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review.shift-gmbh.com / SHIFTPHONES / kernel / common / 64ba40accce3e6bb916a36390d3e202085804da8 / . / drivers / media / platform / coda.c
blob: b541c069ffe9be40b6ab1b85f2e237a2719ef8d2 [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 CODA_MAX_FRAME_SIZE 0x100000
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]58#define FMO_SLICE_SAVE_BUF_SIZE (32)
59#define CODA_DEFAULT_GAMMA 4096
60
61#define MIN_W 176
62#define MIN_H 144
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]63
64#define S_ALIGN 1 /* multiple of 2 */
65#define W_ALIGN 1 /* multiple of 2 */
66#define H_ALIGN 1 /* multiple of 2 */
67
68#define fh_to_ctx(__fh) container_of(__fh, struct coda_ctx, fh)
69
70static int coda_debug;
Philipp Zabelc4eb1bfc2013-05-21 04:24:16 -0300[diff] [blame]71module_param(coda_debug, int, 0644);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]72MODULE_PARM_DESC(coda_debug, "Debug level (0-1)");
73
74enum {
75 V4L2_M2M_SRC = 0,
76 V4L2_M2M_DST = 1,
77};
78
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]79enum coda_inst_type {
80 CODA_INST_ENCODER,
81 CODA_INST_DECODER,
82};
83
84enum coda_product {
85 CODA_DX6 = 0xf001,
Philipp Zabeldf1e74c2012-07-02 06:07:10 -0300[diff] [blame]86 CODA_7541 = 0xf012,
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]87};
88
89struct coda_fmt {
90 char *name;
91 u32 fourcc;
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]92};
93
94struct coda_codec {
95 u32 mode;
96 u32 src_fourcc;
97 u32 dst_fourcc;
98 u32 max_w;
99 u32 max_h;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]100};
101
102struct coda_devtype {
103 char *firmware;
104 enum coda_product product;
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]105 struct coda_codec *codecs;
106 unsigned int num_codecs;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]107 size_t workbuf_size;
108};
109
110/* Per-queue, driver-specific private data */
111struct coda_q_data {
112 unsigned int width;
113 unsigned int height;
114 unsigned int sizeimage;
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]115 unsigned int fourcc;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]116};
117
118struct coda_aux_buf {
119 void *vaddr;
120 dma_addr_t paddr;
121 u32 size;
122};
123
124struct coda_dev {
125 struct v4l2_device v4l2_dev;
126 struct video_device vfd;
127 struct platform_device *plat_dev;
Emil Goodec06d8752012-08-14 17:44:42 -0300[diff] [blame]128 const struct coda_devtype *devtype;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]129
130 void __iomem *regs_base;
131 struct clk *clk_per;
132 struct clk *clk_ahb;
133
134 struct coda_aux_buf codebuf;
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]135 struct coda_aux_buf tempbuf;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]136 struct coda_aux_buf workbuf;
Philipp Zabel657eee72013-04-29 16:17:14 -0700[diff] [blame]137 struct gen_pool *iram_pool;
138 long unsigned int iram_vaddr;
Philipp Zabel10436672012-07-02 09:03:55 -0300[diff] [blame]139 long unsigned int iram_paddr;
Philipp Zabel657eee72013-04-29 16:17:14 -0700[diff] [blame]140 unsigned long iram_size;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]141
142 spinlock_t irqlock;
143 struct mutex dev_mutex;
Philipp Zabelfcb62822013-05-23 10:43:00 -0300[diff] [blame]144 struct mutex coda_mutex;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]145 struct v4l2_m2m_dev *m2m_dev;
146 struct vb2_alloc_ctx *alloc_ctx;
Philipp Zabele11f3e62012-07-25 09:16:58 -0300[diff] [blame]147 struct list_head instances;
148 unsigned long instance_mask;
Philipp Zabel2fb57f02012-07-25 09:22:07 -0300[diff] [blame]149 struct delayed_work timeout;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]150};
151
152struct coda_params {
Philipp Zabel8f35c7b2012-07-09 04:25:52 -0300[diff] [blame]153 u8 rot_mode;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]154 u8 h264_intra_qp;
155 u8 h264_inter_qp;
156 u8 mpeg4_intra_qp;
157 u8 mpeg4_inter_qp;
158 u8 gop_size;
159 int codec_mode;
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]160 int codec_mode_aux;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]161 enum v4l2_mpeg_video_multi_slice_mode slice_mode;
162 u32 framerate;
163 u16 bitrate;
Philipp Zabelc566c782012-08-08 11:59:38 -0300[diff] [blame]164 u32 slice_max_bits;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]165 u32 slice_max_mb;
166};
167
Philipp Zabelc2d22512013-06-21 03:55:28 -0300[diff] [blame]168struct coda_iram_info {
169 u32 axi_sram_use;
170 phys_addr_t buf_bit_use;
171 phys_addr_t buf_ip_ac_dc_use;
172 phys_addr_t buf_dbk_y_use;
173 phys_addr_t buf_dbk_c_use;
174 phys_addr_t buf_ovl_use;
175 phys_addr_t buf_btp_use;
176 phys_addr_t search_ram_paddr;
177 int search_ram_size;
178};
179
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]180struct coda_ctx {
181 struct coda_dev *dev;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]182 struct mutex buffer_mutex;
Philipp Zabele11f3e62012-07-25 09:16:58 -0300[diff] [blame]183 struct list_head list;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]184 struct work_struct skip_run;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]185 int aborting;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]186 int initialized;
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]187 int streamon_out;
188 int streamon_cap;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]189 u32 isequence;
Philipp Zabel9082a7c2013-06-21 03:55:31 -0300[diff] [blame]190 u32 qsequence;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]191 u32 osequence;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]192 struct coda_q_data q_data[2];
193 enum coda_inst_type inst_type;
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]194 struct coda_codec *codec;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]195 enum v4l2_colorspace colorspace;
196 struct coda_params params;
197 struct v4l2_m2m_ctx *m2m_ctx;
198 struct v4l2_ctrl_handler ctrls;
199 struct v4l2_fh fh;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]200 int gopcounter;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]201 int runcounter;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]202 char vpu_header[3][64];
203 int vpu_header_size[3];
Philipp Zabel9082a7c2013-06-21 03:55:31 -0300[diff] [blame]204 struct kfifo bitstream_fifo;
205 struct mutex bitstream_mutex;
206 struct coda_aux_buf bitstream;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]207 bool prescan_failed;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]208 struct coda_aux_buf parabuf;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]209 struct coda_aux_buf psbuf;
210 struct coda_aux_buf slicebuf;
Philipp Zabelec25f682012-07-20 08:54:29 -0300[diff] [blame]211 struct coda_aux_buf internal_frames[CODA_MAX_FRAMEBUFFERS];
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]212 struct coda_aux_buf workbuf;
Philipp Zabelec25f682012-07-20 08:54:29 -0300[diff] [blame]213 int num_internal_frames;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]214 int idx;
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]215 int reg_idx;
Philipp Zabelc2d22512013-06-21 03:55:28 -0300[diff] [blame]216 struct coda_iram_info iram_info;
Philipp Zabel9082a7c2013-06-21 03:55:31 -0300[diff] [blame]217 u32 bit_stream_param;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]218 u32 frm_dis_flg;
219 int display_idx;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]220};
221
Javier Martin832fbb52012-10-29 08:34:59 -0300[diff] [blame]222static const u8 coda_filler_nal[14] = { 0x00, 0x00, 0x00, 0x01, 0x0c, 0xff,
223 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x80 };
224static const u8 coda_filler_size[8] = { 0, 7, 14, 13, 12, 11, 10, 9 };
Javier Martin3f3f5c72012-10-29 05:20:29 -0300[diff] [blame]225
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]226static inline void coda_write(struct coda_dev *dev, u32 data, u32 reg)
227{
228 v4l2_dbg(1, coda_debug, &dev->v4l2_dev,
229 "%s: data=0x%x, reg=0x%x\n", __func__, data, reg);
230 writel(data, dev->regs_base + reg);
231}
232
233static inline unsigned int coda_read(struct coda_dev *dev, u32 reg)
234{
235 u32 data;
236 data = readl(dev->regs_base + reg);
237 v4l2_dbg(1, coda_debug, &dev->v4l2_dev,
238 "%s: data=0x%x, reg=0x%x\n", __func__, data, reg);
239 return data;
240}
241
242static inline unsigned long coda_isbusy(struct coda_dev *dev)
243{
244 return coda_read(dev, CODA_REG_BIT_BUSY);
245}
246
247static inline int coda_is_initialized(struct coda_dev *dev)
248{
249 return (coda_read(dev, CODA_REG_BIT_CUR_PC) != 0);
250}
251
252static int coda_wait_timeout(struct coda_dev *dev)
253{
254 unsigned long timeout = jiffies + msecs_to_jiffies(1000);
255
256 while (coda_isbusy(dev)) {
257 if (time_after(jiffies, timeout))
258 return -ETIMEDOUT;
259 }
260 return 0;
261}
262
263static void coda_command_async(struct coda_ctx *ctx, int cmd)
264{
265 struct coda_dev *dev = ctx->dev;
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]266
267 if (dev->devtype->product == CODA_7541) {
268 /* Restore context related registers to CODA */
Philipp Zabel9082a7c2013-06-21 03:55:31 -0300[diff] [blame]269 coda_write(dev, ctx->bit_stream_param,
270 CODA_REG_BIT_BIT_STREAM_PARAM);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]271 coda_write(dev, ctx->frm_dis_flg,
272 CODA_REG_BIT_FRM_DIS_FLG(ctx->reg_idx));
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]273 coda_write(dev, ctx->workbuf.paddr, CODA_REG_BIT_WORK_BUF_ADDR);
274 }
275
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]276 coda_write(dev, CODA_REG_BIT_BUSY_FLAG, CODA_REG_BIT_BUSY);
277
278 coda_write(dev, ctx->idx, CODA_REG_BIT_RUN_INDEX);
279 coda_write(dev, ctx->params.codec_mode, CODA_REG_BIT_RUN_COD_STD);
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]280 coda_write(dev, ctx->params.codec_mode_aux, CODA7_REG_BIT_RUN_AUX_STD);
281
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]282 coda_write(dev, cmd, CODA_REG_BIT_RUN_COMMAND);
283}
284
285static int coda_command_sync(struct coda_ctx *ctx, int cmd)
286{
287 struct coda_dev *dev = ctx->dev;
288
289 coda_command_async(ctx, cmd);
290 return coda_wait_timeout(dev);
291}
292
293static struct coda_q_data *get_q_data(struct coda_ctx *ctx,
294 enum v4l2_buf_type type)
295{
296 switch (type) {
297 case V4L2_BUF_TYPE_VIDEO_OUTPUT:
298 return &(ctx->q_data[V4L2_M2M_SRC]);
299 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
300 return &(ctx->q_data[V4L2_M2M_DST]);
301 default:
302 BUG();
303 }
304 return NULL;
305}
306
307/*
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]308 * Array of all formats supported by any version of Coda:
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]309 */
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]310static struct coda_fmt coda_formats[] = {
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]311 {
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]312 .name = "YUV 4:2:0 Planar, YCbCr",
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]313 .fourcc = V4L2_PIX_FMT_YUV420,
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]314 },
315 {
316 .name = "YUV 4:2:0 Planar, YCrCb",
317 .fourcc = V4L2_PIX_FMT_YVU420,
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]318 },
319 {
320 .name = "H264 Encoded Stream",
321 .fourcc = V4L2_PIX_FMT_H264,
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]322 },
323 {
324 .name = "MPEG4 Encoded Stream",
325 .fourcc = V4L2_PIX_FMT_MPEG4,
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]326 },
327};
328
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]329#define CODA_CODEC(mode, src_fourcc, dst_fourcc, max_w, max_h) \
330 { mode, src_fourcc, dst_fourcc, max_w, max_h }
331
332/*
333 * Arrays of codecs supported by each given version of Coda:
334 * i.MX27 -> codadx6
335 * i.MX5x -> coda7
336 * i.MX6 -> coda960
337 * Use V4L2_PIX_FMT_YUV420 as placeholder for all supported YUV 4:2:0 variants
338 */
339static struct coda_codec codadx6_codecs[] = {
340 CODA_CODEC(CODADX6_MODE_ENCODE_H264, V4L2_PIX_FMT_YUV420, V4L2_PIX_FMT_H264, 720, 576),
341 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]342};
343
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]344static struct coda_codec coda7_codecs[] = {
345 CODA_CODEC(CODA7_MODE_ENCODE_H264, V4L2_PIX_FMT_YUV420, V4L2_PIX_FMT_H264, 1280, 720),
346 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]347 CODA_CODEC(CODA7_MODE_DECODE_H264, V4L2_PIX_FMT_H264, V4L2_PIX_FMT_YUV420, 1920, 1080),
348 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]349};
350
351static bool coda_format_is_yuv(u32 fourcc)
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]352{
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]353 switch (fourcc) {
354 case V4L2_PIX_FMT_YUV420:
355 case V4L2_PIX_FMT_YVU420:
356 return true;
357 default:
358 return false;
359 }
360}
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]361
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]362/*
363 * Normalize all supported YUV 4:2:0 formats to the value used in the codec
364 * tables.
365 */
366static u32 coda_format_normalize_yuv(u32 fourcc)
367{
368 return coda_format_is_yuv(fourcc) ? V4L2_PIX_FMT_YUV420 : fourcc;
369}
370
371static struct coda_codec *coda_find_codec(struct coda_dev *dev, int src_fourcc,
372 int dst_fourcc)
373{
374 struct coda_codec *codecs = dev->devtype->codecs;
375 int num_codecs = dev->devtype->num_codecs;
376 int k;
377
378 src_fourcc = coda_format_normalize_yuv(src_fourcc);
379 dst_fourcc = coda_format_normalize_yuv(dst_fourcc);
380 if (src_fourcc == dst_fourcc)
381 return NULL;
382
383 for (k = 0; k < num_codecs; k++) {
384 if (codecs[k].src_fourcc == src_fourcc &&
385 codecs[k].dst_fourcc == dst_fourcc)
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]386 break;
387 }
388
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]389 if (k == num_codecs)
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]390 return NULL;
391
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]392 return &codecs[k];
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]393}
394
Philipp Zabel57625592013-09-30 10:34:51 -0300[diff] [blame]395static void coda_get_max_dimensions(struct coda_dev *dev,
396 struct coda_codec *codec,
397 int *max_w, int *max_h)
398{
399 struct coda_codec *codecs = dev->devtype->codecs;
400 int num_codecs = dev->devtype->num_codecs;
401 unsigned int w, h;
402 int k;
403
404 if (codec) {
405 w = codec->max_w;
406 h = codec->max_h;
407 } else {
408 for (k = 0, w = 0, h = 0; k < num_codecs; k++) {
409 w = max(w, codecs[k].max_w);
410 h = max(h, codecs[k].max_h);
411 }
412 }
413
414 if (max_w)
415 *max_w = w;
416 if (max_h)
417 *max_h = h;
418}
419
Philipp Zabel927933f2013-09-30 10:34:48 -0300[diff] [blame]420static char *coda_product_name(int product)
421{
422 static char buf[9];
423
424 switch (product) {
425 case CODA_DX6:
426 return "CodaDx6";
427 case CODA_7541:
428 return "CODA7541";
429 default:
430 snprintf(buf, sizeof(buf), "(0x%04x)", product);
431 return buf;
432 }
433}
434
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]435/*
436 * V4L2 ioctl() operations.
437 */
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300[diff] [blame]438static int coda_querycap(struct file *file, void *priv,
439 struct v4l2_capability *cap)
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]440{
Philipp Zabel927933f2013-09-30 10:34:48 -0300[diff] [blame]441 struct coda_ctx *ctx = fh_to_ctx(priv);
442
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]443 strlcpy(cap->driver, CODA_NAME, sizeof(cap->driver));
Philipp Zabel927933f2013-09-30 10:34:48 -0300[diff] [blame]444 strlcpy(cap->card, coda_product_name(ctx->dev->devtype->product),
445 sizeof(cap->card));
Philipp Zabeldad0e1c2013-05-21 04:18:22 -0300[diff] [blame]446 strlcpy(cap->bus_info, "platform:" CODA_NAME, sizeof(cap->bus_info));
Sylwester Nawrockic3aac8b2012-08-22 18:00:19 -0300[diff] [blame]447 /*
448 * This is only a mem-to-mem video device. The capture and output
449 * device capability flags are left only for backward compatibility
450 * and are scheduled for removal.
