Changeset 60af4cdb in mainline for uspace/drv/bus/usb/xhci/commands.c

Timestamp:

2017-10-19T14:01:18Z (8 years ago)

Author:

Michal Staruch <salmelu@…>

Branches:

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

Children:

0f6b50f

Parents:

95c675b

Message:

Added get port bandwidth command

File:

• uspace/drv/bus/usb/xhci/commands.c (modified) (2 diffs)

uspace/drv/bus/usb/xhci/commands.c

@@ -50 +50 @@
 #define TRB_SET_SUSP(trb, susp) (trb).control |= host2xhci(32, ((susp) & 0x1) << 23)
 #define TRB_SET_SLOT(trb, slot) (trb).control |= host2xhci(32, (slot) << 24)
+#define TRB_SET_DEV_SPEED(trb, speed)   (trb).control |= host2xhci(32, (speed & 0xF) << 16)
 
 /**
@@ -418 +419 @@
 }
 
+int xhci_get_port_bandwidth_command(xhci_hc_t *hc, xhci_cmd_t *cmd,
+        xhci_port_bandwidth_ctx_t *ctx, uint8_t device_speed)
+{
+        assert(hc);
+        assert(cmd);
+
+        xhci_trb_clean(&cmd->trb);
+
+        uint64_t phys_addr = (uint64_t) addr_to_phys(ctx);
+        TRB_SET_ICTX(cmd->trb, phys_addr);
+
+        TRB_SET_TYPE(cmd->trb, XHCI_TRB_TYPE_GET_PORT_BANDWIDTH_CMD);
+        TRB_SET_SLOT(cmd->trb, cmd->slot_id);
+        TRB_SET_DEV_SPEED(cmd->trb, device_speed);
+
+        return enqueue_command(hc, cmd, 0, 0);
+}
+
 int xhci_handle_command_completion(xhci_hc_t *hc, xhci_trb_t *trb)
 {