/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* Coda multi-standard codec IP
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*
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* Copyright (C) 2012 Vista Silicon S.L.
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* Javier Martin, <javier.martin@vista-silicon.com>
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* Xavier Duret
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* Copyright (C) 2012-2014 Philipp Zabel, Pengutronix
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*/
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#ifndef __CODA_H__
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#define __CODA_H__
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#include <linux/debugfs.h>
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#include <linux/idr.h>
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#include <linux/irqreturn.h>
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#include <linux/mutex.h>
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#include <linux/kfifo.h>
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#include <linux/videodev2.h>
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#include <media/v4l2-ctrls.h>
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#include <media/v4l2-device.h>
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#include <media/v4l2-fh.h>
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#include <media/videobuf2-v4l2.h>
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#include "coda_regs.h"
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#define CODA_MAX_FRAMEBUFFERS 19
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#define FMO_SLICE_SAVE_BUF_SIZE (32)
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enum {
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V4L2_M2M_SRC = 0,
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V4L2_M2M_DST = 1,
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};
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enum coda_inst_type {
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CODA_INST_ENCODER,
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CODA_INST_DECODER,
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};
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enum coda_product {
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CODA_DX6 = 0xf001,
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CODA_HX4 = 0xf00a,
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CODA_7541 = 0xf012,
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CODA_960 = 0xf020,
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};
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struct coda_video_device;
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struct coda_devtype {
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char *firmware[3];
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enum coda_product product;
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const struct coda_codec *codecs;
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unsigned int num_codecs;
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const struct coda_video_device **vdevs;
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unsigned int num_vdevs;
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size_t workbuf_size;
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size_t tempbuf_size;
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size_t iram_size;
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};
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struct coda_aux_buf {
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void *vaddr;
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dma_addr_t paddr;
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u32 size;
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struct debugfs_blob_wrapper blob;
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struct dentry *dentry;
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};
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struct coda_dev {
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struct v4l2_device v4l2_dev;
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struct video_device vfd[6];
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struct device *dev;
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const struct coda_devtype *devtype;
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int firmware;
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struct vdoa_data *vdoa;
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void __iomem *regs_base;
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struct clk *clk_per;
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struct clk *clk_ahb;
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struct reset_control *rstc;
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struct coda_aux_buf codebuf;
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struct coda_aux_buf tempbuf;
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struct coda_aux_buf workbuf;
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struct gen_pool *iram_pool;
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struct coda_aux_buf iram;
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struct mutex dev_mutex;
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struct mutex coda_mutex;
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struct workqueue_struct *workqueue;
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struct v4l2_m2m_dev *m2m_dev;
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struct ida ida;
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struct dentry *debugfs_root;
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};
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struct coda_codec {
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u32 mode;
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u32 src_fourcc;
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u32 dst_fourcc;
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u32 max_w;
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u32 max_h;
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};
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struct coda_huff_tab;
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struct coda_params {
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u8 rot_mode;
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u8 h264_intra_qp;
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u8 h264_inter_qp;
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u8 h264_min_qp;
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u8 h264_max_qp;
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u8 h264_disable_deblocking_filter_idc;
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s8 h264_slice_alpha_c0_offset_div2;
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s8 h264_slice_beta_offset_div2;
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bool h264_constrained_intra_pred_flag;
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s8 h264_chroma_qp_index_offset;
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u8 h264_profile_idc;
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u8 h264_level_idc;
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u8 mpeg2_profile_idc;
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u8 mpeg2_level_idc;
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u8 mpeg4_intra_qp;
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u8 mpeg4_inter_qp;
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u8 gop_size;
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int intra_refresh;
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enum v4l2_jpeg_chroma_subsampling jpeg_chroma_subsampling;
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u8 jpeg_quality;
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u8 jpeg_restart_interval;
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u8 *jpeg_qmat_tab[3];
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int jpeg_qmat_index[3];
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int jpeg_huff_dc_index[3];
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int jpeg_huff_ac_index[3];
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u32 *jpeg_huff_data;
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struct coda_huff_tab *jpeg_huff_tab;
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int codec_mode;
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int codec_mode_aux;
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enum v4l2_mpeg_video_multi_slice_mode slice_mode;
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u32 framerate;
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u16 bitrate;
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u16 vbv_delay;
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u32 vbv_size;
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u32 slice_max_bits;
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u32 slice_max_mb;
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bool force_ipicture;
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bool gop_size_changed;
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bool bitrate_changed;
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bool framerate_changed;
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bool h264_intra_qp_changed;
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bool intra_refresh_changed;