451 */
452 cap->device_caps = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_VIDEO_OUTPUT |
453 V4L2_CAP_VIDEO_M2M | V4L2_CAP_STREAMING;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]454 cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS;
455
456 return 0;
457}
458
459static int enum_fmt(void *priv, struct v4l2_fmtdesc *f,
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]460 enum v4l2_buf_type type, int src_fourcc)
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]461{
462 struct coda_ctx *ctx = fh_to_ctx(priv);
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]463 struct coda_codec *codecs = ctx->dev->devtype->codecs;
464 struct coda_fmt *formats = coda_formats;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]465 struct coda_fmt *fmt;
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]466 int num_codecs = ctx->dev->devtype->num_codecs;
467 int num_formats = ARRAY_SIZE(coda_formats);
468 int i, k, num = 0;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]469
470 for (i = 0; i < num_formats; i++) {
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]471 /* Both uncompressed formats are always supported */
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]472 if (coda_format_is_yuv(formats[i].fourcc) &&
473 !coda_format_is_yuv(src_fourcc)) {
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]474 if (num == f->index)
475 break;
476 ++num;
477 continue;
478 }
479 /* Compressed formats may be supported, check the codec list */
480 for (k = 0; k < num_codecs; k++) {
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]481 /* if src_fourcc is set, only consider matching codecs */
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]482 if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE &&
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]483 formats[i].fourcc == codecs[k].dst_fourcc &&
484 (!src_fourcc || src_fourcc == codecs[k].src_fourcc))
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]485 break;
486 if (type == V4L2_BUF_TYPE_VIDEO_OUTPUT &&
487 formats[i].fourcc == codecs[k].src_fourcc)
488 break;
489 }
490 if (k < num_codecs) {
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]491 if (num == f->index)
492 break;
493 ++num;
494 }
495 }
496
497 if (i < num_formats) {
498 fmt = &formats[i];
499 strlcpy(f->description, fmt->name, sizeof(f->description));
500 f->pixelformat = fmt->fourcc;
Philipp Zabelbaf70212013-09-30 10:34:46 -0300[diff] [blame]501 if (!coda_format_is_yuv(fmt->fourcc))
502 f->flags |= V4L2_FMT_FLAG_COMPRESSED;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]503 return 0;
504 }
505
506 /* Format not found */
507 return -EINVAL;
508}
509
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300[diff] [blame]510static int coda_enum_fmt_vid_cap(struct file *file, void *priv,
511 struct v4l2_fmtdesc *f)
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]512{
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]513 struct coda_ctx *ctx = fh_to_ctx(priv);
514 struct vb2_queue *src_vq;
515 struct coda_q_data *q_data_src;
516
517 /* If the source format is already fixed, only list matching formats */
518 src_vq = v4l2_m2m_get_vq(ctx->m2m_ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
519 if (vb2_is_streaming(src_vq)) {
520 q_data_src = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
521
522 return enum_fmt(priv, f, V4L2_BUF_TYPE_VIDEO_CAPTURE,
523 q_data_src->fourcc);
524 }
525
526 return enum_fmt(priv, f, V4L2_BUF_TYPE_VIDEO_CAPTURE, 0);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]527}
528
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300[diff] [blame]529static int coda_enum_fmt_vid_out(struct file *file, void *priv,
530 struct v4l2_fmtdesc *f)
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]531{
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]532 return enum_fmt(priv, f, V4L2_BUF_TYPE_VIDEO_OUTPUT, 0);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]533}
534
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300[diff] [blame]535static int coda_g_fmt(struct file *file, void *priv,
536 struct v4l2_format *f)
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]537{
538 struct vb2_queue *vq;
539 struct coda_q_data *q_data;
540 struct coda_ctx *ctx = fh_to_ctx(priv);
541
542 vq = v4l2_m2m_get_vq(ctx->m2m_ctx, f->type);
543 if (!vq)
544 return -EINVAL;
545
546 q_data = get_q_data(ctx, f->type);
547
548 f->fmt.pix.field = V4L2_FIELD_NONE;
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]549 f->fmt.pix.pixelformat = q_data->fourcc;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]550 f->fmt.pix.width = q_data->width;
551 f->fmt.pix.height = q_data->height;
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]552 if (coda_format_is_yuv(f->fmt.pix.pixelformat))
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]553 f->fmt.pix.bytesperline = round_up(f->fmt.pix.width, 2);
554 else /* encoded formats h.264/mpeg4 */
555 f->fmt.pix.bytesperline = 0;
556
557 f->fmt.pix.sizeimage = q_data->sizeimage;
558 f->fmt.pix.colorspace = ctx->colorspace;
559
560 return 0;
561}
562
Philipp Zabel57625592013-09-30 10:34:51 -0300[diff] [blame]563static int coda_try_fmt(struct coda_ctx *ctx, struct coda_codec *codec,
564 struct v4l2_format *f)
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]565{
Philipp Zabel57625592013-09-30 10:34:51 -0300[diff] [blame]566 struct coda_dev *dev = ctx->dev;
567 struct coda_q_data *q_data;
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]568 unsigned int max_w, max_h;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]569 enum v4l2_field field;
570
571 field = f->fmt.pix.field;
572 if (field == V4L2_FIELD_ANY)
573 field = V4L2_FIELD_NONE;
574 else if (V4L2_FIELD_NONE != field)
575 return -EINVAL;
576
577 /* V4L2 specification suggests the driver corrects the format struct
578 * if any of the dimensions is unsupported */
579 f->fmt.pix.field = field;
580
Philipp Zabel57625592013-09-30 10:34:51 -0300[diff] [blame]581 coda_get_max_dimensions(dev, codec, &max_w, &max_h);
582 v4l_bound_align_image(&f->fmt.pix.width, MIN_W, max_w, W_ALIGN,
583 &f->fmt.pix.height, MIN_H, max_h, H_ALIGN,
584 S_ALIGN);
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]585
Philipp Zabel57625592013-09-30 10:34:51 -0300[diff] [blame]586 switch (f->fmt.pix.pixelformat) {
587 case V4L2_PIX_FMT_YUV420:
588 case V4L2_PIX_FMT_YVU420:
589 case V4L2_PIX_FMT_H264:
590 case V4L2_PIX_FMT_MPEG4:
591 case V4L2_PIX_FMT_JPEG:
592 break;
593 default:
594 q_data = get_q_data(ctx, f->type);
595 f->fmt.pix.pixelformat = q_data->fourcc;
596 }
597
598 switch (f->fmt.pix.pixelformat) {
599 case V4L2_PIX_FMT_YUV420:
600 case V4L2_PIX_FMT_YVU420:
Philipp Zabel47cf0c62013-05-23 10:42:54 -0300[diff] [blame]601 /* Frame stride must be multiple of 8 */
602 f->fmt.pix.bytesperline = round_up(f->fmt.pix.width, 8);
603 f->fmt.pix.sizeimage = f->fmt.pix.bytesperline *
Philipp Zabel451d43a2012-07-26 09:18:27 -0300[diff] [blame]604 f->fmt.pix.height * 3 / 2;
Philipp Zabel57625592013-09-30 10:34:51 -0300[diff] [blame]605 break;
606 case V4L2_PIX_FMT_H264:
607 case V4L2_PIX_FMT_MPEG4:
608 case V4L2_PIX_FMT_JPEG:
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]609 f->fmt.pix.bytesperline = 0;
610 f->fmt.pix.sizeimage = CODA_MAX_FRAME_SIZE;
Philipp Zabel57625592013-09-30 10:34:51 -0300[diff] [blame]611 break;
612 default:
613 BUG();
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]614 }
615
616 return 0;
617}
618
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300[diff] [blame]619static int coda_try_fmt_vid_cap(struct file *file, void *priv,
620 struct v4l2_format *f)
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]621{
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]622 struct coda_ctx *ctx = fh_to_ctx(priv);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]623 struct coda_codec *codec;
624 struct vb2_queue *src_vq;
625 int ret;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]626
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]627 /*
628 * If the source format is already fixed, try to find a codec that
629 * converts to the given destination format
630 */
631 src_vq = v4l2_m2m_get_vq(ctx->m2m_ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
632 if (vb2_is_streaming(src_vq)) {
633 struct coda_q_data *q_data_src;
634
635 q_data_src = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
636 codec = coda_find_codec(ctx->dev, q_data_src->fourcc,
637 f->fmt.pix.pixelformat);
638 if (!codec)
639 return -EINVAL;
640 } else {
641 /* Otherwise determine codec by encoded format, if possible */
642 codec = coda_find_codec(ctx->dev, V4L2_PIX_FMT_YUV420,
643 f->fmt.pix.pixelformat);
644 }
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]645
646 f->fmt.pix.colorspace = ctx->colorspace;
647
Philipp Zabel57625592013-09-30 10:34:51 -0300[diff] [blame]648 ret = coda_try_fmt(ctx, codec, f);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]649 if (ret < 0)
650 return ret;
651
652 /* The h.264 decoder only returns complete 16x16 macroblocks */
653 if (codec && codec->src_fourcc == V4L2_PIX_FMT_H264) {
654 f->fmt.pix.width = round_up(f->fmt.pix.width, 16);
655 f->fmt.pix.height = round_up(f->fmt.pix.height, 16);
656 f->fmt.pix.bytesperline = f->fmt.pix.width;
657 f->fmt.pix.sizeimage = f->fmt.pix.bytesperline *
658 f->fmt.pix.height * 3 / 2;
659 }
660
661 return 0;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]662}
663
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300[diff] [blame]664static int coda_try_fmt_vid_out(struct file *file, void *priv,
665 struct v4l2_format *f)
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]666{
667 struct coda_ctx *ctx = fh_to_ctx(priv);
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]668 struct coda_codec *codec;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]669
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]670 /* Determine codec by encoded format, returns NULL if raw or invalid */
671 codec = coda_find_codec(ctx->dev, f->fmt.pix.pixelformat,
672 V4L2_PIX_FMT_YUV420);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]673
674 if (!f->fmt.pix.colorspace)
675 f->fmt.pix.colorspace = V4L2_COLORSPACE_REC709;
676
Philipp Zabel57625592013-09-30 10:34:51 -0300[diff] [blame]677 return coda_try_fmt(ctx, codec, f);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]678}
679
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300[diff] [blame]680static int coda_s_fmt(struct coda_ctx *ctx, struct v4l2_format *f)
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]681{
682 struct coda_q_data *q_data;
683 struct vb2_queue *vq;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]684
685 vq = v4l2_m2m_get_vq(ctx->m2m_ctx, f->type);
686 if (!vq)
687 return -EINVAL;
688
689 q_data = get_q_data(ctx, f->type);
690 if (!q_data)
691 return -EINVAL;
692
693 if (vb2_is_busy(vq)) {
694 v4l2_err(&ctx->dev->v4l2_dev, "%s queue busy\n", __func__);
695 return -EBUSY;
696 }
697
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]698 q_data->fourcc = f->fmt.pix.pixelformat;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]699 q_data->width = f->fmt.pix.width;
700 q_data->height = f->fmt.pix.height;
Philipp Zabel451d43a2012-07-26 09:18:27 -0300[diff] [blame]701 q_data->sizeimage = f->fmt.pix.sizeimage;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]702
703 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
704 "Setting format for type %d, wxh: %dx%d, fmt: %d\n",
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]705 f->type, q_data->width, q_data->height, q_data->fourcc);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]706
707 return 0;
708}
709
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300[diff] [blame]710static int coda_s_fmt_vid_cap(struct file *file, void *priv,
711 struct v4l2_format *f)
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]712{
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]713 struct coda_ctx *ctx = fh_to_ctx(priv);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]714 int ret;
715
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300[diff] [blame]716 ret = coda_try_fmt_vid_cap(file, priv, f);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]717 if (ret)
718 return ret;
719
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300[diff] [blame]720 return coda_s_fmt(ctx, f);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]721}
722
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300[diff] [blame]723static int coda_s_fmt_vid_out(struct file *file, void *priv,
724 struct v4l2_format *f)
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]725{
726 struct coda_ctx *ctx = fh_to_ctx(priv);
727 int ret;
728
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300[diff] [blame]729 ret = coda_try_fmt_vid_out(file, priv, f);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]730 if (ret)
731 return ret;
732
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300[diff] [blame]733 ret = coda_s_fmt(ctx, f);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]734 if (ret)
735 ctx->colorspace = f->fmt.pix.colorspace;
736
737 return ret;
738}
739
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300[diff] [blame]740static int coda_reqbufs(struct file *file, void *priv,
741 struct v4l2_requestbuffers *reqbufs)
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]742{
743 struct coda_ctx *ctx = fh_to_ctx(priv);
744
745 return v4l2_m2m_reqbufs(file, ctx->m2m_ctx, reqbufs);
746}
747
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300[diff] [blame]748static int coda_querybuf(struct file *file, void *priv,
749 struct v4l2_buffer *buf)
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]750{
751 struct coda_ctx *ctx = fh_to_ctx(priv);
752
753 return v4l2_m2m_querybuf(file, ctx->m2m_ctx, buf);
754}
755
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300[diff] [blame]756static int coda_qbuf(struct file *file, void *priv,
757 struct v4l2_buffer *buf)
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]758{
759 struct coda_ctx *ctx = fh_to_ctx(priv);
760
761 return v4l2_m2m_qbuf(file, ctx->m2m_ctx, buf);
762}
763
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300[diff] [blame]764static int coda_expbuf(struct file *file, void *priv,
765 struct v4l2_exportbuffer *eb)
Philipp Zabel419869c2013-05-23 07:06:30 -0300[diff] [blame]766{
767 struct coda_ctx *ctx = fh_to_ctx(priv);
768
769 return v4l2_m2m_expbuf(file, ctx->m2m_ctx, eb);
770}
771
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]772static bool coda_buf_is_end_of_stream(struct coda_ctx *ctx,
773 struct v4l2_buffer *buf)
774{
775 struct vb2_queue *src_vq;
776
777 src_vq = v4l2_m2m_get_vq(ctx->m2m_ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
778
779 return ((ctx->bit_stream_param & CODA_BIT_STREAM_END_FLAG) &&
780 (buf->sequence == (ctx->qsequence - 1)));
781}
782
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300[diff] [blame]783static int coda_dqbuf(struct file *file, void *priv,
784 struct v4l2_buffer *buf)
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]785{
786 struct coda_ctx *ctx = fh_to_ctx(priv);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]787 int ret;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]788
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]789 ret = v4l2_m2m_dqbuf(file, ctx->m2m_ctx, buf);
790
791 /* If this is the last capture buffer, emit an end-of-stream event */
792 if (buf->type == V4L2_BUF_TYPE_VIDEO_CAPTURE &&
793 coda_buf_is_end_of_stream(ctx, buf)) {
794 const struct v4l2_event eos_event = {
795 .type = V4L2_EVENT_EOS
796 };
797
798 v4l2_event_queue_fh(&ctx->fh, &eos_event);
799 }
800
801 return ret;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]802}
803
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300[diff] [blame]804static int coda_create_bufs(struct file *file, void *priv,
805 struct v4l2_create_buffers *create)
Philipp Zabel8fdf94a2013-05-21 04:16:29 -0300[diff] [blame]806{
807 struct coda_ctx *ctx = fh_to_ctx(priv);
808
809 return v4l2_m2m_create_bufs(file, ctx->m2m_ctx, create);
810}
811
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300[diff] [blame]812static int coda_streamon(struct file *file, void *priv,
813 enum v4l2_buf_type type)
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]814{
815 struct coda_ctx *ctx = fh_to_ctx(priv);
816
817 return v4l2_m2m_streamon(file, ctx->m2m_ctx, type);
818}
819
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300[diff] [blame]820static int coda_streamoff(struct file *file, void *priv,
821 enum v4l2_buf_type type)
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]822{
823 struct coda_ctx *ctx = fh_to_ctx(priv);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]824 int ret;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]825
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]826 /*
827 * This indirectly calls __vb2_queue_cancel, which dequeues all buffers.
828 * We therefore have to lock it against running hardware in this context,
829 * which still needs the buffers.
830 */
831 mutex_lock(&ctx->buffer_mutex);
832 ret = v4l2_m2m_streamoff(file, ctx->m2m_ctx, type);
833 mutex_unlock(&ctx->buffer_mutex);
834
835 return ret;
836}
837
Philipp Zabel64ba40a2013-09-30 10:34:52 -0300[diff] [blame^]838static int coda_try_decoder_cmd(struct file *file, void *fh,
839 struct v4l2_decoder_cmd *dc)
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]840{
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]841 if (dc->cmd != V4L2_DEC_CMD_STOP)
842 return -EINVAL;
843
Philipp Zabel64ba40a2013-09-30 10:34:52 -0300[diff] [blame^]844 if (dc->flags & V4L2_DEC_CMD_STOP_TO_BLACK)
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]845 return -EINVAL;
846
Philipp Zabel64ba40a2013-09-30 10:34:52 -0300[diff] [blame^]847 if (!(dc->flags & V4L2_DEC_CMD_STOP_IMMEDIATELY) && (dc->stop.pts != 0))
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]848 return -EINVAL;
849
Philipp Zabel64ba40a2013-09-30 10:34:52 -0300[diff] [blame^]850 return 0;
851}
852
853static int coda_decoder_cmd(struct file *file, void *fh,
854 struct v4l2_decoder_cmd *dc)
855{
856 struct coda_ctx *ctx = fh_to_ctx(fh);
857 int ret;
858
859 ret = coda_try_decoder_cmd(file, fh, dc);
860 if (ret < 0)
861 return ret;
862
863 /* Ignore decoder stop command silently in encoder context */
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]864 if (ctx->inst_type != CODA_INST_DECODER)
Philipp Zabel64ba40a2013-09-30 10:34:52 -0300[diff] [blame^]865 return 0;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]866
867 /* Set the strem-end flag on this context */
868 ctx->bit_stream_param |= CODA_BIT_STREAM_END_FLAG;
869
870 return 0;
871}
872
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300[diff] [blame]873static int coda_subscribe_event(struct v4l2_fh *fh,
874 const struct v4l2_event_subscription *sub)
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]875{
876 switch (sub->type) {
877 case V4L2_EVENT_EOS:
878 return v4l2_event_subscribe(fh, sub, 0, NULL);
879 default:
880 return v4l2_ctrl_subscribe_event(fh, sub);
881 }
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]882}
883
884static const struct v4l2_ioctl_ops coda_ioctl_ops = {
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300[diff] [blame]885 .vidioc_querycap = coda_querycap,
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]886
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300[diff] [blame]887 .vidioc_enum_fmt_vid_cap = coda_enum_fmt_vid_cap,
888 .vidioc_g_fmt_vid_cap = coda_g_fmt,
889 .vidioc_try_fmt_vid_cap = coda_try_fmt_vid_cap,
890 .vidioc_s_fmt_vid_cap = coda_s_fmt_vid_cap,
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]891
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300[diff] [blame]892 .vidioc_enum_fmt_vid_out = coda_enum_fmt_vid_out,
893 .vidioc_g_fmt_vid_out = coda_g_fmt,
894 .vidioc_try_fmt_vid_out = coda_try_fmt_vid_out,
895 .vidioc_s_fmt_vid_out = coda_s_fmt_vid_out,
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]896
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300[diff] [blame]897 .vidioc_reqbufs = coda_reqbufs,
898 .vidioc_querybuf = coda_querybuf,
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]899
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300[diff] [blame]900 .vidioc_qbuf = coda_qbuf,
901 .vidioc_expbuf = coda_expbuf,
902 .vidioc_dqbuf = coda_dqbuf,
903 .vidioc_create_bufs = coda_create_bufs,
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]904
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300[diff] [blame]905 .vidioc_streamon = coda_streamon,
906 .vidioc_streamoff = coda_streamoff,
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]907
Philipp Zabel64ba40a2013-09-30 10:34:52 -0300[diff] [blame^]908 .vidioc_try_decoder_cmd = coda_try_decoder_cmd,
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300[diff] [blame]909 .vidioc_decoder_cmd = coda_decoder_cmd,
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]910
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300[diff] [blame]911 .vidioc_subscribe_event = coda_subscribe_event,
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]912 .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]913};
914
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]915static int coda_start_decoding(struct coda_ctx *ctx);
916
917static void coda_skip_run(struct work_struct *work)
918{
919 struct coda_ctx *ctx = container_of(work, struct coda_ctx, skip_run);
920
921 v4l2_m2m_job_finish(ctx->dev->m2m_dev, ctx->m2m_ctx);
922}
923
Philipp Zabel9082a7c2013-06-21 03:55:31 -0300[diff] [blame]924static inline int coda_get_bitstream_payload(struct coda_ctx *ctx)
925{
926 return kfifo_len(&ctx->bitstream_fifo);
927}
928
929static void coda_kfifo_sync_from_device(struct coda_ctx *ctx)
930{
931 struct __kfifo *kfifo = &ctx->bitstream_fifo.kfifo;
932 struct coda_dev *dev = ctx->dev;
933 u32 rd_ptr;
934
935 rd_ptr = coda_read(dev, CODA_REG_BIT_RD_PTR(ctx->reg_idx));
936 kfifo->out = (kfifo->in & ~kfifo->mask) |
937 (rd_ptr - ctx->bitstream.paddr);
938 if (kfifo->out > kfifo->in)
939 kfifo->out -= kfifo->mask + 1;
940}
941
942static void coda_kfifo_sync_to_device_full(struct coda_ctx *ctx)
943{
944 struct __kfifo *kfifo = &ctx->bitstream_fifo.kfifo;
945 struct coda_dev *dev = ctx->dev;
946 u32 rd_ptr, wr_ptr;
947
948 rd_ptr = ctx->bitstream.paddr + (kfifo->out & kfifo->mask);
949 coda_write(dev, rd_ptr, CODA_REG_BIT_RD_PTR(ctx->reg_idx));
950 wr_ptr = ctx->bitstream.paddr + (kfifo->in & kfifo->mask);
951 coda_write(dev, wr_ptr, CODA_REG_BIT_WR_PTR(ctx->reg_idx));
952}
953
954static void coda_kfifo_sync_to_device_write(struct coda_ctx *ctx)
955{
956 struct __kfifo *kfifo = &ctx->bitstream_fifo.kfifo;
957 struct coda_dev *dev = ctx->dev;
958 u32 wr_ptr;
959
960 wr_ptr = ctx->bitstream.paddr + (kfifo->in & kfifo->mask);
961 coda_write(dev, wr_ptr, CODA_REG_BIT_WR_PTR(ctx->reg_idx));
962}
963
964static int coda_bitstream_queue(struct coda_ctx *ctx, struct vb2_buffer *src_buf)
965{
966 u32 src_size = vb2_get_plane_payload(src_buf, 0);
967 u32 n;
968
969 n = kfifo_in(&ctx->bitstream_fifo, vb2_plane_vaddr(src_buf, 0), src_size);
970 if (n < src_size)
971 return -ENOSPC;
972
973 dma_sync_single_for_device(&ctx->dev->plat_dev->dev, ctx->bitstream.paddr,
974 ctx->bitstream.size, DMA_TO_DEVICE);
975
976 ctx->qsequence++;
977
978 return 0;
979}
980
981static bool coda_bitstream_try_queue(struct coda_ctx *ctx,
982 struct vb2_buffer *src_buf)
983{
984 int ret;
985
986 if (coda_get_bitstream_payload(ctx) +
987 vb2_get_plane_payload(src_buf, 0) + 512 >= ctx->bitstream.size)
988 return false;
989
990 if (vb2_plane_vaddr(src_buf, 0) == NULL) {
991 v4l2_err(&ctx->dev->v4l2_dev, "trying to queue empty buffer\n");
992 return true;
993 }
994
995 ret = coda_bitstream_queue(ctx, src_buf);
996 if (ret < 0) {
997 v4l2_err(&ctx->dev->v4l2_dev, "bitstream buffer overflow\n");
998 return false;
999 }
1000 /* Sync read pointer to device */
1001 if (ctx == v4l2_m2m_get_curr_priv(ctx->dev->m2m_dev))
1002 coda_kfifo_sync_to_device_write(ctx);
1003
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]1004 ctx->prescan_failed = false;
1005
Philipp Zabel9082a7c2013-06-21 03:55:31 -0300[diff] [blame]1006 return true;
1007}
1008
1009static void coda_fill_bitstream(struct coda_ctx *ctx)
1010{
1011 struct vb2_buffer *src_buf;
1012
1013 while (v4l2_m2m_num_src_bufs_ready(ctx->m2m_ctx) > 0) {
1014 src_buf = v4l2_m2m_next_src_buf(ctx->m2m_ctx);
1015
1016 if (coda_bitstream_try_queue(ctx, src_buf)) {
1017 src_buf = v4l2_m2m_src_buf_remove(ctx->m2m_ctx);
1018 v4l2_m2m_buf_done(src_buf, VB2_BUF_STATE_DONE);
1019 } else {
1020 break;
1021 }
1022 }
1023}
1024
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1025/*
1026 * Mem-to-mem operations.
