/*
 * Copyright 2012-14 Advanced Micro Devices, Inc.
 *
 * 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, sublicense,
 * 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 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 NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) 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: AMD
 *
 */

#ifndef DC_STREAM_H_
#define DC_STREAM_H_

#include "dc_types.h"
#include "grph_object_defs.h"

/*******************************************************************************
 * Stream Interfaces
 ******************************************************************************/
struct timing_sync_info {
        int group_id;
        int group_size;
        bool master;
};

struct dc_stream_status {
        int primary_otg_inst;
        int stream_enc_inst;
        int plane_count;
        int audio_inst;
        struct timing_sync_info timing_sync_info;
        struct dc_plane_state *plane_states[MAX_SURFACE_NUM];
        bool is_abm_supported;
};

// TODO: References to this needs to be removed..
struct freesync_context {
        bool dummy;
};

enum hubp_dmdata_mode {
        DMDATA_SW_MODE,
        DMDATA_HW_MODE
};

struct dc_dmdata_attributes {
        /* Specifies whether dynamic meta data will be updated by software
         * or has to be fetched by hardware (DMA mode)
         */
        enum hubp_dmdata_mode dmdata_mode;
        /* Specifies if current dynamic meta data is to be used only for the current frame */
        bool dmdata_repeat;
        /* Specifies the size of Dynamic Metadata surface in byte.  Size of 0 means no Dynamic metadata is fetched */
        uint32_t dmdata_size;
        /* Specifies if a new dynamic meta data should be fetched for an upcoming frame */
        bool dmdata_updated;
        /* If hardware mode is used, the base address where DMDATA surface is located */
        PHYSICAL_ADDRESS_LOC address;
        /* Specifies whether QOS level will be provided by TTU or it will come from DMDATA_QOS_LEVEL */
        bool dmdata_qos_mode;
        /* If qos_mode = 1, this is the QOS value to be used: */
        uint32_t dmdata_qos_level;
        /* Specifies the value in unit of REFCLK cycles to be added to the
         * current time to produce the Amortized deadline for Dynamic Metadata chunk request
         */
        uint32_t dmdata_dl_delta;
        /* An unbounded array of uint32s, represents software dmdata to be loaded */
        uint32_t *dmdata_sw_data;
};

struct dc_writeback_info {
        bool wb_enabled;
        int dwb_pipe_inst;
        struct dc_dwb_params dwb_params;
        struct mcif_buf_params mcif_buf_params;
        struct mcif_warmup_params mcif_warmup_params;
        /* the plane that is the input to TOP_MUX for MPCC that is the DWB source */
        struct dc_plane_state *writeback_source_plane;
        /* source MPCC instance.  for use by internally by dc */
        int mpcc_inst;
};

struct dc_writeback_update {
        unsigned int num_wb_info;
        struct dc_writeback_info writeback_info[MAX_DWB_PIPES];
};

enum vertical_interrupt_ref_point {
        START_V_UPDATE = 0,
        START_V_SYNC,
        INVALID_POINT

        //For now, only v_update interrupt is used.
        //START_V_BLANK,
        //START_V_ACTIVE
};

struct periodic_interrupt_config {
        enum vertical_interrupt_ref_point ref_point;
        int lines_offset;
};

union stream_update_flags {
        struct {
                uint32_t scaling:1;
                uint32_t out_tf:1;
                uint32_t out_csc:1;
                uint32_t abm_level:1;
                uint32_t dpms_off:1;
                uint32_t gamut_remap:1;
                uint32_t wb_update:1;
                uint32_t dsc_changed : 1;
        } bits;

        uint32_t raw;
};

struct test_pattern {
        enum dp_test_pattern type;
        enum dp_test_pattern_color_space color_space;
        struct link_training_settings const *p_link_settings;
        unsigned char const *p_custom_pattern;
        unsigned int cust_pattern_size;
};

struct dc_stream_state {
        // sink is deprecated, new code should not reference
        // this pointer
        struct dc_sink *sink;

        struct dc_link *link;
        /* For dynamic link encoder assignment, update the link encoder assigned to
         * a stream via the volatile dc_state rather than the static dc_link.
         */
        struct link_encoder *link_enc;
        struct dc_panel_patch sink_patches;
        union display_content_support content_support;
        struct dc_crtc_timing timing;
        struct dc_crtc_timing_adjust adjust;
        struct dc_info_packet vrr_infopacket;
        struct dc_info_packet vsc_infopacket;
        struct dc_info_packet vsp_infopacket;

        struct rect src; /* composition area */
        struct rect dst; /* stream addressable area */

