1 // SPDX-License-Identifier: GPL-2.0
2 /*
3 * Copyright (c) 2016 MediaTek Inc.
4 * Author: PC Chen <pc.chen@mediatek.com>
5 * Tiffany Lin <tiffany.lin@mediatek.com>
6 */
7
8 #include <media/v4l2-event.h>
9 #include <media/v4l2-mem2mem.h>
10 #include <media/videobuf2-dma-contig.h>
11 #include <soc/mediatek/smi.h>
12 #include <linux/pm_runtime.h>
13
14 #include "mtk_vcodec_drv.h"
15 #include "mtk_vcodec_enc.h"
16 #include "mtk_vcodec_intr.h"
17 #include "mtk_vcodec_util.h"
18 #include "venc_drv_if.h"
19
20 #define MTK_VENC_MIN_W 160U
21 #define MTK_VENC_MIN_H 128U
22 #define MTK_VENC_HD_MAX_W 1920U
23 #define MTK_VENC_HD_MAX_H 1088U
24 #define MTK_VENC_4K_MAX_W 3840U
25 #define MTK_VENC_4K_MAX_H 2176U
26
27 #define DFT_CFG_WIDTH MTK_VENC_MIN_W
28 #define DFT_CFG_HEIGHT MTK_VENC_MIN_H
29 #define MTK_MAX_CTRLS_HINT 20
30
31 #define MTK_DEFAULT_FRAMERATE_NUM 1001
32 #define MTK_DEFAULT_FRAMERATE_DENOM 30000
33 #define MTK_VENC_4K_CAPABILITY_ENABLE BIT(0)
34
35 static void mtk_venc_worker(struct work_struct *work);
36
37 static const struct v4l2_frmsize_stepwise mtk_venc_hd_framesizes = {
38 MTK_VENC_MIN_W, MTK_VENC_HD_MAX_W, 16,
39 MTK_VENC_MIN_H, MTK_VENC_HD_MAX_H, 16,
40 };
41
42 static const struct v4l2_frmsize_stepwise mtk_venc_4k_framesizes = {
43 MTK_VENC_MIN_W, MTK_VENC_4K_MAX_W, 16,
44 MTK_VENC_MIN_H, MTK_VENC_4K_MAX_H, 16,
45 };
46
vidioc_venc_s_ctrl(struct v4l2_ctrl * ctrl)47 static int vidioc_venc_s_ctrl(struct v4l2_ctrl *ctrl)
48 {
49 struct mtk_vcodec_ctx *ctx = ctrl_to_ctx(ctrl);
50 struct mtk_enc_params *p = &ctx->enc_params;
51 int ret = 0;
52
53 switch (ctrl->id) {
54 case V4L2_CID_MPEG_VIDEO_BITRATE:
55 mtk_v4l2_debug(2, "V4L2_CID_MPEG_VIDEO_BITRATE val = %d",
56 ctrl->val);
57 p->bitrate = ctrl->val;
58 ctx->param_change |= MTK_ENCODE_PARAM_BITRATE;
59 break;
60 case V4L2_CID_MPEG_VIDEO_B_FRAMES:
61 mtk_v4l2_debug(2, "V4L2_CID_MPEG_VIDEO_B_FRAMES val = %d",
62 ctrl->val);
63 p->num_b_frame = ctrl->val;
64 break;
65 case V4L2_CID_MPEG_VIDEO_FRAME_RC_ENABLE:
66 mtk_v4l2_debug(2, "V4L2_CID_MPEG_VIDEO_FRAME_RC_ENABLE val = %d",
67 ctrl->val);
68 p->rc_frame = ctrl->val;
69 break;
70 case V4L2_CID_MPEG_VIDEO_H264_MAX_QP:
71 mtk_v4l2_debug(2, "V4L2_CID_MPEG_VIDEO_H264_MAX_QP val = %d",
72 ctrl->val);
73 p->h264_max_qp = ctrl->val;
74 break;
75 case V4L2_CID_MPEG_VIDEO_HEADER_MODE:
76 mtk_v4l2_debug(2, "V4L2_CID_MPEG_VIDEO_HEADER_MODE val = %d",
77 ctrl->val);
78 p->seq_hdr_mode = ctrl->val;
79 break;
80 case V4L2_CID_MPEG_VIDEO_MB_RC_ENABLE:
81 mtk_v4l2_debug(2, "V4L2_CID_MPEG_VIDEO_MB_RC_ENABLE val = %d",
82 ctrl->val);
83 p->rc_mb = ctrl->val;
84 break;
85 case V4L2_CID_MPEG_VIDEO_H264_PROFILE:
86 mtk_v4l2_debug(2, "V4L2_CID_MPEG_VIDEO_H264_PROFILE val = %d",
87 ctrl->val);
88 p->h264_profile = ctrl->val;
89 break;
90 case V4L2_CID_MPEG_VIDEO_H264_LEVEL:
91 mtk_v4l2_debug(2, "V4L2_CID_MPEG_VIDEO_H264_LEVEL val = %d",
92 ctrl->val);
93 p->h264_level = ctrl->val;
94 break;
95 case V4L2_CID_MPEG_VIDEO_H264_I_PERIOD:
96 mtk_v4l2_debug(2, "V4L2_CID_MPEG_VIDEO_H264_I_PERIOD val = %d",
97 ctrl->val);
98 p->intra_period = ctrl->val;
99 ctx->param_change |= MTK_ENCODE_PARAM_INTRA_PERIOD;
100 break;
101 case V4L2_CID_MPEG_VIDEO_GOP_SIZE:
102 mtk_v4l2_debug(2, "V4L2_CID_MPEG_VIDEO_GOP_SIZE val = %d",
103 ctrl->val);
104 p->gop_size = ctrl->val;
105 ctx->param_change |= MTK_ENCODE_PARAM_GOP_SIZE;
106 break;
107 case V4L2_CID_MPEG_VIDEO_FORCE_KEY_FRAME:
108 mtk_v4l2_debug(2, "V4L2_CID_MPEG_VIDEO_FORCE_KEY_FRAME");
109 p->force_intra = 1;
110 ctx->param_change |= MTK_ENCODE_PARAM_FORCE_INTRA;
111 break;
112 default:
113 ret = -EINVAL;
114 break;
115 }
116
117 return ret;
118 }
119
120 static const struct v4l2_ctrl_ops mtk_vcodec_enc_ctrl_ops = {
121 .s_ctrl = vidioc_venc_s_ctrl,
122 };
123
vidioc_enum_fmt(struct v4l2_fmtdesc * f,const struct mtk_video_fmt * formats,size_t num_formats)124 static int vidioc_enum_fmt(struct v4l2_fmtdesc *f,
125 const struct mtk_video_fmt *formats,
126 size_t num_formats)
127 {
128 if (f->index >= num_formats)
129 return -EINVAL;
130
131 f->pixelformat = formats[f->index].fourcc;
132
133 return 0;
134 }
135
136 static const struct mtk_video_fmt *
mtk_venc_find_format(u32 fourcc,const struct mtk_vcodec_enc_pdata * pdata)137 mtk_venc_find_format(u32 fourcc, const struct mtk_vcodec_enc_pdata *pdata)
138 {
139 const struct mtk_video_fmt *fmt;
140 unsigned int k;
141
142 for (k = 0; k < pdata->num_capture_formats; k++) {
143 fmt = &pdata->capture_formats[k];
144 if (fmt->fourcc == fourcc)
145 return fmt;
146 }
147
148 for (k = 0; k < pdata->num_output_formats; k++) {
149 fmt = &pdata->output_formats[k];
150 if (fmt->fourcc == fourcc)
151 return fmt;
152 }
153
154 return NULL;
155 }
156
vidioc_enum_framesizes(struct file * file,void * fh,struct v4l2_frmsizeenum * fsize)157 static int vidioc_enum_framesizes(struct file *file, void *fh,
158 struct v4l2_frmsizeenum *fsize)
159 {
160 const struct mtk_video_fmt *fmt;
161 struct mtk_vcodec_ctx *ctx = fh_to_ctx(fh);
162
163 if (fsize->index != 0)
164 return -EINVAL;
165
166 fmt = mtk_venc_find_format(fsize->pixel_format,
167 ctx->dev->venc_pdata);
168 if (!fmt)
169 return -EINVAL;
170
171 fsize->type = V4L2_FRMSIZE_TYPE_STEPWISE;
172
173 if (ctx->dev->enc_capability & MTK_VENC_4K_CAPABILITY_ENABLE)
174 fsize->stepwise = mtk_venc_4k_framesizes;
175 else
176 fsize->stepwise = mtk_venc_hd_framesizes;
177
178 return 0;
179 }
180
vidioc_enum_fmt_vid_cap(struct file * file,void * priv,struct v4l2_fmtdesc * f)181 static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv,
182 struct v4l2_fmtdesc *f)
183 {
184 const struct mtk_vcodec_enc_pdata *pdata =
185 fh_to_ctx(priv)->dev->venc_pdata;
186
187 return vidioc_enum_fmt(f, pdata->capture_formats,
188 pdata->num_capture_formats);
189 }
190
vidioc_enum_fmt_vid_out(struct file * file,void * priv,struct v4l2_fmtdesc * f)191 static int vidioc_enum_fmt_vid_out(struct file *file, void *priv,
192 struct v4l2_fmtdesc *f)
193 {
194 const struct mtk_vcodec_enc_pdata *pdata =
195 fh_to_ctx(priv)->dev->venc_pdata;
196
197 return vidioc_enum_fmt(f, pdata->output_formats,
198 pdata->num_output_formats);
199 }
200
vidioc_venc_querycap(struct file * file,void * priv,struct v4l2_capability * cap)201 static int vidioc_venc_querycap(struct file *file, void *priv,
