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Merge remote-tracking branches 'asoc/topic/rt298', 'asoc/topic/rt5640', 'asoc/topic...
[deliverable/linux.git] / sound / soc / intel / skylake / skl-messages.c
CommitLineData
d255b095
JK		 1/*
2 * skl-message.c - HDA DSP interface for FW registration, Pipe and Module
3 * configurations
4 *
5 * Copyright (C) 2015 Intel Corp
6 * Author:Rafal Redzimski <rafal.f.redzimski@intel.com>
7 * Jeeja KP <jeeja.kp@intel.com>
8 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as version 2, as
12 * published by the Free Software Foundation.
13 *
14 * This program is distributed in the hope that it will be useful, but
15 * WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * General Public License for more details.
18 */
19
20#include <linux/slab.h>
21#include <linux/pci.h>
22#include <sound/core.h>
23#include <sound/pcm.h>
24#include "skl-sst-dsp.h"
25#include "skl-sst-ipc.h"
26#include "skl.h"
27#include "../common/sst-dsp.h"
28#include "../common/sst-dsp-priv.h"
23db472b
JK		 29#include "skl-topology.h"
30#include "skl-tplg-interface.h"
d255b095
JK		 31
32static int skl_alloc_dma_buf(struct device *dev,
33 struct snd_dma_buffer *dmab, size_t size)
34{
35 struct hdac_ext_bus *ebus = dev_get_drvdata(dev);
36 struct hdac_bus *bus = ebus_to_hbus(ebus);
37
38 if (!bus)
39 return -ENODEV;
40
41 return bus->io_ops->dma_alloc_pages(bus, SNDRV_DMA_TYPE_DEV, size, dmab);
42}
43
44static int skl_free_dma_buf(struct device *dev, struct snd_dma_buffer *dmab)
45{
46 struct hdac_ext_bus *ebus = dev_get_drvdata(dev);
47 struct hdac_bus *bus = ebus_to_hbus(ebus);
48
49 if (!bus)
50 return -ENODEV;
51
52 bus->io_ops->dma_free_pages(bus, dmab);
53
54 return 0;
55}
56
57int skl_init_dsp(struct skl *skl)
58{
59 void __iomem *mmio_base;
60 struct hdac_ext_bus *ebus = &skl->ebus;
61 struct hdac_bus *bus = ebus_to_hbus(ebus);
62 int irq = bus->irq;
63 struct skl_dsp_loader_ops loader_ops;
64 int ret;
65
66 loader_ops.alloc_dma_buf = skl_alloc_dma_buf;
67 loader_ops.free_dma_buf = skl_free_dma_buf;
68
69 /* enable ppcap interrupt */
70 snd_hdac_ext_bus_ppcap_enable(&skl->ebus, true);
71 snd_hdac_ext_bus_ppcap_int_enable(&skl->ebus, true);
72
73 /* read the BAR of the ADSP MMIO */
74 mmio_base = pci_ioremap_bar(skl->pci, 4);
75 if (mmio_base == NULL) {
76 dev_err(bus->dev, "ioremap error\n");
77 return -ENXIO;
78 }
79
80 ret = skl_sst_dsp_init(bus->dev, mmio_base, irq,
81 loader_ops, &skl->skl_sst);
82
83 dev_dbg(bus->dev, "dsp registration status=%d\n", ret);
84
85 return ret;
86}
87
88void skl_free_dsp(struct skl *skl)
89{
90 struct hdac_ext_bus *ebus = &skl->ebus;
91 struct hdac_bus *bus = ebus_to_hbus(ebus);
92 struct skl_sst *ctx = skl->skl_sst;
93
94 /* disable ppcap interrupt */
95 snd_hdac_ext_bus_ppcap_int_enable(&skl->ebus, false);
96
97 skl_sst_dsp_cleanup(bus->dev, ctx);
98 if (ctx->dsp->addr.lpe)
99 iounmap(ctx->dsp->addr.lpe);
100}
101
102int skl_suspend_dsp(struct skl *skl)
103{
104 struct skl_sst *ctx = skl->skl_sst;
105 int ret;
106
107 /* if ppcap is not supported return 0 */
