linux/sound/soc/intel/atom/sst-atom-controls.c
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   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
  23static 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
  47static 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        WARN_ON(!mutex_is_locked(&drv->lock));
  54
  55        ret = sst_fill_byte_control(drv, ipc_msg,
  56                                block, task_id, pipe_id, len, cmd_data);
  57        if (ret < 0)
  58                return ret;
  59        return sst->ops->send_byte_stream(sst->dev, drv->byte_stream);
  60}
  61
  62/**
  63 * sst_fill_and_send_cmd - generate the IPC message and send it to the FW
  64 * @drv: sst_data
  65 * @ipc_msg: type of IPC (CMD, SET_PARAMS, GET_PARAMS)
  66 * @block: block index
  67 * @task_id: task index
  68 * @pipe_id: pipe index
  69 * @cmd_data: the IPC payload
  70 * @len: length of data to be sent
  71 */
  72static int sst_fill_and_send_cmd(struct sst_data *drv,
  73                                 u8 ipc_msg, u8 block, u8 task_id, u8 pipe_id,
  74                                 void *cmd_data, u16 len)
  75{
  76        int ret;
  77
  78        mutex_lock(&drv->lock);
  79        ret = sst_fill_and_send_cmd_unlocked(drv, ipc_msg, block,
  80                                        task_id, pipe_id, cmd_data, len);
  81        mutex_unlock(&drv->lock);
  82
  83        return ret;
  84}
  85
  86/*
  87 * tx map value is a bitfield where each bit represents a FW channel
  88 *
  89 *                      3 2 1 0         # 0 = codec0, 1 = codec1
  90 *                      RLRLRLRL        # 3, 4 = reserved
  91 *
  92 * e.g. slot 0 rx map = 00001100b -> data from slot 0 goes into codec_in1 L,R
  93 */
  94static u8 sst_ssp_tx_map[SST_MAX_TDM_SLOTS] = {
  95        0x1, 0x2, 0x4, 0x8, 0x10, 0x20, 0x40, 0x80, /* default rx map */
  96};
  97
  98/*
  99 * rx map value is a bitfield where each bit represents a slot
 100 *
 101 *                        76543210      # 0 = slot 0, 1 = slot 1
 102 *
 103 * e.g. codec1_0 tx map = 00000101b -> data from codec_out1_0 goes into slot 0, 2
 104 */
 105static u8 sst_ssp_rx_map[SST_MAX_TDM_SLOTS] = {
 106        0x1, 0x2, 0x4, 0x8, 0x10, 0x20, 0x40, 0x80, /* default tx map */
 107};
 108
 109/*
 110 * NOTE: this is invoked with lock held
 111 */
 112static int sst_send_slot_map(struct sst_data *drv)
 113{
 114        struct sst_param_sba_ssp_slot_map cmd;
 115
 116        SST_FILL_DEFAULT_DESTINATION(cmd.header.dst);
 117        cmd.header.command_id = SBA_SET_SSP_SLOT_MAP;
 118        cmd.header.length = sizeof(struct sst_param_sba_ssp_slot_map)
 119                                - sizeof(struct sst_dsp_header);
 120
 121        cmd.param_id = SBA_SET_SSP_SLOT_MAP;
 122        cmd.param_len = sizeof(cmd.rx_slot_map) + sizeof(cmd.tx_slot_map)
 123                                        + sizeof(cmd.ssp_index);
 124        cmd.ssp_index = SSP_CODEC;
 125
 126        memcpy(cmd.rx_slot_map, &sst_ssp_tx_map[0], sizeof(cmd.rx_slot_map));
 127        memcpy(cmd.tx_slot_map, &sst_ssp_rx_map[0], sizeof(cmd.tx_slot_map));
 128
 129        return sst_fill_and_send_cmd_unlocked(drv, SST_IPC_IA_SET_PARAMS,
 130                        SST_FLAG_BLOCKED, SST_TASK_SBA, 0, &cmd,
 131                              sizeof(cmd.header) + cmd.header.length);
 132}
 133
 134static int sst_slot_enum_info(struct snd_kcontrol *kcontrol,
 135                       struct snd_ctl_elem_info *uinfo)
 136{
 137        struct sst_enum *e = (struct sst_enum *)kcontrol->private_value;
 138
 139        uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
 140        uinfo->count = 1;
 141        uinfo->value.enumerated.items = e->max;
 142
 143        if (uinfo->value.enumerated.item > e->max - 1)
 144                uinfo->value.enumerated.item = e->max - 1;
 145        strcpy(uinfo->value.enumerated.name,
 146                e->texts[uinfo->value.enumerated.item]);
 147
 148        return 0;
 149}
 150
 151/**
 152 * sst_slot_get - get the status of the interleaver/deinterleaver control
 153 * @kcontrol: control pointer
 154 * @ucontrol: User data
 155 * Searches the map where the control status is stored, and gets the
 156 * channel/slot which is currently set for this enumerated control. Since it is
 157 * an enumerated control, there is only one possible value.
 158 */
 159static int sst_slot_get(struct snd_kcontrol *kcontrol,
 160                        struct snd_ctl_elem_value *ucontrol)
 161{
 162        struct sst_enum *e = (void *)kcontrol->private_value;
 163        struct snd_soc_component *c = snd_kcontrol_chip(kcontrol);
 164        struct sst_data *drv = snd_soc_component_get_drvdata(c);
 165        unsigned int ctl_no = e->reg;
 166        unsigned int is_tx = e->tx;
 167        unsigned int val, mux;
 168        u8 *map = is_tx ? sst_ssp_rx_map : sst_ssp_tx_map;
 169
 170        mutex_lock(&drv->lock);
 171        val = 1 << ctl_no;
 172        /* search which slot/channel has this bit set - there should be only one */
 173        for (mux = e->max; mux > 0;  mux--)
 174                if (map[mux - 1] & val)
 175                        break;
 176
 177        ucontrol->value.enumerated.item[0] = mux;
 178        mutex_unlock(&drv->lock);
 179
 180        dev_dbg(c->dev, "%s - %s map = %#x\n",
 181                        is_tx ? "tx channel" : "rx slot",
 182                         e->texts[mux], mux ? map[mux - 1] : -1);
 183        return 0;
 184}
 185
 186/* sst_check_and_send_slot_map - helper for checking power state and sending
 187 * slot map cmd
 188 *
 189 * called with lock held
 190 */
 191static int sst_check_and_send_slot_map(struct sst_data *drv, struct snd_kcontrol *kcontrol)
 192{
 193        struct sst_enum *e = (void *)kcontrol->private_value;
 194        int ret = 0;
 195
 196        if (e->w && e->w->power)
 197                ret = sst_send_slot_map(drv);
 198        else if (!e->w)
 199                dev_err(&drv->pdev->dev, "Slot control: %s doesn't have DAPM widget!!!\n",
 200                                kcontrol->id.name);
 201        return ret;
 202}
 203
 204/**
 205 * sst_slot_put - set the status of interleaver/deinterleaver control
 206 * @kcontrol: control pointer
 207 * @ucontrol: User data
 208 * (de)interleaver controls are defined in opposite sense to be user-friendly
 209 *
 210 * Instead of the enum value being the value written to the register, it is the
 211 * register address; and the kcontrol number (register num) is the value written
 212 * to the register. This is so that there can be only one value for each
 213 * slot/channel since there is only one control for each slot/channel.
