sound/pci/hda/tas2781_hda_i2c.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 //
   3 // TAS2781 HDA I2C driver
   4 //
   5 // Copyright 2023 Texas Instruments, Inc.
   6 //
   7 // Author: Shenghao Ding <shenghao-ding@ti.com>
   8
   9 #include <linux/acpi.h>
  10 #include <linux/crc8.h>
  11 #include <linux/crc32.h>
  12 #include <linux/efi.h>
  13 #include <linux/firmware.h>
  14 #include <linux/i2c.h>
  15 #include <linux/mod_devicetable.h>
  16 #include <linux/module.h>
  17 #include <linux/pm_runtime.h>
  18 #include <linux/regmap.h>
  19 #include <sound/hda_codec.h>
  20 #include <sound/soc.h>
  21 #include <sound/tas2781.h>
  22 #include <sound/tlv.h>
  23 #include <sound/tas2781-tlv.h>
  24
  25 #include "hda_local.h"
  26 #include "hda_auto_parser.h"
  27 #include "hda_component.h"
  28 #include "hda_jack.h"
  29 #include "hda_generic.h"
  30
  31 #define TASDEVICE_SPEAKER_CALIBRATION_SIZE      20
  32
  33 /* No standard control callbacks for SNDRV_CTL_ELEM_IFACE_CARD
  34  * Define two controls, one is Volume control callbacks, the other is
  35  * flag setting control callbacks.
  36  */
  37
  38 /* Volume control callbacks for tas2781 */
  39 #define ACARD_SINGLE_RANGE_EXT_TLV(xname, xreg, xshift, xmin, xmax, xinvert, \
  40         xhandler_get, xhandler_put, tlv_array) \
  41 {       .iface = SNDRV_CTL_ELEM_IFACE_CARD, .name = (xname),\
  42         .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
  43                  SNDRV_CTL_ELEM_ACCESS_READWRITE,\
  44         .tlv.p = (tlv_array), \
  45         .info = snd_soc_info_volsw_range, \
  46         .get = xhandler_get, .put = xhandler_put, \
  47         .private_value = (unsigned long)&(struct soc_mixer_control) \
  48                 {.reg = xreg, .rreg = xreg, .shift = xshift, \
  49                  .rshift = xshift, .min = xmin, .max = xmax, \
  50                  .invert = xinvert} }
  51
  52 /* Flag control callbacks for tas2781 */
  53 #define ACARD_SINGLE_BOOL_EXT(xname, xdata, xhandler_get, xhandler_put) \
  54 {       .iface = SNDRV_CTL_ELEM_IFACE_CARD, .name = xname, \
  55         .info = snd_ctl_boolean_mono_info, \
  56         .get = xhandler_get, .put = xhandler_put, \
  57         .private_value = xdata }
  58
  59 enum calib_data {
  60         R0_VAL = 0,
  61         INV_R0,
  62         R0LOW,
  63         POWER,
  64         TLIM,
  65         CALIB_MAX
  66 };
  67
  68 static int tas2781_get_i2c_res(struct acpi_resource *ares, void *data)
  69 {
  70         struct tasdevice_priv *tas_priv = data;
  71         struct acpi_resource_i2c_serialbus *sb;
  72
  73         if (i2c_acpi_get_i2c_resource(ares, &sb)) {
  74                 if (tas_priv->ndev < TASDEVICE_MAX_CHANNELS &&
  75                         sb->slave_address != TAS2781_GLOBAL_ADDR) {
  76                         tas_priv->tasdevice[tas_priv->ndev].dev_addr =
  77                                 (unsigned int)sb->slave_address;
  78                         tas_priv->ndev++;
  79                 }
  80         }
  81         return 1;
  82 }
  83
  84 static int tas2781_read_acpi(struct tasdevice_priv *p, const char *hid)
  85 {
  86         struct acpi_device *adev;
  87         struct device *physdev;
  88         LIST_HEAD(resources);
  89         const char *sub;
  90         int ret;
  91
  92         adev = acpi_dev_get_first_match_dev(hid, NULL, -1);
  93         if (!adev) {
  94                 dev_err(p->dev,
  95                         "Failed to find an ACPI device for %s\n", hid);
  96                 return -ENODEV;
  97         }
  98
  99         ret = acpi_dev_get_resources(adev, &resources, tas2781_get_i2c_res, p);
 100         if (ret < 0)
 101                 goto err;
 102
 103         acpi_dev_free_resource_list(&resources);
 104         strscpy(p->dev_name, hid, sizeof(p->dev_name));
 105         physdev = get_device(acpi_get_first_physical_node(adev));
 106         acpi_dev_put(adev);
 107
 108         /* No side-effect to the playback even if subsystem_id is NULL*/
