kernel/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_mdss.h

/* SPDX-License-Identifier: GPL-2.0-only */
/* Copyright (c) 2015-2018, The Linux Foundation. All rights reserved.
 */

#ifndef _DPU_HW_MDSS_H
#define _DPU_HW_MDSS_H

#include <linux/kernel.h>
#include <linux/err.h>

#include "msm_drv.h"

#include "disp/mdp_format.h"

#define DPU_DBG_NAME			"dpu"

#define DPU_NONE                        0

#ifndef DPU_CSC_MATRIX_COEFF_SIZE
#define DPU_CSC_MATRIX_COEFF_SIZE	9
#endif

#ifndef DPU_CSC_CLAMP_SIZE
#define DPU_CSC_CLAMP_SIZE		6
#endif

#ifndef DPU_CSC_BIAS_SIZE
#define DPU_CSC_BIAS_SIZE		3
#endif

#ifndef DPU_MAX_PLANES
#define DPU_MAX_PLANES			4
#endif

#define PIPES_PER_STAGE			2
#ifndef DPU_MAX_DE_CURVES
#define DPU_MAX_DE_CURVES		3
#endif

#define DPU_BLEND_FG_ALPHA_FG_CONST	(0 << 0)
#define DPU_BLEND_FG_ALPHA_BG_CONST	(1 << 0)
#define DPU_BLEND_FG_ALPHA_FG_PIXEL	(2 << 0)
#define DPU_BLEND_FG_ALPHA_BG_PIXEL	(3 << 0)
#define DPU_BLEND_FG_INV_ALPHA		(1 << 2)
#define DPU_BLEND_FG_MOD_ALPHA		(1 << 3)
#define DPU_BLEND_FG_INV_MOD_ALPHA	(1 << 4)
#define DPU_BLEND_FG_TRANSP_EN		(1 << 5)
#define DPU_BLEND_BG_ALPHA_FG_CONST	(0 << 8)
#define DPU_BLEND_BG_ALPHA_BG_CONST	(1 << 8)
#define DPU_BLEND_BG_ALPHA_FG_PIXEL	(2 << 8)
#define DPU_BLEND_BG_ALPHA_BG_PIXEL	(3 << 8)
#define DPU_BLEND_BG_INV_ALPHA		(1 << 10)
#define DPU_BLEND_BG_MOD_ALPHA		(1 << 11)
#define DPU_BLEND_BG_INV_MOD_ALPHA	(1 << 12)
#define DPU_BLEND_BG_TRANSP_EN		(1 << 13)

enum dpu_vsync_source {
	DPU_VSYNC_SOURCE_GPIO_0,
	DPU_VSYNC_SOURCE_GPIO_1,
	DPU_VSYNC_SOURCE_GPIO_2,
	DPU_VSYNC_SOURCE_INTF_0 = 3,
	DPU_VSYNC_SOURCE_INTF_1,
	DPU_VSYNC_SOURCE_INTF_2,
	DPU_VSYNC_SOURCE_INTF_3,
	DPU_VSYNC_SOURCE_WD_TIMER_4 = 11,
	DPU_VSYNC_SOURCE_WD_TIMER_3,
	DPU_VSYNC_SOURCE_WD_TIMER_2,
	DPU_VSYNC_SOURCE_WD_TIMER_1,
	DPU_VSYNC_SOURCE_WD_TIMER_0,
};

enum dpu_hw_blk_type {
	DPU_HW_BLK_TOP = 0,
	DPU_HW_BLK_SSPP,
	DPU_HW_BLK_LM,
	DPU_HW_BLK_CTL,
	DPU_HW_BLK_PINGPONG,
	DPU_HW_BLK_INTF,
	DPU_HW_BLK_WB,
	DPU_HW_BLK_DSPP,
	DPU_HW_BLK_MERGE_3D,
	DPU_HW_BLK_DSC,
	DPU_HW_BLK_CDM,
	DPU_HW_BLK_MAX,
};

enum dpu_sspp {
	SSPP_NONE,
	SSPP_VIG0,
	SSPP_VIG1,
	SSPP_VIG2,
	SSPP_VIG3,
	SSPP_RGB0,
	SSPP_RGB1,
	SSPP_RGB2,
	SSPP_RGB3,
	SSPP_DMA0,
	SSPP_DMA1,
	SSPP_DMA2,
	SSPP_DMA3,
	SSPP_DMA4,
	SSPP_DMA5,
	SSPP_CURSOR0,
	SSPP_CURSOR1,
	SSPP_MAX
};