 214 *
 215 * This means that whenever an enum is set, we need to clear the bit
 216 * for that kcontrol_no for all the interleaver OR deinterleaver registers
 217 */
 218static int sst_slot_put(struct snd_kcontrol *kcontrol,
 219                        struct snd_ctl_elem_value *ucontrol)
 220{
 221        struct snd_soc_component *c = snd_soc_kcontrol_component(kcontrol);
 222        struct sst_data *drv = snd_soc_component_get_drvdata(c);
 223        struct sst_enum *e = (void *)kcontrol->private_value;
 224        int i, ret = 0;
 225        unsigned int ctl_no = e->reg;
 226        unsigned int is_tx = e->tx;
 227        unsigned int slot_channel_no;
 228        unsigned int val, mux;
 229        u8 *map;
 230
 231        map = is_tx ? sst_ssp_rx_map : sst_ssp_tx_map;
 232
 233        val = 1 << ctl_no;
 234        mux = ucontrol->value.enumerated.item[0];
 235        if (mux > e->max - 1)
 236                return -EINVAL;
 237
 238        mutex_lock(&drv->lock);
 239        /* first clear all registers of this bit */
 240        for (i = 0; i < e->max; i++)
 241                map[i] &= ~val;
 242
 243        if (mux == 0) {
 244                /* kctl set to 'none' and we reset the bits so send IPC */
 245                ret = sst_check_and_send_slot_map(drv, kcontrol);
 246
 247                mutex_unlock(&drv->lock);
 248                return ret;
 249        }
 250
 251        /* offset by one to take "None" into account */
 252        slot_channel_no = mux - 1;
 253        map[slot_channel_no] |= val;
 254
 255        dev_dbg(c->dev, "%s %s map = %#x\n",
 256                        is_tx ? "tx channel" : "rx slot",
 257                        e->texts[mux], map[slot_channel_no]);
 258
 259        ret = sst_check_and_send_slot_map(drv, kcontrol);
 260
 261        mutex_unlock(&drv->lock);
 262        return ret;
 263}
 264
 265static int sst_send_algo_cmd(struct sst_data *drv,
 266                              struct sst_algo_control *bc)
 267{
 268        int len, ret = 0;
 269        struct sst_cmd_set_params *cmd;
 270
 271        /*bc->max includes sizeof algos + length field*/
 272        len = sizeof(cmd->dst) + sizeof(cmd->command_id) + bc->max;
 273
 274        cmd = kzalloc(len, GFP_KERNEL);
 275        if (cmd == NULL)
 276                return -ENOMEM;
 277
 278        SST_FILL_DESTINATION(2, cmd->dst, bc->pipe_id, bc->module_id);
 279        cmd->command_id = bc->cmd_id;
 280        memcpy(cmd->params, bc->params, bc->max);
 281
 282        ret = sst_fill_and_send_cmd_unlocked(drv, SST_IPC_IA_SET_PARAMS,
 283                                SST_FLAG_BLOCKED, bc->task_id, 0, cmd, len);
 284        kfree(cmd);
 285        return ret;
 286}
 287
 288/**
 289 * sst_find_and_send_pipe_algo - send all the algo parameters for a pipe
 290 * @drv: sst_data
 291 * @pipe: string identifier
 292 * @ids: list of algorithms
 293 * The algos which are in each pipeline are sent to the firmware one by one
 294 *
 295 * Called with lock held
 296 */
 297static int sst_find_and_send_pipe_algo(struct sst_data *drv,
 298                                        const char *pipe, struct sst_ids *ids)
 299{
 300        int ret = 0;
 301        struct sst_algo_control *bc;
 302        struct sst_module *algo;
 303
 304        dev_dbg(&drv->pdev->dev, "Enter: widget=%s\n", pipe);
 305
 306        list_for_each_entry(algo, &ids->algo_list, node) {
 307                bc = (void *)algo->kctl->private_value;
 308
 309                dev_dbg(&drv->pdev->dev, "Found algo control name=%s pipe=%s\n",
 310                                algo->kctl->id.name, pipe);
 311                ret = sst_send_algo_cmd(drv, bc);
 312                if (ret)
 313                        return ret;
 314        }
 315        return ret;
 316}
 317
 318static int sst_algo_bytes_ctl_info(struct snd_kcontrol *kcontrol,
 319                            struct snd_ctl_elem_info *uinfo)
 320{
 321        struct sst_algo_control *bc = (void *)kcontrol->private_value;
 322
 323        uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES;
 324        uinfo->count = bc->max;
 325
 326        return 0;
 327}
 328
 329static int sst_algo_control_get(struct snd_kcontrol *kcontrol,
 330                                struct snd_ctl_elem_value *ucontrol)
 331{
 332        struct sst_algo_control *bc = (void *)kcontrol->private_value;
 333        struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
 334
 335        switch (bc->type) {
 336        case SST_ALGO_PARAMS:
 337                memcpy(ucontrol->value.bytes.data, bc->params, bc->max);
 338                break;
 339        default:
 340                dev_err(component->dev, "Invalid Input- algo type:%d\n",
 341                                bc->type);
 342                return -EINVAL;
 343
 344        }
 345        return 0;
 346}
 347
 348static int sst_algo_control_set(struct snd_kcontrol *kcontrol,
 349                                struct snd_ctl_elem_value *ucontrol)
 350{
 351        int ret = 0;
 352        struct snd_soc_component *cmpnt = snd_soc_kcontrol_component(kcontrol);
 353        struct sst_data *drv = snd_soc_component_get_drvdata(cmpnt);
 354        struct sst_algo_control *bc = (void *)kcontrol->private_value;
 355
 356        dev_dbg(cmpnt->dev, "control_name=%s\n", kcontrol->id.name);
 357        mutex_lock(&drv->lock);
 358        switch (bc->type) {
 359        case SST_ALGO_PARAMS:
 360                memcpy(bc->params, ucontrol->value.bytes.data, bc->max);
 361                break;
 362        default:
 363                mutex_unlock(&drv->lock);
 364                dev_err(cmpnt->dev, "Invalid Input- algo type:%d\n",
 365                                bc->type);
 366                return -EINVAL;
 367        }
 368        /*if pipe is enabled, need to send the algo params from here*/
 369        if (bc->w && bc->w->power)
 370                ret = sst_send_algo_cmd(drv, bc);
 371        mutex_unlock(&drv->lock);
 372
 373        return ret;
 374}
 375
 376static int sst_gain_ctl_info(struct snd_kcontrol *kcontrol,
 377        struct snd_ctl_elem_info *uinfo)
 378{
 379        struct sst_gain_mixer_control *mc = (void *)kcontrol->private_value;
 380
 381        uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 382        uinfo->count = mc->stereo ? 2 : 1;
 383        uinfo->value.integer.min = mc->min;
 384        uinfo->value.integer.max = mc->max;
 385
 386        return 0;
 387}
 388
 389/**
 390 * sst_send_gain_cmd - send the gain algorithm IPC to the FW
 391 * @drv: sst_data
 392 * @gv:the stored value of gain (also contains rampduration)
 393 * @task_id: task index
 394 * @loc_id: location/position index
 395 * @module_id: module index
 396 * @mute: flag that indicates whether this was called from the
 397 *  digital_mute callback or directly. If called from the
 398 *  digital_mute callback, module will be muted/unmuted based on this
 399 *  flag. The flag is always 0 if called directly.
 400 *
 401 * Called with sst_data.lock held
 402 *
 403 * The user-set gain value is sent only if the user-controllable 'mute' control
 404 * is OFF (indicated by gv->mute). Otherwise, the mute value (MIN value) is
 405 * sent.
 406 */
 407static int sst_send_gain_cmd(struct sst_data *drv, struct sst_gain_value *gv,
 408                              u16 task_id, u16 loc_id, u16 module_id, int mute)
 409{
 410        struct sst_cmd_set_gain_dual cmd;
 411
 412        dev_dbg(&drv->pdev->dev, "Enter\n");
 413
 414        cmd.header.command_id = MMX_SET_GAIN;
 415        SST_FILL_DEFAULT_DESTINATION(cmd.header.dst);
 416        cmd.gain_cell_num = 1;
 417
 418        if (mute || gv->mute) {
 419                cmd.cell_gains[0].cell_gain_left = SST_GAIN_MIN_VALUE;
 420                cmd.cell_gains[0].cell_gain_right = SST_GAIN_MIN_VALUE;
 421        } else {
 422                cmd.cell_gains[0].cell_gain_left = gv->l_gain;
 423                cmd.cell_gains[0].cell_gain_right = gv->r_gain;
 424        }
 425
 426        SST_FILL_DESTINATION(2, cmd.cell_gains[0].dest,
 427                             loc_id, module_id);
 428        cmd.cell_gains[0].gain_time_constant = gv->ramp_duration;
 429
 430        cmd.header.length = sizeof(struct sst_cmd_set_gain_dual)
 431                                - sizeof(struct sst_dsp_header);
 432
 433        /* we are with lock held, so call the unlocked api  to send */
 434        return sst_fill_and_send_cmd_unlocked(drv, SST_IPC_IA_SET_PARAMS,
 435                                SST_FLAG_BLOCKED, task_id, 0, &cmd,
 436                              sizeof(cmd.header) + cmd.header.length);
 437}
 438
 439static int sst_gain_get(struct snd_kcontrol *kcontrol,
 440                        struct snd_ctl_elem_value *ucontrol)
 441{
 442        struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
 443        struct sst_gain_mixer_control *mc = (void *)kcontrol->private_value;
 444        struct sst_gain_value *gv = mc->gain_val;
 445
 446        switch (mc->type) {
 447        case SST_GAIN_TLV:
 448                ucontrol->value.integer.value[0] = gv->l_gain;
 449                ucontrol->value.integer.value[1] = gv->r_gain;
 450                break;
 451
 452        case SST_GAIN_MUTE:
 453                ucontrol->value.integer.value[0] = gv->mute ? 0 : 1;
 454                break;
 455
 456        case SST_GAIN_RAMP_DURATION:
 457                ucontrol->value.integer.value[0] = gv->ramp_duration;
 458                break;
 459
 460        default:
 461                dev_err(component->dev, "Invalid Input- gain type:%d\n",
 462                                mc->type);
 463                return -EINVAL;
 464        }
 465
 466        return 0;
 467}
 468
 469static int sst_gain_put(struct snd_kcontrol *kcontrol,
 470                        struct snd_ctl_elem_value *ucontrol)
 471{
 472        int ret = 0;
 473        struct snd_soc_component *cmpnt = snd_soc_kcontrol_component(kcontrol);
 474        struct sst_data *drv = snd_soc_component_get_drvdata(cmpnt);
 475        struct sst_gain_mixer_control *mc = (void *)kcontrol->private_value;
 476        struct sst_gain_value *gv = mc->gain_val;
 477
 478        mutex_lock(&drv->lock);
 479
 480        switch (mc->type) {
 481        case SST_GAIN_TLV:
 482                gv->l_gain = ucontrol->value.integer.value[0];
 483                gv->r_gain = ucontrol->value.integer.value[1];
 484                dev_dbg(cmpnt->dev, "%s: Volume %d, %d\n",
 485                                mc->pname, gv->l_gain, gv->r_gain);
 486                break;
 487
 488        case SST_GAIN_MUTE:
 489                gv->mute = !ucontrol->value.integer.value[0];
 490                dev_dbg(cmpnt->dev, "%s: Mute %d\n", mc->pname, gv->mute);
 491                break;