 109         sub = acpi_get_subsystem_id(ACPI_HANDLE(physdev));
 110         if (IS_ERR(sub))
 111                 sub = NULL;
 112
 113         p->acpi_subsystem_id = sub;
 114
 115         put_device(physdev);
 116
 117         return 0;
 118
 119 err:
 120         dev_err(p->dev, "read acpi error, ret: %d\n", ret);
 121         acpi_dev_put(adev);
 122
 123         return ret;
 124 }
 125
 126 static void tas2781_hda_playback_hook(struct device *dev, int action)
 127 {
 128         struct tasdevice_priv *tas_priv = dev_get_drvdata(dev);
 129
 130         dev_dbg(tas_priv->dev, "%s: action = %d\n", __func__, action);
 131         switch (action) {
 132         case HDA_GEN_PCM_ACT_OPEN:
 133                 pm_runtime_get_sync(dev);
 134                 mutex_lock(&tas_priv->codec_lock);
 135                 tasdevice_tuning_switch(tas_priv, 0);
 136                 mutex_unlock(&tas_priv->codec_lock);
 137                 break;
 138         case HDA_GEN_PCM_ACT_CLOSE:
 139                 mutex_lock(&tas_priv->codec_lock);
 140                 tasdevice_tuning_switch(tas_priv, 1);
 141                 mutex_unlock(&tas_priv->codec_lock);
 142
 143                 pm_runtime_mark_last_busy(dev);
 144                 pm_runtime_put_autosuspend(dev);
 145                 break;
 146         default:
 147                 dev_dbg(tas_priv->dev, "Playback action not supported: %d\n",
 148                         action);
 149                 break;
 150         }
 151 }
 152
 153 static int tasdevice_info_profile(struct snd_kcontrol *kcontrol,
 154                         struct snd_ctl_elem_info *uinfo)
 155 {
 156         struct tasdevice_priv *tas_priv = snd_kcontrol_chip(kcontrol);
 157
 158         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 159         uinfo->count = 1;
 160         uinfo->value.integer.min = 0;
 161         uinfo->value.integer.max = tas_priv->rcabin.ncfgs - 1;
 162
 163         return 0;
 164 }
 165
 166 static int tasdevice_get_profile_id(struct snd_kcontrol *kcontrol,
 167                         struct snd_ctl_elem_value *ucontrol)
 168 {
 169         struct tasdevice_priv *tas_priv = snd_kcontrol_chip(kcontrol);
 170
 171         ucontrol->value.integer.value[0] = tas_priv->rcabin.profile_cfg_id;
 172
 173         return 0;
 174 }
 175
 176 static int tasdevice_set_profile_id(struct snd_kcontrol *kcontrol,
 177                 struct snd_ctl_elem_value *ucontrol)
 178 {
 179         struct tasdevice_priv *tas_priv = snd_kcontrol_chip(kcontrol);
 180         int nr_profile = ucontrol->value.integer.value[0];
 181         int max = tas_priv->rcabin.ncfgs - 1;
 182         int val, ret = 0;
 183
 184         val = clamp(nr_profile, 0, max);
 185
 186         if (tas_priv->rcabin.profile_cfg_id != val) {
 187                 tas_priv->rcabin.profile_cfg_id = val;
 188                 ret = 1;
 189         }
 190
 191         return ret;
 192 }
 193
 194 static int tasdevice_info_programs(struct snd_kcontrol *kcontrol,
 195                         struct snd_ctl_elem_info *uinfo)
 196 {
 197         struct tasdevice_priv *tas_priv = snd_kcontrol_chip(kcontrol);
 198         struct tasdevice_fw *tas_fw = tas_priv->fmw;
 199
 200         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 201         uinfo->count = 1;
 202         uinfo->value.integer.min = 0;
 203         uinfo->value.integer.max = tas_fw->nr_programs - 1;
 204
 205         return 0;
 206 }
 207
 208 static int tasdevice_info_config(struct snd_kcontrol *kcontrol,
 209         struct snd_ctl_elem_info *uinfo)
 210 {
 211         struct tasdevice_priv *tas_priv = snd_kcontrol_chip(kcontrol);
 212         struct tasdevice_fw *tas_fw = tas_priv->fmw;
 213
 214         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 215         uinfo->count = 1;
 216         uinfo->value.integer.min = 0;
 217         uinfo->value.integer.max = tas_fw->nr_configurations - 1;
 218
 219         return 0;
 220 }
 221
 222 static int tasdevice_program_get(struct snd_kcontrol *kcontrol,