202 struct v4l2_capability *cap)
203 {
204 strscpy(cap->driver, MTK_VCODEC_ENC_NAME, sizeof(cap->driver));
205 strscpy(cap->bus_info, MTK_PLATFORM_STR, sizeof(cap->bus_info));
206 strscpy(cap->card, MTK_PLATFORM_STR, sizeof(cap->card));
207
208 return 0;
209 }
210
vidioc_venc_s_parm(struct file * file,void * priv,struct v4l2_streamparm * a)211 static int vidioc_venc_s_parm(struct file *file, void *priv,
212 struct v4l2_streamparm *a)
213 {
214 struct mtk_vcodec_ctx *ctx = fh_to_ctx(priv);
215 struct v4l2_fract *timeperframe = &a->parm.output.timeperframe;
216
217 if (a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
218 return -EINVAL;
219
220 if (timeperframe->numerator == 0 || timeperframe->denominator == 0) {
221 timeperframe->numerator = MTK_DEFAULT_FRAMERATE_NUM;
222 timeperframe->denominator = MTK_DEFAULT_FRAMERATE_DENOM;
223 }
224
225 ctx->enc_params.framerate_num = timeperframe->denominator;
226 ctx->enc_params.framerate_denom = timeperframe->numerator;
227 ctx->param_change |= MTK_ENCODE_PARAM_FRAMERATE;
228
229 a->parm.output.capability = V4L2_CAP_TIMEPERFRAME;
230
231 return 0;
232 }
233
vidioc_venc_g_parm(struct file * file,void * priv,struct v4l2_streamparm * a)234 static int vidioc_venc_g_parm(struct file *file, void *priv,
235 struct v4l2_streamparm *a)
236 {
237 struct mtk_vcodec_ctx *ctx = fh_to_ctx(priv);
238
239 if (a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
240 return -EINVAL;
241
242 a->parm.output.capability = V4L2_CAP_TIMEPERFRAME;
243 a->parm.output.timeperframe.denominator =
244 ctx->enc_params.framerate_num;
245 a->parm.output.timeperframe.numerator =
246 ctx->enc_params.framerate_denom;
247
248 return 0;
249 }
250
mtk_venc_get_q_data(struct mtk_vcodec_ctx * ctx,enum v4l2_buf_type type)251 static struct mtk_q_data *mtk_venc_get_q_data(struct mtk_vcodec_ctx *ctx,
252 enum v4l2_buf_type type)
253 {
254 if (V4L2_TYPE_IS_OUTPUT(type))
255 return &ctx->q_data[MTK_Q_DATA_SRC];
256
257 return &ctx->q_data[MTK_Q_DATA_DST];
258 }
259
260 /* V4L2 specification suggests the driver corrects the format struct if any of
261 * the dimensions is unsupported
262 */
vidioc_try_fmt(struct mtk_vcodec_ctx * ctx,struct v4l2_format * f,const struct mtk_video_fmt * fmt)263 static int vidioc_try_fmt(struct mtk_vcodec_ctx *ctx, struct v4l2_format *f,
264 const struct mtk_video_fmt *fmt)
265 {
266 struct v4l2_pix_format_mplane *pix_fmt_mp = &f->fmt.pix_mp;
267
268 pix_fmt_mp->field = V4L2_FIELD_NONE;
269
270 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
271 pix_fmt_mp->num_planes = 1;
272 pix_fmt_mp->plane_fmt[0].bytesperline = 0;
273 } else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
274 int tmp_w, tmp_h;
275 unsigned int max_width, max_height;
276
277 if (ctx->dev->enc_capability & MTK_VENC_4K_CAPABILITY_ENABLE) {
278 max_width = MTK_VENC_4K_MAX_W;
279 max_height = MTK_VENC_4K_MAX_H;
280 } else {
281 max_width = MTK_VENC_HD_MAX_W;
282 max_height = MTK_VENC_HD_MAX_H;
283 }
284
285 pix_fmt_mp->height = clamp(pix_fmt_mp->height,
286 MTK_VENC_MIN_H,
287 max_height);
288 pix_fmt_mp->width = clamp(pix_fmt_mp->width,
289 MTK_VENC_MIN_W,
290 max_width);
291
292 /* find next closer width align 16, heign align 32, size align
293 * 64 rectangle
294 */
295 tmp_w = pix_fmt_mp->width;
296 tmp_h = pix_fmt_mp->height;
297 v4l_bound_align_image(&pix_fmt_mp->width,
298 MTK_VENC_MIN_W,
299 max_width, 4,
300 &pix_fmt_mp->height,
301 MTK_VENC_MIN_H,
302 max_height, 5, 6);
303
304 if (pix_fmt_mp->width < tmp_w &&
305 (pix_fmt_mp->width + 16) <= max_width)
306 pix_fmt_mp->width += 16;
307 if (pix_fmt_mp->height < tmp_h &&
308 (pix_fmt_mp->height + 32) <= max_height)
309 pix_fmt_mp->height += 32;
310
311 mtk_v4l2_debug(0,
312 "before resize width=%d, height=%d, after resize width=%d, height=%d, sizeimage=%d %d",
313 tmp_w, tmp_h, pix_fmt_mp->width,
314 pix_fmt_mp->height,
315 pix_fmt_mp->plane_fmt[0].sizeimage,
316 pix_fmt_mp->plane_fmt[1].sizeimage);
317
318 pix_fmt_mp->num_planes = fmt->num_planes;
319 pix_fmt_mp->plane_fmt[0].sizeimage =
320 pix_fmt_mp->width * pix_fmt_mp->height +
321 ((ALIGN(pix_fmt_mp->width, 16) * 2) * 16);
322 pix_fmt_mp->plane_fmt[0].bytesperline = pix_fmt_mp->width;
323
324 if (pix_fmt_mp->num_planes == 2) {
325 pix_fmt_mp->plane_fmt[1].sizeimage =
326 (pix_fmt_mp->width * pix_fmt_mp->height) / 2 +
327 (ALIGN(pix_fmt_mp->width, 16) * 16);
328 pix_fmt_mp->plane_fmt[2].sizeimage = 0;
329 pix_fmt_mp->plane_fmt[1].bytesperline =
330 pix_fmt_mp->width;
331 pix_fmt_mp->plane_fmt[2].bytesperline = 0;
332 } else if (pix_fmt_mp->num_planes == 3) {
333 pix_fmt_mp->plane_fmt[1].sizeimage =
334 pix_fmt_mp->plane_fmt[2].sizeimage =
335 (pix_fmt_mp->width * pix_fmt_mp->height) / 4 +
336 ((ALIGN(pix_fmt_mp->width, 16) / 2) * 16);
337 pix_fmt_mp->plane_fmt[1].bytesperline =
338 pix_fmt_mp->plane_fmt[2].bytesperline =
339 pix_fmt_mp->width / 2;
340 }
341 }
342
343 pix_fmt_mp->flags = 0;
344
345 return 0;
346 }
347
mtk_venc_set_param(struct mtk_vcodec_ctx * ctx,struct venc_enc_param * param)348 static void mtk_venc_set_param(struct mtk_vcodec_ctx *ctx,
349 struct venc_enc_param *param)
350 {
351 struct mtk_q_data *q_data_src = &ctx->q_data[MTK_Q_DATA_SRC];
352 struct mtk_enc_params *enc_params = &ctx->enc_params;
353
354 switch (q_data_src->fmt->fourcc) {
355 case V4L2_PIX_FMT_YUV420M:
356 param->input_yuv_fmt = VENC_YUV_FORMAT_I420;
357 break;
358 case V4L2_PIX_FMT_YVU420M:
359 param->input_yuv_fmt = VENC_YUV_FORMAT_YV12;
360 break;
361 case V4L2_PIX_FMT_NV12M:
362 param->input_yuv_fmt = VENC_YUV_FORMAT_NV12;
363 break;
364 case V4L2_PIX_FMT_NV21M:
365 param->input_yuv_fmt = VENC_YUV_FORMAT_NV21;
366 break;
367 default:
368 mtk_v4l2_err("Unsupported fourcc =%d", q_data_src->fmt->fourcc);
369 break;
370 }
371 param->h264_profile = enc_params->h264_profile;
372 param->h264_level = enc_params->h264_level;
373
374 /* Config visible resolution */
375 param->width = q_data_src->visible_width;
376 param->height = q_data_src->visible_height;
377 /* Config coded resolution */
378 param->buf_width = q_data_src->coded_width;
379 param->buf_height = q_data_src->coded_height;
380 param->frm_rate = enc_params->framerate_num /