 492
 493        case SST_GAIN_RAMP_DURATION:
 494                gv->ramp_duration = ucontrol->value.integer.value[0];
 495                dev_dbg(cmpnt->dev, "%s: Ramp Delay%d\n",
 496                                        mc->pname, gv->ramp_duration);
 497                break;
 498
 499        default:
 500                mutex_unlock(&drv->lock);
 501                dev_err(cmpnt->dev, "Invalid Input- gain type:%d\n",
 502                                mc->type);
 503                return -EINVAL;
 504        }
 505
 506        if (mc->w && mc->w->power)
 507                ret = sst_send_gain_cmd(drv, gv, mc->task_id,
 508                        mc->pipe_id | mc->instance_id, mc->module_id, 0);
 509        mutex_unlock(&drv->lock);
 510
 511        return ret;
 512}
 513
 514static int sst_set_pipe_gain(struct sst_ids *ids,
 515                                struct sst_data *drv, int mute);
 516
 517static int sst_send_pipe_module_params(struct snd_soc_dapm_widget *w,
 518                struct snd_kcontrol *kcontrol)
 519{
 520        struct snd_soc_component *c = snd_soc_dapm_to_component(w->dapm);
 521        struct sst_data *drv = snd_soc_component_get_drvdata(c);
 522        struct sst_ids *ids = w->priv;
 523
 524        mutex_lock(&drv->lock);
 525        sst_find_and_send_pipe_algo(drv, w->name, ids);
 526        sst_set_pipe_gain(ids, drv, 0);
 527        mutex_unlock(&drv->lock);
 528
 529        return 0;
 530}
 531
 532static int sst_generic_modules_event(struct snd_soc_dapm_widget *w,
 533                                     struct snd_kcontrol *k, int event)
 534{
 535        if (SND_SOC_DAPM_EVENT_ON(event))
 536                return sst_send_pipe_module_params(w, k);
 537        return 0;
 538}
 539
 540static const DECLARE_TLV_DB_SCALE(sst_gain_tlv_common, SST_GAIN_MIN_VALUE * 10, 10, 0);
 541
 542/* Look up table to convert MIXER SW bit regs to SWM inputs */
 543static const uint swm_mixer_input_ids[SST_SWM_INPUT_COUNT] = {
 544        [SST_IP_MODEM]          = SST_SWM_IN_MODEM,
 545        [SST_IP_CODEC0]         = SST_SWM_IN_CODEC0,
 546        [SST_IP_CODEC1]         = SST_SWM_IN_CODEC1,
 547        [SST_IP_LOOP0]          = SST_SWM_IN_SPROT_LOOP,
 548        [SST_IP_LOOP1]          = SST_SWM_IN_MEDIA_LOOP1,
 549        [SST_IP_LOOP2]          = SST_SWM_IN_MEDIA_LOOP2,
 550        [SST_IP_PCM0]           = SST_SWM_IN_PCM0,
 551        [SST_IP_PCM1]           = SST_SWM_IN_PCM1,
 552        [SST_IP_MEDIA0]         = SST_SWM_IN_MEDIA0,
 553        [SST_IP_MEDIA1]         = SST_SWM_IN_MEDIA1,
 554        [SST_IP_MEDIA2]         = SST_SWM_IN_MEDIA2,
 555        [SST_IP_MEDIA3]         = SST_SWM_IN_MEDIA3,
 556};
 557
 558/**
 559 * fill_swm_input - fill in the SWM input ids given the register
 560 * @cmpnt: ASoC component
 561 * @swm_input: array of swm_input_ids
 562 * @reg: the register value is a bit-field inicated which mixer inputs are ON.
 563 *
 564 * Use the lookup table to get the input-id and fill it in the
 565 * structure.
 566 */
 567static int fill_swm_input(struct snd_soc_component *cmpnt,
 568                struct swm_input_ids *swm_input, unsigned int reg)
 569{
 570        uint i, is_set, nb_inputs = 0;
 571        u16 input_loc_id;
 572
 573        dev_dbg(cmpnt->dev, "reg: %#x\n", reg);
 574        for (i = 0; i < SST_SWM_INPUT_COUNT; i++) {
 575                is_set = reg & BIT(i);
 576                if (!is_set)
 577                        continue;
 578
 579                input_loc_id = swm_mixer_input_ids[i];
 580                SST_FILL_DESTINATION(2, swm_input->input_id,
 581                                     input_loc_id, SST_DEFAULT_MODULE_ID);
 582                nb_inputs++;
 583                swm_input++;
 584                dev_dbg(cmpnt->dev, "input id: %#x, nb_inputs: %d\n",
 585                                input_loc_id, nb_inputs);
 586
 587                if (nb_inputs == SST_CMD_SWM_MAX_INPUTS) {
 588                        dev_warn(cmpnt->dev, "SET_SWM cmd max inputs reached");
 589                        break;
 590                }
 591        }
 592        return nb_inputs;
 593}
 594
 595
 596/*
 597 * called with lock held
 598 */
 599static int sst_set_pipe_gain(struct sst_ids *ids,
 600                        struct sst_data *drv, int mute)
 601{
 602        int ret = 0;
 603        struct sst_gain_mixer_control *mc;
 604        struct sst_gain_value *gv;
 605        struct sst_module *gain;
 606
 607        list_for_each_entry(gain, &ids->gain_list, node) {
 608                struct snd_kcontrol *kctl = gain->kctl;
 609
 610                dev_dbg(&drv->pdev->dev, "control name=%s\n", kctl->id.name);
 611                mc = (void *)kctl->private_value;
 612                gv = mc->gain_val;
 613
 614                ret = sst_send_gain_cmd(drv, gv, mc->task_id,
 615                        mc->pipe_id | mc->instance_id, mc->module_id, mute);
 616                if (ret)
 617                        return ret;
 618        }
 619        return ret;
 620}
 621
 622static int sst_swm_mixer_event(struct snd_soc_dapm_widget *w,
 623                        struct snd_kcontrol *k, int event)
 624{
 625        struct sst_cmd_set_swm cmd;
 626        struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
 627        struct sst_data *drv = snd_soc_component_get_drvdata(cmpnt);
 628        struct sst_ids *ids = w->priv;
 629        bool set_mixer = false;
 630        struct soc_mixer_control *mc;
 631        int val = 0;
 632        int i = 0;
 633
 634        dev_dbg(cmpnt->dev, "widget = %s\n", w->name);
 635        /*
 636         * Identify which mixer input is on and send the bitmap of the
 637         * inputs as an IPC to the DSP.
 638         */
 639        for (i = 0; i < w->num_kcontrols; i++) {
 640                if (dapm_kcontrol_get_value(w->kcontrols[i])) {
 641                        mc = (struct soc_mixer_control *)(w->kcontrols[i])->private_value;
 642                        val |= 1 << mc->shift;
 643                }
 644        }
 645        dev_dbg(cmpnt->dev, "val = %#x\n", val);
 646
 647        switch (event) {
 648        case SND_SOC_DAPM_PRE_PMU:
 649        case SND_SOC_DAPM_POST_PMD:
 650                set_mixer = true;
 651                break;
 652        case SND_SOC_DAPM_POST_REG:
 653                if (w->power)
 654                        set_mixer = true;
 655                break;
 656        default:
 657                set_mixer = false;
 658        }
 659
 660        if (!set_mixer)
 661                return 0;
 662
 663        if (SND_SOC_DAPM_EVENT_ON(event) ||
 664            event == SND_SOC_DAPM_POST_REG)
 665                cmd.switch_state = SST_SWM_ON;
 666        else
 667                cmd.switch_state = SST_SWM_OFF;
 668
 669        SST_FILL_DEFAULT_DESTINATION(cmd.header.dst);
 670        /* MMX_SET_SWM == SBA_SET_SWM */
 671        cmd.header.command_id = SBA_SET_SWM;
 672
 673        SST_FILL_DESTINATION(2, cmd.output_id,
 674                             ids->location_id, SST_DEFAULT_MODULE_ID);
 675        cmd.nb_inputs = fill_swm_input(cmpnt, &cmd.input[0], val);
 676        cmd.header.length = offsetof(struct sst_cmd_set_swm, input)
 677                                - sizeof(struct sst_dsp_header)
 678                                + (cmd.nb_inputs * sizeof(cmd.input[0]));
 679
 680        return sst_fill_and_send_cmd(drv, SST_IPC_IA_CMD, SST_FLAG_BLOCKED,
 681                              ids->task_id, 0, &cmd,
 682                              sizeof(cmd.header) + cmd.header.length);
 683}
 684
 685/* SBA mixers - 16 inputs */
 686#define SST_SBA_DECLARE_MIX_CONTROLS(kctl_name)                                                 \
 687        static const struct snd_kcontrol_new kctl_name[] = {                                    \
 688                SOC_DAPM_SINGLE("modem_in Switch", SND_SOC_NOPM, SST_IP_MODEM, 1, 0),           \
 689                SOC_DAPM_SINGLE("codec_in0 Switch", SND_SOC_NOPM, SST_IP_CODEC0, 1, 0),         \
 690                SOC_DAPM_SINGLE("codec_in1 Switch", SND_SOC_NOPM, SST_IP_CODEC1, 1, 0),         \
 691                SOC_DAPM_SINGLE("sprot_loop_in Switch", SND_SOC_NOPM, SST_IP_LOOP0, 1, 0),      \
 692                SOC_DAPM_SINGLE("media_loop1_in Switch", SND_SOC_NOPM, SST_IP_LOOP1, 1, 0),     \
 693                SOC_DAPM_SINGLE("media_loop2_in Switch", SND_SOC_NOPM, SST_IP_LOOP2, 1, 0),     \
 694                SOC_DAPM_SINGLE("pcm0_in Switch", SND_SOC_NOPM, SST_IP_PCM0, 1, 0),             \
 695                SOC_DAPM_SINGLE("pcm1_in Switch", SND_SOC_NOPM, SST_IP_PCM1, 1, 0),             \
 696        }
 697
 698#define SST_SBA_MIXER_GRAPH_MAP(mix_name)                       \
 699        { mix_name, "modem_in Switch",  "modem_in" },           \
 700        { mix_name, "codec_in0 Switch", "codec_in0" },          \
 701        { mix_name, "codec_in1 Switch", "codec_in1" },          \
 702        { mix_name, "sprot_loop_in Switch",     "sprot_loop_in" },      \
 703        { mix_name, "media_loop1_in Switch",    "media_loop1_in" },     \
 704        { mix_name, "media_loop2_in Switch",    "media_loop2_in" },     \
 705        { mix_name, "pcm0_in Switch",           "pcm0_in" },            \
 706        { mix_name, "pcm1_in Switch",           "pcm1_in" }
 707
 708#define SST_MMX_DECLARE_MIX_CONTROLS(kctl_name)                                         \
 709        static const struct snd_kcontrol_new kctl_name[] = {                            \
 710                SOC_DAPM_SINGLE("media0_in Switch", SND_SOC_NOPM, SST_IP_MEDIA0, 1, 0), \
 711                SOC_DAPM_SINGLE("media1_in Switch", SND_SOC_NOPM, SST_IP_MEDIA1, 1, 0), \
 712                SOC_DAPM_SINGLE("media2_in Switch", SND_SOC_NOPM, SST_IP_MEDIA2, 1, 0), \
 713                SOC_DAPM_SINGLE("media3_in Switch", SND_SOC_NOPM, SST_IP_MEDIA3, 1, 0), \
 714        }
 715
 716SST_MMX_DECLARE_MIX_CONTROLS(sst_mix_media0_controls);
 717SST_MMX_DECLARE_MIX_CONTROLS(sst_mix_media1_controls);
 718
 719/* 18 SBA mixers */
 720SST_SBA_DECLARE_MIX_CONTROLS(sst_mix_pcm0_controls);
 721SST_SBA_DECLARE_MIX_CONTROLS(sst_mix_pcm1_controls);
 722SST_SBA_DECLARE_MIX_CONTROLS(sst_mix_pcm2_controls);
 723SST_SBA_DECLARE_MIX_CONTROLS(sst_mix_sprot_l0_controls);
 724SST_SBA_DECLARE_MIX_CONTROLS(sst_mix_media_l1_controls);
 725SST_SBA_DECLARE_MIX_CONTROLS(sst_mix_media_l2_controls);
 726SST_SBA_DECLARE_MIX_CONTROLS(__maybe_unused sst_mix_voip_controls);
 727SST_SBA_DECLARE_MIX_CONTROLS(sst_mix_codec0_controls);
 728SST_SBA_DECLARE_MIX_CONTROLS(sst_mix_codec1_controls);
 729SST_SBA_DECLARE_MIX_CONTROLS(sst_mix_modem_controls);
 730
 731/*
 732 * sst_handle_vb_timer - Start/Stop the DSP scheduler
 733 *
 734 * The DSP expects first cmd to be SBA_VB_START, so at first startup send
 735 * that.
