164441979SMauro Carvalho Chehab /* SPDX-License-Identifier: GPL-2.0-or-later */
264441979SMauro Carvalho Chehab /*
364441979SMauro Carvalho Chehab * Coda multi-standard codec IP
464441979SMauro Carvalho Chehab *
564441979SMauro Carvalho Chehab * Copyright (C) 2012 Vista Silicon S.L.
664441979SMauro Carvalho Chehab * Javier Martin, <javier.martin@vista-silicon.com>
764441979SMauro Carvalho Chehab * Xavier Duret
864441979SMauro Carvalho Chehab * Copyright (C) 2012-2014 Philipp Zabel, Pengutronix
964441979SMauro Carvalho Chehab */
1064441979SMauro Carvalho Chehab
1164441979SMauro Carvalho Chehab #ifndef __CODA_H__
1264441979SMauro Carvalho Chehab #define __CODA_H__
1364441979SMauro Carvalho Chehab
1464441979SMauro Carvalho Chehab #include <linux/debugfs.h>
1564441979SMauro Carvalho Chehab #include <linux/idr.h>
1664441979SMauro Carvalho Chehab #include <linux/irqreturn.h>
1764441979SMauro Carvalho Chehab #include <linux/mutex.h>
1864441979SMauro Carvalho Chehab #include <linux/kfifo.h>
1964441979SMauro Carvalho Chehab #include <linux/videodev2.h>
2064441979SMauro Carvalho Chehab #include <linux/ratelimit.h>
2164441979SMauro Carvalho Chehab
2264441979SMauro Carvalho Chehab #include <media/v4l2-ctrls.h>
2364441979SMauro Carvalho Chehab #include <media/v4l2-device.h>
2464441979SMauro Carvalho Chehab #include <media/v4l2-fh.h>
2564441979SMauro Carvalho Chehab #include <media/videobuf2-v4l2.h>
2664441979SMauro Carvalho Chehab
2764441979SMauro Carvalho Chehab #include "coda_regs.h"
2864441979SMauro Carvalho Chehab
2964441979SMauro Carvalho Chehab #define CODA_MAX_FRAMEBUFFERS 19
3064441979SMauro Carvalho Chehab #define FMO_SLICE_SAVE_BUF_SIZE (32)
3164441979SMauro Carvalho Chehab
3264441979SMauro Carvalho Chehab /*
3364441979SMauro Carvalho Chehab * This control allows applications to read the per-stream
3464441979SMauro Carvalho Chehab * (i.e. per-context) Macroblocks Error Count. This value
3564441979SMauro Carvalho Chehab * is CODA specific.
3664441979SMauro Carvalho Chehab */
3764441979SMauro Carvalho Chehab #define V4L2_CID_CODA_MB_ERR_CNT (V4L2_CID_USER_CODA_BASE + 0)
3864441979SMauro Carvalho Chehab
3964441979SMauro Carvalho Chehab enum {
4064441979SMauro Carvalho Chehab V4L2_M2M_SRC = 0,
4164441979SMauro Carvalho Chehab V4L2_M2M_DST = 1,
4264441979SMauro Carvalho Chehab };
4364441979SMauro Carvalho Chehab
4464441979SMauro Carvalho Chehab enum coda_inst_type {
4564441979SMauro Carvalho Chehab CODA_INST_ENCODER,
4664441979SMauro Carvalho Chehab CODA_INST_DECODER,
4764441979SMauro Carvalho Chehab };
4864441979SMauro Carvalho Chehab
4964441979SMauro Carvalho Chehab enum coda_product {
5064441979SMauro Carvalho Chehab CODA_DX6 = 0xf001,
5164441979SMauro Carvalho Chehab CODA_HX4 = 0xf00a,
5264441979SMauro Carvalho Chehab CODA_7541 = 0xf012,
5364441979SMauro Carvalho Chehab CODA_960 = 0xf020,
5464441979SMauro Carvalho Chehab };
