evklcd10x.c

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/*
 * Board-specific setup code for the ATEVKLCD10X addon board to the ATNGW100
 * Network Gateway
 *
 * Copyright (C) 2008 Atmel Corporation
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 as published by
 * the Free Software Foundation.
 */

#include <linux/init.h>
#include <linux/linkage.h>
#include <linux/gpio.h>
#include <linux/fb.h>
#include <linux/platform_device.h>

#include <video/atmel_lcdc.h>

#include <asm/setup.h>

#include <mach/at32ap700x.h>
#include <mach/portmux.h>
#include <mach/board.h>

#include <sound/atmel-ac97c.h>

static struct ac97c_platform_data __initdata ac97c0_data = {
    .reset_pin = GPIO_PIN_PB(19),
};

#ifdef CONFIG_BOARD_ATNGW100_EVKLCD10X_VGA
static struct fb_videomode __initdata tcg057vglad_modes[] = {
    {
        .name       = "640x480 @ 50",
        .refresh    = 50,
        .xres       = 640,      .yres       = 480,
        .pixclock   = KHZ2PICOS(25180),

        .left_margin    = 64,       .right_margin   = 96,
        .upper_margin   = 34,       .lower_margin   = 11,
        .hsync_len  = 64,       .vsync_len  = 15,

        .sync       = 0,
        .vmode      = FB_VMODE_NONINTERLACED,
    },
};

static struct fb_monspecs __initdata atevklcd10x_default_monspecs = {
    .manufacturer       = "KYO",
    .monitor        = "TCG057VGLAD",
    .modedb         = tcg057vglad_modes,
    .modedb_len     = ARRAY_SIZE(tcg057vglad_modes),
    .hfmin          = 19948,
    .hfmax          = 31478,
    .vfmin          = 50,
    .vfmax          = 67,
    .dclkmax        = 28330000,
};

static struct atmel_lcdfb_info __initdata atevklcd10x_lcdc_data = {
    .default_bpp        = 16,
    .default_dmacon     = ATMEL_LCDC_DMAEN | ATMEL_LCDC_DMA2DEN,
    .default_lcdcon2    = (ATMEL_LCDC_DISTYPE_TFT
                   | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE
                   | ATMEL_LCDC_MEMOR_BIG),
    .default_monspecs   = &atevklcd10x_default_monspecs,
    .guard_time     = 2,
};
#elif CONFIG_BOARD_ATNGW100_EVKLCD10X_QVGA
static struct fb_videomode __initdata tcg057qvlad_modes[] = {
    {
        .name       = "320x240 @ 50",
        .refresh    = 50,
        .xres       = 320,      .yres       = 240,
        .pixclock   = KHZ2PICOS(6300),

        .left_margin    = 34,       .right_margin   = 46,
        .upper_margin   = 7,        .lower_margin   = 15,
        .hsync_len  = 64,       .vsync_len  = 12,

        .sync       = 0,
        .vmode      = FB_VMODE_NONINTERLACED,
    },
};

static struct fb_monspecs __initdata atevklcd10x_default_monspecs = {
    .manufacturer       = "KYO",
    .monitor        = "TCG057QVLAD",
    .modedb         = tcg057qvlad_modes,
    .modedb_len     = ARRAY_SIZE(tcg057qvlad_modes),
    .hfmin          = 19948,
    .hfmax          = 31478,
    .vfmin          = 50,
    .vfmax          = 67,
    .dclkmax        = 7000000,
};

static struct atmel_lcdfb_info __initdata atevklcd10x_lcdc_data = {
    .default_bpp        = 16,
    .default_dmacon     = ATMEL_LCDC_DMAEN | ATMEL_LCDC_DMA2DEN,
    .default_lcdcon2    = (ATMEL_LCDC_DISTYPE_TFT
                   | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE
                   | ATMEL_LCDC_MEMOR_BIG),
    .default_monspecs   = &atevklcd10x_default_monspecs,
    .guard_time     = 2,
};
#elif CONFIG_BOARD_ATNGW100_EVKLCD10X_POW_QVGA
static struct fb_videomode __initdata ph320240t_modes[] = {
    {
        .name       = "320x240 @ 60",
        .refresh    = 60,
        .xres       = 320,      .yres       = 240,
        .pixclock   = KHZ2PICOS(6300),

        .left_margin    = 38,       .right_margin   = 20,
        .upper_margin   = 15,       .lower_margin   = 5,
        .hsync_len  = 30,       .vsync_len  = 3,

        .sync       = 0,
        .vmode      = FB_VMODE_NONINTERLACED,
    },
};

static struct fb_monspecs __initdata atevklcd10x_default_monspecs = {
    .manufacturer       = "POW",
    .monitor        = "PH320240T",
    .modedb         = ph320240t_modes,
    .modedb_len     = ARRAY_SIZE(ph320240t_modes),
    .hfmin          = 14400,
    .hfmax          = 21600,
    .vfmin          = 50,
    .vfmax          = 90,
    .dclkmax        = 6400000,
};

static struct atmel_lcdfb_info __initdata atevklcd10x_lcdc_data = {
    .default_bpp        = 16,
    .default_dmacon     = ATMEL_LCDC_DMAEN | ATMEL_LCDC_DMA2DEN,
    .default_lcdcon2    = (ATMEL_LCDC_DISTYPE_TFT
                   | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE
                   | ATMEL_LCDC_MEMOR_BIG),
    .default_monspecs   = &atevklcd10x_default_monspecs,
    .guard_time     = 2,
};
#endif

static void atevklcd10x_lcdc_power_control(int on)
{
    gpio_set_value(GPIO_PIN_PB(15), on);
}

static int __init atevklcd10x_init(void)
{
    /* PB15 is connected to the enable line on the boost regulator
     * controlling the backlight for the LCD panel.
     */
    at32_select_gpio(GPIO_PIN_PB(15), AT32_GPIOF_OUTPUT);
    gpio_request(GPIO_PIN_PB(15), "backlight");
    gpio_direction_output(GPIO_PIN_PB(15), 0);

    atevklcd10x_lcdc_data.atmel_lcdfb_power_control =
        atevklcd10x_lcdc_power_control;

    at32_add_device_lcdc(0, &atevklcd10x_lcdc_data,
            fbmem_start, fbmem_size,
#ifdef CONFIG_BOARD_ATNGW100_MKII
            ATMEL_LCDC_PRI_18BIT | ATMEL_LCDC_PC_DVAL
#else
            ATMEL_LCDC_ALT_18BIT | ATMEL_LCDC_PE_DVAL
#endif
            );

    at32_add_device_ac97c(0, &ac97c0_data, AC97C_BOTH);

    return 0;
}
postcore_initcall(atevklcd10x_init);