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Nicolas Ferre14340582007-05-10 22:23:26 -07001/*
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
Adrian Bunk44ccac12008-07-25 19:44:38 -070025#include <linux/workqueue.h>
Nicolas Ferrefd085802008-04-28 02:15:21 -070026
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
Guillaume GARDETfbd03a12008-08-29 10:11:24 +010033#define ATMEL_LCDC_WIRING_RGB555 2
Nicolas Ferrefd085802008-04-28 02:15:21 -070034
35
David Brownella9a84c32008-02-06 01:39:26 -080036 /* LCD Controller info data structure, stored in device platform_data */
Nicolas Ferre14340582007-05-10 22:23:26 -070037struct atmel_lcdfb_info {
38 spinlock_t lock;
39 struct fb_info *info;
40 void __iomem *mmio;
Nicolas Ferre722facc2008-11-12 13:24:59 -080041 int irq_base;
Nicolas Ferred22579b2008-07-23 21:31:20 -070042 struct work_struct task;
Nicolas Ferre14340582007-05-10 22:23:26 -070043
44 unsigned int guard_time;
Haavard Skinnemoenea757ac2008-08-12 15:08:57 -070045 unsigned int smem_len;
Nicolas Ferre14340582007-05-10 22:23:26 -070046 struct platform_device *pdev;
47 struct clk *bus_clk;
48 struct clk *lcdc_clk;
David Brownella9a84c32008-02-06 01:39:26 -080049
50#ifdef CONFIG_BACKLIGHT_ATMEL_LCDC
51 struct backlight_device *backlight;
52 u8 bl_power;
53#endif
54 bool lcdcon_is_backlight;
David Brownellcf19a372008-04-28 02:15:20 -070055 u8 saved_lcdcon;
David Brownella9a84c32008-02-06 01:39:26 -080056
57 u8 default_bpp;
Nicolas Ferrefd085802008-04-28 02:15:21 -070058 u8 lcd_wiring_mode;
Nicolas Ferre14340582007-05-10 22:23:26 -070059 unsigned int default_lcdcon2;
60 unsigned int default_dmacon;
61 void (*atmel_lcdfb_power_control)(int on);
62 struct fb_monspecs *default_monspecs;
63 u32 pseudo_palette[16];
64};
65
66#define ATMEL_LCDC_DMABADDR1 0x00
67#define ATMEL_LCDC_DMABADDR2 0x04
68#define ATMEL_LCDC_DMAFRMPT1 0x08
69#define ATMEL_LCDC_DMAFRMPT2 0x0c
70#define ATMEL_LCDC_DMAFRMADD1 0x10
71#define ATMEL_LCDC_DMAFRMADD2 0x14
72
73#define ATMEL_LCDC_DMAFRMCFG 0x18
74#define ATMEL_LCDC_FRSIZE (0x7fffff << 0)
75#define ATMEL_LCDC_BLENGTH_OFFSET 24
76#define ATMEL_LCDC_BLENGTH (0x7f << ATMEL_LCDC_BLENGTH_OFFSET)
77
78#define ATMEL_LCDC_DMACON 0x1c
79#define ATMEL_LCDC_DMAEN (0x1 << 0)
80#define ATMEL_LCDC_DMARST (0x1 << 1)
81#define ATMEL_LCDC_DMABUSY (0x1 << 2)
82#define ATMEL_LCDC_DMAUPDT (0x1 << 3)
83#define ATMEL_LCDC_DMA2DEN (0x1 << 4)
84
85#define ATMEL_LCDC_DMA2DCFG 0x20
86#define ATMEL_LCDC_ADDRINC_OFFSET 0
87#define ATMEL_LCDC_ADDRINC (0xffff)
88#define ATMEL_LCDC_PIXELOFF_OFFSET 24
89#define ATMEL_LCDC_PIXELOFF (0x1f << 24)
90
91#define ATMEL_LCDC_LCDCON1 0x0800
92#define ATMEL_LCDC_BYPASS (1 << 0)
93#define ATMEL_LCDC_CLKVAL_OFFSET 12