381 enc_params->framerate_denom;
382 param->intra_period = enc_params->intra_period;
383 param->gop_size = enc_params->gop_size;
384 param->bitrate = enc_params->bitrate;
385
386 mtk_v4l2_debug(0,
387 "fmt 0x%x, P/L %d/%d, w/h %d/%d, buf %d/%d, fps/bps %d/%d, gop %d, i_period %d",
388 param->input_yuv_fmt, param->h264_profile,
389 param->h264_level, param->width, param->height,
390 param->buf_width, param->buf_height,
391 param->frm_rate, param->bitrate,
392 param->gop_size, param->intra_period);
393 }
394
vidioc_venc_s_fmt_cap(struct file * file,void * priv,struct v4l2_format * f)395 static int vidioc_venc_s_fmt_cap(struct file *file, void *priv,
396 struct v4l2_format *f)
397 {
398 struct mtk_vcodec_ctx *ctx = fh_to_ctx(priv);
399 const struct mtk_vcodec_enc_pdata *pdata = ctx->dev->venc_pdata;
400 struct vb2_queue *vq;
401 struct mtk_q_data *q_data;
402 int i, ret;
403 const struct mtk_video_fmt *fmt;
404
405 vq = v4l2_m2m_get_vq(ctx->m2m_ctx, f->type);
406 if (!vq) {
407 mtk_v4l2_err("fail to get vq");
408 return -EINVAL;
409 }
410
411 if (vb2_is_busy(vq)) {
412 mtk_v4l2_err("queue busy");
413 return -EBUSY;
414 }
415
416 q_data = mtk_venc_get_q_data(ctx, f->type);
417 if (!q_data) {
418 mtk_v4l2_err("fail to get q data");
419 return -EINVAL;
420 }
421
422 fmt = mtk_venc_find_format(f->fmt.pix.pixelformat, pdata);
423 if (!fmt) {
424 fmt = &ctx->dev->venc_pdata->capture_formats[0];
425 f->fmt.pix.pixelformat = fmt->fourcc;
426 }
427
428 q_data->fmt = fmt;
429 ret = vidioc_try_fmt(ctx, f, q_data->fmt);
430 if (ret)
431 return ret;
432
433 q_data->coded_width = f->fmt.pix_mp.width;
434 q_data->coded_height = f->fmt.pix_mp.height;
435 q_data->field = f->fmt.pix_mp.field;
436
437 for (i = 0; i < f->fmt.pix_mp.num_planes; i++) {
438 struct v4l2_plane_pix_format *plane_fmt;
439
440 plane_fmt = &f->fmt.pix_mp.plane_fmt[i];
441 q_data->bytesperline[i] = plane_fmt->bytesperline;
442 q_data->sizeimage[i] = plane_fmt->sizeimage;
443 }
444
445 if (ctx->state == MTK_STATE_FREE) {
446 ret = venc_if_init(ctx, q_data->fmt->fourcc);
447 if (ret) {
448 mtk_v4l2_err("venc_if_init failed=%d, codec type=%x",
449 ret, q_data->fmt->fourcc);
450 return -EBUSY;
451 }
452 ctx->state = MTK_STATE_INIT;
453 }
454
455 return 0;
456 }
457
vidioc_venc_s_fmt_out(struct file * file,void * priv,struct v4l2_format * f)458 static int vidioc_venc_s_fmt_out(struct file *file, void *priv,
459 struct v4l2_format *f)
460 {
461 struct mtk_vcodec_ctx *ctx = fh_to_ctx(priv);
462 const struct mtk_vcodec_enc_pdata *pdata = ctx->dev->venc_pdata;
463 struct vb2_queue *vq;
464 struct mtk_q_data *q_data;
465 int ret, i;
466 const struct mtk_video_fmt *fmt;
467
468 vq = v4l2_m2m_get_vq(ctx->m2m_ctx, f->type);
469 if (!vq) {
470 mtk_v4l2_err("fail to get vq");
471 return -EINVAL;
472 }
473
474 if (vb2_is_busy(vq)) {
475 mtk_v4l2_err("queue busy");
476 return -EBUSY;
477 }
478
479 q_data = mtk_venc_get_q_data(ctx, f->type);
480 if (!q_data) {
481 mtk_v4l2_err("fail to get q data");
482 return -EINVAL;
483 }
484
485 fmt = mtk_venc_find_format(f->fmt.pix.pixelformat, pdata);
486 if (!fmt) {
487 fmt = &ctx->dev->venc_pdata->output_formats[0];
488 f->fmt.pix.pixelformat = fmt->fourcc;
489 }
490
491 ret = vidioc_try_fmt(ctx, f, fmt);
492 if (ret)
493 return ret;
494
495 q_data->fmt = fmt;
496 q_data->visible_width = f->fmt.pix_mp.width;
497 q_data->visible_height = f->fmt.pix_mp.height;
498 q_data->coded_width = f->fmt.pix_mp.width;
499 q_data->coded_height = f->fmt.pix_mp.height;
500
501 q_data->field = f->fmt.pix_mp.field;
502 ctx->colorspace = f->fmt.pix_mp.colorspace;
503 ctx->ycbcr_enc = f->fmt.pix_mp.ycbcr_enc;
504 ctx->quantization = f->fmt.pix_mp.quantization;
505 ctx->xfer_func = f->fmt.pix_mp.xfer_func;
506
507 for (i = 0; i < f->fmt.pix_mp.num_planes; i++) {
508 struct v4l2_plane_pix_format *plane_fmt;
509
510 plane_fmt = &f->fmt.pix_mp.plane_fmt[i];
511 q_data->bytesperline[i] = plane_fmt->bytesperline;
512 q_data->sizeimage[i] = plane_fmt->sizeimage;
513 }
514
515 return 0;
516 }
517
vidioc_venc_g_fmt(struct file * file,void * priv,struct v4l2_format * f)518 static int vidioc_venc_g_fmt(struct file *file, void *priv,
519 struct v4l2_format *f)
520 {
521 struct v4l2_pix_format_mplane *pix = &f->fmt.pix_mp;
522 struct mtk_vcodec_ctx *ctx = fh_to_ctx(priv);
523 struct vb2_queue *vq;
524 struct mtk_q_data *q_data;
525 int i;
526
527 vq = v4l2_m2m_get_vq(ctx->m2m_ctx, f->type);
528 if (!vq)
529 return -EINVAL;
530
531 q_data = mtk_venc_get_q_data(ctx, f->type);
532
533 pix->width = q_data->coded_width;
534 pix->height = q_data->coded_height;
535 pix->pixelformat = q_data->fmt->fourcc;
536 pix->field = q_data->field;
537 pix->num_planes = q_data->fmt->num_planes;
538 for (i = 0; i < pix->num_planes; i++) {
539 pix->plane_fmt[i].bytesperline = q_data->bytesperline[i];
540 pix->plane_fmt[i].sizeimage = q_data->sizeimage[i];
541 }
542
543 pix->flags = 0;
544 pix->colorspace = ctx->colorspace;
545 pix->ycbcr_enc = ctx->ycbcr_enc;
546 pix->quantization = ctx->quantization;
547 pix->xfer_func = ctx->xfer_func;
548
549 return 0;
550 }
551
vidioc_try_fmt_vid_cap_mplane(struct file * file,void * priv,struct v4l2_format * f)552 static int vidioc_try_fmt_vid_cap_mplane(struct file *file, void *priv,
553 struct v4l2_format *f)
554 {
555 const struct mtk_video_fmt *fmt;
556 struct mtk_vcodec_ctx *ctx = fh_to_ctx(priv);
557 const struct mtk_vcodec_enc_pdata *pdata = ctx->dev->venc_pdata;
558
559 fmt = mtk_venc_find_format(f->fmt.pix.pixelformat, pdata);
560 if (!fmt) {
561 fmt = &ctx->dev->venc_pdata->capture_formats[0];
562 f->fmt.pix.pixelformat = fmt->fourcc;
563 }
564 f->fmt.pix_mp.colorspace = ctx->colorspace;
565 f->fmt.pix_mp.ycbcr_enc = ctx->ycbcr_enc;
566 f->fmt.pix_mp.quantization = ctx->quantization;
567 f->fmt.pix_mp.xfer_func = ctx->xfer_func;
568
569 return vidioc_try_fmt(ctx, f, fmt);
570 }
571
vidioc_try_fmt_vid_out_mplane(struct file * file,void * priv,struct v4l2_format * f)572 static int vidioc_try_fmt_vid_out_mplane(struct file *file, void *priv,
573 struct v4l2_format *f)
574 {
575 const struct mtk_video_fmt *fmt;
576 struct mtk_vcodec_ctx *ctx = fh_to_ctx(priv);
577 const struct mtk_vcodec_enc_pdata *pdata = ctx->dev->venc_pdata;
