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 | |
Mark Brown | ddbce97 | 2013-02-15 17:27:22 +0000 | [diff] [blame] | 13 | #include <linux/delay.h> |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 14 | #include <linux/gcd.h> |
| 15 | #include <linux/module.h> |
| 16 | #include <linux/pm_runtime.h> |
| 17 | #include <sound/pcm.h> |
| 18 | #include <sound/pcm_params.h> |
| 19 | #include <sound/tlv.h> |
| 20 | |
| 21 | #include <linux/mfd/arizona/core.h> |
Charles Keepax | b63144e | 2013-07-04 08:56:28 +0100 | [diff] [blame] | 22 | #include <linux/mfd/arizona/gpio.h> |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 23 | #include <linux/mfd/arizona/registers.h> |
| 24 | |
| 25 | #include "arizona.h" |
| 26 | |
| 27 | #define ARIZONA_AIF_BCLK_CTRL 0x00 |
| 28 | #define ARIZONA_AIF_TX_PIN_CTRL 0x01 |
| 29 | #define ARIZONA_AIF_RX_PIN_CTRL 0x02 |
| 30 | #define ARIZONA_AIF_RATE_CTRL 0x03 |
| 31 | #define ARIZONA_AIF_FORMAT 0x04 |
| 32 | #define ARIZONA_AIF_TX_BCLK_RATE 0x05 |
| 33 | #define ARIZONA_AIF_RX_BCLK_RATE 0x06 |
| 34 | #define ARIZONA_AIF_FRAME_CTRL_1 0x07 |
| 35 | #define ARIZONA_AIF_FRAME_CTRL_2 0x08 |
| 36 | #define ARIZONA_AIF_FRAME_CTRL_3 0x09 |
| 37 | #define ARIZONA_AIF_FRAME_CTRL_4 0x0A |
| 38 | #define ARIZONA_AIF_FRAME_CTRL_5 0x0B |
| 39 | #define ARIZONA_AIF_FRAME_CTRL_6 0x0C |
| 40 | #define ARIZONA_AIF_FRAME_CTRL_7 0x0D |
| 41 | #define ARIZONA_AIF_FRAME_CTRL_8 0x0E |
| 42 | #define ARIZONA_AIF_FRAME_CTRL_9 0x0F |
| 43 | #define ARIZONA_AIF_FRAME_CTRL_10 0x10 |
| 44 | #define ARIZONA_AIF_FRAME_CTRL_11 0x11 |
| 45 | #define ARIZONA_AIF_FRAME_CTRL_12 0x12 |
| 46 | #define ARIZONA_AIF_FRAME_CTRL_13 0x13 |
| 47 | #define ARIZONA_AIF_FRAME_CTRL_14 0x14 |
| 48 | #define ARIZONA_AIF_FRAME_CTRL_15 0x15 |
| 49 | #define ARIZONA_AIF_FRAME_CTRL_16 0x16 |
| 50 | #define ARIZONA_AIF_FRAME_CTRL_17 0x17 |
| 51 | #define ARIZONA_AIF_FRAME_CTRL_18 0x18 |
| 52 | #define ARIZONA_AIF_TX_ENABLES 0x19 |
| 53 | #define ARIZONA_AIF_RX_ENABLES 0x1A |
| 54 | #define ARIZONA_AIF_FORCE_WRITE 0x1B |
| 55 | |
Charles Keepax | d080034 | 2014-03-07 16:34:25 +0000 | [diff] [blame] | 56 | #define ARIZONA_FLL_VCO_CORNER 141900000 |
Charles Keepax | 87383ac | 2014-03-07 16:34:18 +0000 | [diff] [blame] | 57 | #define ARIZONA_FLL_MAX_FREF 13500000 |
| 58 | #define ARIZONA_FLL_MIN_FVCO 90000000 |
Charles Keepax | d080034 | 2014-03-07 16:34:25 +0000 | [diff] [blame] | 59 | #define ARIZONA_FLL_MAX_FRATIO 16 |
Charles Keepax | 87383ac | 2014-03-07 16:34:18 +0000 | [diff] [blame] | 60 | #define ARIZONA_FLL_MAX_REFDIV 8 |
| 61 | #define ARIZONA_FLL_MIN_OUTDIV 2 |
| 62 | #define ARIZONA_FLL_MAX_OUTDIV 7 |
| 63 | |
Richard Fitzgerald | e9c7f34 | 2014-11-12 16:12:46 +0000 | [diff] [blame] | 64 | #define ARIZONA_FMT_DSP_MODE_A 0 |
| 65 | #define ARIZONA_FMT_DSP_MODE_B 1 |
| 66 | #define ARIZONA_FMT_I2S_MODE 2 |
| 67 | #define ARIZONA_FMT_LEFT_JUSTIFIED_MODE 3 |
| 68 | |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 69 | #define arizona_fll_err(_fll, fmt, ...) \ |
| 70 | dev_err(_fll->arizona->dev, "FLL%d: " fmt, _fll->id, ##__VA_ARGS__) |
| 71 | #define arizona_fll_warn(_fll, fmt, ...) \ |
| 72 | dev_warn(_fll->arizona->dev, "FLL%d: " fmt, _fll->id, ##__VA_ARGS__) |
| 73 | #define arizona_fll_dbg(_fll, fmt, ...) \ |
Mark Brown | 9092a6e | 2013-02-06 17:58:57 +0000 | [diff] [blame] | 74 | dev_dbg(_fll->arizona->dev, "FLL%d: " fmt, _fll->id, ##__VA_ARGS__) |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 75 | |
| 76 | #define arizona_aif_err(_dai, fmt, ...) \ |
| 77 | dev_err(_dai->dev, "AIF%d: " fmt, _dai->id, ##__VA_ARGS__) |
| 78 | #define arizona_aif_warn(_dai, fmt, ...) \ |
| 79 | dev_warn(_dai->dev, "AIF%d: " fmt, _dai->id, ##__VA_ARGS__) |
| 80 | #define arizona_aif_dbg(_dai, fmt, ...) \ |
Mark Brown | 9092a6e | 2013-02-06 17:58:57 +0000 | [diff] [blame] | 81 | dev_dbg(_dai->dev, "AIF%d: " fmt, _dai->id, ##__VA_ARGS__) |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 82 | |
Mark Brown | 56447e1 | 2013-01-10 14:45:58 +0000 | [diff] [blame] | 83 | static int arizona_spk_ev(struct snd_soc_dapm_widget *w, |
| 84 | struct snd_kcontrol *kcontrol, |
| 85 | int event) |
| 86 | { |
Lars-Peter Clausen | 043123f | 2015-01-13 10:27:07 +0100 | [diff] [blame] | 87 | struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm); |
Mark Brown | 56447e1 | 2013-01-10 14:45:58 +0000 | [diff] [blame] | 88 | struct arizona *arizona = dev_get_drvdata(codec->dev->parent); |
| 89 | struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec); |
| 90 | bool manual_ena = false; |
Mark Brown | f4a76e7 | 2013-03-13 12:22:39 +0000 | [diff] [blame] | 91 | int val; |
Mark Brown | 56447e1 | 2013-01-10 14:45:58 +0000 | [diff] [blame] | 92 | |
| 93 | switch (arizona->type) { |
| 94 | case WM5102: |
| 95 | switch (arizona->rev) { |
| 96 | case 0: |
| 97 | break; |
| 98 | default: |
| 99 | manual_ena = true; |
| 100 | break; |
| 101 | } |
| 102 | default: |
| 103 | break; |
| 104 | } |
| 105 | |
| 106 | switch (event) { |
| 107 | case SND_SOC_DAPM_PRE_PMU: |
| 108 | if (!priv->spk_ena && manual_ena) { |
Mark Brown | 3c43c69 | 2013-12-12 00:49:22 +0000 | [diff] [blame] | 109 | regmap_write_async(arizona->regmap, 0x4f5, 0x25a); |
Mark Brown | 56447e1 | 2013-01-10 14:45:58 +0000 | [diff] [blame] | 110 | priv->spk_ena_pending = true; |
| 111 | } |
| 112 | break; |
| 113 | case SND_SOC_DAPM_POST_PMU: |
Mark Brown | f4a76e7 | 2013-03-13 12:22:39 +0000 | [diff] [blame] | 114 | val = snd_soc_read(codec, ARIZONA_INTERRUPT_RAW_STATUS_3); |
Charles Keepax | c0fe2c5 | 2014-07-15 11:21:47 +0100 | [diff] [blame] | 115 | if (val & ARIZONA_SPK_OVERHEAT_STS) { |
Mark Brown | f4a76e7 | 2013-03-13 12:22:39 +0000 | [diff] [blame] | 116 | dev_crit(arizona->dev, |
| 117 | "Speaker not enabled due to temperature\n"); |
| 118 | return -EBUSY; |
| 119 | } |
| 120 | |
Mark Brown | 3c43c69 | 2013-12-12 00:49:22 +0000 | [diff] [blame] | 121 | regmap_update_bits_async(arizona->regmap, |
| 122 | ARIZONA_OUTPUT_ENABLES_1, |
| 123 | 1 << w->shift, 1 << w->shift); |
Mark Brown | f4a76e7 | 2013-03-13 12:22:39 +0000 | [diff] [blame] | 124 | |
Mark Brown | 56447e1 | 2013-01-10 14:45:58 +0000 | [diff] [blame] | 125 | if (priv->spk_ena_pending) { |
| 126 | msleep(75); |
Mark Brown | 3c43c69 | 2013-12-12 00:49:22 +0000 | [diff] [blame] | 127 | regmap_write_async(arizona->regmap, 0x4f5, 0xda); |
Mark Brown | 56447e1 | 2013-01-10 14:45:58 +0000 | [diff] [blame] | 128 | priv->spk_ena_pending = false; |
| 129 | priv->spk_ena++; |
| 130 | } |
| 131 | break; |
| 132 | case SND_SOC_DAPM_PRE_PMD: |
| 133 | if (manual_ena) { |
| 134 | priv->spk_ena--; |
| 135 | if (!priv->spk_ena) |
Mark Brown | 3c43c69 | 2013-12-12 00:49:22 +0000 | [diff] [blame] | 136 | regmap_write_async(arizona->regmap, |
| 137 | 0x4f5, 0x25a); |
Mark Brown | 56447e1 | 2013-01-10 14:45:58 +0000 | [diff] [blame] | 138 | } |
Mark Brown | f4a76e7 | 2013-03-13 12:22:39 +0000 | [diff] [blame] | 139 | |
Mark Brown | 3c43c69 | 2013-12-12 00:49:22 +0000 | [diff] [blame] | 140 | regmap_update_bits_async(arizona->regmap, |
| 141 | ARIZONA_OUTPUT_ENABLES_1, |
| 142 | 1 << w->shift, 0); |
Mark Brown | 56447e1 | 2013-01-10 14:45:58 +0000 | [diff] [blame] | 143 | break; |
| 144 | case SND_SOC_DAPM_POST_PMD: |
| 145 | if (manual_ena) { |
| 146 | if (!priv->spk_ena) |
Mark Brown | 3c43c69 | 2013-12-12 00:49:22 +0000 | [diff] [blame] | 147 | regmap_write_async(arizona->regmap, |
| 148 | 0x4f5, 0x0da); |
Mark Brown | 56447e1 | 2013-01-10 14:45:58 +0000 | [diff] [blame] | 149 | } |
| 150 | break; |
| 151 | } |
| 152 | |
| 153 | return 0; |
| 154 | } |
| 155 | |
Mark Brown | 899817e | 2013-03-13 12:32:10 +0000 | [diff] [blame] | 156 | static irqreturn_t arizona_thermal_warn(int irq, void *data) |
| 157 | { |
| 158 | struct arizona *arizona = data; |
| 159 | unsigned int val; |
| 160 | int ret; |
| 161 | |
| 162 | ret = regmap_read(arizona->regmap, ARIZONA_INTERRUPT_RAW_STATUS_3, |
| 163 | &val); |
| 164 | if (ret != 0) { |
| 165 | dev_err(arizona->dev, "Failed to read thermal status: %d\n", |
| 166 | ret); |
Charles Keepax | c0fe2c5 | 2014-07-15 11:21:47 +0100 | [diff] [blame] | 167 | } else if (val & ARIZONA_SPK_OVERHEAT_WARN_STS) { |
Mark Brown | 899817e | 2013-03-13 12:32:10 +0000 | [diff] [blame] | 168 | dev_crit(arizona->dev, "Thermal warning\n"); |
| 169 | } |
| 170 | |
| 171 | return IRQ_HANDLED; |
| 172 | } |
| 173 | |
| 174 | static irqreturn_t arizona_thermal_shutdown(int irq, void *data) |
| 175 | { |
| 176 | struct arizona *arizona = data; |
| 177 | unsigned int val; |
| 178 | int ret; |
| 179 | |
| 180 | ret = regmap_read(arizona->regmap, ARIZONA_INTERRUPT_RAW_STATUS_3, |
| 181 | &val); |
| 182 | if (ret != 0) { |
| 183 | dev_err(arizona->dev, "Failed to read thermal status: %d\n", |
| 184 | ret); |
Charles Keepax | c0fe2c5 | 2014-07-15 11:21:47 +0100 | [diff] [blame] | 185 | } else if (val & ARIZONA_SPK_OVERHEAT_STS) { |
Mark Brown | 899817e | 2013-03-13 12:32:10 +0000 | [diff] [blame] | 186 | dev_crit(arizona->dev, "Thermal shutdown\n"); |
Mark Brown | f4a76e7 | 2013-03-13 12:22:39 +0000 | [diff] [blame] | 187 | ret = regmap_update_bits(arizona->regmap, |
| 188 | ARIZONA_OUTPUT_ENABLES_1, |
| 189 | ARIZONA_OUT4L_ENA | |
| 190 | ARIZONA_OUT4R_ENA, 0); |
| 191 | if (ret != 0) |
| 192 | dev_crit(arizona->dev, |
| 193 | "Failed to disable speaker outputs: %d\n", |
| 194 | ret); |
Mark Brown | 899817e | 2013-03-13 12:32:10 +0000 | [diff] [blame] | 195 | } |
| 196 | |
| 197 | return IRQ_HANDLED; |
| 198 | } |
| 199 | |
Mark Brown | 56447e1 | 2013-01-10 14:45:58 +0000 | [diff] [blame] | 200 | static const struct snd_soc_dapm_widget arizona_spkl = |
Mark Brown | f4a76e7 | 2013-03-13 12:22:39 +0000 | [diff] [blame] | 201 | SND_SOC_DAPM_PGA_E("OUT4L", SND_SOC_NOPM, |
Mark Brown | 56447e1 | 2013-01-10 14:45:58 +0000 | [diff] [blame] | 202 | ARIZONA_OUT4L_ENA_SHIFT, 0, NULL, 0, arizona_spk_ev, |
| 203 | SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU); |
| 204 | |
| 205 | static const struct snd_soc_dapm_widget arizona_spkr = |
Mark Brown | f4a76e7 | 2013-03-13 12:22:39 +0000 | [diff] [blame] | 206 | SND_SOC_DAPM_PGA_E("OUT4R", SND_SOC_NOPM, |
Mark Brown | 56447e1 | 2013-01-10 14:45:58 +0000 | [diff] [blame] | 207 | ARIZONA_OUT4R_ENA_SHIFT, 0, NULL, 0, arizona_spk_ev, |
| 208 | SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU); |
| 209 | |
| 210 | int arizona_init_spk(struct snd_soc_codec *codec) |
| 211 | { |
Mark Brown | 899817e | 2013-03-13 12:32:10 +0000 | [diff] [blame] | 212 | struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec); |
| 213 | struct arizona *arizona = priv->arizona; |
Mark Brown | 56447e1 | 2013-01-10 14:45:58 +0000 | [diff] [blame] | 214 | int ret; |
| 215 | |
| 216 | ret = snd_soc_dapm_new_controls(&codec->dapm, &arizona_spkl, 1); |
| 217 | if (ret != 0) |
| 218 | return ret; |
| 219 | |
Charles Keepax | 40843ae | 2013-08-12 23:46:55 +0100 | [diff] [blame] | 220 | switch (arizona->type) { |
| 221 | case WM8997: |
| 222 | break; |
| 223 | default: |
| 224 | ret = snd_soc_dapm_new_controls(&codec->dapm, |
| 225 | &arizona_spkr, 1); |
| 226 | if (ret != 0) |
| 227 | return ret; |
| 228 | break; |
| 229 | } |
Mark Brown | 56447e1 | 2013-01-10 14:45:58 +0000 | [diff] [blame] | 230 | |
Charles Keepax | c0fe2c5 | 2014-07-15 11:21:47 +0100 | [diff] [blame] | 231 | ret = arizona_request_irq(arizona, ARIZONA_IRQ_SPK_OVERHEAT_WARN, |
Mark Brown | 899817e | 2013-03-13 12:32:10 +0000 | [diff] [blame] | 232 | "Thermal warning", arizona_thermal_warn, |
| 233 | arizona); |
| 234 | if (ret != 0) |
| 235 | dev_err(arizona->dev, |
| 236 | "Failed to get thermal warning IRQ: %d\n", |
| 237 | ret); |
| 238 | |
Charles Keepax | c0fe2c5 | 2014-07-15 11:21:47 +0100 | [diff] [blame] | 239 | ret = arizona_request_irq(arizona, ARIZONA_IRQ_SPK_OVERHEAT, |
Mark Brown | 899817e | 2013-03-13 12:32:10 +0000 | [diff] [blame] | 240 | "Thermal shutdown", arizona_thermal_shutdown, |
| 241 | arizona); |
| 242 | if (ret != 0) |
| 243 | dev_err(arizona->dev, |
| 244 | "Failed to get thermal shutdown IRQ: %d\n", |
| 245 | ret); |
| 246 | |
Mark Brown | 56447e1 | 2013-01-10 14:45:58 +0000 | [diff] [blame] | 247 | return 0; |
| 248 | } |
| 249 | EXPORT_SYMBOL_GPL(arizona_init_spk); |
| 250 | |
