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ASoC: Intel: mrfld: add DSP core controls
[deliverable/linux.git] / sound / soc / intel / sst-atom-controls.c
1 /*
2 * sst-atom-controls.c - Intel MID Platform driver DPCM ALSA controls for Mrfld
3 *
4 * Copyright (C) 2013-14 Intel Corp
5 * Author: Omair Mohammed Abdullah <omair.m.abdullah@intel.com>
6 * Vinod Koul <vinod.koul@intel.com>
7 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; version 2 of the License.
12 *
13 * This program is distributed in the hope that it will be useful, but
14 * WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * General Public License for more details.
17 *
18 * In the dpcm driver modelling when a particular FE/BE/Mixer/Pipe is active
19 * we forward the settings and parameters, rest we keep the values in
20 * driver and forward when DAPM enables them
21 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
22 */
23 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
24
25 #include <linux/slab.h>
26 #include <sound/soc.h>
27 #include <sound/tlv.h>
28 #include "sst-mfld-platform.h"
29 #include "sst-atom-controls.h"
30
31 static int sst_fill_byte_control(struct sst_data *drv,
32 u8 ipc_msg, u8 block,
33 u8 task_id, u8 pipe_id,
34 u16 len, void *cmd_data)
35 {
36 struct snd_sst_bytes_v2 *byte_data = drv->byte_stream;
37
38 byte_data->type = SST_CMD_BYTES_SET;
39 byte_data->ipc_msg = ipc_msg;
40 byte_data->block = block;
41 byte_data->task_id = task_id;
42 byte_data->pipe_id = pipe_id;
43
44 if (len > SST_MAX_BIN_BYTES - sizeof(*byte_data)) {
45 dev_err(&drv->pdev->dev, "command length too big (%u)", len);
46 return -EINVAL;
47 }
48 byte_data->len = len;
49 memcpy(byte_data->bytes, cmd_data, len);
50 print_hex_dump_bytes("writing to lpe: ", DUMP_PREFIX_OFFSET,
51 byte_data, len + sizeof(*byte_data));
52 return 0;
53 }
54
55 static int sst_fill_and_send_cmd_unlocked(struct sst_data *drv,
56 u8 ipc_msg, u8 block, u8 task_id, u8 pipe_id,
57 void *cmd_data, u16 len)
58 {
59 int ret = 0;
60
61 ret = sst_fill_byte_control(drv, ipc_msg,
62 block, task_id, pipe_id, len, cmd_data);
63 if (ret < 0)
64 return ret;
65 return sst->ops->send_byte_stream(sst->dev, drv->byte_stream);
66 }
67
68 /**
69 * sst_fill_and_send_cmd - generate the IPC message and send it to the FW
70 * @ipc_msg: type of IPC (CMD, SET_PARAMS, GET_PARAMS)
71 * @cmd_data: the IPC payload
72 */
73 static int sst_fill_and_send_cmd(struct sst_data *drv,
74 u8 ipc_msg, u8 block, u8 task_id, u8 pipe_id,
75 void *cmd_data, u16 len)
76 {
77 int ret;
78
79 mutex_lock(&drv->lock);
80 ret = sst_fill_and_send_cmd_unlocked(drv, ipc_msg, block,
81 task_id, pipe_id, cmd_data, len);
82 mutex_unlock(&drv->lock);
83
84 return ret;
85 }
86
87 /**
88 * tx map value is a bitfield where each bit represents a FW channel
89 *
90 * 3 2 1 0 # 0 = codec0, 1 = codec1
91 * RLRLRLRL # 3, 4 = reserved
92 *
93 * e.g. slot 0 rx map = 00001100b -> data from slot 0 goes into codec_in1 L,R
94 */
95 static u8 sst_ssp_tx_map[SST_MAX_TDM_SLOTS] = {
96 0x1, 0x2, 0x4, 0x8, 0x10, 0x20, 0x40, 0x80, /* default rx map */
97 };
98
99 /**
100 * rx map value is a bitfield where each bit represents a slot
101 *
102 * 76543210 # 0 = slot 0, 1 = slot 1
103 *
104 * e.g. codec1_0 tx map = 00000101b -> data from codec_out1_0 goes into slot 0, 2
105 */
106 static u8 sst_ssp_rx_map[SST_MAX_TDM_SLOTS] = {
107 0x1, 0x2, 0x4, 0x8, 0x10, 0x20, 0x40, 0x80, /* default tx map */
108 };
109
110 /**
111 * NOTE: this is invoked with lock held
112 */
113 static int sst_send_slot_map(struct sst_data *drv)
114 {
115 struct sst_param_sba_ssp_slot_map cmd;
116
117 SST_FILL_DEFAULT_DESTINATION(cmd.header.dst);
118 cmd.header.command_id = SBA_SET_SSP_SLOT_MAP;
119 cmd.header.length = sizeof(struct sst_param_sba_ssp_slot_map)
120 - sizeof(struct sst_dsp_header);
121
122 cmd.param_id = SBA_SET_SSP_SLOT_MAP;
123 cmd.param_len = sizeof(cmd.rx_slot_map) + sizeof(cmd.tx_slot_map)
124 + sizeof(cmd.ssp_index);
125 cmd.ssp_index = SSP_CODEC;
126
127 memcpy(cmd.rx_slot_map, &sst_ssp_tx_map[0], sizeof(cmd.rx_slot_map));
128 memcpy(cmd.tx_slot_map, &sst_ssp_rx_map[0], sizeof(cmd.tx_slot_map));
129
130 return sst_fill_and_send_cmd_unlocked(drv, SST_IPC_IA_SET_PARAMS,
131 SST_FLAG_BLOCKED, SST_TASK_SBA, 0, &cmd,
132 sizeof(cmd.header) + cmd.header.length);
133 }
134
135 int sst_slot_enum_info(struct snd_kcontrol *kcontrol,
136 struct snd_ctl_elem_info *uinfo)
137 {
138 struct sst_enum *e = (struct sst_enum *)kcontrol->private_value;
139
140 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
141 uinfo->count = 1;
142 uinfo->value.enumerated.items = e->max;
143
144 if (uinfo->value.enumerated.item > e->max - 1)
145 uinfo->value.enumerated.item = e->max - 1;
146 strcpy(uinfo->value.enumerated.name,
147 e->texts[uinfo->value.enumerated.item]);
148
149 return 0;
150 }
151
152 /**
153 * sst_slot_get - get the status of the interleaver/deinterleaver control
154 *
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 */
159 static 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 */
191 static 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
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 *
207 * (de)interleaver controls are defined in opposite sense to be user-friendly
208 *
209 * Instead of the enum value being the value written to the register, it is the
210 * register address; and the kcontrol number (register num) is the value written
211 * to the register. This is so that there can be only one value for each
212 * slot/channel since there is only one control for each slot/channel.
