/*
 * Copyright © 2010 Intel Corporation
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sub license, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 *
 * The above copyright notice and this permission notice (including the
 * next paragraph) shall be included in all copies or substantial portions
 * of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
 * IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 *
 * Authors:
 *    Xiang Haihao <haihao.xiang@intel.com>
 *
 */

#ifndef __I965_POST_PROCESSING_H__
#define __I965_POST_PROCESSING_H__

#include "i965_vpp_avs.h"
#include <drm.h>
#include <i915_drm.h>
#include <intel_bufmgr.h>
#include "i965_gpe_utils.h"

#define MAX_PP_SURFACES                 48

struct i965_gpe_context;

enum {
    PP_NULL = 0,
    PP_NV12_LOAD_SAVE_N12,
    PP_NV12_LOAD_SAVE_PL3,
    PP_PL3_LOAD_SAVE_N12,
    PP_PL3_LOAD_SAVE_PL3,
    PP_NV12_SCALING,
    PP_NV12_AVS,
    PP_NV12_DNDI,
    PP_NV12_DN,
    PP_NV12_LOAD_SAVE_PA,
    PP_PL3_LOAD_SAVE_PA,
    PP_PA_LOAD_SAVE_NV12,
    PP_PA_LOAD_SAVE_PL3,
    PP_PA_LOAD_SAVE_PA,
    PP_RGBX_LOAD_SAVE_NV12,
    PP_NV12_LOAD_SAVE_RGBX,
    NUM_PP_MODULES,
};

struct i965_post_processing_context;

struct pp_load_save_context {
    int dest_x;
    int dest_y;
    int dest_w;
    int dest_h;
};

struct pp_scaling_context {
    int dest_x; /* in pixel */
    int dest_y; /* in pixel */
    int dest_w;
    int dest_h;
    float src_normalized_x;
    float src_normalized_y;
};

struct pp_avs_context {
    AVSState state;
    int dest_x; /* in pixel */
    int dest_y; /* in pixel */
    int dest_w;
    int dest_h;
    float src_normalized_x;
    float src_normalized_y;
    int src_w;
    int src_h;
    float horiz_range;
};

enum {
    DNDI_FRAME_IN_CURRENT = 0,
    DNDI_FRAME_IN_PREVIOUS,
    DNDI_FRAME_IN_STMM,
    DNDI_FRAME_OUT_STMM,
    DNDI_FRAME_OUT_CURRENT,
    DNDI_FRAME_OUT_PREVIOUS,
    DNDI_FRAME_STORE_COUNT
};

typedef struct dndi_frame_store {
    struct object_surface *obj_surface;
    VASurfaceID surface_id; /* always relative to the input surface */
    unsigned int is_scratch_surface : 1;
} DNDIFrameStore;

struct pp_dndi_context {
    int dest_w;
    int dest_h;
    DNDIFrameStore frame_store[DNDI_FRAME_STORE_COUNT];

    /* Temporary flags live until the current picture is processed */
    unsigned int is_di_enabled          : 1;
    unsigned int is_di_adv_enabled      : 1;
    unsigned int is_first_frame         : 1;
    unsigned int is_second_field        : 1;
};

struct pp_dn_context {
    int dest_w;
    int dest_h;
    dri_bo *stmm_bo;
};

struct i965_post_processing_context;

struct pp_module {
    struct i965_kernel kernel;

    /* others */
    VAStatus(*initialize)(VADriverContextP ctx, struct i965_post_processing_context *pp_context,
                          const struct i965_surface *src_surface,
                          const VARectangle *src_rect,
                          struct i965_surface *dst_surface,
                          const VARectangle *dst_rect,
                          void *filter_param);
};

struct pp_static_parameter {
    struct {
        /* Procamp r1.0 */
        float procamp_constant_c0;

        /* Load and Same r1.1 */
        unsigned int source_packed_y_offset: 8;
        unsigned int source_packed_u_offset: 8;
        unsigned int source_packed_v_offset: 8;
        unsigned int source_rgb_layout: 8;      // 1 for |R|G|B|X| layout, 0 for |B|G|R|X| layout

        union {
            /* Load and Save r1.2 */
            struct {
                unsigned int destination_packed_y_offset: 8;
                unsigned int destination_packed_u_offset: 8;
                unsigned int destination_packed_v_offset: 8;
                unsigned int pad0: 8;
            } load_and_save;