 223         struct snd_ctl_elem_value *ucontrol)
 224 {
 225         struct tasdevice_priv *tas_priv = snd_kcontrol_chip(kcontrol);
 226
 227         ucontrol->value.integer.value[0] = tas_priv->cur_prog;
 228
 229         return 0;
 230 }
 231
 232 static int tasdevice_program_put(struct snd_kcontrol *kcontrol,
 233         struct snd_ctl_elem_value *ucontrol)
 234 {
 235         struct tasdevice_priv *tas_priv = snd_kcontrol_chip(kcontrol);
 236         struct tasdevice_fw *tas_fw = tas_priv->fmw;
 237         int nr_program = ucontrol->value.integer.value[0];
 238         int max = tas_fw->nr_programs - 1;
 239         int val, ret = 0;
 240
 241         val = clamp(nr_program, 0, max);
 242
 243         if (tas_priv->cur_prog != val) {
 244                 tas_priv->cur_prog = val;
 245                 ret = 1;
 246         }
 247
 248         return ret;
 249 }
 250
 251 static int tasdevice_config_get(struct snd_kcontrol *kcontrol,
 252         struct snd_ctl_elem_value *ucontrol)
 253 {
 254         struct tasdevice_priv *tas_priv = snd_kcontrol_chip(kcontrol);
 255
 256         ucontrol->value.integer.value[0] = tas_priv->cur_conf;
 257
 258         return 0;
 259 }
 260
 261 static int tasdevice_config_put(struct snd_kcontrol *kcontrol,
 262         struct snd_ctl_elem_value *ucontrol)
 263 {
 264         struct tasdevice_priv *tas_priv = snd_kcontrol_chip(kcontrol);
 265         struct tasdevice_fw *tas_fw = tas_priv->fmw;
 266         int nr_config = ucontrol->value.integer.value[0];
 267         int max = tas_fw->nr_configurations - 1;
 268         int val, ret = 0;
 269
 270         val = clamp(nr_config, 0, max);
 271
 272         if (tas_priv->cur_conf != val) {
 273                 tas_priv->cur_conf = val;
 274                 ret = 1;
 275         }
 276
 277         return ret;
 278 }
 279
 280 /*
 281  * tas2781_digital_getvol - get the volum control
 282  * @kcontrol: control pointer
 283  * @ucontrol: User data
 284  * Customer Kcontrol for tas2781 is primarily for regmap booking, paging
 285  * depends on internal regmap mechanism.
 286  * tas2781 contains book and page two-level register map, especially
 287  * book switching will set the register BXXP00R7F, after switching to the
 288  * correct book, then leverage the mechanism for paging to access the
 289  * register.
 290  */
 291 static int tas2781_digital_getvol(struct snd_kcontrol *kcontrol,
 292         struct snd_ctl_elem_value *ucontrol)
 293 {
 294         struct tasdevice_priv *tas_priv = snd_kcontrol_chip(kcontrol);
 295         struct soc_mixer_control *mc =
 296                 (struct soc_mixer_control *)kcontrol->private_value;
 297
 298         return tasdevice_digital_getvol(tas_priv, ucontrol, mc);
 299 }
 300
 301 static int tas2781_amp_getvol(struct snd_kcontrol *kcontrol,
 302         struct snd_ctl_elem_value *ucontrol)
 303 {
 304         struct tasdevice_priv *tas_priv = snd_kcontrol_chip(kcontrol);
 305         struct soc_mixer_control *mc =
 306                 (struct soc_mixer_control *)kcontrol->private_value;
 307
 308         return tasdevice_amp_getvol(tas_priv, ucontrol, mc);
 309 }
 310
 311 static int tas2781_digital_putvol(struct snd_kcontrol *kcontrol,
 312         struct snd_ctl_elem_value *ucontrol)
 313 {
 314         struct tasdevice_priv *tas_priv = snd_kcontrol_chip(kcontrol);
 315         struct soc_mixer_control *mc =
 316                 (struct soc_mixer_control *)kcontrol->private_value;
 317
 318         /* The check of the given value is in tasdevice_digital_putvol. */
 319         return tasdevice_digital_putvol(tas_priv, ucontrol, mc);
 320 }
 321
 322 static int tas2781_amp_putvol(struct snd_kcontrol *kcontrol,
 323         struct snd_ctl_elem_value *ucontrol)
 324 {
 325         struct tasdevice_priv *tas_priv = snd_kcontrol_chip(kcontrol);
 326         struct soc_mixer_control *mc =
 327                 (struct soc_mixer_control *)kcontrol->private_value;
 328
 329         /* The check of the given value is in tasdevice_amp_putvol. */
