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
31static 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
55static 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 */
73static 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 */
95static 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 */
106static 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 */
113static 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
135int 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 */
159static int sst_slot_get(struct snd_kcontrol *kcontrol,
160			struct snd_ctl_elem_value *ucontrol)
161{
162	struct sst_enum *e = (void *)kcontrol->private_value;
163	struct snd_soc_component *c = snd_kcontrol_chip(kcontrol);
164	struct sst_data *drv = snd_soc_component_get_drvdata(c);
165	unsigned int ctl_no = e->reg;
166	unsigned int is_tx = e->tx;
167	unsigned int val, mux;
168	u8 *map = is_tx ? sst_ssp_rx_map : sst_ssp_tx_map;
169
170	mutex_lock(&drv->lock);
171	val = 1 << ctl_no;
172	/* search which slot/channel has this bit set - there should be only one */
173	for (mux = e->max; mux > 0;  mux--)
174		if (map[mux - 1] & val)
175			break;
176
177	ucontrol->value.enumerated.item[0] = mux;
178	mutex_unlock(&drv->lock);
179
180	dev_dbg(c->dev, "%s - %s map = %#x\n",
181			is_tx ? "tx channel" : "rx slot",
182			 e->texts[mux], mux ? map[mux - 1] : -1);
183	return 0;
184}
185
186/* sst_check_and_send_slot_map - helper for checking power state and sending
187 * slot map cmd
188 *
189 * called with lock held
190 */
191static int sst_check_and_send_slot_map(struct sst_data *drv, struct snd_kcontrol *kcontrol)
192{
193	struct sst_enum *e = (void *)kcontrol->private_value;
194	int ret = 0;
195
196	if (e->w && e->w->power)
197		ret = sst_send_slot_map(drv);
198	else
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 */
217static 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
264static 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 */
294static 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
315static 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
326static 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
345static 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
373static 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 */
400static 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
432static 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
462static 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
507static int sst_set_pipe_gain(struct sst_ids *ids,
508				struct sst_data *drv, int mute);
509
510static 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
525static 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
533static 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 */
536static 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 * fill_swm_input - fill in the SWM input ids given the register
552 *
553 * The register value is a bit-field inicated which mixer inputs are ON. Use the
554 * lookup table to get the input-id and fill it in the structure.
555 */
556static int fill_swm_input(struct snd_soc_component *cmpnt,
557		struct swm_input_ids *swm_input, unsigned int reg)
558{
559	uint i, is_set, nb_inputs = 0;
560	u16 input_loc_id;
561
562	dev_dbg(cmpnt->dev, "reg: %#x\n", reg);
563	for (i = 0; i < SST_SWM_INPUT_COUNT; i++) {
564		is_set = reg & BIT(i);
565		if (!is_set)
566			continue;
567
568		input_loc_id = swm_mixer_input_ids[i];
569		SST_FILL_DESTINATION(2, swm_input->input_id,
570				     input_loc_id, SST_DEFAULT_MODULE_ID);
571		nb_inputs++;
572		swm_input++;
573		dev_dbg(cmpnt->dev, "input id: %#x, nb_inputs: %d\n",
574				input_loc_id, nb_inputs);
575
576		if (nb_inputs == SST_CMD_SWM_MAX_INPUTS) {
577			dev_warn(cmpnt->dev, "SET_SWM cmd max inputs reached");
578			break;
579		}
580	}
581	return nb_inputs;
582}
583
584
585/**
586 * called with lock held
587 */
588static int sst_set_pipe_gain(struct sst_ids *ids,
589			struct sst_data *drv, int mute)
590{
591	int ret = 0;
592	struct sst_gain_mixer_control *mc;
593	struct sst_gain_value *gv;
594	struct sst_module *gain = NULL;
595
596	list_for_each_entry(gain, &ids->gain_list, node) {
597		struct snd_kcontrol *kctl = gain->kctl;
598
599		dev_dbg(&drv->pdev->dev, "control name=%s\n", kctl->id.name);
600		mc = (void *)kctl->private_value;
601		gv = mc->gain_val;
602
603		ret = sst_send_gain_cmd(drv, gv, mc->task_id,
604			mc->pipe_id | mc->instance_id, mc->module_id, mute);
605		if (ret)
606			return ret;
607	}
608	return ret;
609}
610
611static int sst_swm_mixer_event(struct snd_soc_dapm_widget *w,
612			struct snd_kcontrol *k, int event)
613{
614	struct sst_cmd_set_swm cmd;
615	struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
616	struct sst_data *drv = snd_soc_component_get_drvdata(cmpnt);
617	struct sst_ids *ids = w->priv;
618	bool set_mixer = false;
619	struct soc_mixer_control *mc;
620	int val = 0;
621	int i = 0;
622
623	dev_dbg(cmpnt->dev, "widget = %s\n", w->name);
624	/*
625	 * Identify which mixer input is on and send the bitmap of the
626	 * inputs as an IPC to the DSP.
