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#include <linux/workqueue.h>
26
27/* Way LCD wires are connected to the chip:
28 * Some Atmel chips use BGR color mode (instead of standard RGB)
29 * A swapped wiring onboard can bring to RGB mode.
30 */
31#define ATMEL_LCDC_WIRING_BGR	0
32#define ATMEL_LCDC_WIRING_RGB	1
33
34
35 /* LCD Controller info data structure, stored in device platform_data */
36struct atmel_lcdfb_pdata {
37	unsigned int		guard_time;
38	bool			lcdcon_is_backlight;
39	bool			lcdcon_pol_negative;
40	u8			default_bpp;
41	u8			lcd_wiring_mode;
42	unsigned int		default_lcdcon2;
43	unsigned int		default_dmacon;
44	void (*atmel_lcdfb_power_control)(struct atmel_lcdfb_pdata *pdata, int on);
45	struct fb_monspecs	*default_monspecs;
46
47	struct list_head	pwr_gpios;
48};
49
50#define ATMEL_LCDC_DMABADDR1	0x00
51#define ATMEL_LCDC_DMABADDR2	0x04
52#define ATMEL_LCDC_DMAFRMPT1	0x08
53#define ATMEL_LCDC_DMAFRMPT2	0x0c
54#define ATMEL_LCDC_DMAFRMADD1	0x10
55#define ATMEL_LCDC_DMAFRMADD2	0x14
56
57#define ATMEL_LCDC_DMAFRMCFG	0x18
58#define	ATMEL_LCDC_FRSIZE	(0x7fffff <<  0)
59#define	ATMEL_LCDC_BLENGTH_OFFSET	24
60#define	ATMEL_LCDC_BLENGTH	(0x7f     << ATMEL_LCDC_BLENGTH_OFFSET)
61
62#define ATMEL_LCDC_DMACON	0x1c
63#define	ATMEL_LCDC_DMAEN	(0x1 << 0)
64#define	ATMEL_LCDC_DMARST	(0x1 << 1)
65#define	ATMEL_LCDC_DMABUSY	(0x1 << 2)
66#define		ATMEL_LCDC_DMAUPDT	(0x1 << 3)
67#define		ATMEL_LCDC_DMA2DEN	(0x1 << 4)
68
69#define ATMEL_LCDC_DMA2DCFG	0x20
70#define		ATMEL_LCDC_ADDRINC_OFFSET	0
71#define		ATMEL_LCDC_ADDRINC		(0xffff)
72#define		ATMEL_LCDC_PIXELOFF_OFFSET	24
73#define		ATMEL_LCDC_PIXELOFF		(0x1f << 24)
74
75#define ATMEL_LCDC_LCDCON1	0x0800
76#define	ATMEL_LCDC_BYPASS	(1     <<  0)
77#define	ATMEL_LCDC_CLKVAL_OFFSET	12
78#define	ATMEL_LCDC_CLKVAL	(0x1ff << ATMEL_LCDC_CLKVAL_OFFSET)
79#define	ATMEL_LCDC_LINCNT	(0x7ff << 21)
80
81#define ATMEL_LCDC_LCDCON2	0x0804
82#define	ATMEL_LCDC_DISTYPE	(3 << 0)
83#define		ATMEL_LCDC_DISTYPE_STNMONO	(0 << 0)
84#define		ATMEL_LCDC_DISTYPE_STNCOLOR	(1 << 0)
85#define		ATMEL_LCDC_DISTYPE_TFT		(2 << 0)
86#define	ATMEL_LCDC_SCANMOD	(1 << 2)
87#define		ATMEL_LCDC_SCANMOD_SINGLE	(0 << 2)
