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