108 if (!skl->ebus.ppcap)
109 return 0;
110
111 ret = skl_dsp_sleep(ctx->dsp);
112 if (ret < 0)
113 return ret;
114
115 /* disable ppcap interrupt */
116 snd_hdac_ext_bus_ppcap_int_enable(&skl->ebus, false);
117 snd_hdac_ext_bus_ppcap_enable(&skl->ebus, false);
118
119 return 0;
120}
121
122int skl_resume_dsp(struct skl *skl)
123{
124 struct skl_sst *ctx = skl->skl_sst;
125
126 /* if ppcap is not supported return 0 */
127 if (!skl->ebus.ppcap)
128 return 0;
129
130 /* enable ppcap interrupt */
131 snd_hdac_ext_bus_ppcap_enable(&skl->ebus, true);
132 snd_hdac_ext_bus_ppcap_int_enable(&skl->ebus, true);
133
134 return skl_dsp_wake(ctx->dsp);
135}
23db472b
JK		 136
137enum skl_bitdepth skl_get_bit_depth(int params)
138{
139 switch (params) {
140 case 8:
141 return SKL_DEPTH_8BIT;
142
143 case 16:
144 return SKL_DEPTH_16BIT;
145
146 case 24:
147 return SKL_DEPTH_24BIT;
148
149 case 32:
150 return SKL_DEPTH_32BIT;
151
152 default:
153 return SKL_DEPTH_INVALID;
154
155 }
156}
157
158static u32 skl_create_channel_map(enum skl_ch_cfg ch_cfg)
159{
160 u32 config;
161
162 switch (ch_cfg) {
163 case SKL_CH_CFG_MONO:
164 config = (0xFFFFFFF0 | SKL_CHANNEL_LEFT);
165 break;
166
167 case SKL_CH_CFG_STEREO:
168 config = (0xFFFFFF00 | SKL_CHANNEL_LEFT
169 | (SKL_CHANNEL_RIGHT << 4));
170 break;
171
172 case SKL_CH_CFG_2_1:
173 config = (0xFFFFF000 | SKL_CHANNEL_LEFT
174 | (SKL_CHANNEL_RIGHT << 4)
175 | (SKL_CHANNEL_LFE << 8));
176 break;
177
178 case SKL_CH_CFG_3_0:
179 config = (0xFFFFF000 | SKL_CHANNEL_LEFT
180 | (SKL_CHANNEL_CENTER << 4)
181 | (SKL_CHANNEL_RIGHT << 8));
182 break;
183
184 case SKL_CH_CFG_3_1:
185 config = (0xFFFF0000 | SKL_CHANNEL_LEFT
186 | (SKL_CHANNEL_CENTER << 4)
187 | (SKL_CHANNEL_RIGHT << 8)
188 | (SKL_CHANNEL_LFE << 12));
189 break;
190
191 case SKL_CH_CFG_QUATRO:
192 config = (0xFFFF0000 | SKL_CHANNEL_LEFT
193 | (SKL_CHANNEL_RIGHT << 4)
194 | (SKL_CHANNEL_LEFT_SURROUND << 8)
195 | (SKL_CHANNEL_RIGHT_SURROUND << 12));
196 break;
197
198 case SKL_CH_CFG_4_0:
199 config = (0xFFFF0000 | SKL_CHANNEL_LEFT
200 | (SKL_CHANNEL_CENTER << 4)
201 | (SKL_CHANNEL_RIGHT << 8)
202 | (SKL_CHANNEL_CENTER_SURROUND << 12));
203 break;
204
205 case SKL_CH_CFG_5_0:
206 config = (0xFFF00000 | SKL_CHANNEL_LEFT
207 | (SKL_CHANNEL_CENTER << 4)
208 | (SKL_CHANNEL_RIGHT << 8)
209 | (SKL_CHANNEL_LEFT_SURROUND << 12)
210 | (SKL_CHANNEL_RIGHT_SURROUND << 16));
211 break;
212
213 case SKL_CH_CFG_5_1:
214 config = (0xFF000000 | SKL_CHANNEL_CENTER
215 | (SKL_CHANNEL_LEFT << 4)
216 | (SKL_CHANNEL_RIGHT << 8)
217 | (SKL_CHANNEL_LEFT_SURROUND << 12)
218 | (SKL_CHANNEL_RIGHT_SURROUND << 16)
219 | (SKL_CHANNEL_LFE << 20));
220 break;
221
222 case SKL_CH_CFG_DUAL_MONO:
223 config = (0xFFFFFF00 | SKL_CHANNEL_LEFT
224 | (SKL_CHANNEL_LEFT << 4));
225 break;
226
227 case SKL_CH_CFG_I2S_DUAL_STEREO_0:
228 config = (0xFFFFFF00 | SKL_CHANNEL_LEFT
229 | (SKL_CHANNEL_RIGHT << 4));
230 break;
231
232 case SKL_CH_CFG_I2S_DUAL_STEREO_1:
233 config = (0xFFFF00FF | (SKL_CHANNEL_LEFT << 8)
234 | (SKL_CHANNEL_RIGHT << 12));
235 break;
236
237 default:
