Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 1 | /* |
| 2 | * arizona.c - Wolfson Arizona class device shared support |
| 3 | * |
| 4 | * Copyright 2012 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/gcd.h> |
| 14 | #include <linux/module.h> |
| 15 | #include <linux/pm_runtime.h> |
| 16 | #include <sound/pcm.h> |
| 17 | #include <sound/pcm_params.h> |
| 18 | #include <sound/tlv.h> |
| 19 | |
| 20 | #include <linux/mfd/arizona/core.h> |
| 21 | #include <linux/mfd/arizona/registers.h> |
| 22 | |
| 23 | #include "arizona.h" |
| 24 | |
| 25 | #define ARIZONA_AIF_BCLK_CTRL 0x00 |
| 26 | #define ARIZONA_AIF_TX_PIN_CTRL 0x01 |
| 27 | #define ARIZONA_AIF_RX_PIN_CTRL 0x02 |
| 28 | #define ARIZONA_AIF_RATE_CTRL 0x03 |
| 29 | #define ARIZONA_AIF_FORMAT 0x04 |
| 30 | #define ARIZONA_AIF_TX_BCLK_RATE 0x05 |
| 31 | #define ARIZONA_AIF_RX_BCLK_RATE 0x06 |
| 32 | #define ARIZONA_AIF_FRAME_CTRL_1 0x07 |
| 33 | #define ARIZONA_AIF_FRAME_CTRL_2 0x08 |
| 34 | #define ARIZONA_AIF_FRAME_CTRL_3 0x09 |
| 35 | #define ARIZONA_AIF_FRAME_CTRL_4 0x0A |
| 36 | #define ARIZONA_AIF_FRAME_CTRL_5 0x0B |
| 37 | #define ARIZONA_AIF_FRAME_CTRL_6 0x0C |
| 38 | #define ARIZONA_AIF_FRAME_CTRL_7 0x0D |
| 39 | #define ARIZONA_AIF_FRAME_CTRL_8 0x0E |
| 40 | #define ARIZONA_AIF_FRAME_CTRL_9 0x0F |
| 41 | #define ARIZONA_AIF_FRAME_CTRL_10 0x10 |
| 42 | #define ARIZONA_AIF_FRAME_CTRL_11 0x11 |
| 43 | #define ARIZONA_AIF_FRAME_CTRL_12 0x12 |
| 44 | #define ARIZONA_AIF_FRAME_CTRL_13 0x13 |
| 45 | #define ARIZONA_AIF_FRAME_CTRL_14 0x14 |
| 46 | #define ARIZONA_AIF_FRAME_CTRL_15 0x15 |
| 47 | #define ARIZONA_AIF_FRAME_CTRL_16 0x16 |
| 48 | #define ARIZONA_AIF_FRAME_CTRL_17 0x17 |
| 49 | #define ARIZONA_AIF_FRAME_CTRL_18 0x18 |
| 50 | #define ARIZONA_AIF_TX_ENABLES 0x19 |
| 51 | #define ARIZONA_AIF_RX_ENABLES 0x1A |
| 52 | #define ARIZONA_AIF_FORCE_WRITE 0x1B |
| 53 | |
| 54 | #define arizona_fll_err(_fll, fmt, ...) \ |
| 55 | dev_err(_fll->arizona->dev, "FLL%d: " fmt, _fll->id, ##__VA_ARGS__) |
| 56 | #define arizona_fll_warn(_fll, fmt, ...) \ |
| 57 | dev_warn(_fll->arizona->dev, "FLL%d: " fmt, _fll->id, ##__VA_ARGS__) |
| 58 | #define arizona_fll_dbg(_fll, fmt, ...) \ |
| 59 | dev_err(_fll->arizona->dev, "FLL%d: " fmt, _fll->id, ##__VA_ARGS__) |
| 60 | |
| 61 | #define arizona_aif_err(_dai, fmt, ...) \ |
| 62 | dev_err(_dai->dev, "AIF%d: " fmt, _dai->id, ##__VA_ARGS__) |
| 63 | #define arizona_aif_warn(_dai, fmt, ...) \ |
| 64 | dev_warn(_dai->dev, "AIF%d: " fmt, _dai->id, ##__VA_ARGS__) |
| 65 | #define arizona_aif_dbg(_dai, fmt, ...) \ |
| 66 | dev_err(_dai->dev, "AIF%d: " fmt, _dai->id, ##__VA_ARGS__) |
| 67 | |
| 68 | const char *arizona_mixer_texts[ARIZONA_NUM_MIXER_INPUTS] = { |
| 69 | "None", |
| 70 | "Tone Generator 1", |
| 71 | "Tone Generator 2", |
| 72 | "Haptics", |
| 73 | "AEC", |
| 74 | "Mic Mute Mixer", |
| 75 | "Noise Generator", |
| 76 | "IN1L", |
| 77 | "IN1R", |
| 78 | "IN2L", |
| 79 | "IN2R", |
| 80 | "IN3L", |
| 81 | "IN3R", |
Mark Brown | c9c56fd | 2012-07-09 19:09:01 +0100 | [diff] [blame] | 82 | "IN4L", |
| 83 | "IN4R", |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 84 | "AIF1RX1", |
| 85 | "AIF1RX2", |
| 86 | "AIF1RX3", |
| 87 | "AIF1RX4", |
| 88 | "AIF1RX5", |
| 89 | "AIF1RX6", |
| 90 | "AIF1RX7", |
| 91 | "AIF1RX8", |
| 92 | "AIF2RX1", |
| 93 | "AIF2RX2", |
| 94 | "AIF3RX1", |
| 95 | "AIF3RX2", |
| 96 | "SLIMRX1", |
| 97 | "SLIMRX2", |
| 98 | "SLIMRX3", |
| 99 | "SLIMRX4", |
| 100 | "SLIMRX5", |
| 101 | "SLIMRX6", |
| 102 | "SLIMRX7", |
| 103 | "SLIMRX8", |
| 104 | "EQ1", |
| 105 | "EQ2", |
| 106 | "EQ3", |
| 107 | "EQ4", |
| 108 | "DRC1L", |
| 109 | "DRC1R", |
| 110 | "DRC2L", |
| 111 | "DRC2R", |
| 112 | "LHPF1", |
| 113 | "LHPF2", |
| 114 | "LHPF3", |
| 115 | "LHPF4", |
| 116 | "DSP1.1", |
| 117 | "DSP1.2", |
| 118 | "DSP1.3", |
| 119 | "DSP1.4", |
| 120 | "DSP1.5", |
| 121 | "DSP1.6", |
Mark Brown | c922cc4 | 2012-09-26 16:43:44 +0100 | [diff] [blame] | 122 | "DSP2.1", |
| 123 | "DSP2.2", |
| 124 | "DSP2.3", |
| 125 | "DSP2.4", |
| 126 | "DSP2.5", |
| 127 | "DSP2.6", |
| 128 | "DSP3.1", |
| 129 | "DSP3.2", |
| 130 | "DSP3.3", |
| 131 | "DSP3.4", |
| 132 | "DSP3.5", |
| 133 | "DSP3.6", |
| 134 | "DSP4.1", |
| 135 | "DSP4.2", |
| 136 | "DSP4.3", |
| 137 | "DSP4.4", |
| 138 | "DSP4.5", |
| 139 | "DSP4.6", |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 140 | "ASRC1L", |
| 141 | "ASRC1R", |
| 142 | "ASRC2L", |
| 143 | "ASRC2R", |
| 144 | }; |
| 145 | EXPORT_SYMBOL_GPL(arizona_mixer_texts); |
| 146 | |
