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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_BP_FP:
 835		return SSP_MODE_PROVIDER;
 836	case SND_SOC_DAIFMT_BC_FC:
 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 = snd_soc_dai_get_widget(dai, stream);
1331	struct snd_soc_dapm_path *p;
1332
1333	dev_dbg(dai->dev, "enter, dai-name=%s dir=%d\n", dai->name, stream);
1334	dev_dbg(dai->dev, "Stream name=%s\n", w->name);
1335
1336	if (stream == SNDRV_PCM_STREAM_PLAYBACK) {
1337		snd_soc_dapm_widget_for_each_sink_path(w, p) {
1338			if (p->connected && !p->connected(w, p->sink))
1339				continue;
1340
1341			if (p->connect && p->sink->power &&
1342					is_sst_dapm_widget(p->sink)) {
1343				struct sst_ids *ids = p->sink->priv;
1344
1345				dev_dbg(dai->dev, "send gains for widget=%s\n",
1346						p->sink->name);
1347				mutex_lock(&drv->lock);
1348				sst_set_pipe_gain(ids, drv, mute);
1349				mutex_unlock(&drv->lock);
1350			}
1351		}
1352	} else {
1353		snd_soc_dapm_widget_for_each_source_path(w, p) {
1354			if (p->connected && !p->connected(w, p->source))
1355				continue;
1356
1357			if (p->connect &&  p->source->power &&
1358					is_sst_dapm_widget(p->source)) {
1359				struct sst_ids *ids = p->source->priv;
1360
1361				dev_dbg(dai->dev, "send gain for widget=%s\n",
1362						p->source->name);
1363				mutex_lock(&drv->lock);
1364				sst_set_pipe_gain(ids, drv, mute);
1365				mutex_unlock(&drv->lock);
1366			}
1367		}
1368	}
1369	return 0;
1370}
1371
1372/**
1373 * sst_fill_module_list - populate the list of modules/gains for a pipe
1374 * @kctl: kcontrol pointer
1375 * @w: dapm widget
1376 * @type: widget type
1377 *
1378 * Fills the widget pointer in the kcontrol private data, and also fills the
1379 * kcontrol pointer in the widget private data.
1380 *
1381 * Widget pointer is used to send the algo/gain in the .put() handler if the
1382 * widget is powerd on.
1383 *
1384 * Kcontrol pointer is used to send the algo/gain in the widget power ON/OFF
1385 * event handler. Each widget (pipe) has multiple algos stored in the algo_list.
1386 */
1387static int sst_fill_module_list(struct snd_kcontrol *kctl,
1388	 struct snd_soc_dapm_widget *w, int type)
1389{
1390	struct sst_module *module;
1391	struct snd_soc_component *c = snd_soc_dapm_to_component(w->dapm);
1392	struct sst_ids *ids = w->priv;
1393	int ret = 0;
1394
1395	module = devm_kzalloc(c->dev, sizeof(*module), GFP_KERNEL);
1396	if (!module)
1397		return -ENOMEM;
1398
1399	if (type == SST_MODULE_GAIN) {
1400		struct sst_gain_mixer_control *mc = (void *)kctl->private_value;
1401
1402		mc->w = w;
1403		module->kctl = kctl;
1404		list_add_tail(&module->node, &ids->gain_list);
1405	} else if (type == SST_MODULE_ALGO) {
1406		struct sst_algo_control *bc = (void *)kctl->private_value;
1407
1408		bc->w = w;
1409		module->kctl = kctl;
1410		list_add_tail(&module->node, &ids->algo_list);
1411	} else {
1412		dev_err(c->dev, "invoked for unknown type %d module %s",
1413				type, kctl->id.name);
1414		ret = -EINVAL;
1415	}
1416
1417	return ret;
1418}
1419
1420/**
1421 * sst_fill_widget_module_info - fill list of gains/algos for the pipe
1422 * @w: pipe modeled as a DAPM widget
1423 * @component: ASoC component
1424 *
1425 * Fill the list of gains/algos for the widget by looking at all the card
1426 * controls and comparing the name of the widget with the first part of control
1427 * name. First part of control name contains the pipe name (widget name).
