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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>
Philipp Zabelbb04aa62015-01-23 13:51:30 -030040#include <media/videobuf2-vmalloc.h>
Javier Martin186b2502012-07-26 05:53:35 -030041
Philipp Zabela2b3e462014-07-23 12:28:39 -030042#include "coda.h"
Javier Martin186b2502012-07-26 05:53:35 -030043
44#define CODA_NAME "coda"
45
Philipp Zabel0cddc7e2013-09-30 10:34:44 -030046#define CODADX6_MAX_INSTANCES 4
Philipp Zabel2c11d1b2014-10-02 14:08:28 -030047#define CODA_MAX_FORMATS 4
Javier Martin186b2502012-07-26 05:53:35 -030048
Javier Martin186b2502012-07-26 05:53:35 -030049#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
Philipp Zabela2b3e462014-07-23 12:28:39 -030064void coda_write(struct coda_dev *dev, u32 data, u32 reg)
Javier Martin186b2502012-07-26 05:53:35 -030065{
Philipp Zabeld60b18b2014-08-05 14:00:15 -030066 v4l2_dbg(2, coda_debug, &dev->v4l2_dev,
Javier Martin186b2502012-07-26 05:53:35 -030067 "%s: data=0x%x, reg=0x%x\n", __func__, data, reg);
68 writel(data, dev->regs_base + reg);
69}
70
Philipp Zabela2b3e462014-07-23 12:28:39 -030071unsigned int coda_read(struct coda_dev *dev, u32 reg)
Javier Martin186b2502012-07-26 05:53:35 -030072{
73 u32 data;
Philipp Zabelf23797b2014-08-06 08:02:23 -030074
Javier Martin186b2502012-07-26 05:53:35 -030075 data = readl(dev->regs_base + reg);
Philipp Zabeld60b18b2014-08-05 14:00:15 -030076 v4l2_dbg(2, coda_debug, &dev->v4l2_dev,
Javier Martin186b2502012-07-26 05:53:35 -030077 "%s: data=0x%x, reg=0x%x\n", __func__, data, reg);
78 return data;
79}
80
Philipp Zabel856d7d92014-09-29 09:53:44 -030081void coda_write_base(struct coda_ctx *ctx, struct coda_q_data *q_data,
82 struct vb2_buffer *buf, unsigned int reg_y)
83{
84 u32 base_y = vb2_dma_contig_plane_dma_addr(buf, 0);
85 u32 base_cb, base_cr;
86
87 switch (q_data->fourcc) {
88 case V4L2_PIX_FMT_YVU420:
89 /* Switch Cb and Cr for YVU420 format */
90 base_cr = base_y + q_data->bytesperline * q_data->height;
91 base_cb = base_cr + q_data->bytesperline * q_data->height / 4;
92 break;
93 case V4L2_PIX_FMT_YUV420:
Philipp Zabel1cb12cf2014-09-29 09:53:47 -030094 case V4L2_PIX_FMT_NV12:
Philipp Zabel856d7d92014-09-29 09:53:44 -030095 default:
96 base_cb = base_y + q_data->bytesperline * q_data->height;
97 base_cr = base_cb + q_data->bytesperline * q_data->height / 4;
98 break;
Philipp Zabel4de69312014-10-02 14:08:26 -030099 case V4L2_PIX_FMT_YUV422P:
100 base_cb = base_y + q_data->bytesperline * q_data->height;
101 base_cr = base_cb + q_data->bytesperline * q_data->height / 2;
Philipp Zabel856d7d92014-09-29 09:53:44 -0300102 }
103
104 coda_write(ctx->dev, base_y, reg_y);
105 coda_write(ctx->dev, base_cb, reg_y + 4);
106 coda_write(ctx->dev, base_cr, reg_y + 8);
107}
108
Philipp Zabelb96904e2013-05-23 10:42:58 -0300109#define CODA_CODEC(mode, src_fourcc, dst_fourcc, max_w, max_h) \
110 { mode, src_fourcc, dst_fourcc, max_w, max_h }
111
112/*
113 * Arrays of codecs supported by each given version of Coda:
114 * i.MX27 -> codadx6
115 * i.MX5x -> coda7
116 * i.MX6 -> coda960
117 * Use V4L2_PIX_FMT_YUV420 as placeholder for all supported YUV 4:2:0 variants
118 */
Philipp Zabel814c3762014-07-18 07:22:45 -0300119static const struct coda_codec codadx6_codecs[] = {
Philipp Zabelb96904e2013-05-23 10:42:58 -0300120 CODA_CODEC(CODADX6_MODE_ENCODE_H264, V4L2_PIX_FMT_YUV420, V4L2_PIX_FMT_H264, 720, 576),
121 CODA_CODEC(CODADX6_MODE_ENCODE_MP4, V4L2_PIX_FMT_YUV420, V4L2_PIX_FMT_MPEG4, 720, 576),
Philipp Zabeldf1e74c2012-07-02 06:07:10 -0300122};
123
Philipp Zabel814c3762014-07-18 07:22:45 -0300124static const struct coda_codec coda7_codecs[] = {
Philipp Zabelb96904e2013-05-23 10:42:58 -0300125 CODA_CODEC(CODA7_MODE_ENCODE_H264, V4L2_PIX_FMT_YUV420, V4L2_PIX_FMT_H264, 1280, 720),
126 CODA_CODEC(CODA7_MODE_ENCODE_MP4, V4L2_PIX_FMT_YUV420, V4L2_PIX_FMT_MPEG4, 1280, 720),
Philipp Zabelcb1d3a32014-10-02 14:08:31 -0300127 CODA_CODEC(CODA7_MODE_ENCODE_MJPG, V4L2_PIX_FMT_YUV420, V4L2_PIX_FMT_JPEG, 8192, 8192),
Philipp Zabelb0ed05b2014-08-05 14:00:14 -0300128 CODA_CODEC(CODA7_MODE_DECODE_H264, V4L2_PIX_FMT_H264, V4L2_PIX_FMT_YUV420, 1920, 1088),
129 CODA_CODEC(CODA7_MODE_DECODE_MP4, V4L2_PIX_FMT_MPEG4, V4L2_PIX_FMT_YUV420, 1920, 1088),
Philipp Zabelcb1d3a32014-10-02 14:08:31 -0300130 CODA_CODEC(CODA7_MODE_DECODE_MJPG, V4L2_PIX_FMT_JPEG, V4L2_PIX_FMT_YUV420, 8192, 8192),
Philipp Zabelb96904e2013-05-23 10:42:58 -0300131};
132
Philipp Zabel814c3762014-07-18 07:22:45 -0300133static const struct coda_codec coda9_codecs[] = {
Philipp Zabelb0ed05b2014-08-05 14:00:14 -0300134 CODA_CODEC(CODA9_MODE_ENCODE_H264, V4L2_PIX_FMT_YUV420, V4L2_PIX_FMT_H264, 1920, 1088),
135 CODA_CODEC(CODA9_MODE_ENCODE_MP4, V4L2_PIX_FMT_YUV420, V4L2_PIX_FMT_MPEG4, 1920, 1088),
136 CODA_CODEC(CODA9_MODE_DECODE_H264, V4L2_PIX_FMT_H264, V4L2_PIX_FMT_YUV420, 1920, 1088),
137 CODA_CODEC(CODA9_MODE_DECODE_MP4, V4L2_PIX_FMT_MPEG4, V4L2_PIX_FMT_YUV420, 1920, 1088),
Philipp Zabel89548442014-07-11 06:36:17 -0300138};
139
Philipp Zabel2c11d1b2014-10-02 14:08:28 -0300140struct coda_video_device {
141 const char *name;
142 enum coda_inst_type type;
143 const struct coda_context_ops *ops;
Philipp Zabela22496c2015-01-23 13:51:33 -0300144 bool direct;
Philipp Zabel2c11d1b2014-10-02 14:08:28 -0300145 u32 src_formats[CODA_MAX_FORMATS];
146 u32 dst_formats[CODA_MAX_FORMATS];
147};
148
149static const struct coda_video_device coda_bit_encoder = {
150 .name = "coda-encoder",
151 .type = CODA_INST_ENCODER,
152 .ops = &coda_bit_encode_ops,
153 .src_formats = {
154 V4L2_PIX_FMT_YUV420,
155 V4L2_PIX_FMT_YVU420,
156 V4L2_PIX_FMT_NV12,
157 },
158 .dst_formats = {
159 V4L2_PIX_FMT_H264,
160 V4L2_PIX_FMT_MPEG4,
161 },
162};
163
Philipp Zabelcb1d3a32014-10-02 14:08:31 -0300164static const struct coda_video_device coda_bit_jpeg_encoder = {
165 .name = "coda-jpeg-encoder",
166 .type = CODA_INST_ENCODER,
167 .ops = &coda_bit_encode_ops,
168 .src_formats = {
169 V4L2_PIX_FMT_YUV420,
170 V4L2_PIX_FMT_YVU420,
171 V4L2_PIX_FMT_NV12,
172 V4L2_PIX_FMT_YUV422P,
173 },
174 .dst_formats = {
175 V4L2_PIX_FMT_JPEG,
176 },
177};
178
Philipp Zabel2c11d1b2014-10-02 14:08:28 -0300179static const struct coda_video_device coda_bit_decoder = {
180 .name = "coda-decoder",
181 .type = CODA_INST_DECODER,
182 .ops = &coda_bit_decode_ops,
183 .src_formats = {
184 V4L2_PIX_FMT_H264,
185 V4L2_PIX_FMT_MPEG4,
186 },
187 .dst_formats = {
188 V4L2_PIX_FMT_YUV420,
189 V4L2_PIX_FMT_YVU420,
190 V4L2_PIX_FMT_NV12,
191 },
192};
193
Philipp Zabelcb1d3a32014-10-02 14:08:31 -0300194static const struct coda_video_device coda_bit_jpeg_decoder = {
195 .name = "coda-jpeg-decoder",
196 .type = CODA_INST_DECODER,
197 .ops = &coda_bit_decode_ops,
198 .src_formats = {
199 V4L2_PIX_FMT_JPEG,
200 },
201 .dst_formats = {
202 V4L2_PIX_FMT_YUV420,
203 V4L2_PIX_FMT_YVU420,
204 V4L2_PIX_FMT_NV12,
205 V4L2_PIX_FMT_YUV422P,
206 },
207};
208
Philipp Zabel2c11d1b2014-10-02 14:08:28 -0300209static const struct coda_video_device *codadx6_video_devices[] = {
210 &coda_bit_encoder,
211};
212
213static const struct coda_video_device *coda7_video_devices[] = {
Philipp Zabelcb1d3a32014-10-02 14:08:31 -0300214 &coda_bit_jpeg_encoder,
215 &coda_bit_jpeg_decoder,
Philipp Zabel2c11d1b2014-10-02 14:08:28 -0300216 &coda_bit_encoder,
217 &coda_bit_decoder,
218};
219
220static const struct coda_video_device *coda9_video_devices[] = {
221 &coda_bit_encoder,
222 &coda_bit_decoder,
223};
224
Philipp Zabelb96904e2013-05-23 10:42:58 -0300225/*
226 * Normalize all supported YUV 4:2:0 formats to the value used in the codec
227 * tables.
228 */
229static u32 coda_format_normalize_yuv(u32 fourcc)
230{
Philipp Zabel8076c7e2015-07-09 07:10:18 -0300231 switch (fourcc) {
232 case V4L2_PIX_FMT_YUV420:
233 case V4L2_PIX_FMT_YVU420:
234 case V4L2_PIX_FMT_NV12:
235 case V4L2_PIX_FMT_YUV422P:
236 return V4L2_PIX_FMT_YUV420;
237 default:
238 return fourcc;
239 }
Philipp Zabelb96904e2013-05-23 10:42:58 -0300240}
241
Philipp Zabel814c3762014-07-18 07:22:45 -0300242static const struct coda_codec *coda_find_codec(struct coda_dev *dev,
243 int src_fourcc, int dst_fourcc)
Philipp Zabelb96904e2013-05-23 10:42:58 -0300244{
Philipp Zabel814c3762014-07-18 07:22:45 -0300245 const struct coda_codec *codecs = dev->devtype->codecs;
Philipp Zabelb96904e2013-05-23 10:42:58 -0300246 int num_codecs = dev->devtype->num_codecs;
247 int k;
248
249 src_fourcc = coda_format_normalize_yuv(src_fourcc);
250 dst_fourcc = coda_format_normalize_yuv(dst_fourcc);
251 if (src_fourcc == dst_fourcc)
252 return NULL;
253
254 for (k = 0; k < num_codecs; k++) {
255 if (codecs[k].src_fourcc == src_fourcc &&
256 codecs[k].dst_fourcc == dst_fourcc)
Javier Martin186b2502012-07-26 05:53:35 -0300257 break;
258 }
259
Philipp Zabelb96904e2013-05-23 10:42:58 -0300260 if (k == num_codecs)
Javier Martin186b2502012-07-26 05:53:35 -0300261 return NULL;
262
Philipp Zabelb96904e2013-05-23 10:42:58 -0300263 return &codecs[k];
Javier Martin186b2502012-07-26 05:53:35 -0300264}
265
Philipp Zabel57625592013-09-30 10:34:51 -0300266static void coda_get_max_dimensions(struct coda_dev *dev,
Philipp Zabel814c3762014-07-18 07:22:45 -0300267 const struct coda_codec *codec,
Philipp Zabel57625592013-09-30 10:34:51 -0300268 int *max_w, int *max_h)
269{
Philipp Zabel814c3762014-07-18 07:22:45 -0300270 const struct coda_codec *codecs = dev->devtype->codecs;
Philipp Zabel57625592013-09-30 10:34:51 -0300271 int num_codecs = dev->devtype->num_codecs;
272 unsigned int w, h;
273 int k;
274
275 if (codec) {
276 w = codec->max_w;
277 h = codec->max_h;
278 } else {
279 for (k = 0, w = 0, h = 0; k < num_codecs; k++) {
280 w = max(w, codecs[k].max_w);
281 h = max(h, codecs[k].max_h);
282 }
283 }
284
285 if (max_w)
286 *max_w = w;
287 if (max_h)
288 *max_h = h;
289}
290
Philipp Zabel2c11d1b2014-10-02 14:08:28 -0300291const struct coda_video_device *to_coda_video_device(struct video_device *vdev)
292{
293 struct coda_dev *dev = video_get_drvdata(vdev);
294 unsigned int i = vdev - dev->vfd;
295
296 if (i >= dev->devtype->num_vdevs)
297 return NULL;
298
299 return dev->devtype->vdevs[i];
300}
301
Philipp Zabel79924ca2014-07-23 12:28:45 -0300302const char *coda_product_name(int product)
Philipp Zabel927933f2013-09-30 10:34:48 -0300303{
304 static char buf[9];
305
306 switch (product) {
307 case CODA_DX6:
308 return "CodaDx6";
309 case CODA_7541:
310 return "CODA7541";
Philipp Zabel89548442014-07-11 06:36:17 -0300311 case CODA_960:
312 return "CODA960";
Philipp Zabel927933f2013-09-30 10:34:48 -0300313 default:
314 snprintf(buf, sizeof(buf), "(0x%04x)", product);
315 return buf;
316 }
317}
318
Javier Martin186b2502012-07-26 05:53:35 -0300319/*
320 * V4L2 ioctl() operations.
