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, ...) \ |
Mark Brown | 9092a6e | 2013-02-06 17:58:57 +0000 | [diff] [blame] | 59 | dev_dbg(_fll->arizona->dev, "FLL%d: " fmt, _fll->id, ##__VA_ARGS__) |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 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, ...) \ |
Mark Brown | 9092a6e | 2013-02-06 17:58:57 +0000 | [diff] [blame] | 66 | dev_dbg(_dai->dev, "AIF%d: " fmt, _dai->id, ##__VA_ARGS__) |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 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", |
Mark Brown | 91660bd | 2012-12-05 20:35:24 +0900 | [diff] [blame] | 144 | "ISRC1INT1", |
| 145 | "ISRC1INT2", |
| 146 | "ISRC1INT3", |
| 147 | "ISRC1INT4", |
| 148 | "ISRC1DEC1", |
| 149 | "ISRC1DEC2", |
| 150 | "ISRC1DEC3", |
| 151 | "ISRC1DEC4", |
| 152 | "ISRC2INT1", |
| 153 | "ISRC2INT2", |
| 154 | "ISRC2INT3", |
| 155 | "ISRC2INT4", |
| 156 | "ISRC2DEC1", |
| 157 | "ISRC2DEC2", |
| 158 | "ISRC2DEC3", |
| 159 | "ISRC2DEC4", |
| 160 | "ISRC3INT1", |
| 161 | "ISRC3INT2", |
| 162 | "ISRC3INT3", |
| 163 | "ISRC3INT4", |
| 164 | "ISRC3DEC1", |
| 165 | "ISRC3DEC2", |
| 166 | "ISRC3DEC3", |
| 167 | "ISRC3DEC4", |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 168 | }; |
| 169 | EXPORT_SYMBOL_GPL(arizona_mixer_texts); |
| 170 | |
| 171 | int arizona_mixer_values[ARIZONA_NUM_MIXER_INPUTS] = { |
| 172 | 0x00, /* None */ |
| 173 | 0x04, /* Tone */ |
| 174 | 0x05, |
| 175 | 0x06, /* Haptics */ |
| 176 | 0x08, /* AEC */ |
| 177 | 0x0c, /* Noise mixer */ |
| 178 | 0x0d, /* Comfort noise */ |
| 179 | 0x10, /* IN1L */ |
| 180 | 0x11, |
| 181 | 0x12, |
| 182 | 0x13, |
| 183 | 0x14, |
| 184 | 0x15, |
Mark Brown | c9c56fd | 2012-07-09 19:09:01 +0100 | [diff] [blame] | 185 | 0x16, |
| 186 | 0x17, |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 187 | 0x20, /* AIF1RX1 */ |
| 188 | 0x21, |
| 189 | 0x22, |
| 190 | 0x23, |
| 191 | 0x24, |
| 192 | 0x25, |
| 193 | 0x26, |
| 194 | 0x27, |
| 195 | 0x28, /* AIF2RX1 */ |
| 196 | 0x29, |
| 197 | 0x30, /* AIF3RX1 */ |
| 198 | 0x31, |
| 199 | 0x38, /* SLIMRX1 */ |
| 200 | 0x39, |
| 201 | 0x3a, |
| 202 | 0x3b, |
| 203 | 0x3c, |
| 204 | 0x3d, |
| 205 | 0x3e, |
| 206 | 0x3f, |
| 207 | 0x50, /* EQ1 */ |
| 208 | 0x51, |
| 209 | 0x52, |
| 210 | 0x53, |
| 211 | 0x58, /* DRC1L */ |
| 212 | 0x59, |
| 213 | 0x5a, |
| 214 | 0x5b, |
| 215 | 0x60, /* LHPF1 */ |
| 216 | 0x61, |
| 217 | 0x62, |
| 218 | 0x63, |
| 219 | 0x68, /* DSP1.1 */ |
| 220 | 0x69, |
| 221 | 0x6a, |
| 222 | 0x6b, |
| 223 | 0x6c, |
| 224 | 0x6d, |
Mark Brown | c922cc4 | 2012-09-26 16:43:44 +0100 | [diff] [blame] | 225 | 0x70, /* DSP2.1 */ |
| 226 | 0x71, |
| 227 | 0x72, |
| 228 | 0x73, |
| 229 | 0x74, |
| 230 | 0x75, |
| 231 | 0x78, /* DSP3.1 */ |
| 232 | 0x79, |
| 233 | 0x7a, |
| 234 | 0x7b, |
| 235 | 0x7c, |
| 236 | 0x7d, |
| 237 | 0x80, /* DSP4.1 */ |
| 238 | 0x81, |
| 239 | 0x82, |
| 240 | 0x83, |
| 241 | 0x84, |
| 242 | 0x85, |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 243 | 0x90, /* ASRC1L */ |
| 244 | 0x91, |
| 245 | 0x92, |
| 246 | 0x93, |
Mark Brown | 91660bd | 2012-12-05 20:35:24 +0900 | [diff] [blame] | 247 | 0xa0, /* ISRC1INT1 */ |
| 248 | 0xa1, |
| 249 | 0xa2, |
| 250 | 0xa3, |
| 251 | 0xa4, /* ISRC1DEC1 */ |
| 252 | 0xa5, |
| 253 | 0xa6, |
| 254 | 0xa7, |
| 255 | 0xa8, /* ISRC2DEC1 */ |
| 256 | 0xa9, |
| 257 | 0xaa, |
| 258 | 0xab, |
| 259 | 0xac, /* ISRC2INT1 */ |
| 260 | 0xad, |
| 261 | 0xae, |
| 262 | 0xaf, |
| 263 | 0xb0, /* ISRC3DEC1 */ |
| 264 | 0xb1, |
| 265 | 0xb2, |
| 266 | 0xb3, |
| 267 | 0xb4, /* ISRC3INT1 */ |
| 268 | 0xb5, |
| 269 | 0xb6, |
| 270 | 0xb7, |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 271 | }; |
| 272 | EXPORT_SYMBOL_GPL(arizona_mixer_values); |
| 273 | |
| 274 | const DECLARE_TLV_DB_SCALE(arizona_mixer_tlv, -3200, 100, 0); |
| 275 | EXPORT_SYMBOL_GPL(arizona_mixer_tlv); |
| 276 | |
Mark Brown | e853a00 | 2012-12-09 12:25:52 +0900 | [diff] [blame] | 277 | static const char *arizona_vol_ramp_text[] = { |
| 278 | "0ms/6dB", "0.5ms/6dB", "1ms/6dB", "2ms/6dB", "4ms/6dB", "8ms/6dB", |
| 279 | "15ms/6dB", "30ms/6dB", |
| 280 | }; |
| 281 | |
| 282 | const struct soc_enum arizona_in_vd_ramp = |
| 283 | SOC_ENUM_SINGLE(ARIZONA_INPUT_VOLUME_RAMP, |
| 284 | ARIZONA_IN_VD_RAMP_SHIFT, 7, arizona_vol_ramp_text); |
| 285 | EXPORT_SYMBOL_GPL(arizona_in_vd_ramp); |
| 286 | |
| 287 | const struct soc_enum arizona_in_vi_ramp = |
| 288 | SOC_ENUM_SINGLE(ARIZONA_INPUT_VOLUME_RAMP, |
| 289 | ARIZONA_IN_VI_RAMP_SHIFT, 7, arizona_vol_ramp_text); |
| 290 | EXPORT_SYMBOL_GPL(arizona_in_vi_ramp); |
| 291 | |
| 292 | const struct soc_enum arizona_out_vd_ramp = |
| 293 | SOC_ENUM_SINGLE(ARIZONA_OUTPUT_VOLUME_RAMP, |
| 294 | ARIZONA_OUT_VD_RAMP_SHIFT, 7, arizona_vol_ramp_text); |
| 295 | EXPORT_SYMBOL_GPL(arizona_out_vd_ramp); |
| 296 | |
| 297 | const struct soc_enum arizona_out_vi_ramp = |
| 298 | SOC_ENUM_SINGLE(ARIZONA_OUTPUT_VOLUME_RAMP, |
| 299 | ARIZONA_OUT_VI_RAMP_SHIFT, 7, arizona_vol_ramp_text); |
| 300 | EXPORT_SYMBOL_GPL(arizona_out_vi_ramp); |
| 301 | |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 302 | static const char *arizona_lhpf_mode_text[] = { |
| 303 | "Low-pass", "High-pass" |
| 304 | }; |
| 305 | |
| 306 | const struct soc_enum arizona_lhpf1_mode = |
| 307 | SOC_ENUM_SINGLE(ARIZONA_HPLPF1_1, ARIZONA_LHPF1_MODE_SHIFT, 2, |
| 308 | arizona_lhpf_mode_text); |
