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15#include <linux/clk.h>
16#include <linux/irqreturn.h>
17#include <linux/kernel.h>
18#include <linux/log2.h>
19#include <linux/platform_device.h>
20#include <linux/reset.h>
21#include <linux/slab.h>
22#include <linux/videodev2.h>
23
24#include <media/v4l2-common.h>
25#include <media/v4l2-ctrls.h>
26#include <media/v4l2-fh.h>
27#include <media/v4l2-mem2mem.h>
28#include <media/videobuf2-v4l2.h>
29#include <media/videobuf2-dma-contig.h>
30#include <media/videobuf2-vmalloc.h>
31
32#include "coda.h"
33#include "imx-vdoa.h"
34#define CREATE_TRACE_POINTS
35#include "trace.h"
36
37#define CODA_PARA_BUF_SIZE (10 * 1024)
38#define CODA7_PS_BUF_SIZE 0x28000
39#define CODA9_PS_SAVE_SIZE (512 * 1024)
40
41#define CODA_DEFAULT_GAMMA 4096
42#define CODA9_DEFAULT_GAMMA 24576
43
44static void coda_free_bitstream_buffer(struct coda_ctx *ctx);
45
46static inline int coda_is_initialized(struct coda_dev *dev)
47{
48 return coda_read(dev, CODA_REG_BIT_CUR_PC) != 0;
49}
50
51static inline unsigned long coda_isbusy(struct coda_dev *dev)
52{
53 return coda_read(dev, CODA_REG_BIT_BUSY);
54}
55
56static int coda_wait_timeout(struct coda_dev *dev)
57{
58 unsigned long timeout = jiffies + msecs_to_jiffies(1000);
59
60 while (coda_isbusy(dev)) {
61 if (time_after(jiffies, timeout))
62 return -ETIMEDOUT;
63 }
64 return 0;
65}
66
67static void coda_command_async(struct coda_ctx *ctx, int cmd)
68{
69 struct coda_dev *dev = ctx->dev;
70
71 if (dev->devtype->product == CODA_960 ||
72 dev->devtype->product == CODA_7541) {
73
74 coda_write(dev, ctx->bit_stream_param,
75 CODA_REG_BIT_BIT_STREAM_PARAM);
76 coda_write(dev, ctx->frm_dis_flg,
77 CODA_REG_BIT_FRM_DIS_FLG(ctx->reg_idx));
78 coda_write(dev, ctx->frame_mem_ctrl,
79 CODA_REG_BIT_FRAME_MEM_CTRL);
80 coda_write(dev, ctx->workbuf.paddr, CODA_REG_BIT_WORK_BUF_ADDR);
81 }
82
83 if (dev->devtype->product == CODA_960) {
84 coda_write(dev, 1, CODA9_GDI_WPROT_ERR_CLR);
85 coda_write(dev, 0, CODA9_GDI_WPROT_RGN_EN);
86 }
87
88 coda_write(dev, CODA_REG_BIT_BUSY_FLAG, CODA_REG_BIT_BUSY);
89
90 coda_write(dev, ctx->idx, CODA_REG_BIT_RUN_INDEX);
91 coda_write(dev, ctx->params.codec_mode, CODA_REG_BIT_RUN_COD_STD);
92 coda_write(dev, ctx->params.codec_mode_aux, CODA7_REG_BIT_RUN_AUX_STD);
93
94 trace_coda_bit_run(ctx, cmd);
95
96 coda_write(dev, cmd, CODA_REG_BIT_RUN_COMMAND);
97}
98
99static int coda_command_sync(struct coda_ctx *ctx, int cmd)
100{
101 struct coda_dev *dev = ctx->dev;
102 int ret;
103
104 coda_command_async(ctx, cmd);
105 ret = coda_wait_timeout(dev);
106 trace_coda_bit_done(ctx);
107
108 return ret;
109}
110
111int coda_hw_reset(struct coda_ctx *ctx)
112{
113 struct coda_dev *dev = ctx->dev;
114 unsigned long timeout;
115 unsigned int idx;
116 int ret;
117
118 if (!dev->rstc)
119 return -ENOENT;
120
121 idx = coda_read(dev, CODA_REG_BIT_RUN_INDEX);
122
123 if (dev->devtype->product == CODA_960) {
124 timeout = jiffies + msecs_to_jiffies(100);
125 coda_write(dev, 0x11, CODA9_GDI_BUS_CTRL);
126 while (coda_read(dev, CODA9_GDI_BUS_STATUS) != 0x77) {
127 if (time_after(jiffies, timeout))
128 return -ETIME;
129 cpu_relax();
130 }
131 }
132
133 ret = reset_control_reset(dev->rstc);
134 if (ret < 0)
135 return ret;
136
137 if (dev->devtype->product == CODA_960)
138 coda_write(dev, 0x00, CODA9_GDI_BUS_CTRL);
139 coda_write(dev, CODA_REG_BIT_BUSY_FLAG, CODA_REG_BIT_BUSY);
140 coda_write(dev, CODA_REG_RUN_ENABLE, CODA_REG_BIT_CODE_RUN);
141 ret = coda_wait_timeout(dev);
142 coda_write(dev, idx, CODA_REG_BIT_RUN_INDEX);
143
144 return ret;
145}
146
147static void coda_kfifo_sync_from_device(struct coda_ctx *ctx)
148{
149 struct __kfifo *kfifo = &ctx->bitstream_fifo.kfifo;
150 struct coda_dev *dev = ctx->dev;
151 u32 rd_ptr;
152
153 rd_ptr = coda_read(dev, CODA_REG_BIT_RD_PTR(ctx->reg_idx));
154 kfifo->out = (kfifo->in & ~kfifo->mask) |
155 (rd_ptr - ctx->bitstream.paddr);
156 if (kfifo->out > kfifo->in)
157 kfifo->out -= kfifo->mask + 1;
158}
159
160static void coda_kfifo_sync_to_device_full(struct coda_ctx *ctx)
161{
162 struct __kfifo *kfifo = &ctx->bitstream_fifo.kfifo;
163 struct coda_dev *dev = ctx->dev;
164 u32 rd_ptr, wr_ptr;
165
166 rd_ptr = ctx->bitstream.paddr + (kfifo->out & kfifo->mask);
167 coda_write(dev, rd_ptr, CODA_REG_BIT_RD_PTR(ctx->reg_idx));
168 wr_ptr = ctx->bitstream.paddr + (kfifo->in & kfifo->mask);
169 coda_write(dev, wr_ptr, CODA_REG_BIT_WR_PTR(ctx->reg_idx));
170}
171
172static void coda_kfifo_sync_to_device_write(struct coda_ctx *ctx)
173{
174 struct __kfifo *kfifo = &ctx->bitstream_fifo.kfifo;
175 struct coda_dev *dev = ctx->dev;
176 u32 wr_ptr;
177
178 wr_ptr = ctx->bitstream.paddr + (kfifo->in & kfifo->mask);
179 coda_write(dev, wr_ptr, CODA_REG_BIT_WR_PTR(ctx->reg_idx));
180}
181
182static int coda_bitstream_pad(struct coda_ctx *ctx, u32 size)
183{
184 unsigned char *buf;
185 u32 n;
186
187 if (size < 6)
188 size = 6;
189
190 buf = kmalloc(size, GFP_KERNEL);
191 if (!buf)
192 return -ENOMEM;
193
194 coda_h264_filler_nal(size, buf);
195 n = kfifo_in(&ctx->bitstream_fifo, buf, size);
196 kfree(buf);
197
198 return (n < size) ? -ENOSPC : 0;
199}
200
201static int coda_bitstream_queue(struct coda_ctx *ctx,
202 struct vb2_v4l2_buffer *src_buf)
203{
204 u32 src_size = vb2_get_plane_payload(&src_buf->vb2_buf, 0);
205 u32 n;
206
207 n = kfifo_in(&ctx->bitstream_fifo,
208 vb2_plane_vaddr(&src_buf->vb2_buf, 0), src_size);
209 if (n < src_size)
210 return -ENOSPC;
211
212 src_buf->sequence = ctx->qsequence++;
213
214 return 0;
215}
216
217static bool coda_bitstream_try_queue(struct coda_ctx *ctx,
218 struct vb2_v4l2_buffer *src_buf)
219{
220 unsigned long payload = vb2_get_plane_payload(&src_buf->vb2_buf, 0);
221 int ret;
222
223 if (coda_get_bitstream_payload(ctx) + payload + 512 >=
224 ctx->bitstream.size)
225 return false;
226
227 if (vb2_plane_vaddr(&src_buf->vb2_buf, 0) == NULL) {
228 v4l2_err(&ctx->dev->v4l2_dev, "trying to queue empty buffer\n");
229 return true;
230 }
231
232
233 if (ctx->qsequence == 0 && payload < 512 &&
234 ctx->codec->src_fourcc == V4L2_PIX_FMT_H264)
235 coda_bitstream_pad(ctx, 512 - payload);
236
237 ret = coda_bitstream_queue(ctx, src_buf);
238 if (ret < 0) {
239 v4l2_err(&ctx->dev->v4l2_dev, "bitstream buffer overflow\n");
240 return false;
241 }
242
243 if (ctx == v4l2_m2m_get_curr_priv(ctx->dev->m2m_dev))
244 coda_kfifo_sync_to_device_write(ctx);
245
246 ctx->hold = false;
247
248 return true;
249}
250
251void coda_fill_bitstream(struct coda_ctx *ctx, struct list_head *buffer_list)
252{
253 struct vb2_v4l2_buffer *src_buf;
254 struct coda_buffer_meta *meta;
255 unsigned long flags;
256 u32 start;
257
258 if (ctx->bit_stream_param & CODA_BIT_STREAM_END_FLAG)
259 return;
260
261 while (v4l2_m2m_num_src_bufs_ready(ctx->fh.m2m_ctx) > 0) {
262
263
264
265
266 if (ctx->codec->src_fourcc == V4L2_PIX_FMT_JPEG &&
267 (coda_get_bitstream_payload(ctx) >= 512) && !ctx->hold)
268 break;
269
270 src_buf = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx);
271
272
273 if (ctx->codec->src_fourcc == V4L2_PIX_FMT_JPEG &&
274 !coda_jpeg_check_buffer(ctx, &src_buf->vb2_buf)) {
275 v4l2_err(&ctx->dev->v4l2_dev,
276 "dropping invalid JPEG frame %d\n",
277 ctx->qsequence);
278 src_buf = v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx);
279 if (buffer_list) {
280 struct v4l2_m2m_buffer *m2m_buf;
281
282 m2m_buf = container_of(src_buf,
283 struct v4l2_m2m_buffer,
284 vb);
285 list_add_tail(&m2m_buf->list, buffer_list);
286 } else {
287 v4l2_m2m_buf_done(src_buf, VB2_BUF_STATE_ERROR);
288 }
289 continue;
290 }
291
292
293 if (!vb2_get_plane_payload(&src_buf->vb2_buf, 0)) {
294 src_buf = v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx);
295 v4l2_m2m_buf_done(src_buf, VB2_BUF_STATE_DONE);
296 continue;
297 }
298
299
300 start = ctx->bitstream_fifo.kfifo.in &
301 ctx->bitstream_fifo.kfifo.mask;
302
303 if (coda_bitstream_try_queue(ctx, src_buf)) {
304
305
306
307
308 src_buf = v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx);
309
310 meta = kmalloc(sizeof(*meta), GFP_KERNEL);
311 if (meta) {
312 meta->sequence = src_buf->sequence;
313 meta->timecode = src_buf->timecode;
314 meta->timestamp = src_buf->vb2_buf.timestamp;
315 meta->start = start;