627	 */
628	for (i = 0; i < w->num_kcontrols; i++) {
629		if (dapm_kcontrol_get_value(w->kcontrols[i])) {
630			mc = (struct soc_mixer_control *)(w->kcontrols[i])->private_value;
631			val |= 1 << mc->shift;
632		}
633	}
634	dev_dbg(cmpnt->dev, "val = %#x\n", val);
635
636	switch (event) {
637	case SND_SOC_DAPM_PRE_PMU:
638	case SND_SOC_DAPM_POST_PMD:
639		set_mixer = true;
640		break;
641	case SND_SOC_DAPM_POST_REG:
642		if (w->power)
643			set_mixer = true;
644		break;
645	default:
646		set_mixer = false;
647	}
648
649	if (set_mixer == false)
650		return 0;
651
652	if (SND_SOC_DAPM_EVENT_ON(event) ||
653	    event == SND_SOC_DAPM_POST_REG)
654		cmd.switch_state = SST_SWM_ON;
655	else
656		cmd.switch_state = SST_SWM_OFF;
657
658	SST_FILL_DEFAULT_DESTINATION(cmd.header.dst);
659	/* MMX_SET_SWM == SBA_SET_SWM */
660	cmd.header.command_id = SBA_SET_SWM;
661
662	SST_FILL_DESTINATION(2, cmd.output_id,
663			     ids->location_id, SST_DEFAULT_MODULE_ID);
664	cmd.nb_inputs =	fill_swm_input(cmpnt, &cmd.input[0], val);
665	cmd.header.length = offsetof(struct sst_cmd_set_swm, input)
666				- sizeof(struct sst_dsp_header)
667				+ (cmd.nb_inputs * sizeof(cmd.input[0]));
668
669	return sst_fill_and_send_cmd(drv, SST_IPC_IA_CMD, SST_FLAG_BLOCKED,
670			      ids->task_id, 0, &cmd,
671			      sizeof(cmd.header) + cmd.header.length);
672}
673
674/* SBA mixers - 16 inputs */
675#define SST_SBA_DECLARE_MIX_CONTROLS(kctl_name)							\
676	static const struct snd_kcontrol_new kctl_name[] = {					\
677		SOC_DAPM_SINGLE("codec_in0 Switch", SND_SOC_NOPM, SST_IP_CODEC0, 1, 0),		\
678		SOC_DAPM_SINGLE("codec_in1 Switch", SND_SOC_NOPM, SST_IP_CODEC1, 1, 0),		\
679		SOC_DAPM_SINGLE("sprot_loop_in Switch", SND_SOC_NOPM, SST_IP_LOOP0, 1, 0),	\
680		SOC_DAPM_SINGLE("media_loop1_in Switch", SND_SOC_NOPM, SST_IP_LOOP1, 1, 0),	\
681		SOC_DAPM_SINGLE("media_loop2_in Switch", SND_SOC_NOPM, SST_IP_LOOP2, 1, 0),	\
682		SOC_DAPM_SINGLE("pcm0_in Switch", SND_SOC_NOPM, SST_IP_PCM0, 1, 0),		\
683		SOC_DAPM_SINGLE("pcm1_in Switch", SND_SOC_NOPM, SST_IP_PCM1, 1, 0),		\
684	}
685
686#define SST_SBA_MIXER_GRAPH_MAP(mix_name)			\
687	{ mix_name, "codec_in0 Switch",	"codec_in0" },		\
688	{ mix_name, "codec_in1 Switch",	"codec_in1" },		\
689	{ mix_name, "sprot_loop_in Switch",	"sprot_loop_in" },	\
690	{ mix_name, "media_loop1_in Switch",	"media_loop1_in" },	\
691	{ mix_name, "media_loop2_in Switch",	"media_loop2_in" },	\
692	{ mix_name, "pcm0_in Switch",		"pcm0_in" },		\
693	{ mix_name, "pcm1_in Switch",		"pcm1_in" }
694
695#define SST_MMX_DECLARE_MIX_CONTROLS(kctl_name)						\
696	static const struct snd_kcontrol_new kctl_name[] = {				\
697		SOC_DAPM_SINGLE("media0_in Switch", SND_SOC_NOPM, SST_IP_MEDIA0, 1, 0),	\
698		SOC_DAPM_SINGLE("media1_in Switch", SND_SOC_NOPM, SST_IP_MEDIA1, 1, 0),	\
699		SOC_DAPM_SINGLE("media2_in Switch", SND_SOC_NOPM, SST_IP_MEDIA2, 1, 0),	\
700		SOC_DAPM_SINGLE("media3_in Switch", SND_SOC_NOPM, SST_IP_MEDIA3, 1, 0),	\
701	}
702
703SST_MMX_DECLARE_MIX_CONTROLS(sst_mix_media0_controls);
704SST_MMX_DECLARE_MIX_CONTROLS(sst_mix_media1_controls);
705
706/* 18 SBA mixers */
707SST_SBA_DECLARE_MIX_CONTROLS(sst_mix_pcm0_controls);
708SST_SBA_DECLARE_MIX_CONTROLS(sst_mix_pcm1_controls);
709SST_SBA_DECLARE_MIX_CONTROLS(sst_mix_pcm2_controls);
710SST_SBA_DECLARE_MIX_CONTROLS(sst_mix_sprot_l0_controls);
711SST_SBA_DECLARE_MIX_CONTROLS(sst_mix_media_l1_controls);
712SST_SBA_DECLARE_MIX_CONTROLS(sst_mix_media_l2_controls);
713SST_SBA_DECLARE_MIX_CONTROLS(sst_mix_voip_controls);
714SST_SBA_DECLARE_MIX_CONTROLS(sst_mix_codec0_controls);
715SST_SBA_DECLARE_MIX_CONTROLS(sst_mix_codec1_controls);
716
717/*
718 * sst_handle_vb_timer - Start/Stop the DSP scheduler
719 *
720 * The DSP expects first cmd to be SBA_VB_START, so at first startup send
721 * that.
722 * DSP expects last cmd to be SBA_VB_IDLE, so at last shutdown send that.
723 *
724 * Do refcount internally so that we send command only at first start
725 * and last end. Since SST driver does its own ref count, invoke sst's
726 * power ops always!
