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Linux/include/video/atmel_lcdc.h

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  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 struct atmel_lcdfb_config;
 35 
 36  /* LCD Controller info data structure, stored in device platform_data */
 37 struct atmel_lcdfb_info {
 38         spinlock_t              lock;
 39         struct fb_info          *info;
 40         void __iomem            *mmio;
 41         int                     irq_base;
 42         struct work_struct      task;
 43 
 44         unsigned int            guard_time;
 45         unsigned int            smem_len;
 46         struct platform_device  *pdev;
 47         struct clk              *bus_clk;
 48         struct clk              *lcdc_clk;
 49 
 50 #ifdef CONFIG_BACKLIGHT_ATMEL_LCDC
 51         struct backlight_device *backlight;
 52         u8                      bl_power;
 53 #endif
 54         bool                    lcdcon_is_backlight;
 55         bool                    lcdcon_pol_negative;
 56         u8                      saved_lcdcon;
 57 
 58         u8                      default_bpp;
 59         u8                      lcd_wiring_mode;
 60         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         struct atmel_lcdfb_config *config;
 67 };
 68 
 69 #define ATMEL_LCDC_DMABADDR1    0x00
 70 #define ATMEL_LCDC_DMABADDR2    0x04
 71 #define ATMEL_LCDC_DMAFRMPT1    0x08
 72 #define ATMEL_LCDC_DMAFRMPT2    0x0c
 73 #define ATMEL_LCDC_DMAFRMADD1   0x10
 74 #define ATMEL_LCDC_DMAFRMADD2   0x14
 75 
 76 #define ATMEL_LCDC_DMAFRMCFG    0x18
 77 #define ATMEL_LCDC_FRSIZE       (0x7fffff <<  0)
 78 #define ATMEL_LCDC_BLENGTH_OFFSET       24
 79 #define ATMEL_LCDC_BLENGTH      (0x7f     << ATMEL_LCDC_BLENGTH_OFFSET)
 80 
 81 #define ATMEL_LCDC_DMACON       0x1c
 82 #define ATMEL_LCDC_DMAEN        (0x1 << 0)
 83 #define ATMEL_LCDC_DMARST       (0x1 << 1)
 84 #define ATMEL_LCDC_DMABUSY      (0x1 << 2)
 85 #define         ATMEL_LCDC_DMAUPDT      (0x1 << 3)
 86 #define         ATMEL_LCDC_DMA2DEN      (0x1 << 4)
 87 
 88 #define ATMEL_LCDC_DMA2DCFG     0x20
 89 #define         ATMEL_LCDC_ADDRINC_OFFSET       0
 90 #define         ATMEL_LCDC_ADDRINC              (0xffff)
 91 #define         ATMEL_LCDC_PIXELOFF_OFFSET      24
 92 #define         ATMEL_LCDC_PIXELOFF             (0x1f << 24)
 93 
 94 #define ATMEL_LCDC_LCDCON1      0x0800
 95 #define ATMEL_LCDC_BYPASS       (1     <<  0)
 96 #define ATMEL_LCDC_CLKVAL_OFFSET        12
 97 #define ATMEL_LCDC_CLKVAL       (0x1ff << ATMEL_LCDC_CLKVAL_OFFSET)
 98 #define ATMEL_LCDC_LINCNT       (0x7ff << 21)
 99 
100 #define ATMEL_LCDC_LCDCON2      0x0804
101 #define ATMEL_LCDC_DISTYPE      (3 << 0)
102 #define         ATMEL_LCDC_DISTYPE_STNMONO      (0 << 0)
103 #define         ATMEL_LCDC_DISTYPE_STNCOLOR     (1 << 0)