238 config = 0xFFFFFFFF;
239 break;
240
241 }
242
243 return config;
244}
245
246/*
247 * Each module in DSP expects a base module configuration, which consists of
248 * PCM format information, which we calculate in driver and resource values
249 * which are read from widget information passed through topology binary
250 * This is send when we create a module with INIT_INSTANCE IPC msg
251 */
252static void skl_set_base_module_format(struct skl_sst *ctx,
253 struct skl_module_cfg *mconfig,
254 struct skl_base_cfg *base_cfg)
255{
256 struct skl_module_fmt *format = &mconfig->in_fmt;
257
258 base_cfg->audio_fmt.number_of_channels = (u8)format->channels;
259
260 base_cfg->audio_fmt.s_freq = format->s_freq;
261 base_cfg->audio_fmt.bit_depth = format->bit_depth;
262 base_cfg->audio_fmt.valid_bit_depth = format->valid_bit_depth;
263 base_cfg->audio_fmt.ch_cfg = format->ch_cfg;
264
265 dev_dbg(ctx->dev, "bit_depth=%x valid_bd=%x ch_config=%x\n",
266 format->bit_depth, format->valid_bit_depth,
267 format->ch_cfg);
268
269 base_cfg->audio_fmt.channel_map = skl_create_channel_map(
270 base_cfg->audio_fmt.ch_cfg);
271
272 base_cfg->audio_fmt.interleaving = SKL_INTERLEAVING_PER_CHANNEL;
273
274 base_cfg->cps = mconfig->mcps;
275 base_cfg->ibs = mconfig->ibs;
276 base_cfg->obs = mconfig->obs;
277}
278
279/*
280 * Copies copier capabilities into copier module and updates copier module
281 * config size.
282 */
283static void skl_copy_copier_caps(struct skl_module_cfg *mconfig,
284 struct skl_cpr_cfg *cpr_mconfig)
285{
286 if (mconfig->formats_config.caps_size == 0)
287 return;
288
289 memcpy(cpr_mconfig->gtw_cfg.config_data,
290 mconfig->formats_config.caps,
291 mconfig->formats_config.caps_size);
292
293 cpr_mconfig->gtw_cfg.config_length =
294 (mconfig->formats_config.caps_size) / 4;
295}
296
297/*
298 * Calculate the gatewat settings required for copier module, type of
299 * gateway and index of gateway to use
300 */
301static void skl_setup_cpr_gateway_cfg(struct skl_sst *ctx,
302 struct skl_module_cfg *mconfig,
303 struct skl_cpr_cfg *cpr_mconfig)
304{
305 union skl_connector_node_id node_id = {0};
306 struct skl_pipe_params *params = mconfig->pipe->p_params;
307
308 switch (mconfig->dev_type) {
309 case SKL_DEVICE_BT:
310 node_id.node.dma_type =
311 (SKL_CONN_SOURCE == mconfig->hw_conn_type) ?
312 SKL_DMA_I2S_LINK_OUTPUT_CLASS :
313 SKL_DMA_I2S_LINK_INPUT_CLASS;
314 node_id.node.vindex = params->host_dma_id +
315 (mconfig->vbus_id << 3);
316 break;
317
318 case SKL_DEVICE_I2S:
319 node_id.node.dma_type =
320 (SKL_CONN_SOURCE == mconfig->hw_conn_type) ?
321 SKL_DMA_I2S_LINK_OUTPUT_CLASS :
322 SKL_DMA_I2S_LINK_INPUT_CLASS;
323 node_id.node.vindex = params->host_dma_id +
324 (mconfig->time_slot << 1) +
325 (mconfig->vbus_id << 3);
326 break;
327
328 case SKL_DEVICE_DMIC:
329 node_id.node.dma_type = SKL_DMA_DMIC_LINK_INPUT_CLASS;
330 node_id.node.vindex = mconfig->vbus_id +
331 (mconfig->time_slot);
332 break;
333
334 case SKL_DEVICE_HDALINK:
335 node_id.node.dma_type =
336 (SKL_CONN_SOURCE == mconfig->hw_conn_type) ?