213 *
214 * This means that whenever an enum is set, we need to clear the bit
215 * for that kcontrol_no for all the interleaver OR deinterleaver registers
216 */
217 static int sst_slot_put(struct snd_kcontrol *kcontrol,
218 struct snd_ctl_elem_value *ucontrol)
219 {
220 struct snd_soc_component *c = snd_soc_kcontrol_component(kcontrol);
221 struct sst_data *drv = snd_soc_component_get_drvdata(c);
222 struct sst_enum *e = (void *)kcontrol->private_value;
223 int i, ret = 0;
224 unsigned int ctl_no = e->reg;
225 unsigned int is_tx = e->tx;
226 unsigned int slot_channel_no;
227 unsigned int val, mux;
228 u8 *map;
229
230 map = is_tx ? sst_ssp_rx_map : sst_ssp_tx_map;
231
232 val = 1 << ctl_no;
233 mux = ucontrol->value.enumerated.item[0];
234 if (mux > e->max - 1)
235 return -EINVAL;
236
237 mutex_lock(&drv->lock);
238 /* first clear all registers of this bit */
239 for (i = 0; i < e->max; i++)
240 map[i] &= ~val;
241
242 if (mux == 0) {
243 /* kctl set to 'none' and we reset the bits so send IPC */
244 ret = sst_check_and_send_slot_map(drv, kcontrol);
245
246 mutex_unlock(&drv->lock);
247 return ret;
248 }
249
250 /* offset by one to take "None" into account */
251 slot_channel_no = mux - 1;
252 map[slot_channel_no] |= val;
253
254 dev_dbg(c->dev, "%s %s map = %#x\n",
255 is_tx ? "tx channel" : "rx slot",
256 e->texts[mux], map[slot_channel_no]);
257
258 ret = sst_check_and_send_slot_map(drv, kcontrol);
259
260 mutex_unlock(&drv->lock);
261 return ret;
262 }
263
264 static int sst_send_algo_cmd(struct sst_data *drv,
265 struct sst_algo_control *bc)
266 {
267 int len, ret = 0;
268 struct sst_cmd_set_params *cmd;
269
270 /*bc->max includes sizeof algos + length field*/
271 len = sizeof(cmd->dst) + sizeof(cmd->command_id) + bc->max;
272
273 cmd = kzalloc(len, GFP_KERNEL);
274 if (cmd == NULL)
275 return -ENOMEM;
276
277 SST_FILL_DESTINATION(2, cmd->dst, bc->pipe_id, bc->module_id);
278 cmd->command_id = bc->cmd_id;
279 memcpy(cmd->params, bc->params, bc->max);
280
281 ret = sst_fill_and_send_cmd_unlocked(drv, SST_IPC_IA_SET_PARAMS,
282 SST_FLAG_BLOCKED, bc->task_id, 0, cmd, len);
283 kfree(cmd);
284 return ret;
285 }
286
287 /**
288 * sst_find_and_send_pipe_algo - send all the algo parameters for a pipe
289 *
290 * The algos which are in each pipeline are sent to the firmware one by one
291 *
292 * Called with lock held
293 */
294 static int sst_find_and_send_pipe_algo(struct sst_data *drv,
295 const char *pipe, struct sst_ids *ids)
296 {
297 int ret = 0;
298 struct sst_algo_control *bc;
299 struct sst_module *algo = NULL;
300
301 dev_dbg(&drv->pdev->dev, "Enter: widget=%s\n", pipe);
302
303 list_for_each_entry(algo, &ids->algo_list, node) {
304 bc = (void *)algo->kctl->private_value;
305
306 dev_dbg(&drv->pdev->dev, "Found algo control name=%s pipe=%s\n",
307 algo->kctl->id.name, pipe);
308 ret = sst_send_algo_cmd(drv, bc);
309 if (ret)
310 return ret;
311 }
312 return ret;
313 }
314
315 static int sst_algo_bytes_ctl_info(struct snd_kcontrol *kcontrol,
316 struct snd_ctl_elem_info *uinfo)
317 {
318 struct sst_algo_control *bc = (void *)kcontrol->private_value;
319
320 uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES;
321 uinfo->count = bc->max;
322
323 return 0;
324 }
325
326 static int sst_algo_control_get(struct snd_kcontrol *kcontrol,
327 struct snd_ctl_elem_value *ucontrol)
328 {
329 struct sst_algo_control *bc = (void *)kcontrol->private_value;
330 struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
331
332 switch (bc->type) {
333 case SST_ALGO_PARAMS:
334 memcpy(ucontrol->value.bytes.data, bc->params, bc->max);
335 break;
336 default:
337 dev_err(component->dev, "Invalid Input- algo type:%d\n",
338 bc->type);
339 return -EINVAL;
340
341 }
342 return 0;
343 }
344
345 static int sst_algo_control_set(struct snd_kcontrol *kcontrol,
346 struct snd_ctl_elem_value *ucontrol)
347 {
348 int ret = 0;
349 struct snd_soc_component *cmpnt = snd_soc_kcontrol_component(kcontrol);
350 struct sst_data *drv = snd_soc_component_get_drvdata(cmpnt);
351 struct sst_algo_control *bc = (void *)kcontrol->private_value;
352
353 dev_dbg(cmpnt->dev, "control_name=%s\n", kcontrol->id.name);
354 mutex_lock(&drv->lock);
355 switch (bc->type) {
356 case SST_ALGO_PARAMS:
357 memcpy(bc->params, ucontrol->value.bytes.data, bc->max);
358 break;
359 default:
360 mutex_unlock(&drv->lock);
361 dev_err(cmpnt->dev, "Invalid Input- algo type:%d\n",
362 bc->type);
363 return -EINVAL;
364 }
365 /*if pipe is enabled, need to send the algo params from here*/
366 if (bc->w && bc->w->power)
367 ret = sst_send_algo_cmd(drv, bc);
368 mutex_unlock(&drv->lock);
369
370 return ret;
371 }
372
373 static int sst_gain_ctl_info(struct snd_kcontrol *kcontrol,
374 struct snd_ctl_elem_info *uinfo)
375 {
376 struct sst_gain_mixer_control *mc = (void *)kcontrol->private_value;
377
378 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
379 uinfo->count = mc->stereo ? 2 : 1;
380 uinfo->value.integer.min = mc->min;
381 uinfo->value.integer.max = mc->max;
382
383 return 0;
384 }
385
386 /**
387 * sst_send_gain_cmd - send the gain algorithm IPC to the FW
388 * @gv: the stored value of gain (also contains rampduration)
389 * @mute: flag that indicates whether this was called from the
390 * digital_mute callback or directly. If called from the
391 * digital_mute callback, module will be muted/unmuted based on this
392 * flag. The flag is always 0 if called directly.