 736 * DSP expects last cmd to be SBA_VB_IDLE, so at last shutdown send that.
 737 *
 738 * Do refcount internally so that we send command only at first start
 739 * and last end. Since SST driver does its own ref count, invoke sst's
 740 * power ops always!
 741 */
 742int sst_handle_vb_timer(struct snd_soc_dai *dai, bool enable)
 743{
 744        int ret = 0;
 745        struct sst_cmd_generic cmd;
 746        struct sst_data *drv = snd_soc_dai_get_drvdata(dai);
 747        static int timer_usage;
 748
 749        if (enable)
 750                cmd.header.command_id = SBA_VB_START;
 751        else
 752                cmd.header.command_id = SBA_IDLE;
 753        dev_dbg(dai->dev, "enable=%u, usage=%d\n", enable, timer_usage);
 754
 755        SST_FILL_DEFAULT_DESTINATION(cmd.header.dst);
 756        cmd.header.length = 0;
 757
 758        if (enable) {
 759                ret = sst->ops->power(sst->dev, true);
 760                if (ret < 0)
 761                        return ret;
 762        }
 763
 764        mutex_lock(&drv->lock);
 765        if (enable)
 766                timer_usage++;
 767        else
 768                timer_usage--;
 769
 770        /*
 771         * Send the command only if this call is the first enable or last
 772         * disable
 773         */
 774        if ((enable && (timer_usage == 1)) ||
 775            (!enable && (timer_usage == 0))) {
 776                ret = sst_fill_and_send_cmd_unlocked(drv, SST_IPC_IA_CMD,
 777                                SST_FLAG_BLOCKED, SST_TASK_SBA, 0, &cmd,
 778                                sizeof(cmd.header) + cmd.header.length);
 779                if (ret && enable) {
 780                        timer_usage--;
 781                        enable  = false;
 782                }
 783        }
 784        mutex_unlock(&drv->lock);
 785
 786        if (!enable)
 787                sst->ops->power(sst->dev, false);
 788        return ret;
 789}
 790
 791int sst_fill_ssp_slot(struct snd_soc_dai *dai, unsigned int tx_mask,
 792                unsigned int rx_mask, int slots, int slot_width)
 793{
 794        struct sst_data *ctx = snd_soc_dai_get_drvdata(dai);
 795
 796        ctx->ssp_cmd.nb_slots = slots;
 797        ctx->ssp_cmd.active_tx_slot_map = tx_mask;
 798        ctx->ssp_cmd.active_rx_slot_map = rx_mask;
 799        ctx->ssp_cmd.nb_bits_per_slots = slot_width;
 800
 801        return 0;
 802}
 803
 804static int sst_get_frame_sync_polarity(struct snd_soc_dai *dai,
 805                unsigned int fmt)
 806{
 807        int format;
 808
 809        format = fmt & SND_SOC_DAIFMT_INV_MASK;
 810        dev_dbg(dai->dev, "Enter:%s, format=%x\n", __func__, format);
 811
 812        switch (format) {
 813        case SND_SOC_DAIFMT_NB_NF:
 814        case SND_SOC_DAIFMT_IB_NF:
 815                return SSP_FS_ACTIVE_HIGH;
 816        case SND_SOC_DAIFMT_NB_IF:
 817        case SND_SOC_DAIFMT_IB_IF:
 818                return SSP_FS_ACTIVE_LOW;
 819        default:
 820                dev_err(dai->dev, "Invalid frame sync polarity %d\n", format);
 821        }
 822
 823        return -EINVAL;
 824}
 825
 826static int sst_get_ssp_mode(struct snd_soc_dai *dai, unsigned int fmt)
 827{
 828        int format;
 829
 830        format = (fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK);
 831        dev_dbg(dai->dev, "Enter:%s, format=%x\n", __func__, format);
 832
 833        switch (format) {
 834        case SND_SOC_DAIFMT_CBC_CFC:
 835                return SSP_MODE_PROVIDER;
 836        case SND_SOC_DAIFMT_CBP_CFP:
 837                return SSP_MODE_CONSUMER;
 838        default:
 839                dev_err(dai->dev, "Invalid ssp protocol: %d\n", format);
 840        }
 841
 842        return -EINVAL;
 843}
 844
 845
 846int sst_fill_ssp_config(struct snd_soc_dai *dai, unsigned int fmt)
 847{
 848        unsigned int mode;
 849        int fs_polarity;
 850        struct sst_data *ctx = snd_soc_dai_get_drvdata(dai);
 851
 852        mode = fmt & SND_SOC_DAIFMT_FORMAT_MASK;
 853
 854        switch (mode) {
 855        case SND_SOC_DAIFMT_DSP_B:
 856                ctx->ssp_cmd.ssp_protocol = SSP_MODE_PCM;
 857                ctx->ssp_cmd.mode = sst_get_ssp_mode(dai, fmt) | (SSP_PCM_MODE_NETWORK << 1);
 858                ctx->ssp_cmd.start_delay = 0;
 859                ctx->ssp_cmd.data_polarity = 1;
 860                ctx->ssp_cmd.frame_sync_width = 1;
 861                break;
 862
 863        case SND_SOC_DAIFMT_DSP_A:
 864                ctx->ssp_cmd.ssp_protocol = SSP_MODE_PCM;
 865                ctx->ssp_cmd.mode = sst_get_ssp_mode(dai, fmt) | (SSP_PCM_MODE_NETWORK << 1);
 866                ctx->ssp_cmd.start_delay = 1;
 867                ctx->ssp_cmd.data_polarity = 1;
 868                ctx->ssp_cmd.frame_sync_width = 1;
 869                break;
 870
 871        case SND_SOC_DAIFMT_I2S:
 872                ctx->ssp_cmd.ssp_protocol = SSP_MODE_I2S;
 873                ctx->ssp_cmd.mode = sst_get_ssp_mode(dai, fmt) | (SSP_PCM_MODE_NORMAL << 1);
 874                ctx->ssp_cmd.start_delay = 1;
 875                ctx->ssp_cmd.data_polarity = 0;
 876                ctx->ssp_cmd.frame_sync_width = ctx->ssp_cmd.nb_bits_per_slots;
 877                break;
 878
 879        case SND_SOC_DAIFMT_LEFT_J:
 880                ctx->ssp_cmd.ssp_protocol = SSP_MODE_I2S;
 881                ctx->ssp_cmd.mode = sst_get_ssp_mode(dai, fmt) | (SSP_PCM_MODE_NORMAL << 1);
 882                ctx->ssp_cmd.start_delay = 0;
 883                ctx->ssp_cmd.data_polarity = 0;
 884                ctx->ssp_cmd.frame_sync_width = ctx->ssp_cmd.nb_bits_per_slots;
 885                break;
 886
 887        default:
 888                dev_dbg(dai->dev, "using default ssp configs\n");
 889        }
 890
 891        fs_polarity = sst_get_frame_sync_polarity(dai, fmt);
 892        if (fs_polarity < 0)
 893                return fs_polarity;
 894
 895        ctx->ssp_cmd.frame_sync_polarity = fs_polarity;
 896
 897        return 0;
 898}
 899
 900/*
 901 * sst_ssp_config - contains SSP configuration for media UC
 902 * this can be overwritten by set_dai_xxx APIs
 903 */
 904static const struct sst_ssp_config sst_ssp_configs = {
 905        .ssp_id = SSP_CODEC,
 906        .bits_per_slot = 24,
 907        .slots = 4,
 908        .ssp_mode = SSP_MODE_PROVIDER,
 909        .pcm_mode = SSP_PCM_MODE_NETWORK,
 910        .duplex = SSP_DUPLEX,
 911        .ssp_protocol = SSP_MODE_PCM,
 912        .fs_width = 1,
 913        .fs_frequency = SSP_FS_48_KHZ,
 914        .active_slot_map = 0xF,
 915        .start_delay = 0,
 916        .frame_sync_polarity = SSP_FS_ACTIVE_HIGH,
 917        .data_polarity = 1,
 918};
 919
 920void sst_fill_ssp_defaults(struct snd_soc_dai *dai)
 921{
 922        const struct sst_ssp_config *config;
 923        struct sst_data *ctx = snd_soc_dai_get_drvdata(dai);
 924
 925        config = &sst_ssp_configs;
 926
