blob: 42b46301eff230657080bf2a18965ebca67232b8 [file] [log] [blame]
Javier Martin186b2502012-07-26 05:53:35 -03001/*
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>
Philipp Zabelf61c0b12014-07-11 06:36:40 -030015#include <linux/debugfs.h>
Javier Martin186b2502012-07-26 05:53:35 -030016#include <linux/delay.h>
17#include <linux/firmware.h>
Philipp Zabel657eee72013-04-29 16:17:14 -070018#include <linux/genalloc.h>
Javier Martin186b2502012-07-26 05:53:35 -030019#include <linux/interrupt.h>
20#include <linux/io.h>
21#include <linux/irq.h>
Philipp Zabel9082a7c2013-06-21 03:55:31 -030022#include <linux/kfifo.h>
Javier Martin186b2502012-07-26 05:53:35 -030023#include <linux/module.h>
24#include <linux/of_device.h>
25#include <linux/platform_device.h>
Philipp Zabel1e172732014-07-11 06:36:23 -030026#include <linux/pm_runtime.h>
Javier Martin186b2502012-07-26 05:53:35 -030027#include <linux/slab.h>
28#include <linux/videodev2.h>
29#include <linux/of.h>
Philipp Zabel657eee72013-04-29 16:17:14 -070030#include <linux/platform_data/coda.h>
Philipp Zabel8f452842014-07-11 06:36:35 -030031#include <linux/reset.h>
Javier Martin186b2502012-07-26 05:53:35 -030032
33#include <media/v4l2-ctrls.h>
34#include <media/v4l2-device.h>
Philipp Zabel918c66f2013-06-27 06:59:01 -030035#include <media/v4l2-event.h>
Javier Martin186b2502012-07-26 05:53:35 -030036#include <media/v4l2-ioctl.h>
37#include <media/v4l2-mem2mem.h>
38#include <media/videobuf2-core.h>
39#include <media/videobuf2-dma-contig.h>
40
Philipp Zabela2b3e462014-07-23 12:28:39 -030041#include "coda.h"
Javier Martin186b2502012-07-26 05:53:35 -030042
43#define CODA_NAME "coda"
44
Philipp Zabel0cddc7e2013-09-30 10:34:44 -030045#define CODADX6_MAX_INSTANCES 4
Philipp Zabel2c11d1b2014-10-02 14:08:28 -030046#define CODA_MAX_FORMATS 4
Javier Martin186b2502012-07-26 05:53:35 -030047
Javier Martin186b2502012-07-26 05:53:35 -030048#define CODA_PARA_BUF_SIZE (10 * 1024)
49#define CODA_ISRAM_SIZE (2048 * 2)
50
Javier Martin186b2502012-07-26 05:53:35 -030051#define MIN_W 176
52#define MIN_H 144
Javier Martin186b2502012-07-26 05:53:35 -030053
54#define S_ALIGN 1 /* multiple of 2 */
55#define W_ALIGN 1 /* multiple of 2 */
56#define H_ALIGN 1 /* multiple of 2 */
57
58#define fh_to_ctx(__fh) container_of(__fh, struct coda_ctx, fh)
59
Philipp Zabel79924ca2014-07-23 12:28:45 -030060int coda_debug;
Philipp Zabelc4eb1bfc2013-05-21 04:24:16 -030061module_param(coda_debug, int, 0644);
Philipp Zabeld60b18b2014-08-05 14:00:15 -030062MODULE_PARM_DESC(coda_debug, "Debug level (0-2)");
Javier Martin186b2502012-07-26 05:53:35 -030063
Javier Martin186b2502012-07-26 05:53:35 -030064struct coda_fmt {
65 char *name;
66 u32 fourcc;
Philipp Zabelb96904e2013-05-23 10:42:58 -030067};
68
Philipp Zabela2b3e462014-07-23 12:28:39 -030069void coda_write(struct coda_dev *dev, u32 data, u32 reg)
Javier Martin186b2502012-07-26 05:53:35 -030070{
Philipp Zabeld60b18b2014-08-05 14:00:15 -030071 v4l2_dbg(2, coda_debug, &dev->v4l2_dev,
Javier Martin186b2502012-07-26 05:53:35 -030072 "%s: data=0x%x, reg=0x%x\n", __func__, data, reg);
73 writel(data, dev->regs_base + reg);
74}
75
Philipp Zabela2b3e462014-07-23 12:28:39 -030076unsigned int coda_read(struct coda_dev *dev, u32 reg)
Javier Martin186b2502012-07-26 05:53:35 -030077{
78 u32 data;
Philipp Zabelf23797b2014-08-06 08:02:23 -030079
Javier Martin186b2502012-07-26 05:53:35 -030080 data = readl(dev->regs_base + reg);
Philipp Zabeld60b18b2014-08-05 14:00:15 -030081 v4l2_dbg(2, coda_debug, &dev->v4l2_dev,
Javier Martin186b2502012-07-26 05:53:35 -030082 "%s: data=0x%x, reg=0x%x\n", __func__, data, reg);
83 return data;
84}
85
Philipp Zabel856d7d92014-09-29 09:53:44 -030086void coda_write_base(struct coda_ctx *ctx, struct coda_q_data *q_data,
87 struct vb2_buffer *buf, unsigned int reg_y)
88{
89 u32 base_y = vb2_dma_contig_plane_dma_addr(buf, 0);
90 u32 base_cb, base_cr;
91
92 switch (q_data->fourcc) {
93 case V4L2_PIX_FMT_YVU420:
94 /* Switch Cb and Cr for YVU420 format */
95 base_cr = base_y + q_data->bytesperline * q_data->height;
96 base_cb = base_cr + q_data->bytesperline * q_data->height / 4;
97 break;
98 case V4L2_PIX_FMT_YUV420:
Philipp Zabel1cb12cf2014-09-29 09:53:47 -030099 case V4L2_PIX_FMT_NV12:
Philipp Zabel856d7d92014-09-29 09:53:44 -0300100 default:
101 base_cb = base_y + q_data->bytesperline * q_data->height;
102 base_cr = base_cb + q_data->bytesperline * q_data->height / 4;
103 break;
Philipp Zabel4de69312014-10-02 14:08:26 -0300104 case V4L2_PIX_FMT_YUV422P:
105 base_cb = base_y + q_data->bytesperline * q_data->height;
106 base_cr = base_cb + q_data->bytesperline * q_data->height / 2;
Philipp Zabel856d7d92014-09-29 09:53:44 -0300107 }
108
109 coda_write(ctx->dev, base_y, reg_y);
110 coda_write(ctx->dev, base_cb, reg_y + 4);
111 coda_write(ctx->dev, base_cr, reg_y + 8);
112}
113
Javier Martin186b2502012-07-26 05:53:35 -0300114/*
Philipp Zabelb96904e2013-05-23 10:42:58 -0300115 * Array of all formats supported by any version of Coda:
Javier Martin186b2502012-07-26 05:53:35 -0300116 */
Philipp Zabel814c3762014-07-18 07:22:45 -0300117static const struct coda_fmt coda_formats[] = {
Javier Martin186b2502012-07-26 05:53:35 -0300118 {
Philipp Zabelb96904e2013-05-23 10:42:58 -0300119 .name = "YUV 4:2:0 Planar, YCbCr",
Javier Martin186b2502012-07-26 05:53:35 -0300120 .fourcc = V4L2_PIX_FMT_YUV420,
Philipp Zabelb96904e2013-05-23 10:42:58 -0300121 },
122 {
123 .name = "YUV 4:2:0 Planar, YCrCb",
124 .fourcc = V4L2_PIX_FMT_YVU420,
Javier Martin186b2502012-07-26 05:53:35 -0300125 },
126 {
Philipp Zabel1cb12cf2014-09-29 09:53:47 -0300127 .name = "YUV 4:2:0 Partial interleaved Y/CbCr",
128 .fourcc = V4L2_PIX_FMT_NV12,
129 },
130 {
Philipp Zabel4de69312014-10-02 14:08:26 -0300131 .name = "YUV 4:2:2 Planar, YCbCr",
132 .fourcc = V4L2_PIX_FMT_YUV422P,
133 },
134 {
Javier Martin186b2502012-07-26 05:53:35 -0300135 .name = "H264 Encoded Stream",
136 .fourcc = V4L2_PIX_FMT_H264,
Javier Martin186b2502012-07-26 05:53:35 -0300137 },
138 {
139 .name = "MPEG4 Encoded Stream",
140 .fourcc = V4L2_PIX_FMT_MPEG4,
Javier Martin186b2502012-07-26 05:53:35 -0300141 },
Philipp Zabelcb1d3a32014-10-02 14:08:31 -0300142 {
143 .name = "JPEG Encoded Images",
144 .fourcc = V4L2_PIX_FMT_JPEG,
145 },
Javier Martin186b2502012-07-26 05:53:35 -0300146};
147
Philipp Zabelb96904e2013-05-23 10:42:58 -0300148#define CODA_CODEC(mode, src_fourcc, dst_fourcc, max_w, max_h) \
149 { mode, src_fourcc, dst_fourcc, max_w, max_h }
150
151/*
152 * Arrays of codecs supported by each given version of Coda:
153 * i.MX27 -> codadx6
154 * i.MX5x -> coda7
155 * i.MX6 -> coda960
156 * Use V4L2_PIX_FMT_YUV420 as placeholder for all supported YUV 4:2:0 variants
157 */
Philipp Zabel814c3762014-07-18 07:22:45 -0300158static const struct coda_codec codadx6_codecs[] = {
Philipp Zabelb96904e2013-05-23 10:42:58 -0300159 CODA_CODEC(CODADX6_MODE_ENCODE_H264, V4L2_PIX_FMT_YUV420, V4L2_PIX_FMT_H264, 720, 576),
160 CODA_CODEC(CODADX6_MODE_ENCODE_MP4, V4L2_PIX_FMT_YUV420, V4L2_PIX_FMT_MPEG4, 720, 576),
Philipp Zabeldf1e74c2012-07-02 06:07:10 -0300161};
162
Philipp Zabel814c3762014-07-18 07:22:45 -0300163static const struct coda_codec coda7_codecs[] = {
Philipp Zabelb96904e2013-05-23 10:42:58 -0300164 CODA_CODEC(CODA7_MODE_ENCODE_H264, V4L2_PIX_FMT_YUV420, V4L2_PIX_FMT_H264, 1280, 720),
165 CODA_CODEC(CODA7_MODE_ENCODE_MP4, V4L2_PIX_FMT_YUV420, V4L2_PIX_FMT_MPEG4, 1280, 720),
Philipp Zabelcb1d3a32014-10-02 14:08:31 -0300166 CODA_CODEC(CODA7_MODE_ENCODE_MJPG, V4L2_PIX_FMT_YUV420, V4L2_PIX_FMT_JPEG, 8192, 8192),
Philipp Zabelb0ed05b2014-08-05 14:00:14 -0300167 CODA_CODEC(CODA7_MODE_DECODE_H264, V4L2_PIX_FMT_H264, V4L2_PIX_FMT_YUV420, 1920, 1088),
168 CODA_CODEC(CODA7_MODE_DECODE_MP4, V4L2_PIX_FMT_MPEG4, V4L2_PIX_FMT_YUV420, 1920, 1088),
Philipp Zabelcb1d3a32014-10-02 14:08:31 -0300169 CODA_CODEC(CODA7_MODE_DECODE_MJPG, V4L2_PIX_FMT_JPEG, V4L2_PIX_FMT_YUV420, 8192, 8192),
Philipp Zabelb96904e2013-05-23 10:42:58 -0300170};
171
Philipp Zabel814c3762014-07-18 07:22:45 -0300172static const struct coda_codec coda9_codecs[] = {
Philipp Zabelb0ed05b2014-08-05 14:00:14 -0300173 CODA_CODEC(CODA9_MODE_ENCODE_H264, V4L2_PIX_FMT_YUV420, V4L2_PIX_FMT_H264, 1920, 1088),
174 CODA_CODEC(CODA9_MODE_ENCODE_MP4, V4L2_PIX_FMT_YUV420, V4L2_PIX_FMT_MPEG4, 1920, 1088),
175 CODA_CODEC(CODA9_MODE_DECODE_H264, V4L2_PIX_FMT_H264, V4L2_PIX_FMT_YUV420, 1920, 1088),
176 CODA_CODEC(CODA9_MODE_DECODE_MP4, V4L2_PIX_FMT_MPEG4, V4L2_PIX_FMT_YUV420, 1920, 1088),
Philipp Zabel89548442014-07-11 06:36:17 -0300177};
178
Philipp Zabel2c11d1b2014-10-02 14:08:28 -0300179struct coda_video_device {
180 const char *name;
181 enum coda_inst_type type;
182 const struct coda_context_ops *ops;
183 u32 src_formats[CODA_MAX_FORMATS];
184 u32 dst_formats[CODA_MAX_FORMATS];
185};
186
187static const struct coda_video_device coda_bit_encoder = {
188 .name = "coda-encoder",
189 .type = CODA_INST_ENCODER,
190 .ops = &coda_bit_encode_ops,
191 .src_formats = {
192 V4L2_PIX_FMT_YUV420,
193 V4L2_PIX_FMT_YVU420,
194 V4L2_PIX_FMT_NV12,
195 },
196 .dst_formats = {
197 V4L2_PIX_FMT_H264,
198 V4L2_PIX_FMT_MPEG4,
199 },
200};
201
Philipp Zabelcb1d3a32014-10-02 14:08:31 -0300202static const struct coda_video_device coda_bit_jpeg_encoder = {
203 .name = "coda-jpeg-encoder",
204 .type = CODA_INST_ENCODER,
205 .ops = &coda_bit_encode_ops,
206 .src_formats = {
207 V4L2_PIX_FMT_YUV420,
208 V4L2_PIX_FMT_YVU420,
209 V4L2_PIX_FMT_NV12,
210 V4L2_PIX_FMT_YUV422P,
211 },
212 .dst_formats = {
213 V4L2_PIX_FMT_JPEG,
214 },
215};
216
Philipp Zabel2c11d1b2014-10-02 14:08:28 -0300217static const struct coda_video_device coda_bit_decoder = {
218 .name = "coda-decoder",
219 .type = CODA_INST_DECODER,
220 .ops = &coda_bit_decode_ops,
221 .src_formats = {
222 V4L2_PIX_FMT_H264,
223 V4L2_PIX_FMT_MPEG4,
224 },
225 .dst_formats = {
226 V4L2_PIX_FMT_YUV420,
227 V4L2_PIX_FMT_YVU420,
228 V4L2_PIX_FMT_NV12,
229 },
230};
231
Philipp Zabelcb1d3a32014-10-02 14:08:31 -0300232static const struct coda_video_device coda_bit_jpeg_decoder = {
233 .name = "coda-jpeg-decoder",
234 .type = CODA_INST_DECODER,
235 .ops = &coda_bit_decode_ops,
236 .src_formats = {
237 V4L2_PIX_FMT_JPEG,
238 },
239 .dst_formats = {
240 V4L2_PIX_FMT_YUV420,
241 V4L2_PIX_FMT_YVU420,
242 V4L2_PIX_FMT_NV12,
243 V4L2_PIX_FMT_YUV422P,
244 },
245};
246
Philipp Zabel2c11d1b2014-10-02 14:08:28 -0300247static const struct coda_video_device *codadx6_video_devices[] = {
248 &coda_bit_encoder,
249};
250
251static const struct coda_video_device *coda7_video_devices[] = {
Philipp Zabelcb1d3a32014-10-02 14:08:31 -0300252 &coda_bit_jpeg_encoder,
253 &coda_bit_jpeg_decoder,
Philipp Zabel2c11d1b2014-10-02 14:08:28 -0300254 &coda_bit_encoder,
255 &coda_bit_decoder,
256};
257
258static const struct coda_video_device *coda9_video_devices[] = {
259 &coda_bit_encoder,
260 &coda_bit_decoder,
261};
262
Philipp Zabelb96904e2013-05-23 10:42:58 -0300263static bool coda_format_is_yuv(u32 fourcc)
Javier Martin186b2502012-07-26 05:53:35 -0300264{
Philipp Zabelb96904e2013-05-23 10:42:58 -0300265 switch (fourcc) {
266 case V4L2_PIX_FMT_YUV420:
267 case V4L2_PIX_FMT_YVU420:
Philipp Zabel1cb12cf2014-09-29 09:53:47 -0300268 case V4L2_PIX_FMT_NV12:
Philipp Zabel4de69312014-10-02 14:08:26 -0300269 case V4L2_PIX_FMT_YUV422P:
Philipp Zabelb96904e2013-05-23 10:42:58 -0300270 return true;
271 default:
272 return false;
273 }
274}
Javier Martin186b2502012-07-26 05:53:35 -0300275
Philipp Zabel2c11d1b2014-10-02 14:08:28 -0300276static const char *coda_format_name(u32 fourcc)
277{
278 int i;
279
280 for (i = 0; i < ARRAY_SIZE(coda_formats); i++) {
281 if (coda_formats[i].fourcc == fourcc)
282 return coda_formats[i].name;
283 }
284
285 return NULL;
286}
287
Philipp Zabelb96904e2013-05-23 10:42:58 -0300288/*
289 * Normalize all supported YUV 4:2:0 formats to the value used in the codec
290 * tables.
