root/sound/soc/intel/atom/sst-atom-controls.c

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DEFINITIONS

This source file includes following definitions.
  1. sst_fill_byte_control
  2. sst_fill_and_send_cmd_unlocked
  3. sst_fill_and_send_cmd
  4. sst_send_slot_map
  5. sst_slot_enum_info
  6. sst_slot_get
  7. sst_check_and_send_slot_map
  8. sst_slot_put
  9. sst_send_algo_cmd
  10. sst_find_and_send_pipe_algo
  11. sst_algo_bytes_ctl_info
  12. sst_algo_control_get
  13. sst_algo_control_set
  14. sst_gain_ctl_info
  15. sst_send_gain_cmd
  16. sst_gain_get
  17. sst_gain_put
  18. sst_send_pipe_module_params
  19. sst_generic_modules_event
  20. fill_swm_input
  21. sst_set_pipe_gain
  22. sst_swm_mixer_event
  23. sst_handle_vb_timer
  24. sst_fill_ssp_slot
  25. sst_get_frame_sync_polarity
  26. sst_get_ssp_mode
  27. sst_fill_ssp_config
  28. sst_fill_ssp_defaults
  29. send_ssp_cmd
  30. sst_set_be_modules
  31. sst_set_media_path
  32. sst_set_media_loop
  33. sst_algo_control_init
  34. is_sst_dapm_widget
  35. sst_send_pipe_gains
  36. sst_fill_module_list
  37. sst_fill_widget_module_info
  38. sst_fill_linked_widgets
  39. sst_map_modules_to_pipe
  40. sst_dsp_init_v2_dpcm

   1 // SPDX-License-Identifier: GPL-2.0-only
   2  /*
   3  *  sst-atom-controls.c - Intel MID Platform driver DPCM ALSA controls for Mrfld
   4  *
   5  *  Copyright (C) 2013-14 Intel Corp
   6  *  Author: Omair Mohammed Abdullah <omair.m.abdullah@intel.com>
   7  *      Vinod Koul <vinod.koul@intel.com>
   8  *  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   9  *
  10  *  In the dpcm driver modelling when a particular FE/BE/Mixer/Pipe is active
  11  *  we forward the settings and parameters, rest we keep the values  in
  12  *  driver and forward when DAPM enables them
  13  * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  14  */
  15 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
  16 
  17 #include <linux/slab.h>
  18 #include <sound/soc.h>
  19 #include <sound/tlv.h>
  20 #include "sst-mfld-platform.h"
  21 #include "sst-atom-controls.h"
  22 
  23 static int sst_fill_byte_control(struct sst_data *drv,
  24                                          u8 ipc_msg, u8 block,
  25                                          u8 task_id, u8 pipe_id,
  26                                          u16 len, void *cmd_data)
  27 {
  28         struct snd_sst_bytes_v2 *byte_data = drv->byte_stream;
  29 
  30         byte_data->type = SST_CMD_BYTES_SET;
  31         byte_data->ipc_msg = ipc_msg;
  32         byte_data->block = block;
  33         byte_data->task_id = task_id;
  34         byte_data->pipe_id = pipe_id;
  35 
  36         if (len > SST_MAX_BIN_BYTES - sizeof(*byte_data)) {
  37                 dev_err(&drv->pdev->dev, "command length too big (%u)", len);
  38                 return -EINVAL;
  39         }
  40         byte_data->len = len;
  41         memcpy(byte_data->bytes, cmd_data, len);
  42         print_hex_dump_bytes("writing to lpe: ", DUMP_PREFIX_OFFSET,
  43                              byte_data, len + sizeof(*byte_data));
  44         return 0;
  45 }
  46 
  47 static int sst_fill_and_send_cmd_unlocked(struct sst_data *drv,
  48                                  u8 ipc_msg, u8 block, u8 task_id, u8 pipe_id,
  49                                  void *cmd_data, u16 len)
  50 {
  51         int ret = 0;
  52 
  53         ret = sst_fill_byte_control(drv, ipc_msg,
  54                                 block, task_id, pipe_id, len, cmd_data);
  55         if (ret < 0)
  56                 return ret;
  57         return sst->ops->send_byte_stream(sst->dev, drv->byte_stream);
  58 }
  59 
  60 /**
  61  * sst_fill_and_send_cmd - generate the IPC message and send it to the FW
  62  * @ipc_msg:    type of IPC (CMD, SET_PARAMS, GET_PARAMS)
  63  * @cmd_data:   the IPC payload
  64  */
  65 static int sst_fill_and_send_cmd(struct sst_data *drv,
  66                                  u8 ipc_msg, u8 block, u8 task_id, u8 pipe_id,
  67                                  void *cmd_data, u16 len)
  68 {
  69         int ret;
  70 
  71         mutex_lock(&drv->lock);
  72         ret = sst_fill_and_send_cmd_unlocked(drv, ipc_msg, block,
  73                                         task_id, pipe_id, cmd_data, len);
  74         mutex_unlock(&drv->lock);
  75 
  76         return ret;
  77 }
  78 
  79 /**
  80  * tx map value is a bitfield where each bit represents a FW channel
  81  *
  82  *                      3 2 1 0         # 0 = codec0, 1 = codec1
  83  *                      RLRLRLRL        # 3, 4 = reserved
  84  *
  85  * e.g. slot 0 rx map = 00001100b -> data from slot 0 goes into codec_in1 L,R
  86  */
  87 static u8 sst_ssp_tx_map[SST_MAX_TDM_SLOTS] = {
  88         0x1, 0x2, 0x4, 0x8, 0x10, 0x20, 0x40, 0x80, /* default rx map */
  89 };
  90 
  91 /**
  92  * rx map value is a bitfield where each bit represents a slot
  93  *
  94  *                        76543210      # 0 = slot 0, 1 = slot 1
  95  *
  96  * e.g. codec1_0 tx map = 00000101b -> data from codec_out1_0 goes into slot 0, 2
  97  */
  98 static u8 sst_ssp_rx_map[SST_MAX_TDM_SLOTS] = {
  99         0x1, 0x2, 0x4, 0x8, 0x10, 0x20, 0x40, 0x80, /* default tx map */
 100 };
 101 
 102 /**
 103  * NOTE: this is invoked with lock held
 104  */
 105 static int sst_send_slot_map(struct sst_data *drv)
 106 {
 107         struct sst_param_sba_ssp_slot_map cmd;
 108 
 109         SST_FILL_DEFAULT_DESTINATION(cmd.header.dst);
 110         cmd.header.command_id = SBA_SET_SSP_SLOT_MAP;
 111         cmd.header.length = sizeof(struct sst_param_sba_ssp_slot_map)
 112                                 - sizeof(struct sst_dsp_header);
 113 
 114         cmd.param_id = SBA_SET_SSP_SLOT_MAP;
 115         cmd.param_len = sizeof(cmd.rx_slot_map) + sizeof(cmd.tx_slot_map)
 116                                         + sizeof(cmd.ssp_index);
 117         cmd.ssp_index = SSP_CODEC;
 118 
 119         memcpy(cmd.rx_slot_map, &sst_ssp_tx_map[0], sizeof(cmd.rx_slot_map));
 120         memcpy(cmd.tx_slot_map, &sst_ssp_rx_map[0], sizeof(cmd.tx_slot_map));
 121 
 122         return sst_fill_and_send_cmd_unlocked(drv, SST_IPC_IA_SET_PARAMS,
 123                         SST_FLAG_BLOCKED, SST_TASK_SBA, 0, &cmd,
 124                               sizeof(cmd.header) + cmd.header.length);
 125 }
 126 
 127 static int sst_slot_enum_info(struct snd_kcontrol *kcontrol,
 128                        struct snd_ctl_elem_info *uinfo)
 129 {
 130         struct sst_enum *e = (struct sst_enum *)kcontrol->private_value;
 131 
 132         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
 133         uinfo->count = 1;
 134         uinfo->value.enumerated.items = e->max;
 135 
 136         if (uinfo->value.enumerated.item > e->max - 1)
 137                 uinfo->value.enumerated.item = e->max - 1;
 138         strcpy(uinfo->value.enumerated.name,
 139                 e->texts[uinfo->value.enumerated.item]);
 140 
 141         return 0;
 142 }
 143 
 144 /**
 145  * sst_slot_get - get the status of the interleaver/deinterleaver control
 146  *
 147  * Searches the map where the control status is stored, and gets the
 148  * channel/slot which is currently set for this enumerated control. Since it is
 149  * an enumerated control, there is only one possible value.
 150  */
 151 static int sst_slot_get(struct snd_kcontrol *kcontrol,
 152                         struct snd_ctl_elem_value *ucontrol)
 153 {
 154         struct sst_enum *e = (void *)kcontrol->private_value;
 155         struct snd_soc_component *c = snd_kcontrol_chip(kcontrol);
 156         struct sst_data *drv = snd_soc_component_get_drvdata(c);
 157         unsigned int ctl_no = e->reg;
 158         unsigned int is_tx = e->tx;
 159         unsigned int val, mux;
 160         u8 *map = is_tx ? sst_ssp_rx_map : sst_ssp_tx_map;
 161 
 162         mutex_lock(&drv->lock);
 163         val = 1 << ctl_no;
 164         /* search which slot/channel has this bit set - there should be only one */
 165         for (mux = e->max; mux > 0;  mux--)
 166                 if (map[mux - 1] & val)
 167                         break;
 168 
 169         ucontrol->value.enumerated.item[0] = mux;
 170         mutex_unlock(&drv->lock);
 171 
 172         dev_dbg(c->dev, "%s - %s map = %#x\n",
 173                         is_tx ? "tx channel" : "rx slot",
 174                          e->texts[mux], mux ? map[mux - 1] : -1);
 175         return 0;
 176 }
 177 
 178 /* sst_check_and_send_slot_map - helper for checking power state and sending
 179  * slot map cmd
 180  *
 181  * called with lock held
 182  */
 183 static int sst_check_and_send_slot_map(struct sst_data *drv, struct snd_kcontrol *kcontrol)
 184 {
 185         struct sst_enum *e = (void *)kcontrol->private_value;
 186         int ret = 0;
 187 
 188         if (e->w && e->w->power)
 189                 ret = sst_send_slot_map(drv);
 190         else if (!e->w)
 191                 dev_err(&drv->pdev->dev, "Slot control: %s doesn't have DAPM widget!!!\n",
 192                                 kcontrol->id.name);
 193         return ret;
 194 }
 195 
 196 /**
 197  * sst_slot_put - set the status of interleaver/deinterleaver control
 198  *
 199  * (de)interleaver controls are defined in opposite sense to be user-friendly
 200  *
 201  * Instead of the enum value being the value written to the register, it is the
 202  * register address; and the kcontrol number (register num) is the value written
 203  * to the register. This is so that there can be only one value for each
 204  * slot/channel since there is only one control for each slot/channel.