Charles Keepax | b60f363 | 2014-06-10 18:41:02 +0100 | [diff] [blame] | 251 | static const struct snd_soc_dapm_route arizona_mono_routes[] = { |
| 252 | { "OUT1R", NULL, "OUT1L" }, |
| 253 | { "OUT2R", NULL, "OUT2L" }, |
| 254 | { "OUT3R", NULL, "OUT3L" }, |
| 255 | { "OUT4R", NULL, "OUT4L" }, |
| 256 | { "OUT5R", NULL, "OUT5L" }, |
| 257 | { "OUT6R", NULL, "OUT6L" }, |
| 258 | }; |
| 259 | |
| 260 | int arizona_init_mono(struct snd_soc_codec *codec) |
| 261 | { |
| 262 | struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec); |
| 263 | struct arizona *arizona = priv->arizona; |
| 264 | int i; |
| 265 | |
| 266 | for (i = 0; i < ARIZONA_MAX_OUTPUT; ++i) { |
| 267 | if (arizona->pdata.out_mono[i]) |
| 268 | snd_soc_dapm_add_routes(&codec->dapm, |
| 269 | &arizona_mono_routes[i], 1); |
| 270 | } |
| 271 | |
| 272 | return 0; |
| 273 | } |
| 274 | EXPORT_SYMBOL_GPL(arizona_init_mono); |
| 275 | |
Charles Keepax | b63144e | 2013-07-04 08:56:28 +0100 | [diff] [blame] | 276 | int arizona_init_gpio(struct snd_soc_codec *codec) |
| 277 | { |
| 278 | struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec); |
| 279 | struct arizona *arizona = priv->arizona; |
| 280 | int i; |
| 281 | |
| 282 | switch (arizona->type) { |
| 283 | case WM5110: |
| 284 | snd_soc_dapm_disable_pin(&codec->dapm, "DRC2 Signal Activity"); |
Charles Keepax | b79fae6 | 2013-07-04 16:53:03 +0100 | [diff] [blame] | 285 | break; |
| 286 | default: |
| 287 | break; |
Charles Keepax | b63144e | 2013-07-04 08:56:28 +0100 | [diff] [blame] | 288 | } |
| 289 | |
| 290 | snd_soc_dapm_disable_pin(&codec->dapm, "DRC1 Signal Activity"); |
| 291 | |
| 292 | for (i = 0; i < ARRAY_SIZE(arizona->pdata.gpio_defaults); i++) { |
| 293 | switch (arizona->pdata.gpio_defaults[i] & ARIZONA_GPN_FN_MASK) { |
| 294 | case ARIZONA_GP_FN_DRC1_SIGNAL_DETECT: |
| 295 | snd_soc_dapm_enable_pin(&codec->dapm, |
| 296 | "DRC1 Signal Activity"); |
| 297 | break; |
| 298 | case ARIZONA_GP_FN_DRC2_SIGNAL_DETECT: |
| 299 | snd_soc_dapm_enable_pin(&codec->dapm, |
| 300 | "DRC2 Signal Activity"); |
| 301 | break; |
| 302 | default: |
| 303 | break; |
| 304 | } |
| 305 | } |
| 306 | |
| 307 | return 0; |
| 308 | } |
| 309 | EXPORT_SYMBOL_GPL(arizona_init_gpio); |
| 310 | |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 311 | const char *arizona_mixer_texts[ARIZONA_NUM_MIXER_INPUTS] = { |
| 312 | "None", |
| 313 | "Tone Generator 1", |
| 314 | "Tone Generator 2", |
| 315 | "Haptics", |
| 316 | "AEC", |
| 317 | "Mic Mute Mixer", |
| 318 | "Noise Generator", |
| 319 | "IN1L", |
| 320 | "IN1R", |
| 321 | "IN2L", |
| 322 | "IN2R", |
| 323 | "IN3L", |
| 324 | "IN3R", |
Mark Brown | c9c56fd | 2012-07-09 19:09:01 +0100 | [diff] [blame] | 325 | "IN4L", |
| 326 | "IN4R", |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 327 | "AIF1RX1", |
| 328 | "AIF1RX2", |
| 329 | "AIF1RX3", |
| 330 | "AIF1RX4", |
| 331 | "AIF1RX5", |
| 332 | "AIF1RX6", |
| 333 | "AIF1RX7", |
| 334 | "AIF1RX8", |
| 335 | "AIF2RX1", |
| 336 | "AIF2RX2", |
Richard Fitzgerald | e64001e | 2013-11-20 13:17:07 +0000 | [diff] [blame] | 337 | "AIF2RX3", |
| 338 | "AIF2RX4", |
| 339 | "AIF2RX5", |
| 340 | "AIF2RX6", |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 341 | "AIF3RX1", |
| 342 | "AIF3RX2", |
| 343 | "SLIMRX1", |
| 344 | "SLIMRX2", |
| 345 | "SLIMRX3", |
| 346 | "SLIMRX4", |
| 347 | "SLIMRX5", |
| 348 | "SLIMRX6", |
| 349 | "SLIMRX7", |
| 350 | "SLIMRX8", |
| 351 | "EQ1", |
| 352 | "EQ2", |
| 353 | "EQ3", |
| 354 | "EQ4", |
| 355 | "DRC1L", |
| 356 | "DRC1R", |
| 357 | "DRC2L", |
| 358 | "DRC2R", |
| 359 | "LHPF1", |
| 360 | "LHPF2", |
| 361 | "LHPF3", |
| 362 | "LHPF4", |
| 363 | "DSP1.1", |
| 364 | "DSP1.2", |
| 365 | "DSP1.3", |
| 366 | "DSP1.4", |
| 367 | "DSP1.5", |
| 368 | "DSP1.6", |
Mark Brown | c922cc4 | 2012-09-26 16:43:44 +0100 | [diff] [blame] | 369 | "DSP2.1", |
| 370 | "DSP2.2", |
| 371 | "DSP2.3", |
| 372 | "DSP2.4", |
| 373 | "DSP2.5", |
| 374 | "DSP2.6", |
| 375 | "DSP3.1", |
| 376 | "DSP3.2", |
| 377 | "DSP3.3", |
| 378 | "DSP3.4", |
| 379 | "DSP3.5", |
| 380 | "DSP3.6", |
| 381 | "DSP4.1", |
| 382 | "DSP4.2", |
| 383 | "DSP4.3", |
| 384 | "DSP4.4", |
| 385 | "DSP4.5", |
| 386 | "DSP4.6", |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 387 | "ASRC1L", |
| 388 | "ASRC1R", |
| 389 | "ASRC2L", |
| 390 | "ASRC2R", |
Mark Brown | 91660bd | 2012-12-05 20:35:24 +0900 | [diff] [blame] | 391 | "ISRC1INT1", |
| 392 | "ISRC1INT2", |
| 393 | "ISRC1INT3", |
| 394 | "ISRC1INT4", |
| 395 | "ISRC1DEC1", |
| 396 | "ISRC1DEC2", |
| 397 | "ISRC1DEC3", |
| 398 | "ISRC1DEC4", |
| 399 | "ISRC2INT1", |
| 400 | "ISRC2INT2", |
| 401 | "ISRC2INT3", |
| 402 | "ISRC2INT4", |
| 403 | "ISRC2DEC1", |
| 404 | "ISRC2DEC2", |
| 405 | "ISRC2DEC3", |
| 406 | "ISRC2DEC4", |
| 407 | "ISRC3INT1", |
| 408 | "ISRC3INT2", |
| 409 | "ISRC3INT3", |
| 410 | "ISRC3INT4", |
| 411 | "ISRC3DEC1", |
| 412 | "ISRC3DEC2", |
| 413 | "ISRC3DEC3", |
| 414 | "ISRC3DEC4", |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 415 | }; |
| 416 | EXPORT_SYMBOL_GPL(arizona_mixer_texts); |
| 417 | |
| 418 | int arizona_mixer_values[ARIZONA_NUM_MIXER_INPUTS] = { |
| 419 | 0x00, /* None */ |
| 420 | 0x04, /* Tone */ |
| 421 | 0x05, |
| 422 | 0x06, /* Haptics */ |
| 423 | 0x08, /* AEC */ |
| 424 | 0x0c, /* Noise mixer */ |
| 425 | 0x0d, /* Comfort noise */ |
| 426 | 0x10, /* IN1L */ |
| 427 | 0x11, |
| 428 | 0x12, |
| 429 | 0x13, |
| 430 | 0x14, |
| 431 | 0x15, |
Mark Brown | c9c56fd | 2012-07-09 19:09:01 +0100 | [diff] [blame] | 432 | 0x16, |
| 433 | 0x17, |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 434 | 0x20, /* AIF1RX1 */ |
| 435 | 0x21, |
| 436 | 0x22, |
| 437 | 0x23, |
| 438 | 0x24, |
| 439 | 0x25, |
| 440 | 0x26, |
| 441 | 0x27, |
| 442 | 0x28, /* AIF2RX1 */ |
| 443 | 0x29, |
Richard Fitzgerald | e64001e | 2013-11-20 13:17:07 +0000 | [diff] [blame] | 444 | 0x2a, |
| 445 | 0x2b, |
| 446 | 0x2c, |
| 447 | 0x2d, |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 448 | 0x30, /* AIF3RX1 */ |
| 449 | 0x31, |
| 450 | 0x38, /* SLIMRX1 */ |
| 451 | 0x39, |
| 452 | 0x3a, |
| 453 | 0x3b, |
| 454 | 0x3c, |
| 455 | 0x3d, |
| 456 | 0x3e, |
| 457 | 0x3f, |
| 458 | 0x50, /* EQ1 */ |
| 459 | 0x51, |
| 460 | 0x52, |
| 461 | 0x53, |
| 462 | 0x58, /* DRC1L */ |
| 463 | 0x59, |
| 464 | 0x5a, |
| 465 | 0x5b, |
| 466 | 0x60, /* LHPF1 */ |
| 467 | 0x61, |
| 468 | 0x62, |
| 469 | 0x63, |
| 470 | 0x68, /* DSP1.1 */ |
| 471 | 0x69, |
| 472 | 0x6a, |
| 473 | 0x6b, |
| 474 | 0x6c, |
| 475 | 0x6d, |
Mark Brown | c922cc4 | 2012-09-26 16:43:44 +0100 | [diff] [blame] | 476 | 0x70, /* DSP2.1 */ |
| 477 | 0x71, |
| 478 | 0x72, |
| 479 | 0x73, |
| 480 | 0x74, |
| 481 | 0x75, |
| 482 | 0x78, /* DSP3.1 */ |
| 483 | 0x79, |
| 484 | 0x7a, |
| 485 | 0x7b, |
| 486 | 0x7c, |
| 487 | 0x7d, |
| 488 | 0x80, /* DSP4.1 */ |
| 489 | 0x81, |
| 490 | 0x82, |
| 491 | 0x83, |
| 492 | 0x84, |
| 493 | 0x85, |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 494 | 0x90, /* ASRC1L */ |
| 495 | 0x91, |
| 496 | 0x92, |
| 497 | 0x93, |
Mark Brown | 91660bd | 2012-12-05 20:35:24 +0900 | [diff] [blame] | 498 | 0xa0, /* ISRC1INT1 */ |
| 499 | 0xa1, |
| 500 | 0xa2, |
| 501 | 0xa3, |
| 502 | 0xa4, /* ISRC1DEC1 */ |
| 503 | 0xa5, |
| 504 | 0xa6, |
| 505 | 0xa7, |
| 506 | 0xa8, /* ISRC2DEC1 */ |
| 507 | 0xa9, |
| 508 | 0xaa, |
| 509 | 0xab, |
| 510 | 0xac, /* ISRC2INT1 */ |
| 511 | 0xad, |
| 512 | 0xae, |
| 513 | 0xaf, |
| 514 | 0xb0, /* ISRC3DEC1 */ |
| 515 | 0xb1, |
| 516 | 0xb2, |
| 517 | 0xb3, |
| 518 | 0xb4, /* ISRC3INT1 */ |
| 519 | 0xb5, |
| 520 | 0xb6, |
| 521 | 0xb7, |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 522 | }; |
| 523 | EXPORT_SYMBOL_GPL(arizona_mixer_values); |
| 524 | |
| 525 | const DECLARE_TLV_DB_SCALE(arizona_mixer_tlv, -3200, 100, 0); |
| 526 | EXPORT_SYMBOL_GPL(arizona_mixer_tlv); |
| 527 | |
Mark Brown | dc91428 | 2013-02-18 19:09:23 +0000 | [diff] [blame] | 528 | const char *arizona_rate_text[ARIZONA_RATE_ENUM_SIZE] = { |
| 529 | "SYNCCLK rate", "8kHz", "16kHz", "ASYNCCLK rate", |
| 530 | }; |
| 531 | EXPORT_SYMBOL_GPL(arizona_rate_text); |
| 532 | |
| 533 | const int arizona_rate_val[ARIZONA_RATE_ENUM_SIZE] = { |
| 534 | 0, 1, 2, 8, |
| 535 | }; |
| 536 | EXPORT_SYMBOL_GPL(arizona_rate_val); |
| 537 | |
| 538 | |
Charles Keepax | fbedc8c | 2013-12-19 09:30:12 +0000 | [diff] [blame] | 539 | const struct soc_enum arizona_isrc_fsh[] = { |
| 540 | SOC_VALUE_ENUM_SINGLE(ARIZONA_ISRC_1_CTRL_1, |
| 541 | ARIZONA_ISRC1_FSH_SHIFT, 0xf, |
| 542 | ARIZONA_RATE_ENUM_SIZE, |
| 543 | arizona_rate_text, arizona_rate_val), |
| 544 | SOC_VALUE_ENUM_SINGLE(ARIZONA_ISRC_2_CTRL_1, |
| 545 | ARIZONA_ISRC2_FSH_SHIFT, 0xf, |
| 546 | ARIZONA_RATE_ENUM_SIZE, |
| 547 | arizona_rate_text, arizona_rate_val), |
| 548 | SOC_VALUE_ENUM_SINGLE(ARIZONA_ISRC_3_CTRL_1, |
| 549 | ARIZONA_ISRC3_FSH_SHIFT, 0xf, |
| 550 | ARIZONA_RATE_ENUM_SIZE, |
| 551 | arizona_rate_text, arizona_rate_val), |
| 552 | }; |
| 553 | EXPORT_SYMBOL_GPL(arizona_isrc_fsh); |
| 554 | |
Mark Brown | dc91428 | 2013-02-18 19:09:23 +0000 | [diff] [blame] | 555 | const struct soc_enum arizona_isrc_fsl[] = { |
| 556 | SOC_VALUE_ENUM_SINGLE(ARIZONA_ISRC_1_CTRL_2, |
| 557 | ARIZONA_ISRC1_FSL_SHIFT, 0xf, |
| 558 | ARIZONA_RATE_ENUM_SIZE, |
| 559 | arizona_rate_text, arizona_rate_val), |
| 560 | SOC_VALUE_ENUM_SINGLE(ARIZONA_ISRC_2_CTRL_2, |
| 561 | ARIZONA_ISRC2_FSL_SHIFT, 0xf, |
| 562 | ARIZONA_RATE_ENUM_SIZE, |
| 563 | arizona_rate_text, arizona_rate_val), |
| 564 | SOC_VALUE_ENUM_SINGLE(ARIZONA_ISRC_3_CTRL_2, |
| 565 | ARIZONA_ISRC3_FSL_SHIFT, 0xf, |
| 566 | ARIZONA_RATE_ENUM_SIZE, |
| 567 | arizona_rate_text, arizona_rate_val), |
| 568 | }; |
| 569 | EXPORT_SYMBOL_GPL(arizona_isrc_fsl); |
| 570 | |
Charles Keepax | 56d37d8 | 2013-12-19 09:30:13 +0000 | [diff] [blame] | 571 | const struct soc_enum arizona_asrc_rate1 = |
| 572 | SOC_VALUE_ENUM_SINGLE(ARIZONA_ASRC_RATE1, |
| 573 | ARIZONA_ASRC_RATE1_SHIFT, 0xf, |
| 574 | ARIZONA_RATE_ENUM_SIZE - 1, |
| 575 | arizona_rate_text, arizona_rate_val); |
| 576 | EXPORT_SYMBOL_GPL(arizona_asrc_rate1); |
| 577 | |
Mark Brown | e853a00 | 2012-12-09 12:25:52 +0900 | [diff] [blame] | 578 | static const char *arizona_vol_ramp_text[] = { |
| 579 | "0ms/6dB", "0.5ms/6dB", "1ms/6dB", "2ms/6dB", "4ms/6dB", "8ms/6dB", |
| 580 | "15ms/6dB", "30ms/6dB", |
| 581 | }; |
| 582 | |
Takashi Iwai | 27ca2c3 | 2014-02-18 10:01:43 +0100 | [diff] [blame] | 583 | SOC_ENUM_SINGLE_DECL(arizona_in_vd_ramp, |
| 584 | ARIZONA_INPUT_VOLUME_RAMP, |
| 585 | ARIZONA_IN_VD_RAMP_SHIFT, |
| 586 | arizona_vol_ramp_text); |
Mark Brown | e853a00 | 2012-12-09 12:25:52 +0900 | [diff] [blame] | 587 | EXPORT_SYMBOL_GPL(arizona_in_vd_ramp); |
| 588 | |
Takashi Iwai | 27ca2c3 | 2014-02-18 10:01:43 +0100 | [diff] [blame] | 589 | SOC_ENUM_SINGLE_DECL(arizona_in_vi_ramp, |
| 590 | ARIZONA_INPUT_VOLUME_RAMP, |
| 591 | ARIZONA_IN_VI_RAMP_SHIFT, |
| 592 | arizona_vol_ramp_text); |
Mark Brown | e853a00 | 2012-12-09 12:25:52 +0900 | [diff] [blame] | 593 | EXPORT_SYMBOL_GPL(arizona_in_vi_ramp); |
| 594 | |
Takashi Iwai | 27ca2c3 | 2014-02-18 10:01:43 +0100 | [diff] [blame] | 595 | SOC_ENUM_SINGLE_DECL(arizona_out_vd_ramp, |
| 596 | ARIZONA_OUTPUT_VOLUME_RAMP, |
| 597 | ARIZONA_OUT_VD_RAMP_SHIFT, |
| 598 | arizona_vol_ramp_text); |
Mark Brown | e853a00 | 2012-12-09 12:25:52 +0900 | [diff] [blame] | 599 | EXPORT_SYMBOL_GPL(arizona_out_vd_ramp); |
| 600 | |
Takashi Iwai | 27ca2c3 | 2014-02-18 10:01:43 +0100 | [diff] [blame] | 601 | SOC_ENUM_SINGLE_DECL(arizona_out_vi_ramp, |
| 602 | ARIZONA_OUTPUT_VOLUME_RAMP, |
| 603 | ARIZONA_OUT_VI_RAMP_SHIFT, |
| 604 | arizona_vol_ramp_text); |
Mark Brown | e853a00 | 2012-12-09 12:25:52 +0900 | [diff] [blame] | 605 | EXPORT_SYMBOL_GPL(arizona_out_vi_ramp); |
| 606 | |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 607 | static const char *arizona_lhpf_mode_text[] = { |
| 608 | "Low-pass", "High-pass" |
| 609 | }; |
| 610 | |
Takashi Iwai | 27ca2c3 | 2014-02-18 10:01:43 +0100 | [diff] [blame] | 611 | SOC_ENUM_SINGLE_DECL(arizona_lhpf1_mode, |
| 612 | ARIZONA_HPLPF1_1, |
| 613 | ARIZONA_LHPF1_MODE_SHIFT, |
| 614 | arizona_lhpf_mode_text); |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 615 | EXPORT_SYMBOL_GPL(arizona_lhpf1_mode); |
| 616 | |
