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/* include/linux/tegra_mediaserver.h
*
* Media Server driver for NVIDIA Tegra SoCs
*
* Copyright (c) 2011, NVIDIA Corporation.
*
* 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; either version 2 of the License, or
* (at your option) any later version.
*
* 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, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifndef _TEGRA_MEDIASERVER_H
#define _TEGRA_MEDIASERVER_H
#include <linux/ioctl.h>
#define TEGRA_MEDIASERVER_MAGIC 'm'
#define TEGRA_MEDIASERVER_IOCTL_ALLOC \
_IOWR(TEGRA_MEDIASERVER_MAGIC, 0x40, \
union tegra_mediaserver_alloc_info)
enum tegra_mediaserver_resource_type {
TEGRA_MEDIASERVER_RESOURCE_BLOCK = 0,
TEGRA_MEDIASERVER_RESOURCE_IRAM,
};
enum tegra_mediaserver_block_type {
TEGRA_MEDIASERVER_BLOCK_AUDDEC = 0,
TEGRA_MEDIASERVER_BLOCK_VIDDEC,
};
enum tegra_mediaserver_iram_type {
TEGRA_MEDIASERVER_IRAM_SCRATCH = 0,
TEGRA_MEDIASERVER_IRAM_SHARED,
};
struct tegra_mediaserver_block_info {
int nvmm_block_handle;
int avp_block_handle;
int avp_block_library_handle;
int service_handle;
int service_library_handle;
};
struct tegra_mediaserver_iram_info {
unsigned long rm_handle;
int physical_address;
};
union tegra_mediaserver_alloc_info {
struct {
int tegra_mediaserver_resource_type;
union {
struct tegra_mediaserver_block_info block;
struct {
int tegra_mediaserver_iram_type;
int alignment;
size_t size;
} iram;
} u;
} in;
struct {
union {
struct {
int count;
} block;
struct tegra_mediaserver_iram_info iram;
} u;
} out;
};
#define TEGRA_MEDIASERVER_IOCTL_FREE \
_IOR(TEGRA_MEDIASERVER_MAGIC, 0x41, union tegra_mediaserver_free_info)
union tegra_mediaserver_free_info {
struct {
int tegra_mediaserver_resource_type;
union {
int nvmm_block_handle;
int iram_rm_handle;
} u;
} in;
};
#define TEGRA_MEDIASERVER_IOCTL_UPDATE_BLOCK_INFO \
_IOR(TEGRA_MEDIASERVER_MAGIC, 0x45, \
union tegra_mediaserver_update_block_info)
union tegra_mediaserver_update_block_info {
struct tegra_mediaserver_block_info in;
};
#endif
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