Index: uspace/lib/usb/src/hidreq.c
===================================================================
--- uspace/lib/usb/src/hidreq.c	(revision 476b71ff0be15aa5fefa460a7911a8e4948455f2)
+++ uspace/lib/usb/src/hidreq.c	(revision 476b71ff0be15aa5fefa460a7911a8e4948455f2)
@@ -0,0 +1,479 @@
+/*
+ * Copyright (c) 2011 Lubos Slovak
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ * - Redistributions in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the distribution.
+ * - The name of the author may not be used to endorse or promote products
+ *   derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/** @addtogroup drvusbhid
+ * @{
+ */
+/** @file
+ * HID class-specific requests.
+ */
+
+#include <stdint.h>
+#include <errno.h>
+#include <str_error.h>
+
+#include <usb/classes/hid.h>
+#include <usb/debug.h>
+#include <usb/request.h>
+#include <usb/pipes.h>
+
+#include <usb/classes/hidreq.h>
+
+/*----------------------------------------------------------------------------*/
+/**
+ * Send Set Report request to the HID device.
+ *
+ * @param hid_dev HID device to send the request to.
+ * @param type Type of the report.
+ * @param buffer Report data.
+ * @param buf_size Report data size (in bytes).
+ *
+ * @retval EOK if successful.
+ * @retval EINVAL if no HID device is given.
+ * @return Other value inherited from one of functions 
+ *         usb_pipe_start_session(), usb_pipe_end_session(),
+ *         usb_control_request_set().
+ */
+int usbhid_req_set_report(usb_pipe_t *ctrl_pipe, int iface_no,
+    usb_hid_report_type_t type, uint8_t *buffer, size_t buf_size)
+{
+	if (ctrl_pipe == NULL) {
+		usb_log_warning("usbhid_req_set_report(): no pipe given.\n");
+		return EINVAL;
+	}
+	
+	if (iface_no < 0) {
+		usb_log_warning("usbhid_req_set_report(): no interface given."
+		    "\n");
+		return EINVAL;
+	}
+	
+	/*
+	 * No need for checking other parameters, as they are checked in
+	 * the called function (usb_control_request_set()).
+	 */
+	
+	int rc, sess_rc;
+	
+	sess_rc = usb_pipe_start_session(ctrl_pipe);
+	if (sess_rc != EOK) {
+		usb_log_warning("Failed to start a session: %s.\n",
+		    str_error(sess_rc));
+		return sess_rc;
+	}
+	
+	uint16_t value = 0;
+	value |= (type << 8);
+
+	usb_log_debug("Sending Set_Report request to the device.\n");
+	
+	rc = usb_control_request_set(ctrl_pipe, 
+	    USB_REQUEST_TYPE_CLASS, USB_REQUEST_RECIPIENT_INTERFACE, 
+	    USB_HIDREQ_SET_REPORT, value, iface_no, buffer, buf_size);
+
+	sess_rc = usb_pipe_end_session(ctrl_pipe);
+
+	if (rc != EOK) {
+		usb_log_warning("Error sending output report to the keyboard: "
+		    "%s.\n", str_error(rc));
+		return rc;
+	}
+
+	if (sess_rc != EOK) {
+		usb_log_warning("Error closing session: %s.\n",
+		    str_error(sess_rc));
+		return sess_rc;
+	}
+	
+	return EOK;
+}
+
+/*----------------------------------------------------------------------------*/
+/**
+ * Send Set Protocol request to the HID device.
+ *
+ * @param hid_dev HID device to send the request to.
+ * @param protocol Protocol to set.
+ *
+ * @retval EOK if successful.
+ * @retval EINVAL if no HID device is given.
+ * @return Other value inherited from one of functions 
+ *         usb_pipe_start_session(), usb_pipe_end_session(),
+ *         usb_control_request_set().
