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[media] coda: make seq_end_work optional
[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;
184 u32 src_formats[CODA_MAX_FORMATS];
185 u32 dst_formats[CODA_MAX_FORMATS];
186};
187
188static const struct coda_video_device coda_bit_encoder = {
189 .name = "coda-encoder",
190 .type = CODA_INST_ENCODER,
191 .ops = &coda_bit_encode_ops,
192 .src_formats = {
193 V4L2_PIX_FMT_YUV420,
194 V4L2_PIX_FMT_YVU420,
195 V4L2_PIX_FMT_NV12,
196 },
197 .dst_formats = {
198 V4L2_PIX_FMT_H264,
199 V4L2_PIX_FMT_MPEG4,
200 },
201};
202
cb1d3a33
PZ		 203static const struct coda_video_device coda_bit_jpeg_encoder = {
204 .name = "coda-jpeg-encoder",
205 .type = CODA_INST_ENCODER,
206 .ops = &coda_bit_encode_ops,
207 .src_formats = {
208 V4L2_PIX_FMT_YUV420,
209 V4L2_PIX_FMT_YVU420,
210 V4L2_PIX_FMT_NV12,
211 V4L2_PIX_FMT_YUV422P,
212 },
213 .dst_formats = {
214 V4L2_PIX_FMT_JPEG,
215 },
216};
217
2c11d1bd
PZ		 218static const struct coda_video_device coda_bit_decoder = {
219 .name = "coda-decoder",
220 .type = CODA_INST_DECODER,
221 .ops = &coda_bit_decode_ops,
222 .src_formats = {
223 V4L2_PIX_FMT_H264,
224 V4L2_PIX_FMT_MPEG4,
225 },
226 .dst_formats = {
227 V4L2_PIX_FMT_YUV420,
228 V4L2_PIX_FMT_YVU420,
229 V4L2_PIX_FMT_NV12,
230 },
231};
232
cb1d3a33
PZ		 233static const struct coda_video_device coda_bit_jpeg_decoder = {
234 .name = "coda-jpeg-decoder",
235 .type = CODA_INST_DECODER,
236 .ops = &coda_bit_decode_ops,
237 .src_formats = {
238 V4L2_PIX_FMT_JPEG,
239 },
240 .dst_formats = {
241 V4L2_PIX_FMT_YUV420,
242 V4L2_PIX_FMT_YVU420,
243 V4L2_PIX_FMT_NV12,
244 V4L2_PIX_FMT_YUV422P,
245 },
246};
247
2c11d1bd
PZ		 248static const struct coda_video_device *codadx6_video_devices[] = {
249 &coda_bit_encoder,
250};
251
252static const struct coda_video_device *coda7_video_devices[] = {
cb1d3a33
PZ		 253 &coda_bit_jpeg_encoder,
254 &coda_bit_jpeg_decoder,
2c11d1bd
PZ		 255 &coda_bit_encoder,
256 &coda_bit_decoder,
257};
258
259static const struct coda_video_device *coda9_video_devices[] = {
260 &coda_bit_encoder,
261 &coda_bit_decoder,
262};
263
b96904e5
PZ		 264static bool coda_format_is_yuv(u32 fourcc)
265{
266 switch (fourcc) {
267 case V4L2_PIX_FMT_YUV420:
268 case V4L2_PIX_FMT_YVU420:
1cb12cf3 269 case V4L2_PIX_FMT_NV12:
4de69319 270 case V4L2_PIX_FMT_YUV422P:
b96904e5
PZ		 271 return true;
272 default:
273 return false;
274 }
275}
276
2c11d1bd
PZ		 277static const char *coda_format_name(u32 fourcc)
278{
279 int i;
280
281 for (i = 0; i < ARRAY_SIZE(coda_formats); i++) {
282 if (coda_formats[i].fourcc == fourcc)
283 return coda_formats[i].name;
284 }
285
286 return NULL;
287}
288
b96904e5
PZ		 289/*
290 * Normalize all supported YUV 4:2:0 formats to the value used in the codec
291 * tables.
292 */
293static u32 coda_format_normalize_yuv(u32 fourcc)
294{
295 return coda_format_is_yuv(fourcc) ? V4L2_PIX_FMT_YUV420 : fourcc;
296}
297
814c3762
PZ		 298static const struct coda_codec *coda_find_codec(struct coda_dev *dev,
299 int src_fourcc, int dst_fourcc)
186b250a 300{
814c3762 301 const struct coda_codec *codecs = dev->devtype->codecs;
b96904e5
PZ		 302 int num_codecs = dev->devtype->num_codecs;
303 int k;
304
305 src_fourcc = coda_format_normalize_yuv(src_fourcc);
306 dst_fourcc = coda_format_normalize_yuv(dst_fourcc);
307 if (src_fourcc == dst_fourcc)
308 return NULL;
186b250a 309
b96904e5
PZ		 310 for (k = 0; k < num_codecs; k++) {
311 if (codecs[k].src_fourcc == src_fourcc &&
312 codecs[k].dst_fourcc == dst_fourcc)
186b250a
JM		 313 break;
314 }
315
b96904e5 316 if (k == num_codecs)
186b250a
JM		 317 return NULL;
318
b96904e5 319 return &codecs[k];
186b250a
JM		 320}
321
57625593 322static void coda_get_max_dimensions(struct coda_dev *dev,
814c3762 323 const struct coda_codec *codec,
57625593
PZ		 324 int *max_w, int *max_h)
325{
814c3762 326 const struct coda_codec *codecs = dev->devtype->codecs;
57625593
PZ		 327 int num_codecs = dev->devtype->num_codecs;
328 unsigned int w, h;
329 int k;
330
331 if (codec) {
332 w = codec->max_w;
333 h = codec->max_h;
334 } else {
335 for (k = 0, w = 0, h = 0; k < num_codecs; k++) {
336 w = max(w, codecs[k].max_w);
337 h = max(h, codecs[k].max_h);
338 }
339 }
340
341 if (max_w)
342 *max_w = w;
343 if (max_h)
344 *max_h = h;
345}
346
2c11d1bd
PZ		 347const struct coda_video_device *to_coda_video_device(struct video_device *vdev)
348{
349 struct coda_dev *dev = video_get_drvdata(vdev);
350 unsigned int i = vdev - dev->vfd;
351
352 if (i >= dev->devtype->num_vdevs)
353 return NULL;
354
355 return dev->devtype->vdevs[i];
356}
357
79924ca9 358const char *coda_product_name(int product)
927933f7
PZ		 359{
360 static char buf[9];
361
362 switch (product) {
363 case CODA_DX6:
364 return "CodaDx6";
365 case CODA_7541:
366 return "CODA7541";
89548441
PZ		 367 case CODA_960:
368 return "CODA960";
927933f7
PZ		 369 default:
370 snprintf(buf, sizeof(buf), "(0x%04x)", product);
371 return buf;
372 }
373}
374
186b250a
JM		 375/*
376 * V4L2 ioctl() operations.
377 */
2e9e4f11
PZ		 378static int coda_querycap(struct file *file, void *priv,
379 struct v4l2_capability *cap)
186b250a 380{
927933f7
PZ		 381 struct coda_ctx *ctx = fh_to_ctx(priv);
382
186b250a 383 strlcpy(cap->driver, CODA_NAME, sizeof(cap->driver));
927933f7
PZ		 384 strlcpy(cap->card, coda_product_name(ctx->dev->devtype->product),
385 sizeof(cap->card));
dad0e1ce 386 strlcpy(cap->bus_info, "platform:" CODA_NAME, sizeof(cap->bus_info));
3898e7a7 387 cap->device_caps = V4L2_CAP_VIDEO_M2M | V4L2_CAP_STREAMING;
186b250a
JM		 388 cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS;
389
390 return 0;
391}
392
22e244b8
PZ		 393static int coda_enum_fmt(struct file *file, void *priv,
394 struct v4l2_fmtdesc *f)
186b250a 395{
2c11d1bd
PZ		 396 struct video_device *vdev = video_devdata(file);
397 const struct coda_video_device *cvd = to_coda_video_device(vdev);
398 const u32 *formats;
399 const char *name;
400
401 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT)
402 formats = cvd->src_formats;
403 else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE)
404 formats = cvd->dst_formats;
22e244b8 405 else
2c11d1bd 406 return -EINVAL;
186b250a 407
2c11d1bd
PZ		 408 if (f->index >= CODA_MAX_FORMATS || formats[f->index] == 0)
409 return -EINVAL;
410
411 name = coda_format_name(formats[f->index]);
412 strlcpy(f->description, name, sizeof(f->description));
413 f->pixelformat = formats[f->index];
414 if (!coda_format_is_yuv(formats[f->index]))
415 f->flags |= V4L2_FMT_FLAG_COMPRESSED;
186b250a 416
2c11d1bd 417 return 0;
186b250a
JM		 418}
419
2e9e4f11
PZ		 420static int coda_g_fmt(struct file *file, void *priv,
421 struct v4l2_format *f)
186b250a 422{
186b250a
JM		 423 struct coda_q_data *q_data;
424 struct coda_ctx *ctx = fh_to_ctx(priv);
425
186b250a 426 q_data = get_q_data(ctx, f->type);
b9736299
PZ		 427 if (!q_data)
428 return -EINVAL;
186b250a
JM		 429
430 f->fmt.pix.field = V4L2_FIELD_NONE;
b96904e5 431 f->fmt.pix.pixelformat = q_data->fourcc;
186b250a
JM		 432 f->fmt.pix.width = q_data->width;
433 f->fmt.pix.height = q_data->height;
2fd6a370 434 f->fmt.pix.bytesperline = q_data->bytesperline;
186b250a
JM		 435
436 f->fmt.pix.sizeimage = q_data->sizeimage;
cb1d3a33
PZ		 437 if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_JPEG)
438 f->fmt.pix.colorspace = V4L2_COLORSPACE_JPEG;
439 else
440 f->fmt.pix.colorspace = ctx->colorspace;
186b250a
JM		 441
442 return 0;
443}
444
2c11d1bd
PZ		 445static int coda_try_pixelformat(struct coda_ctx *ctx, struct v4l2_format *f)
446{
447 struct coda_q_data *q_data;
448 const u32 *formats;
449 int i;
450
451 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT)
452 formats = ctx->cvd->src_formats;
453 else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE)
454 formats = ctx->cvd->dst_formats;
455 else
456 return -EINVAL;
457
458 for (i = 0; i < CODA_MAX_FORMATS; i++) {
459 if (formats[i] == f->fmt.pix.pixelformat) {
460 f->fmt.pix.pixelformat = formats[i];
461 return 0;
462 }
463 }
464
465 /* Fall back to currently set pixelformat */
466 q_data = get_q_data(ctx, f->type);
467 f->fmt.pix.pixelformat = q_data->fourcc;
186b250a
JM		 468
469 return 0;
470}
471
8e428d50
PZ		 472static unsigned int coda_estimate_sizeimage(struct coda_ctx *ctx, u32 sizeimage,
473 u32 width, u32 height)
474{
475 /*
476 * This is a rough estimate for sensible compressed buffer
477 * sizes (between 1 and 16 bits per pixel). This could be
478 * improved by better format specific worst case estimates.
