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! Value || Direction || Size || Description
! Value || Direction || Size || Description
|-
|-
| 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 611: Line 611:
| 0x80010224 || Out || 1 || [11.0.0+] NVDISP_CTRL_IS_DISPLAY_OLED
| 0x80010224 || Out || 1 || [11.0.0+] NVDISP_CTRL_IS_DISPLAY_OLED
|}
|}
=== NVDISP_CTRL_NUM_OUTPUTS ===
  struct {
    __out u32 num_outputs;
  };


== /dev/nvdisp-disp0, /dev/nvdisp-disp1 ==
== /dev/nvdisp-disp0, /dev/nvdisp-disp1 ==
Line 646: Line 652:
| 0xC004020F || Inout || 4 || NVDISP_DPMS
| 0xC004020F || Inout || 4 || NVDISP_DPMS
|-
|-
| 0x80600210 || Out || 96 || NVDISP_GET_AVI_INFOFRAME
| 0x80600210 || Out || 96 || [[#NVDISP_GET_AVI_INFOFRAME]]
|-
|-
| 0x40600211 || In || 96 || NVDISP_SET_AVI_INFOFRAME
| 0x40600211 || In || 96 || [[#NVDISP_SET_AVI_INFOFRAME]]
|-
|-
| 0xEBFC0215 || Inout || 11260 || NVDISP_GET_MODE_DB
| 0xEBFC0215 || Inout || 11260 || [[#NVDISP_GET_MODE_DB]]
|-
|-
| 0xC003021A || Inout || 3 || [[#NVDISP_PANEL_GET_VENDOR_ID]]
| 0xC003021A || Inout || 3 || [[#NVDISP_PANEL_GET_VENDOR_ID]]
|-
|-
| 0x803C021B || Out || 60 || NVDISP_GET_MODE2
| 0x803C021B || Out || 60 || [[#NVDISP_GET_MODE2]]
|-
|-
| 0x403C021C || In || 60 || NVDISP_SET_MODE2
| 0x403C021C || In || 60 || [[#NVDISP_SET_MODE2]]
|-
|-
| 0xC03C021D || Inout || 60 || NVDISP_VALIDATE_MODE2
| 0xC03C021D || Inout || 60 || [[#NVDISP_VALIDATE_MODE2]]
|-
|-
| 0xEF20021E || Inout || 12064 || NVDISP_GET_MODE_DB2
| 0xEF20021E || Inout || 12064 || [[#NVDISP_GET_MODE_DB2]]
|-
|-
| 0xC004021F || Inout || 4 || NVDISP_GET_WINMASK
| 0xC004021F || Inout || 4 || NVDISP_GET_WINMASK
Line 676: Line 682:


=== NVDISP_GET_MODE ===
=== NVDISP_GET_MODE ===
Identical to Linux driver.
Almost identical to Linux driver.


   struct {
   struct {
Line 691: Line 697:
     __out u32 pclkKHz;
     __out u32 pclkKHz;
     __out u32 bitsPerPixel;      // Always 0
     __out u32 bitsPerPixel;      // Always 0
     __out u32 vmode;            // Always 0  
     __out u32 vmode;            // Always 0
    __out u32 sync;
   };
   };


=== NVDISP_SET_MODE ===
=== NVDISP_SET_MODE ===
Identical to Linux driver.
Almost identical to Linux driver.


   struct {
   struct {
Line 711: Line 718:
     __in u32 bitsPerPixel;
     __in u32 bitsPerPixel;
     __in u32 vmode;
     __in u32 vmode;
    __in u32 sync;
   };
   };


=== NVDISP_VALIDATE_MODE ===
=== NVDISP_VALIDATE_MODE ===
Identical to Linux driver.
Almost identical to Linux driver.


   struct {
   struct {
Line 730: Line 738:
     __inout u32 bitsPerPixel;
     __inout u32 bitsPerPixel;
     __inout u32 vmode;
     __inout u32 vmode;
    __inout u32 sync;
   };
   };


=== NVDISP_PANEL_GET_VENDOR_ID ===
=== NVDISP_GET_AVI_INFOFRAME ===
 
Unpacked standard AVI infoframe struct (HDMI v1.4b/2.0)
Returns display panel's informations.


   struct {
   struct {
     __out u8 vendor; //0x10 - JDI, 0x20 - InnoLux, 0x30 - AUO, 0x40 - Sharp, 0x50 - Samsung
     __out u32 csum;
     __out u8 model;
     __out u32 scan;
     __out u8 board; //0xF - 6.2", 0x10 - 5.5", 0x20 - 7.0". JDI panels have nonstandard values
     __out u32 bar_valid;
    __out u32 act_fmt_valid;
    __out u32 rgb_ycc;
    __out u32 act_format;
    __out u32 aspect_ratio;
    __out u32 colorimetry;
    __out u32 scaling;
    __out u32 rgb_quant;
    __out u32 ext_colorimetry;
    __out u32 it_content;
    __out u32 video_format;
    __out u32 pix_rep;
    __out u32 it_content_type;
    __out u32 ycc_quant;
    __out u32 top_bar_end_line_lsb;
    __out u32 top_bar_end_line_msb;
    __out u32 bot_bar_start_line_lsb;
    __out u32 bot_bar_start_line_msb;
    __out u32 left_bar_end_pixel_lsb;
    __out u32 left_bar_end_pixel_msb;
    __out u32 right_bar_start_pixel_lsb;
    __out u32 right_bar_start_pixel_msb;
   };
   };