+ */
+int usbhid_req_set_protocol(usb_pipe_t *ctrl_pipe, int iface_no,
+    usb_hid_protocol_t protocol)
+{
+	if (ctrl_pipe == NULL) {
+		usb_log_warning("usbhid_req_set_report(): no pipe given.\n");
+		return EINVAL;
+	}
+	
+	if (iface_no < 0) {
+		usb_log_warning("usbhid_req_set_report(): no interface given."
+		    "\n");
+		return EINVAL;
+	}
+	
+	/*
+	 * No need for checking other parameters, as they are checked in
+	 * the called function (usb_control_request_set()).
+	 */
+	
+	int rc, sess_rc;
+	
+	sess_rc = usb_pipe_start_session(ctrl_pipe);
+	if (sess_rc != EOK) {
+		usb_log_warning("Failed to start a session: %s.\n",
+		    str_error(sess_rc));
+		return sess_rc;
+	}
+
+	usb_log_debug("Sending Set_Protocol request to the device ("
+	    "protocol: %d, iface: %d).\n", protocol, iface_no);
+	
+	rc = usb_control_request_set(ctrl_pipe, 
+	    USB_REQUEST_TYPE_CLASS, USB_REQUEST_RECIPIENT_INTERFACE, 
+	    USB_HIDREQ_SET_PROTOCOL, protocol, iface_no, NULL, 0);
+
+	sess_rc = usb_pipe_end_session(ctrl_pipe);
+
+	if (rc != EOK) {
+		usb_log_warning("Error sending output report to the keyboard: "
+		    "%s.\n", str_error(rc));
+		return rc;
+	}
+
+	if (sess_rc != EOK) {
+		usb_log_warning("Error closing session: %s.\n",
+		    str_error(sess_rc));
+		return sess_rc;
+	}
+	
+	return EOK;
+}
+
+/*----------------------------------------------------------------------------*/
+/**
+ * Send Set Idle request to the HID device.
+ *
+ * @param hid_dev HID device to send the request to.
+ * @param duration Duration value (is multiplicated by 4 by the device to
+ *                 get real duration in miliseconds).
+ *
+ * @retval EOK if successful.
+ * @retval EINVAL if no HID device is given.
+ * @return Other value inherited from one of functions 
+ *         usb_pipe_start_session(), usb_pipe_end_session(),
+ *         usb_control_request_set().
+ */
+int usbhid_req_set_idle(usb_pipe_t *ctrl_pipe, int iface_no, uint8_t duration)
+{
+	if (ctrl_pipe == NULL) {
+		usb_log_warning("usbhid_req_set_report(): no pipe given.\n");
+		return EINVAL;
+	}
+	
+	if (iface_no < 0) {
+		usb_log_warning("usbhid_req_set_report(): no interface given."
+		    "\n");
+		return EINVAL;
+	}
+	
+	/*
+	 * No need for checking other parameters, as they are checked in
+	 * the called function (usb_control_request_set()).
+	 */
+	
+	int rc, sess_rc;
+	
+	sess_rc = usb_pipe_start_session(ctrl_pipe);
+	if (sess_rc != EOK) {
+		usb_log_warning("Failed to start a session: %s.\n",
+		    str_error(sess_rc));
+		return sess_rc;
+	}
+
+	usb_log_debug("Sending Set_Idle request to the device ("
+	    "duration: %u, iface: %d).\n", duration, iface_no);
+	
+	uint16_t value = duration << 8;
+	
+	rc = usb_control_request_set(ctrl_pipe, 
+	    USB_REQUEST_TYPE_CLASS, USB_REQUEST_RECIPIENT_INTERFACE, 
+	    USB_HIDREQ_SET_IDLE, value, iface_no, NULL, 0);
+
+	sess_rc = usb_pipe_end_session(ctrl_pipe);
+
+	if (rc != EOK) {
+		usb_log_warning("Error sending output report to the keyboard: "
+		    "%s.\n", str_error(rc));
+		return rc;
+	}
+
+	if (sess_rc != EOK) {
+		usb_log_warning("Error closing session: %s.\n",
+		    str_error(sess_rc));
+		return sess_rc;
+	}
+	
+	return EOK;
+}
+
+/*----------------------------------------------------------------------------*/
+/**
+ * Send Get Report request to the HID device.