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bool slice_mode_changed;
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bool frame_rc_enable;
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bool mb_rc_enable;
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};
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struct coda_buffer_meta {
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struct list_head list;
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u32 sequence;
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struct v4l2_timecode timecode;
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u64 timestamp;
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unsigned int start;
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unsigned int end;
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bool last;
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};
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/* Per-queue, driver-specific private data */
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struct coda_q_data {
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unsigned int width;
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unsigned int height;
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unsigned int bytesperline;
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unsigned int sizeimage;
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unsigned int fourcc;
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struct v4l2_rect rect;
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};
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struct coda_iram_info {
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u32 axi_sram_use;
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phys_addr_t buf_bit_use;
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phys_addr_t buf_ip_ac_dc_use;
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phys_addr_t buf_dbk_y_use;
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phys_addr_t buf_dbk_c_use;
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phys_addr_t buf_ovl_use;
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phys_addr_t buf_btp_use;
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phys_addr_t search_ram_paddr;
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int search_ram_size;
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int remaining;
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phys_addr_t next_paddr;
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};
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#define GDI_LINEAR_FRAME_MAP 0
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#define GDI_TILED_FRAME_MB_RASTER_MAP 1
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struct coda_ctx;
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struct coda_context_ops {
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int (*queue_init)(void *priv, struct vb2_queue *src_vq,
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struct vb2_queue *dst_vq);
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int (*reqbufs)(struct coda_ctx *ctx, struct v4l2_requestbuffers *rb);
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int (*start_streaming)(struct coda_ctx *ctx);
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int (*prepare_run)(struct coda_ctx *ctx);
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void (*finish_run)(struct coda_ctx *ctx);
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void (*run_timeout)(struct coda_ctx *ctx);
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void (*seq_init_work)(struct work_struct *work);
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void (*seq_end_work)(struct work_struct *work);
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void (*release)(struct coda_ctx *ctx);
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};
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struct coda_internal_frame {
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struct coda_aux_buf buf;
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struct coda_buffer_meta meta;
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u32 type;
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u32 error;
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};
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struct coda_ctx {
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struct coda_dev *dev;
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struct mutex buffer_mutex;
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struct work_struct pic_run_work;
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struct work_struct seq_init_work;
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struct work_struct seq_end_work;
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struct completion completion;
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const struct coda_video_device *cvd;
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const struct coda_context_ops *ops;
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int aborting;
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int initialized;
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int streamon_out;
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int streamon_cap;
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u32 qsequence;
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u32 osequence;
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u32 sequence_offset;
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struct coda_q_data q_data[2];
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enum coda_inst_type inst_type;
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const struct coda_codec *codec;
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enum v4l2_colorspace colorspace;
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enum v4l2_xfer_func xfer_func;
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enum v4l2_ycbcr_encoding ycbcr_enc;
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enum v4l2_quantization quantization;
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struct coda_params params;
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struct v4l2_ctrl_handler ctrls;
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struct v4l2_ctrl *h264_profile_ctrl;
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struct v4l2_ctrl *h264_level_ctrl;
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struct v4l2_ctrl *mpeg2_profile_ctrl;
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struct v4l2_ctrl *mpeg2_level_ctrl;
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struct v4l2_ctrl *mpeg4_profile_ctrl;
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struct v4l2_ctrl *mpeg4_level_ctrl;
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struct v4l2_fh fh;
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int gopcounter;
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int runcounter;
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int jpeg_ecs_offset;
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char vpu_header[3][64];
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int vpu_header_size[3];
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struct kfifo bitstream_fifo;
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struct mutex bitstream_mutex;
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struct coda_aux_buf bitstream;
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bool hold;
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struct coda_aux_buf parabuf;
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struct coda_aux_buf psbuf;
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struct coda_aux_buf slicebuf;
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struct coda_internal_frame internal_frames[CODA_MAX_FRAMEBUFFERS];
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struct list_head buffer_meta_list;
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spinlock_t buffer_meta_lock;
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int num_metas;
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struct coda_aux_buf workbuf;
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int num_internal_frames;
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int idx;
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int reg_idx;
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struct coda_iram_info iram_info;
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int tiled_map_type;
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u32 bit_stream_param;
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u32 frm_dis_flg;
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u32 frame_mem_ctrl;
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u32 para_change;
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int display_idx;
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struct dentry *debugfs_entry;
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bool use_bit;
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bool use_vdoa;
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struct vdoa_ctx *vdoa;
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/*
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* wakeup mutex used to serialize encoder stop command and finish_run,
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* ensures that finish_run always either flags the last returned buffer
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* or wakes up the capture queue to signal EOS afterwards.