Takashi Iwai | 27ca2c3 | 2014-02-18 10:01:43 +0100 | [diff] [blame] | 617 | SOC_ENUM_SINGLE_DECL(arizona_lhpf2_mode, |
| 618 | ARIZONA_HPLPF2_1, |
| 619 | ARIZONA_LHPF2_MODE_SHIFT, |
| 620 | arizona_lhpf_mode_text); |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 621 | EXPORT_SYMBOL_GPL(arizona_lhpf2_mode); |
| 622 | |
Takashi Iwai | 27ca2c3 | 2014-02-18 10:01:43 +0100 | [diff] [blame] | 623 | SOC_ENUM_SINGLE_DECL(arizona_lhpf3_mode, |
| 624 | ARIZONA_HPLPF3_1, |
| 625 | ARIZONA_LHPF3_MODE_SHIFT, |
| 626 | arizona_lhpf_mode_text); |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 627 | EXPORT_SYMBOL_GPL(arizona_lhpf3_mode); |
| 628 | |
Takashi Iwai | 27ca2c3 | 2014-02-18 10:01:43 +0100 | [diff] [blame] | 629 | SOC_ENUM_SINGLE_DECL(arizona_lhpf4_mode, |
| 630 | ARIZONA_HPLPF4_1, |
| 631 | ARIZONA_LHPF4_MODE_SHIFT, |
| 632 | arizona_lhpf_mode_text); |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 633 | EXPORT_SYMBOL_GPL(arizona_lhpf4_mode); |
| 634 | |
Mark Brown | 845571c | 2012-12-18 13:47:57 +0000 | [diff] [blame] | 635 | static const char *arizona_ng_hold_text[] = { |
| 636 | "30ms", "120ms", "250ms", "500ms", |
| 637 | }; |
| 638 | |
Takashi Iwai | 27ca2c3 | 2014-02-18 10:01:43 +0100 | [diff] [blame] | 639 | SOC_ENUM_SINGLE_DECL(arizona_ng_hold, |
| 640 | ARIZONA_NOISE_GATE_CONTROL, |
| 641 | ARIZONA_NGATE_HOLD_SHIFT, |
| 642 | arizona_ng_hold_text); |
Mark Brown | 845571c | 2012-12-18 13:47:57 +0000 | [diff] [blame] | 643 | EXPORT_SYMBOL_GPL(arizona_ng_hold); |
| 644 | |
Charles Keepax | 254dc32 | 2013-11-19 16:04:03 +0000 | [diff] [blame] | 645 | static const char * const arizona_in_hpf_cut_text[] = { |
| 646 | "2.5Hz", "5Hz", "10Hz", "20Hz", "40Hz" |
| 647 | }; |
| 648 | |
Takashi Iwai | 27ca2c3 | 2014-02-18 10:01:43 +0100 | [diff] [blame] | 649 | SOC_ENUM_SINGLE_DECL(arizona_in_hpf_cut_enum, |
| 650 | ARIZONA_HPF_CONTROL, |
| 651 | ARIZONA_IN_HPF_CUT_SHIFT, |
| 652 | arizona_in_hpf_cut_text); |
Charles Keepax | 254dc32 | 2013-11-19 16:04:03 +0000 | [diff] [blame] | 653 | EXPORT_SYMBOL_GPL(arizona_in_hpf_cut_enum); |
| 654 | |
Charles Keepax | c7f3843 | 2013-08-06 17:03:55 +0100 | [diff] [blame] | 655 | static const char * const arizona_in_dmic_osr_text[] = { |
Charles Keepax | ef326f4 | 2014-11-12 14:55:26 +0000 | [diff] [blame] | 656 | "1.536MHz", "3.072MHz", "6.144MHz", "768kHz", |
Charles Keepax | c7f3843 | 2013-08-06 17:03:55 +0100 | [diff] [blame] | 657 | }; |
| 658 | |
| 659 | const struct soc_enum arizona_in_dmic_osr[] = { |
| 660 | SOC_ENUM_SINGLE(ARIZONA_IN1L_CONTROL, ARIZONA_IN1_OSR_SHIFT, |
| 661 | ARRAY_SIZE(arizona_in_dmic_osr_text), |
| 662 | arizona_in_dmic_osr_text), |
| 663 | SOC_ENUM_SINGLE(ARIZONA_IN2L_CONTROL, ARIZONA_IN2_OSR_SHIFT, |
| 664 | ARRAY_SIZE(arizona_in_dmic_osr_text), |
| 665 | arizona_in_dmic_osr_text), |
| 666 | SOC_ENUM_SINGLE(ARIZONA_IN3L_CONTROL, ARIZONA_IN3_OSR_SHIFT, |
| 667 | ARRAY_SIZE(arizona_in_dmic_osr_text), |
| 668 | arizona_in_dmic_osr_text), |
| 669 | SOC_ENUM_SINGLE(ARIZONA_IN4L_CONTROL, ARIZONA_IN4_OSR_SHIFT, |
| 670 | ARRAY_SIZE(arizona_in_dmic_osr_text), |
| 671 | arizona_in_dmic_osr_text), |
| 672 | }; |
| 673 | EXPORT_SYMBOL_GPL(arizona_in_dmic_osr); |
| 674 | |
Mark Brown | ddbce97 | 2013-02-15 17:27:22 +0000 | [diff] [blame] | 675 | static void arizona_in_set_vu(struct snd_soc_codec *codec, int ena) |
| 676 | { |
| 677 | struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec); |
| 678 | unsigned int val; |
| 679 | int i; |
| 680 | |
| 681 | if (ena) |
| 682 | val = ARIZONA_IN_VU; |
| 683 | else |
| 684 | val = 0; |
| 685 | |
| 686 | for (i = 0; i < priv->num_inputs; i++) |
| 687 | snd_soc_update_bits(codec, |
| 688 | ARIZONA_ADC_DIGITAL_VOLUME_1L + (i * 4), |
| 689 | ARIZONA_IN_VU, val); |
| 690 | } |
| 691 | |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 692 | int arizona_in_ev(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, |
| 693 | int event) |
| 694 | { |
Lars-Peter Clausen | 043123f | 2015-01-13 10:27:07 +0100 | [diff] [blame] | 695 | struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm); |
| 696 | struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec); |
Mark Brown | 43cd8bf | 2013-02-06 16:57:29 +0000 | [diff] [blame] | 697 | unsigned int reg; |
| 698 | |
| 699 | if (w->shift % 2) |
| 700 | reg = ARIZONA_ADC_DIGITAL_VOLUME_1L + ((w->shift / 2) * 8); |
| 701 | else |
| 702 | reg = ARIZONA_ADC_DIGITAL_VOLUME_1R + ((w->shift / 2) * 8); |
| 703 | |
| 704 | switch (event) { |
Mark Brown | ddbce97 | 2013-02-15 17:27:22 +0000 | [diff] [blame] | 705 | case SND_SOC_DAPM_PRE_PMU: |
| 706 | priv->in_pending++; |
| 707 | break; |
Mark Brown | 43cd8bf | 2013-02-06 16:57:29 +0000 | [diff] [blame] | 708 | case SND_SOC_DAPM_POST_PMU: |
Lars-Peter Clausen | 043123f | 2015-01-13 10:27:07 +0100 | [diff] [blame] | 709 | snd_soc_update_bits(codec, reg, ARIZONA_IN1L_MUTE, 0); |
Mark Brown | ddbce97 | 2013-02-15 17:27:22 +0000 | [diff] [blame] | 710 | |
| 711 | /* If this is the last input pending then allow VU */ |
| 712 | priv->in_pending--; |
| 713 | if (priv->in_pending == 0) { |
| 714 | msleep(1); |
Lars-Peter Clausen | 043123f | 2015-01-13 10:27:07 +0100 | [diff] [blame] | 715 | arizona_in_set_vu(codec, 1); |
Mark Brown | ddbce97 | 2013-02-15 17:27:22 +0000 | [diff] [blame] | 716 | } |
Mark Brown | 43cd8bf | 2013-02-06 16:57:29 +0000 | [diff] [blame] | 717 | break; |
| 718 | case SND_SOC_DAPM_PRE_PMD: |
Lars-Peter Clausen | 043123f | 2015-01-13 10:27:07 +0100 | [diff] [blame] | 719 | snd_soc_update_bits(codec, reg, |
Mark Brown | ddbce97 | 2013-02-15 17:27:22 +0000 | [diff] [blame] | 720 | ARIZONA_IN1L_MUTE | ARIZONA_IN_VU, |
| 721 | ARIZONA_IN1L_MUTE | ARIZONA_IN_VU); |
Mark Brown | 43cd8bf | 2013-02-06 16:57:29 +0000 | [diff] [blame] | 722 | break; |
Mark Brown | ddbce97 | 2013-02-15 17:27:22 +0000 | [diff] [blame] | 723 | case SND_SOC_DAPM_POST_PMD: |
| 724 | /* Disable volume updates if no inputs are enabled */ |
Lars-Peter Clausen | 043123f | 2015-01-13 10:27:07 +0100 | [diff] [blame] | 725 | reg = snd_soc_read(codec, ARIZONA_INPUT_ENABLES); |
Mark Brown | ddbce97 | 2013-02-15 17:27:22 +0000 | [diff] [blame] | 726 | if (reg == 0) |
Lars-Peter Clausen | 043123f | 2015-01-13 10:27:07 +0100 | [diff] [blame] | 727 | arizona_in_set_vu(codec, 0); |
Mark Brown | 43cd8bf | 2013-02-06 16:57:29 +0000 | [diff] [blame] | 728 | } |
| 729 | |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 730 | return 0; |
| 731 | } |
| 732 | EXPORT_SYMBOL_GPL(arizona_in_ev); |
| 733 | |
| 734 | int arizona_out_ev(struct snd_soc_dapm_widget *w, |
| 735 | struct snd_kcontrol *kcontrol, |
| 736 | int event) |
| 737 | { |
Mark Brown | 60d66c9 | 2015-01-27 23:50:47 +0000 | [diff] [blame] | 738 | struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm); |
| 739 | struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec); |
Charles Keepax | 054e1b4 | 2015-01-20 16:31:50 +0000 | [diff] [blame] | 740 | |
Mark Brown | 1a2c7d5 | 2013-03-24 22:50:23 +0000 | [diff] [blame] | 741 | switch (event) { |
Charles Keepax | e1ae5fb | 2015-01-20 16:31:51 +0000 | [diff] [blame] | 742 | case SND_SOC_DAPM_PRE_PMU: |
| 743 | switch (w->shift) { |
| 744 | case ARIZONA_OUT1L_ENA_SHIFT: |
| 745 | case ARIZONA_OUT1R_ENA_SHIFT: |
| 746 | case ARIZONA_OUT2L_ENA_SHIFT: |
| 747 | case ARIZONA_OUT2R_ENA_SHIFT: |
| 748 | case ARIZONA_OUT3L_ENA_SHIFT: |
| 749 | case ARIZONA_OUT3R_ENA_SHIFT: |
| 750 | priv->out_up_pending++; |
| 751 | priv->out_up_delay += 17; |
| 752 | break; |
| 753 | default: |
| 754 | break; |
| 755 | } |
| 756 | break; |
Mark Brown | 1a2c7d5 | 2013-03-24 22:50:23 +0000 | [diff] [blame] | 757 | case SND_SOC_DAPM_POST_PMU: |
| 758 | switch (w->shift) { |
| 759 | case ARIZONA_OUT1L_ENA_SHIFT: |
| 760 | case ARIZONA_OUT1R_ENA_SHIFT: |
| 761 | case ARIZONA_OUT2L_ENA_SHIFT: |
| 762 | case ARIZONA_OUT2R_ENA_SHIFT: |
| 763 | case ARIZONA_OUT3L_ENA_SHIFT: |
| 764 | case ARIZONA_OUT3R_ENA_SHIFT: |
Charles Keepax | e1ae5fb | 2015-01-20 16:31:51 +0000 | [diff] [blame] | 765 | priv->out_up_pending--; |
| 766 | if (!priv->out_up_pending) { |
| 767 | msleep(priv->out_up_delay); |
| 768 | priv->out_up_delay = 0; |
| 769 | } |
Mark Brown | 1a2c7d5 | 2013-03-24 22:50:23 +0000 | [diff] [blame] | 770 | break; |
| 771 | |
| 772 | default: |
| 773 | break; |
| 774 | } |
| 775 | break; |
Charles Keepax | 054e1b4 | 2015-01-20 16:31:50 +0000 | [diff] [blame] | 776 | case SND_SOC_DAPM_PRE_PMD: |
| 777 | switch (w->shift) { |
| 778 | case ARIZONA_OUT1L_ENA_SHIFT: |
| 779 | case ARIZONA_OUT1R_ENA_SHIFT: |
| 780 | case ARIZONA_OUT2L_ENA_SHIFT: |
| 781 | case ARIZONA_OUT2R_ENA_SHIFT: |
| 782 | case ARIZONA_OUT3L_ENA_SHIFT: |
| 783 | case ARIZONA_OUT3R_ENA_SHIFT: |
| 784 | priv->out_down_pending++; |
| 785 | priv->out_down_delay++; |
| 786 | break; |
| 787 | default: |
| 788 | break; |
| 789 | } |
| 790 | break; |
| 791 | case SND_SOC_DAPM_POST_PMD: |
| 792 | switch (w->shift) { |
| 793 | case ARIZONA_OUT1L_ENA_SHIFT: |
| 794 | case ARIZONA_OUT1R_ENA_SHIFT: |
| 795 | case ARIZONA_OUT2L_ENA_SHIFT: |
| 796 | case ARIZONA_OUT2R_ENA_SHIFT: |
| 797 | case ARIZONA_OUT3L_ENA_SHIFT: |
| 798 | case ARIZONA_OUT3R_ENA_SHIFT: |
| 799 | priv->out_down_pending--; |
| 800 | if (!priv->out_down_pending) { |
| 801 | msleep(priv->out_down_delay); |
| 802 | priv->out_down_delay = 0; |
| 803 | } |
| 804 | break; |
| 805 | default: |
| 806 | break; |
| 807 | } |
| 808 | break; |
Mark Brown | 1a2c7d5 | 2013-03-24 22:50:23 +0000 | [diff] [blame] | 809 | } |
| 810 | |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 811 | return 0; |
| 812 | } |
| 813 | EXPORT_SYMBOL_GPL(arizona_out_ev); |
| 814 | |
Mark Brown | f607e31 | 2013-02-22 18:36:53 +0000 | [diff] [blame] | 815 | int arizona_hp_ev(struct snd_soc_dapm_widget *w, |
| 816 | struct snd_kcontrol *kcontrol, |
| 817 | int event) |
| 818 | { |
Lars-Peter Clausen | 043123f | 2015-01-13 10:27:07 +0100 | [diff] [blame] | 819 | struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm); |
| 820 | struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec); |
Mark Brown | 3c43c69 | 2013-12-12 00:49:22 +0000 | [diff] [blame] | 821 | struct arizona *arizona = priv->arizona; |
Mark Brown | f607e31 | 2013-02-22 18:36:53 +0000 | [diff] [blame] | 822 | unsigned int mask = 1 << w->shift; |
| 823 | unsigned int val; |
| 824 | |
| 825 | switch (event) { |
| 826 | case SND_SOC_DAPM_POST_PMU: |
| 827 | val = mask; |
| 828 | break; |
| 829 | case SND_SOC_DAPM_PRE_PMD: |
| 830 | val = 0; |
| 831 | break; |
Charles Keepax | e1ae5fb | 2015-01-20 16:31:51 +0000 | [diff] [blame] | 832 | case SND_SOC_DAPM_PRE_PMU: |
Charles Keepax | 054e1b4 | 2015-01-20 16:31:50 +0000 | [diff] [blame] | 833 | case SND_SOC_DAPM_POST_PMD: |
| 834 | return arizona_out_ev(w, kcontrol, event); |
Mark Brown | f607e31 | 2013-02-22 18:36:53 +0000 | [diff] [blame] | 835 | default: |
| 836 | return -EINVAL; |
| 837 | } |
| 838 | |
| 839 | /* Store the desired state for the HP outputs */ |
| 840 | priv->arizona->hp_ena &= ~mask; |
| 841 | priv->arizona->hp_ena |= val; |
| 842 | |
| 843 | /* Force off if HPDET magic is active */ |
| 844 | if (priv->arizona->hpdet_magic) |
| 845 | val = 0; |
| 846 | |
Mark Brown | 3c43c69 | 2013-12-12 00:49:22 +0000 | [diff] [blame] | 847 | regmap_update_bits_async(arizona->regmap, ARIZONA_OUTPUT_ENABLES_1, |
| 848 | mask, val); |
Mark Brown | f607e31 | 2013-02-22 18:36:53 +0000 | [diff] [blame] | 849 | |
| 850 | return arizona_out_ev(w, kcontrol, event); |
| 851 | } |
| 852 | EXPORT_SYMBOL_GPL(arizona_hp_ev); |
| 853 | |
Mark Brown | cbd840d | 2012-08-08 17:52:44 +0100 | [diff] [blame] | 854 | static unsigned int arizona_sysclk_48k_rates[] = { |
| 855 | 6144000, |
| 856 | 12288000, |
Dimitris Papastamos | 96e1f18 | 2012-11-15 11:41:30 +0000 | [diff] [blame] | 857 | 24576000, |
Mark Brown | cbd840d | 2012-08-08 17:52:44 +0100 | [diff] [blame] | 858 | 49152000, |
Mark Brown | aeaeee1 | 2012-09-26 17:50:02 +0100 | [diff] [blame] | 859 | 73728000, |
| 860 | 98304000, |
| 861 | 147456000, |
Mark Brown | cbd840d | 2012-08-08 17:52:44 +0100 | [diff] [blame] | 862 | }; |
| 863 | |
| 864 | static unsigned int arizona_sysclk_44k1_rates[] = { |
| 865 | 5644800, |
| 866 | 11289600, |