| 309 | EXPORT_SYMBOL_GPL(arizona_lhpf1_mode); |
| 310 | |
| 311 | const struct soc_enum arizona_lhpf2_mode = |
| 312 | SOC_ENUM_SINGLE(ARIZONA_HPLPF2_1, ARIZONA_LHPF2_MODE_SHIFT, 2, |
| 313 | arizona_lhpf_mode_text); |
| 314 | EXPORT_SYMBOL_GPL(arizona_lhpf2_mode); |
| 315 | |
| 316 | const struct soc_enum arizona_lhpf3_mode = |
| 317 | SOC_ENUM_SINGLE(ARIZONA_HPLPF3_1, ARIZONA_LHPF3_MODE_SHIFT, 2, |
| 318 | arizona_lhpf_mode_text); |
| 319 | EXPORT_SYMBOL_GPL(arizona_lhpf3_mode); |
| 320 | |
| 321 | const struct soc_enum arizona_lhpf4_mode = |
| 322 | SOC_ENUM_SINGLE(ARIZONA_HPLPF4_1, ARIZONA_LHPF4_MODE_SHIFT, 2, |
| 323 | arizona_lhpf_mode_text); |
| 324 | EXPORT_SYMBOL_GPL(arizona_lhpf4_mode); |
| 325 | |
Mark Brown | 845571c | 2012-12-18 13:47:57 +0000 | [diff] [blame] | 326 | static const char *arizona_ng_hold_text[] = { |
| 327 | "30ms", "120ms", "250ms", "500ms", |
| 328 | }; |
| 329 | |
| 330 | const struct soc_enum arizona_ng_hold = |
| 331 | SOC_ENUM_SINGLE(ARIZONA_NOISE_GATE_CONTROL, ARIZONA_NGATE_HOLD_SHIFT, |
| 332 | 4, arizona_ng_hold_text); |
| 333 | EXPORT_SYMBOL_GPL(arizona_ng_hold); |
| 334 | |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 335 | int arizona_in_ev(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, |
| 336 | int event) |
| 337 | { |
Mark Brown | 43cd8bf | 2013-02-06 16:57:29 +0000 | [diff] [blame] | 338 | unsigned int reg; |
| 339 | |
| 340 | if (w->shift % 2) |
| 341 | reg = ARIZONA_ADC_DIGITAL_VOLUME_1L + ((w->shift / 2) * 8); |
| 342 | else |
| 343 | reg = ARIZONA_ADC_DIGITAL_VOLUME_1R + ((w->shift / 2) * 8); |
| 344 | |
| 345 | switch (event) { |
| 346 | case SND_SOC_DAPM_POST_PMU: |
| 347 | snd_soc_update_bits(w->codec, reg, ARIZONA_IN1L_MUTE, 0); |
| 348 | break; |
| 349 | case SND_SOC_DAPM_PRE_PMD: |
| 350 | snd_soc_update_bits(w->codec, reg, ARIZONA_IN1L_MUTE, |
| 351 | ARIZONA_IN1L_MUTE); |
| 352 | break; |
| 353 | } |
| 354 | |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 355 | return 0; |
| 356 | } |
| 357 | EXPORT_SYMBOL_GPL(arizona_in_ev); |
| 358 | |
| 359 | int arizona_out_ev(struct snd_soc_dapm_widget *w, |
| 360 | struct snd_kcontrol *kcontrol, |
| 361 | int event) |
| 362 | { |
| 363 | return 0; |
| 364 | } |
| 365 | EXPORT_SYMBOL_GPL(arizona_out_ev); |
| 366 | |
Mark Brown | f607e31 | 2013-02-22 18:36:53 +0000 | [diff] [blame^] | 367 | int arizona_hp_ev(struct snd_soc_dapm_widget *w, |
| 368 | struct snd_kcontrol *kcontrol, |
| 369 | int event) |
| 370 | { |
| 371 | struct arizona_priv *priv = snd_soc_codec_get_drvdata(w->codec); |
| 372 | unsigned int mask = 1 << w->shift; |
| 373 | unsigned int val; |
| 374 | |
| 375 | switch (event) { |
| 376 | case SND_SOC_DAPM_POST_PMU: |
| 377 | val = mask; |
| 378 | break; |
| 379 | case SND_SOC_DAPM_PRE_PMD: |
| 380 | val = 0; |
| 381 | break; |
| 382 | default: |
| 383 | return -EINVAL; |
| 384 | } |
| 385 | |
| 386 | /* Store the desired state for the HP outputs */ |
| 387 | priv->arizona->hp_ena &= ~mask; |
| 388 | priv->arizona->hp_ena |= val; |
| 389 | |
| 390 | /* Force off if HPDET magic is active */ |
| 391 | if (priv->arizona->hpdet_magic) |
| 392 | val = 0; |
| 393 | |
| 394 | snd_soc_update_bits(w->codec, ARIZONA_OUTPUT_ENABLES_1, mask, val); |
| 395 | |
| 396 | return arizona_out_ev(w, kcontrol, event); |
| 397 | } |
| 398 | EXPORT_SYMBOL_GPL(arizona_hp_ev); |
| 399 | |
Mark Brown | cbd840d | 2012-08-08 17:52:44 +0100 | [diff] [blame] | 400 | static unsigned int arizona_sysclk_48k_rates[] = { |
| 401 | 6144000, |
| 402 | 12288000, |
Dimitris Papastamos | 96e1f18 | 2012-11-15 11:41:30 +0000 | [diff] [blame] | 403 | 24576000, |
Mark Brown | cbd840d | 2012-08-08 17:52:44 +0100 | [diff] [blame] | 404 | 49152000, |
Mark Brown | aeaeee1 | 2012-09-26 17:50:02 +0100 | [diff] [blame] | 405 | 73728000, |
| 406 | 98304000, |
| 407 | 147456000, |
Mark Brown | cbd840d | 2012-08-08 17:52:44 +0100 | [diff] [blame] | 408 | }; |
| 409 | |
| 410 | static unsigned int arizona_sysclk_44k1_rates[] = { |
| 411 | 5644800, |
| 412 | 11289600, |
Dimitris Papastamos | 96e1f18 | 2012-11-15 11:41:30 +0000 | [diff] [blame] | 413 | 22579200, |
Mark Brown | cbd840d | 2012-08-08 17:52:44 +0100 | [diff] [blame] | 414 | 45158400, |
Mark Brown | aeaeee1 | 2012-09-26 17:50:02 +0100 | [diff] [blame] | 415 | 67737600, |
| 416 | 90316800, |
| 417 | 135475200, |
Mark Brown | cbd840d | 2012-08-08 17:52:44 +0100 | [diff] [blame] | 418 | }; |
| 419 | |
| 420 | static int arizona_set_opclk(struct snd_soc_codec *codec, unsigned int clk, |
| 421 | unsigned int freq) |
| 422 | { |
| 423 | struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec); |
| 424 | unsigned int reg; |
| 425 | unsigned int *rates; |
| 426 | int ref, div, refclk; |
| 427 | |
| 428 | switch (clk) { |
| 429 | case ARIZONA_CLK_OPCLK: |
| 430 | reg = ARIZONA_OUTPUT_SYSTEM_CLOCK; |
| 431 | refclk = priv->sysclk; |
| 432 | break; |
| 433 | case ARIZONA_CLK_ASYNC_OPCLK: |
| 434 | reg = ARIZONA_OUTPUT_ASYNC_CLOCK; |
| 435 | refclk = priv->asyncclk; |
| 436 | break; |
| 437 | default: |
| 438 | return -EINVAL; |
| 439 | } |
| 440 | |
| 441 | if (refclk % 8000) |
| 442 | rates = arizona_sysclk_44k1_rates; |
| 443 | else |
| 444 | rates = arizona_sysclk_48k_rates; |
| 445 | |
| 446 | for (ref = 0; ref < ARRAY_SIZE(arizona_sysclk_48k_rates) && |
| 447 | rates[ref] <= refclk; ref++) { |
| 448 | div = 1; |
