1 /* SPDX-License-Identifier: (GPL-2.0 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) 2018 Intel Corporation. All rights reserved.
8 * Author: Liam Girdwood <liam.r.girdwood@linux.intel.com>
11 #ifndef __SOUND_SOC_SOF_PRIV_H
12 #define __SOUND_SOC_SOF_PRIV_H
14 #include <linux/device.h>
16 #include <sound/hdaudio.h>
17 #include <sound/soc.h>
19 #include <sound/sof.h>
20 #include <sound/sof/stream.h> /* needs to be included before control.h */
21 #include <sound/sof/control.h>
22 #include <sound/sof/dai.h>
23 #include <sound/sof/info.h>
24 #include <sound/sof/pm.h>
25 #include <sound/sof/topology.h>
26 #include <sound/sof/trace.h>
28 #include <uapi/sound/sof/fw.h>
31 #define SOF_DBG_REGS BIT(1)
32 #define SOF_DBG_MBOX BIT(2)
33 #define SOF_DBG_TEXT BIT(3)
34 #define SOF_DBG_PCI BIT(4)
36 /* max BARs mmaped devices can use */
37 #define SND_SOF_BARS 8
39 /* time in ms for runtime suspend delay */
40 #define SND_SOF_SUSPEND_DELAY_MS 2000
42 /* DMA buffer size for trace */
43 #define DMA_BUF_SIZE_FOR_TRACE (PAGE_SIZE * 16)
45 /* max number of FE PCMs before BEs */
46 #define SOF_BE_PCM_BASE 16
48 #define SOF_IPC_DSP_REPLY 0
49 #define SOF_IPC_HOST_REPLY 1
51 /* convenience constructor for DAI driver streams */
52 #define SOF_DAI_STREAM(sname, scmin, scmax, srates, sfmt) \
53 {.stream_name = sname, .channels_min = scmin, .channels_max = scmax, \
54 .rates = srates, .formats = sfmt}
56 #define SOF_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE | \
57 SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_FLOAT)
59 #define ENABLE_DEBUGFS_CACHEBUF \
60 (IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_ENABLE_DEBUGFS_CACHE) || \
61 IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_IPC_FLOOD_TEST))
63 #define DMA_CHAN_INVALID 0xFFFFFFFF
66 struct snd_sof_ipc_msg;
68 struct snd_sof_debugfs_map;
69 struct snd_soc_tplg_ops;
70 struct snd_soc_component;
74 * SOF DSP HW abstraction operations.
75 * Used to abstract DSP HW architecture and any IO busses between host CPU
78 struct snd_sof_dsp_ops {
80 /* probe and remove */
81 int (*probe)(struct snd_sof_dev *sof_dev); /* mandatory */
82 int (*remove)(struct snd_sof_dev *sof_dev); /* optional */
84 /* DSP core boot / reset */
85 int (*run)(struct snd_sof_dev *sof_dev); /* mandatory */
86 int (*stall)(struct snd_sof_dev *sof_dev); /* optional */
87 int (*reset)(struct snd_sof_dev *sof_dev); /* optional */
88 int (*core_power_up)(struct snd_sof_dev *sof_dev,
89 unsigned int core_mask); /* optional */
90 int (*core_power_down)(struct snd_sof_dev *sof_dev,
91 unsigned int core_mask); /* optional */
94 * Register IO: only used by respective drivers themselves,
95 * TODO: consider removing these operations and calling respective
96 * implementations directly
98 void (*write)(struct snd_sof_dev *sof_dev, void __iomem *addr,
99 u32 value); /* optional */
100 u32 (*read)(struct snd_sof_dev *sof_dev,
101 void __iomem *addr); /* optional */
102 void (*write64)(struct snd_sof_dev *sof_dev, void __iomem *addr,
103 u64 value); /* optional */
104 u64 (*read64)(struct snd_sof_dev *sof_dev,
105 void __iomem *addr); /* optional */
108 void (*block_read)(struct snd_sof_dev *sof_dev, u32 bar,
109 u32 offset, void *dest,
