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[media] coda: allocate bitstream ringbuffer only for BIT decoder
[deliverable/linux.git] / drivers / media / platform / coda / coda-common.c
CommitLineData
186b250a
JM		 1/*
2 * Coda multi-standard codec IP
3 *
4 * Copyright (C) 2012 Vista Silicon S.L.
5 * Javier Martin, <javier.martin@vista-silicon.com>
6 * Xavier Duret
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 */
13
14#include <linux/clk.h>
f61c0b14 15#include <linux/debugfs.h>
186b250a
JM		 16#include <linux/delay.h>
17#include <linux/firmware.h>
657eee7d 18#include <linux/genalloc.h>
186b250a
JM		 19#include <linux/interrupt.h>
20#include <linux/io.h>
21#include <linux/irq.h>
9082a7c6 22#include <linux/kfifo.h>
186b250a
JM		 23#include <linux/module.h>
24#include <linux/of_device.h>
25#include <linux/platform_device.h>
1e172731 26#include <linux/pm_runtime.h>
186b250a
JM		 27#include <linux/slab.h>
28#include <linux/videodev2.h>
29#include <linux/of.h>
657eee7d 30#include <linux/platform_data/coda.h>
8f45284c 31#include <linux/reset.h>
186b250a
JM		 32
33#include <media/v4l2-ctrls.h>
34#include <media/v4l2-device.h>
918c66fd 35#include <media/v4l2-event.h>
186b250a
JM		 36#include <media/v4l2-ioctl.h>
37#include <media/v4l2-mem2mem.h>
38#include <media/videobuf2-core.h>
39#include <media/videobuf2-dma-contig.h>
bb04aa6f 40#include <media/videobuf2-vmalloc.h>
186b250a 41
a2b3e46a 42#include "coda.h"
186b250a
JM		 43
44#define CODA_NAME "coda"
45
0cddc7e9 46#define CODADX6_MAX_INSTANCES 4
2c11d1bd 47#define CODA_MAX_FORMATS 4
186b250a 48
186b250a
JM		 49#define CODA_PARA_BUF_SIZE (10 * 1024)
50#define CODA_ISRAM_SIZE (2048 * 2)
51
186b250a
JM		 52#define MIN_W 176
53#define MIN_H 144
186b250a
JM		 54
55#define S_ALIGN 1 /* multiple of 2 */
56#define W_ALIGN 1 /* multiple of 2 */
57#define H_ALIGN 1 /* multiple of 2 */
58
59#define fh_to_ctx(__fh) container_of(__fh, struct coda_ctx, fh)
60
79924ca9 61int coda_debug;
c4eb1bfc 62module_param(coda_debug, int, 0644);
d60b18ba 63MODULE_PARM_DESC(coda_debug, "Debug level (0-2)");
186b250a 64
186b250a
JM		 65struct coda_fmt {
66 char *name;
67 u32 fourcc;
b96904e5
PZ		 68};
69
a2b3e46a 70void coda_write(struct coda_dev *dev, u32 data, u32 reg)
186b250a 71{
d60b18ba 72 v4l2_dbg(2, coda_debug, &dev->v4l2_dev,
186b250a
JM		 73 "%s: data=0x%x, reg=0x%x\n", __func__, data, reg);
74 writel(data, dev->regs_base + reg);
75}
76
a2b3e46a 77unsigned int coda_read(struct coda_dev *dev, u32 reg)
186b250a
JM		 78{
79 u32 data;
f23797b6 80
186b250a 81 data = readl(dev->regs_base + reg);
d60b18ba 82 v4l2_dbg(2, coda_debug, &dev->v4l2_dev,
186b250a
JM		 83 "%s: data=0x%x, reg=0x%x\n", __func__, data, reg);
84 return data;
85}
86
856d7d93
PZ		 87void coda_write_base(struct coda_ctx *ctx, struct coda_q_data *q_data,
88 struct vb2_buffer *buf, unsigned int reg_y)
89{
90 u32 base_y = vb2_dma_contig_plane_dma_addr(buf, 0);
91 u32 base_cb, base_cr;
92
93 switch (q_data->fourcc) {
94 case V4L2_PIX_FMT_YVU420:
95 /* Switch Cb and Cr for YVU420 format */
96 base_cr = base_y + q_data->bytesperline * q_data->height;
97 base_cb = base_cr + q_data->bytesperline * q_data->height / 4;
98 break;
99 case V4L2_PIX_FMT_YUV420:
1cb12cf3 100 case V4L2_PIX_FMT_NV12:
856d7d93
PZ		 101 default:
102 base_cb = base_y + q_data->bytesperline * q_data->height;
103 base_cr = base_cb + q_data->bytesperline * q_data->height / 4;
104 break;
4de69319
PZ		 105 case V4L2_PIX_FMT_YUV422P:
106 base_cb = base_y + q_data->bytesperline * q_data->height;
107 base_cr = base_cb + q_data->bytesperline * q_data->height / 2;
856d7d93
PZ		 108 }
109
110 coda_write(ctx->dev, base_y, reg_y);
111 coda_write(ctx->dev, base_cb, reg_y + 4);
112 coda_write(ctx->dev, base_cr, reg_y + 8);
113}
114
186b250a 115/*
b96904e5 116 * Array of all formats supported by any version of Coda:
186b250a 117 */
814c3762 118static const struct coda_fmt coda_formats[] = {
186b250a 119 {
b96904e5 120 .name = "YUV 4:2:0 Planar, YCbCr",
186b250a 121 .fourcc = V4L2_PIX_FMT_YUV420,
186b250a 122 },
df1e74cc 123 {
b96904e5
PZ		 124 .name = "YUV 4:2:0 Planar, YCrCb",
125 .fourcc = V4L2_PIX_FMT_YVU420,
df1e74cc 126 },
1cb12cf3
PZ		 127 {
128 .name = "YUV 4:2:0 Partial interleaved Y/CbCr",
129 .fourcc = V4L2_PIX_FMT_NV12,
130 },
4de69319
PZ		 131 {
132 .name = "YUV 4:2:2 Planar, YCbCr",
133 .fourcc = V4L2_PIX_FMT_YUV422P,
134 },
df1e74cc
PZ		 135 {
136 .name = "H264 Encoded Stream",
137 .fourcc = V4L2_PIX_FMT_H264,
df1e74cc
PZ		 138 },
139 {
140 .name = "MPEG4 Encoded Stream",
141 .fourcc = V4L2_PIX_FMT_MPEG4,
df1e74cc 142 },
cb1d3a33
PZ		 143 {
144 .name = "JPEG Encoded Images",
145 .fourcc = V4L2_PIX_FMT_JPEG,
146 },
df1e74cc
PZ		 147};
148
b96904e5
PZ		 149#define CODA_CODEC(mode, src_fourcc, dst_fourcc, max_w, max_h) \
150 { mode, src_fourcc, dst_fourcc, max_w, max_h }
151
152/*
153 * Arrays of codecs supported by each given version of Coda:
154 * i.MX27 -> codadx6
155 * i.MX5x -> coda7
156 * i.MX6 -> coda960
157 * Use V4L2_PIX_FMT_YUV420 as placeholder for all supported YUV 4:2:0 variants
158 */
814c3762 159static const struct coda_codec codadx6_codecs[] = {
b96904e5
PZ		 160 CODA_CODEC(CODADX6_MODE_ENCODE_H264, V4L2_PIX_FMT_YUV420, V4L2_PIX_FMT_H264, 720, 576),
161 CODA_CODEC(CODADX6_MODE_ENCODE_MP4, V4L2_PIX_FMT_YUV420, V4L2_PIX_FMT_MPEG4, 720, 576),
162};
163
814c3762 164static const struct coda_codec coda7_codecs[] = {
b96904e5
PZ		 165 CODA_CODEC(CODA7_MODE_ENCODE_H264, V4L2_PIX_FMT_YUV420, V4L2_PIX_FMT_H264, 1280, 720),
166 CODA_CODEC(CODA7_MODE_ENCODE_MP4, V4L2_PIX_FMT_YUV420, V4L2_PIX_FMT_MPEG4, 1280, 720),
cb1d3a33 167 CODA_CODEC(CODA7_MODE_ENCODE_MJPG, V4L2_PIX_FMT_YUV420, V4L2_PIX_FMT_JPEG, 8192, 8192),
b0ed05b9
PZ		 168 CODA_CODEC(CODA7_MODE_DECODE_H264, V4L2_PIX_FMT_H264, V4L2_PIX_FMT_YUV420, 1920, 1088),
169 CODA_CODEC(CODA7_MODE_DECODE_MP4, V4L2_PIX_FMT_MPEG4, V4L2_PIX_FMT_YUV420, 1920, 1088),
cb1d3a33 170 CODA_CODEC(CODA7_MODE_DECODE_MJPG, V4L2_PIX_FMT_JPEG, V4L2_PIX_FMT_YUV420, 8192, 8192),
b96904e5
PZ		 171};
172
814c3762 173static const struct coda_codec coda9_codecs[] = {
b0ed05b9
PZ		 174 CODA_CODEC(CODA9_MODE_ENCODE_H264, V4L2_PIX_FMT_YUV420, V4L2_PIX_FMT_H264, 1920, 1088),
175 CODA_CODEC(CODA9_MODE_ENCODE_MP4, V4L2_PIX_FMT_YUV420, V4L2_PIX_FMT_MPEG4, 1920, 1088),
176 CODA_CODEC(CODA9_MODE_DECODE_H264, V4L2_PIX_FMT_H264, V4L2_PIX_FMT_YUV420, 1920, 1088),
177 CODA_CODEC(CODA9_MODE_DECODE_MP4, V4L2_PIX_FMT_MPEG4, V4L2_PIX_FMT_YUV420, 1920, 1088),
89548441
PZ		 178};
179
2c11d1bd
PZ		 180struct coda_video_device {
181 const char *name;
182 enum coda_inst_type type;
183 const struct coda_context_ops *ops;
a22496c6 184 bool direct;
2c11d1bd
PZ		 185 u32 src_formats[CODA_MAX_FORMATS];
186 u32 dst_formats[CODA_MAX_FORMATS];
187};
188
189static const struct coda_video_device coda_bit_encoder = {
190 .name = "coda-encoder",
191 .type = CODA_INST_ENCODER,
192 .ops = &coda_bit_encode_ops,
193 .src_formats = {
194 V4L2_PIX_FMT_YUV420,
195 V4L2_PIX_FMT_YVU420,
196 V4L2_PIX_FMT_NV12,
197 },
198 .dst_formats = {
199 V4L2_PIX_FMT_H264,
200 V4L2_PIX_FMT_MPEG4,
201 },
202};
203
cb1d3a33
PZ		 204static const struct coda_video_device coda_bit_jpeg_encoder = {
205 .name = "coda-jpeg-encoder",
206 .type = CODA_INST_ENCODER,
207 .ops = &coda_bit_encode_ops,
208 .src_formats = {
209 V4L2_PIX_FMT_YUV420,
210 V4L2_PIX_FMT_YVU420,
211 V4L2_PIX_FMT_NV12,
212 V4L2_PIX_FMT_YUV422P,
213 },
214 .dst_formats = {
215 V4L2_PIX_FMT_JPEG,
216 },
217};
218
2c11d1bd
PZ		 219static const struct coda_video_device coda_bit_decoder = {
220 .name = "coda-decoder",
221 .type = CODA_INST_DECODER,
222 .ops = &coda_bit_decode_ops,
223 .src_formats = {
224 V4L2_PIX_FMT_H264,
225 V4L2_PIX_FMT_MPEG4,
226 },
227 .dst_formats = {
228 V4L2_PIX_FMT_YUV420,
229 V4L2_PIX_FMT_YVU420,
230 V4L2_PIX_FMT_NV12,
231 },
232};
233
cb1d3a33
PZ		 234static const struct coda_video_device coda_bit_jpeg_decoder = {
235 .name = "coda-jpeg-decoder",
236 .type = CODA_INST_DECODER,
237 .ops = &coda_bit_decode_ops,
238 .src_formats = {
239 V4L2_PIX_FMT_JPEG,
240 },
241 .dst_formats = {
242 V4L2_PIX_FMT_YUV420,
243 V4L2_PIX_FMT_YVU420,
244 V4L2_PIX_FMT_NV12,
245 V4L2_PIX_FMT_YUV422P,
246 },
247};
248
2c11d1bd
PZ		 249static const struct coda_video_device *codadx6_video_devices[] = {
250 &coda_bit_encoder,
251};
252
253static const struct coda_video_device *coda7_video_devices[] = {
cb1d3a33
PZ		 254 &coda_bit_jpeg_encoder,
255 &coda_bit_jpeg_decoder,
2c11d1bd
PZ		 256 &coda_bit_encoder,
257 &coda_bit_decoder,
258};
259
260static const struct coda_video_device *coda9_video_devices[] = {
261 &coda_bit_encoder,
262 &coda_bit_decoder,
263};
264
b96904e5
PZ		 265static bool coda_format_is_yuv(u32 fourcc)
266{
267 switch (fourcc) {
268 case V4L2_PIX_FMT_YUV420:
269 case V4L2_PIX_FMT_YVU420:
1cb12cf3 270 case V4L2_PIX_FMT_NV12:
4de69319 271 case V4L2_PIX_FMT_YUV422P:
b96904e5
PZ		 272 return true;
273 default:
274 return false;
275 }
276}
277
2c11d1bd
PZ		 278static const char *coda_format_name(u32 fourcc)
279{
280 int i;
281
282 for (i = 0; i < ARRAY_SIZE(coda_formats); i++) {
283 if (coda_formats[i].fourcc == fourcc)
284 return coda_formats[i].name;
285 }
286
287 return NULL;
288}
289
b96904e5
PZ		 290/*
291 * Normalize all supported YUV 4:2:0 formats to the value used in the codec
292 * tables.