88#define		ATMEL_LCDC_SCANMOD_DUAL		(1 << 2)
89#define	ATMEL_LCDC_IFWIDTH	(3 << 3)
90#define		ATMEL_LCDC_IFWIDTH_4		(0 << 3)
91#define		ATMEL_LCDC_IFWIDTH_8		(1 << 3)
92#define		ATMEL_LCDC_IFWIDTH_16		(2 << 3)
93#define	ATMEL_LCDC_PIXELSIZE	(7 << 5)
94#define		ATMEL_LCDC_PIXELSIZE_1		(0 << 5)
95#define		ATMEL_LCDC_PIXELSIZE_2		(1 << 5)
96#define		ATMEL_LCDC_PIXELSIZE_4		(2 << 5)
97#define		ATMEL_LCDC_PIXELSIZE_8		(3 << 5)
98#define		ATMEL_LCDC_PIXELSIZE_16		(4 << 5)
99#define		ATMEL_LCDC_PIXELSIZE_24		(5 << 5)
100#define		ATMEL_LCDC_PIXELSIZE_32		(6 << 5)
101#define	ATMEL_LCDC_INVVD	(1 << 8)
102#define		ATMEL_LCDC_INVVD_NORMAL		(0 << 8)
103#define		ATMEL_LCDC_INVVD_INVERTED	(1 << 8)
104#define	ATMEL_LCDC_INVFRAME	(1 << 9 )
105#define		ATMEL_LCDC_INVFRAME_NORMAL	(0 << 9)
106#define		ATMEL_LCDC_INVFRAME_INVERTED	(1 << 9)
107#define	ATMEL_LCDC_INVLINE	(1 << 10)
108#define		ATMEL_LCDC_INVLINE_NORMAL	(0 << 10)
109#define		ATMEL_LCDC_INVLINE_INVERTED	(1 << 10)
110#define	ATMEL_LCDC_INVCLK	(1 << 11)
111#define		ATMEL_LCDC_INVCLK_NORMAL	(0 << 11)
112#define		ATMEL_LCDC_INVCLK_INVERTED	(1 << 11)
113#define	ATMEL_LCDC_INVDVAL	(1 << 12)
114#define		ATMEL_LCDC_INVDVAL_NORMAL	(0 << 12)
115#define		ATMEL_LCDC_INVDVAL_INVERTED	(1 << 12)
116#define	ATMEL_LCDC_CLKMOD	(1 << 15)
117#define		ATMEL_LCDC_CLKMOD_ACTIVEDISPLAY	(0 << 15)
118#define		ATMEL_LCDC_CLKMOD_ALWAYSACTIVE	(1 << 15)
119#define	ATMEL_LCDC_MEMOR	(1 << 31)
120#define		ATMEL_LCDC_MEMOR_BIG		(0 << 31)
121#define		ATMEL_LCDC_MEMOR_LITTLE		(1 << 31)
122
123#define ATMEL_LCDC_TIM1		0x0808
124#define	ATMEL_LCDC_VFP		(0xffU <<  0)
125#define	ATMEL_LCDC_VBP_OFFSET		8
126#define	ATMEL_LCDC_VBP		(0xffU <<  ATMEL_LCDC_VBP_OFFSET)
127#define	ATMEL_LCDC_VPW_OFFSET		16
128#define	ATMEL_LCDC_VPW		(0x3fU << ATMEL_LCDC_VPW_OFFSET)
129#define	ATMEL_LCDC_VHDLY_OFFSET		24
130#define	ATMEL_LCDC_VHDLY	(0xfU  << ATMEL_LCDC_VHDLY_OFFSET)
131
132#define ATMEL_LCDC_TIM2		0x080c
133#define	ATMEL_LCDC_HBP		(0xffU  <<  0)
134#define	ATMEL_LCDC_HPW_OFFSET		8
135#define	ATMEL_LCDC_HPW		(0x3fU  <<  ATMEL_LCDC_HPW_OFFSET)
136#define	ATMEL_LCDC_HFP_OFFSET		21
137#define	ATMEL_LCDC_HFP		(0x7ffU << ATMEL_LCDC_HFP_OFFSET)
138
139#define ATMEL_LCDC_LCDFRMCFG	0x0810
