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 static struct ac97c_platform_data __initdata ac97c0_data = {
  27         .dma_rx_periph_id       = 3,
  28         .dma_tx_periph_id       = 4,
  29         .dma_controller_id      = 0,
  30         .reset_pin              = GPIO_PIN_PB(19),
  31 };
  32
  33 #ifdef CONFIG_BOARD_ATNGW100_EVKLCD10X_VGA
  34 static struct fb_videomode __initdata tcg057vglad_modes[] = {
  35         {
  36                 .name           = "640x480 @ 50",
  37                 .refresh        = 50,
  38                 .xres           = 640,          .yres           = 480,
  39                 .pixclock       = KHZ2PICOS(25180),
  40
  41                 .left_margin    = 64,           .right_margin   = 96,
  42                 .upper_margin   = 34,           .lower_margin   = 11,
  43                 .hsync_len      = 64,           .vsync_len      = 15,
  44
  45                 .sync           = 0,
  46                 .vmode          = FB_VMODE_NONINTERLACED,
  47         },
  48 };
  49
  50 static struct fb_monspecs __initdata atevklcd10x_default_monspecs = {
  51         .manufacturer           = "KYO",
  52         .monitor                = "TCG057VGLAD",
  53         .modedb                 = tcg057vglad_modes,
  54         .modedb_len             = ARRAY_SIZE(tcg057vglad_modes),
  55         .hfmin                  = 19948,
  56         .hfmax                  = 31478,
  57         .vfmin                  = 50,
  58         .vfmax                  = 67,
  59         .dclkmax                = 28330000,
  60 };
  61
  62 static struct atmel_lcdfb_info __initdata atevklcd10x_lcdc_data = {
  63         .default_bpp            = 16,
  64         .default_dmacon         = ATMEL_LCDC_DMAEN | ATMEL_LCDC_DMA2DEN,
  65         .default_lcdcon2        = (ATMEL_LCDC_DISTYPE_TFT
  66                                    | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE
  67                                    | ATMEL_LCDC_MEMOR_BIG),
  68         .default_monspecs       = &atevklcd10x_default_monspecs,
  69         .guard_time             = 2,
  70 };
  71 #elif CONFIG_BOARD_ATNGW100_EVKLCD10X_QVGA
  72 static struct fb_videomode __initdata tcg057qvlad_modes[] = {
  73         {
  74                 .name           = "320x240 @ 50",
  75                 .refresh        = 50,
  76                 .xres           = 320,          .yres           = 240,
  77                 .pixclock       = KHZ2PICOS(6300),
  78
  79                 .left_margin    = 34,           .right_margin   = 46,
  80                 .upper_margin   = 7,            .lower_margin   = 15,
  81                 .hsync_len      = 64,           .vsync_len      = 12,
  82
  83                 .sync           = 0,
  84                 .vmode          = FB_VMODE_NONINTERLACED,
  85         },
  86 };
  87
  88 static struct fb_monspecs __initdata atevklcd10x_default_monspecs = {
  89         .manufacturer           = "KYO",
  90         .monitor                = "TCG057QVLAD",
  91         .modedb                 = tcg057qvlad_modes,
  92         .modedb_len             = ARRAY_SIZE(tcg057qvlad_modes),
  93         .hfmin                  = 19948,
  94         .hfmax                  = 31478,
  95         .vfmin                  = 50,
  96         .vfmax                  = 67,
  97         .dclkmax                = 7000000,
  98 };
  99
 100 static struct atmel_lcdfb_info __initdata atevklcd10x_lcdc_data = {
 101         .default_bpp            = 16,
 102         .default_dmacon         = ATMEL_LCDC_DMAEN | ATMEL_LCDC_DMA2DEN,
 103         .default_lcdcon2        = (ATMEL_LCDC_DISTYPE_TFT
 104                                    | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE
 105                                    | ATMEL_LCDC_MEMOR_BIG),
 106         .default_monspecs       = &atevklcd10x_default_monspecs,
 107         .guard_time             = 2,
 108 };
 109 #elif CONFIG_BOARD_ATNGW100_EVKLCD10X_POW_QVGA
 110 static struct fb_videomode __initdata ph320240t_modes[] = {
 111         {
 112                 .name           = "320x240 @ 60",
 113                 .refresh        = 60,
 114                 .xres           = 320,          .yres           = 240,
 115                 .pixclock       = KHZ2PICOS(6300),
 116
 117                 .left_margin    = 38,           .right_margin   = 20,
 118                 .upper_margin   = 15,           .lower_margin   = 5,
 119                 .hsync_len      = 30,           .vsync_len      = 3,
 120
 121                 .sync           = 0,
 122                 .vmode          = FB_VMODE_NONINTERLACED,
 123         },
 124 };
 125
 126 static struct fb_monspecs __initdata atevklcd10x_default_monspecs = {
 127         .manufacturer           = "POW",
 128         .monitor                = "PH320240T",
 129         .modedb                 = ph320240t_modes,
 130         .modedb_len             = ARRAY_SIZE(ph320240t_modes),
 131         .hfmin                  = 14400,
 132         .hfmax                  = 21600,
 133         .vfmin                  = 50,
 134         .vfmax                  = 90,
 135         .dclkmax                = 6400000,
 136 };
 137
 138 static struct atmel_lcdfb_info __initdata atevklcd10x_lcdc_data = {
 139         .default_bpp            = 16,
 140         .default_dmacon         = ATMEL_LCDC_DMAEN | ATMEL_LCDC_DMA2DEN,
 141         .default_lcdcon2        = (ATMEL_LCDC_DISTYPE_TFT
 142                                    | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE
 143                                    | ATMEL_LCDC_MEMOR_BIG),
 144         .default_monspecs       = &atevklcd10x_default_monspecs,
 145         .guard_time             = 2,
 146 };
 147 #endif
 148
 149 static void atevklcd10x_lcdc_power_control(int on)
 150 {
 151         gpio_set_value(GPIO_PIN_PB(15), on);
 152 }
 153
 154 static int __init atevklcd10x_init(void)
 155 {
 156         /* PB15 is connected to the enable line on the boost regulator
 157          * controlling the backlight for the LCD panel.
 158          */
 159         at32_select_gpio(GPIO_PIN_PB(15), AT32_GPIOF_OUTPUT);
 160         gpio_request(GPIO_PIN_PB(15), "backlight");
 161         gpio_direction_output(GPIO_PIN_PB(15), 0);
 162
 163         atevklcd10x_lcdc_data.atmel_lcdfb_power_control =
 164                 atevklcd10x_lcdc_power_control;
 165
 166         at32_add_device_lcdc(0, &atevklcd10x_lcdc_data,
 167                         fbmem_start, fbmem_size,
 168                         ATMEL_LCDC_ALT_18BIT | ATMEL_LCDC_PE_DVAL);
 169
 170         at32_add_device_ac97c(0, &ac97c0_data);
 171
 172         return 0;
 173 }
 174 postcore_initcall(atevklcd10x_init);