From ace9429bb58fd418f0c81d4c2835699bddf6bde6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Thu, 11 Apr 2024 10:27:49 +0200 Subject: Adding upstream version 6.6.15. Signed-off-by: Daniel Baumann --- sound/soc/codecs/wm8993.c | 1753 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 1753 insertions(+) create mode 100644 sound/soc/codecs/wm8993.c (limited to 'sound/soc/codecs/wm8993.c') diff --git a/sound/soc/codecs/wm8993.c b/sound/soc/codecs/wm8993.c new file mode 100644 index 000000000..5b788f35e --- /dev/null +++ b/sound/soc/codecs/wm8993.c @@ -0,0 +1,1753 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * wm8993.c -- WM8993 ALSA SoC audio driver + * + * Copyright 2009-12 Wolfson Microelectronics plc + * + * Author: Mark Brown + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "wm8993.h" +#include "wm_hubs.h" + +#define WM8993_NUM_SUPPLIES 6 +static const char *wm8993_supply_names[WM8993_NUM_SUPPLIES] = { + "DCVDD", + "DBVDD", + "AVDD1", + "AVDD2", + "CPVDD", + "SPKVDD", +}; + +static const struct reg_default wm8993_reg_defaults[] = { + { 1, 0x0000 }, /* R1 - Power Management (1) */ + { 2, 0x6000 }, /* R2 - Power Management (2) */ + { 3, 0x0000 }, /* R3 - Power Management (3) */ + { 4, 0x4050 }, /* R4 - Audio Interface (1) */ + { 5, 0x4000 }, /* R5 - Audio Interface (2) */ + { 6, 0x01C8 }, /* R6 - Clocking 1 */ + { 7, 0x0000 }, /* R7 - Clocking 2 */ + { 8, 0x0000 }, /* R8 - Audio Interface (3) */ + { 9, 0x0040 }, /* R9 - Audio Interface (4) */ + { 10, 0x0004 }, /* R10 - DAC CTRL */ + { 11, 0x00C0 }, /* R11 - Left DAC Digital Volume */ + { 12, 0x00C0 }, /* R12 - Right DAC Digital Volume */ + { 13, 0x0000 }, /* R13 - Digital Side Tone */ + { 14, 0x0300 }, /* R14 - ADC CTRL */ + { 15, 0x00C0 }, /* R15 - Left ADC Digital Volume */ + { 16, 0x00C0 }, /* R16 - Right ADC Digital Volume */ + { 18, 0x0000 }, /* R18 - GPIO CTRL 1 */ + { 19, 0x0010 }, /* R19 - GPIO1 */ + { 20, 0x0000 }, /* R20 - IRQ_DEBOUNCE */ + { 21, 0x0000 }, /* R21 - Inputs Clamp */ + { 22, 0x8000 }, /* R22 - GPIOCTRL 2 */ + { 23, 0x0800 }, /* R23 - GPIO_POL */ + { 24, 0x008B }, /* R24 - Left Line Input 1&2 Volume */ + { 25, 0x008B }, /* R25 - Left Line Input 3&4 Volume */ + { 26, 0x008B }, /* R26 - Right Line Input 1&2 Volume */ + { 27, 0x008B }, /* R27 - Right Line Input 3&4 Volume */ + { 28, 0x006D }, /* R28 - Left Output Volume */ + { 29, 0x006D }, /* R29 - Right Output Volume */ + { 30, 0x0066 }, /* R30 - Line Outputs Volume */ + { 31, 0x0020 }, /* R31 - HPOUT2 Volume */ + { 32, 0x0079 }, /* R32 - Left OPGA Volume */ + { 33, 0x0079 }, /* R33 - Right OPGA Volume */ + { 34, 0x0003 }, /* R34 - SPKMIXL Attenuation */ + { 35, 0x0003 }, /* R35 - SPKMIXR Attenuation */ + { 36, 0x0011 }, /* R36 - SPKOUT Mixers */ + { 37, 0x0100 }, /* R37 - SPKOUT Boost */ + { 38, 0x0079 }, /* R38 - Speaker Volume Left */ + { 39, 0x0079 }, /* R39 - Speaker Volume Right */ + { 40, 0x0000 }, /* R40 - Input Mixer2 */ + { 41, 0x0000 }, /* R41 - Input Mixer3 */ + { 42, 0x0000 }, /* R42 - Input Mixer4 */ + { 43, 0x0000 }, /* R43 - Input Mixer5 */ + { 44, 0x0000 }, /* R44 - Input Mixer6 */ + { 45, 0x0000 }, /* R45 - Output Mixer1 */ + { 46, 0x0000 }, /* R46 - Output Mixer2 */ + { 47, 0x0000 }, /* R47 - Output Mixer3 */ + { 48, 0x0000 }, /* R48 - Output Mixer4 */ + { 49, 0x0000 }, /* R49 - Output Mixer5 */ + { 50, 0x0000 }, /* R50 - Output Mixer6 */ + { 51, 0x0000 }, /* R51 - HPOUT2 Mixer */ + { 52, 0x0000 }, /* R52 - Line Mixer1 */ + { 53, 0x0000 }, /* R53 - Line Mixer2 */ + { 54, 0x0000 }, /* R54 - Speaker Mixer */ + { 55, 0x0000 }, /* R55 - Additional Control */ + { 56, 0x0000 }, /* R56 - AntiPOP1 */ + { 57, 0x0000 }, /* R57 - AntiPOP2 */ + { 58, 0x0000 }, /* R58 - MICBIAS */ + { 60, 0x0000 }, /* R60 - FLL Control 1 */ + { 61, 0x0000 }, /* R61 - FLL Control 2 */ + { 62, 0x0000 }, /* R62 - FLL Control 3 */ + { 63, 0x2EE0 }, /* R63 - FLL Control 4 */ + { 64, 0x0002 }, /* R64 - FLL Control 5 */ + { 65, 0x2287 }, /* R65 - Clocking 3 */ + { 66, 0x025F }, /* R66 - Clocking 4 */ + { 67, 0x0000 }, /* R67 - MW Slave Control */ + { 69, 0x0002 }, /* R69 - Bus Control 1 */ + { 70, 0x0000 }, /* R70 - Write Sequencer 0 */ + { 71, 0x0000 }, /* R71 - Write Sequencer 1 */ + { 72, 0x0000 }, /* R72 - Write Sequencer 2 */ + { 73, 0x0000 }, /* R73 - Write Sequencer 3 */ + { 74, 0x0000 }, /* R74 - Write Sequencer 4 */ + { 75, 0x0000 }, /* R75 - Write Sequencer 5 */ + { 76, 0x1F25 }, /* R76 - Charge Pump 1 */ + { 81, 0x0000 }, /* R81 - Class W 0 */ + { 85, 0x054A }, /* R85 - DC Servo 1 */ + { 87, 0x0000 }, /* R87 - DC Servo 3 */ + { 96, 0x0100 }, /* R96 - Analogue HP 0 */ + { 98, 0x0000 }, /* R98 - EQ1 */ + { 99, 0x000C }, /* R99 - EQ2 */ + { 100, 0x000C }, /* R100 - EQ3 */ + { 101, 0x000C }, /* R101 - EQ4 */ + { 102, 0x000C }, /* R102 - EQ5 */ + { 103, 0x000C }, /* R103 - EQ6 */ + { 104, 0x0FCA }, /* R104 - EQ7 */ + { 105, 0x0400 }, /* R105 - EQ8 */ + { 106, 0x00D8 }, /* R106 - EQ9 */ + { 107, 0x1EB5 }, /* R107 - EQ10 */ + { 108, 0xF145 }, /* R108 - EQ11 */ + { 109, 0x0B75 }, /* R109 - EQ12 */ + { 110, 0x01C5 }, /* R110 - EQ13 */ + { 111, 0x1C58 }, /* R111 - EQ14 */ + { 112, 0xF373 }, /* R112 - EQ15 */ + { 113, 0x0A54 }, /* R113 - EQ16 */ + { 114, 0x0558 }, /* R114 - EQ17 */ + { 115, 0x168E }, /* R115 - EQ18 */ + { 116, 0xF829 }, /* R116 - EQ19 */ + { 117, 0x07AD }, /* R117 - EQ20 */ + { 118, 0x1103 }, /* R118 - EQ21 */ + { 119, 0x0564 }, /* R119 - EQ22 */ + { 120, 0x0559 }, /* R120 - EQ23 */ + { 121, 0x4000 }, /* R121 - EQ24 */ + { 122, 0x0000 }, /* R122 - Digital Pulls */ + { 123, 0x0F08 }, /* R123 - DRC Control 1 */ + { 124, 0x0000 }, /* R124 - DRC Control 2 */ + { 125, 0x0080 }, /* R125 - DRC Control 3 */ + { 126, 0x0000 }, /* R126 - DRC Control 4 */ +}; + +static struct { + int ratio; + int clk_sys_rate; +} clk_sys_rates[] = { + { 64, 0 }, + { 128, 1 }, + { 192, 2 }, + { 256, 3 }, + { 384, 4 }, + { 512, 5 }, + { 768, 6 }, + { 1024, 7 }, + { 1408, 8 }, + { 1536, 9 }, +}; + +static struct { + int rate; + int sample_rate; +} sample_rates[] = { + { 8000, 0 }, + { 11025, 1 }, + { 12000, 1 }, + { 16000, 2 }, + { 22050, 