479 */
480 return round_up(clamp(sizeimage, width * height / 8,
481 width * height * 2), PAGE_SIZE);
482}
483
814c3762 484static int coda_try_fmt(struct coda_ctx *ctx, const struct coda_codec *codec,
57625593 485 struct v4l2_format *f)
186b250a 486{
57625593 487 struct coda_dev *dev = ctx->dev;
b96904e5 488 unsigned int max_w, max_h;
186b250a
JM		 489 enum v4l2_field field;
490
491 field = f->fmt.pix.field;
492 if (field == V4L2_FIELD_ANY)
493 field = V4L2_FIELD_NONE;
494 else if (V4L2_FIELD_NONE != field)
495 return -EINVAL;
496
497 /* V4L2 specification suggests the driver corrects the format struct
498 * if any of the dimensions is unsupported */
499 f->fmt.pix.field = field;
500
57625593
PZ		 501 coda_get_max_dimensions(dev, codec, &max_w, &max_h);
502 v4l_bound_align_image(&f->fmt.pix.width, MIN_W, max_w, W_ALIGN,
503 &f->fmt.pix.height, MIN_H, max_h, H_ALIGN,
504 S_ALIGN);
505
506 switch (f->fmt.pix.pixelformat) {
507 case V4L2_PIX_FMT_YUV420:
508 case V4L2_PIX_FMT_YVU420:
1cb12cf3 509 case V4L2_PIX_FMT_NV12:
cb1d3a33
PZ		 510 /*
511 * Frame stride must be at least multiple of 8,
512 * but multiple of 16 for h.264 or JPEG 4:2:x
513 */
451dfe5d 514 f->fmt.pix.bytesperline = round_up(f->fmt.pix.width, 16);
47cf0c61 515 f->fmt.pix.sizeimage = f->fmt.pix.bytesperline *
451d43ad 516 f->fmt.pix.height * 3 / 2;
57625593 517 break;
4de69319
PZ		 518 case V4L2_PIX_FMT_YUV422P:
519 f->fmt.pix.bytesperline = round_up(f->fmt.pix.width, 16);
520 f->fmt.pix.sizeimage = f->fmt.pix.bytesperline *
521 f->fmt.pix.height * 2;
522 break;
cb1d3a33
PZ		 523 case V4L2_PIX_FMT_JPEG:
524 f->fmt.pix.colorspace = V4L2_COLORSPACE_JPEG;
525 /* fallthrough */
57625593
PZ		 526 case V4L2_PIX_FMT_H264:
527 case V4L2_PIX_FMT_MPEG4:
186b250a 528 f->fmt.pix.bytesperline = 0;
8e428d50
PZ		 529 f->fmt.pix.sizeimage = coda_estimate_sizeimage(ctx,
530 f->fmt.pix.sizeimage,
531 f->fmt.pix.width,
532 f->fmt.pix.height);
57625593
PZ		 533 break;
534 default:
535 BUG();
186b250a
JM		 536 }
537
538 return 0;
539}
540
2e9e4f11
PZ		 541static int coda_try_fmt_vid_cap(struct file *file, void *priv,
542 struct v4l2_format *f)
186b250a 543{
186b250a 544 struct coda_ctx *ctx = fh_to_ctx(priv);
2c11d1bd
PZ		 545 const struct coda_q_data *q_data_src;
546 const struct coda_codec *codec;
918c66fd
PZ		 547 struct vb2_queue *src_vq;
548 int ret;
549
2c11d1bd
PZ		 550 ret = coda_try_pixelformat(ctx, f);
551 if (ret < 0)
552 return ret;
553
554 q_data_src = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
555
918c66fd 556 /*
2c11d1bd
PZ		 557 * If the source format is already fixed, only allow the same output
558 * resolution
918c66fd 559 */
14604e3a 560 src_vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
918c66fd 561 if (vb2_is_streaming(src_vq)) {
91b5841e
PZ		 562 f->fmt.pix.width = q_data_src->width;
563 f->fmt.pix.height = q_data_src->height;
918c66fd 564 }
186b250a
JM		 565
566 f->fmt.pix.colorspace = ctx->colorspace;
567
2c11d1bd
PZ		 568 q_data_src = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
569 codec = coda_find_codec(ctx->dev, q_data_src->fourcc,
570 f->fmt.pix.pixelformat);
571 if (!codec)
572 return -EINVAL;
573
57625593 574 ret = coda_try_fmt(ctx, codec, f);
918c66fd
PZ		 575 if (ret < 0)
576 return ret;
577
578 /* The h.264 decoder only returns complete 16x16 macroblocks */
579 if (codec && codec->src_fourcc == V4L2_PIX_FMT_H264) {
1b0ed7be 580 f->fmt.pix.width = f->fmt.pix.width;
918c66fd 581 f->fmt.pix.height = round_up(f->fmt.pix.height, 16);
1b0ed7be 582 f->fmt.pix.bytesperline = round_up(f->fmt.pix.width, 16);
918c66fd
PZ		 583 f->fmt.pix.sizeimage = f->fmt.pix.bytesperline *
584 f->fmt.pix.height * 3 / 2;
585 }
586
587 return 0;
186b250a
JM		 588}
589
2e9e4f11
PZ		 590static int coda_try_fmt_vid_out(struct file *file, void *priv,
591 struct v4l2_format *f)
186b250a
JM		 592{
593 struct coda_ctx *ctx = fh_to_ctx(priv);
2c11d1bd
PZ		 594 struct coda_dev *dev = ctx->dev;
595 const struct coda_q_data *q_data_dst;
596 const struct coda_codec *codec;
597 int ret;
186b250a 598
2c11d1bd
PZ		 599 ret = coda_try_pixelformat(ctx, f);
600 if (ret < 0)
601 return ret;
186b250a 602
5f9826e8
PZ		 603 switch (f->fmt.pix.colorspace) {
604 case V4L2_COLORSPACE_REC709:
605 case V4L2_COLORSPACE_JPEG:
606 break;
607 default:
cb1d3a33
PZ		 608 if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_JPEG)
609 f->fmt.pix.colorspace = V4L2_COLORSPACE_JPEG;
610 else
611 f->fmt.pix.colorspace = V4L2_COLORSPACE_REC709;
4f31ff01 612 }
186b250a 613
2c11d1bd
PZ		 614 q_data_dst = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
615 codec = coda_find_codec(dev, f->fmt.pix.pixelformat, q_data_dst->fourcc);
186b250a 616
57625593 617 return coda_try_fmt(ctx, codec, f);
186b250a
JM		 618}
619
2e9e4f11 620static int coda_s_fmt(struct coda_ctx *ctx, struct v4l2_format *f)
186b250a
JM		 621{
622 struct coda_q_data *q_data;
623 struct vb2_queue *vq;
186b250a 624
14604e3a 625 vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, f->type);
186b250a
JM		 626 if (!vq)
627 return -EINVAL;
628
629 q_data = get_q_data(ctx, f->type);
630 if (!q_data)
631 return -EINVAL;
632
633 if (vb2_is_busy(vq)) {
634 v4l2_err(&ctx->dev->v4l2_dev, "%s queue busy\n", __func__);
635 return -EBUSY;
636 }
637
b96904e5 638 q_data->fourcc = f->fmt.pix.pixelformat;
186b250a
JM		 639 q_data->width = f->fmt.pix.width;
640 q_data->height = f->fmt.pix.height;
2fd6a370 641 q_data->bytesperline = f->fmt.pix.bytesperline;
451d43ad 642 q_data->sizeimage = f->fmt.pix.sizeimage;
52c41676
PZ		 643 q_data->rect.left = 0;
644 q_data->rect.top = 0;
645 q_data->rect.width = f->fmt.pix.width;
646 q_data->rect.height = f->fmt.pix.height;
186b250a
JM		 647
648 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
649 "Setting format for type %d, wxh: %dx%d, fmt: %d\n",
b96904e5 650 f->type, q_data->width, q_data->height, q_data->fourcc);
186b250a
JM		 651
652 return 0;
653}
654
2e9e4f11
PZ		 655static int coda_s_fmt_vid_cap(struct file *file, void *priv,
656 struct v4l2_format *f)
186b250a 657{
b96904e5 658 struct coda_ctx *ctx = fh_to_ctx(priv);
186b250a
JM		 659 int ret;
660
2e9e4f11 661 ret = coda_try_fmt_vid_cap(file, priv, f);
186b250a
JM		 662 if (ret)
663 return ret;
664
2e9e4f11 665 return coda_s_fmt(ctx, f);
186b250a
JM		 666}
667
2e9e4f11
PZ		 668static int coda_s_fmt_vid_out(struct file *file, void *priv,
669 struct v4l2_format *f)
186b250a
JM		 670{
671 struct coda_ctx *ctx = fh_to_ctx(priv);
f95a6ce1 672 struct v4l2_format f_cap;
186b250a
JM		 673 int ret;
674
2e9e4f11 675 ret = coda_try_fmt_vid_out(file, priv, f);
186b250a
JM		 676 if (ret)
677 return ret;
678
2e9e4f11 679 ret = coda_s_fmt(ctx, f);
186b250a 680 if (ret)
2dc546d0
PZ		 681 return ret;
682
683 ctx->colorspace = f->fmt.pix.colorspace;
186b250a 684
1c2f6a99 685 memset(&f_cap, 0, sizeof(f_cap));
f95a6ce1
PZ		 686 f_cap.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
687 coda_g_fmt(file, priv, &f_cap);
688 f_cap.fmt.pix.width = f->fmt.pix.width;
689 f_cap.fmt.pix.height = f->fmt.pix.height;
690
691 ret = coda_try_fmt_vid_cap(file, priv, &f_cap);
692 if (ret)
693 return ret;
694
695 return coda_s_fmt(ctx, &f_cap);
186b250a
JM		 696}
697
2e9e4f11
PZ		 698static int coda_qbuf(struct file *file, void *priv,
699 struct v4l2_buffer *buf)
186b250a
JM		 700{
701 struct coda_ctx *ctx = fh_to_ctx(priv);
702
14604e3a 703 return v4l2_m2m_qbuf(file, ctx->fh.m2m_ctx, buf);
186b250a
JM		 704}
705
918c66fd
PZ		 706static bool coda_buf_is_end_of_stream(struct coda_ctx *ctx,
707 struct v4l2_buffer *buf)
708{
709 struct vb2_queue *src_vq;
710
14604e3a 711 src_vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
918c66fd
PZ		 712
713 return ((ctx->bit_stream_param & CODA_BIT_STREAM_END_FLAG) &&
714 (buf->sequence == (ctx->qsequence - 1)));
715}
716
2e9e4f11
PZ		 717static int coda_dqbuf(struct file *file, void *priv,
718 struct v4l2_buffer *buf)
186b250a
JM		 719{
720 struct coda_ctx *ctx = fh_to_ctx(priv);
918c66fd
PZ		 721 int ret;
722
14604e3a 723 ret = v4l2_m2m_dqbuf(file, ctx->fh.m2m_ctx, buf);
186b250a 724
918c66fd
PZ		 725 /* If this is the last capture buffer, emit an end-of-stream event */
726 if (buf->type == V4L2_BUF_TYPE_VIDEO_CAPTURE &&
727 coda_buf_is_end_of_stream(ctx, buf)) {
728 const struct v4l2_event eos_event = {
729 .type = V4L2_EVENT_EOS
730 };
731
732 v4l2_event_queue_fh(&ctx->fh, &eos_event);
733 }
734
735 return ret;
186b250a
JM		 736}
737
52c41676
PZ		 738static int coda_g_selection(struct file *file, void *fh,
739 struct v4l2_selection *s)
740{
741 struct coda_ctx *ctx = fh_to_ctx(fh);
742 struct coda_q_data *q_data;
743 struct v4l2_rect r, *rsel;
744
745 q_data = get_q_data(ctx, s->type);
746 if (!q_data)
747 return -EINVAL;
748
749 r.left = 0;
750 r.top = 0;
751 r.width = q_data->width;
752 r.height = q_data->height;
753 rsel = &q_data->rect;
754
755 switch (s->target) {
756 case V4L2_SEL_TGT_CROP_DEFAULT:
757 case V4L2_SEL_TGT_CROP_BOUNDS:
758 rsel = &r;
759 /* fallthrough */
760 case V4L2_SEL_TGT_CROP:
761 if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
762 return -EINVAL;
763 break;
764 case V4L2_SEL_TGT_COMPOSE_BOUNDS:
765 case V4L2_SEL_TGT_COMPOSE_PADDED:
766 rsel = &r;
767 /* fallthrough */
768 case V4L2_SEL_TGT_COMPOSE:
769 case V4L2_SEL_TGT_COMPOSE_DEFAULT:
770 if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
771 return -EINVAL;
772 break;
773 default:
774 return -EINVAL;
775 }
776
777 s->r = *rsel;
778
779 return 0;
780}
781
64ba40ac
PZ		 782static int coda_try_decoder_cmd(struct file *file, void *fh,
783 struct v4l2_decoder_cmd *dc)
918c66fd 784{
918c66fd
PZ		 785 if (dc->cmd != V4L2_DEC_CMD_STOP)
786 return -EINVAL;
787
64ba40ac 788 if (dc->flags & V4L2_DEC_CMD_STOP_TO_BLACK)
918c66fd
PZ		 789 return -EINVAL;
790
64ba40ac 791 if (!(dc->flags & V4L2_DEC_CMD_STOP_IMMEDIATELY) && (dc->stop.pts != 0))
918c66fd
PZ		 792 return -EINVAL;
793
64ba40ac
PZ		 794 return 0;
795}
796
797static int coda_decoder_cmd(struct file *file, void *fh,
798 struct v4l2_decoder_cmd *dc)
799{
800 struct coda_ctx *ctx = fh_to_ctx(fh);
801 int ret;
802
803 ret = coda_try_decoder_cmd(file, fh, dc);
804 if (ret < 0)
805 return ret;
806
807 /* Ignore decoder stop command silently in encoder context */
918c66fd 808 if (ctx->inst_type != CODA_INST_DECODER)
64ba40ac 809 return 0;
918c66fd 810
347bb7f0
PZ		 811 /* Set the stream-end flag on this context */
812 coda_bit_stream_end_flag(ctx);
84e2365d 813 ctx->hold = false;
f3497dad 814 v4l2_m2m_try_schedule(ctx->fh.m2m_ctx);
89548441 815
918c66fd
PZ		 816 return 0;
817}
818
2e9e4f11
PZ		 819static int coda_subscribe_event(struct v4l2_fh *fh,
820 const struct v4l2_event_subscription *sub)
918c66fd
PZ		 821{
822 switch (sub->type) {
823 case V4L2_EVENT_EOS:
824 return v4l2_event_subscribe(fh, sub, 0, NULL);
825 default:
826 return v4l2_ctrl_subscribe_event(fh, sub);
827 }
186b250a
JM		 828}
829
830static const struct v4l2_ioctl_ops coda_ioctl_ops = {
2e9e4f11 831 .vidioc_querycap = coda_querycap,
186b250a 832
22e244b8 833 .vidioc_enum_fmt_vid_cap = coda_enum_fmt,
2e9e4f11
PZ		 834 .vidioc_g_fmt_vid_cap = coda_g_fmt,
835 .vidioc_try_fmt_vid_cap = coda_try_fmt_vid_cap,
836 .vidioc_s_fmt_vid_cap = coda_s_fmt_vid_cap,
186b250a 837
22e244b8 838 .vidioc_enum_fmt_vid_out = coda_enum_fmt,
2e9e4f11
PZ		 839 .vidioc_g_fmt_vid_out = coda_g_fmt,
840 .vidioc_try_fmt_vid_out = coda_try_fmt_vid_out,
841 .vidioc_s_fmt_vid_out = coda_s_fmt_vid_out,
186b250a 842
152ea1c8
PZ		 843 .vidioc_reqbufs = v4l2_m2m_ioctl_reqbufs,
844 .vidioc_querybuf = v4l2_m2m_ioctl_querybuf,
186b250a 845
2e9e4f11 846 .vidioc_qbuf = coda_qbuf,
152ea1c8 847 .vidioc_expbuf = v4l2_m2m_ioctl_expbuf,
2e9e4f11 848 .vidioc_dqbuf = coda_dqbuf,
152ea1c8 849 .vidioc_create_bufs = v4l2_m2m_ioctl_create_bufs,
186b250a 850
152ea1c8
PZ		 851 .vidioc_streamon = v4l2_m2m_ioctl_streamon,
852 .vidioc_streamoff = v4l2_m2m_ioctl_streamoff,
918c66fd 853
52c41676
PZ		 854 .vidioc_g_selection = coda_g_selection,
855
64ba40ac 856 .vidioc_try_decoder_cmd = coda_try_decoder_cmd,
2e9e4f11 857 .vidioc_decoder_cmd = coda_decoder_cmd,
918c66fd 858
2e9e4f11 859 .vidioc_subscribe_event = coda_subscribe_event,
918c66fd 860 .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
186b250a
JM		 861};
862
79924ca9 863void coda_set_gdi_regs(struct coda_ctx *ctx)
89548441
PZ		 864{
865 struct gdi_tiled_map *tiled_map = &ctx->tiled_map;
866 struct coda_dev *dev = ctx->dev;
867 int i;
868
869 for (i = 0; i < 16; i++)
870 coda_write(dev, tiled_map->xy2ca_map[i],
871 CODA9_GDI_XY2_CAS_0 + 4 * i);
872 for (i = 0; i < 4; i++)
873 coda_write(dev, tiled_map->xy2ba_map[i],
874 CODA9_GDI_XY2_BA_0 + 4 * i);
875 for (i = 0; i < 16; i++)
876 coda_write(dev, tiled_map->xy2ra_map[i],
877 CODA9_GDI_XY2_RAS_0 + 4 * i);
878 coda_write(dev, tiled_map->xy2rbc_config, CODA9_GDI_XY2_RBC_CONFIG);
879 for (i = 0; i < 32; i++)
880 coda_write(dev, tiled_map->rbc2axi_map[i],
881 CODA9_GDI_RBC2_AXI_0 + 4 * i);
882}
883
186b250a
JM		 884/*
885 * Mem-to-mem operations.
886 */
477c1cfe
PZ		 887
888static void coda_device_run(void *m2m_priv)
889{
890 struct coda_ctx *ctx = m2m_priv;
891 struct coda_dev *dev = ctx->dev;
32b6f206
PZ		 892
893 queue_work(dev->workqueue, &ctx->pic_run_work);
894}
895
32b6f206
PZ		 896static void coda_pic_run_work(struct work_struct *work)
897{
898 struct coda_ctx *ctx = container_of(work, struct coda_ctx, pic_run_work);
899 struct coda_dev *dev = ctx->dev;
900 int ret;
901
902 mutex_lock(&ctx->buffer_mutex);
918c66fd
PZ		 903 mutex_lock(&dev->coda_mutex);
904
a1192a17
PZ		 905 ret = ctx->ops->prepare_run(ctx);
906 if (ret < 0 && ctx->inst_type == CODA_INST_DECODER) {
907 mutex_unlock(&dev->coda_mutex);
908 mutex_unlock(&ctx->buffer_mutex);
909 /* job_finish scheduled by prepare_decode */
910 return;
1043667b
PZ		 911 }
912
f23797b6
PZ		 913 if (!wait_for_completion_timeout(&ctx->completion,
914 msecs_to_jiffies(1000))) {
32b6f206 915 dev_err(&dev->plat_dev->dev, "CODA PIC_RUN timeout\n");
84e2365d
PZ		 916
917 ctx->hold = true;
8f45284c
PZ		 918
919 coda_hw_reset(ctx);
32b6f206 920 } else if (!ctx->aborting) {
a1192a17 921 ctx->ops->finish_run(ctx);
32b6f206
PZ		 922 }
923
747d7646
PZ		 924 if ((ctx->aborting || (!ctx->streamon_cap && !ctx->streamon_out)) &&
925 ctx->ops->seq_end_work)
32b6f206
PZ		 926 queue_work(dev->workqueue, &ctx->seq_end_work);
927
928 mutex_unlock(&dev->coda_mutex);
929 mutex_unlock(&ctx->buffer_mutex);
930
14604e3a 931 v4l2_m2m_job_finish(ctx->dev->m2m_dev, ctx->fh.m2m_ctx);
186b250a
JM		 932}
933
934static int coda_job_ready(void *m2m_priv)
935{
936 struct coda_ctx *ctx = m2m_priv;
937
938 /*
939 * For both 'P' and 'key' frame cases 1 picture
9082a7c6
PZ		 940 * and 1 frame are needed. In the decoder case,
941 * the compressed frame can be in the bitstream.
186b250a 942 */
14604e3a 943 if (!v4l2_m2m_num_src_bufs_ready(ctx->fh.m2m_ctx) &&
9082a7c6 944 ctx->inst_type != CODA_INST_DECODER) {
186b250a
JM		 945 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
946 "not ready: not enough video buffers.\n");
947 return 0;
948 }
949
14604e3a 950 if (!v4l2_m2m_num_dst_bufs_ready(ctx->fh.m2m_ctx)) {
9082a7c6
PZ		 951 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
952 "not ready: not enough video capture buffers.\n");
953 return 0;
954 }
955
f77fd8a9
PZ		 956 if (ctx->inst_type == CODA_INST_DECODER) {
957 struct list_head *meta;
958 bool stream_end;
959 int num_metas;
960 int src_bufs;
961
962 if (ctx->hold && !v4l2_m2m_num_src_bufs_ready(ctx->fh.m2m_ctx)) {
963 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
964 "%d: not ready: on hold for more buffers.\n",
965 ctx->idx);
966 return 0;
967 }
968
969 stream_end = ctx->bit_stream_param &
970 CODA_BIT_STREAM_END_FLAG;
971
972 num_metas = 0;
973 list_for_each(meta, &ctx->buffer_meta_list)
974 num_metas++;
975
976 src_bufs = v4l2_m2m_num_src_bufs_ready(ctx->fh.m2m_ctx);
977
978 if (!stream_end && (num_metas + src_bufs) < 2) {
979 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
980 "%d: not ready: need 2 buffers available (%d, %d)\n",
981 ctx->idx, num_metas, src_bufs);
982 return 0;
983 }
984
985
986 if (!v4l2_m2m_num_src_bufs_ready(ctx->fh.m2m_ctx) &&
987 !stream_end && (coda_get_bitstream_payload(ctx) < 512)) {
988 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
989 "%d: not ready: not enough bitstream data (%d).\n",
990 ctx->idx, coda_get_bitstream_payload(ctx));
991 return 0;
992 }
918c66fd
PZ		 993 }
994
3e748268
PZ		 995 if (ctx->aborting) {
996 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
997 "not ready: aborting\n");
998 return 0;
999 }
1000
186b250a
JM		 1001 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
1002 "job ready\n");
1003 return 1;
1004}
1005
1006static void coda_job_abort(void *priv)
1007{
1008 struct coda_ctx *ctx = priv;
186b250a
JM		 1009
1010 ctx->aborting = 1;
1011
1012 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
1013 "Aborting task\n");
186b250a
JM		 1014}
1015
1016static void coda_lock(void *m2m_priv)
1017{
1018 struct coda_ctx *ctx = m2m_priv;
1019 struct coda_dev *pcdev = ctx->dev;
f23797b6 1020
186b250a
JM		 1021 mutex_lock(&pcdev->dev_mutex);
1022}
1023
1024static void coda_unlock(void *m2m_priv)
1025{
1026 struct coda_ctx *ctx = m2m_priv;
1027 struct coda_dev *pcdev = ctx->dev;
f23797b6 1028
186b250a
JM		 1029 mutex_unlock(&pcdev->dev_mutex);
1030}
1031
814c3762 1032static const struct v4l2_m2m_ops coda_m2m_ops = {
186b250a
JM		 1033 .device_run = coda_device_run,
1034 .job_ready = coda_job_ready,
1035 .job_abort = coda_job_abort,
1036 .lock = coda_lock,
1037 .unlock = coda_unlock,
1038};
1039
89548441
PZ		 1040static void coda_set_tiled_map_type(struct coda_ctx *ctx, int tiled_map_type)
1041{
1042 struct gdi_tiled_map *tiled_map = &ctx->tiled_map;
1043 int luma_map, chro_map, i;
1044
1045 memset(tiled_map, 0, sizeof(*tiled_map));
1046
1047 luma_map = 64;
1048 chro_map = 64;
1049 tiled_map->map_type = tiled_map_type;
1050 for (i = 0; i < 16; i++)
1051 tiled_map->xy2ca_map[i] = luma_map << 8 | chro_map;
1052 for (i = 0; i < 4; i++)
1053 tiled_map->xy2ba_map[i] = luma_map << 8 | chro_map;
1054 for (i = 0; i < 16; i++)
1055 tiled_map->xy2ra_map[i] = luma_map << 8 | chro_map;
1056
1057 if (tiled_map_type == GDI_LINEAR_FRAME_MAP) {
1058 tiled_map->xy2rbc_config = 0;
1059 } else {
1060 dev_err(&ctx->dev->plat_dev->dev, "invalid map type: %d\n",
