1/*
2 *  Header file for AT91/AT32 LCD Controller
3 *
4 *  Data structure and register user interface
5 *
6 *  Copyright (C) 2007 Atmel Corporation
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
21 */
22#ifndef __ATMEL_LCDC_H__
23#define __ATMEL_LCDC_H__
24
25 /* LCD Controller info data structure */
26struct atmel_lcdfb_info {
27	spinlock_t		lock;
28	struct fb_info		*info;
29	void __iomem		*mmio;
30	unsigned long		irq_base;
31
32	unsigned int		guard_time;
33	struct platform_device	*pdev;
34	struct clk		*bus_clk;
35	struct clk		*lcdc_clk;
36	unsigned int		default_bpp;
37	unsigned int		default_lcdcon2;
38	unsigned int		default_dmacon;
39	void (*atmel_lcdfb_power_control)(int on);
40	struct fb_monspecs	*default_monspecs;
41	u32			pseudo_palette[16];
42};
43
44#define ATMEL_LCDC_DMABADDR1	0x00
45#define ATMEL_LCDC_DMABADDR2	0x04
46#define ATMEL_LCDC_DMAFRMPT1	0x08
47#define ATMEL_LCDC_DMAFRMPT2	0x0c
48#define ATMEL_LCDC_DMAFRMADD1	0x10
49#define ATMEL_LCDC_DMAFRMADD2	0x14
50
51#define ATMEL_LCDC_DMAFRMCFG	0x18
52#define	ATMEL_LCDC_FRSIZE	(0x7fffff <<  0)
53#define	ATMEL_LCDC_BLENGTH_OFFSET	24
54#define	ATMEL_LCDC_BLENGTH	(0x7f     << ATMEL_LCDC_BLENGTH_OFFSET)
55
56#define ATMEL_LCDC_DMACON	0x1c
57#define	ATMEL_LCDC_DMAEN	(0x1 << 0)
58#define	ATMEL_LCDC_DMARST	(0x1 << 1)
59#define	ATMEL_LCDC_DMABUSY	(0x1 << 2)
60#define		ATMEL_LCDC_DMAUPDT	(0x1 << 3)
61#define		ATMEL_LCDC_DMA2DEN	(0x1 << 4)
62
63#define ATMEL_LCDC_DMA2DCFG	0x20
64#define		ATMEL_LCDC_ADDRINC_OFFSET	0
65#define		ATMEL_LCDC_ADDRINC		(0xffff)
66#define		ATMEL_LCDC_PIXELOFF_OFFSET	24
67#define		ATMEL_LCDC_PIXELOFF		(0x1f << 24)
68
69#define ATMEL_LCDC_LCDCON1	0x0800
70#define	ATMEL_LCDC_BYPASS	(1     <<  0)
71#define	ATMEL_LCDC_CLKVAL_OFFSET	12
72#define	ATMEL_LCDC_CLKVAL	(0x1ff << ATMEL_LCDC_CLKVAL_OFFSET)
73#define	ATMEL_LCDC_LINCNT	(0x7ff << 21)
74
75#define ATMEL_LCDC_LCDCON2	0x0804
76#define	ATMEL_LCDC_DISTYPE	(3 << 0)
77#define		ATMEL_LCDC_DISTYPE_STNMONO	(0 << 0)
78#define		ATMEL_LCDC_DISTYPE_STNCOLOR	(1 << 0)
79#define		ATMEL_LCDC_DISTYPE_TFT		(2 << 0)
80#define	ATMEL_LCDC_SCANMOD	(1 << 2)
81#define		ATMEL_LCDC_SCANMOD_SINGLE	(0 << 2)
82#define		ATMEL_LCDC_SCANMOD_DUAL		(1 << 2)