316 meta->end = ctx->bitstream_fifo.kfifo.in &
317 ctx->bitstream_fifo.kfifo.mask;
318 spin_lock_irqsave(&ctx->buffer_meta_lock,
319 flags);
320 list_add_tail(&meta->list,
321 &ctx->buffer_meta_list);
322 ctx->num_metas++;
323 spin_unlock_irqrestore(&ctx->buffer_meta_lock,
324 flags);
325
326 trace_coda_bit_queue(ctx, src_buf, meta);
327 }
328
329 if (buffer_list) {
330 struct v4l2_m2m_buffer *m2m_buf;
331
332 m2m_buf = container_of(src_buf,
333 struct v4l2_m2m_buffer,
334 vb);
335 list_add_tail(&m2m_buf->list, buffer_list);
336 } else {
337 v4l2_m2m_buf_done(src_buf, VB2_BUF_STATE_DONE);
338 }
339 } else {
340 break;
341 }
342 }
343}
344
345void coda_bit_stream_end_flag(struct coda_ctx *ctx)
346{
347 struct coda_dev *dev = ctx->dev;
348
349 ctx->bit_stream_param |= CODA_BIT_STREAM_END_FLAG;
350
351
352 if ((dev->devtype->product == CODA_960) &&
353 coda_isbusy(dev) &&
354 (ctx->idx == coda_read(dev, CODA_REG_BIT_RUN_INDEX))) {
355 coda_write(dev, ctx->bit_stream_param,
356 CODA_REG_BIT_BIT_STREAM_PARAM);
357 }
358}
359
360static void coda_parabuf_write(struct coda_ctx *ctx, int index, u32 value)
361{
362 struct coda_dev *dev = ctx->dev;
363 u32 *p = ctx->parabuf.vaddr;
364
365 if (dev->devtype->product == CODA_DX6)
366 p[index] = value;
367 else
368 p[index ^ 1] = value;
369}
370
371static inline int coda_alloc_context_buf(struct coda_ctx *ctx,
372 struct coda_aux_buf *buf, size_t size,
373 const char *name)
374{
375 return coda_alloc_aux_buf(ctx->dev, buf, size, name, ctx->debugfs_entry);
376}
377
378
379static void coda_free_framebuffers(struct coda_ctx *ctx)
380{
381 int i;
382
383 for (i = 0; i < CODA_MAX_FRAMEBUFFERS; i++)
384 coda_free_aux_buf(ctx->dev, &ctx->internal_frames[i]);
385}
386
387static int coda_alloc_framebuffers(struct coda_ctx *ctx,
388 struct coda_q_data *q_data, u32 fourcc)
389{
390 struct coda_dev *dev = ctx->dev;
391 int width, height;
392 int ysize;
393 int ret;
394 int i;
395
396 if (ctx->codec->src_fourcc == V4L2_PIX_FMT_H264 ||
397 ctx->codec->dst_fourcc == V4L2_PIX_FMT_H264 ||
398 ctx->codec->dst_fourcc == V4L2_PIX_FMT_MPEG4) {
399 width = round_up(q_data->width, 16);
400 height = round_up(q_data->height, 16);
401 } else {
402 width = round_up(q_data->width, 8);
403 height = q_data->height;
404 }
405 ysize = width * height;
406
407
408 for (i = 0; i < ctx->num_internal_frames; i++) {
409 size_t size;
410 char *name;
411
412 if (ctx->tiled_map_type == GDI_TILED_FRAME_MB_RASTER_MAP)
413 size = round_up(ysize, 4096) + ysize / 2;
414 else
415 size = ysize + ysize / 2;
416 if (ctx->codec->src_fourcc == V4L2_PIX_FMT_H264 &&
417 dev->devtype->product != CODA_DX6)
418 size += ysize / 4;
419 name = kasprintf(GFP_KERNEL, "fb%d", i);
420 ret = coda_alloc_context_buf(ctx, &ctx->internal_frames[i],
421 size, name);
422 kfree(name);
423 if (ret < 0) {
424 coda_free_framebuffers(ctx);
425 return ret;
426 }
427 }
428
429
430 for (i = 0; i < ctx->num_internal_frames; i++) {
431 u32 y, cb, cr, mvcol;
432
433
434 y = ctx->internal_frames[i].paddr;
435 cb = y + ysize;
436 cr = y + ysize + ysize/4;
437 mvcol = y + ysize + ysize/4 + ysize/4;
438 if (ctx->tiled_map_type == GDI_TILED_FRAME_MB_RASTER_MAP) {
439 cb = round_up(cb, 4096);
440 mvcol = cb + ysize/2;
441 cr = 0;
442
443
444 y = (y & 0xfffff000) | cb >> 20;
445 cb = (cb & 0x000ff000) << 12;
446 }
447 coda_parabuf_write(ctx, i * 3 + 0, y);
448 coda_parabuf_write(ctx, i * 3 + 1, cb);
449 coda_parabuf_write(ctx, i * 3 + 2, cr);
450
451
452 if (ctx->codec->src_fourcc == V4L2_PIX_FMT_H264 &&
453 dev->devtype->product != CODA_DX6)
454 coda_parabuf_write(ctx, 96 + i, mvcol);
455 }
456
457
458 if ((dev->devtype->product != CODA_DX6) &&
459 (ctx->codec->src_fourcc == V4L2_PIX_FMT_MPEG4))
460 coda_parabuf_write(ctx, 97, ctx->internal_frames[0].paddr +
461 ysize + ysize/4 + ysize/4);
462
463 return 0;
464}
465
466static void coda_free_context_buffers(struct coda_ctx *ctx)
467{
468 struct coda_dev *dev = ctx->dev;
469
470 coda_free_aux_buf(dev, &ctx->slicebuf);
471 coda_free_aux_buf(dev, &ctx->psbuf);
472 if (dev->devtype->product != CODA_DX6)
473 coda_free_aux_buf(dev, &ctx->workbuf);
474 coda_free_aux_buf(dev, &ctx->parabuf);
475}
476
477static int coda_alloc_context_buffers(struct coda_ctx *ctx,
478 struct coda_q_data *q_data)
479{
480 struct coda_dev *dev = ctx->dev;
481 size_t size;
482 int ret;
483
484 if (!ctx->parabuf.vaddr) {
485 ret = coda_alloc_context_buf(ctx, &ctx->parabuf,
486 CODA_PARA_BUF_SIZE, "parabuf");
487 if (ret < 0)
488 return ret;
489 }
490
491 if (dev->devtype->product == CODA_DX6)
492 return 0;
493
494 if (!ctx->slicebuf.vaddr && q_data->fourcc == V4L2_PIX_FMT_H264) {
495
496 size = (DIV_ROUND_UP(q_data->width, 16) *
497 DIV_ROUND_UP(q_data->height, 16)) * 3200 / 8 + 512;
498 ret = coda_alloc_context_buf(ctx, &ctx->slicebuf, size,
499 "slicebuf");
500 if (ret < 0)
501 goto err;
502 }
503
504 if (!ctx->psbuf.vaddr && dev->devtype->product == CODA_7541) {
505 ret = coda_alloc_context_buf(ctx, &ctx->psbuf,
506 CODA7_PS_BUF_SIZE, "psbuf");
507 if (ret < 0)
508 goto err;
509 }
510
511 if (!ctx->workbuf.vaddr) {
512 size = dev->devtype->workbuf_size;
513 if (dev->devtype->product == CODA_960 &&
514 q_data->fourcc == V4L2_PIX_FMT_H264)
515 size += CODA9_PS_SAVE_SIZE;
516 ret = coda_alloc_context_buf(ctx, &ctx->workbuf, size,
517 "workbuf");
518 if (ret < 0)
519 goto err;
520 }
521
522 return 0;
523
524err:
525 coda_free_context_buffers(ctx);
526 return ret;
527}
528
529static int coda_encode_header(struct coda_ctx *ctx, struct vb2_v4l2_buffer *buf,
530 int header_code, u8 *header, int *size)
531{
532 struct vb2_buffer *vb = &buf->vb2_buf;
533 struct coda_dev *dev = ctx->dev;
534 size_t bufsize;
535 int ret;
536 int i;
537
538 if (dev->devtype->product == CODA_960)
539 memset(vb2_plane_vaddr(vb, 0), 0, 64);
540
541 coda_write(dev, vb2_dma_contig_plane_dma_addr(vb, 0),
542 CODA_CMD_ENC_HEADER_BB_START);
543 bufsize = vb2_plane_size(vb, 0);
544 if (dev->devtype->product == CODA_960)
545 bufsize /= 1024;
546 coda_write(dev, bufsize, CODA_CMD_ENC_HEADER_BB_SIZE);
547 coda_write(dev, header_code, CODA_CMD_ENC_HEADER_CODE);
548 ret = coda_command_sync(ctx, CODA_COMMAND_ENCODE_HEADER);
549 if (ret < 0) {
550 v4l2_err(&dev->v4l2_dev, "CODA_COMMAND_ENCODE_HEADER timeout\n");
551 return ret;
552 }
553
554 if (dev->devtype->product == CODA_960) {
555 for (i = 63; i > 0; i--)
556 if (((char *)vb2_plane_vaddr(vb, 0))[i] != 0)
557 break;
558 *size = i + 1;
559 } else {
560 *size = coda_read(dev, CODA_REG_BIT_WR_PTR(ctx->reg_idx)) -
561 coda_read(dev, CODA_CMD_ENC_HEADER_BB_START);
562 }
563 memcpy(header, vb2_plane_vaddr(vb, 0), *size);
564
565 return 0;
566}
567
568static phys_addr_t coda_iram_alloc(struct coda_iram_info *iram, size_t size)
569{
570 phys_addr_t ret;
571
572 size = round_up(size, 1024);
573 if (size > iram->remaining)
574 return 0;
575 iram->remaining -= size;
576
577 ret = iram->next_paddr;
578 iram->next_paddr += size;
579
580 return ret;
581}
582
583static void coda_setup_iram(struct coda_ctx *ctx)
584{
585 struct coda_iram_info *iram_info = &ctx->iram_info;
586 struct coda_dev *dev = ctx->dev;
587 int w64, w128;
588 int mb_width;
589 int dbk_bits;
590 int bit_bits;
591 int ip_bits;
592
593 memset(iram_info, 0, sizeof(*iram_info));
594 iram_info->next_paddr = dev->iram.paddr;
595 iram_info->remaining = dev->iram.size;
596
597 if (!dev->iram.vaddr)
598 return;
599
600 switch (dev->devtype->product) {
601 case CODA_7541:
602 dbk_bits = CODA7_USE_HOST_DBK_ENABLE | CODA7_USE_DBK_ENABLE;
603 bit_bits = CODA7_USE_HOST_BIT_ENABLE | CODA7_USE_BIT_ENABLE;
604 ip_bits = CODA7_USE_HOST_IP_ENABLE | CODA7_USE_IP_ENABLE;
605 break;
606 case CODA_960:
607 dbk_bits = CODA9_USE_HOST_DBK_ENABLE | CODA9_USE_DBK_ENABLE;
608 bit_bits = CODA9_USE_HOST_BIT_ENABLE | CODA7_USE_BIT_ENABLE;
609 ip_bits = CODA9_USE_HOST_IP_ENABLE | CODA7_USE_IP_ENABLE;
610 break;
611 default:
612 return;
613 }
614
615 if (ctx->inst_type == CODA_INST_ENCODER) {
616 struct coda_q_data *q_data_src;
617
618 q_data_src = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
619 mb_width = DIV_ROUND_UP(q_data_src->width, 16);
620 w128 = mb_width * 128;
621 w64 = mb_width * 64;
622
623
624 if (dev->devtype->product == CODA_7541) {
