1 /* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */
3 * This file is provided under a dual BSD/GPLv2 license. When using or
4 * redistributing this file, you may do so under either license.
6 * Copyright(c) 2019 Intel Corporation. All rights reserved.
8 * Author: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
11 #ifndef __SOUND_SOC_SOF_AUDIO_H
12 #define __SOUND_SOC_SOF_AUDIO_H
14 #include <linux/workqueue.h>
16 #include <sound/soc.h>
17 #include <sound/control.h>
18 #include <sound/sof/stream.h> /* needs to be included before control.h */
19 #include <sound/sof/control.h>
20 #include <sound/sof/dai.h>
21 #include <sound/sof/topology.h>
24 #define SOF_AUDIO_PCM_DRV_NAME "sof-audio-component"
27 * The ipc4 firmware only supports up to 8 sink or source pins
28 * per widget, because only 3 bits are used for queue(pin) ID
31 #define SOF_WIDGET_MAX_NUM_PINS 8
34 #define SOF_PIN_TYPE_INPUT 0
35 #define SOF_PIN_TYPE_OUTPUT 1
37 /* max number of FE PCMs before BEs */
38 #define SOF_BE_PCM_BASE 16
40 #define DMA_CHAN_INVALID 0xFFFFFFFF
42 #define WIDGET_IS_DAI(id) ((id) == snd_soc_dapm_dai_in || (id) == snd_soc_dapm_dai_out)
43 #define WIDGET_IS_AIF(id) ((id) == snd_soc_dapm_aif_in || (id) == snd_soc_dapm_aif_out)
44 #define WIDGET_IS_AIF_OR_DAI(id) (WIDGET_IS_DAI(id) || WIDGET_IS_AIF(id))
45 #define WIDGET_IS_COPIER(id) (WIDGET_IS_AIF_OR_DAI(id) || (id) == snd_soc_dapm_buffer)
47 #define SOF_DAI_CLK_INTEL_SSP_MCLK 0
48 #define SOF_DAI_CLK_INTEL_SSP_BCLK 1
58 * Volume fractional word length define to 16 sets
59 * the volume linear gain value to use Qx.16 format
63 #define SOF_TLV_ITEMS 3
65 static inline u32 mixer_to_ipc(unsigned int value, u32 *volume_map, int size)
68 return volume_map[size - 1];
70 return volume_map[value];
73 static inline u32 ipc_to_mixer(u32 value, u32 *volume_map, int size)
77 for (i = 0; i < size; i++) {
78 if (volume_map[i] >= value)
85 struct snd_sof_widget;
87 struct snd_sof_control;
91 struct snd_sof_dai_config_data {
93 int dai_data; /* contains DAI-specific information */
97 * struct sof_ipc_pcm_ops - IPC-specific PCM ops
98 * @hw_params: Function pointer for hw_params
99 * @hw_free: Function pointer for hw_free
100 * @trigger: Function pointer for trigger
101 * @dai_link_fixup: Function pointer for DAI link fixup
102 * @pcm_setup: Function pointer for IPC-specific PCM set up that can be used for allocating
103 * additional memory in the SOF PCM stream structure
104 * @pcm_free: Function pointer for PCM free that can be used for freeing any
105 * additional memory in the SOF PCM stream structure
106 * @pointer: Function pointer for pcm pointer
107 * Note: the @pointer callback may return -EOPNOTSUPP which should be
108 * handled in a same way as if the callback is not provided
109 * @delay: Function pointer for pcm delay reporting
110 * @reset_hw_params_during_stop: Flag indicating whether the hw_params should be reset during the
112 * @ipc_first_on_start: Send IPC before invoking platform trigger during
113 * START/PAUSE_RELEASE triggers
114 * @platform_stop_during_hw_free: Invoke the platform trigger during hw_free. This is needed for
115 * IPC4 where a pipeline is only paused during stop/pause/suspend
116 * triggers. The FW keeps the host DMA running in this case and
117 * therefore the host must do the same and should stop the DMA during
120 struct sof_ipc_pcm_ops {
121 int (*hw_params)(struct snd_soc_component *component, struct snd_pcm_substream *substream,
122 struct snd_pcm_hw_params *params,
123 struct snd_sof_platform_stream_params *platform_params);
124 int (*hw_free)(struct snd_soc_component *component, struct snd_pcm_substream *substream);
125 int (*trigger)(struct snd_soc_component *component, struct snd_pcm_substream *substream,
