DAPM_OUTPUT("HPL"),
|
|
SND_SOC_DAPM_OUTPUT("HPR"),
|
|
SND_SOC_DAPM_OUTPUT("SPKL"),
|
|
SND_SOC_DAPM_OUTPUT("SPKR")
|
|
};
|
|
|
|
static const struct snd_soc_dapm_widget wm8985_dapm_widgets[] = {
|
|
SND_SOC_DAPM_MIXER("Left Output Mixer", WM8985_POWER_MANAGEMENT_3,
|
|
2, 0, left_out_mixer, ARRAY_SIZE(left_out_mixer)),
|
|
SND_SOC_DAPM_MIXER("Right Output Mixer", WM8985_POWER_MANAGEMENT_3,
|
|
3, 0, right_out_mixer, ARRAY_SIZE(right_out_mixer)),
|
|
|
|
SND_SOC_DAPM_MIXER("Left Boost Mixer", WM8985_POWER_MANAGEMENT_2,
|
|
4, 0, left_boost_mixer, ARRAY_SIZE(left_boost_mixer)),
|
|
SND_SOC_DAPM_MIXER("Right Boost Mixer", WM8985_POWER_MANAGEMENT_2,
|
|
5, 0, right_boost_mixer, ARRAY_SIZE(right_boost_mixer)),
|
|
|
|
SND_SOC_DAPM_INPUT("AUXL"),
|
|
SND_SOC_DAPM_INPUT("AUXR"),
|
|
};
|
|
|
|
static const struct snd_soc_dapm_widget wm8758_dapm_widgets[] = {
|
|
SND_SOC_DAPM_MIXER("Left Output Mixer", WM8985_POWER_MANAGEMENT_3,
|
|
2, 0, left_out_mixer,
|
|
ARRAY_SIZE(left_out_mixer) - 1),
|
|
SND_SOC_DAPM_MIXER("Right Output Mixer", WM8985_POWER_MANAGEMENT_3,
|
|
3, 0, right_out_mixer,
|
|
ARRAY_SIZE(right_out_mixer) - 1),
|
|
|
|
SND_SOC_DAPM_MIXER("Left Boost Mixer", WM8985_POWER_MANAGEMENT_2,
|
|
4, 0, left_boost_mixer,
|
|
ARRAY_SIZE(left_boost_mixer) - 1),
|
|
SND_SOC_DAPM_MIXER("Right Boost Mixer", WM8985_POWER_MANAGEMENT_2,
|
|
5, 0, right_boost_mixer,
|
|
ARRAY_SIZE(right_boost_mixer) - 1),
|
|
};
|
|
|
|
static const struct snd_soc_dapm_route wm8985_common_dapm_routes[] = {
|
|
{ "Right Output Mixer", "PCM Switch", "Right DAC" },
|
|
{ "Right Output Mixer", "Line Switch", "Right Boost Mixer" },
|
|
|
|
{ "Left Output Mixer", "PCM Switch", "Left DAC" },
|
|
{ "Left Output Mixer", "Line Switch", "Left Boost Mixer" },
|
|
|
|
{ "Right Headphone Out", NULL, "Right Output Mixer" },
|
|
{ "HPR", NULL, "Right Headphone Out" },
|
|
|
|
{ "Left Headphone Out", NULL, "Left Output Mixer" },
|
|
{ "HPL", NULL, "Left Headphone Out" },
|
|
|
|
{ "Right Speaker Out", NULL, "Right Output Mixer" },
|
|
{ "SPKR", NULL, "Right Speaker Out" },
|
|
|
|
{ "Left Speaker Out", NULL, "Left Output Mixer" },
|
|
{ "SPKL", NULL, "Left Speaker Out" },
|
|
|
|
{ "Right ADC", NULL, "Right Boost Mixer" },
|
|
|
|
{ "Right Boost Mixer", NULL, "Right Capture PGA" },
|
|
{ "Right Boost Mixer", "R2 Volume", "R2" },
|
|
|
|
{ "Left ADC", NULL, "Left Boost Mixer" },
|
|
|
|
{ "Left Boost Mixer", NULL, "Left Capture PGA" },
|
|
{ "Left Boost Mixer", "L2 Volume", "L2" },
|
|
|
|
{ "Right Capture PGA", NULL, "Right Input Mixer" },
|
|
{ "Left Capture PGA", NULL, "Left Input Mixer" },
|
|
|
|
{ "Right Input Mixer", "R2 Switch", "R2" },
|
|
{ "Right Input Mixer", "MicN Switch", "RIN" },
|
|
{ "Right Input Mixer", "MicP Switch", "RIP" },
|
|
|
|
{ "Left Input Mixer", "L2 Switch", "L2" },
