root/drivers/gpu/drm/mxsfb/lcdif_regs.h
/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 * Copyright (C) 2022 Marek Vasut <marex@denx.de>
 *
 * i.MX8MP/i.MXRT LCDIF LCD controller driver.
 */

#ifndef __LCDIF_REGS_H__
#define __LCDIF_REGS_H__

#define REG_SET 4
#define REG_CLR 8

/* V8 register set */
#define LCDC_V8_CTRL                    0x00
#define LCDC_V8_DISP_PARA               0x10
#define LCDC_V8_DISP_SIZE               0x14
#define LCDC_V8_HSYN_PARA               0x18
#define LCDC_V8_VSYN_PARA               0x1c
#define LCDC_V8_VSYN_HSYN_WIDTH         0x20
#define LCDC_V8_INT_STATUS_D0           0x24
#define LCDC_V8_INT_ENABLE_D0           0x28
#define LCDC_V8_INT_STATUS_D1           0x30
#define LCDC_V8_INT_ENABLE_D1           0x34
#define LCDC_V8_CTRLDESCL0_1            0x200
#define LCDC_V8_CTRLDESCL0_3            0x208
#define LCDC_V8_CTRLDESCL_LOW0_4        0x20c
#define LCDC_V8_CTRLDESCL_HIGH0_4       0x210
#define LCDC_V8_CTRLDESCL0_5            0x214
#define LCDC_V8_CSC0_CTRL               0x21c
#define LCDC_V8_CSC0_COEF0              0x220
#define LCDC_V8_CSC0_COEF1              0x224
#define LCDC_V8_CSC0_COEF2              0x228
#define LCDC_V8_CSC0_COEF3              0x22c
#define LCDC_V8_CSC0_COEF4              0x230
#define LCDC_V8_CSC0_COEF5              0x234
#define LCDC_V8_PANIC0_THRES            0x238

#define CTRL_SFTRST                     BIT(31)
#define CTRL_CLKGATE                    BIT(30)
#define CTRL_BYPASS_COUNT               BIT(19)
#define CTRL_VSYNC_MODE                 BIT(18)
#define CTRL_DOTCLK_MODE                BIT(17)
#define CTRL_DATA_SELECT                BIT(16)
#define CTRL_BUS_WIDTH_16               (0 << 10)
#define CTRL_BUS_WIDTH_8                (1 << 10)
#define CTRL_BUS_WIDTH_18               (2 << 10)
#define CTRL_BUS_WIDTH_24               (3 << 10)
#define CTRL_BUS_WIDTH_MASK             (0x3 << 10)
#define CTRL_WORD_LENGTH_16             (0 << 8)
#define CTRL_WORD_LENGTH_8              (1 << 8)
#define CTRL_WORD_LENGTH_18             (2 << 8)
#define CTRL_WORD_LENGTH_24             (3 << 8)
#define CTRL_MASTER                     BIT(5)
#define CTRL_DF16                       BIT(3)
#define CTRL_DF18                       BIT(2)
#define CTRL_DF24                       BIT(1)
#define CTRL_RUN                        BIT(0)

#define CTRL1_RECOVER_ON_UNDERFLOW      BIT(24)
#define CTRL1_FIFO_CLEAR                BIT(21)
#define CTRL1_SET_BYTE_PACKAGING(x)     (((x) & 0xf) << 16)
#define CTRL1_GET_BYTE_PACKAGING(x)     (((x) >> 16) & 0xf)
#define CTRL1_CUR_FRAME_DONE_IRQ_EN     BIT(13)
#define CTRL1_CUR_FRAME_DONE_IRQ        BIT(9)

#define CTRL2_SET_OUTSTANDING_REQS_1    0
#define CTRL2_SET_OUTSTANDING_REQS_2    (0x1 << 21)
#define CTRL2_SET_OUTSTANDING_REQS_4    (0x2 << 21)
#define CTRL2_SET_OUTSTANDING_REQS_8    (0x3 << 21)
#define CTRL2_SET_OUTSTANDING_REQS_16   (0x4 << 21)
#define CTRL2_SET_OUTSTANDING_REQS_MASK (0x7 << 21)

#define TRANSFER_COUNT_SET_VCOUNT(x)    (((x) & 0xffff) << 16)
#define TRANSFER_COUNT_GET_VCOUNT(x)    (((x) >> 16) & 0xffff)
#define TRANSFER_COUNT_SET_HCOUNT(x)    ((x) & 0xffff)
#define TRANSFER_COUNT_GET_HCOUNT(x)    ((x) & 0xffff)

