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/*
* DMM driver support functions for TI OMAP processors.
*
* Copyright (C) 2010 Texas Instruments Incorporated - http://www.ti.com/
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation version 2.
*
* This program is distributed "as is" WITHOUT ANY WARRANTY of any
* kind, whether express or implied; without even the implied warranty
* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <linux/io.h>
#include <linux/init.h>
#include <linux/module.h>
#include <mach/dmm.h>
#include <plat/omap_device.h>
#include <plat/omap_hwmod.h>
#include <linux/errno.h>
#include <linux/err.h>
#include <mach/dmm.h>
#include <mach/tiler.h>
#ifdef CONFIG_TI_TILER
static struct omap_dmm_platform_data dmm_data = {
.oh_name = "dmm",
};
static struct platform_device omap_tiler_device = {
.name = "tiler",
.id = -1,
};
static struct omap_device_pm_latency omap_dmm_latency[] = {
[0] = {
.deactivate_func = omap_device_idle_hwmods,
.activate_func = omap_device_enable_hwmods,
.flags = OMAP_DEVICE_LATENCY_AUTO_ADJUST,
},
};
void __init omap_dmm_init(void)
{
struct omap_hwmod *oh = NULL;
struct omap_device *od = NULL;
oh = omap_hwmod_lookup(dmm_data.oh_name);
if (!oh)
return;
dmm_data.base = omap_hwmod_get_mpu_rt_va(oh);
dmm_data.irq = oh->mpu_irqs[0].irq;
od = omap_device_build(dmm_data.oh_name, -1, oh, &dmm_data,
sizeof(dmm_data), omap_dmm_latency,
ARRAY_SIZE(omap_dmm_latency), false);
/* register tiler platform device to go along with the dmm device */
if (platform_device_register(&omap_tiler_device) < 0)
printk(KERN_ERR "Unable to register OMAP Tiler device\n");
return;
}
#else
void __init omap_dmm_init(void)
{
}
#endif
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