josh/hos
1
0
Fork 0
Code Issues 1 Pull Requests Projects Releases Wiki Activity

Document xHCI operational registers

Browse Source
This commit is contained in:
Josh Holtrop 2023-09-23 11:59:20 -04:00
parent 4814b51daf
commit 0ae3c6c96d
1 changed files with 67 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

67
src/hulk/usb/xhci.d
View File

@ -121,15 +121,82 @@ struct XHCI
*/
struct OperationalRegisters
{
/**
* 0 run/stop (RS)
* 1 host controller reset (HCRST)
* 2 interrupter enable (INTE)
* 3 host system error enable (HSEE)
* 6:4 reserved
* 7 light host controller reset (LHCRST)
* 8 controller save state (CSS)
* 9 controller restore state (CRS)
* 10 enable wrap event (EWE)
* 11 enable U3 MFINDEX stop (UE3S)
* 12 stopped short packet enable (SPE; xHCI v1.1+)
* 13 CEM enable (CME; xHCI v1.1+)
* 14 extended TBC enable (ETE; xHCI v1.2+)
* 15 extended TBC TRB status enable (TSC_EN; xHCI v1.2+)
* 16 VTIO enable (VTIOE; xHCI v1.2+)
* 31:17 reserved
*/
uint usb_command;
/**
* 0 HCHalted
* 1 reserved
* 2 Host System Error (HSE)
* 3 Event Interrupt (EINT)
* 4 Port Change Detected (PCD)
* 7:5 reserved
* 8 Save State Status (SSS)
* 9 Restore State Status (RSS)
* 10 Save/Restore Error (SRE)
* 11 Controller Not Ready (CNR)
* 12 Host Controller Error (HCE)
* 31:13 reserved
*/
uint usb_status;
/**
* 15:0 Page Size (actual page size is 2^(x+12))
* 31:16 reserved
*/
uint page_size;
uint[2] _reserved01;
/**
* 15:0 Notification Enable
* 31:16 reserved
*/
uint dn_ctrl;
/**
* 0 Ring Cycle State (RCS)
* 1 Command Stop (CS)
* 2 Command Abort (CA)
* 3 Command Ring Running (CRR)
* 5:4 reserved
* 63:6 Command Ring Pointer
*/
ulong cr_ctrl;
uint[4] _reserved02;
/**
* 5:0 reserved
* 63:6 Device Context Base Address Array Pointer
*/
ulong dcbaap;
/**
* 7:0 Max Device Slots Enabled (MaxSlotsEn)
* 8 U3 Entry Enable (U3E; xHCI v1.1+)
* 9 Configuration Information Enable (CIE; xHCI v1.1+)
* 31:10 reserved
*/
uint config;
uint _reserved03;
}
static assert(OperationalRegisters.sizeof == 0x40u);