5564441979SMauro Carvalho Chehab
5664441979SMauro Carvalho Chehab struct coda_video_device;
5764441979SMauro Carvalho Chehab
5864441979SMauro Carvalho Chehab struct coda_devtype {
5964441979SMauro Carvalho Chehab char *firmware[3];
6064441979SMauro Carvalho Chehab enum coda_product product;
6164441979SMauro Carvalho Chehab const struct coda_codec *codecs;
6264441979SMauro Carvalho Chehab unsigned int num_codecs;
6364441979SMauro Carvalho Chehab const struct coda_video_device **vdevs;
6464441979SMauro Carvalho Chehab unsigned int num_vdevs;
6564441979SMauro Carvalho Chehab size_t workbuf_size;
6664441979SMauro Carvalho Chehab size_t tempbuf_size;
6764441979SMauro Carvalho Chehab size_t iram_size;
6864441979SMauro Carvalho Chehab };
6964441979SMauro Carvalho Chehab
7064441979SMauro Carvalho Chehab struct coda_aux_buf {
7164441979SMauro Carvalho Chehab void *vaddr;
7264441979SMauro Carvalho Chehab dma_addr_t paddr;
7364441979SMauro Carvalho Chehab u32 size;
7464441979SMauro Carvalho Chehab struct debugfs_blob_wrapper blob;
7564441979SMauro Carvalho Chehab struct dentry *dentry;
7664441979SMauro Carvalho Chehab };
7764441979SMauro Carvalho Chehab
7864441979SMauro Carvalho Chehab struct coda_dev {
7964441979SMauro Carvalho Chehab struct v4l2_device v4l2_dev;
8064441979SMauro Carvalho Chehab struct video_device vfd[6];
8164441979SMauro Carvalho Chehab struct device *dev;
8264441979SMauro Carvalho Chehab const struct coda_devtype *devtype;
8364441979SMauro Carvalho Chehab int firmware;
8464441979SMauro Carvalho Chehab struct vdoa_data *vdoa;
8564441979SMauro Carvalho Chehab
8664441979SMauro Carvalho Chehab void __iomem *regs_base;
8764441979SMauro Carvalho Chehab struct clk *clk_per;
8864441979SMauro Carvalho Chehab struct clk *clk_ahb;
8964441979SMauro Carvalho Chehab struct reset_control *rstc;
9064441979SMauro Carvalho Chehab
9164441979SMauro Carvalho Chehab struct coda_aux_buf codebuf;
9264441979SMauro Carvalho Chehab struct coda_aux_buf tempbuf;
9364441979SMauro Carvalho Chehab struct coda_aux_buf workbuf;
9464441979SMauro Carvalho Chehab struct gen_pool *iram_pool;
9564441979SMauro Carvalho Chehab struct coda_aux_buf iram;
9664441979SMauro Carvalho Chehab
9764441979SMauro Carvalho Chehab struct mutex dev_mutex;
9864441979SMauro Carvalho Chehab struct mutex coda_mutex;
9964441979SMauro Carvalho Chehab struct workqueue_struct *workqueue;
10064441979SMauro Carvalho Chehab struct v4l2_m2m_dev *m2m_dev;
10164441979SMauro Carvalho Chehab struct ida ida;
10264441979SMauro Carvalho Chehab struct dentry *debugfs_root;
10364441979SMauro Carvalho Chehab struct ratelimit_state mb_err_rs;
10464441979SMauro Carvalho Chehab };
10564441979SMauro Carvalho Chehab
10664441979SMauro Carvalho Chehab struct coda_codec {
10764441979SMauro Carvalho Chehab u32 mode;
10864441979SMauro Carvalho Chehab u32 src_fourcc;
10964441979SMauro Carvalho Chehab u32 dst_fourcc;
