diff options
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/dev/usb/xhci.c | 18 | ||||
| -rw-r--r-- | sys/include/dev/usb/xhcivar.h | 11 |
2 files changed, 20 insertions, 9 deletions
diff --git a/sys/dev/usb/xhci.c b/sys/dev/usb/xhci.c index a433fb9..a6996bf 100644 --- a/sys/dev/usb/xhci.c +++ b/sys/dev/usb/xhci.c @@ -110,16 +110,19 @@ xhci_submit_cmd(struct xhci_hc *hc, struct xhci_trb trb) struct xhci_caps *caps = XHCI_CAPS(hc->base); /* Push the TRB to the command ring */ - cmd_db = XHCI_CMD_DB(hc->base, caps->dboff); - hc->cmd_ring[hc->cmd_ptr++] = trb; - hc->cycle = ~hc->cycle; - - /* Wrap if needed */ - if (hc->cmd_ptr >= XHCI_CMDRING_LEN) { - hc->cmd_ptr = 0; + hc->cmd_ring[hc->cmd_ptr++] = trb.dword0; + hc->cmd_ring[hc->cmd_ptr++] = trb.dword1; + hc->cmd_ring[hc->cmd_ptr++] = trb.dword2; + hc->cmd_ring[hc->cmd_ptr++] = trb.dword3 | hc->cycle; + hc->cmd_count++; + + if (hc->cmd_count >= XHCI_CMDRING_LEN) { + /* TODO: Add link TRB */ + __assert(0 && "TODO"); } /* Ring the command doorbell */ + cmd_db = XHCI_CMD_DB(hc->base, caps->dboff); *cmd_db = 0; return 0; } @@ -371,6 +374,7 @@ xhci_init_hc(struct xhci_hc *hc) /* Set cmdring state */ hc->cycle = 1; hc->cmd_ptr = 0; + hc->cmd_count = 0; /* Allocate resources and tell the HC about them */ opregs->dcbaa_ptr = xhci_alloc_dcbaa(hc); diff --git a/sys/include/dev/usb/xhcivar.h b/sys/include/dev/usb/xhcivar.h index 2667e2c..06ed3ee 100644 --- a/sys/include/dev/usb/xhcivar.h +++ b/sys/include/dev/usb/xhcivar.h @@ -57,6 +57,12 @@ struct xhci_nop_trb { struct xhci_trb { union { struct xhci_nop_trb nop; + struct { + uint32_t dword0; + uint32_t dword1; + uint32_t dword2; + uint32_t dword3; + }; }; }; @@ -92,10 +98,11 @@ struct xhci_hc { size_t protocnt; uintptr_t *dcbaap; uint8_t cycle : 1; - uint16_t cmd_ptr; /* Command ring enqueue ptr */ + uint16_t cmd_ptr; /* Command ring index */ + uint16_t cmd_count; /* Command ring entry count */ + uint32_t *cmd_ring; struct xhci_opregs *opregs; struct xhci_proto protos[XHCI_MAX_PROTOS]; - struct xhci_trb *cmd_ring; struct xhci_evring_segment *evring_seg; }; |