393 *
394 * Called with sst_data.lock held
395 *
396 * The user-set gain value is sent only if the user-controllable 'mute' control
397 * is OFF (indicated by gv->mute). Otherwise, the mute value (MIN value) is
398 * sent.
399 */
400 static int sst_send_gain_cmd(struct sst_data *drv, struct sst_gain_value *gv,
401 u16 task_id, u16 loc_id, u16 module_id, int mute)
402 {
403 struct sst_cmd_set_gain_dual cmd;
404
405 dev_dbg(&drv->pdev->dev, "Enter\n");
406
407 cmd.header.command_id = MMX_SET_GAIN;
408 SST_FILL_DEFAULT_DESTINATION(cmd.header.dst);
409 cmd.gain_cell_num = 1;
410
411 if (mute || gv->mute) {
412 cmd.cell_gains[0].cell_gain_left = SST_GAIN_MIN_VALUE;
413 cmd.cell_gains[0].cell_gain_right = SST_GAIN_MIN_VALUE;
414 } else {
415 cmd.cell_gains[0].cell_gain_left = gv->l_gain;
416 cmd.cell_gains[0].cell_gain_right = gv->r_gain;
417 }
418
419 SST_FILL_DESTINATION(2, cmd.cell_gains[0].dest,
420 loc_id, module_id);
421 cmd.cell_gains[0].gain_time_constant = gv->ramp_duration;
422
423 cmd.header.length = sizeof(struct sst_cmd_set_gain_dual)
424 - sizeof(struct sst_dsp_header);
425
426 /* we are with lock held, so call the unlocked api to send */
427 return sst_fill_and_send_cmd_unlocked(drv, SST_IPC_IA_SET_PARAMS,
428 SST_FLAG_BLOCKED, task_id, 0, &cmd,
429 sizeof(cmd.header) + cmd.header.length);
430 }
431
432 static int sst_gain_get(struct snd_kcontrol *kcontrol,
433 struct snd_ctl_elem_value *ucontrol)
434 {
435 struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
436 struct sst_gain_mixer_control *mc = (void *)kcontrol->private_value;
437 struct sst_gain_value *gv = mc->gain_val;
438
439 switch (mc->type) {
440 case SST_GAIN_TLV:
441 ucontrol->value.integer.value[0] = gv->l_gain;
442 ucontrol->value.integer.value[1] = gv->r_gain;
443 break;
444
445 case SST_GAIN_MUTE:
446 ucontrol->value.integer.value[0] = gv->mute ? 1 : 0;
447 break;
448
449 case SST_GAIN_RAMP_DURATION:
450 ucontrol->value.integer.value[0] = gv->ramp_duration;
451 break;
452
453 default:
454 dev_err(component->dev, "Invalid Input- gain type:%d\n",
455 mc->type);
456 return -EINVAL;
457 };
458
459 return 0;
460 }
461
462 static int sst_gain_put(struct snd_kcontrol *kcontrol,
463 struct snd_ctl_elem_value *ucontrol)
464 {
465 int ret = 0;
466 struct snd_soc_component *cmpnt = snd_soc_kcontrol_component(kcontrol);
467 struct sst_data *drv = snd_soc_component_get_drvdata(cmpnt);
468 struct sst_gain_mixer_control *mc = (void *)kcontrol->private_value;
469 struct sst_gain_value *gv = mc->gain_val;
470
471 mutex_lock(&drv->lock);
472
473 switch (mc->type) {
474 case SST_GAIN_TLV:
475 gv->l_gain = ucontrol->value.integer.value[0];
476 gv->r_gain = ucontrol->value.integer.value[1];
477 dev_dbg(cmpnt->dev, "%s: Volume %d, %d\n",
478 mc->pname, gv->l_gain, gv->r_gain);
479 break;
480
481 case SST_GAIN_MUTE:
482 gv->mute = !!ucontrol->value.integer.value[0];
483 dev_dbg(cmpnt->dev, "%s: Mute %d\n", mc->pname, gv->mute);
484 break;
485
486 case SST_GAIN_RAMP_DURATION:
487 gv->ramp_duration = ucontrol->value.integer.value[0];
488 dev_dbg(cmpnt->dev, "%s: Ramp Delay%d\n",
489 mc->pname, gv->ramp_duration);
490 break;
491
492 default:
493 mutex_unlock(&drv->lock);
494 dev_err(cmpnt->dev, "Invalid Input- gain type:%d\n",
495 mc->type);
496 return -EINVAL;
497 };
498
499 if (mc->w && mc->w->power)
500 ret = sst_send_gain_cmd(drv, gv, mc->task_id,
501 mc->pipe_id | mc->instance_id, mc->module_id, 0);
502 mutex_unlock(&drv->lock);
503
504 return ret;
505 }
506
507 static int sst_set_pipe_gain(struct sst_ids *ids,
508 struct sst_data *drv, int mute);
509
510 static int sst_send_pipe_module_params(struct snd_soc_dapm_widget *w,
511 struct snd_kcontrol *kcontrol)
512 {
513 struct snd_soc_component *c = snd_soc_dapm_to_component(w->dapm);
514 struct sst_data *drv = snd_soc_component_get_drvdata(c);
515 struct sst_ids *ids = w->priv;
516
517 mutex_lock(&drv->lock);
518 sst_find_and_send_pipe_algo(drv, w->name, ids);
519 sst_set_pipe_gain(ids, drv, 0);
