mirror of
https://github.com/switchbrew/libnx.git
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50 lines
1.6 KiB
C
50 lines
1.6 KiB
C
/**
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* @file nv.h
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* @brief NVIDIA low level driver (nvdrv*) service IPC wrapper.
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* @author yellows8
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* @copyright libnx Authors
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*/
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#pragma once
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#include "../types.h"
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#include "../sf/service.h"
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#include "../kernel/event.h"
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/// NvServiceType, for __nx_nv_service_type.
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typedef enum {
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NvServiceType_Auto = -1, ///< This is the default. Automatically select the type using \ref appletGetAppletType.
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NvServiceType_Application = 0, ///< Initializes nvdrv.
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NvServiceType_Applet = 1, ///< Initializes nvdrv:a.
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NvServiceType_System = 2, ///< Initializes nvdrv:s.
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NvServiceType_Factory = 3, ///< Initializes nvdrv:t.
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} NvServiceType;
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/// Initialize nvdrv*.
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Result nvInitialize(void);
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/// Exit nvdrv*.
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void nvExit(void);
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/// Gets the Service object for the actual nvdrv* service session.
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Service* nvGetServiceSession(void);
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typedef enum {
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NvEventId_Gpu_SmException_BptIntReport=1,
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NvEventId_Gpu_SmException_BptPauseReport=2,
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NvEventId_Gpu_ErrorNotifier=3,
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NvEventId_CtrlGpu_ErrorEventHandle=1,
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NvEventId_CtrlGpu_Unknown=2,
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} NvEventId;
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#define NV_EVENT_ID_CTRL__SYNCPT(slot, syncpt) \
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((1u<<28) | ((syncpt) << 16) | (slot))
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Result nvOpen(u32 *fd, const char *devicepath);
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Result nvIoctl(u32 fd, u32 request, void* argp);
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Result nvIoctl2(u32 fd, u32 request, void* argp, const void* inbuf, size_t inbuf_size); ///< [3.0.0+]
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Result nvIoctl3(u32 fd, u32 request, void* argp, void* outbuf, size_t outbuf_size); ///< [3.0.0+]
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Result nvClose(u32 fd);
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Result nvQueryEvent(u32 fd, u32 event_id, Event *event_out);
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Result nvConvertError(int rc);
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