1027 */
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]1028static int coda_prepare_decode(struct coda_ctx *ctx)
1029{
1030 struct vb2_buffer *dst_buf;
1031 struct coda_dev *dev = ctx->dev;
1032 struct coda_q_data *q_data_dst;
1033 u32 stridey, height;
1034 u32 picture_y, picture_cb, picture_cr;
1035
1036 dst_buf = v4l2_m2m_next_dst_buf(ctx->m2m_ctx);
1037 q_data_dst = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
1038
1039 if (ctx->params.rot_mode & CODA_ROT_90) {
1040 stridey = q_data_dst->height;
1041 height = q_data_dst->width;
1042 } else {
1043 stridey = q_data_dst->width;
1044 height = q_data_dst->height;
1045 }
1046
1047 /* Try to copy source buffer contents into the bitstream ringbuffer */
1048 mutex_lock(&ctx->bitstream_mutex);
1049 coda_fill_bitstream(ctx);
1050 mutex_unlock(&ctx->bitstream_mutex);
1051
1052 if (coda_get_bitstream_payload(ctx) < 512 &&
1053 (!(ctx->bit_stream_param & CODA_BIT_STREAM_END_FLAG))) {
1054 v4l2_dbg(1, coda_debug, &dev->v4l2_dev,
1055 "bitstream payload: %d, skipping\n",
1056 coda_get_bitstream_payload(ctx));
1057 schedule_work(&ctx->skip_run);
1058 return -EAGAIN;
1059 }
1060
1061 /* Run coda_start_decoding (again) if not yet initialized */
1062 if (!ctx->initialized) {
1063 int ret = coda_start_decoding(ctx);
1064 if (ret < 0) {
1065 v4l2_err(&dev->v4l2_dev, "failed to start decoding\n");
1066 schedule_work(&ctx->skip_run);
1067 return -EAGAIN;
1068 } else {
1069 ctx->initialized = 1;
1070 }
1071 }
1072
1073 /* Set rotator output */
1074 picture_y = vb2_dma_contig_plane_dma_addr(dst_buf, 0);
1075 if (q_data_dst->fourcc == V4L2_PIX_FMT_YVU420) {
1076 /* Switch Cr and Cb for YVU420 format */
1077 picture_cr = picture_y + stridey * height;
1078 picture_cb = picture_cr + stridey / 2 * height / 2;
1079 } else {
1080 picture_cb = picture_y + stridey * height;
1081 picture_cr = picture_cb + stridey / 2 * height / 2;
1082 }
1083 coda_write(dev, picture_y, CODA_CMD_DEC_PIC_ROT_ADDR_Y);
1084 coda_write(dev, picture_cb, CODA_CMD_DEC_PIC_ROT_ADDR_CB);
1085 coda_write(dev, picture_cr, CODA_CMD_DEC_PIC_ROT_ADDR_CR);
1086 coda_write(dev, stridey, CODA_CMD_DEC_PIC_ROT_STRIDE);
1087 coda_write(dev, CODA_ROT_MIR_ENABLE | ctx->params.rot_mode,
1088 CODA_CMD_DEC_PIC_ROT_MODE);
1089
1090 switch (dev->devtype->product) {
1091 case CODA_DX6:
1092 /* TBD */
1093 case CODA_7541:
1094 coda_write(dev, CODA_PRE_SCAN_EN, CODA_CMD_DEC_PIC_OPTION);
1095 break;
1096 }
1097
1098 coda_write(dev, 0, CODA_CMD_DEC_PIC_SKIP_NUM);
1099
1100 coda_write(dev, 0, CODA_CMD_DEC_PIC_BB_START);
1101 coda_write(dev, 0, CODA_CMD_DEC_PIC_START_BYTE);
1102
1103 return 0;
1104}
1105
Philipp Zabel477c1cf2013-06-21 03:55:33 -0300[diff] [blame]1106static void coda_prepare_encode(struct coda_ctx *ctx)
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1107{
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1108 struct coda_q_data *q_data_src, *q_data_dst;
1109 struct vb2_buffer *src_buf, *dst_buf;
1110 struct coda_dev *dev = ctx->dev;
1111 int force_ipicture;
1112 int quant_param = 0;
1113 u32 picture_y, picture_cb, picture_cr;
1114 u32 pic_stream_buffer_addr, pic_stream_buffer_size;
1115 u32 dst_fourcc;
1116
1117 src_buf = v4l2_m2m_next_src_buf(ctx->m2m_ctx);
1118 dst_buf = v4l2_m2m_next_dst_buf(ctx->m2m_ctx);
1119 q_data_src = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
1120 q_data_dst = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]1121 dst_fourcc = q_data_dst->fourcc;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1122
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]1123 src_buf->v4l2_buf.sequence = ctx->osequence;
1124 dst_buf->v4l2_buf.sequence = ctx->osequence;
1125 ctx->osequence++;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1126
1127 /*
1128 * Workaround coda firmware BUG that only marks the first
1129 * frame as IDR. This is a problem for some decoders that can't
1130 * recover when a frame is lost.
1131 */
1132 if (src_buf->v4l2_buf.sequence % ctx->params.gop_size) {
1133 src_buf->v4l2_buf.flags |= V4L2_BUF_FLAG_PFRAME;
1134 src_buf->v4l2_buf.flags &= ~V4L2_BUF_FLAG_KEYFRAME;
1135 } else {
1136 src_buf->v4l2_buf.flags |= V4L2_BUF_FLAG_KEYFRAME;
1137 src_buf->v4l2_buf.flags &= ~V4L2_BUF_FLAG_PFRAME;
1138 }
1139
1140 /*
1141 * Copy headers at the beginning of the first frame for H.264 only.
1142 * In MPEG4 they are already copied by the coda.
1143 */
1144 if (src_buf->v4l2_buf.sequence == 0) {
1145 pic_stream_buffer_addr =
1146 vb2_dma_contig_plane_dma_addr(dst_buf, 0) +
1147 ctx->vpu_header_size[0] +
1148 ctx->vpu_header_size[1] +
1149 ctx->vpu_header_size[2];
1150 pic_stream_buffer_size = CODA_MAX_FRAME_SIZE -
1151 ctx->vpu_header_size[0] -
1152 ctx->vpu_header_size[1] -
1153 ctx->vpu_header_size[2];
1154 memcpy(vb2_plane_vaddr(dst_buf, 0),
1155 &ctx->vpu_header[0][0], ctx->vpu_header_size[0]);
1156 memcpy(vb2_plane_vaddr(dst_buf, 0) + ctx->vpu_header_size[0],
1157 &ctx->vpu_header[1][0], ctx->vpu_header_size[1]);
1158 memcpy(vb2_plane_vaddr(dst_buf, 0) + ctx->vpu_header_size[0] +
1159 ctx->vpu_header_size[1], &ctx->vpu_header[2][0],
1160 ctx->vpu_header_size[2]);
1161 } else {
1162 pic_stream_buffer_addr =
1163 vb2_dma_contig_plane_dma_addr(dst_buf, 0);
1164 pic_stream_buffer_size = CODA_MAX_FRAME_SIZE;
1165 }
1166
1167 if (src_buf->v4l2_buf.flags & V4L2_BUF_FLAG_KEYFRAME) {
1168 force_ipicture = 1;
1169 switch (dst_fourcc) {
1170 case V4L2_PIX_FMT_H264:
1171 quant_param = ctx->params.h264_intra_qp;
1172 break;
1173 case V4L2_PIX_FMT_MPEG4:
1174 quant_param = ctx->params.mpeg4_intra_qp;
1175 break;
1176 default:
1177 v4l2_warn(&ctx->dev->v4l2_dev,
1178 "cannot set intra qp, fmt not supported\n");
1179 break;
1180 }
1181 } else {
1182 force_ipicture = 0;
1183 switch (dst_fourcc) {
1184 case V4L2_PIX_FMT_H264:
1185 quant_param = ctx->params.h264_inter_qp;
1186 break;
1187 case V4L2_PIX_FMT_MPEG4:
1188 quant_param = ctx->params.mpeg4_inter_qp;
1189 break;
1190 default:
1191 v4l2_warn(&ctx->dev->v4l2_dev,
1192 "cannot set inter qp, fmt not supported\n");
1193 break;
1194 }
1195 }
1196
1197 /* submit */
Philipp Zabel8f35c7b2012-07-09 04:25:52 -0300[diff] [blame]1198 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]1199 coda_write(dev, quant_param, CODA_CMD_ENC_PIC_QS);
1200
1201
1202 picture_y = vb2_dma_contig_plane_dma_addr(src_buf, 0);
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]1203 switch (q_data_src->fourcc) {
1204 case V4L2_PIX_FMT_YVU420:
1205 /* Switch Cb and Cr for YVU420 format */
1206 picture_cr = picture_y + q_data_src->width * q_data_src->height;
1207 picture_cb = picture_cr + q_data_src->width / 2 *
1208 q_data_src->height / 2;
1209 break;
1210 case V4L2_PIX_FMT_YUV420:
1211 default:
1212 picture_cb = picture_y + q_data_src->width * q_data_src->height;
1213 picture_cr = picture_cb + q_data_src->width / 2 *
1214 q_data_src->height / 2;
1215 break;
1216 }
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1217
1218 coda_write(dev, picture_y, CODA_CMD_ENC_PIC_SRC_ADDR_Y);
1219 coda_write(dev, picture_cb, CODA_CMD_ENC_PIC_SRC_ADDR_CB);
1220 coda_write(dev, picture_cr, CODA_CMD_ENC_PIC_SRC_ADDR_CR);
1221 coda_write(dev, force_ipicture << 1 & 0x2,
1222 CODA_CMD_ENC_PIC_OPTION);
1223
1224 coda_write(dev, pic_stream_buffer_addr, CODA_CMD_ENC_PIC_BB_START);
1225 coda_write(dev, pic_stream_buffer_size / 1024,
1226 CODA_CMD_ENC_PIC_BB_SIZE);
Philipp Zabel477c1cf2013-06-21 03:55:33 -0300[diff] [blame]1227}
1228
1229static void coda_device_run(void *m2m_priv)
1230{
1231 struct coda_ctx *ctx = m2m_priv;
1232 struct coda_dev *dev = ctx->dev;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]1233 int ret;
1234
1235 mutex_lock(&ctx->buffer_mutex);
1236
1237 /*
1238 * If streamoff dequeued all buffers before we could get the lock,
1239 * just bail out immediately.
1240 */
1241 if ((!v4l2_m2m_num_src_bufs_ready(ctx->m2m_ctx) &&
1242 ctx->inst_type != CODA_INST_DECODER) ||
1243 !v4l2_m2m_num_dst_bufs_ready(ctx->m2m_ctx)) {
1244 v4l2_dbg(1, coda_debug, &dev->v4l2_dev,
1245 "%d: device_run without buffers\n", ctx->idx);
1246 mutex_unlock(&ctx->buffer_mutex);
1247 schedule_work(&ctx->skip_run);
1248 return;
1249 }
Philipp Zabel477c1cf2013-06-21 03:55:33 -0300[diff] [blame]1250
1251 mutex_lock(&dev->coda_mutex);
1252
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]1253 if (ctx->inst_type == CODA_INST_DECODER) {
1254 ret = coda_prepare_decode(ctx);
1255 if (ret < 0) {
1256 mutex_unlock(&dev->coda_mutex);
1257 mutex_unlock(&ctx->buffer_mutex);
1258 /* job_finish scheduled by prepare_decode */
1259 return;
1260 }
1261 } else {
1262 coda_prepare_encode(ctx);
Philipp Zabel10436672012-07-02 09:03:55 -0300[diff] [blame]1263 }
1264
Philipp Zabelc2d22512013-06-21 03:55:28 -0300[diff] [blame]1265 if (dev->devtype->product != CODA_DX6)
1266 coda_write(dev, ctx->iram_info.axi_sram_use,
1267 CODA7_REG_BIT_AXI_SRAM_USE);
1268
Philipp Zabel2fb57f02012-07-25 09:22:07 -0300[diff] [blame]1269 /* 1 second timeout in case CODA locks up */
1270 schedule_delayed_work(&dev->timeout, HZ);
1271
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]1272 if (ctx->inst_type == CODA_INST_DECODER)
1273 coda_kfifo_sync_to_device_full(ctx);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1274 coda_command_async(ctx, CODA_COMMAND_PIC_RUN);
1275}
1276
1277static int coda_job_ready(void *m2m_priv)
1278{
1279 struct coda_ctx *ctx = m2m_priv;
1280
1281 /*
1282 * For both 'P' and 'key' frame cases 1 picture
Philipp Zabel9082a7c2013-06-21 03:55:31 -0300[diff] [blame]1283 * and 1 frame are needed. In the decoder case,
1284 * the compressed frame can be in the bitstream.
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1285 */
Philipp Zabel9082a7c2013-06-21 03:55:31 -0300[diff] [blame]1286 if (!v4l2_m2m_num_src_bufs_ready(ctx->m2m_ctx) &&
1287 ctx->inst_type != CODA_INST_DECODER) {
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1288 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
1289 "not ready: not enough video buffers.\n");
1290 return 0;
1291 }
1292
Philipp Zabel9082a7c2013-06-21 03:55:31 -0300[diff] [blame]1293 if (!v4l2_m2m_num_dst_bufs_ready(ctx->m2m_ctx)) {
1294 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
1295 "not ready: not enough video capture buffers.\n");
1296 return 0;
1297 }
1298
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]1299 if (ctx->prescan_failed ||
1300 ((ctx->inst_type == CODA_INST_DECODER) &&
1301 (coda_get_bitstream_payload(ctx) < 512) &&
1302 !(ctx->bit_stream_param & CODA_BIT_STREAM_END_FLAG))) {
1303 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
1304 "%d: not ready: not enough bitstream data.\n",
1305 ctx->idx);
1306 return 0;
1307 }
1308
Philipp Zabel3e7482682013-05-23 10:43:01 -0300[diff] [blame]1309 if (ctx->aborting) {
1310 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
1311 "not ready: aborting\n");
1312 return 0;
1313 }
1314
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1315 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
1316 "job ready\n");
1317 return 1;
1318}
1319
1320static void coda_job_abort(void *priv)
1321{
1322 struct coda_ctx *ctx = priv;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1323
1324 ctx->aborting = 1;
1325
1326 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
1327 "Aborting task\n");
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1328}
1329
1330static void coda_lock(void *m2m_priv)
1331{
1332 struct coda_ctx *ctx = m2m_priv;
1333 struct coda_dev *pcdev = ctx->dev;
1334 mutex_lock(&pcdev->dev_mutex);
1335}
1336
1337static void coda_unlock(void *m2m_priv)
1338{
1339 struct coda_ctx *ctx = m2m_priv;
1340 struct coda_dev *pcdev = ctx->dev;
1341 mutex_unlock(&pcdev->dev_mutex);
1342}
1343
1344static struct v4l2_m2m_ops coda_m2m_ops = {
1345 .device_run = coda_device_run,
1346 .job_ready = coda_job_ready,
1347 .job_abort = coda_job_abort,
1348 .lock = coda_lock,
1349 .unlock = coda_unlock,
1350};
1351
1352static void set_default_params(struct coda_ctx *ctx)
1353{
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]1354 int max_w;
1355 int max_h;
1356
1357 ctx->codec = &ctx->dev->devtype->codecs[0];
1358 max_w = ctx->codec->max_w;
1359 max_h = ctx->codec->max_h;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1360
1361 ctx->params.codec_mode = CODA_MODE_INVALID;
1362 ctx->colorspace = V4L2_COLORSPACE_REC709;
1363 ctx->params.framerate = 30;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1364 ctx->aborting = 0;
1365
1366 /* Default formats for output and input queues */
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]1367 ctx->q_data[V4L2_M2M_SRC].fourcc = ctx->codec->src_fourcc;
1368 ctx->q_data[V4L2_M2M_DST].fourcc = ctx->codec->dst_fourcc;
1369 ctx->q_data[V4L2_M2M_SRC].width = max_w;
1370 ctx->q_data[V4L2_M2M_SRC].height = max_h;
1371 ctx->q_data[V4L2_M2M_SRC].sizeimage = (max_w * max_h * 3) / 2;
1372 ctx->q_data[V4L2_M2M_DST].width = max_w;
1373 ctx->q_data[V4L2_M2M_DST].height = max_h;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1374 ctx->q_data[V4L2_M2M_DST].sizeimage = CODA_MAX_FRAME_SIZE;
1375}
1376
1377/*
1378 * Queue operations
1379 */
1380static int coda_queue_setup(struct vb2_queue *vq,
1381 const struct v4l2_format *fmt,
1382 unsigned int *nbuffers, unsigned int *nplanes,
1383 unsigned int sizes[], void *alloc_ctxs[])
1384{
1385 struct coda_ctx *ctx = vb2_get_drv_priv(vq);
Philipp Zabele34db062012-08-29 08:22:00 -0300[diff] [blame]1386 struct coda_q_data *q_data;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1387 unsigned int size;
1388
Philipp Zabele34db062012-08-29 08:22:00 -0300[diff] [blame]1389 q_data = get_q_data(ctx, vq->type);
1390 size = q_data->sizeimage;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1391
1392 *nplanes = 1;
1393 sizes[0] = size;
1394
1395 alloc_ctxs[0] = ctx->dev->alloc_ctx;
1396
1397 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
1398 "get %d buffer(s) of size %d each.\n", *nbuffers, size);
1399
1400 return 0;
1401}
1402
1403static int coda_buf_prepare(struct vb2_buffer *vb)
1404{
1405 struct coda_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
1406 struct coda_q_data *q_data;
1407
1408 q_data = get_q_data(ctx, vb->vb2_queue->type);
1409
1410 if (vb2_plane_size(vb, 0) < q_data->sizeimage) {
1411 v4l2_warn(&ctx->dev->v4l2_dev,
1412 "%s data will not fit into plane (%lu < %lu)\n",
1413 __func__, vb2_plane_size(vb, 0),
1414 (long)q_data->sizeimage);
1415 return -EINVAL;
1416 }
1417
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1418 return 0;
1419}
1420
1421static void coda_buf_queue(struct vb2_buffer *vb)
1422{
1423 struct coda_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]1424 struct coda_q_data *q_data;
1425
1426 q_data = get_q_data(ctx, vb->vb2_queue->type);
1427
1428 /*
1429 * In the decoder case, immediately try to copy the buffer into the
1430 * bitstream ringbuffer and mark it as ready to be dequeued.