291 */
292static u32 coda_format_normalize_yuv(u32 fourcc)
293{
294 return coda_format_is_yuv(fourcc) ? V4L2_PIX_FMT_YUV420 : fourcc;
295}
296
Philipp Zabel814c3762014-07-18 07:22:45 -0300297static const struct coda_codec *coda_find_codec(struct coda_dev *dev,
298 int src_fourcc, int dst_fourcc)
Philipp Zabelb96904e2013-05-23 10:42:58 -0300299{
Philipp Zabel814c3762014-07-18 07:22:45 -0300300 const struct coda_codec *codecs = dev->devtype->codecs;
Philipp Zabelb96904e2013-05-23 10:42:58 -0300301 int num_codecs = dev->devtype->num_codecs;
302 int k;
303
304 src_fourcc = coda_format_normalize_yuv(src_fourcc);
305 dst_fourcc = coda_format_normalize_yuv(dst_fourcc);
306 if (src_fourcc == dst_fourcc)
307 return NULL;
308
309 for (k = 0; k < num_codecs; k++) {
310 if (codecs[k].src_fourcc == src_fourcc &&
311 codecs[k].dst_fourcc == dst_fourcc)
Javier Martin186b2502012-07-26 05:53:35 -0300312 break;
313 }
314
Philipp Zabelb96904e2013-05-23 10:42:58 -0300315 if (k == num_codecs)
Javier Martin186b2502012-07-26 05:53:35 -0300316 return NULL;
317
Philipp Zabelb96904e2013-05-23 10:42:58 -0300318 return &codecs[k];
Javier Martin186b2502012-07-26 05:53:35 -0300319}
320
Philipp Zabel57625592013-09-30 10:34:51 -0300321static void coda_get_max_dimensions(struct coda_dev *dev,
Philipp Zabel814c3762014-07-18 07:22:45 -0300322 const struct coda_codec *codec,
Philipp Zabel57625592013-09-30 10:34:51 -0300323 int *max_w, int *max_h)
324{
Philipp Zabel814c3762014-07-18 07:22:45 -0300325 const struct coda_codec *codecs = dev->devtype->codecs;
Philipp Zabel57625592013-09-30 10:34:51 -0300326 int num_codecs = dev->devtype->num_codecs;
327 unsigned int w, h;
328 int k;
329
330 if (codec) {
331 w = codec->max_w;
332 h = codec->max_h;
333 } else {
334 for (k = 0, w = 0, h = 0; k < num_codecs; k++) {
335 w = max(w, codecs[k].max_w);
336 h = max(h, codecs[k].max_h);
337 }
338 }
339
340 if (max_w)
341 *max_w = w;
342 if (max_h)
343 *max_h = h;
344}
345
Philipp Zabel2c11d1b2014-10-02 14:08:28 -0300346const struct coda_video_device *to_coda_video_device(struct video_device *vdev)
347{
348 struct coda_dev *dev = video_get_drvdata(vdev);
349 unsigned int i = vdev - dev->vfd;
350
351 if (i >= dev->devtype->num_vdevs)
352 return NULL;
353
354 return dev->devtype->vdevs[i];
355}
356
Philipp Zabel79924ca2014-07-23 12:28:45 -0300357const char *coda_product_name(int product)
Philipp Zabel927933f2013-09-30 10:34:48 -0300358{
359 static char buf[9];
360
361 switch (product) {
362 case CODA_DX6:
363 return "CodaDx6";
364 case CODA_7541:
365 return "CODA7541";
Philipp Zabel89548442014-07-11 06:36:17 -0300366 case CODA_960:
367 return "CODA960";
Philipp Zabel927933f2013-09-30 10:34:48 -0300368 default:
369 snprintf(buf, sizeof(buf), "(0x%04x)", product);
370 return buf;
371 }
372}
373
Javier Martin186b2502012-07-26 05:53:35 -0300374/*
375 * V4L2 ioctl() operations.
376 */
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300377static int coda_querycap(struct file *file, void *priv,
378 struct v4l2_capability *cap)
Javier Martin186b2502012-07-26 05:53:35 -0300379{
Philipp Zabel927933f2013-09-30 10:34:48 -0300380 struct coda_ctx *ctx = fh_to_ctx(priv);
381
Javier Martin186b2502012-07-26 05:53:35 -0300382 strlcpy(cap->driver, CODA_NAME, sizeof(cap->driver));
Philipp Zabel927933f2013-09-30 10:34:48 -0300383 strlcpy(cap->card, coda_product_name(ctx->dev->devtype->product),
384 sizeof(cap->card));
Philipp Zabeldad0e1c2013-05-21 04:18:22 -0300385 strlcpy(cap->bus_info, "platform:" CODA_NAME, sizeof(cap->bus_info));
Philipp Zabel3898e7a2014-07-18 07:22:37 -0300386 cap->device_caps = V4L2_CAP_VIDEO_M2M | V4L2_CAP_STREAMING;
Javier Martin186b2502012-07-26 05:53:35 -0300387 cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS;
388
389 return 0;
390}
391
Philipp Zabel22e244b2014-07-18 07:22:43 -0300392static int coda_enum_fmt(struct file *file, void *priv,
393 struct v4l2_fmtdesc *f)
Javier Martin186b2502012-07-26 05:53:35 -0300394{
Philipp Zabel2c11d1b2014-10-02 14:08:28 -0300395 struct video_device *vdev = video_devdata(file);
396 const struct coda_video_device *cvd = to_coda_video_device(vdev);
397 const u32 *formats;
398 const char *name;
Philipp Zabel22e244b2014-07-18 07:22:43 -0300399
Philipp Zabel2c11d1b2014-10-02 14:08:28 -0300400 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT)
401 formats = cvd->src_formats;
402 else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE)
403 formats = cvd->dst_formats;
Philipp Zabel22e244b2014-07-18 07:22:43 -0300404 else
Philipp Zabel2c11d1b2014-10-02 14:08:28 -0300405 return -EINVAL;
Javier Martin186b2502012-07-26 05:53:35 -0300406
Philipp Zabel2c11d1b2014-10-02 14:08:28 -0300407 if (f->index >= CODA_MAX_FORMATS || formats[f->index] == 0)
408 return -EINVAL;
Javier Martin186b2502012-07-26 05:53:35 -0300409
Philipp Zabel2c11d1b2014-10-02 14:08:28 -0300410 name = coda_format_name(formats[f->index]);
411 strlcpy(f->description, name, sizeof(f->description));
412 f->pixelformat = formats[f->index];
413 if (!coda_format_is_yuv(formats[f->index]))
414 f->flags |= V4L2_FMT_FLAG_COMPRESSED;
Javier Martin186b2502012-07-26 05:53:35 -0300415
Philipp Zabel2c11d1b2014-10-02 14:08:28 -0300416 return 0;
Javier Martin186b2502012-07-26 05:53:35 -0300417}
418
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300419static int coda_g_fmt(struct file *file, void *priv,
420 struct v4l2_format *f)
Javier Martin186b2502012-07-26 05:53:35 -0300421{
Javier Martin186b2502012-07-26 05:53:35 -0300422 struct coda_q_data *q_data;
423 struct coda_ctx *ctx = fh_to_ctx(priv);
424
Javier Martin186b2502012-07-26 05:53:35 -0300425 q_data = get_q_data(ctx, f->type);
Philipp Zabelb9736292014-07-11 06:36:18 -0300426 if (!q_data)
427 return -EINVAL;
Javier Martin186b2502012-07-26 05:53:35 -0300428
429 f->fmt.pix.field = V4L2_FIELD_NONE;
Philipp Zabelb96904e2013-05-23 10:42:58 -0300430 f->fmt.pix.pixelformat = q_data->fourcc;
Javier Martin186b2502012-07-26 05:53:35 -0300431 f->fmt.pix.width = q_data->width;
432 f->fmt.pix.height = q_data->height;
Philipp Zabel2fd6a372014-07-11 06:36:36 -0300433 f->fmt.pix.bytesperline = q_data->bytesperline;
Javier Martin186b2502012-07-26 05:53:35 -0300434
435 f->fmt.pix.sizeimage = q_data->sizeimage;
Philipp Zabelcb1d3a32014-10-02 14:08:31 -0300436 if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_JPEG)
437 f->fmt.pix.colorspace = V4L2_COLORSPACE_JPEG;
438 else
439 f->fmt.pix.colorspace = ctx->colorspace;
Javier Martin186b2502012-07-26 05:53:35 -0300440
441 return 0;
442}
443
Philipp Zabel2c11d1b2014-10-02 14:08:28 -0300444static int coda_try_pixelformat(struct coda_ctx *ctx, struct v4l2_format *f)
445{
446 struct coda_q_data *q_data;
447 const u32 *formats;
448 int i;
449
450 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT)
451 formats = ctx->cvd->src_formats;
452 else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE)
453 formats = ctx->cvd->dst_formats;
454 else
455 return -EINVAL;
456
457 for (i = 0; i < CODA_MAX_FORMATS; i++) {
458 if (formats[i] == f->fmt.pix.pixelformat) {
459 f->fmt.pix.pixelformat = formats[i];
460 return 0;
461 }
462 }
463
464 /* Fall back to currently set pixelformat */
465 q_data = get_q_data(ctx, f->type);
466 f->fmt.pix.pixelformat = q_data->fourcc;
467
468 return 0;
469}
470
Philipp Zabel814c3762014-07-18 07:22:45 -0300471static int coda_try_fmt(struct coda_ctx *ctx, const struct coda_codec *codec,
Philipp Zabel57625592013-09-30 10:34:51 -0300472 struct v4l2_format *f)
Javier Martin186b2502012-07-26 05:53:35 -0300473{
Philipp Zabel57625592013-09-30 10:34:51 -0300474 struct coda_dev *dev = ctx->dev;
Philipp Zabelb96904e2013-05-23 10:42:58 -0300475 unsigned int max_w, max_h;
Javier Martin186b2502012-07-26 05:53:35 -0300476 enum v4l2_field field;
477
478 field = f->fmt.pix.field;
479 if (field == V4L2_FIELD_ANY)
480 field = V4L2_FIELD_NONE;
481 else if (V4L2_FIELD_NONE != field)
482 return -EINVAL;
483
484 /* V4L2 specification suggests the driver corrects the format struct
485 * if any of the dimensions is unsupported */
486 f->fmt.pix.field = field;
487
Philipp Zabel57625592013-09-30 10:34:51 -0300488 coda_get_max_dimensions(dev, codec, &max_w, &max_h);
489 v4l_bound_align_image(&f->fmt.pix.width, MIN_W, max_w, W_ALIGN,
490 &f->fmt.pix.height, MIN_H, max_h, H_ALIGN,
491 S_ALIGN);
Philipp Zabelb96904e2013-05-23 10:42:58 -0300492
Philipp Zabel57625592013-09-30 10:34:51 -0300493 switch (f->fmt.pix.pixelformat) {
494 case V4L2_PIX_FMT_YUV420:
495 case V4L2_PIX_FMT_YVU420:
Philipp Zabel1cb12cf2014-09-29 09:53:47 -0300496 case V4L2_PIX_FMT_NV12:
Philipp Zabelcb1d3a32014-10-02 14:08:31 -0300497 /*
498 * Frame stride must be at least multiple of 8,
499 * but multiple of 16 for h.264 or JPEG 4:2:x
500 */
Philipp Zabel451dfe52014-07-11 06:36:39 -0300501 f->fmt.pix.bytesperline = round_up(f->fmt.pix.width, 16);
Philipp Zabel47cf0c62013-05-23 10:42:54 -0300502 f->fmt.pix.sizeimage = f->fmt.pix.bytesperline *
Philipp Zabel451d43a2012-07-26 09:18:27 -0300503 f->fmt.pix.height * 3 / 2;
Philipp Zabel57625592013-09-30 10:34:51 -0300504 break;
Philipp Zabel4de69312014-10-02 14:08:26 -0300505 case V4L2_PIX_FMT_YUV422P:
506 f->fmt.pix.bytesperline = round_up(f->fmt.pix.width, 16);
507 f->fmt.pix.sizeimage = f->fmt.pix.bytesperline *
508 f->fmt.pix.height * 2;
509 break;
Philipp Zabelcb1d3a32014-10-02 14:08:31 -0300510 case V4L2_PIX_FMT_JPEG:
511 f->fmt.pix.colorspace = V4L2_COLORSPACE_JPEG;
512 /* fallthrough */
Philipp Zabel57625592013-09-30 10:34:51 -0300513 case V4L2_PIX_FMT_H264:
514 case V4L2_PIX_FMT_MPEG4:
Javier Martin186b2502012-07-26 05:53:35 -0300515 f->fmt.pix.bytesperline = 0;
Philipp Zabeld4c6a412014-10-02 14:08:35 -0300516 /*
517 * This is a rough estimate for sensible compressed buffer
518 * sizes (between 1 and 16 bits per pixel). This could be
519 * improved by better format specific worst case estimates.