Dimitris Papastamos | 96e1f18 | 2012-11-15 11:41:30 +0000 | [diff] [blame] | 867 | 22579200, |
Mark Brown | cbd840d | 2012-08-08 17:52:44 +0100 | [diff] [blame] | 868 | 45158400, |
Mark Brown | aeaeee1 | 2012-09-26 17:50:02 +0100 | [diff] [blame] | 869 | 67737600, |
| 870 | 90316800, |
| 871 | 135475200, |
Mark Brown | cbd840d | 2012-08-08 17:52:44 +0100 | [diff] [blame] | 872 | }; |
| 873 | |
| 874 | static int arizona_set_opclk(struct snd_soc_codec *codec, unsigned int clk, |
| 875 | unsigned int freq) |
| 876 | { |
| 877 | struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec); |
| 878 | unsigned int reg; |
| 879 | unsigned int *rates; |
| 880 | int ref, div, refclk; |
| 881 | |
| 882 | switch (clk) { |
| 883 | case ARIZONA_CLK_OPCLK: |
| 884 | reg = ARIZONA_OUTPUT_SYSTEM_CLOCK; |
| 885 | refclk = priv->sysclk; |
| 886 | break; |
| 887 | case ARIZONA_CLK_ASYNC_OPCLK: |
| 888 | reg = ARIZONA_OUTPUT_ASYNC_CLOCK; |
| 889 | refclk = priv->asyncclk; |
| 890 | break; |
| 891 | default: |
| 892 | return -EINVAL; |
| 893 | } |
| 894 | |
| 895 | if (refclk % 8000) |
| 896 | rates = arizona_sysclk_44k1_rates; |
| 897 | else |
| 898 | rates = arizona_sysclk_48k_rates; |
| 899 | |
| 900 | for (ref = 0; ref < ARRAY_SIZE(arizona_sysclk_48k_rates) && |
| 901 | rates[ref] <= refclk; ref++) { |
| 902 | div = 1; |
| 903 | while (rates[ref] / div >= freq && div < 32) { |
| 904 | if (rates[ref] / div == freq) { |
| 905 | dev_dbg(codec->dev, "Configured %dHz OPCLK\n", |
| 906 | freq); |
| 907 | snd_soc_update_bits(codec, reg, |
| 908 | ARIZONA_OPCLK_DIV_MASK | |
| 909 | ARIZONA_OPCLK_SEL_MASK, |
| 910 | (div << |
| 911 | ARIZONA_OPCLK_DIV_SHIFT) | |
| 912 | ref); |
| 913 | return 0; |
| 914 | } |
| 915 | div++; |
| 916 | } |
| 917 | } |
| 918 | |
| 919 | dev_err(codec->dev, "Unable to generate %dHz OPCLK\n", freq); |
| 920 | return -EINVAL; |
| 921 | } |
| 922 | |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 923 | int arizona_set_sysclk(struct snd_soc_codec *codec, int clk_id, |
| 924 | int source, unsigned int freq, int dir) |
| 925 | { |
| 926 | struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec); |
| 927 | struct arizona *arizona = priv->arizona; |
| 928 | char *name; |
| 929 | unsigned int reg; |
| 930 | unsigned int mask = ARIZONA_SYSCLK_FREQ_MASK | ARIZONA_SYSCLK_SRC_MASK; |
| 931 | unsigned int val = source << ARIZONA_SYSCLK_SRC_SHIFT; |
| 932 | unsigned int *clk; |
| 933 | |
| 934 | switch (clk_id) { |
| 935 | case ARIZONA_CLK_SYSCLK: |
| 936 | name = "SYSCLK"; |
| 937 | reg = ARIZONA_SYSTEM_CLOCK_1; |
| 938 | clk = &priv->sysclk; |
| 939 | mask |= ARIZONA_SYSCLK_FRAC; |
| 940 | break; |
| 941 | case ARIZONA_CLK_ASYNCCLK: |
| 942 | name = "ASYNCCLK"; |
| 943 | reg = ARIZONA_ASYNC_CLOCK_1; |
| 944 | clk = &priv->asyncclk; |
| 945 | break; |
Mark Brown | cbd840d | 2012-08-08 17:52:44 +0100 | [diff] [blame] | 946 | case ARIZONA_CLK_OPCLK: |
| 947 | case ARIZONA_CLK_ASYNC_OPCLK: |
| 948 | return arizona_set_opclk(codec, clk_id, freq); |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 949 | default: |
| 950 | return -EINVAL; |
| 951 | } |
| 952 | |
| 953 | switch (freq) { |
| 954 | case 5644800: |
| 955 | case 6144000: |
| 956 | break; |
| 957 | case 11289600: |
| 958 | case 12288000: |
Mark Brown | 3f341f7 | 2013-03-08 15:22:29 +0800 | [diff] [blame] | 959 | val |= ARIZONA_CLK_12MHZ << ARIZONA_SYSCLK_FREQ_SHIFT; |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 960 | break; |
| 961 | case 22579200: |
| 962 | case 24576000: |
Mark Brown | 3f341f7 | 2013-03-08 15:22:29 +0800 | [diff] [blame] | 963 | val |= ARIZONA_CLK_24MHZ << ARIZONA_SYSCLK_FREQ_SHIFT; |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 964 | break; |
| 965 | case 45158400: |
| 966 | case 49152000: |
Mark Brown | 3f341f7 | 2013-03-08 15:22:29 +0800 | [diff] [blame] | 967 | val |= ARIZONA_CLK_49MHZ << ARIZONA_SYSCLK_FREQ_SHIFT; |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 968 | break; |
Mark Brown | 3811336 | 2012-11-26 16:01:37 +0000 | [diff] [blame] | 969 | case 67737600: |
| 970 | case 73728000: |
Mark Brown | 3f341f7 | 2013-03-08 15:22:29 +0800 | [diff] [blame] | 971 | val |= ARIZONA_CLK_73MHZ << ARIZONA_SYSCLK_FREQ_SHIFT; |
Mark Brown | 3811336 | 2012-11-26 16:01:37 +0000 | [diff] [blame] | 972 | break; |
| 973 | case 90316800: |
| 974 | case 98304000: |
Mark Brown | 3f341f7 | 2013-03-08 15:22:29 +0800 | [diff] [blame] | 975 | val |= ARIZONA_CLK_98MHZ << ARIZONA_SYSCLK_FREQ_SHIFT; |
Mark Brown | 3811336 | 2012-11-26 16:01:37 +0000 | [diff] [blame] | 976 | break; |
| 977 | case 135475200: |
| 978 | case 147456000: |
Mark Brown | 3f341f7 | 2013-03-08 15:22:29 +0800 | [diff] [blame] | 979 | val |= ARIZONA_CLK_147MHZ << ARIZONA_SYSCLK_FREQ_SHIFT; |
Mark Brown | 3811336 | 2012-11-26 16:01:37 +0000 | [diff] [blame] | 980 | break; |
Mark Brown | f2c26d4 | 2013-01-21 16:09:36 +0900 | [diff] [blame] | 981 | case 0: |
| 982 | dev_dbg(arizona->dev, "%s cleared\n", name); |
| 983 | *clk = freq; |
| 984 | return 0; |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 985 | default: |
| 986 | return -EINVAL; |
| 987 | } |
| 988 | |
| 989 | *clk = freq; |
| 990 | |
| 991 | if (freq % 6144000) |
| 992 | val |= ARIZONA_SYSCLK_FRAC; |
| 993 | |
| 994 | dev_dbg(arizona->dev, "%s set to %uHz", name, freq); |
| 995 | |
| 996 | return regmap_update_bits(arizona->regmap, reg, mask, val); |
| 997 | } |
| 998 | EXPORT_SYMBOL_GPL(arizona_set_sysclk); |
| 999 | |
| 1000 | static int arizona_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) |
| 1001 | { |
| 1002 | struct snd_soc_codec *codec = dai->codec; |
Mark Brown | 3c43c69 | 2013-12-12 00:49:22 +0000 | [diff] [blame] | 1003 | struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec); |
| 1004 | struct arizona *arizona = priv->arizona; |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 1005 | int lrclk, bclk, mode, base; |
| 1006 | |
| 1007 | base = dai->driver->base; |
| 1008 | |
| 1009 | lrclk = 0; |
| 1010 | bclk = 0; |
| 1011 | |
| 1012 | switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { |
| 1013 | case SND_SOC_DAIFMT_DSP_A: |
Richard Fitzgerald | e9c7f34 | 2014-11-12 16:12:46 +0000 | [diff] [blame] | 1014 | mode = ARIZONA_FMT_DSP_MODE_A; |
| 1015 | break; |
| 1016 | case SND_SOC_DAIFMT_DSP_B: |
| 1017 | if ((fmt & SND_SOC_DAIFMT_MASTER_MASK) |
| 1018 | != SND_SOC_DAIFMT_CBM_CFM) { |
| 1019 | arizona_aif_err(dai, "DSP_B not valid in slave mode\n"); |
| 1020 | return -EINVAL; |
| 1021 | } |
| 1022 | mode = ARIZONA_FMT_DSP_MODE_B; |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 1023 | break; |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 1024 | case SND_SOC_DAIFMT_I2S: |
Richard Fitzgerald | e9c7f34 | 2014-11-12 16:12:46 +0000 | [diff] [blame] | 1025 | mode = ARIZONA_FMT_I2S_MODE; |
| 1026 | break; |
| 1027 | case SND_SOC_DAIFMT_LEFT_J: |
| 1028 | if ((fmt & SND_SOC_DAIFMT_MASTER_MASK) |
| 1029 | != SND_SOC_DAIFMT_CBM_CFM) { |
| 1030 | arizona_aif_err(dai, "LEFT_J not valid in slave mode\n"); |
| 1031 | return -EINVAL; |
| 1032 | } |
| 1033 | mode = ARIZONA_FMT_LEFT_JUSTIFIED_MODE; |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 1034 | break; |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 1035 | default: |
| 1036 | arizona_aif_err(dai, "Unsupported DAI format %d\n", |
| 1037 | fmt & SND_SOC_DAIFMT_FORMAT_MASK); |
| 1038 | return -EINVAL; |
| 1039 | } |
| 1040 | |
| 1041 | switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { |
| 1042 | case SND_SOC_DAIFMT_CBS_CFS: |
| 1043 | break; |
| 1044 | case SND_SOC_DAIFMT_CBS_CFM: |
| 1045 | lrclk |= ARIZONA_AIF1TX_LRCLK_MSTR; |
| 1046 | break; |
| 1047 | case SND_SOC_DAIFMT_CBM_CFS: |
| 1048 | bclk |= ARIZONA_AIF1_BCLK_MSTR; |
| 1049 | break; |
| 1050 | case SND_SOC_DAIFMT_CBM_CFM: |
| 1051 | bclk |= ARIZONA_AIF1_BCLK_MSTR; |
| 1052 | lrclk |= ARIZONA_AIF1TX_LRCLK_MSTR; |
| 1053 | break; |
| 1054 | default: |
| 1055 | arizona_aif_err(dai, "Unsupported master mode %d\n", |
| 1056 | fmt & SND_SOC_DAIFMT_MASTER_MASK); |
| 1057 | return -EINVAL; |
| 1058 | } |
| 1059 | |
| 1060 | switch (fmt & SND_SOC_DAIFMT_INV_MASK) { |
| 1061 | case SND_SOC_DAIFMT_NB_NF: |
| 1062 | break; |
| 1063 | case SND_SOC_DAIFMT_IB_IF: |
| 1064 | bclk |= ARIZONA_AIF1_BCLK_INV; |
| 1065 | lrclk |= ARIZONA_AIF1TX_LRCLK_INV; |
| 1066 | break; |
| 1067 | case SND_SOC_DAIFMT_IB_NF: |
| 1068 | bclk |= ARIZONA_AIF1_BCLK_INV; |
| 1069 | break; |
| 1070 | case SND_SOC_DAIFMT_NB_IF: |
| 1071 | lrclk |= ARIZONA_AIF1TX_LRCLK_INV; |
| 1072 | break; |
| 1073 | default: |
| 1074 | return -EINVAL; |
| 1075 | } |
| 1076 | |
Mark Brown | 3c43c69 | 2013-12-12 00:49:22 +0000 | [diff] [blame] | 1077 | regmap_update_bits_async(arizona->regmap, base + ARIZONA_AIF_BCLK_CTRL, |
| 1078 | ARIZONA_AIF1_BCLK_INV | |
| 1079 | ARIZONA_AIF1_BCLK_MSTR, |
| 1080 | bclk); |
| 1081 | regmap_update_bits_async(arizona->regmap, base + ARIZONA_AIF_TX_PIN_CTRL, |
| 1082 | ARIZONA_AIF1TX_LRCLK_INV | |
| 1083 | ARIZONA_AIF1TX_LRCLK_MSTR, lrclk); |
| 1084 | regmap_update_bits_async(arizona->regmap, |
| 1085 | base + ARIZONA_AIF_RX_PIN_CTRL, |
| 1086 | ARIZONA_AIF1RX_LRCLK_INV | |
| 1087 | ARIZONA_AIF1RX_LRCLK_MSTR, lrclk); |
| 1088 | regmap_update_bits(arizona->regmap, base + ARIZONA_AIF_FORMAT, |
| 1089 | ARIZONA_AIF1_FMT_MASK, mode); |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 1090 | |
| 1091 | return 0; |
| 1092 | } |
| 1093 | |
Mark Brown | 949e6bc | 2012-07-04 18:58:04 +0100 | [diff] [blame] | 1094 | static const int arizona_48k_bclk_rates[] = { |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 1095 | -1, |
| 1096 | 48000, |
| 1097 | 64000, |
| 1098 | 96000, |
| 1099 | 128000, |
| 1100 | 192000, |
| 1101 | 256000, |
| 1102 | 384000, |
| 1103 | 512000, |
| 1104 | 768000, |
| 1105 | 1024000, |
| 1106 | 1536000, |
| 1107 | 2048000, |
| 1108 | 3072000, |
| 1109 | 4096000, |
| 1110 | 6144000, |
| 1111 | 8192000, |
| 1112 | 12288000, |
| 1113 | 24576000, |
| 1114 | }; |
| 1115 | |
Mark Brown | 5b2eec3 | 2012-07-04 17:32:05 +0100 | [diff] [blame] | 1116 | static const unsigned int arizona_48k_rates[] = { |
| 1117 | 12000, |
| 1118 | 24000, |
| 1119 | 48000, |
| 1120 | 96000, |
| 1121 | 192000, |
| 1122 | 384000, |
| 1123 | 768000, |
| 1124 | 4000, |
| 1125 | 8000, |
| 1126 | 16000, |
| 1127 | 32000, |
| 1128 | 64000, |
| 1129 | 128000, |
| 1130 | 256000, |
| 1131 | 512000, |
| 1132 | }; |
| 1133 | |
| 1134 | static const struct snd_pcm_hw_constraint_list arizona_48k_constraint = { |
| 1135 | .count = ARRAY_SIZE(arizona_48k_rates), |
| 1136 | .list = arizona_48k_rates, |
| 1137 | }; |
| 1138 | |
Mark Brown | 949e6bc | 2012-07-04 18:58:04 +0100 | [diff] [blame] | 1139 | static const int arizona_44k1_bclk_rates[] = { |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 1140 | -1, |
| 1141 | 44100, |
| 1142 | 58800, |
| 1143 | 88200, |
| 1144 | 117600, |
| 1145 | 177640, |
| 1146 | 235200, |
| 1147 | 352800, |
| 1148 | 470400, |
| 1149 | 705600, |
| 1150 | 940800, |
| 1151 | 1411200, |
| 1152 | 1881600, |
Heather Lomond | 4758be3 | 2012-09-05 05:02:10 -0400 | [diff] [blame] | 1153 | 2822400, |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 1154 | 3763200, |
| 1155 | 5644800, |
| 1156 | 7526400, |
| 1157 | 11289600, |
| 1158 | 22579200, |
| 1159 | }; |
| 1160 | |
Mark Brown | 5b2eec3 | 2012-07-04 17:32:05 +0100 | [diff] [blame] | 1161 | static const unsigned int arizona_44k1_rates[] = { |
| 1162 | 11025, |
| 1163 | 22050, |
| 1164 | 44100, |
| 1165 | 88200, |
| 1166 | 176400, |
| 1167 | 352800, |
| 1168 | 705600, |
| 1169 | }; |
| 1170 | |
| 1171 | static const struct snd_pcm_hw_constraint_list arizona_44k1_constraint = { |
| 1172 | .count = ARRAY_SIZE(arizona_44k1_rates), |
| 1173 | .list = arizona_44k1_rates, |
| 1174 | }; |
| 1175 | |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 1176 | static int arizona_sr_vals[] = { |
| 1177 | 0, |
| 1178 | 12000, |
| 1179 | 24000, |
| 1180 | 48000, |
| 1181 | 96000, |
| 1182 | 192000, |
| 1183 | 384000, |
| 1184 | 768000, |
| 1185 | 0, |
| 1186 | 11025, |
| 1187 | 22050, |
| 1188 | 44100, |
| 1189 | 88200, |
| 1190 | 176400, |
| 1191 | 352800, |
| 1192 | 705600, |
| 1193 | 4000, |
| 1194 | 8000, |
| 1195 | 16000, |
| 1196 | 32000, |
| 1197 | 64000, |
| 1198 | 128000, |
| 1199 | 256000, |
| 1200 | 512000, |
