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
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 */
94 int dai_node_id; /* contains DAI-specific information for Gateway configuration */
98 * struct sof_ipc_pcm_ops - IPC-specific PCM ops
99 * @hw_params: Function pointer for hw_params
100 * @hw_free: Function pointer for hw_free
101 * @trigger: Function pointer for trigger
102 * @dai_link_fixup: Function pointer for DAI link fixup
103 * @pcm_setup: Function pointer for IPC-specific PCM set up that can be used for allocating
104 * additional memory in the SOF PCM stream structure
105 * @pcm_free: Function pointer for PCM free that can be used for freeing any
106 * additional memory in the SOF PCM stream structure
107 * @pointer: Function pointer for pcm pointer
108 * Note: the @pointer callback may return -EOPNOTSUPP which should be
109 * handled in a same way as if the callback is not provided
110 * @delay: Function pointer for pcm delay reporting
111 * @reset_hw_params_during_stop: Flag indicating whether the hw_params should be reset during the
113 * @ipc_first_on_start: Send IPC before invoking platform trigger during
114 * START/PAUSE_RELEASE triggers
115 * @platform_stop_during_hw_free: Invoke the platform trigger during hw_free. This is needed for
116 * IPC4 where a pipeline is only paused during stop/pause/suspend
117 * triggers. The FW keeps the host DMA running in this case and
118 * therefore the host must do the same and should stop the DMA during
120 * @d0i3_supported_in_s0ix: Allow DSP D0I3 during S0iX
122 struct sof_ipc_pcm_ops {
123 int (*hw_params)(struct snd_soc_component *component, struct snd_pcm_substream *substream,
124 struct snd_pcm_hw_params *params,
125 struct snd_sof_platform_stream_params *platform_params);
126 int (*hw_free)(struct snd_soc_component *component, struct snd_pcm_substream *substream);
127 int (*trigger)(struct snd_soc_component *component, struct snd_pcm_substream *substream,
129 int (*dai_link_fixup)(struct snd_soc_pcm_runtime *rtd, struct snd_pcm_hw_params *params);
130 int (*pcm_setup)(struct snd_sof_dev *sdev, struct snd_sof_pcm *spcm);
131 void (*pcm_free)(struct snd_sof_dev *sdev, struct snd_sof_pcm *spcm);
132 int (*pointer)(struct snd_soc_component *component,
133 struct snd_pcm_substream *substream,
134 snd_pcm_uframes_t *pointer);
135 snd_pcm_sframes_t (*delay)(struct snd_soc_component *component,
136 struct snd_pcm_substream *substream);
137 bool reset_hw_params_during_stop;
138 bool ipc_first_on_start;
139 bool platform_stop_during_hw_free;
140 bool d0i3_supported_in_s0ix;
144 * struct sof_ipc_tplg_control_ops - IPC-specific ops for topology kcontrol IO
146 struct sof_ipc_tplg_control_ops {
147 bool (*volume_put)(struct snd_sof_control *scontrol, struct snd_ctl_elem_value *ucontrol);
148 int (*volume_get)(struct snd_sof_control *scontrol, struct snd_ctl_elem_value *ucontrol);
149 bool (*switch_put)(struct snd_sof_control *scontrol, struct snd_ctl_elem_value *ucontrol);
150 int (*switch_get)(struct snd_sof_control *scontrol, struct snd_ctl_elem_value *ucontrol);
151 bool (*enum_put)(struct snd_sof_control *scontrol, struct snd_ctl_elem_value *ucontrol);
152 int (*enum_get)(struct snd_sof_control *scontrol, struct snd_ctl_elem_value *ucontrol);
153 int (*bytes_put)(struct snd_sof_control *scontrol, struct snd_ctl_elem_value *ucontrol);
154 int (*bytes_get)(struct snd_sof_control *scontrol, struct snd_ctl_elem_value *ucontrol);
155 int (*bytes_ext_get)(struct snd_sof_control *scontrol,
156 const unsigned int __user *binary_data, unsigned int size);
157 int (*bytes_ext_volatile_get)(struct snd_sof_control *scontrol,
158 const unsigned int __user *binary_data, unsigned int size);
159 int (*bytes_ext_put)(struct snd_sof_control *scontrol,
160 const unsigned int __user *binary_data, unsigned int size);
161 /* update control data based on notification from the DSP */
162 void (*update)(struct snd_sof_dev *sdev, void *ipc_control_message);
163 /* Optional callback to setup kcontrols associated with an swidget */
164 int (*widget_kcontrol_setup)(struct snd_sof_dev *sdev, struct snd_sof_widget *swidget);
165 /* mandatory callback to set up volume table for volume kcontrols */
