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gerrit-public.fairphone.software / kernel / msm-5.4 / eabed931dfc3f47f78b93fb49013af6da66682af / . / drivers / media / platform / coda.c
blob: 898eb3dbb8da27b30cf37306d3cadca86d18c0f4 [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>
Philipp Zabelf61c0b12014-07-11 06:36:40 -0300[diff] [blame]15#include <linux/debugfs.h>
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]16#include <linux/delay.h>
17#include <linux/firmware.h>
Philipp Zabel657eee72013-04-29 16:17:14 -0700[diff] [blame]18#include <linux/genalloc.h>
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]19#include <linux/interrupt.h>
20#include <linux/io.h>
21#include <linux/irq.h>
Philipp Zabel9082a7c2013-06-21 03:55:31 -0300[diff] [blame]22#include <linux/kfifo.h>
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]23#include <linux/module.h>
24#include <linux/of_device.h>
25#include <linux/platform_device.h>
Philipp Zabel1e172732014-07-11 06:36:23 -0300[diff] [blame]26#include <linux/pm_runtime.h>
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]27#include <linux/slab.h>
28#include <linux/videodev2.h>
29#include <linux/of.h>
Philipp Zabel657eee72013-04-29 16:17:14 -0700[diff] [blame]30#include <linux/platform_data/coda.h>
Philipp Zabel8f452842014-07-11 06:36:35 -0300[diff] [blame]31#include <linux/reset.h>
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]32
33#include <media/v4l2-ctrls.h>
34#include <media/v4l2-device.h>
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]35#include <media/v4l2-event.h>
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]36#include <media/v4l2-ioctl.h>
37#include <media/v4l2-mem2mem.h>
38#include <media/videobuf2-core.h>
39#include <media/videobuf2-dma-contig.h>
40
41#include "coda.h"
42
43#define CODA_NAME "coda"
44
Philipp Zabel0cddc7e2013-09-30 10:34:44 -0300[diff] [blame]45#define CODADX6_MAX_INSTANCES 4
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]46
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]47#define CODA_PARA_BUF_SIZE (10 * 1024)
48#define CODA_ISRAM_SIZE (2048 * 2)
49
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]50#define CODA7_PS_BUF_SIZE 0x28000
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]51#define CODA9_PS_SAVE_SIZE (512 * 1024)
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]52
53#define CODA_MAX_FRAMEBUFFERS 8
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]54
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]55#define CODA_MAX_FRAME_SIZE 0x100000
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]56#define FMO_SLICE_SAVE_BUF_SIZE (32)
57#define CODA_DEFAULT_GAMMA 4096
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]58#define CODA9_DEFAULT_GAMMA 24576 /* 0.75 * 32768 */
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]59
60#define MIN_W 176
61#define MIN_H 144
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]62
63#define S_ALIGN 1 /* multiple of 2 */
64#define W_ALIGN 1 /* multiple of 2 */
65#define H_ALIGN 1 /* multiple of 2 */
66
67#define fh_to_ctx(__fh) container_of(__fh, struct coda_ctx, fh)
68
69static int coda_debug;
Philipp Zabelc4eb1bfc2013-05-21 04:24:16 -0300[diff] [blame]70module_param(coda_debug, int, 0644);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]71MODULE_PARM_DESC(coda_debug, "Debug level (0-1)");
72
73enum {
74 V4L2_M2M_SRC = 0,
75 V4L2_M2M_DST = 1,
76};
77
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]78enum coda_inst_type {
79 CODA_INST_ENCODER,
80 CODA_INST_DECODER,
81};
82
83enum coda_product {
84 CODA_DX6 = 0xf001,
Philipp Zabeldf1e74c2012-07-02 06:07:10 -0300[diff] [blame]85 CODA_7541 = 0xf012,
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]86 CODA_960 = 0xf020,
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;
Philipp Zabel5d73fad2014-07-11 06:36:42 -0300[diff] [blame]108 size_t tempbuf_size;
Philipp Zabel401e9722014-07-11 06:36:43 -0300[diff] [blame]109 size_t iram_size;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]110};
111
112/* Per-queue, driver-specific private data */
113struct coda_q_data {
114 unsigned int width;
115 unsigned int height;
Philipp Zabel2fd6a372014-07-11 06:36:36 -0300[diff] [blame]116 unsigned int bytesperline;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]117 unsigned int sizeimage;
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]118 unsigned int fourcc;
Philipp Zabel52c41672014-07-11 06:36:19 -0300[diff] [blame]119 struct v4l2_rect rect;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]120};
121
122struct coda_aux_buf {
123 void *vaddr;
124 dma_addr_t paddr;
125 u32 size;
Philipp Zabelf61c0b12014-07-11 06:36:40 -0300[diff] [blame]126 struct debugfs_blob_wrapper blob;
127 struct dentry *dentry;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]128};
129
130struct coda_dev {
131 struct v4l2_device v4l2_dev;
132 struct video_device vfd;
133 struct platform_device *plat_dev;
Emil Goodec06d8752012-08-14 17:44:42 -0300[diff] [blame]134 const struct coda_devtype *devtype;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]135
136 void __iomem *regs_base;
137 struct clk *clk_per;
138 struct clk *clk_ahb;
Philipp Zabel8f452842014-07-11 06:36:35 -0300[diff] [blame]139 struct reset_control *rstc;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]140
141 struct coda_aux_buf codebuf;
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]142 struct coda_aux_buf tempbuf;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]143 struct coda_aux_buf workbuf;
Philipp Zabel657eee72013-04-29 16:17:14 -0700[diff] [blame]144 struct gen_pool *iram_pool;
Philipp Zabelb313bcc2014-07-11 06:36:16 -0300[diff] [blame]145 struct coda_aux_buf iram;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]146
147 spinlock_t irqlock;
148 struct mutex dev_mutex;
Philipp Zabelfcb62822013-05-23 10:43:00 -0300[diff] [blame]149 struct mutex coda_mutex;
Philipp Zabel32b6f202014-07-11 06:36:20 -0300[diff] [blame]150 struct workqueue_struct *workqueue;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]151 struct v4l2_m2m_dev *m2m_dev;
152 struct vb2_alloc_ctx *alloc_ctx;
Philipp Zabele11f3e62012-07-25 09:16:58 -0300[diff] [blame]153 struct list_head instances;
154 unsigned long instance_mask;
Philipp Zabelf61c0b12014-07-11 06:36:40 -0300[diff] [blame]155 struct dentry *debugfs_root;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]156};
157
158struct coda_params {
Philipp Zabel8f35c7b2012-07-09 04:25:52 -0300[diff] [blame]159 u8 rot_mode;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]160 u8 h264_intra_qp;
161 u8 h264_inter_qp;
Philipp Zabel1a5567e2014-07-11 06:36:26 -0300[diff] [blame]162 u8 h264_min_qp;
163 u8 h264_max_qp;
Philipp Zabelde23b1d2014-07-11 06:36:27 -0300[diff] [blame]164 u8 h264_deblk_enabled;
165 u8 h264_deblk_alpha;
166 u8 h264_deblk_beta;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]167 u8 mpeg4_intra_qp;
168 u8 mpeg4_inter_qp;
169 u8 gop_size;
Philipp Zabelf38f79d2014-07-11 06:36:28 -0300[diff] [blame]170 int intra_refresh;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]171 int codec_mode;
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]172 int codec_mode_aux;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]173 enum v4l2_mpeg_video_multi_slice_mode slice_mode;
174 u32 framerate;
175 u16 bitrate;
Philipp Zabelc566c782012-08-08 11:59:38 -0300[diff] [blame]176 u32 slice_max_bits;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]177 u32 slice_max_mb;
178};
179
Philipp Zabelc2d22512013-06-21 03:55:28 -0300[diff] [blame]180struct coda_iram_info {
181 u32 axi_sram_use;
182 phys_addr_t buf_bit_use;
183 phys_addr_t buf_ip_ac_dc_use;
184 phys_addr_t buf_dbk_y_use;
185 phys_addr_t buf_dbk_c_use;
186 phys_addr_t buf_ovl_use;
187 phys_addr_t buf_btp_use;
188 phys_addr_t search_ram_paddr;
189 int search_ram_size;
Philipp Zabelb313bcc2014-07-11 06:36:16 -0300[diff] [blame]190 int remaining;
191 phys_addr_t next_paddr;
Philipp Zabelc2d22512013-06-21 03:55:28 -0300[diff] [blame]192};
193
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]194struct gdi_tiled_map {
195 int xy2ca_map[16];
196 int xy2ba_map[16];
197 int xy2ra_map[16];
198 int rbc2axi_map[32];
199 int xy2rbc_config;
200 int map_type;
201#define GDI_LINEAR_FRAME_MAP 0
202};
203
Philipp Zabel846ced92014-07-11 06:36:31 -0300[diff] [blame]204struct coda_timestamp {
205 struct list_head list;
206 u32 sequence;
207 struct v4l2_timecode timecode;
208 struct timeval timestamp;
209};
210
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]211struct coda_ctx {
212 struct coda_dev *dev;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]213 struct mutex buffer_mutex;
Philipp Zabele11f3e62012-07-25 09:16:58 -0300[diff] [blame]214 struct list_head list;
Philipp Zabel32b6f202014-07-11 06:36:20 -0300[diff] [blame]215 struct work_struct pic_run_work;
216 struct work_struct seq_end_work;
217 struct completion completion;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]218 int aborting;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]219 int initialized;
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]220 int streamon_out;
221 int streamon_cap;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]222 u32 isequence;
Philipp Zabel9082a7c2013-06-21 03:55:31 -0300[diff] [blame]223 u32 qsequence;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]224 u32 osequence;
Philipp Zabelcb2c0282014-07-11 06:36:33 -0300[diff] [blame]225 u32 sequence_offset;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]226 struct coda_q_data q_data[2];
227 enum coda_inst_type inst_type;
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]228 struct coda_codec *codec;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]229 enum v4l2_colorspace colorspace;
230 struct coda_params params;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]231 struct v4l2_ctrl_handler ctrls;
232 struct v4l2_fh fh;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]233 int gopcounter;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]234 int runcounter;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]235 char vpu_header[3][64];
236 int vpu_header_size[3];
Philipp Zabel9082a7c2013-06-21 03:55:31 -0300[diff] [blame]237 struct kfifo bitstream_fifo;
238 struct mutex bitstream_mutex;
239 struct coda_aux_buf bitstream;
Philipp Zabel84e23652014-07-11 06:36:34 -0300[diff] [blame]240 bool hold;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]241 struct coda_aux_buf parabuf;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]242 struct coda_aux_buf psbuf;
243 struct coda_aux_buf slicebuf;
Philipp Zabelec25f682012-07-20 08:54:29 -0300[diff] [blame]244 struct coda_aux_buf internal_frames[CODA_MAX_FRAMEBUFFERS];
Philipp Zabel1a8b3812014-07-11 06:36:12 -0300[diff] [blame]245 u32 frame_types[CODA_MAX_FRAMEBUFFERS];
Philipp Zabel846ced92014-07-11 06:36:31 -0300[diff] [blame]246 struct coda_timestamp frame_timestamps[CODA_MAX_FRAMEBUFFERS];
Philipp Zabel410e5e42014-07-11 06:36:32 -0300[diff] [blame]247 u32 frame_errors[CODA_MAX_FRAMEBUFFERS];
Philipp Zabel846ced92014-07-11 06:36:31 -0300[diff] [blame]248 struct list_head timestamp_list;
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]249 struct coda_aux_buf workbuf;
Philipp Zabelec25f682012-07-20 08:54:29 -0300[diff] [blame]250 int num_internal_frames;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]251 int idx;
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]252 int reg_idx;
Philipp Zabelc2d22512013-06-21 03:55:28 -0300[diff] [blame]253 struct coda_iram_info iram_info;
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]254 struct gdi_tiled_map tiled_map;
Philipp Zabel9082a7c2013-06-21 03:55:31 -0300[diff] [blame]255 u32 bit_stream_param;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]256 u32 frm_dis_flg;
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]257 u32 frame_mem_ctrl;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]258 int display_idx;
Philipp Zabelf61c0b12014-07-11 06:36:40 -0300[diff] [blame]259 struct dentry *debugfs_entry;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]260};
261
Javier Martin832fbb52012-10-29 08:34:59 -0300[diff] [blame]262static const u8 coda_filler_nal[14] = { 0x00, 0x00, 0x00, 0x01, 0x0c, 0xff,
263 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x80 };
264static const u8 coda_filler_size[8] = { 0, 7, 14, 13, 12, 11, 10, 9 };
Javier Martin3f3f5c72012-10-29 05:20:29 -0300[diff] [blame]265
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]266static inline void coda_write(struct coda_dev *dev, u32 data, u32 reg)
267{
268 v4l2_dbg(1, coda_debug, &dev->v4l2_dev,
269 "%s: data=0x%x, reg=0x%x\n", __func__, data, reg);
270 writel(data, dev->regs_base + reg);
271}
272
273static inline unsigned int coda_read(struct coda_dev *dev, u32 reg)
274{
275 u32 data;
276 data = readl(dev->regs_base + reg);
277 v4l2_dbg(1, coda_debug, &dev->v4l2_dev,
278 "%s: data=0x%x, reg=0x%x\n", __func__, data, reg);
279 return data;
280}
281
282static inline unsigned long coda_isbusy(struct coda_dev *dev)
283{
284 return coda_read(dev, CODA_REG_BIT_BUSY);
285}
286
287static inline int coda_is_initialized(struct coda_dev *dev)
288{
289 return (coda_read(dev, CODA_REG_BIT_CUR_PC) != 0);
290}
291
292static int coda_wait_timeout(struct coda_dev *dev)
293{
294 unsigned long timeout = jiffies + msecs_to_jiffies(1000);
295
296 while (coda_isbusy(dev)) {
297 if (time_after(jiffies, timeout))
298 return -ETIMEDOUT;
299 }
300 return 0;
301}
302
303static void coda_command_async(struct coda_ctx *ctx, int cmd)
304{
305 struct coda_dev *dev = ctx->dev;
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]306
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]307 if (dev->devtype->product == CODA_960 ||
308 dev->devtype->product == CODA_7541) {
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]309 /* Restore context related registers to CODA */
Philipp Zabel9082a7c2013-06-21 03:55:31 -0300[diff] [blame]310 coda_write(dev, ctx->bit_stream_param,
311 CODA_REG_BIT_BIT_STREAM_PARAM);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]312 coda_write(dev, ctx->frm_dis_flg,
313 CODA_REG_BIT_FRM_DIS_FLG(ctx->reg_idx));
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]314 coda_write(dev, ctx->frame_mem_ctrl,
315 CODA_REG_BIT_FRAME_MEM_CTRL);
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]316 coda_write(dev, ctx->workbuf.paddr, CODA_REG_BIT_WORK_BUF_ADDR);
317 }
318
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]319 if (dev->devtype->product == CODA_960) {
320 coda_write(dev, 1, CODA9_GDI_WPROT_ERR_CLR);
321 coda_write(dev, 0, CODA9_GDI_WPROT_RGN_EN);
322 }
323
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]324 coda_write(dev, CODA_REG_BIT_BUSY_FLAG, CODA_REG_BIT_BUSY);
325
326 coda_write(dev, ctx->idx, CODA_REG_BIT_RUN_INDEX);
327 coda_write(dev, ctx->params.codec_mode, CODA_REG_BIT_RUN_COD_STD);
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]328 coda_write(dev, ctx->params.codec_mode_aux, CODA7_REG_BIT_RUN_AUX_STD);
329
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]330 coda_write(dev, cmd, CODA_REG_BIT_RUN_COMMAND);
331}
332
333static int coda_command_sync(struct coda_ctx *ctx, int cmd)
334{
335 struct coda_dev *dev = ctx->dev;
336
337 coda_command_async(ctx, cmd);
338 return coda_wait_timeout(dev);
339}
340
Philipp Zabel8f452842014-07-11 06:36:35 -0300[diff] [blame]341static int coda_hw_reset(struct coda_ctx *ctx)
342{
343 struct coda_dev *dev = ctx->dev;
344 unsigned long timeout;
345 unsigned int idx;
346 int ret;
347
348 if (!dev->rstc)
349 return -ENOENT;
350
351 idx = coda_read(dev, CODA_REG_BIT_RUN_INDEX);
352
Philipp Zabelae5abd22014-07-18 07:22:35 -0300[diff] [blame]353 if (dev->devtype->product == CODA_960) {
354 timeout = jiffies + msecs_to_jiffies(100);
355 coda_write(dev, 0x11, CODA9_GDI_BUS_CTRL);
356 while (coda_read(dev, CODA9_GDI_BUS_STATUS) != 0x77) {
357 if (time_after(jiffies, timeout))
358 return -ETIME;
359 cpu_relax();
360 }
Philipp Zabel8f452842014-07-11 06:36:35 -0300[diff] [blame]361 }
362
363 ret = reset_control_reset(dev->rstc);
364 if (ret < 0)
365 return ret;
366
Philipp Zabelae5abd22014-07-18 07:22:35 -0300[diff] [blame]367 if (dev->devtype->product == CODA_960)
368 coda_write(dev, 0x00, CODA9_GDI_BUS_CTRL);
Philipp Zabel8f452842014-07-11 06:36:35 -0300[diff] [blame]369 coda_write(dev, CODA_REG_BIT_BUSY_FLAG, CODA_REG_BIT_BUSY);
370 coda_write(dev, CODA_REG_RUN_ENABLE, CODA_REG_BIT_CODE_RUN);
371 ret = coda_wait_timeout(dev);
372 coda_write(dev, idx, CODA_REG_BIT_RUN_INDEX);
373
374 return ret;
375}
376
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]377static struct coda_q_data *get_q_data(struct coda_ctx *ctx,
378 enum v4l2_buf_type type)
379{
380 switch (type) {
381 case V4L2_BUF_TYPE_VIDEO_OUTPUT:
382 return &(ctx->q_data[V4L2_M2M_SRC]);
383 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
384 return &(ctx->q_data[V4L2_M2M_DST]);
385 default:
Philipp Zabelb9736292014-07-11 06:36:18 -0300[diff] [blame]386 return NULL;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]387 }
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]388}
389
390/*
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]391 * Array of all formats supported by any version of Coda:
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]392 */
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]393static struct coda_fmt coda_formats[] = {
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]394 {
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]395 .name = "YUV 4:2:0 Planar, YCbCr",
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]396 .fourcc = V4L2_PIX_FMT_YUV420,
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]397 },
398 {
399 .name = "YUV 4:2:0 Planar, YCrCb",
400 .fourcc = V4L2_PIX_FMT_YVU420,
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]401 },
402 {
403 .name = "H264 Encoded Stream",
404 .fourcc = V4L2_PIX_FMT_H264,
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]405 },
406 {
407 .name = "MPEG4 Encoded Stream",
408 .fourcc = V4L2_PIX_FMT_MPEG4,
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]409 },
410};
411
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]412#define CODA_CODEC(mode, src_fourcc, dst_fourcc, max_w, max_h) \
413 { mode, src_fourcc, dst_fourcc, max_w, max_h }
414
415/*
416 * Arrays of codecs supported by each given version of Coda:
417 * i.MX27 -> codadx6
418 * i.MX5x -> coda7
419 * i.MX6 -> coda960
420 * Use V4L2_PIX_FMT_YUV420 as placeholder for all supported YUV 4:2:0 variants
421 */
422static struct coda_codec codadx6_codecs[] = {
423 CODA_CODEC(CODADX6_MODE_ENCODE_H264, V4L2_PIX_FMT_YUV420, V4L2_PIX_FMT_H264, 720, 576),
424 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]425};
426
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]427static struct coda_codec coda7_codecs[] = {
428 CODA_CODEC(CODA7_MODE_ENCODE_H264, V4L2_PIX_FMT_YUV420, V4L2_PIX_FMT_H264, 1280, 720),
429 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]430 CODA_CODEC(CODA7_MODE_DECODE_H264, V4L2_PIX_FMT_H264, V4L2_PIX_FMT_YUV420, 1920, 1080),
431 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]432};
433
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]434static struct coda_codec coda9_codecs[] = {
435 CODA_CODEC(CODA9_MODE_ENCODE_H264, V4L2_PIX_FMT_YUV420, V4L2_PIX_FMT_H264, 1920, 1080),
436 CODA_CODEC(CODA9_MODE_ENCODE_MP4, V4L2_PIX_FMT_YUV420, V4L2_PIX_FMT_MPEG4, 1920, 1080),
437 CODA_CODEC(CODA9_MODE_DECODE_H264, V4L2_PIX_FMT_H264, V4L2_PIX_FMT_YUV420, 1920, 1080),
438 CODA_CODEC(CODA9_MODE_DECODE_MP4, V4L2_PIX_FMT_MPEG4, V4L2_PIX_FMT_YUV420, 1920, 1080),
439};
440
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]441static bool coda_format_is_yuv(u32 fourcc)
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]442{
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]443 switch (fourcc) {
444 case V4L2_PIX_FMT_YUV420:
445 case V4L2_PIX_FMT_YVU420:
446 return true;
447 default:
448 return false;
449 }
450}
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]451
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]452/*
453 * Normalize all supported YUV 4:2:0 formats to the value used in the codec
454 * tables.
455 */
456static u32 coda_format_normalize_yuv(u32 fourcc)
457{
458 return coda_format_is_yuv(fourcc) ? V4L2_PIX_FMT_YUV420 : fourcc;
459}
460
461static struct coda_codec *coda_find_codec(struct coda_dev *dev, int src_fourcc,
462 int dst_fourcc)
463{
464 struct coda_codec *codecs = dev->devtype->codecs;
465 int num_codecs = dev->devtype->num_codecs;
466 int k;
467
468 src_fourcc = coda_format_normalize_yuv(src_fourcc);
469 dst_fourcc = coda_format_normalize_yuv(dst_fourcc);
470 if (src_fourcc == dst_fourcc)
471 return NULL;
472
473 for (k = 0; k < num_codecs; k++) {
474 if (codecs[k].src_fourcc == src_fourcc &&
475 codecs[k].dst_fourcc == dst_fourcc)
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]476 break;
477 }
478
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]479 if (k == num_codecs)
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]480 return NULL;
481
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]482 return &codecs[k];
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]483}
484
Philipp Zabel57625592013-09-30 10:34:51 -0300[diff] [blame]485static void coda_get_max_dimensions(struct coda_dev *dev,
486 struct coda_codec *codec,
487 int *max_w, int *max_h)
488{
489 struct coda_codec *codecs = dev->devtype->codecs;
490 int num_codecs = dev->devtype->num_codecs;
491 unsigned int w, h;
492 int k;
493
494 if (codec) {
495 w = codec->max_w;
496 h = codec->max_h;
497 } else {
498 for (k = 0, w = 0, h = 0; k < num_codecs; k++) {
499 w = max(w, codecs[k].max_w);
500 h = max(h, codecs[k].max_h);
501 }
502 }
503
504 if (max_w)
505 *max_w = w;
506 if (max_h)
507 *max_h = h;
508}
509
Philipp Zabel927933f2013-09-30 10:34:48 -0300[diff] [blame]510static char *coda_product_name(int product)
511{
512 static char buf[9];
513
514 switch (product) {
515 case CODA_DX6:
516 return "CodaDx6";
517 case CODA_7541:
518 return "CODA7541";
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]519 case CODA_960:
520 return "CODA960";
Philipp Zabel927933f2013-09-30 10:34:48 -0300[diff] [blame]521 default:
522 snprintf(buf, sizeof(buf), "(0x%04x)", product);
523 return buf;
524 }
525}
526
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]527/*
528 * V4L2 ioctl() operations.