 205  *
 206  * This means that whenever an enum is set, we need to clear the bit
 207  * for that kcontrol_no for all the interleaver OR deinterleaver registers
 208  */
 209 static int sst_slot_put(struct snd_kcontrol *kcontrol,
 210                         struct snd_ctl_elem_value *ucontrol)
 211 {
 212         struct snd_soc_component *c = snd_soc_kcontrol_component(kcontrol);
 213         struct sst_data *drv = snd_soc_component_get_drvdata(c);
 214         struct sst_enum *e = (void *)kcontrol->private_value;
 215         int i, ret = 0;
 216         unsigned int ctl_no = e->reg;
 217         unsigned int is_tx = e->tx;
 218         unsigned int slot_channel_no;
 219         unsigned int val, mux;
 220         u8 *map;
 221 
 222         map = is_tx ? sst_ssp_rx_map : sst_ssp_tx_map;
 223 
 224         val = 1 << ctl_no;
 225         mux = ucontrol->value.enumerated.item[0];
 226         if (mux > e->max - 1)
 227                 return -EINVAL;
 228 
 229         mutex_lock(&drv->lock);
 230         /* first clear all registers of this bit */
 231         for (i = 0; i < e->max; i++)
 232                 map[i] &= ~val;
 233 
 234         if (mux == 0) {
 235                 /* kctl set to 'none' and we reset the bits so send IPC */
 236                 ret = sst_check_and_send_slot_map(drv, kcontrol);
 237 
 238                 mutex_unlock(&drv->lock);
 239                 return ret;
 240         }
 241 
 242         /* offset by one to take "None" into account */
 243         slot_channel_no = mux - 1;
 244         map[slot_channel_no] |= val;
 245 
 246         dev_dbg(c->dev, "%s %s map = %#x\n",
 247                         is_tx ? "tx channel" : "rx slot",
 248                         e->texts[mux], map[slot_channel_no]);
 249 
 250         ret = sst_check_and_send_slot_map(drv, kcontrol);
 251 
 252         mutex_unlock(&drv->lock);
 253         return ret;
 254 }
 255 
 256 static int sst_send_algo_cmd(struct sst_data *drv,
 257                               struct sst_algo_control *bc)
 258 {
 259         int len, ret = 0;
 260         struct sst_cmd_set_params *cmd;
 261 
 262         /*bc->max includes sizeof algos + length field*/
 263         len = sizeof(cmd->dst) + sizeof(cmd->command_id) + bc->max;
 264 
 265         cmd = kzalloc(len, GFP_KERNEL);
 266         if (cmd == NULL)
 267                 return -ENOMEM;
 268 
 269         SST_FILL_DESTINATION(2, cmd->dst, bc->pipe_id, bc->module_id);
 270         cmd->command_id = bc->cmd_id;
 271         memcpy(cmd->params, bc->params, bc->max);
 272 
 273         ret = sst_fill_and_send_cmd_unlocked(drv, SST_IPC_IA_SET_PARAMS,
 274                                 SST_FLAG_BLOCKED, bc->task_id, 0, cmd, len);
 275         kfree(cmd);
 276         return ret;
 277 }
 278 
 279 /**
 280  * sst_find_and_send_pipe_algo - send all the algo parameters for a pipe
 281  *
 282  * The algos which are in each pipeline are sent to the firmware one by one
 283  *
 284  * Called with lock held
 285  */
 286 static int sst_find_and_send_pipe_algo(struct sst_data *drv,
 287                                         const char *pipe, struct sst_ids *ids)
 288 {
 289         int ret = 0;
 290         struct sst_algo_control *bc;
 291         struct sst_module *algo = NULL;
 292 
 293         dev_dbg(&drv->pdev->dev, "Enter: widget=%s\n", pipe);
 294 
 295         list_for_each_entry(algo, &ids->algo_list, node) {
 296                 bc = (void *)algo->kctl->private_value;
 297 
 298                 dev_dbg(&drv->pdev->dev, "Found algo control name=%s pipe=%s\n",
 299                                 algo->kctl->id.name, pipe);
 300                 ret = sst_send_algo_cmd(drv, bc);
 301                 if (ret)
 302                         return ret;
 303         }
 304         return ret;
 305 }
 306 
 307 static int sst_algo_bytes_ctl_info(struct snd_kcontrol *kcontrol,
 308                             struct snd_ctl_elem_info *uinfo)
 309 {
 310         struct sst_algo_control *bc = (void *)kcontrol->private_value;
 311 
 312         uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES;
 313         uinfo->count = bc->max;
 314 
 315         return 0;
 316 }
 317 
 318 static int sst_algo_control_get(struct snd_kcontrol *kcontrol,
 319                                 struct snd_ctl_elem_value *ucontrol)
 320 {
 321         struct sst_algo_control *bc = (void *)kcontrol->private_value;
 322         struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
 323 
 324         switch (bc->type) {
 325         case SST_ALGO_PARAMS:
 326                 memcpy(ucontrol->value.bytes.data, bc->params, bc->max);
 327                 break;
 328         default:
 329                 dev_err(component->dev, "Invalid Input- algo type:%d\n",
 330                                 bc->type);
 331                 return -EINVAL;
 332 
 333         }
 334         return 0;
 335 }
 336 
 337 static int sst_algo_control_set(struct snd_kcontrol *kcontrol,
 338                                 struct snd_ctl_elem_value *ucontrol)
 339 {
 340         int ret = 0;
 341         struct snd_soc_component *cmpnt = snd_soc_kcontrol_component(kcontrol);
 342         struct sst_data *drv = snd_soc_component_get_drvdata(cmpnt);
 343         struct sst_algo_control *bc = (void *)kcontrol->private_value;
 344 
 345         dev_dbg(cmpnt->dev, "control_name=%s\n", kcontrol->id.name);
 346         mutex_lock(&drv->lock);
 347         switch (bc->type) {
 348         case SST_ALGO_PARAMS:
 349                 memcpy(bc->params, ucontrol->value.bytes.data, bc->max);
 350                 break;
 351         default:
 352                 mutex_unlock(&drv->lock);
 353                 dev_err(cmpnt->dev, "Invalid Input- algo type:%d\n",
 354                                 bc->type);
 355                 return -EINVAL;
 356         }
 357         /*if pipe is enabled, need to send the algo params from here*/
 358         if (bc->w && bc->w->power)
 359                 ret = sst_send_algo_cmd(drv, bc);
 360         mutex_unlock(&drv->lock);
 361 
 362         return ret;
 363 }
 364 
 365 static int sst_gain_ctl_info(struct snd_kcontrol *kcontrol,
 366         struct snd_ctl_elem_info *uinfo)
 367 {
 368         struct sst_gain_mixer_control *mc = (void *)kcontrol->private_value;
 369 
 370         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 371         uinfo->count = mc->stereo ? 2 : 1;
 372         uinfo->value.integer.min = mc->min;
 373         uinfo->value.integer.max = mc->max;
 374 
 375         return 0;
 376 }
 377 
 378 /**
 379  * sst_send_gain_cmd - send the gain algorithm IPC to the FW
 380  * @gv:         the stored value of gain (also contains rampduration)
 381  * @mute:       flag that indicates whether this was called from the
 382  *              digital_mute callback or directly. If called from the
 383  *              digital_mute callback, module will be muted/unmuted based on this
 384  *              flag. The flag is always 0 if called directly.
 385  *
 386  * Called with sst_data.lock held
 387  *
 388  * The user-set gain value is sent only if the user-controllable 'mute' control
 389  * is OFF (indicated by gv->mute). Otherwise, the mute value (MIN value) is
 390  * sent.