520 */
521 f->fmt.pix.sizeimage = round_up(clamp(f->fmt.pix.sizeimage,
522 f->fmt.pix.width * f->fmt.pix.height / 8,
523 f->fmt.pix.width * f->fmt.pix.height * 2),
524 PAGE_SIZE);
Philipp Zabel57625592013-09-30 10:34:51 -0300525 break;
526 default:
527 BUG();
Javier Martin186b2502012-07-26 05:53:35 -0300528 }
529
530 return 0;
531}
532
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300533static int coda_try_fmt_vid_cap(struct file *file, void *priv,
534 struct v4l2_format *f)
Javier Martin186b2502012-07-26 05:53:35 -0300535{
Javier Martin186b2502012-07-26 05:53:35 -0300536 struct coda_ctx *ctx = fh_to_ctx(priv);
Philipp Zabel2c11d1b2014-10-02 14:08:28 -0300537 const struct coda_q_data *q_data_src;
538 const struct coda_codec *codec;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300539 struct vb2_queue *src_vq;
540 int ret;
Javier Martin186b2502012-07-26 05:53:35 -0300541
Philipp Zabel2c11d1b2014-10-02 14:08:28 -0300542 ret = coda_try_pixelformat(ctx, f);
543 if (ret < 0)
544 return ret;
545
546 q_data_src = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
547
Philipp Zabel918c66f2013-06-27 06:59:01 -0300548 /*
Philipp Zabel2c11d1b2014-10-02 14:08:28 -0300549 * If the source format is already fixed, only allow the same output
550 * resolution
Philipp Zabel918c66f2013-06-27 06:59:01 -0300551 */
Philipp Zabel14604e32014-07-11 06:36:22 -0300552 src_vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300553 if (vb2_is_streaming(src_vq)) {
Philipp Zabel91b5841e2014-07-18 07:22:41 -0300554 f->fmt.pix.width = q_data_src->width;
555 f->fmt.pix.height = q_data_src->height;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300556 }
Javier Martin186b2502012-07-26 05:53:35 -0300557
558 f->fmt.pix.colorspace = ctx->colorspace;
559
Philipp Zabel2c11d1b2014-10-02 14:08:28 -0300560 q_data_src = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
561 codec = coda_find_codec(ctx->dev, q_data_src->fourcc,
562 f->fmt.pix.pixelformat);
563 if (!codec)
564 return -EINVAL;
565
Philipp Zabel57625592013-09-30 10:34:51 -0300566 ret = coda_try_fmt(ctx, codec, f);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300567 if (ret < 0)
568 return ret;
569
570 /* The h.264 decoder only returns complete 16x16 macroblocks */
571 if (codec && codec->src_fourcc == V4L2_PIX_FMT_H264) {
Philipp Zabel1b0ed7b2014-07-11 06:36:37 -0300572 f->fmt.pix.width = f->fmt.pix.width;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300573 f->fmt.pix.height = round_up(f->fmt.pix.height, 16);
Philipp Zabel1b0ed7b2014-07-11 06:36:37 -0300574 f->fmt.pix.bytesperline = round_up(f->fmt.pix.width, 16);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300575 f->fmt.pix.sizeimage = f->fmt.pix.bytesperline *
576 f->fmt.pix.height * 3 / 2;
577 }
578
579 return 0;
Javier Martin186b2502012-07-26 05:53:35 -0300580}
581
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300582static int coda_try_fmt_vid_out(struct file *file, void *priv,
583 struct v4l2_format *f)
Javier Martin186b2502012-07-26 05:53:35 -0300584{
585 struct coda_ctx *ctx = fh_to_ctx(priv);
Philipp Zabel2c11d1b2014-10-02 14:08:28 -0300586 struct coda_dev *dev = ctx->dev;
587 const struct coda_q_data *q_data_dst;
588 const struct coda_codec *codec;
589 int ret;
Javier Martin186b2502012-07-26 05:53:35 -0300590
Philipp Zabel2c11d1b2014-10-02 14:08:28 -0300591 ret = coda_try_pixelformat(ctx, f);
592 if (ret < 0)
593 return ret;
Javier Martin186b2502012-07-26 05:53:35 -0300594
Philipp Zabelcb1d3a32014-10-02 14:08:31 -0300595 if (!f->fmt.pix.colorspace) {
596 if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_JPEG)
597 f->fmt.pix.colorspace = V4L2_COLORSPACE_JPEG;
598 else
599 f->fmt.pix.colorspace = V4L2_COLORSPACE_REC709;
600 }
Javier Martin186b2502012-07-26 05:53:35 -0300601
Philipp Zabel2c11d1b2014-10-02 14:08:28 -0300602 q_data_dst = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
603 codec = coda_find_codec(dev, f->fmt.pix.pixelformat, q_data_dst->fourcc);
604
Philipp Zabel57625592013-09-30 10:34:51 -0300605 return coda_try_fmt(ctx, codec, f);
Javier Martin186b2502012-07-26 05:53:35 -0300606}
607
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300608static int coda_s_fmt(struct coda_ctx *ctx, struct v4l2_format *f)
Javier Martin186b2502012-07-26 05:53:35 -0300609{
610 struct coda_q_data *q_data;
611 struct vb2_queue *vq;
Javier Martin186b2502012-07-26 05:53:35 -0300612
Philipp Zabel14604e32014-07-11 06:36:22 -0300613 vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, f->type);
Javier Martin186b2502012-07-26 05:53:35 -0300614 if (!vq)
615 return -EINVAL;
616
617 q_data = get_q_data(ctx, f->type);
618 if (!q_data)
619 return -EINVAL;
620
621 if (vb2_is_busy(vq)) {
622 v4l2_err(&ctx->dev->v4l2_dev, "%s queue busy\n", __func__);
623 return -EBUSY;
624 }
625
Philipp Zabelb96904e2013-05-23 10:42:58 -0300626 q_data->fourcc = f->fmt.pix.pixelformat;
Javier Martin186b2502012-07-26 05:53:35 -0300627 q_data->width = f->fmt.pix.width;
628 q_data->height = f->fmt.pix.height;
Philipp Zabel2fd6a372014-07-11 06:36:36 -0300629 q_data->bytesperline = f->fmt.pix.bytesperline;
Philipp Zabel451d43a2012-07-26 09:18:27 -0300630 q_data->sizeimage = f->fmt.pix.sizeimage;
Philipp Zabel52c41672014-07-11 06:36:19 -0300631 q_data->rect.left = 0;
632 q_data->rect.top = 0;
633 q_data->rect.width = f->fmt.pix.width;
634 q_data->rect.height = f->fmt.pix.height;
Javier Martin186b2502012-07-26 05:53:35 -0300635
636 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
637 "Setting format for type %d, wxh: %dx%d, fmt: %d\n",
Philipp Zabelb96904e2013-05-23 10:42:58 -0300638 f->type, q_data->width, q_data->height, q_data->fourcc);
Javier Martin186b2502012-07-26 05:53:35 -0300639
640 return 0;
641}
642
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300643static int coda_s_fmt_vid_cap(struct file *file, void *priv,
644 struct v4l2_format *f)
Javier Martin186b2502012-07-26 05:53:35 -0300645{
Philipp Zabelb96904e2013-05-23 10:42:58 -0300646 struct coda_ctx *ctx = fh_to_ctx(priv);
Javier Martin186b2502012-07-26 05:53:35 -0300647 int ret;
648
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300649 ret = coda_try_fmt_vid_cap(file, priv, f);
Javier Martin186b2502012-07-26 05:53:35 -0300650 if (ret)
651 return ret;
652
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300653 return coda_s_fmt(ctx, f);
Javier Martin186b2502012-07-26 05:53:35 -0300654}
655
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300656static int coda_s_fmt_vid_out(struct file *file, void *priv,
657 struct v4l2_format *f)
Javier Martin186b2502012-07-26 05:53:35 -0300658{
659 struct coda_ctx *ctx = fh_to_ctx(priv);
Philipp Zabelf95a6ce2014-08-05 14:00:19 -0300660 struct v4l2_format f_cap;
Javier Martin186b2502012-07-26 05:53:35 -0300661 int ret;
662
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300663 ret = coda_try_fmt_vid_out(file, priv, f);
Javier Martin186b2502012-07-26 05:53:35 -0300664 if (ret)
665 return ret;
666
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300667 ret = coda_s_fmt(ctx, f);
Javier Martin186b2502012-07-26 05:53:35 -0300668 if (ret)
Philipp Zabel2dc546d2014-08-05 14:00:18 -0300669 return ret;
670
671 ctx->colorspace = f->fmt.pix.colorspace;
Javier Martin186b2502012-07-26 05:53:35 -0300672
Philipp Zabelf95a6ce2014-08-05 14:00:19 -0300673 f_cap.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
674 coda_g_fmt(file, priv, &f_cap);
675 f_cap.fmt.pix.width = f->fmt.pix.width;
676 f_cap.fmt.pix.height = f->fmt.pix.height;
677
678 ret = coda_try_fmt_vid_cap(file, priv, &f_cap);
679 if (ret)
680 return ret;
681
682 return coda_s_fmt(ctx, &f_cap);
Javier Martin186b2502012-07-26 05:53:35 -0300683}
684
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300685static int coda_qbuf(struct file *file, void *priv,
686 struct v4l2_buffer *buf)
Javier Martin186b2502012-07-26 05:53:35 -0300687{
688 struct coda_ctx *ctx = fh_to_ctx(priv);
689
Philipp Zabel14604e32014-07-11 06:36:22 -0300690 return v4l2_m2m_qbuf(file, ctx->fh.m2m_ctx, buf);
Javier Martin186b2502012-07-26 05:53:35 -0300691}
692
Philipp Zabel918c66f2013-06-27 06:59:01 -0300693static bool coda_buf_is_end_of_stream(struct coda_ctx *ctx,
694 struct v4l2_buffer *buf)
695{
696 struct vb2_queue *src_vq;
697
Philipp Zabel14604e32014-07-11 06:36:22 -0300698 src_vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300699
700 return ((ctx->bit_stream_param & CODA_BIT_STREAM_END_FLAG) &&
701 (buf->sequence == (ctx->qsequence - 1)));
702}
703
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300704static int coda_dqbuf(struct file *file, void *priv,
705 struct v4l2_buffer *buf)
Javier Martin186b2502012-07-26 05:53:35 -0300706{
707 struct coda_ctx *ctx = fh_to_ctx(priv);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300708 int ret;
Javier Martin186b2502012-07-26 05:53:35 -0300709
Philipp Zabel14604e32014-07-11 06:36:22 -0300710 ret = v4l2_m2m_dqbuf(file, ctx->fh.m2m_ctx, buf);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300711
712 /* If this is the last capture buffer, emit an end-of-stream event */
713 if (buf->type == V4L2_BUF_TYPE_VIDEO_CAPTURE &&
714 coda_buf_is_end_of_stream(ctx, buf)) {
715 const struct v4l2_event eos_event = {
716 .type = V4L2_EVENT_EOS
717 };
718
719 v4l2_event_queue_fh(&ctx->fh, &eos_event);
720 }
721
722 return ret;
Javier Martin186b2502012-07-26 05:53:35 -0300723}
724
Philipp Zabel52c41672014-07-11 06:36:19 -0300725static int coda_g_selection(struct file *file, void *fh,
726 struct v4l2_selection *s)
727{
728 struct coda_ctx *ctx = fh_to_ctx(fh);
729 struct coda_q_data *q_data;
730 struct v4l2_rect r, *rsel;
731
732 q_data = get_q_data(ctx, s->type);
733 if (!q_data)
734 return -EINVAL;
735
736 r.left = 0;
737 r.top = 0;
738 r.width = q_data->width;
739 r.height = q_data->height;
740 rsel = &q_data->rect;
741
742 switch (s->target) {
743 case V4L2_SEL_TGT_CROP_DEFAULT:
744 case V4L2_SEL_TGT_CROP_BOUNDS:
745 rsel = &r;
746 /* fallthrough */
747 case V4L2_SEL_TGT_CROP:
748 if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
749 return -EINVAL;
750 break;
751 case V4L2_SEL_TGT_COMPOSE_BOUNDS:
752 case V4L2_SEL_TGT_COMPOSE_PADDED:
753 rsel = &r;
754 /* fallthrough */
755 case V4L2_SEL_TGT_COMPOSE:
756 case V4L2_SEL_TGT_COMPOSE_DEFAULT:
757 if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
758 return -EINVAL;
759 break;
760 default:
761 return -EINVAL;
762 }
763
764 s->r = *rsel;
765
766 return 0;
767}
768
Philipp Zabel64ba40a2013-09-30 10:34:52 -0300769static int coda_try_decoder_cmd(struct file *file, void *fh,
770 struct v4l2_decoder_cmd *dc)
Philipp Zabel918c66f2013-06-27 06:59:01 -0300771{
Philipp Zabel918c66f2013-06-27 06:59:01 -0300772 if (dc->cmd != V4L2_DEC_CMD_STOP)
773 return -EINVAL;
774
Philipp Zabel64ba40a2013-09-30 10:34:52 -0300775 if (dc->flags & V4L2_DEC_CMD_STOP_TO_BLACK)
Philipp Zabel918c66f2013-06-27 06:59:01 -0300776 return -EINVAL;
777
Philipp Zabel64ba40a2013-09-30 10:34:52 -0300778 if (!(dc->flags & V4L2_DEC_CMD_STOP_IMMEDIATELY) && (dc->stop.pts != 0))
Philipp Zabel918c66f2013-06-27 06:59:01 -0300779 return -EINVAL;
780
Philipp Zabel64ba40a2013-09-30 10:34:52 -0300781 return 0;
782}
783
784static int coda_decoder_cmd(struct file *file, void *fh,
785 struct v4l2_decoder_cmd *dc)
786{
787 struct coda_ctx *ctx = fh_to_ctx(fh);
788 int ret;
789
790 ret = coda_try_decoder_cmd(file, fh, dc);
791 if (ret < 0)
792 return ret;
793
794 /* Ignore decoder stop command silently in encoder context */
Philipp Zabel918c66f2013-06-27 06:59:01 -0300795 if (ctx->inst_type != CODA_INST_DECODER)
Philipp Zabel64ba40a2013-09-30 10:34:52 -0300796 return 0;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300797
Philipp Zabel347bb7f2014-07-23 12:28:42 -0300798 /* Set the stream-end flag on this context */
799 coda_bit_stream_end_flag(ctx);
Philipp Zabel84e23652014-07-11 06:36:34 -0300800 ctx->hold = false;
Michael Olbrichf3497da2014-07-11 06:36:30 -0300801 v4l2_m2m_try_schedule(ctx->fh.m2m_ctx);
Philipp Zabel89548442014-07-11 06:36:17 -0300802
Philipp Zabel918c66f2013-06-27 06:59:01 -0300803 return 0;
804}
805
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300806static int coda_subscribe_event(struct v4l2_fh *fh,
807 const struct v4l2_event_subscription *sub)
Philipp Zabel918c66f2013-06-27 06:59:01 -0300808{
809 switch (sub->type) {
810 case V4L2_EVENT_EOS:
811 return v4l2_event_subscribe(fh, sub, 0, NULL);
812 default:
813 return v4l2_ctrl_subscribe_event(fh, sub);
814 }
Javier Martin186b2502012-07-26 05:53:35 -0300815}
816
817static const struct v4l2_ioctl_ops coda_ioctl_ops = {
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300818 .vidioc_querycap = coda_querycap,
Javier Martin186b2502012-07-26 05:53:35 -0300819
Philipp Zabel22e244b2014-07-18 07:22:43 -0300820 .vidioc_enum_fmt_vid_cap = coda_enum_fmt,
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300821 .vidioc_g_fmt_vid_cap = coda_g_fmt,
822 .vidioc_try_fmt_vid_cap = coda_try_fmt_vid_cap,
823 .vidioc_s_fmt_vid_cap = coda_s_fmt_vid_cap,
Javier Martin186b2502012-07-26 05:53:35 -0300824
Philipp Zabel22e244b2014-07-18 07:22:43 -0300825 .vidioc_enum_fmt_vid_out = coda_enum_fmt,
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300826 .vidioc_g_fmt_vid_out = coda_g_fmt,
827 .vidioc_try_fmt_vid_out = coda_try_fmt_vid_out,
828 .vidioc_s_fmt_vid_out = coda_s_fmt_vid_out,
Javier Martin186b2502012-07-26 05:53:35 -0300829
Philipp Zabel152ea1c2014-07-11 06:36:21 -0300830 .vidioc_reqbufs = v4l2_m2m_ioctl_reqbufs,
831 .vidioc_querybuf = v4l2_m2m_ioctl_querybuf,
Javier Martin186b2502012-07-26 05:53:35 -0300832
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300833 .vidioc_qbuf = coda_qbuf,
Philipp Zabel152ea1c2014-07-11 06:36:21 -0300834 .vidioc_expbuf = v4l2_m2m_ioctl_expbuf,
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300835 .vidioc_dqbuf = coda_dqbuf,
Philipp Zabel152ea1c2014-07-11 06:36:21 -0300836 .vidioc_create_bufs = v4l2_m2m_ioctl_create_bufs,
Javier Martin186b2502012-07-26 05:53:35 -0300837
Philipp Zabel152ea1c2014-07-11 06:36:21 -0300838 .vidioc_streamon = v4l2_m2m_ioctl_streamon,
839 .vidioc_streamoff = v4l2_m2m_ioctl_streamoff,
Philipp Zabel918c66f2013-06-27 06:59:01 -0300840
Philipp Zabel52c41672014-07-11 06:36:19 -0300841 .vidioc_g_selection = coda_g_selection,
842
Philipp Zabel64ba40a2013-09-30 10:34:52 -0300843 .vidioc_try_decoder_cmd = coda_try_decoder_cmd,
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300844 .vidioc_decoder_cmd = coda_decoder_cmd,
Philipp Zabel918c66f2013-06-27 06:59:01 -0300845
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300846 .vidioc_subscribe_event = coda_subscribe_event,
Philipp Zabel918c66f2013-06-27 06:59:01 -0300847 .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
Javier Martin186b2502012-07-26 05:53:35 -0300848};
849
Philipp Zabel79924ca2014-07-23 12:28:45 -0300850void coda_set_gdi_regs(struct coda_ctx *ctx)
Philipp Zabel89548442014-07-11 06:36:17 -0300851{
852 struct gdi_tiled_map *tiled_map = &ctx->tiled_map;
853 struct coda_dev *dev = ctx->dev;
854 int i;
855
856 for (i = 0; i < 16; i++)
857 coda_write(dev, tiled_map->xy2ca_map[i],
858 CODA9_GDI_XY2_CAS_0 + 4 * i);
859 for (i = 0; i < 4; i++)
860 coda_write(dev, tiled_map->xy2ba_map[i],
861 CODA9_GDI_XY2_BA_0 + 4 * i);
862 for (i = 0; i < 16; i++)
863 coda_write(dev, tiled_map->xy2ra_map[i],
864 CODA9_GDI_XY2_RAS_0 + 4 * i);
865 coda_write(dev, tiled_map->xy2rbc_config, CODA9_GDI_XY2_RBC_CONFIG);
866 for (i = 0; i < 32; i++)
867 coda_write(dev, tiled_map->rbc2axi_map[i],
868 CODA9_GDI_RBC2_AXI_0 + 4 * i);
869}
870
Javier Martin186b2502012-07-26 05:53:35 -0300871/*
872 * Mem-to-mem operations.
873 */
Philipp Zabel477c1cf2013-06-21 03:55:33 -0300874
875static void coda_device_run(void *m2m_priv)
876{
877 struct coda_ctx *ctx = m2m_priv;
878 struct coda_dev *dev = ctx->dev;
Philipp Zabel32b6f202014-07-11 06:36:20 -0300879
880 queue_work(dev->workqueue, &ctx->pic_run_work);
881}
882
Philipp Zabel32b6f202014-07-11 06:36:20 -0300883static void coda_pic_run_work(struct work_struct *work)
884{
885 struct coda_ctx *ctx = container_of(work, struct coda_ctx, pic_run_work);
886 struct coda_dev *dev = ctx->dev;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300887 int ret;
888
889 mutex_lock(&ctx->buffer_mutex);
Philipp Zabel477c1cf2013-06-21 03:55:33 -0300890 mutex_lock(&dev->coda_mutex);
891
Philipp Zabela1192a12014-07-23 12:28:40 -0300892 ret = ctx->ops->prepare_run(ctx);
893 if (ret < 0 && ctx->inst_type == CODA_INST_DECODER) {
894 mutex_unlock(&dev->coda_mutex);
895 mutex_unlock(&ctx->buffer_mutex);
896 /* job_finish scheduled by prepare_decode */
897 return;
Philipp Zabel10436672012-07-02 09:03:55 -0300898 }
899
Philipp Zabelf23797b2014-08-06 08:02:23 -0300900 if (!wait_for_completion_timeout(&ctx->completion,
901 msecs_to_jiffies(1000))) {
Philipp Zabel32b6f202014-07-11 06:36:20 -0300902 dev_err(&dev->plat_dev->dev, "CODA PIC_RUN timeout\n");
Philipp Zabel84e23652014-07-11 06:36:34 -0300903
904 ctx->hold = true;
Philipp Zabel8f452842014-07-11 06:36:35 -0300905
906 coda_hw_reset(ctx);
Philipp Zabel32b6f202014-07-11 06:36:20 -0300907 } else if (!ctx->aborting) {
Philipp Zabela1192a12014-07-23 12:28:40 -0300908 ctx->ops->finish_run(ctx);
Philipp Zabel32b6f202014-07-11 06:36:20 -0300909 }
910
911 if (ctx->aborting || (!ctx->streamon_cap && !ctx->streamon_out))
912 queue_work(dev->workqueue, &ctx->seq_end_work);
913
914 mutex_unlock(&dev->coda_mutex);
915 mutex_unlock(&ctx->buffer_mutex);
916
Philipp Zabel14604e32014-07-11 06:36:22 -0300917 v4l2_m2m_job_finish(ctx->dev->m2m_dev, ctx->fh.m2m_ctx);
Javier Martin186b2502012-07-26 05:53:35 -0300918}
919
920static int coda_job_ready(void *m2m_priv)
921{
922 struct coda_ctx *ctx = m2m_priv;
923
924 /*
925 * For both 'P' and 'key' frame cases 1 picture
Philipp Zabel9082a7c2013-06-21 03:55:31 -0300926 * and 1 frame are needed. In the decoder case,
927 * the compressed frame can be in the bitstream.