127 int (*dai_link_fixup)(struct snd_soc_pcm_runtime *rtd, struct snd_pcm_hw_params *params);
128 int (*pcm_setup)(struct snd_sof_dev *sdev, struct snd_sof_pcm *spcm);
129 void (*pcm_free)(struct snd_sof_dev *sdev, struct snd_sof_pcm *spcm);
130 int (*pointer)(struct snd_soc_component *component,
131 struct snd_pcm_substream *substream,
132 snd_pcm_uframes_t *pointer);
133 snd_pcm_sframes_t (*delay)(struct snd_soc_component *component,
134 struct snd_pcm_substream *substream);
135 bool reset_hw_params_during_stop;
136 bool ipc_first_on_start;
137 bool platform_stop_during_hw_free;
141 * struct sof_ipc_tplg_control_ops - IPC-specific ops for topology kcontrol IO
143 struct sof_ipc_tplg_control_ops {
144 bool (*volume_put)(struct snd_sof_control *scontrol, struct snd_ctl_elem_value *ucontrol);
145 int (*volume_get)(struct snd_sof_control *scontrol, struct snd_ctl_elem_value *ucontrol);
146 bool (*switch_put)(struct snd_sof_control *scontrol, struct snd_ctl_elem_value *ucontrol);
147 int (*switch_get)(struct snd_sof_control *scontrol, struct snd_ctl_elem_value *ucontrol);
148 bool (*enum_put)(struct snd_sof_control *scontrol, struct snd_ctl_elem_value *ucontrol);
149 int (*enum_get)(struct snd_sof_control *scontrol, struct snd_ctl_elem_value *ucontrol);
150 int (*bytes_put)(struct snd_sof_control *scontrol, struct snd_ctl_elem_value *ucontrol);
151 int (*bytes_get)(struct snd_sof_control *scontrol, struct snd_ctl_elem_value *ucontrol);
152 int (*bytes_ext_get)(struct snd_sof_control *scontrol,
153 const unsigned int __user *binary_data, unsigned int size);
154 int (*bytes_ext_volatile_get)(struct snd_sof_control *scontrol,
155 const unsigned int __user *binary_data, unsigned int size);
156 int (*bytes_ext_put)(struct snd_sof_control *scontrol,
157 const unsigned int __user *binary_data, unsigned int size);
158 /* update control data based on notification from the DSP */
159 void (*update)(struct snd_sof_dev *sdev, void *ipc_control_message);
160 /* Optional callback to setup kcontrols associated with an swidget */
161 int (*widget_kcontrol_setup)(struct snd_sof_dev *sdev, struct snd_sof_widget *swidget);
162 /* mandatory callback to set up volume table for volume kcontrols */
163 int (*set_up_volume_table)(struct snd_sof_control *scontrol, int tlv[SOF_TLV_ITEMS],
168 * struct sof_ipc_tplg_widget_ops - IPC-specific ops for topology widgets
169 * @ipc_setup: Function pointer for setting up widget IPC params
170 * @ipc_free: Function pointer for freeing widget IPC params
171 * @token_list: List of token ID's that should be parsed for the widget
172 * @token_list_size: number of elements in token_list
173 * @bind_event: Function pointer for binding events to the widget
174 * @ipc_prepare: Optional op for preparing a widget for set up
175 * @ipc_unprepare: Optional op for unpreparing a widget
177 struct sof_ipc_tplg_widget_ops {
178 int (*ipc_setup)(struct snd_sof_widget *swidget);
179 void (*ipc_free)(struct snd_sof_widget *swidget);
180 enum sof_tokens *token_list;
182 int (*bind_event)(struct snd_soc_component *scomp, struct snd_sof_widget *swidget,
184 int (*ipc_prepare)(struct snd_sof_widget *swidget,
185 struct snd_pcm_hw_params *fe_params,
186 struct snd_sof_platform_stream_params *platform_params,
187 struct snd_pcm_hw_params *source_params, int dir);
188 void (*ipc_unprepare)(struct snd_sof_widget *swidget);
192 * struct sof_ipc_tplg_ops - IPC-specific topology ops
193 * @widget: Array of pointers to IPC-specific ops for widgets. This should always be of size
194 * SND_SOF_DAPM_TYPE_COUNT i.e one per widget type. Unsupported widget types will be
196 * @control: Pointer to the IPC-specific ops for topology kcontrol IO
197 * @route_setup: Function pointer for setting up pipeline connections
198 * @route_free: Function pointer for freeing pipeline connections.