1061 tiled_map_type);
1062 return;
1063 }
1064}
1065
186b250a
JM		 1066static void set_default_params(struct coda_ctx *ctx)
1067{
8e428d50 1068 unsigned int max_w, max_h, usize, csize;
b96904e5 1069
2c11d1bd
PZ		 1070 ctx->codec = coda_find_codec(ctx->dev, ctx->cvd->src_formats[0],
1071 ctx->cvd->dst_formats[0]);
d4c6a416
PZ		 1072 max_w = min(ctx->codec->max_w, 1920U);
1073 max_h = min(ctx->codec->max_h, 1088U);
8e428d50
PZ		 1074 usize = max_w * max_h * 3 / 2;
1075 csize = coda_estimate_sizeimage(ctx, usize, max_w, max_h);
186b250a 1076
121cacf4 1077 ctx->params.codec_mode = ctx->codec->mode;
186b250a
JM		 1078 ctx->colorspace = V4L2_COLORSPACE_REC709;
1079 ctx->params.framerate = 30;
186b250a
JM		 1080
1081 /* Default formats for output and input queues */
b96904e5
PZ		 1082 ctx->q_data[V4L2_M2M_SRC].fourcc = ctx->codec->src_fourcc;
1083 ctx->q_data[V4L2_M2M_DST].fourcc = ctx->codec->dst_fourcc;
1084 ctx->q_data[V4L2_M2M_SRC].width = max_w;
1085 ctx->q_data[V4L2_M2M_SRC].height = max_h;
b96904e5
PZ		 1086 ctx->q_data[V4L2_M2M_DST].width = max_w;
1087 ctx->q_data[V4L2_M2M_DST].height = max_h;
121cacf4
PZ		 1088 if (ctx->codec->src_fourcc == V4L2_PIX_FMT_YUV420) {
1089 ctx->q_data[V4L2_M2M_SRC].bytesperline = max_w;
8e428d50 1090 ctx->q_data[V4L2_M2M_SRC].sizeimage = usize;
121cacf4 1091 ctx->q_data[V4L2_M2M_DST].bytesperline = 0;
8e428d50 1092 ctx->q_data[V4L2_M2M_DST].sizeimage = csize;
121cacf4
PZ		 1093 } else {
1094 ctx->q_data[V4L2_M2M_SRC].bytesperline = 0;
8e428d50 1095 ctx->q_data[V4L2_M2M_SRC].sizeimage = csize;
121cacf4 1096 ctx->q_data[V4L2_M2M_DST].bytesperline = max_w;
8e428d50 1097 ctx->q_data[V4L2_M2M_DST].sizeimage = usize;
121cacf4 1098 }
52c41676
PZ		 1099 ctx->q_data[V4L2_M2M_SRC].rect.width = max_w;
1100 ctx->q_data[V4L2_M2M_SRC].rect.height = max_h;
1101 ctx->q_data[V4L2_M2M_DST].rect.width = max_w;
1102 ctx->q_data[V4L2_M2M_DST].rect.height = max_h;
89548441
PZ		 1103
1104 if (ctx->dev->devtype->product == CODA_960)
1105 coda_set_tiled_map_type(ctx, GDI_LINEAR_FRAME_MAP);
186b250a
JM		 1106}
1107
1108/*
1109 * Queue operations
1110 */
1111static int coda_queue_setup(struct vb2_queue *vq,
1112 const struct v4l2_format *fmt,
1113 unsigned int *nbuffers, unsigned int *nplanes,
1114 unsigned int sizes[], void *alloc_ctxs[])
1115{
1116 struct coda_ctx *ctx = vb2_get_drv_priv(vq);
e34db066 1117 struct coda_q_data *q_data;
186b250a
JM		 1118 unsigned int size;
1119
e34db066
PZ		 1120 q_data = get_q_data(ctx, vq->type);
1121 size = q_data->sizeimage;
186b250a
JM		 1122
1123 *nplanes = 1;
1124 sizes[0] = size;
1125
bb04aa6f 1126 /* Set to vb2-dma-contig allocator context, ignored by vb2-vmalloc */
186b250a
JM		 1127 alloc_ctxs[0] = ctx->dev->alloc_ctx;
1128
1129 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
1130 "get %d buffer(s) of size %d each.\n", *nbuffers, size);
1131
1132 return 0;
1133}
1134
1135static int coda_buf_prepare(struct vb2_buffer *vb)
1136{
1137 struct coda_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
1138 struct coda_q_data *q_data;
1139
1140 q_data = get_q_data(ctx, vb->vb2_queue->type);
1141
1142 if (vb2_plane_size(vb, 0) < q_data->sizeimage) {
1143 v4l2_warn(&ctx->dev->v4l2_dev,
1144 "%s data will not fit into plane (%lu < %lu)\n",
1145 __func__, vb2_plane_size(vb, 0),
1146 (long)q_data->sizeimage);
1147 return -EINVAL;
1148 }
1149
186b250a
JM		 1150 return 0;
1151}
1152
1153static void coda_buf_queue(struct vb2_buffer *vb)
1154{
1155 struct coda_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
918c66fd
PZ		 1156 struct coda_q_data *q_data;
1157
1158 q_data = get_q_data(ctx, vb->vb2_queue->type);
1159
1160 /*
1161 * In the decoder case, immediately try to copy the buffer into the
1162 * bitstream ringbuffer and mark it as ready to be dequeued.
1163 */
cb1d3a33 1164 if (ctx->inst_type == CODA_INST_DECODER &&
918c66fd
PZ		 1165 vb->vb2_queue->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
1166 /*
39c1cb2b 1167 * For backwards compatibility, queuing an empty buffer marks
918c66fd
PZ		 1168 * the stream end
1169 */
347bb7f0
PZ		 1170 if (vb2_get_plane_payload(vb, 0) == 0)
1171 coda_bit_stream_end_flag(ctx);
918c66fd 1172 mutex_lock(&ctx->bitstream_mutex);
14604e3a 1173 v4l2_m2m_buf_queue(ctx->fh.m2m_ctx, vb);
eabed931
MO		 1174 if (vb2_is_streaming(vb->vb2_queue))
1175 coda_fill_bitstream(ctx);
918c66fd
PZ		 1176 mutex_unlock(&ctx->bitstream_mutex);
1177 } else {
14604e3a 1178 v4l2_m2m_buf_queue(ctx->fh.m2m_ctx, vb);
918c66fd 1179 }
186b250a
JM		 1180}
1181
79924ca9
PZ		 1182int coda_alloc_aux_buf(struct coda_dev *dev, struct coda_aux_buf *buf,
1183 size_t size, const char *name, struct dentry *parent)
5677e3b0
PZ		 1184{
1185 buf->vaddr = dma_alloc_coherent(&dev->plat_dev->dev, size, &buf->paddr,
1186 GFP_KERNEL);
68fc31c5
PZ		 1187 if (!buf->vaddr) {
1188 v4l2_err(&dev->v4l2_dev,
1189 "Failed to allocate %s buffer of size %u\n",
1190 name, size);
5677e3b0 1191 return -ENOMEM;
68fc31c5 1192 }
5677e3b0
PZ		 1193
1194 buf->size = size;
1195
f61c0b14
PZ		 1196 if (name && parent) {
1197 buf->blob.data = buf->vaddr;
1198 buf->blob.size = size;
f23797b6
PZ		 1199 buf->dentry = debugfs_create_blob(name, 0644, parent,
1200 &buf->blob);
f61c0b14
PZ		 1201 if (!buf->dentry)
1202 dev_warn(&dev->plat_dev->dev,
1203 "failed to create debugfs entry %s\n", name);
1204 }
1205
5677e3b0
PZ		 1206 return 0;
1207}
1208
79924ca9
PZ		 1209void coda_free_aux_buf(struct coda_dev *dev,
1210 struct coda_aux_buf *buf)
5677e3b0
PZ		 1211{
1212 if (buf->vaddr) {
1213 dma_free_coherent(&dev->plat_dev->dev, buf->size,
1214 buf->vaddr, buf->paddr);
1215 buf->vaddr = NULL;
1216 buf->size = 0;
1217 }
f61c0b14 1218 debugfs_remove(buf->dentry);
5677e3b0
PZ		 1219}
1220
79924ca9 1221static int coda_start_streaming(struct vb2_queue *q, unsigned int count)
5677e3b0 1222{
79924ca9
PZ		 1223 struct coda_ctx *ctx = vb2_get_drv_priv(q);
1224 struct v4l2_device *v4l2_dev = &ctx->dev->v4l2_dev;
1225 struct coda_q_data *q_data_src, *q_data_dst;
b906352c 1226 struct vb2_buffer *buf;
79924ca9 1227 int ret = 0;
5677e3b0 1228
79924ca9
PZ		 1229 q_data_src = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
1230 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
cb1d3a33
PZ		 1231 if (q_data_src->fourcc == V4L2_PIX_FMT_H264 ||
1232 (q_data_src->fourcc == V4L2_PIX_FMT_JPEG &&
1233 ctx->dev->devtype->product == CODA_7541)) {
79924ca9
PZ		 1234 /* copy the buffers that where queued before streamon */
1235 mutex_lock(&ctx->bitstream_mutex);
1236 coda_fill_bitstream(ctx);
1237 mutex_unlock(&ctx->bitstream_mutex);
eabed931 1238
b906352c
PZ		 1239 if (coda_get_bitstream_payload(ctx) < 512) {
1240 ret = -EINVAL;
1241 goto err;
1242 }
918c66fd 1243 } else {
b906352c
PZ		 1244 if (count < 1) {
1245 ret = -EINVAL;
1246 goto err;
1247 }
918c66fd 1248 }
186b250a 1249
b96904e5 1250 ctx->streamon_out = 1;
918c66fd 1251 } else {
b906352c
PZ		 1252 if (count < 1) {
1253 ret = -EINVAL;
1254 goto err;
1255 }
918c66fd
PZ		 1256
1257 ctx->streamon_cap = 1;
b96904e5 1258 }
186b250a 1259
b96904e5
PZ		 1260 /* Don't start the coda unless both queues are on */
1261 if (!(ctx->streamon_out & ctx->streamon_cap))
1262 return 0;
186b250a 1263
cb1d3a33 1264 /* Allow BIT decoder device_run with no new buffers queued */
eb107516 1265 if (ctx->inst_type == CODA_INST_DECODER)
14604e3a 1266 v4l2_m2m_set_src_buffered(ctx->fh.m2m_ctx, true);
918c66fd 1267
b96904e5 1268 ctx->gopcounter = ctx->params.gop_size - 1;
186b250a 1269 q_data_dst = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
b96904e5
PZ		 1270
1271 ctx->codec = coda_find_codec(ctx->dev, q_data_src->fourcc,
1272 q_data_dst->fourcc);
1273 if (!ctx->codec) {
186b250a 1274 v4l2_err(v4l2_dev, "couldn't tell instance type.\n");
b906352c
PZ		 1275 ret = -EINVAL;
1276 goto err;
186b250a
JM		 1277 }
1278
cb1d3a33
PZ		 1279 if (q_data_dst->fourcc == V4L2_PIX_FMT_JPEG)
1280 ctx->params.gop_size = 1;
1281 ctx->gopcounter = ctx->params.gop_size - 1;
1282
a1192a17 1283 ret = ctx->ops->start_streaming(ctx);
918c66fd 1284 if (ctx->inst_type == CODA_INST_DECODER) {
89548441 1285 if (ret == -EAGAIN)
918c66fd 1286 return 0;
89548441 1287 else if (ret < 0)
b906352c 1288 goto err;
918c66fd
PZ		 1289 }
1290
89548441
PZ		 1291 ctx->initialized = 1;
1292 return ret;
b906352c
PZ		 1293
1294err:
1295 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
1296 while ((buf = v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx)))
b8b1b58c 1297 v4l2_m2m_buf_done(buf, VB2_BUF_STATE_QUEUED);
b906352c
PZ		 1298 } else {
1299 while ((buf = v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx)))
b8b1b58c 1300 v4l2_m2m_buf_done(buf, VB2_BUF_STATE_QUEUED);
b906352c
PZ		 1301 }
1302 return ret;
89548441
PZ		 1303}
1304
e37559b2 1305static void coda_stop_streaming(struct vb2_queue *q)
186b250a
JM		 1306{
1307 struct coda_ctx *ctx = vb2_get_drv_priv(q);
2fb57f06 1308 struct coda_dev *dev = ctx->dev;
4a31b52f 1309 struct vb2_buffer *buf;
186b250a
JM		 1310
1311 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
918c66fd 1312 v4l2_dbg(1, coda_debug, &dev->v4l2_dev,
186b250a 1313 "%s: output\n", __func__);
b96904e5 1314 ctx->streamon_out = 0;