578
579 fmt = mtk_venc_find_format(f->fmt.pix.pixelformat, pdata);
580 if (!fmt) {
581 fmt = &ctx->dev->venc_pdata->output_formats[0];
582 f->fmt.pix.pixelformat = fmt->fourcc;
583 }
584 if (!f->fmt.pix_mp.colorspace) {
585 f->fmt.pix_mp.colorspace = V4L2_COLORSPACE_REC709;
586 f->fmt.pix_mp.ycbcr_enc = V4L2_YCBCR_ENC_DEFAULT;
587 f->fmt.pix_mp.quantization = V4L2_QUANTIZATION_DEFAULT;
588 f->fmt.pix_mp.xfer_func = V4L2_XFER_FUNC_DEFAULT;
589 }
590
591 return vidioc_try_fmt(ctx, f, fmt);
592 }
593
vidioc_venc_g_selection(struct file * file,void * priv,struct v4l2_selection * s)594 static int vidioc_venc_g_selection(struct file *file, void *priv,
595 struct v4l2_selection *s)
596 {
597 struct mtk_vcodec_ctx *ctx = fh_to_ctx(priv);
598 struct mtk_q_data *q_data;
599
600 if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
601 return -EINVAL;
602
603 q_data = mtk_venc_get_q_data(ctx, s->type);
604 if (!q_data)
605 return -EINVAL;
606
607 switch (s->target) {
608 case V4L2_SEL_TGT_CROP_DEFAULT:
609 case V4L2_SEL_TGT_CROP_BOUNDS:
610 s->r.top = 0;
611 s->r.left = 0;
612 s->r.width = q_data->coded_width;
613 s->r.height = q_data->coded_height;
614 break;
615 case V4L2_SEL_TGT_CROP:
616 s->r.top = 0;
617 s->r.left = 0;
618 s->r.width = q_data->visible_width;
619 s->r.height = q_data->visible_height;
620 break;
621 default:
622 return -EINVAL;
623 }
624
625 return 0;
626 }
627
vidioc_venc_s_selection(struct file * file,void * priv,struct v4l2_selection * s)628 static int vidioc_venc_s_selection(struct file *file, void *priv,
629 struct v4l2_selection *s)
630 {
631 struct mtk_vcodec_ctx *ctx = fh_to_ctx(priv);
632 struct mtk_q_data *q_data;
633
634 if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
635 return -EINVAL;
636
637 q_data = mtk_venc_get_q_data(ctx, s->type);
638 if (!q_data)
639 return -EINVAL;
640
641 switch (s->target) {
642 case V4L2_SEL_TGT_CROP:
643 /* Only support crop from (0,0) */
644 s->r.top = 0;
645 s->r.left = 0;
646 s->r.width = min(s->r.width, q_data->coded_width);
647 s->r.height = min(s->r.height, q_data->coded_height);
648 q_data->visible_width = s->r.width;
649 q_data->visible_height = s->r.height;
650 break;
651 default:
652 return -EINVAL;
653 }
654 return 0;
655 }
656
vidioc_venc_qbuf(struct file * file,void * priv,struct v4l2_buffer * buf)657 static int vidioc_venc_qbuf(struct file *file, void *priv,
658 struct v4l2_buffer *buf)
659 {
660 struct mtk_vcodec_ctx *ctx = fh_to_ctx(priv);
661
662 if (ctx->state == MTK_STATE_ABORT) {
663 mtk_v4l2_err("[%d] Call on QBUF after unrecoverable error",
664 ctx->id);
665 return -EIO;
666 }
667
668 return v4l2_m2m_qbuf(file, ctx->m2m_ctx, buf);
669 }
670
vidioc_venc_dqbuf(struct file * file,void * priv,struct v4l2_buffer * buf)671 static int vidioc_venc_dqbuf(struct file *file, void *priv,
672 struct v4l2_buffer *buf)
673 {
674 struct mtk_vcodec_ctx *ctx = fh_to_ctx(priv);
675 int ret;
676
677 if (ctx->state == MTK_STATE_ABORT) {
678 mtk_v4l2_err("[%d] Call on QBUF after unrecoverable error",
679 ctx->id);
680 return -EIO;
681 }
682
683 ret = v4l2_m2m_dqbuf(file, ctx->m2m_ctx, buf);
684 if (ret)
685 return ret;
686
687 /*
688 * Complete flush if the user dequeued the 0-payload LAST buffer.
689 * We check the payload because a buffer with the LAST flag can also
690 * be seen during resolution changes. If we happen to be flushing at
691 * that time, the last buffer before the resolution changes could be
692 * misinterpreted for the buffer generated by the flush and terminate
693 * it earlier than we want.
694 */
695 if (!V4L2_TYPE_IS_OUTPUT(buf->type) &&
696 buf->flags & V4L2_BUF_FLAG_LAST &&
697 buf->m.planes[0].bytesused == 0 &&
698 ctx->is_flushing) {
699 /*
700 * Last CAPTURE buffer is dequeued, we can allow another flush
701 * to take place.
702 */
703 ctx->is_flushing = false;
704 }
705
706 return 0;
707 }
708
vidioc_encoder_cmd(struct file * file,void * priv,struct v4l2_encoder_cmd * cmd)709 static int vidioc_encoder_cmd(struct file *file, void *priv,
710 struct v4l2_encoder_cmd *cmd)
711 {
712 struct mtk_vcodec_ctx *ctx = fh_to_ctx(priv);
713 struct vb2_queue *src_vq, *dst_vq;
714 int ret;
715
716 if (ctx->state == MTK_STATE_ABORT) {
717 mtk_v4l2_err("[%d] Call to CMD after unrecoverable error",
718 ctx->id);
719 return -EIO;
720 }
721
722 ret = v4l2_m2m_ioctl_try_encoder_cmd(file, priv, cmd);
723 if (ret)
724 return ret;
725
726 /* Calling START or STOP is invalid if a flush is in progress */
727 if (ctx->is_flushing)
728 return -EBUSY;
729
730 mtk_v4l2_debug(1, "encoder cmd=%u", cmd->cmd);
731
732 dst_vq = v4l2_m2m_get_vq(ctx->m2m_ctx,
733 V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE);
734 switch (cmd->cmd) {
735 case V4L2_ENC_CMD_STOP:
736 src_vq = v4l2_m2m_get_vq(ctx->m2m_ctx,
737 V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE);
738 if (!vb2_is_streaming(src_vq)) {
739 mtk_v4l2_debug(1, "Output stream is off. No need to flush.");
740 return 0;
741 }
742 if (!vb2_is_streaming(dst_vq)) {
743 mtk_v4l2_debug(1, "Capture stream is off. No need to flush.");
744 return 0;
745 }
746 ctx->is_flushing = true;
747 v4l2_m2m_buf_queue(ctx->m2m_ctx, &ctx->empty_flush_buf.vb);
748 v4l2_m2m_try_schedule(ctx->m2m_ctx);
749 break;
750
751 case V4L2_ENC_CMD_START:
752 vb2_clear_last_buffer_dequeued(dst_vq);
753 break;
754
755 default:
756 return -EINVAL;
757 }
758
759 return 0;
760 }
761
762 const struct v4l2_ioctl_ops mtk_venc_ioctl_ops = {
763 .vidioc_streamon = v4l2_m2m_ioctl_streamon,
764 .vidioc_streamoff = v4l2_m2m_ioctl_streamoff,
765
766 .vidioc_reqbufs = v4l2_m2m_ioctl_reqbufs,
767 .vidioc_querybuf = v4l2_m2m_ioctl_querybuf,
768 .vidioc_qbuf = vidioc_venc_qbuf,
769 .vidioc_dqbuf = vidioc_venc_dqbuf,
770
771 .vidioc_querycap = vidioc_venc_querycap,
772 .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap,
773 .vidioc_enum_fmt_vid_out = vidioc_enum_fmt_vid_out,
774 .vidioc_enum_framesizes = vidioc_enum_framesizes,
775
776 .vidioc_try_fmt_vid_cap_mplane = vidioc_try_fmt_vid_cap_mplane,
777 .vidioc_try_fmt_vid_out_mplane = vidioc_try_fmt_vid_out_mplane,
778 .vidioc_expbuf = v4l2_m2m_ioctl_expbuf,
779 .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