Javier Martin186b2502012-07-26 05:53:35 -0300928 */
Philipp Zabel14604e32014-07-11 06:36:22 -0300929 if (!v4l2_m2m_num_src_bufs_ready(ctx->fh.m2m_ctx) &&
Philipp Zabel9082a7c2013-06-21 03:55:31 -0300930 ctx->inst_type != CODA_INST_DECODER) {
Javier Martin186b2502012-07-26 05:53:35 -0300931 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
932 "not ready: not enough video buffers.\n");
933 return 0;
934 }
935
Philipp Zabel14604e32014-07-11 06:36:22 -0300936 if (!v4l2_m2m_num_dst_bufs_ready(ctx->fh.m2m_ctx)) {
Philipp Zabel9082a7c2013-06-21 03:55:31 -0300937 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
938 "not ready: not enough video capture buffers.\n");
939 return 0;
940 }
941
Philipp Zabel84e23652014-07-11 06:36:34 -0300942 if (ctx->hold ||
Philipp Zabel918c66f2013-06-27 06:59:01 -0300943 ((ctx->inst_type == CODA_INST_DECODER) &&
Philipp Zabelcb1d3a32014-10-02 14:08:31 -0300944 !v4l2_m2m_num_src_bufs_ready(ctx->fh.m2m_ctx) &&
Philipp Zabel918c66f2013-06-27 06:59:01 -0300945 (coda_get_bitstream_payload(ctx) < 512) &&
946 !(ctx->bit_stream_param & CODA_BIT_STREAM_END_FLAG))) {
947 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
948 "%d: not ready: not enough bitstream data.\n",
949 ctx->idx);
950 return 0;
951 }
952
Philipp Zabel3e748262013-05-23 10:43:01 -0300953 if (ctx->aborting) {
954 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
955 "not ready: aborting\n");
956 return 0;
957 }
958
Javier Martin186b2502012-07-26 05:53:35 -0300959 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
960 "job ready\n");
961 return 1;
962}
963
964static void coda_job_abort(void *priv)
965{
966 struct coda_ctx *ctx = priv;
Javier Martin186b2502012-07-26 05:53:35 -0300967
968 ctx->aborting = 1;
969
970 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
971 "Aborting task\n");
Javier Martin186b2502012-07-26 05:53:35 -0300972}
973
974static void coda_lock(void *m2m_priv)
975{
976 struct coda_ctx *ctx = m2m_priv;
977 struct coda_dev *pcdev = ctx->dev;
Philipp Zabelf23797b2014-08-06 08:02:23 -0300978
Javier Martin186b2502012-07-26 05:53:35 -0300979 mutex_lock(&pcdev->dev_mutex);
980}
981
982static void coda_unlock(void *m2m_priv)
983{
984 struct coda_ctx *ctx = m2m_priv;
985 struct coda_dev *pcdev = ctx->dev;
Philipp Zabelf23797b2014-08-06 08:02:23 -0300986
Javier Martin186b2502012-07-26 05:53:35 -0300987 mutex_unlock(&pcdev->dev_mutex);
988}
989
Philipp Zabel814c3762014-07-18 07:22:45 -0300990static const struct v4l2_m2m_ops coda_m2m_ops = {
Javier Martin186b2502012-07-26 05:53:35 -0300991 .device_run = coda_device_run,
992 .job_ready = coda_job_ready,
993 .job_abort = coda_job_abort,
994 .lock = coda_lock,
995 .unlock = coda_unlock,
996};
997
Philipp Zabel89548442014-07-11 06:36:17 -0300998static void coda_set_tiled_map_type(struct coda_ctx *ctx, int tiled_map_type)
999{
1000 struct gdi_tiled_map *tiled_map = &ctx->tiled_map;
1001 int luma_map, chro_map, i;
1002
1003 memset(tiled_map, 0, sizeof(*tiled_map));
1004
1005 luma_map = 64;
1006 chro_map = 64;
1007 tiled_map->map_type = tiled_map_type;
1008 for (i = 0; i < 16; i++)
1009 tiled_map->xy2ca_map[i] = luma_map << 8 | chro_map;
1010 for (i = 0; i < 4; i++)
1011 tiled_map->xy2ba_map[i] = luma_map << 8 | chro_map;
1012 for (i = 0; i < 16; i++)
1013 tiled_map->xy2ra_map[i] = luma_map << 8 | chro_map;
1014
1015 if (tiled_map_type == GDI_LINEAR_FRAME_MAP) {
1016 tiled_map->xy2rbc_config = 0;
1017 } else {
1018 dev_err(&ctx->dev->plat_dev->dev, "invalid map type: %d\n",
1019 tiled_map_type);
1020 return;
1021 }
1022}
1023
Javier Martin186b2502012-07-26 05:53:35 -03001024static void set_default_params(struct coda_ctx *ctx)
1025{
Philipp Zabeld4c6a412014-10-02 14:08:35 -03001026 unsigned int max_w, max_h, size;
Philipp Zabelb96904e2013-05-23 10:42:58 -03001027
Philipp Zabel2c11d1b2014-10-02 14:08:28 -03001028 ctx->codec = coda_find_codec(ctx->dev, ctx->cvd->src_formats[0],
1029 ctx->cvd->dst_formats[0]);
Philipp Zabeld4c6a412014-10-02 14:08:35 -03001030 max_w = min(ctx->codec->max_w, 1920U);
1031 max_h = min(ctx->codec->max_h, 1088U);
1032 size = max_w * max_h * 3 / 2;
Javier Martin186b2502012-07-26 05:53:35 -03001033
Philipp Zabel121cacf2014-07-18 07:22:42 -03001034 ctx->params.codec_mode = ctx->codec->mode;
Javier Martin186b2502012-07-26 05:53:35 -03001035 ctx->colorspace = V4L2_COLORSPACE_REC709;
1036 ctx->params.framerate = 30;
Javier Martin186b2502012-07-26 05:53:35 -03001037
1038 /* Default formats for output and input queues */
Philipp Zabelb96904e2013-05-23 10:42:58 -03001039 ctx->q_data[V4L2_M2M_SRC].fourcc = ctx->codec->src_fourcc;
1040 ctx->q_data[V4L2_M2M_DST].fourcc = ctx->codec->dst_fourcc;
1041 ctx->q_data[V4L2_M2M_SRC].width = max_w;
1042 ctx->q_data[V4L2_M2M_SRC].height = max_h;
Philipp Zabelb96904e2013-05-23 10:42:58 -03001043 ctx->q_data[V4L2_M2M_DST].width = max_w;
1044 ctx->q_data[V4L2_M2M_DST].height = max_h;
Philipp Zabel121cacf2014-07-18 07:22:42 -03001045 if (ctx->codec->src_fourcc == V4L2_PIX_FMT_YUV420) {
1046 ctx->q_data[V4L2_M2M_SRC].bytesperline = max_w;
Philipp Zabeld4c6a412014-10-02 14:08:35 -03001047 ctx->q_data[V4L2_M2M_SRC].sizeimage = size;
Philipp Zabel121cacf2014-07-18 07:22:42 -03001048 ctx->q_data[V4L2_M2M_DST].bytesperline = 0;
Philipp Zabeld4c6a412014-10-02 14:08:35 -03001049 ctx->q_data[V4L2_M2M_DST].sizeimage = round_up(size, PAGE_SIZE);
Philipp Zabel121cacf2014-07-18 07:22:42 -03001050 } else {
1051 ctx->q_data[V4L2_M2M_SRC].bytesperline = 0;
Philipp Zabeld4c6a412014-10-02 14:08:35 -03001052 ctx->q_data[V4L2_M2M_SRC].sizeimage = round_up(size, PAGE_SIZE);
Philipp Zabel121cacf2014-07-18 07:22:42 -03001053 ctx->q_data[V4L2_M2M_DST].bytesperline = max_w;
Philipp Zabeld4c6a412014-10-02 14:08:35 -03001054 ctx->q_data[V4L2_M2M_DST].sizeimage = size;
Philipp Zabel121cacf2014-07-18 07:22:42 -03001055 }
Philipp Zabel52c41672014-07-11 06:36:19 -03001056 ctx->q_data[V4L2_M2M_SRC].rect.width = max_w;
1057 ctx->q_data[V4L2_M2M_SRC].rect.height = max_h;
1058 ctx->q_data[V4L2_M2M_DST].rect.width = max_w;
1059 ctx->q_data[V4L2_M2M_DST].rect.height = max_h;
Philipp Zabel89548442014-07-11 06:36:17 -03001060
1061 if (ctx->dev->devtype->product == CODA_960)
1062 coda_set_tiled_map_type(ctx, GDI_LINEAR_FRAME_MAP);
Javier Martin186b2502012-07-26 05:53:35 -03001063}
1064
1065/*
1066 * Queue operations
1067 */
1068static int coda_queue_setup(struct vb2_queue *vq,
1069 const struct v4l2_format *fmt,
1070 unsigned int *nbuffers, unsigned int *nplanes,
1071 unsigned int sizes[], void *alloc_ctxs[])
1072{
1073 struct coda_ctx *ctx = vb2_get_drv_priv(vq);
Philipp Zabele34db062012-08-29 08:22:00 -03001074 struct coda_q_data *q_data;
Javier Martin186b2502012-07-26 05:53:35 -03001075 unsigned int size;
1076
Philipp Zabele34db062012-08-29 08:22:00 -03001077 q_data = get_q_data(ctx, vq->type);
1078 size = q_data->sizeimage;
Javier Martin186b2502012-07-26 05:53:35 -03001079
1080 *nplanes = 1;
1081 sizes[0] = size;
1082
1083 alloc_ctxs[0] = ctx->dev->alloc_ctx;
1084
1085 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
1086 "get %d buffer(s) of size %d each.\n", *nbuffers, size);
1087
1088 return 0;
1089}
1090
1091static int coda_buf_prepare(struct vb2_buffer *vb)
1092{
1093 struct coda_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
1094 struct coda_q_data *q_data;
1095
1096 q_data = get_q_data(ctx, vb->vb2_queue->type);
1097
1098 if (vb2_plane_size(vb, 0) < q_data->sizeimage) {
1099 v4l2_warn(&ctx->dev->v4l2_dev,
1100 "%s data will not fit into plane (%lu < %lu)\n",
1101 __func__, vb2_plane_size(vb, 0),
1102 (long)q_data->sizeimage);
1103 return -EINVAL;
1104 }
1105
Javier Martin186b2502012-07-26 05:53:35 -03001106 return 0;
1107}
1108
1109static void coda_buf_queue(struct vb2_buffer *vb)
1110{
1111 struct coda_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
Philipp Zabel918c66f2013-06-27 06:59:01 -03001112 struct coda_q_data *q_data;
1113
1114 q_data = get_q_data(ctx, vb->vb2_queue->type);
1115
1116 /*
1117 * In the decoder case, immediately try to copy the buffer into the
1118 * bitstream ringbuffer and mark it as ready to be dequeued.
1119 */
Philipp Zabelcb1d3a32014-10-02 14:08:31 -03001120 if (ctx->inst_type == CODA_INST_DECODER &&
Philipp Zabel918c66f2013-06-27 06:59:01 -03001121 vb->vb2_queue->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
1122 /*
Jonathan McCrohan39c1cb22013-10-20 21:34:01 -03001123 * For backwards compatibility, queuing an empty buffer marks
Philipp Zabel918c66f2013-06-27 06:59:01 -03001124 * the stream end
1125 */
Philipp Zabel347bb7f2014-07-23 12:28:42 -03001126 if (vb2_get_plane_payload(vb, 0) == 0)
1127 coda_bit_stream_end_flag(ctx);
Philipp Zabel918c66f2013-06-27 06:59:01 -03001128 mutex_lock(&ctx->bitstream_mutex);
Philipp Zabel14604e32014-07-11 06:36:22 -03001129 v4l2_m2m_buf_queue(ctx->fh.m2m_ctx, vb);
Michael Olbricheabed932014-07-18 07:22:40 -03001130 if (vb2_is_streaming(vb->vb2_queue))
1131 coda_fill_bitstream(ctx);
Philipp Zabel918c66f2013-06-27 06:59:01 -03001132 mutex_unlock(&ctx->bitstream_mutex);
1133 } else {
Philipp Zabel14604e32014-07-11 06:36:22 -03001134 v4l2_m2m_buf_queue(ctx->fh.m2m_ctx, vb);
Philipp Zabel918c66f2013-06-27 06:59:01 -03001135 }
Javier Martin186b2502012-07-26 05:53:35 -03001136}
1137
Philipp Zabel79924ca2014-07-23 12:28:45 -03001138int coda_alloc_aux_buf(struct coda_dev *dev, struct coda_aux_buf *buf,
1139 size_t size, const char *name, struct dentry *parent)
Philipp Zabel5677e3b2013-06-21 03:55:30 -03001140{
1141 buf->vaddr = dma_alloc_coherent(&dev->plat_dev->dev, size, &buf->paddr,
1142 GFP_KERNEL);
Philipp Zabel68fc31c2014-08-05 14:00:16 -03001143 if (!buf->vaddr) {
1144 v4l2_err(&dev->v4l2_dev,
1145 "Failed to allocate %s buffer of size %u\n",
1146 name, size);
Philipp Zabel5677e3b2013-06-21 03:55:30 -03001147 return -ENOMEM;
Philipp Zabel68fc31c2014-08-05 14:00:16 -03001148 }
Philipp Zabel5677e3b2013-06-21 03:55:30 -03001149
1150 buf->size = size;
1151
Philipp Zabelf61c0b12014-07-11 06:36:40 -03001152 if (name && parent) {
1153 buf->blob.data = buf->vaddr;
1154 buf->blob.size = size;
Philipp Zabelf23797b2014-08-06 08:02:23 -03001155 buf->dentry = debugfs_create_blob(name, 0644, parent,
1156 &buf->blob);
Philipp Zabelf61c0b12014-07-11 06:36:40 -03001157 if (!buf->dentry)
1158 dev_warn(&dev->plat_dev->dev,
1159 "failed to create debugfs entry %s\n", name);
1160 }
1161
Philipp Zabel5677e3b2013-06-21 03:55:30 -03001162 return 0;
1163}
1164
Philipp Zabel79924ca2014-07-23 12:28:45 -03001165void coda_free_aux_buf(struct coda_dev *dev,
1166 struct coda_aux_buf *buf)
Philipp Zabel5677e3b2013-06-21 03:55:30 -03001167{
1168 if (buf->vaddr) {
1169 dma_free_coherent(&dev->plat_dev->dev, buf->size,
1170 buf->vaddr, buf->paddr);
1171 buf->vaddr = NULL;
1172 buf->size = 0;
1173 }
Philipp Zabelf61c0b12014-07-11 06:36:40 -03001174 debugfs_remove(buf->dentry);
Philipp Zabel5677e3b2013-06-21 03:55:30 -03001175}
1176
Javier Martin186b2502012-07-26 05:53:35 -03001177static int coda_start_streaming(struct vb2_queue *q, unsigned int count)
1178{
1179 struct coda_ctx *ctx = vb2_get_drv_priv(q);
1180 struct v4l2_device *v4l2_dev = &ctx->dev->v4l2_dev;
Javier Martin186b2502012-07-26 05:53:35 -03001181 struct coda_q_data *q_data_src, *q_data_dst;
Philipp Zabelb9063522014-08-05 14:00:10 -03001182 struct vb2_buffer *buf;
Philipp Zabeld35167a2013-05-23 10:42:59 -03001183 int ret = 0;
Javier Martin186b2502012-07-26 05:53:35 -03001184
Philipp Zabelb96904e2013-05-23 10:42:58 -03001185 q_data_src = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
Philipp Zabel918c66f2013-06-27 06:59:01 -03001186 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
Philipp Zabelcb1d3a32014-10-02 14:08:31 -03001187 if (q_data_src->fourcc == V4L2_PIX_FMT_H264 ||
1188 (q_data_src->fourcc == V4L2_PIX_FMT_JPEG &&
1189 ctx->dev->devtype->product == CODA_7541)) {
Michael Olbricheabed932014-07-18 07:22:40 -03001190 /* copy the buffers that where queued before streamon */
1191 mutex_lock(&ctx->bitstream_mutex);
1192 coda_fill_bitstream(ctx);
1193 mutex_unlock(&ctx->bitstream_mutex);
1194
Philipp Zabelb9063522014-08-05 14:00:10 -03001195 if (coda_get_bitstream_payload(ctx) < 512) {
1196 ret = -EINVAL;
1197 goto err;
1198 }
Philipp Zabel918c66f2013-06-27 06:59:01 -03001199 } else {
Philipp Zabelb9063522014-08-05 14:00:10 -03001200 if (count < 1) {
1201 ret = -EINVAL;
1202 goto err;
1203 }
Philipp Zabel918c66f2013-06-27 06:59:01 -03001204 }
1205
1206 ctx->streamon_out = 1;
Philipp Zabel918c66f2013-06-27 06:59:01 -03001207 } else {
Philipp Zabelb9063522014-08-05 14:00:10 -03001208 if (count < 1) {
1209 ret = -EINVAL;
1210 goto err;
1211 }
Philipp Zabel918c66f2013-06-27 06:59:01 -03001212
1213 ctx->streamon_cap = 1;
Philipp Zabelb96904e2013-05-23 10:42:58 -03001214 }
Javier Martin186b2502012-07-26 05:53:35 -03001215
Philipp Zabelb96904e2013-05-23 10:42:58 -03001216 /* Don't start the coda unless both queues are on */
1217 if (!(ctx->streamon_out & ctx->streamon_cap))
1218 return 0;
Javier Martin186b2502012-07-26 05:53:35 -03001219
Philipp Zabelcb1d3a32014-10-02 14:08:31 -03001220 /* Allow BIT decoder device_run with no new buffers queued */
Philipp Zabeleb107512013-09-30 10:34:45 -03001221 if (ctx->inst_type == CODA_INST_DECODER)
Philipp Zabel14604e32014-07-11 06:36:22 -03001222 v4l2_m2m_set_src_buffered(ctx->fh.m2m_ctx, true);
Philipp Zabel918c66f2013-06-27 06:59:01 -03001223
Philipp Zabelb96904e2013-05-23 10:42:58 -03001224 ctx->gopcounter = ctx->params.gop_size - 1;
Javier Martin186b2502012-07-26 05:53:35 -03001225 q_data_dst = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