337 SKL_DMA_HDA_LINK_OUTPUT_CLASS :
338 SKL_DMA_HDA_LINK_INPUT_CLASS;
339 node_id.node.vindex = params->link_dma_id;
340 break;
341
342 default:
343 node_id.node.dma_type =
344 (SKL_CONN_SOURCE == mconfig->hw_conn_type) ?
345 SKL_DMA_HDA_HOST_OUTPUT_CLASS :
346 SKL_DMA_HDA_HOST_INPUT_CLASS;
347 node_id.node.vindex = params->host_dma_id;
348 break;
349 }
350
351 cpr_mconfig->gtw_cfg.node_id = node_id.val;
352
353 if (SKL_CONN_SOURCE == mconfig->hw_conn_type)
354 cpr_mconfig->gtw_cfg.dma_buffer_size = 2 * mconfig->obs;
355 else
356 cpr_mconfig->gtw_cfg.dma_buffer_size = 2 * mconfig->ibs;
357
358 cpr_mconfig->cpr_feature_mask = 0;
359 cpr_mconfig->gtw_cfg.config_length = 0;
360
361 skl_copy_copier_caps(mconfig, cpr_mconfig);
362}
363
364static void skl_setup_out_format(struct skl_sst *ctx,
365 struct skl_module_cfg *mconfig,
366 struct skl_audio_data_format *out_fmt)
367{
368 struct skl_module_fmt *format = &mconfig->out_fmt;
369
370 out_fmt->number_of_channels = (u8)format->channels;
371 out_fmt->s_freq = format->s_freq;
372 out_fmt->bit_depth = format->bit_depth;
373 out_fmt->valid_bit_depth = format->valid_bit_depth;
374 out_fmt->ch_cfg = format->ch_cfg;
375
376 out_fmt->channel_map = skl_create_channel_map(out_fmt->ch_cfg);
377 out_fmt->interleaving = SKL_INTERLEAVING_PER_CHANNEL;
378
379 dev_dbg(ctx->dev, "copier out format chan=%d fre=%d bitdepth=%d\n",
380 out_fmt->number_of_channels, format->s_freq, format->bit_depth);
381}
382
a0ffe48b
HS		 383/*
384 * DSP needs SRC module for frequency conversion, SRC takes base module
385 * configuration and the target frequency as extra parameter passed as src
386 * config
387 */
388static void skl_set_src_format(struct skl_sst *ctx,
389 struct skl_module_cfg *mconfig,
390 struct skl_src_module_cfg *src_mconfig)
391{
392 struct skl_module_fmt *fmt = &mconfig->out_fmt;
393
394 skl_set_base_module_format(ctx, mconfig,
395 (struct skl_base_cfg *)src_mconfig);
396
397 src_mconfig->src_cfg = fmt->s_freq;
398}
399
400/*
401 * DSP needs updown module to do channel conversion. updown module take base
402 * module configuration and channel configuration
403 * It also take coefficients and now we have defaults applied here
404 */
405static void skl_set_updown_mixer_format(struct skl_sst *ctx,
406 struct skl_module_cfg *mconfig,
407 struct skl_up_down_mixer_cfg *mixer_mconfig)
408{
409 struct skl_module_fmt *fmt = &mconfig->out_fmt;
410 int i = 0;
411
412 skl_set_base_module_format(ctx, mconfig,
413 (struct skl_base_cfg *)mixer_mconfig);
414 mixer_mconfig->out_ch_cfg = fmt->ch_cfg;
415
416 /* Select F/W default coefficient */
417 mixer_mconfig->coeff_sel = 0x0;
418
419 /* User coeff, don't care since we are selecting F/W defaults */
420 for (i = 0; i < UP_DOWN_MIXER_MAX_COEFF; i++)
421 mixer_mconfig->coeff[i] = 0xDEADBEEF;
422}
423
23db472b
JK		 424/*
425 * 'copier' is DSP internal module which copies data from Host DMA (HDA host
426 * dma) or link (hda link, SSP, PDM)
427 * Here we calculate the copier module parameters, like PCM format, output
428 * format, gateway settings