11064441979SMauro Carvalho Chehab u32 max_w;
11164441979SMauro Carvalho Chehab u32 max_h;
11264441979SMauro Carvalho Chehab };
11364441979SMauro Carvalho Chehab
11464441979SMauro Carvalho Chehab struct coda_huff_tab;
11564441979SMauro Carvalho Chehab
11664441979SMauro Carvalho Chehab struct coda_params {
11764441979SMauro Carvalho Chehab u8 rot_mode;
11864441979SMauro Carvalho Chehab u8 h264_intra_qp;
11964441979SMauro Carvalho Chehab u8 h264_inter_qp;
12064441979SMauro Carvalho Chehab u8 h264_min_qp;
12164441979SMauro Carvalho Chehab u8 h264_max_qp;
12264441979SMauro Carvalho Chehab u8 h264_disable_deblocking_filter_idc;
12364441979SMauro Carvalho Chehab s8 h264_slice_alpha_c0_offset_div2;
12464441979SMauro Carvalho Chehab s8 h264_slice_beta_offset_div2;
12564441979SMauro Carvalho Chehab bool h264_constrained_intra_pred_flag;
12664441979SMauro Carvalho Chehab s8 h264_chroma_qp_index_offset;
12764441979SMauro Carvalho Chehab u8 h264_profile_idc;
12864441979SMauro Carvalho Chehab u8 h264_level_idc;
12964441979SMauro Carvalho Chehab u8 mpeg2_profile_idc;
13064441979SMauro Carvalho Chehab u8 mpeg2_level_idc;
13164441979SMauro Carvalho Chehab u8 mpeg4_intra_qp;
13264441979SMauro Carvalho Chehab u8 mpeg4_inter_qp;
13364441979SMauro Carvalho Chehab u8 gop_size;
13464441979SMauro Carvalho Chehab int intra_refresh;
13564441979SMauro Carvalho Chehab enum v4l2_jpeg_chroma_subsampling jpeg_chroma_subsampling;
13664441979SMauro Carvalho Chehab u8 jpeg_quality;
13764441979SMauro Carvalho Chehab u8 jpeg_restart_interval;
13864441979SMauro Carvalho Chehab u8 *jpeg_qmat_tab[3];
13964441979SMauro Carvalho Chehab int jpeg_qmat_index[3];
14064441979SMauro Carvalho Chehab int jpeg_huff_dc_index[3];
14164441979SMauro Carvalho Chehab int jpeg_huff_ac_index[3];
14264441979SMauro Carvalho Chehab u32 *jpeg_huff_data;
14364441979SMauro Carvalho Chehab struct coda_huff_tab *jpeg_huff_tab;
14464441979SMauro Carvalho Chehab int codec_mode;
14564441979SMauro Carvalho Chehab int codec_mode_aux;
14664441979SMauro Carvalho Chehab enum v4l2_mpeg_video_multi_slice_mode slice_mode;
14764441979SMauro Carvalho Chehab u32 framerate;
14864441979SMauro Carvalho Chehab u16 bitrate;
14964441979SMauro Carvalho Chehab u16 vbv_delay;
15064441979SMauro Carvalho Chehab u32 vbv_size;
15164441979SMauro Carvalho Chehab u32 slice_max_bits;
15264441979SMauro Carvalho Chehab u32 slice_max_mb;
15364441979SMauro Carvalho Chehab bool force_ipicture;
15464441979SMauro Carvalho Chehab bool gop_size_changed;
15564441979SMauro Carvalho Chehab bool bitrate_changed;
15664441979SMauro Carvalho Chehab bool framerate_changed;
15764441979SMauro Carvalho Chehab bool h264_intra_qp_changed;
15864441979SMauro Carvalho Chehab bool intra_refresh_changed;
15964441979SMauro Carvalho Chehab bool slice_mode_changed;
16064441979SMauro Carvalho Chehab bool frame_rc_enable;
