2 * skl-topology.c - Implements Platform component ALSA controls/widget
5 * Copyright (C) 2014-2015 Intel Corp
6 * Author: Jeeja KP <jeeja.kp@intel.com>
7 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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 version 2, as
11 * published by the Free Software Foundation.
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.
19 #include <linux/slab.h>
20 #include <linux/types.h>
21 #include <linux/firmware.h>
22 #include <sound/soc.h>
23 #include <sound/soc-topology.h>
24 #include "skl-sst-dsp.h"
25 #include "skl-sst-ipc.h"
26 #include "skl-topology.h"
28 #include "skl-tplg-interface.h"
30 #define SKL_CH_FIXUP_MASK (1 << 0)
31 #define SKL_RATE_FIXUP_MASK (1 << 1)
32 #define SKL_FMT_FIXUP_MASK (1 << 2)
35 * SKL DSP driver modelling uses only few DAPM widgets so for rest we will
36 * ignore. This helpers checks if the SKL driver handles this widget type
38 static int is_skl_dsp_widget_type(struct snd_soc_dapm_widget
*w
)
41 case snd_soc_dapm_dai_link
:
42 case snd_soc_dapm_dai_in
:
43 case snd_soc_dapm_aif_in
:
44 case snd_soc_dapm_aif_out
:
45 case snd_soc_dapm_dai_out
:
46 case snd_soc_dapm_switch
:
54 * Each pipelines needs memory to be allocated. Check if we have free memory
55 * from available pool. Then only add this to pool
56 * This is freed when pipe is deleted
57 * Note: DSP does actual memory management we only keep track for complete
60 static bool skl_tplg_alloc_pipe_mem(struct skl
*skl
,
61 struct skl_module_cfg
*mconfig
)
63 struct skl_sst
*ctx
= skl
->skl_sst
;
65 if (skl
->resource
.mem
+ mconfig
->pipe
->memory_pages
>
66 skl
->resource
.max_mem
) {
68 "%s: module_id %d instance %d\n", __func__
,
69 mconfig
->id
.module_id
,
70 mconfig
->id
.instance_id
);
72 "exceeds ppl memory available %d mem %d\n",
73 skl
->resource
.max_mem
, skl
->resource
.mem
);
77 skl
->resource
.mem
+= mconfig
->pipe
->memory_pages
;
82 * Pipeline needs needs DSP CPU resources for computation, this is
83 * quantified in MCPS (Million Clocks Per Second) required for module/pipe
85 * Each pipelines needs mcps to be allocated. Check if we have mcps for this
86 * pipe. This adds the mcps to driver counter
87 * This is removed on pipeline delete
89 static bool skl_tplg_alloc_pipe_mcps(struct skl
*skl
,
90 struct skl_module_cfg
*mconfig
)
92 struct skl_sst
*ctx
= skl
->skl_sst
;
94 if (skl
->resource
.mcps
+ mconfig
->mcps
> skl
->resource
.max_mcps
) {
96 "%s: module_id %d instance %d\n", __func__
,
97 mconfig
->id
.module_id
, mconfig
->id
.instance_id
);
99 "exceeds ppl memory available %d > mem %d\n",
100 skl
->resource
.max_mcps
, skl
->resource
.mcps
);
104 skl
->resource
.mcps
+= mconfig
->mcps
;
109 * Free the mcps when tearing down
112 skl_tplg_free_pipe_mcps(struct skl
*skl
, struct skl_module_cfg
*mconfig
)
114 skl
->resource
.mcps
-= mconfig
->mcps
;
118 * Free the memory when tearing down
121 skl_tplg_free_pipe_mem(struct skl
*skl
, struct skl_module_cfg
*mconfig
)
123 skl
->resource
.mem
-= mconfig
->pipe
->memory_pages
;
127 static void skl_dump_mconfig(struct skl_sst
*ctx
,
128 struct skl_module_cfg
*mcfg
)
130 dev_dbg(ctx
->dev
, "Dumping config\n");
131 dev_dbg(ctx
->dev
, "Input Format:\n");
132 dev_dbg(ctx
->dev
, "channels = %d\n", mcfg
->in_fmt
.channels
);
133 dev_dbg(ctx
->dev
, "s_freq = %d\n", mcfg
->in_fmt
.s_freq
);
134 dev_dbg(ctx
->dev
, "ch_cfg = %d\n", mcfg
->in_fmt
.ch_cfg
);
135 dev_dbg(ctx
->dev
, "valid bit depth = %d\n",
136 mcfg
->in_fmt
.valid_bit_depth
);
137 dev_dbg(ctx
->dev
, "Output Format:\n");
138 dev_dbg(ctx
->dev
, "channels = %d\n", mcfg
->out_fmt
.channels
);
139 dev_dbg(ctx
->dev
, "s_freq = %d\n", mcfg
->out_fmt
.s_freq
);
140 dev_dbg(ctx
->dev
, "valid bit depth = %d\n",
141 mcfg
->out_fmt
.valid_bit_depth
);
142 dev_dbg(ctx
->dev
, "ch_cfg = %d\n", mcfg
->out_fmt
.ch_cfg
);
145 static void skl_tplg_update_params(struct skl_module_fmt
*fmt
,
146 struct skl_pipe_params
*params
, int fixup
)
148 if (fixup
& SKL_RATE_FIXUP_MASK
)
149 fmt
->s_freq
= params
->s_freq
;
150 if (fixup
& SKL_CH_FIXUP_MASK
)
151 fmt
->channels
= params
->ch
;
152 if (fixup
& SKL_FMT_FIXUP_MASK
)
153 fmt
->valid_bit_depth
= params
->s_fmt
;
157 * A pipeline may have modules which impact the pcm parameters, like SRC,
158 * channel converter, format converter.
