sound/soc/codecs/cs35l41.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 //
   3 // cs35l41.c -- CS35l41 ALSA SoC audio driver
   4 //
   5 // Copyright 2017-2021 Cirrus Logic, Inc.
   6 //
   7 // Author: David Rhodes <david.rhodes@cirrus.com>
   8
   9 #include <linux/delay.h>
  10 #include <linux/err.h>
  11 #include <linux/init.h>
  12 #include <linux/kernel.h>
  13 #include <linux/module.h>
  14 #include <linux/moduleparam.h>
  15 #include <linux/of_device.h>
  16 #include <linux/pm_runtime.h>
  17 #include <linux/property.h>
  18 #include <sound/initval.h>
  19 #include <sound/pcm.h>
  20 #include <sound/pcm_params.h>
  21 #include <sound/soc.h>
  22 #include <sound/soc-dapm.h>
  23 #include <sound/tlv.h>
  24
  25 #include "cs35l41.h"
  26
  27 static const char * const cs35l41_supplies[CS35L41_NUM_SUPPLIES] = {
  28         "VA",
  29         "VP",
  30 };
  31
  32 struct cs35l41_pll_sysclk_config {
  33         int freq;
  34         int clk_cfg;
  35 };
  36
  37 static const struct cs35l41_pll_sysclk_config cs35l41_pll_sysclk[] = {
  38         { 32768,        0x00 },
  39         { 8000,         0x01 },
  40         { 11025,        0x02 },
  41         { 12000,        0x03 },
  42         { 16000,        0x04 },
  43         { 22050,        0x05 },
  44         { 24000,        0x06 },
  45         { 32000,        0x07 },
  46         { 44100,        0x08 },
  47         { 48000,        0x09 },
  48         { 88200,        0x0A },
  49         { 96000,        0x0B },
  50         { 128000,       0x0C },
  51         { 176400,       0x0D },
  52         { 192000,       0x0E },
  53         { 256000,       0x0F },
  54         { 352800,       0x10 },
  55         { 384000,       0x11 },
  56         { 512000,       0x12 },
  57         { 705600,       0x13 },
  58         { 750000,       0x14 },
  59         { 768000,       0x15 },
  60         { 1000000,      0x16 },
  61         { 1024000,      0x17 },
  62         { 1200000,      0x18 },
  63         { 1411200,      0x19 },
  64         { 1500000,      0x1A },
  65         { 1536000,      0x1B },
  66         { 2000000,      0x1C },
  67         { 2048000,      0x1D },
  68         { 2400000,      0x1E },
  69         { 2822400,      0x1F },
  70         { 3000000,      0x20 },
  71         { 3072000,      0x21 },
  72         { 3200000,      0x22 },
  73         { 4000000,      0x23 },
  74         { 4096000,      0x24 },
  75         { 4800000,      0x25 },
  76         { 5644800,      0x26 },
  77         { 6000000,      0x27 },
  78         { 6144000,      0x28 },
  79         { 6250000,      0x29 },
  80         { 6400000,      0x2A },
  81         { 6500000,      0x2B },
  82         { 6750000,      0x2C },
  83         { 7526400,      0x2D },
  84         { 8000000,      0x2E },
  85         { 8192000,      0x2F },
  86         { 9600000,      0x30 },
  87         { 11289600,     0x31 },
  88         { 12000000,     0x32 },
  89         { 12288000,     0x33 },
  90         { 12500000,     0x34 },
  91         { 12800000,     0x35 },
  92         { 13000000,     0x36 },
  93         { 13500000,     0x37 },
  94         { 19200000,     0x38 },
  95         { 22579200,     0x39 },
  96         { 24000000,     0x3A },
  97         { 24576000,     0x3B },
  98         { 25000000,     0x3C },
  99         { 25600000,     0x3D },
 100         { 26000000,     0x3E },
 101         { 27000000,     0x3F },
 102 };
 103
 104 struct cs35l41_fs_mon_config {
 105         int freq;
 106         unsigned int fs1;
 107         unsigned int fs2;
 108 };
 109
 110 static const struct cs35l41_fs_mon_config cs35l41_fs_mon[] = {
 111         { 32768,        2254,   3754 },
 112         { 8000,         9220,   15364 },
 113         { 11025,        6148,   10244 },
 114         { 12000,        6148,   10244 },
 115         { 16000,        4612,   7684 },
 116         { 22050,        3076,   5124 },
 117         { 24000,        3076,   5124 },
 118         { 32000,        2308,   3844 },
 119         { 44100,        1540,   2564 },
 120         { 48000,        1540,   2564 },
 121         { 88200,        772,    1284 },
 122         { 96000,        772,    1284 },
 123         { 128000,       580,    964 },
 124         { 176400,       388,    644 },
 125         { 192000,       388,    644 },
 126         { 256000,       292,    484 },
 127         { 352800,       196,    324 },
 128         { 384000,       196,    324 },
 129         { 512000,       148,    244 },
 130         { 705600,       100,    164 },
 131         { 750000,       100,    164 },
 132         { 768000,       100,    164 },
 133         { 1000000,      76,     124 },
 134         { 1024000,      76,     124 },
 135         { 1200000,      64,     104 },
 136         { 1411200,      52,     84 },
 137         { 1500000,      52,     84 },
 138         { 1536000,      52,     84 },
 139         { 2000000,      40,     64 },
 140         { 2048000,      40,     64 },
 141         { 2400000,      34,     54 },
 142         { 2822400,      28,     44 },
 143         { 3000000,      28,     44 },
 144         { 3072000,      28,     44 },
 145         { 3200000,      27,     42 },
 146         { 4000000,      22,     34 },
 147         { 4096000,      22,     34 },
 148         { 4800000,      19,     29 },
 149         { 5644800,      16,     24 },
 150         { 6000000,      16,     24 },
 151         { 6144000,      16,     24 },
 152 };
 153
 154 static int cs35l41_get_fs_mon_config_index(int freq)
 155 {
 156         int i;
 157
 158         for (i = 0; i < ARRAY_SIZE(cs35l41_fs_mon); i++) {
 159                 if (cs35l41_fs_mon[i].freq == freq)
 160                         return i;
 161         }
 162
 163         return -EINVAL;
 164 }
 165
 166 static const DECLARE_TLV_DB_RANGE(dig_vol_tlv,
 167                 0, 0, TLV_DB_SCALE_ITEM(TLV_DB_GAIN_MUTE, 0, 1),
 168                 1, 913, TLV_DB_MINMAX_ITEM(-10200, 1200));
 169 static DECLARE_TLV_DB_SCALE(amp_gain_tlv, 0, 1, 1);
 170
 171 static const struct snd_kcontrol_new dre_ctrl =
 172         SOC_DAPM_SINGLE("Switch", CS35L41_PWR_CTRL3, 20, 1, 0);
 173
 174 static const char * const cs35l41_pcm_sftramp_text[] =  {
 175         "Off", ".5ms", "1ms", "2ms", "4ms", "8ms", "15ms", "30ms"
 176 };
 177
 178 static SOC_ENUM_SINGLE_DECL(pcm_sft_ramp,
 179                             CS35L41_AMP_DIG_VOL_CTRL, 0,
 180                             cs35l41_pcm_sftramp_text);
 181
 182 static int cs35l41_dsp_preload_ev(struct snd_soc_dapm_widget *w,
 183                                   struct snd_kcontrol *kcontrol, int event)
 184 {
 185         struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
 186         struct cs35l41_private *cs35l41 = snd_soc_component_get_drvdata(component);
 187         int ret;
 188
 189         switch (event) {
 190         case SND_SOC_DAPM_PRE_PMU:
 191                 if (cs35l41->dsp.cs_dsp.booted)
 192                         return 0;
 193
 194                 return wm_adsp_early_event(w, kcontrol, event);
 195         case SND_SOC_DAPM_PRE_PMD:
 196                 if (cs35l41->dsp.preloaded)
 197                         return 0;
 198
 199                 if (cs35l41->dsp.cs_dsp.running) {
 200                         ret = wm_adsp_event(w, kcontrol, event);
 201                         if (ret)
 202                                 return ret;
 203                 }
 204
 205                 return wm_adsp_early_event(w, kcontrol, event);
 206         default:
 207                 return 0;
 208         }
 209 }
 210
 211 static int cs35l41_dsp_audio_ev(struct snd_soc_dapm_widget *w,
 212                                 struct snd_kcontrol *kcontrol, int event)
 213 {
 214         struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
 215         struct cs35l41_private *cs35l41 = snd_soc_component_get_drvdata(component);
 216         unsigned int fw_status;
 217         int ret;
 218
 219         switch (event) {
 220         case SND_SOC_DAPM_POST_PMU:
 221                 if (!cs35l41->dsp.cs_dsp.running)
 222                         return wm_adsp_event(w, kcontrol, event);
 223
 224                 ret = regmap_read(cs35l41->regmap, CS35L41_DSP_MBOX_2, &fw_status);