520 mutex_unlock(&drv->lock);
521
522 return 0;
523 }
524
525 static int sst_generic_modules_event(struct snd_soc_dapm_widget *w,
526 struct snd_kcontrol *k, int event)
527 {
528 if (SND_SOC_DAPM_EVENT_ON(event))
529 return sst_send_pipe_module_params(w, k);
530 return 0;
531 }
532
533 static const DECLARE_TLV_DB_SCALE(sst_gain_tlv_common, SST_GAIN_MIN_VALUE * 10, 10, 0);
534
535 /* Look up table to convert MIXER SW bit regs to SWM inputs */
536 static const uint swm_mixer_input_ids[SST_SWM_INPUT_COUNT] = {
537 [SST_IP_CODEC0] = SST_SWM_IN_CODEC0,
538 [SST_IP_CODEC1] = SST_SWM_IN_CODEC1,
539 [SST_IP_LOOP0] = SST_SWM_IN_SPROT_LOOP,
540 [SST_IP_LOOP1] = SST_SWM_IN_MEDIA_LOOP1,
541 [SST_IP_LOOP2] = SST_SWM_IN_MEDIA_LOOP2,
542 [SST_IP_PCM0] = SST_SWM_IN_PCM0,
543 [SST_IP_PCM1] = SST_SWM_IN_PCM1,
544 [SST_IP_MEDIA0] = SST_SWM_IN_MEDIA0,
545 [SST_IP_MEDIA1] = SST_SWM_IN_MEDIA1,
546 [SST_IP_MEDIA2] = SST_SWM_IN_MEDIA2,
547 [SST_IP_MEDIA3] = SST_SWM_IN_MEDIA3,
548 };
549
550 /**
551 * called with lock held
552 */
553 static int sst_set_pipe_gain(struct sst_ids *ids,
554 struct sst_data *drv, int mute)
555 {
556 int ret = 0;
557 struct sst_gain_mixer_control *mc;
558 struct sst_gain_value *gv;
559 struct sst_module *gain = NULL;
560
561 list_for_each_entry(gain, &ids->gain_list, node) {
562 struct snd_kcontrol *kctl = gain->kctl;
563
564 dev_dbg(&drv->pdev->dev, "control name=%s\n", kctl->id.name);
565 mc = (void *)kctl->private_value;
566 gv = mc->gain_val;
567
568 ret = sst_send_gain_cmd(drv, gv, mc->task_id,
569 mc->pipe_id | mc->instance_id, mc->module_id, mute);
570 if (ret)
571 return ret;
572 }
573 return ret;
574 }
575
576 /*
577 * sst_handle_vb_timer - Start/Stop the DSP scheduler
578 *
579 * The DSP expects first cmd to be SBA_VB_START, so at first startup send
580 * that.
581 * DSP expects last cmd to be SBA_VB_IDLE, so at last shutdown send that.
582 *
583 * Do refcount internally so that we send command only at first start
584 * and last end. Since SST driver does its own ref count, invoke sst's
585 * power ops always!
586 */
587 int sst_handle_vb_timer(struct snd_soc_dai *dai, bool enable)
588 {
589 int ret = 0;
590 struct sst_cmd_generic cmd;
591 struct sst_data *drv = snd_soc_dai_get_drvdata(dai);
592 static int timer_usage;
593
594 if (enable)
595 cmd.header.command_id = SBA_VB_START;
596 else
597 cmd.header.command_id = SBA_IDLE;
598 dev_dbg(dai->dev, "enable=%u, usage=%d\n", enable, timer_usage);
599
600 SST_FILL_DEFAULT_DESTINATION(cmd.header.dst);
601 cmd.header.length = 0;
602
603 if (enable) {
604 ret = sst->ops->power(sst->dev, true);
605 if (ret < 0)
606 return ret;
607 }
608
609 mutex_lock(&drv->lock);
610 if (enable)
611 timer_usage++;
612 else
613 timer_usage--;
614
615 /*
616 * Send the command only if this call is the first enable or last
617 * disable
618 */
619 if ((enable && (timer_usage == 1)) ||
620 (!enable && (timer_usage == 0))) {
621 ret = sst_fill_and_send_cmd_unlocked(drv, SST_IPC_IA_CMD,
622 SST_FLAG_BLOCKED, SST_TASK_SBA, 0, &cmd,
623 sizeof(cmd.header) + cmd.header.length);
624 if (ret && enable) {
625 timer_usage--;
626 enable = false;
627 }
628 }
629 mutex_unlock(&drv->lock);
630
631 if (!enable)
632 sst->ops->power(sst->dev, false);
633 return ret;
634 }
635
636 /**
637 * sst_ssp_config - contains SSP configuration for media UC
638 */
639 static const struct sst_ssp_config sst_ssp_configs = {
640 .ssp_id = SSP_CODEC,
641 .bits_per_slot = 24,
642 .slots = 4,
643 .ssp_mode = SSP_MODE_MASTER,
644 .pcm_mode = SSP_PCM_MODE_NETWORK,
645 .duplex = SSP_DUPLEX,
646 .ssp_protocol = SSP_MODE_PCM,
647 .fs_width = 1,
648 .fs_frequency = SSP_FS_48_KHZ,
649 .active_slot_map = 0xF,
650 .start_delay = 0,
651 };
652
653 int send_ssp_cmd(struct snd_soc_dai *dai, const char *id, bool enable)
654 {
655 struct sst_cmd_sba_hw_set_ssp cmd;
656 struct sst_data *drv = snd_soc_dai_get_drvdata(dai);
657 const struct sst_ssp_config *config;
658
659 dev_info(dai->dev, "Enter: enable=%d port_name=%s\n", enable, id);
660
