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gerrit-public.fairphone.software / kernel / msm-4.19 / 91b5841e24d1ebefd62f03ff790755ae0f379627 / . / drivers / media / platform / coda.c
blob: f1cf44a5aa3ccb1378640376cf815fa37c08bad8 [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;
Philipp Zabel91b5841e2014-07-18 07:22:41 -0300[diff] [blame^]722
723 f->fmt.pix.width = q_data_src->width;
724 f->fmt.pix.height = q_data_src->height;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]725 } else {
726 /* Otherwise determine codec by encoded format, if possible */
727 codec = coda_find_codec(ctx->dev, V4L2_PIX_FMT_YUV420,
728 f->fmt.pix.pixelformat);
729 }
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]730
731 f->fmt.pix.colorspace = ctx->colorspace;
732
Philipp Zabel57625592013-09-30 10:34:51 -0300[diff] [blame]733 ret = coda_try_fmt(ctx, codec, f);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]734 if (ret < 0)
735 return ret;
736
737 /* The h.264 decoder only returns complete 16x16 macroblocks */
738 if (codec && codec->src_fourcc == V4L2_PIX_FMT_H264) {
Philipp Zabel1b0ed7b2014-07-11 06:36:37 -0300[diff] [blame]739 f->fmt.pix.width = f->fmt.pix.width;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]740 f->fmt.pix.height = round_up(f->fmt.pix.height, 16);
Philipp Zabel1b0ed7b2014-07-11 06:36:37 -0300[diff] [blame]741 f->fmt.pix.bytesperline = round_up(f->fmt.pix.width, 16);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]742 f->fmt.pix.sizeimage = f->fmt.pix.bytesperline *
743 f->fmt.pix.height * 3 / 2;
744 }
745
746 return 0;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]747}
748
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300[diff] [blame]749static int coda_try_fmt_vid_out(struct file *file, void *priv,
750 struct v4l2_format *f)
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]751{
752 struct coda_ctx *ctx = fh_to_ctx(priv);
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]753 struct coda_codec *codec;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]754
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]755 /* Determine codec by encoded format, returns NULL if raw or invalid */
756 codec = coda_find_codec(ctx->dev, f->fmt.pix.pixelformat,
757 V4L2_PIX_FMT_YUV420);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]758
759 if (!f->fmt.pix.colorspace)
760 f->fmt.pix.colorspace = V4L2_COLORSPACE_REC709;
761
Philipp Zabel57625592013-09-30 10:34:51 -0300[diff] [blame]762 return coda_try_fmt(ctx, codec, f);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]763}
764
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300[diff] [blame]765static int coda_s_fmt(struct coda_ctx *ctx, struct v4l2_format *f)
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]766{
767 struct coda_q_data *q_data;
768 struct vb2_queue *vq;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]769
Philipp Zabel14604e32014-07-11 06:36:22 -0300[diff] [blame]770 vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, f->type);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]771 if (!vq)
772 return -EINVAL;
773
774 q_data = get_q_data(ctx, f->type);
775 if (!q_data)
776 return -EINVAL;
777
778 if (vb2_is_busy(vq)) {
779 v4l2_err(&ctx->dev->v4l2_dev, "%s queue busy\n", __func__);
780 return -EBUSY;
781 }
782
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]783 q_data->fourcc = f->fmt.pix.pixelformat;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]784 q_data->width = f->fmt.pix.width;
785 q_data->height = f->fmt.pix.height;
Philipp Zabel2fd6a372014-07-11 06:36:36 -0300[diff] [blame]786 q_data->bytesperline = f->fmt.pix.bytesperline;
Philipp Zabel451d43a2012-07-26 09:18:27 -0300[diff] [blame]787 q_data->sizeimage = f->fmt.pix.sizeimage;
Philipp Zabel52c41672014-07-11 06:36:19 -0300[diff] [blame]788 q_data->rect.left = 0;
789 q_data->rect.top = 0;
790 q_data->rect.width = f->fmt.pix.width;
791 q_data->rect.height = f->fmt.pix.height;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]792
793 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
794 "Setting format for type %d, wxh: %dx%d, fmt: %d\n",
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]795 f->type, q_data->width, q_data->height, q_data->fourcc);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]796
797 return 0;
798}
799
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300[diff] [blame]800static int coda_s_fmt_vid_cap(struct file *file, void *priv,
801 struct v4l2_format *f)
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]802{
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]803 struct coda_ctx *ctx = fh_to_ctx(priv);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]804 int ret;
805
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300[diff] [blame]806 ret = coda_try_fmt_vid_cap(file, priv, f);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]807 if (ret)
808 return ret;
809
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300[diff] [blame]810 return coda_s_fmt(ctx, f);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]811}
812
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300[diff] [blame]813static int coda_s_fmt_vid_out(struct file *file, void *priv,
814 struct v4l2_format *f)
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]815{
816 struct coda_ctx *ctx = fh_to_ctx(priv);
817 int ret;
818
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300[diff] [blame]819 ret = coda_try_fmt_vid_out(file, priv, f);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]820 if (ret)
821 return ret;
822
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300[diff] [blame]823 ret = coda_s_fmt(ctx, f);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]824 if (ret)
825 ctx->colorspace = f->fmt.pix.colorspace;
826
827 return ret;
828}
829
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300[diff] [blame]830static int coda_qbuf(struct file *file, void *priv,
831 struct v4l2_buffer *buf)
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]832{
833 struct coda_ctx *ctx = fh_to_ctx(priv);
834
Philipp Zabel14604e32014-07-11 06:36:22 -0300[diff] [blame]835 return v4l2_m2m_qbuf(file, ctx->fh.m2m_ctx, buf);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]836}
837
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]838static bool coda_buf_is_end_of_stream(struct coda_ctx *ctx,
839 struct v4l2_buffer *buf)
840{
841 struct vb2_queue *src_vq;
842
Philipp Zabel14604e32014-07-11 06:36:22 -0300[diff] [blame]843 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]844
845 return ((ctx->bit_stream_param & CODA_BIT_STREAM_END_FLAG) &&
846 (buf->sequence == (ctx->qsequence - 1)));
847}
848
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300[diff] [blame]849static int coda_dqbuf(struct file *file, void *priv,
850 struct v4l2_buffer *buf)
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]851{
852 struct coda_ctx *ctx = fh_to_ctx(priv);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]853 int ret;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]854
Philipp Zabel14604e32014-07-11 06:36:22 -0300[diff] [blame]855 ret = v4l2_m2m_dqbuf(file, ctx->fh.m2m_ctx, buf);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]856
857 /* If this is the last capture buffer, emit an end-of-stream event */
858 if (buf->type == V4L2_BUF_TYPE_VIDEO_CAPTURE &&
859 coda_buf_is_end_of_stream(ctx, buf)) {
860 const struct v4l2_event eos_event = {
861 .type = V4L2_EVENT_EOS
862 };
863
864 v4l2_event_queue_fh(&ctx->fh, &eos_event);
865 }
866
867 return ret;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]868}
869
Philipp Zabel52c41672014-07-11 06:36:19 -0300[diff] [blame]870static int coda_g_selection(struct file *file, void *fh,
871 struct v4l2_selection *s)
872{
873 struct coda_ctx *ctx = fh_to_ctx(fh);
874 struct coda_q_data *q_data;
875 struct v4l2_rect r, *rsel;
876
877 q_data = get_q_data(ctx, s->type);
878 if (!q_data)
879 return -EINVAL;
880
881 r.left = 0;
882 r.top = 0;
883 r.width = q_data->width;
884 r.height = q_data->height;
885 rsel = &q_data->rect;
886
887 switch (s->target) {
888 case V4L2_SEL_TGT_CROP_DEFAULT:
889 case V4L2_SEL_TGT_CROP_BOUNDS:
890 rsel = &r;
891 /* fallthrough */
892 case V4L2_SEL_TGT_CROP:
893 if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
894 return -EINVAL;
895 break;
896 case V4L2_SEL_TGT_COMPOSE_BOUNDS:
897 case V4L2_SEL_TGT_COMPOSE_PADDED:
898 rsel = &r;
899 /* fallthrough */
900 case V4L2_SEL_TGT_COMPOSE:
901 case V4L2_SEL_TGT_COMPOSE_DEFAULT:
902 if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
903 return -EINVAL;
904 break;
905 default:
906 return -EINVAL;
907 }
908
909 s->r = *rsel;
910
911 return 0;
912}
913
Philipp Zabel64ba40a2013-09-30 10:34:52 -0300[diff] [blame]914static int coda_try_decoder_cmd(struct file *file, void *fh,
915 struct v4l2_decoder_cmd *dc)
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]916{
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]917 if (dc->cmd != V4L2_DEC_CMD_STOP)
918 return -EINVAL;
919
Philipp Zabel64ba40a2013-09-30 10:34:52 -0300[diff] [blame]920 if (dc->flags & V4L2_DEC_CMD_STOP_TO_BLACK)
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 if (!(dc->flags & V4L2_DEC_CMD_STOP_IMMEDIATELY) && (dc->stop.pts != 0))
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]924 return -EINVAL;
925
Philipp Zabel64ba40a2013-09-30 10:34:52 -0300[diff] [blame]926 return 0;
927}
928
929static int coda_decoder_cmd(struct file *file, void *fh,
930 struct v4l2_decoder_cmd *dc)
931{
932 struct coda_ctx *ctx = fh_to_ctx(fh);
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]933 struct coda_dev *dev = ctx->dev;
Philipp Zabel64ba40a2013-09-30 10:34:52 -0300[diff] [blame]934 int ret;
935
936 ret = coda_try_decoder_cmd(file, fh, dc);
937 if (ret < 0)
938 return ret;
939
940 /* Ignore decoder stop command silently in encoder context */
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]941 if (ctx->inst_type != CODA_INST_DECODER)
Philipp Zabel64ba40a2013-09-30 10:34:52 -0300[diff] [blame]942 return 0;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]943
944 /* Set the strem-end flag on this context */
945 ctx->bit_stream_param |= CODA_BIT_STREAM_END_FLAG;
946
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]947 if ((dev->devtype->product == CODA_960) &&
948 coda_isbusy(dev) &&
949 (ctx->idx == coda_read(dev, CODA_REG_BIT_RUN_INDEX))) {
950 /* If this context is currently running, update the hardware flag */
951 coda_write(dev, ctx->bit_stream_param, CODA_REG_BIT_BIT_STREAM_PARAM);
952 }
Philipp Zabel84e23652014-07-11 06:36:34 -0300[diff] [blame]953 ctx->hold = false;
Michael Olbrichf3497da2014-07-11 06:36:30 -0300[diff] [blame]954 v4l2_m2m_try_schedule(ctx->fh.m2m_ctx);
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]955
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]956 return 0;
957}
958
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300[diff] [blame]959static int coda_subscribe_event(struct v4l2_fh *fh,
960 const struct v4l2_event_subscription *sub)
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]961{
962 switch (sub->type) {
963 case V4L2_EVENT_EOS:
964 return v4l2_event_subscribe(fh, sub, 0, NULL);
965 default:
966 return v4l2_ctrl_subscribe_event(fh, sub);
967 }
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]968}
969
970static const struct v4l2_ioctl_ops coda_ioctl_ops = {
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300[diff] [blame]971 .vidioc_querycap = coda_querycap,
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]972
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300[diff] [blame]973 .vidioc_enum_fmt_vid_cap = coda_enum_fmt_vid_cap,
974 .vidioc_g_fmt_vid_cap = coda_g_fmt,
975 .vidioc_try_fmt_vid_cap = coda_try_fmt_vid_cap,
976 .vidioc_s_fmt_vid_cap = coda_s_fmt_vid_cap,
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]977
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300[diff] [blame]978 .vidioc_enum_fmt_vid_out = coda_enum_fmt_vid_out,
979 .vidioc_g_fmt_vid_out = coda_g_fmt,
980 .vidioc_try_fmt_vid_out = coda_try_fmt_vid_out,
981 .vidioc_s_fmt_vid_out = coda_s_fmt_vid_out,
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]982
Philipp Zabel152ea1c2014-07-11 06:36:21 -0300[diff] [blame]983 .vidioc_reqbufs = v4l2_m2m_ioctl_reqbufs,
984 .vidioc_querybuf = v4l2_m2m_ioctl_querybuf,
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]985
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300[diff] [blame]986 .vidioc_qbuf = coda_qbuf,
Philipp Zabel152ea1c2014-07-11 06:36:21 -0300[diff] [blame]987 .vidioc_expbuf = v4l2_m2m_ioctl_expbuf,
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300[diff] [blame]988 .vidioc_dqbuf = coda_dqbuf,
Philipp Zabel152ea1c2014-07-11 06:36:21 -0300[diff] [blame]989 .vidioc_create_bufs = v4l2_m2m_ioctl_create_bufs,
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]990
Philipp Zabel152ea1c2014-07-11 06:36:21 -0300[diff] [blame]991 .vidioc_streamon = v4l2_m2m_ioctl_streamon,
992 .vidioc_streamoff = v4l2_m2m_ioctl_streamoff,
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]993
Philipp Zabel52c41672014-07-11 06:36:19 -0300[diff] [blame]994 .vidioc_g_selection = coda_g_selection,
995
Philipp Zabel64ba40a2013-09-30 10:34:52 -0300[diff] [blame]996 .vidioc_try_decoder_cmd = coda_try_decoder_cmd,
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300[diff] [blame]997 .vidioc_decoder_cmd = coda_decoder_cmd,
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]998
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300[diff] [blame]999 .vidioc_subscribe_event = coda_subscribe_event,
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]1000 .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1001};
1002
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]1003static int coda_start_decoding(struct coda_ctx *ctx);
1004
Philipp Zabel9082a7c2013-06-21 03:55:31 -0300[diff] [blame]1005static inline int coda_get_bitstream_payload(struct coda_ctx *ctx)
1006{
1007 return kfifo_len(&ctx->bitstream_fifo);
1008}
1009
1010static void coda_kfifo_sync_from_device(struct coda_ctx *ctx)
1011{
1012 struct __kfifo *kfifo = &ctx->bitstream_fifo.kfifo;
1013 struct coda_dev *dev = ctx->dev;
1014 u32 rd_ptr;
1015
1016 rd_ptr = coda_read(dev, CODA_REG_BIT_RD_PTR(ctx->reg_idx));
1017 kfifo->out = (kfifo->in & ~kfifo->mask) |
1018 (rd_ptr - ctx->bitstream.paddr);
1019 if (kfifo->out > kfifo->in)
1020 kfifo->out -= kfifo->mask + 1;
1021}
1022
1023static void coda_kfifo_sync_to_device_full(struct coda_ctx *ctx)
1024{
1025 struct __kfifo *kfifo = &ctx->bitstream_fifo.kfifo;
1026 struct coda_dev *dev = ctx->dev;
1027 u32 rd_ptr, wr_ptr;
1028
1029 rd_ptr = ctx->bitstream.paddr + (kfifo->out & kfifo->mask);
1030 coda_write(dev, rd_ptr, CODA_REG_BIT_RD_PTR(ctx->reg_idx));
1031 wr_ptr = ctx->bitstream.paddr + (kfifo->in & kfifo->mask);
1032 coda_write(dev, wr_ptr, CODA_REG_BIT_WR_PTR(ctx->reg_idx));
1033}
1034
1035static void coda_kfifo_sync_to_device_write(struct coda_ctx *ctx)
1036{
1037 struct __kfifo *kfifo = &ctx->bitstream_fifo.kfifo;
1038 struct coda_dev *dev = ctx->dev;
1039 u32 wr_ptr;
1040
1041 wr_ptr = ctx->bitstream.paddr + (kfifo->in & kfifo->mask);
1042 coda_write(dev, wr_ptr, CODA_REG_BIT_WR_PTR(ctx->reg_idx));
1043}
1044
1045static int coda_bitstream_queue(struct coda_ctx *ctx, struct vb2_buffer *src_buf)
1046{
1047 u32 src_size = vb2_get_plane_payload(src_buf, 0);
1048 u32 n;
1049
1050 n = kfifo_in(&ctx->bitstream_fifo, vb2_plane_vaddr(src_buf, 0), src_size);
1051 if (n < src_size)
1052 return -ENOSPC;
1053
1054 dma_sync_single_for_device(&ctx->dev->plat_dev->dev, ctx->bitstream.paddr,
1055 ctx->bitstream.size, DMA_TO_DEVICE);
1056
Philipp Zabel846ced92014-07-11 06:36:31 -0300[diff] [blame]1057 src_buf->v4l2_buf.sequence = ctx->qsequence++;
Philipp Zabel9082a7c2013-06-21 03:55:31 -0300[diff] [blame]1058
1059 return 0;
1060}
1061
1062static bool coda_bitstream_try_queue(struct coda_ctx *ctx,
1063 struct vb2_buffer *src_buf)
1064{
1065 int ret;
1066
1067 if (coda_get_bitstream_payload(ctx) +
1068 vb2_get_plane_payload(src_buf, 0) + 512 >= ctx->bitstream.size)
1069 return false;
1070
1071 if (vb2_plane_vaddr(src_buf, 0) == NULL) {
1072 v4l2_err(&ctx->dev->v4l2_dev, "trying to queue empty buffer\n");
1073 return true;
1074 }
1075
1076 ret = coda_bitstream_queue(ctx, src_buf);
1077 if (ret < 0) {
1078 v4l2_err(&ctx->dev->v4l2_dev, "bitstream buffer overflow\n");
1079 return false;
1080 }
1081 /* Sync read pointer to device */
1082 if (ctx == v4l2_m2m_get_curr_priv(ctx->dev->m2m_dev))
1083 coda_kfifo_sync_to_device_write(ctx);
1084
Philipp Zabel84e23652014-07-11 06:36:34 -0300[diff] [blame]1085 ctx->hold = false;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]1086
Philipp Zabel9082a7c2013-06-21 03:55:31 -0300[diff] [blame]1087 return true;
1088}
1089
1090static void coda_fill_bitstream(struct coda_ctx *ctx)
1091{
1092 struct vb2_buffer *src_buf;
Philipp Zabel846ced92014-07-11 06:36:31 -0300[diff] [blame]1093 struct coda_timestamp *ts;
Philipp Zabel9082a7c2013-06-21 03:55:31 -0300[diff] [blame]1094
Philipp Zabel14604e32014-07-11 06:36:22 -0300[diff] [blame]1095 while (v4l2_m2m_num_src_bufs_ready(ctx->fh.m2m_ctx) > 0) {
1096 src_buf = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx);
Philipp Zabel9082a7c2013-06-21 03:55:31 -0300[diff] [blame]1097
1098 if (coda_bitstream_try_queue(ctx, src_buf)) {
Philipp Zabel846ced92014-07-11 06:36:31 -0300[diff] [blame]1099 /*
1100 * Source buffer is queued in the bitstream ringbuffer;
1101 * queue the timestamp and mark source buffer as done
1102 */
Philipp Zabel14604e32014-07-11 06:36:22 -0300[diff] [blame]1103 src_buf = v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx);
Philipp Zabel846ced92014-07-11 06:36:31 -0300[diff] [blame]1104
1105 ts = kmalloc(sizeof(*ts), GFP_KERNEL);
1106 if (ts) {
1107 ts->sequence = src_buf->v4l2_buf.sequence;
1108 ts->timecode = src_buf->v4l2_buf.timecode;
1109 ts->timestamp = src_buf->v4l2_buf.timestamp;
1110 list_add_tail(&ts->list, &ctx->timestamp_list);
1111 }
1112
Philipp Zabel9082a7c2013-06-21 03:55:31 -0300[diff] [blame]1113 v4l2_m2m_buf_done(src_buf, VB2_BUF_STATE_DONE);
1114 } else {
1115 break;
1116 }
1117 }
1118}
1119
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]1120static void coda_set_gdi_regs(struct coda_ctx *ctx)
1121{
1122 struct gdi_tiled_map *tiled_map = &ctx->tiled_map;
1123 struct coda_dev *dev = ctx->dev;
1124 int i;
1125
1126 for (i = 0; i < 16; i++)
1127 coda_write(dev, tiled_map->xy2ca_map[i],
1128 CODA9_GDI_XY2_CAS_0 + 4 * i);
1129 for (i = 0; i < 4; i++)
1130 coda_write(dev, tiled_map->xy2ba_map[i],
1131 CODA9_GDI_XY2_BA_0 + 4 * i);
1132 for (i = 0; i < 16; i++)
1133 coda_write(dev, tiled_map->xy2ra_map[i],
1134 CODA9_GDI_XY2_RAS_0 + 4 * i);
1135 coda_write(dev, tiled_map->xy2rbc_config, CODA9_GDI_XY2_RBC_CONFIG);
1136 for (i = 0; i < 32; i++)
1137 coda_write(dev, tiled_map->rbc2axi_map[i],
1138 CODA9_GDI_RBC2_AXI_0 + 4 * i);
1139}
1140
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1141/*
1142 * Mem-to-mem operations.