780 .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
781
782 .vidioc_s_parm = vidioc_venc_s_parm,
783 .vidioc_g_parm = vidioc_venc_g_parm,
784 .vidioc_s_fmt_vid_cap_mplane = vidioc_venc_s_fmt_cap,
785 .vidioc_s_fmt_vid_out_mplane = vidioc_venc_s_fmt_out,
786
787 .vidioc_g_fmt_vid_cap_mplane = vidioc_venc_g_fmt,
788 .vidioc_g_fmt_vid_out_mplane = vidioc_venc_g_fmt,
789
790 .vidioc_create_bufs = v4l2_m2m_ioctl_create_bufs,
791 .vidioc_prepare_buf = v4l2_m2m_ioctl_prepare_buf,
792
793 .vidioc_g_selection = vidioc_venc_g_selection,
794 .vidioc_s_selection = vidioc_venc_s_selection,
795
796 .vidioc_encoder_cmd = vidioc_encoder_cmd,
797 .vidioc_try_encoder_cmd = v4l2_m2m_ioctl_try_encoder_cmd,
798 };
799
vb2ops_venc_queue_setup(struct vb2_queue * vq,unsigned int * nbuffers,unsigned int * nplanes,unsigned int sizes[],struct device * alloc_devs[])800 static int vb2ops_venc_queue_setup(struct vb2_queue *vq,
801 unsigned int *nbuffers,
802 unsigned int *nplanes,
803 unsigned int sizes[],
804 struct device *alloc_devs[])
805 {
806 struct mtk_vcodec_ctx *ctx = vb2_get_drv_priv(vq);
807 struct mtk_q_data *q_data;
808 unsigned int i;
809
810 q_data = mtk_venc_get_q_data(ctx, vq->type);
811
812 if (q_data == NULL)
813 return -EINVAL;
814
815 if (*nplanes) {
816 for (i = 0; i < *nplanes; i++)
817 if (sizes[i] < q_data->sizeimage[i])
818 return -EINVAL;
819 } else {
820 *nplanes = q_data->fmt->num_planes;
821 for (i = 0; i < *nplanes; i++)
822 sizes[i] = q_data->sizeimage[i];
823 }
824
825 return 0;
826 }
827
vb2ops_venc_buf_prepare(struct vb2_buffer * vb)828 static int vb2ops_venc_buf_prepare(struct vb2_buffer *vb)
829 {
830 struct mtk_vcodec_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
831 struct mtk_q_data *q_data;
832 int i;
833
834 q_data = mtk_venc_get_q_data(ctx, vb->vb2_queue->type);
835
836 for (i = 0; i < q_data->fmt->num_planes; i++) {
837 if (vb2_plane_size(vb, i) < q_data->sizeimage[i]) {
838 mtk_v4l2_err("data will not fit into plane %d (%lu < %d)",
839 i, vb2_plane_size(vb, i),
840 q_data->sizeimage[i]);
841 return -EINVAL;
842 }
843 }
844
845 return 0;
846 }
847
vb2ops_venc_buf_queue(struct vb2_buffer * vb)848 static void vb2ops_venc_buf_queue(struct vb2_buffer *vb)
849 {
850 struct mtk_vcodec_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
851 struct vb2_v4l2_buffer *vb2_v4l2 =
852 container_of(vb, struct vb2_v4l2_buffer, vb2_buf);
853
854 struct mtk_video_enc_buf *mtk_buf =
855 container_of(vb2_v4l2, struct mtk_video_enc_buf,
856 m2m_buf.vb);
857
858 if ((vb->vb2_queue->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) &&
859 (ctx->param_change != MTK_ENCODE_PARAM_NONE)) {
860 mtk_v4l2_debug(1, "[%d] Before id=%d encode parameter change %x",
861 ctx->id,
862 vb2_v4l2->vb2_buf.index,
863 ctx->param_change);
864 mtk_buf->param_change = ctx->param_change;
865 mtk_buf->enc_params = ctx->enc_params;
866 ctx->param_change = MTK_ENCODE_PARAM_NONE;
867 }
868
869 v4l2_m2m_buf_queue(ctx->m2m_ctx, to_vb2_v4l2_buffer(vb));
870 }
871
vb2ops_venc_start_streaming(struct vb2_queue * q,unsigned int count)872 static int vb2ops_venc_start_streaming(struct vb2_queue *q, unsigned int count)
873 {
874 struct mtk_vcodec_ctx *ctx = vb2_get_drv_priv(q);
875 struct venc_enc_param param;
876 int ret, pm_ret;
877 int i;
878
879 /* Once state turn into MTK_STATE_ABORT, we need stop_streaming
880 * to clear it
881 */
882 if ((ctx->state == MTK_STATE_ABORT) || (ctx->state == MTK_STATE_FREE)) {
883 ret = -EIO;
884 goto err_start_stream;
885 }
886
887 /* Do the initialization when both start_streaming have been called */
888 if (V4L2_TYPE_IS_OUTPUT(q->type)) {
889 if (!vb2_start_streaming_called(&ctx->m2m_ctx->cap_q_ctx.q))
890 return 0;
891 } else {
892 if (!vb2_start_streaming_called(&ctx->m2m_ctx->out_q_ctx.q))
893 return 0;
894 }
895
896 ret = pm_runtime_resume_and_get(&ctx->dev->plat_dev->dev);
897 if (ret < 0) {
898 mtk_v4l2_err("pm_runtime_resume_and_get fail %d", ret);
899 goto err_start_stream;
900 }
901
902 mtk_venc_set_param(ctx, ¶m);
903 ret = venc_if_set_param(ctx, VENC_SET_PARAM_ENC, ¶m);
904 if (ret) {
905 mtk_v4l2_err("venc_if_set_param failed=%d", ret);
906 ctx->state = MTK_STATE_ABORT;
907 goto err_set_param;
908 }
909 ctx->param_change = MTK_ENCODE_PARAM_NONE;
910
911 if ((ctx->q_data[MTK_Q_DATA_DST].fmt->fourcc == V4L2_PIX_FMT_H264) &&
912 (ctx->enc_params.seq_hdr_mode !=
913 V4L2_MPEG_VIDEO_HEADER_MODE_SEPARATE)) {
914 ret = venc_if_set_param(ctx,
915 VENC_SET_PARAM_PREPEND_HEADER,
916 NULL);
917 if (ret) {
918 mtk_v4l2_err("venc_if_set_param failed=%d", ret);
919 ctx->state = MTK_STATE_ABORT;
920 goto err_set_param;
921 }
922 ctx->state = MTK_STATE_HEADER;
923 }
924
925 return 0;
926
927 err_set_param:
928 pm_ret = pm_runtime_put(&ctx->dev->plat_dev->dev);
929 if (pm_ret < 0)
930 mtk_v4l2_err("pm_runtime_put fail %d", pm_ret);
931
932 err_start_stream:
933 for (i = 0; i < q->num_buffers; ++i) {
934 struct vb2_buffer *buf = vb2_get_buffer(q, i);
935
936 /*
937 * FIXME: This check is not needed as only active buffers
938 * can be marked as done.
939 */
940 if (buf->state == VB2_BUF_STATE_ACTIVE) {
941 mtk_v4l2_debug(0, "[%d] id=%d, type=%d, %d -> VB2_BUF_STATE_QUEUED",
942 ctx->id, i, q->type,
943 (int)buf->state);
944 v4l2_m2m_buf_done(to_vb2_v4l2_buffer(buf),
945 VB2_BUF_STATE_QUEUED);
946 }
947 }
948
949 return ret;
950 }
951
vb2ops_venc_stop_streaming(struct vb2_queue * q)952 static void vb2ops_venc_stop_streaming(struct vb2_queue *q)
953 {
954 struct mtk_vcodec_ctx *ctx = vb2_get_drv_priv(q);
955 struct vb2_v4l2_buffer *src_buf, *dst_buf;
956 int ret;
957
958 mtk_v4l2_debug(2, "[%d]-> type=%d", ctx->id, q->type);
959
960 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
961 while ((dst_buf = v4l2_m2m_dst_buf_remove(ctx->m2m_ctx))) {
962 dst_buf->vb2_buf.planes[0].bytesused = 0;
963 v4l2_m2m_buf_done(dst_buf, VB2_BUF_STATE_ERROR);
964 }
965 /* STREAMOFF on the CAPTURE queue completes any ongoing flush */
966 if (ctx->is_flushing) {
967 struct v4l2_m2m_buffer *b, *n;
968
969 mtk_v4l2_debug(1, "STREAMOFF called while flushing");
970 /*
971 * STREAMOFF could be called before the flush buffer is
972 * dequeued. Check whether empty flush buf is still in
973 * queue before removing it.
