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gerrit-public.fairphone.software / kernel / msm-5.4 / eb107516ed60dfcec25218e1becf66bb91eafe87 / . / drivers / media / platform / coda.c
blob: 945c5395179101bc622f42a051d5d5f86078e3ed [file] [log] [blame]
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1/*
2 * Coda multi-standard codec IP
3 *
4 * Copyright (C) 2012 Vista Silicon S.L.
5 * Javier Martin, <javier.martin@vista-silicon.com>
6 * Xavier Duret
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 */
13
14#include <linux/clk.h>
15#include <linux/delay.h>
16#include <linux/firmware.h>
Philipp Zabel657eee72013-04-29 16:17:14 -0700[diff] [blame]17#include <linux/genalloc.h>
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]18#include <linux/interrupt.h>
19#include <linux/io.h>
20#include <linux/irq.h>
Philipp Zabel9082a7c2013-06-21 03:55:31 -0300[diff] [blame]21#include <linux/kfifo.h>
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]22#include <linux/module.h>
23#include <linux/of_device.h>
24#include <linux/platform_device.h>
25#include <linux/slab.h>
26#include <linux/videodev2.h>
27#include <linux/of.h>
Philipp Zabel657eee72013-04-29 16:17:14 -0700[diff] [blame]28#include <linux/platform_data/coda.h>
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]29
30#include <media/v4l2-ctrls.h>
31#include <media/v4l2-device.h>
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]32#include <media/v4l2-event.h>
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]33#include <media/v4l2-ioctl.h>
34#include <media/v4l2-mem2mem.h>
35#include <media/videobuf2-core.h>
36#include <media/videobuf2-dma-contig.h>
37
38#include "coda.h"
39
40#define CODA_NAME "coda"
41
Philipp Zabel0cddc7e2013-09-30 10:34:44 -0300[diff] [blame]42#define CODADX6_MAX_INSTANCES 4
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]43
44#define CODA_FMO_BUF_SIZE 32
45#define CODADX6_WORK_BUF_SIZE (288 * 1024 + CODA_FMO_BUF_SIZE * 8 * 1024)
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]46#define CODA7_WORK_BUF_SIZE (128 * 1024)
47#define CODA7_TEMP_BUF_SIZE (304 * 1024)
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]48#define CODA_PARA_BUF_SIZE (10 * 1024)
49#define CODA_ISRAM_SIZE (2048 * 2)
Philipp Zabel657eee72013-04-29 16:17:14 -0700[diff] [blame]50#define CODADX6_IRAM_SIZE 0xb000
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]51#define CODA7_IRAM_SIZE 0x14000
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]52
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]53#define CODA7_PS_BUF_SIZE 0x28000
54
55#define CODA_MAX_FRAMEBUFFERS 8
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]56
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]57#define MAX_W 8192
58#define MAX_H 8192
59#define CODA_MAX_FRAME_SIZE 0x100000
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]60#define FMO_SLICE_SAVE_BUF_SIZE (32)
61#define CODA_DEFAULT_GAMMA 4096
62
63#define MIN_W 176
64#define MIN_H 144
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]65
66#define S_ALIGN 1 /* multiple of 2 */
67#define W_ALIGN 1 /* multiple of 2 */
68#define H_ALIGN 1 /* multiple of 2 */
69
70#define fh_to_ctx(__fh) container_of(__fh, struct coda_ctx, fh)
71
72static int coda_debug;
Philipp Zabelc4eb1bfc2013-05-21 04:24:16 -0300[diff] [blame]73module_param(coda_debug, int, 0644);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]74MODULE_PARM_DESC(coda_debug, "Debug level (0-1)");
75
76enum {
77 V4L2_M2M_SRC = 0,
78 V4L2_M2M_DST = 1,
79};
80
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]81enum coda_inst_type {
82 CODA_INST_ENCODER,
83 CODA_INST_DECODER,
84};
85
86enum coda_product {
87 CODA_DX6 = 0xf001,
Philipp Zabeldf1e74c2012-07-02 06:07:10 -0300[diff] [blame]88 CODA_7541 = 0xf012,
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]89};
90
91struct coda_fmt {
92 char *name;
93 u32 fourcc;
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]94};
95
96struct coda_codec {
97 u32 mode;
98 u32 src_fourcc;
99 u32 dst_fourcc;
100 u32 max_w;
101 u32 max_h;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]102};
103
104struct coda_devtype {
105 char *firmware;
106 enum coda_product product;
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]107 struct coda_codec *codecs;
108 unsigned int num_codecs;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]109 size_t workbuf_size;
110};
111
112/* Per-queue, driver-specific private data */
113struct coda_q_data {
114 unsigned int width;
115 unsigned int height;
116 unsigned int sizeimage;
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]117 unsigned int fourcc;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]118};
119
120struct coda_aux_buf {
121 void *vaddr;
122 dma_addr_t paddr;
123 u32 size;
124};
125
126struct coda_dev {
127 struct v4l2_device v4l2_dev;
128 struct video_device vfd;
129 struct platform_device *plat_dev;
Emil Goodec06d8752012-08-14 17:44:42 -0300[diff] [blame]130 const struct coda_devtype *devtype;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]131
132 void __iomem *regs_base;
133 struct clk *clk_per;
134 struct clk *clk_ahb;
135
136 struct coda_aux_buf codebuf;
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]137 struct coda_aux_buf tempbuf;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]138 struct coda_aux_buf workbuf;
Philipp Zabel657eee72013-04-29 16:17:14 -0700[diff] [blame]139 struct gen_pool *iram_pool;
140 long unsigned int iram_vaddr;
Philipp Zabel10436672012-07-02 09:03:55 -0300[diff] [blame]141 long unsigned int iram_paddr;
Philipp Zabel657eee72013-04-29 16:17:14 -0700[diff] [blame]142 unsigned long iram_size;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]143
144 spinlock_t irqlock;
145 struct mutex dev_mutex;
Philipp Zabelfcb62822013-05-23 10:43:00 -0300[diff] [blame]146 struct mutex coda_mutex;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]147 struct v4l2_m2m_dev *m2m_dev;
148 struct vb2_alloc_ctx *alloc_ctx;
Philipp Zabele11f3e62012-07-25 09:16:58 -0300[diff] [blame]149 struct list_head instances;
150 unsigned long instance_mask;
Philipp Zabel2fb57f02012-07-25 09:22:07 -0300[diff] [blame]151 struct delayed_work timeout;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]152};
153
154struct coda_params {
Philipp Zabel8f35c7b2012-07-09 04:25:52 -0300[diff] [blame]155 u8 rot_mode;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]156 u8 h264_intra_qp;
157 u8 h264_inter_qp;
158 u8 mpeg4_intra_qp;
159 u8 mpeg4_inter_qp;
160 u8 gop_size;
161 int codec_mode;
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]162 int codec_mode_aux;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]163 enum v4l2_mpeg_video_multi_slice_mode slice_mode;
164 u32 framerate;
165 u16 bitrate;
Philipp Zabelc566c782012-08-08 11:59:38 -0300[diff] [blame]166 u32 slice_max_bits;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]167 u32 slice_max_mb;
168};
169
Philipp Zabelc2d22512013-06-21 03:55:28 -0300[diff] [blame]170struct coda_iram_info {
171 u32 axi_sram_use;
172 phys_addr_t buf_bit_use;
173 phys_addr_t buf_ip_ac_dc_use;
174 phys_addr_t buf_dbk_y_use;
175 phys_addr_t buf_dbk_c_use;
176 phys_addr_t buf_ovl_use;
177 phys_addr_t buf_btp_use;
178 phys_addr_t search_ram_paddr;
179 int search_ram_size;
180};
181
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]182struct coda_ctx {
183 struct coda_dev *dev;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]184 struct mutex buffer_mutex;
Philipp Zabele11f3e62012-07-25 09:16:58 -0300[diff] [blame]185 struct list_head list;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]186 struct work_struct skip_run;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]187 int aborting;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]188 int initialized;
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]189 int streamon_out;
190 int streamon_cap;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]191 u32 isequence;
Philipp Zabel9082a7c2013-06-21 03:55:31 -0300[diff] [blame]192 u32 qsequence;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]193 u32 osequence;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]194 struct coda_q_data q_data[2];
195 enum coda_inst_type inst_type;
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]196 struct coda_codec *codec;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]197 enum v4l2_colorspace colorspace;
198 struct coda_params params;
199 struct v4l2_m2m_ctx *m2m_ctx;
200 struct v4l2_ctrl_handler ctrls;
201 struct v4l2_fh fh;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]202 int gopcounter;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]203 int runcounter;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]204 char vpu_header[3][64];
205 int vpu_header_size[3];
Philipp Zabel9082a7c2013-06-21 03:55:31 -0300[diff] [blame]206 struct kfifo bitstream_fifo;
207 struct mutex bitstream_mutex;
208 struct coda_aux_buf bitstream;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]209 bool prescan_failed;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]210 struct coda_aux_buf parabuf;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]211 struct coda_aux_buf psbuf;
212 struct coda_aux_buf slicebuf;
Philipp Zabelec25f682012-07-20 08:54:29 -0300[diff] [blame]213 struct coda_aux_buf internal_frames[CODA_MAX_FRAMEBUFFERS];
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]214 struct coda_aux_buf workbuf;
Philipp Zabelec25f682012-07-20 08:54:29 -0300[diff] [blame]215 int num_internal_frames;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]216 int idx;
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]217 int reg_idx;
Philipp Zabelc2d22512013-06-21 03:55:28 -0300[diff] [blame]218 struct coda_iram_info iram_info;
Philipp Zabel9082a7c2013-06-21 03:55:31 -0300[diff] [blame]219 u32 bit_stream_param;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]220 u32 frm_dis_flg;
221 int display_idx;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]222};
223
Javier Martin832fbb52012-10-29 08:34:59 -0300[diff] [blame]224static const u8 coda_filler_nal[14] = { 0x00, 0x00, 0x00, 0x01, 0x0c, 0xff,
225 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x80 };
226static const u8 coda_filler_size[8] = { 0, 7, 14, 13, 12, 11, 10, 9 };
Javier Martin3f3f5c72012-10-29 05:20:29 -0300[diff] [blame]227
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]228static inline void coda_write(struct coda_dev *dev, u32 data, u32 reg)
229{
230 v4l2_dbg(1, coda_debug, &dev->v4l2_dev,
231 "%s: data=0x%x, reg=0x%x\n", __func__, data, reg);
232 writel(data, dev->regs_base + reg);
233}
234
235static inline unsigned int coda_read(struct coda_dev *dev, u32 reg)
236{
237 u32 data;
238 data = readl(dev->regs_base + reg);
239 v4l2_dbg(1, coda_debug, &dev->v4l2_dev,
240 "%s: data=0x%x, reg=0x%x\n", __func__, data, reg);
241 return data;
242}
243
244static inline unsigned long coda_isbusy(struct coda_dev *dev)
245{
246 return coda_read(dev, CODA_REG_BIT_BUSY);
247}
248
249static inline int coda_is_initialized(struct coda_dev *dev)
250{
251 return (coda_read(dev, CODA_REG_BIT_CUR_PC) != 0);
252}
253
254static int coda_wait_timeout(struct coda_dev *dev)
255{
256 unsigned long timeout = jiffies + msecs_to_jiffies(1000);
257
258 while (coda_isbusy(dev)) {
259 if (time_after(jiffies, timeout))
260 return -ETIMEDOUT;
261 }
262 return 0;
263}
264
265static void coda_command_async(struct coda_ctx *ctx, int cmd)
266{
267 struct coda_dev *dev = ctx->dev;
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]268
269 if (dev->devtype->product == CODA_7541) {
270 /* Restore context related registers to CODA */
Philipp Zabel9082a7c2013-06-21 03:55:31 -0300[diff] [blame]271 coda_write(dev, ctx->bit_stream_param,
272 CODA_REG_BIT_BIT_STREAM_PARAM);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]273 coda_write(dev, ctx->frm_dis_flg,
274 CODA_REG_BIT_FRM_DIS_FLG(ctx->reg_idx));
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]275 coda_write(dev, ctx->workbuf.paddr, CODA_REG_BIT_WORK_BUF_ADDR);
276 }
277
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]278 coda_write(dev, CODA_REG_BIT_BUSY_FLAG, CODA_REG_BIT_BUSY);
279
280 coda_write(dev, ctx->idx, CODA_REG_BIT_RUN_INDEX);
281 coda_write(dev, ctx->params.codec_mode, CODA_REG_BIT_RUN_COD_STD);
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]282 coda_write(dev, ctx->params.codec_mode_aux, CODA7_REG_BIT_RUN_AUX_STD);
283
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]284 coda_write(dev, cmd, CODA_REG_BIT_RUN_COMMAND);
285}
286
287static int coda_command_sync(struct coda_ctx *ctx, int cmd)
288{
289 struct coda_dev *dev = ctx->dev;
290
291 coda_command_async(ctx, cmd);
292 return coda_wait_timeout(dev);
293}
294
295static struct coda_q_data *get_q_data(struct coda_ctx *ctx,
296 enum v4l2_buf_type type)
297{
298 switch (type) {
299 case V4L2_BUF_TYPE_VIDEO_OUTPUT:
300 return &(ctx->q_data[V4L2_M2M_SRC]);
301 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
302 return &(ctx->q_data[V4L2_M2M_DST]);
303 default:
304 BUG();
305 }
306 return NULL;
307}
308
309/*
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]310 * Array of all formats supported by any version of Coda:
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]311 */
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]312static struct coda_fmt coda_formats[] = {
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]313 {
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]314 .name = "YUV 4:2:0 Planar, YCbCr",
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]315 .fourcc = V4L2_PIX_FMT_YUV420,
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]316 },
317 {
318 .name = "YUV 4:2:0 Planar, YCrCb",
319 .fourcc = V4L2_PIX_FMT_YVU420,
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]320 },
321 {
322 .name = "H264 Encoded Stream",
323 .fourcc = V4L2_PIX_FMT_H264,
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]324 },
325 {
326 .name = "MPEG4 Encoded Stream",
327 .fourcc = V4L2_PIX_FMT_MPEG4,
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]328 },
329};
330
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]331#define CODA_CODEC(mode, src_fourcc, dst_fourcc, max_w, max_h) \
332 { mode, src_fourcc, dst_fourcc, max_w, max_h }
333
334/*
335 * Arrays of codecs supported by each given version of Coda:
336 * i.MX27 -> codadx6
337 * i.MX5x -> coda7
338 * i.MX6 -> coda960
339 * Use V4L2_PIX_FMT_YUV420 as placeholder for all supported YUV 4:2:0 variants
340 */
341static struct coda_codec codadx6_codecs[] = {
342 CODA_CODEC(CODADX6_MODE_ENCODE_H264, V4L2_PIX_FMT_YUV420, V4L2_PIX_FMT_H264, 720, 576),
343 CODA_CODEC(CODADX6_MODE_ENCODE_MP4, V4L2_PIX_FMT_YUV420, V4L2_PIX_FMT_MPEG4, 720, 576),
Philipp Zabeldf1e74c2012-07-02 06:07:10 -0300[diff] [blame]344};
345
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]346static struct coda_codec coda7_codecs[] = {
347 CODA_CODEC(CODA7_MODE_ENCODE_H264, V4L2_PIX_FMT_YUV420, V4L2_PIX_FMT_H264, 1280, 720),
348 CODA_CODEC(CODA7_MODE_ENCODE_MP4, V4L2_PIX_FMT_YUV420, V4L2_PIX_FMT_MPEG4, 1280, 720),
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]349 CODA_CODEC(CODA7_MODE_DECODE_H264, V4L2_PIX_FMT_H264, V4L2_PIX_FMT_YUV420, 1920, 1080),
350 CODA_CODEC(CODA7_MODE_DECODE_MP4, V4L2_PIX_FMT_MPEG4, V4L2_PIX_FMT_YUV420, 1920, 1080),
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]351};
352
353static bool coda_format_is_yuv(u32 fourcc)
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]354{
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]355 switch (fourcc) {
356 case V4L2_PIX_FMT_YUV420:
357 case V4L2_PIX_FMT_YVU420:
358 return true;
359 default:
360 return false;
361 }
362}
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]363
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]364/*
365 * Normalize all supported YUV 4:2:0 formats to the value used in the codec
366 * tables.
367 */
368static u32 coda_format_normalize_yuv(u32 fourcc)
369{
370 return coda_format_is_yuv(fourcc) ? V4L2_PIX_FMT_YUV420 : fourcc;
371}
372
373static struct coda_codec *coda_find_codec(struct coda_dev *dev, int src_fourcc,
374 int dst_fourcc)
375{
376 struct coda_codec *codecs = dev->devtype->codecs;
377 int num_codecs = dev->devtype->num_codecs;
378 int k;
379
380 src_fourcc = coda_format_normalize_yuv(src_fourcc);
381 dst_fourcc = coda_format_normalize_yuv(dst_fourcc);
382 if (src_fourcc == dst_fourcc)
383 return NULL;
384
385 for (k = 0; k < num_codecs; k++) {
386 if (codecs[k].src_fourcc == src_fourcc &&
387 codecs[k].dst_fourcc == dst_fourcc)
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]388 break;
389 }
390
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]391 if (k == num_codecs)
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]392 return NULL;
393
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]394 return &codecs[k];
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]395}
396
397/*
398 * V4L2 ioctl() operations.
399 */
400static int vidioc_querycap(struct file *file, void *priv,
401 struct v4l2_capability *cap)
402{
403 strlcpy(cap->driver, CODA_NAME, sizeof(cap->driver));
404 strlcpy(cap->card, CODA_NAME, sizeof(cap->card));
Philipp Zabeldad0e1c2013-05-21 04:18:22 -0300[diff] [blame]405 strlcpy(cap->bus_info, "platform:" CODA_NAME, sizeof(cap->bus_info));
Sylwester Nawrockic3aac8b2012-08-22 18:00:19 -0300[diff] [blame]406 /*
407 * This is only a mem-to-mem video device. The capture and output
408 * device capability flags are left only for backward compatibility
409 * and are scheduled for removal.
