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1 // SPDX-License-Identifier: GPL-2.0
2 /*
3  * Copyright 2020-2021 NXP
4  */
5 
6 #include <linux/init.h>
7 #include <linux/interconnect.h>
8 #include <linux/ioctl.h>
9 #include <linux/list.h>
10 #include <linux/kernel.h>
11 #include <linux/module.h>
12 #include <linux/delay.h>
13 #include <linux/videodev2.h>
14 #include <linux/ktime.h>
15 #include <linux/rational.h>
16 #include <linux/vmalloc.h>
17 #include <media/v4l2-device.h>
18 #include <media/v4l2-event.h>
19 #include <media/v4l2-mem2mem.h>
20 #include <media/v4l2-ioctl.h>
21 #include <media/videobuf2-v4l2.h>
22 #include <media/videobuf2-dma-contig.h>
23 #include <media/videobuf2-vmalloc.h>
24 #include "vpu.h"
25 #include "vpu_defs.h"
26 #include "vpu_core.h"
27 #include "vpu_helpers.h"
28 #include "vpu_v4l2.h"
29 #include "vpu_cmds.h"
30 #include "vpu_rpc.h"
31 
32 #define VENC_OUTPUT_ENABLE	BIT(0)
33 #define VENC_CAPTURE_ENABLE	BIT(1)
34 #define VENC_ENABLE_MASK	(VENC_OUTPUT_ENABLE | VENC_CAPTURE_ENABLE)
35 #define VENC_MAX_BUF_CNT	8
36 #define VENC_MIN_BUFFER_OUT	6
37 #define VENC_MIN_BUFFER_CAP	6
38 
39 struct venc_t {
40 	struct vpu_encode_params params;
41 	u32 request_key_frame;
42 	u32 input_ready;
43 	u32 cpb_size;
44 	bool bitrate_change;
45 
46 	struct vpu_buffer enc[VENC_MAX_BUF_CNT];
47 	struct vpu_buffer ref[VENC_MAX_BUF_CNT];
48 	struct vpu_buffer act[VENC_MAX_BUF_CNT];
49 	struct list_head frames;
50 	u32 frame_count;
51 	u32 encode_count;
52 	u32 ready_count;
53 	u32 enable;
54 	u32 stopped;
55 
56 	u32 skipped_count;
57 	u32 skipped_bytes;
58 
59 	wait_queue_head_t wq;
60 };
61 
62 struct venc_frame_t {
63 	struct list_head list;
64 	struct vpu_enc_pic_info info;
65 	u32 bytesused;
66 	s64 timestamp;
67 };
68 
69 static const struct vpu_format venc_formats[] = {
70 	{
71 		.pixfmt = V4L2_PIX_FMT_NV12M,
72 		.mem_planes = 2,
73 		.comp_planes = 2,
74 		.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
75 		.sibling = V4L2_PIX_FMT_NV12,
76 	},
77 	{
78 		.pixfmt = V4L2_PIX_FMT_NV12,
79 		.mem_planes = 1,
80 		.comp_planes = 2,
81 		.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
82 		.sibling = V4L2_PIX_FMT_NV12M,
83 	},
84 	{
85 		.pixfmt = V4L2_PIX_FMT_H264,
86 		.mem_planes = 1,
87 		.comp_planes = 1,
88 		.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
89 		.flags = V4L2_FMT_FLAG_COMPRESSED
90 	},
91 	{0, 0, 0, 0},
92 };
93 
venc_querycap(struct file * file,void * fh,struct v4l2_capability * cap)94 static int venc_querycap(struct file *file, void *fh, struct v4l2_capability *cap)
95 {
96 	strscpy(cap->driver, "amphion-vpu", sizeof(cap->driver));
97 	strscpy(cap->card, "amphion vpu encoder", sizeof(cap->card));
98 	strscpy(cap->bus_info, "platform: amphion-vpu", sizeof(cap->bus_info));
99 
100 	return 0;
101 }
102 
venc_enum_fmt(struct file * file,void * fh,struct v4l2_fmtdesc * f)103 static int venc_enum_fmt(struct file *file, void *fh, struct v4l2_fmtdesc *f)
104 {
105 	struct vpu_inst *inst = to_inst(file);
106 	const struct vpu_format *fmt;
107 
108 	memset(f->reserved, 0, sizeof(f->reserved));
109 	fmt = vpu_helper_enum_format(inst, f->type, f->index);
110 	if (!fmt)
111 		return -EINVAL;
112 
113 	f->pixelformat = fmt->pixfmt;
114 	f->flags = fmt->flags;
115 
116 	return 0;
117 }
118 
venc_enum_framesizes(struct file * file,void * fh,struct v4l2_frmsizeenum * fsize)119 static int venc_enum_framesizes(struct file *file, void *fh, struct v4l2_frmsizeenum *fsize)
120 {
121 	struct vpu_inst *inst = to_inst(file);
122 	const struct vpu_core_resources *res;
123 
124 	if (!fsize || fsize->index)
125 		return -EINVAL;
126 
127 	if (!vpu_helper_find_format(inst, 0, fsize->pixel_format))
128 		return -EINVAL;
129 
130 	res = vpu_get_resource(inst);
131 	if (!res)
132 		return -EINVAL;
133 	fsize->type = V4L2_FRMSIZE_TYPE_STEPWISE;
134 	fsize->stepwise.max_width = res->max_width;
135 	fsize->stepwise.max_height = res->max_height;
136 	fsize->stepwise.min_width = res->min_width;
137 	fsize->stepwise.min_height = res->min_height;
138 	fsize->stepwise.step_width = res->step_width;
139 	fsize->stepwise.step_height = res->step_height;
140 
141 	return 0;
142 }
143 
venc_enum_frameintervals(struct file * file,void * fh,struct v4l2_frmivalenum * fival)144 static int venc_enum_frameintervals(struct file *file, void *fh, struct v4l2_frmivalenum *fival)
145 {
146 	struct vpu_inst *inst = to_inst(file);
147 	const struct vpu_core_resources *res;
148 
149 	if (!fival || fival->index)
150 		return -EINVAL;
151 
152 	if (!vpu_helper_find_format(inst, 0, fival->pixel_format))
153 		return -EINVAL;
154 
155 	if (!fival->width || !fival->height)
156 		return -EINVAL;
157 
158 	res = vpu_get_resource(inst);
159 	if (!res)
160 		return -EINVAL;
161 	if (fival->width < res->min_width || fival->width > res->max_width ||
162 	    fival->height < res->min_height || fival->height > res->max_height)
163 		return -EINVAL;
164 
165 	fival->type = V4L2_FRMIVAL_TYPE_CONTINUOUS;
166 	fival->stepwise.min.numerator = 1;
167 	fival->stepwise.min.denominator = USHRT_MAX;
168 	fival->stepwise.max.numerator = USHRT_MAX;
169 	fival->stepwise.max.denominator = 1;
170 	fival->stepwise.step.numerator = 1;
171 	fival->stepwise.step.denominator = 1;
172 
173 	return 0;
174 }
175 
venc_g_fmt(struct file * file,void * fh,struct v4l2_format * f)176 static int venc_g_fmt(struct file *file, void *fh, struct v4l2_format *f)
177 {
178 	struct vpu_inst *inst = to_inst(file);
179 	struct venc_t *venc = inst->priv;
180 	struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp;