| 147 | int arizona_mixer_values[ARIZONA_NUM_MIXER_INPUTS] = { |
| 148 | 0x00, /* None */ |
| 149 | 0x04, /* Tone */ |
| 150 | 0x05, |
| 151 | 0x06, /* Haptics */ |
| 152 | 0x08, /* AEC */ |
| 153 | 0x0c, /* Noise mixer */ |
| 154 | 0x0d, /* Comfort noise */ |
| 155 | 0x10, /* IN1L */ |
| 156 | 0x11, |
| 157 | 0x12, |
| 158 | 0x13, |
| 159 | 0x14, |
| 160 | 0x15, |
Mark Brown | c9c56fd | 2012-07-09 19:09:01 +0100 | [diff] [blame] | 161 | 0x16, |
| 162 | 0x17, |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 163 | 0x20, /* AIF1RX1 */ |
| 164 | 0x21, |
| 165 | 0x22, |
| 166 | 0x23, |
| 167 | 0x24, |
| 168 | 0x25, |
| 169 | 0x26, |
| 170 | 0x27, |
| 171 | 0x28, /* AIF2RX1 */ |
| 172 | 0x29, |
| 173 | 0x30, /* AIF3RX1 */ |
| 174 | 0x31, |
| 175 | 0x38, /* SLIMRX1 */ |
| 176 | 0x39, |
| 177 | 0x3a, |
| 178 | 0x3b, |
| 179 | 0x3c, |
| 180 | 0x3d, |
| 181 | 0x3e, |
| 182 | 0x3f, |
| 183 | 0x50, /* EQ1 */ |
| 184 | 0x51, |
| 185 | 0x52, |
| 186 | 0x53, |
| 187 | 0x58, /* DRC1L */ |
| 188 | 0x59, |
| 189 | 0x5a, |
| 190 | 0x5b, |
| 191 | 0x60, /* LHPF1 */ |
| 192 | 0x61, |
| 193 | 0x62, |
| 194 | 0x63, |
| 195 | 0x68, /* DSP1.1 */ |
| 196 | 0x69, |
| 197 | 0x6a, |
| 198 | 0x6b, |
| 199 | 0x6c, |
| 200 | 0x6d, |
Mark Brown | c922cc4 | 2012-09-26 16:43:44 +0100 | [diff] [blame] | 201 | 0x70, /* DSP2.1 */ |
| 202 | 0x71, |
| 203 | 0x72, |
| 204 | 0x73, |
| 205 | 0x74, |
| 206 | 0x75, |
| 207 | 0x78, /* DSP3.1 */ |
| 208 | 0x79, |
| 209 | 0x7a, |
| 210 | 0x7b, |
| 211 | 0x7c, |
| 212 | 0x7d, |
| 213 | 0x80, /* DSP4.1 */ |
| 214 | 0x81, |
| 215 | 0x82, |
| 216 | 0x83, |
| 217 | 0x84, |
| 218 | 0x85, |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 219 | 0x90, /* ASRC1L */ |
| 220 | 0x91, |
| 221 | 0x92, |
| 222 | 0x93, |
| 223 | }; |
| 224 | EXPORT_SYMBOL_GPL(arizona_mixer_values); |
| 225 | |
| 226 | const DECLARE_TLV_DB_SCALE(arizona_mixer_tlv, -3200, 100, 0); |
| 227 | EXPORT_SYMBOL_GPL(arizona_mixer_tlv); |
| 228 | |
| 229 | static const char *arizona_lhpf_mode_text[] = { |
| 230 | "Low-pass", "High-pass" |
| 231 | }; |
| 232 | |
| 233 | const struct soc_enum arizona_lhpf1_mode = |
| 234 | SOC_ENUM_SINGLE(ARIZONA_HPLPF1_1, ARIZONA_LHPF1_MODE_SHIFT, 2, |
| 235 | arizona_lhpf_mode_text); |
| 236 | EXPORT_SYMBOL_GPL(arizona_lhpf1_mode); |
| 237 | |
| 238 | const struct soc_enum arizona_lhpf2_mode = |
| 239 | SOC_ENUM_SINGLE(ARIZONA_HPLPF2_1, ARIZONA_LHPF2_MODE_SHIFT, 2, |
| 240 | arizona_lhpf_mode_text); |
| 241 | EXPORT_SYMBOL_GPL(arizona_lhpf2_mode); |
| 242 | |
| 243 | const struct soc_enum arizona_lhpf3_mode = |
| 244 | SOC_ENUM_SINGLE(ARIZONA_HPLPF3_1, ARIZONA_LHPF3_MODE_SHIFT, 2, |
| 245 | arizona_lhpf_mode_text); |
| 246 | EXPORT_SYMBOL_GPL(arizona_lhpf3_mode); |
| 247 | |
| 248 | const struct soc_enum arizona_lhpf4_mode = |
| 249 | SOC_ENUM_SINGLE(ARIZONA_HPLPF4_1, ARIZONA_LHPF4_MODE_SHIFT, 2, |
| 250 | arizona_lhpf_mode_text); |
| 251 | EXPORT_SYMBOL_GPL(arizona_lhpf4_mode); |
| 252 | |
| 253 | int arizona_in_ev(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, |
| 254 | int event) |
| 255 | { |
| 256 | return 0; |
| 257 | } |
| 258 | EXPORT_SYMBOL_GPL(arizona_in_ev); |
| 259 | |
| 260 | int arizona_out_ev(struct snd_soc_dapm_widget *w, |
| 261 | struct snd_kcontrol *kcontrol, |
| 262 | int event) |
| 263 | { |
| 264 | return 0; |
| 265 | } |
| 266 | EXPORT_SYMBOL_GPL(arizona_out_ev); |
| 267 | |
Mark Brown | cbd840d | 2012-08-08 17:52:44 +0100 | [diff] [blame] | 268 | static unsigned int arizona_sysclk_48k_rates[] = { |
| 269 | 6144000, |
| 270 | 12288000, |
Dimitris Papastamos | 96e1f18 | 2012-11-15 11:41:30 +0000 | [diff] [blame] | 271 | 24576000, |
Mark Brown | cbd840d | 2012-08-08 17:52:44 +0100 | [diff] [blame] | 272 | 49152000, |
Mark Brown | aeaeee1 | 2012-09-26 17:50:02 +0100 | [diff] [blame] | 273 | 73728000, |
| 274 | 98304000, |
| 275 | 147456000, |
Mark Brown | cbd840d | 2012-08-08 17:52:44 +0100 | [diff] [blame] | 276 | }; |
| 277 | |
| 278 | static unsigned int arizona_sysclk_44k1_rates[] = { |
| 279 | 5644800, |
| 280 | 11289600, |
Dimitris Papastamos | 96e1f18 | 2012-11-15 11:41:30 +0000 | [diff] [blame] | 281 | 22579200, |
Mark Brown | cbd840d | 2012-08-08 17:52:44 +0100 | [diff] [blame] | 282 | 45158400, |
Mark Brown | aeaeee1 | 2012-09-26 17:50:02 +0100 | [diff] [blame] | 283 | 67737600, |
| 284 | 90316800, |
| 285 | 135475200, |
Mark Brown | cbd840d | 2012-08-08 17:52:44 +0100 | [diff] [blame] | 286 | }; |
| 287 | |
| 288 | static int arizona_set_opclk(struct snd_soc_codec *codec, unsigned int clk, |