 225                 if (ret < 0) {
 226                         dev_err(cs35l41->dev,
 227                                 "Failed to read firmware status: %d\n", ret);
 228                         return ret;
 229                 }
 230
 231                 switch (fw_status) {
 232                 case CSPL_MBOX_STS_RUNNING:
 233                 case CSPL_MBOX_STS_PAUSED:
 234                         break;
 235                 default:
 236                         dev_err(cs35l41->dev, "Firmware status is invalid: %u\n",
 237                                 fw_status);
 238                         return -EINVAL;
 239                 }
 240
 241                 return cs35l41_set_cspl_mbox_cmd(cs35l41->dev, cs35l41->regmap,
 242                                                  CSPL_MBOX_CMD_RESUME);
 243         case SND_SOC_DAPM_PRE_PMD:
 244                 return cs35l41_set_cspl_mbox_cmd(cs35l41->dev, cs35l41->regmap,
 245                                                  CSPL_MBOX_CMD_PAUSE);
 246         default:
 247                 return 0;
 248         }
 249 }
 250
 251 static const char * const cs35l41_pcm_source_texts[] = {"ASP", "DSP"};
 252 static const unsigned int cs35l41_pcm_source_values[] = {0x08, 0x32};
 253 static SOC_VALUE_ENUM_SINGLE_DECL(cs35l41_pcm_source_enum,
 254                                   CS35L41_DAC_PCM1_SRC,
 255                                   0, CS35L41_ASP_SOURCE_MASK,
 256                                   cs35l41_pcm_source_texts,
 257                                   cs35l41_pcm_source_values);
 258
 259 static const struct snd_kcontrol_new pcm_source_mux =
 260         SOC_DAPM_ENUM("PCM Source", cs35l41_pcm_source_enum);
 261
 262 static const char * const cs35l41_tx_input_texts[] = {
 263         "Zero", "ASPRX1", "ASPRX2", "VMON", "IMON",
 264         "VPMON", "VBSTMON", "DSPTX1", "DSPTX2"
 265 };
 266
 267 static const unsigned int cs35l41_tx_input_values[] = {
 268         0x00, CS35L41_INPUT_SRC_ASPRX1, CS35L41_INPUT_SRC_ASPRX2,
 269         CS35L41_INPUT_SRC_VMON, CS35L41_INPUT_SRC_IMON, CS35L41_INPUT_SRC_VPMON,
 270         CS35L41_INPUT_SRC_VBSTMON, CS35L41_INPUT_DSP_TX1, CS35L41_INPUT_DSP_TX2
 271 };
 272
 273 static SOC_VALUE_ENUM_SINGLE_DECL(cs35l41_asptx1_enum,
 274                                   CS35L41_ASP_TX1_SRC,
 275                                   0, CS35L41_ASP_SOURCE_MASK,
 276                                   cs35l41_tx_input_texts,
 277                                   cs35l41_tx_input_values);
 278
 279 static const struct snd_kcontrol_new asp_tx1_mux =
 280         SOC_DAPM_ENUM("ASPTX1 SRC", cs35l41_asptx1_enum);
 281
 282 static SOC_VALUE_ENUM_SINGLE_DECL(cs35l41_asptx2_enum,
 283                                   CS35L41_ASP_TX2_SRC,
 284                                   0, CS35L41_ASP_SOURCE_MASK,
 285                                   cs35l41_tx_input_texts,
 286                                   cs35l41_tx_input_values);
 287
 288 static const struct snd_kcontrol_new asp_tx2_mux =
 289         SOC_DAPM_ENUM("ASPTX2 SRC", cs35l41_asptx2_enum);
 290
 291 static SOC_VALUE_ENUM_SINGLE_DECL(cs35l41_asptx3_enum,
 292                                   CS35L41_ASP_TX3_SRC,
 293                                   0, CS35L41_ASP_SOURCE_MASK,
 294                                   cs35l41_tx_input_texts,
 295                                   cs35l41_tx_input_values);
 296
 297 static const struct snd_kcontrol_new asp_tx3_mux =
 298         SOC_DAPM_ENUM("ASPTX3 SRC", cs35l41_asptx3_enum);
 299
 300 static SOC_VALUE_ENUM_SINGLE_DECL(cs35l41_asptx4_enum,
 301                                   CS35L41_ASP_TX4_SRC,
 302                                   0, CS35L41_ASP_SOURCE_MASK,
 303                                   cs35l41_tx_input_texts,
 304                                   cs35l41_tx_input_values);
 305
 306 static const struct snd_kcontrol_new asp_tx4_mux =
 307         SOC_DAPM_ENUM("ASPTX4 SRC", cs35l41_asptx4_enum);
 308
 309 static SOC_VALUE_ENUM_SINGLE_DECL(cs35l41_dsprx1_enum,
 310                                   CS35L41_DSP1_RX1_SRC,
 311                                   0, CS35L41_ASP_SOURCE_MASK,
 312                                   cs35l41_tx_input_texts,
 313                                   cs35l41_tx_input_values);
 314
 315 static const struct snd_kcontrol_new dsp_rx1_mux =
 316         SOC_DAPM_ENUM("DSPRX1 SRC", cs35l41_dsprx1_enum);
 317
 318 static SOC_VALUE_ENUM_SINGLE_DECL(cs35l41_dsprx2_enum,
 319                                   CS35L41_DSP1_RX2_SRC,
 320                                   0, CS35L41_ASP_SOURCE_MASK,
 321                                   cs35l41_tx_input_texts,
 322                                   cs35l41_tx_input_values);
 323
 324 static const struct snd_kcontrol_new dsp_rx2_mux =
 325         SOC_DAPM_ENUM("DSPRX2 SRC", cs35l41_dsprx2_enum);
 326
 327 static const struct snd_kcontrol_new cs35l41_aud_controls[] = {
 328         SOC_SINGLE_SX_TLV("Digital PCM Volume", CS35L41_AMP_DIG_VOL_CTRL,
 329                           3, 0x4CF, 0x391, dig_vol_tlv),
 330         SOC_SINGLE_TLV("Analog PCM Volume", CS35L41_AMP_GAIN_CTRL, 5, 0x14, 0,
 331                        amp_gain_tlv),
 332         SOC_ENUM("PCM Soft Ramp", pcm_sft_ramp),
 333         SOC_SINGLE("HW Noise Gate Enable", CS35L41_NG_CFG, 8, 63, 0),
 334         SOC_SINGLE("HW Noise Gate Delay", CS35L41_NG_CFG, 4, 7, 0),
 335         SOC_SINGLE("HW Noise Gate Threshold", CS35L41_NG_CFG, 0, 7, 0),
 336         SOC_SINGLE("Aux Noise Gate CH1 Switch",
 337                    CS35L41_MIXER_NGATE_CH1_CFG, 16, 1, 0),
 338         SOC_SINGLE("Aux Noise Gate CH1 Entry Delay",
 339                    CS35L41_MIXER_NGATE_CH1_CFG, 8, 15, 0),
 340         SOC_SINGLE("Aux Noise Gate CH1 Threshold",
 341                    CS35L41_MIXER_NGATE_CH1_CFG, 0, 7, 0),
 342         SOC_SINGLE("Aux Noise Gate CH2 Entry Delay",
 343                    CS35L41_MIXER_NGATE_CH2_CFG, 8, 15, 0),
 344         SOC_SINGLE("Aux Noise Gate CH2 Switch",
 345                    CS35L41_MIXER_NGATE_CH2_CFG, 16, 1, 0),
 346         SOC_SINGLE("Aux Noise Gate CH2 Threshold",
 347                    CS35L41_MIXER_NGATE_CH2_CFG, 0, 7, 0),
 348         SOC_SINGLE("SCLK Force Switch", CS35L41_SP_FORMAT, CS35L41_SCLK_FRC_SHIFT, 1, 0),
 349         SOC_SINGLE("LRCLK Force Switch", CS35L41_SP_FORMAT, CS35L41_LRCLK_FRC_SHIFT, 1, 0),
 350         SOC_SINGLE("Invert Class D Switch", CS35L41_AMP_DIG_VOL_CTRL,
 351                    CS35L41_AMP_INV_PCM_SHIFT, 1, 0),
 352         SOC_SINGLE("Amp Gain ZC Switch", CS35L41_AMP_GAIN_CTRL,
 353                    CS35L41_AMP_GAIN_ZC_SHIFT, 1, 0),
 354         WM_ADSP2_PRELOAD_SWITCH("DSP1", 1),
 355         WM_ADSP_FW_CONTROL("DSP1", 0),
 356 };
 357
 358 static irqreturn_t cs35l41_irq(int irq, void *data)
 359 {
 360         struct cs35l41_private *cs35l41 = data;
 361         unsigned int status[4] = { 0, 0, 0, 0 };
 362         unsigned int masks[4] = { 0, 0, 0, 0 };
 363         int ret = IRQ_NONE;
 364         unsigned int i;
 365
 366         pm_runtime_get_sync(cs35l41->dev);
 367
 368         for (i = 0; i < ARRAY_SIZE(status); i++) {
 369                 regmap_read(cs35l41->regmap,
 370                             CS35L41_IRQ1_STATUS1 + (i * CS35L41_REGSTRIDE),
 371                             &status[i]);
 372                 regmap_read(cs35l41->regmap,
 373                             CS35L41_IRQ1_MASK1 + (i * CS35L41_REGSTRIDE),
 374                             &masks[i]);
 375         }
 376
 377         /* Check to see if unmasked bits are active */
 378         if (!(status[0] & ~masks[0]) && !(status[1] & ~masks[1]) &&
 379             !(status[2] & ~masks[2]) && !(status[3] & ~masks[3]))
 380                 goto done;
 381
 382         if (status[3] & CS35L41_OTP_BOOT_DONE) {
 383                 regmap_update_bits(cs35l41->regmap, CS35L41_IRQ1_MASK4,
 384                                    CS35L41_OTP_BOOT_DONE, CS35L41_OTP_BOOT_DONE);
 385         }
 386
 387         /*
 388          * The following interrupts require a
 389          * protection release cycle to get the
 390          * speaker out of Safe-Mode.
