Changes in uspace/drv/usbmid/explore.c [fcafa04:8f74140c] in mainline

File:

• uspace/drv/usbmid/explore.c (modified) (7 diffs)

uspace/drv/usbmid/explore.c

@@ -40 +40 @@
 #include <usb/request.h>
 #include <usb/dp.h>
-#include <usb/ddfiface.h>
 #include "usbmid.h"
-
-/** Operations of the device itself. */
-static ddf_dev_ops_t mid_device_ops = {
-        .interfaces[USB_DEV_IFACE] = &usb_iface_hub_impl
-};
 
 /** Find starting indexes of all interface descriptors in a configuration.
@@ -111 +105 @@
  * @return Whether to accept this device from devman.
  */
-bool usbmid_explore_device(usb_device_t *dev)
+bool usbmid_explore_device(usbmid_device_t *dev)
 {
-        int rc;
-
-        int dev_class = dev->descriptors.device.device_class;
-        if (dev_class != USB_CLASS_USE_INTERFACE) {
+        usb_standard_device_descriptor_t device_descriptor;
+        int rc = usb_request_get_device_descriptor(&dev->ctrl_pipe,
+            &device_descriptor);
+        if (rc != EOK) {
+                usb_log_error("Getting device descriptor failed: %s.\n",
+                    str_error(rc));
+                return false;
+        }
+
+        if (device_descriptor.device_class != USB_CLASS_USE_INTERFACE) {
                 usb_log_warning(
                     "Device class: %d (%s), but expected class 0.\n",
-                    dev_class, usb_str_class(dev_class));
+                    device_descriptor.device_class,
+                    usb_str_class(device_descriptor.device_class));
                 usb_log_error("Not multi interface device, refusing.\n");
                 return false;
         }
 
-        /* Short cuts to save on typing ;-). */
-        uint8_t *config_descriptor_raw = dev->descriptors.configuration;
-        size_t config_descriptor_size = dev->descriptors.configuration_size;
-        usb_standard_configuration_descriptor_t *config_descriptor =
-            (usb_standard_configuration_descriptor_t *) config_descriptor_raw;
+        size_t config_descriptor_size;
+        uint8_t *config_descriptor_raw = NULL;
+        rc = usb_request_get_full_configuration_descriptor_alloc(
+            &dev->ctrl_pipe, 0,
+            (void **) &config_descriptor_raw, &config_descriptor_size);
+        if (rc != EOK) {
+                usb_log_error("Failed getting full config descriptor: %s.\n",
+                    str_error(rc));
+                return false;
+        }
+
+        usb_standard_configuration_descriptor_t *config_descriptor
+            = (usb_standard_configuration_descriptor_t *) config_descriptor_raw;
 
         size_t *interface_descriptors
@@ -145 +154 @@
         if (interface_descriptors_count == (size_t) -1) {
                 usb_log_error("Problem parsing configuration descriptor.\n");
+                free(config_descriptor_raw);
                 free(interface_descriptors);
                 return false;
@@ -155 +165 @@
                 usb_log_error("Failed to set device configuration: %s.\n",
                     str_error(rc));
+                free(config_descriptor_raw);
                 free(interface_descriptors);
                 return false;
@@ -161 +172 @@
 
         /* Create control function */
-        ddf_fun_t *ctl_fun = ddf_fun_create(dev->ddf_dev, fun_exposed, "ctl");
+        ddf_fun_t *ctl_fun = ddf_fun_create(dev->dev, fun_exposed, "ctl");
         if (ctl_fun == NULL) {
                 usb_log_error("Failed to create control function.\n");
-                free(interface_descriptors);
-                return false;
-        }
-
-        ctl_fun->ops = &mid_device_ops;
-
+                free(config_descriptor_raw);
+                free(interface_descriptors);
+                return false;
+        }
         rc = ddf_fun_bind(ctl_fun);
         if (rc != EOK) {
                 usb_log_error("Failed to bind control function: %s.\n",
                     str_error(rc));
+                free(config_descriptor_raw);
                 free(interface_descriptors);
                 return false;
@@ -189 +199 @@
                     (int) interface->interface_number,
                     usb_str_class(interface->interface_class));
-                rc = usbmid_spawn_interface_child(dev, &dev->descriptors.device,
+                rc = usbmid_spawn_interface_child(dev, &device_descriptor,
                     interface);
                 if (rc != EOK) {
@@ -197 +207 @@
         }
 
+        free(config_descriptor_raw);
+
         return true;
 }