727 */
728int sst_handle_vb_timer(struct snd_soc_dai *dai, bool enable)
729{
730	int ret = 0;
731	struct sst_cmd_generic cmd;
732	struct sst_data *drv = snd_soc_dai_get_drvdata(dai);
733	static int timer_usage;
734
735	if (enable)
736		cmd.header.command_id = SBA_VB_START;
737	else
738		cmd.header.command_id = SBA_IDLE;
739	dev_dbg(dai->dev, "enable=%u, usage=%d\n", enable, timer_usage);
740
741	SST_FILL_DEFAULT_DESTINATION(cmd.header.dst);
742	cmd.header.length = 0;
743
744	if (enable) {
745		ret = sst->ops->power(sst->dev, true);
746		if (ret < 0)
747			return ret;
748	}
749
750	mutex_lock(&drv->lock);
751	if (enable)
752		timer_usage++;
753	else
754		timer_usage--;
755
756	/*
757	 * Send the command only if this call is the first enable or last
758	 * disable
759	 */
760	if ((enable && (timer_usage == 1)) ||
761	    (!enable && (timer_usage == 0))) {
762		ret = sst_fill_and_send_cmd_unlocked(drv, SST_IPC_IA_CMD,
763				SST_FLAG_BLOCKED, SST_TASK_SBA, 0, &cmd,
764				sizeof(cmd.header) + cmd.header.length);
765		if (ret && enable) {
766			timer_usage--;
767			enable  = false;
768		}
769	}
770	mutex_unlock(&drv->lock);
771
772	if (!enable)
773		sst->ops->power(sst->dev, false);
774	return ret;
775}
776
777/**
778 * sst_ssp_config - contains SSP configuration for media UC
779 */
780static const struct sst_ssp_config sst_ssp_configs = {
781	.ssp_id = SSP_CODEC,
782	.bits_per_slot = 24,
783	.slots = 4,
784	.ssp_mode = SSP_MODE_MASTER,
785	.pcm_mode = SSP_PCM_MODE_NETWORK,
786	.duplex = SSP_DUPLEX,
787	.ssp_protocol = SSP_MODE_PCM,
788	.fs_width = 1,
789	.fs_frequency = SSP_FS_48_KHZ,
790	.active_slot_map = 0xF,
791	.start_delay = 0,
792};
793
794int send_ssp_cmd(struct snd_soc_dai *dai, const char *id, bool enable)
795{
796	struct sst_cmd_sba_hw_set_ssp cmd;
797	struct sst_data *drv = snd_soc_dai_get_drvdata(dai);
798	const struct sst_ssp_config *config;
799
800	dev_info(dai->dev, "Enter: enable=%d port_name=%s\n", enable, id);
801
802	SST_FILL_DEFAULT_DESTINATION(cmd.header.dst);
803	cmd.header.command_id = SBA_HW_SET_SSP;
804	cmd.header.length = sizeof(struct sst_cmd_sba_hw_set_ssp)
805				- sizeof(struct sst_dsp_header);
806
807	config = &sst_ssp_configs;
808	dev_dbg(dai->dev, "ssp_id: %u\n", config->ssp_id);
809
810	if (enable)
811		cmd.switch_state = SST_SWITCH_ON;
812	else
813		cmd.switch_state = SST_SWITCH_OFF;
814
815	cmd.selection = config->ssp_id;
816	cmd.nb_bits_per_slots = config->bits_per_slot;
817	cmd.nb_slots = config->slots;
818	cmd.mode = config->ssp_mode | (config->pcm_mode << 1);
819	cmd.duplex = config->duplex;
820	cmd.active_tx_slot_map = config->active_slot_map;
821	cmd.active_rx_slot_map = config->active_slot_map;
822	cmd.frame_sync_frequency = config->fs_frequency;
823	cmd.frame_sync_polarity = SSP_FS_ACTIVE_HIGH;
824	cmd.data_polarity = 1;
825	cmd.frame_sync_width = config->fs_width;
826	cmd.ssp_protocol = config->ssp_protocol;
827	cmd.start_delay = config->start_delay;
828	cmd.reserved1 = cmd.reserved2 = 0xFF;
829
830	return sst_fill_and_send_cmd(drv, SST_IPC_IA_CMD, SST_FLAG_BLOCKED,
831				SST_TASK_SBA, 0, &cmd,
832				sizeof(cmd.header) + cmd.header.length);
833}
834
835static int sst_set_be_modules(struct snd_soc_dapm_widget *w,
836			 struct snd_kcontrol *k, int event)
837{
838	int ret = 0;
839	struct snd_soc_component *c = snd_soc_dapm_to_component(w->dapm);
840	struct sst_data *drv = snd_soc_component_get_drvdata(c);
841
842	dev_dbg(c->dev, "Enter: widget=%s\n", w->name);
843
844	if (SND_SOC_DAPM_EVENT_ON(event)) {
845		ret = sst_send_slot_map(drv);
846		if (ret)
847			return ret;
848		ret = sst_send_pipe_module_params(w, k);
849	}
850	return ret;
851}
852
853static int sst_set_media_path(struct snd_soc_dapm_widget *w,
854			      struct snd_kcontrol *k, int event)
855{
856	int ret = 0;
857	struct sst_cmd_set_media_path cmd;
858	struct snd_soc_component *c = snd_soc_dapm_to_component(w->dapm);
859	struct sst_data *drv = snd_soc_component_get_drvdata(c);
860	struct sst_ids *ids = w->priv;
861
862	dev_dbg(c->dev, "widget=%s\n", w->name);
863	dev_dbg(c->dev, "task=%u, location=%#x\n",
864				ids->task_id, ids->location_id);
865
866	if (SND_SOC_DAPM_EVENT_ON(event))
867		cmd.switch_state = SST_PATH_ON;
868	else
869		cmd.switch_state = SST_PATH_OFF;
870
871	SST_FILL_DESTINATION(2, cmd.header.dst,
872			     ids->location_id, SST_DEFAULT_MODULE_ID);