16164441979SMauro Carvalho Chehab bool mb_rc_enable;
16264441979SMauro Carvalho Chehab };
16364441979SMauro Carvalho Chehab
16464441979SMauro Carvalho Chehab struct coda_buffer_meta {
16564441979SMauro Carvalho Chehab struct list_head list;
16664441979SMauro Carvalho Chehab u32 sequence;
16764441979SMauro Carvalho Chehab struct v4l2_timecode timecode;
16864441979SMauro Carvalho Chehab u64 timestamp;
16964441979SMauro Carvalho Chehab unsigned int start;
17064441979SMauro Carvalho Chehab unsigned int end;
17164441979SMauro Carvalho Chehab bool last;
17264441979SMauro Carvalho Chehab };
17364441979SMauro Carvalho Chehab
17464441979SMauro Carvalho Chehab /* Per-queue, driver-specific private data */
17564441979SMauro Carvalho Chehab struct coda_q_data {
17664441979SMauro Carvalho Chehab unsigned int width;
17764441979SMauro Carvalho Chehab unsigned int height;
17864441979SMauro Carvalho Chehab unsigned int bytesperline;
17964441979SMauro Carvalho Chehab unsigned int sizeimage;
18064441979SMauro Carvalho Chehab unsigned int fourcc;
18164441979SMauro Carvalho Chehab struct v4l2_rect rect;
18264441979SMauro Carvalho Chehab };
18364441979SMauro Carvalho Chehab
18464441979SMauro Carvalho Chehab struct coda_iram_info {
18564441979SMauro Carvalho Chehab u32 axi_sram_use;
18664441979SMauro Carvalho Chehab phys_addr_t buf_bit_use;
18764441979SMauro Carvalho Chehab phys_addr_t buf_ip_ac_dc_use;
18864441979SMauro Carvalho Chehab phys_addr_t buf_dbk_y_use;
18964441979SMauro Carvalho Chehab phys_addr_t buf_dbk_c_use;
19064441979SMauro Carvalho Chehab phys_addr_t buf_ovl_use;
19164441979SMauro Carvalho Chehab phys_addr_t buf_btp_use;
19264441979SMauro Carvalho Chehab phys_addr_t search_ram_paddr;
19364441979SMauro Carvalho Chehab int search_ram_size;
19464441979SMauro Carvalho Chehab int remaining;
19564441979SMauro Carvalho Chehab phys_addr_t next_paddr;
19664441979SMauro Carvalho Chehab };
19764441979SMauro Carvalho Chehab
19864441979SMauro Carvalho Chehab #define GDI_LINEAR_FRAME_MAP 0
19964441979SMauro Carvalho Chehab #define GDI_TILED_FRAME_MB_RASTER_MAP 1
20064441979SMauro Carvalho Chehab
20164441979SMauro Carvalho Chehab struct coda_ctx;
20264441979SMauro Carvalho Chehab
20364441979SMauro Carvalho Chehab struct coda_context_ops {
20464441979SMauro Carvalho Chehab int (*queue_init)(void *priv, struct vb2_queue *src_vq,
20564441979SMauro Carvalho Chehab struct vb2_queue *dst_vq);
20664441979SMauro Carvalho Chehab int (*reqbufs)(struct coda_ctx *ctx, struct v4l2_requestbuffers *rb);
20764441979SMauro Carvalho Chehab int (*start_streaming)(struct coda_ctx *ctx);
20864441979SMauro Carvalho Chehab int (*prepare_run)(struct coda_ctx *ctx);
20964441979SMauro Carvalho Chehab void (*finish_run)(struct coda_ctx *ctx);
21064441979SMauro Carvalho Chehab void (*run_timeout)(struct coda_ctx *ctx);
21164441979SMauro Carvalho Chehab void (*seq_init_work)(struct work_struct *work);