529 */
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300[diff] [blame]530static int coda_querycap(struct file *file, void *priv,
531 struct v4l2_capability *cap)
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]532{
Philipp Zabel927933f2013-09-30 10:34:48 -0300[diff] [blame]533 struct coda_ctx *ctx = fh_to_ctx(priv);
534
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]535 strlcpy(cap->driver, CODA_NAME, sizeof(cap->driver));
Philipp Zabel927933f2013-09-30 10:34:48 -0300[diff] [blame]536 strlcpy(cap->card, coda_product_name(ctx->dev->devtype->product),
537 sizeof(cap->card));
Philipp Zabeldad0e1c2013-05-21 04:18:22 -0300[diff] [blame]538 strlcpy(cap->bus_info, "platform:" CODA_NAME, sizeof(cap->bus_info));
Philipp Zabel3898e7a2014-07-18 07:22:37 -0300[diff] [blame]539 cap->device_caps = V4L2_CAP_VIDEO_M2M | V4L2_CAP_STREAMING;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]540 cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS;
541
542 return 0;
543}
544
545static int enum_fmt(void *priv, struct v4l2_fmtdesc *f,
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]546 enum v4l2_buf_type type, int src_fourcc)
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]547{
548 struct coda_ctx *ctx = fh_to_ctx(priv);
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]549 struct coda_codec *codecs = ctx->dev->devtype->codecs;
550 struct coda_fmt *formats = coda_formats;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]551 struct coda_fmt *fmt;
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]552 int num_codecs = ctx->dev->devtype->num_codecs;
553 int num_formats = ARRAY_SIZE(coda_formats);
554 int i, k, num = 0;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]555
556 for (i = 0; i < num_formats; i++) {
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]557 /* Both uncompressed formats are always supported */
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]558 if (coda_format_is_yuv(formats[i].fourcc) &&
559 !coda_format_is_yuv(src_fourcc)) {
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]560 if (num == f->index)
561 break;
562 ++num;
563 continue;
564 }
565 /* Compressed formats may be supported, check the codec list */
566 for (k = 0; k < num_codecs; k++) {
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]567 /* if src_fourcc is set, only consider matching codecs */
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]568 if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE &&
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]569 formats[i].fourcc == codecs[k].dst_fourcc &&
570 (!src_fourcc || src_fourcc == codecs[k].src_fourcc))
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]571 break;
572 if (type == V4L2_BUF_TYPE_VIDEO_OUTPUT &&
573 formats[i].fourcc == codecs[k].src_fourcc)
574 break;
575 }
576 if (k < num_codecs) {
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]577 if (num == f->index)
578 break;
579 ++num;
580 }
581 }
582
583 if (i < num_formats) {
584 fmt = &formats[i];
585 strlcpy(f->description, fmt->name, sizeof(f->description));
586 f->pixelformat = fmt->fourcc;
Philipp Zabelbaf70212013-09-30 10:34:46 -0300[diff] [blame]587 if (!coda_format_is_yuv(fmt->fourcc))
588 f->flags |= V4L2_FMT_FLAG_COMPRESSED;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]589 return 0;
590 }
591
592 /* Format not found */
593 return -EINVAL;
594}
595
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300[diff] [blame]596static int coda_enum_fmt_vid_cap(struct file *file, void *priv,
597 struct v4l2_fmtdesc *f)
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]598{
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]599 struct coda_ctx *ctx = fh_to_ctx(priv);
600 struct vb2_queue *src_vq;
601 struct coda_q_data *q_data_src;
602
603 /* If the source format is already fixed, only list matching formats */
Philipp Zabel14604e32014-07-11 06:36:22 -0300[diff] [blame]604 src_vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]605 if (vb2_is_streaming(src_vq)) {
606 q_data_src = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
607
608 return enum_fmt(priv, f, V4L2_BUF_TYPE_VIDEO_CAPTURE,
609 q_data_src->fourcc);
610 }
611
612 return enum_fmt(priv, f, V4L2_BUF_TYPE_VIDEO_CAPTURE, 0);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]613}
614
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300[diff] [blame]615static int coda_enum_fmt_vid_out(struct file *file, void *priv,
616 struct v4l2_fmtdesc *f)
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]617{
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]618 return enum_fmt(priv, f, V4L2_BUF_TYPE_VIDEO_OUTPUT, 0);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]619}
620
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300[diff] [blame]621static int coda_g_fmt(struct file *file, void *priv,
622 struct v4l2_format *f)
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]623{
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]624 struct coda_q_data *q_data;
625 struct coda_ctx *ctx = fh_to_ctx(priv);
626
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]627 q_data = get_q_data(ctx, f->type);
Philipp Zabelb9736292014-07-11 06:36:18 -0300[diff] [blame]628 if (!q_data)
629 return -EINVAL;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]630
631 f->fmt.pix.field = V4L2_FIELD_NONE;
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]632 f->fmt.pix.pixelformat = q_data->fourcc;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]633 f->fmt.pix.width = q_data->width;
634 f->fmt.pix.height = q_data->height;
Philipp Zabel2fd6a372014-07-11 06:36:36 -0300[diff] [blame]635 f->fmt.pix.bytesperline = q_data->bytesperline;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]636
637 f->fmt.pix.sizeimage = q_data->sizeimage;
638 f->fmt.pix.colorspace = ctx->colorspace;
639
640 return 0;
641}
642
Philipp Zabel57625592013-09-30 10:34:51 -0300[diff] [blame]643static int coda_try_fmt(struct coda_ctx *ctx, struct coda_codec *codec,
644 struct v4l2_format *f)
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]645{
Philipp Zabel57625592013-09-30 10:34:51 -0300[diff] [blame]646 struct coda_dev *dev = ctx->dev;
647 struct coda_q_data *q_data;
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]648 unsigned int max_w, max_h;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]649 enum v4l2_field field;
650
651 field = f->fmt.pix.field;
652 if (field == V4L2_FIELD_ANY)
653 field = V4L2_FIELD_NONE;
654 else if (V4L2_FIELD_NONE != field)
655 return -EINVAL;
656
657 /* V4L2 specification suggests the driver corrects the format struct
658 * if any of the dimensions is unsupported */
659 f->fmt.pix.field = field;
660
Philipp Zabel57625592013-09-30 10:34:51 -0300[diff] [blame]661 coda_get_max_dimensions(dev, codec, &max_w, &max_h);
662 v4l_bound_align_image(&f->fmt.pix.width, MIN_W, max_w, W_ALIGN,
663 &f->fmt.pix.height, MIN_H, max_h, H_ALIGN,
664 S_ALIGN);
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]665
Philipp Zabel57625592013-09-30 10:34:51 -0300[diff] [blame]666 switch (f->fmt.pix.pixelformat) {
667 case V4L2_PIX_FMT_YUV420:
668 case V4L2_PIX_FMT_YVU420:
669 case V4L2_PIX_FMT_H264:
670 case V4L2_PIX_FMT_MPEG4:
671 case V4L2_PIX_FMT_JPEG:
672 break;
673 default:
674 q_data = get_q_data(ctx, f->type);
Philipp Zabelb9736292014-07-11 06:36:18 -0300[diff] [blame]675 if (!q_data)
676 return -EINVAL;
Philipp Zabel57625592013-09-30 10:34:51 -0300[diff] [blame]677 f->fmt.pix.pixelformat = q_data->fourcc;
678 }
679
680 switch (f->fmt.pix.pixelformat) {
681 case V4L2_PIX_FMT_YUV420:
682 case V4L2_PIX_FMT_YVU420:
Philipp Zabel451dfe52014-07-11 06:36:39 -0300[diff] [blame]683 /* Frame stride must be multiple of 8, but 16 for h.264 */
684 f->fmt.pix.bytesperline = round_up(f->fmt.pix.width, 16);
Philipp Zabel47cf0c62013-05-23 10:42:54 -0300[diff] [blame]685 f->fmt.pix.sizeimage = f->fmt.pix.bytesperline *
Philipp Zabel451d43a2012-07-26 09:18:27 -0300[diff] [blame]686 f->fmt.pix.height * 3 / 2;
Philipp Zabel57625592013-09-30 10:34:51 -0300[diff] [blame]687 break;
688 case V4L2_PIX_FMT_H264:
689 case V4L2_PIX_FMT_MPEG4:
690 case V4L2_PIX_FMT_JPEG:
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]691 f->fmt.pix.bytesperline = 0;
692 f->fmt.pix.sizeimage = CODA_MAX_FRAME_SIZE;
Philipp Zabel57625592013-09-30 10:34:51 -0300[diff] [blame]693 break;
694 default:
695 BUG();
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]696 }
697
698 return 0;
699}
700
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300[diff] [blame]701static int coda_try_fmt_vid_cap(struct file *file, void *priv,
702 struct v4l2_format *f)
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]703{
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]704 struct coda_ctx *ctx = fh_to_ctx(priv);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]705 struct coda_codec *codec;
706 struct vb2_queue *src_vq;
707 int ret;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]708
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]709 /*
710 * If the source format is already fixed, try to find a codec that
711 * converts to the given destination format
712 */
Philipp Zabel14604e32014-07-11 06:36:22 -0300[diff] [blame]713 src_vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]714 if (vb2_is_streaming(src_vq)) {
715 struct coda_q_data *q_data_src;
716
717 q_data_src = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
718 codec = coda_find_codec(ctx->dev, q_data_src->fourcc,
719 f->fmt.pix.pixelformat);
720 if (!codec)
721 return -EINVAL;
722 } else {
723 /* Otherwise determine codec by encoded format, if possible */
724 codec = coda_find_codec(ctx->dev, V4L2_PIX_FMT_YUV420,
725 f->fmt.pix.pixelformat);
726 }
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]727
728 f->fmt.pix.colorspace = ctx->colorspace;
729
Philipp Zabel57625592013-09-30 10:34:51 -0300[diff] [blame]730 ret = coda_try_fmt(ctx, codec, f);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]731 if (ret < 0)
732 return ret;
733
734 /* The h.264 decoder only returns complete 16x16 macroblocks */
735 if (codec && codec->src_fourcc == V4L2_PIX_FMT_H264) {
Philipp Zabel1b0ed7b2014-07-11 06:36:37 -0300[diff] [blame]736 f->fmt.pix.width = f->fmt.pix.width;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]737 f->fmt.pix.height = round_up(f->fmt.pix.height, 16);
Philipp Zabel1b0ed7b2014-07-11 06:36:37 -0300[diff] [blame]738 f->fmt.pix.bytesperline = round_up(f->fmt.pix.width, 16);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]739 f->fmt.pix.sizeimage = f->fmt.pix.bytesperline *
740 f->fmt.pix.height * 3 / 2;
741 }
742
743 return 0;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]744}
745
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300[diff] [blame]746static int coda_try_fmt_vid_out(struct file *file, void *priv,
747 struct v4l2_format *f)
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]748{
749 struct coda_ctx *ctx = fh_to_ctx(priv);
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]750 struct coda_codec *codec;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]751
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]752 /* Determine codec by encoded format, returns NULL if raw or invalid */
753 codec = coda_find_codec(ctx->dev, f->fmt.pix.pixelformat,
754 V4L2_PIX_FMT_YUV420);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]755
756 if (!f->fmt.pix.colorspace)
757 f->fmt.pix.colorspace = V4L2_COLORSPACE_REC709;
758
Philipp Zabel57625592013-09-30 10:34:51 -0300[diff] [blame]759 return coda_try_fmt(ctx, codec, f);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]760}
761
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300[diff] [blame]762static int coda_s_fmt(struct coda_ctx *ctx, struct v4l2_format *f)
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]763{
764 struct coda_q_data *q_data;
765 struct vb2_queue *vq;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]766
Philipp Zabel14604e32014-07-11 06:36:22 -0300[diff] [blame]767 vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, f->type);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]768 if (!vq)
769 return -EINVAL;
770
771 q_data = get_q_data(ctx, f->type);
772 if (!q_data)
773 return -EINVAL;
774
775 if (vb2_is_busy(vq)) {
776 v4l2_err(&ctx->dev->v4l2_dev, "%s queue busy\n", __func__);
777 return -EBUSY;
778 }
779
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]780 q_data->fourcc = f->fmt.pix.pixelformat;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]781 q_data->width = f->fmt.pix.width;
782 q_data->height = f->fmt.pix.height;
Philipp Zabel2fd6a372014-07-11 06:36:36 -0300[diff] [blame]783 q_data->bytesperline = f->fmt.pix.bytesperline;
Philipp Zabel451d43a2012-07-26 09:18:27 -0300[diff] [blame]784 q_data->sizeimage = f->fmt.pix.sizeimage;
Philipp Zabel52c41672014-07-11 06:36:19 -0300[diff] [blame]785 q_data->rect.left = 0;
786 q_data->rect.top = 0;
787 q_data->rect.width = f->fmt.pix.width;
788 q_data->rect.height = f->fmt.pix.height;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]789
790 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
791 "Setting format for type %d, wxh: %dx%d, fmt: %d\n",
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]792 f->type, q_data->width, q_data->height, q_data->fourcc);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]793
794 return 0;
795}
796
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300[diff] [blame]797static int coda_s_fmt_vid_cap(struct file *file, void *priv,
798 struct v4l2_format *f)
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]799{
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]800 struct coda_ctx *ctx = fh_to_ctx(priv);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]801 int ret;
802
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300[diff] [blame]803 ret = coda_try_fmt_vid_cap(file, priv, f);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]804 if (ret)
805 return ret;
806
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300[diff] [blame]807 return coda_s_fmt(ctx, f);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]808}
809
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300[diff] [blame]810static int coda_s_fmt_vid_out(struct file *file, void *priv,
811 struct v4l2_format *f)
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]812{
813 struct coda_ctx *ctx = fh_to_ctx(priv);
814 int ret;
815
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300[diff] [blame]816 ret = coda_try_fmt_vid_out(file, priv, f);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]817 if (ret)
818 return ret;
819
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300[diff] [blame]820 ret = coda_s_fmt(ctx, f);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]821 if (ret)
822 ctx->colorspace = f->fmt.pix.colorspace;
823
824 return ret;
825}
826
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300[diff] [blame]827static int coda_qbuf(struct file *file, void *priv,
828 struct v4l2_buffer *buf)
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]829{
830 struct coda_ctx *ctx = fh_to_ctx(priv);
831
Philipp Zabel14604e32014-07-11 06:36:22 -0300[diff] [blame]832 return v4l2_m2m_qbuf(file, ctx->fh.m2m_ctx, buf);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]833}
834
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]835static bool coda_buf_is_end_of_stream(struct coda_ctx *ctx,
836 struct v4l2_buffer *buf)
837{
838 struct vb2_queue *src_vq;
839
Philipp Zabel14604e32014-07-11 06:36:22 -0300[diff] [blame]840 src_vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]841
842 return ((ctx->bit_stream_param & CODA_BIT_STREAM_END_FLAG) &&
843 (buf->sequence == (ctx->qsequence - 1)));
844}
845
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300[diff] [blame]846static int coda_dqbuf(struct file *file, void *priv,
847 struct v4l2_buffer *buf)
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]848{
849 struct coda_ctx *ctx = fh_to_ctx(priv);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]850 int ret;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]851
Philipp Zabel14604e32014-07-11 06:36:22 -0300[diff] [blame]852 ret = v4l2_m2m_dqbuf(file, ctx->fh.m2m_ctx, buf);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]853
854 /* If this is the last capture buffer, emit an end-of-stream event */
855 if (buf->type == V4L2_BUF_TYPE_VIDEO_CAPTURE &&
856 coda_buf_is_end_of_stream(ctx, buf)) {
857 const struct v4l2_event eos_event = {
858 .type = V4L2_EVENT_EOS
859 };
860
861 v4l2_event_queue_fh(&ctx->fh, &eos_event);
862 }
863
864 return ret;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]865}
866
Philipp Zabel52c41672014-07-11 06:36:19 -0300[diff] [blame]867static int coda_g_selection(struct file *file, void *fh,
868 struct v4l2_selection *s)
869{
870 struct coda_ctx *ctx = fh_to_ctx(fh);
871 struct coda_q_data *q_data;
872 struct v4l2_rect r, *rsel;
873
874 q_data = get_q_data(ctx, s->type);
875 if (!q_data)
876 return -EINVAL;
877
878 r.left = 0;
879 r.top = 0;
880 r.width = q_data->width;
881 r.height = q_data->height;
882 rsel = &q_data->rect;
883
884 switch (s->target) {
885 case V4L2_SEL_TGT_CROP_DEFAULT:
886 case V4L2_SEL_TGT_CROP_BOUNDS:
887 rsel = &r;
888 /* fallthrough */
889 case V4L2_SEL_TGT_CROP:
890 if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
891 return -EINVAL;
892 break;
893 case V4L2_SEL_TGT_COMPOSE_BOUNDS:
894 case V4L2_SEL_TGT_COMPOSE_PADDED:
895 rsel = &r;
896 /* fallthrough */
897 case V4L2_SEL_TGT_COMPOSE:
898 case V4L2_SEL_TGT_COMPOSE_DEFAULT:
899 if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
900 return -EINVAL;
901 break;
902 default:
903 return -EINVAL;
904 }
905
906 s->r = *rsel;
907
908 return 0;
909}
910
Philipp Zabel64ba40a2013-09-30 10:34:52 -0300[diff] [blame]911static int coda_try_decoder_cmd(struct file *file, void *fh,
912 struct v4l2_decoder_cmd *dc)
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]913{
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]914 if (dc->cmd != V4L2_DEC_CMD_STOP)
915 return -EINVAL;
916
Philipp Zabel64ba40a2013-09-30 10:34:52 -0300[diff] [blame]917 if (dc->flags & V4L2_DEC_CMD_STOP_TO_BLACK)
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]918 return -EINVAL;
919
Philipp Zabel64ba40a2013-09-30 10:34:52 -0300[diff] [blame]920 if (!(dc->flags & V4L2_DEC_CMD_STOP_IMMEDIATELY) && (dc->stop.pts != 0))
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]921 return -EINVAL;
922
Philipp Zabel64ba40a2013-09-30 10:34:52 -0300[diff] [blame]923 return 0;
924}
925
926static int coda_decoder_cmd(struct file *file, void *fh,
927 struct v4l2_decoder_cmd *dc)
928{
929 struct coda_ctx *ctx = fh_to_ctx(fh);
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]930 struct coda_dev *dev = ctx->dev;
Philipp Zabel64ba40a2013-09-30 10:34:52 -0300[diff] [blame]931 int ret;
932
933 ret = coda_try_decoder_cmd(file, fh, dc);
934 if (ret < 0)
935 return ret;
936
937 /* Ignore decoder stop command silently in encoder context */
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]938 if (ctx->inst_type != CODA_INST_DECODER)
Philipp Zabel64ba40a2013-09-30 10:34:52 -0300[diff] [blame]939 return 0;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]940
941 /* Set the strem-end flag on this context */
942 ctx->bit_stream_param |= CODA_BIT_STREAM_END_FLAG;
943
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]944 if ((dev->devtype->product == CODA_960) &&
945 coda_isbusy(dev) &&
946 (ctx->idx == coda_read(dev, CODA_REG_BIT_RUN_INDEX))) {
947 /* If this context is currently running, update the hardware flag */
948 coda_write(dev, ctx->bit_stream_param, CODA_REG_BIT_BIT_STREAM_PARAM);
949 }
Philipp Zabel84e23652014-07-11 06:36:34 -0300[diff] [blame]950 ctx->hold = false;
Michael Olbrichf3497da2014-07-11 06:36:30 -0300[diff] [blame]951 v4l2_m2m_try_schedule(ctx->fh.m2m_ctx);
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]952
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]953 return 0;
954}
955
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300[diff] [blame]956static int coda_subscribe_event(struct v4l2_fh *fh,
957 const struct v4l2_event_subscription *sub)
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]958{
959 switch (sub->type) {
960 case V4L2_EVENT_EOS:
961 return v4l2_event_subscribe(fh, sub, 0, NULL);
962 default:
963 return v4l2_ctrl_subscribe_event(fh, sub);
964 }
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]965}
966
967static const struct v4l2_ioctl_ops coda_ioctl_ops = {
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300[diff] [blame]968 .vidioc_querycap = coda_querycap,
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]969
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300[diff] [blame]970 .vidioc_enum_fmt_vid_cap = coda_enum_fmt_vid_cap,
971 .vidioc_g_fmt_vid_cap = coda_g_fmt,
972 .vidioc_try_fmt_vid_cap = coda_try_fmt_vid_cap,
973 .vidioc_s_fmt_vid_cap = coda_s_fmt_vid_cap,
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]974
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300[diff] [blame]975 .vidioc_enum_fmt_vid_out = coda_enum_fmt_vid_out,
976 .vidioc_g_fmt_vid_out = coda_g_fmt,
977 .vidioc_try_fmt_vid_out = coda_try_fmt_vid_out,
978 .vidioc_s_fmt_vid_out = coda_s_fmt_vid_out,
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]979
Philipp Zabel152ea1c2014-07-11 06:36:21 -0300[diff] [blame]980 .vidioc_reqbufs = v4l2_m2m_ioctl_reqbufs,
981 .vidioc_querybuf = v4l2_m2m_ioctl_querybuf,
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]982
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300[diff] [blame]983 .vidioc_qbuf = coda_qbuf,
Philipp Zabel152ea1c2014-07-11 06:36:21 -0300[diff] [blame]984 .vidioc_expbuf = v4l2_m2m_ioctl_expbuf,
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300[diff] [blame]985 .vidioc_dqbuf = coda_dqbuf,
Philipp Zabel152ea1c2014-07-11 06:36:21 -0300[diff] [blame]986 .vidioc_create_bufs = v4l2_m2m_ioctl_create_bufs,
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]987
Philipp Zabel152ea1c2014-07-11 06:36:21 -0300[diff] [blame]988 .vidioc_streamon = v4l2_m2m_ioctl_streamon,
989 .vidioc_streamoff = v4l2_m2m_ioctl_streamoff,
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]990
Philipp Zabel52c41672014-07-11 06:36:19 -0300[diff] [blame]991 .vidioc_g_selection = coda_g_selection,
992
Philipp Zabel64ba40a2013-09-30 10:34:52 -0300[diff] [blame]993 .vidioc_try_decoder_cmd = coda_try_decoder_cmd,
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300[diff] [blame]994 .vidioc_decoder_cmd = coda_decoder_cmd,
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]995
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300[diff] [blame]996 .vidioc_subscribe_event = coda_subscribe_event,
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]997 .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]998};
999
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]1000static int coda_start_decoding(struct coda_ctx *ctx);
1001
Philipp Zabel9082a7c2013-06-21 03:55:31 -0300[diff] [blame]1002static inline int coda_get_bitstream_payload(struct coda_ctx *ctx)
1003{
1004 return kfifo_len(&ctx->bitstream_fifo);
1005}
1006
1007static void coda_kfifo_sync_from_device(struct coda_ctx *ctx)
1008{
1009 struct __kfifo *kfifo = &ctx->bitstream_fifo.kfifo;
1010 struct coda_dev *dev = ctx->dev;
1011 u32 rd_ptr;
1012
1013 rd_ptr = coda_read(dev, CODA_REG_BIT_RD_PTR(ctx->reg_idx));
1014 kfifo->out = (kfifo->in & ~kfifo->mask) |
1015 (rd_ptr - ctx->bitstream.paddr);
1016 if (kfifo->out > kfifo->in)
1017 kfifo->out -= kfifo->mask + 1;
1018}
1019
1020static void coda_kfifo_sync_to_device_full(struct coda_ctx *ctx)
1021{
1022 struct __kfifo *kfifo = &ctx->bitstream_fifo.kfifo;
1023 struct coda_dev *dev = ctx->dev;
1024 u32 rd_ptr, wr_ptr;
1025
1026 rd_ptr = ctx->bitstream.paddr + (kfifo->out & kfifo->mask);
1027 coda_write(dev, rd_ptr, CODA_REG_BIT_RD_PTR(ctx->reg_idx));
1028 wr_ptr = ctx->bitstream.paddr + (kfifo->in & kfifo->mask);
1029 coda_write(dev, wr_ptr, CODA_REG_BIT_WR_PTR(ctx->reg_idx));
1030}
1031
1032static void coda_kfifo_sync_to_device_write(struct coda_ctx *ctx)
1033{
1034 struct __kfifo *kfifo = &ctx->bitstream_fifo.kfifo;
1035 struct coda_dev *dev = ctx->dev;
1036 u32 wr_ptr;
1037
1038 wr_ptr = ctx->bitstream.paddr + (kfifo->in & kfifo->mask);
1039 coda_write(dev, wr_ptr, CODA_REG_BIT_WR_PTR(ctx->reg_idx));
1040}
1041
1042static int coda_bitstream_queue(struct coda_ctx *ctx, struct vb2_buffer *src_buf)
1043{
1044 u32 src_size = vb2_get_plane_payload(src_buf, 0);
1045 u32 n;
1046
1047 n = kfifo_in(&ctx->bitstream_fifo, vb2_plane_vaddr(src_buf, 0), src_size);
1048 if (n < src_size)
1049 return -ENOSPC;
1050
1051 dma_sync_single_for_device(&ctx->dev->plat_dev->dev, ctx->bitstream.paddr,
1052 ctx->bitstream.size, DMA_TO_DEVICE);
1053
Philipp Zabel846ced92014-07-11 06:36:31 -0300[diff] [blame]1054 src_buf->v4l2_buf.sequence = ctx->qsequence++;
Philipp Zabel9082a7c2013-06-21 03:55:31 -0300[diff] [blame]1055
1056 return 0;
1057}
1058
1059static bool coda_bitstream_try_queue(struct coda_ctx *ctx,
1060 struct vb2_buffer *src_buf)
1061{
1062 int ret;
1063
1064 if (coda_get_bitstream_payload(ctx) +
1065 vb2_get_plane_payload(src_buf, 0) + 512 >= ctx->bitstream.size)
1066 return false;
1067
1068 if (vb2_plane_vaddr(src_buf, 0) == NULL) {
1069 v4l2_err(&ctx->dev->v4l2_dev, "trying to queue empty buffer\n");
1070 return true;
1071 }
1072
1073 ret = coda_bitstream_queue(ctx, src_buf);
1074 if (ret < 0) {
1075 v4l2_err(&ctx->dev->v4l2_dev, "bitstream buffer overflow\n");
1076 return false;
1077 }
1078 /* Sync read pointer to device */
1079 if (ctx == v4l2_m2m_get_curr_priv(ctx->dev->m2m_dev))
1080 coda_kfifo_sync_to_device_write(ctx);
1081
Philipp Zabel84e23652014-07-11 06:36:34 -0300[diff] [blame]1082 ctx->hold = false;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]1083
Philipp Zabel9082a7c2013-06-21 03:55:31 -0300[diff] [blame]1084 return true;
1085}
1086
1087static void coda_fill_bitstream(struct coda_ctx *ctx)
1088{
1089 struct vb2_buffer *src_buf;
Philipp Zabel846ced92014-07-11 06:36:31 -0300[diff] [blame]1090 struct coda_timestamp *ts;
Philipp Zabel9082a7c2013-06-21 03:55:31 -0300[diff] [blame]1091
Philipp Zabel14604e32014-07-11 06:36:22 -0300[diff] [blame]1092 while (v4l2_m2m_num_src_bufs_ready(ctx->fh.m2m_ctx) > 0) {
1093 src_buf = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx);
Philipp Zabel9082a7c2013-06-21 03:55:31 -0300[diff] [blame]1094
1095 if (coda_bitstream_try_queue(ctx, src_buf)) {
Philipp Zabel846ced92014-07-11 06:36:31 -0300[diff] [blame]1096 /*
1097 * Source buffer is queued in the bitstream ringbuffer;
1098 * queue the timestamp and mark source buffer as done
1099 */
Philipp Zabel14604e32014-07-11 06:36:22 -0300[diff] [blame]1100 src_buf = v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx);
Philipp Zabel846ced92014-07-11 06:36:31 -0300[diff] [blame]1101
1102 ts = kmalloc(sizeof(*ts), GFP_KERNEL);
1103 if (ts) {
1104 ts->sequence = src_buf->v4l2_buf.sequence;
1105 ts->timecode = src_buf->v4l2_buf.timecode;
1106 ts->timestamp = src_buf->v4l2_buf.timestamp;
1107 list_add_tail(&ts->list, &ctx->timestamp_list);
1108 }
1109
Philipp Zabel9082a7c2013-06-21 03:55:31 -0300[diff] [blame]1110 v4l2_m2m_buf_done(src_buf, VB2_BUF_STATE_DONE);
1111 } else {
1112 break;
1113 }
1114 }
1115}
1116
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]1117static void coda_set_gdi_regs(struct coda_ctx *ctx)
1118{
1119 struct gdi_tiled_map *tiled_map = &ctx->tiled_map;
1120 struct coda_dev *dev = ctx->dev;
1121 int i;
1122
1123 for (i = 0; i < 16; i++)
1124 coda_write(dev, tiled_map->xy2ca_map[i],
1125 CODA9_GDI_XY2_CAS_0 + 4 * i);
1126 for (i = 0; i < 4; i++)
1127 coda_write(dev, tiled_map->xy2ba_map[i],
1128 CODA9_GDI_XY2_BA_0 + 4 * i);
1129 for (i = 0; i < 16; i++)
1130 coda_write(dev, tiled_map->xy2ra_map[i],
1131 CODA9_GDI_XY2_RAS_0 + 4 * i);
1132 coda_write(dev, tiled_map->xy2rbc_config, CODA9_GDI_XY2_RBC_CONFIG);
1133 for (i = 0; i < 32; i++)
1134 coda_write(dev, tiled_map->rbc2axi_map[i],
1135 CODA9_GDI_RBC2_AXI_0 + 4 * i);
1136}
1137
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1138/*
1139 * Mem-to-mem operations.