873
874	/* MMX_SET_MEDIA_PATH == SBA_SET_MEDIA_PATH */
875	cmd.header.command_id = MMX_SET_MEDIA_PATH;
876	cmd.header.length = sizeof(struct sst_cmd_set_media_path)
877				- sizeof(struct sst_dsp_header);
878
879	ret = sst_fill_and_send_cmd(drv, SST_IPC_IA_CMD, SST_FLAG_BLOCKED,
880			      ids->task_id, 0, &cmd,
881			      sizeof(cmd.header) + cmd.header.length);
882	if (ret)
883		return ret;
884
885	if (SND_SOC_DAPM_EVENT_ON(event))
886		ret = sst_send_pipe_module_params(w, k);
887	return ret;
888}
889
890static int sst_set_media_loop(struct snd_soc_dapm_widget *w,
891			struct snd_kcontrol *k, int event)
892{
893	int ret = 0;
894	struct sst_cmd_sba_set_media_loop_map cmd;
895	struct snd_soc_component *c = snd_soc_dapm_to_component(w->dapm);
896	struct sst_data *drv = snd_soc_component_get_drvdata(c);
897	struct sst_ids *ids = w->priv;
898
899	dev_dbg(c->dev, "Enter:widget=%s\n", w->name);
900	if (SND_SOC_DAPM_EVENT_ON(event))
901		cmd.switch_state = SST_SWITCH_ON;
902	else
903		cmd.switch_state = SST_SWITCH_OFF;
904
905	SST_FILL_DESTINATION(2, cmd.header.dst,
906			     ids->location_id, SST_DEFAULT_MODULE_ID);
907
908	cmd.header.command_id = SBA_SET_MEDIA_LOOP_MAP;
909	cmd.header.length = sizeof(struct sst_cmd_sba_set_media_loop_map)
910				 - sizeof(struct sst_dsp_header);
911	cmd.param.part.cfg.rate = 2; /* 48khz */
912
913	cmd.param.part.cfg.format = ids->format; /* stereo/Mono */
914	cmd.param.part.cfg.s_length = 1; /* 24bit left justified */
915	cmd.map = 0; /* Algo sequence: Gain - DRP - FIR - IIR */
916
917	ret = sst_fill_and_send_cmd(drv, SST_IPC_IA_CMD, SST_FLAG_BLOCKED,
918			      SST_TASK_SBA, 0, &cmd,
919			      sizeof(cmd.header) + cmd.header.length);
920	if (ret)
921		return ret;
922
923	if (SND_SOC_DAPM_EVENT_ON(event))
924		ret = sst_send_pipe_module_params(w, k);
925	return ret;
926}
927
928static const struct snd_soc_dapm_widget sst_dapm_widgets[] = {
929	SST_AIF_IN("codec_in0", sst_set_be_modules),
930	SST_AIF_IN("codec_in1", sst_set_be_modules),
931	SST_AIF_OUT("codec_out0", sst_set_be_modules),
932	SST_AIF_OUT("codec_out1", sst_set_be_modules),
933
934	/* Media Paths */
935	/* MediaX IN paths are set via ALLOC, so no SET_MEDIA_PATH command */
936	SST_PATH_INPUT("media0_in", SST_TASK_MMX, SST_SWM_IN_MEDIA0, sst_generic_modules_event),
937	SST_PATH_INPUT("media1_in", SST_TASK_MMX, SST_SWM_IN_MEDIA1, NULL),
938	SST_PATH_INPUT("media2_in", SST_TASK_MMX, SST_SWM_IN_MEDIA2, sst_set_media_path),
939	SST_PATH_INPUT("media3_in", SST_TASK_MMX, SST_SWM_IN_MEDIA3, NULL),
940	SST_PATH_OUTPUT("media0_out", SST_TASK_MMX, SST_SWM_OUT_MEDIA0, sst_set_media_path),
941	SST_PATH_OUTPUT("media1_out", SST_TASK_MMX, SST_SWM_OUT_MEDIA1, sst_set_media_path),
942
943	/* SBA PCM Paths */
944	SST_PATH_INPUT("pcm0_in", SST_TASK_SBA, SST_SWM_IN_PCM0, sst_set_media_path),
945	SST_PATH_INPUT("pcm1_in", SST_TASK_SBA, SST_SWM_IN_PCM1, sst_set_media_path),
946	SST_PATH_OUTPUT("pcm0_out", SST_TASK_SBA, SST_SWM_OUT_PCM0, sst_set_media_path),
947	SST_PATH_OUTPUT("pcm1_out", SST_TASK_SBA, SST_SWM_OUT_PCM1, sst_set_media_path),
948	SST_PATH_OUTPUT("pcm2_out", SST_TASK_SBA, SST_SWM_OUT_PCM2, sst_set_media_path),
949
950	/* SBA Loops */
951	SST_PATH_INPUT("sprot_loop_in", SST_TASK_SBA, SST_SWM_IN_SPROT_LOOP, NULL),
952	SST_PATH_INPUT("media_loop1_in", SST_TASK_SBA, SST_SWM_IN_MEDIA_LOOP1, NULL),
953	SST_PATH_INPUT("media_loop2_in", SST_TASK_SBA, SST_SWM_IN_MEDIA_LOOP2, NULL),
954	SST_PATH_MEDIA_LOOP_OUTPUT("sprot_loop_out", SST_TASK_SBA, SST_SWM_OUT_SPROT_LOOP, SST_FMT_MONO, sst_set_media_loop),
955	SST_PATH_MEDIA_LOOP_OUTPUT("media_loop1_out", SST_TASK_SBA, SST_SWM_OUT_MEDIA_LOOP1, SST_FMT_MONO, sst_set_media_loop),
956	SST_PATH_MEDIA_LOOP_OUTPUT("media_loop2_out", SST_TASK_SBA, SST_SWM_OUT_MEDIA_LOOP2, SST_FMT_STEREO, sst_set_media_loop),
957
958	/* Media Mixers */
959	SST_SWM_MIXER("media0_out mix 0", SND_SOC_NOPM, SST_TASK_MMX, SST_SWM_OUT_MEDIA0,
960		      sst_mix_media0_controls, sst_swm_mixer_event),
961	SST_SWM_MIXER("media1_out mix 0", SND_SOC_NOPM, SST_TASK_MMX, SST_SWM_OUT_MEDIA1,
962		      sst_mix_media1_controls, sst_swm_mixer_event),
963
964	/* SBA PCM mixers */
965	SST_SWM_MIXER("pcm0_out mix 0", SND_SOC_NOPM, SST_TASK_SBA, SST_SWM_OUT_PCM0,
966		      sst_mix_pcm0_controls, sst_swm_mixer_event),
967	SST_SWM_MIXER("pcm1_out mix 0", SND_SOC_NOPM, SST_TASK_SBA, SST_SWM_OUT_PCM1,