            /* CSC r1.2 */
            struct {
                unsigned int pad0: 24;
                unsigned int destination_rgb_layout: 8; // 1 for |R|G|B|X| layout, 0 for |B|G|R|X| layout
            } csc;
        } r1_2;

        /* Procamp r1.3 */
        float procamp_constant_c1;

        /* Procamp r1.4 */
        float procamp_constant_c2;

        /* DI r1.5 */
        unsigned int statistics_surface_picth: 16; /* Devided by 2 */
        unsigned int pad1: 16;

        union {
            /* DI r1.6 */
            struct {
                unsigned int pad0: 24;
                unsigned int top_field_first: 8;
            } di;

            /* AVS/Scaling r1.6 */
            float normalized_video_y_scaling_step;
        } r1_6;

        /* Procamp r1.7 */
        float procamp_constant_c5;
    } grf1;

    struct {
        /* Procamp r2.0 */
        float procamp_constant_c3;

        /* MBZ r2.1*/
        unsigned int pad0;

        /* WG+CSC r2.2 */
        float wg_csc_constant_c4;

        /* WG+CSC r2.3 */
        float wg_csc_constant_c8;

        /* Procamp r2.4 */
        float procamp_constant_c4;

        /* MBZ r2.5 */
        unsigned int pad1;

        /* MBZ r2.6 */
        unsigned int pad2;

        /* WG+CSC r2.7 */
        float wg_csc_constant_c9;
    } grf2;

    struct {
        /* WG+CSC r3.0 */
        float wg_csc_constant_c0;

        /* Blending r3.1 */
        float scaling_step_ratio;

        /* Blending r3.2 */
        float normalized_alpha_y_scaling;

        /* WG+CSC r3.3 */
        float wg_csc_constant_c4;

        /* WG+CSC r3.4 */
        float wg_csc_constant_c1;

        /* ALL r3.5 */
        int horizontal_origin_offset: 16;
        int vertical_origin_offset: 16;

        /* Shared r3.6*/
        union {
            /* Color filll */
            unsigned int color_pixel;

            /* WG+CSC */
            float wg_csc_constant_c2;
        } r3_6;

        /* WG+CSC r3.7 */
        float wg_csc_constant_c3;
    } grf3;

    struct {
        /* WG+CSC r4.0 */
        float wg_csc_constant_c6;

        /* ALL r4.1 MBZ ???*/
        unsigned int pad0;

        /* Shared r4.2 */
        union {
            /* AVS */
            struct {
                unsigned int pad1: 15;
                unsigned int nlas: 1;
                unsigned int pad2: 16;
            } avs;

            /* DI */
            struct {
                unsigned int motion_history_coefficient_m2: 8;
                unsigned int motion_history_coefficient_m1: 8;
                unsigned int pad0: 16;
            } di;
        } r4_2;

        /* WG+CSC r4.3 */
        float wg_csc_constant_c7;

        /* WG+CSC r4.4 */
        float wg_csc_constant_c10;

        /* AVS r4.5 */
        float source_video_frame_normalized_horizontal_origin;

        /* MBZ r4.6 */
        unsigned int pad1;

        /* WG+CSC r4.7 */
        float wg_csc_constant_c11;
    } grf4;
};

struct pp_inline_parameter {
    struct {
        /* ALL r5.0 */
        int destination_block_horizontal_origin: 16;
        int destination_block_vertical_origin: 16;

        /* Shared r5.1 */
        union {
            /* AVS/Scaling */
            float source_surface_block_normalized_horizontal_origin;

            /* FMD */
            struct {
                unsigned int variance_surface_vertical_origin: 16;
                unsigned int pad0: 16;
            } fmd;
        } r5_1;

        /* AVS/Scaling r5.2 */
        float source_surface_block_normalized_vertical_origin;

        /* Alpha r5.3 */
        float alpha_surface_block_normalized_horizontal_origin;

        /* Alpha r5.4 */
        float alpha_surface_block_normalized_vertical_origin;

        /* Alpha r5.5 */
        unsigned int alpha_mask_x: 16;
        unsigned int alpha_mask_y: 8;
        unsigned int block_count_x: 8;

        /* r5.6 */
        /* we only support M*1 or 1*N block partitation now.
         *   -- it means asm code only need update this mask from grf6 for the last block
         */
        unsigned int block_horizontal_mask: 16;
        unsigned int block_vertical_mask: 8;
        unsigned int number_blocks: 8;

        /* AVS/Scaling r5.7 */
        float normalized_video_x_scaling_step;
    } grf5;

    struct {
        /* AVS r6.0 */
        float video_step_delta;