Javier Martin186b2502012-07-26 05:53:35 -03001226
Philipp Zabelb96904e2013-05-23 10:42:58 -03001227 ctx->codec = coda_find_codec(ctx->dev, q_data_src->fourcc,
1228 q_data_dst->fourcc);
1229 if (!ctx->codec) {
Javier Martin186b2502012-07-26 05:53:35 -03001230 v4l2_err(v4l2_dev, "couldn't tell instance type.\n");
Philipp Zabelb9063522014-08-05 14:00:10 -03001231 ret = -EINVAL;
1232 goto err;
Javier Martin186b2502012-07-26 05:53:35 -03001233 }
1234
Philipp Zabelcb1d3a32014-10-02 14:08:31 -03001235 if (q_data_dst->fourcc == V4L2_PIX_FMT_JPEG)
1236 ctx->params.gop_size = 1;
1237 ctx->gopcounter = ctx->params.gop_size - 1;
1238
Philipp Zabela1192a12014-07-23 12:28:40 -03001239 ret = ctx->ops->start_streaming(ctx);
Philipp Zabel918c66f2013-06-27 06:59:01 -03001240 if (ctx->inst_type == CODA_INST_DECODER) {
Philipp Zabel89548442014-07-11 06:36:17 -03001241 if (ret == -EAGAIN)
Philipp Zabel918c66f2013-06-27 06:59:01 -03001242 return 0;
Philipp Zabel89548442014-07-11 06:36:17 -03001243 else if (ret < 0)
Philipp Zabelb9063522014-08-05 14:00:10 -03001244 goto err;
Philipp Zabel918c66f2013-06-27 06:59:01 -03001245 }
1246
Philipp Zabel89548442014-07-11 06:36:17 -03001247 ctx->initialized = 1;
1248 return ret;
Philipp Zabelb9063522014-08-05 14:00:10 -03001249
1250err:
1251 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
1252 while ((buf = v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx)))
Philipp Zabelb8b1b58c52014-10-21 13:25:52 -03001253 v4l2_m2m_buf_done(buf, VB2_BUF_STATE_QUEUED);
Philipp Zabelb9063522014-08-05 14:00:10 -03001254 } else {
1255 while ((buf = v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx)))
Philipp Zabelb8b1b58c52014-10-21 13:25:52 -03001256 v4l2_m2m_buf_done(buf, VB2_BUF_STATE_QUEUED);
Philipp Zabelb9063522014-08-05 14:00:10 -03001257 }
1258 return ret;
Philipp Zabel89548442014-07-11 06:36:17 -03001259}
1260
Hans Verkuile37559b2014-04-17 02:47:21 -03001261static void coda_stop_streaming(struct vb2_queue *q)
Javier Martin186b2502012-07-26 05:53:35 -03001262{
1263 struct coda_ctx *ctx = vb2_get_drv_priv(q);
Philipp Zabel2fb57f02012-07-25 09:22:07 -03001264 struct coda_dev *dev = ctx->dev;
Philipp Zabel4a31b522014-08-05 14:00:11 -03001265 struct vb2_buffer *buf;
Javier Martin186b2502012-07-26 05:53:35 -03001266
1267 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
Philipp Zabel918c66f2013-06-27 06:59:01 -03001268 v4l2_dbg(1, coda_debug, &dev->v4l2_dev,
Javier Martin186b2502012-07-26 05:53:35 -03001269 "%s: output\n", __func__);
Philipp Zabelb96904e2013-05-23 10:42:58 -03001270 ctx->streamon_out = 0;
Philipp Zabel918c66f2013-06-27 06:59:01 -03001271
Philipp Zabel347bb7f2014-07-23 12:28:42 -03001272 coda_bit_stream_end_flag(ctx);
Philipp Zabel4a31b522014-08-05 14:00:11 -03001273
Philipp Zabel918c66f2013-06-27 06:59:01 -03001274 ctx->isequence = 0;
Philipp Zabel4a31b522014-08-05 14:00:11 -03001275
1276 while ((buf = v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx)))
1277 v4l2_m2m_buf_done(buf, VB2_BUF_STATE_ERROR);
Javier Martin186b2502012-07-26 05:53:35 -03001278 } else {
Philipp Zabel918c66f2013-06-27 06:59:01 -03001279 v4l2_dbg(1, coda_debug, &dev->v4l2_dev,
Javier Martin186b2502012-07-26 05:53:35 -03001280 "%s: capture\n", __func__);
Philipp Zabelb96904e2013-05-23 10:42:58 -03001281 ctx->streamon_cap = 0;
Philipp Zabel918c66f2013-06-27 06:59:01 -03001282
1283 ctx->osequence = 0;
Philipp Zabelcb2c0282014-07-11 06:36:33 -03001284 ctx->sequence_offset = 0;
Philipp Zabel4a31b522014-08-05 14:00:11 -03001285
1286 while ((buf = v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx)))
1287 v4l2_m2m_buf_done(buf, VB2_BUF_STATE_ERROR);
Javier Martin186b2502012-07-26 05:53:35 -03001288 }
1289
Philipp Zabel918c66f2013-06-27 06:59:01 -03001290 if (!ctx->streamon_out && !ctx->streamon_cap) {
Philipp Zabel7cbb1052014-10-02 14:08:32 -03001291 struct coda_buffer_meta *meta;
Philipp Zabel846ced92014-07-11 06:36:31 -03001292
Philipp Zabel18fd0cc2014-08-05 14:00:17 -03001293 mutex_lock(&ctx->bitstream_mutex);
Philipp Zabel7cbb1052014-10-02 14:08:32 -03001294 while (!list_empty(&ctx->buffer_meta_list)) {
1295 meta = list_first_entry(&ctx->buffer_meta_list,
1296 struct coda_buffer_meta, list);
1297 list_del(&meta->list);
1298 kfree(meta);
Philipp Zabel846ced92014-07-11 06:36:31 -03001299 }
Philipp Zabel18fd0cc2014-08-05 14:00:17 -03001300 mutex_unlock(&ctx->bitstream_mutex);
Philipp Zabel918c66f2013-06-27 06:59:01 -03001301 kfifo_init(&ctx->bitstream_fifo,
1302 ctx->bitstream.vaddr, ctx->bitstream.size);
1303 ctx->runcounter = 0;
Philipp Zabelf157cf42014-09-29 09:53:42 -03001304 ctx->aborting = 0;
Philipp Zabel62bed142012-07-25 10:40:39 -03001305 }
Javier Martin186b2502012-07-26 05:53:35 -03001306}
1307
Philipp Zabel121cacf2014-07-18 07:22:42 -03001308static const struct vb2_ops coda_qops = {
Javier Martin186b2502012-07-26 05:53:35 -03001309 .queue_setup = coda_queue_setup,
1310 .buf_prepare = coda_buf_prepare,
1311 .buf_queue = coda_buf_queue,
Javier Martin186b2502012-07-26 05:53:35 -03001312 .start_streaming = coda_start_streaming,
1313 .stop_streaming = coda_stop_streaming,
Philipp Zabel152ea1c2014-07-11 06:36:21 -03001314 .wait_prepare = vb2_ops_wait_prepare,
1315 .wait_finish = vb2_ops_wait_finish,
Javier Martin186b2502012-07-26 05:53:35 -03001316};
1317
1318static int coda_s_ctrl(struct v4l2_ctrl *ctrl)
1319{
1320 struct coda_ctx *ctx =
1321 container_of(ctrl->handler, struct coda_ctx, ctrls);
1322
1323 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
1324 "s_ctrl: id = %d, val = %d\n", ctrl->id, ctrl->val);
1325
1326 switch (ctrl->id) {
Philipp Zabel8f35c7b2012-07-09 04:25:52 -03001327 case V4L2_CID_HFLIP:
1328 if (ctrl->val)
1329 ctx->params.rot_mode |= CODA_MIR_HOR;
1330 else
1331 ctx->params.rot_mode &= ~CODA_MIR_HOR;
1332 break;
1333 case V4L2_CID_VFLIP:
1334 if (ctrl->val)
1335 ctx->params.rot_mode |= CODA_MIR_VER;
1336 else
1337 ctx->params.rot_mode &= ~CODA_MIR_VER;
1338 break;
Javier Martin186b2502012-07-26 05:53:35 -03001339 case V4L2_CID_MPEG_VIDEO_BITRATE:
1340 ctx->params.bitrate = ctrl->val / 1000;
1341 break;
1342 case V4L2_CID_MPEG_VIDEO_GOP_SIZE:
1343 ctx->params.gop_size = ctrl->val;
1344 break;
1345 case V4L2_CID_MPEG_VIDEO_H264_I_FRAME_QP:
1346 ctx->params.h264_intra_qp = ctrl->val;
1347 break;
1348 case V4L2_CID_MPEG_VIDEO_H264_P_FRAME_QP:
1349 ctx->params.h264_inter_qp = ctrl->val;
1350 break;
Philipp Zabel1a5567e2014-07-11 06:36:26 -03001351 case V4L2_CID_MPEG_VIDEO_H264_MIN_QP:
1352 ctx->params.h264_min_qp = ctrl->val;
1353 break;
1354 case V4L2_CID_MPEG_VIDEO_H264_MAX_QP:
1355 ctx->params.h264_max_qp = ctrl->val;
1356 break;
Philipp Zabelde23b1d2014-07-11 06:36:27 -03001357 case V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_ALPHA:
1358 ctx->params.h264_deblk_alpha = ctrl->val;
1359 break;
1360 case V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_BETA:
1361 ctx->params.h264_deblk_beta = ctrl->val;
1362 break;
1363 case V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_MODE:
1364 ctx->params.h264_deblk_enabled = (ctrl->val ==
1365 V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_ENABLED);
1366 break;
Javier Martin186b2502012-07-26 05:53:35 -03001367 case V4L2_CID_MPEG_VIDEO_MPEG4_I_FRAME_QP:
1368 ctx->params.mpeg4_intra_qp = ctrl->val;
1369 break;
1370 case V4L2_CID_MPEG_VIDEO_MPEG4_P_FRAME_QP:
1371 ctx->params.mpeg4_inter_qp = ctrl->val;
1372 break;
1373 case V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MODE:
1374 ctx->params.slice_mode = ctrl->val;
1375 break;
1376 case V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_MB:
1377 ctx->params.slice_max_mb = ctrl->val;
1378 break;
Philipp Zabelc566c782012-08-08 11:59:38 -03001379 case V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_BYTES:
1380 ctx->params.slice_max_bits = ctrl->val * 8;
1381 break;
Javier Martin186b2502012-07-26 05:53:35 -03001382 case V4L2_CID_MPEG_VIDEO_HEADER_MODE:
1383 break;
Philipp Zabelf38f79d2014-07-11 06:36:28 -03001384 case V4L2_CID_MPEG_VIDEO_CYCLIC_INTRA_REFRESH_MB:
1385 ctx->params.intra_refresh = ctrl->val;
1386 break;
Philipp Zabelcb1d3a32014-10-02 14:08:31 -03001387 case V4L2_CID_JPEG_COMPRESSION_QUALITY:
1388 coda_set_jpeg_compression_quality(ctx, ctrl->val);
1389 break;
1390 case V4L2_CID_JPEG_RESTART_INTERVAL:
1391 ctx->params.jpeg_restart_interval = ctrl->val;
1392 break;
Javier Martin186b2502012-07-26 05:53:35 -03001393 default:
1394 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
1395 "Invalid control, id=%d, val=%d\n",
1396 ctrl->id, ctrl->val);
1397 return -EINVAL;
1398 }
1399
1400 return 0;
1401}
1402
Philipp Zabel814c3762014-07-18 07:22:45 -03001403static const struct v4l2_ctrl_ops coda_ctrl_ops = {
Javier Martin186b2502012-07-26 05:53:35 -03001404 .s_ctrl = coda_s_ctrl,
1405};
1406
Philipp Zabelbfc732f2014-10-02 14:08:29 -03001407static void coda_encode_ctrls(struct coda_ctx *ctx)
Javier Martin186b2502012-07-26 05:53:35 -03001408{
Philipp Zabel8f35c7b2012-07-09 04:25:52 -03001409 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
Javier Martin186b2502012-07-26 05:53:35 -03001410 V4L2_CID_MPEG_VIDEO_BITRATE, 0, 32767000, 1, 0);
1411 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
1412 V4L2_CID_MPEG_VIDEO_GOP_SIZE, 1, 60, 1, 16);
1413 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
Philipp Zabel594a7502014-07-11 06:36:14 -03001414 V4L2_CID_MPEG_VIDEO_H264_I_FRAME_QP, 0, 51, 1, 25);
Javier Martin186b2502012-07-26 05:53:35 -03001415 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
Philipp Zabel594a7502014-07-11 06:36:14 -03001416 V4L2_CID_MPEG_VIDEO_H264_P_FRAME_QP, 0, 51, 1, 25);
Philipp Zabel1a5567e2014-07-11 06:36:26 -03001417 if (ctx->dev->devtype->product != CODA_960) {
1418 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
1419 V4L2_CID_MPEG_VIDEO_H264_MIN_QP, 0, 51, 1, 12);
1420 }
1421 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
1422 V4L2_CID_MPEG_VIDEO_H264_MAX_QP, 0, 51, 1, 51);
Javier Martin186b2502012-07-26 05:53:35 -03001423 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
Philipp Zabelde23b1d2014-07-11 06:36:27 -03001424 V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_ALPHA, 0, 15, 1, 0);
1425 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
1426 V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_BETA, 0, 15, 1, 0);
1427 v4l2_ctrl_new_std_menu(&ctx->ctrls, &coda_ctrl_ops,
1428 V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_MODE,
1429 V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_DISABLED, 0x0,
1430 V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_ENABLED);
1431 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
Javier Martin186b2502012-07-26 05:53:35 -03001432 V4L2_CID_MPEG_VIDEO_MPEG4_I_FRAME_QP, 1, 31, 1, 2);
1433 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
1434 V4L2_CID_MPEG_VIDEO_MPEG4_P_FRAME_QP, 1, 31, 1, 2);
1435 v4l2_ctrl_new_std_menu(&ctx->ctrls, &coda_ctrl_ops,
1436 V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MODE,
Philipp Zabelc566c782012-08-08 11:59:38 -03001437 V4L2_MPEG_VIDEO_MULTI_SICE_MODE_MAX_BYTES, 0x0,
1438 V4L2_MPEG_VIDEO_MULTI_SLICE_MODE_SINGLE);
Javier Martin186b2502012-07-26 05:53:35 -03001439 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
1440 V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_MB, 1, 0x3fffffff, 1, 1);
Philipp Zabelc566c782012-08-08 11:59:38 -03001441 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
Philipp Zabelf23797b2014-08-06 08:02:23 -03001442 V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_BYTES, 1, 0x3fffffff, 1,
1443 500);
Javier Martin186b2502012-07-26 05:53:35 -03001444 v4l2_ctrl_new_std_menu(&ctx->ctrls, &coda_ctrl_ops,
1445 V4L2_CID_MPEG_VIDEO_HEADER_MODE,
1446 V4L2_MPEG_VIDEO_HEADER_MODE_JOINED_WITH_1ST_FRAME,
1447 (1 << V4L2_MPEG_VIDEO_HEADER_MODE_SEPARATE),
1448 V4L2_MPEG_VIDEO_HEADER_MODE_JOINED_WITH_1ST_FRAME);
Philipp Zabelf38f79d2014-07-11 06:36:28 -03001449 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
Philipp Zabelf23797b2014-08-06 08:02:23 -03001450 V4L2_CID_MPEG_VIDEO_CYCLIC_INTRA_REFRESH_MB, 0,
1451 1920 * 1088 / 256, 1, 0);
Philipp Zabelbfc732f2014-10-02 14:08:29 -03001452}
1453
Philipp Zabelcb1d3a32014-10-02 14:08:31 -03001454static void coda_jpeg_encode_ctrls(struct coda_ctx *ctx)
1455{
1456 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
1457 V4L2_CID_JPEG_COMPRESSION_QUALITY, 5, 100, 1, 50);
1458 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
1459 V4L2_CID_JPEG_RESTART_INTERVAL, 0, 100, 1, 0);
1460}
1461
Philipp Zabelbfc732f2014-10-02 14:08:29 -03001462static int coda_ctrls_setup(struct coda_ctx *ctx)
1463{
1464 v4l2_ctrl_handler_init(&ctx->ctrls, 2);
1465
1466 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
1467 V4L2_CID_HFLIP, 0, 1, 1, 0);
1468 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
1469 V4L2_CID_VFLIP, 0, 1, 1, 0);
Philipp Zabelcb1d3a32014-10-02 14:08:31 -03001470 if (ctx->inst_type == CODA_INST_ENCODER) {
1471 if (ctx->cvd->dst_formats[0] == V4L2_PIX_FMT_JPEG)
1472 coda_jpeg_encode_ctrls(ctx);
1473 else
1474 coda_encode_ctrls(ctx);
1475 }
Javier Martin186b2502012-07-26 05:53:35 -03001476
1477 if (ctx->ctrls.error) {
Philipp Zabelf23797b2014-08-06 08:02:23 -03001478 v4l2_err(&ctx->dev->v4l2_dev,
1479 "control initialization error (%d)",
Javier Martin186b2502012-07-26 05:53:35 -03001480 ctx->ctrls.error);
1481 return -EINVAL;
1482 }
1483
1484 return v4l2_ctrl_handler_setup(&ctx->ctrls);
1485}
1486