321 */
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300322static int coda_querycap(struct file *file, void *priv,
323 struct v4l2_capability *cap)
Javier Martin186b2502012-07-26 05:53:35 -0300324{
Philipp Zabel927933f2013-09-30 10:34:48 -0300325 struct coda_ctx *ctx = fh_to_ctx(priv);
326
Javier Martin186b2502012-07-26 05:53:35 -0300327 strlcpy(cap->driver, CODA_NAME, sizeof(cap->driver));
Philipp Zabel927933f2013-09-30 10:34:48 -0300328 strlcpy(cap->card, coda_product_name(ctx->dev->devtype->product),
329 sizeof(cap->card));
Philipp Zabeldad0e1c2013-05-21 04:18:22 -0300330 strlcpy(cap->bus_info, "platform:" CODA_NAME, sizeof(cap->bus_info));
Philipp Zabel3898e7a2014-07-18 07:22:37 -0300331 cap->device_caps = V4L2_CAP_VIDEO_M2M | V4L2_CAP_STREAMING;
Javier Martin186b2502012-07-26 05:53:35 -0300332 cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS;
333
334 return 0;
335}
336
Philipp Zabel22e244b2014-07-18 07:22:43 -0300337static int coda_enum_fmt(struct file *file, void *priv,
338 struct v4l2_fmtdesc *f)
Javier Martin186b2502012-07-26 05:53:35 -0300339{
Philipp Zabel2c11d1b2014-10-02 14:08:28 -0300340 struct video_device *vdev = video_devdata(file);
341 const struct coda_video_device *cvd = to_coda_video_device(vdev);
342 const u32 *formats;
Philipp Zabel22e244b2014-07-18 07:22:43 -0300343
Philipp Zabel2c11d1b2014-10-02 14:08:28 -0300344 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT)
345 formats = cvd->src_formats;
346 else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE)
347 formats = cvd->dst_formats;
Philipp Zabel22e244b2014-07-18 07:22:43 -0300348 else
Philipp Zabel2c11d1b2014-10-02 14:08:28 -0300349 return -EINVAL;
Javier Martin186b2502012-07-26 05:53:35 -0300350
Philipp Zabel2c11d1b2014-10-02 14:08:28 -0300351 if (f->index >= CODA_MAX_FORMATS || formats[f->index] == 0)
352 return -EINVAL;
Javier Martin186b2502012-07-26 05:53:35 -0300353
Philipp Zabel2c11d1b2014-10-02 14:08:28 -0300354 f->pixelformat = formats[f->index];
Javier Martin186b2502012-07-26 05:53:35 -0300355
Philipp Zabel2c11d1b2014-10-02 14:08:28 -0300356 return 0;
Javier Martin186b2502012-07-26 05:53:35 -0300357}
358
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300359static int coda_g_fmt(struct file *file, void *priv,
360 struct v4l2_format *f)
Javier Martin186b2502012-07-26 05:53:35 -0300361{
Javier Martin186b2502012-07-26 05:53:35 -0300362 struct coda_q_data *q_data;
363 struct coda_ctx *ctx = fh_to_ctx(priv);
364
Javier Martin186b2502012-07-26 05:53:35 -0300365 q_data = get_q_data(ctx, f->type);
Philipp Zabelb9736292014-07-11 06:36:18 -0300366 if (!q_data)
367 return -EINVAL;
Javier Martin186b2502012-07-26 05:53:35 -0300368
369 f->fmt.pix.field = V4L2_FIELD_NONE;
Philipp Zabelb96904e2013-05-23 10:42:58 -0300370 f->fmt.pix.pixelformat = q_data->fourcc;
Javier Martin186b2502012-07-26 05:53:35 -0300371 f->fmt.pix.width = q_data->width;
372 f->fmt.pix.height = q_data->height;
Philipp Zabel2fd6a372014-07-11 06:36:36 -0300373 f->fmt.pix.bytesperline = q_data->bytesperline;
Javier Martin186b2502012-07-26 05:53:35 -0300374
375 f->fmt.pix.sizeimage = q_data->sizeimage;
Philipp Zabelcb1d3a32014-10-02 14:08:31 -0300376 if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_JPEG)
377 f->fmt.pix.colorspace = V4L2_COLORSPACE_JPEG;
378 else
379 f->fmt.pix.colorspace = ctx->colorspace;
Javier Martin186b2502012-07-26 05:53:35 -0300380
381 return 0;
382}
383
Philipp Zabel2c11d1b2014-10-02 14:08:28 -0300384static int coda_try_pixelformat(struct coda_ctx *ctx, struct v4l2_format *f)
385{
386 struct coda_q_data *q_data;
387 const u32 *formats;
388 int i;
389
390 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT)
391 formats = ctx->cvd->src_formats;
392 else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE)
393 formats = ctx->cvd->dst_formats;
394 else
395 return -EINVAL;
396
397 for (i = 0; i < CODA_MAX_FORMATS; i++) {
398 if (formats[i] == f->fmt.pix.pixelformat) {
399 f->fmt.pix.pixelformat = formats[i];
400 return 0;
401 }
402 }
403
404 /* Fall back to currently set pixelformat */
405 q_data = get_q_data(ctx, f->type);
406 f->fmt.pix.pixelformat = q_data->fourcc;
Javier Martin186b2502012-07-26 05:53:35 -0300407
408 return 0;
409}
410
Philipp Zabel8e428d52015-01-23 13:51:29 -0300411static unsigned int coda_estimate_sizeimage(struct coda_ctx *ctx, u32 sizeimage,
412 u32 width, u32 height)
413{
414 /*
415 * This is a rough estimate for sensible compressed buffer
416 * sizes (between 1 and 16 bits per pixel). This could be
417 * improved by better format specific worst case estimates.
418 */
419 return round_up(clamp(sizeimage, width * height / 8,
420 width * height * 2), PAGE_SIZE);
421}
422
Philipp Zabel814c3762014-07-18 07:22:45 -0300423static int coda_try_fmt(struct coda_ctx *ctx, const struct coda_codec *codec,
Philipp Zabel57625592013-09-30 10:34:51 -0300424 struct v4l2_format *f)
Javier Martin186b2502012-07-26 05:53:35 -0300425{
Philipp Zabel57625592013-09-30 10:34:51 -0300426 struct coda_dev *dev = ctx->dev;
Philipp Zabelb96904e2013-05-23 10:42:58 -0300427 unsigned int max_w, max_h;
Javier Martin186b2502012-07-26 05:53:35 -0300428 enum v4l2_field field;
429
430 field = f->fmt.pix.field;
431 if (field == V4L2_FIELD_ANY)
432 field = V4L2_FIELD_NONE;
433 else if (V4L2_FIELD_NONE != field)
434 return -EINVAL;
435
436 /* V4L2 specification suggests the driver corrects the format struct
437 * if any of the dimensions is unsupported */
438 f->fmt.pix.field = field;
439
Philipp Zabel57625592013-09-30 10:34:51 -0300440 coda_get_max_dimensions(dev, codec, &max_w, &max_h);
441 v4l_bound_align_image(&f->fmt.pix.width, MIN_W, max_w, W_ALIGN,
442 &f->fmt.pix.height, MIN_H, max_h, H_ALIGN,
443 S_ALIGN);
Philipp Zabelb96904e2013-05-23 10:42:58 -0300444
Philipp Zabel57625592013-09-30 10:34:51 -0300445 switch (f->fmt.pix.pixelformat) {
446 case V4L2_PIX_FMT_YUV420:
447 case V4L2_PIX_FMT_YVU420:
Philipp Zabel1cb12cf2014-09-29 09:53:47 -0300448 case V4L2_PIX_FMT_NV12:
Philipp Zabelcb1d3a32014-10-02 14:08:31 -0300449 /*
450 * Frame stride must be at least multiple of 8,
451 * but multiple of 16 for h.264 or JPEG 4:2:x
452 */
Philipp Zabel451dfe52014-07-11 06:36:39 -0300453 f->fmt.pix.bytesperline = round_up(f->fmt.pix.width, 16);
Philipp Zabel47cf0c62013-05-23 10:42:54 -0300454 f->fmt.pix.sizeimage = f->fmt.pix.bytesperline *
Philipp Zabel451d43a2012-07-26 09:18:27 -0300455 f->fmt.pix.height * 3 / 2;
Philipp Zabel57625592013-09-30 10:34:51 -0300456 break;
Philipp Zabel4de69312014-10-02 14:08:26 -0300457 case V4L2_PIX_FMT_YUV422P:
458 f->fmt.pix.bytesperline = round_up(f->fmt.pix.width, 16);
459 f->fmt.pix.sizeimage = f->fmt.pix.bytesperline *
460 f->fmt.pix.height * 2;
461 break;
Philipp Zabelcb1d3a32014-10-02 14:08:31 -0300462 case V4L2_PIX_FMT_JPEG:
463 f->fmt.pix.colorspace = V4L2_COLORSPACE_JPEG;
464 /* fallthrough */
Philipp Zabel57625592013-09-30 10:34:51 -0300465 case V4L2_PIX_FMT_H264:
466 case V4L2_PIX_FMT_MPEG4:
Javier Martin186b2502012-07-26 05:53:35 -0300467 f->fmt.pix.bytesperline = 0;
Philipp Zabel8e428d52015-01-23 13:51:29 -0300468 f->fmt.pix.sizeimage = coda_estimate_sizeimage(ctx,
469 f->fmt.pix.sizeimage,
470 f->fmt.pix.width,
471 f->fmt.pix.height);
Philipp Zabel57625592013-09-30 10:34:51 -0300472 break;
473 default:
474 BUG();
Javier Martin186b2502012-07-26 05:53:35 -0300475 }
476
477 return 0;
478}
479
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300480static int coda_try_fmt_vid_cap(struct file *file, void *priv,
481 struct v4l2_format *f)
Javier Martin186b2502012-07-26 05:53:35 -0300482{
Javier Martin186b2502012-07-26 05:53:35 -0300483 struct coda_ctx *ctx = fh_to_ctx(priv);
Philipp Zabel2c11d1b2014-10-02 14:08:28 -0300484 const struct coda_q_data *q_data_src;
485 const struct coda_codec *codec;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300486 struct vb2_queue *src_vq;
487 int ret;
Javier Martin186b2502012-07-26 05:53:35 -0300488
Philipp Zabel2c11d1b2014-10-02 14:08:28 -0300489 ret = coda_try_pixelformat(ctx, f);
490 if (ret < 0)
491 return ret;
492
493 q_data_src = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
494
Philipp Zabel918c66f2013-06-27 06:59:01 -0300495 /*
Philipp Zabel2c11d1b2014-10-02 14:08:28 -0300496 * If the source format is already fixed, only allow the same output
497 * resolution
Philipp Zabel918c66f2013-06-27 06:59:01 -0300498 */
Philipp Zabel14604e32014-07-11 06:36:22 -0300499 src_vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300500 if (vb2_is_streaming(src_vq)) {
Philipp Zabel91b5841e2014-07-18 07:22:41 -0300501 f->fmt.pix.width = q_data_src->width;
502 f->fmt.pix.height = q_data_src->height;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300503 }
Javier Martin186b2502012-07-26 05:53:35 -0300504
505 f->fmt.pix.colorspace = ctx->colorspace;
506
Philipp Zabel2c11d1b2014-10-02 14:08:28 -0300507 q_data_src = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
508 codec = coda_find_codec(ctx->dev, q_data_src->fourcc,
509 f->fmt.pix.pixelformat);
510 if (!codec)
511 return -EINVAL;
512
Philipp Zabel57625592013-09-30 10:34:51 -0300513 ret = coda_try_fmt(ctx, codec, f);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300514 if (ret < 0)
515 return ret;
516
517 /* The h.264 decoder only returns complete 16x16 macroblocks */
518 if (codec && codec->src_fourcc == V4L2_PIX_FMT_H264) {
Philipp Zabel1b0ed7b2014-07-11 06:36:37 -0300519 f->fmt.pix.width = f->fmt.pix.width;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300520 f->fmt.pix.height = round_up(f->fmt.pix.height, 16);
Philipp Zabel1b0ed7b2014-07-11 06:36:37 -0300521 f->fmt.pix.bytesperline = round_up(f->fmt.pix.width, 16);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300522 f->fmt.pix.sizeimage = f->fmt.pix.bytesperline *
523 f->fmt.pix.height * 3 / 2;
524 }
525
526 return 0;
Javier Martin186b2502012-07-26 05:53:35 -0300527}
528
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300529static int coda_try_fmt_vid_out(struct file *file, void *priv,
530 struct v4l2_format *f)
Javier Martin186b2502012-07-26 05:53:35 -0300531{
532 struct coda_ctx *ctx = fh_to_ctx(priv);
Philipp Zabel2c11d1b2014-10-02 14:08:28 -0300533 struct coda_dev *dev = ctx->dev;
534 const struct coda_q_data *q_data_dst;
535 const struct coda_codec *codec;
536 int ret;
Javier Martin186b2502012-07-26 05:53:35 -0300537
Philipp Zabel2c11d1b2014-10-02 14:08:28 -0300538 ret = coda_try_pixelformat(ctx, f);
539 if (ret < 0)
540 return ret;
Javier Martin186b2502012-07-26 05:53:35 -0300541
Philipp Zabel5f9826e2015-01-23 13:51:21 -0300542 switch (f->fmt.pix.colorspace) {
543 case V4L2_COLORSPACE_REC709:
544 case V4L2_COLORSPACE_JPEG:
545 break;
546 default:
Philipp Zabelcb1d3a32014-10-02 14:08:31 -0300547 if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_JPEG)
548 f->fmt.pix.colorspace = V4L2_COLORSPACE_JPEG;
549 else
550 f->fmt.pix.colorspace = V4L2_COLORSPACE_REC709;
Javier Martin186b2502012-07-26 05:53:35 -0300551 }
552
Philipp Zabel2c11d1b2014-10-02 14:08:28 -0300553 q_data_dst = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
554 codec = coda_find_codec(dev, f->fmt.pix.pixelformat, q_data_dst->fourcc);
Javier Martin186b2502012-07-26 05:53:35 -0300555
556 return coda_try_fmt(ctx, codec, f);
557}
558
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300559static int coda_s_fmt(struct coda_ctx *ctx, struct v4l2_format *f)
Javier Martin186b2502012-07-26 05:53:35 -0300560{
561 struct coda_q_data *q_data;
562 struct vb2_queue *vq;
Javier Martin186b2502012-07-26 05:53:35 -0300563
Philipp Zabel14604e32014-07-11 06:36:22 -0300564 vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, f->type);
Javier Martin186b2502012-07-26 05:53:35 -0300565 if (!vq)
566 return -EINVAL;
567
568 q_data = get_q_data(ctx, f->type);
569 if (!q_data)
570 return -EINVAL;
571
572 if (vb2_is_busy(vq)) {
573 v4l2_err(&ctx->dev->v4l2_dev, "%s queue busy\n", __func__);
574 return -EBUSY;
575 }
576
Philipp Zabelb96904e2013-05-23 10:42:58 -0300577 q_data->fourcc = f->fmt.pix.pixelformat;
Javier Martin186b2502012-07-26 05:53:35 -0300578 q_data->width = f->fmt.pix.width;
579 q_data->height = f->fmt.pix.height;
Philipp Zabel2fd6a372014-07-11 06:36:36 -0300580 q_data->bytesperline = f->fmt.pix.bytesperline;
Philipp Zabel451d43a2012-07-26 09:18:27 -0300581 q_data->sizeimage = f->fmt.pix.sizeimage;
Philipp Zabel52c41672014-07-11 06:36:19 -0300582 q_data->rect.left = 0;
583 q_data->rect.top = 0;
584 q_data->rect.width = f->fmt.pix.width;
585 q_data->rect.height = f->fmt.pix.height;
Javier Martin186b2502012-07-26 05:53:35 -0300586
587 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
588 "Setting format for type %d, wxh: %dx%d, fmt: %d\n",
Philipp Zabelb96904e2013-05-23 10:42:58 -0300589 f->type, q_data->width, q_data->height, q_data->fourcc);
Javier Martin186b2502012-07-26 05:53:35 -0300590
591 return 0;
592}
593
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300594static int coda_s_fmt_vid_cap(struct file *file, void *priv,
595 struct v4l2_format *f)
Javier Martin186b2502012-07-26 05:53:35 -0300596{
Philipp Zabelb96904e2013-05-23 10:42:58 -0300597 struct coda_ctx *ctx = fh_to_ctx(priv);
Javier Martin186b2502012-07-26 05:53:35 -0300598 int ret;
599
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300600 ret = coda_try_fmt_vid_cap(file, priv, f);
Javier Martin186b2502012-07-26 05:53:35 -0300601 if (ret)
602 return ret;
603
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300604 return coda_s_fmt(ctx, f);
Javier Martin186b2502012-07-26 05:53:35 -0300605}
606
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300607static int coda_s_fmt_vid_out(struct file *file, void *priv,
608 struct v4l2_format *f)
Javier Martin186b2502012-07-26 05:53:35 -0300609{
610 struct coda_ctx *ctx = fh_to_ctx(priv);
Philipp Zabelf95a6ce2014-08-05 14:00:19 -0300611 struct v4l2_format f_cap;
Javier Martin186b2502012-07-26 05:53:35 -0300612 int ret;
613
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300614 ret = coda_try_fmt_vid_out(file, priv, f);
Javier Martin186b2502012-07-26 05:53:35 -0300615 if (ret)
616 return ret;
617
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300618 ret = coda_s_fmt(ctx, f);
Javier Martin186b2502012-07-26 05:53:35 -0300619 if (ret)
Philipp Zabel2dc546d2014-08-05 14:00:18 -0300620 return ret;
621
622 ctx->colorspace = f->fmt.pix.colorspace;
Javier Martin186b2502012-07-26 05:53:35 -0300623
Philipp Zabel1c2f6a92015-01-23 13:51:22 -0300624 memset(&f_cap, 0, sizeof(f_cap));
Philipp Zabelf95a6ce2014-08-05 14:00:19 -0300625 f_cap.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
626 coda_g_fmt(file, priv, &f_cap);
627 f_cap.fmt.pix.width = f->fmt.pix.width;
628 f_cap.fmt.pix.height = f->fmt.pix.height;
629
630 ret = coda_try_fmt_vid_cap(file, priv, &f_cap);
631 if (ret)
632 return ret;
633
634 return coda_s_fmt(ctx, &f_cap);
Javier Martin186b2502012-07-26 05:53:35 -0300635}
636
Philipp Zabel73751da2015-03-24 14:30:51 -0300637static int coda_reqbufs(struct file *file, void *priv,
638 struct v4l2_requestbuffers *rb)
639{
640 struct coda_ctx *ctx = fh_to_ctx(priv);
641 int ret;
642
643 ret = v4l2_m2m_reqbufs(file, ctx->fh.m2m_ctx, rb);
644 if (ret)
645 return ret;
646
647 /*
648 * Allow to allocate instance specific per-context buffers, such as
649 * bitstream ringbuffer, slice buffer, work buffer, etc. if needed.