1140 */
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]1141static int coda_prepare_decode(struct coda_ctx *ctx)
1142{
1143 struct vb2_buffer *dst_buf;
1144 struct coda_dev *dev = ctx->dev;
1145 struct coda_q_data *q_data_dst;
1146 u32 stridey, height;
1147 u32 picture_y, picture_cb, picture_cr;
1148
Philipp Zabel14604e32014-07-11 06:36:22 -0300[diff] [blame]1149 dst_buf = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]1150 q_data_dst = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
1151
1152 if (ctx->params.rot_mode & CODA_ROT_90) {
1153 stridey = q_data_dst->height;
1154 height = q_data_dst->width;
1155 } else {
1156 stridey = q_data_dst->width;
1157 height = q_data_dst->height;
1158 }
1159
1160 /* Try to copy source buffer contents into the bitstream ringbuffer */
1161 mutex_lock(&ctx->bitstream_mutex);
1162 coda_fill_bitstream(ctx);
1163 mutex_unlock(&ctx->bitstream_mutex);
1164
1165 if (coda_get_bitstream_payload(ctx) < 512 &&
1166 (!(ctx->bit_stream_param & CODA_BIT_STREAM_END_FLAG))) {
1167 v4l2_dbg(1, coda_debug, &dev->v4l2_dev,
1168 "bitstream payload: %d, skipping\n",
1169 coda_get_bitstream_payload(ctx));
Philipp Zabel14604e32014-07-11 06:36:22 -0300[diff] [blame]1170 v4l2_m2m_job_finish(ctx->dev->m2m_dev, ctx->fh.m2m_ctx);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]1171 return -EAGAIN;
1172 }
1173
1174 /* Run coda_start_decoding (again) if not yet initialized */
1175 if (!ctx->initialized) {
1176 int ret = coda_start_decoding(ctx);
1177 if (ret < 0) {
1178 v4l2_err(&dev->v4l2_dev, "failed to start decoding\n");
Philipp Zabel14604e32014-07-11 06:36:22 -0300[diff] [blame]1179 v4l2_m2m_job_finish(ctx->dev->m2m_dev, ctx->fh.m2m_ctx);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]1180 return -EAGAIN;
1181 } else {
1182 ctx->initialized = 1;
1183 }
1184 }
1185
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]1186 if (dev->devtype->product == CODA_960)
1187 coda_set_gdi_regs(ctx);
1188
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]1189 /* Set rotator output */
1190 picture_y = vb2_dma_contig_plane_dma_addr(dst_buf, 0);
1191 if (q_data_dst->fourcc == V4L2_PIX_FMT_YVU420) {
1192 /* Switch Cr and Cb for YVU420 format */
1193 picture_cr = picture_y + stridey * height;
1194 picture_cb = picture_cr + stridey / 2 * height / 2;
1195 } else {
1196 picture_cb = picture_y + stridey * height;
1197 picture_cr = picture_cb + stridey / 2 * height / 2;
1198 }
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]1199
1200 if (dev->devtype->product == CODA_960) {
1201 /*
1202 * The CODA960 seems to have an internal list of buffers with
1203 * 64 entries that includes the registered frame buffers as
1204 * well as the rotator buffer output.
1205 * ROT_INDEX needs to be < 0x40, but > ctx->num_internal_frames.
1206 */
1207 coda_write(dev, CODA_MAX_FRAMEBUFFERS + dst_buf->v4l2_buf.index,
1208 CODA9_CMD_DEC_PIC_ROT_INDEX);
1209 coda_write(dev, picture_y, CODA9_CMD_DEC_PIC_ROT_ADDR_Y);
1210 coda_write(dev, picture_cb, CODA9_CMD_DEC_PIC_ROT_ADDR_CB);
1211 coda_write(dev, picture_cr, CODA9_CMD_DEC_PIC_ROT_ADDR_CR);
1212 coda_write(dev, stridey, CODA9_CMD_DEC_PIC_ROT_STRIDE);
1213 } else {
1214 coda_write(dev, picture_y, CODA_CMD_DEC_PIC_ROT_ADDR_Y);
1215 coda_write(dev, picture_cb, CODA_CMD_DEC_PIC_ROT_ADDR_CB);
1216 coda_write(dev, picture_cr, CODA_CMD_DEC_PIC_ROT_ADDR_CR);
1217 coda_write(dev, stridey, CODA_CMD_DEC_PIC_ROT_STRIDE);
1218 }
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]1219 coda_write(dev, CODA_ROT_MIR_ENABLE | ctx->params.rot_mode,
1220 CODA_CMD_DEC_PIC_ROT_MODE);
1221
1222 switch (dev->devtype->product) {
1223 case CODA_DX6:
1224 /* TBD */
1225 case CODA_7541:
1226 coda_write(dev, CODA_PRE_SCAN_EN, CODA_CMD_DEC_PIC_OPTION);
1227 break;
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]1228 case CODA_960:
1229 coda_write(dev, (1 << 10), CODA_CMD_DEC_PIC_OPTION); /* 'hardcode to use interrupt disable mode'? */
1230 break;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]1231 }
1232
1233 coda_write(dev, 0, CODA_CMD_DEC_PIC_SKIP_NUM);
1234
1235 coda_write(dev, 0, CODA_CMD_DEC_PIC_BB_START);
1236 coda_write(dev, 0, CODA_CMD_DEC_PIC_START_BYTE);
1237
1238 return 0;
1239}
1240
Philipp Zabel477c1cf2013-06-21 03:55:33 -0300[diff] [blame]1241static void coda_prepare_encode(struct coda_ctx *ctx)
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1242{
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1243 struct coda_q_data *q_data_src, *q_data_dst;
1244 struct vb2_buffer *src_buf, *dst_buf;
1245 struct coda_dev *dev = ctx->dev;
1246 int force_ipicture;
1247 int quant_param = 0;
1248 u32 picture_y, picture_cb, picture_cr;
1249 u32 pic_stream_buffer_addr, pic_stream_buffer_size;
1250 u32 dst_fourcc;
1251
Philipp Zabel14604e32014-07-11 06:36:22 -0300[diff] [blame]1252 src_buf = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx);
1253 dst_buf = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1254 q_data_src = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
1255 q_data_dst = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]1256 dst_fourcc = q_data_dst->fourcc;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1257
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]1258 src_buf->v4l2_buf.sequence = ctx->osequence;
1259 dst_buf->v4l2_buf.sequence = ctx->osequence;
1260 ctx->osequence++;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1261
1262 /*
1263 * Workaround coda firmware BUG that only marks the first
1264 * frame as IDR. This is a problem for some decoders that can't
1265 * recover when a frame is lost.
1266 */
1267 if (src_buf->v4l2_buf.sequence % ctx->params.gop_size) {
1268 src_buf->v4l2_buf.flags |= V4L2_BUF_FLAG_PFRAME;
1269 src_buf->v4l2_buf.flags &= ~V4L2_BUF_FLAG_KEYFRAME;
1270 } else {
1271 src_buf->v4l2_buf.flags |= V4L2_BUF_FLAG_KEYFRAME;
1272 src_buf->v4l2_buf.flags &= ~V4L2_BUF_FLAG_PFRAME;
1273 }
1274
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]1275 if (dev->devtype->product == CODA_960)
1276 coda_set_gdi_regs(ctx);
1277
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1278 /*
1279 * Copy headers at the beginning of the first frame for H.264 only.
1280 * In MPEG4 they are already copied by the coda.
1281 */
1282 if (src_buf->v4l2_buf.sequence == 0) {
1283 pic_stream_buffer_addr =
1284 vb2_dma_contig_plane_dma_addr(dst_buf, 0) +
1285 ctx->vpu_header_size[0] +
1286 ctx->vpu_header_size[1] +
1287 ctx->vpu_header_size[2];
1288 pic_stream_buffer_size = CODA_MAX_FRAME_SIZE -
1289 ctx->vpu_header_size[0] -
1290 ctx->vpu_header_size[1] -
1291 ctx->vpu_header_size[2];
1292 memcpy(vb2_plane_vaddr(dst_buf, 0),
1293 &ctx->vpu_header[0][0], ctx->vpu_header_size[0]);
1294 memcpy(vb2_plane_vaddr(dst_buf, 0) + ctx->vpu_header_size[0],
1295 &ctx->vpu_header[1][0], ctx->vpu_header_size[1]);
1296 memcpy(vb2_plane_vaddr(dst_buf, 0) + ctx->vpu_header_size[0] +
1297 ctx->vpu_header_size[1], &ctx->vpu_header[2][0],
1298 ctx->vpu_header_size[2]);
1299 } else {
1300 pic_stream_buffer_addr =
1301 vb2_dma_contig_plane_dma_addr(dst_buf, 0);
1302 pic_stream_buffer_size = CODA_MAX_FRAME_SIZE;
1303 }
1304
1305 if (src_buf->v4l2_buf.flags & V4L2_BUF_FLAG_KEYFRAME) {
1306 force_ipicture = 1;
1307 switch (dst_fourcc) {
1308 case V4L2_PIX_FMT_H264:
1309 quant_param = ctx->params.h264_intra_qp;
1310 break;
1311 case V4L2_PIX_FMT_MPEG4:
1312 quant_param = ctx->params.mpeg4_intra_qp;
1313 break;
1314 default:
1315 v4l2_warn(&ctx->dev->v4l2_dev,
1316 "cannot set intra qp, fmt not supported\n");
1317 break;
1318 }
1319 } else {
1320 force_ipicture = 0;
1321 switch (dst_fourcc) {
1322 case V4L2_PIX_FMT_H264:
1323 quant_param = ctx->params.h264_inter_qp;
1324 break;
1325 case V4L2_PIX_FMT_MPEG4:
1326 quant_param = ctx->params.mpeg4_inter_qp;
1327 break;
1328 default:
1329 v4l2_warn(&ctx->dev->v4l2_dev,
1330 "cannot set inter qp, fmt not supported\n");
1331 break;
1332 }
1333 }
1334
1335 /* submit */
Philipp Zabel8f35c7b2012-07-09 04:25:52 -0300[diff] [blame]1336 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]1337 coda_write(dev, quant_param, CODA_CMD_ENC_PIC_QS);
1338
1339
1340 picture_y = vb2_dma_contig_plane_dma_addr(src_buf, 0);
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]1341 switch (q_data_src->fourcc) {
1342 case V4L2_PIX_FMT_YVU420:
1343 /* Switch Cb and Cr for YVU420 format */
Philipp Zabel2fd6a372014-07-11 06:36:36 -0300[diff] [blame]1344 picture_cr = picture_y + q_data_src->bytesperline *
1345 q_data_src->height;
1346 picture_cb = picture_cr + q_data_src->bytesperline / 2 *
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]1347 q_data_src->height / 2;
1348 break;
1349 case V4L2_PIX_FMT_YUV420:
1350 default:
Philipp Zabel2fd6a372014-07-11 06:36:36 -0300[diff] [blame]1351 picture_cb = picture_y + q_data_src->bytesperline *
1352 q_data_src->height;
1353 picture_cr = picture_cb + q_data_src->bytesperline / 2 *
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]1354 q_data_src->height / 2;
1355 break;
1356 }
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1357
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]1358 if (dev->devtype->product == CODA_960) {
1359 coda_write(dev, 4/*FIXME: 0*/, CODA9_CMD_ENC_PIC_SRC_INDEX);
1360 coda_write(dev, q_data_src->width, CODA9_CMD_ENC_PIC_SRC_STRIDE);
1361 coda_write(dev, 0, CODA9_CMD_ENC_PIC_SUB_FRAME_SYNC);
1362
1363 coda_write(dev, picture_y, CODA9_CMD_ENC_PIC_SRC_ADDR_Y);
1364 coda_write(dev, picture_cb, CODA9_CMD_ENC_PIC_SRC_ADDR_CB);
1365 coda_write(dev, picture_cr, CODA9_CMD_ENC_PIC_SRC_ADDR_CR);
1366 } else {
1367 coda_write(dev, picture_y, CODA_CMD_ENC_PIC_SRC_ADDR_Y);
1368 coda_write(dev, picture_cb, CODA_CMD_ENC_PIC_SRC_ADDR_CB);
1369 coda_write(dev, picture_cr, CODA_CMD_ENC_PIC_SRC_ADDR_CR);
1370 }
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1371 coda_write(dev, force_ipicture << 1 & 0x2,
1372 CODA_CMD_ENC_PIC_OPTION);
1373
1374 coda_write(dev, pic_stream_buffer_addr, CODA_CMD_ENC_PIC_BB_START);
1375 coda_write(dev, pic_stream_buffer_size / 1024,
1376 CODA_CMD_ENC_PIC_BB_SIZE);
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]1377
1378 if (!ctx->streamon_out) {
1379 /* After streamoff on the output side, set the stream end flag */
1380 ctx->bit_stream_param |= CODA_BIT_STREAM_END_FLAG;
1381 coda_write(dev, ctx->bit_stream_param, CODA_REG_BIT_BIT_STREAM_PARAM);
1382 }
Philipp Zabel477c1cf2013-06-21 03:55:33 -0300[diff] [blame]1383}
1384
1385static void coda_device_run(void *m2m_priv)
1386{
1387 struct coda_ctx *ctx = m2m_priv;
1388 struct coda_dev *dev = ctx->dev;
Philipp Zabel32b6f202014-07-11 06:36:20 -0300[diff] [blame]1389
1390 queue_work(dev->workqueue, &ctx->pic_run_work);
1391}
1392
1393static void coda_free_framebuffers(struct coda_ctx *ctx);
1394static void coda_free_context_buffers(struct coda_ctx *ctx);
1395
1396static void coda_seq_end_work(struct work_struct *work)
1397{
1398 struct coda_ctx *ctx = container_of(work, struct coda_ctx, seq_end_work);
1399 struct coda_dev *dev = ctx->dev;
1400
1401 mutex_lock(&ctx->buffer_mutex);
1402 mutex_lock(&dev->coda_mutex);
1403
1404 v4l2_dbg(1, coda_debug, &dev->v4l2_dev,
1405 "%d: %s: sent command 'SEQ_END' to coda\n", ctx->idx, __func__);
1406 if (coda_command_sync(ctx, CODA_COMMAND_SEQ_END)) {
1407 v4l2_err(&dev->v4l2_dev,
1408 "CODA_COMMAND_SEQ_END failed\n");
1409 }
1410
1411 kfifo_init(&ctx->bitstream_fifo,
1412 ctx->bitstream.vaddr, ctx->bitstream.size);
1413
1414 coda_free_framebuffers(ctx);
1415 coda_free_context_buffers(ctx);
1416
1417 mutex_unlock(&dev->coda_mutex);
1418 mutex_unlock(&ctx->buffer_mutex);
1419}
1420
1421static void coda_finish_decode(struct coda_ctx *ctx);
1422static void coda_finish_encode(struct coda_ctx *ctx);
1423
1424static void coda_pic_run_work(struct work_struct *work)
1425{
1426 struct coda_ctx *ctx = container_of(work, struct coda_ctx, pic_run_work);
1427 struct coda_dev *dev = ctx->dev;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]1428 int ret;
1429
1430 mutex_lock(&ctx->buffer_mutex);
Philipp Zabel477c1cf2013-06-21 03:55:33 -0300[diff] [blame]1431 mutex_lock(&dev->coda_mutex);
1432
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]1433 if (ctx->inst_type == CODA_INST_DECODER) {
1434 ret = coda_prepare_decode(ctx);
1435 if (ret < 0) {
1436 mutex_unlock(&dev->coda_mutex);
1437 mutex_unlock(&ctx->buffer_mutex);
1438 /* job_finish scheduled by prepare_decode */
1439 return;
1440 }
1441 } else {
1442 coda_prepare_encode(ctx);
Philipp Zabel10436672012-07-02 09:03:55 -0300[diff] [blame]1443 }
1444
Philipp Zabelc2d22512013-06-21 03:55:28 -0300[diff] [blame]1445 if (dev->devtype->product != CODA_DX6)
1446 coda_write(dev, ctx->iram_info.axi_sram_use,
1447 CODA7_REG_BIT_AXI_SRAM_USE);
1448
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]1449 if (ctx->inst_type == CODA_INST_DECODER)
1450 coda_kfifo_sync_to_device_full(ctx);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1451 coda_command_async(ctx, CODA_COMMAND_PIC_RUN);
Philipp Zabel32b6f202014-07-11 06:36:20 -0300[diff] [blame]1452
1453 if (!wait_for_completion_timeout(&ctx->completion, msecs_to_jiffies(1000))) {
1454 dev_err(&dev->plat_dev->dev, "CODA PIC_RUN timeout\n");
Philipp Zabel84e23652014-07-11 06:36:34 -0300[diff] [blame]1455
1456 ctx->hold = true;
Philipp Zabel8f452842014-07-11 06:36:35 -0300[diff] [blame]1457
1458 coda_hw_reset(ctx);
Philipp Zabel32b6f202014-07-11 06:36:20 -0300[diff] [blame]1459 } else if (!ctx->aborting) {
1460 if (ctx->inst_type == CODA_INST_DECODER)
1461 coda_finish_decode(ctx);
1462 else
1463 coda_finish_encode(ctx);
1464 }
1465
1466 if (ctx->aborting || (!ctx->streamon_cap && !ctx->streamon_out))
1467 queue_work(dev->workqueue, &ctx->seq_end_work);
1468
1469 mutex_unlock(&dev->coda_mutex);
1470 mutex_unlock(&ctx->buffer_mutex);
1471
Philipp Zabel14604e32014-07-11 06:36:22 -0300[diff] [blame]1472 v4l2_m2m_job_finish(ctx->dev->m2m_dev, ctx->fh.m2m_ctx);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1473}
1474
1475static int coda_job_ready(void *m2m_priv)
1476{
1477 struct coda_ctx *ctx = m2m_priv;
1478
1479 /*
1480 * For both 'P' and 'key' frame cases 1 picture
Philipp Zabel9082a7c2013-06-21 03:55:31 -0300[diff] [blame]1481 * and 1 frame are needed. In the decoder case,
1482 * the compressed frame can be in the bitstream.
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1483 */
Philipp Zabel14604e32014-07-11 06:36:22 -0300[diff] [blame]1484 if (!v4l2_m2m_num_src_bufs_ready(ctx->fh.m2m_ctx) &&
Philipp Zabel9082a7c2013-06-21 03:55:31 -0300[diff] [blame]1485 ctx->inst_type != CODA_INST_DECODER) {
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1486 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
1487 "not ready: not enough video buffers.\n");
1488 return 0;
1489 }
1490
Philipp Zabel14604e32014-07-11 06:36:22 -0300[diff] [blame]1491 if (!v4l2_m2m_num_dst_bufs_ready(ctx->fh.m2m_ctx)) {
Philipp Zabel9082a7c2013-06-21 03:55:31 -0300[diff] [blame]1492 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
1493 "not ready: not enough video capture buffers.\n");
1494 return 0;
1495 }
1496
Philipp Zabel84e23652014-07-11 06:36:34 -0300[diff] [blame]1497 if (ctx->hold ||
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]1498 ((ctx->inst_type == CODA_INST_DECODER) &&
1499 (coda_get_bitstream_payload(ctx) < 512) &&
1500 !(ctx->bit_stream_param & CODA_BIT_STREAM_END_FLAG))) {
1501 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
1502 "%d: not ready: not enough bitstream data.\n",
1503 ctx->idx);
1504 return 0;
1505 }
1506
Philipp Zabel3e748262013-05-23 10:43:01 -0300[diff] [blame]1507 if (ctx->aborting) {
1508 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
1509 "not ready: aborting\n");
1510 return 0;
1511 }
1512
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1513 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
1514 "job ready\n");
1515 return 1;
1516}
1517
1518static void coda_job_abort(void *priv)
1519{
1520 struct coda_ctx *ctx = priv;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1521
1522 ctx->aborting = 1;
1523
1524 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
1525 "Aborting task\n");
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1526}
1527
1528static void coda_lock(void *m2m_priv)
1529{
1530 struct coda_ctx *ctx = m2m_priv;
1531 struct coda_dev *pcdev = ctx->dev;
1532 mutex_lock(&pcdev->dev_mutex);
1533}
1534
1535static void coda_unlock(void *m2m_priv)
1536{
1537 struct coda_ctx *ctx = m2m_priv;
1538 struct coda_dev *pcdev = ctx->dev;
1539 mutex_unlock(&pcdev->dev_mutex);
1540}
1541
1542static struct v4l2_m2m_ops coda_m2m_ops = {
1543 .device_run = coda_device_run,
1544 .job_ready = coda_job_ready,
1545 .job_abort = coda_job_abort,
1546 .lock = coda_lock,
1547 .unlock = coda_unlock,
1548};
1549
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]1550static void coda_set_tiled_map_type(struct coda_ctx *ctx, int tiled_map_type)
1551{
1552 struct gdi_tiled_map *tiled_map = &ctx->tiled_map;
1553 int luma_map, chro_map, i;
1554
1555 memset(tiled_map, 0, sizeof(*tiled_map));
1556
1557 luma_map = 64;
1558 chro_map = 64;
1559 tiled_map->map_type = tiled_map_type;
1560 for (i = 0; i < 16; i++)
1561 tiled_map->xy2ca_map[i] = luma_map << 8 | chro_map;
1562 for (i = 0; i < 4; i++)
1563 tiled_map->xy2ba_map[i] = luma_map << 8 | chro_map;
1564 for (i = 0; i < 16; i++)
1565 tiled_map->xy2ra_map[i] = luma_map << 8 | chro_map;
1566
1567 if (tiled_map_type == GDI_LINEAR_FRAME_MAP) {
1568 tiled_map->xy2rbc_config = 0;
1569 } else {
1570 dev_err(&ctx->dev->plat_dev->dev, "invalid map type: %d\n",
1571 tiled_map_type);
1572 return;
1573 }
1574}
1575
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1576static void set_default_params(struct coda_ctx *ctx)
1577{
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]1578 int max_w;
1579 int max_h;
1580
1581 ctx->codec = &ctx->dev->devtype->codecs[0];
1582 max_w = ctx->codec->max_w;
1583 max_h = ctx->codec->max_h;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1584
1585 ctx->params.codec_mode = CODA_MODE_INVALID;
1586 ctx->colorspace = V4L2_COLORSPACE_REC709;
1587 ctx->params.framerate = 30;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1588 ctx->aborting = 0;
1589
1590 /* Default formats for output and input queues */
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]1591 ctx->q_data[V4L2_M2M_SRC].fourcc = ctx->codec->src_fourcc;
1592 ctx->q_data[V4L2_M2M_DST].fourcc = ctx->codec->dst_fourcc;
1593 ctx->q_data[V4L2_M2M_SRC].width = max_w;
1594 ctx->q_data[V4L2_M2M_SRC].height = max_h;
Philipp Zabel2fd6a372014-07-11 06:36:36 -0300[diff] [blame]1595 ctx->q_data[V4L2_M2M_SRC].bytesperline = max_w;
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]1596 ctx->q_data[V4L2_M2M_SRC].sizeimage = (max_w * max_h * 3) / 2;
1597 ctx->q_data[V4L2_M2M_DST].width = max_w;
1598 ctx->q_data[V4L2_M2M_DST].height = max_h;
Philipp Zabel2fd6a372014-07-11 06:36:36 -0300[diff] [blame]1599 ctx->q_data[V4L2_M2M_DST].bytesperline = 0;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1600 ctx->q_data[V4L2_M2M_DST].sizeimage = CODA_MAX_FRAME_SIZE;
Philipp Zabel52c41672014-07-11 06:36:19 -0300[diff] [blame]1601 ctx->q_data[V4L2_M2M_SRC].rect.width = max_w;
1602 ctx->q_data[V4L2_M2M_SRC].rect.height = max_h;
1603 ctx->q_data[V4L2_M2M_DST].rect.width = max_w;
1604 ctx->q_data[V4L2_M2M_DST].rect.height = max_h;
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]1605
1606 if (ctx->dev->devtype->product == CODA_960)
1607 coda_set_tiled_map_type(ctx, GDI_LINEAR_FRAME_MAP);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1608}
1609
1610/*
1611 * Queue operations
1612 */
1613static int coda_queue_setup(struct vb2_queue *vq,
1614 const struct v4l2_format *fmt,
1615 unsigned int *nbuffers, unsigned int *nplanes,
1616 unsigned int sizes[], void *alloc_ctxs[])
1617{
1618 struct coda_ctx *ctx = vb2_get_drv_priv(vq);
Philipp Zabele34db062012-08-29 08:22:00 -0300[diff] [blame]1619 struct coda_q_data *q_data;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1620 unsigned int size;
1621
Philipp Zabele34db062012-08-29 08:22:00 -0300[diff] [blame]1622 q_data = get_q_data(ctx, vq->type);
1623 size = q_data->sizeimage;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1624
1625 *nplanes = 1;
1626 sizes[0] = size;
1627
1628 alloc_ctxs[0] = ctx->dev->alloc_ctx;
1629
1630 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
1631 "get %d buffer(s) of size %d each.\n", *nbuffers, size);
1632
1633 return 0;
1634}
1635
1636static int coda_buf_prepare(struct vb2_buffer *vb)
1637{
1638 struct coda_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
1639 struct coda_q_data *q_data;
1640
1641 q_data = get_q_data(ctx, vb->vb2_queue->type);
1642
1643 if (vb2_plane_size(vb, 0) < q_data->sizeimage) {
1644 v4l2_warn(&ctx->dev->v4l2_dev,
1645 "%s data will not fit into plane (%lu < %lu)\n",
1646 __func__, vb2_plane_size(vb, 0),
1647 (long)q_data->sizeimage);
1648 return -EINVAL;
1649 }
1650
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1651 return 0;
1652}
1653
1654static void coda_buf_queue(struct vb2_buffer *vb)
1655{
1656 struct coda_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]1657 struct coda_dev *dev = ctx->dev;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]1658 struct coda_q_data *q_data;
1659
1660 q_data = get_q_data(ctx, vb->vb2_queue->type);
1661
1662 /*
1663 * In the decoder case, immediately try to copy the buffer into the
1664 * bitstream ringbuffer and mark it as ready to be dequeued.