 927        ctx->ssp_cmd.selection = config->ssp_id;
 928        ctx->ssp_cmd.nb_bits_per_slots = config->bits_per_slot;
 929        ctx->ssp_cmd.nb_slots = config->slots;
 930        ctx->ssp_cmd.mode = config->ssp_mode | (config->pcm_mode << 1);
 931        ctx->ssp_cmd.duplex = config->duplex;
 932        ctx->ssp_cmd.active_tx_slot_map = config->active_slot_map;
 933        ctx->ssp_cmd.active_rx_slot_map = config->active_slot_map;
 934        ctx->ssp_cmd.frame_sync_frequency = config->fs_frequency;
 935        ctx->ssp_cmd.frame_sync_polarity = config->frame_sync_polarity;
 936        ctx->ssp_cmd.data_polarity = config->data_polarity;
 937        ctx->ssp_cmd.frame_sync_width = config->fs_width;
 938        ctx->ssp_cmd.ssp_protocol = config->ssp_protocol;
 939        ctx->ssp_cmd.start_delay = config->start_delay;
 940        ctx->ssp_cmd.reserved1 = ctx->ssp_cmd.reserved2 = 0xFF;
 941}
 942
 943int send_ssp_cmd(struct snd_soc_dai *dai, const char *id, bool enable)
 944{
 945        struct sst_data *drv = snd_soc_dai_get_drvdata(dai);
 946        int ssp_id;
 947
 948        dev_dbg(dai->dev, "Enter: enable=%d port_name=%s\n", enable, id);
 949
 950        if (strcmp(id, "ssp0-port") == 0)
 951                ssp_id = SSP_MODEM;
 952        else if (strcmp(id, "ssp2-port") == 0)
 953                ssp_id = SSP_CODEC;
 954        else {
 955                dev_dbg(dai->dev, "port %s is not supported\n", id);
 956                return -1;
 957        }
 958
 959        SST_FILL_DEFAULT_DESTINATION(drv->ssp_cmd.header.dst);
 960        drv->ssp_cmd.header.command_id = SBA_HW_SET_SSP;
 961        drv->ssp_cmd.header.length = sizeof(struct sst_cmd_sba_hw_set_ssp)
 962                                - sizeof(struct sst_dsp_header);
 963
 964        drv->ssp_cmd.selection = ssp_id;
 965        dev_dbg(dai->dev, "ssp_id: %u\n", ssp_id);
 966
 967        if (enable)
 968                drv->ssp_cmd.switch_state = SST_SWITCH_ON;
 969        else
 970                drv->ssp_cmd.switch_state = SST_SWITCH_OFF;
 971
 972        return sst_fill_and_send_cmd(drv, SST_IPC_IA_CMD, SST_FLAG_BLOCKED,
 973                                SST_TASK_SBA, 0, &drv->ssp_cmd,
 974                                sizeof(drv->ssp_cmd.header) + drv->ssp_cmd.header.length);
 975}
 976
 977static int sst_set_be_modules(struct snd_soc_dapm_widget *w,
 978                         struct snd_kcontrol *k, int event)
 979{
 980        int ret = 0;
 981        struct snd_soc_component *c = snd_soc_dapm_to_component(w->dapm);
 982        struct sst_data *drv = snd_soc_component_get_drvdata(c);
 983
 984        dev_dbg(c->dev, "Enter: widget=%s\n", w->name);
 985
 986        if (SND_SOC_DAPM_EVENT_ON(event)) {
 987                mutex_lock(&drv->lock);
 988                ret = sst_send_slot_map(drv);
 989                mutex_unlock(&drv->lock);
 990                if (ret)
 991                        return ret;
 992                ret = sst_send_pipe_module_params(w, k);
 993        }
 994        return ret;
 995}
 996
 997static int sst_set_media_path(struct snd_soc_dapm_widget *w,
 998                              struct snd_kcontrol *k, int event)
 999{
1000        int ret = 0;
1001        struct sst_cmd_set_media_path cmd;
1002        struct snd_soc_component *c = snd_soc_dapm_to_component(w->dapm);
1003        struct sst_data *drv = snd_soc_component_get_drvdata(c);
1004        struct sst_ids *ids = w->priv;
1005
1006        dev_dbg(c->dev, "widget=%s\n", w->name);
1007        dev_dbg(c->dev, "task=%u, location=%#x\n",
1008                                ids->task_id, ids->location_id);
1009
1010        if (SND_SOC_DAPM_EVENT_ON(event))
1011                cmd.switch_state = SST_PATH_ON;
1012        else
1013                cmd.switch_state = SST_PATH_OFF;
1014
1015        SST_FILL_DESTINATION(2, cmd.header.dst,
1016                             ids->location_id, SST_DEFAULT_MODULE_ID);
1017
1018        /* MMX_SET_MEDIA_PATH == SBA_SET_MEDIA_PATH */
1019        cmd.header.command_id = MMX_SET_MEDIA_PATH;
1020        cmd.header.length = sizeof(struct sst_cmd_set_media_path)
1021                                - sizeof(struct sst_dsp_header);
1022
1023        ret = sst_fill_and_send_cmd(drv, SST_IPC_IA_CMD, SST_FLAG_BLOCKED,
1024                              ids->task_id, 0, &cmd,
1025                              sizeof(cmd.header) + cmd.header.length);
1026        if (ret)
1027                return ret;
1028
1029        if (SND_SOC_DAPM_EVENT_ON(event))
1030                ret = sst_send_pipe_module_params(w, k);
1031        return ret;
1032}
1033
1034static int sst_set_media_loop(struct snd_soc_dapm_widget *w,
1035                        struct snd_kcontrol *k, int event)
1036{
1037        int ret = 0;
1038        struct sst_cmd_sba_set_media_loop_map cmd;
1039        struct snd_soc_component *c = snd_soc_dapm_to_component(w->dapm);
1040        struct sst_data *drv = snd_soc_component_get_drvdata(c);
1041        struct sst_ids *ids = w->priv;
1042
1043        dev_dbg(c->dev, "Enter:widget=%s\n", w->name);
1044        if (SND_SOC_DAPM_EVENT_ON(event))
1045                cmd.switch_state = SST_SWITCH_ON;
1046        else
1047                cmd.switch_state = SST_SWITCH_OFF;
1048
1049        SST_FILL_DESTINATION(2, cmd.header.dst,
1050                             ids->location_id, SST_DEFAULT_MODULE_ID);
1051
1052        cmd.header.command_id = SBA_SET_MEDIA_LOOP_MAP;
1053        cmd.header.length = sizeof(struct sst_cmd_sba_set_media_loop_map)
1054                                 - sizeof(struct sst_dsp_header);
1055        cmd.param.part.cfg.rate = 2; /* 48khz */
1056
1057        cmd.param.part.cfg.format = ids->format; /* stereo/Mono */
1058        cmd.param.part.cfg.s_length = 1; /* 24bit left justified */
1059        cmd.map = 0; /* Algo sequence: Gain - DRP - FIR - IIR */
1060
1061        ret = sst_fill_and_send_cmd(drv, SST_IPC_IA_CMD, SST_FLAG_BLOCKED,
1062                              SST_TASK_SBA, 0, &cmd,
1063                              sizeof(cmd.header) + cmd.header.length);
1064        if (ret)
1065                return ret;
1066
1067        if (SND_SOC_DAPM_EVENT_ON(event))
1068                ret = sst_send_pipe_module_params(w, k);
1069        return ret;
1070}
1071
1072static const struct snd_soc_dapm_widget sst_dapm_widgets[] = {
1073        SST_AIF_IN("modem_in", sst_set_be_modules),
1074        SST_AIF_IN("codec_in0", sst_set_be_modules),
1075        SST_AIF_IN("codec_in1", sst_set_be_modules),
1076        SST_AIF_OUT("modem_out", sst_set_be_modules),
1077        SST_AIF_OUT("codec_out0", sst_set_be_modules),
1078        SST_AIF_OUT("codec_out1", sst_set_be_modules),
1079
1080        /* Media Paths */
1081        /* MediaX IN paths are set via ALLOC, so no SET_MEDIA_PATH command */
1082        SST_PATH_INPUT("media0_in", SST_TASK_MMX, SST_SWM_IN_MEDIA0, sst_generic_modules_event),
1083        SST_PATH_INPUT("media1_in", SST_TASK_MMX, SST_SWM_IN_MEDIA1, NULL),