650 */
651 if (rb->type == V4L2_BUF_TYPE_VIDEO_OUTPUT && ctx->ops->reqbufs)
652 return ctx->ops->reqbufs(ctx, rb);
653
654 return 0;
655}
656
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300657static int coda_qbuf(struct file *file, void *priv,
658 struct v4l2_buffer *buf)
Javier Martin186b2502012-07-26 05:53:35 -0300659{
660 struct coda_ctx *ctx = fh_to_ctx(priv);
661
Philipp Zabel14604e32014-07-11 06:36:22 -0300662 return v4l2_m2m_qbuf(file, ctx->fh.m2m_ctx, buf);
Javier Martin186b2502012-07-26 05:53:35 -0300663}
664
Philipp Zabel918c66f2013-06-27 06:59:01 -0300665static bool coda_buf_is_end_of_stream(struct coda_ctx *ctx,
Philipp Zabel9f2bfb32015-05-04 07:51:07 -0300666 struct vb2_buffer *buf)
Philipp Zabel918c66f2013-06-27 06:59:01 -0300667{
668 struct vb2_queue *src_vq;
669
Philipp Zabel14604e32014-07-11 06:36:22 -0300670 src_vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300671
672 return ((ctx->bit_stream_param & CODA_BIT_STREAM_END_FLAG) &&
Philipp Zabel9f2bfb32015-05-04 07:51:07 -0300673 (buf->v4l2_buf.sequence == (ctx->qsequence - 1)));
Philipp Zabel918c66f2013-06-27 06:59:01 -0300674}
675
Philipp Zabel9f2bfb32015-05-04 07:51:07 -0300676void coda_m2m_buf_done(struct coda_ctx *ctx, struct vb2_buffer *buf,
677 enum vb2_buffer_state state)
Javier Martin186b2502012-07-26 05:53:35 -0300678{
Philipp Zabel9f2bfb32015-05-04 07:51:07 -0300679 const struct v4l2_event eos_event = {
680 .type = V4L2_EVENT_EOS
681 };
Javier Martin186b2502012-07-26 05:53:35 -0300682
Philipp Zabel9f2bfb32015-05-04 07:51:07 -0300683 if (coda_buf_is_end_of_stream(ctx, buf)) {
684 buf->v4l2_buf.flags |= V4L2_BUF_FLAG_LAST;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300685
686 v4l2_event_queue_fh(&ctx->fh, &eos_event);
687 }
688
Philipp Zabel9f2bfb32015-05-04 07:51:07 -0300689 v4l2_m2m_buf_done(buf, state);
Javier Martin186b2502012-07-26 05:53:35 -0300690}
691
Philipp Zabel52c41672014-07-11 06:36:19 -0300692static int coda_g_selection(struct file *file, void *fh,
693 struct v4l2_selection *s)
694{
695 struct coda_ctx *ctx = fh_to_ctx(fh);
696 struct coda_q_data *q_data;
697 struct v4l2_rect r, *rsel;
698
699 q_data = get_q_data(ctx, s->type);
700 if (!q_data)
701 return -EINVAL;
702
703 r.left = 0;
704 r.top = 0;
705 r.width = q_data->width;
706 r.height = q_data->height;
707 rsel = &q_data->rect;
708
709 switch (s->target) {
710 case V4L2_SEL_TGT_CROP_DEFAULT:
711 case V4L2_SEL_TGT_CROP_BOUNDS:
712 rsel = &r;
713 /* fallthrough */
714 case V4L2_SEL_TGT_CROP:
715 if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
716 return -EINVAL;
717 break;
718 case V4L2_SEL_TGT_COMPOSE_BOUNDS:
719 case V4L2_SEL_TGT_COMPOSE_PADDED:
720 rsel = &r;
721 /* fallthrough */
722 case V4L2_SEL_TGT_COMPOSE:
723 case V4L2_SEL_TGT_COMPOSE_DEFAULT:
724 if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
725 return -EINVAL;
726 break;
727 default:
728 return -EINVAL;
729 }
730
731 s->r = *rsel;
732
733 return 0;
734}
735
Philipp Zabel64ba40a2013-09-30 10:34:52 -0300736static int coda_try_decoder_cmd(struct file *file, void *fh,
737 struct v4l2_decoder_cmd *dc)
Philipp Zabel918c66f2013-06-27 06:59:01 -0300738{
Philipp Zabel918c66f2013-06-27 06:59:01 -0300739 if (dc->cmd != V4L2_DEC_CMD_STOP)
740 return -EINVAL;
741
Philipp Zabel64ba40a2013-09-30 10:34:52 -0300742 if (dc->flags & V4L2_DEC_CMD_STOP_TO_BLACK)
Philipp Zabel918c66f2013-06-27 06:59:01 -0300743 return -EINVAL;
744
Philipp Zabel64ba40a2013-09-30 10:34:52 -0300745 if (!(dc->flags & V4L2_DEC_CMD_STOP_IMMEDIATELY) && (dc->stop.pts != 0))
Philipp Zabel918c66f2013-06-27 06:59:01 -0300746 return -EINVAL;
747
Philipp Zabel64ba40a2013-09-30 10:34:52 -0300748 return 0;
749}
750
751static int coda_decoder_cmd(struct file *file, void *fh,
752 struct v4l2_decoder_cmd *dc)
753{
754 struct coda_ctx *ctx = fh_to_ctx(fh);
755 int ret;
756
757 ret = coda_try_decoder_cmd(file, fh, dc);
758 if (ret < 0)
759 return ret;
760
761 /* Ignore decoder stop command silently in encoder context */
Philipp Zabel918c66f2013-06-27 06:59:01 -0300762 if (ctx->inst_type != CODA_INST_DECODER)
Philipp Zabel64ba40a2013-09-30 10:34:52 -0300763 return 0;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300764
Philipp Zabel347bb7f2014-07-23 12:28:42 -0300765 /* Set the stream-end flag on this context */
766 coda_bit_stream_end_flag(ctx);
Philipp Zabel84e23652014-07-11 06:36:34 -0300767 ctx->hold = false;
Michael Olbrichf3497da2014-07-11 06:36:30 -0300768 v4l2_m2m_try_schedule(ctx->fh.m2m_ctx);
Philipp Zabel89548442014-07-11 06:36:17 -0300769
Philipp Zabel918c66f2013-06-27 06:59:01 -0300770 return 0;
771}
772
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300773static int coda_subscribe_event(struct v4l2_fh *fh,
774 const struct v4l2_event_subscription *sub)
Philipp Zabel918c66f2013-06-27 06:59:01 -0300775{
776 switch (sub->type) {
777 case V4L2_EVENT_EOS:
778 return v4l2_event_subscribe(fh, sub, 0, NULL);
779 default:
780 return v4l2_ctrl_subscribe_event(fh, sub);
781 }
Javier Martin186b2502012-07-26 05:53:35 -0300782}
783
784static const struct v4l2_ioctl_ops coda_ioctl_ops = {
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300785 .vidioc_querycap = coda_querycap,
Javier Martin186b2502012-07-26 05:53:35 -0300786
Philipp Zabel22e244b2014-07-18 07:22:43 -0300787 .vidioc_enum_fmt_vid_cap = coda_enum_fmt,
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300788 .vidioc_g_fmt_vid_cap = coda_g_fmt,
789 .vidioc_try_fmt_vid_cap = coda_try_fmt_vid_cap,
790 .vidioc_s_fmt_vid_cap = coda_s_fmt_vid_cap,
Javier Martin186b2502012-07-26 05:53:35 -0300791
Philipp Zabel22e244b2014-07-18 07:22:43 -0300792 .vidioc_enum_fmt_vid_out = coda_enum_fmt,
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300793 .vidioc_g_fmt_vid_out = coda_g_fmt,
794 .vidioc_try_fmt_vid_out = coda_try_fmt_vid_out,
795 .vidioc_s_fmt_vid_out = coda_s_fmt_vid_out,
Javier Martin186b2502012-07-26 05:53:35 -0300796
Philipp Zabel73751da2015-03-24 14:30:51 -0300797 .vidioc_reqbufs = coda_reqbufs,
Philipp Zabel152ea1c2014-07-11 06:36:21 -0300798 .vidioc_querybuf = v4l2_m2m_ioctl_querybuf,
Javier Martin186b2502012-07-26 05:53:35 -0300799
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300800 .vidioc_qbuf = coda_qbuf,
Philipp Zabel152ea1c2014-07-11 06:36:21 -0300801 .vidioc_expbuf = v4l2_m2m_ioctl_expbuf,
Philipp Zabel9f2bfb32015-05-04 07:51:07 -0300802 .vidioc_dqbuf = v4l2_m2m_ioctl_dqbuf,
Philipp Zabel152ea1c2014-07-11 06:36:21 -0300803 .vidioc_create_bufs = v4l2_m2m_ioctl_create_bufs,
Javier Martin186b2502012-07-26 05:53:35 -0300804
Philipp Zabel152ea1c2014-07-11 06:36:21 -0300805 .vidioc_streamon = v4l2_m2m_ioctl_streamon,
806 .vidioc_streamoff = v4l2_m2m_ioctl_streamoff,
Philipp Zabel918c66f2013-06-27 06:59:01 -0300807
Philipp Zabel52c41672014-07-11 06:36:19 -0300808 .vidioc_g_selection = coda_g_selection,
809
Philipp Zabel64ba40a2013-09-30 10:34:52 -0300810 .vidioc_try_decoder_cmd = coda_try_decoder_cmd,
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300811 .vidioc_decoder_cmd = coda_decoder_cmd,
Philipp Zabel918c66f2013-06-27 06:59:01 -0300812
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300813 .vidioc_subscribe_event = coda_subscribe_event,
Philipp Zabel918c66f2013-06-27 06:59:01 -0300814 .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
Javier Martin186b2502012-07-26 05:53:35 -0300815};
816
Philipp Zabel79924ca2014-07-23 12:28:45 -0300817void coda_set_gdi_regs(struct coda_ctx *ctx)
Philipp Zabel89548442014-07-11 06:36:17 -0300818{
819 struct gdi_tiled_map *tiled_map = &ctx->tiled_map;
820 struct coda_dev *dev = ctx->dev;
821 int i;
822
823 for (i = 0; i < 16; i++)
824 coda_write(dev, tiled_map->xy2ca_map[i],
825 CODA9_GDI_XY2_CAS_0 + 4 * i);
826 for (i = 0; i < 4; i++)
827 coda_write(dev, tiled_map->xy2ba_map[i],
828 CODA9_GDI_XY2_BA_0 + 4 * i);
829 for (i = 0; i < 16; i++)
830 coda_write(dev, tiled_map->xy2ra_map[i],
831 CODA9_GDI_XY2_RAS_0 + 4 * i);
832 coda_write(dev, tiled_map->xy2rbc_config, CODA9_GDI_XY2_RBC_CONFIG);
833 for (i = 0; i < 32; i++)
834 coda_write(dev, tiled_map->rbc2axi_map[i],
835 CODA9_GDI_RBC2_AXI_0 + 4 * i);
836}
837
Javier Martin186b2502012-07-26 05:53:35 -0300838/*
839 * Mem-to-mem operations.
840 */
Philipp Zabel477c1cf2013-06-21 03:55:33 -0300841
842static void coda_device_run(void *m2m_priv)
843{
844 struct coda_ctx *ctx = m2m_priv;
845 struct coda_dev *dev = ctx->dev;
Philipp Zabel32b6f202014-07-11 06:36:20 -0300846
847 queue_work(dev->workqueue, &ctx->pic_run_work);
848}
849
Philipp Zabel32b6f202014-07-11 06:36:20 -0300850static void coda_pic_run_work(struct work_struct *work)
851{
852 struct coda_ctx *ctx = container_of(work, struct coda_ctx, pic_run_work);
853 struct coda_dev *dev = ctx->dev;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300854 int ret;
855
856 mutex_lock(&ctx->buffer_mutex);
Philipp Zabel477c1cf2013-06-21 03:55:33 -0300857 mutex_lock(&dev->coda_mutex);
858
Philipp Zabela1192a12014-07-23 12:28:40 -0300859 ret = ctx->ops->prepare_run(ctx);
860 if (ret < 0 && ctx->inst_type == CODA_INST_DECODER) {
861 mutex_unlock(&dev->coda_mutex);
862 mutex_unlock(&ctx->buffer_mutex);
863 /* job_finish scheduled by prepare_decode */
864 return;
Philipp Zabel10436672012-07-02 09:03:55 -0300865 }
866
Philipp Zabelf23797b2014-08-06 08:02:23 -0300867 if (!wait_for_completion_timeout(&ctx->completion,
868 msecs_to_jiffies(1000))) {
Philipp Zabel32b6f202014-07-11 06:36:20 -0300869 dev_err(&dev->plat_dev->dev, "CODA PIC_RUN timeout\n");
Philipp Zabel84e23652014-07-11 06:36:34 -0300870
871 ctx->hold = true;
Philipp Zabel8f452842014-07-11 06:36:35 -0300872
873 coda_hw_reset(ctx);
Philipp Zabel32b6f202014-07-11 06:36:20 -0300874 } else if (!ctx->aborting) {
Philipp Zabela1192a12014-07-23 12:28:40 -0300875 ctx->ops->finish_run(ctx);
Philipp Zabel32b6f202014-07-11 06:36:20 -0300876 }
877
Philipp Zabel747d7642015-01-23 13:51:31 -0300878 if ((ctx->aborting || (!ctx->streamon_cap && !ctx->streamon_out)) &&
879 ctx->ops->seq_end_work)
Philipp Zabel32b6f202014-07-11 06:36:20 -0300880 queue_work(dev->workqueue, &ctx->seq_end_work);
881
882 mutex_unlock(&dev->coda_mutex);
883 mutex_unlock(&ctx->buffer_mutex);
884
Philipp Zabel14604e32014-07-11 06:36:22 -0300885 v4l2_m2m_job_finish(ctx->dev->m2m_dev, ctx->fh.m2m_ctx);
Javier Martin186b2502012-07-26 05:53:35 -0300886}
887
888static int coda_job_ready(void *m2m_priv)
889{
890 struct coda_ctx *ctx = m2m_priv;
891
892 /*
893 * For both 'P' and 'key' frame cases 1 picture
Philipp Zabel9082a7c2013-06-21 03:55:31 -0300894 * and 1 frame are needed. In the decoder case,
895 * the compressed frame can be in the bitstream.
