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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;
Andreas Bießmann7cdcdb62011-02-11 15:19:43 +000055 bool lcdcon_pol_negative;
David Brownellcf19a372008-04-28 02:15:20 -070056 u8 saved_lcdcon;
David Brownella9a84c32008-02-06 01:39:26 -080057
58 u8 default_bpp;
Nicolas Ferrefd085802008-04-28 02:15:21 -070059 u8 lcd_wiring_mode;
Nicolas Ferre14340582007-05-10 22:23:26 -070060 unsigned int default_lcdcon2;
61 unsigned int default_dmacon;
62 void (*atmel_lcdfb_power_control)(int on);
63 struct fb_monspecs *default_monspecs;
64 u32 pseudo_palette[16];
65};
66
67#define ATMEL_LCDC_DMABADDR1 0x00
68#define ATMEL_LCDC_DMABADDR2 0x04
69#define ATMEL_LCDC_DMAFRMPT1 0x08
70#define ATMEL_LCDC_DMAFRMPT2 0x0c
71#define ATMEL_LCDC_DMAFRMADD1 0x10
72#define ATMEL_LCDC_DMAFRMADD2 0x14
73
74#define ATMEL_LCDC_DMAFRMCFG 0x18
75#define ATMEL_LCDC_FRSIZE (0x7fffff << 0)
76#define ATMEL_LCDC_BLENGTH_OFFSET 24
77#define ATMEL_LCDC_BLENGTH (0x7f << ATMEL_LCDC_BLENGTH_OFFSET)
78
79#define ATMEL_LCDC_DMACON 0x1c
80#define ATMEL_LCDC_DMAEN (0x1 << 0)
81#define ATMEL_LCDC_DMARST (0x1 << 1)
82#define ATMEL_LCDC_DMABUSY (0x1 << 2)
83#define ATMEL_LCDC_DMAUPDT (0x1 << 3)
84#define ATMEL_LCDC_DMA2DEN (0x1 << 4)
85
86#define ATMEL_LCDC_DMA2DCFG 0x20
87#define ATMEL_LCDC_ADDRINC_OFFSET 0
88#define ATMEL_LCDC_ADDRINC (0xffff)
89#define ATMEL_LCDC_PIXELOFF_OFFSET 24
90#define ATMEL_LCDC_PIXELOFF (0x1f << 24)
91
92#define ATMEL_LCDC_LCDCON1 0x0800
93#define ATMEL_LCDC_BYPASS (1 << 0)
94#define ATMEL_LCDC_CLKVAL_OFFSET 12
95#define ATMEL_LCDC_CLKVAL (0x1ff << ATMEL_LCDC_CLKVAL_OFFSET)
96#define ATMEL_LCDC_LINCNT (0x7ff << 21)
97
98#define ATMEL_LCDC_LCDCON2 0x0804
99#define ATMEL_LCDC_DISTYPE (3 << 0)
100#define ATMEL_LCDC_DISTYPE_STNMONO (0 << 0)
101#define ATMEL_LCDC_DISTYPE_STNCOLOR (1 << 0)
102#define ATMEL_LCDC_DISTYPE_TFT (2 << 0)
103#define ATMEL_LCDC_SCANMOD (1 << 2)
104#define ATMEL_LCDC_SCANMOD_SINGLE (0 << 2)
105#define ATMEL_LCDC_SCANMOD_DUAL (1 << 2)
106#define ATMEL_LCDC_IFWIDTH (3 << 3)
107#define ATMEL_LCDC_IFWIDTH_4 (0 << 3)
108#define ATMEL_LCDC_IFWIDTH_8 (1 << 3)
109#define ATMEL_LCDC_IFWIDTH_16 (2 << 3)
110#define ATMEL_LCDC_PIXELSIZE (7 << 5)
111#define ATMEL_LCDC_PIXELSIZE_1 (0 << 5)
112#define ATMEL_LCDC_PIXELSIZE_2 (1 << 5)