974 */
975 v4l2_m2m_for_each_src_buf_safe(ctx->m2m_ctx, b, n) {
976 if (b == &ctx->empty_flush_buf) {
977 v4l2_m2m_src_buf_remove_by_buf(ctx->m2m_ctx, &b->vb);
978 break;
979 }
980 }
981 ctx->is_flushing = false;
982 }
983 } else {
984 while ((src_buf = v4l2_m2m_src_buf_remove(ctx->m2m_ctx))) {
985 if (src_buf != &ctx->empty_flush_buf.vb)
986 v4l2_m2m_buf_done(src_buf, VB2_BUF_STATE_ERROR);
987 }
988 if (ctx->is_flushing) {
989 /*
990 * If we are in the middle of a flush, put the flush
991 * buffer back into the queue so the next CAPTURE
992 * buffer gets returned with the LAST flag set.
993 */
994 v4l2_m2m_buf_queue(ctx->m2m_ctx,
995 &ctx->empty_flush_buf.vb);
996 }
997 }
998
999 if ((q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
1000 vb2_is_streaming(&ctx->m2m_ctx->out_q_ctx.q)) ||
1001 (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE &&
1002 vb2_is_streaming(&ctx->m2m_ctx->cap_q_ctx.q))) {
1003 mtk_v4l2_debug(1, "[%d]-> q type %d out=%d cap=%d",
1004 ctx->id, q->type,
1005 vb2_is_streaming(&ctx->m2m_ctx->out_q_ctx.q),
1006 vb2_is_streaming(&ctx->m2m_ctx->cap_q_ctx.q));
1007 return;
1008 }
1009
1010 /* Release the encoder if both streams are stopped. */
1011 ret = venc_if_deinit(ctx);
1012 if (ret)
1013 mtk_v4l2_err("venc_if_deinit failed=%d", ret);
1014
1015 ret = pm_runtime_put(&ctx->dev->plat_dev->dev);
1016 if (ret < 0)
1017 mtk_v4l2_err("pm_runtime_put fail %d", ret);
1018
1019 ctx->state = MTK_STATE_FREE;
1020 }
1021
vb2ops_venc_buf_out_validate(struct vb2_buffer * vb)1022 static int vb2ops_venc_buf_out_validate(struct vb2_buffer *vb)
1023 {
1024 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
1025
1026 vbuf->field = V4L2_FIELD_NONE;
1027 return 0;
1028 }
1029
1030 static const struct vb2_ops mtk_venc_vb2_ops = {
1031 .queue_setup = vb2ops_venc_queue_setup,
1032 .buf_out_validate = vb2ops_venc_buf_out_validate,
1033 .buf_prepare = vb2ops_venc_buf_prepare,
1034 .buf_queue = vb2ops_venc_buf_queue,
1035 .wait_prepare = vb2_ops_wait_prepare,
1036 .wait_finish = vb2_ops_wait_finish,
1037 .start_streaming = vb2ops_venc_start_streaming,
1038 .stop_streaming = vb2ops_venc_stop_streaming,
1039 };
1040
mtk_venc_encode_header(void * priv)1041 static int mtk_venc_encode_header(void *priv)
1042 {
1043 struct mtk_vcodec_ctx *ctx = priv;
1044 int ret;
1045 struct vb2_v4l2_buffer *src_buf, *dst_buf;
1046 struct mtk_vcodec_mem bs_buf;
1047 struct venc_done_result enc_result;
1048
1049 dst_buf = v4l2_m2m_dst_buf_remove(ctx->m2m_ctx);
1050 if (!dst_buf) {
1051 mtk_v4l2_debug(1, "No dst buffer");
1052 return -EINVAL;
1053 }
1054
1055 bs_buf.va = vb2_plane_vaddr(&dst_buf->vb2_buf, 0);
1056 bs_buf.dma_addr = vb2_dma_contig_plane_dma_addr(&dst_buf->vb2_buf, 0);
1057 bs_buf.size = (size_t)dst_buf->vb2_buf.planes[0].length;
1058
1059 mtk_v4l2_debug(1,
1060 "[%d] buf id=%d va=0x%p dma_addr=0x%llx size=%zu",
1061 ctx->id,
1062 dst_buf->vb2_buf.index, bs_buf.va,
1063 (u64)bs_buf.dma_addr,
1064 bs_buf.size);
1065
1066 ret = venc_if_encode(ctx,
1067 VENC_START_OPT_ENCODE_SEQUENCE_HEADER,
1068 NULL, &bs_buf, &enc_result);
1069
1070 if (ret) {
1071 dst_buf->vb2_buf.planes[0].bytesused = 0;
1072 ctx->state = MTK_STATE_ABORT;
1073 v4l2_m2m_buf_done(dst_buf, VB2_BUF_STATE_ERROR);
1074 mtk_v4l2_err("venc_if_encode failed=%d", ret);
1075 return -EINVAL;
1076 }
1077 src_buf = v4l2_m2m_next_src_buf(ctx->m2m_ctx);
1078 if (src_buf) {
1079 dst_buf->vb2_buf.timestamp = src_buf->vb2_buf.timestamp;
1080 dst_buf->timecode = src_buf->timecode;
1081 } else {
1082 mtk_v4l2_err("No timestamp for the header buffer.");
1083 }
1084
1085 ctx->state = MTK_STATE_HEADER;
1086 dst_buf->vb2_buf.planes[0].bytesused = enc_result.bs_size;
1087 v4l2_m2m_buf_done(dst_buf, VB2_BUF_STATE_DONE);
1088
1089 return 0;
1090 }
1091
mtk_venc_param_change(struct mtk_vcodec_ctx * ctx)1092 static int mtk_venc_param_change(struct mtk_vcodec_ctx *ctx)
1093 {
1094 struct venc_enc_param enc_prm;
1095 struct vb2_v4l2_buffer *vb2_v4l2 = v4l2_m2m_next_src_buf(ctx->m2m_ctx);
1096 struct mtk_video_enc_buf *mtk_buf;
1097 int ret = 0;
1098
1099 /* Don't upcast the empty flush buffer */
1100 if (vb2_v4l2 == &ctx->empty_flush_buf.vb)
1101 return 0;
1102
1103 mtk_buf = container_of(vb2_v4l2, struct mtk_video_enc_buf, m2m_buf.vb);
1104
1105 memset(&enc_prm, 0, sizeof(enc_prm));
1106 if (mtk_buf->param_change == MTK_ENCODE_PARAM_NONE)
1107 return 0;
1108
1109 if (mtk_buf->param_change & MTK_ENCODE_PARAM_BITRATE) {
1110 enc_prm.bitrate = mtk_buf->enc_params.bitrate;
1111 mtk_v4l2_debug(1, "[%d] id=%d, change param br=%d",
1112 ctx->id,
1113 vb2_v4l2->vb2_buf.index,
1114 enc_prm.bitrate);
1115 ret |= venc_if_set_param(ctx,
1116 VENC_SET_PARAM_ADJUST_BITRATE,
1117 &enc_prm);
1118 }
1119 if (!ret && mtk_buf->param_change & MTK_ENCODE_PARAM_FRAMERATE) {
1120 enc_prm.frm_rate = mtk_buf->enc_params.framerate_num /
1121 mtk_buf->enc_params.framerate_denom;
1122 mtk_v4l2_debug(1, "[%d] id=%d, change param fr=%d",
1123 ctx->id,
1124 vb2_v4l2->vb2_buf.index,
1125 enc_prm.frm_rate);
1126 ret |= venc_if_set_param(ctx,
1127 VENC_SET_PARAM_ADJUST_FRAMERATE,
1128 &enc_prm);
1129 }
1130 if (!ret && mtk_buf->param_change & MTK_ENCODE_PARAM_GOP_SIZE) {
1131 enc_prm.gop_size = mtk_buf->enc_params.gop_size;
1132 mtk_v4l2_debug(1, "change param intra period=%d",
1133 enc_prm.gop_size);
1134 ret |= venc_if_set_param(ctx,
1135 VENC_SET_PARAM_GOP_SIZE,
1136 &enc_prm);
1137 }
1138 if (!ret && mtk_buf->param_change & MTK_ENCODE_PARAM_FORCE_INTRA) {
1139 mtk_v4l2_debug(1, "[%d] id=%d, change param force I=%d",
1140 ctx->id,
1141 vb2_v4l2->vb2_buf.index,
1142 mtk_buf->enc_params.force_intra);
1143 if (mtk_buf->enc_params.force_intra)
1144 ret |= venc_if_set_param(ctx,
1145 VENC_SET_PARAM_FORCE_INTRA,
1146 NULL);
1147 }
1148
1149 mtk_buf->param_change = MTK_ENCODE_PARAM_NONE;
1150
1151 if (ret) {
1152 ctx->state = MTK_STATE_ABORT;
1153 mtk_v4l2_err("venc_if_set_param %d failed=%d",
1154 mtk_buf->param_change, ret);
1155 return -1;
1156 }
1157
1158 return 0;
1159 }
1160
1161 /*
1162 * v4l2_m2m_streamoff() holds dev_mutex and waits mtk_venc_worker()
1163 * to call v4l2_m2m_job_finish().