1431 */
1432 if (q_data->fourcc == V4L2_PIX_FMT_H264 &&
1433 vb->vb2_queue->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
1434 /*
1435 * For backwards compatiblity, queuing an empty buffer marks
1436 * the stream end
1437 */
1438 if (vb2_get_plane_payload(vb, 0) == 0)
1439 ctx->bit_stream_param |= CODA_BIT_STREAM_END_FLAG;
1440 mutex_lock(&ctx->bitstream_mutex);
1441 v4l2_m2m_buf_queue(ctx->m2m_ctx, vb);
1442 coda_fill_bitstream(ctx);
1443 mutex_unlock(&ctx->bitstream_mutex);
1444 } else {
1445 v4l2_m2m_buf_queue(ctx->m2m_ctx, vb);
1446 }
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1447}
1448
1449static void coda_wait_prepare(struct vb2_queue *q)
1450{
1451 struct coda_ctx *ctx = vb2_get_drv_priv(q);
1452 coda_unlock(ctx);
1453}
1454
1455static void coda_wait_finish(struct vb2_queue *q)
1456{
1457 struct coda_ctx *ctx = vb2_get_drv_priv(q);
1458 coda_lock(ctx);
1459}
1460
Philipp Zabel86eda902013-05-23 10:42:57 -0300[diff] [blame]1461static void coda_parabuf_write(struct coda_ctx *ctx, int index, u32 value)
1462{
1463 struct coda_dev *dev = ctx->dev;
1464 u32 *p = ctx->parabuf.vaddr;
1465
1466 if (dev->devtype->product == CODA_DX6)
1467 p[index] = value;
1468 else
1469 p[index ^ 1] = value;
1470}
1471
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]1472static int coda_alloc_aux_buf(struct coda_dev *dev,
1473 struct coda_aux_buf *buf, size_t size)
1474{
1475 buf->vaddr = dma_alloc_coherent(&dev->plat_dev->dev, size, &buf->paddr,
1476 GFP_KERNEL);
1477 if (!buf->vaddr)
1478 return -ENOMEM;
1479
1480 buf->size = size;
1481
1482 return 0;
1483}
1484
1485static inline int coda_alloc_context_buf(struct coda_ctx *ctx,
1486 struct coda_aux_buf *buf, size_t size)
1487{
1488 return coda_alloc_aux_buf(ctx->dev, buf, size);
1489}
1490
1491static void coda_free_aux_buf(struct coda_dev *dev,
1492 struct coda_aux_buf *buf)
1493{
1494 if (buf->vaddr) {
1495 dma_free_coherent(&dev->plat_dev->dev, buf->size,
1496 buf->vaddr, buf->paddr);
1497 buf->vaddr = NULL;
1498 buf->size = 0;
1499 }
1500}
1501
1502static void coda_free_framebuffers(struct coda_ctx *ctx)
1503{
1504 int i;
1505
1506 for (i = 0; i < CODA_MAX_FRAMEBUFFERS; i++)
1507 coda_free_aux_buf(ctx->dev, &ctx->internal_frames[i]);
1508}
1509
Philipp Zabelec25f682012-07-20 08:54:29 -0300[diff] [blame]1510static int coda_alloc_framebuffers(struct coda_ctx *ctx, struct coda_q_data *q_data, u32 fourcc)
1511{
1512 struct coda_dev *dev = ctx->dev;
Philipp Zabelec25f682012-07-20 08:54:29 -0300[diff] [blame]1513 int height = q_data->height;
Philipp Zabel86eda902013-05-23 10:42:57 -0300[diff] [blame]1514 dma_addr_t paddr;
1515 int ysize;
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]1516 int ret;
Philipp Zabelec25f682012-07-20 08:54:29 -0300[diff] [blame]1517 int i;
1518
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]1519 if (ctx->codec && ctx->codec->src_fourcc == V4L2_PIX_FMT_H264)
1520 height = round_up(height, 16);
Philipp Zabel86eda902013-05-23 10:42:57 -0300[diff] [blame]1521 ysize = round_up(q_data->width, 8) * height;
1522
Philipp Zabelec25f682012-07-20 08:54:29 -0300[diff] [blame]1523 /* Allocate frame buffers */
Philipp Zabelec25f682012-07-20 08:54:29 -0300[diff] [blame]1524 for (i = 0; i < ctx->num_internal_frames; i++) {
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]1525 size_t size;
1526
1527 size = q_data->sizeimage;
1528 if (ctx->codec->src_fourcc == V4L2_PIX_FMT_H264 &&
1529 dev->devtype->product != CODA_DX6)
Philipp Zabel86eda902013-05-23 10:42:57 -0300[diff] [blame]1530 ctx->internal_frames[i].size += ysize/4;
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]1531 ret = coda_alloc_context_buf(ctx, &ctx->internal_frames[i], size);
1532 if (ret < 0) {
Philipp Zabelec25f682012-07-20 08:54:29 -0300[diff] [blame]1533 coda_free_framebuffers(ctx);
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]1534 return ret;
Philipp Zabelec25f682012-07-20 08:54:29 -0300[diff] [blame]1535 }
1536 }
1537
1538 /* Register frame buffers in the parameter buffer */
Philipp Zabel86eda902013-05-23 10:42:57 -0300[diff] [blame]1539 for (i = 0; i < ctx->num_internal_frames; i++) {
1540 paddr = ctx->internal_frames[i].paddr;
1541 coda_parabuf_write(ctx, i * 3 + 0, paddr); /* Y */
1542 coda_parabuf_write(ctx, i * 3 + 1, paddr + ysize); /* Cb */
1543 coda_parabuf_write(ctx, i * 3 + 2, paddr + ysize + ysize/4); /* Cr */
Philipp Zabelec25f682012-07-20 08:54:29 -0300[diff] [blame]1544
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]1545 /* mvcol buffer for h.264 */
1546 if (ctx->codec->src_fourcc == V4L2_PIX_FMT_H264 &&
1547 dev->devtype->product != CODA_DX6)
1548 coda_parabuf_write(ctx, 96 + i,
1549 ctx->internal_frames[i].paddr +
1550 ysize + ysize/4 + ysize/4);
Philipp Zabelec25f682012-07-20 08:54:29 -0300[diff] [blame]1551 }
1552
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]1553 /* mvcol buffer for mpeg4 */
1554 if ((dev->devtype->product != CODA_DX6) &&
1555 (ctx->codec->src_fourcc == V4L2_PIX_FMT_MPEG4))
1556 coda_parabuf_write(ctx, 97, ctx->internal_frames[i].paddr +
1557 ysize + ysize/4 + ysize/4);
1558
Philipp Zabelec25f682012-07-20 08:54:29 -0300[diff] [blame]1559 return 0;
1560}
1561
Javier Martin3f3f5c72012-10-29 05:20:29 -0300[diff] [blame]1562static int coda_h264_padding(int size, char *p)
1563{
Javier Martin3f3f5c72012-10-29 05:20:29 -0300[diff] [blame]1564 int nal_size;
1565 int diff;
1566
Javier Martin832fbb52012-10-29 08:34:59 -0300[diff] [blame]1567 diff = size - (size & ~0x7);
Javier Martin3f3f5c72012-10-29 05:20:29 -0300[diff] [blame]1568 if (diff == 0)
1569 return 0;
1570
Javier Martin832fbb52012-10-29 08:34:59 -0300[diff] [blame]1571 nal_size = coda_filler_size[diff];
Javier Martin3f3f5c72012-10-29 05:20:29 -0300[diff] [blame]1572 memcpy(p, coda_filler_nal, nal_size);
1573
1574 /* Add rbsp stop bit and trailing at the end */
1575 *(p + nal_size - 1) = 0x80;
1576
1577 return nal_size;
1578}
1579
Philipp Zabelc2d22512013-06-21 03:55:28 -0300[diff] [blame]1580static void coda_setup_iram(struct coda_ctx *ctx)
1581{
1582 struct coda_iram_info *iram_info = &ctx->iram_info;
1583 struct coda_dev *dev = ctx->dev;
1584 int ipacdc_size;
1585 int bitram_size;
1586 int dbk_size;
Philipp Zabel8358e762013-06-21 03:55:32 -0300[diff] [blame]1587 int ovl_size;
Philipp Zabelc2d22512013-06-21 03:55:28 -0300[diff] [blame]1588 int mb_width;
1589 int me_size;
1590 int size;
1591
1592 memset(iram_info, 0, sizeof(*iram_info));
1593 size = dev->iram_size;
1594
1595 if (dev->devtype->product == CODA_DX6)
1596 return;
1597
1598 if (ctx->inst_type == CODA_INST_ENCODER) {
1599 struct coda_q_data *q_data_src;
1600
1601 q_data_src = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
1602 mb_width = DIV_ROUND_UP(q_data_src->width, 16);
1603
1604 /* Prioritize in case IRAM is too small for everything */
1605 me_size = round_up(round_up(q_data_src->width, 16) * 36 + 2048,
1606 1024);
1607 iram_info->search_ram_size = me_size;
1608 if (size >= iram_info->search_ram_size) {
1609 if (dev->devtype->product == CODA_7541)
1610 iram_info->axi_sram_use |= CODA7_USE_HOST_ME_ENABLE;
1611 iram_info->search_ram_paddr = dev->iram_paddr;
1612 size -= iram_info->search_ram_size;
1613 } else {
1614 pr_err("IRAM is smaller than the search ram size\n");
1615 goto out;
1616 }
1617
1618 /* Only H.264BP and H.263P3 are considered */
1619 dbk_size = round_up(128 * mb_width, 1024);
1620 if (size >= dbk_size) {
1621 iram_info->axi_sram_use |= CODA7_USE_HOST_DBK_ENABLE;
1622 iram_info->buf_dbk_y_use = dev->iram_paddr +
1623 iram_info->search_ram_size;
1624 iram_info->buf_dbk_c_use = iram_info->buf_dbk_y_use +
1625 dbk_size / 2;
1626 size -= dbk_size;
1627 } else {
1628 goto out;
1629 }
1630
1631 bitram_size = round_up(128 * mb_width, 1024);
1632 if (size >= bitram_size) {
1633 iram_info->axi_sram_use |= CODA7_USE_HOST_BIT_ENABLE;
1634 iram_info->buf_bit_use = iram_info->buf_dbk_c_use +
1635 dbk_size / 2;
1636 size -= bitram_size;
1637 } else {
1638 goto out;
1639 }
1640
1641 ipacdc_size = round_up(128 * mb_width, 1024);
1642 if (size >= ipacdc_size) {
1643 iram_info->axi_sram_use |= CODA7_USE_HOST_IP_ENABLE;
1644 iram_info->buf_ip_ac_dc_use = iram_info->buf_bit_use +
1645 bitram_size;
1646 size -= ipacdc_size;
1647 }
1648
Philipp Zabel8358e762013-06-21 03:55:32 -0300[diff] [blame]1649 /* OVL and BTP disabled for encoder */
1650 } else if (ctx->inst_type == CODA_INST_DECODER) {
1651 struct coda_q_data *q_data_dst;
1652 int mb_height;
1653
1654 q_data_dst = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
1655 mb_width = DIV_ROUND_UP(q_data_dst->width, 16);
1656 mb_height = DIV_ROUND_UP(q_data_dst->height, 16);
1657
1658 dbk_size = round_up(256 * mb_width, 1024);
1659 if (size >= dbk_size) {
1660 iram_info->axi_sram_use |= CODA7_USE_HOST_DBK_ENABLE;
1661 iram_info->buf_dbk_y_use = dev->iram_paddr;
1662 iram_info->buf_dbk_c_use = dev->iram_paddr +
1663 dbk_size / 2;
1664 size -= dbk_size;
1665 } else {
1666 goto out;
1667 }
1668
1669 bitram_size = round_up(128 * mb_width, 1024);
1670 if (size >= bitram_size) {
1671 iram_info->axi_sram_use |= CODA7_USE_HOST_BIT_ENABLE;
1672 iram_info->buf_bit_use = iram_info->buf_dbk_c_use +
1673 dbk_size / 2;
1674 size -= bitram_size;
1675 } else {
1676 goto out;
1677 }
1678
1679 ipacdc_size = round_up(128 * mb_width, 1024);
1680 if (size >= ipacdc_size) {
1681 iram_info->axi_sram_use |= CODA7_USE_HOST_IP_ENABLE;
1682 iram_info->buf_ip_ac_dc_use = iram_info->buf_bit_use +
1683 bitram_size;
1684 size -= ipacdc_size;
1685 } else {
1686 goto out;
1687 }
1688
1689 ovl_size = round_up(80 * mb_width, 1024);
Philipp Zabelc2d22512013-06-21 03:55:28 -0300[diff] [blame]1690 }
1691
1692out:
1693 switch (dev->devtype->product) {
1694 case CODA_DX6:
1695 break;
1696 case CODA_7541:
1697 /* i.MX53 uses secondary AXI for IRAM access */
1698 if (iram_info->axi_sram_use & CODA7_USE_HOST_BIT_ENABLE)
1699 iram_info->axi_sram_use |= CODA7_USE_BIT_ENABLE;
1700 if (iram_info->axi_sram_use & CODA7_USE_HOST_IP_ENABLE)
1701 iram_info->axi_sram_use |= CODA7_USE_IP_ENABLE;
1702 if (iram_info->axi_sram_use & CODA7_USE_HOST_DBK_ENABLE)
1703 iram_info->axi_sram_use |= CODA7_USE_DBK_ENABLE;
1704 if (iram_info->axi_sram_use & CODA7_USE_HOST_OVL_ENABLE)
1705 iram_info->axi_sram_use |= CODA7_USE_OVL_ENABLE;
1706 if (iram_info->axi_sram_use & CODA7_USE_HOST_ME_ENABLE)
1707 iram_info->axi_sram_use |= CODA7_USE_ME_ENABLE;
1708 }
1709
1710 if (!(iram_info->axi_sram_use & CODA7_USE_HOST_IP_ENABLE))
1711 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
1712 "IRAM smaller than needed\n");
1713
1714 if (dev->devtype->product == CODA_7541) {
1715 /* TODO - Enabling these causes picture errors on CODA7541 */
Philipp Zabel8358e762013-06-21 03:55:32 -0300[diff] [blame]1716 if (ctx->inst_type == CODA_INST_DECODER) {
1717 /* fw 1.4.50 */
1718 iram_info->axi_sram_use &= ~(CODA7_USE_HOST_IP_ENABLE |
1719 CODA7_USE_IP_ENABLE);
1720 } else {
1721 /* fw 13.4.29 */
Philipp Zabelc2d22512013-06-21 03:55:28 -0300[diff] [blame]1722 iram_info->axi_sram_use &= ~(CODA7_USE_HOST_IP_ENABLE |
1723 CODA7_USE_HOST_DBK_ENABLE |
1724 CODA7_USE_IP_ENABLE |
1725 CODA7_USE_DBK_ENABLE);
1726 }
1727 }
1728}
1729
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]1730static void coda_free_context_buffers(struct coda_ctx *ctx)
1731{
1732 struct coda_dev *dev = ctx->dev;
1733
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]1734 coda_free_aux_buf(dev, &ctx->slicebuf);
1735 coda_free_aux_buf(dev, &ctx->psbuf);
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]1736 if (dev->devtype->product != CODA_DX6)
1737 coda_free_aux_buf(dev, &ctx->workbuf);
1738}
1739
1740static int coda_alloc_context_buffers(struct coda_ctx *ctx,
1741 struct coda_q_data *q_data)
1742{
1743 struct coda_dev *dev = ctx->dev;
1744 size_t size;
1745 int ret;
1746
1747 switch (dev->devtype->product) {
1748 case CODA_7541:
1749 size = CODA7_WORK_BUF_SIZE;
1750 break;
1751 default:
1752 return 0;
1753 }
1754
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]1755 if (ctx->psbuf.vaddr) {
1756 v4l2_err(&dev->v4l2_dev, "psmembuf still allocated\n");
1757 return -EBUSY;
1758 }
1759 if (ctx->slicebuf.vaddr) {
1760 v4l2_err(&dev->v4l2_dev, "slicebuf still allocated\n");
1761 return -EBUSY;
1762 }
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]1763 if (ctx->workbuf.vaddr) {
1764 v4l2_err(&dev->v4l2_dev, "context buffer still allocated\n");
1765 ret = -EBUSY;
1766 return -ENOMEM;
1767 }
1768
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]1769 if (q_data->fourcc == V4L2_PIX_FMT_H264) {
1770 /* worst case slice size */
1771 size = (DIV_ROUND_UP(q_data->width, 16) *
1772 DIV_ROUND_UP(q_data->height, 16)) * 3200 / 8 + 512;
1773 ret = coda_alloc_context_buf(ctx, &ctx->slicebuf, size);
1774 if (ret < 0) {
1775 v4l2_err(&dev->v4l2_dev, "failed to allocate %d byte slice buffer",
1776 ctx->slicebuf.size);
1777 return ret;
1778 }
1779 }
1780
1781 if (dev->devtype->product == CODA_7541) {
1782 ret = coda_alloc_context_buf(ctx, &ctx->psbuf, CODA7_PS_BUF_SIZE);
1783 if (ret < 0) {
1784 v4l2_err(&dev->v4l2_dev, "failed to allocate psmem buffer");
1785 goto err;
1786 }
1787 }
1788
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]1789 ret = coda_alloc_context_buf(ctx, &ctx->workbuf, size);
1790 if (ret < 0) {
1791 v4l2_err(&dev->v4l2_dev, "failed to allocate %d byte context buffer",
1792 ctx->workbuf.size);
1793 goto err;
1794 }
1795
1796 return 0;
1797
1798err:
1799 coda_free_context_buffers(ctx);
1800 return ret;
1801}
1802
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]1803static int coda_start_decoding(struct coda_ctx *ctx)
1804{
1805 struct coda_q_data *q_data_src, *q_data_dst;
1806 u32 bitstream_buf, bitstream_size;
1807 struct coda_dev *dev = ctx->dev;
1808 int width, height;
1809 u32 src_fourcc;
1810 u32 val;
1811 int ret;
1812
1813 /* Start decoding */
1814 q_data_src = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
1815 q_data_dst = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
1816 bitstream_buf = ctx->bitstream.paddr;
1817 bitstream_size = ctx->bitstream.size;
1818 src_fourcc = q_data_src->fourcc;
1819
1820 coda_write(dev, ctx->parabuf.paddr, CODA_REG_BIT_PARA_BUF_ADDR);
1821
1822 /* Update coda bitstream read and write pointers from kfifo */
1823 coda_kfifo_sync_to_device_full(ctx);
1824
1825 ctx->display_idx = -1;
1826 ctx->frm_dis_flg = 0;
1827 coda_write(dev, 0, CODA_REG_BIT_FRM_DIS_FLG(ctx->reg_idx));
1828
1829 coda_write(dev, CODA_BIT_DEC_SEQ_INIT_ESCAPE,
1830 CODA_REG_BIT_BIT_STREAM_PARAM);
1831
1832 coda_write(dev, bitstream_buf, CODA_CMD_DEC_SEQ_BB_START);
1833 coda_write(dev, bitstream_size / 1024, CODA_CMD_DEC_SEQ_BB_SIZE);
1834 val = 0;
1835 if (dev->devtype->product == CODA_7541)
1836 val |= CODA_REORDER_ENABLE;
1837 coda_write(dev, val, CODA_CMD_DEC_SEQ_OPTION);
1838
1839 ctx->params.codec_mode = ctx->codec->mode;
1840 ctx->params.codec_mode_aux = 0;
1841 if (src_fourcc == V4L2_PIX_FMT_H264) {
1842 if (dev->devtype->product == CODA_7541) {
1843 coda_write(dev, ctx->psbuf.paddr,
1844 CODA_CMD_DEC_SEQ_PS_BB_START);
1845 coda_write(dev, (CODA7_PS_BUF_SIZE / 1024),
1846 CODA_CMD_DEC_SEQ_PS_BB_SIZE);
1847 }
1848 }
1849
1850 if (coda_command_sync(ctx, CODA_COMMAND_SEQ_INIT)) {
1851 v4l2_err(&dev->v4l2_dev, "CODA_COMMAND_SEQ_INIT timeout\n");
1852 coda_write(dev, 0, CODA_REG_BIT_BIT_STREAM_PARAM);
1853 return -ETIMEDOUT;
1854 }
1855
1856 /* Update kfifo out pointer from coda bitstream read pointer */
1857 coda_kfifo_sync_from_device(ctx);
1858
1859 coda_write(dev, 0, CODA_REG_BIT_BIT_STREAM_PARAM);
1860
1861 if (coda_read(dev, CODA_RET_DEC_SEQ_SUCCESS) == 0) {
1862 v4l2_err(&dev->v4l2_dev,
1863 "CODA_COMMAND_SEQ_INIT failed, error code = %d\n",
1864 coda_read(dev, CODA_RET_DEC_SEQ_ERR_REASON));
1865 return -EAGAIN;
1866 }
1867
1868 val = coda_read(dev, CODA_RET_DEC_SEQ_SRC_SIZE);
1869 if (dev->devtype->product == CODA_DX6) {
1870 width = (val >> CODADX6_PICWIDTH_OFFSET) & CODADX6_PICWIDTH_MASK;
1871 height = val & CODADX6_PICHEIGHT_MASK;