104 #define         ATMEL_LCDC_DISTYPE_TFT          (2 << 0)
105 #define ATMEL_LCDC_SCANMOD      (1 << 2)
106 #define         ATMEL_LCDC_SCANMOD_SINGLE       (0 << 2)
107 #define         ATMEL_LCDC_SCANMOD_DUAL         (1 << 2)
108 #define ATMEL_LCDC_IFWIDTH      (3 << 3)
109 #define         ATMEL_LCDC_IFWIDTH_4            (0 << 3)
110 #define         ATMEL_LCDC_IFWIDTH_8            (1 << 3)
111 #define         ATMEL_LCDC_IFWIDTH_16           (2 << 3)
112 #define ATMEL_LCDC_PIXELSIZE    (7 << 5)
113 #define         ATMEL_LCDC_PIXELSIZE_1          (0 << 5)
114 #define         ATMEL_LCDC_PIXELSIZE_2          (1 << 5)
115 #define         ATMEL_LCDC_PIXELSIZE_4          (2 << 5)
116 #define         ATMEL_LCDC_PIXELSIZE_8          (3 << 5)
117 #define         ATMEL_LCDC_PIXELSIZE_16         (4 << 5)
118 #define         ATMEL_LCDC_PIXELSIZE_24         (5 << 5)
119 #define         ATMEL_LCDC_PIXELSIZE_32         (6 << 5)
120 #define ATMEL_LCDC_INVVD        (1 << 8)
121 #define         ATMEL_LCDC_INVVD_NORMAL         (0 << 8)
122 #define         ATMEL_LCDC_INVVD_INVERTED       (1 << 8)
123 #define ATMEL_LCDC_INVFRAME     (1 << 9 )
124 #define         ATMEL_LCDC_INVFRAME_NORMAL      (0 << 9)
125 #define         ATMEL_LCDC_INVFRAME_INVERTED    (1 << 9)
126 #define ATMEL_LCDC_INVLINE      (1 << 10)
127 #define         ATMEL_LCDC_INVLINE_NORMAL       (0 << 10)
128 #define         ATMEL_LCDC_INVLINE_INVERTED     (1 << 10)
129 #define ATMEL_LCDC_INVCLK       (1 << 11)
130 #define         ATMEL_LCDC_INVCLK_NORMAL        (0 << 11)
131 #define         ATMEL_LCDC_INVCLK_INVERTED      (1 << 11)
132 #define ATMEL_LCDC_INVDVAL      (1 << 12)
133 #define         ATMEL_LCDC_INVDVAL_NORMAL       (0 << 12)
134 #define         ATMEL_LCDC_INVDVAL_INVERTED     (1 << 12)
135 #define ATMEL_LCDC_CLKMOD       (1 << 15)
136 #define         ATMEL_LCDC_CLKMOD_ACTIVEDISPLAY (0 << 15)
137 #define         ATMEL_LCDC_CLKMOD_ALWAYSACTIVE  (1 << 15)
138 #define ATMEL_LCDC_MEMOR        (1 << 31)
139 #define         ATMEL_LCDC_MEMOR_BIG            (0 << 31)
140 #define         ATMEL_LCDC_MEMOR_LITTLE         (1 << 31)
141 
142 #define ATMEL_LCDC_TIM1         0x0808
143 #define ATMEL_LCDC_VFP          (0xffU <<  0)
144 #define ATMEL_LCDC_VBP_OFFSET           8
145 #define ATMEL_LCDC_VBP          (0xffU <<  ATMEL_LCDC_VBP_OFFSET)
146 #define ATMEL_LCDC_VPW_OFFSET           16
147 #define ATMEL_LCDC_VPW          (0x3fU << ATMEL_LCDC_VPW_OFFSET)
148 #define ATMEL_LCDC_VHDLY_OFFSET         24
149 #define ATMEL_LCDC_VHDLY        (0xfU  << ATMEL_LCDC_VHDLY_OFFSET)
150 
151 #define ATMEL_LCDC_TIM2         0x080c
152 #define ATMEL_LCDC_HBP          (0xffU  <<  0)
153 #define ATMEL_LCDC_HPW_OFFSET           8
154 #define ATMEL_LCDC_HPW          (0x3fU  <<  ATMEL_LCDC_HPW_OFFSET)
155 #define ATMEL_LCDC_HFP_OFFSET           21