199 * @token_list: List of all tokens supported by the IPC version. The size of the token_list
200 * array should be SOF_TOKEN_COUNT. The unused elements in the array will be
202 * @control_setup: Function pointer for setting up kcontrol IPC-specific data
203 * @control_free: Function pointer for freeing kcontrol IPC-specific data
204 * @pipeline_complete: Function pointer for pipeline complete IPC
205 * @widget_setup: Function pointer for setting up setup in the DSP
206 * @widget_free: Function pointer for freeing widget in the DSP
207 * @dai_config: Function pointer for sending DAI config IPC to the DSP
208 * @dai_get_clk: Function pointer for getting the DAI clock setting
209 * @set_up_all_pipelines: Function pointer for setting up all topology pipelines
210 * @tear_down_all_pipelines: Function pointer for tearing down all topology pipelines
211 * @parse_manifest: Function pointer for ipc4 specific parsing of topology manifest
212 * @link_setup: Function pointer for IPC-specific DAI link set up
214 * Note: function pointers (ops) are optional
216 struct sof_ipc_tplg_ops {
217 const struct sof_ipc_tplg_widget_ops *widget;
218 const struct sof_ipc_tplg_control_ops *control;
219 int (*route_setup)(struct snd_sof_dev *sdev, struct snd_sof_route *sroute);
220 int (*route_free)(struct snd_sof_dev *sdev, struct snd_sof_route *sroute);
221 const struct sof_token_info *token_list;
222 int (*control_setup)(struct snd_sof_dev *sdev, struct snd_sof_control *scontrol);
223 int (*control_free)(struct snd_sof_dev *sdev, struct snd_sof_control *scontrol);
224 int (*pipeline_complete)(struct snd_sof_dev *sdev, struct snd_sof_widget *swidget);
225 int (*widget_setup)(struct snd_sof_dev *sdev, struct snd_sof_widget *swidget);
226 int (*widget_free)(struct snd_sof_dev *sdev, struct snd_sof_widget *swidget);
227 int (*dai_config)(struct snd_sof_dev *sdev, struct snd_sof_widget *swidget,
228 unsigned int flags, struct snd_sof_dai_config_data *data);
229 int (*dai_get_clk)(struct snd_sof_dev *sdev, struct snd_sof_dai *dai, int clk_type);
230 int (*set_up_all_pipelines)(struct snd_sof_dev *sdev, bool verify);
231 int (*tear_down_all_pipelines)(struct snd_sof_dev *sdev, bool verify);
232 int (*parse_manifest)(struct snd_soc_component *scomp, int index,
233 struct snd_soc_tplg_manifest *man);
234 int (*link_setup)(struct snd_sof_dev *sdev, struct snd_soc_dai_link *link);
237 /** struct snd_sof_tuple - Tuple info
239 * @value: union of a string or a u32 values
241 struct snd_sof_tuple {
250 * List of SOF token ID's. The order of ID's does not matter as token arrays are looked up based on
275 SOF_IN_AUDIO_FORMAT_TOKENS,
276 SOF_OUT_AUDIO_FORMAT_TOKENS,
277 SOF_COPIER_DEEP_BUFFER_TOKENS,
279 SOF_AUDIO_FMT_NUM_TOKENS,
280 SOF_COPIER_FORMAT_TOKENS,
287 /* this should be the last */
292 * struct sof_topology_token - SOF topology token definition
293 * @token: Token number
295 * @get_token: Function pointer to parse the token value and save it in a object
296 * @offset: Offset within an object to save the token value into
298 struct sof_topology_token {
301 int (*get_token)(void *elem, void *object, u32 offset);
305 struct sof_token_info {
307 const struct sof_topology_token *tokens;
312 * struct snd_sof_pcm_stream_pipeline_list - List of pipelines associated with a PCM stream
313 * @count: number of pipeline widgets in the @pipe_widgets array
314 * @pipelines: array of pipelines
316 struct snd_sof_pcm_stream_pipeline_list {
