board-rx51-video.c

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/*
 * linux/arch/arm/mach-omap2/board-rx51-video.c
 *
 * Copyright (C) 2010 Nokia
 *
 * 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/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/gpio.h>
#include <linux/spi/spi.h>
#include <linux/mm.h>
#include <asm/mach-types.h>
#include <video/omapdss.h>
#include <plat/vram.h>
#include <linux/platform_data/spi-omap2-mcspi.h>

#include "board-rx51.h"

#include "mux.h"

#define RX51_LCD_RESET_GPIO 90

#if defined(CONFIG_FB_OMAP2) || defined(CONFIG_FB_OMAP2_MODULE)

static int rx51_lcd_enable(struct omap_dss_device *dssdev)
{
    gpio_set_value(dssdev->reset_gpio, 1);
    return 0;
}

static void rx51_lcd_disable(struct omap_dss_device *dssdev)
{
    gpio_set_value(dssdev->reset_gpio, 0);
}

static struct omap_dss_device rx51_lcd_device = {
    .name           = "lcd",
    .driver_name        = "panel-acx565akm",
    .type           = OMAP_DISPLAY_TYPE_SDI,
    .phy.sdi.datapairs  = 2,
    .reset_gpio     = RX51_LCD_RESET_GPIO,
    .platform_enable    = rx51_lcd_enable,
    .platform_disable   = rx51_lcd_disable,
};

static struct omap_dss_device  rx51_tv_device = {
    .name           = "tv",
    .type           = OMAP_DISPLAY_TYPE_VENC,
    .driver_name        = "venc",
    .phy.venc.type          = OMAP_DSS_VENC_TYPE_COMPOSITE,
};

static struct omap_dss_device *rx51_dss_devices[] = {
    &rx51_lcd_device,
    &rx51_tv_device,
};

static struct omap_dss_board_info rx51_dss_board_info = {
    .num_devices    = ARRAY_SIZE(rx51_dss_devices),
    .devices    = rx51_dss_devices,
    .default_device = &rx51_lcd_device,
};

static int __init rx51_video_init(void)
{
    if (!machine_is_nokia_rx51())
        return 0;

    if (omap_mux_init_gpio(RX51_LCD_RESET_GPIO, OMAP_PIN_OUTPUT)) {
        pr_err("%s cannot configure MUX for LCD RESET\n", __func__);
        return 0;
    }

    if (gpio_request_one(RX51_LCD_RESET_GPIO, GPIOF_OUT_INIT_HIGH,
                 "LCD ACX565AKM reset")) {
        pr_err("%s failed to get LCD Reset GPIO\n", __func__);
        return 0;
    }

    omap_display_init(&rx51_dss_board_info);
    return 0;
}

subsys_initcall(rx51_video_init);

void __init rx51_video_mem_init(void)
{
    /*
     * GFX 864x480x32bpp
     * VID1/2 1280x720x32bpp double buffered
     */
    omap_vram_set_sdram_vram(PAGE_ALIGN(864 * 480 * 4) +
            2 * PAGE_ALIGN(1280 * 720 * 4 * 2), 0);
}

#else
void __init rx51_video_mem_init(void) { }
#endif /* defined(CONFIG_FB_OMAP2) || defined(CONFIG_FB_OMAP2_MODULE) */