xref: /openbmc/linux/drivers/gpu/drm/mxsfb/mxsfb_regs.h (revision 05ecc678)
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_CTRL2			0x20
19 #define LCDC_V4_TRANSFER_COUNT		0x30
20 #define LCDC_V4_CUR_BUF			0x40
21 #define LCDC_V4_NEXT_BUF		0x50
22 #define LCDC_V3_CUR_BUF			0x30
23 #define LCDC_V3_NEXT_BUF		0x40
24 #define LCDC_VDCTRL0			0x70
25 #define LCDC_VDCTRL1			0x80
26 #define LCDC_VDCTRL2			0x90
27 #define LCDC_VDCTRL3			0xa0
28 #define LCDC_VDCTRL4			0xb0
29 #define LCDC_V4_CRC_STAT		0x1a0
30 #define LCDC_V4_DEBUG0			0x1d0
31 #define LCDC_V3_DEBUG0			0x1f0
32 #define LCDC_AS_CTRL			0x210
33 #define LCDC_AS_BUF			0x220
34 #define LCDC_AS_NEXT_BUF		0x230
35 #define LCDC_AS_CLRKEYLOW		0x240
36 #define LCDC_AS_CLRKEYHIGH		0x250
37 
38 #define CTRL_SFTRST			BIT(31)
39 #define CTRL_CLKGATE			BIT(30)
40 #define CTRL_BYPASS_COUNT		BIT(19)
41 #define CTRL_VSYNC_MODE			BIT(18)
42 #define CTRL_DOTCLK_MODE		BIT(17)
43 #define CTRL_DATA_SELECT		BIT(16)
44 #define CTRL_BUS_WIDTH_16		(0 << 10)
45 #define CTRL_BUS_WIDTH_8		(1 << 10)
46 #define CTRL_BUS_WIDTH_18		(2 << 10)
47 #define CTRL_BUS_WIDTH_24		(3 << 10)
48 #define CTRL_BUS_WIDTH_MASK		(0x3 << 10)
49 #define CTRL_WORD_LENGTH_16		(0 << 8)
50 #define CTRL_WORD_LENGTH_8		(1 << 8)
51 #define CTRL_WORD_LENGTH_18		(2 << 8)
52 #define CTRL_WORD_LENGTH_24		(3 << 8)
53 #define CTRL_MASTER			BIT(5)
54 #define CTRL_DF16			BIT(3)
55 #define CTRL_DF18			BIT(2)
56 #define CTRL_DF24			BIT(1)
57 #define CTRL_RUN			BIT(0)
58 
59 #define CTRL1_RECOVER_ON_UNDERFLOW	BIT(24)
60 #define CTRL1_FIFO_CLEAR		BIT(21)
61 #define CTRL1_SET_BYTE_PACKAGING(x)	(((x) & 0xf) << 16)
62 #define CTRL1_GET_BYTE_PACKAGING(x)	(((x) >> 16) & 0xf)
63 #define CTRL1_CUR_FRAME_DONE_IRQ_EN	BIT(13)
64 #define CTRL1_CUR_FRAME_DONE_IRQ	BIT(9)
65 
66 #define CTRL2_SET_OUTSTANDING_REQS_1	0
67 #define CTRL2_SET_OUTSTANDING_REQS_2	(0x1 << 21)
68 #define CTRL2_SET_OUTSTANDING_REQS_4	(0x2 << 21)
69 #define CTRL2_SET_OUTSTANDING_REQS_8	(0x3 << 21)
70 #define CTRL2_SET_OUTSTANDING_REQS_16	(0x4 << 21)
71 #define CTRL2_SET_OUTSTANDING_REQS_MASK	(0x7 << 21)
72 
73 #define TRANSFER_COUNT_SET_VCOUNT(x)	(((x) & 0xffff) << 16)
74 #define TRANSFER_COUNT_GET_VCOUNT(x)	(((x) >> 16) & 0xffff)
75 #define TRANSFER_COUNT_SET_HCOUNT(x)	((x) & 0xffff)