=== NVDISP_GET_BACKLIGHT_RANGE ===
=== NVDISP_SET_AVI_INFOFRAME ===
Returns the minimum and maximum values for the intensity of the display's backlight.
Unpacked standard AVI infoframe struct (HDMI v1.4b/2.0)


   struct {
   struct {
     __out u32 min;
     __in u32 csum;
     __out u32 max;
     __in u32 scan;
    __in u32 bar_valid;
    __in u32 act_fmt_valid;
    __in u32 rgb_ycc;
    __in u32 act_format;
    __in u32 aspect_ratio;
    __in u32 colorimetry;
    __in u32 scaling;
    __in u32 rgb_quant;
    __in u32 ext_colorimetry;
    __in u32 it_content;
    __in u32 video_format;
    __in u32 pix_rep;
    __in u32 it_content_type;
    __in u32 ycc_quant;
    __in u32 top_bar_end_line_lsb;
    __in u32 top_bar_end_line_msb;
    __in u32 bot_bar_start_line_lsb;
    __in u32 bot_bar_start_line_msb;
    __in u32 left_bar_end_pixel_lsb;
    __in u32 left_bar_end_pixel_msb;
    __in u32 right_bar_start_pixel_lsb;
    __in u32 right_bar_start_pixel_msb;
   };
   };


=== NVDISP_SET_BACKLIGHT_RANGE_MAX ===
=== NVDISP_GET_MODE_DB ===
Sets the maximum value for the intensity of the display's backlight.
Almost identical to Linux driver.


  struct mode {
    u32 hActive;
    u32 vActive;
    u32 hSyncWidth;
    u32 vSyncWidth;
    u32 hFrontPorch;
    u32 vFrontPorch;
    u32 hBackPorch;
    u32 vBackPorch;
    u32 hRefToSync;
    u32 vRefToSync;
    u32 pclkKHz;
    u32 bitsPerPixel;
    u32 vmode;
    u32 sync;
  };
   struct {
   struct {
     __in u32 max;
     __out struct mode modes[201];
    __out u32 num_modes;
   };
   };


=== NVDISP_SET_BACKLIGHT_RANGE_MIN ===
=== NVDISP_PANEL_GET_VENDOR_ID ===
Sets the minimum value for the intensity of the display's backlight.
 
Returns display panel's informations.


   struct {
   struct {
     __in u32 min;
     __out u8 vendor; //0x10 - JDI, 0x20 - InnoLux, 0x30 - AUO, 0x40 - Sharp, 0x50 - Samsung
    __out u8 model;
    __out u8 board; //0xF - 6.2", 0x10 - 5.5", 0x20 - 7.0". JDI panels have nonstandard values
   };
   };


=== NVDISP_SEND_PANEL_MSG ===
=== NVDISP_GET_MODE2 ===
Sends raw data to the display panel over DPAUX.


   struct {
   struct {
     __in u32 cmd;         // DPAUX AUXCTL command (1=unk, 2=I2CWR, 4=MOTWR, 7=AUXWR)
     __out u32 unk0;             //Always 0
     __in u32 addr;         // DPAUX AUXADDR
     __out u32 hActive;
     __in u32 size;         // message size
    __out u32 vActive;
     __in u32 msg[4];       // raw AUXDATA message
    __out u32 hSyncWidth;
    __out u32 vSyncWidth;
    __out u32 hFrontPorch;
    __out u32 vFrontPorch;
    __out u32 hBackPorch;
    __out u32 vBackPorch;
    __out u32 pclkKHz;
    __out u32 bitsPerPixel;      // Always 0
     __out u32 vmode;             // Always 0
    __out u32 sync;
     __out u32 unk1;
    __out u32 reserved;
   };
   };


=== NVDISP_GET_PANEL_DATA ===
=== NVDISP_SET_MODE2 ===
Receives raw data from the display panel over DPAUX.


   struct {
   struct {
     __in u32 cmd;         // DPAUX AUXCTL command (3=I2CRD, 5=MOTRD, 6=AUXRD)
     __in u32 unk0;
     __in u32 addr;         // DPAUX AUXADDR
     __in u32 hActive;
     __in u32 size;         // message size
     __in u32 vActive;
     __out u32 msg[4];     // raw AUXDATA message
     __in u32 hSyncWidth;
    __in u32 vSyncWidth;
    __in u32 hFrontPorch;
    __in u32 vFrontPorch;
    __in u32 hBackPorch;
    __in u32 vBackPorch;
    __in u32 pclkKHz;
    __in u32 bitsPerPixel;
    __in u32 vmode;
    __in u32 sync;
    __in u32 unk1;
    __in u32 reserved;
   };
   };


== /dev/nvcec-ctrl ==
=== NVDISP_VALIDATE_MODE2 ===
{| class="wikitable" border="1"
 
