initial_commit

1 files changed, 211 insertions, 0 deletions

diff --git a/drivers/hid/hid-sony.c b/drivers/hid/hid-sony.c
new file mode 100644
index 00000000..936c911f
--- /dev/null
+++ b/drivers/hid/hid-sony.c
@@ -0,0 +1,211 @@
+/*
+ *  HID driver for some sony "special" devices
+ *
+ *  Copyright (c) 1999 Andreas Gal
+ *  Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz>
+ *  Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc
+ *  Copyright (c) 2007 Paul Walmsley
+ *  Copyright (c) 2008 Jiri Slaby
+ *  Copyright (c) 2006-2008 Jiri Kosina
+ */
+
+/*
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation; either version 2 of the License, or (at your option)
+ * any later version.
+ */
+
+#include <linux/device.h>
+#include <linux/hid.h>
+#include <linux/module.h>
+#include <linux/slab.h>
+#include <linux/usb.h>
+
+#include "hid-ids.h"
+
+#define VAIO_RDESC_CONSTANT     (1 << 0)
+#define SIXAXIS_CONTROLLER_USB  (1 << 1)
+#define SIXAXIS_CONTROLLER_BT   (1 << 2)
+
+struct sony_sc {
+	unsigned long quirks;
+};
+
+/* Sony Vaio VGX has wrongly mouse pointer declared as constant */
+static __u8 *sony_report_fixup(struct hid_device *hdev, __u8 *rdesc,
+		unsigned int *rsize)
+{
+	struct sony_sc *sc = hid_get_drvdata(hdev);
+
+	if ((sc->quirks & VAIO_RDESC_CONSTANT) &&
+			*rsize >= 56 && rdesc[54] == 0x81 && rdesc[55] == 0x07) {
+		hid_info(hdev, "Fixing up Sony Vaio VGX report descriptor\n");
+		rdesc[55] = 0x06;
+	}
+	return rdesc;
+}
+
+/*
+ * The Sony Sixaxis does not handle HID Output Reports on the Interrupt EP
+ * like it should according to usbhid/hid-core.c::usbhid_output_raw_report()
+ * so we need to override that forcing HID Output Reports on the Control EP.
+ *
+ * There is also another issue about HID Output Reports via USB, the Sixaxis
+ * does not want the report_id as part of the data packet, so we have to
+ * discard buf[0] when sending the actual control message, even for numbered
+ * reports, humpf!
+ */
+static int sixaxis_usb_output_raw_report(struct hid_device *hid, __u8 *buf,
+		size_t count, unsigned char report_type)
+{
+	struct usb_interface *intf = to_usb_interface(hid->dev.parent);
+	struct usb_device *dev = interface_to_usbdev(intf);
+	struct usb_host_interface *interface = intf->cur_altsetting;
+	int report_id = buf[0];
+	int ret;
+
+	if (report_type == HID_OUTPUT_REPORT) {
+		/* Don't send the Report ID */
+		buf++;
+		count--;
+	}
+
+	ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
+		HID_REQ_SET_REPORT,
+		USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE,
+		((report_type + 1) << 8) | report_id,
+		interface->desc.bInterfaceNumber, buf, count,
+		USB_CTRL_SET_TIMEOUT);
+
+	/* Count also the Report ID, in case of an Output report. */
+	if (ret > 0 && report_type == HID_OUTPUT_REPORT)
+		ret++;
+
+	return ret;
+}
+
+/*
+ * Sending HID_REQ_GET_REPORT changes the operation mode of the ps3 controller
+ * to "operational".  Without this, the ps3 controller will not report any
+ * events.
+ */
+static int sixaxis_set_operational_usb(struct hid_device *hdev)
+{
+	struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
+	struct usb_device *dev = interface_to_usbdev(intf);
+	__u16 ifnum = intf->cur_altsetting->desc.bInterfaceNumber;
+	int ret;
+	char *buf = kmalloc(18, GFP_KERNEL);
+
+	if (!buf)
+		return -ENOMEM;
+
+	ret = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0),
+				 HID_REQ_GET_REPORT,
+				 USB_DIR_IN | USB_TYPE_CLASS |
+				 USB_RECIP_INTERFACE,
+				 (3 << 8) | 0xf2, ifnum, buf, 17,
+				 USB_CTRL_GET_TIMEOUT);
+	if (ret < 0)
+		hid_err(hdev, "can't set operational mode\n");
+
+	kfree(buf);
+
+	return ret;
+}
+
+static int sixaxis_set_operational_bt(struct hid_device *hdev)
+{
+	unsigned char buf[] = { 0xf4,  0x42, 0x03, 0x00, 0x00 };
+	return hdev->hid_output_raw_report(hdev, buf, sizeof(buf), HID_FEATURE_REPORT);
+}
+
+static int sony_probe(struct hid_device *hdev, const struct hid_device_id *id)
+{
+	int ret;
+	unsigned long quirks = id->driver_data;
+	struct sony_sc *sc;
+
+	sc = kzalloc(sizeof(*sc), GFP_KERNEL);
+	if (sc == NULL) {
+		hid_err(hdev, "can't alloc sony descriptor\n");
+		return -ENOMEM;
+	}
+
+	sc->quirks = quirks;
+	hid_set_drvdata(hdev, sc);
+
+	ret = hid_parse(hdev);
+	if (ret) {
+		hid_err(hdev, "parse failed\n");
+		goto err_free;
+	}
+
+	ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT |
+			HID_CONNECT_HIDDEV_FORCE);
+	if (ret) {
+		hid_err(hdev, "hw start failed\n");
+		goto err_free;
+	}
+
+	if (sc->quirks & SIXAXIS_CONTROLLER_USB) {
+		hdev->hid_output_raw_report = sixaxis_usb_output_raw_report;
+		ret = sixaxis_set_operational_usb(hdev);
+	}
+	else if (sc->quirks & SIXAXIS_CONTROLLER_BT)
+		ret = sixaxis_set_operational_bt(hdev);
+	else
+		ret = 0;
+
+	if (ret < 0)
+		goto err_stop;
+
+	return 0;
+err_stop:
+	hid_hw_stop(hdev);
+err_free:
+	kfree(sc);
+	return ret;
+}
+
+static void sony_remove(struct hid_device *hdev)
+{
+	hid_hw_stop(hdev);
+	kfree(hid_get_drvdata(hdev));
+}
+
+static const struct hid_device_id sony_devices[] = {
+	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER),
+		.driver_data = SIXAXIS_CONTROLLER_USB },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_NAVIGATION_CONTROLLER),
+		.driver_data = SIXAXIS_CONTROLLER_USB },
+	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER),
+		.driver_data = SIXAXIS_CONTROLLER_BT },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGX_MOUSE),
+		.driver_data = VAIO_RDESC_CONSTANT },
+	{ }
+};
+MODULE_DEVICE_TABLE(hid, sony_devices);
+
+static struct hid_driver sony_driver = {
+	.name = "sony",
+	.id_table = sony_devices,
+	.probe = sony_probe,
+	.remove = sony_remove,
+	.report_fixup = sony_report_fixup,
+};
+
+static int __init sony_init(void)
+{
+	return hid_register_driver(&sony_driver);
+}
+
+static void __exit sony_exit(void)
+{
+	hid_unregister_driver(&sony_driver);
+}
+
+module_init(sony_init);
+module_exit(sony_exit);
+MODULE_LICENSE("GPL");