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path: root/drivers/frame_provider/decoder/utils/frame_check.c (plain)
blob: accb4305feb4a2322b0dd5e70966996478211446
1/*
2 * drivers/amlogic/media/frame_provider/decoder/utils/frame_check.c
3 *
4 * Copyright (C) 2016 Amlogic, Inc. All rights reserved.
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
14 * more details.
15 *
16 */
17#include <linux/kernel.h>
18#include <linux/module.h>
19#include <linux/types.h>
20#include <linux/errno.h>
21#include <linux/kfifo.h>
22#include <linux/interrupt.h>
23#include <linux/semaphore.h>
24#include <linux/delay.h>
25#include <linux/timer.h>
26#include <linux/kfifo.h>
27#include <linux/kthread.h>
28#include <linux/platform_device.h>
29#include <linux/amlogic/media/canvas/canvas.h>
30#include <linux/amlogic/media/canvas/canvas_mgr.h>
31#include <linux/amlogic/media/vfm/vframe.h>
32#include <linux/amlogic/media/codec_mm/codec_mm.h>
33#include <linux/dma-mapping.h>
34#include <linux/dma-contiguous.h>
35#include <asm-generic/checksum.h>
36#include <linux/amlogic/media/codec_mm/configs.h>
37#include <linux/crc32.h>
38#include <linux/fs.h>
39#include "vdec.h"
40#include "frame_check.h"
41#include "amlogic_fbc_hook.h"
42#include <linux/highmem.h>
43#include <linux/page-flags.h>
44#include "../../../common/chips/decoder_cpu_ver_info.h"
45#include <asm/cacheflush.h>
46
47#define FC_ERROR 0x0
48
49#define FC_YUV_DEBUG 0x01
50#define FC_CRC_DEBUG 0x02
51#define FC_TST_DEBUG 0x80
52#define FC_ERR_CRC_BLOCK_MODE 0x10
53#define FC_CHECK_CRC_LOOP_MODE 0x20
54
55#define YUV_MASK 0x01
56#define CRC_MASK 0x02
57
58#define MAX_YUV_SIZE (4096 * 2304)
59#define YUV_DEF_SIZE (MAX_YUV_SIZE * 3 / 2)
60#define YUV_DEF_NUM 1
61
62#define MAX_SIZE_AFBC_PLANES (4096 * 2048)
63
64#define VMAP_STRIDE_SIZE (1024*1024)
65
66static unsigned int fc_debug;
67static unsigned int size_yuv_buf = (YUV_DEF_SIZE * YUV_DEF_NUM);
68
69#define dbg_print(mask, ...) do { \
70 if ((fc_debug & mask) || \
71 (mask == FC_ERROR)) \
72 printk("[FRMAE_CHECK] "__VA_ARGS__);\
73 } while(0)
74
75
76#define CRC_PATH "/data/tmp/"
77#define YUV_PATH "/data/tmp/"
78static char comp_crc[128] = "name";
79
80static struct vdec_s *single_mode_vdec = NULL;
81
82static unsigned int yuv_enable, check_enable;
83static unsigned int yuv_start[MAX_INSTANCE_MUN];
84static unsigned int yuv_num[MAX_INSTANCE_MUN];
85
86
87static inline void set_enable(struct pic_check_mgr_t *p, int mask)
88{
89 p->enable |= mask;
90}
91
92static inline void set_disable(struct pic_check_mgr_t *p, int mask)
93{
94 p->enable &= (~mask);
95}
96
97static inline void check_schedule(struct pic_check_mgr_t *mgr)
98{
99 if (atomic_read(&mgr->work_inited))
100 vdec_schedule_work(&mgr->frame_check_work);
101}
102
103static bool is_oversize(int w, int h)
104{
105 if (w <= 0 || h <= 0)
106 return true;
107
108 if (h != 0 && (w > (MAX_YUV_SIZE / h)))
109 return true;
110
111 return false;
112}
113
114
115static int get_frame_size(struct pic_check_mgr_t *pic,
116 struct vframe_s *vf)
117{
118 if (is_oversize(vf->width, vf->height)) {
119 dbg_print(FC_ERROR, "vf size err: w=%d, h=%d\n",
120 vf->width, vf->height);
121 return -1;
122 }
123
124 pic->size_y = vf->width * vf->height;
125 pic->size_uv = pic->size_y >> (1 + pic->mjpeg_flag);
126 pic->size_pic = pic->size_y + (pic->size_y >> 1);
127
128 if ((!(vf->type & VIDTYPE_VIU_NV21)) && (!pic->mjpeg_flag))
129 return 0;
130
131 if ((vf->canvas0Addr == vf->canvas1Addr) &&
132 (vf->canvas0Addr != 0) &&
133 (vf->canvas0Addr != -1)) {
134 pic->canvas_w =
135 canvas_get_width(canvasY(vf->canvas0Addr));
136 pic->canvas_h =
137 canvas_get_height(canvasY(vf->canvas0Addr));
138 } else {
139 pic->canvas_w = vf->canvas0_config[0].width;
140 pic->canvas_h = vf->canvas0_config[0].height;
141 }
142
143 if ((pic->canvas_h < 1) || (pic->canvas_w < 1)) {
144 dbg_print(FC_ERROR, "(canvas,pic) w(%d,%d), h(%d,%d)\n",
145 pic->canvas_w, vf->width, pic->canvas_h, vf->height);
146 return -1;
147 }
148/*
149 int blkmod;
150 blkmod = canvas_get_blkmode(canvasY(vf->canvas0Addr));
151 if (blkmod != CANVAS_BLKMODE_LINEAR) {
152 dbg_print(0, "WARN: canvas blkmod %x\n", blkmod);
153 }
154*/
155 return 0;
156}
157
158static int canvas_get_virt_addr(struct pic_check_mgr_t *pic,
159 struct vframe_s *vf)
160{
161 int phy_y_addr, phy_uv_addr;
162 void *vaddr_y, *vaddr_uv;