| 289 | unsigned int freq) |
| 290 | { |
| 291 | struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec); |
| 292 | unsigned int reg; |
| 293 | unsigned int *rates; |
| 294 | int ref, div, refclk; |
| 295 | |
| 296 | switch (clk) { |
| 297 | case ARIZONA_CLK_OPCLK: |
| 298 | reg = ARIZONA_OUTPUT_SYSTEM_CLOCK; |
| 299 | refclk = priv->sysclk; |
| 300 | break; |
| 301 | case ARIZONA_CLK_ASYNC_OPCLK: |
| 302 | reg = ARIZONA_OUTPUT_ASYNC_CLOCK; |
| 303 | refclk = priv->asyncclk; |
| 304 | break; |
| 305 | default: |
| 306 | return -EINVAL; |
| 307 | } |
| 308 | |
| 309 | if (refclk % 8000) |
| 310 | rates = arizona_sysclk_44k1_rates; |
| 311 | else |
| 312 | rates = arizona_sysclk_48k_rates; |
| 313 | |
| 314 | for (ref = 0; ref < ARRAY_SIZE(arizona_sysclk_48k_rates) && |
| 315 | rates[ref] <= refclk; ref++) { |
| 316 | div = 1; |
| 317 | while (rates[ref] / div >= freq && div < 32) { |
| 318 | if (rates[ref] / div == freq) { |
| 319 | dev_dbg(codec->dev, "Configured %dHz OPCLK\n", |
| 320 | freq); |
| 321 | snd_soc_update_bits(codec, reg, |
| 322 | ARIZONA_OPCLK_DIV_MASK | |
| 323 | ARIZONA_OPCLK_SEL_MASK, |
| 324 | (div << |
| 325 | ARIZONA_OPCLK_DIV_SHIFT) | |
| 326 | ref); |
| 327 | return 0; |
| 328 | } |
| 329 | div++; |
| 330 | } |
| 331 | } |
| 332 | |
| 333 | dev_err(codec->dev, "Unable to generate %dHz OPCLK\n", freq); |
| 334 | return -EINVAL; |
| 335 | } |
| 336 | |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 337 | int arizona_set_sysclk(struct snd_soc_codec *codec, int clk_id, |
| 338 | int source, unsigned int freq, int dir) |
| 339 | { |
| 340 | struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec); |
| 341 | struct arizona *arizona = priv->arizona; |
| 342 | char *name; |
| 343 | unsigned int reg; |
| 344 | unsigned int mask = ARIZONA_SYSCLK_FREQ_MASK | ARIZONA_SYSCLK_SRC_MASK; |
| 345 | unsigned int val = source << ARIZONA_SYSCLK_SRC_SHIFT; |
| 346 | unsigned int *clk; |
| 347 | |
| 348 | switch (clk_id) { |
| 349 | case ARIZONA_CLK_SYSCLK: |
| 350 | name = "SYSCLK"; |
| 351 | reg = ARIZONA_SYSTEM_CLOCK_1; |
| 352 | clk = &priv->sysclk; |
| 353 | mask |= ARIZONA_SYSCLK_FRAC; |
| 354 | break; |
| 355 | case ARIZONA_CLK_ASYNCCLK: |
| 356 | name = "ASYNCCLK"; |
| 357 | reg = ARIZONA_ASYNC_CLOCK_1; |
| 358 | clk = &priv->asyncclk; |
| 359 | break; |
Mark Brown | cbd840d | 2012-08-08 17:52:44 +0100 | [diff] [blame] | 360 | case ARIZONA_CLK_OPCLK: |
| 361 | case ARIZONA_CLK_ASYNC_OPCLK: |
| 362 | return arizona_set_opclk(codec, clk_id, freq); |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 363 | default: |
| 364 | return -EINVAL; |
| 365 | } |
| 366 | |
| 367 | switch (freq) { |
| 368 | case 5644800: |
| 369 | case 6144000: |
| 370 | break; |
| 371 | case 11289600: |
| 372 | case 12288000: |
| 373 | val |= 1 << ARIZONA_SYSCLK_FREQ_SHIFT; |
| 374 | break; |
| 375 | case 22579200: |
| 376 | case 24576000: |
| 377 | val |= 2 << ARIZONA_SYSCLK_FREQ_SHIFT; |
| 378 | break; |
| 379 | case 45158400: |
| 380 | case 49152000: |
| 381 | val |= 3 << ARIZONA_SYSCLK_FREQ_SHIFT; |
| 382 | break; |
| 383 | default: |
| 384 | return -EINVAL; |
| 385 | } |
| 386 | |
| 387 | *clk = freq; |
| 388 | |
| 389 | if (freq % 6144000) |
| 390 | val |= ARIZONA_SYSCLK_FRAC; |
| 391 | |
| 392 | dev_dbg(arizona->dev, "%s set to %uHz", name, freq); |
| 393 | |
| 394 | return regmap_update_bits(arizona->regmap, reg, mask, val); |
| 395 | } |
| 396 | EXPORT_SYMBOL_GPL(arizona_set_sysclk); |
| 397 | |
| 398 | static int arizona_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) |
| 399 | { |
| 400 | struct snd_soc_codec *codec = dai->codec; |
| 401 | int lrclk, bclk, mode, base; |
| 402 | |
| 403 | base = dai->driver->base; |
| 404 | |
| 405 | lrclk = 0; |
| 406 | bclk = 0; |
| 407 | |
| 408 | switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { |
| 409 | case SND_SOC_DAIFMT_DSP_A: |
| 410 | mode = 0; |
| 411 | break; |
| 412 | case SND_SOC_DAIFMT_DSP_B: |
| 413 | mode = 1; |
| 414 | break; |
| 415 | case SND_SOC_DAIFMT_I2S: |
| 416 | mode = 2; |
| 417 | break; |
| 418 | case SND_SOC_DAIFMT_LEFT_J: |
| 419 | mode = 3; |
| 420 | break; |
| 421 | default: |
| 422 | arizona_aif_err(dai, "Unsupported DAI format %d\n", |
| 423 | fmt & SND_SOC_DAIFMT_FORMAT_MASK); |
| 424 | return -EINVAL; |
| 425 | } |
| 426 | |
| 427 | switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { |
| 428 | case SND_SOC_DAIFMT_CBS_CFS: |
| 429 | break; |
| 430 | case SND_SOC_DAIFMT_CBS_CFM: |
| 431 | lrclk |= ARIZONA_AIF1TX_LRCLK_MSTR; |