1665 */
1666 if (q_data->fourcc == V4L2_PIX_FMT_H264 &&
1667 vb->vb2_queue->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
1668 /*
Jonathan McCrohan39c1cb22013-10-20 21:34:01 -0300[diff] [blame]1669 * For backwards compatibility, queuing an empty buffer marks
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]1670 * the stream end
1671 */
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]1672 if (vb2_get_plane_payload(vb, 0) == 0) {
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]1673 ctx->bit_stream_param |= CODA_BIT_STREAM_END_FLAG;
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]1674 if ((dev->devtype->product == CODA_960) &&
1675 coda_isbusy(dev) &&
1676 (ctx->idx == coda_read(dev, CODA_REG_BIT_RUN_INDEX))) {
1677 /* if this decoder instance is running, set the stream end flag */
1678 coda_write(dev, ctx->bit_stream_param, CODA_REG_BIT_BIT_STREAM_PARAM);
1679 }
1680 }
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]1681 mutex_lock(&ctx->bitstream_mutex);
Philipp Zabel14604e32014-07-11 06:36:22 -0300[diff] [blame]1682 v4l2_m2m_buf_queue(ctx->fh.m2m_ctx, vb);
Michael Olbricheabed932014-07-18 07:22:40 -0300[diff] [blame^]1683 if (vb2_is_streaming(vb->vb2_queue))
1684 coda_fill_bitstream(ctx);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]1685 mutex_unlock(&ctx->bitstream_mutex);
1686 } else {
Philipp Zabel14604e32014-07-11 06:36:22 -0300[diff] [blame]1687 v4l2_m2m_buf_queue(ctx->fh.m2m_ctx, vb);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]1688 }
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1689}
1690
Philipp Zabel86eda902013-05-23 10:42:57 -0300[diff] [blame]1691static void coda_parabuf_write(struct coda_ctx *ctx, int index, u32 value)
1692{
1693 struct coda_dev *dev = ctx->dev;
1694 u32 *p = ctx->parabuf.vaddr;
1695
1696 if (dev->devtype->product == CODA_DX6)
1697 p[index] = value;
1698 else
1699 p[index ^ 1] = value;
1700}
1701
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]1702static int coda_alloc_aux_buf(struct coda_dev *dev,
Philipp Zabelf61c0b12014-07-11 06:36:40 -0300[diff] [blame]1703 struct coda_aux_buf *buf, size_t size,
1704 const char *name, struct dentry *parent)
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]1705{
1706 buf->vaddr = dma_alloc_coherent(&dev->plat_dev->dev, size, &buf->paddr,
1707 GFP_KERNEL);
1708 if (!buf->vaddr)
1709 return -ENOMEM;
1710
1711 buf->size = size;
1712
Philipp Zabelf61c0b12014-07-11 06:36:40 -0300[diff] [blame]1713 if (name && parent) {
1714 buf->blob.data = buf->vaddr;
1715 buf->blob.size = size;
1716 buf->dentry = debugfs_create_blob(name, 0644, parent, &buf->blob);
1717 if (!buf->dentry)
1718 dev_warn(&dev->plat_dev->dev,
1719 "failed to create debugfs entry %s\n", name);
1720 }
1721
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]1722 return 0;
1723}
1724
1725static inline int coda_alloc_context_buf(struct coda_ctx *ctx,
Philipp Zabelf61c0b12014-07-11 06:36:40 -0300[diff] [blame]1726 struct coda_aux_buf *buf, size_t size,
1727 const char *name)
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]1728{
Philipp Zabelf61c0b12014-07-11 06:36:40 -0300[diff] [blame]1729 return coda_alloc_aux_buf(ctx->dev, buf, size, name, ctx->debugfs_entry);
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]1730}
1731
1732static void coda_free_aux_buf(struct coda_dev *dev,
1733 struct coda_aux_buf *buf)
1734{
1735 if (buf->vaddr) {
1736 dma_free_coherent(&dev->plat_dev->dev, buf->size,
1737 buf->vaddr, buf->paddr);
1738 buf->vaddr = NULL;
1739 buf->size = 0;
1740 }
Philipp Zabelf61c0b12014-07-11 06:36:40 -0300[diff] [blame]1741 debugfs_remove(buf->dentry);
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]1742}
1743
1744static void coda_free_framebuffers(struct coda_ctx *ctx)
1745{
1746 int i;
1747
1748 for (i = 0; i < CODA_MAX_FRAMEBUFFERS; i++)
1749 coda_free_aux_buf(ctx->dev, &ctx->internal_frames[i]);
1750}
1751
Philipp Zabelec25f682012-07-20 08:54:29 -0300[diff] [blame]1752static int coda_alloc_framebuffers(struct coda_ctx *ctx, struct coda_q_data *q_data, u32 fourcc)
1753{
1754 struct coda_dev *dev = ctx->dev;
Philipp Zabel7c3df782014-07-11 06:36:38 -0300[diff] [blame]1755 int width, height;
Philipp Zabel86eda902013-05-23 10:42:57 -0300[diff] [blame]1756 dma_addr_t paddr;
1757 int ysize;
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]1758 int ret;
Philipp Zabelec25f682012-07-20 08:54:29 -0300[diff] [blame]1759 int i;
1760
Philipp Zabel7c3df782014-07-11 06:36:38 -0300[diff] [blame]1761 if (ctx->codec && (ctx->codec->src_fourcc == V4L2_PIX_FMT_H264 ||
1762 ctx->codec->dst_fourcc == V4L2_PIX_FMT_H264)) {
1763 width = round_up(q_data->width, 16);
1764 height = round_up(q_data->height, 16);
1765 } else {
1766 width = round_up(q_data->width, 8);
1767 height = q_data->height;
1768 }
1769 ysize = width * height;
Philipp Zabel86eda902013-05-23 10:42:57 -0300[diff] [blame]1770
Philipp Zabelec25f682012-07-20 08:54:29 -0300[diff] [blame]1771 /* Allocate frame buffers */
Philipp Zabelec25f682012-07-20 08:54:29 -0300[diff] [blame]1772 for (i = 0; i < ctx->num_internal_frames; i++) {
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]1773 size_t size;
Philipp Zabelf61c0b12014-07-11 06:36:40 -0300[diff] [blame]1774 char *name;
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]1775
Philipp Zabelaed14b02014-07-11 06:36:15 -0300[diff] [blame]1776 size = ysize + ysize / 2;
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]1777 if (ctx->codec->src_fourcc == V4L2_PIX_FMT_H264 &&
1778 dev->devtype->product != CODA_DX6)
Philipp Zabelaed14b02014-07-11 06:36:15 -0300[diff] [blame]1779 size += ysize / 4;
Philipp Zabelf61c0b12014-07-11 06:36:40 -0300[diff] [blame]1780 name = kasprintf(GFP_KERNEL, "fb%d", i);
1781 ret = coda_alloc_context_buf(ctx, &ctx->internal_frames[i],
1782 size, name);
1783 kfree(name);
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]1784 if (ret < 0) {
Philipp Zabelec25f682012-07-20 08:54:29 -0300[diff] [blame]1785 coda_free_framebuffers(ctx);
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]1786 return ret;
Philipp Zabelec25f682012-07-20 08:54:29 -0300[diff] [blame]1787 }
1788 }
1789
1790 /* Register frame buffers in the parameter buffer */
Philipp Zabel86eda902013-05-23 10:42:57 -0300[diff] [blame]1791 for (i = 0; i < ctx->num_internal_frames; i++) {
1792 paddr = ctx->internal_frames[i].paddr;
1793 coda_parabuf_write(ctx, i * 3 + 0, paddr); /* Y */
1794 coda_parabuf_write(ctx, i * 3 + 1, paddr + ysize); /* Cb */
1795 coda_parabuf_write(ctx, i * 3 + 2, paddr + ysize + ysize/4); /* Cr */
Philipp Zabelec25f682012-07-20 08:54:29 -0300[diff] [blame]1796
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]1797 /* mvcol buffer for h.264 */
1798 if (ctx->codec->src_fourcc == V4L2_PIX_FMT_H264 &&
1799 dev->devtype->product != CODA_DX6)
1800 coda_parabuf_write(ctx, 96 + i,
1801 ctx->internal_frames[i].paddr +
1802 ysize + ysize/4 + ysize/4);
Philipp Zabelec25f682012-07-20 08:54:29 -0300[diff] [blame]1803 }
1804
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]1805 /* mvcol buffer for mpeg4 */
1806 if ((dev->devtype->product != CODA_DX6) &&
1807 (ctx->codec->src_fourcc == V4L2_PIX_FMT_MPEG4))
1808 coda_parabuf_write(ctx, 97, ctx->internal_frames[i].paddr +
1809 ysize + ysize/4 + ysize/4);
1810
Philipp Zabelec25f682012-07-20 08:54:29 -0300[diff] [blame]1811 return 0;
1812}
1813
Javier Martin3f3f5c72012-10-29 05:20:29 -0300[diff] [blame]1814static int coda_h264_padding(int size, char *p)
1815{
Javier Martin3f3f5c72012-10-29 05:20:29 -0300[diff] [blame]1816 int nal_size;
1817 int diff;
1818
Javier Martin832fbb52012-10-29 08:34:59 -0300[diff] [blame]1819 diff = size - (size & ~0x7);
Javier Martin3f3f5c72012-10-29 05:20:29 -0300[diff] [blame]1820 if (diff == 0)
1821 return 0;
1822
Javier Martin832fbb52012-10-29 08:34:59 -0300[diff] [blame]1823 nal_size = coda_filler_size[diff];
Javier Martin3f3f5c72012-10-29 05:20:29 -0300[diff] [blame]1824 memcpy(p, coda_filler_nal, nal_size);
1825
1826 /* Add rbsp stop bit and trailing at the end */
1827 *(p + nal_size - 1) = 0x80;
1828
1829 return nal_size;
1830}
1831
Philipp Zabelb313bcc2014-07-11 06:36:16 -0300[diff] [blame]1832static phys_addr_t coda_iram_alloc(struct coda_iram_info *iram, size_t size)
1833{
1834 phys_addr_t ret;
1835
1836 size = round_up(size, 1024);
1837 if (size > iram->remaining)
1838 return 0;
1839 iram->remaining -= size;
1840
1841 ret = iram->next_paddr;
1842 iram->next_paddr += size;
1843
1844 return ret;
1845}
1846
Philipp Zabelc2d22512013-06-21 03:55:28 -0300[diff] [blame]1847static void coda_setup_iram(struct coda_ctx *ctx)
1848{
1849 struct coda_iram_info *iram_info = &ctx->iram_info;
1850 struct coda_dev *dev = ctx->dev;
Philipp Zabelc2d22512013-06-21 03:55:28 -0300[diff] [blame]1851 int mb_width;
Philipp Zabelb313bcc2014-07-11 06:36:16 -0300[diff] [blame]1852 int dbk_bits;
1853 int bit_bits;
1854 int ip_bits;
Philipp Zabelc2d22512013-06-21 03:55:28 -0300[diff] [blame]1855
1856 memset(iram_info, 0, sizeof(*iram_info));
Philipp Zabelb313bcc2014-07-11 06:36:16 -0300[diff] [blame]1857 iram_info->next_paddr = dev->iram.paddr;
1858 iram_info->remaining = dev->iram.size;
Philipp Zabelc2d22512013-06-21 03:55:28 -0300[diff] [blame]1859
Philipp Zabelb313bcc2014-07-11 06:36:16 -0300[diff] [blame]1860 switch (dev->devtype->product) {
1861 case CODA_7541:
1862 dbk_bits = CODA7_USE_HOST_DBK_ENABLE | CODA7_USE_DBK_ENABLE;
1863 bit_bits = CODA7_USE_HOST_BIT_ENABLE | CODA7_USE_BIT_ENABLE;
1864 ip_bits = CODA7_USE_HOST_IP_ENABLE | CODA7_USE_IP_ENABLE;
1865 break;
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]1866 case CODA_960:
1867 dbk_bits = CODA9_USE_HOST_DBK_ENABLE | CODA9_USE_DBK_ENABLE;
1868 bit_bits = CODA9_USE_HOST_BIT_ENABLE | CODA7_USE_BIT_ENABLE;
1869 ip_bits = CODA9_USE_HOST_IP_ENABLE | CODA7_USE_IP_ENABLE;
1870 break;
Philipp Zabelb313bcc2014-07-11 06:36:16 -0300[diff] [blame]1871 default: /* CODA_DX6 */
Philipp Zabelc2d22512013-06-21 03:55:28 -0300[diff] [blame]1872 return;
Philipp Zabelb313bcc2014-07-11 06:36:16 -0300[diff] [blame]1873 }
Philipp Zabelc2d22512013-06-21 03:55:28 -0300[diff] [blame]1874
1875 if (ctx->inst_type == CODA_INST_ENCODER) {
1876 struct coda_q_data *q_data_src;
1877
1878 q_data_src = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
1879 mb_width = DIV_ROUND_UP(q_data_src->width, 16);
1880
1881 /* Prioritize in case IRAM is too small for everything */
Philipp Zabelb313bcc2014-07-11 06:36:16 -0300[diff] [blame]1882 if (dev->devtype->product == CODA_7541) {
1883 iram_info->search_ram_size = round_up(mb_width * 16 *
1884 36 + 2048, 1024);
1885 iram_info->search_ram_paddr = coda_iram_alloc(iram_info,
1886 iram_info->search_ram_size);
1887 if (!iram_info->search_ram_paddr) {
1888 pr_err("IRAM is smaller than the search ram size\n");
1889 goto out;
1890 }
1891 iram_info->axi_sram_use |= CODA7_USE_HOST_ME_ENABLE |
1892 CODA7_USE_ME_ENABLE;
Philipp Zabelc2d22512013-06-21 03:55:28 -0300[diff] [blame]1893 }
1894
1895 /* Only H.264BP and H.263P3 are considered */
Philipp Zabelb313bcc2014-07-11 06:36:16 -0300[diff] [blame]1896 iram_info->buf_dbk_y_use = coda_iram_alloc(iram_info, 64 * mb_width);
1897 iram_info->buf_dbk_c_use = coda_iram_alloc(iram_info, 64 * mb_width);
1898 if (!iram_info->buf_dbk_c_use)
Philipp Zabelc2d22512013-06-21 03:55:28 -0300[diff] [blame]1899 goto out;
Philipp Zabelb313bcc2014-07-11 06:36:16 -0300[diff] [blame]1900 iram_info->axi_sram_use |= dbk_bits;
Philipp Zabelc2d22512013-06-21 03:55:28 -0300[diff] [blame]1901
Philipp Zabelb313bcc2014-07-11 06:36:16 -0300[diff] [blame]1902 iram_info->buf_bit_use = coda_iram_alloc(iram_info, 128 * mb_width);
1903 if (!iram_info->buf_bit_use)
Philipp Zabelc2d22512013-06-21 03:55:28 -0300[diff] [blame]1904 goto out;
Philipp Zabelb313bcc2014-07-11 06:36:16 -0300[diff] [blame]1905 iram_info->axi_sram_use |= bit_bits;
Philipp Zabelc2d22512013-06-21 03:55:28 -0300[diff] [blame]1906
Philipp Zabelb313bcc2014-07-11 06:36:16 -0300[diff] [blame]1907 iram_info->buf_ip_ac_dc_use = coda_iram_alloc(iram_info, 128 * mb_width);
1908 if (!iram_info->buf_ip_ac_dc_use)
1909 goto out;
1910 iram_info->axi_sram_use |= ip_bits;
Philipp Zabelc2d22512013-06-21 03:55:28 -0300[diff] [blame]1911
Philipp Zabel8358e762013-06-21 03:55:32 -0300[diff] [blame]1912 /* OVL and BTP disabled for encoder */
1913 } else if (ctx->inst_type == CODA_INST_DECODER) {
1914 struct coda_q_data *q_data_dst;
Philipp Zabel8358e762013-06-21 03:55:32 -0300[diff] [blame]1915
1916 q_data_dst = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
1917 mb_width = DIV_ROUND_UP(q_data_dst->width, 16);
Philipp Zabel8358e762013-06-21 03:55:32 -0300[diff] [blame]1918
Philipp Zabelb313bcc2014-07-11 06:36:16 -0300[diff] [blame]1919 iram_info->buf_dbk_y_use = coda_iram_alloc(iram_info, 128 * mb_width);
1920 iram_info->buf_dbk_c_use = coda_iram_alloc(iram_info, 128 * mb_width);
1921 if (!iram_info->buf_dbk_c_use)
Philipp Zabel8358e762013-06-21 03:55:32 -0300[diff] [blame]1922 goto out;
Philipp Zabelb313bcc2014-07-11 06:36:16 -0300[diff] [blame]1923 iram_info->axi_sram_use |= dbk_bits;
Philipp Zabel8358e762013-06-21 03:55:32 -0300[diff] [blame]1924
Philipp Zabelb313bcc2014-07-11 06:36:16 -0300[diff] [blame]1925 iram_info->buf_bit_use = coda_iram_alloc(iram_info, 128 * mb_width);
1926 if (!iram_info->buf_bit_use)
Philipp Zabel8358e762013-06-21 03:55:32 -0300[diff] [blame]1927 goto out;
Philipp Zabelb313bcc2014-07-11 06:36:16 -0300[diff] [blame]1928 iram_info->axi_sram_use |= bit_bits;
Philipp Zabel8358e762013-06-21 03:55:32 -0300[diff] [blame]1929
Philipp Zabelb313bcc2014-07-11 06:36:16 -0300[diff] [blame]1930 iram_info->buf_ip_ac_dc_use = coda_iram_alloc(iram_info, 128 * mb_width);
1931 if (!iram_info->buf_ip_ac_dc_use)
Philipp Zabel8358e762013-06-21 03:55:32 -0300[diff] [blame]1932 goto out;
Philipp Zabelb313bcc2014-07-11 06:36:16 -0300[diff] [blame]1933 iram_info->axi_sram_use |= ip_bits;
Philipp Zabel8358e762013-06-21 03:55:32 -0300[diff] [blame]1934
Philipp Zabelb313bcc2014-07-11 06:36:16 -0300[diff] [blame]1935 /* OVL and BTP unused as there is no VC1 support yet */
Philipp Zabelc2d22512013-06-21 03:55:28 -0300[diff] [blame]1936 }
1937
1938out:
Philipp Zabelc2d22512013-06-21 03:55:28 -0300[diff] [blame]1939 if (!(iram_info->axi_sram_use & CODA7_USE_HOST_IP_ENABLE))
1940 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
1941 "IRAM smaller than needed\n");
1942
1943 if (dev->devtype->product == CODA_7541) {
1944 /* TODO - Enabling these causes picture errors on CODA7541 */
Philipp Zabel8358e762013-06-21 03:55:32 -0300[diff] [blame]1945 if (ctx->inst_type == CODA_INST_DECODER) {
1946 /* fw 1.4.50 */
1947 iram_info->axi_sram_use &= ~(CODA7_USE_HOST_IP_ENABLE |
1948 CODA7_USE_IP_ENABLE);
1949 } else {
1950 /* fw 13.4.29 */
Philipp Zabelc2d22512013-06-21 03:55:28 -0300[diff] [blame]1951 iram_info->axi_sram_use &= ~(CODA7_USE_HOST_IP_ENABLE |
1952 CODA7_USE_HOST_DBK_ENABLE |
1953 CODA7_USE_IP_ENABLE |
1954 CODA7_USE_DBK_ENABLE);
1955 }
1956 }
1957}
1958
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]1959static void coda_free_context_buffers(struct coda_ctx *ctx)
1960{
1961 struct coda_dev *dev = ctx->dev;
1962
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]1963 coda_free_aux_buf(dev, &ctx->slicebuf);
1964 coda_free_aux_buf(dev, &ctx->psbuf);
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]1965 if (dev->devtype->product != CODA_DX6)
1966 coda_free_aux_buf(dev, &ctx->workbuf);
1967}
1968
1969static int coda_alloc_context_buffers(struct coda_ctx *ctx,
1970 struct coda_q_data *q_data)
1971{
1972 struct coda_dev *dev = ctx->dev;
1973 size_t size;
1974 int ret;
1975
Philipp Zabele5b0d1c2014-07-11 06:36:41 -0300[diff] [blame]1976 if (dev->devtype->product == CODA_DX6)
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]1977 return 0;
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]1978
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]1979 if (ctx->psbuf.vaddr) {
1980 v4l2_err(&dev->v4l2_dev, "psmembuf still allocated\n");
1981 return -EBUSY;
1982 }
1983 if (ctx->slicebuf.vaddr) {
1984 v4l2_err(&dev->v4l2_dev, "slicebuf still allocated\n");
1985 return -EBUSY;
1986 }
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]1987 if (ctx->workbuf.vaddr) {
1988 v4l2_err(&dev->v4l2_dev, "context buffer still allocated\n");
1989 ret = -EBUSY;
1990 return -ENOMEM;
1991 }
1992
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]1993 if (q_data->fourcc == V4L2_PIX_FMT_H264) {
1994 /* worst case slice size */
1995 size = (DIV_ROUND_UP(q_data->width, 16) *
1996 DIV_ROUND_UP(q_data->height, 16)) * 3200 / 8 + 512;
Philipp Zabelf61c0b12014-07-11 06:36:40 -0300[diff] [blame]1997 ret = coda_alloc_context_buf(ctx, &ctx->slicebuf, size, "slicebuf");
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]1998 if (ret < 0) {
1999 v4l2_err(&dev->v4l2_dev, "failed to allocate %d byte slice buffer",
2000 ctx->slicebuf.size);
2001 return ret;
2002 }
2003 }
2004
2005 if (dev->devtype->product == CODA_7541) {
Philipp Zabelf61c0b12014-07-11 06:36:40 -0300[diff] [blame]2006 ret = coda_alloc_context_buf(ctx, &ctx->psbuf, CODA7_PS_BUF_SIZE, "psbuf");
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2007 if (ret < 0) {
2008 v4l2_err(&dev->v4l2_dev, "failed to allocate psmem buffer");
2009 goto err;
2010 }
2011 }
2012
Philipp Zabele5b0d1c2014-07-11 06:36:41 -0300[diff] [blame]2013 size = dev->devtype->workbuf_size;
2014 if (dev->devtype->product == CODA_960 &&
2015 q_data->fourcc == V4L2_PIX_FMT_H264)
2016 size += CODA9_PS_SAVE_SIZE;
Philipp Zabelf61c0b12014-07-11 06:36:40 -0300[diff] [blame]2017 ret = coda_alloc_context_buf(ctx, &ctx->workbuf, size, "workbuf");
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]2018 if (ret < 0) {
2019 v4l2_err(&dev->v4l2_dev, "failed to allocate %d byte context buffer",
2020 ctx->workbuf.size);
2021 goto err;
2022 }
2023
2024 return 0;
2025
2026err:
2027 coda_free_context_buffers(ctx);
2028 return ret;
2029}
2030
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2031static int coda_start_decoding(struct coda_ctx *ctx)
2032{
2033 struct coda_q_data *q_data_src, *q_data_dst;
2034 u32 bitstream_buf, bitstream_size;
2035 struct coda_dev *dev = ctx->dev;
2036 int width, height;
2037 u32 src_fourcc;
2038 u32 val;
2039 int ret;
2040
2041 /* Start decoding */
2042 q_data_src = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
2043 q_data_dst = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
2044 bitstream_buf = ctx->bitstream.paddr;
2045 bitstream_size = ctx->bitstream.size;
2046 src_fourcc = q_data_src->fourcc;
2047
2048 coda_write(dev, ctx->parabuf.paddr, CODA_REG_BIT_PARA_BUF_ADDR);
2049
2050 /* Update coda bitstream read and write pointers from kfifo */
2051 coda_kfifo_sync_to_device_full(ctx);
2052
2053 ctx->display_idx = -1;
2054 ctx->frm_dis_flg = 0;
2055 coda_write(dev, 0, CODA_REG_BIT_FRM_DIS_FLG(ctx->reg_idx));
2056
2057 coda_write(dev, CODA_BIT_DEC_SEQ_INIT_ESCAPE,
2058 CODA_REG_BIT_BIT_STREAM_PARAM);
2059
2060 coda_write(dev, bitstream_buf, CODA_CMD_DEC_SEQ_BB_START);
2061 coda_write(dev, bitstream_size / 1024, CODA_CMD_DEC_SEQ_BB_SIZE);
2062 val = 0;
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]2063 if ((dev->devtype->product == CODA_7541) ||
2064 (dev->devtype->product == CODA_960))
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2065 val |= CODA_REORDER_ENABLE;
2066 coda_write(dev, val, CODA_CMD_DEC_SEQ_OPTION);
2067
2068 ctx->params.codec_mode = ctx->codec->mode;
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]2069 if (dev->devtype->product == CODA_960 &&
2070 src_fourcc == V4L2_PIX_FMT_MPEG4)
2071 ctx->params.codec_mode_aux = CODA_MP4_AUX_MPEG4;
2072 else
2073 ctx->params.codec_mode_aux = 0;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2074 if (src_fourcc == V4L2_PIX_FMT_H264) {
2075 if (dev->devtype->product == CODA_7541) {
2076 coda_write(dev, ctx->psbuf.paddr,
2077 CODA_CMD_DEC_SEQ_PS_BB_START);
2078 coda_write(dev, (CODA7_PS_BUF_SIZE / 1024),
2079 CODA_CMD_DEC_SEQ_PS_BB_SIZE);
2080 }
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]2081 if (dev->devtype->product == CODA_960) {
2082 coda_write(dev, 0, CODA_CMD_DEC_SEQ_X264_MV_EN);
2083 coda_write(dev, 512, CODA_CMD_DEC_SEQ_SPP_CHUNK_SIZE);
2084 }
2085 }
2086 if (dev->devtype->product != CODA_960) {
2087 coda_write(dev, 0, CODA_CMD_DEC_SEQ_SRC_SIZE);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2088 }
2089
2090 if (coda_command_sync(ctx, CODA_COMMAND_SEQ_INIT)) {
2091 v4l2_err(&dev->v4l2_dev, "CODA_COMMAND_SEQ_INIT timeout\n");
2092 coda_write(dev, 0, CODA_REG_BIT_BIT_STREAM_PARAM);
2093 return -ETIMEDOUT;
2094 }
2095
2096 /* Update kfifo out pointer from coda bitstream read pointer */
2097 coda_kfifo_sync_from_device(ctx);
2098
2099 coda_write(dev, 0, CODA_REG_BIT_BIT_STREAM_PARAM);
2100
2101 if (coda_read(dev, CODA_RET_DEC_SEQ_SUCCESS) == 0) {
2102 v4l2_err(&dev->v4l2_dev,
2103 "CODA_COMMAND_SEQ_INIT failed, error code = %d\n",
2104 coda_read(dev, CODA_RET_DEC_SEQ_ERR_REASON));
2105 return -EAGAIN;
2106 }
2107
2108 val = coda_read(dev, CODA_RET_DEC_SEQ_SRC_SIZE);
2109 if (dev->devtype->product == CODA_DX6) {
2110 width = (val >> CODADX6_PICWIDTH_OFFSET) & CODADX6_PICWIDTH_MASK;
2111 height = val & CODADX6_PICHEIGHT_MASK;
2112 } else {
2113 width = (val >> CODA7_PICWIDTH_OFFSET) & CODA7_PICWIDTH_MASK;
2114 height = val & CODA7_PICHEIGHT_MASK;
2115 }
2116
2117 if (width > q_data_dst->width || height > q_data_dst->height) {
2118 v4l2_err(&dev->v4l2_dev, "stream is %dx%d, not %dx%d\n",
2119 width, height, q_data_dst->width, q_data_dst->height);
2120 return -EINVAL;
2121 }
2122
2123 width = round_up(width, 16);
2124 height = round_up(height, 16);
2125
2126 v4l2_dbg(1, coda_debug, &dev->v4l2_dev, "%s instance %d now: %dx%d\n",
2127 __func__, ctx->idx, width, height);
2128
Philipp Zabela500a932014-07-11 06:36:13 -0300[diff] [blame]2129 ctx->num_internal_frames = coda_read(dev, CODA_RET_DEC_SEQ_FRAME_NEED);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2130 if (ctx->num_internal_frames > CODA_MAX_FRAMEBUFFERS) {
2131 v4l2_err(&dev->v4l2_dev,
2132 "not enough framebuffers to decode (%d < %d)\n",
2133 CODA_MAX_FRAMEBUFFERS, ctx->num_internal_frames);
2134 return -EINVAL;
2135 }
2136
Philipp Zabel52c41672014-07-11 06:36:19 -0300[diff] [blame]2137 if (src_fourcc == V4L2_PIX_FMT_H264) {
2138 u32 left_right;
2139 u32 top_bottom;
2140
2141 left_right = coda_read(dev, CODA_RET_DEC_SEQ_CROP_LEFT_RIGHT);
2142 top_bottom = coda_read(dev, CODA_RET_DEC_SEQ_CROP_TOP_BOTTOM);
2143
2144 q_data_dst->rect.left = (left_right >> 10) & 0x3ff;
2145 q_data_dst->rect.top = (top_bottom >> 10) & 0x3ff;
2146 q_data_dst->rect.width = width - q_data_dst->rect.left -
2147 (left_right & 0x3ff);
2148 q_data_dst->rect.height = height - q_data_dst->rect.top -
2149 (top_bottom & 0x3ff);
2150 }
2151
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2152 ret = coda_alloc_framebuffers(ctx, q_data_dst, src_fourcc);