181 	struct vpu_format *cur_fmt;
182 	int i;
183 
184 	cur_fmt = vpu_get_format(inst, f->type);
185 
186 	pixmp->pixelformat = cur_fmt->pixfmt;
187 	pixmp->num_planes = cur_fmt->mem_planes;
188 	pixmp->width = cur_fmt->width;
189 	pixmp->height = cur_fmt->height;
190 	pixmp->field = cur_fmt->field;
191 	pixmp->flags = cur_fmt->flags;
192 	for (i = 0; i < pixmp->num_planes; i++) {
193 		pixmp->plane_fmt[i].bytesperline = cur_fmt->bytesperline[i];
194 		pixmp->plane_fmt[i].sizeimage = vpu_get_fmt_plane_size(cur_fmt, i);
195 	}
196 
197 	f->fmt.pix_mp.colorspace = venc->params.color.primaries;
198 	f->fmt.pix_mp.xfer_func = venc->params.color.transfer;
199 	f->fmt.pix_mp.ycbcr_enc = venc->params.color.matrix;
200 	f->fmt.pix_mp.quantization = venc->params.color.full_range;
201 
202 	return 0;
203 }
204 
venc_try_fmt(struct file * file,void * fh,struct v4l2_format * f)205 static int venc_try_fmt(struct file *file, void *fh, struct v4l2_format *f)
206 {
207 	struct vpu_inst *inst = to_inst(file);
208 	struct vpu_format fmt;
209 
210 	vpu_try_fmt_common(inst, f, &fmt);
211 
212 	return 0;
213 }
214 
venc_s_fmt(struct file * file,void * fh,struct v4l2_format * f)215 static int venc_s_fmt(struct file *file, void *fh, struct v4l2_format *f)
216 {
217 	struct vpu_inst *inst = to_inst(file);
218 	struct vpu_format fmt;
219 	struct vpu_format *cur_fmt;
220 	struct vb2_queue *q;
221 	struct venc_t *venc = inst->priv;
222 	struct v4l2_pix_format_mplane *pix_mp = &f->fmt.pix_mp;
223 
224 	q = v4l2_m2m_get_vq(inst->fh.m2m_ctx, f->type);
225 	if (!q)
226 		return -EINVAL;
227 	if (vb2_is_busy(q))
228 		return -EBUSY;
229 
230 	if (vpu_try_fmt_common(inst, f, &fmt))
231 		return -EINVAL;
232 
233 	cur_fmt = vpu_get_format(inst, f->type);
234 
235 	memcpy(cur_fmt, &fmt, sizeof(*cur_fmt));
236 
237 	if (V4L2_TYPE_IS_OUTPUT(f->type)) {
238 		venc->params.input_format = cur_fmt->pixfmt;
239 		venc->params.src_stride = cur_fmt->bytesperline[0];
240 		venc->params.src_width = cur_fmt->width;
241 		venc->params.src_height = cur_fmt->height;
242 		venc->params.crop.left = 0;
243 		venc->params.crop.top = 0;
244 		venc->params.crop.width = cur_fmt->width;
245 		venc->params.crop.height = cur_fmt->height;
246 	} else {
247 		venc->params.codec_format = cur_fmt->pixfmt;
248 		venc->params.out_width = cur_fmt->width;
249 		venc->params.out_height = cur_fmt->height;
250 	}
251 
252 	if (V4L2_TYPE_IS_OUTPUT(f->type)) {
253 		venc->params.color.primaries = pix_mp->colorspace;
254 		venc->params.color.transfer = pix_mp->xfer_func;
255 		venc->params.color.matrix = pix_mp->ycbcr_enc;
256 		venc->params.color.full_range = pix_mp->quantization;
257 	}
258 
259 	pix_mp->colorspace = venc->params.color.primaries;
260 	pix_mp->xfer_func = venc->params.color.transfer;
261 	pix_mp->ycbcr_enc = venc->params.color.matrix;
262 	pix_mp->quantization = venc->params.color.full_range;
263 
264 	return 0;
265 }
266 
venc_g_parm(struct file * file,void * fh,struct v4l2_streamparm * parm)267 static int venc_g_parm(struct file *file, void *fh, struct v4l2_streamparm *parm)
268 {
269 	struct vpu_inst *inst = to_inst(file);
270 	struct venc_t *venc = inst->priv;
271 	struct v4l2_fract *timeperframe;
272 
273 	if (!parm)
274 		return -EINVAL;
275 
276 	if (!V4L2_TYPE_IS_OUTPUT(parm->type))
277 		return -EINVAL;
278 
279 	if (!vpu_helper_check_type(inst, parm->type))
280 		return -EINVAL;
281 
282 	timeperframe = &parm->parm.capture.timeperframe;
283 	parm->parm.capture.capability = V4L2_CAP_TIMEPERFRAME;
284 	parm->parm.capture.readbuffers = 0;
285 	timeperframe->numerator = venc->params.frame_rate.numerator;
286 	timeperframe->denominator = venc->params.frame_rate.denominator;
287 
288 	return 0;
289 }
290 
venc_s_parm(struct file * file,void * fh,struct v4l2_streamparm * parm)291 static int venc_s_parm(struct file *file, void *fh, struct v4l2_streamparm *parm)
292 {
293 	struct vpu_inst *inst = to_inst(file);
294 	struct venc_t *venc = inst->priv;
295 	struct v4l2_fract *timeperframe;
296 	unsigned long n, d;
297 
298 	if (!parm)
299 		return -EINVAL;
300 
301 	if (!V4L2_TYPE_IS_OUTPUT(parm->type))
302 		return -EINVAL;
303 
304 	if (!vpu_helper_check_type(inst, parm->type))
305 		return -EINVAL;
306 
307 	timeperframe = &parm->parm.capture.timeperframe;
308 	if (!timeperframe->numerator)
309 		timeperframe->numerator = venc->params.frame_rate.numerator;
310 	if (!timeperframe->denominator)
311 		timeperframe->denominator = venc->params.frame_rate.denominator;
312 
313 	venc->params.frame_rate.numerator = timeperframe->numerator;
314 	venc->params.frame_rate.denominator = timeperframe->denominator;
315 
316 	rational_best_approximation(venc->params.frame_rate.numerator,
317 				    venc->params.frame_rate.denominator,
318 				    venc->params.frame_rate.numerator,
319 				    venc->params.frame_rate.denominator,
320 				    &n, &d);
321 	venc->params.frame_rate.numerator = n;
322 	venc->params.frame_rate.denominator = d;
323 
324 	parm->parm.capture.capability = V4L2_CAP_TIMEPERFRAME;
325 	memset(parm->parm.capture.reserved, 0, sizeof(parm->parm.capture.reserved));
326 
327 	return 0;
328 }
329 
venc_g_selection(struct file * file,void * fh,struct v4l2_selection * s)330 static int venc_g_selection(struct file *file, void *fh, struct v4l2_selection *s)
331 {
332 	struct vpu_inst *inst = to_inst(file);
333 	struct venc_t *venc = inst->priv;
334 
335 	if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT && s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
336 		return -EINVAL;