Javier Martin186b2502012-07-26 05:53:35 -0300896 */
Philipp Zabel14604e32014-07-11 06:36:22 -0300897 if (!v4l2_m2m_num_src_bufs_ready(ctx->fh.m2m_ctx) &&
Philipp Zabel9082a7c2013-06-21 03:55:31 -0300898 ctx->inst_type != CODA_INST_DECODER) {
Javier Martin186b2502012-07-26 05:53:35 -0300899 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
900 "not ready: not enough video buffers.\n");
901 return 0;
902 }
903
Philipp Zabel14604e32014-07-11 06:36:22 -0300904 if (!v4l2_m2m_num_dst_bufs_ready(ctx->fh.m2m_ctx)) {
Philipp Zabel9082a7c2013-06-21 03:55:31 -0300905 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
906 "not ready: not enough video capture buffers.\n");
907 return 0;
908 }
909
Philipp Zabela22496c2015-01-23 13:51:33 -0300910 if (ctx->inst_type == CODA_INST_DECODER && ctx->use_bit) {
Philipp Zabelf77fd8a2015-01-23 13:51:20 -0300911 struct list_head *meta;
912 bool stream_end;
913 int num_metas;
914 int src_bufs;
915
916 if (ctx->hold && !v4l2_m2m_num_src_bufs_ready(ctx->fh.m2m_ctx)) {
917 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
918 "%d: not ready: on hold for more buffers.\n",
919 ctx->idx);
920 return 0;
921 }
922
923 stream_end = ctx->bit_stream_param &
924 CODA_BIT_STREAM_END_FLAG;
925
926 num_metas = 0;
927 list_for_each(meta, &ctx->buffer_meta_list)
928 num_metas++;
929
930 src_bufs = v4l2_m2m_num_src_bufs_ready(ctx->fh.m2m_ctx);
931
932 if (!stream_end && (num_metas + src_bufs) < 2) {
933 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
934 "%d: not ready: need 2 buffers available (%d, %d)\n",
935 ctx->idx, num_metas, src_bufs);
936 return 0;
937 }
938
939
940 if (!v4l2_m2m_num_src_bufs_ready(ctx->fh.m2m_ctx) &&
941 !stream_end && (coda_get_bitstream_payload(ctx) < 512)) {
942 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
943 "%d: not ready: not enough bitstream data (%d).\n",
944 ctx->idx, coda_get_bitstream_payload(ctx));
945 return 0;
946 }
Philipp Zabel918c66f2013-06-27 06:59:01 -0300947 }
948
Philipp Zabel3e748262013-05-23 10:43:01 -0300949 if (ctx->aborting) {
950 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
951 "not ready: aborting\n");
952 return 0;
953 }
954
Javier Martin186b2502012-07-26 05:53:35 -0300955 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
956 "job ready\n");
957 return 1;
958}
959
960static void coda_job_abort(void *priv)
961{
962 struct coda_ctx *ctx = priv;
Javier Martin186b2502012-07-26 05:53:35 -0300963
964 ctx->aborting = 1;
965
966 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
967 "Aborting task\n");
Javier Martin186b2502012-07-26 05:53:35 -0300968}
969
970static void coda_lock(void *m2m_priv)
971{
972 struct coda_ctx *ctx = m2m_priv;
973 struct coda_dev *pcdev = ctx->dev;
Philipp Zabelf23797b2014-08-06 08:02:23 -0300974
Javier Martin186b2502012-07-26 05:53:35 -0300975 mutex_lock(&pcdev->dev_mutex);
976}
977
978static void coda_unlock(void *m2m_priv)
979{
980 struct coda_ctx *ctx = m2m_priv;
981 struct coda_dev *pcdev = ctx->dev;
Philipp Zabelf23797b2014-08-06 08:02:23 -0300982
Javier Martin186b2502012-07-26 05:53:35 -0300983 mutex_unlock(&pcdev->dev_mutex);
984}
985
Philipp Zabel814c3762014-07-18 07:22:45 -0300986static const struct v4l2_m2m_ops coda_m2m_ops = {
Javier Martin186b2502012-07-26 05:53:35 -0300987 .device_run = coda_device_run,
988 .job_ready = coda_job_ready,
989 .job_abort = coda_job_abort,
990 .lock = coda_lock,
991 .unlock = coda_unlock,
992};
993
Philipp Zabel89548442014-07-11 06:36:17 -0300994static void coda_set_tiled_map_type(struct coda_ctx *ctx, int tiled_map_type)
995{
996 struct gdi_tiled_map *tiled_map = &ctx->tiled_map;
997 int luma_map, chro_map, i;
998
999 memset(tiled_map, 0, sizeof(*tiled_map));
1000
1001 luma_map = 64;
1002 chro_map = 64;
1003 tiled_map->map_type = tiled_map_type;
1004 for (i = 0; i < 16; i++)
1005 tiled_map->xy2ca_map[i] = luma_map << 8 | chro_map;
1006 for (i = 0; i < 4; i++)
1007 tiled_map->xy2ba_map[i] = luma_map << 8 | chro_map;
1008 for (i = 0; i < 16; i++)
1009 tiled_map->xy2ra_map[i] = luma_map << 8 | chro_map;
1010
1011 if (tiled_map_type == GDI_LINEAR_FRAME_MAP) {
1012 tiled_map->xy2rbc_config = 0;
1013 } else {
1014 dev_err(&ctx->dev->plat_dev->dev, "invalid map type: %d\n",
1015 tiled_map_type);
1016 return;
1017 }
1018}
1019
Javier Martin186b2502012-07-26 05:53:35 -03001020static void set_default_params(struct coda_ctx *ctx)
1021{
Philipp Zabel8e428d52015-01-23 13:51:29 -03001022 unsigned int max_w, max_h, usize, csize;
Philipp Zabelb96904e2013-05-23 10:42:58 -03001023
Philipp Zabel2c11d1b2014-10-02 14:08:28 -03001024 ctx->codec = coda_find_codec(ctx->dev, ctx->cvd->src_formats[0],
1025 ctx->cvd->dst_formats[0]);
Philipp Zabeld4c6a412014-10-02 14:08:35 -03001026 max_w = min(ctx->codec->max_w, 1920U);
1027 max_h = min(ctx->codec->max_h, 1088U);
Philipp Zabel8e428d52015-01-23 13:51:29 -03001028 usize = max_w * max_h * 3 / 2;
1029 csize = coda_estimate_sizeimage(ctx, usize, max_w, max_h);
Javier Martin186b2502012-07-26 05:53:35 -03001030
Philipp Zabel121cacf2014-07-18 07:22:42 -03001031 ctx->params.codec_mode = ctx->codec->mode;
Javier Martin186b2502012-07-26 05:53:35 -03001032 ctx->colorspace = V4L2_COLORSPACE_REC709;
1033 ctx->params.framerate = 30;
Javier Martin186b2502012-07-26 05:53:35 -03001034
1035 /* Default formats for output and input queues */
Philipp Zabelb96904e2013-05-23 10:42:58 -03001036 ctx->q_data[V4L2_M2M_SRC].fourcc = ctx->codec->src_fourcc;
1037 ctx->q_data[V4L2_M2M_DST].fourcc = ctx->codec->dst_fourcc;
1038 ctx->q_data[V4L2_M2M_SRC].width = max_w;
1039 ctx->q_data[V4L2_M2M_SRC].height = max_h;
Philipp Zabelb96904e2013-05-23 10:42:58 -03001040 ctx->q_data[V4L2_M2M_DST].width = max_w;
1041 ctx->q_data[V4L2_M2M_DST].height = max_h;
Philipp Zabel121cacf2014-07-18 07:22:42 -03001042 if (ctx->codec->src_fourcc == V4L2_PIX_FMT_YUV420) {
1043 ctx->q_data[V4L2_M2M_SRC].bytesperline = max_w;
Philipp Zabel8e428d52015-01-23 13:51:29 -03001044 ctx->q_data[V4L2_M2M_SRC].sizeimage = usize;
Philipp Zabel121cacf2014-07-18 07:22:42 -03001045 ctx->q_data[V4L2_M2M_DST].bytesperline = 0;
Philipp Zabel8e428d52015-01-23 13:51:29 -03001046 ctx->q_data[V4L2_M2M_DST].sizeimage = csize;
Philipp Zabel121cacf2014-07-18 07:22:42 -03001047 } else {
1048 ctx->q_data[V4L2_M2M_SRC].bytesperline = 0;
Philipp Zabel8e428d52015-01-23 13:51:29 -03001049 ctx->q_data[V4L2_M2M_SRC].sizeimage = csize;
Philipp Zabel121cacf2014-07-18 07:22:42 -03001050 ctx->q_data[V4L2_M2M_DST].bytesperline = max_w;
Philipp Zabel8e428d52015-01-23 13:51:29 -03001051 ctx->q_data[V4L2_M2M_DST].sizeimage = usize;
Philipp Zabel121cacf2014-07-18 07:22:42 -03001052 }
Philipp Zabel52c41672014-07-11 06:36:19 -03001053 ctx->q_data[V4L2_M2M_SRC].rect.width = max_w;
1054 ctx->q_data[V4L2_M2M_SRC].rect.height = max_h;
1055 ctx->q_data[V4L2_M2M_DST].rect.width = max_w;
1056 ctx->q_data[V4L2_M2M_DST].rect.height = max_h;
Philipp Zabel89548442014-07-11 06:36:17 -03001057
1058 if (ctx->dev->devtype->product == CODA_960)
1059 coda_set_tiled_map_type(ctx, GDI_LINEAR_FRAME_MAP);
Javier Martin186b2502012-07-26 05:53:35 -03001060}
1061
1062/*
1063 * Queue operations
1064 */
1065static int coda_queue_setup(struct vb2_queue *vq,
1066 const struct v4l2_format *fmt,
1067 unsigned int *nbuffers, unsigned int *nplanes,
1068 unsigned int sizes[], void *alloc_ctxs[])
1069{
1070 struct coda_ctx *ctx = vb2_get_drv_priv(vq);
Philipp Zabele34db062012-08-29 08:22:00 -03001071 struct coda_q_data *q_data;
Javier Martin186b2502012-07-26 05:53:35 -03001072 unsigned int size;
1073
Philipp Zabele34db062012-08-29 08:22:00 -03001074 q_data = get_q_data(ctx, vq->type);
1075 size = q_data->sizeimage;
Javier Martin186b2502012-07-26 05:53:35 -03001076
1077 *nplanes = 1;
1078 sizes[0] = size;
1079
Philipp Zabelbb04aa62015-01-23 13:51:30 -03001080 /* Set to vb2-dma-contig allocator context, ignored by vb2-vmalloc */
Javier Martin186b2502012-07-26 05:53:35 -03001081 alloc_ctxs[0] = ctx->dev->alloc_ctx;
1082
1083 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
1084 "get %d buffer(s) of size %d each.\n", *nbuffers, size);
1085
1086 return 0;
1087}
1088
1089static int coda_buf_prepare(struct vb2_buffer *vb)
1090{
1091 struct coda_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
1092 struct coda_q_data *q_data;
1093
1094 q_data = get_q_data(ctx, vb->vb2_queue->type);
1095
1096 if (vb2_plane_size(vb, 0) < q_data->sizeimage) {
1097 v4l2_warn(&ctx->dev->v4l2_dev,
1098 "%s data will not fit into plane (%lu < %lu)\n",
1099 __func__, vb2_plane_size(vb, 0),
1100 (long)q_data->sizeimage);
1101 return -EINVAL;
1102 }
1103
Javier Martin186b2502012-07-26 05:53:35 -03001104 return 0;
1105}
1106
1107static void coda_buf_queue(struct vb2_buffer *vb)
1108{
1109 struct coda_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
Philipp Zabelcb06b702015-01-23 13:51:35 -03001110 struct vb2_queue *vq = vb->vb2_queue;
Philipp Zabel918c66f2013-06-27 06:59:01 -03001111 struct coda_q_data *q_data;
1112
1113 q_data = get_q_data(ctx, vb->vb2_queue->type);
1114
1115 /*
1116 * In the decoder case, immediately try to copy the buffer into the
1117 * bitstream ringbuffer and mark it as ready to be dequeued.
1118 */
Philipp Zabelcb06b702015-01-23 13:51:35 -03001119 if (ctx->bitstream.size && vq->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
Philipp Zabel918c66f2013-06-27 06:59:01 -03001120 /*
Jonathan McCrohan39c1cb22013-10-20 21:34:01 -03001121 * For backwards compatibility, queuing an empty buffer marks
Philipp Zabel918c66f2013-06-27 06:59:01 -03001122 * the stream end
1123 */
Philipp Zabel347bb7f2014-07-23 12:28:42 -03001124 if (vb2_get_plane_payload(vb, 0) == 0)
1125 coda_bit_stream_end_flag(ctx);
Philipp Zabel918c66f2013-06-27 06:59:01 -03001126 mutex_lock(&ctx->bitstream_mutex);
Philipp Zabel14604e32014-07-11 06:36:22 -03001127 v4l2_m2m_buf_queue(ctx->fh.m2m_ctx, vb);
Michael Olbricheabed932014-07-18 07:22:40 -03001128 if (vb2_is_streaming(vb->vb2_queue))
Philipp Zabel582d88722015-03-24 14:30:57 -03001129 coda_fill_bitstream(ctx, true);
Philipp Zabel918c66f2013-06-27 06:59:01 -03001130 mutex_unlock(&ctx->bitstream_mutex);
1131 } else {
Philipp Zabel14604e32014-07-11 06:36:22 -03001132 v4l2_m2m_buf_queue(ctx->fh.m2m_ctx, vb);
Philipp Zabel918c66f2013-06-27 06:59:01 -03001133 }
Javier Martin186b2502012-07-26 05:53:35 -03001134}
1135
Philipp Zabel79924ca2014-07-23 12:28:45 -03001136int coda_alloc_aux_buf(struct coda_dev *dev, struct coda_aux_buf *buf,
1137 size_t size, const char *name, struct dentry *parent)
Philipp Zabel5677e3b2013-06-21 03:55:30 -03001138{
1139 buf->vaddr = dma_alloc_coherent(&dev->plat_dev->dev, size, &buf->paddr,
1140 GFP_KERNEL);
Philipp Zabel68fc31c2014-08-05 14:00:16 -03001141 if (!buf->vaddr) {
1142 v4l2_err(&dev->v4l2_dev,
1143 "Failed to allocate %s buffer of size %u\n",
1144 name, size);
Philipp Zabel5677e3b2013-06-21 03:55:30 -03001145 return -ENOMEM;
Philipp Zabel68fc31c2014-08-05 14:00:16 -03001146 }
Philipp Zabel5677e3b2013-06-21 03:55:30 -03001147
1148 buf->size = size;
1149
Philipp Zabelf61c0b12014-07-11 06:36:40 -03001150 if (name && parent) {
1151 buf->blob.data = buf->vaddr;
1152 buf->blob.size = size;
Philipp Zabelf23797b2014-08-06 08:02:23 -03001153 buf->dentry = debugfs_create_blob(name, 0644, parent,
1154 &buf->blob);
Philipp Zabelf61c0b12014-07-11 06:36:40 -03001155 if (!buf->dentry)
1156 dev_warn(&dev->plat_dev->dev,
1157 "failed to create debugfs entry %s\n", name);
1158 }
1159
Philipp Zabel5677e3b2013-06-21 03:55:30 -03001160 return 0;
1161}
1162
Philipp Zabel79924ca2014-07-23 12:28:45 -03001163void coda_free_aux_buf(struct coda_dev *dev,
1164 struct coda_aux_buf *buf)
Philipp Zabel5677e3b2013-06-21 03:55:30 -03001165{
1166 if (buf->vaddr) {
1167 dma_free_coherent(&dev->plat_dev->dev, buf->size,
1168 buf->vaddr, buf->paddr);
1169 buf->vaddr = NULL;
1170 buf->size = 0;
Peter Seidererd446ec82015-03-24 14:30:48 -03001171 debugfs_remove(buf->dentry);
1172 buf->dentry = NULL;
Philipp Zabel5677e3b2013-06-21 03:55:30 -03001173 }
1174}
1175
Javier Martin186b2502012-07-26 05:53:35 -03001176static int coda_start_streaming(struct vb2_queue *q, unsigned int count)
1177{
1178 struct coda_ctx *ctx = vb2_get_drv_priv(q);
1179 struct v4l2_device *v4l2_dev = &ctx->dev->v4l2_dev;
Javier Martin186b2502012-07-26 05:53:35 -03001180 struct coda_q_data *q_data_src, *q_data_dst;
Philipp Zabelb9063522014-08-05 14:00:10 -03001181 struct vb2_buffer *buf;
Philipp Zabeld35167a2013-05-23 10:42:59 -03001182 int ret = 0;
Javier Martin186b2502012-07-26 05:53:35 -03001183
Philipp Zabelb96904e2013-05-23 10:42:58 -03001184 q_data_src = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
Philipp Zabel918c66f2013-06-27 06:59:01 -03001185 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
Philipp Zabel58bc7ed2015-07-09 07:10:14 -03001186 if (ctx->inst_type == CODA_INST_DECODER && ctx->use_bit) {
Philipp Zabel582d88722015-03-24 14:30:57 -03001187 /* copy the buffers that were queued before streamon */
Michael Olbricheabed932014-07-18 07:22:40 -03001188 mutex_lock(&ctx->bitstream_mutex);
Philipp Zabel582d88722015-03-24 14:30:57 -03001189 coda_fill_bitstream(ctx, false);
Michael Olbricheabed932014-07-18 07:22:40 -03001190 mutex_unlock(&ctx->bitstream_mutex);
1191
Philipp Zabelb9063522014-08-05 14:00:10 -03001192 if (coda_get_bitstream_payload(ctx) < 512) {
1193 ret = -EINVAL;
1194 goto err;
1195 }
Philipp Zabel918c66f2013-06-27 06:59:01 -03001196 } else {
Philipp Zabelb9063522014-08-05 14:00:10 -03001197 if (count < 1) {
1198 ret = -EINVAL;
1199 goto err;
1200 }
Philipp Zabel918c66f2013-06-27 06:59:01 -03001201 }
1202
1203 ctx->streamon_out = 1;
Philipp Zabel918c66f2013-06-27 06:59:01 -03001204 } else {
Philipp Zabelb9063522014-08-05 14:00:10 -03001205 if (count < 1) {
1206 ret = -EINVAL;
1207 goto err;
1208 }
Philipp Zabel918c66f2013-06-27 06:59:01 -03001209
1210 ctx->streamon_cap = 1;
Philipp Zabelb96904e2013-05-23 10:42:58 -03001211 }
Javier Martin186b2502012-07-26 05:53:35 -03001212
Philipp Zabelb96904e2013-05-23 10:42:58 -03001213 /* Don't start the coda unless both queues are on */
1214 if (!(ctx->streamon_out & ctx->streamon_cap))
1215 return 0;
Javier Martin186b2502012-07-26 05:53:35 -03001216
Philipp Zabel23b6ee52015-03-24 14:30:55 -03001217 q_data_dst = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
1218 if ((q_data_src->width != q_data_dst->width &&
1219 round_up(q_data_src->width, 16) != q_data_dst->width) ||
1220 (q_data_src->height != q_data_dst->height &&
1221 round_up(q_data_src->height, 16) != q_data_dst->height)) {
1222 v4l2_err(v4l2_dev, "can't convert %dx%d to %dx%d\n",
1223 q_data_src->width, q_data_src->height,
1224 q_data_dst->width, q_data_dst->height);
1225 ret = -EINVAL;
1226 goto err;
1227 }
1228
Philipp Zabelcb1d3a32014-10-02 14:08:31 -03001229 /* Allow BIT decoder device_run with no new buffers queued */
Philipp Zabela22496c2015-01-23 13:51:33 -03001230 if (ctx->inst_type == CODA_INST_DECODER && ctx->use_bit)
