xref: /openbmc/linux/drivers/gpu/drm/mxsfb/mxsfb_regs.h (revision 842ed298)
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 #define LCDC_AS_CTRL			0x210
31 #define LCDC_AS_BUF			0x220
32 #define LCDC_AS_NEXT_BUF		0x230
33 #define LCDC_AS_CLRKEYLOW		0x240
34 #define LCDC_AS_CLRKEYHIGH		0x250
35 
36 #define CTRL_SFTRST			BIT(31)
37 #define CTRL_CLKGATE			BIT(30)
38 #define CTRL_BYPASS_COUNT		BIT(19)
39 #define CTRL_VSYNC_MODE			BIT(18)
40 #define CTRL_DOTCLK_MODE		BIT(17)
41 #define CTRL_DATA_SELECT		BIT(16)
42 #define CTRL_BUS_WIDTH_16		(0 << 10)
43 #define CTRL_BUS_WIDTH_8		(1 << 10)
44 #define CTRL_BUS_WIDTH_18		(2 << 10)
45 #define CTRL_BUS_WIDTH_24		(3 << 10)
46 #define CTRL_BUS_WIDTH_MASK		(0x3 << 10)
47 #define CTRL_WORD_LENGTH_16		(0 << 8)
48 #define CTRL_WORD_LENGTH_8		(1 << 8)
49 #define CTRL_WORD_LENGTH_18		(2 << 8)
50 #define CTRL_WORD_LENGTH_24		(3 << 8)
51 #define CTRL_MASTER			BIT(5)
52 #define CTRL_DF16			BIT(3)
53 #define CTRL_DF18			BIT(2)
54 #define CTRL_DF24			BIT(1)
55 #define CTRL_RUN			BIT(0)
56 
57 #define CTRL1_FIFO_CLEAR		BIT(21)
58 #define CTRL1_SET_BYTE_PACKAGING(x)	(((x) & 0xf) << 16)
59 #define CTRL1_GET_BYTE_PACKAGING(x)	(((x) >> 16) & 0xf)
60 #define CTRL1_CUR_FRAME_DONE_IRQ_EN	BIT(13)
61 #define CTRL1_CUR_FRAME_DONE_IRQ	BIT(9)
62 
63 #define TRANSFER_COUNT_SET_VCOUNT(x)	(((x) & 0xffff) << 16)
64 #define TRANSFER_COUNT_GET_VCOUNT(x)	(((x) >> 16) & 0xffff)
65 #define TRANSFER_COUNT_SET_HCOUNT(x)	((x) & 0xffff)
66 #define TRANSFER_COUNT_GET_HCOUNT(x)	((x) & 0xffff)
67 
68 #define VDCTRL0_ENABLE_PRESENT		BIT(28)
69 #define VDCTRL0_VSYNC_ACT_HIGH		BIT(27)
70 #define VDCTRL0_HSYNC_ACT_HIGH		BIT(26)
71 #define VDCTRL0_DOTCLK_ACT_FALLING	BIT(25)
72 #define VDCTRL0_ENABLE_ACT_HIGH		BIT(24)
73 #define VDCTRL0_VSYNC_PERIOD_UNIT	BIT(21)
74 #define VDCTRL0_VSYNC_PULSE_WIDTH_UNIT	BIT(20)
75 #define VDCTRL0_HALF_LINE		BIT(19)
76 #define VDCTRL0_HALF_LINE_MODE		BIT(18)
77 #define VDCTRL0_SET_VSYNC_PULSE_WIDTH(x) ((x) & 0x3ffff)
78 #define VDCTRL0_GET_VSYNC_PULSE_WIDTH(x) ((x) & 0x3ffff)
79 
80 #define VDCTRL2_SET_HSYNC_PERIOD(x)	((x) & 0x3ffff)
81 #define VDCTRL2_GET_HSYNC_PERIOD(x)	((x) & 0x3ffff)
82 
83 #define VDCTRL3_MUX_SYNC_SIGNALS	BIT(29)
84 #define VDCTRL3_VSYNC_ONLY		BIT(28)
85 #define SET_HOR_WAIT_CNT(x)		(((x) & 0xfff) << 16)
86 #define GET_HOR_WAIT_CNT(x)		(((x) >> 16) & 0xfff)
87 #define SET_VERT_WAIT_CNT(x)		((x) & 0xffff)
88 #define GET_VERT_WAIT_CNT(x)		((x) & 0xffff)
89 
90 #define VDCTRL4_SET_DOTCLK_DLY(x)	(((x) & 0x7) << 29) /* v4 only */
91 #define VDCTRL4_GET_DOTCLK_DLY(x)	(((x) >> 29) & 0x7) /* v4 only */
92 #define VDCTRL4_SYNC_SIGNALS_ON		BIT(18)
93 #define SET_DOTCLK_H_VALID_DATA_CNT(x)	((x) & 0x3ffff)
94 
95 #define DEBUG0_HSYNC			BIT(26)
96 #define DEBUG0_VSYNC			BIT(25)
97 
98 #define AS_CTRL_PS_DISABLE		BIT(23)
99 #define AS_CTRL_ALPHA_INVERT		BIT(20)
100 #define AS_CTRL_ALPHA(a)		(((a) & 0xff) << 8)
101 #define AS_CTRL_FORMAT_RGB565		(0xe << 4)
102 #define AS_CTRL_FORMAT_RGB444		(0xd << 4)
103 #define AS_CTRL_FORMAT_RGB555		(0xc << 4)
104 #define AS_CTRL_FORMAT_ARGB4444		(0x9 << 4)
105 #define AS_CTRL_FORMAT_ARGB1555		(0x8 << 4)
106 #define AS_CTRL_FORMAT_RGB888		(0x4 << 4)
107 #define AS_CTRL_FORMAT_ARGB8888		(0x0 << 4)
108 #define AS_CTRL_ENABLE_COLORKEY		BIT(3)
109 #define AS_CTRL_ALPHA_CTRL_ROP		(3 << 1)
110 #define AS_CTRL_ALPHA_CTRL_MULTIPLY	(2 << 1)
111 #define AS_CTRL_ALPHA_CTRL_OVERRIDE	(1 << 1)
112 #define AS_CTRL_ALPHA_CTRL_EMBEDDED	(0 << 1)
113 #define AS_CTRL_AS_ENABLE		BIT(0)
114 
115 #define MXSFB_MIN_XRES			120
116 #define MXSFB_MIN_YRES			120
117 #define MXSFB_MAX_XRES			0xffff
118 #define MXSFB_MAX_YRES			0xffff
119 
120 #endif /* __MXSFB_REGS_H__ */
121