337 
338 	switch (s->target) {
339 	case V4L2_SEL_TGT_CROP_DEFAULT:
340 	case V4L2_SEL_TGT_CROP_BOUNDS:
341 		s->r.left = 0;
342 		s->r.top = 0;
343 		s->r.width = inst->out_format.width;
344 		s->r.height = inst->out_format.height;
345 		break;
346 	case V4L2_SEL_TGT_CROP:
347 		s->r = venc->params.crop;
348 		break;
349 	default:
350 		return -EINVAL;
351 	}
352 
353 	return 0;
354 }
355 
venc_valid_crop(struct venc_t * venc,const struct vpu_core_resources * res)356 static int venc_valid_crop(struct venc_t *venc, const struct vpu_core_resources *res)
357 {
358 	struct v4l2_rect *rect = NULL;
359 	u32 min_width;
360 	u32 min_height;
361 	u32 src_width;
362 	u32 src_height;
363 
364 	rect = &venc->params.crop;
365 	min_width = res->min_width;
366 	min_height = res->min_height;
367 	src_width = venc->params.src_width;
368 	src_height = venc->params.src_height;
369 
370 	if (rect->width == 0 || rect->height == 0)
371 		return -EINVAL;
372 	if (rect->left > src_width - min_width || rect->top > src_height - min_height)
373 		return -EINVAL;
374 
375 	rect->width = min(rect->width, src_width - rect->left);
376 	rect->width = max_t(u32, rect->width, min_width);
377 
378 	rect->height = min(rect->height, src_height - rect->top);
379 	rect->height = max_t(u32, rect->height, min_height);
380 
381 	return 0;
382 }
383 
venc_s_selection(struct file * file,void * fh,struct v4l2_selection * s)384 static int venc_s_selection(struct file *file, void *fh, struct v4l2_selection *s)
385 {
386 	struct vpu_inst *inst = to_inst(file);
387 	const struct vpu_core_resources *res;
388 	struct venc_t *venc = inst->priv;
389 
390 	res = vpu_get_resource(inst);
391 	if (!res)
392 		return -EINVAL;
393 
394 	if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT && s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
395 		return -EINVAL;
396 	if (s->target != V4L2_SEL_TGT_CROP)
397 		return -EINVAL;
398 
399 	venc->params.crop.left = ALIGN(s->r.left, res->step_width);
400 	venc->params.crop.top = ALIGN(s->r.top, res->step_height);
401 	venc->params.crop.width = ALIGN(s->r.width, res->step_width);
402 	venc->params.crop.height = ALIGN(s->r.height, res->step_height);
403 	if (venc_valid_crop(venc, res)) {
404 		venc->params.crop.left = 0;
405 		venc->params.crop.top = 0;
406 		venc->params.crop.width = venc->params.src_width;
407 		venc->params.crop.height = venc->params.src_height;
408 	}
409 
410 	inst->crop = venc->params.crop;
411 
412 	return 0;
413 }
414 
venc_drain(struct vpu_inst * inst)415 static int venc_drain(struct vpu_inst *inst)
416 {
417 	struct venc_t *venc = inst->priv;
418 	int ret;
419 
420 	if (!inst->fh.m2m_ctx)
421 		return 0;
422 
423 	if (inst->state != VPU_CODEC_STATE_DRAIN)
424 		return 0;
425 
426 	if (!vpu_is_source_empty(inst))
427 		return 0;
428 
429 	if (!venc->input_ready)
430 		return 0;
431 
432 	venc->input_ready = false;
433 	vpu_trace(inst->dev, "[%d]\n", inst->id);
434 	ret = vpu_session_stop(inst);
435 	if (ret)
436 		return ret;
437 	inst->state = VPU_CODEC_STATE_STOP;
438 	wake_up_all(&venc->wq);
439 
440 	return 0;
441 }
442 
venc_request_eos(struct vpu_inst * inst)443 static int venc_request_eos(struct vpu_inst *inst)
444 {
445 	inst->state = VPU_CODEC_STATE_DRAIN;
446 	venc_drain(inst);
447 
448 	return 0;
449 }
450 
venc_encoder_cmd(struct file * file,void * fh,struct v4l2_encoder_cmd * cmd)451 static int venc_encoder_cmd(struct file *file, void *fh, struct v4l2_encoder_cmd *cmd)
452 {
453 	struct vpu_inst *inst = to_inst(file);
454 	int ret;
455 
456 	ret = v4l2_m2m_ioctl_try_encoder_cmd(file, fh, cmd);
457 	if (ret)
458 		return ret;
459 
460 	vpu_inst_lock(inst);
461 	if (cmd->cmd == V4L2_ENC_CMD_STOP) {
462 		if (inst->state == VPU_CODEC_STATE_DEINIT)
463 			vpu_set_last_buffer_dequeued(inst, true);
464 		else
465 			venc_request_eos(inst);
466 	}
467 	vpu_inst_unlock(inst);
468 
469 	return 0;
470 }
471 
venc_subscribe_event(struct v4l2_fh * fh,const struct v4l2_event_subscription * sub)472 static int venc_subscribe_event(struct v4l2_fh *fh, const struct v4l2_event_subscription *sub)
473 {
474 	switch (sub->type) {
475 	case V4L2_EVENT_EOS:
476 		return v4l2_event_subscribe(fh, sub, 0, NULL);
477 	case V4L2_EVENT_CTRL:
478 		return v4l2_ctrl_subscribe_event(fh, sub);
479 	default:
480 		return -EINVAL;
481 	}
482 }
483 
484 static const struct v4l2_ioctl_ops venc_ioctl_ops = {
485 	.vidioc_querycap               = venc_querycap,
486 	.vidioc_enum_fmt_vid_cap       = venc_enum_fmt,
487 	.vidioc_enum_fmt_vid_out       = venc_enum_fmt,
488 	.vidioc_enum_framesizes        = venc_enum_framesizes,
489 	.vidioc_enum_frameintervals    = venc_enum_frameintervals,
490 	.vidioc_g_fmt_vid_cap_mplane   = venc_g_fmt,
491 	.vidioc_g_fmt_vid_out_mplane   = venc_g_fmt,
492 	.vidioc_try_fmt_vid_cap_mplane = venc_try_fmt,
493 	.vidioc_try_fmt_vid_out_mplane = venc_try_fmt,
494 	.vidioc_s_fmt_vid_cap_mplane   = venc_s_fmt,
495 	.vidioc_s_fmt_vid_out_mplane   = venc_s_fmt,
496 	.vidioc_g_parm                 = venc_g_parm,
497 	.vidioc_s_parm                 = venc_s_parm,
498 	.vidioc_g_selection            = venc_g_selection,
499 	.vidioc_s_selection            = venc_s_selection,
500 	.vidioc_try_encoder_cmd        = v4l2_m2m_ioctl_try_encoder_cmd,
501 	.vidioc_encoder_cmd            = venc_encoder_cmd,
502 	.vidioc_subscribe_event        = venc_subscribe_event,
503 	.vidioc_unsubscribe_event      = v4l2_event_unsubscribe,
504 	.vidioc_reqbufs                = v4l2_m2m_ioctl_reqbufs,
505 	.vidioc_querybuf               = v4l2_m2m_ioctl_querybuf,
