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gerrit-public.fairphone.software / kernel / msm-4.19 / e5b0d1c60fff0b3420a97f3687906df04afc8b66 / . / drivers / media / platform / coda.c
blob: 23c2111fa916bd7049f6a4d637c2bc6ecf987ba8 [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
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]47#define CODA7_TEMP_BUF_SIZE (304 * 1024)
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]48#define CODA9_TEMP_BUF_SIZE (204 * 1024)
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]49#define CODA_PARA_BUF_SIZE (10 * 1024)
50#define CODA_ISRAM_SIZE (2048 * 2)
Philipp Zabel657eee72013-04-29 16:17:14 -0700[diff] [blame]51#define CODADX6_IRAM_SIZE 0xb000
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]52#define CODA7_IRAM_SIZE 0x14000
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]53#define CODA9_IRAM_SIZE 0x21000
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]54
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]55#define CODA7_PS_BUF_SIZE 0x28000
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]56#define CODA9_PS_SAVE_SIZE (512 * 1024)
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]57
58#define CODA_MAX_FRAMEBUFFERS 8
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]59
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]60#define CODA_MAX_FRAME_SIZE 0x100000
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]61#define FMO_SLICE_SAVE_BUF_SIZE (32)
62#define CODA_DEFAULT_GAMMA 4096
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]63#define CODA9_DEFAULT_GAMMA 24576 /* 0.75 * 32768 */
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]64
65#define MIN_W 176
66#define MIN_H 144
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]67
68#define S_ALIGN 1 /* multiple of 2 */
69#define W_ALIGN 1 /* multiple of 2 */
70#define H_ALIGN 1 /* multiple of 2 */
71
72#define fh_to_ctx(__fh) container_of(__fh, struct coda_ctx, fh)
73
74static int coda_debug;
Philipp Zabelc4eb1bfc2013-05-21 04:24:16 -0300[diff] [blame]75module_param(coda_debug, int, 0644);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]76MODULE_PARM_DESC(coda_debug, "Debug level (0-1)");
77
78enum {
79 V4L2_M2M_SRC = 0,
80 V4L2_M2M_DST = 1,
81};
82
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]83enum coda_inst_type {
84 CODA_INST_ENCODER,
85 CODA_INST_DECODER,
86};
87
88enum coda_product {
89 CODA_DX6 = 0xf001,
Philipp Zabeldf1e74c2012-07-02 06:07:10 -0300[diff] [blame]90 CODA_7541 = 0xf012,
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]91 CODA_960 = 0xf020,
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]92};
93
94struct coda_fmt {
95 char *name;
96 u32 fourcc;
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]97};
98
99struct coda_codec {
100 u32 mode;
101 u32 src_fourcc;
102 u32 dst_fourcc;
103 u32 max_w;
104 u32 max_h;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]105};
106
107struct coda_devtype {
108 char *firmware;
109 enum coda_product product;
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]110 struct coda_codec *codecs;
111 unsigned int num_codecs;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]112 size_t workbuf_size;
113};
114
115/* Per-queue, driver-specific private data */
116struct coda_q_data {
117 unsigned int width;
118 unsigned int height;
Philipp Zabel2fd6a372014-07-11 06:36:36 -0300[diff] [blame]119 unsigned int bytesperline;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]120 unsigned int sizeimage;
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]121 unsigned int fourcc;
Philipp Zabel52c41672014-07-11 06:36:19 -0300[diff] [blame]122 struct v4l2_rect rect;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]123};
124
125struct coda_aux_buf {
126 void *vaddr;
127 dma_addr_t paddr;
128 u32 size;
Philipp Zabelf61c0b12014-07-11 06:36:40 -0300[diff] [blame]129 struct debugfs_blob_wrapper blob;
130 struct dentry *dentry;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]131};
132
133struct coda_dev {
134 struct v4l2_device v4l2_dev;
135 struct video_device vfd;
136 struct platform_device *plat_dev;
Emil Goodec06d8752012-08-14 17:44:42 -0300[diff] [blame]137 const struct coda_devtype *devtype;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]138
139 void __iomem *regs_base;
140 struct clk *clk_per;
141 struct clk *clk_ahb;
Philipp Zabel8f452842014-07-11 06:36:35 -0300[diff] [blame]142 struct reset_control *rstc;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]143
144 struct coda_aux_buf codebuf;
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]145 struct coda_aux_buf tempbuf;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]146 struct coda_aux_buf workbuf;
Philipp Zabel657eee72013-04-29 16:17:14 -0700[diff] [blame]147 struct gen_pool *iram_pool;
Philipp Zabelb313bcc2014-07-11 06:36:16 -0300[diff] [blame]148 struct coda_aux_buf iram;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]149
150 spinlock_t irqlock;
151 struct mutex dev_mutex;
Philipp Zabelfcb62822013-05-23 10:43:00 -0300[diff] [blame]152 struct mutex coda_mutex;
Philipp Zabel32b6f202014-07-11 06:36:20 -0300[diff] [blame]153 struct workqueue_struct *workqueue;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]154 struct v4l2_m2m_dev *m2m_dev;
155 struct vb2_alloc_ctx *alloc_ctx;
Philipp Zabele11f3e62012-07-25 09:16:58 -0300[diff] [blame]156 struct list_head instances;
157 unsigned long instance_mask;
Philipp Zabelf61c0b12014-07-11 06:36:40 -0300[diff] [blame]158 struct dentry *debugfs_root;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]159};
160
161struct coda_params {
Philipp Zabel8f35c7b2012-07-09 04:25:52 -0300[diff] [blame]162 u8 rot_mode;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]163 u8 h264_intra_qp;
164 u8 h264_inter_qp;
Philipp Zabel1a5567e2014-07-11 06:36:26 -0300[diff] [blame]165 u8 h264_min_qp;
166 u8 h264_max_qp;
Philipp Zabelde23b1d2014-07-11 06:36:27 -0300[diff] [blame]167 u8 h264_deblk_enabled;
168 u8 h264_deblk_alpha;
169 u8 h264_deblk_beta;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]170 u8 mpeg4_intra_qp;
171 u8 mpeg4_inter_qp;
172 u8 gop_size;
Philipp Zabelf38f79d2014-07-11 06:36:28 -0300[diff] [blame]173 int intra_refresh;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]174 int codec_mode;
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]175 int codec_mode_aux;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]176 enum v4l2_mpeg_video_multi_slice_mode slice_mode;
177 u32 framerate;
178 u16 bitrate;
Philipp Zabelc566c782012-08-08 11:59:38 -0300[diff] [blame]179 u32 slice_max_bits;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]180 u32 slice_max_mb;
181};
182
Philipp Zabelc2d22512013-06-21 03:55:28 -0300[diff] [blame]183struct coda_iram_info {
184 u32 axi_sram_use;
185 phys_addr_t buf_bit_use;
186 phys_addr_t buf_ip_ac_dc_use;
187 phys_addr_t buf_dbk_y_use;
188 phys_addr_t buf_dbk_c_use;
189 phys_addr_t buf_ovl_use;
190 phys_addr_t buf_btp_use;
191 phys_addr_t search_ram_paddr;
192 int search_ram_size;
Philipp Zabelb313bcc2014-07-11 06:36:16 -0300[diff] [blame]193 int remaining;
194 phys_addr_t next_paddr;
Philipp Zabelc2d22512013-06-21 03:55:28 -0300[diff] [blame]195};
196
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]197struct gdi_tiled_map {
198 int xy2ca_map[16];
199 int xy2ba_map[16];
200 int xy2ra_map[16];
201 int rbc2axi_map[32];
202 int xy2rbc_config;
203 int map_type;
204#define GDI_LINEAR_FRAME_MAP 0
205};
206
Philipp Zabel846ced92014-07-11 06:36:31 -0300[diff] [blame]207struct coda_timestamp {
208 struct list_head list;
209 u32 sequence;
210 struct v4l2_timecode timecode;
211 struct timeval timestamp;
212};
213
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]214struct coda_ctx {
215 struct coda_dev *dev;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]216 struct mutex buffer_mutex;
Philipp Zabele11f3e62012-07-25 09:16:58 -0300[diff] [blame]217 struct list_head list;
Philipp Zabel32b6f202014-07-11 06:36:20 -0300[diff] [blame]218 struct work_struct pic_run_work;
219 struct work_struct seq_end_work;
220 struct completion completion;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]221 int aborting;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]222 int initialized;
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]223 int streamon_out;
224 int streamon_cap;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]225 u32 isequence;
Philipp Zabel9082a7c2013-06-21 03:55:31 -0300[diff] [blame]226 u32 qsequence;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]227 u32 osequence;
Philipp Zabelcb2c0282014-07-11 06:36:33 -0300[diff] [blame]228 u32 sequence_offset;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]229 struct coda_q_data q_data[2];
230 enum coda_inst_type inst_type;
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]231 struct coda_codec *codec;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]232 enum v4l2_colorspace colorspace;
233 struct coda_params params;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]234 struct v4l2_ctrl_handler ctrls;
235 struct v4l2_fh fh;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]236 int gopcounter;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]237 int runcounter;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]238 char vpu_header[3][64];
239 int vpu_header_size[3];
Philipp Zabel9082a7c2013-06-21 03:55:31 -0300[diff] [blame]240 struct kfifo bitstream_fifo;
241 struct mutex bitstream_mutex;
242 struct coda_aux_buf bitstream;
Philipp Zabel84e23652014-07-11 06:36:34 -0300[diff] [blame]243 bool hold;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]244 struct coda_aux_buf parabuf;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]245 struct coda_aux_buf psbuf;
246 struct coda_aux_buf slicebuf;
Philipp Zabelec25f682012-07-20 08:54:29 -0300[diff] [blame]247 struct coda_aux_buf internal_frames[CODA_MAX_FRAMEBUFFERS];
Philipp Zabel1a8b3812014-07-11 06:36:12 -0300[diff] [blame]248 u32 frame_types[CODA_MAX_FRAMEBUFFERS];
Philipp Zabel846ced92014-07-11 06:36:31 -0300[diff] [blame]249 struct coda_timestamp frame_timestamps[CODA_MAX_FRAMEBUFFERS];
Philipp Zabel410e5e42014-07-11 06:36:32 -0300[diff] [blame]250 u32 frame_errors[CODA_MAX_FRAMEBUFFERS];
Philipp Zabel846ced92014-07-11 06:36:31 -0300[diff] [blame]251 struct list_head timestamp_list;
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]252 struct coda_aux_buf workbuf;
Philipp Zabelec25f682012-07-20 08:54:29 -0300[diff] [blame]253 int num_internal_frames;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]254 int idx;
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]255 int reg_idx;
Philipp Zabelc2d22512013-06-21 03:55:28 -0300[diff] [blame]256 struct coda_iram_info iram_info;
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]257 struct gdi_tiled_map tiled_map;
Philipp Zabel9082a7c2013-06-21 03:55:31 -0300[diff] [blame]258 u32 bit_stream_param;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]259 u32 frm_dis_flg;
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]260 u32 frame_mem_ctrl;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]261 int display_idx;
Philipp Zabelf61c0b12014-07-11 06:36:40 -0300[diff] [blame]262 struct dentry *debugfs_entry;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]263};
264
Javier Martin832fbb52012-10-29 08:34:59 -0300[diff] [blame]265static const u8 coda_filler_nal[14] = { 0x00, 0x00, 0x00, 0x01, 0x0c, 0xff,
266 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x80 };
267static const u8 coda_filler_size[8] = { 0, 7, 14, 13, 12, 11, 10, 9 };
Javier Martin3f3f5c72012-10-29 05:20:29 -0300[diff] [blame]268
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]269static inline void coda_write(struct coda_dev *dev, u32 data, u32 reg)
270{
271 v4l2_dbg(1, coda_debug, &dev->v4l2_dev,
272 "%s: data=0x%x, reg=0x%x\n", __func__, data, reg);
273 writel(data, dev->regs_base + reg);
274}
275
276static inline unsigned int coda_read(struct coda_dev *dev, u32 reg)
277{
278 u32 data;
279 data = readl(dev->regs_base + reg);
280 v4l2_dbg(1, coda_debug, &dev->v4l2_dev,
281 "%s: data=0x%x, reg=0x%x\n", __func__, data, reg);
282 return data;
283}
284
285static inline unsigned long coda_isbusy(struct coda_dev *dev)
286{
287 return coda_read(dev, CODA_REG_BIT_BUSY);
288}
289
290static inline int coda_is_initialized(struct coda_dev *dev)
291{
292 return (coda_read(dev, CODA_REG_BIT_CUR_PC) != 0);
293}
294
295static int coda_wait_timeout(struct coda_dev *dev)
296{
297 unsigned long timeout = jiffies + msecs_to_jiffies(1000);
298
299 while (coda_isbusy(dev)) {
300 if (time_after(jiffies, timeout))
301 return -ETIMEDOUT;
302 }
303 return 0;
304}
305
306static void coda_command_async(struct coda_ctx *ctx, int cmd)
307{
308 struct coda_dev *dev = ctx->dev;
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]309
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]310 if (dev->devtype->product == CODA_960 ||
311 dev->devtype->product == CODA_7541) {
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]312 /* Restore context related registers to CODA */
Philipp Zabel9082a7c2013-06-21 03:55:31 -0300[diff] [blame]313 coda_write(dev, ctx->bit_stream_param,
314 CODA_REG_BIT_BIT_STREAM_PARAM);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]315 coda_write(dev, ctx->frm_dis_flg,
316 CODA_REG_BIT_FRM_DIS_FLG(ctx->reg_idx));
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]317 coda_write(dev, ctx->frame_mem_ctrl,
318 CODA_REG_BIT_FRAME_MEM_CTRL);
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]319 coda_write(dev, ctx->workbuf.paddr, CODA_REG_BIT_WORK_BUF_ADDR);
320 }
321
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]322 if (dev->devtype->product == CODA_960) {
323 coda_write(dev, 1, CODA9_GDI_WPROT_ERR_CLR);
324 coda_write(dev, 0, CODA9_GDI_WPROT_RGN_EN);
325 }
326
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]327 coda_write(dev, CODA_REG_BIT_BUSY_FLAG, CODA_REG_BIT_BUSY);
328
329 coda_write(dev, ctx->idx, CODA_REG_BIT_RUN_INDEX);
330 coda_write(dev, ctx->params.codec_mode, CODA_REG_BIT_RUN_COD_STD);
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]331 coda_write(dev, ctx->params.codec_mode_aux, CODA7_REG_BIT_RUN_AUX_STD);
332
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]333 coda_write(dev, cmd, CODA_REG_BIT_RUN_COMMAND);
334}
335
336static int coda_command_sync(struct coda_ctx *ctx, int cmd)
337{
338 struct coda_dev *dev = ctx->dev;
339
340 coda_command_async(ctx, cmd);
341 return coda_wait_timeout(dev);
342}
343
Philipp Zabel8f452842014-07-11 06:36:35 -0300[diff] [blame]344static int coda_hw_reset(struct coda_ctx *ctx)
345{
346 struct coda_dev *dev = ctx->dev;
347 unsigned long timeout;
348 unsigned int idx;
349 int ret;
350
351 if (!dev->rstc)
352 return -ENOENT;
353
354 idx = coda_read(dev, CODA_REG_BIT_RUN_INDEX);
355
356 timeout = jiffies + msecs_to_jiffies(100);
357 coda_write(dev, 0x11, CODA9_GDI_BUS_CTRL);
358 while (coda_read(dev, CODA9_GDI_BUS_STATUS) != 0x77) {
359 if (time_after(jiffies, timeout))
360 return -ETIME;
361 cpu_relax();
362 }
363
364 ret = reset_control_reset(dev->rstc);
365 if (ret < 0)
366 return ret;
367
368 coda_write(dev, 0x00, CODA9_GDI_BUS_CTRL);
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));
Sylwester Nawrockic3aac8b2012-08-22 18:00:19 -0300[diff] [blame]539 /*
540 * This is only a mem-to-mem video device. The capture and output
541 * device capability flags are left only for backward compatibility
542 * and are scheduled for removal.
543 */
544 cap->device_caps = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_VIDEO_OUTPUT |
545 V4L2_CAP_VIDEO_M2M | V4L2_CAP_STREAMING;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]546 cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS;
547
548 return 0;
549}
550
551static int enum_fmt(void *priv, struct v4l2_fmtdesc *f,
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]552 enum v4l2_buf_type type, int src_fourcc)
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]553{
554 struct coda_ctx *ctx = fh_to_ctx(priv);
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]555 struct coda_codec *codecs = ctx->dev->devtype->codecs;
556 struct coda_fmt *formats = coda_formats;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]557 struct coda_fmt *fmt;
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]558 int num_codecs = ctx->dev->devtype->num_codecs;
559 int num_formats = ARRAY_SIZE(coda_formats);
560 int i, k, num = 0;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]561
562 for (i = 0; i < num_formats; i++) {
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]563 /* Both uncompressed formats are always supported */
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]564 if (coda_format_is_yuv(formats[i].fourcc) &&
565 !coda_format_is_yuv(src_fourcc)) {
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]566 if (num == f->index)
567 break;
568 ++num;
569 continue;
570 }
571 /* Compressed formats may be supported, check the codec list */
572 for (k = 0; k < num_codecs; k++) {
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]573 /* if src_fourcc is set, only consider matching codecs */
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]574 if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE &&
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]575 formats[i].fourcc == codecs[k].dst_fourcc &&
576 (!src_fourcc || src_fourcc == codecs[k].src_fourcc))
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]577 break;
578 if (type == V4L2_BUF_TYPE_VIDEO_OUTPUT &&
579 formats[i].fourcc == codecs[k].src_fourcc)
580 break;
581 }
582 if (k < num_codecs) {
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]583 if (num == f->index)
584 break;
585 ++num;
586 }
587 }
588
589 if (i < num_formats) {
590 fmt = &formats[i];
591 strlcpy(f->description, fmt->name, sizeof(f->description));
592 f->pixelformat = fmt->fourcc;
Philipp Zabelbaf70212013-09-30 10:34:46 -0300[diff] [blame]593 if (!coda_format_is_yuv(fmt->fourcc))
594 f->flags |= V4L2_FMT_FLAG_COMPRESSED;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]595 return 0;
596 }
597
598 /* Format not found */
599 return -EINVAL;
600}
601
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300[diff] [blame]602static int coda_enum_fmt_vid_cap(struct file *file, void *priv,
603 struct v4l2_fmtdesc *f)
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]604{
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]605 struct coda_ctx *ctx = fh_to_ctx(priv);
606 struct vb2_queue *src_vq;
607 struct coda_q_data *q_data_src;
608
609 /* If the source format is already fixed, only list matching formats */
Philipp Zabel14604e32014-07-11 06:36:22 -0300[diff] [blame]610 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]611 if (vb2_is_streaming(src_vq)) {
612 q_data_src = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
613
614 return enum_fmt(priv, f, V4L2_BUF_TYPE_VIDEO_CAPTURE,
615 q_data_src->fourcc);
616 }
617
618 return enum_fmt(priv, f, V4L2_BUF_TYPE_VIDEO_CAPTURE, 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_enum_fmt_vid_out(struct file *file, void *priv,
622 struct v4l2_fmtdesc *f)
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]623{
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]624 return enum_fmt(priv, f, V4L2_BUF_TYPE_VIDEO_OUTPUT, 0);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]625}
626
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300[diff] [blame]627static int coda_g_fmt(struct file *file, void *priv,
628 struct v4l2_format *f)
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]629{
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]630 struct coda_q_data *q_data;
631 struct coda_ctx *ctx = fh_to_ctx(priv);
632
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]633 q_data = get_q_data(ctx, f->type);
Philipp Zabelb9736292014-07-11 06:36:18 -0300[diff] [blame]634 if (!q_data)
635 return -EINVAL;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]636
637 f->fmt.pix.field = V4L2_FIELD_NONE;
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]638 f->fmt.pix.pixelformat = q_data->fourcc;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]639 f->fmt.pix.width = q_data->width;
640 f->fmt.pix.height = q_data->height;
Philipp Zabel2fd6a372014-07-11 06:36:36 -0300[diff] [blame]641 f->fmt.pix.bytesperline = q_data->bytesperline;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]642
643 f->fmt.pix.sizeimage = q_data->sizeimage;
644 f->fmt.pix.colorspace = ctx->colorspace;
645
646 return 0;
647}
648
Philipp Zabel57625592013-09-30 10:34:51 -0300[diff] [blame]649static int coda_try_fmt(struct coda_ctx *ctx, struct coda_codec *codec,
650 struct v4l2_format *f)
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]651{
Philipp Zabel57625592013-09-30 10:34:51 -0300[diff] [blame]652 struct coda_dev *dev = ctx->dev;
653 struct coda_q_data *q_data;
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]654 unsigned int max_w, max_h;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]655 enum v4l2_field field;
656
657 field = f->fmt.pix.field;
658 if (field == V4L2_FIELD_ANY)
659 field = V4L2_FIELD_NONE;
660 else if (V4L2_FIELD_NONE != field)
661 return -EINVAL;
662
663 /* V4L2 specification suggests the driver corrects the format struct
664 * if any of the dimensions is unsupported */
665 f->fmt.pix.field = field;
666
Philipp Zabel57625592013-09-30 10:34:51 -0300[diff] [blame]667 coda_get_max_dimensions(dev, codec, &max_w, &max_h);
668 v4l_bound_align_image(&f->fmt.pix.width, MIN_W, max_w, W_ALIGN,
669 &f->fmt.pix.height, MIN_H, max_h, H_ALIGN,
670 S_ALIGN);
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]671
Philipp Zabel57625592013-09-30 10:34:51 -0300[diff] [blame]672 switch (f->fmt.pix.pixelformat) {
673 case V4L2_PIX_FMT_YUV420:
674 case V4L2_PIX_FMT_YVU420:
675 case V4L2_PIX_FMT_H264:
676 case V4L2_PIX_FMT_MPEG4:
677 case V4L2_PIX_FMT_JPEG:
678 break;
679 default:
680 q_data = get_q_data(ctx, f->type);
Philipp Zabelb9736292014-07-11 06:36:18 -0300[diff] [blame]681 if (!q_data)
682 return -EINVAL;
Philipp Zabel57625592013-09-30 10:34:51 -0300[diff] [blame]683 f->fmt.pix.pixelformat = q_data->fourcc;
684 }
685
686 switch (f->fmt.pix.pixelformat) {
687 case V4L2_PIX_FMT_YUV420:
688 case V4L2_PIX_FMT_YVU420:
Philipp Zabel451dfe52014-07-11 06:36:39 -0300[diff] [blame]689 /* Frame stride must be multiple of 8, but 16 for h.264 */
690 f->fmt.pix.bytesperline = round_up(f->fmt.pix.width, 16);
Philipp Zabel47cf0c62013-05-23 10:42:54 -0300[diff] [blame]691 f->fmt.pix.sizeimage = f->fmt.pix.bytesperline *
Philipp Zabel451d43a2012-07-26 09:18:27 -0300[diff] [blame]692 f->fmt.pix.height * 3 / 2;
Philipp Zabel57625592013-09-30 10:34:51 -0300[diff] [blame]693 break;
694 case V4L2_PIX_FMT_H264:
695 case V4L2_PIX_FMT_MPEG4:
696 case V4L2_PIX_FMT_JPEG:
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]697 f->fmt.pix.bytesperline = 0;
698 f->fmt.pix.sizeimage = CODA_MAX_FRAME_SIZE;
Philipp Zabel57625592013-09-30 10:34:51 -0300[diff] [blame]699 break;
700 default:
701 BUG();
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]702 }
703
704 return 0;
705}
706
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300[diff] [blame]707static int coda_try_fmt_vid_cap(struct file *file, void *priv,
708 struct v4l2_format *f)
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]709{
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]710 struct coda_ctx *ctx = fh_to_ctx(priv);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]711 struct coda_codec *codec;
712 struct vb2_queue *src_vq;
713 int ret;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]714
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]715 /*
716 * If the source format is already fixed, try to find a codec that
717 * converts to the given destination format
718 */
Philipp Zabel14604e32014-07-11 06:36:22 -0300[diff] [blame]719 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]720 if (vb2_is_streaming(src_vq)) {
721 struct coda_q_data *q_data_src;
722
723 q_data_src = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
724 codec = coda_find_codec(ctx->dev, q_data_src->fourcc,
725 f->fmt.pix.pixelformat);