166 int (*set_up_volume_table)(struct snd_sof_control *scontrol, int tlv[SOF_TLV_ITEMS],
171 * struct sof_ipc_tplg_widget_ops - IPC-specific ops for topology widgets
172 * @ipc_setup: Function pointer for setting up widget IPC params
173 * @ipc_free: Function pointer for freeing widget IPC params
174 * @token_list: List of token ID's that should be parsed for the widget
175 * @token_list_size: number of elements in token_list
176 * @bind_event: Function pointer for binding events to the widget
177 * @ipc_prepare: Optional op for preparing a widget for set up
178 * @ipc_unprepare: Optional op for unpreparing a widget
180 struct sof_ipc_tplg_widget_ops {
181 int (*ipc_setup)(struct snd_sof_widget *swidget);
182 void (*ipc_free)(struct snd_sof_widget *swidget);
183 enum sof_tokens *token_list;
185 int (*bind_event)(struct snd_soc_component *scomp, struct snd_sof_widget *swidget,
187 int (*ipc_prepare)(struct snd_sof_widget *swidget,
188 struct snd_pcm_hw_params *fe_params,
189 struct snd_sof_platform_stream_params *platform_params,
190 struct snd_pcm_hw_params *source_params, int dir);
191 void (*ipc_unprepare)(struct snd_sof_widget *swidget);
195 * struct sof_ipc_tplg_ops - IPC-specific topology ops
196 * @widget: Array of pointers to IPC-specific ops for widgets. This should always be of size
197 * SND_SOF_DAPM_TYPE_COUNT i.e one per widget type. Unsupported widget types will be
199 * @control: Pointer to the IPC-specific ops for topology kcontrol IO
200 * @route_setup: Function pointer for setting up pipeline connections
201 * @route_free: Function pointer for freeing pipeline connections.
202 * @token_list: List of all tokens supported by the IPC version. The size of the token_list
203 * array should be SOF_TOKEN_COUNT. The unused elements in the array will be
205 * @control_setup: Function pointer for setting up kcontrol IPC-specific data
206 * @control_free: Function pointer for freeing kcontrol IPC-specific data
207 * @pipeline_complete: Function pointer for pipeline complete IPC
208 * @widget_setup: Function pointer for setting up setup in the DSP
209 * @widget_free: Function pointer for freeing widget in the DSP
210 * @dai_config: Function pointer for sending DAI config IPC to the DSP
211 * @dai_get_clk: Function pointer for getting the DAI clock setting
212 * @set_up_all_pipelines: Function pointer for setting up all topology pipelines
213 * @tear_down_all_pipelines: Function pointer for tearing down all topology pipelines
214 * @parse_manifest: Function pointer for ipc4 specific parsing of topology manifest
215 * @link_setup: Function pointer for IPC-specific DAI link set up
217 * Note: function pointers (ops) are optional
219 struct sof_ipc_tplg_ops {
220 const struct sof_ipc_tplg_widget_ops *widget;
221 const struct sof_ipc_tplg_control_ops *control;
222 int (*route_setup)(struct snd_sof_dev *sdev, struct snd_sof_route *sroute);
223 int (*route_free)(struct snd_sof_dev *sdev, struct snd_sof_route *sroute);
224 const struct sof_token_info *token_list;
225 int (*control_setup)(struct snd_sof_dev *sdev, struct snd_sof_control *scontrol);
226 int (*control_free)(struct snd_sof_dev *sdev, struct snd_sof_control *scontrol);
227 int (*pipeline_complete)(struct snd_sof_dev *sdev, struct snd_sof_widget *swidget);
228 int (*widget_setup)(struct snd_sof_dev *sdev, struct snd_sof_widget *swidget);
229 int (*widget_free)(struct snd_sof_dev *sdev, struct snd_sof_widget *swidget);
230 int (*dai_config)(struct snd_sof_dev *sdev, struct snd_sof_widget *swidget,
231 unsigned int flags, struct snd_sof_dai_config_data *data);
232 int (*dai_get_clk)(struct snd_sof_dev *sdev, struct snd_sof_dai *dai, int clk_type);
233 int (*set_up_all_pipelines)(struct snd_sof_dev *sdev, bool verify);
234 int (*tear_down_all_pipelines)(struct snd_sof_dev *sdev, bool verify);
235 int (*parse_manifest)(struct snd_soc_component *scomp, int index,
236 struct snd_soc_tplg_manifest *man);
237 int (*link_setup)(struct snd_sof_dev *sdev, struct snd_soc_dai_link *link);
240 /** struct snd_sof_tuple - Tuple info
242 * @value: union of a string or a u32 values
244 struct snd_sof_tuple {