293 */
294static u32 coda_format_normalize_yuv(u32 fourcc)
295{
296 return coda_format_is_yuv(fourcc) ? V4L2_PIX_FMT_YUV420 : fourcc;
297}
298
814c3762
PZ		 299static const struct coda_codec *coda_find_codec(struct coda_dev *dev,
300 int src_fourcc, int dst_fourcc)
186b250a 301{
814c3762 302 const struct coda_codec *codecs = dev->devtype->codecs;
b96904e5
PZ		 303 int num_codecs = dev->devtype->num_codecs;
304 int k;
305
306 src_fourcc = coda_format_normalize_yuv(src_fourcc);
307 dst_fourcc = coda_format_normalize_yuv(dst_fourcc);
308 if (src_fourcc == dst_fourcc)
309 return NULL;
186b250a 310
b96904e5
PZ		 311 for (k = 0; k < num_codecs; k++) {
312 if (codecs[k].src_fourcc == src_fourcc &&
313 codecs[k].dst_fourcc == dst_fourcc)
186b250a
JM		 314 break;
315 }
316
b96904e5 317 if (k == num_codecs)
186b250a
JM		 318 return NULL;
319
b96904e5 320 return &codecs[k];
186b250a
JM		 321}
322
57625593 323static void coda_get_max_dimensions(struct coda_dev *dev,
814c3762 324 const struct coda_codec *codec,
57625593
PZ		 325 int *max_w, int *max_h)
326{
814c3762 327 const struct coda_codec *codecs = dev->devtype->codecs;
57625593
PZ		 328 int num_codecs = dev->devtype->num_codecs;
329 unsigned int w, h;
330 int k;
331
332 if (codec) {
333 w = codec->max_w;
334 h = codec->max_h;
335 } else {
336 for (k = 0, w = 0, h = 0; k < num_codecs; k++) {
337 w = max(w, codecs[k].max_w);
338 h = max(h, codecs[k].max_h);
339 }
340 }
341
342 if (max_w)
343 *max_w = w;
344 if (max_h)
345 *max_h = h;
346}
347
2c11d1bd
PZ		 348const struct coda_video_device *to_coda_video_device(struct video_device *vdev)
349{
350 struct coda_dev *dev = video_get_drvdata(vdev);
351 unsigned int i = vdev - dev->vfd;
352
353 if (i >= dev->devtype->num_vdevs)
354 return NULL;
355
356 return dev->devtype->vdevs[i];
357}
358
79924ca9 359const char *coda_product_name(int product)
927933f7
PZ		 360{
361 static char buf[9];
362
363 switch (product) {
364 case CODA_DX6:
365 return "CodaDx6";
366 case CODA_7541:
367 return "CODA7541";
89548441
PZ		 368 case CODA_960:
369 return "CODA960";
927933f7
PZ		 370 default:
371 snprintf(buf, sizeof(buf), "(0x%04x)", product);
372 return buf;
373 }
374}
375
186b250a
JM		 376/*
377 * V4L2 ioctl() operations.
378 */
2e9e4f11
PZ		 379static int coda_querycap(struct file *file, void *priv,
380 struct v4l2_capability *cap)
186b250a 381{
927933f7
PZ		 382 struct coda_ctx *ctx = fh_to_ctx(priv);
383
186b250a 384 strlcpy(cap->driver, CODA_NAME, sizeof(cap->driver));
927933f7
PZ		 385 strlcpy(cap->card, coda_product_name(ctx->dev->devtype->product),
386 sizeof(cap->card));
dad0e1ce 387 strlcpy(cap->bus_info, "platform:" CODA_NAME, sizeof(cap->bus_info));
3898e7a7 388 cap->device_caps = V4L2_CAP_VIDEO_M2M | V4L2_CAP_STREAMING;
186b250a
JM		 389 cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS;
390
391 return 0;
392}
393
22e244b8
PZ		 394static int coda_enum_fmt(struct file *file, void *priv,
395 struct v4l2_fmtdesc *f)
186b250a 396{
2c11d1bd
PZ		 397 struct video_device *vdev = video_devdata(file);
398 const struct coda_video_device *cvd = to_coda_video_device(vdev);
399 const u32 *formats;
400 const char *name;
401
402 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT)
403 formats = cvd->src_formats;
404 else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE)
405 formats = cvd->dst_formats;
22e244b8 406 else
2c11d1bd 407 return -EINVAL;
186b250a 408
2c11d1bd
PZ		 409 if (f->index >= CODA_MAX_FORMATS || formats[f->index] == 0)
410 return -EINVAL;
411
412 name = coda_format_name(formats[f->index]);
413 strlcpy(f->description, name, sizeof(f->description));
414 f->pixelformat = formats[f->index];
415 if (!coda_format_is_yuv(formats[f->index]))
416 f->flags |= V4L2_FMT_FLAG_COMPRESSED;
186b250a 417
2c11d1bd 418 return 0;
186b250a
JM		 419}
420
2e9e4f11
PZ		 421static int coda_g_fmt(struct file *file, void *priv,
422 struct v4l2_format *f)
186b250a 423{
186b250a
JM		 424 struct coda_q_data *q_data;
425 struct coda_ctx *ctx = fh_to_ctx(priv);
426
186b250a 427 q_data = get_q_data(ctx, f->type);
b9736299
PZ		 428 if (!q_data)
429 return -EINVAL;
186b250a
JM		 430
431 f->fmt.pix.field = V4L2_FIELD_NONE;
b96904e5 432 f->fmt.pix.pixelformat = q_data->fourcc;
186b250a
JM		 433 f->fmt.pix.width = q_data->width;
434 f->fmt.pix.height = q_data->height;
2fd6a370 435 f->fmt.pix.bytesperline = q_data->bytesperline;
186b250a
JM		 436
437 f->fmt.pix.sizeimage = q_data->sizeimage;
cb1d3a33
PZ		 438 if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_JPEG)
439 f->fmt.pix.colorspace = V4L2_COLORSPACE_JPEG;
440 else
441 f->fmt.pix.colorspace = ctx->colorspace;
186b250a
JM		 442
443 return 0;
444}
445
2c11d1bd
PZ		 446static int coda_try_pixelformat(struct coda_ctx *ctx, struct v4l2_format *f)
447{
448 struct coda_q_data *q_data;
449 const u32 *formats;
450 int i;
451
452 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT)
453 formats = ctx->cvd->src_formats;
454 else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE)
455 formats = ctx->cvd->dst_formats;
456 else
457 return -EINVAL;
458
459 for (i = 0; i < CODA_MAX_FORMATS; i++) {
460 if (formats[i] == f->fmt.pix.pixelformat) {
461 f->fmt.pix.pixelformat = formats[i];
462 return 0;
463 }
464 }
465
466 /* Fall back to currently set pixelformat */
467 q_data = get_q_data(ctx, f->type);
468 f->fmt.pix.pixelformat = q_data->fourcc;
186b250a
JM		 469
470 return 0;
471}
472
8e428d50
PZ		 473static unsigned int coda_estimate_sizeimage(struct coda_ctx *ctx, u32 sizeimage,
474 u32 width, u32 height)
475{
476 /*
477 * This is a rough estimate for sensible compressed buffer
478 * sizes (between 1 and 16 bits per pixel). This could be
479 * improved by better format specific worst case estimates.
480 */
481 return round_up(clamp(sizeimage, width * height / 8,
482 width * height * 2), PAGE_SIZE);
483}
484
814c3762 485static int coda_try_fmt(struct coda_ctx *ctx, const struct coda_codec *codec,
57625593 486 struct v4l2_format *f)
186b250a 487{
57625593 488 struct coda_dev *dev = ctx->dev;
b96904e5 489 unsigned int max_w, max_h;
186b250a
JM		 490 enum v4l2_field field;
491
492 field = f->fmt.pix.field;
493 if (field == V4L2_FIELD_ANY)
494 field = V4L2_FIELD_NONE;
495 else if (V4L2_FIELD_NONE != field)
496 return -EINVAL;
497
498 /* V4L2 specification suggests the driver corrects the format struct
499 * if any of the dimensions is unsupported */
500 f->fmt.pix.field = field;
501
57625593
PZ		 502 coda_get_max_dimensions(dev, codec, &max_w, &max_h);
503 v4l_bound_align_image(&f->fmt.pix.width, MIN_W, max_w, W_ALIGN,
504 &f->fmt.pix.height, MIN_H, max_h, H_ALIGN,
505 S_ALIGN);
506
507 switch (f->fmt.pix.pixelformat) {
508 case V4L2_PIX_FMT_YUV420:
509 case V4L2_PIX_FMT_YVU420:
1cb12cf3 510 case V4L2_PIX_FMT_NV12:
cb1d3a33
PZ		 511 /*
512 * Frame stride must be at least multiple of 8,
513 * but multiple of 16 for h.264 or JPEG 4:2:x
514 */
451dfe5d 515 f->fmt.pix.bytesperline = round_up(f->fmt.pix.width, 16);
47cf0c61 516 f->fmt.pix.sizeimage = f->fmt.pix.bytesperline *
451d43ad 517 f->fmt.pix.height * 3 / 2;
57625593 518 break;
4de69319
PZ		 519 case V4L2_PIX_FMT_YUV422P:
520 f->fmt.pix.bytesperline = round_up(f->fmt.pix.width, 16);
521 f->fmt.pix.sizeimage = f->fmt.pix.bytesperline *
522 f->fmt.pix.height * 2;
523 break;
cb1d3a33
PZ		 524 case V4L2_PIX_FMT_JPEG:
525 f->fmt.pix.colorspace = V4L2_COLORSPACE_JPEG;
526 /* fallthrough */
57625593
PZ		 527 case V4L2_PIX_FMT_H264:
528 case V4L2_PIX_FMT_MPEG4:
186b250a 529 f->fmt.pix.bytesperline = 0;
8e428d50
PZ		 530 f->fmt.pix.sizeimage = coda_estimate_sizeimage(ctx,
531 f->fmt.pix.sizeimage,
532 f->fmt.pix.width,
533 f->fmt.pix.height);
57625593
PZ		 534 break;
535 default:
536 BUG();
186b250a
JM		 537 }
538
539 return 0;
540}
541
2e9e4f11
PZ		 542static int coda_try_fmt_vid_cap(struct file *file, void *priv,
543 struct v4l2_format *f)
186b250a 544{
186b250a 545 struct coda_ctx *ctx = fh_to_ctx(priv);
2c11d1bd
PZ		 546 const struct coda_q_data *q_data_src;
547 const struct coda_codec *codec;
918c66fd
PZ		 548 struct vb2_queue *src_vq;
549 int ret;
550
2c11d1bd
PZ		 551 ret = coda_try_pixelformat(ctx, f);
552 if (ret < 0)
553 return ret;
554
555 q_data_src = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
556
918c66fd 557 /*
2c11d1bd
PZ		 558 * If the source format is already fixed, only allow the same output
559 * resolution
918c66fd 560 */
14604e3a 561 src_vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
918c66fd 562 if (vb2_is_streaming(src_vq)) {
91b5841e
PZ		 563 f->fmt.pix.width = q_data_src->width;
564 f->fmt.pix.height = q_data_src->height;
918c66fd 565 }
186b250a
JM		 566
567 f->fmt.pix.colorspace = ctx->colorspace;
568
2c11d1bd
PZ		 569 q_data_src = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
570 codec = coda_find_codec(ctx->dev, q_data_src->fourcc,
571 f->fmt.pix.pixelformat);
572 if (!codec)
573 return -EINVAL;
574
57625593 575 ret = coda_try_fmt(ctx, codec, f);
918c66fd
PZ		 576 if (ret < 0)
577 return ret;
578
579 /* The h.264 decoder only returns complete 16x16 macroblocks */
580 if (codec && codec->src_fourcc == V4L2_PIX_FMT_H264) {
1b0ed7be 581 f->fmt.pix.width = f->fmt.pix.width;
918c66fd 582 f->fmt.pix.height = round_up(f->fmt.pix.height, 16);
1b0ed7be 583 f->fmt.pix.bytesperline = round_up(f->fmt.pix.width, 16);
918c66fd
PZ		 584 f->fmt.pix.sizeimage = f->fmt.pix.bytesperline *
585 f->fmt.pix.height * 3 / 2;
586 }
587
588 return 0;
186b250a
JM		 589}
590
2e9e4f11
PZ		 591static int coda_try_fmt_vid_out(struct file *file, void *priv,
592 struct v4l2_format *f)
186b250a
JM		 593{
594 struct coda_ctx *ctx = fh_to_ctx(priv);
2c11d1bd
PZ		 595 struct coda_dev *dev = ctx->dev;
596 const struct coda_q_data *q_data_dst;
597 const struct coda_codec *codec;
598 int ret;
186b250a 599
2c11d1bd
PZ		 600 ret = coda_try_pixelformat(ctx, f);
601 if (ret < 0)
602 return ret;
186b250a 603
5f9826e8
PZ		 604 switch (f->fmt.pix.colorspace) {
605 case V4L2_COLORSPACE_REC709:
606 case V4L2_COLORSPACE_JPEG:
607 break;
608 default:
cb1d3a33
PZ		 609 if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_JPEG)
610 f->fmt.pix.colorspace = V4L2_COLORSPACE_JPEG;
611 else
612 f->fmt.pix.colorspace = V4L2_COLORSPACE_REC709;
4f31ff01 613 }
186b250a 614
2c11d1bd