159 * We need to calculate the output params by applying the 'fixup'
160 * Topology will tell driver which type of fixup is to be applied by
161 * supplying the fixup mask, so based on that we calculate the output
163 * Now In FE the pcm hw_params is source/target format. Same is applicable
164 * for BE with its hw_params invoked.
165 * here based on FE, BE pipeline and direction we calculate the input and
166 * outfix and then apply that for a module
168 static void skl_tplg_update_params_fixup(struct skl_module_cfg
*m_cfg
,
169 struct skl_pipe_params
*params
, bool is_fe
)
171 int in_fixup
, out_fixup
;
172 struct skl_module_fmt
*in_fmt
, *out_fmt
;
174 in_fmt
= &m_cfg
->in_fmt
;
175 out_fmt
= &m_cfg
->out_fmt
;
177 if (params
->stream
== SNDRV_PCM_STREAM_PLAYBACK
) {
179 in_fixup
= m_cfg
->params_fixup
;
180 out_fixup
= (~m_cfg
->converter
) &
183 out_fixup
= m_cfg
->params_fixup
;
184 in_fixup
= (~m_cfg
->converter
) &
189 out_fixup
= m_cfg
->params_fixup
;
190 in_fixup
= (~m_cfg
->converter
) &
193 in_fixup
= m_cfg
->params_fixup
;
194 out_fixup
= (~m_cfg
->converter
) &
199 skl_tplg_update_params(in_fmt
, params
, in_fixup
);
200 skl_tplg_update_params(out_fmt
, params
, out_fixup
);
204 * A module needs input and output buffers, which are dependent upon pcm
205 * params, so once we have calculate params, we need buffer calculation as
208 static void skl_tplg_update_buffer_size(struct skl_sst
*ctx
,
209 struct skl_module_cfg
*mcfg
)
213 if (mcfg
->m_type
== SKL_MODULE_TYPE_SRCINT
)
216 mcfg
->ibs
= (mcfg
->in_fmt
.s_freq
/ 1000) *
217 (mcfg
->in_fmt
.channels
) *
218 (mcfg
->in_fmt
.bit_depth
>> 3) *
221 mcfg
->obs
= (mcfg
->out_fmt
.s_freq
/ 1000) *
222 (mcfg
->out_fmt
.channels
) *
223 (mcfg
->out_fmt
.bit_depth
>> 3) *
227 static void skl_tplg_update_module_params(struct snd_soc_dapm_widget
*w
,
230 struct skl_module_cfg
*m_cfg
= w
->priv
;
231 struct skl_pipe_params
*params
= m_cfg
->pipe
->p_params
;
232 int p_conn_type
= m_cfg
->pipe
->conn_type
;
235 if (!m_cfg
->params_fixup
)
238 dev_dbg(ctx
->dev
, "Mconfig for widget=%s BEFORE updation\n",
241 skl_dump_mconfig(ctx
, m_cfg
);
243 if (p_conn_type
== SKL_PIPE_CONN_TYPE_FE
)
248 skl_tplg_update_params_fixup(m_cfg
, params
, is_fe
);
249 skl_tplg_update_buffer_size(ctx
, m_cfg
);
251 dev_dbg(ctx
->dev
, "Mconfig for widget=%s AFTER updation\n",
254 skl_dump_mconfig(ctx
, m_cfg
);
258 * A pipe can have multiple modules, each of them will be a DAPM widget as
259 * well. While managing a pipeline we need to get the list of all the
260 * widgets in a pipelines, so this helper - skl_tplg_get_pipe_widget() helps
261 * to get the SKL type widgets in that pipeline
263 static int skl_tplg_alloc_pipe_widget(struct device
*dev
,
264 struct snd_soc_dapm_widget
*w
, struct skl_pipe
*pipe
)
266 struct skl_module_cfg
*src_module
= NULL
;
267 struct snd_soc_dapm_path
*p
= NULL
;
268 struct skl_pipe_module
*p_module
= NULL
;
270 p_module
= devm_kzalloc(dev
, sizeof(*p_module
), GFP_KERNEL
);
275 list_add_tail(&p_module
->node
, &pipe
->w_list
);
277 snd_soc_dapm_widget_for_each_sink_path(w
, p
) {
278 if ((p
->sink
->priv
== NULL
)
279 && (!is_skl_dsp_widget_type(w
)))
282 if ((p
->sink
->priv
!= NULL
) && p
->connect
283 && is_skl_dsp_widget_type(p
->sink
)) {
285 src_module
= p
->sink
->priv
;
286 if (pipe
->ppl_id
== src_module
->pipe
->ppl_id
)
287 skl_tplg_alloc_pipe_widget(dev
,
295 * Inside a pipe instance, we can have various modules. These modules need
296 * to instantiated in DSP by invoking INIT_MODULE IPC, which is achieved by
297 * skl_init_module() routine, so invoke that for all modules in a pipeline
300 skl_tplg_init_pipe_modules(struct skl
*skl
, struct skl_pipe
*pipe
)
302 struct skl_pipe_module
*w_module
;
303 struct snd_soc_dapm_widget
*w
;
304 struct skl_module_cfg
*mconfig
;
305 struct skl_sst
*ctx
= skl
->skl_sst
;
308 list_for_each_entry(w_module
, &pipe
->w_list
, node
) {
312 /* check resource available */
313 if (!skl_tplg_alloc_pipe_mcps(skl
, mconfig
))
317 * apply fix/conversion to module params based on
320 skl_tplg_update_module_params(w
, ctx
);
321 ret
= skl_init_module(ctx
, mconfig
, NULL
);
330 * Mixer module represents a pipeline. So in the Pre-PMU event of mixer we
331 * need create the pipeline. So we do following:
332 * - check the resources
333 * - Create the pipeline