        // TODO: References to this needs to be removed..
        struct freesync_context freesync_ctx;

        struct audio_info audio_info;

        struct dc_info_packet hdr_static_metadata;
        PHYSICAL_ADDRESS_LOC dmdata_address;
        bool   use_dynamic_meta;

        struct dc_transfer_func *out_transfer_func;
        struct colorspace_transform gamut_remap_matrix;
        struct dc_csc_transform csc_color_matrix;

        enum dc_color_space output_color_space;
        enum dc_dither_option dither_option;

        enum view_3d_format view_format;

        bool use_vsc_sdp_for_colorimetry;
        bool ignore_msa_timing_param;

        bool freesync_on_desktop;

        bool converter_disable_audio;
        uint8_t qs_bit;
        uint8_t qy_bit;

        /* TODO: custom INFO packets */
        /* TODO: ABM info (DMCU) */
        /* TODO: CEA VIC */

        /* DMCU info */
        unsigned int abm_level;

        struct periodic_interrupt_config periodic_interrupt0;
        struct periodic_interrupt_config periodic_interrupt1;

        /* from core_stream struct */
        struct dc_context *ctx;

        /* used by DCP and FMT */
        struct bit_depth_reduction_params bit_depth_params;
        struct clamping_and_pixel_encoding_params clamping;

        int phy_pix_clk;
        enum signal_type signal;
        bool dpms_off;

        void *dm_stream_context;

        struct dc_cursor_attributes cursor_attributes;
        struct dc_cursor_position cursor_position;
        uint32_t sdr_white_level; // for boosting (SDR) cursor in HDR mode

        /* from stream struct */
        struct kref refcount;

        struct crtc_trigger_info triggered_crtc_reset;

        /* writeback */
        unsigned int num_wb_info;
        struct dc_writeback_info writeback_info[MAX_DWB_PIPES];
        const struct dc_transfer_func *func_shaper;
        const struct dc_3dlut *lut3d_func;
        /* Computed state bits */
        bool mode_changed : 1;

        /* Output from DC when stream state is committed or altered
         * DC may only access these values during:
         * dc_commit_state, dc_commit_state_no_check, dc_commit_streams
         * values may not change outside of those calls
         */
        struct {
                // For interrupt management, some hardware instance
                // offsets need to be exposed to DM
                uint8_t otg_offset;
        } out;

        bool apply_edp_fast_boot_optimization;
        bool apply_seamless_boot_optimization;

        uint32_t stream_id;

        struct test_pattern test_pattern;
        union stream_update_flags update_flags;

        bool has_non_synchronizable_pclk;
        bool vblank_synchronized;
};

#define ABM_LEVEL_IMMEDIATE_DISABLE 255

struct dc_stream_update {
        struct dc_stream_state *stream;

        struct rect src;
        struct rect dst;
        struct dc_transfer_func *out_transfer_func;
        struct dc_info_packet *hdr_static_metadata;
        unsigned int *abm_level;

        struct periodic_interrupt_config *periodic_interrupt0;
        struct periodic_interrupt_config *periodic_interrupt1;

        struct dc_info_packet *vrr_infopacket;
        struct dc_info_packet *vsc_infopacket;
        struct dc_info_packet *vsp_infopacket;

        bool *dpms_off;
        bool integer_scaling_update;

        struct colorspace_transform *gamut_remap;
        enum dc_color_space *output_color_space;
        enum dc_dither_option *dither_option;

        struct dc_csc_transform *output_csc_transform;

        struct dc_writeback_update *wb_update;
        struct dc_dsc_config *dsc_config;
        struct dc_transfer_func *func_shaper;
        struct dc_3dlut *lut3d_func;

        struct test_pattern *pending_test_pattern;
};

bool dc_is_stream_unchanged(
        struct dc_stream_state *old_stream, struct dc_stream_state *stream);
bool dc_is_stream_scaling_unchanged(
        struct dc_stream_state *old_stream, struct dc_stream_state *stream);