 391  */
 392 static int sst_send_gain_cmd(struct sst_data *drv, struct sst_gain_value *gv,
 393                               u16 task_id, u16 loc_id, u16 module_id, int mute)
 394 {
 395         struct sst_cmd_set_gain_dual cmd;
 396 
 397         dev_dbg(&drv->pdev->dev, "Enter\n");
 398 
 399         cmd.header.command_id = MMX_SET_GAIN;
 400         SST_FILL_DEFAULT_DESTINATION(cmd.header.dst);
 401         cmd.gain_cell_num = 1;
 402 
 403         if (mute || gv->mute) {
 404                 cmd.cell_gains[0].cell_gain_left = SST_GAIN_MIN_VALUE;
 405                 cmd.cell_gains[0].cell_gain_right = SST_GAIN_MIN_VALUE;
 406         } else {
 407                 cmd.cell_gains[0].cell_gain_left = gv->l_gain;
 408                 cmd.cell_gains[0].cell_gain_right = gv->r_gain;
 409         }
 410 
 411         SST_FILL_DESTINATION(2, cmd.cell_gains[0].dest,
 412                              loc_id, module_id);
 413         cmd.cell_gains[0].gain_time_constant = gv->ramp_duration;
 414 
 415         cmd.header.length = sizeof(struct sst_cmd_set_gain_dual)
 416                                 - sizeof(struct sst_dsp_header);
 417 
 418         /* we are with lock held, so call the unlocked api  to send */
 419         return sst_fill_and_send_cmd_unlocked(drv, SST_IPC_IA_SET_PARAMS,
 420                                 SST_FLAG_BLOCKED, task_id, 0, &cmd,
 421                               sizeof(cmd.header) + cmd.header.length);
 422 }
 423 
 424 static int sst_gain_get(struct snd_kcontrol *kcontrol,
 425                         struct snd_ctl_elem_value *ucontrol)
 426 {
 427         struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
 428         struct sst_gain_mixer_control *mc = (void *)kcontrol->private_value;
 429         struct sst_gain_value *gv = mc->gain_val;
 430 
 431         switch (mc->type) {
 432         case SST_GAIN_TLV:
 433                 ucontrol->value.integer.value[0] = gv->l_gain;
 434                 ucontrol->value.integer.value[1] = gv->r_gain;
 435                 break;
 436 
 437         case SST_GAIN_MUTE:
 438                 ucontrol->value.integer.value[0] = gv->mute ? 0 : 1;
 439                 break;
 440 
 441         case SST_GAIN_RAMP_DURATION:
 442                 ucontrol->value.integer.value[0] = gv->ramp_duration;
 443                 break;
 444 
 445         default:
 446                 dev_err(component->dev, "Invalid Input- gain type:%d\n",
 447                                 mc->type);
 448                 return -EINVAL;
 449         }
 450 
 451         return 0;
 452 }
 453 
 454 static int sst_gain_put(struct snd_kcontrol *kcontrol,
 455                         struct snd_ctl_elem_value *ucontrol)
 456 {
 457         int ret = 0;
 458         struct snd_soc_component *cmpnt = snd_soc_kcontrol_component(kcontrol);
 459         struct sst_data *drv = snd_soc_component_get_drvdata(cmpnt);
 460         struct sst_gain_mixer_control *mc = (void *)kcontrol->private_value;
 461         struct sst_gain_value *gv = mc->gain_val;
 462 
 463         mutex_lock(&drv->lock);
 464 
 465         switch (mc->type) {
 466         case SST_GAIN_TLV:
 467                 gv->l_gain = ucontrol->value.integer.value[0];
 468                 gv->r_gain = ucontrol->value.integer.value[1];
 469                 dev_dbg(cmpnt->dev, "%s: Volume %d, %d\n",
 470                                 mc->pname, gv->l_gain, gv->r_gain);
 471                 break;
 472 
 473         case SST_GAIN_MUTE:
 474                 gv->mute = !ucontrol->value.integer.value[0];
 475                 dev_dbg(cmpnt->dev, "%s: Mute %d\n", mc->pname, gv->mute);
 476                 break;
 477 
 478         case SST_GAIN_RAMP_DURATION:
 479                 gv->ramp_duration = ucontrol->value.integer.value[0];
 480                 dev_dbg(cmpnt->dev, "%s: Ramp Delay%d\n",
 481                                         mc->pname, gv->ramp_duration);
 482                 break;
 483 
 484         default:
 485                 mutex_unlock(&drv->lock);
 486                 dev_err(cmpnt->dev, "Invalid Input- gain type:%d\n",
 487                                 mc->type);
 488                 return -EINVAL;
 489         }
 490 
 491         if (mc->w && mc->w->power)
 492                 ret = sst_send_gain_cmd(drv, gv, mc->task_id,
 493                         mc->pipe_id | mc->instance_id, mc->module_id, 0);
 494         mutex_unlock(&drv->lock);
 495 
 496         return ret;
 497 }
 498 
 499 static int sst_set_pipe_gain(struct sst_ids *ids,
 500                                 struct sst_data *drv, int mute);
 501 
 502 static int sst_send_pipe_module_params(struct snd_soc_dapm_widget *w,
 503                 struct snd_kcontrol *kcontrol)
 504 {
 505         struct snd_soc_component *c = snd_soc_dapm_to_component(w->dapm);
 506         struct sst_data *drv = snd_soc_component_get_drvdata(c);
 507         struct sst_ids *ids = w->priv;
 508 
 509         mutex_lock(&drv->lock);
 510         sst_find_and_send_pipe_algo(drv, w->name, ids);
 511         sst_set_pipe_gain(ids, drv, 0);
 512         mutex_unlock(&drv->lock);
 513 
 514         return 0;
 515 }
 516 
 517 static int sst_generic_modules_event(struct snd_soc_dapm_widget *w,
 518                                      struct snd_kcontrol *k, int event)
 519 {
 520         if (SND_SOC_DAPM_EVENT_ON(event))
 521                 return sst_send_pipe_module_params(w, k);
 522         return 0;
 523 }
 524 
 525 static const DECLARE_TLV_DB_SCALE(sst_gain_tlv_common, SST_GAIN_MIN_VALUE * 10, 10, 0);
 526 
 527 /* Look up table to convert MIXER SW bit regs to SWM inputs */
 528 static const uint swm_mixer_input_ids[SST_SWM_INPUT_COUNT] = {
 529         [SST_IP_MODEM]          = SST_SWM_IN_MODEM,
 530         [SST_IP_CODEC0]         = SST_SWM_IN_CODEC0,
 531         [SST_IP_CODEC1]         = SST_SWM_IN_CODEC1,
 532         [SST_IP_LOOP0]          = SST_SWM_IN_SPROT_LOOP,
 533         [SST_IP_LOOP1]          = SST_SWM_IN_MEDIA_LOOP1,
 534         [SST_IP_LOOP2]          = SST_SWM_IN_MEDIA_LOOP2,
 535         [SST_IP_PCM0]           = SST_SWM_IN_PCM0,
 536         [SST_IP_PCM1]           = SST_SWM_IN_PCM1,
 537         [SST_IP_MEDIA0]         = SST_SWM_IN_MEDIA0,
 538         [SST_IP_MEDIA1]         = SST_SWM_IN_MEDIA1,
 539         [SST_IP_MEDIA2]         = SST_SWM_IN_MEDIA2,
 540         [SST_IP_MEDIA3]         = SST_SWM_IN_MEDIA3,
 541 };
 542 
 543 /**
 544  * fill_swm_input - fill in the SWM input ids given the register
 545  *
 546  * The register value is a bit-field inicated which mixer inputs are ON. Use the
 547  * lookup table to get the input-id and fill it in the structure.
 548  */
 549 static int fill_swm_input(struct snd_soc_component *cmpnt,
 550                 struct swm_input_ids *swm_input, unsigned int reg)
 551 {
 552         uint i, is_set, nb_inputs = 0;
 553         u16 input_loc_id;
 554 
 555         dev_dbg(cmpnt->dev, "reg: %#x\n", reg);
 556         for (i = 0; i < SST_SWM_INPUT_COUNT; i++) {
 557                 is_set = reg & BIT(i);
 558                 if (!is_set)
 559                         continue;
 560 
 561                 input_loc_id = swm_mixer_input_ids[i];
 562                 SST_FILL_DESTINATION(2, swm_input->input_id,
 563                                      input_loc_id, SST_DEFAULT_MODULE_ID);
 564                 nb_inputs++;
 565                 swm_input++;
 566                 dev_dbg(cmpnt->dev, "input id: %#x, nb_inputs: %d\n",
 567                                 input_loc_id, nb_inputs);
 568 
 569                 if (nb_inputs == SST_CMD_SWM_MAX_INPUTS) {
 570                         dev_warn(cmpnt->dev, "SET_SWM cmd max inputs reached");
 571                         break;
 572                 }
 573         }
 574         return nb_inputs;
 575 }
 576 
 577 
 578 /**
 579  * called with lock held
 580  */
 581 static int sst_set_pipe_gain(struct sst_ids *ids,
 582                         struct sst_data *drv, int mute)
 583 {
 584         int ret = 0;
 585         struct sst_gain_mixer_control *mc;
 586         struct sst_gain_value *gv;
 587         struct sst_module *gain = NULL;
 588 
 589         list_for_each_entry(gain, &ids->gain_list, node) {
 590                 struct snd_kcontrol *kctl = gain->kctl;
 591 
 592                 dev_dbg(&drv->pdev->dev, "control name=%s\n", kctl->id.name);
 593                 mc = (void *)kctl->private_value;
 594                 gv = mc->gain_val;
 595 
 596                 ret = sst_send_gain_cmd(drv, gv, mc->task_id,
 597                         mc->pipe_id | mc->instance_id, mc->module_id, mute);
 598                 if (ret)
 599                         return ret;
 600         }
 601         return ret;
 602 }
 603 
 604 static int sst_swm_mixer_event(struct snd_soc_dapm_widget *w,
 605                         struct snd_kcontrol *k, int event)
 606 {
 607         struct sst_cmd_set_swm cmd;
 608         struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
 609         struct sst_data *drv = snd_soc_component_get_drvdata(cmpnt);
 610         struct sst_ids *ids = w->priv;
 611         bool set_mixer = false;
 612         struct soc_mixer_control *mc;
 613         int val = 0;
 614         int i = 0;
 615 
 616         dev_dbg(cmpnt->dev, "widget = %s\n", w->name);
 617         /*
 618          * Identify which mixer input is on and send the bitmap of the
 619          * inputs as an IPC to the DSP.