Philipp Zabel14604e32014-07-11 06:36:22 -03001231 v4l2_m2m_set_src_buffered(ctx->fh.m2m_ctx, true);
Philipp Zabel918c66f2013-06-27 06:59:01 -03001232
Philipp Zabelb96904e2013-05-23 10:42:58 -03001233 ctx->gopcounter = ctx->params.gop_size - 1;
Javier Martin186b2502012-07-26 05:53:35 -03001234
Philipp Zabelb96904e2013-05-23 10:42:58 -03001235 ctx->codec = coda_find_codec(ctx->dev, q_data_src->fourcc,
1236 q_data_dst->fourcc);
1237 if (!ctx->codec) {
Javier Martin186b2502012-07-26 05:53:35 -03001238 v4l2_err(v4l2_dev, "couldn't tell instance type.\n");
Philipp Zabelb9063522014-08-05 14:00:10 -03001239 ret = -EINVAL;
1240 goto err;
Javier Martin186b2502012-07-26 05:53:35 -03001241 }
1242
Philipp Zabelcb1d3a32014-10-02 14:08:31 -03001243 if (q_data_dst->fourcc == V4L2_PIX_FMT_JPEG)
1244 ctx->params.gop_size = 1;
1245 ctx->gopcounter = ctx->params.gop_size - 1;
1246
Philipp Zabela1192a12014-07-23 12:28:40 -03001247 ret = ctx->ops->start_streaming(ctx);
Philipp Zabel918c66f2013-06-27 06:59:01 -03001248 if (ctx->inst_type == CODA_INST_DECODER) {
Philipp Zabel89548442014-07-11 06:36:17 -03001249 if (ret == -EAGAIN)
Philipp Zabel918c66f2013-06-27 06:59:01 -03001250 return 0;
Philipp Zabel89548442014-07-11 06:36:17 -03001251 else if (ret < 0)
Philipp Zabelb9063522014-08-05 14:00:10 -03001252 goto err;
Philipp Zabel918c66f2013-06-27 06:59:01 -03001253 }
1254
Philipp Zabel89548442014-07-11 06:36:17 -03001255 return ret;
Philipp Zabelb9063522014-08-05 14:00:10 -03001256
1257err:
1258 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
1259 while ((buf = v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx)))
Philipp Zabelb8b1b58c52014-10-21 13:25:52 -03001260 v4l2_m2m_buf_done(buf, VB2_BUF_STATE_QUEUED);
Philipp Zabelb9063522014-08-05 14:00:10 -03001261 } else {
1262 while ((buf = v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx)))
Philipp Zabelb8b1b58c52014-10-21 13:25:52 -03001263 v4l2_m2m_buf_done(buf, VB2_BUF_STATE_QUEUED);
Philipp Zabelb9063522014-08-05 14:00:10 -03001264 }
1265 return ret;
Philipp Zabel89548442014-07-11 06:36:17 -03001266}
1267
Hans Verkuile37559b2014-04-17 02:47:21 -03001268static void coda_stop_streaming(struct vb2_queue *q)
Javier Martin186b2502012-07-26 05:53:35 -03001269{
1270 struct coda_ctx *ctx = vb2_get_drv_priv(q);
Philipp Zabel2fb57f02012-07-25 09:22:07 -03001271 struct coda_dev *dev = ctx->dev;
Philipp Zabel4a31b522014-08-05 14:00:11 -03001272 struct vb2_buffer *buf;
Philipp Zabel5c76c2c2015-03-24 14:30:56 -03001273 bool stop;
1274
1275 stop = ctx->streamon_out && ctx->streamon_cap;
Javier Martin186b2502012-07-26 05:53:35 -03001276
1277 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
Philipp Zabel918c66f2013-06-27 06:59:01 -03001278 v4l2_dbg(1, coda_debug, &dev->v4l2_dev,
Javier Martin186b2502012-07-26 05:53:35 -03001279 "%s: output\n", __func__);
Philipp Zabelb96904e2013-05-23 10:42:58 -03001280 ctx->streamon_out = 0;
Philipp Zabel918c66f2013-06-27 06:59:01 -03001281
Philipp Zabel347bb7f2014-07-23 12:28:42 -03001282 coda_bit_stream_end_flag(ctx);
Philipp Zabel4a31b522014-08-05 14:00:11 -03001283
Philipp Zabel6dd5ef52015-01-23 13:51:26 -03001284 ctx->qsequence = 0;
Philipp Zabel4a31b522014-08-05 14:00:11 -03001285
1286 while ((buf = v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx)))
1287 v4l2_m2m_buf_done(buf, VB2_BUF_STATE_ERROR);
Javier Martin186b2502012-07-26 05:53:35 -03001288 } else {
Philipp Zabel918c66f2013-06-27 06:59:01 -03001289 v4l2_dbg(1, coda_debug, &dev->v4l2_dev,
Javier Martin186b2502012-07-26 05:53:35 -03001290 "%s: capture\n", __func__);
Philipp Zabelb96904e2013-05-23 10:42:58 -03001291 ctx->streamon_cap = 0;
Philipp Zabel918c66f2013-06-27 06:59:01 -03001292
1293 ctx->osequence = 0;
Philipp Zabelcb2c0282014-07-11 06:36:33 -03001294 ctx->sequence_offset = 0;
Philipp Zabel4a31b522014-08-05 14:00:11 -03001295
1296 while ((buf = v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx)))
1297 v4l2_m2m_buf_done(buf, VB2_BUF_STATE_ERROR);
Javier Martin186b2502012-07-26 05:53:35 -03001298 }
1299
Philipp Zabel5c76c2c2015-03-24 14:30:56 -03001300 if (stop) {
Philipp Zabel7cbb1052014-10-02 14:08:32 -03001301 struct coda_buffer_meta *meta;
Philipp Zabel846ced92014-07-11 06:36:31 -03001302
Philipp Zabelf4706d62015-01-23 13:51:27 -03001303 if (ctx->ops->seq_end_work) {
1304 queue_work(dev->workqueue, &ctx->seq_end_work);
1305 flush_work(&ctx->seq_end_work);
1306 }
Philipp Zabel18fd0cc2014-08-05 14:00:17 -03001307 mutex_lock(&ctx->bitstream_mutex);
Philipp Zabel7cbb1052014-10-02 14:08:32 -03001308 while (!list_empty(&ctx->buffer_meta_list)) {
1309 meta = list_first_entry(&ctx->buffer_meta_list,
1310 struct coda_buffer_meta, list);
1311 list_del(&meta->list);
1312 kfree(meta);
Philipp Zabel846ced92014-07-11 06:36:31 -03001313 }
Philipp Zabel18fd0cc2014-08-05 14:00:17 -03001314 mutex_unlock(&ctx->bitstream_mutex);
Philipp Zabel918c66f2013-06-27 06:59:01 -03001315 kfifo_init(&ctx->bitstream_fifo,
1316 ctx->bitstream.vaddr, ctx->bitstream.size);
1317 ctx->runcounter = 0;
Philipp Zabelf157cf42014-09-29 09:53:42 -03001318 ctx->aborting = 0;
Philipp Zabel62bed142012-07-25 10:40:39 -03001319 }
Philipp Zabelc1ae0b22015-07-09 07:10:17 -03001320
1321 if (!ctx->streamon_out && !ctx->streamon_cap)
1322 ctx->bit_stream_param &= ~CODA_BIT_STREAM_END_FLAG;
Javier Martin186b2502012-07-26 05:53:35 -03001323}
1324
Philipp Zabel121cacf2014-07-18 07:22:42 -03001325static const struct vb2_ops coda_qops = {
Javier Martin186b2502012-07-26 05:53:35 -03001326 .queue_setup = coda_queue_setup,
1327 .buf_prepare = coda_buf_prepare,
1328 .buf_queue = coda_buf_queue,
Javier Martin186b2502012-07-26 05:53:35 -03001329 .start_streaming = coda_start_streaming,
1330 .stop_streaming = coda_stop_streaming,
Philipp Zabel152ea1c2014-07-11 06:36:21 -03001331 .wait_prepare = vb2_ops_wait_prepare,
1332 .wait_finish = vb2_ops_wait_finish,
Javier Martin186b2502012-07-26 05:53:35 -03001333};
1334
1335static int coda_s_ctrl(struct v4l2_ctrl *ctrl)
1336{
1337 struct coda_ctx *ctx =
1338 container_of(ctrl->handler, struct coda_ctx, ctrls);
1339
1340 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
1341 "s_ctrl: id = %d, val = %d\n", ctrl->id, ctrl->val);
1342
1343 switch (ctrl->id) {
Philipp Zabel8f35c7b2012-07-09 04:25:52 -03001344 case V4L2_CID_HFLIP:
1345 if (ctrl->val)
1346 ctx->params.rot_mode |= CODA_MIR_HOR;
1347 else
1348 ctx->params.rot_mode &= ~CODA_MIR_HOR;
1349 break;
1350 case V4L2_CID_VFLIP:
1351 if (ctrl->val)
1352 ctx->params.rot_mode |= CODA_MIR_VER;
1353 else
1354 ctx->params.rot_mode &= ~CODA_MIR_VER;
1355 break;
Javier Martin186b2502012-07-26 05:53:35 -03001356 case V4L2_CID_MPEG_VIDEO_BITRATE:
1357 ctx->params.bitrate = ctrl->val / 1000;
1358 break;
1359 case V4L2_CID_MPEG_VIDEO_GOP_SIZE:
1360 ctx->params.gop_size = ctrl->val;
1361 break;
1362 case V4L2_CID_MPEG_VIDEO_H264_I_FRAME_QP:
1363 ctx->params.h264_intra_qp = ctrl->val;
1364 break;
1365 case V4L2_CID_MPEG_VIDEO_H264_P_FRAME_QP:
1366 ctx->params.h264_inter_qp = ctrl->val;
1367 break;
Philipp Zabel1a5567e2014-07-11 06:36:26 -03001368 case V4L2_CID_MPEG_VIDEO_H264_MIN_QP:
1369 ctx->params.h264_min_qp = ctrl->val;
1370 break;
1371 case V4L2_CID_MPEG_VIDEO_H264_MAX_QP:
1372 ctx->params.h264_max_qp = ctrl->val;
1373 break;
Philipp Zabelde23b1d2014-07-11 06:36:27 -03001374 case V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_ALPHA:
1375 ctx->params.h264_deblk_alpha = ctrl->val;
1376 break;
1377 case V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_BETA:
1378 ctx->params.h264_deblk_beta = ctrl->val;
1379 break;
1380 case V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_MODE:
1381 ctx->params.h264_deblk_enabled = (ctrl->val ==
1382 V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_ENABLED);
1383 break;
Javier Martin186b2502012-07-26 05:53:35 -03001384 case V4L2_CID_MPEG_VIDEO_MPEG4_I_FRAME_QP:
1385 ctx->params.mpeg4_intra_qp = ctrl->val;
1386 break;
1387 case V4L2_CID_MPEG_VIDEO_MPEG4_P_FRAME_QP:
1388 ctx->params.mpeg4_inter_qp = ctrl->val;
1389 break;
1390 case V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MODE:
1391 ctx->params.slice_mode = ctrl->val;
1392 break;
1393 case V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_MB:
1394 ctx->params.slice_max_mb = ctrl->val;
1395 break;
Philipp Zabelc566c782012-08-08 11:59:38 -03001396 case V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_BYTES:
1397 ctx->params.slice_max_bits = ctrl->val * 8;
1398 break;
Javier Martin186b2502012-07-26 05:53:35 -03001399 case V4L2_CID_MPEG_VIDEO_HEADER_MODE:
1400 break;
Philipp Zabelf38f79d2014-07-11 06:36:28 -03001401 case V4L2_CID_MPEG_VIDEO_CYCLIC_INTRA_REFRESH_MB:
1402 ctx->params.intra_refresh = ctrl->val;
1403 break;
Philipp Zabelcb1d3a32014-10-02 14:08:31 -03001404 case V4L2_CID_JPEG_COMPRESSION_QUALITY:
1405 coda_set_jpeg_compression_quality(ctx, ctrl->val);
1406 break;
1407 case V4L2_CID_JPEG_RESTART_INTERVAL:
1408 ctx->params.jpeg_restart_interval = ctrl->val;
1409 break;
Javier Martin186b2502012-07-26 05:53:35 -03001410 default:
1411 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
1412 "Invalid control, id=%d, val=%d\n",
1413 ctrl->id, ctrl->val);
1414 return -EINVAL;
1415 }
1416
1417 return 0;
1418}
1419
Philipp Zabel814c3762014-07-18 07:22:45 -03001420static const struct v4l2_ctrl_ops coda_ctrl_ops = {
Javier Martin186b2502012-07-26 05:53:35 -03001421 .s_ctrl = coda_s_ctrl,
1422};
1423
Philipp Zabelbfc732f2014-10-02 14:08:29 -03001424static void coda_encode_ctrls(struct coda_ctx *ctx)
Javier Martin186b2502012-07-26 05:53:35 -03001425{
Philipp Zabel8f35c7b2012-07-09 04:25:52 -03001426 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
Philipp Zabel92b042e2015-03-18 08:15:36 -03001427 V4L2_CID_MPEG_VIDEO_BITRATE, 0, 32767000, 1000, 0);
Javier Martin186b2502012-07-26 05:53:35 -03001428 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
1429 V4L2_CID_MPEG_VIDEO_GOP_SIZE, 1, 60, 1, 16);
1430 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
Philipp Zabel594a7502014-07-11 06:36:14 -03001431 V4L2_CID_MPEG_VIDEO_H264_I_FRAME_QP, 0, 51, 1, 25);
Javier Martin186b2502012-07-26 05:53:35 -03001432 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
Philipp Zabel594a7502014-07-11 06:36:14 -03001433 V4L2_CID_MPEG_VIDEO_H264_P_FRAME_QP, 0, 51, 1, 25);
Philipp Zabel1a5567e2014-07-11 06:36:26 -03001434 if (ctx->dev->devtype->product != CODA_960) {
1435 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
1436 V4L2_CID_MPEG_VIDEO_H264_MIN_QP, 0, 51, 1, 12);
1437 }
1438 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
1439 V4L2_CID_MPEG_VIDEO_H264_MAX_QP, 0, 51, 1, 51);
Javier Martin186b2502012-07-26 05:53:35 -03001440 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
Philipp Zabelde23b1d2014-07-11 06:36:27 -03001441 V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_ALPHA, 0, 15, 1, 0);
1442 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
1443 V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_BETA, 0, 15, 1, 0);
1444 v4l2_ctrl_new_std_menu(&ctx->ctrls, &coda_ctrl_ops,
1445 V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_MODE,
1446 V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_DISABLED, 0x0,
1447 V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_ENABLED);
1448 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
Javier Martin186b2502012-07-26 05:53:35 -03001449 V4L2_CID_MPEG_VIDEO_MPEG4_I_FRAME_QP, 1, 31, 1, 2);
1450 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
1451 V4L2_CID_MPEG_VIDEO_MPEG4_P_FRAME_QP, 1, 31, 1, 2);
1452 v4l2_ctrl_new_std_menu(&ctx->ctrls, &coda_ctrl_ops,
1453 V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MODE,
Philipp Zabelc566c782012-08-08 11:59:38 -03001454 V4L2_MPEG_VIDEO_MULTI_SICE_MODE_MAX_BYTES, 0x0,
1455 V4L2_MPEG_VIDEO_MULTI_SLICE_MODE_SINGLE);
Javier Martin186b2502012-07-26 05:53:35 -03001456 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
1457 V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_MB, 1, 0x3fffffff, 1, 1);
Philipp Zabelc566c782012-08-08 11:59:38 -03001458 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
Philipp Zabelf23797b2014-08-06 08:02:23 -03001459 V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_BYTES, 1, 0x3fffffff, 1,
1460 500);
Javier Martin186b2502012-07-26 05:53:35 -03001461 v4l2_ctrl_new_std_menu(&ctx->ctrls, &coda_ctrl_ops,
1462 V4L2_CID_MPEG_VIDEO_HEADER_MODE,
1463 V4L2_MPEG_VIDEO_HEADER_MODE_JOINED_WITH_1ST_FRAME,
1464 (1 << V4L2_MPEG_VIDEO_HEADER_MODE_SEPARATE),
1465 V4L2_MPEG_VIDEO_HEADER_MODE_JOINED_WITH_1ST_FRAME);
Philipp Zabelf38f79d2014-07-11 06:36:28 -03001466 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
Philipp Zabelf23797b2014-08-06 08:02:23 -03001467 V4L2_CID_MPEG_VIDEO_CYCLIC_INTRA_REFRESH_MB, 0,
1468 1920 * 1088 / 256, 1, 0);
Philipp Zabelbfc732f2014-10-02 14:08:29 -03001469}
1470
Philipp Zabelcb1d3a32014-10-02 14:08:31 -03001471static void coda_jpeg_encode_ctrls(struct coda_ctx *ctx)
1472{
1473 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
1474 V4L2_CID_JPEG_COMPRESSION_QUALITY, 5, 100, 1, 50);
1475 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
1476 V4L2_CID_JPEG_RESTART_INTERVAL, 0, 100, 1, 0);
1477}
1478
Philipp Zabelbfc732f2014-10-02 14:08:29 -03001479static int coda_ctrls_setup(struct coda_ctx *ctx)
1480{
1481 v4l2_ctrl_handler_init(&ctx->ctrls, 2);
1482
1483 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
1484 V4L2_CID_HFLIP, 0, 1, 1, 0);
1485 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
1486 V4L2_CID_VFLIP, 0, 1, 1, 0);
Philipp Zabelcb1d3a32014-10-02 14:08:31 -03001487 if (ctx->inst_type == CODA_INST_ENCODER) {
1488 if (ctx->cvd->dst_formats[0] == V4L2_PIX_FMT_JPEG)
1489 coda_jpeg_encode_ctrls(ctx);
1490 else
1491 coda_encode_ctrls(ctx);
1492 }
Javier Martin186b2502012-07-26 05:53:35 -03001493
1494 if (ctx->ctrls.error) {
Philipp Zabelf23797b2014-08-06 08:02:23 -03001495 v4l2_err(&ctx->dev->v4l2_dev,
1496 "control initialization error (%d)",
Javier Martin186b2502012-07-26 05:53:35 -03001497 ctx->ctrls.error);
1498 return -EINVAL;
1499 }
1500
1501 return v4l2_ctrl_handler_setup(&ctx->ctrls);
1502}
1503
Philipp Zabel121cacf2014-07-18 07:22:42 -03001504static int coda_queue_init(struct coda_ctx *ctx, struct vb2_queue *vq)
Javier Martin186b2502012-07-26 05:53:35 -03001505{
Philipp Zabel121cacf2014-07-18 07:22:42 -03001506 vq->drv_priv = ctx;
1507 vq->ops = &coda_qops;
1508 vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer);
1509 vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
1510 vq->lock = &ctx->dev->dev_mutex;
Kamil Debskie4af23d2015-02-23 09:26:18 -03001511 /* One way to indicate end-of-stream for coda is to set the
1512 * bytesused == 0. However by default videobuf2 handles bytesused
1513 * equal to 0 as a special case and changes its value to the size
1514 * of the buffer. Set the allow_zero_bytesused flag, so
1515 * that videobuf2 will keep the value of bytesused intact.