318 struct snd_sof_pipeline **pipelines;
321 /* PCM stream, mapped to FW component */
322 struct snd_sof_pcm_stream {
324 struct snd_dma_buffer page_table;
325 struct sof_ipc_stream_posn posn;
326 struct snd_pcm_substream *substream;
327 struct snd_compr_stream *cstream;
328 struct work_struct period_elapsed_work;
329 struct snd_soc_dapm_widget_list *list; /* list of connected DAPM widgets */
330 bool d0i3_compatible; /* DSP can be in D0I3 when this pcm is opened */
331 unsigned int dsp_max_burst_size_in_ms; /* The maximum size of the host DMA burst in ms */
333 * flag to indicate that the DSP pipelines should be kept
334 * active or not while suspending the stream
336 bool suspend_ignored;
337 struct snd_sof_pcm_stream_pipeline_list pipeline_list;
339 /* used by IPC implementation and core does not touch it */
343 /* ALSA SOF PCM device */
345 struct snd_soc_component *scomp;
346 struct snd_soc_tplg_pcm pcm;
347 struct snd_sof_pcm_stream stream[2];
348 struct list_head list; /* list in sdev pcm list */
349 struct snd_pcm_hw_params params[2];
350 bool prepared[2]; /* PCM_PARAMS set successfully */
353 struct snd_sof_led_control {
354 unsigned int use_led;
355 unsigned int direction;
359 /* ALSA SOF Kcontrol device */
360 struct snd_sof_control {
361 struct snd_soc_component *scomp;
364 int min_volume_step; /* min volume step for volume_table */
365 int max_volume_step; /* max volume step for volume_table */
369 int index; /* pipeline ID */
370 void *priv; /* private data copied from topology */
371 size_t priv_size; /* size of private data */
373 void *ipc_control_data;
374 void *old_ipc_control_data;
375 int max; /* applicable to volume controls */
376 u32 size; /* cdata size */
377 u32 *volume_table; /* volume table computed from tlv data*/
379 struct list_head list; /* list in sdev control list */
381 struct snd_sof_led_control led_ctl;
383 /* if true, the control's data needs to be updated from Firmware */
384 bool comp_data_dirty;
387 /** struct snd_sof_dai_link - DAI link info
388 * @tuples: array of parsed tuples
389 * @num_tuples: number of tuples in the tuples array
390 * @link: Pointer to snd_soc_dai_link
391 * @hw_configs: Pointer to hw configs in topology
392 * @num_hw_configs: Number of hw configs in topology
393 * @default_hw_cfg_id: Default hw config ID
395 * @list: item in snd_sof_dev dai_link list
397 struct snd_sof_dai_link {
398 struct snd_sof_tuple *tuples;
400 struct snd_soc_dai_link *link;
401 struct snd_soc_tplg_hw_config *hw_configs;
403 int default_hw_cfg_id;
405 struct list_head list;
408 /* ASoC SOF DAPM widget */
409 struct snd_sof_widget {
410 struct snd_soc_component *scomp;
414 * the prepared flag is used to indicate that a widget has been prepared for getting set
419 struct mutex setup_mutex; /* to protect the swidget setup and free operations */
422 * use_count is protected by the PCM mutex held by the core and the
423 * setup_mutex against non stream domain races (kcontrol access for
429 int id; /* id is the DAPM widget type */
431 * Instance ID is set dynamically when the widget gets set up in the FW. It should be
432 * unique for each module type across all pipelines. This will not be used in SOF_IPC.
437 * Flag indicating if the widget should be set up dynamically when a PCM is opened.
438 * This flag is only set for the scheduler type widget in topology. During topology
439 * loading, this flag is propagated to all the widgets belonging to the same pipeline.