410 */
411 cap->device_caps = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_VIDEO_OUTPUT |
412 V4L2_CAP_VIDEO_M2M | V4L2_CAP_STREAMING;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]413 cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS;
414
415 return 0;
416}
417
418static int enum_fmt(void *priv, struct v4l2_fmtdesc *f,
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]419 enum v4l2_buf_type type, int src_fourcc)
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]420{
421 struct coda_ctx *ctx = fh_to_ctx(priv);
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]422 struct coda_codec *codecs = ctx->dev->devtype->codecs;
423 struct coda_fmt *formats = coda_formats;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]424 struct coda_fmt *fmt;
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]425 int num_codecs = ctx->dev->devtype->num_codecs;
426 int num_formats = ARRAY_SIZE(coda_formats);
427 int i, k, num = 0;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]428
429 for (i = 0; i < num_formats; i++) {
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]430 /* Both uncompressed formats are always supported */
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]431 if (coda_format_is_yuv(formats[i].fourcc) &&
432 !coda_format_is_yuv(src_fourcc)) {
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]433 if (num == f->index)
434 break;
435 ++num;
436 continue;
437 }
438 /* Compressed formats may be supported, check the codec list */
439 for (k = 0; k < num_codecs; k++) {
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]440 /* if src_fourcc is set, only consider matching codecs */
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]441 if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE &&
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]442 formats[i].fourcc == codecs[k].dst_fourcc &&
443 (!src_fourcc || src_fourcc == codecs[k].src_fourcc))
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]444 break;
445 if (type == V4L2_BUF_TYPE_VIDEO_OUTPUT &&
446 formats[i].fourcc == codecs[k].src_fourcc)
447 break;
448 }
449 if (k < num_codecs) {
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]450 if (num == f->index)
451 break;
452 ++num;
453 }
454 }
455
456 if (i < num_formats) {
457 fmt = &formats[i];
458 strlcpy(f->description, fmt->name, sizeof(f->description));
459 f->pixelformat = fmt->fourcc;
460 return 0;
461 }
462
463 /* Format not found */
464 return -EINVAL;
465}
466
467static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv,
468 struct v4l2_fmtdesc *f)
469{
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]470 struct coda_ctx *ctx = fh_to_ctx(priv);
471 struct vb2_queue *src_vq;
472 struct coda_q_data *q_data_src;
473
474 /* If the source format is already fixed, only list matching formats */
475 src_vq = v4l2_m2m_get_vq(ctx->m2m_ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
476 if (vb2_is_streaming(src_vq)) {
477 q_data_src = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
478
479 return enum_fmt(priv, f, V4L2_BUF_TYPE_VIDEO_CAPTURE,
480 q_data_src->fourcc);
481 }
482
483 return enum_fmt(priv, f, V4L2_BUF_TYPE_VIDEO_CAPTURE, 0);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]484}
485
486static int vidioc_enum_fmt_vid_out(struct file *file, void *priv,
487 struct v4l2_fmtdesc *f)
488{
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]489 return enum_fmt(priv, f, V4L2_BUF_TYPE_VIDEO_OUTPUT, 0);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]490}
491
492static int vidioc_g_fmt(struct file *file, void *priv, struct v4l2_format *f)
493{
494 struct vb2_queue *vq;
495 struct coda_q_data *q_data;
496 struct coda_ctx *ctx = fh_to_ctx(priv);
497
498 vq = v4l2_m2m_get_vq(ctx->m2m_ctx, f->type);
499 if (!vq)
500 return -EINVAL;
501
502 q_data = get_q_data(ctx, f->type);
503
504 f->fmt.pix.field = V4L2_FIELD_NONE;
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]505 f->fmt.pix.pixelformat = q_data->fourcc;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]506 f->fmt.pix.width = q_data->width;
507 f->fmt.pix.height = q_data->height;
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]508 if (coda_format_is_yuv(f->fmt.pix.pixelformat))
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]509 f->fmt.pix.bytesperline = round_up(f->fmt.pix.width, 2);
510 else /* encoded formats h.264/mpeg4 */
511 f->fmt.pix.bytesperline = 0;
512
513 f->fmt.pix.sizeimage = q_data->sizeimage;
514 f->fmt.pix.colorspace = ctx->colorspace;
515
516 return 0;
517}
518
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]519static int vidioc_try_fmt(struct coda_codec *codec, struct v4l2_format *f)
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]520{
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]521 unsigned int max_w, max_h;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]522 enum v4l2_field field;
523
524 field = f->fmt.pix.field;
525 if (field == V4L2_FIELD_ANY)
526 field = V4L2_FIELD_NONE;
527 else if (V4L2_FIELD_NONE != field)
528 return -EINVAL;
529
530 /* V4L2 specification suggests the driver corrects the format struct
531 * if any of the dimensions is unsupported */
532 f->fmt.pix.field = field;
533
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]534 if (codec) {
535 max_w = codec->max_w;
536 max_h = codec->max_h;
537 } else {
538 max_w = MAX_W;
539 max_h = MAX_H;
540 }
541 v4l_bound_align_image(&f->fmt.pix.width, MIN_W, max_w,
542 W_ALIGN, &f->fmt.pix.height,
543 MIN_H, max_h, H_ALIGN, S_ALIGN);
544
545 if (coda_format_is_yuv(f->fmt.pix.pixelformat)) {
Philipp Zabel47cf0c62013-05-23 10:42:54 -0300[diff] [blame]546 /* Frame stride must be multiple of 8 */
547 f->fmt.pix.bytesperline = round_up(f->fmt.pix.width, 8);
548 f->fmt.pix.sizeimage = f->fmt.pix.bytesperline *
Philipp Zabel451d43a2012-07-26 09:18:27 -0300[diff] [blame]549 f->fmt.pix.height * 3 / 2;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]550 } else { /*encoded formats h.264/mpeg4 */
551 f->fmt.pix.bytesperline = 0;
552 f->fmt.pix.sizeimage = CODA_MAX_FRAME_SIZE;
553 }
554
555 return 0;
556}
557
558static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
559 struct v4l2_format *f)
560{
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]561 struct coda_ctx *ctx = fh_to_ctx(priv);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]562 struct coda_codec *codec;
563 struct vb2_queue *src_vq;
564 int ret;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]565
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]566 /*
567 * If the source format is already fixed, try to find a codec that
568 * converts to the given destination format
569 */
570 src_vq = v4l2_m2m_get_vq(ctx->m2m_ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
571 if (vb2_is_streaming(src_vq)) {
572 struct coda_q_data *q_data_src;
573
574 q_data_src = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
575 codec = coda_find_codec(ctx->dev, q_data_src->fourcc,
576 f->fmt.pix.pixelformat);
577 if (!codec)
578 return -EINVAL;
579 } else {
580 /* Otherwise determine codec by encoded format, if possible */
581 codec = coda_find_codec(ctx->dev, V4L2_PIX_FMT_YUV420,
582 f->fmt.pix.pixelformat);
583 }
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]584
585 f->fmt.pix.colorspace = ctx->colorspace;
586
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]587 ret = vidioc_try_fmt(codec, f);
588 if (ret < 0)
589 return ret;
590
591 /* The h.264 decoder only returns complete 16x16 macroblocks */
592 if (codec && codec->src_fourcc == V4L2_PIX_FMT_H264) {
593 f->fmt.pix.width = round_up(f->fmt.pix.width, 16);
594 f->fmt.pix.height = round_up(f->fmt.pix.height, 16);
595 f->fmt.pix.bytesperline = f->fmt.pix.width;
596 f->fmt.pix.sizeimage = f->fmt.pix.bytesperline *
597 f->fmt.pix.height * 3 / 2;
598 }
599
600 return 0;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]601}
602
603static int vidioc_try_fmt_vid_out(struct file *file, void *priv,
604 struct v4l2_format *f)
605{
606 struct coda_ctx *ctx = fh_to_ctx(priv);
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]607 struct coda_codec *codec;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]608
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]609 /* Determine codec by encoded format, returns NULL if raw or invalid */
610 codec = coda_find_codec(ctx->dev, f->fmt.pix.pixelformat,
611 V4L2_PIX_FMT_YUV420);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]612
613 if (!f->fmt.pix.colorspace)
614 f->fmt.pix.colorspace = V4L2_COLORSPACE_REC709;
615
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]616 return vidioc_try_fmt(codec, f);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]617}
618
619static int vidioc_s_fmt(struct coda_ctx *ctx, struct v4l2_format *f)
620{
621 struct coda_q_data *q_data;
622 struct vb2_queue *vq;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]623
624 vq = v4l2_m2m_get_vq(ctx->m2m_ctx, f->type);
625 if (!vq)
626 return -EINVAL;
627
628 q_data = get_q_data(ctx, f->type);
629 if (!q_data)
630 return -EINVAL;
631
632 if (vb2_is_busy(vq)) {
633 v4l2_err(&ctx->dev->v4l2_dev, "%s queue busy\n", __func__);
634 return -EBUSY;
635 }
636
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]637 q_data->fourcc = f->fmt.pix.pixelformat;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]638 q_data->width = f->fmt.pix.width;
639 q_data->height = f->fmt.pix.height;
Philipp Zabel451d43a2012-07-26 09:18:27 -0300[diff] [blame]640 q_data->sizeimage = f->fmt.pix.sizeimage;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]641
642 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
643 "Setting format for type %d, wxh: %dx%d, fmt: %d\n",
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]644 f->type, q_data->width, q_data->height, q_data->fourcc);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]645
646 return 0;
647}
648
649static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
650 struct v4l2_format *f)
651{
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]652 struct coda_ctx *ctx = fh_to_ctx(priv);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]653 int ret;
654
655 ret = vidioc_try_fmt_vid_cap(file, priv, f);
656 if (ret)
657 return ret;
658
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]659 return vidioc_s_fmt(ctx, f);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]660}
661
662static int vidioc_s_fmt_vid_out(struct file *file, void *priv,
663 struct v4l2_format *f)
664{
665 struct coda_ctx *ctx = fh_to_ctx(priv);
666 int ret;
667
668 ret = vidioc_try_fmt_vid_out(file, priv, f);
669 if (ret)
670 return ret;
671
Richard Zhao8d621472012-08-21 02:47:42 -0300[diff] [blame]672 ret = vidioc_s_fmt(ctx, f);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]673 if (ret)
674 ctx->colorspace = f->fmt.pix.colorspace;
675
676 return ret;
677}
678
679static int vidioc_reqbufs(struct file *file, void *priv,
680 struct v4l2_requestbuffers *reqbufs)
681{
682 struct coda_ctx *ctx = fh_to_ctx(priv);
683
684 return v4l2_m2m_reqbufs(file, ctx->m2m_ctx, reqbufs);
685}
686
687static int vidioc_querybuf(struct file *file, void *priv,
688 struct v4l2_buffer *buf)
689{
690 struct coda_ctx *ctx = fh_to_ctx(priv);
691
692 return v4l2_m2m_querybuf(file, ctx->m2m_ctx, buf);
693}
694
695static int vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *buf)
696{
697 struct coda_ctx *ctx = fh_to_ctx(priv);
698
699 return v4l2_m2m_qbuf(file, ctx->m2m_ctx, buf);
700}
701
Philipp Zabel419869c2013-05-23 07:06:30 -0300[diff] [blame]702static int vidioc_expbuf(struct file *file, void *priv,
703 struct v4l2_exportbuffer *eb)
704{
705 struct coda_ctx *ctx = fh_to_ctx(priv);
706
707 return v4l2_m2m_expbuf(file, ctx->m2m_ctx, eb);
708}
709
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]710static bool coda_buf_is_end_of_stream(struct coda_ctx *ctx,
711 struct v4l2_buffer *buf)
712{
713 struct vb2_queue *src_vq;
714
715 src_vq = v4l2_m2m_get_vq(ctx->m2m_ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
716
717 return ((ctx->bit_stream_param & CODA_BIT_STREAM_END_FLAG) &&
718 (buf->sequence == (ctx->qsequence - 1)));
719}
720
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]721static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *buf)
722{
723 struct coda_ctx *ctx = fh_to_ctx(priv);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]724 int ret;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]725
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]726 ret = v4l2_m2m_dqbuf(file, ctx->m2m_ctx, buf);
727
728 /* If this is the last capture buffer, emit an end-of-stream event */
729 if (buf->type == V4L2_BUF_TYPE_VIDEO_CAPTURE &&
730 coda_buf_is_end_of_stream(ctx, buf)) {
731 const struct v4l2_event eos_event = {
732 .type = V4L2_EVENT_EOS
733 };
734
735 v4l2_event_queue_fh(&ctx->fh, &eos_event);
736 }
737
738 return ret;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]739}
740
Philipp Zabel8fdf94a2013-05-21 04:16:29 -0300[diff] [blame]741static int vidioc_create_bufs(struct file *file, void *priv,
742 struct v4l2_create_buffers *create)
743{
744 struct coda_ctx *ctx = fh_to_ctx(priv);
745
746 return v4l2_m2m_create_bufs(file, ctx->m2m_ctx, create);
747}
748
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]749static int vidioc_streamon(struct file *file, void *priv,
750 enum v4l2_buf_type type)
751{
752 struct coda_ctx *ctx = fh_to_ctx(priv);
753
754 return v4l2_m2m_streamon(file, ctx->m2m_ctx, type);
755}
756
757static int vidioc_streamoff(struct file *file, void *priv,
758 enum v4l2_buf_type type)
759{
760 struct coda_ctx *ctx = fh_to_ctx(priv);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]761 int ret;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]762
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]763 /*
764 * This indirectly calls __vb2_queue_cancel, which dequeues all buffers.
765 * We therefore have to lock it against running hardware in this context,
766 * which still needs the buffers.
767 */
768 mutex_lock(&ctx->buffer_mutex);
769 ret = v4l2_m2m_streamoff(file, ctx->m2m_ctx, type);
770 mutex_unlock(&ctx->buffer_mutex);
771
772 return ret;
773}
774
775static int vidioc_decoder_cmd(struct file *file, void *fh,
776 struct v4l2_decoder_cmd *dc)
777{
778 struct coda_ctx *ctx = fh_to_ctx(fh);
779
780 if (dc->cmd != V4L2_DEC_CMD_STOP)
781 return -EINVAL;
782
783 if ((dc->flags & V4L2_DEC_CMD_STOP_TO_BLACK) ||
784 (dc->flags & V4L2_DEC_CMD_STOP_IMMEDIATELY))
785 return -EINVAL;
786
787 if (dc->stop.pts != 0)
788 return -EINVAL;
789
790 if (ctx->inst_type != CODA_INST_DECODER)
791 return -EINVAL;
792
793 /* Set the strem-end flag on this context */
794 ctx->bit_stream_param |= CODA_BIT_STREAM_END_FLAG;
795
796 return 0;
797}
798
799static int vidioc_subscribe_event(struct v4l2_fh *fh,
800 const struct v4l2_event_subscription *sub)
801{
802 switch (sub->type) {
803 case V4L2_EVENT_EOS:
804 return v4l2_event_subscribe(fh, sub, 0, NULL);
805 default:
806 return v4l2_ctrl_subscribe_event(fh, sub);
807 }
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]808}
809
810static const struct v4l2_ioctl_ops coda_ioctl_ops = {
811 .vidioc_querycap = vidioc_querycap,
812
813 .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap,
814 .vidioc_g_fmt_vid_cap = vidioc_g_fmt,
815 .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap,
816 .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap,
817
818 .vidioc_enum_fmt_vid_out = vidioc_enum_fmt_vid_out,
819 .vidioc_g_fmt_vid_out = vidioc_g_fmt,
820 .vidioc_try_fmt_vid_out = vidioc_try_fmt_vid_out,
821 .vidioc_s_fmt_vid_out = vidioc_s_fmt_vid_out,
822
823 .vidioc_reqbufs = vidioc_reqbufs,
824 .vidioc_querybuf = vidioc_querybuf,
825
826 .vidioc_qbuf = vidioc_qbuf,
Philipp Zabel419869c2013-05-23 07:06:30 -0300[diff] [blame]827 .vidioc_expbuf = vidioc_expbuf,
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]828 .vidioc_dqbuf = vidioc_dqbuf,
Philipp Zabel8fdf94a2013-05-21 04:16:29 -0300[diff] [blame]829 .vidioc_create_bufs = vidioc_create_bufs,
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]830
831 .vidioc_streamon = vidioc_streamon,
832 .vidioc_streamoff = vidioc_streamoff,
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]833
834 .vidioc_decoder_cmd = vidioc_decoder_cmd,
835
836 .vidioc_subscribe_event = vidioc_subscribe_event,
837 .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]838};
839
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]840static int coda_start_decoding(struct coda_ctx *ctx);
841
842static void coda_skip_run(struct work_struct *work)
843{
844 struct coda_ctx *ctx = container_of(work, struct coda_ctx, skip_run);
845
846 v4l2_m2m_job_finish(ctx->dev->m2m_dev, ctx->m2m_ctx);
847}
848
Philipp Zabel9082a7c2013-06-21 03:55:31 -0300[diff] [blame]849static inline int coda_get_bitstream_payload(struct coda_ctx *ctx)
850{
851 return kfifo_len(&ctx->bitstream_fifo);
852}
853
854static void coda_kfifo_sync_from_device(struct coda_ctx *ctx)
855{
856 struct __kfifo *kfifo = &ctx->bitstream_fifo.kfifo;
857 struct coda_dev *dev = ctx->dev;
858 u32 rd_ptr;
859
860 rd_ptr = coda_read(dev, CODA_REG_BIT_RD_PTR(ctx->reg_idx));
861 kfifo->out = (kfifo->in & ~kfifo->mask) |
862 (rd_ptr - ctx->bitstream.paddr);
863 if (kfifo->out > kfifo->in)
864 kfifo->out -= kfifo->mask + 1;
865}
866
867static void coda_kfifo_sync_to_device_full(struct coda_ctx *ctx)
868{
869 struct __kfifo *kfifo = &ctx->bitstream_fifo.kfifo;
870 struct coda_dev *dev = ctx->dev;
871 u32 rd_ptr, wr_ptr;
872
873 rd_ptr = ctx->bitstream.paddr + (kfifo->out & kfifo->mask);
874 coda_write(dev, rd_ptr, CODA_REG_BIT_RD_PTR(ctx->reg_idx));
875 wr_ptr = ctx->bitstream.paddr + (kfifo->in & kfifo->mask);
876 coda_write(dev, wr_ptr, CODA_REG_BIT_WR_PTR(ctx->reg_idx));
877}
878
879static void coda_kfifo_sync_to_device_write(struct coda_ctx *ctx)
880{
881 struct __kfifo *kfifo = &ctx->bitstream_fifo.kfifo;
882 struct coda_dev *dev = ctx->dev;
883 u32 wr_ptr;
884
885 wr_ptr = ctx->bitstream.paddr + (kfifo->in & kfifo->mask);
886 coda_write(dev, wr_ptr, CODA_REG_BIT_WR_PTR(ctx->reg_idx));
887}
888
889static int coda_bitstream_queue(struct coda_ctx *ctx, struct vb2_buffer *src_buf)
890{
891 u32 src_size = vb2_get_plane_payload(src_buf, 0);
892 u32 n;
893
894 n = kfifo_in(&ctx->bitstream_fifo, vb2_plane_vaddr(src_buf, 0), src_size);
895 if (n < src_size)
896 return -ENOSPC;
897
898 dma_sync_single_for_device(&ctx->dev->plat_dev->dev, ctx->bitstream.paddr,
899 ctx->bitstream.size, DMA_TO_DEVICE);
900
901 ctx->qsequence++;
902
903 return 0;
904}
905
906static bool coda_bitstream_try_queue(struct coda_ctx *ctx,
907 struct vb2_buffer *src_buf)
908{
909 int ret;
910
911 if (coda_get_bitstream_payload(ctx) +
912 vb2_get_plane_payload(src_buf, 0) + 512 >= ctx->bitstream.size)
913 return false;
914
915 if (vb2_plane_vaddr(src_buf, 0) == NULL) {
916 v4l2_err(&ctx->dev->v4l2_dev, "trying to queue empty buffer\n");
917 return true;
918 }
919
920 ret = coda_bitstream_queue(ctx, src_buf);
921 if (ret < 0) {
922 v4l2_err(&ctx->dev->v4l2_dev, "bitstream buffer overflow\n");
923 return false;
924 }
925 /* Sync read pointer to device */
926 if (ctx == v4l2_m2m_get_curr_priv(ctx->dev->m2m_dev))
927 coda_kfifo_sync_to_device_write(ctx);
928
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]929 ctx->prescan_failed = false;
930
Philipp Zabel9082a7c2013-06-21 03:55:31 -0300[diff] [blame]931 return true;
932}
933
934static void coda_fill_bitstream(struct coda_ctx *ctx)
935{
936 struct vb2_buffer *src_buf;
937
938 while (v4l2_m2m_num_src_bufs_ready(ctx->m2m_ctx) > 0) {
939 src_buf = v4l2_m2m_next_src_buf(ctx->m2m_ctx);
940
941 if (coda_bitstream_try_queue(ctx, src_buf)) {
942 src_buf = v4l2_m2m_src_buf_remove(ctx->m2m_ctx);
943 v4l2_m2m_buf_done(src_buf, VB2_BUF_STATE_DONE);
944 } else {
945 break;
946 }
947 }
948}
949
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]950/*
951 * Mem-to-mem operations.
