release/src-rt-6.x.4708/linux/linux-2.6.36/arch/avr32/boards/atngw100/evklcd10x.c

   1 /*
   2  * Board-specific setup code for the ATEVKLCD10X addon board to the ATNGW100
   3  * Network Gateway
   4  *
   5  * Copyright (C) 2008 Atmel Corporation
   6  *
   7  * This program is free software; you can redistribute it and/or modify it
   8  * under the terms of the GNU General Public License version 2 as published by
   9  * the Free Software Foundation.
  10  */
  11
  12 #include <linux/init.h>
  13 #include <linux/linkage.h>
  14 #include <linux/gpio.h>
  15 #include <linux/fb.h>
  16 #include <linux/platform_device.h>
  17
  18 #include <video/atmel_lcdc.h>
  19
  20 #include <asm/setup.h>
  21
  22 #include <mach/at32ap700x.h>
  23 #include <mach/portmux.h>
  24 #include <mach/board.h>
  25
  26 #include <sound/atmel-ac97c.h>
  27
  28 static struct ac97c_platform_data __initdata ac97c0_data = {
  29         .reset_pin = GPIO_PIN_PB(19),
  30 };
  31
  32 #ifdef CONFIG_BOARD_ATNGW100_EVKLCD10X_VGA
  33 static struct fb_videomode __initdata tcg057vglad_modes[] = {
  34         {
  35                 .name           = "640x480 @ 50",
  36                 .refresh        = 50,
  37                 .xres           = 640,          .yres           = 480,
  38                 .pixclock       = KHZ2PICOS(25180),
  39
  40                 .left_margin    = 64,           .right_margin   = 96,
  41                 .upper_margin   = 34,           .lower_margin   = 11,
  42                 .hsync_len      = 64,           .vsync_len      = 15,
  43
  44                 .sync           = 0,
  45                 .vmode          = FB_VMODE_NONINTERLACED,
  46         },
  47 };
  48
  49 static struct fb_monspecs __initdata atevklcd10x_default_monspecs = {
  50         .manufacturer           = "KYO",
  51         .monitor                = "TCG057VGLAD",
  52         .modedb                 = tcg057vglad_modes,
  53         .modedb_len             = ARRAY_SIZE(tcg057vglad_modes),
  54         .hfmin                  = 19948,
  55         .hfmax                  = 31478,
  56         .vfmin                  = 50,
  57         .vfmax                  = 67,
  58         .dclkmax                = 28330000,
  59 };
  60
  61 static struct atmel_lcdfb_info __initdata atevklcd10x_lcdc_data = {
  62         .default_bpp            = 16,
  63         .default_dmacon         = ATMEL_LCDC_DMAEN | ATMEL_LCDC_DMA2DEN,
  64         .default_lcdcon2        = (ATMEL_LCDC_DISTYPE_TFT
  65                                    | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE
  66                                    | ATMEL_LCDC_MEMOR_BIG),
  67         .default_monspecs       = &atevklcd10x_default_monspecs,
  68         .guard_time             = 2,
  69 };
  70 #elif CONFIG_BOARD_ATNGW100_EVKLCD10X_QVGA
  71 static struct fb_videomode __initdata tcg057qvlad_modes[] = {
  72         {
  73                 .name           = "320x240 @ 50",
  74                 .refresh        = 50,
  75                 .xres           = 320,          .yres           = 240,
  76                 .pixclock       = KHZ2PICOS(6300),
  77
  78                 .left_margin    = 34,           .right_margin   = 46,
  79                 .upper_margin   = 7,            .lower_margin   = 15,
  80                 .hsync_len      = 64,           .vsync_len      = 12,
  81
  82                 .sync           = 0,
  83                 .vmode          = FB_VMODE_NONINTERLACED,
  84         },
  85 };
  86
  87 static struct fb_monspecs __initdata atevklcd10x_default_monspecs = {
  88         .manufacturer           = "KYO",
  89         .monitor                = "TCG057QVLAD",
  90         .modedb                 = tcg057qvlad_modes,
