Mark Brown | 942c435 | 2009-06-05 16:32:59 +0100 | [diff] [blame] | 1 | /* |
| 2 | * wm8993.c -- WM8993 ALSA SoC audio driver |
| 3 | * |
| 4 | * Copyright 2009 Wolfson Microelectronics plc |
| 5 | * |
| 6 | * Author: Mark Brown <broonie@opensource.wolfsonmicro.com> |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or modify |
| 9 | * it under the terms of the GNU General Public License version 2 as |
| 10 | * published by the Free Software Foundation. |
| 11 | */ |
| 12 | |
| 13 | #include <linux/module.h> |
| 14 | #include <linux/moduleparam.h> |
| 15 | #include <linux/init.h> |
| 16 | #include <linux/delay.h> |
| 17 | #include <linux/pm.h> |
| 18 | #include <linux/i2c.h> |
| 19 | #include <linux/spi/spi.h> |
| 20 | #include <sound/core.h> |
| 21 | #include <sound/pcm.h> |
| 22 | #include <sound/pcm_params.h> |
| 23 | #include <sound/tlv.h> |
| 24 | #include <sound/soc.h> |
| 25 | #include <sound/soc-dapm.h> |
| 26 | #include <sound/initval.h> |
| 27 | #include <sound/wm8993.h> |
| 28 | |
| 29 | #include "wm8993.h" |
Mark Brown | a2342ae | 2009-07-29 21:21:49 +0100 | [diff] [blame] | 30 | #include "wm_hubs.h" |
Mark Brown | 942c435 | 2009-06-05 16:32:59 +0100 | [diff] [blame] | 31 | |
| 32 | static u16 wm8993_reg_defaults[WM8993_REGISTER_COUNT] = { |
| 33 | 0x8993, /* R0 - Software Reset */ |
| 34 | 0x0000, /* R1 - Power Management (1) */ |
| 35 | 0x6000, /* R2 - Power Management (2) */ |
| 36 | 0x0000, /* R3 - Power Management (3) */ |
| 37 | 0x4050, /* R4 - Audio Interface (1) */ |
| 38 | 0x4000, /* R5 - Audio Interface (2) */ |
| 39 | 0x01C8, /* R6 - Clocking 1 */ |
| 40 | 0x0000, /* R7 - Clocking 2 */ |
| 41 | 0x0000, /* R8 - Audio Interface (3) */ |
| 42 | 0x0040, /* R9 - Audio Interface (4) */ |
| 43 | 0x0004, /* R10 - DAC CTRL */ |
| 44 | 0x00C0, /* R11 - Left DAC Digital Volume */ |
| 45 | 0x00C0, /* R12 - Right DAC Digital Volume */ |
| 46 | 0x0000, /* R13 - Digital Side Tone */ |
| 47 | 0x0300, /* R14 - ADC CTRL */ |
| 48 | 0x00C0, /* R15 - Left ADC Digital Volume */ |
| 49 | 0x00C0, /* R16 - Right ADC Digital Volume */ |
| 50 | 0x0000, /* R17 */ |
| 51 | 0x0000, /* R18 - GPIO CTRL 1 */ |
| 52 | 0x0010, /* R19 - GPIO1 */ |
| 53 | 0x0000, /* R20 - IRQ_DEBOUNCE */ |
| 54 | 0x0000, /* R21 */ |
| 55 | 0x8000, /* R22 - GPIOCTRL 2 */ |
| 56 | 0x0800, /* R23 - GPIO_POL */ |
| 57 | 0x008B, /* R24 - Left Line Input 1&2 Volume */ |
| 58 | 0x008B, /* R25 - Left Line Input 3&4 Volume */ |
| 59 | 0x008B, /* R26 - Right Line Input 1&2 Volume */ |
| 60 | 0x008B, /* R27 - Right Line Input 3&4 Volume */ |
| 61 | 0x006D, /* R28 - Left Output Volume */ |
| 62 | 0x006D, /* R29 - Right Output Volume */ |
| 63 | 0x0066, /* R30 - Line Outputs Volume */ |
| 64 | 0x0020, /* R31 - HPOUT2 Volume */ |
| 65 | 0x0079, /* R32 - Left OPGA Volume */ |
| 66 | 0x0079, /* R33 - Right OPGA Volume */ |
| 67 | 0x0003, /* R34 - SPKMIXL Attenuation */ |
| 68 | 0x0003, /* R35 - SPKMIXR Attenuation */ |
| 69 | 0x0011, /* R36 - SPKOUT Mixers */ |
| 70 | 0x0100, /* R37 - SPKOUT Boost */ |
| 71 | 0x0079, /* R38 - Speaker Volume Left */ |
| 72 | 0x0079, /* R39 - Speaker Volume Right */ |
| 73 | 0x0000, /* R40 - Input Mixer2 */ |
| 74 | 0x0000, /* R41 - Input Mixer3 */ |
| 75 | 0x0000, /* R42 - Input Mixer4 */ |
| 76 | 0x0000, /* R43 - Input Mixer5 */ |
| 77 | 0x0000, /* R44 - Input Mixer6 */ |
| 78 | 0x0000, /* R45 - Output Mixer1 */ |
| 79 | 0x0000, /* R46 - Output Mixer2 */ |
| 80 | 0x0000, /* R47 - Output Mixer3 */ |
| 81 | 0x0000, /* R48 - Output Mixer4 */ |
| 82 | 0x0000, /* R49 - Output Mixer5 */ |
| 83 | 0x0000, /* R50 - Output Mixer6 */ |
| 84 | 0x0000, /* R51 - HPOUT2 Mixer */ |
| 85 | 0x0000, /* R52 - Line Mixer1 */ |
| 86 | 0x0000, /* R53 - Line Mixer2 */ |
| 87 | 0x0000, /* R54 - Speaker Mixer */ |
| 88 | 0x0000, /* R55 - Additional Control */ |
| 89 | 0x0000, /* R56 - AntiPOP1 */ |
| 90 | 0x0000, /* R57 - AntiPOP2 */ |
| 91 | 0x0000, /* R58 - MICBIAS */ |
| 92 | 0x0000, /* R59 */ |
| 93 | 0x0000, /* R60 - FLL Control 1 */ |
| 94 | 0x0000, /* R61 - FLL Control 2 */ |
| 95 | 0x0000, /* R62 - FLL Control 3 */ |
| 96 | 0x2EE0, /* R63 - FLL Control 4 */ |
| 97 | 0x0002, /* R64 - FLL Control 5 */ |
| 98 | 0x2287, /* R65 - Clocking 3 */ |
| 99 | 0x025F, /* R66 - Clocking 4 */ |
| 100 | 0x0000, /* R67 - MW Slave Control */ |
| 101 | 0x0000, /* R68 */ |
| 102 | 0x0002, /* R69 - Bus Control 1 */ |
| 103 | 0x0000, /* R70 - Write Sequencer 0 */ |
| 104 | 0x0000, /* R71 - Write Sequencer 1 */ |
| 105 | 0x0000, /* R72 - Write Sequencer 2 */ |
| 106 | 0x0000, /* R73 - Write Sequencer 3 */ |
| 107 | 0x0000, /* R74 - Write Sequencer 4 */ |
| 108 | 0x0000, /* R75 - Write Sequencer 5 */ |
| 109 | 0x1F25, /* R76 - Charge Pump 1 */ |
| 110 | 0x0000, /* R77 */ |
| 111 | 0x0000, /* R78 */ |
| 112 | 0x0000, /* R79 */ |
| 113 | 0x0000, /* R80 */ |
| 114 | 0x0000, /* R81 - Class W 0 */ |
| 115 | 0x0000, /* R82 */ |
| 116 | 0x0000, /* R83 */ |
| 117 | 0x0000, /* R84 - DC Servo 0 */ |
| 118 | 0x054A, /* R85 - DC Servo 1 */ |
| 119 | 0x0000, /* R86 */ |
| 120 | 0x0000, /* R87 - DC Servo 3 */ |
| 121 | 0x0000, /* R88 - DC Servo Readback 0 */ |
| 122 | 0x0000, /* R89 - DC Servo Readback 1 */ |
| 123 | 0x0000, /* R90 - DC Servo Readback 2 */ |
| 124 | 0x0000, /* R91 */ |
| 125 | 0x0000, /* R92 */ |
| 126 | 0x0000, /* R93 */ |
| 127 | 0x0000, /* R94 */ |
| 128 | 0x0000, /* R95 */ |
| 129 | 0x0100, /* R96 - Analogue HP 0 */ |
| 130 | 0x0000, /* R97 */ |
| 131 | 0x0000, /* R98 - EQ1 */ |
| 132 | 0x000C, /* R99 - EQ2 */ |
| 133 | 0x000C, /* R100 - EQ3 */ |
| 134 | 0x000C, /* R101 - EQ4 */ |
| 135 | 0x000C, /* R102 - EQ5 */ |
| 136 | 0x000C, /* R103 - EQ6 */ |
| 137 | 0x0FCA, /* R104 - EQ7 */ |
| 138 | 0x0400, /* R105 - EQ8 */ |
| 139 | 0x00D8, /* R106 - EQ9 */ |
| 140 | 0x1EB5, /* R107 - EQ10 */ |
| 141 | 0xF145, /* R108 - EQ11 */ |
| 142 | 0x0B75, /* R109 - EQ12 */ |
| 143 | 0x01C5, /* R110 - EQ13 */ |
| 144 | 0x1C58, /* R111 - EQ14 */ |
| 145 | 0xF373, /* R112 - EQ15 */ |
| 146 | 0x0A54, /* R113 - EQ16 */ |
| 147 | 0x0558, /* R114 - EQ17 */ |
| 148 | 0x168E, /* R115 - EQ18 */ |
| 149 | 0xF829, /* R116 - EQ19 */ |
| 150 | 0x07AD, /* R117 - EQ20 */ |
| 151 | 0x1103, /* R118 - EQ21 */ |
| 152 | 0x0564, /* R119 - EQ22 */ |
| 153 | 0x0559, /* R120 - EQ23 */ |
| 154 | 0x4000, /* R121 - EQ24 */ |
| 155 | 0x0000, /* R122 - Digital Pulls */ |
| 156 | 0x0F08, /* R123 - DRC Control 1 */ |
| 157 | 0x0000, /* R124 - DRC Control 2 */ |
| 158 | 0x0080, /* R125 - DRC Control 3 */ |
| 159 | 0x0000, /* R126 - DRC Control 4 */ |
| 160 | }; |
| 161 | |
| 162 | static struct { |
| 163 | int ratio; |
| 164 | int clk_sys_rate; |
| 165 | } clk_sys_rates[] = { |
| 166 | { 64, 0 }, |
| 167 | { 128, 1 }, |
| 168 | { 192, 2 }, |
| 169 | { 256, 3 }, |
| 170 | { 384, 4 }, |
| 171 | { 512, 5 }, |
| 172 | { 768, 6 }, |
| 173 | { 1024, 7 }, |
| 174 | { 1408, 8 }, |
| 175 | { 1536, 9 }, |
| 176 | }; |
| 177 | |
| 178 | static struct { |
| 179 | int rate; |
| 180 | int sample_rate; |
| 181 | } sample_rates[] = { |
| 182 | { 8000, 0 }, |
| 183 | { 11025, 1 }, |
| 184 | { 12000, 1 }, |
| 185 | { 16000, 2 }, |
| 186 | { 22050, 3 }, |
| 187 | { 24000, 3 }, |
| 188 | { 32000, 4 }, |
| 189 | { 44100, 5 }, |
| 190 | { 48000, 5 }, |
| 191 | }; |
| 192 | |
| 193 | static struct { |
| 194 | int div; /* *10 due to .5s */ |
| 195 | int bclk_div; |
| 196 | } bclk_divs[] = { |
| 197 | { 10, 0 }, |
| 198 | { 15, 1 }, |
| 199 | { 20, 2 }, |
| 200 | { 30, 3 }, |
| 201 | { 40, 4 }, |
| 202 | { 55, 5 }, |
| 203 | { 60, 6 }, |
| 204 | { 80, 7 }, |
| 205 | { 110, 8 }, |
| 206 | { 120, 9 }, |
| 207 | { 160, 10 }, |
| 208 | { 220, 11 }, |
| 209 | { 240, 12 }, |
| 210 | { 320, 13 }, |
| 211 | { 440, 14 }, |
| 212 | { 480, 15 }, |
| 213 | }; |
| 214 | |
| 215 | struct wm8993_priv { |
| 216 | u16 reg_cache[WM8993_REGISTER_COUNT]; |
| 217 | struct wm8993_platform_data pdata; |
| 218 | struct snd_soc_codec codec; |
| 219 | int master; |