1143 */
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]1144static int coda_prepare_decode(struct coda_ctx *ctx)
1145{
1146 struct vb2_buffer *dst_buf;
1147 struct coda_dev *dev = ctx->dev;
1148 struct coda_q_data *q_data_dst;
1149 u32 stridey, height;
1150 u32 picture_y, picture_cb, picture_cr;
1151
Philipp Zabel14604e32014-07-11 06:36:22 -0300[diff] [blame]1152 dst_buf = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]1153 q_data_dst = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
1154
1155 if (ctx->params.rot_mode & CODA_ROT_90) {
1156 stridey = q_data_dst->height;
1157 height = q_data_dst->width;
1158 } else {
1159 stridey = q_data_dst->width;
1160 height = q_data_dst->height;
1161 }
1162
1163 /* Try to copy source buffer contents into the bitstream ringbuffer */
1164 mutex_lock(&ctx->bitstream_mutex);
1165 coda_fill_bitstream(ctx);
1166 mutex_unlock(&ctx->bitstream_mutex);
1167
1168 if (coda_get_bitstream_payload(ctx) < 512 &&
1169 (!(ctx->bit_stream_param & CODA_BIT_STREAM_END_FLAG))) {
1170 v4l2_dbg(1, coda_debug, &dev->v4l2_dev,
1171 "bitstream payload: %d, skipping\n",
1172 coda_get_bitstream_payload(ctx));
Philipp Zabel14604e32014-07-11 06:36:22 -0300[diff] [blame]1173 v4l2_m2m_job_finish(ctx->dev->m2m_dev, ctx->fh.m2m_ctx);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]1174 return -EAGAIN;
1175 }
1176
1177 /* Run coda_start_decoding (again) if not yet initialized */
1178 if (!ctx->initialized) {
1179 int ret = coda_start_decoding(ctx);
1180 if (ret < 0) {
1181 v4l2_err(&dev->v4l2_dev, "failed to start decoding\n");
Philipp Zabel14604e32014-07-11 06:36:22 -0300[diff] [blame]1182 v4l2_m2m_job_finish(ctx->dev->m2m_dev, ctx->fh.m2m_ctx);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]1183 return -EAGAIN;
1184 } else {
1185 ctx->initialized = 1;
1186 }
1187 }
1188
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]1189 if (dev->devtype->product == CODA_960)
1190 coda_set_gdi_regs(ctx);
1191
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]1192 /* Set rotator output */
1193 picture_y = vb2_dma_contig_plane_dma_addr(dst_buf, 0);
1194 if (q_data_dst->fourcc == V4L2_PIX_FMT_YVU420) {
1195 /* Switch Cr and Cb for YVU420 format */
1196 picture_cr = picture_y + stridey * height;
1197 picture_cb = picture_cr + stridey / 2 * height / 2;
1198 } else {
1199 picture_cb = picture_y + stridey * height;
1200 picture_cr = picture_cb + stridey / 2 * height / 2;
1201 }
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]1202
1203 if (dev->devtype->product == CODA_960) {
1204 /*
1205 * The CODA960 seems to have an internal list of buffers with
1206 * 64 entries that includes the registered frame buffers as
1207 * well as the rotator buffer output.
1208 * ROT_INDEX needs to be < 0x40, but > ctx->num_internal_frames.
1209 */
1210 coda_write(dev, CODA_MAX_FRAMEBUFFERS + dst_buf->v4l2_buf.index,
1211 CODA9_CMD_DEC_PIC_ROT_INDEX);
1212 coda_write(dev, picture_y, CODA9_CMD_DEC_PIC_ROT_ADDR_Y);
1213 coda_write(dev, picture_cb, CODA9_CMD_DEC_PIC_ROT_ADDR_CB);
1214 coda_write(dev, picture_cr, CODA9_CMD_DEC_PIC_ROT_ADDR_CR);
1215 coda_write(dev, stridey, CODA9_CMD_DEC_PIC_ROT_STRIDE);
1216 } else {
1217 coda_write(dev, picture_y, CODA_CMD_DEC_PIC_ROT_ADDR_Y);
1218 coda_write(dev, picture_cb, CODA_CMD_DEC_PIC_ROT_ADDR_CB);
1219 coda_write(dev, picture_cr, CODA_CMD_DEC_PIC_ROT_ADDR_CR);
1220 coda_write(dev, stridey, CODA_CMD_DEC_PIC_ROT_STRIDE);
1221 }
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]1222 coda_write(dev, CODA_ROT_MIR_ENABLE | ctx->params.rot_mode,
1223 CODA_CMD_DEC_PIC_ROT_MODE);
1224
1225 switch (dev->devtype->product) {
1226 case CODA_DX6:
1227 /* TBD */
1228 case CODA_7541:
1229 coda_write(dev, CODA_PRE_SCAN_EN, CODA_CMD_DEC_PIC_OPTION);
1230 break;
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]1231 case CODA_960:
1232 coda_write(dev, (1 << 10), CODA_CMD_DEC_PIC_OPTION); /* 'hardcode to use interrupt disable mode'? */
1233 break;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]1234 }
1235
1236 coda_write(dev, 0, CODA_CMD_DEC_PIC_SKIP_NUM);
1237
1238 coda_write(dev, 0, CODA_CMD_DEC_PIC_BB_START);
1239 coda_write(dev, 0, CODA_CMD_DEC_PIC_START_BYTE);
1240
1241 return 0;
1242}
1243
Philipp Zabel477c1cf2013-06-21 03:55:33 -0300[diff] [blame]1244static void coda_prepare_encode(struct coda_ctx *ctx)
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1245{
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1246 struct coda_q_data *q_data_src, *q_data_dst;
1247 struct vb2_buffer *src_buf, *dst_buf;
1248 struct coda_dev *dev = ctx->dev;
1249 int force_ipicture;
1250 int quant_param = 0;
1251 u32 picture_y, picture_cb, picture_cr;
1252 u32 pic_stream_buffer_addr, pic_stream_buffer_size;
1253 u32 dst_fourcc;
1254
Philipp Zabel14604e32014-07-11 06:36:22 -0300[diff] [blame]1255 src_buf = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx);
1256 dst_buf = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1257 q_data_src = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
1258 q_data_dst = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]1259 dst_fourcc = q_data_dst->fourcc;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1260
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]1261 src_buf->v4l2_buf.sequence = ctx->osequence;
1262 dst_buf->v4l2_buf.sequence = ctx->osequence;
1263 ctx->osequence++;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1264
1265 /*
1266 * Workaround coda firmware BUG that only marks the first
1267 * frame as IDR. This is a problem for some decoders that can't
1268 * recover when a frame is lost.
1269 */
1270 if (src_buf->v4l2_buf.sequence % ctx->params.gop_size) {
1271 src_buf->v4l2_buf.flags |= V4L2_BUF_FLAG_PFRAME;
1272 src_buf->v4l2_buf.flags &= ~V4L2_BUF_FLAG_KEYFRAME;
1273 } else {
1274 src_buf->v4l2_buf.flags |= V4L2_BUF_FLAG_KEYFRAME;
1275 src_buf->v4l2_buf.flags &= ~V4L2_BUF_FLAG_PFRAME;
1276 }
1277
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]1278 if (dev->devtype->product == CODA_960)
1279 coda_set_gdi_regs(ctx);
1280
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1281 /*
1282 * Copy headers at the beginning of the first frame for H.264 only.
1283 * In MPEG4 they are already copied by the coda.
1284 */
1285 if (src_buf->v4l2_buf.sequence == 0) {
1286 pic_stream_buffer_addr =
1287 vb2_dma_contig_plane_dma_addr(dst_buf, 0) +
1288 ctx->vpu_header_size[0] +
1289 ctx->vpu_header_size[1] +
1290 ctx->vpu_header_size[2];
1291 pic_stream_buffer_size = CODA_MAX_FRAME_SIZE -
1292 ctx->vpu_header_size[0] -
1293 ctx->vpu_header_size[1] -
1294 ctx->vpu_header_size[2];
1295 memcpy(vb2_plane_vaddr(dst_buf, 0),
1296 &ctx->vpu_header[0][0], ctx->vpu_header_size[0]);
1297 memcpy(vb2_plane_vaddr(dst_buf, 0) + ctx->vpu_header_size[0],
1298 &ctx->vpu_header[1][0], ctx->vpu_header_size[1]);
1299 memcpy(vb2_plane_vaddr(dst_buf, 0) + ctx->vpu_header_size[0] +
1300 ctx->vpu_header_size[1], &ctx->vpu_header[2][0],
1301 ctx->vpu_header_size[2]);
1302 } else {
1303 pic_stream_buffer_addr =
1304 vb2_dma_contig_plane_dma_addr(dst_buf, 0);
1305 pic_stream_buffer_size = CODA_MAX_FRAME_SIZE;
1306 }
1307
1308 if (src_buf->v4l2_buf.flags & V4L2_BUF_FLAG_KEYFRAME) {
1309 force_ipicture = 1;
1310 switch (dst_fourcc) {
1311 case V4L2_PIX_FMT_H264:
1312 quant_param = ctx->params.h264_intra_qp;
1313 break;
1314 case V4L2_PIX_FMT_MPEG4:
1315 quant_param = ctx->params.mpeg4_intra_qp;
1316 break;
1317 default:
1318 v4l2_warn(&ctx->dev->v4l2_dev,
1319 "cannot set intra qp, fmt not supported\n");
1320 break;
1321 }
1322 } else {
1323 force_ipicture = 0;
1324 switch (dst_fourcc) {
1325 case V4L2_PIX_FMT_H264:
1326 quant_param = ctx->params.h264_inter_qp;
1327 break;
1328 case V4L2_PIX_FMT_MPEG4:
1329 quant_param = ctx->params.mpeg4_inter_qp;
1330 break;
1331 default:
1332 v4l2_warn(&ctx->dev->v4l2_dev,
1333 "cannot set inter qp, fmt not supported\n");
1334 break;
1335 }
1336 }
1337
1338 /* submit */
Philipp Zabel8f35c7b2012-07-09 04:25:52 -0300[diff] [blame]1339 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]1340 coda_write(dev, quant_param, CODA_CMD_ENC_PIC_QS);
1341
1342
1343 picture_y = vb2_dma_contig_plane_dma_addr(src_buf, 0);
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]1344 switch (q_data_src->fourcc) {
1345 case V4L2_PIX_FMT_YVU420:
1346 /* Switch Cb and Cr for YVU420 format */
Philipp Zabel2fd6a372014-07-11 06:36:36 -0300[diff] [blame]1347 picture_cr = picture_y + q_data_src->bytesperline *
1348 q_data_src->height;
1349 picture_cb = picture_cr + q_data_src->bytesperline / 2 *
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]1350 q_data_src->height / 2;
1351 break;
1352 case V4L2_PIX_FMT_YUV420:
1353 default:
Philipp Zabel2fd6a372014-07-11 06:36:36 -0300[diff] [blame]1354 picture_cb = picture_y + q_data_src->bytesperline *
1355 q_data_src->height;
1356 picture_cr = picture_cb + q_data_src->bytesperline / 2 *
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]1357 q_data_src->height / 2;
1358 break;
1359 }
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1360
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]1361 if (dev->devtype->product == CODA_960) {
1362 coda_write(dev, 4/*FIXME: 0*/, CODA9_CMD_ENC_PIC_SRC_INDEX);
1363 coda_write(dev, q_data_src->width, CODA9_CMD_ENC_PIC_SRC_STRIDE);
1364 coda_write(dev, 0, CODA9_CMD_ENC_PIC_SUB_FRAME_SYNC);
1365
1366 coda_write(dev, picture_y, CODA9_CMD_ENC_PIC_SRC_ADDR_Y);
1367 coda_write(dev, picture_cb, CODA9_CMD_ENC_PIC_SRC_ADDR_CB);
1368 coda_write(dev, picture_cr, CODA9_CMD_ENC_PIC_SRC_ADDR_CR);
1369 } else {
1370 coda_write(dev, picture_y, CODA_CMD_ENC_PIC_SRC_ADDR_Y);
1371 coda_write(dev, picture_cb, CODA_CMD_ENC_PIC_SRC_ADDR_CB);
1372 coda_write(dev, picture_cr, CODA_CMD_ENC_PIC_SRC_ADDR_CR);
1373 }
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1374 coda_write(dev, force_ipicture << 1 & 0x2,
1375 CODA_CMD_ENC_PIC_OPTION);
1376
1377 coda_write(dev, pic_stream_buffer_addr, CODA_CMD_ENC_PIC_BB_START);
1378 coda_write(dev, pic_stream_buffer_size / 1024,
1379 CODA_CMD_ENC_PIC_BB_SIZE);
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]1380
1381 if (!ctx->streamon_out) {
1382 /* After streamoff on the output side, set the stream end flag */
1383 ctx->bit_stream_param |= CODA_BIT_STREAM_END_FLAG;
1384 coda_write(dev, ctx->bit_stream_param, CODA_REG_BIT_BIT_STREAM_PARAM);
1385 }
Philipp Zabel477c1cf2013-06-21 03:55:33 -0300[diff] [blame]1386}
1387
1388static void coda_device_run(void *m2m_priv)
1389{
1390 struct coda_ctx *ctx = m2m_priv;
1391 struct coda_dev *dev = ctx->dev;
Philipp Zabel32b6f202014-07-11 06:36:20 -0300[diff] [blame]1392
1393 queue_work(dev->workqueue, &ctx->pic_run_work);
1394}
1395
1396static void coda_free_framebuffers(struct coda_ctx *ctx);
1397static void coda_free_context_buffers(struct coda_ctx *ctx);
1398
1399static void coda_seq_end_work(struct work_struct *work)
1400{
1401 struct coda_ctx *ctx = container_of(work, struct coda_ctx, seq_end_work);
1402 struct coda_dev *dev = ctx->dev;
1403
1404 mutex_lock(&ctx->buffer_mutex);
1405 mutex_lock(&dev->coda_mutex);
1406
1407 v4l2_dbg(1, coda_debug, &dev->v4l2_dev,
1408 "%d: %s: sent command 'SEQ_END' to coda\n", ctx->idx, __func__);
1409 if (coda_command_sync(ctx, CODA_COMMAND_SEQ_END)) {
1410 v4l2_err(&dev->v4l2_dev,
1411 "CODA_COMMAND_SEQ_END failed\n");
1412 }
1413
1414 kfifo_init(&ctx->bitstream_fifo,
1415 ctx->bitstream.vaddr, ctx->bitstream.size);
1416
1417 coda_free_framebuffers(ctx);
1418 coda_free_context_buffers(ctx);
1419
1420 mutex_unlock(&dev->coda_mutex);
1421 mutex_unlock(&ctx->buffer_mutex);
1422}
1423
1424static void coda_finish_decode(struct coda_ctx *ctx);
1425static void coda_finish_encode(struct coda_ctx *ctx);
1426
1427static void coda_pic_run_work(struct work_struct *work)
1428{
1429 struct coda_ctx *ctx = container_of(work, struct coda_ctx, pic_run_work);
1430 struct coda_dev *dev = ctx->dev;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]1431 int ret;
1432
1433 mutex_lock(&ctx->buffer_mutex);
Philipp Zabel477c1cf2013-06-21 03:55:33 -0300[diff] [blame]1434 mutex_lock(&dev->coda_mutex);
1435
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]1436 if (ctx->inst_type == CODA_INST_DECODER) {
1437 ret = coda_prepare_decode(ctx);
1438 if (ret < 0) {
1439 mutex_unlock(&dev->coda_mutex);
1440 mutex_unlock(&ctx->buffer_mutex);
1441 /* job_finish scheduled by prepare_decode */
1442 return;
1443 }
1444 } else {
1445 coda_prepare_encode(ctx);
Philipp Zabel10436672012-07-02 09:03:55 -0300[diff] [blame]1446 }
1447
Philipp Zabelc2d22512013-06-21 03:55:28 -0300[diff] [blame]1448 if (dev->devtype->product != CODA_DX6)
1449 coda_write(dev, ctx->iram_info.axi_sram_use,
1450 CODA7_REG_BIT_AXI_SRAM_USE);
1451
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]1452 if (ctx->inst_type == CODA_INST_DECODER)
1453 coda_kfifo_sync_to_device_full(ctx);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1454 coda_command_async(ctx, CODA_COMMAND_PIC_RUN);
Philipp Zabel32b6f202014-07-11 06:36:20 -0300[diff] [blame]1455
1456 if (!wait_for_completion_timeout(&ctx->completion, msecs_to_jiffies(1000))) {
1457 dev_err(&dev->plat_dev->dev, "CODA PIC_RUN timeout\n");
Philipp Zabel84e23652014-07-11 06:36:34 -0300[diff] [blame]1458
1459 ctx->hold = true;
Philipp Zabel8f452842014-07-11 06:36:35 -0300[diff] [blame]1460
1461 coda_hw_reset(ctx);
Philipp Zabel32b6f202014-07-11 06:36:20 -0300[diff] [blame]1462 } else if (!ctx->aborting) {
1463 if (ctx->inst_type == CODA_INST_DECODER)
1464 coda_finish_decode(ctx);
1465 else
1466 coda_finish_encode(ctx);
1467 }
1468
1469 if (ctx->aborting || (!ctx->streamon_cap && !ctx->streamon_out))
1470 queue_work(dev->workqueue, &ctx->seq_end_work);
1471
1472 mutex_unlock(&dev->coda_mutex);
1473 mutex_unlock(&ctx->buffer_mutex);
1474
Philipp Zabel14604e32014-07-11 06:36:22 -0300[diff] [blame]1475 v4l2_m2m_job_finish(ctx->dev->m2m_dev, ctx->fh.m2m_ctx);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1476}
1477
1478static int coda_job_ready(void *m2m_priv)
1479{
1480 struct coda_ctx *ctx = m2m_priv;
1481
1482 /*
1483 * For both 'P' and 'key' frame cases 1 picture
Philipp Zabel9082a7c2013-06-21 03:55:31 -0300[diff] [blame]1484 * and 1 frame are needed. In the decoder case,
1485 * the compressed frame can be in the bitstream.
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1486 */
Philipp Zabel14604e32014-07-11 06:36:22 -0300[diff] [blame]1487 if (!v4l2_m2m_num_src_bufs_ready(ctx->fh.m2m_ctx) &&
Philipp Zabel9082a7c2013-06-21 03:55:31 -0300[diff] [blame]1488 ctx->inst_type != CODA_INST_DECODER) {
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1489 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
1490 "not ready: not enough video buffers.\n");
1491 return 0;
1492 }
1493
Philipp Zabel14604e32014-07-11 06:36:22 -0300[diff] [blame]1494 if (!v4l2_m2m_num_dst_bufs_ready(ctx->fh.m2m_ctx)) {
Philipp Zabel9082a7c2013-06-21 03:55:31 -0300[diff] [blame]1495 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
1496 "not ready: not enough video capture buffers.\n");
1497 return 0;
1498 }
1499
Philipp Zabel84e23652014-07-11 06:36:34 -0300[diff] [blame]1500 if (ctx->hold ||
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]1501 ((ctx->inst_type == CODA_INST_DECODER) &&
1502 (coda_get_bitstream_payload(ctx) < 512) &&
1503 !(ctx->bit_stream_param & CODA_BIT_STREAM_END_FLAG))) {
1504 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
1505 "%d: not ready: not enough bitstream data.\n",
1506 ctx->idx);
1507 return 0;
1508 }
1509
Philipp Zabel3e748262013-05-23 10:43:01 -0300[diff] [blame]1510 if (ctx->aborting) {
1511 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
1512 "not ready: aborting\n");
1513 return 0;
1514 }
1515
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1516 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
1517 "job ready\n");
1518 return 1;
1519}
1520
1521static void coda_job_abort(void *priv)
1522{
1523 struct coda_ctx *ctx = priv;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1524
1525 ctx->aborting = 1;
1526
1527 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
1528 "Aborting task\n");
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1529}
1530
1531static void coda_lock(void *m2m_priv)
1532{
1533 struct coda_ctx *ctx = m2m_priv;
1534 struct coda_dev *pcdev = ctx->dev;
1535 mutex_lock(&pcdev->dev_mutex);
1536}
1537
1538static void coda_unlock(void *m2m_priv)
1539{
1540 struct coda_ctx *ctx = m2m_priv;
1541 struct coda_dev *pcdev = ctx->dev;
1542 mutex_unlock(&pcdev->dev_mutex);
1543}
1544
1545static struct v4l2_m2m_ops coda_m2m_ops = {
1546 .device_run = coda_device_run,
1547 .job_ready = coda_job_ready,
1548 .job_abort = coda_job_abort,
1549 .lock = coda_lock,
1550 .unlock = coda_unlock,
1551};
1552
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]1553static void coda_set_tiled_map_type(struct coda_ctx *ctx, int tiled_map_type)
1554{
1555 struct gdi_tiled_map *tiled_map = &ctx->tiled_map;
1556 int luma_map, chro_map, i;
1557
1558 memset(tiled_map, 0, sizeof(*tiled_map));
1559
1560 luma_map = 64;
1561 chro_map = 64;
1562 tiled_map->map_type = tiled_map_type;
1563 for (i = 0; i < 16; i++)
1564 tiled_map->xy2ca_map[i] = luma_map << 8 | chro_map;
1565 for (i = 0; i < 4; i++)
1566 tiled_map->xy2ba_map[i] = luma_map << 8 | chro_map;
1567 for (i = 0; i < 16; i++)
1568 tiled_map->xy2ra_map[i] = luma_map << 8 | chro_map;
1569
1570 if (tiled_map_type == GDI_LINEAR_FRAME_MAP) {
1571 tiled_map->xy2rbc_config = 0;
1572 } else {
1573 dev_err(&ctx->dev->plat_dev->dev, "invalid map type: %d\n",
1574 tiled_map_type);
1575 return;
1576 }
1577}
1578
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1579static void set_default_params(struct coda_ctx *ctx)
1580{
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]1581 int max_w;
1582 int max_h;
1583
1584 ctx->codec = &ctx->dev->devtype->codecs[0];
1585 max_w = ctx->codec->max_w;
1586 max_h = ctx->codec->max_h;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1587
1588 ctx->params.codec_mode = CODA_MODE_INVALID;
1589 ctx->colorspace = V4L2_COLORSPACE_REC709;
1590 ctx->params.framerate = 30;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1591 ctx->aborting = 0;
1592
1593 /* Default formats for output and input queues */
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]1594 ctx->q_data[V4L2_M2M_SRC].fourcc = ctx->codec->src_fourcc;
1595 ctx->q_data[V4L2_M2M_DST].fourcc = ctx->codec->dst_fourcc;
1596 ctx->q_data[V4L2_M2M_SRC].width = max_w;
1597 ctx->q_data[V4L2_M2M_SRC].height = max_h;
Philipp Zabel2fd6a372014-07-11 06:36:36 -0300[diff] [blame]1598 ctx->q_data[V4L2_M2M_SRC].bytesperline = max_w;
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]1599 ctx->q_data[V4L2_M2M_SRC].sizeimage = (max_w * max_h * 3) / 2;
1600 ctx->q_data[V4L2_M2M_DST].width = max_w;
1601 ctx->q_data[V4L2_M2M_DST].height = max_h;
Philipp Zabel2fd6a372014-07-11 06:36:36 -0300[diff] [blame]1602 ctx->q_data[V4L2_M2M_DST].bytesperline = 0;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1603 ctx->q_data[V4L2_M2M_DST].sizeimage = CODA_MAX_FRAME_SIZE;
Philipp Zabel52c41672014-07-11 06:36:19 -0300[diff] [blame]1604 ctx->q_data[V4L2_M2M_SRC].rect.width = max_w;
1605 ctx->q_data[V4L2_M2M_SRC].rect.height = max_h;
1606 ctx->q_data[V4L2_M2M_DST].rect.width = max_w;
1607 ctx->q_data[V4L2_M2M_DST].rect.height = max_h;
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]1608
1609 if (ctx->dev->devtype->product == CODA_960)
1610 coda_set_tiled_map_type(ctx, GDI_LINEAR_FRAME_MAP);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1611}
1612
1613/*
1614 * Queue operations
1615 */
1616static int coda_queue_setup(struct vb2_queue *vq,
1617 const struct v4l2_format *fmt,
1618 unsigned int *nbuffers, unsigned int *nplanes,
1619 unsigned int sizes[], void *alloc_ctxs[])
1620{
1621 struct coda_ctx *ctx = vb2_get_drv_priv(vq);
Philipp Zabele34db062012-08-29 08:22:00 -0300[diff] [blame]1622 struct coda_q_data *q_data;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1623 unsigned int size;
1624
Philipp Zabele34db062012-08-29 08:22:00 -0300[diff] [blame]1625 q_data = get_q_data(ctx, vq->type);
1626 size = q_data->sizeimage;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1627
1628 *nplanes = 1;
1629 sizes[0] = size;
1630
1631 alloc_ctxs[0] = ctx->dev->alloc_ctx;
1632
1633 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
1634 "get %d buffer(s) of size %d each.\n", *nbuffers, size);
1635
1636 return 0;
1637}
1638
1639static int coda_buf_prepare(struct vb2_buffer *vb)
1640{
1641 struct coda_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
1642 struct coda_q_data *q_data;
1643
1644 q_data = get_q_data(ctx, vb->vb2_queue->type);
1645
1646 if (vb2_plane_size(vb, 0) < q_data->sizeimage) {
1647 v4l2_warn(&ctx->dev->v4l2_dev,
1648 "%s data will not fit into plane (%lu < %lu)\n",
1649 __func__, vb2_plane_size(vb, 0),
1650 (long)q_data->sizeimage);
1651 return -EINVAL;
1652 }
1653
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1654 return 0;
1655}
1656
1657static void coda_buf_queue(struct vb2_buffer *vb)
1658{
1659 struct coda_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]1660 struct coda_dev *dev = ctx->dev;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]1661 struct coda_q_data *q_data;
1662
1663 q_data = get_q_data(ctx, vb->vb2_queue->type);
1664
1665 /*
1666 * In the decoder case, immediately try to copy the buffer into the
1667 * bitstream ringbuffer and mark it as ready to be dequeued.