429 * copier_module_config is sent as input buffer with INIT_INSTANCE IPC msg
430 */
431static void skl_set_copier_format(struct skl_sst *ctx,
432 struct skl_module_cfg *mconfig,
433 struct skl_cpr_cfg *cpr_mconfig)
434{
435 struct skl_audio_data_format *out_fmt = &cpr_mconfig->out_fmt;
436 struct skl_base_cfg *base_cfg = (struct skl_base_cfg *)cpr_mconfig;
437
438 skl_set_base_module_format(ctx, mconfig, base_cfg);
439
440 skl_setup_out_format(ctx, mconfig, out_fmt);
441 skl_setup_cpr_gateway_cfg(ctx, mconfig, cpr_mconfig);
442}
443
444static u16 skl_get_module_param_size(struct skl_sst *ctx,
445 struct skl_module_cfg *mconfig)
446{
447 u16 param_size;
448
449 switch (mconfig->m_type) {
450 case SKL_MODULE_TYPE_COPIER:
451 param_size = sizeof(struct skl_cpr_cfg);
452 param_size += mconfig->formats_config.caps_size;
453 return param_size;
454
a0ffe48b
HS		 455 case SKL_MODULE_TYPE_SRCINT:
456 return sizeof(struct skl_src_module_cfg);
457
458 case SKL_MODULE_TYPE_UPDWMIX:
459 return sizeof(struct skl_up_down_mixer_cfg);
460
23db472b
JK		 461 default:
462 /*
463 * return only base cfg when no specific module type is
464 * specified
465 */
466 return sizeof(struct skl_base_cfg);
467 }
468
469 return 0;
470}
471
472/*
a0ffe48b
HS		 473 * DSP firmware supports various modules like copier, SRC, updown etc.
474 * These modules required various parameters to be calculated and sent for
475 * the module initialization to DSP. By default a generic module needs only
476 * base module format configuration
23db472b 477 */
a0ffe48b 478
23db472b
JK		 479static int skl_set_module_format(struct skl_sst *ctx,
480 struct skl_module_cfg *module_config,
481 u16 *module_config_size,
482 void **param_data)
483{
484 u16 param_size;
485
486 param_size = skl_get_module_param_size(ctx, module_config);
487
488 *param_data = kzalloc(param_size, GFP_KERNEL);
489 if (NULL == *param_data)
490 return -ENOMEM;
491
492 *module_config_size = param_size;
493
494 switch (module_config->m_type) {
495 case SKL_MODULE_TYPE_COPIER:
496 skl_set_copier_format(ctx, module_config, *param_data);
497 break;
498
a0ffe48b
HS		 499 case SKL_MODULE_TYPE_SRCINT:
500 skl_set_src_format(ctx, module_config, *param_data);
501 break;
502
503 case SKL_MODULE_TYPE_UPDWMIX:
504 skl_set_updown_mixer_format(ctx, module_config, *param_data);
505 break;
506
23db472b
JK		 507 default:
508 skl_set_base_module_format(ctx, module_config, *param_data);
509 break;
510
511 }
512
513 dev_dbg(ctx->dev, "Module type=%d config size: %d bytes\n",
514 module_config->id.module_id, param_size);
515 print_hex_dump(KERN_DEBUG, "Module params:", DUMP_PREFIX_OFFSET, 8, 4,
516 *param_data, param_size, false);
517 return 0;
518}
519
520static int skl_get_queue_index(struct skl_module_pin *mpin,
521 struct skl_module_inst_id id, int max)
522{
523 int i;
524
525 for (i = 0; i < max; i++) {
526 if (mpin[i].id.module_id == id.module_id &&
527 mpin[i].id.instance_id == id.instance_id)
528 return i;
529 }
530
531 return -EINVAL;
532}
533
534/*
535 * Allocates queue for each module.
536 * if dynamic, the pin_index is allocated 0 to max_pin.