726 if (!codec)
727 return -EINVAL;
728 } else {
729 /* Otherwise determine codec by encoded format, if possible */
730 codec = coda_find_codec(ctx->dev, V4L2_PIX_FMT_YUV420,
731 f->fmt.pix.pixelformat);
732 }
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]733
734 f->fmt.pix.colorspace = ctx->colorspace;
735
Philipp Zabel57625592013-09-30 10:34:51 -0300[diff] [blame]736 ret = coda_try_fmt(ctx, codec, f);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]737 if (ret < 0)
738 return ret;
739
740 /* The h.264 decoder only returns complete 16x16 macroblocks */
741 if (codec && codec->src_fourcc == V4L2_PIX_FMT_H264) {
Philipp Zabel1b0ed7b2014-07-11 06:36:37 -0300[diff] [blame]742 f->fmt.pix.width = f->fmt.pix.width;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]743 f->fmt.pix.height = round_up(f->fmt.pix.height, 16);
Philipp Zabel1b0ed7b2014-07-11 06:36:37 -0300[diff] [blame]744 f->fmt.pix.bytesperline = round_up(f->fmt.pix.width, 16);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]745 f->fmt.pix.sizeimage = f->fmt.pix.bytesperline *
746 f->fmt.pix.height * 3 / 2;
747 }
748
749 return 0;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]750}
751
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300[diff] [blame]752static int coda_try_fmt_vid_out(struct file *file, void *priv,
753 struct v4l2_format *f)
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]754{
755 struct coda_ctx *ctx = fh_to_ctx(priv);
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]756 struct coda_codec *codec;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]757
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]758 /* Determine codec by encoded format, returns NULL if raw or invalid */
759 codec = coda_find_codec(ctx->dev, f->fmt.pix.pixelformat,
760 V4L2_PIX_FMT_YUV420);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]761
762 if (!f->fmt.pix.colorspace)
763 f->fmt.pix.colorspace = V4L2_COLORSPACE_REC709;
764
Philipp Zabel57625592013-09-30 10:34:51 -0300[diff] [blame]765 return coda_try_fmt(ctx, codec, f);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]766}
767
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300[diff] [blame]768static int coda_s_fmt(struct coda_ctx *ctx, struct v4l2_format *f)
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]769{
770 struct coda_q_data *q_data;
771 struct vb2_queue *vq;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]772
Philipp Zabel14604e32014-07-11 06:36:22 -0300[diff] [blame]773 vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, f->type);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]774 if (!vq)
775 return -EINVAL;
776
777 q_data = get_q_data(ctx, f->type);
778 if (!q_data)
779 return -EINVAL;
780
781 if (vb2_is_busy(vq)) {
782 v4l2_err(&ctx->dev->v4l2_dev, "%s queue busy\n", __func__);
783 return -EBUSY;
784 }
785
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]786 q_data->fourcc = f->fmt.pix.pixelformat;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]787 q_data->width = f->fmt.pix.width;
788 q_data->height = f->fmt.pix.height;
Philipp Zabel2fd6a372014-07-11 06:36:36 -0300[diff] [blame]789 q_data->bytesperline = f->fmt.pix.bytesperline;
Philipp Zabel451d43a2012-07-26 09:18:27 -0300[diff] [blame]790 q_data->sizeimage = f->fmt.pix.sizeimage;
Philipp Zabel52c41672014-07-11 06:36:19 -0300[diff] [blame]791 q_data->rect.left = 0;
792 q_data->rect.top = 0;
793 q_data->rect.width = f->fmt.pix.width;
794 q_data->rect.height = f->fmt.pix.height;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]795
796 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
797 "Setting format for type %d, wxh: %dx%d, fmt: %d\n",
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]798 f->type, q_data->width, q_data->height, q_data->fourcc);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]799
800 return 0;
801}
802
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300[diff] [blame]803static int coda_s_fmt_vid_cap(struct file *file, void *priv,
804 struct v4l2_format *f)
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]805{
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]806 struct coda_ctx *ctx = fh_to_ctx(priv);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]807 int ret;
808
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300[diff] [blame]809 ret = coda_try_fmt_vid_cap(file, priv, f);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]810 if (ret)
811 return ret;
812
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300[diff] [blame]813 return coda_s_fmt(ctx, f);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]814}
815
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300[diff] [blame]816static int coda_s_fmt_vid_out(struct file *file, void *priv,
817 struct v4l2_format *f)
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]818{
819 struct coda_ctx *ctx = fh_to_ctx(priv);
820 int ret;
821
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300[diff] [blame]822 ret = coda_try_fmt_vid_out(file, priv, f);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]823 if (ret)
824 return ret;
825
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300[diff] [blame]826 ret = coda_s_fmt(ctx, f);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]827 if (ret)
828 ctx->colorspace = f->fmt.pix.colorspace;
829
830 return ret;
831}
832
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300[diff] [blame]833static int coda_qbuf(struct file *file, void *priv,
834 struct v4l2_buffer *buf)
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]835{
836 struct coda_ctx *ctx = fh_to_ctx(priv);
837
Philipp Zabel14604e32014-07-11 06:36:22 -0300[diff] [blame]838 return v4l2_m2m_qbuf(file, ctx->fh.m2m_ctx, buf);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]839}
840
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]841static bool coda_buf_is_end_of_stream(struct coda_ctx *ctx,
842 struct v4l2_buffer *buf)
843{
844 struct vb2_queue *src_vq;
845
Philipp Zabel14604e32014-07-11 06:36:22 -0300[diff] [blame]846 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]847
848 return ((ctx->bit_stream_param & CODA_BIT_STREAM_END_FLAG) &&
849 (buf->sequence == (ctx->qsequence - 1)));
850}
851
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300[diff] [blame]852static int coda_dqbuf(struct file *file, void *priv,
853 struct v4l2_buffer *buf)
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]854{
855 struct coda_ctx *ctx = fh_to_ctx(priv);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]856 int ret;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]857
Philipp Zabel14604e32014-07-11 06:36:22 -0300[diff] [blame]858 ret = v4l2_m2m_dqbuf(file, ctx->fh.m2m_ctx, buf);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]859
860 /* If this is the last capture buffer, emit an end-of-stream event */
861 if (buf->type == V4L2_BUF_TYPE_VIDEO_CAPTURE &&
862 coda_buf_is_end_of_stream(ctx, buf)) {
863 const struct v4l2_event eos_event = {
864 .type = V4L2_EVENT_EOS
865 };
866
867 v4l2_event_queue_fh(&ctx->fh, &eos_event);
868 }
869
870 return ret;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]871}
872
Philipp Zabel52c41672014-07-11 06:36:19 -0300[diff] [blame]873static int coda_g_selection(struct file *file, void *fh,
874 struct v4l2_selection *s)
875{
876 struct coda_ctx *ctx = fh_to_ctx(fh);
877 struct coda_q_data *q_data;
878 struct v4l2_rect r, *rsel;
879
880 q_data = get_q_data(ctx, s->type);
881 if (!q_data)
882 return -EINVAL;
883
884 r.left = 0;
885 r.top = 0;
886 r.width = q_data->width;
887 r.height = q_data->height;
888 rsel = &q_data->rect;
889
890 switch (s->target) {
891 case V4L2_SEL_TGT_CROP_DEFAULT:
892 case V4L2_SEL_TGT_CROP_BOUNDS:
893 rsel = &r;
894 /* fallthrough */
895 case V4L2_SEL_TGT_CROP:
896 if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
897 return -EINVAL;
898 break;
899 case V4L2_SEL_TGT_COMPOSE_BOUNDS:
900 case V4L2_SEL_TGT_COMPOSE_PADDED:
901 rsel = &r;
902 /* fallthrough */
903 case V4L2_SEL_TGT_COMPOSE:
904 case V4L2_SEL_TGT_COMPOSE_DEFAULT:
905 if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
906 return -EINVAL;
907 break;
908 default:
909 return -EINVAL;
910 }
911
912 s->r = *rsel;
913
914 return 0;
915}
916
Philipp Zabel64ba40a2013-09-30 10:34:52 -0300[diff] [blame]917static int coda_try_decoder_cmd(struct file *file, void *fh,
918 struct v4l2_decoder_cmd *dc)
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]919{
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]920 if (dc->cmd != V4L2_DEC_CMD_STOP)
921 return -EINVAL;
922
Philipp Zabel64ba40a2013-09-30 10:34:52 -0300[diff] [blame]923 if (dc->flags & V4L2_DEC_CMD_STOP_TO_BLACK)
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 if (!(dc->flags & V4L2_DEC_CMD_STOP_IMMEDIATELY) && (dc->stop.pts != 0))
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]927 return -EINVAL;
928
Philipp Zabel64ba40a2013-09-30 10:34:52 -0300[diff] [blame]929 return 0;
930}
931
932static int coda_decoder_cmd(struct file *file, void *fh,
933 struct v4l2_decoder_cmd *dc)
934{
935 struct coda_ctx *ctx = fh_to_ctx(fh);
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]936 struct coda_dev *dev = ctx->dev;
Philipp Zabel64ba40a2013-09-30 10:34:52 -0300[diff] [blame]937 int ret;
938
939 ret = coda_try_decoder_cmd(file, fh, dc);
940 if (ret < 0)
941 return ret;
942
943 /* Ignore decoder stop command silently in encoder context */
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]944 if (ctx->inst_type != CODA_INST_DECODER)
Philipp Zabel64ba40a2013-09-30 10:34:52 -0300[diff] [blame]945 return 0;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]946
947 /* Set the strem-end flag on this context */
948 ctx->bit_stream_param |= CODA_BIT_STREAM_END_FLAG;
949
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]950 if ((dev->devtype->product == CODA_960) &&
951 coda_isbusy(dev) &&
952 (ctx->idx == coda_read(dev, CODA_REG_BIT_RUN_INDEX))) {
953 /* If this context is currently running, update the hardware flag */
954 coda_write(dev, ctx->bit_stream_param, CODA_REG_BIT_BIT_STREAM_PARAM);
955 }
Philipp Zabel84e23652014-07-11 06:36:34 -0300[diff] [blame]956 ctx->hold = false;
Michael Olbrichf3497da2014-07-11 06:36:30 -0300[diff] [blame]957 v4l2_m2m_try_schedule(ctx->fh.m2m_ctx);
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]958
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]959 return 0;
960}
961
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300[diff] [blame]962static int coda_subscribe_event(struct v4l2_fh *fh,
963 const struct v4l2_event_subscription *sub)
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]964{
965 switch (sub->type) {
966 case V4L2_EVENT_EOS:
967 return v4l2_event_subscribe(fh, sub, 0, NULL);
968 default:
969 return v4l2_ctrl_subscribe_event(fh, sub);
970 }
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]971}
972
973static const struct v4l2_ioctl_ops coda_ioctl_ops = {
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300[diff] [blame]974 .vidioc_querycap = coda_querycap,
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]975
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300[diff] [blame]976 .vidioc_enum_fmt_vid_cap = coda_enum_fmt_vid_cap,
977 .vidioc_g_fmt_vid_cap = coda_g_fmt,
978 .vidioc_try_fmt_vid_cap = coda_try_fmt_vid_cap,
979 .vidioc_s_fmt_vid_cap = coda_s_fmt_vid_cap,
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]980
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300[diff] [blame]981 .vidioc_enum_fmt_vid_out = coda_enum_fmt_vid_out,
982 .vidioc_g_fmt_vid_out = coda_g_fmt,
983 .vidioc_try_fmt_vid_out = coda_try_fmt_vid_out,
984 .vidioc_s_fmt_vid_out = coda_s_fmt_vid_out,
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]985
Philipp Zabel152ea1c2014-07-11 06:36:21 -0300[diff] [blame]986 .vidioc_reqbufs = v4l2_m2m_ioctl_reqbufs,
987 .vidioc_querybuf = v4l2_m2m_ioctl_querybuf,
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]988
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300[diff] [blame]989 .vidioc_qbuf = coda_qbuf,
Philipp Zabel152ea1c2014-07-11 06:36:21 -0300[diff] [blame]990 .vidioc_expbuf = v4l2_m2m_ioctl_expbuf,
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300[diff] [blame]991 .vidioc_dqbuf = coda_dqbuf,
Philipp Zabel152ea1c2014-07-11 06:36:21 -0300[diff] [blame]992 .vidioc_create_bufs = v4l2_m2m_ioctl_create_bufs,
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]993
Philipp Zabel152ea1c2014-07-11 06:36:21 -0300[diff] [blame]994 .vidioc_streamon = v4l2_m2m_ioctl_streamon,
995 .vidioc_streamoff = v4l2_m2m_ioctl_streamoff,
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]996
Philipp Zabel52c41672014-07-11 06:36:19 -0300[diff] [blame]997 .vidioc_g_selection = coda_g_selection,
998
Philipp Zabel64ba40a2013-09-30 10:34:52 -0300[diff] [blame]999 .vidioc_try_decoder_cmd = coda_try_decoder_cmd,
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300[diff] [blame]1000 .vidioc_decoder_cmd = coda_decoder_cmd,
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]1001
Philipp Zabel2e9e4f12013-09-30 10:34:50 -0300[diff] [blame]1002 .vidioc_subscribe_event = coda_subscribe_event,
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]1003 .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1004};
1005
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]1006static int coda_start_decoding(struct coda_ctx *ctx);
1007
Philipp Zabel9082a7c2013-06-21 03:55:31 -0300[diff] [blame]1008static inline int coda_get_bitstream_payload(struct coda_ctx *ctx)
1009{
1010 return kfifo_len(&ctx->bitstream_fifo);
1011}
1012
1013static void coda_kfifo_sync_from_device(struct coda_ctx *ctx)
1014{
1015 struct __kfifo *kfifo = &ctx->bitstream_fifo.kfifo;
1016 struct coda_dev *dev = ctx->dev;
1017 u32 rd_ptr;
1018
1019 rd_ptr = coda_read(dev, CODA_REG_BIT_RD_PTR(ctx->reg_idx));
1020 kfifo->out = (kfifo->in & ~kfifo->mask) |
1021 (rd_ptr - ctx->bitstream.paddr);
1022 if (kfifo->out > kfifo->in)
1023 kfifo->out -= kfifo->mask + 1;
1024}
1025
1026static void coda_kfifo_sync_to_device_full(struct coda_ctx *ctx)
1027{
1028 struct __kfifo *kfifo = &ctx->bitstream_fifo.kfifo;
1029 struct coda_dev *dev = ctx->dev;
1030 u32 rd_ptr, wr_ptr;
1031
1032 rd_ptr = ctx->bitstream.paddr + (kfifo->out & kfifo->mask);
1033 coda_write(dev, rd_ptr, CODA_REG_BIT_RD_PTR(ctx->reg_idx));
1034 wr_ptr = ctx->bitstream.paddr + (kfifo->in & kfifo->mask);
1035 coda_write(dev, wr_ptr, CODA_REG_BIT_WR_PTR(ctx->reg_idx));
1036}
1037
1038static void coda_kfifo_sync_to_device_write(struct coda_ctx *ctx)
1039{
1040 struct __kfifo *kfifo = &ctx->bitstream_fifo.kfifo;
1041 struct coda_dev *dev = ctx->dev;
1042 u32 wr_ptr;
1043
1044 wr_ptr = ctx->bitstream.paddr + (kfifo->in & kfifo->mask);
1045 coda_write(dev, wr_ptr, CODA_REG_BIT_WR_PTR(ctx->reg_idx));
1046}
1047
1048static int coda_bitstream_queue(struct coda_ctx *ctx, struct vb2_buffer *src_buf)
1049{
1050 u32 src_size = vb2_get_plane_payload(src_buf, 0);
1051 u32 n;
1052
1053 n = kfifo_in(&ctx->bitstream_fifo, vb2_plane_vaddr(src_buf, 0), src_size);
1054 if (n < src_size)
1055 return -ENOSPC;
1056
1057 dma_sync_single_for_device(&ctx->dev->plat_dev->dev, ctx->bitstream.paddr,
1058 ctx->bitstream.size, DMA_TO_DEVICE);
1059
Philipp Zabel846ced92014-07-11 06:36:31 -0300[diff] [blame]1060 src_buf->v4l2_buf.sequence = ctx->qsequence++;
Philipp Zabel9082a7c2013-06-21 03:55:31 -0300[diff] [blame]1061
1062 return 0;
1063}
1064
1065static bool coda_bitstream_try_queue(struct coda_ctx *ctx,
1066 struct vb2_buffer *src_buf)
1067{
1068 int ret;
1069
1070 if (coda_get_bitstream_payload(ctx) +
1071 vb2_get_plane_payload(src_buf, 0) + 512 >= ctx->bitstream.size)
1072 return false;
1073
1074 if (vb2_plane_vaddr(src_buf, 0) == NULL) {
1075 v4l2_err(&ctx->dev->v4l2_dev, "trying to queue empty buffer\n");
1076 return true;
1077 }
1078
1079 ret = coda_bitstream_queue(ctx, src_buf);
1080 if (ret < 0) {
1081 v4l2_err(&ctx->dev->v4l2_dev, "bitstream buffer overflow\n");
1082 return false;
1083 }
1084 /* Sync read pointer to device */
1085 if (ctx == v4l2_m2m_get_curr_priv(ctx->dev->m2m_dev))
1086 coda_kfifo_sync_to_device_write(ctx);
1087
Philipp Zabel84e23652014-07-11 06:36:34 -0300[diff] [blame]1088 ctx->hold = false;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]1089
Philipp Zabel9082a7c2013-06-21 03:55:31 -0300[diff] [blame]1090 return true;
1091}
1092
1093static void coda_fill_bitstream(struct coda_ctx *ctx)
1094{
1095 struct vb2_buffer *src_buf;
Philipp Zabel846ced92014-07-11 06:36:31 -0300[diff] [blame]1096 struct coda_timestamp *ts;
Philipp Zabel9082a7c2013-06-21 03:55:31 -0300[diff] [blame]1097
Philipp Zabel14604e32014-07-11 06:36:22 -0300[diff] [blame]1098 while (v4l2_m2m_num_src_bufs_ready(ctx->fh.m2m_ctx) > 0) {
1099 src_buf = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx);
Philipp Zabel9082a7c2013-06-21 03:55:31 -0300[diff] [blame]1100
1101 if (coda_bitstream_try_queue(ctx, src_buf)) {
Philipp Zabel846ced92014-07-11 06:36:31 -0300[diff] [blame]1102 /*
1103 * Source buffer is queued in the bitstream ringbuffer;
1104 * queue the timestamp and mark source buffer as done
1105 */
Philipp Zabel14604e32014-07-11 06:36:22 -0300[diff] [blame]1106 src_buf = v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx);
Philipp Zabel846ced92014-07-11 06:36:31 -0300[diff] [blame]1107
1108 ts = kmalloc(sizeof(*ts), GFP_KERNEL);
1109 if (ts) {
1110 ts->sequence = src_buf->v4l2_buf.sequence;
1111 ts->timecode = src_buf->v4l2_buf.timecode;
1112 ts->timestamp = src_buf->v4l2_buf.timestamp;
1113 list_add_tail(&ts->list, &ctx->timestamp_list);
1114 }
1115
Philipp Zabel9082a7c2013-06-21 03:55:31 -0300[diff] [blame]1116 v4l2_m2m_buf_done(src_buf, VB2_BUF_STATE_DONE);
1117 } else {
1118 break;
1119 }
1120 }
1121}
1122
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]1123static void coda_set_gdi_regs(struct coda_ctx *ctx)
1124{
1125 struct gdi_tiled_map *tiled_map = &ctx->tiled_map;
1126 struct coda_dev *dev = ctx->dev;
1127 int i;
1128
1129 for (i = 0; i < 16; i++)
1130 coda_write(dev, tiled_map->xy2ca_map[i],
1131 CODA9_GDI_XY2_CAS_0 + 4 * i);
1132 for (i = 0; i < 4; i++)
1133 coda_write(dev, tiled_map->xy2ba_map[i],
1134 CODA9_GDI_XY2_BA_0 + 4 * i);
1135 for (i = 0; i < 16; i++)
1136 coda_write(dev, tiled_map->xy2ra_map[i],
1137 CODA9_GDI_XY2_RAS_0 + 4 * i);
1138 coda_write(dev, tiled_map->xy2rbc_config, CODA9_GDI_XY2_RBC_CONFIG);
1139 for (i = 0; i < 32; i++)
1140 coda_write(dev, tiled_map->rbc2axi_map[i],
1141 CODA9_GDI_RBC2_AXI_0 + 4 * i);
1142}
1143
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1144/*
1145 * Mem-to-mem operations.
1146 */
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]1147static int coda_prepare_decode(struct coda_ctx *ctx)
1148{
1149 struct vb2_buffer *dst_buf;
1150 struct coda_dev *dev = ctx->dev;
1151 struct coda_q_data *q_data_dst;
1152 u32 stridey, height;
1153 u32 picture_y, picture_cb, picture_cr;
1154
Philipp Zabel14604e32014-07-11 06:36:22 -0300[diff] [blame]1155 dst_buf = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]1156 q_data_dst = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
1157
1158 if (ctx->params.rot_mode & CODA_ROT_90) {
1159 stridey = q_data_dst->height;
1160 height = q_data_dst->width;
1161 } else {
1162 stridey = q_data_dst->width;
1163 height = q_data_dst->height;
1164 }
1165
1166 /* Try to copy source buffer contents into the bitstream ringbuffer */
1167 mutex_lock(&ctx->bitstream_mutex);
1168 coda_fill_bitstream(ctx);
1169 mutex_unlock(&ctx->bitstream_mutex);
1170
1171 if (coda_get_bitstream_payload(ctx) < 512 &&
1172 (!(ctx->bit_stream_param & CODA_BIT_STREAM_END_FLAG))) {
1173 v4l2_dbg(1, coda_debug, &dev->v4l2_dev,
1174 "bitstream payload: %d, skipping\n",
1175 coda_get_bitstream_payload(ctx));
Philipp Zabel14604e32014-07-11 06:36:22 -0300[diff] [blame]1176 v4l2_m2m_job_finish(ctx->dev->m2m_dev, ctx->fh.m2m_ctx);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]1177 return -EAGAIN;
1178 }
1179
1180 /* Run coda_start_decoding (again) if not yet initialized */
1181 if (!ctx->initialized) {
1182 int ret = coda_start_decoding(ctx);
1183 if (ret < 0) {
1184 v4l2_err(&dev->v4l2_dev, "failed to start decoding\n");
Philipp Zabel14604e32014-07-11 06:36:22 -0300[diff] [blame]1185 v4l2_m2m_job_finish(ctx->dev->m2m_dev, ctx->fh.m2m_ctx);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]1186 return -EAGAIN;
1187 } else {
1188 ctx->initialized = 1;
1189 }
1190 }
1191
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]1192 if (dev->devtype->product == CODA_960)
1193 coda_set_gdi_regs(ctx);
1194
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]1195 /* Set rotator output */
1196 picture_y = vb2_dma_contig_plane_dma_addr(dst_buf, 0);
1197 if (q_data_dst->fourcc == V4L2_PIX_FMT_YVU420) {
1198 /* Switch Cr and Cb for YVU420 format */
1199 picture_cr = picture_y + stridey * height;
1200 picture_cb = picture_cr + stridey / 2 * height / 2;
1201 } else {
1202 picture_cb = picture_y + stridey * height;
1203 picture_cr = picture_cb + stridey / 2 * height / 2;
1204 }
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]1205
1206 if (dev->devtype->product == CODA_960) {
1207 /*
1208 * The CODA960 seems to have an internal list of buffers with
1209 * 64 entries that includes the registered frame buffers as
1210 * well as the rotator buffer output.
1211 * ROT_INDEX needs to be < 0x40, but > ctx->num_internal_frames.
1212 */
1213 coda_write(dev, CODA_MAX_FRAMEBUFFERS + dst_buf->v4l2_buf.index,
1214 CODA9_CMD_DEC_PIC_ROT_INDEX);
1215 coda_write(dev, picture_y, CODA9_CMD_DEC_PIC_ROT_ADDR_Y);
1216 coda_write(dev, picture_cb, CODA9_CMD_DEC_PIC_ROT_ADDR_CB);
1217 coda_write(dev, picture_cr, CODA9_CMD_DEC_PIC_ROT_ADDR_CR);
1218 coda_write(dev, stridey, CODA9_CMD_DEC_PIC_ROT_STRIDE);
1219 } else {
1220 coda_write(dev, picture_y, CODA_CMD_DEC_PIC_ROT_ADDR_Y);
1221 coda_write(dev, picture_cb, CODA_CMD_DEC_PIC_ROT_ADDR_CB);
1222 coda_write(dev, picture_cr, CODA_CMD_DEC_PIC_ROT_ADDR_CR);
1223 coda_write(dev, stridey, CODA_CMD_DEC_PIC_ROT_STRIDE);
1224 }
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]1225 coda_write(dev, CODA_ROT_MIR_ENABLE | ctx->params.rot_mode,
1226 CODA_CMD_DEC_PIC_ROT_MODE);
1227
1228 switch (dev->devtype->product) {
1229 case CODA_DX6:
1230 /* TBD */
1231 case CODA_7541:
1232 coda_write(dev, CODA_PRE_SCAN_EN, CODA_CMD_DEC_PIC_OPTION);
1233 break;
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]1234 case CODA_960:
1235 coda_write(dev, (1 << 10), CODA_CMD_DEC_PIC_OPTION); /* 'hardcode to use interrupt disable mode'? */
1236 break;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]1237 }
1238
1239 coda_write(dev, 0, CODA_CMD_DEC_PIC_SKIP_NUM);
1240
1241 coda_write(dev, 0, CODA_CMD_DEC_PIC_BB_START);
1242 coda_write(dev, 0, CODA_CMD_DEC_PIC_START_BYTE);
1243
1244 return 0;
1245}
1246
Philipp Zabel477c1cf2013-06-21 03:55:33 -0300[diff] [blame]1247static void coda_prepare_encode(struct coda_ctx *ctx)
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1248{
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1249 struct coda_q_data *q_data_src, *q_data_dst;
1250 struct vb2_buffer *src_buf, *dst_buf;
1251 struct coda_dev *dev = ctx->dev;
1252 int force_ipicture;
1253 int quant_param = 0;
1254 u32 picture_y, picture_cb, picture_cr;
1255 u32 pic_stream_buffer_addr, pic_stream_buffer_size;
1256 u32 dst_fourcc;
1257
Philipp Zabel14604e32014-07-11 06:36:22 -0300[diff] [blame]1258 src_buf = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx);
1259 dst_buf = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1260 q_data_src = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
1261 q_data_dst = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]1262 dst_fourcc = q_data_dst->fourcc;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1263
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]1264 src_buf->v4l2_buf.sequence = ctx->osequence;
1265 dst_buf->v4l2_buf.sequence = ctx->osequence;
1266 ctx->osequence++;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1267
1268 /*
1269 * Workaround coda firmware BUG that only marks the first
1270 * frame as IDR. This is a problem for some decoders that can't
1271 * recover when a frame is lost.