110 size_t size); /* mandatory */
111 void (*block_write)(struct snd_sof_dev *sof_dev, u32 bar,
112 u32 offset, void *src,
113 size_t size); /* mandatory */
116 irqreturn_t (*irq_handler)(int irq, void *context); /* optional */
117 irqreturn_t (*irq_thread)(int irq, void *context); /* optional */
120 int (*send_msg)(struct snd_sof_dev *sof_dev,
121 struct snd_sof_ipc_msg *msg); /* mandatory */
124 int (*load_firmware)(struct snd_sof_dev *sof_dev); /* mandatory */
125 int (*load_module)(struct snd_sof_dev *sof_dev,
126 struct snd_sof_mod_hdr *hdr); /* optional */
128 * FW ready checks for ABI compatibility and creates
129 * memory windows at first boot
131 int (*fw_ready)(struct snd_sof_dev *sdev, u32 msg_id); /* optional */
133 /* connect pcm substream to a host stream */
134 int (*pcm_open)(struct snd_sof_dev *sdev,
135 struct snd_pcm_substream *substream); /* optional */
136 /* disconnect pcm substream to a host stream */
137 int (*pcm_close)(struct snd_sof_dev *sdev,
138 struct snd_pcm_substream *substream); /* optional */
140 /* host stream hw params */
141 int (*pcm_hw_params)(struct snd_sof_dev *sdev,
142 struct snd_pcm_substream *substream,
143 struct snd_pcm_hw_params *params,
144 struct sof_ipc_stream_params *ipc_params); /* optional */
146 /* host stream hw_free */
147 int (*pcm_hw_free)(struct snd_sof_dev *sdev,
148 struct snd_pcm_substream *substream); /* optional */
150 /* host stream trigger */
151 int (*pcm_trigger)(struct snd_sof_dev *sdev,
152 struct snd_pcm_substream *substream,
153 int cmd); /* optional */
155 /* host stream pointer */
156 snd_pcm_uframes_t (*pcm_pointer)(struct snd_sof_dev *sdev,
157 struct snd_pcm_substream *substream); /* optional */
159 /* host read DSP stream data */
160 void (*ipc_msg_data)(struct snd_sof_dev *sdev,
161 struct snd_pcm_substream *substream,
162 void *p, size_t sz); /* mandatory */
164 /* host configure DSP HW parameters */
165 int (*ipc_pcm_params)(struct snd_sof_dev *sdev,
166 struct snd_pcm_substream *substream,
167 const struct sof_ipc_pcm_params_reply *reply); /* mandatory */
169 /* pre/post firmware run */
170 int (*pre_fw_run)(struct snd_sof_dev *sof_dev); /* optional */
171 int (*post_fw_run)(struct snd_sof_dev *sof_dev); /* optional */
174 int (*suspend)(struct snd_sof_dev *sof_dev, int state); /* optional */
175 int (*resume)(struct snd_sof_dev *sof_dev); /* optional */
176 int (*runtime_suspend)(struct snd_sof_dev *sof_dev,
177 int state); /* optional */
178 int (*runtime_resume)(struct snd_sof_dev *sof_dev); /* optional */
179 int (*runtime_idle)(struct snd_sof_dev *sof_dev); /* optional */
180 int (*set_hw_params_upon_resume)(struct snd_sof_dev *sdev); /* optional */
183 int (*set_clk)(struct snd_sof_dev *sof_dev, u32 freq); /* optional */
186 const struct snd_sof_debugfs_map *debug_map; /* optional */
187 int debug_map_count; /* optional */
188 void (*dbg_dump)(struct snd_sof_dev *sof_dev,
189 u32 flags); /* optional */
190 void (*ipc_dump)(struct snd_sof_dev *sof_dev); /* optional */
192 /* host DMA trace initialization */
193 int (*trace_init)(struct snd_sof_dev *sdev,
194 u32 *stream_tag); /* optional */
195 int (*trace_release)(struct snd_sof_dev *sdev); /* optional */
