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/*
* include/linux/nvhost.h
*
* Tegra graphics host driver
*
* Copyright (c) 2009-2010, 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_H
#define __LINUX_NVHOST_H
#include <linux/device.h>
#include <linux/ioctl.h>
#include <linux/types.h>
struct nvhost_master;
struct nvhost_device {
const char *name;
struct device dev;
int id;
u32 num_resources;
struct resource *resource;
struct nvhost_master *host;
};
extern int nvhost_device_register(struct nvhost_device *);
extern void nvhost_device_unregister(struct nvhost_device *);
extern struct bus_type nvhost_bus_type;
struct nvhost_driver {
int (*probe)(struct nvhost_device *);
int (*remove)(struct nvhost_device *);
void (*shutdown)(struct nvhost_device *);
int (*suspend)(struct nvhost_device *, pm_message_t state);
int (*resume)(struct nvhost_device *);
struct device_driver driver;
};
extern int nvhost_driver_register(struct nvhost_driver *);
extern void nvhost_driver_unregister(struct nvhost_driver *);
extern struct resource *nvhost_get_resource(struct nvhost_device *, unsigned int, unsigned int);
extern int nvhost_get_irq(struct nvhost_device *, unsigned int);
extern struct resource *nvhost_get_resource_byname(struct nvhost_device *, unsigned int, const char *);
extern int nvhost_get_irq_byname(struct nvhost_device *, const char *);
#define to_nvhost_device(x) container_of((x), struct nvhost_device, dev)
#define to_nvhost_driver(drv) (container_of((drv), struct nvhost_driver, \
driver))
#define nvhost_get_drvdata(_dev) dev_get_drvdata(&(_dev)->dev)
#define nvhost_set_drvdata(_dev,data) dev_set_drvdata(&(_dev)->dev, (data))
int nvhost_bus_register(struct nvhost_master *host);
#if !defined(__KERNEL__)
#define __user
#endif
#define NVHOST_NO_TIMEOUT (-1)
#define NVHOST_IOCTL_MAGIC 'H'
struct nvhost_submit_hdr {
__u32 syncpt_id;
__u32 syncpt_incrs;
__u32 num_cmdbufs;
__u32 num_relocs;
};
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_get_param_args {
__u32 value;
};
struct nvhost_set_nvmap_fd_args {
__u32 fd;
};
#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_LAST \
_IOC_NR(NVHOST_IOCTL_CHANNEL_NULL_KICKOFF)
#define NVHOST_IOCTL_CHANNEL_MAX_ARG_SIZE sizeof(struct nvhost_get_param_args)
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_module_mutex_args {
__u32 id;
__u32 lock;
};
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_LAST \
_IOC_NR(NVHOST_IOCTL_CTRL_MODULE_REGRDWR)
#define NVHOST_IOCTL_CTRL_MAX_ARG_SIZE sizeof(struct nvhost_ctrl_module_regrdwr_args)
#endif
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