enum dpu_sspp_type {
	SSPP_TYPE_VIG,
	SSPP_TYPE_RGB,
	SSPP_TYPE_DMA,
	SSPP_TYPE_CURSOR,
	SSPP_TYPE_MAX
};

enum dpu_lm {
	LM_0 = 1,
	LM_1,
	LM_2,
	LM_3,
	LM_4,
	LM_5,
	LM_6,
	LM_MAX
};

enum dpu_stage {
	DPU_STAGE_BASE = 0,
	DPU_STAGE_0,
	DPU_STAGE_1,
	DPU_STAGE_2,
	DPU_STAGE_3,
	DPU_STAGE_4,
	DPU_STAGE_5,
	DPU_STAGE_6,
	DPU_STAGE_7,
	DPU_STAGE_8,
	DPU_STAGE_9,
	DPU_STAGE_10,
	DPU_STAGE_MAX
};
enum dpu_dspp {
	DSPP_0 = 1,
	DSPP_1,
	DSPP_2,
	DSPP_3,
	DSPP_MAX
};

enum dpu_ctl {
	CTL_0 = 1,
	CTL_1,
	CTL_2,
	CTL_3,
	CTL_4,
	CTL_5,
	CTL_MAX
};

enum dpu_dsc {
	DSC_NONE = 0,
	DSC_0,
	DSC_1,
	DSC_2,
	DSC_3,
	DSC_4,
	DSC_5,
	DSC_MAX
};

enum dpu_cdm {
	CDM_0 = 1,
	CDM_MAX
};

enum dpu_pingpong {
	PINGPONG_NONE,
	PINGPONG_0,
	PINGPONG_1,
	PINGPONG_2,
	PINGPONG_3,
	PINGPONG_4,
	PINGPONG_5,
	PINGPONG_6,
	PINGPONG_7,
	PINGPONG_8,
	PINGPONG_9,
	PINGPONG_S0,
	PINGPONG_MAX
};

enum dpu_merge_3d {
	MERGE_3D_0 = 1,
	MERGE_3D_1,
	MERGE_3D_2,
	MERGE_3D_3,
	MERGE_3D_4,
	MERGE_3D_MAX
};

enum dpu_intf {
	INTF_0 = 1,
	INTF_1,
	INTF_2,
	INTF_3,
	INTF_4,
	INTF_5,
	INTF_6,
	INTF_7,
	INTF_8,
	INTF_MAX
};

/*
 * Historically these values correspond to the values written to the
 * DISP_INTF_SEL register, which had to programmed manually. On newer MDP
 * generations this register is NOP, but we keep the values for historical
 * reasons.
 */
enum dpu_intf_type {
	INTF_NONE = 0x0,
	INTF_DSI = 0x1,
	INTF_HDMI = 0x3,
	INTF_LCDC = 0x5,
	/* old eDP found on 8x74 and 8x84 */
	INTF_EDP = 0x9,
	/* both DP and eDP,  handled by the new DP driver */
	INTF_DP = 0xa,

	/* virtual interfaces */
	INTF_WB = 0x100,
};

enum dpu_intf_mode {
	INTF_MODE_NONE = 0,
	INTF_MODE_CMD,
	INTF_MODE_VIDEO,
	INTF_MODE_WB_BLOCK,
	INTF_MODE_WB_LINE,
	INTF_MODE_MAX
};

enum dpu_wb {
	WB_0 = 1,
	WB_1,
	WB_2,
	WB_3,
	WB_MAX
};

enum dpu_cwb {
	CWB_0 = 0x1,
	CWB_1,
	CWB_2,
	CWB_3,
	CWB_MAX
};

enum dpu_wd_timer {
	WD_TIMER_0 = 0x1,
	WD_TIMER_1,
	WD_TIMER_2,
	WD_TIMER_3,
	WD_TIMER_4,
	WD_TIMER_5,
	WD_TIMER_MAX
};

enum dpu_vbif {
	VBIF_RT,
	VBIF_NRT,
	VBIF_MAX,
};

/**
 * enum dpu_3d_blend_mode
 * Desribes how the 3d data is blended
 * @BLEND_3D_NONE      : 3d blending not enabled
 * @BLEND_3D_FRAME_INT : Frame interleaving
 * @BLEND_3D_H_ROW_INT : Horizontal row interleaving
 * @BLEND_3D_V_ROW_INT : vertical row interleaving
 * @BLEND_3D_COL_INT   : column interleaving
 * @BLEND_3D_MAX       :
 */
enum dpu_3d_blend_mode {
	BLEND_3D_NONE = 0,
	BLEND_3D_FRAME_INT,
	BLEND_3D_H_ROW_INT,
	BLEND_3D_V_ROW_INT,
	BLEND_3D_COL_INT,
	BLEND_3D_MAX
};