| 220 | int sysclk_source; |
Mark Brown | d3c9e9a | 2009-08-17 18:52:47 +0100 | [diff] [blame] | 221 | int tdm_slots; |
| 222 | int tdm_width; |
Mark Brown | 942c435 | 2009-06-05 16:32:59 +0100 | [diff] [blame] | 223 | unsigned int mclk_rate; |
| 224 | unsigned int sysclk_rate; |
| 225 | unsigned int fs; |
| 226 | unsigned int bclk; |
| 227 | int class_w_users; |
| 228 | unsigned int fll_fref; |
| 229 | unsigned int fll_fout; |
| 230 | }; |
| 231 | |
| 232 | static unsigned int wm8993_read_hw(struct snd_soc_codec *codec, u8 reg) |
| 233 | { |
| 234 | struct i2c_msg xfer[2]; |
| 235 | u16 data; |
| 236 | int ret; |
| 237 | struct i2c_client *i2c = codec->control_data; |
| 238 | |
| 239 | /* Write register */ |
| 240 | xfer[0].addr = i2c->addr; |
| 241 | xfer[0].flags = 0; |
| 242 | xfer[0].len = 1; |
| 243 | xfer[0].buf = ® |
| 244 | |
| 245 | /* Read data */ |
| 246 | xfer[1].addr = i2c->addr; |
| 247 | xfer[1].flags = I2C_M_RD; |
| 248 | xfer[1].len = 2; |
| 249 | xfer[1].buf = (u8 *)&data; |
| 250 | |
| 251 | ret = i2c_transfer(i2c->adapter, xfer, 2); |
| 252 | if (ret != 2) { |
| 253 | dev_err(codec->dev, "Failed to read 0x%x: %d\n", reg, ret); |
| 254 | return 0; |
| 255 | } |
| 256 | |
| 257 | return (data >> 8) | ((data & 0xff) << 8); |
| 258 | } |
| 259 | |
| 260 | static int wm8993_volatile(unsigned int reg) |
| 261 | { |
| 262 | switch (reg) { |
| 263 | case WM8993_SOFTWARE_RESET: |
| 264 | case WM8993_DC_SERVO_0: |
| 265 | case WM8993_DC_SERVO_READBACK_0: |
| 266 | case WM8993_DC_SERVO_READBACK_1: |
| 267 | case WM8993_DC_SERVO_READBACK_2: |
| 268 | return 1; |
| 269 | default: |
| 270 | return 0; |
| 271 | } |
| 272 | } |
| 273 | |
| 274 | static unsigned int wm8993_read(struct snd_soc_codec *codec, |
| 275 | unsigned int reg) |
| 276 | { |
| 277 | u16 *reg_cache = codec->reg_cache; |
| 278 | |
| 279 | BUG_ON(reg > WM8993_MAX_REGISTER); |
| 280 | |
| 281 | if (wm8993_volatile(reg)) |
| 282 | return wm8993_read_hw(codec, reg); |
| 283 | else |
| 284 | return reg_cache[reg]; |
| 285 | } |
| 286 | |
| 287 | static int wm8993_write(struct snd_soc_codec *codec, unsigned int reg, |
| 288 | unsigned int value) |
| 289 | { |
| 290 | u16 *reg_cache = codec->reg_cache; |
| 291 | u8 data[3]; |
| 292 | int ret; |
| 293 | |
| 294 | BUG_ON(reg > WM8993_MAX_REGISTER); |
| 295 | |
| 296 | /* data is |
| 297 | * D15..D9 WM8993 register offset |
| 298 | * D8...D0 register data |
| 299 | */ |
| 300 | data[0] = reg; |
| 301 | data[1] = value >> 8; |
| 302 | data[2] = value & 0x00ff; |
| 303 | |
| 304 | if (!wm8993_volatile(reg)) |
| 305 | reg_cache[reg] = value; |
| 306 | |
| 307 | ret = codec->hw_write(codec->control_data, data, 3); |
| 308 | |
| 309 | if (ret == 3) |
| 310 | return 0; |
| 311 | if (ret < 0) |
| 312 | return ret; |
| 313 | return -EIO; |
| 314 | } |
| 315 | |
| 316 | struct _fll_div { |
| 317 | u16 fll_fratio; |
| 318 | u16 fll_outdiv; |
| 319 | u16 fll_clk_ref_div; |
| 320 | u16 n; |
| 321 | u16 k; |
| 322 | }; |
| 323 | |
| 324 | /* The size in bits of the FLL divide multiplied by 10 |
| 325 | * to allow rounding later */ |
| 326 | #define FIXED_FLL_SIZE ((1 << 16) * 10) |
| 327 | |
| 328 | static struct { |
| 329 | unsigned int min; |
| 330 | unsigned int max; |
| 331 | u16 fll_fratio; |
| 332 | int ratio; |
| 333 | } fll_fratios[] = { |
| 334 | { 0, 64000, 4, 16 }, |
| 335 | { 64000, 128000, 3, 8 }, |
| 336 | { 128000, 256000, 2, 4 }, |
| 337 | { 256000, 1000000, 1, 2 }, |
| 338 | { 1000000, 13500000, 0, 1 }, |
| 339 | }; |
| 340 | |
| 341 | static int fll_factors(struct _fll_div *fll_div, unsigned int Fref, |
| 342 | unsigned int Fout) |
| 343 | { |
| 344 | u64 Kpart; |
| 345 | unsigned int K, Ndiv, Nmod, target; |
| 346 | unsigned int div; |
| 347 | int i; |
| 348 | |
| 349 | /* Fref must be <=13.5MHz */ |
| 350 | div = 1; |
Mark Brown | 0c11f65 | 2009-07-17 22:13:01 +0100 | [diff] [blame] | 351 | fll_div->fll_clk_ref_div = 0; |
Mark Brown | 942c435 | 2009-06-05 16:32:59 +0100 | [diff] [blame] | 352 | while ((Fref / div) > 13500000) { |
| 353 | div *= 2; |
Mark Brown | 0c11f65 | 2009-07-17 22:13:01 +0100 | [diff] [blame] | 354 | fll_div->fll_clk_ref_div++; |
Mark Brown | 942c435 | 2009-06-05 16:32:59 +0100 | [diff] [blame] | 355 | |
| 356 | if (div > 8) { |
| 357 | pr_err("Can't scale %dMHz input down to <=13.5MHz\n", |
| 358 | Fref); |
| 359 | return -EINVAL; |
| 360 | } |
| 361 | } |
| 362 | |
| 363 | pr_debug("Fref=%u Fout=%u\n", Fref, Fout); |
| 364 | |
| 365 | /* Apply the division for our remaining calculations */ |
| 366 | Fref /= div; |
| 367 | |
| 368 | /* Fvco should be 90-100MHz; don't check the upper bound */ |
| 369 | div = 0; |
| 370 | target = Fout * 2; |
| 371 | while (target < 90000000) { |
| 372 | div++; |
| 373 | target *= 2; |
| 374 | if (div > 7) { |
| 375 | pr_err("Unable to find FLL_OUTDIV for Fout=%uHz\n", |
| 376 | Fout); |
| 377 | return -EINVAL; |
| 378 | } |
| 379 | } |
| 380 | fll_div->fll_outdiv = div; |
| 381 | |
| 382 | pr_debug("Fvco=%dHz\n", target); |
| 383 | |
| 384 | /* Find an appropraite FLL_FRATIO and factor it out of the target */ |
| 385 | for (i = 0; i < ARRAY_SIZE(fll_fratios); i++) { |
| 386 | if (fll_fratios[i].min <= Fref && Fref <= fll_fratios[i].max) { |
| 387 | fll_div->fll_fratio = fll_fratios[i].fll_fratio; |
| 388 | target /= fll_fratios[i].ratio; |
| 389 | break; |
| 390 | } |
| 391 | } |
| 392 | if (i == ARRAY_SIZE(fll_fratios)) { |
| 393 | pr_err("Unable to find FLL_FRATIO for Fref=%uHz\n", Fref); |
| 394 | return -EINVAL; |
| 395 | } |
| 396 | |
| 397 | /* Now, calculate N.K */ |
| 398 | Ndiv = target / Fref; |
| 399 | |
| 400 | fll_div->n = Ndiv; |
| 401 | Nmod = target % Fref; |
| 402 | pr_debug("Nmod=%d\n", Nmod); |
| 403 | |
| 404 | /* Calculate fractional part - scale up so we can round. */ |
| 405 | Kpart = FIXED_FLL_SIZE * (long long)Nmod; |
| 406 | |
| 407 | do_div(Kpart, Fref); |
| 408 | |
| 409 | K = Kpart & 0xFFFFFFFF; |
| 410 | |
| 411 | if ((K % 10) >= 5) |
| 412 | K += 5; |
| 413 | |
| 414 | /* Move down to proper range now rounding is done */ |
| 415 | fll_div->k = K / 10; |
| 416 | |
| 417 | pr_debug("N=%x K=%x FLL_FRATIO=%x FLL_OUTDIV=%x FLL_CLK_REF_DIV=%x\n", |
| 418 | fll_div->n, fll_div->k, |
| 419 | fll_div->fll_fratio, fll_div->fll_outdiv, |
| 420 | fll_div->fll_clk_ref_div); |
| 421 | |
| 422 | return 0; |
| 423 | } |
| 424 | |
Mark Brown | 8548803 | 2009-09-05 18:52:16 +0100 | [diff] [blame] | 425 | static int wm8993_set_fll(struct snd_soc_dai *dai, int fll_id, int source, |
Mark Brown | 942c435 | 2009-06-05 16:32:59 +0100 | [diff] [blame] | 426 | unsigned int Fref, unsigned int Fout) |
| 427 | { |
| 428 | struct snd_soc_codec *codec = dai->codec; |
| 429 | struct wm8993_priv *wm8993 = codec->private_data; |
| 430 | u16 reg1, reg4, reg5; |
| 431 | struct _fll_div fll_div; |
| 432 | int ret; |
| 433 | |
| 434 | /* Any change? */ |
| 435 | if (Fref == wm8993->fll_fref && Fout == wm8993->fll_fout) |
| 436 | return 0; |
| 437 | |
| 438 | /* Disable the FLL */ |
| 439 | if (Fout == 0) { |
| 440 | dev_dbg(codec->dev, "FLL disabled\n"); |
| 441 | wm8993->fll_fref = 0; |
| 442 | wm8993->fll_fout = 0; |
| 443 | |
| 444 | reg1 = wm8993_read(codec, WM8993_FLL_CONTROL_1); |
| 445 | reg1 &= ~WM8993_FLL_ENA; |
| 446 | wm8993_write(codec, WM8993_FLL_CONTROL_1, reg1); |
| 447 | |
| 448 | return 0; |
| 449 | } |
| 450 | |
| 451 | ret = fll_factors(&fll_div, Fref, Fout); |
| 452 | if (ret != 0) |
| 453 | return ret; |
| 454 | |
| 455 | reg5 = wm8993_read(codec, WM8993_FLL_CONTROL_5); |
| 456 | reg5 &= ~WM8993_FLL_CLK_SRC_MASK; |
| 457 | |
| 458 | switch (fll_id) { |
| 459 | case WM8993_FLL_MCLK: |
| 460 | break; |
| 461 | |
| 462 | case WM8993_FLL_LRCLK: |
| 463 | reg5 |= 1; |
| 464 | break; |
| 465 | |
| 466 | case WM8993_FLL_BCLK: |
| 467 | reg5 |= 2; |
| 468 | break; |
| 469 | |
| 470 | default: |
| 471 | dev_err(codec->dev, "Unknown FLL ID %d\n", fll_id); |