 620          */
 621         for (i = 0; i < w->num_kcontrols; i++) {
 622                 if (dapm_kcontrol_get_value(w->kcontrols[i])) {
 623                         mc = (struct soc_mixer_control *)(w->kcontrols[i])->private_value;
 624                         val |= 1 << mc->shift;
 625                 }
 626         }
 627         dev_dbg(cmpnt->dev, "val = %#x\n", val);
 628 
 629         switch (event) {
 630         case SND_SOC_DAPM_PRE_PMU:
 631         case SND_SOC_DAPM_POST_PMD:
 632                 set_mixer = true;
 633                 break;
 634         case SND_SOC_DAPM_POST_REG:
 635                 if (w->power)
 636                         set_mixer = true;
 637                 break;
 638         default:
 639                 set_mixer = false;
 640         }
 641 
 642         if (!set_mixer)
 643                 return 0;
 644 
 645         if (SND_SOC_DAPM_EVENT_ON(event) ||
 646             event == SND_SOC_DAPM_POST_REG)
 647                 cmd.switch_state = SST_SWM_ON;
 648         else
 649                 cmd.switch_state = SST_SWM_OFF;
 650 
 651         SST_FILL_DEFAULT_DESTINATION(cmd.header.dst);
 652         /* MMX_SET_SWM == SBA_SET_SWM */
 653         cmd.header.command_id = SBA_SET_SWM;
 654 
 655         SST_FILL_DESTINATION(2, cmd.output_id,
 656                              ids->location_id, SST_DEFAULT_MODULE_ID);
 657         cmd.nb_inputs = fill_swm_input(cmpnt, &cmd.input[0], val);
 658         cmd.header.length = offsetof(struct sst_cmd_set_swm, input)
 659                                 - sizeof(struct sst_dsp_header)
 660                                 + (cmd.nb_inputs * sizeof(cmd.input[0]));
 661 
 662         return sst_fill_and_send_cmd(drv, SST_IPC_IA_CMD, SST_FLAG_BLOCKED,
 663                               ids->task_id, 0, &cmd,
 664                               sizeof(cmd.header) + cmd.header.length);
 665 }
 666 
 667 /* SBA mixers - 16 inputs */
 668 #define SST_SBA_DECLARE_MIX_CONTROLS(kctl_name)                                                 \
 669         static const struct snd_kcontrol_new kctl_name[] = {                                    \
 670                 SOC_DAPM_SINGLE("modem_in Switch", SND_SOC_NOPM, SST_IP_MODEM, 1, 0),           \
 671                 SOC_DAPM_SINGLE("codec_in0 Switch", SND_SOC_NOPM, SST_IP_CODEC0, 1, 0),         \
 672                 SOC_DAPM_SINGLE("codec_in1 Switch", SND_SOC_NOPM, SST_IP_CODEC1, 1, 0),         \
 673                 SOC_DAPM_SINGLE("sprot_loop_in Switch", SND_SOC_NOPM, SST_IP_LOOP0, 1, 0),      \
 674                 SOC_DAPM_SINGLE("media_loop1_in Switch", SND_SOC_NOPM, SST_IP_LOOP1, 1, 0),     \
 675                 SOC_DAPM_SINGLE("media_loop2_in Switch", SND_SOC_NOPM, SST_IP_LOOP2, 1, 0),     \
 676                 SOC_DAPM_SINGLE("pcm0_in Switch", SND_SOC_NOPM, SST_IP_PCM0, 1, 0),             \
 677                 SOC_DAPM_SINGLE("pcm1_in Switch", SND_SOC_NOPM, SST_IP_PCM1, 1, 0),             \
 678         }
 679 
 680 #define SST_SBA_MIXER_GRAPH_MAP(mix_name)                       \
 681         { mix_name, "modem_in Switch",  "modem_in" },           \
 682         { mix_name, "codec_in0 Switch", "codec_in0" },          \
 683         { mix_name, "codec_in1 Switch", "codec_in1" },          \
 684         { mix_name, "sprot_loop_in Switch",     "sprot_loop_in" },      \
 685         { mix_name, "media_loop1_in Switch",    "media_loop1_in" },     \
 686         { mix_name, "media_loop2_in Switch",    "media_loop2_in" },     \
 687         { mix_name, "pcm0_in Switch",           "pcm0_in" },            \
 688         { mix_name, "pcm1_in Switch",           "pcm1_in" }
 689 
 690 #define SST_MMX_DECLARE_MIX_CONTROLS(kctl_name)                                         \
 691         static const struct snd_kcontrol_new kctl_name[] = {                            \
 692                 SOC_DAPM_SINGLE("media0_in Switch", SND_SOC_NOPM, SST_IP_MEDIA0, 1, 0), \
 693                 SOC_DAPM_SINGLE("media1_in Switch", SND_SOC_NOPM, SST_IP_MEDIA1, 1, 0), \
 694                 SOC_DAPM_SINGLE("media2_in Switch", SND_SOC_NOPM, SST_IP_MEDIA2, 1, 0), \
 695                 SOC_DAPM_SINGLE("media3_in Switch", SND_SOC_NOPM, SST_IP_MEDIA3, 1, 0), \
 696         }
 697 
 698 SST_MMX_DECLARE_MIX_CONTROLS(sst_mix_media0_controls);
 699 SST_MMX_DECLARE_MIX_CONTROLS(sst_mix_media1_controls);
 700 
 701 /* 18 SBA mixers */
 702 SST_SBA_DECLARE_MIX_CONTROLS(sst_mix_pcm0_controls);
 703 SST_SBA_DECLARE_MIX_CONTROLS(sst_mix_pcm1_controls);
 704 SST_SBA_DECLARE_MIX_CONTROLS(sst_mix_pcm2_controls);
 705 SST_SBA_DECLARE_MIX_CONTROLS(sst_mix_sprot_l0_controls);
 706 SST_SBA_DECLARE_MIX_CONTROLS(sst_mix_media_l1_controls);
 707 SST_SBA_DECLARE_MIX_CONTROLS(sst_mix_media_l2_controls);
 708 SST_SBA_DECLARE_MIX_CONTROLS(sst_mix_voip_controls);
 709 SST_SBA_DECLARE_MIX_CONTROLS(sst_mix_codec0_controls);
 710 SST_SBA_DECLARE_MIX_CONTROLS(sst_mix_codec1_controls);
 711 SST_SBA_DECLARE_MIX_CONTROLS(sst_mix_modem_controls);
 712 
 713 /*
 714  * sst_handle_vb_timer - Start/Stop the DSP scheduler
 715  *
 716  * The DSP expects first cmd to be SBA_VB_START, so at first startup send
 717  * that.
 718  * DSP expects last cmd to be SBA_VB_IDLE, so at last shutdown send that.
 719  *
 720  * Do refcount internally so that we send command only at first start
 721  * and last end. Since SST driver does its own ref count, invoke sst's
 722  * power ops always!
 723  */
 724 int sst_handle_vb_timer(struct snd_soc_dai *dai, bool enable)
 725 {
 726         int ret = 0;
 727         struct sst_cmd_generic cmd;
 728         struct sst_data *drv = snd_soc_dai_get_drvdata(dai);
 729         static int timer_usage;
 730 
 731         if (enable)
 732                 cmd.header.command_id = SBA_VB_START;
 733         else
 734                 cmd.header.command_id = SBA_IDLE;
 735         dev_dbg(dai->dev, "enable=%u, usage=%d\n", enable, timer_usage);
 736 
 737         SST_FILL_DEFAULT_DESTINATION(cmd.header.dst);
 738         cmd.header.length = 0;
 739 
 740         if (enable) {
 741                 ret = sst->ops->power(sst->dev, true);
 742                 if (ret < 0)
 743                         return ret;
 744         }
 745 
 746         mutex_lock(&drv->lock);
 747         if (enable)
 748                 timer_usage++;
 749         else
 750                 timer_usage--;
 751 
 752         /*
 753          * Send the command only if this call is the first enable or last
 754          * disable
 755          */
 756         if ((enable && (timer_usage == 1)) ||
 757             (!enable && (timer_usage == 0))) {
 758                 ret = sst_fill_and_send_cmd_unlocked(drv, SST_IPC_IA_CMD,
 759                                 SST_FLAG_BLOCKED, SST_TASK_SBA, 0, &cmd,
 760                                 sizeof(cmd.header) + cmd.header.length);
 761                 if (ret && enable) {
 762                         timer_usage--;
 763                         enable  = false;
 764                 }
 765         }
 766         mutex_unlock(&drv->lock);
 767 
 768         if (!enable)
 769                 sst->ops->power(sst->dev, false);
 770         return ret;
 771 }
 772 
 773 int sst_fill_ssp_slot(struct snd_soc_dai *dai, unsigned int tx_mask,
 774                 unsigned int rx_mask, int slots, int slot_width)
 775 {
 776         struct sst_data *ctx = snd_soc_dai_get_drvdata(dai);
 777 
 778         ctx->ssp_cmd.nb_slots = slots;
 779         ctx->ssp_cmd.active_tx_slot_map = tx_mask;
 780         ctx->ssp_cmd.active_rx_slot_map = rx_mask;
 781         ctx->ssp_cmd.nb_bits_per_slots = slot_width;
 782 
 783         return 0;
 784 }
 785 
 786 static int sst_get_frame_sync_polarity(struct snd_soc_dai *dai,
 787                 unsigned int fmt)
 788 {
 789         int format;
 790 
 791         format = fmt & SND_SOC_DAIFMT_INV_MASK;
 792         dev_dbg(dai->dev, "Enter:%s, format=%x\n", __func__, format);
 793 
 794         switch (format) {
 795         case SND_SOC_DAIFMT_NB_NF:
 796         case SND_SOC_DAIFMT_IB_NF:
 797                 return SSP_FS_ACTIVE_HIGH;
 798         case SND_SOC_DAIFMT_NB_IF:
 799         case SND_SOC_DAIFMT_IB_IF:
 800                 return SSP_FS_ACTIVE_LOW;
 801         default:
 802                 dev_err(dai->dev, "Invalid frame sync polarity %d\n", format);
 803         }