952 */
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]953static int coda_prepare_decode(struct coda_ctx *ctx)
954{
955 struct vb2_buffer *dst_buf;
956 struct coda_dev *dev = ctx->dev;
957 struct coda_q_data *q_data_dst;
958 u32 stridey, height;
959 u32 picture_y, picture_cb, picture_cr;
960
961 dst_buf = v4l2_m2m_next_dst_buf(ctx->m2m_ctx);
962 q_data_dst = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
963
964 if (ctx->params.rot_mode & CODA_ROT_90) {
965 stridey = q_data_dst->height;
966 height = q_data_dst->width;
967 } else {
968 stridey = q_data_dst->width;
969 height = q_data_dst->height;
970 }
971
972 /* Try to copy source buffer contents into the bitstream ringbuffer */
973 mutex_lock(&ctx->bitstream_mutex);
974 coda_fill_bitstream(ctx);
975 mutex_unlock(&ctx->bitstream_mutex);
976
977 if (coda_get_bitstream_payload(ctx) < 512 &&
978 (!(ctx->bit_stream_param & CODA_BIT_STREAM_END_FLAG))) {
979 v4l2_dbg(1, coda_debug, &dev->v4l2_dev,
980 "bitstream payload: %d, skipping\n",
981 coda_get_bitstream_payload(ctx));
982 schedule_work(&ctx->skip_run);
983 return -EAGAIN;
984 }
985
986 /* Run coda_start_decoding (again) if not yet initialized */
987 if (!ctx->initialized) {
988 int ret = coda_start_decoding(ctx);
989 if (ret < 0) {
990 v4l2_err(&dev->v4l2_dev, "failed to start decoding\n");
991 schedule_work(&ctx->skip_run);
992 return -EAGAIN;
993 } else {
994 ctx->initialized = 1;
995 }
996 }
997
998 /* Set rotator output */
999 picture_y = vb2_dma_contig_plane_dma_addr(dst_buf, 0);
1000 if (q_data_dst->fourcc == V4L2_PIX_FMT_YVU420) {
1001 /* Switch Cr and Cb for YVU420 format */
1002 picture_cr = picture_y + stridey * height;
1003 picture_cb = picture_cr + stridey / 2 * height / 2;
1004 } else {
1005 picture_cb = picture_y + stridey * height;
1006 picture_cr = picture_cb + stridey / 2 * height / 2;
1007 }
1008 coda_write(dev, picture_y, CODA_CMD_DEC_PIC_ROT_ADDR_Y);
1009 coda_write(dev, picture_cb, CODA_CMD_DEC_PIC_ROT_ADDR_CB);
1010 coda_write(dev, picture_cr, CODA_CMD_DEC_PIC_ROT_ADDR_CR);
1011 coda_write(dev, stridey, CODA_CMD_DEC_PIC_ROT_STRIDE);
1012 coda_write(dev, CODA_ROT_MIR_ENABLE | ctx->params.rot_mode,
1013 CODA_CMD_DEC_PIC_ROT_MODE);
1014
1015 switch (dev->devtype->product) {
1016 case CODA_DX6:
1017 /* TBD */
1018 case CODA_7541:
1019 coda_write(dev, CODA_PRE_SCAN_EN, CODA_CMD_DEC_PIC_OPTION);
1020 break;
1021 }
1022
1023 coda_write(dev, 0, CODA_CMD_DEC_PIC_SKIP_NUM);
1024
1025 coda_write(dev, 0, CODA_CMD_DEC_PIC_BB_START);
1026 coda_write(dev, 0, CODA_CMD_DEC_PIC_START_BYTE);
1027
1028 return 0;
1029}
1030
Philipp Zabel477c1cf2013-06-21 03:55:33 -0300[diff] [blame]1031static void coda_prepare_encode(struct coda_ctx *ctx)
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1032{
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1033 struct coda_q_data *q_data_src, *q_data_dst;
1034 struct vb2_buffer *src_buf, *dst_buf;
1035 struct coda_dev *dev = ctx->dev;
1036 int force_ipicture;
1037 int quant_param = 0;
1038 u32 picture_y, picture_cb, picture_cr;
1039 u32 pic_stream_buffer_addr, pic_stream_buffer_size;
1040 u32 dst_fourcc;
1041
1042 src_buf = v4l2_m2m_next_src_buf(ctx->m2m_ctx);
1043 dst_buf = v4l2_m2m_next_dst_buf(ctx->m2m_ctx);
1044 q_data_src = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
1045 q_data_dst = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]1046 dst_fourcc = q_data_dst->fourcc;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1047
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]1048 src_buf->v4l2_buf.sequence = ctx->osequence;
1049 dst_buf->v4l2_buf.sequence = ctx->osequence;
1050 ctx->osequence++;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1051
1052 /*
1053 * Workaround coda firmware BUG that only marks the first
1054 * frame as IDR. This is a problem for some decoders that can't
1055 * recover when a frame is lost.
1056 */
1057 if (src_buf->v4l2_buf.sequence % ctx->params.gop_size) {
1058 src_buf->v4l2_buf.flags |= V4L2_BUF_FLAG_PFRAME;
1059 src_buf->v4l2_buf.flags &= ~V4L2_BUF_FLAG_KEYFRAME;
1060 } else {
1061 src_buf->v4l2_buf.flags |= V4L2_BUF_FLAG_KEYFRAME;
1062 src_buf->v4l2_buf.flags &= ~V4L2_BUF_FLAG_PFRAME;
1063 }
1064
1065 /*
1066 * Copy headers at the beginning of the first frame for H.264 only.
1067 * In MPEG4 they are already copied by the coda.
1068 */
1069 if (src_buf->v4l2_buf.sequence == 0) {
1070 pic_stream_buffer_addr =
1071 vb2_dma_contig_plane_dma_addr(dst_buf, 0) +
1072 ctx->vpu_header_size[0] +
1073 ctx->vpu_header_size[1] +
1074 ctx->vpu_header_size[2];
1075 pic_stream_buffer_size = CODA_MAX_FRAME_SIZE -
1076 ctx->vpu_header_size[0] -
1077 ctx->vpu_header_size[1] -
1078 ctx->vpu_header_size[2];
1079 memcpy(vb2_plane_vaddr(dst_buf, 0),
1080 &ctx->vpu_header[0][0], ctx->vpu_header_size[0]);
1081 memcpy(vb2_plane_vaddr(dst_buf, 0) + ctx->vpu_header_size[0],
1082 &ctx->vpu_header[1][0], ctx->vpu_header_size[1]);
1083 memcpy(vb2_plane_vaddr(dst_buf, 0) + ctx->vpu_header_size[0] +
1084 ctx->vpu_header_size[1], &ctx->vpu_header[2][0],
1085 ctx->vpu_header_size[2]);
1086 } else {
1087 pic_stream_buffer_addr =
1088 vb2_dma_contig_plane_dma_addr(dst_buf, 0);
1089 pic_stream_buffer_size = CODA_MAX_FRAME_SIZE;
1090 }
1091
1092 if (src_buf->v4l2_buf.flags & V4L2_BUF_FLAG_KEYFRAME) {
1093 force_ipicture = 1;
1094 switch (dst_fourcc) {
1095 case V4L2_PIX_FMT_H264:
1096 quant_param = ctx->params.h264_intra_qp;
1097 break;
1098 case V4L2_PIX_FMT_MPEG4:
1099 quant_param = ctx->params.mpeg4_intra_qp;
1100 break;
1101 default:
1102 v4l2_warn(&ctx->dev->v4l2_dev,
1103 "cannot set intra qp, fmt not supported\n");
1104 break;
1105 }
1106 } else {
1107 force_ipicture = 0;
1108 switch (dst_fourcc) {
1109 case V4L2_PIX_FMT_H264:
1110 quant_param = ctx->params.h264_inter_qp;
1111 break;
1112 case V4L2_PIX_FMT_MPEG4:
1113 quant_param = ctx->params.mpeg4_inter_qp;
1114 break;
1115 default:
1116 v4l2_warn(&ctx->dev->v4l2_dev,
1117 "cannot set inter qp, fmt not supported\n");
1118 break;
1119 }
1120 }
1121
1122 /* submit */
Philipp Zabel8f35c7b2012-07-09 04:25:52 -0300[diff] [blame]1123 coda_write(dev, CODA_ROT_MIR_ENABLE | ctx->params.rot_mode, CODA_CMD_ENC_PIC_ROT_MODE);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1124 coda_write(dev, quant_param, CODA_CMD_ENC_PIC_QS);
1125
1126
1127 picture_y = vb2_dma_contig_plane_dma_addr(src_buf, 0);
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]1128 switch (q_data_src->fourcc) {
1129 case V4L2_PIX_FMT_YVU420:
1130 /* Switch Cb and Cr for YVU420 format */
1131 picture_cr = picture_y + q_data_src->width * q_data_src->height;
1132 picture_cb = picture_cr + q_data_src->width / 2 *
1133 q_data_src->height / 2;
1134 break;
1135 case V4L2_PIX_FMT_YUV420:
1136 default:
1137 picture_cb = picture_y + q_data_src->width * q_data_src->height;
1138 picture_cr = picture_cb + q_data_src->width / 2 *
1139 q_data_src->height / 2;
1140 break;
1141 }
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1142
1143 coda_write(dev, picture_y, CODA_CMD_ENC_PIC_SRC_ADDR_Y);
1144 coda_write(dev, picture_cb, CODA_CMD_ENC_PIC_SRC_ADDR_CB);
1145 coda_write(dev, picture_cr, CODA_CMD_ENC_PIC_SRC_ADDR_CR);
1146 coda_write(dev, force_ipicture << 1 & 0x2,
1147 CODA_CMD_ENC_PIC_OPTION);
1148
1149 coda_write(dev, pic_stream_buffer_addr, CODA_CMD_ENC_PIC_BB_START);
1150 coda_write(dev, pic_stream_buffer_size / 1024,
1151 CODA_CMD_ENC_PIC_BB_SIZE);
Philipp Zabel477c1cf2013-06-21 03:55:33 -0300[diff] [blame]1152}
1153
1154static void coda_device_run(void *m2m_priv)
1155{
1156 struct coda_ctx *ctx = m2m_priv;
1157 struct coda_dev *dev = ctx->dev;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]1158 int ret;
1159
1160 mutex_lock(&ctx->buffer_mutex);
1161
1162 /*
1163 * If streamoff dequeued all buffers before we could get the lock,
1164 * just bail out immediately.
1165 */
1166 if ((!v4l2_m2m_num_src_bufs_ready(ctx->m2m_ctx) &&
1167 ctx->inst_type != CODA_INST_DECODER) ||
1168 !v4l2_m2m_num_dst_bufs_ready(ctx->m2m_ctx)) {
1169 v4l2_dbg(1, coda_debug, &dev->v4l2_dev,
1170 "%d: device_run without buffers\n", ctx->idx);
1171 mutex_unlock(&ctx->buffer_mutex);
1172 schedule_work(&ctx->skip_run);
1173 return;
1174 }
Philipp Zabel477c1cf2013-06-21 03:55:33 -0300[diff] [blame]1175
1176 mutex_lock(&dev->coda_mutex);
1177
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]1178 if (ctx->inst_type == CODA_INST_DECODER) {
1179 ret = coda_prepare_decode(ctx);
1180 if (ret < 0) {
1181 mutex_unlock(&dev->coda_mutex);
1182 mutex_unlock(&ctx->buffer_mutex);
1183 /* job_finish scheduled by prepare_decode */
1184 return;
1185 }
1186 } else {
1187 coda_prepare_encode(ctx);
Philipp Zabel10436672012-07-02 09:03:55 -0300[diff] [blame]1188 }
1189
Philipp Zabelc2d22512013-06-21 03:55:28 -0300[diff] [blame]1190 if (dev->devtype->product != CODA_DX6)
1191 coda_write(dev, ctx->iram_info.axi_sram_use,
1192 CODA7_REG_BIT_AXI_SRAM_USE);
1193
Philipp Zabel2fb57f02012-07-25 09:22:07 -0300[diff] [blame]1194 /* 1 second timeout in case CODA locks up */
1195 schedule_delayed_work(&dev->timeout, HZ);
1196
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]1197 if (ctx->inst_type == CODA_INST_DECODER)
1198 coda_kfifo_sync_to_device_full(ctx);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1199 coda_command_async(ctx, CODA_COMMAND_PIC_RUN);
1200}
1201
1202static int coda_job_ready(void *m2m_priv)
1203{
1204 struct coda_ctx *ctx = m2m_priv;
1205
1206 /*
1207 * For both 'P' and 'key' frame cases 1 picture
Philipp Zabel9082a7c2013-06-21 03:55:31 -0300[diff] [blame]1208 * and 1 frame are needed. In the decoder case,
1209 * the compressed frame can be in the bitstream.
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1210 */
Philipp Zabel9082a7c2013-06-21 03:55:31 -0300[diff] [blame]1211 if (!v4l2_m2m_num_src_bufs_ready(ctx->m2m_ctx) &&
1212 ctx->inst_type != CODA_INST_DECODER) {
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1213 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
1214 "not ready: not enough video buffers.\n");
1215 return 0;
1216 }
1217
Philipp Zabel9082a7c2013-06-21 03:55:31 -0300[diff] [blame]1218 if (!v4l2_m2m_num_dst_bufs_ready(ctx->m2m_ctx)) {
1219 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
1220 "not ready: not enough video capture buffers.\n");
1221 return 0;
1222 }
1223
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]1224 if (ctx->prescan_failed ||
1225 ((ctx->inst_type == CODA_INST_DECODER) &&
1226 (coda_get_bitstream_payload(ctx) < 512) &&
1227 !(ctx->bit_stream_param & CODA_BIT_STREAM_END_FLAG))) {
1228 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
1229 "%d: not ready: not enough bitstream data.\n",
1230 ctx->idx);
1231 return 0;
1232 }
1233
Philipp Zabel3e748262013-05-23 10:43:01 -0300[diff] [blame]1234 if (ctx->aborting) {
1235 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
1236 "not ready: aborting\n");
1237 return 0;
1238 }
1239
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1240 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
1241 "job ready\n");
1242 return 1;
1243}
1244
1245static void coda_job_abort(void *priv)
1246{
1247 struct coda_ctx *ctx = priv;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1248
1249 ctx->aborting = 1;
1250
1251 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
1252 "Aborting task\n");
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1253}
1254
1255static void coda_lock(void *m2m_priv)
1256{
1257 struct coda_ctx *ctx = m2m_priv;
1258 struct coda_dev *pcdev = ctx->dev;
1259 mutex_lock(&pcdev->dev_mutex);
1260}
1261
1262static void coda_unlock(void *m2m_priv)
1263{
1264 struct coda_ctx *ctx = m2m_priv;
1265 struct coda_dev *pcdev = ctx->dev;
1266 mutex_unlock(&pcdev->dev_mutex);
1267}
1268
1269static struct v4l2_m2m_ops coda_m2m_ops = {
1270 .device_run = coda_device_run,
1271 .job_ready = coda_job_ready,
1272 .job_abort = coda_job_abort,
1273 .lock = coda_lock,
1274 .unlock = coda_unlock,
1275};
1276
1277static void set_default_params(struct coda_ctx *ctx)
1278{
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]1279 int max_w;
1280 int max_h;
1281
1282 ctx->codec = &ctx->dev->devtype->codecs[0];
1283 max_w = ctx->codec->max_w;
1284 max_h = ctx->codec->max_h;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1285
1286 ctx->params.codec_mode = CODA_MODE_INVALID;
1287 ctx->colorspace = V4L2_COLORSPACE_REC709;
1288 ctx->params.framerate = 30;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1289 ctx->aborting = 0;
1290
1291 /* Default formats for output and input queues */
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]1292 ctx->q_data[V4L2_M2M_SRC].fourcc = ctx->codec->src_fourcc;
1293 ctx->q_data[V4L2_M2M_DST].fourcc = ctx->codec->dst_fourcc;
1294 ctx->q_data[V4L2_M2M_SRC].width = max_w;
1295 ctx->q_data[V4L2_M2M_SRC].height = max_h;
1296 ctx->q_data[V4L2_M2M_SRC].sizeimage = (max_w * max_h * 3) / 2;
1297 ctx->q_data[V4L2_M2M_DST].width = max_w;
1298 ctx->q_data[V4L2_M2M_DST].height = max_h;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1299 ctx->q_data[V4L2_M2M_DST].sizeimage = CODA_MAX_FRAME_SIZE;
1300}
1301
1302/*
1303 * Queue operations
1304 */
1305static int coda_queue_setup(struct vb2_queue *vq,
1306 const struct v4l2_format *fmt,
1307 unsigned int *nbuffers, unsigned int *nplanes,
1308 unsigned int sizes[], void *alloc_ctxs[])
1309{
1310 struct coda_ctx *ctx = vb2_get_drv_priv(vq);
Philipp Zabele34db062012-08-29 08:22:00 -0300[diff] [blame]1311 struct coda_q_data *q_data;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1312 unsigned int size;
1313
Philipp Zabele34db062012-08-29 08:22:00 -0300[diff] [blame]1314 q_data = get_q_data(ctx, vq->type);
1315 size = q_data->sizeimage;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1316
1317 *nplanes = 1;
1318 sizes[0] = size;
1319
1320 alloc_ctxs[0] = ctx->dev->alloc_ctx;
1321
1322 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
1323 "get %d buffer(s) of size %d each.\n", *nbuffers, size);
1324
1325 return 0;
1326}
1327
1328static int coda_buf_prepare(struct vb2_buffer *vb)
1329{
1330 struct coda_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
1331 struct coda_q_data *q_data;
1332
1333 q_data = get_q_data(ctx, vb->vb2_queue->type);
1334
1335 if (vb2_plane_size(vb, 0) < q_data->sizeimage) {
1336 v4l2_warn(&ctx->dev->v4l2_dev,
1337 "%s data will not fit into plane (%lu < %lu)\n",
1338 __func__, vb2_plane_size(vb, 0),
1339 (long)q_data->sizeimage);
1340 return -EINVAL;
1341 }
1342
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1343 return 0;
1344}
1345
1346static void coda_buf_queue(struct vb2_buffer *vb)
1347{
1348 struct coda_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]1349 struct coda_q_data *q_data;
1350
1351 q_data = get_q_data(ctx, vb->vb2_queue->type);
1352
1353 /*
1354 * In the decoder case, immediately try to copy the buffer into the
1355 * bitstream ringbuffer and mark it as ready to be dequeued.