| 472 | return -EINVAL; |
| 473 | } |
| 474 | |
| 475 | /* Any FLL configuration change requires that the FLL be |
| 476 | * disabled first. */ |
| 477 | reg1 = wm8993_read(codec, WM8993_FLL_CONTROL_1); |
| 478 | reg1 &= ~WM8993_FLL_ENA; |
| 479 | wm8993_write(codec, WM8993_FLL_CONTROL_1, reg1); |
| 480 | |
| 481 | /* Apply the configuration */ |
| 482 | if (fll_div.k) |
| 483 | reg1 |= WM8993_FLL_FRAC_MASK; |
| 484 | else |
| 485 | reg1 &= ~WM8993_FLL_FRAC_MASK; |
| 486 | wm8993_write(codec, WM8993_FLL_CONTROL_1, reg1); |
| 487 | |
| 488 | wm8993_write(codec, WM8993_FLL_CONTROL_2, |
| 489 | (fll_div.fll_outdiv << WM8993_FLL_OUTDIV_SHIFT) | |
| 490 | (fll_div.fll_fratio << WM8993_FLL_FRATIO_SHIFT)); |
| 491 | wm8993_write(codec, WM8993_FLL_CONTROL_3, fll_div.k); |
| 492 | |
| 493 | reg4 = wm8993_read(codec, WM8993_FLL_CONTROL_4); |
| 494 | reg4 &= ~WM8993_FLL_N_MASK; |
| 495 | reg4 |= fll_div.n << WM8993_FLL_N_SHIFT; |
| 496 | wm8993_write(codec, WM8993_FLL_CONTROL_4, reg4); |
| 497 | |
| 498 | reg5 &= ~WM8993_FLL_CLK_REF_DIV_MASK; |
| 499 | reg5 |= fll_div.fll_clk_ref_div << WM8993_FLL_CLK_REF_DIV_SHIFT; |
| 500 | wm8993_write(codec, WM8993_FLL_CONTROL_5, reg5); |
| 501 | |
| 502 | /* Enable the FLL */ |
| 503 | wm8993_write(codec, WM8993_FLL_CONTROL_1, reg1 | WM8993_FLL_ENA); |
| 504 | |
| 505 | dev_dbg(codec->dev, "FLL enabled at %dHz->%dHz\n", Fref, Fout); |
| 506 | |
| 507 | wm8993->fll_fref = Fref; |
| 508 | wm8993->fll_fout = Fout; |
| 509 | |
| 510 | return 0; |
| 511 | } |
| 512 | |
| 513 | static int configure_clock(struct snd_soc_codec *codec) |
| 514 | { |
| 515 | struct wm8993_priv *wm8993 = codec->private_data; |
| 516 | unsigned int reg; |
| 517 | |
| 518 | /* This should be done on init() for bypass paths */ |
| 519 | switch (wm8993->sysclk_source) { |
| 520 | case WM8993_SYSCLK_MCLK: |
| 521 | dev_dbg(codec->dev, "Using %dHz MCLK\n", wm8993->mclk_rate); |
| 522 | |
| 523 | reg = wm8993_read(codec, WM8993_CLOCKING_2); |
Mark Brown | 0182dcc | 2009-08-17 18:51:44 +0100 | [diff] [blame] | 524 | reg &= ~(WM8993_MCLK_DIV | WM8993_SYSCLK_SRC); |
Mark Brown | 942c435 | 2009-06-05 16:32:59 +0100 | [diff] [blame] | 525 | if (wm8993->mclk_rate > 13500000) { |
| 526 | reg |= WM8993_MCLK_DIV; |
| 527 | wm8993->sysclk_rate = wm8993->mclk_rate / 2; |
| 528 | } else { |
| 529 | reg &= ~WM8993_MCLK_DIV; |
| 530 | wm8993->sysclk_rate = wm8993->mclk_rate; |
| 531 | } |
Mark Brown | 942c435 | 2009-06-05 16:32:59 +0100 | [diff] [blame] | 532 | wm8993_write(codec, WM8993_CLOCKING_2, reg); |
| 533 | break; |
| 534 | |
| 535 | case WM8993_SYSCLK_FLL: |
| 536 | dev_dbg(codec->dev, "Using %dHz FLL clock\n", |
| 537 | wm8993->fll_fout); |
| 538 | |
| 539 | reg = wm8993_read(codec, WM8993_CLOCKING_2); |
| 540 | reg |= WM8993_SYSCLK_SRC; |
| 541 | if (wm8993->fll_fout > 13500000) { |
| 542 | reg |= WM8993_MCLK_DIV; |
| 543 | wm8993->sysclk_rate = wm8993->fll_fout / 2; |
| 544 | } else { |
| 545 | reg &= ~WM8993_MCLK_DIV; |
| 546 | wm8993->sysclk_rate = wm8993->fll_fout; |
| 547 | } |
| 548 | wm8993_write(codec, WM8993_CLOCKING_2, reg); |
| 549 | break; |
| 550 | |
| 551 | default: |
| 552 | dev_err(codec->dev, "System clock not configured\n"); |
| 553 | return -EINVAL; |
| 554 | } |
| 555 | |
| 556 | dev_dbg(codec->dev, "CLK_SYS is %dHz\n", wm8993->sysclk_rate); |
| 557 | |
| 558 | return 0; |
| 559 | } |
| 560 | |
Mark Brown | 942c435 | 2009-06-05 16:32:59 +0100 | [diff] [blame] | 561 | static const DECLARE_TLV_DB_SCALE(sidetone_tlv, -3600, 300, 0); |
| 562 | static const DECLARE_TLV_DB_SCALE(drc_comp_threash, -4500, 75, 0); |
| 563 | static const DECLARE_TLV_DB_SCALE(drc_comp_amp, -2250, 75, 0); |
| 564 | static const DECLARE_TLV_DB_SCALE(drc_min_tlv, -1800, 600, 0); |
| 565 | static const unsigned int drc_max_tlv[] = { |
| 566 | TLV_DB_RANGE_HEAD(4), |
| 567 | 0, 2, TLV_DB_SCALE_ITEM(1200, 600, 0), |
| 568 | 3, 3, TLV_DB_SCALE_ITEM(3600, 0, 0), |
| 569 | }; |
| 570 | static const DECLARE_TLV_DB_SCALE(drc_qr_tlv, 1200, 600, 0); |
| 571 | static const DECLARE_TLV_DB_SCALE(drc_startup_tlv, -1800, 300, 0); |
| 572 | static const DECLARE_TLV_DB_SCALE(eq_tlv, -1200, 100, 0); |
| 573 | static const DECLARE_TLV_DB_SCALE(digital_tlv, -7200, 75, 1); |
| 574 | static const DECLARE_TLV_DB_SCALE(dac_boost_tlv, 0, 600, 0); |
Mark Brown | 942c435 | 2009-06-05 16:32:59 +0100 | [diff] [blame] | 575 | |
| 576 | static const char *dac_deemph_text[] = { |
| 577 | "None", |
| 578 | "32kHz", |
| 579 | "44.1kHz", |
| 580 | "48kHz", |
| 581 | }; |
| 582 | |
| 583 | static const struct soc_enum dac_deemph = |
| 584 | SOC_ENUM_SINGLE(WM8993_DAC_CTRL, 4, 4, dac_deemph_text); |
| 585 | |
| 586 | static const char *adc_hpf_text[] = { |
| 587 | "Hi-Fi", |
| 588 | "Voice 1", |
| 589 | "Voice 2", |
| 590 | "Voice 3", |
| 591 | }; |
| 592 | |
| 593 | static const struct soc_enum adc_hpf = |
| 594 | SOC_ENUM_SINGLE(WM8993_ADC_CTRL, 5, 4, adc_hpf_text); |
| 595 | |
| 596 | static const char *drc_path_text[] = { |
| 597 | "ADC", |
| 598 | "DAC" |
| 599 | }; |
| 600 | |
| 601 | static const struct soc_enum drc_path = |
| 602 | SOC_ENUM_SINGLE(WM8993_DRC_CONTROL_1, 14, 2, drc_path_text); |
| 603 | |
| 604 | static const char *drc_r0_text[] = { |
| 605 | "1", |
| 606 | "1/2", |
| 607 | "1/4", |
| 608 | "1/8", |
| 609 | "1/16", |
| 610 | "0", |
| 611 | }; |
| 612 | |
| 613 | static const struct soc_enum drc_r0 = |
| 614 | SOC_ENUM_SINGLE(WM8993_DRC_CONTROL_3, 8, 6, drc_r0_text); |
| 615 | |
| 616 | static const char *drc_r1_text[] = { |
| 617 | "1", |
| 618 | "1/2", |
| 619 | "1/4", |
| 620 | "1/8", |
| 621 | "0", |
| 622 | }; |
| 623 | |
| 624 | static const struct soc_enum drc_r1 = |
| 625 | SOC_ENUM_SINGLE(WM8993_DRC_CONTROL_4, 13, 5, drc_r1_text); |
| 626 | |
| 627 | static const char *drc_attack_text[] = { |
| 628 | "Reserved", |
| 629 | "181us", |
| 630 | "363us", |
| 631 | "726us", |
| 632 | "1.45ms", |
| 633 | "2.9ms", |
| 634 | "5.8ms", |
| 635 | "11.6ms", |
| 636 | "23.2ms", |
| 637 | "46.4ms", |
| 638 | "92.8ms", |
| 639 | "185.6ms", |
| 640 | }; |
| 641 | |
| 642 | static const struct soc_enum drc_attack = |
| 643 | SOC_ENUM_SINGLE(WM8993_DRC_CONTROL_2, 12, 12, drc_attack_text); |
| 644 | |
| 645 | static const char *drc_decay_text[] = { |
| 646 | "186ms", |
| 647 | "372ms", |
| 648 | "743ms", |
| 649 | "1.49s", |
| 650 | "2.97ms", |
| 651 | "5.94ms", |
| 652 | "11.89ms", |
| 653 | "23.78ms", |
| 654 | "47.56ms", |
| 655 | }; |
| 656 | |
| 657 | static const struct soc_enum drc_decay = |
| 658 | SOC_ENUM_SINGLE(WM8993_DRC_CONTROL_2, 8, 9, drc_decay_text); |
| 659 | |
| 660 | static const char *drc_ff_text[] = { |
| 661 | "5 samples", |
| 662 | "9 samples", |
| 663 | }; |
| 664 | |
| 665 | static const struct soc_enum drc_ff = |
| 666 | SOC_ENUM_SINGLE(WM8993_DRC_CONTROL_3, 7, 2, drc_ff_text); |
| 667 | |
| 668 | static const char *drc_qr_rate_text[] = { |
| 669 | "0.725ms", |
| 670 | "1.45ms", |
| 671 | "5.8ms", |
| 672 | }; |
| 673 | |
| 674 | static const struct soc_enum drc_qr_rate = |
| 675 | SOC_ENUM_SINGLE(WM8993_DRC_CONTROL_3, 0, 3, drc_qr_rate_text); |
| 676 | |
| 677 | static const char *drc_smooth_text[] = { |
| 678 | "Low", |
| 679 | "Medium", |
| 680 | "High", |
| 681 | }; |
| 682 | |
| 683 | static const struct soc_enum drc_smooth = |
| 684 | SOC_ENUM_SINGLE(WM8993_DRC_CONTROL_1, 4, 3, drc_smooth_text); |
| 685 | |
Mark Brown | 942c435 | 2009-06-05 16:32:59 +0100 | [diff] [blame] | 686 | static const struct snd_kcontrol_new wm8993_snd_controls[] = { |
Mark Brown | 942c435 | 2009-06-05 16:32:59 +0100 | [diff] [blame] | 687 | SOC_DOUBLE_TLV("Digital Sidetone Volume", WM8993_DIGITAL_SIDE_TONE, |
| 688 | 5, 9, 12, 0, sidetone_tlv), |
| 689 | |
| 690 | SOC_SINGLE("DRC Switch", WM8993_DRC_CONTROL_1, 15, 1, 0), |
| 691 | SOC_ENUM("DRC Path", drc_path), |
| 692 | SOC_SINGLE_TLV("DRC Compressor Threashold Volume", WM8993_DRC_CONTROL_2, |