| 449 | while (rates[ref] / div >= freq && div < 32) { |
| 450 | if (rates[ref] / div == freq) { |
| 451 | dev_dbg(codec->dev, "Configured %dHz OPCLK\n", |
| 452 | freq); |
| 453 | snd_soc_update_bits(codec, reg, |
| 454 | ARIZONA_OPCLK_DIV_MASK | |
| 455 | ARIZONA_OPCLK_SEL_MASK, |
| 456 | (div << |
| 457 | ARIZONA_OPCLK_DIV_SHIFT) | |
| 458 | ref); |
| 459 | return 0; |
| 460 | } |
| 461 | div++; |
| 462 | } |
| 463 | } |
| 464 | |
| 465 | dev_err(codec->dev, "Unable to generate %dHz OPCLK\n", freq); |
| 466 | return -EINVAL; |
| 467 | } |
| 468 | |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 469 | int arizona_set_sysclk(struct snd_soc_codec *codec, int clk_id, |
| 470 | int source, unsigned int freq, int dir) |
| 471 | { |
| 472 | struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec); |
| 473 | struct arizona *arizona = priv->arizona; |
| 474 | char *name; |
| 475 | unsigned int reg; |
| 476 | unsigned int mask = ARIZONA_SYSCLK_FREQ_MASK | ARIZONA_SYSCLK_SRC_MASK; |
| 477 | unsigned int val = source << ARIZONA_SYSCLK_SRC_SHIFT; |
| 478 | unsigned int *clk; |
| 479 | |
| 480 | switch (clk_id) { |
| 481 | case ARIZONA_CLK_SYSCLK: |
| 482 | name = "SYSCLK"; |
| 483 | reg = ARIZONA_SYSTEM_CLOCK_1; |
| 484 | clk = &priv->sysclk; |
| 485 | mask |= ARIZONA_SYSCLK_FRAC; |
| 486 | break; |
| 487 | case ARIZONA_CLK_ASYNCCLK: |
| 488 | name = "ASYNCCLK"; |
| 489 | reg = ARIZONA_ASYNC_CLOCK_1; |
| 490 | clk = &priv->asyncclk; |
| 491 | break; |
Mark Brown | cbd840d | 2012-08-08 17:52:44 +0100 | [diff] [blame] | 492 | case ARIZONA_CLK_OPCLK: |
| 493 | case ARIZONA_CLK_ASYNC_OPCLK: |
| 494 | return arizona_set_opclk(codec, clk_id, freq); |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 495 | default: |
| 496 | return -EINVAL; |
| 497 | } |
| 498 | |
| 499 | switch (freq) { |
| 500 | case 5644800: |
| 501 | case 6144000: |
| 502 | break; |
| 503 | case 11289600: |
| 504 | case 12288000: |
| 505 | val |= 1 << ARIZONA_SYSCLK_FREQ_SHIFT; |
| 506 | break; |
| 507 | case 22579200: |
| 508 | case 24576000: |
| 509 | val |= 2 << ARIZONA_SYSCLK_FREQ_SHIFT; |
| 510 | break; |
| 511 | case 45158400: |
| 512 | case 49152000: |
| 513 | val |= 3 << ARIZONA_SYSCLK_FREQ_SHIFT; |
| 514 | break; |
Mark Brown | 3811336 | 2012-11-26 16:01:37 +0000 | [diff] [blame] | 515 | case 67737600: |
| 516 | case 73728000: |
| 517 | val |= 4 << ARIZONA_SYSCLK_FREQ_SHIFT; |
| 518 | break; |
| 519 | case 90316800: |
| 520 | case 98304000: |
| 521 | val |= 5 << ARIZONA_SYSCLK_FREQ_SHIFT; |
| 522 | break; |
| 523 | case 135475200: |
| 524 | case 147456000: |
| 525 | val |= 6 << ARIZONA_SYSCLK_FREQ_SHIFT; |
| 526 | break; |
Mark Brown | f2c26d4 | 2013-01-21 16:09:36 +0900 | [diff] [blame] | 527 | case 0: |
| 528 | dev_dbg(arizona->dev, "%s cleared\n", name); |
| 529 | *clk = freq; |
| 530 | return 0; |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 531 | default: |
| 532 | return -EINVAL; |
| 533 | } |
| 534 | |
| 535 | *clk = freq; |
| 536 | |
| 537 | if (freq % 6144000) |
| 538 | val |= ARIZONA_SYSCLK_FRAC; |
| 539 | |
| 540 | dev_dbg(arizona->dev, "%s set to %uHz", name, freq); |
| 541 | |
| 542 | return regmap_update_bits(arizona->regmap, reg, mask, val); |
| 543 | } |
| 544 | EXPORT_SYMBOL_GPL(arizona_set_sysclk); |
| 545 | |
| 546 | static int arizona_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) |
| 547 | { |
| 548 | struct snd_soc_codec *codec = dai->codec; |
| 549 | int lrclk, bclk, mode, base; |
| 550 | |
| 551 | base = dai->driver->base; |
| 552 | |
| 553 | lrclk = 0; |
| 554 | bclk = 0; |
| 555 | |
| 556 | switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { |
| 557 | case SND_SOC_DAIFMT_DSP_A: |
| 558 | mode = 0; |
| 559 | break; |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 560 | case SND_SOC_DAIFMT_I2S: |
| 561 | mode = 2; |
| 562 | break; |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 563 | default: |
| 564 | arizona_aif_err(dai, "Unsupported DAI format %d\n", |
| 565 | fmt & SND_SOC_DAIFMT_FORMAT_MASK); |
| 566 | return -EINVAL; |
| 567 | } |
| 568 | |
| 569 | switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { |
| 570 | case SND_SOC_DAIFMT_CBS_CFS: |
| 571 | break; |
| 572 | case SND_SOC_DAIFMT_CBS_CFM: |
| 573 | lrclk |= ARIZONA_AIF1TX_LRCLK_MSTR; |
| 574 | break; |
| 575 | case SND_SOC_DAIFMT_CBM_CFS: |
| 576 | bclk |= ARIZONA_AIF1_BCLK_MSTR; |
| 577 | break; |
| 578 | case SND_SOC_DAIFMT_CBM_CFM: |
| 579 | bclk |= ARIZONA_AIF1_BCLK_MSTR; |
| 580 | lrclk |= ARIZONA_AIF1TX_LRCLK_MSTR; |
| 581 | break; |
| 582 | default: |
| 583 | arizona_aif_err(dai, "Unsupported master mode %d\n", |
| 584 | fmt & SND_SOC_DAIFMT_MASTER_MASK); |
| 585 | return -EINVAL; |
| 586 | } |
| 587 | |
| 588 | switch (fmt & SND_SOC_DAIFMT_INV_MASK) { |
| 589 | case SND_SOC_DAIFMT_NB_NF: |
| 590 | break; |
| 591 | case SND_SOC_DAIFMT_IB_IF: |
| 592 | bclk |= ARIZONA_AIF1_BCLK_INV; |
| 593 | lrclk |= ARIZONA_AIF1TX_LRCLK_INV; |
| 594 | break; |
| 595 | case SND_SOC_DAIFMT_IB_NF: |
| 596 | bclk |= ARIZONA_AIF1_BCLK_INV; |
| 597 | break; |
| 598 | case SND_SOC_DAIFMT_NB_IF: |
| 599 | lrclk |= ARIZONA_AIF1TX_LRCLK_INV; |
| 600 | break; |
| 601 | default: |
| 602 | return -EINVAL; |
| 603 | } |
| 604 | |
| 605 | snd_soc_update_bits(codec, base + ARIZONA_AIF_BCLK_CTRL, |
| 606 | ARIZONA_AIF1_BCLK_INV | ARIZONA_AIF1_BCLK_MSTR, |
| 607 | bclk); |