 330         return tasdevice_amp_putvol(tas_priv, ucontrol, mc);
 331 }
 332
 333 static int tas2781_force_fwload_get(struct snd_kcontrol *kcontrol,
 334         struct snd_ctl_elem_value *ucontrol)
 335 {
 336         struct tasdevice_priv *tas_priv = snd_kcontrol_chip(kcontrol);
 337
 338         ucontrol->value.integer.value[0] = (int)tas_priv->force_fwload_status;
 339         dev_dbg(tas_priv->dev, "%s : Force FWload %s\n", __func__,
 340                         tas_priv->force_fwload_status ? "ON" : "OFF");
 341
 342         return 0;
 343 }
 344
 345 static int tas2781_force_fwload_put(struct snd_kcontrol *kcontrol,
 346         struct snd_ctl_elem_value *ucontrol)
 347 {
 348         struct tasdevice_priv *tas_priv = snd_kcontrol_chip(kcontrol);
 349         bool change, val = (bool)ucontrol->value.integer.value[0];
 350
 351         if (tas_priv->force_fwload_status == val)
 352                 change = false;
 353         else {
 354                 change = true;
 355                 tas_priv->force_fwload_status = val;
 356         }
 357         dev_dbg(tas_priv->dev, "%s : Force FWload %s\n", __func__,
 358                 tas_priv->force_fwload_status ? "ON" : "OFF");
 359
 360         return change;
 361 }
 362
 363 static const struct snd_kcontrol_new tas2781_snd_controls[] = {
 364         ACARD_SINGLE_RANGE_EXT_TLV("Speaker Analog Gain", TAS2781_AMP_LEVEL,
 365                 1, 0, 20, 0, tas2781_amp_getvol,
 366                 tas2781_amp_putvol, amp_vol_tlv),
 367         ACARD_SINGLE_RANGE_EXT_TLV("Speaker Digital Gain", TAS2781_DVC_LVL,
 368                 0, 0, 200, 1, tas2781_digital_getvol,
 369                 tas2781_digital_putvol, dvc_tlv),
 370         ACARD_SINGLE_BOOL_EXT("Speaker Force Firmware Load", 0,
 371                 tas2781_force_fwload_get, tas2781_force_fwload_put),
 372 };
 373
 374 static const struct snd_kcontrol_new tas2781_prof_ctrl = {
 375         .name = "Speaker Profile Id",
 376         .iface = SNDRV_CTL_ELEM_IFACE_CARD,
 377         .info = tasdevice_info_profile,
 378         .get = tasdevice_get_profile_id,
 379         .put = tasdevice_set_profile_id,
 380 };
 381
 382 static const struct snd_kcontrol_new tas2781_dsp_prog_ctrl = {
 383         .name = "Speaker Program Id",
 384         .iface = SNDRV_CTL_ELEM_IFACE_CARD,
 385         .info = tasdevice_info_programs,
 386         .get = tasdevice_program_get,
 387         .put = tasdevice_program_put,
 388 };
 389
 390 static const struct snd_kcontrol_new tas2781_dsp_conf_ctrl = {
 391         .name = "Speaker Config Id",
 392         .iface = SNDRV_CTL_ELEM_IFACE_CARD,
 393         .info = tasdevice_info_config,
 394         .get = tasdevice_config_get,
 395         .put = tasdevice_config_put,
 396 };
 397
 398 static void tas2781_apply_calib(struct tasdevice_priv *tas_priv)
 399 {
 400         static const unsigned char page_array[CALIB_MAX] = {
 401                 0x17, 0x18, 0x18, 0x0d, 0x18
 402         };
 403         static const unsigned char rgno_array[CALIB_MAX] = {
 404                 0x74, 0x0c, 0x14, 0x3c, 0x7c
 405         };
 406         unsigned char *data;
 407         int i, j, rc;
 408
 409         for (i = 0; i < tas_priv->ndev; i++) {
 410                 data = tas_priv->cali_data.data +
 411                         i * TASDEVICE_SPEAKER_CALIBRATION_SIZE;
 412                 for (j = 0; j < CALIB_MAX; j++) {
 413                         rc = tasdevice_dev_bulk_write(tas_priv, i,
 414                                 TASDEVICE_REG(0, page_array[j], rgno_array[j]),
 415                                 &(data[4 * j]), 4);
 416                         if (rc < 0)
 417                                 dev_err(tas_priv->dev,
 418                                         "chn %d calib %d bulk_wr err = %d\n",
 419                                         i, j, rc);
 420                 }
 421         }
 422 }
 423
 424 /* Update the calibrate data, including speaker impedance, f0, etc, into algo.