253 * List of SOF token ID's. The order of ID's does not matter as token arrays are looked up based on
278 SOF_IN_AUDIO_FORMAT_TOKENS,
279 SOF_OUT_AUDIO_FORMAT_TOKENS,
280 SOF_COPIER_DEEP_BUFFER_TOKENS,
282 SOF_AUDIO_FMT_NUM_TOKENS,
283 SOF_COPIER_FORMAT_TOKENS,
290 /* this should be the last */
295 * struct sof_topology_token - SOF topology token definition
296 * @token: Token number
298 * @get_token: Function pointer to parse the token value and save it in a object
299 * @offset: Offset within an object to save the token value into
301 struct sof_topology_token {
304 int (*get_token)(void *elem, void *object, u32 offset);
308 struct sof_token_info {
310 const struct sof_topology_token *tokens;
315 * struct snd_sof_pcm_stream_pipeline_list - List of pipelines associated with a PCM stream
316 * @count: number of pipeline widgets in the @pipe_widgets array
317 * @pipelines: array of pipelines
319 struct snd_sof_pcm_stream_pipeline_list {
321 struct snd_sof_pipeline **pipelines;
324 /* PCM stream, mapped to FW component */
325 struct snd_sof_pcm_stream {
327 struct snd_dma_buffer page_table;
328 struct sof_ipc_stream_posn posn;
329 struct snd_pcm_substream *substream;
330 struct snd_compr_stream *cstream;
331 struct work_struct period_elapsed_work;
332 struct snd_soc_dapm_widget_list *list; /* list of connected DAPM widgets */
333 bool d0i3_compatible; /* DSP can be in D0I3 when this pcm is opened */
334 unsigned int dsp_max_burst_size_in_ms; /* The maximum size of the host DMA burst in ms */
336 * flag to indicate that the DSP pipelines should be kept
337 * active or not while suspending the stream
339 bool suspend_ignored;
340 struct snd_sof_pcm_stream_pipeline_list pipeline_list;
342 /* used by IPC implementation and core does not touch it */
346 /* ALSA SOF PCM device */
348 struct snd_soc_component *scomp;
349 struct snd_soc_tplg_pcm pcm;
350 struct snd_sof_pcm_stream stream[2];
351 struct list_head list; /* list in sdev pcm list */
352 struct snd_pcm_hw_params params[2];
353 bool prepared[2]; /* PCM_PARAMS set successfully */
354 bool pending_stop[2]; /* only used if (!pcm_ops->platform_stop_during_hw_free) */
357 struct snd_sof_led_control {
358 unsigned int use_led;
359 unsigned int direction;
363 /* ALSA SOF Kcontrol device */
364 struct snd_sof_control {
365 struct snd_soc_component *scomp;
368 int min_volume_step; /* min volume step for volume_table */
369 int max_volume_step; /* max volume step for volume_table */
373 int index; /* pipeline ID */
374 void *priv; /* private data copied from topology */
375 size_t priv_size; /* size of private data */
377 void *ipc_control_data;
378 void *old_ipc_control_data;
379 int max; /* applicable to volume controls */
380 u32 size; /* cdata size */
381 u32 *volume_table; /* volume table computed from tlv data*/
383 struct list_head list; /* list in sdev control list */
385 struct snd_sof_led_control led_ctl;
387 /* if true, the control's data needs to be updated from Firmware */
388 bool comp_data_dirty;
391 /** struct snd_sof_dai_link - DAI link info
392 * @tuples: array of parsed tuples
393 * @num_tuples: number of tuples in the tuples array
394 * @link: Pointer to snd_soc_dai_link
395 * @hw_configs: Pointer to hw configs in topology
396 * @num_hw_configs: Number of hw configs in topology
397 * @default_hw_cfg_id: Default hw config ID
399 * @list: item in snd_sof_dev dai_link list
401 struct snd_sof_dai_link {
402 struct snd_sof_tuple *tuples;
404 struct snd_soc_dai_link *link;
405 struct snd_soc_tplg_hw_config *hw_configs;
407 int default_hw_cfg_id;
409 struct list_head list;
412 /* ASoC SOF DAPM widget */
413 struct snd_sof_widget {
414 struct snd_soc_component *scomp;
418 * the prepared flag is used to indicate that a widget has been prepared for getting set
423 struct mutex setup_mutex; /* to protect the swidget setup and free operations */
426 * use_count is protected by the PCM mutex held by the core and the
427 * setup_mutex against non stream domain races (kcontrol access for
433 int id; /* id is the DAPM widget type */
435 * Instance ID is set dynamically when the widget gets set up in the FW. It should be
436 * unique for each module type across all pipelines. This will not be used in SOF_IPC.