#define VDCTRL0_ENABLE_PRESENT          BIT(28)
#define VDCTRL0_VSYNC_ACT_HIGH          BIT(27)
#define VDCTRL0_HSYNC_ACT_HIGH          BIT(26)
#define VDCTRL0_DOTCLK_ACT_FALLING      BIT(25)
#define VDCTRL0_ENABLE_ACT_HIGH         BIT(24)
#define VDCTRL0_VSYNC_PERIOD_UNIT       BIT(21)
#define VDCTRL0_VSYNC_PULSE_WIDTH_UNIT  BIT(20)
#define VDCTRL0_HALF_LINE               BIT(19)
#define VDCTRL0_HALF_LINE_MODE          BIT(18)
#define VDCTRL0_SET_VSYNC_PULSE_WIDTH(x) ((x) & 0x3ffff)
#define VDCTRL0_GET_VSYNC_PULSE_WIDTH(x) ((x) & 0x3ffff)

#define VDCTRL2_SET_HSYNC_PERIOD(x)     ((x) & 0x3ffff)
#define VDCTRL2_GET_HSYNC_PERIOD(x)     ((x) & 0x3ffff)

#define VDCTRL3_MUX_SYNC_SIGNALS        BIT(29)
#define VDCTRL3_VSYNC_ONLY              BIT(28)
#define SET_HOR_WAIT_CNT(x)             (((x) & 0xfff) << 16)
#define GET_HOR_WAIT_CNT(x)             (((x) >> 16) & 0xfff)
#define SET_VERT_WAIT_CNT(x)            ((x) & 0xffff)
#define GET_VERT_WAIT_CNT(x)            ((x) & 0xffff)

#define VDCTRL4_SET_DOTCLK_DLY(x)       (((x) & 0x7) << 29) /* v4 only */
#define VDCTRL4_GET_DOTCLK_DLY(x)       (((x) >> 29) & 0x7) /* v4 only */
#define VDCTRL4_SYNC_SIGNALS_ON         BIT(18)
#define SET_DOTCLK_H_VALID_DATA_CNT(x)  ((x) & 0x3ffff)

#define DEBUG0_HSYNC                    BIT(26)
#define DEBUG0_VSYNC                    BIT(25)

#define AS_CTRL_PS_DISABLE              BIT(23)
#define AS_CTRL_ALPHA_INVERT            BIT(20)
#define AS_CTRL_ALPHA(a)                (((a) & 0xff) << 8)
#define AS_CTRL_FORMAT_RGB565           (0xe << 4)
#define AS_CTRL_FORMAT_RGB444           (0xd << 4)
#define AS_CTRL_FORMAT_RGB555           (0xc << 4)
#define AS_CTRL_FORMAT_ARGB4444         (0x9 << 4)
#define AS_CTRL_FORMAT_ARGB1555         (0x8 << 4)
#define AS_CTRL_FORMAT_RGB888           (0x4 << 4)
#define AS_CTRL_FORMAT_ARGB8888         (0x0 << 4)
#define AS_CTRL_ENABLE_COLORKEY         BIT(3)
#define AS_CTRL_ALPHA_CTRL_ROP          (3 << 1)
#define AS_CTRL_ALPHA_CTRL_MULTIPLY     (2 << 1)
#define AS_CTRL_ALPHA_CTRL_OVERRIDE     (1 << 1)
#define AS_CTRL_ALPHA_CTRL_EMBEDDED     (0 << 1)
#define AS_CTRL_AS_ENABLE               BIT(0)

/* V8 register set */
#define CTRL_SW_RESET                   BIT(31)
#define CTRL_FETCH_START_OPTION_FPV     0
#define CTRL_FETCH_START_OPTION_PWV     BIT(8)
#define CTRL_FETCH_START_OPTION_BPV     BIT(9)
#define CTRL_FETCH_START_OPTION_RESV    GENMASK(9, 8)
#define CTRL_FETCH_START_OPTION_MASK    GENMASK(9, 8)
#define CTRL_NEG                        BIT(4)
#define CTRL_INV_PXCK                   BIT(3)
#define CTRL_INV_DE                     BIT(2)
#define CTRL_INV_VS                     BIT(1)
#define CTRL_INV_HS                     BIT(0)