83#define	ATMEL_LCDC_IFWIDTH	(3 << 3)
84#define		ATMEL_LCDC_IFWIDTH_4		(0 << 3)
85#define		ATMEL_LCDC_IFWIDTH_8		(1 << 3)
86#define		ATMEL_LCDC_IFWIDTH_16		(2 << 3)
87#define	ATMEL_LCDC_PIXELSIZE	(7 << 5)
88#define		ATMEL_LCDC_PIXELSIZE_1		(0 << 5)
89#define		ATMEL_LCDC_PIXELSIZE_2		(1 << 5)
90#define		ATMEL_LCDC_PIXELSIZE_4		(2 << 5)
91#define		ATMEL_LCDC_PIXELSIZE_8		(3 << 5)
92#define		ATMEL_LCDC_PIXELSIZE_16		(4 << 5)
93#define		ATMEL_LCDC_PIXELSIZE_24		(5 << 5)
94#define		ATMEL_LCDC_PIXELSIZE_32		(6 << 5)
95#define	ATMEL_LCDC_INVVD	(1 << 8)
96#define		ATMEL_LCDC_INVVD_NORMAL		(0 << 8)
97#define		ATMEL_LCDC_INVVD_INVERTED	(1 << 8)
98#define	ATMEL_LCDC_INVFRAME	(1 << 9 )
99#define		ATMEL_LCDC_INVFRAME_NORMAL	(0 << 9)
100#define		ATMEL_LCDC_INVFRAME_INVERTED	(1 << 9)
101#define	ATMEL_LCDC_INVLINE	(1 << 10)
102#define		ATMEL_LCDC_INVLINE_NORMAL	(0 << 10)
103#define		ATMEL_LCDC_INVLINE_INVERTED	(1 << 10)
104#define	ATMEL_LCDC_INVCLK	(1 << 11)
105#define		ATMEL_LCDC_INVCLK_NORMAL	(0 << 11)
106#define		ATMEL_LCDC_INVCLK_INVERTED	(1 << 11)
107#define	ATMEL_LCDC_INVDVAL	(1 << 12)
108#define		ATMEL_LCDC_INVDVAL_NORMAL	(0 << 12)
109#define		ATMEL_LCDC_INVDVAL_INVERTED	(1 << 12)
110#define	ATMEL_LCDC_CLKMOD	(1 << 15)
111#define		ATMEL_LCDC_CLKMOD_ACTIVEDISPLAY	(0 << 15)
112#define		ATMEL_LCDC_CLKMOD_ALWAYSACTIVE	(1 << 15)
113#define	ATMEL_LCDC_MEMOR	(1 << 31)
114#define		ATMEL_LCDC_MEMOR_BIG		(0 << 31)
115#define		ATMEL_LCDC_MEMOR_LITTLE		(1 << 31)
116
117#define ATMEL_LCDC_TIM1		0x0808
118#define	ATMEL_LCDC_VFP		(0xff <<  0)
119#define	ATMEL_LCDC_VBP_OFFSET		8
120#define	ATMEL_LCDC_VBP		(0xff <<  ATMEL_LCDC_VBP_OFFSET)
121#define	ATMEL_LCDC_VPW_OFFSET		16
122#define	ATMEL_LCDC_VPW		(0x3f << ATMEL_LCDC_VPW_OFFSET)
123#define	ATMEL_LCDC_VHDLY_OFFSET		24
124#define	ATMEL_LCDC_VHDLY	(0xf  << ATMEL_LCDC_VHDLY_OFFSET)
125
126#define ATMEL_LCDC_TIM2		0x080c
127#define	ATMEL_LCDC_HBP		(0xff  <<  0)
128#define	ATMEL_LCDC_HPW_OFFSET		8
129#define	ATMEL_LCDC_HPW		(0x3f  <<  ATMEL_LCDC_HPW_OFFSET)
130#define	ATMEL_LCDC_HFP_OFFSET		21
131#define	ATMEL_LCDC_HFP		(0x7ff << ATMEL_LCDC_HFP_OFFSET)
132
133#define ATMEL_LCDC_LCDFRMCFG	0x0810