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*/
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struct mutex wakeup_mutex;
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};
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extern int coda_debug;
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#define coda_dbg(level, ctx, fmt, arg...) \
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do { \
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if (coda_debug >= (level)) \
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v4l2_dbg((level), coda_debug, &(ctx)->dev->v4l2_dev, \
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"%u: " fmt, (ctx)->idx, ##arg); \
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} while (0)
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void coda_write(struct coda_dev *dev, u32 data, u32 reg);
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unsigned int coda_read(struct coda_dev *dev, u32 reg);
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void coda_write_base(struct coda_ctx *ctx, struct coda_q_data *q_data,
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struct vb2_v4l2_buffer *buf, unsigned int reg_y);
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int coda_alloc_aux_buf(struct coda_dev *dev, struct coda_aux_buf *buf,
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size_t size, const char *name, struct dentry *parent);
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void coda_free_aux_buf(struct coda_dev *dev, struct coda_aux_buf *buf);
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int coda_encoder_queue_init(void *priv, struct vb2_queue *src_vq,
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struct vb2_queue *dst_vq);
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int coda_decoder_queue_init(void *priv, struct vb2_queue *src_vq,
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struct vb2_queue *dst_vq);
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int coda_hw_reset(struct coda_ctx *ctx);
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void coda_fill_bitstream(struct coda_ctx *ctx, struct list_head *buffer_list);
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void coda_set_gdi_regs(struct coda_ctx *ctx);
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static inline struct coda_q_data *get_q_data(struct coda_ctx *ctx,
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enum v4l2_buf_type type)
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{
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switch (type) {
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case V4L2_BUF_TYPE_VIDEO_OUTPUT:
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return &(ctx->q_data[V4L2_M2M_SRC]);
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case V4L2_BUF_TYPE_VIDEO_CAPTURE:
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return &(ctx->q_data[V4L2_M2M_DST]);
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default:
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return NULL;
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}
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}
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const char *coda_product_name(int product);
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int coda_check_firmware(struct coda_dev *dev);
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static inline unsigned int coda_get_bitstream_payload(struct coda_ctx *ctx)
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{
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return kfifo_len(&ctx->bitstream_fifo);
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}
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/*
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* The bitstream prefetcher needs to read at least 2 256 byte periods past
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* the desired bitstream position for all data to reach the decoder.
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*/
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static inline bool coda_bitstream_can_fetch_past(struct coda_ctx *ctx,
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unsigned int pos)
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{
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return (int)(ctx->bitstream_fifo.kfifo.in - ALIGN(pos, 256)) > 512;
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}
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bool coda_bitstream_can_fetch_past(struct coda_ctx *ctx, unsigned int pos);
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int coda_bitstream_flush(struct coda_ctx *ctx);
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void coda_bit_stream_end_flag(struct coda_ctx *ctx);
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void coda_m2m_buf_done(struct coda_ctx *ctx, struct vb2_v4l2_buffer *buf,
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enum vb2_buffer_state state);
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int coda_h264_filler_nal(int size, char *p);
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int coda_h264_padding(int size, char *p);
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int coda_h264_profile(int profile_idc);
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int coda_h264_level(int level_idc);
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int coda_sps_parse_profile(struct coda_ctx *ctx, struct vb2_buffer *vb);
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int coda_h264_sps_fixup(struct coda_ctx *ctx, int width, int height, char *buf,
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int *size, int max_size);
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int coda_mpeg2_profile(int profile_idc);
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int coda_mpeg2_level(int level_idc);
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u32 coda_mpeg2_parse_headers(struct coda_ctx *ctx, u8 *buf, u32 size);
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int coda_mpeg4_profile(int profile_idc);
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int coda_mpeg4_level(int level_idc);
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u32 coda_mpeg4_parse_headers(struct coda_ctx *ctx, u8 *buf, u32 size);
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void coda_update_profile_level_ctrls(struct coda_ctx *ctx, u8 profile_idc,
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u8 level_idc);
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bool coda_jpeg_check_buffer(struct coda_ctx *ctx, struct vb2_buffer *vb);
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int coda_jpeg_decode_header(struct coda_ctx *ctx, struct vb2_buffer *vb);
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int coda_jpeg_write_tables(struct coda_ctx *ctx);
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void coda_set_jpeg_compression_quality(struct coda_ctx *ctx, int quality);
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extern const struct coda_context_ops coda_bit_encode_ops;
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extern const struct coda_context_ops coda_bit_decode_ops;
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extern const struct coda_context_ops coda9_jpeg_encode_ops;
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extern const struct coda_context_ops coda9_jpeg_decode_ops;
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irqreturn_t coda_irq_handler(int irq, void *data);
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irqreturn_t coda9_jpeg_irq_handler(int irq, void *data);
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#endif /* __CODA_H__ */
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