506 	.vidioc_create_bufs	       = v4l2_m2m_ioctl_create_bufs,
507 	.vidioc_prepare_buf	       = v4l2_m2m_ioctl_prepare_buf,
508 	.vidioc_qbuf                   = v4l2_m2m_ioctl_qbuf,
509 	.vidioc_expbuf                 = v4l2_m2m_ioctl_expbuf,
510 	.vidioc_dqbuf                  = v4l2_m2m_ioctl_dqbuf,
511 	.vidioc_streamon               = v4l2_m2m_ioctl_streamon,
512 	.vidioc_streamoff              = v4l2_m2m_ioctl_streamoff,
513 };
514 
venc_op_s_ctrl(struct v4l2_ctrl * ctrl)515 static int venc_op_s_ctrl(struct v4l2_ctrl *ctrl)
516 {
517 	struct vpu_inst *inst = ctrl_to_inst(ctrl);
518 	struct venc_t *venc = inst->priv;
519 	int ret = 0;
520 
521 	switch (ctrl->id) {
522 	case V4L2_CID_MPEG_VIDEO_H264_PROFILE:
523 		venc->params.profile = ctrl->val;
524 		break;
525 	case V4L2_CID_MPEG_VIDEO_H264_LEVEL:
526 		venc->params.level = ctrl->val;
527 		break;
528 	case V4L2_CID_MPEG_VIDEO_FRAME_RC_ENABLE:
529 		venc->params.rc_enable = ctrl->val;
530 		break;
531 	case V4L2_CID_MPEG_VIDEO_BITRATE_MODE:
532 		venc->params.rc_mode = ctrl->val;
533 		break;
534 	case V4L2_CID_MPEG_VIDEO_BITRATE:
535 		if (ctrl->val != venc->params.bitrate)
536 			venc->bitrate_change = true;
537 		venc->params.bitrate = ctrl->val;
538 		break;
539 	case V4L2_CID_MPEG_VIDEO_BITRATE_PEAK:
540 		venc->params.bitrate_max = ctrl->val;
541 		break;
542 	case V4L2_CID_MPEG_VIDEO_GOP_SIZE:
543 		venc->params.gop_length = ctrl->val;
544 		break;
545 	case V4L2_CID_MPEG_VIDEO_B_FRAMES:
546 		venc->params.bframes = ctrl->val;
547 		break;
548 	case V4L2_CID_MPEG_VIDEO_H264_I_FRAME_QP:
549 		venc->params.i_frame_qp = ctrl->val;
550 		break;
551 	case V4L2_CID_MPEG_VIDEO_H264_P_FRAME_QP:
552 		venc->params.p_frame_qp = ctrl->val;
553 		break;
554 	case V4L2_CID_MPEG_VIDEO_H264_B_FRAME_QP:
555 		venc->params.b_frame_qp = ctrl->val;
556 		break;
557 	case V4L2_CID_MPEG_VIDEO_FORCE_KEY_FRAME:
558 		venc->request_key_frame = 1;
559 		break;
560 	case V4L2_CID_MPEG_VIDEO_H264_CPB_SIZE:
561 		venc->cpb_size = ctrl->val * 1024;
562 		break;
563 	case V4L2_CID_MPEG_VIDEO_H264_VUI_SAR_ENABLE:
564 		venc->params.sar.enable = ctrl->val;
565 		break;
566 	case V4L2_CID_MPEG_VIDEO_H264_VUI_SAR_IDC:
567 		venc->params.sar.idc = ctrl->val;
568 		break;
569 	case V4L2_CID_MPEG_VIDEO_H264_VUI_EXT_SAR_WIDTH:
570 		venc->params.sar.width = ctrl->val;
571 		break;
572 	case V4L2_CID_MPEG_VIDEO_H264_VUI_EXT_SAR_HEIGHT:
573 		venc->params.sar.height = ctrl->val;
574 		break;
575 	case V4L2_CID_MPEG_VIDEO_HEADER_MODE:
576 		break;
577 	default:
578 		ret = -EINVAL;
579 		break;
580 	}
581 
582 	return ret;
583 }
584 
585 static const struct v4l2_ctrl_ops venc_ctrl_ops = {
586 	.s_ctrl = venc_op_s_ctrl,
587 	.g_volatile_ctrl = vpu_helper_g_volatile_ctrl,
588 };
589 
venc_ctrl_init(struct vpu_inst * inst)590 static int venc_ctrl_init(struct vpu_inst *inst)
591 {
592 	struct v4l2_ctrl *ctrl;
593 	int ret;
594 
595 	ret = v4l2_ctrl_handler_init(&inst->ctrl_handler, 20);
596 	if (ret)
597 		return ret;
598 
599 	v4l2_ctrl_new_std_menu(&inst->ctrl_handler, &venc_ctrl_ops,
600 			       V4L2_CID_MPEG_VIDEO_H264_PROFILE,
601 			       V4L2_MPEG_VIDEO_H264_PROFILE_HIGH,
602 			       ~((1 << V4L2_MPEG_VIDEO_H264_PROFILE_BASELINE) |
603 				 (1 << V4L2_MPEG_VIDEO_H264_PROFILE_MAIN) |
604 				 (1 << V4L2_MPEG_VIDEO_H264_PROFILE_HIGH)),
605 			       V4L2_MPEG_VIDEO_H264_PROFILE_HIGH);
606 
607 	v4l2_ctrl_new_std_menu(&inst->ctrl_handler, &venc_ctrl_ops,
608 			       V4L2_CID_MPEG_VIDEO_H264_LEVEL,
609 			       V4L2_MPEG_VIDEO_H264_LEVEL_5_1,
610 			       0x0,
611 			       V4L2_MPEG_VIDEO_H264_LEVEL_4_0);
612 
613 	v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops,
614 			  V4L2_CID_MPEG_VIDEO_FRAME_RC_ENABLE, 0, 1, 1, 1);
615 
616 	v4l2_ctrl_new_std_menu(&inst->ctrl_handler, &venc_ctrl_ops,
617 			       V4L2_CID_MPEG_VIDEO_BITRATE_MODE,
618 			       V4L2_MPEG_VIDEO_BITRATE_MODE_CBR,
619 			       ~((1 << V4L2_MPEG_VIDEO_BITRATE_MODE_VBR) |
620 				 (1 << V4L2_MPEG_VIDEO_BITRATE_MODE_CBR)),
621 			       V4L2_MPEG_VIDEO_BITRATE_MODE_CBR);
622 
623 	v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops,
624 			  V4L2_CID_MPEG_VIDEO_BITRATE,
625 			  BITRATE_MIN,
626 			  BITRATE_MAX,
627 			  BITRATE_STEP,
628 			  BITRATE_DEFAULT);
629 
630 	v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops,
631 			  V4L2_CID_MPEG_VIDEO_BITRATE_PEAK,
632 			  BITRATE_MIN, BITRATE_MAX,
633 			  BITRATE_STEP,
634 			  BITRATE_DEFAULT_PEAK);
635 
636 	v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops,
637 			  V4L2_CID_MPEG_VIDEO_GOP_SIZE, 1, 8000, 1, 30);
638 
639 	v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops,
640 			  V4L2_CID_MPEG_VIDEO_B_FRAMES, 0, 4, 1, 0);
641 
642 	v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops,
643 			  V4L2_CID_MPEG_VIDEO_H264_I_FRAME_QP, 1, 51, 1, 26);
644 	v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops,
645 			  V4L2_CID_MPEG_VIDEO_H264_P_FRAME_QP, 1, 51, 1, 28);
646 	v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops,
647 			  V4L2_CID_MPEG_VIDEO_H264_B_FRAME_QP, 1, 51, 1, 30);
648 	v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops,
649 			  V4L2_CID_MPEG_VIDEO_FORCE_KEY_FRAME, 0, 0, 0, 0);
650 	ctrl = v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops,
651 				 V4L2_CID_MIN_BUFFERS_FOR_CAPTURE, 1, 32, 1, 2);
652 	if (ctrl)
653 		ctrl->flags |= V4L2_CTRL_FLAG_VOLATILE;
654 	ctrl = v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops,
655 				 V4L2_CID_MIN_BUFFERS_FOR_OUTPUT, 1, 32, 1, 2);
656 	if (ctrl)