Philipp Zabel121cacf2014-07-18 07:22:42 -03001487static int coda_queue_init(struct coda_ctx *ctx, struct vb2_queue *vq)
Javier Martin186b2502012-07-26 05:53:35 -03001488{
Philipp Zabel121cacf2014-07-18 07:22:42 -03001489 vq->drv_priv = ctx;
1490 vq->ops = &coda_qops;
1491 vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer);
1492 vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
1493 vq->lock = &ctx->dev->dev_mutex;
1494
1495 return vb2_queue_init(vq);
1496}
1497
Philipp Zabel79924ca2014-07-23 12:28:45 -03001498int coda_encoder_queue_init(void *priv, struct vb2_queue *src_vq,
1499 struct vb2_queue *dst_vq)
Philipp Zabel121cacf2014-07-18 07:22:42 -03001500{
Javier Martin186b2502012-07-26 05:53:35 -03001501 int ret;
1502
Javier Martin186b2502012-07-26 05:53:35 -03001503 src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT;
Philipp Zabeld29a8cf2014-07-18 07:22:38 -03001504 src_vq->io_modes = VB2_DMABUF | VB2_MMAP;
Javier Martin186b2502012-07-26 05:53:35 -03001505 src_vq->mem_ops = &vb2_dma_contig_memops;
1506
Philipp Zabel121cacf2014-07-18 07:22:42 -03001507 ret = coda_queue_init(priv, src_vq);
Javier Martin186b2502012-07-26 05:53:35 -03001508 if (ret)
1509 return ret;
1510
Javier Martin186b2502012-07-26 05:53:35 -03001511 dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
Philipp Zabeld29a8cf2014-07-18 07:22:38 -03001512 dst_vq->io_modes = VB2_DMABUF | VB2_MMAP;
Javier Martin186b2502012-07-26 05:53:35 -03001513 dst_vq->mem_ops = &vb2_dma_contig_memops;
1514
Philipp Zabel121cacf2014-07-18 07:22:42 -03001515 return coda_queue_init(priv, dst_vq);
1516}
1517
Philipp Zabel79924ca2014-07-23 12:28:45 -03001518int coda_decoder_queue_init(void *priv, struct vb2_queue *src_vq,
1519 struct vb2_queue *dst_vq)
Philipp Zabel121cacf2014-07-18 07:22:42 -03001520{
1521 int ret;
1522
1523 src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT;
1524 src_vq->io_modes = VB2_DMABUF | VB2_MMAP;
1525 src_vq->mem_ops = &vb2_dma_contig_memops;
1526
1527 ret = coda_queue_init(priv, src_vq);
1528 if (ret)
1529 return ret;
1530
1531 dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1532 dst_vq->io_modes = VB2_DMABUF | VB2_MMAP;
1533 dst_vq->mem_ops = &vb2_dma_contig_memops;
1534
1535 return coda_queue_init(priv, dst_vq);
Javier Martin186b2502012-07-26 05:53:35 -03001536}
1537
Philipp Zabele11f3e62012-07-25 09:16:58 -03001538static int coda_next_free_instance(struct coda_dev *dev)
1539{
Philipp Zabel0cddc7e2013-09-30 10:34:44 -03001540 int idx = ffz(dev->instance_mask);
1541
1542 if ((idx < 0) ||
1543 (dev->devtype->product == CODA_DX6 && idx > CODADX6_MAX_INSTANCES))
1544 return -EBUSY;
1545
1546 return idx;
Philipp Zabele11f3e62012-07-25 09:16:58 -03001547}
1548
Philipp Zabel2c11d1b2014-10-02 14:08:28 -03001549/*
1550 * File operations
1551 */
1552
1553static int coda_open(struct file *file)
Javier Martin186b2502012-07-26 05:53:35 -03001554{
Philipp Zabel2c11d1b2014-10-02 14:08:28 -03001555 struct video_device *vdev = video_devdata(file);
1556 struct coda_dev *dev = video_get_drvdata(vdev);
Javier Martin186b2502012-07-26 05:53:35 -03001557 struct coda_ctx *ctx = NULL;
Philipp Zabelf61c0b12014-07-11 06:36:40 -03001558 char *name;
Philipp Zabel918c66f2013-06-27 06:59:01 -03001559 int ret;
Philipp Zabele11f3e62012-07-25 09:16:58 -03001560 int idx;
Javier Martin186b2502012-07-26 05:53:35 -03001561
Philipp Zabelf23797b2014-08-06 08:02:23 -03001562 ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
Javier Martin186b2502012-07-26 05:53:35 -03001563 if (!ctx)
1564 return -ENOMEM;
1565
Fabio Estevamf82bc202013-08-21 11:14:16 -03001566 idx = coda_next_free_instance(dev);
Philipp Zabel0cddc7e2013-09-30 10:34:44 -03001567 if (idx < 0) {
1568 ret = idx;
Fabio Estevamf82bc202013-08-21 11:14:16 -03001569 goto err_coda_max;
1570 }
1571 set_bit(idx, &dev->instance_mask);
1572
Philipp Zabelf61c0b12014-07-11 06:36:40 -03001573 name = kasprintf(GFP_KERNEL, "context%d", idx);
1574 ctx->debugfs_entry = debugfs_create_dir(name, dev->debugfs_root);
1575 kfree(name);
1576
Philipp Zabel2c11d1b2014-10-02 14:08:28 -03001577 ctx->cvd = to_coda_video_device(vdev);
1578 ctx->inst_type = ctx->cvd->type;
1579 ctx->ops = ctx->cvd->ops;
Philipp Zabel32b6f202014-07-11 06:36:20 -03001580 init_completion(&ctx->completion);
1581 INIT_WORK(&ctx->pic_run_work, coda_pic_run_work);
Philipp Zabela1192a12014-07-23 12:28:40 -03001582 INIT_WORK(&ctx->seq_end_work, ctx->ops->seq_end_work);
Javier Martin186b2502012-07-26 05:53:35 -03001583 v4l2_fh_init(&ctx->fh, video_devdata(file));
1584 file->private_data = &ctx->fh;
1585 v4l2_fh_add(&ctx->fh);
1586 ctx->dev = dev;
Philipp Zabele11f3e62012-07-25 09:16:58 -03001587 ctx->idx = idx;
Philipp Zabel5677e3b2013-06-21 03:55:30 -03001588 switch (dev->devtype->product) {
Philipp Zabel89548442014-07-11 06:36:17 -03001589 case CODA_960:
Philipp Zabel2bf299c2014-09-29 09:53:46 -03001590 ctx->frame_mem_ctrl = 1 << 12;
1591 /* fallthrough */
1592 case CODA_7541:
Philipp Zabel5677e3b2013-06-21 03:55:30 -03001593 ctx->reg_idx = 0;
1594 break;
1595 default:
1596 ctx->reg_idx = idx;
1597 }
Fabio Estevamf82bc202013-08-21 11:14:16 -03001598
Philipp Zabel1e172732014-07-11 06:36:23 -03001599 /* Power up and upload firmware if necessary */
1600 ret = pm_runtime_get_sync(&dev->plat_dev->dev);
1601 if (ret < 0) {
1602 v4l2_err(&dev->v4l2_dev, "failed to power up: %d\n", ret);
1603 goto err_pm_get;
1604 }
1605
Fabio Estevam79830db2013-08-21 11:14:17 -03001606 ret = clk_prepare_enable(dev->clk_per);
1607 if (ret)
1608 goto err_clk_per;
1609
1610 ret = clk_prepare_enable(dev->clk_ahb);
1611 if (ret)
1612 goto err_clk_ahb;
1613
Javier Martin186b2502012-07-26 05:53:35 -03001614 set_default_params(ctx);
Philipp Zabela1192a12014-07-23 12:28:40 -03001615 ctx->fh.m2m_ctx = v4l2_m2m_ctx_init(dev->m2m_dev, ctx,
1616 ctx->ops->queue_init);
Philipp Zabel14604e32014-07-11 06:36:22 -03001617 if (IS_ERR(ctx->fh.m2m_ctx)) {
1618 ret = PTR_ERR(ctx->fh.m2m_ctx);
Javier Martin186b2502012-07-26 05:53:35 -03001619
1620 v4l2_err(&dev->v4l2_dev, "%s return error (%d)\n",
1621 __func__, ret);
Fabio Estevamf82bc202013-08-21 11:14:16 -03001622 goto err_ctx_init;
Javier Martin186b2502012-07-26 05:53:35 -03001623 }
Philipp Zabel152ea1c2014-07-11 06:36:21 -03001624
Javier Martin186b2502012-07-26 05:53:35 -03001625 ret = coda_ctrls_setup(ctx);
1626 if (ret) {
1627 v4l2_err(&dev->v4l2_dev, "failed to setup coda controls\n");
Fabio Estevamf82bc202013-08-21 11:14:16 -03001628 goto err_ctrls_setup;
Javier Martin186b2502012-07-26 05:53:35 -03001629 }
1630
1631 ctx->fh.ctrl_handler = &ctx->ctrls;
1632
Philipp Zabelcb1d3a32014-10-02 14:08:31 -03001633 ret = coda_alloc_context_buf(ctx, &ctx->parabuf,
1634 CODA_PARA_BUF_SIZE, "parabuf");
Philipp Zabel5677e3b2013-06-21 03:55:30 -03001635 if (ret < 0) {
Javier Martin186b2502012-07-26 05:53:35 -03001636 v4l2_err(&dev->v4l2_dev, "failed to allocate parabuf");
Fabio Estevamf82bc202013-08-21 11:14:16 -03001637 goto err_dma_alloc;
Javier Martin186b2502012-07-26 05:53:35 -03001638 }
1639
Philipp Zabel9082a7c2013-06-21 03:55:31 -03001640 ctx->bitstream.size = CODA_MAX_FRAME_SIZE;
Philipp Zabelcb1d3a32014-10-02 14:08:31 -03001641 ctx->bitstream.vaddr = dma_alloc_writecombine(
1642 &dev->plat_dev->dev, ctx->bitstream.size,
1643 &ctx->bitstream.paddr, GFP_KERNEL);
Philipp Zabel9082a7c2013-06-21 03:55:31 -03001644 if (!ctx->bitstream.vaddr) {
Philipp Zabelf23797b2014-08-06 08:02:23 -03001645 v4l2_err(&dev->v4l2_dev,
1646 "failed to allocate bitstream ringbuffer");
Philipp Zabel9082a7c2013-06-21 03:55:31 -03001647 ret = -ENOMEM;
Fabio Estevamf82bc202013-08-21 11:14:16 -03001648 goto err_dma_writecombine;
Philipp Zabel9082a7c2013-06-21 03:55:31 -03001649 }
1650 kfifo_init(&ctx->bitstream_fifo,
1651 ctx->bitstream.vaddr, ctx->bitstream.size);
1652 mutex_init(&ctx->bitstream_mutex);
Philipp Zabel918c66f2013-06-27 06:59:01 -03001653 mutex_init(&ctx->buffer_mutex);
Philipp Zabel7cbb1052014-10-02 14:08:32 -03001654 INIT_LIST_HEAD(&ctx->buffer_meta_list);
Philipp Zabel9082a7c2013-06-21 03:55:31 -03001655
Javier Martin186b2502012-07-26 05:53:35 -03001656 coda_lock(ctx);
Philipp Zabele11f3e62012-07-25 09:16:58 -03001657 list_add(&ctx->list, &dev->instances);
Javier Martin186b2502012-07-26 05:53:35 -03001658 coda_unlock(ctx);
1659
Javier Martin186b2502012-07-26 05:53:35 -03001660 v4l2_dbg(1, coda_debug, &dev->v4l2_dev, "Created instance %d (%p)\n",
1661 ctx->idx, ctx);
1662
1663 return 0;
1664
Fabio Estevamf82bc202013-08-21 11:14:16 -03001665err_dma_writecombine:
Fabio Estevamf82bc202013-08-21 11:14:16 -03001666 if (ctx->dev->devtype->product == CODA_DX6)
1667 coda_free_aux_buf(dev, &ctx->workbuf);
1668 coda_free_aux_buf(dev, &ctx->parabuf);
1669err_dma_alloc:
1670 v4l2_ctrl_handler_free(&ctx->ctrls);
1671err_ctrls_setup:
Philipp Zabel14604e32014-07-11 06:36:22 -03001672 v4l2_m2m_ctx_release(ctx->fh.m2m_ctx);
Fabio Estevamf82bc202013-08-21 11:14:16 -03001673err_ctx_init:
1674 clk_disable_unprepare(dev->clk_ahb);
Fabio Estevam79830db2013-08-21 11:14:17 -03001675err_clk_ahb:
Fabio Estevamf82bc202013-08-21 11:14:16 -03001676 clk_disable_unprepare(dev->clk_per);
Fabio Estevam79830db2013-08-21 11:14:17 -03001677err_clk_per:
Philipp Zabel1e172732014-07-11 06:36:23 -03001678 pm_runtime_put_sync(&dev->plat_dev->dev);
1679err_pm_get:
Javier Martin186b2502012-07-26 05:53:35 -03001680 v4l2_fh_del(&ctx->fh);
1681 v4l2_fh_exit(&ctx->fh);
Fabio Estevamf82bc202013-08-21 11:14:16 -03001682 clear_bit(ctx->idx, &dev->instance_mask);
1683err_coda_max:
Javier Martin186b2502012-07-26 05:53:35 -03001684 kfree(ctx);
1685 return ret;
1686}
1687
1688static int coda_release(struct file *file)
1689{
1690 struct coda_dev *dev = video_drvdata(file);
1691 struct coda_ctx *ctx = fh_to_ctx(file->private_data);
1692
1693 v4l2_dbg(1, coda_debug, &dev->v4l2_dev, "Releasing instance %p\n",
1694 ctx);
1695
Philipp Zabelf61c0b12014-07-11 06:36:40 -03001696 debugfs_remove_recursive(ctx->debugfs_entry);
1697
Philipp Zabeld4bb75f2014-10-08 13:09:11 -03001698 if (ctx->inst_type == CODA_INST_DECODER)
1699 coda_bit_stream_end_flag(ctx);
1700
Philipp Zabel918c66f2013-06-27 06:59:01 -03001701 /* If this instance is running, call .job_abort and wait for it to end */
Philipp Zabel14604e32014-07-11 06:36:22 -03001702 v4l2_m2m_ctx_release(ctx->fh.m2m_ctx);
Philipp Zabel918c66f2013-06-27 06:59:01 -03001703
1704 /* In case the instance was not running, we still need to call SEQ_END */
Philipp Zabel32b6f202014-07-11 06:36:20 -03001705 if (ctx->initialized) {
1706 queue_work(dev->workqueue, &ctx->seq_end_work);
1707 flush_work(&ctx->seq_end_work);
Philipp Zabel918c66f2013-06-27 06:59:01 -03001708 }
Philipp Zabel918c66f2013-06-27 06:59:01 -03001709
Javier Martin186b2502012-07-26 05:53:35 -03001710 coda_lock(ctx);
Philipp Zabele11f3e62012-07-25 09:16:58 -03001711 list_del(&ctx->list);
Javier Martin186b2502012-07-26 05:53:35 -03001712 coda_unlock(ctx);
1713
Philipp Zabelcb1d3a32014-10-02 14:08:31 -03001714 if (ctx->bitstream.vaddr) {
1715 dma_free_writecombine(&dev->plat_dev->dev, ctx->bitstream.size,
1716 ctx->bitstream.vaddr, ctx->bitstream.paddr);
1717 }
Philipp Zabel5677e3b2013-06-21 03:55:30 -03001718 if (ctx->dev->devtype->product == CODA_DX6)
1719 coda_free_aux_buf(dev, &ctx->workbuf);
1720
1721 coda_free_aux_buf(dev, &ctx->parabuf);
Javier Martin186b2502012-07-26 05:53:35 -03001722 v4l2_ctrl_handler_free(&ctx->ctrls);
Javier Martin186b2502012-07-26 05:53:35 -03001723 clk_disable_unprepare(dev->clk_ahb);
Fabio Estevamf82bc202013-08-21 11:14:16 -03001724 clk_disable_unprepare(dev->clk_per);
Philipp Zabel1e172732014-07-11 06:36:23 -03001725 pm_runtime_put_sync(&dev->plat_dev->dev);
Javier Martin186b2502012-07-26 05:53:35 -03001726 v4l2_fh_del(&ctx->fh);
1727 v4l2_fh_exit(&ctx->fh);
Philipp Zabele11f3e62012-07-25 09:16:58 -03001728 clear_bit(ctx->idx, &dev->instance_mask);
Philipp Zabel58b76772014-07-23 12:28:43 -03001729 if (ctx->ops->release)
1730 ctx->ops->release(ctx);
Javier Martin186b2502012-07-26 05:53:35 -03001731 kfree(ctx);
1732
1733 return 0;
1734}
1735
Philipp Zabel2c11d1b2014-10-02 14:08:28 -03001736static const struct v4l2_file_operations coda_fops = {
Javier Martin186b2502012-07-26 05:53:35 -03001737 .owner = THIS_MODULE,
Philipp Zabel2c11d1b2014-10-02 14:08:28 -03001738 .open = coda_open,
Javier Martin186b2502012-07-26 05:53:35 -03001739 .release = coda_release,
Philipp Zabel152ea1c2014-07-11 06:36:21 -03001740 .poll = v4l2_m2m_fop_poll,
Javier Martin186b2502012-07-26 05:53:35 -03001741 .unlocked_ioctl = video_ioctl2,
Philipp Zabel152ea1c2014-07-11 06:36:21 -03001742 .mmap = v4l2_m2m_fop_mmap,
Javier Martin186b2502012-07-26 05:53:35 -03001743};
1744
Philipp Zabel87048bb2012-07-02 07:03:43 -03001745static int coda_hw_init(struct coda_dev *dev)
Javier Martin186b2502012-07-26 05:53:35 -03001746{
Javier Martin186b2502012-07-26 05:53:35 -03001747 u32 data;
1748 u16 *p;
Fabio Estevam79830db2013-08-21 11:14:17 -03001749 int i, ret;
Javier Martin186b2502012-07-26 05:53:35 -03001750
Fabio Estevam79830db2013-08-21 11:14:17 -03001751 ret = clk_prepare_enable(dev->clk_per);
1752 if (ret)
Philipp Zabel1e172732014-07-11 06:36:23 -03001753 goto err_clk_per;
Fabio Estevam79830db2013-08-21 11:14:17 -03001754
1755 ret = clk_prepare_enable(dev->clk_ahb);
1756 if (ret)
1757 goto err_clk_ahb;
Javier Martin186b2502012-07-26 05:53:35 -03001758
Philipp Zabel8f452842014-07-11 06:36:35 -03001759 if (dev->rstc)
1760 reset_control_reset(dev->rstc);
1761
Javier Martin186b2502012-07-26 05:53:35 -03001762 /*
1763 * Copy the first CODA_ISRAM_SIZE in the internal SRAM.