21264441979SMauro Carvalho Chehab void (*seq_end_work)(struct work_struct *work);
21364441979SMauro Carvalho Chehab void (*release)(struct coda_ctx *ctx);
21464441979SMauro Carvalho Chehab };
21564441979SMauro Carvalho Chehab
21664441979SMauro Carvalho Chehab struct coda_internal_frame {
21764441979SMauro Carvalho Chehab struct coda_aux_buf buf;
21864441979SMauro Carvalho Chehab struct coda_buffer_meta meta;
21964441979SMauro Carvalho Chehab u32 type;
22064441979SMauro Carvalho Chehab u32 error;
22164441979SMauro Carvalho Chehab };
22264441979SMauro Carvalho Chehab
22364441979SMauro Carvalho Chehab struct coda_ctx {
22464441979SMauro Carvalho Chehab struct coda_dev *dev;
22564441979SMauro Carvalho Chehab struct mutex buffer_mutex;
22664441979SMauro Carvalho Chehab struct work_struct pic_run_work;
22764441979SMauro Carvalho Chehab struct work_struct seq_init_work;
22864441979SMauro Carvalho Chehab struct work_struct seq_end_work;
22964441979SMauro Carvalho Chehab struct completion completion;
23064441979SMauro Carvalho Chehab const struct coda_video_device *cvd;
23164441979SMauro Carvalho Chehab const struct coda_context_ops *ops;
23264441979SMauro Carvalho Chehab int aborting;
23364441979SMauro Carvalho Chehab int initialized;
23464441979SMauro Carvalho Chehab int streamon_out;
23564441979SMauro Carvalho Chehab int streamon_cap;
23664441979SMauro Carvalho Chehab u32 qsequence;
23764441979SMauro Carvalho Chehab u32 osequence;
23864441979SMauro Carvalho Chehab u32 sequence_offset;
23964441979SMauro Carvalho Chehab struct coda_q_data q_data[2];
24064441979SMauro Carvalho Chehab enum coda_inst_type inst_type;
24164441979SMauro Carvalho Chehab const struct coda_codec *codec;
24264441979SMauro Carvalho Chehab enum v4l2_colorspace colorspace;
24364441979SMauro Carvalho Chehab enum v4l2_xfer_func xfer_func;
24464441979SMauro Carvalho Chehab enum v4l2_ycbcr_encoding ycbcr_enc;
24564441979SMauro Carvalho Chehab enum v4l2_quantization quantization;
24664441979SMauro Carvalho Chehab struct coda_params params;
24764441979SMauro Carvalho Chehab struct v4l2_ctrl_handler ctrls;
24864441979SMauro Carvalho Chehab struct v4l2_ctrl *h264_profile_ctrl;
24964441979SMauro Carvalho Chehab struct v4l2_ctrl *h264_level_ctrl;
25064441979SMauro Carvalho Chehab struct v4l2_ctrl *mpeg2_profile_ctrl;
25164441979SMauro Carvalho Chehab struct v4l2_ctrl *mpeg2_level_ctrl;
25264441979SMauro Carvalho Chehab struct v4l2_ctrl *mpeg4_profile_ctrl;
25364441979SMauro Carvalho Chehab struct v4l2_ctrl *mpeg4_level_ctrl;
25464441979SMauro Carvalho Chehab struct v4l2_ctrl *mb_err_cnt_ctrl;
25564441979SMauro Carvalho Chehab struct v4l2_fh fh;
25664441979SMauro Carvalho Chehab int gopcounter;
25764441979SMauro Carvalho Chehab int runcounter;
25864441979SMauro Carvalho Chehab int jpeg_ecs_offset;
25964441979SMauro Carvalho Chehab char vpu_header[3][64];