1872 } else {
1873 width = (val >> CODA7_PICWIDTH_OFFSET) & CODA7_PICWIDTH_MASK;
1874 height = val & CODA7_PICHEIGHT_MASK;
1875 }
1876
1877 if (width > q_data_dst->width || height > q_data_dst->height) {
1878 v4l2_err(&dev->v4l2_dev, "stream is %dx%d, not %dx%d\n",
1879 width, height, q_data_dst->width, q_data_dst->height);
1880 return -EINVAL;
1881 }
1882
1883 width = round_up(width, 16);
1884 height = round_up(height, 16);
1885
1886 v4l2_dbg(1, coda_debug, &dev->v4l2_dev, "%s instance %d now: %dx%d\n",
1887 __func__, ctx->idx, width, height);
1888
1889 ctx->num_internal_frames = coda_read(dev, CODA_RET_DEC_SEQ_FRAME_NEED) + 1;
1890 if (ctx->num_internal_frames > CODA_MAX_FRAMEBUFFERS) {
1891 v4l2_err(&dev->v4l2_dev,
1892 "not enough framebuffers to decode (%d < %d)\n",
1893 CODA_MAX_FRAMEBUFFERS, ctx->num_internal_frames);
1894 return -EINVAL;
1895 }
1896
1897 ret = coda_alloc_framebuffers(ctx, q_data_dst, src_fourcc);
1898 if (ret < 0)
1899 return ret;
1900
1901 /* Tell the decoder how many frame buffers we allocated. */
1902 coda_write(dev, ctx->num_internal_frames, CODA_CMD_SET_FRAME_BUF_NUM);
1903 coda_write(dev, width, CODA_CMD_SET_FRAME_BUF_STRIDE);
1904
1905 if (dev->devtype->product != CODA_DX6) {
1906 /* Set secondary AXI IRAM */
1907 coda_setup_iram(ctx);
1908
1909 coda_write(dev, ctx->iram_info.buf_bit_use,
1910 CODA7_CMD_SET_FRAME_AXI_BIT_ADDR);
1911 coda_write(dev, ctx->iram_info.buf_ip_ac_dc_use,
1912 CODA7_CMD_SET_FRAME_AXI_IPACDC_ADDR);
1913 coda_write(dev, ctx->iram_info.buf_dbk_y_use,
1914 CODA7_CMD_SET_FRAME_AXI_DBKY_ADDR);
1915 coda_write(dev, ctx->iram_info.buf_dbk_c_use,
1916 CODA7_CMD_SET_FRAME_AXI_DBKC_ADDR);
1917 coda_write(dev, ctx->iram_info.buf_ovl_use,
1918 CODA7_CMD_SET_FRAME_AXI_OVL_ADDR);
1919 }
1920
1921 if (src_fourcc == V4L2_PIX_FMT_H264) {
1922 coda_write(dev, ctx->slicebuf.paddr,
1923 CODA_CMD_SET_FRAME_SLICE_BB_START);
1924 coda_write(dev, ctx->slicebuf.size / 1024,
1925 CODA_CMD_SET_FRAME_SLICE_BB_SIZE);
1926 }
1927
1928 if (dev->devtype->product == CODA_7541) {
1929 int max_mb_x = 1920 / 16;
1930 int max_mb_y = 1088 / 16;
1931 int max_mb_num = max_mb_x * max_mb_y;
1932 coda_write(dev, max_mb_num << 16 | max_mb_x << 8 | max_mb_y,
1933 CODA7_CMD_SET_FRAME_MAX_DEC_SIZE);
1934 }
1935
1936 if (coda_command_sync(ctx, CODA_COMMAND_SET_FRAME_BUF)) {
1937 v4l2_err(&ctx->dev->v4l2_dev,
1938 "CODA_COMMAND_SET_FRAME_BUF timeout\n");
1939 return -ETIMEDOUT;
1940 }
1941
1942 return 0;
1943}
1944
Philipp Zabeld35167a2013-05-23 10:42:59 -0300[diff] [blame]1945static int coda_encode_header(struct coda_ctx *ctx, struct vb2_buffer *buf,
1946 int header_code, u8 *header, int *size)
1947{
1948 struct coda_dev *dev = ctx->dev;
1949 int ret;
1950
1951 coda_write(dev, vb2_dma_contig_plane_dma_addr(buf, 0),
1952 CODA_CMD_ENC_HEADER_BB_START);
1953 coda_write(dev, vb2_plane_size(buf, 0), CODA_CMD_ENC_HEADER_BB_SIZE);
1954 coda_write(dev, header_code, CODA_CMD_ENC_HEADER_CODE);
1955 ret = coda_command_sync(ctx, CODA_COMMAND_ENCODE_HEADER);
1956 if (ret < 0) {
1957 v4l2_err(&dev->v4l2_dev, "CODA_COMMAND_ENCODE_HEADER timeout\n");
1958 return ret;
1959 }
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]1960 *size = coda_read(dev, CODA_REG_BIT_WR_PTR(ctx->reg_idx)) -
Philipp Zabeld35167a2013-05-23 10:42:59 -0300[diff] [blame]1961 coda_read(dev, CODA_CMD_ENC_HEADER_BB_START);
1962 memcpy(header, vb2_plane_vaddr(buf, 0), *size);
1963
1964 return 0;
1965}
1966
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1967static int coda_start_streaming(struct vb2_queue *q, unsigned int count)
1968{
1969 struct coda_ctx *ctx = vb2_get_drv_priv(q);
1970 struct v4l2_device *v4l2_dev = &ctx->dev->v4l2_dev;
1971 u32 bitstream_buf, bitstream_size;
1972 struct coda_dev *dev = ctx->dev;
1973 struct coda_q_data *q_data_src, *q_data_dst;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1974 struct vb2_buffer *buf;
Philipp Zabelec25f682012-07-20 08:54:29 -0300[diff] [blame]1975 u32 dst_fourcc;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1976 u32 value;
Philipp Zabeld35167a2013-05-23 10:42:59 -0300[diff] [blame]1977 int ret = 0;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1978
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]1979 q_data_src = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]1980 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
1981 if (q_data_src->fourcc == V4L2_PIX_FMT_H264) {
1982 if (coda_get_bitstream_payload(ctx) < 512)
1983 return -EINVAL;
1984 } else {
1985 if (count < 1)
1986 return -EINVAL;
1987 }
1988
1989 ctx->streamon_out = 1;
1990
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]1991 if (coda_format_is_yuv(q_data_src->fourcc))
1992 ctx->inst_type = CODA_INST_ENCODER;
1993 else
1994 ctx->inst_type = CODA_INST_DECODER;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]1995 } else {
1996 if (count < 1)
1997 return -EINVAL;
1998
1999 ctx->streamon_cap = 1;
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]2000 }
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2001
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]2002 /* Don't start the coda unless both queues are on */
2003 if (!(ctx->streamon_out & ctx->streamon_cap))
2004 return 0;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2005
Philipp Zabeleb107512013-09-30 10:34:45 -0300[diff] [blame]2006 /* Allow decoder device_run with no new buffers queued */
2007 if (ctx->inst_type == CODA_INST_DECODER)
2008 v4l2_m2m_set_src_buffered(ctx->m2m_ctx, true);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2009
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]2010 ctx->gopcounter = ctx->params.gop_size - 1;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2011 buf = v4l2_m2m_next_dst_buf(ctx->m2m_ctx);
2012 bitstream_buf = vb2_dma_contig_plane_dma_addr(buf, 0);
2013 q_data_dst = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
2014 bitstream_size = q_data_dst->sizeimage;
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]2015 dst_fourcc = q_data_dst->fourcc;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2016
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]2017 ctx->codec = coda_find_codec(ctx->dev, q_data_src->fourcc,
2018 q_data_dst->fourcc);
2019 if (!ctx->codec) {
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2020 v4l2_err(v4l2_dev, "couldn't tell instance type.\n");
2021 return -EINVAL;
2022 }
2023
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]2024 /* Allocate per-instance buffers */
2025 ret = coda_alloc_context_buffers(ctx, q_data_src);
2026 if (ret < 0)
2027 return ret;
2028
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2029 if (ctx->inst_type == CODA_INST_DECODER) {
2030 mutex_lock(&dev->coda_mutex);
2031 ret = coda_start_decoding(ctx);
2032 mutex_unlock(&dev->coda_mutex);
2033 if (ret == -EAGAIN) {
2034 return 0;
2035 } else if (ret < 0) {
2036 return ret;
2037 } else {
2038 ctx->initialized = 1;
2039 return 0;
2040 }
2041 }
2042
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2043 if (!coda_is_initialized(dev)) {
2044 v4l2_err(v4l2_dev, "coda is not initialized.\n");
2045 return -EFAULT;
2046 }
Philipp Zabelfcb62822013-05-23 10:43:00 -0300[diff] [blame]2047
2048 mutex_lock(&dev->coda_mutex);
2049
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2050 coda_write(dev, ctx->parabuf.paddr, CODA_REG_BIT_PARA_BUF_ADDR);
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]2051 coda_write(dev, bitstream_buf, CODA_REG_BIT_RD_PTR(ctx->reg_idx));
2052 coda_write(dev, bitstream_buf, CODA_REG_BIT_WR_PTR(ctx->reg_idx));
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2053 switch (dev->devtype->product) {
2054 case CODA_DX6:
2055 coda_write(dev, CODADX6_STREAM_BUF_DYNALLOC_EN |
2056 CODADX6_STREAM_BUF_PIC_RESET, CODA_REG_BIT_STREAM_CTRL);
2057 break;
2058 default:
2059 coda_write(dev, CODA7_STREAM_BUF_DYNALLOC_EN |
2060 CODA7_STREAM_BUF_PIC_RESET, CODA_REG_BIT_STREAM_CTRL);
2061 }
2062
Philipp Zabel10436672012-07-02 09:03:55 -0300[diff] [blame]2063 if (dev->devtype->product == CODA_DX6) {
2064 /* Configure the coda */
2065 coda_write(dev, dev->iram_paddr, CODADX6_REG_BIT_SEARCH_RAM_BASE_ADDR);
2066 }
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2067
2068 /* Could set rotation here if needed */
2069 switch (dev->devtype->product) {
2070 case CODA_DX6:
2071 value = (q_data_src->width & CODADX6_PICWIDTH_MASK) << CODADX6_PICWIDTH_OFFSET;
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]2072 value |= (q_data_src->height & CODADX6_PICHEIGHT_MASK) << CODA_PICHEIGHT_OFFSET;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2073 break;
2074 default:
2075 value = (q_data_src->width & CODA7_PICWIDTH_MASK) << CODA7_PICWIDTH_OFFSET;
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]2076 value |= (q_data_src->height & CODA7_PICHEIGHT_MASK) << CODA_PICHEIGHT_OFFSET;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2077 }
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2078 coda_write(dev, value, CODA_CMD_ENC_SEQ_SRC_SIZE);
2079 coda_write(dev, ctx->params.framerate,
2080 CODA_CMD_ENC_SEQ_SRC_F_RATE);
2081
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]2082 ctx->params.codec_mode = ctx->codec->mode;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2083 switch (dst_fourcc) {
2084 case V4L2_PIX_FMT_MPEG4:
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2085 coda_write(dev, CODA_STD_MPEG4, CODA_CMD_ENC_SEQ_COD_STD);
2086 coda_write(dev, 0, CODA_CMD_ENC_SEQ_MP4_PARA);
2087 break;
2088 case V4L2_PIX_FMT_H264:
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2089 coda_write(dev, CODA_STD_H264, CODA_CMD_ENC_SEQ_COD_STD);
2090 coda_write(dev, 0, CODA_CMD_ENC_SEQ_264_PARA);
2091 break;
2092 default:
2093 v4l2_err(v4l2_dev,
2094 "dst format (0x%08x) invalid.\n", dst_fourcc);
Philipp Zabelfcb62822013-05-23 10:43:00 -0300[diff] [blame]2095 ret = -EINVAL;
2096 goto out;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2097 }
2098
Philipp Zabelc566c782012-08-08 11:59:38 -0300[diff] [blame]2099 switch (ctx->params.slice_mode) {
2100 case V4L2_MPEG_VIDEO_MULTI_SLICE_MODE_SINGLE:
2101 value = 0;
2102 break;
2103 case V4L2_MPEG_VIDEO_MULTI_SICE_MODE_MAX_MB:
2104 value = (ctx->params.slice_max_mb & CODA_SLICING_SIZE_MASK) << CODA_SLICING_SIZE_OFFSET;
2105 value |= (1 & CODA_SLICING_UNIT_MASK) << CODA_SLICING_UNIT_OFFSET;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2106 value |= 1 & CODA_SLICING_MODE_MASK;
Philipp Zabelc566c782012-08-08 11:59:38 -0300[diff] [blame]2107 break;
2108 case V4L2_MPEG_VIDEO_MULTI_SICE_MODE_MAX_BYTES:
2109 value = (ctx->params.slice_max_bits & CODA_SLICING_SIZE_MASK) << CODA_SLICING_SIZE_OFFSET;
2110 value |= (0 & CODA_SLICING_UNIT_MASK) << CODA_SLICING_UNIT_OFFSET;
2111 value |= 1 & CODA_SLICING_MODE_MASK;
2112 break;
2113 }
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2114 coda_write(dev, value, CODA_CMD_ENC_SEQ_SLICE_MODE);
Philipp Zabelc566c782012-08-08 11:59:38 -0300[diff] [blame]2115 value = ctx->params.gop_size & CODA_GOP_SIZE_MASK;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2116 coda_write(dev, value, CODA_CMD_ENC_SEQ_GOP_SIZE);
2117
2118 if (ctx->params.bitrate) {
2119 /* Rate control enabled */
2120 value = (ctx->params.bitrate & CODA_RATECONTROL_BITRATE_MASK) << CODA_RATECONTROL_BITRATE_OFFSET;
2121 value |= 1 & CODA_RATECONTROL_ENABLE_MASK;
2122 } else {
2123 value = 0;
2124 }
2125 coda_write(dev, value, CODA_CMD_ENC_SEQ_RC_PARA);
2126
2127 coda_write(dev, 0, CODA_CMD_ENC_SEQ_RC_BUF_SIZE);
2128 coda_write(dev, 0, CODA_CMD_ENC_SEQ_INTRA_REFRESH);
2129
2130 coda_write(dev, bitstream_buf, CODA_CMD_ENC_SEQ_BB_START);
2131 coda_write(dev, bitstream_size / 1024, CODA_CMD_ENC_SEQ_BB_SIZE);
2132
2133 /* set default gamma */
2134 value = (CODA_DEFAULT_GAMMA & CODA_GAMMA_MASK) << CODA_GAMMA_OFFSET;
2135 coda_write(dev, value, CODA_CMD_ENC_SEQ_RC_GAMMA);
2136
Philipp Zabelfb1fcf12013-05-23 10:42:53 -0300[diff] [blame]2137 if (CODA_DEFAULT_GAMMA > 0) {
2138 if (dev->devtype->product == CODA_DX6)
2139 value = 1 << CODADX6_OPTION_GAMMA_OFFSET;
2140 else
2141 value = 1 << CODA7_OPTION_GAMMA_OFFSET;
2142 } else {
2143 value = 0;
2144 }
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2145 coda_write(dev, value, CODA_CMD_ENC_SEQ_OPTION);
2146
Philipp Zabelc2d22512013-06-21 03:55:28 -0300[diff] [blame]2147 coda_setup_iram(ctx);
2148
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2149 if (dst_fourcc == V4L2_PIX_FMT_H264) {
Philipp Zabel10436672012-07-02 09:03:55 -0300[diff] [blame]2150 if (dev->devtype->product == CODA_DX6) {
Philipp Zabel0fd84dc2013-09-30 10:34:47 -0300[diff] [blame]2151 value = FMO_SLICE_SAVE_BUF_SIZE << 7;
Philipp Zabel10436672012-07-02 09:03:55 -0300[diff] [blame]2152 coda_write(dev, value, CODADX6_CMD_ENC_SEQ_FMO);
2153 } else {
Philipp Zabelc2d22512013-06-21 03:55:28 -0300[diff] [blame]2154 coda_write(dev, ctx->iram_info.search_ram_paddr,
2155 CODA7_CMD_ENC_SEQ_SEARCH_BASE);
2156 coda_write(dev, ctx->iram_info.search_ram_size,
2157 CODA7_CMD_ENC_SEQ_SEARCH_SIZE);
Philipp Zabel10436672012-07-02 09:03:55 -0300[diff] [blame]2158 }
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2159 }
2160
Philipp Zabelfcb62822013-05-23 10:43:00 -0300[diff] [blame]2161 ret = coda_command_sync(ctx, CODA_COMMAND_SEQ_INIT);
2162 if (ret < 0) {
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2163 v4l2_err(v4l2_dev, "CODA_COMMAND_SEQ_INIT timeout\n");
Philipp Zabelfcb62822013-05-23 10:43:00 -0300[diff] [blame]2164 goto out;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2165 }
2166
Philipp Zabelfcb62822013-05-23 10:43:00 -0300[diff] [blame]2167 if (coda_read(dev, CODA_RET_ENC_SEQ_SUCCESS) == 0) {
2168 v4l2_err(v4l2_dev, "CODA_COMMAND_SEQ_INIT failed\n");
2169 ret = -EFAULT;
2170 goto out;
2171 }
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2172
Philipp Zabel20397492013-06-21 03:55:29 -0300[diff] [blame]2173 ctx->num_internal_frames = 2;
Philipp Zabelec25f682012-07-20 08:54:29 -0300[diff] [blame]2174 ret = coda_alloc_framebuffers(ctx, q_data_src, dst_fourcc);
Philipp Zabelfcb62822013-05-23 10:43:00 -0300[diff] [blame]2175 if (ret < 0) {
2176 v4l2_err(v4l2_dev, "failed to allocate framebuffers\n");
2177 goto out;
2178 }
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2179
Philipp Zabelec25f682012-07-20 08:54:29 -0300[diff] [blame]2180 coda_write(dev, ctx->num_internal_frames, CODA_CMD_SET_FRAME_BUF_NUM);
Philipp Zabel10436672012-07-02 09:03:55 -0300[diff] [blame]2181 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]2182 if (dev->devtype->product == CODA_7541)
2183 coda_write(dev, round_up(q_data_src->width, 8),
2184 CODA7_CMD_SET_FRAME_SOURCE_BUF_STRIDE);
Philipp Zabel10436672012-07-02 09:03:55 -0300[diff] [blame]2185 if (dev->devtype->product != CODA_DX6) {
Philipp Zabelc2d22512013-06-21 03:55:28 -0300[diff] [blame]2186 coda_write(dev, ctx->iram_info.buf_bit_use,
2187 CODA7_CMD_SET_FRAME_AXI_BIT_ADDR);
2188 coda_write(dev, ctx->iram_info.buf_ip_ac_dc_use,
2189 CODA7_CMD_SET_FRAME_AXI_IPACDC_ADDR);
2190 coda_write(dev, ctx->iram_info.buf_dbk_y_use,
2191 CODA7_CMD_SET_FRAME_AXI_DBKY_ADDR);
2192 coda_write(dev, ctx->iram_info.buf_dbk_c_use,
2193 CODA7_CMD_SET_FRAME_AXI_DBKC_ADDR);
2194 coda_write(dev, ctx->iram_info.buf_ovl_use,
2195 CODA7_CMD_SET_FRAME_AXI_OVL_ADDR);
Philipp Zabel10436672012-07-02 09:03:55 -0300[diff] [blame]2196 }
Philipp Zabelfcb62822013-05-23 10:43:00 -0300[diff] [blame]2197 ret = coda_command_sync(ctx, CODA_COMMAND_SET_FRAME_BUF);
2198 if (ret < 0) {
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2199 v4l2_err(v4l2_dev, "CODA_COMMAND_SET_FRAME_BUF timeout\n");
Philipp Zabelfcb62822013-05-23 10:43:00 -0300[diff] [blame]2200 goto out;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2201 }
2202
2203 /* Save stream headers */
2204 buf = v4l2_m2m_next_dst_buf(ctx->m2m_ctx);
2205 switch (dst_fourcc) {
2206 case V4L2_PIX_FMT_H264:
2207 /*
2208 * Get SPS in the first frame and copy it to an
2209 * intermediate buffer.
