]>
Commit | Line | Data |
---|---|---|
7472c1c6 SV |
1 | /* |
2 | * Copyright (c) 2012-2016, The Linux Foundation. All rights reserved. | |
3 | * Copyright (C) 2017 Linaro Ltd. | |
4 | * | |
5 | * This program is free software; you can redistribute it and/or modify | |
6 | * it under the terms of the GNU General Public License version 2 and | |
7 | * only version 2 as published by the Free Software Foundation. | |
8 | * | |
9 | * This program is distributed in the hope that it will be useful, | |
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | * GNU General Public License for more details. | |
13 | * | |
14 | */ | |
15 | #include <linux/clk.h> | |
16 | #include <linux/module.h> | |
17 | #include <linux/platform_device.h> | |
18 | #include <linux/pm_runtime.h> | |
19 | #include <linux/slab.h> | |
20 | #include <media/v4l2-ioctl.h> | |
21 | #include <media/v4l2-event.h> | |
22 | #include <media/v4l2-ctrls.h> | |
23 | #include <media/v4l2-mem2mem.h> | |
24 | #include <media/videobuf2-dma-sg.h> | |
25 | ||
26 | #include "hfi_venus_io.h" | |
27 | #include "core.h" | |
28 | #include "helpers.h" | |
29 | #include "vdec.h" | |
30 | ||
31 | static u32 get_framesize_uncompressed(unsigned int plane, u32 width, u32 height) | |
32 | { | |
33 | u32 y_stride, uv_stride, y_plane; | |
34 | u32 y_sclines, uv_sclines, uv_plane; | |
35 | u32 size; | |
36 | ||
37 | y_stride = ALIGN(width, 128); | |
38 | uv_stride = ALIGN(width, 128); | |
39 | y_sclines = ALIGN(height, 32); | |
40 | uv_sclines = ALIGN(((height + 1) >> 1), 16); | |
41 | ||
42 | y_plane = y_stride * y_sclines; | |
43 | uv_plane = uv_stride * uv_sclines + SZ_4K; | |
44 | size = y_plane + uv_plane + SZ_8K; | |
45 | ||
46 | return ALIGN(size, SZ_4K); | |
47 | } | |
48 | ||
49 | static u32 get_framesize_compressed(unsigned int width, unsigned int height) | |
50 | { | |
51 | return ((width * height * 3 / 2) / 2) + 128; | |
52 | } | |
53 | ||
54 | /* | |
55 | * Three resons to keep MPLANE formats (despite that the number of planes | |
56 | * currently is one): | |
57 | * - the MPLANE formats allow only one plane to be used | |
58 | * - the downstream driver use MPLANE formats too | |
59 | * - future firmware versions could add support for >1 planes | |
60 | */ | |
61 | static const struct venus_format vdec_formats[] = { | |
62 | { | |
63 | .pixfmt = V4L2_PIX_FMT_NV12, | |
64 | .num_planes = 1, | |
65 | .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE, | |
66 | }, { | |
67 | .pixfmt = V4L2_PIX_FMT_MPEG4, | |
68 | .num_planes = 1, | |
69 | .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, | |
70 | }, { | |
71 | .pixfmt = V4L2_PIX_FMT_MPEG2, | |
72 | .num_planes = 1, | |
73 | .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, | |
74 | }, { | |
75 | .pixfmt = V4L2_PIX_FMT_H263, | |
76 | .num_planes = 1, | |
77 | .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, | |
78 | }, { | |
79 | .pixfmt = V4L2_PIX_FMT_VC1_ANNEX_G, | |
80 | .num_planes = 1, | |
81 | .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, | |
82 | }, { | |
83 | .pixfmt = V4L2_PIX_FMT_VC1_ANNEX_L, | |
84 | .num_planes = 1, | |
85 | .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, | |
86 | }, { | |
87 | .pixfmt = V4L2_PIX_FMT_H264, | |
88 | .num_planes = 1, | |
89 | .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, | |
90 | }, { | |
91 | .pixfmt = V4L2_PIX_FMT_VP8, | |
92 | .num_planes = 1, | |
93 | .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, | |
94 | }, { | |
95 | .pixfmt = V4L2_PIX_FMT_VP9, | |
96 | .num_planes = 1, | |
97 | .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, | |
98 | }, { | |
99 | .pixfmt = V4L2_PIX_FMT_XVID, | |
100 | .num_planes = 1, | |
101 | .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, | |
102 | }, | |
103 | }; | |
104 | ||
29f0133e SV |
105 | static const struct venus_format * |
106 | find_format(struct venus_inst *inst, u32 pixfmt, u32 type) | |
7472c1c6 SV |
107 | { |
108 | const struct venus_format *fmt = vdec_formats; | |
109 | unsigned int size = ARRAY_SIZE(vdec_formats); | |
110 | unsigned int i; | |
111 | ||
112 | for (i = 0; i < size; i++) { | |
113 | if (fmt[i].pixfmt == pixfmt) | |
114 | break; | |
115 | } | |
116 | ||
117 | if (i == size || fmt[i].type != type) | |
118 | return NULL; | |
119 | ||
29f0133e SV |
120 | if (type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE && |
121 | !venus_helper_check_codec(inst, fmt[i].pixfmt)) | |
122 | return NULL; | |
123 | ||
7472c1c6 SV |
124 | return &fmt[i]; |
125 | } | |
126 | ||
127 | static const struct venus_format * | |
29f0133e | 128 | find_format_by_index(struct venus_inst *inst, unsigned int index, u32 type) |
7472c1c6 SV |
129 | { |
130 | const struct venus_format *fmt = vdec_formats; | |
131 | unsigned int size = ARRAY_SIZE(vdec_formats); | |
132 | unsigned int i, k = 0; | |
133 | ||
134 | if (index > size) | |
135 | return NULL; | |
136 | ||
137 | for (i = 0; i < size; i++) { | |
82e071e2 AC |
138 | bool valid; |
139 | ||
7472c1c6 SV |
140 | if (fmt[i].type != type) |
141 | continue; | |
82e071e2 AC |
142 | valid = type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE || |
143 | venus_helper_check_codec(inst, fmt[i].pixfmt); | |
144 | if (k == index && valid) | |
7472c1c6 | 145 | break; |
82e071e2 AC |
146 | if (valid) |
147 | k++; | |
7472c1c6 SV |
148 | } |
149 | ||
150 | if (i == size) | |
151 | return NULL; | |
152 | ||
153 | return &fmt[i]; | |
154 | } | |
155 | ||
156 | static const struct venus_format * | |
157 | vdec_try_fmt_common(struct venus_inst *inst, struct v4l2_format *f) | |
158 | { | |
159 | struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp; | |
160 | struct v4l2_plane_pix_format *pfmt = pixmp->plane_fmt; | |
161 | const struct venus_format *fmt; | |
162 | unsigned int p; | |
163 | ||
164 | memset(pfmt[0].reserved, 0, sizeof(pfmt[0].reserved)); | |
165 | memset(pixmp->reserved, 0, sizeof(pixmp->reserved)); | |
166 | ||
29f0133e | 167 | fmt = find_format(inst, pixmp->pixelformat, f->type); |
7472c1c6 SV |
168 | if (!fmt) { |
169 | if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) | |
170 | pixmp->pixelformat = V4L2_PIX_FMT_NV12; | |
171 | else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) | |
172 | pixmp->pixelformat = V4L2_PIX_FMT_H264; | |
173 | else | |
174 | return NULL; | |
29f0133e | 175 | fmt = find_format(inst, pixmp->pixelformat, f->type); |
7472c1c6 SV |
176 | } |
177 | ||
178 | pixmp->width = clamp(pixmp->width, inst->cap_width.min, | |
179 | inst->cap_width.max); | |
180 | pixmp->height = clamp(pixmp->height, inst->cap_height.min, | |
181 | inst->cap_height.max); | |
182 | ||
183 | if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) | |
184 | pixmp->height = ALIGN(pixmp->height, 32); | |
185 | ||
186 | if (pixmp->field == V4L2_FIELD_ANY) | |
187 | pixmp->field = V4L2_FIELD_NONE; | |
188 | pixmp->num_planes = fmt->num_planes; | |
189 | pixmp->flags = 0; | |
190 | ||
191 | if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { | |
192 | for (p = 0; p < pixmp->num_planes; p++) { | |
193 | pfmt[p].sizeimage = | |
194 | get_framesize_uncompressed(p, pixmp->width, | |
195 | pixmp->height); | |
196 | pfmt[p].bytesperline = ALIGN(pixmp->width, 128); | |
197 | } | |
198 | } else { | |
199 | pfmt[0].sizeimage = get_framesize_compressed(pixmp->width, | |
200 | pixmp->height); | |
201 | pfmt[0].bytesperline = 0; | |
202 | } | |
203 | ||
204 | return fmt; | |
205 | } | |
206 | ||
207 | static int vdec_try_fmt(struct file *file, void *fh, struct v4l2_format *f) | |
208 | { | |
209 | struct venus_inst *inst = to_inst(file); | |
210 | ||
211 | vdec_try_fmt_common(inst, f); | |
212 | ||
213 | return 0; | |
214 | } | |
215 | ||
216 | static int vdec_g_fmt(struct file *file, void *fh, struct v4l2_format *f) | |
217 | { | |
218 | struct venus_inst *inst = to_inst(file); | |
219 | const struct venus_format *fmt = NULL; | |
220 | struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp; | |
221 | ||
222 | if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) | |
223 | fmt = inst->fmt_cap; | |
224 | else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) | |
225 | fmt = inst->fmt_out; | |
226 | ||
227 | if (inst->reconfig) { | |
228 | struct v4l2_format format = {}; | |
229 | ||
230 | inst->out_width = inst->reconfig_width; | |
231 | inst->out_height = inst->reconfig_height; | |
232 | inst->reconfig = false; | |
233 | ||
234 | format.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE; | |
235 | format.fmt.pix_mp.pixelformat = inst->fmt_cap->pixfmt; | |
236 | format.fmt.pix_mp.width = inst->out_width; | |
237 | format.fmt.pix_mp.height = inst->out_height; | |
238 | ||
239 | vdec_try_fmt_common(inst, &format); | |
240 | ||
241 | inst->width = format.fmt.pix_mp.width; | |
242 | inst->height = format.fmt.pix_mp.height; | |
243 | } | |
244 | ||
245 | pixmp->pixelformat = fmt->pixfmt; | |
246 | ||
247 | if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { | |
248 | pixmp->width = inst->width; | |
249 | pixmp->height = inst->height; | |
250 | pixmp->colorspace = inst->colorspace; | |
251 | pixmp->ycbcr_enc = inst->ycbcr_enc; | |
252 | pixmp->quantization = inst->quantization; | |
253 | pixmp->xfer_func = inst->xfer_func; | |
254 | } else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { | |
255 | pixmp->width = inst->out_width; | |
256 | pixmp->height = inst->out_height; | |
257 | } | |
258 | ||
259 | vdec_try_fmt_common(inst, f); | |
260 | ||
261 | return 0; | |
262 | } | |
263 | ||
264 | static int vdec_s_fmt(struct file *file, void *fh, struct v4l2_format *f) | |
265 | { | |
266 | struct venus_inst *inst = to_inst(file); | |
267 | struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp; | |
268 | struct v4l2_pix_format_mplane orig_pixmp; | |
269 | const struct venus_format *fmt; | |
270 | struct v4l2_format format; | |
271 | u32 pixfmt_out = 0, pixfmt_cap = 0; | |
272 | ||
273 | orig_pixmp = *pixmp; | |
274 | ||
275 | fmt = vdec_try_fmt_common(inst, f); | |
276 | ||
277 | if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { | |
278 | pixfmt_out = pixmp->pixelformat; | |
279 | pixfmt_cap = inst->fmt_cap->pixfmt; | |
280 | } else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { | |
281 | pixfmt_cap = pixmp->pixelformat; | |
282 | pixfmt_out = inst->fmt_out->pixfmt; | |
283 | } | |
284 | ||