334 * - Initialize the modules in pipeline
335 * - finally bind all modules together
337 static int skl_tplg_mixer_dapm_pre_pmu_event(struct snd_soc_dapm_widget
*w
,
341 struct skl_module_cfg
*mconfig
= w
->priv
;
342 struct skl_pipe_module
*w_module
;
343 struct skl_pipe
*s_pipe
= mconfig
->pipe
;
344 struct skl_module_cfg
*src_module
= NULL
, *dst_module
;
345 struct skl_sst
*ctx
= skl
->skl_sst
;
347 /* check resource available */
348 if (!skl_tplg_alloc_pipe_mcps(skl
, mconfig
))
351 if (!skl_tplg_alloc_pipe_mem(skl
, mconfig
))
355 * Create a list of modules for pipe.
356 * This list contains modules from source to sink
358 ret
= skl_create_pipeline(ctx
, mconfig
->pipe
);
363 * we create a w_list of all widgets in that pipe. This list is not
364 * freed on PMD event as widgets within a pipe are static. This
365 * saves us cycles to get widgets in pipe every time.
367 * So if we have already initialized all the widgets of a pipeline
368 * we skip, so check for list_empty and create the list if empty
370 if (list_empty(&s_pipe
->w_list
)) {
371 ret
= skl_tplg_alloc_pipe_widget(ctx
->dev
, w
, s_pipe
);
376 /* Init all pipe modules from source to sink */
377 ret
= skl_tplg_init_pipe_modules(skl
, s_pipe
);
381 /* Bind modules from source to sink */
382 list_for_each_entry(w_module
, &s_pipe
->w_list
, node
) {
383 dst_module
= w_module
->w
->priv
;
385 if (src_module
== NULL
) {
386 src_module
= dst_module
;
390 ret
= skl_bind_modules(ctx
, src_module
, dst_module
);
394 src_module
= dst_module
;
401 * A PGA represents a module in a pipeline. So in the Pre-PMU event of PGA
402 * we need to do following:
403 * - Bind to sink pipeline
404 * Since the sink pipes can be running and we don't get mixer event on
405 * connect for already running mixer, we need to find the sink pipes
406 * here and bind to them. This way dynamic connect works.
407 * - Start sink pipeline, if not running
408 * - Then run current pipe
410 static int skl_tplg_pga_dapm_pre_pmu_event(struct snd_soc_dapm_widget
*w
,
413 struct snd_soc_dapm_path
*p
;
414 struct skl_dapm_path_list
*path_list
;
415 struct snd_soc_dapm_widget
*source
, *sink
;
416 struct skl_module_cfg
*src_mconfig
, *sink_mconfig
;
417 struct skl_sst
*ctx
= skl
->skl_sst
;
421 src_mconfig
= source
->priv
;
424 * find which sink it is connected to, bind with the sink,
425 * if sink is not started, start sink pipe first, then start
428 snd_soc_dapm_widget_for_each_source_path(w
, p
) {
432 dev_dbg(ctx
->dev
, "%s: src widget=%s\n", __func__
, w
->name
);
433 dev_dbg(ctx
->dev
, "%s: sink widget=%s\n", __func__
, p
->sink
->name
);
436 * here we will check widgets in sink pipelines, so that
437 * can be any widgets type and we are only interested if
438 * they are ones used for SKL so check that first
440 if ((p
->sink
->priv
!= NULL
) &&
441 is_skl_dsp_widget_type(p
->sink
)) {
444 src_mconfig
= source
->priv
;
445 sink_mconfig
= sink
->priv
;
447 /* Bind source to sink, mixin is always source */
448 ret
= skl_bind_modules(ctx
, src_mconfig
, sink_mconfig
);
452 /* Start sinks pipe first */
453 if (sink_mconfig
->pipe
->state
!= SKL_PIPE_STARTED
) {
454 ret
= skl_run_pipe(ctx
, sink_mconfig
->pipe
);
460 sizeof(struct skl_dapm_path_list
),
462 if (path_list
== NULL
)
465 /* Add connected path to one global list */
466 path_list
->dapm_path
= p
;
467 list_add_tail(&path_list
->node
, &skl
->dapm_path_list
);
472 /* Start source pipe last after starting all sinks */
473 ret
= skl_run_pipe(ctx
, src_mconfig
->pipe
);
481 * in the Post-PMU event of mixer we need to do following:
482 * - Check if this pipe is running
484 * - bind this pipeline to its source pipeline
485 * if source pipe is already running, this means it is a dynamic
486 * connection and we need to bind only to that pipe
487 * - start this pipeline
489 static int skl_tplg_mixer_dapm_post_pmu_event(struct snd_soc_dapm_widget
*w
,
493 struct snd_soc_dapm_path
*p
;
494 struct snd_soc_dapm_widget
*source
, *sink
;
495 struct skl_module_cfg
*src_mconfig
, *sink_mconfig
;
496 struct skl_sst
*ctx
= skl
->skl_sst
;
497 int src_pipe_started
= 0;
500 sink_mconfig
= sink
->priv
;
503 * If source pipe is already started, that means source is driving
504 * one more sink before this sink got connected, Since source is
505 * started, bind this sink to source and start this pipe.