| 608 | snd_soc_update_bits(codec, base + ARIZONA_AIF_TX_PIN_CTRL, |
| 609 | ARIZONA_AIF1TX_LRCLK_INV | |
| 610 | ARIZONA_AIF1TX_LRCLK_MSTR, lrclk); |
| 611 | snd_soc_update_bits(codec, base + ARIZONA_AIF_RX_PIN_CTRL, |
| 612 | ARIZONA_AIF1RX_LRCLK_INV | |
| 613 | ARIZONA_AIF1RX_LRCLK_MSTR, lrclk); |
| 614 | snd_soc_update_bits(codec, base + ARIZONA_AIF_FORMAT, |
| 615 | ARIZONA_AIF1_FMT_MASK, mode); |
| 616 | |
| 617 | return 0; |
| 618 | } |
| 619 | |
Mark Brown | 949e6bc | 2012-07-04 18:58:04 +0100 | [diff] [blame] | 620 | static const int arizona_48k_bclk_rates[] = { |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 621 | -1, |
| 622 | 48000, |
| 623 | 64000, |
| 624 | 96000, |
| 625 | 128000, |
| 626 | 192000, |
| 627 | 256000, |
| 628 | 384000, |
| 629 | 512000, |
| 630 | 768000, |
| 631 | 1024000, |
| 632 | 1536000, |
| 633 | 2048000, |
| 634 | 3072000, |
| 635 | 4096000, |
| 636 | 6144000, |
| 637 | 8192000, |
| 638 | 12288000, |
| 639 | 24576000, |
| 640 | }; |
| 641 | |
Mark Brown | 5b2eec3 | 2012-07-04 17:32:05 +0100 | [diff] [blame] | 642 | static const unsigned int arizona_48k_rates[] = { |
| 643 | 12000, |
| 644 | 24000, |
| 645 | 48000, |
| 646 | 96000, |
| 647 | 192000, |
| 648 | 384000, |
| 649 | 768000, |
| 650 | 4000, |
| 651 | 8000, |
| 652 | 16000, |
| 653 | 32000, |
| 654 | 64000, |
| 655 | 128000, |
| 656 | 256000, |
| 657 | 512000, |
| 658 | }; |
| 659 | |
| 660 | static const struct snd_pcm_hw_constraint_list arizona_48k_constraint = { |
| 661 | .count = ARRAY_SIZE(arizona_48k_rates), |
| 662 | .list = arizona_48k_rates, |
| 663 | }; |
| 664 | |
Mark Brown | 949e6bc | 2012-07-04 18:58:04 +0100 | [diff] [blame] | 665 | static const int arizona_44k1_bclk_rates[] = { |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 666 | -1, |
| 667 | 44100, |
| 668 | 58800, |
| 669 | 88200, |
| 670 | 117600, |
| 671 | 177640, |
| 672 | 235200, |
| 673 | 352800, |
| 674 | 470400, |
| 675 | 705600, |
| 676 | 940800, |
| 677 | 1411200, |
| 678 | 1881600, |
Heather Lomond | 4758be3 | 2012-09-05 05:02:10 -0400 | [diff] [blame] | 679 | 2822400, |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 680 | 3763200, |
| 681 | 5644800, |
| 682 | 7526400, |
| 683 | 11289600, |
| 684 | 22579200, |
| 685 | }; |
| 686 | |
Mark Brown | 5b2eec3 | 2012-07-04 17:32:05 +0100 | [diff] [blame] | 687 | static const unsigned int arizona_44k1_rates[] = { |
| 688 | 11025, |
| 689 | 22050, |
| 690 | 44100, |
| 691 | 88200, |
| 692 | 176400, |
| 693 | 352800, |
| 694 | 705600, |
| 695 | }; |
| 696 | |
| 697 | static const struct snd_pcm_hw_constraint_list arizona_44k1_constraint = { |
| 698 | .count = ARRAY_SIZE(arizona_44k1_rates), |
| 699 | .list = arizona_44k1_rates, |
| 700 | }; |
| 701 | |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 702 | static int arizona_sr_vals[] = { |
| 703 | 0, |
| 704 | 12000, |
| 705 | 24000, |
| 706 | 48000, |
| 707 | 96000, |
| 708 | 192000, |
| 709 | 384000, |
| 710 | 768000, |
| 711 | 0, |
| 712 | 11025, |
| 713 | 22050, |
| 714 | 44100, |
| 715 | 88200, |
| 716 | 176400, |
| 717 | 352800, |
| 718 | 705600, |
| 719 | 4000, |
| 720 | 8000, |
| 721 | 16000, |
| 722 | 32000, |
| 723 | 64000, |
| 724 | 128000, |
| 725 | 256000, |
| 726 | 512000, |
| 727 | }; |
| 728 | |
Mark Brown | 5b2eec3 | 2012-07-04 17:32:05 +0100 | [diff] [blame] | 729 | static int arizona_startup(struct snd_pcm_substream *substream, |
| 730 | struct snd_soc_dai *dai) |
| 731 | { |
| 732 | struct snd_soc_codec *codec = dai->codec; |
| 733 | struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec); |
| 734 | struct arizona_dai_priv *dai_priv = &priv->dai[dai->id - 1]; |
| 735 | const struct snd_pcm_hw_constraint_list *constraint; |
| 736 | unsigned int base_rate; |
| 737 | |
| 738 | switch (dai_priv->clk) { |
| 739 | case ARIZONA_CLK_SYSCLK: |
| 740 | base_rate = priv->sysclk; |
| 741 | break; |
| 742 | case ARIZONA_CLK_ASYNCCLK: |
| 743 | base_rate = priv->asyncclk; |
| 744 | break; |
| 745 | default: |
| 746 | return 0; |
| 747 | } |
| 748 | |
Mark Brown | f2c26d4 | 2013-01-21 16:09:36 +0900 | [diff] [blame] | 749 | if (base_rate == 0) |
| 750 | return 0; |
| 751 | |
Mark Brown | 5b2eec3 | 2012-07-04 17:32:05 +0100 | [diff] [blame] | 752 | if (base_rate % 8000) |
| 753 | constraint = &arizona_44k1_constraint; |
| 754 | else |
| 755 | constraint = &arizona_48k_constraint; |
| 756 | |
| 757 | return snd_pcm_hw_constraint_list(substream->runtime, 0, |
| 758 | SNDRV_PCM_HW_PARAM_RATE, |
| 759 | constraint); |
| 760 | } |
| 761 | |
Mark Brown | b272efc | 2012-10-10 15:10:08 +0900 | [diff] [blame] | 762 | static int arizona_hw_params_rate(struct snd_pcm_substream *substream, |
| 763 | struct snd_pcm_hw_params *params, |
| 764 | struct snd_soc_dai *dai) |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 765 | { |
| 766 | struct snd_soc_codec *codec = dai->codec; |
Mark Brown | c013b27 | 2012-07-04 20:05:57 +0100 | [diff] [blame] | 767 | struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec); |
| 768 | struct arizona_dai_priv *dai_priv = &priv->dai[dai->id - 1]; |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 769 | int base = dai->driver->base; |
Mark Brown | b272efc | 2012-10-10 15:10:08 +0900 | [diff] [blame] | 770 | int i, sr_val; |
| 771 | |
| 772 | /* |
| 773 | * We will need to be more flexible than this in future, |
| 774 | * currently we use a single sample rate for SYSCLK. |