285 | memset(&format, 0, sizeof(format)); | |
286 | ||
287 | format.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE; | |
288 | format.fmt.pix_mp.pixelformat = pixfmt_out; | |
289 | format.fmt.pix_mp.width = orig_pixmp.width; | |
290 | format.fmt.pix_mp.height = orig_pixmp.height; | |
291 | vdec_try_fmt_common(inst, &format); | |
292 | ||
293 | if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { | |
294 | inst->out_width = format.fmt.pix_mp.width; | |
295 | inst->out_height = format.fmt.pix_mp.height; | |
296 | inst->colorspace = pixmp->colorspace; | |
297 | inst->ycbcr_enc = pixmp->ycbcr_enc; | |
298 | inst->quantization = pixmp->quantization; | |
299 | inst->xfer_func = pixmp->xfer_func; | |
300 | } | |
301 | ||
302 | memset(&format, 0, sizeof(format)); | |
303 | ||
304 | format.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE; | |
305 | format.fmt.pix_mp.pixelformat = pixfmt_cap; | |
306 | format.fmt.pix_mp.width = orig_pixmp.width; | |
307 | format.fmt.pix_mp.height = orig_pixmp.height; | |
308 | vdec_try_fmt_common(inst, &format); | |
309 | ||
310 | inst->width = format.fmt.pix_mp.width; | |
311 | inst->height = format.fmt.pix_mp.height; | |
312 | ||
313 | if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) | |
314 | inst->fmt_out = fmt; | |
315 | else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) | |
316 | inst->fmt_cap = fmt; | |
317 | ||
318 | return 0; | |
319 | } | |
320 | ||
321 | static int | |
322 | vdec_g_selection(struct file *file, void *fh, struct v4l2_selection *s) | |
323 | { | |
324 | struct venus_inst *inst = to_inst(file); | |
325 | ||
326 | if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE && | |
327 | s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT) | |
328 | return -EINVAL; | |
329 | ||
330 | switch (s->target) { | |
331 | case V4L2_SEL_TGT_CROP_BOUNDS: | |
332 | case V4L2_SEL_TGT_CROP_DEFAULT: | |
333 | case V4L2_SEL_TGT_CROP: | |
334 | if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT) | |
335 | return -EINVAL; | |
336 | s->r.width = inst->out_width; | |
337 | s->r.height = inst->out_height; | |
338 | break; | |
339 | case V4L2_SEL_TGT_COMPOSE_BOUNDS: | |
340 | case V4L2_SEL_TGT_COMPOSE_PADDED: | |
341 | if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) | |
342 | return -EINVAL; | |
343 | s->r.width = inst->width; | |
344 | s->r.height = inst->height; | |
345 | break; | |
346 | case V4L2_SEL_TGT_COMPOSE_DEFAULT: | |
347 | case V4L2_SEL_TGT_COMPOSE: | |
348 | if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) | |
349 | return -EINVAL; | |
350 | s->r.width = inst->out_width; | |
351 | s->r.height = inst->out_height; | |
352 | break; | |
353 | default: | |
354 | return -EINVAL; | |
355 | } | |
356 | ||
357 | s->r.top = 0; | |
358 | s->r.left = 0; | |
359 | ||
360 | return 0; | |
361 | } | |
362 | ||
363 | static int | |
364 | vdec_querycap(struct file *file, void *fh, struct v4l2_capability *cap) | |
365 | { | |
366 | strlcpy(cap->driver, "qcom-venus", sizeof(cap->driver)); | |
367 | strlcpy(cap->card, "Qualcomm Venus video decoder", sizeof(cap->card)); | |
368 | strlcpy(cap->bus_info, "platform:qcom-venus", sizeof(cap->bus_info)); | |
369 | ||
370 | return 0; | |
371 | } | |
372 | ||
373 | static int vdec_enum_fmt(struct file *file, void *fh, struct v4l2_fmtdesc *f) | |
374 | { | |
29f0133e | 375 | struct venus_inst *inst = to_inst(file); |
7472c1c6 SV |
376 | const struct venus_format *fmt; |
377 | ||
378 | memset(f->reserved, 0, sizeof(f->reserved)); | |
379 | ||
29f0133e | 380 | fmt = find_format_by_index(inst, f->index, f->type); |
7472c1c6 SV |
381 | if (!fmt) |
382 | return -EINVAL; | |
383 | ||
384 | f->pixelformat = fmt->pixfmt; | |
385 | ||
386 | return 0; | |
387 | } | |
388 | ||
389 | static int vdec_s_parm(struct file *file, void *fh, struct v4l2_streamparm *a) | |
390 | { | |
391 | struct venus_inst *inst = to_inst(file); | |
392 | struct v4l2_captureparm *cap = &a->parm.capture; | |
393 | struct v4l2_fract *timeperframe = &cap->timeperframe; | |
394 | u64 us_per_frame, fps; | |
395 | ||
396 | if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE && | |
397 | a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) | |
398 | return -EINVAL; | |
399 | ||
400 | memset(cap->reserved, 0, sizeof(cap->reserved)); | |
401 | if (!timeperframe->denominator) | |
402 | timeperframe->denominator = inst->timeperframe.denominator; | |
403 | if (!timeperframe->numerator) | |
404 | timeperframe->numerator = inst->timeperframe.numerator; | |
405 | cap->readbuffers = 0; | |
406 | cap->extendedmode = 0; | |
407 | cap->capability = V4L2_CAP_TIMEPERFRAME; | |
408 | us_per_frame = timeperframe->numerator * (u64)USEC_PER_SEC; | |
409 | do_div(us_per_frame, timeperframe->denominator); | |
410 | ||
411 | if (!us_per_frame) | |
412 | return -EINVAL; | |
413 | ||
414 | fps = (u64)USEC_PER_SEC; | |
415 | do_div(fps, us_per_frame); | |
416 | ||
417 | inst->fps = fps; | |
418 | inst->timeperframe = *timeperframe; | |
419 | ||
420 | return 0; | |
421 | } | |
422 | ||
423 | static int vdec_enum_framesizes(struct file *file, void *fh, | |
424 | struct v4l2_frmsizeenum *fsize) | |
425 | { | |