507 snd_soc_dapm_widget_for_each_sink_path(w
, p
) {
511 dev_dbg(ctx
->dev
, "sink widget=%s\n", w
->name
);
512 dev_dbg(ctx
->dev
, "src widget=%s\n", p
->source
->name
);
515 * here we will check widgets in sink pipelines, so that
516 * can be any widgets type and we are only interested if
517 * they are ones used for SKL so check that first
519 if ((p
->source
->priv
!= NULL
) &&
520 is_skl_dsp_widget_type(p
->source
)) {
522 src_mconfig
= source
->priv
;
523 sink_mconfig
= sink
->priv
;
524 src_pipe_started
= 1;
527 * check pipe state, then no need to bind or start
530 if (src_mconfig
->pipe
->state
!= SKL_PIPE_STARTED
)
531 src_pipe_started
= 0;
535 if (src_pipe_started
) {
536 ret
= skl_bind_modules(ctx
, src_mconfig
, sink_mconfig
);
540 ret
= skl_run_pipe(ctx
, sink_mconfig
->pipe
);
547 * in the Pre-PMD event of mixer we need to do following:
549 * - find the source connections and remove that from dapm_path_list
550 * - unbind with source pipelines if still connected
552 static int skl_tplg_mixer_dapm_pre_pmd_event(struct snd_soc_dapm_widget
*w
,
555 struct snd_soc_dapm_widget
*source
, *sink
;
556 struct skl_module_cfg
*src_mconfig
, *sink_mconfig
;
557 int ret
= 0, path_found
= 0;
558 struct skl_dapm_path_list
*path_list
, *tmp_list
;
559 struct skl_sst
*ctx
= skl
->skl_sst
;
562 sink_mconfig
= sink
->priv
;
565 ret
= skl_stop_pipe(ctx
, sink_mconfig
->pipe
);
570 * This list, dapm_path_list handling here does not need any locks
571 * as we are under dapm lock while handling widget events.
572 * List can be manipulated safely only under dapm widgets handler
575 list_for_each_entry_safe(path_list
, tmp_list
,
576 &skl
->dapm_path_list
, node
) {
577 if (path_list
->dapm_path
->sink
== sink
) {
578 dev_dbg(ctx
->dev
, "Path found = %s\n",
579 path_list
->dapm_path
->name
);
580 source
= path_list
->dapm_path
->source
;
581 src_mconfig
= source
->priv
;
584 list_del(&path_list
->node
);
591 * If path_found == 1, that means pmd for source pipe has
592 * not occurred, source is connected to some other sink.
593 * so its responsibility of sink to unbind itself from source.