94#define ATMEL_LCDC_CLKVAL (0x1ff << ATMEL_LCDC_CLKVAL_OFFSET)
95#define ATMEL_LCDC_LINCNT (0x7ff << 21)
96
97#define ATMEL_LCDC_LCDCON2 0x0804
98#define ATMEL_LCDC_DISTYPE (3 << 0)
99#define ATMEL_LCDC_DISTYPE_STNMONO (0 << 0)
100#define ATMEL_LCDC_DISTYPE_STNCOLOR (1 << 0)
101#define ATMEL_LCDC_DISTYPE_TFT (2 << 0)
102#define ATMEL_LCDC_SCANMOD (1 << 2)
103#define ATMEL_LCDC_SCANMOD_SINGLE (0 << 2)
104#define ATMEL_LCDC_SCANMOD_DUAL (1 << 2)
105#define ATMEL_LCDC_IFWIDTH (3 << 3)
106#define ATMEL_LCDC_IFWIDTH_4 (0 << 3)
107#define ATMEL_LCDC_IFWIDTH_8 (1 << 3)
108#define ATMEL_LCDC_IFWIDTH_16 (2 << 3)
109#define ATMEL_LCDC_PIXELSIZE (7 << 5)
110#define ATMEL_LCDC_PIXELSIZE_1 (0 << 5)
111#define ATMEL_LCDC_PIXELSIZE_2 (1 << 5)
112#define ATMEL_LCDC_PIXELSIZE_4 (2 << 5)
113#define ATMEL_LCDC_PIXELSIZE_8 (3 << 5)
114#define ATMEL_LCDC_PIXELSIZE_16 (4 << 5)
115#define ATMEL_LCDC_PIXELSIZE_24 (5 << 5)
116#define ATMEL_LCDC_PIXELSIZE_32 (6 << 5)
117#define ATMEL_LCDC_INVVD (1 << 8)
118#define ATMEL_LCDC_INVVD_NORMAL (0 << 8)
119#define ATMEL_LCDC_INVVD_INVERTED (1 << 8)
120#define ATMEL_LCDC_INVFRAME (1 << 9 )
121#define ATMEL_LCDC_INVFRAME_NORMAL (0 << 9)
122#define ATMEL_LCDC_INVFRAME_INVERTED (1 << 9)
123#define ATMEL_LCDC_INVLINE (1 << 10)
124#define ATMEL_LCDC_INVLINE_NORMAL (0 << 10)
125#define ATMEL_LCDC_INVLINE_INVERTED (1 << 10)
126#define ATMEL_LCDC_INVCLK (1 << 11)
127#define ATMEL_LCDC_INVCLK_NORMAL (0 << 11)
128#define ATMEL_LCDC_INVCLK_INVERTED (1 << 11)
129#define ATMEL_LCDC_INVDVAL (1 << 12)
130#define ATMEL_LCDC_INVDVAL_NORMAL (0 << 12)
131#define ATMEL_LCDC_INVDVAL_INVERTED (1 << 12)
132#define ATMEL_LCDC_CLKMOD (1 << 15)
133#define ATMEL_LCDC_CLKMOD_ACTIVEDISPLAY (0 << 15)
134#define ATMEL_LCDC_CLKMOD_ALWAYSACTIVE (1 << 15)
135#define ATMEL_LCDC_MEMOR (1 << 31)
136#define ATMEL_LCDC_MEMOR_BIG (0 << 31)
137#define ATMEL_LCDC_MEMOR_LITTLE (1 << 31)
138
139#define ATMEL_LCDC_TIM1 0x0808
Haavard Skinnemoen162b3a02008-02-06 01:39:11 -0800140#define ATMEL_LCDC_VFP (0xffU << 0)
Nicolas Ferre14340582007-05-10 22:23:26 -0700141#define ATMEL_LCDC_VBP_OFFSET 8
Haavard Skinnemoen162b3a02008-02-06 01:39:11 -0800142#define ATMEL_LCDC_VBP (0xffU << ATMEL_LCDC_VBP_OFFSET)
Nicolas Ferre14340582007-05-10 22:23:26 -0700143#define ATMEL_LCDC_VPW_OFFSET 16
Haavard Skinnemoen162b3a02008-02-06 01:39:11 -0800144#define ATMEL_LCDC_VPW (0x3fU << ATMEL_LCDC_VPW_OFFSET)
Nicolas Ferre14340582007-05-10 22:23:26 -0700145#define ATMEL_LCDC_VHDLY_OFFSET 24
Haavard Skinnemoen162b3a02008-02-06 01:39:11 -0800146#define ATMEL_LCDC_VHDLY (0xfU << ATMEL_LCDC_VHDLY_OFFSET)
Nicolas Ferre14340582007-05-10 22:23:26 -0700147
148#define ATMEL_LCDC_TIM2 0x080c