| 693 | 2, 60, 1, drc_comp_threash), |
| 694 | SOC_SINGLE_TLV("DRC Compressor Amplitude Volume", WM8993_DRC_CONTROL_3, |
| 695 | 11, 30, 1, drc_comp_amp), |
| 696 | SOC_ENUM("DRC R0", drc_r0), |
| 697 | SOC_ENUM("DRC R1", drc_r1), |
| 698 | SOC_SINGLE_TLV("DRC Minimum Volume", WM8993_DRC_CONTROL_1, 2, 3, 1, |
| 699 | drc_min_tlv), |
| 700 | SOC_SINGLE_TLV("DRC Maximum Volume", WM8993_DRC_CONTROL_1, 0, 3, 0, |
| 701 | drc_max_tlv), |
| 702 | SOC_ENUM("DRC Attack Rate", drc_attack), |
| 703 | SOC_ENUM("DRC Decay Rate", drc_decay), |
| 704 | SOC_ENUM("DRC FF Delay", drc_ff), |
| 705 | SOC_SINGLE("DRC Anti-clip Switch", WM8993_DRC_CONTROL_1, 9, 1, 0), |
| 706 | SOC_SINGLE("DRC Quick Release Switch", WM8993_DRC_CONTROL_1, 10, 1, 0), |
| 707 | SOC_SINGLE_TLV("DRC Quick Release Volume", WM8993_DRC_CONTROL_3, 2, 3, 0, |
| 708 | drc_qr_tlv), |
| 709 | SOC_ENUM("DRC Quick Release Rate", drc_qr_rate), |
| 710 | SOC_SINGLE("DRC Smoothing Switch", WM8993_DRC_CONTROL_1, 11, 1, 0), |
| 711 | SOC_SINGLE("DRC Smoothing Hysteresis Switch", WM8993_DRC_CONTROL_1, 8, 1, 0), |
| 712 | SOC_ENUM("DRC Smoothing Hysteresis Threashold", drc_smooth), |
| 713 | SOC_SINGLE_TLV("DRC Startup Volume", WM8993_DRC_CONTROL_4, 8, 18, 0, |
| 714 | drc_startup_tlv), |
| 715 | |
| 716 | SOC_SINGLE("EQ Switch", WM8993_EQ1, 0, 1, 0), |
| 717 | |
| 718 | SOC_DOUBLE_R_TLV("Capture Volume", WM8993_LEFT_ADC_DIGITAL_VOLUME, |
| 719 | WM8993_RIGHT_ADC_DIGITAL_VOLUME, 1, 96, 0, digital_tlv), |
| 720 | SOC_SINGLE("ADC High Pass Filter Switch", WM8993_ADC_CTRL, 8, 1, 0), |
| 721 | SOC_ENUM("ADC High Pass Filter Mode", adc_hpf), |
| 722 | |
| 723 | SOC_DOUBLE_R_TLV("Playback Volume", WM8993_LEFT_DAC_DIGITAL_VOLUME, |
| 724 | WM8993_RIGHT_DAC_DIGITAL_VOLUME, 1, 96, 0, digital_tlv), |
| 725 | SOC_SINGLE_TLV("Playback Boost Volume", WM8993_AUDIO_INTERFACE_2, 10, 3, 0, |
| 726 | dac_boost_tlv), |
| 727 | SOC_ENUM("DAC Deemphasis", dac_deemph), |
| 728 | |
Mark Brown | 942c435 | 2009-06-05 16:32:59 +0100 | [diff] [blame] | 729 | SOC_SINGLE_TLV("SPKL DAC Volume", WM8993_SPKMIXL_ATTENUATION, |
Mark Brown | a2342ae | 2009-07-29 21:21:49 +0100 | [diff] [blame] | 730 | 2, 1, 1, wm_hubs_spkmix_tlv), |
Mark Brown | 942c435 | 2009-06-05 16:32:59 +0100 | [diff] [blame] | 731 | |
Mark Brown | 942c435 | 2009-06-05 16:32:59 +0100 | [diff] [blame] | 732 | SOC_SINGLE_TLV("SPKR DAC Volume", WM8993_SPKMIXR_ATTENUATION, |
Mark Brown | a2342ae | 2009-07-29 21:21:49 +0100 | [diff] [blame] | 733 | 2, 1, 1, wm_hubs_spkmix_tlv), |
Mark Brown | 942c435 | 2009-06-05 16:32:59 +0100 | [diff] [blame] | 734 | }; |
| 735 | |
| 736 | static const struct snd_kcontrol_new wm8993_eq_controls[] = { |
| 737 | SOC_SINGLE_TLV("EQ1 Volume", WM8993_EQ2, 0, 24, 0, eq_tlv), |
| 738 | SOC_SINGLE_TLV("EQ2 Volume", WM8993_EQ3, 0, 24, 0, eq_tlv), |
| 739 | SOC_SINGLE_TLV("EQ3 Volume", WM8993_EQ4, 0, 24, 0, eq_tlv), |
| 740 | SOC_SINGLE_TLV("EQ4 Volume", WM8993_EQ5, 0, 24, 0, eq_tlv), |
| 741 | SOC_SINGLE_TLV("EQ5 Volume", WM8993_EQ6, 0, 24, 0, eq_tlv), |
| 742 | }; |
| 743 | |
Mark Brown | 942c435 | 2009-06-05 16:32:59 +0100 | [diff] [blame] | 744 | static int clk_sys_event(struct snd_soc_dapm_widget *w, |
| 745 | struct snd_kcontrol *kcontrol, int event) |
| 746 | { |
| 747 | struct snd_soc_codec *codec = w->codec; |
| 748 | |
| 749 | switch (event) { |
| 750 | case SND_SOC_DAPM_PRE_PMU: |
| 751 | return configure_clock(codec); |
| 752 | |
| 753 | case SND_SOC_DAPM_POST_PMD: |
| 754 | break; |
| 755 | } |
| 756 | |
| 757 | return 0; |
| 758 | } |
| 759 | |
| 760 | /* |
| 761 | * When used with DAC outputs only the WM8993 charge pump supports |
| 762 | * operation in class W mode, providing very low power consumption |
| 763 | * when used with digital sources. Enable and disable this mode |
| 764 | * automatically depending on the mixer configuration. |
| 765 | * |
| 766 | * Currently the only supported paths are the direct DAC->headphone |
| 767 | * paths (which provide minimum power consumption anyway). |
| 768 | */ |
Mark Brown | a2342ae | 2009-07-29 21:21:49 +0100 | [diff] [blame] | 769 | static int class_w_put(struct snd_kcontrol *kcontrol, |
| 770 | struct snd_ctl_elem_value *ucontrol) |
Mark Brown | 942c435 | 2009-06-05 16:32:59 +0100 | [diff] [blame] | 771 | { |
| 772 | struct snd_soc_dapm_widget *widget = snd_kcontrol_chip(kcontrol); |
| 773 | struct snd_soc_codec *codec = widget->codec; |
| 774 | struct wm8993_priv *wm8993 = codec->private_data; |
| 775 | int ret; |
| 776 | |
| 777 | /* Turn it off if we're using the main output mixer */ |
| 778 | if (ucontrol->value.integer.value[0] == 0) { |
| 779 | if (wm8993->class_w_users == 0) { |
| 780 | dev_dbg(codec->dev, "Disabling Class W\n"); |
| 781 | snd_soc_update_bits(codec, WM8993_CLASS_W_0, |
| 782 | WM8993_CP_DYN_FREQ | |
| 783 | WM8993_CP_DYN_V, |
| 784 | 0); |
| 785 | } |
| 786 | wm8993->class_w_users++; |
| 787 | } |
| 788 | |
| 789 | /* Implement the change */ |
| 790 | ret = snd_soc_dapm_put_enum_double(kcontrol, ucontrol); |
| 791 | |
| 792 | /* Enable it if we're using the direct DAC path */ |
| 793 | if (ucontrol->value.integer.value[0] == 1) { |
| 794 | if (wm8993->class_w_users == 1) { |
| 795 | dev_dbg(codec->dev, "Enabling Class W\n"); |
| 796 | snd_soc_update_bits(codec, WM8993_CLASS_W_0, |
| 797 | WM8993_CP_DYN_FREQ | |
| 798 | WM8993_CP_DYN_V, |
| 799 | WM8993_CP_DYN_FREQ | |
| 800 | WM8993_CP_DYN_V); |
| 801 | } |
| 802 | wm8993->class_w_users--; |
| 803 | } |
| 804 | |
| 805 | dev_dbg(codec->dev, "Indirect DAC use count now %d\n", |
| 806 | wm8993->class_w_users); |
| 807 | |
| 808 | return ret; |
| 809 | } |
| 810 | |
| 811 | #define SOC_DAPM_ENUM_W(xname, xenum) \ |
| 812 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ |
| 813 | .info = snd_soc_info_enum_double, \ |
| 814 | .get = snd_soc_dapm_get_enum_double, \ |
Mark Brown | a2342ae | 2009-07-29 21:21:49 +0100 | [diff] [blame] | 815 | .put = class_w_put, \ |
Mark Brown | 942c435 | 2009-06-05 16:32:59 +0100 | [diff] [blame] | 816 | .private_value = (unsigned long)&xenum } |
| 817 | |
Mark Brown | 942c435 | 2009-06-05 16:32:59 +0100 | [diff] [blame] | 818 | static const char *hp_mux_text[] = { |
| 819 | "Mixer", |
| 820 | "DAC", |
| 821 | }; |
| 822 | |
| 823 | static const struct soc_enum hpl_enum = |
| 824 | SOC_ENUM_SINGLE(WM8993_OUTPUT_MIXER1, 8, 2, hp_mux_text); |
| 825 | |
| 826 | static const struct snd_kcontrol_new hpl_mux = |
| 827 | SOC_DAPM_ENUM_W("Left Headphone Mux", hpl_enum); |
| 828 | |
| 829 | static const struct soc_enum hpr_enum = |
| 830 | SOC_ENUM_SINGLE(WM8993_OUTPUT_MIXER2, 8, 2, hp_mux_text); |
| 831 | |
| 832 | static const struct snd_kcontrol_new hpr_mux = |
| 833 | SOC_DAPM_ENUM_W("Right Headphone Mux", hpr_enum); |
| 834 | |
Mark Brown | a2342ae | 2009-07-29 21:21:49 +0100 | [diff] [blame] | 835 | static const struct snd_kcontrol_new left_speaker_mixer[] = { |
| 836 | SOC_DAPM_SINGLE("Input Switch", WM8993_SPEAKER_MIXER, 7, 1, 0), |
| 837 | SOC_DAPM_SINGLE("IN1LP Switch", WM8993_SPEAKER_MIXER, 5, 1, 0), |
| 838 | SOC_DAPM_SINGLE("Output Switch", WM8993_SPEAKER_MIXER, 3, 1, 0), |
| 839 | SOC_DAPM_SINGLE("DAC Switch", WM8993_SPEAKER_MIXER, 6, 1, 0), |
Mark Brown | 942c435 | 2009-06-05 16:32:59 +0100 | [diff] [blame] | 840 | }; |
| 841 | |
Mark Brown | a2342ae | 2009-07-29 21:21:49 +0100 | [diff] [blame] | 842 | static const struct snd_kcontrol_new right_speaker_mixer[] = { |
| 843 | SOC_DAPM_SINGLE("Input Switch", WM8993_SPEAKER_MIXER, 6, 1, 0), |
| 844 | SOC_DAPM_SINGLE("IN1RP Switch", WM8993_SPEAKER_MIXER, 4, 1, 0), |
| 845 | SOC_DAPM_SINGLE("Output Switch", WM8993_SPEAKER_MIXER, 2, 1, 0), |
| 846 | SOC_DAPM_SINGLE("DAC Switch", WM8993_SPEAKER_MIXER, 0, 1, 0), |
Mark Brown | 942c435 | 2009-06-05 16:32:59 +0100 | [diff] [blame] | 847 | }; |
| 848 | |
Mark Brown | 59ae07a | 2009-08-18 16:01:57 +0100 | [diff] [blame] | 849 | static const char *aif_text[] = { |
| 850 | "Left", "Right" |