657 		ctrl->flags |= V4L2_CTRL_FLAG_VOLATILE;
658 
659 	v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops,
660 			  V4L2_CID_MPEG_VIDEO_H264_CPB_SIZE, 64, 10240, 1, 1024);
661 
662 	v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops,
663 			  V4L2_CID_MPEG_VIDEO_H264_VUI_SAR_ENABLE, 0, 1, 1, 1);
664 	v4l2_ctrl_new_std_menu(&inst->ctrl_handler, &venc_ctrl_ops,
665 			       V4L2_CID_MPEG_VIDEO_H264_VUI_SAR_IDC,
666 			       V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_EXTENDED,
667 			       0x0,
668 			       V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_1x1);
669 	v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops,
670 			  V4L2_CID_MPEG_VIDEO_H264_VUI_EXT_SAR_WIDTH,
671 			  0, USHRT_MAX, 1, 1);
672 	v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops,
673 			  V4L2_CID_MPEG_VIDEO_H264_VUI_EXT_SAR_HEIGHT,
674 			  0, USHRT_MAX, 1, 1);
675 	v4l2_ctrl_new_std_menu(&inst->ctrl_handler, &venc_ctrl_ops,
676 			       V4L2_CID_MPEG_VIDEO_HEADER_MODE,
677 			       V4L2_MPEG_VIDEO_HEADER_MODE_JOINED_WITH_1ST_FRAME,
678 			       ~(1 << V4L2_MPEG_VIDEO_HEADER_MODE_JOINED_WITH_1ST_FRAME),
679 			       V4L2_MPEG_VIDEO_HEADER_MODE_JOINED_WITH_1ST_FRAME);
680 
681 	v4l2_ctrl_new_std(&inst->ctrl_handler, NULL,
682 			  V4L2_CID_MPEG_VIDEO_AVERAGE_QP, 0, 51, 1, 0);
683 
684 	if (inst->ctrl_handler.error) {
685 		ret = inst->ctrl_handler.error;
686 		v4l2_ctrl_handler_free(&inst->ctrl_handler);
687 		return ret;
688 	}
689 
690 	ret = v4l2_ctrl_handler_setup(&inst->ctrl_handler);
691 	if (ret) {
692 		dev_err(inst->dev, "[%d] setup ctrls fail, ret = %d\n", inst->id, ret);
693 		v4l2_ctrl_handler_free(&inst->ctrl_handler);
694 		return ret;
695 	}
696 
697 	return 0;
698 }
699 
venc_check_ready(struct vpu_inst * inst,unsigned int type)700 static bool venc_check_ready(struct vpu_inst *inst, unsigned int type)
701 {
702 	struct venc_t *venc = inst->priv;
703 
704 	if (V4L2_TYPE_IS_OUTPUT(type)) {
705 		if (vpu_helper_get_free_space(inst) < venc->cpb_size)
706 			return false;
707 		return venc->input_ready;
708 	}
709 
710 	if (list_empty(&venc->frames))
711 		return false;
712 	return true;
713 }
714 
venc_get_enable_mask(u32 type)715 static u32 venc_get_enable_mask(u32 type)
716 {
717 	if (V4L2_TYPE_IS_OUTPUT(type))
718 		return VENC_OUTPUT_ENABLE;
719 	else
720 		return VENC_CAPTURE_ENABLE;
721 }
722 
venc_set_enable(struct venc_t * venc,u32 type,int enable)723 static void venc_set_enable(struct venc_t *venc, u32 type, int enable)
724 {
725 	u32 mask = venc_get_enable_mask(type);
726 
727 	if (enable)
728 		venc->enable |= mask;
729 	else
730 		venc->enable &= ~mask;
731 }
732 
venc_get_enable(struct venc_t * venc,u32 type)733 static u32 venc_get_enable(struct venc_t *venc, u32 type)
734 {
735 	return venc->enable & venc_get_enable_mask(type);
736 }
737 
venc_input_done(struct vpu_inst * inst)738 static void venc_input_done(struct vpu_inst *inst)
739 {
740 	struct venc_t *venc = inst->priv;
741 
742 	vpu_inst_lock(inst);
743 	venc->input_ready = true;
744 	vpu_process_output_buffer(inst);
745 	if (inst->state == VPU_CODEC_STATE_DRAIN)
746 		venc_drain(inst);
747 	vpu_inst_unlock(inst);
748 }
749 
750 /*
751  * It's hardware limitation, that there may be several bytes
752  * redundant data at the beginning of frame.
753  * For android platform, the redundant data may cause cts test fail
754  * So driver will strip them
755  */
venc_precheck_encoded_frame(struct vpu_inst * inst,struct venc_frame_t * frame)756 static int venc_precheck_encoded_frame(struct vpu_inst *inst, struct venc_frame_t *frame)
757 {
758 	struct venc_t *venc;
759 	int skipped;
760 
761 	if (!frame || !frame->bytesused)
762 		return -EINVAL;
763 
764 	venc = inst->priv;
765 	skipped = vpu_helper_find_startcode(&inst->stream_buffer,
766 					    inst->cap_format.pixfmt,
767 					    frame->info.wptr - inst->stream_buffer.phys,
768 					    frame->bytesused);
769 	if (skipped > 0) {
770 		frame->bytesused -= skipped;
771 		frame->info.wptr = vpu_helper_step_walk(&inst->stream_buffer,
772 							frame->info.wptr, skipped);
773 		venc->skipped_bytes += skipped;
774 		venc->skipped_count++;
775 	}
776 
777 	return 0;
778 }
779 
venc_get_one_encoded_frame(struct vpu_inst * inst,struct venc_frame_t * frame,struct vb2_v4l2_buffer * vbuf)780 static int venc_get_one_encoded_frame(struct vpu_inst *inst,
781 				      struct venc_frame_t *frame,
782 				      struct vb2_v4l2_buffer *vbuf)
783 {
784 	struct venc_t *venc = inst->priv;
785 	struct vb2_v4l2_buffer *src_buf;
786 
787 	if (!vbuf)
788 		return -EAGAIN;
789 
790 	src_buf = vpu_find_buf_by_sequence(inst, inst->out_format.type, frame->info.frame_id);
791 	if (src_buf) {
792 		v4l2_m2m_buf_copy_metadata(src_buf, vbuf, true);
793 		vpu_set_buffer_state(src_buf, VPU_BUF_STATE_IDLE);
794 		v4l2_m2m_src_buf_remove_by_buf(inst->fh.m2m_ctx, src_buf);
795 		v4l2_m2m_buf_done(src_buf, VB2_BUF_STATE_DONE);
796 	} else {
797 		vbuf->vb2_buf.timestamp = frame->info.timestamp;
798 	}
799 	if (!venc_get_enable(inst->priv, vbuf->vb2_buf.type)) {
800 		v4l2_m2m_buf_done(vbuf, VB2_BUF_STATE_ERROR);
801 		return 0;
802 	}
803 	if (frame->bytesused > vbuf->vb2_buf.planes[0].length) {
804 		v4l2_m2m_buf_done(vbuf, VB2_BUF_STATE_ERROR);
805 		return -ENOMEM;
806 	}
807 
808 	venc_precheck_encoded_frame(inst, frame);
809 
810 	if (frame->bytesused) {
811 		u32 rptr = frame->info.wptr;
812 		void *dst = vb2_plane_vaddr(&vbuf->vb2_buf, 0);
813 
814 		vpu_helper_copy_from_stream_buffer(&inst->stream_buffer,
815 						   &rptr, frame->bytesused, dst);
