tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/* SPDX-License-Identifier: GPL-2.0-or-later */
2/*
3 * Copyright (C) 2010 Juergen Beisert, Pengutronix
4 * Copyright (C) 2016 Marek Vasut <marex@denx.de>
5 *
6 * i.MX23/i.MX28/i.MX6SX MXSFB LCD controller driver.
7 */
8
9#ifndef __MXSFB_REGS_H__
10#define __MXSFB_REGS_H__
11
12#define REG_SET 4
13#define REG_CLR 8
14
15#define LCDC_CTRL 0x00
16#define LCDC_CTRL1 0x10
17#define LCDC_V3_TRANSFER_COUNT 0x20
18#define LCDC_V4_TRANSFER_COUNT 0x30
19#define LCDC_V4_CUR_BUF 0x40
20#define LCDC_V4_NEXT_BUF 0x50
21#define LCDC_V3_CUR_BUF 0x30
22#define LCDC_V3_NEXT_BUF 0x40
23#define LCDC_VDCTRL0 0x70
24#define LCDC_VDCTRL1 0x80
25#define LCDC_VDCTRL2 0x90
26#define LCDC_VDCTRL3 0xa0
27#define LCDC_VDCTRL4 0xb0
28#define LCDC_V4_DEBUG0 0x1d0
29#define LCDC_V3_DEBUG0 0x1f0
30
31#define CTRL_SFTRST (1 << 31)
32#define CTRL_CLKGATE (1 << 30)
33#define CTRL_BYPASS_COUNT (1 << 19)
34#define CTRL_VSYNC_MODE (1 << 18)
35#define CTRL_DOTCLK_MODE (1 << 17)
36#define CTRL_DATA_SELECT (1 << 16)
37#define CTRL_SET_BUS_WIDTH(x) (((x) & 0x3) << 10)
38#define CTRL_GET_BUS_WIDTH(x) (((x) >> 10) & 0x3)
39#define CTRL_BUS_WIDTH_MASK (0x3 << 10)
40#define CTRL_SET_WORD_LENGTH(x) (((x) & 0x3) << 8)
41#define CTRL_GET_WORD_LENGTH(x) (((x) >> 8) & 0x3)
42#define CTRL_MASTER (1 << 5)
43#define CTRL_DF16 (1 << 3)
44#define CTRL_DF18 (1 << 2)
45#define CTRL_DF24 (1 << 1)
46#define CTRL_RUN (1 << 0)
47
48#define CTRL1_FIFO_CLEAR (1 << 21)
49#define CTRL1_SET_BYTE_PACKAGING(x) (((x) & 0xf) << 16)
50#define CTRL1_GET_BYTE_PACKAGING(x) (((x) >> 16) & 0xf)
51#define CTRL1_CUR_FRAME_DONE_IRQ_EN (1 << 13)
52#define CTRL1_CUR_FRAME_DONE_IRQ (1 << 9)
53
54#define TRANSFER_COUNT_SET_VCOUNT(x) (((x) & 0xffff) << 16)
55#define TRANSFER_COUNT_GET_VCOUNT(x) (((x) >> 16) & 0xffff)
56#define TRANSFER_COUNT_SET_HCOUNT(x) ((x) & 0xffff)
57#define TRANSFER_COUNT_GET_HCOUNT(x) ((x) & 0xffff)
58
59#define VDCTRL0_ENABLE_PRESENT (1 << 28)
60#define VDCTRL0_VSYNC_ACT_HIGH (1 << 27)
61#define VDCTRL0_HSYNC_ACT_HIGH (1 << 26)
62#define VDCTRL0_DOTCLK_ACT_FALLING (1 << 25)
63#define VDCTRL0_ENABLE_ACT_HIGH (1 << 24)
64#define VDCTRL0_VSYNC_PERIOD_UNIT (1 << 21)
65#define VDCTRL0_VSYNC_PULSE_WIDTH_UNIT (1 << 20)
66#define VDCTRL0_HALF_LINE (1 << 19)
67#define VDCTRL0_HALF_LINE_MODE (1 << 18)
68#define VDCTRL0_SET_VSYNC_PULSE_WIDTH(x) ((x) & 0x3ffff)
69#define VDCTRL0_GET_VSYNC_PULSE_WIDTH(x) ((x) & 0x3ffff)
70
71#define VDCTRL2_SET_HSYNC_PERIOD(x) ((x) & 0x3ffff)
72#define VDCTRL2_GET_HSYNC_PERIOD(x) ((x) & 0x3ffff)
73
74#define VDCTRL3_MUX_SYNC_SIGNALS (1 << 29)
75#define VDCTRL3_VSYNC_ONLY (1 << 28)
76#define SET_HOR_WAIT_CNT(x) (((x) & 0xfff) << 16)
77#define GET_HOR_WAIT_CNT(x) (((x) >> 16) & 0xfff)
78#define SET_VERT_WAIT_CNT(x) ((x) & 0xffff)
79#define GET_VERT_WAIT_CNT(x) ((x) & 0xffff)
80
81#define VDCTRL4_SET_DOTCLK_DLY(x) (((x) & 0x7) << 29) /* v4 only */
82#define VDCTRL4_GET_DOTCLK_DLY(x) (((x) >> 29) & 0x7) /* v4 only */
83#define VDCTRL4_SYNC_SIGNALS_ON (1 << 18)
84#define SET_DOTCLK_H_VALID_DATA_CNT(x) ((x) & 0x3ffff)
85
86#define DEBUG0_HSYNC (1 < 26)
87#define DEBUG0_VSYNC (1 < 25)
88
89#define MXSFB_MIN_XRES 120
90#define MXSFB_MIN_YRES 120
91#define MXSFB_MAX_XRES 0xffff
92#define MXSFB_MAX_YRES 0xffff
93
94#define RED 0
95#define GREEN 1
96#define BLUE 2
97#define TRANSP 3
98
99#define STMLCDIF_8BIT 1 /* pixel data bus to the display is of 8 bit width */
100#define STMLCDIF_16BIT 0 /* pixel data bus to the display is of 16 bit width */
101#define STMLCDIF_18BIT 2 /* pixel data bus to the display is of 18 bit width */
102#define STMLCDIF_24BIT 3 /* pixel data bus to the display is of 24 bit width */
103
104#define MXSFB_SYNC_DATA_ENABLE_HIGH_ACT (1 << 6)
105#define MXSFB_SYNC_DOTCLK_FALLING_ACT (1 << 7) /* negative edge sampling */
106
107#endif /* __MXSFB_REGS_H__ */