#define DISP_PARA_DISP_ON               BIT(31)
#define DISP_PARA_SWAP_EN               BIT(30)
#define DISP_PARA_LINE_PATTERN_UYVY_H   (0xd << 26)
#define DISP_PARA_LINE_PATTERN_RGB565   (0x7 << 26)
#define DISP_PARA_LINE_PATTERN_RGB888   (0x0 << 26)
#define DISP_PARA_LINE_PATTERN_MASK     GENMASK(29, 26)
#define DISP_PARA_DISP_MODE_MASK        GENMASK(25, 24)
#define DISP_PARA_BGND_R_MASK           GENMASK(23, 16)
#define DISP_PARA_BGND_G_MASK           GENMASK(15, 8)
#define DISP_PARA_BGND_B_MASK           GENMASK(7, 0)

#define DISP_SIZE_DELTA_Y(n)            (((n) & 0xffff) << 16)
#define DISP_SIZE_DELTA_Y_MASK          GENMASK(31, 16)
#define DISP_SIZE_DELTA_X(n)            ((n) & 0xffff)
#define DISP_SIZE_DELTA_X_MASK          GENMASK(15, 0)

#define HSYN_PARA_BP_H(n)               (((n) & 0xffff) << 16)
#define HSYN_PARA_BP_H_MASK             GENMASK(31, 16)
#define HSYN_PARA_FP_H(n)               ((n) & 0xffff)
#define HSYN_PARA_FP_H_MASK             GENMASK(15, 0)

#define VSYN_PARA_BP_V(n)               (((n) & 0xffff) << 16)
#define VSYN_PARA_BP_V_MASK             GENMASK(31, 16)
#define VSYN_PARA_FP_V(n)               ((n) & 0xffff)
#define VSYN_PARA_FP_V_MASK             GENMASK(15, 0)

#define VSYN_HSYN_WIDTH_PW_V(n)         (((n) & 0xffff) << 16)
#define VSYN_HSYN_WIDTH_PW_V_MASK       GENMASK(31, 16)
#define VSYN_HSYN_WIDTH_PW_H(n)         ((n) & 0xffff)
#define VSYN_HSYN_WIDTH_PW_H_MASK       GENMASK(15, 0)

#define INT_STATUS_D0_FIFO_EMPTY        BIT(24)
#define INT_STATUS_D0_DMA_DONE          BIT(16)
#define INT_STATUS_D0_DMA_ERR           BIT(8)
#define INT_STATUS_D0_VS_BLANK          BIT(2)
#define INT_STATUS_D0_UNDERRUN          BIT(1)
#define INT_STATUS_D0_VSYNC             BIT(0)

#define INT_ENABLE_D0_FIFO_EMPTY_EN     BIT(24)
#define INT_ENABLE_D0_DMA_DONE_EN       BIT(16)
#define INT_ENABLE_D0_DMA_ERR_EN        BIT(8)
#define INT_ENABLE_D0_VS_BLANK_EN       BIT(2)
#define INT_ENABLE_D0_UNDERRUN_EN       BIT(1)
#define INT_ENABLE_D0_VSYNC_EN          BIT(0)

#define INT_STATUS_D1_PLANE_PANIC       BIT(0)

#define INT_ENABLE_D1_PLANE_PANIC_EN    BIT(0)

#define CTRLDESCL0_1_HEIGHT(n)          (((n) & 0xffff) << 16)
#define CTRLDESCL0_1_HEIGHT_MASK        GENMASK(31, 16)
#define CTRLDESCL0_1_WIDTH(n)           ((n) & 0xffff)
#define CTRLDESCL0_1_WIDTH_MASK         GENMASK(15, 0)

#define CTRLDESCL0_3_P_SIZE(n)          (((n) << 20) & CTRLDESCL0_3_P_SIZE_MASK)
#define CTRLDESCL0_3_P_SIZE_MASK        GENMASK(22, 20)
#define CTRLDESCL0_3_T_SIZE(n)          (((n) << 16) & CTRLDESCL0_3_T_SIZE_MASK)
#define CTRLDESCL0_3_T_SIZE_MASK        GENMASK(17, 16)
#define CTRLDESCL0_3_PITCH(n)           ((n) & 0xffff)
#define CTRLDESCL0_3_PITCH_MASK         GENMASK(15, 0)

#define CTRLDESCL_HIGH0_4_ADDR_HIGH(n)  ((n) & 0xf)
#define CTRLDESCL_HIGH0_4_ADDR_HIGH_MASK        GENMASK(3, 0)