! Value || Direction || Size || Description
  struct {
|-
    __inout u32 unk0;
| 0x40010301 || In || 1 || NVCEC_CTRL_ENABLE
    __inout u32 hActive;
|-
    __inout u32 vActive;
| 0x804C0302 || Out || 76 || NVCEC_CTRL_GET_PADDR
    __inout u32 hSyncWidth;
|-
    __inout u32 vSyncWidth;
| 0x40040303 || In || 4 || NVCEC_CTRL_SET_LADDR
    __inout u32 hFrontPorch;
|-
    __inout u32 vFrontPorch;
| 0xC04C0304 || Inout || 76 || NVCEC_CTRL_WRITE
    __inout u32 hBackPorch;
|-
    __inout u32 vBackPorch;
| 0xC04C0305 || Inout || 76 || NVCEC_CTRL_READ
    __inout u32 pclkKHz;
|-
    __inout u32 bitsPerPixel;
| 0x804C0306 || Out || 76 || NVCEC_CTRL_GET_CONNECTION_STATUS
    __inout u32 vmode;
|-
    __inout u32 sync;
| 0x804C0307 || Out || 76 || NVCEC_CTRL_GET_WRITE_STATUS
    __inout u32 unk1;
|}
    __inout u32 reserved;
  };
 
=== NVDISP_GET_MODE_DB2 ===


== /dev/nvhdcp_up-ctrl ==
  struct mode2 {
{| class="wikitable" border="1"
    u32 unk0;
! Value || Direction || Size || Description
    u32 hActive;
|-
    u32 vActive;
| 0xC4880401 || Inout || 1160 || NVHDCP_READ_STATUS
    u32 hSyncWidth;
|-
    u32 vSyncWidth;
| 0xC4880402 || Inout || 1160 || NVHDCP_READ_M
    u32 hFrontPorch;
|-
    u32 vFrontPorch;
| 0x40010403 || In || 1 || NVHDCP_ENABLE
    u32 hBackPorch;
|-
    u32 vBackPorch;
| 0xC0080404 || Inout || 8 || NVHDCP_CTRL_STATE_TRANSIT_EVENT_DATA
    u32 pclkKHz;
|-
    u32 bitsPerPixel;
| 0xC0010405 || Inout || 1 || NVHDCP_CTRL_STATE_CB
    u32 vmode;
|}
    u32 sync;
    u32 unk1;
    u32 reserved;
  };
  struct {
    __out struct mode2 modes[201];
    __out u32 num_modes;
  };
 
=== NVDISP_GET_BACKLIGHT_RANGE ===
Returns the minimum and maximum values for the intensity of the display's backlight.


== /dev/nvdcutil-disp0, /dev/nvdcutil-disp1 ==
  struct {
{| class="wikitable" border="1"
    __out u32 min;
! Value || Direction || Size || Description
    __out u32 max;
|-
  };
| 0x40010501 || In || 1 || NVDCUTIL_ENABLE_CRC
|-
| 0x40010502 || In || 1 || NVDCUTIL_VIRTUAL_EDID_ENABLE
|-
| 0x42040503 || In || 1056 || NVDCUTIL_VIRTUAL_EDID_SET_DATA
|-
| 0x803C0504 || Out || 60 || NVDCUTIL_GET_MODE
|-
| 0x40010505 || In || 1 || NVDCUTIL_BEGIN_TELEMETRY_TEST
|-
| 0x400C0506 || In || 12 || NVDCUTIL_DSI_PACKET_TEST_SHORT_WRITE
|-
| 0x40F80507 || In || 248 || NVDCUTIL_DSI_PACKET_TEST_LONG_WRITE
|-
| 0xC0F40508 || Inout || 244 || NVDCUTIL_DSI_PACKET_TEST_READ
|-
| 0x40010509 || In || 1 || [10.0.0+] NVDCUTIL_DP_ELECTRIC_TEST_EN
|-
| 0xC020050A || Inout || 32 || [10.0.0+] NVDCUTIL_DP_ELECTRIC_TEST_SETTINGS
|-
| 0x8070050B || Out || 112 || [11.0.0+] NVDCUTIL_DP_CONF_READ
|}


== /dev/nvsched-ctrl ==
=== NVDISP_SET_BACKLIGHT_RANGE_MAX ===
This is a customized scheduler device.
Sets the maximum value for the intensity of the display's backlight.


The way this device is exposed and configured is exclusive to the Switch, since other sources don't have an actual interface for the scheduler.
  struct {
    __in u32 max;
  };
 
=== NVDISP_SET_BACKLIGHT_RANGE_MIN ===
Sets the minimum value for the intensity of the display's backlight.


{| class="wikitable" border="1"
  struct {
! Value || Direction || Size || Description
    __in u32 min;
|-
  };
| 0x00000601 || - || 0 || [[#NVSCHED_CTRL_ENABLE]]
 
|-
=== NVDISP_SEND_PANEL_MSG ===
| 0x00000602 || - || 0 || [[#NVSCHED_CTRL_DISABLE]]
Sends raw data to the display panel over DPAUX.
|-
 
| 0x40180603 || In || 24 || [[#NVSCHED_CTRL_ADD_APPLICATION]]
  struct {
|-
    __in u32 cmd;          // DPAUX AUXCTL command (1=unk, 2=I2CWR, 4=MOTWR, 7=AUXWR)
| 0x40180604 || In || 24 || [[#NVSCHED_CTRL_UPDATE_APPLICATION]]
    __in u32 addr;        // DPAUX AUXADDR
|-
    __in u32 size;        // message size
| 0x40080605 || In || 8 || [[#NVSCHED_CTRL_REMOVE_APPLICATION]]
    __in u32 msg[4];      // raw AUXDATA message
  };
 
=== NVDISP_GET_PANEL_DATA ===
Receives raw data from the display panel over DPAUX.
 