2153 if (ret < 0)
2154 return ret;
2155
2156 /* Tell the decoder how many frame buffers we allocated. */
2157 coda_write(dev, ctx->num_internal_frames, CODA_CMD_SET_FRAME_BUF_NUM);
2158 coda_write(dev, width, CODA_CMD_SET_FRAME_BUF_STRIDE);
2159
2160 if (dev->devtype->product != CODA_DX6) {
2161 /* Set secondary AXI IRAM */
2162 coda_setup_iram(ctx);
2163
2164 coda_write(dev, ctx->iram_info.buf_bit_use,
2165 CODA7_CMD_SET_FRAME_AXI_BIT_ADDR);
2166 coda_write(dev, ctx->iram_info.buf_ip_ac_dc_use,
2167 CODA7_CMD_SET_FRAME_AXI_IPACDC_ADDR);
2168 coda_write(dev, ctx->iram_info.buf_dbk_y_use,
2169 CODA7_CMD_SET_FRAME_AXI_DBKY_ADDR);
2170 coda_write(dev, ctx->iram_info.buf_dbk_c_use,
2171 CODA7_CMD_SET_FRAME_AXI_DBKC_ADDR);
2172 coda_write(dev, ctx->iram_info.buf_ovl_use,
2173 CODA7_CMD_SET_FRAME_AXI_OVL_ADDR);
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]2174 if (dev->devtype->product == CODA_960)
2175 coda_write(dev, ctx->iram_info.buf_btp_use,
2176 CODA9_CMD_SET_FRAME_AXI_BTP_ADDR);
2177 }
2178
2179 if (dev->devtype->product == CODA_960) {
2180 coda_write(dev, -1, CODA9_CMD_SET_FRAME_DELAY);
2181
2182 coda_write(dev, 0x20262024, CODA9_CMD_SET_FRAME_CACHE_SIZE);
2183 coda_write(dev, 2 << CODA9_CACHE_PAGEMERGE_OFFSET |
2184 32 << CODA9_CACHE_LUMA_BUFFER_SIZE_OFFSET |
2185 8 << CODA9_CACHE_CB_BUFFER_SIZE_OFFSET |
2186 8 << CODA9_CACHE_CR_BUFFER_SIZE_OFFSET,
2187 CODA9_CMD_SET_FRAME_CACHE_CONFIG);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2188 }
2189
2190 if (src_fourcc == V4L2_PIX_FMT_H264) {
2191 coda_write(dev, ctx->slicebuf.paddr,
2192 CODA_CMD_SET_FRAME_SLICE_BB_START);
2193 coda_write(dev, ctx->slicebuf.size / 1024,
2194 CODA_CMD_SET_FRAME_SLICE_BB_SIZE);
2195 }
2196
2197 if (dev->devtype->product == CODA_7541) {
2198 int max_mb_x = 1920 / 16;
2199 int max_mb_y = 1088 / 16;
2200 int max_mb_num = max_mb_x * max_mb_y;
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]2201
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2202 coda_write(dev, max_mb_num << 16 | max_mb_x << 8 | max_mb_y,
2203 CODA7_CMD_SET_FRAME_MAX_DEC_SIZE);
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]2204 } else if (dev->devtype->product == CODA_960) {
2205 int max_mb_x = 1920 / 16;
2206 int max_mb_y = 1088 / 16;
2207 int max_mb_num = max_mb_x * max_mb_y;
2208
2209 coda_write(dev, max_mb_num << 16 | max_mb_x << 8 | max_mb_y,
2210 CODA9_CMD_SET_FRAME_MAX_DEC_SIZE);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2211 }
2212
2213 if (coda_command_sync(ctx, CODA_COMMAND_SET_FRAME_BUF)) {
2214 v4l2_err(&ctx->dev->v4l2_dev,
2215 "CODA_COMMAND_SET_FRAME_BUF timeout\n");
2216 return -ETIMEDOUT;
2217 }
2218
2219 return 0;
2220}
2221
Philipp Zabeld35167a2013-05-23 10:42:59 -0300[diff] [blame]2222static int coda_encode_header(struct coda_ctx *ctx, struct vb2_buffer *buf,
2223 int header_code, u8 *header, int *size)
2224{
2225 struct coda_dev *dev = ctx->dev;
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]2226 size_t bufsize;
Philipp Zabeld35167a2013-05-23 10:42:59 -0300[diff] [blame]2227 int ret;
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]2228 int i;
2229
2230 if (dev->devtype->product == CODA_960)
2231 memset(vb2_plane_vaddr(buf, 0), 0, 64);
Philipp Zabeld35167a2013-05-23 10:42:59 -0300[diff] [blame]2232
2233 coda_write(dev, vb2_dma_contig_plane_dma_addr(buf, 0),
2234 CODA_CMD_ENC_HEADER_BB_START);
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]2235 bufsize = vb2_plane_size(buf, 0);
2236 if (dev->devtype->product == CODA_960)
2237 bufsize /= 1024;
2238 coda_write(dev, bufsize, CODA_CMD_ENC_HEADER_BB_SIZE);
Philipp Zabeld35167a2013-05-23 10:42:59 -0300[diff] [blame]2239 coda_write(dev, header_code, CODA_CMD_ENC_HEADER_CODE);
2240 ret = coda_command_sync(ctx, CODA_COMMAND_ENCODE_HEADER);
2241 if (ret < 0) {
2242 v4l2_err(&dev->v4l2_dev, "CODA_COMMAND_ENCODE_HEADER timeout\n");
2243 return ret;
2244 }
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]2245
2246 if (dev->devtype->product == CODA_960) {
2247 for (i = 63; i > 0; i--)
2248 if (((char *)vb2_plane_vaddr(buf, 0))[i] != 0)
2249 break;
2250 *size = i + 1;
2251 } else {
2252 *size = coda_read(dev, CODA_REG_BIT_WR_PTR(ctx->reg_idx)) -
2253 coda_read(dev, CODA_CMD_ENC_HEADER_BB_START);
2254 }
Philipp Zabeld35167a2013-05-23 10:42:59 -0300[diff] [blame]2255 memcpy(header, vb2_plane_vaddr(buf, 0), *size);
2256
2257 return 0;
2258}
2259
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]2260static int coda_start_encoding(struct coda_ctx *ctx);
2261
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2262static int coda_start_streaming(struct vb2_queue *q, unsigned int count)
2263{
2264 struct coda_ctx *ctx = vb2_get_drv_priv(q);
2265 struct v4l2_device *v4l2_dev = &ctx->dev->v4l2_dev;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2266 struct coda_dev *dev = ctx->dev;
2267 struct coda_q_data *q_data_src, *q_data_dst;
Philipp Zabelec25f682012-07-20 08:54:29 -0300[diff] [blame]2268 u32 dst_fourcc;
Philipp Zabeld35167a2013-05-23 10:42:59 -0300[diff] [blame]2269 int ret = 0;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2270
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]2271 q_data_src = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2272 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
2273 if (q_data_src->fourcc == V4L2_PIX_FMT_H264) {
Michael Olbricheabed932014-07-18 07:22:40 -0300[diff] [blame^]2274 /* copy the buffers that where queued before streamon */
2275 mutex_lock(&ctx->bitstream_mutex);
2276 coda_fill_bitstream(ctx);
2277 mutex_unlock(&ctx->bitstream_mutex);
2278
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2279 if (coda_get_bitstream_payload(ctx) < 512)
2280 return -EINVAL;
2281 } else {
2282 if (count < 1)
2283 return -EINVAL;
2284 }
2285
2286 ctx->streamon_out = 1;
2287
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]2288 if (coda_format_is_yuv(q_data_src->fourcc))
2289 ctx->inst_type = CODA_INST_ENCODER;
2290 else
2291 ctx->inst_type = CODA_INST_DECODER;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2292 } else {
2293 if (count < 1)
2294 return -EINVAL;
2295
2296 ctx->streamon_cap = 1;
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]2297 }
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2298
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]2299 /* Don't start the coda unless both queues are on */
2300 if (!(ctx->streamon_out & ctx->streamon_cap))
2301 return 0;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2302
Philipp Zabeleb107512013-09-30 10:34:45 -0300[diff] [blame]2303 /* Allow decoder device_run with no new buffers queued */
2304 if (ctx->inst_type == CODA_INST_DECODER)
Philipp Zabel14604e32014-07-11 06:36:22 -0300[diff] [blame]2305 v4l2_m2m_set_src_buffered(ctx->fh.m2m_ctx, true);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2306
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]2307 ctx->gopcounter = ctx->params.gop_size - 1;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2308 q_data_dst = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]2309 dst_fourcc = q_data_dst->fourcc;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2310
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]2311 ctx->codec = coda_find_codec(ctx->dev, q_data_src->fourcc,
2312 q_data_dst->fourcc);
2313 if (!ctx->codec) {
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2314 v4l2_err(v4l2_dev, "couldn't tell instance type.\n");
2315 return -EINVAL;
2316 }
2317
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]2318 /* Allocate per-instance buffers */
2319 ret = coda_alloc_context_buffers(ctx, q_data_src);
2320 if (ret < 0)
2321 return ret;
2322
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2323 if (ctx->inst_type == CODA_INST_DECODER) {
2324 mutex_lock(&dev->coda_mutex);
2325 ret = coda_start_decoding(ctx);
2326 mutex_unlock(&dev->coda_mutex);
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]2327 if (ret == -EAGAIN)
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2328 return 0;
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]2329 else if (ret < 0)
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2330 return ret;
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]2331 } else {
2332 ret = coda_start_encoding(ctx);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2333 }
2334
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]2335 ctx->initialized = 1;
2336 return ret;
2337}
2338
2339static int coda_start_encoding(struct coda_ctx *ctx)
2340{
2341 struct coda_dev *dev = ctx->dev;
2342 struct v4l2_device *v4l2_dev = &dev->v4l2_dev;
2343 struct coda_q_data *q_data_src, *q_data_dst;
2344 u32 bitstream_buf, bitstream_size;
2345 struct vb2_buffer *buf;
2346 int gamma, ret, value;
2347 u32 dst_fourcc;
2348
2349 q_data_src = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
2350 q_data_dst = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
2351 dst_fourcc = q_data_dst->fourcc;
2352
Philipp Zabel14604e32014-07-11 06:36:22 -0300[diff] [blame]2353 buf = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx);
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]2354 bitstream_buf = vb2_dma_contig_plane_dma_addr(buf, 0);
2355 bitstream_size = q_data_dst->sizeimage;
2356
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2357 if (!coda_is_initialized(dev)) {
2358 v4l2_err(v4l2_dev, "coda is not initialized.\n");
2359 return -EFAULT;
2360 }
Philipp Zabelfcb62822013-05-23 10:43:00 -0300[diff] [blame]2361
2362 mutex_lock(&dev->coda_mutex);
2363
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2364 coda_write(dev, ctx->parabuf.paddr, CODA_REG_BIT_PARA_BUF_ADDR);
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]2365 coda_write(dev, bitstream_buf, CODA_REG_BIT_RD_PTR(ctx->reg_idx));
2366 coda_write(dev, bitstream_buf, CODA_REG_BIT_WR_PTR(ctx->reg_idx));
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2367 switch (dev->devtype->product) {
2368 case CODA_DX6:
2369 coda_write(dev, CODADX6_STREAM_BUF_DYNALLOC_EN |
2370 CODADX6_STREAM_BUF_PIC_RESET, CODA_REG_BIT_STREAM_CTRL);
2371 break;
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]2372 case CODA_960:
2373 coda_write(dev, 0, CODA9_GDI_WPROT_RGN_EN);
2374 /* fallthrough */
2375 case CODA_7541:
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2376 coda_write(dev, CODA7_STREAM_BUF_DYNALLOC_EN |
2377 CODA7_STREAM_BUF_PIC_RESET, CODA_REG_BIT_STREAM_CTRL);
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]2378 break;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2379 }
2380
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]2381 value = coda_read(dev, CODA_REG_BIT_FRAME_MEM_CTRL);
2382 value &= ~(1 << 2 | 0x7 << 9);
2383 ctx->frame_mem_ctrl = value;
2384 coda_write(dev, value, CODA_REG_BIT_FRAME_MEM_CTRL);
2385
Philipp Zabel10436672012-07-02 09:03:55 -0300[diff] [blame]2386 if (dev->devtype->product == CODA_DX6) {
2387 /* Configure the coda */
Philipp Zabelb313bcc2014-07-11 06:36:16 -0300[diff] [blame]2388 coda_write(dev, dev->iram.paddr, CODADX6_REG_BIT_SEARCH_RAM_BASE_ADDR);
Philipp Zabel10436672012-07-02 09:03:55 -0300[diff] [blame]2389 }
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2390
2391 /* Could set rotation here if needed */
2392 switch (dev->devtype->product) {
2393 case CODA_DX6:
2394 value = (q_data_src->width & CODADX6_PICWIDTH_MASK) << CODADX6_PICWIDTH_OFFSET;
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]2395 value |= (q_data_src->height & CODADX6_PICHEIGHT_MASK) << CODA_PICHEIGHT_OFFSET;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2396 break;
Philipp Zabel7c3df782014-07-11 06:36:38 -0300[diff] [blame]2397 case CODA_7541:
2398 if (dst_fourcc == V4L2_PIX_FMT_H264) {
2399 value = (round_up(q_data_src->width, 16) &
2400 CODA7_PICWIDTH_MASK) << CODA7_PICWIDTH_OFFSET;
2401 value |= (round_up(q_data_src->height, 16) &
2402 CODA7_PICHEIGHT_MASK) << CODA_PICHEIGHT_OFFSET;
2403 break;
2404 }
2405 /* fallthrough */
2406 case CODA_960:
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2407 value = (q_data_src->width & CODA7_PICWIDTH_MASK) << CODA7_PICWIDTH_OFFSET;
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]2408 value |= (q_data_src->height & CODA7_PICHEIGHT_MASK) << CODA_PICHEIGHT_OFFSET;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2409 }
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2410 coda_write(dev, value, CODA_CMD_ENC_SEQ_SRC_SIZE);
2411 coda_write(dev, ctx->params.framerate,
2412 CODA_CMD_ENC_SEQ_SRC_F_RATE);
2413
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]2414 ctx->params.codec_mode = ctx->codec->mode;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2415 switch (dst_fourcc) {
2416 case V4L2_PIX_FMT_MPEG4:
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]2417 if (dev->devtype->product == CODA_960)
2418 coda_write(dev, CODA9_STD_MPEG4, CODA_CMD_ENC_SEQ_COD_STD);
2419 else
2420 coda_write(dev, CODA_STD_MPEG4, CODA_CMD_ENC_SEQ_COD_STD);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2421 coda_write(dev, 0, CODA_CMD_ENC_SEQ_MP4_PARA);
2422 break;
2423 case V4L2_PIX_FMT_H264:
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]2424 if (dev->devtype->product == CODA_960)
2425 coda_write(dev, CODA9_STD_H264, CODA_CMD_ENC_SEQ_COD_STD);
2426 else
2427 coda_write(dev, CODA_STD_H264, CODA_CMD_ENC_SEQ_COD_STD);
Philipp Zabelde23b1d2014-07-11 06:36:27 -0300[diff] [blame]2428 if (ctx->params.h264_deblk_enabled) {
2429 value = ((ctx->params.h264_deblk_alpha &
2430 CODA_264PARAM_DEBLKFILTEROFFSETALPHA_MASK) <<
2431 CODA_264PARAM_DEBLKFILTEROFFSETALPHA_OFFSET) |
2432 ((ctx->params.h264_deblk_beta &
2433 CODA_264PARAM_DEBLKFILTEROFFSETBETA_MASK) <<
2434 CODA_264PARAM_DEBLKFILTEROFFSETBETA_OFFSET);
2435 } else {
2436 value = 1 << CODA_264PARAM_DISABLEDEBLK_OFFSET;
2437 }
2438 coda_write(dev, value, CODA_CMD_ENC_SEQ_264_PARA);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2439 break;
2440 default:
2441 v4l2_err(v4l2_dev,
2442 "dst format (0x%08x) invalid.\n", dst_fourcc);
Philipp Zabelfcb62822013-05-23 10:43:00 -0300[diff] [blame]2443 ret = -EINVAL;
2444 goto out;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2445 }
2446
Philipp Zabelc566c782012-08-08 11:59:38 -0300[diff] [blame]2447 switch (ctx->params.slice_mode) {
2448 case V4L2_MPEG_VIDEO_MULTI_SLICE_MODE_SINGLE:
2449 value = 0;
2450 break;
2451 case V4L2_MPEG_VIDEO_MULTI_SICE_MODE_MAX_MB:
2452 value = (ctx->params.slice_max_mb & CODA_SLICING_SIZE_MASK) << CODA_SLICING_SIZE_OFFSET;
2453 value |= (1 & CODA_SLICING_UNIT_MASK) << CODA_SLICING_UNIT_OFFSET;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2454 value |= 1 & CODA_SLICING_MODE_MASK;
Philipp Zabelc566c782012-08-08 11:59:38 -0300[diff] [blame]2455 break;
2456 case V4L2_MPEG_VIDEO_MULTI_SICE_MODE_MAX_BYTES:
2457 value = (ctx->params.slice_max_bits & CODA_SLICING_SIZE_MASK) << CODA_SLICING_SIZE_OFFSET;
2458 value |= (0 & CODA_SLICING_UNIT_MASK) << CODA_SLICING_UNIT_OFFSET;
2459 value |= 1 & CODA_SLICING_MODE_MASK;
2460 break;
2461 }
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2462 coda_write(dev, value, CODA_CMD_ENC_SEQ_SLICE_MODE);
Philipp Zabelc566c782012-08-08 11:59:38 -0300[diff] [blame]2463 value = ctx->params.gop_size & CODA_GOP_SIZE_MASK;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2464 coda_write(dev, value, CODA_CMD_ENC_SEQ_GOP_SIZE);
2465
2466 if (ctx->params.bitrate) {
2467 /* Rate control enabled */
2468 value = (ctx->params.bitrate & CODA_RATECONTROL_BITRATE_MASK) << CODA_RATECONTROL_BITRATE_OFFSET;
2469 value |= 1 & CODA_RATECONTROL_ENABLE_MASK;
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]2470 if (dev->devtype->product == CODA_960)
2471 value |= BIT(31); /* disable autoskip */
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2472 } else {
2473 value = 0;
2474 }
2475 coda_write(dev, value, CODA_CMD_ENC_SEQ_RC_PARA);
2476
2477 coda_write(dev, 0, CODA_CMD_ENC_SEQ_RC_BUF_SIZE);
Philipp Zabelf38f79d2014-07-11 06:36:28 -0300[diff] [blame]2478 coda_write(dev, ctx->params.intra_refresh,
2479 CODA_CMD_ENC_SEQ_INTRA_REFRESH);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2480
2481 coda_write(dev, bitstream_buf, CODA_CMD_ENC_SEQ_BB_START);
2482 coda_write(dev, bitstream_size / 1024, CODA_CMD_ENC_SEQ_BB_SIZE);
2483
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2484
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]2485 value = 0;
2486 if (dev->devtype->product == CODA_960)
2487 gamma = CODA9_DEFAULT_GAMMA;
2488 else
2489 gamma = CODA_DEFAULT_GAMMA;
2490 if (gamma > 0) {
2491 coda_write(dev, (gamma & CODA_GAMMA_MASK) << CODA_GAMMA_OFFSET,
2492 CODA_CMD_ENC_SEQ_RC_GAMMA);
2493 }
Philipp Zabel1a5567e2014-07-11 06:36:26 -0300[diff] [blame]2494
2495 if (ctx->params.h264_min_qp || ctx->params.h264_max_qp) {
2496 coda_write(dev,
2497 ctx->params.h264_min_qp << CODA_QPMIN_OFFSET |
2498 ctx->params.h264_max_qp << CODA_QPMAX_OFFSET,
2499 CODA_CMD_ENC_SEQ_RC_QP_MIN_MAX);
2500 }
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]2501 if (dev->devtype->product == CODA_960) {
Philipp Zabel1a5567e2014-07-11 06:36:26 -0300[diff] [blame]2502 if (ctx->params.h264_max_qp)
2503 value |= 1 << CODA9_OPTION_RCQPMAX_OFFSET;
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]2504 if (CODA_DEFAULT_GAMMA > 0)
2505 value |= 1 << CODA9_OPTION_GAMMA_OFFSET;
Philipp Zabelfb1fcf12013-05-23 10:42:53 -0300[diff] [blame]2506 } else {
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]2507 if (CODA_DEFAULT_GAMMA > 0) {
2508 if (dev->devtype->product == CODA_DX6)
2509 value |= 1 << CODADX6_OPTION_GAMMA_OFFSET;
2510 else
2511 value |= 1 << CODA7_OPTION_GAMMA_OFFSET;
2512 }
Philipp Zabel1a5567e2014-07-11 06:36:26 -0300[diff] [blame]2513 if (ctx->params.h264_min_qp)
2514 value |= 1 << CODA7_OPTION_RCQPMIN_OFFSET;
2515 if (ctx->params.h264_max_qp)
2516 value |= 1 << CODA7_OPTION_RCQPMAX_OFFSET;
Philipp Zabelfb1fcf12013-05-23 10:42:53 -0300[diff] [blame]2517 }
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2518 coda_write(dev, value, CODA_CMD_ENC_SEQ_OPTION);
2519
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]2520 coda_write(dev, 0, CODA_CMD_ENC_SEQ_RC_INTERVAL_MODE);
2521
Philipp Zabelc2d22512013-06-21 03:55:28 -0300[diff] [blame]2522 coda_setup_iram(ctx);
2523
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2524 if (dst_fourcc == V4L2_PIX_FMT_H264) {
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]2525 switch (dev->devtype->product) {
2526 case CODA_DX6:
Philipp Zabel0fd84dc2013-09-30 10:34:47 -0300[diff] [blame]2527 value = FMO_SLICE_SAVE_BUF_SIZE << 7;
Philipp Zabel10436672012-07-02 09:03:55 -0300[diff] [blame]2528 coda_write(dev, value, CODADX6_CMD_ENC_SEQ_FMO);
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]2529 break;
2530 case CODA_7541:
Philipp Zabelc2d22512013-06-21 03:55:28 -0300[diff] [blame]2531 coda_write(dev, ctx->iram_info.search_ram_paddr,
2532 CODA7_CMD_ENC_SEQ_SEARCH_BASE);
2533 coda_write(dev, ctx->iram_info.search_ram_size,
2534 CODA7_CMD_ENC_SEQ_SEARCH_SIZE);
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]2535 break;
2536 case CODA_960:
2537 coda_write(dev, 0, CODA9_CMD_ENC_SEQ_ME_OPTION);
2538 coda_write(dev, 0, CODA9_CMD_ENC_SEQ_INTRA_WEIGHT);
Philipp Zabel10436672012-07-02 09:03:55 -0300[diff] [blame]2539 }
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2540 }
2541
Philipp Zabelfcb62822013-05-23 10:43:00 -0300[diff] [blame]2542 ret = coda_command_sync(ctx, CODA_COMMAND_SEQ_INIT);
2543 if (ret < 0) {
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2544 v4l2_err(v4l2_dev, "CODA_COMMAND_SEQ_INIT timeout\n");
Philipp Zabelfcb62822013-05-23 10:43:00 -0300[diff] [blame]2545 goto out;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2546 }
2547
Philipp Zabelfcb62822013-05-23 10:43:00 -0300[diff] [blame]2548 if (coda_read(dev, CODA_RET_ENC_SEQ_SUCCESS) == 0) {
2549 v4l2_err(v4l2_dev, "CODA_COMMAND_SEQ_INIT failed\n");
2550 ret = -EFAULT;
2551 goto out;
2552 }
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2553
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]2554 if (dev->devtype->product == CODA_960)
2555 ctx->num_internal_frames = 4;
2556 else
2557 ctx->num_internal_frames = 2;
Philipp Zabelec25f682012-07-20 08:54:29 -0300[diff] [blame]2558 ret = coda_alloc_framebuffers(ctx, q_data_src, dst_fourcc);
Philipp Zabelfcb62822013-05-23 10:43:00 -0300[diff] [blame]2559 if (ret < 0) {
2560 v4l2_err(v4l2_dev, "failed to allocate framebuffers\n");
2561 goto out;
2562 }
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2563
Philipp Zabelec25f682012-07-20 08:54:29 -0300[diff] [blame]2564 coda_write(dev, ctx->num_internal_frames, CODA_CMD_SET_FRAME_BUF_NUM);
Philipp Zabel2fd6a372014-07-11 06:36:36 -0300[diff] [blame]2565 coda_write(dev, q_data_src->bytesperline,
2566 CODA_CMD_SET_FRAME_BUF_STRIDE);
2567 if (dev->devtype->product == CODA_7541) {
2568 coda_write(dev, q_data_src->bytesperline,
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2569 CODA7_CMD_SET_FRAME_SOURCE_BUF_STRIDE);
Philipp Zabel2fd6a372014-07-11 06:36:36 -0300[diff] [blame]2570 }
Philipp Zabel10436672012-07-02 09:03:55 -0300[diff] [blame]2571 if (dev->devtype->product != CODA_DX6) {
Philipp Zabelc2d22512013-06-21 03:55:28 -0300[diff] [blame]2572 coda_write(dev, ctx->iram_info.buf_bit_use,
2573 CODA7_CMD_SET_FRAME_AXI_BIT_ADDR);
2574 coda_write(dev, ctx->iram_info.buf_ip_ac_dc_use,
2575 CODA7_CMD_SET_FRAME_AXI_IPACDC_ADDR);
2576 coda_write(dev, ctx->iram_info.buf_dbk_y_use,
2577 CODA7_CMD_SET_FRAME_AXI_DBKY_ADDR);
2578 coda_write(dev, ctx->iram_info.buf_dbk_c_use,
2579 CODA7_CMD_SET_FRAME_AXI_DBKC_ADDR);
2580 coda_write(dev, ctx->iram_info.buf_ovl_use,
2581 CODA7_CMD_SET_FRAME_AXI_OVL_ADDR);
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]2582 if (dev->devtype->product == CODA_960) {
2583 coda_write(dev, ctx->iram_info.buf_btp_use,
2584 CODA9_CMD_SET_FRAME_AXI_BTP_ADDR);
2585
2586 /* FIXME */
2587 coda_write(dev, ctx->internal_frames[2].paddr, CODA9_CMD_SET_FRAME_SUBSAMP_A);
2588 coda_write(dev, ctx->internal_frames[3].paddr, CODA9_CMD_SET_FRAME_SUBSAMP_B);
2589 }
Philipp Zabel10436672012-07-02 09:03:55 -0300[diff] [blame]2590 }
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]2591
Philipp Zabelfcb62822013-05-23 10:43:00 -0300[diff] [blame]2592 ret = coda_command_sync(ctx, CODA_COMMAND_SET_FRAME_BUF);
2593 if (ret < 0) {
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2594 v4l2_err(v4l2_dev, "CODA_COMMAND_SET_FRAME_BUF timeout\n");
Philipp Zabelfcb62822013-05-23 10:43:00 -0300[diff] [blame]2595 goto out;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2596 }
2597
2598 /* Save stream headers */
Philipp Zabel14604e32014-07-11 06:36:22 -0300[diff] [blame]2599 buf = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2600 switch (dst_fourcc) {
2601 case V4L2_PIX_FMT_H264:
2602 /*
2603 * Get SPS in the first frame and copy it to an
2604 * intermediate buffer.