918c66fd 1315
347bb7f0 1316 coda_bit_stream_end_flag(ctx);
4a31b52f 1317
6dd5ef5b 1318 ctx->qsequence = 0;
4a31b52f
PZ		 1319
1320 while ((buf = v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx)))
1321 v4l2_m2m_buf_done(buf, VB2_BUF_STATE_ERROR);
186b250a 1322 } else {
918c66fd 1323 v4l2_dbg(1, coda_debug, &dev->v4l2_dev,
186b250a 1324 "%s: capture\n", __func__);
b96904e5 1325 ctx->streamon_cap = 0;
2fb57f06 1326
918c66fd 1327 ctx->osequence = 0;
cb2c0282 1328 ctx->sequence_offset = 0;
4a31b52f
PZ		 1329
1330 while ((buf = v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx)))
1331 v4l2_m2m_buf_done(buf, VB2_BUF_STATE_ERROR);
186b250a
JM		 1332 }
1333
918c66fd 1334 if (!ctx->streamon_out && !ctx->streamon_cap) {
7cbb105f 1335 struct coda_buffer_meta *meta;
846ced9c 1336
f4706d6e
PZ		 1337 if (ctx->ops->seq_end_work) {
1338 queue_work(dev->workqueue, &ctx->seq_end_work);
1339 flush_work(&ctx->seq_end_work);
1340 }
18fd0cce 1341 mutex_lock(&ctx->bitstream_mutex);
7cbb105f
PZ		 1342 while (!list_empty(&ctx->buffer_meta_list)) {
1343 meta = list_first_entry(&ctx->buffer_meta_list,
1344 struct coda_buffer_meta, list);
1345 list_del(&meta->list);
1346 kfree(meta);
846ced9c 1347 }
18fd0cce 1348 mutex_unlock(&ctx->bitstream_mutex);
918c66fd
PZ		 1349 kfifo_init(&ctx->bitstream_fifo,
1350 ctx->bitstream.vaddr, ctx->bitstream.size);
f4706d6e 1351 ctx->initialized = 0;
918c66fd 1352 ctx->runcounter = 0;
f157cf49 1353 ctx->aborting = 0;
918c66fd 1354 }
186b250a
JM		 1355}
1356
121cacf4 1357static const struct vb2_ops coda_qops = {
186b250a
JM		 1358 .queue_setup = coda_queue_setup,
1359 .buf_prepare = coda_buf_prepare,
1360 .buf_queue = coda_buf_queue,
186b250a
JM		 1361 .start_streaming = coda_start_streaming,
1362 .stop_streaming = coda_stop_streaming,
152ea1c8
PZ		 1363 .wait_prepare = vb2_ops_wait_prepare,
1364 .wait_finish = vb2_ops_wait_finish,
186b250a
JM		 1365};
1366
1367static int coda_s_ctrl(struct v4l2_ctrl *ctrl)
1368{
1369 struct coda_ctx *ctx =
1370 container_of(ctrl->handler, struct coda_ctx, ctrls);
1371
1372 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
1373 "s_ctrl: id = %d, val = %d\n", ctrl->id, ctrl->val);
1374
1375 switch (ctrl->id) {
8f35c7bc
PZ		 1376 case V4L2_CID_HFLIP:
1377 if (ctrl->val)
1378 ctx->params.rot_mode |= CODA_MIR_HOR;
1379 else
1380 ctx->params.rot_mode &= ~CODA_MIR_HOR;
1381 break;
1382 case V4L2_CID_VFLIP:
1383 if (ctrl->val)
1384 ctx->params.rot_mode |= CODA_MIR_VER;
1385 else
1386 ctx->params.rot_mode &= ~CODA_MIR_VER;
1387 break;
186b250a
JM		 1388 case V4L2_CID_MPEG_VIDEO_BITRATE:
1389 ctx->params.bitrate = ctrl->val / 1000;
1390 break;
1391 case V4L2_CID_MPEG_VIDEO_GOP_SIZE:
1392 ctx->params.gop_size = ctrl->val;
1393 break;
1394 case V4L2_CID_MPEG_VIDEO_H264_I_FRAME_QP:
1395 ctx->params.h264_intra_qp = ctrl->val;
1396 break;
1397 case V4L2_CID_MPEG_VIDEO_H264_P_FRAME_QP:
1398 ctx->params.h264_inter_qp = ctrl->val;
1399 break;
1a5567e3
PZ		 1400 case V4L2_CID_MPEG_VIDEO_H264_MIN_QP:
1401 ctx->params.h264_min_qp = ctrl->val;
1402 break;
1403 case V4L2_CID_MPEG_VIDEO_H264_MAX_QP:
1404 ctx->params.h264_max_qp = ctrl->val;
1405 break;
de23b1db
PZ		 1406 case V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_ALPHA:
1407 ctx->params.h264_deblk_alpha = ctrl->val;
1408 break;
1409 case V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_BETA:
1410 ctx->params.h264_deblk_beta = ctrl->val;
1411 break;
1412 case V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_MODE:
1413 ctx->params.h264_deblk_enabled = (ctrl->val ==
1414 V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_ENABLED);
1415 break;
186b250a
JM		 1416 case V4L2_CID_MPEG_VIDEO_MPEG4_I_FRAME_QP:
1417 ctx->params.mpeg4_intra_qp = ctrl->val;
1418 break;
1419 case V4L2_CID_MPEG_VIDEO_MPEG4_P_FRAME_QP:
1420 ctx->params.mpeg4_inter_qp = ctrl->val;
1421 break;
1422 case V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MODE:
1423 ctx->params.slice_mode = ctrl->val;
1424 break;
1425 case V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_MB:
1426 ctx->params.slice_max_mb = ctrl->val;
1427 break;
c566c789
PZ		 1428 case V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_BYTES:
1429 ctx->params.slice_max_bits = ctrl->val * 8;
1430 break;
186b250a
JM		 1431 case V4L2_CID_MPEG_VIDEO_HEADER_MODE:
1432 break;
f38f79d5
PZ		 1433 case V4L2_CID_MPEG_VIDEO_CYCLIC_INTRA_REFRESH_MB:
1434 ctx->params.intra_refresh = ctrl->val;
1435 break;
cb1d3a33
PZ		 1436 case V4L2_CID_JPEG_COMPRESSION_QUALITY:
1437 coda_set_jpeg_compression_quality(ctx, ctrl->val);
1438 break;
1439 case V4L2_CID_JPEG_RESTART_INTERVAL:
1440 ctx->params.jpeg_restart_interval = ctrl->val;
1441 break;
186b250a
JM		 1442 default:
1443 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
1444 "Invalid control, id=%d, val=%d\n",
1445 ctrl->id, ctrl->val);
1446 return -EINVAL;
1447 }
1448
1449 return 0;
1450}
1451
814c3762 1452static const struct v4l2_ctrl_ops coda_ctrl_ops = {
186b250a
JM		 1453 .s_ctrl = coda_s_ctrl,
1454};
1455
bfc732f6 1456static void coda_encode_ctrls(struct coda_ctx *ctx)
186b250a 1457{
186b250a
JM		 1458 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
1459 V4L2_CID_MPEG_VIDEO_BITRATE, 0, 32767000, 1, 0);
1460 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
1461 V4L2_CID_MPEG_VIDEO_GOP_SIZE, 1, 60, 1, 16);
1462 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
594a750b 1463 V4L2_CID_MPEG_VIDEO_H264_I_FRAME_QP, 0, 51, 1, 25);
186b250a 1464 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
594a750b 1465 V4L2_CID_MPEG_VIDEO_H264_P_FRAME_QP, 0, 51, 1, 25);
1a5567e3
PZ		 1466 if (ctx->dev->devtype->product != CODA_960) {
1467 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
1468 V4L2_CID_MPEG_VIDEO_H264_MIN_QP, 0, 51, 1, 12);
1469 }
1470 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
1471 V4L2_CID_MPEG_VIDEO_H264_MAX_QP, 0, 51, 1, 51);
de23b1db
PZ		 1472 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
1473 V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_ALPHA, 0, 15, 1, 0);
1474 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
1475 V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_BETA, 0, 15, 1, 0);
1476 v4l2_ctrl_new_std_menu(&ctx->ctrls, &coda_ctrl_ops,
1477 V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_MODE,
1478 V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_DISABLED, 0x0,
1479 V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_ENABLED);
186b250a
JM		 1480 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
1481 V4L2_CID_MPEG_VIDEO_MPEG4_I_FRAME_QP, 1, 31, 1, 2);
1482 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
1483 V4L2_CID_MPEG_VIDEO_MPEG4_P_FRAME_QP, 1, 31, 1, 2);
1484 v4l2_ctrl_new_std_menu(&ctx->ctrls, &coda_ctrl_ops,
1485 V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MODE,
c566c789
PZ		 1486 V4L2_MPEG_VIDEO_MULTI_SICE_MODE_MAX_BYTES, 0x0,
1487 V4L2_MPEG_VIDEO_MULTI_SLICE_MODE_SINGLE);
186b250a
JM		 1488 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
1489 V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_MB, 1, 0x3fffffff, 1, 1);
c566c789 1490 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
f23797b6
PZ		 1491 V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_BYTES, 1, 0x3fffffff, 1,
1492 500);
186b250a
JM		 1493 v4l2_ctrl_new_std_menu(&ctx->ctrls, &coda_ctrl_ops,
1494 V4L2_CID_MPEG_VIDEO_HEADER_MODE,
1495 V4L2_MPEG_VIDEO_HEADER_MODE_JOINED_WITH_1ST_FRAME,
1496 (1 << V4L2_MPEG_VIDEO_HEADER_MODE_SEPARATE),
1497 V4L2_MPEG_VIDEO_HEADER_MODE_JOINED_WITH_1ST_FRAME);
f38f79d5 1498 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
f23797b6
PZ		 1499 V4L2_CID_MPEG_VIDEO_CYCLIC_INTRA_REFRESH_MB, 0,
1500 1920 * 1088 / 256, 1, 0);
bfc732f6
PZ		 1501}
1502
cb1d3a33
PZ		 1503static void coda_jpeg_encode_ctrls(struct coda_ctx *ctx)
1504{
1505 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
1506 V4L2_CID_JPEG_COMPRESSION_QUALITY, 5, 100, 1, 50);
1507 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
1508 V4L2_CID_JPEG_RESTART_INTERVAL, 0, 100, 1, 0);
1509}
1510
bfc732f6
PZ		 1511static int coda_ctrls_setup(struct coda_ctx *ctx)
1512{
1513 v4l2_ctrl_handler_init(&ctx->ctrls, 2);
1514
1515 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
1516 V4L2_CID_HFLIP, 0, 1, 1, 0);
1517 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
1518 V4L2_CID_VFLIP, 0, 1, 1, 0);
cb1d3a33
PZ		 1519 if (ctx->inst_type == CODA_INST_ENCODER) {
1520 if (ctx->cvd->dst_formats[0] == V4L2_PIX_FMT_JPEG)
1521 coda_jpeg_encode_ctrls(ctx);
1522 else
1523 coda_encode_ctrls(ctx);
1524 }
186b250a
JM		 1525
1526 if (ctx->ctrls.error) {
f23797b6
PZ		 1527 v4l2_err(&ctx->dev->v4l2_dev,
1528 "control initialization error (%d)",
186b250a
JM		 1529 ctx->ctrls.error);
1530 return -EINVAL;
1531 }
1532
1533 return v4l2_ctrl_handler_setup(&ctx->ctrls);
1534}
1535
121cacf4
PZ		 1536static int coda_queue_init(struct coda_ctx *ctx, struct vb2_queue *vq)
1537{
1538 vq->drv_priv = ctx;
1539 vq->ops = &coda_qops;
1540 vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer);
1541 vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
1542 vq->lock = &ctx->dev->dev_mutex;
1543