|
|
{ "Left Input Mixer", "MicN Switch", "LIN" },
|
|
{ "Left Input Mixer", "MicP Switch", "LIP" },
|
|
};
|
|
static const struct snd_soc_dapm_route wm8985_aux_dapm_routes[] = {
|
|
{ "Right Output Mixer", "Aux Switch", "AUXR" },
|
|
{ "Left Output Mixer", "Aux Switch", "AUXL" },
|
|
|
|
{ "Right Boost Mixer", "AUXR Volume", "AUXR" },
|
|
{ "Left Boost Mixer", "AUXL Volume", "AUXL" },
|
|
};
|
|
|
|
static int wm8985_add_widgets(struct snd_soc_codec *codec)
|
|
{
|
|
struct wm8985_priv *wm8985 = snd_soc_codec_get_drvdata(codec);
|
|
struct snd_soc_dapm_context *dapm = snd_soc_codec_get_dapm(codec);
|
|
|
|
switch (wm8985->dev_type) {
|
|
case WM8758:
|
|
snd_soc_dapm_new_controls(dapm, wm8758_dapm_widgets,
|
|
ARRAY_SIZE(wm8758_dapm_widgets));
|
|
break;
|
|
|
|
case WM8985:
|
|
snd_soc_add_codec_controls(codec, wm8985_specific_snd_controls,
|
|
ARRAY_SIZE(wm8985_specific_snd_controls));
|
|
|
|
snd_soc_dapm_new_controls(dapm, wm8985_dapm_widgets,
|
|
ARRAY_SIZE(wm8985_dapm_widgets));
|
|
snd_soc_dapm_add_routes(dapm, wm8985_aux_dapm_routes,
|
|
ARRAY_SIZE(wm8985_aux_dapm_routes));
|
|
break;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int eqmode_get(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
{
|
|
struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
|
|
unsigned int reg;
|
|
|
|
reg = snd_soc_read(codec, WM8985_EQ1_LOW_SHELF);
|
|
if (reg & WM8985_EQ3DMODE)
|
|
ucontrol->value.enumerated.item[0] = 1;
|
|
else
|
|
ucontrol->value.enumerated.item[0] = 0;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int eqmode_put(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
{
|
|
struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
|
|
unsigned int regpwr2, regpwr3;
|
|
unsigned int reg_eq;
|
|
|
|
if (ucontrol->value.enumerated.item[0] != 0
|
|
&& ucontrol->value.enumerated.item[0] != 1)
|
|
return -EINVAL;
|
|
|
|
reg_eq = snd_soc_read(codec, WM8985_EQ1_LOW_SHELF);
|
|
switch ((reg_eq & WM8985_EQ3DMODE) >> WM8985_EQ3DMODE_SHIFT) {
|
|
case 0:
|
|
if (!ucontrol->value.enumerated.item[0])
|
|
return 0;
|
|
break;
|
|
case 1:
|
|
if (ucontrol->value.enumerated.item[0])
|
|
return 0;
|
|
break;
|
|
}
|
|
|
|
regpwr2 = snd_soc_read(codec, WM8985_POWER_MANAGEMENT_2);
|
|
regpwr3 = snd_soc_read(codec, WM8985_POWER_MANAGEMENT_3);
|
|
/* disable the DACs and ADCs */
|
|
snd_soc_update_bits(codec, WM8985_POWER_MANAGEMENT_2,
|
|
WM8985_ADCENR_MASK | WM8985_ADCENL_MASK, 0);
|
|
snd_soc_update_bits(codec, WM8985_POWER_MANAGEMENT_3,
|
|
WM8985_DACENR_MASK | WM8985_DACENL_MASK, 0);
|
|
snd_soc_update_bits(codec, WM8985_ADDITIONAL_CONTROL,
|
|
WM8985_M128ENB_MASK, WM8985_M128ENB);
|
|
/* set the desired eqmode */
|
|
snd_soc_update_bits(codec, WM8985_EQ1_LOW_SHELF,
|
|
WM8985_EQ3DMODE_MASK,
|
|