661 SST_FILL_DEFAULT_DESTINATION(cmd.header.dst);
662 cmd.header.command_id = SBA_HW_SET_SSP;
663 cmd.header.length = sizeof(struct sst_cmd_sba_hw_set_ssp)
664 - sizeof(struct sst_dsp_header);
665
666 config = &sst_ssp_configs;
667 dev_dbg(dai->dev, "ssp_id: %u\n", config->ssp_id);
668
669 if (enable)
670 cmd.switch_state = SST_SWITCH_ON;
671 else
672 cmd.switch_state = SST_SWITCH_OFF;
673
674 cmd.selection = config->ssp_id;
675 cmd.nb_bits_per_slots = config->bits_per_slot;
676 cmd.nb_slots = config->slots;
677 cmd.mode = config->ssp_mode | (config->pcm_mode << 1);
678 cmd.duplex = config->duplex;
679 cmd.active_tx_slot_map = config->active_slot_map;
680 cmd.active_rx_slot_map = config->active_slot_map;
681 cmd.frame_sync_frequency = config->fs_frequency;
682 cmd.frame_sync_polarity = SSP_FS_ACTIVE_HIGH;
683 cmd.data_polarity = 1;
684 cmd.frame_sync_width = config->fs_width;
685 cmd.ssp_protocol = config->ssp_protocol;
686 cmd.start_delay = config->start_delay;
687 cmd.reserved1 = cmd.reserved2 = 0xFF;
688
689 return sst_fill_and_send_cmd(drv, SST_IPC_IA_CMD, SST_FLAG_BLOCKED,
690 SST_TASK_SBA, 0, &cmd,
691 sizeof(cmd.header) + cmd.header.length);
692 }
693
694 static int sst_set_be_modules(struct snd_soc_dapm_widget *w,
695 struct snd_kcontrol *k, int event)
696 {
697 int ret = 0;
698 struct snd_soc_component *c = snd_soc_dapm_to_component(w->dapm);
699 struct sst_data *drv = snd_soc_component_get_drvdata(c);
700
701 dev_dbg(c->dev, "Enter: widget=%s\n", w->name);
702
703 if (SND_SOC_DAPM_EVENT_ON(event)) {
704 ret = sst_send_slot_map(drv);
705 if (ret)
706 return ret;
707 ret = sst_send_pipe_module_params(w, k);
708 }
709 return ret;
710 }
711
712 static int sst_set_media_path(struct snd_soc_dapm_widget *w,
713 struct snd_kcontrol *k, int event)
714 {
715 int ret = 0;
716 struct sst_cmd_set_media_path cmd;
717 struct snd_soc_component *c = snd_soc_dapm_to_component(w->dapm);
718 struct sst_data *drv = snd_soc_component_get_drvdata(c);
719 struct sst_ids *ids = w->priv;
720
721 dev_dbg(c->dev, "widget=%s\n", w->name);
722 dev_dbg(c->dev, "task=%u, location=%#x\n",
723 ids->task_id, ids->location_id);
724
725 if (SND_SOC_DAPM_EVENT_ON(event))
726 cmd.switch_state = SST_PATH_ON;
727 else
728 cmd.switch_state = SST_PATH_OFF;
729
730 SST_FILL_DESTINATION(2, cmd.header.dst,
731 ids->location_id, SST_DEFAULT_MODULE_ID);
732
733 /* MMX_SET_MEDIA_PATH == SBA_SET_MEDIA_PATH */
734 cmd.header.command_id = MMX_SET_MEDIA_PATH;
735 cmd.header.length = sizeof(struct sst_cmd_set_media_path)
736 - sizeof(struct sst_dsp_header);
737
738 ret = sst_fill_and_send_cmd(drv, SST_IPC_IA_CMD, SST_FLAG_BLOCKED,
739 ids->task_id, 0, &cmd,
740 sizeof(cmd.header) + cmd.header.length);
741 if (ret)
742 return ret;
743
744 if (SND_SOC_DAPM_EVENT_ON(event))
745 ret = sst_send_pipe_module_params(w, k);
746 return ret;
747 }
748
749 static int sst_set_media_loop(struct snd_soc_dapm_widget *w,
750 struct snd_kcontrol *k, int event)
751 {
752 int ret = 0;
753 struct sst_cmd_sba_set_media_loop_map cmd;
754 struct snd_soc_component *c = snd_soc_dapm_to_component(w->dapm);
755 struct sst_data *drv = snd_soc_component_get_drvdata(c);
756 struct sst_ids *ids = w->priv;
757
758 dev_dbg(c->dev, "Enter:widget=%s\n", w->name);
759 if (SND_SOC_DAPM_EVENT_ON(event))
760 cmd.switch_state = SST_SWITCH_ON;
761 else
762 cmd.switch_state = SST_SWITCH_OFF;
763
764 SST_FILL_DESTINATION(2, cmd.header.dst,
765 ids->location_id, SST_DEFAULT_MODULE_ID);
766
767 cmd.header.command_id = SBA_SET_MEDIA_LOOP_MAP;
768 cmd.header.length = sizeof(struct sst_cmd_sba_set_media_loop_map)
769 - sizeof(struct sst_dsp_header);
770 cmd.param.part.cfg.rate = 2; /* 48khz */
771
772 cmd.param.part.cfg.format = ids->format; /* stereo/Mono */
773 cmd.param.part.cfg.s_length = 1; /* 24bit left justified */
774 cmd.map = 0; /* Algo sequence: Gain - DRP - FIR - IIR */
775
776 ret = sst_fill_and_send_cmd(drv, SST_IPC_IA_CMD, SST_FLAG_BLOCKED,
777 SST_TASK_SBA, 0, &cmd,
778 sizeof(cmd.header) + cmd.header.length);