 391          */
 392         if (status[0] & CS35L41_AMP_SHORT_ERR) {
 393                 dev_crit_ratelimited(cs35l41->dev, "Amp short error\n");
 394                 regmap_write(cs35l41->regmap, CS35L41_IRQ1_STATUS1,
 395                              CS35L41_AMP_SHORT_ERR);
 396                 regmap_write(cs35l41->regmap, CS35L41_PROTECT_REL_ERR_IGN, 0);
 397                 regmap_update_bits(cs35l41->regmap, CS35L41_PROTECT_REL_ERR_IGN,
 398                                    CS35L41_AMP_SHORT_ERR_RLS,
 399                                    CS35L41_AMP_SHORT_ERR_RLS);
 400                 regmap_update_bits(cs35l41->regmap, CS35L41_PROTECT_REL_ERR_IGN,
 401                                    CS35L41_AMP_SHORT_ERR_RLS, 0);
 402                 ret = IRQ_HANDLED;
 403         }
 404
 405         if (status[0] & CS35L41_TEMP_WARN) {
 406                 dev_crit_ratelimited(cs35l41->dev, "Over temperature warning\n");
 407                 regmap_write(cs35l41->regmap, CS35L41_IRQ1_STATUS1,
 408                              CS35L41_TEMP_WARN);
 409                 regmap_write(cs35l41->regmap, CS35L41_PROTECT_REL_ERR_IGN, 0);
 410                 regmap_update_bits(cs35l41->regmap, CS35L41_PROTECT_REL_ERR_IGN,
 411                                    CS35L41_TEMP_WARN_ERR_RLS,
 412                                    CS35L41_TEMP_WARN_ERR_RLS);
 413                 regmap_update_bits(cs35l41->regmap, CS35L41_PROTECT_REL_ERR_IGN,
 414                                    CS35L41_TEMP_WARN_ERR_RLS, 0);
 415                 ret = IRQ_HANDLED;
 416         }
 417
 418         if (status[0] & CS35L41_TEMP_ERR) {
 419                 dev_crit_ratelimited(cs35l41->dev, "Over temperature error\n");
 420                 regmap_write(cs35l41->regmap, CS35L41_IRQ1_STATUS1,
 421                              CS35L41_TEMP_ERR);
 422                 regmap_write(cs35l41->regmap, CS35L41_PROTECT_REL_ERR_IGN, 0);
 423                 regmap_update_bits(cs35l41->regmap, CS35L41_PROTECT_REL_ERR_IGN,
 424                                    CS35L41_TEMP_ERR_RLS,
 425                                    CS35L41_TEMP_ERR_RLS);
 426                 regmap_update_bits(cs35l41->regmap, CS35L41_PROTECT_REL_ERR_IGN,
 427                                    CS35L41_TEMP_ERR_RLS, 0);
 428                 ret = IRQ_HANDLED;
 429         }
 430
 431         if (status[0] & CS35L41_BST_OVP_ERR) {
 432                 dev_crit_ratelimited(cs35l41->dev, "VBST Over Voltage error\n");
 433                 regmap_update_bits(cs35l41->regmap, CS35L41_PWR_CTRL2,
 434                                    CS35L41_BST_EN_MASK, 0);
 435                 regmap_write(cs35l41->regmap, CS35L41_IRQ1_STATUS1,
 436                              CS35L41_BST_OVP_ERR);
 437                 regmap_write(cs35l41->regmap, CS35L41_PROTECT_REL_ERR_IGN, 0);
 438                 regmap_update_bits(cs35l41->regmap, CS35L41_PROTECT_REL_ERR_IGN,
 439                                    CS35L41_BST_OVP_ERR_RLS,
 440                                    CS35L41_BST_OVP_ERR_RLS);
 441                 regmap_update_bits(cs35l41->regmap, CS35L41_PROTECT_REL_ERR_IGN,
 442                                    CS35L41_BST_OVP_ERR_RLS, 0);
 443                 regmap_update_bits(cs35l41->regmap, CS35L41_PWR_CTRL2,
 444                                    CS35L41_BST_EN_MASK,
 445                                    CS35L41_BST_EN_DEFAULT << CS35L41_BST_EN_SHIFT);
 446                 ret = IRQ_HANDLED;
 447         }
 448
 449         if (status[0] & CS35L41_BST_DCM_UVP_ERR) {
 450                 dev_crit_ratelimited(cs35l41->dev, "DCM VBST Under Voltage Error\n");
 451                 regmap_update_bits(cs35l41->regmap, CS35L41_PWR_CTRL2,
 452                                    CS35L41_BST_EN_MASK, 0);
 453                 regmap_write(cs35l41->regmap, CS35L41_IRQ1_STATUS1,
 454                              CS35L41_BST_DCM_UVP_ERR);
 455                 regmap_write(cs35l41->regmap, CS35L41_PROTECT_REL_ERR_IGN, 0);
 456                 regmap_update_bits(cs35l41->regmap, CS35L41_PROTECT_REL_ERR_IGN,
 457                                    CS35L41_BST_UVP_ERR_RLS,
 458                                    CS35L41_BST_UVP_ERR_RLS);
 459                 regmap_update_bits(cs35l41->regmap, CS35L41_PROTECT_REL_ERR_IGN,
 460                                    CS35L41_BST_UVP_ERR_RLS, 0);
 461                 regmap_update_bits(cs35l41->regmap, CS35L41_PWR_CTRL2,
 462                                    CS35L41_BST_EN_MASK,
 463                                    CS35L41_BST_EN_DEFAULT << CS35L41_BST_EN_SHIFT);
 464                 ret = IRQ_HANDLED;
 465         }
 466
 467         if (status[0] & CS35L41_BST_SHORT_ERR) {
 468                 dev_crit_ratelimited(cs35l41->dev, "LBST error: powering off!\n");
 469                 regmap_update_bits(cs35l41->regmap, CS35L41_PWR_CTRL2,
 470                                    CS35L41_BST_EN_MASK, 0);
 471                 regmap_write(cs35l41->regmap, CS35L41_IRQ1_STATUS1,
 472                              CS35L41_BST_SHORT_ERR);
 473                 regmap_write(cs35l41->regmap, CS35L41_PROTECT_REL_ERR_IGN, 0);
 474                 regmap_update_bits(cs35l41->regmap, CS35L41_PROTECT_REL_ERR_IGN,
 475                                    CS35L41_BST_SHORT_ERR_RLS,
 476                                    CS35L41_BST_SHORT_ERR_RLS);
 477                 regmap_update_bits(cs35l41->regmap, CS35L41_PROTECT_REL_ERR_IGN,
 478                                    CS35L41_BST_SHORT_ERR_RLS, 0);
 479                 regmap_update_bits(cs35l41->regmap, CS35L41_PWR_CTRL2,
 480                                    CS35L41_BST_EN_MASK,
 481                                    CS35L41_BST_EN_DEFAULT << CS35L41_BST_EN_SHIFT);
 482                 ret = IRQ_HANDLED;
 483         }
 484
 485 done:
 486         pm_runtime_mark_last_busy(cs35l41->dev);
 487         pm_runtime_put_autosuspend(cs35l41->dev);
 488
 489         return ret;
 490 }
 491
 492 static const struct reg_sequence cs35l41_pup_patch[] = {
 493         { CS35L41_TEST_KEY_CTL, 0x00000055 },
 494         { CS35L41_TEST_KEY_CTL, 0x000000AA },
 495         { 0x00002084, 0x002F1AA0 },
 496         { CS35L41_TEST_KEY_CTL, 0x000000CC },
 497         { CS35L41_TEST_KEY_CTL, 0x00000033 },
 498 };
 499
 500 static const struct reg_sequence cs35l41_pdn_patch[] = {
 501         { CS35L41_TEST_KEY_CTL, 0x00000055 },
 502         { CS35L41_TEST_KEY_CTL, 0x000000AA },
 503         { 0x00002084, 0x002F1AA3 },
 504         { CS35L41_TEST_KEY_CTL, 0x000000CC },
 505         { CS35L41_TEST_KEY_CTL, 0x00000033 },
 506 };
 507
 508 static int cs35l41_main_amp_event(struct snd_soc_dapm_widget *w,
 509                                   struct snd_kcontrol *kcontrol, int event)
 510 {
 511         struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
 512         struct cs35l41_private *cs35l41 = snd_soc_component_get_drvdata(component);
 513         unsigned int val;
 514         int ret = 0;
 515
 516         switch (event) {
 517         case SND_SOC_DAPM_PRE_PMU:
 518                 regmap_multi_reg_write_bypassed(cs35l41->regmap,
 519                                                 cs35l41_pup_patch,
 520                                                 ARRAY_SIZE(cs35l41_pup_patch));
 521
 522                 cs35l41_global_enable(cs35l41->regmap, cs35l41->hw_cfg.bst_type, 1);
 523                 break;
 524         case SND_SOC_DAPM_POST_PMD:
 525                 cs35l41_global_enable(cs35l41->regmap, cs35l41->hw_cfg.bst_type, 0);
 526
 527                 ret = regmap_read_poll_timeout(cs35l41->regmap, CS35L41_IRQ1_STATUS1,
 528                                                val, val &  CS35L41_PDN_DONE_MASK,
 529                                                1000, 100000);
 530                 if (ret)
 531                         dev_warn(cs35l41->dev, "PDN failed: %d\n", ret);