1356 */
1357 if (q_data->fourcc == V4L2_PIX_FMT_H264 &&
1358 vb->vb2_queue->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
1359 /*
1360 * For backwards compatiblity, queuing an empty buffer marks
1361 * the stream end
1362 */
1363 if (vb2_get_plane_payload(vb, 0) == 0)
1364 ctx->bit_stream_param |= CODA_BIT_STREAM_END_FLAG;
1365 mutex_lock(&ctx->bitstream_mutex);
1366 v4l2_m2m_buf_queue(ctx->m2m_ctx, vb);
1367 coda_fill_bitstream(ctx);
1368 mutex_unlock(&ctx->bitstream_mutex);
1369 } else {
1370 v4l2_m2m_buf_queue(ctx->m2m_ctx, vb);
1371 }
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1372}
1373
1374static void coda_wait_prepare(struct vb2_queue *q)
1375{
1376 struct coda_ctx *ctx = vb2_get_drv_priv(q);
1377 coda_unlock(ctx);
1378}
1379
1380static void coda_wait_finish(struct vb2_queue *q)
1381{
1382 struct coda_ctx *ctx = vb2_get_drv_priv(q);
1383 coda_lock(ctx);
1384}
1385
Philipp Zabel86eda902013-05-23 10:42:57 -0300[diff] [blame]1386static void coda_parabuf_write(struct coda_ctx *ctx, int index, u32 value)
1387{
1388 struct coda_dev *dev = ctx->dev;
1389 u32 *p = ctx->parabuf.vaddr;
1390
1391 if (dev->devtype->product == CODA_DX6)
1392 p[index] = value;
1393 else
1394 p[index ^ 1] = value;
1395}
1396
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]1397static int coda_alloc_aux_buf(struct coda_dev *dev,
1398 struct coda_aux_buf *buf, size_t size)
1399{
1400 buf->vaddr = dma_alloc_coherent(&dev->plat_dev->dev, size, &buf->paddr,
1401 GFP_KERNEL);
1402 if (!buf->vaddr)
1403 return -ENOMEM;
1404
1405 buf->size = size;
1406
1407 return 0;
1408}
1409
1410static inline int coda_alloc_context_buf(struct coda_ctx *ctx,
1411 struct coda_aux_buf *buf, size_t size)
1412{
1413 return coda_alloc_aux_buf(ctx->dev, buf, size);
1414}
1415
1416static void coda_free_aux_buf(struct coda_dev *dev,
1417 struct coda_aux_buf *buf)
1418{
1419 if (buf->vaddr) {
1420 dma_free_coherent(&dev->plat_dev->dev, buf->size,
1421 buf->vaddr, buf->paddr);
1422 buf->vaddr = NULL;
1423 buf->size = 0;
1424 }
1425}
1426
1427static void coda_free_framebuffers(struct coda_ctx *ctx)
1428{
1429 int i;
1430
1431 for (i = 0; i < CODA_MAX_FRAMEBUFFERS; i++)
1432 coda_free_aux_buf(ctx->dev, &ctx->internal_frames[i]);
1433}
1434
Philipp Zabelec25f682012-07-20 08:54:29 -0300[diff] [blame]1435static int coda_alloc_framebuffers(struct coda_ctx *ctx, struct coda_q_data *q_data, u32 fourcc)
1436{
1437 struct coda_dev *dev = ctx->dev;
Philipp Zabelec25f682012-07-20 08:54:29 -0300[diff] [blame]1438 int height = q_data->height;
Philipp Zabel86eda902013-05-23 10:42:57 -0300[diff] [blame]1439 dma_addr_t paddr;
1440 int ysize;
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]1441 int ret;
Philipp Zabelec25f682012-07-20 08:54:29 -0300[diff] [blame]1442 int i;
1443
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]1444 if (ctx->codec && ctx->codec->src_fourcc == V4L2_PIX_FMT_H264)
1445 height = round_up(height, 16);
Philipp Zabel86eda902013-05-23 10:42:57 -0300[diff] [blame]1446 ysize = round_up(q_data->width, 8) * height;
1447
Philipp Zabelec25f682012-07-20 08:54:29 -0300[diff] [blame]1448 /* Allocate frame buffers */
Philipp Zabelec25f682012-07-20 08:54:29 -0300[diff] [blame]1449 for (i = 0; i < ctx->num_internal_frames; i++) {
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]1450 size_t size;
1451
1452 size = q_data->sizeimage;
1453 if (ctx->codec->src_fourcc == V4L2_PIX_FMT_H264 &&
1454 dev->devtype->product != CODA_DX6)
Philipp Zabel86eda902013-05-23 10:42:57 -0300[diff] [blame]1455 ctx->internal_frames[i].size += ysize/4;
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]1456 ret = coda_alloc_context_buf(ctx, &ctx->internal_frames[i], size);
1457 if (ret < 0) {
Philipp Zabelec25f682012-07-20 08:54:29 -0300[diff] [blame]1458 coda_free_framebuffers(ctx);
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]1459 return ret;
Philipp Zabelec25f682012-07-20 08:54:29 -0300[diff] [blame]1460 }
1461 }
1462
1463 /* Register frame buffers in the parameter buffer */
Philipp Zabel86eda902013-05-23 10:42:57 -0300[diff] [blame]1464 for (i = 0; i < ctx->num_internal_frames; i++) {
1465 paddr = ctx->internal_frames[i].paddr;
1466 coda_parabuf_write(ctx, i * 3 + 0, paddr); /* Y */
1467 coda_parabuf_write(ctx, i * 3 + 1, paddr + ysize); /* Cb */
1468 coda_parabuf_write(ctx, i * 3 + 2, paddr + ysize + ysize/4); /* Cr */
Philipp Zabelec25f682012-07-20 08:54:29 -0300[diff] [blame]1469
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]1470 /* mvcol buffer for h.264 */
1471 if (ctx->codec->src_fourcc == V4L2_PIX_FMT_H264 &&
1472 dev->devtype->product != CODA_DX6)
1473 coda_parabuf_write(ctx, 96 + i,
1474 ctx->internal_frames[i].paddr +
1475 ysize + ysize/4 + ysize/4);
Philipp Zabelec25f682012-07-20 08:54:29 -0300[diff] [blame]1476 }
1477
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]1478 /* mvcol buffer for mpeg4 */
1479 if ((dev->devtype->product != CODA_DX6) &&
1480 (ctx->codec->src_fourcc == V4L2_PIX_FMT_MPEG4))
1481 coda_parabuf_write(ctx, 97, ctx->internal_frames[i].paddr +
1482 ysize + ysize/4 + ysize/4);
1483
Philipp Zabelec25f682012-07-20 08:54:29 -0300[diff] [blame]1484 return 0;
1485}
1486
Javier Martin3f3f5c72012-10-29 05:20:29 -0300[diff] [blame]1487static int coda_h264_padding(int size, char *p)
1488{
Javier Martin3f3f5c72012-10-29 05:20:29 -0300[diff] [blame]1489 int nal_size;
1490 int diff;
1491
Javier Martin832fbb52012-10-29 08:34:59 -0300[diff] [blame]1492 diff = size - (size & ~0x7);
Javier Martin3f3f5c72012-10-29 05:20:29 -0300[diff] [blame]1493 if (diff == 0)
1494 return 0;
1495
Javier Martin832fbb52012-10-29 08:34:59 -0300[diff] [blame]1496 nal_size = coda_filler_size[diff];
Javier Martin3f3f5c72012-10-29 05:20:29 -0300[diff] [blame]1497 memcpy(p, coda_filler_nal, nal_size);
1498
1499 /* Add rbsp stop bit and trailing at the end */
1500 *(p + nal_size - 1) = 0x80;
1501
1502 return nal_size;
1503}
1504
Philipp Zabelc2d22512013-06-21 03:55:28 -0300[diff] [blame]1505static void coda_setup_iram(struct coda_ctx *ctx)
1506{
1507 struct coda_iram_info *iram_info = &ctx->iram_info;
1508 struct coda_dev *dev = ctx->dev;
1509 int ipacdc_size;
1510 int bitram_size;
1511 int dbk_size;
Philipp Zabel8358e762013-06-21 03:55:32 -0300[diff] [blame]1512 int ovl_size;
Philipp Zabelc2d22512013-06-21 03:55:28 -0300[diff] [blame]1513 int mb_width;
1514 int me_size;
1515 int size;
1516
1517 memset(iram_info, 0, sizeof(*iram_info));
1518 size = dev->iram_size;
1519
1520 if (dev->devtype->product == CODA_DX6)
1521 return;
1522
1523 if (ctx->inst_type == CODA_INST_ENCODER) {
1524 struct coda_q_data *q_data_src;
1525
1526 q_data_src = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
1527 mb_width = DIV_ROUND_UP(q_data_src->width, 16);
1528
1529 /* Prioritize in case IRAM is too small for everything */
1530 me_size = round_up(round_up(q_data_src->width, 16) * 36 + 2048,
1531 1024);
1532 iram_info->search_ram_size = me_size;
1533 if (size >= iram_info->search_ram_size) {
1534 if (dev->devtype->product == CODA_7541)
1535 iram_info->axi_sram_use |= CODA7_USE_HOST_ME_ENABLE;
1536 iram_info->search_ram_paddr = dev->iram_paddr;
1537 size -= iram_info->search_ram_size;
1538 } else {
1539 pr_err("IRAM is smaller than the search ram size\n");
1540 goto out;
1541 }
1542
1543 /* Only H.264BP and H.263P3 are considered */
1544 dbk_size = round_up(128 * mb_width, 1024);
1545 if (size >= dbk_size) {
1546 iram_info->axi_sram_use |= CODA7_USE_HOST_DBK_ENABLE;
1547 iram_info->buf_dbk_y_use = dev->iram_paddr +
1548 iram_info->search_ram_size;
1549 iram_info->buf_dbk_c_use = iram_info->buf_dbk_y_use +
1550 dbk_size / 2;
1551 size -= dbk_size;
1552 } else {
1553 goto out;
1554 }
1555
1556 bitram_size = round_up(128 * mb_width, 1024);
1557 if (size >= bitram_size) {
1558 iram_info->axi_sram_use |= CODA7_USE_HOST_BIT_ENABLE;
1559 iram_info->buf_bit_use = iram_info->buf_dbk_c_use +
1560 dbk_size / 2;
1561 size -= bitram_size;
1562 } else {
1563 goto out;
1564 }
1565
1566 ipacdc_size = round_up(128 * mb_width, 1024);
1567 if (size >= ipacdc_size) {
1568 iram_info->axi_sram_use |= CODA7_USE_HOST_IP_ENABLE;
1569 iram_info->buf_ip_ac_dc_use = iram_info->buf_bit_use +
1570 bitram_size;
1571 size -= ipacdc_size;
1572 }
1573
Philipp Zabel8358e762013-06-21 03:55:32 -0300[diff] [blame]1574 /* OVL and BTP disabled for encoder */
1575 } else if (ctx->inst_type == CODA_INST_DECODER) {
1576 struct coda_q_data *q_data_dst;
1577 int mb_height;
1578
1579 q_data_dst = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
1580 mb_width = DIV_ROUND_UP(q_data_dst->width, 16);
1581 mb_height = DIV_ROUND_UP(q_data_dst->height, 16);
1582
1583 dbk_size = round_up(256 * mb_width, 1024);
1584 if (size >= dbk_size) {
1585 iram_info->axi_sram_use |= CODA7_USE_HOST_DBK_ENABLE;
1586 iram_info->buf_dbk_y_use = dev->iram_paddr;
1587 iram_info->buf_dbk_c_use = dev->iram_paddr +
1588 dbk_size / 2;
1589 size -= dbk_size;
1590 } else {
1591 goto out;
1592 }
1593
1594 bitram_size = round_up(128 * mb_width, 1024);
1595 if (size >= bitram_size) {
1596 iram_info->axi_sram_use |= CODA7_USE_HOST_BIT_ENABLE;
1597 iram_info->buf_bit_use = iram_info->buf_dbk_c_use +
1598 dbk_size / 2;
1599 size -= bitram_size;
1600 } else {
1601 goto out;
1602 }
1603
1604 ipacdc_size = round_up(128 * mb_width, 1024);
1605 if (size >= ipacdc_size) {
1606 iram_info->axi_sram_use |= CODA7_USE_HOST_IP_ENABLE;
1607 iram_info->buf_ip_ac_dc_use = iram_info->buf_bit_use +
1608 bitram_size;
1609 size -= ipacdc_size;
1610 } else {
1611 goto out;
1612 }
1613
1614 ovl_size = round_up(80 * mb_width, 1024);
Philipp Zabelc2d22512013-06-21 03:55:28 -0300[diff] [blame]1615 }
1616
1617out:
1618 switch (dev->devtype->product) {
1619 case CODA_DX6:
1620 break;
1621 case CODA_7541:
1622 /* i.MX53 uses secondary AXI for IRAM access */
1623 if (iram_info->axi_sram_use & CODA7_USE_HOST_BIT_ENABLE)
1624 iram_info->axi_sram_use |= CODA7_USE_BIT_ENABLE;
1625 if (iram_info->axi_sram_use & CODA7_USE_HOST_IP_ENABLE)
1626 iram_info->axi_sram_use |= CODA7_USE_IP_ENABLE;
1627 if (iram_info->axi_sram_use & CODA7_USE_HOST_DBK_ENABLE)
1628 iram_info->axi_sram_use |= CODA7_USE_DBK_ENABLE;
1629 if (iram_info->axi_sram_use & CODA7_USE_HOST_OVL_ENABLE)
1630 iram_info->axi_sram_use |= CODA7_USE_OVL_ENABLE;
1631 if (iram_info->axi_sram_use & CODA7_USE_HOST_ME_ENABLE)
1632 iram_info->axi_sram_use |= CODA7_USE_ME_ENABLE;
1633 }
1634
1635 if (!(iram_info->axi_sram_use & CODA7_USE_HOST_IP_ENABLE))
1636 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
1637 "IRAM smaller than needed\n");
1638
1639 if (dev->devtype->product == CODA_7541) {
1640 /* TODO - Enabling these causes picture errors on CODA7541 */
Philipp Zabel8358e762013-06-21 03:55:32 -0300[diff] [blame]1641 if (ctx->inst_type == CODA_INST_DECODER) {
1642 /* fw 1.4.50 */
1643 iram_info->axi_sram_use &= ~(CODA7_USE_HOST_IP_ENABLE |
1644 CODA7_USE_IP_ENABLE);
1645 } else {
1646 /* fw 13.4.29 */
Philipp Zabelc2d22512013-06-21 03:55:28 -0300[diff] [blame]1647 iram_info->axi_sram_use &= ~(CODA7_USE_HOST_IP_ENABLE |
1648 CODA7_USE_HOST_DBK_ENABLE |
1649 CODA7_USE_IP_ENABLE |
1650 CODA7_USE_DBK_ENABLE);
1651 }
1652 }
1653}
1654
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]1655static void coda_free_context_buffers(struct coda_ctx *ctx)
1656{
1657 struct coda_dev *dev = ctx->dev;
1658
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]1659 coda_free_aux_buf(dev, &ctx->slicebuf);
1660 coda_free_aux_buf(dev, &ctx->psbuf);
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]1661 if (dev->devtype->product != CODA_DX6)
1662 coda_free_aux_buf(dev, &ctx->workbuf);
1663}
1664
1665static int coda_alloc_context_buffers(struct coda_ctx *ctx,
1666 struct coda_q_data *q_data)
1667{
1668 struct coda_dev *dev = ctx->dev;
1669 size_t size;
1670 int ret;
1671
1672 switch (dev->devtype->product) {
1673 case CODA_7541:
1674 size = CODA7_WORK_BUF_SIZE;
1675 break;
1676 default:
1677 return 0;
1678 }
1679
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]1680 if (ctx->psbuf.vaddr) {
1681 v4l2_err(&dev->v4l2_dev, "psmembuf still allocated\n");
1682 return -EBUSY;
1683 }
1684 if (ctx->slicebuf.vaddr) {
1685 v4l2_err(&dev->v4l2_dev, "slicebuf still allocated\n");
1686 return -EBUSY;
1687 }
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]1688 if (ctx->workbuf.vaddr) {
1689 v4l2_err(&dev->v4l2_dev, "context buffer still allocated\n");
1690 ret = -EBUSY;
1691 return -ENOMEM;
1692 }
1693
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]1694 if (q_data->fourcc == V4L2_PIX_FMT_H264) {
1695 /* worst case slice size */
1696 size = (DIV_ROUND_UP(q_data->width, 16) *
1697 DIV_ROUND_UP(q_data->height, 16)) * 3200 / 8 + 512;
1698 ret = coda_alloc_context_buf(ctx, &ctx->slicebuf, size);
1699 if (ret < 0) {
1700 v4l2_err(&dev->v4l2_dev, "failed to allocate %d byte slice buffer",
1701 ctx->slicebuf.size);
1702 return ret;
1703 }
1704 }
1705
1706 if (dev->devtype->product == CODA_7541) {
1707 ret = coda_alloc_context_buf(ctx, &ctx->psbuf, CODA7_PS_BUF_SIZE);
1708 if (ret < 0) {
1709 v4l2_err(&dev->v4l2_dev, "failed to allocate psmem buffer");
1710 goto err;
1711 }
1712 }
1713
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]1714 ret = coda_alloc_context_buf(ctx, &ctx->workbuf, size);
1715 if (ret < 0) {
1716 v4l2_err(&dev->v4l2_dev, "failed to allocate %d byte context buffer",
1717 ctx->workbuf.size);
1718 goto err;
1719 }
1720
1721 return 0;
1722
1723err:
1724 coda_free_context_buffers(ctx);
1725 return ret;
1726}
1727
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]1728static int coda_start_decoding(struct coda_ctx *ctx)
1729{
1730 struct coda_q_data *q_data_src, *q_data_dst;
1731 u32 bitstream_buf, bitstream_size;
1732 struct coda_dev *dev = ctx->dev;
1733 int width, height;
1734 u32 src_fourcc;
1735 u32 val;
1736 int ret;
1737
1738 /* Start decoding */
1739 q_data_src = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
1740 q_data_dst = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
1741 bitstream_buf = ctx->bitstream.paddr;
1742 bitstream_size = ctx->bitstream.size;
1743 src_fourcc = q_data_src->fourcc;
1744
1745 coda_write(dev, ctx->parabuf.paddr, CODA_REG_BIT_PARA_BUF_ADDR);
1746
1747 /* Update coda bitstream read and write pointers from kfifo */
1748 coda_kfifo_sync_to_device_full(ctx);
1749
1750 ctx->display_idx = -1;
1751 ctx->frm_dis_flg = 0;
1752 coda_write(dev, 0, CODA_REG_BIT_FRM_DIS_FLG(ctx->reg_idx));
1753
1754 coda_write(dev, CODA_BIT_DEC_SEQ_INIT_ESCAPE,
1755 CODA_REG_BIT_BIT_STREAM_PARAM);
1756
1757 coda_write(dev, bitstream_buf, CODA_CMD_DEC_SEQ_BB_START);
1758 coda_write(dev, bitstream_size / 1024, CODA_CMD_DEC_SEQ_BB_SIZE);
1759 val = 0;
1760 if (dev->devtype->product == CODA_7541)
1761 val |= CODA_REORDER_ENABLE;
1762 coda_write(dev, val, CODA_CMD_DEC_SEQ_OPTION);
1763
1764 ctx->params.codec_mode = ctx->codec->mode;
1765 ctx->params.codec_mode_aux = 0;
1766 if (src_fourcc == V4L2_PIX_FMT_H264) {
1767 if (dev->devtype->product == CODA_7541) {
1768 coda_write(dev, ctx->psbuf.paddr,
1769 CODA_CMD_DEC_SEQ_PS_BB_START);
1770 coda_write(dev, (CODA7_PS_BUF_SIZE / 1024),
1771 CODA_CMD_DEC_SEQ_PS_BB_SIZE);
1772 }
1773 }
1774
1775 if (coda_command_sync(ctx, CODA_COMMAND_SEQ_INIT)) {
1776 v4l2_err(&dev->v4l2_dev, "CODA_COMMAND_SEQ_INIT timeout\n");
1777 coda_write(dev, 0, CODA_REG_BIT_BIT_STREAM_PARAM);
1778 return -ETIMEDOUT;
1779 }
1780
1781 /* Update kfifo out pointer from coda bitstream read pointer */
1782 coda_kfifo_sync_from_device(ctx);
1783
1784 coda_write(dev, 0, CODA_REG_BIT_BIT_STREAM_PARAM);
1785
1786 if (coda_read(dev, CODA_RET_DEC_SEQ_SUCCESS) == 0) {
1787 v4l2_err(&dev->v4l2_dev,
1788 "CODA_COMMAND_SEQ_INIT failed, error code = %d\n",
1789 coda_read(dev, CODA_RET_DEC_SEQ_ERR_REASON));
1790 return -EAGAIN;
1791 }
1792
1793 val = coda_read(dev, CODA_RET_DEC_SEQ_SRC_SIZE);
1794 if (dev->devtype->product == CODA_DX6) {
1795 width = (val >> CODADX6_PICWIDTH_OFFSET) & CODADX6_PICWIDTH_MASK;
1796 height = val & CODADX6_PICHEIGHT_MASK;
1797 } else {