779 if (ret)
780 return ret;
781
782 if (SND_SOC_DAPM_EVENT_ON(event))
783 ret = sst_send_pipe_module_params(w, k);
784 return ret;
785 }
786
787 static const char * const slot_names[] = {
788 "none",
789 "slot 0", "slot 1", "slot 2", "slot 3",
790 "slot 4", "slot 5", "slot 6", "slot 7", /* not supported by FW */
791 };
792
793 static const char * const channel_names[] = {
794 "none",
795 "codec_out0_0", "codec_out0_1", "codec_out1_0", "codec_out1_1",
796 "codec_out2_0", "codec_out2_1", "codec_out3_0", "codec_out3_1", /* not supported by FW */
797 };
798
799 #define SST_INTERLEAVER(xpname, slot_name, slotno) \
800 SST_SSP_SLOT_CTL(xpname, "tx interleaver", slot_name, slotno, true, \
801 channel_names, sst_slot_get, sst_slot_put)
802
803 #define SST_DEINTERLEAVER(xpname, channel_name, channel_no) \
804 SST_SSP_SLOT_CTL(xpname, "rx deinterleaver", channel_name, channel_no, false, \
805 slot_names, sst_slot_get, sst_slot_put)
806
807 static const struct snd_kcontrol_new sst_slot_controls[] = {
808 SST_INTERLEAVER("codec_out", "slot 0", 0),
809 SST_INTERLEAVER("codec_out", "slot 1", 1),
810 SST_INTERLEAVER("codec_out", "slot 2", 2),
811 SST_INTERLEAVER("codec_out", "slot 3", 3),
812 SST_DEINTERLEAVER("codec_in", "codec_in0_0", 0),
813 SST_DEINTERLEAVER("codec_in", "codec_in0_1", 1),
814 SST_DEINTERLEAVER("codec_in", "codec_in1_0", 2),
815 SST_DEINTERLEAVER("codec_in", "codec_in1_1", 3),
816 };
817
818 /* Gain helper with min/max set */
819 #define SST_GAIN(name, path_id, task_id, instance, gain_var) \
820 SST_GAIN_KCONTROLS(name, "Gain", SST_GAIN_MIN_VALUE, SST_GAIN_MAX_VALUE, \
821 SST_GAIN_TC_MIN, SST_GAIN_TC_MAX, \
822 sst_gain_get, sst_gain_put, \
823 SST_MODULE_ID_GAIN_CELL, path_id, instance, task_id, \
824 sst_gain_tlv_common, gain_var)
825
826 #define SST_VOLUME(name, path_id, task_id, instance, gain_var) \
827 SST_GAIN_KCONTROLS(name, "Volume", SST_GAIN_MIN_VALUE, SST_GAIN_MAX_VALUE, \
828 SST_GAIN_TC_MIN, SST_GAIN_TC_MAX, \
829 sst_gain_get, sst_gain_put, \
830 SST_MODULE_ID_VOLUME, path_id, instance, task_id, \
831 sst_gain_tlv_common, gain_var)
832
833 static struct sst_gain_value sst_gains[];
834
835 static const struct snd_kcontrol_new sst_gain_controls[] = {
836 SST_GAIN("media0_in", SST_PATH_INDEX_MEDIA0_IN, SST_TASK_MMX, 0, &sst_gains[0]),
837 SST_GAIN("media1_in", SST_PATH_INDEX_MEDIA1_IN, SST_TASK_MMX, 0, &sst_gains[1]),
838 SST_GAIN("media2_in", SST_PATH_INDEX_MEDIA2_IN, SST_TASK_MMX, 0, &sst_gains[2]),
839 SST_GAIN("media3_in", SST_PATH_INDEX_MEDIA3_IN, SST_TASK_MMX, 0, &sst_gains[3]),
840
841 SST_GAIN("pcm0_in", SST_PATH_INDEX_PCM0_IN, SST_TASK_SBA, 0, &sst_gains[4]),
842 SST_GAIN("pcm1_in", SST_PATH_INDEX_PCM1_IN, SST_TASK_SBA, 0, &sst_gains[5]),
843 SST_GAIN("pcm1_out", SST_PATH_INDEX_PCM1_OUT, SST_TASK_SBA, 0, &sst_gains[6]),
844 SST_GAIN("pcm2_out", SST_PATH_INDEX_PCM2_OUT, SST_TASK_SBA, 0, &sst_gains[7]),
845
846 SST_GAIN("codec_in0", SST_PATH_INDEX_CODEC_IN0, SST_TASK_SBA, 0, &sst_gains[8]),
847 SST_GAIN("codec_in1", SST_PATH_INDEX_CODEC_IN1, SST_TASK_SBA, 0, &sst_gains[9]),
848 SST_GAIN("codec_out0", SST_PATH_INDEX_CODEC_OUT0, SST_TASK_SBA, 0, &sst_gains[10]),
849 SST_GAIN("codec_out1", SST_PATH_INDEX_CODEC_OUT1, SST_TASK_SBA, 0, &sst_gains[11]),
850 SST_GAIN("media_loop1_out", SST_PATH_INDEX_MEDIA_LOOP1_OUT, SST_TASK_SBA, 0, &sst_gains[12]),
851 SST_GAIN("media_loop2_out", SST_PATH_INDEX_MEDIA_LOOP2_OUT, SST_TASK_SBA, 0, &sst_gains[13]),
852 SST_GAIN("sprot_loop_out", SST_PATH_INDEX_SPROT_LOOP_OUT, SST_TASK_SBA, 0, &sst_gains[14]),
853 SST_VOLUME("media0_in", SST_PATH_INDEX_MEDIA0_IN, SST_TASK_MMX, 0, &sst_gains[15]),
854 };
855
856 #define SST_GAIN_NUM_CONTROLS 3
857 /* the SST_GAIN macro above will create three alsa controls for each
858 * instance invoked, gain, mute and ramp duration, which use the same gain
859 * cell sst_gain to keep track of data
860 * To calculate number of gain cell instances we need to device by 3 in
861 * below caulcation for gain cell memory.
