drm.c

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/*
 * DRM/KMS device registration for TI OMAP platforms
 *
 * Copyright (C) 2012 Texas Instruments
 * Author: Rob Clark <[email protected]>
 *
 * 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.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along with
 * this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/mm.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/dma-mapping.h>

#include <plat/omap_device.h>
#include <plat/omap_hwmod.h>

#if defined(CONFIG_DRM_OMAP) || (CONFIG_DRM_OMAP_MODULE)

static struct platform_device omap_drm_device = {
    .dev = {
        .coherent_dma_mask = DMA_BIT_MASK(32),
    },
    .name = "omapdrm",
    .id = 0,
};

static int __init omap_init_drm(void)
{
    struct omap_hwmod *oh = NULL;
    struct platform_device *pdev;

    /* lookup and populate the DMM information, if present - OMAP4+ */
    oh = omap_hwmod_lookup("dmm");

    if (oh) {
        pdev = omap_device_build(oh->name, -1, oh, NULL, 0, NULL, 0,
                    false);
        WARN(IS_ERR(pdev), "Could not build omap_device for %s\n",
            oh->name);
    }

    return platform_device_register(&omap_drm_device);

}

arch_initcall(omap_init_drm);

#endif