596 ret
= skl_stop_pipe(ctx
, src_mconfig
->pipe
);
600 ret
= skl_unbind_modules(ctx
, src_mconfig
, sink_mconfig
);
607 * in the Post-PMD event of mixer we need to do following:
608 * - Free the mcps used
609 * - Free the mem used
610 * - Unbind the modules within the pipeline
611 * - Delete the pipeline (modules are not required to be explicitly
612 * deleted, pipeline delete is enough here
614 static int skl_tplg_mixer_dapm_post_pmd_event(struct snd_soc_dapm_widget
*w
,
617 struct skl_module_cfg
*mconfig
= w
->priv
;
618 struct skl_pipe_module
*w_module
;
619 struct skl_module_cfg
*src_module
= NULL
, *dst_module
;
620 struct skl_sst
*ctx
= skl
->skl_sst
;
621 struct skl_pipe
*s_pipe
= mconfig
->pipe
;
624 skl_tplg_free_pipe_mcps(skl
, mconfig
);
626 list_for_each_entry(w_module
, &s_pipe
->w_list
, node
) {
627 dst_module
= w_module
->w
->priv
;
629 if (src_module
== NULL
) {
630 src_module
= dst_module
;
634 ret
= skl_unbind_modules(ctx
, src_module
, dst_module
);
638 src_module
= dst_module
;
641 ret
= skl_delete_pipe(ctx
, mconfig
->pipe
);
642 skl_tplg_free_pipe_mem(skl
, mconfig
);
648 * in the Post-PMD event of PGA we need to do following:
649 * - Free the mcps used
650 * - Stop the pipeline
651 * - In source pipe is connected, unbind with source pipelines
653 static int skl_tplg_pga_dapm_post_pmd_event(struct snd_soc_dapm_widget
*w
,
656 struct snd_soc_dapm_widget
*source
, *sink
;
657 struct skl_module_cfg
*src_mconfig
, *sink_mconfig
;
658 int ret
= 0, path_found
= 0;
659 struct skl_dapm_path_list
*path_list
, *tmp_path_list
;
660 struct skl_sst
*ctx
= skl
->skl_sst
;
663 src_mconfig
= source
->priv
;
665 skl_tplg_free_pipe_mcps(skl
, src_mconfig
);
666 /* Stop the pipe since this is a mixin module */
667 ret
= skl_stop_pipe(ctx
, src_mconfig
->pipe
);
671 list_for_each_entry_safe(path_list
, tmp_path_list
, &skl
->dapm_path_list
, node
) {
672 if (path_list
->dapm_path
->source
== source
) {
673 dev_dbg(ctx
->dev
, "Path found = %s\n",
674 path_list
->dapm_path
->name
);
675 sink
= path_list
->dapm_path
->sink
;
676 sink_mconfig
= sink
->priv
;
679 list_del(&path_list
->node
);
686 * This is a connector and if path is found that means
687 * unbind between source and sink has not happened yet
690 ret
= skl_stop_pipe(ctx
, src_mconfig
->pipe
);
694 ret
= skl_unbind_modules(ctx
, src_mconfig
, sink_mconfig
);
701 * In modelling, we assume there will be ONLY one mixer in a pipeline. If
702 * mixer is not required then it is treated as static mixer aka vmixer with
703 * a hard path to source module
704 * So we don't need to check if source is started or not as hard path puts
705 * dependency on each other
707 static int skl_tplg_vmixer_event(struct snd_soc_dapm_widget
*w
,
708 struct snd_kcontrol
*k
, int event
)
710 struct snd_soc_dapm_context
*dapm
= w
->dapm
;
711 struct skl
*skl
= get_skl_ctx(dapm
->dev
);
714 case SND_SOC_DAPM_PRE_PMU
:
715 return skl_tplg_mixer_dapm_pre_pmu_event(w
, skl
);
717 case SND_SOC_DAPM_POST_PMD
:
718 return skl_tplg_mixer_dapm_post_pmd_event(w
, skl
);
725 * In modelling, we assume there will be ONLY one mixer in a pipeline. If a
726 * second one is required that is created as another pipe entity.
727 * The mixer is responsible for pipe management and represent a pipeline
730 static int skl_tplg_mixer_event(struct snd_soc_dapm_widget
*w
,
731 struct snd_kcontrol
*k
, int event
)
733 struct snd_soc_dapm_context
*dapm
= w
->dapm
;
734 struct skl
*skl
= get_skl_ctx(dapm
->dev
);
737 case SND_SOC_DAPM_PRE_PMU
:
738 return skl_tplg_mixer_dapm_pre_pmu_event(w
, skl
);
740 case SND_SOC_DAPM_POST_PMU
:
741 return skl_tplg_mixer_dapm_post_pmu_event(w
, skl
);
743 case SND_SOC_DAPM_PRE_PMD
:
744 return skl_tplg_mixer_dapm_pre_pmd_event(w
, skl
);
746 case SND_SOC_DAPM_POST_PMD
:
747 return skl_tplg_mixer_dapm_post_pmd_event(w
, skl
);
754 * In modelling, we assumed rest of the modules in pipeline are PGA. But we
755 * are interested in last PGA (leaf PGA) in a pipeline to disconnect with
756 * the sink when it is running (two FE to one BE or one FE to two BE)
759 static int skl_tplg_pga_event(struct snd_soc_dapm_widget
*w
,
760 struct snd_kcontrol
*k
, int event
)
763 struct snd_soc_dapm_context
*dapm
= w
->dapm
;
764 struct skl
*skl
= get_skl_ctx(dapm
->dev
);
767 case SND_SOC_DAPM_PRE_PMU
:
768 return skl_tplg_pga_dapm_pre_pmu_event(w
, skl
);
770 case SND_SOC_DAPM_POST_PMD
:
771 return skl_tplg_pga_dapm_post_pmd_event(w
, skl
);
778 * The FE params are passed by hw_params of the DAI.
