diff options
Diffstat (limited to 'include/linux/nvhost.h')
| -rw-r--r-- | include/linux/nvhost.h | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/include/linux/nvhost.h b/include/linux/nvhost.h new file mode 100644 index 000000000000..a1d211de1ef1 --- /dev/null +++ b/include/linux/nvhost.h @@ -0,0 +1,73 @@ +/* + * include/linux/nvhost.h + * + * Tegra graphics host driver + * + * Copyright (c) 2009-2011, 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 __LINUX_NVHOST_H +#define __LINUX_NVHOST_H + +#include <linux/device.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); + +#endif |