1544 return vb2_queue_init(vq);
1545}
1546
79924ca9
PZ		 1547int coda_encoder_queue_init(void *priv, struct vb2_queue *src_vq,
1548 struct vb2_queue *dst_vq)
186b250a 1549{
186b250a
JM		 1550 int ret;
1551
186b250a 1552 src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT;
d29a8cf2 1553 src_vq->io_modes = VB2_DMABUF | VB2_MMAP;
186b250a
JM		 1554 src_vq->mem_ops = &vb2_dma_contig_memops;
1555
121cacf4 1556 ret = coda_queue_init(priv, src_vq);
186b250a
JM		 1557 if (ret)
1558 return ret;
1559
186b250a 1560 dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
d29a8cf2 1561 dst_vq->io_modes = VB2_DMABUF | VB2_MMAP;
186b250a
JM		 1562 dst_vq->mem_ops = &vb2_dma_contig_memops;
1563
121cacf4
PZ		 1564 return coda_queue_init(priv, dst_vq);
1565}
1566
79924ca9
PZ		 1567int coda_decoder_queue_init(void *priv, struct vb2_queue *src_vq,
1568 struct vb2_queue *dst_vq)
121cacf4
PZ		 1569{
1570 int ret;
1571
1572 src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT;
bb04aa6f
PZ		 1573 src_vq->io_modes = VB2_DMABUF | VB2_MMAP | VB2_USERPTR;
1574 src_vq->mem_ops = &vb2_vmalloc_memops;
121cacf4
PZ		 1575
1576 ret = coda_queue_init(priv, src_vq);
1577 if (ret)
1578 return ret;
1579
1580 dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1581 dst_vq->io_modes = VB2_DMABUF | VB2_MMAP;
1582 dst_vq->mem_ops = &vb2_dma_contig_memops;
1583
1584 return coda_queue_init(priv, dst_vq);
186b250a
JM		 1585}
1586
e11f3e6e
PZ		 1587static int coda_next_free_instance(struct coda_dev *dev)
1588{
0cddc7e9
PZ		 1589 int idx = ffz(dev->instance_mask);
1590
1591 if ((idx < 0) ||
1592 (dev->devtype->product == CODA_DX6 && idx > CODADX6_MAX_INSTANCES))
1593 return -EBUSY;
1594
1595 return idx;
e11f3e6e
PZ		 1596}
1597
2c11d1bd
PZ		 1598/*
1599 * File operations
1600 */
1601
1602static int coda_open(struct file *file)
186b250a 1603{
2c11d1bd
PZ		 1604 struct video_device *vdev = video_devdata(file);
1605 struct coda_dev *dev = video_get_drvdata(vdev);
186b250a 1606 struct coda_ctx *ctx = NULL;
f61c0b14 1607 char *name;
918c66fd 1608 int ret;
e11f3e6e 1609 int idx;
186b250a 1610
f23797b6 1611 ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
186b250a
JM		 1612 if (!ctx)
1613 return -ENOMEM;
1614
f82bc203 1615 idx = coda_next_free_instance(dev);
0cddc7e9
PZ		 1616 if (idx < 0) {
1617 ret = idx;
f82bc203
FE		 1618 goto err_coda_max;
1619 }
1620 set_bit(idx, &dev->instance_mask);
1621
f61c0b14
PZ		 1622 name = kasprintf(GFP_KERNEL, "context%d", idx);
1623 ctx->debugfs_entry = debugfs_create_dir(name, dev->debugfs_root);
1624 kfree(name);
1625
2c11d1bd
PZ		 1626 ctx->cvd = to_coda_video_device(vdev);
1627 ctx->inst_type = ctx->cvd->type;
1628 ctx->ops = ctx->cvd->ops;
32b6f206
PZ		 1629 init_completion(&ctx->completion);
1630 INIT_WORK(&ctx->pic_run_work, coda_pic_run_work);
747d7646
PZ		 1631 if (ctx->ops->seq_end_work)
1632 INIT_WORK(&ctx->seq_end_work, ctx->ops->seq_end_work);
186b250a
JM		 1633 v4l2_fh_init(&ctx->fh, video_devdata(file));
1634 file->private_data = &ctx->fh;
1635 v4l2_fh_add(&ctx->fh);
1636 ctx->dev = dev;
e11f3e6e 1637 ctx->idx = idx;
5677e3b0 1638 switch (dev->devtype->product) {
89548441 1639 case CODA_960:
2bf299cd
PZ		 1640 ctx->frame_mem_ctrl = 1 << 12;
1641 /* fallthrough */
1642 case CODA_7541:
5677e3b0
PZ		 1643 ctx->reg_idx = 0;
1644 break;
1645 default:
1646 ctx->reg_idx = idx;
1647 }
f82bc203 1648
1e172731
PZ		 1649 /* Power up and upload firmware if necessary */
1650 ret = pm_runtime_get_sync(&dev->plat_dev->dev);
1651 if (ret < 0) {
1652 v4l2_err(&dev->v4l2_dev, "failed to power up: %d\n", ret);
1653 goto err_pm_get;
1654 }
1655
79830db2
FE		 1656 ret = clk_prepare_enable(dev->clk_per);
1657 if (ret)
1658 goto err_clk_per;
1659
1660 ret = clk_prepare_enable(dev->clk_ahb);
1661 if (ret)
1662 goto err_clk_ahb;
1663
186b250a 1664 set_default_params(ctx);
a1192a17
PZ		 1665 ctx->fh.m2m_ctx = v4l2_m2m_ctx_init(dev->m2m_dev, ctx,
1666 ctx->ops->queue_init);
14604e3a
PZ		 1667 if (IS_ERR(ctx->fh.m2m_ctx)) {
1668 ret = PTR_ERR(ctx->fh.m2m_ctx);
186b250a
JM		 1669
1670 v4l2_err(&dev->v4l2_dev, "%s return error (%d)\n",
1671 __func__, ret);
f82bc203 1672 goto err_ctx_init;
186b250a 1673 }
152ea1c8 1674
186b250a
JM		 1675 ret = coda_ctrls_setup(ctx);
1676 if (ret) {
1677 v4l2_err(&dev->v4l2_dev, "failed to setup coda controls\n");
f82bc203 1678 goto err_ctrls_setup;
186b250a
JM		 1679 }
1680
1681 ctx->fh.ctrl_handler = &ctx->ctrls;
1682
cb1d3a33
PZ		 1683 ret = coda_alloc_context_buf(ctx, &ctx->parabuf,
1684 CODA_PARA_BUF_SIZE, "parabuf");
5677e3b0 1685 if (ret < 0) {
186b250a 1686 v4l2_err(&dev->v4l2_dev, "failed to allocate parabuf");
f82bc203 1687 goto err_dma_alloc;
186b250a
JM		 1688 }
1689
9082a7c6 1690 ctx->bitstream.size = CODA_MAX_FRAME_SIZE;
cb1d3a33
PZ		 1691 ctx->bitstream.vaddr = dma_alloc_writecombine(
1692 &dev->plat_dev->dev, ctx->bitstream.size,
1693 &ctx->bitstream.paddr, GFP_KERNEL);
9082a7c6 1694 if (!ctx->bitstream.vaddr) {
f23797b6
PZ		 1695 v4l2_err(&dev->v4l2_dev,
1696 "failed to allocate bitstream ringbuffer");
9082a7c6 1697 ret = -ENOMEM;
f82bc203 1698 goto err_dma_writecombine;
9082a7c6
PZ		 1699 }
1700 kfifo_init(&ctx->bitstream_fifo,
1701 ctx->bitstream.vaddr, ctx->bitstream.size);
1702 mutex_init(&ctx->bitstream_mutex);
918c66fd 1703 mutex_init(&ctx->buffer_mutex);
7cbb105f 1704 INIT_LIST_HEAD(&ctx->buffer_meta_list);
9082a7c6 1705
186b250a 1706 coda_lock(ctx);
e11f3e6e 1707 list_add(&ctx->list, &dev->instances);
186b250a
JM		 1708 coda_unlock(ctx);
1709
186b250a
JM		 1710 v4l2_dbg(1, coda_debug, &dev->v4l2_dev, "Created instance %d (%p)\n",
1711 ctx->idx, ctx);
1712
1713 return 0;
1714
f82bc203 1715err_dma_writecombine:
f82bc203
FE		 1716 if (ctx->dev->devtype->product == CODA_DX6)
1717 coda_free_aux_buf(dev, &ctx->workbuf);
1718 coda_free_aux_buf(dev, &ctx->parabuf);
1719err_dma_alloc:
1720 v4l2_ctrl_handler_free(&ctx->ctrls);
1721err_ctrls_setup:
14604e3a 1722 v4l2_m2m_ctx_release(ctx->fh.m2m_ctx);
f82bc203
FE		 1723err_ctx_init:
1724 clk_disable_unprepare(dev->clk_ahb);
79830db2 1725err_clk_ahb:
f82bc203 1726 clk_disable_unprepare(dev->clk_per);
79830db2 1727err_clk_per:
1e172731
PZ		 1728 pm_runtime_put_sync(&dev->plat_dev->dev);
1729err_pm_get:
186b250a
JM		 1730 v4l2_fh_del(&ctx->fh);
1731 v4l2_fh_exit(&ctx->fh);
f82bc203
FE		 1732 clear_bit(ctx->idx, &dev->instance_mask);
1733err_coda_max:
186b250a
JM		 1734 kfree(ctx);
1735 return ret;
1736}
1737
1738static int coda_release(struct file *file)
1739{
1740 struct coda_dev *dev = video_drvdata(file);
1741 struct coda_ctx *ctx = fh_to_ctx(file->private_data);
1742
1743 v4l2_dbg(1, coda_debug, &dev->v4l2_dev, "Releasing instance %p\n",
1744 ctx);
1745
d4bb75f6
PZ		 1746 if (ctx->inst_type == CODA_INST_DECODER)
1747 coda_bit_stream_end_flag(ctx);
1748
918c66fd 1749 /* If this instance is running, call .job_abort and wait for it to end */
14604e3a 1750 v4l2_m2m_ctx_release(ctx->fh.m2m_ctx);
918c66fd
PZ		 1751
1752 /* In case the instance was not running, we still need to call SEQ_END */
747d7646 1753 if (ctx->initialized && ctx->ops->seq_end_work) {
32b6f206
PZ		 1754 queue_work(dev->workqueue, &ctx->seq_end_work);
1755 flush_work(&ctx->seq_end_work);
918c66fd 1756 }
918c66fd 1757
186b250a 1758 coda_lock(ctx);
e11f3e6e 1759 list_del(&ctx->list);
186b250a
JM		 1760 coda_unlock(ctx);
1761
cb1d3a33
PZ		 1762 if (ctx->bitstream.vaddr) {
1763 dma_free_writecombine(&dev->plat_dev->dev, ctx->bitstream.size,
1764 ctx->bitstream.vaddr, ctx->bitstream.paddr);
1765 }
5677e3b0
PZ		 1766 if (ctx->dev->devtype->product == CODA_DX6)
1767 coda_free_aux_buf(dev, &ctx->workbuf);
1768
1769 coda_free_aux_buf(dev, &ctx->parabuf);
186b250a 1770 v4l2_ctrl_handler_free(&ctx->ctrls);
186b250a 1771 clk_disable_unprepare(dev->clk_ahb);
f82bc203 1772 clk_disable_unprepare(dev->clk_per);
1e172731 1773 pm_runtime_put_sync(&dev->plat_dev->dev);
186b250a
JM		 1774 v4l2_fh_del(&ctx->fh);
1775 v4l2_fh_exit(&ctx->fh);
e11f3e6e 1776 clear_bit(ctx->idx, &dev->instance_mask);
58b7677d
PZ		 1777 if (ctx->ops->release)
1778 ctx->ops->release(ctx);
e1519e86 1779 debugfs_remove_recursive(ctx->debugfs_entry);
186b250a
JM		 1780 kfree(ctx);
1781
1782 return 0;
1783}
1784
2c11d1bd 1785static const struct v4l2_file_operations coda_fops = {
121cacf4 1786 .owner = THIS_MODULE,
2c11d1bd 1787 .open = coda_open,
186b250a 1788 .release = coda_release,
152ea1c8 1789 .poll = v4l2_m2m_fop_poll,
186b250a 1790 .unlocked_ioctl = video_ioctl2,
152ea1c8 1791 .mmap = v4l2_m2m_fop_mmap,
186b250a
JM		 1792};
1793
87048bb4 1794static int coda_hw_init(struct coda_dev *dev)
186b250a 1795{
186b250a
JM		 1796 u32 data;
1797 u16 *p;
79830db2
FE		 1798 int i, ret;
1799
1800 ret = clk_prepare_enable(dev->clk_per);
1801 if (ret)
1e172731 1802 goto err_clk_per;
186b250a 1803
79830db2
FE		 1804 ret = clk_prepare_enable(dev->clk_ahb);
1805 if (ret)
1806 goto err_clk_ahb;
186b250a 1807
8f45284c
PZ		 1808 if (dev->rstc)
1809 reset_control_reset(dev->rstc);
1810
186b250a
JM		 1811 /*
1812 * Copy the first CODA_ISRAM_SIZE in the internal SRAM.
87048bb4
PZ		 1813 * The 16-bit chars in the code buffer are in memory access
1814 * order, re-sort them to CODA order for register download.