625 iram_info->search_ram_size = round_up(mb_width * 16 *
626 36 + 2048, 1024);
627 iram_info->search_ram_paddr = coda_iram_alloc(iram_info,
628 iram_info->search_ram_size);
629 if (!iram_info->search_ram_paddr) {
630 pr_err("IRAM is smaller than the search ram size\n");
631 goto out;
632 }
633 iram_info->axi_sram_use |= CODA7_USE_HOST_ME_ENABLE |
634 CODA7_USE_ME_ENABLE;
635 }
636
637
638 iram_info->buf_dbk_y_use = coda_iram_alloc(iram_info, w64);
639 iram_info->buf_dbk_c_use = coda_iram_alloc(iram_info, w64);
640 if (!iram_info->buf_dbk_c_use)
641 goto out;
642 iram_info->axi_sram_use |= dbk_bits;
643
644 iram_info->buf_bit_use = coda_iram_alloc(iram_info, w128);
645 if (!iram_info->buf_bit_use)
646 goto out;
647 iram_info->axi_sram_use |= bit_bits;
648
649 iram_info->buf_ip_ac_dc_use = coda_iram_alloc(iram_info, w128);
650 if (!iram_info->buf_ip_ac_dc_use)
651 goto out;
652 iram_info->axi_sram_use |= ip_bits;
653
654
655 } else if (ctx->inst_type == CODA_INST_DECODER) {
656 struct coda_q_data *q_data_dst;
657
658 q_data_dst = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
659 mb_width = DIV_ROUND_UP(q_data_dst->width, 16);
660 w128 = mb_width * 128;
661
662 iram_info->buf_dbk_y_use = coda_iram_alloc(iram_info, w128);
663 iram_info->buf_dbk_c_use = coda_iram_alloc(iram_info, w128);
664 if (!iram_info->buf_dbk_c_use)
665 goto out;
666 iram_info->axi_sram_use |= dbk_bits;
667
668 iram_info->buf_bit_use = coda_iram_alloc(iram_info, w128);
669 if (!iram_info->buf_bit_use)
670 goto out;
671 iram_info->axi_sram_use |= bit_bits;
672
673 iram_info->buf_ip_ac_dc_use = coda_iram_alloc(iram_info, w128);
674 if (!iram_info->buf_ip_ac_dc_use)
675 goto out;
676 iram_info->axi_sram_use |= ip_bits;
677
678
679 }
680
681out:
682 if (!(iram_info->axi_sram_use & CODA7_USE_HOST_IP_ENABLE))
683 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
684 "IRAM smaller than needed\n");
685
686 if (dev->devtype->product == CODA_7541) {
687
688 if (ctx->inst_type == CODA_INST_DECODER) {
689
690 iram_info->axi_sram_use &= ~(CODA7_USE_HOST_IP_ENABLE |
691 CODA7_USE_IP_ENABLE);
692 } else {
693
694 iram_info->axi_sram_use &= ~(CODA7_USE_HOST_IP_ENABLE |
695 CODA7_USE_HOST_DBK_ENABLE |
696 CODA7_USE_IP_ENABLE |
697 CODA7_USE_DBK_ENABLE);
698 }
699 }
700}
701
702static u32 coda_supported_firmwares[] = {
703 CODA_FIRMWARE_VERNUM(CODA_DX6, 2, 2, 5),
704 CODA_FIRMWARE_VERNUM(CODA_7541, 1, 4, 50),
705 CODA_FIRMWARE_VERNUM(CODA_960, 2, 1, 5),
706 CODA_FIRMWARE_VERNUM(CODA_960, 2, 3, 10),
707 CODA_FIRMWARE_VERNUM(CODA_960, 3, 1, 1),
708};
709
710static bool coda_firmware_supported(u32 vernum)
711{
712 int i;
713
714 for (i = 0; i < ARRAY_SIZE(coda_supported_firmwares); i++)
715 if (vernum == coda_supported_firmwares[i])
716 return true;
717 return false;
718}
719
720int coda_check_firmware(struct coda_dev *dev)
721{
722 u16 product, major, minor, release;
723 u32 data;
724 int ret;
725
726 ret = clk_prepare_enable(dev->clk_per);
727 if (ret)
728 goto err_clk_per;
729
730 ret = clk_prepare_enable(dev->clk_ahb);
731 if (ret)
732 goto err_clk_ahb;
733
734 coda_write(dev, 0, CODA_CMD_FIRMWARE_VERNUM);
735 coda_write(dev, CODA_REG_BIT_BUSY_FLAG, CODA_REG_BIT_BUSY);
736 coda_write(dev, 0, CODA_REG_BIT_RUN_INDEX);
737 coda_write(dev, 0, CODA_REG_BIT_RUN_COD_STD);
738 coda_write(dev, CODA_COMMAND_FIRMWARE_GET, CODA_REG_BIT_RUN_COMMAND);
739 if (coda_wait_timeout(dev)) {
740 v4l2_err(&dev->v4l2_dev, "firmware get command error\n");
741 ret = -EIO;
742 goto err_run_cmd;
743 }
744
745 if (dev->devtype->product == CODA_960) {
746 data = coda_read(dev, CODA9_CMD_FIRMWARE_CODE_REV);
747 v4l2_info(&dev->v4l2_dev, "Firmware code revision: %d\n",
748 data);
749 }
750
751
752 data = coda_read(dev, CODA_CMD_FIRMWARE_VERNUM);
753 product = CODA_FIRMWARE_PRODUCT(data);
754 major = CODA_FIRMWARE_MAJOR(data);
755 minor = CODA_FIRMWARE_MINOR(data);
756 release = CODA_FIRMWARE_RELEASE(data);
757
758 clk_disable_unprepare(dev->clk_per);
759 clk_disable_unprepare(dev->clk_ahb);
760
761 if (product != dev->devtype->product) {
762 v4l2_err(&dev->v4l2_dev,
763 "Wrong firmware. Hw: %s, Fw: %s, Version: %u.%u.%u\n",
764 coda_product_name(dev->devtype->product),
765 coda_product_name(product), major, minor, release);
766 return -EINVAL;
767 }
768
769 v4l2_info(&dev->v4l2_dev, "Initialized %s.\n",
770 coda_product_name(product));
771
772 if (coda_firmware_supported(data)) {
773 v4l2_info(&dev->v4l2_dev, "Firmware version: %u.%u.%u\n",
774 major, minor, release);
775 } else {
776 v4l2_warn(&dev->v4l2_dev,
777 "Unsupported firmware version: %u.%u.%u\n",
778 major, minor, release);
779 }
780
781 return 0;
782
783err_run_cmd:
784 clk_disable_unprepare(dev->clk_ahb);
785err_clk_ahb:
786 clk_disable_unprepare(dev->clk_per);
787err_clk_per:
788 return ret;
789}
790
791static void coda9_set_frame_cache(struct coda_ctx *ctx, u32 fourcc)
792{
793 u32 cache_size, cache_config;
794
795 if (ctx->tiled_map_type == GDI_LINEAR_FRAME_MAP) {
796
797 cache_size = 0x20262024;
798 cache_config = 2 << CODA9_CACHE_PAGEMERGE_OFFSET;
799 } else {
800
801 cache_size = 0x02440243;
802 cache_config = 1 << CODA9_CACHE_PAGEMERGE_OFFSET;
803 }
804 coda_write(ctx->dev, cache_size, CODA9_CMD_SET_FRAME_CACHE_SIZE);
805 if (fourcc == V4L2_PIX_FMT_NV12 || fourcc == V4L2_PIX_FMT_YUYV) {
806 cache_config |= 32 << CODA9_CACHE_LUMA_BUFFER_SIZE_OFFSET |
807 16 << CODA9_CACHE_CR_BUFFER_SIZE_OFFSET |
808 0 << CODA9_CACHE_CB_BUFFER_SIZE_OFFSET;
809 } else {
810 cache_config |= 32 << CODA9_CACHE_LUMA_BUFFER_SIZE_OFFSET |
811 8 << CODA9_CACHE_CR_BUFFER_SIZE_OFFSET |
812 8 << CODA9_CACHE_CB_BUFFER_SIZE_OFFSET;
813 }
814 coda_write(ctx->dev, cache_config, CODA9_CMD_SET_FRAME_CACHE_CONFIG);
815}
816
817
818
819
820
821static int coda_encoder_reqbufs(struct coda_ctx *ctx,
822 struct v4l2_requestbuffers *rb)
823{
824 struct coda_q_data *q_data_src;
825 int ret;
826
827 if (rb->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
828 return 0;
829
830 if (rb->count) {
831 q_data_src = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
832 ret = coda_alloc_context_buffers(ctx, q_data_src);
833 if (ret < 0)
834 return ret;
835 } else {
836 coda_free_context_buffers(ctx);
837 }
838
839 return 0;
840}
841
842static int coda_start_encoding(struct coda_ctx *ctx)
843{
844 struct coda_dev *dev = ctx->dev;
845 struct v4l2_device *v4l2_dev = &dev->v4l2_dev;
846 struct coda_q_data *q_data_src, *q_data_dst;
847 u32 bitstream_buf, bitstream_size;
848 struct vb2_v4l2_buffer *buf;
849 int gamma, ret, value;
850 u32 dst_fourcc;
851 int num_fb;
852 u32 stride;
853
854 q_data_src = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
855 q_data_dst = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
856 dst_fourcc = q_data_dst->fourcc;
857
858 buf = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx);
859 bitstream_buf = vb2_dma_contig_plane_dma_addr(&buf->vb2_buf, 0);
860 bitstream_size = q_data_dst->sizeimage;
861
862 if (!coda_is_initialized(dev)) {
863 v4l2_err(v4l2_dev, "coda is not initialized.\n");
864 return -EFAULT;
865 }
866
867 if (dst_fourcc == V4L2_PIX_FMT_JPEG) {
868 if (!ctx->params.jpeg_qmat_tab[0])
869 ctx->params.jpeg_qmat_tab[0] = kmalloc(64, GFP_KERNEL);
870 if (!ctx->params.jpeg_qmat_tab[1])
871 ctx->params.jpeg_qmat_tab[1] = kmalloc(64, GFP_KERNEL);
872 coda_set_jpeg_compression_quality(ctx, ctx->params.jpeg_quality);
873 }
874
875 mutex_lock(&dev->coda_mutex);
876
877 coda_write(dev, ctx->parabuf.paddr, CODA_REG_BIT_PARA_BUF_ADDR);
878 coda_write(dev, bitstream_buf, CODA_REG_BIT_RD_PTR(ctx->reg_idx));
879 coda_write(dev, bitstream_buf, CODA_REG_BIT_WR_PTR(ctx->reg_idx));
880 switch (dev->devtype->product) {
881 case CODA_DX6:
882 coda_write(dev, CODADX6_STREAM_BUF_DYNALLOC_EN |
883 CODADX6_STREAM_BUF_PIC_RESET, CODA_REG_BIT_STREAM_CTRL);
884 break;
885 case CODA_960:
886 coda_write(dev, 0, CODA9_GDI_WPROT_RGN_EN);
887
888 case CODA_7541:
889 coda_write(dev, CODA7_STREAM_BUF_DYNALLOC_EN |
890 CODA7_STREAM_BUF_PIC_RESET, CODA_REG_BIT_STREAM_CTRL);
891 break;
892 }
893
894 ctx->frame_mem_ctrl &= ~(CODA_FRAME_CHROMA_INTERLEAVE | (0x3 << 9) |
895 CODA9_FRAME_TILED2LINEAR);
896 if (q_data_src->fourcc == V4L2_PIX_FMT_NV12)