  struct {
    __in u32 cmd;          // DPAUX AUXCTL command (3=I2CRD, 5=MOTRD, 6=AUXRD)
    __in u32 addr;        // DPAUX AUXADDR
    __in u32 size;        // message size
    __out u32 msg[4];      // raw AUXDATA message
  };
 
== /dev/nvcec-ctrl ==
{| class="wikitable" border="1"
! Value || Direction || Size || Description
|-
|-
| 0x80080606 || Out || 8 || [[#NVSCHED_CTRL_GET_ID]]
| 0x40010301 || In || 1 || NVCEC_CTRL_ENABLE
|-
|-
| 0x80080607 || Out || 8 || [[#NVSCHED_CTRL_ADD_RUNLIST]]
| 0x804C0302 || Out || 76 || NVCEC_CTRL_GET_PADDR
|-
|-
| 0x40180608 || In || 24 || [[#NVSCHED_CTRL_UPDATE_RUNLIST]]
| 0x40040303 || In || 4 || NVCEC_CTRL_SET_LADDR
|-
|-
| 0x40100609 || In || 16 || [[#NVSCHED_CTRL_LINK_RUNLIST]]
| 0xC04C0304 || Inout || 76 || NVCEC_CTRL_WRITE
|-
|-
| 0x4010060A || In || 16 || [[#NVSCHED_CTRL_UNLINK_RUNLIST]]
| 0xC04C0305 || Inout || 76 || NVCEC_CTRL_READ
|-
|-
| 0x4008060B || In || 8 || [[#NVSCHED_CTRL_REMOVE_RUNLIST]]
| 0x804C0306 || Out || 76 || NVCEC_CTRL_GET_CONNECTION_STATUS
|-
|-
| 0x8001060C || Out || 1 || [[#NVSCHED_CTRL_HAS_OVERRUN_EVENT]]
| 0x804C0307 || Out || 76 || NVCEC_CTRL_GET_WRITE_STATUS
|}
 
== /dev/nvhdcp_up-ctrl ==
{| class="wikitable" border="1"
! Value || Direction || Size || Description
|-
|-
| 0x8020060D</br>([1.0.0-3.0.0] 0x8010060D) || Out || 32</br>([1.0.0-3.0.0] 16) || [[#NVSCHED_CTRL_GET_NEXT_OVERRUN_EVENT]]
| 0xC4880401 || Inout || 1160 || NVHDCP_READ_STATUS
|-
|-
| 0x400C060E || In || 12 || [[#NVSCHED_CTRL_PUT_CONDUCTOR_FLIP_FENCE]]
| 0xC4880402 || Inout || 1160 || NVHDCP_READ_M
|-
|-
| 0x4008060F || In || 8 || [[#NVSCHED_CTRL_DETACH_APPLICATION]]
| 0x40010403 || In || 1 || NVHDCP_ENABLE
|-
|-
| 0x40100610 || In || 16 || NVSCHED_CTRL_SET_APPLICATION_MAX_DEBT
| 0xC0080404 || Inout || 8 || NVHDCP_CTRL_STATE_TRANSIT_EVENT_DATA
|-
|-
| 0x40100611 || In || 16 || NVSCHED_CTRL_SET_RUNLIST_MAX_DEBT
| 0xC0010405 || Inout || 1 || NVHDCP_CTRL_STATE_CB
|-
| 0x40010612 || In || 1 || NVSCHED_CTRL_OVERRUN_EVENTS_ENABLE
|}
|}


=== NVSCHED_CTRL_ENABLE ===
== /dev/nvdcutil-disp0, /dev/nvdcutil-disp1 ==
Enables the scheduler.
{| class="wikitable" border="1"
! Value || Direction || Size || Description
|-
| 0x40010501 || In || 1 || NVDCUTIL_ENABLE_CRC
|-
| 0x40010502 || In || 1 || [[#NVDCUTIL_VIRTUAL_EDID_ENABLE]]
|-
| 0x42040503 || In || 516 || [[#NVDCUTIL_VIRTUAL_EDID_SET_DATA]]
|-
| 0x803C0504 || Out || 60 || NVDCUTIL_GET_MODE
|-
| 0x40010505 || In || 1 || NVDCUTIL_BEGIN_TELEMETRY_TEST
|-
| 0x400C0506 || In || 12 || NVDCUTIL_DSI_PACKET_TEST_SHORT_WRITE
|-
| 0x40F80507 || In || 248 || NVDCUTIL_DSI_PACKET_TEST_LONG_WRITE
|-
| 0xC0F40508 || Inout || 244 || NVDCUTIL_DSI_PACKET_TEST_READ
|-
| 0x40010509 || In || 1 || [10.0.0+] NVDCUTIL_DP_ELECTRIC_TEST_EN
|-
| 0xC020050A || Inout || 32 || [10.0.0+] NVDCUTIL_DP_ELECTRIC_TEST_SETTINGS
|-
| 0x8070050B || Out || 112 || [11.0.0+] NVDCUTIL_DP_CONF_READ
|}


=== NVSCHED_CTRL_DISABLE ===
=== NVDCUTIL_VIRTUAL_EDID_ENABLE ===
Disables the scheduler.