186b250a
JM		 1815 * Data in this SRAM survives a reboot.
1816 */
87048bb4
PZ		 1817 p = (u16 *)dev->codebuf.vaddr;
1818 if (dev->devtype->product == CODA_DX6) {
1819 for (i = 0; i < (CODA_ISRAM_SIZE / 2); i++) {
1820 data = CODA_DOWN_ADDRESS_SET(i) |
1821 CODA_DOWN_DATA_SET(p[i ^ 1]);
1822 coda_write(dev, data, CODA_REG_BIT_CODE_DOWN);
1823 }
1824 } else {
1825 for (i = 0; i < (CODA_ISRAM_SIZE / 2); i++) {
1826 data = CODA_DOWN_ADDRESS_SET(i) |
1827 CODA_DOWN_DATA_SET(p[round_down(i, 4) +
1828 3 - (i % 4)]);
1829 coda_write(dev, data, CODA_REG_BIT_CODE_DOWN);
1830 }
186b250a 1831 }
186b250a 1832
9acf7693
PZ		 1833 /* Clear registers */
1834 for (i = 0; i < 64; i++)
1835 coda_write(dev, 0, CODA_REG_BIT_CODE_BUF_ADDR + i * 4);
1836
186b250a 1837 /* Tell the BIT where to find everything it needs */
89548441
PZ		 1838 if (dev->devtype->product == CODA_960 ||
1839 dev->devtype->product == CODA_7541) {
5677e3b0
PZ		 1840 coda_write(dev, dev->tempbuf.paddr,
1841 CODA_REG_BIT_TEMP_BUF_ADDR);
918c66fd 1842 coda_write(dev, 0, CODA_REG_BIT_BIT_STREAM_PARAM);
5677e3b0
PZ		 1843 } else {
1844 coda_write(dev, dev->workbuf.paddr,
1845 CODA_REG_BIT_WORK_BUF_ADDR);
1846 }
186b250a
JM		 1847 coda_write(dev, dev->codebuf.paddr,
1848 CODA_REG_BIT_CODE_BUF_ADDR);
1849 coda_write(dev, 0, CODA_REG_BIT_CODE_RUN);
1850
1851 /* Set default values */
1852 switch (dev->devtype->product) {
1853 case CODA_DX6:
f23797b6
PZ		 1854 coda_write(dev, CODADX6_STREAM_BUF_PIC_FLUSH,
1855 CODA_REG_BIT_STREAM_CTRL);
186b250a
JM		 1856 break;
1857 default:
f23797b6
PZ		 1858 coda_write(dev, CODA7_STREAM_BUF_PIC_FLUSH,
1859 CODA_REG_BIT_STREAM_CTRL);
186b250a 1860 }
89548441
PZ		 1861 if (dev->devtype->product == CODA_960)
1862 coda_write(dev, 1 << 12, CODA_REG_BIT_FRAME_MEM_CTRL);
1863 else
1864 coda_write(dev, 0, CODA_REG_BIT_FRAME_MEM_CTRL);
1043667b
PZ		 1865
1866 if (dev->devtype->product != CODA_DX6)
1867 coda_write(dev, 0, CODA7_REG_BIT_AXI_SRAM_USE);
1868
186b250a
JM		 1869 coda_write(dev, CODA_INT_INTERRUPT_ENABLE,
1870 CODA_REG_BIT_INT_ENABLE);
1871
1872 /* Reset VPU and start processor */
1873 data = coda_read(dev, CODA_REG_BIT_CODE_RESET);
1874 data |= CODA_REG_RESET_ENABLE;
1875 coda_write(dev, data, CODA_REG_BIT_CODE_RESET);
1876 udelay(10);
1877 data &= ~CODA_REG_RESET_ENABLE;
1878 coda_write(dev, data, CODA_REG_BIT_CODE_RESET);
1879 coda_write(dev, CODA_REG_RUN_ENABLE, CODA_REG_BIT_CODE_RUN);
1880
fe7554e6
PZ		 1881 clk_disable_unprepare(dev->clk_ahb);
1882 clk_disable_unprepare(dev->clk_per);
1883
1884 return 0;
1885
1886err_clk_ahb:
1887 clk_disable_unprepare(dev->clk_per);
1888err_clk_per:
1889 return ret;
1890}
1891
2c11d1bd 1892static int coda_register_device(struct coda_dev *dev, int i)
121cacf4 1893{
2c11d1bd
PZ		 1894 struct video_device *vfd = &dev->vfd[i];
1895
88ca3af4 1896 if (i >= dev->devtype->num_vdevs)
2c11d1bd
PZ		 1897 return -EINVAL;
1898
88ca3af4
DC		 1899 snprintf(vfd->name, sizeof(vfd->name), "%s",
1900 dev->devtype->vdevs[i]->name);
2c11d1bd
PZ		 1901 vfd->fops = &coda_fops;
1902 vfd->ioctl_ops = &coda_ioctl_ops;
121cacf4
PZ		 1903 vfd->release = video_device_release_empty,
1904 vfd->lock = &dev->dev_mutex;
1905 vfd->v4l2_dev = &dev->v4l2_dev;
1906 vfd->vfl_dir = VFL_DIR_M2M;
1907 video_set_drvdata(vfd, dev);
1908
a188a668
PZ		 1909 /* Not applicable, use the selection API instead */
1910 v4l2_disable_ioctl(vfd, VIDIOC_CROPCAP);
1911 v4l2_disable_ioctl(vfd, VIDIOC_G_CROP);
1912 v4l2_disable_ioctl(vfd, VIDIOC_S_CROP);
1913
121cacf4
PZ		 1914 return video_register_device(vfd, VFL_TYPE_GRABBER, 0);
1915}
1916
186b250a
JM		 1917static void coda_fw_callback(const struct firmware *fw, void *context)
1918{
1919 struct coda_dev *dev = context;
1920 struct platform_device *pdev = dev->plat_dev;
2c11d1bd 1921 int i, ret;
186b250a
JM		 1922
1923 if (!fw) {
1924 v4l2_err(&dev->v4l2_dev, "firmware request failed\n");
c5d28e29 1925 goto put_pm;
186b250a
JM		 1926 }
1927
1928 /* allocate auxiliary per-device code buffer for the BIT processor */
f61c0b14
PZ		 1929 ret = coda_alloc_aux_buf(dev, &dev->codebuf, fw->size, "codebuf",
1930 dev->debugfs_root);
5677e3b0 1931 if (ret < 0) {
186b250a 1932 dev_err(&pdev->dev, "failed to allocate code buffer\n");
c5d28e29 1933 goto put_pm;
186b250a
JM		 1934 }
1935
87048bb4
PZ		 1936 /* Copy the whole firmware image to the code buffer */
1937 memcpy(dev->codebuf.vaddr, fw->data, fw->size);
1938 release_firmware(fw);
1939
c5d28e29
UH		 1940 ret = coda_hw_init(dev);
1941 if (ret < 0) {
1942 v4l2_err(&dev->v4l2_dev, "HW initialization failed\n");
1943 goto put_pm;
186b250a
JM		 1944 }
1945
c5d28e29
UH		 1946 ret = coda_check_firmware(dev);
1947 if (ret < 0)
1948 goto put_pm;
1949
186b250a
JM		 1950 dev->alloc_ctx = vb2_dma_contig_init_ctx(&pdev->dev);
1951 if (IS_ERR(dev->alloc_ctx)) {
1952 v4l2_err(&dev->v4l2_dev, "Failed to alloc vb2 context\n");
c5d28e29 1953 goto put_pm;
186b250a
JM		 1954 }
1955
1956 dev->m2m_dev = v4l2_m2m_init(&coda_m2m_ops);
1957 if (IS_ERR(dev->m2m_dev)) {
1958 v4l2_err(&dev->v4l2_dev, "Failed to init mem2mem device\n");
1959 goto rel_ctx;
1960 }
1961
2c11d1bd
PZ		 1962 for (i = 0; i < dev->devtype->num_vdevs; i++) {
1963 ret = coda_register_device(dev, i);
1964 if (ret) {
1965 v4l2_err(&dev->v4l2_dev,
1966 "Failed to register %s video device: %d\n",
1967 dev->devtype->vdevs[i]->name, ret);
1968 goto rel_vfd;
1969 }
121cacf4
PZ		 1970 }
1971
1972 v4l2_info(&dev->v4l2_dev, "codec registered as /dev/video[%d-%d]\n",
2c11d1bd 1973 dev->vfd[0].num, dev->vfd[i - 1].num);
186b250a 1974
c5d28e29 1975 pm_runtime_put_sync(&pdev->dev);
186b250a
JM		 1976 return;
1977
2c11d1bd
PZ		 1978rel_vfd:
1979 while (--i >= 0)
1980 video_unregister_device(&dev->vfd[i]);
186b250a
JM		 1981 v4l2_m2m_release(dev->m2m_dev);
1982rel_ctx:
1983 vb2_dma_contig_cleanup_ctx(dev->alloc_ctx);
c5d28e29
UH		 1984put_pm:
1985 pm_runtime_put_sync(&pdev->dev);
186b250a
JM		 1986}
1987
1988static int coda_firmware_request(struct coda_dev *dev)
1989{
1990 char *fw = dev->devtype->firmware;
1991
1992 dev_dbg(&dev->plat_dev->dev, "requesting firmware '%s' for %s\n", fw,
1993 coda_product_name(dev->devtype->product));
1994
1995 return request_firmware_nowait(THIS_MODULE, true,
1996 fw, &dev->plat_dev->dev, GFP_KERNEL, dev, coda_fw_callback);
1997}
1998
1999enum coda_platform {
2000 CODA_IMX27,
df1e74cc 2001 CODA_IMX53,
89548441
PZ		 2002 CODA_IMX6Q,
2003 CODA_IMX6DL,
186b250a
JM		 2004};
2005
c06d8752 2006static const struct coda_devtype coda_devdata[] = {
186b250a 2007 [CODA_IMX27] = {
e5b0d1c6
PZ		 2008 .firmware = "v4l-codadx6-imx27.bin",
2009 .product = CODA_DX6,
2010 .codecs = codadx6_codecs,
2011 .num_codecs = ARRAY_SIZE(codadx6_codecs),
2c11d1bd
PZ		 2012 .vdevs = codadx6_video_devices,
2013 .num_vdevs = ARRAY_SIZE(codadx6_video_devices),
e5b0d1c6 2014 .workbuf_size = 288 * 1024 + FMO_SLICE_SAVE_BUF_SIZE * 8 * 1024,
401e972f 2015 .iram_size = 0xb000,
186b250a 2016 },
df1e74cc 2017 [CODA_IMX53] = {
e5b0d1c6
PZ		 2018 .firmware = "v4l-coda7541-imx53.bin",
2019 .product = CODA_7541,
2020 .codecs = coda7_codecs,
2021 .num_codecs = ARRAY_SIZE(coda7_codecs),
2c11d1bd
PZ		 2022 .vdevs = coda7_video_devices,
2023 .num_vdevs = ARRAY_SIZE(coda7_video_devices),
e5b0d1c6 2024 .workbuf_size = 128 * 1024,
5d73fad1 2025 .tempbuf_size = 304 * 1024,
401e972f 2026 .iram_size = 0x14000,
df1e74cc 2027 },
89548441 2028 [CODA_IMX6Q] = {
e5b0d1c6
PZ		 2029 .firmware = "v4l-coda960-imx6q.bin",
2030 .product = CODA_960,
2031 .codecs = coda9_codecs,
2032 .num_codecs = ARRAY_SIZE(coda9_codecs),
2c11d1bd
PZ		 2033 .vdevs = coda9_video_devices,
2034 .num_vdevs = ARRAY_SIZE(coda9_video_devices),
e5b0d1c6 2035 .workbuf_size = 80 * 1024,
5d73fad1 2036 .tempbuf_size = 204 * 1024,
401e972f 2037 .iram_size = 0x21000,
89548441
PZ		 2038 },
2039 [CODA_IMX6DL] = {
e5b0d1c6
PZ		 2040 .firmware = "v4l-coda960-imx6dl.bin",
2041 .product = CODA_960,
2042 .codecs = coda9_codecs,
2043 .num_codecs = ARRAY_SIZE(coda9_codecs),
2c11d1bd
PZ		 2044 .vdevs = coda9_video_devices,
2045 .num_vdevs = ARRAY_SIZE(coda9_video_devices),
e5b0d1c6 2046 .workbuf_size = 80 * 1024,
5d73fad1 2047 .tempbuf_size = 204 * 1024,
401e972f 2048 .iram_size = 0x20000,
89548441 2049 },
186b250a
JM		 2050};
2051
2052static struct platform_device_id coda_platform_ids[] = {
2053 { .name = "coda-imx27", .driver_data = CODA_IMX27 },
2054 { /* sentinel */ }
2055};