1798 width = (val >> CODA7_PICWIDTH_OFFSET) & CODA7_PICWIDTH_MASK;
1799 height = val & CODA7_PICHEIGHT_MASK;
1800 }
1801
1802 if (width > q_data_dst->width || height > q_data_dst->height) {
1803 v4l2_err(&dev->v4l2_dev, "stream is %dx%d, not %dx%d\n",
1804 width, height, q_data_dst->width, q_data_dst->height);
1805 return -EINVAL;
1806 }
1807
1808 width = round_up(width, 16);
1809 height = round_up(height, 16);
1810
1811 v4l2_dbg(1, coda_debug, &dev->v4l2_dev, "%s instance %d now: %dx%d\n",
1812 __func__, ctx->idx, width, height);
1813
1814 ctx->num_internal_frames = coda_read(dev, CODA_RET_DEC_SEQ_FRAME_NEED) + 1;
1815 if (ctx->num_internal_frames > CODA_MAX_FRAMEBUFFERS) {
1816 v4l2_err(&dev->v4l2_dev,
1817 "not enough framebuffers to decode (%d < %d)\n",
1818 CODA_MAX_FRAMEBUFFERS, ctx->num_internal_frames);
1819 return -EINVAL;
1820 }
1821
1822 ret = coda_alloc_framebuffers(ctx, q_data_dst, src_fourcc);
1823 if (ret < 0)
1824 return ret;
1825
1826 /* Tell the decoder how many frame buffers we allocated. */
1827 coda_write(dev, ctx->num_internal_frames, CODA_CMD_SET_FRAME_BUF_NUM);
1828 coda_write(dev, width, CODA_CMD_SET_FRAME_BUF_STRIDE);
1829
1830 if (dev->devtype->product != CODA_DX6) {
1831 /* Set secondary AXI IRAM */
1832 coda_setup_iram(ctx);
1833
1834 coda_write(dev, ctx->iram_info.buf_bit_use,
1835 CODA7_CMD_SET_FRAME_AXI_BIT_ADDR);
1836 coda_write(dev, ctx->iram_info.buf_ip_ac_dc_use,
1837 CODA7_CMD_SET_FRAME_AXI_IPACDC_ADDR);
1838 coda_write(dev, ctx->iram_info.buf_dbk_y_use,
1839 CODA7_CMD_SET_FRAME_AXI_DBKY_ADDR);
1840 coda_write(dev, ctx->iram_info.buf_dbk_c_use,
1841 CODA7_CMD_SET_FRAME_AXI_DBKC_ADDR);
1842 coda_write(dev, ctx->iram_info.buf_ovl_use,
1843 CODA7_CMD_SET_FRAME_AXI_OVL_ADDR);
1844 }
1845
1846 if (src_fourcc == V4L2_PIX_FMT_H264) {
1847 coda_write(dev, ctx->slicebuf.paddr,
1848 CODA_CMD_SET_FRAME_SLICE_BB_START);
1849 coda_write(dev, ctx->slicebuf.size / 1024,
1850 CODA_CMD_SET_FRAME_SLICE_BB_SIZE);
1851 }
1852
1853 if (dev->devtype->product == CODA_7541) {
1854 int max_mb_x = 1920 / 16;
1855 int max_mb_y = 1088 / 16;
1856 int max_mb_num = max_mb_x * max_mb_y;
1857 coda_write(dev, max_mb_num << 16 | max_mb_x << 8 | max_mb_y,
1858 CODA7_CMD_SET_FRAME_MAX_DEC_SIZE);
1859 }
1860
1861 if (coda_command_sync(ctx, CODA_COMMAND_SET_FRAME_BUF)) {
1862 v4l2_err(&ctx->dev->v4l2_dev,
1863 "CODA_COMMAND_SET_FRAME_BUF timeout\n");
1864 return -ETIMEDOUT;
1865 }
1866
1867 return 0;
1868}
1869
Philipp Zabeld35167a2013-05-23 10:42:59 -0300[diff] [blame]1870static int coda_encode_header(struct coda_ctx *ctx, struct vb2_buffer *buf,
1871 int header_code, u8 *header, int *size)
1872{
1873 struct coda_dev *dev = ctx->dev;
1874 int ret;
1875
1876 coda_write(dev, vb2_dma_contig_plane_dma_addr(buf, 0),
1877 CODA_CMD_ENC_HEADER_BB_START);
1878 coda_write(dev, vb2_plane_size(buf, 0), CODA_CMD_ENC_HEADER_BB_SIZE);
1879 coda_write(dev, header_code, CODA_CMD_ENC_HEADER_CODE);
1880 ret = coda_command_sync(ctx, CODA_COMMAND_ENCODE_HEADER);
1881 if (ret < 0) {
1882 v4l2_err(&dev->v4l2_dev, "CODA_COMMAND_ENCODE_HEADER timeout\n");
1883 return ret;
1884 }
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]1885 *size = coda_read(dev, CODA_REG_BIT_WR_PTR(ctx->reg_idx)) -
Philipp Zabeld35167a2013-05-23 10:42:59 -0300[diff] [blame]1886 coda_read(dev, CODA_CMD_ENC_HEADER_BB_START);
1887 memcpy(header, vb2_plane_vaddr(buf, 0), *size);
1888
1889 return 0;
1890}
1891
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1892static int coda_start_streaming(struct vb2_queue *q, unsigned int count)
1893{
1894 struct coda_ctx *ctx = vb2_get_drv_priv(q);
1895 struct v4l2_device *v4l2_dev = &ctx->dev->v4l2_dev;
1896 u32 bitstream_buf, bitstream_size;
1897 struct coda_dev *dev = ctx->dev;
1898 struct coda_q_data *q_data_src, *q_data_dst;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1899 struct vb2_buffer *buf;
Philipp Zabelec25f682012-07-20 08:54:29 -0300[diff] [blame]1900 u32 dst_fourcc;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1901 u32 value;
Philipp Zabeld35167a2013-05-23 10:42:59 -0300[diff] [blame]1902 int ret = 0;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1903
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]1904 q_data_src = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]1905 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
1906 if (q_data_src->fourcc == V4L2_PIX_FMT_H264) {
1907 if (coda_get_bitstream_payload(ctx) < 512)
1908 return -EINVAL;
1909 } else {
1910 if (count < 1)
1911 return -EINVAL;
1912 }
1913
1914 ctx->streamon_out = 1;
1915
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]1916 if (coda_format_is_yuv(q_data_src->fourcc))
1917 ctx->inst_type = CODA_INST_ENCODER;
1918 else
1919 ctx->inst_type = CODA_INST_DECODER;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]1920 } else {
1921 if (count < 1)
1922 return -EINVAL;
1923
1924 ctx->streamon_cap = 1;
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]1925 }
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1926
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]1927 /* Don't start the coda unless both queues are on */
1928 if (!(ctx->streamon_out & ctx->streamon_cap))
1929 return 0;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1930
Philipp Zabeleb107512013-09-30 10:34:45 -0300[diff] [blame^]1931 /* Allow decoder device_run with no new buffers queued */
1932 if (ctx->inst_type == CODA_INST_DECODER)
1933 v4l2_m2m_set_src_buffered(ctx->m2m_ctx, true);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]1934
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]1935 ctx->gopcounter = ctx->params.gop_size - 1;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1936 buf = v4l2_m2m_next_dst_buf(ctx->m2m_ctx);
1937 bitstream_buf = vb2_dma_contig_plane_dma_addr(buf, 0);
1938 q_data_dst = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
1939 bitstream_size = q_data_dst->sizeimage;
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]1940 dst_fourcc = q_data_dst->fourcc;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1941
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]1942 ctx->codec = coda_find_codec(ctx->dev, q_data_src->fourcc,
1943 q_data_dst->fourcc);
1944 if (!ctx->codec) {
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1945 v4l2_err(v4l2_dev, "couldn't tell instance type.\n");
1946 return -EINVAL;
1947 }
1948
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]1949 /* Allocate per-instance buffers */
1950 ret = coda_alloc_context_buffers(ctx, q_data_src);
1951 if (ret < 0)
1952 return ret;
1953
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]1954 if (ctx->inst_type == CODA_INST_DECODER) {
1955 mutex_lock(&dev->coda_mutex);
1956 ret = coda_start_decoding(ctx);
1957 mutex_unlock(&dev->coda_mutex);
1958 if (ret == -EAGAIN) {
1959 return 0;
1960 } else if (ret < 0) {
1961 return ret;
1962 } else {
1963 ctx->initialized = 1;
1964 return 0;
1965 }
1966 }
1967
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1968 if (!coda_is_initialized(dev)) {
1969 v4l2_err(v4l2_dev, "coda is not initialized.\n");
1970 return -EFAULT;
1971 }
Philipp Zabelfcb62822013-05-23 10:43:00 -0300[diff] [blame]1972
1973 mutex_lock(&dev->coda_mutex);
1974
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1975 coda_write(dev, ctx->parabuf.paddr, CODA_REG_BIT_PARA_BUF_ADDR);
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]1976 coda_write(dev, bitstream_buf, CODA_REG_BIT_RD_PTR(ctx->reg_idx));
1977 coda_write(dev, bitstream_buf, CODA_REG_BIT_WR_PTR(ctx->reg_idx));
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1978 switch (dev->devtype->product) {
1979 case CODA_DX6:
1980 coda_write(dev, CODADX6_STREAM_BUF_DYNALLOC_EN |
1981 CODADX6_STREAM_BUF_PIC_RESET, CODA_REG_BIT_STREAM_CTRL);
1982 break;
1983 default:
1984 coda_write(dev, CODA7_STREAM_BUF_DYNALLOC_EN |
1985 CODA7_STREAM_BUF_PIC_RESET, CODA_REG_BIT_STREAM_CTRL);
1986 }
1987
Philipp Zabel10436672012-07-02 09:03:55 -0300[diff] [blame]1988 if (dev->devtype->product == CODA_DX6) {
1989 /* Configure the coda */
1990 coda_write(dev, dev->iram_paddr, CODADX6_REG_BIT_SEARCH_RAM_BASE_ADDR);
1991 }
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1992
1993 /* Could set rotation here if needed */
1994 switch (dev->devtype->product) {
1995 case CODA_DX6:
1996 value = (q_data_src->width & CODADX6_PICWIDTH_MASK) << CODADX6_PICWIDTH_OFFSET;
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]1997 value |= (q_data_src->height & CODADX6_PICHEIGHT_MASK) << CODA_PICHEIGHT_OFFSET;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1998 break;
1999 default:
2000 value = (q_data_src->width & CODA7_PICWIDTH_MASK) << CODA7_PICWIDTH_OFFSET;
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]2001 value |= (q_data_src->height & CODA7_PICHEIGHT_MASK) << CODA_PICHEIGHT_OFFSET;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2002 }
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2003 coda_write(dev, value, CODA_CMD_ENC_SEQ_SRC_SIZE);
2004 coda_write(dev, ctx->params.framerate,
2005 CODA_CMD_ENC_SEQ_SRC_F_RATE);
2006
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]2007 ctx->params.codec_mode = ctx->codec->mode;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2008 switch (dst_fourcc) {
2009 case V4L2_PIX_FMT_MPEG4:
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2010 coda_write(dev, CODA_STD_MPEG4, CODA_CMD_ENC_SEQ_COD_STD);
2011 coda_write(dev, 0, CODA_CMD_ENC_SEQ_MP4_PARA);
2012 break;
2013 case V4L2_PIX_FMT_H264:
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2014 coda_write(dev, CODA_STD_H264, CODA_CMD_ENC_SEQ_COD_STD);
2015 coda_write(dev, 0, CODA_CMD_ENC_SEQ_264_PARA);
2016 break;
2017 default:
2018 v4l2_err(v4l2_dev,
2019 "dst format (0x%08x) invalid.\n", dst_fourcc);
Philipp Zabelfcb62822013-05-23 10:43:00 -0300[diff] [blame]2020 ret = -EINVAL;
2021 goto out;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2022 }
2023
Philipp Zabelc566c782012-08-08 11:59:38 -0300[diff] [blame]2024 switch (ctx->params.slice_mode) {
2025 case V4L2_MPEG_VIDEO_MULTI_SLICE_MODE_SINGLE:
2026 value = 0;
2027 break;
2028 case V4L2_MPEG_VIDEO_MULTI_SICE_MODE_MAX_MB:
2029 value = (ctx->params.slice_max_mb & CODA_SLICING_SIZE_MASK) << CODA_SLICING_SIZE_OFFSET;
2030 value |= (1 & CODA_SLICING_UNIT_MASK) << CODA_SLICING_UNIT_OFFSET;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2031 value |= 1 & CODA_SLICING_MODE_MASK;
Philipp Zabelc566c782012-08-08 11:59:38 -0300[diff] [blame]2032 break;
2033 case V4L2_MPEG_VIDEO_MULTI_SICE_MODE_MAX_BYTES:
2034 value = (ctx->params.slice_max_bits & CODA_SLICING_SIZE_MASK) << CODA_SLICING_SIZE_OFFSET;
2035 value |= (0 & CODA_SLICING_UNIT_MASK) << CODA_SLICING_UNIT_OFFSET;
2036 value |= 1 & CODA_SLICING_MODE_MASK;
2037 break;
2038 }
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2039 coda_write(dev, value, CODA_CMD_ENC_SEQ_SLICE_MODE);
Philipp Zabelc566c782012-08-08 11:59:38 -0300[diff] [blame]2040 value = ctx->params.gop_size & CODA_GOP_SIZE_MASK;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2041 coda_write(dev, value, CODA_CMD_ENC_SEQ_GOP_SIZE);
2042
2043 if (ctx->params.bitrate) {
2044 /* Rate control enabled */
2045 value = (ctx->params.bitrate & CODA_RATECONTROL_BITRATE_MASK) << CODA_RATECONTROL_BITRATE_OFFSET;
2046 value |= 1 & CODA_RATECONTROL_ENABLE_MASK;
2047 } else {
2048 value = 0;
2049 }
2050 coda_write(dev, value, CODA_CMD_ENC_SEQ_RC_PARA);
2051
2052 coda_write(dev, 0, CODA_CMD_ENC_SEQ_RC_BUF_SIZE);
2053 coda_write(dev, 0, CODA_CMD_ENC_SEQ_INTRA_REFRESH);
2054
2055 coda_write(dev, bitstream_buf, CODA_CMD_ENC_SEQ_BB_START);
2056 coda_write(dev, bitstream_size / 1024, CODA_CMD_ENC_SEQ_BB_SIZE);
2057
2058 /* set default gamma */
2059 value = (CODA_DEFAULT_GAMMA & CODA_GAMMA_MASK) << CODA_GAMMA_OFFSET;
2060 coda_write(dev, value, CODA_CMD_ENC_SEQ_RC_GAMMA);
2061
Philipp Zabelfb1fcf12013-05-23 10:42:53 -0300[diff] [blame]2062 if (CODA_DEFAULT_GAMMA > 0) {
2063 if (dev->devtype->product == CODA_DX6)
2064 value = 1 << CODADX6_OPTION_GAMMA_OFFSET;
2065 else
2066 value = 1 << CODA7_OPTION_GAMMA_OFFSET;
2067 } else {
2068 value = 0;
2069 }
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2070 coda_write(dev, value, CODA_CMD_ENC_SEQ_OPTION);
2071
Philipp Zabelc2d22512013-06-21 03:55:28 -0300[diff] [blame]2072 coda_setup_iram(ctx);
2073
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2074 if (dst_fourcc == V4L2_PIX_FMT_H264) {
2075 value = (FMO_SLICE_SAVE_BUF_SIZE << 7);
2076 value |= (0 & CODA_FMOPARAM_TYPE_MASK) << CODA_FMOPARAM_TYPE_OFFSET;
2077 value |= 0 & CODA_FMOPARAM_SLICENUM_MASK;
Philipp Zabel10436672012-07-02 09:03:55 -0300[diff] [blame]2078 if (dev->devtype->product == CODA_DX6) {
2079 coda_write(dev, value, CODADX6_CMD_ENC_SEQ_FMO);
2080 } else {
Philipp Zabelc2d22512013-06-21 03:55:28 -0300[diff] [blame]2081 coda_write(dev, ctx->iram_info.search_ram_paddr,
2082 CODA7_CMD_ENC_SEQ_SEARCH_BASE);
2083 coda_write(dev, ctx->iram_info.search_ram_size,
2084 CODA7_CMD_ENC_SEQ_SEARCH_SIZE);
Philipp Zabel10436672012-07-02 09:03:55 -0300[diff] [blame]2085 }
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2086 }
2087
Philipp Zabelfcb62822013-05-23 10:43:00 -0300[diff] [blame]2088 ret = coda_command_sync(ctx, CODA_COMMAND_SEQ_INIT);
2089 if (ret < 0) {
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2090 v4l2_err(v4l2_dev, "CODA_COMMAND_SEQ_INIT timeout\n");
Philipp Zabelfcb62822013-05-23 10:43:00 -0300[diff] [blame]2091 goto out;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2092 }
2093
Philipp Zabelfcb62822013-05-23 10:43:00 -0300[diff] [blame]2094 if (coda_read(dev, CODA_RET_ENC_SEQ_SUCCESS) == 0) {
2095 v4l2_err(v4l2_dev, "CODA_COMMAND_SEQ_INIT failed\n");
2096 ret = -EFAULT;
2097 goto out;
2098 }
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2099
Philipp Zabel20397492013-06-21 03:55:29 -0300[diff] [blame]2100 ctx->num_internal_frames = 2;
Philipp Zabelec25f682012-07-20 08:54:29 -0300[diff] [blame]2101 ret = coda_alloc_framebuffers(ctx, q_data_src, dst_fourcc);
Philipp Zabelfcb62822013-05-23 10:43:00 -0300[diff] [blame]2102 if (ret < 0) {
2103 v4l2_err(v4l2_dev, "failed to allocate framebuffers\n");
2104 goto out;
2105 }
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2106
Philipp Zabelec25f682012-07-20 08:54:29 -0300[diff] [blame]2107 coda_write(dev, ctx->num_internal_frames, CODA_CMD_SET_FRAME_BUF_NUM);
Philipp Zabel10436672012-07-02 09:03:55 -0300[diff] [blame]2108 coda_write(dev, round_up(q_data_src->width, 8), CODA_CMD_SET_FRAME_BUF_STRIDE);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2109 if (dev->devtype->product == CODA_7541)
2110 coda_write(dev, round_up(q_data_src->width, 8),
2111 CODA7_CMD_SET_FRAME_SOURCE_BUF_STRIDE);
Philipp Zabel10436672012-07-02 09:03:55 -0300[diff] [blame]2112 if (dev->devtype->product != CODA_DX6) {
Philipp Zabelc2d22512013-06-21 03:55:28 -0300[diff] [blame]2113 coda_write(dev, ctx->iram_info.buf_bit_use,
2114 CODA7_CMD_SET_FRAME_AXI_BIT_ADDR);
2115 coda_write(dev, ctx->iram_info.buf_ip_ac_dc_use,
2116 CODA7_CMD_SET_FRAME_AXI_IPACDC_ADDR);
2117 coda_write(dev, ctx->iram_info.buf_dbk_y_use,
2118 CODA7_CMD_SET_FRAME_AXI_DBKY_ADDR);
2119 coda_write(dev, ctx->iram_info.buf_dbk_c_use,
2120 CODA7_CMD_SET_FRAME_AXI_DBKC_ADDR);
2121 coda_write(dev, ctx->iram_info.buf_ovl_use,
2122 CODA7_CMD_SET_FRAME_AXI_OVL_ADDR);
Philipp Zabel10436672012-07-02 09:03:55 -0300[diff] [blame]2123 }
Philipp Zabelfcb62822013-05-23 10:43:00 -0300[diff] [blame]2124 ret = coda_command_sync(ctx, CODA_COMMAND_SET_FRAME_BUF);
2125 if (ret < 0) {
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2126 v4l2_err(v4l2_dev, "CODA_COMMAND_SET_FRAME_BUF timeout\n");
Philipp Zabelfcb62822013-05-23 10:43:00 -0300[diff] [blame]2127 goto out;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2128 }
2129
2130 /* Save stream headers */
2131 buf = v4l2_m2m_next_dst_buf(ctx->m2m_ctx);
2132 switch (dst_fourcc) {
2133 case V4L2_PIX_FMT_H264:
2134 /*
2135 * Get SPS in the first frame and copy it to an
2136 * intermediate buffer.