2605 */
Philipp Zabeld35167a2013-05-23 10:42:59 -0300[diff] [blame]2606 ret = coda_encode_header(ctx, buf, CODA_HEADER_H264_SPS,
2607 &ctx->vpu_header[0][0],
2608 &ctx->vpu_header_size[0]);
2609 if (ret < 0)
2610 goto out;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2611
2612 /*
2613 * Get PPS in the first frame and copy it to an
2614 * intermediate buffer.
2615 */
Philipp Zabeld35167a2013-05-23 10:42:59 -0300[diff] [blame]2616 ret = coda_encode_header(ctx, buf, CODA_HEADER_H264_PPS,
2617 &ctx->vpu_header[1][0],
2618 &ctx->vpu_header_size[1]);
2619 if (ret < 0)
2620 goto out;
2621
Javier Martin3f3f5c72012-10-29 05:20:29 -0300[diff] [blame]2622 /*
2623 * Length of H.264 headers is variable and thus it might not be
2624 * aligned for the coda to append the encoded frame. In that is
2625 * the case a filler NAL must be added to header 2.
2626 */
2627 ctx->vpu_header_size[2] = coda_h264_padding(
2628 (ctx->vpu_header_size[0] +
2629 ctx->vpu_header_size[1]),
2630 ctx->vpu_header[2]);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2631 break;
2632 case V4L2_PIX_FMT_MPEG4:
2633 /*
2634 * Get VOS in the first frame and copy it to an
2635 * intermediate buffer
2636 */
Philipp Zabeld35167a2013-05-23 10:42:59 -0300[diff] [blame]2637 ret = coda_encode_header(ctx, buf, CODA_HEADER_MP4V_VOS,
2638 &ctx->vpu_header[0][0],
2639 &ctx->vpu_header_size[0]);
2640 if (ret < 0)
2641 goto out;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2642
Philipp Zabeld35167a2013-05-23 10:42:59 -0300[diff] [blame]2643 ret = coda_encode_header(ctx, buf, CODA_HEADER_MP4V_VIS,
2644 &ctx->vpu_header[1][0],
2645 &ctx->vpu_header_size[1]);
2646 if (ret < 0)
2647 goto out;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2648
Philipp Zabeld35167a2013-05-23 10:42:59 -0300[diff] [blame]2649 ret = coda_encode_header(ctx, buf, CODA_HEADER_MP4V_VOL,
2650 &ctx->vpu_header[2][0],
2651 &ctx->vpu_header_size[2]);
2652 if (ret < 0)
2653 goto out;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2654 break;
2655 default:
2656 /* No more formats need to save headers at the moment */
2657 break;
2658 }
2659
Philipp Zabeld35167a2013-05-23 10:42:59 -0300[diff] [blame]2660out:
Philipp Zabelfcb62822013-05-23 10:43:00 -0300[diff] [blame]2661 mutex_unlock(&dev->coda_mutex);
Philipp Zabeld35167a2013-05-23 10:42:59 -0300[diff] [blame]2662 return ret;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2663}
2664
Hans Verkuile37559b2014-04-17 02:47:21 -0300[diff] [blame]2665static void coda_stop_streaming(struct vb2_queue *q)
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2666{
2667 struct coda_ctx *ctx = vb2_get_drv_priv(q);
Philipp Zabel2fb57f02012-07-25 09:22:07 -0300[diff] [blame]2668 struct coda_dev *dev = ctx->dev;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2669
2670 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2671 v4l2_dbg(1, coda_debug, &dev->v4l2_dev,
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2672 "%s: output\n", __func__);
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]2673 ctx->streamon_out = 0;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2674
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]2675 if (ctx->inst_type == CODA_INST_DECODER &&
2676 coda_isbusy(dev) && ctx->idx == coda_read(dev, CODA_REG_BIT_RUN_INDEX)) {
2677 /* if this decoder instance is running, set the stream end flag */
2678 if (dev->devtype->product == CODA_960) {
2679 u32 val = coda_read(dev, CODA_REG_BIT_BIT_STREAM_PARAM);
2680
2681 val |= CODA_BIT_STREAM_END_FLAG;
2682 coda_write(dev, val, CODA_REG_BIT_BIT_STREAM_PARAM);
2683 ctx->bit_stream_param = val;
2684 }
2685 }
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2686 ctx->bit_stream_param |= CODA_BIT_STREAM_END_FLAG;
2687
2688 ctx->isequence = 0;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2689 } else {
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2690 v4l2_dbg(1, coda_debug, &dev->v4l2_dev,
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2691 "%s: capture\n", __func__);
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]2692 ctx->streamon_cap = 0;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2693
2694 ctx->osequence = 0;
Philipp Zabelcb2c0282014-07-11 06:36:33 -0300[diff] [blame]2695 ctx->sequence_offset = 0;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2696 }
2697
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2698 if (!ctx->streamon_out && !ctx->streamon_cap) {
Philipp Zabel846ced92014-07-11 06:36:31 -0300[diff] [blame]2699 struct coda_timestamp *ts;
2700
2701 while (!list_empty(&ctx->timestamp_list)) {
2702 ts = list_first_entry(&ctx->timestamp_list,
2703 struct coda_timestamp, list);
2704 list_del(&ts->list);
2705 kfree(ts);
2706 }
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2707 kfifo_init(&ctx->bitstream_fifo,
2708 ctx->bitstream.vaddr, ctx->bitstream.size);
2709 ctx->runcounter = 0;
Philipp Zabel62bed142012-07-25 10:40:39 -0300[diff] [blame]2710 }
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2711}
2712
2713static struct vb2_ops coda_qops = {
2714 .queue_setup = coda_queue_setup,
2715 .buf_prepare = coda_buf_prepare,
2716 .buf_queue = coda_buf_queue,
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2717 .start_streaming = coda_start_streaming,
2718 .stop_streaming = coda_stop_streaming,
Philipp Zabel152ea1c2014-07-11 06:36:21 -0300[diff] [blame]2719 .wait_prepare = vb2_ops_wait_prepare,
2720 .wait_finish = vb2_ops_wait_finish,
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2721};
2722
2723static int coda_s_ctrl(struct v4l2_ctrl *ctrl)
2724{
2725 struct coda_ctx *ctx =
2726 container_of(ctrl->handler, struct coda_ctx, ctrls);
2727
2728 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
2729 "s_ctrl: id = %d, val = %d\n", ctrl->id, ctrl->val);
2730
2731 switch (ctrl->id) {
Philipp Zabel8f35c7b2012-07-09 04:25:52 -0300[diff] [blame]2732 case V4L2_CID_HFLIP:
2733 if (ctrl->val)
2734 ctx->params.rot_mode |= CODA_MIR_HOR;
2735 else
2736 ctx->params.rot_mode &= ~CODA_MIR_HOR;
2737 break;
2738 case V4L2_CID_VFLIP:
2739 if (ctrl->val)
2740 ctx->params.rot_mode |= CODA_MIR_VER;
2741 else
2742 ctx->params.rot_mode &= ~CODA_MIR_VER;
2743 break;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2744 case V4L2_CID_MPEG_VIDEO_BITRATE:
2745 ctx->params.bitrate = ctrl->val / 1000;
2746 break;
2747 case V4L2_CID_MPEG_VIDEO_GOP_SIZE:
2748 ctx->params.gop_size = ctrl->val;
2749 break;
2750 case V4L2_CID_MPEG_VIDEO_H264_I_FRAME_QP:
2751 ctx->params.h264_intra_qp = ctrl->val;
2752 break;
2753 case V4L2_CID_MPEG_VIDEO_H264_P_FRAME_QP:
2754 ctx->params.h264_inter_qp = ctrl->val;
2755 break;
Philipp Zabel1a5567e2014-07-11 06:36:26 -0300[diff] [blame]2756 case V4L2_CID_MPEG_VIDEO_H264_MIN_QP:
2757 ctx->params.h264_min_qp = ctrl->val;
2758 break;
2759 case V4L2_CID_MPEG_VIDEO_H264_MAX_QP:
2760 ctx->params.h264_max_qp = ctrl->val;
2761 break;
Philipp Zabelde23b1d2014-07-11 06:36:27 -0300[diff] [blame]2762 case V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_ALPHA:
2763 ctx->params.h264_deblk_alpha = ctrl->val;
2764 break;
2765 case V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_BETA:
2766 ctx->params.h264_deblk_beta = ctrl->val;
2767 break;
2768 case V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_MODE:
2769 ctx->params.h264_deblk_enabled = (ctrl->val ==
2770 V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_ENABLED);
2771 break;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2772 case V4L2_CID_MPEG_VIDEO_MPEG4_I_FRAME_QP:
2773 ctx->params.mpeg4_intra_qp = ctrl->val;
2774 break;
2775 case V4L2_CID_MPEG_VIDEO_MPEG4_P_FRAME_QP:
2776 ctx->params.mpeg4_inter_qp = ctrl->val;
2777 break;
2778 case V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MODE:
2779 ctx->params.slice_mode = ctrl->val;
2780 break;
2781 case V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_MB:
2782 ctx->params.slice_max_mb = ctrl->val;
2783 break;
Philipp Zabelc566c782012-08-08 11:59:38 -0300[diff] [blame]2784 case V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_BYTES:
2785 ctx->params.slice_max_bits = ctrl->val * 8;
2786 break;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2787 case V4L2_CID_MPEG_VIDEO_HEADER_MODE:
2788 break;
Philipp Zabelf38f79d2014-07-11 06:36:28 -0300[diff] [blame]2789 case V4L2_CID_MPEG_VIDEO_CYCLIC_INTRA_REFRESH_MB:
2790 ctx->params.intra_refresh = ctrl->val;
2791 break;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2792 default:
2793 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
2794 "Invalid control, id=%d, val=%d\n",
2795 ctrl->id, ctrl->val);
2796 return -EINVAL;
2797 }
2798
2799 return 0;
2800}
2801
2802static struct v4l2_ctrl_ops coda_ctrl_ops = {
2803 .s_ctrl = coda_s_ctrl,
2804};
2805
2806static int coda_ctrls_setup(struct coda_ctx *ctx)
2807{
2808 v4l2_ctrl_handler_init(&ctx->ctrls, 9);
2809
2810 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
Philipp Zabel8f35c7b2012-07-09 04:25:52 -0300[diff] [blame]2811 V4L2_CID_HFLIP, 0, 1, 1, 0);
2812 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
2813 V4L2_CID_VFLIP, 0, 1, 1, 0);
2814 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2815 V4L2_CID_MPEG_VIDEO_BITRATE, 0, 32767000, 1, 0);
2816 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
2817 V4L2_CID_MPEG_VIDEO_GOP_SIZE, 1, 60, 1, 16);
2818 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
Philipp Zabel594a7502014-07-11 06:36:14 -0300[diff] [blame]2819 V4L2_CID_MPEG_VIDEO_H264_I_FRAME_QP, 0, 51, 1, 25);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2820 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
Philipp Zabel594a7502014-07-11 06:36:14 -0300[diff] [blame]2821 V4L2_CID_MPEG_VIDEO_H264_P_FRAME_QP, 0, 51, 1, 25);
Philipp Zabel1a5567e2014-07-11 06:36:26 -0300[diff] [blame]2822 if (ctx->dev->devtype->product != CODA_960) {
2823 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
2824 V4L2_CID_MPEG_VIDEO_H264_MIN_QP, 0, 51, 1, 12);
2825 }
2826 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
2827 V4L2_CID_MPEG_VIDEO_H264_MAX_QP, 0, 51, 1, 51);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2828 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
Philipp Zabelde23b1d2014-07-11 06:36:27 -0300[diff] [blame]2829 V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_ALPHA, 0, 15, 1, 0);
2830 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
2831 V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_BETA, 0, 15, 1, 0);
2832 v4l2_ctrl_new_std_menu(&ctx->ctrls, &coda_ctrl_ops,
2833 V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_MODE,
2834 V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_DISABLED, 0x0,
2835 V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_ENABLED);
2836 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2837 V4L2_CID_MPEG_VIDEO_MPEG4_I_FRAME_QP, 1, 31, 1, 2);
2838 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
2839 V4L2_CID_MPEG_VIDEO_MPEG4_P_FRAME_QP, 1, 31, 1, 2);
2840 v4l2_ctrl_new_std_menu(&ctx->ctrls, &coda_ctrl_ops,
2841 V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MODE,
Philipp Zabelc566c782012-08-08 11:59:38 -0300[diff] [blame]2842 V4L2_MPEG_VIDEO_MULTI_SICE_MODE_MAX_BYTES, 0x0,
2843 V4L2_MPEG_VIDEO_MULTI_SLICE_MODE_SINGLE);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2844 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
2845 V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_MB, 1, 0x3fffffff, 1, 1);
Philipp Zabelc566c782012-08-08 11:59:38 -0300[diff] [blame]2846 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
2847 V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_BYTES, 1, 0x3fffffff, 1, 500);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2848 v4l2_ctrl_new_std_menu(&ctx->ctrls, &coda_ctrl_ops,
2849 V4L2_CID_MPEG_VIDEO_HEADER_MODE,
2850 V4L2_MPEG_VIDEO_HEADER_MODE_JOINED_WITH_1ST_FRAME,
2851 (1 << V4L2_MPEG_VIDEO_HEADER_MODE_SEPARATE),
2852 V4L2_MPEG_VIDEO_HEADER_MODE_JOINED_WITH_1ST_FRAME);
Philipp Zabelf38f79d2014-07-11 06:36:28 -0300[diff] [blame]2853 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
2854 V4L2_CID_MPEG_VIDEO_CYCLIC_INTRA_REFRESH_MB, 0, 1920 * 1088 / 256, 1, 0);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2855
2856 if (ctx->ctrls.error) {
2857 v4l2_err(&ctx->dev->v4l2_dev, "control initialization error (%d)",
2858 ctx->ctrls.error);
2859 return -EINVAL;
2860 }
2861
2862 return v4l2_ctrl_handler_setup(&ctx->ctrls);
2863}
2864
2865static int coda_queue_init(void *priv, struct vb2_queue *src_vq,
2866 struct vb2_queue *dst_vq)
2867{
2868 struct coda_ctx *ctx = priv;
2869 int ret;
2870
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2871 src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT;
Philipp Zabeld29a8cf2014-07-18 07:22:38 -0300[diff] [blame]2872 src_vq->io_modes = VB2_DMABUF | VB2_MMAP;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2873 src_vq->drv_priv = ctx;
2874 src_vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer);
2875 src_vq->ops = &coda_qops;
2876 src_vq->mem_ops = &vb2_dma_contig_memops;
Sakari Ailusade48682014-02-25 19:12:19 -0300[diff] [blame]2877 src_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
Philipp Zabel152ea1c2014-07-11 06:36:21 -0300[diff] [blame]2878 src_vq->lock = &ctx->dev->dev_mutex;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2879
2880 ret = vb2_queue_init(src_vq);
2881 if (ret)
2882 return ret;
2883
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2884 dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
Philipp Zabeld29a8cf2014-07-18 07:22:38 -0300[diff] [blame]2885 dst_vq->io_modes = VB2_DMABUF | VB2_MMAP;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2886 dst_vq->drv_priv = ctx;
2887 dst_vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer);
2888 dst_vq->ops = &coda_qops;
2889 dst_vq->mem_ops = &vb2_dma_contig_memops;
Sakari Ailusade48682014-02-25 19:12:19 -0300[diff] [blame]2890 dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
Philipp Zabel152ea1c2014-07-11 06:36:21 -0300[diff] [blame]2891 dst_vq->lock = &ctx->dev->dev_mutex;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2892
2893 return vb2_queue_init(dst_vq);
2894}
2895
Philipp Zabele11f3e62012-07-25 09:16:58 -0300[diff] [blame]2896static int coda_next_free_instance(struct coda_dev *dev)
2897{
Philipp Zabel0cddc7e2013-09-30 10:34:44 -0300[diff] [blame]2898 int idx = ffz(dev->instance_mask);
2899
2900 if ((idx < 0) ||
2901 (dev->devtype->product == CODA_DX6 && idx > CODADX6_MAX_INSTANCES))
2902 return -EBUSY;
2903
2904 return idx;
Philipp Zabele11f3e62012-07-25 09:16:58 -0300[diff] [blame]2905}
2906
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2907static int coda_open(struct file *file)
2908{
2909 struct coda_dev *dev = video_drvdata(file);
2910 struct coda_ctx *ctx = NULL;
Philipp Zabelf61c0b12014-07-11 06:36:40 -0300[diff] [blame]2911 char *name;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2912 int ret;
Philipp Zabele11f3e62012-07-25 09:16:58 -0300[diff] [blame]2913 int idx;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2914
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2915 ctx = kzalloc(sizeof *ctx, GFP_KERNEL);
2916 if (!ctx)
2917 return -ENOMEM;
2918
Fabio Estevamf82bc202013-08-21 11:14:16 -0300[diff] [blame]2919 idx = coda_next_free_instance(dev);
Philipp Zabel0cddc7e2013-09-30 10:34:44 -0300[diff] [blame]2920 if (idx < 0) {
2921 ret = idx;
Fabio Estevamf82bc202013-08-21 11:14:16 -0300[diff] [blame]2922 goto err_coda_max;
2923 }
2924 set_bit(idx, &dev->instance_mask);
2925
Philipp Zabelf61c0b12014-07-11 06:36:40 -0300[diff] [blame]2926 name = kasprintf(GFP_KERNEL, "context%d", idx);
2927 ctx->debugfs_entry = debugfs_create_dir(name, dev->debugfs_root);
2928 kfree(name);
2929
Philipp Zabel32b6f202014-07-11 06:36:20 -0300[diff] [blame]2930 init_completion(&ctx->completion);
2931 INIT_WORK(&ctx->pic_run_work, coda_pic_run_work);
2932 INIT_WORK(&ctx->seq_end_work, coda_seq_end_work);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2933 v4l2_fh_init(&ctx->fh, video_devdata(file));
2934 file->private_data = &ctx->fh;
2935 v4l2_fh_add(&ctx->fh);
2936 ctx->dev = dev;
Philipp Zabele11f3e62012-07-25 09:16:58 -0300[diff] [blame]2937 ctx->idx = idx;
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]2938 switch (dev->devtype->product) {
2939 case CODA_7541:
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]2940 case CODA_960:
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]2941 ctx->reg_idx = 0;
2942 break;
2943 default:
2944 ctx->reg_idx = idx;
2945 }
Fabio Estevamf82bc202013-08-21 11:14:16 -0300[diff] [blame]2946
Philipp Zabel1e172732014-07-11 06:36:23 -0300[diff] [blame]2947 /* Power up and upload firmware if necessary */
2948 ret = pm_runtime_get_sync(&dev->plat_dev->dev);
2949 if (ret < 0) {
2950 v4l2_err(&dev->v4l2_dev, "failed to power up: %d\n", ret);
2951 goto err_pm_get;
2952 }
2953
Fabio Estevam79830db2013-08-21 11:14:17 -0300[diff] [blame]2954 ret = clk_prepare_enable(dev->clk_per);
2955 if (ret)
2956 goto err_clk_per;
2957
2958 ret = clk_prepare_enable(dev->clk_ahb);
2959 if (ret)
2960 goto err_clk_ahb;
2961
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2962 set_default_params(ctx);
Philipp Zabel14604e32014-07-11 06:36:22 -0300[diff] [blame]2963 ctx->fh.m2m_ctx = v4l2_m2m_ctx_init(dev->m2m_dev, ctx,
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2964 &coda_queue_init);
Philipp Zabel14604e32014-07-11 06:36:22 -0300[diff] [blame]2965 if (IS_ERR(ctx->fh.m2m_ctx)) {
2966 ret = PTR_ERR(ctx->fh.m2m_ctx);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2967
2968 v4l2_err(&dev->v4l2_dev, "%s return error (%d)\n",
2969 __func__, ret);
Fabio Estevamf82bc202013-08-21 11:14:16 -0300[diff] [blame]2970 goto err_ctx_init;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2971 }
Philipp Zabel152ea1c2014-07-11 06:36:21 -0300[diff] [blame]2972
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2973 ret = coda_ctrls_setup(ctx);
2974 if (ret) {
2975 v4l2_err(&dev->v4l2_dev, "failed to setup coda controls\n");
Fabio Estevamf82bc202013-08-21 11:14:16 -0300[diff] [blame]2976 goto err_ctrls_setup;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2977 }
2978
2979 ctx->fh.ctrl_handler = &ctx->ctrls;
2980
Philipp Zabelf61c0b12014-07-11 06:36:40 -0300[diff] [blame]2981 ret = coda_alloc_context_buf(ctx, &ctx->parabuf, CODA_PARA_BUF_SIZE,
2982 "parabuf");
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]2983 if (ret < 0) {
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2984 v4l2_err(&dev->v4l2_dev, "failed to allocate parabuf");
Fabio Estevamf82bc202013-08-21 11:14:16 -0300[diff] [blame]2985 goto err_dma_alloc;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2986 }
2987
Philipp Zabel9082a7c2013-06-21 03:55:31 -0300[diff] [blame]2988 ctx->bitstream.size = CODA_MAX_FRAME_SIZE;
2989 ctx->bitstream.vaddr = dma_alloc_writecombine(&dev->plat_dev->dev,
2990 ctx->bitstream.size, &ctx->bitstream.paddr, GFP_KERNEL);
2991 if (!ctx->bitstream.vaddr) {
2992 v4l2_err(&dev->v4l2_dev, "failed to allocate bitstream ringbuffer");
2993 ret = -ENOMEM;
Fabio Estevamf82bc202013-08-21 11:14:16 -0300[diff] [blame]2994 goto err_dma_writecombine;
Philipp Zabel9082a7c2013-06-21 03:55:31 -0300[diff] [blame]2995 }
2996 kfifo_init(&ctx->bitstream_fifo,
2997 ctx->bitstream.vaddr, ctx->bitstream.size);
2998 mutex_init(&ctx->bitstream_mutex);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2999 mutex_init(&ctx->buffer_mutex);
Philipp Zabel846ced92014-07-11 06:36:31 -0300[diff] [blame]3000 INIT_LIST_HEAD(&ctx->timestamp_list);
Philipp Zabel9082a7c2013-06-21 03:55:31 -0300[diff] [blame]3001
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3002 coda_lock(ctx);