| 851 | }; |
| 852 | |
| 853 | static const struct soc_enum aifoutl_enum = |
| 854 | SOC_ENUM_SINGLE(WM8993_AUDIO_INTERFACE_1, 15, 2, aif_text); |
| 855 | |
| 856 | static const struct snd_kcontrol_new aifoutl_mux = |
| 857 | SOC_DAPM_ENUM("AIFOUTL Mux", aifoutl_enum); |
| 858 | |
| 859 | static const struct soc_enum aifoutr_enum = |
| 860 | SOC_ENUM_SINGLE(WM8993_AUDIO_INTERFACE_1, 14, 2, aif_text); |
| 861 | |
| 862 | static const struct snd_kcontrol_new aifoutr_mux = |
| 863 | SOC_DAPM_ENUM("AIFOUTR Mux", aifoutr_enum); |
| 864 | |
| 865 | static const struct soc_enum aifinl_enum = |
| 866 | SOC_ENUM_SINGLE(WM8993_AUDIO_INTERFACE_2, 15, 2, aif_text); |
| 867 | |
| 868 | static const struct snd_kcontrol_new aifinl_mux = |
| 869 | SOC_DAPM_ENUM("AIFINL Mux", aifinl_enum); |
| 870 | |
| 871 | static const struct soc_enum aifinr_enum = |
| 872 | SOC_ENUM_SINGLE(WM8993_AUDIO_INTERFACE_2, 14, 2, aif_text); |
| 873 | |
| 874 | static const struct snd_kcontrol_new aifinr_mux = |
| 875 | SOC_DAPM_ENUM("AIFINR Mux", aifinr_enum); |
| 876 | |
| 877 | static const char *sidetone_text[] = { |
| 878 | "None", "Left", "Right" |
| 879 | }; |
| 880 | |
| 881 | static const struct soc_enum sidetonel_enum = |
| 882 | SOC_ENUM_SINGLE(WM8993_DIGITAL_SIDE_TONE, 2, 3, sidetone_text); |
| 883 | |
| 884 | static const struct snd_kcontrol_new sidetonel_mux = |
| 885 | SOC_DAPM_ENUM("Left Sidetone", sidetonel_enum); |
| 886 | |
| 887 | static const struct soc_enum sidetoner_enum = |
| 888 | SOC_ENUM_SINGLE(WM8993_DIGITAL_SIDE_TONE, 0, 3, sidetone_text); |
| 889 | |
| 890 | static const struct snd_kcontrol_new sidetoner_mux = |
| 891 | SOC_DAPM_ENUM("Right Sidetone", sidetoner_enum); |
| 892 | |
Mark Brown | 942c435 | 2009-06-05 16:32:59 +0100 | [diff] [blame] | 893 | static const struct snd_soc_dapm_widget wm8993_dapm_widgets[] = { |
Mark Brown | 942c435 | 2009-06-05 16:32:59 +0100 | [diff] [blame] | 894 | SND_SOC_DAPM_SUPPLY("CLK_SYS", WM8993_BUS_CONTROL_1, 1, 0, clk_sys_event, |
| 895 | SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), |
| 896 | SND_SOC_DAPM_SUPPLY("TOCLK", WM8993_CLOCKING_1, 14, 0, NULL, 0), |
| 897 | SND_SOC_DAPM_SUPPLY("CLK_DSP", WM8993_CLOCKING_3, 0, 0, NULL, 0), |
| 898 | |
Mark Brown | 59ae07a | 2009-08-18 16:01:57 +0100 | [diff] [blame] | 899 | SND_SOC_DAPM_ADC("ADCL", NULL, WM8993_POWER_MANAGEMENT_2, 1, 0), |
| 900 | SND_SOC_DAPM_ADC("ADCR", NULL, WM8993_POWER_MANAGEMENT_2, 0, 0), |
Mark Brown | 942c435 | 2009-06-05 16:32:59 +0100 | [diff] [blame] | 901 | |
Mark Brown | 59ae07a | 2009-08-18 16:01:57 +0100 | [diff] [blame] | 902 | SND_SOC_DAPM_MUX("AIFOUTL Mux", SND_SOC_NOPM, 0, 0, &aifoutl_mux), |
| 903 | SND_SOC_DAPM_MUX("AIFOUTR Mux", SND_SOC_NOPM, 0, 0, &aifoutr_mux), |
Mark Brown | 942c435 | 2009-06-05 16:32:59 +0100 | [diff] [blame] | 904 | |
Mark Brown | 59ae07a | 2009-08-18 16:01:57 +0100 | [diff] [blame] | 905 | SND_SOC_DAPM_AIF_OUT("AIFOUTL", "Capture", 0, SND_SOC_NOPM, 0, 0), |
| 906 | SND_SOC_DAPM_AIF_OUT("AIFOUTR", "Capture", 1, SND_SOC_NOPM, 0, 0), |
| 907 | |
| 908 | SND_SOC_DAPM_AIF_IN("AIFINL", "Playback", 0, SND_SOC_NOPM, 0, 0), |
| 909 | SND_SOC_DAPM_AIF_IN("AIFINR", "Playback", 1, SND_SOC_NOPM, 0, 0), |
| 910 | |
| 911 | SND_SOC_DAPM_MUX("DACL Mux", SND_SOC_NOPM, 0, 0, &aifinl_mux), |
| 912 | SND_SOC_DAPM_MUX("DACR Mux", SND_SOC_NOPM, 0, 0, &aifinr_mux), |
| 913 | |
| 914 | SND_SOC_DAPM_MUX("DACL Sidetone", SND_SOC_NOPM, 0, 0, &sidetonel_mux), |
| 915 | SND_SOC_DAPM_MUX("DACR Sidetone", SND_SOC_NOPM, 0, 0, &sidetoner_mux), |
| 916 | |
| 917 | SND_SOC_DAPM_DAC("DACL", NULL, WM8993_POWER_MANAGEMENT_3, 1, 0), |
| 918 | SND_SOC_DAPM_DAC("DACR", NULL, WM8993_POWER_MANAGEMENT_3, 0, 0), |
Mark Brown | 942c435 | 2009-06-05 16:32:59 +0100 | [diff] [blame] | 919 | |
Mark Brown | a2342ae | 2009-07-29 21:21:49 +0100 | [diff] [blame] | 920 | SND_SOC_DAPM_MUX("Left Headphone Mux", SND_SOC_NOPM, 0, 0, &hpl_mux), |
| 921 | SND_SOC_DAPM_MUX("Right Headphone Mux", SND_SOC_NOPM, 0, 0, &hpr_mux), |
Mark Brown | 942c435 | 2009-06-05 16:32:59 +0100 | [diff] [blame] | 922 | |
| 923 | SND_SOC_DAPM_MIXER("SPKL", WM8993_POWER_MANAGEMENT_3, 8, 0, |
| 924 | left_speaker_mixer, ARRAY_SIZE(left_speaker_mixer)), |
| 925 | SND_SOC_DAPM_MIXER("SPKR", WM8993_POWER_MANAGEMENT_3, 9, 0, |
| 926 | right_speaker_mixer, ARRAY_SIZE(right_speaker_mixer)), |
| 927 | |
Mark Brown | 942c435 | 2009-06-05 16:32:59 +0100 | [diff] [blame] | 928 | }; |
| 929 | |
| 930 | static const struct snd_soc_dapm_route routes[] = { |
Mark Brown | 942c435 | 2009-06-05 16:32:59 +0100 | [diff] [blame] | 931 | { "ADCL", NULL, "CLK_SYS" }, |
| 932 | { "ADCL", NULL, "CLK_DSP" }, |
Mark Brown | 942c435 | 2009-06-05 16:32:59 +0100 | [diff] [blame] | 933 | { "ADCR", NULL, "CLK_SYS" }, |
| 934 | { "ADCR", NULL, "CLK_DSP" }, |
| 935 | |
Mark Brown | 59ae07a | 2009-08-18 16:01:57 +0100 | [diff] [blame] | 936 | { "AIFOUTL Mux", "Left", "ADCL" }, |
| 937 | { "AIFOUTL Mux", "Right", "ADCR" }, |
| 938 | { "AIFOUTR Mux", "Left", "ADCL" }, |
| 939 | { "AIFOUTR Mux", "Right", "ADCR" }, |
| 940 | |
| 941 | { "AIFOUTL", NULL, "AIFOUTL Mux" }, |
| 942 | { "AIFOUTR", NULL, "AIFOUTR Mux" }, |
| 943 | |
| 944 | { "DACL Mux", "Left", "AIFINL" }, |
| 945 | { "DACL Mux", "Right", "AIFINR" }, |
| 946 | { "DACR Mux", "Left", "AIFINL" }, |
| 947 | { "DACR Mux", "Right", "AIFINR" }, |
| 948 | |
| 949 | { "DACL Sidetone", "Left", "ADCL" }, |
| 950 | { "DACL Sidetone", "Right", "ADCR" }, |
| 951 | { "DACR Sidetone", "Left", "ADCL" }, |
| 952 | { "DACR Sidetone", "Right", "ADCR" }, |
| 953 | |
Mark Brown | 942c435 | 2009-06-05 16:32:59 +0100 | [diff] [blame] | 954 | { "DACL", NULL, "CLK_SYS" }, |
| 955 | { "DACL", NULL, "CLK_DSP" }, |
Mark Brown | 59ae07a | 2009-08-18 16:01:57 +0100 | [diff] [blame] | 956 | { "DACL", NULL, "DACL Mux" }, |
| 957 | { "DACL", NULL, "DACL Sidetone" }, |
Mark Brown | 942c435 | 2009-06-05 16:32:59 +0100 | [diff] [blame] | 958 | { "DACR", NULL, "CLK_SYS" }, |
| 959 | { "DACR", NULL, "CLK_DSP" }, |
Mark Brown | 59ae07a | 2009-08-18 16:01:57 +0100 | [diff] [blame] | 960 | { "DACR", NULL, "DACR Mux" }, |
| 961 | { "DACR", NULL, "DACR Sidetone" }, |
Mark Brown | 942c435 | 2009-06-05 16:32:59 +0100 | [diff] [blame] | 962 | |
Mark Brown | 942c435 | 2009-06-05 16:32:59 +0100 | [diff] [blame] | 963 | { "Left Output Mixer", "DAC Switch", "DACL" }, |
| 964 | |
Mark Brown | 942c435 | 2009-06-05 16:32:59 +0100 | [diff] [blame] | 965 | { "Right Output Mixer", "DAC Switch", "DACR" }, |
| 966 | |
Mark Brown | 942c435 | 2009-06-05 16:32:59 +0100 | [diff] [blame] | 967 | { "Left Output PGA", NULL, "CLK_SYS" }, |
Mark Brown | 942c435 | 2009-06-05 16:32:59 +0100 | [diff] [blame] | 968 | |
Mark Brown | 942c435 | 2009-06-05 16:32:59 +0100 | [diff] [blame] | 969 | { "Right Output PGA", NULL, "CLK_SYS" }, |
Mark Brown | 942c435 | 2009-06-05 16:32:59 +0100 | [diff] [blame] | 970 | |
Mark Brown | 942c435 | 2009-06-05 16:32:59 +0100 | [diff] [blame] | 971 | { "SPKL", "DAC Switch", "DACL" }, |
| 972 | { "SPKL", NULL, "CLK_SYS" }, |
Mark Brown | 942c435 | 2009-06-05 16:32:59 +0100 | [diff] [blame] | 973 | |
Mark Brown | 942c435 | 2009-06-05 16:32:59 +0100 | [diff] [blame] | 974 | { "SPKR", "DAC Switch", "DACR" }, |
| 975 | { "SPKR", NULL, "CLK_SYS" }, |
Mark Brown | 942c435 | 2009-06-05 16:32:59 +0100 | [diff] [blame] | 976 | |
| 977 | { "Left Headphone Mux", "DAC", "DACL" }, |
Mark Brown | 942c435 | 2009-06-05 16:32:59 +0100 | [diff] [blame] | 978 | { "Right Headphone Mux", "DAC", "DACR" }, |
Mark Brown | 942c435 | 2009-06-05 16:32:59 +0100 | [diff] [blame] | 979 | }; |
| 980 | |
| 981 | static int wm8993_set_bias_level(struct snd_soc_codec *codec, |
| 982 | enum snd_soc_bias_level level) |
| 983 | { |
| 984 | struct wm8993_priv *wm8993 = codec->private_data; |
| 985 | |
| 986 | switch (level) { |
| 987 | case SND_SOC_BIAS_ON: |
| 988 | case SND_SOC_BIAS_PREPARE: |
| 989 | /* VMID=2*40k */ |