2137 */
Philipp Zabeld35167a2013-05-23 10:42:59 -0300[diff] [blame]2138 ret = coda_encode_header(ctx, buf, CODA_HEADER_H264_SPS,
2139 &ctx->vpu_header[0][0],
2140 &ctx->vpu_header_size[0]);
2141 if (ret < 0)
2142 goto out;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2143
2144 /*
2145 * Get PPS in the first frame and copy it to an
2146 * intermediate buffer.
2147 */
Philipp Zabeld35167a2013-05-23 10:42:59 -0300[diff] [blame]2148 ret = coda_encode_header(ctx, buf, CODA_HEADER_H264_PPS,
2149 &ctx->vpu_header[1][0],
2150 &ctx->vpu_header_size[1]);
2151 if (ret < 0)
2152 goto out;
2153
Javier Martin3f3f5c72012-10-29 05:20:29 -0300[diff] [blame]2154 /*
2155 * Length of H.264 headers is variable and thus it might not be
2156 * aligned for the coda to append the encoded frame. In that is
2157 * the case a filler NAL must be added to header 2.
2158 */
2159 ctx->vpu_header_size[2] = coda_h264_padding(
2160 (ctx->vpu_header_size[0] +
2161 ctx->vpu_header_size[1]),
2162 ctx->vpu_header[2]);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2163 break;
2164 case V4L2_PIX_FMT_MPEG4:
2165 /*
2166 * Get VOS in the first frame and copy it to an
2167 * intermediate buffer
2168 */
Philipp Zabeld35167a2013-05-23 10:42:59 -0300[diff] [blame]2169 ret = coda_encode_header(ctx, buf, CODA_HEADER_MP4V_VOS,
2170 &ctx->vpu_header[0][0],
2171 &ctx->vpu_header_size[0]);
2172 if (ret < 0)
2173 goto out;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2174
Philipp Zabeld35167a2013-05-23 10:42:59 -0300[diff] [blame]2175 ret = coda_encode_header(ctx, buf, CODA_HEADER_MP4V_VIS,
2176 &ctx->vpu_header[1][0],
2177 &ctx->vpu_header_size[1]);
2178 if (ret < 0)
2179 goto out;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2180
Philipp Zabeld35167a2013-05-23 10:42:59 -0300[diff] [blame]2181 ret = coda_encode_header(ctx, buf, CODA_HEADER_MP4V_VOL,
2182 &ctx->vpu_header[2][0],
2183 &ctx->vpu_header_size[2]);
2184 if (ret < 0)
2185 goto out;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2186 break;
2187 default:
2188 /* No more formats need to save headers at the moment */
2189 break;
2190 }
2191
Philipp Zabeld35167a2013-05-23 10:42:59 -0300[diff] [blame]2192out:
Philipp Zabelfcb62822013-05-23 10:43:00 -0300[diff] [blame]2193 mutex_unlock(&dev->coda_mutex);
Philipp Zabeld35167a2013-05-23 10:42:59 -0300[diff] [blame]2194 return ret;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2195}
2196
2197static int coda_stop_streaming(struct vb2_queue *q)
2198{
2199 struct coda_ctx *ctx = vb2_get_drv_priv(q);
Philipp Zabel2fb57f02012-07-25 09:22:07 -0300[diff] [blame]2200 struct coda_dev *dev = ctx->dev;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2201
2202 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2203 v4l2_dbg(1, coda_debug, &dev->v4l2_dev,
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2204 "%s: output\n", __func__);
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]2205 ctx->streamon_out = 0;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2206
2207 ctx->bit_stream_param |= CODA_BIT_STREAM_END_FLAG;
2208
2209 ctx->isequence = 0;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2210 } else {
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2211 v4l2_dbg(1, coda_debug, &dev->v4l2_dev,
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2212 "%s: capture\n", __func__);
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]2213 ctx->streamon_cap = 0;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2214
2215 ctx->osequence = 0;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2216 }
2217
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2218 if (!ctx->streamon_out && !ctx->streamon_cap) {
2219 kfifo_init(&ctx->bitstream_fifo,
2220 ctx->bitstream.vaddr, ctx->bitstream.size);
2221 ctx->runcounter = 0;
Philipp Zabel62bed142012-07-25 10:40:39 -0300[diff] [blame]2222 }
Philipp Zabel62bed142012-07-25 10:40:39 -0300[diff] [blame]2223
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2224 return 0;
2225}
2226
2227static struct vb2_ops coda_qops = {
2228 .queue_setup = coda_queue_setup,
2229 .buf_prepare = coda_buf_prepare,
2230 .buf_queue = coda_buf_queue,
2231 .wait_prepare = coda_wait_prepare,
2232 .wait_finish = coda_wait_finish,
2233 .start_streaming = coda_start_streaming,
2234 .stop_streaming = coda_stop_streaming,
2235};
2236
2237static int coda_s_ctrl(struct v4l2_ctrl *ctrl)
2238{
2239 struct coda_ctx *ctx =
2240 container_of(ctrl->handler, struct coda_ctx, ctrls);
2241
2242 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
2243 "s_ctrl: id = %d, val = %d\n", ctrl->id, ctrl->val);
2244
2245 switch (ctrl->id) {
Philipp Zabel8f35c7b2012-07-09 04:25:52 -0300[diff] [blame]2246 case V4L2_CID_HFLIP:
2247 if (ctrl->val)
2248 ctx->params.rot_mode |= CODA_MIR_HOR;
2249 else
2250 ctx->params.rot_mode &= ~CODA_MIR_HOR;
2251 break;
2252 case V4L2_CID_VFLIP:
2253 if (ctrl->val)
2254 ctx->params.rot_mode |= CODA_MIR_VER;
2255 else
2256 ctx->params.rot_mode &= ~CODA_MIR_VER;
2257 break;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2258 case V4L2_CID_MPEG_VIDEO_BITRATE:
2259 ctx->params.bitrate = ctrl->val / 1000;
2260 break;
2261 case V4L2_CID_MPEG_VIDEO_GOP_SIZE:
2262 ctx->params.gop_size = ctrl->val;
2263 break;
2264 case V4L2_CID_MPEG_VIDEO_H264_I_FRAME_QP:
2265 ctx->params.h264_intra_qp = ctrl->val;
2266 break;
2267 case V4L2_CID_MPEG_VIDEO_H264_P_FRAME_QP:
2268 ctx->params.h264_inter_qp = ctrl->val;
2269 break;
2270 case V4L2_CID_MPEG_VIDEO_MPEG4_I_FRAME_QP:
2271 ctx->params.mpeg4_intra_qp = ctrl->val;
2272 break;
2273 case V4L2_CID_MPEG_VIDEO_MPEG4_P_FRAME_QP:
2274 ctx->params.mpeg4_inter_qp = ctrl->val;
2275 break;
2276 case V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MODE:
2277 ctx->params.slice_mode = ctrl->val;
2278 break;
2279 case V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_MB:
2280 ctx->params.slice_max_mb = ctrl->val;
2281 break;
Philipp Zabelc566c782012-08-08 11:59:38 -0300[diff] [blame]2282 case V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_BYTES:
2283 ctx->params.slice_max_bits = ctrl->val * 8;
2284 break;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2285 case V4L2_CID_MPEG_VIDEO_HEADER_MODE:
2286 break;
2287 default:
2288 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
2289 "Invalid control, id=%d, val=%d\n",
2290 ctrl->id, ctrl->val);
2291 return -EINVAL;
2292 }
2293
2294 return 0;
2295}
2296
2297static struct v4l2_ctrl_ops coda_ctrl_ops = {
2298 .s_ctrl = coda_s_ctrl,
2299};
2300
2301static int coda_ctrls_setup(struct coda_ctx *ctx)
2302{
2303 v4l2_ctrl_handler_init(&ctx->ctrls, 9);
2304
2305 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
Philipp Zabel8f35c7b2012-07-09 04:25:52 -0300[diff] [blame]2306 V4L2_CID_HFLIP, 0, 1, 1, 0);
2307 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
2308 V4L2_CID_VFLIP, 0, 1, 1, 0);
2309 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2310 V4L2_CID_MPEG_VIDEO_BITRATE, 0, 32767000, 1, 0);
2311 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
2312 V4L2_CID_MPEG_VIDEO_GOP_SIZE, 1, 60, 1, 16);
2313 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
2314 V4L2_CID_MPEG_VIDEO_H264_I_FRAME_QP, 1, 51, 1, 25);
2315 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
2316 V4L2_CID_MPEG_VIDEO_H264_P_FRAME_QP, 1, 51, 1, 25);
2317 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
2318 V4L2_CID_MPEG_VIDEO_MPEG4_I_FRAME_QP, 1, 31, 1, 2);
2319 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
2320 V4L2_CID_MPEG_VIDEO_MPEG4_P_FRAME_QP, 1, 31, 1, 2);
2321 v4l2_ctrl_new_std_menu(&ctx->ctrls, &coda_ctrl_ops,
2322 V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MODE,
Philipp Zabelc566c782012-08-08 11:59:38 -0300[diff] [blame]2323 V4L2_MPEG_VIDEO_MULTI_SICE_MODE_MAX_BYTES, 0x0,
2324 V4L2_MPEG_VIDEO_MULTI_SLICE_MODE_SINGLE);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2325 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
2326 V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_MB, 1, 0x3fffffff, 1, 1);
Philipp Zabelc566c782012-08-08 11:59:38 -0300[diff] [blame]2327 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
2328 V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_BYTES, 1, 0x3fffffff, 1, 500);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2329 v4l2_ctrl_new_std_menu(&ctx->ctrls, &coda_ctrl_ops,
2330 V4L2_CID_MPEG_VIDEO_HEADER_MODE,
2331 V4L2_MPEG_VIDEO_HEADER_MODE_JOINED_WITH_1ST_FRAME,
2332 (1 << V4L2_MPEG_VIDEO_HEADER_MODE_SEPARATE),
2333 V4L2_MPEG_VIDEO_HEADER_MODE_JOINED_WITH_1ST_FRAME);
2334
2335 if (ctx->ctrls.error) {
2336 v4l2_err(&ctx->dev->v4l2_dev, "control initialization error (%d)",
2337 ctx->ctrls.error);
2338 return -EINVAL;
2339 }
2340
2341 return v4l2_ctrl_handler_setup(&ctx->ctrls);
2342}
2343
2344static int coda_queue_init(void *priv, struct vb2_queue *src_vq,
2345 struct vb2_queue *dst_vq)
2346{
2347 struct coda_ctx *ctx = priv;
2348 int ret;
2349
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2350 src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT;
Philipp Zabel419869c2013-05-23 07:06:30 -0300[diff] [blame]2351 src_vq->io_modes = VB2_DMABUF | VB2_MMAP | VB2_USERPTR;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2352 src_vq->drv_priv = ctx;
2353 src_vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer);
2354 src_vq->ops = &coda_qops;
2355 src_vq->mem_ops = &vb2_dma_contig_memops;
Kamil Debskiccd571c2013-04-24 10:38:24 -0300[diff] [blame]2356 src_vq->timestamp_type = V4L2_BUF_FLAG_TIMESTAMP_COPY;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2357
2358 ret = vb2_queue_init(src_vq);
2359 if (ret)
2360 return ret;
2361
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2362 dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
Philipp Zabel419869c2013-05-23 07:06:30 -0300[diff] [blame]2363 dst_vq->io_modes = VB2_DMABUF | VB2_MMAP | VB2_USERPTR;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2364 dst_vq->drv_priv = ctx;
2365 dst_vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer);
2366 dst_vq->ops = &coda_qops;
2367 dst_vq->mem_ops = &vb2_dma_contig_memops;
Kamil Debskiccd571c2013-04-24 10:38:24 -0300[diff] [blame]2368 dst_vq->timestamp_type = V4L2_BUF_FLAG_TIMESTAMP_COPY;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2369
2370 return vb2_queue_init(dst_vq);
2371}
2372
Philipp Zabele11f3e62012-07-25 09:16:58 -0300[diff] [blame]2373static int coda_next_free_instance(struct coda_dev *dev)
2374{
Philipp Zabel0cddc7e2013-09-30 10:34:44 -0300[diff] [blame]2375 int idx = ffz(dev->instance_mask);
2376
2377 if ((idx < 0) ||
2378 (dev->devtype->product == CODA_DX6 && idx > CODADX6_MAX_INSTANCES))
2379 return -EBUSY;
2380
2381 return idx;
Philipp Zabele11f3e62012-07-25 09:16:58 -0300[diff] [blame]2382}
2383
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2384static int coda_open(struct file *file)
2385{
2386 struct coda_dev *dev = video_drvdata(file);
2387 struct coda_ctx *ctx = NULL;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2388 int ret;
Philipp Zabele11f3e62012-07-25 09:16:58 -0300[diff] [blame]2389 int idx;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2390
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2391 ctx = kzalloc(sizeof *ctx, GFP_KERNEL);
2392 if (!ctx)
2393 return -ENOMEM;
2394
Fabio Estevamf82bc202013-08-21 11:14:16 -0300[diff] [blame]2395 idx = coda_next_free_instance(dev);
Philipp Zabel0cddc7e2013-09-30 10:34:44 -0300[diff] [blame]2396 if (idx < 0) {
2397 ret = idx;
Fabio Estevamf82bc202013-08-21 11:14:16 -0300[diff] [blame]2398 goto err_coda_max;
2399 }
2400 set_bit(idx, &dev->instance_mask);
2401
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2402 INIT_WORK(&ctx->skip_run, coda_skip_run);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2403 v4l2_fh_init(&ctx->fh, video_devdata(file));
2404 file->private_data = &ctx->fh;
2405 v4l2_fh_add(&ctx->fh);
2406 ctx->dev = dev;
Philipp Zabele11f3e62012-07-25 09:16:58 -0300[diff] [blame]2407 ctx->idx = idx;
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]2408 switch (dev->devtype->product) {
2409 case CODA_7541:
2410 ctx->reg_idx = 0;
2411 break;
2412 default:
2413 ctx->reg_idx = idx;
2414 }
Fabio Estevamf82bc202013-08-21 11:14:16 -0300[diff] [blame]2415
Fabio Estevam79830db2013-08-21 11:14:17 -0300[diff] [blame]2416 ret = clk_prepare_enable(dev->clk_per);
2417 if (ret)
2418 goto err_clk_per;
2419
2420 ret = clk_prepare_enable(dev->clk_ahb);
2421 if (ret)
2422 goto err_clk_ahb;
2423
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2424 set_default_params(ctx);
2425 ctx->m2m_ctx = v4l2_m2m_ctx_init(dev->m2m_dev, ctx,
2426 &coda_queue_init);
2427 if (IS_ERR(ctx->m2m_ctx)) {
Philipp Zabel72720ff2013-05-21 10:31:25 -0300[diff] [blame]2428 ret = PTR_ERR(ctx->m2m_ctx);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2429
2430 v4l2_err(&dev->v4l2_dev, "%s return error (%d)\n",
2431 __func__, ret);
Fabio Estevamf82bc202013-08-21 11:14:16 -0300[diff] [blame]2432 goto err_ctx_init;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2433 }
2434 ret = coda_ctrls_setup(ctx);
2435 if (ret) {
2436 v4l2_err(&dev->v4l2_dev, "failed to setup coda controls\n");
Fabio Estevamf82bc202013-08-21 11:14:16 -0300[diff] [blame]2437 goto err_ctrls_setup;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2438 }
2439
2440 ctx->fh.ctrl_handler = &ctx->ctrls;
2441
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]2442 ret = coda_alloc_context_buf(ctx, &ctx->parabuf, CODA_PARA_BUF_SIZE);
2443 if (ret < 0) {
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2444 v4l2_err(&dev->v4l2_dev, "failed to allocate parabuf");
Fabio Estevamf82bc202013-08-21 11:14:16 -0300[diff] [blame]2445 goto err_dma_alloc;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2446 }
2447
Philipp Zabel9082a7c2013-06-21 03:55:31 -0300[diff] [blame]2448 ctx->bitstream.size = CODA_MAX_FRAME_SIZE;
2449 ctx->bitstream.vaddr = dma_alloc_writecombine(&dev->plat_dev->dev,
2450 ctx->bitstream.size, &ctx->bitstream.paddr, GFP_KERNEL);
2451 if (!ctx->bitstream.vaddr) {
2452 v4l2_err(&dev->v4l2_dev, "failed to allocate bitstream ringbuffer");
2453 ret = -ENOMEM;
Fabio Estevamf82bc202013-08-21 11:14:16 -0300[diff] [blame]2454 goto err_dma_writecombine;
Philipp Zabel9082a7c2013-06-21 03:55:31 -0300[diff] [blame]2455 }
2456 kfifo_init(&ctx->bitstream_fifo,
2457 ctx->bitstream.vaddr, ctx->bitstream.size);
2458 mutex_init(&ctx->bitstream_mutex);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2459 mutex_init(&ctx->buffer_mutex);
Philipp Zabel9082a7c2013-06-21 03:55:31 -0300[diff] [blame]2460
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2461 coda_lock(ctx);
Philipp Zabele11f3e62012-07-25 09:16:58 -0300[diff] [blame]2462 list_add(&ctx->list, &dev->instances);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2463 coda_unlock(ctx);
2464
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2465 v4l2_dbg(1, coda_debug, &dev->v4l2_dev, "Created instance %d (%p)\n",
2466 ctx->idx, ctx);
2467
2468 return 0;
2469
Fabio Estevamf82bc202013-08-21 11:14:16 -0300[diff] [blame]2470err_dma_writecombine:
2471 coda_free_context_buffers(ctx);
2472 if (ctx->dev->devtype->product == CODA_DX6)
2473 coda_free_aux_buf(dev, &ctx->workbuf);
2474 coda_free_aux_buf(dev, &ctx->parabuf);
2475err_dma_alloc:
2476 v4l2_ctrl_handler_free(&ctx->ctrls);
2477err_ctrls_setup:
2478 v4l2_m2m_ctx_release(ctx->m2m_ctx);
2479err_ctx_init:
2480 clk_disable_unprepare(dev->clk_ahb);
Fabio Estevam79830db2013-08-21 11:14:17 -0300[diff] [blame]2481err_clk_ahb:
Fabio Estevamf82bc202013-08-21 11:14:16 -0300[diff] [blame]2482 clk_disable_unprepare(dev->clk_per);
Fabio Estevam79830db2013-08-21 11:14:17 -0300[diff] [blame]2483err_clk_per:
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2484 v4l2_fh_del(&ctx->fh);
2485 v4l2_fh_exit(&ctx->fh);
Fabio Estevamf82bc202013-08-21 11:14:16 -0300[diff] [blame]2486 clear_bit(ctx->idx, &dev->instance_mask);
2487err_coda_max:
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2488 kfree(ctx);