1084        SST_PATH_INPUT("media2_in", SST_TASK_MMX, SST_SWM_IN_MEDIA2, sst_set_media_path),
1085        SST_PATH_INPUT("media3_in", SST_TASK_MMX, SST_SWM_IN_MEDIA3, NULL),
1086        SST_PATH_OUTPUT("media0_out", SST_TASK_MMX, SST_SWM_OUT_MEDIA0, sst_set_media_path),
1087        SST_PATH_OUTPUT("media1_out", SST_TASK_MMX, SST_SWM_OUT_MEDIA1, sst_set_media_path),
1088
1089        /* SBA PCM Paths */
1090        SST_PATH_INPUT("pcm0_in", SST_TASK_SBA, SST_SWM_IN_PCM0, sst_set_media_path),
1091        SST_PATH_INPUT("pcm1_in", SST_TASK_SBA, SST_SWM_IN_PCM1, sst_set_media_path),
1092        SST_PATH_OUTPUT("pcm0_out", SST_TASK_SBA, SST_SWM_OUT_PCM0, sst_set_media_path),
1093        SST_PATH_OUTPUT("pcm1_out", SST_TASK_SBA, SST_SWM_OUT_PCM1, sst_set_media_path),
1094        SST_PATH_OUTPUT("pcm2_out", SST_TASK_SBA, SST_SWM_OUT_PCM2, sst_set_media_path),
1095
1096        /* SBA Loops */
1097        SST_PATH_INPUT("sprot_loop_in", SST_TASK_SBA, SST_SWM_IN_SPROT_LOOP, NULL),
1098        SST_PATH_INPUT("media_loop1_in", SST_TASK_SBA, SST_SWM_IN_MEDIA_LOOP1, NULL),
1099        SST_PATH_INPUT("media_loop2_in", SST_TASK_SBA, SST_SWM_IN_MEDIA_LOOP2, NULL),
1100        SST_PATH_MEDIA_LOOP_OUTPUT("sprot_loop_out", SST_TASK_SBA, SST_SWM_OUT_SPROT_LOOP, SST_FMT_STEREO, sst_set_media_loop),
1101        SST_PATH_MEDIA_LOOP_OUTPUT("media_loop1_out", SST_TASK_SBA, SST_SWM_OUT_MEDIA_LOOP1, SST_FMT_STEREO, sst_set_media_loop),
1102        SST_PATH_MEDIA_LOOP_OUTPUT("media_loop2_out", SST_TASK_SBA, SST_SWM_OUT_MEDIA_LOOP2, SST_FMT_STEREO, sst_set_media_loop),
1103
1104        /* Media Mixers */
1105        SST_SWM_MIXER("media0_out mix 0", SND_SOC_NOPM, SST_TASK_MMX, SST_SWM_OUT_MEDIA0,
1106                      sst_mix_media0_controls, sst_swm_mixer_event),
1107        SST_SWM_MIXER("media1_out mix 0", SND_SOC_NOPM, SST_TASK_MMX, SST_SWM_OUT_MEDIA1,
1108                      sst_mix_media1_controls, sst_swm_mixer_event),
1109
1110        /* SBA PCM mixers */
1111        SST_SWM_MIXER("pcm0_out mix 0", SND_SOC_NOPM, SST_TASK_SBA, SST_SWM_OUT_PCM0,
1112                      sst_mix_pcm0_controls, sst_swm_mixer_event),
1113        SST_SWM_MIXER("pcm1_out mix 0", SND_SOC_NOPM, SST_TASK_SBA, SST_SWM_OUT_PCM1,
1114                      sst_mix_pcm1_controls, sst_swm_mixer_event),
1115        SST_SWM_MIXER("pcm2_out mix 0", SND_SOC_NOPM, SST_TASK_SBA, SST_SWM_OUT_PCM2,
1116                      sst_mix_pcm2_controls, sst_swm_mixer_event),
1117
1118        /* SBA Loop mixers */
1119        SST_SWM_MIXER("sprot_loop_out mix 0", SND_SOC_NOPM, SST_TASK_SBA, SST_SWM_OUT_SPROT_LOOP,
1120                      sst_mix_sprot_l0_controls, sst_swm_mixer_event),
1121        SST_SWM_MIXER("media_loop1_out mix 0", SND_SOC_NOPM, SST_TASK_SBA, SST_SWM_OUT_MEDIA_LOOP1,
1122                      sst_mix_media_l1_controls, sst_swm_mixer_event),
1123        SST_SWM_MIXER("media_loop2_out mix 0", SND_SOC_NOPM, SST_TASK_SBA, SST_SWM_OUT_MEDIA_LOOP2,
1124                      sst_mix_media_l2_controls, sst_swm_mixer_event),
1125
1126        /* SBA Backend mixers */
1127        SST_SWM_MIXER("codec_out0 mix 0", SND_SOC_NOPM, SST_TASK_SBA, SST_SWM_OUT_CODEC0,
1128                      sst_mix_codec0_controls, sst_swm_mixer_event),
1129        SST_SWM_MIXER("codec_out1 mix 0", SND_SOC_NOPM, SST_TASK_SBA, SST_SWM_OUT_CODEC1,
1130                      sst_mix_codec1_controls, sst_swm_mixer_event),
1131        SST_SWM_MIXER("modem_out mix 0", SND_SOC_NOPM, SST_TASK_SBA, SST_SWM_OUT_MODEM,
1132                      sst_mix_modem_controls, sst_swm_mixer_event),
1133
1134};
1135
1136static const struct snd_soc_dapm_route intercon[] = {
1137        {"media0_in", NULL, "Compress Playback"},
1138        {"media1_in", NULL, "Headset Playback"},
1139        {"media2_in", NULL, "pcm0_out"},
1140        {"media3_in", NULL, "Deepbuffer Playback"},
1141
1142        {"media0_out mix 0", "media0_in Switch", "media0_in"},
1143        {"media0_out mix 0", "media1_in Switch", "media1_in"},
1144        {"media0_out mix 0", "media2_in Switch", "media2_in"},
1145        {"media0_out mix 0", "media3_in Switch", "media3_in"},
1146        {"media1_out mix 0", "media0_in Switch", "media0_in"},
1147        {"media1_out mix 0", "media1_in Switch", "media1_in"},
1148        {"media1_out mix 0", "media2_in Switch", "media2_in"},
1149        {"media1_out mix 0", "media3_in Switch", "media3_in"},
1150
1151        {"media0_out", NULL, "media0_out mix 0"},
1152        {"media1_out", NULL, "media1_out mix 0"},
1153        {"pcm0_in", NULL, "media0_out"},
1154        {"pcm1_in", NULL, "media1_out"},
1155
1156        {"Headset Capture", NULL, "pcm1_out"},
1157        {"Headset Capture", NULL, "pcm2_out"},
1158        {"pcm0_out", NULL, "pcm0_out mix 0"},
1159        SST_SBA_MIXER_GRAPH_MAP("pcm0_out mix 0"),
1160        {"pcm1_out", NULL, "pcm1_out mix 0"},
1161        SST_SBA_MIXER_GRAPH_MAP("pcm1_out mix 0"),
1162        {"pcm2_out", NULL, "pcm2_out mix 0"},
1163        SST_SBA_MIXER_GRAPH_MAP("pcm2_out mix 0"),
1164
1165        {"media_loop1_in", NULL, "media_loop1_out"},
1166        {"media_loop1_out", NULL, "media_loop1_out mix 0"},
1167        SST_SBA_MIXER_GRAPH_MAP("media_loop1_out mix 0"),
1168        {"media_loop2_in", NULL, "media_loop2_out"},
1169        {"media_loop2_out", NULL, "media_loop2_out mix 0"},
1170        SST_SBA_MIXER_GRAPH_MAP("media_loop2_out mix 0"),
1171        {"sprot_loop_in", NULL, "sprot_loop_out"},
1172        {"sprot_loop_out", NULL, "sprot_loop_out mix 0"},
1173        SST_SBA_MIXER_GRAPH_MAP("sprot_loop_out mix 0"),
1174
1175        {"codec_out0", NULL, "codec_out0 mix 0"},
1176        SST_SBA_MIXER_GRAPH_MAP("codec_out0 mix 0"),
1177        {"codec_out1", NULL, "codec_out1 mix 0"},
1178        SST_SBA_MIXER_GRAPH_MAP("codec_out1 mix 0"),
1179        {"modem_out", NULL, "modem_out mix 0"},
1180        SST_SBA_MIXER_GRAPH_MAP("modem_out mix 0"),
1181
1182
1183};
1184static const char * const slot_names[] = {
1185        "none",
1186        "slot 0", "slot 1", "slot 2", "slot 3",
1187        "slot 4", "slot 5", "slot 6", "slot 7", /* not supported by FW */
1188};
1189
1190static const char * const channel_names[] = {
1191        "none",
1192        "codec_out0_0", "codec_out0_1", "codec_out1_0", "codec_out1_1",
1193        "codec_out2_0", "codec_out2_1", "codec_out3_0", "codec_out3_1", /* not supported by FW */
1194};
1195
1196#define SST_INTERLEAVER(xpname, slot_name, slotno) \
1197        SST_SSP_SLOT_CTL(xpname, "tx interleaver", slot_name, slotno, true, \
1198                         channel_names, sst_slot_get, sst_slot_put)
1199
1200#define SST_DEINTERLEAVER(xpname, channel_name, channel_no) \
1201        SST_SSP_SLOT_CTL(xpname, "rx deinterleaver", channel_name, channel_no, false, \
1202                         slot_names, sst_slot_get, sst_slot_put)
1203
1204static const struct snd_kcontrol_new sst_slot_controls[] = {
