95 lines
3.5 KiB
C
95 lines
3.5 KiB
C
/*
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* SPDX-FileCopyrightText: Copyright (c) 2016-2021 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
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* SPDX-License-Identifier: MIT
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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#ifndef LINUX_NVSWITCH_H
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#define LINUX_NVSWITCH_H
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#include "nvmisc.h"
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#include "nv-linux.h"
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#include "nv-kthread-q.h"
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#include "export_nvswitch.h"
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#define NVSWITCH_SHORT_NAME "nvswi"
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#define NVSWITCH_IRQ_NONE 0
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#define NVSWITCH_IRQ_MSIX 1
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#define NVSWITCH_IRQ_MSI 2
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#define NVSWITCH_IRQ_PIN 3
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#define NVSWITCH_OS_ASSERT(_cond) \
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do { \
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if (!(_cond)) { \
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nvswitch_os_assert_log("NVSwitch: Assertion failed in %s() at %s:%d\n", \
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__FUNCTION__ , __FILE__, __LINE__); \
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} \
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} while(0)
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#define NVSWITCH_KMALLOC_LIMIT (128 * 1024)
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#define nvswitch_os_malloc(_size) nvswitch_os_malloc_trace(_size, __FILE__, __LINE__)
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typedef struct
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{
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struct list_head entry;
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struct i2c_adapter *adapter;
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} nvswitch_i2c_adapter_entry;
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// Per-chip driver state
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typedef struct
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{
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char name[sizeof(NVSWITCH_DRIVER_NAME) + 4];
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char sname[sizeof(NVSWITCH_SHORT_NAME) + 4]; /* short name */
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int minor;
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NvUuid uuid;
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struct mutex device_mutex;
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nvswitch_device *lib_device; /* nvswitch library device */
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wait_queue_head_t wait_q_errors;
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void *bar0;
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struct nv_kthread_q task_q; /* Background task queue */
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struct nv_kthread_q_item task_item; /* Background dispatch task */
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atomic_t task_q_ready;
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wait_queue_head_t wait_q_shutdown;
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struct pci_dev *pci_dev;
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atomic_t ref_count;
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struct list_head list_node;
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NvBool unusable;
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NvU32 phys_id;
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NvU64 bios_ver;
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#if defined(CONFIG_PROC_FS)
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struct proc_dir_entry *procfs_dir;
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#endif
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NvU8 irq_mechanism;
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struct list_head i2c_adapter_list;
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} NVSWITCH_DEV;
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int nvswitch_map_status(NvlStatus status);
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int nvswitch_procfs_init(void);
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void nvswitch_procfs_exit(void);
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int nvswitch_procfs_device_add(NVSWITCH_DEV *nvswitch_dev);
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void nvswitch_procfs_device_remove(NVSWITCH_DEV *nvswitch_dev);
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struct i2c_adapter *nvswitch_i2c_add_adapter(NVSWITCH_DEV *nvswitch_dev, NvU32 port);
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void nvswitch_i2c_del_adapter(struct i2c_adapter *adapter);
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#endif // LINUX_NVSWITCH_H
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