| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Mark Brown | 7507 | 92.50% | 41 | 59.42% |
| Liam Girdwood | 259 | 3.19% | 2 | 2.90% |
| Kuninori Morimoto | 225 | 2.77% | 4 | 5.80% |
| Takashi Iwai | 64 | 0.79% | 1 | 1.45% |
| Lars-Peter Clausen | 19 | 0.23% | 4 | 5.80% |
| Sachin Kamat | 8 | 0.10% | 2 | 2.90% |
| Guennadi Liakhovetski | 7 | 0.09% | 1 | 1.45% |
| Dimitris Papastamos | 5 | 0.06% | 2 | 2.90% |
| Gustavo A. R. Silva | 4 | 0.05% | 1 | 1.45% |
| Atsushi Nemoto | 4 | 0.05% | 1 | 1.45% |
| Axel Lin | 2 | 0.02% | 1 | 1.45% |
| André Goddard Rosa | 2 | 0.02% | 1 | 1.45% |
| Thomas Gleixner | 2 | 0.02% | 1 | 1.45% |
| Linus Torvalds (pre-git) | 2 | 0.02% | 1 | 1.45% |
| Uwe Kleine-König | 2 | 0.02% | 2 | 2.90% |
| Julia Lawall | 1 | 0.01% | 1 | 1.45% |
| Nariman Poushin | 1 | 0.01% | 1 | 1.45% |
| Lucas De Marchi | 1 | 0.01% | 1 | 1.45% |
| Linus Torvalds | 1 | 0.01% | 1 | 1.45% |
| Total | 8116 | 69 |
// SPDX-License-Identifier: GPL-2.0-only /* * wm8993.c -- WM8993 ALSA SoC audio driver * * Copyright 2009-12 Wolfson Microelectronics plc * * Author: Mark Brown <broonie@opensource.wolfsonmicro.com> */ #include <linux/module.h> #include <linux/moduleparam.h> #include <linux/init.h> #include <linux/delay.h> #include <linux/pm.h> #include <linux/i2c.h> #include <linux/regmap.h> #include <linux/regulator/consumer.h> #include <linux/spi/spi.h> #include <linux/slab.h> #include <sound/core.h> #include <sound/pcm.h> #include <sound/pcm_params.h> #include <sound/tlv.h> #include <sound/soc.h> #include <sound/initval.h> #include <sound/wm8993.h> #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 <broonie@opensource.wolfsonmicro.com>"); MODULE_LICENSE("GPL");
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