76 #define TRANSFER_COUNT_GET_HCOUNT(x)	((x) & 0xffff)
77 
78 #define VDCTRL0_ENABLE_PRESENT		BIT(28)
79 #define VDCTRL0_VSYNC_ACT_HIGH		BIT(27)
80 #define VDCTRL0_HSYNC_ACT_HIGH		BIT(26)
81 #define VDCTRL0_DOTCLK_ACT_FALLING	BIT(25)
82 #define VDCTRL0_ENABLE_ACT_HIGH		BIT(24)
83 #define VDCTRL0_VSYNC_PERIOD_UNIT	BIT(21)
84 #define VDCTRL0_VSYNC_PULSE_WIDTH_UNIT	BIT(20)
85 #define VDCTRL0_HALF_LINE		BIT(19)
86 #define VDCTRL0_HALF_LINE_MODE		BIT(18)
87 #define VDCTRL0_SET_VSYNC_PULSE_WIDTH(x) ((x) & 0x3ffff)
88 #define VDCTRL0_GET_VSYNC_PULSE_WIDTH(x) ((x) & 0x3ffff)
89 
90 #define VDCTRL2_SET_HSYNC_PERIOD(x)	((x) & 0x3ffff)
91 #define VDCTRL2_GET_HSYNC_PERIOD(x)	((x) & 0x3ffff)
92 
93 #define VDCTRL3_MUX_SYNC_SIGNALS	BIT(29)
94 #define VDCTRL3_VSYNC_ONLY		BIT(28)
95 #define SET_HOR_WAIT_CNT(x)		(((x) & 0xfff) << 16)
96 #define GET_HOR_WAIT_CNT(x)		(((x) >> 16) & 0xfff)
97 #define SET_VERT_WAIT_CNT(x)		((x) & 0xffff)
98 #define GET_VERT_WAIT_CNT(x)		((x) & 0xffff)
99 
100 #define VDCTRL4_SET_DOTCLK_DLY(x)	(((x) & 0x7) << 29) /* v4 only */
101 #define VDCTRL4_GET_DOTCLK_DLY(x)	(((x) >> 29) & 0x7) /* v4 only */
102 #define VDCTRL4_SYNC_SIGNALS_ON		BIT(18)
103 #define SET_DOTCLK_H_VALID_DATA_CNT(x)	((x) & 0x3ffff)
104 
105 #define DEBUG0_HSYNC			BIT(26)
106 #define DEBUG0_VSYNC			BIT(25)
107 
108 #define AS_CTRL_PS_DISABLE		BIT(23)
109 #define AS_CTRL_ALPHA_INVERT		BIT(20)
110 #define AS_CTRL_ALPHA(a)		(((a) & 0xff) << 8)
111 #define AS_CTRL_FORMAT_RGB565		(0xe << 4)
112 #define AS_CTRL_FORMAT_RGB444		(0xd << 4)
113 #define AS_CTRL_FORMAT_RGB555		(0xc << 4)
114 #define AS_CTRL_FORMAT_ARGB4444		(0x9 << 4)
115 #define AS_CTRL_FORMAT_ARGB1555		(0x8 << 4)
116 #define AS_CTRL_FORMAT_RGB888		(0x4 << 4)
117 #define AS_CTRL_FORMAT_ARGB8888		(0x0 << 4)
118 #define AS_CTRL_ENABLE_COLORKEY		BIT(3)
119 #define AS_CTRL_ALPHA_CTRL_ROP		(3 << 1)
120 #define AS_CTRL_ALPHA_CTRL_MULTIPLY	(2 << 1)
121 #define AS_CTRL_ALPHA_CTRL_OVERRIDE	(1 << 1)
122 #define AS_CTRL_ALPHA_CTRL_EMBEDDED	(0 << 1)
123 #define AS_CTRL_AS_ENABLE		BIT(0)
124 
125 #define MXSFB_MIN_XRES			120
126 #define MXSFB_MIN_YRES			120
127 #define MXSFB_MAX_XRES			0xffff
128 #define MXSFB_MAX_YRES			0xffff
129 
130 #endif /* __MXSFB_REGS_H__ */
131