1668 */
1669 if (q_data->fourcc == V4L2_PIX_FMT_H264 &&
1670 vb->vb2_queue->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
1671 /*
Jonathan McCrohan39c1cb22013-10-20 21:34:01 -0300[diff] [blame]1672 * For backwards compatibility, queuing an empty buffer marks
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]1673 * the stream end
1674 */
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]1675 if (vb2_get_plane_payload(vb, 0) == 0) {
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]1676 ctx->bit_stream_param |= CODA_BIT_STREAM_END_FLAG;
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]1677 if ((dev->devtype->product == CODA_960) &&
1678 coda_isbusy(dev) &&
1679 (ctx->idx == coda_read(dev, CODA_REG_BIT_RUN_INDEX))) {
1680 /* if this decoder instance is running, set the stream end flag */
1681 coda_write(dev, ctx->bit_stream_param, CODA_REG_BIT_BIT_STREAM_PARAM);
1682 }
1683 }
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]1684 mutex_lock(&ctx->bitstream_mutex);
Philipp Zabel14604e32014-07-11 06:36:22 -0300[diff] [blame]1685 v4l2_m2m_buf_queue(ctx->fh.m2m_ctx, vb);
Michael Olbricheabed932014-07-18 07:22:40 -0300[diff] [blame]1686 if (vb2_is_streaming(vb->vb2_queue))
1687 coda_fill_bitstream(ctx);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]1688 mutex_unlock(&ctx->bitstream_mutex);
1689 } else {
Philipp Zabel14604e32014-07-11 06:36:22 -0300[diff] [blame]1690 v4l2_m2m_buf_queue(ctx->fh.m2m_ctx, vb);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]1691 }
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1692}
1693
Philipp Zabel86eda902013-05-23 10:42:57 -0300[diff] [blame]1694static void coda_parabuf_write(struct coda_ctx *ctx, int index, u32 value)
1695{
1696 struct coda_dev *dev = ctx->dev;
1697 u32 *p = ctx->parabuf.vaddr;
1698
1699 if (dev->devtype->product == CODA_DX6)
1700 p[index] = value;
1701 else
1702 p[index ^ 1] = value;
1703}
1704
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]1705static int coda_alloc_aux_buf(struct coda_dev *dev,
Philipp Zabelf61c0b12014-07-11 06:36:40 -0300[diff] [blame]1706 struct coda_aux_buf *buf, size_t size,
1707 const char *name, struct dentry *parent)
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]1708{
1709 buf->vaddr = dma_alloc_coherent(&dev->plat_dev->dev, size, &buf->paddr,
1710 GFP_KERNEL);
1711 if (!buf->vaddr)
1712 return -ENOMEM;
1713
1714 buf->size = size;
1715
Philipp Zabelf61c0b12014-07-11 06:36:40 -0300[diff] [blame]1716 if (name && parent) {
1717 buf->blob.data = buf->vaddr;
1718 buf->blob.size = size;
1719 buf->dentry = debugfs_create_blob(name, 0644, parent, &buf->blob);
1720 if (!buf->dentry)
1721 dev_warn(&dev->plat_dev->dev,
1722 "failed to create debugfs entry %s\n", name);
1723 }
1724
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]1725 return 0;
1726}
1727
1728static inline int coda_alloc_context_buf(struct coda_ctx *ctx,
Philipp Zabelf61c0b12014-07-11 06:36:40 -0300[diff] [blame]1729 struct coda_aux_buf *buf, size_t size,
1730 const char *name)
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]1731{
Philipp Zabelf61c0b12014-07-11 06:36:40 -0300[diff] [blame]1732 return coda_alloc_aux_buf(ctx->dev, buf, size, name, ctx->debugfs_entry);
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]1733}
1734
1735static void coda_free_aux_buf(struct coda_dev *dev,
1736 struct coda_aux_buf *buf)
1737{
1738 if (buf->vaddr) {
1739 dma_free_coherent(&dev->plat_dev->dev, buf->size,
1740 buf->vaddr, buf->paddr);
1741 buf->vaddr = NULL;
1742 buf->size = 0;
1743 }
Philipp Zabelf61c0b12014-07-11 06:36:40 -0300[diff] [blame]1744 debugfs_remove(buf->dentry);
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]1745}
1746
1747static void coda_free_framebuffers(struct coda_ctx *ctx)
1748{
1749 int i;
1750
1751 for (i = 0; i < CODA_MAX_FRAMEBUFFERS; i++)
1752 coda_free_aux_buf(ctx->dev, &ctx->internal_frames[i]);
1753}
1754
Philipp Zabelec25f682012-07-20 08:54:29 -0300[diff] [blame]1755static int coda_alloc_framebuffers(struct coda_ctx *ctx, struct coda_q_data *q_data, u32 fourcc)
1756{
1757 struct coda_dev *dev = ctx->dev;
Philipp Zabel7c3df782014-07-11 06:36:38 -0300[diff] [blame]1758 int width, height;
Philipp Zabel86eda902013-05-23 10:42:57 -0300[diff] [blame]1759 dma_addr_t paddr;
1760 int ysize;
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]1761 int ret;
Philipp Zabelec25f682012-07-20 08:54:29 -0300[diff] [blame]1762 int i;
1763
Philipp Zabel7c3df782014-07-11 06:36:38 -0300[diff] [blame]1764 if (ctx->codec && (ctx->codec->src_fourcc == V4L2_PIX_FMT_H264 ||
1765 ctx->codec->dst_fourcc == V4L2_PIX_FMT_H264)) {
1766 width = round_up(q_data->width, 16);
1767 height = round_up(q_data->height, 16);
1768 } else {
1769 width = round_up(q_data->width, 8);
1770 height = q_data->height;
1771 }
1772 ysize = width * height;
Philipp Zabel86eda902013-05-23 10:42:57 -0300[diff] [blame]1773
Philipp Zabelec25f682012-07-20 08:54:29 -0300[diff] [blame]1774 /* Allocate frame buffers */
Philipp Zabelec25f682012-07-20 08:54:29 -0300[diff] [blame]1775 for (i = 0; i < ctx->num_internal_frames; i++) {
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]1776 size_t size;
Philipp Zabelf61c0b12014-07-11 06:36:40 -0300[diff] [blame]1777 char *name;
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]1778
Philipp Zabelaed14b02014-07-11 06:36:15 -0300[diff] [blame]1779 size = ysize + ysize / 2;
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]1780 if (ctx->codec->src_fourcc == V4L2_PIX_FMT_H264 &&
1781 dev->devtype->product != CODA_DX6)
Philipp Zabelaed14b02014-07-11 06:36:15 -0300[diff] [blame]1782 size += ysize / 4;
Philipp Zabelf61c0b12014-07-11 06:36:40 -0300[diff] [blame]1783 name = kasprintf(GFP_KERNEL, "fb%d", i);
1784 ret = coda_alloc_context_buf(ctx, &ctx->internal_frames[i],
1785 size, name);
1786 kfree(name);
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]1787 if (ret < 0) {
Philipp Zabelec25f682012-07-20 08:54:29 -0300[diff] [blame]1788 coda_free_framebuffers(ctx);
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]1789 return ret;
Philipp Zabelec25f682012-07-20 08:54:29 -0300[diff] [blame]1790 }
1791 }
1792
1793 /* Register frame buffers in the parameter buffer */
Philipp Zabel86eda902013-05-23 10:42:57 -0300[diff] [blame]1794 for (i = 0; i < ctx->num_internal_frames; i++) {
1795 paddr = ctx->internal_frames[i].paddr;
1796 coda_parabuf_write(ctx, i * 3 + 0, paddr); /* Y */
1797 coda_parabuf_write(ctx, i * 3 + 1, paddr + ysize); /* Cb */
1798 coda_parabuf_write(ctx, i * 3 + 2, paddr + ysize + ysize/4); /* Cr */
Philipp Zabelec25f682012-07-20 08:54:29 -0300[diff] [blame]1799
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]1800 /* mvcol buffer for h.264 */
1801 if (ctx->codec->src_fourcc == V4L2_PIX_FMT_H264 &&
1802 dev->devtype->product != CODA_DX6)
1803 coda_parabuf_write(ctx, 96 + i,
1804 ctx->internal_frames[i].paddr +
1805 ysize + ysize/4 + ysize/4);
Philipp Zabelec25f682012-07-20 08:54:29 -0300[diff] [blame]1806 }
1807
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]1808 /* mvcol buffer for mpeg4 */
1809 if ((dev->devtype->product != CODA_DX6) &&
1810 (ctx->codec->src_fourcc == V4L2_PIX_FMT_MPEG4))
1811 coda_parabuf_write(ctx, 97, ctx->internal_frames[i].paddr +
1812 ysize + ysize/4 + ysize/4);
1813
Philipp Zabelec25f682012-07-20 08:54:29 -0300[diff] [blame]1814 return 0;
1815}
1816
Javier Martin3f3f5c72012-10-29 05:20:29 -0300[diff] [blame]1817static int coda_h264_padding(int size, char *p)
1818{
Javier Martin3f3f5c72012-10-29 05:20:29 -0300[diff] [blame]1819 int nal_size;
1820 int diff;
1821
Javier Martin832fbb52012-10-29 08:34:59 -0300[diff] [blame]1822 diff = size - (size & ~0x7);
Javier Martin3f3f5c72012-10-29 05:20:29 -0300[diff] [blame]1823 if (diff == 0)
1824 return 0;
1825
Javier Martin832fbb52012-10-29 08:34:59 -0300[diff] [blame]1826 nal_size = coda_filler_size[diff];
Javier Martin3f3f5c72012-10-29 05:20:29 -0300[diff] [blame]1827 memcpy(p, coda_filler_nal, nal_size);
1828
1829 /* Add rbsp stop bit and trailing at the end */
1830 *(p + nal_size - 1) = 0x80;
1831
1832 return nal_size;
1833}
1834
Philipp Zabelb313bcc2014-07-11 06:36:16 -0300[diff] [blame]1835static phys_addr_t coda_iram_alloc(struct coda_iram_info *iram, size_t size)
1836{
1837 phys_addr_t ret;
1838
1839 size = round_up(size, 1024);
1840 if (size > iram->remaining)
1841 return 0;
1842 iram->remaining -= size;
1843
1844 ret = iram->next_paddr;
1845 iram->next_paddr += size;
1846
1847 return ret;
1848}
1849
Philipp Zabelc2d22512013-06-21 03:55:28 -0300[diff] [blame]1850static void coda_setup_iram(struct coda_ctx *ctx)
1851{
1852 struct coda_iram_info *iram_info = &ctx->iram_info;
1853 struct coda_dev *dev = ctx->dev;
Philipp Zabelc2d22512013-06-21 03:55:28 -0300[diff] [blame]1854 int mb_width;
Philipp Zabelb313bcc2014-07-11 06:36:16 -0300[diff] [blame]1855 int dbk_bits;
1856 int bit_bits;
1857 int ip_bits;
Philipp Zabelc2d22512013-06-21 03:55:28 -0300[diff] [blame]1858
1859 memset(iram_info, 0, sizeof(*iram_info));
Philipp Zabelb313bcc2014-07-11 06:36:16 -0300[diff] [blame]1860 iram_info->next_paddr = dev->iram.paddr;
1861 iram_info->remaining = dev->iram.size;
Philipp Zabelc2d22512013-06-21 03:55:28 -0300[diff] [blame]1862
Philipp Zabelb313bcc2014-07-11 06:36:16 -0300[diff] [blame]1863 switch (dev->devtype->product) {
1864 case CODA_7541:
1865 dbk_bits = CODA7_USE_HOST_DBK_ENABLE | CODA7_USE_DBK_ENABLE;
1866 bit_bits = CODA7_USE_HOST_BIT_ENABLE | CODA7_USE_BIT_ENABLE;
1867 ip_bits = CODA7_USE_HOST_IP_ENABLE | CODA7_USE_IP_ENABLE;
1868 break;
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]1869 case CODA_960:
1870 dbk_bits = CODA9_USE_HOST_DBK_ENABLE | CODA9_USE_DBK_ENABLE;
1871 bit_bits = CODA9_USE_HOST_BIT_ENABLE | CODA7_USE_BIT_ENABLE;
1872 ip_bits = CODA9_USE_HOST_IP_ENABLE | CODA7_USE_IP_ENABLE;
1873 break;
Philipp Zabelb313bcc2014-07-11 06:36:16 -0300[diff] [blame]1874 default: /* CODA_DX6 */
Philipp Zabelc2d22512013-06-21 03:55:28 -0300[diff] [blame]1875 return;
Philipp Zabelb313bcc2014-07-11 06:36:16 -0300[diff] [blame]1876 }
Philipp Zabelc2d22512013-06-21 03:55:28 -0300[diff] [blame]1877
1878 if (ctx->inst_type == CODA_INST_ENCODER) {
1879 struct coda_q_data *q_data_src;
1880
1881 q_data_src = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
1882 mb_width = DIV_ROUND_UP(q_data_src->width, 16);
1883
1884 /* Prioritize in case IRAM is too small for everything */
Philipp Zabelb313bcc2014-07-11 06:36:16 -0300[diff] [blame]1885 if (dev->devtype->product == CODA_7541) {
1886 iram_info->search_ram_size = round_up(mb_width * 16 *
1887 36 + 2048, 1024);
1888 iram_info->search_ram_paddr = coda_iram_alloc(iram_info,
1889 iram_info->search_ram_size);
1890 if (!iram_info->search_ram_paddr) {
1891 pr_err("IRAM is smaller than the search ram size\n");
1892 goto out;
1893 }
1894 iram_info->axi_sram_use |= CODA7_USE_HOST_ME_ENABLE |
1895 CODA7_USE_ME_ENABLE;
Philipp Zabelc2d22512013-06-21 03:55:28 -0300[diff] [blame]1896 }
1897
1898 /* Only H.264BP and H.263P3 are considered */
Philipp Zabelb313bcc2014-07-11 06:36:16 -0300[diff] [blame]1899 iram_info->buf_dbk_y_use = coda_iram_alloc(iram_info, 64 * mb_width);
1900 iram_info->buf_dbk_c_use = coda_iram_alloc(iram_info, 64 * mb_width);
1901 if (!iram_info->buf_dbk_c_use)
Philipp Zabelc2d22512013-06-21 03:55:28 -0300[diff] [blame]1902 goto out;
Philipp Zabelb313bcc2014-07-11 06:36:16 -0300[diff] [blame]1903 iram_info->axi_sram_use |= dbk_bits;
Philipp Zabelc2d22512013-06-21 03:55:28 -0300[diff] [blame]1904
Philipp Zabelb313bcc2014-07-11 06:36:16 -0300[diff] [blame]1905 iram_info->buf_bit_use = coda_iram_alloc(iram_info, 128 * mb_width);
1906 if (!iram_info->buf_bit_use)
Philipp Zabelc2d22512013-06-21 03:55:28 -0300[diff] [blame]1907 goto out;
Philipp Zabelb313bcc2014-07-11 06:36:16 -0300[diff] [blame]1908 iram_info->axi_sram_use |= bit_bits;
Philipp Zabelc2d22512013-06-21 03:55:28 -0300[diff] [blame]1909
Philipp Zabelb313bcc2014-07-11 06:36:16 -0300[diff] [blame]1910 iram_info->buf_ip_ac_dc_use = coda_iram_alloc(iram_info, 128 * mb_width);
1911 if (!iram_info->buf_ip_ac_dc_use)
1912 goto out;
1913 iram_info->axi_sram_use |= ip_bits;
Philipp Zabelc2d22512013-06-21 03:55:28 -0300[diff] [blame]1914
Philipp Zabel8358e762013-06-21 03:55:32 -0300[diff] [blame]1915 /* OVL and BTP disabled for encoder */
1916 } else if (ctx->inst_type == CODA_INST_DECODER) {
1917 struct coda_q_data *q_data_dst;
Philipp Zabel8358e762013-06-21 03:55:32 -0300[diff] [blame]1918
1919 q_data_dst = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
1920 mb_width = DIV_ROUND_UP(q_data_dst->width, 16);
Philipp Zabel8358e762013-06-21 03:55:32 -0300[diff] [blame]1921
Philipp Zabelb313bcc2014-07-11 06:36:16 -0300[diff] [blame]1922 iram_info->buf_dbk_y_use = coda_iram_alloc(iram_info, 128 * mb_width);
1923 iram_info->buf_dbk_c_use = coda_iram_alloc(iram_info, 128 * mb_width);
1924 if (!iram_info->buf_dbk_c_use)
Philipp Zabel8358e762013-06-21 03:55:32 -0300[diff] [blame]1925 goto out;
Philipp Zabelb313bcc2014-07-11 06:36:16 -0300[diff] [blame]1926 iram_info->axi_sram_use |= dbk_bits;
Philipp Zabel8358e762013-06-21 03:55:32 -0300[diff] [blame]1927
Philipp Zabelb313bcc2014-07-11 06:36:16 -0300[diff] [blame]1928 iram_info->buf_bit_use = coda_iram_alloc(iram_info, 128 * mb_width);
1929 if (!iram_info->buf_bit_use)
Philipp Zabel8358e762013-06-21 03:55:32 -0300[diff] [blame]1930 goto out;
Philipp Zabelb313bcc2014-07-11 06:36:16 -0300[diff] [blame]1931 iram_info->axi_sram_use |= bit_bits;
Philipp Zabel8358e762013-06-21 03:55:32 -0300[diff] [blame]1932
Philipp Zabelb313bcc2014-07-11 06:36:16 -0300[diff] [blame]1933 iram_info->buf_ip_ac_dc_use = coda_iram_alloc(iram_info, 128 * mb_width);
1934 if (!iram_info->buf_ip_ac_dc_use)
Philipp Zabel8358e762013-06-21 03:55:32 -0300[diff] [blame]1935 goto out;
Philipp Zabelb313bcc2014-07-11 06:36:16 -0300[diff] [blame]1936 iram_info->axi_sram_use |= ip_bits;
Philipp Zabel8358e762013-06-21 03:55:32 -0300[diff] [blame]1937
Philipp Zabelb313bcc2014-07-11 06:36:16 -0300[diff] [blame]1938 /* OVL and BTP unused as there is no VC1 support yet */
Philipp Zabelc2d22512013-06-21 03:55:28 -0300[diff] [blame]1939 }
1940
1941out:
Philipp Zabelc2d22512013-06-21 03:55:28 -0300[diff] [blame]1942 if (!(iram_info->axi_sram_use & CODA7_USE_HOST_IP_ENABLE))
1943 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
1944 "IRAM smaller than needed\n");
1945
1946 if (dev->devtype->product == CODA_7541) {
1947 /* TODO - Enabling these causes picture errors on CODA7541 */
Philipp Zabel8358e762013-06-21 03:55:32 -0300[diff] [blame]1948 if (ctx->inst_type == CODA_INST_DECODER) {
1949 /* fw 1.4.50 */
1950 iram_info->axi_sram_use &= ~(CODA7_USE_HOST_IP_ENABLE |
1951 CODA7_USE_IP_ENABLE);
1952 } else {
1953 /* fw 13.4.29 */
Philipp Zabelc2d22512013-06-21 03:55:28 -0300[diff] [blame]1954 iram_info->axi_sram_use &= ~(CODA7_USE_HOST_IP_ENABLE |
1955 CODA7_USE_HOST_DBK_ENABLE |
1956 CODA7_USE_IP_ENABLE |
1957 CODA7_USE_DBK_ENABLE);
1958 }
1959 }
1960}
1961
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]1962static void coda_free_context_buffers(struct coda_ctx *ctx)
1963{
1964 struct coda_dev *dev = ctx->dev;
1965
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]1966 coda_free_aux_buf(dev, &ctx->slicebuf);
1967 coda_free_aux_buf(dev, &ctx->psbuf);
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]1968 if (dev->devtype->product != CODA_DX6)
1969 coda_free_aux_buf(dev, &ctx->workbuf);
1970}
1971
1972static int coda_alloc_context_buffers(struct coda_ctx *ctx,
1973 struct coda_q_data *q_data)
1974{
1975 struct coda_dev *dev = ctx->dev;
1976 size_t size;
1977 int ret;
1978
Philipp Zabele5b0d1c2014-07-11 06:36:41 -0300[diff] [blame]1979 if (dev->devtype->product == CODA_DX6)
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]1980 return 0;
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]1981
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]1982 if (ctx->psbuf.vaddr) {
1983 v4l2_err(&dev->v4l2_dev, "psmembuf still allocated\n");
1984 return -EBUSY;
1985 }
1986 if (ctx->slicebuf.vaddr) {
1987 v4l2_err(&dev->v4l2_dev, "slicebuf still allocated\n");
1988 return -EBUSY;
1989 }
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]1990 if (ctx->workbuf.vaddr) {
1991 v4l2_err(&dev->v4l2_dev, "context buffer still allocated\n");
1992 ret = -EBUSY;
1993 return -ENOMEM;
1994 }
1995
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]1996 if (q_data->fourcc == V4L2_PIX_FMT_H264) {
1997 /* worst case slice size */
1998 size = (DIV_ROUND_UP(q_data->width, 16) *
1999 DIV_ROUND_UP(q_data->height, 16)) * 3200 / 8 + 512;
Philipp Zabelf61c0b12014-07-11 06:36:40 -0300[diff] [blame]2000 ret = coda_alloc_context_buf(ctx, &ctx->slicebuf, size, "slicebuf");
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2001 if (ret < 0) {
2002 v4l2_err(&dev->v4l2_dev, "failed to allocate %d byte slice buffer",
2003 ctx->slicebuf.size);
2004 return ret;
2005 }
2006 }
2007
2008 if (dev->devtype->product == CODA_7541) {
Philipp Zabelf61c0b12014-07-11 06:36:40 -0300[diff] [blame]2009 ret = coda_alloc_context_buf(ctx, &ctx->psbuf, CODA7_PS_BUF_SIZE, "psbuf");
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2010 if (ret < 0) {
2011 v4l2_err(&dev->v4l2_dev, "failed to allocate psmem buffer");
2012 goto err;
2013 }
2014 }
2015
Philipp Zabele5b0d1c2014-07-11 06:36:41 -0300[diff] [blame]2016 size = dev->devtype->workbuf_size;
2017 if (dev->devtype->product == CODA_960 &&
2018 q_data->fourcc == V4L2_PIX_FMT_H264)
2019 size += CODA9_PS_SAVE_SIZE;
Philipp Zabelf61c0b12014-07-11 06:36:40 -0300[diff] [blame]2020 ret = coda_alloc_context_buf(ctx, &ctx->workbuf, size, "workbuf");
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]2021 if (ret < 0) {
2022 v4l2_err(&dev->v4l2_dev, "failed to allocate %d byte context buffer",
2023 ctx->workbuf.size);
2024 goto err;
2025 }
2026
2027 return 0;
2028
2029err:
2030 coda_free_context_buffers(ctx);
2031 return ret;
2032}
2033
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2034static int coda_start_decoding(struct coda_ctx *ctx)
2035{
2036 struct coda_q_data *q_data_src, *q_data_dst;
2037 u32 bitstream_buf, bitstream_size;
2038 struct coda_dev *dev = ctx->dev;
2039 int width, height;
2040 u32 src_fourcc;
2041 u32 val;
2042 int ret;
2043
2044 /* Start decoding */
2045 q_data_src = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
2046 q_data_dst = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
2047 bitstream_buf = ctx->bitstream.paddr;
2048 bitstream_size = ctx->bitstream.size;
2049 src_fourcc = q_data_src->fourcc;
2050
2051 coda_write(dev, ctx->parabuf.paddr, CODA_REG_BIT_PARA_BUF_ADDR);
