/* SPDX-License-Identifier: GPL-2.0 */
/*
 * These are the VP9 state controls for use with stateless VP9
 * codec drivers.
 *
 * These headers are legacy VP9 headers and specific to Chromium only.
 * Chromium needs to support pre v4.19 headers but will be removed in the
 * future when Chromium will support only v4.19 and onward.
 */

#ifndef __LINUX_MEDIA_VP9_CTRLS_LEGACY_H_
#define __LINUX_MEDIA_VP9_CTRLS_LEGACY_H_

#define V4L2_CID_MPEG_VIDEO_VP9_FRAME_HDR		(V4L2_CID_MPEG_BASE+591)
#define V4L2_CID_MPEG_VIDEO_VP9_DECODE_PARAM		(V4L2_CID_MPEG_BASE+592)
#define V4L2_CID_MPEG_VIDEO_VP9_ENTROPY			(V4L2_CID_MPEG_BASE+593)

#define V4L2_VP9_SGMNT_PARAM_FLAG_ENABLED		0x01
#define V4L2_VP9_SGMNT_PARAM_FLAG_UPDATE_MAP		0x02
#define V4L2_VP9_SGMNT_PARAM_FLAG_TEMPORAL_UPDATE	0x04
#define V4L2_VP9_SGMNT_PARAM_FLAG_UPDATE_DATA		0x08
#define V4L2_VP9_SGMNT_PARAM_FLAG_ABS_OR_DELTA_UPDATE	0x10
struct v4l2_vp9_segmentation_params {
	__u8 tree_probs[7];
	__u8 pred_probs[3];
	__u8 feature_enabled[8][4];
	__s16 feature_data[8][4];

	__u8 flags;
};

#define V4L2_VP9_LOOP_FLTR_FLAG_DELTA_ENABLED		0x01
#define V4L2_VP9_LOOP_FLTR_FLAG_DELTA_UPDATE		0x02
struct v4l2_vp9_loop_filter_params {
	__u8 level;
	__u8 sharpness;
	__s8 deltas[4];
	__s8 mode_deltas[2];
	__u8 lvl_lookup[8][4][2];

	__u8 flags;
};

#define V4L2_VP9_QUANT_PARAMS_FLAG_LOSSLESS		0x01
struct v4l2_vp9_quantization_params {
	__u8 base_q_idx;
	__s8 delta_q_y_dc;
	__s8 delta_q_uv_dc;
	__s8 delta_q_uv_ac;

	__u8 flags;
};

#define V4L2_VP9_FRAME_HDR_FLAG_SHOW_FRAME	0x01
/* Error resilient mode enabled flag */
#define V4L2_VP9_FRAME_HDR_FLAG_ERR_RES		0x02
#define V4L2_VP9_FRAME_HDR_FLAG_FRAME_INTRA	0x04
#define V4L2_VP9_FRAME_HDR_ALLOW_HIGH_PREC_MV	0x08
#define V4L2_VP9_FRAME_HDR_REFRESH_FRAME_CTX	0x10
#define V4L2_VP9_FRAME_HDR_PARALLEL_DEC_MODE	0x20
struct v4l2_ctrl_vp9_frame_hdr {
	__u8 profile;
	/* 0: keyframe, 1: non-keyframe */
	__u8 frame_type;

	__u8 bit_depth;
	__u8 color_space;
	__u8 color_range;
	__u8 subsampling_x;
	__u8 subsampling_y;

	__u32 frame_width;
	__u32 frame_height;
	__u32 render_width;
	__u32 render_height;

	__u8 reset_frame_context;

	__u8 interpolation_filter;
	__u8 frame_context_idx;

	struct v4l2_vp9_loop_filter_params lf_params;
	struct v4l2_vp9_quantization_params quant_params;
	struct v4l2_vp9_segmentation_params sgmnt_params;

	__u8 tile_cols_log2;
	__u8 tile_rows_log2;

	__u16 header_size_in_bytes;

	__u8 flags;
};

struct v4l2_vp9_reference_frame {
	 /* v4l2_buffer index */
	__u32 buf_index;

	__u32 frame_width;
	__u32 frame_height;
	__u8 bit_depth;
	__u8 subsampling_x;
	__u8 subsampling_y;
};

struct v4l2_ctrl_vp9_decode_param {
	/* v4l2_buffer index for all reference frames (frame slots). */
	__u32 ref_frames[8];

	/* Active reference frames, [0]: last, [1]: golden, [2]: altref */
	struct v4l2_vp9_reference_frame active_ref_frames[3];
};

struct v4l2_vp9_entropy_ctx {
	__u8 tx_probs_8x8[2][1];
	__u8 tx_probs_16x16[2][2];
	__u8 tx_probs_32x32[2][3];

	__u8 coef_probs[4][2][2][6][6][3];
	__u8 skip_prob[3];
	__u8 inter_mode_probs[7][3];
	__u8 interp_filter_probs[4][2];
	__u8 is_inter_prob[4];

	__u8 comp_mode_prob[5];
	__u8 single_ref_prob[5][2];
	__u8 comp_ref_prob[5];

	__u8 y_mode_probs[4][9];
	__u8 uv_mode_probs[10][9];

	__u8 partition_probs[16][3];

	__u8 mv_joint_probs[3];
	__u8 mv_sign_prob[2];
	__u8 mv_class_probs[2][10];
	__u8 mv_class0_bit_prob[2];
	__u8 mv_bits_prob[2][10];
	__u8 mv_class0_fr_probs[2][2][3];
	__u8 mv_fr_probs[2][3];
	__u8 mv_class0_hp_prob[2];
	__u8 mv_hp_prob[2];
};

/* Entropy context state for current frame (frame_context_idx). */
struct v4l2_ctrl_vp9_entropy {
	__u8 tx_mode;
	__u8 reference_mode;

	/* Entropy context after load_probs2(). */
	struct v4l2_vp9_entropy_ctx initial_entropy_ctx;

	/*
	 * Entropy context for the current decoding state: when passed to the
	 * driver, contains the state of initial_entropy_ctx after parsing the
	 * compressed header. After decoding is done (after vb2_buffer_done() is
	 * called on the associated buffer), state as after refresh_probs().
	 */
	struct v4l2_vp9_entropy_ctx current_entropy_ctx;
};


#endif /* __LINUX_MEDIA_VP9_CTRLS_LEGACY_H_ */