#define CTRLDESCL0_5_EN                 BIT(31)
#define CTRLDESCL0_5_SHADOW_LOAD_EN     BIT(30)
#define CTRLDESCL0_5_BPP_16_RGB565      (0x4 << 24)
#define CTRLDESCL0_5_BPP_16_ARGB1555    (0x5 << 24)
#define CTRLDESCL0_5_BPP_16_ARGB4444    (0x6 << 24)
#define CTRLDESCL0_5_BPP_YCbCr422       (0x7 << 24)
#define CTRLDESCL0_5_BPP_24_RGB888      (0x8 << 24)
#define CTRLDESCL0_5_BPP_32_ARGB8888    (0x9 << 24)
#define CTRLDESCL0_5_BPP_32_ABGR8888    (0xa << 24)
#define CTRLDESCL0_5_BPP_MASK           GENMASK(27, 24)
#define CTRLDESCL0_5_YUV_FORMAT_Y2VY1U  (0x0 << 14)
#define CTRLDESCL0_5_YUV_FORMAT_Y2UY1V  (0x1 << 14)
#define CTRLDESCL0_5_YUV_FORMAT_VY2UY1  (0x2 << 14)
#define CTRLDESCL0_5_YUV_FORMAT_UY2VY1  (0x3 << 14)
#define CTRLDESCL0_5_YUV_FORMAT_MASK    GENMASK(15, 14)

#define CSC0_CTRL_CSC_MODE_YUV2RGB      (0x0 << 1)
#define CSC0_CTRL_CSC_MODE_YCbCr2RGB    (0x1 << 1)
#define CSC0_CTRL_CSC_MODE_RGB2YUV      (0x2 << 1)
#define CSC0_CTRL_CSC_MODE_RGB2YCbCr    (0x3 << 1)
#define CSC0_CTRL_CSC_MODE_MASK         GENMASK(2, 1)
#define CSC0_CTRL_BYPASS                BIT(0)

#define CSC0_COEF0_A2(n)                (((n) << 16) & CSC0_COEF0_A2_MASK)
#define CSC0_COEF0_A2_MASK              GENMASK(26, 16)
#define CSC0_COEF0_A1(n)                ((n) & CSC0_COEF0_A1_MASK)
#define CSC0_COEF0_A1_MASK              GENMASK(10, 0)

#define CSC0_COEF1_B1(n)                (((n) << 16) & CSC0_COEF1_B1_MASK)
#define CSC0_COEF1_B1_MASK              GENMASK(26, 16)
#define CSC0_COEF1_A3(n)                ((n) & CSC0_COEF1_A3_MASK)
#define CSC0_COEF1_A3_MASK              GENMASK(10, 0)

#define CSC0_COEF2_B3(n)                (((n) << 16) & CSC0_COEF2_B3_MASK)
#define CSC0_COEF2_B3_MASK              GENMASK(26, 16)
#define CSC0_COEF2_B2(n)                ((n) & CSC0_COEF2_B2_MASK)
#define CSC0_COEF2_B2_MASK              GENMASK(10, 0)

#define CSC0_COEF3_C2(n)                (((n) << 16) & CSC0_COEF3_C2_MASK)
#define CSC0_COEF3_C2_MASK              GENMASK(26, 16)
#define CSC0_COEF3_C1(n)                ((n) & CSC0_COEF3_C1_MASK)
#define CSC0_COEF3_C1_MASK              GENMASK(10, 0)

#define CSC0_COEF4_D1(n)                (((n) << 16) & CSC0_COEF4_D1_MASK)
#define CSC0_COEF4_D1_MASK              GENMASK(24, 16)
#define CSC0_COEF4_C3(n)                ((n) & CSC0_COEF4_C3_MASK)
#define CSC0_COEF4_C3_MASK              GENMASK(10, 0)

#define CSC0_COEF5_D3(n)                (((n) << 16) & CSC0_COEF5_D3_MASK)
#define CSC0_COEF5_D3_MASK              GENMASK(24, 16)
#define CSC0_COEF5_D2(n)                ((n) & CSC0_COEF5_D2_MASK)
#define CSC0_COEF5_D2_MASK              GENMASK(8, 0)

#define PANIC0_THRES_LOW_MASK           GENMASK(24, 16)
#define PANIC0_THRES_HIGH_MASK          GENMASK(8, 0)
#define PANIC0_THRES_MAX                511

#define LCDIF_MIN_XRES                  120
#define LCDIF_MIN_YRES                  120
#define LCDIF_MAX_XRES                  0xffff
#define LCDIF_MAX_YRES                  0xffff

#endif /* __LCDIF_REGS_H__ */