1164 * If mtk_venc_worker() tries to acquire dev_mutex, it will deadlock.
1165 * So this function must not try to acquire dev->dev_mutex.
1166 * This means v4l2 ioctls and mtk_venc_worker() can run at the same time.
1167 * mtk_venc_worker() should be carefully implemented to avoid bugs.
1168 */
mtk_venc_worker(struct work_struct * work)1169 static void mtk_venc_worker(struct work_struct *work)
1170 {
1171 struct mtk_vcodec_ctx *ctx = container_of(work, struct mtk_vcodec_ctx,
1172 encode_work);
1173 struct vb2_v4l2_buffer *src_buf, *dst_buf;
1174 struct venc_frm_buf frm_buf;
1175 struct mtk_vcodec_mem bs_buf;
1176 struct venc_done_result enc_result;
1177 int ret, i;
1178
1179 /* check dst_buf, dst_buf may be removed in device_run
1180 * to stored encdoe header so we need check dst_buf and
1181 * call job_finish here to prevent recursion
1182 */
1183 dst_buf = v4l2_m2m_dst_buf_remove(ctx->m2m_ctx);
1184 if (!dst_buf) {
1185 v4l2_m2m_job_finish(ctx->dev->m2m_dev_enc, ctx->m2m_ctx);
1186 return;
1187 }
1188
1189 src_buf = v4l2_m2m_src_buf_remove(ctx->m2m_ctx);
1190
1191 /*
1192 * If we see the flush buffer, send an empty buffer with the LAST flag
1193 * to the client. is_flushing will be reset at the time the buffer
1194 * is dequeued.
1195 */
1196 if (src_buf == &ctx->empty_flush_buf.vb) {
1197 vb2_set_plane_payload(&dst_buf->vb2_buf, 0, 0);
1198 dst_buf->flags |= V4L2_BUF_FLAG_LAST;
1199 v4l2_m2m_buf_done(dst_buf, VB2_BUF_STATE_DONE);
1200 v4l2_m2m_job_finish(ctx->dev->m2m_dev_enc, ctx->m2m_ctx);
1201 return;
1202 }
1203
1204 memset(&frm_buf, 0, sizeof(frm_buf));
1205 for (i = 0; i < src_buf->vb2_buf.num_planes ; i++) {
1206 frm_buf.fb_addr[i].dma_addr =
1207 vb2_dma_contig_plane_dma_addr(&src_buf->vb2_buf, i);
1208 frm_buf.fb_addr[i].size =
1209 (size_t)src_buf->vb2_buf.planes[i].length;
1210 }
1211 bs_buf.va = vb2_plane_vaddr(&dst_buf->vb2_buf, 0);
1212 bs_buf.dma_addr = vb2_dma_contig_plane_dma_addr(&dst_buf->vb2_buf, 0);
1213 bs_buf.size = (size_t)dst_buf->vb2_buf.planes[0].length;
1214
1215 mtk_v4l2_debug(2,
1216 "Framebuf PA=%llx Size=0x%zx;PA=0x%llx Size=0x%zx;PA=0x%llx Size=%zu",
1217 (u64)frm_buf.fb_addr[0].dma_addr,
1218 frm_buf.fb_addr[0].size,
1219 (u64)frm_buf.fb_addr[1].dma_addr,
1220 frm_buf.fb_addr[1].size,
1221 (u64)frm_buf.fb_addr[2].dma_addr,
1222 frm_buf.fb_addr[2].size);
1223
1224 ret = venc_if_encode(ctx, VENC_START_OPT_ENCODE_FRAME,
1225 &frm_buf, &bs_buf, &enc_result);
1226
1227 dst_buf->vb2_buf.timestamp = src_buf->vb2_buf.timestamp;
1228 dst_buf->timecode = src_buf->timecode;
1229
1230 if (enc_result.is_key_frm)
1231 dst_buf->flags |= V4L2_BUF_FLAG_KEYFRAME;
1232
1233 if (ret) {
1234 v4l2_m2m_buf_done(src_buf, VB2_BUF_STATE_ERROR);
1235 dst_buf->vb2_buf.planes[0].bytesused = 0;
1236 v4l2_m2m_buf_done(dst_buf, VB2_BUF_STATE_ERROR);
1237 mtk_v4l2_err("venc_if_encode failed=%d", ret);
1238 } else {
1239 v4l2_m2m_buf_done(src_buf, VB2_BUF_STATE_DONE);
1240 dst_buf->vb2_buf.planes[0].bytesused = enc_result.bs_size;
1241 v4l2_m2m_buf_done(dst_buf, VB2_BUF_STATE_DONE);
1242 mtk_v4l2_debug(2, "venc_if_encode bs size=%d",
1243 enc_result.bs_size);
1244 }
1245
1246 v4l2_m2m_job_finish(ctx->dev->m2m_dev_enc, ctx->m2m_ctx);
1247
1248 mtk_v4l2_debug(1, "<=== src_buf[%d] dst_buf[%d] venc_if_encode ret=%d Size=%u===>",
1249 src_buf->vb2_buf.index, dst_buf->vb2_buf.index, ret,
1250 enc_result.bs_size);
1251 }
1252
m2mops_venc_device_run(void * priv)1253 static void m2mops_venc_device_run(void *priv)
1254 {
1255 struct mtk_vcodec_ctx *ctx = priv;
1256
1257 if ((ctx->q_data[MTK_Q_DATA_DST].fmt->fourcc == V4L2_PIX_FMT_H264) &&
1258 (ctx->state != MTK_STATE_HEADER)) {
1259 /* encode h264 sps/pps header */
1260 mtk_venc_encode_header(ctx);
1261 queue_work(ctx->dev->encode_workqueue, &ctx->encode_work);
1262 return;
1263 }
1264
1265 mtk_venc_param_change(ctx);
1266 queue_work(ctx->dev->encode_workqueue, &ctx->encode_work);
1267 }
1268
m2mops_venc_job_ready(void * m2m_priv)1269 static int m2mops_venc_job_ready(void *m2m_priv)
1270 {
1271 struct mtk_vcodec_ctx *ctx = m2m_priv;
1272
1273 if (ctx->state == MTK_STATE_ABORT || ctx->state == MTK_STATE_FREE) {
1274 mtk_v4l2_debug(3, "[%d]Not ready: state=0x%x.",
1275 ctx->id, ctx->state);
1276 return 0;
1277 }
1278
1279 return 1;
1280 }
1281
m2mops_venc_job_abort(void * priv)1282 static void m2mops_venc_job_abort(void *priv)
1283 {
1284 struct mtk_vcodec_ctx *ctx = priv;
1285
1286 ctx->state = MTK_STATE_ABORT;
1287 }
1288
1289 const struct v4l2_m2m_ops mtk_venc_m2m_ops = {
1290 .device_run = m2mops_venc_device_run,
1291 .job_ready = m2mops_venc_job_ready,
1292 .job_abort = m2mops_venc_job_abort,
1293 };
1294
mtk_vcodec_enc_set_default_params(struct mtk_vcodec_ctx * ctx)1295 void mtk_vcodec_enc_set_default_params(struct mtk_vcodec_ctx *ctx)
1296 {
1297 struct mtk_q_data *q_data;
1298
1299 ctx->m2m_ctx->q_lock = &ctx->dev->dev_mutex;
1300 ctx->fh.m2m_ctx = ctx->m2m_ctx;
1301 ctx->fh.ctrl_handler = &ctx->ctrl_hdl;
1302 INIT_WORK(&ctx->encode_work, mtk_venc_worker);
1303
1304 ctx->colorspace = V4L2_COLORSPACE_REC709;
1305 ctx->ycbcr_enc = V4L2_YCBCR_ENC_DEFAULT;
1306 ctx->quantization = V4L2_QUANTIZATION_DEFAULT;
1307 ctx->xfer_func = V4L2_XFER_FUNC_DEFAULT;
1308
1309 q_data = &ctx->q_data[MTK_Q_DATA_SRC];
1310 memset(q_data, 0, sizeof(struct mtk_q_data));
1311 q_data->visible_width = DFT_CFG_WIDTH;
1312 q_data->visible_height = DFT_CFG_HEIGHT;
1313 q_data->coded_width = DFT_CFG_WIDTH;
1314 q_data->coded_height = DFT_CFG_HEIGHT;
1315 q_data->field = V4L2_FIELD_NONE;
1316
1317 q_data->fmt = &ctx->dev->venc_pdata->output_formats[0];
1318
1319 v4l_bound_align_image(&q_data->coded_width,