1272 */
1273 if (src_buf->v4l2_buf.sequence % ctx->params.gop_size) {
1274 src_buf->v4l2_buf.flags |= V4L2_BUF_FLAG_PFRAME;
1275 src_buf->v4l2_buf.flags &= ~V4L2_BUF_FLAG_KEYFRAME;
1276 } else {
1277 src_buf->v4l2_buf.flags |= V4L2_BUF_FLAG_KEYFRAME;
1278 src_buf->v4l2_buf.flags &= ~V4L2_BUF_FLAG_PFRAME;
1279 }
1280
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]1281 if (dev->devtype->product == CODA_960)
1282 coda_set_gdi_regs(ctx);
1283
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1284 /*
1285 * Copy headers at the beginning of the first frame for H.264 only.
1286 * In MPEG4 they are already copied by the coda.
1287 */
1288 if (src_buf->v4l2_buf.sequence == 0) {
1289 pic_stream_buffer_addr =
1290 vb2_dma_contig_plane_dma_addr(dst_buf, 0) +
1291 ctx->vpu_header_size[0] +
1292 ctx->vpu_header_size[1] +
1293 ctx->vpu_header_size[2];
1294 pic_stream_buffer_size = CODA_MAX_FRAME_SIZE -
1295 ctx->vpu_header_size[0] -
1296 ctx->vpu_header_size[1] -
1297 ctx->vpu_header_size[2];
1298 memcpy(vb2_plane_vaddr(dst_buf, 0),
1299 &ctx->vpu_header[0][0], ctx->vpu_header_size[0]);
1300 memcpy(vb2_plane_vaddr(dst_buf, 0) + ctx->vpu_header_size[0],
1301 &ctx->vpu_header[1][0], ctx->vpu_header_size[1]);
1302 memcpy(vb2_plane_vaddr(dst_buf, 0) + ctx->vpu_header_size[0] +
1303 ctx->vpu_header_size[1], &ctx->vpu_header[2][0],
1304 ctx->vpu_header_size[2]);
1305 } else {
1306 pic_stream_buffer_addr =
1307 vb2_dma_contig_plane_dma_addr(dst_buf, 0);
1308 pic_stream_buffer_size = CODA_MAX_FRAME_SIZE;
1309 }
1310
1311 if (src_buf->v4l2_buf.flags & V4L2_BUF_FLAG_KEYFRAME) {
1312 force_ipicture = 1;
1313 switch (dst_fourcc) {
1314 case V4L2_PIX_FMT_H264:
1315 quant_param = ctx->params.h264_intra_qp;
1316 break;
1317 case V4L2_PIX_FMT_MPEG4:
1318 quant_param = ctx->params.mpeg4_intra_qp;
1319 break;
1320 default:
1321 v4l2_warn(&ctx->dev->v4l2_dev,
1322 "cannot set intra qp, fmt not supported\n");
1323 break;
1324 }
1325 } else {
1326 force_ipicture = 0;
1327 switch (dst_fourcc) {
1328 case V4L2_PIX_FMT_H264:
1329 quant_param = ctx->params.h264_inter_qp;
1330 break;
1331 case V4L2_PIX_FMT_MPEG4:
1332 quant_param = ctx->params.mpeg4_inter_qp;
1333 break;
1334 default:
1335 v4l2_warn(&ctx->dev->v4l2_dev,
1336 "cannot set inter qp, fmt not supported\n");
1337 break;
1338 }
1339 }
1340
1341 /* submit */
Philipp Zabel8f35c7b2012-07-09 04:25:52 -0300[diff] [blame]1342 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]1343 coda_write(dev, quant_param, CODA_CMD_ENC_PIC_QS);
1344
1345
1346 picture_y = vb2_dma_contig_plane_dma_addr(src_buf, 0);
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]1347 switch (q_data_src->fourcc) {
1348 case V4L2_PIX_FMT_YVU420:
1349 /* Switch Cb and Cr for YVU420 format */
Philipp Zabel2fd6a372014-07-11 06:36:36 -0300[diff] [blame]1350 picture_cr = picture_y + q_data_src->bytesperline *
1351 q_data_src->height;
1352 picture_cb = picture_cr + q_data_src->bytesperline / 2 *
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]1353 q_data_src->height / 2;
1354 break;
1355 case V4L2_PIX_FMT_YUV420:
1356 default:
Philipp Zabel2fd6a372014-07-11 06:36:36 -0300[diff] [blame]1357 picture_cb = picture_y + q_data_src->bytesperline *
1358 q_data_src->height;
1359 picture_cr = picture_cb + q_data_src->bytesperline / 2 *
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]1360 q_data_src->height / 2;
1361 break;
1362 }
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1363
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]1364 if (dev->devtype->product == CODA_960) {
1365 coda_write(dev, 4/*FIXME: 0*/, CODA9_CMD_ENC_PIC_SRC_INDEX);
1366 coda_write(dev, q_data_src->width, CODA9_CMD_ENC_PIC_SRC_STRIDE);
1367 coda_write(dev, 0, CODA9_CMD_ENC_PIC_SUB_FRAME_SYNC);
1368
1369 coda_write(dev, picture_y, CODA9_CMD_ENC_PIC_SRC_ADDR_Y);
1370 coda_write(dev, picture_cb, CODA9_CMD_ENC_PIC_SRC_ADDR_CB);
1371 coda_write(dev, picture_cr, CODA9_CMD_ENC_PIC_SRC_ADDR_CR);
1372 } else {
1373 coda_write(dev, picture_y, CODA_CMD_ENC_PIC_SRC_ADDR_Y);
1374 coda_write(dev, picture_cb, CODA_CMD_ENC_PIC_SRC_ADDR_CB);
1375 coda_write(dev, picture_cr, CODA_CMD_ENC_PIC_SRC_ADDR_CR);
1376 }
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1377 coda_write(dev, force_ipicture << 1 & 0x2,
1378 CODA_CMD_ENC_PIC_OPTION);
1379
1380 coda_write(dev, pic_stream_buffer_addr, CODA_CMD_ENC_PIC_BB_START);
1381 coda_write(dev, pic_stream_buffer_size / 1024,
1382 CODA_CMD_ENC_PIC_BB_SIZE);
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]1383
1384 if (!ctx->streamon_out) {
1385 /* After streamoff on the output side, set the stream end flag */
1386 ctx->bit_stream_param |= CODA_BIT_STREAM_END_FLAG;
1387 coda_write(dev, ctx->bit_stream_param, CODA_REG_BIT_BIT_STREAM_PARAM);
1388 }
Philipp Zabel477c1cf2013-06-21 03:55:33 -0300[diff] [blame]1389}
1390
1391static void coda_device_run(void *m2m_priv)
1392{
1393 struct coda_ctx *ctx = m2m_priv;
1394 struct coda_dev *dev = ctx->dev;
Philipp Zabel32b6f202014-07-11 06:36:20 -0300[diff] [blame]1395
1396 queue_work(dev->workqueue, &ctx->pic_run_work);
1397}
1398
1399static void coda_free_framebuffers(struct coda_ctx *ctx);
1400static void coda_free_context_buffers(struct coda_ctx *ctx);
1401
1402static void coda_seq_end_work(struct work_struct *work)
1403{
1404 struct coda_ctx *ctx = container_of(work, struct coda_ctx, seq_end_work);
1405 struct coda_dev *dev = ctx->dev;
1406
1407 mutex_lock(&ctx->buffer_mutex);
1408 mutex_lock(&dev->coda_mutex);
1409
1410 v4l2_dbg(1, coda_debug, &dev->v4l2_dev,
1411 "%d: %s: sent command 'SEQ_END' to coda\n", ctx->idx, __func__);
1412 if (coda_command_sync(ctx, CODA_COMMAND_SEQ_END)) {
1413 v4l2_err(&dev->v4l2_dev,
1414 "CODA_COMMAND_SEQ_END failed\n");
1415 }
1416
1417 kfifo_init(&ctx->bitstream_fifo,
1418 ctx->bitstream.vaddr, ctx->bitstream.size);
1419
1420 coda_free_framebuffers(ctx);
1421 coda_free_context_buffers(ctx);
1422
1423 mutex_unlock(&dev->coda_mutex);
1424 mutex_unlock(&ctx->buffer_mutex);
1425}
1426
1427static void coda_finish_decode(struct coda_ctx *ctx);
1428static void coda_finish_encode(struct coda_ctx *ctx);
1429
1430static void coda_pic_run_work(struct work_struct *work)
1431{
1432 struct coda_ctx *ctx = container_of(work, struct coda_ctx, pic_run_work);
1433 struct coda_dev *dev = ctx->dev;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]1434 int ret;
1435
1436 mutex_lock(&ctx->buffer_mutex);
Philipp Zabel477c1cf2013-06-21 03:55:33 -0300[diff] [blame]1437 mutex_lock(&dev->coda_mutex);
1438
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]1439 if (ctx->inst_type == CODA_INST_DECODER) {
1440 ret = coda_prepare_decode(ctx);
1441 if (ret < 0) {
1442 mutex_unlock(&dev->coda_mutex);
1443 mutex_unlock(&ctx->buffer_mutex);
1444 /* job_finish scheduled by prepare_decode */
1445 return;
1446 }
1447 } else {
1448 coda_prepare_encode(ctx);
Philipp Zabel10436672012-07-02 09:03:55 -0300[diff] [blame]1449 }
1450
Philipp Zabelc2d22512013-06-21 03:55:28 -0300[diff] [blame]1451 if (dev->devtype->product != CODA_DX6)
1452 coda_write(dev, ctx->iram_info.axi_sram_use,
1453 CODA7_REG_BIT_AXI_SRAM_USE);
1454
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]1455 if (ctx->inst_type == CODA_INST_DECODER)
1456 coda_kfifo_sync_to_device_full(ctx);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1457 coda_command_async(ctx, CODA_COMMAND_PIC_RUN);
Philipp Zabel32b6f202014-07-11 06:36:20 -0300[diff] [blame]1458
1459 if (!wait_for_completion_timeout(&ctx->completion, msecs_to_jiffies(1000))) {
1460 dev_err(&dev->plat_dev->dev, "CODA PIC_RUN timeout\n");
Philipp Zabel84e23652014-07-11 06:36:34 -0300[diff] [blame]1461
1462 ctx->hold = true;
Philipp Zabel8f452842014-07-11 06:36:35 -0300[diff] [blame]1463
1464 coda_hw_reset(ctx);
Philipp Zabel32b6f202014-07-11 06:36:20 -0300[diff] [blame]1465 } else if (!ctx->aborting) {
1466 if (ctx->inst_type == CODA_INST_DECODER)
1467 coda_finish_decode(ctx);
1468 else
1469 coda_finish_encode(ctx);
1470 }
1471
1472 if (ctx->aborting || (!ctx->streamon_cap && !ctx->streamon_out))
1473 queue_work(dev->workqueue, &ctx->seq_end_work);
1474
1475 mutex_unlock(&dev->coda_mutex);
1476 mutex_unlock(&ctx->buffer_mutex);
1477
Philipp Zabel14604e32014-07-11 06:36:22 -0300[diff] [blame]1478 v4l2_m2m_job_finish(ctx->dev->m2m_dev, ctx->fh.m2m_ctx);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1479}
1480
1481static int coda_job_ready(void *m2m_priv)
1482{
1483 struct coda_ctx *ctx = m2m_priv;
1484
1485 /*
1486 * For both 'P' and 'key' frame cases 1 picture
Philipp Zabel9082a7c2013-06-21 03:55:31 -0300[diff] [blame]1487 * and 1 frame are needed. In the decoder case,
1488 * the compressed frame can be in the bitstream.
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1489 */
Philipp Zabel14604e32014-07-11 06:36:22 -0300[diff] [blame]1490 if (!v4l2_m2m_num_src_bufs_ready(ctx->fh.m2m_ctx) &&
Philipp Zabel9082a7c2013-06-21 03:55:31 -0300[diff] [blame]1491 ctx->inst_type != CODA_INST_DECODER) {
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1492 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
1493 "not ready: not enough video buffers.\n");
1494 return 0;
1495 }
1496
Philipp Zabel14604e32014-07-11 06:36:22 -0300[diff] [blame]1497 if (!v4l2_m2m_num_dst_bufs_ready(ctx->fh.m2m_ctx)) {
Philipp Zabel9082a7c2013-06-21 03:55:31 -0300[diff] [blame]1498 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
1499 "not ready: not enough video capture buffers.\n");
1500 return 0;
1501 }
1502
Philipp Zabel84e23652014-07-11 06:36:34 -0300[diff] [blame]1503 if (ctx->hold ||
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]1504 ((ctx->inst_type == CODA_INST_DECODER) &&
1505 (coda_get_bitstream_payload(ctx) < 512) &&
1506 !(ctx->bit_stream_param & CODA_BIT_STREAM_END_FLAG))) {
1507 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
1508 "%d: not ready: not enough bitstream data.\n",
1509 ctx->idx);
1510 return 0;
1511 }
1512
Philipp Zabel3e748262013-05-23 10:43:01 -0300[diff] [blame]1513 if (ctx->aborting) {
1514 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
1515 "not ready: aborting\n");
1516 return 0;
1517 }
1518
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1519 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
1520 "job ready\n");
1521 return 1;
1522}
1523
1524static void coda_job_abort(void *priv)
1525{
1526 struct coda_ctx *ctx = priv;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1527
1528 ctx->aborting = 1;
1529
1530 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
1531 "Aborting task\n");
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1532}
1533
1534static void coda_lock(void *m2m_priv)
1535{
1536 struct coda_ctx *ctx = m2m_priv;
1537 struct coda_dev *pcdev = ctx->dev;
1538 mutex_lock(&pcdev->dev_mutex);
1539}
1540
1541static void coda_unlock(void *m2m_priv)
1542{
1543 struct coda_ctx *ctx = m2m_priv;
1544 struct coda_dev *pcdev = ctx->dev;
1545 mutex_unlock(&pcdev->dev_mutex);
1546}
1547
1548static struct v4l2_m2m_ops coda_m2m_ops = {
1549 .device_run = coda_device_run,
1550 .job_ready = coda_job_ready,
1551 .job_abort = coda_job_abort,
1552 .lock = coda_lock,
1553 .unlock = coda_unlock,
1554};
1555
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]1556static void coda_set_tiled_map_type(struct coda_ctx *ctx, int tiled_map_type)
1557{
1558 struct gdi_tiled_map *tiled_map = &ctx->tiled_map;
1559 int luma_map, chro_map, i;
1560
1561 memset(tiled_map, 0, sizeof(*tiled_map));
1562
1563 luma_map = 64;
1564 chro_map = 64;
1565 tiled_map->map_type = tiled_map_type;
1566 for (i = 0; i < 16; i++)
1567 tiled_map->xy2ca_map[i] = luma_map << 8 | chro_map;
1568 for (i = 0; i < 4; i++)
1569 tiled_map->xy2ba_map[i] = luma_map << 8 | chro_map;
1570 for (i = 0; i < 16; i++)
1571 tiled_map->xy2ra_map[i] = luma_map << 8 | chro_map;
1572
1573 if (tiled_map_type == GDI_LINEAR_FRAME_MAP) {
1574 tiled_map->xy2rbc_config = 0;
1575 } else {
1576 dev_err(&ctx->dev->plat_dev->dev, "invalid map type: %d\n",
1577 tiled_map_type);
1578 return;
1579 }
1580}
1581
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1582static void set_default_params(struct coda_ctx *ctx)
1583{
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]1584 int max_w;
1585 int max_h;
1586
1587 ctx->codec = &ctx->dev->devtype->codecs[0];
1588 max_w = ctx->codec->max_w;
1589 max_h = ctx->codec->max_h;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1590
1591 ctx->params.codec_mode = CODA_MODE_INVALID;
1592 ctx->colorspace = V4L2_COLORSPACE_REC709;
1593 ctx->params.framerate = 30;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1594 ctx->aborting = 0;
1595
1596 /* Default formats for output and input queues */
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]1597 ctx->q_data[V4L2_M2M_SRC].fourcc = ctx->codec->src_fourcc;
1598 ctx->q_data[V4L2_M2M_DST].fourcc = ctx->codec->dst_fourcc;
1599 ctx->q_data[V4L2_M2M_SRC].width = max_w;
1600 ctx->q_data[V4L2_M2M_SRC].height = max_h;
Philipp Zabel2fd6a372014-07-11 06:36:36 -0300[diff] [blame]1601 ctx->q_data[V4L2_M2M_SRC].bytesperline = max_w;
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]1602 ctx->q_data[V4L2_M2M_SRC].sizeimage = (max_w * max_h * 3) / 2;
1603 ctx->q_data[V4L2_M2M_DST].width = max_w;
1604 ctx->q_data[V4L2_M2M_DST].height = max_h;
Philipp Zabel2fd6a372014-07-11 06:36:36 -0300[diff] [blame]1605 ctx->q_data[V4L2_M2M_DST].bytesperline = 0;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1606 ctx->q_data[V4L2_M2M_DST].sizeimage = CODA_MAX_FRAME_SIZE;
Philipp Zabel52c41672014-07-11 06:36:19 -0300[diff] [blame]1607 ctx->q_data[V4L2_M2M_SRC].rect.width = max_w;
1608 ctx->q_data[V4L2_M2M_SRC].rect.height = max_h;
1609 ctx->q_data[V4L2_M2M_DST].rect.width = max_w;
1610 ctx->q_data[V4L2_M2M_DST].rect.height = max_h;
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]1611
1612 if (ctx->dev->devtype->product == CODA_960)
1613 coda_set_tiled_map_type(ctx, GDI_LINEAR_FRAME_MAP);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1614}
1615
1616/*
1617 * Queue operations
1618 */
1619static int coda_queue_setup(struct vb2_queue *vq,
1620 const struct v4l2_format *fmt,
1621 unsigned int *nbuffers, unsigned int *nplanes,
1622 unsigned int sizes[], void *alloc_ctxs[])
1623{
1624 struct coda_ctx *ctx = vb2_get_drv_priv(vq);
Philipp Zabele34db062012-08-29 08:22:00 -0300[diff] [blame]1625 struct coda_q_data *q_data;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1626 unsigned int size;
1627
Philipp Zabele34db062012-08-29 08:22:00 -0300[diff] [blame]1628 q_data = get_q_data(ctx, vq->type);
1629 size = q_data->sizeimage;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1630
1631 *nplanes = 1;
1632 sizes[0] = size;
1633
1634 alloc_ctxs[0] = ctx->dev->alloc_ctx;
1635
1636 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
1637 "get %d buffer(s) of size %d each.\n", *nbuffers, size);
1638
1639 return 0;
1640}
1641
1642static int coda_buf_prepare(struct vb2_buffer *vb)
1643{
1644 struct coda_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
1645 struct coda_q_data *q_data;
1646
1647 q_data = get_q_data(ctx, vb->vb2_queue->type);
1648
1649 if (vb2_plane_size(vb, 0) < q_data->sizeimage) {
1650 v4l2_warn(&ctx->dev->v4l2_dev,
1651 "%s data will not fit into plane (%lu < %lu)\n",
1652 __func__, vb2_plane_size(vb, 0),
1653 (long)q_data->sizeimage);
1654 return -EINVAL;
1655 }
1656
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1657 return 0;
1658}
1659
1660static void coda_buf_queue(struct vb2_buffer *vb)
1661{
1662 struct coda_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]1663 struct coda_dev *dev = ctx->dev;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]1664 struct coda_q_data *q_data;
1665
1666 q_data = get_q_data(ctx, vb->vb2_queue->type);
1667
1668 /*
1669 * In the decoder case, immediately try to copy the buffer into the
1670 * bitstream ringbuffer and mark it as ready to be dequeued.