2489 return ret;
2490}
2491
2492static int coda_release(struct file *file)
2493{
2494 struct coda_dev *dev = video_drvdata(file);
2495 struct coda_ctx *ctx = fh_to_ctx(file->private_data);
2496
2497 v4l2_dbg(1, coda_debug, &dev->v4l2_dev, "Releasing instance %p\n",
2498 ctx);
2499
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2500 /* If this instance is running, call .job_abort and wait for it to end */
2501 v4l2_m2m_ctx_release(ctx->m2m_ctx);
2502
2503 /* In case the instance was not running, we still need to call SEQ_END */
2504 mutex_lock(&dev->coda_mutex);
2505 v4l2_dbg(1, coda_debug, &dev->v4l2_dev,
2506 "%s: sent command 'SEQ_END' to coda\n", __func__);
2507 if (coda_command_sync(ctx, CODA_COMMAND_SEQ_END)) {
2508 v4l2_err(&dev->v4l2_dev,
2509 "CODA_COMMAND_SEQ_END failed\n");
2510 mutex_unlock(&dev->coda_mutex);
2511 return -ETIMEDOUT;
2512 }
2513 mutex_unlock(&dev->coda_mutex);
2514
2515 coda_free_framebuffers(ctx);
2516
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2517 coda_lock(ctx);
Philipp Zabele11f3e62012-07-25 09:16:58 -0300[diff] [blame]2518 list_del(&ctx->list);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2519 coda_unlock(ctx);
2520
Philipp Zabel9082a7c2013-06-21 03:55:31 -0300[diff] [blame]2521 dma_free_writecombine(&dev->plat_dev->dev, ctx->bitstream.size,
2522 ctx->bitstream.vaddr, ctx->bitstream.paddr);
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]2523 coda_free_context_buffers(ctx);
2524 if (ctx->dev->devtype->product == CODA_DX6)
2525 coda_free_aux_buf(dev, &ctx->workbuf);
2526
2527 coda_free_aux_buf(dev, &ctx->parabuf);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2528 v4l2_ctrl_handler_free(&ctx->ctrls);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2529 clk_disable_unprepare(dev->clk_ahb);
Fabio Estevamf82bc202013-08-21 11:14:16 -0300[diff] [blame]2530 clk_disable_unprepare(dev->clk_per);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2531 v4l2_fh_del(&ctx->fh);
2532 v4l2_fh_exit(&ctx->fh);
Philipp Zabele11f3e62012-07-25 09:16:58 -0300[diff] [blame]2533 clear_bit(ctx->idx, &dev->instance_mask);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2534 kfree(ctx);
2535
2536 return 0;
2537}
2538
2539static unsigned int coda_poll(struct file *file,
2540 struct poll_table_struct *wait)
2541{
2542 struct coda_ctx *ctx = fh_to_ctx(file->private_data);
2543 int ret;
2544
2545 coda_lock(ctx);
2546 ret = v4l2_m2m_poll(file, ctx->m2m_ctx, wait);
2547 coda_unlock(ctx);
2548 return ret;
2549}
2550
2551static int coda_mmap(struct file *file, struct vm_area_struct *vma)
2552{
2553 struct coda_ctx *ctx = fh_to_ctx(file->private_data);
2554
2555 return v4l2_m2m_mmap(file, ctx->m2m_ctx, vma);
2556}
2557
2558static const struct v4l2_file_operations coda_fops = {
2559 .owner = THIS_MODULE,
2560 .open = coda_open,
2561 .release = coda_release,
2562 .poll = coda_poll,
2563 .unlocked_ioctl = video_ioctl2,
2564 .mmap = coda_mmap,
2565};
2566
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2567static void coda_finish_decode(struct coda_ctx *ctx)
2568{
2569 struct coda_dev *dev = ctx->dev;
2570 struct coda_q_data *q_data_src;
2571 struct coda_q_data *q_data_dst;
2572 struct vb2_buffer *dst_buf;
2573 int width, height;
2574 int decoded_idx;
2575 int display_idx;
2576 u32 src_fourcc;
2577 int success;
2578 u32 val;
2579
2580 dst_buf = v4l2_m2m_next_dst_buf(ctx->m2m_ctx);
2581
2582 /* Update kfifo out pointer from coda bitstream read pointer */
2583 coda_kfifo_sync_from_device(ctx);
2584
2585 /*
2586 * in stream-end mode, the read pointer can overshoot the write pointer
2587 * by up to 512 bytes
2588 */
2589 if (ctx->bit_stream_param & CODA_BIT_STREAM_END_FLAG) {
2590 if (coda_get_bitstream_payload(ctx) >= 0x100000 - 512)
2591 kfifo_init(&ctx->bitstream_fifo,
2592 ctx->bitstream.vaddr, ctx->bitstream.size);
2593 }
2594
2595 q_data_src = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
2596 src_fourcc = q_data_src->fourcc;
2597
2598 val = coda_read(dev, CODA_RET_DEC_PIC_SUCCESS);
2599 if (val != 1)
2600 pr_err("DEC_PIC_SUCCESS = %d\n", val);
2601
2602 success = val & 0x1;
2603 if (!success)
2604 v4l2_err(&dev->v4l2_dev, "decode failed\n");
2605
2606 if (src_fourcc == V4L2_PIX_FMT_H264) {
2607 if (val & (1 << 3))
2608 v4l2_err(&dev->v4l2_dev,
2609 "insufficient PS buffer space (%d bytes)\n",
2610 ctx->psbuf.size);
2611 if (val & (1 << 2))
2612 v4l2_err(&dev->v4l2_dev,
2613 "insufficient slice buffer space (%d bytes)\n",
2614 ctx->slicebuf.size);
2615 }
2616
2617 val = coda_read(dev, CODA_RET_DEC_PIC_SIZE);
2618 width = (val >> 16) & 0xffff;
2619 height = val & 0xffff;
2620
2621 q_data_dst = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
2622
2623 val = coda_read(dev, CODA_RET_DEC_PIC_TYPE);
2624 if ((val & 0x7) == 0) {
2625 dst_buf->v4l2_buf.flags |= V4L2_BUF_FLAG_KEYFRAME;
2626 dst_buf->v4l2_buf.flags &= ~V4L2_BUF_FLAG_PFRAME;
2627 } else {
2628 dst_buf->v4l2_buf.flags |= V4L2_BUF_FLAG_PFRAME;
2629 dst_buf->v4l2_buf.flags &= ~V4L2_BUF_FLAG_KEYFRAME;
2630 }
2631
2632 val = coda_read(dev, CODA_RET_DEC_PIC_ERR_MB);
2633 if (val > 0)
2634 v4l2_err(&dev->v4l2_dev,
2635 "errors in %d macroblocks\n", val);
2636
2637 if (dev->devtype->product == CODA_7541) {
2638 val = coda_read(dev, CODA_RET_DEC_PIC_OPTION);
2639 if (val == 0) {
2640 /* not enough bitstream data */
2641 v4l2_dbg(1, coda_debug, &dev->v4l2_dev,
2642 "prescan failed: %d\n", val);
2643 ctx->prescan_failed = true;
2644 return;
2645 }
2646 }
2647
2648 ctx->frm_dis_flg = coda_read(dev, CODA_REG_BIT_FRM_DIS_FLG(ctx->reg_idx));
2649
2650 /*
2651 * The previous display frame was copied out by the rotator,
2652 * now it can be overwritten again
2653 */
2654 if (ctx->display_idx >= 0 &&
2655 ctx->display_idx < ctx->num_internal_frames) {
2656 ctx->frm_dis_flg &= ~(1 << ctx->display_idx);
2657 coda_write(dev, ctx->frm_dis_flg,
2658 CODA_REG_BIT_FRM_DIS_FLG(ctx->reg_idx));
2659 }
2660
2661 /*
2662 * The index of the last decoded frame, not necessarily in
2663 * display order, and the index of the next display frame.
2664 * The latter could have been decoded in a previous run.
2665 */
2666 decoded_idx = coda_read(dev, CODA_RET_DEC_PIC_CUR_IDX);
2667 display_idx = coda_read(dev, CODA_RET_DEC_PIC_FRAME_IDX);
2668
2669 if (decoded_idx == -1) {
2670 /* no frame was decoded, but we might have a display frame */
2671 if (display_idx < 0 && ctx->display_idx < 0)
2672 ctx->prescan_failed = true;
2673 } else if (decoded_idx == -2) {
2674 /* no frame was decoded, we still return the remaining buffers */
2675 } else if (decoded_idx < 0 || decoded_idx >= ctx->num_internal_frames) {
2676 v4l2_err(&dev->v4l2_dev,
2677 "decoded frame index out of range: %d\n", decoded_idx);
2678 }
2679
2680 if (display_idx == -1) {
2681 /*
2682 * no more frames to be decoded, but there could still
2683 * be rotator output to dequeue
2684 */
2685 ctx->prescan_failed = true;
2686 } else if (display_idx == -3) {
2687 /* possibly prescan failure */
2688 } else if (display_idx < 0 || display_idx >= ctx->num_internal_frames) {
2689 v4l2_err(&dev->v4l2_dev,
2690 "presentation frame index out of range: %d\n",
2691 display_idx);
2692 }
2693
2694 /* If a frame was copied out, return it */
2695 if (ctx->display_idx >= 0 &&
2696 ctx->display_idx < ctx->num_internal_frames) {
2697 dst_buf = v4l2_m2m_dst_buf_remove(ctx->m2m_ctx);
2698 dst_buf->v4l2_buf.sequence = ctx->osequence++;
2699
2700 vb2_set_plane_payload(dst_buf, 0, width * height * 3 / 2);
2701
2702 v4l2_m2m_buf_done(dst_buf, success ? VB2_BUF_STATE_DONE :
2703 VB2_BUF_STATE_ERROR);
2704
2705 v4l2_dbg(1, coda_debug, &dev->v4l2_dev,
2706 "job finished: decoding frame (%d) (%s)\n",
2707 dst_buf->v4l2_buf.sequence,
2708 (dst_buf->v4l2_buf.flags & V4L2_BUF_FLAG_KEYFRAME) ?
2709 "KEYFRAME" : "PFRAME");
2710 } else {
2711 v4l2_dbg(1, coda_debug, &dev->v4l2_dev,
2712 "job finished: no frame decoded\n");
2713 }
2714
2715 /* The rotator will copy the current display frame next time */
2716 ctx->display_idx = display_idx;
2717}
2718
2719static void coda_finish_encode(struct coda_ctx *ctx)
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2720{
Philipp Zabelec25f682012-07-20 08:54:29 -0300[diff] [blame]2721 struct vb2_buffer *src_buf, *dst_buf;
Philipp Zabel477c1cf2013-06-21 03:55:33 -0300[diff] [blame]2722 struct coda_dev *dev = ctx->dev;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2723 u32 wr_ptr, start_ptr;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2724
Philipp Zabelec25f682012-07-20 08:54:29 -0300[diff] [blame]2725 src_buf = v4l2_m2m_src_buf_remove(ctx->m2m_ctx);
2726 dst_buf = v4l2_m2m_dst_buf_remove(ctx->m2m_ctx);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2727
2728 /* Get results from the coda */
2729 coda_read(dev, CODA_RET_ENC_PIC_TYPE);
2730 start_ptr = coda_read(dev, CODA_CMD_ENC_PIC_BB_START);
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]2731 wr_ptr = coda_read(dev, CODA_REG_BIT_WR_PTR(ctx->reg_idx));
2732
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2733 /* Calculate bytesused field */
2734 if (dst_buf->v4l2_buf.sequence == 0) {
Philipp Zabel366108f2013-06-21 03:55:27 -0300[diff] [blame]2735 vb2_set_plane_payload(dst_buf, 0, wr_ptr - start_ptr +
2736 ctx->vpu_header_size[0] +
2737 ctx->vpu_header_size[1] +
2738 ctx->vpu_header_size[2]);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2739 } else {
Philipp Zabel366108f2013-06-21 03:55:27 -0300[diff] [blame]2740 vb2_set_plane_payload(dst_buf, 0, wr_ptr - start_ptr);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2741 }
2742
2743 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev, "frame size = %u\n",
2744 wr_ptr - start_ptr);
2745
2746 coda_read(dev, CODA_RET_ENC_PIC_SLICE_NUM);
2747 coda_read(dev, CODA_RET_ENC_PIC_FLAG);
2748
2749 if (src_buf->v4l2_buf.flags & V4L2_BUF_FLAG_KEYFRAME) {
2750 dst_buf->v4l2_buf.flags |= V4L2_BUF_FLAG_KEYFRAME;
2751 dst_buf->v4l2_buf.flags &= ~V4L2_BUF_FLAG_PFRAME;
2752 } else {
2753 dst_buf->v4l2_buf.flags |= V4L2_BUF_FLAG_PFRAME;
2754 dst_buf->v4l2_buf.flags &= ~V4L2_BUF_FLAG_KEYFRAME;
2755 }
2756
Kamil Debskiccd571c2013-04-24 10:38:24 -0300[diff] [blame]2757 dst_buf->v4l2_buf.timestamp = src_buf->v4l2_buf.timestamp;
2758 dst_buf->v4l2_buf.timecode = src_buf->v4l2_buf.timecode;
2759
Philipp Zabelec25f682012-07-20 08:54:29 -0300[diff] [blame]2760 v4l2_m2m_buf_done(src_buf, VB2_BUF_STATE_DONE);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2761 v4l2_m2m_buf_done(dst_buf, VB2_BUF_STATE_DONE);
2762
2763 ctx->gopcounter--;
2764 if (ctx->gopcounter < 0)
2765 ctx->gopcounter = ctx->params.gop_size - 1;
2766
2767 v4l2_dbg(1, coda_debug, &dev->v4l2_dev,
2768 "job finished: encoding frame (%d) (%s)\n",
2769 dst_buf->v4l2_buf.sequence,
2770 (dst_buf->v4l2_buf.flags & V4L2_BUF_FLAG_KEYFRAME) ?
2771 "KEYFRAME" : "PFRAME");
Philipp Zabel477c1cf2013-06-21 03:55:33 -0300[diff] [blame]2772}
2773
2774static irqreturn_t coda_irq_handler(int irq, void *data)
2775{
2776 struct coda_dev *dev = data;
2777 struct coda_ctx *ctx;
2778
2779 cancel_delayed_work(&dev->timeout);
2780
2781 /* read status register to attend the IRQ */
2782 coda_read(dev, CODA_REG_BIT_INT_STATUS);
2783 coda_write(dev, CODA_REG_BIT_INT_CLEAR_SET,
2784 CODA_REG_BIT_INT_CLEAR);
2785
2786 ctx = v4l2_m2m_get_curr_priv(dev->m2m_dev);
2787 if (ctx == NULL) {
2788 v4l2_err(&dev->v4l2_dev, "Instance released before the end of transaction\n");
2789 mutex_unlock(&dev->coda_mutex);
2790 return IRQ_HANDLED;
2791 }
2792
2793 if (ctx->aborting) {
2794 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
2795 "task has been aborted\n");
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2796 goto out;
Philipp Zabel477c1cf2013-06-21 03:55:33 -0300[diff] [blame]2797 }
2798
2799 if (coda_isbusy(ctx->dev)) {
2800 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
2801 "coda is still busy!!!!\n");
2802 return IRQ_NONE;
2803 }
2804
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2805 if (ctx->inst_type == CODA_INST_DECODER)
2806 coda_finish_decode(ctx);
2807 else
2808 coda_finish_encode(ctx);
2809
2810out:
2811 if (ctx->aborting || (!ctx->streamon_cap && !ctx->streamon_out)) {
2812 v4l2_dbg(1, coda_debug, &dev->v4l2_dev,
2813 "%s: sent command 'SEQ_END' to coda\n", __func__);
2814 if (coda_command_sync(ctx, CODA_COMMAND_SEQ_END)) {
2815 v4l2_err(&dev->v4l2_dev,
2816 "CODA_COMMAND_SEQ_END failed\n");
2817 }
2818
2819 kfifo_init(&ctx->bitstream_fifo,
2820 ctx->bitstream.vaddr, ctx->bitstream.size);
2821
2822 coda_free_framebuffers(ctx);
2823 coda_free_context_buffers(ctx);
2824 }
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2825
Philipp Zabelfcb62822013-05-23 10:43:00 -0300[diff] [blame]2826 mutex_unlock(&dev->coda_mutex);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2827 mutex_unlock(&ctx->buffer_mutex);
Philipp Zabelfcb62822013-05-23 10:43:00 -0300[diff] [blame]2828
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2829 v4l2_m2m_job_finish(ctx->dev->m2m_dev, ctx->m2m_ctx);
2830
2831 return IRQ_HANDLED;
2832}
2833
Philipp Zabel2fb57f02012-07-25 09:22:07 -0300[diff] [blame]2834static void coda_timeout(struct work_struct *work)
2835{
2836 struct coda_ctx *ctx;
2837 struct coda_dev *dev = container_of(to_delayed_work(work),
2838 struct coda_dev, timeout);
2839
Philipp Zabel39cc0292013-05-21 10:32:42 -0300[diff] [blame]2840 dev_err(&dev->plat_dev->dev, "CODA PIC_RUN timeout, stopping all streams\n");
Philipp Zabel2fb57f02012-07-25 09:22:07 -0300[diff] [blame]2841
2842 mutex_lock(&dev->dev_mutex);
2843 list_for_each_entry(ctx, &dev->instances, list) {
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2844 if (mutex_is_locked(&ctx->buffer_mutex))
2845 mutex_unlock(&ctx->buffer_mutex);
Philipp Zabel2fb57f02012-07-25 09:22:07 -0300[diff] [blame]2846 v4l2_m2m_streamoff(NULL, ctx->m2m_ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
2847 v4l2_m2m_streamoff(NULL, ctx->m2m_ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
2848 }
2849 mutex_unlock(&dev->dev_mutex);
Philipp Zabelfcb62822013-05-23 10:43:00 -0300[diff] [blame]2850
2851 mutex_unlock(&dev->coda_mutex);
2852 ctx = v4l2_m2m_get_curr_priv(dev->m2m_dev);
2853 v4l2_m2m_job_finish(ctx->dev->m2m_dev, ctx->m2m_ctx);
Philipp Zabel2fb57f02012-07-25 09:22:07 -0300[diff] [blame]2854}
2855
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2856static u32 coda_supported_firmwares[] = {
2857 CODA_FIRMWARE_VERNUM(CODA_DX6, 2, 2, 5),
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]2858 CODA_FIRMWARE_VERNUM(CODA_7541, 1, 4, 50),
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2859};
2860
2861static bool coda_firmware_supported(u32 vernum)
2862{
2863 int i;
2864
2865 for (i = 0; i < ARRAY_SIZE(coda_supported_firmwares); i++)
2866 if (vernum == coda_supported_firmwares[i])
2867 return true;
2868 return false;
2869}
2870
2871static char *coda_product_name(int product)
2872{
2873 static char buf[9];
2874
2875 switch (product) {
2876 case CODA_DX6:
2877 return "CodaDx6";
Philipp Zabeldf1e74c2012-07-02 06:07:10 -0300[diff] [blame]2878 case CODA_7541:
2879 return "CODA7541";
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2880 default:
2881 snprintf(buf, sizeof(buf), "(0x%04x)", product);
2882 return buf;
2883 }
2884}
2885
Philipp Zabel87048bb2012-07-02 07:03:43 -0300[diff] [blame]2886static int coda_hw_init(struct coda_dev *dev)
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2887{
2888 u16 product, major, minor, release;
2889 u32 data;
2890 u16 *p;
Fabio Estevam79830db2013-08-21 11:14:17 -0300[diff] [blame]2891 int i, ret;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2892
Fabio Estevam79830db2013-08-21 11:14:17 -0300[diff] [blame]2893 ret = clk_prepare_enable(dev->clk_per);
2894 if (ret)
2895 return ret;
2896
2897 ret = clk_prepare_enable(dev->clk_ahb);
2898 if (ret)
2899 goto err_clk_ahb;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2900
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2901 /*
2902 * Copy the first CODA_ISRAM_SIZE in the internal SRAM.