1428 */
1429static int sst_fill_widget_module_info(struct snd_soc_dapm_widget *w,
1430	struct snd_soc_component *component)
1431{
1432	struct snd_kcontrol *kctl;
1433	int index, ret = 0;
1434	struct snd_card *card = component->card->snd_card;
1435	char *idx;
1436
1437	down_read(&card->controls_rwsem);
1438
1439	list_for_each_entry(kctl, &card->controls, list) {
1440		idx = strchr(kctl->id.name, ' ');
1441		if (idx == NULL)
1442			continue;
1443		index = idx - (char*)kctl->id.name;
1444		if (strncmp(kctl->id.name, w->name, index))
1445			continue;
1446
1447		if (strstr(kctl->id.name, "Volume"))
1448			ret = sst_fill_module_list(kctl, w, SST_MODULE_GAIN);
1449
1450		else if (strstr(kctl->id.name, "params"))
1451			ret = sst_fill_module_list(kctl, w, SST_MODULE_ALGO);
1452
1453		else if (strstr(kctl->id.name, "Switch") &&
1454			 strstr(kctl->id.name, "Gain")) {
1455			struct sst_gain_mixer_control *mc =
1456						(void *)kctl->private_value;
1457
1458			mc->w = w;
1459
1460		} else if (strstr(kctl->id.name, "interleaver")) {
1461			struct sst_enum *e = (void *)kctl->private_value;
1462
1463			e->w = w;
1464
1465		} else if (strstr(kctl->id.name, "deinterleaver")) {
1466			struct sst_enum *e = (void *)kctl->private_value;
1467
1468			e->w = w;
1469		}
1470
1471		if (ret < 0) {
1472			up_read(&card->controls_rwsem);
1473			return ret;
1474		}
1475	}
1476
1477	up_read(&card->controls_rwsem);
1478	return 0;
1479}
1480
1481/**
1482 * sst_fill_linked_widgets - fill the parent pointer for the linked widget
1483 * @component: ASoC component
1484 * @ids: sst_ids array
1485 */
1486static void sst_fill_linked_widgets(struct snd_soc_component *component,
1487						struct sst_ids *ids)
1488{
1489	struct snd_soc_dapm_widget *w;
1490	unsigned int len = strlen(ids->parent_wname);
1491
1492	list_for_each_entry(w, &component->card->widgets, list) {
1493		if (!strncmp(ids->parent_wname, w->name, len)) {
1494			ids->parent_w = w;
1495			break;
1496		}
1497	}
1498}
1499
1500/**
1501 * sst_map_modules_to_pipe - fill algo/gains list for all pipes
1502 * @component: ASoC component
1503 */
1504static int sst_map_modules_to_pipe(struct snd_soc_component *component)
1505{
1506	struct snd_soc_dapm_widget *w;
1507	int ret = 0;
1508
1509	list_for_each_entry(w, &component->card->widgets, list) {
1510		if (is_sst_dapm_widget(w) && (w->priv)) {
1511			struct sst_ids *ids = w->priv;
1512
1513			dev_dbg(component->dev, "widget type=%d name=%s\n",
1514					w->id, w->name);
1515			INIT_LIST_HEAD(&ids->algo_list);
1516			INIT_LIST_HEAD(&ids->gain_list);
1517			ret = sst_fill_widget_module_info(w, component);
1518
1519			if (ret < 0)
1520				return ret;
1521
1522			/* fill linked widgets */
1523			if (ids->parent_wname !=  NULL)
1524				sst_fill_linked_widgets(component, ids);
1525		}
1526	}
1527	return 0;
1528}
1529
1530int sst_dsp_init_v2_dpcm(struct snd_soc_component *component)
1531{
1532	int i, ret = 0;
1533	struct snd_soc_dapm_context *dapm =
1534			snd_soc_component_get_dapm(component);
1535	struct sst_data *drv = snd_soc_component_get_drvdata(component);
1536	unsigned int gains = ARRAY_SIZE(sst_gain_controls)/3;
1537
1538	drv->byte_stream = devm_kzalloc(component->dev,
1539					SST_MAX_BIN_BYTES, GFP_KERNEL);
1540	if (!drv->byte_stream)
1541		return -ENOMEM;
1542
1543	snd_soc_dapm_new_controls(dapm, sst_dapm_widgets,
1544			ARRAY_SIZE(sst_dapm_widgets));
1545	snd_soc_dapm_add_routes(dapm, intercon,
1546			ARRAY_SIZE(intercon));
1547	snd_soc_dapm_new_widgets(dapm->card);
1548
1549	for (i = 0; i < gains; i++) {
1550		sst_gains[i].mute = SST_GAIN_MUTE_DEFAULT;
1551		sst_gains[i].l_gain = SST_GAIN_VOLUME_DEFAULT;
1552		sst_gains[i].r_gain = SST_GAIN_VOLUME_DEFAULT;
1553		sst_gains[i].ramp_duration = SST_GAIN_RAMP_DURATION_DEFAULT;
1554	}
1555
1556	ret = snd_soc_add_component_controls(component, sst_gain_controls,
1557			ARRAY_SIZE(sst_gain_controls));
1558	if (ret)
1559		return ret;
1560
1561	/* Initialize algo control params */
1562	ret = sst_algo_control_init(component->dev);
1563	if (ret)
1564		return ret;
1565	ret = snd_soc_add_component_controls(component, sst_algo_controls,
1566			ARRAY_SIZE(sst_algo_controls));
1567	if (ret)
1568		return ret;
1569
1570	ret = snd_soc_add_component_controls(component, sst_slot_controls,
1571			ARRAY_SIZE(sst_slot_controls));
1572	if (ret)
1573		return ret;
1574
1575	ret = sst_map_modules_to_pipe(component);
1576
1577	return ret;
1578}