1205        SST_INTERLEAVER("codec_out", "slot 0", 0),
1206        SST_INTERLEAVER("codec_out", "slot 1", 1),
1207        SST_INTERLEAVER("codec_out", "slot 2", 2),
1208        SST_INTERLEAVER("codec_out", "slot 3", 3),
1209        SST_DEINTERLEAVER("codec_in", "codec_in0_0", 0),
1210        SST_DEINTERLEAVER("codec_in", "codec_in0_1", 1),
1211        SST_DEINTERLEAVER("codec_in", "codec_in1_0", 2),
1212        SST_DEINTERLEAVER("codec_in", "codec_in1_1", 3),
1213};
1214
1215/* Gain helper with min/max set */
1216#define SST_GAIN(name, path_id, task_id, instance, gain_var)                            \
1217        SST_GAIN_KCONTROLS(name, "Gain", SST_GAIN_MIN_VALUE, SST_GAIN_MAX_VALUE,        \
1218                SST_GAIN_TC_MIN, SST_GAIN_TC_MAX,                                       \
1219                sst_gain_get, sst_gain_put,                                             \
1220                SST_MODULE_ID_GAIN_CELL, path_id, instance, task_id,                    \
1221                sst_gain_tlv_common, gain_var)
1222
1223#define SST_VOLUME(name, path_id, task_id, instance, gain_var)                          \
1224        SST_GAIN_KCONTROLS(name, "Volume", SST_GAIN_MIN_VALUE, SST_GAIN_MAX_VALUE,      \
1225                SST_GAIN_TC_MIN, SST_GAIN_TC_MAX,                                       \
1226                sst_gain_get, sst_gain_put,                                             \
1227                SST_MODULE_ID_VOLUME, path_id, instance, task_id,                       \
1228                sst_gain_tlv_common, gain_var)
1229
1230static struct sst_gain_value sst_gains[];
1231
1232static const struct snd_kcontrol_new sst_gain_controls[] = {
1233        SST_GAIN("media0_in", SST_PATH_INDEX_MEDIA0_IN, SST_TASK_MMX, 0, &sst_gains[0]),
1234        SST_GAIN("media1_in", SST_PATH_INDEX_MEDIA1_IN, SST_TASK_MMX, 0, &sst_gains[1]),
1235        SST_GAIN("media2_in", SST_PATH_INDEX_MEDIA2_IN, SST_TASK_MMX, 0, &sst_gains[2]),
1236        SST_GAIN("media3_in", SST_PATH_INDEX_MEDIA3_IN, SST_TASK_MMX, 0, &sst_gains[3]),
1237
1238        SST_GAIN("pcm0_in", SST_PATH_INDEX_PCM0_IN, SST_TASK_SBA, 0, &sst_gains[4]),
1239        SST_GAIN("pcm1_in", SST_PATH_INDEX_PCM1_IN, SST_TASK_SBA, 0, &sst_gains[5]),
1240        SST_GAIN("pcm1_out", SST_PATH_INDEX_PCM1_OUT, SST_TASK_SBA, 0, &sst_gains[6]),
1241        SST_GAIN("pcm2_out", SST_PATH_INDEX_PCM2_OUT, SST_TASK_SBA, 0, &sst_gains[7]),
1242
1243        SST_GAIN("codec_in0", SST_PATH_INDEX_CODEC_IN0, SST_TASK_SBA, 0, &sst_gains[8]),
1244        SST_GAIN("codec_in1", SST_PATH_INDEX_CODEC_IN1, SST_TASK_SBA, 0, &sst_gains[9]),
1245        SST_GAIN("codec_out0", SST_PATH_INDEX_CODEC_OUT0, SST_TASK_SBA, 0, &sst_gains[10]),
1246        SST_GAIN("codec_out1", SST_PATH_INDEX_CODEC_OUT1, SST_TASK_SBA, 0, &sst_gains[11]),
1247        SST_GAIN("media_loop1_out", SST_PATH_INDEX_MEDIA_LOOP1_OUT, SST_TASK_SBA, 0, &sst_gains[12]),
1248        SST_GAIN("media_loop2_out", SST_PATH_INDEX_MEDIA_LOOP2_OUT, SST_TASK_SBA, 0, &sst_gains[13]),
1249        SST_GAIN("sprot_loop_out", SST_PATH_INDEX_SPROT_LOOP_OUT, SST_TASK_SBA, 0, &sst_gains[14]),
1250        SST_VOLUME("media0_in", SST_PATH_INDEX_MEDIA0_IN, SST_TASK_MMX, 0, &sst_gains[15]),
1251        SST_GAIN("modem_in", SST_PATH_INDEX_MODEM_IN, SST_TASK_SBA, 0, &sst_gains[16]),
1252        SST_GAIN("modem_out", SST_PATH_INDEX_MODEM_OUT, SST_TASK_SBA, 0, &sst_gains[17]),
1253
1254};
1255
1256#define SST_GAIN_NUM_CONTROLS 3
1257/* the SST_GAIN macro above will create three alsa controls for each
1258 * instance invoked, gain, mute and ramp duration, which use the same gain
1259 * cell sst_gain to keep track of data
1260 * To calculate number of gain cell instances we need to device by 3 in
1261 * below caulcation for gain cell memory.
1262 * This gets rid of static number and issues while adding new controls
1263 */
1264static struct sst_gain_value sst_gains[ARRAY_SIZE(sst_gain_controls)/SST_GAIN_NUM_CONTROLS];
1265
1266static const struct snd_kcontrol_new sst_algo_controls[] = {
1267        SST_ALGO_KCONTROL_BYTES("media_loop1_out", "fir", 272, SST_MODULE_ID_FIR_24,
1268                 SST_PATH_INDEX_MEDIA_LOOP1_OUT, 0, SST_TASK_SBA, SBA_VB_SET_FIR),
1269        SST_ALGO_KCONTROL_BYTES("media_loop1_out", "iir", 300, SST_MODULE_ID_IIR_24,
1270                SST_PATH_INDEX_MEDIA_LOOP1_OUT, 0, SST_TASK_SBA, SBA_VB_SET_IIR),
1271        SST_ALGO_KCONTROL_BYTES("media_loop1_out", "mdrp", 286, SST_MODULE_ID_MDRP,
1272                SST_PATH_INDEX_MEDIA_LOOP1_OUT, 0, SST_TASK_SBA, SBA_SET_MDRP),
1273        SST_ALGO_KCONTROL_BYTES("media_loop2_out", "fir", 272, SST_MODULE_ID_FIR_24,
1274                SST_PATH_INDEX_MEDIA_LOOP2_OUT, 0, SST_TASK_SBA, SBA_VB_SET_FIR),
1275        SST_ALGO_KCONTROL_BYTES("media_loop2_out", "iir", 300, SST_MODULE_ID_IIR_24,
1276                SST_PATH_INDEX_MEDIA_LOOP2_OUT, 0, SST_TASK_SBA, SBA_VB_SET_IIR),
1277        SST_ALGO_KCONTROL_BYTES("media_loop2_out", "mdrp", 286, SST_MODULE_ID_MDRP,
1278                SST_PATH_INDEX_MEDIA_LOOP2_OUT, 0, SST_TASK_SBA, SBA_SET_MDRP),
1279        SST_ALGO_KCONTROL_BYTES("sprot_loop_out", "lpro", 192, SST_MODULE_ID_SPROT,
1280                SST_PATH_INDEX_SPROT_LOOP_OUT, 0, SST_TASK_SBA, SBA_VB_LPRO),
1281        SST_ALGO_KCONTROL_BYTES("codec_in0", "dcr", 52, SST_MODULE_ID_FILT_DCR,
1282                SST_PATH_INDEX_CODEC_IN0, 0, SST_TASK_SBA, SBA_VB_SET_IIR),
1283        SST_ALGO_KCONTROL_BYTES("codec_in1", "dcr", 52, SST_MODULE_ID_FILT_DCR,
1284                SST_PATH_INDEX_CODEC_IN1, 0, SST_TASK_SBA, SBA_VB_SET_IIR),
1285
1286};
1287
1288static int sst_algo_control_init(struct device *dev)
1289{
1290        int i = 0;
1291        struct sst_algo_control *bc;
1292        /*allocate space to cache the algo parameters in the driver*/
1293        for (i = 0; i < ARRAY_SIZE(sst_algo_controls); i++) {
1294                bc = (struct sst_algo_control *)sst_algo_controls[i].private_value;
1295                bc->params = devm_kzalloc(dev, bc->max, GFP_KERNEL);
1296                if (bc->params == NULL)
1297                        return -ENOMEM;
1298        }
1299        return 0;
1300}
1301
1302static bool is_sst_dapm_widget(struct snd_soc_dapm_widget *w)
1303{
1304        switch (w->id) {
1305        case snd_soc_dapm_pga:
1306        case snd_soc_dapm_aif_in:
1307        case snd_soc_dapm_aif_out:
1308        case snd_soc_dapm_input:
1309        case snd_soc_dapm_output:
1310        case snd_soc_dapm_mixer:
1311                return true;
1312        default:
1313                return false;
1314        }
1315}
1316
1317/**
1318 * sst_send_pipe_gains - send gains for the front-end DAIs
1319 * @dai: front-end dai
1320 * @stream: direction
1321 * @mute: boolean indicating mute status
1322 *
1323 * The gains in the pipes connected to the front-ends are muted/unmuted
1324 * automatically via the digital_mute() DAPM callback. This function sends the
1325 * gains for the front-end pipes.