897 ctx->frame_mem_ctrl |= CODA_FRAME_CHROMA_INTERLEAVE;
898 if (ctx->tiled_map_type == GDI_TILED_FRAME_MB_RASTER_MAP)
899 ctx->frame_mem_ctrl |= (0x3 << 9) | CODA9_FRAME_TILED2LINEAR;
900 coda_write(dev, ctx->frame_mem_ctrl, CODA_REG_BIT_FRAME_MEM_CTRL);
901
902 if (dev->devtype->product == CODA_DX6) {
903
904 coda_write(dev, dev->iram.paddr,
905 CODADX6_REG_BIT_SEARCH_RAM_BASE_ADDR);
906 }
907
908
909 value = 0;
910 switch (dev->devtype->product) {
911 case CODA_DX6:
912 value = (q_data_src->width & CODADX6_PICWIDTH_MASK)
913 << CODADX6_PICWIDTH_OFFSET;
914 value |= (q_data_src->height & CODADX6_PICHEIGHT_MASK)
915 << CODA_PICHEIGHT_OFFSET;
916 break;
917 case CODA_7541:
918 if (dst_fourcc == V4L2_PIX_FMT_H264) {
919 value = (round_up(q_data_src->width, 16) &
920 CODA7_PICWIDTH_MASK) << CODA7_PICWIDTH_OFFSET;
921 value |= (round_up(q_data_src->height, 16) &
922 CODA7_PICHEIGHT_MASK) << CODA_PICHEIGHT_OFFSET;
923 break;
924 }
925
926 case CODA_960:
927 value = (q_data_src->width & CODA7_PICWIDTH_MASK)
928 << CODA7_PICWIDTH_OFFSET;
929 value |= (q_data_src->height & CODA7_PICHEIGHT_MASK)
930 << CODA_PICHEIGHT_OFFSET;
931 }
932 coda_write(dev, value, CODA_CMD_ENC_SEQ_SRC_SIZE);
933 if (dst_fourcc == V4L2_PIX_FMT_JPEG)
934 ctx->params.framerate = 0;
935 coda_write(dev, ctx->params.framerate,
936 CODA_CMD_ENC_SEQ_SRC_F_RATE);
937
938 ctx->params.codec_mode = ctx->codec->mode;
939 switch (dst_fourcc) {
940 case V4L2_PIX_FMT_MPEG4:
941 if (dev->devtype->product == CODA_960)
942 coda_write(dev, CODA9_STD_MPEG4,
943 CODA_CMD_ENC_SEQ_COD_STD);
944 else
945 coda_write(dev, CODA_STD_MPEG4,
946 CODA_CMD_ENC_SEQ_COD_STD);
947 coda_write(dev, 0, CODA_CMD_ENC_SEQ_MP4_PARA);
948 break;
949 case V4L2_PIX_FMT_H264:
950 if (dev->devtype->product == CODA_960)
951 coda_write(dev, CODA9_STD_H264,
952 CODA_CMD_ENC_SEQ_COD_STD);
953 else
954 coda_write(dev, CODA_STD_H264,
955 CODA_CMD_ENC_SEQ_COD_STD);
956 if (ctx->params.h264_deblk_enabled) {
957 value = ((ctx->params.h264_deblk_alpha &
958 CODA_264PARAM_DEBLKFILTEROFFSETALPHA_MASK) <<
959 CODA_264PARAM_DEBLKFILTEROFFSETALPHA_OFFSET) |
960 ((ctx->params.h264_deblk_beta &
961 CODA_264PARAM_DEBLKFILTEROFFSETBETA_MASK) <<
962 CODA_264PARAM_DEBLKFILTEROFFSETBETA_OFFSET);
963 } else {
964 value = 1 << CODA_264PARAM_DISABLEDEBLK_OFFSET;
965 }
966 coda_write(dev, value, CODA_CMD_ENC_SEQ_264_PARA);
967 break;
968 case V4L2_PIX_FMT_JPEG:
969 coda_write(dev, 0, CODA_CMD_ENC_SEQ_JPG_PARA);
970 coda_write(dev, ctx->params.jpeg_restart_interval,
971 CODA_CMD_ENC_SEQ_JPG_RST_INTERVAL);
972 coda_write(dev, 0, CODA_CMD_ENC_SEQ_JPG_THUMB_EN);
973 coda_write(dev, 0, CODA_CMD_ENC_SEQ_JPG_THUMB_SIZE);
974 coda_write(dev, 0, CODA_CMD_ENC_SEQ_JPG_THUMB_OFFSET);
975
976 coda_jpeg_write_tables(ctx);
977 break;
978 default:
979 v4l2_err(v4l2_dev,
980 "dst format (0x%08x) invalid.\n", dst_fourcc);
981 ret = -EINVAL;
982 goto out;
983 }
984
985
986
987
988
989 if (dst_fourcc != V4L2_PIX_FMT_JPEG) {
990 switch (ctx->params.slice_mode) {
991 case V4L2_MPEG_VIDEO_MULTI_SLICE_MODE_SINGLE:
992 value = 0;
993 break;
994 case V4L2_MPEG_VIDEO_MULTI_SICE_MODE_MAX_MB:
995 value = (ctx->params.slice_max_mb &
996 CODA_SLICING_SIZE_MASK)
997 << CODA_SLICING_SIZE_OFFSET;
998 value |= (1 & CODA_SLICING_UNIT_MASK)
999 << CODA_SLICING_UNIT_OFFSET;
1000 value |= 1 & CODA_SLICING_MODE_MASK;
1001 break;
1002 case V4L2_MPEG_VIDEO_MULTI_SICE_MODE_MAX_BYTES:
1003 value = (ctx->params.slice_max_bits &
1004 CODA_SLICING_SIZE_MASK)
1005 << CODA_SLICING_SIZE_OFFSET;
1006 value |= (0 & CODA_SLICING_UNIT_MASK)
1007 << CODA_SLICING_UNIT_OFFSET;
1008 value |= 1 & CODA_SLICING_MODE_MASK;
1009 break;
1010 }
1011 coda_write(dev, value, CODA_CMD_ENC_SEQ_SLICE_MODE);
1012 value = ctx->params.gop_size;
1013 coda_write(dev, value, CODA_CMD_ENC_SEQ_GOP_SIZE);
1014 }
1015
1016 if (ctx->params.bitrate) {
1017
1018 value = (ctx->params.bitrate & CODA_RATECONTROL_BITRATE_MASK)
1019 << CODA_RATECONTROL_BITRATE_OFFSET;
1020 value |= 1 & CODA_RATECONTROL_ENABLE_MASK;
1021 value |= (ctx->params.vbv_delay &
1022 CODA_RATECONTROL_INITIALDELAY_MASK)
1023 << CODA_RATECONTROL_INITIALDELAY_OFFSET;
1024 if (dev->devtype->product == CODA_960)
1025 value |= BIT(31);
1026 } else {
1027 value = 0;
1028 }
1029 coda_write(dev, value, CODA_CMD_ENC_SEQ_RC_PARA);
1030
1031 coda_write(dev, ctx->params.vbv_size, CODA_CMD_ENC_SEQ_RC_BUF_SIZE);
1032 coda_write(dev, ctx->params.intra_refresh,
1033 CODA_CMD_ENC_SEQ_INTRA_REFRESH);
1034
1035 coda_write(dev, bitstream_buf, CODA_CMD_ENC_SEQ_BB_START);
1036 coda_write(dev, bitstream_size / 1024, CODA_CMD_ENC_SEQ_BB_SIZE);
1037
1038
1039 value = 0;
1040 if (dev->devtype->product == CODA_960)
1041 gamma = CODA9_DEFAULT_GAMMA;
1042 else
1043 gamma = CODA_DEFAULT_GAMMA;
1044 if (gamma > 0) {
1045 coda_write(dev, (gamma & CODA_GAMMA_MASK) << CODA_GAMMA_OFFSET,
1046 CODA_CMD_ENC_SEQ_RC_GAMMA);
1047 }
1048
1049 if (ctx->params.h264_min_qp || ctx->params.h264_max_qp) {
1050 coda_write(dev,
1051 ctx->params.h264_min_qp << CODA_QPMIN_OFFSET |
1052 ctx->params.h264_max_qp << CODA_QPMAX_OFFSET,
1053 CODA_CMD_ENC_SEQ_RC_QP_MIN_MAX);
1054 }
1055 if (dev->devtype->product == CODA_960) {
1056 if (ctx->params.h264_max_qp)
1057 value |= 1 << CODA9_OPTION_RCQPMAX_OFFSET;
1058 if (CODA_DEFAULT_GAMMA > 0)
1059 value |= 1 << CODA9_OPTION_GAMMA_OFFSET;
1060 } else {
1061 if (CODA_DEFAULT_GAMMA > 0) {
1062 if (dev->devtype->product == CODA_DX6)
1063 value |= 1 << CODADX6_OPTION_GAMMA_OFFSET;
1064 else
1065 value |= 1 << CODA7_OPTION_GAMMA_OFFSET;
1066 }
1067 if (ctx->params.h264_min_qp)
1068 value |= 1 << CODA7_OPTION_RCQPMIN_OFFSET;
1069 if (ctx->params.h264_max_qp)
1070 value |= 1 << CODA7_OPTION_RCQPMAX_OFFSET;
1071 }
1072 coda_write(dev, value, CODA_CMD_ENC_SEQ_OPTION);
1073
1074 coda_write(dev, 0, CODA_CMD_ENC_SEQ_RC_INTERVAL_MODE);
1075
1076 coda_setup_iram(ctx);
1077
1078 if (dst_fourcc == V4L2_PIX_FMT_H264) {
1079 switch (dev->devtype->product) {
1080 case CODA_DX6:
1081 value = FMO_SLICE_SAVE_BUF_SIZE << 7;
1082 coda_write(dev, value, CODADX6_CMD_ENC_SEQ_FMO);
1083 break;
1084 case CODA_7541:
1085 coda_write(dev, ctx->iram_info.search_ram_paddr,
1086 CODA7_CMD_ENC_SEQ_SEARCH_BASE);
1087 coda_write(dev, ctx->iram_info.search_ram_size,
1088 CODA7_CMD_ENC_SEQ_SEARCH_SIZE);
1089 break;
1090 case CODA_960:
1091 coda_write(dev, 0, CODA9_CMD_ENC_SEQ_ME_OPTION);
1092 coda_write(dev, 0, CODA9_CMD_ENC_SEQ_INTRA_WEIGHT);
1093 }
1094 }
1095
1096 ret = coda_command_sync(ctx, CODA_COMMAND_SEQ_INIT);
1097 if (ret < 0) {
1098 v4l2_err(v4l2_dev, "CODA_COMMAND_SEQ_INIT timeout\n");
1099 goto out;
1100 }
1101
1102 if (coda_read(dev, CODA_RET_ENC_SEQ_SUCCESS) == 0) {
1103 v4l2_err(v4l2_dev, "CODA_COMMAND_SEQ_INIT failed\n");
1104 ret = -EFAULT;
1105 goto out;
1106 }
1107 ctx->initialized = 1;
1108
1109 if (dst_fourcc != V4L2_PIX_FMT_JPEG) {
1110 if (dev->devtype->product == CODA_960)
1111 ctx->num_internal_frames = 4;
1112 else
1113 ctx->num_internal_frames = 2;
1114 ret = coda_alloc_framebuffers(ctx, q_data_src, dst_fourcc);
1115 if (ret < 0) {
1116 v4l2_err(v4l2_dev, "failed to allocate framebuffers\n");
1117 goto out;
1118 }
1119 num_fb = 2;
1120 stride = q_data_src->bytesperline;
1121 } else {
1122 ctx->num_internal_frames = 0;
1123 num_fb = 0;
1124 stride = 0;
1125 }
1126 coda_write(dev, num_fb, CODA_CMD_SET_FRAME_BUF_NUM);
1127 coda_write(dev, stride, CODA_CMD_SET_FRAME_BUF_STRIDE);
1128
1129 if (dev->devtype->product == CODA_7541) {
1130 coda_write(dev, q_data_src->bytesperline,
1131 CODA7_CMD_SET_FRAME_SOURCE_BUF_STRIDE);
1132 }
1133 if (dev->devtype->product != CODA_DX6) {
1134 coda_write(dev, ctx->iram_info.buf_bit_use,
1135 CODA7_CMD_SET_FRAME_AXI_BIT_ADDR);
1136 coda_write(dev, ctx->iram_info.buf_ip_ac_dc_use,
1137 CODA7_CMD_SET_FRAME_AXI_IPACDC_ADDR);
1138 coda_write(dev, ctx->iram_info.buf_dbk_y_use,
1139 CODA7_CMD_SET_FRAME_AXI_DBKY_ADDR);
1140 coda_write(dev, ctx->iram_info.buf_dbk_c_use,
1141 CODA7_CMD_SET_FRAME_AXI_DBKC_ADDR);
1142 coda_write(dev, ctx->iram_info.buf_ovl_use,
1143 CODA7_CMD_SET_FRAME_AXI_OVL_ADDR);
1144 if (dev->devtype->product == CODA_960) {
1145 coda_write(dev, ctx->iram_info.buf_btp_use,
1146 CODA9_CMD_SET_FRAME_AXI_BTP_ADDR);
1147
1148 coda9_set_frame_cache(ctx, q_data_src->fourcc);
1149
1150