 425  * Calibrate data is done by manufacturer in the factory. These data are used
 426  * by Algo for calucating the speaker temperature, speaker membrance excursion
 427  * and f0 in real time during playback.
 428  */
 429 static int tas2781_save_calibration(struct tasdevice_priv *tas_priv)
 430 {
 431         efi_guid_t efi_guid = EFI_GUID(0x02f9af02, 0x7734, 0x4233, 0xb4, 0x3d,
 432                 0x93, 0xfe, 0x5a, 0xa3, 0x5d, 0xb3);
 433         static efi_char16_t efi_name[] = L"CALI_DATA";
 434         struct tm *tm = &tas_priv->tm;
 435         unsigned int attr, crc;
 436         unsigned int *tmp_val;
 437         efi_status_t status;
 438
 439         /* Lenovo devices */
 440         if (tas_priv->catlog_id == LENOVO)
 441                 efi_guid = EFI_GUID(0x1f52d2a1, 0xbb3a, 0x457d, 0xbc, 0x09,
 442                         0x43, 0xa3, 0xf4, 0x31, 0x0a, 0x92);
 443
 444         tas_priv->cali_data.total_sz = 0;
 445         /* Get real size of UEFI variable */
 446         status = efi.get_variable(efi_name, &efi_guid, &attr,
 447                 &tas_priv->cali_data.total_sz, tas_priv->cali_data.data);
 448         if (status == EFI_BUFFER_TOO_SMALL) {
 449                 /* Allocate data buffer of data_size bytes */
 450                 tas_priv->cali_data.data = devm_kzalloc(tas_priv->dev,
 451                         tas_priv->cali_data.total_sz, GFP_KERNEL);
 452                 if (!tas_priv->cali_data.data)
 453                         return -ENOMEM;
 454                 /* Get variable contents into buffer */
 455                 status = efi.get_variable(efi_name, &efi_guid, &attr,
 456                         &tas_priv->cali_data.total_sz,
 457                         tas_priv->cali_data.data);
 458                 if (status != EFI_SUCCESS)
 459                         return -EINVAL;
 460         }
 461
 462         tmp_val = (unsigned int *)tas_priv->cali_data.data;
 463
 464         crc = crc32(~0, tas_priv->cali_data.data, 84) ^ ~0;
 465         dev_dbg(tas_priv->dev, "cali crc 0x%08x PK tmp_val 0x%08x\n",
 466                 crc, tmp_val[21]);
 467
 468         if (crc == tmp_val[21]) {
 469                 time64_to_tm(tmp_val[20], 0, tm);
 470                 dev_dbg(tas_priv->dev, "%4ld-%2d-%2d, %2d:%2d:%2d\n",
 471                         tm->tm_year, tm->tm_mon, tm->tm_mday,
 472                         tm->tm_hour, tm->tm_min, tm->tm_sec);
 473                 tas2781_apply_calib(tas_priv);
 474         } else
 475                 tas_priv->cali_data.total_sz = 0;
 476
 477         return 0;
 478 }
 479
 480 static void tasdev_fw_ready(const struct firmware *fmw, void *context)
 481 {
 482         struct tasdevice_priv *tas_priv = context;
 483         struct hda_codec *codec = tas_priv->codec;
 484         int i, ret;
 485
 486         pm_runtime_get_sync(tas_priv->dev);
 487         mutex_lock(&tas_priv->codec_lock);
 488
 489         ret = tasdevice_rca_parser(tas_priv, fmw);
 490         if (ret)
 491                 goto out;
 492
 493         ret = snd_ctl_add(codec->card,
 494                 snd_ctl_new1(&tas2781_prof_ctrl, tas_priv));
 495         if (ret) {
 496                 dev_err(tas_priv->dev,
 497                         "Failed to add KControl %s = %d\n",
 498                         tas2781_prof_ctrl.name, ret);
 499                 goto out;
 500         }
 501
 502         for (i = 0; i < ARRAY_SIZE(tas2781_snd_controls); i++) {
 503                 ret = snd_ctl_add(codec->card,
 504                         snd_ctl_new1(&tas2781_snd_controls[i], tas_priv));
 505                 if (ret) {
 506                         dev_err(tas_priv->dev,
 507                                 "Failed to add KControl %s = %d\n",
 508                                 tas2781_snd_controls[i].name, ret);
 509                         goto out;
 510                 }
 511         }
 512
 513         tasdevice_dsp_remove(tas_priv);
 514
 515         tas_priv->fw_state = TASDEVICE_DSP_FW_PENDING;
 516         scnprintf(tas_priv->coef_binaryname, 64, "TAS2XXX%04X.bin",