537 * In static, the pin_index is fixed based on module_id and instance id
538 */
539static int skl_alloc_queue(struct skl_module_pin *mpin,
540 struct skl_module_inst_id id, int max)
541{
542 int i;
543
544 /*
545 * if pin in dynamic, find first free pin
546 * otherwise find match module and instance id pin as topology will
547 * ensure a unique pin is assigned to this so no need to
548 * allocate/free
549 */
550 for (i = 0; i < max; i++) {
551 if (mpin[i].is_dynamic) {
552 if (!mpin[i].in_use) {
553 mpin[i].in_use = true;
554 mpin[i].id.module_id = id.module_id;
555 mpin[i].id.instance_id = id.instance_id;
556 return i;
557 }
558 } else {
559 if (mpin[i].id.module_id == id.module_id &&
560 mpin[i].id.instance_id == id.instance_id)
561 return i;
562 }
563 }
564
565 return -EINVAL;
566}
567
568static void skl_free_queue(struct skl_module_pin *mpin, int q_index)
569{
570 if (mpin[q_index].is_dynamic) {
571 mpin[q_index].in_use = false;
572 mpin[q_index].id.module_id = 0;
573 mpin[q_index].id.instance_id = 0;
574 }
575}
beb73b26
JK		 576
577/*
578 * A module needs to be instanataited in DSP. A mdoule is present in a
579 * collection of module referred as a PIPE.
580 * We first calculate the module format, based on module type and then
581 * invoke the DSP by sending IPC INIT_INSTANCE using ipc helper
582 */
583int skl_init_module(struct skl_sst *ctx,
584 struct skl_module_cfg *mconfig, char *param)
585{
586 u16 module_config_size = 0;
587 void *param_data = NULL;
588 int ret;
589 struct skl_ipc_init_instance_msg msg;
590
591 dev_dbg(ctx->dev, "%s: module_id = %d instance=%d\n", __func__,
592 mconfig->id.module_id, mconfig->id.instance_id);
593
594 if (mconfig->pipe->state != SKL_PIPE_CREATED) {
595 dev_err(ctx->dev, "Pipe not created state= %d pipe_id= %d\n",
596 mconfig->pipe->state, mconfig->pipe->ppl_id);
597 return -EIO;
598 }
599
600 ret = skl_set_module_format(ctx, mconfig,
601 &module_config_size, &param_data);
602 if (ret < 0) {
603 dev_err(ctx->dev, "Failed to set module format ret=%d\n", ret);
604 return ret;
605 }
606
607 msg.module_id = mconfig->id.module_id;
608 msg.instance_id = mconfig->id.instance_id;
609 msg.ppl_instance_id = mconfig->pipe->ppl_id;
610 msg.param_data_size = module_config_size;
611 msg.core_id = mconfig->core_id;
612
613 ret = skl_ipc_init_instance(&ctx->ipc, &msg, param_data);
614 if (ret < 0) {
615 dev_err(ctx->dev, "Failed to init instance ret=%d\n", ret);
616 kfree(param_data);
617 return ret;
618 }
619 mconfig->m_state = SKL_MODULE_INIT_DONE;
620
621 return ret;
622}
623
624static void skl_dump_bind_info(struct skl_sst *ctx, struct skl_module_cfg
625 *src_module, struct skl_module_cfg *dst_module)
626{
627 dev_dbg(ctx->dev, "%s: src module_id = %d src_instance=%d\n",
628 __func__, src_module->id.module_id, src_module->id.instance_id);
629 dev_dbg(ctx->dev, "%s: dst_module=%d dst_instacne=%d\n", __func__,
630 dst_module->id.module_id, dst_module->id.instance_id);
631
632 dev_dbg(ctx->dev, "src_module state = %d dst module state = %d\n",
633 src_module->m_state, dst_module->m_state);
634}
635
636/*
637 * On module freeup, we need to unbind the module with modules
638 * it is already bind.