PZ		 615 q_data_dst = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
616 codec = coda_find_codec(dev, f->fmt.pix.pixelformat, q_data_dst->fourcc);
186b250a 617
57625593 618 return coda_try_fmt(ctx, codec, f);
186b250a
JM		 619}
620
2e9e4f11 621static int coda_s_fmt(struct coda_ctx *ctx, struct v4l2_format *f)
186b250a
JM		 622{
623 struct coda_q_data *q_data;
624 struct vb2_queue *vq;
186b250a 625
14604e3a 626 vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, f->type);
186b250a
JM		 627 if (!vq)
628 return -EINVAL;
629
630 q_data = get_q_data(ctx, f->type);
631 if (!q_data)
632 return -EINVAL;
633
634 if (vb2_is_busy(vq)) {
635 v4l2_err(&ctx->dev->v4l2_dev, "%s queue busy\n", __func__);
636 return -EBUSY;
637 }
638
b96904e5 639 q_data->fourcc = f->fmt.pix.pixelformat;
186b250a
JM		 640 q_data->width = f->fmt.pix.width;
641 q_data->height = f->fmt.pix.height;
2fd6a370 642 q_data->bytesperline = f->fmt.pix.bytesperline;
451d43ad 643 q_data->sizeimage = f->fmt.pix.sizeimage;
52c41676
PZ		 644 q_data->rect.left = 0;
645 q_data->rect.top = 0;
646 q_data->rect.width = f->fmt.pix.width;
647 q_data->rect.height = f->fmt.pix.height;
186b250a
JM		 648
649 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
650 "Setting format for type %d, wxh: %dx%d, fmt: %d\n",
b96904e5 651 f->type, q_data->width, q_data->height, q_data->fourcc);
186b250a
JM		 652
653 return 0;
654}
655
2e9e4f11
PZ		 656static int coda_s_fmt_vid_cap(struct file *file, void *priv,
657 struct v4l2_format *f)
186b250a 658{
b96904e5 659 struct coda_ctx *ctx = fh_to_ctx(priv);
186b250a
JM		 660 int ret;
661
2e9e4f11 662 ret = coda_try_fmt_vid_cap(file, priv, f);
186b250a
JM		 663 if (ret)
664 return ret;
665
2e9e4f11 666 return coda_s_fmt(ctx, f);
186b250a
JM		 667}
668
2e9e4f11
PZ		 669static int coda_s_fmt_vid_out(struct file *file, void *priv,
670 struct v4l2_format *f)
186b250a
JM		 671{
672 struct coda_ctx *ctx = fh_to_ctx(priv);
f95a6ce1 673 struct v4l2_format f_cap;
186b250a
JM		 674 int ret;
675
2e9e4f11 676 ret = coda_try_fmt_vid_out(file, priv, f);
186b250a
JM		 677 if (ret)
678 return ret;
679
2e9e4f11 680 ret = coda_s_fmt(ctx, f);
186b250a 681 if (ret)
2dc546d0
PZ		 682 return ret;
683
684 ctx->colorspace = f->fmt.pix.colorspace;
186b250a 685
1c2f6a99 686 memset(&f_cap, 0, sizeof(f_cap));
f95a6ce1
PZ		 687 f_cap.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
688 coda_g_fmt(file, priv, &f_cap);
689 f_cap.fmt.pix.width = f->fmt.pix.width;
690 f_cap.fmt.pix.height = f->fmt.pix.height;
691
692 ret = coda_try_fmt_vid_cap(file, priv, &f_cap);
693 if (ret)
694 return ret;
695
696 return coda_s_fmt(ctx, &f_cap);
186b250a
JM		 697}
698
2e9e4f11
PZ		 699static int coda_qbuf(struct file *file, void *priv,
700 struct v4l2_buffer *buf)
186b250a
JM		 701{
702 struct coda_ctx *ctx = fh_to_ctx(priv);
703
14604e3a 704 return v4l2_m2m_qbuf(file, ctx->fh.m2m_ctx, buf);
186b250a
JM		 705}
706
918c66fd
PZ		 707static bool coda_buf_is_end_of_stream(struct coda_ctx *ctx,
708 struct v4l2_buffer *buf)
709{
710 struct vb2_queue *src_vq;
711
14604e3a 712 src_vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
918c66fd
PZ		 713
714 return ((ctx->bit_stream_param & CODA_BIT_STREAM_END_FLAG) &&
715 (buf->sequence == (ctx->qsequence - 1)));
716}
717
2e9e4f11
PZ		 718static int coda_dqbuf(struct file *file, void *priv,
719 struct v4l2_buffer *buf)
186b250a
JM		 720{
721 struct coda_ctx *ctx = fh_to_ctx(priv);
918c66fd
PZ		 722 int ret;
723
14604e3a 724 ret = v4l2_m2m_dqbuf(file, ctx->fh.m2m_ctx, buf);
186b250a 725
918c66fd
PZ		 726 /* If this is the last capture buffer, emit an end-of-stream event */
727 if (buf->type == V4L2_BUF_TYPE_VIDEO_CAPTURE &&
728 coda_buf_is_end_of_stream(ctx, buf)) {
729 const struct v4l2_event eos_event = {
730 .type = V4L2_EVENT_EOS
731 };
732
733 v4l2_event_queue_fh(&ctx->fh, &eos_event);
734 }
735
736 return ret;
186b250a
JM		 737}
738
52c41676
PZ		 739static int coda_g_selection(struct file *file, void *fh,
740 struct v4l2_selection *s)
741{
742 struct coda_ctx *ctx = fh_to_ctx(fh);
743 struct coda_q_data *q_data;
744 struct v4l2_rect r, *rsel;
745
746 q_data = get_q_data(ctx, s->type);
747 if (!q_data)
748 return -EINVAL;
749
750 r.left = 0;
751 r.top = 0;
752 r.width = q_data->width;
753 r.height = q_data->height;
754 rsel = &q_data->rect;
755
756 switch (s->target) {
757 case V4L2_SEL_TGT_CROP_DEFAULT:
758 case V4L2_SEL_TGT_CROP_BOUNDS:
759 rsel = &r;
760 /* fallthrough */
761 case V4L2_SEL_TGT_CROP:
762 if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
763 return -EINVAL;
764 break;
765 case V4L2_SEL_TGT_COMPOSE_BOUNDS:
766 case V4L2_SEL_TGT_COMPOSE_PADDED:
767 rsel = &r;
768 /* fallthrough */
769 case V4L2_SEL_TGT_COMPOSE:
770 case V4L2_SEL_TGT_COMPOSE_DEFAULT:
771 if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
772 return -EINVAL;
773 break;
774 default:
775 return -EINVAL;
776 }
777
778 s->r = *rsel;
779
780 return 0;
781}
782
64ba40ac
PZ		 783static int coda_try_decoder_cmd(struct file *file, void *fh,
784 struct v4l2_decoder_cmd *dc)
918c66fd 785{
918c66fd
PZ		 786 if (dc->cmd != V4L2_DEC_CMD_STOP)
787 return -EINVAL;
788
64ba40ac 789 if (dc->flags & V4L2_DEC_CMD_STOP_TO_BLACK)
918c66fd
PZ		 790 return -EINVAL;
791
64ba40ac 792 if (!(dc->flags & V4L2_DEC_CMD_STOP_IMMEDIATELY) && (dc->stop.pts != 0))
918c66fd
PZ		 793 return -EINVAL;
794
64ba40ac
PZ		 795 return 0;
796}
797
798static int coda_decoder_cmd(struct file *file, void *fh,
799 struct v4l2_decoder_cmd *dc)
800{
801 struct coda_ctx *ctx = fh_to_ctx(fh);
802 int ret;
803
804 ret = coda_try_decoder_cmd(file, fh, dc);
805 if (ret < 0)
806 return ret;
807
808 /* Ignore decoder stop command silently in encoder context */
918c66fd 809 if (ctx->inst_type != CODA_INST_DECODER)
64ba40ac 810 return 0;
918c66fd 811
347bb7f0
PZ		 812 /* Set the stream-end flag on this context */
813 coda_bit_stream_end_flag(ctx);
84e2365d 814 ctx->hold = false;
f3497dad 815 v4l2_m2m_try_schedule(ctx->fh.m2m_ctx);
89548441 816
918c66fd
PZ		 817 return 0;
818}
819
2e9e4f11
PZ		 820static int coda_subscribe_event(struct v4l2_fh *fh,
821 const struct v4l2_event_subscription *sub)
918c66fd
PZ		 822{
823 switch (sub->type) {
824 case V4L2_EVENT_EOS:
825 return v4l2_event_subscribe(fh, sub, 0, NULL);
826 default:
827 return v4l2_ctrl_subscribe_event(fh, sub);
828 }
186b250a
JM		 829}
830
831static const struct v4l2_ioctl_ops coda_ioctl_ops = {
2e9e4f11 832 .vidioc_querycap = coda_querycap,
186b250a 833
22e244b8 834 .vidioc_enum_fmt_vid_cap = coda_enum_fmt,
2e9e4f11
PZ		 835 .vidioc_g_fmt_vid_cap = coda_g_fmt,
836 .vidioc_try_fmt_vid_cap = coda_try_fmt_vid_cap,
837 .vidioc_s_fmt_vid_cap = coda_s_fmt_vid_cap,
186b250a 838
22e244b8 839 .vidioc_enum_fmt_vid_out = coda_enum_fmt,
2e9e4f11
PZ		 840 .vidioc_g_fmt_vid_out = coda_g_fmt,
841 .vidioc_try_fmt_vid_out = coda_try_fmt_vid_out,
842 .vidioc_s_fmt_vid_out = coda_s_fmt_vid_out,
186b250a 843
152ea1c8
PZ		 844 .vidioc_reqbufs = v4l2_m2m_ioctl_reqbufs,
845 .vidioc_querybuf = v4l2_m2m_ioctl_querybuf,
186b250a 846
2e9e4f11 847 .vidioc_qbuf = coda_qbuf,
152ea1c8 848 .vidioc_expbuf = v4l2_m2m_ioctl_expbuf,
2e9e4f11 849 .vidioc_dqbuf = coda_dqbuf,
152ea1c8 850 .vidioc_create_bufs = v4l2_m2m_ioctl_create_bufs,
186b250a 851
152ea1c8
PZ		 852 .vidioc_streamon = v4l2_m2m_ioctl_streamon,
853 .vidioc_streamoff = v4l2_m2m_ioctl_streamoff,
918c66fd 854
52c41676
PZ		 855 .vidioc_g_selection = coda_g_selection,
856
64ba40ac 857 .vidioc_try_decoder_cmd = coda_try_decoder_cmd,
2e9e4f11 858 .vidioc_decoder_cmd = coda_decoder_cmd,
918c66fd 859
2e9e4f11 860 .vidioc_subscribe_event = coda_subscribe_event,
918c66fd 861 .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
186b250a
JM		 862};
863
79924ca9 864void coda_set_gdi_regs(struct coda_ctx *ctx)
89548441
PZ		 865{
866 struct gdi_tiled_map *tiled_map = &ctx->tiled_map;
867 struct coda_dev *dev = ctx->dev;
868 int i;
869
870 for (i = 0; i < 16; i++)
871 coda_write(dev, tiled_map->xy2ca_map[i],
872 CODA9_GDI_XY2_CAS_0 + 4 * i);
873 for (i = 0; i < 4; i++)
874 coda_write(dev, tiled_map->xy2ba_map[i],
875 CODA9_GDI_XY2_BA_0 + 4 * i);
876 for (i = 0; i < 16; i++)
877 coda_write(dev, tiled_map->xy2ra_map[i],
878 CODA9_GDI_XY2_RAS_0 + 4 * i);
879 coda_write(dev, tiled_map->xy2rbc_config, CODA9_GDI_XY2_RBC_CONFIG);
880 for (i = 0; i < 32; i++)
881 coda_write(dev, tiled_map->rbc2axi_map[i],
882 CODA9_GDI_RBC2_AXI_0 + 4 * i);
883}
884
186b250a
JM		 885/*
886 * Mem-to-mem operations.
887 */
477c1cfe
PZ		 888
889static void coda_device_run(void *m2m_priv)
890{
891 struct coda_ctx *ctx = m2m_priv;
892 struct coda_dev *dev = ctx->dev;
32b6f206
PZ		 893
894 queue_work(dev->workqueue, &ctx->pic_run_work);
895}
896
32b6f206
PZ		 897static void coda_pic_run_work(struct work_struct *work)
898{
899 struct coda_ctx *ctx = container_of(work, struct coda_ctx, pic_run_work);
900 struct coda_dev *dev = ctx->dev;
901 int ret;
902
903 mutex_lock(&ctx->buffer_mutex);
918c66fd
PZ		 904 mutex_lock(&dev->coda_mutex);
905
a1192a17
PZ		 906 ret = ctx->ops->prepare_run(ctx);
907 if (ret < 0 && ctx->inst_type == CODA_INST_DECODER) {
908 mutex_unlock(&dev->coda_mutex);
909 mutex_unlock(&ctx->buffer_mutex);
910 /* job_finish scheduled by prepare_decode */
911 return;
1043667b
PZ		 912 }
913
f23797b6
PZ		 914 if (!wait_for_completion_timeout(&ctx->completion,
915 msecs_to_jiffies(1000))) {
32b6f206 916 dev_err(&dev->plat_dev->dev, "CODA PIC_RUN timeout\n");
84e2365d
PZ		 917
918 ctx->hold = true;
8f45284c
PZ		 919
920 coda_hw_reset(ctx);
32b6f206 921 } else if (!ctx->aborting) {
a1192a17 922 ctx->ops->finish_run(ctx);
32b6f206
PZ		 923 }
924
747d7646
PZ		 925 if ((ctx->aborting || (!ctx->streamon_cap && !ctx->streamon_out)) &&
926 ctx->ops->seq_end_work)
32b6f206
PZ		 927 queue_work(dev->workqueue, &ctx->seq_end_work);
928
929 mutex_unlock(&dev->coda_mutex);
930 mutex_unlock(&ctx->buffer_mutex);
931
14604e3a 932 v4l2_m2m_job_finish(ctx->dev->m2m_dev, ctx->fh.m2m_ctx);
186b250a
JM		 933}
934
935static int coda_job_ready(void *m2m_priv)
936{
937 struct coda_ctx *ctx = m2m_priv;
938
939 /*
940 * For both 'P' and 'key' frame cases 1 picture
9082a7c6
PZ		 941 * and 1 frame are needed. In the decoder case,
942 * the compressed frame can be in the bitstream.