1326 */
1327int sst_send_pipe_gains(struct snd_soc_dai *dai, int stream, int mute)
1328{
1329        struct sst_data *drv = snd_soc_dai_get_drvdata(dai);
1330        struct snd_soc_dapm_widget *w;
1331        struct snd_soc_dapm_path *p = NULL;
1332
1333        dev_dbg(dai->dev, "enter, dai-name=%s dir=%d\n", dai->name, stream);
1334
1335        if (stream == SNDRV_PCM_STREAM_PLAYBACK) {
1336                dev_dbg(dai->dev, "Stream name=%s\n",
1337                                dai->playback_widget->name);
1338                w = dai->playback_widget;
1339                snd_soc_dapm_widget_for_each_sink_path(w, p) {
1340                        if (p->connected && !p->connected(w, p->sink))
1341                                continue;
1342
1343                        if (p->connect && p->sink->power &&
1344                                        is_sst_dapm_widget(p->sink)) {
1345                                struct sst_ids *ids = p->sink->priv;
1346
1347                                dev_dbg(dai->dev, "send gains for widget=%s\n",
1348                                                p->sink->name);
1349                                mutex_lock(&drv->lock);
1350                                sst_set_pipe_gain(ids, drv, mute);
1351                                mutex_unlock(&drv->lock);
1352                        }
1353                }
1354        } else {
1355                dev_dbg(dai->dev, "Stream name=%s\n",
1356                                dai->capture_widget->name);
1357                w = dai->capture_widget;
1358                snd_soc_dapm_widget_for_each_source_path(w, p) {
1359                        if (p->connected && !p->connected(w, p->source))
1360                                continue;
1361
1362                        if (p->connect &&  p->source->power &&
1363                                        is_sst_dapm_widget(p->source)) {
1364                                struct sst_ids *ids = p->source->priv;
1365
1366                                dev_dbg(dai->dev, "send gain for widget=%s\n",
1367                                                p->source->name);
1368                                mutex_lock(&drv->lock);
1369                                sst_set_pipe_gain(ids, drv, mute);
1370                                mutex_unlock(&drv->lock);
1371                        }
1372                }
1373        }
1374        return 0;
1375}
1376
1377/**
1378 * sst_fill_module_list - populate the list of modules/gains for a pipe
1379 * @kctl: kcontrol pointer
1380 * @w: dapm widget
1381 * @type: widget type
1382 *
1383 * Fills the widget pointer in the kcontrol private data, and also fills the
1384 * kcontrol pointer in the widget private data.
1385 *
1386 * Widget pointer is used to send the algo/gain in the .put() handler if the
1387 * widget is powerd on.
1388 *
1389 * Kcontrol pointer is used to send the algo/gain in the widget power ON/OFF
1390 * event handler. Each widget (pipe) has multiple algos stored in the algo_list.
1391 */
1392static int sst_fill_module_list(struct snd_kcontrol *kctl,
1393         struct snd_soc_dapm_widget *w, int type)
1394{
1395        struct sst_module *module = NULL;
1396        struct snd_soc_component *c = snd_soc_dapm_to_component(w->dapm);
1397        struct sst_ids *ids = w->priv;
1398        int ret = 0;
1399
1400        module = devm_kzalloc(c->dev, sizeof(*module), GFP_KERNEL);
1401        if (!module)
1402                return -ENOMEM;
1403
1404        if (type == SST_MODULE_GAIN) {
1405                struct sst_gain_mixer_control *mc = (void *)kctl->private_value;
1406
1407                mc->w = w;
1408                module->kctl = kctl;
1409                list_add_tail(&module->node, &ids->gain_list);
1410        } else if (type == SST_MODULE_ALGO) {
1411                struct sst_algo_control *bc = (void *)kctl->private_value;
1412
1413                bc->w = w;
1414                module->kctl = kctl;
1415                list_add_tail(&module->node, &ids->algo_list);
1416        } else {
1417                dev_err(c->dev, "invoked for unknown type %d module %s",
1418                                type, kctl->id.name);
1419                ret = -EINVAL;
1420        }
1421
1422        return ret;
1423}
1424
1425/**
1426 * sst_fill_widget_module_info - fill list of gains/algos for the pipe
1427 * @w: pipe modeled as a DAPM widget
1428 * @component: ASoC component
1429 *
1430 * Fill the list of gains/algos for the widget by looking at all the card
1431 * controls and comparing the name of the widget with the first part of control
1432 * name. First part of control name contains the pipe name (widget name).
1433 */
1434static int sst_fill_widget_module_info(struct snd_soc_dapm_widget *w,
1435        struct snd_soc_component *component)
1436{
1437        struct snd_kcontrol *kctl;
1438        int index, ret = 0;
1439        struct snd_card *card = component->card->snd_card;
1440        char *idx;
1441
1442        down_read(&card->controls_rwsem);
1443
1444        list_for_each_entry(kctl, &card->controls, list) {
1445                idx = strchr(kctl->id.name, ' ');
1446                if (idx == NULL)
1447                        continue;
1448                index = idx - (char*)kctl->id.name;
1449                if (strncmp(kctl->id.name, w->name, index))
1450                        continue;
1451
1452                if (strstr(kctl->id.name, "Volume"))
1453                        ret = sst_fill_module_list(kctl, w, SST_MODULE_GAIN);
1454
1455                else if (strstr(kctl->id.name, "params"))
1456                        ret = sst_fill_module_list(kctl, w, SST_MODULE_ALGO);
1457
1458                else if (strstr(kctl->id.name, "Switch") &&
1459                         strstr(kctl->id.name, "Gain")) {
1460                        struct sst_gain_mixer_control *mc =
1461                                                (void *)kctl->private_value;
1462
1463                        mc->w = w;
1464
1465                } else if (strstr(kctl->id.name, "interleaver")) {
1466                        struct sst_enum *e = (void *)kctl->private_value;
1467
1468                        e->w = w;
1469
1470                } else if (strstr(kctl->id.name, "deinterleaver")) {
1471                        struct sst_enum *e = (void *)kctl->private_value;
1472
1473                        e->w = w;
1474                }
1475
1476                if (ret < 0) {
1477                        up_read(&card->controls_rwsem);
1478                        return ret;
1479                }
1480        }
1481
1482        up_read(&card->controls_rwsem);
1483        return 0;
1484}
1485
1486/**
1487 * sst_fill_linked_widgets - fill the parent pointer for the linked widget
1488 * @component: ASoC component
1489 * @ids: sst_ids array
1490 */
1491static void sst_fill_linked_widgets(struct snd_soc_component *component,
1492                                                struct sst_ids *ids)
1493{
1494        struct snd_soc_dapm_widget *w;
1495        unsigned int len = strlen(ids->parent_wname);
1496
1497        list_for_each_entry(w, &component->card->widgets, list) {
1498                if (!strncmp(ids->parent_wname, w->name, len)) {
1499                        ids->parent_w = w;
1500                        break;
1501                }
1502        }
1503}
1504
1505/**
1506 * sst_map_modules_to_pipe - fill algo/gains list for all pipes
1507 * @component: ASoC component
1508 */
1509static int sst_map_modules_to_pipe(struct snd_soc_component *component)
1510{
1511        struct snd_soc_dapm_widget *w;
1512        int ret = 0;
1513
1514        list_for_each_entry(w, &component->card->widgets, list) {
1515                if (is_sst_dapm_widget(w) && (w->priv)) {
1516                        struct sst_ids *ids = w->priv;
1517
1518                        dev_dbg(component->dev, "widget type=%d name=%s\n",
1519                                        w->id, w->name);
1520                        INIT_LIST_HEAD(&ids->algo_list);
1521                        INIT_LIST_HEAD(&ids->gain_list);
1522                        ret = sst_fill_widget_module_info(w, component);
1523
1524                        if (ret < 0)
1525                                return ret;
1526
1527                        /* fill linked widgets */
1528                        if (ids->parent_wname !=  NULL)
1529                                sst_fill_linked_widgets(component, ids);
1530                }
1531        }
1532        return 0;
1533}
1534
1535int sst_dsp_init_v2_dpcm(struct snd_soc_component *component)
1536{
1537        int i, ret = 0;
1538        struct snd_soc_dapm_context *dapm =
1539                        snd_soc_component_get_dapm(component);
1540        struct sst_data *drv = snd_soc_component_get_drvdata(component);
1541        unsigned int gains = ARRAY_SIZE(sst_gain_controls)/3;
1542
1543        drv->byte_stream = devm_kzalloc(component->dev,
1544                                        SST_MAX_BIN_BYTES, GFP_KERNEL);
1545        if (!drv->byte_stream)
1546                return -ENOMEM;
1547
1548        snd_soc_dapm_new_controls(dapm, sst_dapm_widgets,
1549                        ARRAY_SIZE(sst_dapm_widgets));
1550        snd_soc_dapm_add_routes(dapm, intercon,
1551                        ARRAY_SIZE(intercon));
1552        snd_soc_dapm_new_widgets(dapm->card);
1553
1554        for (i = 0; i < gains; i++) {
1555                sst_gains[i].mute = SST_GAIN_MUTE_DEFAULT;
1556                sst_gains[i].l_gain = SST_GAIN_VOLUME_DEFAULT;
1557                sst_gains[i].r_gain = SST_GAIN_VOLUME_DEFAULT;
1558                sst_gains[i].ramp_duration = SST_GAIN_RAMP_DURATION_DEFAULT;
1559        }
1560
1561        ret = snd_soc_add_component_controls(component, sst_gain_controls,
1562                        ARRAY_SIZE(sst_gain_controls));
1563        if (ret)
1564                return ret;
1565
1566        /* Initialize algo control params */
1567        ret = sst_algo_control_init(component->dev);
1568        if (ret)
1569                return ret;
1570        ret = snd_soc_add_component_controls(component, sst_algo_controls,
1571                        ARRAY_SIZE(sst_algo_controls));
1572        if (ret)
1573                return ret;
1574
1575        ret = snd_soc_add_component_controls(component, sst_slot_controls,
1576                        ARRAY_SIZE(sst_slot_controls));
1577        if (ret)
1578                return ret;
1579
1580        ret = sst_map_modules_to_pipe(component);
1581
1582        return ret;
1583}
1584
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