440 * When this flag is not set, a widget is set up at the time of topology loading
441 * and retained until the DSP enters D3. It will need to be set up again when resuming
444 bool dynamic_pipeline_widget;
446 struct snd_soc_dapm_widget *widget;
447 struct list_head list; /* list in sdev widget list */
448 struct snd_sof_pipeline *spipe;
454 struct snd_sof_tuple *tuples;
457 * The allowed range for num_input/output_pins is [0, SOF_WIDGET_MAX_NUM_PINS].
458 * Widgets may have zero input or output pins, for example the tone widget has
465 * The input/output pin binding array, it takes the form of
466 * [widget_name_connected_to_pin0, widget_name_connected_to_pin1, ...],
467 * with the index as the queue ID.
469 * The array is used for special pin binding. Note that even if there
470 * is only one input/output pin requires special pin binding, pin binding
471 * should be defined for all input/output pins in topology, for pin(s) that
472 * are not used, give the value "NotConnected".
474 * If pin binding is not defined in topology, nothing to parse in the kernel,
475 * input_pin_binding and output_pin_binding shall be NULL.
477 char **input_pin_binding;
478 char **output_pin_binding;
480 struct ida output_queue_ida;
481 struct ida input_queue_ida;
483 void *private; /* core does not touch this */
486 /** struct snd_sof_pipeline - ASoC SOF pipeline
487 * @pipe_widget: Pointer to the pipeline widget
488 * @started_count: Count of number of PCM's that have started this pipeline
489 * @paused_count: Count of number of PCM's that have started and have currently paused this
491 * @complete: flag used to indicate that pipeline set up is complete.
492 * @core_mask: Mask containing target cores for all modules in the pipeline
493 * @list: List item in sdev pipeline_list
495 struct snd_sof_pipeline {
496 struct snd_sof_widget *pipe_widget;
500 unsigned long core_mask;
501 struct list_head list;
504 /* ASoC SOF DAPM route */
505 struct snd_sof_route {
506 struct snd_soc_component *scomp;
508 struct snd_soc_dapm_route *route;
509 struct list_head list; /* list in sdev route list */
510 struct snd_sof_widget *src_widget;
511 struct snd_sof_widget *sink_widget;
520 /* ASoC DAI device */
522 struct snd_soc_component *scomp;
528 struct list_head list; /* list in sdev dai list */
529 /* core should not touch this */
530 const void *platform_private;
538 int snd_sof_volume_get(struct snd_kcontrol *kcontrol,
539 struct snd_ctl_elem_value *ucontrol);
540 int snd_sof_volume_put(struct snd_kcontrol *kcontrol,
541 struct snd_ctl_elem_value *ucontrol);
542 int snd_sof_volume_info(struct snd_kcontrol *kcontrol,
543 struct snd_ctl_elem_info *uinfo);
544 int snd_sof_switch_get(struct snd_kcontrol *kcontrol,
545 struct snd_ctl_elem_value *ucontrol);
546 int snd_sof_switch_put(struct snd_kcontrol *kcontrol,
547 struct snd_ctl_elem_value *ucontrol);
548 int snd_sof_enum_get(struct snd_kcontrol *kcontrol,
549 struct snd_ctl_elem_value *ucontrol);
550 int snd_sof_enum_put(struct snd_kcontrol *kcontrol,
551 struct snd_ctl_elem_value *ucontrol);
552 int snd_sof_bytes_get(struct snd_kcontrol *kcontrol,
553 struct snd_ctl_elem_value *ucontrol);
554 int snd_sof_bytes_put(struct snd_kcontrol *kcontrol,
555 struct snd_ctl_elem_value *ucontrol);
556 int snd_sof_bytes_ext_put(struct snd_kcontrol *kcontrol,
557 const unsigned int __user *binary_data,
559 int snd_sof_bytes_ext_get(struct snd_kcontrol *kcontrol,
560 unsigned int __user *binary_data,
562 int snd_sof_bytes_ext_volatile_get(struct snd_kcontrol *kcontrol, unsigned int __user *binary_data,
564 void snd_sof_control_notify(struct snd_sof_dev *sdev,