186b250a 943 */
14604e3a 944 if (!v4l2_m2m_num_src_bufs_ready(ctx->fh.m2m_ctx) &&
9082a7c6 945 ctx->inst_type != CODA_INST_DECODER) {
186b250a
JM		 946 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
947 "not ready: not enough video buffers.\n");
948 return 0;
949 }
950
14604e3a 951 if (!v4l2_m2m_num_dst_bufs_ready(ctx->fh.m2m_ctx)) {
9082a7c6
PZ		 952 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
953 "not ready: not enough video capture buffers.\n");
954 return 0;
955 }
956
a22496c6 957 if (ctx->inst_type == CODA_INST_DECODER && ctx->use_bit) {
f77fd8a9
PZ		 958 struct list_head *meta;
959 bool stream_end;
960 int num_metas;
961 int src_bufs;
962
963 if (ctx->hold && !v4l2_m2m_num_src_bufs_ready(ctx->fh.m2m_ctx)) {
964 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
965 "%d: not ready: on hold for more buffers.\n",
966 ctx->idx);
967 return 0;
968 }
969
970 stream_end = ctx->bit_stream_param &
971 CODA_BIT_STREAM_END_FLAG;
972
973 num_metas = 0;
974 list_for_each(meta, &ctx->buffer_meta_list)
975 num_metas++;
976
977 src_bufs = v4l2_m2m_num_src_bufs_ready(ctx->fh.m2m_ctx);
978
979 if (!stream_end && (num_metas + src_bufs) < 2) {
980 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
981 "%d: not ready: need 2 buffers available (%d, %d)\n",
982 ctx->idx, num_metas, src_bufs);
983 return 0;
984 }
985
986
987 if (!v4l2_m2m_num_src_bufs_ready(ctx->fh.m2m_ctx) &&
988 !stream_end && (coda_get_bitstream_payload(ctx) < 512)) {
989 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
990 "%d: not ready: not enough bitstream data (%d).\n",
991 ctx->idx, coda_get_bitstream_payload(ctx));
992 return 0;
993 }
918c66fd
PZ		 994 }
995
3e748268
PZ		 996 if (ctx->aborting) {
997 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
998 "not ready: aborting\n");
999 return 0;
1000 }
1001
186b250a
JM		 1002 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
1003 "job ready\n");
1004 return 1;
1005}
1006
1007static void coda_job_abort(void *priv)
1008{
1009 struct coda_ctx *ctx = priv;
186b250a
JM		 1010
1011 ctx->aborting = 1;
1012
1013 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
1014 "Aborting task\n");
186b250a
JM		 1015}
1016
1017static void coda_lock(void *m2m_priv)
1018{
1019 struct coda_ctx *ctx = m2m_priv;
1020 struct coda_dev *pcdev = ctx->dev;
f23797b6 1021
186b250a
JM		 1022 mutex_lock(&pcdev->dev_mutex);
1023}
1024
1025static void coda_unlock(void *m2m_priv)
1026{
1027 struct coda_ctx *ctx = m2m_priv;
1028 struct coda_dev *pcdev = ctx->dev;
f23797b6 1029
186b250a
JM		 1030 mutex_unlock(&pcdev->dev_mutex);
1031}
1032
814c3762 1033static const struct v4l2_m2m_ops coda_m2m_ops = {
186b250a
JM		 1034 .device_run = coda_device_run,
1035 .job_ready = coda_job_ready,
1036 .job_abort = coda_job_abort,
1037 .lock = coda_lock,
1038 .unlock = coda_unlock,
1039};
1040
89548441
PZ		 1041static void coda_set_tiled_map_type(struct coda_ctx *ctx, int tiled_map_type)
1042{
1043 struct gdi_tiled_map *tiled_map = &ctx->tiled_map;
1044 int luma_map, chro_map, i;
1045
1046 memset(tiled_map, 0, sizeof(*tiled_map));
1047
1048 luma_map = 64;
1049 chro_map = 64;
1050 tiled_map->map_type = tiled_map_type;
1051 for (i = 0; i < 16; i++)
1052 tiled_map->xy2ca_map[i] = luma_map << 8 | chro_map;
1053 for (i = 0; i < 4; i++)
1054 tiled_map->xy2ba_map[i] = luma_map << 8 | chro_map;
1055 for (i = 0; i < 16; i++)
1056 tiled_map->xy2ra_map[i] = luma_map << 8 | chro_map;
1057
1058 if (tiled_map_type == GDI_LINEAR_FRAME_MAP) {
1059 tiled_map->xy2rbc_config = 0;
1060 } else {
1061 dev_err(&ctx->dev->plat_dev->dev, "invalid map type: %d\n",
1062 tiled_map_type);
1063 return;
1064 }
1065}
1066
186b250a
JM		 1067static void set_default_params(struct coda_ctx *ctx)
1068{
8e428d50 1069 unsigned int max_w, max_h, usize, csize;
b96904e5 1070
2c11d1bd
PZ		 1071 ctx->codec = coda_find_codec(ctx->dev, ctx->cvd->src_formats[0],
1072 ctx->cvd->dst_formats[0]);
d4c6a416
PZ		 1073 max_w = min(ctx->codec->max_w, 1920U);
1074 max_h = min(ctx->codec->max_h, 1088U);
8e428d50
PZ		 1075 usize = max_w * max_h * 3 / 2;
1076 csize = coda_estimate_sizeimage(ctx, usize, max_w, max_h);
186b250a 1077
121cacf4 1078 ctx->params.codec_mode = ctx->codec->mode;
186b250a
JM		 1079 ctx->colorspace = V4L2_COLORSPACE_REC709;
1080 ctx->params.framerate = 30;
186b250a
JM		 1081
1082 /* Default formats for output and input queues */
b96904e5
PZ		 1083 ctx->q_data[V4L2_M2M_SRC].fourcc = ctx->codec->src_fourcc;
1084 ctx->q_data[V4L2_M2M_DST].fourcc = ctx->codec->dst_fourcc;
1085 ctx->q_data[V4L2_M2M_SRC].width = max_w;
1086 ctx->q_data[V4L2_M2M_SRC].height = max_h;
b96904e5
PZ		 1087 ctx->q_data[V4L2_M2M_DST].width = max_w;
1088 ctx->q_data[V4L2_M2M_DST].height = max_h;
121cacf4
PZ		 1089 if (ctx->codec->src_fourcc == V4L2_PIX_FMT_YUV420) {
1090 ctx->q_data[V4L2_M2M_SRC].bytesperline = max_w;
8e428d50 1091 ctx->q_data[V4L2_M2M_SRC].sizeimage = usize;
121cacf4 1092 ctx->q_data[V4L2_M2M_DST].bytesperline = 0;
8e428d50 1093 ctx->q_data[V4L2_M2M_DST].sizeimage = csize;
121cacf4
PZ		 1094 } else {
1095 ctx->q_data[V4L2_M2M_SRC].bytesperline = 0;
8e428d50 1096 ctx->q_data[V4L2_M2M_SRC].sizeimage = csize;
121cacf4 1097 ctx->q_data[V4L2_M2M_DST].bytesperline = max_w;
8e428d50 1098 ctx->q_data[V4L2_M2M_DST].sizeimage = usize;
121cacf4 1099 }
52c41676
PZ		 1100 ctx->q_data[V4L2_M2M_SRC].rect.width = max_w;
1101 ctx->q_data[V4L2_M2M_SRC].rect.height = max_h;
1102 ctx->q_data[V4L2_M2M_DST].rect.width = max_w;
1103 ctx->q_data[V4L2_M2M_DST].rect.height = max_h;
89548441
PZ		 1104
1105 if (ctx->dev->devtype->product == CODA_960)
1106 coda_set_tiled_map_type(ctx, GDI_LINEAR_FRAME_MAP);
186b250a
JM		 1107}
1108
1109/*
1110 * Queue operations
1111 */
1112static int coda_queue_setup(struct vb2_queue *vq,
1113 const struct v4l2_format *fmt,
1114 unsigned int *nbuffers, unsigned int *nplanes,
1115 unsigned int sizes[], void *alloc_ctxs[])
1116{
1117 struct coda_ctx *ctx = vb2_get_drv_priv(vq);
e34db066 1118 struct coda_q_data *q_data;
186b250a
JM		 1119 unsigned int size;
1120
e34db066
PZ		 1121 q_data = get_q_data(ctx, vq->type);
1122 size = q_data->sizeimage;
186b250a
JM		 1123
1124 *nplanes = 1;
1125 sizes[0] = size;
1126
bb04aa6f 1127 /* Set to vb2-dma-contig allocator context, ignored by vb2-vmalloc */
186b250a
JM		 1128 alloc_ctxs[0] = ctx->dev->alloc_ctx;
1129
1130 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
1131 "get %d buffer(s) of size %d each.\n", *nbuffers, size);
1132
1133 return 0;
1134}
1135
1136static int coda_buf_prepare(struct vb2_buffer *vb)
1137{
1138 struct coda_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
1139 struct coda_q_data *q_data;
1140
1141 q_data = get_q_data(ctx, vb->vb2_queue->type);
1142
1143 if (vb2_plane_size(vb, 0) < q_data->sizeimage) {
1144 v4l2_warn(&ctx->dev->v4l2_dev,
1145 "%s data will not fit into plane (%lu < %lu)\n",
1146 __func__, vb2_plane_size(vb, 0),
1147 (long)q_data->sizeimage);
1148 return -EINVAL;
1149 }
1150
186b250a
JM		 1151 return 0;
1152}
1153
1154static void coda_buf_queue(struct vb2_buffer *vb)
1155{
1156 struct coda_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
918c66fd
PZ		 1157 struct coda_q_data *q_data;
1158
1159 q_data = get_q_data(ctx, vb->vb2_queue->type);
1160
1161 /*
1162 * In the decoder case, immediately try to copy the buffer into the
1163 * bitstream ringbuffer and mark it as ready to be dequeued.