196 int (*trace_trigger)(struct snd_sof_dev *sdev,
197 int cmd); /* optional */
200 struct snd_soc_dai_driver *drv;
204 /* DSP architecture specific callbacks for oops and stack dumps */
205 struct sof_arch_ops {
206 void (*dsp_oops)(struct snd_sof_dev *sdev, void *oops);
207 void (*dsp_stack)(struct snd_sof_dev *sdev, void *oops,
208 u32 *stack, u32 stack_words);
211 #define sof_arch_ops(sdev) ((sdev)->pdata->desc->arch_ops)
213 /* DSP device HW descriptor mapping between bus ID and ops */
214 struct sof_ops_table {
215 const struct sof_dev_desc *desc;
216 const struct snd_sof_dsp_ops *ops;
219 enum sof_dfsentry_type {
220 SOF_DFSENTRY_TYPE_IOMEM = 0,
221 SOF_DFSENTRY_TYPE_BUF,
224 enum sof_debugfs_access_type {
225 SOF_DEBUGFS_ACCESS_ALWAYS = 0,
226 SOF_DEBUGFS_ACCESS_D0_ONLY,
229 /* FS entry for debug files that can expose DSP memories, registers */
230 struct snd_sof_dfsentry {
231 struct dentry *dfsentry;
233 enum sof_dfsentry_type type;
235 * access_type specifies if the
236 * memory -> DSP resource (memory, register etc) is always accessible
237 * or if it is accessible only when the DSP is in D0.
239 enum sof_debugfs_access_type access_type;
240 #if ENABLE_DEBUGFS_CACHEBUF
241 char *cache_buf; /* buffer to cache the contents of debugfs memory */
243 struct snd_sof_dev *sdev;
244 struct list_head list; /* list in sdev dfsentry list */
246 void __iomem *io_mem;
251 /* Debug mapping for any DSP memory or registers that can used for debug */
252 struct snd_sof_debugfs_map {
258 * access_type specifies if the memory is always accessible
259 * or if it is accessible only when the DSP is in D0.
261 enum sof_debugfs_access_type access_type;
264 /* mailbox descriptor, used for host <-> DSP IPC */
265 struct snd_sof_mailbox {
270 /* IPC message descriptor for host <-> DSP IO */
271 struct snd_sof_ipc_msg {
280 wait_queue_head_t waitq;
284 /* PCM stream, mapped to FW component */
285 struct snd_sof_pcm_stream {
287 struct snd_dma_buffer page_table;
288 struct sof_ipc_stream_posn posn;
289 struct snd_pcm_substream *substream;
290 struct work_struct period_elapsed_work;
293 /* ALSA SOF PCM device */
295 struct snd_sof_dev *sdev;
296 struct snd_soc_tplg_pcm pcm;
297 struct snd_sof_pcm_stream stream[2];
298 struct list_head list; /* list in sdev pcm list */
299 struct snd_pcm_hw_params params[2];
300 bool prepared[2]; /* PCM_PARAMS set successfully */
303 /* ALSA SOF Kcontrol device */
304 struct snd_sof_control {
305 struct snd_sof_dev *sdev;
307 int min_volume_step; /* min volume step for volume_table */
308 int max_volume_step; /* max volume step for volume_table */
310 u32 readback_offset; /* offset to mmaped data if used */
311 struct sof_ipc_ctrl_data *control_data;
312 u32 size; /* cdata size */
313 enum sof_ipc_ctrl_cmd cmd;
314 u32 *volume_table; /* volume table computed from tlv data*/
316 struct list_head list; /* list in sdev control list */
319 /* ASoC SOF DAPM widget */
320 struct snd_sof_widget {
321 struct snd_sof_dev *sdev;
327 struct snd_soc_dapm_widget *widget;
328 struct list_head list; /* list in sdev widget list */
330 void *private; /* core does not touch this */
333 /* ASoC SOF DAPM route */
334 struct snd_sof_route {
335 struct snd_sof_dev *sdev;