ucontrol->value.enumerated.item[0]
|
|
<< WM8985_EQ3DMODE_SHIFT);
|
|
/* restore DAC/ADC configuration */
|
|
snd_soc_write(codec, WM8985_POWER_MANAGEMENT_2, regpwr2);
|
|
snd_soc_write(codec, WM8985_POWER_MANAGEMENT_3, regpwr3);
|
|
return 0;
|
|
}
|
|
|
|
static int wm8985_reset(struct snd_soc_codec *codec)
|
|
{
|
|
return snd_soc_write(codec, WM8985_SOFTWARE_RESET, 0x0);
|
|
}
|
|
|
|
static int wm8985_dac_mute(struct snd_soc_dai *dai, int mute)
|
|
{
|
|
struct snd_soc_codec *codec = dai->codec;
|
|
|
|
return snd_soc_update_bits(codec, WM8985_DAC_CONTROL,
|
|
WM8985_SOFTMUTE_MASK,
|
|
!!mute << WM8985_SOFTMUTE_SHIFT);
|
|
}
|
|
|
|
static int wm8985_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
|
|
{
|
|
struct snd_soc_codec *codec;
|
|
u16 format, master, bcp, lrp;
|
|
|
|
codec = dai->codec;
|
|
|
|
switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
|
|
case SND_SOC_DAIFMT_I2S:
|
|
format = 0x2;
|
|
break;
|
|
case SND_SOC_DAIFMT_RIGHT_J:
|
|
format = 0x0;
|
|
break;
|
|
case SND_SOC_DAIFMT_LEFT_J:
|
|
format = 0x1;
|
|
break;
|
|
case SND_SOC_DAIFMT_DSP_A:
|
|
case SND_SOC_DAIFMT_DSP_B:
|
|
format = 0x3;
|
|
break;
|
|
default:
|
|
dev_err(dai->dev, "Unknown dai format\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
snd_soc_update_bits(codec, WM8985_AUDIO_INTERFACE,
|
|
WM8985_FMT_MASK, format << WM8985_FMT_SHIFT);
|
|
|
|
switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
|
|
case SND_SOC_DAIFMT_CBM_CFM:
|
|
master = 1;
|
|
break;
|
|
case SND_SOC_DAIFMT_CBS_CFS:
|
|
master = 0;
|
|
break;
|
|
default:
|
|
dev_err(dai->dev, "Unknown master/slave configuration\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
snd_soc_update_bits(codec, WM8985_CLOCK_GEN_CONTROL,
|
|
WM8985_MS_MASK, master << WM8985_MS_SHIFT);
|
|
|
|
/* frame inversion is not valid for dsp modes */
|
|
switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
|
|
case SND_SOC_DAIFMT_DSP_A:
|
|
case SND_SOC_DAIFMT_DSP_B:
|
|
switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
|
|
case SND_SOC_DAIFMT_IB_IF:
|
|
case SND_SOC_DAIFMT_NB_IF:
|
|
return -EINVAL;
|
|
default:
|
|
break;
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
bcp = lrp = 0;
|
|
switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
|
|
case SND_SOC_DAIFMT_NB_NF:
|
|
break;
|
|
case SND_SOC_DAIFMT_IB_IF:
|
|
bcp = lrp = 1;
|
|
break;
|
|
case SND_SOC_DAIFMT_IB_NF:
|
|
bcp = 1;
|
|
break;
|
|
case SND_SOC_DAIFMT_NB_IF:
|
|
lrp = 1;
|
|
break;
|
|
default:
|
|
dev_err(dai->dev, "Unknown polarity configuration\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
snd_soc_update_bits(codec, WM8985_AUDIO_INTERFACE,
|
|
WM8985_LRP_MASK, lrp << WM8985_LRP_SHIFT);
|
|
snd_soc_update_bits(codec, WM8985_AUDIO_INTERFACE,
|
|
WM8985_BCP_MASK, bcp << WM8985_BCP_SHIFT);
|