163
164 if ((vf->canvas0Addr == vf->canvas1Addr) &&
165 (vf->canvas0Addr != 0) &&
166 (vf->canvas0Addr != -1)) {
167 phy_y_addr = canvas_get_addr(canvasY(vf->canvas0Addr));
168 phy_uv_addr = canvas_get_addr(canvasU(vf->canvas0Addr));
169 } else {
170 phy_y_addr = vf->canvas0_config[0].phy_addr;
171 phy_uv_addr = vf->canvas0_config[1].phy_addr;
172 }
173 vaddr_y = codec_mm_phys_to_virt(phy_y_addr);
174 vaddr_uv = codec_mm_phys_to_virt(phy_uv_addr);
175
176 if (((!vaddr_y) || (!vaddr_uv)) && ((!phy_y_addr) || (!phy_uv_addr))) {
177 dbg_print(FC_ERROR, "%s, y_addr %p(0x%x), uv_addr %p(0x%x)\n",
178 __func__, vaddr_y, phy_y_addr, vaddr_uv, phy_uv_addr);
179 return -1;
180 }
181 pic->y_vaddr = vaddr_y;
182 pic->uv_vaddr = vaddr_uv;
183 pic->y_phyaddr = phy_y_addr;
184 pic->uv_phyaddr = phy_uv_addr;
185
186 if (pic->mjpeg_flag) {
187 if ((vf->canvas0Addr == vf->canvas1Addr) &&
188 (vf->canvas0Addr != 0) &&
189 (vf->canvas0Addr != -1)) {
190 pic->extra_v_phyaddr = canvas_get_addr(canvasV(vf->canvas0Addr));
191 } else {
192 pic->extra_v_phyaddr = vf->canvas0_config[2].phy_addr;
193 }
194 pic->extra_v_vaddr = codec_mm_phys_to_virt(phy_uv_addr);
195
196 if (!pic->extra_v_vaddr && !pic->extra_v_phyaddr)
197 return -1;
198 }
199
200 return 0;
201}
202
203static int str_strip(char *str)
204{
205 char *s = str;
206 int i = 0;
207
208 while (s[i]) {
209 if (s[i] == '\n')
210 s[i] = 0;
211 else if (s[i] == ' ')
212 s[i] = '_';
213 i++;
214 }
215
216 return i;
217}
218
219static char *fget_crc_str(char *buf,
220 unsigned int size, struct pic_check_t *fc)
221{
222 unsigned int c = 0, sz, ret, index, crc1, crc2;
223 mm_segment_t old_fs;
224 char *cs;
225
226 if (!fc->compare_fp)
227 return NULL;
228
229 old_fs = get_fs();
230 set_fs(KERNEL_DS);
231
232 do {
233 cs = buf;
234 sz = size;
235 while (--sz && (c = vfs_read(fc->compare_fp,
236 cs, 1, &fc->compare_pos) != 0)) {
237 if (*cs++ == '\n')
238 break;
239 }
240 *cs = '\0';
241 if ((c == 0) && (cs == buf)) {
242 set_fs(old_fs);
243 return NULL;
244 }
245 ret = sscanf(buf, "%08u: %8x %8x", &index, &crc1, &crc2);
246 dbg_print(FC_CRC_DEBUG, "%s, index = %d, cmp = %d\n",
247 __func__, index, fc->cmp_crc_cnt);
248 }while(ret != 3 || index != fc->cmp_crc_cnt);
249
250 set_fs(old_fs);
251 fc->cmp_crc_cnt++;
252
253 return buf;
254}
255
256static struct file* file_open(int mode, const char *str, ...)
257{
258 char file[256] = {0};
259 struct file* fp = NULL;
260 va_list args;
261
262 va_start(args, str);
263 vsnprintf(file, sizeof(file), str, args);
264
265 fp = filp_open(file, mode, (mode&O_CREAT)?0666:0);
266 if (IS_ERR(fp)) {
267 fp = NULL;
268 dbg_print(FC_ERROR, "open %s failed\n", file);
269 va_end(args);
270 return fp;
271 }
272 dbg_print(FC_ERROR, "open %s success\n", file);
273 va_end(args);
274
275 return fp;
276}
277
278static int write_yuv_work(struct pic_check_mgr_t *mgr)
279{
280 mm_segment_t old_fs;
281 unsigned int i, wr_size, pic_num;
282 struct pic_dump_t *dump = &mgr->pic_dump;
283
284 if (dump->dump_cnt > 0) {
285 if (!dump->yuv_fp) {
286 dump->yuv_fp = file_open(O_CREAT | O_WRONLY | O_TRUNC,
287 "%s%s-%d-%d.yuv", YUV_PATH, comp_crc, mgr->id, mgr->file_cnt);
288 dump->yuv_pos = 0;
289 }
290
291 if ((mgr->enable & YUV_MASK) &&
292 (dump->yuv_fp != NULL) &&
293 (dump->dump_cnt >= dump->num)) {
294
295 i = 0;
296 pic_num = dump->dump_cnt;
297 old_fs = get_fs();
298 set_fs(KERNEL_DS);
299 while (pic_num > 0) {
300 wr_size = vfs_write(dump->yuv_fp,
301 (dump->buf_addr + i * mgr->size_pic),
302 mgr->size_pic, &dump->yuv_pos);
303 if (mgr->size_pic != wr_size) {
304 dbg_print(FC_ERROR, "buf failed to write yuv file\n");
305 break;
306 }
307 pic_num--;
308 i++;
309 }
310 set_fs(old_fs);
311 vfs_fsync(dump->yuv_fp, 0);
312
313 filp_close(dump->yuv_fp, current->files);
314 dump->yuv_pos = 0;
315 dump->yuv_fp = NULL;
316 set_disable(mgr, YUV_MASK);
317 dbg_print(FC_YUV_DEBUG,
318 "closed yuv file, dump yuv exit\n");
319 dump->num = 0;
320 dump->dump_cnt = 0;
321 if (dump->buf_addr != NULL)
322 vfree(dump->buf_addr);
323 dump->buf_addr = NULL;
324 dump->buf_size = 0;
325 }
326 }
327
328 return 0;
329}
330
331static int write_crc_work(struct pic_check_mgr_t *mgr)
332{
333 unsigned int wr_size;
334 char *crc_buf, crc_tmp[64*30];
335 mm_segment_t old_fs;
336 struct pic_check_t *check = &mgr->pic_check;
337
338 if (mgr->enable & CRC_MASK) {