779 * On hw_params, the params are stored in Gateway module of the FE and we
780 * need to calculate the format in DSP module configuration, that
781 * conversion is done here
783 int skl_tplg_update_pipe_params(struct device
*dev
,
784 struct skl_module_cfg
*mconfig
,
785 struct skl_pipe_params
*params
)
787 struct skl_pipe
*pipe
= mconfig
->pipe
;
788 struct skl_module_fmt
*format
= NULL
;
790 memcpy(pipe
->p_params
, params
, sizeof(*params
));
792 if (params
->stream
== SNDRV_PCM_STREAM_PLAYBACK
)
793 format
= &mconfig
->in_fmt
;
795 format
= &mconfig
->out_fmt
;
797 /* set the hw_params */
798 format
->s_freq
= params
->s_freq
;
799 format
->channels
= params
->ch
;
800 format
->valid_bit_depth
= skl_get_bit_depth(params
->s_fmt
);
803 * 16 bit is 16 bit container whereas 24 bit is in 32 bit
804 * container so update bit depth accordingly
806 switch (format
->valid_bit_depth
) {
807 case SKL_DEPTH_16BIT
:
808 format
->bit_depth
= format
->valid_bit_depth
;
811 case SKL_DEPTH_24BIT
:
812 format
->bit_depth
= SKL_DEPTH_32BIT
;
816 dev_err(dev
, "Invalid bit depth %x for pipe\n",
817 format
->valid_bit_depth
);
821 if (params
->stream
== SNDRV_PCM_STREAM_PLAYBACK
) {
822 mconfig
->ibs
= (format
->s_freq
/ 1000) *
824 (format
->bit_depth
>> 3);
826 mconfig
->obs
= (format
->s_freq
/ 1000) *
828 (format
->bit_depth
>> 3);
835 * Query the module config for the FE DAI
836 * This is used to find the hw_params set for that DAI and apply to FE
839 struct skl_module_cfg
*
840 skl_tplg_fe_get_cpr_module(struct snd_soc_dai
*dai
, int stream
)
842 struct snd_soc_dapm_widget
*w
;
843 struct snd_soc_dapm_path
*p
= NULL
;
845 if (stream
== SNDRV_PCM_STREAM_PLAYBACK
) {
846 w
= dai
->playback_widget
;
847 snd_soc_dapm_widget_for_each_sink_path(w
, p
) {
848 if (p
->connect
&& p
->sink
->power
&&
849 is_skl_dsp_widget_type(p
->sink
))
853 dev_dbg(dai
->dev
, "set params for %s\n",
855 return p
->sink
->priv
;
859 w
= dai
->capture_widget
;
860 snd_soc_dapm_widget_for_each_source_path(w
, p
) {
861 if (p
->connect
&& p
->source
->power
&&
862 is_skl_dsp_widget_type(p
->source
))
865 if (p
->source
->priv
) {
866 dev_dbg(dai
->dev
, "set params for %s\n",
868 return p
->source
->priv
;
876 static u8
skl_tplg_be_link_type(int dev_type
)
885 case SKL_DEVICE_DMIC
:
886 ret
= NHLT_LINK_DMIC
;
893 case SKL_DEVICE_HDALINK
:
898 ret
= NHLT_LINK_INVALID
;
906 * Fill the BE gateway parameters
907 * The BE gateway expects a blob of parameters which are kept in the ACPI
908 * NHLT blob, so query the blob for interface type (i2s/pdm) and instance.
909 * The port can have multiple settings so pick based on the PCM
912 static int skl_tplg_be_fill_pipe_params(struct snd_soc_dai
*dai
,
913 struct skl_module_cfg
*mconfig
,
914 struct skl_pipe_params
*params
)
916 struct skl_pipe
*pipe
= mconfig
->pipe
;
917 struct nhlt_specific_cfg
*cfg
;
918 struct skl
*skl
= get_skl_ctx(dai
->dev
);
919 int link_type
= skl_tplg_be_link_type(mconfig
->dev_type
);
921 memcpy(pipe
->p_params
, params
, sizeof(*params
));
923 /* update the blob based on virtual bus_id*/
924 cfg
= skl_get_ep_blob(skl
, mconfig
->vbus_id
, link_type
,
925 params
->s_fmt
, params
->ch
,
926 params
->s_freq
, params
->stream
);
928 mconfig
->formats_config
.caps_size
= cfg
->size
;
929 mconfig
->formats_config
.caps
= (u32
*) &cfg
->caps
;
931 dev_err(dai
->dev
, "Blob NULL for id %x type %d dirn %d\n",
932 mconfig
->vbus_id
, link_type
,
934 dev_err(dai
->dev
, "PCM: ch %d, freq %d, fmt %d\n",
935 params
->ch
, params
->s_freq
, params
->s_fmt
);
942 static int skl_tplg_be_set_src_pipe_params(struct snd_soc_dai
*dai
,
943 struct snd_soc_dapm_widget
*w
,
944 struct skl_pipe_params
*params
)
946 struct snd_soc_dapm_path
*p
;
949 snd_soc_dapm_widget_for_each_source_path(w
, p
) {
950 if (p
->connect
&& is_skl_dsp_widget_type(p
->source
) &&
953 if (!p
->source
->power
) {
954 ret