816 		vpu_iface_update_stream_buffer(inst, rptr, 0);
817 	}
818 	vb2_set_plane_payload(&vbuf->vb2_buf, 0, frame->bytesused);
819 	vbuf->sequence = frame->info.frame_id;
820 	vbuf->field = inst->cap_format.field;
821 	vbuf->flags |= frame->info.pic_type;
822 	vpu_set_buffer_state(vbuf, VPU_BUF_STATE_IDLE);
823 	vpu_set_buffer_average_qp(vbuf, frame->info.average_qp);
824 	dev_dbg(inst->dev, "[%d][OUTPUT TS]%32lld\n", inst->id, vbuf->vb2_buf.timestamp);
825 	v4l2_m2m_buf_done(vbuf, VB2_BUF_STATE_DONE);
826 	venc->ready_count++;
827 
828 	if (vbuf->flags & V4L2_BUF_FLAG_KEYFRAME)
829 		dev_dbg(inst->dev, "[%d][%d]key frame\n", inst->id, frame->info.frame_id);
830 
831 	return 0;
832 }
833 
venc_get_encoded_frames(struct vpu_inst * inst)834 static int venc_get_encoded_frames(struct vpu_inst *inst)
835 {
836 	struct venc_t *venc;
837 	struct venc_frame_t *frame;
838 	struct venc_frame_t *tmp;
839 
840 	if (!inst->fh.m2m_ctx)
841 		return 0;
842 	venc = inst->priv;
843 	list_for_each_entry_safe(frame, tmp, &venc->frames, list) {
844 		if (venc_get_one_encoded_frame(inst, frame,
845 					       v4l2_m2m_dst_buf_remove(inst->fh.m2m_ctx)))
846 			break;
847 		list_del_init(&frame->list);
848 		vfree(frame);
849 	}
850 
851 	return 0;
852 }
853 
venc_frame_encoded(struct vpu_inst * inst,void * arg)854 static int venc_frame_encoded(struct vpu_inst *inst, void *arg)
855 {
856 	struct vpu_enc_pic_info *info = arg;
857 	struct venc_frame_t *frame;
858 	struct venc_t *venc;
859 	int ret = 0;
860 
861 	if (!info)
862 		return -EINVAL;
863 	venc = inst->priv;
864 	frame = vzalloc(sizeof(*frame));
865 	if (!frame)
866 		return -ENOMEM;
867 
868 	memcpy(&frame->info, info, sizeof(frame->info));
869 	frame->bytesused = info->frame_size;
870 
871 	vpu_inst_lock(inst);
872 	list_add_tail(&frame->list, &venc->frames);
873 	venc->encode_count++;
874 	venc_get_encoded_frames(inst);
875 	vpu_inst_unlock(inst);
876 
877 	return ret;
878 }
879 
venc_set_last_buffer_dequeued(struct vpu_inst * inst)880 static void venc_set_last_buffer_dequeued(struct vpu_inst *inst)
881 {
882 	struct venc_t *venc = inst->priv;
883 
884 	if (venc->stopped && list_empty(&venc->frames))
885 		vpu_set_last_buffer_dequeued(inst, true);
886 }
887 
venc_stop_done(struct vpu_inst * inst)888 static void venc_stop_done(struct vpu_inst *inst)
889 {
890 	struct venc_t *venc = inst->priv;
891 
892 	vpu_inst_lock(inst);
893 	venc->stopped = true;
894 	venc_set_last_buffer_dequeued(inst);
895 	vpu_inst_unlock(inst);
896 
897 	wake_up_all(&venc->wq);
898 }
899 
venc_event_notify(struct vpu_inst * inst,u32 event,void * data)900 static void venc_event_notify(struct vpu_inst *inst, u32 event, void *data)
901 {
902 }
903 
venc_release(struct vpu_inst * inst)904 static void venc_release(struct vpu_inst *inst)
905 {
906 }
907 
venc_cleanup(struct vpu_inst * inst)908 static void venc_cleanup(struct vpu_inst *inst)
909 {
910 	struct venc_t *venc;
911 
912 	if (!inst)
913 		return;
914 
915 	venc = inst->priv;
916 	vfree(venc);
917 	inst->priv = NULL;
918 	vfree(inst);
919 }
920 
venc_start_session(struct vpu_inst * inst,u32 type)921 static int venc_start_session(struct vpu_inst *inst, u32 type)
922 {
923 	struct venc_t *venc = inst->priv;
924 	int stream_buffer_size;
925 	int ret;
926 
927 	venc_set_enable(venc, type, 1);
928 	if ((venc->enable & VENC_ENABLE_MASK) != VENC_ENABLE_MASK)
929 		return 0;
930 
931 	vpu_iface_init_instance(inst);
932 	stream_buffer_size = vpu_iface_get_stream_buffer_size(inst->core);
933 	if (stream_buffer_size > 0) {
934 		inst->stream_buffer.length = max_t(u32, stream_buffer_size, venc->cpb_size * 3);
935 		ret = vpu_alloc_dma(inst->core, &inst->stream_buffer);
936 		if (ret)
937 			goto error;
938 
939 		inst->use_stream_buffer = true;
940 		vpu_iface_config_stream_buffer(inst, &inst->stream_buffer);
941 	}
942 
943 	ret = vpu_iface_set_encode_params(inst, &venc->params, 0);
944 	if (ret)
945 		goto error;
946 	ret = vpu_session_configure_codec(inst);
947 	if (ret)
948 		goto error;
949 
950 	inst->state = VPU_CODEC_STATE_CONFIGURED;
951 	/*vpu_iface_config_memory_resource*/
952 
953 	/*config enc expert mode parameter*/
954 	ret = vpu_iface_set_encode_params(inst, &venc->params, 1);
955 	if (ret)
956 		goto error;
957 
958 	ret = vpu_session_start(inst);
959 	if (ret)
960 		goto error;
961 	inst->state = VPU_CODEC_STATE_STARTED;
962 
963 	venc->bitrate_change = false;
964 	venc->input_ready = true;
965 	venc->frame_count = 0;
966 	venc->encode_count = 0;
967 	venc->ready_count = 0;
968 	venc->stopped = false;
969 	vpu_process_output_buffer(inst);
970 	if (venc->frame_count == 0)
971 		dev_err(inst->dev, "[%d] there is no input when starting\n", inst->id);
972 
973 	return 0;
974 error:
975 	venc_set_enable(venc, type, 0);
976 	inst->state = VPU_CODEC_STATE_DEINIT;
977 
978 	vpu_free_dma(&inst->stream_buffer);
979 	return ret;
980 }
981 
venc_cleanup_mem_resource(struct vpu_inst * inst)982 static void venc_cleanup_mem_resource(struct vpu_inst *inst)
983 {
984 	struct venc_t *venc;
985 	u32 i;
986 
987 	venc = inst->priv;
988 
989 	for (i = 0; i < ARRAY_SIZE(venc->enc); i++)
990 		vpu_free_dma(&venc->enc[i]);
991 	for (i = 0; i < ARRAY_SIZE(venc->ref); i++)
992 		vpu_free_dma(&venc->ref[i]);
993 }
994 
venc_request_mem_resource(struct vpu_inst * inst,u32 enc_frame_size,u32 enc_frame_num,u32 ref_frame_size,u32 ref_frame_num,u32 act_frame_size,u32 act_frame_num)995 static void venc_request_mem_resource(struct vpu_inst *inst,
996 				      u32 enc_frame_size,
997 				      u32 enc_frame_num,
