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/*
* Copyright 2019 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 DMUB_SUBVP_STATE_H
#define DMUB_SUBVP_STATE_H
#include "dmub_cmd.h"
#define DMUB_SUBVP_INST0 0
#define DMUB_SUBVP_INST1 1
#define SUBVP_MAX_WATERMARK 0xFFFF
struct dmub_subvp_hubp_state {
uint32_t CURSOR0_0_CURSOR_POSITION;
uint32_t CURSOR0_0_CURSOR_HOT_SPOT;
uint32_t CURSOR0_0_CURSOR_DST_OFFSET;
uint32_t CURSOR0_0_CURSOR_SURFACE_ADDRESS_HIGH;
uint32_t CURSOR0_0_CURSOR_SURFACE_ADDRESS;
uint32_t CURSOR0_0_CURSOR_SIZE;
uint32_t CURSOR0_0_CURSOR_CONTROL;
uint32_t HUBPREQ0_CURSOR_SETTINGS;
uint32_t HUBPREQ0_DCSURF_SURFACE_EARLIEST_INUSE_HIGH;
uint32_t HUBPREQ0_DCSURF_SURFACE_EARLIEST_INUSE;
uint32_t HUBPREQ0_DCSURF_PRIMARY_SURFACE_ADDRESS_HIGH;
uint32_t HUBPREQ0_DCSURF_PRIMARY_SURFACE_ADDRESS;
uint32_t HUBPREQ0_DCSURF_PRIMARY_META_SURFACE_ADDRESS;
uint32_t HUBPREQ0_DCSURF_PRIMARY_META_SURFACE_ADDRESS_HIGH;
uint32_t HUBPREQ0_DCSURF_PRIMARY_SURFACE_ADDRESS_HIGH_C;
uint32_t HUBPREQ0_DCSURF_PRIMARY_SURFACE_ADDRESS_C;
uint32_t HUBPREQ0_DCSURF_PRIMARY_META_SURFACE_ADDRESS_HIGH_C;
uint32_t HUBPREQ0_DCSURF_PRIMARY_META_SURFACE_ADDRESS_C;
};
enum subvp_error_code {
DMUB_SUBVP_INVALID_STATE,
DMUB_SUBVP_INVALID_TRANSITION,
};
enum subvp_state {
DMUB_SUBVP_DISABLED,
DMUB_SUBVP_IDLE,
DMUB_SUBVP_TRY_ACQUIRE_LOCKS,
DMUB_SUBVP_WAIT_FOR_LOCKS,
DMUB_SUBVP_PRECONFIGURE,
DMUB_SUBVP_PREPARE,
DMUB_SUBVP_ENABLE,
DMUB_SUBVP_SWITCHING,
DMUB_SUBVP_END,
DMUB_SUBVP_RESTORE,
};
/* Defines information for SUBVP to handle vertical interrupts. */
struct dmub_subvp_vertical_interrupt_event {
/**
* @inst: Hardware instance of vertical interrupt.
*/
uint8_t otg_inst;
/**
* @pad: Align structure to 4 byte boundary.
*/
uint8_t pad[3];
enum subvp_state curr_state;
};
struct dmub_subvp_vertical_interrupt_state {
/**
* @events: Event list.
*/
struct dmub_subvp_vertical_interrupt_event events[DMUB_MAX_STREAMS];
};
struct dmub_subvp_vline_interrupt_event {
uint8_t hubp_inst;
uint8_t pad[3];
};
struct dmub_subvp_vline_interrupt_state {
struct dmub_subvp_vline_interrupt_event events[DMUB_MAX_PLANES];
};
struct dmub_subvp_interrupt_ctx {
struct dmub_subvp_vertical_interrupt_state vertical_int;
struct dmub_subvp_vline_interrupt_state vline_int;
};
struct dmub_subvp_pipe_state {
uint32_t pix_clk_100hz;
uint16_t main_vblank_start;
uint16_t main_vblank_end;
uint16_t mall_region_lines;
uint16_t prefetch_lines;
uint16_t prefetch_to_mall_start_lines;
uint16_t processing_delay_lines;
uint8_t main_pipe_index;
uint8_t phantom_pipe_index;
uint16_t htotal; // htotal for main / phantom pipe
uint16_t vtotal;
uint16_t optc_underflow_count;
uint16_t hubp_underflow_count;
uint8_t pad[2];
};
/**
* struct dmub_subvp_vblank_drr_info - Store DRR state when handling
* SubVP + VBLANK with DRR multi-display case.
*
* The info stored in this struct is only valid if drr_in_use = 1.
*/
struct dmub_subvp_vblank_drr_info {
uint8_t drr_in_use;
uint8_t drr_window_size_ms; // DRR window size -- indicates largest VMIN/VMAX adjustment per frame
uint16_t min_vtotal_supported; // Min VTOTAL that supports switching in VBLANK
uint16_t max_vtotal_supported; // Max VTOTAL that can still support SubVP static scheduling requirements
uint16_t prev_vmin; // Store VMIN value before MCLK switch (used to restore after MCLK end)
uint16_t prev_vmax; // Store VMAX value before MCLK switch (used to restore after MCLK end)
uint8_t use_ramping; // Use ramping or not
uint8_t pad[1];
};
struct dmub_subvp_vblank_pipe_info {
uint32_t pix_clk_100hz;
uint16_t vblank_start;
uint16_t vblank_end;
uint16_t vstartup_start;
uint16_t vtotal;
uint16_t htotal;
uint8_t pipe_index;
uint8_t pad[1];
struct dmub_subvp_vblank_drr_info drr_info; // DRR considered as part of SubVP + VBLANK case
};
enum subvp_switch_type {
DMUB_SUBVP_ONLY, // Used for SubVP only, and SubVP + VACTIVE
DMUB_SUBVP_AND_SUBVP, // 2 SubVP displays
DMUB_SUBVP_AND_VBLANK,
DMUB_SUBVP_AND_FPO,
};
/* SubVP state. */
struct dmub_subvp_state {
struct dmub_subvp_pipe_state pipe_state[DMUB_MAX_SUBVP_STREAMS];
struct dmub_subvp_interrupt_ctx int_ctx;
struct dmub_subvp_vblank_pipe_info vblank_info;
enum subvp_state state; // current state
enum subvp_switch_type switch_type; // enum take up 4 bytes (?)
uint8_t mclk_pending;
uint8_t num_subvp_streams;
uint8_t vertical_int_margin_us;
uint8_t pstate_allow_width_us;
uint32_t subvp_mclk_switch_count;
uint32_t subvp_wait_lock_count;
uint32_t driver_wait_lock_count;
uint32_t subvp_vblank_frame_count;
uint16_t watermark_a_cache;
uint8_t pad[2];
};
#endif /* _DMUB_SUBVP_STATE_H_ */
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