134#define	ATMEL_LCDC_LINEVAL	(0x7ff <<  0)
135#define	ATMEL_LCDC_HOZVAL_OFFSET	21
136#define	ATMEL_LCDC_HOZVAL	(0x7ff << ATMEL_LCDC_HOZVAL_OFFSET)
137
138#define ATMEL_LCDC_FIFO		0x0814
139#define	ATMEL_LCDC_FIFOTH	(0xffff)
140
141#define ATMEL_LCDC_MVAL		0x0818
142
143#define ATMEL_LCDC_DP1_2	0x081c
144#define ATMEL_LCDC_DP4_7	0x0820
145#define ATMEL_LCDC_DP3_5	0x0824
146#define ATMEL_LCDC_DP2_3	0x0828
147#define ATMEL_LCDC_DP5_7	0x082c
148#define ATMEL_LCDC_DP3_4	0x0830
149#define ATMEL_LCDC_DP4_5	0x0834
150#define ATMEL_LCDC_DP6_7	0x0838
151#define	ATMEL_LCDC_DP1_2_VAL	(0xff)
152#define	ATMEL_LCDC_DP4_7_VAL	(0xfffffff)
153#define	ATMEL_LCDC_DP3_5_VAL	(0xfffff)
154#define	ATMEL_LCDC_DP2_3_VAL	(0xfff)
155#define	ATMEL_LCDC_DP5_7_VAL	(0xfffffff)
156#define	ATMEL_LCDC_DP3_4_VAL	(0xffff)
157#define	ATMEL_LCDC_DP4_5_VAL	(0xfffff)
158#define	ATMEL_LCDC_DP6_7_VAL	(0xfffffff)
159
160#define ATMEL_LCDC_PWRCON	0x083c
161#define	ATMEL_LCDC_PWR		(1    <<  0)
162#define	ATMEL_LCDC_GUARDT_OFFSET	1
163#define	ATMEL_LCDC_GUARDT	(0x7f <<  ATMEL_LCDC_GUARDT_OFFSET)
164#define	ATMEL_LCDC_BUSY		(1    << 31)
165
166#define ATMEL_LCDC_CONTRAST_CTR	0x0840
167#define	ATMEL_LCDC_PS		(3 << 0)
168#define		ATMEL_LCDC_PS_DIV1		(0 << 0)
169#define		ATMEL_LCDC_PS_DIV2		(1 << 0)
170#define		ATMEL_LCDC_PS_DIV4		(2 << 0)
171#define		ATMEL_LCDC_PS_DIV8		(3 << 0)
172#define	ATMEL_LCDC_POL		(1 << 2)
173#define		ATMEL_LCDC_POL_NEGATIVE		(0 << 2)
174#define		ATMEL_LCDC_POL_POSITIVE		(1 << 2)
175#define	ATMEL_LCDC_ENA		(1 << 3)
176#define		ATMEL_LCDC_ENA_PWMDISABLE	(0 << 3)
177#define		ATMEL_LCDC_ENA_PWMENABLE	(1 << 3)
178
179#define ATMEL_LCDC_CONTRAST_VAL	0x0844
180#define	ATMEL_LCDC_CVAL	(0xff)
181
182#define ATMEL_LCDC_IER		0x0848
183#define ATMEL_LCDC_IDR		0x084c
184#define ATMEL_LCDC_IMR		0x0850
185#define ATMEL_LCDC_ISR		0x0854
186#define ATMEL_LCDC_ICR		0x0858
187#define	ATMEL_LCDC_LNI		(1 << 0)
188#define	ATMEL_LCDC_LSTLNI	(1 << 1)
189#define	ATMEL_LCDC_EOFI		(1 << 2)
190#define	ATMEL_LCDC_UFLWI	(1 << 4)
191#define	ATMEL_LCDC_OWRI		(1 << 5)
192#define	ATMEL_LCDC_MERI		(1 << 6)
193
194#define ATMEL_LCDC_LUT(n)	(0x0c00 + ((n)*4))
195
196#endif /* __ATMEL_LCDC_H__ */
197