565 struct sof_ipc_ctrl_data *cdata);
569 * There is no snd_sof_free_topology since topology components will
570 * be freed by snd_soc_unregister_component,
572 int snd_sof_load_topology(struct snd_soc_component *scomp, const char *file);
577 int snd_sof_ipc_stream_posn(struct snd_soc_component *scomp,
578 struct snd_sof_pcm *spcm, int direction,
579 struct sof_ipc_stream_posn *posn);
581 struct snd_sof_widget *snd_sof_find_swidget(struct snd_soc_component *scomp,
583 struct snd_sof_widget *
584 snd_sof_find_swidget_sname(struct snd_soc_component *scomp,
585 const char *pcm_name, int dir);
586 struct snd_sof_dai *snd_sof_find_dai(struct snd_soc_component *scomp,
590 struct snd_sof_pcm *snd_sof_find_spcm_dai(struct snd_soc_component *scomp,
591 struct snd_soc_pcm_runtime *rtd)
593 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
594 struct snd_sof_pcm *spcm;
596 list_for_each_entry(spcm, &sdev->pcm_list, list) {
597 if (le32_to_cpu(spcm->pcm.dai_id) == rtd->dai_link->id)
604 struct snd_sof_pcm *snd_sof_find_spcm_name(struct snd_soc_component *scomp,
606 struct snd_sof_pcm *snd_sof_find_spcm_comp(struct snd_soc_component *scomp,
607 unsigned int comp_id,
609 void snd_sof_pcm_period_elapsed(struct snd_pcm_substream *substream);
610 void snd_sof_pcm_init_elapsed_work(struct work_struct *work);
612 #if IS_ENABLED(CONFIG_SND_SOC_SOF_COMPRESS)
613 void snd_sof_compr_fragment_elapsed(struct snd_compr_stream *cstream);
614 void snd_sof_compr_init_elapsed_work(struct work_struct *work);
616 static inline void snd_sof_compr_fragment_elapsed(struct snd_compr_stream *cstream) { }
617 static inline void snd_sof_compr_init_elapsed_work(struct work_struct *work) { }
621 int sof_pcm_dai_link_fixup(struct snd_soc_pcm_runtime *rtd, struct snd_pcm_hw_params *params);
624 bool snd_sof_stream_suspend_ignored(struct snd_sof_dev *sdev);
625 bool snd_sof_dsp_only_d0i3_compatible_stream_active(struct snd_sof_dev *sdev);
627 /* Machine driver enumeration */
628 int sof_machine_register(struct snd_sof_dev *sdev, void *pdata);
629 void sof_machine_unregister(struct snd_sof_dev *sdev, void *pdata);
631 int sof_widget_setup(struct snd_sof_dev *sdev, struct snd_sof_widget *swidget);
632 int sof_widget_free(struct snd_sof_dev *sdev, struct snd_sof_widget *swidget);
633 int sof_route_setup(struct snd_sof_dev *sdev, struct snd_soc_dapm_widget *wsource,
634 struct snd_soc_dapm_widget *wsink);
637 int sof_widget_list_setup(struct snd_sof_dev *sdev, struct snd_sof_pcm *spcm,
638 struct snd_pcm_hw_params *fe_params,
639 struct snd_sof_platform_stream_params *platform_params,
641 int sof_widget_list_free(struct snd_sof_dev *sdev, struct snd_sof_pcm *spcm, int dir);
642 int sof_pcm_dsp_pcm_free(struct snd_pcm_substream *substream, struct snd_sof_dev *sdev,
643 struct snd_sof_pcm *spcm);
644 int sof_pcm_stream_free(struct snd_sof_dev *sdev, struct snd_pcm_substream *substream,
645 struct snd_sof_pcm *spcm, int dir, bool free_widget_list);
646 int get_token_u32(void *elem, void *object, u32 offset);
647 int get_token_u16(void *elem, void *object, u32 offset);
648 int get_token_comp_format(void *elem, void *object, u32 offset);
649 int get_token_dai_type(void *elem, void *object, u32 offset);
650 int get_token_uuid(void *elem, void *object, u32 offset);
651 int get_token_string(void *elem, void *object, u32 offset);
652 int sof_update_ipc_object(struct snd_soc_component *scomp, void *object, enum sof_tokens token_id,
653 struct snd_sof_tuple *tuples, int num_tuples,
654 size_t object_size, int token_instance_num);
655 u32 vol_compute_gain(u32 value, int *tlv);