2056MODULE_DEVICE_TABLE(platform, coda_platform_ids);
2057
2058#ifdef CONFIG_OF
2059static const struct of_device_id coda_dt_ids[] = {
7b0dd9e6 2060 { .compatible = "fsl,imx27-vpu", .data = &coda_devdata[CODA_IMX27] },
df1e74cc 2061 { .compatible = "fsl,imx53-vpu", .data = &coda_devdata[CODA_IMX53] },
89548441
PZ		 2062 { .compatible = "fsl,imx6q-vpu", .data = &coda_devdata[CODA_IMX6Q] },
2063 { .compatible = "fsl,imx6dl-vpu", .data = &coda_devdata[CODA_IMX6DL] },
186b250a
JM		 2064 { /* sentinel */ }
2065};
2066MODULE_DEVICE_TABLE(of, coda_dt_ids);
2067#endif
2068
4c62e976 2069static int coda_probe(struct platform_device *pdev)
186b250a
JM		 2070{
2071 const struct of_device_id *of_id =
2072 of_match_device(of_match_ptr(coda_dt_ids), &pdev->dev);
2073 const struct platform_device_id *pdev_id;
657eee7d
PZ		 2074 struct coda_platform_data *pdata = pdev->dev.platform_data;
2075 struct device_node *np = pdev->dev.of_node;
2076 struct gen_pool *pool;
186b250a
JM		 2077 struct coda_dev *dev;
2078 struct resource *res;
2079 int ret, irq;
2080
f23797b6 2081 dev = devm_kzalloc(&pdev->dev, sizeof(*dev), GFP_KERNEL);
6da999d9 2082 if (!dev)
186b250a 2083 return -ENOMEM;
186b250a 2084
b2f91ae3
PZ		 2085 pdev_id = of_id ? of_id->data : platform_get_device_id(pdev);
2086
b7bd660a 2087 if (of_id) {
b2f91ae3 2088 dev->devtype = of_id->data;
b7bd660a 2089 } else if (pdev_id) {
b2f91ae3 2090 dev->devtype = &coda_devdata[pdev_id->driver_data];
b7bd660a
FE		 2091 } else {
2092 ret = -EINVAL;
2093 goto err_v4l2_register;
186b250a
JM		 2094 }
2095
2096 spin_lock_init(&dev->irqlock);
e11f3e6e 2097 INIT_LIST_HEAD(&dev->instances);
186b250a
JM		 2098
2099 dev->plat_dev = pdev;
2100 dev->clk_per = devm_clk_get(&pdev->dev, "per");
2101 if (IS_ERR(dev->clk_per)) {
2102 dev_err(&pdev->dev, "Could not get per clock\n");
2103 return PTR_ERR(dev->clk_per);
2104 }
2105
2106 dev->clk_ahb = devm_clk_get(&pdev->dev, "ahb");
2107 if (IS_ERR(dev->clk_ahb)) {
2108 dev_err(&pdev->dev, "Could not get ahb clock\n");
2109 return PTR_ERR(dev->clk_ahb);
2110 }
2111
2112 /* Get memory for physical registers */
2113 res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
611cbbfe
PZ		 2114 dev->regs_base = devm_ioremap_resource(&pdev->dev, res);
2115 if (IS_ERR(dev->regs_base))
2116 return PTR_ERR(dev->regs_base);
186b250a
JM		 2117
2118 /* IRQ */
540b72e4
PZ		 2119 irq = platform_get_irq_byname(pdev, "bit");
2120 if (irq < 0)
2121 irq = platform_get_irq(pdev, 0);
186b250a
JM		 2122 if (irq < 0) {
2123 dev_err(&pdev->dev, "failed to get irq resource\n");
7d37743a 2124 return irq;
186b250a
JM		 2125 }
2126
08c8d14e
FE		 2127 ret = devm_request_threaded_irq(&pdev->dev, irq, NULL, coda_irq_handler,
2128 IRQF_ONESHOT, dev_name(&pdev->dev), dev);
2129 if (ret < 0) {
2130 dev_err(&pdev->dev, "failed to request irq: %d\n", ret);
2131 return ret;
186b250a
JM		 2132 }
2133
ee27aa90 2134 dev->rstc = devm_reset_control_get_optional(&pdev->dev, NULL);
8f45284c
PZ		 2135 if (IS_ERR(dev->rstc)) {
2136 ret = PTR_ERR(dev->rstc);
ee27aa90 2137 if (ret == -ENOENT || ret == -ENOSYS) {
8f45284c
PZ		 2138 dev->rstc = NULL;
2139 } else {
f23797b6
PZ		 2140 dev_err(&pdev->dev, "failed get reset control: %d\n",
2141 ret);
8f45284c
PZ		 2142 return ret;
2143 }
2144 }
2145
657eee7d
PZ		 2146 /* Get IRAM pool from device tree or platform data */
2147 pool = of_get_named_gen_pool(np, "iram", 0);
2148 if (!pool && pdata)
2149 pool = dev_get_gen_pool(pdata->iram_dev);
2150 if (!pool) {
2151 dev_err(&pdev->dev, "iram pool not available\n");
2152 return -ENOMEM;
2153 }
2154 dev->iram_pool = pool;
2155
186b250a
JM		 2156 ret = v4l2_device_register(&pdev->dev, &dev->v4l2_dev);
2157 if (ret)
2158 return ret;
2159
2160 mutex_init(&dev->dev_mutex);
fcb62825 2161 mutex_init(&dev->coda_mutex);
186b250a 2162
f61c0b14
PZ		 2163 dev->debugfs_root = debugfs_create_dir("coda", NULL);
2164 if (!dev->debugfs_root)
2165 dev_warn(&pdev->dev, "failed to create debugfs root\n");
2166
186b250a 2167 /* allocate auxiliary per-device buffers for the BIT processor */
5d73fad1 2168 if (dev->devtype->product == CODA_DX6) {
5677e3b0 2169 ret = coda_alloc_aux_buf(dev, &dev->workbuf,
e5b0d1c6 2170 dev->devtype->workbuf_size, "workbuf",
f61c0b14 2171 dev->debugfs_root);
5677e3b0
PZ		 2172 if (ret < 0) {
2173 dev_err(&pdev->dev, "failed to allocate work buffer\n");
b7bd660a 2174 goto err_v4l2_register;
5677e3b0 2175 }
186b250a 2176 }
5d73fad1
PZ		 2177
2178 if (dev->devtype->tempbuf_size) {
5677e3b0 2179 ret = coda_alloc_aux_buf(dev, &dev->tempbuf,
5d73fad1 2180 dev->devtype->tempbuf_size, "tempbuf",
f61c0b14 2181 dev->debugfs_root);
5677e3b0
PZ		 2182 if (ret < 0) {
2183 dev_err(&pdev->dev, "failed to allocate temp buffer\n");
b7bd660a 2184 goto err_v4l2_register;
5677e3b0 2185 }
186b250a
JM		 2186 }
2187
401e972f 2188 dev->iram.size = dev->devtype->iram_size;
b313bcc9
PZ		 2189 dev->iram.vaddr = gen_pool_dma_alloc(dev->iram_pool, dev->iram.size,
2190 &dev->iram.paddr);
2191 if (!dev->iram.vaddr) {
8be31c89
PZ		 2192 dev_warn(&pdev->dev, "unable to alloc iram\n");
2193 } else {
811a6934 2194 memset(dev->iram.vaddr, 0, dev->iram.size);
8be31c89
PZ		 2195 dev->iram.blob.data = dev->iram.vaddr;
2196 dev->iram.blob.size = dev->iram.size;
2197 dev->iram.dentry = debugfs_create_blob("iram", 0644,
2198 dev->debugfs_root,
2199 &dev->iram.blob);
1043667b
PZ		 2200 }
2201
32b6f206
PZ		 2202 dev->workqueue = alloc_workqueue("coda", WQ_UNBOUND | WQ_MEM_RECLAIM, 1);
2203 if (!dev->workqueue) {
2204 dev_err(&pdev->dev, "unable to alloc workqueue\n");
74d08d55
FE		 2205 ret = -ENOMEM;
2206 goto err_v4l2_register;
32b6f206
PZ		 2207 }
2208
186b250a
JM		 2209 platform_set_drvdata(pdev, dev);
2210
c5d28e29
UH		 2211 /*
2212 * Start activated so we can directly call coda_hw_init in
e243c7c1 2213 * coda_fw_callback regardless of whether CONFIG_PM is
c5d28e29
UH		 2214 * enabled or whether the device is associated with a PM domain.
2215 */
2216 pm_runtime_get_noresume(&pdev->dev);
2217 pm_runtime_set_active(&pdev->dev);
1e172731
PZ		 2218 pm_runtime_enable(&pdev->dev);
2219
186b250a 2220 return coda_firmware_request(dev);
b7bd660a
FE		 2221
2222err_v4l2_register:
2223 v4l2_device_unregister(&dev->v4l2_dev);
2224 return ret;
186b250a
JM		 2225}
2226
2227static int coda_remove(struct platform_device *pdev)
2228{
2229 struct coda_dev *dev = platform_get_drvdata(pdev);
2c11d1bd 2230 int i;
186b250a 2231
2c11d1bd
PZ		 2232 for (i = 0; i < ARRAY_SIZE(dev->vfd); i++) {
2233 if (video_get_drvdata(&dev->vfd[i]))
2234 video_unregister_device(&dev->vfd[i]);
2235 }
186b250a
JM		 2236 if (dev->m2m_dev)
2237 v4l2_m2m_release(dev->m2m_dev);
1e172731 2238 pm_runtime_disable(&pdev->dev);
186b250a
JM		 2239 if (dev->alloc_ctx)
2240 vb2_dma_contig_cleanup_ctx(dev->alloc_ctx);
2241 v4l2_device_unregister(&dev->v4l2_dev);
32b6f206 2242 destroy_workqueue(dev->workqueue);
b313bcc9
PZ		 2243 if (dev->iram.vaddr)
2244 gen_pool_free(dev->iram_pool, (unsigned long)dev->iram.vaddr,
2245 dev->iram.size);
5677e3b0
PZ		 2246 coda_free_aux_buf(dev, &dev->codebuf);
2247 coda_free_aux_buf(dev, &dev->tempbuf);
2248 coda_free_aux_buf(dev, &dev->workbuf);
f61c0b14 2249 debugfs_remove_recursive(dev->debugfs_root);
186b250a
JM		 2250 return 0;
2251}
2252
e243c7c1 2253#ifdef CONFIG_PM
1e172731
PZ		 2254static int coda_runtime_resume(struct device *dev)
2255{
2256 struct coda_dev *cdev = dev_get_drvdata(dev);
2257 int ret = 0;
2258
65919e6b 2259 if (dev->pm_domain && cdev->codebuf.vaddr) {
1e172731
PZ		 2260 ret = coda_hw_init(cdev);
2261 if (ret)
2262 v4l2_err(&cdev->v4l2_dev, "HW initialization failed\n");
2263 }
2264
2265 return ret;
2266}
2267#endif
2268
2269static const struct dev_pm_ops coda_pm_ops = {
2270 SET_RUNTIME_PM_OPS(NULL, coda_runtime_resume, NULL)
2271};
2272
186b250a
JM		 2273static struct platform_driver coda_driver = {
2274 .probe = coda_probe,
4c62e976 2275 .remove = coda_remove,
186b250a
JM		 2276 .driver = {
2277 .name = CODA_NAME,
186b250a 2278 .of_match_table = of_match_ptr(coda_dt_ids),
1e172731 2279 .pm = &coda_pm_ops,
186b250a
JM		 2280 },
2281 .id_table = coda_platform_ids,
2282};
2283
2284module_platform_driver(coda_driver);
2285
2286MODULE_LICENSE("GPL");
2287MODULE_AUTHOR("Javier Martin <javier.martin@vista-silicon.com>");
2288MODULE_DESCRIPTION("Coda multi-standard codec V4L2 driver");
Linux kernel - Deliverables
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