3 }, + { 24000, 3 }, + { 32000, 4 }, + { 44100, 5 }, + { 48000, 5 }, +}; + +static struct { + int div; /* *10 due to .5s */ + int bclk_div; +} bclk_divs[] = { + { 10, 0 }, + { 15, 1 }, + { 20, 2 }, + { 30, 3 }, + { 40, 4 }, + { 55, 5 }, + { 60, 6 }, + { 80, 7 }, + { 110, 8 }, + { 120, 9 }, + { 160, 10 }, + { 220, 11 }, + { 240, 12 }, + { 320, 13 }, + { 440, 14 }, + { 480, 15 }, +}; + +struct wm8993_priv { + struct wm_hubs_data hubs_data; + struct device *dev; + struct regmap *regmap; + struct regulator_bulk_data supplies[WM8993_NUM_SUPPLIES]; + struct wm8993_platform_data pdata; + struct completion fll_lock; + int master; + int sysclk_source; + int tdm_slots; + int tdm_width; + unsigned int mclk_rate; + unsigned int sysclk_rate; + unsigned int fs; + unsigned int bclk; + unsigned int fll_fref; + unsigned int fll_fout; + int fll_src; +}; + +static bool wm8993_volatile(struct device *dev, unsigned int reg) +{ + switch (reg) { + case WM8993_SOFTWARE_RESET: + case WM8993_GPIO_CTRL_1: + case WM8993_DC_SERVO_0: + case WM8993_DC_SERVO_READBACK_0: + case WM8993_DC_SERVO_READBACK_1: + case WM8993_DC_SERVO_READBACK_2: + return true; + default: + return false; + } +} + +static bool wm8993_readable(struct device *dev, unsigned int reg) +{ + switch (reg) { + case WM8993_SOFTWARE_RESET: + case WM8993_POWER_MANAGEMENT_1: + case WM8993_POWER_MANAGEMENT_2: + case WM8993_POWER_MANAGEMENT_3: + case WM8993_AUDIO_INTERFACE_1: + case WM8993_AUDIO_INTERFACE_2: + case WM8993_CLOCKING_1: + case WM8993_CLOCKING_2: + case WM8993_AUDIO_INTERFACE_3: + case WM8993_AUDIO_INTERFACE_4: + case WM8993_DAC_CTRL: + case WM8993_LEFT_DAC_DIGITAL_VOLUME: + case WM8993_RIGHT_DAC_DIGITAL_VOLUME: + case WM8993_DIGITAL_SIDE_TONE: + case WM8993_ADC_CTRL: + case WM8993_LEFT_ADC_DIGITAL_VOLUME: + case WM8993_RIGHT_ADC_DIGITAL_VOLUME: + case WM8993_GPIO_CTRL_1: + case WM8993_GPIO1: + case WM8993_IRQ_DEBOUNCE: + case WM8993_GPIOCTRL_2: + case WM8993_GPIO_POL: + case WM8993_LEFT_LINE_INPUT_1_2_VOLUME: + case WM8993_LEFT_LINE_INPUT_3_4_VOLUME: + case WM8993_RIGHT_LINE_INPUT_1_2_VOLUME: + case WM8993_RIGHT_LINE_INPUT_3_4_VOLUME: + case WM8993_LEFT_OUTPUT_VOLUME: + case WM8993_RIGHT_OUTPUT_VOLUME: + case WM8993_LINE_OUTPUTS_VOLUME: + case WM8993_HPOUT2_VOLUME: + case WM8993_LEFT_OPGA_VOLUME: + case WM8993_RIGHT_OPGA_VOLUME: + case WM8993_SPKMIXL_ATTENUATION: + case WM8993_SPKMIXR_ATTENUATION: + case WM8993_SPKOUT_MIXERS: + case WM8993_SPKOUT_BOOST: + case WM8993_SPEAKER_VOLUME_LEFT: + case WM8993_SPEAKER_VOLUME_RIGHT: + case WM8993_INPUT_MIXER2: + case WM8993_INPUT_MIXER3: + case WM8993_INPUT_MIXER4: + case WM8993_INPUT_MIXER5: + case WM8993_INPUT_MIXER6: + case WM8993_OUTPUT_MIXER1: + case WM8993_OUTPUT_MIXER2: + case WM8993_OUTPUT_MIXER3: + case WM8993_OUTPUT_MIXER4: + case WM8993_OUTPUT_MIXER5: + case WM8993_OUTPUT_MIXER6: + case WM8993_HPOUT2_MIXER: + case WM8993_LINE_MIXER1: + case WM8993_LINE_MIXER2: + case WM8993_SPEAKER_MIXER: + case WM8993_ADDITIONAL_CONTROL: + case WM8993_ANTIPOP1: + case WM8993_ANTIPOP2: + case WM8993_MICBIAS: + case WM8993_FLL_CONTROL_1: + case WM8993_FLL_CONTROL_2: + case WM8993_FLL_CONTROL_3: + case WM8993_FLL_CONTROL_4: + case WM8993_FLL_CONTROL_5: + case WM8993_CLOCKING_3: + case WM8993_CLOCKING_4: + case WM8993_MW_SLAVE_CONTROL: + case WM8993_BUS_CONTROL_1: + case WM8993_WRITE_SEQUENCER_0: + case WM8993_WRITE_SEQUENCER_1: + case WM8993_WRITE_SEQUENCER_2: + case WM8993_WRITE_SEQUENCER_3: + case WM8993_WRITE_SEQUENCER_4: + case WM8993_WRITE_SEQUENCER_5: + case WM8993_CHARGE_PUMP_1: + case WM8993_CLASS_W_0: + case WM8993_DC_SERVO_0: + case WM8993_DC_SERVO_1: + case WM8993_DC_SERVO_3: + case WM8993_DC_SERVO_READBACK_0: + case WM8993_DC_SERVO_READBACK_1: + case WM8993_DC_SERVO_READBACK_2: + case WM8993_ANALOGUE_HP_0: + case WM8993_EQ1: + case WM8993_EQ2: + case WM8993_EQ3: + case WM8993_EQ4: + case WM8993_EQ5: + case WM8993_EQ6: + case WM8993_EQ7: + case WM8993_EQ8: + case WM8993_EQ9: + case WM8993_EQ10: + case WM8993_EQ11: + case WM8993_EQ12: + case WM8993_EQ13: + case WM8993_EQ14: + case WM8993_EQ15: + case WM8993_EQ16: + case WM8993_EQ17: + case WM8993_EQ18: + case WM8993_EQ19: + case WM8993_EQ20: + case WM8993_EQ21: + case WM8993_EQ22: + case WM8993_EQ23: + case WM8993_EQ24: + case WM8993_DIGITAL_PULLS: + case WM8993_DRC_CONTROL_1: + case WM8993_DRC_CONTROL_2: + case WM8993_DRC_CONTROL_3: + case WM8993_DRC_CONTROL_4: + return true; + default: + return false; + } +} + +struct _fll_div { + u16 fll_fratio; + u16 fll_outdiv; + u16 fll_clk_ref_div; + u16 n; + u16 k; +}; + +/* The size in bits of the FLL divide multiplied by 10 + * to allow rounding later */ +#define FIXED_FLL_SIZE ((1 << 16) * 10) + +static struct { + unsigned int min; + unsigned int max; + u16 fll_fratio; + int ratio; +} fll_fratios[] = { + { 0, 64000, 4, 16 }, + { 64000, 128000, 3, 8 }, + { 128000, 256000, 2, 4 }, + { 256000, 1000000, 1, 2 }, + { 1000000, 13500000, 0, 1 }, +}; + +static int fll_factors(struct _fll_div *fll_div, unsigned int Fref, + unsigned int Fout) +{ + u64 Kpart; + unsigned int K, Ndiv, Nmod, target; + unsigned int div; + int i; + + /* Fref must be <=13.5MHz */ + div = 1; + fll_div->fll_clk_ref_div = 0; + while ((Fref / div) > 13500000) { + div *= 2; + fll_div->fll_clk_ref_div++; + + if (div > 8) { + pr_err("Can't scale %dMHz input down to <=13.5MHz\n", + Fref); + return -EINVAL; + } + } + + pr_debug("Fref=%u Fout=%u\n", Fref, Fout); + + /* Apply the division for our remaining calculations */ + Fref /= div; + + /* Fvco should be 90-100MHz; don't check the upper bound */ + div = 0; + target = Fout * 2; + while (target < 90000000) { + div++; + target *= 2; + if (div > 7) { + pr_err("Unable to find FLL_OUTDIV for Fout=%uHz\n", + Fout); + return -EINVAL; + } + } + fll_div->fll_outdiv = div; + + pr_debug("Fvco=%dHz\n", target); + + /* Find an appropriate FLL_FRATIO and factor it out of the target */ + for (i = 0; i < ARRAY_SIZE(fll_fratios); i++) { + if (fll_fratios[i].min <= Fref && Fref <= fll_fratios[i].max) { + fll_div->fll_fratio = fll_fratios[i].fll_fratio; + target /= fll_fratios[i].ratio; + break; + } + } + if (i == ARRAY_SIZE(fll_fratios)) { + pr_err("Unable to find FLL_FRATIO for Fref=%uHz\n", Fref); + return -EINVAL; + } + + /* Now, calculate N.K */ + Ndiv = target / Fref; + + fll_div->n = Ndiv; + Nmod = target % Fref; + pr_debug("Nmod=%d\n", Nmod); + + /* Calculate fractional part - scale up so we can round. */ + Kpart = FIXED_FLL_SIZE * (long long)Nmod; + + do_div(Kpart, Fref); + + K = Kpart & 0xFFFFFFFF; + + if ((K % 10) >= 5) + K += 5; + + /* Move down to proper range now rounding is done */ + fll_div->k = K / 10; + + pr_debug("N=%x K=%x FLL_FRATIO=%x FLL_OUTDIV=%x FLL_CLK_REF_DIV=%x\n", + fll_div->n, fll_div->k, + fll_div->fll_fratio, fll_div->fll_outdiv, + fll_div->fll_clk_ref_div); + + return 0; +} + +static int _wm8993_set_fll(struct snd_soc_component *component, int fll_id, int source, + unsigned int Fref, unsigned int Fout) +{ + struct wm8993_priv *wm8993 = snd_soc_component_get_drvdata(component); + struct i2c_client *i2c = to_i2c_client(component->dev); + u16 reg1, reg4, reg5; + struct _fll_div fll_div; + unsigned int timeout; + int ret; + + /* Any change? */ + if (Fref == wm8993->fll_fref && Fout == wm8993->fll_fout) + return 0; + + /* Disable the FLL */ + if (Fout == 0) { + dev_dbg(component->dev, "FLL disabled\n"); + wm8993->fll_fref = 0; + wm8993->fll_fout = 0; + + reg1 = snd_soc_component_read(component, WM8993_FLL_CONTROL_1); + reg1 &= ~WM8993_FLL_ENA; + snd_soc_component_write(component, WM8993_FLL_CONTROL_1, reg1); + + return 0; + } + + ret = fll_factors(&fll_div, Fref, Fout); + if (ret != 0) + return ret; + + reg5 = snd_soc_component_read(component, WM8993_FLL_CONTROL_5); + reg5 &= ~WM8993_FLL_CLK_SRC_MASK; + + switch (fll_id) { + case WM8993_FLL_MCLK: + break; + + case WM8993_FLL_LRCLK: + reg5 |= 1; + break; + + case WM8993_FLL_BCLK: + reg5 |= 2; + break; + + default: + dev_err(component->dev, "Unknown FLL ID %d\n", fll_id); + return -EINVAL; + } + + /* Any FLL configuration change requires that the FLL be + * disabled first. */ + reg1 = snd_soc_component_read(component, WM8993_FLL_CONTROL_1); + reg1 &= ~WM8993_FLL_ENA; + snd_soc_component_write(component, WM8993_FLL_CONTROL_1, reg1); + + /* Apply the configuration */ + if (fll_div.k) + reg1 |= WM8993_FLL_FRAC_MASK; + else + reg1 &= ~WM8993_FLL_FRAC_MASK; + snd_soc_component_write(component, WM8993_FLL_CONTROL_1, reg1); + + snd_soc_component_write(component, WM8993_FLL_CONTROL_2, + (fll_div.fll_outdiv << WM8993_FLL_OUTDIV_SHIFT) | + (fll_div.fll_fratio << WM8993_FLL_FRATIO_SHIFT)); + snd_soc_component_write(component, WM8993_FLL_CONTROL_3, fll_div.k); + + reg4 = snd_soc_component_read(component, WM8993_FLL_CONTROL_4); + reg4 &= ~WM8993_FLL_N_MASK; + reg4 |= fll_div.n << WM8993_FLL_N_SHIFT; + snd_soc_component_write(component, WM8993_FLL_CONTROL_4, reg4); + + reg5 &= ~WM8993_FLL_CLK_REF_DIV_MASK; + reg5 |= fll_div.fll_clk_ref_div << WM8993_FLL_CLK_REF_DIV_SHIFT; + snd_soc_component_write(component, WM8993_FLL_CONTROL_5, reg5); + + /* If we've got an interrupt wired up make sure we get it */ + if (i2c->irq) + timeout = msecs_to_jiffies(20); + else if (Fref < 1000000) + timeout = msecs_to_jiffies(3); + else + timeout = msecs_to_jiffies(1); + + try_wait_for_completion(&wm8993->fll_lock); + + /* Enable the FLL */ + snd_soc_component_write(component, WM8993_FLL_CONTROL_1, reg1 | WM8993_FLL_ENA); + + timeout = wait_for_completion_timeout(&wm8993->fll_lock, timeout); + if (i2c->irq && !timeout) + dev_warn(component->dev, "Timed out waiting for FLL\n"); + + dev_dbg(component->dev, "FLL enabled at %dHz->%dHz\n", Fref, Fout); + + wm8993->fll_fref = Fref; + wm8993->fll_fout = Fout; + wm8993->fll_src = source; + + return 0; +} + +static int wm8993_set_fll(struct snd_soc_dai *dai, int fll_id, int source, + unsigned int Fref, unsigned int Fout) +{ + return _wm8993_set_fll(dai->component, fll_id, source, Fref, Fout); +} + +static int configure_clock(struct snd_soc_component *component) +{ + struct wm8993_priv *wm8993 = snd_soc_component_get_drvdata(component); + unsigned int reg; + + /* This should be done on init() for bypass paths */ + switch (wm8993->sysclk_source) { + case WM8993_SYSCLK_MCLK: + dev_dbg(component->dev, "Using %dHz MCLK\n", wm8993->mclk_rate); + + reg = snd_soc_component_read(component, WM8993_CLOCKING_2); + reg &= ~(WM8993_MCLK_DIV | WM8993_SYSCLK_SRC); + if (wm8993->mclk_rate > 13500000) { + reg |= WM8993_MCLK_DIV; + wm8993->sysclk_rate = wm8993->mclk_rate / 2; + } else { + reg &= ~WM8993_MCLK_DIV; + wm8993->sysclk_rate = wm8993->mclk_rate; + } + snd_soc_component_write(component, WM8993_CLOCKING_2, reg); + break; + + case WM8993_SYSCLK_FLL: + dev_dbg(component->dev, "Using %dHz FLL clock\n", + wm8993->fll_fout); + + reg = snd_soc_component_read(component, WM8993_CLOCKING_2); + reg |= WM8993_SYSCLK_SRC; + if (wm8993->fll_fout > 13500000) { + reg |= WM8993_MCLK_DIV; + wm8993->sysclk_rate = wm8993->fll_fout / 2; + } else { + reg &= ~WM8993_MCLK_DIV; + wm8993->sysclk_rate = wm8993->fll_fout; + } + snd_soc_component_write(component, WM8993_CLOCKING_2, reg); + break; + + default: + dev_err(component->dev, "System clock not configured\n"); + return -EINVAL; + } + + dev_dbg(component->dev, "CLK_SYS is %dHz\n", wm8993->sysclk_rate); + + return 0; +} + +static const DECLARE_TLV_DB_SCALE(sidetone_tlv, -3600, 300, 0); +static const DECLARE_TLV_DB_SCALE(drc_comp_threash, -4500, 75, 0); +static const DECLARE_TLV_DB_SCALE(drc_comp_amp, -2250, 75, 0); +static const DECLARE_TLV_DB_SCALE(drc_min_tlv, -1800, 600, 0); +static const DECLARE_TLV_DB_RANGE(drc_max_tlv, + 0, 2, TLV_DB_SCALE_ITEM(1200, 600, 0), + 3, 3, TLV_DB_SCALE_ITEM(3600, 0, 0) +); +static const DECLARE_TLV_DB_SCALE(drc_qr_tlv, 1200, 600, 0); +static const DECLARE_TLV_DB_SCALE(drc_startup_tlv, -1800, 300, 0); +static const DECLARE_TLV_DB_SCALE(eq_tlv, -1200, 100, 0); +static const DECLARE_TLV_DB_SCALE(digital_tlv, -7200, 75, 1); +static const DECLARE_TLV_DB_SCALE(dac_boost_tlv, 0, 600, 0); + +static const char *dac_deemph_text[] = { + "None", + "32kHz", + "44.1kHz", + "48kHz", +}; + +static