=== NVSCHED_CTRL_ADD_APPLICATION ===
   struct {
Adds a new application to the scheduler.
     __in u8 enable;
 
   struct {
     __in u64 application_id;
    __in u64 priority;
    __in u64 timeslice;
   };
   };


=== NVSCHED_CTRL_UPDATE_APPLICATION ===
=== NVDCUTIL_VIRTUAL_EDID_SET_DATA ===
Updates the application parameters in the scheduler.


   struct {
   struct {
     __in u64 application_id;
     __in u8 edid[512];
     __in u64 priority;
     __in u32 edid_size;
    __in u64 timeslice;
   };
   };


=== NVSCHED_CTRL_REMOVE_APPLICATION ===
== /dev/nvsched-ctrl ==
Removes the application from the scheduler.
This is a customized scheduler device.


  struct {
The way this device is exposed and configured is exclusive to the Switch, since other sources don't have an actual interface for the scheduler.
    __in u64 application_id;
  };


=== NVSCHED_CTRL_GET_ID ===
{| class="wikitable" border="1"
Returns the ID of the last scheduled object.
! Value || Direction || Size || Description
 
|-
  struct {
| 0x00000601 || - || 0 || [[#NVSCHED_CTRL_ENABLE]]
    __out u64 id;
|-
  };
| 0x00000602 || - || 0 || [[#NVSCHED_CTRL_DISABLE]]
 
|-
=== NVSCHED_CTRL_ADD_RUNLIST ===
| 0x40180603 || In || 24 || [[#NVSCHED_CTRL_ADD_APPLICATION]]
Creates a new runlist and returns it's ID.
|-
 
| 0x40180604 || In || 24 || [[#NVSCHED_CTRL_UPDATE_APPLICATION]]
  struct {
|-
    __out u64 runlist_id;
| 0x40080605 || In || 8 || [[#NVSCHED_CTRL_REMOVE_APPLICATION]]
  };
|-
 
| 0x80080606 || Out || 8 || [[#NVSCHED_CTRL_GET_ID]]
=== NVSCHED_CTRL_UPDATE_RUNLIST ===
|-
Updates the runlist parameters in the scheduler.
| 0x80080607 || Out || 8 || [[#NVSCHED_CTRL_ADD_RUNLIST]]
|-
| 0x40180608 || In || 24 || [[#NVSCHED_CTRL_UPDATE_RUNLIST]]
|-
| 0x40100609 || In || 16 || [[#NVSCHED_CTRL_LINK_RUNLIST]]
|-
| 0x4010060A || In || 16 || [[#NVSCHED_CTRL_UNLINK_RUNLIST]]
|-
| 0x4008060B || In || 8 || [[#NVSCHED_CTRL_REMOVE_RUNLIST]]
|-
| 0x8001060C || Out || 1 || [[#NVSCHED_CTRL_HAS_OVERRUN_EVENT]]
|-
| 0x8020060D</br>([1.0.0-3.0.0] 0x8010060D) || Out || 32</br>([1.0.0-3.0.0] 16) || [[#NVSCHED_CTRL_GET_NEXT_OVERRUN_EVENT]]
|-
| 0x400C060E || In || 12 || [[#NVSCHED_CTRL_PUT_CONDUCTOR_FLIP_FENCE]]
|-
| 0x4008060F || In || 8 || [[#NVSCHED_CTRL_DETACH_APPLICATION]]
|-
| 0x40100610 || In || 16 || NVSCHED_CTRL_SET_APPLICATION_MAX_DEBT
|-
| 0x40100611 || In || 16 || NVSCHED_CTRL_SET_RUNLIST_MAX_DEBT
|-
| 0x40010612 || In || 1 || NVSCHED_CTRL_OVERRUN_EVENTS_ENABLE
|}


   struct {
=== NVSCHED_CTRL_ENABLE ===
     __in u64 runlist_id;
Enables the scheduler.
 
=== NVSCHED_CTRL_DISABLE ===
Disables the scheduler.
 
=== NVSCHED_CTRL_ADD_APPLICATION ===
Adds a new application to the scheduler.
 
   struct {
     __in u64 application_id;
     __in u64 priority;
     __in u64 priority;
     __in u64 timeslice;
     __in u64 timeslice;
   };
   };


=== NVSCHED_CTRL_LINK_RUNLIST ===
=== NVSCHED_CTRL_UPDATE_APPLICATION ===
Links a runlist to a given application in the scheduler.
Updates the application parameters in the scheduler.


   struct {
   struct {
    __in u64 runlist_id;
     __in u64 application_id;
     __in u64 application_id;
    __in u64 priority;
    __in u64 timeslice;
   };
   };


=== NVSCHED_CTRL_UNLINK_RUNLIST ===
=== NVSCHED_CTRL_REMOVE_APPLICATION ===
Unlinks a runlist from a given application in the scheduler.
Removes the application from the scheduler.


   struct {
   struct {
    __in u64 runlist_id;
     __in u64 application_id;
     __in u64 application_id;
   };
   };


=== NVSCHED_CTRL_REMOVE_RUNLIST ===
=== NVSCHED_CTRL_GET_ID ===
Removes the runlist from the scheduler.
Returns the ID of the last scheduled object.


   struct {
   struct {
     __in u64 runlist_id;
     __out u64 id;
   };
   };


=== NVSCHED_CTRL_HAS_OVERRUN_EVENT ===
=== NVSCHED_CTRL_ADD_RUNLIST ===
Returns a boolean to tell if the scheduler has an overrun event or not.
Creates a new runlist and returns it's ID.


   struct {
   struct {
     __out u8 has_overrun;
     __out u64 runlist_id;
   };
   };