| 432 | break; |
| 433 | case SND_SOC_DAIFMT_CBM_CFS: |
| 434 | bclk |= ARIZONA_AIF1_BCLK_MSTR; |
| 435 | break; |
| 436 | case SND_SOC_DAIFMT_CBM_CFM: |
| 437 | bclk |= ARIZONA_AIF1_BCLK_MSTR; |
| 438 | lrclk |= ARIZONA_AIF1TX_LRCLK_MSTR; |
| 439 | break; |
| 440 | default: |
| 441 | arizona_aif_err(dai, "Unsupported master mode %d\n", |
| 442 | fmt & SND_SOC_DAIFMT_MASTER_MASK); |
| 443 | return -EINVAL; |
| 444 | } |
| 445 | |
| 446 | switch (fmt & SND_SOC_DAIFMT_INV_MASK) { |
| 447 | case SND_SOC_DAIFMT_NB_NF: |
| 448 | break; |
| 449 | case SND_SOC_DAIFMT_IB_IF: |
| 450 | bclk |= ARIZONA_AIF1_BCLK_INV; |
| 451 | lrclk |= ARIZONA_AIF1TX_LRCLK_INV; |
| 452 | break; |
| 453 | case SND_SOC_DAIFMT_IB_NF: |
| 454 | bclk |= ARIZONA_AIF1_BCLK_INV; |
| 455 | break; |
| 456 | case SND_SOC_DAIFMT_NB_IF: |
| 457 | lrclk |= ARIZONA_AIF1TX_LRCLK_INV; |
| 458 | break; |
| 459 | default: |
| 460 | return -EINVAL; |
| 461 | } |
| 462 | |
| 463 | snd_soc_update_bits(codec, base + ARIZONA_AIF_BCLK_CTRL, |
| 464 | ARIZONA_AIF1_BCLK_INV | ARIZONA_AIF1_BCLK_MSTR, |
| 465 | bclk); |
| 466 | snd_soc_update_bits(codec, base + ARIZONA_AIF_TX_PIN_CTRL, |
| 467 | ARIZONA_AIF1TX_LRCLK_INV | |
| 468 | ARIZONA_AIF1TX_LRCLK_MSTR, lrclk); |
| 469 | snd_soc_update_bits(codec, base + ARIZONA_AIF_RX_PIN_CTRL, |
| 470 | ARIZONA_AIF1RX_LRCLK_INV | |
| 471 | ARIZONA_AIF1RX_LRCLK_MSTR, lrclk); |
| 472 | snd_soc_update_bits(codec, base + ARIZONA_AIF_FORMAT, |
| 473 | ARIZONA_AIF1_FMT_MASK, mode); |
| 474 | |
| 475 | return 0; |
| 476 | } |
| 477 | |
Mark Brown | 949e6bc | 2012-07-04 18:58:04 +0100 | [diff] [blame] | 478 | static const int arizona_48k_bclk_rates[] = { |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 479 | -1, |
| 480 | 48000, |
| 481 | 64000, |
| 482 | 96000, |
| 483 | 128000, |
| 484 | 192000, |
| 485 | 256000, |
| 486 | 384000, |
| 487 | 512000, |
| 488 | 768000, |
| 489 | 1024000, |
| 490 | 1536000, |
| 491 | 2048000, |
| 492 | 3072000, |
| 493 | 4096000, |
| 494 | 6144000, |
| 495 | 8192000, |
| 496 | 12288000, |
| 497 | 24576000, |
| 498 | }; |
| 499 | |
Mark Brown | 5b2eec3 | 2012-07-04 17:32:05 +0100 | [diff] [blame] | 500 | static const unsigned int arizona_48k_rates[] = { |
| 501 | 12000, |
| 502 | 24000, |
| 503 | 48000, |
| 504 | 96000, |
| 505 | 192000, |
| 506 | 384000, |
| 507 | 768000, |
| 508 | 4000, |
| 509 | 8000, |
| 510 | 16000, |
| 511 | 32000, |
| 512 | 64000, |
| 513 | 128000, |
| 514 | 256000, |
| 515 | 512000, |
| 516 | }; |
| 517 | |
| 518 | static const struct snd_pcm_hw_constraint_list arizona_48k_constraint = { |
| 519 | .count = ARRAY_SIZE(arizona_48k_rates), |
| 520 | .list = arizona_48k_rates, |
| 521 | }; |
| 522 | |
Mark Brown | 949e6bc | 2012-07-04 18:58:04 +0100 | [diff] [blame] | 523 | static const int arizona_44k1_bclk_rates[] = { |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 524 | -1, |
| 525 | 44100, |
| 526 | 58800, |
| 527 | 88200, |
| 528 | 117600, |
| 529 | 177640, |
| 530 | 235200, |
| 531 | 352800, |
| 532 | 470400, |
| 533 | 705600, |
| 534 | 940800, |
| 535 | 1411200, |
| 536 | 1881600, |
Heather Lomond | 4758be3 | 2012-09-05 05:02:10 -0400 | [diff] [blame] | 537 | 2822400, |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 538 | 3763200, |
| 539 | 5644800, |
| 540 | 7526400, |
| 541 | 11289600, |
| 542 | 22579200, |
| 543 | }; |
| 544 | |
Mark Brown | 5b2eec3 | 2012-07-04 17:32:05 +0100 | [diff] [blame] | 545 | static const unsigned int arizona_44k1_rates[] = { |
| 546 | 11025, |
| 547 | 22050, |
| 548 | 44100, |
| 549 | 88200, |
| 550 | 176400, |
| 551 | 352800, |
| 552 | 705600, |
| 553 | }; |
| 554 | |
| 555 | static const struct snd_pcm_hw_constraint_list arizona_44k1_constraint = { |
| 556 | .count = ARRAY_SIZE(arizona_44k1_rates), |
| 557 | .list = arizona_44k1_rates, |
| 558 | }; |
| 559 | |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 560 | static int arizona_sr_vals[] = { |
| 561 | 0, |
| 562 | 12000, |
| 563 | 24000, |
| 564 | 48000, |
| 565 | 96000, |
| 566 | 192000, |
| 567 | 384000, |
| 568 | 768000, |
| 569 | 0, |
| 570 | 11025, |
| 571 | 22050, |
| 572 | 44100, |
| 573 | 88200, |
| 574 | 176400, |
| 575 | 352800, |
| 576 | 705600, |
| 577 | 4000, |
| 578 | 8000, |
| 579 | 16000, |
| 580 | 32000, |
| 581 | 64000, |
| 582 | 128000, |
| 583 | 256000, |
| 584 | 512000, |
| 585 | }; |
| 586 | |
Mark Brown | 5b2eec3 | 2012-07-04 17:32:05 +0100 | [diff] [blame] | 587 | static int arizona_startup(struct snd_pcm_substream *substream, |