1164 */
a22496c6 1165 if (ctx->use_bit && ctx->inst_type == CODA_INST_DECODER &&
918c66fd
PZ		 1166 vb->vb2_queue->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
1167 /*
39c1cb2b 1168 * For backwards compatibility, queuing an empty buffer marks
918c66fd
PZ		 1169 * the stream end
1170 */
347bb7f0
PZ		 1171 if (vb2_get_plane_payload(vb, 0) == 0)
1172 coda_bit_stream_end_flag(ctx);
918c66fd 1173 mutex_lock(&ctx->bitstream_mutex);
14604e3a 1174 v4l2_m2m_buf_queue(ctx->fh.m2m_ctx, vb);
eabed931
MO		 1175 if (vb2_is_streaming(vb->vb2_queue))
1176 coda_fill_bitstream(ctx);
918c66fd
PZ		 1177 mutex_unlock(&ctx->bitstream_mutex);
1178 } else {
14604e3a 1179 v4l2_m2m_buf_queue(ctx->fh.m2m_ctx, vb);
918c66fd 1180 }
186b250a
JM		 1181}
1182
79924ca9
PZ		 1183int coda_alloc_aux_buf(struct coda_dev *dev, struct coda_aux_buf *buf,
1184 size_t size, const char *name, struct dentry *parent)
5677e3b0
PZ		 1185{
1186 buf->vaddr = dma_alloc_coherent(&dev->plat_dev->dev, size, &buf->paddr,
1187 GFP_KERNEL);
68fc31c5
PZ		 1188 if (!buf->vaddr) {
1189 v4l2_err(&dev->v4l2_dev,
1190 "Failed to allocate %s buffer of size %u\n",
1191 name, size);
5677e3b0 1192 return -ENOMEM;
68fc31c5 1193 }
5677e3b0
PZ		 1194
1195 buf->size = size;
1196
f61c0b14
PZ		 1197 if (name && parent) {
1198 buf->blob.data = buf->vaddr;
1199 buf->blob.size = size;
f23797b6
PZ		 1200 buf->dentry = debugfs_create_blob(name, 0644, parent,
1201 &buf->blob);
f61c0b14
PZ		 1202 if (!buf->dentry)
1203 dev_warn(&dev->plat_dev->dev,
1204 "failed to create debugfs entry %s\n", name);
1205 }
1206
5677e3b0
PZ		 1207 return 0;
1208}
1209
79924ca9
PZ		 1210void coda_free_aux_buf(struct coda_dev *dev,
1211 struct coda_aux_buf *buf)
5677e3b0
PZ		 1212{
1213 if (buf->vaddr) {
1214 dma_free_coherent(&dev->plat_dev->dev, buf->size,
1215 buf->vaddr, buf->paddr);
1216 buf->vaddr = NULL;
1217 buf->size = 0;
1218 }
f61c0b14 1219 debugfs_remove(buf->dentry);
5677e3b0
PZ		 1220}
1221
79924ca9 1222static int coda_start_streaming(struct vb2_queue *q, unsigned int count)
5677e3b0 1223{
79924ca9
PZ		 1224 struct coda_ctx *ctx = vb2_get_drv_priv(q);
1225 struct v4l2_device *v4l2_dev = &ctx->dev->v4l2_dev;
1226 struct coda_q_data *q_data_src, *q_data_dst;
b906352c 1227 struct vb2_buffer *buf;
79924ca9 1228 int ret = 0;
5677e3b0 1229
79924ca9
PZ		 1230 q_data_src = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
1231 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
cb1d3a33
PZ		 1232 if (q_data_src->fourcc == V4L2_PIX_FMT_H264 ||
1233 (q_data_src->fourcc == V4L2_PIX_FMT_JPEG &&
1234 ctx->dev->devtype->product == CODA_7541)) {
79924ca9
PZ		 1235 /* copy the buffers that where queued before streamon */
1236 mutex_lock(&ctx->bitstream_mutex);
1237 coda_fill_bitstream(ctx);
1238 mutex_unlock(&ctx->bitstream_mutex);
eabed931 1239
b906352c
PZ		 1240 if (coda_get_bitstream_payload(ctx) < 512) {
1241 ret = -EINVAL;
1242 goto err;
1243 }
918c66fd 1244 } else {
b906352c
PZ		 1245 if (count < 1) {
1246 ret = -EINVAL;
1247 goto err;
1248 }
918c66fd 1249 }
186b250a 1250
b96904e5 1251 ctx->streamon_out = 1;
918c66fd 1252 } else {
b906352c
PZ		 1253 if (count < 1) {
1254 ret = -EINVAL;
1255 goto err;
1256 }
918c66fd
PZ		 1257
1258 ctx->streamon_cap = 1;
b96904e5 1259 }
186b250a 1260
b96904e5
PZ		 1261 /* Don't start the coda unless both queues are on */
1262 if (!(ctx->streamon_out & ctx->streamon_cap))
1263 return 0;
186b250a 1264
cb1d3a33 1265 /* Allow BIT decoder device_run with no new buffers queued */
a22496c6 1266 if (ctx->inst_type == CODA_INST_DECODER && ctx->use_bit)
14604e3a 1267 v4l2_m2m_set_src_buffered(ctx->fh.m2m_ctx, true);
918c66fd 1268
b96904e5 1269 ctx->gopcounter = ctx->params.gop_size - 1;
186b250a 1270 q_data_dst = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
b96904e5
PZ		 1271
1272 ctx->codec = coda_find_codec(ctx->dev, q_data_src->fourcc,
1273 q_data_dst->fourcc);
1274 if (!ctx->codec) {
186b250a 1275 v4l2_err(v4l2_dev, "couldn't tell instance type.\n");
b906352c
PZ		 1276 ret = -EINVAL;
1277 goto err;
186b250a
JM		 1278 }
1279
cb1d3a33
PZ		 1280 if (q_data_dst->fourcc == V4L2_PIX_FMT_JPEG)
1281 ctx->params.gop_size = 1;
1282 ctx->gopcounter = ctx->params.gop_size - 1;
1283
a1192a17 1284 ret = ctx->ops->start_streaming(ctx);
918c66fd 1285 if (ctx->inst_type == CODA_INST_DECODER) {
89548441 1286 if (ret == -EAGAIN)
918c66fd 1287 return 0;
89548441 1288 else if (ret < 0)
b906352c 1289 goto err;
918c66fd
PZ		 1290 }
1291
89548441
PZ		 1292 ctx->initialized = 1;
1293 return ret;
b906352c
PZ		 1294
1295err:
1296 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
1297 while ((buf = v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx)))
b8b1b58c 1298 v4l2_m2m_buf_done(buf, VB2_BUF_STATE_QUEUED);
b906352c
PZ		 1299 } else {
1300 while ((buf = v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx)))
b8b1b58c 1301 v4l2_m2m_buf_done(buf, VB2_BUF_STATE_QUEUED);
b906352c
PZ		 1302 }
1303 return ret;
89548441
PZ		 1304}
1305
e37559b2 1306static void coda_stop_streaming(struct vb2_queue *q)
186b250a
JM		 1307{
1308 struct coda_ctx *ctx = vb2_get_drv_priv(q);
2fb57f06 1309 struct coda_dev *dev = ctx->dev;
4a31b52f 1310 struct vb2_buffer *buf;
186b250a
JM		 1311
1312 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
918c66fd 1313 v4l2_dbg(1, coda_debug, &dev->v4l2_dev,
186b250a 1314 "%s: output\n", __func__);
b96904e5 1315 ctx->streamon_out = 0;
918c66fd 1316
347bb7f0 1317 coda_bit_stream_end_flag(ctx);
4a31b52f 1318
6dd5ef5b 1319 ctx->qsequence = 0;
4a31b52f
PZ		 1320
1321 while ((buf = v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx)))
1322 v4l2_m2m_buf_done(buf, VB2_BUF_STATE_ERROR);
186b250a 1323 } else {
918c66fd 1324 v4l2_dbg(1, coda_debug, &dev->v4l2_dev,
186b250a 1325 "%s: capture\n", __func__);
b96904e5 1326 ctx->streamon_cap = 0;
2fb57f06 1327
918c66fd 1328 ctx->osequence = 0;
cb2c0282 1329 ctx->sequence_offset = 0;
4a31b52f
PZ		 1330
1331 while ((buf = v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx)))
1332 v4l2_m2m_buf_done(buf, VB2_BUF_STATE_ERROR);
186b250a
JM		 1333 }
1334
918c66fd 1335 if (!ctx->streamon_out && !ctx->streamon_cap) {
7cbb105f 1336 struct coda_buffer_meta *meta;
846ced9c 1337
f4706d6e
PZ		 1338 if (ctx->ops->seq_end_work) {
1339 queue_work(dev->workqueue, &ctx->seq_end_work);
1340 flush_work(&ctx->seq_end_work);
1341 }
18fd0cce 1342 mutex_lock(&ctx->bitstream_mutex);
7cbb105f
PZ		 1343 while (!list_empty(&ctx->buffer_meta_list)) {
1344 meta = list_first_entry(&ctx->buffer_meta_list,
1345 struct coda_buffer_meta, list);
1346 list_del(&meta->list);
1347 kfree(meta);
846ced9c 1348 }
18fd0cce 1349 mutex_unlock(&ctx->bitstream_mutex);
918c66fd
PZ		 1350 kfifo_init(&ctx->bitstream_fifo,
1351 ctx->bitstream.vaddr, ctx->bitstream.size);
f4706d6e 1352 ctx->initialized = 0;
918c66fd 1353 ctx->runcounter = 0;
f157cf49 1354 ctx->aborting = 0;
918c66fd 1355 }
186b250a
JM		 1356}
1357
121cacf4 1358static const struct vb2_ops coda_qops = {
186b250a
JM		 1359 .queue_setup = coda_queue_setup,
1360 .buf_prepare = coda_buf_prepare,
1361 .buf_queue = coda_buf_queue,
186b250a
JM		 1362 .start_streaming = coda_start_streaming,
1363 .stop_streaming = coda_stop_streaming,
152ea1c8
PZ		 1364 .wait_prepare = vb2_ops_wait_prepare,
1365 .wait_finish = vb2_ops_wait_finish,
186b250a
JM		 1366};
1367
1368static int coda_s_ctrl(struct v4l2_ctrl *ctrl)
1369{
1370 struct coda_ctx *ctx =
1371 container_of(ctrl->handler, struct coda_ctx, ctrls);
1372
1373 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
1374 "s_ctrl: id = %d, val = %d\n", ctrl->id, ctrl->val);
1375
1376 switch (ctrl->id) {
8f35c7bc
PZ		 1377 case V4L2_CID_HFLIP:
1378 if (ctrl->val)
1379 ctx->params.rot_mode |= CODA_MIR_HOR;
1380 else
1381 ctx->params.rot_mode &= ~CODA_MIR_HOR;
1382 break;
1383 case V4L2_CID_VFLIP:
1384 if (ctrl->val)
1385 ctx->params.rot_mode |= CODA_MIR_VER;
1386 else
1387 ctx->params.rot_mode &= ~CODA_MIR_VER;
1388 break;
186b250a
JM		 1389 case V4L2_CID_MPEG_VIDEO_BITRATE:
1390 ctx->params.bitrate = ctrl->val / 1000;
1391 break;
1392 case V4L2_CID_MPEG_VIDEO_GOP_SIZE:
1393 ctx->params.gop_size = ctrl->val;
1394 break;
1395 case V4L2_CID_MPEG_VIDEO_H264_I_FRAME_QP:
1396 ctx->params.h264_intra_qp = ctrl->val;
1397 break;
1398 case V4L2_CID_MPEG_VIDEO_H264_P_FRAME_QP:
1399 ctx->params.h264_inter_qp = ctrl->val;
1400 break;
1a5567e3
PZ		 1401 case V4L2_CID_MPEG_VIDEO_H264_MIN_QP:
1402 ctx->params.h264_min_qp = ctrl->val;
1403 break;
1404 case V4L2_CID_MPEG_VIDEO_H264_MAX_QP:
1405 ctx->params.h264_max_qp = ctrl->val;
1406 break;
de23b1db
PZ		 1407 case V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_ALPHA:
1408 ctx->params.h264_deblk_alpha = ctrl->val;
1409 break;
1410 case V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_BETA:
1411 ctx->params.h264_deblk_beta = ctrl->val;
1412 break;
1413 case V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_MODE:
1414 ctx->params.h264_deblk_enabled = (ctrl->val ==
1415 V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_ENABLED);
1416 break;
186b250a
JM		 1417 case V4L2_CID_MPEG_VIDEO_MPEG4_I_FRAME_QP:
1418 ctx->params.mpeg4_intra_qp = ctrl->val;
1419 break;
1420 case V4L2_CID_MPEG_VIDEO_MPEG4_P_FRAME_QP:
1421 ctx->params.mpeg4_inter_qp = ctrl->val;
1422 break;
1423 case V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MODE:
1424 ctx->params.slice_mode = ctrl->val;
1425 break;
1426 case V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_MB:
1427 ctx->params.slice_max_mb = ctrl->val;
1428 break;
c566c789
PZ		 1429 case V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_BYTES:
1430 ctx->params.slice_max_bits = ctrl->val * 8;
1431 break;
186b250a
JM		 1432 case V4L2_CID_MPEG_VIDEO_HEADER_MODE:
1433 break;
f38f79d5
PZ		 1434 case V4L2_CID_MPEG_VIDEO_CYCLIC_INTRA_REFRESH_MB:
1435 ctx->params.intra_refresh = ctrl->val;
1436 break;
cb1d3a33
PZ		 1437 case V4L2_CID_JPEG_COMPRESSION_QUALITY:
1438 coda_set_jpeg_compression_quality(ctx, ctrl->val);
1439 break;
1440 case V4L2_CID_JPEG_RESTART_INTERVAL:
1441 ctx->params.jpeg_restart_interval = ctrl->val;
1442 break;
186b250a
JM		 1443 default:
1444 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
1445 "Invalid control, id=%d, val=%d\n",
1446 ctrl->id, ctrl->val);
1447 return -EINVAL;
1448 }
1449
1450 return 0;
1451}
1452
814c3762 1453static const struct v4l2_ctrl_ops coda_ctrl_ops = {
186b250a
JM		 1454 .s_ctrl = coda_s_ctrl,
1455};
1456
bfc732f6 1457static void coda_encode_ctrls(struct coda_ctx *ctx)
186b250a 1458{
186b250a
JM		 1459 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
1460 V4L2_CID_MPEG_VIDEO_BITRATE, 0, 32767000, 1, 0);
1461 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
1462 V4L2_CID_MPEG_VIDEO_GOP_SIZE, 1, 60, 1, 16);
1463 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
594a750b 1464 V4L2_CID_MPEG_VIDEO_H264_I_FRAME_QP, 0, 51, 1, 25);
186b250a 1465 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
594a750b 1466 V4L2_CID_MPEG_VIDEO_H264_P_FRAME_QP, 0, 51, 1, 25);
1a5567e3
PZ		 1467 if (ctx->dev->devtype->product != CODA_960) {
1468 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
1469 V4L2_CID_MPEG_VIDEO_H264_MIN_QP, 0, 51, 1, 12);
1470 }
1471 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
1472 V4L2_CID_MPEG_VIDEO_H264_MAX_QP, 0, 51, 1, 51);
de23b1db
PZ		 1473 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
1474 V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_ALPHA, 0, 15, 1, 0);
1475 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
1476 V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_BETA, 0, 15, 1, 0);
1477 v4l2_ctrl_new_std_menu(&ctx->ctrls, &coda_ctrl_ops,
1478 V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_MODE,
1479 V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_DISABLED, 0x0,
1480 V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_ENABLED);