1151 coda_write(dev, ctx->internal_frames[2].paddr,
1152 CODA9_CMD_SET_FRAME_SUBSAMP_A);
1153 coda_write(dev, ctx->internal_frames[3].paddr,
1154 CODA9_CMD_SET_FRAME_SUBSAMP_B);
1155 }
1156 }
1157
1158 ret = coda_command_sync(ctx, CODA_COMMAND_SET_FRAME_BUF);
1159 if (ret < 0) {
1160 v4l2_err(v4l2_dev, "CODA_COMMAND_SET_FRAME_BUF timeout\n");
1161 goto out;
1162 }
1163
1164
1165 buf = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx);
1166 switch (dst_fourcc) {
1167 case V4L2_PIX_FMT_H264:
1168
1169
1170
1171
1172 ret = coda_encode_header(ctx, buf, CODA_HEADER_H264_SPS,
1173 &ctx->vpu_header[0][0],
1174 &ctx->vpu_header_size[0]);
1175 if (ret < 0)
1176 goto out;
1177
1178
1179
1180
1181
1182 ret = coda_encode_header(ctx, buf, CODA_HEADER_H264_PPS,
1183 &ctx->vpu_header[1][0],
1184 &ctx->vpu_header_size[1]);
1185 if (ret < 0)
1186 goto out;
1187
1188
1189
1190
1191
1192
1193 ctx->vpu_header_size[2] = coda_h264_padding(
1194 (ctx->vpu_header_size[0] +
1195 ctx->vpu_header_size[1]),
1196 ctx->vpu_header[2]);
1197 break;
1198 case V4L2_PIX_FMT_MPEG4:
1199
1200
1201
1202
1203 ret = coda_encode_header(ctx, buf, CODA_HEADER_MP4V_VOS,
1204 &ctx->vpu_header[0][0],
1205 &ctx->vpu_header_size[0]);
1206 if (ret < 0)
1207 goto out;
1208
1209 ret = coda_encode_header(ctx, buf, CODA_HEADER_MP4V_VIS,
1210 &ctx->vpu_header[1][0],
1211 &ctx->vpu_header_size[1]);
1212 if (ret < 0)
1213 goto out;
1214
1215 ret = coda_encode_header(ctx, buf, CODA_HEADER_MP4V_VOL,
1216 &ctx->vpu_header[2][0],
1217 &ctx->vpu_header_size[2]);
1218 if (ret < 0)
1219 goto out;
1220 break;
1221 default:
1222
1223 break;
1224 }
1225
1226out:
1227 mutex_unlock(&dev->coda_mutex);
1228 return ret;
1229}
1230
1231static int coda_prepare_encode(struct coda_ctx *ctx)
1232{
1233 struct coda_q_data *q_data_src, *q_data_dst;
1234 struct vb2_v4l2_buffer *src_buf, *dst_buf;
1235 struct coda_dev *dev = ctx->dev;
1236 int force_ipicture;
1237 int quant_param = 0;
1238 u32 pic_stream_buffer_addr, pic_stream_buffer_size;
1239 u32 rot_mode = 0;
1240 u32 dst_fourcc;
1241 u32 reg;
1242
1243 src_buf = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx);
1244 dst_buf = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx);
1245 q_data_src = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
1246 q_data_dst = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
1247 dst_fourcc = q_data_dst->fourcc;
1248
1249 src_buf->sequence = ctx->osequence;
1250 dst_buf->sequence = ctx->osequence;
1251 ctx->osequence++;
1252
1253 force_ipicture = ctx->params.force_ipicture;
1254 if (force_ipicture)
1255 ctx->params.force_ipicture = false;
1256 else if (ctx->params.gop_size != 0 &&
1257 (src_buf->sequence % ctx->params.gop_size) == 0)
1258 force_ipicture = 1;
1259
1260
1261
1262
1263
1264
1265 if (!force_ipicture) {
1266 src_buf->flags |= V4L2_BUF_FLAG_PFRAME;
1267 src_buf->flags &= ~V4L2_BUF_FLAG_KEYFRAME;
1268 } else {
1269 src_buf->flags |= V4L2_BUF_FLAG_KEYFRAME;
1270 src_buf->flags &= ~V4L2_BUF_FLAG_PFRAME;
1271 }
1272
1273 if (dev->devtype->product == CODA_960)
1274 coda_set_gdi_regs(ctx);
1275
1276
1277
1278
1279
1280 if (src_buf->sequence == 0 || force_ipicture) {
1281 pic_stream_buffer_addr =
1282 vb2_dma_contig_plane_dma_addr(&dst_buf->vb2_buf, 0) +
1283 ctx->vpu_header_size[0] +
1284 ctx->vpu_header_size[1] +
1285 ctx->vpu_header_size[2];
1286 pic_stream_buffer_size = q_data_dst->sizeimage -
1287 ctx->vpu_header_size[0] -
1288 ctx->vpu_header_size[1] -
1289 ctx->vpu_header_size[2];
1290 memcpy(vb2_plane_vaddr(&dst_buf->vb2_buf, 0),
1291 &ctx->vpu_header[0][0], ctx->vpu_header_size[0]);
1292 memcpy(vb2_plane_vaddr(&dst_buf->vb2_buf, 0)
1293 + ctx->vpu_header_size[0], &ctx->vpu_header[1][0],
1294 ctx->vpu_header_size[1]);
1295 memcpy(vb2_plane_vaddr(&dst_buf->vb2_buf, 0)
1296 + ctx->vpu_header_size[0] + ctx->vpu_header_size[1],
1297 &ctx->vpu_header[2][0], ctx->vpu_header_size[2]);
1298 } else {
1299 pic_stream_buffer_addr =
1300 vb2_dma_contig_plane_dma_addr(&dst_buf->vb2_buf, 0);
1301 pic_stream_buffer_size = q_data_dst->sizeimage;
1302 }
1303
1304 if (force_ipicture) {
1305 switch (dst_fourcc) {
1306 case V4L2_PIX_FMT_H264:
1307 quant_param = ctx->params.h264_intra_qp;
1308 break;
1309 case V4L2_PIX_FMT_MPEG4:
1310 quant_param = ctx->params.mpeg4_intra_qp;
1311 break;
1312 case V4L2_PIX_FMT_JPEG:
1313 quant_param = 30;
1314 break;
1315 default:
1316 v4l2_warn(&ctx->dev->v4l2_dev,
1317 "cannot set intra qp, fmt not supported\n");
1318 break;
1319 }
1320 } else {
1321 switch (dst_fourcc) {
1322 case V4L2_PIX_FMT_H264:
1323 quant_param = ctx->params.h264_inter_qp;
1324 break;
1325 case V4L2_PIX_FMT_MPEG4:
1326 quant_param = ctx->params.mpeg4_inter_qp;
1327 break;
1328 default:
1329 v4l2_warn(&ctx->dev->v4l2_dev,
1330 "cannot set inter qp, fmt not supported\n");
1331 break;
1332 }
1333 }
1334
1335
1336 if (ctx->params.rot_mode)
1337 rot_mode = CODA_ROT_MIR_ENABLE | ctx->params.rot_mode;
1338 coda_write(dev, rot_mode, CODA_CMD_ENC_PIC_ROT_MODE);
1339 coda_write(dev, quant_param, CODA_CMD_ENC_PIC_QS);
1340
1341 if (dev->devtype->product == CODA_960) {
1342 coda_write(dev, 4, CODA9_CMD_ENC_PIC_SRC_INDEX);
1343 coda_write(dev, q_data_src->width, CODA9_CMD_ENC_PIC_SRC_STRIDE);
1344 coda_write(dev, 0, CODA9_CMD_ENC_PIC_SUB_FRAME_SYNC);
1345
1346 reg = CODA9_CMD_ENC_PIC_SRC_ADDR_Y;
1347 } else {
1348 reg = CODA_CMD_ENC_PIC_SRC_ADDR_Y;
1349 }
1350 coda_write_base(ctx, q_data_src, src_buf, reg);
1351
1352 coda_write(dev, force_ipicture << 1 & 0x2,
1353 CODA_CMD_ENC_PIC_OPTION);
1354
1355 coda_write(dev, pic_stream_buffer_addr, CODA_CMD_ENC_PIC_BB_START);
1356 coda_write(dev, pic_stream_buffer_size / 1024,
1357 CODA_CMD_ENC_PIC_BB_SIZE);
1358
1359 if (!ctx->streamon_out) {
1360
1361 ctx->bit_stream_param |= CODA_BIT_STREAM_END_FLAG;
1362 coda_write(dev, ctx->bit_stream_param,
1363 CODA_REG_BIT_BIT_STREAM_PARAM);
1364 }
1365
1366 if (dev->devtype->product != CODA_DX6)
1367 coda_write(dev, ctx->iram_info.axi_sram_use,
1368 CODA7_REG_BIT_AXI_SRAM_USE);
1369
1370 trace_coda_enc_pic_run(ctx, src_buf);
1371
1372 coda_command_async(ctx, CODA_COMMAND_PIC_RUN);
1373
1374 return 0;
1375}
1376
1377static void coda_finish_encode(struct coda_ctx *ctx)
1378{
1379 struct vb2_v4l2_buffer *src_buf, *dst_buf;
1380 struct coda_dev *dev = ctx->dev;
1381 u32 wr_ptr, start_ptr;
1382
1383 src_buf = v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx);
1384 dst_buf = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx);
1385
1386 trace_coda_enc_pic_done(ctx, dst_buf);
1387
1388
1389 start_ptr = coda_read(dev, CODA_CMD_ENC_PIC_BB_START);
1390 wr_ptr = coda_read(dev, CODA_REG_BIT_WR_PTR(ctx->reg_idx));
1391
1392
1393 if (dst_buf->sequence == 0 ||
1394 src_buf->flags & V4L2_BUF_FLAG_KEYFRAME) {
1395 vb2_set_plane_payload(&dst_buf->vb2_buf, 0, wr_ptr - start_ptr +
1396 ctx->vpu_header_size[0] +
1397 ctx->vpu_header_size[1] +
1398 ctx->vpu_header_size[2]);
1399 } else {
1400 vb2_set_plane_payload(&dst_buf->vb2_buf, 0, wr_ptr - start_ptr);
1401 }
1402
1403 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev, "frame size = %u\n",
1404 wr_ptr - start_ptr);
1405
1406 coda_read(dev, CODA_RET_ENC_PIC_SLICE_NUM);
1407 coda_read(dev, CODA_RET_ENC_PIC_FLAG);
1408
1409 if (coda_read(dev, CODA_RET_ENC_PIC_TYPE) == 0) {
1410 dst_buf->flags |= V4L2_BUF_FLAG_KEYFRAME;
1411 dst_buf->flags &= ~V4L2_BUF_FLAG_PFRAME;
1412 } else {
1413 dst_buf->flags |= V4L2_BUF_FLAG_PFRAME;
1414 dst_buf->flags &= ~V4L2_BUF_FLAG_KEYFRAME;
1415 }
1416
1417 dst_buf->vb2_buf.timestamp = src_buf->vb2_buf.timestamp;
1418 dst_buf->field = src_buf->field;
1419 dst_buf->flags &= ~V4L2_BUF_FLAG_TSTAMP_SRC_MASK;
1420 dst_buf->flags |=
1421 src_buf->flags & V4L2_BUF_FLAG_TSTAMP_SRC_MASK;
1422 dst_buf->timecode = src_buf->timecode;
1423
1424 v4l2_m2m_buf_done(src_buf, VB2_BUF_STATE_DONE);
1425
1426 dst_buf = v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx);
1427 coda_m2m_buf_done(ctx, dst_buf, VB2_BUF_STATE_DONE);
1428
1429 ctx->gopcounter--;
1430 if (ctx->gopcounter < 0)
1431 ctx->gopcounter = ctx->params.gop_size - 1;
1432
1433 v4l2_dbg(1, coda_debug, &dev->v4l2_dev,
1434 "job finished: encoding frame (%d) (%s)\n",
1435 dst_buf->sequence,
1436 (dst_buf->flags & V4L2_BUF_FLAG_KEYFRAME) ?
