diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/nvhost.h | 73 | ||||
| -rw-r--r-- | include/linux/nvhost_ioctl.h | 179 |
2 files changed, 252 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 diff --git a/include/linux/nvhost_ioctl.h b/include/linux/nvhost_ioctl.h new file mode 100644 index 000000000000..6e49827b873c --- /dev/null +++ b/include/linux/nvhost_ioctl.h @@ -0,0 +1,179 @@ +/* + * include/linux/nvhost_ioctl.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_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' + +/* 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_MAX_SUPPORTED NVHOST_SUBMIT_VERSION_V1 + +/* 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_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; +}; + +#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_LAST \ + _IOC_NR(NVHOST_IOCTL_CHANNEL_SET_CLK_RATE) +#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; +}; + +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_LAST \ + _IOC_NR(NVHOST_IOCTL_CTRL_SYNCPT_WAITEX) +#define NVHOST_IOCTL_CTRL_MAX_ARG_SIZE \ + sizeof(struct nvhost_ctrl_module_regrdwr_args) + +#endif |