998 				      u32 ref_frame_size,
999 				      u32 ref_frame_num,
1000 				      u32 act_frame_size,
1001 				      u32 act_frame_num)
1002 {
1003 	struct venc_t *venc;
1004 	u32 i;
1005 	int ret;
1006 
1007 	venc = inst->priv;
1008 	if (enc_frame_num > ARRAY_SIZE(venc->enc)) {
1009 		dev_err(inst->dev, "[%d] enc num(%d) is out of range\n", inst->id, enc_frame_num);
1010 		return;
1011 	}
1012 	if (ref_frame_num > ARRAY_SIZE(venc->ref)) {
1013 		dev_err(inst->dev, "[%d] ref num(%d) is out of range\n", inst->id, ref_frame_num);
1014 		return;
1015 	}
1016 	if (act_frame_num > ARRAY_SIZE(venc->act)) {
1017 		dev_err(inst->dev, "[%d] act num(%d) is out of range\n", inst->id, act_frame_num);
1018 		return;
1019 	}
1020 
1021 	for (i = 0; i < enc_frame_num; i++) {
1022 		venc->enc[i].length = enc_frame_size;
1023 		ret = vpu_alloc_dma(inst->core, &venc->enc[i]);
1024 		if (ret) {
1025 			venc_cleanup_mem_resource(inst);
1026 			return;
1027 		}
1028 	}
1029 	for (i = 0; i < ref_frame_num; i++) {
1030 		venc->ref[i].length = ref_frame_size;
1031 		ret = vpu_alloc_dma(inst->core, &venc->ref[i]);
1032 		if (ret) {
1033 			venc_cleanup_mem_resource(inst);
1034 			return;
1035 		}
1036 	}
1037 	if (act_frame_num != 1 || act_frame_size > inst->act.length) {
1038 		venc_cleanup_mem_resource(inst);
1039 		return;
1040 	}
1041 	venc->act[0].length = act_frame_size;
1042 	venc->act[0].phys = inst->act.phys;
1043 	venc->act[0].virt = inst->act.virt;
1044 
1045 	for (i = 0; i < enc_frame_num; i++)
1046 		vpu_iface_config_memory_resource(inst, MEM_RES_ENC, i, &venc->enc[i]);
1047 	for (i = 0; i < ref_frame_num; i++)
1048 		vpu_iface_config_memory_resource(inst, MEM_RES_REF, i, &venc->ref[i]);
1049 	for (i = 0; i < act_frame_num; i++)
1050 		vpu_iface_config_memory_resource(inst, MEM_RES_ACT, i, &venc->act[i]);
1051 }
1052 
venc_cleanup_frames(struct venc_t * venc)1053 static void venc_cleanup_frames(struct venc_t *venc)
1054 {
1055 	struct venc_frame_t *frame;
1056 	struct venc_frame_t *tmp;
1057 
1058 	list_for_each_entry_safe(frame, tmp, &venc->frames, list) {
1059 		list_del_init(&frame->list);
1060 		vfree(frame);
1061 	}
1062 }
1063 
venc_stop_session(struct vpu_inst * inst,u32 type)1064 static int venc_stop_session(struct vpu_inst *inst, u32 type)
1065 {
1066 	struct venc_t *venc = inst->priv;
1067 
1068 	venc_set_enable(venc, type, 0);
1069 	if (venc->enable & VENC_ENABLE_MASK)
1070 		return 0;
1071 
1072 	if (inst->state == VPU_CODEC_STATE_DEINIT)
1073 		return 0;
1074 
1075 	if (inst->state != VPU_CODEC_STATE_STOP)
1076 		venc_request_eos(inst);
1077 
1078 	call_void_vop(inst, wait_prepare);
1079 	if (!wait_event_timeout(venc->wq, venc->stopped, VPU_TIMEOUT)) {
1080 		set_bit(inst->id, &inst->core->hang_mask);
1081 		vpu_session_debug(inst);
1082 	}
1083 	call_void_vop(inst, wait_finish);
1084 
1085 	inst->state = VPU_CODEC_STATE_DEINIT;
1086 	venc_cleanup_frames(inst->priv);
1087 	vpu_free_dma(&inst->stream_buffer);
1088 	venc_cleanup_mem_resource(inst);
1089 
1090 	return 0;
1091 }
1092 
venc_process_output(struct vpu_inst * inst,struct vb2_buffer * vb)1093 static int venc_process_output(struct vpu_inst *inst, struct vb2_buffer *vb)
1094 {
1095 	struct venc_t *venc = inst->priv;
1096 	struct vb2_v4l2_buffer *vbuf;
1097 	u32 flags;
1098 
1099 	if (inst->state == VPU_CODEC_STATE_DEINIT)
1100 		return -EINVAL;
1101 
1102 	vbuf = to_vb2_v4l2_buffer(vb);
1103 	if (inst->state == VPU_CODEC_STATE_STARTED)
1104 		inst->state = VPU_CODEC_STATE_ACTIVE;
1105 
1106 	flags = vbuf->flags;
1107 	if (venc->request_key_frame) {
1108 		vbuf->flags |= V4L2_BUF_FLAG_KEYFRAME;
1109 		venc->request_key_frame = 0;
1110 	}
1111 	if (venc->bitrate_change) {
1112 		vpu_session_update_parameters(inst, &venc->params);
1113 		venc->bitrate_change = false;
1114 	}
1115 	dev_dbg(inst->dev, "[%d][INPUT  TS]%32lld\n", inst->id, vb->timestamp);
1116 	vpu_iface_input_frame(inst, vb);
1117 	vbuf->flags = flags;
1118 	venc->input_ready = false;
1119 	venc->frame_count++;
1120 	vpu_set_buffer_state(vbuf, VPU_BUF_STATE_INUSE);
1121 
1122 	return 0;
1123 }
1124 
venc_process_capture(struct vpu_inst * inst,struct vb2_buffer * vb)1125 static int venc_process_capture(struct vpu_inst *inst, struct vb2_buffer *vb)
1126 {
1127 	struct venc_t *venc;
1128 	struct venc_frame_t *frame = NULL;
1129 	struct vb2_v4l2_buffer *vbuf;
1130 	int ret;
1131 
1132 	venc = inst->priv;
1133 	if (list_empty(&venc->frames))
1134 		return -EINVAL;
1135 
1136 	frame = list_first_entry(&venc->frames, struct venc_frame_t, list);
1137 	vbuf = to_vb2_v4l2_buffer(vb);
1138 	v4l2_m2m_dst_buf_remove_by_buf(inst->fh.m2m_ctx, vbuf);
1139 	ret = venc_get_one_encoded_frame(inst, frame, vbuf);
1140 	if (ret)
1141 		return ret;
1142 
1143 	list_del_init(&frame->list);
1144 	vfree(frame);
1145 	return 0;
1146 }
1147 
venc_on_queue_empty(struct vpu_inst * inst,u32 type)1148 static void venc_on_queue_empty(struct vpu_inst *inst, u32 type)
1149 {
1150 	struct venc_t *venc = inst->priv;
1151 
1152 	if (V4L2_TYPE_IS_OUTPUT(type))
1153 		return;
1154 
1155 	if (venc->stopped)
1156 		venc_set_last_buffer_dequeued(inst);
1157 }
1158 
venc_get_debug_info(struct vpu_inst * inst,char * str,u32 size,u32 i)1159 static int venc_get_debug_info(struct vpu_inst *inst, char *str, u32 size, u32 i)
1160 {
1161 	struct venc_t *venc = inst->priv;
1162 	int num = -1;
1163 
1164 	switch (i) {
1165 	case 0:
1166 		num = scnprintf(str, size, "profile = %d\n", venc->params.profile);
1167 		break;
1168 	case 1:
1169 		num = scnprintf(str, size, "level = %d\n", venc->params.level);