186b250a
JM		 1481 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
1482 V4L2_CID_MPEG_VIDEO_MPEG4_I_FRAME_QP, 1, 31, 1, 2);
1483 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
1484 V4L2_CID_MPEG_VIDEO_MPEG4_P_FRAME_QP, 1, 31, 1, 2);
1485 v4l2_ctrl_new_std_menu(&ctx->ctrls, &coda_ctrl_ops,
1486 V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MODE,
c566c789
PZ		 1487 V4L2_MPEG_VIDEO_MULTI_SICE_MODE_MAX_BYTES, 0x0,
1488 V4L2_MPEG_VIDEO_MULTI_SLICE_MODE_SINGLE);
186b250a
JM		 1489 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
1490 V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_MB, 1, 0x3fffffff, 1, 1);
c566c789 1491 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
f23797b6
PZ		 1492 V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_BYTES, 1, 0x3fffffff, 1,
1493 500);
186b250a
JM		 1494 v4l2_ctrl_new_std_menu(&ctx->ctrls, &coda_ctrl_ops,
1495 V4L2_CID_MPEG_VIDEO_HEADER_MODE,
1496 V4L2_MPEG_VIDEO_HEADER_MODE_JOINED_WITH_1ST_FRAME,
1497 (1 << V4L2_MPEG_VIDEO_HEADER_MODE_SEPARATE),
1498 V4L2_MPEG_VIDEO_HEADER_MODE_JOINED_WITH_1ST_FRAME);
f38f79d5 1499 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
f23797b6
PZ		 1500 V4L2_CID_MPEG_VIDEO_CYCLIC_INTRA_REFRESH_MB, 0,
1501 1920 * 1088 / 256, 1, 0);
bfc732f6
PZ		 1502}
1503
cb1d3a33
PZ		 1504static void coda_jpeg_encode_ctrls(struct coda_ctx *ctx)
1505{
1506 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
1507 V4L2_CID_JPEG_COMPRESSION_QUALITY, 5, 100, 1, 50);
1508 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
1509 V4L2_CID_JPEG_RESTART_INTERVAL, 0, 100, 1, 0);
1510}
1511
bfc732f6
PZ		 1512static int coda_ctrls_setup(struct coda_ctx *ctx)
1513{
1514 v4l2_ctrl_handler_init(&ctx->ctrls, 2);
1515
1516 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
1517 V4L2_CID_HFLIP, 0, 1, 1, 0);
1518 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
1519 V4L2_CID_VFLIP, 0, 1, 1, 0);
cb1d3a33
PZ		 1520 if (ctx->inst_type == CODA_INST_ENCODER) {
1521 if (ctx->cvd->dst_formats[0] == V4L2_PIX_FMT_JPEG)
1522 coda_jpeg_encode_ctrls(ctx);
1523 else
1524 coda_encode_ctrls(ctx);
1525 }
186b250a
JM		 1526
1527 if (ctx->ctrls.error) {
f23797b6
PZ		 1528 v4l2_err(&ctx->dev->v4l2_dev,
1529 "control initialization error (%d)",
186b250a
JM		 1530 ctx->ctrls.error);
1531 return -EINVAL;
1532 }
1533
1534 return v4l2_ctrl_handler_setup(&ctx->ctrls);
1535}
1536
121cacf4
PZ		 1537static int coda_queue_init(struct coda_ctx *ctx, struct vb2_queue *vq)
1538{
1539 vq->drv_priv = ctx;
1540 vq->ops = &coda_qops;
1541 vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer);
1542 vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
1543 vq->lock = &ctx->dev->dev_mutex;
1544
1545 return vb2_queue_init(vq);
1546}
1547
79924ca9
PZ		 1548int coda_encoder_queue_init(void *priv, struct vb2_queue *src_vq,
1549 struct vb2_queue *dst_vq)
186b250a 1550{
186b250a
JM		 1551 int ret;
1552
186b250a 1553 src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT;
d29a8cf2 1554 src_vq->io_modes = VB2_DMABUF | VB2_MMAP;
186b250a
JM		 1555 src_vq->mem_ops = &vb2_dma_contig_memops;
1556
121cacf4 1557 ret = coda_queue_init(priv, src_vq);
186b250a
JM		 1558 if (ret)
1559 return ret;
1560
186b250a 1561 dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
d29a8cf2 1562 dst_vq->io_modes = VB2_DMABUF | VB2_MMAP;
186b250a
JM		 1563 dst_vq->mem_ops = &vb2_dma_contig_memops;
1564
121cacf4
PZ		 1565 return coda_queue_init(priv, dst_vq);
1566}
1567
79924ca9
PZ		 1568int coda_decoder_queue_init(void *priv, struct vb2_queue *src_vq,
1569 struct vb2_queue *dst_vq)
121cacf4
PZ		 1570{
1571 int ret;
1572
1573 src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT;
bb04aa6f
PZ		 1574 src_vq->io_modes = VB2_DMABUF | VB2_MMAP | VB2_USERPTR;
1575 src_vq->mem_ops = &vb2_vmalloc_memops;
121cacf4
PZ		 1576
1577 ret = coda_queue_init(priv, src_vq);
1578 if (ret)
1579 return ret;
1580
1581 dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1582 dst_vq->io_modes = VB2_DMABUF | VB2_MMAP;
1583 dst_vq->mem_ops = &vb2_dma_contig_memops;
1584
1585 return coda_queue_init(priv, dst_vq);
186b250a
JM		 1586}
1587
e11f3e6e
PZ		 1588static int coda_next_free_instance(struct coda_dev *dev)
1589{
0cddc7e9
PZ		 1590 int idx = ffz(dev->instance_mask);
1591
1592 if ((idx < 0) ||
1593 (dev->devtype->product == CODA_DX6 && idx > CODADX6_MAX_INSTANCES))
1594 return -EBUSY;
1595
1596 return idx;
e11f3e6e
PZ		 1597}
1598
2c11d1bd
PZ		 1599/*
1600 * File operations
1601 */
1602
1603static int coda_open(struct file *file)
186b250a 1604{
2c11d1bd
PZ		 1605 struct video_device *vdev = video_devdata(file);
1606 struct coda_dev *dev = video_get_drvdata(vdev);
186b250a 1607 struct coda_ctx *ctx = NULL;
f61c0b14 1608 char *name;
918c66fd 1609 int ret;
e11f3e6e 1610 int idx;
186b250a 1611
f23797b6 1612 ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
186b250a
JM		 1613 if (!ctx)
1614 return -ENOMEM;
1615
f82bc203 1616 idx = coda_next_free_instance(dev);
0cddc7e9
PZ		 1617 if (idx < 0) {
1618 ret = idx;
f82bc203
FE		 1619 goto err_coda_max;
1620 }
1621 set_bit(idx, &dev->instance_mask);
1622
f61c0b14
PZ		 1623 name = kasprintf(GFP_KERNEL, "context%d", idx);
1624 ctx->debugfs_entry = debugfs_create_dir(name, dev->debugfs_root);
1625 kfree(name);
1626
2c11d1bd
PZ		 1627 ctx->cvd = to_coda_video_device(vdev);
1628 ctx->inst_type = ctx->cvd->type;
1629 ctx->ops = ctx->cvd->ops;
a22496c6 1630 ctx->use_bit = !ctx->cvd->direct;
32b6f206
PZ		 1631 init_completion(&ctx->completion);
1632 INIT_WORK(&ctx->pic_run_work, coda_pic_run_work);
747d7646
PZ		 1633 if (ctx->ops->seq_end_work)
1634 INIT_WORK(&ctx->seq_end_work, ctx->ops->seq_end_work);
186b250a
JM		 1635 v4l2_fh_init(&ctx->fh, video_devdata(file));
1636 file->private_data = &ctx->fh;
1637 v4l2_fh_add(&ctx->fh);
1638 ctx->dev = dev;
e11f3e6e 1639 ctx->idx = idx;
5677e3b0 1640 switch (dev->devtype->product) {
89548441 1641 case CODA_960:
2bf299cd
PZ		 1642 ctx->frame_mem_ctrl = 1 << 12;
1643 /* fallthrough */
1644 case CODA_7541:
5677e3b0
PZ		 1645 ctx->reg_idx = 0;
1646 break;
1647 default:
1648 ctx->reg_idx = idx;
1649 }
f82bc203 1650
1e172731
PZ		 1651 /* Power up and upload firmware if necessary */
1652 ret = pm_runtime_get_sync(&dev->plat_dev->dev);
1653 if (ret < 0) {
1654 v4l2_err(&dev->v4l2_dev, "failed to power up: %d\n", ret);
1655 goto err_pm_get;
1656 }
1657
79830db2
FE		 1658 ret = clk_prepare_enable(dev->clk_per);
1659 if (ret)
1660 goto err_clk_per;
1661
1662 ret = clk_prepare_enable(dev->clk_ahb);
1663 if (ret)
1664 goto err_clk_ahb;
1665
186b250a 1666 set_default_params(ctx);
a1192a17
PZ		 1667 ctx->fh.m2m_ctx = v4l2_m2m_ctx_init(dev->m2m_dev, ctx,
1668 ctx->ops->queue_init);
14604e3a
PZ		 1669 if (IS_ERR(ctx->fh.m2m_ctx)) {
1670 ret = PTR_ERR(ctx->fh.m2m_ctx);
186b250a
JM		 1671
1672 v4l2_err(&dev->v4l2_dev, "%s return error (%d)\n",
1673 __func__, ret);
f82bc203 1674 goto err_ctx_init;
186b250a 1675 }
152ea1c8 1676
186b250a
JM		 1677 ret = coda_ctrls_setup(ctx);
1678 if (ret) {
1679 v4l2_err(&dev->v4l2_dev, "failed to setup coda controls\n");
f82bc203 1680 goto err_ctrls_setup;
186b250a
JM		 1681 }
1682
1683 ctx->fh.ctrl_handler = &ctx->ctrls;
1684
a22496c6
PZ		 1685 if (ctx->use_bit) {
1686 ret = coda_alloc_context_buf(ctx, &ctx->parabuf,
1687 CODA_PARA_BUF_SIZE, "parabuf");
1688 if (ret < 0) {
1689 v4l2_err(&dev->v4l2_dev, "failed to allocate parabuf");
1690 goto err_dma_alloc;
1691 }
e55317e7
PZ		 1692 }
1693 if (ctx->use_bit && ctx->inst_type == CODA_INST_DECODER) {
a22496c6
PZ		 1694 ctx->bitstream.size = CODA_MAX_FRAME_SIZE;
1695 ctx->bitstream.vaddr = dma_alloc_writecombine(
1696 &dev->plat_dev->dev, ctx->bitstream.size,
1697 &ctx->bitstream.paddr, GFP_KERNEL);
1698 if (!ctx->bitstream.vaddr) {
1699 v4l2_err(&dev->v4l2_dev,
1700 "failed to allocate bitstream ringbuffer");
1701 ret = -ENOMEM;
1702 goto err_dma_writecombine;
1703 }
9082a7c6
PZ		 1704 }
1705 kfifo_init(&ctx->bitstream_fifo,
1706 ctx->bitstream.vaddr, ctx->bitstream.size);
1707 mutex_init(&ctx->bitstream_mutex);
918c66fd 1708 mutex_init(&ctx->buffer_mutex);
7cbb105f 1709 INIT_LIST_HEAD(&ctx->buffer_meta_list);
9082a7c6 1710
186b250a 1711 coda_lock(ctx);
e11f3e6e 1712 list_add(&ctx->list, &dev->instances);
186b250a
JM		 1713 coda_unlock(ctx);
1714
186b250a
JM		 1715 v4l2_dbg(1, coda_debug, &dev->v4l2_dev, "Created instance %d (%p)\n",
1716 ctx->idx, ctx);
1717
1718 return 0;
1719
f82bc203 1720err_dma_writecombine:
f82bc203
FE		 1721 if (ctx->dev->devtype->product == CODA_DX6)
1722 coda_free_aux_buf(dev, &ctx->workbuf);
1723 coda_free_aux_buf(dev, &ctx->parabuf);
1724err_dma_alloc:
1725 v4l2_ctrl_handler_free(&ctx->ctrls);
1726err_ctrls_setup:
14604e3a 1727 v4l2_m2m_ctx_release(ctx->fh.m2m_ctx);
f82bc203
FE		 1728err_ctx_init:
1729 clk_disable_unprepare(dev->clk_ahb);
79830db2 1730err_clk_ahb:
f82bc203 1731 clk_disable_unprepare(dev->clk_per);
79830db2 1732err_clk_per:
1e172731
PZ		 1733 pm_runtime_put_sync(&dev->plat_dev->dev);
1734err_pm_get:
186b250a
JM		 1735 v4l2_fh_del(&ctx->fh);
1736 v4l2_fh_exit(&ctx->fh);
f82bc203
FE		 1737 clear_bit(ctx->idx, &dev->instance_mask);
1738err_coda_max:
186b250a
JM		 1739 kfree(ctx);
1740 return ret;
1741}
1742
1743static int coda_release(struct file *file)
1744{
1745 struct coda_dev *dev = video_drvdata(file);
1746 struct coda_ctx *ctx = fh_to_ctx(file->private_data);
1747
1748 v4l2_dbg(1, coda_debug, &dev->v4l2_dev, "Releasing instance %p\n",
1749 ctx);
1750
a22496c6 1751 if (ctx->inst_type == CODA_INST_DECODER && ctx->use_bit)
d4bb75f6
PZ		 1752 coda_bit_stream_end_flag(ctx);
1753
918c66fd 1754 /* If this instance is running, call .job_abort and wait for it to end */
14604e3a 1755 v4l2_m2m_ctx_release(ctx->fh.m2m_ctx);
918c66fd
PZ		 1756
1757 /* In case the instance was not running, we still need to call SEQ_END */
747d7646 1758 if (ctx->initialized && ctx->ops->seq_end_work) {
32b6f206
PZ		 1759 queue_work(dev->workqueue, &ctx->seq_end_work);
1760 flush_work(&ctx->seq_end_work);
918c66fd 1761 }
918c66fd 1762
186b250a 1763 coda_lock(ctx);
e11f3e6e 1764 list_del(&ctx->list);
186b250a
JM		 1765 coda_unlock(ctx);
1766
cb1d3a33
PZ		 1767 if (ctx->bitstream.vaddr) {
1768 dma_free_writecombine(&dev->plat_dev->dev, ctx->bitstream.size,
1769 ctx->bitstream.vaddr, ctx->bitstream.paddr);
1770 }
5677e3b0
PZ		 1771 if (ctx->dev->devtype->product == CODA_DX6)
1772 coda_free_aux_buf(dev, &ctx->workbuf);
1773
1774 coda_free_aux_buf(dev, &ctx->parabuf);
186b250a 1775 v4l2_ctrl_handler_free(&ctx->ctrls);
186b250a 1776 clk_disable_unprepare(dev->clk_ahb);
f82bc203 1777 clk_disable_unprepare(dev->clk_per);
1e172731 1778 pm_runtime_put_sync(&dev->plat_dev->dev);
186b250a
JM		 1779 v4l2_fh_del(&ctx->fh);
1780 v4l2_fh_exit(&ctx->fh);
e11f3e6e 1781 clear_bit(ctx->idx, &dev->instance_mask);
58b7677d
PZ		 1782 if (ctx->ops->release)
1783 ctx->ops->release(ctx);
e1519e86 1784 debugfs_remove_recursive(ctx->debugfs_entry);
186b250a
JM		 1785 kfree(ctx);
1786
1787 return 0;
1788}
1789
2c11d1bd 1790static const struct v4l2_file_operations coda_fops = {
121cacf4 1791 .owner = THIS_MODULE,
2c11d1bd 1792 .open = coda_open,
186b250a 1793 .release = coda_release,
152ea1c8 1794 .poll = v4l2_m2m_fop_poll,
186b250a 1795 .unlocked_ioctl = video_ioctl2,
152ea1c8 1796 .mmap = v4l2_m2m_fop_mmap,
186b250a
JM		 1797};
1798
87048bb4 1799static int coda_hw_init(struct coda_dev *dev)
186b250a 1800{
186b250a
JM		 1801 u32 data;
1802 u16 *p;
79830db2
FE		 1803 int i, ret;
1804
1805 ret = clk_prepare_enable(dev->clk_per);
1806 if (ret)
1e172731 1807 goto err_clk_per;
186b250a 1808
79830db2
FE		 1809 ret = clk_prepare_enable(dev->clk_ahb);
1810 if (ret)
1811 goto err_clk_ahb;
186b250a 1812
8f45284c
PZ		 1813 if (dev->rstc)
1814 reset_control_reset(dev->rstc);
1815
186b250a
JM		 1816 /*
1817 * Copy the first CODA_ISRAM_SIZE in the internal SRAM.