 804 
 805         return -EINVAL;
 806 }
 807 
 808 static int sst_get_ssp_mode(struct snd_soc_dai *dai, unsigned int fmt)
 809 {
 810         int format;
 811 
 812         format = (fmt & SND_SOC_DAIFMT_MASTER_MASK);
 813         dev_dbg(dai->dev, "Enter:%s, format=%x\n", __func__, format);
 814 
 815         switch (format) {
 816         case SND_SOC_DAIFMT_CBS_CFS:
 817                 return SSP_MODE_MASTER;
 818         case SND_SOC_DAIFMT_CBM_CFM:
 819                 return SSP_MODE_SLAVE;
 820         default:
 821                 dev_err(dai->dev, "Invalid ssp protocol: %d\n", format);
 822         }
 823 
 824         return -EINVAL;
 825 }
 826 
 827 
 828 int sst_fill_ssp_config(struct snd_soc_dai *dai, unsigned int fmt)
 829 {
 830         unsigned int mode;
 831         int fs_polarity;
 832         struct sst_data *ctx = snd_soc_dai_get_drvdata(dai);
 833 
 834         mode = fmt & SND_SOC_DAIFMT_FORMAT_MASK;
 835 
 836         switch (mode) {
 837         case SND_SOC_DAIFMT_DSP_B:
 838                 ctx->ssp_cmd.ssp_protocol = SSP_MODE_PCM;
 839                 ctx->ssp_cmd.mode = sst_get_ssp_mode(dai, fmt) | (SSP_PCM_MODE_NETWORK << 1);
 840                 ctx->ssp_cmd.start_delay = 0;
 841                 ctx->ssp_cmd.data_polarity = 1;
 842                 ctx->ssp_cmd.frame_sync_width = 1;
 843                 break;
 844 
 845         case SND_SOC_DAIFMT_DSP_A:
 846                 ctx->ssp_cmd.ssp_protocol = SSP_MODE_PCM;
 847                 ctx->ssp_cmd.mode = sst_get_ssp_mode(dai, fmt) | (SSP_PCM_MODE_NETWORK << 1);
 848                 ctx->ssp_cmd.start_delay = 1;
 849                 ctx->ssp_cmd.data_polarity = 1;
 850                 ctx->ssp_cmd.frame_sync_width = 1;
 851                 break;
 852 
 853         case SND_SOC_DAIFMT_I2S:
 854                 ctx->ssp_cmd.ssp_protocol = SSP_MODE_I2S;
 855                 ctx->ssp_cmd.mode = sst_get_ssp_mode(dai, fmt) | (SSP_PCM_MODE_NORMAL << 1);
 856                 ctx->ssp_cmd.start_delay = 1;
 857                 ctx->ssp_cmd.data_polarity = 0;
 858                 ctx->ssp_cmd.frame_sync_width = ctx->ssp_cmd.nb_bits_per_slots;
 859                 break;
 860 
 861         case SND_SOC_DAIFMT_LEFT_J:
 862                 ctx->ssp_cmd.ssp_protocol = SSP_MODE_I2S;
 863                 ctx->ssp_cmd.mode = sst_get_ssp_mode(dai, fmt) | (SSP_PCM_MODE_NORMAL << 1);
 864                 ctx->ssp_cmd.start_delay = 0;
 865                 ctx->ssp_cmd.data_polarity = 0;
 866                 ctx->ssp_cmd.frame_sync_width = ctx->ssp_cmd.nb_bits_per_slots;
 867                 break;
 868 
 869         default:
 870                 dev_dbg(dai->dev, "using default ssp configs\n");
 871         }
 872 
 873         fs_polarity = sst_get_frame_sync_polarity(dai, fmt);
 874         if (fs_polarity < 0)
 875                 return fs_polarity;
 876 
 877         ctx->ssp_cmd.frame_sync_polarity = fs_polarity;
 878 
 879         return 0;
 880 }
 881 
 882 /**
 883  * sst_ssp_config - contains SSP configuration for media UC
 884  * this can be overwritten by set_dai_xxx APIs
 885  */
 886 static const struct sst_ssp_config sst_ssp_configs = {
 887         .ssp_id = SSP_CODEC,
 888         .bits_per_slot = 24,
 889         .slots = 4,
 890         .ssp_mode = SSP_MODE_MASTER,
 891         .pcm_mode = SSP_PCM_MODE_NETWORK,
 892         .duplex = SSP_DUPLEX,
 893         .ssp_protocol = SSP_MODE_PCM,
 894         .fs_width = 1,
 895         .fs_frequency = SSP_FS_48_KHZ,
 896         .active_slot_map = 0xF,
 897         .start_delay = 0,
 898         .frame_sync_polarity = SSP_FS_ACTIVE_HIGH,
 899         .data_polarity = 1,
 900 };
 901 
 902 void sst_fill_ssp_defaults(struct snd_soc_dai *dai)
 903 {
 904         const struct sst_ssp_config *config;
 905         struct sst_data *ctx = snd_soc_dai_get_drvdata(dai);
 906 
 907         config = &sst_ssp_configs;
 908 
 909         ctx->ssp_cmd.selection = config->ssp_id;
 910         ctx->ssp_cmd.nb_bits_per_slots = config->bits_per_slot;
 911         ctx->ssp_cmd.nb_slots = config->slots;
 912         ctx->ssp_cmd.mode = config->ssp_mode | (config->pcm_mode << 1);
 913         ctx->ssp_cmd.duplex = config->duplex;
 914         ctx->ssp_cmd.active_tx_slot_map = config->active_slot_map;
 915         ctx->ssp_cmd.active_rx_slot_map = config->active_slot_map;
 916         ctx->ssp_cmd.frame_sync_frequency = config->fs_frequency;
 917         ctx->ssp_cmd.frame_sync_polarity = config->frame_sync_polarity;
 918         ctx->ssp_cmd.data_polarity = config->data_polarity;
 919         ctx->ssp_cmd.frame_sync_width = config->fs_width;
 920         ctx->ssp_cmd.ssp_protocol = config->ssp_protocol;
 921         ctx->ssp_cmd.start_delay = config->start_delay;
 922         ctx->ssp_cmd.reserved1 = ctx->ssp_cmd.reserved2 = 0xFF;
 923 }
 924 
 925 int send_ssp_cmd(struct snd_soc_dai *dai, const char *id, bool enable)
 926 {
 927         struct sst_data *drv = snd_soc_dai_get_drvdata(dai);
 928         int ssp_id;
 929 
 930         dev_dbg(dai->dev, "Enter: enable=%d port_name=%s\n", enable, id);
 931 
 932         if (strcmp(id, "ssp0-port") == 0)
 933                 ssp_id = SSP_MODEM;
 934         else if (strcmp(id, "ssp2-port") == 0)
 935                 ssp_id = SSP_CODEC;
 936         else {
 937                 dev_dbg(dai->dev, "port %s is not supported\n", id);
 938                 return -1;
 939         }
 940 
 941         SST_FILL_DEFAULT_DESTINATION(drv->ssp_cmd.header.dst);
 942         drv->ssp_cmd.header.command_id = SBA_HW_SET_SSP;
 943         drv->ssp_cmd.header.length = sizeof(struct sst_cmd_sba_hw_set_ssp)
 944                                 - sizeof(struct sst_dsp_header);
 945 
 946         drv->ssp_cmd.selection = ssp_id;
 947         dev_dbg(dai->dev, "ssp_id: %u\n", ssp_id);
 948 
 949         if (enable)
 950                 drv->ssp_cmd.switch_state = SST_SWITCH_ON;
 951         else
 952                 drv->ssp_cmd.switch_state = SST_SWITCH_OFF;
 953 
 954         return sst_fill_and_send_cmd(drv, SST_IPC_IA_CMD, SST_FLAG_BLOCKED,
 955                                 SST_TASK_SBA, 0, &drv->ssp_cmd,
 956                                 sizeof(drv->ssp_cmd.header) + drv->ssp_cmd.header.length);
 957 }
 958 
 959 static int sst_set_be_modules(struct snd_soc_dapm_widget *w,
 960                          struct snd_kcontrol *k, int event)
 961 {
 962         int ret = 0;
 963         struct snd_soc_component *c = snd_soc_dapm_to_component(w->dapm);
 964         struct sst_data *drv = snd_soc_component_get_drvdata(c);
 965 
 966         dev_dbg(c->dev, "Enter: widget=%s\n", w->name);
 967 
 968         if (SND_SOC_DAPM_EVENT_ON(event)) {
 969                 mutex_lock(&drv->lock);
 970                 ret = sst_send_slot_map(drv);
 971                 mutex_unlock(&drv->lock);
 972                 if (ret)
 973                         return ret;
 974                 ret = sst_send_pipe_module_params(w, k);
 975         }
 976         return ret;
 977 }
 978 
 979 static int sst_set_media_path(struct snd_soc_dapm_widget *w,
 980                               struct snd_kcontrol *k, int event)
 981 {
 982         int ret = 0;
 983         struct sst_cmd_set_media_path cmd;
 984         struct snd_soc_component *c = snd_soc_dapm_to_component(w->dapm);
 985         struct sst_data *drv = snd_soc_component_get_drvdata(c);
 986         struct sst_ids *ids = w->priv;
 987 
 988         dev_dbg(c->dev, "widget=%s\n", w->name);
 989         dev_dbg(c->dev, "task=%u, location=%#x\n",
 990                                 ids->task_id, ids->location_id);
 991 
 992         if (SND_SOC_DAPM_EVENT_ON(event))
 993                 cmd.switch_state = SST_PATH_ON;
 994         else
 995                 cmd.switch_state = SST_PATH_OFF;
 996 
 997         SST_FILL_DESTINATION(2, cmd.header.dst,
 998                              ids->location_id, SST_DEFAULT_MODULE_ID);
 999 
1000         /* MMX_SET_MEDIA_PATH == SBA_SET_MEDIA_PATH */
1001         cmd.header.command_id = MMX_SET_MEDIA_PATH;
1002         cmd.header.length = sizeof(struct sst_cmd_set_media_path)
1003                                 - sizeof(struct sst_dsp_header);
1004 
1005         ret = sst_fill_and_send_cmd(drv, SST_IPC_IA_CMD, SST_FLAG_BLOCKED,
1006                               ids->task_id, 0, &cmd,