 517                 codec->core.subsystem_id & 0xffff);
 518         ret = tasdevice_dsp_parser(tas_priv);
 519         if (ret) {
 520                 dev_err(tas_priv->dev, "dspfw load %s error\n",
 521                         tas_priv->coef_binaryname);
 522                 tas_priv->fw_state = TASDEVICE_DSP_FW_FAIL;
 523                 goto out;
 524         }
 525
 526         ret = snd_ctl_add(codec->card,
 527                 snd_ctl_new1(&tas2781_dsp_prog_ctrl, tas_priv));
 528         if (ret) {
 529                 dev_err(tas_priv->dev,
 530                         "Failed to add KControl %s = %d\n",
 531                         tas2781_dsp_prog_ctrl.name, ret);
 532                 goto out;
 533         }
 534
 535         ret = snd_ctl_add(codec->card,
 536                 snd_ctl_new1(&tas2781_dsp_conf_ctrl, tas_priv));
 537         if (ret) {
 538                 dev_err(tas_priv->dev,
 539                         "Failed to add KControl %s = %d\n",
 540                         tas2781_dsp_conf_ctrl.name, ret);
 541                 goto out;
 542         }
 543
 544         tas_priv->fw_state = TASDEVICE_DSP_FW_ALL_OK;
 545         tasdevice_prmg_load(tas_priv, 0);
 546
 547         /* If calibrated data occurs error, dsp will still works with default
 548          * calibrated data inside algo.
 549          */
 550         tas2781_save_calibration(tas_priv);
 551
 552 out:
 553         if (tas_priv->fw_state == TASDEVICE_DSP_FW_FAIL) {
 554                 /*If DSP FW fail, kcontrol won't be created */
 555                 tasdevice_config_info_remove(tas_priv);
 556                 tasdevice_dsp_remove(tas_priv);
 557         }
 558         mutex_unlock(&tas_priv->codec_lock);
 559         if (fmw)
 560                 release_firmware(fmw);
 561         pm_runtime_mark_last_busy(tas_priv->dev);
 562         pm_runtime_put_autosuspend(tas_priv->dev);
 563 }
 564
 565 static int tas2781_hda_bind(struct device *dev, struct device *master,
 566         void *master_data)
 567 {
 568         struct tasdevice_priv *tas_priv = dev_get_drvdata(dev);
 569         struct hda_component *comps = master_data;
 570         struct hda_codec *codec;
 571         unsigned int subid;
 572         int ret;
 573
 574         if (!comps || tas_priv->index < 0 ||
 575                 tas_priv->index >= HDA_MAX_COMPONENTS)
 576                 return -EINVAL;
 577
 578         comps = &comps[tas_priv->index];
 579         if (comps->dev)
 580                 return -EBUSY;
 581
 582         codec = comps->codec;
 583         subid = codec->core.subsystem_id >> 16;
 584
 585         switch (subid) {
 586         case 0x17aa:
 587                 tas_priv->catlog_id = LENOVO;
 588                 break;
 589         default:
 590                 tas_priv->catlog_id = OTHERS;
 591                 break;
 592         }
 593
 594         pm_runtime_get_sync(dev);
 595
 596         comps->dev = dev;
 597
 598         strscpy(comps->name, dev_name(dev), sizeof(comps->name));
 599
 600         ret = tascodec_init(tas_priv, codec, tasdev_fw_ready);
 601         if (!ret)
 602                 comps->playback_hook = tas2781_hda_playback_hook;
 603
 604         pm_runtime_mark_last_busy(dev);
 605         pm_runtime_put_autosuspend(dev);
 606
 607         return ret;
 608 }
 609
 610 static void tas2781_hda_unbind(struct device *dev,
 611         struct device *master, void *master_data)
 612 {
 613         struct tasdevice_priv *tas_priv = dev_get_drvdata(dev);
 614         struct hda_component *comps = master_data;
 615         comps = &comps[tas_priv->index];
 616
 617         if (comps->dev == dev) {
 618                 comps->dev = NULL;
 619                 memset(comps->name, 0, sizeof(comps->name));
 620                 comps->playback_hook = NULL;
 621         }
 622
 623         tasdevice_config_info_remove(tas_priv);
 624         tasdevice_dsp_remove(tas_priv);
 625
 626         tas_priv->fw_state = TASDEVICE_DSP_FW_PENDING;
 627 }
 628
 629 static const struct component_ops tas2781_hda_comp_ops = {
 630         .bind = tas2781_hda_bind,