87048bb4
PZ		 1818 * The 16-bit chars in the code buffer are in memory access
1819 * order, re-sort them to CODA order for register download.
186b250a
JM		 1820 * Data in this SRAM survives a reboot.
1821 */
87048bb4
PZ		 1822 p = (u16 *)dev->codebuf.vaddr;
1823 if (dev->devtype->product == CODA_DX6) {
1824 for (i = 0; i < (CODA_ISRAM_SIZE / 2); i++) {
1825 data = CODA_DOWN_ADDRESS_SET(i) |
1826 CODA_DOWN_DATA_SET(p[i ^ 1]);
1827 coda_write(dev, data, CODA_REG_BIT_CODE_DOWN);
1828 }
1829 } else {
1830 for (i = 0; i < (CODA_ISRAM_SIZE / 2); i++) {
1831 data = CODA_DOWN_ADDRESS_SET(i) |
1832 CODA_DOWN_DATA_SET(p[round_down(i, 4) +
1833 3 - (i % 4)]);
1834 coda_write(dev, data, CODA_REG_BIT_CODE_DOWN);
1835 }
186b250a 1836 }
186b250a 1837
9acf7693
PZ		 1838 /* Clear registers */
1839 for (i = 0; i < 64; i++)
1840 coda_write(dev, 0, CODA_REG_BIT_CODE_BUF_ADDR + i * 4);
1841
186b250a 1842 /* Tell the BIT where to find everything it needs */
89548441
PZ		 1843 if (dev->devtype->product == CODA_960 ||
1844 dev->devtype->product == CODA_7541) {
5677e3b0
PZ		 1845 coda_write(dev, dev->tempbuf.paddr,
1846 CODA_REG_BIT_TEMP_BUF_ADDR);
918c66fd 1847 coda_write(dev, 0, CODA_REG_BIT_BIT_STREAM_PARAM);
5677e3b0
PZ		 1848 } else {
1849 coda_write(dev, dev->workbuf.paddr,
1850 CODA_REG_BIT_WORK_BUF_ADDR);
1851 }
186b250a
JM		 1852 coda_write(dev, dev->codebuf.paddr,
1853 CODA_REG_BIT_CODE_BUF_ADDR);
1854 coda_write(dev, 0, CODA_REG_BIT_CODE_RUN);
1855
1856 /* Set default values */
1857 switch (dev->devtype->product) {
1858 case CODA_DX6:
f23797b6
PZ		 1859 coda_write(dev, CODADX6_STREAM_BUF_PIC_FLUSH,
1860 CODA_REG_BIT_STREAM_CTRL);
186b250a
JM		 1861 break;
1862 default:
f23797b6
PZ		 1863 coda_write(dev, CODA7_STREAM_BUF_PIC_FLUSH,
1864 CODA_REG_BIT_STREAM_CTRL);
186b250a 1865 }
89548441
PZ		 1866 if (dev->devtype->product == CODA_960)
1867 coda_write(dev, 1 << 12, CODA_REG_BIT_FRAME_MEM_CTRL);
1868 else
1869 coda_write(dev, 0, CODA_REG_BIT_FRAME_MEM_CTRL);
1043667b
PZ		 1870
1871 if (dev->devtype->product != CODA_DX6)
1872 coda_write(dev, 0, CODA7_REG_BIT_AXI_SRAM_USE);
1873
186b250a
JM		 1874 coda_write(dev, CODA_INT_INTERRUPT_ENABLE,
1875 CODA_REG_BIT_INT_ENABLE);
1876
1877 /* Reset VPU and start processor */
1878 data = coda_read(dev, CODA_REG_BIT_CODE_RESET);
1879 data |= CODA_REG_RESET_ENABLE;
1880 coda_write(dev, data, CODA_REG_BIT_CODE_RESET);
1881 udelay(10);
1882 data &= ~CODA_REG_RESET_ENABLE;
1883 coda_write(dev, data, CODA_REG_BIT_CODE_RESET);
1884 coda_write(dev, CODA_REG_RUN_ENABLE, CODA_REG_BIT_CODE_RUN);
1885
fe7554e6
PZ		 1886 clk_disable_unprepare(dev->clk_ahb);
1887 clk_disable_unprepare(dev->clk_per);
1888
1889 return 0;
1890
1891err_clk_ahb:
1892 clk_disable_unprepare(dev->clk_per);
1893err_clk_per:
1894 return ret;
1895}
1896
2c11d1bd 1897static int coda_register_device(struct coda_dev *dev, int i)
121cacf4 1898{
2c11d1bd
PZ		 1899 struct video_device *vfd = &dev->vfd[i];
1900
88ca3af4 1901 if (i >= dev->devtype->num_vdevs)
2c11d1bd
PZ		 1902 return -EINVAL;
1903
88ca3af4
DC		 1904 snprintf(vfd->name, sizeof(vfd->name), "%s",
1905 dev->devtype->vdevs[i]->name);
2c11d1bd
PZ		 1906 vfd->fops = &coda_fops;
1907 vfd->ioctl_ops = &coda_ioctl_ops;
121cacf4
PZ		 1908 vfd->release = video_device_release_empty,
1909 vfd->lock = &dev->dev_mutex;
1910 vfd->v4l2_dev = &dev->v4l2_dev;
1911 vfd->vfl_dir = VFL_DIR_M2M;
1912 video_set_drvdata(vfd, dev);
1913
a188a668
PZ		 1914 /* Not applicable, use the selection API instead */
1915 v4l2_disable_ioctl(vfd, VIDIOC_CROPCAP);
1916 v4l2_disable_ioctl(vfd, VIDIOC_G_CROP);
1917 v4l2_disable_ioctl(vfd, VIDIOC_S_CROP);
1918
121cacf4
PZ		 1919 return video_register_device(vfd, VFL_TYPE_GRABBER, 0);
1920}
1921
186b250a
JM		 1922static void coda_fw_callback(const struct firmware *fw, void *context)
1923{
1924 struct coda_dev *dev = context;
1925 struct platform_device *pdev = dev->plat_dev;
2c11d1bd 1926 int i, ret;
186b250a
JM		 1927
1928 if (!fw) {
1929 v4l2_err(&dev->v4l2_dev, "firmware request failed\n");
c5d28e29 1930 goto put_pm;
186b250a
JM		 1931 }
1932
1933 /* allocate auxiliary per-device code buffer for the BIT processor */
f61c0b14
PZ		 1934 ret = coda_alloc_aux_buf(dev, &dev->codebuf, fw->size, "codebuf",
1935 dev->debugfs_root);
5677e3b0 1936 if (ret < 0) {
186b250a 1937 dev_err(&pdev->dev, "failed to allocate code buffer\n");
c5d28e29 1938 goto put_pm;
186b250a
JM		 1939 }
1940
87048bb4
PZ		 1941 /* Copy the whole firmware image to the code buffer */
1942 memcpy(dev->codebuf.vaddr, fw->data, fw->size);
1943 release_firmware(fw);
1944
c5d28e29
UH		 1945 ret = coda_hw_init(dev);
1946 if (ret < 0) {
1947 v4l2_err(&dev->v4l2_dev, "HW initialization failed\n");
1948 goto put_pm;
186b250a
JM		 1949 }
1950
c5d28e29
UH		 1951 ret = coda_check_firmware(dev);
1952 if (ret < 0)
1953 goto put_pm;
1954
186b250a
JM		 1955 dev->alloc_ctx = vb2_dma_contig_init_ctx(&pdev->dev);
1956 if (IS_ERR(dev->alloc_ctx)) {
1957 v4l2_err(&dev->v4l2_dev, "Failed to alloc vb2 context\n");
c5d28e29 1958 goto put_pm;
186b250a
JM		 1959 }
1960
1961 dev->m2m_dev = v4l2_m2m_init(&coda_m2m_ops);
1962 if (IS_ERR(dev->m2m_dev)) {
1963 v4l2_err(&dev->v4l2_dev, "Failed to init mem2mem device\n");
1964 goto rel_ctx;
1965 }
1966
2c11d1bd
PZ		 1967 for (i = 0; i < dev->devtype->num_vdevs; i++) {
1968 ret = coda_register_device(dev, i);
1969 if (ret) {
1970 v4l2_err(&dev->v4l2_dev,
1971 "Failed to register %s video device: %d\n",
1972 dev->devtype->vdevs[i]->name, ret);
1973 goto rel_vfd;
1974 }
121cacf4
PZ		 1975 }
1976
1977 v4l2_info(&dev->v4l2_dev, "codec registered as /dev/video[%d-%d]\n",
2c11d1bd 1978 dev->vfd[0].num, dev->vfd[i - 1].num);
186b250a 1979
c5d28e29 1980 pm_runtime_put_sync(&pdev->dev);
186b250a
JM		 1981 return;
1982
2c11d1bd
PZ		 1983rel_vfd:
1984 while (--i >= 0)
1985 video_unregister_device(&dev->vfd[i]);
186b250a
JM		 1986 v4l2_m2m_release(dev->m2m_dev);
1987rel_ctx:
1988 vb2_dma_contig_cleanup_ctx(dev->alloc_ctx);
c5d28e29
UH		 1989put_pm:
1990 pm_runtime_put_sync(&pdev->dev);
186b250a
JM		 1991}
1992
1993static int coda_firmware_request(struct coda_dev *dev)
1994{
1995 char *fw = dev->devtype->firmware;
1996
1997 dev_dbg(&dev->plat_dev->dev, "requesting firmware '%s' for %s\n", fw,
1998 coda_product_name(dev->devtype->product));
1999
2000 return request_firmware_nowait(THIS_MODULE, true,
2001 fw, &dev->plat_dev->dev, GFP_KERNEL, dev, coda_fw_callback);
2002}
2003
2004enum coda_platform {
2005 CODA_IMX27,
df1e74cc 2006 CODA_IMX53,
89548441
PZ		 2007 CODA_IMX6Q,
2008 CODA_IMX6DL,
186b250a
JM		 2009};
2010
c06d8752 2011static const struct coda_devtype coda_devdata[] = {
186b250a 2012 [CODA_IMX27] = {
e5b0d1c6
PZ		 2013 .firmware = "v4l-codadx6-imx27.bin",
2014 .product = CODA_DX6,
2015 .codecs = codadx6_codecs,
2016 .num_codecs = ARRAY_SIZE(codadx6_codecs),
2c11d1bd
PZ		 2017 .vdevs = codadx6_video_devices,
2018 .num_vdevs = ARRAY_SIZE(codadx6_video_devices),
e5b0d1c6 2019 .workbuf_size = 288 * 1024 + FMO_SLICE_SAVE_BUF_SIZE * 8 * 1024,
401e972f 2020 .iram_size = 0xb000,
186b250a 2021 },
df1e74cc 2022 [CODA_IMX53] = {
e5b0d1c6
PZ		 2023 .firmware = "v4l-coda7541-imx53.bin",
2024 .product = CODA_7541,
2025 .codecs = coda7_codecs,
2026 .num_codecs = ARRAY_SIZE(coda7_codecs),
2c11d1bd
PZ		 2027 .vdevs = coda7_video_devices,
2028 .num_vdevs = ARRAY_SIZE(coda7_video_devices),
e5b0d1c6 2029 .workbuf_size = 128 * 1024,
5d73fad1 2030 .tempbuf_size = 304 * 1024,
401e972f 2031 .iram_size = 0x14000,
df1e74cc 2032 },
89548441 2033 [CODA_IMX6Q] = {
e5b0d1c6
PZ		 2034 .firmware = "v4l-coda960-imx6q.bin",
2035 .product = CODA_960,
2036 .codecs = coda9_codecs,
2037 .num_codecs = ARRAY_SIZE(coda9_codecs),
2c11d1bd
PZ		 2038 .vdevs = coda9_video_devices,
2039 .num_vdevs = ARRAY_SIZE(coda9_video_devices),
e5b0d1c6 2040 .workbuf_size = 80 * 1024,
5d73fad1 2041 .tempbuf_size = 204 * 1024,
401e972f 2042 .iram_size = 0x21000,
89548441
PZ		 2043 },
2044 [CODA_IMX6DL] = {
e5b0d1c6
PZ		 2045 .firmware = "v4l-coda960-imx6dl.bin",
2046 .product = CODA_960,
2047 .codecs = coda9_codecs,
2048 .num_codecs = ARRAY_SIZE(coda9_codecs),
2c11d1bd
PZ		 2049 .vdevs = coda9_video_devices,
2050 .num_vdevs = ARRAY_SIZE(coda9_video_devices),
e5b0d1c6 2051 .workbuf_size = 80 * 1024,
5d73fad1 2052 .tempbuf_size = 204 * 1024,
401e972f 2053 .iram_size = 0x20000,
89548441 2054 },
186b250a
JM		 2055};
2056
2057static struct platform_device_id coda_platform_ids[] = {
2058 { .name = "coda-imx27", .driver_data = CODA_IMX27 },