339 wr_size = 0;
340 while (kfifo_get(&check->wr_chk_q, &crc_buf) != 0) {
341 wr_size += sprintf(&crc_tmp[wr_size], "%s", crc_buf);
342 if (check->compare_fp != NULL) {
343 if (!fget_crc_str(crc_buf, SIZE_CRC, check)) {
344 dbg_print(0, "%s, can't get more compare crc\n", __func__);
345 filp_close(check->compare_fp, current->files);
346 check->compare_fp = NULL;
347 }
348 }
349 kfifo_put(&check->new_chk_q, crc_buf);
350 }
351 if (check->check_fp && (wr_size != 0)) {
352 old_fs = get_fs();
353 set_fs(KERNEL_DS);
354 if (wr_size != vfs_write(check->check_fp,
355 crc_tmp, wr_size, &check->check_pos)) {
356 dbg_print(FC_ERROR, "failed to check_dump_filp\n");
357 }
358 set_fs(old_fs);
359 }
360 }
361 return 0;
362}
363
364static void do_check_work(struct work_struct *work)
365{
366 struct pic_check_mgr_t *mgr = container_of(work,
367 struct pic_check_mgr_t, frame_check_work);
368
369 write_yuv_work(mgr);
370
371 write_crc_work(mgr);
372}
373
374static int memcpy_phy_to_virt(char *to_virt,
375 ulong phy_from, unsigned int size)
376{
377 void *vaddr = NULL;
378 unsigned int tmp_size = 0;
379
380 if (single_mode_vdec != NULL) {
381 unsigned int offset = phy_from & (~PAGE_MASK);
382 while (size > 0) {
383 /* flush dcache in isr. */
384 flush_dcache_page(phys_to_page(phy_from));
385
386 if (offset + size >= PAGE_SIZE) {
387 vaddr = kmap_atomic(phys_to_page(phy_from));
388 tmp_size = (PAGE_SIZE - offset);
389 phy_from += tmp_size; //for next loop;
390 size -= tmp_size;
391 vaddr += offset;
392 } else {
393 vaddr = kmap_atomic(phys_to_page(phy_from));
394 vaddr += offset;
395 tmp_size = size;
396 size = 0;
397 }
398 if (vaddr == NULL) {
399 dbg_print(FC_CRC_DEBUG, "%s: kmap_atomic failed phy: 0x%x\n",
400 __func__, (unsigned int)phy_from);
401 return -1;
402 }
403
404 memcpy(to_virt, vaddr, tmp_size);
405 to_virt += tmp_size;
406
407 kunmap_atomic(vaddr - offset);
408 offset = 0;
409 }
410 } else {
411 while (size > 0) {
412 if (size >= VMAP_STRIDE_SIZE) {
413 vaddr = codec_mm_vmap(phy_from, VMAP_STRIDE_SIZE);
414 tmp_size = VMAP_STRIDE_SIZE;
415 phy_from += VMAP_STRIDE_SIZE;
416 size -= VMAP_STRIDE_SIZE;
417 } else {
418 vaddr = codec_mm_vmap(phy_from, size);
419 tmp_size = size;
420 size = 0;
421 }
422 if (vaddr == NULL) {
423 dbg_print(FC_YUV_DEBUG, "%s: codec_mm_vmap failed phy: 0x%x\n",
424 __func__, (unsigned int)phy_from);
425 return -1;
426 }
427 codec_mm_dma_flush(vaddr,
428 tmp_size, DMA_FROM_DEVICE);
429 memcpy(to_virt, vaddr, tmp_size);
430 to_virt += tmp_size;
431
432 codec_mm_unmap_phyaddr(vaddr);
433 }
434 }
435 return 0;
436}
437
438
439static int do_yuv_unit_cp(void **addr, ulong phy, void *virt,
440 int h, int w, int stride)
441{
442 int ret = 0, i;
443 void *tmp = *addr;
444
445 if ((phy != 0) && (virt == NULL)) {
446 for (i = 0; i < h; i++) {
447 ret |= memcpy_phy_to_virt(tmp, phy, w);
448 phy += stride;
449 tmp += w;
450 }
451 } else {
452 for (i = 0; i < h; i++) {
453 memcpy(tmp, virt, w);
454 virt += stride;
455 tmp += w;
456 }
457 }
458 *addr = tmp;
459
460 return ret;
461}
462
463static int do_yuv_dump(struct pic_check_mgr_t *mgr, struct vframe_s *vf)
464{
465 int ret = 0;
466 void *tmp_addr;
467 struct pic_dump_t *dump = &mgr->pic_dump;
468
469 if (dump->start > 0) {
470 dump->start--;
471 return 0;
472 }
473
474 if (dump->dump_cnt >= dump->num)
475 return 0;
476
477 if (single_mode_vdec != NULL) {
478 if (mgr->size_pic >
479 (dump->buf_size - dump->dump_cnt * mgr->size_pic)) {
480 if (dump->buf_size) {
481 dbg_print(FC_ERROR,
482 "not enough buf for single mode, force dump less\n");
483 dump->num = dump->dump_cnt;
484 check_schedule(mgr);
485 } else
486 set_disable(mgr, YUV_MASK);
487 return -1;
488 }
489 tmp_addr = dump->buf_addr +
490 mgr->size_pic * dump->dump_cnt;
491 } else {
492 if (mgr->size_pic > dump->buf_size) {
493 dbg_print(FC_ERROR,
494 "not enough size, pic/buf size: 0x%x/0x%x\n",
495 mgr->size_pic, dump->buf_size);
496 return -1;
497 }
498 tmp_addr = dump->buf_addr;
499 }
500
501 if (vf->width == mgr->canvas_w) {
502 if ((mgr->uv_vaddr == NULL) || (mgr->y_vaddr == NULL)) {
503 ret |= memcpy_phy_to_virt(tmp_addr, mgr->y_phyaddr, mgr->size_y);
504 ret |= memcpy_phy_to_virt(tmp_addr + mgr->size_y,
505 mgr->uv_phyaddr, mgr->size_uv);
506 if (mgr->mjpeg_flag) /*mjpeg yuv420 u v is separate */