| 1201 | }; |
| 1202 | |
Mark Brown | 5b2eec3 | 2012-07-04 17:32:05 +0100 | [diff] [blame] | 1203 | static int arizona_startup(struct snd_pcm_substream *substream, |
| 1204 | struct snd_soc_dai *dai) |
| 1205 | { |
| 1206 | struct snd_soc_codec *codec = dai->codec; |
| 1207 | struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec); |
| 1208 | struct arizona_dai_priv *dai_priv = &priv->dai[dai->id - 1]; |
| 1209 | const struct snd_pcm_hw_constraint_list *constraint; |
| 1210 | unsigned int base_rate; |
| 1211 | |
| 1212 | switch (dai_priv->clk) { |
| 1213 | case ARIZONA_CLK_SYSCLK: |
| 1214 | base_rate = priv->sysclk; |
| 1215 | break; |
| 1216 | case ARIZONA_CLK_ASYNCCLK: |
| 1217 | base_rate = priv->asyncclk; |
| 1218 | break; |
| 1219 | default: |
| 1220 | return 0; |
| 1221 | } |
| 1222 | |
Mark Brown | f2c26d4 | 2013-01-21 16:09:36 +0900 | [diff] [blame] | 1223 | if (base_rate == 0) |
| 1224 | return 0; |
| 1225 | |
Mark Brown | 5b2eec3 | 2012-07-04 17:32:05 +0100 | [diff] [blame] | 1226 | if (base_rate % 8000) |
| 1227 | constraint = &arizona_44k1_constraint; |
| 1228 | else |
| 1229 | constraint = &arizona_48k_constraint; |
| 1230 | |
| 1231 | return snd_pcm_hw_constraint_list(substream->runtime, 0, |
| 1232 | SNDRV_PCM_HW_PARAM_RATE, |
| 1233 | constraint); |
| 1234 | } |
| 1235 | |
Charles Keepax | cc9e924 | 2014-06-06 14:14:05 +0100 | [diff] [blame] | 1236 | static void arizona_wm5102_set_dac_comp(struct snd_soc_codec *codec, |
| 1237 | unsigned int rate) |
| 1238 | { |
| 1239 | struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec); |
| 1240 | struct arizona *arizona = priv->arizona; |
| 1241 | struct reg_default dac_comp[] = { |
| 1242 | { 0x80, 0x3 }, |
| 1243 | { ARIZONA_DAC_COMP_1, 0 }, |
| 1244 | { ARIZONA_DAC_COMP_2, 0 }, |
| 1245 | { 0x80, 0x0 }, |
| 1246 | }; |
| 1247 | |
Lars-Peter Clausen | d74bcaa | 2014-11-09 17:00:59 +0100 | [diff] [blame] | 1248 | mutex_lock(&arizona->dac_comp_lock); |
Charles Keepax | cc9e924 | 2014-06-06 14:14:05 +0100 | [diff] [blame] | 1249 | |
| 1250 | dac_comp[1].def = arizona->dac_comp_coeff; |
| 1251 | if (rate >= 176400) |
| 1252 | dac_comp[2].def = arizona->dac_comp_enabled; |
| 1253 | |
Lars-Peter Clausen | d74bcaa | 2014-11-09 17:00:59 +0100 | [diff] [blame] | 1254 | mutex_unlock(&arizona->dac_comp_lock); |
Charles Keepax | cc9e924 | 2014-06-06 14:14:05 +0100 | [diff] [blame] | 1255 | |
| 1256 | regmap_multi_reg_write(arizona->regmap, |
| 1257 | dac_comp, |
| 1258 | ARRAY_SIZE(dac_comp)); |
| 1259 | } |
| 1260 | |
Mark Brown | b272efc | 2012-10-10 15:10:08 +0900 | [diff] [blame] | 1261 | static int arizona_hw_params_rate(struct snd_pcm_substream *substream, |
| 1262 | struct snd_pcm_hw_params *params, |
| 1263 | struct snd_soc_dai *dai) |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 1264 | { |
| 1265 | struct snd_soc_codec *codec = dai->codec; |
Mark Brown | c013b27 | 2012-07-04 20:05:57 +0100 | [diff] [blame] | 1266 | struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec); |
| 1267 | struct arizona_dai_priv *dai_priv = &priv->dai[dai->id - 1]; |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 1268 | int base = dai->driver->base; |
Mark Brown | b272efc | 2012-10-10 15:10:08 +0900 | [diff] [blame] | 1269 | int i, sr_val; |
| 1270 | |
| 1271 | /* |
| 1272 | * We will need to be more flexible than this in future, |
| 1273 | * currently we use a single sample rate for SYSCLK. |
| 1274 | */ |
| 1275 | for (i = 0; i < ARRAY_SIZE(arizona_sr_vals); i++) |
| 1276 | if (arizona_sr_vals[i] == params_rate(params)) |
| 1277 | break; |
| 1278 | if (i == ARRAY_SIZE(arizona_sr_vals)) { |
| 1279 | arizona_aif_err(dai, "Unsupported sample rate %dHz\n", |
| 1280 | params_rate(params)); |
| 1281 | return -EINVAL; |
| 1282 | } |
| 1283 | sr_val = i; |
| 1284 | |
| 1285 | switch (dai_priv->clk) { |
| 1286 | case ARIZONA_CLK_SYSCLK: |
Charles Keepax | cc9e924 | 2014-06-06 14:14:05 +0100 | [diff] [blame] | 1287 | switch (priv->arizona->type) { |
| 1288 | case WM5102: |
| 1289 | arizona_wm5102_set_dac_comp(codec, |
| 1290 | params_rate(params)); |
| 1291 | break; |
| 1292 | default: |
| 1293 | break; |
| 1294 | } |
| 1295 | |
Mark Brown | b272efc | 2012-10-10 15:10:08 +0900 | [diff] [blame] | 1296 | snd_soc_update_bits(codec, ARIZONA_SAMPLE_RATE_1, |
| 1297 | ARIZONA_SAMPLE_RATE_1_MASK, sr_val); |
| 1298 | if (base) |
| 1299 | snd_soc_update_bits(codec, base + ARIZONA_AIF_RATE_CTRL, |
| 1300 | ARIZONA_AIF1_RATE_MASK, 0); |
| 1301 | break; |
| 1302 | case ARIZONA_CLK_ASYNCCLK: |
| 1303 | snd_soc_update_bits(codec, ARIZONA_ASYNC_SAMPLE_RATE_1, |
Charles Keepax | c24084d | 2014-09-01 15:48:52 +0100 | [diff] [blame] | 1304 | ARIZONA_ASYNC_SAMPLE_RATE_1_MASK, sr_val); |
Mark Brown | b272efc | 2012-10-10 15:10:08 +0900 | [diff] [blame] | 1305 | if (base) |
| 1306 | snd_soc_update_bits(codec, base + ARIZONA_AIF_RATE_CTRL, |
| 1307 | ARIZONA_AIF1_RATE_MASK, |
| 1308 | 8 << ARIZONA_AIF1_RATE_SHIFT); |
| 1309 | break; |
| 1310 | default: |
| 1311 | arizona_aif_err(dai, "Invalid clock %d\n", dai_priv->clk); |
| 1312 | return -EINVAL; |
| 1313 | } |
| 1314 | |
| 1315 | return 0; |
| 1316 | } |
| 1317 | |
Richard Fitzgerald | bedd4b1 | 2014-07-22 11:42:06 +0100 | [diff] [blame] | 1318 | static bool arizona_aif_cfg_changed(struct snd_soc_codec *codec, |
| 1319 | int base, int bclk, int lrclk, int frame) |
| 1320 | { |
| 1321 | int val; |
| 1322 | |
| 1323 | val = snd_soc_read(codec, base + ARIZONA_AIF_BCLK_CTRL); |
| 1324 | if (bclk != (val & ARIZONA_AIF1_BCLK_FREQ_MASK)) |
| 1325 | return true; |
| 1326 | |
| 1327 | val = snd_soc_read(codec, base + ARIZONA_AIF_TX_BCLK_RATE); |
| 1328 | if (lrclk != (val & ARIZONA_AIF1TX_BCPF_MASK)) |
| 1329 | return true; |
| 1330 | |
| 1331 | val = snd_soc_read(codec, base + ARIZONA_AIF_FRAME_CTRL_1); |
| 1332 | if (frame != (val & (ARIZONA_AIF1TX_WL_MASK | |
| 1333 | ARIZONA_AIF1TX_SLOT_LEN_MASK))) |
| 1334 | return true; |
| 1335 | |
| 1336 | return false; |
| 1337 | } |
| 1338 | |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 1339 | static int arizona_hw_params(struct snd_pcm_substream *substream, |
| 1340 | struct snd_pcm_hw_params *params, |
| 1341 | struct snd_soc_dai *dai) |
| 1342 | { |
| 1343 | struct snd_soc_codec *codec = dai->codec; |
| 1344 | struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec); |
Mark Brown | c94aa30 | 2013-01-17 16:35:14 +0900 | [diff] [blame] | 1345 | struct arizona *arizona = priv->arizona; |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 1346 | int base = dai->driver->base; |
| 1347 | const int *rates; |
Mark Brown | 76bf969 | 2013-03-05 14:17:47 +0800 | [diff] [blame] | 1348 | int i, ret, val; |
Charles Keepax | ed70f3a | 2014-06-04 10:11:06 +0100 | [diff] [blame] | 1349 | int channels = params_channels(params); |
Mark Brown | c94aa30 | 2013-01-17 16:35:14 +0900 | [diff] [blame] | 1350 | int chan_limit = arizona->pdata.max_channels_clocked[dai->id - 1]; |
Charles Keepax | ed70f3a | 2014-06-04 10:11:06 +0100 | [diff] [blame] | 1351 | int tdm_width = arizona->tdm_width[dai->id - 1]; |
| 1352 | int tdm_slots = arizona->tdm_slots[dai->id - 1]; |
Mark Brown | c94aa30 | 2013-01-17 16:35:14 +0900 | [diff] [blame] | 1353 | int bclk, lrclk, wl, frame, bclk_target; |
Richard Fitzgerald | bedd4b1 | 2014-07-22 11:42:06 +0100 | [diff] [blame] | 1354 | bool reconfig; |
| 1355 | unsigned int aif_tx_state, aif_rx_state; |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 1356 | |
| 1357 | if (params_rate(params) % 8000) |
Mark Brown | 949e6bc | 2012-07-04 18:58:04 +0100 | [diff] [blame] | 1358 | rates = &arizona_44k1_bclk_rates[0]; |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 1359 | else |
Mark Brown | 949e6bc | 2012-07-04 18:58:04 +0100 | [diff] [blame] | 1360 | rates = &arizona_48k_bclk_rates[0]; |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 1361 | |
Nikesh Oswal | d114e5f | 2014-08-12 15:30:32 +0100 | [diff] [blame] | 1362 | wl = snd_pcm_format_width(params_format(params)); |
| 1363 | |
Charles Keepax | ed70f3a | 2014-06-04 10:11:06 +0100 | [diff] [blame] | 1364 | if (tdm_slots) { |
| 1365 | arizona_aif_dbg(dai, "Configuring for %d %d bit TDM slots\n", |
| 1366 | tdm_slots, tdm_width); |
| 1367 | bclk_target = tdm_slots * tdm_width * params_rate(params); |
| 1368 | channels = tdm_slots; |
| 1369 | } else { |
| 1370 | bclk_target = snd_soc_params_to_bclk(params); |
Nikesh Oswal | d114e5f | 2014-08-12 15:30:32 +0100 | [diff] [blame] | 1371 | tdm_width = wl; |
Charles Keepax | ed70f3a | 2014-06-04 10:11:06 +0100 | [diff] [blame] | 1372 | } |
| 1373 | |
| 1374 | if (chan_limit && chan_limit < channels) { |
Mark Brown | c94aa30 | 2013-01-17 16:35:14 +0900 | [diff] [blame] | 1375 | arizona_aif_dbg(dai, "Limiting to %d channels\n", chan_limit); |
Charles Keepax | ed70f3a | 2014-06-04 10:11:06 +0100 | [diff] [blame] | 1376 | bclk_target /= channels; |
Mark Brown | c94aa30 | 2013-01-17 16:35:14 +0900 | [diff] [blame] | 1377 | bclk_target *= chan_limit; |
| 1378 | } |
| 1379 | |
Charles Keepax | ed70f3a | 2014-06-04 10:11:06 +0100 | [diff] [blame] | 1380 | /* Force multiple of 2 channels for I2S mode */ |
Mark Brown | 76bf969 | 2013-03-05 14:17:47 +0800 | [diff] [blame] | 1381 | val = snd_soc_read(codec, base + ARIZONA_AIF_FORMAT); |
Richard Fitzgerald | e9c7f34 | 2014-11-12 16:12:46 +0000 | [diff] [blame] | 1382 | val &= ARIZONA_AIF1_FMT_MASK; |
| 1383 | if ((channels & 1) && (val == ARIZONA_FMT_I2S_MODE)) { |
Mark Brown | 76bf969 | 2013-03-05 14:17:47 +0800 | [diff] [blame] | 1384 | arizona_aif_dbg(dai, "Forcing stereo mode\n"); |
Charles Keepax | ed70f3a | 2014-06-04 10:11:06 +0100 | [diff] [blame] | 1385 | bclk_target /= channels; |
| 1386 | bclk_target *= channels + 1; |
Mark Brown | 76bf969 | 2013-03-05 14:17:47 +0800 | [diff] [blame] | 1387 | } |
| 1388 | |
Mark Brown | 949e6bc | 2012-07-04 18:58:04 +0100 | [diff] [blame] | 1389 | for (i = 0; i < ARRAY_SIZE(arizona_44k1_bclk_rates); i++) { |
Mark Brown | c94aa30 | 2013-01-17 16:35:14 +0900 | [diff] [blame] | 1390 | if (rates[i] >= bclk_target && |
Mark Brown | 5001765 | 2012-07-04 19:07:09 +0100 | [diff] [blame] | 1391 | rates[i] % params_rate(params) == 0) { |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 1392 | bclk = i; |
| 1393 | break; |
| 1394 | } |
| 1395 | } |
Mark Brown | 949e6bc | 2012-07-04 18:58:04 +0100 | [diff] [blame] | 1396 | if (i == ARRAY_SIZE(arizona_44k1_bclk_rates)) { |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 1397 | arizona_aif_err(dai, "Unsupported sample rate %dHz\n", |
| 1398 | params_rate(params)); |
| 1399 | return -EINVAL; |
| 1400 | } |
| 1401 | |
Mark Brown | b59e0f8 | 2013-01-17 14:15:59 +0900 | [diff] [blame] | 1402 | lrclk = rates[bclk] / params_rate(params); |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 1403 | |
| 1404 | arizona_aif_dbg(dai, "BCLK %dHz LRCLK %dHz\n", |
| 1405 | rates[bclk], rates[bclk] / lrclk); |
| 1406 | |
Nikesh Oswal | d114e5f | 2014-08-12 15:30:32 +0100 | [diff] [blame] | 1407 | frame = wl << ARIZONA_AIF1TX_WL_SHIFT | tdm_width; |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 1408 | |
Richard Fitzgerald | bedd4b1 | 2014-07-22 11:42:06 +0100 | [diff] [blame] | 1409 | reconfig = arizona_aif_cfg_changed(codec, base, bclk, lrclk, frame); |
| 1410 | |
| 1411 | if (reconfig) { |
| 1412 | /* Save AIF TX/RX state */ |
| 1413 | aif_tx_state = snd_soc_read(codec, |
| 1414 | base + ARIZONA_AIF_TX_ENABLES); |
| 1415 | aif_rx_state = snd_soc_read(codec, |
| 1416 | base + ARIZONA_AIF_RX_ENABLES); |
| 1417 | /* Disable AIF TX/RX before reconfiguring it */ |
| 1418 | regmap_update_bits_async(arizona->regmap, |
| 1419 | base + ARIZONA_AIF_TX_ENABLES, 0xff, 0x0); |
| 1420 | regmap_update_bits(arizona->regmap, |
| 1421 | base + ARIZONA_AIF_RX_ENABLES, 0xff, 0x0); |
| 1422 | } |
| 1423 | |
Mark Brown | b272efc | 2012-10-10 15:10:08 +0900 | [diff] [blame] | 1424 | ret = arizona_hw_params_rate(substream, params, dai); |
| 1425 | if (ret != 0) |
Richard Fitzgerald | bedd4b1 | 2014-07-22 11:42:06 +0100 | [diff] [blame] | 1426 | goto restore_aif; |
Mark Brown | c013b27 | 2012-07-04 20:05:57 +0100 | [diff] [blame] | 1427 | |
Richard Fitzgerald | bedd4b1 | 2014-07-22 11:42:06 +0100 | [diff] [blame] | 1428 | if (reconfig) { |