26064441979SMauro Carvalho Chehab int vpu_header_size[3];
26164441979SMauro Carvalho Chehab struct kfifo bitstream_fifo;
26264441979SMauro Carvalho Chehab struct mutex bitstream_mutex;
26364441979SMauro Carvalho Chehab struct coda_aux_buf bitstream;
26464441979SMauro Carvalho Chehab bool hold;
26564441979SMauro Carvalho Chehab struct coda_aux_buf parabuf;
26664441979SMauro Carvalho Chehab struct coda_aux_buf psbuf;
26764441979SMauro Carvalho Chehab struct coda_aux_buf slicebuf;
26864441979SMauro Carvalho Chehab struct coda_internal_frame internal_frames[CODA_MAX_FRAMEBUFFERS];
26964441979SMauro Carvalho Chehab struct list_head buffer_meta_list;
27064441979SMauro Carvalho Chehab spinlock_t buffer_meta_lock;
27164441979SMauro Carvalho Chehab int num_metas;
27264441979SMauro Carvalho Chehab unsigned int first_frame_sequence;
27364441979SMauro Carvalho Chehab struct coda_aux_buf workbuf;
27464441979SMauro Carvalho Chehab int num_internal_frames;
27564441979SMauro Carvalho Chehab int idx;
27664441979SMauro Carvalho Chehab int reg_idx;
27764441979SMauro Carvalho Chehab struct coda_iram_info iram_info;
27864441979SMauro Carvalho Chehab int tiled_map_type;
27964441979SMauro Carvalho Chehab u32 bit_stream_param;
28064441979SMauro Carvalho Chehab u32 frm_dis_flg;
28164441979SMauro Carvalho Chehab u32 frame_mem_ctrl;
28264441979SMauro Carvalho Chehab u32 para_change;
28364441979SMauro Carvalho Chehab int display_idx;
28464441979SMauro Carvalho Chehab struct dentry *debugfs_entry;
28564441979SMauro Carvalho Chehab bool use_bit;
28664441979SMauro Carvalho Chehab bool use_vdoa;
28764441979SMauro Carvalho Chehab struct vdoa_ctx *vdoa;
28864441979SMauro Carvalho Chehab /*
28964441979SMauro Carvalho Chehab * wakeup mutex used to serialize encoder stop command and finish_run,
29064441979SMauro Carvalho Chehab * ensures that finish_run always either flags the last returned buffer
29164441979SMauro Carvalho Chehab * or wakes up the capture queue to signal EOS afterwards.
29264441979SMauro Carvalho Chehab */
29364441979SMauro Carvalho Chehab struct mutex wakeup_mutex;
29464441979SMauro Carvalho Chehab };
29564441979SMauro Carvalho Chehab
29664441979SMauro Carvalho Chehab extern int coda_debug;
29764441979SMauro Carvalho Chehab
29864441979SMauro Carvalho Chehab #define coda_dbg(level, ctx, fmt, arg...) \
29964441979SMauro Carvalho Chehab do { \
30064441979SMauro Carvalho Chehab if (coda_debug >= (level)) \
30164441979SMauro Carvalho Chehab v4l2_dbg((level), coda_debug, &(ctx)->dev->v4l2_dev, \
30264441979SMauro Carvalho Chehab "%u: " fmt, (ctx)->idx, ##arg); \
30364441979SMauro Carvalho Chehab } while (0)
30464441979SMauro Carvalho Chehab
30564441979SMauro Carvalho Chehab void coda_write(struct coda_dev *dev, u32 data, u32 reg);
30664441979SMauro Carvalho Chehab unsigned int coda_read(struct coda_dev *dev, u32 reg);