|
return 0;
|
|
}
|
|
|
|
static int wm8985_hw_params(struct snd_pcm_substream *substream,
|
|
struct snd_pcm_hw_params *params,
|
|
struct snd_soc_dai *dai)
|
|
{
|
|
int i;
|
|
struct snd_soc_codec *codec;
|
|
struct wm8985_priv *wm8985;
|
|
u16 blen, srate_idx;
|
|
unsigned int tmp;
|
|
int srate_best;
|
|
|
|
codec = dai->codec;
|
|
wm8985 = snd_soc_codec_get_drvdata(codec);
|
|
|
|
wm8985->bclk = snd_soc_params_to_bclk(params);
|
|
if ((int)wm8985->bclk < 0)
|
|
return wm8985->bclk;
|
|
|
|
switch (params_width(params)) {
|
|
case 16:
|
|
blen = 0x0;
|
|
break;
|
|
case 20:
|
|
blen = 0x1;
|
|
break;
|
|
case 24:
|
|
blen = 0x2;
|
|
break;
|
|
case 32:
|
|
blen = 0x3;
|
|
break;
|
|
default:
|
|
dev_err(dai->dev, "Unsupported word length %u\n",
|
|
params_width(params));
|
|
return -EINVAL;
|
|
}
|
|
|
|
snd_soc_update_bits(codec, WM8985_AUDIO_INTERFACE,
|
|
WM8985_WL_MASK, blen << WM8985_WL_SHIFT);
|
|
|
|
/*
|
|
* match to the nearest possible sample rate and rely
|
|
* on the array index to configure the SR register
|
|
*/
|
|
srate_idx = 0;
|
|
srate_best = abs(srates[0] - params_rate(params));
|
|
for (i = 1; i < ARRAY_SIZE(srates); ++i) {
|
|
if (abs(srates[i] - params_rate(params)) >= srate_best)
|
|
continue;
|
|
srate_idx = i;
|
|
srate_best = abs(srates[i] - params_rate(params));
|
|
}
|
|
|
|
dev_dbg(dai->dev, "Selected SRATE = %d\n", srates[srate_idx]);
|
|
snd_soc_update_bits(codec, WM8985_ADDITIONAL_CONTROL,
|
|
WM8985_SR_MASK, srate_idx << WM8985_SR_SHIFT);
|
|
|
|
dev_dbg(dai->dev, "Target BCLK = %uHz\n", wm8985->bclk);
|
|
dev_dbg(dai->dev, "SYSCLK = %uHz\n", wm8985->sysclk);
|
|
|
|
for (i = 0; i < ARRAY_SIZE(fs_ratios); ++i) {
|
|
if (wm8985->sysclk / params_rate(params)
|
|
== fs_ratios[i].ratio)
|
|
break;
|
|
}
|
|
|
|
if (i == ARRAY_SIZE(fs_ratios)) {
|
|
dev_err(dai->dev, "Unable to configure MCLK ratio %u/%u\n",
|
|
wm8985->sysclk, params_rate(params));
|
|
return -EINVAL;
|
|
}
|
|
|
|
dev_dbg(dai->dev, "MCLK ratio = %dfs\n", fs_ratios[i].ratio);
|
|
snd_soc_update_bits(codec, WM8985_CLOCK_GEN_CONTROL,
|
|
WM8985_MCLKDIV_MASK, i << WM8985_MCLKDIV_SHIFT);
|
|
|
|
/* select the appropriate bclk divider */
|
|
tmp = (wm8985->sysclk / fs_ratios[i].div) * 10;
|
|
for (i = 0; i < ARRAY_SIZE(bclk_divs); ++i) {
|
|
if (wm8985->bclk == tmp / bclk_divs[i])
|
|
break;
|
|
}
|
|
|
|
if (i == ARRAY_SIZE(bclk_divs)) {
|
|
dev_err(dai->dev, "No matching BCLK divider found\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
dev_dbg(dai->dev, "BCLK div = %d\n", i);
|
|
snd_soc_update_bits(codec, WM8985_CLOCK_GEN_CONTROL,
|
|
WM8985_BCLKDIV_MASK, i << WM8985_BCLKDIV_SHIFT);
|
|
return 0;
|
|
}
|
|
|
|
struct pll_div {
|
|
u32 div2:1;
|
|
u32 n:4;
|
|
u32 k:24;
|
|
};
|
|
|
|
#define FIXED_PLL_SIZE ((1ULL << 24) * 10)
|