 532
 533                 regmap_write(cs35l41->regmap, CS35L41_IRQ1_STATUS1,
 534                              CS35L41_PDN_DONE_MASK);
 535
 536                 regmap_multi_reg_write_bypassed(cs35l41->regmap,
 537                                                 cs35l41_pdn_patch,
 538                                                 ARRAY_SIZE(cs35l41_pdn_patch));
 539                 break;
 540         default:
 541                 dev_err(cs35l41->dev, "Invalid event = 0x%x\n", event);
 542                 ret = -EINVAL;
 543         }
 544
 545         return ret;
 546 }
 547
 548 static const struct snd_soc_dapm_widget cs35l41_dapm_widgets[] = {
 549         SND_SOC_DAPM_SPK("DSP1 Preload", NULL),
 550         SND_SOC_DAPM_SUPPLY_S("DSP1 Preloader", 100, SND_SOC_NOPM, 0, 0,
 551                               cs35l41_dsp_preload_ev,
 552                               SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD),
 553         SND_SOC_DAPM_OUT_DRV_E("DSP1", SND_SOC_NOPM, 0, 0, NULL, 0,
 554                                cs35l41_dsp_audio_ev,
 555                                SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
 556
 557         SND_SOC_DAPM_OUTPUT("SPK"),
 558
 559         SND_SOC_DAPM_AIF_IN("ASPRX1", NULL, 0, CS35L41_SP_ENABLES, 16, 0),
 560         SND_SOC_DAPM_AIF_IN("ASPRX2", NULL, 0, CS35L41_SP_ENABLES, 17, 0),
 561         SND_SOC_DAPM_AIF_OUT("ASPTX1", NULL, 0, CS35L41_SP_ENABLES, 0, 0),
 562         SND_SOC_DAPM_AIF_OUT("ASPTX2", NULL, 0, CS35L41_SP_ENABLES, 1, 0),
 563         SND_SOC_DAPM_AIF_OUT("ASPTX3", NULL, 0, CS35L41_SP_ENABLES, 2, 0),
 564         SND_SOC_DAPM_AIF_OUT("ASPTX4", NULL, 0, CS35L41_SP_ENABLES, 3, 0),
 565
 566         SND_SOC_DAPM_SIGGEN("VSENSE"),
 567         SND_SOC_DAPM_SIGGEN("ISENSE"),
 568         SND_SOC_DAPM_SIGGEN("VP"),
 569         SND_SOC_DAPM_SIGGEN("VBST"),
 570         SND_SOC_DAPM_SIGGEN("TEMP"),
 571
 572         SND_SOC_DAPM_SUPPLY("VMON", CS35L41_PWR_CTRL2, 12, 0, NULL, 0),
 573         SND_SOC_DAPM_SUPPLY("IMON", CS35L41_PWR_CTRL2, 13, 0, NULL, 0),
 574         SND_SOC_DAPM_SUPPLY("VPMON", CS35L41_PWR_CTRL2, 8, 0, NULL, 0),
 575         SND_SOC_DAPM_SUPPLY("VBSTMON", CS35L41_PWR_CTRL2, 9, 0, NULL, 0),
 576         SND_SOC_DAPM_SUPPLY("TEMPMON", CS35L41_PWR_CTRL2, 10, 0, NULL, 0),
 577
 578         SND_SOC_DAPM_ADC("VMON ADC", NULL, SND_SOC_NOPM, 0, 0),
 579         SND_SOC_DAPM_ADC("IMON ADC", NULL, SND_SOC_NOPM, 0, 0),
 580         SND_SOC_DAPM_ADC("VPMON ADC", NULL, SND_SOC_NOPM, 0, 0),
 581         SND_SOC_DAPM_ADC("VBSTMON ADC", NULL, SND_SOC_NOPM, 0, 0),
 582         SND_SOC_DAPM_ADC("TEMPMON ADC", NULL, SND_SOC_NOPM, 0, 0),
 583
 584         SND_SOC_DAPM_ADC("CLASS H", NULL, CS35L41_PWR_CTRL3, 4, 0),
 585
 586         SND_SOC_DAPM_OUT_DRV_E("Main AMP", CS35L41_PWR_CTRL2, 0, 0, NULL, 0,
 587                                cs35l41_main_amp_event,
 588                                SND_SOC_DAPM_POST_PMD |  SND_SOC_DAPM_PRE_PMU),
 589
 590         SND_SOC_DAPM_MUX("ASP TX1 Source", SND_SOC_NOPM, 0, 0, &asp_tx1_mux),
 591         SND_SOC_DAPM_MUX("ASP TX2 Source", SND_SOC_NOPM, 0, 0, &asp_tx2_mux),
 592         SND_SOC_DAPM_MUX("ASP TX3 Source", SND_SOC_NOPM, 0, 0, &asp_tx3_mux),
 593         SND_SOC_DAPM_MUX("ASP TX4 Source", SND_SOC_NOPM, 0, 0, &asp_tx4_mux),
 594         SND_SOC_DAPM_MUX("DSP RX1 Source", SND_SOC_NOPM, 0, 0, &dsp_rx1_mux),
 595         SND_SOC_DAPM_MUX("DSP RX2 Source", SND_SOC_NOPM, 0, 0, &dsp_rx2_mux),
 596         SND_SOC_DAPM_MUX("PCM Source", SND_SOC_NOPM, 0, 0, &pcm_source_mux),
 597         SND_SOC_DAPM_SWITCH("DRE", SND_SOC_NOPM, 0, 0, &dre_ctrl),
 598 };
 599
 600 static const struct snd_soc_dapm_route cs35l41_audio_map[] = {
 601         {"DSP RX1 Source", "ASPRX1", "ASPRX1"},
 602         {"DSP RX1 Source", "ASPRX2", "ASPRX2"},
 603         {"DSP RX2 Source", "ASPRX1", "ASPRX1"},
 604         {"DSP RX2 Source", "ASPRX2", "ASPRX2"},
 605
 606         {"DSP1", NULL, "DSP RX1 Source"},
 607         {"DSP1", NULL, "DSP RX2 Source"},
 608
 609         {"ASP TX1 Source", "VMON", "VMON ADC"},
 610         {"ASP TX1 Source", "IMON", "IMON ADC"},
 611         {"ASP TX1 Source", "VPMON", "VPMON ADC"},
 612         {"ASP TX1 Source", "VBSTMON", "VBSTMON ADC"},
 613         {"ASP TX1 Source", "DSPTX1", "DSP1"},
 614         {"ASP TX1 Source", "DSPTX2", "DSP1"},
 615         {"ASP TX1 Source", "ASPRX1", "ASPRX1" },
 616         {"ASP TX1 Source", "ASPRX2", "ASPRX2" },
 617         {"ASP TX2 Source", "VMON", "VMON ADC"},
 618         {"ASP TX2 Source", "IMON", "IMON ADC"},
 619         {"ASP TX2 Source", "VPMON", "VPMON ADC"},
 620         {"ASP TX2 Source", "VBSTMON", "VBSTMON ADC"},
 621         {"ASP TX2 Source", "DSPTX1", "DSP1"},
 622         {"ASP TX2 Source", "DSPTX2", "DSP1"},
 623         {"ASP TX2 Source", "ASPRX1", "ASPRX1" },
 624         {"ASP TX2 Source", "ASPRX2", "ASPRX2" },
 625         {"ASP TX3 Source", "VMON", "VMON ADC"},
 626         {"ASP TX3 Source", "IMON", "IMON ADC"},
 627         {"ASP TX3 Source", "VPMON", "VPMON ADC"},
 628         {"ASP TX3 Source", "VBSTMON", "VBSTMON ADC"},
 629         {"ASP TX3 Source", "DSPTX1", "DSP1"},
 630         {"ASP TX3 Source", "DSPTX2", "DSP1"},
 631         {"ASP TX3 Source", "ASPRX1", "ASPRX1" },
 632         {"ASP TX3 Source", "ASPRX2", "ASPRX2" },
 633         {"ASP TX4 Source", "VMON", "VMON ADC"},
 634         {"ASP TX4 Source", "IMON", "IMON ADC"},
 635         {"ASP TX4 Source", "VPMON", "VPMON ADC"},
 636         {"ASP TX4 Source", "VBSTMON", "VBSTMON ADC"},
 637         {"ASP TX4 Source", "DSPTX1", "DSP1"},
 638         {"ASP TX4 Source", "DSPTX2", "DSP1"},
 639         {"ASP TX4 Source", "ASPRX1", "ASPRX1" },
 640         {"ASP TX4 Source", "ASPRX2", "ASPRX2" },
 641         {"ASPTX1", NULL, "ASP TX1 Source"},
 642         {"ASPTX2", NULL, "ASP TX2 Source"},
 643         {"ASPTX3", NULL, "ASP TX3 Source"},
 644         {"ASPTX4", NULL, "ASP TX4 Source"},
 645         {"AMP Capture", NULL, "ASPTX1"},
 646         {"AMP Capture", NULL, "ASPTX2"},
 647         {"AMP Capture", NULL, "ASPTX3"},
 648         {"AMP Capture", NULL, "ASPTX4"},
 649
 650         {"DSP1", NULL, "VMON"},
 651         {"DSP1", NULL, "IMON"},
 652         {"DSP1", NULL, "VPMON"},
 653         {"DSP1", NULL, "VBSTMON"},
 654         {"DSP1", NULL, "TEMPMON"},
 655
 656         {"VMON ADC", NULL, "VMON"},
 657         {"IMON ADC", NULL, "IMON"},
 658         {"VPMON ADC", NULL, "VPMON"},
 659         {"VBSTMON ADC", NULL, "VBSTMON"},
 660         {"TEMPMON ADC", NULL, "TEMPMON"},
 661
 662         {"VMON ADC", NULL, "VSENSE"},
 663         {"IMON ADC", NULL, "ISENSE"},
 664         {"VPMON ADC", NULL, "VP"},
 665         {"VBSTMON ADC", NULL, "VBST"},
 666         {"TEMPMON ADC", NULL, "TEMP"},
 667
 668         {"DSP1 Preload", NULL, "DSP1 Preloader"},
 669         {"DSP1", NULL, "DSP1 Preloader"},
 670
 671         {"ASPRX1", NULL, "AMP Playback"},
 672         {"ASPRX2", NULL, "AMP Playback"},
 673         {"DRE", "Switch", "CLASS H"},
 674         {"Main AMP", NULL, "CLASS H"},
 675         {"Main AMP", NULL, "DRE"},
 676         {"SPK", NULL, "Main AMP"},
 677
 678         {"PCM Source", "ASP", "ASPRX1"},
 679         {"PCM Source", "DSP", "DSP1"},
 680         {"CLASS H", NULL, "PCM Source"},
 681 };
 682
 683 static int cs35l41_set_channel_map(struct snd_soc_dai *dai, unsigned int tx_n,
 684                                    unsigned int *tx_slot, unsigned int rx_n, unsigned int *rx_slot)
 685 {
 686         struct cs35l41_private *cs35l41 = snd_soc_component_get_drvdata(dai->component);
 687
 688         return cs35l41_set_channels(cs35l41->dev, cs35l41->regmap, tx_n, tx_slot, rx_n, rx_slot);
 689 }
 690
 691 static int cs35l41_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
 692 {
 693         struct cs35l41_private *cs35l41 = snd_soc_component_get_drvdata(dai->component);
 694         unsigned int daifmt = 0;