30764441979SMauro Carvalho Chehab void coda_write_base(struct coda_ctx *ctx, struct coda_q_data *q_data,
30864441979SMauro Carvalho Chehab struct vb2_v4l2_buffer *buf, unsigned int reg_y);
30964441979SMauro Carvalho Chehab
31064441979SMauro Carvalho Chehab int coda_alloc_aux_buf(struct coda_dev *dev, struct coda_aux_buf *buf,
31164441979SMauro Carvalho Chehab size_t size, const char *name, struct dentry *parent);
31264441979SMauro Carvalho Chehab void coda_free_aux_buf(struct coda_dev *dev, struct coda_aux_buf *buf);
31364441979SMauro Carvalho Chehab
31464441979SMauro Carvalho Chehab int coda_encoder_queue_init(void *priv, struct vb2_queue *src_vq,
31564441979SMauro Carvalho Chehab struct vb2_queue *dst_vq);
31664441979SMauro Carvalho Chehab int coda_decoder_queue_init(void *priv, struct vb2_queue *src_vq,
31764441979SMauro Carvalho Chehab struct vb2_queue *dst_vq);
31864441979SMauro Carvalho Chehab
31964441979SMauro Carvalho Chehab int coda_hw_reset(struct coda_ctx *ctx);
32064441979SMauro Carvalho Chehab
32164441979SMauro Carvalho Chehab void coda_fill_bitstream(struct coda_ctx *ctx, struct list_head *buffer_list);
32264441979SMauro Carvalho Chehab
32364441979SMauro Carvalho Chehab void coda_set_gdi_regs(struct coda_ctx *ctx);
32464441979SMauro Carvalho Chehab
get_q_data(struct coda_ctx * ctx,enum v4l2_buf_type type)32564441979SMauro Carvalho Chehab static inline struct coda_q_data *get_q_data(struct coda_ctx *ctx,
32664441979SMauro Carvalho Chehab enum v4l2_buf_type type)
32764441979SMauro Carvalho Chehab {
32864441979SMauro Carvalho Chehab switch (type) {
32964441979SMauro Carvalho Chehab case V4L2_BUF_TYPE_VIDEO_OUTPUT:
33064441979SMauro Carvalho Chehab return &(ctx->q_data[V4L2_M2M_SRC]);
33164441979SMauro Carvalho Chehab case V4L2_BUF_TYPE_VIDEO_CAPTURE:
33264441979SMauro Carvalho Chehab return &(ctx->q_data[V4L2_M2M_DST]);
33364441979SMauro Carvalho Chehab default:
33464441979SMauro Carvalho Chehab return NULL;
33564441979SMauro Carvalho Chehab }
33664441979SMauro Carvalho Chehab }
33764441979SMauro Carvalho Chehab
33864441979SMauro Carvalho Chehab const char *coda_product_name(int product);
33964441979SMauro Carvalho Chehab
34064441979SMauro Carvalho Chehab int coda_check_firmware(struct coda_dev *dev);
34164441979SMauro Carvalho Chehab
coda_get_bitstream_payload(struct coda_ctx * ctx)34264441979SMauro Carvalho Chehab static inline unsigned int coda_get_bitstream_payload(struct coda_ctx *ctx)
34364441979SMauro Carvalho Chehab {
34464441979SMauro Carvalho Chehab return kfifo_len(&ctx->bitstream_fifo);
34564441979SMauro Carvalho Chehab }
34664441979SMauro Carvalho Chehab
34764441979SMauro Carvalho Chehab /*
34864441979SMauro Carvalho Chehab * The bitstream prefetcher needs to read at least 2 256 byte periods past
34964441979SMauro Carvalho Chehab * the desired bitstream position for all data to reach the decoder.