1007                               sizeof(cmd.header) + cmd.header.length);
1008         if (ret)
1009                 return ret;
1010 
1011         if (SND_SOC_DAPM_EVENT_ON(event))
1012                 ret = sst_send_pipe_module_params(w, k);
1013         return ret;
1014 }
1015 
1016 static int sst_set_media_loop(struct snd_soc_dapm_widget *w,
1017                         struct snd_kcontrol *k, int event)
1018 {
1019         int ret = 0;
1020         struct sst_cmd_sba_set_media_loop_map cmd;
1021         struct snd_soc_component *c = snd_soc_dapm_to_component(w->dapm);
1022         struct sst_data *drv = snd_soc_component_get_drvdata(c);
1023         struct sst_ids *ids = w->priv;
1024 
1025         dev_dbg(c->dev, "Enter:widget=%s\n", w->name);
1026         if (SND_SOC_DAPM_EVENT_ON(event))
1027                 cmd.switch_state = SST_SWITCH_ON;
1028         else
1029                 cmd.switch_state = SST_SWITCH_OFF;
1030 
1031         SST_FILL_DESTINATION(2, cmd.header.dst,
1032                              ids->location_id, SST_DEFAULT_MODULE_ID);
1033 
1034         cmd.header.command_id = SBA_SET_MEDIA_LOOP_MAP;
1035         cmd.header.length = sizeof(struct sst_cmd_sba_set_media_loop_map)
1036                                  - sizeof(struct sst_dsp_header);
1037         cmd.param.part.cfg.rate = 2; /* 48khz */
1038 
1039         cmd.param.part.cfg.format = ids->format; /* stereo/Mono */
1040         cmd.param.part.cfg.s_length = 1; /* 24bit left justified */
1041         cmd.map = 0; /* Algo sequence: Gain - DRP - FIR - IIR */
1042 
1043         ret = sst_fill_and_send_cmd(drv, SST_IPC_IA_CMD, SST_FLAG_BLOCKED,
1044                               SST_TASK_SBA, 0, &cmd,
1045                               sizeof(cmd.header) + cmd.header.length);
1046         if (ret)
1047                 return ret;
1048 
1049         if (SND_SOC_DAPM_EVENT_ON(event))
1050                 ret = sst_send_pipe_module_params(w, k);
1051         return ret;
1052 }
1053 
1054 static const struct snd_soc_dapm_widget sst_dapm_widgets[] = {
1055         SST_AIF_IN("modem_in", sst_set_be_modules),
1056         SST_AIF_IN("codec_in0", sst_set_be_modules),
1057         SST_AIF_IN("codec_in1", sst_set_be_modules),
1058         SST_AIF_OUT("modem_out", sst_set_be_modules),
1059         SST_AIF_OUT("codec_out0", sst_set_be_modules),
1060         SST_AIF_OUT("codec_out1", sst_set_be_modules),
1061 
1062         /* Media Paths */
1063         /* MediaX IN paths are set via ALLOC, so no SET_MEDIA_PATH command */
1064         SST_PATH_INPUT("media0_in", SST_TASK_MMX, SST_SWM_IN_MEDIA0, sst_generic_modules_event),
1065         SST_PATH_INPUT("media1_in", SST_TASK_MMX, SST_SWM_IN_MEDIA1, NULL),
1066         SST_PATH_INPUT("media2_in", SST_TASK_MMX, SST_SWM_IN_MEDIA2, sst_set_media_path),
1067         SST_PATH_INPUT("media3_in", SST_TASK_MMX, SST_SWM_IN_MEDIA3, NULL),
1068         SST_PATH_OUTPUT("media0_out", SST_TASK_MMX, SST_SWM_OUT_MEDIA0, sst_set_media_path),
1069         SST_PATH_OUTPUT("media1_out", SST_TASK_MMX, SST_SWM_OUT_MEDIA1, sst_set_media_path),
1070 
1071         /* SBA PCM Paths */
1072         SST_PATH_INPUT("pcm0_in", SST_TASK_SBA, SST_SWM_IN_PCM0, sst_set_media_path),
1073         SST_PATH_INPUT("pcm1_in", SST_TASK_SBA, SST_SWM_IN_PCM1, sst_set_media_path),
1074         SST_PATH_OUTPUT("pcm0_out", SST_TASK_SBA, SST_SWM_OUT_PCM0, sst_set_media_path),
1075         SST_PATH_OUTPUT("pcm1_out", SST_TASK_SBA, SST_SWM_OUT_PCM1, sst_set_media_path),
1076         SST_PATH_OUTPUT("pcm2_out", SST_TASK_SBA, SST_SWM_OUT_PCM2, sst_set_media_path),
1077 
1078         /* SBA Loops */
1079         SST_PATH_INPUT("sprot_loop_in", SST_TASK_SBA, SST_SWM_IN_SPROT_LOOP, NULL),
1080         SST_PATH_INPUT("media_loop1_in", SST_TASK_SBA, SST_SWM_IN_MEDIA_LOOP1, NULL),
1081         SST_PATH_INPUT("media_loop2_in", SST_TASK_SBA, SST_SWM_IN_MEDIA_LOOP2, NULL),
1082         SST_PATH_MEDIA_LOOP_OUTPUT("sprot_loop_out", SST_TASK_SBA, SST_SWM_OUT_SPROT_LOOP, SST_FMT_STEREO, sst_set_media_loop),
1083         SST_PATH_MEDIA_LOOP_OUTPUT("media_loop1_out", SST_TASK_SBA, SST_SWM_OUT_MEDIA_LOOP1, SST_FMT_STEREO, sst_set_media_loop),
1084         SST_PATH_MEDIA_LOOP_OUTPUT("media_loop2_out", SST_TASK_SBA, SST_SWM_OUT_MEDIA_LOOP2, SST_FMT_STEREO, sst_set_media_loop),
1085 
1086         /* Media Mixers */
1087         SST_SWM_MIXER("media0_out mix 0", SND_SOC_NOPM, SST_TASK_MMX, SST_SWM_OUT_MEDIA0,
1088                       sst_mix_media0_controls, sst_swm_mixer_event),
1089         SST_SWM_MIXER("media1_out mix 0", SND_SOC_NOPM, SST_TASK_MMX, SST_SWM_OUT_MEDIA1,
1090                       sst_mix_media1_controls, sst_swm_mixer_event),
1091 
1092         /* SBA PCM mixers */
1093         SST_SWM_MIXER("pcm0_out mix 0", SND_SOC_NOPM, SST_TASK_SBA, SST_SWM_OUT_PCM0,
1094                       sst_mix_pcm0_controls, sst_swm_mixer_event),
1095         SST_SWM_MIXER("pcm1_out mix 0", SND_SOC_NOPM, SST_TASK_SBA, SST_SWM_OUT_PCM1,
1096                       sst_mix_pcm1_controls, sst_swm_mixer_event),
1097         SST_SWM_MIXER("pcm2_out mix 0", SND_SOC_NOPM, SST_TASK_SBA, SST_SWM_OUT_PCM2,
1098                       sst_mix_pcm2_controls, sst_swm_mixer_event),
1099 
1100         /* SBA Loop mixers */
1101         SST_SWM_MIXER("sprot_loop_out mix 0", SND_SOC_NOPM, SST_TASK_SBA, SST_SWM_OUT_SPROT_LOOP,
1102                       sst_mix_sprot_l0_controls, sst_swm_mixer_event),
1103         SST_SWM_MIXER("media_loop1_out mix 0", SND_SOC_NOPM, SST_TASK_SBA, SST_SWM_OUT_MEDIA_LOOP1,
1104                       sst_mix_media_l1_controls, sst_swm_mixer_event),
1105         SST_SWM_MIXER("media_loop2_out mix 0", SND_SOC_NOPM, SST_TASK_SBA, SST_SWM_OUT_MEDIA_LOOP2,
1106                       sst_mix_media_l2_controls, sst_swm_mixer_event),
1107 
1108         /* SBA Backend mixers */
1109         SST_SWM_MIXER("codec_out0 mix 0", SND_SOC_NOPM, SST_TASK_SBA, SST_SWM_OUT_CODEC0,
1110                       sst_mix_codec0_controls, sst_swm_mixer_event),
1111         SST_SWM_MIXER("codec_out1 mix 0", SND_SOC_NOPM, SST_TASK_SBA, SST_SWM_OUT_CODEC1,
1112                       sst_mix_codec1_controls, sst_swm_mixer_event),
1113         SST_SWM_MIXER("modem_out mix 0", SND_SOC_NOPM, SST_TASK_SBA, SST_SWM_OUT_MODEM,
1114                       sst_mix_modem_controls, sst_swm_mixer_event),
1115 
1116 };
1117 
1118 static const struct snd_soc_dapm_route intercon[] = {
1119         {"media0_in", NULL, "Compress Playback"},
1120         {"media1_in", NULL, "Headset Playback"},
1121         {"media2_in", NULL, "pcm0_out"},
1122         {"media3_in", NULL, "Deepbuffer Playback"},
1123 
1124         {"media0_out mix 0", "media0_in Switch", "media0_in"},
1125         {"media0_out mix 0", "media1_in Switch", "media1_in"},
1126         {"media0_out mix 0", "media2_in Switch", "media2_in"},
1127         {"media0_out mix 0", "media3_in Switch", "media3_in"},
1128         {"media1_out mix 0", "media0_in Switch", "media0_in"},
1129         {"media1_out mix 0", "media1_in Switch", "media1_in"},
1130         {"media1_out mix 0", "media2_in Switch", "media2_in"},
1131         {"media1_out mix 0", "media3_in Switch", "media3_in"},
1132 
1133         {"media0_out", NULL, "media0_out mix 0"},
1134         {"media1_out", NULL, "media1_out mix 0"},
1135         {"pcm0_in", NULL, "media0_out"},
1136         {"pcm1_in", NULL, "media1_out"},
1137 
1138         {"Headset Capture", NULL, "pcm1_out"},
1139         {"Headset Capture", NULL, "pcm2_out"},
1140         {"pcm0_out", NULL, "pcm0_out mix 0"},
1141         SST_SBA_MIXER_GRAPH_MAP("pcm0_out mix 0"),
1142         {"pcm1_out", NULL, "pcm1_out mix 0"},
1143         SST_SBA_MIXER_GRAPH_MAP("pcm1_out mix 0"),
1144         {"pcm2_out", NULL, "pcm2_out mix 0"},
1145         SST_SBA_MIXER_GRAPH_MAP("pcm2_out mix 0"),
1146 
1147         {"media_loop1_in", NULL, "media_loop1_out"},
1148         {"media_loop1_out", NULL, "media_loop1_out mix 0"},
1149         SST_SBA_MIXER_GRAPH_MAP("media_loop1_out mix 0"),
1150         {"media_loop2_in", NULL, "media_loop2_out"},
1151         {"media_loop2_out", NULL, "media_loop2_out mix 0"},
1152         SST_SBA_MIXER_GRAPH_MAP("media_loop2_out mix 0"),
1153         {"sprot_loop_in", NULL, "sprot_loop_out"},
1154         {"sprot_loop_out", NULL, "sprot_loop_out mix 0"},
1155         SST_SBA_MIXER_GRAPH_MAP("sprot_loop_out mix 0"),