+ *
+ * @param[in] hid_dev HID device to send the request to.
+ * @param[in] type Type of the report.
+ * @param[in][out] buffer Buffer for the report data.
+ * @param[in] buf_size Size of the buffer (in bytes).
+ * @param[out] actual_size Actual size of report received from the device 
+ *                         (in bytes).
+ *
+ * @retval EOK if successful.
+ * @retval EINVAL if no HID device is given.
+ * @return Other value inherited from one of functions 
+ *         usb_pipe_start_session(), usb_pipe_end_session(),
+ *         usb_control_request_set().
+ */
+int usbhid_req_get_report(usb_pipe_t *ctrl_pipe, int iface_no, 
+    usb_hid_report_type_t type, uint8_t *buffer, size_t buf_size, 
+    size_t *actual_size)
+{
+	if (ctrl_pipe == NULL) {
+		usb_log_warning("usbhid_req_set_report(): no pipe given.\n");
+		return EINVAL;
+	}
+	
+	if (iface_no < 0) {
+		usb_log_warning("usbhid_req_set_report(): no interface given."
+		    "\n");
+		return EINVAL;
+	}
+	
+	/*
+	 * No need for checking other parameters, as they are checked in
+	 * the called function (usb_control_request_set()).
+	 */
+	
+	int rc, sess_rc;
+	
+	sess_rc = usb_pipe_start_session(ctrl_pipe);
+	if (sess_rc != EOK) {
+		usb_log_warning("Failed to start a session: %s.\n",
+		    str_error(sess_rc));
+		return sess_rc;
+	}
+
+	uint16_t value = 0;
+	value |= (type << 8);
+	
+	usb_log_debug("Sending Get_Report request to the device.\n");
+	
+	rc = usb_control_request_get(ctrl_pipe, 
+	    USB_REQUEST_TYPE_CLASS, USB_REQUEST_RECIPIENT_INTERFACE, 
+	    USB_HIDREQ_GET_REPORT, value, iface_no, buffer, buf_size,
+	    actual_size);
+
+	sess_rc = usb_pipe_end_session(ctrl_pipe);
+
+	if (rc != EOK) {
+		usb_log_warning("Error sending output report to the keyboard: "
+		    "%s.\n", str_error(rc));
+		return rc;
+	}
+
+	if (sess_rc != EOK) {
+		usb_log_warning("Error closing session: %s.\n",
+		    str_error(sess_rc));
+		return sess_rc;
+	}
+	
+	return EOK;
+}
+
+/*----------------------------------------------------------------------------*/
+/**
+ * Send Get Protocol request to the HID device.
+ *
+ * @param[in] hid_dev HID device to send the request to.
+ * @param[out] protocol Current protocol of the device.
+ *
+ * @retval EOK if successful.
+ * @retval EINVAL if no HID device is given.
+ * @return Other value inherited from one of functions 
+ *         usb_pipe_start_session(), usb_pipe_end_session(),
+ *         usb_control_request_set().
+ */
+int usbhid_req_get_protocol(usb_pipe_t *ctrl_pipe, int iface_no, 
+    usb_hid_protocol_t *protocol)
+{
+	if (ctrl_pipe == NULL) {
+		usb_log_warning("usbhid_req_set_report(): no pipe given.\n");
+		return EINVAL;
+	}
+	
+	if (iface_no < 0) {
+		usb_log_warning("usbhid_req_set_report(): no interface given."
+		    "\n");
+		return EINVAL;
+	}
+	
+	/*
+	 * No need for checking other parameters, as they are checked in
+	 * the called function (usb_control_request_set()).