1170 		break;
1171 	case 2:
1172 		num = scnprintf(str, size, "fps = %d/%d\n",
1173 				venc->params.frame_rate.numerator,
1174 				venc->params.frame_rate.denominator);
1175 		break;
1176 	case 3:
1177 		num = scnprintf(str, size, "%d x %d -> %d x %d\n",
1178 				venc->params.src_width,
1179 				venc->params.src_height,
1180 				venc->params.out_width,
1181 				venc->params.out_height);
1182 		break;
1183 	case 4:
1184 		num = scnprintf(str, size, "(%d, %d)  %d x %d\n",
1185 				venc->params.crop.left,
1186 				venc->params.crop.top,
1187 				venc->params.crop.width,
1188 				venc->params.crop.height);
1189 		break;
1190 	case 5:
1191 		num = scnprintf(str, size,
1192 				"enable = 0x%x, input = %d, encode = %d, ready = %d, stopped = %d\n",
1193 				venc->enable,
1194 				venc->frame_count, venc->encode_count,
1195 				venc->ready_count,
1196 				venc->stopped);
1197 		break;
1198 	case 6:
1199 		num = scnprintf(str, size, "gop = %d\n", venc->params.gop_length);
1200 		break;
1201 	case 7:
1202 		num = scnprintf(str, size, "bframes = %d\n", venc->params.bframes);
1203 		break;
1204 	case 8:
1205 		num = scnprintf(str, size, "rc: %s, mode = %d, bitrate = %d(%d), qp = %d\n",
1206 				venc->params.rc_enable ? "enable" : "disable",
1207 				venc->params.rc_mode,
1208 				venc->params.bitrate,
1209 				venc->params.bitrate_max,
1210 				venc->params.i_frame_qp);
1211 		break;
1212 	case 9:
1213 		num = scnprintf(str, size, "sar: enable = %d, idc = %d, %d x %d\n",
1214 				venc->params.sar.enable,
1215 				venc->params.sar.idc,
1216 				venc->params.sar.width,
1217 				venc->params.sar.height);
1218 
1219 		break;
1220 	case 10:
1221 		num = scnprintf(str, size,
1222 				"colorspace: primaries = %d, transfer = %d, matrix = %d, full_range = %d\n",
1223 				venc->params.color.primaries,
1224 				venc->params.color.transfer,
1225 				venc->params.color.matrix,
1226 				venc->params.color.full_range);
1227 		break;
1228 	case 11:
1229 		num = scnprintf(str, size, "skipped: count = %d, bytes = %d\n",
1230 				venc->skipped_count, venc->skipped_bytes);
1231 		break;
1232 	default:
1233 		break;
1234 	}
1235 
1236 	return num;
1237 }
1238 
1239 static struct vpu_inst_ops venc_inst_ops = {
1240 	.ctrl_init = venc_ctrl_init,
1241 	.check_ready = venc_check_ready,
1242 	.input_done = venc_input_done,
1243 	.get_one_frame = venc_frame_encoded,
1244 	.stop_done = venc_stop_done,
1245 	.event_notify = venc_event_notify,
1246 	.release = venc_release,
1247 	.cleanup = venc_cleanup,
1248 	.start = venc_start_session,
1249 	.mem_request = venc_request_mem_resource,
1250 	.stop = venc_stop_session,
1251 	.process_output = venc_process_output,
1252 	.process_capture = venc_process_capture,
1253 	.on_queue_empty = venc_on_queue_empty,
1254 	.get_debug_info = venc_get_debug_info,
1255 	.wait_prepare = vpu_inst_unlock,
1256 	.wait_finish = vpu_inst_lock,
1257 };
1258 
venc_init(struct file * file)1259 static void venc_init(struct file *file)
1260 {
1261 	struct vpu_inst *inst = to_inst(file);
1262 	struct venc_t *venc;
1263 	struct v4l2_format f;
1264 	struct v4l2_streamparm parm;
1265 
1266 	venc = inst->priv;
1267 	venc->params.qp_min = 1;
1268 	venc->params.qp_max = 51;
1269 	venc->params.qp_min_i = 1;
1270 	venc->params.qp_max_i = 51;
1271 	venc->params.bitrate_min = BITRATE_MIN;
1272 
1273 	memset(&f, 0, sizeof(f));
1274 	f.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
1275 	f.fmt.pix_mp.pixelformat = V4L2_PIX_FMT_NV12M;
1276 	f.fmt.pix_mp.width = 1280;
1277 	f.fmt.pix_mp.height = 720;
1278 	f.fmt.pix_mp.field = V4L2_FIELD_NONE;
1279 	venc_s_fmt(file, &inst->fh, &f);
1280 
1281 	memset(&f, 0, sizeof(f));
1282 	f.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
1283 	f.fmt.pix_mp.pixelformat = V4L2_PIX_FMT_H264;
1284 	f.fmt.pix_mp.width = 1280;
1285 	f.fmt.pix_mp.height = 720;
1286 	f.fmt.pix_mp.field = V4L2_FIELD_NONE;
1287 	venc_s_fmt(file, &inst->fh, &f);
1288 
1289 	memset(&parm, 0, sizeof(parm));
1290 	parm.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
1291 	parm.parm.capture.timeperframe.numerator = 1;
1292 	parm.parm.capture.timeperframe.denominator = 30;
1293 	venc_s_parm(file, &inst->fh, &parm);
1294 }
1295 
venc_open(struct file * file)1296 static int venc_open(struct file *file)
1297 {
1298 	struct vpu_inst *inst;
1299 	struct venc_t *venc;
1300 	int ret;
1301 
1302 	inst = vzalloc(sizeof(*inst));
1303 	if (!inst)
1304 		return -ENOMEM;
1305 
1306 	venc = vzalloc(sizeof(*venc));
1307 	if (!venc) {
1308 		vfree(inst);
1309 		return -ENOMEM;
1310 	}
1311 
1312 	inst->ops = &venc_inst_ops;
1313 	inst->formats = venc_formats;
1314 	inst->type = VPU_CORE_TYPE_ENC;
1315 	inst->priv = venc;
1316 	INIT_LIST_HEAD(&venc->frames);
1317 	init_waitqueue_head(&venc->wq);
1318 
1319 	ret = vpu_v4l2_open(file, inst);
1320 	if (ret)
1321 		return ret;
1322 
1323 	inst->min_buffer_out = VENC_MIN_BUFFER_OUT;
1324 	inst->min_buffer_cap = VENC_MIN_BUFFER_CAP;
1325 	venc_init(file);
1326 
1327 	return 0;
1328 }
1329 
1330 static const struct v4l2_file_operations venc_fops = {
1331 	.owner = THIS_MODULE,
1332 	.open = venc_open,
1333 	.release = vpu_v4l2_close,
1334 	.unlocked_ioctl = video_ioctl2,
1335 	.poll = v4l2_m2m_fop_poll,
1336 	.mmap = v4l2_m2m_fop_mmap,
1337 };
1338 
venc_get_ioctl_ops(void)1339 const struct v4l2_ioctl_ops *venc_get_ioctl_ops(void)
1340 {
1341 	return &venc_ioctl_ops;
1342 }
1343 
venc_get_fops(void)1344 const struct v4l2_file_operations *venc_get_fops(void)
1345 {
1346 	return &venc_fops;
1347 }
1348