| 775 | */ |
| 776 | for (i = 0; i < ARRAY_SIZE(arizona_sr_vals); i++) |
| 777 | if (arizona_sr_vals[i] == params_rate(params)) |
| 778 | break; |
| 779 | if (i == ARRAY_SIZE(arizona_sr_vals)) { |
| 780 | arizona_aif_err(dai, "Unsupported sample rate %dHz\n", |
| 781 | params_rate(params)); |
| 782 | return -EINVAL; |
| 783 | } |
| 784 | sr_val = i; |
| 785 | |
| 786 | switch (dai_priv->clk) { |
| 787 | case ARIZONA_CLK_SYSCLK: |
| 788 | snd_soc_update_bits(codec, ARIZONA_SAMPLE_RATE_1, |
| 789 | ARIZONA_SAMPLE_RATE_1_MASK, sr_val); |
| 790 | if (base) |
| 791 | snd_soc_update_bits(codec, base + ARIZONA_AIF_RATE_CTRL, |
| 792 | ARIZONA_AIF1_RATE_MASK, 0); |
| 793 | break; |
| 794 | case ARIZONA_CLK_ASYNCCLK: |
| 795 | snd_soc_update_bits(codec, ARIZONA_ASYNC_SAMPLE_RATE_1, |
| 796 | ARIZONA_ASYNC_SAMPLE_RATE_MASK, sr_val); |
| 797 | if (base) |
| 798 | snd_soc_update_bits(codec, base + ARIZONA_AIF_RATE_CTRL, |
| 799 | ARIZONA_AIF1_RATE_MASK, |
| 800 | 8 << ARIZONA_AIF1_RATE_SHIFT); |
| 801 | break; |
| 802 | default: |
| 803 | arizona_aif_err(dai, "Invalid clock %d\n", dai_priv->clk); |
| 804 | return -EINVAL; |
| 805 | } |
| 806 | |
| 807 | return 0; |
| 808 | } |
| 809 | |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 810 | static int arizona_hw_params(struct snd_pcm_substream *substream, |
| 811 | struct snd_pcm_hw_params *params, |
| 812 | struct snd_soc_dai *dai) |
| 813 | { |
| 814 | struct snd_soc_codec *codec = dai->codec; |
| 815 | struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec); |
Mark Brown | c94aa30 | 2013-01-17 16:35:14 +0900 | [diff] [blame] | 816 | struct arizona *arizona = priv->arizona; |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 817 | int base = dai->driver->base; |
| 818 | const int *rates; |
Mark Brown | b272efc | 2012-10-10 15:10:08 +0900 | [diff] [blame] | 819 | int i, ret; |
Mark Brown | c94aa30 | 2013-01-17 16:35:14 +0900 | [diff] [blame] | 820 | int chan_limit = arizona->pdata.max_channels_clocked[dai->id - 1]; |
| 821 | int bclk, lrclk, wl, frame, bclk_target; |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 822 | |
| 823 | if (params_rate(params) % 8000) |
Mark Brown | 949e6bc | 2012-07-04 18:58:04 +0100 | [diff] [blame] | 824 | rates = &arizona_44k1_bclk_rates[0]; |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 825 | else |
Mark Brown | 949e6bc | 2012-07-04 18:58:04 +0100 | [diff] [blame] | 826 | rates = &arizona_48k_bclk_rates[0]; |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 827 | |
Mark Brown | c94aa30 | 2013-01-17 16:35:14 +0900 | [diff] [blame] | 828 | bclk_target = snd_soc_params_to_bclk(params); |
| 829 | if (chan_limit && chan_limit < params_channels(params)) { |
| 830 | arizona_aif_dbg(dai, "Limiting to %d channels\n", chan_limit); |
| 831 | bclk_target /= params_channels(params); |
| 832 | bclk_target *= chan_limit; |
| 833 | } |
| 834 | |
Mark Brown | 949e6bc | 2012-07-04 18:58:04 +0100 | [diff] [blame] | 835 | for (i = 0; i < ARRAY_SIZE(arizona_44k1_bclk_rates); i++) { |
Mark Brown | c94aa30 | 2013-01-17 16:35:14 +0900 | [diff] [blame] | 836 | if (rates[i] >= bclk_target && |
Mark Brown | 5001765 | 2012-07-04 19:07:09 +0100 | [diff] [blame] | 837 | rates[i] % params_rate(params) == 0) { |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 838 | bclk = i; |
| 839 | break; |
| 840 | } |
| 841 | } |
Mark Brown | 949e6bc | 2012-07-04 18:58:04 +0100 | [diff] [blame] | 842 | if (i == ARRAY_SIZE(arizona_44k1_bclk_rates)) { |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 843 | arizona_aif_err(dai, "Unsupported sample rate %dHz\n", |
| 844 | params_rate(params)); |
| 845 | return -EINVAL; |
| 846 | } |
| 847 | |
Mark Brown | b59e0f8 | 2013-01-17 14:15:59 +0900 | [diff] [blame] | 848 | lrclk = rates[bclk] / params_rate(params); |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 849 | |
| 850 | arizona_aif_dbg(dai, "BCLK %dHz LRCLK %dHz\n", |
| 851 | rates[bclk], rates[bclk] / lrclk); |
| 852 | |
| 853 | wl = snd_pcm_format_width(params_format(params)); |
| 854 | frame = wl << ARIZONA_AIF1TX_WL_SHIFT | wl; |
| 855 | |
Mark Brown | b272efc | 2012-10-10 15:10:08 +0900 | [diff] [blame] | 856 | ret = arizona_hw_params_rate(substream, params, dai); |
| 857 | if (ret != 0) |
| 858 | return ret; |
Mark Brown | c013b27 | 2012-07-04 20:05:57 +0100 | [diff] [blame] | 859 | |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 860 | snd_soc_update_bits(codec, base + ARIZONA_AIF_BCLK_CTRL, |
| 861 | ARIZONA_AIF1_BCLK_FREQ_MASK, bclk); |
| 862 | snd_soc_update_bits(codec, base + ARIZONA_AIF_TX_BCLK_RATE, |
| 863 | ARIZONA_AIF1TX_BCPF_MASK, lrclk); |
| 864 | snd_soc_update_bits(codec, base + ARIZONA_AIF_RX_BCLK_RATE, |
| 865 | ARIZONA_AIF1RX_BCPF_MASK, lrclk); |
| 866 | snd_soc_update_bits(codec, base + ARIZONA_AIF_FRAME_CTRL_1, |
| 867 | ARIZONA_AIF1TX_WL_MASK | |
| 868 | ARIZONA_AIF1TX_SLOT_LEN_MASK, frame); |
| 869 | snd_soc_update_bits(codec, base + ARIZONA_AIF_FRAME_CTRL_2, |
| 870 | ARIZONA_AIF1RX_WL_MASK | |
| 871 | ARIZONA_AIF1RX_SLOT_LEN_MASK, frame); |
| 872 | |
| 873 | return 0; |
| 874 | } |
| 875 | |
Mark Brown | 410837a | 2012-07-05 17:26:59 +0100 | [diff] [blame] | 876 | static const char *arizona_dai_clk_str(int clk_id) |
| 877 | { |
| 878 | switch (clk_id) { |
| 879 | case ARIZONA_CLK_SYSCLK: |
| 880 | return "SYSCLK"; |
| 881 | case ARIZONA_CLK_ASYNCCLK: |