1156 
1157         {"codec_out0", NULL, "codec_out0 mix 0"},
1158         SST_SBA_MIXER_GRAPH_MAP("codec_out0 mix 0"),
1159         {"codec_out1", NULL, "codec_out1 mix 0"},
1160         SST_SBA_MIXER_GRAPH_MAP("codec_out1 mix 0"),
1161         {"modem_out", NULL, "modem_out mix 0"},
1162         SST_SBA_MIXER_GRAPH_MAP("modem_out mix 0"),
1163 
1164 
1165 };
1166 static const char * const slot_names[] = {
1167         "none",
1168         "slot 0", "slot 1", "slot 2", "slot 3",
1169         "slot 4", "slot 5", "slot 6", "slot 7", /* not supported by FW */
1170 };
1171 
1172 static const char * const channel_names[] = {
1173         "none",
1174         "codec_out0_0", "codec_out0_1", "codec_out1_0", "codec_out1_1",
1175         "codec_out2_0", "codec_out2_1", "codec_out3_0", "codec_out3_1", /* not supported by FW */
1176 };
1177 
1178 #define SST_INTERLEAVER(xpname, slot_name, slotno) \
1179         SST_SSP_SLOT_CTL(xpname, "tx interleaver", slot_name, slotno, true, \
1180                          channel_names, sst_slot_get, sst_slot_put)
1181 
1182 #define SST_DEINTERLEAVER(xpname, channel_name, channel_no) \
1183         SST_SSP_SLOT_CTL(xpname, "rx deinterleaver", channel_name, channel_no, false, \
1184                          slot_names, sst_slot_get, sst_slot_put)
1185 
1186 static const struct snd_kcontrol_new sst_slot_controls[] = {
1187         SST_INTERLEAVER("codec_out", "slot 0", 0),
1188         SST_INTERLEAVER("codec_out", "slot 1", 1),
1189         SST_INTERLEAVER("codec_out", "slot 2", 2),
1190         SST_INTERLEAVER("codec_out", "slot 3", 3),
1191         SST_DEINTERLEAVER("codec_in", "codec_in0_0", 0),
1192         SST_DEINTERLEAVER("codec_in", "codec_in0_1", 1),
1193         SST_DEINTERLEAVER("codec_in", "codec_in1_0", 2),
1194         SST_DEINTERLEAVER("codec_in", "codec_in1_1", 3),
1195 };
1196 
1197 /* Gain helper with min/max set */
1198 #define SST_GAIN(name, path_id, task_id, instance, gain_var)                            \
1199         SST_GAIN_KCONTROLS(name, "Gain", SST_GAIN_MIN_VALUE, SST_GAIN_MAX_VALUE,        \
1200                 SST_GAIN_TC_MIN, SST_GAIN_TC_MAX,                                       \
1201                 sst_gain_get, sst_gain_put,                                             \
1202                 SST_MODULE_ID_GAIN_CELL, path_id, instance, task_id,                    \
1203                 sst_gain_tlv_common, gain_var)
1204 
1205 #define SST_VOLUME(name, path_id, task_id, instance, gain_var)                          \
1206         SST_GAIN_KCONTROLS(name, "Volume", SST_GAIN_MIN_VALUE, SST_GAIN_MAX_VALUE,      \
1207                 SST_GAIN_TC_MIN, SST_GAIN_TC_MAX,                                       \
1208                 sst_gain_get, sst_gain_put,                                             \
1209                 SST_MODULE_ID_VOLUME, path_id, instance, task_id,                       \
1210                 sst_gain_tlv_common, gain_var)
1211 
1212 static struct sst_gain_value sst_gains[];
1213 
1214 static const struct snd_kcontrol_new sst_gain_controls[] = {
1215         SST_GAIN("media0_in", SST_PATH_INDEX_MEDIA0_IN, SST_TASK_MMX, 0, &sst_gains[0]),
1216         SST_GAIN("media1_in", SST_PATH_INDEX_MEDIA1_IN, SST_TASK_MMX, 0, &sst_gains[1]),
1217         SST_GAIN("media2_in", SST_PATH_INDEX_MEDIA2_IN, SST_TASK_MMX, 0, &sst_gains[2]),
1218         SST_GAIN("media3_in", SST_PATH_INDEX_MEDIA3_IN, SST_TASK_MMX, 0, &sst_gains[3]),
1219 
1220         SST_GAIN("pcm0_in", SST_PATH_INDEX_PCM0_IN, SST_TASK_SBA, 0, &sst_gains[4]),
1221         SST_GAIN("pcm1_in", SST_PATH_INDEX_PCM1_IN, SST_TASK_SBA, 0, &sst_gains[5]),
1222         SST_GAIN("pcm1_out", SST_PATH_INDEX_PCM1_OUT, SST_TASK_SBA, 0, &sst_gains[6]),
1223         SST_GAIN("pcm2_out", SST_PATH_INDEX_PCM2_OUT, SST_TASK_SBA, 0, &sst_gains[7]),
1224 
1225         SST_GAIN("codec_in0", SST_PATH_INDEX_CODEC_IN0, SST_TASK_SBA, 0, &sst_gains[8]),
1226         SST_GAIN("codec_in1", SST_PATH_INDEX_CODEC_IN1, SST_TASK_SBA, 0, &sst_gains[9]),
1227         SST_GAIN("codec_out0", SST_PATH_INDEX_CODEC_OUT0, SST_TASK_SBA, 0, &sst_gains[10]),
1228         SST_GAIN("codec_out1", SST_PATH_INDEX_CODEC_OUT1, SST_TASK_SBA, 0, &sst_gains[11]),
1229         SST_GAIN("media_loop1_out", SST_PATH_INDEX_MEDIA_LOOP1_OUT, SST_TASK_SBA, 0, &sst_gains[12]),
1230         SST_GAIN("media_loop2_out", SST_PATH_INDEX_MEDIA_LOOP2_OUT, SST_TASK_SBA, 0, &sst_gains[13]),
1231         SST_GAIN("sprot_loop_out", SST_PATH_INDEX_SPROT_LOOP_OUT, SST_TASK_SBA, 0, &sst_gains[14]),
1232         SST_VOLUME("media0_in", SST_PATH_INDEX_MEDIA0_IN, SST_TASK_MMX, 0, &sst_gains[15]),
1233         SST_GAIN("modem_in", SST_PATH_INDEX_MODEM_IN, SST_TASK_SBA, 0, &sst_gains[16]),
1234         SST_GAIN("modem_out", SST_PATH_INDEX_MODEM_OUT, SST_TASK_SBA, 0, &sst_gains[17]),
1235 
1236 };
1237 
1238 #define SST_GAIN_NUM_CONTROLS 3
1239 /* the SST_GAIN macro above will create three alsa controls for each
1240  * instance invoked, gain, mute and ramp duration, which use the same gain
1241  * cell sst_gain to keep track of data
1242  * To calculate number of gain cell instances we need to device by 3 in
1243  * below caulcation for gain cell memory.
1244  * This gets rid of static number and issues while adding new controls
1245  */
1246 static struct sst_gain_value sst_gains[ARRAY_SIZE(sst_gain_controls)/SST_GAIN_NUM_CONTROLS];
1247 
1248 static const struct snd_kcontrol_new sst_algo_controls[] = {
1249         SST_ALGO_KCONTROL_BYTES("media_loop1_out", "fir", 272, SST_MODULE_ID_FIR_24,
1250                  SST_PATH_INDEX_MEDIA_LOOP1_OUT, 0, SST_TASK_SBA, SBA_VB_SET_FIR),
1251         SST_ALGO_KCONTROL_BYTES("media_loop1_out", "iir", 300, SST_MODULE_ID_IIR_24,
1252                 SST_PATH_INDEX_MEDIA_LOOP1_OUT, 0, SST_TASK_SBA, SBA_VB_SET_IIR),
1253         SST_ALGO_KCONTROL_BYTES("media_loop1_out", "mdrp", 286, SST_MODULE_ID_MDRP,
1254                 SST_PATH_INDEX_MEDIA_LOOP1_OUT, 0, SST_TASK_SBA, SBA_SET_MDRP),
1255         SST_ALGO_KCONTROL_BYTES("media_loop2_out", "fir", 272, SST_MODULE_ID_FIR_24,
1256                 SST_PATH_INDEX_MEDIA_LOOP2_OUT, 0, SST_TASK_SBA, SBA_VB_SET_FIR),
1257         SST_ALGO_KCONTROL_BYTES("media_loop2_out", "iir", 300, SST_MODULE_ID_IIR_24,
1258                 SST_PATH_INDEX_MEDIA_LOOP2_OUT, 0, SST_TASK_SBA, SBA_VB_SET_IIR),
1259         SST_ALGO_KCONTROL_BYTES("media_loop2_out", "mdrp", 286, SST_MODULE_ID_MDRP,
1260                 SST_PATH_INDEX_MEDIA_LOOP2_OUT, 0, SST_TASK_SBA, SBA_SET_MDRP),
1261         SST_ALGO_KCONTROL_BYTES("sprot_loop_out", "lpro", 192, SST_MODULE_ID_SPROT,
1262                 SST_PATH_INDEX_SPROT_LOOP_OUT, 0, SST_TASK_SBA, SBA_VB_LPRO),
1263         SST_ALGO_KCONTROL_BYTES("codec_in0", "dcr", 52, SST_MODULE_ID_FILT_DCR,
1264                 SST_PATH_INDEX_CODEC_IN0, 0, SST_TASK_SBA, SBA_VB_SET_IIR),
1265         SST_ALGO_KCONTROL_BYTES("codec_in1", "dcr", 52, SST_MODULE_ID_FILT_DCR,
1266                 SST_PATH_INDEX_CODEC_IN1, 0, SST_TASK_SBA, SBA_VB_SET_IIR),
1267 
1268 };
1269 
1270 static int sst_algo_control_init(struct device *dev)
1271 {
1272         int i = 0;
1273         struct sst_algo_control *bc;
1274         /*allocate space to cache the algo parameters in the driver*/
1275         for (i = 0; i < ARRAY_SIZE(sst_algo_controls); i++) {
1276                 bc = (struct sst_algo_control *)sst_algo_controls[i].private_value;
1277                 bc->params = devm_kzalloc(dev, bc->max, GFP_KERNEL);
1278                 if (bc->params == NULL)
1279                         return -ENOMEM;
1280         }
1281         return 0;
1282 }
1283 
1284 static bool is_sst_dapm_widget(struct snd_soc_dapm_widget *w)
1285 {
1286         switch (w->id) {
1287         case snd_soc_dapm_pga:
1288         case snd_soc_dapm_aif_in:
1289         case snd_soc_dapm_aif_out:
1290         case snd_soc_dapm_input:
1291         case snd_soc_dapm_output:
1292         case snd_soc_dapm_mixer:
1293                 return true;
1294         default:
1295                 return false;
1296         }
1297 }
1298 
1299 /**
1300  * sst_send_pipe_gains - send gains for the front-end DAIs
1301  *
1302  * The gains in the pipes connected to the front-ends are muted/unmuted
1303  * automatically via the digital_mute() DAPM callback. This function sends the
1304  * gains for the front-end pipes.