507 ret |= memcpy_phy_to_virt(tmp_addr + mgr->size_y + mgr->size_uv,
508 mgr->extra_v_phyaddr, mgr->size_uv);
509 } else {
510 memcpy(tmp_addr, mgr->y_vaddr, mgr->size_y);
511 memcpy(tmp_addr + mgr->size_y, mgr->uv_vaddr, mgr->size_uv);
512 if (mgr->mjpeg_flag) /*mjpeg u v is separate */
513 memcpy(tmp_addr + mgr->size_y + mgr->size_uv,
514 mgr->extra_v_vaddr, mgr->size_uv);
515 }
516 } else {
517 u32 uv_stride, uv_cpsize;
518 ret |= do_yuv_unit_cp(&tmp_addr, mgr->y_phyaddr, mgr->y_vaddr,
519 vf->height, vf->width, mgr->canvas_w);
520
521 uv_stride = (mgr->mjpeg_flag) ? (mgr->canvas_w >> 1) : mgr->canvas_w;
522 uv_cpsize = (mgr->mjpeg_flag) ? (vf->width >> 1) : vf->width;
523 ret |= do_yuv_unit_cp(&tmp_addr, mgr->uv_phyaddr, mgr->uv_vaddr,
524 vf->height >> 1, uv_cpsize, uv_stride);
525
526 if (mgr->mjpeg_flag) {
527 ret |= do_yuv_unit_cp(&tmp_addr, mgr->extra_v_phyaddr, mgr->extra_v_vaddr,
528 vf->height >> 1, uv_cpsize, uv_stride);
529 }
530 }
531
532 dump->dump_cnt++;
533 dbg_print(0, "----->dump %dst, size %x (%d x %d), dec total %d\n",
534 dump->dump_cnt, mgr->size_pic, vf->width, vf->height, mgr->frame_cnt);
535
536 if (single_mode_vdec != NULL) {
537 /* single mode need schedule work to write*/
538 if (dump->dump_cnt >= dump->num)
539 check_schedule(mgr);
540 } else {
541 int wr_size;
542 mm_segment_t old_fs;
543
544 /* dump for dec pic not in isr */
545 if (dump->yuv_fp == NULL) {
546 dump->yuv_fp = file_open(O_CREAT | O_WRONLY | O_TRUNC,
547 "%s%s-%d-%d.yuv", YUV_PATH, comp_crc, mgr->id, mgr->file_cnt);
548 if (dump->yuv_fp == NULL)
549 return -1;
550 }
551 old_fs = get_fs();
552 set_fs(KERNEL_DS);
553 wr_size = vfs_write(dump->yuv_fp, dump->buf_addr,
554 mgr->size_pic, &dump->yuv_pos);
555 if (mgr->size_pic != wr_size) {
556 dbg_print(FC_ERROR, "buf failed to write yuv file\n");
557 }
558 set_fs(old_fs);
559 vfs_fsync(dump->yuv_fp, 0);
560 }
561
562 return 0;
563}
564
565static int crc_store(struct pic_check_mgr_t *mgr, struct vframe_s *vf,
566 int crc_y, int crc_uv)
567{
568 int ret = 0;
569 char *crc_addr = NULL;
570 int comp_frame = 0, comp_crc_y, comp_crc_uv;
571 struct pic_check_t *check = &mgr->pic_check;
572
573 if (kfifo_get(&check->new_chk_q, &crc_addr) == 0) {
574 dbg_print(0, "%08d: %08x %08x\n",
575 mgr->frame_cnt, crc_y, crc_uv);
576 if (check->check_fp) {
577 dbg_print(0, "crc32 dropped\n");
578 } else {
579 dbg_print(0, "no opened file to write crc32\n");
580 }
581 return -1;
582 }
583 if (check->cmp_crc_cnt > mgr->frame_cnt) {
584 sscanf(crc_addr, "%08u: %8x %8x",
585 &comp_frame, &comp_crc_y, &comp_crc_uv);
586
587 dbg_print(0, "%08d: %08x %08x <--> %08d: %08x %08x\n",
588 mgr->frame_cnt, crc_y, crc_uv,
589 comp_frame, comp_crc_y, comp_crc_uv);
590
591 if (comp_frame == mgr->frame_cnt) {
592 if ((comp_crc_y != crc_y) || (crc_uv != comp_crc_uv)) {
593 mgr->pic_dump.start = 0;
594 if (fc_debug || mgr->pic_dump.num < 3)
595 mgr->pic_dump.num++;
596 dbg_print(0, "\n\nError: %08d: %08x %08x != %08x %08x\n\n",
597 mgr->frame_cnt, crc_y, crc_uv, comp_crc_y, comp_crc_uv);
598 do_yuv_dump(mgr, vf);
599 if (fc_debug & FC_ERR_CRC_BLOCK_MODE)
600 mgr->err_crc_block = 1;
601 mgr->usr_cmp_result = -mgr->frame_cnt;
602 }
603 } else {
604 mgr->usr_cmp_result = -mgr->frame_cnt;
605 dbg_print(0, "frame num error: frame_cnt(%d) frame_comp(%d)\n",
606 mgr->frame_cnt, comp_frame);
607 }
608 } else {
609 dbg_print(0, "%08d: %08x %08x\n", mgr->frame_cnt, crc_y, crc_uv);
610 }
611
612 if ((check->check_fp) && (crc_addr != NULL)) {
613 ret = snprintf(crc_addr, SIZE_CRC,
614 "%08d: %08x %08x\n", mgr->frame_cnt, crc_y, crc_uv);
615
616 kfifo_put(&check->wr_chk_q, crc_addr);
617 if ((mgr->frame_cnt & 0xf) == 0)
618 check_schedule(mgr);
619 }
620 return ret;
621}
622
623
624static int crc32_vmap_le(unsigned int *crc32,
625 ulong phyaddr, unsigned int size)
626{
627 void *vaddr = NULL;
628 unsigned int crc = *crc32;
629 unsigned int tmp_size = 0;
630
631 /*single mode cannot use codec_mm_vmap*/
632 if (single_mode_vdec != NULL) {
633 unsigned int offset = phyaddr & (~PAGE_MASK);
634 while (size > 0) {
635 /*flush dcache in isr.*/
636 flush_dcache_page(phys_to_page(phyaddr));
637
638 if (offset + size >= PAGE_SIZE) {
639 vaddr = kmap_atomic(phys_to_page(phyaddr));
640 tmp_size = (PAGE_SIZE - offset);
641 phyaddr += tmp_size;
642 size -= tmp_size;
643 vaddr += offset;
644 } else {