337 struct snd_soc_dapm_route *route;
338 struct list_head list; /* list in sdev route list */
343 /* ASoC DAI device */
345 struct snd_sof_dev *sdev;
347 const char *cpu_dai_name;
349 struct sof_ipc_comp_dai comp_dai;
350 struct sof_ipc_dai_config *dai_config;
351 struct list_head list; /* list in sdev dai list */
359 spinlock_t ipc_lock; /* lock for IPC users */
360 spinlock_t hw_lock; /* lock for HW IO access */
363 * ASoC components. plat_drv fields are set dynamically so
366 struct snd_soc_component_driver plat_drv;
368 /* DSP firmware boot */
369 wait_queue_head_t boot_wait;
373 /* work queue in case the probe is implemented in two steps */
374 struct work_struct probe_work;
376 /* DSP HW differentiation */
377 struct snd_sof_pdata *pdata;
380 struct snd_sof_ipc *ipc;
381 struct snd_sof_mailbox dsp_box; /* DSP initiated IPC */
382 struct snd_sof_mailbox host_box; /* Host initiated IPC */
383 struct snd_sof_mailbox stream_box; /* Stream position update */
384 struct snd_sof_ipc_msg *msg;
386 u32 next_comp_id; /* monotonic - reset during S3 */
388 /* memory bases for mmaped DSPs - set by dsp_init() */
389 void __iomem *bar[SND_SOF_BARS]; /* DSP base address */
392 size_t dsp_oops_offset;
395 struct dentry *debugfs_root;
396 struct list_head dfsentry_list;
398 /* firmware loader */
399 struct snd_dma_buffer dmab;
400 struct snd_dma_buffer dmab_bdl;
401 struct sof_ipc_fw_ready fw_ready;
402 struct sof_ipc_fw_version fw_version;
405 struct snd_soc_tplg_ops *tplg_ops;
406 struct list_head pcm_list;
407 struct list_head kcontrol_list;
408 struct list_head widget_list;
409 struct list_head dai_list;
410 struct list_head route_list;
411 struct snd_soc_component *component;
412 u32 enabled_cores_mask; /* keep track of enabled cores */
414 /* FW configuration */
415 struct sof_ipc_dma_buffer_data *info_buffer;
416 struct sof_ipc_window *info_window;
418 /* IPC timeouts in ms */
422 /* Wait queue for code loading */
423 wait_queue_head_t waitq;
427 struct snd_dma_buffer dmatb;
428 struct snd_dma_buffer dmatp;
430 wait_queue_head_t trace_sleep;
432 u32 dtrace_is_enabled;
438 void *private; /* core does not touch this */
445 int snd_sof_device_probe(struct device *dev, struct snd_sof_pdata *plat_data);
446 int snd_sof_device_remove(struct device *dev);
448 int snd_sof_runtime_suspend(struct device *dev);
449 int snd_sof_runtime_resume(struct device *dev);
450 int snd_sof_runtime_idle(struct device *dev);
451 int snd_sof_resume(struct device *dev);
452 int snd_sof_suspend(struct device *dev);
454 void snd_sof_new_platform_drv(struct snd_sof_dev *sdev);
456 int snd_sof_create_page_table(struct snd_sof_dev *sdev,
457 struct snd_dma_buffer *dmab,
458 unsigned char *page_table, size_t size);
463 int snd_sof_load_firmware(struct snd_sof_dev *sdev);
464 int snd_sof_load_firmware_raw(struct snd_sof_dev *sdev);
465 int snd_sof_load_firmware_memcpy(struct snd_sof_dev *sdev);
466 int snd_sof_run_firmware(struct snd_sof_dev *sdev);
467 int snd_sof_parse_module_memcpy(struct snd_sof_dev *sdev,
468 struct snd_sof_mod_hdr *module);
469 void snd_sof_fw_unload(struct snd_sof_dev *sdev);
470 int snd_sof_fw_parse_ext_data(struct snd_sof_dev *sdev, u32 bar, u32 offset);
473 * IPC low level APIs.