| 882 | return "ASYNCCLK"; |
| 883 | default: |
| 884 | return "Unknown clock"; |
| 885 | } |
| 886 | } |
| 887 | |
Mark Brown | 5b2eec3 | 2012-07-04 17:32:05 +0100 | [diff] [blame] | 888 | static int arizona_dai_set_sysclk(struct snd_soc_dai *dai, |
| 889 | int clk_id, unsigned int freq, int dir) |
| 890 | { |
| 891 | struct snd_soc_codec *codec = dai->codec; |
| 892 | struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec); |
| 893 | struct arizona_dai_priv *dai_priv = &priv->dai[dai->id - 1]; |
Mark Brown | 410837a | 2012-07-05 17:26:59 +0100 | [diff] [blame] | 894 | struct snd_soc_dapm_route routes[2]; |
Mark Brown | 5b2eec3 | 2012-07-04 17:32:05 +0100 | [diff] [blame] | 895 | |
| 896 | switch (clk_id) { |
| 897 | case ARIZONA_CLK_SYSCLK: |
| 898 | case ARIZONA_CLK_ASYNCCLK: |
| 899 | break; |
| 900 | default: |
| 901 | return -EINVAL; |
| 902 | } |
| 903 | |
Mark Brown | 410837a | 2012-07-05 17:26:59 +0100 | [diff] [blame] | 904 | if (clk_id == dai_priv->clk) |
| 905 | return 0; |
| 906 | |
| 907 | if (dai->active) { |
Mark Brown | 5b2eec3 | 2012-07-04 17:32:05 +0100 | [diff] [blame] | 908 | dev_err(codec->dev, "Can't change clock on active DAI %d\n", |
| 909 | dai->id); |
| 910 | return -EBUSY; |
| 911 | } |
| 912 | |
Mark Brown | c8d35a6 | 2012-12-07 12:49:40 +0900 | [diff] [blame] | 913 | dev_dbg(codec->dev, "Setting AIF%d to %s\n", dai->id + 1, |
| 914 | arizona_dai_clk_str(clk_id)); |
| 915 | |
Mark Brown | 410837a | 2012-07-05 17:26:59 +0100 | [diff] [blame] | 916 | memset(&routes, 0, sizeof(routes)); |
| 917 | routes[0].sink = dai->driver->capture.stream_name; |
| 918 | routes[1].sink = dai->driver->playback.stream_name; |
Mark Brown | 5b2eec3 | 2012-07-04 17:32:05 +0100 | [diff] [blame] | 919 | |
Mark Brown | 410837a | 2012-07-05 17:26:59 +0100 | [diff] [blame] | 920 | routes[0].source = arizona_dai_clk_str(dai_priv->clk); |
| 921 | routes[1].source = arizona_dai_clk_str(dai_priv->clk); |
| 922 | snd_soc_dapm_del_routes(&codec->dapm, routes, ARRAY_SIZE(routes)); |
| 923 | |
| 924 | routes[0].source = arizona_dai_clk_str(clk_id); |
| 925 | routes[1].source = arizona_dai_clk_str(clk_id); |
| 926 | snd_soc_dapm_add_routes(&codec->dapm, routes, ARRAY_SIZE(routes)); |
| 927 | |
Mark Brown | 0c778e8 | 2012-12-06 18:22:25 +0900 | [diff] [blame] | 928 | dai_priv->clk = clk_id; |
| 929 | |
Mark Brown | 410837a | 2012-07-05 17:26:59 +0100 | [diff] [blame] | 930 | return snd_soc_dapm_sync(&codec->dapm); |
Mark Brown | 5b2eec3 | 2012-07-04 17:32:05 +0100 | [diff] [blame] | 931 | } |
| 932 | |
Mark Brown | 01df259 | 2012-12-12 16:22:08 +0900 | [diff] [blame] | 933 | static int arizona_set_tristate(struct snd_soc_dai *dai, int tristate) |
| 934 | { |
| 935 | struct snd_soc_codec *codec = dai->codec; |
| 936 | int base = dai->driver->base; |
| 937 | unsigned int reg; |
| 938 | |
| 939 | if (tristate) |
| 940 | reg = ARIZONA_AIF1_TRI; |
| 941 | else |
| 942 | reg = 0; |
| 943 | |
| 944 | return snd_soc_update_bits(codec, base + ARIZONA_AIF_RATE_CTRL, |
| 945 | ARIZONA_AIF1_TRI, reg); |
| 946 | } |
| 947 | |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 948 | const struct snd_soc_dai_ops arizona_dai_ops = { |
Mark Brown | 5b2eec3 | 2012-07-04 17:32:05 +0100 | [diff] [blame] | 949 | .startup = arizona_startup, |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 950 | .set_fmt = arizona_set_fmt, |
| 951 | .hw_params = arizona_hw_params, |
Mark Brown | 5b2eec3 | 2012-07-04 17:32:05 +0100 | [diff] [blame] | 952 | .set_sysclk = arizona_dai_set_sysclk, |
Mark Brown | 01df259 | 2012-12-12 16:22:08 +0900 | [diff] [blame] | 953 | .set_tristate = arizona_set_tristate, |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 954 | }; |
Mark Brown | a837987 | 2012-07-09 12:16:41 +0100 | [diff] [blame] | 955 | EXPORT_SYMBOL_GPL(arizona_dai_ops); |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 956 | |
Mark Brown | 5b2eec3 | 2012-07-04 17:32:05 +0100 | [diff] [blame] | 957 | int arizona_init_dai(struct arizona_priv *priv, int id) |
| 958 | { |
| 959 | struct arizona_dai_priv *dai_priv = &priv->dai[id]; |
| 960 | |
| 961 | dai_priv->clk = ARIZONA_CLK_SYSCLK; |
| 962 | |
| 963 | return 0; |
| 964 | } |
| 965 | EXPORT_SYMBOL_GPL(arizona_init_dai); |
| 966 | |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 967 | static irqreturn_t arizona_fll_clock_ok(int irq, void *data) |
| 968 | { |
| 969 | struct arizona_fll *fll = data; |
| 970 | |
| 971 | arizona_fll_dbg(fll, "clock OK\n"); |
| 972 | |
| 973 | complete(&fll->ok); |
| 974 | |
| 975 | return IRQ_HANDLED; |
| 976 | } |
| 977 | |
| 978 | static struct { |
| 979 | unsigned int min; |
| 980 | unsigned int max; |
| 981 | u16 fratio; |
| 982 | int ratio; |
| 983 | } fll_fratios[] = { |
| 984 | { 0, 64000, 4, 16 }, |
| 985 | { 64000, 128000, 3, 8 }, |
| 986 | { 128000, 256000, 2, 4 }, |
| 987 | { 256000, 1000000, 1, 2 }, |
| 988 | { 1000000, 13500000, 0, 1 }, |
| 989 | }; |
| 990 | |
| 991 | struct arizona_fll_cfg { |
| 992 | int n; |
| 993 | int theta; |
| 994 | int lambda; |
| 995 | int refdiv; |
| 996 | int outdiv; |
| 997 | int fratio; |
| 998 | }; |
| 999 | |
| 1000 | static int arizona_calc_fll(struct arizona_fll *fll, |
| 1001 | struct arizona_fll_cfg *cfg, |
| 1002 | unsigned int Fref, |
| 1003 | unsigned int Fout) |
| 1004 | { |
| 1005 | unsigned int target, div, gcd_fll; |
| 1006 | int i, ratio; |
| 1007 | |