426 | struct venus_inst *inst = to_inst(file); | |
427 | const struct venus_format *fmt; | |
428 | ||
29f0133e | 429 | fmt = find_format(inst, fsize->pixel_format, |
7472c1c6 SV |
430 | V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE); |
431 | if (!fmt) { | |
29f0133e | 432 | fmt = find_format(inst, fsize->pixel_format, |
7472c1c6 SV |
433 | V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE); |
434 | if (!fmt) | |
435 | return -EINVAL; | |
436 | } | |
437 | ||
438 | if (fsize->index) | |
439 | return -EINVAL; | |
440 | ||
441 | fsize->type = V4L2_FRMSIZE_TYPE_STEPWISE; | |
442 | ||
443 | fsize->stepwise.min_width = inst->cap_width.min; | |
444 | fsize->stepwise.max_width = inst->cap_width.max; | |
445 | fsize->stepwise.step_width = inst->cap_width.step_size; | |
446 | fsize->stepwise.min_height = inst->cap_height.min; | |
447 | fsize->stepwise.max_height = inst->cap_height.max; | |
448 | fsize->stepwise.step_height = inst->cap_height.step_size; | |
449 | ||
450 | return 0; | |
451 | } | |
452 | ||
453 | static int vdec_subscribe_event(struct v4l2_fh *fh, | |
454 | const struct v4l2_event_subscription *sub) | |
455 | { | |
456 | switch (sub->type) { | |
457 | case V4L2_EVENT_EOS: | |
458 | return v4l2_event_subscribe(fh, sub, 2, NULL); | |
459 | case V4L2_EVENT_SOURCE_CHANGE: | |
460 | return v4l2_src_change_event_subscribe(fh, sub); | |
461 | case V4L2_EVENT_CTRL: | |
462 | return v4l2_ctrl_subscribe_event(fh, sub); | |
463 | default: | |
464 | return -EINVAL; | |
465 | } | |
466 | } | |
467 | ||
468 | static int | |
469 | vdec_try_decoder_cmd(struct file *file, void *fh, struct v4l2_decoder_cmd *cmd) | |
470 | { | |
e69b987a SV |
471 | switch (cmd->cmd) { |
472 | case V4L2_DEC_CMD_STOP: | |
473 | if (cmd->flags & V4L2_DEC_CMD_STOP_TO_BLACK) | |
474 | return -EINVAL; | |
475 | break; | |
476 | default: | |
7472c1c6 | 477 | return -EINVAL; |
e69b987a | 478 | } |
7472c1c6 SV |
479 | |
480 | return 0; | |
481 | } | |
482 | ||
483 | static int | |
484 | vdec_decoder_cmd(struct file *file, void *fh, struct v4l2_decoder_cmd *cmd) | |
485 | { | |
486 | struct venus_inst *inst = to_inst(file); | |
e69b987a | 487 | struct hfi_frame_data fdata = {0}; |
7472c1c6 SV |
488 | int ret; |
489 | ||
490 | ret = vdec_try_decoder_cmd(file, fh, cmd); | |
491 | if (ret) | |
492 | return ret; | |
493 | ||
494 | mutex_lock(&inst->lock); | |
7472c1c6 | 495 | |
e69b987a SV |
496 | /* |
497 | * Implement V4L2_DEC_CMD_STOP by enqueue an empty buffer on decoder | |
498 | * input to signal EOS. | |
499 | */ | |
500 | if (!(inst->streamon_out & inst->streamon_cap)) | |
501 | goto unlock; | |
7472c1c6 | 502 | |
e69b987a SV |
503 | fdata.buffer_type = HFI_BUFFER_INPUT; |
504 | fdata.flags |= HFI_BUFFERFLAG_EOS; | |
505 | fdata.device_addr = 0xdeadbeef; | |
506 | ||
507 | ret = hfi_session_process_buf(inst, &fdata); | |
508 | ||
509 | unlock: | |
510 | mutex_unlock(&inst->lock); | |
511 | return ret; | |
7472c1c6 SV |
512 | } |
513 | ||
514 | static const struct v4l2_ioctl_ops vdec_ioctl_ops = { | |
515 | .vidioc_querycap = vdec_querycap, | |
516 | .vidioc_enum_fmt_vid_cap_mplane = vdec_enum_fmt, | |
517 | .vidioc_enum_fmt_vid_out_mplane = vdec_enum_fmt, | |
518 | .vidioc_s_fmt_vid_cap_mplane = vdec_s_fmt, | |
519 | .vidioc_s_fmt_vid_out_mplane = vdec_s_fmt, | |
520 | .vidioc_g_fmt_vid_cap_mplane = vdec_g_fmt, | |
521 | .vidioc_g_fmt_vid_out_mplane = vdec_g_fmt, | |
522 | .vidioc_try_fmt_vid_cap_mplane = vdec_try_fmt, | |
523 | .vidioc_try_fmt_vid_out_mplane = vdec_try_fmt, | |
524 | .vidioc_g_selection = vdec_g_selection, | |
525 | .vidioc_reqbufs = v4l2_m2m_ioctl_reqbufs, | |
526 | .vidioc_querybuf = v4l2_m2m_ioctl_querybuf, | |
527 | .vidioc_create_bufs = v4l2_m2m_ioctl_create_bufs, | |
528 | .vidioc_prepare_buf = v4l2_m2m_ioctl_prepare_buf, | |
529 | .vidioc_qbuf = v4l2_m2m_ioctl_qbuf, | |
530 | .vidioc_expbuf = v4l2_m2m_ioctl_expbuf, | |
531 | .vidioc_dqbuf = v4l2_m2m_ioctl_dqbuf, | |
532 | .vidioc_streamon = v4l2_m2m_ioctl_streamon, | |
533 | .vidioc_streamoff = v4l2_m2m_ioctl_streamoff, | |
534 | .vidioc_s_parm = vdec_s_parm, | |
535 | .vidioc_enum_framesizes = vdec_enum_framesizes, | |
536 | .vidioc_subscribe_event = vdec_subscribe_event, | |
537 | .vidioc_unsubscribe_event = v4l2_event_unsubscribe, | |
538 | .vidioc_try_decoder_cmd = vdec_try_decoder_cmd, | |
539 | .vidioc_decoder_cmd = vdec_decoder_cmd, | |
540 | }; | |
541 | ||
542 | static int vdec_set_properties(struct venus_inst *inst) | |
543 | { | |
544 | struct vdec_controls *ctr = &inst->controls.dec; | |
545 | struct venus_core *core = inst->core; | |
546 | struct hfi_enable en = { .enable = 1 }; | |
547 | u32 ptype; | |
548 | int ret; | |
549 | ||
550 | if (core->res->hfi_version == HFI_VERSION_1XX) { | |
551 | ptype = HFI_PROPERTY_PARAM_VDEC_CONTINUE_DATA_TRANSFER; | |
552 | ret = hfi_session_set_property(inst, ptype, &en); | |
553 | if (ret) | |
554 | return ret; | |
555 | } | |
556 | ||
557 | if (core->res->hfi_version == HFI_VERSION_3XX || | |
558 | inst->cap_bufs_mode_dynamic) { | |
559 | struct hfi_buffer_alloc_mode mode; | |
560 | ||
561 | ptype = HFI_PROPERTY_PARAM_BUFFER_ALLOC_MODE; | |
562 | mode.type = HFI_BUFFER_OUTPUT; | |