475 struct snd_sof_ipc *snd_sof_ipc_init(struct snd_sof_dev *sdev);
476 void snd_sof_ipc_free(struct snd_sof_dev *sdev);
477 int snd_sof_ipc_reply(struct snd_sof_dev *sdev, u32 msg_id);
478 void snd_sof_ipc_msgs_rx(struct snd_sof_dev *sdev);
479 int snd_sof_ipc_stream_pcm_params(struct snd_sof_dev *sdev,
480 struct sof_ipc_pcm_params *params);
481 int snd_sof_dsp_mailbox_init(struct snd_sof_dev *sdev, u32 dspbox,
482 size_t dspbox_size, u32 hostbox,
483 size_t hostbox_size);
484 int snd_sof_ipc_valid(struct snd_sof_dev *sdev);
485 int sof_ipc_tx_message(struct snd_sof_ipc *ipc, u32 header,
486 void *msg_data, size_t msg_bytes, void *reply_data,
488 struct snd_sof_widget *snd_sof_find_swidget(struct snd_sof_dev *sdev,
490 struct snd_sof_widget *snd_sof_find_swidget_sname(struct snd_sof_dev *sdev,
491 const char *pcm_name,
493 struct snd_sof_dai *snd_sof_find_dai(struct snd_sof_dev *sdev,
497 struct snd_sof_pcm *snd_sof_find_spcm_dai(struct snd_sof_dev *sdev,
498 struct snd_soc_pcm_runtime *rtd)
500 struct snd_sof_pcm *spcm = NULL;
502 list_for_each_entry(spcm, &sdev->pcm_list, list) {
503 if (le32_to_cpu(spcm->pcm.dai_id) == rtd->dai_link->id)
510 struct snd_sof_pcm *snd_sof_find_spcm_name(struct snd_sof_dev *sdev,
512 struct snd_sof_pcm *snd_sof_find_spcm_comp(struct snd_sof_dev *sdev,
513 unsigned int comp_id,
515 struct snd_sof_pcm *snd_sof_find_spcm_pcm_id(struct snd_sof_dev *sdev,
516 unsigned int pcm_id);
517 void snd_sof_pcm_period_elapsed(struct snd_pcm_substream *substream);
522 int snd_sof_ipc_stream_posn(struct snd_sof_dev *sdev,
523 struct snd_sof_pcm *spcm, int direction,
524 struct sof_ipc_stream_posn *posn);
529 int snd_sof_ipc_set_get_comp_data(struct snd_sof_ipc *ipc,
530 struct snd_sof_control *scontrol, u32 ipc_cmd,
531 enum sof_ipc_ctrl_type ctrl_type,
532 enum sof_ipc_ctrl_cmd ctrl_cmd,
537 * There is no snd_sof_free_topology since topology components will
538 * be freed by snd_soc_unregister_component,
540 int snd_sof_init_topology(struct snd_sof_dev *sdev,
541 struct snd_soc_tplg_ops *ops);
542 int snd_sof_load_topology(struct snd_sof_dev *sdev, const char *file);
543 int snd_sof_complete_pipeline(struct snd_sof_dev *sdev,
544 struct snd_sof_widget *swidget);
546 int sof_load_pipeline_ipc(struct snd_sof_dev *sdev,
547 struct sof_ipc_pipe_new *pipeline,
548 struct sof_ipc_comp_reply *r);
553 int snd_sof_init_trace(struct snd_sof_dev *sdev);
554 void snd_sof_release_trace(struct snd_sof_dev *sdev);
555 void snd_sof_free_trace(struct snd_sof_dev *sdev);
556 int snd_sof_dbg_init(struct snd_sof_dev *sdev);
557 void snd_sof_free_debug(struct snd_sof_dev *sdev);
558 int snd_sof_debugfs_io_item(struct snd_sof_dev *sdev,
559 void __iomem *base, size_t size,
561 enum sof_debugfs_access_type access_type);
562 int snd_sof_debugfs_buf_item(struct snd_sof_dev *sdev,
563 void *base, size_t size,
564 const char *name, mode_t mode);
565 int snd_sof_trace_update_pos(struct snd_sof_dev *sdev,
566 struct sof_ipc_dma_trace_posn *posn);
567 void snd_sof_trace_notify_for_error(struct snd_sof_dev *sdev);
568 void snd_sof_get_status(struct snd_sof_dev *sdev, u32 panic_code,
569 u32 tracep_code, void *oops,
570 struct sof_ipc_panic_info *panic_info,
571 void *stack, size_t stack_words);
572 int snd_sof_init_trace_ipc(struct snd_sof_dev *sdev);
575 * Platform specific ops.
