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 */ 36 struct 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