563 | mode.mode = HFI_BUFFER_MODE_DYNAMIC; | |
564 | ||
565 | ret = hfi_session_set_property(inst, ptype, &mode); | |
566 | if (ret) | |
567 | return ret; | |
568 | } | |
569 | ||
570 | if (ctr->post_loop_deb_mode) { | |
571 | ptype = HFI_PROPERTY_CONFIG_VDEC_POST_LOOP_DEBLOCKER; | |
572 | en.enable = 1; | |
573 | ret = hfi_session_set_property(inst, ptype, &en); | |
574 | if (ret) | |
575 | return ret; | |
576 | } | |
577 | ||
578 | return 0; | |
579 | } | |
580 | ||
581 | static int vdec_init_session(struct venus_inst *inst) | |
582 | { | |
583 | int ret; | |
584 | ||
585 | ret = hfi_session_init(inst, inst->fmt_out->pixfmt); | |
586 | if (ret) | |
587 | return ret; | |
588 | ||
589 | ret = venus_helper_set_input_resolution(inst, inst->out_width, | |
590 | inst->out_height); | |
591 | if (ret) | |
592 | goto deinit; | |
593 | ||
594 | ret = venus_helper_set_color_format(inst, inst->fmt_cap->pixfmt); | |
595 | if (ret) | |
596 | goto deinit; | |
597 | ||
598 | return 0; | |
599 | deinit: | |
600 | hfi_session_deinit(inst); | |
601 | return ret; | |
602 | } | |
603 | ||
604 | static int vdec_cap_num_buffers(struct venus_inst *inst, unsigned int *num) | |
605 | { | |
606 | struct hfi_buffer_requirements bufreq; | |
607 | int ret; | |
608 | ||
609 | ret = vdec_init_session(inst); | |
610 | if (ret) | |
611 | return ret; | |
612 | ||
613 | ret = venus_helper_get_bufreq(inst, HFI_BUFFER_OUTPUT, &bufreq); | |
614 | ||
615 | *num = bufreq.count_actual; | |
616 | ||
617 | hfi_session_deinit(inst); | |
618 | ||
619 | return ret; | |
620 | } | |
621 | ||
622 | static int vdec_queue_setup(struct vb2_queue *q, | |
623 | unsigned int *num_buffers, unsigned int *num_planes, | |
624 | unsigned int sizes[], struct device *alloc_devs[]) | |
625 | { | |
626 | struct venus_inst *inst = vb2_get_drv_priv(q); | |
627 | unsigned int p, num; | |
628 | int ret = 0; | |
629 | ||
630 | if (*num_planes) { | |
631 | if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE && | |
632 | *num_planes != inst->fmt_out->num_planes) | |
633 | return -EINVAL; | |
634 | ||
635 | if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE && | |
636 | *num_planes != inst->fmt_cap->num_planes) | |
637 | return -EINVAL; | |
638 | ||
639 | if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE && | |
640 | sizes[0] < inst->input_buf_size) | |
641 | return -EINVAL; | |
642 | ||
643 | if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE && | |
644 | sizes[0] < inst->output_buf_size) | |
645 | return -EINVAL; | |
646 | ||
647 | return 0; | |
648 | } | |
649 | ||
650 | switch (q->type) { | |
651 | case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE: | |
652 | *num_planes = inst->fmt_out->num_planes; | |
653 | sizes[0] = get_framesize_compressed(inst->out_width, | |
654 | inst->out_height); | |
655 | inst->input_buf_size = sizes[0]; | |
656 | inst->num_input_bufs = *num_buffers; | |
ebebc593 SV |
657 | |
658 | ret = vdec_cap_num_buffers(inst, &num); | |
659 | if (ret) | |
660 | break; | |
661 | ||
662 | inst->num_output_bufs = num; | |
7472c1c6 SV |
663 | break; |
664 | case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE: | |
665 | *num_planes = inst->fmt_cap->num_planes; | |
666 | ||
667 | ret = vdec_cap_num_buffers(inst, &num); | |
668 | if (ret) | |
669 | break; | |
670 | ||
671 | *num_buffers = max(*num_buffers, num); | |
672 | ||
673 | for (p = 0; p < *num_planes; p++) | |
674 | sizes[p] = get_framesize_uncompressed(p, inst->width, | |
675 | inst->height); | |
676 | ||
677 | inst->num_output_bufs = *num_buffers; | |
678 | inst->output_buf_size = sizes[0]; | |
679 | break; | |
680 | default: | |
681 | ret = -EINVAL; | |
682 | break; | |
683 | } | |
684 | ||
685 | return ret; | |
686 | } | |
687 | ||
688 | static int vdec_verify_conf(struct venus_inst *inst) | |
689 | { | |
f04997bd | 690 | enum hfi_version ver = inst->core->res->hfi_version; |
7472c1c6 SV |
691 | struct hfi_buffer_requirements bufreq; |
692 | int ret; | |
693 | ||
694 | if (!inst->num_input_bufs || !inst->num_output_bufs) | |
695 | return -EINVAL; | |
696 | ||
697 | ret = venus_helper_get_bufreq(inst, HFI_BUFFER_OUTPUT, &bufreq); | |
698 | if (ret) | |
699 | return ret; | |
700 | ||
701 | if (inst->num_output_bufs < bufreq.count_actual || | |
f04997bd | 702 | inst->num_output_bufs < HFI_BUFREQ_COUNT_MIN(&bufreq, ver)) |
7472c1c6 SV |
703 | return -EINVAL; |
704 | ||
705 | ret = venus_helper_get_bufreq(inst, HFI_BUFFER_INPUT, &bufreq); | |
706 | if (ret) | |
707 | return ret; | |
708 | ||
f04997bd | 709 | if (inst->num_input_bufs < HFI_BUFREQ_COUNT_MIN(&bufreq, ver)) |
7472c1c6 SV |
710 | return -EINVAL; |
711 | ||
712 | return 0; | |
713 | } | |
714 | ||
715 | static int vdec_start_streaming(struct vb2_queue *q, unsigned int count) | |
716 | { | |
717 | struct venus_inst *inst = vb2_get_drv_priv(q); | |
718 | struct venus_core *core = inst->core; | |
719 | u32 ptype; | |
720 | int ret; | |
721 | ||
722 | mutex_lock(&inst->lock); | |
723 | ||
724 | if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) | |
725 | inst->streamon_out = 1; | |
726 | else | |
727 | inst->streamon_cap = 1; | |
728 | ||