Philipp Zabel87048bb2012-07-02 07:03:43 -03001764 * The 16-bit chars in the code buffer are in memory access
1765 * order, re-sort them to CODA order for register download.
Javier Martin186b2502012-07-26 05:53:35 -03001766 * Data in this SRAM survives a reboot.
1767 */
Philipp Zabel87048bb2012-07-02 07:03:43 -03001768 p = (u16 *)dev->codebuf.vaddr;
1769 if (dev->devtype->product == CODA_DX6) {
1770 for (i = 0; i < (CODA_ISRAM_SIZE / 2); i++) {
1771 data = CODA_DOWN_ADDRESS_SET(i) |
1772 CODA_DOWN_DATA_SET(p[i ^ 1]);
1773 coda_write(dev, data, CODA_REG_BIT_CODE_DOWN);
1774 }
1775 } else {
1776 for (i = 0; i < (CODA_ISRAM_SIZE / 2); i++) {
1777 data = CODA_DOWN_ADDRESS_SET(i) |
1778 CODA_DOWN_DATA_SET(p[round_down(i, 4) +
1779 3 - (i % 4)]);
1780 coda_write(dev, data, CODA_REG_BIT_CODE_DOWN);
1781 }
Javier Martin186b2502012-07-26 05:53:35 -03001782 }
Javier Martin186b2502012-07-26 05:53:35 -03001783
Philipp Zabel9acf7692013-05-23 10:42:56 -03001784 /* Clear registers */
1785 for (i = 0; i < 64; i++)
1786 coda_write(dev, 0, CODA_REG_BIT_CODE_BUF_ADDR + i * 4);
1787
Javier Martin186b2502012-07-26 05:53:35 -03001788 /* Tell the BIT where to find everything it needs */
Philipp Zabel89548442014-07-11 06:36:17 -03001789 if (dev->devtype->product == CODA_960 ||
1790 dev->devtype->product == CODA_7541) {
Philipp Zabel5677e3b2013-06-21 03:55:30 -03001791 coda_write(dev, dev->tempbuf.paddr,
1792 CODA_REG_BIT_TEMP_BUF_ADDR);
Philipp Zabel918c66f2013-06-27 06:59:01 -03001793 coda_write(dev, 0, CODA_REG_BIT_BIT_STREAM_PARAM);
Philipp Zabel5677e3b2013-06-21 03:55:30 -03001794 } else {
1795 coda_write(dev, dev->workbuf.paddr,
1796 CODA_REG_BIT_WORK_BUF_ADDR);
1797 }
Javier Martin186b2502012-07-26 05:53:35 -03001798 coda_write(dev, dev->codebuf.paddr,
1799 CODA_REG_BIT_CODE_BUF_ADDR);
1800 coda_write(dev, 0, CODA_REG_BIT_CODE_RUN);
1801
1802 /* Set default values */
1803 switch (dev->devtype->product) {
1804 case CODA_DX6:
Philipp Zabelf23797b2014-08-06 08:02:23 -03001805 coda_write(dev, CODADX6_STREAM_BUF_PIC_FLUSH,
1806 CODA_REG_BIT_STREAM_CTRL);
Javier Martin186b2502012-07-26 05:53:35 -03001807 break;
1808 default:
Philipp Zabelf23797b2014-08-06 08:02:23 -03001809 coda_write(dev, CODA7_STREAM_BUF_PIC_FLUSH,
1810 CODA_REG_BIT_STREAM_CTRL);
Javier Martin186b2502012-07-26 05:53:35 -03001811 }
Philipp Zabel89548442014-07-11 06:36:17 -03001812 if (dev->devtype->product == CODA_960)
1813 coda_write(dev, 1 << 12, CODA_REG_BIT_FRAME_MEM_CTRL);
1814 else
1815 coda_write(dev, 0, CODA_REG_BIT_FRAME_MEM_CTRL);
Philipp Zabel10436672012-07-02 09:03:55 -03001816
1817 if (dev->devtype->product != CODA_DX6)
1818 coda_write(dev, 0, CODA7_REG_BIT_AXI_SRAM_USE);
1819
Javier Martin186b2502012-07-26 05:53:35 -03001820 coda_write(dev, CODA_INT_INTERRUPT_ENABLE,
1821 CODA_REG_BIT_INT_ENABLE);
1822
1823 /* Reset VPU and start processor */
1824 data = coda_read(dev, CODA_REG_BIT_CODE_RESET);
1825 data |= CODA_REG_RESET_ENABLE;
1826 coda_write(dev, data, CODA_REG_BIT_CODE_RESET);
1827 udelay(10);
1828 data &= ~CODA_REG_RESET_ENABLE;
1829 coda_write(dev, data, CODA_REG_BIT_CODE_RESET);
1830 coda_write(dev, CODA_REG_RUN_ENABLE, CODA_REG_BIT_CODE_RUN);
1831
Philipp Zabelfe7554e2014-07-11 06:36:24 -03001832 clk_disable_unprepare(dev->clk_ahb);
1833 clk_disable_unprepare(dev->clk_per);
1834
1835 return 0;
1836
1837err_clk_ahb:
1838 clk_disable_unprepare(dev->clk_per);
1839err_clk_per:
1840 return ret;
1841}
1842
Philipp Zabel2c11d1b2014-10-02 14:08:28 -03001843static int coda_register_device(struct coda_dev *dev, int i)
Philipp Zabel121cacf2014-07-18 07:22:42 -03001844{
Philipp Zabel2c11d1b2014-10-02 14:08:28 -03001845 struct video_device *vfd = &dev->vfd[i];
1846
1847 if (i > ARRAY_SIZE(dev->vfd))
1848 return -EINVAL;
1849
1850 snprintf(vfd->name, sizeof(vfd->name), dev->devtype->vdevs[i]->name);
1851 vfd->fops = &coda_fops;
1852 vfd->ioctl_ops = &coda_ioctl_ops;
Philipp Zabel121cacf2014-07-18 07:22:42 -03001853 vfd->release = video_device_release_empty,
1854 vfd->lock = &dev->dev_mutex;
1855 vfd->v4l2_dev = &dev->v4l2_dev;
1856 vfd->vfl_dir = VFL_DIR_M2M;
1857 video_set_drvdata(vfd, dev);
1858
Philipp Zabela188a662014-08-05 14:00:20 -03001859 /* Not applicable, use the selection API instead */
1860 v4l2_disable_ioctl(vfd, VIDIOC_CROPCAP);
1861 v4l2_disable_ioctl(vfd, VIDIOC_G_CROP);
1862 v4l2_disable_ioctl(vfd, VIDIOC_S_CROP);
1863
Philipp Zabel121cacf2014-07-18 07:22:42 -03001864 return video_register_device(vfd, VFL_TYPE_GRABBER, 0);
1865}
1866
Javier Martin186b2502012-07-26 05:53:35 -03001867static void coda_fw_callback(const struct firmware *fw, void *context)
1868{
1869 struct coda_dev *dev = context;
1870 struct platform_device *pdev = dev->plat_dev;
Philipp Zabel2c11d1b2014-10-02 14:08:28 -03001871 int i, ret;
Javier Martin186b2502012-07-26 05:53:35 -03001872
1873 if (!fw) {
1874 v4l2_err(&dev->v4l2_dev, "firmware request failed\n");
Ulf Hanssonc5d28e22014-09-22 13:05:56 -03001875 goto put_pm;
Javier Martin186b2502012-07-26 05:53:35 -03001876 }
1877
1878 /* allocate auxiliary per-device code buffer for the BIT processor */
Philipp Zabelf61c0b12014-07-11 06:36:40 -03001879 ret = coda_alloc_aux_buf(dev, &dev->codebuf, fw->size, "codebuf",
1880 dev->debugfs_root);
Philipp Zabel5677e3b2013-06-21 03:55:30 -03001881 if (ret < 0) {
Javier Martin186b2502012-07-26 05:53:35 -03001882 dev_err(&pdev->dev, "failed to allocate code buffer\n");
Ulf Hanssonc5d28e22014-09-22 13:05:56 -03001883 goto put_pm;
Javier Martin186b2502012-07-26 05:53:35 -03001884 }
1885
Philipp Zabel87048bb2012-07-02 07:03:43 -03001886 /* Copy the whole firmware image to the code buffer */
1887 memcpy(dev->codebuf.vaddr, fw->data, fw->size);
1888 release_firmware(fw);
1889
Ulf Hanssonc5d28e22014-09-22 13:05:56 -03001890 ret = coda_hw_init(dev);
1891 if (ret < 0) {
1892 v4l2_err(&dev->v4l2_dev, "HW initialization failed\n");
1893 goto put_pm;
Javier Martin186b2502012-07-26 05:53:35 -03001894 }
1895
Ulf Hanssonc5d28e22014-09-22 13:05:56 -03001896 ret = coda_check_firmware(dev);
1897 if (ret < 0)
1898 goto put_pm;
1899
Javier Martin186b2502012-07-26 05:53:35 -03001900 dev->alloc_ctx = vb2_dma_contig_init_ctx(&pdev->dev);
1901 if (IS_ERR(dev->alloc_ctx)) {
1902 v4l2_err(&dev->v4l2_dev, "Failed to alloc vb2 context\n");
Ulf Hanssonc5d28e22014-09-22 13:05:56 -03001903 goto put_pm;
Javier Martin186b2502012-07-26 05:53:35 -03001904 }
1905
1906 dev->m2m_dev = v4l2_m2m_init(&coda_m2m_ops);
1907 if (IS_ERR(dev->m2m_dev)) {
1908 v4l2_err(&dev->v4l2_dev, "Failed to init mem2mem device\n");
1909 goto rel_ctx;
1910 }
1911
Philipp Zabel2c11d1b2014-10-02 14:08:28 -03001912 for (i = 0; i < dev->devtype->num_vdevs; i++) {
1913 ret = coda_register_device(dev, i);
1914 if (ret) {
1915 v4l2_err(&dev->v4l2_dev,
1916 "Failed to register %s video device: %d\n",
1917 dev->devtype->vdevs[i]->name, ret);
1918 goto rel_vfd;
1919 }
Philipp Zabel121cacf2014-07-18 07:22:42 -03001920 }
1921
1922 v4l2_info(&dev->v4l2_dev, "codec registered as /dev/video[%d-%d]\n",
Philipp Zabel2c11d1b2014-10-02 14:08:28 -03001923 dev->vfd[0].num, dev->vfd[i - 1].num);
Javier Martin186b2502012-07-26 05:53:35 -03001924
Ulf Hanssonc5d28e22014-09-22 13:05:56 -03001925 pm_runtime_put_sync(&pdev->dev);
Javier Martin186b2502012-07-26 05:53:35 -03001926 return;
1927
Philipp Zabel2c11d1b2014-10-02 14:08:28 -03001928rel_vfd:
1929 while (--i >= 0)
1930 video_unregister_device(&dev->vfd[i]);
Javier Martin186b2502012-07-26 05:53:35 -03001931 v4l2_m2m_release(dev->m2m_dev);
1932rel_ctx:
1933 vb2_dma_contig_cleanup_ctx(dev->alloc_ctx);
Ulf Hanssonc5d28e22014-09-22 13:05:56 -03001934put_pm:
1935 pm_runtime_put_sync(&pdev->dev);
Javier Martin186b2502012-07-26 05:53:35 -03001936}
1937
1938static int coda_firmware_request(struct coda_dev *dev)
1939{
1940 char *fw = dev->devtype->firmware;
1941
1942 dev_dbg(&dev->plat_dev->dev, "requesting firmware '%s' for %s\n", fw,
1943 coda_product_name(dev->devtype->product));
1944
1945 return request_firmware_nowait(THIS_MODULE, true,
1946 fw, &dev->plat_dev->dev, GFP_KERNEL, dev, coda_fw_callback);
1947}
1948
1949enum coda_platform {
1950 CODA_IMX27,
Philipp Zabeldf1e74c2012-07-02 06:07:10 -03001951 CODA_IMX53,
Philipp Zabel89548442014-07-11 06:36:17 -03001952 CODA_IMX6Q,
1953 CODA_IMX6DL,
Javier Martin186b2502012-07-26 05:53:35 -03001954};
1955
Emil Goodec06d8752012-08-14 17:44:42 -03001956static const struct coda_devtype coda_devdata[] = {
Javier Martin186b2502012-07-26 05:53:35 -03001957 [CODA_IMX27] = {
Philipp Zabele5b0d1c2014-07-11 06:36:41 -03001958 .firmware = "v4l-codadx6-imx27.bin",
1959 .product = CODA_DX6,
1960 .codecs = codadx6_codecs,
1961 .num_codecs = ARRAY_SIZE(codadx6_codecs),
Philipp Zabel2c11d1b2014-10-02 14:08:28 -03001962 .vdevs = codadx6_video_devices,
1963 .num_vdevs = ARRAY_SIZE(codadx6_video_devices),
Philipp Zabele5b0d1c2014-07-11 06:36:41 -03001964 .workbuf_size = 288 * 1024 + FMO_SLICE_SAVE_BUF_SIZE * 8 * 1024,
Philipp Zabel401e9722014-07-11 06:36:43 -03001965 .iram_size = 0xb000,
Javier Martin186b2502012-07-26 05:53:35 -03001966 },
Philipp Zabeldf1e74c2012-07-02 06:07:10 -03001967 [CODA_IMX53] = {
Philipp Zabele5b0d1c2014-07-11 06:36:41 -03001968 .firmware = "v4l-coda7541-imx53.bin",
1969 .product = CODA_7541,
1970 .codecs = coda7_codecs,
1971 .num_codecs = ARRAY_SIZE(coda7_codecs),
Philipp Zabel2c11d1b2014-10-02 14:08:28 -03001972 .vdevs = coda7_video_devices,
1973 .num_vdevs = ARRAY_SIZE(coda7_video_devices),
Philipp Zabele5b0d1c2014-07-11 06:36:41 -03001974 .workbuf_size = 128 * 1024,
Philipp Zabel5d73fad2014-07-11 06:36:42 -03001975 .tempbuf_size = 304 * 1024,
Philipp Zabel401e9722014-07-11 06:36:43 -03001976 .iram_size = 0x14000,
Philipp Zabeldf1e74c2012-07-02 06:07:10 -03001977 },
Philipp Zabel89548442014-07-11 06:36:17 -03001978 [CODA_IMX6Q] = {
Philipp Zabele5b0d1c2014-07-11 06:36:41 -03001979 .firmware = "v4l-coda960-imx6q.bin",
1980 .product = CODA_960,
1981 .codecs = coda9_codecs,
1982 .num_codecs = ARRAY_SIZE(coda9_codecs),
Philipp Zabel2c11d1b2014-10-02 14:08:28 -03001983 .vdevs = coda9_video_devices,
1984 .num_vdevs = ARRAY_SIZE(coda9_video_devices),
Philipp Zabele5b0d1c2014-07-11 06:36:41 -03001985 .workbuf_size = 80 * 1024,
Philipp Zabel5d73fad2014-07-11 06:36:42 -03001986 .tempbuf_size = 204 * 1024,
Philipp Zabel401e9722014-07-11 06:36:43 -03001987 .iram_size = 0x21000,
Philipp Zabel89548442014-07-11 06:36:17 -03001988 },
1989 [CODA_IMX6DL] = {
Philipp Zabele5b0d1c2014-07-11 06:36:41 -03001990 .firmware = "v4l-coda960-imx6dl.bin",
1991 .product = CODA_960,
1992 .codecs = coda9_codecs,
1993 .num_codecs = ARRAY_SIZE(coda9_codecs),
Philipp Zabel2c11d1b2014-10-02 14:08:28 -03001994 .vdevs = coda9_video_devices,
1995 .num_vdevs = ARRAY_SIZE(coda9_video_devices),
Philipp Zabele5b0d1c2014-07-11 06:36:41 -03001996 .workbuf_size = 80 * 1024,
Philipp Zabel5d73fad2014-07-11 06:36:42 -03001997 .tempbuf_size = 204 * 1024,
Philipp Zabel401e9722014-07-11 06:36:43 -03001998 .iram_size = 0x20000,
Philipp Zabel89548442014-07-11 06:36:17 -03001999 },
Javier Martin186b2502012-07-26 05:53:35 -03002000};
2001
2002static struct platform_device_id coda_platform_ids[] = {
2003 { .name = "coda-imx27", .driver_data = CODA_IMX27 },
Fabio Estevam4e44cd02012-10-10 00:07:38 -03002004 { .name = "coda-imx53", .driver_data = CODA_IMX53 },
Javier Martin186b2502012-07-26 05:53:35 -03002005 { /* sentinel */ }