2210 */
Philipp Zabeld35167a2013-05-23 10:42:59 -0300[diff] [blame]2211 ret = coda_encode_header(ctx, buf, CODA_HEADER_H264_SPS,
2212 &ctx->vpu_header[0][0],
2213 &ctx->vpu_header_size[0]);
2214 if (ret < 0)
2215 goto out;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2216
2217 /*
2218 * Get PPS in the first frame and copy it to an
2219 * intermediate buffer.
2220 */
Philipp Zabeld35167a2013-05-23 10:42:59 -0300[diff] [blame]2221 ret = coda_encode_header(ctx, buf, CODA_HEADER_H264_PPS,
2222 &ctx->vpu_header[1][0],
2223 &ctx->vpu_header_size[1]);
2224 if (ret < 0)
2225 goto out;
2226
Javier Martin3f3f5c72012-10-29 05:20:29 -0300[diff] [blame]2227 /*
2228 * Length of H.264 headers is variable and thus it might not be
2229 * aligned for the coda to append the encoded frame. In that is
2230 * the case a filler NAL must be added to header 2.
2231 */
2232 ctx->vpu_header_size[2] = coda_h264_padding(
2233 (ctx->vpu_header_size[0] +
2234 ctx->vpu_header_size[1]),
2235 ctx->vpu_header[2]);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2236 break;
2237 case V4L2_PIX_FMT_MPEG4:
2238 /*
2239 * Get VOS in the first frame and copy it to an
2240 * intermediate buffer
2241 */
Philipp Zabeld35167a2013-05-23 10:42:59 -0300[diff] [blame]2242 ret = coda_encode_header(ctx, buf, CODA_HEADER_MP4V_VOS,
2243 &ctx->vpu_header[0][0],
2244 &ctx->vpu_header_size[0]);
2245 if (ret < 0)
2246 goto out;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2247
Philipp Zabeld35167a2013-05-23 10:42:59 -0300[diff] [blame]2248 ret = coda_encode_header(ctx, buf, CODA_HEADER_MP4V_VIS,
2249 &ctx->vpu_header[1][0],
2250 &ctx->vpu_header_size[1]);
2251 if (ret < 0)
2252 goto out;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2253
Philipp Zabeld35167a2013-05-23 10:42:59 -0300[diff] [blame]2254 ret = coda_encode_header(ctx, buf, CODA_HEADER_MP4V_VOL,
2255 &ctx->vpu_header[2][0],
2256 &ctx->vpu_header_size[2]);
2257 if (ret < 0)
2258 goto out;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2259 break;
2260 default:
2261 /* No more formats need to save headers at the moment */
2262 break;
2263 }
2264
Philipp Zabeld35167a2013-05-23 10:42:59 -0300[diff] [blame]2265out:
Philipp Zabelfcb62822013-05-23 10:43:00 -0300[diff] [blame]2266 mutex_unlock(&dev->coda_mutex);
Philipp Zabeld35167a2013-05-23 10:42:59 -0300[diff] [blame]2267 return ret;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2268}
2269
2270static int coda_stop_streaming(struct vb2_queue *q)
2271{
2272 struct coda_ctx *ctx = vb2_get_drv_priv(q);
Philipp Zabel2fb57f02012-07-25 09:22:07 -0300[diff] [blame]2273 struct coda_dev *dev = ctx->dev;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2274
2275 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2276 v4l2_dbg(1, coda_debug, &dev->v4l2_dev,
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2277 "%s: output\n", __func__);
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]2278 ctx->streamon_out = 0;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2279
2280 ctx->bit_stream_param |= CODA_BIT_STREAM_END_FLAG;
2281
2282 ctx->isequence = 0;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2283 } else {
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2284 v4l2_dbg(1, coda_debug, &dev->v4l2_dev,
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2285 "%s: capture\n", __func__);
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]2286 ctx->streamon_cap = 0;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2287
2288 ctx->osequence = 0;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2289 }
2290
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2291 if (!ctx->streamon_out && !ctx->streamon_cap) {
2292 kfifo_init(&ctx->bitstream_fifo,
2293 ctx->bitstream.vaddr, ctx->bitstream.size);
2294 ctx->runcounter = 0;
Philipp Zabel62bed142012-07-25 10:40:39 -0300[diff] [blame]2295 }
Philipp Zabel62bed142012-07-25 10:40:39 -0300[diff] [blame]2296
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2297 return 0;
2298}
2299
2300static struct vb2_ops coda_qops = {
2301 .queue_setup = coda_queue_setup,
2302 .buf_prepare = coda_buf_prepare,
2303 .buf_queue = coda_buf_queue,
2304 .wait_prepare = coda_wait_prepare,
2305 .wait_finish = coda_wait_finish,
2306 .start_streaming = coda_start_streaming,
2307 .stop_streaming = coda_stop_streaming,
2308};
2309
2310static int coda_s_ctrl(struct v4l2_ctrl *ctrl)
2311{
2312 struct coda_ctx *ctx =
2313 container_of(ctrl->handler, struct coda_ctx, ctrls);
2314
2315 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
2316 "s_ctrl: id = %d, val = %d\n", ctrl->id, ctrl->val);
2317
2318 switch (ctrl->id) {
Philipp Zabel8f35c7b2012-07-09 04:25:52 -0300[diff] [blame]2319 case V4L2_CID_HFLIP:
2320 if (ctrl->val)
2321 ctx->params.rot_mode |= CODA_MIR_HOR;
2322 else
2323 ctx->params.rot_mode &= ~CODA_MIR_HOR;
2324 break;
2325 case V4L2_CID_VFLIP:
2326 if (ctrl->val)
2327 ctx->params.rot_mode |= CODA_MIR_VER;
2328 else
2329 ctx->params.rot_mode &= ~CODA_MIR_VER;
2330 break;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2331 case V4L2_CID_MPEG_VIDEO_BITRATE:
2332 ctx->params.bitrate = ctrl->val / 1000;
2333 break;
2334 case V4L2_CID_MPEG_VIDEO_GOP_SIZE:
2335 ctx->params.gop_size = ctrl->val;
2336 break;
2337 case V4L2_CID_MPEG_VIDEO_H264_I_FRAME_QP:
2338 ctx->params.h264_intra_qp = ctrl->val;
2339 break;
2340 case V4L2_CID_MPEG_VIDEO_H264_P_FRAME_QP:
2341 ctx->params.h264_inter_qp = ctrl->val;
2342 break;
2343 case V4L2_CID_MPEG_VIDEO_MPEG4_I_FRAME_QP:
2344 ctx->params.mpeg4_intra_qp = ctrl->val;
2345 break;
2346 case V4L2_CID_MPEG_VIDEO_MPEG4_P_FRAME_QP:
2347 ctx->params.mpeg4_inter_qp = ctrl->val;
2348 break;
2349 case V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MODE:
2350 ctx->params.slice_mode = ctrl->val;
2351 break;
2352 case V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_MB:
2353 ctx->params.slice_max_mb = ctrl->val;
2354 break;
Philipp Zabelc566c782012-08-08 11:59:38 -0300[diff] [blame]2355 case V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_BYTES:
2356 ctx->params.slice_max_bits = ctrl->val * 8;
2357 break;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2358 case V4L2_CID_MPEG_VIDEO_HEADER_MODE:
2359 break;
2360 default:
2361 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
2362 "Invalid control, id=%d, val=%d\n",
2363 ctrl->id, ctrl->val);
2364 return -EINVAL;
2365 }
2366
2367 return 0;
2368}
2369
2370static struct v4l2_ctrl_ops coda_ctrl_ops = {
2371 .s_ctrl = coda_s_ctrl,
2372};
2373
2374static int coda_ctrls_setup(struct coda_ctx *ctx)
2375{
2376 v4l2_ctrl_handler_init(&ctx->ctrls, 9);
2377
2378 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
Philipp Zabel8f35c7b2012-07-09 04:25:52 -0300[diff] [blame]2379 V4L2_CID_HFLIP, 0, 1, 1, 0);
2380 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
2381 V4L2_CID_VFLIP, 0, 1, 1, 0);
2382 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2383 V4L2_CID_MPEG_VIDEO_BITRATE, 0, 32767000, 1, 0);
2384 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
2385 V4L2_CID_MPEG_VIDEO_GOP_SIZE, 1, 60, 1, 16);
2386 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
2387 V4L2_CID_MPEG_VIDEO_H264_I_FRAME_QP, 1, 51, 1, 25);
2388 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
2389 V4L2_CID_MPEG_VIDEO_H264_P_FRAME_QP, 1, 51, 1, 25);
2390 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
2391 V4L2_CID_MPEG_VIDEO_MPEG4_I_FRAME_QP, 1, 31, 1, 2);
2392 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
2393 V4L2_CID_MPEG_VIDEO_MPEG4_P_FRAME_QP, 1, 31, 1, 2);
2394 v4l2_ctrl_new_std_menu(&ctx->ctrls, &coda_ctrl_ops,
2395 V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MODE,
Philipp Zabelc566c782012-08-08 11:59:38 -0300[diff] [blame]2396 V4L2_MPEG_VIDEO_MULTI_SICE_MODE_MAX_BYTES, 0x0,
2397 V4L2_MPEG_VIDEO_MULTI_SLICE_MODE_SINGLE);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2398 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
2399 V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_MB, 1, 0x3fffffff, 1, 1);
Philipp Zabelc566c782012-08-08 11:59:38 -0300[diff] [blame]2400 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
2401 V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_BYTES, 1, 0x3fffffff, 1, 500);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2402 v4l2_ctrl_new_std_menu(&ctx->ctrls, &coda_ctrl_ops,
2403 V4L2_CID_MPEG_VIDEO_HEADER_MODE,
2404 V4L2_MPEG_VIDEO_HEADER_MODE_JOINED_WITH_1ST_FRAME,
2405 (1 << V4L2_MPEG_VIDEO_HEADER_MODE_SEPARATE),
2406 V4L2_MPEG_VIDEO_HEADER_MODE_JOINED_WITH_1ST_FRAME);
2407
2408 if (ctx->ctrls.error) {
2409 v4l2_err(&ctx->dev->v4l2_dev, "control initialization error (%d)",
2410 ctx->ctrls.error);
2411 return -EINVAL;
2412 }
2413
2414 return v4l2_ctrl_handler_setup(&ctx->ctrls);
2415}
2416
2417static int coda_queue_init(void *priv, struct vb2_queue *src_vq,
2418 struct vb2_queue *dst_vq)
2419{
2420 struct coda_ctx *ctx = priv;
2421 int ret;
2422
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2423 src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT;
Philipp Zabel419869c2013-05-23 07:06:30 -0300[diff] [blame]2424 src_vq->io_modes = VB2_DMABUF | VB2_MMAP | VB2_USERPTR;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2425 src_vq->drv_priv = ctx;
2426 src_vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer);
2427 src_vq->ops = &coda_qops;
2428 src_vq->mem_ops = &vb2_dma_contig_memops;
Kamil Debskiccd571c2013-04-24 10:38:24 -0300[diff] [blame]2429 src_vq->timestamp_type = V4L2_BUF_FLAG_TIMESTAMP_COPY;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2430
2431 ret = vb2_queue_init(src_vq);
2432 if (ret)
2433 return ret;
2434
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2435 dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
Philipp Zabel419869c2013-05-23 07:06:30 -0300[diff] [blame]2436 dst_vq->io_modes = VB2_DMABUF | VB2_MMAP | VB2_USERPTR;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2437 dst_vq->drv_priv = ctx;
2438 dst_vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer);
2439 dst_vq->ops = &coda_qops;
2440 dst_vq->mem_ops = &vb2_dma_contig_memops;
Kamil Debskiccd571c2013-04-24 10:38:24 -0300[diff] [blame]2441 dst_vq->timestamp_type = V4L2_BUF_FLAG_TIMESTAMP_COPY;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2442
2443 return vb2_queue_init(dst_vq);
2444}
2445
Philipp Zabele11f3e62012-07-25 09:16:58 -0300[diff] [blame]2446static int coda_next_free_instance(struct coda_dev *dev)
2447{
Philipp Zabel0cddc7e2013-09-30 10:34:44 -0300[diff] [blame]2448 int idx = ffz(dev->instance_mask);
2449
2450 if ((idx < 0) ||
2451 (dev->devtype->product == CODA_DX6 && idx > CODADX6_MAX_INSTANCES))
2452 return -EBUSY;
2453
2454 return idx;
Philipp Zabele11f3e62012-07-25 09:16:58 -0300[diff] [blame]2455}
2456
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2457static int coda_open(struct file *file)
2458{
2459 struct coda_dev *dev = video_drvdata(file);
2460 struct coda_ctx *ctx = NULL;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2461 int ret;
Philipp Zabele11f3e62012-07-25 09:16:58 -0300[diff] [blame]2462 int idx;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2463
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2464 ctx = kzalloc(sizeof *ctx, GFP_KERNEL);
2465 if (!ctx)
2466 return -ENOMEM;
2467
Fabio Estevamf82bc202013-08-21 11:14:16 -0300[diff] [blame]2468 idx = coda_next_free_instance(dev);
Philipp Zabel0cddc7e2013-09-30 10:34:44 -0300[diff] [blame]2469 if (idx < 0) {
2470 ret = idx;
Fabio Estevamf82bc202013-08-21 11:14:16 -0300[diff] [blame]2471 goto err_coda_max;
2472 }
2473 set_bit(idx, &dev->instance_mask);
2474
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2475 INIT_WORK(&ctx->skip_run, coda_skip_run);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2476 v4l2_fh_init(&ctx->fh, video_devdata(file));
2477 file->private_data = &ctx->fh;
2478 v4l2_fh_add(&ctx->fh);
2479 ctx->dev = dev;
Philipp Zabele11f3e62012-07-25 09:16:58 -0300[diff] [blame]2480 ctx->idx = idx;
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]2481 switch (dev->devtype->product) {
2482 case CODA_7541:
2483 ctx->reg_idx = 0;
2484 break;
2485 default:
2486 ctx->reg_idx = idx;
2487 }
Fabio Estevamf82bc202013-08-21 11:14:16 -0300[diff] [blame]2488
Fabio Estevam79830db2013-08-21 11:14:17 -0300[diff] [blame]2489 ret = clk_prepare_enable(dev->clk_per);
2490 if (ret)
2491 goto err_clk_per;
2492
2493 ret = clk_prepare_enable(dev->clk_ahb);
2494 if (ret)
2495 goto err_clk_ahb;
2496
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2497 set_default_params(ctx);
2498 ctx->m2m_ctx = v4l2_m2m_ctx_init(dev->m2m_dev, ctx,
2499 &coda_queue_init);
2500 if (IS_ERR(ctx->m2m_ctx)) {
Philipp Zabel72720ff2013-05-21 10:31:25 -0300[diff] [blame]2501 ret = PTR_ERR(ctx->m2m_ctx);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2502
2503 v4l2_err(&dev->v4l2_dev, "%s return error (%d)\n",
2504 __func__, ret);
Fabio Estevamf82bc202013-08-21 11:14:16 -0300[diff] [blame]2505 goto err_ctx_init;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2506 }
2507 ret = coda_ctrls_setup(ctx);
2508 if (ret) {
2509 v4l2_err(&dev->v4l2_dev, "failed to setup coda controls\n");
Fabio Estevamf82bc202013-08-21 11:14:16 -0300[diff] [blame]2510 goto err_ctrls_setup;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2511 }
2512
2513 ctx->fh.ctrl_handler = &ctx->ctrls;
2514
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]2515 ret = coda_alloc_context_buf(ctx, &ctx->parabuf, CODA_PARA_BUF_SIZE);
2516 if (ret < 0) {
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2517 v4l2_err(&dev->v4l2_dev, "failed to allocate parabuf");
Fabio Estevamf82bc202013-08-21 11:14:16 -0300[diff] [blame]2518 goto err_dma_alloc;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2519 }
2520
Philipp Zabel9082a7c2013-06-21 03:55:31 -0300[diff] [blame]2521 ctx->bitstream.size = CODA_MAX_FRAME_SIZE;
2522 ctx->bitstream.vaddr = dma_alloc_writecombine(&dev->plat_dev->dev,
2523 ctx->bitstream.size, &ctx->bitstream.paddr, GFP_KERNEL);
2524 if (!ctx->bitstream.vaddr) {
2525 v4l2_err(&dev->v4l2_dev, "failed to allocate bitstream ringbuffer");
2526 ret = -ENOMEM;
Fabio Estevamf82bc202013-08-21 11:14:16 -0300[diff] [blame]2527 goto err_dma_writecombine;
Philipp Zabel9082a7c2013-06-21 03:55:31 -0300[diff] [blame]2528 }
2529 kfifo_init(&ctx->bitstream_fifo,
2530 ctx->bitstream.vaddr, ctx->bitstream.size);
2531 mutex_init(&ctx->bitstream_mutex);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2532 mutex_init(&ctx->buffer_mutex);
Philipp Zabel9082a7c2013-06-21 03:55:31 -0300[diff] [blame]2533
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2534 coda_lock(ctx);
Philipp Zabele11f3e62012-07-25 09:16:58 -0300[diff] [blame]2535 list_add(&ctx->list, &dev->instances);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2536 coda_unlock(ctx);
2537
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2538 v4l2_dbg(1, coda_debug, &dev->v4l2_dev, "Created instance %d (%p)\n",
2539 ctx->idx, ctx);
2540
2541 return 0;
2542
Fabio Estevamf82bc202013-08-21 11:14:16 -0300[diff] [blame]2543err_dma_writecombine:
2544 coda_free_context_buffers(ctx);
2545 if (ctx->dev->devtype->product == CODA_DX6)
2546 coda_free_aux_buf(dev, &ctx->workbuf);
2547 coda_free_aux_buf(dev, &ctx->parabuf);
2548err_dma_alloc:
2549 v4l2_ctrl_handler_free(&ctx->ctrls);
2550err_ctrls_setup:
2551 v4l2_m2m_ctx_release(ctx->m2m_ctx);
2552err_ctx_init:
2553 clk_disable_unprepare(dev->clk_ahb);
Fabio Estevam79830db2013-08-21 11:14:17 -0300[diff] [blame]2554err_clk_ahb:
Fabio Estevamf82bc202013-08-21 11:14:16 -0300[diff] [blame]2555 clk_disable_unprepare(dev->clk_per);
Fabio Estevam79830db2013-08-21 11:14:17 -0300[diff] [blame]2556err_clk_per:
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2557 v4l2_fh_del(&ctx->fh);
2558 v4l2_fh_exit(&ctx->fh);