1671 */
1672 if (q_data->fourcc == V4L2_PIX_FMT_H264 &&
1673 vb->vb2_queue->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
1674 /*
Jonathan McCrohan39c1cb22013-10-20 21:34:01 -0300[diff] [blame]1675 * For backwards compatibility, queuing an empty buffer marks
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]1676 * the stream end
1677 */
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]1678 if (vb2_get_plane_payload(vb, 0) == 0) {
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]1679 ctx->bit_stream_param |= CODA_BIT_STREAM_END_FLAG;
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]1680 if ((dev->devtype->product == CODA_960) &&
1681 coda_isbusy(dev) &&
1682 (ctx->idx == coda_read(dev, CODA_REG_BIT_RUN_INDEX))) {
1683 /* if this decoder instance is running, set the stream end flag */
1684 coda_write(dev, ctx->bit_stream_param, CODA_REG_BIT_BIT_STREAM_PARAM);
1685 }
1686 }
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]1687 mutex_lock(&ctx->bitstream_mutex);
Philipp Zabel14604e32014-07-11 06:36:22 -0300[diff] [blame]1688 v4l2_m2m_buf_queue(ctx->fh.m2m_ctx, vb);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]1689 coda_fill_bitstream(ctx);
1690 mutex_unlock(&ctx->bitstream_mutex);
1691 } else {
Philipp Zabel14604e32014-07-11 06:36:22 -0300[diff] [blame]1692 v4l2_m2m_buf_queue(ctx->fh.m2m_ctx, vb);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]1693 }
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]1694}
1695
Philipp Zabel86eda902013-05-23 10:42:57 -0300[diff] [blame]1696static void coda_parabuf_write(struct coda_ctx *ctx, int index, u32 value)
1697{
1698 struct coda_dev *dev = ctx->dev;
1699 u32 *p = ctx->parabuf.vaddr;
1700
1701 if (dev->devtype->product == CODA_DX6)
1702 p[index] = value;
1703 else
1704 p[index ^ 1] = value;
1705}
1706
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]1707static int coda_alloc_aux_buf(struct coda_dev *dev,
Philipp Zabelf61c0b12014-07-11 06:36:40 -0300[diff] [blame]1708 struct coda_aux_buf *buf, size_t size,
1709 const char *name, struct dentry *parent)
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]1710{
1711 buf->vaddr = dma_alloc_coherent(&dev->plat_dev->dev, size, &buf->paddr,
1712 GFP_KERNEL);
1713 if (!buf->vaddr)
1714 return -ENOMEM;
1715
1716 buf->size = size;
1717
Philipp Zabelf61c0b12014-07-11 06:36:40 -0300[diff] [blame]1718 if (name && parent) {
1719 buf->blob.data = buf->vaddr;
1720 buf->blob.size = size;
1721 buf->dentry = debugfs_create_blob(name, 0644, parent, &buf->blob);
1722 if (!buf->dentry)
1723 dev_warn(&dev->plat_dev->dev,
1724 "failed to create debugfs entry %s\n", name);
1725 }
1726
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]1727 return 0;
1728}
1729
1730static inline int coda_alloc_context_buf(struct coda_ctx *ctx,
Philipp Zabelf61c0b12014-07-11 06:36:40 -0300[diff] [blame]1731 struct coda_aux_buf *buf, size_t size,
1732 const char *name)
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]1733{
Philipp Zabelf61c0b12014-07-11 06:36:40 -0300[diff] [blame]1734 return coda_alloc_aux_buf(ctx->dev, buf, size, name, ctx->debugfs_entry);
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]1735}
1736
1737static void coda_free_aux_buf(struct coda_dev *dev,
1738 struct coda_aux_buf *buf)
1739{
1740 if (buf->vaddr) {
1741 dma_free_coherent(&dev->plat_dev->dev, buf->size,
1742 buf->vaddr, buf->paddr);
1743 buf->vaddr = NULL;
1744 buf->size = 0;
1745 }
Philipp Zabelf61c0b12014-07-11 06:36:40 -0300[diff] [blame]1746 debugfs_remove(buf->dentry);
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]1747}
1748
1749static void coda_free_framebuffers(struct coda_ctx *ctx)
1750{
1751 int i;
1752
1753 for (i = 0; i < CODA_MAX_FRAMEBUFFERS; i++)
1754 coda_free_aux_buf(ctx->dev, &ctx->internal_frames[i]);
1755}
1756
Philipp Zabelec25f682012-07-20 08:54:29 -0300[diff] [blame]1757static int coda_alloc_framebuffers(struct coda_ctx *ctx, struct coda_q_data *q_data, u32 fourcc)
1758{
1759 struct coda_dev *dev = ctx->dev;
Philipp Zabel7c3df782014-07-11 06:36:38 -0300[diff] [blame]1760 int width, height;
Philipp Zabel86eda902013-05-23 10:42:57 -0300[diff] [blame]1761 dma_addr_t paddr;
1762 int ysize;
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]1763 int ret;
Philipp Zabelec25f682012-07-20 08:54:29 -0300[diff] [blame]1764 int i;
1765
Philipp Zabel7c3df782014-07-11 06:36:38 -0300[diff] [blame]1766 if (ctx->codec && (ctx->codec->src_fourcc == V4L2_PIX_FMT_H264 ||
1767 ctx->codec->dst_fourcc == V4L2_PIX_FMT_H264)) {
1768 width = round_up(q_data->width, 16);
1769 height = round_up(q_data->height, 16);
1770 } else {
1771 width = round_up(q_data->width, 8);
1772 height = q_data->height;
1773 }
1774 ysize = width * height;
Philipp Zabel86eda902013-05-23 10:42:57 -0300[diff] [blame]1775
Philipp Zabelec25f682012-07-20 08:54:29 -0300[diff] [blame]1776 /* Allocate frame buffers */
Philipp Zabelec25f682012-07-20 08:54:29 -0300[diff] [blame]1777 for (i = 0; i < ctx->num_internal_frames; i++) {
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]1778 size_t size;
Philipp Zabelf61c0b12014-07-11 06:36:40 -0300[diff] [blame]1779 char *name;
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]1780
Philipp Zabelaed14b02014-07-11 06:36:15 -0300[diff] [blame]1781 size = ysize + ysize / 2;
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]1782 if (ctx->codec->src_fourcc == V4L2_PIX_FMT_H264 &&
1783 dev->devtype->product != CODA_DX6)
Philipp Zabelaed14b02014-07-11 06:36:15 -0300[diff] [blame]1784 size += ysize / 4;
Philipp Zabelf61c0b12014-07-11 06:36:40 -0300[diff] [blame]1785 name = kasprintf(GFP_KERNEL, "fb%d", i);
1786 ret = coda_alloc_context_buf(ctx, &ctx->internal_frames[i],
1787 size, name);
1788 kfree(name);
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]1789 if (ret < 0) {
Philipp Zabelec25f682012-07-20 08:54:29 -0300[diff] [blame]1790 coda_free_framebuffers(ctx);
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]1791 return ret;
Philipp Zabelec25f682012-07-20 08:54:29 -0300[diff] [blame]1792 }
1793 }
1794
1795 /* Register frame buffers in the parameter buffer */
Philipp Zabel86eda902013-05-23 10:42:57 -0300[diff] [blame]1796 for (i = 0; i < ctx->num_internal_frames; i++) {
1797 paddr = ctx->internal_frames[i].paddr;
1798 coda_parabuf_write(ctx, i * 3 + 0, paddr); /* Y */
1799 coda_parabuf_write(ctx, i * 3 + 1, paddr + ysize); /* Cb */
1800 coda_parabuf_write(ctx, i * 3 + 2, paddr + ysize + ysize/4); /* Cr */
Philipp Zabelec25f682012-07-20 08:54:29 -0300[diff] [blame]1801
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]1802 /* mvcol buffer for h.264 */
1803 if (ctx->codec->src_fourcc == V4L2_PIX_FMT_H264 &&
1804 dev->devtype->product != CODA_DX6)
1805 coda_parabuf_write(ctx, 96 + i,
1806 ctx->internal_frames[i].paddr +
1807 ysize + ysize/4 + ysize/4);
Philipp Zabelec25f682012-07-20 08:54:29 -0300[diff] [blame]1808 }
1809
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]1810 /* mvcol buffer for mpeg4 */
1811 if ((dev->devtype->product != CODA_DX6) &&
1812 (ctx->codec->src_fourcc == V4L2_PIX_FMT_MPEG4))
1813 coda_parabuf_write(ctx, 97, ctx->internal_frames[i].paddr +
1814 ysize + ysize/4 + ysize/4);
1815
Philipp Zabelec25f682012-07-20 08:54:29 -0300[diff] [blame]1816 return 0;
1817}
1818
Javier Martin3f3f5c72012-10-29 05:20:29 -0300[diff] [blame]1819static int coda_h264_padding(int size, char *p)
1820{
Javier Martin3f3f5c72012-10-29 05:20:29 -0300[diff] [blame]1821 int nal_size;
1822 int diff;
1823
Javier Martin832fbb52012-10-29 08:34:59 -0300[diff] [blame]1824 diff = size - (size & ~0x7);
Javier Martin3f3f5c72012-10-29 05:20:29 -0300[diff] [blame]1825 if (diff == 0)
1826 return 0;
1827
Javier Martin832fbb52012-10-29 08:34:59 -0300[diff] [blame]1828 nal_size = coda_filler_size[diff];
Javier Martin3f3f5c72012-10-29 05:20:29 -0300[diff] [blame]1829 memcpy(p, coda_filler_nal, nal_size);
1830
1831 /* Add rbsp stop bit and trailing at the end */
1832 *(p + nal_size - 1) = 0x80;
1833
1834 return nal_size;
1835}
1836
Philipp Zabelb313bcc2014-07-11 06:36:16 -0300[diff] [blame]1837static phys_addr_t coda_iram_alloc(struct coda_iram_info *iram, size_t size)
1838{
1839 phys_addr_t ret;
1840
1841 size = round_up(size, 1024);
1842 if (size > iram->remaining)
1843 return 0;
1844 iram->remaining -= size;
1845
1846 ret = iram->next_paddr;
1847 iram->next_paddr += size;
1848
1849 return ret;
1850}
1851
Philipp Zabelc2d22512013-06-21 03:55:28 -0300[diff] [blame]1852static void coda_setup_iram(struct coda_ctx *ctx)
1853{
1854 struct coda_iram_info *iram_info = &ctx->iram_info;
1855 struct coda_dev *dev = ctx->dev;
Philipp Zabelc2d22512013-06-21 03:55:28 -0300[diff] [blame]1856 int mb_width;
Philipp Zabelb313bcc2014-07-11 06:36:16 -0300[diff] [blame]1857 int dbk_bits;
1858 int bit_bits;
1859 int ip_bits;
Philipp Zabelc2d22512013-06-21 03:55:28 -0300[diff] [blame]1860
1861 memset(iram_info, 0, sizeof(*iram_info));
Philipp Zabelb313bcc2014-07-11 06:36:16 -0300[diff] [blame]1862 iram_info->next_paddr = dev->iram.paddr;
1863 iram_info->remaining = dev->iram.size;
Philipp Zabelc2d22512013-06-21 03:55:28 -0300[diff] [blame]1864
Philipp Zabelb313bcc2014-07-11 06:36:16 -0300[diff] [blame]1865 switch (dev->devtype->product) {
1866 case CODA_7541:
1867 dbk_bits = CODA7_USE_HOST_DBK_ENABLE | CODA7_USE_DBK_ENABLE;
1868 bit_bits = CODA7_USE_HOST_BIT_ENABLE | CODA7_USE_BIT_ENABLE;
1869 ip_bits = CODA7_USE_HOST_IP_ENABLE | CODA7_USE_IP_ENABLE;
1870 break;
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]1871 case CODA_960:
1872 dbk_bits = CODA9_USE_HOST_DBK_ENABLE | CODA9_USE_DBK_ENABLE;
1873 bit_bits = CODA9_USE_HOST_BIT_ENABLE | CODA7_USE_BIT_ENABLE;
1874 ip_bits = CODA9_USE_HOST_IP_ENABLE | CODA7_USE_IP_ENABLE;
1875 break;
Philipp Zabelb313bcc2014-07-11 06:36:16 -0300[diff] [blame]1876 default: /* CODA_DX6 */
Philipp Zabelc2d22512013-06-21 03:55:28 -0300[diff] [blame]1877 return;
Philipp Zabelb313bcc2014-07-11 06:36:16 -0300[diff] [blame]1878 }
Philipp Zabelc2d22512013-06-21 03:55:28 -0300[diff] [blame]1879
1880 if (ctx->inst_type == CODA_INST_ENCODER) {
1881 struct coda_q_data *q_data_src;
1882
1883 q_data_src = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
1884 mb_width = DIV_ROUND_UP(q_data_src->width, 16);
1885
1886 /* Prioritize in case IRAM is too small for everything */
Philipp Zabelb313bcc2014-07-11 06:36:16 -0300[diff] [blame]1887 if (dev->devtype->product == CODA_7541) {
1888 iram_info->search_ram_size = round_up(mb_width * 16 *
1889 36 + 2048, 1024);
1890 iram_info->search_ram_paddr = coda_iram_alloc(iram_info,
1891 iram_info->search_ram_size);
1892 if (!iram_info->search_ram_paddr) {
1893 pr_err("IRAM is smaller than the search ram size\n");
1894 goto out;
1895 }
1896 iram_info->axi_sram_use |= CODA7_USE_HOST_ME_ENABLE |
1897 CODA7_USE_ME_ENABLE;
Philipp Zabelc2d22512013-06-21 03:55:28 -0300[diff] [blame]1898 }
1899
1900 /* Only H.264BP and H.263P3 are considered */
Philipp Zabelb313bcc2014-07-11 06:36:16 -0300[diff] [blame]1901 iram_info->buf_dbk_y_use = coda_iram_alloc(iram_info, 64 * mb_width);
1902 iram_info->buf_dbk_c_use = coda_iram_alloc(iram_info, 64 * mb_width);
1903 if (!iram_info->buf_dbk_c_use)
Philipp Zabelc2d22512013-06-21 03:55:28 -0300[diff] [blame]1904 goto out;
Philipp Zabelb313bcc2014-07-11 06:36:16 -0300[diff] [blame]1905 iram_info->axi_sram_use |= dbk_bits;
Philipp Zabelc2d22512013-06-21 03:55:28 -0300[diff] [blame]1906
Philipp Zabelb313bcc2014-07-11 06:36:16 -0300[diff] [blame]1907 iram_info->buf_bit_use = coda_iram_alloc(iram_info, 128 * mb_width);
1908 if (!iram_info->buf_bit_use)
Philipp Zabelc2d22512013-06-21 03:55:28 -0300[diff] [blame]1909 goto out;
Philipp Zabelb313bcc2014-07-11 06:36:16 -0300[diff] [blame]1910 iram_info->axi_sram_use |= bit_bits;
Philipp Zabelc2d22512013-06-21 03:55:28 -0300[diff] [blame]1911
Philipp Zabelb313bcc2014-07-11 06:36:16 -0300[diff] [blame]1912 iram_info->buf_ip_ac_dc_use = coda_iram_alloc(iram_info, 128 * mb_width);
1913 if (!iram_info->buf_ip_ac_dc_use)
1914 goto out;
1915 iram_info->axi_sram_use |= ip_bits;
Philipp Zabelc2d22512013-06-21 03:55:28 -0300[diff] [blame]1916
Philipp Zabel8358e762013-06-21 03:55:32 -0300[diff] [blame]1917 /* OVL and BTP disabled for encoder */
1918 } else if (ctx->inst_type == CODA_INST_DECODER) {
1919 struct coda_q_data *q_data_dst;
Philipp Zabel8358e762013-06-21 03:55:32 -0300[diff] [blame]1920
1921 q_data_dst = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
1922 mb_width = DIV_ROUND_UP(q_data_dst->width, 16);
Philipp Zabel8358e762013-06-21 03:55:32 -0300[diff] [blame]1923
Philipp Zabelb313bcc2014-07-11 06:36:16 -0300[diff] [blame]1924 iram_info->buf_dbk_y_use = coda_iram_alloc(iram_info, 128 * mb_width);
1925 iram_info->buf_dbk_c_use = coda_iram_alloc(iram_info, 128 * mb_width);
1926 if (!iram_info->buf_dbk_c_use)
Philipp Zabel8358e762013-06-21 03:55:32 -0300[diff] [blame]1927 goto out;
Philipp Zabelb313bcc2014-07-11 06:36:16 -0300[diff] [blame]1928 iram_info->axi_sram_use |= dbk_bits;
Philipp Zabel8358e762013-06-21 03:55:32 -0300[diff] [blame]1929
Philipp Zabelb313bcc2014-07-11 06:36:16 -0300[diff] [blame]1930 iram_info->buf_bit_use = coda_iram_alloc(iram_info, 128 * mb_width);
1931 if (!iram_info->buf_bit_use)
Philipp Zabel8358e762013-06-21 03:55:32 -0300[diff] [blame]1932 goto out;
Philipp Zabelb313bcc2014-07-11 06:36:16 -0300[diff] [blame]1933 iram_info->axi_sram_use |= bit_bits;
Philipp Zabel8358e762013-06-21 03:55:32 -0300[diff] [blame]1934
Philipp Zabelb313bcc2014-07-11 06:36:16 -0300[diff] [blame]1935 iram_info->buf_ip_ac_dc_use = coda_iram_alloc(iram_info, 128 * mb_width);
1936 if (!iram_info->buf_ip_ac_dc_use)
Philipp Zabel8358e762013-06-21 03:55:32 -0300[diff] [blame]1937 goto out;
Philipp Zabelb313bcc2014-07-11 06:36:16 -0300[diff] [blame]1938 iram_info->axi_sram_use |= ip_bits;
Philipp Zabel8358e762013-06-21 03:55:32 -0300[diff] [blame]1939
Philipp Zabelb313bcc2014-07-11 06:36:16 -0300[diff] [blame]1940 /* OVL and BTP unused as there is no VC1 support yet */
Philipp Zabelc2d22512013-06-21 03:55:28 -0300[diff] [blame]1941 }
1942
1943out:
Philipp Zabelc2d22512013-06-21 03:55:28 -0300[diff] [blame]1944 if (!(iram_info->axi_sram_use & CODA7_USE_HOST_IP_ENABLE))
1945 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
1946 "IRAM smaller than needed\n");
1947
1948 if (dev->devtype->product == CODA_7541) {
1949 /* TODO - Enabling these causes picture errors on CODA7541 */
Philipp Zabel8358e762013-06-21 03:55:32 -0300[diff] [blame]1950 if (ctx->inst_type == CODA_INST_DECODER) {
1951 /* fw 1.4.50 */
1952 iram_info->axi_sram_use &= ~(CODA7_USE_HOST_IP_ENABLE |
1953 CODA7_USE_IP_ENABLE);
1954 } else {
1955 /* fw 13.4.29 */
Philipp Zabelc2d22512013-06-21 03:55:28 -0300[diff] [blame]1956 iram_info->axi_sram_use &= ~(CODA7_USE_HOST_IP_ENABLE |
1957 CODA7_USE_HOST_DBK_ENABLE |
1958 CODA7_USE_IP_ENABLE |
1959 CODA7_USE_DBK_ENABLE);
1960 }
1961 }
1962}
1963
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]1964static void coda_free_context_buffers(struct coda_ctx *ctx)
1965{
1966 struct coda_dev *dev = ctx->dev;
1967
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]1968 coda_free_aux_buf(dev, &ctx->slicebuf);
1969 coda_free_aux_buf(dev, &ctx->psbuf);
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]1970 if (dev->devtype->product != CODA_DX6)
1971 coda_free_aux_buf(dev, &ctx->workbuf);
1972}
1973
1974static int coda_alloc_context_buffers(struct coda_ctx *ctx,
1975 struct coda_q_data *q_data)
1976{
1977 struct coda_dev *dev = ctx->dev;
1978 size_t size;
1979 int ret;
1980
Philipp Zabele5b0d1c2014-07-11 06:36:41 -0300[diff] [blame^]1981 if (dev->devtype->product == CODA_DX6)
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]1982 return 0;
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]1983
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]1984 if (ctx->psbuf.vaddr) {
1985 v4l2_err(&dev->v4l2_dev, "psmembuf still allocated\n");
1986 return -EBUSY;
1987 }
1988 if (ctx->slicebuf.vaddr) {
1989 v4l2_err(&dev->v4l2_dev, "slicebuf still allocated\n");
1990 return -EBUSY;
1991 }
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]1992 if (ctx->workbuf.vaddr) {
1993 v4l2_err(&dev->v4l2_dev, "context buffer still allocated\n");
1994 ret = -EBUSY;
1995 return -ENOMEM;
1996 }
1997
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]1998 if (q_data->fourcc == V4L2_PIX_FMT_H264) {
1999 /* worst case slice size */
2000 size = (DIV_ROUND_UP(q_data->width, 16) *
2001 DIV_ROUND_UP(q_data->height, 16)) * 3200 / 8 + 512;
Philipp Zabelf61c0b12014-07-11 06:36:40 -0300[diff] [blame]2002 ret = coda_alloc_context_buf(ctx, &ctx->slicebuf, size, "slicebuf");
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2003 if (ret < 0) {
2004 v4l2_err(&dev->v4l2_dev, "failed to allocate %d byte slice buffer",
2005 ctx->slicebuf.size);
2006 return ret;
2007 }
2008 }
2009
2010 if (dev->devtype->product == CODA_7541) {
Philipp Zabelf61c0b12014-07-11 06:36:40 -0300[diff] [blame]2011 ret = coda_alloc_context_buf(ctx, &ctx->psbuf, CODA7_PS_BUF_SIZE, "psbuf");
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2012 if (ret < 0) {
2013 v4l2_err(&dev->v4l2_dev, "failed to allocate psmem buffer");
2014 goto err;
2015 }
2016 }
2017
Philipp Zabele5b0d1c2014-07-11 06:36:41 -0300[diff] [blame^]2018 size = dev->devtype->workbuf_size;
2019 if (dev->devtype->product == CODA_960 &&
2020 q_data->fourcc == V4L2_PIX_FMT_H264)
2021 size += CODA9_PS_SAVE_SIZE;
Philipp Zabelf61c0b12014-07-11 06:36:40 -0300[diff] [blame]2022 ret = coda_alloc_context_buf(ctx, &ctx->workbuf, size, "workbuf");
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]2023 if (ret < 0) {
2024 v4l2_err(&dev->v4l2_dev, "failed to allocate %d byte context buffer",
2025 ctx->workbuf.size);
2026 goto err;
2027 }
2028
2029 return 0;
2030
2031err:
2032 coda_free_context_buffers(ctx);
2033 return ret;
2034}
2035
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2036static int coda_start_decoding(struct coda_ctx *ctx)
2037{
2038 struct coda_q_data *q_data_src, *q_data_dst;
2039 u32 bitstream_buf, bitstream_size;
2040 struct coda_dev *dev = ctx->dev;
2041 int width, height;
2042 u32 src_fourcc;
2043 u32 val;
2044 int ret;
2045
2046 /* Start decoding */
2047 q_data_src = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
2048 q_data_dst = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
2049 bitstream_buf = ctx->bitstream.paddr;
2050 bitstream_size = ctx->bitstream.size;
2051 src_fourcc = q_data_src->fourcc;
2052
2053 coda_write(dev, ctx->parabuf.paddr, CODA_REG_BIT_PARA_BUF_ADDR);
2054
2055 /* Update coda bitstream read and write pointers from kfifo */
2056 coda_kfifo_sync_to_device_full(ctx);
2057
2058 ctx->display_idx = -1;
2059 ctx->frm_dis_flg = 0;
2060 coda_write(dev, 0, CODA_REG_BIT_FRM_DIS_FLG(ctx->reg_idx));
2061
2062 coda_write(dev, CODA_BIT_DEC_SEQ_INIT_ESCAPE,
2063 CODA_REG_BIT_BIT_STREAM_PARAM);
2064
2065 coda_write(dev, bitstream_buf, CODA_CMD_DEC_SEQ_BB_START);
2066 coda_write(dev, bitstream_size / 1024, CODA_CMD_DEC_SEQ_BB_SIZE);
2067 val = 0;
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]2068 if ((dev->devtype->product == CODA_7541) ||
2069 (dev->devtype->product == CODA_960))
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2070 val |= CODA_REORDER_ENABLE;
2071 coda_write(dev, val, CODA_CMD_DEC_SEQ_OPTION);
2072
2073 ctx->params.codec_mode = ctx->codec->mode;
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]2074 if (dev->devtype->product == CODA_960 &&
2075 src_fourcc == V4L2_PIX_FMT_MPEG4)
2076 ctx->params.codec_mode_aux = CODA_MP4_AUX_MPEG4;
2077 else
2078 ctx->params.codec_mode_aux = 0;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2079 if (src_fourcc == V4L2_PIX_FMT_H264) {
2080 if (dev->devtype->product == CODA_7541) {
2081 coda_write(dev, ctx->psbuf.paddr,
2082 CODA_CMD_DEC_SEQ_PS_BB_START);
2083 coda_write(dev, (CODA7_PS_BUF_SIZE / 1024),
2084 CODA_CMD_DEC_SEQ_PS_BB_SIZE);
2085 }
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]2086 if (dev->devtype->product == CODA_960) {
2087 coda_write(dev, 0, CODA_CMD_DEC_SEQ_X264_MV_EN);
2088 coda_write(dev, 512, CODA_CMD_DEC_SEQ_SPP_CHUNK_SIZE);
2089 }
2090 }
2091 if (dev->devtype->product != CODA_960) {
2092 coda_write(dev, 0, CODA_CMD_DEC_SEQ_SRC_SIZE);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2093 }
2094
2095 if (coda_command_sync(ctx, CODA_COMMAND_SEQ_INIT)) {
2096 v4l2_err(&dev->v4l2_dev, "CODA_COMMAND_SEQ_INIT timeout\n");
2097 coda_write(dev, 0, CODA_REG_BIT_BIT_STREAM_PARAM);
2098 return -ETIMEDOUT;
2099 }
2100
2101 /* Update kfifo out pointer from coda bitstream read pointer */
2102 coda_kfifo_sync_from_device(ctx);
2103
2104 coda_write(dev, 0, CODA_REG_BIT_BIT_STREAM_PARAM);
2105
2106 if (coda_read(dev, CODA_RET_DEC_SEQ_SUCCESS) == 0) {
2107 v4l2_err(&dev->v4l2_dev,
2108 "CODA_COMMAND_SEQ_INIT failed, error code = %d\n",
2109 coda_read(dev, CODA_RET_DEC_SEQ_ERR_REASON));
2110 return -EAGAIN;
2111 }
2112
2113 val = coda_read(dev, CODA_RET_DEC_SEQ_SRC_SIZE);
2114 if (dev->devtype->product == CODA_DX6) {
2115 width = (val >> CODADX6_PICWIDTH_OFFSET) & CODADX6_PICWIDTH_MASK;
2116 height = val & CODADX6_PICHEIGHT_MASK;
2117 } else {
2118 width = (val >> CODA7_PICWIDTH_OFFSET) & CODA7_PICWIDTH_MASK;
2119 height = val & CODA7_PICHEIGHT_MASK;
2120 }
2121
2122 if (width > q_data_dst->width || height > q_data_dst->height) {
2123 v4l2_err(&dev->v4l2_dev, "stream is %dx%d, not %dx%d\n",
2124 width, height, q_data_dst->width, q_data_dst->height);
2125 return -EINVAL;
2126 }
2127
2128 width = round_up(width, 16);
2129 height = round_up(height, 16);
2130
2131 v4l2_dbg(1, coda_debug, &dev->v4l2_dev, "%s instance %d now: %dx%d\n",
2132 __func__, ctx->idx, width, height);
2133
Philipp Zabela500a932014-07-11 06:36:13 -0300[diff] [blame]2134 ctx->num_internal_frames = coda_read(dev, CODA_RET_DEC_SEQ_FRAME_NEED);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2135 if (ctx->num_internal_frames > CODA_MAX_FRAMEBUFFERS) {
2136 v4l2_err(&dev->v4l2_dev,
2137 "not enough framebuffers to decode (%d < %d)\n",
2138 CODA_MAX_FRAMEBUFFERS, ctx->num_internal_frames);
2139 return -EINVAL;
2140 }
2141
Philipp Zabel52c41672014-07-11 06:36:19 -0300[diff] [blame]2142 if (src_fourcc == V4L2_PIX_FMT_H264) {
2143 u32 left_right;
2144 u32 top_bottom;
2145
2146 left_right = coda_read(dev, CODA_RET_DEC_SEQ_CROP_LEFT_RIGHT);
2147 top_bottom = coda_read(dev, CODA_RET_DEC_SEQ_CROP_TOP_BOTTOM);
2148
2149 q_data_dst->rect.left = (left_right >> 10) & 0x3ff;
2150 q_data_dst->rect.top = (top_bottom >> 10) & 0x3ff;
2151 q_data_dst->rect.width = width - q_data_dst->rect.left -
2152 (left_right & 0x3ff);
2153 q_data_dst->rect.height = height - q_data_dst->rect.top -
2154 (top_bottom & 0x3ff);
2155 }