 695
 696         switch (fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) {
 697         case SND_SOC_DAIFMT_CBP_CFP:
 698                 daifmt |= CS35L41_SCLK_MSTR_MASK | CS35L41_LRCLK_MSTR_MASK;
 699                 break;
 700         case SND_SOC_DAIFMT_CBC_CFC:
 701                 break;
 702         default:
 703                 dev_warn(cs35l41->dev, "Mixed provider/consumer mode unsupported\n");
 704                 return -EINVAL;
 705         }
 706
 707         switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
 708         case SND_SOC_DAIFMT_DSP_A:
 709                 break;
 710         case SND_SOC_DAIFMT_I2S:
 711                 daifmt |= 2 << CS35L41_ASP_FMT_SHIFT;
 712                 break;
 713         default:
 714                 dev_warn(cs35l41->dev, "Invalid or unsupported DAI format\n");
 715                 return -EINVAL;
 716         }
 717
 718         switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
 719         case SND_SOC_DAIFMT_NB_IF:
 720                 daifmt |= CS35L41_LRCLK_INV_MASK;
 721                 break;
 722         case SND_SOC_DAIFMT_IB_NF:
 723                 daifmt |= CS35L41_SCLK_INV_MASK;
 724                 break;
 725         case SND_SOC_DAIFMT_IB_IF:
 726                 daifmt |= CS35L41_LRCLK_INV_MASK | CS35L41_SCLK_INV_MASK;
 727                 break;
 728         case SND_SOC_DAIFMT_NB_NF:
 729                 break;
 730         default:
 731                 dev_warn(cs35l41->dev, "Invalid DAI clock INV\n");
 732                 return -EINVAL;
 733         }
 734
 735         return regmap_update_bits(cs35l41->regmap, CS35L41_SP_FORMAT,
 736                                   CS35L41_SCLK_MSTR_MASK | CS35L41_LRCLK_MSTR_MASK |
 737                                   CS35L41_ASP_FMT_MASK | CS35L41_LRCLK_INV_MASK |
 738                                   CS35L41_SCLK_INV_MASK, daifmt);
 739 }
 740
 741 struct cs35l41_global_fs_config {
 742         int rate;
 743         int fs_cfg;
 744 };
 745
 746 static const struct cs35l41_global_fs_config cs35l41_fs_rates[] = {
 747         { 12000,        0x01 },
 748         { 24000,        0x02 },
 749         { 48000,        0x03 },
 750         { 96000,        0x04 },
 751         { 192000,       0x05 },
 752         { 11025,        0x09 },
 753         { 22050,        0x0A },
 754         { 44100,        0x0B },
 755         { 88200,        0x0C },
 756         { 176400,       0x0D },
 757         { 8000,         0x11 },
 758         { 16000,        0x12 },
 759         { 32000,        0x13 },
 760 };
 761
 762 static int cs35l41_pcm_hw_params(struct snd_pcm_substream *substream,
 763                                  struct snd_pcm_hw_params *params,
 764                                  struct snd_soc_dai *dai)
 765 {
 766         struct cs35l41_private *cs35l41 = snd_soc_component_get_drvdata(dai->component);
 767         unsigned int rate = params_rate(params);
 768         u8 asp_wl;
 769         int i;
 770
 771         for (i = 0; i < ARRAY_SIZE(cs35l41_fs_rates); i++) {
 772                 if (rate == cs35l41_fs_rates[i].rate)
 773                         break;
 774         }
 775
 776         if (i >= ARRAY_SIZE(cs35l41_fs_rates)) {
 777                 dev_err(cs35l41->dev, "Unsupported rate: %u\n", rate);
 778                 return -EINVAL;
 779         }
 780
 781         asp_wl = params_width(params);
 782
 783         if (i < ARRAY_SIZE(cs35l41_fs_rates))
 784                 regmap_update_bits(cs35l41->regmap, CS35L41_GLOBAL_CLK_CTRL,
 785                                    CS35L41_GLOBAL_FS_MASK,
 786                                    cs35l41_fs_rates[i].fs_cfg << CS35L41_GLOBAL_FS_SHIFT);
 787
 788         if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
 789                 regmap_update_bits(cs35l41->regmap, CS35L41_SP_FORMAT,
 790                                    CS35L41_ASP_WIDTH_RX_MASK,
 791                                    asp_wl << CS35L41_ASP_WIDTH_RX_SHIFT);
 792                 regmap_update_bits(cs35l41->regmap, CS35L41_SP_RX_WL,
 793                                    CS35L41_ASP_RX_WL_MASK,
 794                                    asp_wl << CS35L41_ASP_RX_WL_SHIFT);
 795         } else {
 796                 regmap_update_bits(cs35l41->regmap, CS35L41_SP_FORMAT,
 797                                    CS35L41_ASP_WIDTH_TX_MASK,
 798                                    asp_wl << CS35L41_ASP_WIDTH_TX_SHIFT);
 799                 regmap_update_bits(cs35l41->regmap, CS35L41_SP_TX_WL,
 800                                    CS35L41_ASP_TX_WL_MASK,
 801                                    asp_wl << CS35L41_ASP_TX_WL_SHIFT);
 802         }
 803
 804         return 0;
 805 }
 806
 807 static int cs35l41_get_clk_config(int freq)
 808 {
 809         int i;
 810
 811         for (i = 0; i < ARRAY_SIZE(cs35l41_pll_sysclk); i++) {
 812                 if (cs35l41_pll_sysclk[i].freq == freq)
 813                         return cs35l41_pll_sysclk[i].clk_cfg;
 814         }
 815
 816         return -EINVAL;
 817 }
 818
 819 static const unsigned int cs35l41_src_rates[] = {
 820         8000, 12000, 11025, 16000, 22050, 24000, 32000,
 821         44100, 48000, 88200, 96000, 176400, 192000
 822 };
 823
 824 static const struct snd_pcm_hw_constraint_list cs35l41_constraints = {
 825         .count = ARRAY_SIZE(cs35l41_src_rates),
 826         .list = cs35l41_src_rates,
 827 };
 828
 829 static int cs35l41_pcm_startup(struct snd_pcm_substream *substream,
 830                                struct snd_soc_dai *dai)
 831 {
 832         if (substream->runtime)
 833                 return snd_pcm_hw_constraint_list(substream->runtime, 0,
 834                                                   SNDRV_PCM_HW_PARAM_RATE,
 835                                                   &cs35l41_constraints);
 836         return 0;
 837 }
 838
 839 static int cs35l41_component_set_sysclk(struct snd_soc_component *component,
 840                                         int clk_id, int source,
 841                                         unsigned int freq, int dir)
 842 {
 843         struct cs35l41_private *cs35l41 = snd_soc_component_get_drvdata(component);
 844         int extclk_cfg, clksrc;
 845
 846         switch (clk_id) {
 847         case CS35L41_CLKID_SCLK:
 848                 clksrc = CS35L41_PLLSRC_SCLK;
 849                 break;
 850         case CS35L41_CLKID_LRCLK:
 851                 clksrc = CS35L41_PLLSRC_LRCLK;
 852                 break;
 853         case CS35L41_CLKID_MCLK:
 854                 clksrc = CS35L41_PLLSRC_MCLK;
 855                 break;
 856         default:
 857                 dev_err(cs35l41->dev, "Invalid CLK Config\n");
 858                 return -EINVAL;
 859         }
 860
 861         extclk_cfg = cs35l41_get_clk_config(freq);
 862
 863         if (extclk_cfg < 0) {
 864                 dev_err(cs35l41->dev, "Invalid CLK Config: %d, freq: %u\n",
 865                         extclk_cfg, freq);
 866                 return -EINVAL;
 867         }
 868
 869         regmap_update_bits(cs35l41->regmap, CS35L41_PLL_CLK_CTRL,
 870                            CS35L41_PLL_OPENLOOP_MASK,
 871                            1 << CS35L41_PLL_OPENLOOP_SHIFT);
 872         regmap_update_bits(cs35l41->regmap, CS35L41_PLL_CLK_CTRL,
 873                            CS35L41_REFCLK_FREQ_MASK,
 874                            extclk_cfg << CS35L41_REFCLK_FREQ_SHIFT);
 875         regmap_update_bits(cs35l41->regmap, CS35L41_PLL_CLK_CTRL,
 876                            CS35L41_PLL_CLK_EN_MASK,
 877                            0 << CS35L41_PLL_CLK_EN_SHIFT);
 878         regmap_update_bits(cs35l41->regmap, CS35L41_PLL_CLK_CTRL,
 879                            CS35L41_PLL_CLK_SEL_MASK, clksrc);
 880         regmap_update_bits(cs35l41->regmap, CS35L41_PLL_CLK_CTRL,
 881                            CS35L41_PLL_OPENLOOP_MASK,