1437 "KEYFRAME" : "PFRAME");
1438}
1439
1440static void coda_seq_end_work(struct work_struct *work)
1441{
1442 struct coda_ctx *ctx = container_of(work, struct coda_ctx, seq_end_work);
1443 struct coda_dev *dev = ctx->dev;
1444
1445 mutex_lock(&ctx->buffer_mutex);
1446 mutex_lock(&dev->coda_mutex);
1447
1448 if (ctx->initialized == 0)
1449 goto out;
1450
1451 v4l2_dbg(1, coda_debug, &dev->v4l2_dev,
1452 "%d: %s: sent command 'SEQ_END' to coda\n", ctx->idx,
1453 __func__);
1454 if (coda_command_sync(ctx, CODA_COMMAND_SEQ_END)) {
1455 v4l2_err(&dev->v4l2_dev,
1456 "CODA_COMMAND_SEQ_END failed\n");
1457 }
1458
1459
1460
1461
1462
1463
1464 if (dev->devtype->product == CODA_960)
1465 coda_hw_reset(ctx);
1466
1467 kfifo_init(&ctx->bitstream_fifo,
1468 ctx->bitstream.vaddr, ctx->bitstream.size);
1469
1470 coda_free_framebuffers(ctx);
1471
1472 ctx->initialized = 0;
1473
1474out:
1475 mutex_unlock(&dev->coda_mutex);
1476 mutex_unlock(&ctx->buffer_mutex);
1477}
1478
1479static void coda_bit_release(struct coda_ctx *ctx)
1480{
1481 mutex_lock(&ctx->buffer_mutex);
1482 coda_free_framebuffers(ctx);
1483 coda_free_context_buffers(ctx);
1484 coda_free_bitstream_buffer(ctx);
1485 mutex_unlock(&ctx->buffer_mutex);
1486}
1487
1488const struct coda_context_ops coda_bit_encode_ops = {
1489 .queue_init = coda_encoder_queue_init,
1490 .reqbufs = coda_encoder_reqbufs,
1491 .start_streaming = coda_start_encoding,
1492 .prepare_run = coda_prepare_encode,
1493 .finish_run = coda_finish_encode,
1494 .seq_end_work = coda_seq_end_work,
1495 .release = coda_bit_release,
1496};
1497
1498
1499
1500
1501
1502static int coda_alloc_bitstream_buffer(struct coda_ctx *ctx,
1503 struct coda_q_data *q_data)
1504{
1505 if (ctx->bitstream.vaddr)
1506 return 0;
1507
1508 ctx->bitstream.size = roundup_pow_of_two(q_data->sizeimage * 2);
1509 ctx->bitstream.vaddr = dma_alloc_wc(&ctx->dev->plat_dev->dev,
1510 ctx->bitstream.size,
1511 &ctx->bitstream.paddr, GFP_KERNEL);
1512 if (!ctx->bitstream.vaddr) {
1513 v4l2_err(&ctx->dev->v4l2_dev,
1514 "failed to allocate bitstream ringbuffer");
1515 return -ENOMEM;
1516 }
1517 kfifo_init(&ctx->bitstream_fifo,
1518 ctx->bitstream.vaddr, ctx->bitstream.size);
1519
1520 return 0;
1521}
1522
1523static void coda_free_bitstream_buffer(struct coda_ctx *ctx)
1524{
1525 if (ctx->bitstream.vaddr == NULL)
1526 return;
1527
1528 dma_free_wc(&ctx->dev->plat_dev->dev, ctx->bitstream.size,
1529 ctx->bitstream.vaddr, ctx->bitstream.paddr);
1530 ctx->bitstream.vaddr = NULL;
1531 kfifo_init(&ctx->bitstream_fifo, NULL, 0);
1532}
1533
1534static int coda_decoder_reqbufs(struct coda_ctx *ctx,
1535 struct v4l2_requestbuffers *rb)
1536{
1537 struct coda_q_data *q_data_src;
1538 int ret;
1539
1540 if (rb->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
1541 return 0;
1542
1543 if (rb->count) {
1544 q_data_src = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
1545 ret = coda_alloc_context_buffers(ctx, q_data_src);
1546 if (ret < 0)
1547 return ret;
1548 ret = coda_alloc_bitstream_buffer(ctx, q_data_src);
1549 if (ret < 0) {
1550 coda_free_context_buffers(ctx);
1551 return ret;
1552 }
1553 } else {
1554 coda_free_bitstream_buffer(ctx);
1555 coda_free_context_buffers(ctx);
1556 }
1557
1558 return 0;
1559}
1560
1561static bool coda_reorder_enable(struct coda_ctx *ctx)
1562{
1563 const char * const *profile_names;
1564 const char * const *level_names;
1565 struct coda_dev *dev = ctx->dev;
1566 int profile, level;
1567
1568 if (dev->devtype->product != CODA_7541 &&
1569 dev->devtype->product != CODA_960)
1570 return false;
1571
1572 if (ctx->codec->src_fourcc == V4L2_PIX_FMT_JPEG)
1573 return false;
1574
1575 if (ctx->codec->src_fourcc != V4L2_PIX_FMT_H264)
1576 return true;
1577
1578 profile = coda_h264_profile(ctx->params.h264_profile_idc);
1579 if (profile < 0) {
1580 v4l2_warn(&dev->v4l2_dev, "Invalid H264 Profile: %d\n",
1581 ctx->params.h264_profile_idc);
1582 return false;
1583 }
1584
1585 level = coda_h264_level(ctx->params.h264_level_idc);
1586 if (level < 0) {
1587 v4l2_warn(&dev->v4l2_dev, "Invalid H264 Level: %d\n",
1588 ctx->params.h264_level_idc);
1589 return false;
1590 }
1591
1592 profile_names = v4l2_ctrl_get_menu(V4L2_CID_MPEG_VIDEO_H264_PROFILE);
1593 level_names = v4l2_ctrl_get_menu(V4L2_CID_MPEG_VIDEO_H264_LEVEL);
1594
1595 v4l2_dbg(1, coda_debug, &dev->v4l2_dev, "H264 Profile/Level: %s L%s\n",
1596 profile_names[profile], level_names[level]);
1597
1598
1599 return profile > V4L2_MPEG_VIDEO_H264_PROFILE_BASELINE;
1600}
1601
1602static int __coda_start_decoding(struct coda_ctx *ctx)
1603{
1604 struct coda_q_data *q_data_src, *q_data_dst;
1605 u32 bitstream_buf, bitstream_size;
1606 struct coda_dev *dev = ctx->dev;
1607 int width, height;
1608 u32 src_fourcc, dst_fourcc;
1609 u32 val;
1610 int ret;
1611
1612 v4l2_dbg(1, coda_debug, &dev->v4l2_dev,
1613 "Video Data Order Adapter: %s\n",
1614 ctx->use_vdoa ? "Enabled" : "Disabled");
1615
1616
1617 q_data_src = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
1618 q_data_dst = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
1619 bitstream_buf = ctx->bitstream.paddr;
1620 bitstream_size = ctx->bitstream.size;
1621 src_fourcc = q_data_src->fourcc;
1622 dst_fourcc = q_data_dst->fourcc;
1623
1624 coda_write(dev, ctx->parabuf.paddr, CODA_REG_BIT_PARA_BUF_ADDR);
1625
1626
1627 coda_kfifo_sync_to_device_full(ctx);
1628
1629 ctx->frame_mem_ctrl &= ~(CODA_FRAME_CHROMA_INTERLEAVE | (0x3 << 9) |
1630 CODA9_FRAME_TILED2LINEAR);
1631 if (dst_fourcc == V4L2_PIX_FMT_NV12 || dst_fourcc == V4L2_PIX_FMT_YUYV)
1632 ctx->frame_mem_ctrl |= CODA_FRAME_CHROMA_INTERLEAVE;
1633 if (ctx->tiled_map_type == GDI_TILED_FRAME_MB_RASTER_MAP)
1634 ctx->frame_mem_ctrl |= (0x3 << 9) |
1635 ((ctx->use_vdoa) ? 0 : CODA9_FRAME_TILED2LINEAR);
1636 coda_write(dev, ctx->frame_mem_ctrl, CODA_REG_BIT_FRAME_MEM_CTRL);
1637
1638 ctx->display_idx = -1;
1639 ctx->frm_dis_flg = 0;
1640 coda_write(dev, 0, CODA_REG_BIT_FRM_DIS_FLG(ctx->reg_idx));
1641
1642 coda_write(dev, bitstream_buf, CODA_CMD_DEC_SEQ_BB_START);
1643 coda_write(dev, bitstream_size / 1024, CODA_CMD_DEC_SEQ_BB_SIZE);
1644 val = 0;
1645 if (coda_reorder_enable(ctx))
1646 val |= CODA_REORDER_ENABLE;
1647 if (ctx->codec->src_fourcc == V4L2_PIX_FMT_JPEG)
1648 val |= CODA_NO_INT_ENABLE;
1649 coda_write(dev, val, CODA_CMD_DEC_SEQ_OPTION);
1650
1651 ctx->params.codec_mode = ctx->codec->mode;
1652 if (dev->devtype->product == CODA_960 &&
1653 src_fourcc == V4L2_PIX_FMT_MPEG4)
1654 ctx->params.codec_mode_aux = CODA_MP4_AUX_MPEG4;
1655 else
1656 ctx->params.codec_mode_aux = 0;
1657 if (src_fourcc == V4L2_PIX_FMT_MPEG4) {
1658 coda_write(dev, CODA_MP4_CLASS_MPEG4,
1659 CODA_CMD_DEC_SEQ_MP4_ASP_CLASS);
1660 }
1661 if (src_fourcc == V4L2_PIX_FMT_H264) {
1662 if (dev->devtype->product == CODA_7541) {
1663 coda_write(dev, ctx->psbuf.paddr,
1664 CODA_CMD_DEC_SEQ_PS_BB_START);
1665 coda_write(dev, (CODA7_PS_BUF_SIZE / 1024),
1666 CODA_CMD_DEC_SEQ_PS_BB_SIZE);
1667 }
1668 if (dev->devtype->product == CODA_960) {
1669 coda_write(dev, 0, CODA_CMD_DEC_SEQ_X264_MV_EN);
1670 coda_write(dev, 512, CODA_CMD_DEC_SEQ_SPP_CHUNK_SIZE);
1671 }
1672 }
1673 if (dev->devtype->product != CODA_960)
1674 coda_write(dev, 0, CODA_CMD_DEC_SEQ_SRC_SIZE);
1675
1676 ctx->bit_stream_param = CODA_BIT_DEC_SEQ_INIT_ESCAPE;
1677 ret = coda_command_sync(ctx, CODA_COMMAND_SEQ_INIT);
1678 ctx->bit_stream_param = 0;
1679 if (ret) {
1680 v4l2_err(&dev->v4l2_dev, "CODA_COMMAND_SEQ_INIT timeout\n");
1681 return ret;
1682 }
1683 ctx->initialized = 1;
1684
1685
1686 coda_kfifo_sync_from_device(ctx);
1687
1688 if (coda_read(dev, CODA_RET_DEC_SEQ_SUCCESS) == 0) {
1689 v4l2_err(&dev->v4l2_dev,
1690 "CODA_COMMAND_SEQ_INIT failed, error code = %d\n",
1691 coda_read(dev, CODA_RET_DEC_SEQ_ERR_REASON));
1692 return -EAGAIN;
1693 }
1694
1695 val = coda_read(dev, CODA_RET_DEC_SEQ_SRC_SIZE);
1696 if (dev->devtype->product == CODA_DX6) {
1697 width = (val >> CODADX6_PICWIDTH_OFFSET) & CODADX6_PICWIDTH_MASK;
1698 height = val & CODADX6_PICHEIGHT_MASK;
1699 } else {
1700 width = (val >> CODA7_PICWIDTH_OFFSET) & CODA7_PICWIDTH_MASK;