2156
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2157 ret = coda_alloc_framebuffers(ctx, q_data_dst, src_fourcc);
2158 if (ret < 0)
2159 return ret;
2160
2161 /* Tell the decoder how many frame buffers we allocated. */
2162 coda_write(dev, ctx->num_internal_frames, CODA_CMD_SET_FRAME_BUF_NUM);
2163 coda_write(dev, width, CODA_CMD_SET_FRAME_BUF_STRIDE);
2164
2165 if (dev->devtype->product != CODA_DX6) {
2166 /* Set secondary AXI IRAM */
2167 coda_setup_iram(ctx);
2168
2169 coda_write(dev, ctx->iram_info.buf_bit_use,
2170 CODA7_CMD_SET_FRAME_AXI_BIT_ADDR);
2171 coda_write(dev, ctx->iram_info.buf_ip_ac_dc_use,
2172 CODA7_CMD_SET_FRAME_AXI_IPACDC_ADDR);
2173 coda_write(dev, ctx->iram_info.buf_dbk_y_use,
2174 CODA7_CMD_SET_FRAME_AXI_DBKY_ADDR);
2175 coda_write(dev, ctx->iram_info.buf_dbk_c_use,
2176 CODA7_CMD_SET_FRAME_AXI_DBKC_ADDR);
2177 coda_write(dev, ctx->iram_info.buf_ovl_use,
2178 CODA7_CMD_SET_FRAME_AXI_OVL_ADDR);
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]2179 if (dev->devtype->product == CODA_960)
2180 coda_write(dev, ctx->iram_info.buf_btp_use,
2181 CODA9_CMD_SET_FRAME_AXI_BTP_ADDR);
2182 }
2183
2184 if (dev->devtype->product == CODA_960) {
2185 coda_write(dev, -1, CODA9_CMD_SET_FRAME_DELAY);
2186
2187 coda_write(dev, 0x20262024, CODA9_CMD_SET_FRAME_CACHE_SIZE);
2188 coda_write(dev, 2 << CODA9_CACHE_PAGEMERGE_OFFSET |
2189 32 << CODA9_CACHE_LUMA_BUFFER_SIZE_OFFSET |
2190 8 << CODA9_CACHE_CB_BUFFER_SIZE_OFFSET |
2191 8 << CODA9_CACHE_CR_BUFFER_SIZE_OFFSET,
2192 CODA9_CMD_SET_FRAME_CACHE_CONFIG);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2193 }
2194
2195 if (src_fourcc == V4L2_PIX_FMT_H264) {
2196 coda_write(dev, ctx->slicebuf.paddr,
2197 CODA_CMD_SET_FRAME_SLICE_BB_START);
2198 coda_write(dev, ctx->slicebuf.size / 1024,
2199 CODA_CMD_SET_FRAME_SLICE_BB_SIZE);
2200 }
2201
2202 if (dev->devtype->product == CODA_7541) {
2203 int max_mb_x = 1920 / 16;
2204 int max_mb_y = 1088 / 16;
2205 int max_mb_num = max_mb_x * max_mb_y;
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]2206
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2207 coda_write(dev, max_mb_num << 16 | max_mb_x << 8 | max_mb_y,
2208 CODA7_CMD_SET_FRAME_MAX_DEC_SIZE);
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]2209 } else if (dev->devtype->product == CODA_960) {
2210 int max_mb_x = 1920 / 16;
2211 int max_mb_y = 1088 / 16;
2212 int max_mb_num = max_mb_x * max_mb_y;
2213
2214 coda_write(dev, max_mb_num << 16 | max_mb_x << 8 | max_mb_y,
2215 CODA9_CMD_SET_FRAME_MAX_DEC_SIZE);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2216 }
2217
2218 if (coda_command_sync(ctx, CODA_COMMAND_SET_FRAME_BUF)) {
2219 v4l2_err(&ctx->dev->v4l2_dev,
2220 "CODA_COMMAND_SET_FRAME_BUF timeout\n");
2221 return -ETIMEDOUT;
2222 }
2223
2224 return 0;
2225}
2226
Philipp Zabeld35167a2013-05-23 10:42:59 -0300[diff] [blame]2227static int coda_encode_header(struct coda_ctx *ctx, struct vb2_buffer *buf,
2228 int header_code, u8 *header, int *size)
2229{
2230 struct coda_dev *dev = ctx->dev;
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]2231 size_t bufsize;
Philipp Zabeld35167a2013-05-23 10:42:59 -0300[diff] [blame]2232 int ret;
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]2233 int i;
2234
2235 if (dev->devtype->product == CODA_960)
2236 memset(vb2_plane_vaddr(buf, 0), 0, 64);
Philipp Zabeld35167a2013-05-23 10:42:59 -0300[diff] [blame]2237
2238 coda_write(dev, vb2_dma_contig_plane_dma_addr(buf, 0),
2239 CODA_CMD_ENC_HEADER_BB_START);
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]2240 bufsize = vb2_plane_size(buf, 0);
2241 if (dev->devtype->product == CODA_960)
2242 bufsize /= 1024;
2243 coda_write(dev, bufsize, CODA_CMD_ENC_HEADER_BB_SIZE);
Philipp Zabeld35167a2013-05-23 10:42:59 -0300[diff] [blame]2244 coda_write(dev, header_code, CODA_CMD_ENC_HEADER_CODE);
2245 ret = coda_command_sync(ctx, CODA_COMMAND_ENCODE_HEADER);
2246 if (ret < 0) {
2247 v4l2_err(&dev->v4l2_dev, "CODA_COMMAND_ENCODE_HEADER timeout\n");
2248 return ret;
2249 }
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]2250
2251 if (dev->devtype->product == CODA_960) {
2252 for (i = 63; i > 0; i--)
2253 if (((char *)vb2_plane_vaddr(buf, 0))[i] != 0)
2254 break;
2255 *size = i + 1;
2256 } else {
2257 *size = coda_read(dev, CODA_REG_BIT_WR_PTR(ctx->reg_idx)) -
2258 coda_read(dev, CODA_CMD_ENC_HEADER_BB_START);
2259 }
Philipp Zabeld35167a2013-05-23 10:42:59 -0300[diff] [blame]2260 memcpy(header, vb2_plane_vaddr(buf, 0), *size);
2261
2262 return 0;
2263}
2264
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]2265static int coda_start_encoding(struct coda_ctx *ctx);
2266
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2267static int coda_start_streaming(struct vb2_queue *q, unsigned int count)
2268{
2269 struct coda_ctx *ctx = vb2_get_drv_priv(q);
2270 struct v4l2_device *v4l2_dev = &ctx->dev->v4l2_dev;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2271 struct coda_dev *dev = ctx->dev;
2272 struct coda_q_data *q_data_src, *q_data_dst;
Philipp Zabelec25f682012-07-20 08:54:29 -0300[diff] [blame]2273 u32 dst_fourcc;
Philipp Zabeld35167a2013-05-23 10:42:59 -0300[diff] [blame]2274 int ret = 0;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2275
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]2276 q_data_src = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2277 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
2278 if (q_data_src->fourcc == V4L2_PIX_FMT_H264) {
2279 if (coda_get_bitstream_payload(ctx) < 512)
2280 return -EINVAL;
2281 } else {
2282 if (count < 1)
2283 return -EINVAL;
2284 }
2285
2286 ctx->streamon_out = 1;
2287
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]2288 if (coda_format_is_yuv(q_data_src->fourcc))
2289 ctx->inst_type = CODA_INST_ENCODER;
2290 else
2291 ctx->inst_type = CODA_INST_DECODER;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2292 } else {
2293 if (count < 1)
2294 return -EINVAL;
2295
2296 ctx->streamon_cap = 1;
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]2297 }
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2298
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]2299 /* Don't start the coda unless both queues are on */
2300 if (!(ctx->streamon_out & ctx->streamon_cap))
2301 return 0;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2302
Philipp Zabeleb107512013-09-30 10:34:45 -0300[diff] [blame]2303 /* Allow decoder device_run with no new buffers queued */
2304 if (ctx->inst_type == CODA_INST_DECODER)
Philipp Zabel14604e32014-07-11 06:36:22 -0300[diff] [blame]2305 v4l2_m2m_set_src_buffered(ctx->fh.m2m_ctx, true);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2306
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]2307 ctx->gopcounter = ctx->params.gop_size - 1;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2308 q_data_dst = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]2309 dst_fourcc = q_data_dst->fourcc;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2310
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]2311 ctx->codec = coda_find_codec(ctx->dev, q_data_src->fourcc,
2312 q_data_dst->fourcc);
2313 if (!ctx->codec) {
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2314 v4l2_err(v4l2_dev, "couldn't tell instance type.\n");
2315 return -EINVAL;
2316 }
2317
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]2318 /* Allocate per-instance buffers */
2319 ret = coda_alloc_context_buffers(ctx, q_data_src);
2320 if (ret < 0)
2321 return ret;
2322
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2323 if (ctx->inst_type == CODA_INST_DECODER) {
2324 mutex_lock(&dev->coda_mutex);
2325 ret = coda_start_decoding(ctx);
2326 mutex_unlock(&dev->coda_mutex);
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]2327 if (ret == -EAGAIN)
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2328 return 0;
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]2329 else if (ret < 0)
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2330 return ret;
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]2331 } else {
2332 ret = coda_start_encoding(ctx);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2333 }
2334
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]2335 ctx->initialized = 1;
2336 return ret;
2337}
2338
2339static int coda_start_encoding(struct coda_ctx *ctx)
2340{
2341 struct coda_dev *dev = ctx->dev;
2342 struct v4l2_device *v4l2_dev = &dev->v4l2_dev;
2343 struct coda_q_data *q_data_src, *q_data_dst;
2344 u32 bitstream_buf, bitstream_size;
2345 struct vb2_buffer *buf;
2346 int gamma, ret, value;
2347 u32 dst_fourcc;
2348
2349 q_data_src = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
2350 q_data_dst = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
2351 dst_fourcc = q_data_dst->fourcc;
2352
Philipp Zabel14604e32014-07-11 06:36:22 -0300[diff] [blame]2353 buf = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx);
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]2354 bitstream_buf = vb2_dma_contig_plane_dma_addr(buf, 0);
2355 bitstream_size = q_data_dst->sizeimage;
2356
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2357 if (!coda_is_initialized(dev)) {
2358 v4l2_err(v4l2_dev, "coda is not initialized.\n");
2359 return -EFAULT;
2360 }
Philipp Zabelfcb62822013-05-23 10:43:00 -0300[diff] [blame]2361
2362 mutex_lock(&dev->coda_mutex);
2363
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2364 coda_write(dev, ctx->parabuf.paddr, CODA_REG_BIT_PARA_BUF_ADDR);
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]2365 coda_write(dev, bitstream_buf, CODA_REG_BIT_RD_PTR(ctx->reg_idx));
2366 coda_write(dev, bitstream_buf, CODA_REG_BIT_WR_PTR(ctx->reg_idx));
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2367 switch (dev->devtype->product) {
2368 case CODA_DX6:
2369 coda_write(dev, CODADX6_STREAM_BUF_DYNALLOC_EN |
2370 CODADX6_STREAM_BUF_PIC_RESET, CODA_REG_BIT_STREAM_CTRL);
2371 break;
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]2372 case CODA_960:
2373 coda_write(dev, 0, CODA9_GDI_WPROT_RGN_EN);
2374 /* fallthrough */
2375 case CODA_7541:
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2376 coda_write(dev, CODA7_STREAM_BUF_DYNALLOC_EN |
2377 CODA7_STREAM_BUF_PIC_RESET, CODA_REG_BIT_STREAM_CTRL);
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]2378 break;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2379 }
2380
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]2381 value = coda_read(dev, CODA_REG_BIT_FRAME_MEM_CTRL);
2382 value &= ~(1 << 2 | 0x7 << 9);
2383 ctx->frame_mem_ctrl = value;
2384 coda_write(dev, value, CODA_REG_BIT_FRAME_MEM_CTRL);
2385
Philipp Zabel10436672012-07-02 09:03:55 -0300[diff] [blame]2386 if (dev->devtype->product == CODA_DX6) {
2387 /* Configure the coda */
Philipp Zabelb313bcc2014-07-11 06:36:16 -0300[diff] [blame]2388 coda_write(dev, dev->iram.paddr, CODADX6_REG_BIT_SEARCH_RAM_BASE_ADDR);
Philipp Zabel10436672012-07-02 09:03:55 -0300[diff] [blame]2389 }
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2390
2391 /* Could set rotation here if needed */
2392 switch (dev->devtype->product) {
2393 case CODA_DX6:
2394 value = (q_data_src->width & CODADX6_PICWIDTH_MASK) << CODADX6_PICWIDTH_OFFSET;
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]2395 value |= (q_data_src->height & CODADX6_PICHEIGHT_MASK) << CODA_PICHEIGHT_OFFSET;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2396 break;
Philipp Zabel7c3df782014-07-11 06:36:38 -0300[diff] [blame]2397 case CODA_7541:
2398 if (dst_fourcc == V4L2_PIX_FMT_H264) {
2399 value = (round_up(q_data_src->width, 16) &
2400 CODA7_PICWIDTH_MASK) << CODA7_PICWIDTH_OFFSET;
2401 value |= (round_up(q_data_src->height, 16) &
2402 CODA7_PICHEIGHT_MASK) << CODA_PICHEIGHT_OFFSET;
2403 break;
2404 }
2405 /* fallthrough */
2406 case CODA_960:
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2407 value = (q_data_src->width & CODA7_PICWIDTH_MASK) << CODA7_PICWIDTH_OFFSET;
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]2408 value |= (q_data_src->height & CODA7_PICHEIGHT_MASK) << CODA_PICHEIGHT_OFFSET;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2409 }
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2410 coda_write(dev, value, CODA_CMD_ENC_SEQ_SRC_SIZE);
2411 coda_write(dev, ctx->params.framerate,
2412 CODA_CMD_ENC_SEQ_SRC_F_RATE);
2413
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]2414 ctx->params.codec_mode = ctx->codec->mode;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2415 switch (dst_fourcc) {
2416 case V4L2_PIX_FMT_MPEG4:
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]2417 if (dev->devtype->product == CODA_960)
2418 coda_write(dev, CODA9_STD_MPEG4, CODA_CMD_ENC_SEQ_COD_STD);
2419 else
2420 coda_write(dev, CODA_STD_MPEG4, CODA_CMD_ENC_SEQ_COD_STD);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2421 coda_write(dev, 0, CODA_CMD_ENC_SEQ_MP4_PARA);
2422 break;
2423 case V4L2_PIX_FMT_H264:
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]2424 if (dev->devtype->product == CODA_960)
2425 coda_write(dev, CODA9_STD_H264, CODA_CMD_ENC_SEQ_COD_STD);
2426 else
2427 coda_write(dev, CODA_STD_H264, CODA_CMD_ENC_SEQ_COD_STD);
Philipp Zabelde23b1d2014-07-11 06:36:27 -0300[diff] [blame]2428 if (ctx->params.h264_deblk_enabled) {
2429 value = ((ctx->params.h264_deblk_alpha &
2430 CODA_264PARAM_DEBLKFILTEROFFSETALPHA_MASK) <<
2431 CODA_264PARAM_DEBLKFILTEROFFSETALPHA_OFFSET) |
2432 ((ctx->params.h264_deblk_beta &
2433 CODA_264PARAM_DEBLKFILTEROFFSETBETA_MASK) <<
2434 CODA_264PARAM_DEBLKFILTEROFFSETBETA_OFFSET);
2435 } else {
2436 value = 1 << CODA_264PARAM_DISABLEDEBLK_OFFSET;
2437 }
2438 coda_write(dev, value, CODA_CMD_ENC_SEQ_264_PARA);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2439 break;
2440 default:
2441 v4l2_err(v4l2_dev,
2442 "dst format (0x%08x) invalid.\n", dst_fourcc);
Philipp Zabelfcb62822013-05-23 10:43:00 -0300[diff] [blame]2443 ret = -EINVAL;
2444 goto out;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2445 }
2446
Philipp Zabelc566c782012-08-08 11:59:38 -0300[diff] [blame]2447 switch (ctx->params.slice_mode) {
2448 case V4L2_MPEG_VIDEO_MULTI_SLICE_MODE_SINGLE:
2449 value = 0;
2450 break;
2451 case V4L2_MPEG_VIDEO_MULTI_SICE_MODE_MAX_MB:
2452 value = (ctx->params.slice_max_mb & CODA_SLICING_SIZE_MASK) << CODA_SLICING_SIZE_OFFSET;
2453 value |= (1 & CODA_SLICING_UNIT_MASK) << CODA_SLICING_UNIT_OFFSET;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2454 value |= 1 & CODA_SLICING_MODE_MASK;
Philipp Zabelc566c782012-08-08 11:59:38 -0300[diff] [blame]2455 break;
2456 case V4L2_MPEG_VIDEO_MULTI_SICE_MODE_MAX_BYTES:
2457 value = (ctx->params.slice_max_bits & CODA_SLICING_SIZE_MASK) << CODA_SLICING_SIZE_OFFSET;
2458 value |= (0 & CODA_SLICING_UNIT_MASK) << CODA_SLICING_UNIT_OFFSET;
2459 value |= 1 & CODA_SLICING_MODE_MASK;
2460 break;
2461 }
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2462 coda_write(dev, value, CODA_CMD_ENC_SEQ_SLICE_MODE);
Philipp Zabelc566c782012-08-08 11:59:38 -0300[diff] [blame]2463 value = ctx->params.gop_size & CODA_GOP_SIZE_MASK;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2464 coda_write(dev, value, CODA_CMD_ENC_SEQ_GOP_SIZE);
2465
2466 if (ctx->params.bitrate) {
2467 /* Rate control enabled */
2468 value = (ctx->params.bitrate & CODA_RATECONTROL_BITRATE_MASK) << CODA_RATECONTROL_BITRATE_OFFSET;
2469 value |= 1 & CODA_RATECONTROL_ENABLE_MASK;
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]2470 if (dev->devtype->product == CODA_960)
2471 value |= BIT(31); /* disable autoskip */
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2472 } else {
2473 value = 0;
2474 }
2475 coda_write(dev, value, CODA_CMD_ENC_SEQ_RC_PARA);
2476
2477 coda_write(dev, 0, CODA_CMD_ENC_SEQ_RC_BUF_SIZE);
Philipp Zabelf38f79d2014-07-11 06:36:28 -0300[diff] [blame]2478 coda_write(dev, ctx->params.intra_refresh,
2479 CODA_CMD_ENC_SEQ_INTRA_REFRESH);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2480
2481 coda_write(dev, bitstream_buf, CODA_CMD_ENC_SEQ_BB_START);
2482 coda_write(dev, bitstream_size / 1024, CODA_CMD_ENC_SEQ_BB_SIZE);
2483
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2484
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]2485 value = 0;
2486 if (dev->devtype->product == CODA_960)
2487 gamma = CODA9_DEFAULT_GAMMA;
2488 else
2489 gamma = CODA_DEFAULT_GAMMA;
2490 if (gamma > 0) {
2491 coda_write(dev, (gamma & CODA_GAMMA_MASK) << CODA_GAMMA_OFFSET,
2492 CODA_CMD_ENC_SEQ_RC_GAMMA);
2493 }
Philipp Zabel1a5567e2014-07-11 06:36:26 -0300[diff] [blame]2494
2495 if (ctx->params.h264_min_qp || ctx->params.h264_max_qp) {
2496 coda_write(dev,
2497 ctx->params.h264_min_qp << CODA_QPMIN_OFFSET |
2498 ctx->params.h264_max_qp << CODA_QPMAX_OFFSET,
2499 CODA_CMD_ENC_SEQ_RC_QP_MIN_MAX);
2500 }
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]2501 if (dev->devtype->product == CODA_960) {
Philipp Zabel1a5567e2014-07-11 06:36:26 -0300[diff] [blame]2502 if (ctx->params.h264_max_qp)
2503 value |= 1 << CODA9_OPTION_RCQPMAX_OFFSET;
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]2504 if (CODA_DEFAULT_GAMMA > 0)
2505 value |= 1 << CODA9_OPTION_GAMMA_OFFSET;
Philipp Zabelfb1fcf12013-05-23 10:42:53 -0300[diff] [blame]2506 } else {
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]2507 if (CODA_DEFAULT_GAMMA > 0) {
2508 if (dev->devtype->product == CODA_DX6)
2509 value |= 1 << CODADX6_OPTION_GAMMA_OFFSET;
2510 else
2511 value |= 1 << CODA7_OPTION_GAMMA_OFFSET;
2512 }
Philipp Zabel1a5567e2014-07-11 06:36:26 -0300[diff] [blame]2513 if (ctx->params.h264_min_qp)
2514 value |= 1 << CODA7_OPTION_RCQPMIN_OFFSET;
2515 if (ctx->params.h264_max_qp)
2516 value |= 1 << CODA7_OPTION_RCQPMAX_OFFSET;
Philipp Zabelfb1fcf12013-05-23 10:42:53 -0300[diff] [blame]2517 }
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2518 coda_write(dev, value, CODA_CMD_ENC_SEQ_OPTION);
2519
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]2520 coda_write(dev, 0, CODA_CMD_ENC_SEQ_RC_INTERVAL_MODE);
2521
Philipp Zabelc2d22512013-06-21 03:55:28 -0300[diff] [blame]2522 coda_setup_iram(ctx);
2523
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2524 if (dst_fourcc == V4L2_PIX_FMT_H264) {
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]2525 switch (dev->devtype->product) {
2526 case CODA_DX6:
Philipp Zabel0fd84dc2013-09-30 10:34:47 -0300[diff] [blame]2527 value = FMO_SLICE_SAVE_BUF_SIZE << 7;
Philipp Zabel10436672012-07-02 09:03:55 -0300[diff] [blame]2528 coda_write(dev, value, CODADX6_CMD_ENC_SEQ_FMO);
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]2529 break;
2530 case CODA_7541:
Philipp Zabelc2d22512013-06-21 03:55:28 -0300[diff] [blame]2531 coda_write(dev, ctx->iram_info.search_ram_paddr,
2532 CODA7_CMD_ENC_SEQ_SEARCH_BASE);
2533 coda_write(dev, ctx->iram_info.search_ram_size,
2534 CODA7_CMD_ENC_SEQ_SEARCH_SIZE);
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]2535 break;
2536 case CODA_960:
2537 coda_write(dev, 0, CODA9_CMD_ENC_SEQ_ME_OPTION);
2538 coda_write(dev, 0, CODA9_CMD_ENC_SEQ_INTRA_WEIGHT);
Philipp Zabel10436672012-07-02 09:03:55 -0300[diff] [blame]2539 }
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2540 }
2541
Philipp Zabelfcb62822013-05-23 10:43:00 -0300[diff] [blame]2542 ret = coda_command_sync(ctx, CODA_COMMAND_SEQ_INIT);
2543 if (ret < 0) {
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2544 v4l2_err(v4l2_dev, "CODA_COMMAND_SEQ_INIT timeout\n");
Philipp Zabelfcb62822013-05-23 10:43:00 -0300[diff] [blame]2545 goto out;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2546 }
2547
Philipp Zabelfcb62822013-05-23 10:43:00 -0300[diff] [blame]2548 if (coda_read(dev, CODA_RET_ENC_SEQ_SUCCESS) == 0) {
2549 v4l2_err(v4l2_dev, "CODA_COMMAND_SEQ_INIT failed\n");
2550 ret = -EFAULT;
2551 goto out;
2552 }
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2553
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]2554 if (dev->devtype->product == CODA_960)
2555 ctx->num_internal_frames = 4;
2556 else
2557 ctx->num_internal_frames = 2;
Philipp Zabelec25f682012-07-20 08:54:29 -0300[diff] [blame]2558 ret = coda_alloc_framebuffers(ctx, q_data_src, dst_fourcc);
Philipp Zabelfcb62822013-05-23 10:43:00 -0300[diff] [blame]2559 if (ret < 0) {
2560 v4l2_err(v4l2_dev, "failed to allocate framebuffers\n");
2561 goto out;
2562 }
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2563
Philipp Zabelec25f682012-07-20 08:54:29 -0300[diff] [blame]2564 coda_write(dev, ctx->num_internal_frames, CODA_CMD_SET_FRAME_BUF_NUM);
Philipp Zabel2fd6a372014-07-11 06:36:36 -0300[diff] [blame]2565 coda_write(dev, q_data_src->bytesperline,
2566 CODA_CMD_SET_FRAME_BUF_STRIDE);
2567 if (dev->devtype->product == CODA_7541) {
2568 coda_write(dev, q_data_src->bytesperline,
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2569 CODA7_CMD_SET_FRAME_SOURCE_BUF_STRIDE);
Philipp Zabel2fd6a372014-07-11 06:36:36 -0300[diff] [blame]2570 }
Philipp Zabel10436672012-07-02 09:03:55 -0300[diff] [blame]2571 if (dev->devtype->product != CODA_DX6) {
Philipp Zabelc2d22512013-06-21 03:55:28 -0300[diff] [blame]2572 coda_write(dev, ctx->iram_info.buf_bit_use,
2573 CODA7_CMD_SET_FRAME_AXI_BIT_ADDR);
2574 coda_write(dev, ctx->iram_info.buf_ip_ac_dc_use,
2575 CODA7_CMD_SET_FRAME_AXI_IPACDC_ADDR);
2576 coda_write(dev, ctx->iram_info.buf_dbk_y_use,
2577 CODA7_CMD_SET_FRAME_AXI_DBKY_ADDR);
2578 coda_write(dev, ctx->iram_info.buf_dbk_c_use,
2579 CODA7_CMD_SET_FRAME_AXI_DBKC_ADDR);
2580 coda_write(dev, ctx->iram_info.buf_ovl_use,
2581 CODA7_CMD_SET_FRAME_AXI_OVL_ADDR);
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]2582 if (dev->devtype->product == CODA_960) {
2583 coda_write(dev, ctx->iram_info.buf_btp_use,
2584 CODA9_CMD_SET_FRAME_AXI_BTP_ADDR);
2585
2586 /* FIXME */
2587 coda_write(dev, ctx->internal_frames[2].paddr, CODA9_CMD_SET_FRAME_SUBSAMP_A);
2588 coda_write(dev, ctx->internal_frames[3].paddr, CODA9_CMD_SET_FRAME_SUBSAMP_B);
2589 }
Philipp Zabel10436672012-07-02 09:03:55 -0300[diff] [blame]2590 }
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]2591
Philipp Zabelfcb62822013-05-23 10:43:00 -0300[diff] [blame]2592 ret = coda_command_sync(ctx, CODA_COMMAND_SET_FRAME_BUF);
2593 if (ret < 0) {
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2594 v4l2_err(v4l2_dev, "CODA_COMMAND_SET_FRAME_BUF timeout\n");
Philipp Zabelfcb62822013-05-23 10:43:00 -0300[diff] [blame]2595 goto out;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2596 }
2597
2598 /* Save stream headers */
Philipp Zabel14604e32014-07-11 06:36:22 -0300[diff] [blame]2599 buf = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2600 switch (dst_fourcc) {
2601 case V4L2_PIX_FMT_H264:
2602 /*
2603 * Get SPS in the first frame and copy it to an
2604 * intermediate buffer.
