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NV services: Difference between revisions

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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 595: Line 634:
| 0x80040212 || Out || 4 || [[#NVDISP_CTRL_NUM_OUTPUTS]]
| 0x80040212 || Out || 4 || [[#NVDISP_CTRL_NUM_OUTPUTS]]
|-
|-
| 0xC0140213 || Inout || 20 || [[#NVDISP_CTRL_GET_DISPLAY_PROPERTIES]]
| 0xC0140213 || Inout || 20 || NVDISP_CTRL_GET_DISPLAY_PROPERTIES
|-
|-
| 0xC1100214 || Inout || 272 || NVDISP_CTRL_QUERY_EDID
| 0xC2100214</br>([1.0.0-11.0.1] 0xC1100214) || Inout || 528</br>([1.0.0-11.0.1] 272) || NVDISP_CTRL_QUERY_EDID
|-
|-
| 0xC0080216</br>([1.0.0-3.0.0] 0xC0040216) || Inout || 8</br>([1.0.0-3.0.0] 4) || NVDISP_CTRL_GET_EXT_HPD_IN_OUT_EVENTS</br>([1.0.0-3.0.0] NVDISP_CTRL_GET_EXT_HPD_IN_EVENT)
| 0xC0080216</br>([1.0.0-3.0.0] 0xC0040216) || Inout || 8</br>([1.0.0-3.0.0] 4) || NVDISP_CTRL_GET_EXT_HPD_IN_OUT_EVENTS</br>([1.0.0-3.0.0] NVDISP_CTRL_GET_EXT_HPD_IN_EVENT)
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 618: Line 657:
   };
   };


=== NVDISP_CTRL_GET_DISPLAY_PROPERTIES ===
=== 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.


Get the properties for a given output. Almost identical to Linux driver.
 
   struct {
   struct {
    __in u32 num_output;
     __out u8 is_display_oled;
    __in u32 unk;
     __out u32 output_type; // 0 - DSI, 1 - LVDS, 3 - HDMI, 5 - DP
    __out u32 connected;
    __out s32 associated_head;
    __out u32 head_mask;
   };
   };


Line 1,297: 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 1,521: 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] 0xC0084423 || || ||
|-
| [S2] 0x40084424 || || ||
|-
| [S2] 0xC0104425 || || ||
|-
| [S2] 0x40084427 || || ||
|-
| [S2] 0x40044428 || || ||
|-
| [S2] 0xC0184429 || || ||
|-
| [S2] 0x4010442A || || ||
|-
| [S2] 0x4010442B || || ||
|}
|}


Line 1,917: Line 1,979:
| 0xC0??0026 || Variable || [[#NVHOST_IOCTL_CHANNEL_UNMAP_CMD_BUFFER_EX]]
| 0xC0??0026 || Variable || [[#NVHOST_IOCTL_CHANNEL_UNMAP_CMD_BUFFER_EX]]
|- style="border-top: double"
|- style="border-top: double"
| 0x40044801 || 4 || [[#NVGPU_IOCTL_CHANNEL_SET_NVMAP_FD]]
| 0x40044801 [S2] 0x40044101 || 4 || [[#NVGPU_IOCTL_CHANNEL_SET_NVMAP_FD]]
|-
|-
| 0x40044803 || 4 || [[#NVGPU_IOCTL_CHANNEL_SET_TIMEOUT]]
| 0x40044803 || 4 || [[#NVGPU_IOCTL_CHANNEL_SET_TIMEOUT]]
Line 1,947: Line 2,009:
| 0x00004811 || 0 || [[#NVGPU_IOCTL_CHANNEL_FORCE_RESET]]
| 0x00004811 || 0 || [[#NVGPU_IOCTL_CHANNEL_FORCE_RESET]]
|-
|-
| 0x40084812 || 8 || [[#NVGPU_IOCTL_CHANNEL_EVENT_ID_CONTROL]]
| 0x40084812 [S2] 0x40104812 || 8 [S2] 16 || [[#NVGPU_IOCTL_CHANNEL_EVENT_ID_CONTROL]]
|-
|-
| 0xC0104813 || 16 || [[#NVGPU_IOCTL_CHANNEL_CYCLE_STATS_SNAPSHOT]]
| 0xC0104813 || 16 || [[#NVGPU_IOCTL_CHANNEL_CYCLE_STATS_SNAPSHOT]]
|-
| 0x40084714 || 8 || [[#NVGPU_IOCTL_CHANNEL_SET_USER_DATA]]
|-
| 0x80084715 || 8 || [[#NVGPU_IOCTL_CHANNEL_GET_USER_DATA]]
|-
|-
| 0x80804816 || 128 || [[#NVGPU_IOCTL_CHANNEL_GET_ERROR_INFO]]
| 0x80804816 || 128 || [[#NVGPU_IOCTL_CHANNEL_GET_ERROR_INFO]]
Line 1,967: Line 2,033:
| 0xC004481D || 4 || [[#NVGPU_IOCTL_CHANNEL_SET_TIMESLICE]]
| 0xC004481D || 4 || [[#NVGPU_IOCTL_CHANNEL_SET_TIMESLICE]]
|- style="border-top: double"
|- style="border-top: double"
| 0x40084714 || 8 || [[#NVGPU_IOCTL_CHANNEL_SET_USER_DATA]]
| [S2] 0xC010481E || 16 ||
|-
| [S2] 0xC008481F || 8 ||
|-
| [S2] 0x40044820 || 4 ||
|-
|-
| 0x80084715 || 8 || [[#NVGPU_IOCTL_CHANNEL_GET_USER_DATA]]
| [S2] 0xC0504821 || 80 ||  
|}
|}


Retrieved from "https://switchbrew.org/wiki/NV_services"