Nintendo Switch Brew

NV services: Difference between revisions

← Older edit
 
(5 intermediate revisions by 3 users not shown)
Line 64: Line 64:
Takes two input u32s '''Fd''' and '''EvtId'''. Returns an output u32 '''Err''' and an output Event handle.
Takes two input u32s '''Fd''' and '''EvtId'''. Returns an output u32 '''Err''' and an output Event handle.


QueryEvent is only supported on (and implemented differently on):
QueryEvent is only supported by:
* /dev/nvhost-gpu
* '''/dev/nvcec-ctrl'''
** EvtId=1: SmException_BptIntReport
** EvtId=0
** EvtId=2: SmException_BptPauseReport
** EvtId=1
** EvtId=2
** EvtId=3
** EvtId=4
** EvtId=5
** EvtId=6
** EvtId=7
** EvtId=8
** EvtId=9
 
* '''/dev/nvhdcp_up-ctrl'''
** EvtId=0: DphdcpStateEvent
 
* '''/dev/nvdisp-ctrl'''
** EvtId=0: HpdInEvent
** EvtId=1: HpdOutEvent
** EvtId=2: VblankHead0Event
 
* '''/dev/nvhost-gpu'''
** EvtId=1: BptIntEvent
** EvtId=2: BptPauseEvent
** EvtId=3: ErrorNotifierEvent
** EvtId=3: ErrorNotifierEvent
* /dev/nvhost-ctrl: Used to get events for syncpts.
 
** EvtId=(event_slot | ((syncpt_id & 0xFFF) << 16) | (is_valid << 28)): New format used by [[#NVHOST_IOCTL_CTRL_SYNCPT_WAIT_EVENT|NVHOST_IOCTL_CTRL_SYNCPT_WAIT_EVENT]]/[[#NVHOST_IOCTL_CTRL_SYNCPT_WAIT_EVENT_EX|NVHOST_IOCTL_CTRL_SYNCPT_WAIT_EVENT_EX]].
* '''/dev/nvhost-ctrl'''
** EvtId=(event_slot | (syncpt_id << 4)): Old format used by [[#NVHOST_IOCTL_CTRL_SYNCPT_WAITEX|NVHOST_IOCTL_CTRL_SYNCPT_WAITEX]].
** EvtId=(EventSlot | ((SyncptId & 0xFFF) << 16) | (IsValid << 28)): New format used by [[#NVHOST_IOCTL_CTRL_SYNCPT_WAIT_EVENT|NVHOST_IOCTL_CTRL_SYNCPT_WAIT_EVENT]]/[[#NVHOST_IOCTL_CTRL_SYNCPT_WAIT_EVENT_EX|NVHOST_IOCTL_CTRL_SYNCPT_WAIT_EVENT_EX]].
* /dev/nvhost-ctrl-gpu
** EvtId=(EventSlot | (SyncptId << 4)): Old format used by [[#NVHOST_IOCTL_CTRL_SYNCPT_WAITEX|NVHOST_IOCTL_CTRL_SYNCPT_WAITEX]].
** EvtId=1: Returns error_event_handle.
 
** EvtId=2: Returns unknown event.
* '''/dev/nvhost-ctrl-gpu'''
* /dev/nvhost-dbg-gpu
** EvtId=1: ErrorEvent
** Ignores EvtId.
** EvtId=2: SemaphoreEvent
 
* '''/dev/nvhost-dbg-gpu'''
** EvtId=Any: DbgEvents
 
* '''/dev/nvsched-ctrl'''
** EvtId=0: ApplicationAddedEvent
** EvtId=1: ApplicationUpdatedEvent
** EvtId=2: ApplicationMaxDebtUpdatedEvent
** EvtId=3: ApplicationRemovedEvent
** EvtId=4: ApplicationDetachedEvent
** EvtId=5: RunlistAddedEvent
** EvtId=6: RunlistUpdatedEvent
** EvtId=7: RunlistMaxDebtUpdatedEvent
** EvtId=8: RunlistLinkedEvent
** EvtId=9: RunlistUnlinkedEvent
** EvtId=10: RunlistRemovedEvent
** EvtId=11: ConductorSwapintervalUpdatedEvent
** EvtId=12: ChannelAcquiredEvent
** EvtId=13: ChannelReleasedEvent


== MapSharedMem ==
== MapSharedMem ==
Line 609: Line 648:
| 0xC0040220 || Inout || 4 || NVDISP_CTRL_SUSPEND
| 0xC0040220 || Inout || 4 || NVDISP_CTRL_SUSPEND
|-
|-
| 0x80010224 || Out || 1 || [11.0.0+] NVDISP_CTRL_IS_DISPLAY_OLED
| 0x80010224 || Out || 1 || [11.0.0+] [[#NVDISP_CTRL_IS_DISPLAY_OLED]]
|}
|}


Line 616: Line 655:
   struct {
   struct {
     __out u32 num_outputs;
     __out u32 num_outputs;
  };
=== NVDISP_CTRL_IS_DISPLAY_OLED ===
This sets a boolean value based on the values of the system configuration.
Returns true if "nvservices!internal_display_vddpn_control" is set to false and "nvservices!external_display_full_dp_lanes" is set to true.
  struct {
    __out u8 is_display_oled;
   };
   };


Line 1,284: Line 1,333:
|-
|-
| 0xC038410A || Inout || 56 || [[#NVGPU_AS_IOCTL_MAP_BUFFER_EX2]]
| 0xC038410A || Inout || 56 || [[#NVGPU_AS_IOCTL_MAP_BUFFER_EX2]]
|-
| 0x8010410B || Out || 16 || [S2]
|-
| 0xC020410C || Inout || 32 || [S2]
|-
| 0xC???410D || Inout || Variable || [S2]
|-
|-
| 0xC0??4114 || Inout || Variable || [[#NVGPU_AS_IOCTL_REMAP]]
| 0xC0??4114 || Inout || Variable || [[#NVGPU_AS_IOCTL_REMAP]]
Line 1,508: Line 1,563:
|-
|-
| 0xC020441E || Inout || 32 || [11.0.0+] NVGPU_DBG_GPU_IOCTL_GET_GPU_VA_RANGE_PAGES
| 0xC020441E || Inout || 32 || [11.0.0+] NVGPU_DBG_GPU_IOCTL_GET_GPU_VA_RANGE_PAGES
|-
| [S2] 0xC0184421 || || ||
|-
|-
| [S2] 0x40084422 || || ||
| [S2] 0x40084422 || || ||
Retrieved from "https://switchbrew.org/wiki/NV_services"