diff options
Diffstat (limited to 'drivers/hid/hid-sony.c')
| -rw-r--r-- | drivers/hid/hid-sony.c | 152 |
1 files changed, 152 insertions, 0 deletions
diff --git a/drivers/hid/hid-sony.c b/drivers/hid/hid-sony.c new file mode 100644 index 0000000..dd5a397 --- /dev/null +++ b/drivers/hid/hid-sony.c @@ -0,0 +1,152 @@ +/* + * 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/usb.h> + +#include "hid-ids.h" + +#define VAIO_RDESC_CONSTANT 0x0001 + +struct sony_sc { + unsigned long quirks; +}; + +/* Sony Vaio VGX has wrongly mouse pointer declared as constant */ +static void 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) { + dev_info(&hdev->dev, "Fixing up Sony Vaio VGX report " + "descriptor\n"); + rdesc[55] = 0x06; + } +} + +/* + * 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 sony_set_operational(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) + dev_err(&hdev->dev, "can't set operational mode\n"); + + kfree(buf); + + return ret; +} + +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) { + dev_err(&hdev->dev, "can't alloc apple descriptor\n"); + return -ENOMEM; + } + + sc->quirks = quirks; + hid_set_drvdata(hdev, sc); + + ret = hid_parse(hdev); + if (ret) { + dev_err(&hdev->dev, "parse failed\n"); + goto err_free; + } + + ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT | + HID_CONNECT_HIDDEV_FORCE); + if (ret) { + dev_err(&hdev->dev, "hw start failed\n"); + goto err_free; + } + + ret = sony_set_operational(hdev); + 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) }, + { 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 sony_init(void) +{ + return hid_register_driver(&sony_driver); +} + +static void sony_exit(void) +{ + hid_unregister_driver(&sony_driver); +} + +module_init(sony_init); +module_exit(sony_exit); +MODULE_LICENSE("GPL"); + +HID_COMPAT_LOAD_DRIVER(sony); |