645 vaddr = kmap_atomic(phys_to_page(phyaddr));
646 tmp_size = size;
647 vaddr += offset;
648 size = 0;
649 }
650 if (vaddr == NULL) {
651 dbg_print(FC_CRC_DEBUG, "%s: kmap_atomic failed phy: 0x%x\n",
652 __func__, (unsigned int)phyaddr);
653 return -1;
654 }
655
656 crc = crc32_le(crc, vaddr, tmp_size);
657
658 kunmap_atomic(vaddr - offset);
659 offset = 0;
660 }
661 } else {
662 while (size > 0) {
663 if (size >= VMAP_STRIDE_SIZE) {
664 vaddr = codec_mm_vmap(phyaddr, VMAP_STRIDE_SIZE);
665 tmp_size = VMAP_STRIDE_SIZE;
666 phyaddr += VMAP_STRIDE_SIZE;
667 size -= VMAP_STRIDE_SIZE;
668 } else {
669 vaddr = codec_mm_vmap(phyaddr, size);
670 tmp_size = size;
671 size = 0;
672 }
673 if (vaddr == NULL) {
674 dbg_print(FC_CRC_DEBUG, "%s: codec_mm_vmap failed phy: 0x%x\n",
675 __func__, (unsigned int)phyaddr);
676 return -1;
677 }
678 codec_mm_dma_flush(vaddr,
679 tmp_size, DMA_FROM_DEVICE);
680
681 crc = crc32_le(crc, vaddr, tmp_size);
682
683 codec_mm_unmap_phyaddr(vaddr);
684 }
685 }
686 *crc32 = crc;
687
688 return 0;
689}
690
691static int do_check_nv21(struct pic_check_mgr_t *mgr, struct vframe_s *vf)
692{
693 int i;
694 unsigned int crc_y = 0, crc_uv = 0;
695 void *p_yaddr, *p_uvaddr;
696 ulong y_phyaddr, uv_phyaddr;
697 int ret = 0;
698
699 p_yaddr = mgr->y_vaddr;
700 p_uvaddr = mgr->uv_vaddr;
701 y_phyaddr = mgr->y_phyaddr;
702 uv_phyaddr = mgr->uv_phyaddr;
703 if ((p_yaddr == NULL) || (p_uvaddr == NULL))
704 {
705 if (vf->width == mgr->canvas_w) {
706 ret = crc32_vmap_le(&crc_y, y_phyaddr, mgr->size_y);
707 ret |= crc32_vmap_le(&crc_uv, uv_phyaddr, mgr->size_uv);
708 } else {
709 for (i = 0; i < vf->height; i++) {
710 ret |= crc32_vmap_le(&crc_y, y_phyaddr, vf->width);
711 y_phyaddr += mgr->canvas_w;
712 }
713 for (i = 0; i < vf->height/2; i++) {
714 ret |= crc32_vmap_le(&crc_uv, uv_phyaddr, vf->width);
715 uv_phyaddr += mgr->canvas_w;
716 }
717 }
718 if (ret < 0) {
719 dbg_print(0, "calc crc failed, may codec_mm_vmap failed\n");
720 return ret;
721 }
722 } else {
723 if (mgr->frame_cnt == 0) {
724 unsigned int *p = mgr->y_vaddr;
725 dbg_print(0, "YUV0000: %08x-%08x-%08x-%08x\n",
726 p[0], p[1], p[2], p[3]);
727 }
728 if (vf->width == mgr->canvas_w) {
729 crc_y = crc32_le(crc_y, p_yaddr, mgr->size_y);
730 crc_uv = crc32_le(crc_uv, p_uvaddr, mgr->size_uv);
731 } else {
732 for (i = 0; i < vf->height; i++) {
733 crc_y = crc32_le(crc_y, p_yaddr, vf->width);
734 p_yaddr += mgr->canvas_w;
735 }
736 for (i = 0; i < vf->height/2; i++) {
737 crc_uv = crc32_le(crc_uv, p_uvaddr, vf->width);
738 p_uvaddr += mgr->canvas_w;
739 }
740 }
741 }
742
743 crc_store(mgr, vf, crc_y, crc_uv);
744
745 return 0;
746}
747
748static int do_check_yuv16(struct pic_check_mgr_t *mgr,
749 struct vframe_s *vf, char *ybuf, char *uvbuf,
750 char *ubuf, char *vbuf)
751{
752 unsigned int crc1, crc2, crc3, crc4;
753 int w, h;
754
755 w = vf->width;
756 h = vf->height;
757 crc1 = 0;
758 crc2 = 0;
759 crc3 = 0;
760 crc4 = 0;
761
762 crc1 = crc32_le(0, ybuf, w * h *2);
763 crc2 = crc32_le(0, ubuf, w * h/2);
764 crc3 = crc32_le(0, vbuf, w * h/2);
765 crc4 = crc32_le(0, uvbuf, w * h*2/2);
766 /*
767 printk("%08d: %08x %08x %08x %08x\n",
768 mgr->frame_cnt, crc1, crc4, crc2, crc3);
769 */
770 mgr->size_y = w * h * 2;
771 mgr->size_uv = w * h;
772 mgr->size_pic = mgr->size_y + mgr->size_uv;
773 mgr->y_vaddr = ybuf;
774 mgr->uv_vaddr = uvbuf;
775 mgr->canvas_w = w;
776 mgr->canvas_h = h;
777 crc_store(mgr, vf, crc1, crc4);
778
779 return 0;
780}
781
782static int fbc_check_prepare(struct pic_check_t *check,
783 int resize, int y_size)
784{
785 int i = 0;
786
787 if (y_size > MAX_SIZE_AFBC_PLANES)
788 return -1;
789
790 if (((!check->fbc_planes[0]) ||
791 (!check->fbc_planes[1]) ||
792 (!check->fbc_planes[2]) ||
793 (!check->fbc_planes[3])) &&
794 (!resize))
795 return -1;
796
797 if (resize) {
798 dbg_print(0, "size changed to 0x%x(y_size)\n", y_size);
799 for (i = 0; i < ARRAY_SIZE(check->fbc_planes); i++) {
800 if (check->fbc_planes[i]) {
801 vfree(check->fbc_planes[i]);
802 check->fbc_planes[i] = NULL;
803 }
804 }
805 }
806 for (i = 0; i < ARRAY_SIZE(check->fbc_planes); i++) {
807 if (!check->fbc_planes[i])
808 check->fbc_planes[i] =
809 vmalloc(y_size * sizeof(short));
810 }
811 if ((!check->fbc_planes[0]) ||
812 (!check->fbc_planes[1]) ||
813 (!check->fbc_planes[2]) ||
814 (!check->fbc_planes[3])) {