  91         .modedb_len             = ARRAY_SIZE(tcg057qvlad_modes),
  92         .hfmin                  = 19948,
  93         .hfmax                  = 31478,
  94         .vfmin                  = 50,
  95         .vfmax                  = 67,
  96         .dclkmax                = 7000000,
  97 };
  98
  99 static struct atmel_lcdfb_info __initdata atevklcd10x_lcdc_data = {
 100         .default_bpp            = 16,
 101         .default_dmacon         = ATMEL_LCDC_DMAEN | ATMEL_LCDC_DMA2DEN,
 102         .default_lcdcon2        = (ATMEL_LCDC_DISTYPE_TFT
 103                                    | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE
 104                                    | ATMEL_LCDC_MEMOR_BIG),
 105         .default_monspecs       = &atevklcd10x_default_monspecs,
 106         .guard_time             = 2,
 107 };
 108 #elif CONFIG_BOARD_ATNGW100_EVKLCD10X_POW_QVGA
 109 static struct fb_videomode __initdata ph320240t_modes[] = {
 110         {
 111                 .name           = "320x240 @ 60",
 112                 .refresh        = 60,
 113                 .xres           = 320,          .yres           = 240,
 114                 .pixclock       = KHZ2PICOS(6300),
 115
 116                 .left_margin    = 38,           .right_margin   = 20,
 117                 .upper_margin   = 15,           .lower_margin   = 5,
 118                 .hsync_len      = 30,           .vsync_len      = 3,
 119
 120                 .sync           = 0,
 121                 .vmode          = FB_VMODE_NONINTERLACED,
 122         },
 123 };
 124
 125 static struct fb_monspecs __initdata atevklcd10x_default_monspecs = {
 126         .manufacturer           = "POW",
 127         .monitor                = "PH320240T",
 128         .modedb                 = ph320240t_modes,
 129         .modedb_len             = ARRAY_SIZE(ph320240t_modes),
 130         .hfmin                  = 14400,
 131         .hfmax                  = 21600,
 132         .vfmin                  = 50,
 133         .vfmax                  = 90,
 134         .dclkmax                = 6400000,
 135 };
 136
 137 static struct atmel_lcdfb_info __initdata atevklcd10x_lcdc_data = {
 138         .default_bpp            = 16,
 139         .default_dmacon         = ATMEL_LCDC_DMAEN | ATMEL_LCDC_DMA2DEN,
 140         .default_lcdcon2        = (ATMEL_LCDC_DISTYPE_TFT
 141                                    | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE
 142                                    | ATMEL_LCDC_MEMOR_BIG),
 143         .default_monspecs       = &atevklcd10x_default_monspecs,
 144         .guard_time             = 2,
 145 };
 146 #endif
 147
 148 static void atevklcd10x_lcdc_power_control(int on)
 149 {
 150         gpio_set_value(GPIO_PIN_PB(15), on);
 151 }
 152
 153 static int __init atevklcd10x_init(void)
 154 {
 155         /* PB15 is connected to the enable line on the boost regulator
 156          * controlling the backlight for the LCD panel.
 157          */
 158         at32_select_gpio(GPIO_PIN_PB(15), AT32_GPIOF_OUTPUT);
 159         gpio_request(GPIO_PIN_PB(15), "backlight");
 160         gpio_direction_output(GPIO_PIN_PB(15), 0);
 161
 162         atevklcd10x_lcdc_data.atmel_lcdfb_power_control =
 163                 atevklcd10x_lcdc_power_control;
 164
 165         at32_add_device_lcdc(0, &atevklcd10x_lcdc_data,
 166                         fbmem_start, fbmem_size,
 167 #ifdef CONFIG_BOARD_ATNGW100_MKII
 168                         ATMEL_LCDC_PRI_18BIT | ATMEL_LCDC_PC_DVAL
 169 #else
 170                         ATMEL_LCDC_ALT_18BIT | ATMEL_LCDC_PE_DVAL
 171 #endif
 172                         );
 173
 174         at32_add_device_ac97c(0, &ac97c0_data, AC97C_BOTH);
 175
 176         return 0;
 177 }
 178 postcore_initcall(atevklcd10x_init);