113#define ATMEL_LCDC_PIXELSIZE_4 (2 << 5)
114#define ATMEL_LCDC_PIXELSIZE_8 (3 << 5)
115#define ATMEL_LCDC_PIXELSIZE_16 (4 << 5)
116#define ATMEL_LCDC_PIXELSIZE_24 (5 << 5)
117#define ATMEL_LCDC_PIXELSIZE_32 (6 << 5)
118#define ATMEL_LCDC_INVVD (1 << 8)
119#define ATMEL_LCDC_INVVD_NORMAL (0 << 8)
120#define ATMEL_LCDC_INVVD_INVERTED (1 << 8)
121#define ATMEL_LCDC_INVFRAME (1 << 9 )
122#define ATMEL_LCDC_INVFRAME_NORMAL (0 << 9)
123#define ATMEL_LCDC_INVFRAME_INVERTED (1 << 9)
124#define ATMEL_LCDC_INVLINE (1 << 10)
125#define ATMEL_LCDC_INVLINE_NORMAL (0 << 10)
126#define ATMEL_LCDC_INVLINE_INVERTED (1 << 10)
127#define ATMEL_LCDC_INVCLK (1 << 11)
128#define ATMEL_LCDC_INVCLK_NORMAL (0 << 11)
129#define ATMEL_LCDC_INVCLK_INVERTED (1 << 11)
130#define ATMEL_LCDC_INVDVAL (1 << 12)
131#define ATMEL_LCDC_INVDVAL_NORMAL (0 << 12)
132#define ATMEL_LCDC_INVDVAL_INVERTED (1 << 12)
133#define ATMEL_LCDC_CLKMOD (1 << 15)
134#define ATMEL_LCDC_CLKMOD_ACTIVEDISPLAY (0 << 15)
135#define ATMEL_LCDC_CLKMOD_ALWAYSACTIVE (1 << 15)
136#define ATMEL_LCDC_MEMOR (1 << 31)
137#define ATMEL_LCDC_MEMOR_BIG (0 << 31)
138#define ATMEL_LCDC_MEMOR_LITTLE (1 << 31)
139
140#define ATMEL_LCDC_TIM1 0x0808
Haavard Skinnemoen162b3a02008-02-06 01:39:11 -0800141#define ATMEL_LCDC_VFP (0xffU << 0)
Nicolas Ferre14340582007-05-10 22:23:26 -0700142#define ATMEL_LCDC_VBP_OFFSET 8
Haavard Skinnemoen162b3a02008-02-06 01:39:11 -0800143#define ATMEL_LCDC_VBP (0xffU << ATMEL_LCDC_VBP_OFFSET)
Nicolas Ferre14340582007-05-10 22:23:26 -0700144#define ATMEL_LCDC_VPW_OFFSET 16
Haavard Skinnemoen162b3a02008-02-06 01:39:11 -0800145#define ATMEL_LCDC_VPW (0x3fU << ATMEL_LCDC_VPW_OFFSET)
Nicolas Ferre14340582007-05-10 22:23:26 -0700146#define ATMEL_LCDC_VHDLY_OFFSET 24
Haavard Skinnemoen162b3a02008-02-06 01:39:11 -0800147#define ATMEL_LCDC_VHDLY (0xfU << ATMEL_LCDC_VHDLY_OFFSET)
Nicolas Ferre14340582007-05-10 22:23:26 -0700148
149#define ATMEL_LCDC_TIM2 0x080c
Haavard Skinnemoen162b3a02008-02-06 01:39:11 -0800150#define ATMEL_LCDC_HBP (0xffU << 0)
Nicolas Ferre14340582007-05-10 22:23:26 -0700151#define ATMEL_LCDC_HPW_OFFSET 8
Haavard Skinnemoen162b3a02008-02-06 01:39:11 -0800152#define ATMEL_LCDC_HPW (0x3fU << ATMEL_LCDC_HPW_OFFSET)
Nicolas Ferre14340582007-05-10 22:23:26 -0700153#define ATMEL_LCDC_HFP_OFFSET 21