SOC_ENUM_SINGLE_DECL(dac_deemph, + WM8993_DAC_CTRL, 4, dac_deemph_text); + +static const char *adc_hpf_text[] = { + "Hi-Fi", + "Voice 1", + "Voice 2", + "Voice 3", +}; + +static SOC_ENUM_SINGLE_DECL(adc_hpf, + WM8993_ADC_CTRL, 5, adc_hpf_text); + +static const char *drc_path_text[] = { + "ADC", + "DAC" +}; + +static SOC_ENUM_SINGLE_DECL(drc_path, + WM8993_DRC_CONTROL_1, 14, drc_path_text); + +static const char *drc_r0_text[] = { + "1", + "1/2", + "1/4", + "1/8", + "1/16", + "0", +}; + +static SOC_ENUM_SINGLE_DECL(drc_r0, + WM8993_DRC_CONTROL_3, 8, drc_r0_text); + +static const char *drc_r1_text[] = { + "1", + "1/2", + "1/4", + "1/8", + "0", +}; + +static SOC_ENUM_SINGLE_DECL(drc_r1, + WM8993_DRC_CONTROL_4, 13, drc_r1_text); + +static const char *drc_attack_text[] = { + "Reserved", + "181us", + "363us", + "726us", + "1.45ms", + "2.9ms", + "5.8ms", + "11.6ms", + "23.2ms", + "46.4ms", + "92.8ms", + "185.6ms", +}; + +static SOC_ENUM_SINGLE_DECL(drc_attack, + WM8993_DRC_CONTROL_2, 12, drc_attack_text); + +static const char *drc_decay_text[] = { + "186ms", + "372ms", + "743ms", + "1.49s", + "2.97ms", + "5.94ms", + "11.89ms", + "23.78ms", + "47.56ms", +}; + +static SOC_ENUM_SINGLE_DECL(drc_decay, + WM8993_DRC_CONTROL_2, 8, drc_decay_text); + +static const char *drc_ff_text[] = { + "5 samples", + "9 samples", +}; + +static SOC_ENUM_SINGLE_DECL(drc_ff, + WM8993_DRC_CONTROL_3, 7, drc_ff_text); + +static const char *drc_qr_rate_text[] = { + "0.725ms", + "1.45ms", + "5.8ms", +}; + +static SOC_ENUM_SINGLE_DECL(drc_qr_rate, + WM8993_DRC_CONTROL_3, 0, drc_qr_rate_text); + +static const char *drc_smooth_text[] = { + "Low", + "Medium", + "High", +}; + +static SOC_ENUM_SINGLE_DECL(drc_smooth, + WM8993_DRC_CONTROL_1, 4, drc_smooth_text); + +static const struct snd_kcontrol_new wm8993_snd_controls[] = { +SOC_DOUBLE_TLV("Digital Sidetone Volume", WM8993_DIGITAL_SIDE_TONE, + 5, 9, 12, 0, sidetone_tlv), + +SOC_SINGLE("DRC Switch", WM8993_DRC_CONTROL_1, 15, 1, 0), +SOC_ENUM("DRC Path", drc_path), +SOC_SINGLE_TLV("DRC Compressor Threshold Volume", WM8993_DRC_CONTROL_2, + 2, 60, 1, drc_comp_threash), +SOC_SINGLE_TLV("DRC Compressor Amplitude Volume", WM8993_DRC_CONTROL_3, + 11, 30, 1, drc_comp_amp), +SOC_ENUM("DRC R0", drc_r0), +SOC_ENUM("DRC R1", drc_r1), +SOC_SINGLE_TLV("DRC Minimum Volume", WM8993_DRC_CONTROL_1, 2, 3, 1, + drc_min_tlv), +SOC_SINGLE_TLV("DRC Maximum Volume", WM8993_DRC_CONTROL_1, 0, 3, 0, + drc_max_tlv), +SOC_ENUM("DRC Attack Rate", drc_attack), +SOC_ENUM("DRC Decay Rate", drc_decay), +SOC_ENUM("DRC FF Delay", drc_ff), +SOC_SINGLE("DRC Anti-clip Switch", WM8993_DRC_CONTROL_1, 9, 1, 0), +SOC_SINGLE("DRC Quick Release Switch", WM8993_DRC_CONTROL_1, 10, 1, 0), +SOC_SINGLE_TLV("DRC Quick Release Volume", WM8993_DRC_CONTROL_3, 2, 3, 0, + drc_qr_tlv), +SOC_ENUM("DRC Quick Release Rate", drc_qr_rate), +SOC_SINGLE("DRC Smoothing Switch", WM8993_DRC_CONTROL_1, 11, 1, 0), +SOC_SINGLE("DRC Smoothing Hysteresis Switch", WM8993_DRC_CONTROL_1, 8, 1, 0), +SOC_ENUM("DRC Smoothing Hysteresis Threshold", drc_smooth), +SOC_SINGLE_TLV("DRC Startup Volume", WM8993_DRC_CONTROL_4, 8, 18, 0, + drc_startup_tlv), + +SOC_SINGLE("EQ Switch", WM8993_EQ1, 0, 1, 0), + +SOC_DOUBLE_R_TLV("Capture Volume", WM8993_LEFT_ADC_DIGITAL_VOLUME, + WM8993_RIGHT_ADC_DIGITAL_VOLUME, 1, 96, 0, digital_tlv), +SOC_SINGLE("ADC High Pass Filter Switch", WM8993_ADC_CTRL, 8, 1, 0), +SOC_ENUM("ADC High Pass Filter Mode", adc_hpf), + +SOC_DOUBLE_R_TLV("Playback Volume", WM8993_LEFT_DAC_DIGITAL_VOLUME, + WM8993_RIGHT_DAC_DIGITAL_VOLUME, 1, 96, 0, digital_tlv), +SOC_SINGLE_TLV("Playback Boost Volume", WM8993_AUDIO_INTERFACE_2, 10, 3, 0, + dac_boost_tlv), +SOC_ENUM("DAC Deemphasis", dac_deemph), + +SOC_SINGLE_TLV("SPKL DAC Volume", WM8993_SPKMIXL_ATTENUATION, + 2, 1, 1, wm_hubs_spkmix_tlv), + +SOC_SINGLE_TLV("SPKR DAC Volume", WM8993_SPKMIXR_ATTENUATION, + 2, 1, 1, wm_hubs_spkmix_tlv), +}; + +static const struct snd_kcontrol_new wm8993_eq_controls[] = { +SOC_SINGLE_TLV("EQ1 Volume", WM8993_EQ2, 0, 24, 0, eq_tlv), +SOC_SINGLE_TLV("EQ2 Volume", WM8993_EQ3, 0, 24, 0, eq_tlv), +SOC_SINGLE_TLV("EQ3 Volume", WM8993_EQ4, 0, 24, 0, eq_tlv), +SOC_SINGLE_TLV("EQ4 Volume", WM8993_EQ5, 0, 24, 0, eq_tlv), +SOC_SINGLE_TLV("EQ5 Volume", WM8993_EQ6, 0, 24, 0, eq_tlv), +}; + +static int clk_sys_event(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *kcontrol, int event) +{ + struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); + + switch (event) { + case SND_SOC_DAPM_PRE_PMU: + return configure_clock(component); + + case SND_SOC_DAPM_POST_PMD: + break; + } + + return 0; +} + +static const struct snd_kcontrol_new left_speaker_mixer[] = { +SOC_DAPM_SINGLE("Input Switch", WM8993_SPEAKER_MIXER, 7, 1, 0), +SOC_DAPM_SINGLE("IN1LP Switch", WM8993_SPEAKER_MIXER, 5, 1, 0), +SOC_DAPM_SINGLE("Output Switch", WM8993_SPEAKER_MIXER, 3, 1, 0), +SOC_DAPM_SINGLE("DAC Switch", WM8993_SPEAKER_MIXER, 6, 1, 0), +}; + +static const struct snd_kcontrol_new right_speaker_mixer[] = { +SOC_DAPM_SINGLE("Input Switch", WM8993_SPEAKER_MIXER, 6, 1, 0), +SOC_DAPM_SINGLE("IN1RP Switch", WM8993_SPEAKER_MIXER, 4, 1, 0), +SOC_DAPM_SINGLE("Output Switch", WM8993_SPEAKER_MIXER, 2, 1, 0), +SOC_DAPM_SINGLE("DAC Switch", WM8993_SPEAKER_MIXER, 0, 1, 0), +}; + +static const char *aif_text[] = { + "Left", "Right" +}; + +static SOC_ENUM_SINGLE_DECL(aifoutl_enum, + WM8993_AUDIO_INTERFACE_1, 15, aif_text); + +static const struct snd_kcontrol_new aifoutl_mux = + SOC_DAPM_ENUM("AIFOUTL Mux", aifoutl_enum); + +static SOC_ENUM_SINGLE_DECL(aifoutr_enum, + WM8993_AUDIO_INTERFACE_1, 14, aif_text); + +static const struct snd_kcontrol_new aifoutr_mux = + SOC_DAPM_ENUM("AIFOUTR Mux", aifoutr_enum); + +static SOC_ENUM_SINGLE_DECL(aifinl_enum, + WM8993_AUDIO_INTERFACE_2, 15, aif_text); + +static const struct snd_kcontrol_new aifinl_mux = + SOC_DAPM_ENUM("AIFINL Mux", aifinl_enum); + +static SOC_ENUM_SINGLE_DECL(aifinr_enum, + WM8993_AUDIO_INTERFACE_2, 14, aif_text); + +static const struct snd_kcontrol_new aifinr_mux = + SOC_DAPM_ENUM("AIFINR Mux", aifinr_enum); + +static const char *sidetone_text[] = { + "None", "Left", "Right" +}; + +static SOC_ENUM_SINGLE_DECL(sidetonel_enum, + WM8993_DIGITAL_SIDE_TONE, 2, sidetone_text); + +static const struct snd_kcontrol_new sidetonel_mux = + SOC_DAPM_ENUM("Left Sidetone", sidetonel_enum); + +static SOC_ENUM_SINGLE_DECL(sidetoner_enum, + WM8993_DIGITAL_SIDE_TONE, 0, sidetone_text); + +static const struct snd_kcontrol_new sidetoner_mux = + SOC_DAPM_ENUM("Right Sidetone", sidetoner_enum); + +static const struct snd_soc_dapm_widget wm8993_dapm_widgets[] = { +SND_SOC_DAPM_SUPPLY("CLK_SYS", WM8993_BUS_CONTROL_1, 1, 0, clk_sys_event, + SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), +SND_SOC_DAPM_SUPPLY("TOCLK", WM8993_CLOCKING_1, 14, 0, NULL, 0), +SND_SOC_DAPM_SUPPLY("CLK_DSP", WM8993_CLOCKING_3, 0, 0, NULL, 0), +SND_SOC_DAPM_SUPPLY("VMID", SND_SOC_NOPM, 0, 0, NULL, 0), + +SND_SOC_DAPM_ADC("ADCL", NULL, WM8993_POWER_MANAGEMENT_2, 1, 0), +SND_SOC_DAPM_ADC("ADCR", NULL, WM8993_POWER_MANAGEMENT_2, 0, 0), + +SND_SOC_DAPM_MUX("AIFOUTL Mux", SND_SOC_NOPM, 0, 0, &aifoutl_mux), +SND_SOC_DAPM_MUX("AIFOUTR Mux", SND_SOC_NOPM, 0, 0, &aifoutr_mux), + +SND_SOC_DAPM_AIF_OUT("AIFOUTL", "Capture", 0, SND_SOC_NOPM, 0, 0), +SND_SOC_DAPM_AIF_OUT("AIFOUTR", "Capture", 1, SND_SOC_NOPM, 0, 0), + +SND_SOC_DAPM_AIF_IN("AIFINL", "Playback", 0, SND_SOC_NOPM, 0, 0), +SND_SOC_DAPM_AIF_IN("AIFINR", "Playback", 1, SND_SOC_NOPM, 0, 0), + +SND_SOC_DAPM_MUX("DACL Mux", SND_SOC_NOPM, 0, 0, &aifinl_mux), +SND_SOC_DAPM_MUX("DACR Mux", SND_SOC_NOPM, 0, 0, &aifinr_mux), + +SND_SOC_DAPM_MUX("DACL Sidetone", SND_SOC_NOPM, 0, 0, &sidetonel_mux), +SND_SOC_DAPM_MUX("DACR Sidetone", SND_SOC_NOPM, 0, 0, &sidetoner_mux), + +SND_SOC_DAPM_DAC("DACL", NULL, WM8993_POWER_MANAGEMENT_3, 1, 0), +SND_SOC_DAPM_DAC("DACR", NULL, WM8993_POWER_MANAGEMENT_3, 0, 0), + +SND_SOC_DAPM_MUX("Left Headphone Mux", SND_SOC_NOPM, 0, 0, &wm_hubs_hpl_mux), +SND_SOC_DAPM_MUX("Right Headphone Mux", SND_SOC_NOPM, 0, 0, &wm_hubs_hpr_mux), + +SND_SOC_DAPM_MIXER("SPKL", WM8993_POWER_MANAGEMENT_3, 8, 0, + left_speaker_mixer, ARRAY_SIZE(left_speaker_mixer)), +SND_SOC_DAPM_MIXER("SPKR", WM8993_POWER_MANAGEMENT_3, 9, 0, + right_speaker_mixer, ARRAY_SIZE(right_speaker_mixer)), +SND_SOC_DAPM_PGA("Direct Voice", SND_SOC_NOPM, 0, 0, NULL, 0), +}; + +static const struct snd_soc_dapm_route routes[] = { + { "MICBIAS1", NULL, "VMID" }, + { "MICBIAS2", NULL, "VMID" }, + + { "ADCL", NULL, "CLK_SYS" }, + { "ADCL", NULL, "CLK_DSP" }, + { "ADCR", NULL, "CLK_SYS" }, + { "ADCR", NULL, "CLK_DSP" }, + + { "AIFOUTL Mux", "Left", "ADCL" }, + { "AIFOUTL Mux", "Right", "ADCR" }, + { "AIFOUTR Mux", "Left", "ADCL" }, + { "AIFOUTR Mux", "Right", "ADCR" }, + + { "AIFOUTL", NULL, "AIFOUTL Mux" }, + { "AIFOUTR", NULL, "AIFOUTR Mux" }, + + { "DACL Mux", "Left", "AIFINL" }, + { "DACL Mux", "Right", "AIFINR" }, + { "DACR Mux", "Left", "AIFINL" }, + { "DACR Mux", "Right", "AIFINR" }, + + { "DACL Sidetone", "Left", "ADCL" }, + { "DACL Sidetone", "Right", "ADCR" }, + { "DACR Sidetone", "Left", "ADCL" }, + { "DACR Sidetone", "Right", "ADCR" }, + + { "DACL", NULL, "CLK_SYS" }, + { "DACL", NULL, "CLK_DSP" }, + { "DACL", NULL, "DACL Mux" }, + { "DACL", NULL, "DACL Sidetone" }, + { "DACR", NULL, "CLK_SYS" }, + { "DACR", NULL, "CLK_DSP" }, + { "DACR", NULL, "DACR Mux" }, + { "DACR", NULL, "DACR Sidetone" }, + + { "Left Output Mixer", "DAC Switch", "DACL" }, + + { "Right Output Mixer", "DAC Switch", "DACR" }, + + { "Left Output PGA", NULL, "CLK_SYS" }, + + { "Right Output PGA", NULL, "CLK_SYS" }, + + { "SPKL", "DAC Switch", "DACL" }, + { "SPKL", NULL, "CLK_SYS" }, + + { "SPKR", "DAC Switch", "DACR" }, + { "SPKR", NULL, "CLK_SYS" }, + + { "Left Headphone Mux", "DAC", "DACL" }, + { "Right Headphone Mux", "DAC", "DACR" }, +}; + +static int wm8993_set_bias_level(struct snd_soc_component *component, + enum snd_soc_bias_level level) +{ + struct wm8993_priv *wm8993 = snd_soc_component_get_drvdata(component); + int ret; + + wm_hubs_set_bias_level(component, level); + + switch (level) { + case SND_SOC_BIAS_ON: + case SND_SOC_BIAS_PREPARE: + /* VMID=2*40k */ + snd_soc_component_update_bits(component, WM8993_POWER_MANAGEMENT_1, + WM8993_VMID_SEL_MASK, 0x2); + snd_soc_component_update_bits(component, WM8993_POWER_MANAGEMENT_2, + WM8993_TSHUT_ENA, WM8993_TSHUT_ENA); + break; + + case SND_SOC_BIAS_STANDBY: + if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF) { + ret = regulator_bulk_enable(ARRAY_SIZE(wm8993->supplies), + wm8993->supplies); + if (ret != 0) + return ret; + + regcache_cache_only(wm8993->regmap, false); + regcache_sync(wm8993->regmap); + + wm_hubs_vmid_ena(component); + + /* Bring up VMID with fast soft start */ + snd_soc_component_update_bits(component, WM8993_ANTIPOP2, + WM8993_STARTUP_BIAS_ENA | + WM8993_VMID_BUF_ENA | + WM8993_VMID_RAMP_MASK | + WM8993_BIAS_SRC, + WM8993_STARTUP_BIAS_ENA | + WM8993_VMID_BUF_ENA | + WM8993_VMID_RAMP_MASK | + WM8993_BIAS_SRC); + + /* If either line output is single ended we + * need the VMID buffer */ + if (!wm8993->pdata.lineout1_diff || + !wm8993->pdata.lineout2_diff) + snd_soc_component_update_bits(component, WM8993_ANTIPOP1, + WM8993_LINEOUT_VMID_BUF_ENA, + WM8993_LINEOUT_VMID_BUF_ENA); + + /* VMID=2*40k */ + snd_soc_component_update_bits(component, WM8993_POWER_MANAGEMENT_1, + WM8993_VMID_SEL_MASK | + WM8993_BIAS_ENA, + WM8993_BIAS_ENA | 0x2); + msleep(32); + + /* Switch to normal bias */ + snd_soc_component_update_bits(component, WM8993_ANTIPOP2, + WM8993_BIAS_SRC | + WM8993_STARTUP_BIAS_ENA, 0); + } + + /* VMID=2*240k */ + snd_soc_component_update_bits(component, WM8993_POWER_MANAGEMENT_1, + WM8993_VMID_SEL_MASK, 0x4); + + snd_soc_component_update_bits(component, WM8993_POWER_MANAGEMENT_2, + WM8993_TSHUT_ENA, 0); + break; + + case SND_SOC_BIAS_OFF: + snd_soc_component_update_bits(component, WM8993_ANTIPOP1, + WM8993_LINEOUT_VMID_BUF_ENA, 0); + + snd_soc_component_update_bits(component, WM8993_POWER_MANAGEMENT_1, + WM8993_VMID_SEL_MASK | WM8993_BIAS_ENA, + 0); + + snd_soc_component_update_bits(component, WM8993_ANTIPOP2, + WM8993_STARTUP_BIAS_ENA | + WM8993_VMID_BUF_ENA | + WM8993_VMID_RAMP_MASK | + WM8993_BIAS_SRC, 0); + + regcache_cache_only(wm8993->regmap, true); + regcache_mark_dirty(wm8993->regmap); + + regulator_bulk_disable(ARRAY_SIZE(wm8993->supplies), + wm8993->supplies); + break; + } + + return 0; +} + +static int wm8993_set_sysclk(struct snd_soc_dai *codec_dai, + int clk_id, unsigned int freq, int dir) +{ + struct snd_soc_component *component = codec_dai->component; + struct wm8993_priv *wm8993 = snd_soc_component_get_drvdata(component); + + switch (clk_id) { + case WM8993_SYSCLK_MCLK: + wm8993->mclk_rate = freq; + fallthrough; + case WM8993_SYSCLK_FLL: + wm8993->sysclk_source = clk_id; + break; + + default: + return -EINVAL; + } + + return 0; +} + +static int wm8993_set_dai_fmt(struct snd_soc_dai *dai, + unsigned int fmt) +{ + struct snd_soc_component *component = dai->component; + struct wm8993_priv *wm8993 = snd_soc_component_get_drvdata(component); + unsigned int aif1 = snd_soc_component_read(component, WM8993_AUDIO_INTERFACE_1); + unsigned int aif4 = snd_soc_component_read(component, WM8993_AUDIO_INTERFACE_4); + + aif1 &= ~(WM8993_BCLK_DIR | WM8993_AIF_BCLK_INV | + WM8993_AIF_LRCLK_INV | WM8993_AIF_FMT_MASK); + aif4 &= ~WM8993_LRCLK_DIR; + + switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { + case SND_SOC_DAIFMT_CBS_CFS: + wm8993->master = 0; + break; + case SND_SOC_DAIFMT_CBS_CFM: + aif4 |= WM8993_LRCLK_DIR; + wm8993->master = 1; + break; + case SND_SOC_DAIFMT_CBM_CFS: + aif1 |= WM8993_BCLK_DIR; + wm8993->master = 1; + break; + case SND_SOC_DAIFMT_CBM_CFM: + aif1 |= WM8993_BCLK_DIR; + aif4 |= WM8993_LRCLK_DIR; + wm8993->master = 1; + break; + default: + return -EINVAL; + } + + switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { + case SND_SOC_DAIFMT_DSP_B: + aif1 |= WM8993_AIF_LRCLK_INV; + fallthrough; + case SND_SOC_DAIFMT_DSP_A: + aif1 |= 0x18; + break; + case SND_SOC_DAIFMT_I2S: + aif1 |= 0x10; + break; + case SND_SOC_DAIFMT_RIGHT_J: + break; + case SND_SOC_DAIFMT_LEFT_J: + aif1 |= 0x8; + break; + default: + return -EINVAL; + } + + switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { + case SND_SOC_DAIFMT_DSP_A: + case SND_SOC_DAIFMT_DSP_B: + /* frame inversion not valid for DSP modes */ + switch (fmt & SND_SOC_DAIFMT_INV_MASK) { + case SND_SOC_DAIFMT_NB_NF: + break; + case SND_SOC_DAIFMT_IB_NF: + aif1 |= WM8993_AIF_BCLK_INV; + break; + default: + return -EINVAL; + } + break; + + case SND_SOC_DAIFMT_I2S: + case SND_SOC_DAIFMT_RIGHT_J: + case SND_SOC_DAIFMT_LEFT_J: + switch (fmt & SND_SOC_DAIFMT_INV_MASK) { + case SND_SOC_DAIFMT_NB_NF: + break; + case SND_SOC_DAIFMT_IB_IF: + aif1 |= WM8993_AIF_BCLK_INV | WM8993_AIF_LRCLK_INV; + break; + case SND_SOC_DAIFMT_IB_NF: + aif1 |= WM8993_AIF_BCLK_INV; + break; + case SND_SOC_DAIFMT_NB_IF: + aif1 |= WM8993_AIF_LRCLK_INV; + break; + default: + return -EINVAL; + } + break; + default: + return -EINVAL; + } + + snd_soc_component_write(component, WM8993_AUDIO_INTERFACE_1, aif1); + snd_soc_component_write(component, WM8993_AUDIO_INTERFACE_4, aif4); + + return 0; +} + +static int wm8993_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params, + struct snd_soc_dai *dai) +{ + struct snd_soc_component *component = dai->component; + struct wm8993_priv *wm8993 = snd_soc_component_get_drvdata(component); + int ret, i, best, best_val, cur_val; + unsigned int clocking1, clocking3, aif1, aif4; + + clocking1 = snd_soc_component_read(component, WM8993_CLOCKING_1); + clocking1 &= ~WM8993_BCLK_DIV_MASK; + + clocking3 = snd_soc_component_read(component, WM8993_CLOCKING_3); + clocking3 &= ~(WM8993_CLK_SYS_RATE_MASK | WM8993_SAMPLE_RATE_MASK); + + aif1 = snd_soc_component_read(component, WM8993_AUDIO_INTERFACE_1); + aif1 &= ~WM8993_AIF_WL_MASK; + + aif4 = snd_soc_component_read(component, WM8993_AUDIO_INTERFACE_4); + aif4 &= ~WM8993_LRCLK_RATE_MASK; + + /* What BCLK do we need? */ + wm8993->fs = params_rate(params); + wm8993->bclk = 2 * wm8993->fs; + if (wm8993->tdm_slots) { + dev_dbg(component->dev, "Configuring for %d %d bit TDM slots\n", + wm8993->tdm_slots, wm8993->tdm_width); + wm8993->bclk *= wm8993->tdm_width * wm8993->tdm_slots; + } else { + switch (params_width(params)) { + case 16: + wm8993->bclk *= 16; + break; + case 20: + wm8993->bclk *= 20; + aif1 |= 0x8; + break; + case 24: + wm8993->bclk *= 24; + aif1 |= 0x10; + break; + case 32: + wm8993->bclk *= 32; + aif1 |= 0x18; + break; + default: + return -EINVAL; + } + } + + dev_dbg(component->dev, "Target BCLK is %dHz\n", wm8993->bclk); + + ret = configure_clock(component); + if (ret != 0) + return ret; + + /* Select nearest CLK_SYS_RATE */ + best = 0; + best_val = abs((wm8993->sysclk_rate / clk_sys_rates[0].ratio) + - wm8993->fs); + for (i = 1; i < ARRAY_SIZE(clk_sys_rates); i++) { + cur_val = abs((wm8993->sysclk_rate / + clk_sys_rates[i].ratio) - wm8993->fs); + if (cur_val < best_val) { + best = i; + best_val = cur_val; + } + } + dev_dbg(component->dev, "Selected CLK_SYS_RATIO of %d\n", + clk_sys_rates[best].ratio); + clocking3 |= (clk_sys_rates[best].clk_sys_rate + << WM8993_CLK_SYS_RATE_SHIFT); + + /* SAMPLE_RATE */ + best = 0; + best_val = abs(wm8993->fs - sample_rates[0].rate); + for (i = 1; i < ARRAY_SIZE(sample_rates); i++) { + /* Closest match */ + cur_val = abs(wm8993->fs - sample_rates[i].rate); + if (cur_val < best_val) { + best = i; + best_val = cur_val; + } + } + dev_dbg(component->dev, "Selected SAMPLE_RATE of %dHz\n", + sample_rates[best].rate); + clocking3 |= (sample_rates[best].sample_rate + << WM8993_SAMPLE_RATE_SHIFT); + + /* BCLK_DIV */ + best = 0; + best_val = INT_MAX; + for (i = 0; i < ARRAY_SIZE(bclk_divs); i++) { + cur_val = ((wm8993->sysclk_rate * 10) / bclk_divs[i].div) + - wm8993->bclk; + if (cur_val < 0) /* Table is sorted */ + break; + if (cur_val < best_val) { + best = i; + best_val = cur_val; + } + } + wm8993->bclk = (wm8993->sysclk_rate * 10) / bclk_divs[best].div; + dev_dbg(component->dev, "Selected BCLK_DIV of %d for %dHz BCLK\n", + bclk_divs[best].div, wm8993->bclk); + clocking1 |= bclk_divs[best].bclk_div << WM8993_BCLK_DIV_SHIFT; + + /* LRCLK