 882                            0 << CS35L41_PLL_OPENLOOP_SHIFT);
 883         regmap_update_bits(cs35l41->regmap, CS35L41_PLL_CLK_CTRL,
 884                            CS35L41_PLL_CLK_EN_MASK,
 885                            1 << CS35L41_PLL_CLK_EN_SHIFT);
 886
 887         return 0;
 888 }
 889
 890 static int cs35l41_dai_set_sysclk(struct snd_soc_dai *dai,
 891                                   int clk_id, unsigned int freq, int dir)
 892 {
 893         struct cs35l41_private *cs35l41 = snd_soc_component_get_drvdata(dai->component);
 894         unsigned int fs1_val;
 895         unsigned int fs2_val;
 896         unsigned int val;
 897         int fsindex;
 898
 899         fsindex = cs35l41_get_fs_mon_config_index(freq);
 900         if (fsindex < 0) {
 901                 dev_err(cs35l41->dev, "Invalid CLK Config freq: %u\n", freq);
 902                 return -EINVAL;
 903         }
 904
 905         dev_dbg(cs35l41->dev, "Set DAI sysclk %d\n", freq);
 906
 907         if (freq <= 6144000) {
 908                 /* Use the lookup table */
 909                 fs1_val = cs35l41_fs_mon[fsindex].fs1;
 910                 fs2_val = cs35l41_fs_mon[fsindex].fs2;
 911         } else {
 912                 /* Use hard-coded values */
 913                 fs1_val = 0x10;
 914                 fs2_val = 0x24;
 915         }
 916
 917         val = fs1_val;
 918         val |= (fs2_val << CS35L41_FS2_WINDOW_SHIFT) & CS35L41_FS2_WINDOW_MASK;
 919         regmap_write(cs35l41->regmap, CS35L41_TST_FS_MON0, val);
 920
 921         return 0;
 922 }
 923
 924 static int cs35l41_set_pdata(struct cs35l41_private *cs35l41)
 925 {
 926         struct cs35l41_hw_cfg *hw_cfg = &cs35l41->hw_cfg;
 927         int ret;
 928
 929         if (!hw_cfg->valid)
 930                 return -EINVAL;
 931
 932         if (hw_cfg->bst_type == CS35L41_EXT_BOOST_NO_VSPK_SWITCH)
 933                 return -EINVAL;
 934
 935         /* Required */
 936         ret = cs35l41_init_boost(cs35l41->dev, cs35l41->regmap, hw_cfg);
 937         if (ret)
 938                 return ret;
 939
 940         /* Optional */
 941         if (hw_cfg->dout_hiz <= CS35L41_ASP_DOUT_HIZ_MASK && hw_cfg->dout_hiz >= 0)
 942                 regmap_update_bits(cs35l41->regmap, CS35L41_SP_HIZ_CTRL, CS35L41_ASP_DOUT_HIZ_MASK,
 943                                    hw_cfg->dout_hiz);
 944
 945         return 0;
 946 }
 947
 948 static const struct snd_soc_dapm_route cs35l41_ext_bst_routes[] = {
 949         {"Main AMP", NULL, "VSPK"},
 950 };
 951
 952 static const struct snd_soc_dapm_widget cs35l41_ext_bst_widget[] = {
 953         SND_SOC_DAPM_SUPPLY("VSPK", CS35L41_GPIO1_CTRL1, CS35L41_GPIO_LVL_SHIFT, 0, NULL, 0),
 954 };
 955
 956 static int cs35l41_component_probe(struct snd_soc_component *component)
 957 {
 958         struct cs35l41_private *cs35l41 = snd_soc_component_get_drvdata(component);
 959         struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
 960         int ret;
 961
 962         if (cs35l41->hw_cfg.bst_type == CS35L41_EXT_BOOST) {
 963                 ret = snd_soc_dapm_new_controls(dapm, cs35l41_ext_bst_widget,
 964                                                 ARRAY_SIZE(cs35l41_ext_bst_widget));
 965                 if (ret)
 966                         return ret;
 967
 968                 ret = snd_soc_dapm_add_routes(dapm, cs35l41_ext_bst_routes,
 969                                               ARRAY_SIZE(cs35l41_ext_bst_routes));
 970                 if (ret)
 971                         return ret;
 972         }
 973
 974         return wm_adsp2_component_probe(&cs35l41->dsp, component);
 975 }
 976
 977 static void cs35l41_component_remove(struct snd_soc_component *component)
 978 {
 979         struct cs35l41_private *cs35l41 = snd_soc_component_get_drvdata(component);
 980
 981         wm_adsp2_component_remove(&cs35l41->dsp, component);
 982 }
 983
 984 static const struct snd_soc_dai_ops cs35l41_ops = {
 985         .startup = cs35l41_pcm_startup,
 986         .set_fmt = cs35l41_set_dai_fmt,
 987         .hw_params = cs35l41_pcm_hw_params,
 988         .set_sysclk = cs35l41_dai_set_sysclk,
 989         .set_channel_map = cs35l41_set_channel_map,
 990 };
 991
 992 static struct snd_soc_dai_driver cs35l41_dai[] = {
 993         {
 994                 .name = "cs35l41-pcm",
 995                 .id = 0,
 996                 .playback = {
 997                         .stream_name = "AMP Playback",
 998                         .channels_min = 1,
 999                         .channels_max = 2,
1000                         .rates = SNDRV_PCM_RATE_KNOT,
1001                         .formats = CS35L41_RX_FORMATS,
1002                 },
1003                 .capture = {
1004                         .stream_name = "AMP Capture",
1005                         .channels_min = 1,
1006                         .channels_max = 4,
1007                         .rates = SNDRV_PCM_RATE_KNOT,
1008                         .formats = CS35L41_TX_FORMATS,
1009                 },
1010                 .ops = &cs35l41_ops,
1011                 .symmetric_rate = 1,
1012         },
1013 };
1014
1015 static const struct snd_soc_component_driver soc_component_dev_cs35l41 = {
1016         .name = "cs35l41-codec",
1017         .probe = cs35l41_component_probe,
1018         .remove = cs35l41_component_remove,
1019
1020         .dapm_widgets = cs35l41_dapm_widgets,
1021         .num_dapm_widgets = ARRAY_SIZE(cs35l41_dapm_widgets),
1022         .dapm_routes = cs35l41_audio_map,
1023         .num_dapm_routes = ARRAY_SIZE(cs35l41_audio_map),
1024
1025         .controls = cs35l41_aud_controls,
1026         .num_controls = ARRAY_SIZE(cs35l41_aud_controls),
1027         .set_sysclk = cs35l41_component_set_sysclk,
1028
1029         .endianness = 1,
1030 };
1031
1032 static int cs35l41_handle_pdata(struct device *dev, struct cs35l41_hw_cfg *hw_cfg)
1033 {
1034         struct cs35l41_gpio_cfg *gpio1 = &hw_cfg->gpio1;
1035         struct cs35l41_gpio_cfg *gpio2 = &hw_cfg->gpio2;
1036         unsigned int val;
1037         int ret;
1038
1039         ret = device_property_read_u32(dev, "cirrus,boost-type", &val);
1040         if (ret >= 0)
1041                 hw_cfg->bst_type = val;
1042
1043         ret = device_property_read_u32(dev, "cirrus,boost-peak-milliamp", &val);
1044         if (ret >= 0)
1045                 hw_cfg->bst_ipk = val;
1046         else
1047                 hw_cfg->bst_ipk = -1;
1048
1049         ret = device_property_read_u32(dev, "cirrus,boost-ind-nanohenry", &val);
1050         if (ret >= 0)
1051                 hw_cfg->bst_ind = val;
1052         else
1053                 hw_cfg->bst_ind = -1;
1054
1055         ret = device_property_read_u32(dev, "cirrus,boost-cap-microfarad", &val);
1056         if (ret >= 0)
1057                 hw_cfg->bst_cap = val;
1058         else
1059                 hw_cfg->bst_cap = -1;
1060
1061         ret = device_property_read_u32(dev, "cirrus,asp-sdout-hiz", &val);
1062         if (ret >= 0)
1063                 hw_cfg->dout_hiz = val;
1064         else
1065                 hw_cfg->dout_hiz = -1;
1066
1067         /* GPIO1 Pin Config */
1068         gpio1->pol_inv = device_property_read_bool(dev, "cirrus,gpio1-polarity-invert");
1069         gpio1->out_en = device_property_read_bool(dev, "cirrus,gpio1-output-enable");
1070         ret = device_property_read_u32(dev, "cirrus,gpio1-src-select", &val);
1071         if (ret >= 0) {
1072                 gpio1->func = val;
1073                 gpio1->valid = true;
1074         }
1075
1076         /* GPIO2 Pin Config */
1077         gpio2->pol_inv = device_property_read_bool(dev, "cirrus,gpio2-polarity-invert");
1078         gpio2->out_en = device_property_read_bool(dev, "cirrus,gpio2-output-enable");
1079         ret = device_property_read_u32(dev, "cirrus,gpio2-src-select", &val);