| 990 | snd_soc_update_bits(codec, WM8993_POWER_MANAGEMENT_1, |
| 991 | WM8993_VMID_SEL_MASK, 0x2); |
| 992 | snd_soc_update_bits(codec, WM8993_POWER_MANAGEMENT_2, |
| 993 | WM8993_TSHUT_ENA, WM8993_TSHUT_ENA); |
| 994 | break; |
| 995 | |
| 996 | case SND_SOC_BIAS_STANDBY: |
| 997 | if (codec->bias_level == SND_SOC_BIAS_OFF) { |
| 998 | /* Bring up VMID with fast soft start */ |
| 999 | snd_soc_update_bits(codec, WM8993_ANTIPOP2, |
| 1000 | WM8993_STARTUP_BIAS_ENA | |
| 1001 | WM8993_VMID_BUF_ENA | |
| 1002 | WM8993_VMID_RAMP_MASK | |
| 1003 | WM8993_BIAS_SRC, |
| 1004 | WM8993_STARTUP_BIAS_ENA | |
| 1005 | WM8993_VMID_BUF_ENA | |
| 1006 | WM8993_VMID_RAMP_MASK | |
| 1007 | WM8993_BIAS_SRC); |
| 1008 | |
| 1009 | /* If either line output is single ended we |
| 1010 | * need the VMID buffer */ |
| 1011 | if (!wm8993->pdata.lineout1_diff || |
| 1012 | !wm8993->pdata.lineout2_diff) |
| 1013 | snd_soc_update_bits(codec, WM8993_ANTIPOP1, |
| 1014 | WM8993_LINEOUT_VMID_BUF_ENA, |
| 1015 | WM8993_LINEOUT_VMID_BUF_ENA); |
| 1016 | |
| 1017 | /* VMID=2*40k */ |
| 1018 | snd_soc_update_bits(codec, WM8993_POWER_MANAGEMENT_1, |
| 1019 | WM8993_VMID_SEL_MASK | |
| 1020 | WM8993_BIAS_ENA, |
| 1021 | WM8993_BIAS_ENA | 0x2); |
| 1022 | msleep(32); |
| 1023 | |
| 1024 | /* Switch to normal bias */ |
| 1025 | snd_soc_update_bits(codec, WM8993_ANTIPOP2, |
| 1026 | WM8993_BIAS_SRC | |
| 1027 | WM8993_STARTUP_BIAS_ENA, 0); |
| 1028 | } |
| 1029 | |
| 1030 | /* VMID=2*240k */ |
| 1031 | snd_soc_update_bits(codec, WM8993_POWER_MANAGEMENT_1, |
| 1032 | WM8993_VMID_SEL_MASK, 0x4); |
| 1033 | |
| 1034 | snd_soc_update_bits(codec, WM8993_POWER_MANAGEMENT_2, |
| 1035 | WM8993_TSHUT_ENA, 0); |
| 1036 | break; |
| 1037 | |
| 1038 | case SND_SOC_BIAS_OFF: |
| 1039 | snd_soc_update_bits(codec, WM8993_ANTIPOP1, |
| 1040 | WM8993_LINEOUT_VMID_BUF_ENA, 0); |
| 1041 | |
| 1042 | snd_soc_update_bits(codec, WM8993_POWER_MANAGEMENT_1, |
| 1043 | WM8993_VMID_SEL_MASK | WM8993_BIAS_ENA, |
| 1044 | 0); |
| 1045 | break; |
| 1046 | } |
| 1047 | |
| 1048 | codec->bias_level = level; |
| 1049 | |
| 1050 | return 0; |
| 1051 | } |
| 1052 | |
| 1053 | static int wm8993_set_sysclk(struct snd_soc_dai *codec_dai, |
| 1054 | int clk_id, unsigned int freq, int dir) |
| 1055 | { |
| 1056 | struct snd_soc_codec *codec = codec_dai->codec; |
| 1057 | struct wm8993_priv *wm8993 = codec->private_data; |
| 1058 | |
| 1059 | switch (clk_id) { |
| 1060 | case WM8993_SYSCLK_MCLK: |
| 1061 | wm8993->mclk_rate = freq; |
| 1062 | case WM8993_SYSCLK_FLL: |
| 1063 | wm8993->sysclk_source = clk_id; |
| 1064 | break; |
| 1065 | |
| 1066 | default: |
| 1067 | return -EINVAL; |
| 1068 | } |
| 1069 | |
| 1070 | return 0; |
| 1071 | } |
| 1072 | |
| 1073 | static int wm8993_set_dai_fmt(struct snd_soc_dai *dai, |
| 1074 | unsigned int fmt) |
| 1075 | { |
| 1076 | struct snd_soc_codec *codec = dai->codec; |
| 1077 | struct wm8993_priv *wm8993 = codec->private_data; |
| 1078 | unsigned int aif1 = wm8993_read(codec, WM8993_AUDIO_INTERFACE_1); |
| 1079 | unsigned int aif4 = wm8993_read(codec, WM8993_AUDIO_INTERFACE_4); |
| 1080 | |
| 1081 | aif1 &= ~(WM8993_BCLK_DIR | WM8993_AIF_BCLK_INV | |
| 1082 | WM8993_AIF_LRCLK_INV | WM8993_AIF_FMT_MASK); |
| 1083 | aif4 &= ~WM8993_LRCLK_DIR; |
| 1084 | |
| 1085 | switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { |
| 1086 | case SND_SOC_DAIFMT_CBS_CFS: |
| 1087 | wm8993->master = 0; |
| 1088 | break; |
| 1089 | case SND_SOC_DAIFMT_CBS_CFM: |
| 1090 | aif4 |= WM8993_LRCLK_DIR; |
| 1091 | wm8993->master = 1; |
| 1092 | break; |
| 1093 | case SND_SOC_DAIFMT_CBM_CFS: |
| 1094 | aif1 |= WM8993_BCLK_DIR; |
| 1095 | wm8993->master = 1; |
| 1096 | break; |
| 1097 | case SND_SOC_DAIFMT_CBM_CFM: |
| 1098 | aif1 |= WM8993_BCLK_DIR; |
| 1099 | aif4 |= WM8993_LRCLK_DIR; |
| 1100 | wm8993->master = 1; |
| 1101 | break; |
| 1102 | default: |
| 1103 | return -EINVAL; |
| 1104 | } |
| 1105 | |
| 1106 | switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { |
| 1107 | case SND_SOC_DAIFMT_DSP_B: |
| 1108 | aif1 |= WM8993_AIF_LRCLK_INV; |
| 1109 | case SND_SOC_DAIFMT_DSP_A: |
| 1110 | aif1 |= 0x18; |
| 1111 | break; |
| 1112 | case SND_SOC_DAIFMT_I2S: |
| 1113 | aif1 |= 0x10; |
| 1114 | break; |
| 1115 | case SND_SOC_DAIFMT_RIGHT_J: |
| 1116 | break; |
| 1117 | case SND_SOC_DAIFMT_LEFT_J: |
| 1118 | aif1 |= 0x8; |
| 1119 | break; |
| 1120 | default: |
| 1121 | return -EINVAL; |
| 1122 | } |
| 1123 | |
| 1124 | switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { |
| 1125 | case SND_SOC_DAIFMT_DSP_A: |
| 1126 | case SND_SOC_DAIFMT_DSP_B: |
| 1127 | /* frame inversion not valid for DSP modes */ |
| 1128 | switch (fmt & SND_SOC_DAIFMT_INV_MASK) { |
| 1129 | case SND_SOC_DAIFMT_NB_NF: |
| 1130 | break; |
| 1131 | case SND_SOC_DAIFMT_IB_NF: |
| 1132 | aif1 |= WM8993_AIF_BCLK_INV; |
| 1133 | break; |
| 1134 | default: |
| 1135 | return -EINVAL; |
| 1136 | } |
| 1137 | break; |
| 1138 | |
| 1139 | case SND_SOC_DAIFMT_I2S: |
| 1140 | case SND_SOC_DAIFMT_RIGHT_J: |
| 1141 | case SND_SOC_DAIFMT_LEFT_J: |
| 1142 | switch (fmt & SND_SOC_DAIFMT_INV_MASK) { |
| 1143 | case SND_SOC_DAIFMT_NB_NF: |
| 1144 | break; |
| 1145 | case SND_SOC_DAIFMT_IB_IF: |
| 1146 | aif1 |= WM8993_AIF_BCLK_INV | WM8993_AIF_LRCLK_INV; |
| 1147 | break; |
| 1148 | case SND_SOC_DAIFMT_IB_NF: |
| 1149 | aif1 |= WM8993_AIF_BCLK_INV; |
| 1150 | break; |
| 1151 | case SND_SOC_DAIFMT_NB_IF: |
| 1152 | aif1 |= WM8993_AIF_LRCLK_INV; |
| 1153 | break; |
| 1154 | default: |
| 1155 | return -EINVAL; |
| 1156 | } |
| 1157 | break; |
| 1158 | default: |
| 1159 | return -EINVAL; |
| 1160 | } |
| 1161 | |
| 1162 | wm8993_write(codec, WM8993_AUDIO_INTERFACE_1, aif1); |
| 1163 | wm8993_write(codec, WM8993_AUDIO_INTERFACE_4, aif4); |
| 1164 | |
| 1165 | return 0; |
| 1166 | } |
| 1167 | |
| 1168 | static int wm8993_hw_params(struct snd_pcm_substream *substream, |
| 1169 | struct snd_pcm_hw_params *params, |
| 1170 | struct snd_soc_dai *dai) |
| 1171 | { |
| 1172 | struct snd_soc_codec *codec = dai->codec; |
| 1173 | struct wm8993_priv *wm8993 = codec->private_data; |
| 1174 | int ret, i, best, best_val, cur_val; |
| 1175 | unsigned int clocking1, clocking3, aif1, aif4; |
| 1176 | |
| 1177 | clocking1 = wm8993_read(codec, WM8993_CLOCKING_1); |
| 1178 | clocking1 &= ~WM8993_BCLK_DIV_MASK; |
| 1179 | |
| 1180 | clocking3 = wm8993_read(codec, WM8993_CLOCKING_3); |
| 1181 | clocking3 &= ~(WM8993_CLK_SYS_RATE_MASK | WM8993_SAMPLE_RATE_MASK); |
| 1182 | |
| 1183 | aif1 = wm8993_read(codec, WM8993_AUDIO_INTERFACE_1); |
| 1184 | aif1 &= ~WM8993_AIF_WL_MASK; |
| 1185 | |
| 1186 | aif4 = wm8993_read(codec, WM8993_AUDIO_INTERFACE_4); |
| 1187 | aif4 &= ~WM8993_LRCLK_RATE_MASK; |
| 1188 | |
| 1189 | /* What BCLK do we need? */ |
| 1190 | wm8993->fs = params_rate(params); |
| 1191 | wm8993->bclk = 2 * wm8993->fs; |
Mark Brown | d3c9e9a | 2009-08-17 18:52:47 +0100 | [diff] [blame] | 1192 | if (wm8993->tdm_slots) { |
| 1193 | dev_dbg(codec->dev, "Configuring for %d %d bit TDM slots\n", |
| 1194 | wm8993->tdm_slots, wm8993->tdm_width); |
| 1195 | wm8993->bclk *= wm8993->tdm_width * wm8993->tdm_slots; |
| 1196 | } else { |
| 1197 | switch (params_format(params)) { |
| 1198 | case SNDRV_PCM_FORMAT_S16_LE: |
| 1199 | wm8993->bclk *= 16; |
| 1200 | break; |
| 1201 | case SNDRV_PCM_FORMAT_S20_3LE: |
| 1202 | wm8993->bclk *= 20; |
| 1203 | aif1 |= 0x8; |
| 1204 | break; |
| 1205 | case SNDRV_PCM_FORMAT_S24_LE: |
| 1206 | wm8993->bclk *= 24; |
| 1207 | aif1 |= 0x10; |
| 1208 | break; |
| 1209 | case SNDRV_PCM_FORMAT_S32_LE: |
| 1210 | wm8993->bclk *= 32; |
| 1211 | aif1 |= 0x18; |
| 1212 | break; |
| 1213 | default: |
| 1214 | return -EINVAL; |
| 1215 | } |
Mark Brown | 942c435 | 2009-06-05 16:32:59 +0100 | [diff] [blame] | 1216 | } |
| 1217 | |
| 1218 | dev_dbg(codec->dev, "Target BCLK is %dHz\n", wm8993->bclk); |
| 1219 | |