|
static int pll_factors(struct pll_div *pll_div, unsigned int target,
|
|
unsigned int source)
|
|
{
|
|
u64 Kpart;
|
|
unsigned long int K, Ndiv, Nmod;
|
|
|
|
pll_div->div2 = 0;
|
|
Ndiv = target / source;
|
|
if (Ndiv < 6) {
|
|
source >>= 1;
|
|
pll_div->div2 = 1;
|
|
Ndiv = target / source;
|
|
}
|
|
|
|
if (Ndiv < 6 || Ndiv > 12) {
|
|
printk(KERN_ERR "%s: WM8985 N value is not within"
|
|
" the recommended range: %lu\n", __func__, Ndiv);
|
|
return -EINVAL;
|
|
}
|
|
pll_div->n = Ndiv;
|
|
|
|
Nmod = target % source;
|
|
Kpart = FIXED_PLL_SIZE * (u64)Nmod;
|
|
|
|
do_div(Kpart, source);
|
|
|
|
K = Kpart & 0xffffffff;
|
|
if ((K % 10) >= 5)
|
|
K += 5;
|
|
K /= 10;
|
|
pll_div->k = K;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int wm8985_set_pll(struct snd_soc_dai *dai, int pll_id,
|
|
int source, unsigned int freq_in,
|
|
unsigned int freq_out)
|
|
{
|
|
int ret;
|
|
struct snd_soc_codec *codec;
|
|
struct pll_div pll_div;
|
|
|
|
codec = dai->codec;
|
|
if (!freq_in || !freq_out) {
|
|
/* disable the PLL */
|
|
snd_soc_update_bits(codec, WM8985_POWER_MANAGEMENT_1,
|
|
WM8985_PLLEN_MASK, 0);
|
|
} else {
|
|
ret = pll_factors(&pll_div, freq_out * 4 * 2, freq_in);
|
|
if (ret)
|
|
return ret;
|
|
|
|
/* set PLLN and PRESCALE */
|
|
snd_soc_write(codec, WM8985_PLL_N,
|
|
(pll_div.div2 << WM8985_PLL_PRESCALE_SHIFT)
|
|
| pll_div.n);
|
|
/* set PLLK */
|
|
snd_soc_write(codec, WM8985_PLL_K_3, pll_div.k & 0x1ff);
|
|
snd_soc_write(codec, WM8985_PLL_K_2, (pll_div.k >> 9) & 0x1ff);
|
|
snd_soc_write(codec, WM8985_PLL_K_1, (pll_div.k >> 18));
|
|
/* set the source of the clock to be the PLL */
|
|
snd_soc_update_bits(codec, WM8985_CLOCK_GEN_CONTROL,
|
|
WM8985_CLKSEL_MASK, WM8985_CLKSEL);
|
|
/* enable the PLL */
|
|
snd_soc_update_bits(codec, WM8985_POWER_MANAGEMENT_1,
|
|
WM8985_PLLEN_MASK, WM8985_PLLEN);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int wm8985_set_sysclk(struct snd_soc_dai *dai,
|
|
int clk_id, unsigned int freq, int dir)
|
|
{
|
|
struct snd_soc_codec *codec;
|
|
struct wm8985_priv *wm8985;
|
|
|
|
codec = dai->codec;
|
|
wm8985 = snd_soc_codec_get_drvdata(codec);
|
|
|
|
switch (clk_id) {
|
|
case WM8985_CLKSRC_MCLK:
|
|
snd_soc_update_bits(codec, WM8985_CLOCK_GEN_CONTROL,
|
|
WM8985_CLKSEL_MASK, 0);
|
|
snd_soc_update_bits(codec, WM8985_POWER_MANAGEMENT_1,
|
|
WM8985_PLLEN_MASK, 0);
|
|
break;
|
|
case WM8985_CLKSRC_PLL:
|
|
snd_soc_update_bits(codec, WM8985_CLOCK_GEN_CONTROL,
|
|
WM8985_CLKSEL_MASK, WM8985_CLKSEL);
|
|
break;
|
|
default:
|
|
dev_err(dai->dev, "Unknown clock source %d\n", clk_id);
|
|
return -EINVAL;
|
|
}
|
|
|
|
wm8985->sysclk = freq;
|
|
return 0;
|
|
}
|
|
|
|
static int wm8985_set_bias_level(struct snd_soc_codec *codec,
|
|
enum snd_soc_bias_level level)
|
|
{
|
|
int ret;
|