968		      sst_mix_pcm1_controls, sst_swm_mixer_event),
969	SST_SWM_MIXER("pcm2_out mix 0", SND_SOC_NOPM, SST_TASK_SBA, SST_SWM_OUT_PCM2,
970		      sst_mix_pcm2_controls, sst_swm_mixer_event),
971
972	/* SBA Loop mixers */
973	SST_SWM_MIXER("sprot_loop_out mix 0", SND_SOC_NOPM, SST_TASK_SBA, SST_SWM_OUT_SPROT_LOOP,
974		      sst_mix_sprot_l0_controls, sst_swm_mixer_event),
975	SST_SWM_MIXER("media_loop1_out mix 0", SND_SOC_NOPM, SST_TASK_SBA, SST_SWM_OUT_MEDIA_LOOP1,
976		      sst_mix_media_l1_controls, sst_swm_mixer_event),
977	SST_SWM_MIXER("media_loop2_out mix 0", SND_SOC_NOPM, SST_TASK_SBA, SST_SWM_OUT_MEDIA_LOOP2,
978		      sst_mix_media_l2_controls, sst_swm_mixer_event),
979
980	/* SBA Backend mixers */
981	SST_SWM_MIXER("codec_out0 mix 0", SND_SOC_NOPM, SST_TASK_SBA, SST_SWM_OUT_CODEC0,
982		      sst_mix_codec0_controls, sst_swm_mixer_event),
983	SST_SWM_MIXER("codec_out1 mix 0", SND_SOC_NOPM, SST_TASK_SBA, SST_SWM_OUT_CODEC1,
984		      sst_mix_codec1_controls, sst_swm_mixer_event),
985};
986
987static const struct snd_soc_dapm_route intercon[] = {
988	{"media0_in", NULL, "Compress Playback"},
989	{"media1_in", NULL, "Headset Playback"},
990	{"media2_in", NULL, "pcm0_out"},
991
992	{"media0_out mix 0", "media0_in Switch", "media0_in"},
993	{"media0_out mix 0", "media1_in Switch", "media1_in"},
994	{"media0_out mix 0", "media2_in Switch", "media2_in"},
995	{"media0_out mix 0", "media3_in Switch", "media3_in"},
996	{"media1_out mix 0", "media0_in Switch", "media0_in"},
997	{"media1_out mix 0", "media1_in Switch", "media1_in"},
998	{"media1_out mix 0", "media2_in Switch", "media2_in"},
999	{"media1_out mix 0", "media3_in Switch", "media3_in"},
1000
1001	{"media0_out", NULL, "media0_out mix 0"},
1002	{"media1_out", NULL, "media1_out mix 0"},
1003	{"pcm0_in", NULL, "media0_out"},
1004	{"pcm1_in", NULL, "media1_out"},
1005
1006	{"Headset Capture", NULL, "pcm1_out"},
1007	{"Headset Capture", NULL, "pcm2_out"},
1008	{"pcm0_out", NULL, "pcm0_out mix 0"},
1009	SST_SBA_MIXER_GRAPH_MAP("pcm0_out mix 0"),
1010	{"pcm1_out", NULL, "pcm1_out mix 0"},
1011	SST_SBA_MIXER_GRAPH_MAP("pcm1_out mix 0"),
1012	{"pcm2_out", NULL, "pcm2_out mix 0"},
1013	SST_SBA_MIXER_GRAPH_MAP("pcm2_out mix 0"),
1014
1015	{"media_loop1_in", NULL, "media_loop1_out"},
1016	{"media_loop1_out", NULL, "media_loop1_out mix 0"},
1017	SST_SBA_MIXER_GRAPH_MAP("media_loop1_out mix 0"),
1018	{"media_loop2_in", NULL, "media_loop2_out"},
1019	{"media_loop2_out", NULL, "media_loop2_out mix 0"},
1020	SST_SBA_MIXER_GRAPH_MAP("media_loop2_out mix 0"),
1021	{"sprot_loop_in", NULL, "sprot_loop_out"},
1022	{"sprot_loop_out", NULL, "sprot_loop_out mix 0"},
1023	SST_SBA_MIXER_GRAPH_MAP("sprot_loop_out mix 0"),
1024
1025	{"codec_out0", NULL, "codec_out0 mix 0"},
1026	SST_SBA_MIXER_GRAPH_MAP("codec_out0 mix 0"),
1027	{"codec_out1", NULL, "codec_out1 mix 0"},
1028	SST_SBA_MIXER_GRAPH_MAP("codec_out1 mix 0"),
1029
1030};
1031static const char * const slot_names[] = {
1032	"none",
1033	"slot 0", "slot 1", "slot 2", "slot 3",
1034	"slot 4", "slot 5", "slot 6", "slot 7", /* not supported by FW */
1035};
1036
1037static const char * const channel_names[] = {
1038	"none",
1039	"codec_out0_0", "codec_out0_1", "codec_out1_0", "codec_out1_1",
1040	"codec_out2_0", "codec_out2_1", "codec_out3_0", "codec_out3_1", /* not supported by FW */
1041};
1042
1043#define SST_INTERLEAVER(xpname, slot_name, slotno) \
1044	SST_SSP_SLOT_CTL(xpname, "tx interleaver", slot_name, slotno, true, \
1045			 channel_names, sst_slot_get, sst_slot_put)
1046
1047#define SST_DEINTERLEAVER(xpname, channel_name, channel_no) \
1048	SST_SSP_SLOT_CTL(xpname, "rx deinterleaver", channel_name, channel_no, false, \
1049			 slot_names, sst_slot_get, sst_slot_put)
1050
1051static const struct snd_kcontrol_new sst_slot_controls[] = {
1052	SST_INTERLEAVER("codec_out", "slot 0", 0),
1053	SST_INTERLEAVER("codec_out", "slot 1", 1),
1054	SST_INTERLEAVER("codec_out", "slot 2", 2),
1055	SST_INTERLEAVER("codec_out", "slot 3", 3),
1056	SST_DEINTERLEAVER("codec_in", "codec_in0_0", 0),
1057	SST_DEINTERLEAVER("codec_in", "codec_in0_1", 1),
1058	SST_DEINTERLEAVER("codec_in", "codec_in1_0", 2),
1059	SST_DEINTERLEAVER("codec_in", "codec_in1_1", 3),
1060};
1061
1062/* Gain helper with min/max set */
1063#define SST_GAIN(name, path_id, task_id, instance, gain_var)				\