/*
 * Set up surface attributes and associate to a stream
 * The surfaces parameter is an absolute set of all surface active for the stream.
 * If no surfaces are provided, the stream will be blanked; no memory read.
 * Any flip related attribute changes must be done through this interface.
 *
 * After this call:
 *   Surfaces attributes are programmed and configured to be composed into stream.
 *   This does not trigger a flip.  No surface address is programmed.
 */

void dc_commit_updates_for_stream(struct dc *dc,
                struct dc_surface_update *srf_updates,
                int surface_count,
                struct dc_stream_state *stream,
                struct dc_stream_update *stream_update,
                struct dc_state *state);
/*
 * Log the current stream state.
 */
void dc_stream_log(const struct dc *dc, const struct dc_stream_state *stream);

uint8_t dc_get_current_stream_count(struct dc *dc);
struct dc_stream_state *dc_get_stream_at_index(struct dc *dc, uint8_t i);
struct dc_stream_state *dc_stream_find_from_link(const struct dc_link *link);

/*
 * Return the current frame counter.
 */
uint32_t dc_stream_get_vblank_counter(const struct dc_stream_state *stream);

/*
 * Send dp sdp message.
 */
bool dc_stream_send_dp_sdp(const struct dc_stream_state *stream,
                const uint8_t *custom_sdp_message,
                unsigned int sdp_message_size);

/* TODO: Return parsed values rather than direct register read
 * This has a dependency on the caller (amdgpu_display_get_crtc_scanoutpos)
 * being refactored properly to be dce-specific
 */
bool dc_stream_get_scanoutpos(const struct dc_stream_state *stream,
                                  uint32_t *v_blank_start,
                                  uint32_t *v_blank_end,
                                  uint32_t *h_position,
                                  uint32_t *v_position);

enum dc_status dc_add_stream_to_ctx(
                        struct dc *dc,
                struct dc_state *new_ctx,
                struct dc_stream_state *stream);

enum dc_status dc_remove_stream_from_ctx(
                struct dc *dc,
                        struct dc_state *new_ctx,
                        struct dc_stream_state *stream);


bool dc_add_plane_to_context(
                const struct dc *dc,
                struct dc_stream_state *stream,
                struct dc_plane_state *plane_state,
                struct dc_state *context);

bool dc_remove_plane_from_context(
                const struct dc *dc,
                struct dc_stream_state *stream,
                struct dc_plane_state *plane_state,
                struct dc_state *context);

bool dc_rem_all_planes_for_stream(
                const struct dc *dc,
                struct dc_stream_state *stream,
                struct dc_state *context);

bool dc_add_all_planes_for_stream(
                const struct dc *dc,
                struct dc_stream_state *stream,
                struct dc_plane_state * const *plane_states,
                int plane_count,
                struct dc_state *context);

bool dc_stream_add_writeback(struct dc *dc,
                struct dc_stream_state *stream,
                struct dc_writeback_info *wb_info);

bool dc_stream_remove_writeback(struct dc *dc,
                struct dc_stream_state *stream,
                uint32_t dwb_pipe_inst);

enum dc_status dc_stream_add_dsc_to_resource(struct dc *dc,
                struct dc_state *state,
                struct dc_stream_state *stream);

bool dc_stream_warmup_writeback(struct dc *dc,
                int num_dwb,
                struct dc_writeback_info *wb_info);

bool dc_stream_dmdata_status_done(struct dc *dc, struct dc_stream_state *stream);

bool dc_stream_set_dynamic_metadata(struct dc *dc,
                struct dc_stream_state *stream,
                struct dc_dmdata_attributes *dmdata_attr);

enum dc_status dc_validate_stream(struct dc *dc, struct dc_stream_state *stream);