35064441979SMauro Carvalho Chehab */
coda_bitstream_can_fetch_past(struct coda_ctx * ctx,unsigned int pos)35164441979SMauro Carvalho Chehab static inline bool coda_bitstream_can_fetch_past(struct coda_ctx *ctx,
35264441979SMauro Carvalho Chehab unsigned int pos)
35364441979SMauro Carvalho Chehab {
35464441979SMauro Carvalho Chehab return (int)(ctx->bitstream_fifo.kfifo.in - ALIGN(pos, 256)) > 512;
35564441979SMauro Carvalho Chehab }
35664441979SMauro Carvalho Chehab
35764441979SMauro Carvalho Chehab bool coda_bitstream_can_fetch_past(struct coda_ctx *ctx, unsigned int pos);
35864441979SMauro Carvalho Chehab int coda_bitstream_flush(struct coda_ctx *ctx);
35964441979SMauro Carvalho Chehab
36064441979SMauro Carvalho Chehab void coda_bit_stream_end_flag(struct coda_ctx *ctx);
36164441979SMauro Carvalho Chehab
36264441979SMauro Carvalho Chehab void coda_m2m_buf_done(struct coda_ctx *ctx, struct vb2_v4l2_buffer *buf,
36364441979SMauro Carvalho Chehab enum vb2_buffer_state state);
36464441979SMauro Carvalho Chehab
36564441979SMauro Carvalho Chehab int coda_h264_filler_nal(int size, char *p);
36664441979SMauro Carvalho Chehab int coda_h264_padding(int size, char *p);
36764441979SMauro Carvalho Chehab int coda_h264_profile(int profile_idc);
36864441979SMauro Carvalho Chehab int coda_h264_level(int level_idc);
36964441979SMauro Carvalho Chehab int coda_sps_parse_profile(struct coda_ctx *ctx, struct vb2_buffer *vb);
37064441979SMauro Carvalho Chehab int coda_h264_sps_fixup(struct coda_ctx *ctx, int width, int height, char *buf,
37164441979SMauro Carvalho Chehab int *size, int max_size);
37264441979SMauro Carvalho Chehab
37364441979SMauro Carvalho Chehab int coda_mpeg2_profile(int profile_idc);
37464441979SMauro Carvalho Chehab int coda_mpeg2_level(int level_idc);
37564441979SMauro Carvalho Chehab u32 coda_mpeg2_parse_headers(struct coda_ctx *ctx, u8 *buf, u32 size);
37664441979SMauro Carvalho Chehab int coda_mpeg4_profile(int profile_idc);
37764441979SMauro Carvalho Chehab int coda_mpeg4_level(int level_idc);
37864441979SMauro Carvalho Chehab u32 coda_mpeg4_parse_headers(struct coda_ctx *ctx, u8 *buf, u32 size);
37964441979SMauro Carvalho Chehab
38064441979SMauro Carvalho Chehab void coda_update_profile_level_ctrls(struct coda_ctx *ctx, u8 profile_idc,
38164441979SMauro Carvalho Chehab u8 level_idc);
38264441979SMauro Carvalho Chehab
coda_jpeg_scale(int src,int dst)383*7e32aab9SPhilipp Zabel static inline int coda_jpeg_scale(int src, int dst)
384*7e32aab9SPhilipp Zabel {
385*7e32aab9SPhilipp Zabel return (dst <= src / 8) ? 3 :
386*7e32aab9SPhilipp Zabel (dst <= src / 4) ? 2 :
387*7e32aab9SPhilipp Zabel (dst <= src / 2) ? 1 : 0;
388*7e32aab9SPhilipp Zabel }
389*7e32aab9SPhilipp Zabel
39064441979SMauro Carvalho Chehab bool coda_jpeg_check_buffer(struct coda_ctx *ctx, struct vb2_buffer *vb);
39164441979SMauro Carvalho Chehab int coda_jpeg_decode_header(struct coda_ctx *ctx, struct vb2_buffer *vb);
39264441979SMauro Carvalho Chehab int coda_jpeg_write_tables(struct coda_ctx *ctx);
39364441979SMauro Carvalho Chehab void coda_set_jpeg_compression_quality(struct coda_ctx *ctx, int quality);
39464441979SMauro Carvalho Chehab
39564441979SMauro Carvalho Chehab extern const struct coda_context_ops coda_bit_encode_ops;
39664441979SMauro Carvalho Chehab extern const struct coda_context_ops coda_bit_decode_ops;
39764441979SMauro Carvalho Chehab extern const struct coda_context_ops coda9_jpeg_encode_ops;
39864441979SMauro Carvalho Chehab extern const struct coda_context_ops coda9_jpeg_decode_ops;
39964441979SMauro Carvalho Chehab
40064441979SMauro Carvalho Chehab irqreturn_t coda_irq_handler(int irq, void *data);
40164441979SMauro Carvalho Chehab irqreturn_t coda9_jpeg_irq_handler(int irq, void *data);
40264441979SMauro Carvalho Chehab
40364441979SMauro Carvalho Chehab #endif /* __CODA_H__ */
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