Philipp Zabel87048bb2012-07-02 07:03:43 -0300[diff] [blame]2903 * The 16-bit chars in the code buffer are in memory access
2904 * order, re-sort them to CODA order for register download.
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2905 * Data in this SRAM survives a reboot.
2906 */
Philipp Zabel87048bb2012-07-02 07:03:43 -0300[diff] [blame]2907 p = (u16 *)dev->codebuf.vaddr;
2908 if (dev->devtype->product == CODA_DX6) {
2909 for (i = 0; i < (CODA_ISRAM_SIZE / 2); i++) {
2910 data = CODA_DOWN_ADDRESS_SET(i) |
2911 CODA_DOWN_DATA_SET(p[i ^ 1]);
2912 coda_write(dev, data, CODA_REG_BIT_CODE_DOWN);
2913 }
2914 } else {
2915 for (i = 0; i < (CODA_ISRAM_SIZE / 2); i++) {
2916 data = CODA_DOWN_ADDRESS_SET(i) |
2917 CODA_DOWN_DATA_SET(p[round_down(i, 4) +
2918 3 - (i % 4)]);
2919 coda_write(dev, data, CODA_REG_BIT_CODE_DOWN);
2920 }
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2921 }
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2922
Philipp Zabel9acf7692013-05-23 10:42:56 -0300[diff] [blame]2923 /* Clear registers */
2924 for (i = 0; i < 64; i++)
2925 coda_write(dev, 0, CODA_REG_BIT_CODE_BUF_ADDR + i * 4);
2926
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2927 /* Tell the BIT where to find everything it needs */
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]2928 if (dev->devtype->product == CODA_7541) {
2929 coda_write(dev, dev->tempbuf.paddr,
2930 CODA_REG_BIT_TEMP_BUF_ADDR);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2931 coda_write(dev, 0, CODA_REG_BIT_BIT_STREAM_PARAM);
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]2932 } else {
2933 coda_write(dev, dev->workbuf.paddr,
2934 CODA_REG_BIT_WORK_BUF_ADDR);
2935 }
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2936 coda_write(dev, dev->codebuf.paddr,
2937 CODA_REG_BIT_CODE_BUF_ADDR);
2938 coda_write(dev, 0, CODA_REG_BIT_CODE_RUN);
2939
2940 /* Set default values */
2941 switch (dev->devtype->product) {
2942 case CODA_DX6:
2943 coda_write(dev, CODADX6_STREAM_BUF_PIC_FLUSH, CODA_REG_BIT_STREAM_CTRL);
2944 break;
2945 default:
2946 coda_write(dev, CODA7_STREAM_BUF_PIC_FLUSH, CODA_REG_BIT_STREAM_CTRL);
2947 }
2948 coda_write(dev, 0, CODA_REG_BIT_FRAME_MEM_CTRL);
Philipp Zabel10436672012-07-02 09:03:55 -0300[diff] [blame]2949
2950 if (dev->devtype->product != CODA_DX6)
2951 coda_write(dev, 0, CODA7_REG_BIT_AXI_SRAM_USE);
2952
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2953 coda_write(dev, CODA_INT_INTERRUPT_ENABLE,
2954 CODA_REG_BIT_INT_ENABLE);
2955
2956 /* Reset VPU and start processor */
2957 data = coda_read(dev, CODA_REG_BIT_CODE_RESET);
2958 data |= CODA_REG_RESET_ENABLE;
2959 coda_write(dev, data, CODA_REG_BIT_CODE_RESET);
2960 udelay(10);
2961 data &= ~CODA_REG_RESET_ENABLE;
2962 coda_write(dev, data, CODA_REG_BIT_CODE_RESET);
2963 coda_write(dev, CODA_REG_RUN_ENABLE, CODA_REG_BIT_CODE_RUN);
2964
2965 /* Load firmware */
2966 coda_write(dev, 0, CODA_CMD_FIRMWARE_VERNUM);
2967 coda_write(dev, CODA_REG_BIT_BUSY_FLAG, CODA_REG_BIT_BUSY);
2968 coda_write(dev, 0, CODA_REG_BIT_RUN_INDEX);
2969 coda_write(dev, 0, CODA_REG_BIT_RUN_COD_STD);
2970 coda_write(dev, CODA_COMMAND_FIRMWARE_GET, CODA_REG_BIT_RUN_COMMAND);
2971 if (coda_wait_timeout(dev)) {
2972 clk_disable_unprepare(dev->clk_per);
2973 clk_disable_unprepare(dev->clk_ahb);
2974 v4l2_err(&dev->v4l2_dev, "firmware get command error\n");
2975 return -EIO;
2976 }
2977
2978 /* Check we are compatible with the loaded firmware */
2979 data = coda_read(dev, CODA_CMD_FIRMWARE_VERNUM);
2980 product = CODA_FIRMWARE_PRODUCT(data);
2981 major = CODA_FIRMWARE_MAJOR(data);
2982 minor = CODA_FIRMWARE_MINOR(data);
2983 release = CODA_FIRMWARE_RELEASE(data);
2984
2985 clk_disable_unprepare(dev->clk_per);
2986 clk_disable_unprepare(dev->clk_ahb);
2987
2988 if (product != dev->devtype->product) {
2989 v4l2_err(&dev->v4l2_dev, "Wrong firmware. Hw: %s, Fw: %s,"
2990 " Version: %u.%u.%u\n",
2991 coda_product_name(dev->devtype->product),
2992 coda_product_name(product), major, minor, release);
2993 return -EINVAL;
2994 }
2995
2996 v4l2_info(&dev->v4l2_dev, "Initialized %s.\n",
2997 coda_product_name(product));
2998
2999 if (coda_firmware_supported(data)) {
3000 v4l2_info(&dev->v4l2_dev, "Firmware version: %u.%u.%u\n",
3001 major, minor, release);
3002 } else {
3003 v4l2_warn(&dev->v4l2_dev, "Unsupported firmware version: "
3004 "%u.%u.%u\n", major, minor, release);
3005 }
3006
3007 return 0;
Fabio Estevam79830db2013-08-21 11:14:17 -0300[diff] [blame]3008
3009err_clk_ahb:
3010 clk_disable_unprepare(dev->clk_per);
3011 return ret;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3012}
3013
3014static void coda_fw_callback(const struct firmware *fw, void *context)
3015{
3016 struct coda_dev *dev = context;
3017 struct platform_device *pdev = dev->plat_dev;
3018 int ret;
3019
3020 if (!fw) {
3021 v4l2_err(&dev->v4l2_dev, "firmware request failed\n");
3022 return;
3023 }
3024
3025 /* allocate auxiliary per-device code buffer for the BIT processor */
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]3026 ret = coda_alloc_aux_buf(dev, &dev->codebuf, fw->size);
3027 if (ret < 0) {
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3028 dev_err(&pdev->dev, "failed to allocate code buffer\n");
3029 return;
3030 }
3031
Philipp Zabel87048bb2012-07-02 07:03:43 -0300[diff] [blame]3032 /* Copy the whole firmware image to the code buffer */
3033 memcpy(dev->codebuf.vaddr, fw->data, fw->size);
3034 release_firmware(fw);
3035
3036 ret = coda_hw_init(dev);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3037 if (ret) {
3038 v4l2_err(&dev->v4l2_dev, "HW initialization failed\n");
3039 return;
3040 }
3041
3042 dev->vfd.fops = &coda_fops,
3043 dev->vfd.ioctl_ops = &coda_ioctl_ops;
3044 dev->vfd.release = video_device_release_empty,
3045 dev->vfd.lock = &dev->dev_mutex;
3046 dev->vfd.v4l2_dev = &dev->v4l2_dev;
Hans Verkuil954f3402012-09-05 06:05:50 -0300[diff] [blame]3047 dev->vfd.vfl_dir = VFL_DIR_M2M;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3048 snprintf(dev->vfd.name, sizeof(dev->vfd.name), "%s", CODA_NAME);
3049 video_set_drvdata(&dev->vfd, dev);
3050
3051 dev->alloc_ctx = vb2_dma_contig_init_ctx(&pdev->dev);
3052 if (IS_ERR(dev->alloc_ctx)) {
3053 v4l2_err(&dev->v4l2_dev, "Failed to alloc vb2 context\n");
3054 return;
3055 }
3056
3057 dev->m2m_dev = v4l2_m2m_init(&coda_m2m_ops);
3058 if (IS_ERR(dev->m2m_dev)) {
3059 v4l2_err(&dev->v4l2_dev, "Failed to init mem2mem device\n");
3060 goto rel_ctx;
3061 }
3062
3063 ret = video_register_device(&dev->vfd, VFL_TYPE_GRABBER, 0);
3064 if (ret) {
3065 v4l2_err(&dev->v4l2_dev, "Failed to register video device\n");
3066 goto rel_m2m;
3067 }
3068 v4l2_info(&dev->v4l2_dev, "codec registered as /dev/video%d\n",
3069 dev->vfd.num);
3070
3071 return;
3072
3073rel_m2m:
3074 v4l2_m2m_release(dev->m2m_dev);
3075rel_ctx:
3076 vb2_dma_contig_cleanup_ctx(dev->alloc_ctx);
3077}
3078
3079static int coda_firmware_request(struct coda_dev *dev)
3080{
3081 char *fw = dev->devtype->firmware;
3082
3083 dev_dbg(&dev->plat_dev->dev, "requesting firmware '%s' for %s\n", fw,
3084 coda_product_name(dev->devtype->product));
3085
3086 return request_firmware_nowait(THIS_MODULE, true,
3087 fw, &dev->plat_dev->dev, GFP_KERNEL, dev, coda_fw_callback);
3088}
3089
3090enum coda_platform {
3091 CODA_IMX27,
Philipp Zabeldf1e74c2012-07-02 06:07:10 -0300[diff] [blame]3092 CODA_IMX53,
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3093};
3094
Emil Goodec06d8752012-08-14 17:44:42 -0300[diff] [blame]3095static const struct coda_devtype coda_devdata[] = {
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3096 [CODA_IMX27] = {
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]3097 .firmware = "v4l-codadx6-imx27.bin",
3098 .product = CODA_DX6,
3099 .codecs = codadx6_codecs,
3100 .num_codecs = ARRAY_SIZE(codadx6_codecs),
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3101 },
Philipp Zabeldf1e74c2012-07-02 06:07:10 -0300[diff] [blame]3102 [CODA_IMX53] = {
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]3103 .firmware = "v4l-coda7541-imx53.bin",
3104 .product = CODA_7541,
3105 .codecs = coda7_codecs,
3106 .num_codecs = ARRAY_SIZE(coda7_codecs),
Philipp Zabeldf1e74c2012-07-02 06:07:10 -0300[diff] [blame]3107 },
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3108};
3109
3110static struct platform_device_id coda_platform_ids[] = {
3111 { .name = "coda-imx27", .driver_data = CODA_IMX27 },
Fabio Estevam4e44cd02012-10-10 00:07:38 -0300[diff] [blame]3112 { .name = "coda-imx53", .driver_data = CODA_IMX53 },
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3113 { /* sentinel */ }
3114};
3115MODULE_DEVICE_TABLE(platform, coda_platform_ids);
3116
3117#ifdef CONFIG_OF
3118static const struct of_device_id coda_dt_ids[] = {
Alexander Shiyan7b0dd9e2013-06-15 08:09:57 -0300[diff] [blame]3119 { .compatible = "fsl,imx27-vpu", .data = &coda_devdata[CODA_IMX27] },
Philipp Zabeldf1e74c2012-07-02 06:07:10 -0300[diff] [blame]3120 { .compatible = "fsl,imx53-vpu", .data = &coda_devdata[CODA_IMX53] },
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3121 { /* sentinel */ }
3122};
3123MODULE_DEVICE_TABLE(of, coda_dt_ids);
3124#endif
3125
Greg Kroah-Hartman4c62e972012-12-21 13:17:53 -0800[diff] [blame]3126static int coda_probe(struct platform_device *pdev)
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3127{
3128 const struct of_device_id *of_id =
3129 of_match_device(of_match_ptr(coda_dt_ids), &pdev->dev);
3130 const struct platform_device_id *pdev_id;
Philipp Zabel657eee72013-04-29 16:17:14 -0700[diff] [blame]3131 struct coda_platform_data *pdata = pdev->dev.platform_data;
3132 struct device_node *np = pdev->dev.of_node;
3133 struct gen_pool *pool;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3134 struct coda_dev *dev;
3135 struct resource *res;
3136 int ret, irq;
3137
3138 dev = devm_kzalloc(&pdev->dev, sizeof *dev, GFP_KERNEL);
3139 if (!dev) {
3140 dev_err(&pdev->dev, "Not enough memory for %s\n",
3141 CODA_NAME);
3142 return -ENOMEM;
3143 }
3144
3145 spin_lock_init(&dev->irqlock);
Philipp Zabele11f3e62012-07-25 09:16:58 -0300[diff] [blame]3146 INIT_LIST_HEAD(&dev->instances);
Philipp Zabel2fb57f02012-07-25 09:22:07 -0300[diff] [blame]3147 INIT_DELAYED_WORK(&dev->timeout, coda_timeout);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3148
3149 dev->plat_dev = pdev;
3150 dev->clk_per = devm_clk_get(&pdev->dev, "per");
3151 if (IS_ERR(dev->clk_per)) {
3152 dev_err(&pdev->dev, "Could not get per clock\n");
3153 return PTR_ERR(dev->clk_per);
3154 }
3155
3156 dev->clk_ahb = devm_clk_get(&pdev->dev, "ahb");
3157 if (IS_ERR(dev->clk_ahb)) {
3158 dev_err(&pdev->dev, "Could not get ahb clock\n");
3159 return PTR_ERR(dev->clk_ahb);
3160 }
3161
3162 /* Get memory for physical registers */
3163 res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
Philipp Zabel611cbbf2013-05-21 04:19:27 -0300[diff] [blame]3164 dev->regs_base = devm_ioremap_resource(&pdev->dev, res);
3165 if (IS_ERR(dev->regs_base))
3166 return PTR_ERR(dev->regs_base);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3167
3168 /* IRQ */
3169 irq = platform_get_irq(pdev, 0);
3170 if (irq < 0) {
3171 dev_err(&pdev->dev, "failed to get irq resource\n");
3172 return -ENOENT;
3173 }
3174
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]3175 if (devm_request_threaded_irq(&pdev->dev, irq, NULL, coda_irq_handler,
3176 IRQF_ONESHOT, CODA_NAME, dev) < 0) {
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3177 dev_err(&pdev->dev, "failed to request irq\n");
3178 return -ENOENT;
3179 }
3180
Philipp Zabel657eee72013-04-29 16:17:14 -0700[diff] [blame]3181 /* Get IRAM pool from device tree or platform data */
3182 pool = of_get_named_gen_pool(np, "iram", 0);
3183 if (!pool && pdata)
3184 pool = dev_get_gen_pool(pdata->iram_dev);
3185 if (!pool) {
3186 dev_err(&pdev->dev, "iram pool not available\n");
3187 return -ENOMEM;
3188 }
3189 dev->iram_pool = pool;
3190
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3191 ret = v4l2_device_register(&pdev->dev, &dev->v4l2_dev);
3192 if (ret)
3193 return ret;
3194
3195 mutex_init(&dev->dev_mutex);
Philipp Zabelfcb62822013-05-23 10:43:00 -0300[diff] [blame]3196 mutex_init(&dev->coda_mutex);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3197
3198 pdev_id = of_id ? of_id->data : platform_get_device_id(pdev);
3199
3200 if (of_id) {
3201 dev->devtype = of_id->data;
3202 } else if (pdev_id) {
3203 dev->devtype = &coda_devdata[pdev_id->driver_data];
3204 } else {
3205 v4l2_device_unregister(&dev->v4l2_dev);
3206 return -EINVAL;
3207 }
3208
3209 /* allocate auxiliary per-device buffers for the BIT processor */
3210 switch (dev->devtype->product) {
3211 case CODA_DX6:
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]3212 ret = coda_alloc_aux_buf(dev, &dev->workbuf,
3213 CODADX6_WORK_BUF_SIZE);
3214 if (ret < 0) {
3215 dev_err(&pdev->dev, "failed to allocate work buffer\n");
3216 v4l2_device_unregister(&dev->v4l2_dev);
3217 return ret;
3218 }
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3219 break;
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]3220 case CODA_7541:
3221 dev->tempbuf.size = CODA7_TEMP_BUF_SIZE;
3222 break;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3223 }
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]3224 if (dev->tempbuf.size) {
3225 ret = coda_alloc_aux_buf(dev, &dev->tempbuf,
3226 dev->tempbuf.size);
3227 if (ret < 0) {
3228 dev_err(&pdev->dev, "failed to allocate temp buffer\n");
3229 v4l2_device_unregister(&dev->v4l2_dev);
3230 return ret;
3231 }
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3232 }
3233
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]3234 switch (dev->devtype->product) {
3235 case CODA_DX6:
Philipp Zabel657eee72013-04-29 16:17:14 -0700[diff] [blame]3236 dev->iram_size = CODADX6_IRAM_SIZE;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]3237 break;
3238 case CODA_7541:
Philipp Zabel657eee72013-04-29 16:17:14 -0700[diff] [blame]3239 dev->iram_size = CODA7_IRAM_SIZE;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]3240 break;
3241 }
Philipp Zabel657eee72013-04-29 16:17:14 -0700[diff] [blame]3242 dev->iram_vaddr = gen_pool_alloc(dev->iram_pool, dev->iram_size);
3243 if (!dev->iram_vaddr) {
3244 dev_err(&pdev->dev, "unable to alloc iram\n");
3245 return -ENOMEM;
Philipp Zabel10436672012-07-02 09:03:55 -0300[diff] [blame]3246 }
Philipp Zabel657eee72013-04-29 16:17:14 -0700[diff] [blame]3247 dev->iram_paddr = gen_pool_virt_to_phys(dev->iram_pool,
3248 dev->iram_vaddr);
Philipp Zabel10436672012-07-02 09:03:55 -0300[diff] [blame]3249
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3250 platform_set_drvdata(pdev, dev);
3251
3252 return coda_firmware_request(dev);
3253}
3254
3255static int coda_remove(struct platform_device *pdev)
3256{
3257 struct coda_dev *dev = platform_get_drvdata(pdev);
3258
3259 video_unregister_device(&dev->vfd);
3260 if (dev->m2m_dev)
3261 v4l2_m2m_release(dev->m2m_dev);
3262 if (dev->alloc_ctx)
3263 vb2_dma_contig_cleanup_ctx(dev->alloc_ctx);
3264 v4l2_device_unregister(&dev->v4l2_dev);
Philipp Zabel657eee72013-04-29 16:17:14 -0700[diff] [blame]3265 if (dev->iram_vaddr)
3266 gen_pool_free(dev->iram_pool, dev->iram_vaddr, dev->iram_size);
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]3267 coda_free_aux_buf(dev, &dev->codebuf);
3268 coda_free_aux_buf(dev, &dev->tempbuf);
3269 coda_free_aux_buf(dev, &dev->workbuf);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3270 return 0;
3271}
3272
3273static struct platform_driver coda_driver = {
3274 .probe = coda_probe,
Greg Kroah-Hartman4c62e972012-12-21 13:17:53 -0800[diff] [blame]3275 .remove = coda_remove,
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3276 .driver = {
3277 .name = CODA_NAME,
3278 .owner = THIS_MODULE,
3279 .of_match_table = of_match_ptr(coda_dt_ids),
3280 },
3281 .id_table = coda_platform_ids,
3282};
3283
3284module_platform_driver(coda_driver);
3285
3286MODULE_LICENSE("GPL");
3287MODULE_AUTHOR("Javier Martin <javier.martin@vista-silicon.com>");
3288MODULE_DESCRIPTION("Coda multi-standard codec V4L2 driver");