Haavard Skinnemoen162b3a02008-02-06 01:39:11 -0800149#define ATMEL_LCDC_HBP (0xffU << 0)
Nicolas Ferre14340582007-05-10 22:23:26 -0700150#define ATMEL_LCDC_HPW_OFFSET 8
Haavard Skinnemoen162b3a02008-02-06 01:39:11 -0800151#define ATMEL_LCDC_HPW (0x3fU << ATMEL_LCDC_HPW_OFFSET)
Nicolas Ferre14340582007-05-10 22:23:26 -0700152#define ATMEL_LCDC_HFP_OFFSET 21
Haavard Skinnemoen162b3a02008-02-06 01:39:11 -0800153#define ATMEL_LCDC_HFP (0x7ffU << ATMEL_LCDC_HFP_OFFSET)
Nicolas Ferre14340582007-05-10 22:23:26 -0700154
155#define ATMEL_LCDC_LCDFRMCFG 0x0810
156#define ATMEL_LCDC_LINEVAL (0x7ff << 0)
157#define ATMEL_LCDC_HOZVAL_OFFSET 21
158#define ATMEL_LCDC_HOZVAL (0x7ff << ATMEL_LCDC_HOZVAL_OFFSET)
159
160#define ATMEL_LCDC_FIFO 0x0814
161#define ATMEL_LCDC_FIFOTH (0xffff)
162
163#define ATMEL_LCDC_MVAL 0x0818
164
165#define ATMEL_LCDC_DP1_2 0x081c
166#define ATMEL_LCDC_DP4_7 0x0820
167#define ATMEL_LCDC_DP3_5 0x0824
168#define ATMEL_LCDC_DP2_3 0x0828
169#define ATMEL_LCDC_DP5_7 0x082c
170#define ATMEL_LCDC_DP3_4 0x0830
171#define ATMEL_LCDC_DP4_5 0x0834
172#define ATMEL_LCDC_DP6_7 0x0838
173#define ATMEL_LCDC_DP1_2_VAL (0xff)
174#define ATMEL_LCDC_DP4_7_VAL (0xfffffff)
175#define ATMEL_LCDC_DP3_5_VAL (0xfffff)
176#define ATMEL_LCDC_DP2_3_VAL (0xfff)
177#define ATMEL_LCDC_DP5_7_VAL (0xfffffff)
178#define ATMEL_LCDC_DP3_4_VAL (0xffff)
179#define ATMEL_LCDC_DP4_5_VAL (0xfffff)
180#define ATMEL_LCDC_DP6_7_VAL (0xfffffff)
181
182#define ATMEL_LCDC_PWRCON 0x083c
183#define ATMEL_LCDC_PWR (1 << 0)
184#define ATMEL_LCDC_GUARDT_OFFSET 1
185#define ATMEL_LCDC_GUARDT (0x7f << ATMEL_LCDC_GUARDT_OFFSET)
186#define ATMEL_LCDC_BUSY (1 << 31)
187
188#define ATMEL_LCDC_CONTRAST_CTR 0x0840
189#define ATMEL_LCDC_PS (3 << 0)
190#define ATMEL_LCDC_PS_DIV1 (0 << 0)
191#define ATMEL_LCDC_PS_DIV2 (1 << 0)
192#define ATMEL_LCDC_PS_DIV4 (2 << 0)
193#define ATMEL_LCDC_PS_DIV8 (3 << 0)
194#define ATMEL_LCDC_POL (1 << 2)
195#define ATMEL_LCDC_POL_NEGATIVE (0 << 2)
196#define ATMEL_LCDC_POL_POSITIVE (1 << 2)
197#define ATMEL_LCDC_ENA (1 << 3)
198#define ATMEL_LCDC_ENA_PWMDISABLE (0 << 3)
199#define ATMEL_LCDC_ENA_PWMENABLE (1 << 3)
200
201#define ATMEL_LCDC_CONTRAST_VAL 0x0844
202#define ATMEL_LCDC_CVAL (0xff)
203
204#define ATMEL_LCDC_IER 0x0848
205#define ATMEL_LCDC_IDR 0x084c
206#define ATMEL_LCDC_IMR 0x0850
207#define ATMEL_LCDC_ISR 0x0854
208#define ATMEL_LCDC_ICR 0x0858
209#define ATMEL_LCDC_LNI (1 << 0)
210#define ATMEL_LCDC_LSTLNI (1 << 1)
211#define ATMEL_LCDC_EOFI (1 << 2)
212#define ATMEL_LCDC_UFLWI (1 << 4)
213#define ATMEL_LCDC_OWRI (1 << 5)
214#define ATMEL_LCDC_MERI (1 << 6)
215
216#define ATMEL_LCDC_LUT(n) (0x0c00 + ((n)*4))
217
218#endif /* __ATMEL_LCDC_H__ */