+	 */
+	
+	int rc, sess_rc;
+	
+	sess_rc = usb_pipe_start_session(ctrl_pipe);
+	if (sess_rc != EOK) {
+		usb_log_warning("Failed to start a session: %s.\n",
+		    str_error(sess_rc));
+		return sess_rc;
+	}
+
+	usb_log_debug("Sending Get_Protocol request to the device ("
+	    "iface: %d).\n", iface_no);
+	
+	uint8_t buffer[1];
+	size_t actual_size = 0;
+	
+	rc = usb_control_request_get(ctrl_pipe, 
+	    USB_REQUEST_TYPE_CLASS, USB_REQUEST_RECIPIENT_INTERFACE, 
+	    USB_HIDREQ_GET_PROTOCOL, 0, iface_no, buffer, 1, &actual_size);
+
+	sess_rc = usb_pipe_end_session(ctrl_pipe);
+
+	if (rc != EOK) {
+		usb_log_warning("Error sending output report to the keyboard: "
+		    "%s.\n", str_error(rc));
+		return rc;
+	}
+
+	if (sess_rc != EOK) {
+		usb_log_warning("Error closing session: %s.\n",
+		    str_error(sess_rc));
+		return sess_rc;
+	}
+	
+	if (actual_size != 1) {
+		usb_log_warning("Wrong data size: %zu, expected: 1.\n",
+			actual_size);
+		return ELIMIT;
+	}
+	
+	*protocol = buffer[0];
+	
+	return EOK;
+}
+
+/*----------------------------------------------------------------------------*/
+/**
+ * Send Get Idle request to the HID device.
+ *
+ * @param[in] hid_dev HID device to send the request to.
+ * @param[out] duration Duration value (multiplicate by 4 to get real duration
+ *                      in miliseconds).
+ *
+ * @retval EOK if successful.
+ * @retval EINVAL if no HID device is given.
+ * @return Other value inherited from one of functions 
+ *         usb_pipe_start_session(), usb_pipe_end_session(),
+ *         usb_control_request_set().
+ */
+int usbhid_req_get_idle(usb_pipe_t *ctrl_pipe, int iface_no, uint8_t *duration)
+{
+	if (ctrl_pipe == NULL) {
+		usb_log_warning("usbhid_req_set_report(): no pipe given.\n");
+		return EINVAL;
+	}
+	
+	if (iface_no < 0) {
+		usb_log_warning("usbhid_req_set_report(): no interface given."
+		    "\n");
+		return EINVAL;
+	}
+	
+	/*
+	 * No need for checking other parameters, as they are checked in
+	 * the called function (usb_control_request_set()).
+	 */
+	
+	int rc, sess_rc;
+	
+	sess_rc = usb_pipe_start_session(ctrl_pipe);
+	if (sess_rc != EOK) {
+		usb_log_warning("Failed to start a session: %s.\n",
+		    str_error(sess_rc));
+		return sess_rc;
+	}
+
+	usb_log_debug("Sending Get_Idle request to the device ("
+	    "iface: %d).\n", iface_no);
+	
+	uint16_t value = 0;
+	uint8_t buffer[1];
+	size_t actual_size = 0;
+	
+	rc = usb_control_request_get(ctrl_pipe, 
+	    USB_REQUEST_TYPE_CLASS, USB_REQUEST_RECIPIENT_INTERFACE, 
+	    USB_HIDREQ_GET_IDLE, value, iface_no, buffer, 1, 
+	    &actual_size);
+
+	sess_rc = usb_pipe_end_session(ctrl_pipe);
+
+	if (rc != EOK) {
+		usb_log_warning("Error sending output report to the keyboard: "
+		    "%s.\n", str_error(rc));
+		return rc;
+	}
+
+	if (sess_rc != EOK) {
+		usb_log_warning("Error closing session: %s.\n",
+		    str_error(sess_rc));
+		return sess_rc;
+	}
+	
+	if (actual_size != 1) {
+		usb_log_warning("Wrong data size: %zu, expected: 1.\n",
+			actual_size);
+		return ELIMIT;
+	}
+	
+	*duration = buffer[0];
+	
+	return EOK;
+}
+
+/*----------------------------------------------------------------------------*/
+
+/**
+ * @}
+ */