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(lock: &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, ipc_msg: SST_IPC_IA_SET_PARAMS,
130 block: SST_FLAG_BLOCKED, task_id: SST_TASK_SBA, pipe_id: 0, cmd_data: &cmd,
131 len: 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(p: uinfo->value.enumerated.name,
146 q: 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(lock: &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(lock: &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(lock: &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(size: 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, ipc_msg: SST_IPC_IA_SET_PARAMS,
283 block: SST_FLAG_BLOCKED, task_id: bc->task_id, pipe_id: 0, cmd_data: cmd, len);
284 kfree(objp: 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(c: 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(lock: &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(lock: &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, ipc_msg: SST_IPC_IA_SET_PARAMS,
435 block: SST_FLAG_BLOCKED, task_id, pipe_id: 0, cmd_data: &cmd,
436 len: 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(c: 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(lock: &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, task_id: mc->task_id,
508 loc_id: mc->pipe_id | mc->instance_id, module_id: mc->module_id, mute: 0);
509 mutex_unlock(lock: &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(dapm: 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, pipe: w->name, ids);
526 sst_set_pipe_gain(ids, drv, mute: 0);
527 mutex_unlock(lock: &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, kcontrol: 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, task_id: mc->task_id,
615 loc_id: mc->pipe_id | mc->instance_id, module_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(dapm: w->dapm);
627 struct sst_data *drv = snd_soc_component_get_drvdata(c: 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(kcontrol: 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, swm_input: &cmd.input[0], reg: 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, ipc_msg: SST_IPC_IA_CMD, block: SST_FLAG_BLOCKED,
681 task_id: ids->task_id, pipe_id: 0, cmd_data: &cmd,
682 len: 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, ipc_msg: SST_IPC_IA_CMD,
777 block: SST_FLAG_BLOCKED, task_id: SST_TASK_SBA, pipe_id: 0, cmd_data: &cmd,
778 len: sizeof(cmd.header) + cmd.header.length);
779 if (ret && enable) {
780 timer_usage--;
781 enable = false;
782 }
783 }
784 mutex_unlock(lock: &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, ipc_msg: SST_IPC_IA_CMD, block: SST_FLAG_BLOCKED,
973 task_id: SST_TASK_SBA, pipe_id: 0, cmd_data: &drv->ssp_cmd,
974 len: 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(dapm: 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(lock: &drv->lock);
990 if (ret)
991 return ret;
992 ret = sst_send_pipe_module_params(w, kcontrol: 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(dapm: 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, ipc_msg: SST_IPC_IA_CMD, block: SST_FLAG_BLOCKED,
1024 task_id: ids->task_id, pipe_id: 0, cmd_data: &cmd,
1025 len: 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, kcontrol: 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(dapm: 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, ipc_msg: SST_IPC_IA_CMD, block: SST_FLAG_BLOCKED,
1062 task_id: SST_TASK_SBA, pipe_id: 0, cmd_data: &cmd,
1063 len: 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, kcontrol: 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, size: 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(w: 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(lock: &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(w: 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(lock: &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(dapm: w->dapm);
1392 struct sst_ids *ids = w->priv;
1393 int ret = 0;
1394
1395 module = devm_kzalloc(dev: c->dev, size: 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(new: &module->node, head: &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(new: &module->node, head: &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(sem: &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(sem: &card->controls_rwsem);
1473 return ret;
1474 }
1475 }
1476
1477 up_read(sem: &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(list: &ids->algo_list);
1516 INIT_LIST_HEAD(list: &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(c: component);
1536 unsigned int gains = ARRAY_SIZE(sst_gain_controls)/3;
1537
1538 drv->byte_stream = devm_kzalloc(dev: 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, widget: sst_dapm_widgets,
1544 ARRAY_SIZE(sst_dapm_widgets));
1545 snd_soc_dapm_add_routes(dapm, route: intercon,
1546 ARRAY_SIZE(intercon));
1547 snd_soc_dapm_new_widgets(card: 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, controls: 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(dev: component->dev);
1563 if (ret)
1564 return ret;
1565 ret = snd_soc_add_component_controls(component, controls: sst_algo_controls,
1566 ARRAY_SIZE(sst_algo_controls));
1567 if (ret)
1568 return ret;
1569
1570 ret = snd_soc_add_component_controls(component, controls: 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}
1579

source code of linux/sound/soc/intel/atom/sst-atom-controls.c