Philipp Zabele11f3e62012-07-25 09:16:58 -0300[diff] [blame]3003 list_add(&ctx->list, &dev->instances);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3004 coda_unlock(ctx);
3005
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3006 v4l2_dbg(1, coda_debug, &dev->v4l2_dev, "Created instance %d (%p)\n",
3007 ctx->idx, ctx);
3008
3009 return 0;
3010
Fabio Estevamf82bc202013-08-21 11:14:16 -0300[diff] [blame]3011err_dma_writecombine:
3012 coda_free_context_buffers(ctx);
3013 if (ctx->dev->devtype->product == CODA_DX6)
3014 coda_free_aux_buf(dev, &ctx->workbuf);
3015 coda_free_aux_buf(dev, &ctx->parabuf);
3016err_dma_alloc:
3017 v4l2_ctrl_handler_free(&ctx->ctrls);
3018err_ctrls_setup:
Philipp Zabel14604e32014-07-11 06:36:22 -0300[diff] [blame]3019 v4l2_m2m_ctx_release(ctx->fh.m2m_ctx);
Fabio Estevamf82bc202013-08-21 11:14:16 -0300[diff] [blame]3020err_ctx_init:
3021 clk_disable_unprepare(dev->clk_ahb);
Fabio Estevam79830db2013-08-21 11:14:17 -0300[diff] [blame]3022err_clk_ahb:
Fabio Estevamf82bc202013-08-21 11:14:16 -0300[diff] [blame]3023 clk_disable_unprepare(dev->clk_per);
Fabio Estevam79830db2013-08-21 11:14:17 -0300[diff] [blame]3024err_clk_per:
Philipp Zabel1e172732014-07-11 06:36:23 -0300[diff] [blame]3025 pm_runtime_put_sync(&dev->plat_dev->dev);
3026err_pm_get:
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3027 v4l2_fh_del(&ctx->fh);
3028 v4l2_fh_exit(&ctx->fh);
Fabio Estevamf82bc202013-08-21 11:14:16 -0300[diff] [blame]3029 clear_bit(ctx->idx, &dev->instance_mask);
3030err_coda_max:
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3031 kfree(ctx);
3032 return ret;
3033}
3034
3035static int coda_release(struct file *file)
3036{
3037 struct coda_dev *dev = video_drvdata(file);
3038 struct coda_ctx *ctx = fh_to_ctx(file->private_data);
3039
3040 v4l2_dbg(1, coda_debug, &dev->v4l2_dev, "Releasing instance %p\n",
3041 ctx);
3042
Philipp Zabelf61c0b12014-07-11 06:36:40 -0300[diff] [blame]3043 debugfs_remove_recursive(ctx->debugfs_entry);
3044
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]3045 /* If this instance is running, call .job_abort and wait for it to end */
Philipp Zabel14604e32014-07-11 06:36:22 -0300[diff] [blame]3046 v4l2_m2m_ctx_release(ctx->fh.m2m_ctx);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]3047
3048 /* In case the instance was not running, we still need to call SEQ_END */
Philipp Zabel32b6f202014-07-11 06:36:20 -0300[diff] [blame]3049 if (ctx->initialized) {
3050 queue_work(dev->workqueue, &ctx->seq_end_work);
3051 flush_work(&ctx->seq_end_work);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]3052 }
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]3053
3054 coda_free_framebuffers(ctx);
3055
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3056 coda_lock(ctx);
Philipp Zabele11f3e62012-07-25 09:16:58 -0300[diff] [blame]3057 list_del(&ctx->list);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3058 coda_unlock(ctx);
3059
Philipp Zabel9082a7c2013-06-21 03:55:31 -0300[diff] [blame]3060 dma_free_writecombine(&dev->plat_dev->dev, ctx->bitstream.size,
3061 ctx->bitstream.vaddr, ctx->bitstream.paddr);
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]3062 coda_free_context_buffers(ctx);
3063 if (ctx->dev->devtype->product == CODA_DX6)
3064 coda_free_aux_buf(dev, &ctx->workbuf);
3065
3066 coda_free_aux_buf(dev, &ctx->parabuf);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3067 v4l2_ctrl_handler_free(&ctx->ctrls);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3068 clk_disable_unprepare(dev->clk_ahb);
Fabio Estevamf82bc202013-08-21 11:14:16 -0300[diff] [blame]3069 clk_disable_unprepare(dev->clk_per);
Philipp Zabel1e172732014-07-11 06:36:23 -0300[diff] [blame]3070 pm_runtime_put_sync(&dev->plat_dev->dev);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3071 v4l2_fh_del(&ctx->fh);
3072 v4l2_fh_exit(&ctx->fh);
Philipp Zabele11f3e62012-07-25 09:16:58 -0300[diff] [blame]3073 clear_bit(ctx->idx, &dev->instance_mask);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3074 kfree(ctx);
3075
3076 return 0;
3077}
3078
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3079static const struct v4l2_file_operations coda_fops = {
3080 .owner = THIS_MODULE,
3081 .open = coda_open,
3082 .release = coda_release,
Philipp Zabel152ea1c2014-07-11 06:36:21 -0300[diff] [blame]3083 .poll = v4l2_m2m_fop_poll,
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3084 .unlocked_ioctl = video_ioctl2,
Philipp Zabel152ea1c2014-07-11 06:36:21 -0300[diff] [blame]3085 .mmap = v4l2_m2m_fop_mmap,
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3086};
3087
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]3088static void coda_finish_decode(struct coda_ctx *ctx)
3089{
3090 struct coda_dev *dev = ctx->dev;
3091 struct coda_q_data *q_data_src;
3092 struct coda_q_data *q_data_dst;
3093 struct vb2_buffer *dst_buf;
Philipp Zabel846ced92014-07-11 06:36:31 -0300[diff] [blame]3094 struct coda_timestamp *ts;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]3095 int width, height;
3096 int decoded_idx;
3097 int display_idx;
3098 u32 src_fourcc;
3099 int success;
Philipp Zabel410e5e42014-07-11 06:36:32 -0300[diff] [blame]3100 u32 err_mb;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]3101 u32 val;
3102
Philipp Zabel14604e32014-07-11 06:36:22 -0300[diff] [blame]3103 dst_buf = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]3104
3105 /* Update kfifo out pointer from coda bitstream read pointer */
3106 coda_kfifo_sync_from_device(ctx);
3107
3108 /*
3109 * in stream-end mode, the read pointer can overshoot the write pointer
3110 * by up to 512 bytes
3111 */
3112 if (ctx->bit_stream_param & CODA_BIT_STREAM_END_FLAG) {
Michael Olbrich390503b2014-07-18 07:22:39 -0300[diff] [blame]3113 if (coda_get_bitstream_payload(ctx) >= CODA_MAX_FRAME_SIZE - 512)
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]3114 kfifo_init(&ctx->bitstream_fifo,
3115 ctx->bitstream.vaddr, ctx->bitstream.size);
3116 }
3117
3118 q_data_src = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
3119 src_fourcc = q_data_src->fourcc;
3120
3121 val = coda_read(dev, CODA_RET_DEC_PIC_SUCCESS);
3122 if (val != 1)
3123 pr_err("DEC_PIC_SUCCESS = %d\n", val);
3124
3125 success = val & 0x1;
3126 if (!success)
3127 v4l2_err(&dev->v4l2_dev, "decode failed\n");
3128
3129 if (src_fourcc == V4L2_PIX_FMT_H264) {
3130 if (val & (1 << 3))
3131 v4l2_err(&dev->v4l2_dev,
3132 "insufficient PS buffer space (%d bytes)\n",
3133 ctx->psbuf.size);
3134 if (val & (1 << 2))
3135 v4l2_err(&dev->v4l2_dev,
3136 "insufficient slice buffer space (%d bytes)\n",
3137 ctx->slicebuf.size);
3138 }
3139
3140 val = coda_read(dev, CODA_RET_DEC_PIC_SIZE);
3141 width = (val >> 16) & 0xffff;
3142 height = val & 0xffff;
3143
3144 q_data_dst = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
3145
Philipp Zabel52c41672014-07-11 06:36:19 -0300[diff] [blame]3146 /* frame crop information */
3147 if (src_fourcc == V4L2_PIX_FMT_H264) {
3148 u32 left_right;
3149 u32 top_bottom;
3150
3151 left_right = coda_read(dev, CODA_RET_DEC_PIC_CROP_LEFT_RIGHT);
3152 top_bottom = coda_read(dev, CODA_RET_DEC_PIC_CROP_TOP_BOTTOM);
3153
3154 if (left_right == 0xffffffff && top_bottom == 0xffffffff) {
3155 /* Keep current crop information */
3156 } else {
3157 struct v4l2_rect *rect = &q_data_dst->rect;
3158
3159 rect->left = left_right >> 16 & 0xffff;
3160 rect->top = top_bottom >> 16 & 0xffff;
3161 rect->width = width - rect->left -
3162 (left_right & 0xffff);
3163 rect->height = height - rect->top -
3164 (top_bottom & 0xffff);
3165 }
3166 } else {
3167 /* no cropping */
3168 }
3169
Philipp Zabel410e5e42014-07-11 06:36:32 -0300[diff] [blame]3170 err_mb = coda_read(dev, CODA_RET_DEC_PIC_ERR_MB);
3171 if (err_mb > 0)
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]3172 v4l2_err(&dev->v4l2_dev,
Philipp Zabel410e5e42014-07-11 06:36:32 -0300[diff] [blame]3173 "errors in %d macroblocks\n", err_mb);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]3174
3175 if (dev->devtype->product == CODA_7541) {
3176 val = coda_read(dev, CODA_RET_DEC_PIC_OPTION);
3177 if (val == 0) {
3178 /* not enough bitstream data */
3179 v4l2_dbg(1, coda_debug, &dev->v4l2_dev,
3180 "prescan failed: %d\n", val);
Philipp Zabel84e23652014-07-11 06:36:34 -0300[diff] [blame]3181 ctx->hold = true;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]3182 return;
3183 }
3184 }
3185
3186 ctx->frm_dis_flg = coda_read(dev, CODA_REG_BIT_FRM_DIS_FLG(ctx->reg_idx));
3187
3188 /*
3189 * The previous display frame was copied out by the rotator,
3190 * now it can be overwritten again
3191 */
3192 if (ctx->display_idx >= 0 &&
3193 ctx->display_idx < ctx->num_internal_frames) {
3194 ctx->frm_dis_flg &= ~(1 << ctx->display_idx);
3195 coda_write(dev, ctx->frm_dis_flg,
3196 CODA_REG_BIT_FRM_DIS_FLG(ctx->reg_idx));
3197 }
3198
3199 /*
3200 * The index of the last decoded frame, not necessarily in
3201 * display order, and the index of the next display frame.
3202 * The latter could have been decoded in a previous run.
3203 */
3204 decoded_idx = coda_read(dev, CODA_RET_DEC_PIC_CUR_IDX);
3205 display_idx = coda_read(dev, CODA_RET_DEC_PIC_FRAME_IDX);
3206
3207 if (decoded_idx == -1) {
3208 /* no frame was decoded, but we might have a display frame */
Philipp Zabelcb2c0282014-07-11 06:36:33 -0300[diff] [blame]3209 if (display_idx >= 0 && display_idx < ctx->num_internal_frames)
3210 ctx->sequence_offset++;
3211 else if (ctx->display_idx < 0)
Philipp Zabel84e23652014-07-11 06:36:34 -0300[diff] [blame]3212 ctx->hold = true;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]3213 } else if (decoded_idx == -2) {
3214 /* no frame was decoded, we still return the remaining buffers */
3215 } else if (decoded_idx < 0 || decoded_idx >= ctx->num_internal_frames) {
3216 v4l2_err(&dev->v4l2_dev,
3217 "decoded frame index out of range: %d\n", decoded_idx);
Philipp Zabel1a8b3812014-07-11 06:36:12 -0300[diff] [blame]3218 } else {
Philipp Zabel846ced92014-07-11 06:36:31 -0300[diff] [blame]3219 ts = list_first_entry(&ctx->timestamp_list,
3220 struct coda_timestamp, list);
3221 list_del(&ts->list);
3222 val = coda_read(dev, CODA_RET_DEC_PIC_FRAME_NUM) - 1;
Philipp Zabelcb2c0282014-07-11 06:36:33 -0300[diff] [blame]3223 val -= ctx->sequence_offset;
3224 if (val != (ts->sequence & 0xffff)) {
Philipp Zabel846ced92014-07-11 06:36:31 -0300[diff] [blame]3225 v4l2_err(&dev->v4l2_dev,
Philipp Zabelcb2c0282014-07-11 06:36:33 -0300[diff] [blame]3226 "sequence number mismatch (%d(%d) != %d)\n",
3227 val, ctx->sequence_offset, ts->sequence);
Philipp Zabel846ced92014-07-11 06:36:31 -0300[diff] [blame]3228 }
3229 ctx->frame_timestamps[decoded_idx] = *ts;
3230 kfree(ts);
3231
Philipp Zabel1a8b3812014-07-11 06:36:12 -0300[diff] [blame]3232 val = coda_read(dev, CODA_RET_DEC_PIC_TYPE) & 0x7;
3233 if (val == 0)
3234 ctx->frame_types[decoded_idx] = V4L2_BUF_FLAG_KEYFRAME;
3235 else if (val == 1)
3236 ctx->frame_types[decoded_idx] = V4L2_BUF_FLAG_PFRAME;
3237 else
3238 ctx->frame_types[decoded_idx] = V4L2_BUF_FLAG_BFRAME;
Philipp Zabel410e5e42014-07-11 06:36:32 -0300[diff] [blame]3239
3240 ctx->frame_errors[decoded_idx] = err_mb;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]3241 }
3242
3243 if (display_idx == -1) {
3244 /*
3245 * no more frames to be decoded, but there could still
3246 * be rotator output to dequeue
3247 */
Philipp Zabel84e23652014-07-11 06:36:34 -0300[diff] [blame]3248 ctx->hold = true;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]3249 } else if (display_idx == -3) {
3250 /* possibly prescan failure */
3251 } else if (display_idx < 0 || display_idx >= ctx->num_internal_frames) {
3252 v4l2_err(&dev->v4l2_dev,
3253 "presentation frame index out of range: %d\n",
3254 display_idx);
3255 }
3256
3257 /* If a frame was copied out, return it */
3258 if (ctx->display_idx >= 0 &&
3259 ctx->display_idx < ctx->num_internal_frames) {
Philipp Zabel14604e32014-07-11 06:36:22 -0300[diff] [blame]3260 dst_buf = v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]3261 dst_buf->v4l2_buf.sequence = ctx->osequence++;
3262
Philipp Zabel1a8b3812014-07-11 06:36:12 -0300[diff] [blame]3263 dst_buf->v4l2_buf.flags &= ~(V4L2_BUF_FLAG_KEYFRAME |
3264 V4L2_BUF_FLAG_PFRAME |
3265 V4L2_BUF_FLAG_BFRAME);
3266 dst_buf->v4l2_buf.flags |= ctx->frame_types[ctx->display_idx];
Philipp Zabel846ced92014-07-11 06:36:31 -0300[diff] [blame]3267 ts = &ctx->frame_timestamps[ctx->display_idx];
3268 dst_buf->v4l2_buf.timecode = ts->timecode;
3269 dst_buf->v4l2_buf.timestamp = ts->timestamp;
Philipp Zabel1a8b3812014-07-11 06:36:12 -0300[diff] [blame]3270
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]3271 vb2_set_plane_payload(dst_buf, 0, width * height * 3 / 2);
3272
Philipp Zabel410e5e42014-07-11 06:36:32 -0300[diff] [blame]3273 v4l2_m2m_buf_done(dst_buf, ctx->frame_errors[display_idx] ?
3274 VB2_BUF_STATE_ERROR : VB2_BUF_STATE_DONE);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]3275
3276 v4l2_dbg(1, coda_debug, &dev->v4l2_dev,
3277 "job finished: decoding frame (%d) (%s)\n",
3278 dst_buf->v4l2_buf.sequence,
3279 (dst_buf->v4l2_buf.flags & V4L2_BUF_FLAG_KEYFRAME) ?
3280 "KEYFRAME" : "PFRAME");
3281 } else {
3282 v4l2_dbg(1, coda_debug, &dev->v4l2_dev,
3283 "job finished: no frame decoded\n");
3284 }
3285
3286 /* The rotator will copy the current display frame next time */
3287 ctx->display_idx = display_idx;
3288}
3289
3290static void coda_finish_encode(struct coda_ctx *ctx)
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3291{
Philipp Zabelec25f682012-07-20 08:54:29 -0300[diff] [blame]3292 struct vb2_buffer *src_buf, *dst_buf;
Philipp Zabel477c1cf2013-06-21 03:55:33 -0300[diff] [blame]3293 struct coda_dev *dev = ctx->dev;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3294 u32 wr_ptr, start_ptr;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3295
Philipp Zabel14604e32014-07-11 06:36:22 -0300[diff] [blame]3296 src_buf = v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx);
3297 dst_buf = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3298
3299 /* Get results from the coda */
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3300 start_ptr = coda_read(dev, CODA_CMD_ENC_PIC_BB_START);
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]3301 wr_ptr = coda_read(dev, CODA_REG_BIT_WR_PTR(ctx->reg_idx));
3302
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3303 /* Calculate bytesused field */
3304 if (dst_buf->v4l2_buf.sequence == 0) {
Philipp Zabel366108f2013-06-21 03:55:27 -0300[diff] [blame]3305 vb2_set_plane_payload(dst_buf, 0, wr_ptr - start_ptr +
3306 ctx->vpu_header_size[0] +
3307 ctx->vpu_header_size[1] +
3308 ctx->vpu_header_size[2]);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3309 } else {
Philipp Zabel366108f2013-06-21 03:55:27 -0300[diff] [blame]3310 vb2_set_plane_payload(dst_buf, 0, wr_ptr - start_ptr);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3311 }
3312
3313 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev, "frame size = %u\n",
3314 wr_ptr - start_ptr);
3315
3316 coda_read(dev, CODA_RET_ENC_PIC_SLICE_NUM);
3317 coda_read(dev, CODA_RET_ENC_PIC_FLAG);
3318
Philipp Zabel51660282013-09-30 10:34:49 -0300[diff] [blame]3319 if (coda_read(dev, CODA_RET_ENC_PIC_TYPE) == 0) {
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3320 dst_buf->v4l2_buf.flags |= V4L2_BUF_FLAG_KEYFRAME;
3321 dst_buf->v4l2_buf.flags &= ~V4L2_BUF_FLAG_PFRAME;
3322 } else {
3323 dst_buf->v4l2_buf.flags |= V4L2_BUF_FLAG_PFRAME;
3324 dst_buf->v4l2_buf.flags &= ~V4L2_BUF_FLAG_KEYFRAME;
3325 }
3326
Kamil Debskiccd571c2013-04-24 10:38:24 -0300[diff] [blame]3327 dst_buf->v4l2_buf.timestamp = src_buf->v4l2_buf.timestamp;
Sakari Ailus309f4d62014-02-08 14:21:35 -0300[diff] [blame]3328 dst_buf->v4l2_buf.flags &= ~V4L2_BUF_FLAG_TSTAMP_SRC_MASK;
3329 dst_buf->v4l2_buf.flags |=
3330 src_buf->v4l2_buf.flags & V4L2_BUF_FLAG_TSTAMP_SRC_MASK;
Kamil Debskiccd571c2013-04-24 10:38:24 -0300[diff] [blame]3331 dst_buf->v4l2_buf.timecode = src_buf->v4l2_buf.timecode;
3332
Philipp Zabelec25f682012-07-20 08:54:29 -0300[diff] [blame]3333 v4l2_m2m_buf_done(src_buf, VB2_BUF_STATE_DONE);
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]3334
Philipp Zabel14604e32014-07-11 06:36:22 -0300[diff] [blame]3335 dst_buf = v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3336 v4l2_m2m_buf_done(dst_buf, VB2_BUF_STATE_DONE);
3337
3338 ctx->gopcounter--;
3339 if (ctx->gopcounter < 0)
3340 ctx->gopcounter = ctx->params.gop_size - 1;
3341
3342 v4l2_dbg(1, coda_debug, &dev->v4l2_dev,
3343 "job finished: encoding frame (%d) (%s)\n",
3344 dst_buf->v4l2_buf.sequence,
3345 (dst_buf->v4l2_buf.flags & V4L2_BUF_FLAG_KEYFRAME) ?
3346 "KEYFRAME" : "PFRAME");
Philipp Zabel477c1cf2013-06-21 03:55:33 -0300[diff] [blame]3347}
3348
3349static irqreturn_t coda_irq_handler(int irq, void *data)
3350{
3351 struct coda_dev *dev = data;
3352 struct coda_ctx *ctx;
3353
Philipp Zabel477c1cf2013-06-21 03:55:33 -0300[diff] [blame]3354 /* read status register to attend the IRQ */
3355 coda_read(dev, CODA_REG_BIT_INT_STATUS);
3356 coda_write(dev, CODA_REG_BIT_INT_CLEAR_SET,
3357 CODA_REG_BIT_INT_CLEAR);
3358
3359 ctx = v4l2_m2m_get_curr_priv(dev->m2m_dev);
3360 if (ctx == NULL) {
3361 v4l2_err(&dev->v4l2_dev, "Instance released before the end of transaction\n");
3362 mutex_unlock(&dev->coda_mutex);
3363 return IRQ_HANDLED;
3364 }
3365
3366 if (ctx->aborting) {
3367 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
3368 "task has been aborted\n");
Philipp Zabel477c1cf2013-06-21 03:55:33 -0300[diff] [blame]3369 }
3370
3371 if (coda_isbusy(ctx->dev)) {
3372 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
3373 "coda is still busy!!!!\n");
3374 return IRQ_NONE;
3375 }
3376
Philipp Zabel32b6f202014-07-11 06:36:20 -0300[diff] [blame]3377 complete(&ctx->completion);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3378
3379 return IRQ_HANDLED;
3380}
3381
3382static u32 coda_supported_firmwares[] = {
3383 CODA_FIRMWARE_VERNUM(CODA_DX6, 2, 2, 5),
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]3384 CODA_FIRMWARE_VERNUM(CODA_7541, 1, 4, 50),
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]3385 CODA_FIRMWARE_VERNUM(CODA_960, 2, 1, 5),
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3386};
3387
3388static bool coda_firmware_supported(u32 vernum)
3389{
3390 int i;
3391
3392 for (i = 0; i < ARRAY_SIZE(coda_supported_firmwares); i++)
3393 if (vernum == coda_supported_firmwares[i])
3394 return true;
3395 return false;
3396}
3397
Philipp Zabel87048bb2012-07-02 07:03:43 -0300[diff] [blame]3398static int coda_hw_init(struct coda_dev *dev)
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3399{
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3400 u32 data;
3401 u16 *p;
Fabio Estevam79830db2013-08-21 11:14:17 -0300[diff] [blame]3402 int i, ret;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3403
Fabio Estevam79830db2013-08-21 11:14:17 -0300[diff] [blame]3404 ret = clk_prepare_enable(dev->clk_per);
3405 if (ret)
Philipp Zabel1e172732014-07-11 06:36:23 -0300[diff] [blame]3406 goto err_clk_per;
Fabio Estevam79830db2013-08-21 11:14:17 -0300[diff] [blame]3407
3408 ret = clk_prepare_enable(dev->clk_ahb);
3409 if (ret)
3410 goto err_clk_ahb;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3411
Philipp Zabel8f452842014-07-11 06:36:35 -0300[diff] [blame]3412 if (dev->rstc)
3413 reset_control_reset(dev->rstc);
3414
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3415 /*
3416 * Copy the first CODA_ISRAM_SIZE in the internal SRAM.
Philipp Zabel87048bb2012-07-02 07:03:43 -0300[diff] [blame]3417 * The 16-bit chars in the code buffer are in memory access
3418 * order, re-sort them to CODA order for register download.
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3419 * Data in this SRAM survives a reboot.