| 1220 | ret = configure_clock(codec); |
| 1221 | if (ret != 0) |
| 1222 | return ret; |
| 1223 | |
| 1224 | /* Select nearest CLK_SYS_RATE */ |
| 1225 | best = 0; |
| 1226 | best_val = abs((wm8993->sysclk_rate / clk_sys_rates[0].ratio) |
| 1227 | - wm8993->fs); |
| 1228 | for (i = 1; i < ARRAY_SIZE(clk_sys_rates); i++) { |
| 1229 | cur_val = abs((wm8993->sysclk_rate / |
| 1230 | clk_sys_rates[i].ratio) - wm8993->fs);; |
| 1231 | if (cur_val < best_val) { |
| 1232 | best = i; |
| 1233 | best_val = cur_val; |
| 1234 | } |
| 1235 | } |
| 1236 | dev_dbg(codec->dev, "Selected CLK_SYS_RATIO of %d\n", |
| 1237 | clk_sys_rates[best].ratio); |
| 1238 | clocking3 |= (clk_sys_rates[best].clk_sys_rate |
| 1239 | << WM8993_CLK_SYS_RATE_SHIFT); |
| 1240 | |
| 1241 | /* SAMPLE_RATE */ |
| 1242 | best = 0; |
| 1243 | best_val = abs(wm8993->fs - sample_rates[0].rate); |
| 1244 | for (i = 1; i < ARRAY_SIZE(sample_rates); i++) { |
| 1245 | /* Closest match */ |
| 1246 | cur_val = abs(wm8993->fs - sample_rates[i].rate); |
| 1247 | if (cur_val < best_val) { |
| 1248 | best = i; |
| 1249 | best_val = cur_val; |
| 1250 | } |
| 1251 | } |
| 1252 | dev_dbg(codec->dev, "Selected SAMPLE_RATE of %dHz\n", |
| 1253 | sample_rates[best].rate); |
Mark Brown | e465d54 | 2009-07-15 10:01:30 +0100 | [diff] [blame] | 1254 | clocking3 |= (sample_rates[best].sample_rate |
| 1255 | << WM8993_SAMPLE_RATE_SHIFT); |
Mark Brown | 942c435 | 2009-06-05 16:32:59 +0100 | [diff] [blame] | 1256 | |
| 1257 | /* BCLK_DIV */ |
| 1258 | best = 0; |
| 1259 | best_val = INT_MAX; |
| 1260 | for (i = 0; i < ARRAY_SIZE(bclk_divs); i++) { |
| 1261 | cur_val = ((wm8993->sysclk_rate * 10) / bclk_divs[i].div) |
| 1262 | - wm8993->bclk; |
| 1263 | if (cur_val < 0) /* Table is sorted */ |
| 1264 | break; |
| 1265 | if (cur_val < best_val) { |
| 1266 | best = i; |
| 1267 | best_val = cur_val; |
| 1268 | } |
| 1269 | } |
| 1270 | wm8993->bclk = (wm8993->sysclk_rate * 10) / bclk_divs[best].div; |
| 1271 | dev_dbg(codec->dev, "Selected BCLK_DIV of %d for %dHz BCLK\n", |
| 1272 | bclk_divs[best].div, wm8993->bclk); |
| 1273 | clocking1 |= bclk_divs[best].bclk_div << WM8993_BCLK_DIV_SHIFT; |
| 1274 | |
| 1275 | /* LRCLK is a simple fraction of BCLK */ |
| 1276 | dev_dbg(codec->dev, "LRCLK_RATE is %d\n", wm8993->bclk / wm8993->fs); |
| 1277 | aif4 |= wm8993->bclk / wm8993->fs; |
| 1278 | |
| 1279 | wm8993_write(codec, WM8993_CLOCKING_1, clocking1); |
| 1280 | wm8993_write(codec, WM8993_CLOCKING_3, clocking3); |
| 1281 | wm8993_write(codec, WM8993_AUDIO_INTERFACE_1, aif1); |
| 1282 | wm8993_write(codec, WM8993_AUDIO_INTERFACE_4, aif4); |
| 1283 | |
| 1284 | /* ReTune Mobile? */ |
| 1285 | if (wm8993->pdata.num_retune_configs) { |
| 1286 | u16 eq1 = wm8993_read(codec, WM8993_EQ1); |
| 1287 | struct wm8993_retune_mobile_setting *s; |
| 1288 | |
| 1289 | best = 0; |
| 1290 | best_val = abs(wm8993->pdata.retune_configs[0].rate |
| 1291 | - wm8993->fs); |
| 1292 | for (i = 0; i < wm8993->pdata.num_retune_configs; i++) { |
| 1293 | cur_val = abs(wm8993->pdata.retune_configs[i].rate |
| 1294 | - wm8993->fs); |
| 1295 | if (cur_val < best_val) { |
| 1296 | best_val = cur_val; |
| 1297 | best = i; |
| 1298 | } |
| 1299 | } |
| 1300 | s = &wm8993->pdata.retune_configs[best]; |
| 1301 | |
| 1302 | dev_dbg(codec->dev, "ReTune Mobile %s tuned for %dHz\n", |
| 1303 | s->name, s->rate); |
| 1304 | |
| 1305 | /* Disable EQ while we reconfigure */ |
| 1306 | snd_soc_update_bits(codec, WM8993_EQ1, WM8993_EQ_ENA, 0); |
| 1307 | |
| 1308 | for (i = 1; i < ARRAY_SIZE(s->config); i++) |
| 1309 | wm8993_write(codec, WM8993_EQ1 + i, s->config[i]); |
| 1310 | |
| 1311 | snd_soc_update_bits(codec, WM8993_EQ1, WM8993_EQ_ENA, eq1); |
| 1312 | } |
| 1313 | |
| 1314 | return 0; |
| 1315 | } |
| 1316 | |
| 1317 | static int wm8993_digital_mute(struct snd_soc_dai *codec_dai, int mute) |
| 1318 | { |
| 1319 | struct snd_soc_codec *codec = codec_dai->codec; |
| 1320 | unsigned int reg; |
| 1321 | |
| 1322 | reg = wm8993_read(codec, WM8993_DAC_CTRL); |
| 1323 | |
| 1324 | if (mute) |
| 1325 | reg |= WM8993_DAC_MUTE; |
| 1326 | else |
| 1327 | reg &= ~WM8993_DAC_MUTE; |
| 1328 | |
| 1329 | wm8993_write(codec, WM8993_DAC_CTRL, reg); |
| 1330 | |
| 1331 | return 0; |
| 1332 | } |
| 1333 | |
Mark Brown | d3c9e9a | 2009-08-17 18:52:47 +0100 | [diff] [blame] | 1334 | static int wm8993_set_tdm_slot(struct snd_soc_dai *dai, unsigned int tx_mask, |
| 1335 | unsigned int rx_mask, int slots, int slot_width) |
| 1336 | { |
| 1337 | struct snd_soc_codec *codec = dai->codec; |
| 1338 | struct wm8993_priv *wm8993 = codec->private_data; |
| 1339 | int aif1 = 0; |
| 1340 | int aif2 = 0; |
| 1341 | |
| 1342 | /* Don't need to validate anything if we're turning off TDM */ |
| 1343 | if (slots == 0) { |
| 1344 | wm8993->tdm_slots = 0; |
| 1345 | goto out; |
| 1346 | } |
| 1347 | |
| 1348 | /* Note that we allow configurations we can't handle ourselves - |
| 1349 | * for example, we can generate clocks for slots 2 and up even if |
| 1350 | * we can't use those slots ourselves. |
| 1351 | */ |
| 1352 | aif1 |= WM8993_AIFADC_TDM; |
| 1353 | aif2 |= WM8993_AIFDAC_TDM; |
| 1354 | |
| 1355 | switch (rx_mask) { |
| 1356 | case 3: |
| 1357 | break; |
| 1358 | case 0xc: |
| 1359 | aif1 |= WM8993_AIFADC_TDM_CHAN; |
| 1360 | break; |
| 1361 | default: |
| 1362 | return -EINVAL; |
| 1363 | } |
| 1364 | |
| 1365 | |
| 1366 | switch (tx_mask) { |
| 1367 | case 3: |
| 1368 | break; |
| 1369 | case 0xc: |
| 1370 | aif2 |= WM8993_AIFDAC_TDM_CHAN; |
| 1371 | break; |
| 1372 | default: |
| 1373 | return -EINVAL; |
| 1374 | } |
| 1375 | |
| 1376 | out: |
| 1377 | wm8993->tdm_width = slot_width; |
| 1378 | wm8993->tdm_slots = slots / 2; |
| 1379 | |
| 1380 | snd_soc_update_bits(codec, WM8993_AUDIO_INTERFACE_1, |
| 1381 | WM8993_AIFADC_TDM | WM8993_AIFADC_TDM_CHAN, aif1); |
| 1382 | snd_soc_update_bits(codec, WM8993_AUDIO_INTERFACE_2, |
| 1383 | WM8993_AIFDAC_TDM | WM8993_AIFDAC_TDM_CHAN, aif2); |
| 1384 | |
| 1385 | return 0; |
| 1386 | } |
| 1387 | |
Mark Brown | 942c435 | 2009-06-05 16:32:59 +0100 | [diff] [blame] | 1388 | static struct snd_soc_dai_ops wm8993_ops = { |
| 1389 | .set_sysclk = wm8993_set_sysclk, |
| 1390 | .set_fmt = wm8993_set_dai_fmt, |
| 1391 | .hw_params = wm8993_hw_params, |
| 1392 | .digital_mute = wm8993_digital_mute, |
| 1393 | .set_pll = wm8993_set_fll, |
Mark Brown | d3c9e9a | 2009-08-17 18:52:47 +0100 | [diff] [blame] | 1394 | .set_tdm_slot = wm8993_set_tdm_slot, |
Mark Brown | 942c435 | 2009-06-05 16:32:59 +0100 | [diff] [blame] | 1395 | }; |
| 1396 | |
| 1397 | #define WM8993_RATES SNDRV_PCM_RATE_8000_48000 |
| 1398 | |
| 1399 | #define WM8993_FORMATS (SNDRV_PCM_FMTBIT_S16_LE |\ |
| 1400 | SNDRV_PCM_FMTBIT_S20_3LE |\ |
| 1401 | SNDRV_PCM_FMTBIT_S24_LE |\ |
| 1402 | SNDRV_PCM_FMTBIT_S32_LE) |
| 1403 | |
| 1404 | struct snd_soc_dai wm8993_dai = { |
| 1405 | .name = "WM8993", |
| 1406 | .playback = { |
| 1407 | .stream_name = "Playback", |
| 1408 | .channels_min = 1, |
| 1409 | .channels_max = 2, |
| 1410 | .rates = WM8993_RATES, |
| 1411 | .formats = WM8993_FORMATS, |
| 1412 | }, |
| 1413 | .capture = { |
| 1414 | .stream_name = "Capture", |
| 1415 | .channels_min = 1, |
| 1416 | .channels_max = 2, |
| 1417 | .rates = WM8993_RATES, |
| 1418 | .formats = WM8993_FORMATS, |
| 1419 | }, |
| 1420 | .ops = &wm8993_ops, |
| 1421 | .symmetric_rates = 1, |
| 1422 | }; |
| 1423 | EXPORT_SYMBOL_GPL(wm8993_dai); |
| 1424 | |
| 1425 | static struct snd_soc_codec *wm8993_codec; |
| 1426 | |
| 1427 | static int wm8993_probe(struct platform_device *pdev) |
| 1428 | { |
| 1429 | struct snd_soc_device *socdev = platform_get_drvdata(pdev); |
| 1430 | struct snd_soc_codec *codec; |
| 1431 | struct wm8993_priv *wm8993; |
| 1432 | int ret = 0; |
| 1433 | |
| 1434 | if (!wm8993_codec) { |
| 1435 | dev_err(&pdev->dev, "I2C device not yet probed\n"); |
| 1436 | goto err; |
| 1437 | } |