/**
 * struct dpu_hw_fmt_layout - format information of the source pixel data
 * @format: pixel format parameters
 * @num_planes: number of planes (including meta data planes)
 * @width: image width
 * @height: image height
 * @total_size: total size in bytes
 * @plane_addr: address of each plane
 * @plane_size: length of each plane
 * @plane_pitch: pitch of each plane
 */
struct dpu_hw_fmt_layout {
	const struct msm_format *format;
	uint32_t num_planes;
	uint32_t width;
	uint32_t height;
	uint32_t total_size;
	uint32_t plane_addr[DPU_MAX_PLANES];
	uint32_t plane_size[DPU_MAX_PLANES];
	uint32_t plane_pitch[DPU_MAX_PLANES];
};

struct dpu_csc_cfg {
	/* matrix coefficients in S15.16 format */
	uint32_t csc_mv[DPU_CSC_MATRIX_COEFF_SIZE];
	uint32_t csc_pre_bv[DPU_CSC_BIAS_SIZE];
	uint32_t csc_post_bv[DPU_CSC_BIAS_SIZE];
	uint32_t csc_pre_lv[DPU_CSC_CLAMP_SIZE];
	uint32_t csc_post_lv[DPU_CSC_CLAMP_SIZE];
};

/**
 * struct dpu_mdss_color - mdss color description
 * color 0 : green
 * color 1 : blue
 * color 2 : red
 * color 3 : alpha
 */
struct dpu_mdss_color {
	u32 color_0;
	u32 color_1;
	u32 color_2;
	u32 color_3;
};

/*
 * Define bit masks for h/w logging.
 */
#define DPU_DBG_MASK_NONE     (1 << 0)
#define DPU_DBG_MASK_INTF     (1 << 1)
#define DPU_DBG_MASK_LM       (1 << 2)
#define DPU_DBG_MASK_CTL      (1 << 3)
#define DPU_DBG_MASK_PINGPONG (1 << 4)
#define DPU_DBG_MASK_SSPP     (1 << 5)
#define DPU_DBG_MASK_WB       (1 << 6)
#define DPU_DBG_MASK_TOP      (1 << 7)
#define DPU_DBG_MASK_VBIF     (1 << 8)
#define DPU_DBG_MASK_ROT      (1 << 9)
#define DPU_DBG_MASK_DSPP     (1 << 10)
#define DPU_DBG_MASK_DSC      (1 << 11)
#define DPU_DBG_MASK_CDM      (1 << 12)

/**
 * struct dpu_hw_tear_check - Struct contains parameters to configure
 * tear-effect module. This structure is used to configure tear-check
 * logic present either in ping-pong or in interface module.
 * @vsync_count:        Ratio of MDP VSYNC clk freq(Hz) to refresh rate divided
 *                      by no of lines
 * @sync_cfg_height:    Total vertical lines (display height - 1)
 * @vsync_init_val:     Init value to which the read pointer gets loaded at
 *                      vsync edge
 * @sync_threshold_start:    Read pointer threshold start ROI for write operation
 * @sync_threshold_continue: The minimum number of lines the write pointer
 *                           needs to be above the read pointer
 * @start_pos:          The position from which the start_threshold value is added
 * @rd_ptr_irq:         The read pointer line at which interrupt has to be generated
 * @hw_vsync_mode:      Sync with external frame sync input
 */
struct dpu_hw_tear_check {
	/*
	 * This is ratio of MDP VSYNC clk freq(Hz) to
	 * refresh rate divided by no of lines
	 */
	u32 vsync_count;
	u32 sync_cfg_height;
	u32 vsync_init_val;
	u32 sync_threshold_start;
	u32 sync_threshold_continue;
	u32 start_pos;
	u32 rd_ptr_irq;
	u8 hw_vsync_mode;
};

/**
 * struct dpu_hw_pp_vsync_info - Struct contains parameters to configure
 * read and write pointers for command mode panels
 * @rd_ptr_init_val:    Value of rd pointer at vsync edge
 * @rd_ptr_frame_count: Num frames sent since enabling interface
 * @rd_ptr_line_count:  Current line on panel (rd ptr)
 * @wr_ptr_line_count:  Current line within pp fifo (wr ptr)
 * @intf_frame_count:   Frames read from intf
 */
struct dpu_hw_pp_vsync_info {
	u32 rd_ptr_init_val;
	u32 rd_ptr_frame_count;
	u32 rd_ptr_line_count;
	u32 wr_ptr_line_count;
	u32 intf_frame_count;
};

#endif  /* _DPU_HW_MDSS_H */