Changeset 0995cd6 in mainline for uspace/drv/vhc/hub.c

Timestamp:

2010-12-10T16:15:44Z (14 years ago)

Author:

Vojtech Horky <vojtechhorky@…>

Branches:

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

Children:

cf978f2

Parents:

9f6c5ef0

Message:

Virtual HC root hub sets its own address

File:

• uspace/drv/vhc/hub.c (modified) (3 diffs)

uspace/drv/vhc/hub.c

@@ -37 +37 @@
 #include <usbvirt/device.h>
 #include <errno.h>
+#include <str_error.h>
 #include <stdlib.h>
+#include <driver.h>
 
 #include "vhcd.h"
 #include "hub.h"
 #include "hubintern.h"
+#include "conn.h"
 
 
@@ -148 +151 @@
 hub_device_t hub_dev;
 
+static usb_address_t hub_set_address(usbvirt_device_t *hub)
+{
+        usb_address_t new_address;
+        int rc = vhc_iface.request_address(NULL, &new_address);
+        if (rc != EOK) {
+                return rc;
+        }
+        
+        usb_device_request_setup_packet_t setup_packet = {
+                .request_type = 0,
+                .request = USB_DEVREQ_SET_ADDRESS,
+                .index = 0,
+                .length = 0,
+        };
+        setup_packet.value = new_address;
+
+        hub->transaction_setup(hub, 0, &setup_packet, sizeof(setup_packet));
+        hub->transaction_in(hub, 0, NULL, 0, NULL);
+        
+        return new_address;
+}
+
 /** Initialize virtual hub. */
-void hub_init(void)
+void hub_init(device_t *hc_dev)
 {
         size_t i;
@@ -163 +188 @@
         
         dprintf(1, "virtual hub (%d ports) created", HUB_PORT_COUNT);
+
+        usb_address_t hub_address = hub_set_address(&virthub_dev);
+        if (hub_address < 0) {
+                dprintf(1, "problem changing hub address (%s)",
+                    str_error(hub_address));
+        }
+
+        dprintf(2, "virtual hub address changed to %d", hub_address);
+
+        char *id;
+        int rc = asprintf(&id, "usb&hub");
+        if (rc <= 0) {
+                return;
+        }
+        devman_handle_t hub_handle;
+        rc = child_device_register_wrapper(hc_dev, "hub", id, 10, &hub_handle);
+        if (rc != EOK) {
+                free(id);
+        }
+
+        vhc_iface.bind_address(NULL, hub_address, hub_handle);  
+
+        dprintf(2, "virtual hub has devman handle %d", (int) hub_handle);
 }