From 2c9713e21c9ab93e7af45a4b9e76c1f378aab024 Mon Sep 17 00:00:00 2001 From: Deepak Nibade Date: Wed, 24 May 2017 21:36:53 +0530 Subject: gpu: nvgpu: add nvhost abstraction files Add new abstraction file common/linux/nvhost.c for all nvhost APIs and operations and export them from header This file will be compiled only if config CONFIG_TEGRA_GK20A_NVHOST is set Define struct nvgpu_nvhost_dev in a separate private header nvhost_priv.h Jira NVGPU-29 Change-Id: I17e1f7836d4854feadff0c339bc093e78ba7f3eb Signed-off-by: Deepak Nibade Reviewed-on: http://git-master/r/1489725 Reviewed-by: svccoveritychecker GVS: Gerrit_Virtual_Submit Reviewed-by: Bharat Nihalani --- drivers/gpu/nvgpu/include/nvgpu/nvhost.h | 75 ++++++++++++++++++++++++++++++++ 1 file changed, 75 insertions(+) create mode 100644 drivers/gpu/nvgpu/include/nvgpu/nvhost.h (limited to 'drivers/gpu/nvgpu/include') diff --git a/drivers/gpu/nvgpu/include/nvgpu/nvhost.h b/drivers/gpu/nvgpu/include/nvgpu/nvhost.h new file mode 100644 index 00000000..025061dc --- /dev/null +++ b/drivers/gpu/nvgpu/include/nvgpu/nvhost.h @@ -0,0 +1,75 @@ +/* + * Copyright (c) 2017, NVIDIA CORPORATION. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope 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, see . + */ + +#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, u32 num_pts, const char *name); +#endif /* CONFIG_SYNC */ +#endif /* CONFIG_TEGRA_GK20A_NVHOST */ +#endif /* __NVGPU_NVHOST_H__ */ -- cgit v1.2.2