2052
2053 /* Update coda bitstream read and write pointers from kfifo */
2054 coda_kfifo_sync_to_device_full(ctx);
2055
2056 ctx->display_idx = -1;
2057 ctx->frm_dis_flg = 0;
2058 coda_write(dev, 0, CODA_REG_BIT_FRM_DIS_FLG(ctx->reg_idx));
2059
2060 coda_write(dev, CODA_BIT_DEC_SEQ_INIT_ESCAPE,
2061 CODA_REG_BIT_BIT_STREAM_PARAM);
2062
2063 coda_write(dev, bitstream_buf, CODA_CMD_DEC_SEQ_BB_START);
2064 coda_write(dev, bitstream_size / 1024, CODA_CMD_DEC_SEQ_BB_SIZE);
2065 val = 0;
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]2066 if ((dev->devtype->product == CODA_7541) ||
2067 (dev->devtype->product == CODA_960))
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2068 val |= CODA_REORDER_ENABLE;
2069 coda_write(dev, val, CODA_CMD_DEC_SEQ_OPTION);
2070
2071 ctx->params.codec_mode = ctx->codec->mode;
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]2072 if (dev->devtype->product == CODA_960 &&
2073 src_fourcc == V4L2_PIX_FMT_MPEG4)
2074 ctx->params.codec_mode_aux = CODA_MP4_AUX_MPEG4;
2075 else
2076 ctx->params.codec_mode_aux = 0;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2077 if (src_fourcc == V4L2_PIX_FMT_H264) {
2078 if (dev->devtype->product == CODA_7541) {
2079 coda_write(dev, ctx->psbuf.paddr,
2080 CODA_CMD_DEC_SEQ_PS_BB_START);
2081 coda_write(dev, (CODA7_PS_BUF_SIZE / 1024),
2082 CODA_CMD_DEC_SEQ_PS_BB_SIZE);
2083 }
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]2084 if (dev->devtype->product == CODA_960) {
2085 coda_write(dev, 0, CODA_CMD_DEC_SEQ_X264_MV_EN);
2086 coda_write(dev, 512, CODA_CMD_DEC_SEQ_SPP_CHUNK_SIZE);
2087 }
2088 }
2089 if (dev->devtype->product != CODA_960) {
2090 coda_write(dev, 0, CODA_CMD_DEC_SEQ_SRC_SIZE);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2091 }
2092
2093 if (coda_command_sync(ctx, CODA_COMMAND_SEQ_INIT)) {
2094 v4l2_err(&dev->v4l2_dev, "CODA_COMMAND_SEQ_INIT timeout\n");
2095 coda_write(dev, 0, CODA_REG_BIT_BIT_STREAM_PARAM);
2096 return -ETIMEDOUT;
2097 }
2098
2099 /* Update kfifo out pointer from coda bitstream read pointer */
2100 coda_kfifo_sync_from_device(ctx);
2101
2102 coda_write(dev, 0, CODA_REG_BIT_BIT_STREAM_PARAM);
2103
2104 if (coda_read(dev, CODA_RET_DEC_SEQ_SUCCESS) == 0) {
2105 v4l2_err(&dev->v4l2_dev,
2106 "CODA_COMMAND_SEQ_INIT failed, error code = %d\n",
2107 coda_read(dev, CODA_RET_DEC_SEQ_ERR_REASON));
2108 return -EAGAIN;
2109 }
2110
2111 val = coda_read(dev, CODA_RET_DEC_SEQ_SRC_SIZE);
2112 if (dev->devtype->product == CODA_DX6) {
2113 width = (val >> CODADX6_PICWIDTH_OFFSET) & CODADX6_PICWIDTH_MASK;
2114 height = val & CODADX6_PICHEIGHT_MASK;
2115 } else {
2116 width = (val >> CODA7_PICWIDTH_OFFSET) & CODA7_PICWIDTH_MASK;
2117 height = val & CODA7_PICHEIGHT_MASK;
2118 }
2119
2120 if (width > q_data_dst->width || height > q_data_dst->height) {
2121 v4l2_err(&dev->v4l2_dev, "stream is %dx%d, not %dx%d\n",
2122 width, height, q_data_dst->width, q_data_dst->height);
2123 return -EINVAL;
2124 }
2125
2126 width = round_up(width, 16);
2127 height = round_up(height, 16);
2128
2129 v4l2_dbg(1, coda_debug, &dev->v4l2_dev, "%s instance %d now: %dx%d\n",
2130 __func__, ctx->idx, width, height);
2131
Philipp Zabela500a932014-07-11 06:36:13 -0300[diff] [blame]2132 ctx->num_internal_frames = coda_read(dev, CODA_RET_DEC_SEQ_FRAME_NEED);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2133 if (ctx->num_internal_frames > CODA_MAX_FRAMEBUFFERS) {
2134 v4l2_err(&dev->v4l2_dev,
2135 "not enough framebuffers to decode (%d < %d)\n",
2136 CODA_MAX_FRAMEBUFFERS, ctx->num_internal_frames);
2137 return -EINVAL;
2138 }
2139
Philipp Zabel52c41672014-07-11 06:36:19 -0300[diff] [blame]2140 if (src_fourcc == V4L2_PIX_FMT_H264) {
2141 u32 left_right;
2142 u32 top_bottom;
2143
2144 left_right = coda_read(dev, CODA_RET_DEC_SEQ_CROP_LEFT_RIGHT);
2145 top_bottom = coda_read(dev, CODA_RET_DEC_SEQ_CROP_TOP_BOTTOM);
2146
2147 q_data_dst->rect.left = (left_right >> 10) & 0x3ff;
2148 q_data_dst->rect.top = (top_bottom >> 10) & 0x3ff;
2149 q_data_dst->rect.width = width - q_data_dst->rect.left -
2150 (left_right & 0x3ff);
2151 q_data_dst->rect.height = height - q_data_dst->rect.top -
2152 (top_bottom & 0x3ff);
2153 }
2154
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2155 ret = coda_alloc_framebuffers(ctx, q_data_dst, src_fourcc);
2156 if (ret < 0)
2157 return ret;
2158
2159 /* Tell the decoder how many frame buffers we allocated. */
2160 coda_write(dev, ctx->num_internal_frames, CODA_CMD_SET_FRAME_BUF_NUM);
2161 coda_write(dev, width, CODA_CMD_SET_FRAME_BUF_STRIDE);
2162
2163 if (dev->devtype->product != CODA_DX6) {
2164 /* Set secondary AXI IRAM */
2165 coda_setup_iram(ctx);
2166
2167 coda_write(dev, ctx->iram_info.buf_bit_use,
2168 CODA7_CMD_SET_FRAME_AXI_BIT_ADDR);
2169 coda_write(dev, ctx->iram_info.buf_ip_ac_dc_use,
2170 CODA7_CMD_SET_FRAME_AXI_IPACDC_ADDR);
2171 coda_write(dev, ctx->iram_info.buf_dbk_y_use,
2172 CODA7_CMD_SET_FRAME_AXI_DBKY_ADDR);
2173 coda_write(dev, ctx->iram_info.buf_dbk_c_use,
2174 CODA7_CMD_SET_FRAME_AXI_DBKC_ADDR);
2175 coda_write(dev, ctx->iram_info.buf_ovl_use,
2176 CODA7_CMD_SET_FRAME_AXI_OVL_ADDR);
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]2177 if (dev->devtype->product == CODA_960)
2178 coda_write(dev, ctx->iram_info.buf_btp_use,
2179 CODA9_CMD_SET_FRAME_AXI_BTP_ADDR);
2180 }
2181
2182 if (dev->devtype->product == CODA_960) {
2183 coda_write(dev, -1, CODA9_CMD_SET_FRAME_DELAY);
2184
2185 coda_write(dev, 0x20262024, CODA9_CMD_SET_FRAME_CACHE_SIZE);
2186 coda_write(dev, 2 << CODA9_CACHE_PAGEMERGE_OFFSET |
2187 32 << CODA9_CACHE_LUMA_BUFFER_SIZE_OFFSET |
2188 8 << CODA9_CACHE_CB_BUFFER_SIZE_OFFSET |
2189 8 << CODA9_CACHE_CR_BUFFER_SIZE_OFFSET,
2190 CODA9_CMD_SET_FRAME_CACHE_CONFIG);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2191 }
2192
2193 if (src_fourcc == V4L2_PIX_FMT_H264) {
2194 coda_write(dev, ctx->slicebuf.paddr,
2195 CODA_CMD_SET_FRAME_SLICE_BB_START);
2196 coda_write(dev, ctx->slicebuf.size / 1024,
2197 CODA_CMD_SET_FRAME_SLICE_BB_SIZE);
2198 }
2199
2200 if (dev->devtype->product == CODA_7541) {
2201 int max_mb_x = 1920 / 16;
2202 int max_mb_y = 1088 / 16;
2203 int max_mb_num = max_mb_x * max_mb_y;
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]2204
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2205 coda_write(dev, max_mb_num << 16 | max_mb_x << 8 | max_mb_y,
2206 CODA7_CMD_SET_FRAME_MAX_DEC_SIZE);
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]2207 } else if (dev->devtype->product == CODA_960) {
2208 int max_mb_x = 1920 / 16;
2209 int max_mb_y = 1088 / 16;
2210 int max_mb_num = max_mb_x * max_mb_y;
2211
2212 coda_write(dev, max_mb_num << 16 | max_mb_x << 8 | max_mb_y,
2213 CODA9_CMD_SET_FRAME_MAX_DEC_SIZE);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2214 }
2215
2216 if (coda_command_sync(ctx, CODA_COMMAND_SET_FRAME_BUF)) {
2217 v4l2_err(&ctx->dev->v4l2_dev,
2218 "CODA_COMMAND_SET_FRAME_BUF timeout\n");
2219 return -ETIMEDOUT;
2220 }
2221
2222 return 0;
2223}
2224
Philipp Zabeld35167a2013-05-23 10:42:59 -0300[diff] [blame]2225static int coda_encode_header(struct coda_ctx *ctx, struct vb2_buffer *buf,
2226 int header_code, u8 *header, int *size)
2227{
2228 struct coda_dev *dev = ctx->dev;
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]2229 size_t bufsize;
Philipp Zabeld35167a2013-05-23 10:42:59 -0300[diff] [blame]2230 int ret;
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]2231 int i;
2232
2233 if (dev->devtype->product == CODA_960)
2234 memset(vb2_plane_vaddr(buf, 0), 0, 64);
Philipp Zabeld35167a2013-05-23 10:42:59 -0300[diff] [blame]2235
2236 coda_write(dev, vb2_dma_contig_plane_dma_addr(buf, 0),
2237 CODA_CMD_ENC_HEADER_BB_START);
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]2238 bufsize = vb2_plane_size(buf, 0);
2239 if (dev->devtype->product == CODA_960)
2240 bufsize /= 1024;
2241 coda_write(dev, bufsize, CODA_CMD_ENC_HEADER_BB_SIZE);
Philipp Zabeld35167a2013-05-23 10:42:59 -0300[diff] [blame]2242 coda_write(dev, header_code, CODA_CMD_ENC_HEADER_CODE);
2243 ret = coda_command_sync(ctx, CODA_COMMAND_ENCODE_HEADER);
2244 if (ret < 0) {
2245 v4l2_err(&dev->v4l2_dev, "CODA_COMMAND_ENCODE_HEADER timeout\n");
2246 return ret;
2247 }
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]2248
2249 if (dev->devtype->product == CODA_960) {
2250 for (i = 63; i > 0; i--)
2251 if (((char *)vb2_plane_vaddr(buf, 0))[i] != 0)
2252 break;
2253 *size = i + 1;
2254 } else {
2255 *size = coda_read(dev, CODA_REG_BIT_WR_PTR(ctx->reg_idx)) -
2256 coda_read(dev, CODA_CMD_ENC_HEADER_BB_START);
2257 }
Philipp Zabeld35167a2013-05-23 10:42:59 -0300[diff] [blame]2258 memcpy(header, vb2_plane_vaddr(buf, 0), *size);
2259
2260 return 0;
2261}
2262
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]2263static int coda_start_encoding(struct coda_ctx *ctx);
2264
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2265static int coda_start_streaming(struct vb2_queue *q, unsigned int count)
2266{
2267 struct coda_ctx *ctx = vb2_get_drv_priv(q);
2268 struct v4l2_device *v4l2_dev = &ctx->dev->v4l2_dev;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2269 struct coda_dev *dev = ctx->dev;
2270 struct coda_q_data *q_data_src, *q_data_dst;
Philipp Zabelec25f682012-07-20 08:54:29 -0300[diff] [blame]2271 u32 dst_fourcc;
Philipp Zabeld35167a2013-05-23 10:42:59 -0300[diff] [blame]2272 int ret = 0;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2273
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]2274 q_data_src = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2275 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
2276 if (q_data_src->fourcc == V4L2_PIX_FMT_H264) {
Michael Olbricheabed932014-07-18 07:22:40 -0300[diff] [blame]2277 /* copy the buffers that where queued before streamon */
2278 mutex_lock(&ctx->bitstream_mutex);
2279 coda_fill_bitstream(ctx);
2280 mutex_unlock(&ctx->bitstream_mutex);
2281
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2282 if (coda_get_bitstream_payload(ctx) < 512)
2283 return -EINVAL;
2284 } else {
2285 if (count < 1)
2286 return -EINVAL;
2287 }
2288
2289 ctx->streamon_out = 1;
2290
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]2291 if (coda_format_is_yuv(q_data_src->fourcc))
2292 ctx->inst_type = CODA_INST_ENCODER;
2293 else
2294 ctx->inst_type = CODA_INST_DECODER;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2295 } else {
2296 if (count < 1)
2297 return -EINVAL;
2298
2299 ctx->streamon_cap = 1;
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]2300 }
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2301
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]2302 /* Don't start the coda unless both queues are on */
2303 if (!(ctx->streamon_out & ctx->streamon_cap))
2304 return 0;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2305
Philipp Zabeleb107512013-09-30 10:34:45 -0300[diff] [blame]2306 /* Allow decoder device_run with no new buffers queued */
2307 if (ctx->inst_type == CODA_INST_DECODER)
Philipp Zabel14604e32014-07-11 06:36:22 -0300[diff] [blame]2308 v4l2_m2m_set_src_buffered(ctx->fh.m2m_ctx, true);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2309
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]2310 ctx->gopcounter = ctx->params.gop_size - 1;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2311 q_data_dst = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]2312 dst_fourcc = q_data_dst->fourcc;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2313
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]2314 ctx->codec = coda_find_codec(ctx->dev, q_data_src->fourcc,
2315 q_data_dst->fourcc);
2316 if (!ctx->codec) {
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2317 v4l2_err(v4l2_dev, "couldn't tell instance type.\n");
2318 return -EINVAL;
2319 }
2320
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]2321 /* Allocate per-instance buffers */
2322 ret = coda_alloc_context_buffers(ctx, q_data_src);
2323 if (ret < 0)
2324 return ret;
2325
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2326 if (ctx->inst_type == CODA_INST_DECODER) {
2327 mutex_lock(&dev->coda_mutex);
2328 ret = coda_start_decoding(ctx);
2329 mutex_unlock(&dev->coda_mutex);
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]2330 if (ret == -EAGAIN)
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2331 return 0;
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]2332 else if (ret < 0)
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2333 return ret;
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]2334 } else {
2335 ret = coda_start_encoding(ctx);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2336 }
2337
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]2338 ctx->initialized = 1;
2339 return ret;
2340}
2341
2342static int coda_start_encoding(struct coda_ctx *ctx)
2343{
2344 struct coda_dev *dev = ctx->dev;
2345 struct v4l2_device *v4l2_dev = &dev->v4l2_dev;
2346 struct coda_q_data *q_data_src, *q_data_dst;
2347 u32 bitstream_buf, bitstream_size;
2348 struct vb2_buffer *buf;
2349 int gamma, ret, value;
2350 u32 dst_fourcc;
2351
2352 q_data_src = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
2353 q_data_dst = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
2354 dst_fourcc = q_data_dst->fourcc;
2355
Philipp Zabel14604e32014-07-11 06:36:22 -0300[diff] [blame]2356 buf = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx);
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]2357 bitstream_buf = vb2_dma_contig_plane_dma_addr(buf, 0);
2358 bitstream_size = q_data_dst->sizeimage;
2359
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2360 if (!coda_is_initialized(dev)) {
2361 v4l2_err(v4l2_dev, "coda is not initialized.\n");
2362 return -EFAULT;
2363 }
Philipp Zabelfcb62822013-05-23 10:43:00 -0300[diff] [blame]2364
2365 mutex_lock(&dev->coda_mutex);
2366
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2367 coda_write(dev, ctx->parabuf.paddr, CODA_REG_BIT_PARA_BUF_ADDR);
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]2368 coda_write(dev, bitstream_buf, CODA_REG_BIT_RD_PTR(ctx->reg_idx));
2369 coda_write(dev, bitstream_buf, CODA_REG_BIT_WR_PTR(ctx->reg_idx));
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2370 switch (dev->devtype->product) {
2371 case CODA_DX6:
2372 coda_write(dev, CODADX6_STREAM_BUF_DYNALLOC_EN |
2373 CODADX6_STREAM_BUF_PIC_RESET, CODA_REG_BIT_STREAM_CTRL);
2374 break;
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]2375 case CODA_960:
2376 coda_write(dev, 0, CODA9_GDI_WPROT_RGN_EN);
2377 /* fallthrough */
2378 case CODA_7541:
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2379 coda_write(dev, CODA7_STREAM_BUF_DYNALLOC_EN |
2380 CODA7_STREAM_BUF_PIC_RESET, CODA_REG_BIT_STREAM_CTRL);
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]2381 break;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2382 }
2383
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]2384 value = coda_read(dev, CODA_REG_BIT_FRAME_MEM_CTRL);
2385 value &= ~(1 << 2 | 0x7 << 9);
2386 ctx->frame_mem_ctrl = value;
2387 coda_write(dev, value, CODA_REG_BIT_FRAME_MEM_CTRL);
2388
Philipp Zabel10436672012-07-02 09:03:55 -0300[diff] [blame]2389 if (dev->devtype->product == CODA_DX6) {
2390 /* Configure the coda */
Philipp Zabelb313bcc2014-07-11 06:36:16 -0300[diff] [blame]2391 coda_write(dev, dev->iram.paddr, CODADX6_REG_BIT_SEARCH_RAM_BASE_ADDR);
Philipp Zabel10436672012-07-02 09:03:55 -0300[diff] [blame]2392 }
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2393
2394 /* Could set rotation here if needed */
2395 switch (dev->devtype->product) {
2396 case CODA_DX6:
2397 value = (q_data_src->width & CODADX6_PICWIDTH_MASK) << CODADX6_PICWIDTH_OFFSET;
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]2398 value |= (q_data_src->height & CODADX6_PICHEIGHT_MASK) << CODA_PICHEIGHT_OFFSET;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2399 break;
Philipp Zabel7c3df782014-07-11 06:36:38 -0300[diff] [blame]2400 case CODA_7541:
2401 if (dst_fourcc == V4L2_PIX_FMT_H264) {
2402 value = (round_up(q_data_src->width, 16) &
2403 CODA7_PICWIDTH_MASK) << CODA7_PICWIDTH_OFFSET;
2404 value |= (round_up(q_data_src->height, 16) &
2405 CODA7_PICHEIGHT_MASK) << CODA_PICHEIGHT_OFFSET;
2406 break;
2407 }
2408 /* fallthrough */
2409 case CODA_960:
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2410 value = (q_data_src->width & CODA7_PICWIDTH_MASK) << CODA7_PICWIDTH_OFFSET;
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]2411 value |= (q_data_src->height & CODA7_PICHEIGHT_MASK) << CODA_PICHEIGHT_OFFSET;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2412 }
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2413 coda_write(dev, value, CODA_CMD_ENC_SEQ_SRC_SIZE);
2414 coda_write(dev, ctx->params.framerate,
2415 CODA_CMD_ENC_SEQ_SRC_F_RATE);
2416
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]2417 ctx->params.codec_mode = ctx->codec->mode;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2418 switch (dst_fourcc) {
2419 case V4L2_PIX_FMT_MPEG4:
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]2420 if (dev->devtype->product == CODA_960)
2421 coda_write(dev, CODA9_STD_MPEG4, CODA_CMD_ENC_SEQ_COD_STD);
2422 else
2423 coda_write(dev, CODA_STD_MPEG4, CODA_CMD_ENC_SEQ_COD_STD);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2424 coda_write(dev, 0, CODA_CMD_ENC_SEQ_MP4_PARA);
2425 break;
2426 case V4L2_PIX_FMT_H264:
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]2427 if (dev->devtype->product == CODA_960)
2428 coda_write(dev, CODA9_STD_H264, CODA_CMD_ENC_SEQ_COD_STD);
2429 else
2430 coda_write(dev, CODA_STD_H264, CODA_CMD_ENC_SEQ_COD_STD);
Philipp Zabelde23b1d2014-07-11 06:36:27 -0300[diff] [blame]2431 if (ctx->params.h264_deblk_enabled) {
2432 value = ((ctx->params.h264_deblk_alpha &
2433 CODA_264PARAM_DEBLKFILTEROFFSETALPHA_MASK) <<
2434 CODA_264PARAM_DEBLKFILTEROFFSETALPHA_OFFSET) |
2435 ((ctx->params.h264_deblk_beta &
2436 CODA_264PARAM_DEBLKFILTEROFFSETBETA_MASK) <<
2437 CODA_264PARAM_DEBLKFILTEROFFSETBETA_OFFSET);
2438 } else {
2439 value = 1 << CODA_264PARAM_DISABLEDEBLK_OFFSET;
2440 }
2441 coda_write(dev, value, CODA_CMD_ENC_SEQ_264_PARA);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2442 break;
2443 default:
2444 v4l2_err(v4l2_dev,
2445 "dst format (0x%08x) invalid.\n", dst_fourcc);
Philipp Zabelfcb62822013-05-23 10:43:00 -0300[diff] [blame]2446 ret = -EINVAL;
2447 goto out;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2448 }
2449
Philipp Zabelc566c782012-08-08 11:59:38 -0300[diff] [blame]2450 switch (ctx->params.slice_mode) {
2451 case V4L2_MPEG_VIDEO_MULTI_SLICE_MODE_SINGLE:
2452 value = 0;
2453 break;
2454 case V4L2_MPEG_VIDEO_MULTI_SICE_MODE_MAX_MB:
2455 value = (ctx->params.slice_max_mb & CODA_SLICING_SIZE_MASK) << CODA_SLICING_SIZE_OFFSET;
2456 value |= (1 & CODA_SLICING_UNIT_MASK) << CODA_SLICING_UNIT_OFFSET;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2457 value |= 1 & CODA_SLICING_MODE_MASK;
Philipp Zabelc566c782012-08-08 11:59:38 -0300[diff] [blame]2458 break;
2459 case V4L2_MPEG_VIDEO_MULTI_SICE_MODE_MAX_BYTES:
2460 value = (ctx->params.slice_max_bits & CODA_SLICING_SIZE_MASK) << CODA_SLICING_SIZE_OFFSET;
2461 value |= (0 & CODA_SLICING_UNIT_MASK) << CODA_SLICING_UNIT_OFFSET;
2462 value |= 1 & CODA_SLICING_MODE_MASK;
2463 break;
2464 }
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2465 coda_write(dev, value, CODA_CMD_ENC_SEQ_SLICE_MODE);
Philipp Zabelc566c782012-08-08 11:59:38 -0300[diff] [blame]2466 value = ctx->params.gop_size & CODA_GOP_SIZE_MASK;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2467 coda_write(dev, value, CODA_CMD_ENC_SEQ_GOP_SIZE);
2468
2469 if (ctx->params.bitrate) {
2470 /* Rate control enabled */
2471 value = (ctx->params.bitrate & CODA_RATECONTROL_BITRATE_MASK) << CODA_RATECONTROL_BITRATE_OFFSET;
2472 value |= 1 & CODA_RATECONTROL_ENABLE_MASK;
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]2473 if (dev->devtype->product == CODA_960)
2474 value |= BIT(31); /* disable autoskip */
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2475 } else {
2476 value = 0;
2477 }
2478 coda_write(dev, value, CODA_CMD_ENC_SEQ_RC_PARA);
2479
2480 coda_write(dev, 0, CODA_CMD_ENC_SEQ_RC_BUF_SIZE);
Philipp Zabelf38f79d2014-07-11 06:36:28 -0300[diff] [blame]2481 coda_write(dev, ctx->params.intra_refresh,
2482 CODA_CMD_ENC_SEQ_INTRA_REFRESH);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2483
2484 coda_write(dev, bitstream_buf, CODA_CMD_ENC_SEQ_BB_START);
2485 coda_write(dev, bitstream_size / 1024, CODA_CMD_ENC_SEQ_BB_SIZE);
2486
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2487
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]2488 value = 0;
2489 if (dev->devtype->product == CODA_960)
2490 gamma = CODA9_DEFAULT_GAMMA;
2491 else
2492 gamma = CODA_DEFAULT_GAMMA;
2493 if (gamma > 0) {
2494 coda_write(dev, (gamma & CODA_GAMMA_MASK) << CODA_GAMMA_OFFSET,
2495 CODA_CMD_ENC_SEQ_RC_GAMMA);
2496 }
Philipp Zabel1a5567e2014-07-11 06:36:26 -0300[diff] [blame]2497
2498 if (ctx->params.h264_min_qp || ctx->params.h264_max_qp) {
2499 coda_write(dev,
2500 ctx->params.h264_min_qp << CODA_QPMIN_OFFSET |
2501 ctx->params.h264_max_qp << CODA_QPMAX_OFFSET,
2502 CODA_CMD_ENC_SEQ_RC_QP_MIN_MAX);
2503 }
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]2504 if (dev->devtype->product == CODA_960) {
Philipp Zabel1a5567e2014-07-11 06:36:26 -0300[diff] [blame]2505 if (ctx->params.h264_max_qp)
2506 value |= 1 << CODA9_OPTION_RCQPMAX_OFFSET;
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]2507 if (CODA_DEFAULT_GAMMA > 0)
2508 value |= 1 << CODA9_OPTION_GAMMA_OFFSET;
Philipp Zabelfb1fcf12013-05-23 10:42:53 -0300[diff] [blame]2509 } else {
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]2510 if (CODA_DEFAULT_GAMMA > 0) {
2511 if (dev->devtype->product == CODA_DX6)
2512 value |= 1 << CODADX6_OPTION_GAMMA_OFFSET;
2513 else
2514 value |= 1 << CODA7_OPTION_GAMMA_OFFSET;
2515 }
Philipp Zabel1a5567e2014-07-11 06:36:26 -0300[diff] [blame]2516 if (ctx->params.h264_min_qp)
2517 value |= 1 << CODA7_OPTION_RCQPMIN_OFFSET;
2518 if (ctx->params.h264_max_qp)
2519 value |= 1 << CODA7_OPTION_RCQPMAX_OFFSET;
Philipp Zabelfb1fcf12013-05-23 10:42:53 -0300[diff] [blame]2520 }
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2521 coda_write(dev, value, CODA_CMD_ENC_SEQ_OPTION);
2522
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]2523 coda_write(dev, 0, CODA_CMD_ENC_SEQ_RC_INTERVAL_MODE);
2524
Philipp Zabelc2d22512013-06-21 03:55:28 -0300[diff] [blame]2525 coda_setup_iram(ctx);
2526
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2527 if (dst_fourcc == V4L2_PIX_FMT_H264) {
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]2528 switch (dev->devtype->product) {
2529 case CODA_DX6:
Philipp Zabel0fd84dc2013-09-30 10:34:47 -0300[diff] [blame]2530 value = FMO_SLICE_SAVE_BUF_SIZE << 7;
Philipp Zabel10436672012-07-02 09:03:55 -0300[diff] [blame]2531 coda_write(dev, value, CODADX6_CMD_ENC_SEQ_FMO);
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]2532 break;
2533 case CODA_7541:
Philipp Zabelc2d22512013-06-21 03:55:28 -0300[diff] [blame]2534 coda_write(dev, ctx->iram_info.search_ram_paddr,
2535 CODA7_CMD_ENC_SEQ_SEARCH_BASE);
2536 coda_write(dev, ctx->iram_info.search_ram_size,
2537 CODA7_CMD_ENC_SEQ_SEARCH_SIZE);
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]2538 break;
2539 case CODA_960:
2540 coda_write(dev, 0, CODA9_CMD_ENC_SEQ_ME_OPTION);
2541 coda_write(dev, 0, CODA9_CMD_ENC_SEQ_INTRA_WEIGHT);
Philipp Zabel10436672012-07-02 09:03:55 -0300[diff] [blame]2542 }
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2543 }
2544
Philipp Zabelfcb62822013-05-23 10:43:00 -0300[diff] [blame]2545 ret = coda_command_sync(ctx, CODA_COMMAND_SEQ_INIT);
2546 if (ret < 0) {
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2547 v4l2_err(v4l2_dev, "CODA_COMMAND_SEQ_INIT timeout\n");
Philipp Zabelfcb62822013-05-23 10:43:00 -0300[diff] [blame]2548 goto out;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2549 }
2550
Philipp Zabelfcb62822013-05-23 10:43:00 -0300[diff] [blame]2551 if (coda_read(dev, CODA_RET_ENC_SEQ_SUCCESS) == 0) {
2552 v4l2_err(v4l2_dev, "CODA_COMMAND_SEQ_INIT failed\n");
2553 ret = -EFAULT;
2554 goto out;
2555 }
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2556
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]2557 if (dev->devtype->product == CODA_960)
2558 ctx->num_internal_frames = 4;
2559 else
2560 ctx->num_internal_frames = 2;
Philipp Zabelec25f682012-07-20 08:54:29 -0300[diff] [blame]2561 ret = coda_alloc_framebuffers(ctx, q_data_src, dst_fourcc);
Philipp Zabelfcb62822013-05-23 10:43:00 -0300[diff] [blame]2562 if (ret < 0) {
2563 v4l2_err(v4l2_dev, "failed to allocate framebuffers\n");
2564 goto out;
2565 }
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2566
Philipp Zabelec25f682012-07-20 08:54:29 -0300[diff] [blame]2567 coda_write(dev, ctx->num_internal_frames, CODA_CMD_SET_FRAME_BUF_NUM);
Philipp Zabel2fd6a372014-07-11 06:36:36 -0300[diff] [blame]2568 coda_write(dev, q_data_src->bytesperline,
2569 CODA_CMD_SET_FRAME_BUF_STRIDE);
2570 if (dev->devtype->product == CODA_7541) {
2571 coda_write(dev, q_data_src->bytesperline,
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2572 CODA7_CMD_SET_FRAME_SOURCE_BUF_STRIDE);
Philipp Zabel2fd6a372014-07-11 06:36:36 -0300[diff] [blame]2573 }
Philipp Zabel10436672012-07-02 09:03:55 -0300[diff] [blame]2574 if (dev->devtype->product != CODA_DX6) {
Philipp Zabelc2d22512013-06-21 03:55:28 -0300[diff] [blame]2575 coda_write(dev, ctx->iram_info.buf_bit_use,
2576 CODA7_CMD_SET_FRAME_AXI_BIT_ADDR);
2577 coda_write(dev, ctx->iram_info.buf_ip_ac_dc_use,
2578 CODA7_CMD_SET_FRAME_AXI_IPACDC_ADDR);
2579 coda_write(dev, ctx->iram_info.buf_dbk_y_use,
2580 CODA7_CMD_SET_FRAME_AXI_DBKY_ADDR);
2581 coda_write(dev, ctx->iram_info.buf_dbk_c_use,
2582 CODA7_CMD_SET_FRAME_AXI_DBKC_ADDR);
2583 coda_write(dev, ctx->iram_info.buf_ovl_use,
2584 CODA7_CMD_SET_FRAME_AXI_OVL_ADDR);
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]2585 if (dev->devtype->product == CODA_960) {
2586 coda_write(dev, ctx->iram_info.buf_btp_use,
2587 CODA9_CMD_SET_FRAME_AXI_BTP_ADDR);
2588
2589 /* FIXME */
2590 coda_write(dev, ctx->internal_frames[2].paddr, CODA9_CMD_SET_FRAME_SUBSAMP_A);
2591 coda_write(dev, ctx->internal_frames[3].paddr, CODA9_CMD_SET_FRAME_SUBSAMP_B);
2592 }
Philipp Zabel10436672012-07-02 09:03:55 -0300[diff] [blame]2593 }
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]2594
Philipp Zabelfcb62822013-05-23 10:43:00 -0300[diff] [blame]2595 ret = coda_command_sync(ctx, CODA_COMMAND_SET_FRAME_BUF);
2596 if (ret < 0) {
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2597 v4l2_err(v4l2_dev, "CODA_COMMAND_SET_FRAME_BUF timeout\n");
Philipp Zabelfcb62822013-05-23 10:43:00 -0300[diff] [blame]2598 goto out;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2599 }
2600
2601 /* Save stream headers */
Philipp Zabel14604e32014-07-11 06:36:22 -0300[diff] [blame]2602 buf = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2603 switch (dst_fourcc) {
2604 case V4L2_PIX_FMT_H264:
2605 /*
2606 * Get SPS in the first frame and copy it to an
2607 * intermediate buffer.
2608 */
Philipp Zabeld35167a2013-05-23 10:42:59 -0300[diff] [blame]2609 ret = coda_encode_header(ctx, buf, CODA_HEADER_H264_SPS,
2610 &ctx->vpu_header[0][0],
2611 &ctx->vpu_header_size[0]);
2612 if (ret < 0)
2613 goto out;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2614
2615 /*
2616 * Get PPS in the first frame and copy it to an
2617 * intermediate buffer.
2618 */
Philipp Zabeld35167a2013-05-23 10:42:59 -0300[diff] [blame]2619 ret = coda_encode_header(ctx, buf, CODA_HEADER_H264_PPS,
2620 &ctx->vpu_header[1][0],
2621 &ctx->vpu_header_size[1]);
2622 if (ret < 0)
2623 goto out;
2624
Javier Martin3f3f5c72012-10-29 05:20:29 -0300[diff] [blame]2625 /*
2626 * Length of H.264 headers is variable and thus it might not be
2627 * aligned for the coda to append the encoded frame. In that is
2628 * the case a filler NAL must be added to header 2.
2629 */
2630 ctx->vpu_header_size[2] = coda_h264_padding(
2631 (ctx->vpu_header_size[0] +
2632 ctx->vpu_header_size[1]),
2633 ctx->vpu_header[2]);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2634 break;
2635 case V4L2_PIX_FMT_MPEG4:
2636 /*
2637 * Get VOS in the first frame and copy it to an
2638 * intermediate buffer
2639 */
Philipp Zabeld35167a2013-05-23 10:42:59 -0300[diff] [blame]2640 ret = coda_encode_header(ctx, buf, CODA_HEADER_MP4V_VOS,
2641 &ctx->vpu_header[0][0],
2642 &ctx->vpu_header_size[0]);
2643 if (ret < 0)
2644 goto out;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2645
Philipp Zabeld35167a2013-05-23 10:42:59 -0300[diff] [blame]2646 ret = coda_encode_header(ctx, buf, CODA_HEADER_MP4V_VIS,
2647 &ctx->vpu_header[1][0],
2648 &ctx->vpu_header_size[1]);
2649 if (ret < 0)
2650 goto out;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2651
Philipp Zabeld35167a2013-05-23 10:42:59 -0300[diff] [blame]2652 ret = coda_encode_header(ctx, buf, CODA_HEADER_MP4V_VOL,
2653 &ctx->vpu_header[2][0],
2654 &ctx->vpu_header_size[2]);
2655 if (ret < 0)
2656 goto out;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2657 break;
2658 default:
2659 /* No more formats need to save headers at the moment */
2660 break;
2661 }
2662
Philipp Zabeld35167a2013-05-23 10:42:59 -0300[diff] [blame]2663out:
Philipp Zabelfcb62822013-05-23 10:43:00 -0300[diff] [blame]2664 mutex_unlock(&dev->coda_mutex);
Philipp Zabeld35167a2013-05-23 10:42:59 -0300[diff] [blame]2665 return ret;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2666}
2667
Hans Verkuile37559b2014-04-17 02:47:21 -0300[diff] [blame]2668static void coda_stop_streaming(struct vb2_queue *q)
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2669{
2670 struct coda_ctx *ctx = vb2_get_drv_priv(q);
Philipp Zabel2fb57f02012-07-25 09:22:07 -0300[diff] [blame]2671 struct coda_dev *dev = ctx->dev;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2672
2673 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2674 v4l2_dbg(1, coda_debug, &dev->v4l2_dev,
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2675 "%s: output\n", __func__);
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]2676 ctx->streamon_out = 0;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2677
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]2678 if (ctx->inst_type == CODA_INST_DECODER &&
2679 coda_isbusy(dev) && ctx->idx == coda_read(dev, CODA_REG_BIT_RUN_INDEX)) {
2680 /* if this decoder instance is running, set the stream end flag */
2681 if (dev->devtype->product == CODA_960) {
2682 u32 val = coda_read(dev, CODA_REG_BIT_BIT_STREAM_PARAM);
2683
2684 val |= CODA_BIT_STREAM_END_FLAG;
2685 coda_write(dev, val, CODA_REG_BIT_BIT_STREAM_PARAM);
2686 ctx->bit_stream_param = val;
2687 }
2688 }
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2689 ctx->bit_stream_param |= CODA_BIT_STREAM_END_FLAG;
2690
2691 ctx->isequence = 0;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2692 } else {
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2693 v4l2_dbg(1, coda_debug, &dev->v4l2_dev,
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2694 "%s: capture\n", __func__);
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]2695 ctx->streamon_cap = 0;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2696
2697 ctx->osequence = 0;
Philipp Zabelcb2c0282014-07-11 06:36:33 -0300[diff] [blame]2698 ctx->sequence_offset = 0;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2699 }
2700
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2701 if (!ctx->streamon_out && !ctx->streamon_cap) {
Philipp Zabel846ced92014-07-11 06:36:31 -0300[diff] [blame]2702 struct coda_timestamp *ts;
2703
2704 while (!list_empty(&ctx->timestamp_list)) {
2705 ts = list_first_entry(&ctx->timestamp_list,
2706 struct coda_timestamp, list);
2707 list_del(&ts->list);
2708 kfree(ts);
2709 }
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2710 kfifo_init(&ctx->bitstream_fifo,
2711 ctx->bitstream.vaddr, ctx->bitstream.size);
2712 ctx->runcounter = 0;
Philipp Zabel62bed142012-07-25 10:40:39 -0300[diff] [blame]2713 }
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2714}
2715
2716static struct vb2_ops coda_qops = {
2717 .queue_setup = coda_queue_setup,
2718 .buf_prepare = coda_buf_prepare,
2719 .buf_queue = coda_buf_queue,
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2720 .start_streaming = coda_start_streaming,
2721 .stop_streaming = coda_stop_streaming,
Philipp Zabel152ea1c2014-07-11 06:36:21 -0300[diff] [blame]2722 .wait_prepare = vb2_ops_wait_prepare,
2723 .wait_finish = vb2_ops_wait_finish,
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2724};
2725
2726static int coda_s_ctrl(struct v4l2_ctrl *ctrl)
2727{
2728 struct coda_ctx *ctx =
2729 container_of(ctrl->handler, struct coda_ctx, ctrls);
2730
2731 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
2732 "s_ctrl: id = %d, val = %d\n", ctrl->id, ctrl->val);
2733
2734 switch (ctrl->id) {
Philipp Zabel8f35c7b2012-07-09 04:25:52 -0300[diff] [blame]2735 case V4L2_CID_HFLIP:
2736 if (ctrl->val)
2737 ctx->params.rot_mode |= CODA_MIR_HOR;
2738 else
2739 ctx->params.rot_mode &= ~CODA_MIR_HOR;
2740 break;
2741 case V4L2_CID_VFLIP:
2742 if (ctrl->val)
2743 ctx->params.rot_mode |= CODA_MIR_VER;
2744 else
2745 ctx->params.rot_mode &= ~CODA_MIR_VER;
2746 break;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2747 case V4L2_CID_MPEG_VIDEO_BITRATE:
2748 ctx->params.bitrate = ctrl->val / 1000;
2749 break;
2750 case V4L2_CID_MPEG_VIDEO_GOP_SIZE:
2751 ctx->params.gop_size = ctrl->val;
2752 break;
2753 case V4L2_CID_MPEG_VIDEO_H264_I_FRAME_QP:
2754 ctx->params.h264_intra_qp = ctrl->val;
2755 break;
2756 case V4L2_CID_MPEG_VIDEO_H264_P_FRAME_QP:
2757 ctx->params.h264_inter_qp = ctrl->val;
2758 break;
Philipp Zabel1a5567e2014-07-11 06:36:26 -0300[diff] [blame]2759 case V4L2_CID_MPEG_VIDEO_H264_MIN_QP:
2760 ctx->params.h264_min_qp = ctrl->val;
2761 break;
2762 case V4L2_CID_MPEG_VIDEO_H264_MAX_QP:
2763 ctx->params.h264_max_qp = ctrl->val;
2764 break;
Philipp Zabelde23b1d2014-07-11 06:36:27 -0300[diff] [blame]2765 case V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_ALPHA:
2766 ctx->params.h264_deblk_alpha = ctrl->val;
2767 break;
2768 case V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_BETA:
2769 ctx->params.h264_deblk_beta = ctrl->val;
2770 break;
2771 case V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_MODE:
2772 ctx->params.h264_deblk_enabled = (ctrl->val ==
2773 V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_ENABLED);
2774 break;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2775 case V4L2_CID_MPEG_VIDEO_MPEG4_I_FRAME_QP:
2776 ctx->params.mpeg4_intra_qp = ctrl->val;
2777 break;
2778 case V4L2_CID_MPEG_VIDEO_MPEG4_P_FRAME_QP:
2779 ctx->params.mpeg4_inter_qp = ctrl->val;
2780 break;
2781 case V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MODE:
2782 ctx->params.slice_mode = ctrl->val;
2783 break;
2784 case V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_MB:
2785 ctx->params.slice_max_mb = ctrl->val;
2786 break;
Philipp Zabelc566c782012-08-08 11:59:38 -0300[diff] [blame]2787 case V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_BYTES:
2788 ctx->params.slice_max_bits = ctrl->val * 8;
2789 break;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2790 case V4L2_CID_MPEG_VIDEO_HEADER_MODE:
2791 break;
Philipp Zabelf38f79d2014-07-11 06:36:28 -0300[diff] [blame]2792 case V4L2_CID_MPEG_VIDEO_CYCLIC_INTRA_REFRESH_MB:
2793 ctx->params.intra_refresh = ctrl->val;
2794 break;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2795 default:
2796 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
2797 "Invalid control, id=%d, val=%d\n",
2798 ctrl->id, ctrl->val);
2799 return -EINVAL;
2800 }
2801
2802 return 0;
2803}
2804
2805static struct v4l2_ctrl_ops coda_ctrl_ops = {
2806 .s_ctrl = coda_s_ctrl,
2807};
2808
2809static int coda_ctrls_setup(struct coda_ctx *ctx)
2810{
2811 v4l2_ctrl_handler_init(&ctx->ctrls, 9);
2812
2813 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
Philipp Zabel8f35c7b2012-07-09 04:25:52 -0300[diff] [blame]2814 V4L2_CID_HFLIP, 0, 1, 1, 0);
2815 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
2816 V4L2_CID_VFLIP, 0, 1, 1, 0);
2817 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2818 V4L2_CID_MPEG_VIDEO_BITRATE, 0, 32767000, 1, 0);
2819 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
2820 V4L2_CID_MPEG_VIDEO_GOP_SIZE, 1, 60, 1, 16);
2821 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
Philipp Zabel594a7502014-07-11 06:36:14 -0300[diff] [blame]2822 V4L2_CID_MPEG_VIDEO_H264_I_FRAME_QP, 0, 51, 1, 25);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2823 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
Philipp Zabel594a7502014-07-11 06:36:14 -0300[diff] [blame]2824 V4L2_CID_MPEG_VIDEO_H264_P_FRAME_QP, 0, 51, 1, 25);
Philipp Zabel1a5567e2014-07-11 06:36:26 -0300[diff] [blame]2825 if (ctx->dev->devtype->product != CODA_960) {
2826 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
2827 V4L2_CID_MPEG_VIDEO_H264_MIN_QP, 0, 51, 1, 12);
2828 }
2829 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