|
struct wm8985_priv *wm8985;
|
|
|
|
wm8985 = snd_soc_codec_get_drvdata(codec);
|
|
switch (level) {
|
|
case SND_SOC_BIAS_ON:
|
|
case SND_SOC_BIAS_PREPARE:
|
|
/* VMID at 75k */
|
|
snd_soc_update_bits(codec, WM8985_POWER_MANAGEMENT_1,
|
|
WM8985_VMIDSEL_MASK,
|
|
1 << WM8985_VMIDSEL_SHIFT);
|
|
break;
|
|
case SND_SOC_BIAS_STANDBY:
|
|
if (snd_soc_codec_get_bias_level(codec) == SND_SOC_BIAS_OFF) {
|
|
ret = regulator_bulk_enable(ARRAY_SIZE(wm8985->supplies),
|
|
wm8985->supplies);
|
|
if (ret) {
|
|
dev_err(codec->dev,
|
|
"Failed to enable supplies: %d\n",
|
|
ret);
|
|
return ret;
|
|
}
|
|
|
|
regcache_sync(wm8985->regmap);
|
|
|
|
/* enable anti-pop features */
|
|
snd_soc_update_bits(codec, WM8985_OUT4_TO_ADC,
|
|
WM8985_POBCTRL_MASK,
|
|
WM8985_POBCTRL);
|
|
/* enable thermal shutdown */
|
|
snd_soc_update_bits(codec, WM8985_OUTPUT_CTRL0,
|
|
WM8985_TSDEN_MASK, WM8985_TSDEN);
|
|
snd_soc_update_bits(codec, WM8985_OUTPUT_CTRL0,
|
|
WM8985_TSOPCTRL_MASK,
|
|
WM8985_TSOPCTRL);
|
|
/* enable BIASEN */
|
|
snd_soc_update_bits(codec, WM8985_POWER_MANAGEMENT_1,
|
|
WM8985_BIASEN_MASK, WM8985_BIASEN);
|
|
/* VMID at 75k */
|
|
snd_soc_update_bits(codec, WM8985_POWER_MANAGEMENT_1,
|
|
WM8985_VMIDSEL_MASK,
|
|
1 << WM8985_VMIDSEL_SHIFT);
|
|
msleep(500);
|
|
/* disable anti-pop features */
|
|
snd_soc_update_bits(codec, WM8985_OUT4_TO_ADC,
|
|
WM8985_POBCTRL_MASK, 0);
|
|
}
|
|
/* VMID at 300k */
|
|
snd_soc_update_bits(codec, WM8985_POWER_MANAGEMENT_1,
|
|
WM8985_VMIDSEL_MASK,
|
|
2 << WM8985_VMIDSEL_SHIFT);
|
|
break;
|
|
case SND_SOC_BIAS_OFF:
|
|
/* disable thermal shutdown */
|
|
snd_soc_update_bits(codec, WM8985_OUTPUT_CTRL0,
|
|
WM8985_TSOPCTRL_MASK, 0);
|
|
snd_soc_update_bits(codec, WM8985_OUTPUT_CTRL0,
|
|
WM8985_TSDEN_MASK, 0);
|
|
/* disable VMIDSEL and BIASEN */
|
|
snd_soc_update_bits(codec, WM8985_POWER_MANAGEMENT_1,
|
|
WM8985_VMIDSEL_MASK | WM8985_BIASEN_MASK,
|
|
0);
|
|
snd_soc_write(codec, WM8985_POWER_MANAGEMENT_1, 0);
|
|
snd_soc_write(codec, WM8985_POWER_MANAGEMENT_2, 0);
|
|
snd_soc_write(codec, WM8985_POWER_MANAGEMENT_3, 0);
|
|
|
|
regcache_mark_dirty(wm8985->regmap);
|
|
|
|
regulator_bulk_disable(ARRAY_SIZE(wm8985->supplies),
|
|
wm8985->supplies);
|
|
break;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int wm8985_probe(struct snd_soc_codec *codec)
|
|
{
|
|
size_t i;
|
|
struct wm8985_priv *wm8985;
|
|
int ret;
|
|
|
|
wm8985 = snd_soc_codec_get_drvdata(codec);
|
|
|
|
for (i = 0; i < ARRAY_SIZE(wm8985->supplies); i++)
|
|
wm8985->supplies[i].supply = wm8985_supply_names[i];
|
|
|
|
ret = devm_regulator_bulk_get(codec->dev, ARRAY_SIZE(wm8985->supplies),
|
|
wm8985->supplies);
|
|
if (ret) {
|
|
dev_err(codec->dev, "Failed to request supplies: %d\n", ret);
|
|
return ret;
|
|
}
|
|
|
|