Fabio Estevamf82bc202013-08-21 11:14:16 -0300[diff] [blame]2559 clear_bit(ctx->idx, &dev->instance_mask);
2560err_coda_max:
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2561 kfree(ctx);
2562 return ret;
2563}
2564
2565static int coda_release(struct file *file)
2566{
2567 struct coda_dev *dev = video_drvdata(file);
2568 struct coda_ctx *ctx = fh_to_ctx(file->private_data);
2569
2570 v4l2_dbg(1, coda_debug, &dev->v4l2_dev, "Releasing instance %p\n",
2571 ctx);
2572
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2573 /* If this instance is running, call .job_abort and wait for it to end */
2574 v4l2_m2m_ctx_release(ctx->m2m_ctx);
2575
2576 /* In case the instance was not running, we still need to call SEQ_END */
2577 mutex_lock(&dev->coda_mutex);
2578 v4l2_dbg(1, coda_debug, &dev->v4l2_dev,
2579 "%s: sent command 'SEQ_END' to coda\n", __func__);
2580 if (coda_command_sync(ctx, CODA_COMMAND_SEQ_END)) {
2581 v4l2_err(&dev->v4l2_dev,
2582 "CODA_COMMAND_SEQ_END failed\n");
2583 mutex_unlock(&dev->coda_mutex);
2584 return -ETIMEDOUT;
2585 }
2586 mutex_unlock(&dev->coda_mutex);
2587
2588 coda_free_framebuffers(ctx);
2589
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2590 coda_lock(ctx);
Philipp Zabele11f3e62012-07-25 09:16:58 -0300[diff] [blame]2591 list_del(&ctx->list);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2592 coda_unlock(ctx);
2593
Philipp Zabel9082a7c2013-06-21 03:55:31 -0300[diff] [blame]2594 dma_free_writecombine(&dev->plat_dev->dev, ctx->bitstream.size,
2595 ctx->bitstream.vaddr, ctx->bitstream.paddr);
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]2596 coda_free_context_buffers(ctx);
2597 if (ctx->dev->devtype->product == CODA_DX6)
2598 coda_free_aux_buf(dev, &ctx->workbuf);
2599
2600 coda_free_aux_buf(dev, &ctx->parabuf);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2601 v4l2_ctrl_handler_free(&ctx->ctrls);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2602 clk_disable_unprepare(dev->clk_ahb);
Fabio Estevamf82bc202013-08-21 11:14:16 -0300[diff] [blame]2603 clk_disable_unprepare(dev->clk_per);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2604 v4l2_fh_del(&ctx->fh);
2605 v4l2_fh_exit(&ctx->fh);
Philipp Zabele11f3e62012-07-25 09:16:58 -0300[diff] [blame]2606 clear_bit(ctx->idx, &dev->instance_mask);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2607 kfree(ctx);
2608
2609 return 0;
2610}
2611
2612static unsigned int coda_poll(struct file *file,
2613 struct poll_table_struct *wait)
2614{
2615 struct coda_ctx *ctx = fh_to_ctx(file->private_data);
2616 int ret;
2617
2618 coda_lock(ctx);
2619 ret = v4l2_m2m_poll(file, ctx->m2m_ctx, wait);
2620 coda_unlock(ctx);
2621 return ret;
2622}
2623
2624static int coda_mmap(struct file *file, struct vm_area_struct *vma)
2625{
2626 struct coda_ctx *ctx = fh_to_ctx(file->private_data);
2627
2628 return v4l2_m2m_mmap(file, ctx->m2m_ctx, vma);
2629}
2630
2631static const struct v4l2_file_operations coda_fops = {
2632 .owner = THIS_MODULE,
2633 .open = coda_open,
2634 .release = coda_release,
2635 .poll = coda_poll,
2636 .unlocked_ioctl = video_ioctl2,
2637 .mmap = coda_mmap,
2638};
2639
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2640static void coda_finish_decode(struct coda_ctx *ctx)
2641{
2642 struct coda_dev *dev = ctx->dev;
2643 struct coda_q_data *q_data_src;
2644 struct coda_q_data *q_data_dst;
2645 struct vb2_buffer *dst_buf;
2646 int width, height;
2647 int decoded_idx;
2648 int display_idx;
2649 u32 src_fourcc;
2650 int success;
2651 u32 val;
2652
2653 dst_buf = v4l2_m2m_next_dst_buf(ctx->m2m_ctx);
2654
2655 /* Update kfifo out pointer from coda bitstream read pointer */
2656 coda_kfifo_sync_from_device(ctx);
2657
2658 /*
2659 * in stream-end mode, the read pointer can overshoot the write pointer
2660 * by up to 512 bytes
2661 */
2662 if (ctx->bit_stream_param & CODA_BIT_STREAM_END_FLAG) {
2663 if (coda_get_bitstream_payload(ctx) >= 0x100000 - 512)
2664 kfifo_init(&ctx->bitstream_fifo,
2665 ctx->bitstream.vaddr, ctx->bitstream.size);
2666 }
2667
2668 q_data_src = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
2669 src_fourcc = q_data_src->fourcc;
2670
2671 val = coda_read(dev, CODA_RET_DEC_PIC_SUCCESS);
2672 if (val != 1)
2673 pr_err("DEC_PIC_SUCCESS = %d\n", val);
2674
2675 success = val & 0x1;
2676 if (!success)
2677 v4l2_err(&dev->v4l2_dev, "decode failed\n");
2678
2679 if (src_fourcc == V4L2_PIX_FMT_H264) {
2680 if (val & (1 << 3))
2681 v4l2_err(&dev->v4l2_dev,
2682 "insufficient PS buffer space (%d bytes)\n",
2683 ctx->psbuf.size);
2684 if (val & (1 << 2))
2685 v4l2_err(&dev->v4l2_dev,
2686 "insufficient slice buffer space (%d bytes)\n",
2687 ctx->slicebuf.size);
2688 }
2689
2690 val = coda_read(dev, CODA_RET_DEC_PIC_SIZE);
2691 width = (val >> 16) & 0xffff;
2692 height = val & 0xffff;
2693
2694 q_data_dst = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
2695
2696 val = coda_read(dev, CODA_RET_DEC_PIC_TYPE);
2697 if ((val & 0x7) == 0) {
2698 dst_buf->v4l2_buf.flags |= V4L2_BUF_FLAG_KEYFRAME;
2699 dst_buf->v4l2_buf.flags &= ~V4L2_BUF_FLAG_PFRAME;
2700 } else {
2701 dst_buf->v4l2_buf.flags |= V4L2_BUF_FLAG_PFRAME;
2702 dst_buf->v4l2_buf.flags &= ~V4L2_BUF_FLAG_KEYFRAME;
2703 }
2704
2705 val = coda_read(dev, CODA_RET_DEC_PIC_ERR_MB);
2706 if (val > 0)
2707 v4l2_err(&dev->v4l2_dev,
2708 "errors in %d macroblocks\n", val);
2709
2710 if (dev->devtype->product == CODA_7541) {
2711 val = coda_read(dev, CODA_RET_DEC_PIC_OPTION);
2712 if (val == 0) {
2713 /* not enough bitstream data */
2714 v4l2_dbg(1, coda_debug, &dev->v4l2_dev,
2715 "prescan failed: %d\n", val);
2716 ctx->prescan_failed = true;
2717 return;
2718 }
2719 }
2720
2721 ctx->frm_dis_flg = coda_read(dev, CODA_REG_BIT_FRM_DIS_FLG(ctx->reg_idx));
2722
2723 /*
2724 * The previous display frame was copied out by the rotator,
2725 * now it can be overwritten again
2726 */
2727 if (ctx->display_idx >= 0 &&
2728 ctx->display_idx < ctx->num_internal_frames) {
2729 ctx->frm_dis_flg &= ~(1 << ctx->display_idx);
2730 coda_write(dev, ctx->frm_dis_flg,
2731 CODA_REG_BIT_FRM_DIS_FLG(ctx->reg_idx));
2732 }
2733
2734 /*
2735 * The index of the last decoded frame, not necessarily in
2736 * display order, and the index of the next display frame.
2737 * The latter could have been decoded in a previous run.
2738 */
2739 decoded_idx = coda_read(dev, CODA_RET_DEC_PIC_CUR_IDX);
2740 display_idx = coda_read(dev, CODA_RET_DEC_PIC_FRAME_IDX);
2741
2742 if (decoded_idx == -1) {
2743 /* no frame was decoded, but we might have a display frame */
2744 if (display_idx < 0 && ctx->display_idx < 0)
2745 ctx->prescan_failed = true;
2746 } else if (decoded_idx == -2) {
2747 /* no frame was decoded, we still return the remaining buffers */
2748 } else if (decoded_idx < 0 || decoded_idx >= ctx->num_internal_frames) {
2749 v4l2_err(&dev->v4l2_dev,
2750 "decoded frame index out of range: %d\n", decoded_idx);
2751 }
2752
2753 if (display_idx == -1) {
2754 /*
2755 * no more frames to be decoded, but there could still
2756 * be rotator output to dequeue
2757 */
2758 ctx->prescan_failed = true;
2759 } else if (display_idx == -3) {
2760 /* possibly prescan failure */
2761 } else if (display_idx < 0 || display_idx >= ctx->num_internal_frames) {
2762 v4l2_err(&dev->v4l2_dev,
2763 "presentation frame index out of range: %d\n",
2764 display_idx);
2765 }
2766
2767 /* If a frame was copied out, return it */
2768 if (ctx->display_idx >= 0 &&
2769 ctx->display_idx < ctx->num_internal_frames) {
2770 dst_buf = v4l2_m2m_dst_buf_remove(ctx->m2m_ctx);
2771 dst_buf->v4l2_buf.sequence = ctx->osequence++;
2772
2773 vb2_set_plane_payload(dst_buf, 0, width * height * 3 / 2);
2774
2775 v4l2_m2m_buf_done(dst_buf, success ? VB2_BUF_STATE_DONE :
2776 VB2_BUF_STATE_ERROR);
2777
2778 v4l2_dbg(1, coda_debug, &dev->v4l2_dev,
2779 "job finished: decoding frame (%d) (%s)\n",
2780 dst_buf->v4l2_buf.sequence,
2781 (dst_buf->v4l2_buf.flags & V4L2_BUF_FLAG_KEYFRAME) ?
2782 "KEYFRAME" : "PFRAME");
2783 } else {
2784 v4l2_dbg(1, coda_debug, &dev->v4l2_dev,
2785 "job finished: no frame decoded\n");
2786 }
2787
2788 /* The rotator will copy the current display frame next time */
2789 ctx->display_idx = display_idx;
2790}
2791
2792static void coda_finish_encode(struct coda_ctx *ctx)
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2793{
Philipp Zabelec25f682012-07-20 08:54:29 -0300[diff] [blame]2794 struct vb2_buffer *src_buf, *dst_buf;
Philipp Zabel477c1cf2013-06-21 03:55:33 -0300[diff] [blame]2795 struct coda_dev *dev = ctx->dev;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2796 u32 wr_ptr, start_ptr;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2797
Philipp Zabelec25f682012-07-20 08:54:29 -0300[diff] [blame]2798 src_buf = v4l2_m2m_src_buf_remove(ctx->m2m_ctx);
2799 dst_buf = v4l2_m2m_dst_buf_remove(ctx->m2m_ctx);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2800
2801 /* Get results from the coda */
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2802 start_ptr = coda_read(dev, CODA_CMD_ENC_PIC_BB_START);
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]2803 wr_ptr = coda_read(dev, CODA_REG_BIT_WR_PTR(ctx->reg_idx));
2804
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2805 /* Calculate bytesused field */
2806 if (dst_buf->v4l2_buf.sequence == 0) {
Philipp Zabel366108f2013-06-21 03:55:27 -0300[diff] [blame]2807 vb2_set_plane_payload(dst_buf, 0, wr_ptr - start_ptr +
2808 ctx->vpu_header_size[0] +
2809 ctx->vpu_header_size[1] +
2810 ctx->vpu_header_size[2]);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2811 } else {
Philipp Zabel366108f2013-06-21 03:55:27 -0300[diff] [blame]2812 vb2_set_plane_payload(dst_buf, 0, wr_ptr - start_ptr);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2813 }
2814
2815 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev, "frame size = %u\n",
2816 wr_ptr - start_ptr);
2817
2818 coda_read(dev, CODA_RET_ENC_PIC_SLICE_NUM);
2819 coda_read(dev, CODA_RET_ENC_PIC_FLAG);
2820
Philipp Zabel51660282013-09-30 10:34:49 -0300[diff] [blame]2821 if (coda_read(dev, CODA_RET_ENC_PIC_TYPE) == 0) {
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2822 dst_buf->v4l2_buf.flags |= V4L2_BUF_FLAG_KEYFRAME;
2823 dst_buf->v4l2_buf.flags &= ~V4L2_BUF_FLAG_PFRAME;
2824 } else {
2825 dst_buf->v4l2_buf.flags |= V4L2_BUF_FLAG_PFRAME;
2826 dst_buf->v4l2_buf.flags &= ~V4L2_BUF_FLAG_KEYFRAME;
2827 }
2828
Kamil Debskiccd571c2013-04-24 10:38:24 -0300[diff] [blame]2829 dst_buf->v4l2_buf.timestamp = src_buf->v4l2_buf.timestamp;
2830 dst_buf->v4l2_buf.timecode = src_buf->v4l2_buf.timecode;
2831
Philipp Zabelec25f682012-07-20 08:54:29 -0300[diff] [blame]2832 v4l2_m2m_buf_done(src_buf, VB2_BUF_STATE_DONE);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2833 v4l2_m2m_buf_done(dst_buf, VB2_BUF_STATE_DONE);
2834
2835 ctx->gopcounter--;
2836 if (ctx->gopcounter < 0)
2837 ctx->gopcounter = ctx->params.gop_size - 1;
2838
2839 v4l2_dbg(1, coda_debug, &dev->v4l2_dev,
2840 "job finished: encoding frame (%d) (%s)\n",
2841 dst_buf->v4l2_buf.sequence,
2842 (dst_buf->v4l2_buf.flags & V4L2_BUF_FLAG_KEYFRAME) ?
2843 "KEYFRAME" : "PFRAME");
Philipp Zabel477c1cf2013-06-21 03:55:33 -0300[diff] [blame]2844}
2845
2846static irqreturn_t coda_irq_handler(int irq, void *data)
2847{
2848 struct coda_dev *dev = data;
2849 struct coda_ctx *ctx;
2850
2851 cancel_delayed_work(&dev->timeout);
2852
2853 /* read status register to attend the IRQ */
2854 coda_read(dev, CODA_REG_BIT_INT_STATUS);
2855 coda_write(dev, CODA_REG_BIT_INT_CLEAR_SET,
2856 CODA_REG_BIT_INT_CLEAR);
2857
2858 ctx = v4l2_m2m_get_curr_priv(dev->m2m_dev);
2859 if (ctx == NULL) {
2860 v4l2_err(&dev->v4l2_dev, "Instance released before the end of transaction\n");
2861 mutex_unlock(&dev->coda_mutex);
2862 return IRQ_HANDLED;
2863 }
2864
2865 if (ctx->aborting) {
2866 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
2867 "task has been aborted\n");
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2868 goto out;
Philipp Zabel477c1cf2013-06-21 03:55:33 -0300[diff] [blame]2869 }
2870
2871 if (coda_isbusy(ctx->dev)) {
2872 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
2873 "coda is still busy!!!!\n");
2874 return IRQ_NONE;
2875 }
2876
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2877 if (ctx->inst_type == CODA_INST_DECODER)
2878 coda_finish_decode(ctx);
2879 else
2880 coda_finish_encode(ctx);
2881
2882out:
2883 if (ctx->aborting || (!ctx->streamon_cap && !ctx->streamon_out)) {
2884 v4l2_dbg(1, coda_debug, &dev->v4l2_dev,
2885 "%s: sent command 'SEQ_END' to coda\n", __func__);
2886 if (coda_command_sync(ctx, CODA_COMMAND_SEQ_END)) {
2887 v4l2_err(&dev->v4l2_dev,
2888 "CODA_COMMAND_SEQ_END failed\n");
2889 }
2890
2891 kfifo_init(&ctx->bitstream_fifo,
2892 ctx->bitstream.vaddr, ctx->bitstream.size);
2893
2894 coda_free_framebuffers(ctx);
2895 coda_free_context_buffers(ctx);
2896 }
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2897
Philipp Zabelfcb62822013-05-23 10:43:00 -0300[diff] [blame]2898 mutex_unlock(&dev->coda_mutex);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2899 mutex_unlock(&ctx->buffer_mutex);
Philipp Zabelfcb62822013-05-23 10:43:00 -0300[diff] [blame]2900
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2901 v4l2_m2m_job_finish(ctx->dev->m2m_dev, ctx->m2m_ctx);
2902
2903 return IRQ_HANDLED;
2904}
2905
Philipp Zabel2fb57f02012-07-25 09:22:07 -0300[diff] [blame]2906static void coda_timeout(struct work_struct *work)
2907{
2908 struct coda_ctx *ctx;
2909 struct coda_dev *dev = container_of(to_delayed_work(work),
2910 struct coda_dev, timeout);
2911
Philipp Zabel39cc0292013-05-21 10:32:42 -0300[diff] [blame]2912 dev_err(&dev->plat_dev->dev, "CODA PIC_RUN timeout, stopping all streams\n");
Philipp Zabel2fb57f02012-07-25 09:22:07 -0300[diff] [blame]2913
2914 mutex_lock(&dev->dev_mutex);
2915 list_for_each_entry(ctx, &dev->instances, list) {
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2916 if (mutex_is_locked(&ctx->buffer_mutex))
2917 mutex_unlock(&ctx->buffer_mutex);
Philipp Zabel2fb57f02012-07-25 09:22:07 -0300[diff] [blame]2918 v4l2_m2m_streamoff(NULL, ctx->m2m_ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
2919 v4l2_m2m_streamoff(NULL, ctx->m2m_ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
2920 }
2921 mutex_unlock(&dev->dev_mutex);
Philipp Zabelfcb62822013-05-23 10:43:00 -0300[diff] [blame]2922
2923 mutex_unlock(&dev->coda_mutex);
2924 ctx = v4l2_m2m_get_curr_priv(dev->m2m_dev);
2925 v4l2_m2m_job_finish(ctx->dev->m2m_dev, ctx->m2m_ctx);
Philipp Zabel2fb57f02012-07-25 09:22:07 -0300[diff] [blame]2926}
2927
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2928static u32 coda_supported_firmwares[] = {
2929 CODA_FIRMWARE_VERNUM(CODA_DX6, 2, 2, 5),
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]2930 CODA_FIRMWARE_VERNUM(CODA_7541, 1, 4, 50),
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2931};
2932
2933static bool coda_firmware_supported(u32 vernum)
2934{
2935 int i;
2936
2937 for (i = 0; i < ARRAY_SIZE(coda_supported_firmwares); i++)
2938 if (vernum == coda_supported_firmwares[i])
2939 return true;
2940 return false;
2941}
2942
Philipp Zabel87048bb2012-07-02 07:03:43 -0300[diff] [blame]2943static int coda_hw_init(struct coda_dev *dev)
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2944{
2945 u16 product, major, minor, release;
2946 u32 data;
2947 u16 *p;
Fabio Estevam79830db2013-08-21 11:14:17 -0300[diff] [blame]2948 int i, ret;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2949
Fabio Estevam79830db2013-08-21 11:14:17 -0300[diff] [blame]2950 ret = clk_prepare_enable(dev->clk_per);
2951 if (ret)
2952 return ret;
2953
2954 ret = clk_prepare_enable(dev->clk_ahb);
2955 if (ret)
2956 goto err_clk_ahb;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2957
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2958 /*
2959 * Copy the first CODA_ISRAM_SIZE in the internal SRAM.