639 * Find the pin allocated and unbind then using bind_unbind IPC
640 */
641int skl_unbind_modules(struct skl_sst *ctx,
642 struct skl_module_cfg *src_mcfg,
643 struct skl_module_cfg *dst_mcfg)
644{
645 int ret;
646 struct skl_ipc_bind_unbind_msg msg;
647 struct skl_module_inst_id src_id = src_mcfg->id;
648 struct skl_module_inst_id dst_id = dst_mcfg->id;
649 int in_max = dst_mcfg->max_in_queue;
650 int out_max = src_mcfg->max_out_queue;
651 int src_index, dst_index;
652
653 skl_dump_bind_info(ctx, src_mcfg, dst_mcfg);
654
655 if (src_mcfg->m_state != SKL_MODULE_BIND_DONE)
656 return 0;
657
658 /*
659 * if intra module unbind, check if both modules are BIND,
660 * then send unbind
661 */
662 if ((src_mcfg->pipe->ppl_id != dst_mcfg->pipe->ppl_id) &&
663 dst_mcfg->m_state != SKL_MODULE_BIND_DONE)
664 return 0;
665 else if (src_mcfg->m_state < SKL_MODULE_INIT_DONE &&
666 dst_mcfg->m_state < SKL_MODULE_INIT_DONE)
667 return 0;
668
669 /* get src queue index */
670 src_index = skl_get_queue_index(src_mcfg->m_out_pin, dst_id, out_max);
671 if (src_index < 0)
672 return -EINVAL;
673
674 msg.src_queue = src_mcfg->m_out_pin[src_index].pin_index;
675
676 /* get dst queue index */
677 dst_index = skl_get_queue_index(dst_mcfg->m_in_pin, src_id, in_max);
678 if (dst_index < 0)
679 return -EINVAL;
680
681 msg.dst_queue = dst_mcfg->m_in_pin[dst_index].pin_index;
682
683 msg.module_id = src_mcfg->id.module_id;
684 msg.instance_id = src_mcfg->id.instance_id;
685 msg.dst_module_id = dst_mcfg->id.module_id;
686 msg.dst_instance_id = dst_mcfg->id.instance_id;
687 msg.bind = false;
688
689 ret = skl_ipc_bind_unbind(&ctx->ipc, &msg);
690 if (!ret) {
691 src_mcfg->m_state = SKL_MODULE_UNINIT;
692 /* free queue only if unbind is success */
693 skl_free_queue(src_mcfg->m_out_pin, src_index);
694 skl_free_queue(dst_mcfg->m_in_pin, dst_index);
695 }
696
697 return ret;
698}
699
700/*
701 * Once a module is instantiated it need to be 'bind' with other modules in
702 * the pipeline. For binding we need to find the module pins which are bind
703 * together
704 * This function finds the pins and then sends bund_unbind IPC message to
705 * DSP using IPC helper
706 */
707int skl_bind_modules(struct skl_sst *ctx,
708 struct skl_module_cfg *src_mcfg,
709 struct skl_module_cfg *dst_mcfg)
710{
711 int ret;
712 struct skl_ipc_bind_unbind_msg msg;
713 struct skl_module_inst_id src_id = src_mcfg->id;
714 struct skl_module_inst_id dst_id = dst_mcfg->id;
715 int in_max = dst_mcfg->max_in_queue;
716 int out_max = src_mcfg->max_out_queue;
717 int src_index, dst_index;
718
719 skl_dump_bind_info(ctx, src_mcfg, dst_mcfg);
720
721 if (src_mcfg->m_state < SKL_MODULE_INIT_DONE &&
722 dst_mcfg->m_state < SKL_MODULE_INIT_DONE)
723 return 0;
724
725 src_index = skl_alloc_queue(src_mcfg->m_out_pin, dst_id, out_max);
726 if (src_index < 0)
727 return -EINVAL;
728
729 msg.src_queue = src_mcfg->m_out_pin[src_index].pin_index;
730 dst_index = skl_alloc_queue(dst_mcfg->m_in_pin, src_id, in_max);
731 if (dst_index < 0) {
732 skl_free_queue(src_mcfg->m_out_pin, src_index);
733 return -EINVAL;
734 }
735
736 msg.dst_queue = dst_mcfg->m_in_pin[dst_index].pin_index;
737
738 dev_dbg(ctx->dev, "src queue = %d dst queue =%d\n",
739 msg.src_queue, msg.dst_queue);
740
741 msg.module_id = src_mcfg->id.module_id;
742 msg.instance_id = src_mcfg->id.instance_id;
743 msg.dst_module_id = dst_mcfg->id.module_id;
744 msg.dst_instance_id = dst_mcfg->id.instance_id;
745 msg.bind = true;
746
747 ret = skl_ipc_bind_unbind(&ctx->ipc, &msg);
748
749 if (!ret) {
750 src_mcfg->m_state = SKL_MODULE_BIND_DONE;
751 } else {
752 /* error case , if IPC fails, clear the queue index */
753 skl_free_queue(src_mcfg->m_out_pin, src_index);
754 skl_free_queue(dst_mcfg->m_in_pin, dst_index);
755 }
756
757 return ret;
758}
c9b1e834
JK		 759
760static int skl_set_pipe_state(struct skl_sst *ctx, struct skl_pipe *pipe,
761 enum skl_ipc_pipeline_state state)
762{
763 dev_dbg(ctx->dev, "%s: pipe_satate = %d\n", __func__, state);
764
765 return skl_ipc_set_pipeline_state(&ctx->ipc, pipe->ppl_id, state);
766}
767
768/*
769 * A pipeline is a collection of modules. Before a module in instantiated a
770 * pipeline needs to be created for it.
