summaryrefslogtreecommitdiffstats
path: root/drivers/media/platform/qcom/venus/hfi.c
blob: 6ad0c1772ea7d6455c226c94a017b9f8f5b9c263 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
// SPDX-License-Identifier: GPL-2.0-only
/*
 * Copyright (c) 2012-2016, The Linux Foundation. All rights reserved.
 * Copyright (C) 2017 Linaro Ltd.
 */
#include <linux/slab.h>
#include <linux/mutex.h>
#include <linux/list.h>
#include <linux/completion.h>
#include <linux/platform_device.h>
#include <linux/videodev2.h>

#include "core.h"
#include "hfi.h"
#include "hfi_cmds.h"
#include "hfi_venus.h"

#define TIMEOUT		msecs_to_jiffies(1000)

static u32 to_codec_type(u32 pixfmt)
{
	switch (pixfmt) {
	case V4L2_PIX_FMT_H264:
	case V4L2_PIX_FMT_H264_NO_SC:
		return HFI_VIDEO_CODEC_H264;
	case V4L2_PIX_FMT_H263:
		return HFI_VIDEO_CODEC_H263;
	case V4L2_PIX_FMT_MPEG1:
		return HFI_VIDEO_CODEC_MPEG1;
	case V4L2_PIX_FMT_MPEG2:
		return HFI_VIDEO_CODEC_MPEG2;
	case V4L2_PIX_FMT_MPEG4:
		return HFI_VIDEO_CODEC_MPEG4;
	case V4L2_PIX_FMT_VC1_ANNEX_G:
	case V4L2_PIX_FMT_VC1_ANNEX_L:
		return HFI_VIDEO_CODEC_VC1;
	case V4L2_PIX_FMT_VP8:
		return HFI_VIDEO_CODEC_VP8;
	case V4L2_PIX_FMT_VP9:
		return HFI_VIDEO_CODEC_VP9;
	case V4L2_PIX_FMT_XVID:
		return HFI_VIDEO_CODEC_DIVX;
	case V4L2_PIX_FMT_HEVC:
		return HFI_VIDEO_CODEC_HEVC;
	default:
		return 0;
	}
}

int hfi_core_init(struct venus_core *core)
{
	int ret = 0;

	mutex_lock(&core->lock);

	if (core->state >= CORE_INIT)
		goto unlock;

	reinit_completion(&core->done);

	ret = core->ops->core_init(core);
	if (ret)
		goto unlock;

	ret = wait_for_completion_timeout(&core->done, TIMEOUT);
	if (!ret) {
		ret = -ETIMEDOUT;
		goto unlock;
	}

	ret = 0;

	if (core->error != HFI_ERR_NONE) {
		ret = -EIO;
		goto unlock;
	}

	core->state = CORE_INIT;
unlock:
	mutex_unlock(&core->lock);
	return ret;
}

int hfi_core_deinit(struct venus_core *core, bool blocking)
{
	int ret = 0, empty;

	mutex_lock(&core->lock);

	if (core->state == CORE_UNINIT)
		goto unlock;

	empty = list_empty(&core->instances);

	if (!empty && !blocking) {
		ret = -EBUSY;
		goto unlock;
	}

	if (!empty) {
		mutex_unlock(&core->lock);
		wait_var_event(&core->insts_count,
			       !atomic_read(&core->insts_count));
		mutex_lock(&core->lock);
	}

	ret = core->ops->core_deinit(core);

	if (!ret)
		core->state = CORE_UNINIT;

unlock:
	mutex_unlock(&core->lock);
	return ret;
}

int hfi_core_suspend(struct venus_core *core)
{
	if (core->state != CORE_INIT)
		return 0;

	return core->ops->suspend(core);
}

int hfi_core_resume(struct venus_core *core, bool force)
{
	if (!force && core->state != CORE_INIT)
		return 0;

	return core->ops->resume(core);
}

int hfi_core_trigger_ssr(struct venus_core *core, u32 type)
{
	return core->ops->core_trigger_ssr(core, type);
}

int hfi_core_ping(struct venus_core *core)
{
	int ret;

	mutex_lock(&core->lock);

	ret = core->ops->core_ping(core, 0xbeef);
	if (ret)
		goto unlock;