Philipp Zabel87048bb2012-07-02 07:03:43 -0300[diff] [blame]2960 * The 16-bit chars in the code buffer are in memory access
2961 * order, re-sort them to CODA order for register download.
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2962 * Data in this SRAM survives a reboot.
2963 */
Philipp Zabel87048bb2012-07-02 07:03:43 -0300[diff] [blame]2964 p = (u16 *)dev->codebuf.vaddr;
2965 if (dev->devtype->product == CODA_DX6) {
2966 for (i = 0; i < (CODA_ISRAM_SIZE / 2); i++) {
2967 data = CODA_DOWN_ADDRESS_SET(i) |
2968 CODA_DOWN_DATA_SET(p[i ^ 1]);
2969 coda_write(dev, data, CODA_REG_BIT_CODE_DOWN);
2970 }
2971 } else {
2972 for (i = 0; i < (CODA_ISRAM_SIZE / 2); i++) {
2973 data = CODA_DOWN_ADDRESS_SET(i) |
2974 CODA_DOWN_DATA_SET(p[round_down(i, 4) +
2975 3 - (i % 4)]);
2976 coda_write(dev, data, CODA_REG_BIT_CODE_DOWN);
2977 }
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2978 }
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2979
Philipp Zabel9acf7692013-05-23 10:42:56 -0300[diff] [blame]2980 /* Clear registers */
2981 for (i = 0; i < 64; i++)
2982 coda_write(dev, 0, CODA_REG_BIT_CODE_BUF_ADDR + i * 4);
2983
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2984 /* Tell the BIT where to find everything it needs */
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]2985 if (dev->devtype->product == CODA_7541) {
2986 coda_write(dev, dev->tempbuf.paddr,
2987 CODA_REG_BIT_TEMP_BUF_ADDR);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2988 coda_write(dev, 0, CODA_REG_BIT_BIT_STREAM_PARAM);
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]2989 } else {
2990 coda_write(dev, dev->workbuf.paddr,
2991 CODA_REG_BIT_WORK_BUF_ADDR);
2992 }
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2993 coda_write(dev, dev->codebuf.paddr,
2994 CODA_REG_BIT_CODE_BUF_ADDR);
2995 coda_write(dev, 0, CODA_REG_BIT_CODE_RUN);
2996
2997 /* Set default values */
2998 switch (dev->devtype->product) {
2999 case CODA_DX6:
3000 coda_write(dev, CODADX6_STREAM_BUF_PIC_FLUSH, CODA_REG_BIT_STREAM_CTRL);
3001 break;
3002 default:
3003 coda_write(dev, CODA7_STREAM_BUF_PIC_FLUSH, CODA_REG_BIT_STREAM_CTRL);
3004 }
3005 coda_write(dev, 0, CODA_REG_BIT_FRAME_MEM_CTRL);
Philipp Zabel10436672012-07-02 09:03:55 -0300[diff] [blame]3006
3007 if (dev->devtype->product != CODA_DX6)
3008 coda_write(dev, 0, CODA7_REG_BIT_AXI_SRAM_USE);
3009
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3010 coda_write(dev, CODA_INT_INTERRUPT_ENABLE,
3011 CODA_REG_BIT_INT_ENABLE);
3012
3013 /* Reset VPU and start processor */
3014 data = coda_read(dev, CODA_REG_BIT_CODE_RESET);
3015 data |= CODA_REG_RESET_ENABLE;
3016 coda_write(dev, data, CODA_REG_BIT_CODE_RESET);
3017 udelay(10);
3018 data &= ~CODA_REG_RESET_ENABLE;
3019 coda_write(dev, data, CODA_REG_BIT_CODE_RESET);
3020 coda_write(dev, CODA_REG_RUN_ENABLE, CODA_REG_BIT_CODE_RUN);
3021
3022 /* Load firmware */
3023 coda_write(dev, 0, CODA_CMD_FIRMWARE_VERNUM);
3024 coda_write(dev, CODA_REG_BIT_BUSY_FLAG, CODA_REG_BIT_BUSY);
3025 coda_write(dev, 0, CODA_REG_BIT_RUN_INDEX);
3026 coda_write(dev, 0, CODA_REG_BIT_RUN_COD_STD);
3027 coda_write(dev, CODA_COMMAND_FIRMWARE_GET, CODA_REG_BIT_RUN_COMMAND);
3028 if (coda_wait_timeout(dev)) {
3029 clk_disable_unprepare(dev->clk_per);
3030 clk_disable_unprepare(dev->clk_ahb);
3031 v4l2_err(&dev->v4l2_dev, "firmware get command error\n");
3032 return -EIO;
3033 }
3034
3035 /* Check we are compatible with the loaded firmware */
3036 data = coda_read(dev, CODA_CMD_FIRMWARE_VERNUM);
3037 product = CODA_FIRMWARE_PRODUCT(data);
3038 major = CODA_FIRMWARE_MAJOR(data);
3039 minor = CODA_FIRMWARE_MINOR(data);
3040 release = CODA_FIRMWARE_RELEASE(data);
3041
3042 clk_disable_unprepare(dev->clk_per);
3043 clk_disable_unprepare(dev->clk_ahb);
3044
3045 if (product != dev->devtype->product) {
3046 v4l2_err(&dev->v4l2_dev, "Wrong firmware. Hw: %s, Fw: %s,"
3047 " Version: %u.%u.%u\n",
3048 coda_product_name(dev->devtype->product),
3049 coda_product_name(product), major, minor, release);
3050 return -EINVAL;
3051 }
3052
3053 v4l2_info(&dev->v4l2_dev, "Initialized %s.\n",
3054 coda_product_name(product));
3055
3056 if (coda_firmware_supported(data)) {
3057 v4l2_info(&dev->v4l2_dev, "Firmware version: %u.%u.%u\n",
3058 major, minor, release);
3059 } else {
3060 v4l2_warn(&dev->v4l2_dev, "Unsupported firmware version: "
3061 "%u.%u.%u\n", major, minor, release);
3062 }
3063
3064 return 0;
Fabio Estevam79830db2013-08-21 11:14:17 -0300[diff] [blame]3065
3066err_clk_ahb:
3067 clk_disable_unprepare(dev->clk_per);
3068 return ret;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3069}
3070
3071static void coda_fw_callback(const struct firmware *fw, void *context)
3072{
3073 struct coda_dev *dev = context;
3074 struct platform_device *pdev = dev->plat_dev;
3075 int ret;
3076
3077 if (!fw) {
3078 v4l2_err(&dev->v4l2_dev, "firmware request failed\n");
3079 return;
3080 }
3081
3082 /* allocate auxiliary per-device code buffer for the BIT processor */
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]3083 ret = coda_alloc_aux_buf(dev, &dev->codebuf, fw->size);
3084 if (ret < 0) {
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3085 dev_err(&pdev->dev, "failed to allocate code buffer\n");
3086 return;
3087 }
3088
Philipp Zabel87048bb2012-07-02 07:03:43 -0300[diff] [blame]3089 /* Copy the whole firmware image to the code buffer */
3090 memcpy(dev->codebuf.vaddr, fw->data, fw->size);
3091 release_firmware(fw);
3092
3093 ret = coda_hw_init(dev);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3094 if (ret) {
3095 v4l2_err(&dev->v4l2_dev, "HW initialization failed\n");
3096 return;
3097 }
3098
3099 dev->vfd.fops = &coda_fops,
3100 dev->vfd.ioctl_ops = &coda_ioctl_ops;
3101 dev->vfd.release = video_device_release_empty,
3102 dev->vfd.lock = &dev->dev_mutex;
3103 dev->vfd.v4l2_dev = &dev->v4l2_dev;
Hans Verkuil954f3402012-09-05 06:05:50 -0300[diff] [blame]3104 dev->vfd.vfl_dir = VFL_DIR_M2M;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3105 snprintf(dev->vfd.name, sizeof(dev->vfd.name), "%s", CODA_NAME);
3106 video_set_drvdata(&dev->vfd, dev);
3107
3108 dev->alloc_ctx = vb2_dma_contig_init_ctx(&pdev->dev);
3109 if (IS_ERR(dev->alloc_ctx)) {
3110 v4l2_err(&dev->v4l2_dev, "Failed to alloc vb2 context\n");
3111 return;
3112 }
3113
3114 dev->m2m_dev = v4l2_m2m_init(&coda_m2m_ops);
3115 if (IS_ERR(dev->m2m_dev)) {
3116 v4l2_err(&dev->v4l2_dev, "Failed to init mem2mem device\n");
3117 goto rel_ctx;
3118 }
3119
3120 ret = video_register_device(&dev->vfd, VFL_TYPE_GRABBER, 0);
3121 if (ret) {
3122 v4l2_err(&dev->v4l2_dev, "Failed to register video device\n");
3123 goto rel_m2m;
3124 }
3125 v4l2_info(&dev->v4l2_dev, "codec registered as /dev/video%d\n",
3126 dev->vfd.num);
3127
3128 return;
3129
3130rel_m2m:
3131 v4l2_m2m_release(dev->m2m_dev);
3132rel_ctx:
3133 vb2_dma_contig_cleanup_ctx(dev->alloc_ctx);
3134}
3135
3136static int coda_firmware_request(struct coda_dev *dev)
3137{
3138 char *fw = dev->devtype->firmware;
3139
3140 dev_dbg(&dev->plat_dev->dev, "requesting firmware '%s' for %s\n", fw,
3141 coda_product_name(dev->devtype->product));
3142
3143 return request_firmware_nowait(THIS_MODULE, true,
3144 fw, &dev->plat_dev->dev, GFP_KERNEL, dev, coda_fw_callback);
3145}
3146
3147enum coda_platform {
3148 CODA_IMX27,
Philipp Zabeldf1e74c2012-07-02 06:07:10 -0300[diff] [blame]3149 CODA_IMX53,
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3150};
3151
Emil Goodec06d8752012-08-14 17:44:42 -0300[diff] [blame]3152static const struct coda_devtype coda_devdata[] = {
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3153 [CODA_IMX27] = {
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]3154 .firmware = "v4l-codadx6-imx27.bin",
3155 .product = CODA_DX6,
3156 .codecs = codadx6_codecs,
3157 .num_codecs = ARRAY_SIZE(codadx6_codecs),
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3158 },
Philipp Zabeldf1e74c2012-07-02 06:07:10 -0300[diff] [blame]3159 [CODA_IMX53] = {
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]3160 .firmware = "v4l-coda7541-imx53.bin",
3161 .product = CODA_7541,
3162 .codecs = coda7_codecs,
3163 .num_codecs = ARRAY_SIZE(coda7_codecs),
Philipp Zabeldf1e74c2012-07-02 06:07:10 -0300[diff] [blame]3164 },
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3165};
3166
3167static struct platform_device_id coda_platform_ids[] = {
3168 { .name = "coda-imx27", .driver_data = CODA_IMX27 },
Fabio Estevam4e44cd02012-10-10 00:07:38 -0300[diff] [blame]3169 { .name = "coda-imx53", .driver_data = CODA_IMX53 },
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3170 { /* sentinel */ }
3171};
3172MODULE_DEVICE_TABLE(platform, coda_platform_ids);
3173
3174#ifdef CONFIG_OF
3175static const struct of_device_id coda_dt_ids[] = {
Alexander Shiyan7b0dd9e2013-06-15 08:09:57 -0300[diff] [blame]3176 { .compatible = "fsl,imx27-vpu", .data = &coda_devdata[CODA_IMX27] },
Philipp Zabeldf1e74c2012-07-02 06:07:10 -0300[diff] [blame]3177 { .compatible = "fsl,imx53-vpu", .data = &coda_devdata[CODA_IMX53] },
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3178 { /* sentinel */ }
3179};
3180MODULE_DEVICE_TABLE(of, coda_dt_ids);
3181#endif
3182
Greg Kroah-Hartman4c62e972012-12-21 13:17:53 -0800[diff] [blame]3183static int coda_probe(struct platform_device *pdev)
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3184{
3185 const struct of_device_id *of_id =
3186 of_match_device(of_match_ptr(coda_dt_ids), &pdev->dev);
3187 const struct platform_device_id *pdev_id;
Philipp Zabel657eee72013-04-29 16:17:14 -0700[diff] [blame]3188 struct coda_platform_data *pdata = pdev->dev.platform_data;
3189 struct device_node *np = pdev->dev.of_node;
3190 struct gen_pool *pool;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3191 struct coda_dev *dev;
3192 struct resource *res;
3193 int ret, irq;
3194
3195 dev = devm_kzalloc(&pdev->dev, sizeof *dev, GFP_KERNEL);
3196 if (!dev) {
3197 dev_err(&pdev->dev, "Not enough memory for %s\n",
3198 CODA_NAME);
3199 return -ENOMEM;
3200 }
3201
3202 spin_lock_init(&dev->irqlock);
Philipp Zabele11f3e62012-07-25 09:16:58 -0300[diff] [blame]3203 INIT_LIST_HEAD(&dev->instances);
Philipp Zabel2fb57f02012-07-25 09:22:07 -0300[diff] [blame]3204 INIT_DELAYED_WORK(&dev->timeout, coda_timeout);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3205
3206 dev->plat_dev = pdev;
3207 dev->clk_per = devm_clk_get(&pdev->dev, "per");
3208 if (IS_ERR(dev->clk_per)) {
3209 dev_err(&pdev->dev, "Could not get per clock\n");
3210 return PTR_ERR(dev->clk_per);
3211 }
3212
3213 dev->clk_ahb = devm_clk_get(&pdev->dev, "ahb");
3214 if (IS_ERR(dev->clk_ahb)) {
3215 dev_err(&pdev->dev, "Could not get ahb clock\n");
3216 return PTR_ERR(dev->clk_ahb);
3217 }
3218
3219 /* Get memory for physical registers */
3220 res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
Philipp Zabel611cbbf2013-05-21 04:19:27 -0300[diff] [blame]3221 dev->regs_base = devm_ioremap_resource(&pdev->dev, res);
3222 if (IS_ERR(dev->regs_base))
3223 return PTR_ERR(dev->regs_base);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3224
3225 /* IRQ */
3226 irq = platform_get_irq(pdev, 0);
3227 if (irq < 0) {
3228 dev_err(&pdev->dev, "failed to get irq resource\n");
3229 return -ENOENT;
3230 }
3231
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]3232 if (devm_request_threaded_irq(&pdev->dev, irq, NULL, coda_irq_handler,
3233 IRQF_ONESHOT, CODA_NAME, dev) < 0) {
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3234 dev_err(&pdev->dev, "failed to request irq\n");
3235 return -ENOENT;
3236 }
3237
Philipp Zabel657eee72013-04-29 16:17:14 -0700[diff] [blame]3238 /* Get IRAM pool from device tree or platform data */
3239 pool = of_get_named_gen_pool(np, "iram", 0);
3240 if (!pool && pdata)
3241 pool = dev_get_gen_pool(pdata->iram_dev);
3242 if (!pool) {
3243 dev_err(&pdev->dev, "iram pool not available\n");
3244 return -ENOMEM;
3245 }
3246 dev->iram_pool = pool;
3247
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3248 ret = v4l2_device_register(&pdev->dev, &dev->v4l2_dev);
3249 if (ret)
3250 return ret;
3251
3252 mutex_init(&dev->dev_mutex);
Philipp Zabelfcb62822013-05-23 10:43:00 -0300[diff] [blame]3253 mutex_init(&dev->coda_mutex);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3254
3255 pdev_id = of_id ? of_id->data : platform_get_device_id(pdev);
3256
3257 if (of_id) {
3258 dev->devtype = of_id->data;
3259 } else if (pdev_id) {
3260 dev->devtype = &coda_devdata[pdev_id->driver_data];
3261 } else {
3262 v4l2_device_unregister(&dev->v4l2_dev);
3263 return -EINVAL;
3264 }
3265
3266 /* allocate auxiliary per-device buffers for the BIT processor */
3267 switch (dev->devtype->product) {
3268 case CODA_DX6:
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]3269 ret = coda_alloc_aux_buf(dev, &dev->workbuf,
3270 CODADX6_WORK_BUF_SIZE);
3271 if (ret < 0) {
3272 dev_err(&pdev->dev, "failed to allocate work buffer\n");
3273 v4l2_device_unregister(&dev->v4l2_dev);
3274 return ret;
3275 }
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3276 break;
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]3277 case CODA_7541:
3278 dev->tempbuf.size = CODA7_TEMP_BUF_SIZE;
3279 break;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3280 }
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]3281 if (dev->tempbuf.size) {
3282 ret = coda_alloc_aux_buf(dev, &dev->tempbuf,
3283 dev->tempbuf.size);
3284 if (ret < 0) {
3285 dev_err(&pdev->dev, "failed to allocate temp buffer\n");
3286 v4l2_device_unregister(&dev->v4l2_dev);
3287 return ret;
3288 }
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3289 }
3290
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]3291 switch (dev->devtype->product) {
3292 case CODA_DX6:
Philipp Zabel657eee72013-04-29 16:17:14 -0700[diff] [blame]3293 dev->iram_size = CODADX6_IRAM_SIZE;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]3294 break;
3295 case CODA_7541:
Philipp Zabel657eee72013-04-29 16:17:14 -0700[diff] [blame]3296 dev->iram_size = CODA7_IRAM_SIZE;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]3297 break;
3298 }
Philipp Zabel657eee72013-04-29 16:17:14 -0700[diff] [blame]3299 dev->iram_vaddr = gen_pool_alloc(dev->iram_pool, dev->iram_size);
3300 if (!dev->iram_vaddr) {
3301 dev_err(&pdev->dev, "unable to alloc iram\n");
3302 return -ENOMEM;
Philipp Zabel10436672012-07-02 09:03:55 -0300[diff] [blame]3303 }
Philipp Zabel657eee72013-04-29 16:17:14 -0700[diff] [blame]3304 dev->iram_paddr = gen_pool_virt_to_phys(dev->iram_pool,
3305 dev->iram_vaddr);
Philipp Zabel10436672012-07-02 09:03:55 -0300[diff] [blame]3306
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3307 platform_set_drvdata(pdev, dev);
3308
3309 return coda_firmware_request(dev);
3310}
3311
3312static int coda_remove(struct platform_device *pdev)
3313{
3314 struct coda_dev *dev = platform_get_drvdata(pdev);
3315
3316 video_unregister_device(&dev->vfd);
3317 if (dev->m2m_dev)
3318 v4l2_m2m_release(dev->m2m_dev);
3319 if (dev->alloc_ctx)
3320 vb2_dma_contig_cleanup_ctx(dev->alloc_ctx);
3321 v4l2_device_unregister(&dev->v4l2_dev);
Philipp Zabel657eee72013-04-29 16:17:14 -0700[diff] [blame]3322 if (dev->iram_vaddr)
3323 gen_pool_free(dev->iram_pool, dev->iram_vaddr, dev->iram_size);
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]3324 coda_free_aux_buf(dev, &dev->codebuf);
3325 coda_free_aux_buf(dev, &dev->tempbuf);
3326 coda_free_aux_buf(dev, &dev->workbuf);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3327 return 0;
3328}
3329
3330static struct platform_driver coda_driver = {
3331 .probe = coda_probe,
Greg Kroah-Hartman4c62e972012-12-21 13:17:53 -0800[diff] [blame]3332 .remove = coda_remove,
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3333 .driver = {
3334 .name = CODA_NAME,
3335 .owner = THIS_MODULE,
3336 .of_match_table = of_match_ptr(coda_dt_ids),
3337 },
3338 .id_table = coda_platform_ids,
3339};
3340
3341module_platform_driver(coda_driver);
3342
3343MODULE_LICENSE("GPL");
3344MODULE_AUTHOR("Javier Martin <javier.martin@vista-silicon.com>");
3345MODULE_DESCRIPTION("Coda multi-standard codec V4L2 driver");