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/*
* drivers/video/tegra/host/chip_support.c
*
* Tegra Graphics Host Chip support module
*
* Copyright (c) 2012, NVIDIA Corporation.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope 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/errno.h>
#include <linux/types.h>
#include <linux/bug.h>
#include <linux/slab.h>
#include "chip_support.h"
#include "t20/t20.h"
#include "t30/t30.h"
#include "t114/t114.h"
#include <mach/hardware.h>
struct nvhost_chip_support *nvhost_chip_ops;
struct nvhost_chip_support *nvhost_get_chip_ops(void)
{
return nvhost_chip_ops;
}
int nvhost_init_chip_support(struct nvhost_master *host)
{
int err = 0;
if (nvhost_chip_ops == NULL) {
nvhost_chip_ops = kzalloc(sizeof(*nvhost_chip_ops), GFP_KERNEL);
if (nvhost_chip_ops == NULL) {
pr_err("%s: Cannot allocate nvhost_chip_support\n",
__func__);
return 0;
}
}
switch (tegra_get_chipid()) {
case TEGRA_CHIPID_TEGRA2:
nvhost_chip_ops->soc_name = "tegra2x";
err = nvhost_init_t20_support(host, nvhost_chip_ops);
break;
case TEGRA_CHIPID_TEGRA3:
nvhost_chip_ops->soc_name = "tegra3x";
err = nvhost_init_t30_support(host, nvhost_chip_ops);
break;
case TEGRA_CHIPID_TEGRA11:
nvhost_chip_ops->soc_name = "tegra11x";
err = nvhost_init_t114_support(host, nvhost_chip_ops);
break;
default:
err = -ENODEV;
}
return err;
}
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