2605 */
Philipp Zabeld35167a2013-05-23 10:42:59 -0300[diff] [blame]2606 ret = coda_encode_header(ctx, buf, CODA_HEADER_H264_SPS,
2607 &ctx->vpu_header[0][0],
2608 &ctx->vpu_header_size[0]);
2609 if (ret < 0)
2610 goto out;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2611
2612 /*
2613 * Get PPS in the first frame and copy it to an
2614 * intermediate buffer.
2615 */
Philipp Zabeld35167a2013-05-23 10:42:59 -0300[diff] [blame]2616 ret = coda_encode_header(ctx, buf, CODA_HEADER_H264_PPS,
2617 &ctx->vpu_header[1][0],
2618 &ctx->vpu_header_size[1]);
2619 if (ret < 0)
2620 goto out;
2621
Javier Martin3f3f5c72012-10-29 05:20:29 -0300[diff] [blame]2622 /*
2623 * Length of H.264 headers is variable and thus it might not be
2624 * aligned for the coda to append the encoded frame. In that is
2625 * the case a filler NAL must be added to header 2.
2626 */
2627 ctx->vpu_header_size[2] = coda_h264_padding(
2628 (ctx->vpu_header_size[0] +
2629 ctx->vpu_header_size[1]),
2630 ctx->vpu_header[2]);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2631 break;
2632 case V4L2_PIX_FMT_MPEG4:
2633 /*
2634 * Get VOS in the first frame and copy it to an
2635 * intermediate buffer
2636 */
Philipp Zabeld35167a2013-05-23 10:42:59 -0300[diff] [blame]2637 ret = coda_encode_header(ctx, buf, CODA_HEADER_MP4V_VOS,
2638 &ctx->vpu_header[0][0],
2639 &ctx->vpu_header_size[0]);
2640 if (ret < 0)
2641 goto out;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2642
Philipp Zabeld35167a2013-05-23 10:42:59 -0300[diff] [blame]2643 ret = coda_encode_header(ctx, buf, CODA_HEADER_MP4V_VIS,
2644 &ctx->vpu_header[1][0],
2645 &ctx->vpu_header_size[1]);
2646 if (ret < 0)
2647 goto out;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2648
Philipp Zabeld35167a2013-05-23 10:42:59 -0300[diff] [blame]2649 ret = coda_encode_header(ctx, buf, CODA_HEADER_MP4V_VOL,
2650 &ctx->vpu_header[2][0],
2651 &ctx->vpu_header_size[2]);
2652 if (ret < 0)
2653 goto out;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2654 break;
2655 default:
2656 /* No more formats need to save headers at the moment */
2657 break;
2658 }
2659
Philipp Zabeld35167a2013-05-23 10:42:59 -0300[diff] [blame]2660out:
Philipp Zabelfcb62822013-05-23 10:43:00 -0300[diff] [blame]2661 mutex_unlock(&dev->coda_mutex);
Philipp Zabeld35167a2013-05-23 10:42:59 -0300[diff] [blame]2662 return ret;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2663}
2664
Hans Verkuile37559b2014-04-17 02:47:21 -0300[diff] [blame]2665static void coda_stop_streaming(struct vb2_queue *q)
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2666{
2667 struct coda_ctx *ctx = vb2_get_drv_priv(q);
Philipp Zabel2fb57f02012-07-25 09:22:07 -0300[diff] [blame]2668 struct coda_dev *dev = ctx->dev;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2669
2670 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2671 v4l2_dbg(1, coda_debug, &dev->v4l2_dev,
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2672 "%s: output\n", __func__);
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]2673 ctx->streamon_out = 0;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2674
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]2675 if (ctx->inst_type == CODA_INST_DECODER &&
2676 coda_isbusy(dev) && ctx->idx == coda_read(dev, CODA_REG_BIT_RUN_INDEX)) {
2677 /* if this decoder instance is running, set the stream end flag */
2678 if (dev->devtype->product == CODA_960) {
2679 u32 val = coda_read(dev, CODA_REG_BIT_BIT_STREAM_PARAM);
2680
2681 val |= CODA_BIT_STREAM_END_FLAG;
2682 coda_write(dev, val, CODA_REG_BIT_BIT_STREAM_PARAM);
2683 ctx->bit_stream_param = val;
2684 }
2685 }
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2686 ctx->bit_stream_param |= CODA_BIT_STREAM_END_FLAG;
2687
2688 ctx->isequence = 0;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2689 } else {
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2690 v4l2_dbg(1, coda_debug, &dev->v4l2_dev,
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2691 "%s: capture\n", __func__);
Philipp Zabelb96904e2013-05-23 10:42:58 -0300[diff] [blame]2692 ctx->streamon_cap = 0;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2693
2694 ctx->osequence = 0;
Philipp Zabelcb2c0282014-07-11 06:36:33 -0300[diff] [blame]2695 ctx->sequence_offset = 0;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2696 }
2697
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2698 if (!ctx->streamon_out && !ctx->streamon_cap) {
Philipp Zabel846ced92014-07-11 06:36:31 -0300[diff] [blame]2699 struct coda_timestamp *ts;
2700
2701 while (!list_empty(&ctx->timestamp_list)) {
2702 ts = list_first_entry(&ctx->timestamp_list,
2703 struct coda_timestamp, list);
2704 list_del(&ts->list);
2705 kfree(ts);
2706 }
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2707 kfifo_init(&ctx->bitstream_fifo,
2708 ctx->bitstream.vaddr, ctx->bitstream.size);
2709 ctx->runcounter = 0;
Philipp Zabel62bed142012-07-25 10:40:39 -0300[diff] [blame]2710 }
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2711}
2712
2713static struct vb2_ops coda_qops = {
2714 .queue_setup = coda_queue_setup,
2715 .buf_prepare = coda_buf_prepare,
2716 .buf_queue = coda_buf_queue,
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2717 .start_streaming = coda_start_streaming,
2718 .stop_streaming = coda_stop_streaming,
Philipp Zabel152ea1c2014-07-11 06:36:21 -0300[diff] [blame]2719 .wait_prepare = vb2_ops_wait_prepare,
2720 .wait_finish = vb2_ops_wait_finish,
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2721};
2722
2723static int coda_s_ctrl(struct v4l2_ctrl *ctrl)
2724{
2725 struct coda_ctx *ctx =
2726 container_of(ctrl->handler, struct coda_ctx, ctrls);
2727
2728 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
2729 "s_ctrl: id = %d, val = %d\n", ctrl->id, ctrl->val);
2730
2731 switch (ctrl->id) {
Philipp Zabel8f35c7b2012-07-09 04:25:52 -0300[diff] [blame]2732 case V4L2_CID_HFLIP:
2733 if (ctrl->val)
2734 ctx->params.rot_mode |= CODA_MIR_HOR;
2735 else
2736 ctx->params.rot_mode &= ~CODA_MIR_HOR;
2737 break;
2738 case V4L2_CID_VFLIP:
2739 if (ctrl->val)
2740 ctx->params.rot_mode |= CODA_MIR_VER;
2741 else
2742 ctx->params.rot_mode &= ~CODA_MIR_VER;
2743 break;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2744 case V4L2_CID_MPEG_VIDEO_BITRATE:
2745 ctx->params.bitrate = ctrl->val / 1000;
2746 break;
2747 case V4L2_CID_MPEG_VIDEO_GOP_SIZE:
2748 ctx->params.gop_size = ctrl->val;
2749 break;
2750 case V4L2_CID_MPEG_VIDEO_H264_I_FRAME_QP:
2751 ctx->params.h264_intra_qp = ctrl->val;
2752 break;
2753 case V4L2_CID_MPEG_VIDEO_H264_P_FRAME_QP:
2754 ctx->params.h264_inter_qp = ctrl->val;
2755 break;
Philipp Zabel1a5567e2014-07-11 06:36:26 -0300[diff] [blame]2756 case V4L2_CID_MPEG_VIDEO_H264_MIN_QP:
2757 ctx->params.h264_min_qp = ctrl->val;
2758 break;
2759 case V4L2_CID_MPEG_VIDEO_H264_MAX_QP:
2760 ctx->params.h264_max_qp = ctrl->val;
2761 break;
Philipp Zabelde23b1d2014-07-11 06:36:27 -0300[diff] [blame]2762 case V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_ALPHA:
2763 ctx->params.h264_deblk_alpha = ctrl->val;
2764 break;
2765 case V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_BETA:
2766 ctx->params.h264_deblk_beta = ctrl->val;
2767 break;
2768 case V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_MODE:
2769 ctx->params.h264_deblk_enabled = (ctrl->val ==
2770 V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_ENABLED);
2771 break;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2772 case V4L2_CID_MPEG_VIDEO_MPEG4_I_FRAME_QP:
2773 ctx->params.mpeg4_intra_qp = ctrl->val;
2774 break;
2775 case V4L2_CID_MPEG_VIDEO_MPEG4_P_FRAME_QP:
2776 ctx->params.mpeg4_inter_qp = ctrl->val;
2777 break;
2778 case V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MODE:
2779 ctx->params.slice_mode = ctrl->val;
2780 break;
2781 case V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_MB:
2782 ctx->params.slice_max_mb = ctrl->val;
2783 break;
Philipp Zabelc566c782012-08-08 11:59:38 -0300[diff] [blame]2784 case V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_BYTES:
2785 ctx->params.slice_max_bits = ctrl->val * 8;
2786 break;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2787 case V4L2_CID_MPEG_VIDEO_HEADER_MODE:
2788 break;
Philipp Zabelf38f79d2014-07-11 06:36:28 -0300[diff] [blame]2789 case V4L2_CID_MPEG_VIDEO_CYCLIC_INTRA_REFRESH_MB:
2790 ctx->params.intra_refresh = ctrl->val;
2791 break;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2792 default:
2793 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
2794 "Invalid control, id=%d, val=%d\n",
2795 ctrl->id, ctrl->val);
2796 return -EINVAL;
2797 }
2798
2799 return 0;
2800}
2801
2802static struct v4l2_ctrl_ops coda_ctrl_ops = {
2803 .s_ctrl = coda_s_ctrl,
2804};
2805
2806static int coda_ctrls_setup(struct coda_ctx *ctx)
2807{
2808 v4l2_ctrl_handler_init(&ctx->ctrls, 9);
2809
2810 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
Philipp Zabel8f35c7b2012-07-09 04:25:52 -0300[diff] [blame]2811 V4L2_CID_HFLIP, 0, 1, 1, 0);
2812 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
2813 V4L2_CID_VFLIP, 0, 1, 1, 0);
2814 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2815 V4L2_CID_MPEG_VIDEO_BITRATE, 0, 32767000, 1, 0);
2816 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
2817 V4L2_CID_MPEG_VIDEO_GOP_SIZE, 1, 60, 1, 16);
2818 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
Philipp Zabel594a7502014-07-11 06:36:14 -0300[diff] [blame]2819 V4L2_CID_MPEG_VIDEO_H264_I_FRAME_QP, 0, 51, 1, 25);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2820 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
Philipp Zabel594a7502014-07-11 06:36:14 -0300[diff] [blame]2821 V4L2_CID_MPEG_VIDEO_H264_P_FRAME_QP, 0, 51, 1, 25);
Philipp Zabel1a5567e2014-07-11 06:36:26 -0300[diff] [blame]2822 if (ctx->dev->devtype->product != CODA_960) {
2823 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
2824 V4L2_CID_MPEG_VIDEO_H264_MIN_QP, 0, 51, 1, 12);
2825 }
2826 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
2827 V4L2_CID_MPEG_VIDEO_H264_MAX_QP, 0, 51, 1, 51);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2828 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
Philipp Zabelde23b1d2014-07-11 06:36:27 -0300[diff] [blame]2829 V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_ALPHA, 0, 15, 1, 0);
2830 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
2831 V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_BETA, 0, 15, 1, 0);
2832 v4l2_ctrl_new_std_menu(&ctx->ctrls, &coda_ctrl_ops,
2833 V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_MODE,
2834 V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_DISABLED, 0x0,
2835 V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_ENABLED);
2836 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2837 V4L2_CID_MPEG_VIDEO_MPEG4_I_FRAME_QP, 1, 31, 1, 2);
2838 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
2839 V4L2_CID_MPEG_VIDEO_MPEG4_P_FRAME_QP, 1, 31, 1, 2);
2840 v4l2_ctrl_new_std_menu(&ctx->ctrls, &coda_ctrl_ops,
2841 V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MODE,
Philipp Zabelc566c782012-08-08 11:59:38 -0300[diff] [blame]2842 V4L2_MPEG_VIDEO_MULTI_SICE_MODE_MAX_BYTES, 0x0,
2843 V4L2_MPEG_VIDEO_MULTI_SLICE_MODE_SINGLE);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2844 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
2845 V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_MB, 1, 0x3fffffff, 1, 1);
Philipp Zabelc566c782012-08-08 11:59:38 -0300[diff] [blame]2846 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
2847 V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_BYTES, 1, 0x3fffffff, 1, 500);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2848 v4l2_ctrl_new_std_menu(&ctx->ctrls, &coda_ctrl_ops,
2849 V4L2_CID_MPEG_VIDEO_HEADER_MODE,
2850 V4L2_MPEG_VIDEO_HEADER_MODE_JOINED_WITH_1ST_FRAME,
2851 (1 << V4L2_MPEG_VIDEO_HEADER_MODE_SEPARATE),
2852 V4L2_MPEG_VIDEO_HEADER_MODE_JOINED_WITH_1ST_FRAME);
Philipp Zabelf38f79d2014-07-11 06:36:28 -0300[diff] [blame]2853 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
2854 V4L2_CID_MPEG_VIDEO_CYCLIC_INTRA_REFRESH_MB, 0, 1920 * 1088 / 256, 1, 0);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2855
2856 if (ctx->ctrls.error) {
2857 v4l2_err(&ctx->dev->v4l2_dev, "control initialization error (%d)",
2858 ctx->ctrls.error);
2859 return -EINVAL;
2860 }
2861
2862 return v4l2_ctrl_handler_setup(&ctx->ctrls);
2863}
2864
2865static int coda_queue_init(void *priv, struct vb2_queue *src_vq,
2866 struct vb2_queue *dst_vq)
2867{
2868 struct coda_ctx *ctx = priv;
2869 int ret;
2870
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2871 src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT;
Philipp Zabel419869c2013-05-23 07:06:30 -0300[diff] [blame]2872 src_vq->io_modes = VB2_DMABUF | VB2_MMAP | VB2_USERPTR;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2873 src_vq->drv_priv = ctx;
2874 src_vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer);
2875 src_vq->ops = &coda_qops;
2876 src_vq->mem_ops = &vb2_dma_contig_memops;
Sakari Ailusade48682014-02-25 19:12:19 -0300[diff] [blame]2877 src_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
Philipp Zabel152ea1c2014-07-11 06:36:21 -0300[diff] [blame]2878 src_vq->lock = &ctx->dev->dev_mutex;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2879
2880 ret = vb2_queue_init(src_vq);
2881 if (ret)
2882 return ret;
2883
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2884 dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
Philipp Zabel419869c2013-05-23 07:06:30 -0300[diff] [blame]2885 dst_vq->io_modes = VB2_DMABUF | VB2_MMAP | VB2_USERPTR;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2886 dst_vq->drv_priv = ctx;
2887 dst_vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer);
2888 dst_vq->ops = &coda_qops;
2889 dst_vq->mem_ops = &vb2_dma_contig_memops;
Sakari Ailusade48682014-02-25 19:12:19 -0300[diff] [blame]2890 dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
Philipp Zabel152ea1c2014-07-11 06:36:21 -0300[diff] [blame]2891 dst_vq->lock = &ctx->dev->dev_mutex;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2892
2893 return vb2_queue_init(dst_vq);
2894}
2895
Philipp Zabele11f3e62012-07-25 09:16:58 -0300[diff] [blame]2896static int coda_next_free_instance(struct coda_dev *dev)
2897{
Philipp Zabel0cddc7e2013-09-30 10:34:44 -0300[diff] [blame]2898 int idx = ffz(dev->instance_mask);
2899
2900 if ((idx < 0) ||
2901 (dev->devtype->product == CODA_DX6 && idx > CODADX6_MAX_INSTANCES))
2902 return -EBUSY;
2903
2904 return idx;
Philipp Zabele11f3e62012-07-25 09:16:58 -0300[diff] [blame]2905}
2906
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2907static int coda_open(struct file *file)
2908{
2909 struct coda_dev *dev = video_drvdata(file);
2910 struct coda_ctx *ctx = NULL;
Philipp Zabelf61c0b12014-07-11 06:36:40 -0300[diff] [blame]2911 char *name;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2912 int ret;
Philipp Zabele11f3e62012-07-25 09:16:58 -0300[diff] [blame]2913 int idx;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2914
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2915 ctx = kzalloc(sizeof *ctx, GFP_KERNEL);
2916 if (!ctx)
2917 return -ENOMEM;
2918
Fabio Estevamf82bc202013-08-21 11:14:16 -0300[diff] [blame]2919 idx = coda_next_free_instance(dev);
Philipp Zabel0cddc7e2013-09-30 10:34:44 -0300[diff] [blame]2920 if (idx < 0) {
2921 ret = idx;
Fabio Estevamf82bc202013-08-21 11:14:16 -0300[diff] [blame]2922 goto err_coda_max;
2923 }
2924 set_bit(idx, &dev->instance_mask);
2925
Philipp Zabelf61c0b12014-07-11 06:36:40 -0300[diff] [blame]2926 name = kasprintf(GFP_KERNEL, "context%d", idx);
2927 ctx->debugfs_entry = debugfs_create_dir(name, dev->debugfs_root);
2928 kfree(name);
2929
Philipp Zabel32b6f202014-07-11 06:36:20 -0300[diff] [blame]2930 init_completion(&ctx->completion);
2931 INIT_WORK(&ctx->pic_run_work, coda_pic_run_work);
2932 INIT_WORK(&ctx->seq_end_work, coda_seq_end_work);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2933 v4l2_fh_init(&ctx->fh, video_devdata(file));
2934 file->private_data = &ctx->fh;
2935 v4l2_fh_add(&ctx->fh);
2936 ctx->dev = dev;
Philipp Zabele11f3e62012-07-25 09:16:58 -0300[diff] [blame]2937 ctx->idx = idx;
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]2938 switch (dev->devtype->product) {
2939 case CODA_7541:
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]2940 case CODA_960:
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]2941 ctx->reg_idx = 0;
2942 break;
2943 default:
2944 ctx->reg_idx = idx;
2945 }
Fabio Estevamf82bc202013-08-21 11:14:16 -0300[diff] [blame]2946
Philipp Zabel1e172732014-07-11 06:36:23 -0300[diff] [blame]2947 /* Power up and upload firmware if necessary */
2948 ret = pm_runtime_get_sync(&dev->plat_dev->dev);
2949 if (ret < 0) {
2950 v4l2_err(&dev->v4l2_dev, "failed to power up: %d\n", ret);
2951 goto err_pm_get;
2952 }
2953
Fabio Estevam79830db2013-08-21 11:14:17 -0300[diff] [blame]2954 ret = clk_prepare_enable(dev->clk_per);
2955 if (ret)
2956 goto err_clk_per;
2957
2958 ret = clk_prepare_enable(dev->clk_ahb);
2959 if (ret)
2960 goto err_clk_ahb;
2961
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2962 set_default_params(ctx);
Philipp Zabel14604e32014-07-11 06:36:22 -0300[diff] [blame]2963 ctx->fh.m2m_ctx = v4l2_m2m_ctx_init(dev->m2m_dev, ctx,
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2964 &coda_queue_init);
Philipp Zabel14604e32014-07-11 06:36:22 -0300[diff] [blame]2965 if (IS_ERR(ctx->fh.m2m_ctx)) {
2966 ret = PTR_ERR(ctx->fh.m2m_ctx);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2967
2968 v4l2_err(&dev->v4l2_dev, "%s return error (%d)\n",
2969 __func__, ret);
Fabio Estevamf82bc202013-08-21 11:14:16 -0300[diff] [blame]2970 goto err_ctx_init;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2971 }
Philipp Zabel152ea1c2014-07-11 06:36:21 -0300[diff] [blame]2972
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2973 ret = coda_ctrls_setup(ctx);
2974 if (ret) {
2975 v4l2_err(&dev->v4l2_dev, "failed to setup coda controls\n");
Fabio Estevamf82bc202013-08-21 11:14:16 -0300[diff] [blame]2976 goto err_ctrls_setup;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2977 }
2978
2979 ctx->fh.ctrl_handler = &ctx->ctrls;
2980
Philipp Zabelf61c0b12014-07-11 06:36:40 -0300[diff] [blame]2981 ret = coda_alloc_context_buf(ctx, &ctx->parabuf, CODA_PARA_BUF_SIZE,
2982 "parabuf");
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]2983 if (ret < 0) {
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2984 v4l2_err(&dev->v4l2_dev, "failed to allocate parabuf");
Fabio Estevamf82bc202013-08-21 11:14:16 -0300[diff] [blame]2985 goto err_dma_alloc;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]2986 }
2987
Philipp Zabel9082a7c2013-06-21 03:55:31 -0300[diff] [blame]2988 ctx->bitstream.size = CODA_MAX_FRAME_SIZE;
2989 ctx->bitstream.vaddr = dma_alloc_writecombine(&dev->plat_dev->dev,
2990 ctx->bitstream.size, &ctx->bitstream.paddr, GFP_KERNEL);
2991 if (!ctx->bitstream.vaddr) {
2992 v4l2_err(&dev->v4l2_dev, "failed to allocate bitstream ringbuffer");
2993 ret = -ENOMEM;
Fabio Estevamf82bc202013-08-21 11:14:16 -0300[diff] [blame]2994 goto err_dma_writecombine;
Philipp Zabel9082a7c2013-06-21 03:55:31 -0300[diff] [blame]2995 }
2996 kfifo_init(&ctx->bitstream_fifo,
2997 ctx->bitstream.vaddr, ctx->bitstream.size);
2998 mutex_init(&ctx->bitstream_mutex);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]2999 mutex_init(&ctx->buffer_mutex);
Philipp Zabel846ced92014-07-11 06:36:31 -0300[diff] [blame]3000 INIT_LIST_HEAD(&ctx->timestamp_list);
Philipp Zabel9082a7c2013-06-21 03:55:31 -0300[diff] [blame]3001
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3002 coda_lock(ctx);