441 * Flag indicating if the widget should be set up dynamically when a PCM is opened.
442 * This flag is only set for the scheduler type widget in topology. During topology
443 * loading, this flag is propagated to all the widgets belonging to the same pipeline.
444 * When this flag is not set, a widget is set up at the time of topology loading
445 * and retained until the DSP enters D3. It will need to be set up again when resuming
448 bool dynamic_pipeline_widget;
450 struct snd_soc_dapm_widget *widget;
451 struct list_head list; /* list in sdev widget list */
452 struct snd_sof_pipeline *spipe;
458 struct snd_sof_tuple *tuples;
461 * The allowed range for num_input/output_pins is [0, SOF_WIDGET_MAX_NUM_PINS].
462 * Widgets may have zero input or output pins, for example the tone widget has
469 * The input/output pin binding array, it takes the form of
470 * [widget_name_connected_to_pin0, widget_name_connected_to_pin1, ...],
471 * with the index as the queue ID.
473 * The array is used for special pin binding. Note that even if there
474 * is only one input/output pin requires special pin binding, pin binding
475 * should be defined for all input/output pins in topology, for pin(s) that
476 * are not used, give the value "NotConnected".
478 * If pin binding is not defined in topology, nothing to parse in the kernel,
479 * input_pin_binding and output_pin_binding shall be NULL.
481 char **input_pin_binding;
482 char **output_pin_binding;
484 struct ida output_queue_ida;
485 struct ida input_queue_ida;
487 void *private; /* core does not touch this */
490 /** struct snd_sof_pipeline - ASoC SOF pipeline
491 * @pipe_widget: Pointer to the pipeline widget
492 * @started_count: Count of number of PCM's that have started this pipeline
493 * @paused_count: Count of number of PCM's that have started and have currently paused this
495 * @complete: flag used to indicate that pipeline set up is complete.
496 * @core_mask: Mask containing target cores for all modules in the pipeline
497 * @list: List item in sdev pipeline_list
499 struct snd_sof_pipeline {
500 struct snd_sof_widget *pipe_widget;
504 unsigned long core_mask;
505 struct list_head list;
508 /* ASoC SOF DAPM route */
509 struct snd_sof_route {
510 struct snd_soc_component *scomp;
512 struct snd_soc_dapm_route *route;
513 struct list_head list; /* list in sdev route list */
514 struct snd_sof_widget *src_widget;
515 struct snd_sof_widget *sink_widget;
524 /* ASoC DAI device */
526 struct snd_soc_component *scomp;
532 struct list_head list; /* list in sdev dai list */
533 /* core should not touch this */
534 const void *platform_private;
542 int snd_sof_volume_get(struct snd_kcontrol *kcontrol,
543 struct snd_ctl_elem_value *ucontrol);
544 int snd_sof_volume_put(struct snd_kcontrol *kcontrol,
545 struct snd_ctl_elem_value *ucontrol);
546 int snd_sof_volume_info(struct snd_kcontrol *kcontrol,
547 struct snd_ctl_elem_info *uinfo);
548 int snd_sof_switch_get(struct snd_kcontrol *kcontrol,
549 struct snd_ctl_elem_value *ucontrol);
550 int snd_sof_switch_put(struct snd_kcontrol *kcontrol,
551 struct snd_ctl_elem_value *ucontrol);
552 int snd_sof_enum_get(struct snd_kcontrol *kcontrol,
553 struct snd_ctl_elem_value *ucontrol);
554 int snd_sof_enum_put(struct snd_kcontrol *kcontrol,
555 struct snd_ctl_elem_value *ucontrol);
556 int snd_sof_bytes_get(struct snd_kcontrol *kcontrol,
557 struct snd_ctl_elem_value *ucontrol);
558 int snd_sof_bytes_put(struct snd_kcontrol *kcontrol,
559 struct snd_ctl_elem_value *ucontrol);
560 int snd_sof_bytes_ext_put(struct snd_kcontrol *kcontrol,
561 const unsigned int __user *binary_data,
563 int snd_sof_bytes_ext_get(struct snd_kcontrol *kcontrol,
564 unsigned int __user *binary_data,