| 1429 | regmap_update_bits_async(arizona->regmap, |
| 1430 | base + ARIZONA_AIF_BCLK_CTRL, |
| 1431 | ARIZONA_AIF1_BCLK_FREQ_MASK, bclk); |
| 1432 | regmap_update_bits_async(arizona->regmap, |
| 1433 | base + ARIZONA_AIF_TX_BCLK_RATE, |
| 1434 | ARIZONA_AIF1TX_BCPF_MASK, lrclk); |
| 1435 | regmap_update_bits_async(arizona->regmap, |
| 1436 | base + ARIZONA_AIF_RX_BCLK_RATE, |
| 1437 | ARIZONA_AIF1RX_BCPF_MASK, lrclk); |
| 1438 | regmap_update_bits_async(arizona->regmap, |
| 1439 | base + ARIZONA_AIF_FRAME_CTRL_1, |
| 1440 | ARIZONA_AIF1TX_WL_MASK | |
| 1441 | ARIZONA_AIF1TX_SLOT_LEN_MASK, frame); |
| 1442 | regmap_update_bits(arizona->regmap, |
| 1443 | base + ARIZONA_AIF_FRAME_CTRL_2, |
| 1444 | ARIZONA_AIF1RX_WL_MASK | |
| 1445 | ARIZONA_AIF1RX_SLOT_LEN_MASK, frame); |
| 1446 | } |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 1447 | |
Richard Fitzgerald | bedd4b1 | 2014-07-22 11:42:06 +0100 | [diff] [blame] | 1448 | restore_aif: |
| 1449 | if (reconfig) { |
| 1450 | /* Restore AIF TX/RX state */ |
| 1451 | regmap_update_bits_async(arizona->regmap, |
| 1452 | base + ARIZONA_AIF_TX_ENABLES, |
| 1453 | 0xff, aif_tx_state); |
| 1454 | regmap_update_bits(arizona->regmap, |
| 1455 | base + ARIZONA_AIF_RX_ENABLES, |
| 1456 | 0xff, aif_rx_state); |
| 1457 | } |
| 1458 | return ret; |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 1459 | } |
| 1460 | |
Mark Brown | 410837a | 2012-07-05 17:26:59 +0100 | [diff] [blame] | 1461 | static const char *arizona_dai_clk_str(int clk_id) |
| 1462 | { |
| 1463 | switch (clk_id) { |
| 1464 | case ARIZONA_CLK_SYSCLK: |
| 1465 | return "SYSCLK"; |
| 1466 | case ARIZONA_CLK_ASYNCCLK: |
| 1467 | return "ASYNCCLK"; |
| 1468 | default: |
| 1469 | return "Unknown clock"; |
| 1470 | } |
| 1471 | } |
| 1472 | |
Mark Brown | 5b2eec3 | 2012-07-04 17:32:05 +0100 | [diff] [blame] | 1473 | static int arizona_dai_set_sysclk(struct snd_soc_dai *dai, |
| 1474 | int clk_id, unsigned int freq, int dir) |
| 1475 | { |
| 1476 | struct snd_soc_codec *codec = dai->codec; |
| 1477 | struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec); |
| 1478 | struct arizona_dai_priv *dai_priv = &priv->dai[dai->id - 1]; |
Mark Brown | 410837a | 2012-07-05 17:26:59 +0100 | [diff] [blame] | 1479 | struct snd_soc_dapm_route routes[2]; |
Mark Brown | 5b2eec3 | 2012-07-04 17:32:05 +0100 | [diff] [blame] | 1480 | |
| 1481 | switch (clk_id) { |
| 1482 | case ARIZONA_CLK_SYSCLK: |
| 1483 | case ARIZONA_CLK_ASYNCCLK: |
| 1484 | break; |
| 1485 | default: |
| 1486 | return -EINVAL; |
| 1487 | } |
| 1488 | |
Mark Brown | 410837a | 2012-07-05 17:26:59 +0100 | [diff] [blame] | 1489 | if (clk_id == dai_priv->clk) |
| 1490 | return 0; |
| 1491 | |
| 1492 | if (dai->active) { |
Mark Brown | 5b2eec3 | 2012-07-04 17:32:05 +0100 | [diff] [blame] | 1493 | dev_err(codec->dev, "Can't change clock on active DAI %d\n", |
| 1494 | dai->id); |
| 1495 | return -EBUSY; |
| 1496 | } |
| 1497 | |
Mark Brown | c8d35a6 | 2012-12-07 12:49:40 +0900 | [diff] [blame] | 1498 | dev_dbg(codec->dev, "Setting AIF%d to %s\n", dai->id + 1, |
| 1499 | arizona_dai_clk_str(clk_id)); |
| 1500 | |
Mark Brown | 410837a | 2012-07-05 17:26:59 +0100 | [diff] [blame] | 1501 | memset(&routes, 0, sizeof(routes)); |
| 1502 | routes[0].sink = dai->driver->capture.stream_name; |
| 1503 | routes[1].sink = dai->driver->playback.stream_name; |
Mark Brown | 5b2eec3 | 2012-07-04 17:32:05 +0100 | [diff] [blame] | 1504 | |
Mark Brown | 410837a | 2012-07-05 17:26:59 +0100 | [diff] [blame] | 1505 | routes[0].source = arizona_dai_clk_str(dai_priv->clk); |
| 1506 | routes[1].source = arizona_dai_clk_str(dai_priv->clk); |
| 1507 | snd_soc_dapm_del_routes(&codec->dapm, routes, ARRAY_SIZE(routes)); |
| 1508 | |
| 1509 | routes[0].source = arizona_dai_clk_str(clk_id); |
| 1510 | routes[1].source = arizona_dai_clk_str(clk_id); |
| 1511 | snd_soc_dapm_add_routes(&codec->dapm, routes, ARRAY_SIZE(routes)); |
| 1512 | |
Mark Brown | 0c778e8 | 2012-12-06 18:22:25 +0900 | [diff] [blame] | 1513 | dai_priv->clk = clk_id; |
| 1514 | |
Mark Brown | 410837a | 2012-07-05 17:26:59 +0100 | [diff] [blame] | 1515 | return snd_soc_dapm_sync(&codec->dapm); |
Mark Brown | 5b2eec3 | 2012-07-04 17:32:05 +0100 | [diff] [blame] | 1516 | } |
| 1517 | |
Mark Brown | 01df259 | 2012-12-12 16:22:08 +0900 | [diff] [blame] | 1518 | static int arizona_set_tristate(struct snd_soc_dai *dai, int tristate) |
| 1519 | { |
| 1520 | struct snd_soc_codec *codec = dai->codec; |
| 1521 | int base = dai->driver->base; |
| 1522 | unsigned int reg; |
| 1523 | |
| 1524 | if (tristate) |
| 1525 | reg = ARIZONA_AIF1_TRI; |
| 1526 | else |
| 1527 | reg = 0; |
| 1528 | |
| 1529 | return snd_soc_update_bits(codec, base + ARIZONA_AIF_RATE_CTRL, |
| 1530 | ARIZONA_AIF1_TRI, reg); |
| 1531 | } |
| 1532 | |
Charles Keepax | ed70f3a | 2014-06-04 10:11:06 +0100 | [diff] [blame] | 1533 | static void arizona_set_channels_to_mask(struct snd_soc_dai *dai, |
| 1534 | unsigned int base, |
| 1535 | int channels, unsigned int mask) |
| 1536 | { |
| 1537 | struct snd_soc_codec *codec = dai->codec; |
| 1538 | struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec); |
| 1539 | struct arizona *arizona = priv->arizona; |
| 1540 | int slot, i; |
| 1541 | |
| 1542 | for (i = 0; i < channels; ++i) { |
| 1543 | slot = ffs(mask) - 1; |
| 1544 | if (slot < 0) |
| 1545 | return; |
| 1546 | |
| 1547 | regmap_write(arizona->regmap, base + i, slot); |
| 1548 | |
| 1549 | mask &= ~(1 << slot); |
| 1550 | } |
| 1551 | |
| 1552 | if (mask) |
| 1553 | arizona_aif_warn(dai, "Too many channels in TDM mask\n"); |
| 1554 | } |
| 1555 | |
| 1556 | static int arizona_set_tdm_slot(struct snd_soc_dai *dai, unsigned int tx_mask, |
| 1557 | unsigned int rx_mask, int slots, int slot_width) |
| 1558 | { |
| 1559 | struct snd_soc_codec *codec = dai->codec; |
| 1560 | struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec); |
| 1561 | struct arizona *arizona = priv->arizona; |
| 1562 | int base = dai->driver->base; |
| 1563 | int rx_max_chan = dai->driver->playback.channels_max; |
| 1564 | int tx_max_chan = dai->driver->capture.channels_max; |
| 1565 | |
| 1566 | /* Only support TDM for the physical AIFs */ |
| 1567 | if (dai->id > ARIZONA_MAX_AIF) |
| 1568 | return -ENOTSUPP; |
| 1569 | |
| 1570 | if (slots == 0) { |
| 1571 | tx_mask = (1 << tx_max_chan) - 1; |
| 1572 | rx_mask = (1 << rx_max_chan) - 1; |
| 1573 | } |
| 1574 | |
| 1575 | arizona_set_channels_to_mask(dai, base + ARIZONA_AIF_FRAME_CTRL_3, |
| 1576 | tx_max_chan, tx_mask); |
| 1577 | arizona_set_channels_to_mask(dai, base + ARIZONA_AIF_FRAME_CTRL_11, |
| 1578 | rx_max_chan, rx_mask); |
| 1579 | |
| 1580 | arizona->tdm_width[dai->id - 1] = slot_width; |
| 1581 | arizona->tdm_slots[dai->id - 1] = slots; |
| 1582 | |
| 1583 | return 0; |
| 1584 | } |
| 1585 | |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 1586 | const struct snd_soc_dai_ops arizona_dai_ops = { |
Mark Brown | 5b2eec3 | 2012-07-04 17:32:05 +0100 | [diff] [blame] | 1587 | .startup = arizona_startup, |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 1588 | .set_fmt = arizona_set_fmt, |
Charles Keepax | ed70f3a | 2014-06-04 10:11:06 +0100 | [diff] [blame] | 1589 | .set_tdm_slot = arizona_set_tdm_slot, |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 1590 | .hw_params = arizona_hw_params, |
Mark Brown | 5b2eec3 | 2012-07-04 17:32:05 +0100 | [diff] [blame] | 1591 | .set_sysclk = arizona_dai_set_sysclk, |
Mark Brown | 01df259 | 2012-12-12 16:22:08 +0900 | [diff] [blame] | 1592 | .set_tristate = arizona_set_tristate, |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 1593 | }; |
Mark Brown | a837987 | 2012-07-09 12:16:41 +0100 | [diff] [blame] | 1594 | EXPORT_SYMBOL_GPL(arizona_dai_ops); |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 1595 | |
Mark Brown | bd1dd88 | 2013-05-17 13:29:03 +0100 | [diff] [blame] | 1596 | const struct snd_soc_dai_ops arizona_simple_dai_ops = { |
| 1597 | .startup = arizona_startup, |
| 1598 | .hw_params = arizona_hw_params_rate, |
| 1599 | .set_sysclk = arizona_dai_set_sysclk, |
| 1600 | }; |
| 1601 | EXPORT_SYMBOL_GPL(arizona_simple_dai_ops); |
| 1602 | |
Mark Brown | 5b2eec3 | 2012-07-04 17:32:05 +0100 | [diff] [blame] | 1603 | int arizona_init_dai(struct arizona_priv *priv, int id) |
| 1604 | { |
| 1605 | struct arizona_dai_priv *dai_priv = &priv->dai[id]; |
| 1606 | |
| 1607 | dai_priv->clk = ARIZONA_CLK_SYSCLK; |
| 1608 | |
| 1609 | return 0; |
| 1610 | } |
| 1611 | EXPORT_SYMBOL_GPL(arizona_init_dai); |
| 1612 | |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 1613 | static irqreturn_t arizona_fll_clock_ok(int irq, void *data) |
| 1614 | { |
| 1615 | struct arizona_fll *fll = data; |
| 1616 | |
| 1617 | arizona_fll_dbg(fll, "clock OK\n"); |
| 1618 | |
| 1619 | complete(&fll->ok); |
| 1620 | |
| 1621 | return IRQ_HANDLED; |
| 1622 | } |
| 1623 | |
| 1624 | static struct { |
| 1625 | unsigned int min; |
| 1626 | unsigned int max; |
| 1627 | u16 fratio; |
| 1628 | int ratio; |
| 1629 | } fll_fratios[] = { |
| 1630 | { 0, 64000, 4, 16 }, |
| 1631 | { 64000, 128000, 3, 8 }, |
| 1632 | { 128000, 256000, 2, 4 }, |
| 1633 | { 256000, 1000000, 1, 2 }, |
| 1634 | { 1000000, 13500000, 0, 1 }, |
| 1635 | }; |
| 1636 | |
Mark Brown | 8f113d7 | 2013-03-05 12:08:57 +0800 | [diff] [blame] | 1637 | static struct { |
| 1638 | unsigned int min; |
| 1639 | unsigned int max; |
| 1640 | u16 gain; |
| 1641 | } fll_gains[] = { |
| 1642 | { 0, 256000, 0 }, |
| 1643 | { 256000, 1000000, 2 }, |
| 1644 | { 1000000, 13500000, 4 }, |
| 1645 | }; |
| 1646 | |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 1647 | struct arizona_fll_cfg { |
| 1648 | int n; |
| 1649 | int theta; |
| 1650 | int lambda; |
| 1651 | int refdiv; |
| 1652 | int outdiv; |
| 1653 | int fratio; |
Mark Brown | 8f113d7 | 2013-03-05 12:08:57 +0800 | [diff] [blame] | 1654 | int gain; |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 1655 | }; |
| 1656 | |
Charles Keepax | 23f785a8 | 2014-03-07 16:34:20 +0000 | [diff] [blame] | 1657 | static int arizona_validate_fll(struct arizona_fll *fll, |
| 1658 | unsigned int Fref, |
| 1659 | unsigned int Fout) |
| 1660 | { |
| 1661 | unsigned int Fvco_min; |
| 1662 | |
Charles Keepax | c8badda | 2014-07-09 17:41:49 +0100 | [diff] [blame] | 1663 | if (fll->fout && Fout != fll->fout) { |
| 1664 | arizona_fll_err(fll, |
| 1665 | "Can't change output on active FLL\n"); |
| 1666 | return -EINVAL; |
| 1667 | } |
| 1668 | |
Charles Keepax | 23f785a8 | 2014-03-07 16:34:20 +0000 | [diff] [blame] | 1669 | if (Fref / ARIZONA_FLL_MAX_REFDIV > ARIZONA_FLL_MAX_FREF) { |
| 1670 | arizona_fll_err(fll, |
| 1671 | "Can't scale %dMHz in to <=13.5MHz\n", |
| 1672 | Fref); |
| 1673 | return -EINVAL; |
| 1674 | } |
| 1675 | |
| 1676 | Fvco_min = ARIZONA_FLL_MIN_FVCO * fll->vco_mult; |
| 1677 | if (Fout * ARIZONA_FLL_MAX_OUTDIV < Fvco_min) { |
| 1678 | arizona_fll_err(fll, "No FLL_OUTDIV for Fout=%uHz\n", |
| 1679 | Fout); |
| 1680 | return -EINVAL; |
| 1681 | } |
| 1682 | |
| 1683 | return 0; |
| 1684 | } |
| 1685 | |
Charles Keepax | d080034 | 2014-03-07 16:34:25 +0000 | [diff] [blame] | 1686 | static int arizona_find_fratio(unsigned int Fref, int *fratio) |
| 1687 | { |
| 1688 | int i; |
| 1689 | |
| 1690 | /* Find an appropriate FLL_FRATIO */ |
| 1691 | for (i = 0; i < ARRAY_SIZE(fll_fratios); i++) { |
| 1692 | if (fll_fratios[i].min <= Fref && Fref <= fll_fratios[i].max) { |
| 1693 | if (fratio) |
| 1694 | *fratio = fll_fratios[i].fratio; |
| 1695 | return fll_fratios[i].ratio; |
| 1696 | } |
| 1697 | } |
| 1698 | |
| 1699 | return -EINVAL; |
| 1700 | } |
| 1701 | |
| 1702 | static int arizona_calc_fratio(struct arizona_fll *fll, |
| 1703 | struct arizona_fll_cfg *cfg, |
| 1704 | unsigned int target, |
| 1705 | unsigned int Fref, bool sync) |
| 1706 | { |
| 1707 | int init_ratio, ratio; |
| 1708 | int refdiv, div; |
| 1709 | |
| 1710 | /* Fref must be <=13.5MHz, find initial refdiv */ |
| 1711 | div = 1; |
| 1712 | cfg->refdiv = 0; |
| 1713 | while (Fref > ARIZONA_FLL_MAX_FREF) { |
| 1714 | div *= 2; |
| 1715 | Fref /= 2; |
| 1716 | cfg->refdiv++; |
| 1717 | |
| 1718 | if (div > ARIZONA_FLL_MAX_REFDIV) |
| 1719 | return -EINVAL; |
| 1720 | } |
| 1721 | |