3420 */
Philipp Zabel87048bb2012-07-02 07:03:43 -0300[diff] [blame]3421 p = (u16 *)dev->codebuf.vaddr;
3422 if (dev->devtype->product == CODA_DX6) {
3423 for (i = 0; i < (CODA_ISRAM_SIZE / 2); i++) {
3424 data = CODA_DOWN_ADDRESS_SET(i) |
3425 CODA_DOWN_DATA_SET(p[i ^ 1]);
3426 coda_write(dev, data, CODA_REG_BIT_CODE_DOWN);
3427 }
3428 } else {
3429 for (i = 0; i < (CODA_ISRAM_SIZE / 2); i++) {
3430 data = CODA_DOWN_ADDRESS_SET(i) |
3431 CODA_DOWN_DATA_SET(p[round_down(i, 4) +
3432 3 - (i % 4)]);
3433 coda_write(dev, data, CODA_REG_BIT_CODE_DOWN);
3434 }
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3435 }
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3436
Philipp Zabel9acf7692013-05-23 10:42:56 -0300[diff] [blame]3437 /* Clear registers */
3438 for (i = 0; i < 64; i++)
3439 coda_write(dev, 0, CODA_REG_BIT_CODE_BUF_ADDR + i * 4);
3440
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3441 /* Tell the BIT where to find everything it needs */
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]3442 if (dev->devtype->product == CODA_960 ||
3443 dev->devtype->product == CODA_7541) {
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]3444 coda_write(dev, dev->tempbuf.paddr,
3445 CODA_REG_BIT_TEMP_BUF_ADDR);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]3446 coda_write(dev, 0, CODA_REG_BIT_BIT_STREAM_PARAM);
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]3447 } else {
3448 coda_write(dev, dev->workbuf.paddr,
3449 CODA_REG_BIT_WORK_BUF_ADDR);
3450 }
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3451 coda_write(dev, dev->codebuf.paddr,
3452 CODA_REG_BIT_CODE_BUF_ADDR);
3453 coda_write(dev, 0, CODA_REG_BIT_CODE_RUN);
3454
3455 /* Set default values */
3456 switch (dev->devtype->product) {
3457 case CODA_DX6:
3458 coda_write(dev, CODADX6_STREAM_BUF_PIC_FLUSH, CODA_REG_BIT_STREAM_CTRL);
3459 break;
3460 default:
3461 coda_write(dev, CODA7_STREAM_BUF_PIC_FLUSH, CODA_REG_BIT_STREAM_CTRL);
3462 }
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]3463 if (dev->devtype->product == CODA_960)
3464 coda_write(dev, 1 << 12, CODA_REG_BIT_FRAME_MEM_CTRL);
3465 else
3466 coda_write(dev, 0, CODA_REG_BIT_FRAME_MEM_CTRL);
Philipp Zabel10436672012-07-02 09:03:55 -0300[diff] [blame]3467
3468 if (dev->devtype->product != CODA_DX6)
3469 coda_write(dev, 0, CODA7_REG_BIT_AXI_SRAM_USE);
3470
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3471 coda_write(dev, CODA_INT_INTERRUPT_ENABLE,
3472 CODA_REG_BIT_INT_ENABLE);
3473
3474 /* Reset VPU and start processor */
3475 data = coda_read(dev, CODA_REG_BIT_CODE_RESET);
3476 data |= CODA_REG_RESET_ENABLE;
3477 coda_write(dev, data, CODA_REG_BIT_CODE_RESET);
3478 udelay(10);
3479 data &= ~CODA_REG_RESET_ENABLE;
3480 coda_write(dev, data, CODA_REG_BIT_CODE_RESET);
3481 coda_write(dev, CODA_REG_RUN_ENABLE, CODA_REG_BIT_CODE_RUN);
3482
Philipp Zabelfe7554e2014-07-11 06:36:24 -0300[diff] [blame]3483 clk_disable_unprepare(dev->clk_ahb);
3484 clk_disable_unprepare(dev->clk_per);
3485
3486 return 0;
3487
3488err_clk_ahb:
3489 clk_disable_unprepare(dev->clk_per);
3490err_clk_per:
3491 return ret;
3492}
3493
3494static int coda_check_firmware(struct coda_dev *dev)
3495{
3496 u16 product, major, minor, release;
3497 u32 data;
3498 int ret;
3499
3500 ret = clk_prepare_enable(dev->clk_per);
3501 if (ret)
3502 goto err_clk_per;
3503
3504 ret = clk_prepare_enable(dev->clk_ahb);
3505 if (ret)
3506 goto err_clk_ahb;
3507
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3508 coda_write(dev, 0, CODA_CMD_FIRMWARE_VERNUM);
3509 coda_write(dev, CODA_REG_BIT_BUSY_FLAG, CODA_REG_BIT_BUSY);
3510 coda_write(dev, 0, CODA_REG_BIT_RUN_INDEX);
3511 coda_write(dev, 0, CODA_REG_BIT_RUN_COD_STD);
3512 coda_write(dev, CODA_COMMAND_FIRMWARE_GET, CODA_REG_BIT_RUN_COMMAND);
3513 if (coda_wait_timeout(dev)) {
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3514 v4l2_err(&dev->v4l2_dev, "firmware get command error\n");
Philipp Zabelfe7554e2014-07-11 06:36:24 -0300[diff] [blame]3515 ret = -EIO;
3516 goto err_run_cmd;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3517 }
3518
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]3519 if (dev->devtype->product == CODA_960) {
3520 data = coda_read(dev, CODA9_CMD_FIRMWARE_CODE_REV);
3521 v4l2_info(&dev->v4l2_dev, "Firmware code revision: %d\n",
3522 data);
3523 }
3524
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3525 /* Check we are compatible with the loaded firmware */
3526 data = coda_read(dev, CODA_CMD_FIRMWARE_VERNUM);
3527 product = CODA_FIRMWARE_PRODUCT(data);
3528 major = CODA_FIRMWARE_MAJOR(data);
3529 minor = CODA_FIRMWARE_MINOR(data);
3530 release = CODA_FIRMWARE_RELEASE(data);
3531
3532 clk_disable_unprepare(dev->clk_per);
3533 clk_disable_unprepare(dev->clk_ahb);
3534
3535 if (product != dev->devtype->product) {
3536 v4l2_err(&dev->v4l2_dev, "Wrong firmware. Hw: %s, Fw: %s,"
3537 " Version: %u.%u.%u\n",
3538 coda_product_name(dev->devtype->product),
3539 coda_product_name(product), major, minor, release);
3540 return -EINVAL;
3541 }
3542
3543 v4l2_info(&dev->v4l2_dev, "Initialized %s.\n",
3544 coda_product_name(product));
3545
3546 if (coda_firmware_supported(data)) {
3547 v4l2_info(&dev->v4l2_dev, "Firmware version: %u.%u.%u\n",
3548 major, minor, release);
3549 } else {
3550 v4l2_warn(&dev->v4l2_dev, "Unsupported firmware version: "
3551 "%u.%u.%u\n", major, minor, release);
3552 }
3553
3554 return 0;
Fabio Estevam79830db2013-08-21 11:14:17 -0300[diff] [blame]3555
Philipp Zabelfe7554e2014-07-11 06:36:24 -0300[diff] [blame]3556err_run_cmd:
3557 clk_disable_unprepare(dev->clk_ahb);
Fabio Estevam79830db2013-08-21 11:14:17 -0300[diff] [blame]3558err_clk_ahb:
3559 clk_disable_unprepare(dev->clk_per);
Philipp Zabel1e172732014-07-11 06:36:23 -0300[diff] [blame]3560err_clk_per:
Fabio Estevam79830db2013-08-21 11:14:17 -0300[diff] [blame]3561 return ret;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3562}
3563
3564static void coda_fw_callback(const struct firmware *fw, void *context)
3565{
3566 struct coda_dev *dev = context;
3567 struct platform_device *pdev = dev->plat_dev;
3568 int ret;
3569
3570 if (!fw) {
3571 v4l2_err(&dev->v4l2_dev, "firmware request failed\n");
3572 return;
3573 }
3574
3575 /* allocate auxiliary per-device code buffer for the BIT processor */
Philipp Zabelf61c0b12014-07-11 06:36:40 -0300[diff] [blame]3576 ret = coda_alloc_aux_buf(dev, &dev->codebuf, fw->size, "codebuf",
3577 dev->debugfs_root);
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]3578 if (ret < 0) {
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3579 dev_err(&pdev->dev, "failed to allocate code buffer\n");
3580 return;
3581 }
3582
Philipp Zabel87048bb2012-07-02 07:03:43 -0300[diff] [blame]3583 /* Copy the whole firmware image to the code buffer */
3584 memcpy(dev->codebuf.vaddr, fw->data, fw->size);
3585 release_firmware(fw);
3586
Philipp Zabel1e172732014-07-11 06:36:23 -0300[diff] [blame]3587 if (pm_runtime_enabled(&pdev->dev) && pdev->dev.pm_domain) {
3588 /*
3589 * Enabling power temporarily will cause coda_hw_init to be
3590 * called via coda_runtime_resume by the pm domain.
3591 */
3592 ret = pm_runtime_get_sync(&dev->plat_dev->dev);
3593 if (ret < 0) {
3594 v4l2_err(&dev->v4l2_dev, "failed to power on: %d\n",
3595 ret);
3596 return;
3597 }
3598
Philipp Zabelfe7554e2014-07-11 06:36:24 -0300[diff] [blame]3599 ret = coda_check_firmware(dev);
3600 if (ret < 0)
3601 return;
3602
Philipp Zabel1e172732014-07-11 06:36:23 -0300[diff] [blame]3603 pm_runtime_put_sync(&dev->plat_dev->dev);
3604 } else {
3605 /*
3606 * If runtime pm is disabled or pm_domain is not set,
3607 * initialize once manually.
3608 */
3609 ret = coda_hw_init(dev);
3610 if (ret < 0) {
3611 v4l2_err(&dev->v4l2_dev, "HW initialization failed\n");
3612 return;
3613 }
Philipp Zabelfe7554e2014-07-11 06:36:24 -0300[diff] [blame]3614
3615 ret = coda_check_firmware(dev);
3616 if (ret < 0)
3617 return;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3618 }
3619
3620 dev->vfd.fops = &coda_fops,
3621 dev->vfd.ioctl_ops = &coda_ioctl_ops;
3622 dev->vfd.release = video_device_release_empty,
3623 dev->vfd.lock = &dev->dev_mutex;
3624 dev->vfd.v4l2_dev = &dev->v4l2_dev;
Hans Verkuil954f3402012-09-05 06:05:50 -0300[diff] [blame]3625 dev->vfd.vfl_dir = VFL_DIR_M2M;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3626 snprintf(dev->vfd.name, sizeof(dev->vfd.name), "%s", CODA_NAME);
3627 video_set_drvdata(&dev->vfd, dev);
3628
3629 dev->alloc_ctx = vb2_dma_contig_init_ctx(&pdev->dev);
3630 if (IS_ERR(dev->alloc_ctx)) {
3631 v4l2_err(&dev->v4l2_dev, "Failed to alloc vb2 context\n");
3632 return;
3633 }
3634
3635 dev->m2m_dev = v4l2_m2m_init(&coda_m2m_ops);
3636 if (IS_ERR(dev->m2m_dev)) {
3637 v4l2_err(&dev->v4l2_dev, "Failed to init mem2mem device\n");
3638 goto rel_ctx;
3639 }
3640
3641 ret = video_register_device(&dev->vfd, VFL_TYPE_GRABBER, 0);
3642 if (ret) {
3643 v4l2_err(&dev->v4l2_dev, "Failed to register video device\n");
3644 goto rel_m2m;
3645 }
3646 v4l2_info(&dev->v4l2_dev, "codec registered as /dev/video%d\n",
3647 dev->vfd.num);
3648
3649 return;
3650
3651rel_m2m:
3652 v4l2_m2m_release(dev->m2m_dev);
3653rel_ctx:
3654 vb2_dma_contig_cleanup_ctx(dev->alloc_ctx);
3655}
3656
3657static int coda_firmware_request(struct coda_dev *dev)
3658{
3659 char *fw = dev->devtype->firmware;
3660
3661 dev_dbg(&dev->plat_dev->dev, "requesting firmware '%s' for %s\n", fw,
3662 coda_product_name(dev->devtype->product));
3663
3664 return request_firmware_nowait(THIS_MODULE, true,
3665 fw, &dev->plat_dev->dev, GFP_KERNEL, dev, coda_fw_callback);
3666}
3667
3668enum coda_platform {
3669 CODA_IMX27,
Philipp Zabeldf1e74c2012-07-02 06:07:10 -0300[diff] [blame]3670 CODA_IMX53,
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]3671 CODA_IMX6Q,
3672 CODA_IMX6DL,
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3673};
3674
Emil Goodec06d8752012-08-14 17:44:42 -0300[diff] [blame]3675static const struct coda_devtype coda_devdata[] = {
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3676 [CODA_IMX27] = {
Philipp Zabele5b0d1c2014-07-11 06:36:41 -0300[diff] [blame]3677 .firmware = "v4l-codadx6-imx27.bin",
3678 .product = CODA_DX6,
3679 .codecs = codadx6_codecs,
3680 .num_codecs = ARRAY_SIZE(codadx6_codecs),
3681 .workbuf_size = 288 * 1024 + FMO_SLICE_SAVE_BUF_SIZE * 8 * 1024,
Philipp Zabel401e9722014-07-11 06:36:43 -0300[diff] [blame]3682 .iram_size = 0xb000,
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3683 },
Philipp Zabeldf1e74c2012-07-02 06:07:10 -0300[diff] [blame]3684 [CODA_IMX53] = {
Philipp Zabele5b0d1c2014-07-11 06:36:41 -0300[diff] [blame]3685 .firmware = "v4l-coda7541-imx53.bin",
3686 .product = CODA_7541,
3687 .codecs = coda7_codecs,
3688 .num_codecs = ARRAY_SIZE(coda7_codecs),
3689 .workbuf_size = 128 * 1024,
Philipp Zabel5d73fad2014-07-11 06:36:42 -0300[diff] [blame]3690 .tempbuf_size = 304 * 1024,
Philipp Zabel401e9722014-07-11 06:36:43 -0300[diff] [blame]3691 .iram_size = 0x14000,
Philipp Zabeldf1e74c2012-07-02 06:07:10 -0300[diff] [blame]3692 },
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]3693 [CODA_IMX6Q] = {
Philipp Zabele5b0d1c2014-07-11 06:36:41 -0300[diff] [blame]3694 .firmware = "v4l-coda960-imx6q.bin",
3695 .product = CODA_960,
3696 .codecs = coda9_codecs,
3697 .num_codecs = ARRAY_SIZE(coda9_codecs),
3698 .workbuf_size = 80 * 1024,
Philipp Zabel5d73fad2014-07-11 06:36:42 -0300[diff] [blame]3699 .tempbuf_size = 204 * 1024,
Philipp Zabel401e9722014-07-11 06:36:43 -0300[diff] [blame]3700 .iram_size = 0x21000,
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]3701 },
3702 [CODA_IMX6DL] = {
Philipp Zabele5b0d1c2014-07-11 06:36:41 -0300[diff] [blame]3703 .firmware = "v4l-coda960-imx6dl.bin",
3704 .product = CODA_960,
3705 .codecs = coda9_codecs,
3706 .num_codecs = ARRAY_SIZE(coda9_codecs),
3707 .workbuf_size = 80 * 1024,
Philipp Zabel5d73fad2014-07-11 06:36:42 -0300[diff] [blame]3708 .tempbuf_size = 204 * 1024,
Philipp Zabel401e9722014-07-11 06:36:43 -0300[diff] [blame]3709 .iram_size = 0x20000,
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]3710 },
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3711};
3712
3713static struct platform_device_id coda_platform_ids[] = {
3714 { .name = "coda-imx27", .driver_data = CODA_IMX27 },
Fabio Estevam4e44cd02012-10-10 00:07:38 -0300[diff] [blame]3715 { .name = "coda-imx53", .driver_data = CODA_IMX53 },
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3716 { /* sentinel */ }
3717};
3718MODULE_DEVICE_TABLE(platform, coda_platform_ids);
3719
3720#ifdef CONFIG_OF
3721static const struct of_device_id coda_dt_ids[] = {
Alexander Shiyan7b0dd9e2013-06-15 08:09:57 -0300[diff] [blame]3722 { .compatible = "fsl,imx27-vpu", .data = &coda_devdata[CODA_IMX27] },
Philipp Zabeldf1e74c2012-07-02 06:07:10 -0300[diff] [blame]3723 { .compatible = "fsl,imx53-vpu", .data = &coda_devdata[CODA_IMX53] },
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]3724 { .compatible = "fsl,imx6q-vpu", .data = &coda_devdata[CODA_IMX6Q] },
3725 { .compatible = "fsl,imx6dl-vpu", .data = &coda_devdata[CODA_IMX6DL] },
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3726 { /* sentinel */ }
3727};
3728MODULE_DEVICE_TABLE(of, coda_dt_ids);
3729#endif
3730
Greg Kroah-Hartman4c62e972012-12-21 13:17:53 -0800[diff] [blame]3731static int coda_probe(struct platform_device *pdev)
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3732{
3733 const struct of_device_id *of_id =
3734 of_match_device(of_match_ptr(coda_dt_ids), &pdev->dev);
3735 const struct platform_device_id *pdev_id;
Philipp Zabel657eee72013-04-29 16:17:14 -0700[diff] [blame]3736 struct coda_platform_data *pdata = pdev->dev.platform_data;
3737 struct device_node *np = pdev->dev.of_node;
3738 struct gen_pool *pool;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3739 struct coda_dev *dev;
3740 struct resource *res;
3741 int ret, irq;
3742
3743 dev = devm_kzalloc(&pdev->dev, sizeof *dev, GFP_KERNEL);
3744 if (!dev) {
3745 dev_err(&pdev->dev, "Not enough memory for %s\n",
3746 CODA_NAME);
3747 return -ENOMEM;
3748 }
3749
3750 spin_lock_init(&dev->irqlock);
Philipp Zabele11f3e62012-07-25 09:16:58 -0300[diff] [blame]3751 INIT_LIST_HEAD(&dev->instances);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3752
3753 dev->plat_dev = pdev;
3754 dev->clk_per = devm_clk_get(&pdev->dev, "per");
3755 if (IS_ERR(dev->clk_per)) {
3756 dev_err(&pdev->dev, "Could not get per clock\n");
3757 return PTR_ERR(dev->clk_per);
3758 }
3759
3760 dev->clk_ahb = devm_clk_get(&pdev->dev, "ahb");
3761 if (IS_ERR(dev->clk_ahb)) {
3762 dev_err(&pdev->dev, "Could not get ahb clock\n");
3763 return PTR_ERR(dev->clk_ahb);
3764 }
3765
3766 /* Get memory for physical registers */
3767 res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
Philipp Zabel611cbbf2013-05-21 04:19:27 -0300[diff] [blame]3768 dev->regs_base = devm_ioremap_resource(&pdev->dev, res);
3769 if (IS_ERR(dev->regs_base))
3770 return PTR_ERR(dev->regs_base);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3771
3772 /* IRQ */
3773 irq = platform_get_irq(pdev, 0);
3774 if (irq < 0) {
3775 dev_err(&pdev->dev, "failed to get irq resource\n");
Fabio Estevam7d377432014-06-04 15:46:23 -0300[diff] [blame]3776 return irq;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3777 }
3778
Fabio Estevam08c8d142014-06-04 15:46:24 -0300[diff] [blame]3779 ret = devm_request_threaded_irq(&pdev->dev, irq, NULL, coda_irq_handler,
3780 IRQF_ONESHOT, dev_name(&pdev->dev), dev);
3781 if (ret < 0) {
3782 dev_err(&pdev->dev, "failed to request irq: %d\n", ret);
3783 return ret;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3784 }
3785
Philipp Zabelee27aa92014-07-24 16:50:03 -0300[diff] [blame]3786 dev->rstc = devm_reset_control_get_optional(&pdev->dev, NULL);
Philipp Zabel8f452842014-07-11 06:36:35 -0300[diff] [blame]3787 if (IS_ERR(dev->rstc)) {
3788 ret = PTR_ERR(dev->rstc);
Philipp Zabelee27aa92014-07-24 16:50:03 -0300[diff] [blame]3789 if (ret == -ENOENT || ret == -ENOSYS) {
Philipp Zabel8f452842014-07-11 06:36:35 -0300[diff] [blame]3790 dev->rstc = NULL;
3791 } else {
3792 dev_err(&pdev->dev, "failed get reset control: %d\n", ret);
3793 return ret;
3794 }
3795 }
3796
Philipp Zabel657eee72013-04-29 16:17:14 -0700[diff] [blame]3797 /* Get IRAM pool from device tree or platform data */
3798 pool = of_get_named_gen_pool(np, "iram", 0);
3799 if (!pool && pdata)
3800 pool = dev_get_gen_pool(pdata->iram_dev);
3801 if (!pool) {
3802 dev_err(&pdev->dev, "iram pool not available\n");
3803 return -ENOMEM;
3804 }
3805 dev->iram_pool = pool;
3806
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3807 ret = v4l2_device_register(&pdev->dev, &dev->v4l2_dev);
3808 if (ret)
3809 return ret;
3810
3811 mutex_init(&dev->dev_mutex);
Philipp Zabelfcb62822013-05-23 10:43:00 -0300[diff] [blame]3812 mutex_init(&dev->coda_mutex);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3813
3814 pdev_id = of_id ? of_id->data : platform_get_device_id(pdev);
3815
3816 if (of_id) {
3817 dev->devtype = of_id->data;
3818 } else if (pdev_id) {
3819 dev->devtype = &coda_devdata[pdev_id->driver_data];
3820 } else {
3821 v4l2_device_unregister(&dev->v4l2_dev);
3822 return -EINVAL;
3823 }
3824
Philipp Zabelf61c0b12014-07-11 06:36:40 -0300[diff] [blame]3825 dev->debugfs_root = debugfs_create_dir("coda", NULL);
3826 if (!dev->debugfs_root)
3827 dev_warn(&pdev->dev, "failed to create debugfs root\n");
3828
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3829 /* allocate auxiliary per-device buffers for the BIT processor */
Philipp Zabel5d73fad2014-07-11 06:36:42 -0300[diff] [blame]3830 if (dev->devtype->product == CODA_DX6) {
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]3831 ret = coda_alloc_aux_buf(dev, &dev->workbuf,
Philipp Zabele5b0d1c2014-07-11 06:36:41 -0300[diff] [blame]3832 dev->devtype->workbuf_size, "workbuf",
Philipp Zabelf61c0b12014-07-11 06:36:40 -0300[diff] [blame]3833 dev->debugfs_root);
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]3834 if (ret < 0) {
3835 dev_err(&pdev->dev, "failed to allocate work buffer\n");
3836 v4l2_device_unregister(&dev->v4l2_dev);
3837 return ret;
3838 }
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3839 }
Philipp Zabel5d73fad2014-07-11 06:36:42 -0300[diff] [blame]3840
3841 if (dev->devtype->tempbuf_size) {
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]3842 ret = coda_alloc_aux_buf(dev, &dev->tempbuf,
Philipp Zabel5d73fad2014-07-11 06:36:42 -0300[diff] [blame]3843 dev->devtype->tempbuf_size, "tempbuf",
Philipp Zabelf61c0b12014-07-11 06:36:40 -0300[diff] [blame]3844 dev->debugfs_root);
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]3845 if (ret < 0) {
3846 dev_err(&pdev->dev, "failed to allocate temp buffer\n");
3847 v4l2_device_unregister(&dev->v4l2_dev);
3848 return ret;
3849 }
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3850 }
3851
Philipp Zabel401e9722014-07-11 06:36:43 -0300[diff] [blame]3852 dev->iram.size = dev->devtype->iram_size;
Philipp Zabelb313bcc2014-07-11 06:36:16 -0300[diff] [blame]3853 dev->iram.vaddr = gen_pool_dma_alloc(dev->iram_pool, dev->iram.size,
3854 &dev->iram.paddr);
3855 if (!dev->iram.vaddr) {
Philipp Zabel657eee72013-04-29 16:17:14 -0700[diff] [blame]3856 dev_err(&pdev->dev, "unable to alloc iram\n");
3857 return -ENOMEM;
Philipp Zabel10436672012-07-02 09:03:55 -0300[diff] [blame]3858 }
3859
Philipp Zabelf61c0b12014-07-11 06:36:40 -0300[diff] [blame]3860 dev->iram.blob.data = dev->iram.vaddr;
3861 dev->iram.blob.size = dev->iram.size;
3862 dev->iram.dentry = debugfs_create_blob("iram", 0644, dev->debugfs_root,
3863 &dev->iram.blob);
3864
Philipp Zabel32b6f202014-07-11 06:36:20 -0300[diff] [blame]3865 dev->workqueue = alloc_workqueue("coda", WQ_UNBOUND | WQ_MEM_RECLAIM, 1);
3866 if (!dev->workqueue) {
3867 dev_err(&pdev->dev, "unable to alloc workqueue\n");
3868 return -ENOMEM;
3869 }
3870
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3871 platform_set_drvdata(pdev, dev);
3872
Philipp Zabel1e172732014-07-11 06:36:23 -0300[diff] [blame]3873 pm_runtime_enable(&pdev->dev);
3874
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3875 return coda_firmware_request(dev);
3876}
3877
3878static int coda_remove(struct platform_device *pdev)
3879{
3880 struct coda_dev *dev = platform_get_drvdata(pdev);
3881
3882 video_unregister_device(&dev->vfd);
3883 if (dev->m2m_dev)
3884 v4l2_m2m_release(dev->m2m_dev);
Philipp Zabel1e172732014-07-11 06:36:23 -0300[diff] [blame]3885 pm_runtime_disable(&pdev->dev);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3886 if (dev->alloc_ctx)
3887 vb2_dma_contig_cleanup_ctx(dev->alloc_ctx);
3888 v4l2_device_unregister(&dev->v4l2_dev);
Philipp Zabel32b6f202014-07-11 06:36:20 -0300[diff] [blame]3889 destroy_workqueue(dev->workqueue);
Philipp Zabelb313bcc2014-07-11 06:36:16 -0300[diff] [blame]3890 if (dev->iram.vaddr)
3891 gen_pool_free(dev->iram_pool, (unsigned long)dev->iram.vaddr,
3892 dev->iram.size);
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]3893 coda_free_aux_buf(dev, &dev->codebuf);
3894 coda_free_aux_buf(dev, &dev->tempbuf);
3895 coda_free_aux_buf(dev, &dev->workbuf);
Philipp Zabelf61c0b12014-07-11 06:36:40 -0300[diff] [blame]3896 debugfs_remove_recursive(dev->debugfs_root);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3897 return 0;
3898}
3899
Philipp Zabel1e172732014-07-11 06:36:23 -0300[diff] [blame]3900#ifdef CONFIG_PM_RUNTIME
3901static int coda_runtime_resume(struct device *dev)
3902{
3903 struct coda_dev *cdev = dev_get_drvdata(dev);
3904 int ret = 0;
3905
Philipp Zabel65919e62014-07-18 07:22:36 -0300[diff] [blame]3906 if (dev->pm_domain && cdev->codebuf.vaddr) {
Philipp Zabel1e172732014-07-11 06:36:23 -0300[diff] [blame]3907 ret = coda_hw_init(cdev);
3908 if (ret)
3909 v4l2_err(&cdev->v4l2_dev, "HW initialization failed\n");
3910 }
3911
3912 return ret;
3913}
3914#endif
3915
3916static const struct dev_pm_ops coda_pm_ops = {
3917 SET_RUNTIME_PM_OPS(NULL, coda_runtime_resume, NULL)
3918};
3919
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3920static struct platform_driver coda_driver = {
3921 .probe = coda_probe,
Greg Kroah-Hartman4c62e972012-12-21 13:17:53 -0800[diff] [blame]3922 .remove = coda_remove,
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3923 .driver = {
3924 .name = CODA_NAME,
3925 .owner = THIS_MODULE,
3926 .of_match_table = of_match_ptr(coda_dt_ids),
Philipp Zabel1e172732014-07-11 06:36:23 -0300[diff] [blame]3927 .pm = &coda_pm_ops,
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3928 },
3929 .id_table = coda_platform_ids,
3930};
3931
3932module_platform_driver(coda_driver);
3933
3934MODULE_LICENSE("GPL");
3935MODULE_AUTHOR("Javier Martin <javier.martin@vista-silicon.com>");
3936MODULE_DESCRIPTION("Coda multi-standard codec V4L2 driver");