        /* r6.1 */    // sizeof(int) == 4?
        unsigned int block_horizontal_mask_right: 16;
        unsigned int block_vertical_mask_bottom: 8;
        unsigned int pad1: 8;

        /* r6.2 */
        unsigned int block_horizontal_mask_middle: 16;
        unsigned int pad2: 16;

        /* r6.3-r6.7 */
        unsigned int padx[5];
    } grf6;
};

struct gen7_pp_static_parameter {
    struct {
        /* r1.0-r1.5 */
        unsigned int padx[6];
        /* r1.6 */
        unsigned int di_statistics_surface_pitch_div2: 16;
        unsigned int di_statistics_surface_height_div4: 16;
        /* r1.7 */
        unsigned int di_top_field_first: 8;
        unsigned int pad0: 16;
        unsigned int pointer_to_inline_parameter: 8; /* value: 7 */
    } grf1;

    struct {
        /* r2.0 */
        /* Indicates whether the rgb is swapped for the src surface
         * 0: RGBX(MSB. X-B-G-R). 1: BGRX(MSB: X-R-G-B)
         */
        unsigned int src_avs_rgb_swap: 1;
        unsigned int pad3: 31;

        /* r2.1 */
        unsigned int pad2: 16;
        unsigned int save_avs_rgb_swap: 1; /* 0: RGB, 1: BGR */
        unsigned int avs_wa_enable: 1; /* must enabled for GEN7 */
        unsigned int ief_enable: 1;
        unsigned int avs_wa_width: 13;

        /* 2.2 */
        float avs_wa_one_div_256_width;

        /* 2.3 */
        float avs_wa_five_div_256_width;

        /* 2.4 - 2.6 */
        unsigned int padx[3];

        /* r2.7 */
        unsigned int di_destination_packed_y_component_offset: 8;
        unsigned int di_destination_packed_u_component_offset: 8;
        unsigned int di_destination_packed_v_component_offset: 8;
        unsigned int alpha: 8;
    } grf2;

    struct {
        float sampler_load_horizontal_scaling_step_ratio;
        unsigned int padx[7];
    } grf3;

    struct {
        float sampler_load_vertical_scaling_step;
        unsigned int pad0;
        unsigned int di_hoffset_svf_from_dvf: 16;
        unsigned int di_voffset_svf_from_dvf: 16;
        unsigned int padx[5];
    } grf4;

    struct {
        float sampler_load_vertical_frame_origin;
        unsigned int padx[7];
    } grf5;

    struct {
        float sampler_load_horizontal_frame_origin;
        unsigned int padx[7];
    } grf6;

    struct {
        /* r7.0 -> r7.3 */
        float coef_ry;
        float coef_ru;
        float coef_rv;
        float coef_yd;

        /* r7.4 -> r7.7 */
        float coef_gy;
        float coef_gu;
        float coef_gv;
        float coef_ud;
    } grf7;

    struct {
        /* r8.0 -> r8.3 */
        float coef_by;
        float coef_bu;
        float coef_bv;
        float coef_vd;

        /* r8.4 -> r8.7 */
        unsigned int padx[4];
    } grf8;
};

struct gen7_pp_inline_parameter {
    struct {
        /* r9.0 */
        unsigned int destination_block_horizontal_origin: 16;
        unsigned int destination_block_vertical_origin: 16;
        /* r9.1: 0xffffffff */
        unsigned int constant_0;
        /* r9.2 */
        unsigned int pad0;
        /* r9.3 */
        unsigned int pad1;
        /* r9.4 */
        float sampler_load_main_video_x_scaling_step;
        /* r9.5 */
        unsigned int pad2;
        /* r9.6: must be zero */
        unsigned int avs_vertical_block_number;
        /* r9.7: 0 */
        unsigned int group_id_number;
    } grf9;

    struct {
        unsigned int padx[8];
    } grf10;
};

struct i965_post_processing_context {
    int current_pp;
    struct pp_module pp_modules[NUM_PP_MODULES];
    void *pp_static_parameter;
    void *pp_inline_parameter;

    struct {
        dri_bo *bo;
    } surface_state_binding_table;

    struct {
        dri_bo *bo;
    } curbe;

    struct {
        dri_bo *bo;
        int num_interface_descriptors;
    } idrt;

    struct {
        dri_bo *bo;
    } vfe_state;

    struct {
        dri_bo *bo;
        dri_bo *bo_8x8;
        dri_bo *bo_8x8_uv;
    } sampler_state_table;

    struct {
        unsigned int size;

