tegrakernel/kernel/nvidia/include/linux/nvmap_t19x.h

49 lines
1.4 KiB
C
Raw Permalink Normal View History

2022-02-16 09:13:02 -06:00
/*
* include/linux/nvmap_t19x.h
*
* structure declarations for nvmem and nvmap user-space ioctls
*
* Copyright (c) 2009-2018, 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.
*/
#include <linux/types.h>
#include <linux/device.h>
#ifndef _LINUX_NVMAP_T19x_H
#define _LINUX_NVMAP_T19x_H
#define NVMAP_HEAP_CARVEOUT_CVSRAM (1ul<<25)
#define NVMAP_HEAP_CARVEOUT_GOS (1ul<<24)
int nvmap_register_cvsram_carveout(struct device *dma_dev,
phys_addr_t base, size_t size,
int (*pmops_busy)(void), int (*pmops_idle)(void));
struct cv_dev_info {
struct device_node *np;
struct sg_table *sgt;
void *cpu_addr;
struct device offset_dev; /* used to alloc/free semaphore offsets within GoS */
int idx; /* index to use by firmware to identify the client */
int count; /* number of sgt */
};
struct cv_dev_info *nvmap_fetch_cv_dev_info(struct device *dev);
struct nvmap_handle_t19x {
atomic_t nc_pin; /* no. of pins from non io coherent devices */
};
extern bool nvmap_version_t19x;
#endif /* _LINUX_NVMAP_T19x_H */