1064	SST_GAIN_KCONTROLS(name, "Gain", SST_GAIN_MIN_VALUE, SST_GAIN_MAX_VALUE,	\
1065		SST_GAIN_TC_MIN, SST_GAIN_TC_MAX,					\
1066		sst_gain_get, sst_gain_put,						\
1067		SST_MODULE_ID_GAIN_CELL, path_id, instance, task_id,			\
1068		sst_gain_tlv_common, gain_var)
1069
1070#define SST_VOLUME(name, path_id, task_id, instance, gain_var)				\
1071	SST_GAIN_KCONTROLS(name, "Volume", SST_GAIN_MIN_VALUE, SST_GAIN_MAX_VALUE,	\
1072		SST_GAIN_TC_MIN, SST_GAIN_TC_MAX,					\
1073		sst_gain_get, sst_gain_put,						\
1074		SST_MODULE_ID_VOLUME, path_id, instance, task_id,			\
1075		sst_gain_tlv_common, gain_var)
1076
1077static struct sst_gain_value sst_gains[];
1078
1079static const struct snd_kcontrol_new sst_gain_controls[] = {
1080	SST_GAIN("media0_in", SST_PATH_INDEX_MEDIA0_IN, SST_TASK_MMX, 0, &sst_gains[0]),
1081	SST_GAIN("media1_in", SST_PATH_INDEX_MEDIA1_IN, SST_TASK_MMX, 0, &sst_gains[1]),
1082	SST_GAIN("media2_in", SST_PATH_INDEX_MEDIA2_IN, SST_TASK_MMX, 0, &sst_gains[2]),
1083	SST_GAIN("media3_in", SST_PATH_INDEX_MEDIA3_IN, SST_TASK_MMX, 0, &sst_gains[3]),
1084
1085	SST_GAIN("pcm0_in", SST_PATH_INDEX_PCM0_IN, SST_TASK_SBA, 0, &sst_gains[4]),
1086	SST_GAIN("pcm1_in", SST_PATH_INDEX_PCM1_IN, SST_TASK_SBA, 0, &sst_gains[5]),
1087	SST_GAIN("pcm1_out", SST_PATH_INDEX_PCM1_OUT, SST_TASK_SBA, 0, &sst_gains[6]),
1088	SST_GAIN("pcm2_out", SST_PATH_INDEX_PCM2_OUT, SST_TASK_SBA, 0, &sst_gains[7]),
1089
1090	SST_GAIN("codec_in0", SST_PATH_INDEX_CODEC_IN0, SST_TASK_SBA, 0, &sst_gains[8]),
1091	SST_GAIN("codec_in1", SST_PATH_INDEX_CODEC_IN1, SST_TASK_SBA, 0, &sst_gains[9]),
1092	SST_GAIN("codec_out0", SST_PATH_INDEX_CODEC_OUT0, SST_TASK_SBA, 0, &sst_gains[10]),
1093	SST_GAIN("codec_out1", SST_PATH_INDEX_CODEC_OUT1, SST_TASK_SBA, 0, &sst_gains[11]),
1094	SST_GAIN("media_loop1_out", SST_PATH_INDEX_MEDIA_LOOP1_OUT, SST_TASK_SBA, 0, &sst_gains[12]),
1095	SST_GAIN("media_loop2_out", SST_PATH_INDEX_MEDIA_LOOP2_OUT, SST_TASK_SBA, 0, &sst_gains[13]),
1096	SST_GAIN("sprot_loop_out", SST_PATH_INDEX_SPROT_LOOP_OUT, SST_TASK_SBA, 0, &sst_gains[14]),
1097	SST_VOLUME("media0_in", SST_PATH_INDEX_MEDIA0_IN, SST_TASK_MMX, 0, &sst_gains[15]),
1098};
1099
1100#define SST_GAIN_NUM_CONTROLS 3
1101/* the SST_GAIN macro above will create three alsa controls for each
1102 * instance invoked, gain, mute and ramp duration, which use the same gain
1103 * cell sst_gain to keep track of data
1104 * To calculate number of gain cell instances we need to device by 3 in
1105 * below caulcation for gain cell memory.
1106 * This gets rid of static number and issues while adding new controls
1107 */
1108static struct sst_gain_value sst_gains[ARRAY_SIZE(sst_gain_controls)/SST_GAIN_NUM_CONTROLS];
1109
1110static const struct snd_kcontrol_new sst_algo_controls[] = {
1111	SST_ALGO_KCONTROL_BYTES("media_loop1_out", "fir", 272, SST_MODULE_ID_FIR_24,
1112		 SST_PATH_INDEX_MEDIA_LOOP1_OUT, 0, SST_TASK_SBA, SBA_VB_SET_FIR),
1113	SST_ALGO_KCONTROL_BYTES("media_loop1_out", "iir", 300, SST_MODULE_ID_IIR_24,
1114		SST_PATH_INDEX_MEDIA_LOOP1_OUT, 0, SST_TASK_SBA, SBA_VB_SET_IIR),
1115	SST_ALGO_KCONTROL_BYTES("media_loop1_out", "mdrp", 286, SST_MODULE_ID_MDRP,
1116		SST_PATH_INDEX_MEDIA_LOOP1_OUT, 0, SST_TASK_SBA, SBA_SET_MDRP),
1117	SST_ALGO_KCONTROL_BYTES("media_loop2_out", "fir", 272, SST_MODULE_ID_FIR_24,
1118		SST_PATH_INDEX_MEDIA_LOOP2_OUT, 0, SST_TASK_SBA, SBA_VB_SET_FIR),
1119	SST_ALGO_KCONTROL_BYTES("media_loop2_out", "iir", 300, SST_MODULE_ID_IIR_24,
1120		SST_PATH_INDEX_MEDIA_LOOP2_OUT, 0, SST_TASK_SBA, SBA_VB_SET_IIR),
1121	SST_ALGO_KCONTROL_BYTES("media_loop2_out", "mdrp", 286, SST_MODULE_ID_MDRP,
1122		SST_PATH_INDEX_MEDIA_LOOP2_OUT, 0, SST_TASK_SBA, SBA_SET_MDRP),
1123	SST_ALGO_KCONTROL_BYTES("sprot_loop_out", "lpro", 192, SST_MODULE_ID_SPROT,
1124		SST_PATH_INDEX_SPROT_LOOP_OUT, 0, SST_TASK_SBA, SBA_VB_LPRO),
1125	SST_ALGO_KCONTROL_BYTES("codec_in0", "dcr", 52, SST_MODULE_ID_FILT_DCR,
1126		SST_PATH_INDEX_CODEC_IN0, 0, SST_TASK_SBA, SBA_VB_SET_IIR),
1127	SST_ALGO_KCONTROL_BYTES("codec_in1", "dcr", 52, SST_MODULE_ID_FILT_DCR,
1128		SST_PATH_INDEX_CODEC_IN1, 0, SST_TASK_SBA, SBA_VB_SET_IIR),
1129
1130};
1131
1132static int sst_algo_control_init(struct device *dev)
1133{
1134	int i = 0;
1135	struct sst_algo_control *bc;
1136	/*allocate space to cache the algo parameters in the driver*/