1305  */
1306 int sst_send_pipe_gains(struct snd_soc_dai *dai, int stream, int mute)
1307 {
1308         struct sst_data *drv = snd_soc_dai_get_drvdata(dai);
1309         struct snd_soc_dapm_widget *w;
1310         struct snd_soc_dapm_path *p = NULL;
1311 
1312         dev_dbg(dai->dev, "enter, dai-name=%s dir=%d\n", dai->name, stream);
1313 
1314         if (stream == SNDRV_PCM_STREAM_PLAYBACK) {
1315                 dev_dbg(dai->dev, "Stream name=%s\n",
1316                                 dai->playback_widget->name);
1317                 w = dai->playback_widget;
1318                 snd_soc_dapm_widget_for_each_sink_path(w, p) {
1319                         if (p->connected && !p->connected(w, p->sink))
1320                                 continue;
1321 
1322                         if (p->connect && p->sink->power &&
1323                                         is_sst_dapm_widget(p->sink)) {
1324                                 struct sst_ids *ids = p->sink->priv;
1325 
1326                                 dev_dbg(dai->dev, "send gains for widget=%s\n",
1327                                                 p->sink->name);
1328                                 mutex_lock(&drv->lock);
1329                                 sst_set_pipe_gain(ids, drv, mute);
1330                                 mutex_unlock(&drv->lock);
1331                         }
1332                 }
1333         } else {
1334                 dev_dbg(dai->dev, "Stream name=%s\n",
1335                                 dai->capture_widget->name);
1336                 w = dai->capture_widget;
1337                 snd_soc_dapm_widget_for_each_source_path(w, p) {
1338                         if (p->connected && !p->connected(w, p->source))
1339                                 continue;
1340 
1341                         if (p->connect &&  p->source->power &&
1342                                         is_sst_dapm_widget(p->source)) {
1343                                 struct sst_ids *ids = p->source->priv;
1344 
1345                                 dev_dbg(dai->dev, "send gain for widget=%s\n",
1346                                                 p->source->name);
1347                                 mutex_lock(&drv->lock);
1348                                 sst_set_pipe_gain(ids, drv, mute);
1349                                 mutex_unlock(&drv->lock);
1350                         }
1351                 }
1352         }
1353         return 0;
1354 }
1355 
1356 /**
1357  * sst_fill_module_list - populate the list of modules/gains for a pipe
1358  *
1359  *
1360  * Fills the widget pointer in the kcontrol private data, and also fills the
1361  * kcontrol pointer in the widget private data.
1362  *
1363  * Widget pointer is used to send the algo/gain in the .put() handler if the
1364  * widget is powerd on.
1365  *
1366  * Kcontrol pointer is used to send the algo/gain in the widget power ON/OFF
1367  * event handler. Each widget (pipe) has multiple algos stored in the algo_list.
1368  */
1369 static int sst_fill_module_list(struct snd_kcontrol *kctl,
1370          struct snd_soc_dapm_widget *w, int type)
1371 {
1372         struct sst_module *module = NULL;
1373         struct snd_soc_component *c = snd_soc_dapm_to_component(w->dapm);
1374         struct sst_ids *ids = w->priv;
1375         int ret = 0;
1376 
1377         module = devm_kzalloc(c->dev, sizeof(*module), GFP_KERNEL);
1378         if (!module)
1379                 return -ENOMEM;
1380 
1381         if (type == SST_MODULE_GAIN) {
1382                 struct sst_gain_mixer_control *mc = (void *)kctl->private_value;
1383 
1384                 mc->w = w;
1385                 module->kctl = kctl;
1386                 list_add_tail(&module->node, &ids->gain_list);
1387         } else if (type == SST_MODULE_ALGO) {
1388                 struct sst_algo_control *bc = (void *)kctl->private_value;
1389 
1390                 bc->w = w;
1391                 module->kctl = kctl;
1392                 list_add_tail(&module->node, &ids->algo_list);
1393         } else {
1394                 dev_err(c->dev, "invoked for unknown type %d module %s",
1395                                 type, kctl->id.name);
1396                 ret = -EINVAL;
1397         }
1398 
1399         return ret;
1400 }
1401 
1402 /**
1403  * sst_fill_widget_module_info - fill list of gains/algos for the pipe
1404  * @widget:     pipe modelled as a DAPM widget
1405  *
1406  * Fill the list of gains/algos for the widget by looking at all the card
1407  * controls and comparing the name of the widget with the first part of control
1408  * name. First part of control name contains the pipe name (widget name).
1409  */
1410 static int sst_fill_widget_module_info(struct snd_soc_dapm_widget *w,
1411         struct snd_soc_component *component)
1412 {
1413         struct snd_kcontrol *kctl;
1414         int index, ret = 0;
1415         struct snd_card *card = component->card->snd_card;
1416         char *idx;
1417 
1418         down_read(&card->controls_rwsem);
1419 
1420         list_for_each_entry(kctl, &card->controls, list) {
1421                 idx = strchr(kctl->id.name, ' ');
1422                 if (idx == NULL)
1423                         continue;
1424                 index = idx - (char*)kctl->id.name;
1425                 if (strncmp(kctl->id.name, w->name, index))
1426                         continue;
1427 
1428                 if (strstr(kctl->id.name, "Volume"))
1429                         ret = sst_fill_module_list(kctl, w, SST_MODULE_GAIN);
1430 
1431                 else if (strstr(kctl->id.name, "params"))
1432                         ret = sst_fill_module_list(kctl, w, SST_MODULE_ALGO);
1433 
1434                 else if (strstr(kctl->id.name, "Switch") &&
1435                          strstr(kctl->id.name, "Gain")) {
1436                         struct sst_gain_mixer_control *mc =
1437                                                 (void *)kctl->private_value;
1438 
1439                         mc->w = w;
1440 
1441                 } else if (strstr(kctl->id.name, "interleaver")) {
1442                         struct sst_enum *e = (void *)kctl->private_value;
1443 
1444                         e->w = w;
1445 
1446                 } else if (strstr(kctl->id.name, "deinterleaver")) {
1447                         struct sst_enum *e = (void *)kctl->private_value;
1448 
1449                         e->w = w;
1450                 }
1451 
1452                 if (ret < 0) {
1453                         up_read(&card->controls_rwsem);
1454                         return ret;
1455                 }
1456         }
1457 
1458         up_read(&card->controls_rwsem);
1459         return 0;
1460 }
1461 
1462 /**
1463  * sst_fill_linked_widgets - fill the parent pointer for the linked widget
1464  */
1465 static void sst_fill_linked_widgets(struct snd_soc_component *component,
1466                                                 struct sst_ids *ids)
1467 {
1468         struct snd_soc_dapm_widget *w;
1469         unsigned int len = strlen(ids->parent_wname);
1470 
1471         list_for_each_entry(w, &component->card->widgets, list) {
1472                 if (!strncmp(ids->parent_wname, w->name, len)) {
1473                         ids->parent_w = w;
1474                         break;
1475                 }
1476         }
1477 }
1478 
1479 /**
1480  * sst_map_modules_to_pipe - fill algo/gains list for all pipes
1481  */
1482 static int sst_map_modules_to_pipe(struct snd_soc_component *component)
1483 {
1484         struct snd_soc_dapm_widget *w;
1485         int ret = 0;
1486 
1487         list_for_each_entry(w, &component->card->widgets, list) {
1488                 if (is_sst_dapm_widget(w) && (w->priv)) {
1489                         struct sst_ids *ids = w->priv;
1490 
1491                         dev_dbg(component->dev, "widget type=%d name=%s\n",
1492                                         w->id, w->name);
1493                         INIT_LIST_HEAD(&ids->algo_list);
1494                         INIT_LIST_HEAD(&ids->gain_list);
1495                         ret = sst_fill_widget_module_info(w, component);
1496 
1497                         if (ret < 0)
1498                                 return ret;
1499 
1500                         /* fill linked widgets */
1501                         if (ids->parent_wname !=  NULL)
1502                                 sst_fill_linked_widgets(component, ids);
1503                 }
1504         }
1505         return 0;
1506 }
1507 
1508 int sst_dsp_init_v2_dpcm(struct snd_soc_component *component)
1509 {
1510         int i, ret = 0;
1511         struct snd_soc_dapm_context *dapm =
1512                         snd_soc_component_get_dapm(component);
1513         struct sst_data *drv = snd_soc_component_get_drvdata(component);
1514         unsigned int gains = ARRAY_SIZE(sst_gain_controls)/3;
1515 
1516         drv->byte_stream = devm_kzalloc(component->dev,
1517                                         SST_MAX_BIN_BYTES, GFP_KERNEL);
1518         if (!drv->byte_stream)
1519                 return -ENOMEM;
1520 
1521         snd_soc_dapm_new_controls(dapm, sst_dapm_widgets,
1522                         ARRAY_SIZE(sst_dapm_widgets));
1523         snd_soc_dapm_add_routes(dapm, intercon,
1524                         ARRAY_SIZE(intercon));
1525         snd_soc_dapm_new_widgets(dapm->card);
1526 
1527         for (i = 0; i < gains; i++) {
1528                 sst_gains[i].mute = SST_GAIN_MUTE_DEFAULT;
1529                 sst_gains[i].l_gain = SST_GAIN_VOLUME_DEFAULT;
1530                 sst_gains[i].r_gain = SST_GAIN_VOLUME_DEFAULT;
1531                 sst_gains[i].ramp_duration = SST_GAIN_RAMP_DURATION_DEFAULT;
1532         }
1533 
1534         ret = snd_soc_add_component_controls(component, sst_gain_controls,
1535                         ARRAY_SIZE(sst_gain_controls));
1536         if (ret)
1537                 return ret;
1538 
1539         /* Initialize algo control params */
1540         ret = sst_algo_control_init(component->dev);
1541         if (ret)
1542                 return ret;
1543         ret = snd_soc_add_component_controls(component, sst_algo_controls,
1544                         ARRAY_SIZE(sst_algo_controls));
1545         if (ret)
1546                 return ret;
1547 
1548         ret = snd_soc_add_component_controls(component, sst_slot_controls,
1549                         ARRAY_SIZE(sst_slot_controls));
1550         if (ret)
1551                 return ret;
1552 
1553         ret = sst_map_modules_to_pipe(component);
1554 
1555         return ret;
1556 }

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