771 * This function creates pipeline, by sending create pipeline IPC messages
772 * to FW
773 */
774int skl_create_pipeline(struct skl_sst *ctx, struct skl_pipe *pipe)
775{
776 int ret;
777
778 dev_dbg(ctx->dev, "%s: pipe_id = %d\n", __func__, pipe->ppl_id);
779
780 ret = skl_ipc_create_pipeline(&ctx->ipc, pipe->memory_pages,
781 pipe->pipe_priority, pipe->ppl_id);
782 if (ret < 0) {
783 dev_err(ctx->dev, "Failed to create pipeline\n");
784 return ret;
785 }
786
787 pipe->state = SKL_PIPE_CREATED;
788
789 return 0;
790}
791
792/*
793 * A pipeline needs to be deleted on cleanup. If a pipeline is running, then
794 * pause the pipeline first and then delete it
795 * The pipe delete is done by sending delete pipeline IPC. DSP will stop the
796 * DMA engines and releases resources
797 */
798int skl_delete_pipe(struct skl_sst *ctx, struct skl_pipe *pipe)
799{
800 int ret;
801
802 dev_dbg(ctx->dev, "%s: pipe = %d\n", __func__, pipe->ppl_id);
803
804 /* If pipe is not started, do not try to stop the pipe in FW. */
805 if (pipe->state > SKL_PIPE_STARTED) {
806 ret = skl_set_pipe_state(ctx, pipe, PPL_PAUSED);
807 if (ret < 0) {
808 dev_err(ctx->dev, "Failed to stop pipeline\n");
809 return ret;
810 }
811
812 pipe->state = SKL_PIPE_PAUSED;
813 } else {
814 /* If pipe was not created in FW, do not try to delete it */
815 if (pipe->state < SKL_PIPE_CREATED)
816 return 0;
817
818 ret = skl_ipc_delete_pipeline(&ctx->ipc, pipe->ppl_id);
819 if (ret < 0)
820 dev_err(ctx->dev, "Failed to delete pipeline\n");
821 }
822
823 return ret;
824}
825
826/*
827 * A pipeline is also a scheduling entity in DSP which can be run, stopped
828 * For processing data the pipe need to be run by sending IPC set pipe state
829 * to DSP
830 */
831int skl_run_pipe(struct skl_sst *ctx, struct skl_pipe *pipe)
832{
833 int ret;
834
835 dev_dbg(ctx->dev, "%s: pipe = %d\n", __func__, pipe->ppl_id);
836
837 /* If pipe was not created in FW, do not try to pause or delete */
838 if (pipe->state < SKL_PIPE_CREATED)
839 return 0;
840
841 /* Pipe has to be paused before it is started */
842 ret = skl_set_pipe_state(ctx, pipe, PPL_PAUSED);
843 if (ret < 0) {
844 dev_err(ctx->dev, "Failed to pause pipe\n");
845 return ret;
846 }
847
848 pipe->state = SKL_PIPE_PAUSED;
849
850 ret = skl_set_pipe_state(ctx, pipe, PPL_RUNNING);
851 if (ret < 0) {
852 dev_err(ctx->dev, "Failed to start pipe\n");
853 return ret;
854 }
855
856 pipe->state = SKL_PIPE_STARTED;
857
858 return 0;
859}
860
861/*
862 * Stop the pipeline by sending set pipe state IPC
863 * DSP doesnt implement stop so we always send pause message
864 */
865int skl_stop_pipe(struct skl_sst *ctx, struct skl_pipe *pipe)
866{
867 int ret;
868
869 dev_dbg(ctx->dev, "In %s pipe=%d\n", __func__, pipe->ppl_id);
870
871 /* If pipe was not created in FW, do not try to pause or delete */
872 if (pipe->state < SKL_PIPE_PAUSED)
873 return 0;
874
875 ret = skl_set_pipe_state(ctx, pipe, PPL_PAUSED);
876 if (ret < 0) {
877 dev_dbg(ctx->dev, "Failed to stop pipe\n");
878 return ret;
879 }
880
881 pipe->state = SKL_PIPE_CREATED;
882
883 return 0;
884}
Linux kernel - Deliverables
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