1516 */
1517 vq->allow_zero_bytesused = 1;
Philipp Zabel121cacf2014-07-18 07:22:42 -03001518
1519 return vb2_queue_init(vq);
1520}
1521
Philipp Zabel79924ca2014-07-23 12:28:45 -03001522int coda_encoder_queue_init(void *priv, struct vb2_queue *src_vq,
1523 struct vb2_queue *dst_vq)
Philipp Zabel121cacf2014-07-18 07:22:42 -03001524{
Javier Martin186b2502012-07-26 05:53:35 -03001525 int ret;
1526
Javier Martin186b2502012-07-26 05:53:35 -03001527 src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT;
Philipp Zabeld29a8cf2014-07-18 07:22:38 -03001528 src_vq->io_modes = VB2_DMABUF | VB2_MMAP;
Javier Martin186b2502012-07-26 05:53:35 -03001529 src_vq->mem_ops = &vb2_dma_contig_memops;
1530
Philipp Zabel121cacf2014-07-18 07:22:42 -03001531 ret = coda_queue_init(priv, src_vq);
Javier Martin186b2502012-07-26 05:53:35 -03001532 if (ret)
1533 return ret;
1534
Javier Martin186b2502012-07-26 05:53:35 -03001535 dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
Philipp Zabeld29a8cf2014-07-18 07:22:38 -03001536 dst_vq->io_modes = VB2_DMABUF | VB2_MMAP;
Javier Martin186b2502012-07-26 05:53:35 -03001537 dst_vq->mem_ops = &vb2_dma_contig_memops;
1538
Philipp Zabel121cacf2014-07-18 07:22:42 -03001539 return coda_queue_init(priv, dst_vq);
1540}
1541
Philipp Zabel79924ca2014-07-23 12:28:45 -03001542int coda_decoder_queue_init(void *priv, struct vb2_queue *src_vq,
1543 struct vb2_queue *dst_vq)
Philipp Zabel121cacf2014-07-18 07:22:42 -03001544{
1545 int ret;
1546
1547 src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT;
Philipp Zabelbb04aa62015-01-23 13:51:30 -03001548 src_vq->io_modes = VB2_DMABUF | VB2_MMAP | VB2_USERPTR;
1549 src_vq->mem_ops = &vb2_vmalloc_memops;
Philipp Zabel121cacf2014-07-18 07:22:42 -03001550
1551 ret = coda_queue_init(priv, src_vq);
1552 if (ret)
1553 return ret;
1554
1555 dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1556 dst_vq->io_modes = VB2_DMABUF | VB2_MMAP;
1557 dst_vq->mem_ops = &vb2_dma_contig_memops;
1558
1559 return coda_queue_init(priv, dst_vq);
Javier Martin186b2502012-07-26 05:53:35 -03001560}
1561
Philipp Zabele11f3e62012-07-25 09:16:58 -03001562static int coda_next_free_instance(struct coda_dev *dev)
1563{
Philipp Zabel0cddc7e2013-09-30 10:34:44 -03001564 int idx = ffz(dev->instance_mask);
1565
1566 if ((idx < 0) ||
1567 (dev->devtype->product == CODA_DX6 && idx > CODADX6_MAX_INSTANCES))
1568 return -EBUSY;
1569
1570 return idx;
Philipp Zabele11f3e62012-07-25 09:16:58 -03001571}
1572
Philipp Zabel2c11d1b2014-10-02 14:08:28 -03001573/*
1574 * File operations
1575 */
1576
1577static int coda_open(struct file *file)
Javier Martin186b2502012-07-26 05:53:35 -03001578{
Philipp Zabel2c11d1b2014-10-02 14:08:28 -03001579 struct video_device *vdev = video_devdata(file);
1580 struct coda_dev *dev = video_get_drvdata(vdev);
Javier Martin186b2502012-07-26 05:53:35 -03001581 struct coda_ctx *ctx = NULL;
Philipp Zabelf61c0b12014-07-11 06:36:40 -03001582 char *name;
Philipp Zabel918c66f2013-06-27 06:59:01 -03001583 int ret;
Philipp Zabele11f3e62012-07-25 09:16:58 -03001584 int idx;
Javier Martin186b2502012-07-26 05:53:35 -03001585
Philipp Zabelf23797b2014-08-06 08:02:23 -03001586 ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
Javier Martin186b2502012-07-26 05:53:35 -03001587 if (!ctx)
1588 return -ENOMEM;
1589
Fabio Estevamf82bc202013-08-21 11:14:16 -03001590 idx = coda_next_free_instance(dev);
Philipp Zabel0cddc7e2013-09-30 10:34:44 -03001591 if (idx < 0) {
1592 ret = idx;
Fabio Estevamf82bc202013-08-21 11:14:16 -03001593 goto err_coda_max;
1594 }
1595 set_bit(idx, &dev->instance_mask);
1596
Philipp Zabelf61c0b12014-07-11 06:36:40 -03001597 name = kasprintf(GFP_KERNEL, "context%d", idx);
Peter Seiderera7f933a2015-03-24 14:30:47 -03001598 if (!name) {
1599 ret = -ENOMEM;
1600 goto err_coda_name_init;
1601 }
1602
Philipp Zabelf61c0b12014-07-11 06:36:40 -03001603 ctx->debugfs_entry = debugfs_create_dir(name, dev->debugfs_root);
1604 kfree(name);
1605
Philipp Zabel2c11d1b2014-10-02 14:08:28 -03001606 ctx->cvd = to_coda_video_device(vdev);
1607 ctx->inst_type = ctx->cvd->type;
1608 ctx->ops = ctx->cvd->ops;
Philipp Zabela22496c2015-01-23 13:51:33 -03001609 ctx->use_bit = !ctx->cvd->direct;
Philipp Zabel32b6f202014-07-11 06:36:20 -03001610 init_completion(&ctx->completion);
1611 INIT_WORK(&ctx->pic_run_work, coda_pic_run_work);
Philipp Zabel747d7642015-01-23 13:51:31 -03001612 if (ctx->ops->seq_end_work)
1613 INIT_WORK(&ctx->seq_end_work, ctx->ops->seq_end_work);
Javier Martin186b2502012-07-26 05:53:35 -03001614 v4l2_fh_init(&ctx->fh, video_devdata(file));
1615 file->private_data = &ctx->fh;
1616 v4l2_fh_add(&ctx->fh);
1617 ctx->dev = dev;
Philipp Zabele11f3e62012-07-25 09:16:58 -03001618 ctx->idx = idx;
Philipp Zabel5677e3b2013-06-21 03:55:30 -03001619 switch (dev->devtype->product) {
Philipp Zabel89548442014-07-11 06:36:17 -03001620 case CODA_960:
Philipp Zabel2bf299c2014-09-29 09:53:46 -03001621 ctx->frame_mem_ctrl = 1 << 12;
1622 /* fallthrough */
1623 case CODA_7541:
Philipp Zabel5677e3b2013-06-21 03:55:30 -03001624 ctx->reg_idx = 0;
1625 break;
1626 default:
1627 ctx->reg_idx = idx;
1628 }
Fabio Estevamf82bc202013-08-21 11:14:16 -03001629
Philipp Zabel1e172732014-07-11 06:36:23 -03001630 /* Power up and upload firmware if necessary */
1631 ret = pm_runtime_get_sync(&dev->plat_dev->dev);
1632 if (ret < 0) {
1633 v4l2_err(&dev->v4l2_dev, "failed to power up: %d\n", ret);
1634 goto err_pm_get;
1635 }
1636
Fabio Estevam79830db2013-08-21 11:14:17 -03001637 ret = clk_prepare_enable(dev->clk_per);
1638 if (ret)
1639 goto err_clk_per;
1640
1641 ret = clk_prepare_enable(dev->clk_ahb);
1642 if (ret)
1643 goto err_clk_ahb;
1644
Javier Martin186b2502012-07-26 05:53:35 -03001645 set_default_params(ctx);
Philipp Zabela1192a12014-07-23 12:28:40 -03001646 ctx->fh.m2m_ctx = v4l2_m2m_ctx_init(dev->m2m_dev, ctx,
1647 ctx->ops->queue_init);
Philipp Zabel14604e32014-07-11 06:36:22 -03001648 if (IS_ERR(ctx->fh.m2m_ctx)) {
1649 ret = PTR_ERR(ctx->fh.m2m_ctx);
Javier Martin186b2502012-07-26 05:53:35 -03001650
1651 v4l2_err(&dev->v4l2_dev, "%s return error (%d)\n",
1652 __func__, ret);
Fabio Estevamf82bc202013-08-21 11:14:16 -03001653 goto err_ctx_init;
Javier Martin186b2502012-07-26 05:53:35 -03001654 }
Philipp Zabel152ea1c2014-07-11 06:36:21 -03001655
Javier Martin186b2502012-07-26 05:53:35 -03001656 ret = coda_ctrls_setup(ctx);
1657 if (ret) {
1658 v4l2_err(&dev->v4l2_dev, "failed to setup coda controls\n");
Fabio Estevamf82bc202013-08-21 11:14:16 -03001659 goto err_ctrls_setup;
Javier Martin186b2502012-07-26 05:53:35 -03001660 }
1661
1662 ctx->fh.ctrl_handler = &ctx->ctrls;
1663
Philipp Zabel9082a7c2013-06-21 03:55:31 -03001664 mutex_init(&ctx->bitstream_mutex);
Philipp Zabel918c66f2013-06-27 06:59:01 -03001665 mutex_init(&ctx->buffer_mutex);
Philipp Zabel7cbb1052014-10-02 14:08:32 -03001666 INIT_LIST_HEAD(&ctx->buffer_meta_list);
Philipp Zabel9082a7c2013-06-21 03:55:31 -03001667
Javier Martin186b2502012-07-26 05:53:35 -03001668 coda_lock(ctx);
Philipp Zabele11f3e62012-07-25 09:16:58 -03001669 list_add(&ctx->list, &dev->instances);
Javier Martin186b2502012-07-26 05:53:35 -03001670 coda_unlock(ctx);
1671
Javier Martin186b2502012-07-26 05:53:35 -03001672 v4l2_dbg(1, coda_debug, &dev->v4l2_dev, "Created instance %d (%p)\n",
1673 ctx->idx, ctx);
1674
1675 return 0;
1676
Fabio Estevamf82bc202013-08-21 11:14:16 -03001677err_ctrls_setup:
Philipp Zabel14604e32014-07-11 06:36:22 -03001678 v4l2_m2m_ctx_release(ctx->fh.m2m_ctx);
Fabio Estevamf82bc202013-08-21 11:14:16 -03001679err_ctx_init:
1680 clk_disable_unprepare(dev->clk_ahb);
Fabio Estevam79830db2013-08-21 11:14:17 -03001681err_clk_ahb:
Fabio Estevamf82bc202013-08-21 11:14:16 -03001682 clk_disable_unprepare(dev->clk_per);
Fabio Estevam79830db2013-08-21 11:14:17 -03001683err_clk_per:
Philipp Zabel1e172732014-07-11 06:36:23 -03001684 pm_runtime_put_sync(&dev->plat_dev->dev);
1685err_pm_get:
Javier Martin186b2502012-07-26 05:53:35 -03001686 v4l2_fh_del(&ctx->fh);
1687 v4l2_fh_exit(&ctx->fh);
Fabio Estevamf82bc202013-08-21 11:14:16 -03001688 clear_bit(ctx->idx, &dev->instance_mask);
Peter Seiderera7f933a2015-03-24 14:30:47 -03001689err_coda_name_init:
Fabio Estevamf82bc202013-08-21 11:14:16 -03001690err_coda_max:
Javier Martin186b2502012-07-26 05:53:35 -03001691 kfree(ctx);
1692 return ret;
1693}
1694
1695static int coda_release(struct file *file)
1696{
1697 struct coda_dev *dev = video_drvdata(file);
1698 struct coda_ctx *ctx = fh_to_ctx(file->private_data);
1699
1700 v4l2_dbg(1, coda_debug, &dev->v4l2_dev, "Releasing instance %p\n",
1701 ctx);
1702
Philipp Zabela22496c2015-01-23 13:51:33 -03001703 if (ctx->inst_type == CODA_INST_DECODER && ctx->use_bit)
Philipp Zabeld4bb75f2014-10-08 13:09:11 -03001704 coda_bit_stream_end_flag(ctx);
1705
Philipp Zabel918c66f2013-06-27 06:59:01 -03001706 /* If this instance is running, call .job_abort and wait for it to end */
Philipp Zabel14604e32014-07-11 06:36:22 -03001707 v4l2_m2m_ctx_release(ctx->fh.m2m_ctx);
Philipp Zabel918c66f2013-06-27 06:59:01 -03001708
1709 /* In case the instance was not running, we still need to call SEQ_END */
Philipp Zabel5c718bb2015-07-09 07:10:16 -03001710 if (ctx->ops->seq_end_work) {
Philipp Zabel32b6f202014-07-11 06:36:20 -03001711 queue_work(dev->workqueue, &ctx->seq_end_work);
1712 flush_work(&ctx->seq_end_work);
Philipp Zabel918c66f2013-06-27 06:59:01 -03001713 }
Philipp Zabel918c66f2013-06-27 06:59:01 -03001714
Javier Martin186b2502012-07-26 05:53:35 -03001715 coda_lock(ctx);
Philipp Zabele11f3e62012-07-25 09:16:58 -03001716 list_del(&ctx->list);
Javier Martin186b2502012-07-26 05:53:35 -03001717 coda_unlock(ctx);
1718
Philipp Zabel5677e3b2013-06-21 03:55:30 -03001719 if (ctx->dev->devtype->product == CODA_DX6)
1720 coda_free_aux_buf(dev, &ctx->workbuf);
1721
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);
Philipp Zabele1519e82015-01-23 13:51:17 -03001731 debugfs_remove_recursive(ctx->debugfs_entry);
Javier Martin186b2502012-07-26 05:53:35 -03001732 kfree(ctx);
1733
1734 return 0;
1735}
1736
Philipp Zabel2c11d1b2014-10-02 14:08:28 -03001737static const struct v4l2_file_operations coda_fops = {
Javier Martin186b2502012-07-26 05:53:35 -03001738 .owner = THIS_MODULE,
Philipp Zabel2c11d1b2014-10-02 14:08:28 -03001739 .open = coda_open,
Javier Martin186b2502012-07-26 05:53:35 -03001740 .release = coda_release,
Philipp Zabel152ea1c2014-07-11 06:36:21 -03001741 .poll = v4l2_m2m_fop_poll,
Javier Martin186b2502012-07-26 05:53:35 -03001742 .unlocked_ioctl = video_ioctl2,
Philipp Zabel152ea1c2014-07-11 06:36:21 -03001743 .mmap = v4l2_m2m_fop_mmap,
Javier Martin186b2502012-07-26 05:53:35 -03001744};
1745
Philipp Zabel87048bb2012-07-02 07:03:43 -03001746static int coda_hw_init(struct coda_dev *dev)
Javier Martin186b2502012-07-26 05:53:35 -03001747{
Javier Martin186b2502012-07-26 05:53:35 -03001748 u32 data;
1749 u16 *p;
Fabio Estevam79830db2013-08-21 11:14:17 -03001750 int i, ret;
Javier Martin186b2502012-07-26 05:53:35 -03001751
Fabio Estevam79830db2013-08-21 11:14:17 -03001752 ret = clk_prepare_enable(dev->clk_per);
1753 if (ret)
Philipp Zabel1e172732014-07-11 06:36:23 -03001754 goto err_clk_per;
Fabio Estevam79830db2013-08-21 11:14:17 -03001755
1756 ret = clk_prepare_enable(dev->clk_ahb);
1757 if (ret)
1758 goto err_clk_ahb;
Javier Martin186b2502012-07-26 05:53:35 -03001759
Philipp Zabel8f452842014-07-11 06:36:35 -03001760 if (dev->rstc)
1761 reset_control_reset(dev->rstc);
1762
Javier Martin186b2502012-07-26 05:53:35 -03001763 /*
1764 * Copy the first CODA_ISRAM_SIZE in the internal SRAM.
