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board-rx51-video.c

/*
 * 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 <plat/display.h>
#include <plat/vram.h>
#include <plat/mcspi.h>

#include <mach/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,
};

struct platform_device rx51_display_device = {
      .name = "omapdss",
      .id   = -1,
      .dev  = {
            .platform_data = &rx51_dss_board_info,
      },
};

static struct platform_device *rx51_video_devices[] __initdata = {
      &rx51_display_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(RX51_LCD_RESET_GPIO, "LCD ACX565AKM reset")) {
            pr_err("%s failed to get LCD Reset GPIO\n", __func__);
            return 0;
      }

      gpio_direction_output(RX51_LCD_RESET_GPIO, 1);

      platform_add_devices(rx51_video_devices,
                        ARRAY_SIZE(rx51_video_devices));
      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) */

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