1080         if (ret >= 0) {
1081                 gpio2->func = val;
1082                 gpio2->valid = true;
1083         }
1084
1085         hw_cfg->valid = true;
1086
1087         return 0;
1088 }
1089
1090 static int cs35l41_dsp_init(struct cs35l41_private *cs35l41)
1091 {
1092         struct wm_adsp *dsp;
1093         int ret;
1094
1095         dsp = &cs35l41->dsp;
1096         dsp->part = "cs35l41";
1097         dsp->fw = 9; /* 9 is WM_ADSP_FW_SPK_PROT in wm_adsp.c */
1098         dsp->toggle_preload = true;
1099
1100         cs35l41_configure_cs_dsp(cs35l41->dev, cs35l41->regmap, &dsp->cs_dsp);
1101
1102         ret = cs35l41_write_fs_errata(cs35l41->dev, cs35l41->regmap);
1103         if (ret < 0)
1104                 return ret;
1105
1106         ret = wm_halo_init(dsp);
1107         if (ret) {
1108                 dev_err(cs35l41->dev, "wm_halo_init failed: %d\n", ret);
1109                 return ret;
1110         }
1111
1112         ret = regmap_write(cs35l41->regmap, CS35L41_DSP1_RX5_SRC,
1113                            CS35L41_INPUT_SRC_VPMON);
1114         if (ret < 0) {
1115                 dev_err(cs35l41->dev, "Write INPUT_SRC_VPMON failed: %d\n", ret);
1116                 goto err_dsp;
1117         }
1118         ret = regmap_write(cs35l41->regmap, CS35L41_DSP1_RX6_SRC,
1119                            CS35L41_INPUT_SRC_CLASSH);
1120         if (ret < 0) {
1121                 dev_err(cs35l41->dev, "Write INPUT_SRC_CLASSH failed: %d\n", ret);
1122                 goto err_dsp;
1123         }
1124         ret = regmap_write(cs35l41->regmap, CS35L41_DSP1_RX7_SRC,
1125                            CS35L41_INPUT_SRC_TEMPMON);
1126         if (ret < 0) {
1127                 dev_err(cs35l41->dev, "Write INPUT_SRC_TEMPMON failed: %d\n", ret);
1128                 goto err_dsp;
1129         }
1130         ret = regmap_write(cs35l41->regmap, CS35L41_DSP1_RX8_SRC,
1131                            CS35L41_INPUT_SRC_RSVD);
1132         if (ret < 0) {
1133                 dev_err(cs35l41->dev, "Write INPUT_SRC_RSVD failed: %d\n", ret);
1134                 goto err_dsp;
1135         }
1136
1137         return 0;
1138
1139 err_dsp:
1140         wm_adsp2_remove(dsp);
1141
1142         return ret;
1143 }
1144
1145 int cs35l41_probe(struct cs35l41_private *cs35l41, const struct cs35l41_hw_cfg *hw_cfg)
1146 {
1147         u32 regid, reg_revid, i, mtl_revid, int_status, chipid_match;
1148         int irq_pol = 0;
1149         int ret;
1150
1151         if (hw_cfg) {
1152                 cs35l41->hw_cfg = *hw_cfg;
1153         } else {
1154                 ret = cs35l41_handle_pdata(cs35l41->dev, &cs35l41->hw_cfg);
1155                 if (ret != 0)
1156                         return ret;
1157         }
1158
1159         for (i = 0; i < CS35L41_NUM_SUPPLIES; i++)
1160                 cs35l41->supplies[i].supply = cs35l41_supplies[i];
1161
1162         ret = devm_regulator_bulk_get(cs35l41->dev, CS35L41_NUM_SUPPLIES,
1163                                       cs35l41->supplies);
1164         if (ret != 0) {
1165                 dev_err(cs35l41->dev, "Failed to request core supplies: %d\n", ret);
1166                 return ret;
1167         }
1168
1169         ret = regulator_bulk_enable(CS35L41_NUM_SUPPLIES, cs35l41->supplies);
1170         if (ret != 0) {
1171                 dev_err(cs35l41->dev, "Failed to enable core supplies: %d\n", ret);
1172                 return ret;
1173         }
1174
1175         /* returning NULL can be an option if in stereo mode */
1176         cs35l41->reset_gpio = devm_gpiod_get_optional(cs35l41->dev, "reset",
1177                                                       GPIOD_OUT_LOW);
1178         if (IS_ERR(cs35l41->reset_gpio)) {
1179                 ret = PTR_ERR(cs35l41->reset_gpio);
1180                 cs35l41->reset_gpio = NULL;
1181                 if (ret == -EBUSY) {
1182                         dev_info(cs35l41->dev,
1183                                  "Reset line busy, assuming shared reset\n");
1184                 } else {
1185                         dev_err(cs35l41->dev,
1186                                 "Failed to get reset GPIO: %d\n", ret);
1187                         goto err;
1188                 }
1189         }
1190         if (cs35l41->reset_gpio) {
1191                 /* satisfy minimum reset pulse width spec */
1192                 usleep_range(2000, 2100);
1193                 gpiod_set_value_cansleep(cs35l41->reset_gpio, 1);
1194         }
1195
1196         usleep_range(2000, 2100);
1197
1198         ret = regmap_read_poll_timeout(cs35l41->regmap, CS35L41_IRQ1_STATUS4,
1199                                        int_status, int_status & CS35L41_OTP_BOOT_DONE,
1200                                        1000, 100000);
1201         if (ret) {
1202                 dev_err(cs35l41->dev,
1203                         "Failed waiting for OTP_BOOT_DONE: %d\n", ret);
1204                 goto err;
1205         }
1206
1207         regmap_read(cs35l41->regmap, CS35L41_IRQ1_STATUS3, &int_status);
1208         if (int_status & CS35L41_OTP_BOOT_ERR) {
1209                 dev_err(cs35l41->dev, "OTP Boot error\n");
1210                 ret = -EINVAL;
1211                 goto err;
1212         }
1213
1214         ret = regmap_read(cs35l41->regmap, CS35L41_DEVID, &regid);
1215         if (ret < 0) {
1216                 dev_err(cs35l41->dev, "Get Device ID failed: %d\n", ret);
1217                 goto err;
1218         }
1219
1220         ret = regmap_read(cs35l41->regmap, CS35L41_REVID, &reg_revid);
1221         if (ret < 0) {
1222                 dev_err(cs35l41->dev, "Get Revision ID failed: %d\n", ret);
1223                 goto err;
1224         }
1225
1226         mtl_revid = reg_revid & CS35L41_MTLREVID_MASK;
1227
1228         /* CS35L41 will have even MTLREVID
1229          * CS35L41R will have odd MTLREVID
1230          */
1231         chipid_match = (mtl_revid % 2) ? CS35L41R_CHIP_ID : CS35L41_CHIP_ID;
1232         if (regid != chipid_match) {
1233                 dev_err(cs35l41->dev, "CS35L41 Device ID (%X). Expected ID %X\n",
1234                         regid, chipid_match);
1235                 ret = -ENODEV;
1236                 goto err;
1237         }
1238
1239         cs35l41_test_key_unlock(cs35l41->dev, cs35l41->regmap);
1240
1241         ret = cs35l41_register_errata_patch(cs35l41->dev, cs35l41->regmap, reg_revid);
1242         if (ret)
1243                 goto err;
1244
1245         ret = cs35l41_otp_unpack(cs35l41->dev, cs35l41->regmap);
1246         if (ret < 0) {
1247                 dev_err(cs35l41->dev, "OTP Unpack failed: %d\n", ret);
1248                 goto err;
1249         }
1250
1251         cs35l41_test_key_lock(cs35l41->dev, cs35l41->regmap);
1252
1253         irq_pol = cs35l41_gpio_config(cs35l41->regmap, &cs35l41->hw_cfg);
1254
1255         /* Set interrupt masks for critical errors */
1256         regmap_write(cs35l41->regmap, CS35L41_IRQ1_MASK1,
1257                      CS35L41_INT1_MASK_DEFAULT);
1258
1259         ret = devm_request_threaded_irq(cs35l41->dev, cs35l41->irq, NULL, cs35l41_irq,
1260                                         IRQF_ONESHOT | IRQF_SHARED | irq_pol,
1261                                         "cs35l41", cs35l41);
1262         if (ret != 0) {
1263                 dev_err(cs35l41->dev, "Failed to request IRQ: %d\n", ret);
1264                 goto err;
1265         }
1266
1267         ret = cs35l41_set_pdata(cs35l41);
1268         if (ret < 0) {
1269                 dev_err(cs35l41->dev, "Set pdata failed: %d\n", ret);
1270                 goto err;
1271         }
1272
1273         ret = cs35l41_dsp_init(cs35l41);
1274         if (ret < 0)
1275                 goto err;
1276
1277         pm_runtime_set_autosuspend_delay(cs35l41->dev, 3000);
1278         pm_runtime_use_autosuspend(cs35l41->dev);
1279         pm_runtime_mark_last_busy(cs35l41->dev);