| 1008 | arizona_fll_dbg(fll, "Fref=%u Fout=%u\n", Fref, Fout); |
| 1009 | |
| 1010 | /* Fref must be <=13.5MHz */ |
| 1011 | div = 1; |
| 1012 | cfg->refdiv = 0; |
| 1013 | while ((Fref / div) > 13500000) { |
| 1014 | div *= 2; |
| 1015 | cfg->refdiv++; |
| 1016 | |
| 1017 | if (div > 8) { |
| 1018 | arizona_fll_err(fll, |
| 1019 | "Can't scale %dMHz in to <=13.5MHz\n", |
| 1020 | Fref); |
| 1021 | return -EINVAL; |
| 1022 | } |
| 1023 | } |
| 1024 | |
| 1025 | /* Apply the division for our remaining calculations */ |
| 1026 | Fref /= div; |
| 1027 | |
Mark Brown | 2b4d39f | 2012-07-10 17:03:46 +0100 | [diff] [blame] | 1028 | /* Fvco should be over the targt; don't check the upper bound */ |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 1029 | div = 1; |
Mark Brown | 2b4d39f | 2012-07-10 17:03:46 +0100 | [diff] [blame] | 1030 | while (Fout * div < 90000000 * fll->vco_mult) { |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 1031 | div++; |
| 1032 | if (div > 7) { |
| 1033 | arizona_fll_err(fll, "No FLL_OUTDIV for Fout=%uHz\n", |
| 1034 | Fout); |
| 1035 | return -EINVAL; |
| 1036 | } |
| 1037 | } |
Mark Brown | 2b4d39f | 2012-07-10 17:03:46 +0100 | [diff] [blame] | 1038 | target = Fout * div / fll->vco_mult; |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 1039 | cfg->outdiv = div; |
| 1040 | |
| 1041 | arizona_fll_dbg(fll, "Fvco=%dHz\n", target); |
| 1042 | |
| 1043 | /* Find an appropraite FLL_FRATIO and factor it out of the target */ |
| 1044 | for (i = 0; i < ARRAY_SIZE(fll_fratios); i++) { |
| 1045 | if (fll_fratios[i].min <= Fref && Fref <= fll_fratios[i].max) { |
| 1046 | cfg->fratio = fll_fratios[i].fratio; |
| 1047 | ratio = fll_fratios[i].ratio; |
| 1048 | break; |
| 1049 | } |
| 1050 | } |
| 1051 | if (i == ARRAY_SIZE(fll_fratios)) { |
| 1052 | arizona_fll_err(fll, "Unable to find FRATIO for Fref=%uHz\n", |
| 1053 | Fref); |
| 1054 | return -EINVAL; |
| 1055 | } |
| 1056 | |
| 1057 | cfg->n = target / (ratio * Fref); |
| 1058 | |
Ryo Tsutsui | 01f5815 | 2013-02-03 17:18:00 +0900 | [diff] [blame] | 1059 | if (target % (ratio * Fref)) { |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 1060 | gcd_fll = gcd(target, ratio * Fref); |
| 1061 | arizona_fll_dbg(fll, "GCD=%u\n", gcd_fll); |
| 1062 | |
| 1063 | cfg->theta = (target - (cfg->n * ratio * Fref)) |
| 1064 | / gcd_fll; |
| 1065 | cfg->lambda = (ratio * Fref) / gcd_fll; |
| 1066 | } else { |
| 1067 | cfg->theta = 0; |
| 1068 | cfg->lambda = 0; |
| 1069 | } |
| 1070 | |
Ryo Tsutsui | 01f5815 | 2013-02-03 17:18:00 +0900 | [diff] [blame] | 1071 | /* Round down to 16bit range with cost of accuracy lost. |
| 1072 | * Denominator must be bigger than numerator so we only |
| 1073 | * take care of it. |
| 1074 | */ |
| 1075 | while (cfg->lambda >= (1 << 16)) { |
| 1076 | cfg->theta >>= 1; |
| 1077 | cfg->lambda >>= 1; |
| 1078 | } |
| 1079 | |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 1080 | arizona_fll_dbg(fll, "N=%x THETA=%x LAMBDA=%x\n", |
| 1081 | cfg->n, cfg->theta, cfg->lambda); |
| 1082 | arizona_fll_dbg(fll, "FRATIO=%x(%d) OUTDIV=%x REFCLK_DIV=%x\n", |
| 1083 | cfg->fratio, cfg->fratio, cfg->outdiv, cfg->refdiv); |
| 1084 | |
| 1085 | return 0; |
| 1086 | |
| 1087 | } |
| 1088 | |
| 1089 | static void arizona_apply_fll(struct arizona *arizona, unsigned int base, |
| 1090 | struct arizona_fll_cfg *cfg, int source) |
| 1091 | { |
| 1092 | regmap_update_bits(arizona->regmap, base + 3, |
| 1093 | ARIZONA_FLL1_THETA_MASK, cfg->theta); |
| 1094 | regmap_update_bits(arizona->regmap, base + 4, |
| 1095 | ARIZONA_FLL1_LAMBDA_MASK, cfg->lambda); |
| 1096 | regmap_update_bits(arizona->regmap, base + 5, |
| 1097 | ARIZONA_FLL1_FRATIO_MASK, |
| 1098 | cfg->fratio << ARIZONA_FLL1_FRATIO_SHIFT); |
| 1099 | regmap_update_bits(arizona->regmap, base + 6, |
| 1100 | ARIZONA_FLL1_CLK_REF_DIV_MASK | |
| 1101 | ARIZONA_FLL1_CLK_REF_SRC_MASK, |
| 1102 | cfg->refdiv << ARIZONA_FLL1_CLK_REF_DIV_SHIFT | |
| 1103 | source << ARIZONA_FLL1_CLK_REF_SRC_SHIFT); |
| 1104 | |
| 1105 | regmap_update_bits(arizona->regmap, base + 2, |
| 1106 | ARIZONA_FLL1_CTRL_UPD | ARIZONA_FLL1_N_MASK, |
| 1107 | ARIZONA_FLL1_CTRL_UPD | cfg->n); |
| 1108 | } |
| 1109 | |
| 1110 | int arizona_set_fll(struct arizona_fll *fll, int source, |
| 1111 | unsigned int Fref, unsigned int Fout) |
| 1112 | { |
| 1113 | struct arizona *arizona = fll->arizona; |
| 1114 | struct arizona_fll_cfg cfg, sync; |
| 1115 | unsigned int reg, val; |
| 1116 | int syncsrc; |
| 1117 | bool ena; |
| 1118 | int ret; |
| 1119 | |
Mark Brown | 1cbe4bc | 2012-11-21 14:12:22 +0900 | [diff] [blame] | 1120 | if (fll->fref == Fref && fll->fout == Fout) |
| 1121 | return 0; |
| 1122 | |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 1123 | ret = regmap_read(arizona->regmap, fll->base + 1, ®); |
| 1124 | if (ret != 0) { |
| 1125 | arizona_fll_err(fll, "Failed to read current state: %d\n", |
| 1126 | ret); |
| 1127 | return ret; |
| 1128 | } |
| 1129 | ena = reg & ARIZONA_FLL1_ENA; |
| 1130 | |
| 1131 | if (Fout) { |
| 1132 | /* Do we have a 32kHz reference? */ |
| 1133 | regmap_read(arizona->regmap, ARIZONA_CLOCK_32K_1, &val); |
| 1134 | switch (val & ARIZONA_CLK_32K_SRC_MASK) { |
| 1135 | case ARIZONA_CLK_SRC_MCLK1: |
| 1136 | case ARIZONA_CLK_SRC_MCLK2: |
| 1137 | syncsrc = val & ARIZONA_CLK_32K_SRC_MASK; |
| 1138 | break; |
| 1139 | default: |