815 dbg_print(0, "vmalloc staicplanes failed %lx %lx %lx %lx\n",
816 (ulong)check->fbc_planes[0],
817 (ulong)check->fbc_planes[1],
818 (ulong)check->fbc_planes[2],
819 (ulong)check->fbc_planes[3]);
820 for (i = 0; i < ARRAY_SIZE(check->fbc_planes); i++) {
821 if (check->fbc_planes[i]) {
822 vfree(check->fbc_planes[i]);
823 check->fbc_planes[i] = NULL;
824 }
825 }
826 return -1;
827 } else
828 dbg_print(FC_CRC_DEBUG, "vmalloc staicplanes sucessed\n");
829
830 return 0;
831}
832
833int load_user_cmp_crc(struct pic_check_mgr_t *mgr)
834{
835 int i;
836 struct pic_check_t *chk;
837 void *qaddr;
838
839 if (mgr == NULL ||
840 (mgr->cmp_pool == NULL)||
841 (mgr->usr_cmp_num == 0))
842 return 0;
843
844 chk = &mgr->pic_check;
845
846 if (chk->cmp_crc_cnt > 0) {
847 pr_info("cmp crc32 data is ready\n");
848 return -1;
849 }
850
851 if (chk->check_addr == NULL) {
852 pr_info("no cmp crc buf\n"); /* vmalloc again or return */
853 return -1;
854 }
855
856 if (mgr->usr_cmp_num >= USER_CMP_POOL_MAX_SIZE)
857 mgr->usr_cmp_num = USER_CMP_POOL_MAX_SIZE - 1;
858
859 for (i = 0; i < mgr->usr_cmp_num; i++) {
860 qaddr = chk->check_addr + i * SIZE_CRC;
861 dbg_print(FC_CRC_DEBUG, "%s, %8d: %08x %08x\n", __func__,
862 mgr->cmp_pool[i].pic_num,
863 mgr->cmp_pool[i].y_crc,
864 mgr->cmp_pool[i].uv_crc);
865 sprintf(qaddr, "%8d: %08x %08x\n",
866 mgr->cmp_pool[i].pic_num,
867 mgr->cmp_pool[i].y_crc,
868 mgr->cmp_pool[i].uv_crc);
869
870 kfifo_put(&chk->new_chk_q, qaddr);
871 chk->cmp_crc_cnt++;
872 }
873
874 mgr->usr_cmp_result = 0;
875
876 vfree(mgr->cmp_pool);
877 mgr->cmp_pool = NULL;
878
879 return 0;
880}
881
882
883int decoder_do_frame_check(struct vdec_s *vdec, struct vframe_s *vf)
884{
885 int resize = 0;
886 void *planes[4];
887 struct pic_check_t *check = NULL;
888 struct pic_check_mgr_t *mgr = NULL;
889 int ret = 0;
890
891 if (vdec == NULL) {
892 if (single_mode_vdec == NULL)
893 return 0;
894 mgr = &single_mode_vdec->vfc;
895 } else {
896 mgr = &vdec->vfc;
897 single_mode_vdec = NULL;
898 }
899
900 if ((mgr == NULL) || (vf == NULL) ||
901 (mgr->enable == 0))
902 return 0;
903
904 mgr->mjpeg_flag = ((vdec) &&
905 (vdec->format == VFORMAT_MJPEG)) ? 1 : 0;
906
907 if (get_frame_size(mgr, vf) < 0)
908 return -1;
909
910 if (mgr->last_size_pic != mgr->size_pic) {
911 resize = 1;
912 dbg_print(0, "size changed, %x-->%x [%d x %d]\n",
913 mgr->last_size_pic, mgr->size_pic,
914 vf->width, vf->height);
915 /* for slt, if no compare crc file, use the
916 * cmp crc from amstream ioctl write */
917 load_user_cmp_crc(mgr);
918 } else
919 resize = 0;
920 mgr->last_size_pic = mgr->size_pic;
921
922 if ((vf->type & VIDTYPE_VIU_NV21) || (mgr->mjpeg_flag)) {
923 int flush_size;
924
925 if (canvas_get_virt_addr(mgr, vf) < 0)
926 return -2;
927
928 /* flush */
929 flush_size = mgr->mjpeg_flag ?
930 ((mgr->canvas_w * mgr->canvas_h) >> 2) :
931 ((mgr->canvas_w * mgr->canvas_h) >> 1);
932 if (mgr->y_vaddr)
933 codec_mm_dma_flush(mgr->y_vaddr,
934 mgr->canvas_w * mgr->canvas_h, DMA_FROM_DEVICE);
935 if (mgr->uv_vaddr)
936 codec_mm_dma_flush(mgr->uv_vaddr,
937 flush_size, DMA_FROM_DEVICE);
938 if ((mgr->mjpeg_flag) && (mgr->extra_v_vaddr))
939 codec_mm_dma_flush(mgr->extra_v_vaddr,
940 flush_size, DMA_FROM_DEVICE);
941
942 if (mgr->enable & CRC_MASK)
943 ret = do_check_nv21(mgr, vf);
944
945 if (mgr->enable & YUV_MASK)
946 do_yuv_dump(mgr, vf);
947
948 } else if (vf->type & VIDTYPE_SCATTER) {
949 check = &mgr->pic_check;
950
951 if (mgr->pic_dump.buf_addr != NULL) {
952 dbg_print(0, "scatter free yuv buf\n");
953 vfree(mgr->pic_dump.buf_addr);
954 mgr->pic_dump.buf_addr = NULL;
955 }
956 if (fbc_check_prepare(check,
957 resize, mgr->size_y) < 0)
958 return -3;
959 planes[0] = check->fbc_planes[0];
960 planes[1] = check->fbc_planes[1];
961 planes[2] = check->fbc_planes[2];
962 planes[3] = check->fbc_planes[3];
963 ret = AMLOGIC_FBC_vframe_decoder(planes, vf, 0, 0);
964 if (ret < 0) {
965 dbg_print(0, "amlogic_fbc_lib.ko error %d\n", ret);
966 } else {
967 do_check_yuv16(mgr, vf,
968 (void *)planes[0], (void *)planes[3],//uv
969 (void *)planes[1], (void *)planes[2]);
970 }
971 }
972 mgr->frame_cnt++;
973
974 if (mgr->usr_cmp_num > 0) {
975 mgr->usr_cmp_num -= 1;
976 }
977
978 return ret;
979}
980EXPORT_SYMBOL(decoder_do_frame_check);
981
982static int dump_buf_alloc(struct pic_dump_t *dump)
983{
984 if ((dump->buf_addr != NULL) &&