1280         pm_runtime_set_active(cs35l41->dev);
1281         pm_runtime_get_noresume(cs35l41->dev);
1282         pm_runtime_enable(cs35l41->dev);
1283
1284         ret = devm_snd_soc_register_component(cs35l41->dev,
1285                                               &soc_component_dev_cs35l41,
1286                                               cs35l41_dai, ARRAY_SIZE(cs35l41_dai));
1287         if (ret < 0) {
1288                 dev_err(cs35l41->dev, "Register codec failed: %d\n", ret);
1289                 goto err_pm;
1290         }
1291
1292         pm_runtime_put_autosuspend(cs35l41->dev);
1293
1294         dev_info(cs35l41->dev, "Cirrus Logic CS35L41 (%x), Revision: %02X\n",
1295                  regid, reg_revid);
1296
1297         return 0;
1298
1299 err_pm:
1300         pm_runtime_disable(cs35l41->dev);
1301         pm_runtime_put_noidle(cs35l41->dev);
1302
1303         wm_adsp2_remove(&cs35l41->dsp);
1304 err:
1305         cs35l41_safe_reset(cs35l41->regmap, cs35l41->hw_cfg.bst_type);
1306         regulator_bulk_disable(CS35L41_NUM_SUPPLIES, cs35l41->supplies);
1307         gpiod_set_value_cansleep(cs35l41->reset_gpio, 0);
1308
1309         return ret;
1310 }
1311 EXPORT_SYMBOL_GPL(cs35l41_probe);
1312
1313 void cs35l41_remove(struct cs35l41_private *cs35l41)
1314 {
1315         pm_runtime_get_sync(cs35l41->dev);
1316         pm_runtime_disable(cs35l41->dev);
1317
1318         regmap_write(cs35l41->regmap, CS35L41_IRQ1_MASK1, 0xFFFFFFFF);
1319         wm_adsp2_remove(&cs35l41->dsp);
1320         cs35l41_safe_reset(cs35l41->regmap, cs35l41->hw_cfg.bst_type);
1321
1322         pm_runtime_put_noidle(cs35l41->dev);
1323
1324         regulator_bulk_disable(CS35L41_NUM_SUPPLIES, cs35l41->supplies);
1325         gpiod_set_value_cansleep(cs35l41->reset_gpio, 0);
1326 }
1327 EXPORT_SYMBOL_GPL(cs35l41_remove);
1328
1329 static int __maybe_unused cs35l41_runtime_suspend(struct device *dev)
1330 {
1331         struct cs35l41_private *cs35l41 = dev_get_drvdata(dev);
1332
1333         dev_dbg(cs35l41->dev, "Runtime suspend\n");
1334
1335         if (!cs35l41->dsp.preloaded || !cs35l41->dsp.cs_dsp.running)
1336                 return 0;
1337
1338         dev_dbg(cs35l41->dev, "Enter hibernate\n");
1339
1340         cs35l41_safe_reset(cs35l41->regmap, cs35l41->hw_cfg.bst_type);
1341         regmap_write(cs35l41->regmap, CS35L41_WAKESRC_CTL, 0x0088);
1342         regmap_write(cs35l41->regmap, CS35L41_WAKESRC_CTL, 0x0188);
1343
1344         // Don't wait for ACK since bus activity would wake the device
1345         regmap_write(cs35l41->regmap, CS35L41_DSP_VIRT1_MBOX_1,
1346                      CSPL_MBOX_CMD_HIBERNATE);
1347
1348         regcache_cache_only(cs35l41->regmap, true);
1349         regcache_mark_dirty(cs35l41->regmap);
1350
1351         return 0;
1352 }
1353
1354 static void cs35l41_wait_for_pwrmgt_sts(struct cs35l41_private *cs35l41)
1355 {
1356         const int pwrmgt_retries = 10;
1357         unsigned int sts;
1358         int i, ret;
1359
1360         for (i = 0; i < pwrmgt_retries; i++) {
1361                 ret = regmap_read(cs35l41->regmap, CS35L41_PWRMGT_STS, &sts);
1362                 if (ret)
1363                         dev_err(cs35l41->dev, "Failed to read PWRMGT_STS: %d\n", ret);
1364                 else if (!(sts & CS35L41_WR_PEND_STS_MASK))
1365                         return;
1366
1367                 udelay(20);
1368         }
1369
1370         dev_err(cs35l41->dev, "Timed out reading PWRMGT_STS\n");
1371 }
1372
1373 static int cs35l41_exit_hibernate(struct cs35l41_private *cs35l41)
1374 {
1375         const int wake_retries = 20;
1376         const int sleep_retries = 5;
1377         int ret, i, j;
1378
1379         for (i = 0; i < sleep_retries; i++) {
1380                 dev_dbg(cs35l41->dev, "Exit hibernate\n");
1381
1382                 for (j = 0; j < wake_retries; j++) {
1383                         ret = cs35l41_set_cspl_mbox_cmd(cs35l41->dev, cs35l41->regmap,
1384                                                         CSPL_MBOX_CMD_OUT_OF_HIBERNATE);
1385                         if (!ret)
1386                                 break;
1387
1388                         usleep_range(100, 200);
1389                 }
1390
1391                 if (j < wake_retries) {
1392                         dev_dbg(cs35l41->dev, "Wake success at cycle: %d\n", j);
1393                         return 0;
1394                 }
1395
1396                 dev_err(cs35l41->dev, "Wake failed, re-enter hibernate: %d\n", ret);
1397
1398                 cs35l41_wait_for_pwrmgt_sts(cs35l41);
1399                 regmap_write(cs35l41->regmap, CS35L41_WAKESRC_CTL, 0x0088);
1400
1401                 cs35l41_wait_for_pwrmgt_sts(cs35l41);
1402                 regmap_write(cs35l41->regmap, CS35L41_WAKESRC_CTL, 0x0188);
1403
1404                 cs35l41_wait_for_pwrmgt_sts(cs35l41);
1405                 regmap_write(cs35l41->regmap, CS35L41_PWRMGT_CTL, 0x3);
1406         }
1407
1408         dev_err(cs35l41->dev, "Timed out waking device\n");
1409
1410         return -ETIMEDOUT;
1411 }
1412
1413 static int __maybe_unused cs35l41_runtime_resume(struct device *dev)
1414 {
1415         struct cs35l41_private *cs35l41 = dev_get_drvdata(dev);
1416         int ret;
1417
1418         dev_dbg(cs35l41->dev, "Runtime resume\n");
1419
1420         if (!cs35l41->dsp.preloaded || !cs35l41->dsp.cs_dsp.running)
1421                 return 0;
1422
1423         regcache_cache_only(cs35l41->regmap, false);
1424
1425         ret = cs35l41_exit_hibernate(cs35l41);
1426         if (ret)
1427                 return ret;
1428
1429         /* Test key needs to be unlocked to allow the OTP settings to re-apply */
1430         cs35l41_test_key_unlock(cs35l41->dev, cs35l41->regmap);
1431         ret = regcache_sync(cs35l41->regmap);
1432         cs35l41_test_key_lock(cs35l41->dev, cs35l41->regmap);
1433         if (ret) {
1434                 dev_err(cs35l41->dev, "Failed to restore register cache: %d\n", ret);
1435                 return ret;
1436         }
1437         cs35l41_init_boost(cs35l41->dev, cs35l41->regmap, &cs35l41->hw_cfg);
1438
1439         return 0;
1440 }
1441
1442 static int __maybe_unused cs35l41_sys_suspend(struct device *dev)
1443 {
1444         struct cs35l41_private *cs35l41 = dev_get_drvdata(dev);
1445
1446         dev_dbg(cs35l41->dev, "System suspend, disabling IRQ\n");
1447         disable_irq(cs35l41->irq);
1448
1449         return 0;
1450 }
1451
1452 static int __maybe_unused cs35l41_sys_suspend_noirq(struct device *dev)
1453 {
1454         struct cs35l41_private *cs35l41 = dev_get_drvdata(dev);
1455
1456         dev_dbg(cs35l41->dev, "Late system suspend, reenabling IRQ\n");
1457         enable_irq(cs35l41->irq);
1458
1459         return 0;
1460 }
1461
1462 static int __maybe_unused cs35l41_sys_resume_noirq(struct device *dev)
1463 {
1464         struct cs35l41_private *cs35l41 = dev_get_drvdata(dev);
1465
1466         dev_dbg(cs35l41->dev, "Early system resume, disabling IRQ\n");
1467         disable_irq(cs35l41->irq);
1468
1469         return 0;
1470 }
1471
1472 static int __maybe_unused cs35l41_sys_resume(struct device *dev)
1473 {
1474         struct cs35l41_private *cs35l41 = dev_get_drvdata(dev);
1475
1476         dev_dbg(cs35l41->dev, "System resume, reenabling IRQ\n");
1477         enable_irq(cs35l41->irq);
1478
1479         return 0;
1480 }
1481
1482 const struct dev_pm_ops cs35l41_pm_ops = {
1483         SET_RUNTIME_PM_OPS(cs35l41_runtime_suspend, cs35l41_runtime_resume, NULL)
1484
1485         SET_SYSTEM_SLEEP_PM_OPS(cs35l41_sys_suspend, cs35l41_sys_resume)
1486         SET_NOIRQ_SYSTEM_SLEEP_PM_OPS(cs35l41_sys_suspend_noirq, cs35l41_sys_resume_noirq)
1487 };
1488 EXPORT_SYMBOL_GPL(cs35l41_pm_ops);
1489
1490 MODULE_DESCRIPTION("ASoC CS35L41 driver");
1491 MODULE_AUTHOR("David Rhodes, Cirrus Logic Inc, <david.rhodes@cirrus.com>");
1492 MODULE_LICENSE("GPL");