| 588 | struct snd_soc_dai *dai) |
| 589 | { |
| 590 | struct snd_soc_codec *codec = dai->codec; |
| 591 | struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec); |
| 592 | struct arizona_dai_priv *dai_priv = &priv->dai[dai->id - 1]; |
| 593 | const struct snd_pcm_hw_constraint_list *constraint; |
| 594 | unsigned int base_rate; |
| 595 | |
| 596 | switch (dai_priv->clk) { |
| 597 | case ARIZONA_CLK_SYSCLK: |
| 598 | base_rate = priv->sysclk; |
| 599 | break; |
| 600 | case ARIZONA_CLK_ASYNCCLK: |
| 601 | base_rate = priv->asyncclk; |
| 602 | break; |
| 603 | default: |
| 604 | return 0; |
| 605 | } |
| 606 | |
| 607 | if (base_rate % 8000) |
| 608 | constraint = &arizona_44k1_constraint; |
| 609 | else |
| 610 | constraint = &arizona_48k_constraint; |
| 611 | |
| 612 | return snd_pcm_hw_constraint_list(substream->runtime, 0, |
| 613 | SNDRV_PCM_HW_PARAM_RATE, |
| 614 | constraint); |
| 615 | } |
| 616 | |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 617 | static int arizona_hw_params(struct snd_pcm_substream *substream, |
| 618 | struct snd_pcm_hw_params *params, |
| 619 | struct snd_soc_dai *dai) |
| 620 | { |
| 621 | struct snd_soc_codec *codec = dai->codec; |
Mark Brown | c013b27 | 2012-07-04 20:05:57 +0100 | [diff] [blame] | 622 | struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec); |
| 623 | struct arizona_dai_priv *dai_priv = &priv->dai[dai->id - 1]; |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 624 | int base = dai->driver->base; |
| 625 | const int *rates; |
| 626 | int i; |
| 627 | int bclk, lrclk, wl, frame, sr_val; |
| 628 | |
| 629 | if (params_rate(params) % 8000) |
Mark Brown | 949e6bc | 2012-07-04 18:58:04 +0100 | [diff] [blame] | 630 | rates = &arizona_44k1_bclk_rates[0]; |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 631 | else |
Mark Brown | 949e6bc | 2012-07-04 18:58:04 +0100 | [diff] [blame] | 632 | rates = &arizona_48k_bclk_rates[0]; |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 633 | |
Mark Brown | 949e6bc | 2012-07-04 18:58:04 +0100 | [diff] [blame] | 634 | for (i = 0; i < ARRAY_SIZE(arizona_44k1_bclk_rates); i++) { |
Mark Brown | 5001765 | 2012-07-04 19:07:09 +0100 | [diff] [blame] | 635 | if (rates[i] >= snd_soc_params_to_bclk(params) && |
| 636 | rates[i] % params_rate(params) == 0) { |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 637 | bclk = i; |
| 638 | break; |
| 639 | } |
| 640 | } |
Mark Brown | 949e6bc | 2012-07-04 18:58:04 +0100 | [diff] [blame] | 641 | if (i == ARRAY_SIZE(arizona_44k1_bclk_rates)) { |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 642 | arizona_aif_err(dai, "Unsupported sample rate %dHz\n", |
| 643 | params_rate(params)); |
| 644 | return -EINVAL; |
| 645 | } |
| 646 | |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 647 | for (i = 0; i < ARRAY_SIZE(arizona_sr_vals); i++) |
| 648 | if (arizona_sr_vals[i] == params_rate(params)) |
| 649 | break; |
| 650 | if (i == ARRAY_SIZE(arizona_sr_vals)) { |
| 651 | arizona_aif_err(dai, "Unsupported sample rate %dHz\n", |
| 652 | params_rate(params)); |
| 653 | return -EINVAL; |
| 654 | } |
| 655 | sr_val = i; |
| 656 | |
| 657 | lrclk = snd_soc_params_to_bclk(params) / params_rate(params); |
| 658 | |
| 659 | arizona_aif_dbg(dai, "BCLK %dHz LRCLK %dHz\n", |
| 660 | rates[bclk], rates[bclk] / lrclk); |
| 661 | |
| 662 | wl = snd_pcm_format_width(params_format(params)); |
| 663 | frame = wl << ARIZONA_AIF1TX_WL_SHIFT | wl; |
| 664 | |
Mark Brown | c013b27 | 2012-07-04 20:05:57 +0100 | [diff] [blame] | 665 | /* |
| 666 | * We will need to be more flexible than this in future, |
| 667 | * currently we use a single sample rate for SYSCLK. |
| 668 | */ |
| 669 | switch (dai_priv->clk) { |
| 670 | case ARIZONA_CLK_SYSCLK: |
| 671 | snd_soc_update_bits(codec, ARIZONA_SAMPLE_RATE_1, |
| 672 | ARIZONA_SAMPLE_RATE_1_MASK, sr_val); |
| 673 | snd_soc_update_bits(codec, base + ARIZONA_AIF_RATE_CTRL, |
| 674 | ARIZONA_AIF1_RATE_MASK, 0); |
| 675 | break; |
| 676 | case ARIZONA_CLK_ASYNCCLK: |
| 677 | snd_soc_update_bits(codec, ARIZONA_ASYNC_SAMPLE_RATE_1, |
| 678 | ARIZONA_ASYNC_SAMPLE_RATE_MASK, sr_val); |
| 679 | snd_soc_update_bits(codec, base + ARIZONA_AIF_RATE_CTRL, |
| 680 | ARIZONA_AIF1_RATE_MASK, 8); |
| 681 | break; |
| 682 | default: |
| 683 | arizona_aif_err(dai, "Invalid clock %d\n", dai_priv->clk); |
| 684 | return -EINVAL; |
| 685 | } |
| 686 | |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 687 | snd_soc_update_bits(codec, base + ARIZONA_AIF_BCLK_CTRL, |