=== NVSCHED_CTRL_GET_NEXT_OVERRUN_EVENT ===
=== NVSCHED_CTRL_UPDATE_RUNLIST ===
Returns the overrun event's data from the scheduler.
Updates the runlist parameters in the scheduler.


   struct {
   struct {
     __out u64 runlist_id;
     __in u64 runlist_id;
     __out u64 debt;
     __in u64 priority;
     __out u64 unk0;           // 3.0.0+ only
     __in u64 timeslice;
    __out u64 unk1;          // 3.0.0+ only
   };
   };


=== NVSCHED_CTRL_PUT_CONDUCTOR_FLIP_FENCE ===
=== NVSCHED_CTRL_LINK_RUNLIST ===
Installs a fence swap event?
Links a runlist to a given application in the scheduler.


   struct {
   struct {
     __in u32 fence_id;
     __in u64 runlist_id;
     __in u32 fence_value;
     __in u64 application_id;
    __in u32 swap_interval;
   };
   };


=== NVSCHED_CTRL_DETACH_APPLICATION ===
=== NVSCHED_CTRL_UNLINK_RUNLIST ===
Places the given application in detached state.
Unlinks a runlist from a given application in the scheduler.


   struct {
   struct {
    __in u64 runlist_id;
     __in u64 application_id;
     __in u64 application_id;
   };
   };


== /dev/nverpt-ctrl ==
=== NVSCHED_CTRL_REMOVE_RUNLIST ===
Added in firmware version 3.0.0.
Removes the runlist from the scheduler.


{| class="wikitable" border="1"
  struct {
! Value || Direction || Size || Description
    __in u64 runlist_id;
|-
  };
| 0xC1280701 || Inout || 296 || [[#NVERPT_TELEMETRY_SUBMIT_DATA]]
|-
| 0xCF580702 || Inout || 3928 || [[#NVERPT_TELEMETRY_SUBMIT_DISPLAY_DATA]]
|}


=== NVERPT_TELEMETRY_SUBMIT_DATA ===
=== NVSCHED_CTRL_HAS_OVERRUN_EVENT ===
Sends test data for creating a new [[Error_Report_services|Error Report]].
Returns a boolean to tell if the scheduler has an overrun event or not.


   struct {
   struct {
     __in u64 TestU64;
     __out u8 has_overrun;
    __in u32 TestU32;
    __in u8 padding0[4];
    __in s64 TestI64;
    __in s32 TestI32;
    __in u8  TestString[32];
    __in u8  TestU8Array[8];
    __in u32 TestU8Array_size;
    __in u32 TestU32Array[8];
    __in u32 TestU32Array_size;
    __in u64 TestU64Array[8];
    __in u32 TestU64Array_size;
    __in s32 TestI32Array[8];
    __in u32 TestI32Array_size;
    __in s64 TestI64Array[8];
    __in u32 TestI64Array_size;
    __in u16 TestU16;
    __in u8  TestU8;
    __in s16 TestI16;
    __in s8  TestI8;
    __in u8  padding1[5];
   };
   };


=== NVERPT_TELEMETRY_SUBMIT_DISPLAY_DATA ===
=== NVSCHED_CTRL_GET_NEXT_OVERRUN_EVENT ===
Sends display data for creating a new [[Error_Report_services|Error Report]].
Returns the overrun event's data from the scheduler.


   struct {
   struct {
     __in u32 CodecType;
     __out u64 runlist_id;
     __in u32 DecodeBuffers;
     __out u64 debt;
     __in u32 FrameWidth;
     __out u64 unk0;           // 3.0.0+ only
    __in u32 FrameHeight;
     __out u64 unk1;           // 3.0.0+ only
    __in u8  ColorPrimaries;
    __in u8  TransferCharacteristics;
     __in u8  MatrixCoefficients;
    __in u8  padding;
    __in u32 DisplayWidth;
    __in u32 DisplayHeight;
    __in u32 DARWidth;
    __in u32 DARHeight;
    __in u32 ColorFormat;
    __in u32 ColorSpace[8];
    __in u32 ColorSpace_size;
    __in u32 SurfaceLayout[8];
    __in u32 SurfaceLayout_size;
    __in u8  ErrorString[64];      // must be "Error detected = 0x1000000"
    __in u32 VideoDecState;
    __in u8  VideoLog[3712];
    __in u32 VideoLog_size;
   };
   };


== /dev/nvhost-as-gpu ==
=== NVSCHED_CTRL_PUT_CONDUCTOR_FLIP_FENCE ===
Each fd opened to this device creates an address space. An address space is then later bound with a channel.
Installs a fence swap event?
 
  struct {
    __in u32 fence_id;
    __in u32 fence_value;
    __in u32 swap_interval;
  };
 
=== NVSCHED_CTRL_DETACH_APPLICATION ===
Places the given application in detached state.
 
  struct {
    __in u64 application_id;
  };
 
== /dev/nverpt-ctrl ==
Added in firmware version 3.0.0.