1701 height = val & CODA7_PICHEIGHT_MASK;
1702 }
1703
1704 if (width > q_data_dst->bytesperline || height > q_data_dst->height) {
1705 v4l2_err(&dev->v4l2_dev, "stream is %dx%d, not %dx%d\n",
1706 width, height, q_data_dst->bytesperline,
1707 q_data_dst->height);
1708 return -EINVAL;
1709 }
1710
1711 width = round_up(width, 16);
1712 height = round_up(height, 16);
1713
1714 v4l2_dbg(1, coda_debug, &dev->v4l2_dev, "%s instance %d now: %dx%d\n",
1715 __func__, ctx->idx, width, height);
1716
1717 ctx->num_internal_frames = coda_read(dev, CODA_RET_DEC_SEQ_FRAME_NEED);
1718
1719
1720
1721
1722
1723
1724
1725 if (ctx->use_vdoa)
1726 ctx->num_internal_frames += 1;
1727 if (ctx->num_internal_frames > CODA_MAX_FRAMEBUFFERS) {
1728 v4l2_err(&dev->v4l2_dev,
1729 "not enough framebuffers to decode (%d < %d)\n",
1730 CODA_MAX_FRAMEBUFFERS, ctx->num_internal_frames);
1731 return -EINVAL;
1732 }
1733
1734 if (src_fourcc == V4L2_PIX_FMT_H264) {
1735 u32 left_right;
1736 u32 top_bottom;
1737
1738 left_right = coda_read(dev, CODA_RET_DEC_SEQ_CROP_LEFT_RIGHT);
1739 top_bottom = coda_read(dev, CODA_RET_DEC_SEQ_CROP_TOP_BOTTOM);
1740
1741 q_data_dst->rect.left = (left_right >> 10) & 0x3ff;
1742 q_data_dst->rect.top = (top_bottom >> 10) & 0x3ff;
1743 q_data_dst->rect.width = width - q_data_dst->rect.left -
1744 (left_right & 0x3ff);
1745 q_data_dst->rect.height = height - q_data_dst->rect.top -
1746 (top_bottom & 0x3ff);
1747 }
1748
1749 ret = coda_alloc_framebuffers(ctx, q_data_dst, src_fourcc);
1750 if (ret < 0) {
1751 v4l2_err(&dev->v4l2_dev, "failed to allocate framebuffers\n");
1752 return ret;
1753 }
1754
1755
1756 coda_write(dev, ctx->num_internal_frames, CODA_CMD_SET_FRAME_BUF_NUM);
1757 coda_write(dev, width, CODA_CMD_SET_FRAME_BUF_STRIDE);
1758
1759 if (dev->devtype->product != CODA_DX6) {
1760
1761 coda_setup_iram(ctx);
1762
1763 coda_write(dev, ctx->iram_info.buf_bit_use,
1764 CODA7_CMD_SET_FRAME_AXI_BIT_ADDR);
1765 coda_write(dev, ctx->iram_info.buf_ip_ac_dc_use,
1766 CODA7_CMD_SET_FRAME_AXI_IPACDC_ADDR);
1767 coda_write(dev, ctx->iram_info.buf_dbk_y_use,
1768 CODA7_CMD_SET_FRAME_AXI_DBKY_ADDR);
1769 coda_write(dev, ctx->iram_info.buf_dbk_c_use,
1770 CODA7_CMD_SET_FRAME_AXI_DBKC_ADDR);
1771 coda_write(dev, ctx->iram_info.buf_ovl_use,
1772 CODA7_CMD_SET_FRAME_AXI_OVL_ADDR);
1773 if (dev->devtype->product == CODA_960) {
1774 coda_write(dev, ctx->iram_info.buf_btp_use,
1775 CODA9_CMD_SET_FRAME_AXI_BTP_ADDR);
1776
1777 coda_write(dev, -1, CODA9_CMD_SET_FRAME_DELAY);
1778 coda9_set_frame_cache(ctx, dst_fourcc);
1779 }
1780 }
1781
1782 if (src_fourcc == V4L2_PIX_FMT_H264) {
1783 coda_write(dev, ctx->slicebuf.paddr,
1784 CODA_CMD_SET_FRAME_SLICE_BB_START);
1785 coda_write(dev, ctx->slicebuf.size / 1024,
1786 CODA_CMD_SET_FRAME_SLICE_BB_SIZE);
1787 }
1788
1789 if (dev->devtype->product == CODA_7541) {
1790 int max_mb_x = 1920 / 16;
1791 int max_mb_y = 1088 / 16;
1792 int max_mb_num = max_mb_x * max_mb_y;
1793
1794 coda_write(dev, max_mb_num << 16 | max_mb_x << 8 | max_mb_y,
1795 CODA7_CMD_SET_FRAME_MAX_DEC_SIZE);
1796 } else if (dev->devtype->product == CODA_960) {
1797 int max_mb_x = 1920 / 16;
1798 int max_mb_y = 1088 / 16;
1799 int max_mb_num = max_mb_x * max_mb_y;
1800
1801 coda_write(dev, max_mb_num << 16 | max_mb_x << 8 | max_mb_y,
1802 CODA9_CMD_SET_FRAME_MAX_DEC_SIZE);
1803 }
1804
1805 if (coda_command_sync(ctx, CODA_COMMAND_SET_FRAME_BUF)) {
1806 v4l2_err(&ctx->dev->v4l2_dev,
1807 "CODA_COMMAND_SET_FRAME_BUF timeout\n");
1808 return -ETIMEDOUT;
1809 }
1810
1811 return 0;
1812}
1813
1814static int coda_start_decoding(struct coda_ctx *ctx)
1815{
1816 struct coda_dev *dev = ctx->dev;
1817 int ret;
1818
1819 mutex_lock(&dev->coda_mutex);
1820 ret = __coda_start_decoding(ctx);
1821 mutex_unlock(&dev->coda_mutex);
1822
1823 return ret;
1824}
1825
1826static int coda_prepare_decode(struct coda_ctx *ctx)
1827{
1828 struct vb2_v4l2_buffer *dst_buf;
1829 struct coda_dev *dev = ctx->dev;
1830 struct coda_q_data *q_data_dst;
1831 struct coda_buffer_meta *meta;
1832 unsigned long flags;
1833 u32 rot_mode = 0;
1834 u32 reg_addr, reg_stride;
1835
1836 dst_buf = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx);
1837 q_data_dst = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
1838
1839
1840 mutex_lock(&ctx->bitstream_mutex);
1841 coda_fill_bitstream(ctx, NULL);
1842 mutex_unlock(&ctx->bitstream_mutex);
1843
1844 if (coda_get_bitstream_payload(ctx) < 512 &&
1845 (!(ctx->bit_stream_param & CODA_BIT_STREAM_END_FLAG))) {
1846 v4l2_dbg(1, coda_debug, &dev->v4l2_dev,
1847 "bitstream payload: %d, skipping\n",
1848 coda_get_bitstream_payload(ctx));
1849 v4l2_m2m_job_finish(ctx->dev->m2m_dev, ctx->fh.m2m_ctx);
1850 return -EAGAIN;
1851 }
1852
1853
1854 if (!ctx->initialized) {
1855 int ret = __coda_start_decoding(ctx);
1856
1857 if (ret < 0) {
1858 v4l2_err(&dev->v4l2_dev, "failed to start decoding\n");
1859 v4l2_m2m_job_finish(ctx->dev->m2m_dev, ctx->fh.m2m_ctx);
1860 return -EAGAIN;
1861 } else {
1862 ctx->initialized = 1;
1863 }
1864 }
1865
1866 if (dev->devtype->product == CODA_960)
1867 coda_set_gdi_regs(ctx);
1868
1869 if (ctx->use_vdoa &&
1870 ctx->display_idx >= 0 &&
1871 ctx->display_idx < ctx->num_internal_frames) {
1872 vdoa_device_run(ctx->vdoa,
1873 vb2_dma_contig_plane_dma_addr(&dst_buf->vb2_buf, 0),
1874 ctx->internal_frames[ctx->display_idx].paddr);
1875 } else {
1876 if (dev->devtype->product == CODA_960) {
1877
1878
1879
1880
1881
1882
1883
1884
1885
1886 coda_write(dev,
1887 CODA_MAX_FRAMEBUFFERS + dst_buf->vb2_buf.index,
1888 CODA9_CMD_DEC_PIC_ROT_INDEX);
1889
1890 reg_addr = CODA9_CMD_DEC_PIC_ROT_ADDR_Y;
1891 reg_stride = CODA9_CMD_DEC_PIC_ROT_STRIDE;
1892 } else {
1893 reg_addr = CODA_CMD_DEC_PIC_ROT_ADDR_Y;
1894 reg_stride = CODA_CMD_DEC_PIC_ROT_STRIDE;
1895 }
1896 coda_write_base(ctx, q_data_dst, dst_buf, reg_addr);
1897 coda_write(dev, q_data_dst->bytesperline, reg_stride);
1898
1899 rot_mode = CODA_ROT_MIR_ENABLE | ctx->params.rot_mode;
1900 }
1901
1902 coda_write(dev, rot_mode, CODA_CMD_DEC_PIC_ROT_MODE);
1903
1904 switch (dev->devtype->product) {
1905 case CODA_DX6:
1906
1907 case CODA_7541:
1908 coda_write(dev, CODA_PRE_SCAN_EN, CODA_CMD_DEC_PIC_OPTION);
1909 break;
1910 case CODA_960:
1911
1912 coda_write(dev, (1 << 10), CODA_CMD_DEC_PIC_OPTION);
1913 break;
1914 }
1915
1916 coda_write(dev, 0, CODA_CMD_DEC_PIC_SKIP_NUM);
1917
1918 coda_write(dev, 0, CODA_CMD_DEC_PIC_BB_START);
1919 coda_write(dev, 0, CODA_CMD_DEC_PIC_START_BYTE);
1920
1921 if (dev->devtype->product != CODA_DX6)
1922 coda_write(dev, ctx->iram_info.axi_sram_use,
1923 CODA7_REG_BIT_AXI_SRAM_USE);
1924
1925 spin_lock_irqsave(&ctx->buffer_meta_lock, flags);
1926 meta = list_first_entry_or_null(&ctx->buffer_meta_list,
1927 struct coda_buffer_meta, list);
1928
1929 if (meta && ctx->codec->src_fourcc == V4L2_PIX_FMT_JPEG) {
1930
1931
1932 if (meta->end == (ctx->bitstream_fifo.kfifo.in &
1933 ctx->bitstream_fifo.kfifo.mask)) {
1934 static unsigned char buf[512];
1935 unsigned int pad;
1936
1937
1938 pad = ((0 - meta->end) & 0xff) + 256;
1939
1940 memset(buf, 0xff, sizeof(buf));
1941
1942 kfifo_in(&ctx->bitstream_fifo, buf, pad);
1943 }
1944 }
1945 spin_unlock_irqrestore(&ctx->buffer_meta_lock, flags);
1946
1947 coda_kfifo_sync_to_device_full(ctx);
1948
1949
1950 coda_write(dev, 0, CODA_RET_DEC_PIC_SUCCESS);
1951
1952 trace_coda_dec_pic_run(ctx, meta);
1953
1954 coda_command_async(ctx, CODA_COMMAND_PIC_RUN);
1955
1956 return 0;
1957}
1958
1959static void coda_finish_decode(struct coda_ctx *ctx)
1960{
1961 struct coda_dev *dev = ctx->dev;
1962 struct coda_q_data *q_data_src;
1963 struct coda_q_data *q_data_dst;
1964 struct vb2_v4l2_buffer *dst_buf;
1965 struct coda_buffer_meta *meta;
1966 unsigned long payload;
1967 unsigned long flags;
1968 int width, height;
1969 int decoded_idx;
1970 int display_idx;
1971 u32 src_fourcc;
1972 int success;
1973 u32 err_mb;
1974 int err_vdoa = 0;
1975 u32 val;
1976
1977
1978 coda_kfifo_sync_from_device(ctx);
1979
1980
1981
1982
1983
1984 if (ctx->bit_stream_param & CODA_BIT_STREAM_END_FLAG) {
1985 if (coda_get_bitstream_payload(ctx) >= ctx->bitstream.size - 512)