| 688 | ARIZONA_AIF1_BCLK_FREQ_MASK, bclk); |
| 689 | snd_soc_update_bits(codec, base + ARIZONA_AIF_TX_BCLK_RATE, |
| 690 | ARIZONA_AIF1TX_BCPF_MASK, lrclk); |
| 691 | snd_soc_update_bits(codec, base + ARIZONA_AIF_RX_BCLK_RATE, |
| 692 | ARIZONA_AIF1RX_BCPF_MASK, lrclk); |
| 693 | snd_soc_update_bits(codec, base + ARIZONA_AIF_FRAME_CTRL_1, |
| 694 | ARIZONA_AIF1TX_WL_MASK | |
| 695 | ARIZONA_AIF1TX_SLOT_LEN_MASK, frame); |
| 696 | snd_soc_update_bits(codec, base + ARIZONA_AIF_FRAME_CTRL_2, |
| 697 | ARIZONA_AIF1RX_WL_MASK | |
| 698 | ARIZONA_AIF1RX_SLOT_LEN_MASK, frame); |
| 699 | |
| 700 | return 0; |
| 701 | } |
| 702 | |
Mark Brown | 410837a | 2012-07-05 17:26:59 +0100 | [diff] [blame] | 703 | static const char *arizona_dai_clk_str(int clk_id) |
| 704 | { |
| 705 | switch (clk_id) { |
| 706 | case ARIZONA_CLK_SYSCLK: |
| 707 | return "SYSCLK"; |
| 708 | case ARIZONA_CLK_ASYNCCLK: |
| 709 | return "ASYNCCLK"; |
| 710 | default: |
| 711 | return "Unknown clock"; |
| 712 | } |
| 713 | } |
| 714 | |
Mark Brown | 5b2eec3 | 2012-07-04 17:32:05 +0100 | [diff] [blame] | 715 | static int arizona_dai_set_sysclk(struct snd_soc_dai *dai, |
| 716 | int clk_id, unsigned int freq, int dir) |
| 717 | { |
| 718 | struct snd_soc_codec *codec = dai->codec; |
| 719 | struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec); |
| 720 | struct arizona_dai_priv *dai_priv = &priv->dai[dai->id - 1]; |
Mark Brown | 410837a | 2012-07-05 17:26:59 +0100 | [diff] [blame] | 721 | struct snd_soc_dapm_route routes[2]; |
Mark Brown | 5b2eec3 | 2012-07-04 17:32:05 +0100 | [diff] [blame] | 722 | |
| 723 | switch (clk_id) { |
| 724 | case ARIZONA_CLK_SYSCLK: |
| 725 | case ARIZONA_CLK_ASYNCCLK: |
| 726 | break; |
| 727 | default: |
| 728 | return -EINVAL; |
| 729 | } |
| 730 | |
Mark Brown | 410837a | 2012-07-05 17:26:59 +0100 | [diff] [blame] | 731 | if (clk_id == dai_priv->clk) |
| 732 | return 0; |
| 733 | |
| 734 | if (dai->active) { |
Mark Brown | 5b2eec3 | 2012-07-04 17:32:05 +0100 | [diff] [blame] | 735 | dev_err(codec->dev, "Can't change clock on active DAI %d\n", |
| 736 | dai->id); |
| 737 | return -EBUSY; |
| 738 | } |
| 739 | |
Mark Brown | 410837a | 2012-07-05 17:26:59 +0100 | [diff] [blame] | 740 | memset(&routes, 0, sizeof(routes)); |
| 741 | routes[0].sink = dai->driver->capture.stream_name; |
| 742 | routes[1].sink = dai->driver->playback.stream_name; |
Mark Brown | 5b2eec3 | 2012-07-04 17:32:05 +0100 | [diff] [blame] | 743 | |
Mark Brown | 410837a | 2012-07-05 17:26:59 +0100 | [diff] [blame] | 744 | routes[0].source = arizona_dai_clk_str(dai_priv->clk); |
| 745 | routes[1].source = arizona_dai_clk_str(dai_priv->clk); |
| 746 | snd_soc_dapm_del_routes(&codec->dapm, routes, ARRAY_SIZE(routes)); |
| 747 | |
| 748 | routes[0].source = arizona_dai_clk_str(clk_id); |
| 749 | routes[1].source = arizona_dai_clk_str(clk_id); |
| 750 | snd_soc_dapm_add_routes(&codec->dapm, routes, ARRAY_SIZE(routes)); |
| 751 | |
| 752 | return snd_soc_dapm_sync(&codec->dapm); |
Mark Brown | 5b2eec3 | 2012-07-04 17:32:05 +0100 | [diff] [blame] | 753 | } |
| 754 | |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 755 | const struct snd_soc_dai_ops arizona_dai_ops = { |
Mark Brown | 5b2eec3 | 2012-07-04 17:32:05 +0100 | [diff] [blame] | 756 | .startup = arizona_startup, |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 757 | .set_fmt = arizona_set_fmt, |
| 758 | .hw_params = arizona_hw_params, |
Mark Brown | 5b2eec3 | 2012-07-04 17:32:05 +0100 | [diff] [blame] | 759 | .set_sysclk = arizona_dai_set_sysclk, |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 760 | }; |
Mark Brown | a837987 | 2012-07-09 12:16:41 +0100 | [diff] [blame] | 761 | EXPORT_SYMBOL_GPL(arizona_dai_ops); |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 762 | |
Mark Brown | 5b2eec3 | 2012-07-04 17:32:05 +0100 | [diff] [blame] | 763 | int arizona_init_dai(struct arizona_priv *priv, int id) |
| 764 | { |
| 765 | struct arizona_dai_priv *dai_priv = &priv->dai[id]; |
| 766 | |
| 767 | dai_priv->clk = ARIZONA_CLK_SYSCLK; |
| 768 | |
| 769 | return 0; |
| 770 | } |
| 771 | EXPORT_SYMBOL_GPL(arizona_init_dai); |
| 772 | |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 773 | static irqreturn_t arizona_fll_lock(int irq, void *data) |
| 774 | { |
| 775 | struct arizona_fll *fll = data; |
| 776 | |
Mark Brown | 6b31595 | 2012-09-12 18:44:40 +0800 | [diff] [blame] | 777 | arizona_fll_dbg(fll, "Lock status changed\n"); |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 778 | |