2006};
2007MODULE_DEVICE_TABLE(platform, coda_platform_ids);
2008
2009#ifdef CONFIG_OF
2010static const struct of_device_id coda_dt_ids[] = {
Alexander Shiyan7b0dd9e2013-06-15 08:09:57 -03002011 { .compatible = "fsl,imx27-vpu", .data = &coda_devdata[CODA_IMX27] },
Philipp Zabeldf1e74c2012-07-02 06:07:10 -03002012 { .compatible = "fsl,imx53-vpu", .data = &coda_devdata[CODA_IMX53] },
Philipp Zabel89548442014-07-11 06:36:17 -03002013 { .compatible = "fsl,imx6q-vpu", .data = &coda_devdata[CODA_IMX6Q] },
2014 { .compatible = "fsl,imx6dl-vpu", .data = &coda_devdata[CODA_IMX6DL] },
Javier Martin186b2502012-07-26 05:53:35 -03002015 { /* sentinel */ }
2016};
2017MODULE_DEVICE_TABLE(of, coda_dt_ids);
2018#endif
2019
Greg Kroah-Hartman4c62e972012-12-21 13:17:53 -08002020static int coda_probe(struct platform_device *pdev)
Javier Martin186b2502012-07-26 05:53:35 -03002021{
2022 const struct of_device_id *of_id =
2023 of_match_device(of_match_ptr(coda_dt_ids), &pdev->dev);
2024 const struct platform_device_id *pdev_id;
Philipp Zabel657eee72013-04-29 16:17:14 -07002025 struct coda_platform_data *pdata = pdev->dev.platform_data;
2026 struct device_node *np = pdev->dev.of_node;
2027 struct gen_pool *pool;
Javier Martin186b2502012-07-26 05:53:35 -03002028 struct coda_dev *dev;
2029 struct resource *res;
2030 int ret, irq;
2031
Philipp Zabelf23797b2014-08-06 08:02:23 -03002032 dev = devm_kzalloc(&pdev->dev, sizeof(*dev), GFP_KERNEL);
Philipp Zabel6da999d2014-09-29 09:53:43 -03002033 if (!dev)
Javier Martin186b2502012-07-26 05:53:35 -03002034 return -ENOMEM;
Javier Martin186b2502012-07-26 05:53:35 -03002035
Philipp Zabelb2f91ae2014-10-02 14:08:27 -03002036 pdev_id = of_id ? of_id->data : platform_get_device_id(pdev);
2037
Fabio Estevamb7bd6602014-10-04 16:40:50 -03002038 if (of_id) {
Philipp Zabelb2f91ae2014-10-02 14:08:27 -03002039 dev->devtype = of_id->data;
Fabio Estevamb7bd6602014-10-04 16:40:50 -03002040 } else if (pdev_id) {
Philipp Zabelb2f91ae2014-10-02 14:08:27 -03002041 dev->devtype = &coda_devdata[pdev_id->driver_data];
Fabio Estevamb7bd6602014-10-04 16:40:50 -03002042 } else {
2043 ret = -EINVAL;
2044 goto err_v4l2_register;
2045 }
Philipp Zabelb2f91ae2014-10-02 14:08:27 -03002046
Javier Martin186b2502012-07-26 05:53:35 -03002047 spin_lock_init(&dev->irqlock);
Philipp Zabele11f3e62012-07-25 09:16:58 -03002048 INIT_LIST_HEAD(&dev->instances);
Javier Martin186b2502012-07-26 05:53:35 -03002049
2050 dev->plat_dev = pdev;
2051 dev->clk_per = devm_clk_get(&pdev->dev, "per");
2052 if (IS_ERR(dev->clk_per)) {
2053 dev_err(&pdev->dev, "Could not get per clock\n");
2054 return PTR_ERR(dev->clk_per);
2055 }
2056
2057 dev->clk_ahb = devm_clk_get(&pdev->dev, "ahb");
2058 if (IS_ERR(dev->clk_ahb)) {
2059 dev_err(&pdev->dev, "Could not get ahb clock\n");
2060 return PTR_ERR(dev->clk_ahb);
2061 }
2062
2063 /* Get memory for physical registers */
2064 res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
Philipp Zabel611cbbf2013-05-21 04:19:27 -03002065 dev->regs_base = devm_ioremap_resource(&pdev->dev, res);
2066 if (IS_ERR(dev->regs_base))
2067 return PTR_ERR(dev->regs_base);
Javier Martin186b2502012-07-26 05:53:35 -03002068
2069 /* IRQ */
Philipp Zabel540b72e2014-08-05 14:00:09 -03002070 irq = platform_get_irq_byname(pdev, "bit");
2071 if (irq < 0)
2072 irq = platform_get_irq(pdev, 0);
Javier Martin186b2502012-07-26 05:53:35 -03002073 if (irq < 0) {
2074 dev_err(&pdev->dev, "failed to get irq resource\n");
Fabio Estevam7d377432014-06-04 15:46:23 -03002075 return irq;
Javier Martin186b2502012-07-26 05:53:35 -03002076 }
2077
Fabio Estevam08c8d142014-06-04 15:46:24 -03002078 ret = devm_request_threaded_irq(&pdev->dev, irq, NULL, coda_irq_handler,
2079 IRQF_ONESHOT, dev_name(&pdev->dev), dev);
2080 if (ret < 0) {
2081 dev_err(&pdev->dev, "failed to request irq: %d\n", ret);
2082 return ret;
Javier Martin186b2502012-07-26 05:53:35 -03002083 }
2084
Philipp Zabelee27aa92014-07-24 16:50:03 -03002085 dev->rstc = devm_reset_control_get_optional(&pdev->dev, NULL);
Philipp Zabel8f452842014-07-11 06:36:35 -03002086 if (IS_ERR(dev->rstc)) {
2087 ret = PTR_ERR(dev->rstc);
Philipp Zabelee27aa92014-07-24 16:50:03 -03002088 if (ret == -ENOENT || ret == -ENOSYS) {
Philipp Zabel8f452842014-07-11 06:36:35 -03002089 dev->rstc = NULL;
2090 } else {
Philipp Zabelf23797b2014-08-06 08:02:23 -03002091 dev_err(&pdev->dev, "failed get reset control: %d\n",
2092 ret);
Philipp Zabel8f452842014-07-11 06:36:35 -03002093 return ret;
2094 }
2095 }
2096
Philipp Zabel657eee72013-04-29 16:17:14 -07002097 /* Get IRAM pool from device tree or platform data */
2098 pool = of_get_named_gen_pool(np, "iram", 0);
2099 if (!pool && pdata)
2100 pool = dev_get_gen_pool(pdata->iram_dev);
2101 if (!pool) {
2102 dev_err(&pdev->dev, "iram pool not available\n");
2103 return -ENOMEM;
2104 }
2105 dev->iram_pool = pool;
2106
Javier Martin186b2502012-07-26 05:53:35 -03002107 ret = v4l2_device_register(&pdev->dev, &dev->v4l2_dev);
2108 if (ret)
2109 return ret;
2110
2111 mutex_init(&dev->dev_mutex);
Philipp Zabelfcb62822013-05-23 10:43:00 -03002112 mutex_init(&dev->coda_mutex);
Javier Martin186b2502012-07-26 05:53:35 -03002113
Philipp Zabelf61c0b12014-07-11 06:36:40 -03002114 dev->debugfs_root = debugfs_create_dir("coda", NULL);
2115 if (!dev->debugfs_root)
2116 dev_warn(&pdev->dev, "failed to create debugfs root\n");
2117
Javier Martin186b2502012-07-26 05:53:35 -03002118 /* allocate auxiliary per-device buffers for the BIT processor */
Philipp Zabel5d73fad2014-07-11 06:36:42 -03002119 if (dev->devtype->product == CODA_DX6) {
Philipp Zabel5677e3b2013-06-21 03:55:30 -03002120 ret = coda_alloc_aux_buf(dev, &dev->workbuf,
Philipp Zabele5b0d1c2014-07-11 06:36:41 -03002121 dev->devtype->workbuf_size, "workbuf",
Philipp Zabelf61c0b12014-07-11 06:36:40 -03002122 dev->debugfs_root);
Philipp Zabel5677e3b2013-06-21 03:55:30 -03002123 if (ret < 0) {
2124 dev_err(&pdev->dev, "failed to allocate work buffer\n");
Fabio Estevamb7bd6602014-10-04 16:40:50 -03002125 goto err_v4l2_register;
Philipp Zabel5677e3b2013-06-21 03:55:30 -03002126 }
Javier Martin186b2502012-07-26 05:53:35 -03002127 }
Philipp Zabel5d73fad2014-07-11 06:36:42 -03002128
2129 if (dev->devtype->tempbuf_size) {
Philipp Zabel5677e3b2013-06-21 03:55:30 -03002130 ret = coda_alloc_aux_buf(dev, &dev->tempbuf,
Philipp Zabel5d73fad2014-07-11 06:36:42 -03002131 dev->devtype->tempbuf_size, "tempbuf",
Philipp Zabelf61c0b12014-07-11 06:36:40 -03002132 dev->debugfs_root);
Philipp Zabel5677e3b2013-06-21 03:55:30 -03002133 if (ret < 0) {
2134 dev_err(&pdev->dev, "failed to allocate temp buffer\n");
Fabio Estevamb7bd6602014-10-04 16:40:50 -03002135 goto err_v4l2_register;
Philipp Zabel5677e3b2013-06-21 03:55:30 -03002136 }
Javier Martin186b2502012-07-26 05:53:35 -03002137 }
2138
Philipp Zabel401e9722014-07-11 06:36:43 -03002139 dev->iram.size = dev->devtype->iram_size;
Philipp Zabelb313bcc2014-07-11 06:36:16 -03002140 dev->iram.vaddr = gen_pool_dma_alloc(dev->iram_pool, dev->iram.size,
2141 &dev->iram.paddr);
2142 if (!dev->iram.vaddr) {
Philipp Zabel8be31c82014-08-05 14:00:13 -03002143 dev_warn(&pdev->dev, "unable to alloc iram\n");
2144 } else {
2145 dev->iram.blob.data = dev->iram.vaddr;
2146 dev->iram.blob.size = dev->iram.size;
2147 dev->iram.dentry = debugfs_create_blob("iram", 0644,
2148 dev->debugfs_root,
2149 &dev->iram.blob);
Philipp Zabel10436672012-07-02 09:03:55 -03002150 }
2151
Philipp Zabel32b6f202014-07-11 06:36:20 -03002152 dev->workqueue = alloc_workqueue("coda", WQ_UNBOUND | WQ_MEM_RECLAIM, 1);
2153 if (!dev->workqueue) {
2154 dev_err(&pdev->dev, "unable to alloc workqueue\n");
Fabio Estevam74d08d52014-10-04 16:40:51 -03002155 ret = -ENOMEM;
2156 goto err_v4l2_register;
Philipp Zabel32b6f202014-07-11 06:36:20 -03002157 }
2158
Javier Martin186b2502012-07-26 05:53:35 -03002159 platform_set_drvdata(pdev, dev);
2160
Ulf Hanssonc5d28e22014-09-22 13:05:56 -03002161 /*
2162 * Start activated so we can directly call coda_hw_init in
2163 * coda_fw_callback regardless of whether CONFIG_PM_RUNTIME is
2164 * enabled or whether the device is associated with a PM domain.
2165 */
2166 pm_runtime_get_noresume(&pdev->dev);
2167 pm_runtime_set_active(&pdev->dev);
Philipp Zabel1e172732014-07-11 06:36:23 -03002168 pm_runtime_enable(&pdev->dev);
2169
Javier Martin186b2502012-07-26 05:53:35 -03002170 return coda_firmware_request(dev);
Fabio Estevamb7bd6602014-10-04 16:40:50 -03002171
2172err_v4l2_register:
2173 v4l2_device_unregister(&dev->v4l2_dev);
2174 return ret;
Javier Martin186b2502012-07-26 05:53:35 -03002175}
2176
2177static int coda_remove(struct platform_device *pdev)
2178{
2179 struct coda_dev *dev = platform_get_drvdata(pdev);
Philipp Zabel2c11d1b2014-10-02 14:08:28 -03002180 int i;
Javier Martin186b2502012-07-26 05:53:35 -03002181
Philipp Zabel2c11d1b2014-10-02 14:08:28 -03002182 for (i = 0; i < ARRAY_SIZE(dev->vfd); i++) {
2183 if (video_get_drvdata(&dev->vfd[i]))
2184 video_unregister_device(&dev->vfd[i]);
2185 }
Javier Martin186b2502012-07-26 05:53:35 -03002186 if (dev->m2m_dev)
2187 v4l2_m2m_release(dev->m2m_dev);
Philipp Zabel1e172732014-07-11 06:36:23 -03002188 pm_runtime_disable(&pdev->dev);
Javier Martin186b2502012-07-26 05:53:35 -03002189 if (dev->alloc_ctx)
2190 vb2_dma_contig_cleanup_ctx(dev->alloc_ctx);
2191 v4l2_device_unregister(&dev->v4l2_dev);
Philipp Zabel32b6f202014-07-11 06:36:20 -03002192 destroy_workqueue(dev->workqueue);
Philipp Zabelb313bcc2014-07-11 06:36:16 -03002193 if (dev->iram.vaddr)
2194 gen_pool_free(dev->iram_pool, (unsigned long)dev->iram.vaddr,
2195 dev->iram.size);
Philipp Zabel5677e3b2013-06-21 03:55:30 -03002196 coda_free_aux_buf(dev, &dev->codebuf);
2197 coda_free_aux_buf(dev, &dev->tempbuf);
2198 coda_free_aux_buf(dev, &dev->workbuf);
Philipp Zabelf61c0b12014-07-11 06:36:40 -03002199 debugfs_remove_recursive(dev->debugfs_root);
Javier Martin186b2502012-07-26 05:53:35 -03002200 return 0;
2201}
2202
Philipp Zabel1e172732014-07-11 06:36:23 -03002203#ifdef CONFIG_PM_RUNTIME
2204static int coda_runtime_resume(struct device *dev)
2205{
2206 struct coda_dev *cdev = dev_get_drvdata(dev);
2207 int ret = 0;
2208
Philipp Zabel65919e62014-07-18 07:22:36 -03002209 if (dev->pm_domain && cdev->codebuf.vaddr) {
Philipp Zabel1e172732014-07-11 06:36:23 -03002210 ret = coda_hw_init(cdev);
2211 if (ret)
2212 v4l2_err(&cdev->v4l2_dev, "HW initialization failed\n");
2213 }
2214
2215 return ret;
2216}
2217#endif
2218
2219static const struct dev_pm_ops coda_pm_ops = {
2220 SET_RUNTIME_PM_OPS(NULL, coda_runtime_resume, NULL)
2221};
2222
Javier Martin186b2502012-07-26 05:53:35 -03002223static struct platform_driver coda_driver = {
2224 .probe = coda_probe,
Greg Kroah-Hartman4c62e972012-12-21 13:17:53 -08002225 .remove = coda_remove,
Javier Martin186b2502012-07-26 05:53:35 -03002226 .driver = {
2227 .name = CODA_NAME,
2228 .owner = THIS_MODULE,
2229 .of_match_table = of_match_ptr(coda_dt_ids),
Philipp Zabel1e172732014-07-11 06:36:23 -03002230 .pm = &coda_pm_ops,
Javier Martin186b2502012-07-26 05:53:35 -03002231 },
2232 .id_table = coda_platform_ids,
2233};
2234
2235module_platform_driver(coda_driver);
2236
2237MODULE_LICENSE("GPL");
2238MODULE_AUTHOR("Javier Martin <javier.martin@vista-silicon.com>");
2239MODULE_DESCRIPTION("Coda multi-standard codec V4L2 driver");