summaryrefslogblamecommitdiffstats
path: root/drivers/gpu/nvgpu/include/nvgpu/nvhost.h
blob: d852c77c4f7c567fdcde21f25a59c3c12bec491a (plain) (tree)
1
2
3
4
5
6
7
8
9


                                                                





                                                                             
  

                                                                             
  






                                                                             
























































                                                                                
                                              


                                      
/*
 * Copyright (c) 2017, NVIDIA CORPORATION.  All rights reserved.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 * DEALINGS IN THE SOFTWARE.
 */

#ifndef __NVGPU_NVHOST_H__
#define __NVGPU_NVHOST_H__

#ifdef CONFIG_TEGRA_GK20A_NVHOST

struct nvgpu_nvhost_dev;
struct gk20a;
struct sync_pt;
struct sync_fence;
struct timespec;

int nvgpu_get_nvhost_dev(struct gk20a *g);
void nvgpu_free_nvhost_dev(struct gk20a *g);

int nvgpu_nvhost_module_busy_ext(struct nvgpu_nvhost_dev *nvhost_dev);
void nvgpu_nvhost_module_idle_ext(struct nvgpu_nvhost_dev *nvhost_dev);

void nvgpu_nvhost_debug_dump_device(struct nvgpu_nvhost_dev *nvhost_dev);

int nvgpu_nvhost_syncpt_is_expired_ext(struct nvgpu_nvhost_dev *nvhost_dev,
	u32 id, u32 thresh);
int nvgpu_nvhost_syncpt_wait_timeout_ext(struct nvgpu_nvhost_dev *nvhost_dev,
	u32 id, u32 thresh, u32 timeout, u32 *value, struct timespec *ts);

u32 nvgpu_nvhost_syncpt_incr_max_ext(struct nvgpu_nvhost_dev *nvhost_dev,
	u32 id, u32 incrs);
void nvgpu_nvhost_syncpt_set_min_eq_max_ext(struct nvgpu_nvhost_dev *nvhost_dev,
	u32 id);
int nvgpu_nvhost_syncpt_read_ext_check(struct nvgpu_nvhost_dev *nvhost_dev,
	u32 id, u32 *val);

int nvgpu_nvhost_intr_register_notifier(struct nvgpu_nvhost_dev *nvhost_dev,
	u32 id, u32 thresh, void (*callback)(void *, int), void *private_data);

const char *nvgpu_nvhost_syncpt_get_name(struct nvgpu_nvhost_dev *nvhost_dev,
	int id);
bool nvgpu_nvhost_syncpt_is_valid_pt_ext(struct nvgpu_nvhost_dev *nvhost_dev,
	u32 id);
void nvgpu_nvhost_syncpt_put_ref_ext(struct nvgpu_nvhost_dev *nvhost_dev,
	u32 id);
u32 nvgpu_nvhost_get_syncpt_host_managed(struct nvgpu_nvhost_dev *nvhost_dev,
	u32 param,
	const char *syncpt_name);

int nvgpu_nvhost_create_symlink(struct gk20a *g);
void nvgpu_nvhost_remove_symlink(struct gk20a *g);

#ifdef CONFIG_SYNC
u32 nvgpu_nvhost_sync_pt_id(struct sync_pt *pt);
u32 nvgpu_nvhost_sync_pt_thresh(struct sync_pt *pt);
int nvgpu_nvhost_sync_num_pts(struct sync_fence *fence);

struct sync_fence *nvgpu_nvhost_sync_fdget(int fd);
struct sync_fence *nvgpu_nvhost_sync_create_fence(
	struct nvgpu_nvhost_dev *nvhost_dev,
	u32 id, u32 thresh, const char *name);
#endif /* CONFIG_SYNC */
#endif /* CONFIG_TEGRA_GK20A_NVHOST */
#endif /* __NVGPU_NVHOST_H__ */