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/*
* include/linux/nvhost_ioctl.h
*
* Tegra graphics host driver
*
* Copyright (c) 2009-2012, 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 __LINUX_NVHOST_IOCTL_H
#define __LINUX_NVHOST_IOCTL_H
#include <linux/ioctl.h>
#include <linux/types.h>
#if !defined(__KERNEL__)
#define __user
#endif
#define NVHOST_INVALID_SYNCPOINT 0xFFFFFFFF
#define NVHOST_NO_TIMEOUT (-1)
#define NVHOST_NO_CONTEXT 0x0
#define NVHOST_IOCTL_MAGIC 'H'
#define NVHOST_PRIORITY_LOW 50
#define NVHOST_PRIORITY_MEDIUM 100
#define NVHOST_PRIORITY_HIGH 150
/* version 0 header (used with write() submit interface) */
struct nvhost_submit_hdr {
__u32 syncpt_id;
__u32 syncpt_incrs;
__u32 num_cmdbufs;
__u32 num_relocs;
};
#define NVHOST_SUBMIT_VERSION_V0 0x0
#define NVHOST_SUBMIT_VERSION_V1 0x1
#define NVHOST_SUBMIT_VERSION_V2 0x2
#define NVHOST_SUBMIT_VERSION_MAX_SUPPORTED NVHOST_SUBMIT_VERSION_V2
/* version 1 header (used with ioctl() submit interface) */
struct nvhost_submit_hdr_ext {
__u32 syncpt_id; /* version 0 fields */
__u32 syncpt_incrs;
__u32 num_cmdbufs;
__u32 num_relocs;
__u32 submit_version; /* version 1 fields */
__u32 num_waitchks;
__u32 waitchk_mask;
__u32 pad[5]; /* future expansion */
};
struct nvhost_cmdbuf {
__u32 mem;
__u32 offset;
__u32 words;
};
struct nvhost_reloc {
__u32 cmdbuf_mem;
__u32 cmdbuf_offset;
__u32 target;
__u32 target_offset;
};
struct nvhost_reloc_shift {
__u32 shift;
};
struct nvhost_waitchk {
__u32 mem;
__u32 offset;
__u32 syncpt_id;
__u32 thresh;
};
struct nvhost_get_param_args {
__u32 value;
};
struct nvhost_set_nvmap_fd_args {
__u32 fd;
};
struct nvhost_read_3d_reg_args {
__u32 offset;
__u32 value;
};
struct nvhost_clk_rate_args {
__u64 rate;
};
struct nvhost_set_timeout_args {
__u32 timeout;
};
struct nvhost_set_priority_args {
__u32 priority;
};
#define NVHOST_IOCTL_CHANNEL_FLUSH \
_IOR(NVHOST_IOCTL_MAGIC, 1, struct nvhost_get_param_args)
#define NVHOST_IOCTL_CHANNEL_GET_SYNCPOINTS \
_IOR(NVHOST_IOCTL_MAGIC, 2, struct nvhost_get_param_args)
#define NVHOST_IOCTL_CHANNEL_GET_WAITBASES \
_IOR(NVHOST_IOCTL_MAGIC, 3, struct nvhost_get_param_args)
#define NVHOST_IOCTL_CHANNEL_GET_MODMUTEXES \
_IOR(NVHOST_IOCTL_MAGIC, 4, struct nvhost_get_param_args)
#define NVHOST_IOCTL_CHANNEL_SET_NVMAP_FD \
_IOW(NVHOST_IOCTL_MAGIC, 5, struct nvhost_set_nvmap_fd_args)
#define NVHOST_IOCTL_CHANNEL_NULL_KICKOFF \
_IOR(NVHOST_IOCTL_MAGIC, 6, struct nvhost_get_param_args)