729 | if (!(inst->streamon_out & inst->streamon_cap)) { | |
730 | mutex_unlock(&inst->lock); | |
731 | return 0; | |
732 | } | |
733 | ||
734 | venus_helper_init_instance(inst); | |
735 | ||
736 | inst->reconfig = false; | |
737 | inst->sequence_cap = 0; | |
738 | inst->sequence_out = 0; | |
7472c1c6 SV |
739 | |
740 | ret = vdec_init_session(inst); | |
741 | if (ret) | |
742 | goto bufs_done; | |
743 | ||
744 | ret = vdec_set_properties(inst); | |
745 | if (ret) | |
746 | goto deinit_sess; | |
747 | ||
748 | if (core->res->hfi_version == HFI_VERSION_3XX) { | |
749 | struct hfi_buffer_size_actual buf_sz; | |
750 | ||
751 | ptype = HFI_PROPERTY_PARAM_BUFFER_SIZE_ACTUAL; | |
752 | buf_sz.type = HFI_BUFFER_OUTPUT; | |
753 | buf_sz.size = inst->output_buf_size; | |
754 | ||
755 | ret = hfi_session_set_property(inst, ptype, &buf_sz); | |
756 | if (ret) | |
757 | goto deinit_sess; | |
758 | } | |
759 | ||
760 | ret = vdec_verify_conf(inst); | |
761 | if (ret) | |
762 | goto deinit_sess; | |
763 | ||
764 | ret = venus_helper_set_num_bufs(inst, inst->num_input_bufs, | |
765 | VB2_MAX_FRAME); | |
766 | if (ret) | |
767 | goto deinit_sess; | |
768 | ||
769 | ret = venus_helper_vb2_start_streaming(inst); | |
770 | if (ret) | |
771 | goto deinit_sess; | |
772 | ||
773 | mutex_unlock(&inst->lock); | |
774 | ||
775 | return 0; | |
776 | ||
777 | deinit_sess: | |
778 | hfi_session_deinit(inst); | |
779 | bufs_done: | |
780 | venus_helper_buffers_done(inst, VB2_BUF_STATE_QUEUED); | |
781 | if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) | |
782 | inst->streamon_out = 0; | |
783 | else | |
784 | inst->streamon_cap = 0; | |
785 | mutex_unlock(&inst->lock); | |
786 | return ret; | |
787 | } | |
788 | ||
789 | static const struct vb2_ops vdec_vb2_ops = { | |
790 | .queue_setup = vdec_queue_setup, | |
791 | .buf_init = venus_helper_vb2_buf_init, | |
792 | .buf_prepare = venus_helper_vb2_buf_prepare, | |
793 | .start_streaming = vdec_start_streaming, | |
794 | .stop_streaming = venus_helper_vb2_stop_streaming, | |
795 | .buf_queue = venus_helper_vb2_buf_queue, | |
796 | }; | |
797 | ||
798 | static void vdec_buf_done(struct venus_inst *inst, unsigned int buf_type, | |
799 | u32 tag, u32 bytesused, u32 data_offset, u32 flags, | |
800 | u32 hfi_flags, u64 timestamp_us) | |
801 | { | |
802 | enum vb2_buffer_state state = VB2_BUF_STATE_DONE; | |
803 | struct vb2_v4l2_buffer *vbuf; | |
804 | struct vb2_buffer *vb; | |
805 | unsigned int type; | |
806 | ||
807 | if (buf_type == HFI_BUFFER_INPUT) | |
808 | type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE; | |
809 | else | |
810 | type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE; | |
811 | ||
812 | vbuf = venus_helper_find_buf(inst, type, tag); | |
813 | if (!vbuf) | |
814 | return; | |
815 | ||
816 | vbuf->flags = flags; | |
817 | vbuf->field = V4L2_FIELD_NONE; | |
818 | ||
819 | if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { | |
820 | vb = &vbuf->vb2_buf; | |
821 | vb->planes[0].bytesused = | |
822 | max_t(unsigned int, inst->output_buf_size, bytesused); | |
823 | vb->planes[0].data_offset = data_offset; | |
824 | vb->timestamp = timestamp_us * NSEC_PER_USEC; | |
825 | vbuf->sequence = inst->sequence_cap++; | |
826 | ||
7472c1c6 SV |
827 | if (vbuf->flags & V4L2_BUF_FLAG_LAST) { |
828 | const struct v4l2_event ev = { .type = V4L2_EVENT_EOS }; | |
829 | ||
830 | v4l2_event_queue_fh(&inst->fh, &ev); | |
831 | } | |
832 | } else { | |
833 | vbuf->sequence = inst->sequence_out++; | |
834 | } | |
835 | ||
836 | if (hfi_flags & HFI_BUFFERFLAG_READONLY) | |
837 | venus_helper_acquire_buf_ref(vbuf); | |
838 | ||
839 | if (hfi_flags & HFI_BUFFERFLAG_DATACORRUPT) | |
840 | state = VB2_BUF_STATE_ERROR; | |
841 | ||
842 | v4l2_m2m_buf_done(vbuf, state); | |
843 | } | |
844 | ||
845 | static void vdec_event_notify(struct venus_inst *inst, u32 event, | |
846 | struct hfi_event_data *data) | |
847 | { | |
848 | struct venus_core *core = inst->core; | |
849 | struct device *dev = core->dev_dec; | |
850 | static const struct v4l2_event ev = { | |
851 | .type = V4L2_EVENT_SOURCE_CHANGE, | |
852 | .u.src_change.changes = V4L2_EVENT_SRC_CH_RESOLUTION }; | |
853 | ||
854 | switch (event) { | |
855 | case EVT_SESSION_ERROR: | |
856 | inst->session_error = true; | |
857 | dev_err(dev, "dec: event session error %x\n", inst->error); | |
858 | break; | |
859 | case EVT_SYS_EVENT_CHANGE: | |
860 | switch (data->event_type) { | |
861 | case HFI_EVENT_DATA_SEQUENCE_CHANGED_SUFFICIENT_BUF_RESOURCES: | |
862 | hfi_session_continue(inst); | |
863 | dev_dbg(dev, "event sufficient resources\n"); | |
864 | break; | |
865 | case HFI_EVENT_DATA_SEQUENCE_CHANGED_INSUFFICIENT_BUF_RESOURCES: | |
866 | inst->reconfig_height = data->height; | |
867 | inst->reconfig_width = data->width; | |
868 | inst->reconfig = true; | |
869 | ||
870 | v4l2_event_queue_fh(&inst->fh, &ev); | |
871 | ||
872 | dev_dbg(dev, "event not sufficient resources (%ux%u)\n", | |
873 | data->width, data->height); | |
874 | break; | |
875 | case HFI_EVENT_RELEASE_BUFFER_REFERENCE: | |
876 | venus_helper_release_buf_ref(inst, data->tag); | |
877 | break; | |
878 | default: | |