| 1722 | /* Find an appropriate FLL_FRATIO */ |
| 1723 | init_ratio = arizona_find_fratio(Fref, &cfg->fratio); |
| 1724 | if (init_ratio < 0) { |
| 1725 | arizona_fll_err(fll, "Unable to find FRATIO for Fref=%uHz\n", |
| 1726 | Fref); |
| 1727 | return init_ratio; |
| 1728 | } |
| 1729 | |
| 1730 | switch (fll->arizona->type) { |
| 1731 | case WM5110: |
| 1732 | if (fll->arizona->rev < 3 || sync) |
| 1733 | return init_ratio; |
| 1734 | break; |
| 1735 | default: |
| 1736 | return init_ratio; |
| 1737 | } |
| 1738 | |
| 1739 | cfg->fratio = init_ratio - 1; |
| 1740 | |
| 1741 | /* Adjust FRATIO/refdiv to avoid integer mode if possible */ |
| 1742 | refdiv = cfg->refdiv; |
| 1743 | |
| 1744 | while (div <= ARIZONA_FLL_MAX_REFDIV) { |
| 1745 | for (ratio = init_ratio; ratio <= ARIZONA_FLL_MAX_FRATIO; |
| 1746 | ratio++) { |
Charles Keepax | 35a730a | 2014-07-09 17:41:45 +0100 | [diff] [blame] | 1747 | if ((ARIZONA_FLL_VCO_CORNER / 2) / |
| 1748 | (fll->vco_mult * ratio) < Fref) |
Charles Keepax | 29fee82 | 2014-07-09 17:41:44 +0100 | [diff] [blame] | 1749 | break; |
| 1750 | |
Charles Keepax | d080034 | 2014-03-07 16:34:25 +0000 | [diff] [blame] | 1751 | if (target % (ratio * Fref)) { |
| 1752 | cfg->refdiv = refdiv; |
| 1753 | cfg->fratio = ratio - 1; |
| 1754 | return ratio; |
| 1755 | } |
| 1756 | } |
| 1757 | |
Charles Keepax | 4714bc0 | 2014-07-09 17:41:43 +0100 | [diff] [blame] | 1758 | for (ratio = init_ratio - 1; ratio > 0; ratio--) { |
Charles Keepax | d080034 | 2014-03-07 16:34:25 +0000 | [diff] [blame] | 1759 | if (target % (ratio * Fref)) { |
| 1760 | cfg->refdiv = refdiv; |
| 1761 | cfg->fratio = ratio - 1; |
| 1762 | return ratio; |
| 1763 | } |
| 1764 | } |
| 1765 | |
| 1766 | div *= 2; |
| 1767 | Fref /= 2; |
| 1768 | refdiv++; |
| 1769 | init_ratio = arizona_find_fratio(Fref, NULL); |
| 1770 | } |
| 1771 | |
| 1772 | arizona_fll_warn(fll, "Falling back to integer mode operation\n"); |
| 1773 | return cfg->fratio + 1; |
| 1774 | } |
| 1775 | |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 1776 | static int arizona_calc_fll(struct arizona_fll *fll, |
| 1777 | struct arizona_fll_cfg *cfg, |
Charles Keepax | d080034 | 2014-03-07 16:34:25 +0000 | [diff] [blame] | 1778 | unsigned int Fref, bool sync) |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 1779 | { |
| 1780 | unsigned int target, div, gcd_fll; |
| 1781 | int i, ratio; |
| 1782 | |
Charles Keepax | 8ccefcd | 2014-03-07 16:34:21 +0000 | [diff] [blame] | 1783 | arizona_fll_dbg(fll, "Fref=%u Fout=%u\n", Fref, fll->fout); |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 1784 | |
Mark Brown | 2b4d39f | 2012-07-10 17:03:46 +0100 | [diff] [blame] | 1785 | /* Fvco should be over the targt; don't check the upper bound */ |
Charles Keepax | f641aec | 2014-03-07 16:34:22 +0000 | [diff] [blame] | 1786 | div = ARIZONA_FLL_MIN_OUTDIV; |
| 1787 | while (fll->fout * div < ARIZONA_FLL_MIN_FVCO * fll->vco_mult) { |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 1788 | div++; |
Charles Keepax | f641aec | 2014-03-07 16:34:22 +0000 | [diff] [blame] | 1789 | if (div > ARIZONA_FLL_MAX_OUTDIV) |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 1790 | return -EINVAL; |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 1791 | } |
Charles Keepax | f641aec | 2014-03-07 16:34:22 +0000 | [diff] [blame] | 1792 | target = fll->fout * div / fll->vco_mult; |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 1793 | cfg->outdiv = div; |
| 1794 | |
| 1795 | arizona_fll_dbg(fll, "Fvco=%dHz\n", target); |
| 1796 | |
Charles Keepax | d080034 | 2014-03-07 16:34:25 +0000 | [diff] [blame] | 1797 | /* Find an appropriate FLL_FRATIO and refdiv */ |
| 1798 | ratio = arizona_calc_fratio(fll, cfg, target, Fref, sync); |
| 1799 | if (ratio < 0) |
| 1800 | return ratio; |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 1801 | |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 1802 | /* Apply the division for our remaining calculations */ |
Charles Keepax | d080034 | 2014-03-07 16:34:25 +0000 | [diff] [blame] | 1803 | Fref = Fref / (1 << cfg->refdiv); |
Mark Brown | 8f113d7 | 2013-03-05 12:08:57 +0800 | [diff] [blame] | 1804 | |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 1805 | cfg->n = target / (ratio * Fref); |
| 1806 | |
Ryo Tsutsui | 01f5815 | 2013-02-03 17:18:00 +0900 | [diff] [blame] | 1807 | if (target % (ratio * Fref)) { |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 1808 | gcd_fll = gcd(target, ratio * Fref); |
| 1809 | arizona_fll_dbg(fll, "GCD=%u\n", gcd_fll); |
| 1810 | |
| 1811 | cfg->theta = (target - (cfg->n * ratio * Fref)) |
| 1812 | / gcd_fll; |
| 1813 | cfg->lambda = (ratio * Fref) / gcd_fll; |
| 1814 | } else { |
| 1815 | cfg->theta = 0; |
| 1816 | cfg->lambda = 0; |
| 1817 | } |
| 1818 | |
Ryo Tsutsui | 01f5815 | 2013-02-03 17:18:00 +0900 | [diff] [blame] | 1819 | /* Round down to 16bit range with cost of accuracy lost. |
| 1820 | * Denominator must be bigger than numerator so we only |
| 1821 | * take care of it. |
| 1822 | */ |
| 1823 | while (cfg->lambda >= (1 << 16)) { |
| 1824 | cfg->theta >>= 1; |
| 1825 | cfg->lambda >>= 1; |
| 1826 | } |
| 1827 | |
Charles Keepax | 5a3935c | 2014-03-07 16:34:23 +0000 | [diff] [blame] | 1828 | for (i = 0; i < ARRAY_SIZE(fll_gains); i++) { |
| 1829 | if (fll_gains[i].min <= Fref && Fref <= fll_gains[i].max) { |
| 1830 | cfg->gain = fll_gains[i].gain; |
| 1831 | break; |
| 1832 | } |
| 1833 | } |
| 1834 | if (i == ARRAY_SIZE(fll_gains)) { |
| 1835 | arizona_fll_err(fll, "Unable to find gain for Fref=%uHz\n", |
| 1836 | Fref); |
| 1837 | return -EINVAL; |
| 1838 | } |
| 1839 | |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 1840 | arizona_fll_dbg(fll, "N=%x THETA=%x LAMBDA=%x\n", |
| 1841 | cfg->n, cfg->theta, cfg->lambda); |
| 1842 | arizona_fll_dbg(fll, "FRATIO=%x(%d) OUTDIV=%x REFCLK_DIV=%x\n", |
| 1843 | cfg->fratio, cfg->fratio, cfg->outdiv, cfg->refdiv); |
Mark Brown | 8f113d7 | 2013-03-05 12:08:57 +0800 | [diff] [blame] | 1844 | arizona_fll_dbg(fll, "GAIN=%d\n", cfg->gain); |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 1845 | |
| 1846 | return 0; |
| 1847 | |
| 1848 | } |
| 1849 | |
| 1850 | static void arizona_apply_fll(struct arizona *arizona, unsigned int base, |
Mark Brown | 8f113d7 | 2013-03-05 12:08:57 +0800 | [diff] [blame] | 1851 | struct arizona_fll_cfg *cfg, int source, |
| 1852 | bool sync) |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 1853 | { |
Mark Brown | 3c43c69 | 2013-12-12 00:49:22 +0000 | [diff] [blame] | 1854 | regmap_update_bits_async(arizona->regmap, base + 3, |
| 1855 | ARIZONA_FLL1_THETA_MASK, cfg->theta); |
| 1856 | regmap_update_bits_async(arizona->regmap, base + 4, |
| 1857 | ARIZONA_FLL1_LAMBDA_MASK, cfg->lambda); |
| 1858 | regmap_update_bits_async(arizona->regmap, base + 5, |
| 1859 | ARIZONA_FLL1_FRATIO_MASK, |
| 1860 | cfg->fratio << ARIZONA_FLL1_FRATIO_SHIFT); |
| 1861 | regmap_update_bits_async(arizona->regmap, base + 6, |
| 1862 | ARIZONA_FLL1_CLK_REF_DIV_MASK | |
| 1863 | ARIZONA_FLL1_CLK_REF_SRC_MASK, |
| 1864 | cfg->refdiv << ARIZONA_FLL1_CLK_REF_DIV_SHIFT | |
| 1865 | source << ARIZONA_FLL1_CLK_REF_SRC_SHIFT); |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 1866 | |
Charles Keepax | 61719db | 2014-03-07 16:34:19 +0000 | [diff] [blame] | 1867 | if (sync) { |
| 1868 | regmap_update_bits(arizona->regmap, base + 0x7, |
| 1869 | ARIZONA_FLL1_GAIN_MASK, |
| 1870 | cfg->gain << ARIZONA_FLL1_GAIN_SHIFT); |
| 1871 | } else { |
| 1872 | regmap_update_bits(arizona->regmap, base + 0x5, |
| 1873 | ARIZONA_FLL1_OUTDIV_MASK, |
| 1874 | cfg->outdiv << ARIZONA_FLL1_OUTDIV_SHIFT); |
| 1875 | regmap_update_bits(arizona->regmap, base + 0x9, |
| 1876 | ARIZONA_FLL1_GAIN_MASK, |
| 1877 | cfg->gain << ARIZONA_FLL1_GAIN_SHIFT); |
| 1878 | } |
Mark Brown | 8f113d7 | 2013-03-05 12:08:57 +0800 | [diff] [blame] | 1879 | |
Mark Brown | 3c43c69 | 2013-12-12 00:49:22 +0000 | [diff] [blame] | 1880 | regmap_update_bits_async(arizona->regmap, base + 2, |
| 1881 | ARIZONA_FLL1_CTRL_UPD | ARIZONA_FLL1_N_MASK, |
| 1882 | ARIZONA_FLL1_CTRL_UPD | cfg->n); |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 1883 | } |
| 1884 | |
Charles Keepax | c393aca | 2014-07-09 17:41:47 +0100 | [diff] [blame] | 1885 | static int arizona_is_enabled_fll(struct arizona_fll *fll) |
Charles Keepax | d122d6c | 2013-02-20 17:28:36 +0000 | [diff] [blame] | 1886 | { |
| 1887 | struct arizona *arizona = fll->arizona; |
| 1888 | unsigned int reg; |
| 1889 | int ret; |
| 1890 | |
| 1891 | ret = regmap_read(arizona->regmap, fll->base + 1, ®); |
| 1892 | if (ret != 0) { |
| 1893 | arizona_fll_err(fll, "Failed to read current state: %d\n", |
| 1894 | ret); |
| 1895 | return ret; |
| 1896 | } |
| 1897 | |
| 1898 | return reg & ARIZONA_FLL1_ENA; |
| 1899 | } |
| 1900 | |
Charles Keepax | c393aca | 2014-07-09 17:41:47 +0100 | [diff] [blame] | 1901 | static int arizona_enable_fll(struct arizona_fll *fll) |
Charles Keepax | 3572281 | 2013-02-20 17:28:38 +0000 | [diff] [blame] | 1902 | { |
| 1903 | struct arizona *arizona = fll->arizona; |
Nicholas Mc Guire | 17f4ad6 | 2015-03-08 09:16:49 -0400 | [diff] [blame^] | 1904 | unsigned long time_left; |
Charles Keepax | 49c6054 | 2013-09-16 15:34:35 +0100 | [diff] [blame] | 1905 | bool use_sync = false; |
Charles Keepax | c393aca | 2014-07-09 17:41:47 +0100 | [diff] [blame] | 1906 | int already_enabled = arizona_is_enabled_fll(fll); |
Charles Keepax | 23f785a8 | 2014-03-07 16:34:20 +0000 | [diff] [blame] | 1907 | struct arizona_fll_cfg cfg; |
Charles Keepax | 3572281 | 2013-02-20 17:28:38 +0000 | [diff] [blame] | 1908 | |
Charles Keepax | c393aca | 2014-07-09 17:41:47 +0100 | [diff] [blame] | 1909 | if (already_enabled < 0) |
| 1910 | return already_enabled; |
| 1911 | |
Charles Keepax | c8badda | 2014-07-09 17:41:49 +0100 | [diff] [blame] | 1912 | if (already_enabled) { |
| 1913 | /* Facilitate smooth refclk across the transition */ |
| 1914 | regmap_update_bits_async(fll->arizona->regmap, fll->base + 0x7, |
| 1915 | ARIZONA_FLL1_GAIN_MASK, 0); |
| 1916 | regmap_update_bits_async(fll->arizona->regmap, fll->base + 1, |
| 1917 | ARIZONA_FLL1_FREERUN, |
| 1918 | ARIZONA_FLL1_FREERUN); |
| 1919 | } |
| 1920 | |
Mark Brown | ff680a1 | 2013-03-04 16:00:19 +0800 | [diff] [blame] | 1921 | /* |
| 1922 | * If we have both REFCLK and SYNCCLK then enable both, |
| 1923 | * otherwise apply the SYNCCLK settings to REFCLK. |
| 1924 | */ |
Charles Keepax | 49c6054 | 2013-09-16 15:34:35 +0100 | [diff] [blame] | 1925 | if (fll->ref_src >= 0 && fll->ref_freq && |
| 1926 | fll->ref_src != fll->sync_src) { |
Charles Keepax | d080034 | 2014-03-07 16:34:25 +0000 | [diff] [blame] | 1927 | arizona_calc_fll(fll, &cfg, fll->ref_freq, false); |
Charles Keepax | 3572281 | 2013-02-20 17:28:38 +0000 | [diff] [blame] | 1928 | |
Charles Keepax | 23f785a8 | 2014-03-07 16:34:20 +0000 | [diff] [blame] | 1929 | arizona_apply_fll(arizona, fll->base, &cfg, fll->ref_src, |
Mark Brown | 8f113d7 | 2013-03-05 12:08:57 +0800 | [diff] [blame] | 1930 | false); |
Charles Keepax | 49c6054 | 2013-09-16 15:34:35 +0100 | [diff] [blame] | 1931 | if (fll->sync_src >= 0) { |
Charles Keepax | d080034 | 2014-03-07 16:34:25 +0000 | [diff] [blame] | 1932 | arizona_calc_fll(fll, &cfg, fll->sync_freq, true); |
Charles Keepax | 23f785a8 | 2014-03-07 16:34:20 +0000 | [diff] [blame] | 1933 | |
| 1934 | arizona_apply_fll(arizona, fll->base + 0x10, &cfg, |
Mark Brown | 8f113d7 | 2013-03-05 12:08:57 +0800 | [diff] [blame] | 1935 | fll->sync_src, true); |
Charles Keepax | 49c6054 | 2013-09-16 15:34:35 +0100 | [diff] [blame] | 1936 | use_sync = true; |
| 1937 | } |
Mark Brown | ff680a1 | 2013-03-04 16:00:19 +0800 | [diff] [blame] | 1938 | } else if (fll->sync_src >= 0) { |
Charles Keepax | d080034 | 2014-03-07 16:34:25 +0000 | [diff] [blame] | 1939 | arizona_calc_fll(fll, &cfg, fll->sync_freq, false); |
Mark Brown | ff680a1 | 2013-03-04 16:00:19 +0800 | [diff] [blame] | 1940 | |
Charles Keepax | 23f785a8 | 2014-03-07 16:34:20 +0000 | [diff] [blame] | 1941 | arizona_apply_fll(arizona, fll->base, &cfg, |
Mark Brown | 8f113d7 | 2013-03-05 12:08:57 +0800 | [diff] [blame] | 1942 | fll->sync_src, false); |
Mark Brown | eca2e8e | 2013-03-06 00:09:59 +0800 | [diff] [blame] | 1943 | |