1137	for (i = 0; i < ARRAY_SIZE(sst_algo_controls); i++) {
1138		bc = (struct sst_algo_control *)sst_algo_controls[i].private_value;
1139		bc->params = devm_kzalloc(dev, bc->max, GFP_KERNEL);
1140		if (bc->params == NULL)
1141			return -ENOMEM;
1142	}
1143	return 0;
1144}
1145
1146static bool is_sst_dapm_widget(struct snd_soc_dapm_widget *w)
1147{
1148	switch (w->id) {
1149	case snd_soc_dapm_pga:
1150	case snd_soc_dapm_aif_in:
1151	case snd_soc_dapm_aif_out:
1152	case snd_soc_dapm_input:
1153	case snd_soc_dapm_output:
1154	case snd_soc_dapm_mixer:
1155		return true;
1156	default:
1157		return false;
1158	}
1159}
1160
1161/**
1162 * sst_send_pipe_gains - send gains for the front-end DAIs
1163 *
1164 * The gains in the pipes connected to the front-ends are muted/unmuted
1165 * automatically via the digital_mute() DAPM callback. This function sends the
1166 * gains for the front-end pipes.
1167 */
1168int sst_send_pipe_gains(struct snd_soc_dai *dai, int stream, int mute)
1169{
1170	struct sst_data *drv = snd_soc_dai_get_drvdata(dai);
1171	struct snd_soc_dapm_widget *w;
1172	struct snd_soc_dapm_path *p = NULL;
1173
1174	dev_dbg(dai->dev, "enter, dai-name=%s dir=%d\n", dai->name, stream);
1175
1176	if (stream == SNDRV_PCM_STREAM_PLAYBACK) {
1177		dev_dbg(dai->dev, "Stream name=%s\n",
1178				dai->playback_widget->name);
1179		w = dai->playback_widget;
1180		list_for_each_entry(p, &w->sinks, list_source) {
1181			if (p->connected && !p->connected(w, p->sink))
1182				continue;
1183
1184			if (p->connect && p->sink->power &&
1185					is_sst_dapm_widget(p->sink)) {
1186				struct sst_ids *ids = p->sink->priv;
1187
1188				dev_dbg(dai->dev, "send gains for widget=%s\n",
1189						p->sink->name);
1190				mutex_lock(&drv->lock);
1191				sst_set_pipe_gain(ids, drv, mute);
1192				mutex_unlock(&drv->lock);
1193			}
1194		}
1195	} else {
1196		dev_dbg(dai->dev, "Stream name=%s\n",
1197				dai->capture_widget->name);
1198		w = dai->capture_widget;
1199		list_for_each_entry(p, &w->sources, list_sink) {
1200			if (p->connected && !p->connected(w, p->sink))
1201				continue;
1202
1203			if (p->connect &&  p->source->power &&
1204					is_sst_dapm_widget(p->source)) {
1205				struct sst_ids *ids = p->source->priv;
1206
1207				dev_dbg(dai->dev, "send gain for widget=%s\n",
1208						p->source->name);
1209				mutex_lock(&drv->lock);
1210				sst_set_pipe_gain(ids, drv, mute);
1211				mutex_unlock(&drv->lock);
1212			}
1213		}
1214	}
1215	return 0;
1216}
1217
1218/**
1219 * sst_fill_module_list - populate the list of modules/gains for a pipe
1220 *
1221 *
1222 * Fills the widget pointer in the kcontrol private data, and also fills the
1223 * kcontrol pointer in the widget private data.
1224 *
1225 * Widget pointer is used to send the algo/gain in the .put() handler if the
1226 * widget is powerd on.
1227 *
1228 * Kcontrol pointer is used to send the algo/gain in the widget power ON/OFF
1229 * event handler. Each widget (pipe) has multiple algos stored in the algo_list.
1230 */
1231static int sst_fill_module_list(struct snd_kcontrol *kctl,
1232	 struct snd_soc_dapm_widget *w, int type)
1233{
1234	struct sst_module *module = NULL;
1235	struct snd_soc_component *c = snd_soc_dapm_to_component(w->dapm);
1236	struct sst_ids *ids = w->priv;
1237	int ret = 0;
1238
1239	module = devm_kzalloc(c->dev, sizeof(*module), GFP_KERNEL);
1240	if (!module)
1241		return -ENOMEM;
1242
1243	if (type == SST_MODULE_GAIN) {
1244		struct sst_gain_mixer_control *mc = (void *)kctl->private_value;
1245
1246		mc->w = w;
1247		module->kctl = kctl;
1248		list_add_tail(&module->node, &ids->gain_list);
1249	} else if (type == SST_MODULE_ALGO) {
1250		struct sst_algo_control *bc = (void *)kctl->private_value;
1251
1252		bc->w = w;
1253		module->kctl = kctl;
1254		list_add_tail(&module->node, &ids->algo_list);
1255	} else {
1256		dev_err(c->dev, "invoked for unknown type %d module %s",
1257				type, kctl->id.name);
1258		ret = -EINVAL;
1259	}
1260
1261	return ret;
1262}
1263
1264/**
1265 * sst_fill_widget_module_info - fill list of gains/algos for the pipe
1266 * @widget:	pipe modelled as a DAPM widget
1267 *
1268 * Fill the list of gains/algos for the widget by looking at all the card
1269 * controls and comparing the name of the widget with the first part of control
1270 * name. First part of control name contains the pipe name (widget name).