140#define	ATMEL_LCDC_LINEVAL	(0x7ff <<  0)
141#define	ATMEL_LCDC_HOZVAL_OFFSET	21
142#define	ATMEL_LCDC_HOZVAL	(0x7ff << ATMEL_LCDC_HOZVAL_OFFSET)
143
144#define ATMEL_LCDC_FIFO		0x0814
145#define	ATMEL_LCDC_FIFOTH	(0xffff)
146
147#define ATMEL_LCDC_MVAL		0x0818
148
149#define ATMEL_LCDC_DP1_2	0x081c
150#define ATMEL_LCDC_DP4_7	0x0820
151#define ATMEL_LCDC_DP3_5	0x0824
152#define ATMEL_LCDC_DP2_3	0x0828
153#define ATMEL_LCDC_DP5_7	0x082c
154#define ATMEL_LCDC_DP3_4	0x0830
155#define ATMEL_LCDC_DP4_5	0x0834
156#define ATMEL_LCDC_DP6_7	0x0838
157#define	ATMEL_LCDC_DP1_2_VAL	(0xff)
158#define	ATMEL_LCDC_DP4_7_VAL	(0xfffffff)
159#define	ATMEL_LCDC_DP3_5_VAL	(0xfffff)
160#define	ATMEL_LCDC_DP2_3_VAL	(0xfff)
161#define	ATMEL_LCDC_DP5_7_VAL	(0xfffffff)
162#define	ATMEL_LCDC_DP3_4_VAL	(0xffff)
163#define	ATMEL_LCDC_DP4_5_VAL	(0xfffff)
164#define	ATMEL_LCDC_DP6_7_VAL	(0xfffffff)
165
166#define ATMEL_LCDC_PWRCON	0x083c
167#define	ATMEL_LCDC_PWR		(1    <<  0)
168#define	ATMEL_LCDC_GUARDT_OFFSET	1
169#define	ATMEL_LCDC_GUARDT	(0x7f <<  ATMEL_LCDC_GUARDT_OFFSET)
170#define	ATMEL_LCDC_BUSY		(1    << 31)
171
172#define ATMEL_LCDC_CONTRAST_CTR	0x0840
173#define	ATMEL_LCDC_PS		(3 << 0)
174#define		ATMEL_LCDC_PS_DIV1		(0 << 0)
175#define		ATMEL_LCDC_PS_DIV2		(1 << 0)
176#define		ATMEL_LCDC_PS_DIV4		(2 << 0)
177#define		ATMEL_LCDC_PS_DIV8		(3 << 0)
178#define	ATMEL_LCDC_POL		(1 << 2)
179#define		ATMEL_LCDC_POL_NEGATIVE		(0 << 2)
180#define		ATMEL_LCDC_POL_POSITIVE		(1 << 2)
181#define	ATMEL_LCDC_ENA		(1 << 3)
182#define		ATMEL_LCDC_ENA_PWMDISABLE	(0 << 3)
183#define		ATMEL_LCDC_ENA_PWMENABLE	(1 << 3)
184
185#define ATMEL_LCDC_CONTRAST_VAL	0x0844
186#define	ATMEL_LCDC_CVAL	(0xff)
187
188#define ATMEL_LCDC_IER		0x0848
189#define ATMEL_LCDC_IDR		0x084c
190#define ATMEL_LCDC_IMR		0x0850
191#define ATMEL_LCDC_ISR		0x0854
192#define ATMEL_LCDC_ICR		0x0858
193#define	ATMEL_LCDC_LNI		(1 << 0)
194#define	ATMEL_LCDC_LSTLNI	(1 << 1)
195#define	ATMEL_LCDC_EOFI		(1 << 2)
196#define	ATMEL_LCDC_UFLWI	(1 << 4)
197#define	ATMEL_LCDC_OWRI		(1 << 5)
198#define	ATMEL_LCDC_MERI		(1 << 6)
199
200#define ATMEL_LCDC_LUT(n)	(0x0c00 + ((n)*4))
201
202#endif /* __ATMEL_LCDC_H__ */
203