Changeset 91ca111 in mainline for uspace/drv/bus/usb/xhci/hc.h

Timestamp:

2017-06-23T11:18:50Z (8 years ago)

Author:

Ondřej Hlavatý <aearsis@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

51b2693

Parents:

e4d7363

Message:

xhci: extended capability handling

Currently, only detection of legacy support and parsing of protocol speeds is
implemented.

File:

• uspace/drv/bus/usb/xhci/hc.h (modified) (1 diff)

uspace/drv/bus/usb/xhci/hc.h

@@ -39 +39 @@
 #include "trb_ring.h"
 
+/**
+ * xHCI lets the controller define speeds of ports it controls.
+ */
+typedef struct xhci_port_speed {
+        uint64_t rx_bps, tx_bps;
+} xhci_port_speed_t;
+
 typedef struct xhci_hc {
+        /* MMIO range */
+        addr_range_t mmio_range;
+        void *base;
+
+        /* Mapped register sets */
         xhci_cap_regs_t *cap_regs;
         xhci_op_regs_t *op_regs;
         xhci_rt_regs_t *rt_regs;
         xhci_doorbell_t *db_arry;
+        xhci_extcap_t *xecp;            /**< First extended capability */
+        xhci_legsup_t *legsup;          /**< Legacy support capability */
 
-        addr_range_t mmio_range;
-
+        /* Structures in allocated memory */
         xhci_trb_ring_t command_ring;
         xhci_event_ring_t event_ring;
-
         xhci_device_ctx_t *dcbaa;
 
+        /* Cached capabilities */
+        xhci_port_speed_t speeds [16];
         unsigned max_slots;
         bool ac64;
-
 } xhci_hc_t;