577 extern struct snd_compr_ops sof_compressed_ops;
583 int snd_sof_volume_get(struct snd_kcontrol *kcontrol,
584 struct snd_ctl_elem_value *ucontrol);
585 int snd_sof_volume_put(struct snd_kcontrol *kcontrol,
586 struct snd_ctl_elem_value *ucontrol);
587 int snd_sof_switch_get(struct snd_kcontrol *kcontrol,
588 struct snd_ctl_elem_value *ucontrol);
589 int snd_sof_switch_put(struct snd_kcontrol *kcontrol,
590 struct snd_ctl_elem_value *ucontrol);
591 int snd_sof_enum_get(struct snd_kcontrol *kcontrol,
592 struct snd_ctl_elem_value *ucontrol);
593 int snd_sof_enum_put(struct snd_kcontrol *kcontrol,
594 struct snd_ctl_elem_value *ucontrol);
595 int snd_sof_bytes_get(struct snd_kcontrol *kcontrol,
596 struct snd_ctl_elem_value *ucontrol);
597 int snd_sof_bytes_put(struct snd_kcontrol *kcontrol,
598 struct snd_ctl_elem_value *ucontrol);
599 int snd_sof_bytes_ext_put(struct snd_kcontrol *kcontrol,
600 const unsigned int __user *binary_data,
602 int snd_sof_bytes_ext_get(struct snd_kcontrol *kcontrol,
603 unsigned int __user *binary_data,
609 static inline void sof_stack(struct snd_sof_dev *sdev, void *oops, u32 *stack,
612 if (sof_arch_ops(sdev)->dsp_stack)
613 sof_arch_ops(sdev)->dsp_stack(sdev, oops, stack, stack_words);
616 static inline void sof_oops(struct snd_sof_dev *sdev, void *oops)
618 if (sof_arch_ops(sdev)->dsp_oops)
619 sof_arch_ops(sdev)->dsp_oops(sdev, oops);
622 extern const struct sof_arch_ops sof_xtensa_arch_ops;
627 void sof_io_write(struct snd_sof_dev *sdev, void __iomem *addr, u32 value);
628 void sof_io_write64(struct snd_sof_dev *sdev, void __iomem *addr, u64 value);
629 u32 sof_io_read(struct snd_sof_dev *sdev, void __iomem *addr);
630 u64 sof_io_read64(struct snd_sof_dev *sdev, void __iomem *addr);
631 void sof_mailbox_write(struct snd_sof_dev *sdev, u32 offset,
632 void *message, size_t bytes);
633 void sof_mailbox_read(struct snd_sof_dev *sdev, u32 offset,
634 void *message, size_t bytes);
635 void sof_block_write(struct snd_sof_dev *sdev, u32 bar, u32 offset, void *src,
637 void sof_block_read(struct snd_sof_dev *sdev, u32 bar, u32 offset, void *dest,
640 void intel_ipc_msg_data(struct snd_sof_dev *sdev,
641 struct snd_pcm_substream *substream,
643 int intel_ipc_pcm_params(struct snd_sof_dev *sdev,
644 struct snd_pcm_substream *substream,
645 const struct sof_ipc_pcm_params_reply *reply);
647 int intel_pcm_open(struct snd_sof_dev *sdev,
648 struct snd_pcm_substream *substream);
649 int intel_pcm_close(struct snd_sof_dev *sdev,
650 struct snd_pcm_substream *substream);