985 (dump->buf_size != 0))
986 return 0;
987
988 dump->buf_addr =
989 (char *)vmalloc(size_yuv_buf);
990 if (!dump->buf_addr) {
991 dump->buf_size = 0;
992 dbg_print(0, "vmalloc yuv buf failed\n");
993 return -ENOMEM;
994 }
995 dump->buf_size = size_yuv_buf;
996
997 dbg_print(0, "%s: buf for yuv is alloced\n", __func__);
998
999 return 0;
1000}
1001
1002int dump_yuv_trig(struct pic_check_mgr_t *mgr,
1003 int id, int start, int num)
1004{
1005 struct pic_dump_t *dump = &mgr->pic_dump;
1006
1007 if (!dump->num) {
1008 mgr->id = id;
1009 dump->start = start;
1010 dump->num = num;
1011 dump->end = start + num;
1012 dump->dump_cnt = 0;
1013 dump->yuv_fp = NULL;
1014 if (!atomic_read(&mgr->work_inited)) {
1015 INIT_WORK(&mgr->frame_check_work, do_check_work);
1016 atomic_set(&mgr->work_inited, 1);
1017 }
1018 dump_buf_alloc(dump);
1019 str_strip(comp_crc);
1020 set_enable(mgr, YUV_MASK);
1021 } else {
1022 dbg_print(FC_ERROR, "yuv dump now, trig later\n");
1023 return -EBUSY;
1024 }
1025 dbg_print(0, "dump yuv trigger, from %d to %d frame\n",
1026 dump->start, dump->end);
1027 return 0;
1028}
1029
1030int frame_check_init(struct pic_check_mgr_t *mgr, int id)
1031{
1032 int i;
1033 struct pic_dump_t *dump = &mgr->pic_dump;
1034 struct pic_check_t *check = &mgr->pic_check;
1035
1036 mgr->frame_cnt = 0;
1037 mgr->size_pic = 0;
1038 mgr->last_size_pic = 0;
1039 mgr->id = id;
1040
1041 dump->num = 0;
1042 dump->dump_cnt = 0;
1043 dump->yuv_fp = NULL;
1044 check->check_pos = 0;
1045 check->compare_pos = 0;
1046
1047 if (!atomic_read(&mgr->work_inited)) {
1048 INIT_WORK(&mgr->frame_check_work, do_check_work);
1049 atomic_set(&mgr->work_inited, 1);
1050 }
1051 /* for dump error yuv prepare. */
1052 dump_buf_alloc(dump);
1053
1054 /* try to open compare crc32 file */
1055 str_strip(comp_crc);
1056 check->compare_fp = file_open(O_RDONLY,
1057 "%s%s", CRC_PATH, comp_crc);
1058
1059 /* create crc32 log file */
1060 check->check_fp = file_open(O_CREAT| O_WRONLY | O_TRUNC,
1061 "%s%s-%d-%d.crc", CRC_PATH, comp_crc, id, mgr->file_cnt);
1062
1063 INIT_KFIFO(check->new_chk_q);
1064 INIT_KFIFO(check->wr_chk_q);
1065 check->check_addr = vmalloc(SIZE_CRC * SIZE_CHECK_Q);
1066 if (check->check_addr == NULL) {
1067 dbg_print(FC_ERROR, "vmalloc qbuf fail\n");
1068 } else {
1069 void *qaddr = NULL, *rdret = NULL;
1070 check->cmp_crc_cnt = 0;
1071 for (i = 0; i < SIZE_CHECK_Q; i++) {
1072 qaddr = check->check_addr + i * SIZE_CRC;
1073 rdret = fget_crc_str(qaddr,
1074 SIZE_CRC, check);
1075 if (rdret == NULL) {
1076 if (i < 3)
1077 dbg_print(0, "can't get compare crc string\n");
1078 if (check->compare_fp) {
1079 filp_close(check->compare_fp, current->files);
1080 check->compare_fp = NULL;
1081 }
1082 }
1083
1084 kfifo_put(&check->new_chk_q, qaddr);
1085 }
1086 }
1087 set_enable(mgr, CRC_MASK);
1088 dbg_print(0, "%s end\n", __func__);
1089
1090 return 0;
1091}
1092
1093void frame_check_exit(struct pic_check_mgr_t *mgr)
1094{
1095 int i;
1096 struct pic_dump_t *dump = &mgr->pic_dump;
1097 struct pic_check_t *check = &mgr->pic_check;
1098
1099 if (mgr->enable != 0) {
1100 if (dump->dump_cnt != 0) {
1101 dbg_print(0, "%s, cnt = %d, num = %d\n",
1102 __func__, dump->dump_cnt, dump->num);
1103 set_enable(mgr, YUV_MASK);
1104 }
1105 if (atomic_read(&mgr->work_inited)) {
1106 cancel_work_sync(&mgr->frame_check_work);
1107 atomic_set(&mgr->work_inited, 0);
1108 }
1109 if (single_mode_vdec != NULL)
1110 write_yuv_work(mgr);
1111 write_crc_work(mgr);
1112
1113 for (i = 0; i < ARRAY_SIZE(check->fbc_planes); i++) {
1114 if (check->fbc_planes[i]) {
1115 vfree(check->fbc_planes[i]);
1116 check->fbc_planes[i] = NULL;
1117 }
1118 }
1119 if (check->check_addr) {
1120 vfree(check->check_addr);
1121 check->check_addr = NULL;
1122 }
1123
1124 if (mgr->cmp_pool) {
1125 vfree(mgr->cmp_pool);
1126 mgr->cmp_pool = NULL;
1127 }
1128
1129 if (check->check_fp) {
1130 filp_close(check->check_fp, current->files);
1131 check->check_fp = NULL;
1132 }
1133 if (check->compare_fp) {
1134 filp_close(check->compare_fp, current->files);
1135 check->compare_fp = NULL;
1136 }
1137 if (dump->yuv_fp) {
1138 filp_close(dump->yuv_fp, current->files);
1139 dump->yuv_fp = NULL;
1140 }
1141 if (dump->buf_addr) {
1142 vfree(dump->buf_addr);
1143 dump->buf_addr = NULL;
1144 }
1145 mgr->file_cnt++;
1146 set_disable(mgr, YUV_MASK | CRC_MASK);