2830 V4L2_CID_MPEG_VIDEO_H264_MAX_QP, 0, 51, 1, 51);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2831 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
Philipp Zabelde23b1d2014-07-11 06:36:27 -0300[diff] [blame]2832 V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_ALPHA, 0, 15, 1, 0);
2833 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
2834 V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_BETA, 0, 15, 1, 0);
2835 v4l2_ctrl_new_std_menu(&ctx->ctrls, &coda_ctrl_ops,
2836 V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_MODE,
2837 V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_DISABLED, 0x0,
2838 V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_ENABLED);
2839 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2840 V4L2_CID_MPEG_VIDEO_MPEG4_I_FRAME_QP, 1, 31, 1, 2);
2841 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
2842 V4L2_CID_MPEG_VIDEO_MPEG4_P_FRAME_QP, 1, 31, 1, 2);
2843 v4l2_ctrl_new_std_menu(&ctx->ctrls, &coda_ctrl_ops,
2844 V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MODE,
Philipp Zabelc566c782012-08-08 11:59:38 -0300[diff] [blame]2845 V4L2_MPEG_VIDEO_MULTI_SICE_MODE_MAX_BYTES, 0x0,
2846 V4L2_MPEG_VIDEO_MULTI_SLICE_MODE_SINGLE);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2847 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
2848 V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_MB, 1, 0x3fffffff, 1, 1);
Philipp Zabelc566c782012-08-08 11:59:38 -0300[diff] [blame]2849 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
2850 V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_BYTES, 1, 0x3fffffff, 1, 500);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2851 v4l2_ctrl_new_std_menu(&ctx->ctrls, &coda_ctrl_ops,
2852 V4L2_CID_MPEG_VIDEO_HEADER_MODE,
2853 V4L2_MPEG_VIDEO_HEADER_MODE_JOINED_WITH_1ST_FRAME,
2854 (1 << V4L2_MPEG_VIDEO_HEADER_MODE_SEPARATE),
2855 V4L2_MPEG_VIDEO_HEADER_MODE_JOINED_WITH_1ST_FRAME);
Philipp Zabelf38f79d2014-07-11 06:36:28 -0300[diff] [blame]2856 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
2857 V4L2_CID_MPEG_VIDEO_CYCLIC_INTRA_REFRESH_MB, 0, 1920 * 1088 / 256, 1, 0);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2858
2859 if (ctx->ctrls.error) {
2860 v4l2_err(&ctx->dev->v4l2_dev, "control initialization error (%d)",
2861 ctx->ctrls.error);
2862 return -EINVAL;
2863 }
2864
2865 return v4l2_ctrl_handler_setup(&ctx->ctrls);
2866}
2867
2868static int coda_queue_init(void *priv, struct vb2_queue *src_vq,
2869 struct vb2_queue *dst_vq)
2870{
2871 struct coda_ctx *ctx = priv;
2872 int ret;
2873
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2874 src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT;
Philipp Zabeld29a8cf2014-07-18 07:22:38 -0300[diff] [blame]2875 src_vq->io_modes = VB2_DMABUF | VB2_MMAP;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2876 src_vq->drv_priv = ctx;
2877 src_vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer);
2878 src_vq->ops = &coda_qops;
2879 src_vq->mem_ops = &vb2_dma_contig_memops;
Sakari Ailusade48682014-02-25 19:12:19 -0300[diff] [blame]2880 src_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
Philipp Zabel152ea1c2014-07-11 06:36:21 -0300[diff] [blame]2881 src_vq->lock = &ctx->dev->dev_mutex;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2882
2883 ret = vb2_queue_init(src_vq);
2884 if (ret)
2885 return ret;
2886
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2887 dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
Philipp Zabeld29a8cf2014-07-18 07:22:38 -0300[diff] [blame]2888 dst_vq->io_modes = VB2_DMABUF | VB2_MMAP;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2889 dst_vq->drv_priv = ctx;
2890 dst_vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer);
2891 dst_vq->ops = &coda_qops;
2892 dst_vq->mem_ops = &vb2_dma_contig_memops;
Sakari Ailusade48682014-02-25 19:12:19 -0300[diff] [blame]2893 dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
Philipp Zabel152ea1c2014-07-11 06:36:21 -0300[diff] [blame]2894 dst_vq->lock = &ctx->dev->dev_mutex;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2895
2896 return vb2_queue_init(dst_vq);
2897}
2898
Philipp Zabele11f3e62012-07-25 09:16:58 -0300[diff] [blame]2899static int coda_next_free_instance(struct coda_dev *dev)
2900{
Philipp Zabel0cddc7e2013-09-30 10:34:44 -0300[diff] [blame]2901 int idx = ffz(dev->instance_mask);
2902
2903 if ((idx < 0) ||
2904 (dev->devtype->product == CODA_DX6 && idx > CODADX6_MAX_INSTANCES))
2905 return -EBUSY;
2906
2907 return idx;
Philipp Zabele11f3e62012-07-25 09:16:58 -0300[diff] [blame]2908}
2909
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2910static int coda_open(struct file *file)
2911{
2912 struct coda_dev *dev = video_drvdata(file);
2913 struct coda_ctx *ctx = NULL;
Philipp Zabelf61c0b12014-07-11 06:36:40 -0300[diff] [blame]2914 char *name;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2915 int ret;
Philipp Zabele11f3e62012-07-25 09:16:58 -0300[diff] [blame]2916 int idx;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2917
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2918 ctx = kzalloc(sizeof *ctx, GFP_KERNEL);
2919 if (!ctx)
2920 return -ENOMEM;
2921
Fabio Estevamf82bc202013-08-21 11:14:16 -0300[diff] [blame]2922 idx = coda_next_free_instance(dev);
Philipp Zabel0cddc7e2013-09-30 10:34:44 -0300[diff] [blame]2923 if (idx < 0) {
2924 ret = idx;
Fabio Estevamf82bc202013-08-21 11:14:16 -0300[diff] [blame]2925 goto err_coda_max;
2926 }
2927 set_bit(idx, &dev->instance_mask);
2928
Philipp Zabelf61c0b12014-07-11 06:36:40 -0300[diff] [blame]2929 name = kasprintf(GFP_KERNEL, "context%d", idx);
2930 ctx->debugfs_entry = debugfs_create_dir(name, dev->debugfs_root);
2931 kfree(name);
2932
Philipp Zabel32b6f202014-07-11 06:36:20 -0300[diff] [blame]2933 init_completion(&ctx->completion);
2934 INIT_WORK(&ctx->pic_run_work, coda_pic_run_work);
2935 INIT_WORK(&ctx->seq_end_work, coda_seq_end_work);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2936 v4l2_fh_init(&ctx->fh, video_devdata(file));
2937 file->private_data = &ctx->fh;
2938 v4l2_fh_add(&ctx->fh);
2939 ctx->dev = dev;
Philipp Zabele11f3e62012-07-25 09:16:58 -0300[diff] [blame]2940 ctx->idx = idx;
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]2941 switch (dev->devtype->product) {
2942 case CODA_7541:
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]2943 case CODA_960:
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]2944 ctx->reg_idx = 0;
2945 break;
2946 default:
2947 ctx->reg_idx = idx;
2948 }
Fabio Estevamf82bc202013-08-21 11:14:16 -0300[diff] [blame]2949
Philipp Zabel1e172732014-07-11 06:36:23 -0300[diff] [blame]2950 /* Power up and upload firmware if necessary */
2951 ret = pm_runtime_get_sync(&dev->plat_dev->dev);
2952 if (ret < 0) {
2953 v4l2_err(&dev->v4l2_dev, "failed to power up: %d\n", ret);
2954 goto err_pm_get;
2955 }
2956
Fabio Estevam79830db2013-08-21 11:14:17 -0300[diff] [blame]2957 ret = clk_prepare_enable(dev->clk_per);
2958 if (ret)
2959 goto err_clk_per;
2960
2961 ret = clk_prepare_enable(dev->clk_ahb);
2962 if (ret)
2963 goto err_clk_ahb;
2964
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2965 set_default_params(ctx);
Philipp Zabel14604e32014-07-11 06:36:22 -0300[diff] [blame]2966 ctx->fh.m2m_ctx = v4l2_m2m_ctx_init(dev->m2m_dev, ctx,
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2967 &coda_queue_init);
Philipp Zabel14604e32014-07-11 06:36:22 -0300[diff] [blame]2968 if (IS_ERR(ctx->fh.m2m_ctx)) {
2969 ret = PTR_ERR(ctx->fh.m2m_ctx);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2970
2971 v4l2_err(&dev->v4l2_dev, "%s return error (%d)\n",
2972 __func__, ret);
Fabio Estevamf82bc202013-08-21 11:14:16 -0300[diff] [blame]2973 goto err_ctx_init;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2974 }
Philipp Zabel152ea1c2014-07-11 06:36:21 -0300[diff] [blame]2975
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2976 ret = coda_ctrls_setup(ctx);
2977 if (ret) {
2978 v4l2_err(&dev->v4l2_dev, "failed to setup coda controls\n");
Fabio Estevamf82bc202013-08-21 11:14:16 -0300[diff] [blame]2979 goto err_ctrls_setup;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2980 }
2981
2982 ctx->fh.ctrl_handler = &ctx->ctrls;
2983
Philipp Zabelf61c0b12014-07-11 06:36:40 -0300[diff] [blame]2984 ret = coda_alloc_context_buf(ctx, &ctx->parabuf, CODA_PARA_BUF_SIZE,
2985 "parabuf");
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]2986 if (ret < 0) {
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2987 v4l2_err(&dev->v4l2_dev, "failed to allocate parabuf");
Fabio Estevamf82bc202013-08-21 11:14:16 -0300[diff] [blame]2988 goto err_dma_alloc;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2989 }
2990
Philipp Zabel9082a7c2013-06-21 03:55:31 -0300[diff] [blame]2991 ctx->bitstream.size = CODA_MAX_FRAME_SIZE;
2992 ctx->bitstream.vaddr = dma_alloc_writecombine(&dev->plat_dev->dev,
2993 ctx->bitstream.size, &ctx->bitstream.paddr, GFP_KERNEL);
2994 if (!ctx->bitstream.vaddr) {
2995 v4l2_err(&dev->v4l2_dev, "failed to allocate bitstream ringbuffer");
2996 ret = -ENOMEM;
Fabio Estevamf82bc202013-08-21 11:14:16 -0300[diff] [blame]2997 goto err_dma_writecombine;
Philipp Zabel9082a7c2013-06-21 03:55:31 -0300[diff] [blame]2998 }
2999 kfifo_init(&ctx->bitstream_fifo,
3000 ctx->bitstream.vaddr, ctx->bitstream.size);
3001 mutex_init(&ctx->bitstream_mutex);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]3002 mutex_init(&ctx->buffer_mutex);
Philipp Zabel846ced92014-07-11 06:36:31 -0300[diff] [blame]3003 INIT_LIST_HEAD(&ctx->timestamp_list);
Philipp Zabel9082a7c2013-06-21 03:55:31 -0300[diff] [blame]3004
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3005 coda_lock(ctx);
Philipp Zabele11f3e62012-07-25 09:16:58 -0300[diff] [blame]3006 list_add(&ctx->list, &dev->instances);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3007 coda_unlock(ctx);
3008
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3009 v4l2_dbg(1, coda_debug, &dev->v4l2_dev, "Created instance %d (%p)\n",
3010 ctx->idx, ctx);
3011
3012 return 0;
3013
Fabio Estevamf82bc202013-08-21 11:14:16 -0300[diff] [blame]3014err_dma_writecombine:
3015 coda_free_context_buffers(ctx);
3016 if (ctx->dev->devtype->product == CODA_DX6)
3017 coda_free_aux_buf(dev, &ctx->workbuf);
3018 coda_free_aux_buf(dev, &ctx->parabuf);
3019err_dma_alloc:
3020 v4l2_ctrl_handler_free(&ctx->ctrls);
3021err_ctrls_setup:
Philipp Zabel14604e32014-07-11 06:36:22 -0300[diff] [blame]3022 v4l2_m2m_ctx_release(ctx->fh.m2m_ctx);
Fabio Estevamf82bc202013-08-21 11:14:16 -0300[diff] [blame]3023err_ctx_init:
3024 clk_disable_unprepare(dev->clk_ahb);
Fabio Estevam79830db2013-08-21 11:14:17 -0300[diff] [blame]3025err_clk_ahb:
Fabio Estevamf82bc202013-08-21 11:14:16 -0300[diff] [blame]3026 clk_disable_unprepare(dev->clk_per);
Fabio Estevam79830db2013-08-21 11:14:17 -0300[diff] [blame]3027err_clk_per:
Philipp Zabel1e172732014-07-11 06:36:23 -0300[diff] [blame]3028 pm_runtime_put_sync(&dev->plat_dev->dev);
3029err_pm_get:
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3030 v4l2_fh_del(&ctx->fh);
3031 v4l2_fh_exit(&ctx->fh);
Fabio Estevamf82bc202013-08-21 11:14:16 -0300[diff] [blame]3032 clear_bit(ctx->idx, &dev->instance_mask);
3033err_coda_max:
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3034 kfree(ctx);
3035 return ret;
3036}
3037
3038static int coda_release(struct file *file)
3039{
3040 struct coda_dev *dev = video_drvdata(file);
3041 struct coda_ctx *ctx = fh_to_ctx(file->private_data);
3042
3043 v4l2_dbg(1, coda_debug, &dev->v4l2_dev, "Releasing instance %p\n",
3044 ctx);
3045
Philipp Zabelf61c0b12014-07-11 06:36:40 -0300[diff] [blame]3046 debugfs_remove_recursive(ctx->debugfs_entry);
3047
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]3048 /* If this instance is running, call .job_abort and wait for it to end */
Philipp Zabel14604e32014-07-11 06:36:22 -0300[diff] [blame]3049 v4l2_m2m_ctx_release(ctx->fh.m2m_ctx);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]3050
3051 /* In case the instance was not running, we still need to call SEQ_END */
Philipp Zabel32b6f202014-07-11 06:36:20 -0300[diff] [blame]3052 if (ctx->initialized) {
3053 queue_work(dev->workqueue, &ctx->seq_end_work);
3054 flush_work(&ctx->seq_end_work);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]3055 }
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]3056
3057 coda_free_framebuffers(ctx);
3058
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3059 coda_lock(ctx);
Philipp Zabele11f3e62012-07-25 09:16:58 -0300[diff] [blame]3060 list_del(&ctx->list);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3061 coda_unlock(ctx);
3062
Philipp Zabel9082a7c2013-06-21 03:55:31 -0300[diff] [blame]3063 dma_free_writecombine(&dev->plat_dev->dev, ctx->bitstream.size,
3064 ctx->bitstream.vaddr, ctx->bitstream.paddr);
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]3065 coda_free_context_buffers(ctx);
3066 if (ctx->dev->devtype->product == CODA_DX6)
3067 coda_free_aux_buf(dev, &ctx->workbuf);
3068
3069 coda_free_aux_buf(dev, &ctx->parabuf);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3070 v4l2_ctrl_handler_free(&ctx->ctrls);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3071 clk_disable_unprepare(dev->clk_ahb);
Fabio Estevamf82bc202013-08-21 11:14:16 -0300[diff] [blame]3072 clk_disable_unprepare(dev->clk_per);
Philipp Zabel1e172732014-07-11 06:36:23 -0300[diff] [blame]3073 pm_runtime_put_sync(&dev->plat_dev->dev);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3074 v4l2_fh_del(&ctx->fh);
3075 v4l2_fh_exit(&ctx->fh);
Philipp Zabele11f3e62012-07-25 09:16:58 -0300[diff] [blame]3076 clear_bit(ctx->idx, &dev->instance_mask);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3077 kfree(ctx);
3078
3079 return 0;
3080}
3081
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3082static const struct v4l2_file_operations coda_fops = {
3083 .owner = THIS_MODULE,
3084 .open = coda_open,
3085 .release = coda_release,
Philipp Zabel152ea1c2014-07-11 06:36:21 -0300[diff] [blame]3086 .poll = v4l2_m2m_fop_poll,
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3087 .unlocked_ioctl = video_ioctl2,
Philipp Zabel152ea1c2014-07-11 06:36:21 -0300[diff] [blame]3088 .mmap = v4l2_m2m_fop_mmap,
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3089};
3090
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]3091static void coda_finish_decode(struct coda_ctx *ctx)
3092{
3093 struct coda_dev *dev = ctx->dev;
3094 struct coda_q_data *q_data_src;
3095 struct coda_q_data *q_data_dst;
3096 struct vb2_buffer *dst_buf;
Philipp Zabel846ced92014-07-11 06:36:31 -0300[diff] [blame]3097 struct coda_timestamp *ts;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]3098 int width, height;
3099 int decoded_idx;
3100 int display_idx;
3101 u32 src_fourcc;
3102 int success;
Philipp Zabel410e5e42014-07-11 06:36:32 -0300[diff] [blame]3103 u32 err_mb;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]3104 u32 val;
3105
Philipp Zabel14604e32014-07-11 06:36:22 -0300[diff] [blame]3106 dst_buf = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]3107
3108 /* Update kfifo out pointer from coda bitstream read pointer */
3109 coda_kfifo_sync_from_device(ctx);
3110
3111 /*
3112 * in stream-end mode, the read pointer can overshoot the write pointer
3113 * by up to 512 bytes
3114 */
3115 if (ctx->bit_stream_param & CODA_BIT_STREAM_END_FLAG) {
Michael Olbrich390503b2014-07-18 07:22:39 -0300[diff] [blame]3116 if (coda_get_bitstream_payload(ctx) >= CODA_MAX_FRAME_SIZE - 512)
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]3117 kfifo_init(&ctx->bitstream_fifo,
3118 ctx->bitstream.vaddr, ctx->bitstream.size);
3119 }
3120
3121 q_data_src = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
3122 src_fourcc = q_data_src->fourcc;
3123
3124 val = coda_read(dev, CODA_RET_DEC_PIC_SUCCESS);
3125 if (val != 1)
3126 pr_err("DEC_PIC_SUCCESS = %d\n", val);
3127
3128 success = val & 0x1;
3129 if (!success)
3130 v4l2_err(&dev->v4l2_dev, "decode failed\n");
3131
3132 if (src_fourcc == V4L2_PIX_FMT_H264) {
3133 if (val & (1 << 3))
3134 v4l2_err(&dev->v4l2_dev,
3135 "insufficient PS buffer space (%d bytes)\n",
3136 ctx->psbuf.size);
3137 if (val & (1 << 2))
3138 v4l2_err(&dev->v4l2_dev,
3139 "insufficient slice buffer space (%d bytes)\n",
3140 ctx->slicebuf.size);
3141 }
3142
3143 val = coda_read(dev, CODA_RET_DEC_PIC_SIZE);
3144 width = (val >> 16) & 0xffff;
3145 height = val & 0xffff;
3146
3147 q_data_dst = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
3148
Philipp Zabel52c41672014-07-11 06:36:19 -0300[diff] [blame]3149 /* frame crop information */
3150 if (src_fourcc == V4L2_PIX_FMT_H264) {
3151 u32 left_right;
3152 u32 top_bottom;
3153
3154 left_right = coda_read(dev, CODA_RET_DEC_PIC_CROP_LEFT_RIGHT);
3155 top_bottom = coda_read(dev, CODA_RET_DEC_PIC_CROP_TOP_BOTTOM);
3156
3157 if (left_right == 0xffffffff && top_bottom == 0xffffffff) {
3158 /* Keep current crop information */
3159 } else {
3160 struct v4l2_rect *rect = &q_data_dst->rect;
3161
3162 rect->left = left_right >> 16 & 0xffff;
3163 rect->top = top_bottom >> 16 & 0xffff;
3164 rect->width = width - rect->left -
3165 (left_right & 0xffff);
3166 rect->height = height - rect->top -
3167 (top_bottom & 0xffff);
3168 }
3169 } else {
3170 /* no cropping */
3171 }
3172
Philipp Zabel410e5e42014-07-11 06:36:32 -0300[diff] [blame]3173 err_mb = coda_read(dev, CODA_RET_DEC_PIC_ERR_MB);
3174 if (err_mb > 0)
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]3175 v4l2_err(&dev->v4l2_dev,
Philipp Zabel410e5e42014-07-11 06:36:32 -0300[diff] [blame]3176 "errors in %d macroblocks\n", err_mb);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]3177
3178 if (dev->devtype->product == CODA_7541) {
3179 val = coda_read(dev, CODA_RET_DEC_PIC_OPTION);
3180 if (val == 0) {
3181 /* not enough bitstream data */
3182 v4l2_dbg(1, coda_debug, &dev->v4l2_dev,
3183 "prescan failed: %d\n", val);
Philipp Zabel84e23652014-07-11 06:36:34 -0300[diff] [blame]3184 ctx->hold = true;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]3185 return;
3186 }
3187 }
3188
3189 ctx->frm_dis_flg = coda_read(dev, CODA_REG_BIT_FRM_DIS_FLG(ctx->reg_idx));
3190
3191 /*
3192 * The previous display frame was copied out by the rotator,
3193 * now it can be overwritten again
3194 */
3195 if (ctx->display_idx >= 0 &&
3196 ctx->display_idx < ctx->num_internal_frames) {
3197 ctx->frm_dis_flg &= ~(1 << ctx->display_idx);
3198 coda_write(dev, ctx->frm_dis_flg,
3199 CODA_REG_BIT_FRM_DIS_FLG(ctx->reg_idx));
3200 }
3201
3202 /*
3203 * The index of the last decoded frame, not necessarily in
3204 * display order, and the index of the next display frame.
