xref: /OK3568_Linux_fs/kernel/drivers/gpu/drm/arm/hdlcd_regs.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  * Copyright (C) 2013,2014 ARM Limited
3*4882a593Smuzhiyun  *
4*4882a593Smuzhiyun  * This file is subject to the terms and conditions of the GNU General Public
5*4882a593Smuzhiyun  * License.  See the file COPYING in the main directory of this archive
6*4882a593Smuzhiyun  * for more details.
7*4882a593Smuzhiyun  *
8*4882a593Smuzhiyun  *  ARM HDLCD Controller register definition
9*4882a593Smuzhiyun  */
10*4882a593Smuzhiyun 
11*4882a593Smuzhiyun #ifndef __HDLCD_REGS_H__
12*4882a593Smuzhiyun #define __HDLCD_REGS_H__
13*4882a593Smuzhiyun 
14*4882a593Smuzhiyun /* register offsets */
15*4882a593Smuzhiyun #define HDLCD_REG_VERSION		0x0000	/* ro */
16*4882a593Smuzhiyun #define HDLCD_REG_INT_RAWSTAT		0x0010	/* rw */
17*4882a593Smuzhiyun #define HDLCD_REG_INT_CLEAR		0x0014	/* wo */
18*4882a593Smuzhiyun #define HDLCD_REG_INT_MASK		0x0018	/* rw */
19*4882a593Smuzhiyun #define HDLCD_REG_INT_STATUS		0x001c	/* ro */
20*4882a593Smuzhiyun #define HDLCD_REG_FB_BASE		0x0100	/* rw */
21*4882a593Smuzhiyun #define HDLCD_REG_FB_LINE_LENGTH	0x0104	/* rw */
22*4882a593Smuzhiyun #define HDLCD_REG_FB_LINE_COUNT		0x0108	/* rw */
23*4882a593Smuzhiyun #define HDLCD_REG_FB_LINE_PITCH		0x010c	/* rw */
24*4882a593Smuzhiyun #define HDLCD_REG_BUS_OPTIONS		0x0110	/* rw */
25*4882a593Smuzhiyun #define HDLCD_REG_V_SYNC		0x0200	/* rw */
26*4882a593Smuzhiyun #define HDLCD_REG_V_BACK_PORCH		0x0204	/* rw */
27*4882a593Smuzhiyun #define HDLCD_REG_V_DATA		0x0208	/* rw */
28*4882a593Smuzhiyun #define HDLCD_REG_V_FRONT_PORCH		0x020c	/* rw */
29*4882a593Smuzhiyun #define HDLCD_REG_H_SYNC		0x0210	/* rw */
30*4882a593Smuzhiyun #define HDLCD_REG_H_BACK_PORCH		0x0214	/* rw */
31*4882a593Smuzhiyun #define HDLCD_REG_H_DATA		0x0218	/* rw */
32*4882a593Smuzhiyun #define HDLCD_REG_H_FRONT_PORCH		0x021c	/* rw */
33*4882a593Smuzhiyun #define HDLCD_REG_POLARITIES		0x0220	/* rw */
34*4882a593Smuzhiyun #define HDLCD_REG_COMMAND		0x0230	/* rw */
35*4882a593Smuzhiyun #define HDLCD_REG_PIXEL_FORMAT		0x0240	/* rw */
36*4882a593Smuzhiyun #define HDLCD_REG_RED_SELECT		0x0244	/* rw */
37*4882a593Smuzhiyun #define HDLCD_REG_GREEN_SELECT		0x0248	/* rw */
38*4882a593Smuzhiyun #define HDLCD_REG_BLUE_SELECT		0x024c	/* rw */
39*4882a593Smuzhiyun 
40*4882a593Smuzhiyun /* version */
41*4882a593Smuzhiyun #define HDLCD_PRODUCT_ID		0x1CDC0000