ret = regulator_bulk_enable(ARRAY_SIZE(wm8985->supplies),
|
|
wm8985->supplies);
|
|
if (ret) {
|
|
dev_err(codec->dev, "Failed to enable supplies: %d\n", ret);
|
|
return ret;
|
|
}
|
|
|
|
ret = wm8985_reset(codec);
|
|
if (ret < 0) {
|
|
dev_err(codec->dev, "Failed to issue reset: %d\n", ret);
|
|
goto err_reg_enable;
|
|
}
|
|
|
|
/* latch volume update bits */
|
|
for (i = 0; i < ARRAY_SIZE(volume_update_regs); ++i)
|
|
snd_soc_update_bits(codec, volume_update_regs[i],
|
|
0x100, 0x100);
|
|
/* enable BIASCUT */
|
|
snd_soc_update_bits(codec, WM8985_BIAS_CTRL, WM8985_BIASCUT,
|
|
WM8985_BIASCUT);
|
|
|
|
wm8985_add_widgets(codec);
|
|
|
|
return 0;
|
|
|
|
err_reg_enable:
|
|
regulator_bulk_disable(ARRAY_SIZE(wm8985->supplies), wm8985->supplies);
|
|
return ret;
|
|
}
|
|
|
|
static const struct snd_soc_dai_ops wm8985_dai_ops = {
|
|
.digital_mute = wm8985_dac_mute,
|
|
.hw_params = wm8985_hw_params,
|
|
.set_fmt = wm8985_set_fmt,
|
|
.set_sysclk = wm8985_set_sysclk,
|
|
.set_pll = wm8985_set_pll
|
|
};
|
|
|
|
#define WM8985_FORMATS (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_driver wm8985_dai = {
|
|
.name = "wm8985-hifi",
|
|
.playback = {
|
|
.stream_name = "Playback",
|
|
.channels_min = 2,
|
|
.channels_max = 2,
|
|
.rates = SNDRV_PCM_RATE_8000_48000,
|
|
.formats = WM8985_FORMATS,
|
|
},
|
|
.capture = {
|
|
.stream_name = "Capture",
|
|
.channels_min = 2,
|
|
.channels_max = 2,
|
|
.rates = SNDRV_PCM_RATE_8000_48000,
|
|
.formats = WM8985_FORMATS,
|
|
},
|
|
.ops = &wm8985_dai_ops,
|
|
.symmetric_rates = 1
|
|
};
|
|
|
|
static const struct snd_soc_codec_driver soc_codec_dev_wm8985 = {
|
|
.probe = wm8985_probe,
|
|
.set_bias_level = wm8985_set_bias_level,
|
|
.suspend_bias_off = true,
|
|
|
|
.component_driver = {
|
|
.controls = wm8985_common_snd_controls,
|
|
.num_controls = ARRAY_SIZE(wm8985_common_snd_controls),
|
|
.dapm_widgets = wm8985_common_dapm_widgets,
|
|
.num_dapm_widgets = ARRAY_SIZE(wm8985_common_dapm_widgets),
|
|
.dapm_routes = wm8985_common_dapm_routes,
|
|
.num_dapm_routes = ARRAY_SIZE(wm8985_common_dapm_routes),
|
|
},
|
|
};
|
|
|
|
static const struct regmap_config wm8985_regmap = {
|
|
.reg_bits = 7,
|
|
.val_bits = 9,
|
|
|
|
.max_register = WM8985_MAX_REGISTER,
|
|
.writeable_reg = wm8985_writeable,
|
|
|
|
.cache_type = REGCACHE_RBTREE,
|
|
.reg_defaults = wm8985_reg_defaults,
|
|
.num_reg_defaults = ARRAY_SIZE(wm8985_reg_defaults),
|
|
};
|
|
|
|
#if defined(CONFIG_SPI_MASTER)
|
|
static int wm8985_spi_probe(struct spi_device *spi)
|
|
{
|
|
struct wm8985_priv *wm8985;
|
|
int ret;
|
|
|
|
wm8985 = devm_kzalloc(&spi->dev, sizeof *wm8985, GFP_KERNEL);
|
|
if (!wm8985)
|
|
return -ENOMEM;
|
|
|
|
spi_set_drvdata(spi, wm8985);
|
|
|
|
wm8985->dev_type = WM8985;
|
|
|
|
wm8985->regmap = devm_regmap_init_spi(spi, &wm8985_regmap);