Philipp Zabele11f3e62012-07-25 09:16:58 -0300[diff] [blame]3003 list_add(&ctx->list, &dev->instances);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3004 coda_unlock(ctx);
3005
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3006 v4l2_dbg(1, coda_debug, &dev->v4l2_dev, "Created instance %d (%p)\n",
3007 ctx->idx, ctx);
3008
3009 return 0;
3010
Fabio Estevamf82bc202013-08-21 11:14:16 -0300[diff] [blame]3011err_dma_writecombine:
3012 coda_free_context_buffers(ctx);
3013 if (ctx->dev->devtype->product == CODA_DX6)
3014 coda_free_aux_buf(dev, &ctx->workbuf);
3015 coda_free_aux_buf(dev, &ctx->parabuf);
3016err_dma_alloc:
3017 v4l2_ctrl_handler_free(&ctx->ctrls);
3018err_ctrls_setup:
Philipp Zabel14604e32014-07-11 06:36:22 -0300[diff] [blame]3019 v4l2_m2m_ctx_release(ctx->fh.m2m_ctx);
Fabio Estevamf82bc202013-08-21 11:14:16 -0300[diff] [blame]3020err_ctx_init:
3021 clk_disable_unprepare(dev->clk_ahb);
Fabio Estevam79830db2013-08-21 11:14:17 -0300[diff] [blame]3022err_clk_ahb:
Fabio Estevamf82bc202013-08-21 11:14:16 -0300[diff] [blame]3023 clk_disable_unprepare(dev->clk_per);
Fabio Estevam79830db2013-08-21 11:14:17 -0300[diff] [blame]3024err_clk_per:
Philipp Zabel1e172732014-07-11 06:36:23 -0300[diff] [blame]3025 pm_runtime_put_sync(&dev->plat_dev->dev);
3026err_pm_get:
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3027 v4l2_fh_del(&ctx->fh);
3028 v4l2_fh_exit(&ctx->fh);
Fabio Estevamf82bc202013-08-21 11:14:16 -0300[diff] [blame]3029 clear_bit(ctx->idx, &dev->instance_mask);
3030err_coda_max:
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3031 kfree(ctx);
3032 return ret;
3033}
3034
3035static int coda_release(struct file *file)
3036{
3037 struct coda_dev *dev = video_drvdata(file);
3038 struct coda_ctx *ctx = fh_to_ctx(file->private_data);
3039
3040 v4l2_dbg(1, coda_debug, &dev->v4l2_dev, "Releasing instance %p\n",
3041 ctx);
3042
Philipp Zabelf61c0b12014-07-11 06:36:40 -0300[diff] [blame]3043 debugfs_remove_recursive(ctx->debugfs_entry);
3044
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]3045 /* If this instance is running, call .job_abort and wait for it to end */
Philipp Zabel14604e32014-07-11 06:36:22 -0300[diff] [blame]3046 v4l2_m2m_ctx_release(ctx->fh.m2m_ctx);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]3047
3048 /* In case the instance was not running, we still need to call SEQ_END */
Philipp Zabel32b6f202014-07-11 06:36:20 -0300[diff] [blame]3049 if (ctx->initialized) {
3050 queue_work(dev->workqueue, &ctx->seq_end_work);
3051 flush_work(&ctx->seq_end_work);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]3052 }
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]3053
3054 coda_free_framebuffers(ctx);
3055
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3056 coda_lock(ctx);
Philipp Zabele11f3e62012-07-25 09:16:58 -0300[diff] [blame]3057 list_del(&ctx->list);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3058 coda_unlock(ctx);
3059
Philipp Zabel9082a7c2013-06-21 03:55:31 -0300[diff] [blame]3060 dma_free_writecombine(&dev->plat_dev->dev, ctx->bitstream.size,
3061 ctx->bitstream.vaddr, ctx->bitstream.paddr);
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]3062 coda_free_context_buffers(ctx);
3063 if (ctx->dev->devtype->product == CODA_DX6)
3064 coda_free_aux_buf(dev, &ctx->workbuf);
3065
3066 coda_free_aux_buf(dev, &ctx->parabuf);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3067 v4l2_ctrl_handler_free(&ctx->ctrls);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3068 clk_disable_unprepare(dev->clk_ahb);
Fabio Estevamf82bc202013-08-21 11:14:16 -0300[diff] [blame]3069 clk_disable_unprepare(dev->clk_per);
Philipp Zabel1e172732014-07-11 06:36:23 -0300[diff] [blame]3070 pm_runtime_put_sync(&dev->plat_dev->dev);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3071 v4l2_fh_del(&ctx->fh);
3072 v4l2_fh_exit(&ctx->fh);
Philipp Zabele11f3e62012-07-25 09:16:58 -0300[diff] [blame]3073 clear_bit(ctx->idx, &dev->instance_mask);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3074 kfree(ctx);
3075
3076 return 0;
3077}
3078
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3079static const struct v4l2_file_operations coda_fops = {
3080 .owner = THIS_MODULE,
3081 .open = coda_open,
3082 .release = coda_release,
Philipp Zabel152ea1c2014-07-11 06:36:21 -0300[diff] [blame]3083 .poll = v4l2_m2m_fop_poll,
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3084 .unlocked_ioctl = video_ioctl2,
Philipp Zabel152ea1c2014-07-11 06:36:21 -0300[diff] [blame]3085 .mmap = v4l2_m2m_fop_mmap,
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3086};
3087
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]3088static void coda_finish_decode(struct coda_ctx *ctx)
3089{
3090 struct coda_dev *dev = ctx->dev;
3091 struct coda_q_data *q_data_src;
3092 struct coda_q_data *q_data_dst;
3093 struct vb2_buffer *dst_buf;
Philipp Zabel846ced92014-07-11 06:36:31 -0300[diff] [blame]3094 struct coda_timestamp *ts;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]3095 int width, height;
3096 int decoded_idx;
3097 int display_idx;
3098 u32 src_fourcc;
3099 int success;
Philipp Zabel410e5e42014-07-11 06:36:32 -0300[diff] [blame]3100 u32 err_mb;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]3101 u32 val;
3102
Philipp Zabel14604e32014-07-11 06:36:22 -0300[diff] [blame]3103 dst_buf = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]3104
3105 /* Update kfifo out pointer from coda bitstream read pointer */
3106 coda_kfifo_sync_from_device(ctx);
3107
3108 /*
3109 * in stream-end mode, the read pointer can overshoot the write pointer
3110 * by up to 512 bytes
3111 */
3112 if (ctx->bit_stream_param & CODA_BIT_STREAM_END_FLAG) {
3113 if (coda_get_bitstream_payload(ctx) >= 0x100000 - 512)
3114 kfifo_init(&ctx->bitstream_fifo,
3115 ctx->bitstream.vaddr, ctx->bitstream.size);
3116 }
3117
3118 q_data_src = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
3119 src_fourcc = q_data_src->fourcc;
3120
3121 val = coda_read(dev, CODA_RET_DEC_PIC_SUCCESS);
3122 if (val != 1)
3123 pr_err("DEC_PIC_SUCCESS = %d\n", val);
3124
3125 success = val & 0x1;
3126 if (!success)
3127 v4l2_err(&dev->v4l2_dev, "decode failed\n");
3128
3129 if (src_fourcc == V4L2_PIX_FMT_H264) {
3130 if (val & (1 << 3))
3131 v4l2_err(&dev->v4l2_dev,
3132 "insufficient PS buffer space (%d bytes)\n",
3133 ctx->psbuf.size);
3134 if (val & (1 << 2))
3135 v4l2_err(&dev->v4l2_dev,
3136 "insufficient slice buffer space (%d bytes)\n",
3137 ctx->slicebuf.size);
3138 }
3139
3140 val = coda_read(dev, CODA_RET_DEC_PIC_SIZE);
3141 width = (val >> 16) & 0xffff;
3142 height = val & 0xffff;
3143
3144 q_data_dst = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
3145
Philipp Zabel52c41672014-07-11 06:36:19 -0300[diff] [blame]3146 /* frame crop information */
3147 if (src_fourcc == V4L2_PIX_FMT_H264) {
3148 u32 left_right;
3149 u32 top_bottom;
3150
3151 left_right = coda_read(dev, CODA_RET_DEC_PIC_CROP_LEFT_RIGHT);
3152 top_bottom = coda_read(dev, CODA_RET_DEC_PIC_CROP_TOP_BOTTOM);
3153
3154 if (left_right == 0xffffffff && top_bottom == 0xffffffff) {
3155 /* Keep current crop information */
3156 } else {
3157 struct v4l2_rect *rect = &q_data_dst->rect;
3158
3159 rect->left = left_right >> 16 & 0xffff;
3160 rect->top = top_bottom >> 16 & 0xffff;
3161 rect->width = width - rect->left -
3162 (left_right & 0xffff);
3163 rect->height = height - rect->top -
3164 (top_bottom & 0xffff);
3165 }
3166 } else {
3167 /* no cropping */
3168 }
3169
Philipp Zabel410e5e42014-07-11 06:36:32 -0300[diff] [blame]3170 err_mb = coda_read(dev, CODA_RET_DEC_PIC_ERR_MB);
3171 if (err_mb > 0)
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]3172 v4l2_err(&dev->v4l2_dev,
Philipp Zabel410e5e42014-07-11 06:36:32 -0300[diff] [blame]3173 "errors in %d macroblocks\n", err_mb);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]3174
3175 if (dev->devtype->product == CODA_7541) {
3176 val = coda_read(dev, CODA_RET_DEC_PIC_OPTION);
3177 if (val == 0) {
3178 /* not enough bitstream data */
3179 v4l2_dbg(1, coda_debug, &dev->v4l2_dev,
3180 "prescan failed: %d\n", val);
Philipp Zabel84e23652014-07-11 06:36:34 -0300[diff] [blame]3181 ctx->hold = true;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]3182 return;
3183 }
3184 }
3185
3186 ctx->frm_dis_flg = coda_read(dev, CODA_REG_BIT_FRM_DIS_FLG(ctx->reg_idx));
3187
3188 /*
3189 * The previous display frame was copied out by the rotator,
3190 * now it can be overwritten again
3191 */
3192 if (ctx->display_idx >= 0 &&
3193 ctx->display_idx < ctx->num_internal_frames) {
3194 ctx->frm_dis_flg &= ~(1 << ctx->display_idx);
3195 coda_write(dev, ctx->frm_dis_flg,
3196 CODA_REG_BIT_FRM_DIS_FLG(ctx->reg_idx));
3197 }
3198
3199 /*
3200 * The index of the last decoded frame, not necessarily in
3201 * display order, and the index of the next display frame.
3202 * The latter could have been decoded in a previous run.
3203 */
3204 decoded_idx = coda_read(dev, CODA_RET_DEC_PIC_CUR_IDX);
3205 display_idx = coda_read(dev, CODA_RET_DEC_PIC_FRAME_IDX);
3206
3207 if (decoded_idx == -1) {
3208 /* no frame was decoded, but we might have a display frame */
Philipp Zabelcb2c0282014-07-11 06:36:33 -0300[diff] [blame]3209 if (display_idx >= 0 && display_idx < ctx->num_internal_frames)
3210 ctx->sequence_offset++;
3211 else if (ctx->display_idx < 0)
Philipp Zabel84e23652014-07-11 06:36:34 -0300[diff] [blame]3212 ctx->hold = true;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]3213 } else if (decoded_idx == -2) {
3214 /* no frame was decoded, we still return the remaining buffers */
3215 } else if (decoded_idx < 0 || decoded_idx >= ctx->num_internal_frames) {
3216 v4l2_err(&dev->v4l2_dev,
3217 "decoded frame index out of range: %d\n", decoded_idx);
Philipp Zabel1a8b3812014-07-11 06:36:12 -0300[diff] [blame]3218 } else {
Philipp Zabel846ced92014-07-11 06:36:31 -0300[diff] [blame]3219 ts = list_first_entry(&ctx->timestamp_list,
3220 struct coda_timestamp, list);
3221 list_del(&ts->list);
3222 val = coda_read(dev, CODA_RET_DEC_PIC_FRAME_NUM) - 1;
Philipp Zabelcb2c0282014-07-11 06:36:33 -0300[diff] [blame]3223 val -= ctx->sequence_offset;
3224 if (val != (ts->sequence & 0xffff)) {
Philipp Zabel846ced92014-07-11 06:36:31 -0300[diff] [blame]3225 v4l2_err(&dev->v4l2_dev,
Philipp Zabelcb2c0282014-07-11 06:36:33 -0300[diff] [blame]3226 "sequence number mismatch (%d(%d) != %d)\n",
3227 val, ctx->sequence_offset, ts->sequence);
Philipp Zabel846ced92014-07-11 06:36:31 -0300[diff] [blame]3228 }
3229 ctx->frame_timestamps[decoded_idx] = *ts;
3230 kfree(ts);
3231
Philipp Zabel1a8b3812014-07-11 06:36:12 -0300[diff] [blame]3232 val = coda_read(dev, CODA_RET_DEC_PIC_TYPE) & 0x7;
3233 if (val == 0)
3234 ctx->frame_types[decoded_idx] = V4L2_BUF_FLAG_KEYFRAME;
3235 else if (val == 1)
3236 ctx->frame_types[decoded_idx] = V4L2_BUF_FLAG_PFRAME;
3237 else
3238 ctx->frame_types[decoded_idx] = V4L2_BUF_FLAG_BFRAME;
Philipp Zabel410e5e42014-07-11 06:36:32 -0300[diff] [blame]3239
3240 ctx->frame_errors[decoded_idx] = err_mb;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]3241 }
3242
3243 if (display_idx == -1) {
3244 /*
3245 * no more frames to be decoded, but there could still
3246 * be rotator output to dequeue
3247 */
Philipp Zabel84e23652014-07-11 06:36:34 -0300[diff] [blame]3248 ctx->hold = true;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]3249 } else if (display_idx == -3) {
3250 /* possibly prescan failure */
3251 } else if (display_idx < 0 || display_idx >= ctx->num_internal_frames) {
3252 v4l2_err(&dev->v4l2_dev,
3253 "presentation frame index out of range: %d\n",
3254 display_idx);
3255 }
3256
3257 /* If a frame was copied out, return it */
3258 if (ctx->display_idx >= 0 &&
3259 ctx->display_idx < ctx->num_internal_frames) {
Philipp Zabel14604e32014-07-11 06:36:22 -0300[diff] [blame]3260 dst_buf = v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]3261 dst_buf->v4l2_buf.sequence = ctx->osequence++;
3262
Philipp Zabel1a8b3812014-07-11 06:36:12 -0300[diff] [blame]3263 dst_buf->v4l2_buf.flags &= ~(V4L2_BUF_FLAG_KEYFRAME |
3264 V4L2_BUF_FLAG_PFRAME |
3265 V4L2_BUF_FLAG_BFRAME);
3266 dst_buf->v4l2_buf.flags |= ctx->frame_types[ctx->display_idx];
Philipp Zabel846ced92014-07-11 06:36:31 -0300[diff] [blame]3267 ts = &ctx->frame_timestamps[ctx->display_idx];
3268 dst_buf->v4l2_buf.timecode = ts->timecode;
3269 dst_buf->v4l2_buf.timestamp = ts->timestamp;
Philipp Zabel1a8b3812014-07-11 06:36:12 -0300[diff] [blame]3270
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]3271 vb2_set_plane_payload(dst_buf, 0, width * height * 3 / 2);
3272
Philipp Zabel410e5e42014-07-11 06:36:32 -0300[diff] [blame]3273 v4l2_m2m_buf_done(dst_buf, ctx->frame_errors[display_idx] ?
3274 VB2_BUF_STATE_ERROR : VB2_BUF_STATE_DONE);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]3275
3276 v4l2_dbg(1, coda_debug, &dev->v4l2_dev,
3277 "job finished: decoding frame (%d) (%s)\n",
3278 dst_buf->v4l2_buf.sequence,
3279 (dst_buf->v4l2_buf.flags & V4L2_BUF_FLAG_KEYFRAME) ?
3280 "KEYFRAME" : "PFRAME");
3281 } else {
3282 v4l2_dbg(1, coda_debug, &dev->v4l2_dev,
3283 "job finished: no frame decoded\n");
3284 }
3285
3286 /* The rotator will copy the current display frame next time */
3287 ctx->display_idx = display_idx;
3288}
3289
3290static void coda_finish_encode(struct coda_ctx *ctx)
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3291{
Philipp Zabelec25f682012-07-20 08:54:29 -0300[diff] [blame]3292 struct vb2_buffer *src_buf, *dst_buf;
Philipp Zabel477c1cf2013-06-21 03:55:33 -0300[diff] [blame]3293 struct coda_dev *dev = ctx->dev;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3294 u32 wr_ptr, start_ptr;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3295
Philipp Zabel14604e32014-07-11 06:36:22 -0300[diff] [blame]3296 src_buf = v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx);
3297 dst_buf = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3298
3299 /* Get results from the coda */
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3300 start_ptr = coda_read(dev, CODA_CMD_ENC_PIC_BB_START);
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]3301 wr_ptr = coda_read(dev, CODA_REG_BIT_WR_PTR(ctx->reg_idx));
3302
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3303 /* Calculate bytesused field */
3304 if (dst_buf->v4l2_buf.sequence == 0) {
Philipp Zabel366108f2013-06-21 03:55:27 -0300[diff] [blame]3305 vb2_set_plane_payload(dst_buf, 0, wr_ptr - start_ptr +
3306 ctx->vpu_header_size[0] +
3307 ctx->vpu_header_size[1] +
3308 ctx->vpu_header_size[2]);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3309 } else {
Philipp Zabel366108f2013-06-21 03:55:27 -0300[diff] [blame]3310 vb2_set_plane_payload(dst_buf, 0, wr_ptr - start_ptr);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3311 }
3312
3313 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev, "frame size = %u\n",
3314 wr_ptr - start_ptr);
3315
3316 coda_read(dev, CODA_RET_ENC_PIC_SLICE_NUM);
3317 coda_read(dev, CODA_RET_ENC_PIC_FLAG);
3318
Philipp Zabel51660282013-09-30 10:34:49 -0300[diff] [blame]3319 if (coda_read(dev, CODA_RET_ENC_PIC_TYPE) == 0) {
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3320 dst_buf->v4l2_buf.flags |= V4L2_BUF_FLAG_KEYFRAME;
3321 dst_buf->v4l2_buf.flags &= ~V4L2_BUF_FLAG_PFRAME;
3322 } else {
3323 dst_buf->v4l2_buf.flags |= V4L2_BUF_FLAG_PFRAME;
3324 dst_buf->v4l2_buf.flags &= ~V4L2_BUF_FLAG_KEYFRAME;
3325 }
3326
Kamil Debskiccd571c2013-04-24 10:38:24 -0300[diff] [blame]3327 dst_buf->v4l2_buf.timestamp = src_buf->v4l2_buf.timestamp;
Sakari Ailus309f4d62014-02-08 14:21:35 -0300[diff] [blame]3328 dst_buf->v4l2_buf.flags &= ~V4L2_BUF_FLAG_TSTAMP_SRC_MASK;
3329 dst_buf->v4l2_buf.flags |=
3330 src_buf->v4l2_buf.flags & V4L2_BUF_FLAG_TSTAMP_SRC_MASK;
Kamil Debskiccd571c2013-04-24 10:38:24 -0300[diff] [blame]3331 dst_buf->v4l2_buf.timecode = src_buf->v4l2_buf.timecode;
3332
Philipp Zabelec25f682012-07-20 08:54:29 -0300[diff] [blame]3333 v4l2_m2m_buf_done(src_buf, VB2_BUF_STATE_DONE);
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]3334
Philipp Zabel14604e32014-07-11 06:36:22 -0300[diff] [blame]3335 dst_buf = v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3336 v4l2_m2m_buf_done(dst_buf, VB2_BUF_STATE_DONE);
3337
3338 ctx->gopcounter--;
3339 if (ctx->gopcounter < 0)
3340 ctx->gopcounter = ctx->params.gop_size - 1;
3341
3342 v4l2_dbg(1, coda_debug, &dev->v4l2_dev,
3343 "job finished: encoding frame (%d) (%s)\n",
3344 dst_buf->v4l2_buf.sequence,
3345 (dst_buf->v4l2_buf.flags & V4L2_BUF_FLAG_KEYFRAME) ?
3346 "KEYFRAME" : "PFRAME");
Philipp Zabel477c1cf2013-06-21 03:55:33 -0300[diff] [blame]3347}
3348
3349static irqreturn_t coda_irq_handler(int irq, void *data)
3350{
3351 struct coda_dev *dev = data;
3352 struct coda_ctx *ctx;
3353
Philipp Zabel477c1cf2013-06-21 03:55:33 -0300[diff] [blame]3354 /* read status register to attend the IRQ */
3355 coda_read(dev, CODA_REG_BIT_INT_STATUS);
3356 coda_write(dev, CODA_REG_BIT_INT_CLEAR_SET,
3357 CODA_REG_BIT_INT_CLEAR);
3358
3359 ctx = v4l2_m2m_get_curr_priv(dev->m2m_dev);
3360 if (ctx == NULL) {
3361 v4l2_err(&dev->v4l2_dev, "Instance released before the end of transaction\n");
3362 mutex_unlock(&dev->coda_mutex);
3363 return IRQ_HANDLED;
3364 }
3365
3366 if (ctx->aborting) {
3367 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
3368 "task has been aborted\n");
Philipp Zabel477c1cf2013-06-21 03:55:33 -0300[diff] [blame]3369 }
3370
3371 if (coda_isbusy(ctx->dev)) {
3372 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
3373 "coda is still busy!!!!\n");
3374 return IRQ_NONE;
3375 }
3376
Philipp Zabel32b6f202014-07-11 06:36:20 -0300[diff] [blame]3377 complete(&ctx->completion);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3378
3379 return IRQ_HANDLED;
3380}
3381
3382static u32 coda_supported_firmwares[] = {
3383 CODA_FIRMWARE_VERNUM(CODA_DX6, 2, 2, 5),
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]3384 CODA_FIRMWARE_VERNUM(CODA_7541, 1, 4, 50),
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]3385 CODA_FIRMWARE_VERNUM(CODA_960, 2, 1, 5),
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3386};
3387
3388static bool coda_firmware_supported(u32 vernum)
3389{
3390 int i;
3391
3392 for (i = 0; i < ARRAY_SIZE(coda_supported_firmwares); i++)
3393 if (vernum == coda_supported_firmwares[i])
3394 return true;
3395 return false;
3396}
3397
Philipp Zabel87048bb2012-07-02 07:03:43 -0300[diff] [blame]3398static int coda_hw_init(struct coda_dev *dev)
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3399{
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3400 u32 data;
3401 u16 *p;
Fabio Estevam79830db2013-08-21 11:14:17 -0300[diff] [blame]3402 int i, ret;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3403
Fabio Estevam79830db2013-08-21 11:14:17 -0300[diff] [blame]3404 ret = clk_prepare_enable(dev->clk_per);
3405 if (ret)
Philipp Zabel1e172732014-07-11 06:36:23 -0300[diff] [blame]3406 goto err_clk_per;
Fabio Estevam79830db2013-08-21 11:14:17 -0300[diff] [blame]3407
3408 ret = clk_prepare_enable(dev->clk_ahb);
3409 if (ret)
3410 goto err_clk_ahb;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3411
Philipp Zabel8f452842014-07-11 06:36:35 -0300[diff] [blame]3412 if (dev->rstc)
3413 reset_control_reset(dev->rstc);
3414
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3415 /*
3416 * Copy the first CODA_ISRAM_SIZE in the internal SRAM.
Philipp Zabel87048bb2012-07-02 07:03:43 -0300[diff] [blame]3417 * The 16-bit chars in the code buffer are in memory access
3418 * order, re-sort them to CODA order for register download.
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3419 * Data in this SRAM survives a reboot.