= skl_tplg_be_fill_pipe_params(
955 dai
, p
->source
->priv
,
963 ret
= skl_tplg_be_set_src_pipe_params(
964 dai
, p
->source
, params
);
973 static int skl_tplg_be_set_sink_pipe_params(struct snd_soc_dai
*dai
,
974 struct snd_soc_dapm_widget
*w
, struct skl_pipe_params
*params
)
976 struct snd_soc_dapm_path
*p
= NULL
;
979 snd_soc_dapm_widget_for_each_sink_path(w
, p
) {
980 if (p
->connect
&& is_skl_dsp_widget_type(p
->sink
) &&
983 if (!p
->sink
->power
) {
984 ret
= skl_tplg_be_fill_pipe_params(
985 dai
, p
->sink
->priv
, params
);
993 ret
= skl_tplg_be_set_sink_pipe_params(
994 dai
, p
->sink
, params
);
1004 * BE hw_params can be a source parameters (capture) or sink parameters
1005 * (playback). Based on sink and source we need to either find the source
1006 * list or the sink list and set the pipeline parameters
1008 int skl_tplg_be_update_params(struct snd_soc_dai
*dai
,
1009 struct skl_pipe_params
*params
)
1011 struct snd_soc_dapm_widget
*w
;
1013 if (params
->stream
== SNDRV_PCM_STREAM_PLAYBACK
) {
1014 w
= dai
->playback_widget
;
1016 return skl_tplg_be_set_src_pipe_params(dai
, w
, params
);
1019 w
= dai
->capture_widget
;
1021 return skl_tplg_be_set_sink_pipe_params(dai
, w
, params
);
1027 static const struct snd_soc_tplg_widget_events skl_tplg_widget_ops
[] = {
1028 {SKL_MIXER_EVENT
, skl_tplg_mixer_event
},
1029 {SKL_VMIXER_EVENT
, skl_tplg_vmixer_event
},
1030 {SKL_PGA_EVENT
, skl_tplg_pga_event
},
1034 * The topology binary passes the pin info for a module so initialize the pin
1035 * info passed into module instance
1037 static void skl_fill_module_pin_info(struct skl_dfw_module_pin
*dfw_pin
,
1038 struct skl_module_pin
*m_pin
,
1039 bool is_dynamic
, int max_pin
)
1043 for (i
= 0; i
< max_pin
; i
++) {
1044 m_pin
[i
].id
.module_id
= dfw_pin
[i
].module_id
;
1045 m_pin
[i
].id
.instance_id
= dfw_pin
[i
].instance_id
;
1046 m_pin
[i
].in_use
= false;
1047 m_pin
[i
].is_dynamic
= is_dynamic
;
1052 * Add pipeline from topology binary into driver pipeline list
1054 * If already added we return that instance
1055 * Otherwise we create a new instance and add into driver list
1057 static struct skl_pipe
*skl_tplg_add_pipe(struct device
*dev
,
1058 struct skl
*skl
, struct skl_dfw_pipe
*dfw_pipe
)
1060 struct skl_pipeline
*ppl
;
1061 struct skl_pipe
*pipe
;
1062 struct skl_pipe_params
*params
;
1064 list_for_each_entry(ppl
, &skl
->ppl_list
, node
) {
1065 if (ppl
->pipe
->ppl_id
== dfw_pipe
->pipe_id
)
1069 ppl
= devm_kzalloc(dev
, sizeof(*ppl
), GFP_KERNEL
);
1073 pipe
= devm_kzalloc(dev
, sizeof(*pipe
), GFP_KERNEL
);
1077 params
= devm_kzalloc(dev
, sizeof(*params
), GFP_KERNEL
);
1081 pipe
->ppl_id
= dfw_pipe
->pipe_id
;
1082 pipe
->memory_pages
= dfw_pipe
->memory_pages
;
1083 pipe
->pipe_priority
= dfw_pipe
->pipe_priority
;
1084 pipe
->conn_type
= dfw_pipe
->conn_type
;
1085 pipe
->state
= SKL_PIPE_INVALID
;
1086 pipe
->p_params
= params
;
1087 INIT_LIST_HEAD(&pipe
->w_list
);
1090 list_add(&ppl
->node
, &skl
->ppl_list
);
1096 * Topology core widget load callback
1098 * This is used to save the private data for each widget which gives
1099 * information to the driver about module and pipeline parameters which DSP
1100 * FW expects like ids, resource values, formats etc
1102 static int skl_tplg_widget_load(struct snd_soc_component
*cmpnt
,
1103 struct snd_soc_dapm_widget
*w
,
1104 struct snd_soc_tplg_dapm_widget
*tplg_w
)
1107 struct hdac_ext_bus
*ebus
= snd_soc_component_get_drvdata(cmpnt
);
1108 struct skl
*skl
= ebus_to_skl(ebus
);
1109 struct hdac_bus
*bus
= ebus_to_hbus(ebus
);
1110 struct skl_module_cfg
*mconfig
;
1111 struct skl_pipe
*pipe
;
1112 struct skl_dfw_module
*dfw_config
=
1113 (struct skl_dfw_module
*)tplg_w
->priv
.data
;
1115 if (!tplg_w
->priv
.size
)
1118 mconfig
= devm_kzalloc(bus
->dev
, sizeof(*mconfig
), GFP_KERNEL
);
1124 mconfig
->id
.module_id
= dfw_config