1320 MTK_VENC_MIN_W,
1321 MTK_VENC_HD_MAX_W, 4,
1322 &q_data->coded_height,
1323 MTK_VENC_MIN_H,
1324 MTK_VENC_HD_MAX_H, 5, 6);
1325
1326 if (q_data->coded_width < DFT_CFG_WIDTH &&
1327 (q_data->coded_width + 16) <= MTK_VENC_HD_MAX_W)
1328 q_data->coded_width += 16;
1329 if (q_data->coded_height < DFT_CFG_HEIGHT &&
1330 (q_data->coded_height + 32) <= MTK_VENC_HD_MAX_H)
1331 q_data->coded_height += 32;
1332
1333 q_data->sizeimage[0] =
1334 q_data->coded_width * q_data->coded_height+
1335 ((ALIGN(q_data->coded_width, 16) * 2) * 16);
1336 q_data->bytesperline[0] = q_data->coded_width;
1337 q_data->sizeimage[1] =
1338 (q_data->coded_width * q_data->coded_height) / 2 +
1339 (ALIGN(q_data->coded_width, 16) * 16);
1340 q_data->bytesperline[1] = q_data->coded_width;
1341
1342 q_data = &ctx->q_data[MTK_Q_DATA_DST];
1343 memset(q_data, 0, sizeof(struct mtk_q_data));
1344 q_data->coded_width = DFT_CFG_WIDTH;
1345 q_data->coded_height = DFT_CFG_HEIGHT;
1346 q_data->fmt = &ctx->dev->venc_pdata->capture_formats[0];
1347 q_data->field = V4L2_FIELD_NONE;
1348 ctx->q_data[MTK_Q_DATA_DST].sizeimage[0] =
1349 DFT_CFG_WIDTH * DFT_CFG_HEIGHT;
1350 ctx->q_data[MTK_Q_DATA_DST].bytesperline[0] = 0;
1351
1352 ctx->enc_params.framerate_num = MTK_DEFAULT_FRAMERATE_NUM;
1353 ctx->enc_params.framerate_denom = MTK_DEFAULT_FRAMERATE_DENOM;
1354 }
1355
mtk_vcodec_enc_ctrls_setup(struct mtk_vcodec_ctx * ctx)1356 int mtk_vcodec_enc_ctrls_setup(struct mtk_vcodec_ctx *ctx)
1357 {
1358 const struct v4l2_ctrl_ops *ops = &mtk_vcodec_enc_ctrl_ops;
1359 struct v4l2_ctrl_handler *handler = &ctx->ctrl_hdl;
1360 u8 h264_max_level;
1361
1362 if (ctx->dev->enc_capability & MTK_VENC_4K_CAPABILITY_ENABLE)
1363 h264_max_level = V4L2_MPEG_VIDEO_H264_LEVEL_5_1;
1364 else
1365 h264_max_level = V4L2_MPEG_VIDEO_H264_LEVEL_4_2;
1366
1367 v4l2_ctrl_handler_init(handler, MTK_MAX_CTRLS_HINT);
1368
1369 v4l2_ctrl_new_std(handler, ops, V4L2_CID_MIN_BUFFERS_FOR_OUTPUT,
1370 1, 1, 1, 1);
1371 v4l2_ctrl_new_std(handler, ops, V4L2_CID_MPEG_VIDEO_BITRATE,
1372 ctx->dev->venc_pdata->min_bitrate,
1373 ctx->dev->venc_pdata->max_bitrate, 1, 4000000);
1374 v4l2_ctrl_new_std(handler, ops, V4L2_CID_MPEG_VIDEO_B_FRAMES,
1375 0, 2, 1, 0);
1376 v4l2_ctrl_new_std(handler, ops, V4L2_CID_MPEG_VIDEO_FRAME_RC_ENABLE,
1377 0, 1, 1, 1);
1378 v4l2_ctrl_new_std(handler, ops, V4L2_CID_MPEG_VIDEO_H264_MAX_QP,
1379 0, 51, 1, 51);
1380 v4l2_ctrl_new_std(handler, ops, V4L2_CID_MPEG_VIDEO_H264_I_PERIOD,
1381 0, 65535, 1, 0);
1382 v4l2_ctrl_new_std(handler, ops, V4L2_CID_MPEG_VIDEO_GOP_SIZE,
1383 0, 65535, 1, 0);
1384 v4l2_ctrl_new_std(handler, ops, V4L2_CID_MPEG_VIDEO_MB_RC_ENABLE,
1385 0, 1, 1, 0);
1386 v4l2_ctrl_new_std(handler, ops, V4L2_CID_MPEG_VIDEO_FORCE_KEY_FRAME,
1387 0, 0, 0, 0);
1388 v4l2_ctrl_new_std_menu(handler, ops,
1389 V4L2_CID_MPEG_VIDEO_HEADER_MODE,
1390 V4L2_MPEG_VIDEO_HEADER_MODE_JOINED_WITH_1ST_FRAME,
1391 0, V4L2_MPEG_VIDEO_HEADER_MODE_SEPARATE);
1392 v4l2_ctrl_new_std_menu(handler, ops, V4L2_CID_MPEG_VIDEO_H264_PROFILE,
1393 V4L2_MPEG_VIDEO_H264_PROFILE_HIGH,
1394 0, V4L2_MPEG_VIDEO_H264_PROFILE_HIGH);
1395 v4l2_ctrl_new_std_menu(handler, ops, V4L2_CID_MPEG_VIDEO_H264_LEVEL,
1396 h264_max_level,
1397 0, V4L2_MPEG_VIDEO_H264_LEVEL_4_0);
1398
1399 if (handler->error) {
1400 mtk_v4l2_err("Init control handler fail %d",
1401 handler->error);
1402 return handler->error;
1403 }
1404
1405 v4l2_ctrl_handler_setup(&ctx->ctrl_hdl);
1406
1407 return 0;
1408 }
1409
mtk_vcodec_enc_queue_init(void * priv,struct vb2_queue * src_vq,struct vb2_queue * dst_vq)1410 int mtk_vcodec_enc_queue_init(void *priv, struct vb2_queue *src_vq,
1411 struct vb2_queue *dst_vq)
1412 {
1413 struct mtk_vcodec_ctx *ctx = priv;
1414 int ret;
1415
1416 /* Note: VB2_USERPTR works with dma-contig because mt8173
1417 * support iommu
1418 * https://patchwork.kernel.org/patch/8335461/
1419 * https://patchwork.kernel.org/patch/7596181/
1420 */
1421 src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
1422 src_vq->io_modes = VB2_DMABUF | VB2_MMAP | VB2_USERPTR;
1423 src_vq->drv_priv = ctx;
1424 src_vq->buf_struct_size = sizeof(struct mtk_video_enc_buf);
1425 src_vq->ops = &mtk_venc_vb2_ops;
1426 src_vq->mem_ops = &vb2_dma_contig_memops;
1427 src_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
1428 src_vq->lock = &ctx->dev->dev_mutex;
1429 src_vq->dev = &ctx->dev->plat_dev->dev;
1430
1431 ret = vb2_queue_init(src_vq);
1432 if (ret)
1433 return ret;
1434
1435 dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
1436 dst_vq->io_modes = VB2_DMABUF | VB2_MMAP | VB2_USERPTR;
1437 dst_vq->drv_priv = ctx;
1438 dst_vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer);
1439 dst_vq->ops = &mtk_venc_vb2_ops;
1440 dst_vq->mem_ops = &vb2_dma_contig_memops;
1441 dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
1442 dst_vq->lock = &ctx->dev->dev_mutex;
1443 dst_vq->dev = &ctx->dev->plat_dev->dev;
1444
1445 return vb2_queue_init(dst_vq);
1446 }
1447
mtk_venc_unlock(struct mtk_vcodec_ctx * ctx)1448 int mtk_venc_unlock(struct mtk_vcodec_ctx *ctx)
1449 {
1450 struct mtk_vcodec_dev *dev = ctx->dev;
1451
1452 mutex_unlock(&dev->enc_mutex);
1453 return 0;
1454 }
1455
mtk_venc_lock(struct mtk_vcodec_ctx * ctx)1456 int mtk_venc_lock(struct mtk_vcodec_ctx *ctx)
1457 {
1458 struct mtk_vcodec_dev *dev = ctx->dev;
1459
1460 mutex_lock(&dev->enc_mutex);
1461 return 0;
1462 }
1463
mtk_vcodec_enc_release(struct mtk_vcodec_ctx * ctx)1464 void mtk_vcodec_enc_release(struct mtk_vcodec_ctx *ctx)
1465 {
1466 int ret = venc_if_deinit(ctx);
1467
1468 if (ret)
1469 mtk_v4l2_err("venc_if_deinit failed=%d", ret);
1470
1471 ctx->state = MTK_STATE_FREE;
1472 }
1473