is a simple fraction of BCLK */ + dev_dbg(component->dev, "LRCLK_RATE is %d\n", wm8993->bclk / wm8993->fs); + aif4 |= wm8993->bclk / wm8993->fs; + + snd_soc_component_write(component, WM8993_CLOCKING_1, clocking1); + snd_soc_component_write(component, WM8993_CLOCKING_3, clocking3); + snd_soc_component_write(component, WM8993_AUDIO_INTERFACE_1, aif1); + snd_soc_component_write(component, WM8993_AUDIO_INTERFACE_4, aif4); + + /* ReTune Mobile? */ + if (wm8993->pdata.num_retune_configs) { + u16 eq1 = snd_soc_component_read(component, WM8993_EQ1); + struct wm8993_retune_mobile_setting *s; + + best = 0; + best_val = abs(wm8993->pdata.retune_configs[0].rate + - wm8993->fs); + for (i = 0; i < wm8993->pdata.num_retune_configs; i++) { + cur_val = abs(wm8993->pdata.retune_configs[i].rate + - wm8993->fs); + if (cur_val < best_val) { + best_val = cur_val; + best = i; + } + } + s = &wm8993->pdata.retune_configs[best]; + + dev_dbg(component->dev, "ReTune Mobile %s tuned for %dHz\n", + s->name, s->rate); + + /* Disable EQ while we reconfigure */ + snd_soc_component_update_bits(component, WM8993_EQ1, WM8993_EQ_ENA, 0); + + for (i = 1; i < ARRAY_SIZE(s->config); i++) + snd_soc_component_write(component, WM8993_EQ1 + i, s->config[i]); + + snd_soc_component_update_bits(component, WM8993_EQ1, WM8993_EQ_ENA, eq1); + } + + return 0; +} + +static int wm8993_mute(struct snd_soc_dai *codec_dai, int mute, int direction) +{ + struct snd_soc_component *component = codec_dai->component; + unsigned int reg; + + reg = snd_soc_component_read(component, WM8993_DAC_CTRL); + + if (mute) + reg |= WM8993_DAC_MUTE; + else + reg &= ~WM8993_DAC_MUTE; + + snd_soc_component_write(component, WM8993_DAC_CTRL, reg); + + return 0; +} + +static int wm8993_set_tdm_slot(struct snd_soc_dai *dai, unsigned int tx_mask, + unsigned int rx_mask, int slots, int slot_width) +{ + struct snd_soc_component *component = dai->component; + struct wm8993_priv *wm8993 = snd_soc_component_get_drvdata(component); + int aif1 = 0; + int aif2 = 0; + + /* Don't need to validate anything if we're turning off TDM */ + if (slots == 0) { + wm8993->tdm_slots = 0; + goto out; + } + + /* Note that we allow configurations we can't handle ourselves - + * for example, we can generate clocks for slots 2 and up even if + * we can't use those slots ourselves. + */ + aif1 |= WM8993_AIFADC_TDM; + aif2 |= WM8993_AIFDAC_TDM; + + switch (rx_mask) { + case 3: + break; + case 0xc: + aif1 |= WM8993_AIFADC_TDM_CHAN; + break; + default: + return -EINVAL; + } + + + switch (tx_mask) { + case 3: + break; + case 0xc: + aif2 |= WM8993_AIFDAC_TDM_CHAN; + break; + default: + return -EINVAL; + } + +out: + wm8993->tdm_width = slot_width; + wm8993->tdm_slots = slots / 2; + + snd_soc_component_update_bits(component, WM8993_AUDIO_INTERFACE_1, + WM8993_AIFADC_TDM | WM8993_AIFADC_TDM_CHAN, aif1); + snd_soc_component_update_bits(component, WM8993_AUDIO_INTERFACE_2, + WM8993_AIFDAC_TDM | WM8993_AIFDAC_TDM_CHAN, aif2); + + return 0; +} + +static irqreturn_t wm8993_irq(int irq, void *data) +{ + struct wm8993_priv *wm8993 = data; + int mask, val, ret; + + ret = regmap_read(wm8993->regmap, WM8993_GPIO_CTRL_1, &val); + if (ret != 0) { + dev_err(wm8993->dev, "Failed to read interrupt status: %d\n", + ret); + return IRQ_NONE; + } + + ret = regmap_read(wm8993->regmap, WM8993_GPIOCTRL_2, &mask); + if (ret != 0) { + dev_err(wm8993->dev, "Failed to read interrupt mask: %d\n", + ret); + return IRQ_NONE; + } + + /* The IRQ pin status is visible in the register too */ + val &= ~(mask | WM8993_IRQ); + if (!val) + return IRQ_NONE; + + if (val & WM8993_TEMPOK_EINT) + dev_crit(wm8993->dev, "Thermal warning\n"); + + if (val & WM8993_FLL_LOCK_EINT) { + dev_dbg(wm8993->dev, "FLL locked\n"); + complete(&wm8993->fll_lock); + } + + ret = regmap_write(wm8993->regmap, WM8993_GPIO_CTRL_1, val); + if (ret != 0) + dev_err(wm8993->dev, "Failed to ack interrupt: %d\n", ret); + + return IRQ_HANDLED; +} + +static const struct snd_soc_dai_ops wm8993_ops = { + .set_sysclk = wm8993_set_sysclk, + .set_fmt = wm8993_set_dai_fmt, + .hw_params = wm8993_hw_params, + .mute_stream = wm8993_mute, + .set_pll = wm8993_set_fll, + .set_tdm_slot = wm8993_set_tdm_slot, + .no_capture_mute = 1, +}; + +#define WM8993_RATES SNDRV_PCM_RATE_8000_48000 + +#define WM8993_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 wm8993_dai = { + .name = "wm8993-hifi", + .playback = { + .stream_name = "Playback", + .channels_min = 1, + .channels_max = 2, + .rates = WM8993_RATES, + .formats = WM8993_FORMATS, + .sig_bits = 24, + }, + .capture = { + .stream_name = "Capture", + .channels_min = 1, + .channels_max = 2, + .rates = WM8993_RATES, + .formats = WM8993_FORMATS, + .sig_bits = 24, + }, + .ops = &wm8993_ops, + .symmetric_rate = 1, +}; + +static int wm8993_probe(struct snd_soc_component *component) +{ + struct wm8993_priv *wm8993 = snd_soc_component_get_drvdata(component); + struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component); + + wm8993->hubs_data.hp_startup_mode = 1; + wm8993->hubs_data.dcs_codes_l = -2; + wm8993->hubs_data.dcs_codes_r = -2; + wm8993->hubs_data.series_startup = 1; + + /* Latch volume update bits and default ZC on */ + snd_soc_component_update_bits(component, WM8993_RIGHT_DAC_DIGITAL_VOLUME, + WM8993_DAC_VU, WM8993_DAC_VU); + snd_soc_component_update_bits(component, WM8993_RIGHT_ADC_DIGITAL_VOLUME, + WM8993_ADC_VU, WM8993_ADC_VU); + + /* Manualy manage the HPOUT sequencing for independent stereo + * control. */ + snd_soc_component_update_bits(component, WM8993_ANALOGUE_HP_0, + WM8993_HPOUT1_AUTO_PU, 0); + + /* Use automatic clock configuration */ + snd_soc_component_update_bits(component, WM8993_CLOCKING_4, WM8993_SR_MODE, 0); + + wm_hubs_handle_analogue_pdata(component, wm8993->pdata.lineout1_diff, + wm8993->pdata.lineout2_diff, + wm8993->pdata.lineout1fb, + wm8993->pdata.lineout2fb, + wm8993->pdata.jd_scthr, + wm8993->pdata.jd_thr, + wm8993->pdata.micbias1_delay, + wm8993->pdata.micbias2_delay, + wm8993->pdata.micbias1_lvl, + wm8993->pdata.micbias2_lvl); + + snd_soc_add_component_controls(component, wm8993_snd_controls, + ARRAY_SIZE(wm8993_snd_controls)); + if (wm8993->pdata.num_retune_configs != 0) { + dev_dbg(component->dev, "Using ReTune Mobile\n"); + } else { + dev_dbg(component->dev, "No ReTune Mobile, using normal EQ\n"); + snd_soc_add_component_controls(component, wm8993_eq_controls, + ARRAY_SIZE(wm8993_eq_controls)); + } + + snd_soc_dapm_new_controls(dapm, wm8993_dapm_widgets, + ARRAY_SIZE(wm8993_dapm_widgets)); + wm_hubs_add_analogue_controls(component); + + snd_soc_dapm_add_routes(dapm, routes, ARRAY_SIZE(routes)); + wm_hubs_add_analogue_routes(component, wm8993->pdata.lineout1_diff, + wm8993->pdata.lineout2_diff); + + /* If the line outputs are differential then we aren't presenting + * VMID as an output and can disable it. + */ + if (wm8993->pdata.lineout1_diff && wm8993->pdata.lineout2_diff) + dapm->idle_bias_off = 1; + + return 0; + +} + +#ifdef CONFIG_PM +static int wm8993_suspend(struct snd_soc_component *component) +{ + struct wm8993_priv *wm8993 = snd_soc_component_get_drvdata(component); + int fll_fout = wm8993->fll_fout; + int fll_fref = wm8993->fll_fref; + int ret; + + /* Stop the FLL in an orderly fashion */ + ret = _wm8993_set_fll(component, 0, 0, 0, 0); + if (ret != 0) { + dev_err(component->dev, "Failed to stop FLL\n"); + return ret; + } + + wm8993->fll_fout = fll_fout; + wm8993->fll_fref = fll_fref; + + snd_soc_component_force_bias_level(component, SND_SOC_BIAS_OFF); + + return 0; +} + +static int wm8993_resume(struct snd_soc_component *component) +{ + struct wm8993_priv *wm8993 = snd_soc_component_get_drvdata(component); + int ret; + + snd_soc_component_force_bias_level(component, SND_SOC_BIAS_STANDBY); + + /* Restart the FLL? */ + if (wm8993->fll_fout) { + int fll_fout = wm8993->fll_fout; + int fll_fref = wm8993->fll_fref; + + wm8993->fll_fref = 0; + wm8993->fll_fout = 0; + + ret = _wm8993_set_fll(component, 0, wm8993->fll_src, + fll_fref, fll_fout); + if (ret != 0) + dev_err(component->dev, "Failed to restart FLL\n"); + } + + return 0; +} +#else +#define wm8993_suspend NULL +#define wm8993_resume NULL +#endif + +/* Tune DC servo configuration */ +static const struct reg_sequence wm8993_regmap_patch[] = { + { 0x44, 3 }, + { 0x56, 3 }, + { 0x44, 0 }, +}; + +static const struct regmap_config wm8993_regmap = { + .reg_bits = 8, + .val_bits = 16, + + .max_register = WM8993_MAX_REGISTER, + .volatile_reg = wm8993_volatile, + .readable_reg = wm8993_readable, + + .cache_type = REGCACHE_MAPLE, + .reg_defaults = wm8993_reg_defaults, + .num_reg_defaults = ARRAY_SIZE(wm8993_reg_defaults), +}; + +static const struct snd_soc_component_driver soc_component_dev_wm8993 = { + .probe = wm8993_probe, + .suspend = wm8993_suspend, + .resume = wm8993_resume, + .set_bias_level = wm8993_set_bias_level, + .idle_bias_on = 1, + .use_pmdown_time = 1, + .endianness = 1, +}; + +static int wm8993_i2c_probe(struct i2c_client *i2c) +{ + struct wm8993_priv *wm8993; + unsigned int reg; + int ret, i; + + wm8993 = devm_kzalloc(&i2c->dev, sizeof(struct wm8993_priv), + GFP_KERNEL); + if (wm8993 == NULL) + return -ENOMEM; + + wm8993->dev = &i2c->dev; + init_completion(&wm8993->fll_lock); + + wm8993->regmap = devm_regmap_init_i2c(i2c, &wm8993_regmap); + if (IS_ERR(wm8993->regmap)) { + ret = PTR_ERR(wm8993->regmap); + dev_err(&i2c->dev, "Failed to allocate regmap: %d\n", ret); + return ret; + } + + i2c_set_clientdata(i2c, wm8993); + + for (i = 0; i < ARRAY_SIZE(wm8993->supplies); i++) + wm8993->supplies[i].supply = wm8993_supply_names[i]; + + ret = devm_regulator_bulk_get(&i2c->dev, ARRAY_SIZE(wm8993->supplies), + wm8993->supplies); + if (ret != 0) { + dev_err(&i2c->dev, "Failed to request supplies: %d\n", ret); + return ret; + } + + ret = regulator_bulk_enable(ARRAY_SIZE(wm8993->supplies), + wm8993->supplies); + if (ret != 0) { + dev_err(&i2c->dev, "Failed to enable supplies: %d\n", ret); + return ret; + } + + ret = regmap_read(wm8993->regmap, WM8993_SOFTWARE_RESET, ®); + if (ret != 0) { + dev_err(&i2c->dev, "Failed to read chip ID: %d\n", ret); + goto err_enable; + } + + if (reg != 0x8993) { + dev_err(&i2c->dev, "Invalid ID register value %x\n", reg); + ret = -EINVAL; + goto err_enable; + } + + ret = regmap_write(wm8993->regmap, WM8993_SOFTWARE_RESET, 0xffff); + if (ret != 0) + goto err_enable; + + ret = regmap_register_patch(wm8993->regmap, wm8993_regmap_patch, + ARRAY_SIZE(wm8993_regmap_patch)); + if (ret != 0) + dev_warn(wm8993->dev, "Failed to apply regmap patch: %d\n", + ret); + + if (i2c->irq) { + /* Put GPIO1 into interrupt mode (only GPIO1 can output IRQ) */ + ret = regmap_update_bits(wm8993->regmap, WM8993_GPIO1, + WM8993_GPIO1_PD | + WM8993_GPIO1_SEL_MASK, 7); + if (ret != 0) + goto err_enable; + + ret = request_threaded_irq(i2c->irq, NULL, wm8993_irq, + IRQF_TRIGGER_HIGH | IRQF_ONESHOT, + "wm8993", wm8993); + if (ret != 0) + goto err_enable; + + } + + regulator_bulk_disable(ARRAY_SIZE(wm8993->supplies), wm8993->supplies); + + regcache_cache_only(wm8993->regmap, true); + + ret = devm_snd_soc_register_component(&i2c->dev, + &soc_component_dev_wm8993, &wm8993_dai, 1); + if (ret != 0) { + dev_err(&i2c->dev, "Failed to register CODEC: %d\n", ret); + goto err_irq; + } + + return 0; + +err_irq: + if (i2c->irq) + free_irq(i2c->irq, wm8993); +err_enable: + regulator_bulk_disable(ARRAY_SIZE(wm8993->supplies), wm8993->supplies); + return ret; +} + +static void wm8993_i2c_remove(struct i2c_client *i2c) +{ + struct wm8993_priv *wm8993 = i2c_get_clientdata(i2c); + + if (i2c->irq) + free_irq(i2c->irq, wm8993); + regulator_bulk_disable(ARRAY_SIZE(wm8993->supplies), wm8993->supplies); +} + +static const struct i2c_device_id wm8993_i2c_id[] = { + { "wm8993", 0 }, + { } +}; +MODULE_DEVICE_TABLE(i2c, wm8993_i2c_id); + +static struct i2c_driver wm8993_i2c_driver = { + .driver = { + .name = "wm8993", + }, + .probe = wm8993_i2c_probe, + .remove = wm8993_i2c_remove, + .id_table = wm8993_i2c_id, +}; + +module_i2c_driver(wm8993_i2c_driver); + +MODULE_DESCRIPTION("ASoC WM8993 driver"); +MODULE_AUTHOR("Mark Brown "); +MODULE_LICENSE("GPL"); -- cgit v1.2.3