1986 kfifo_init(&ctx->bitstream_fifo,
1987 ctx->bitstream.vaddr, ctx->bitstream.size);
1988 }
1989
1990 q_data_src = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
1991 src_fourcc = q_data_src->fourcc;
1992
1993 val = coda_read(dev, CODA_RET_DEC_PIC_SUCCESS);
1994 if (val != 1)
1995 pr_err("DEC_PIC_SUCCESS = %d\n", val);
1996
1997 success = val & 0x1;
1998 if (!success)
1999 v4l2_err(&dev->v4l2_dev, "decode failed\n");
2000
2001 if (src_fourcc == V4L2_PIX_FMT_H264) {
2002 if (val & (1 << 3))
2003 v4l2_err(&dev->v4l2_dev,
2004 "insufficient PS buffer space (%d bytes)\n",
2005 ctx->psbuf.size);
2006 if (val & (1 << 2))
2007 v4l2_err(&dev->v4l2_dev,
2008 "insufficient slice buffer space (%d bytes)\n",
2009 ctx->slicebuf.size);
2010 }
2011
2012 val = coda_read(dev, CODA_RET_DEC_PIC_SIZE);
2013 width = (val >> 16) & 0xffff;
2014 height = val & 0xffff;
2015
2016 q_data_dst = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
2017
2018
2019 if (src_fourcc == V4L2_PIX_FMT_H264) {
2020 u32 left_right;
2021 u32 top_bottom;
2022
2023 left_right = coda_read(dev, CODA_RET_DEC_PIC_CROP_LEFT_RIGHT);
2024 top_bottom = coda_read(dev, CODA_RET_DEC_PIC_CROP_TOP_BOTTOM);
2025
2026 if (left_right == 0xffffffff && top_bottom == 0xffffffff) {
2027
2028 } else {
2029 struct v4l2_rect *rect = &q_data_dst->rect;
2030
2031 rect->left = left_right >> 16 & 0xffff;
2032 rect->top = top_bottom >> 16 & 0xffff;
2033 rect->width = width - rect->left -
2034 (left_right & 0xffff);
2035 rect->height = height - rect->top -
2036 (top_bottom & 0xffff);
2037 }
2038 } else {
2039
2040 }
2041
2042 err_mb = coda_read(dev, CODA_RET_DEC_PIC_ERR_MB);
2043 if (err_mb > 0)
2044 v4l2_err(&dev->v4l2_dev,
2045 "errors in %d macroblocks\n", err_mb);
2046
2047 if (dev->devtype->product == CODA_7541) {
2048 val = coda_read(dev, CODA_RET_DEC_PIC_OPTION);
2049 if (val == 0) {
2050
2051 v4l2_dbg(1, coda_debug, &dev->v4l2_dev,
2052 "prescan failed: %d\n", val);
2053 ctx->hold = true;
2054 return;
2055 }
2056 }
2057
2058
2059 if (ctx->use_vdoa &&
2060 ctx->display_idx >= 0 &&
2061 ctx->display_idx < ctx->num_internal_frames) {
2062 err_vdoa = vdoa_wait_for_completion(ctx->vdoa);
2063 }
2064
2065 ctx->frm_dis_flg = coda_read(dev,
2066 CODA_REG_BIT_FRM_DIS_FLG(ctx->reg_idx));
2067
2068
2069 if (ctx->display_idx >= 0 &&
2070 ctx->display_idx < ctx->num_internal_frames) {
2071 ctx->frm_dis_flg &= ~(1 << ctx->display_idx);
2072 coda_write(dev, ctx->frm_dis_flg,
2073 CODA_REG_BIT_FRM_DIS_FLG(ctx->reg_idx));
2074 }
2075
2076
2077
2078
2079
2080
2081 decoded_idx = coda_read(dev, CODA_RET_DEC_PIC_CUR_IDX);
2082 display_idx = coda_read(dev, CODA_RET_DEC_PIC_FRAME_IDX);
2083
2084 if (decoded_idx == -1) {
2085
2086 if (display_idx >= 0 && display_idx < ctx->num_internal_frames)
2087 ctx->sequence_offset++;
2088 else if (ctx->display_idx < 0)
2089 ctx->hold = true;
2090 } else if (decoded_idx == -2) {
2091
2092 } else if (decoded_idx < 0 || decoded_idx >= ctx->num_internal_frames) {
2093 v4l2_err(&dev->v4l2_dev,
2094 "decoded frame index out of range: %d\n", decoded_idx);
2095 } else {
2096 val = coda_read(dev, CODA_RET_DEC_PIC_FRAME_NUM) - 1;
2097 val -= ctx->sequence_offset;
2098 spin_lock_irqsave(&ctx->buffer_meta_lock, flags);
2099 if (!list_empty(&ctx->buffer_meta_list)) {
2100 meta = list_first_entry(&ctx->buffer_meta_list,
2101 struct coda_buffer_meta, list);
2102 list_del(&meta->list);
2103 ctx->num_metas--;
2104 spin_unlock_irqrestore(&ctx->buffer_meta_lock, flags);
2105
2106
2107
2108
2109
2110
2111
2112 if ((val & 0xffff) != (meta->sequence & 0xffff)) {
2113 v4l2_err(&dev->v4l2_dev,
2114 "sequence number mismatch (%d(%d) != %d)\n",
2115 val, ctx->sequence_offset,
2116 meta->sequence);
2117 }
2118 ctx->frame_metas[decoded_idx] = *meta;
2119 kfree(meta);
2120 } else {
2121 spin_unlock_irqrestore(&ctx->buffer_meta_lock, flags);
2122 v4l2_err(&dev->v4l2_dev, "empty timestamp list!\n");
2123 memset(&ctx->frame_metas[decoded_idx], 0,
2124 sizeof(struct coda_buffer_meta));
2125 ctx->frame_metas[decoded_idx].sequence = val;
2126 ctx->sequence_offset++;
2127 }
2128
2129 trace_coda_dec_pic_done(ctx, &ctx->frame_metas[decoded_idx]);
2130
2131 val = coda_read(dev, CODA_RET_DEC_PIC_TYPE) & 0x7;
2132 if (val == 0)
2133 ctx->frame_types[decoded_idx] = V4L2_BUF_FLAG_KEYFRAME;
2134 else if (val == 1)
2135 ctx->frame_types[decoded_idx] = V4L2_BUF_FLAG_PFRAME;
2136 else
2137 ctx->frame_types[decoded_idx] = V4L2_BUF_FLAG_BFRAME;
2138
2139 ctx->frame_errors[decoded_idx] = err_mb;
2140 }
2141
2142 if (display_idx == -1) {
2143
2144
2145
2146
2147 ctx->hold = true;
2148 } else if (display_idx == -3) {
2149
2150 } else if (display_idx < 0 || display_idx >= ctx->num_internal_frames) {
2151 v4l2_err(&dev->v4l2_dev,
2152 "presentation frame index out of range: %d\n",
2153 display_idx);
2154 }
2155
2156
2157 if (ctx->display_idx >= 0 &&
2158 ctx->display_idx < ctx->num_internal_frames) {
2159 dst_buf = v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx);
2160 dst_buf->sequence = ctx->osequence++;
2161
2162 dst_buf->field = V4L2_FIELD_NONE;
2163 dst_buf->flags &= ~(V4L2_BUF_FLAG_KEYFRAME |
2164 V4L2_BUF_FLAG_PFRAME |
2165 V4L2_BUF_FLAG_BFRAME);
2166 dst_buf->flags |= ctx->frame_types[ctx->display_idx];
2167 meta = &ctx->frame_metas[ctx->display_idx];
2168 dst_buf->timecode = meta->timecode;
2169 dst_buf->vb2_buf.timestamp = meta->timestamp;
2170
2171 trace_coda_dec_rot_done(ctx, dst_buf, meta);
2172
2173 switch (q_data_dst->fourcc) {
2174 case V4L2_PIX_FMT_YUYV:
2175 payload = width * height * 2;
2176 break;
2177 case V4L2_PIX_FMT_YUV420:
2178 case V4L2_PIX_FMT_YVU420:
2179 case V4L2_PIX_FMT_NV12:
2180 default:
2181 payload = width * height * 3 / 2;
2182 break;
2183 case V4L2_PIX_FMT_YUV422P:
2184 payload = width * height * 2;
2185 break;
2186 }
2187 vb2_set_plane_payload(&dst_buf->vb2_buf, 0, payload);
2188
2189 if (ctx->frame_errors[ctx->display_idx] || err_vdoa)
2190 coda_m2m_buf_done(ctx, dst_buf, VB2_BUF_STATE_ERROR);
2191 else
2192 coda_m2m_buf_done(ctx, dst_buf, VB2_BUF_STATE_DONE);
2193
2194 v4l2_dbg(1, coda_debug, &dev->v4l2_dev,
2195 "job finished: decoding frame (%d) (%s)\n",
2196 dst_buf->sequence,
2197 (dst_buf->flags & V4L2_BUF_FLAG_KEYFRAME) ?
2198 "KEYFRAME" : "PFRAME");
2199 } else {
2200 v4l2_dbg(1, coda_debug, &dev->v4l2_dev,
2201 "job finished: no frame decoded\n");
2202 }
2203
2204
2205 ctx->display_idx = display_idx;
2206}
2207
2208static void coda_decode_timeout(struct coda_ctx *ctx)
2209{
2210 struct vb2_v4l2_buffer *dst_buf;
2211
2212
2213
2214
2215
2216
2217
2218 if (!(ctx->bit_stream_param & CODA_BIT_STREAM_END_FLAG))
2219 return;
2220
2221 dst_buf = v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx);
2222 dst_buf->sequence = ctx->qsequence - 1;
2223
2224 coda_m2m_buf_done(ctx, dst_buf, VB2_BUF_STATE_ERROR);
2225}
2226
2227const struct coda_context_ops coda_bit_decode_ops = {
2228 .queue_init = coda_decoder_queue_init,
2229 .reqbufs = coda_decoder_reqbufs,
2230 .start_streaming = coda_start_decoding,
2231 .prepare_run = coda_prepare_decode,
2232 .finish_run = coda_finish_decode,
2233 .run_timeout = coda_decode_timeout,
2234 .seq_end_work = coda_seq_end_work,
2235 .release = coda_bit_release,
2236};
2237
2238irqreturn_t coda_irq_handler(int irq, void *data)
2239{
2240 struct coda_dev *dev = data;
2241 struct coda_ctx *ctx;
2242
2243
2244 coda_read(dev, CODA_REG_BIT_INT_STATUS);
2245 coda_write(dev, CODA_REG_BIT_INT_CLEAR_SET,
2246 CODA_REG_BIT_INT_CLEAR);
2247
2248 ctx = v4l2_m2m_get_curr_priv(dev->m2m_dev);
2249 if (ctx == NULL) {
2250 v4l2_err(&dev->v4l2_dev,
2251 "Instance released before the end of transaction\n");
2252 mutex_unlock(&dev->coda_mutex);
2253 return IRQ_HANDLED;
2254 }
2255
2256 trace_coda_bit_done(ctx);
2257
2258 if (ctx->aborting) {
2259 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
2260 "task has been aborted\n");
2261 }
2262
2263 if (coda_isbusy(ctx->dev)) {
2264 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
2265 "coda is still busy!!!!\n");
2266 return IRQ_NONE;
2267 }
2268
2269 complete(&ctx->completion);
2270
2271 return IRQ_HANDLED;
2272}
2273