Philipp Zabel87048bb2012-07-02 07:03:43 -03001765 * The 16-bit chars in the code buffer are in memory access
1766 * order, re-sort them to CODA order for register download.
Javier Martin186b2502012-07-26 05:53:35 -03001767 * Data in this SRAM survives a reboot.
1768 */
Philipp Zabel87048bb2012-07-02 07:03:43 -03001769 p = (u16 *)dev->codebuf.vaddr;
1770 if (dev->devtype->product == CODA_DX6) {
1771 for (i = 0; i < (CODA_ISRAM_SIZE / 2); i++) {
1772 data = CODA_DOWN_ADDRESS_SET(i) |
1773 CODA_DOWN_DATA_SET(p[i ^ 1]);
1774 coda_write(dev, data, CODA_REG_BIT_CODE_DOWN);
1775 }
1776 } else {
1777 for (i = 0; i < (CODA_ISRAM_SIZE / 2); i++) {
1778 data = CODA_DOWN_ADDRESS_SET(i) |
1779 CODA_DOWN_DATA_SET(p[round_down(i, 4) +
1780 3 - (i % 4)]);
1781 coda_write(dev, data, CODA_REG_BIT_CODE_DOWN);
1782 }
Javier Martin186b2502012-07-26 05:53:35 -03001783 }
Javier Martin186b2502012-07-26 05:53:35 -03001784
Philipp Zabel9acf7692013-05-23 10:42:56 -03001785 /* Clear registers */
1786 for (i = 0; i < 64; i++)
1787 coda_write(dev, 0, CODA_REG_BIT_CODE_BUF_ADDR + i * 4);
1788
Javier Martin186b2502012-07-26 05:53:35 -03001789 /* Tell the BIT where to find everything it needs */
Philipp Zabel89548442014-07-11 06:36:17 -03001790 if (dev->devtype->product == CODA_960 ||
1791 dev->devtype->product == CODA_7541) {
Philipp Zabel5677e3b2013-06-21 03:55:30 -03001792 coda_write(dev, dev->tempbuf.paddr,
1793 CODA_REG_BIT_TEMP_BUF_ADDR);
Philipp Zabel918c66f2013-06-27 06:59:01 -03001794 coda_write(dev, 0, CODA_REG_BIT_BIT_STREAM_PARAM);
Philipp Zabel5677e3b2013-06-21 03:55:30 -03001795 } else {
1796 coda_write(dev, dev->workbuf.paddr,
1797 CODA_REG_BIT_WORK_BUF_ADDR);
1798 }
Javier Martin186b2502012-07-26 05:53:35 -03001799 coda_write(dev, dev->codebuf.paddr,
1800 CODA_REG_BIT_CODE_BUF_ADDR);
1801 coda_write(dev, 0, CODA_REG_BIT_CODE_RUN);
1802
1803 /* Set default values */
1804 switch (dev->devtype->product) {
1805 case CODA_DX6:
Philipp Zabelf23797b2014-08-06 08:02:23 -03001806 coda_write(dev, CODADX6_STREAM_BUF_PIC_FLUSH,
1807 CODA_REG_BIT_STREAM_CTRL);
Javier Martin186b2502012-07-26 05:53:35 -03001808 break;
1809 default:
Philipp Zabelf23797b2014-08-06 08:02:23 -03001810 coda_write(dev, CODA7_STREAM_BUF_PIC_FLUSH,
1811 CODA_REG_BIT_STREAM_CTRL);
Javier Martin186b2502012-07-26 05:53:35 -03001812 }
Philipp Zabel89548442014-07-11 06:36:17 -03001813 if (dev->devtype->product == CODA_960)
1814 coda_write(dev, 1 << 12, CODA_REG_BIT_FRAME_MEM_CTRL);
1815 else
1816 coda_write(dev, 0, CODA_REG_BIT_FRAME_MEM_CTRL);
Philipp Zabel10436672012-07-02 09:03:55 -03001817
1818 if (dev->devtype->product != CODA_DX6)
1819 coda_write(dev, 0, CODA7_REG_BIT_AXI_SRAM_USE);
1820
Javier Martin186b2502012-07-26 05:53:35 -03001821 coda_write(dev, CODA_INT_INTERRUPT_ENABLE,
1822 CODA_REG_BIT_INT_ENABLE);
1823
1824 /* Reset VPU and start processor */
1825 data = coda_read(dev, CODA_REG_BIT_CODE_RESET);
1826 data |= CODA_REG_RESET_ENABLE;
1827 coda_write(dev, data, CODA_REG_BIT_CODE_RESET);
1828 udelay(10);
1829 data &= ~CODA_REG_RESET_ENABLE;
1830 coda_write(dev, data, CODA_REG_BIT_CODE_RESET);
1831 coda_write(dev, CODA_REG_RUN_ENABLE, CODA_REG_BIT_CODE_RUN);
1832
Philipp Zabelfe7554e2014-07-11 06:36:24 -03001833 clk_disable_unprepare(dev->clk_ahb);
1834 clk_disable_unprepare(dev->clk_per);
1835
1836 return 0;
1837
1838err_clk_ahb:
1839 clk_disable_unprepare(dev->clk_per);
1840err_clk_per:
1841 return ret;
1842}
1843
Philipp Zabel2c11d1b2014-10-02 14:08:28 -03001844static int coda_register_device(struct coda_dev *dev, int i)
Philipp Zabel121cacf2014-07-18 07:22:42 -03001845{
Philipp Zabel2c11d1b2014-10-02 14:08:28 -03001846 struct video_device *vfd = &dev->vfd[i];
1847
Dan Carpenter88ca3af2015-01-08 07:07:08 -03001848 if (i >= dev->devtype->num_vdevs)
Philipp Zabel2c11d1b2014-10-02 14:08:28 -03001849 return -EINVAL;
1850
Philipp Zabelbf249da2015-03-24 14:30:50 -03001851 strlcpy(vfd->name, dev->devtype->vdevs[i]->name, sizeof(vfd->name));
Philipp Zabel2c11d1b2014-10-02 14:08:28 -03001852 vfd->fops = &coda_fops;
1853 vfd->ioctl_ops = &coda_ioctl_ops;
Philipp Zabel121cacf2014-07-18 07:22:42 -03001854 vfd->release = video_device_release_empty,
1855 vfd->lock = &dev->dev_mutex;
1856 vfd->v4l2_dev = &dev->v4l2_dev;
1857 vfd->vfl_dir = VFL_DIR_M2M;
1858 video_set_drvdata(vfd, dev);
1859
Philipp Zabela188a662014-08-05 14:00:20 -03001860 /* Not applicable, use the selection API instead */
1861 v4l2_disable_ioctl(vfd, VIDIOC_CROPCAP);
1862 v4l2_disable_ioctl(vfd, VIDIOC_G_CROP);
1863 v4l2_disable_ioctl(vfd, VIDIOC_S_CROP);
1864
Philipp Zabel121cacf2014-07-18 07:22:42 -03001865 return video_register_device(vfd, VFL_TYPE_GRABBER, 0);
1866}
1867
Javier Martin186b2502012-07-26 05:53:35 -03001868static void coda_fw_callback(const struct firmware *fw, void *context)
1869{
1870 struct coda_dev *dev = context;
1871 struct platform_device *pdev = dev->plat_dev;
Philipp Zabel2c11d1b2014-10-02 14:08:28 -03001872 int i, ret;
Javier Martin186b2502012-07-26 05:53:35 -03001873
1874 if (!fw) {
1875 v4l2_err(&dev->v4l2_dev, "firmware request failed\n");
Ulf Hanssonc5d28e22014-09-22 13:05:56 -03001876 goto put_pm;
Javier Martin186b2502012-07-26 05:53:35 -03001877 }
1878
1879 /* allocate auxiliary per-device code buffer for the BIT processor */
Philipp Zabelf61c0b12014-07-11 06:36:40 -03001880 ret = coda_alloc_aux_buf(dev, &dev->codebuf, fw->size, "codebuf",
1881 dev->debugfs_root);
Philipp Zabel6ba53b82015-03-24 14:30:54 -03001882 if (ret < 0)
Ulf Hanssonc5d28e22014-09-22 13:05:56 -03001883 goto put_pm;
Javier Martin186b2502012-07-26 05:53:35 -03001884
Philipp Zabel87048bb2012-07-02 07:03:43 -03001885 /* Copy the whole firmware image to the code buffer */
1886 memcpy(dev->codebuf.vaddr, fw->data, fw->size);
1887 release_firmware(fw);
1888
Ulf Hanssonc5d28e22014-09-22 13:05:56 -03001889 ret = coda_hw_init(dev);
1890 if (ret < 0) {
1891 v4l2_err(&dev->v4l2_dev, "HW initialization failed\n");
1892 goto put_pm;
Javier Martin186b2502012-07-26 05:53:35 -03001893 }
1894
Ulf Hanssonc5d28e22014-09-22 13:05:56 -03001895 ret = coda_check_firmware(dev);
1896 if (ret < 0)
1897 goto put_pm;
1898
Javier Martin186b2502012-07-26 05:53:35 -03001899 dev->alloc_ctx = vb2_dma_contig_init_ctx(&pdev->dev);
1900 if (IS_ERR(dev->alloc_ctx)) {
1901 v4l2_err(&dev->v4l2_dev, "Failed to alloc vb2 context\n");
Ulf Hanssonc5d28e22014-09-22 13:05:56 -03001902 goto put_pm;
Javier Martin186b2502012-07-26 05:53:35 -03001903 }
1904
1905 dev->m2m_dev = v4l2_m2m_init(&coda_m2m_ops);
1906 if (IS_ERR(dev->m2m_dev)) {
1907 v4l2_err(&dev->v4l2_dev, "Failed to init mem2mem device\n");
1908 goto rel_ctx;
1909 }
1910
Philipp Zabel2c11d1b2014-10-02 14:08:28 -03001911 for (i = 0; i < dev->devtype->num_vdevs; i++) {
1912 ret = coda_register_device(dev, i);
1913 if (ret) {
1914 v4l2_err(&dev->v4l2_dev,
1915 "Failed to register %s video device: %d\n",
1916 dev->devtype->vdevs[i]->name, ret);
1917 goto rel_vfd;
1918 }
Philipp Zabel121cacf2014-07-18 07:22:42 -03001919 }
1920
1921 v4l2_info(&dev->v4l2_dev, "codec registered as /dev/video[%d-%d]\n",
Philipp Zabel2c11d1b2014-10-02 14:08:28 -03001922 dev->vfd[0].num, dev->vfd[i - 1].num);
Javier Martin186b2502012-07-26 05:53:35 -03001923
Ulf Hanssonc5d28e22014-09-22 13:05:56 -03001924 pm_runtime_put_sync(&pdev->dev);
Javier Martin186b2502012-07-26 05:53:35 -03001925 return;
1926
Philipp Zabel2c11d1b2014-10-02 14:08:28 -03001927rel_vfd:
1928 while (--i >= 0)
1929 video_unregister_device(&dev->vfd[i]);
Javier Martin186b2502012-07-26 05:53:35 -03001930 v4l2_m2m_release(dev->m2m_dev);
1931rel_ctx:
1932 vb2_dma_contig_cleanup_ctx(dev->alloc_ctx);
Ulf Hanssonc5d28e22014-09-22 13:05:56 -03001933put_pm:
1934 pm_runtime_put_sync(&pdev->dev);
Javier Martin186b2502012-07-26 05:53:35 -03001935}
1936
1937static int coda_firmware_request(struct coda_dev *dev)
1938{
1939 char *fw = dev->devtype->firmware;
1940
1941 dev_dbg(&dev->plat_dev->dev, "requesting firmware '%s' for %s\n", fw,
1942 coda_product_name(dev->devtype->product));
1943
1944 return request_firmware_nowait(THIS_MODULE, true,
1945 fw, &dev->plat_dev->dev, GFP_KERNEL, dev, coda_fw_callback);
1946}
1947
1948enum coda_platform {
1949 CODA_IMX27,
Philipp Zabeldf1e74c2012-07-02 06:07:10 -03001950 CODA_IMX53,
Philipp Zabel89548442014-07-11 06:36:17 -03001951 CODA_IMX6Q,
1952 CODA_IMX6DL,
Javier Martin186b2502012-07-26 05:53:35 -03001953};
1954
Emil Goodec06d8752012-08-14 17:44:42 -03001955static const struct coda_devtype coda_devdata[] = {
Javier Martin186b2502012-07-26 05:53:35 -03001956 [CODA_IMX27] = {
Philipp Zabele5b0d1c2014-07-11 06:36:41 -03001957 .firmware = "v4l-codadx6-imx27.bin",
1958 .product = CODA_DX6,
1959 .codecs = codadx6_codecs,
1960 .num_codecs = ARRAY_SIZE(codadx6_codecs),
Philipp Zabel2c11d1b2014-10-02 14:08:28 -03001961 .vdevs = codadx6_video_devices,
1962 .num_vdevs = ARRAY_SIZE(codadx6_video_devices),
Philipp Zabele5b0d1c2014-07-11 06:36:41 -03001963 .workbuf_size = 288 * 1024 + FMO_SLICE_SAVE_BUF_SIZE * 8 * 1024,
Philipp Zabel401e9722014-07-11 06:36:43 -03001964 .iram_size = 0xb000,
Javier Martin186b2502012-07-26 05:53:35 -03001965 },
Philipp Zabeldf1e74c2012-07-02 06:07:10 -03001966 [CODA_IMX53] = {
Philipp Zabele5b0d1c2014-07-11 06:36:41 -03001967 .firmware = "v4l-coda7541-imx53.bin",
1968 .product = CODA_7541,
1969 .codecs = coda7_codecs,
1970 .num_codecs = ARRAY_SIZE(coda7_codecs),
Philipp Zabel2c11d1b2014-10-02 14:08:28 -03001971 .vdevs = coda7_video_devices,
1972 .num_vdevs = ARRAY_SIZE(coda7_video_devices),
Philipp Zabele5b0d1c2014-07-11 06:36:41 -03001973 .workbuf_size = 128 * 1024,
Philipp Zabel5d73fad2014-07-11 06:36:42 -03001974 .tempbuf_size = 304 * 1024,
Philipp Zabel401e9722014-07-11 06:36:43 -03001975 .iram_size = 0x14000,
Philipp Zabeldf1e74c2012-07-02 06:07:10 -03001976 },
Philipp Zabel89548442014-07-11 06:36:17 -03001977 [CODA_IMX6Q] = {
Philipp Zabele5b0d1c2014-07-11 06:36:41 -03001978 .firmware = "v4l-coda960-imx6q.bin",
1979 .product = CODA_960,
1980 .codecs = coda9_codecs,
1981 .num_codecs = ARRAY_SIZE(coda9_codecs),
Philipp Zabel2c11d1b2014-10-02 14:08:28 -03001982 .vdevs = coda9_video_devices,
1983 .num_vdevs = ARRAY_SIZE(coda9_video_devices),
Philipp Zabele5b0d1c2014-07-11 06:36:41 -03001984 .workbuf_size = 80 * 1024,
Philipp Zabel5d73fad2014-07-11 06:36:42 -03001985 .tempbuf_size = 204 * 1024,
Philipp Zabel401e9722014-07-11 06:36:43 -03001986 .iram_size = 0x21000,
Philipp Zabel89548442014-07-11 06:36:17 -03001987 },
1988 [CODA_IMX6DL] = {
Philipp Zabele5b0d1c2014-07-11 06:36:41 -03001989 .firmware = "v4l-coda960-imx6dl.bin",
1990 .product = CODA_960,
1991 .codecs = coda9_codecs,
1992 .num_codecs = ARRAY_SIZE(coda9_codecs),
Philipp Zabel2c11d1b2014-10-02 14:08:28 -03001993 .vdevs = coda9_video_devices,
1994 .num_vdevs = ARRAY_SIZE(coda9_video_devices),
Philipp Zabele5b0d1c2014-07-11 06:36:41 -03001995 .workbuf_size = 80 * 1024,
Philipp Zabel5d73fad2014-07-11 06:36:42 -03001996 .tempbuf_size = 204 * 1024,
Philipp Zabel401e9722014-07-11 06:36:43 -03001997 .iram_size = 0x20000,
Philipp Zabel89548442014-07-11 06:36:17 -03001998 },
Javier Martin186b2502012-07-26 05:53:35 -03001999};
2000
2001static struct platform_device_id coda_platform_ids[] = {
2002 { .name = "coda-imx27", .driver_data = CODA_IMX27 },
2003 { /* sentinel */ }
2004};
2005MODULE_DEVICE_TABLE(platform, coda_platform_ids);
2006
2007#ifdef CONFIG_OF