42*4882a593Smuzhiyun #define HDLCD_PRODUCT_MASK		0xFFFF0000
43*4882a593Smuzhiyun #define HDLCD_VERSION_MAJOR_MASK	0x0000FF00
44*4882a593Smuzhiyun #define HDLCD_VERSION_MINOR_MASK	0x000000FF
45*4882a593Smuzhiyun 
46*4882a593Smuzhiyun /* interrupts */
47*4882a593Smuzhiyun #define HDLCD_INTERRUPT_DMA_END		(1 << 0)
48*4882a593Smuzhiyun #define HDLCD_INTERRUPT_BUS_ERROR	(1 << 1)
49*4882a593Smuzhiyun #define HDLCD_INTERRUPT_VSYNC		(1 << 2)
50*4882a593Smuzhiyun #define HDLCD_INTERRUPT_UNDERRUN	(1 << 3)
51*4882a593Smuzhiyun #define HDLCD_DEBUG_INT_MASK		(HDLCD_INTERRUPT_DMA_END |  \
52*4882a593Smuzhiyun 					HDLCD_INTERRUPT_BUS_ERROR | \
53*4882a593Smuzhiyun 					HDLCD_INTERRUPT_UNDERRUN)
54*4882a593Smuzhiyun 
55*4882a593Smuzhiyun /* polarities */
56*4882a593Smuzhiyun #define HDLCD_POLARITY_VSYNC		(1 << 0)
57*4882a593Smuzhiyun #define HDLCD_POLARITY_HSYNC		(1 << 1)
58*4882a593Smuzhiyun #define HDLCD_POLARITY_DATAEN		(1 << 2)
59*4882a593Smuzhiyun #define HDLCD_POLARITY_DATA		(1 << 3)
60*4882a593Smuzhiyun #define HDLCD_POLARITY_PIXELCLK		(1 << 4)
61*4882a593Smuzhiyun 
62*4882a593Smuzhiyun /* commands */
63*4882a593Smuzhiyun #define HDLCD_COMMAND_DISABLE		(0 << 0)
64*4882a593Smuzhiyun #define HDLCD_COMMAND_ENABLE		(1 << 0)
65*4882a593Smuzhiyun 
66*4882a593Smuzhiyun /* pixel format */
67*4882a593Smuzhiyun #define HDLCD_PIXEL_FMT_LITTLE_ENDIAN	(0 << 31)
68*4882a593Smuzhiyun #define HDLCD_PIXEL_FMT_BIG_ENDIAN	(1 << 31)
69*4882a593Smuzhiyun #define HDLCD_BYTES_PER_PIXEL_MASK	(3 << 3)
70*4882a593Smuzhiyun 
71*4882a593Smuzhiyun /* bus options */
72*4882a593Smuzhiyun #define HDLCD_BUS_BURST_MASK		0x01f
73*4882a593Smuzhiyun #define HDLCD_BUS_MAX_OUTSTAND		0xf00
74*4882a593Smuzhiyun #define HDLCD_BUS_BURST_NONE		(0 << 0)
75*4882a593Smuzhiyun #define HDLCD_BUS_BURST_1		(1 << 0)
76*4882a593Smuzhiyun #define HDLCD_BUS_BURST_2		(1 << 1)
77*4882a593Smuzhiyun #define HDLCD_BUS_BURST_4		(1 << 2)
78*4882a593Smuzhiyun #define HDLCD_BUS_BURST_8		(1 << 3)
79*4882a593Smuzhiyun #define HDLCD_BUS_BURST_16		(1 << 4)
80*4882a593Smuzhiyun 
81*4882a593Smuzhiyun /* Max resolution supported is 4096x4096, 32bpp */
82*4882a593Smuzhiyun #define HDLCD_MAX_XRES			4096
83*4882a593Smuzhiyun #define HDLCD_MAX_YRES			4096
84*4882a593Smuzhiyun 
85*4882a593Smuzhiyun #define NR_PALETTE			256
86*4882a593Smuzhiyun 
87*4882a593Smuzhiyun #endif /* __HDLCD_REGS_H__ */
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