/*
 * Set up streams and links associated to drive sinks
 * The streams parameter is an absolute set of all active streams.
 *
 * After this call:
 *   Phy, Encoder, Timing Generator are programmed and enabled.
 *   New streams are enabled with blank stream; no memory read.
 */
/*
 * Enable stereo when commit_streams is not required,
 * for example, frame alternate.
 */
void dc_enable_stereo(
        struct dc *dc,
        struct dc_state *context,
        struct dc_stream_state *streams[],
        uint8_t stream_count);

/* Triggers multi-stream synchronization. */
void dc_trigger_sync(struct dc *dc, struct dc_state *context);

enum surface_update_type dc_check_update_surfaces_for_stream(
                struct dc *dc,
                struct dc_surface_update *updates,
                int surface_count,
                struct dc_stream_update *stream_update,
                const struct dc_stream_status *stream_status);

/**
 * Create a new default stream for the requested sink
 */
struct dc_stream_state *dc_create_stream_for_sink(struct dc_sink *dc_sink);

struct dc_stream_state *dc_copy_stream(const struct dc_stream_state *stream);

void update_stream_signal(struct dc_stream_state *stream, struct dc_sink *sink);

void dc_stream_retain(struct dc_stream_state *dc_stream);
void dc_stream_release(struct dc_stream_state *dc_stream);

struct dc_stream_status *dc_stream_get_status_from_state(
        struct dc_state *state,
        struct dc_stream_state *stream);
struct dc_stream_status *dc_stream_get_status(
        struct dc_stream_state *dc_stream);

#ifndef TRIM_FSFT
bool dc_optimize_timing_for_fsft(
        struct dc_stream_state *pStream,
        unsigned int max_input_rate_in_khz);
#endif

/*******************************************************************************
 * Cursor interfaces - To manages the cursor within a stream
 ******************************************************************************/
/* TODO: Deprecated once we switch to dc_set_cursor_position */
bool dc_stream_set_cursor_attributes(
        struct dc_stream_state *stream,
        const struct dc_cursor_attributes *attributes);

bool dc_stream_set_cursor_position(
        struct dc_stream_state *stream,
        const struct dc_cursor_position *position);


bool dc_stream_adjust_vmin_vmax(struct dc *dc,
                                struct dc_stream_state *stream,
                                struct dc_crtc_timing_adjust *adjust);

bool dc_stream_get_last_used_drr_vtotal(struct dc *dc,
                struct dc_stream_state *stream,
                uint32_t *refresh_rate);

bool dc_stream_get_crtc_position(struct dc *dc,
                                 struct dc_stream_state **stream,
                                 int num_streams,
                                 unsigned int *v_pos,
                                 unsigned int *nom_v_pos);

#if defined(CONFIG_DRM_AMD_SECURE_DISPLAY)
bool dc_stream_forward_dmcu_crc_window(struct dc *dc, struct dc_stream_state *stream,
                             struct crc_params *crc_window);
bool dc_stream_stop_dmcu_crc_win_update(struct dc *dc,
                                 struct dc_stream_state *stream);
#endif

bool dc_stream_configure_crc(struct dc *dc,
                             struct dc_stream_state *stream,
                             struct crc_params *crc_window,
                             bool enable,
                             bool continuous);

bool dc_stream_get_crc(struct dc *dc,
                       struct dc_stream_state *stream,
                       uint32_t *r_cr,
                       uint32_t *g_y,
                       uint32_t *b_cb);

void dc_stream_set_static_screen_params(struct dc *dc,
                                        struct dc_stream_state **stream,
                                        int num_streams,
                                        const struct dc_static_screen_params *params);

void dc_stream_set_dyn_expansion(struct dc *dc, struct dc_stream_state *stream,
                enum dc_dynamic_expansion option);

void dc_stream_set_dither_option(struct dc_stream_state *stream,
                                 enum dc_dither_option option);

bool dc_stream_set_gamut_remap(struct dc *dc,
                               const struct dc_stream_state *stream);

bool dc_stream_program_csc_matrix(struct dc *dc,
                                  struct dc_stream_state *stream);

bool dc_stream_get_crtc_position(struct dc *dc,
                                 struct dc_stream_state **stream,
                                 int num_streams,
                                 unsigned int *v_pos,
                                 unsigned int *nom_v_pos);

#endif /* DC_STREAM_H_ */