| 779 | complete(&fll->lock); |
| 780 | |
| 781 | return IRQ_HANDLED; |
| 782 | } |
| 783 | |
| 784 | static irqreturn_t arizona_fll_clock_ok(int irq, void *data) |
| 785 | { |
| 786 | struct arizona_fll *fll = data; |
| 787 | |
| 788 | arizona_fll_dbg(fll, "clock OK\n"); |
| 789 | |
| 790 | complete(&fll->ok); |
| 791 | |
| 792 | return IRQ_HANDLED; |
| 793 | } |
| 794 | |
| 795 | static struct { |
| 796 | unsigned int min; |
| 797 | unsigned int max; |
| 798 | u16 fratio; |
| 799 | int ratio; |
| 800 | } fll_fratios[] = { |
| 801 | { 0, 64000, 4, 16 }, |
| 802 | { 64000, 128000, 3, 8 }, |
| 803 | { 128000, 256000, 2, 4 }, |
| 804 | { 256000, 1000000, 1, 2 }, |
| 805 | { 1000000, 13500000, 0, 1 }, |
| 806 | }; |
| 807 | |
| 808 | struct arizona_fll_cfg { |
| 809 | int n; |
| 810 | int theta; |
| 811 | int lambda; |
| 812 | int refdiv; |
| 813 | int outdiv; |
| 814 | int fratio; |
| 815 | }; |
| 816 | |
| 817 | static int arizona_calc_fll(struct arizona_fll *fll, |
| 818 | struct arizona_fll_cfg *cfg, |
| 819 | unsigned int Fref, |
| 820 | unsigned int Fout) |
| 821 | { |
| 822 | unsigned int target, div, gcd_fll; |
| 823 | int i, ratio; |
| 824 | |
| 825 | arizona_fll_dbg(fll, "Fref=%u Fout=%u\n", Fref, Fout); |
| 826 | |
| 827 | /* Fref must be <=13.5MHz */ |
| 828 | div = 1; |
| 829 | cfg->refdiv = 0; |
| 830 | while ((Fref / div) > 13500000) { |
| 831 | div *= 2; |
| 832 | cfg->refdiv++; |
| 833 | |
| 834 | if (div > 8) { |
| 835 | arizona_fll_err(fll, |
| 836 | "Can't scale %dMHz in to <=13.5MHz\n", |
| 837 | Fref); |
| 838 | return -EINVAL; |
| 839 | } |
| 840 | } |
| 841 | |
| 842 | /* Apply the division for our remaining calculations */ |
| 843 | Fref /= div; |
| 844 | |
Mark Brown | 2b4d39f | 2012-07-10 17:03:46 +0100 | [diff] [blame] | 845 | /* Fvco should be over the targt; don't check the upper bound */ |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 846 | div = 1; |
Mark Brown | 2b4d39f | 2012-07-10 17:03:46 +0100 | [diff] [blame] | 847 | while (Fout * div < 90000000 * fll->vco_mult) { |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 848 | div++; |
| 849 | if (div > 7) { |
| 850 | arizona_fll_err(fll, "No FLL_OUTDIV for Fout=%uHz\n", |
| 851 | Fout); |
| 852 | return -EINVAL; |
| 853 | } |
| 854 | } |
Mark Brown | 2b4d39f | 2012-07-10 17:03:46 +0100 | [diff] [blame] | 855 | target = Fout * div / fll->vco_mult; |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 856 | cfg->outdiv = div; |
| 857 | |
| 858 | arizona_fll_dbg(fll, "Fvco=%dHz\n", target); |
| 859 | |
| 860 | /* Find an appropraite FLL_FRATIO and factor it out of the target */ |
| 861 | for (i = 0; i < ARRAY_SIZE(fll_fratios); i++) { |
| 862 | if (fll_fratios[i].min <= Fref && Fref <= fll_fratios[i].max) { |
| 863 | cfg->fratio = fll_fratios[i].fratio; |
| 864 | ratio = fll_fratios[i].ratio; |
| 865 | break; |
| 866 | } |
| 867 | } |
| 868 | if (i == ARRAY_SIZE(fll_fratios)) { |
| 869 | arizona_fll_err(fll, "Unable to find FRATIO for Fref=%uHz\n", |
| 870 | Fref); |
| 871 | return -EINVAL; |
| 872 | } |
| 873 | |
| 874 | cfg->n = target / (ratio * Fref); |
| 875 | |
| 876 | if (target % Fref) { |
| 877 | gcd_fll = gcd(target, ratio * Fref); |
| 878 | arizona_fll_dbg(fll, "GCD=%u\n", gcd_fll); |
| 879 | |
| 880 | cfg->theta = (target - (cfg->n * ratio * Fref)) |
| 881 | / gcd_fll; |
| 882 | cfg->lambda = (ratio * Fref) / gcd_fll; |
| 883 | } else { |
| 884 | cfg->theta = 0; |
| 885 | cfg->lambda = 0; |
| 886 | } |
| 887 | |
| 888 | arizona_fll_dbg(fll, "N=%x THETA=%x LAMBDA=%x\n", |
| 889 | cfg->n, cfg->theta, cfg->lambda); |
| 890 | arizona_fll_dbg(fll, "FRATIO=%x(%d) OUTDIV=%x REFCLK_DIV=%x\n", |
| 891 | cfg->fratio, cfg->fratio, cfg->outdiv, cfg->refdiv); |
| 892 | |
| 893 | return 0; |
| 894 | |
| 895 | } |
| 896 | |
| 897 | static void arizona_apply_fll(struct arizona *arizona, unsigned int base, |
| 898 | struct arizona_fll_cfg *cfg, int source) |
| 899 | { |
| 900 | regmap_update_bits(arizona->regmap, base + 3, |
| 901 | ARIZONA_FLL1_THETA_MASK, cfg->theta); |
| 902 | regmap_update_bits(arizona->regmap, base + 4, |
| 903 | ARIZONA_FLL1_LAMBDA_MASK, cfg->lambda); |
| 904 | regmap_update_bits(arizona->regmap, base + 5, |
| 905 | ARIZONA_FLL1_FRATIO_MASK, |
| 906 | cfg->fratio << ARIZONA_FLL1_FRATIO_SHIFT); |
| 907 | regmap_update_bits(arizona->regmap, base + 6, |
| 908 | ARIZONA_FLL1_CLK_REF_DIV_MASK | |
| 909 | ARIZONA_FLL1_CLK_REF_SRC_MASK, |
| 910 | cfg->refdiv << ARIZONA_FLL1_CLK_REF_DIV_SHIFT | |
