Changeset b00849e in mainline for uspace/lib/usb/src/usbdrv.c

Timestamp:

2011-02-02T00:57:32Z (13 years ago)

Author:

Vojtech Horky <vojtechhorky@…>

Branches:

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

Children:

1537ba6, 3597dab

Parents:

2cea1045 (diff), 2f4438f5 (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
Use the (diff) links above to see all the changes relative to each parent.

Message:

Merged pipe API

The pipe API shall eventually replace USB device drivers API explicitly
using phones. This API uses extra abstraction level by introducing
device connection (the wire) and endpoint pipe.

The USB HID driver uses the new API, hub driver does not.

File:

• uspace/lib/usb/src/usbdrv.c (modified) (2 diffs)

uspace/lib/usb/src/usbdrv.c

@@ -495 +495 @@
 }
 
+/** Issue whole control write transfer. */
+int usb_drv_async_control_write(int phone, usb_target_t target,
+    void *setup_packet, size_t setup_packet_size,
+    void *buffer, size_t buffer_size,
+    usb_handle_t *handle)
+{
+        // FIXME - check input parameters instead of asserting them
+        assert(phone > 0);
+        assert(setup_packet != NULL);
+        assert(setup_packet_size > 0);
+        assert(buffer != NULL);
+        assert(buffer_size > 0);
+        assert(handle != NULL);
+
+        transfer_info_t *transfer
+            = (transfer_info_t *) malloc(sizeof(transfer_info_t));
+        if (transfer == NULL) {
+                return ENOMEM;
+        }
+
+        transfer->size_transferred = NULL;
+        transfer->buffer = NULL;
+        transfer->size = 0;
+        transfer->phone = phone;
+
+        int rc;
+
+        transfer->request = async_send_3(phone,
+            DEV_IFACE_ID(USBHC_DEV_IFACE),
+            IPC_M_USBHC_CONTROL_WRITE,
+            target.address, target.endpoint,
+            &transfer->reply);
+
+        rc = async_data_write_start(phone, setup_packet, setup_packet_size);
+        if (rc != EOK) {
+                async_wait_for(transfer->request, NULL);
+                return rc;
+        }
+
+        rc = async_data_write_start(phone, buffer, buffer_size);
+        if (rc != EOK) {
+                async_wait_for(transfer->request, NULL);
+                return rc;
+        }
+
+        *handle = (usb_handle_t) transfer;
+
+        return EOK;
+}
+
 /** Start control read transfer. */
 int usb_drv_async_control_read_setup(int phone, usb_target_t target,
@@ -530 +580 @@
 }
 
+/** Issue whole control read transfer. */
+int usb_drv_async_control_read(int phone, usb_target_t target,
+    void *setup_packet, size_t setup_packet_size,
+    void *buffer, size_t buffer_size, size_t *actual_size,
+    usb_handle_t *handle)
+{
+        // FIXME - check input parameters instead of asserting them
+        assert(phone > 0);
+        assert(setup_packet != NULL);
+        assert(setup_packet_size > 0);
+        assert(buffer != NULL);
+        assert(buffer_size > 0);
+        assert(handle != NULL);
+
+        transfer_info_t *transfer
+            = (transfer_info_t *) malloc(sizeof(transfer_info_t));
+        if (transfer == NULL) {
+                return ENOMEM;
+        }
+
+        transfer->size_transferred = actual_size;
+        transfer->buffer = buffer;
+        transfer->size = buffer_size;
+        transfer->phone = phone;
+
+        int rc;
+
+        transfer->request = async_send_4(phone,
+            DEV_IFACE_ID(USBHC_DEV_IFACE),
+            IPC_M_USBHC_CONTROL_READ,
+            target.address, target.endpoint,
+            buffer_size,
+            &transfer->reply);
+
+        rc = async_data_write_start(phone, setup_packet, setup_packet_size);
+        if (rc != EOK) {
+                async_wait_for(transfer->request, NULL);
+                return rc;
+        }
+
+        *handle = (usb_handle_t) transfer;
+
+        return EOK;
+}
+
 /**
  * @}