1/* 2 * Copyright (C) 2010 Juergen Beisert, Pengutronix 3 * Copyright (C) 2016 Marek Vasut <marex@denx.de> 4 * 5 * i.MX23/i.MX28/i.MX6SX MXSFB LCD controller driver. 6 * 7 * This program is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU General Public License 9 * as published by the Free Software Foundation; either version 2 10 * of the License, or (at your option) any later version. 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 */ 16 17#ifndef __MXSFB_REGS_H__ 18#define __MXSFB_REGS_H__ 19 20#define REG_SET 4 21#define REG_CLR 8 22 23#define LCDC_CTRL 0x00 24#define LCDC_CTRL1 0x10 25#define LCDC_V3_TRANSFER_COUNT 0x20 26#define LCDC_V4_TRANSFER_COUNT 0x30 27#define LCDC_V4_CUR_BUF 0x40 28#define LCDC_V4_NEXT_BUF 0x50 29#define LCDC_V3_CUR_BUF 0x30 30#define LCDC_V3_NEXT_BUF 0x40 31#define LCDC_VDCTRL0 0x70 32#define LCDC_VDCTRL1 0x80 33#define LCDC_VDCTRL2 0x90 34#define LCDC_VDCTRL3 0xa0 35#define LCDC_VDCTRL4 0xb0 36#define LCDC_V4_DEBUG0 0x1d0 37#define LCDC_V3_DEBUG0 0x1f0 38 39#define CTRL_SFTRST (1 << 31) 40#define CTRL_CLKGATE (1 << 30) 41#define CTRL_BYPASS_COUNT (1 << 19) 42#define CTRL_VSYNC_MODE (1 << 18) 43#define CTRL_DOTCLK_MODE (1 << 17) 44#define CTRL_DATA_SELECT (1 << 16) 45#define CTRL_SET_BUS_WIDTH(x) (((x) & 0x3) << 10) 46#define CTRL_GET_BUS_WIDTH(x) (((x) >> 10) & 0x3) 47#define CTRL_BUS_WIDTH_MASK (0x3 << 10) 48#define CTRL_SET_WORD_LENGTH(x) (((x) & 0x3) << 8) 49#define CTRL_GET_WORD_LENGTH(x) (((x) >> 8) & 0x3) 50#define CTRL_MASTER (1 << 5) 51#define CTRL_DF16 (1 << 3) 52#define CTRL_DF18 (1 << 2) 53#define CTRL_DF24 (1 << 1) 54#define CTRL_RUN (1 << 0) 55 56#define CTRL1_FIFO_CLEAR (1 << 21) 57#define CTRL1_SET_BYTE_PACKAGING(x) (((x) & 0xf) << 16) 58#define CTRL1_GET_BYTE_PACKAGING(x) (((x) >> 16) & 0xf) 59#define CTRL1_CUR_FRAME_DONE_IRQ_EN (1 << 13) 60#define CTRL1_CUR_FRAME_DONE_IRQ (1 << 9) 61 62#define TRANSFER_COUNT_SET_VCOUNT(x) (((x) & 0xffff) << 16) 63#define TRANSFER_COUNT_GET_VCOUNT(x) (((x) >> 16) & 0xffff) 64#define TRANSFER_COUNT_SET_HCOUNT(x) ((x) & 0xffff) 65#define TRANSFER_COUNT_GET_HCOUNT(x) ((x) & 0xffff) 66 67#define VDCTRL0_ENABLE_PRESENT (1 << 28) 68#define VDCTRL0_VSYNC_ACT_HIGH (1 << 27) 69#define VDCTRL0_HSYNC_ACT_HIGH (1 << 26) 70#define VDCTRL0_DOTCLK_ACT_FALLING (1 << 25) 71#define VDCTRL0_ENABLE_ACT_HIGH (1 << 24) 72#define VDCTRL0_VSYNC_PERIOD_UNIT (1 << 21) 73#define VDCTRL0_VSYNC_PULSE_WIDTH_UNIT (1 << 20) 74#define VDCTRL0_HALF_LINE (1 << 19) 75#define VDCTRL0_HALF_LINE_MODE (1 << 18) 76#define VDCTRL0_SET_VSYNC_PULSE_WIDTH(x) ((x) & 0x3ffff) 77#define VDCTRL0_GET_VSYNC_PULSE_WIDTH(x) ((x) & 0x3ffff) 78 79#define VDCTRL2_SET_HSYNC_PERIOD(x) ((x) & 0x3ffff) 80#define VDCTRL2_GET_HSYNC_PERIOD(x) ((x) & 0x3ffff) 81 82#define VDCTRL3_MUX_SYNC_SIGNALS (1 << 29) 83#define VDCTRL3_VSYNC_ONLY (1 << 28) 84#define SET_HOR_WAIT_CNT(x) (((x) & 0xfff) << 16) 85#define GET_HOR_WAIT_CNT(x) (((x) >> 16) & 0xfff) 86#define SET_VERT_WAIT_CNT(x) ((x) & 0xffff) 87#define GET_VERT_WAIT_CNT(x) ((x) & 0xffff) 88 89#define VDCTRL4_SET_DOTCLK_DLY(x) (((x) & 0x7) << 29) /* v4 only */ 90#define VDCTRL4_GET_DOTCLK_DLY(x) (((x) >> 29) & 0x7) /* v4 only */ 91#define VDCTRL4_SYNC_SIGNALS_ON (1 << 18) 92#define SET_DOTCLK_H_VALID_DATA_CNT(x) ((x) & 0x3ffff) 93 94#define DEBUG0_HSYNC (1 < 26) 95#define DEBUG0_VSYNC (1 < 25) 96 97#define MXSFB_MIN_XRES 120 98#define MXSFB_MIN_YRES 120 99#define MXSFB_MAX_XRES 0xffff 100#define MXSFB_MAX_YRES 0xffff 101 102#define RED 0 103#define GREEN 1 104#define BLUE 2 105#define TRANSP 3 106 107#define STMLCDIF_8BIT 1 /* pixel data bus to the display is of 8 bit width */ 108#define STMLCDIF_16BIT 0 /* pixel data bus to the display is of 16 bit width */ 109#define STMLCDIF_18BIT 2 /* pixel data bus to the display is of 18 bit width */ 110#define STMLCDIF_24BIT 3 /* pixel data bus to the display is of 24 bit width */ 111 112#define MXSFB_SYNC_DATA_ENABLE_HIGH_ACT (1 << 6) 113#define MXSFB_SYNC_DOTCLK_FALLING_ACT (1 << 7) /* negative edge sampling */ 114 115#endif /* __MXSFB_REGS_H__ */ 116