->module_id
;
1125 mconfig
->id
.instance_id
= dfw_config
->instance_id
;
1126 mconfig
->mcps
= dfw_config
->max_mcps
;
1127 mconfig
->ibs
= dfw_config
->ibs
;
1128 mconfig
->obs
= dfw_config
->obs
;
1129 mconfig
->core_id
= dfw_config
->core_id
;
1130 mconfig
->max_in_queue
= dfw_config
->max_in_queue
;
1131 mconfig
->max_out_queue
= dfw_config
->max_out_queue
;
1132 mconfig
->is_loadable
= dfw_config
->is_loadable
;
1133 mconfig
->in_fmt
.channels
= dfw_config
->in_fmt
.channels
;
1134 mconfig
->in_fmt
.s_freq
= dfw_config
->in_fmt
.freq
;
1135 mconfig
->in_fmt
.bit_depth
= dfw_config
->in_fmt
.bit_depth
;
1136 mconfig
->in_fmt
.valid_bit_depth
=
1137 dfw_config
->in_fmt
.valid_bit_depth
;
1138 mconfig
->in_fmt
.ch_cfg
= dfw_config
->in_fmt
.ch_cfg
;
1139 mconfig
->out_fmt
.channels
= dfw_config
->out_fmt
.channels
;
1140 mconfig
->out_fmt
.s_freq
= dfw_config
->out_fmt
.freq
;
1141 mconfig
->out_fmt
.bit_depth
= dfw_config
->out_fmt
.bit_depth
;
1142 mconfig
->out_fmt
.valid_bit_depth
=
1143 dfw_config
->out_fmt
.valid_bit_depth
;
1144 mconfig
->out_fmt
.ch_cfg
= dfw_config
->out_fmt
.ch_cfg
;
1145 mconfig
->params_fixup
= dfw_config
->params_fixup
;
1146 mconfig
->converter
= dfw_config
->converter
;
1147 mconfig
->m_type
= dfw_config
->module_type
;
1148 mconfig
->vbus_id
= dfw_config
->vbus_id
;
1150 pipe
= skl_tplg_add_pipe(bus
->dev
, skl
, &dfw_config
->pipe
);
1152 mconfig
->pipe
= pipe
;
1154 mconfig
->dev_type
= dfw_config
->dev_type
;
1155 mconfig
->hw_conn_type
= dfw_config
->hw_conn_type
;
1156 mconfig
->time_slot
= dfw_config
->time_slot
;
1157 mconfig
->formats_config
.caps_size
= dfw_config
->caps
.caps_size
;
1159 mconfig
->m_in_pin
= devm_kzalloc(bus
->dev
,
1160 (mconfig
->max_in_queue
) *
1161 sizeof(*mconfig
->m_in_pin
),
1163 if (!mconfig
->m_in_pin
)
1166 mconfig
->m_out_pin
= devm_kzalloc(bus
->dev
, (mconfig
->max_out_queue
) *
1167 sizeof(*mconfig
->m_out_pin
),
1169 if (!mconfig
->m_out_pin
)
1172 skl_fill_module_pin_info(dfw_config
->in_pin
, mconfig
->m_in_pin
,
1173 dfw_config
->is_dynamic_in_pin
,
1174 mconfig
->max_in_queue
);
1176 skl_fill_module_pin_info(dfw_config
->out_pin
, mconfig
->m_out_pin
,
1177 dfw_config
->is_dynamic_out_pin
,
1178 mconfig
->max_out_queue
);
1181 if (mconfig
->formats_config
.caps_size
== 0)
1184 mconfig
->formats_config
.caps
= (u32
*)devm_kzalloc(bus
->dev
,
1185 mconfig
->formats_config
.caps_size
, GFP_KERNEL
);
1187 if (mconfig
->formats_config
.caps
== NULL
)
1190 memcpy(mconfig
->formats_config
.caps
, dfw_config
->caps
.caps
,
1191 dfw_config
->caps
.caps_size
);
1194 if (tplg_w
->event_type
== 0) {
1195 dev_dbg(bus
->dev
, "ASoC: No event handler required\n");
1199 ret
= snd_soc_tplg_widget_bind_event(w
, skl_tplg_widget_ops
,
1200 ARRAY_SIZE(skl_tplg_widget_ops
),
1201 tplg_w
->event_type
);
1204 dev_err(bus
->dev
, "%s: No matching event handlers found for %d\n",
1205 __func__
, tplg_w
->event_type
);
1212 static struct snd_soc_tplg_ops skl_tplg_ops
= {
1213 .widget_load
= skl_tplg_widget_load
,
1216 /* This will be read from topology manifest, currently defined here */
1217 #define SKL_MAX_MCPS 30000000
1218 #define SKL_FW_MAX_MEM 1000000
1221 * SKL topology init routine
1223 int skl_tplg_init(struct snd_soc_platform
*platform
, struct hdac_ext_bus
*ebus
)
1226 const struct firmware
*fw
;
1227 struct hdac_bus
*bus
= ebus_to_hbus(ebus
);
1228 struct skl
*skl
= ebus_to_skl(ebus
);
1230 ret
= request_firmware(&fw
, "dfw_sst.bin", bus
->dev
);
1232 dev_err(bus
->dev
, "tplg fw %s load failed with %d\n",
1233 "dfw_sst.bin", ret
);
1238 * The complete tplg for SKL is loaded as index 0, we don't use
1241 ret
= snd_soc_tplg_component_load(&platform
->component
,
1242 &skl_tplg_ops
, fw
, 0);
1244 dev_err(bus
->dev
, "tplg component load failed%d\n", ret
);
1248 skl
->resource
.max_mcps
= SKL_MAX_MCPS
;
1249 skl
->resource
.max_mem
= SKL_FW_MAX_MEM
;