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awilliam
GitHub Repository: awilliam/linux-vfio
 Path: blob/master/arch/arm/mach-omap2/board-rx51-video.c
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/*

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 * linux/arch/arm/mach-omap2/board-rx51-video.c

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 *

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 * Copyright (C) 2010 Nokia

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 *

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 * This program is free software; you can redistribute it and/or modify

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 * it under the terms of the GNU General Public License version 2 as

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 * published by the Free Software Foundation.

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 */

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#include <linux/kernel.h>

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#include <linux/init.h>

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#include <linux/platform_device.h>

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#include <linux/gpio.h>

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#include <linux/spi/spi.h>

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#include <linux/mm.h>

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#include <asm/mach-types.h>

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#include <video/omapdss.h>

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#include <plat/vram.h>

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#include <plat/mcspi.h>

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#include <mach/board-rx51.h>

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#include "mux.h"

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#define RX51_LCD_RESET_GPIO	90

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

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static int rx51_lcd_enable(struct omap_dss_device *dssdev)

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{

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	gpio_set_value(dssdev->reset_gpio, 1);

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	return 0;

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}

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static void rx51_lcd_disable(struct omap_dss_device *dssdev)

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{

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	gpio_set_value(dssdev->reset_gpio, 0);

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}

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static struct omap_dss_device rx51_lcd_device = {

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	.name			= "lcd",

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	.driver_name		= "panel-acx565akm",

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	.type			= OMAP_DISPLAY_TYPE_SDI,

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	.phy.sdi.datapairs	= 2,

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	.reset_gpio		= RX51_LCD_RESET_GPIO,

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	.platform_enable	= rx51_lcd_enable,

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	.platform_disable	= rx51_lcd_disable,

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};

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static struct omap_dss_device  rx51_tv_device = {

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	.name			= "tv",

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	.type			= OMAP_DISPLAY_TYPE_VENC,

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	.driver_name		= "venc",

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	.phy.venc.type	        = OMAP_DSS_VENC_TYPE_COMPOSITE,

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};

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static struct omap_dss_device *rx51_dss_devices[] = {

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	&rx51_lcd_device,

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	&rx51_tv_device,

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};

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static struct omap_dss_board_info rx51_dss_board_info = {

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	.num_devices	= ARRAY_SIZE(rx51_dss_devices),

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	.devices	= rx51_dss_devices,

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	.default_device	= &rx51_lcd_device,

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};

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static int __init rx51_video_init(void)

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{

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	if (!machine_is_nokia_rx51())

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		return 0;

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	if (omap_mux_init_gpio(RX51_LCD_RESET_GPIO, OMAP_PIN_OUTPUT)) {

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		pr_err("%s cannot configure MUX for LCD RESET\n", __func__);

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		return 0;

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	}

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	if (gpio_request_one(RX51_LCD_RESET_GPIO, GPIOF_OUT_INIT_HIGH,

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			     "LCD ACX565AKM reset")) {

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		pr_err("%s failed to get LCD Reset GPIO\n", __func__);

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		return 0;

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	}

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	omap_display_init(&rx51_dss_board_info);

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	return 0;

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}

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subsys_initcall(rx51_video_init);

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void __init rx51_video_mem_init(void)

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{

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	/*

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	 * GFX 864x480x32bpp

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	 * VID1/2 1280x720x32bpp double buffered

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	 */

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	omap_vram_set_sdram_vram(PAGE_ALIGN(864 * 480 * 4) +

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			2 * PAGE_ALIGN(1280 * 720 * 4 * 2), 0);

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}

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#else

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void __init rx51_video_mem_init(void) { }

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#endif /* defined(CONFIG_FB_OMAP2) || defined(CONFIG_FB_OMAP2_MODULE) */

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