2008static const struct of_device_id coda_dt_ids[] = {
Alexander Shiyan7b0dd9e2013-06-15 08:09:57 -03002009 { .compatible = "fsl,imx27-vpu", .data = &coda_devdata[CODA_IMX27] },
Philipp Zabeldf1e74c2012-07-02 06:07:10 -03002010 { .compatible = "fsl,imx53-vpu", .data = &coda_devdata[CODA_IMX53] },
Philipp Zabel89548442014-07-11 06:36:17 -03002011 { .compatible = "fsl,imx6q-vpu", .data = &coda_devdata[CODA_IMX6Q] },
2012 { .compatible = "fsl,imx6dl-vpu", .data = &coda_devdata[CODA_IMX6DL] },
Javier Martin186b2502012-07-26 05:53:35 -03002013 { /* sentinel */ }
2014};
2015MODULE_DEVICE_TABLE(of, coda_dt_ids);
2016#endif
2017
Greg Kroah-Hartman4c62e972012-12-21 13:17:53 -08002018static int coda_probe(struct platform_device *pdev)
Javier Martin186b2502012-07-26 05:53:35 -03002019{
2020 const struct of_device_id *of_id =
2021 of_match_device(of_match_ptr(coda_dt_ids), &pdev->dev);
2022 const struct platform_device_id *pdev_id;
Philipp Zabel657eee72013-04-29 16:17:14 -07002023 struct coda_platform_data *pdata = pdev->dev.platform_data;
2024 struct device_node *np = pdev->dev.of_node;
2025 struct gen_pool *pool;
Javier Martin186b2502012-07-26 05:53:35 -03002026 struct coda_dev *dev;
2027 struct resource *res;
2028 int ret, irq;
2029
Philipp Zabelf23797b2014-08-06 08:02:23 -03002030 dev = devm_kzalloc(&pdev->dev, sizeof(*dev), GFP_KERNEL);
Philipp Zabel6da999d2014-09-29 09:53:43 -03002031 if (!dev)
Javier Martin186b2502012-07-26 05:53:35 -03002032 return -ENOMEM;
Javier Martin186b2502012-07-26 05:53:35 -03002033
Philipp Zabelb2f91ae2014-10-02 14:08:27 -03002034 pdev_id = of_id ? of_id->data : platform_get_device_id(pdev);
2035
Fabio Estevamb7bd6602014-10-04 16:40:50 -03002036 if (of_id) {
Philipp Zabelb2f91ae2014-10-02 14:08:27 -03002037 dev->devtype = of_id->data;
Fabio Estevamb7bd6602014-10-04 16:40:50 -03002038 } else if (pdev_id) {
Philipp Zabelb2f91ae2014-10-02 14:08:27 -03002039 dev->devtype = &coda_devdata[pdev_id->driver_data];
Fabio Estevamb7bd6602014-10-04 16:40:50 -03002040 } else {
2041 ret = -EINVAL;
2042 goto err_v4l2_register;
Javier Martin186b2502012-07-26 05:53:35 -03002043 }
2044
2045 spin_lock_init(&dev->irqlock);
Philipp Zabele11f3e62012-07-25 09:16:58 -03002046 INIT_LIST_HEAD(&dev->instances);
Javier Martin186b2502012-07-26 05:53:35 -03002047
2048 dev->plat_dev = pdev;
2049 dev->clk_per = devm_clk_get(&pdev->dev, "per");
2050 if (IS_ERR(dev->clk_per)) {
2051 dev_err(&pdev->dev, "Could not get per clock\n");
2052 return PTR_ERR(dev->clk_per);
2053 }
2054
2055 dev->clk_ahb = devm_clk_get(&pdev->dev, "ahb");
2056 if (IS_ERR(dev->clk_ahb)) {
2057 dev_err(&pdev->dev, "Could not get ahb clock\n");
2058 return PTR_ERR(dev->clk_ahb);
2059 }
2060
2061 /* Get memory for physical registers */
2062 res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
Philipp Zabel611cbbf2013-05-21 04:19:27 -03002063 dev->regs_base = devm_ioremap_resource(&pdev->dev, res);
2064 if (IS_ERR(dev->regs_base))
2065 return PTR_ERR(dev->regs_base);
Javier Martin186b2502012-07-26 05:53:35 -03002066
2067 /* IRQ */
Philipp Zabel540b72e2014-08-05 14:00:09 -03002068 irq = platform_get_irq_byname(pdev, "bit");
2069 if (irq < 0)
2070 irq = platform_get_irq(pdev, 0);
Javier Martin186b2502012-07-26 05:53:35 -03002071 if (irq < 0) {
2072 dev_err(&pdev->dev, "failed to get irq resource\n");
Fabio Estevam7d377432014-06-04 15:46:23 -03002073 return irq;
Javier Martin186b2502012-07-26 05:53:35 -03002074 }
2075
Fabio Estevam08c8d142014-06-04 15:46:24 -03002076 ret = devm_request_threaded_irq(&pdev->dev, irq, NULL, coda_irq_handler,
2077 IRQF_ONESHOT, dev_name(&pdev->dev), dev);
2078 if (ret < 0) {
2079 dev_err(&pdev->dev, "failed to request irq: %d\n", ret);
2080 return ret;
Javier Martin186b2502012-07-26 05:53:35 -03002081 }
2082
Philipp Zabelee27aa92014-07-24 16:50:03 -03002083 dev->rstc = devm_reset_control_get_optional(&pdev->dev, NULL);
Philipp Zabel8f452842014-07-11 06:36:35 -03002084 if (IS_ERR(dev->rstc)) {
2085 ret = PTR_ERR(dev->rstc);
Philipp Zabelee27aa92014-07-24 16:50:03 -03002086 if (ret == -ENOENT || ret == -ENOSYS) {
Philipp Zabel8f452842014-07-11 06:36:35 -03002087 dev->rstc = NULL;
2088 } else {
Philipp Zabelf23797b2014-08-06 08:02:23 -03002089 dev_err(&pdev->dev, "failed get reset control: %d\n",
2090 ret);
Philipp Zabel8f452842014-07-11 06:36:35 -03002091 return ret;
2092 }
2093 }
2094
Philipp Zabel657eee72013-04-29 16:17:14 -07002095 /* Get IRAM pool from device tree or platform data */
Vladimir Zapolskiyabdd4a72015-06-30 15:00:07 -07002096 pool = of_gen_pool_get(np, "iram", 0);
Philipp Zabel657eee72013-04-29 16:17:14 -07002097 if (!pool && pdata)
Vladimir Zapolskiy0030edf2015-06-30 15:00:03 -07002098 pool = gen_pool_get(pdata->iram_dev);
Philipp Zabel657eee72013-04-29 16:17:14 -07002099 if (!pool) {
2100 dev_err(&pdev->dev, "iram pool not available\n");
2101 return -ENOMEM;
2102 }
2103 dev->iram_pool = pool;
2104
Javier Martin186b2502012-07-26 05:53:35 -03002105 ret = v4l2_device_register(&pdev->dev, &dev->v4l2_dev);
2106 if (ret)
2107 return ret;
2108
2109 mutex_init(&dev->dev_mutex);
Philipp Zabelfcb62822013-05-23 10:43:00 -03002110 mutex_init(&dev->coda_mutex);
Javier Martin186b2502012-07-26 05:53:35 -03002111
Philipp Zabelf61c0b12014-07-11 06:36:40 -03002112 dev->debugfs_root = debugfs_create_dir("coda", NULL);
2113 if (!dev->debugfs_root)
2114 dev_warn(&pdev->dev, "failed to create debugfs root\n");
2115
Javier Martin186b2502012-07-26 05:53:35 -03002116 /* allocate auxiliary per-device buffers for the BIT processor */
Philipp Zabel5d73fad2014-07-11 06:36:42 -03002117 if (dev->devtype->product == CODA_DX6) {
Philipp Zabel5677e3b2013-06-21 03:55:30 -03002118 ret = coda_alloc_aux_buf(dev, &dev->workbuf,
Philipp Zabele5b0d1c2014-07-11 06:36:41 -03002119 dev->devtype->workbuf_size, "workbuf",
Philipp Zabelf61c0b12014-07-11 06:36:40 -03002120 dev->debugfs_root);
Philipp Zabel6ba53b82015-03-24 14:30:54 -03002121 if (ret < 0)
Fabio Estevamb7bd6602014-10-04 16:40:50 -03002122 goto err_v4l2_register;
Javier Martin186b2502012-07-26 05:53:35 -03002123 }
Philipp Zabel5d73fad2014-07-11 06:36:42 -03002124
2125 if (dev->devtype->tempbuf_size) {
Philipp Zabel5677e3b2013-06-21 03:55:30 -03002126 ret = coda_alloc_aux_buf(dev, &dev->tempbuf,
Philipp Zabel5d73fad2014-07-11 06:36:42 -03002127 dev->devtype->tempbuf_size, "tempbuf",
Philipp Zabelf61c0b12014-07-11 06:36:40 -03002128 dev->debugfs_root);
Philipp Zabel6ba53b82015-03-24 14:30:54 -03002129 if (ret < 0)
Fabio Estevamb7bd6602014-10-04 16:40:50 -03002130 goto err_v4l2_register;
Javier Martin186b2502012-07-26 05:53:35 -03002131 }
2132
Philipp Zabel401e9722014-07-11 06:36:43 -03002133 dev->iram.size = dev->devtype->iram_size;
Philipp Zabelb313bcc2014-07-11 06:36:16 -03002134 dev->iram.vaddr = gen_pool_dma_alloc(dev->iram_pool, dev->iram.size,
2135 &dev->iram.paddr);
2136 if (!dev->iram.vaddr) {
Philipp Zabel8be31c82014-08-05 14:00:13 -03002137 dev_warn(&pdev->dev, "unable to alloc iram\n");
2138 } else {
Philipp Zabel811a6932015-01-23 13:51:23 -03002139 memset(dev->iram.vaddr, 0, dev->iram.size);
Philipp Zabel8be31c82014-08-05 14:00:13 -03002140 dev->iram.blob.data = dev->iram.vaddr;
2141 dev->iram.blob.size = dev->iram.size;
2142 dev->iram.dentry = debugfs_create_blob("iram", 0644,
2143 dev->debugfs_root,
2144 &dev->iram.blob);
Philipp Zabel10436672012-07-02 09:03:55 -03002145 }
2146
Philipp Zabel32b6f202014-07-11 06:36:20 -03002147 dev->workqueue = alloc_workqueue("coda", WQ_UNBOUND | WQ_MEM_RECLAIM, 1);
2148 if (!dev->workqueue) {
2149 dev_err(&pdev->dev, "unable to alloc workqueue\n");
Fabio Estevam74d08d52014-10-04 16:40:51 -03002150 ret = -ENOMEM;
2151 goto err_v4l2_register;
Philipp Zabel32b6f202014-07-11 06:36:20 -03002152 }
2153
Javier Martin186b2502012-07-26 05:53:35 -03002154 platform_set_drvdata(pdev, dev);
2155
Ulf Hanssonc5d28e22014-09-22 13:05:56 -03002156 /*
2157 * Start activated so we can directly call coda_hw_init in
Rafael J. Wysockie243c7c2014-12-04 01:10:10 +01002158 * coda_fw_callback regardless of whether CONFIG_PM is
Ulf Hanssonc5d28e22014-09-22 13:05:56 -03002159 * enabled or whether the device is associated with a PM domain.
2160 */
2161 pm_runtime_get_noresume(&pdev->dev);
2162 pm_runtime_set_active(&pdev->dev);
Philipp Zabel1e172732014-07-11 06:36:23 -03002163 pm_runtime_enable(&pdev->dev);
2164
Javier Martin186b2502012-07-26 05:53:35 -03002165 return coda_firmware_request(dev);
Fabio Estevamb7bd6602014-10-04 16:40:50 -03002166
2167err_v4l2_register:
2168 v4l2_device_unregister(&dev->v4l2_dev);
2169 return ret;
Javier Martin186b2502012-07-26 05:53:35 -03002170}
2171
2172static int coda_remove(struct platform_device *pdev)
2173{
2174 struct coda_dev *dev = platform_get_drvdata(pdev);
Philipp Zabel2c11d1b2014-10-02 14:08:28 -03002175 int i;
Javier Martin186b2502012-07-26 05:53:35 -03002176
Philipp Zabel2c11d1b2014-10-02 14:08:28 -03002177 for (i = 0; i < ARRAY_SIZE(dev->vfd); i++) {
2178 if (video_get_drvdata(&dev->vfd[i]))
2179 video_unregister_device(&dev->vfd[i]);
2180 }
Javier Martin186b2502012-07-26 05:53:35 -03002181 if (dev->m2m_dev)
2182 v4l2_m2m_release(dev->m2m_dev);
Philipp Zabel1e172732014-07-11 06:36:23 -03002183 pm_runtime_disable(&pdev->dev);
Javier Martin186b2502012-07-26 05:53:35 -03002184 if (dev->alloc_ctx)
2185 vb2_dma_contig_cleanup_ctx(dev->alloc_ctx);
2186 v4l2_device_unregister(&dev->v4l2_dev);
Philipp Zabel32b6f202014-07-11 06:36:20 -03002187 destroy_workqueue(dev->workqueue);
Philipp Zabelb313bcc2014-07-11 06:36:16 -03002188 if (dev->iram.vaddr)
2189 gen_pool_free(dev->iram_pool, (unsigned long)dev->iram.vaddr,
2190 dev->iram.size);
Philipp Zabel5677e3b2013-06-21 03:55:30 -03002191 coda_free_aux_buf(dev, &dev->codebuf);
2192 coda_free_aux_buf(dev, &dev->tempbuf);
2193 coda_free_aux_buf(dev, &dev->workbuf);
Philipp Zabelf61c0b12014-07-11 06:36:40 -03002194 debugfs_remove_recursive(dev->debugfs_root);
Javier Martin186b2502012-07-26 05:53:35 -03002195 return 0;
2196}
2197
Rafael J. Wysockie243c7c2014-12-04 01:10:10 +01002198#ifdef CONFIG_PM
Philipp Zabel1e172732014-07-11 06:36:23 -03002199static int coda_runtime_resume(struct device *dev)
2200{
2201 struct coda_dev *cdev = dev_get_drvdata(dev);
2202 int ret = 0;
2203
Philipp Zabel65919e62014-07-18 07:22:36 -03002204 if (dev->pm_domain && cdev->codebuf.vaddr) {
Philipp Zabel1e172732014-07-11 06:36:23 -03002205 ret = coda_hw_init(cdev);
2206 if (ret)
2207 v4l2_err(&cdev->v4l2_dev, "HW initialization failed\n");
2208 }
2209
2210 return ret;
2211}
2212#endif
2213
2214static const struct dev_pm_ops coda_pm_ops = {
2215 SET_RUNTIME_PM_OPS(NULL, coda_runtime_resume, NULL)
2216};
2217
Javier Martin186b2502012-07-26 05:53:35 -03002218static struct platform_driver coda_driver = {
2219 .probe = coda_probe,
Greg Kroah-Hartman4c62e972012-12-21 13:17:53 -08002220 .remove = coda_remove,
Javier Martin186b2502012-07-26 05:53:35 -03002221 .driver = {
2222 .name = CODA_NAME,
Javier Martin186b2502012-07-26 05:53:35 -03002223 .of_match_table = of_match_ptr(coda_dt_ids),
Philipp Zabel1e172732014-07-11 06:36:23 -03002224 .pm = &coda_pm_ops,
Javier Martin186b2502012-07-26 05:53:35 -03002225 },
2226 .id_table = coda_platform_ids,
2227};
2228
2229module_platform_driver(coda_driver);
2230
2231MODULE_LICENSE("GPL");
2232MODULE_AUTHOR("Javier Martin <javier.martin@vista-silicon.com>");
2233MODULE_DESCRIPTION("Coda multi-standard codec V4L2 driver");