#define NVHOST_IOCTL_CHANNEL_SUBMIT_EXT \
_IOW(NVHOST_IOCTL_MAGIC, 7, struct nvhost_submit_hdr_ext)
#define NVHOST_IOCTL_CHANNEL_READ_3D_REG \
_IOWR(NVHOST_IOCTL_MAGIC, 8, struct nvhost_read_3d_reg_args)
#define NVHOST_IOCTL_CHANNEL_GET_CLK_RATE \
_IOR(NVHOST_IOCTL_MAGIC, 9, struct nvhost_clk_rate_args)
#define NVHOST_IOCTL_CHANNEL_SET_CLK_RATE \
_IOW(NVHOST_IOCTL_MAGIC, 10, struct nvhost_clk_rate_args)
#define NVHOST_IOCTL_CHANNEL_SET_TIMEOUT \
_IOW(NVHOST_IOCTL_MAGIC, 11, struct nvhost_set_timeout_args)
#define NVHOST_IOCTL_CHANNEL_GET_TIMEDOUT \
_IOR(NVHOST_IOCTL_MAGIC, 12, struct nvhost_get_param_args)
#define NVHOST_IOCTL_CHANNEL_SET_PRIORITY \
_IOW(NVHOST_IOCTL_MAGIC, 13, struct nvhost_set_priority_args)
#define NVHOST_IOCTL_CHANNEL_LAST \
_IOC_NR(NVHOST_IOCTL_CHANNEL_SET_PRIORITY)
#define NVHOST_IOCTL_CHANNEL_MAX_ARG_SIZE sizeof(struct nvhost_submit_hdr_ext)
struct nvhost_ctrl_syncpt_read_args {
__u32 id;
__u32 value;
};
struct nvhost_ctrl_syncpt_incr_args {
__u32 id;
};
struct nvhost_ctrl_syncpt_wait_args {
__u32 id;
__u32 thresh;
__s32 timeout;
};
struct nvhost_ctrl_syncpt_waitex_args {
__u32 id;
__u32 thresh;
__s32 timeout;
__u32 value;
};
struct nvhost_ctrl_module_mutex_args {
__u32 id;
__u32 lock;
};
enum nvhost_module_id {
NVHOST_MODULE_NONE = -1,
NVHOST_MODULE_DISPLAY_A = 0,
NVHOST_MODULE_DISPLAY_B,
NVHOST_MODULE_VI,
NVHOST_MODULE_ISP,
NVHOST_MODULE_MPE,
};
struct nvhost_ctrl_module_regrdwr_args {
__u32 id;
__u32 num_offsets;
__u32 block_size;
__u32 *offsets;
__u32 *values;
__u32 write;
};
#define NVHOST_IOCTL_CTRL_SYNCPT_READ \
_IOWR(NVHOST_IOCTL_MAGIC, 1, struct nvhost_ctrl_syncpt_read_args)
#define NVHOST_IOCTL_CTRL_SYNCPT_INCR \
_IOW(NVHOST_IOCTL_MAGIC, 2, struct nvhost_ctrl_syncpt_incr_args)
#define NVHOST_IOCTL_CTRL_SYNCPT_WAIT \
_IOW(NVHOST_IOCTL_MAGIC, 3, struct nvhost_ctrl_syncpt_wait_args)
#define NVHOST_IOCTL_CTRL_MODULE_MUTEX \
_IOWR(NVHOST_IOCTL_MAGIC, 4, struct nvhost_ctrl_module_mutex_args)
#define NVHOST_IOCTL_CTRL_MODULE_REGRDWR \
_IOWR(NVHOST_IOCTL_MAGIC, 5, struct nvhost_ctrl_module_regrdwr_args)
#define NVHOST_IOCTL_CTRL_SYNCPT_WAITEX \
_IOWR(NVHOST_IOCTL_MAGIC, 6, struct nvhost_ctrl_syncpt_waitex_args)
#define NVHOST_IOCTL_CTRL_GET_VERSION \
_IOR(NVHOST_IOCTL_MAGIC, 7, struct nvhost_get_param_args)
#define NVHOST_IOCTL_CTRL_LAST \
_IOC_NR(NVHOST_IOCTL_CTRL_GET_VERSION)
#define NVHOST_IOCTL_CTRL_MAX_ARG_SIZE \
sizeof(struct nvhost_ctrl_module_regrdwr_args)
#endif
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