Haavard Skinnemoen162b3a02008-02-06 01:39:11 -0800154#define ATMEL_LCDC_HFP (0x7ffU << ATMEL_LCDC_HFP_OFFSET)
Nicolas Ferre14340582007-05-10 22:23:26 -0700155
156#define ATMEL_LCDC_LCDFRMCFG 0x0810
157#define ATMEL_LCDC_LINEVAL (0x7ff << 0)
158#define ATMEL_LCDC_HOZVAL_OFFSET 21
159#define ATMEL_LCDC_HOZVAL (0x7ff << ATMEL_LCDC_HOZVAL_OFFSET)
160
161#define ATMEL_LCDC_FIFO 0x0814
162#define ATMEL_LCDC_FIFOTH (0xffff)
163
164#define ATMEL_LCDC_MVAL 0x0818
165
166#define ATMEL_LCDC_DP1_2 0x081c
167#define ATMEL_LCDC_DP4_7 0x0820
168#define ATMEL_LCDC_DP3_5 0x0824
169#define ATMEL_LCDC_DP2_3 0x0828
170#define ATMEL_LCDC_DP5_7 0x082c
171#define ATMEL_LCDC_DP3_4 0x0830
172#define ATMEL_LCDC_DP4_5 0x0834
173#define ATMEL_LCDC_DP6_7 0x0838
174#define ATMEL_LCDC_DP1_2_VAL (0xff)
175#define ATMEL_LCDC_DP4_7_VAL (0xfffffff)
176#define ATMEL_LCDC_DP3_5_VAL (0xfffff)
177#define ATMEL_LCDC_DP2_3_VAL (0xfff)
178#define ATMEL_LCDC_DP5_7_VAL (0xfffffff)
179#define ATMEL_LCDC_DP3_4_VAL (0xffff)
180#define ATMEL_LCDC_DP4_5_VAL (0xfffff)
181#define ATMEL_LCDC_DP6_7_VAL (0xfffffff)
182
183#define ATMEL_LCDC_PWRCON 0x083c
184#define ATMEL_LCDC_PWR (1 << 0)
185#define ATMEL_LCDC_GUARDT_OFFSET 1
186#define ATMEL_LCDC_GUARDT (0x7f << ATMEL_LCDC_GUARDT_OFFSET)
187#define ATMEL_LCDC_BUSY (1 << 31)
188
189#define ATMEL_LCDC_CONTRAST_CTR 0x0840
190#define ATMEL_LCDC_PS (3 << 0)
191#define ATMEL_LCDC_PS_DIV1 (0 << 0)
192#define ATMEL_LCDC_PS_DIV2 (1 << 0)
193#define ATMEL_LCDC_PS_DIV4 (2 << 0)
194#define ATMEL_LCDC_PS_DIV8 (3 << 0)
195#define ATMEL_LCDC_POL (1 << 2)
196#define ATMEL_LCDC_POL_NEGATIVE (0 << 2)
197#define ATMEL_LCDC_POL_POSITIVE (1 << 2)
198#define ATMEL_LCDC_ENA (1 << 3)
199#define ATMEL_LCDC_ENA_PWMDISABLE (0 << 3)
200#define ATMEL_LCDC_ENA_PWMENABLE (1 << 3)
201
202#define ATMEL_LCDC_CONTRAST_VAL 0x0844
203#define ATMEL_LCDC_CVAL (0xff)
204
205#define ATMEL_LCDC_IER 0x0848
206#define ATMEL_LCDC_IDR 0x084c
207#define ATMEL_LCDC_IMR 0x0850
208#define ATMEL_LCDC_ISR 0x0854
209#define ATMEL_LCDC_ICR 0x0858
210#define ATMEL_LCDC_LNI (1 << 0)
211#define ATMEL_LCDC_LSTLNI (1 << 1)
212#define ATMEL_LCDC_EOFI (1 << 2)
213#define ATMEL_LCDC_UFLWI (1 << 4)
214#define ATMEL_LCDC_OWRI (1 << 5)
215#define ATMEL_LCDC_MERI (1 << 6)
216
217#define ATMEL_LCDC_LUT(n) (0x0c00 + ((n)*4))
218
219#endif /* __ATMEL_LCDC_H__ */