        unsigned int vfe_start;
        unsigned int cs_start;

        unsigned int num_vfe_entries;
        unsigned int num_cs_entries;

        unsigned int size_vfe_entry;
        unsigned int size_cs_entry;
    } urb;

    struct {
        unsigned int gpgpu_mode : 1;
        unsigned int pad0 : 7;
        unsigned int max_num_threads : 16;
        unsigned int num_urb_entries : 8;
        unsigned int urb_entry_size : 16;
        unsigned int curbe_allocation_size : 16;
    } vfe_gpu_state;

    struct intel_vebox_context *vebox_proc_ctx;

    struct pp_load_save_context pp_load_save_context;
    struct pp_scaling_context pp_scaling_context;
    struct pp_avs_context pp_avs_context;
    struct pp_dndi_context pp_dndi_context;
    struct pp_dn_context pp_dn_context;
    void *private_context; /* pointer to the current private context */
    void *pipeline_param;  /* pointer to the pipeline parameter */
    /**
     * \ref Extra filter flags used as a fast path.
     *
     * This corresponds to vaPutSurface() flags, for direct rendering,
     * or to VAProcPipelineParameterBuffer.filter_flags when the VPP
     * interfaces are used. In the latter case, this is just a copy of
     * that field.
     */
    unsigned int filter_flags;

    int (*pp_x_steps)(void *private_context);
    int (*pp_y_steps)(void *private_context);
    int (*pp_set_block_parameter)(struct i965_post_processing_context *pp_context, int x, int y);

    struct intel_batchbuffer *batch;

    unsigned int block_horizontal_mask_left: 16;
    unsigned int block_horizontal_mask_right: 16;
    unsigned int block_vertical_mask_bottom: 8;

    struct {
        dri_bo *bo;
        int bo_size;
        unsigned int end_offset;
    } instruction_state;

    struct {
        dri_bo *bo;
    } indirect_state;

    struct {
        dri_bo *bo;
        int bo_size;
        unsigned int end_offset;
    } dynamic_state;

    unsigned int sampler_offset;
    int sampler_size;
    unsigned int idrt_offset;
    int idrt_size;
    unsigned int curbe_offset;
    int curbe_size;

    VAStatus(*intel_post_processing)(VADriverContextP   ctx,
                                     struct i965_post_processing_context *pp_context,
                                     const struct i965_surface *src_surface,
                                     const VARectangle *src_rect,
                                     struct i965_surface *dst_surface,
                                     const VARectangle *dst_rect,
                                     int   pp_index,
                                     void * filter_param);
    void (*finalize)(VADriverContextP ctx,
                     struct i965_post_processing_context *pp_context);


    struct i965_gpe_context scaling_gpe_context;

#define VPPGPE_8BIT_8BIT        (1 << 0)
#define VPPGPE_8BIT_10BIT       (1 << 1)
#define VPPGPE_10BIT_10BIT      (1 << 2)
#define VPPGPE_10BIT_8BIT       (1 << 3)
#define VPPGPE_8BIT_420_RGB32   (1 << 4)

    unsigned int scaling_gpe_context_initialized;
};

struct i965_proc_context {
    struct hw_context base;
    void *driver_context;
    struct i965_post_processing_context pp_context;
};

VASurfaceID
i965_post_processing(
    VADriverContextP   ctx,
    struct object_surface *obj_surface,
    const VARectangle *src_rect,
    const VARectangle *dst_rect,
    unsigned int       va_flags,
    int                *has_done_scaling,
    VARectangle *calibrated_rect
);

VAStatus
i965_scaling_processing(
    VADriverContextP   ctx,
    struct object_surface *src_surface_obj,
    const VARectangle *src_rect,
    struct object_surface *dst_surface_obj,
    const VARectangle *dst_rect,
    unsigned int       va_flags
);

VAStatus
i965_image_processing(VADriverContextP ctx,
                      const struct i965_surface *src_surface,
                      const VARectangle *src_rect,
                      struct i965_surface *dst_surface,
                      const VARectangle *dst_rect);

void
i965_post_processing_terminate(VADriverContextP ctx);
bool
i965_post_processing_init(VADriverContextP ctx);


extern VAStatus
i965_proc_picture(VADriverContextP ctx,
                  VAProfile profile,
                  union codec_state *codec_state,
                  struct hw_context *hw_context);

int
pp_get_surface_fourcc(VADriverContextP ctx, const struct i965_surface *surface);

#endif /* __I965_POST_PROCESSING_H__ */