| 1438 | |
| 1439 | socdev->card->codec = wm8993_codec; |
| 1440 | codec = wm8993_codec; |
| 1441 | wm8993 = codec->private_data; |
| 1442 | |
| 1443 | ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1); |
| 1444 | if (ret < 0) { |
| 1445 | dev_err(codec->dev, "failed to create pcms\n"); |
| 1446 | goto err; |
| 1447 | } |
| 1448 | |
| 1449 | snd_soc_add_controls(codec, wm8993_snd_controls, |
| 1450 | ARRAY_SIZE(wm8993_snd_controls)); |
| 1451 | if (wm8993->pdata.num_retune_configs != 0) { |
| 1452 | dev_dbg(codec->dev, "Using ReTune Mobile\n"); |
| 1453 | } else { |
| 1454 | dev_dbg(codec->dev, "No ReTune Mobile, using normal EQ\n"); |
| 1455 | snd_soc_add_controls(codec, wm8993_eq_controls, |
| 1456 | ARRAY_SIZE(wm8993_eq_controls)); |
| 1457 | } |
| 1458 | |
| 1459 | snd_soc_dapm_new_controls(codec, wm8993_dapm_widgets, |
| 1460 | ARRAY_SIZE(wm8993_dapm_widgets)); |
Mark Brown | a2342ae | 2009-07-29 21:21:49 +0100 | [diff] [blame] | 1461 | wm_hubs_add_analogue_controls(codec); |
Mark Brown | 942c435 | 2009-06-05 16:32:59 +0100 | [diff] [blame] | 1462 | |
| 1463 | snd_soc_dapm_add_routes(codec, routes, ARRAY_SIZE(routes)); |
Mark Brown | a2342ae | 2009-07-29 21:21:49 +0100 | [diff] [blame] | 1464 | wm_hubs_add_analogue_routes(codec, wm8993->pdata.lineout1_diff, |
| 1465 | wm8993->pdata.lineout2_diff); |
Mark Brown | 942c435 | 2009-06-05 16:32:59 +0100 | [diff] [blame] | 1466 | |
| 1467 | snd_soc_dapm_new_widgets(codec); |
| 1468 | |
| 1469 | ret = snd_soc_init_card(socdev); |
| 1470 | if (ret < 0) { |
| 1471 | dev_err(codec->dev, "failed to register card\n"); |
| 1472 | goto card_err; |
| 1473 | } |
| 1474 | |
| 1475 | return ret; |
| 1476 | |
| 1477 | card_err: |
| 1478 | snd_soc_free_pcms(socdev); |
| 1479 | snd_soc_dapm_free(socdev); |
| 1480 | err: |
| 1481 | return ret; |
| 1482 | } |
| 1483 | |
| 1484 | static int wm8993_remove(struct platform_device *pdev) |
| 1485 | { |
| 1486 | struct snd_soc_device *socdev = platform_get_drvdata(pdev); |
| 1487 | |
| 1488 | snd_soc_free_pcms(socdev); |
| 1489 | snd_soc_dapm_free(socdev); |
| 1490 | |
| 1491 | return 0; |
| 1492 | } |
| 1493 | |
| 1494 | struct snd_soc_codec_device soc_codec_dev_wm8993 = { |
| 1495 | .probe = wm8993_probe, |
| 1496 | .remove = wm8993_remove, |
| 1497 | }; |
| 1498 | EXPORT_SYMBOL_GPL(soc_codec_dev_wm8993); |
| 1499 | |
| 1500 | static int wm8993_i2c_probe(struct i2c_client *i2c, |
| 1501 | const struct i2c_device_id *id) |
| 1502 | { |
| 1503 | struct wm8993_priv *wm8993; |
| 1504 | struct snd_soc_codec *codec; |
| 1505 | unsigned int val; |
| 1506 | int ret; |
| 1507 | |
| 1508 | if (wm8993_codec) { |
| 1509 | dev_err(&i2c->dev, "A WM8993 is already registered\n"); |
| 1510 | return -EINVAL; |
| 1511 | } |
| 1512 | |
| 1513 | wm8993 = kzalloc(sizeof(struct wm8993_priv), GFP_KERNEL); |
| 1514 | if (wm8993 == NULL) |
| 1515 | return -ENOMEM; |
| 1516 | |
| 1517 | codec = &wm8993->codec; |
| 1518 | if (i2c->dev.platform_data) |
| 1519 | memcpy(&wm8993->pdata, i2c->dev.platform_data, |
| 1520 | sizeof(wm8993->pdata)); |
| 1521 | |
| 1522 | mutex_init(&codec->mutex); |
| 1523 | INIT_LIST_HEAD(&codec->dapm_widgets); |
| 1524 | INIT_LIST_HEAD(&codec->dapm_paths); |
| 1525 | |
| 1526 | codec->name = "WM8993"; |
| 1527 | codec->read = wm8993_read; |
| 1528 | codec->write = wm8993_write; |
| 1529 | codec->hw_write = (hw_write_t)i2c_master_send; |
| 1530 | codec->reg_cache = wm8993->reg_cache; |
| 1531 | codec->reg_cache_size = ARRAY_SIZE(wm8993->reg_cache); |
| 1532 | codec->bias_level = SND_SOC_BIAS_OFF; |
| 1533 | codec->set_bias_level = wm8993_set_bias_level; |
| 1534 | codec->dai = &wm8993_dai; |
| 1535 | codec->num_dai = 1; |
| 1536 | codec->private_data = wm8993; |
| 1537 | |
| 1538 | memcpy(wm8993->reg_cache, wm8993_reg_defaults, |
| 1539 | sizeof(wm8993->reg_cache)); |
| 1540 | |
| 1541 | i2c_set_clientdata(i2c, wm8993); |
| 1542 | codec->control_data = i2c; |
| 1543 | wm8993_codec = codec; |
| 1544 | |
| 1545 | codec->dev = &i2c->dev; |
| 1546 | |
| 1547 | val = wm8993_read_hw(codec, WM8993_SOFTWARE_RESET); |
| 1548 | if (val != wm8993_reg_defaults[WM8993_SOFTWARE_RESET]) { |
| 1549 | dev_err(codec->dev, "Invalid ID register value %x\n", val); |
| 1550 | ret = -EINVAL; |
| 1551 | goto err; |
| 1552 | } |
| 1553 | |
| 1554 | ret = wm8993_write(codec, WM8993_SOFTWARE_RESET, 0xffff); |
| 1555 | if (ret != 0) |
| 1556 | goto err; |
| 1557 | |
| 1558 | /* By default we're using the output mixers */ |
| 1559 | wm8993->class_w_users = 2; |
| 1560 | |
| 1561 | /* Latch volume update bits and default ZC on */ |
Mark Brown | 942c435 | 2009-06-05 16:32:59 +0100 | [diff] [blame] | 1562 | snd_soc_update_bits(codec, WM8993_RIGHT_DAC_DIGITAL_VOLUME, |
| 1563 | WM8993_DAC_VU, WM8993_DAC_VU); |
| 1564 | snd_soc_update_bits(codec, WM8993_RIGHT_ADC_DIGITAL_VOLUME, |
| 1565 | WM8993_ADC_VU, WM8993_ADC_VU); |
| 1566 | |
| 1567 | /* Manualy manage the HPOUT sequencing for independent stereo |
| 1568 | * control. */ |
| 1569 | snd_soc_update_bits(codec, WM8993_ANALOGUE_HP_0, |
| 1570 | WM8993_HPOUT1_AUTO_PU, 0); |
| 1571 | |
| 1572 | /* Use automatic clock configuration */ |
| 1573 | snd_soc_update_bits(codec, WM8993_CLOCKING_4, WM8993_SR_MODE, 0); |
| 1574 | |
Mark Brown | aa983d9 | 2009-09-30 14:16:11 +0100 | [diff] [blame^] | 1575 | wm_hubs_handle_analogue_pdata(codec, wm8993->pdata.lineout1_diff, |
| 1576 | wm8993->pdata.lineout2_diff, |
| 1577 | wm8993->pdata.lineout1fb, |
| 1578 | wm8993->pdata.lineout2fb, |
| 1579 | wm8993->pdata.jd_scthr, |
| 1580 | wm8993->pdata.jd_thr, |
| 1581 | wm8993->pdata.micbias1_lvl, |
| 1582 | wm8993->pdata.micbias2_lvl); |
| 1583 | |
Mark Brown | 942c435 | 2009-06-05 16:32:59 +0100 | [diff] [blame] | 1584 | ret = wm8993_set_bias_level(codec, SND_SOC_BIAS_STANDBY); |
| 1585 | if (ret != 0) |
| 1586 | goto err; |
| 1587 | |
| 1588 | wm8993_dai.dev = codec->dev; |
| 1589 | |
| 1590 | ret = snd_soc_register_dai(&wm8993_dai); |
| 1591 | if (ret != 0) |
| 1592 | goto err_bias; |
| 1593 | |
| 1594 | ret = snd_soc_register_codec(codec); |
| 1595 | |
| 1596 | return 0; |
| 1597 | |
| 1598 | err_bias: |
| 1599 | wm8993_set_bias_level(codec, SND_SOC_BIAS_OFF); |
| 1600 | err: |
| 1601 | wm8993_codec = NULL; |
| 1602 | kfree(wm8993); |
| 1603 | return ret; |
| 1604 | } |
| 1605 | |
| 1606 | static int wm8993_i2c_remove(struct i2c_client *client) |
| 1607 | { |
| 1608 | struct wm8993_priv *wm8993 = i2c_get_clientdata(client); |
| 1609 | |
| 1610 | snd_soc_unregister_codec(&wm8993->codec); |
| 1611 | snd_soc_unregister_dai(&wm8993_dai); |
| 1612 | |
| 1613 | wm8993_set_bias_level(&wm8993->codec, SND_SOC_BIAS_OFF); |
| 1614 | kfree(wm8993); |
| 1615 | |
| 1616 | return 0; |
| 1617 | } |
| 1618 | |
| 1619 | static const struct i2c_device_id wm8993_i2c_id[] = { |
| 1620 | { "wm8993", 0 }, |
| 1621 | { } |
| 1622 | }; |
| 1623 | MODULE_DEVICE_TABLE(i2c, wm8993_i2c_id); |
| 1624 | |
| 1625 | static struct i2c_driver wm8993_i2c_driver = { |
| 1626 | .driver = { |
| 1627 | .name = "WM8993", |
| 1628 | .owner = THIS_MODULE, |
| 1629 | }, |
| 1630 | .probe = wm8993_i2c_probe, |
| 1631 | .remove = wm8993_i2c_remove, |
| 1632 | .id_table = wm8993_i2c_id, |
| 1633 | }; |
| 1634 | |
| 1635 | |
| 1636 | static int __init wm8993_modinit(void) |
| 1637 | { |
| 1638 | int ret; |
| 1639 | |
| 1640 | ret = i2c_add_driver(&wm8993_i2c_driver); |
| 1641 | if (ret != 0) |
| 1642 | pr_err("WM8993: Unable to register I2C driver: %d\n", ret); |
| 1643 | |
| 1644 | return ret; |
| 1645 | } |
| 1646 | module_init(wm8993_modinit); |
| 1647 | |
| 1648 | static void __exit wm8993_exit(void) |
| 1649 | { |
| 1650 | i2c_del_driver(&wm8993_i2c_driver); |
| 1651 | } |
| 1652 | module_exit(wm8993_exit); |
| 1653 | |
| 1654 | |
| 1655 | MODULE_DESCRIPTION("ASoC WM8993 driver"); |
| 1656 | MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>"); |
| 1657 | MODULE_LICENSE("GPL"); |