862 * This gets rid of static number and issues while adding new controls
863 */
864 static struct sst_gain_value sst_gains[ARRAY_SIZE(sst_gain_controls)/SST_GAIN_NUM_CONTROLS];
865
866 static const struct snd_kcontrol_new sst_algo_controls[] = {
867 SST_ALGO_KCONTROL_BYTES("media_loop1_out", "fir", 272, SST_MODULE_ID_FIR_24,
868 SST_PATH_INDEX_MEDIA_LOOP1_OUT, 0, SST_TASK_SBA, SBA_VB_SET_FIR),
869 SST_ALGO_KCONTROL_BYTES("media_loop1_out", "iir", 300, SST_MODULE_ID_IIR_24,
870 SST_PATH_INDEX_MEDIA_LOOP1_OUT, 0, SST_TASK_SBA, SBA_VB_SET_IIR),
871 SST_ALGO_KCONTROL_BYTES("media_loop1_out", "mdrp", 286, SST_MODULE_ID_MDRP,
872 SST_PATH_INDEX_MEDIA_LOOP1_OUT, 0, SST_TASK_SBA, SBA_SET_MDRP),
873 SST_ALGO_KCONTROL_BYTES("media_loop2_out", "fir", 272, SST_MODULE_ID_FIR_24,
874 SST_PATH_INDEX_MEDIA_LOOP2_OUT, 0, SST_TASK_SBA, SBA_VB_SET_FIR),
875 SST_ALGO_KCONTROL_BYTES("media_loop2_out", "iir", 300, SST_MODULE_ID_IIR_24,
876 SST_PATH_INDEX_MEDIA_LOOP2_OUT, 0, SST_TASK_SBA, SBA_VB_SET_IIR),
877 SST_ALGO_KCONTROL_BYTES("media_loop2_out", "mdrp", 286, SST_MODULE_ID_MDRP,
878 SST_PATH_INDEX_MEDIA_LOOP2_OUT, 0, SST_TASK_SBA, SBA_SET_MDRP),
879 SST_ALGO_KCONTROL_BYTES("sprot_loop_out", "lpro", 192, SST_MODULE_ID_SPROT,
880 SST_PATH_INDEX_SPROT_LOOP_OUT, 0, SST_TASK_SBA, SBA_VB_LPRO),
881 SST_ALGO_KCONTROL_BYTES("codec_in0", "dcr", 52, SST_MODULE_ID_FILT_DCR,
882 SST_PATH_INDEX_CODEC_IN0, 0, SST_TASK_SBA, SBA_VB_SET_IIR),
883 SST_ALGO_KCONTROL_BYTES("codec_in1", "dcr", 52, SST_MODULE_ID_FILT_DCR,
884 SST_PATH_INDEX_CODEC_IN1, 0, SST_TASK_SBA, SBA_VB_SET_IIR),
885
886 };
887
888 static int sst_algo_control_init(struct device *dev)
889 {
890 int i = 0;
891 struct sst_algo_control *bc;
892 /*allocate space to cache the algo parameters in the driver*/
893 for (i = 0; i < ARRAY_SIZE(sst_algo_controls); i++) {
894 bc = (struct sst_algo_control *)sst_algo_controls[i].private_value;
895 bc->params = devm_kzalloc(dev, bc->max, GFP_KERNEL);
896 if (bc->params == NULL)
897 return -ENOMEM;
898 }
899 return 0;
900 }
901
902 static bool is_sst_dapm_widget(struct snd_soc_dapm_widget *w)
903 {
904 switch (w->id) {
905 case snd_soc_dapm_pga:
906 case snd_soc_dapm_aif_in:
907 case snd_soc_dapm_aif_out:
908 case snd_soc_dapm_input:
909 case snd_soc_dapm_output:
910 case snd_soc_dapm_mixer:
911 return true;
912 default:
913 return false;
914 }
915 }
916
917 /**
918 * sst_send_pipe_gains - send gains for the front-end DAIs
919 *
920 * The gains in the pipes connected to the front-ends are muted/unmuted
921 * automatically via the digital_mute() DAPM callback. This function sends the
922 * gains for the front-end pipes.
923 */
924 int sst_send_pipe_gains(struct snd_soc_dai *dai, int stream, int mute)
925 {
926 struct sst_data *drv = snd_soc_dai_get_drvdata(dai);
927 struct snd_soc_dapm_widget *w;
928 struct snd_soc_dapm_path *p = NULL;
929
930 dev_dbg(dai->dev, "enter, dai-name=%s dir=%d\n", dai->name, stream);
931
932 if (stream == SNDRV_PCM_STREAM_PLAYBACK) {
933 dev_dbg(dai->dev, "Stream name=%s\n",
934 dai->playback_widget->name);
935 w = dai->playback_widget;
936 list_for_each_entry(p, &w->sinks, list_source) {
937 if (p->connected && !p->connected(w, p->sink))
938 continue;
939
940 if (p->connect && p->sink->power &&
941 is_sst_dapm_widget(p->sink)) {
942 struct sst_ids *ids = p->sink->priv;
943
944 dev_dbg(dai->dev, "send gains for widget=%s\n",
945 p->sink->name);
946 mutex_lock(&drv->lock);
947 sst_set_pipe_gain(ids, drv, mute);
948 mutex_unlock(&drv->lock);
949 }
950 }
951 } else {
952 dev_dbg(dai->dev, "Stream name=%s\n",
953 dai->capture_widget->name);
954 w = dai->capture_widget;
955 list_for_each_entry(p, &w->sources, list_sink) {
956 if (p->connected && !p->connected(w, p->sink))
957 continue;
958
959 if (p->connect && p->source->power &&
960 is_sst_dapm_widget(p->source)) {
961 struct sst_ids *ids = p->source->priv;
962
963 dev_dbg(dai->dev, "send gain for widget=%s\n",
964 p->source->name);
965 mutex_lock(&drv->lock);
966 sst_set_pipe_gain(ids, drv, mute);
967 mutex_unlock(&drv->lock);
968 }
969 }
970 }
971 return 0;
972 }
973
974 /**
975 * sst_fill_module_list - populate the list of modules/gains for a pipe
976 *
977 *
978 * Fills the widget pointer in the kcontrol private data, and also fills the
979 * kcontrol pointer in the widget private data.
980 *
981 * Widget pointer is used to send the algo/gain in the .put() handler if the
982 * widget is powerd on.
983 *
984 * Kcontrol pointer is used to send the algo/gain in the widget power ON/OFF
985 * event handler. Each widget (pipe) has multiple algos stored in the algo_list.
986 */
987 static int sst_fill_module_list(struct snd_kcontrol *kctl,
988 struct snd_soc_dapm_widget *w, int type)
989 {
990 struct sst_module *module = NULL;
991 struct snd_soc_component *c = snd_soc_dapm_to_component(w->dapm);
992 struct sst_ids *ids = w->priv;
993 int ret = 0;
994
995 module = devm_kzalloc(c->dev, sizeof(*module), GFP_KERNEL);
996 if (!module)
997 return -ENOMEM;
998
999 if (type == SST_MODULE_GAIN) {
1000 struct sst_gain_mixer_control *mc = (void *)kctl->private_value;
1001
1002 mc->w = w;
1003 module->kctl = kctl;
1004 list_add_tail(&module->node, &ids->gain_list);
1005 } else if (type == SST_MODULE_ALGO) {
1006 struct sst_algo_control *bc = (void *)kctl->private_value;
1007
1008 bc->w = w;
1009 module->kctl = kctl;
1010 list_add_tail(&module->node, &ids->algo_list);
1011 } else {
1012 dev_err(c->dev, "invoked for unknown type %d module %s",
1013 type, kctl->id.name);
1014 ret = -EINVAL;
1015 }
1016
1017 return ret;
1018 }
1019
1020 /**
1021 * sst_fill_widget_module_info - fill list of gains/algos for the pipe
1022 * @widget: pipe modelled as a DAPM widget
1023 *
1024 * Fill the list of gains/algos for the widget by looking at all the card
1025 * controls and comparing the name of the widget with the first part of control
1026 * name. First part of control name contains the pipe name (widget name).