Once a nvgpu channel has been bound to an address space it cannot be unbound. There is no support for allowing an nvgpu channel to change from one address space to another (or from one to none).
                                                                                                                             
{| class="wikitable" border="1"
{| class="wikitable" border="1"
! Value || Direction || Size || Description
! Value || Direction || Size || Description
|-
|-
| 0x40044101 || In || 4 || [[#NVGPU_AS_IOCTL_BIND_CHANNEL]]
| 0xC1280701 || Inout || 296 || [[#NVERPT_TELEMETRY_SUBMIT_DATA]]
|-
|-
| 0xC0184102 || Inout || 24 || [[#NVGPU_AS_IOCTL_ALLOC_SPACE]]
| 0xCF580702 || Inout || 3928 || [[#NVERPT_TELEMETRY_SUBMIT_DISPLAY_DATA]]
|-
|}
| 0xC0104103 || Inout || 16 || [[#NVGPU_AS_IOCTL_FREE_SPACE]]
 
|-
=== NVERPT_TELEMETRY_SUBMIT_DATA ===
| 0xC0184104 || Inout || 24 || [[#NVGPU_AS_IOCTL_MAP_BUFFER]]
Sends test data for creating a new [[Error_Report_services|Error Report]].
|-
| 0xC0084105 || Inout || 8 || [[#NVGPU_AS_IOCTL_UNMAP_BUFFER]]
|-
| 0xC0284106 || Inout || 40 || [[#NVGPU_AS_IOCTL_MAP_BUFFER_EX]]
|-
| 0x40104107 || In || 16 || [[#NVGPU_AS_IOCTL_ALLOC_AS]]
|-
| 0xC0404108 || Inout || 64 || [[#NVGPU_AS_IOCTL_GET_VA_REGIONS]]
|-
| 0x40284109 || In || 40 || [[#NVGPU_AS_IOCTL_ALLOC_AS_EX]]
|-
| 0xC038410A || Inout || 56 || [[#NVGPU_AS_IOCTL_MAP_BUFFER_EX2]]
|-
| 0xC0??4114 || Inout || Variable || [[#NVGPU_AS_IOCTL_REMAP]]
|}
 
=== NVGPU_AS_IOCTL_BIND_CHANNEL ===
Identical to Linux driver.


   struct {
   struct {
     __in u32 channel_fd;
    __in u64 TestU64;
     __in u32 TestU32;
    __in u8  padding0[4];
    __in s64 TestI64;
    __in s32 TestI32;
    __in u8  TestString[32];
    __in u8  TestU8Array[8];
    __in u32 TestU8Array_size;
    __in u32 TestU32Array[8];
    __in u32 TestU32Array_size;
    __in u64 TestU64Array[8];
    __in u32 TestU64Array_size;
    __in s32 TestI32Array[8];
    __in u32 TestI32Array_size;
    __in s64 TestI64Array[8];
    __in u32 TestI64Array_size;
    __in u16 TestU16;
    __in u8  TestU8;
    __in s16 TestI16;
    __in s8  TestI8;
    __in u8  padding1[5];
   };
   };


=== NVGPU_AS_IOCTL_ALLOC_SPACE ===
=== NVERPT_TELEMETRY_SUBMIT_DISPLAY_DATA ===
Reserves pages in the device address space.
Sends display data for creating a new [[Error_Report_services|Error Report]].


   struct {
   struct {
     __in u32 pages;
     __in u32 CodecType;
     __in u32 page_size;
     __in u32 DecodeBuffers;
     __in u32 flags;
     __in u32 FrameWidth;
     u32     padding;
     __in u32 FrameHeight;
     union {
    __in u8  ColorPrimaries;
       __out u64 offset;
    __in u8  TransferCharacteristics;
      __in  u64 align;
    __in u8  MatrixCoefficients;
     };
    __in u8  padding;
     __in u32 DisplayWidth;
    __in u32 DisplayHeight;
    __in u32 DARWidth;
    __in u32 DARHeight;
    __in u32 ColorFormat;
    __in u32 ColorSpace[8];
    __in u32 ColorSpace_size;
    __in u32 SurfaceLayout[8];
    __in u32 SurfaceLayout_size;
    __in u8  ErrorString[64];       // must be "Error detected = 0x1000000"
    __in u32 VideoDecState;
    __in u8 VideoLog[3712];
     __in u32 VideoLog_size;
   };
   };


=== NVGPU_AS_IOCTL_FREE_SPACE ===
== /dev/nvhost-as-gpu ==
Frees pages from the device address space.
Each fd opened to this device creates an address space. An address space is then later bound with a channel.


  struct {
Once a nvgpu channel has been bound to an address space it cannot be unbound. There is no support for allowing an nvgpu channel to change from one address space to another (or from one to none).
    __in u64 offset;
                                                                                                                             
    __in u32 pages;
{| class="wikitable" border="1"
    __in u32 page_size;
! Value || Direction || Size || Description
  };
|-
 
| 0x40044101 || In || 4 || [[#NVGPU_AS_IOCTL_BIND_CHANNEL]]
=== NVGPU_AS_IOCTL_MAP_BUFFER ===
|-
Maps a memory region in the device address space.
| 0xC0184102 || Inout || 24 || [[#NVGPU_AS_IOCTL_ALLOC_SPACE]]
 
|-
Unaligned size will cause a [[#Panic]].
| 0xC0104103 || Inout || 16 || [[#NVGPU_AS_IOCTL_FREE_SPACE]]
 
|-
On success, the mapped memory region is granted the [[SVC#MemoryAttribute|DeviceShared]] attribute.
| 0xC0184104 || Inout || 24 || [[#NVGPU_AS_IOCTL_MAP_BUFFER]]
|-
| 0xC0084105 || Inout || 8 || [[#NVGPU_AS_IOCTL_UNMAP_BUFFER]]
|-
| 0xC0284106 || Inout || 40 || [[#NVGPU_AS_IOCTL_MAP_BUFFER_EX]]
|-
| 0x40104107 || In || 16 || [[#NVGPU_AS_IOCTL_ALLOC_AS]]
|-
| 0xC0404108 || Inout || 64 || [[#NVGPU_AS_IOCTL_GET_VA_REGIONS]]
|-
| 0x40284109 || In || 40 || [[#NVGPU_AS_IOCTL_ALLOC_AS_EX]]
|-
| 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]]
|}
 