3205 * The latter could have been decoded in a previous run.
3206 */
3207 decoded_idx = coda_read(dev, CODA_RET_DEC_PIC_CUR_IDX);
3208 display_idx = coda_read(dev, CODA_RET_DEC_PIC_FRAME_IDX);
3209
3210 if (decoded_idx == -1) {
3211 /* no frame was decoded, but we might have a display frame */
Philipp Zabelcb2c0282014-07-11 06:36:33 -0300[diff] [blame]3212 if (display_idx >= 0 && display_idx < ctx->num_internal_frames)
3213 ctx->sequence_offset++;
3214 else if (ctx->display_idx < 0)
Philipp Zabel84e23652014-07-11 06:36:34 -0300[diff] [blame]3215 ctx->hold = true;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]3216 } else if (decoded_idx == -2) {
3217 /* no frame was decoded, we still return the remaining buffers */
3218 } else if (decoded_idx < 0 || decoded_idx >= ctx->num_internal_frames) {
3219 v4l2_err(&dev->v4l2_dev,
3220 "decoded frame index out of range: %d\n", decoded_idx);
Philipp Zabel1a8b3812014-07-11 06:36:12 -0300[diff] [blame]3221 } else {
Philipp Zabel846ced92014-07-11 06:36:31 -0300[diff] [blame]3222 ts = list_first_entry(&ctx->timestamp_list,
3223 struct coda_timestamp, list);
3224 list_del(&ts->list);
3225 val = coda_read(dev, CODA_RET_DEC_PIC_FRAME_NUM) - 1;
Philipp Zabelcb2c0282014-07-11 06:36:33 -0300[diff] [blame]3226 val -= ctx->sequence_offset;
3227 if (val != (ts->sequence & 0xffff)) {
Philipp Zabel846ced92014-07-11 06:36:31 -0300[diff] [blame]3228 v4l2_err(&dev->v4l2_dev,
Philipp Zabelcb2c0282014-07-11 06:36:33 -0300[diff] [blame]3229 "sequence number mismatch (%d(%d) != %d)\n",
3230 val, ctx->sequence_offset, ts->sequence);
Philipp Zabel846ced92014-07-11 06:36:31 -0300[diff] [blame]3231 }
3232 ctx->frame_timestamps[decoded_idx] = *ts;
3233 kfree(ts);
3234
Philipp Zabel1a8b3812014-07-11 06:36:12 -0300[diff] [blame]3235 val = coda_read(dev, CODA_RET_DEC_PIC_TYPE) & 0x7;
3236 if (val == 0)
3237 ctx->frame_types[decoded_idx] = V4L2_BUF_FLAG_KEYFRAME;
3238 else if (val == 1)
3239 ctx->frame_types[decoded_idx] = V4L2_BUF_FLAG_PFRAME;
3240 else
3241 ctx->frame_types[decoded_idx] = V4L2_BUF_FLAG_BFRAME;
Philipp Zabel410e5e42014-07-11 06:36:32 -0300[diff] [blame]3242
3243 ctx->frame_errors[decoded_idx] = err_mb;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]3244 }
3245
3246 if (display_idx == -1) {
3247 /*
3248 * no more frames to be decoded, but there could still
3249 * be rotator output to dequeue
3250 */
Philipp Zabel84e23652014-07-11 06:36:34 -0300[diff] [blame]3251 ctx->hold = true;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]3252 } else if (display_idx == -3) {
3253 /* possibly prescan failure */
3254 } else if (display_idx < 0 || display_idx >= ctx->num_internal_frames) {
3255 v4l2_err(&dev->v4l2_dev,
3256 "presentation frame index out of range: %d\n",
3257 display_idx);
3258 }
3259
3260 /* If a frame was copied out, return it */
3261 if (ctx->display_idx >= 0 &&
3262 ctx->display_idx < ctx->num_internal_frames) {
Philipp Zabel14604e32014-07-11 06:36:22 -0300[diff] [blame]3263 dst_buf = v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]3264 dst_buf->v4l2_buf.sequence = ctx->osequence++;
3265
Philipp Zabel1a8b3812014-07-11 06:36:12 -0300[diff] [blame]3266 dst_buf->v4l2_buf.flags &= ~(V4L2_BUF_FLAG_KEYFRAME |
3267 V4L2_BUF_FLAG_PFRAME |
3268 V4L2_BUF_FLAG_BFRAME);
3269 dst_buf->v4l2_buf.flags |= ctx->frame_types[ctx->display_idx];
Philipp Zabel846ced92014-07-11 06:36:31 -0300[diff] [blame]3270 ts = &ctx->frame_timestamps[ctx->display_idx];
3271 dst_buf->v4l2_buf.timecode = ts->timecode;
3272 dst_buf->v4l2_buf.timestamp = ts->timestamp;
Philipp Zabel1a8b3812014-07-11 06:36:12 -0300[diff] [blame]3273
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]3274 vb2_set_plane_payload(dst_buf, 0, width * height * 3 / 2);
3275
Philipp Zabel410e5e42014-07-11 06:36:32 -0300[diff] [blame]3276 v4l2_m2m_buf_done(dst_buf, ctx->frame_errors[display_idx] ?
3277 VB2_BUF_STATE_ERROR : VB2_BUF_STATE_DONE);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]3278
3279 v4l2_dbg(1, coda_debug, &dev->v4l2_dev,
3280 "job finished: decoding frame (%d) (%s)\n",
3281 dst_buf->v4l2_buf.sequence,
3282 (dst_buf->v4l2_buf.flags & V4L2_BUF_FLAG_KEYFRAME) ?
3283 "KEYFRAME" : "PFRAME");
3284 } else {
3285 v4l2_dbg(1, coda_debug, &dev->v4l2_dev,
3286 "job finished: no frame decoded\n");
3287 }
3288
3289 /* The rotator will copy the current display frame next time */
3290 ctx->display_idx = display_idx;
3291}
3292
3293static void coda_finish_encode(struct coda_ctx *ctx)
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3294{
Philipp Zabelec25f682012-07-20 08:54:29 -0300[diff] [blame]3295 struct vb2_buffer *src_buf, *dst_buf;
Philipp Zabel477c1cf2013-06-21 03:55:33 -0300[diff] [blame]3296 struct coda_dev *dev = ctx->dev;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3297 u32 wr_ptr, start_ptr;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3298
Philipp Zabel14604e32014-07-11 06:36:22 -0300[diff] [blame]3299 src_buf = v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx);
3300 dst_buf = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3301
3302 /* Get results from the coda */
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3303 start_ptr = coda_read(dev, CODA_CMD_ENC_PIC_BB_START);
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]3304 wr_ptr = coda_read(dev, CODA_REG_BIT_WR_PTR(ctx->reg_idx));
3305
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3306 /* Calculate bytesused field */
3307 if (dst_buf->v4l2_buf.sequence == 0) {
Philipp Zabel366108f2013-06-21 03:55:27 -0300[diff] [blame]3308 vb2_set_plane_payload(dst_buf, 0, wr_ptr - start_ptr +
3309 ctx->vpu_header_size[0] +
3310 ctx->vpu_header_size[1] +
3311 ctx->vpu_header_size[2]);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3312 } else {
Philipp Zabel366108f2013-06-21 03:55:27 -0300[diff] [blame]3313 vb2_set_plane_payload(dst_buf, 0, wr_ptr - start_ptr);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3314 }
3315
3316 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev, "frame size = %u\n",
3317 wr_ptr - start_ptr);
3318
3319 coda_read(dev, CODA_RET_ENC_PIC_SLICE_NUM);
3320 coda_read(dev, CODA_RET_ENC_PIC_FLAG);
3321
Philipp Zabel51660282013-09-30 10:34:49 -0300[diff] [blame]3322 if (coda_read(dev, CODA_RET_ENC_PIC_TYPE) == 0) {
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3323 dst_buf->v4l2_buf.flags |= V4L2_BUF_FLAG_KEYFRAME;
3324 dst_buf->v4l2_buf.flags &= ~V4L2_BUF_FLAG_PFRAME;
3325 } else {
3326 dst_buf->v4l2_buf.flags |= V4L2_BUF_FLAG_PFRAME;
3327 dst_buf->v4l2_buf.flags &= ~V4L2_BUF_FLAG_KEYFRAME;
3328 }
3329
Kamil Debskiccd571c2013-04-24 10:38:24 -0300[diff] [blame]3330 dst_buf->v4l2_buf.timestamp = src_buf->v4l2_buf.timestamp;
Sakari Ailus309f4d62014-02-08 14:21:35 -0300[diff] [blame]3331 dst_buf->v4l2_buf.flags &= ~V4L2_BUF_FLAG_TSTAMP_SRC_MASK;
3332 dst_buf->v4l2_buf.flags |=
3333 src_buf->v4l2_buf.flags & V4L2_BUF_FLAG_TSTAMP_SRC_MASK;
Kamil Debskiccd571c2013-04-24 10:38:24 -0300[diff] [blame]3334 dst_buf->v4l2_buf.timecode = src_buf->v4l2_buf.timecode;
3335
Philipp Zabelec25f682012-07-20 08:54:29 -0300[diff] [blame]3336 v4l2_m2m_buf_done(src_buf, VB2_BUF_STATE_DONE);
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]3337
Philipp Zabel14604e32014-07-11 06:36:22 -0300[diff] [blame]3338 dst_buf = v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3339 v4l2_m2m_buf_done(dst_buf, VB2_BUF_STATE_DONE);
3340
3341 ctx->gopcounter--;
3342 if (ctx->gopcounter < 0)
3343 ctx->gopcounter = ctx->params.gop_size - 1;
3344
3345 v4l2_dbg(1, coda_debug, &dev->v4l2_dev,
3346 "job finished: encoding frame (%d) (%s)\n",
3347 dst_buf->v4l2_buf.sequence,
3348 (dst_buf->v4l2_buf.flags & V4L2_BUF_FLAG_KEYFRAME) ?
3349 "KEYFRAME" : "PFRAME");
Philipp Zabel477c1cf2013-06-21 03:55:33 -0300[diff] [blame]3350}
3351
3352static irqreturn_t coda_irq_handler(int irq, void *data)
3353{
3354 struct coda_dev *dev = data;
3355 struct coda_ctx *ctx;
3356
Philipp Zabel477c1cf2013-06-21 03:55:33 -0300[diff] [blame]3357 /* read status register to attend the IRQ */
3358 coda_read(dev, CODA_REG_BIT_INT_STATUS);
3359 coda_write(dev, CODA_REG_BIT_INT_CLEAR_SET,
3360 CODA_REG_BIT_INT_CLEAR);
3361
3362 ctx = v4l2_m2m_get_curr_priv(dev->m2m_dev);
3363 if (ctx == NULL) {
3364 v4l2_err(&dev->v4l2_dev, "Instance released before the end of transaction\n");
3365 mutex_unlock(&dev->coda_mutex);
3366 return IRQ_HANDLED;
3367 }
3368
3369 if (ctx->aborting) {
3370 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
3371 "task has been aborted\n");
Philipp Zabel477c1cf2013-06-21 03:55:33 -0300[diff] [blame]3372 }
3373
3374 if (coda_isbusy(ctx->dev)) {
3375 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
3376 "coda is still busy!!!!\n");
3377 return IRQ_NONE;
3378 }
3379
Philipp Zabel32b6f202014-07-11 06:36:20 -0300[diff] [blame]3380 complete(&ctx->completion);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3381
3382 return IRQ_HANDLED;
3383}
3384
3385static u32 coda_supported_firmwares[] = {
3386 CODA_FIRMWARE_VERNUM(CODA_DX6, 2, 2, 5),
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]3387 CODA_FIRMWARE_VERNUM(CODA_7541, 1, 4, 50),
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]3388 CODA_FIRMWARE_VERNUM(CODA_960, 2, 1, 5),
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3389};
3390
3391static bool coda_firmware_supported(u32 vernum)
3392{
3393 int i;
3394
3395 for (i = 0; i < ARRAY_SIZE(coda_supported_firmwares); i++)
3396 if (vernum == coda_supported_firmwares[i])
3397 return true;
3398 return false;
3399}
3400
Philipp Zabel87048bb2012-07-02 07:03:43 -0300[diff] [blame]3401static int coda_hw_init(struct coda_dev *dev)
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3402{
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3403 u32 data;
3404 u16 *p;
Fabio Estevam79830db2013-08-21 11:14:17 -0300[diff] [blame]3405 int i, ret;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3406
Fabio Estevam79830db2013-08-21 11:14:17 -0300[diff] [blame]3407 ret = clk_prepare_enable(dev->clk_per);
3408 if (ret)
Philipp Zabel1e172732014-07-11 06:36:23 -0300[diff] [blame]3409 goto err_clk_per;
Fabio Estevam79830db2013-08-21 11:14:17 -0300[diff] [blame]3410
3411 ret = clk_prepare_enable(dev->clk_ahb);
3412 if (ret)
3413 goto err_clk_ahb;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3414
Philipp Zabel8f452842014-07-11 06:36:35 -0300[diff] [blame]3415 if (dev->rstc)
3416 reset_control_reset(dev->rstc);
3417
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3418 /*
3419 * Copy the first CODA_ISRAM_SIZE in the internal SRAM.
Philipp Zabel87048bb2012-07-02 07:03:43 -0300[diff] [blame]3420 * The 16-bit chars in the code buffer are in memory access
3421 * order, re-sort them to CODA order for register download.
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3422 * Data in this SRAM survives a reboot.
3423 */
Philipp Zabel87048bb2012-07-02 07:03:43 -0300[diff] [blame]3424 p = (u16 *)dev->codebuf.vaddr;
3425 if (dev->devtype->product == CODA_DX6) {
3426 for (i = 0; i < (CODA_ISRAM_SIZE / 2); i++) {
3427 data = CODA_DOWN_ADDRESS_SET(i) |
3428 CODA_DOWN_DATA_SET(p[i ^ 1]);
3429 coda_write(dev, data, CODA_REG_BIT_CODE_DOWN);
3430 }
3431 } else {
3432 for (i = 0; i < (CODA_ISRAM_SIZE / 2); i++) {
3433 data = CODA_DOWN_ADDRESS_SET(i) |
3434 CODA_DOWN_DATA_SET(p[round_down(i, 4) +
3435 3 - (i % 4)]);
3436 coda_write(dev, data, CODA_REG_BIT_CODE_DOWN);
3437 }
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3438 }
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3439
Philipp Zabel9acf7692013-05-23 10:42:56 -0300[diff] [blame]3440 /* Clear registers */
3441 for (i = 0; i < 64; i++)
3442 coda_write(dev, 0, CODA_REG_BIT_CODE_BUF_ADDR + i * 4);
3443
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3444 /* Tell the BIT where to find everything it needs */
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]3445 if (dev->devtype->product == CODA_960 ||
3446 dev->devtype->product == CODA_7541) {
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]3447 coda_write(dev, dev->tempbuf.paddr,
3448 CODA_REG_BIT_TEMP_BUF_ADDR);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]3449 coda_write(dev, 0, CODA_REG_BIT_BIT_STREAM_PARAM);
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]3450 } else {
3451 coda_write(dev, dev->workbuf.paddr,
3452 CODA_REG_BIT_WORK_BUF_ADDR);
3453 }
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3454 coda_write(dev, dev->codebuf.paddr,
3455 CODA_REG_BIT_CODE_BUF_ADDR);
3456 coda_write(dev, 0, CODA_REG_BIT_CODE_RUN);
3457
3458 /* Set default values */
3459 switch (dev->devtype->product) {
3460 case CODA_DX6:
3461 coda_write(dev, CODADX6_STREAM_BUF_PIC_FLUSH, CODA_REG_BIT_STREAM_CTRL);
3462 break;
3463 default:
3464 coda_write(dev, CODA7_STREAM_BUF_PIC_FLUSH, CODA_REG_BIT_STREAM_CTRL);
3465 }
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]3466 if (dev->devtype->product == CODA_960)
3467 coda_write(dev, 1 << 12, CODA_REG_BIT_FRAME_MEM_CTRL);
3468 else
3469 coda_write(dev, 0, CODA_REG_BIT_FRAME_MEM_CTRL);
Philipp Zabel10436672012-07-02 09:03:55 -0300[diff] [blame]3470
3471 if (dev->devtype->product != CODA_DX6)
3472 coda_write(dev, 0, CODA7_REG_BIT_AXI_SRAM_USE);
3473
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3474 coda_write(dev, CODA_INT_INTERRUPT_ENABLE,
3475 CODA_REG_BIT_INT_ENABLE);
3476
3477 /* Reset VPU and start processor */
3478 data = coda_read(dev, CODA_REG_BIT_CODE_RESET);
3479 data |= CODA_REG_RESET_ENABLE;
3480 coda_write(dev, data, CODA_REG_BIT_CODE_RESET);
3481 udelay(10);
3482 data &= ~CODA_REG_RESET_ENABLE;
3483 coda_write(dev, data, CODA_REG_BIT_CODE_RESET);
3484 coda_write(dev, CODA_REG_RUN_ENABLE, CODA_REG_BIT_CODE_RUN);
3485
Philipp Zabelfe7554e2014-07-11 06:36:24 -0300[diff] [blame]3486 clk_disable_unprepare(dev->clk_ahb);
3487 clk_disable_unprepare(dev->clk_per);
3488
3489 return 0;
3490
3491err_clk_ahb:
3492 clk_disable_unprepare(dev->clk_per);
3493err_clk_per:
3494 return ret;
3495}
3496
3497static int coda_check_firmware(struct coda_dev *dev)
3498{
3499 u16 product, major, minor, release;
3500 u32 data;
3501 int ret;
3502
3503 ret = clk_prepare_enable(dev->clk_per);
3504 if (ret)
3505 goto err_clk_per;
3506
3507 ret = clk_prepare_enable(dev->clk_ahb);
3508 if (ret)
3509 goto err_clk_ahb;
3510
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3511 coda_write(dev, 0, CODA_CMD_FIRMWARE_VERNUM);
3512 coda_write(dev, CODA_REG_BIT_BUSY_FLAG, CODA_REG_BIT_BUSY);
3513 coda_write(dev, 0, CODA_REG_BIT_RUN_INDEX);
3514 coda_write(dev, 0, CODA_REG_BIT_RUN_COD_STD);
3515 coda_write(dev, CODA_COMMAND_FIRMWARE_GET, CODA_REG_BIT_RUN_COMMAND);
3516 if (coda_wait_timeout(dev)) {
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3517 v4l2_err(&dev->v4l2_dev, "firmware get command error\n");
Philipp Zabelfe7554e2014-07-11 06:36:24 -0300[diff] [blame]3518 ret = -EIO;
3519 goto err_run_cmd;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3520 }
3521
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]3522 if (dev->devtype->product == CODA_960) {
3523 data = coda_read(dev, CODA9_CMD_FIRMWARE_CODE_REV);
3524 v4l2_info(&dev->v4l2_dev, "Firmware code revision: %d\n",
3525 data);
3526 }
3527
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3528 /* Check we are compatible with the loaded firmware */
3529 data = coda_read(dev, CODA_CMD_FIRMWARE_VERNUM);
3530 product = CODA_FIRMWARE_PRODUCT(data);
3531 major = CODA_FIRMWARE_MAJOR(data);
3532 minor = CODA_FIRMWARE_MINOR(data);
3533 release = CODA_FIRMWARE_RELEASE(data);
3534
3535 clk_disable_unprepare(dev->clk_per);
3536 clk_disable_unprepare(dev->clk_ahb);
3537
3538 if (product != dev->devtype->product) {
3539 v4l2_err(&dev->v4l2_dev, "Wrong firmware. Hw: %s, Fw: %s,"
3540 " Version: %u.%u.%u\n",
3541 coda_product_name(dev->devtype->product),
3542 coda_product_name(product), major, minor, release);
3543 return -EINVAL;
3544 }
3545
3546 v4l2_info(&dev->v4l2_dev, "Initialized %s.\n",
3547 coda_product_name(product));
3548
3549 if (coda_firmware_supported(data)) {
3550 v4l2_info(&dev->v4l2_dev, "Firmware version: %u.%u.%u\n",
3551 major, minor, release);
3552 } else {
3553 v4l2_warn(&dev->v4l2_dev, "Unsupported firmware version: "
3554 "%u.%u.%u\n", major, minor, release);
3555 }
3556
3557 return 0;
Fabio Estevam79830db2013-08-21 11:14:17 -0300[diff] [blame]3558
Philipp Zabelfe7554e2014-07-11 06:36:24 -0300[diff] [blame]3559err_run_cmd:
3560 clk_disable_unprepare(dev->clk_ahb);
Fabio Estevam79830db2013-08-21 11:14:17 -0300[diff] [blame]3561err_clk_ahb:
3562 clk_disable_unprepare(dev->clk_per);
Philipp Zabel1e172732014-07-11 06:36:23 -0300[diff] [blame]3563err_clk_per:
Fabio Estevam79830db2013-08-21 11:14:17 -0300[diff] [blame]3564 return ret;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3565}
3566
3567static void coda_fw_callback(const struct firmware *fw, void *context)
3568{
3569 struct coda_dev *dev = context;
3570 struct platform_device *pdev = dev->plat_dev;
3571 int ret;
3572
3573 if (!fw) {
3574 v4l2_err(&dev->v4l2_dev, "firmware request failed\n");
3575 return;
3576 }
3577
3578 /* allocate auxiliary per-device code buffer for the BIT processor */
Philipp Zabelf61c0b12014-07-11 06:36:40 -0300[diff] [blame]3579 ret = coda_alloc_aux_buf(dev, &dev->codebuf, fw->size, "codebuf",
3580 dev->debugfs_root);
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]3581 if (ret < 0) {
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3582 dev_err(&pdev->dev, "failed to allocate code buffer\n");
3583 return;
3584 }
3585
Philipp Zabel87048bb2012-07-02 07:03:43 -0300[diff] [blame]3586 /* Copy the whole firmware image to the code buffer */
3587 memcpy(dev->codebuf.vaddr, fw->data, fw->size);
3588 release_firmware(fw);
3589
Philipp Zabel1e172732014-07-11 06:36:23 -0300[diff] [blame]3590 if (pm_runtime_enabled(&pdev->dev) && pdev->dev.pm_domain) {
3591 /*
3592 * Enabling power temporarily will cause coda_hw_init to be
3593 * called via coda_runtime_resume by the pm domain.