2059 { /* sentinel */ }
2060};
2061MODULE_DEVICE_TABLE(platform, coda_platform_ids);
2062
2063#ifdef CONFIG_OF
2064static const struct of_device_id coda_dt_ids[] = {
7b0dd9e6 2065 { .compatible = "fsl,imx27-vpu", .data = &coda_devdata[CODA_IMX27] },
df1e74cc 2066 { .compatible = "fsl,imx53-vpu", .data = &coda_devdata[CODA_IMX53] },
89548441
PZ		 2067 { .compatible = "fsl,imx6q-vpu", .data = &coda_devdata[CODA_IMX6Q] },
2068 { .compatible = "fsl,imx6dl-vpu", .data = &coda_devdata[CODA_IMX6DL] },
186b250a
JM		 2069 { /* sentinel */ }
2070};
2071MODULE_DEVICE_TABLE(of, coda_dt_ids);
2072#endif
2073
4c62e976 2074static int coda_probe(struct platform_device *pdev)
186b250a
JM		 2075{
2076 const struct of_device_id *of_id =
2077 of_match_device(of_match_ptr(coda_dt_ids), &pdev->dev);
2078 const struct platform_device_id *pdev_id;
657eee7d
PZ		 2079 struct coda_platform_data *pdata = pdev->dev.platform_data;
2080 struct device_node *np = pdev->dev.of_node;
2081 struct gen_pool *pool;
186b250a
JM		 2082 struct coda_dev *dev;
2083 struct resource *res;
2084 int ret, irq;
2085
f23797b6 2086 dev = devm_kzalloc(&pdev->dev, sizeof(*dev), GFP_KERNEL);
6da999d9 2087 if (!dev)
186b250a 2088 return -ENOMEM;
186b250a 2089
b2f91ae3
PZ		 2090 pdev_id = of_id ? of_id->data : platform_get_device_id(pdev);
2091
b7bd660a 2092 if (of_id) {
b2f91ae3 2093 dev->devtype = of_id->data;
b7bd660a 2094 } else if (pdev_id) {
b2f91ae3 2095 dev->devtype = &coda_devdata[pdev_id->driver_data];
b7bd660a
FE		 2096 } else {
2097 ret = -EINVAL;
2098 goto err_v4l2_register;
186b250a
JM		 2099 }
2100
2101 spin_lock_init(&dev->irqlock);
e11f3e6e 2102 INIT_LIST_HEAD(&dev->instances);
186b250a
JM		 2103
2104 dev->plat_dev = pdev;
2105 dev->clk_per = devm_clk_get(&pdev->dev, "per");
2106 if (IS_ERR(dev->clk_per)) {
2107 dev_err(&pdev->dev, "Could not get per clock\n");
2108 return PTR_ERR(dev->clk_per);
2109 }
2110
2111 dev->clk_ahb = devm_clk_get(&pdev->dev, "ahb");
2112 if (IS_ERR(dev->clk_ahb)) {
2113 dev_err(&pdev->dev, "Could not get ahb clock\n");
2114 return PTR_ERR(dev->clk_ahb);
2115 }
2116
2117 /* Get memory for physical registers */
2118 res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
611cbbfe
PZ		 2119 dev->regs_base = devm_ioremap_resource(&pdev->dev, res);
2120 if (IS_ERR(dev->regs_base))
2121 return PTR_ERR(dev->regs_base);
186b250a
JM		 2122
2123 /* IRQ */
540b72e4
PZ		 2124 irq = platform_get_irq_byname(pdev, "bit");
2125 if (irq < 0)
2126 irq = platform_get_irq(pdev, 0);
186b250a
JM		 2127 if (irq < 0) {
2128 dev_err(&pdev->dev, "failed to get irq resource\n");
7d37743a 2129 return irq;
186b250a
JM		 2130 }
2131
08c8d14e
FE		 2132 ret = devm_request_threaded_irq(&pdev->dev, irq, NULL, coda_irq_handler,
2133 IRQF_ONESHOT, dev_name(&pdev->dev), dev);
2134 if (ret < 0) {
2135 dev_err(&pdev->dev, "failed to request irq: %d\n", ret);
2136 return ret;
186b250a
JM		 2137 }
2138
ee27aa90 2139 dev->rstc = devm_reset_control_get_optional(&pdev->dev, NULL);
8f45284c
PZ		 2140 if (IS_ERR(dev->rstc)) {
2141 ret = PTR_ERR(dev->rstc);
ee27aa90 2142 if (ret == -ENOENT || ret == -ENOSYS) {
8f45284c
PZ		 2143 dev->rstc = NULL;
2144 } else {
f23797b6
PZ		 2145 dev_err(&pdev->dev, "failed get reset control: %d\n",
2146 ret);
8f45284c
PZ		 2147 return ret;
2148 }
2149 }
2150
657eee7d
PZ		 2151 /* Get IRAM pool from device tree or platform data */
2152 pool = of_get_named_gen_pool(np, "iram", 0);
2153 if (!pool && pdata)
2154 pool = dev_get_gen_pool(pdata->iram_dev);
2155 if (!pool) {
2156 dev_err(&pdev->dev, "iram pool not available\n");
2157 return -ENOMEM;
2158 }
2159 dev->iram_pool = pool;
2160
186b250a
JM		 2161 ret = v4l2_device_register(&pdev->dev, &dev->v4l2_dev);
2162 if (ret)
2163 return ret;
2164
2165 mutex_init(&dev->dev_mutex);
fcb62825 2166 mutex_init(&dev->coda_mutex);
186b250a 2167
f61c0b14
PZ		 2168 dev->debugfs_root = debugfs_create_dir("coda", NULL);
2169 if (!dev->debugfs_root)
2170 dev_warn(&pdev->dev, "failed to create debugfs root\n");
2171
186b250a 2172 /* allocate auxiliary per-device buffers for the BIT processor */
5d73fad1 2173 if (dev->devtype->product == CODA_DX6) {
5677e3b0 2174 ret = coda_alloc_aux_buf(dev, &dev->workbuf,
e5b0d1c6 2175 dev->devtype->workbuf_size, "workbuf",
f61c0b14 2176 dev->debugfs_root);
5677e3b0
PZ		 2177 if (ret < 0) {
2178 dev_err(&pdev->dev, "failed to allocate work buffer\n");
b7bd660a 2179 goto err_v4l2_register;
5677e3b0 2180 }
186b250a 2181 }
5d73fad1
PZ		 2182
2183 if (dev->devtype->tempbuf_size) {
5677e3b0 2184 ret = coda_alloc_aux_buf(dev, &dev->tempbuf,
5d73fad1 2185 dev->devtype->tempbuf_size, "tempbuf",
f61c0b14 2186 dev->debugfs_root);
5677e3b0
PZ		 2187 if (ret < 0) {
2188 dev_err(&pdev->dev, "failed to allocate temp buffer\n");
b7bd660a 2189 goto err_v4l2_register;
5677e3b0 2190 }
186b250a
JM		 2191 }
2192
401e972f 2193 dev->iram.size = dev->devtype->iram_size;
b313bcc9
PZ		 2194 dev->iram.vaddr = gen_pool_dma_alloc(dev->iram_pool, dev->iram.size,
2195 &dev->iram.paddr);
2196 if (!dev->iram.vaddr) {
8be31c89
PZ		 2197 dev_warn(&pdev->dev, "unable to alloc iram\n");
2198 } else {
811a6934 2199 memset(dev->iram.vaddr, 0, dev->iram.size);
8be31c89
PZ		 2200 dev->iram.blob.data = dev->iram.vaddr;
2201 dev->iram.blob.size = dev->iram.size;
2202 dev->iram.dentry = debugfs_create_blob("iram", 0644,
2203 dev->debugfs_root,
2204 &dev->iram.blob);
1043667b
PZ		 2205 }
2206
32b6f206
PZ		 2207 dev->workqueue = alloc_workqueue("coda", WQ_UNBOUND | WQ_MEM_RECLAIM, 1);
2208 if (!dev->workqueue) {
2209 dev_err(&pdev->dev, "unable to alloc workqueue\n");
74d08d55
FE		 2210 ret = -ENOMEM;
2211 goto err_v4l2_register;
32b6f206
PZ		 2212 }
2213
186b250a
JM		 2214 platform_set_drvdata(pdev, dev);
2215
c5d28e29
UH		 2216 /*
2217 * Start activated so we can directly call coda_hw_init in
e243c7c1 2218 * coda_fw_callback regardless of whether CONFIG_PM is
c5d28e29
UH		 2219 * enabled or whether the device is associated with a PM domain.
2220 */
2221 pm_runtime_get_noresume(&pdev->dev);
2222 pm_runtime_set_active(&pdev->dev);
1e172731
PZ		 2223 pm_runtime_enable(&pdev->dev);
2224
186b250a 2225 return coda_firmware_request(dev);
b7bd660a
FE		 2226
2227err_v4l2_register:
2228 v4l2_device_unregister(&dev->v4l2_dev);
2229 return ret;
186b250a
JM		 2230}
2231
2232static int coda_remove(struct platform_device *pdev)
2233{
2234 struct coda_dev *dev = platform_get_drvdata(pdev);
2c11d1bd 2235 int i;
186b250a 2236
2c11d1bd
PZ		 2237 for (i = 0; i < ARRAY_SIZE(dev->vfd); i++) {
2238 if (video_get_drvdata(&dev->vfd[i]))
2239 video_unregister_device(&dev->vfd[i]);
2240 }
186b250a
JM		 2241 if (dev->m2m_dev)
2242 v4l2_m2m_release(dev->m2m_dev);
1e172731 2243 pm_runtime_disable(&pdev->dev);
186b250a
JM		 2244 if (dev->alloc_ctx)
2245 vb2_dma_contig_cleanup_ctx(dev->alloc_ctx);
2246 v4l2_device_unregister(&dev->v4l2_dev);
32b6f206 2247 destroy_workqueue(dev->workqueue);
b313bcc9
PZ		 2248 if (dev->iram.vaddr)
2249 gen_pool_free(dev->iram_pool, (unsigned long)dev->iram.vaddr,
2250 dev->iram.size);
5677e3b0
PZ		 2251 coda_free_aux_buf(dev, &dev->codebuf);
2252 coda_free_aux_buf(dev, &dev->tempbuf);
2253 coda_free_aux_buf(dev, &dev->workbuf);
f61c0b14 2254 debugfs_remove_recursive(dev->debugfs_root);
186b250a
JM		 2255 return 0;
2256}
2257
e243c7c1 2258#ifdef CONFIG_PM
1e172731
PZ		 2259static int coda_runtime_resume(struct device *dev)
2260{
2261 struct coda_dev *cdev = dev_get_drvdata(dev);
2262 int ret = 0;
2263
65919e6b 2264 if (dev->pm_domain && cdev->codebuf.vaddr) {
1e172731
PZ		 2265 ret = coda_hw_init(cdev);
2266 if (ret)
2267 v4l2_err(&cdev->v4l2_dev, "HW initialization failed\n");
2268 }
2269
2270 return ret;
2271}
2272#endif
2273
2274static const struct dev_pm_ops coda_pm_ops = {
2275 SET_RUNTIME_PM_OPS(NULL, coda_runtime_resume, NULL)
2276};
2277
186b250a
JM		 2278static struct platform_driver coda_driver = {
2279 .probe = coda_probe,
4c62e976 2280 .remove = coda_remove,
186b250a
JM		 2281 .driver = {
2282 .name = CODA_NAME,
186b250a 2283 .of_match_table = of_match_ptr(coda_dt_ids),
1e172731 2284 .pm = &coda_pm_ops,
186b250a
JM		 2285 },
2286 .id_table = coda_platform_ids,
2287};
2288
2289module_platform_driver(coda_driver);
2290
2291MODULE_LICENSE("GPL");
2292MODULE_AUTHOR("Javier Martin <javier.martin@vista-silicon.com>");
2293MODULE_DESCRIPTION("Coda multi-standard codec V4L2 driver");
Linux kernel - Deliverables
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