	ret = wait_for_completion_timeout(&core->done, TIMEOUT);
	if (!ret) {
		ret = -ETIMEDOUT;
		goto unlock;
	}
	ret = 0;
	if (core->error != HFI_ERR_NONE)
		ret = -ENODEV;
unlock:
	mutex_unlock(&core->lock);
	return ret;
}

static int wait_session_msg(struct venus_inst *inst)
{
	int ret;

	ret = wait_for_completion_timeout(&inst->done, TIMEOUT);
	if (!ret)
		return -ETIMEDOUT;

	if (inst->error != HFI_ERR_NONE)
		return -EIO;

	return 0;
}

int hfi_session_create(struct venus_inst *inst, const struct hfi_inst_ops *ops)
{
	struct venus_core *core = inst->core;

	if (!ops)
		return -EINVAL;

	inst->state = INST_UNINIT;
	init_completion(&inst->done);
	inst->ops = ops;

	mutex_lock(&core->lock);
	list_add_tail(&inst->list, &core->instances);
	atomic_inc(&core->insts_count);
	mutex_unlock(&core->lock);

	return 0;
}
EXPORT_SYMBOL_GPL(hfi_session_create);

int hfi_session_init(struct venus_inst *inst, u32 pixfmt)
{
	struct venus_core *core = inst->core;
	const struct hfi_ops *ops = core->ops;
	int ret;

	inst->hfi_codec = to_codec_type(pixfmt);
	reinit_completion(&inst->done);

	ret = ops->session_init(inst, inst->session_type, inst->hfi_codec);
	if (ret)
		return ret;

	ret = wait_session_msg(inst);
	if (ret)
		return ret;

	inst->state = INST_INIT;

	return 0;
}
EXPORT_SYMBOL_GPL(hfi_session_init);

void hfi_session_destroy(struct venus_inst *inst)
{
	struct venus_core *core = inst->core;

	mutex_lock(&core->lock);
	list_del_init(&inst->list);
	if (atomic_dec_and_test(&core->insts_count))
		wake_up_var(&core->insts_count);
	mutex_unlock(&core->lock);
}
EXPORT_SYMBOL_GPL(hfi_session_destroy);

int hfi_session_deinit(struct venus_inst *inst)
{
	const struct hfi_ops *ops = inst->core->ops;
	int ret;

	if (inst->state == INST_UNINIT)
		return 0;

	if (inst->state < INST_INIT)
		return -EINVAL;

	reinit_completion(&inst->done);

	ret = ops->session_end(inst);
	if (ret)
		return ret;

	ret = wait_session_msg(inst);
	if (ret)
		return ret;

	inst->state = INST_UNINIT;

	return 0;
}
EXPORT_SYMBOL_GPL(hfi_session_deinit);

int hfi_session_start(struct venus_inst *inst)
{
	const struct hfi_ops *ops = inst->core->ops;
	int ret;

	if (inst->state != INST_LOAD_RESOURCES)
		return -EINVAL;

	reinit_completion(&inst->done);

	ret = ops->session_start(inst);
	if (ret)
		return ret;

	ret = wait_session_msg(inst);
	if (ret)
		return ret;

	inst->state = INST_START;

	return 0;
}

int hfi_session_stop(struct venus_inst *inst)
{
	const struct hfi_ops *ops = inst->core->ops;
	int ret;

	if (inst->state != INST_START)
		return -EINVAL;

	reinit_completion(&inst->done);

	ret = ops->session_stop(inst);
	if (ret)
		return ret;

	ret = wait_session_msg(inst);
	if (ret)
		return ret;

	inst->state = INST_STOP;

	return 0;
}

int hfi_session_continue(struct venus_inst *inst)
{
	struct venus_core *core = inst->core;

	if (core->res->hfi_version == HFI_VERSION_1XX)
		return 0;

	return core->ops->session_continue(inst);
}
EXPORT_SYMBOL_GPL(hfi_session_continue);

int hfi_session_abort(struct venus_inst *inst)
{
	const struct hfi_ops *ops = inst->core->ops;
	int ret;

	reinit_completion(&inst->done);

	ret = ops->session_abort(inst);
	if (ret)
		return ret;

	ret = wait_session_msg(inst);
	if (ret)
		return ret;

	return 0;
}

int hfi_session_load_res(struct venus_inst *inst)
{
	const struct hfi_ops *ops = inst->core->ops;
	int ret;