3420 */
Philipp Zabel87048bb2012-07-02 07:03:43 -0300[diff] [blame]3421 p = (u16 *)dev->codebuf.vaddr;
3422 if (dev->devtype->product == CODA_DX6) {
3423 for (i = 0; i < (CODA_ISRAM_SIZE / 2); i++) {
3424 data = CODA_DOWN_ADDRESS_SET(i) |
3425 CODA_DOWN_DATA_SET(p[i ^ 1]);
3426 coda_write(dev, data, CODA_REG_BIT_CODE_DOWN);
3427 }
3428 } else {
3429 for (i = 0; i < (CODA_ISRAM_SIZE / 2); i++) {
3430 data = CODA_DOWN_ADDRESS_SET(i) |
3431 CODA_DOWN_DATA_SET(p[round_down(i, 4) +
3432 3 - (i % 4)]);
3433 coda_write(dev, data, CODA_REG_BIT_CODE_DOWN);
3434 }
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3435 }
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3436
Philipp Zabel9acf7692013-05-23 10:42:56 -0300[diff] [blame]3437 /* Clear registers */
3438 for (i = 0; i < 64; i++)
3439 coda_write(dev, 0, CODA_REG_BIT_CODE_BUF_ADDR + i * 4);
3440
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3441 /* Tell the BIT where to find everything it needs */
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]3442 if (dev->devtype->product == CODA_960 ||
3443 dev->devtype->product == CODA_7541) {
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]3444 coda_write(dev, dev->tempbuf.paddr,
3445 CODA_REG_BIT_TEMP_BUF_ADDR);
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]3446 coda_write(dev, 0, CODA_REG_BIT_BIT_STREAM_PARAM);
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]3447 } else {
3448 coda_write(dev, dev->workbuf.paddr,
3449 CODA_REG_BIT_WORK_BUF_ADDR);
3450 }
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3451 coda_write(dev, dev->codebuf.paddr,
3452 CODA_REG_BIT_CODE_BUF_ADDR);
3453 coda_write(dev, 0, CODA_REG_BIT_CODE_RUN);
3454
3455 /* Set default values */
3456 switch (dev->devtype->product) {
3457 case CODA_DX6:
3458 coda_write(dev, CODADX6_STREAM_BUF_PIC_FLUSH, CODA_REG_BIT_STREAM_CTRL);
3459 break;
3460 default:
3461 coda_write(dev, CODA7_STREAM_BUF_PIC_FLUSH, CODA_REG_BIT_STREAM_CTRL);
3462 }
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]3463 if (dev->devtype->product == CODA_960)
3464 coda_write(dev, 1 << 12, CODA_REG_BIT_FRAME_MEM_CTRL);
3465 else
3466 coda_write(dev, 0, CODA_REG_BIT_FRAME_MEM_CTRL);
Philipp Zabel10436672012-07-02 09:03:55 -0300[diff] [blame]3467
3468 if (dev->devtype->product != CODA_DX6)
3469 coda_write(dev, 0, CODA7_REG_BIT_AXI_SRAM_USE);
3470
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3471 coda_write(dev, CODA_INT_INTERRUPT_ENABLE,
3472 CODA_REG_BIT_INT_ENABLE);
3473
3474 /* Reset VPU and start processor */
3475 data = coda_read(dev, CODA_REG_BIT_CODE_RESET);
3476 data |= CODA_REG_RESET_ENABLE;
3477 coda_write(dev, data, CODA_REG_BIT_CODE_RESET);
3478 udelay(10);
3479 data &= ~CODA_REG_RESET_ENABLE;
3480 coda_write(dev, data, CODA_REG_BIT_CODE_RESET);
3481 coda_write(dev, CODA_REG_RUN_ENABLE, CODA_REG_BIT_CODE_RUN);
3482
Philipp Zabelfe7554e2014-07-11 06:36:24 -0300[diff] [blame]3483 clk_disable_unprepare(dev->clk_ahb);
3484 clk_disable_unprepare(dev->clk_per);
3485
3486 return 0;
3487
3488err_clk_ahb:
3489 clk_disable_unprepare(dev->clk_per);
3490err_clk_per:
3491 return ret;
3492}
3493
3494static int coda_check_firmware(struct coda_dev *dev)
3495{
3496 u16 product, major, minor, release;
3497 u32 data;
3498 int ret;
3499
3500 ret = clk_prepare_enable(dev->clk_per);
3501 if (ret)
3502 goto err_clk_per;
3503
3504 ret = clk_prepare_enable(dev->clk_ahb);
3505 if (ret)
3506 goto err_clk_ahb;
3507
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3508 coda_write(dev, 0, CODA_CMD_FIRMWARE_VERNUM);
3509 coda_write(dev, CODA_REG_BIT_BUSY_FLAG, CODA_REG_BIT_BUSY);
3510 coda_write(dev, 0, CODA_REG_BIT_RUN_INDEX);
3511 coda_write(dev, 0, CODA_REG_BIT_RUN_COD_STD);
3512 coda_write(dev, CODA_COMMAND_FIRMWARE_GET, CODA_REG_BIT_RUN_COMMAND);
3513 if (coda_wait_timeout(dev)) {
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3514 v4l2_err(&dev->v4l2_dev, "firmware get command error\n");
Philipp Zabelfe7554e2014-07-11 06:36:24 -0300[diff] [blame]3515 ret = -EIO;
3516 goto err_run_cmd;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3517 }
3518
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]3519 if (dev->devtype->product == CODA_960) {
3520 data = coda_read(dev, CODA9_CMD_FIRMWARE_CODE_REV);
3521 v4l2_info(&dev->v4l2_dev, "Firmware code revision: %d\n",
3522 data);
3523 }
3524
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3525 /* Check we are compatible with the loaded firmware */
3526 data = coda_read(dev, CODA_CMD_FIRMWARE_VERNUM);
3527 product = CODA_FIRMWARE_PRODUCT(data);
3528 major = CODA_FIRMWARE_MAJOR(data);
3529 minor = CODA_FIRMWARE_MINOR(data);
3530 release = CODA_FIRMWARE_RELEASE(data);
3531
3532 clk_disable_unprepare(dev->clk_per);
3533 clk_disable_unprepare(dev->clk_ahb);
3534
3535 if (product != dev->devtype->product) {
3536 v4l2_err(&dev->v4l2_dev, "Wrong firmware. Hw: %s, Fw: %s,"
3537 " Version: %u.%u.%u\n",
3538 coda_product_name(dev->devtype->product),
3539 coda_product_name(product), major, minor, release);
3540 return -EINVAL;
3541 }
3542
3543 v4l2_info(&dev->v4l2_dev, "Initialized %s.\n",
3544 coda_product_name(product));
3545
3546 if (coda_firmware_supported(data)) {
3547 v4l2_info(&dev->v4l2_dev, "Firmware version: %u.%u.%u\n",
3548 major, minor, release);
3549 } else {
3550 v4l2_warn(&dev->v4l2_dev, "Unsupported firmware version: "
3551 "%u.%u.%u\n", major, minor, release);
3552 }
3553
3554 return 0;
Fabio Estevam79830db2013-08-21 11:14:17 -0300[diff] [blame]3555
Philipp Zabelfe7554e2014-07-11 06:36:24 -0300[diff] [blame]3556err_run_cmd:
3557 clk_disable_unprepare(dev->clk_ahb);
Fabio Estevam79830db2013-08-21 11:14:17 -0300[diff] [blame]3558err_clk_ahb:
3559 clk_disable_unprepare(dev->clk_per);
Philipp Zabel1e172732014-07-11 06:36:23 -0300[diff] [blame]3560err_clk_per:
Fabio Estevam79830db2013-08-21 11:14:17 -0300[diff] [blame]3561 return ret;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3562}
3563
3564static void coda_fw_callback(const struct firmware *fw, void *context)
3565{
3566 struct coda_dev *dev = context;
3567 struct platform_device *pdev = dev->plat_dev;
3568 int ret;
3569
3570 if (!fw) {
3571 v4l2_err(&dev->v4l2_dev, "firmware request failed\n");
3572 return;
3573 }
3574
3575 /* allocate auxiliary per-device code buffer for the BIT processor */
Philipp Zabelf61c0b12014-07-11 06:36:40 -0300[diff] [blame]3576 ret = coda_alloc_aux_buf(dev, &dev->codebuf, fw->size, "codebuf",
3577 dev->debugfs_root);
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]3578 if (ret < 0) {
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3579 dev_err(&pdev->dev, "failed to allocate code buffer\n");
3580 return;
3581 }
3582
Philipp Zabel87048bb2012-07-02 07:03:43 -0300[diff] [blame]3583 /* Copy the whole firmware image to the code buffer */
3584 memcpy(dev->codebuf.vaddr, fw->data, fw->size);
3585 release_firmware(fw);
3586
Philipp Zabel1e172732014-07-11 06:36:23 -0300[diff] [blame]3587 if (pm_runtime_enabled(&pdev->dev) && pdev->dev.pm_domain) {
3588 /*
3589 * Enabling power temporarily will cause coda_hw_init to be
3590 * called via coda_runtime_resume by the pm domain.
3591 */
3592 ret = pm_runtime_get_sync(&dev->plat_dev->dev);
3593 if (ret < 0) {
3594 v4l2_err(&dev->v4l2_dev, "failed to power on: %d\n",
3595 ret);
3596 return;
3597 }
3598
Philipp Zabelfe7554e2014-07-11 06:36:24 -0300[diff] [blame]3599 ret = coda_check_firmware(dev);
3600 if (ret < 0)
3601 return;
3602
Philipp Zabel1e172732014-07-11 06:36:23 -0300[diff] [blame]3603 pm_runtime_put_sync(&dev->plat_dev->dev);
3604 } else {
3605 /*
3606 * If runtime pm is disabled or pm_domain is not set,
3607 * initialize once manually.
3608 */
3609 ret = coda_hw_init(dev);
3610 if (ret < 0) {
3611 v4l2_err(&dev->v4l2_dev, "HW initialization failed\n");
3612 return;
3613 }
Philipp Zabelfe7554e2014-07-11 06:36:24 -0300[diff] [blame]3614
3615 ret = coda_check_firmware(dev);
3616 if (ret < 0)
3617 return;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3618 }
3619
3620 dev->vfd.fops = &coda_fops,
3621 dev->vfd.ioctl_ops = &coda_ioctl_ops;
3622 dev->vfd.release = video_device_release_empty,
3623 dev->vfd.lock = &dev->dev_mutex;
3624 dev->vfd.v4l2_dev = &dev->v4l2_dev;
Hans Verkuil954f3402012-09-05 06:05:50 -0300[diff] [blame]3625 dev->vfd.vfl_dir = VFL_DIR_M2M;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3626 snprintf(dev->vfd.name, sizeof(dev->vfd.name), "%s", CODA_NAME);
3627 video_set_drvdata(&dev->vfd, dev);
3628
3629 dev->alloc_ctx = vb2_dma_contig_init_ctx(&pdev->dev);
3630 if (IS_ERR(dev->alloc_ctx)) {
3631 v4l2_err(&dev->v4l2_dev, "Failed to alloc vb2 context\n");
3632 return;
3633 }
3634
3635 dev->m2m_dev = v4l2_m2m_init(&coda_m2m_ops);
3636 if (IS_ERR(dev->m2m_dev)) {
3637 v4l2_err(&dev->v4l2_dev, "Failed to init mem2mem device\n");
3638 goto rel_ctx;
3639 }
3640
3641 ret = video_register_device(&dev->vfd, VFL_TYPE_GRABBER, 0);
3642 if (ret) {
3643 v4l2_err(&dev->v4l2_dev, "Failed to register video device\n");
3644 goto rel_m2m;
3645 }
3646 v4l2_info(&dev->v4l2_dev, "codec registered as /dev/video%d\n",
3647 dev->vfd.num);
3648
3649 return;
3650
3651rel_m2m:
3652 v4l2_m2m_release(dev->m2m_dev);
3653rel_ctx:
3654 vb2_dma_contig_cleanup_ctx(dev->alloc_ctx);
3655}
3656
3657static int coda_firmware_request(struct coda_dev *dev)
3658{
3659 char *fw = dev->devtype->firmware;
3660
3661 dev_dbg(&dev->plat_dev->dev, "requesting firmware '%s' for %s\n", fw,
3662 coda_product_name(dev->devtype->product));
3663
3664 return request_firmware_nowait(THIS_MODULE, true,
3665 fw, &dev->plat_dev->dev, GFP_KERNEL, dev, coda_fw_callback);
3666}
3667
3668enum coda_platform {
3669 CODA_IMX27,
Philipp Zabeldf1e74c2012-07-02 06:07:10 -0300[diff] [blame]3670 CODA_IMX53,
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]3671 CODA_IMX6Q,
3672 CODA_IMX6DL,
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3673};
3674
Emil Goodec06d8752012-08-14 17:44:42 -0300[diff] [blame]3675static const struct coda_devtype coda_devdata[] = {
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3676 [CODA_IMX27] = {
Philipp Zabele5b0d1c2014-07-11 06:36:41 -0300[diff] [blame^]3677 .firmware = "v4l-codadx6-imx27.bin",
3678 .product = CODA_DX6,
3679 .codecs = codadx6_codecs,
3680 .num_codecs = ARRAY_SIZE(codadx6_codecs),
3681 .workbuf_size = 288 * 1024 + FMO_SLICE_SAVE_BUF_SIZE * 8 * 1024,
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3682 },
Philipp Zabeldf1e74c2012-07-02 06:07:10 -0300[diff] [blame]3683 [CODA_IMX53] = {
Philipp Zabele5b0d1c2014-07-11 06:36:41 -0300[diff] [blame^]3684 .firmware = "v4l-coda7541-imx53.bin",
3685 .product = CODA_7541,
3686 .codecs = coda7_codecs,
3687 .num_codecs = ARRAY_SIZE(coda7_codecs),
3688 .workbuf_size = 128 * 1024,
Philipp Zabeldf1e74c2012-07-02 06:07:10 -0300[diff] [blame]3689 },
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]3690 [CODA_IMX6Q] = {
Philipp Zabele5b0d1c2014-07-11 06:36:41 -0300[diff] [blame^]3691 .firmware = "v4l-coda960-imx6q.bin",
3692 .product = CODA_960,
3693 .codecs = coda9_codecs,
3694 .num_codecs = ARRAY_SIZE(coda9_codecs),
3695 .workbuf_size = 80 * 1024,
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]3696 },
3697 [CODA_IMX6DL] = {
Philipp Zabele5b0d1c2014-07-11 06:36:41 -0300[diff] [blame^]3698 .firmware = "v4l-coda960-imx6dl.bin",
3699 .product = CODA_960,
3700 .codecs = coda9_codecs,
3701 .num_codecs = ARRAY_SIZE(coda9_codecs),
3702 .workbuf_size = 80 * 1024,
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]3703 },
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3704};
3705
3706static struct platform_device_id coda_platform_ids[] = {
3707 { .name = "coda-imx27", .driver_data = CODA_IMX27 },
Fabio Estevam4e44cd02012-10-10 00:07:38 -0300[diff] [blame]3708 { .name = "coda-imx53", .driver_data = CODA_IMX53 },
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3709 { /* sentinel */ }
3710};
3711MODULE_DEVICE_TABLE(platform, coda_platform_ids);
3712
3713#ifdef CONFIG_OF
3714static const struct of_device_id coda_dt_ids[] = {
Alexander Shiyan7b0dd9e2013-06-15 08:09:57 -0300[diff] [blame]3715 { .compatible = "fsl,imx27-vpu", .data = &coda_devdata[CODA_IMX27] },
Philipp Zabeldf1e74c2012-07-02 06:07:10 -0300[diff] [blame]3716 { .compatible = "fsl,imx53-vpu", .data = &coda_devdata[CODA_IMX53] },
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]3717 { .compatible = "fsl,imx6q-vpu", .data = &coda_devdata[CODA_IMX6Q] },
3718 { .compatible = "fsl,imx6dl-vpu", .data = &coda_devdata[CODA_IMX6DL] },
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3719 { /* sentinel */ }
3720};
3721MODULE_DEVICE_TABLE(of, coda_dt_ids);
3722#endif
3723
Greg Kroah-Hartman4c62e972012-12-21 13:17:53 -0800[diff] [blame]3724static int coda_probe(struct platform_device *pdev)
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3725{
3726 const struct of_device_id *of_id =
3727 of_match_device(of_match_ptr(coda_dt_ids), &pdev->dev);
3728 const struct platform_device_id *pdev_id;
Philipp Zabel657eee72013-04-29 16:17:14 -0700[diff] [blame]3729 struct coda_platform_data *pdata = pdev->dev.platform_data;
3730 struct device_node *np = pdev->dev.of_node;
3731 struct gen_pool *pool;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3732 struct coda_dev *dev;
3733 struct resource *res;
3734 int ret, irq;
3735
3736 dev = devm_kzalloc(&pdev->dev, sizeof *dev, GFP_KERNEL);
3737 if (!dev) {
3738 dev_err(&pdev->dev, "Not enough memory for %s\n",
3739 CODA_NAME);
3740 return -ENOMEM;
3741 }
3742
3743 spin_lock_init(&dev->irqlock);
Philipp Zabele11f3e62012-07-25 09:16:58 -0300[diff] [blame]3744 INIT_LIST_HEAD(&dev->instances);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3745
3746 dev->plat_dev = pdev;
3747 dev->clk_per = devm_clk_get(&pdev->dev, "per");
3748 if (IS_ERR(dev->clk_per)) {
3749 dev_err(&pdev->dev, "Could not get per clock\n");
3750 return PTR_ERR(dev->clk_per);
3751 }
3752
3753 dev->clk_ahb = devm_clk_get(&pdev->dev, "ahb");
3754 if (IS_ERR(dev->clk_ahb)) {
3755 dev_err(&pdev->dev, "Could not get ahb clock\n");
3756 return PTR_ERR(dev->clk_ahb);
3757 }
3758
3759 /* Get memory for physical registers */
3760 res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
Philipp Zabel611cbbf2013-05-21 04:19:27 -0300[diff] [blame]3761 dev->regs_base = devm_ioremap_resource(&pdev->dev, res);
3762 if (IS_ERR(dev->regs_base))
3763 return PTR_ERR(dev->regs_base);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3764
3765 /* IRQ */
3766 irq = platform_get_irq(pdev, 0);
3767 if (irq < 0) {
3768 dev_err(&pdev->dev, "failed to get irq resource\n");
3769 return -ENOENT;
3770 }
3771
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]3772 if (devm_request_threaded_irq(&pdev->dev, irq, NULL, coda_irq_handler,
Alexander Shiyan08a72e42014-04-26 06:14:46 -0300[diff] [blame]3773 IRQF_ONESHOT, dev_name(&pdev->dev), dev) < 0) {
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3774 dev_err(&pdev->dev, "failed to request irq\n");
3775 return -ENOENT;
3776 }
3777
Philipp Zabel8f452842014-07-11 06:36:35 -0300[diff] [blame]3778 dev->rstc = devm_reset_control_get(&pdev->dev, NULL);
3779 if (IS_ERR(dev->rstc)) {
3780 ret = PTR_ERR(dev->rstc);
3781 if (ret == -ENOENT) {
3782 dev->rstc = NULL;
3783 } else {
3784 dev_err(&pdev->dev, "failed get reset control: %d\n", ret);
3785 return ret;
3786 }
3787 }
3788
Philipp Zabel657eee72013-04-29 16:17:14 -0700[diff] [blame]3789 /* Get IRAM pool from device tree or platform data */
3790 pool = of_get_named_gen_pool(np, "iram", 0);
3791 if (!pool && pdata)
3792 pool = dev_get_gen_pool(pdata->iram_dev);
3793 if (!pool) {
3794 dev_err(&pdev->dev, "iram pool not available\n");
3795 return -ENOMEM;
3796 }
3797 dev->iram_pool = pool;
3798
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3799 ret = v4l2_device_register(&pdev->dev, &dev->v4l2_dev);
3800 if (ret)
3801 return ret;
3802
3803 mutex_init(&dev->dev_mutex);
Philipp Zabelfcb62822013-05-23 10:43:00 -0300[diff] [blame]3804 mutex_init(&dev->coda_mutex);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3805
3806 pdev_id = of_id ? of_id->data : platform_get_device_id(pdev);
3807
3808 if (of_id) {
3809 dev->devtype = of_id->data;
3810 } else if (pdev_id) {
3811 dev->devtype = &coda_devdata[pdev_id->driver_data];
3812 } else {
3813 v4l2_device_unregister(&dev->v4l2_dev);
3814 return -EINVAL;
3815 }
3816
Philipp Zabelf61c0b12014-07-11 06:36:40 -0300[diff] [blame]3817 dev->debugfs_root = debugfs_create_dir("coda", NULL);
3818 if (!dev->debugfs_root)
3819 dev_warn(&pdev->dev, "failed to create debugfs root\n");
3820
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3821 /* allocate auxiliary per-device buffers for the BIT processor */
3822 switch (dev->devtype->product) {
3823 case CODA_DX6:
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]3824 ret = coda_alloc_aux_buf(dev, &dev->workbuf,
Philipp Zabele5b0d1c2014-07-11 06:36:41 -0300[diff] [blame^]3825 dev->devtype->workbuf_size, "workbuf",
Philipp Zabelf61c0b12014-07-11 06:36:40 -0300[diff] [blame]3826 dev->debugfs_root);
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]3827 if (ret < 0) {
3828 dev_err(&pdev->dev, "failed to allocate work buffer\n");
3829 v4l2_device_unregister(&dev->v4l2_dev);
3830 return ret;
3831 }
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3832 break;
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]3833 case CODA_7541:
3834 dev->tempbuf.size = CODA7_TEMP_BUF_SIZE;
3835 break;
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]3836 case CODA_960:
3837 dev->tempbuf.size = CODA9_TEMP_BUF_SIZE;
3838 break;
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3839 }
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]3840 if (dev->tempbuf.size) {
3841 ret = coda_alloc_aux_buf(dev, &dev->tempbuf,
Philipp Zabelf61c0b12014-07-11 06:36:40 -0300[diff] [blame]3842 dev->tempbuf.size, "tempbuf",
3843 dev->debugfs_root);
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]3844 if (ret < 0) {
3845 dev_err(&pdev->dev, "failed to allocate temp buffer\n");
3846 v4l2_device_unregister(&dev->v4l2_dev);
3847 return ret;
3848 }
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3849 }
3850
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]3851 switch (dev->devtype->product) {
3852 case CODA_DX6:
Philipp Zabelb313bcc2014-07-11 06:36:16 -0300[diff] [blame]3853 dev->iram.size = CODADX6_IRAM_SIZE;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]3854 break;
3855 case CODA_7541:
Philipp Zabelb313bcc2014-07-11 06:36:16 -0300[diff] [blame]3856 dev->iram.size = CODA7_IRAM_SIZE;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]3857 break;
Philipp Zabel89548442014-07-11 06:36:17 -0300[diff] [blame]3858 case CODA_960:
3859 dev->iram.size = CODA9_IRAM_SIZE;
Philipp Zabel918c66f2013-06-27 06:59:01 -0300[diff] [blame]3860 }
Philipp Zabelb313bcc2014-07-11 06:36:16 -0300[diff] [blame]3861 dev->iram.vaddr = gen_pool_dma_alloc(dev->iram_pool, dev->iram.size,
3862 &dev->iram.paddr);
3863 if (!dev->iram.vaddr) {
Philipp Zabel657eee72013-04-29 16:17:14 -0700[diff] [blame]3864 dev_err(&pdev->dev, "unable to alloc iram\n");
3865 return -ENOMEM;
Philipp Zabel10436672012-07-02 09:03:55 -0300[diff] [blame]3866 }
3867
Philipp Zabelf61c0b12014-07-11 06:36:40 -0300[diff] [blame]3868 dev->iram.blob.data = dev->iram.vaddr;
3869 dev->iram.blob.size = dev->iram.size;
3870 dev->iram.dentry = debugfs_create_blob("iram", 0644, dev->debugfs_root,
3871 &dev->iram.blob);
3872
Philipp Zabel32b6f202014-07-11 06:36:20 -0300[diff] [blame]3873 dev->workqueue = alloc_workqueue("coda", WQ_UNBOUND | WQ_MEM_RECLAIM, 1);
3874 if (!dev->workqueue) {
3875 dev_err(&pdev->dev, "unable to alloc workqueue\n");
3876 return -ENOMEM;
3877 }
3878
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3879 platform_set_drvdata(pdev, dev);
3880
Philipp Zabel1e172732014-07-11 06:36:23 -0300[diff] [blame]3881 pm_runtime_enable(&pdev->dev);
3882
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3883 return coda_firmware_request(dev);
3884}
3885
3886static int coda_remove(struct platform_device *pdev)
3887{
3888 struct coda_dev *dev = platform_get_drvdata(pdev);
3889
3890 video_unregister_device(&dev->vfd);
3891 if (dev->m2m_dev)
3892 v4l2_m2m_release(dev->m2m_dev);
Philipp Zabel1e172732014-07-11 06:36:23 -0300[diff] [blame]3893 pm_runtime_disable(&pdev->dev);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3894 if (dev->alloc_ctx)
3895 vb2_dma_contig_cleanup_ctx(dev->alloc_ctx);
3896 v4l2_device_unregister(&dev->v4l2_dev);
Philipp Zabel32b6f202014-07-11 06:36:20 -0300[diff] [blame]3897 destroy_workqueue(dev->workqueue);
Philipp Zabelb313bcc2014-07-11 06:36:16 -0300[diff] [blame]3898 if (dev->iram.vaddr)
3899 gen_pool_free(dev->iram_pool, (unsigned long)dev->iram.vaddr,
3900 dev->iram.size);
Philipp Zabel5677e3b2013-06-21 03:55:30 -0300[diff] [blame]3901 coda_free_aux_buf(dev, &dev->codebuf);
3902 coda_free_aux_buf(dev, &dev->tempbuf);
3903 coda_free_aux_buf(dev, &dev->workbuf);
Philipp Zabelf61c0b12014-07-11 06:36:40 -0300[diff] [blame]3904 debugfs_remove_recursive(dev->debugfs_root);
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3905 return 0;
3906}
3907
Philipp Zabel1e172732014-07-11 06:36:23 -0300[diff] [blame]3908#ifdef CONFIG_PM_RUNTIME
3909static int coda_runtime_resume(struct device *dev)
3910{
3911 struct coda_dev *cdev = dev_get_drvdata(dev);
3912 int ret = 0;
3913
3914 if (dev->pm_domain) {
3915 ret = coda_hw_init(cdev);
3916 if (ret)
3917 v4l2_err(&cdev->v4l2_dev, "HW initialization failed\n");
3918 }
3919
3920 return ret;
3921}
3922#endif
3923
3924static const struct dev_pm_ops coda_pm_ops = {
3925 SET_RUNTIME_PM_OPS(NULL, coda_runtime_resume, NULL)
3926};
3927
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3928static struct platform_driver coda_driver = {
3929 .probe = coda_probe,
Greg Kroah-Hartman4c62e972012-12-21 13:17:53 -0800[diff] [blame]3930 .remove = coda_remove,
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3931 .driver = {
3932 .name = CODA_NAME,
3933 .owner = THIS_MODULE,
3934 .of_match_table = of_match_ptr(coda_dt_ids),
Philipp Zabel1e172732014-07-11 06:36:23 -0300[diff] [blame]3935 .pm = &coda_pm_ops,
Javier Martin186b2502012-07-26 05:53:35 -0300[diff] [blame]3936 },
3937 .id_table = coda_platform_ids,
3938};
3939
3940module_platform_driver(coda_driver);
3941
3942MODULE_LICENSE("GPL");
3943MODULE_AUTHOR("Javier Martin <javier.martin@vista-silicon.com>");
3944MODULE_DESCRIPTION("Coda multi-standard codec V4L2 driver");