879 | break; | |
880 | } | |
881 | break; | |
882 | default: | |
883 | break; | |
884 | } | |
885 | } | |
886 | ||
887 | static const struct hfi_inst_ops vdec_hfi_ops = { | |
888 | .buf_done = vdec_buf_done, | |
889 | .event_notify = vdec_event_notify, | |
890 | }; | |
891 | ||
892 | static void vdec_inst_init(struct venus_inst *inst) | |
893 | { | |
894 | inst->fmt_out = &vdec_formats[6]; | |
895 | inst->fmt_cap = &vdec_formats[0]; | |
896 | inst->width = 1280; | |
897 | inst->height = ALIGN(720, 32); | |
898 | inst->out_width = 1280; | |
899 | inst->out_height = 720; | |
900 | inst->fps = 30; | |
901 | inst->timeperframe.numerator = 1; | |
902 | inst->timeperframe.denominator = 30; | |
903 | ||
904 | inst->cap_width.min = 64; | |
905 | inst->cap_width.max = 1920; | |
906 | if (inst->core->res->hfi_version == HFI_VERSION_3XX) | |
907 | inst->cap_width.max = 3840; | |
908 | inst->cap_width.step_size = 1; | |
909 | inst->cap_height.min = 64; | |
910 | inst->cap_height.max = ALIGN(1080, 32); | |
911 | if (inst->core->res->hfi_version == HFI_VERSION_3XX) | |
912 | inst->cap_height.max = ALIGN(2160, 32); | |
913 | inst->cap_height.step_size = 1; | |
914 | inst->cap_framerate.min = 1; | |
915 | inst->cap_framerate.max = 30; | |
916 | inst->cap_framerate.step_size = 1; | |
917 | inst->cap_mbs_per_frame.min = 16; | |
918 | inst->cap_mbs_per_frame.max = 8160; | |
919 | } | |
920 | ||
921 | static const struct v4l2_m2m_ops vdec_m2m_ops = { | |
922 | .device_run = venus_helper_m2m_device_run, | |
923 | .job_abort = venus_helper_m2m_job_abort, | |
924 | }; | |
925 | ||
926 | static int m2m_queue_init(void *priv, struct vb2_queue *src_vq, | |
927 | struct vb2_queue *dst_vq) | |
928 | { | |
929 | struct venus_inst *inst = priv; | |
930 | int ret; | |
931 | ||
932 | src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE; | |
933 | src_vq->io_modes = VB2_MMAP | VB2_DMABUF; | |
934 | src_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY; | |
935 | src_vq->ops = &vdec_vb2_ops; | |
936 | src_vq->mem_ops = &vb2_dma_sg_memops; | |
937 | src_vq->drv_priv = inst; | |
938 | src_vq->buf_struct_size = sizeof(struct venus_buffer); | |
939 | src_vq->allow_zero_bytesused = 1; | |
940 | src_vq->min_buffers_needed = 1; | |
941 | src_vq->dev = inst->core->dev; | |
942 | ret = vb2_queue_init(src_vq); | |
943 | if (ret) | |
944 | return ret; | |
945 | ||
946 | dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE; | |
947 | dst_vq->io_modes = VB2_MMAP | VB2_DMABUF; | |
948 | dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY; | |
949 | dst_vq->ops = &vdec_vb2_ops; | |
950 | dst_vq->mem_ops = &vb2_dma_sg_memops; | |
951 | dst_vq->drv_priv = inst; | |
952 | dst_vq->buf_struct_size = sizeof(struct venus_buffer); | |
953 | dst_vq->allow_zero_bytesused = 1; | |
954 | dst_vq->min_buffers_needed = 1; | |
955 | dst_vq->dev = inst->core->dev; | |
956 | ret = vb2_queue_init(dst_vq); | |
957 | if (ret) { | |
958 | vb2_queue_release(src_vq); | |
959 | return ret; | |
960 | } | |
961 | ||
962 | return 0; | |
963 | } | |
964 | ||
965 | static int vdec_open(struct file *file) | |
966 | { | |
967 | struct venus_core *core = video_drvdata(file); | |
968 | struct venus_inst *inst; | |
969 | int ret; | |
970 | ||
971 | inst = kzalloc(sizeof(*inst), GFP_KERNEL); | |
972 | if (!inst) | |
973 | return -ENOMEM; | |
974 | ||
975 | INIT_LIST_HEAD(&inst->registeredbufs); | |
976 | INIT_LIST_HEAD(&inst->internalbufs); | |
977 | INIT_LIST_HEAD(&inst->list); | |
978 | mutex_init(&inst->lock); | |
979 | ||
980 | inst->core = core; | |
981 | inst->session_type = VIDC_SESSION_TYPE_DEC; | |
ebebc593 | 982 | inst->num_output_bufs = 1; |
7472c1c6 SV |
983 | |
984 | venus_helper_init_instance(inst); | |
985 | ||
986 | ret = pm_runtime_get_sync(core->dev_dec); | |
987 | if (ret < 0) | |
988 | goto err_free_inst; | |
989 | ||
990 | ret = vdec_ctrl_init(inst); | |
991 | if (ret) | |
992 | goto err_put_sync; | |
993 | ||
994 | ret = hfi_session_create(inst, &vdec_hfi_ops); | |
995 | if (ret) | |
996 | goto err_ctrl_deinit; | |
997 | ||
998 | vdec_inst_init(inst); | |
999 | ||
1000 | /* | |
1001 | * create m2m device for every instance, the m2m context scheduling | |
1002 | * is made by firmware side so we do not need to care about. | |
1003 | */ | |
1004 | inst->m2m_dev = v4l2_m2m_init(&vdec_m2m_ops); | |
1005 | if (IS_ERR(inst->m2m_dev)) { | |
1006 | ret = PTR_ERR(inst->m2m_dev); | |
1007 | goto err_session_destroy; | |
1008 | } | |
1009 | ||
1010 | inst->m2m_ctx = v4l2_m2m_ctx_init(inst->m2m_dev, inst, m2m_queue_init); | |
1011 | if (IS_ERR(inst->m2m_ctx)) { | |
1012 | ret = PTR_ERR(inst->m2m_ctx); | |
1013 | goto err_m2m_release; | |
1014 | } | |
1015 | ||
1016 | v4l2_fh_init(&inst->fh, core->vdev_dec); | |
1017 | ||
1018 | inst->fh.ctrl_handler = &inst->ctrl_handler; | |
1019 | v4l2_fh_add(&inst->fh); | |
1020 | inst->fh.m2m_ctx = inst->m2m_ctx; | |
1021 | file->private_data = &inst->fh; | |
1022 | ||
1023 | return 0; | |
1024 | ||
1025 | err_m2m_release: | |
1026 | v4l2_m2m_release(inst->m2m_dev); | |
1027 | err_session_destroy: | |
1028 | hfi_session_destroy(inst); | |
1029 | err_ctrl_deinit: | |
1030 | vdec_ctrl_deinit(inst); | |