1027 */
1028 static int sst_fill_widget_module_info(struct snd_soc_dapm_widget *w,
1029 struct snd_soc_platform *platform)
1030 {
1031 struct snd_kcontrol *kctl;
1032 int index, ret = 0;
1033 struct snd_card *card = platform->component.card->snd_card;
1034 char *idx;
1035
1036 down_read(&card->controls_rwsem);
1037
1038 list_for_each_entry(kctl, &card->controls, list) {
1039 idx = strstr(kctl->id.name, " ");
1040 if (idx == NULL)
1041 continue;
1042 index = strlen(kctl->id.name) - strlen(idx);
1043
1044 if (strstr(kctl->id.name, "Volume") &&
1045 !strncmp(kctl->id.name, w->name, index))
1046 ret = sst_fill_module_list(kctl, w, SST_MODULE_GAIN);
1047
1048 else if (strstr(kctl->id.name, "params") &&
1049 !strncmp(kctl->id.name, w->name, index))
1050 ret = sst_fill_module_list(kctl, w, SST_MODULE_ALGO);
1051
1052 else if (strstr(kctl->id.name, "Switch") &&
1053 !strncmp(kctl->id.name, w->name, index) &&
1054 strstr(kctl->id.name, "Gain")) {
1055 struct sst_gain_mixer_control *mc =
1056 (void *)kctl->private_value;
1057
1058 mc->w = w;
1059
1060 } else if (strstr(kctl->id.name, "interleaver") &&
1061 !strncmp(kctl->id.name, w->name, index)) {
1062 struct sst_enum *e = (void *)kctl->private_value;
1063
1064 e->w = w;
1065
1066 } else if (strstr(kctl->id.name, "deinterleaver") &&
1067 !strncmp(kctl->id.name, w->name, index)) {
1068
1069 struct sst_enum *e = (void *)kctl->private_value;
1070
1071 e->w = w;
1072 }
1073
1074 if (ret < 0) {
1075 up_read(&card->controls_rwsem);
1076 return ret;
1077 }
1078 }
1079
1080 up_read(&card->controls_rwsem);
1081 return 0;
1082 }
1083
1084 /**
1085 * sst_fill_linked_widgets - fill the parent pointer for the linked widget
1086 */
1087 static void sst_fill_linked_widgets(struct snd_soc_platform *platform,
1088 struct sst_ids *ids)
1089 {
1090 struct snd_soc_dapm_widget *w;
1091 unsigned int len = strlen(ids->parent_wname);
1092
1093 list_for_each_entry(w, &platform->component.card->widgets, list) {
1094 if (!strncmp(ids->parent_wname, w->name, len)) {
1095 ids->parent_w = w;
1096 break;
1097 }
1098 }
1099 }
1100
1101 /**
1102 * sst_map_modules_to_pipe - fill algo/gains list for all pipes
1103 */
1104 static int sst_map_modules_to_pipe(struct snd_soc_platform *platform)
1105 {
1106 struct snd_soc_dapm_widget *w;
1107 int ret = 0;
1108
1109 list_for_each_entry(w, &platform->component.card->widgets, list) {
1110 if (platform && is_sst_dapm_widget(w) && (w->priv)) {
1111 struct sst_ids *ids = w->priv;
1112
1113 dev_dbg(platform->dev, "widget type=%d name=%s\n",
1114 w->id, w->name);
1115 INIT_LIST_HEAD(&ids->algo_list);
1116 INIT_LIST_HEAD(&ids->gain_list);
1117 ret = sst_fill_widget_module_info(w, platform);
1118
1119 if (ret < 0)
1120 return ret;
1121
1122 /* fill linked widgets */
1123 if (ids->parent_wname != NULL)
1124 sst_fill_linked_widgets(platform, ids);
1125 }
1126 }
1127 return 0;
1128 }
1129
1130 int sst_dsp_init_v2_dpcm(struct snd_soc_platform *platform)
1131 {
1132 int i, ret = 0;
1133 struct sst_data *drv = snd_soc_platform_get_drvdata(platform);
1134 unsigned int gains = ARRAY_SIZE(sst_gain_controls)/3;
1135
1136 drv->byte_stream = devm_kzalloc(platform->dev,
1137 SST_MAX_BIN_BYTES, GFP_KERNEL);
1138 if (!drv->byte_stream)
1139 return -ENOMEM;
1140
1141 for (i = 0; i < gains; i++) {
1142 sst_gains[i].mute = SST_GAIN_MUTE_DEFAULT;
1143 sst_gains[i].l_gain = SST_GAIN_VOLUME_DEFAULT;
1144 sst_gains[i].r_gain = SST_GAIN_VOLUME_DEFAULT;
1145 sst_gains[i].ramp_duration = SST_GAIN_RAMP_DURATION_DEFAULT;
1146 }
1147
1148 ret = snd_soc_add_platform_controls(platform, sst_gain_controls,
1149 ARRAY_SIZE(sst_gain_controls));
1150 if (ret)
1151 return ret;
1152
1153 /* Initialize algo control params */
1154 ret = sst_algo_control_init(platform->dev);
1155 if (ret)
1156 return ret;
1157 ret = snd_soc_add_platform_controls(platform, sst_algo_controls,
1158 ARRAY_SIZE(sst_algo_controls));
1159 if (ret)
1160 return ret;
1161
1162 ret = snd_soc_add_platform_controls(platform, sst_slot_controls,
1163 ARRAY_SIZE(sst_slot_controls));
1164 if (ret)
1165 return ret;
1166
1167 ret = sst_map_modules_to_pipe(platform);
1168
1169 return ret;
1170 }
Linux kernel - Deliverables
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