156 #define ATMEL_LCDC_HFP          (0x7ffU << ATMEL_LCDC_HFP_OFFSET)
157 
158 #define ATMEL_LCDC_LCDFRMCFG    0x0810
159 #define ATMEL_LCDC_LINEVAL      (0x7ff <<  0)
160 #define ATMEL_LCDC_HOZVAL_OFFSET        21
161 #define ATMEL_LCDC_HOZVAL       (0x7ff << ATMEL_LCDC_HOZVAL_OFFSET)
162 
163 #define ATMEL_LCDC_FIFO         0x0814
164 #define ATMEL_LCDC_FIFOTH       (0xffff)
165 
166 #define ATMEL_LCDC_MVAL         0x0818
167 
168 #define ATMEL_LCDC_DP1_2        0x081c
169 #define ATMEL_LCDC_DP4_7        0x0820
170 #define ATMEL_LCDC_DP3_5        0x0824
171 #define ATMEL_LCDC_DP2_3        0x0828
172 #define ATMEL_LCDC_DP5_7        0x082c
173 #define ATMEL_LCDC_DP3_4        0x0830
174 #define ATMEL_LCDC_DP4_5        0x0834
175 #define ATMEL_LCDC_DP6_7        0x0838
176 #define ATMEL_LCDC_DP1_2_VAL    (0xff)
177 #define ATMEL_LCDC_DP4_7_VAL    (0xfffffff)
178 #define ATMEL_LCDC_DP3_5_VAL    (0xfffff)
179 #define ATMEL_LCDC_DP2_3_VAL    (0xfff)
180 #define ATMEL_LCDC_DP5_7_VAL    (0xfffffff)
181 #define ATMEL_LCDC_DP3_4_VAL    (0xffff)
182 #define ATMEL_LCDC_DP4_5_VAL    (0xfffff)
183 #define ATMEL_LCDC_DP6_7_VAL    (0xfffffff)
184 
185 #define ATMEL_LCDC_PWRCON       0x083c
186 #define ATMEL_LCDC_PWR          (1    <<  0)
187 #define ATMEL_LCDC_GUARDT_OFFSET        1
188 #define ATMEL_LCDC_GUARDT       (0x7f <<  ATMEL_LCDC_GUARDT_OFFSET)
189 #define ATMEL_LCDC_BUSY         (1    << 31)
190 
191 #define ATMEL_LCDC_CONTRAST_CTR 0x0840
192 #define ATMEL_LCDC_PS           (3 << 0)
193 #define         ATMEL_LCDC_PS_DIV1              (0 << 0)
194 #define         ATMEL_LCDC_PS_DIV2              (1 << 0)
195 #define         ATMEL_LCDC_PS_DIV4              (2 << 0)
196 #define         ATMEL_LCDC_PS_DIV8              (3 << 0)
197 #define ATMEL_LCDC_POL          (1 << 2)
198 #define         ATMEL_LCDC_POL_NEGATIVE         (0 << 2)
199 #define         ATMEL_LCDC_POL_POSITIVE         (1 << 2)
200 #define ATMEL_LCDC_ENA          (1 << 3)
201 #define         ATMEL_LCDC_ENA_PWMDISABLE       (0 << 3)
202 #define         ATMEL_LCDC_ENA_PWMENABLE        (1 << 3)
203 
204 #define ATMEL_LCDC_CONTRAST_VAL 0x0844
205 #define ATMEL_LCDC_CVAL (0xff)
206 
207 #define ATMEL_LCDC_IER          0x0848
208 #define ATMEL_LCDC_IDR          0x084c
209 #define ATMEL_LCDC_IMR          0x0850
210 #define ATMEL_LCDC_ISR          0x0854
211 #define ATMEL_LCDC_ICR          0x0858
212 #define ATMEL_LCDC_LNI          (1 << 0)
213 #define ATMEL_LCDC_LSTLNI       (1 << 1)
214 #define ATMEL_LCDC_EOFI         (1 << 2)
215 #define ATMEL_LCDC_UFLWI        (1 << 4)
216 #define ATMEL_LCDC_OWRI         (1 << 5)
217 #define ATMEL_LCDC_MERI         (1 << 6)
218 
219 #define ATMEL_LCDC_LUT(n)       (0x0c00 + ((n)*4))
220 
221 #endif /* __ATMEL_LCDC_H__ */
222 

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