1031 | err_put_sync: | |
1032 | pm_runtime_put_sync(core->dev_dec); | |
1033 | err_free_inst: | |
1034 | kfree(inst); | |
1035 | return ret; | |
1036 | } | |
1037 | ||
1038 | static int vdec_close(struct file *file) | |
1039 | { | |
1040 | struct venus_inst *inst = to_inst(file); | |
1041 | ||
1042 | v4l2_m2m_ctx_release(inst->m2m_ctx); | |
1043 | v4l2_m2m_release(inst->m2m_dev); | |
1044 | vdec_ctrl_deinit(inst); | |
1045 | hfi_session_destroy(inst); | |
1046 | mutex_destroy(&inst->lock); | |
1047 | v4l2_fh_del(&inst->fh); | |
1048 | v4l2_fh_exit(&inst->fh); | |
7472c1c6 SV |
1049 | |
1050 | pm_runtime_put_sync(inst->core->dev_dec); | |
17571ed6 SV |
1051 | |
1052 | kfree(inst); | |
7472c1c6 SV |
1053 | return 0; |
1054 | } | |
1055 | ||
1056 | static const struct v4l2_file_operations vdec_fops = { | |
1057 | .owner = THIS_MODULE, | |
1058 | .open = vdec_open, | |
1059 | .release = vdec_close, | |
1060 | .unlocked_ioctl = video_ioctl2, | |
1061 | .poll = v4l2_m2m_fop_poll, | |
1062 | .mmap = v4l2_m2m_fop_mmap, | |
1063 | #ifdef CONFIG_COMPAT | |
1064 | .compat_ioctl32 = v4l2_compat_ioctl32, | |
1065 | #endif | |
1066 | }; | |
1067 | ||
1068 | static int vdec_probe(struct platform_device *pdev) | |
1069 | { | |
1070 | struct device *dev = &pdev->dev; | |
1071 | struct video_device *vdev; | |
1072 | struct venus_core *core; | |
1073 | int ret; | |
1074 | ||
1075 | if (!dev->parent) | |
1076 | return -EPROBE_DEFER; | |
1077 | ||
1078 | core = dev_get_drvdata(dev->parent); | |
1079 | if (!core) | |
1080 | return -EPROBE_DEFER; | |
1081 | ||
1082 | if (core->res->hfi_version == HFI_VERSION_3XX) { | |
1083 | core->core0_clk = devm_clk_get(dev, "core"); | |
1084 | if (IS_ERR(core->core0_clk)) | |
1085 | return PTR_ERR(core->core0_clk); | |
1086 | } | |
1087 | ||
1088 | platform_set_drvdata(pdev, core); | |
1089 | ||
1090 | vdev = video_device_alloc(); | |
1091 | if (!vdev) | |
1092 | return -ENOMEM; | |
1093 | ||
5c2c1659 | 1094 | strlcpy(vdev->name, "qcom-venus-decoder", sizeof(vdev->name)); |
7472c1c6 SV |
1095 | vdev->release = video_device_release; |
1096 | vdev->fops = &vdec_fops; | |
1097 | vdev->ioctl_ops = &vdec_ioctl_ops; | |
1098 | vdev->vfl_dir = VFL_DIR_M2M; | |
1099 | vdev->v4l2_dev = &core->v4l2_dev; | |
1100 | vdev->device_caps = V4L2_CAP_VIDEO_M2M_MPLANE | V4L2_CAP_STREAMING; | |
1101 | ||
1102 | ret = video_register_device(vdev, VFL_TYPE_GRABBER, -1); | |
1103 | if (ret) | |
1104 | goto err_vdev_release; | |
1105 | ||
1106 | core->vdev_dec = vdev; | |
1107 | core->dev_dec = dev; | |
1108 | ||
1109 | video_set_drvdata(vdev, core); | |
1110 | pm_runtime_enable(dev); | |
1111 | ||
1112 | return 0; | |
1113 | ||
1114 | err_vdev_release: | |
1115 | video_device_release(vdev); | |
1116 | return ret; | |
1117 | } | |
1118 | ||
1119 | static int vdec_remove(struct platform_device *pdev) | |
1120 | { | |
1121 | struct venus_core *core = dev_get_drvdata(pdev->dev.parent); | |
1122 | ||
1123 | video_unregister_device(core->vdev_dec); | |
1124 | pm_runtime_disable(core->dev_dec); | |
1125 | ||
1126 | return 0; | |
1127 | } | |
1128 | ||
62d625c9 | 1129 | static __maybe_unused int vdec_runtime_suspend(struct device *dev) |
7472c1c6 SV |
1130 | { |
1131 | struct venus_core *core = dev_get_drvdata(dev); | |
1132 | ||
1133 | if (core->res->hfi_version == HFI_VERSION_1XX) | |
1134 | return 0; | |
1135 | ||
1136 | writel(0, core->base + WRAPPER_VDEC_VCODEC_POWER_CONTROL); | |
1137 | clk_disable_unprepare(core->core0_clk); | |
1138 | writel(1, core->base + WRAPPER_VDEC_VCODEC_POWER_CONTROL); | |
1139 | ||
1140 | return 0; | |
1141 | } | |
1142 | ||
62d625c9 | 1143 | static __maybe_unused int vdec_runtime_resume(struct device *dev) |
7472c1c6 SV |
1144 | { |
1145 | struct venus_core *core = dev_get_drvdata(dev); | |
1146 | int ret; | |
1147 | ||
1148 | if (core->res->hfi_version == HFI_VERSION_1XX) | |
1149 | return 0; | |
1150 | ||
1151 | writel(0, core->base + WRAPPER_VDEC_VCODEC_POWER_CONTROL); | |
1152 | ret = clk_prepare_enable(core->core0_clk); | |
1153 | writel(1, core->base + WRAPPER_VDEC_VCODEC_POWER_CONTROL); | |
1154 | ||
1155 | return ret; | |
1156 | } | |
7472c1c6 SV |
1157 | |
1158 | static const struct dev_pm_ops vdec_pm_ops = { | |
1159 | SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend, | |
1160 | pm_runtime_force_resume) | |
1161 | SET_RUNTIME_PM_OPS(vdec_runtime_suspend, vdec_runtime_resume, NULL) | |
1162 | }; | |
1163 | ||
1164 | static const struct of_device_id vdec_dt_match[] = { | |
1165 | { .compatible = "venus-decoder" }, | |
1166 | { } | |
1167 | }; | |
1168 | MODULE_DEVICE_TABLE(of, vdec_dt_match); | |
1169 | ||
1170 | static struct platform_driver qcom_venus_dec_driver = { | |
1171 | .probe = vdec_probe, | |
1172 | .remove = vdec_remove, | |
1173 | .driver = { | |
1174 | .name = "qcom-venus-decoder", | |
1175 | .of_match_table = vdec_dt_match, | |
1176 | .pm = &vdec_pm_ops, | |
1177 | }, | |
1178 | }; | |
1179 | module_platform_driver(qcom_venus_dec_driver); | |
1180 | ||
1181 | MODULE_ALIAS("platform:qcom-venus-decoder"); | |
1182 | MODULE_DESCRIPTION("Qualcomm Venus video decoder driver"); | |
1183 | MODULE_LICENSE("GPL v2"); |