| 1140 | syncsrc = -1; |
| 1141 | } |
| 1142 | |
| 1143 | if (source == syncsrc) |
| 1144 | syncsrc = -1; |
| 1145 | |
| 1146 | if (syncsrc >= 0) { |
| 1147 | ret = arizona_calc_fll(fll, &sync, Fref, Fout); |
| 1148 | if (ret != 0) |
| 1149 | return ret; |
| 1150 | |
| 1151 | ret = arizona_calc_fll(fll, &cfg, 32768, Fout); |
| 1152 | if (ret != 0) |
| 1153 | return ret; |
| 1154 | } else { |
| 1155 | ret = arizona_calc_fll(fll, &cfg, Fref, Fout); |
| 1156 | if (ret != 0) |
| 1157 | return ret; |
| 1158 | } |
| 1159 | } else { |
| 1160 | regmap_update_bits(arizona->regmap, fll->base + 1, |
| 1161 | ARIZONA_FLL1_ENA, 0); |
| 1162 | regmap_update_bits(arizona->regmap, fll->base + 0x11, |
| 1163 | ARIZONA_FLL1_SYNC_ENA, 0); |
| 1164 | |
| 1165 | if (ena) |
| 1166 | pm_runtime_put_autosuspend(arizona->dev); |
| 1167 | |
Mark Brown | 50fcfe4 | 2012-11-28 11:50:34 +0000 | [diff] [blame] | 1168 | fll->fref = Fref; |
| 1169 | fll->fout = Fout; |
| 1170 | |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 1171 | return 0; |
| 1172 | } |
| 1173 | |
| 1174 | regmap_update_bits(arizona->regmap, fll->base + 5, |
| 1175 | ARIZONA_FLL1_OUTDIV_MASK, |
| 1176 | cfg.outdiv << ARIZONA_FLL1_OUTDIV_SHIFT); |
| 1177 | |
| 1178 | if (syncsrc >= 0) { |
| 1179 | arizona_apply_fll(arizona, fll->base, &cfg, syncsrc); |
| 1180 | arizona_apply_fll(arizona, fll->base + 0x10, &sync, source); |
| 1181 | } else { |
| 1182 | arizona_apply_fll(arizona, fll->base, &cfg, source); |
| 1183 | } |
| 1184 | |
| 1185 | if (!ena) |
| 1186 | pm_runtime_get(arizona->dev); |
| 1187 | |
| 1188 | /* Clear any pending completions */ |
| 1189 | try_wait_for_completion(&fll->ok); |
| 1190 | |
| 1191 | regmap_update_bits(arizona->regmap, fll->base + 1, |
| 1192 | ARIZONA_FLL1_ENA, ARIZONA_FLL1_ENA); |
| 1193 | if (syncsrc >= 0) |
| 1194 | regmap_update_bits(arizona->regmap, fll->base + 0x11, |
| 1195 | ARIZONA_FLL1_SYNC_ENA, |
| 1196 | ARIZONA_FLL1_SYNC_ENA); |
| 1197 | |
| 1198 | ret = wait_for_completion_timeout(&fll->ok, |
Mark Brown | 09871a9 | 2012-12-06 15:29:34 +0900 | [diff] [blame] | 1199 | msecs_to_jiffies(250)); |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 1200 | if (ret == 0) |
| 1201 | arizona_fll_warn(fll, "Timed out waiting for lock\n"); |
| 1202 | |
Mark Brown | 1cbe4bc | 2012-11-21 14:12:22 +0900 | [diff] [blame] | 1203 | fll->fref = Fref; |
| 1204 | fll->fout = Fout; |
| 1205 | |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 1206 | return 0; |
| 1207 | } |
| 1208 | EXPORT_SYMBOL_GPL(arizona_set_fll); |
| 1209 | |
| 1210 | int arizona_init_fll(struct arizona *arizona, int id, int base, int lock_irq, |
| 1211 | int ok_irq, struct arizona_fll *fll) |
| 1212 | { |
| 1213 | int ret; |
| 1214 | |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 1215 | init_completion(&fll->ok); |
| 1216 | |
| 1217 | fll->id = id; |
| 1218 | fll->base = base; |
| 1219 | fll->arizona = arizona; |
| 1220 | |
| 1221 | snprintf(fll->lock_name, sizeof(fll->lock_name), "FLL%d lock", id); |
| 1222 | snprintf(fll->clock_ok_name, sizeof(fll->clock_ok_name), |
| 1223 | "FLL%d clock OK", id); |
| 1224 | |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 1225 | ret = arizona_request_irq(arizona, ok_irq, fll->clock_ok_name, |
| 1226 | arizona_fll_clock_ok, fll); |
| 1227 | if (ret != 0) { |
| 1228 | dev_err(arizona->dev, "Failed to get FLL%d clock OK IRQ: %d\n", |
| 1229 | id, ret); |
| 1230 | } |
| 1231 | |
Charles Keepax | e31c194 | 2013-01-07 16:41:45 +0000 | [diff] [blame] | 1232 | regmap_update_bits(arizona->regmap, fll->base + 1, |
| 1233 | ARIZONA_FLL1_FREERUN, 0); |
| 1234 | |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 1235 | return 0; |
| 1236 | } |
| 1237 | EXPORT_SYMBOL_GPL(arizona_init_fll); |
| 1238 | |
Mark Brown | bc9ab6d | 2013-01-04 19:31:00 +0000 | [diff] [blame] | 1239 | /** |
| 1240 | * arizona_set_output_mode - Set the mode of the specified output |
| 1241 | * |
| 1242 | * @codec: Device to configure |
| 1243 | * @output: Output number |
| 1244 | * @diff: True to set the output to differential mode |
| 1245 | * |
| 1246 | * Some systems use external analogue switches to connect more |
| 1247 | * analogue devices to the CODEC than are supported by the device. In |
| 1248 | * some systems this requires changing the switched output from single |
| 1249 | * ended to differential mode dynamically at runtime, an operation |
| 1250 | * supported using this function. |
| 1251 | * |
| 1252 | * Most systems have a single static configuration and should use |
| 1253 | * platform data instead. |
| 1254 | */ |
| 1255 | int arizona_set_output_mode(struct snd_soc_codec *codec, int output, bool diff) |
| 1256 | { |
| 1257 | unsigned int reg, val; |
| 1258 | |
| 1259 | if (output < 1 || output > 6) |
| 1260 | return -EINVAL; |
| 1261 | |
| 1262 | reg = ARIZONA_OUTPUT_PATH_CONFIG_1L + (output - 1) * 8; |
| 1263 | |
| 1264 | if (diff) |
| 1265 | val = ARIZONA_OUT1_MONO; |
| 1266 | else |
| 1267 | val = 0; |
| 1268 | |
| 1269 | return snd_soc_update_bits(codec, reg, ARIZONA_OUT1_MONO, val); |
| 1270 | } |
| 1271 | EXPORT_SYMBOL_GPL(arizona_set_output_mode); |
| 1272 | |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 1273 | MODULE_DESCRIPTION("ASoC Wolfson Arizona class device support"); |
| 1274 | MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>"); |
| 1275 | MODULE_LICENSE("GPL"); |