1271 */
1272static int sst_fill_widget_module_info(struct snd_soc_dapm_widget *w,
1273	struct snd_soc_platform *platform)
1274{
1275	struct snd_kcontrol *kctl;
1276	int index, ret = 0;
1277	struct snd_card *card = platform->component.card->snd_card;
1278	char *idx;
1279
1280	down_read(&card->controls_rwsem);
1281
1282	list_for_each_entry(kctl, &card->controls, list) {
1283		idx = strstr(kctl->id.name, " ");
1284		if (idx == NULL)
1285			continue;
1286		index  = strlen(kctl->id.name) - strlen(idx);
1287
1288		if (strstr(kctl->id.name, "Volume") &&
1289		    !strncmp(kctl->id.name, w->name, index))
1290			ret = sst_fill_module_list(kctl, w, SST_MODULE_GAIN);
1291
1292		else if (strstr(kctl->id.name, "params") &&
1293			 !strncmp(kctl->id.name, w->name, index))
1294			ret = sst_fill_module_list(kctl, w, SST_MODULE_ALGO);
1295
1296		else if (strstr(kctl->id.name, "Switch") &&
1297			 !strncmp(kctl->id.name, w->name, index) &&
1298			 strstr(kctl->id.name, "Gain")) {
1299			struct sst_gain_mixer_control *mc =
1300						(void *)kctl->private_value;
1301
1302			mc->w = w;
1303
1304		} else if (strstr(kctl->id.name, "interleaver") &&
1305			 !strncmp(kctl->id.name, w->name, index)) {
1306			struct sst_enum *e = (void *)kctl->private_value;
1307
1308			e->w = w;
1309
1310		} else if (strstr(kctl->id.name, "deinterleaver") &&
1311			 !strncmp(kctl->id.name, w->name, index)) {
1312
1313			struct sst_enum *e = (void *)kctl->private_value;
1314
1315			e->w = w;
1316		}
1317
1318		if (ret < 0) {
1319			up_read(&card->controls_rwsem);
1320			return ret;
1321		}
1322	}
1323
1324	up_read(&card->controls_rwsem);
1325	return 0;
1326}
1327
1328/**
1329 * sst_fill_linked_widgets - fill the parent pointer for the linked widget
1330 */
1331static void sst_fill_linked_widgets(struct snd_soc_platform *platform,
1332						struct sst_ids *ids)
1333{
1334	struct snd_soc_dapm_widget *w;
1335	unsigned int len = strlen(ids->parent_wname);
1336
1337	list_for_each_entry(w, &platform->component.card->widgets, list) {
1338		if (!strncmp(ids->parent_wname, w->name, len)) {
1339			ids->parent_w = w;
1340			break;
1341		}
1342	}
1343}
1344
1345/**
1346 * sst_map_modules_to_pipe - fill algo/gains list for all pipes
1347 */
1348static int sst_map_modules_to_pipe(struct snd_soc_platform *platform)
1349{
1350	struct snd_soc_dapm_widget *w;
1351	int ret = 0;
1352
1353	list_for_each_entry(w, &platform->component.card->widgets, list) {
1354		if (is_sst_dapm_widget(w) && (w->priv)) {
1355			struct sst_ids *ids = w->priv;
1356
1357			dev_dbg(platform->dev, "widget type=%d name=%s\n",
1358					w->id, w->name);
1359			INIT_LIST_HEAD(&ids->algo_list);
1360			INIT_LIST_HEAD(&ids->gain_list);
1361			ret = sst_fill_widget_module_info(w, platform);
1362
1363			if (ret < 0)
1364				return ret;
1365
1366			/* fill linked widgets */
1367			if (ids->parent_wname !=  NULL)
1368				sst_fill_linked_widgets(platform, ids);
1369		}
1370	}
1371	return 0;
1372}
1373
1374int sst_dsp_init_v2_dpcm(struct snd_soc_platform *platform)
1375{
1376	int i, ret = 0;
1377	struct snd_soc_dapm_context *dapm =
1378			snd_soc_component_get_dapm(&platform->component);
1379	struct sst_data *drv = snd_soc_platform_get_drvdata(platform);
1380	unsigned int gains = ARRAY_SIZE(sst_gain_controls)/3;
1381
1382	drv->byte_stream = devm_kzalloc(platform->dev,
1383					SST_MAX_BIN_BYTES, GFP_KERNEL);
1384	if (!drv->byte_stream)
1385		return -ENOMEM;
1386
1387	snd_soc_dapm_new_controls(dapm, sst_dapm_widgets,
1388			ARRAY_SIZE(sst_dapm_widgets));
1389	snd_soc_dapm_add_routes(dapm, intercon,
1390			ARRAY_SIZE(intercon));
1391	snd_soc_dapm_new_widgets(dapm->card);
1392
1393	for (i = 0; i < gains; i++) {
1394		sst_gains[i].mute = SST_GAIN_MUTE_DEFAULT;
1395		sst_gains[i].l_gain = SST_GAIN_VOLUME_DEFAULT;
1396		sst_gains[i].r_gain = SST_GAIN_VOLUME_DEFAULT;
1397		sst_gains[i].ramp_duration = SST_GAIN_RAMP_DURATION_DEFAULT;
1398	}
1399
1400	ret = snd_soc_add_platform_controls(platform, sst_gain_controls,
1401			ARRAY_SIZE(sst_gain_controls));
1402	if (ret)
1403		return ret;
1404
1405	/* Initialize algo control params */
1406	ret = sst_algo_control_init(platform->dev);
1407	if (ret)
1408		return ret;
1409	ret = snd_soc_add_platform_controls(platform, sst_algo_controls,
1410			ARRAY_SIZE(sst_algo_controls));
1411	if (ret)
1412		return ret;
1413
1414	ret = snd_soc_add_platform_controls(platform, sst_slot_controls,
1415			ARRAY_SIZE(sst_slot_controls));
1416	if (ret)
1417		return ret;
1418
1419	ret = sst_map_modules_to_pipe(platform);
1420
1421	return ret;
1422}
1423