	if (inst->state != INST_INIT)
		return -EINVAL;

	reinit_completion(&inst->done);

	ret = ops->session_load_res(inst);
	if (ret)
		return ret;

	ret = wait_session_msg(inst);
	if (ret)
		return ret;

	inst->state = INST_LOAD_RESOURCES;

	return 0;
}

int hfi_session_unload_res(struct venus_inst *inst)
{
	const struct hfi_ops *ops = inst->core->ops;
	int ret;

	if (inst->state != INST_STOP)
		return -EINVAL;

	reinit_completion(&inst->done);

	ret = ops->session_release_res(inst);
	if (ret)
		return ret;

	ret = wait_session_msg(inst);
	if (ret)
		return ret;

	inst->state = INST_RELEASE_RESOURCES;

	return 0;
}

int hfi_session_flush(struct venus_inst *inst)
{
	const struct hfi_ops *ops = inst->core->ops;
	int ret;

	reinit_completion(&inst->done);

	ret = ops->session_flush(inst, HFI_FLUSH_ALL);
	if (ret)
		return ret;

	ret = wait_session_msg(inst);
	if (ret)
		return ret;

	return 0;
}
EXPORT_SYMBOL_GPL(hfi_session_flush);

int hfi_session_set_buffers(struct venus_inst *inst, struct hfi_buffer_desc *bd)
{
	const struct hfi_ops *ops = inst->core->ops;

	return ops->session_set_buffers(inst, bd);
}

int hfi_session_unset_buffers(struct venus_inst *inst,
			      struct hfi_buffer_desc *bd)
{
	const struct hfi_ops *ops = inst->core->ops;
	int ret;

	reinit_completion(&inst->done);

	ret = ops->session_unset_buffers(inst, bd);
	if (ret)
		return ret;

	if (!bd->response_required)
		return 0;

	ret = wait_session_msg(inst);
	if (ret)
		return ret;

	return 0;
}

int hfi_session_get_property(struct venus_inst *inst, u32 ptype,
			     union hfi_get_property *hprop)
{
	const struct hfi_ops *ops = inst->core->ops;
	int ret;

	if (inst->state < INST_INIT || inst->state >= INST_STOP)
		return -EINVAL;

	reinit_completion(&inst->done);

	ret = ops->session_get_property(inst, ptype);
	if (ret)
		return ret;

	ret = wait_session_msg(inst);
	if (ret)
		return ret;

	*hprop = inst->hprop;

	return 0;
}
EXPORT_SYMBOL_GPL(hfi_session_get_property);

int hfi_session_set_property(struct venus_inst *inst, u32 ptype, void *pdata)
{
	const struct hfi_ops *ops = inst->core->ops;

	if (inst->state < INST_INIT || inst->state >= INST_STOP)
		return -EINVAL;

	return ops->session_set_property(inst, ptype, pdata);
}
EXPORT_SYMBOL_GPL(hfi_session_set_property);

int hfi_session_process_buf(struct venus_inst *inst, struct hfi_frame_data *fd)
{
	const struct hfi_ops *ops = inst->core->ops;

	if (fd->buffer_type == HFI_BUFFER_INPUT)
		return ops->session_etb(inst, fd);
	else if (fd->buffer_type == HFI_BUFFER_OUTPUT ||
		 fd->buffer_type == HFI_BUFFER_OUTPUT2)
		return ops->session_ftb(inst, fd);

	return -EINVAL;
}
EXPORT_SYMBOL_GPL(hfi_session_process_buf);

irqreturn_t hfi_isr_thread(int irq, void *dev_id)
{
	struct venus_core *core = dev_id;

	return core->ops->isr_thread(core);
}

irqreturn_t hfi_isr(int irq, void *dev)
{
	struct venus_core *core = dev;

	return core->ops->isr(core);
}

int hfi_create(struct venus_core *core, const struct hfi_core_ops *ops)
{
	int ret;

	if (!ops)
		return -EINVAL;

	atomic_set(&core->insts_count, 0);
	core->core_ops = ops;
	core->state = CORE_UNINIT;
	init_completion(&core->done);
	pkt_set_version(core->res->hfi_version);
	ret = venus_hfi_create(core);

	return ret;
}

void hfi_destroy(struct venus_core *core)
{
	venus_hfi_destroy(core);
}