=== NVGPU_AS_IOCTL_BIND_CHANNEL ===
Identical to Linux driver.


   struct {
   struct {
     __in   u32 flags;       // bit0: fixed_offset, bit2: cacheable
     __in u32 channel_fd;
     u32         reserved0;
  };
     __in   u32 mem_id;       // nvmap handle
 
     u32         reserved1;
=== NVGPU_AS_IOCTL_ALLOC_SPACE ===
Reserves pages in the device address space.
 
  struct {
    __in u32 pages;
     __in u32 page_size;
     __in u32 flags;
     u32     padding;
     union {
     union {
       __out u64 offset;
       __out u64 offset;
Line 1,144: Line 1,315:
   };
   };


=== NVGPU_AS_IOCTL_MAP_BUFFER_EX ===
=== NVGPU_AS_IOCTL_FREE_SPACE ===
Maps a memory region in the device address space with extra params.
Frees pages from the device address space.
 
  struct {
    __in u64 offset;
    __in u32 pages;
    __in u32 page_size;
  };
 
=== NVGPU_AS_IOCTL_MAP_BUFFER ===
Maps a memory region in the device address space.
 
Unaligned size will cause a [[#Panic]].
 
On success, the mapped memory region is granted the [[SVC#MemoryAttribute|DeviceShared]] attribute.
 
  struct {
    __in    u32 flags;        // bit0: fixed_offset, bit2: cacheable
    u32        reserved0;
    __in    u32 mem_id;      // nvmap handle
    u32        reserved1;
    union {
      __out u64 offset;
      __in  u64 align;
    };
  };
 
=== NVGPU_AS_IOCTL_MAP_BUFFER_EX ===
Maps a memory region in the device address space with extra params.


Unaligned size will cause a [[#Panic]].
Unaligned size will cause a [[#Panic]].
Line 1,316: Line 1,514:
|-
|-
| 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 || || ||
=== NVGPU_DBG_GPU_IOCTL_GET_GR_CONTEXT ===
|-
Uses [[#Ioctl3|Ioctl3]].
| [S2] 0x40084422 || || ||
|-
| [S2] 0xC0084423 || || ||
|-
| [S2] 0x40084424 || || ||
|-
| [S2] 0xC0104425 || || ||
|-
| [S2] 0x40084427 || || ||
|-
| [S2] 0x40044428 || || ||
|-
| [S2] 0xC0184429 || || ||
|-
| [S2] 0x4010442A || || ||
|-
| [S2] 0x4010442B || || ||
|}
 
=== NVGPU_DBG_GPU_IOCTL_GET_GR_CONTEXT ===
Uses [[#Ioctl3|Ioctl3]].


=== NVGPU_DBG_GPU_IOCTL_GET_GPU_VA_RANGE_PDES ===
=== NVGPU_DBG_GPU_IOCTL_GET_GPU_VA_RANGE_PDES ===
Line 1,712: Line 1,930:
| 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 1,742: Line 1,960:
| 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 1,762: Line 1,984:
| 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 ||  
|}
|}


Line 2,039: Line 2,265:


   struct {
   struct {
     __out u32 error_info[32];   // first word is an error code (0=no_error, 1=mmu_error, 2=gr_error, 3=pbdma_error, 4=timeout)
     __out u32 type;     // Error type (0=no_error, 1=mmu_error, 2=gr_error, 3=pbdma_error, 4=timeout)
   };
    __out u32 info[31]; // Infor depends on the error type
   };  
 
==== GR Error Code Format ====
When <code>type == 2</code> (GR Error), the returned data is formatted as follows:
  struct {
    __out u32 type;      // 2=gr_error
    __out u32 intr_value; // Interrupt bits
    __out u32 addr;      // Register address (in bytes)
    __out u32 data_hi;    // Data high 32 bits
    __out u32 data_lo;    // Data low 32 bits
    __out u32 class_num;  // GPU class number (e.g., 0xb197 for MAXWELL_B)
  };
 
{| class="wikitable"
|+ GR Error Interrupt Bits
|-
! Bit(s)
! Description
|-
| 0
| GR_INTR_NOTIFY
|-
| 1
| GR_INTR_SEMAPHORE
|-
| 2
| unknown
|-
| 3
| unknown
|-
| 4
| GR_INTR_ILLEGAL_METHOD
|-
| 5
| GR_INTR_ILLEGAL_CLASS
|-
| 6
| GR_INTR_ILLEGAL_NOTIFY
|-
| 7
| unknown
|-
| 8
| GR_INTR_FIRMWARE_METHOD
|-
| 9–18
| unknown
|-
| 19
| GR_INTR_FECS_ERROR
|-
| 20
| GR_INTR_CLASS_ERROR
|-
| 21
| GR_INTR_EXCEPTION
|-
| 22–31
| unknown
|}


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