Mark Brown | 3c43c69 | 2013-12-12 00:49:22 +0000 | [diff] [blame] | 1944 | regmap_update_bits_async(arizona->regmap, fll->base + 0x11, |
| 1945 | ARIZONA_FLL1_SYNC_ENA, 0); |
Mark Brown | ff680a1 | 2013-03-04 16:00:19 +0800 | [diff] [blame] | 1946 | } else { |
| 1947 | arizona_fll_err(fll, "No clocks provided\n"); |
Charles Keepax | c393aca | 2014-07-09 17:41:47 +0100 | [diff] [blame] | 1948 | return -EINVAL; |
Mark Brown | ff680a1 | 2013-03-04 16:00:19 +0800 | [diff] [blame] | 1949 | } |
Charles Keepax | 3572281 | 2013-02-20 17:28:38 +0000 | [diff] [blame] | 1950 | |
Mark Brown | 576411be | 2013-03-05 12:07:16 +0800 | [diff] [blame] | 1951 | /* |
| 1952 | * Increase the bandwidth if we're not using a low frequency |
| 1953 | * sync source. |
| 1954 | */ |
Charles Keepax | 49c6054 | 2013-09-16 15:34:35 +0100 | [diff] [blame] | 1955 | if (use_sync && fll->sync_freq > 100000) |
Mark Brown | 3c43c69 | 2013-12-12 00:49:22 +0000 | [diff] [blame] | 1956 | regmap_update_bits_async(arizona->regmap, fll->base + 0x17, |
| 1957 | ARIZONA_FLL1_SYNC_BW, 0); |
Mark Brown | 576411be | 2013-03-05 12:07:16 +0800 | [diff] [blame] | 1958 | else |
Mark Brown | 3c43c69 | 2013-12-12 00:49:22 +0000 | [diff] [blame] | 1959 | regmap_update_bits_async(arizona->regmap, fll->base + 0x17, |
| 1960 | ARIZONA_FLL1_SYNC_BW, |
| 1961 | ARIZONA_FLL1_SYNC_BW); |
Mark Brown | 576411be | 2013-03-05 12:07:16 +0800 | [diff] [blame] | 1962 | |
Charles Keepax | c393aca | 2014-07-09 17:41:47 +0100 | [diff] [blame] | 1963 | if (!already_enabled) |
Charles Keepax | 3572281 | 2013-02-20 17:28:38 +0000 | [diff] [blame] | 1964 | pm_runtime_get(arizona->dev); |
| 1965 | |
| 1966 | /* Clear any pending completions */ |
| 1967 | try_wait_for_completion(&fll->ok); |
| 1968 | |
Mark Brown | 3c43c69 | 2013-12-12 00:49:22 +0000 | [diff] [blame] | 1969 | regmap_update_bits_async(arizona->regmap, fll->base + 1, |
Mark Brown | 3c43c69 | 2013-12-12 00:49:22 +0000 | [diff] [blame] | 1970 | ARIZONA_FLL1_ENA, ARIZONA_FLL1_ENA); |
Charles Keepax | 49c6054 | 2013-09-16 15:34:35 +0100 | [diff] [blame] | 1971 | if (use_sync) |
Mark Brown | 3c43c69 | 2013-12-12 00:49:22 +0000 | [diff] [blame] | 1972 | regmap_update_bits_async(arizona->regmap, fll->base + 0x11, |
| 1973 | ARIZONA_FLL1_SYNC_ENA, |
| 1974 | ARIZONA_FLL1_SYNC_ENA); |
Charles Keepax | 3572281 | 2013-02-20 17:28:38 +0000 | [diff] [blame] | 1975 | |
Charles Keepax | c8badda | 2014-07-09 17:41:49 +0100 | [diff] [blame] | 1976 | if (already_enabled) |
| 1977 | regmap_update_bits_async(arizona->regmap, fll->base + 1, |
| 1978 | ARIZONA_FLL1_FREERUN, 0); |
| 1979 | |
Nicholas Mc Guire | 17f4ad6 | 2015-03-08 09:16:49 -0400 | [diff] [blame^] | 1980 | time_left = wait_for_completion_timeout(&fll->ok, |
Charles Keepax | 3572281 | 2013-02-20 17:28:38 +0000 | [diff] [blame] | 1981 | msecs_to_jiffies(250)); |
Nicholas Mc Guire | 17f4ad6 | 2015-03-08 09:16:49 -0400 | [diff] [blame^] | 1982 | if (time_left == 0) |
Charles Keepax | 3572281 | 2013-02-20 17:28:38 +0000 | [diff] [blame] | 1983 | arizona_fll_warn(fll, "Timed out waiting for lock\n"); |
Charles Keepax | c393aca | 2014-07-09 17:41:47 +0100 | [diff] [blame] | 1984 | |
| 1985 | return 0; |
Charles Keepax | 3572281 | 2013-02-20 17:28:38 +0000 | [diff] [blame] | 1986 | } |
| 1987 | |
Charles Keepax | 7604054 | 2013-02-20 17:28:37 +0000 | [diff] [blame] | 1988 | static void arizona_disable_fll(struct arizona_fll *fll) |
| 1989 | { |
| 1990 | struct arizona *arizona = fll->arizona; |
| 1991 | bool change; |
| 1992 | |
Mark Brown | 3c43c69 | 2013-12-12 00:49:22 +0000 | [diff] [blame] | 1993 | regmap_update_bits_async(arizona->regmap, fll->base + 1, |
| 1994 | ARIZONA_FLL1_FREERUN, ARIZONA_FLL1_FREERUN); |
Charles Keepax | 7604054 | 2013-02-20 17:28:37 +0000 | [diff] [blame] | 1995 | regmap_update_bits_check(arizona->regmap, fll->base + 1, |
| 1996 | ARIZONA_FLL1_ENA, 0, &change); |
| 1997 | regmap_update_bits(arizona->regmap, fll->base + 0x11, |
| 1998 | ARIZONA_FLL1_SYNC_ENA, 0); |
Charles Keepax | 5e39a50 | 2014-07-09 17:41:48 +0100 | [diff] [blame] | 1999 | regmap_update_bits_async(arizona->regmap, fll->base + 1, |
| 2000 | ARIZONA_FLL1_FREERUN, 0); |
Charles Keepax | 7604054 | 2013-02-20 17:28:37 +0000 | [diff] [blame] | 2001 | |
| 2002 | if (change) |
| 2003 | pm_runtime_put_autosuspend(arizona->dev); |
| 2004 | } |
| 2005 | |
Charles Keepax | ee929a9 | 2013-02-20 17:28:40 +0000 | [diff] [blame] | 2006 | int arizona_set_fll_refclk(struct arizona_fll *fll, int source, |
| 2007 | unsigned int Fref, unsigned int Fout) |
| 2008 | { |
Charles Keepax | c393aca | 2014-07-09 17:41:47 +0100 | [diff] [blame] | 2009 | int ret = 0; |
Charles Keepax | ee929a9 | 2013-02-20 17:28:40 +0000 | [diff] [blame] | 2010 | |
Charles Keepax | 1c5617f | 2013-02-22 17:10:37 +0000 | [diff] [blame] | 2011 | if (fll->ref_src == source && fll->ref_freq == Fref) |
Charles Keepax | ee929a9 | 2013-02-20 17:28:40 +0000 | [diff] [blame] | 2012 | return 0; |
| 2013 | |
Charles Keepax | 23f785a8 | 2014-03-07 16:34:20 +0000 | [diff] [blame] | 2014 | if (fll->fout && Fref > 0) { |
| 2015 | ret = arizona_validate_fll(fll, Fref, fll->fout); |
| 2016 | if (ret != 0) |
| 2017 | return ret; |
Charles Keepax | ee929a9 | 2013-02-20 17:28:40 +0000 | [diff] [blame] | 2018 | } |
| 2019 | |
| 2020 | fll->ref_src = source; |
| 2021 | fll->ref_freq = Fref; |
Charles Keepax | ee929a9 | 2013-02-20 17:28:40 +0000 | [diff] [blame] | 2022 | |
Mark Brown | 86cd684 | 2013-03-07 16:14:04 +0800 | [diff] [blame] | 2023 | if (fll->fout && Fref > 0) { |
Charles Keepax | c393aca | 2014-07-09 17:41:47 +0100 | [diff] [blame] | 2024 | ret = arizona_enable_fll(fll); |
Charles Keepax | ee929a9 | 2013-02-20 17:28:40 +0000 | [diff] [blame] | 2025 | } |
| 2026 | |
Charles Keepax | c393aca | 2014-07-09 17:41:47 +0100 | [diff] [blame] | 2027 | return ret; |
Charles Keepax | ee929a9 | 2013-02-20 17:28:40 +0000 | [diff] [blame] | 2028 | } |
| 2029 | EXPORT_SYMBOL_GPL(arizona_set_fll_refclk); |
| 2030 | |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 2031 | int arizona_set_fll(struct arizona_fll *fll, int source, |
| 2032 | unsigned int Fref, unsigned int Fout) |
| 2033 | { |
Charles Keepax | c393aca | 2014-07-09 17:41:47 +0100 | [diff] [blame] | 2034 | int ret = 0; |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 2035 | |
Mark Brown | ff680a1 | 2013-03-04 16:00:19 +0800 | [diff] [blame] | 2036 | if (fll->sync_src == source && |
| 2037 | fll->sync_freq == Fref && fll->fout == Fout) |
| 2038 | return 0; |
Charles Keepax | de1e6ee | 2013-02-20 17:28:39 +0000 | [diff] [blame] | 2039 | |
Mark Brown | ff680a1 | 2013-03-04 16:00:19 +0800 | [diff] [blame] | 2040 | if (Fout) { |
| 2041 | if (fll->ref_src >= 0) { |
Charles Keepax | 23f785a8 | 2014-03-07 16:34:20 +0000 | [diff] [blame] | 2042 | ret = arizona_validate_fll(fll, fll->ref_freq, Fout); |
Charles Keepax | 9e359c6 | 2013-02-20 17:28:35 +0000 | [diff] [blame] | 2043 | if (ret != 0) |
| 2044 | return ret; |
| 2045 | } |
| 2046 | |
Charles Keepax | 23f785a8 | 2014-03-07 16:34:20 +0000 | [diff] [blame] | 2047 | ret = arizona_validate_fll(fll, Fref, Fout); |
Mark Brown | ff680a1 | 2013-03-04 16:00:19 +0800 | [diff] [blame] | 2048 | if (ret != 0) |
| 2049 | return ret; |
Charles Keepax | 9e359c6 | 2013-02-20 17:28:35 +0000 | [diff] [blame] | 2050 | } |
Mark Brown | ff680a1 | 2013-03-04 16:00:19 +0800 | [diff] [blame] | 2051 | |
| 2052 | fll->sync_src = source; |
| 2053 | fll->sync_freq = Fref; |
Charles Keepax | de1e6ee | 2013-02-20 17:28:39 +0000 | [diff] [blame] | 2054 | fll->fout = Fout; |
Charles Keepax | 9e359c6 | 2013-02-20 17:28:35 +0000 | [diff] [blame] | 2055 | |
Charles Keepax | 613124c | 2014-07-09 17:41:46 +0100 | [diff] [blame] | 2056 | if (Fout) |
Charles Keepax | c393aca | 2014-07-09 17:41:47 +0100 | [diff] [blame] | 2057 | ret = arizona_enable_fll(fll); |
Charles Keepax | 613124c | 2014-07-09 17:41:46 +0100 | [diff] [blame] | 2058 | else |
Charles Keepax | 7604054 | 2013-02-20 17:28:37 +0000 | [diff] [blame] | 2059 | arizona_disable_fll(fll); |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 2060 | |
Charles Keepax | c393aca | 2014-07-09 17:41:47 +0100 | [diff] [blame] | 2061 | return ret; |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 2062 | } |
| 2063 | EXPORT_SYMBOL_GPL(arizona_set_fll); |
| 2064 | |
| 2065 | int arizona_init_fll(struct arizona *arizona, int id, int base, int lock_irq, |
| 2066 | int ok_irq, struct arizona_fll *fll) |
| 2067 | { |
| 2068 | int ret; |
Charles Keepax | 19b34bd | 2013-02-20 17:28:34 +0000 | [diff] [blame] | 2069 | unsigned int val; |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 2070 | |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 2071 | init_completion(&fll->ok); |
| 2072 | |
| 2073 | fll->id = id; |
| 2074 | fll->base = base; |
| 2075 | fll->arizona = arizona; |
Charles Keepax | f3f1163 | 2013-02-20 17:28:41 +0000 | [diff] [blame] | 2076 | fll->sync_src = ARIZONA_FLL_SRC_NONE; |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 2077 | |
Charles Keepax | 19b34bd | 2013-02-20 17:28:34 +0000 | [diff] [blame] | 2078 | /* Configure default refclk to 32kHz if we have one */ |
| 2079 | regmap_read(arizona->regmap, ARIZONA_CLOCK_32K_1, &val); |
| 2080 | switch (val & ARIZONA_CLK_32K_SRC_MASK) { |
| 2081 | case ARIZONA_CLK_SRC_MCLK1: |
| 2082 | case ARIZONA_CLK_SRC_MCLK2: |
| 2083 | fll->ref_src = val & ARIZONA_CLK_32K_SRC_MASK; |
| 2084 | break; |
| 2085 | default: |
Charles Keepax | f3f1163 | 2013-02-20 17:28:41 +0000 | [diff] [blame] | 2086 | fll->ref_src = ARIZONA_FLL_SRC_NONE; |
Charles Keepax | 19b34bd | 2013-02-20 17:28:34 +0000 | [diff] [blame] | 2087 | } |
| 2088 | fll->ref_freq = 32768; |
| 2089 | |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 2090 | snprintf(fll->lock_name, sizeof(fll->lock_name), "FLL%d lock", id); |
| 2091 | snprintf(fll->clock_ok_name, sizeof(fll->clock_ok_name), |
| 2092 | "FLL%d clock OK", id); |
| 2093 | |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 2094 | ret = arizona_request_irq(arizona, ok_irq, fll->clock_ok_name, |
| 2095 | arizona_fll_clock_ok, fll); |
| 2096 | if (ret != 0) { |
| 2097 | dev_err(arizona->dev, "Failed to get FLL%d clock OK IRQ: %d\n", |
| 2098 | id, ret); |
| 2099 | } |
| 2100 | |
Charles Keepax | e31c194 | 2013-01-07 16:41:45 +0000 | [diff] [blame] | 2101 | regmap_update_bits(arizona->regmap, fll->base + 1, |
| 2102 | ARIZONA_FLL1_FREERUN, 0); |
| 2103 | |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 2104 | return 0; |
| 2105 | } |
| 2106 | EXPORT_SYMBOL_GPL(arizona_init_fll); |
| 2107 | |
Mark Brown | bc9ab6d | 2013-01-04 19:31:00 +0000 | [diff] [blame] | 2108 | /** |
| 2109 | * arizona_set_output_mode - Set the mode of the specified output |
| 2110 | * |
| 2111 | * @codec: Device to configure |
| 2112 | * @output: Output number |
| 2113 | * @diff: True to set the output to differential mode |
| 2114 | * |
| 2115 | * Some systems use external analogue switches to connect more |
| 2116 | * analogue devices to the CODEC than are supported by the device. In |
| 2117 | * some systems this requires changing the switched output from single |
| 2118 | * ended to differential mode dynamically at runtime, an operation |
| 2119 | * supported using this function. |
| 2120 | * |
| 2121 | * Most systems have a single static configuration and should use |
| 2122 | * platform data instead. |
| 2123 | */ |
| 2124 | int arizona_set_output_mode(struct snd_soc_codec *codec, int output, bool diff) |
| 2125 | { |
| 2126 | unsigned int reg, val; |
| 2127 | |
| 2128 | if (output < 1 || output > 6) |
| 2129 | return -EINVAL; |
| 2130 | |
| 2131 | reg = ARIZONA_OUTPUT_PATH_CONFIG_1L + (output - 1) * 8; |
| 2132 | |
| 2133 | if (diff) |
| 2134 | val = ARIZONA_OUT1_MONO; |
| 2135 | else |
| 2136 | val = 0; |
| 2137 | |
| 2138 | return snd_soc_update_bits(codec, reg, ARIZONA_OUT1_MONO, val); |
| 2139 | } |
| 2140 | EXPORT_SYMBOL_GPL(arizona_set_output_mode); |
| 2141 | |
Mark Brown | 07ed873 | 2012-06-18 21:08:44 +0100 | [diff] [blame] | 2142 | MODULE_DESCRIPTION("ASoC Wolfson Arizona class device support"); |
| 2143 | MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>"); |
| 2144 | MODULE_LICENSE("GPL"); |