566 int snd_sof_bytes_ext_volatile_get(struct snd_kcontrol *kcontrol, unsigned int __user *binary_data,
568 void snd_sof_control_notify(struct snd_sof_dev *sdev,
569 struct sof_ipc_ctrl_data *cdata);
573 * There is no snd_sof_free_topology since topology components will
574 * be freed by snd_soc_unregister_component,
576 int snd_sof_load_topology(struct snd_soc_component *scomp, const char *file);
581 int snd_sof_ipc_stream_posn(struct snd_soc_component *scomp,
582 struct snd_sof_pcm *spcm, int direction,
583 struct sof_ipc_stream_posn *posn);
585 struct snd_sof_widget *snd_sof_find_swidget(struct snd_soc_component *scomp,
587 struct snd_sof_widget *
588 snd_sof_find_swidget_sname(struct snd_soc_component *scomp,
589 const char *pcm_name, int dir);
590 struct snd_sof_dai *snd_sof_find_dai(struct snd_soc_component *scomp,
594 struct snd_sof_pcm *snd_sof_find_spcm_dai(struct snd_soc_component *scomp,
595 struct snd_soc_pcm_runtime *rtd)
597 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
598 struct snd_sof_pcm *spcm;
600 list_for_each_entry(spcm, &sdev->pcm_list, list) {
601 if (le32_to_cpu(spcm->pcm.dai_id) == rtd->dai_link->id)
608 struct snd_sof_pcm *snd_sof_find_spcm_name(struct snd_soc_component *scomp,
610 struct snd_sof_pcm *snd_sof_find_spcm_comp(struct snd_soc_component *scomp,
611 unsigned int comp_id,
613 void snd_sof_pcm_period_elapsed(struct snd_pcm_substream *substream);
614 void snd_sof_pcm_init_elapsed_work(struct work_struct *work);
616 #if IS_ENABLED(CONFIG_SND_SOC_SOF_COMPRESS)
617 void snd_sof_compr_fragment_elapsed(struct snd_compr_stream *cstream);
618 void snd_sof_compr_init_elapsed_work(struct work_struct *work);
620 static inline void snd_sof_compr_fragment_elapsed(struct snd_compr_stream *cstream) { }
621 static inline void snd_sof_compr_init_elapsed_work(struct work_struct *work) { }
625 int sof_pcm_dai_link_fixup(struct snd_soc_pcm_runtime *rtd, struct snd_pcm_hw_params *params);
628 bool snd_sof_stream_suspend_ignored(struct snd_sof_dev *sdev);
629 bool snd_sof_dsp_only_d0i3_compatible_stream_active(struct snd_sof_dev *sdev);
631 /* Machine driver enumeration */
632 int sof_machine_register(struct snd_sof_dev *sdev, void *pdata);
633 void sof_machine_unregister(struct snd_sof_dev *sdev, void *pdata);
635 int sof_widget_setup(struct snd_sof_dev *sdev, struct snd_sof_widget *swidget);
636 int sof_widget_free(struct snd_sof_dev *sdev, struct snd_sof_widget *swidget);
637 int sof_route_setup(struct snd_sof_dev *sdev, struct snd_soc_dapm_widget *wsource,
638 struct snd_soc_dapm_widget *wsink);
641 int sof_widget_list_setup(struct snd_sof_dev *sdev, struct snd_sof_pcm *spcm,
642 struct snd_pcm_hw_params *fe_params,
643 struct snd_sof_platform_stream_params *platform_params,
645 int sof_widget_list_free(struct snd_sof_dev *sdev, struct snd_sof_pcm *spcm, int dir);
646 int sof_pcm_dsp_pcm_free(struct snd_pcm_substream *substream, struct snd_sof_dev *sdev,
647 struct snd_sof_pcm *spcm);
648 int sof_pcm_stream_free(struct snd_sof_dev *sdev, struct snd_pcm_substream *substream,
649 struct snd_sof_pcm *spcm, int dir, bool free_widget_list);
650 int get_token_u32(void *elem, void *object, u32 offset);
651 int get_token_u16(void *elem, void *object, u32 offset);
652 int get_token_comp_format(void *elem, void *object, u32 offset);
653 int get_token_dai_type(void *elem, void *object, u32 offset);
654 int get_token_uuid(void *elem, void *object, u32 offset);
655 int get_token_string(void *elem, void *object, u32 offset);
656 int sof_update_ipc_object(struct snd_soc_component *scomp, void *object, enum sof_tokens token_id,
657 struct snd_sof_tuple *tuples, int num_tuples,
658 size_t object_size, int token_instance_num);
659 u32 vol_compute_gain(u32 value, int *tlv);