 631         .unbind = tas2781_hda_unbind,
 632 };
 633
 634 static void tas2781_hda_remove(struct device *dev)
 635 {
 636         struct tasdevice_priv *tas_priv = dev_get_drvdata(dev);
 637
 638         pm_runtime_get_sync(tas_priv->dev);
 639         pm_runtime_disable(tas_priv->dev);
 640
 641         component_del(tas_priv->dev, &tas2781_hda_comp_ops);
 642
 643         pm_runtime_put_noidle(tas_priv->dev);
 644
 645         tasdevice_remove(tas_priv);
 646 }
 647
 648 static int tas2781_hda_i2c_probe(struct i2c_client *clt)
 649 {
 650         struct tasdevice_priv *tas_priv;
 651         const char *device_name;
 652         int ret;
 653
 654         if (strstr(dev_name(&clt->dev), "TIAS2781"))
 655                 device_name = "TIAS2781";
 656         else
 657                 return -ENODEV;
 658
 659         tas_priv = tasdevice_kzalloc(clt);
 660         if (!tas_priv)
 661                 return -ENOMEM;
 662
 663         tas_priv->irq_info.irq = clt->irq;
 664         ret = tas2781_read_acpi(tas_priv, device_name);
 665         if (ret)
 666                 return dev_err_probe(tas_priv->dev, ret,
 667                         "Platform not supported\n");
 668
 669         ret = tasdevice_init(tas_priv);
 670         if (ret)
 671                 goto err;
 672
 673         pm_runtime_set_autosuspend_delay(tas_priv->dev, 3000);
 674         pm_runtime_use_autosuspend(tas_priv->dev);
 675         pm_runtime_mark_last_busy(tas_priv->dev);
 676         pm_runtime_set_active(tas_priv->dev);
 677         pm_runtime_get_noresume(tas_priv->dev);
 678         pm_runtime_enable(tas_priv->dev);
 679
 680         pm_runtime_put_autosuspend(tas_priv->dev);
 681
 682         ret = component_add(tas_priv->dev, &tas2781_hda_comp_ops);
 683         if (ret) {
 684                 dev_err(tas_priv->dev, "Register component failed: %d\n", ret);
 685                 pm_runtime_disable(tas_priv->dev);
 686                 goto err;
 687         }
 688
 689         tas2781_reset(tas_priv);
 690 err:
 691         if (ret)
 692                 tas2781_hda_remove(&clt->dev);
 693         return ret;
 694 }
 695
 696 static void tas2781_hda_i2c_remove(struct i2c_client *clt)
 697 {
 698         tas2781_hda_remove(&clt->dev);
 699 }
 700
 701 static int tas2781_runtime_suspend(struct device *dev)
 702 {
 703         struct tasdevice_priv *tas_priv = dev_get_drvdata(dev);
 704         int i;
 705
 706         dev_dbg(tas_priv->dev, "Runtime Suspend\n");
 707
 708         mutex_lock(&tas_priv->codec_lock);
 709
 710         if (tas_priv->playback_started) {
 711                 tasdevice_tuning_switch(tas_priv, 1);
 712                 tas_priv->playback_started = false;
 713         }
 714
 715         for (i = 0; i < tas_priv->ndev; i++) {
 716                 tas_priv->tasdevice[i].cur_book = -1;
 717                 tas_priv->tasdevice[i].cur_prog = -1;
 718                 tas_priv->tasdevice[i].cur_conf = -1;
 719         }
 720
 721         regcache_cache_only(tas_priv->regmap, true);
 722         regcache_mark_dirty(tas_priv->regmap);
 723
 724         mutex_unlock(&tas_priv->codec_lock);
 725
 726         return 0;
 727 }
 728
 729 static int tas2781_runtime_resume(struct device *dev)
 730 {
 731         struct tasdevice_priv *tas_priv = dev_get_drvdata(dev);
 732         unsigned long calib_data_sz =
 733                 tas_priv->ndev * TASDEVICE_SPEAKER_CALIBRATION_SIZE;
 734         int ret;
 735
 736         dev_dbg(tas_priv->dev, "Runtime Resume\n");
 737
 738         mutex_lock(&tas_priv->codec_lock);
 739
 740         regcache_cache_only(tas_priv->regmap, false);
 741         ret = regcache_sync(tas_priv->regmap);
 742         if (ret) {
 743                 dev_err(tas_priv->dev,
 744                         "Failed to restore register cache: %d\n", ret);
 745                 goto out;
 746         }
 747
 748         tasdevice_prmg_load(tas_priv, tas_priv->cur_prog);
 749
 750         /* If calibrated data occurs error, dsp will still works with default
 751          * calibrated data inside algo.