3594 */
3595 ret = pm_runtime_get_sync(&dev->plat_dev->dev);
3596 if (ret < 0) {
3597 v4l2_err(&dev->v4l2_dev, "failed to power on: %d\n",
3598 ret);
3599 return;
3600 }
3601
Philipp Zabelfe7554e2014-07-11 06:36:24 -0300[diff] [blame]3602 ret = coda_check_firmware(dev);
3603 if (ret < 0)
3604 return;
3605
Philipp Zabel1e172732014-07-11 06:36:23 -0300[diff] [blame]3606 pm_runtime_put_sync(&dev->plat_dev->dev);
3607 } else {
3608 /*
3609 * If runtime pm is disabled or pm_domain is not set,
3610 * initialize once manually.
3611 */
3612 ret = coda_hw_init(dev);
3613 if (ret < 0) {
3614 v4l2_err(&dev->v4l2_dev, "HW initialization failed\n");
3615 return;
3616 }
Philipp Zabelfe7554e2014-07-11 06:36:24 -0300[diff] [blame]3617
3618 ret = coda_check_firmware(dev);
3619 if (ret < 0)
3620 return;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3621 }
3622
3623 dev->vfd.fops = &coda_fops,
3624 dev->vfd.ioctl_ops = &coda_ioctl_ops;
3625 dev->vfd.release = video_device_release_empty,
3626 dev->vfd.lock = &dev->dev_mutex;
3627 dev->vfd.v4l2_dev = &dev->v4l2_dev;
Hans Verkuil954f3402012-09-05 06:05:50 -0300[diff] [blame]3628 dev->vfd.vfl_dir = VFL_DIR_M2M;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3629 snprintf(dev->vfd.name, sizeof(dev->vfd.name), "%s", CODA_NAME);
3630 video_set_drvdata(&dev->vfd, dev);
3631
3632 dev->alloc_ctx = vb2_dma_contig_init_ctx(&pdev->dev);
3633 if (IS_ERR(dev->alloc_ctx)) {
3634 v4l2_err(&dev->v4l2_dev, "Failed to alloc vb2 context\n");
3635 return;
3636 }
3637
3638 dev->m2m_dev = v4l2_m2m_init(&coda_m2m_ops);
3639 if (IS_ERR(dev->m2m_dev)) {
3640 v4l2_err(&dev->v4l2_dev, "Failed to init mem2mem device\n");
3641 goto rel_ctx;
3642 }
3643
3644 ret = video_register_device(&dev->vfd, VFL_TYPE_GRABBER, 0);
3645 if (ret) {
3646 v4l2_err(&dev->v4l2_dev, "Failed to register video device\n");
3647 goto rel_m2m;
3648 }
3649 v4l2_info(&dev->v4l2_dev, "codec registered as /dev/video%d\n",
3650 dev->vfd.num);
3651
3652 return;
3653
3654rel_m2m:
3655 v4l2_m2m_release(dev->m2m_dev);
3656rel_ctx:
3657 vb2_dma_contig_cleanup_ctx(dev->alloc_ctx);
3658}
3659
3660static int coda_firmware_request(struct coda_dev *dev)
3661{
3662 char *fw = dev->devtype->firmware;
3663
3664 dev_dbg(&dev->plat_dev->dev, "requesting firmware '%s' for %s\n", fw,
3665 coda_product_name(dev->devtype->product));
3666
3667 return request_firmware_nowait(THIS_MODULE, true,
3668 fw, &dev->plat_dev->dev, GFP_KERNEL, dev, coda_fw_callback);
3669}
3670
3671enum coda_platform {
3672 CODA_IMX27,
Philipp Zabeldf1e74c2012-07-02 06:07:10 -0300[diff] [blame]3673 CODA_IMX53,
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]3674 CODA_IMX6Q,
3675 CODA_IMX6DL,
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3676};
3677
Emil Goodec06d8752012-08-14 17:44:42 -0300[diff] [blame]3678static const struct coda_devtype coda_devdata[] = {
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3679 [CODA_IMX27] = {
Philipp Zabele5b0d1c2014-07-11 06:36:41 -0300[diff] [blame]3680 .firmware = "v4l-codadx6-imx27.bin",
3681 .product = CODA_DX6,
3682 .codecs = codadx6_codecs,
3683 .num_codecs = ARRAY_SIZE(codadx6_codecs),
3684 .workbuf_size = 288 * 1024 + FMO_SLICE_SAVE_BUF_SIZE * 8 * 1024,
Philipp Zabel401e9722014-07-11 06:36:43 -0300[diff] [blame]3685 .iram_size = 0xb000,
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3686 },
Philipp Zabeldf1e74c2012-07-02 06:07:10 -0300[diff] [blame]3687 [CODA_IMX53] = {
Philipp Zabele5b0d1c2014-07-11 06:36:41 -0300[diff] [blame]3688 .firmware = "v4l-coda7541-imx53.bin",
3689 .product = CODA_7541,
3690 .codecs = coda7_codecs,
3691 .num_codecs = ARRAY_SIZE(coda7_codecs),
3692 .workbuf_size = 128 * 1024,
Philipp Zabel5d73fad2014-07-11 06:36:42 -0300[diff] [blame]3693 .tempbuf_size = 304 * 1024,
Philipp Zabel401e9722014-07-11 06:36:43 -0300[diff] [blame]3694 .iram_size = 0x14000,
Philipp Zabeldf1e74c2012-07-02 06:07:10 -0300[diff] [blame]3695 },
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]3696 [CODA_IMX6Q] = {
Philipp Zabele5b0d1c2014-07-11 06:36:41 -0300[diff] [blame]3697 .firmware = "v4l-coda960-imx6q.bin",
3698 .product = CODA_960,
3699 .codecs = coda9_codecs,
3700 .num_codecs = ARRAY_SIZE(coda9_codecs),
3701 .workbuf_size = 80 * 1024,
Philipp Zabel5d73fad2014-07-11 06:36:42 -0300[diff] [blame]3702 .tempbuf_size = 204 * 1024,
Philipp Zabel401e9722014-07-11 06:36:43 -0300[diff] [blame]3703 .iram_size = 0x21000,
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]3704 },
3705 [CODA_IMX6DL] = {
Philipp Zabele5b0d1c2014-07-11 06:36:41 -0300[diff] [blame]3706 .firmware = "v4l-coda960-imx6dl.bin",
3707 .product = CODA_960,
3708 .codecs = coda9_codecs,
3709 .num_codecs = ARRAY_SIZE(coda9_codecs),
3710 .workbuf_size = 80 * 1024,
Philipp Zabel5d73fad2014-07-11 06:36:42 -0300[diff] [blame]3711 .tempbuf_size = 204 * 1024,
Philipp Zabel401e9722014-07-11 06:36:43 -0300[diff] [blame]3712 .iram_size = 0x20000,
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]3713 },
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3714};
3715
3716static struct platform_device_id coda_platform_ids[] = {
3717 { .name = "coda-imx27", .driver_data = CODA_IMX27 },
Fabio Estevam4e44cd02012-10-10 00:07:38 -0300[diff] [blame]3718 { .name = "coda-imx53", .driver_data = CODA_IMX53 },
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3719 { /* sentinel */ }
3720};
3721MODULE_DEVICE_TABLE(platform, coda_platform_ids);
3722
3723#ifdef CONFIG_OF
3724static const struct of_device_id coda_dt_ids[] = {
Alexander Shiyan7b0dd9e2013-06-15 08:09:57 -0300[diff] [blame]3725 { .compatible = "fsl,imx27-vpu", .data = &coda_devdata[CODA_IMX27] },
Philipp Zabeldf1e74c2012-07-02 06:07:10 -0300[diff] [blame]3726 { .compatible = "fsl,imx53-vpu", .data = &coda_devdata[CODA_IMX53] },
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]3727 { .compatible = "fsl,imx6q-vpu", .data = &coda_devdata[CODA_IMX6Q] },
3728 { .compatible = "fsl,imx6dl-vpu", .data = &coda_devdata[CODA_IMX6DL] },
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3729 { /* sentinel */ }
3730};
3731MODULE_DEVICE_TABLE(of, coda_dt_ids);
3732#endif
3733
Greg Kroah-Hartman4c62e972012-12-21 13:17:53 -0800[diff] [blame]3734static int coda_probe(struct platform_device *pdev)
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3735{
3736 const struct of_device_id *of_id =
3737 of_match_device(of_match_ptr(coda_dt_ids), &pdev->dev);
3738 const struct platform_device_id *pdev_id;
Philipp Zabel657eee72013-04-29 16:17:14 -0700[diff] [blame]3739 struct coda_platform_data *pdata = pdev->dev.platform_data;
3740 struct device_node *np = pdev->dev.of_node;
3741 struct gen_pool *pool;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3742 struct coda_dev *dev;
3743 struct resource *res;
3744 int ret, irq;
3745
3746 dev = devm_kzalloc(&pdev->dev, sizeof *dev, GFP_KERNEL);
3747 if (!dev) {
3748 dev_err(&pdev->dev, "Not enough memory for %s\n",
3749 CODA_NAME);
3750 return -ENOMEM;
3751 }
3752
3753 spin_lock_init(&dev->irqlock);
Philipp Zabele11f3e62012-07-25 09:16:58 -0300[diff] [blame]3754 INIT_LIST_HEAD(&dev->instances);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3755
3756 dev->plat_dev = pdev;
3757 dev->clk_per = devm_clk_get(&pdev->dev, "per");
3758 if (IS_ERR(dev->clk_per)) {
3759 dev_err(&pdev->dev, "Could not get per clock\n");
3760 return PTR_ERR(dev->clk_per);
3761 }
3762
3763 dev->clk_ahb = devm_clk_get(&pdev->dev, "ahb");
3764 if (IS_ERR(dev->clk_ahb)) {
3765 dev_err(&pdev->dev, "Could not get ahb clock\n");
3766 return PTR_ERR(dev->clk_ahb);
3767 }
3768
3769 /* Get memory for physical registers */
3770 res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
Philipp Zabel611cbbf2013-05-21 04:19:27 -0300[diff] [blame]3771 dev->regs_base = devm_ioremap_resource(&pdev->dev, res);
3772 if (IS_ERR(dev->regs_base))
3773 return PTR_ERR(dev->regs_base);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3774
3775 /* IRQ */
3776 irq = platform_get_irq(pdev, 0);
3777 if (irq < 0) {
3778 dev_err(&pdev->dev, "failed to get irq resource\n");
Fabio Estevam7d377432014-06-04 15:46:23 -0300[diff] [blame]3779 return irq;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3780 }
3781
Fabio Estevam08c8d142014-06-04 15:46:24 -0300[diff] [blame]3782 ret = devm_request_threaded_irq(&pdev->dev, irq, NULL, coda_irq_handler,
3783 IRQF_ONESHOT, dev_name(&pdev->dev), dev);
3784 if (ret < 0) {
3785 dev_err(&pdev->dev, "failed to request irq: %d\n", ret);
3786 return ret;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3787 }
3788
Philipp Zabelee27aa92014-07-24 16:50:03 -0300[diff] [blame]3789 dev->rstc = devm_reset_control_get_optional(&pdev->dev, NULL);
Philipp Zabel8f452842014-07-11 06:36:35 -0300[diff] [blame]3790 if (IS_ERR(dev->rstc)) {
3791 ret = PTR_ERR(dev->rstc);
Philipp Zabelee27aa92014-07-24 16:50:03 -0300[diff] [blame]3792 if (ret == -ENOENT || ret == -ENOSYS) {
Philipp Zabel8f452842014-07-11 06:36:35 -0300[diff] [blame]3793 dev->rstc = NULL;
3794 } else {
3795 dev_err(&pdev->dev, "failed get reset control: %d\n", ret);
3796 return ret;
3797 }
3798 }
3799
Philipp Zabel657eee72013-04-29 16:17:14 -0700[diff] [blame]3800 /* Get IRAM pool from device tree or platform data */
3801 pool = of_get_named_gen_pool(np, "iram", 0);
3802 if (!pool && pdata)
3803 pool = dev_get_gen_pool(pdata->iram_dev);
3804 if (!pool) {
3805 dev_err(&pdev->dev, "iram pool not available\n");
3806 return -ENOMEM;
3807 }
3808 dev->iram_pool = pool;
3809
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3810 ret = v4l2_device_register(&pdev->dev, &dev->v4l2_dev);
3811 if (ret)
3812 return ret;
3813
3814 mutex_init(&dev->dev_mutex);
Philipp Zabelfcb62822013-05-23 10:43:00 -0300[diff] [blame]3815 mutex_init(&dev->coda_mutex);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3816
3817 pdev_id = of_id ? of_id->data : platform_get_device_id(pdev);
3818
3819 if (of_id) {
3820 dev->devtype = of_id->data;
3821 } else if (pdev_id) {
3822 dev->devtype = &coda_devdata[pdev_id->driver_data];
3823 } else {
3824 v4l2_device_unregister(&dev->v4l2_dev);
3825 return -EINVAL;
3826 }
3827
Philipp Zabelf61c0b12014-07-11 06:36:40 -0300[diff] [blame]3828 dev->debugfs_root = debugfs_create_dir("coda", NULL);
3829 if (!dev->debugfs_root)
3830 dev_warn(&pdev->dev, "failed to create debugfs root\n");
3831
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3832 /* allocate auxiliary per-device buffers for the BIT processor */
Philipp Zabel5d73fad2014-07-11 06:36:42 -0300[diff] [blame]3833 if (dev->devtype->product == CODA_DX6) {
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]3834 ret = coda_alloc_aux_buf(dev, &dev->workbuf,
Philipp Zabele5b0d1c2014-07-11 06:36:41 -0300[diff] [blame]3835 dev->devtype->workbuf_size, "workbuf",
Philipp Zabelf61c0b12014-07-11 06:36:40 -0300[diff] [blame]3836 dev->debugfs_root);
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]3837 if (ret < 0) {
3838 dev_err(&pdev->dev, "failed to allocate work buffer\n");
3839 v4l2_device_unregister(&dev->v4l2_dev);
3840 return ret;
3841 }
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3842 }
Philipp Zabel5d73fad2014-07-11 06:36:42 -0300[diff] [blame]3843
3844 if (dev->devtype->tempbuf_size) {
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]3845 ret = coda_alloc_aux_buf(dev, &dev->tempbuf,
Philipp Zabel5d73fad2014-07-11 06:36:42 -0300[diff] [blame]3846 dev->devtype->tempbuf_size, "tempbuf",
Philipp Zabelf61c0b12014-07-11 06:36:40 -0300[diff] [blame]3847 dev->debugfs_root);
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]3848 if (ret < 0) {
3849 dev_err(&pdev->dev, "failed to allocate temp buffer\n");
3850 v4l2_device_unregister(&dev->v4l2_dev);
3851 return ret;
3852 }
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3853 }
3854
Philipp Zabel401e9722014-07-11 06:36:43 -0300[diff] [blame]3855 dev->iram.size = dev->devtype->iram_size;
Philipp Zabelb313bcc2014-07-11 06:36:16 -0300[diff] [blame]3856 dev->iram.vaddr = gen_pool_dma_alloc(dev->iram_pool, dev->iram.size,
3857 &dev->iram.paddr);
3858 if (!dev->iram.vaddr) {
Philipp Zabel657eee72013-04-29 16:17:14 -0700[diff] [blame]3859 dev_err(&pdev->dev, "unable to alloc iram\n");
3860 return -ENOMEM;
Philipp Zabel10436672012-07-02 09:03:55 -0300[diff] [blame]3861 }
3862
Philipp Zabelf61c0b12014-07-11 06:36:40 -0300[diff] [blame]3863 dev->iram.blob.data = dev->iram.vaddr;
3864 dev->iram.blob.size = dev->iram.size;
3865 dev->iram.dentry = debugfs_create_blob("iram", 0644, dev->debugfs_root,
3866 &dev->iram.blob);
3867
Philipp Zabel32b6f202014-07-11 06:36:20 -0300[diff] [blame]3868 dev->workqueue = alloc_workqueue("coda", WQ_UNBOUND | WQ_MEM_RECLAIM, 1);
3869 if (!dev->workqueue) {
3870 dev_err(&pdev->dev, "unable to alloc workqueue\n");
3871 return -ENOMEM;
3872 }
3873
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3874 platform_set_drvdata(pdev, dev);
3875
Philipp Zabel1e172732014-07-11 06:36:23 -0300[diff] [blame]3876 pm_runtime_enable(&pdev->dev);
3877
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3878 return coda_firmware_request(dev);
3879}
3880
3881static int coda_remove(struct platform_device *pdev)
3882{
3883 struct coda_dev *dev = platform_get_drvdata(pdev);
3884
3885 video_unregister_device(&dev->vfd);
3886 if (dev->m2m_dev)
3887 v4l2_m2m_release(dev->m2m_dev);
Philipp Zabel1e172732014-07-11 06:36:23 -0300[diff] [blame]3888 pm_runtime_disable(&pdev->dev);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3889 if (dev->alloc_ctx)
3890 vb2_dma_contig_cleanup_ctx(dev->alloc_ctx);
3891 v4l2_device_unregister(&dev->v4l2_dev);
Philipp Zabel32b6f202014-07-11 06:36:20 -0300[diff] [blame]3892 destroy_workqueue(dev->workqueue);
Philipp Zabelb313bcc2014-07-11 06:36:16 -0300[diff] [blame]3893 if (dev->iram.vaddr)
3894 gen_pool_free(dev->iram_pool, (unsigned long)dev->iram.vaddr,
3895 dev->iram.size);
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]3896 coda_free_aux_buf(dev, &dev->codebuf);
3897 coda_free_aux_buf(dev, &dev->tempbuf);
3898 coda_free_aux_buf(dev, &dev->workbuf);
Philipp Zabelf61c0b12014-07-11 06:36:40 -0300[diff] [blame]3899 debugfs_remove_recursive(dev->debugfs_root);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3900 return 0;
3901}
3902
Philipp Zabel1e172732014-07-11 06:36:23 -0300[diff] [blame]3903#ifdef CONFIG_PM_RUNTIME
3904static int coda_runtime_resume(struct device *dev)
3905{
3906 struct coda_dev *cdev = dev_get_drvdata(dev);
3907 int ret = 0;
3908
Philipp Zabel65919e62014-07-18 07:22:36 -0300[diff] [blame]3909 if (dev->pm_domain && cdev->codebuf.vaddr) {
Philipp Zabel1e172732014-07-11 06:36:23 -0300[diff] [blame]3910 ret = coda_hw_init(cdev);
3911 if (ret)
3912 v4l2_err(&cdev->v4l2_dev, "HW initialization failed\n");
3913 }
3914
3915 return ret;
3916}
3917#endif
3918
3919static const struct dev_pm_ops coda_pm_ops = {
3920 SET_RUNTIME_PM_OPS(NULL, coda_runtime_resume, NULL)
3921};
3922
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3923static struct platform_driver coda_driver = {
3924 .probe = coda_probe,
Greg Kroah-Hartman4c62e972012-12-21 13:17:53 -0800[diff] [blame]3925 .remove = coda_remove,
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3926 .driver = {
3927 .name = CODA_NAME,
3928 .owner = THIS_MODULE,
3929 .of_match_table = of_match_ptr(coda_dt_ids),
Philipp Zabel1e172732014-07-11 06:36:23 -0300[diff] [blame]3930 .pm = &coda_pm_ops,
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3931 },
3932 .id_table = coda_platform_ids,
3933};
3934
3935module_platform_driver(coda_driver);
3936
3937MODULE_LICENSE("GPL");
3938MODULE_AUTHOR("Javier Martin <javier.martin@vista-silicon.com>");
3939MODULE_DESCRIPTION("Coda multi-standard codec V4L2 driver");