| 911 | source << ARIZONA_FLL1_CLK_REF_SRC_SHIFT); |
| 912 | |
| 913 | regmap_update_bits(arizona->regmap, base + 2, |
| 914 | ARIZONA_FLL1_CTRL_UPD | ARIZONA_FLL1_N_MASK, |
| 915 | ARIZONA_FLL1_CTRL_UPD | cfg->n); |
| 916 | } |
| 917 | |
| 918 | int arizona_set_fll(struct arizona_fll *fll, int source, |
| 919 | unsigned int Fref, unsigned int Fout) |
| 920 | { |
| 921 | struct arizona *arizona = fll->arizona; |
| 922 | struct arizona_fll_cfg cfg, sync; |
| 923 | unsigned int reg, val; |
| 924 | int syncsrc; |
| 925 | bool ena; |
| 926 | int ret; |
| 927 | |
| 928 | ret = regmap_read(arizona->regmap, fll->base + 1, ®); |
| 929 | if (ret != 0) { |
| 930 | arizona_fll_err(fll, "Failed to read current state: %d\n", |
| 931 | ret); |
| 932 | return ret; |
| 933 | } |
| 934 | ena = reg & ARIZONA_FLL1_ENA; |
| 935 | |
| 936 | if (Fout) { |
| 937 | /* Do we have a 32kHz reference? */ |
| 938 | regmap_read(arizona->regmap, ARIZONA_CLOCK_32K_1, &val); |
| 939 | switch (val & ARIZONA_CLK_32K_SRC_MASK) { |
| 940 | case ARIZONA_CLK_SRC_MCLK1: |
| 941 | case ARIZONA_CLK_SRC_MCLK2: |
| 942 | syncsrc = val & ARIZONA_CLK_32K_SRC_MASK; |
| 943 | break; |
| 944 | default: |
| 945 | syncsrc = -1; |
| 946 | } |
| 947 | |
| 948 | if (source == syncsrc) |
| 949 | syncsrc = -1; |
| 950 | |
| 951 | if (syncsrc >= 0) { |
| 952 | ret = arizona_calc_fll(fll, &sync, Fref, Fout); |
| 953 | if (ret != 0) |
| 954 | return ret; |
| 955 | |
| 956 | ret = arizona_calc_fll(fll, &cfg, 32768, Fout); |
| 957 | if (ret != 0) |
| 958 | return ret; |
| 959 | } else { |
| 960 | ret = arizona_calc_fll(fll, &cfg, Fref, Fout); |
| 961 | if (ret != 0) |
| 962 | return ret; |
| 963 | } |
| 964 | } else { |
| 965 | regmap_update_bits(arizona->regmap, fll->base + 1, |
| 966 | ARIZONA_FLL1_ENA, 0); |
| 967 | regmap_update_bits(arizona->regmap, fll->base + 0x11, |
| 968 | ARIZONA_FLL1_SYNC_ENA, 0); |
| 969 | |
| 970 | if (ena) |
| 971 | pm_runtime_put_autosuspend(arizona->dev); |
| 972 | |
| 973 | return 0; |
| 974 | } |
| 975 | |
| 976 | regmap_update_bits(arizona->regmap, fll->base + 5, |
| 977 | ARIZONA_FLL1_OUTDIV_MASK, |
| 978 | cfg.outdiv << ARIZONA_FLL1_OUTDIV_SHIFT); |
| 979 | |
| 980 | if (syncsrc >= 0) { |
| 981 | arizona_apply_fll(arizona, fll->base, &cfg, syncsrc); |
| 982 | arizona_apply_fll(arizona, fll->base + 0x10, &sync, source); |
| 983 | } else { |
| 984 | arizona_apply_fll(arizona, fll->base, &cfg, source); |
| 985 | } |
| 986 | |
| 987 | if (!ena) |
| 988 | pm_runtime_get(arizona->dev); |
| 989 | |
| 990 | /* Clear any pending completions */ |
| 991 | try_wait_for_completion(&fll->ok); |
| 992 | |
| 993 | regmap_update_bits(arizona->regmap, fll->base + 1, |
| 994 | ARIZONA_FLL1_ENA, ARIZONA_FLL1_ENA); |
| 995 | if (syncsrc >= 0) |
| 996 | regmap_update_bits(arizona->regmap, fll->base + 0x11, |
| 997 | ARIZONA_FLL1_SYNC_ENA, |
| 998 | ARIZONA_FLL1_SYNC_ENA); |
| 999 | |
| 1000 | ret = wait_for_completion_timeout(&fll->ok, |
| 1001 | msecs_to_jiffies(25)); |
| 1002 | if (ret == 0) |
| 1003 | arizona_fll_warn(fll, "Timed out waiting for lock\n"); |
| 1004 | |
| 1005 | return 0; |
| 1006 | } |
| 1007 | EXPORT_SYMBOL_GPL(arizona_set_fll); |
| 1008 | |
| 1009 | int arizona_init_fll(struct arizona *arizona, int id, int base, int lock_irq, |
| 1010 | int ok_irq, struct arizona_fll *fll) |
| 1011 | { |
| 1012 | int ret; |
| 1013 | |
| 1014 | init_completion(&fll->lock); |
| 1015 | init_completion(&fll->ok); |
| 1016 | |
| 1017 | fll->id = id; |
| 1018 | fll->base = base; |
| 1019 | fll->arizona = arizona; |
| 1020 | |
| 1021 | snprintf(fll->lock_name, sizeof(fll->lock_name), "FLL%d lock", id); |
| 1022 | snprintf(fll->clock_ok_name, sizeof(fll->clock_ok_name), |
| 1023 | "FLL%d clock OK", id); |
| 1024 | |
| 1025 | ret = arizona_request_irq(arizona, lock_irq, fll->lock_name, |
| 1026 | arizona_fll_lock, fll); |
| 1027 | if (ret != 0) { |
| 1028 | dev_err(arizona->dev, "Failed to get FLL%d lock IRQ: %d\n", |
| 1029 | id, ret); |
| 1030 | } |
| 1031 | |
| 1032 | ret = arizona_request_irq(arizona, ok_irq, fll->clock_ok_name, |
| 1033 | arizona_fll_clock_ok, fll); |
| 1034 | if (ret != 0) { |
| 1035 | dev_err(arizona->dev, "Failed to get FLL%d clock OK IRQ: %d\n", |
| 1036 | id, ret); |
| 1037 | } |
| 1038 | |
| 1039 | return 0; |
| 1040 | } |
| 1041 | EXPORT_SYMBOL_GPL(arizona_init_fll); |
| 1042 | |
| 1043 | MODULE_DESCRIPTION("ASoC Wolfson Arizona class device support"); |
| 1044 | MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>"); |
| 1045 | MODULE_LICENSE("GPL"); |