 752          */
 753         if (tas_priv->cali_data.total_sz > calib_data_sz)
 754                 tas2781_apply_calib(tas_priv);
 755
 756 out:
 757         mutex_unlock(&tas_priv->codec_lock);
 758
 759         return ret;
 760 }
 761
 762 static int tas2781_system_suspend(struct device *dev)
 763 {
 764         struct tasdevice_priv *tas_priv = dev_get_drvdata(dev);
 765         int ret;
 766
 767         dev_dbg(tas_priv->dev, "System Suspend\n");
 768
 769         ret = pm_runtime_force_suspend(dev);
 770         if (ret)
 771                 return ret;
 772
 773         /* Shutdown chip before system suspend */
 774         regcache_cache_only(tas_priv->regmap, false);
 775         tasdevice_tuning_switch(tas_priv, 1);
 776         regcache_cache_only(tas_priv->regmap, true);
 777         regcache_mark_dirty(tas_priv->regmap);
 778
 779         /*
 780          * Reset GPIO may be shared, so cannot reset here.
 781          * However beyond this point, amps may be powered down.
 782          */
 783         return 0;
 784 }
 785
 786 static int tas2781_system_resume(struct device *dev)
 787 {
 788         struct tasdevice_priv *tas_priv = dev_get_drvdata(dev);
 789         unsigned long calib_data_sz =
 790                 tas_priv->ndev * TASDEVICE_SPEAKER_CALIBRATION_SIZE;
 791         int i, ret;
 792
 793         dev_dbg(tas_priv->dev, "System Resume\n");
 794
 795         ret = pm_runtime_force_resume(dev);
 796         if (ret)
 797                 return ret;
 798
 799         mutex_lock(&tas_priv->codec_lock);
 800
 801         for (i = 0; i < tas_priv->ndev; i++) {
 802                 tas_priv->tasdevice[i].cur_book = -1;
 803                 tas_priv->tasdevice[i].cur_prog = -1;
 804                 tas_priv->tasdevice[i].cur_conf = -1;
 805         }
 806         tas2781_reset(tas_priv);
 807         tasdevice_prmg_load(tas_priv, tas_priv->cur_prog);
 808
 809         /* If calibrated data occurs error, dsp will still work with default
 810          * calibrated data inside algo.
 811          */
 812         if (tas_priv->cali_data.total_sz > calib_data_sz)
 813                 tas2781_apply_calib(tas_priv);
 814         mutex_unlock(&tas_priv->codec_lock);
 815
 816         return 0;
 817 }
 818
 819 static const struct dev_pm_ops tas2781_hda_pm_ops = {
 820         RUNTIME_PM_OPS(tas2781_runtime_suspend, tas2781_runtime_resume, NULL)
 821         SYSTEM_SLEEP_PM_OPS(tas2781_system_suspend, tas2781_system_resume)
 822 };
 823
 824 static const struct i2c_device_id tas2781_hda_i2c_id[] = {
 825         { "tas2781-hda", 0 },
 826         {}
 827 };
 828
 829 static const struct acpi_device_id tas2781_acpi_hda_match[] = {
 830         {"TIAS2781", 0 },
 831         {}
 832 };
 833 MODULE_DEVICE_TABLE(acpi, tas2781_acpi_hda_match);
 834
 835 static struct i2c_driver tas2781_hda_i2c_driver = {
 836         .driver = {
 837                 .name           = "tas2781-hda",
 838                 .acpi_match_table = tas2781_acpi_hda_match,
 839                 .pm             = &tas2781_hda_pm_ops,
 840         },
 841         .id_table       = tas2781_hda_i2c_id,
 842         .probe          = tas2781_hda_i2c_probe,
 843         .remove         = tas2781_hda_i2c_remove,
 844 };
 845 module_i2c_driver(tas2781_hda_i2c_driver);
 846
 847 MODULE_DESCRIPTION("TAS2781 HDA Driver");
 848 MODULE_AUTHOR("Shenghao Ding, TI, <shenghao-ding@ti.com>");
 849 MODULE_LICENSE("GPL");
 850 MODULE_IMPORT_NS(SND_SOC_TAS2781_FMWLIB);