1147 dbg_print(0, "%s end\n", __func__);
1148 }
1149}
1150
1151
1152int vdec_frame_check_init(struct vdec_s *vdec)
1153{
1154 int ret = 0, id = 0;
1155
1156 if (vdec == NULL)
1157 return 0;
1158
1159 if ((vdec->is_reset) &&
1160 (get_cpu_major_id() != AM_MESON_CPU_MAJOR_ID_GXL))
1161 return 0;
1162
1163 vdec->vfc.err_crc_block = 0;
1164 single_mode_vdec = (vdec_single(vdec))? vdec : NULL;
1165
1166 if (!check_enable && !yuv_enable)
1167 return 0;
1168
1169 vdec->canvas_mode = CANVAS_BLKMODE_LINEAR;
1170 id = vdec->id;
1171
1172 if (check_enable & (0x01 << id)) {
1173 frame_check_init(&vdec->vfc, id);
1174 /*repeat check one video crc32, not clear enable*/
1175 if ((fc_debug & FC_CHECK_CRC_LOOP_MODE) == 0)
1176 check_enable &= ~(0x01 << id);
1177 }
1178
1179 if (yuv_enable & (0x01 << id)) {
1180 ret = dump_yuv_trig(&vdec->vfc,
1181 id, yuv_start[id], yuv_num[id]);
1182 if (ret < 0)
1183 pr_info("dump yuv init failed\n");
1184 else {
1185 pr_info("dump yuv init ok, total %d\n",
1186 yuv_num[id]);
1187 vdec->canvas_mode = CANVAS_BLKMODE_LINEAR;
1188 }
1189 yuv_num[id] = 0;
1190 yuv_start[id] = 0;
1191 yuv_enable &= ~(0x01 << id);
1192 }
1193
1194 return ret;
1195}
1196
1197void vdec_frame_check_exit(struct vdec_s *vdec)
1198{
1199 if (vdec == NULL)
1200 return;
1201 frame_check_exit(&vdec->vfc);
1202
1203 single_mode_vdec = NULL;
1204}
1205
1206ssize_t dump_yuv_store(struct class *class,
1207 struct class_attribute *attr,
1208 const char *buf, size_t size)
1209{
1210 struct vdec_s *vdec = NULL;
1211 unsigned int id = 0, num = 0, start = 0;
1212 int ret = -1;
1213
1214 ret = sscanf(buf, "%d %d %d", &id, &start, &num);
1215 if (ret < 0) {
1216 pr_info("%s, parse failed\n", buf);
1217 return size;
1218 }
1219 if ((num == 0) || (num > YUV_MAX_DUMP_NUM)) {
1220 pr_info("requred yuv num %d, max %d\n",
1221 num, YUV_MAX_DUMP_NUM);
1222 return size;
1223 }
1224 vdec = vdec_get_vdec_by_id(id);
1225 if (vdec == NULL) {
1226 yuv_start[id] = start;
1227 yuv_num[id] = num;
1228 yuv_enable |= (1 << id);
1229 pr_info("no connected vdec.%d now, set dump ok\n", id);
1230 return size;
1231 }
1232
1233 ret = dump_yuv_trig(&vdec->vfc, id, start, num);
1234 if (ret < 0)
1235 pr_info("trigger dump yuv failed\n");
1236 else
1237 pr_info("trigger dump yuv init ok, total %d frames\n", num);
1238
1239 return size;
1240}
1241
1242ssize_t dump_yuv_show(struct class *class,
1243 struct class_attribute *attr, char *buf)
1244{
1245 int i;
1246 char *pbuf = buf;
1247
1248 for (i = 0; i < MAX_INSTANCE_MUN; i++) {
1249 pbuf += pr_info("vdec.%d, start: %d, total: %d frames\n",
1250 i, yuv_start[i], yuv_num[i]);
1251 }
1252 pbuf += sprintf(pbuf,
1253 "\nUsage: echo [id] [start] [num] > dump_yuv\n\n");
1254 return pbuf - buf;
1255}
1256
1257
1258ssize_t frame_check_store(struct class *class,
1259 struct class_attribute *attr,
1260 const char *buf, size_t size)
1261{
1262 int ret = -1;
1263 int on_off, id;
1264
1265 ret = sscanf(buf, "%d %d", &id, &on_off);
1266 if (ret < 0) {
1267 pr_info("%s, parse failed\n", buf);
1268 return size;
1269 }
1270 if (id >= MAX_INSTANCE_MUN) {
1271 pr_info("%d out of max vdec id\n", id);
1272 return size;
1273 }
1274 if (on_off)
1275 check_enable |= (1 << id);
1276 else
1277 check_enable &= ~(1 << id);
1278
1279 return size;
1280}
1281
1282ssize_t frame_check_show(struct class *class,
1283 struct class_attribute *attr, char *buf)
1284{
1285 int i;
1286 char *pbuf = buf;
1287
1288 for (i = 0; i < MAX_INSTANCE_MUN; i++) {
1289 pbuf += sprintf(pbuf,
1290 "vdec.%d\tcrc: %s\n", i,
1291 (check_enable & (0x01 << i))?"enabled":"--");
1292 }
1293 pbuf += sprintf(pbuf,
1294 "\nUsage:\techo [id] [1:on/0:off] > frame_check\n\n");
1295
1296 if (fc_debug & FC_ERR_CRC_BLOCK_MODE) {
1297 /* cat frame_check to next frame when block */
1298 struct vdec_s *vdec = NULL;
1299 vdec = vdec_get_vdec_by_id(__ffs(check_enable));
1300 if (vdec)
1301 vdec->vfc.err_crc_block = 0;
1302 }
1303
1304 return pbuf - buf;
1305}
1306
1307
1308module_param_string(comp_crc, comp_crc, 128, 0664);
1309MODULE_PARM_DESC(comp_crc, "\n crc_filename\n");
1310
1311module_param(fc_debug, uint, 0664);
1312MODULE_PARM_DESC(fc_debug, "\n frame check debug\n");
1313
1314module_param(size_yuv_buf, uint, 0664);
1315MODULE_PARM_DESC(size_yuv_buf, "\n size_yuv_buf\n");
1316
1317
generated by cgit at 2024-05-19 19:23:29 (GMT)