|
|
if (IS_ERR(wm8985->regmap)) {
|
|
ret = PTR_ERR(wm8985->regmap);
|
|
dev_err(&spi->dev, "Failed to allocate register map: %d\n",
|
|
ret);
|
|
return ret;
|
|
}
|
|
|
|
ret = snd_soc_register_codec(&spi->dev,
|
|
&soc_codec_dev_wm8985, &wm8985_dai, 1);
|
|
return ret;
|
|
}
|
|
|
|
static int wm8985_spi_remove(struct spi_device *spi)
|
|
{
|
|
snd_soc_unregister_codec(&spi->dev);
|
|
return 0;
|
|
}
|
|
|
|
static struct spi_driver wm8985_spi_driver = {
|
|
.driver = {
|
|
.name = "wm8985",
|
|
},
|
|
.probe = wm8985_spi_probe,
|
|
.remove = wm8985_spi_remove
|
|
};
|
|
#endif
|
|
|
|
#if IS_ENABLED(CONFIG_I2C)
|
|
static int wm8985_i2c_probe(struct i2c_client *i2c,
|
|
const struct i2c_device_id *id)
|
|
{
|
|
struct wm8985_priv *wm8985;
|
|
int ret;
|
|
|
|
wm8985 = devm_kzalloc(&i2c->dev, sizeof *wm8985, GFP_KERNEL);
|
|
if (!wm8985)
|
|
return -ENOMEM;
|
|
|
|
i2c_set_clientdata(i2c, wm8985);
|
|
|
|
wm8985->dev_type = id->driver_data;
|
|
|
|
wm8985->regmap = devm_regmap_init_i2c(i2c, &wm8985_regmap);
|
|
if (IS_ERR(wm8985->regmap)) {
|
|
ret = PTR_ERR(wm8985->regmap);
|
|
dev_err(&i2c->dev, "Failed to allocate register map: %d\n",
|
|
ret);
|
|
return ret;
|
|
}
|
|
|
|
ret = snd_soc_register_codec(&i2c->dev,
|
|
&soc_codec_dev_wm8985, &wm8985_dai, 1);
|
|
return ret;
|
|
}
|
|
|
|
static int wm8985_i2c_remove(struct i2c_client *i2c)
|
|
{
|
|
snd_soc_unregister_codec(&i2c->dev);
|
|
return 0;
|
|
}
|
|
|
|
static const struct i2c_device_id wm8985_i2c_id[] = {
|
|
{ "wm8985", WM8985 },
|
|
{ "wm8758", WM8758 },
|
|
{ }
|
|
};
|
|
MODULE_DEVICE_TABLE(i2c, wm8985_i2c_id);
|
|
|
|
static struct i2c_driver wm8985_i2c_driver = {
|
|
.driver = {
|
|
.name = "wm8985",
|
|
},
|
|
.probe = wm8985_i2c_probe,
|
|
.remove = wm8985_i2c_remove,
|
|
.id_table = wm8985_i2c_id
|
|
};
|
|
#endif
|
|
|
|
static int __init wm8985_modinit(void)
|
|
{
|
|
int ret = 0;
|
|
|
|
#if IS_ENABLED(CONFIG_I2C)
|
|
ret = i2c_add_driver(&wm8985_i2c_driver);
|
|
if (ret) {
|
|
printk(KERN_ERR "Failed to register wm8985 I2C driver: %d\n",
|
|
ret);
|
|
}
|
|
#endif
|
|
#if defined(CONFIG_SPI_MASTER)
|
|
ret = spi_register_driver(&wm8985_spi_driver);
|
|
if (ret != 0) {
|
|
printk(KERN_ERR "Failed to register wm8985 SPI driver: %d\n",
|
|
ret);
|
|
}
|
|
#endif
|
|
return ret;
|
|
}
|
|
module_init(wm8985_modinit);
|
|
|
|
static void __exit wm8985_exit(void)
|
|
{
|
|
#if IS_ENABLED(CONFIG_I2C)
|
|
i2c_del_driver(&wm8985_i2c_driver);
|
|
#endif
|
|
#if defined(CONFIG_SPI_MASTER)
|
|
spi_unregister_driver(&wm8985_spi_driver);
|
|
#endif
|
|
}
|
|
module_exit(wm8985_exit);
|
|
|
|
MODULE_DESCRIPTION("ASoC WM8985 / WM8758 driver");
|
|
MODULE_AUTHOR("Dimitris Papastamos <dp@opensource.wolfsonmicro.com>");
|
|
MODULE_LICENSE("GPL");
|