diff options
Diffstat (limited to 'drivers/usb/hid.h')
| -rw-r--r-- | drivers/usb/hid.h | 23 |
1 files changed, 17 insertions, 6 deletions
diff --git a/drivers/usb/hid.h b/drivers/usb/hid.h index 88ab5eaca..98abc8a76 100644 --- a/drivers/usb/hid.h +++ b/drivers/usb/hid.h @@ -2,7 +2,7 @@ #define __HID_H /* - * $Id: hid.h,v 1.4 2000/05/29 09:01:52 vojtech Exp $ + * $Id: hid.h,v 1.7 2000/05/31 22:57:48 vojtech Exp $ * * Copyright (c) 1999 Andreas Gal * Copyright (c) 2000 Vojtech Pavlik @@ -208,10 +208,11 @@ struct hid_global { * This is the local enviroment. It is resistent up the the next main-item. */ -#define MAX_USAGES 1024 +#define HID_MAX_DESCRIPTOR_SIZE 4096 +#define HID_MAX_USAGES 1024 struct hid_local { - unsigned usage[MAX_USAGES]; /* usage array */ + unsigned usage[HID_MAX_USAGES]; /* usage array */ unsigned usage_index; unsigned usage_minimum; unsigned delimiter_depth; @@ -275,6 +276,14 @@ struct hid_report_enum { #define HID_REPORT_TYPES 3 +#define HID_BUFFER_SIZE 32 +#define HID_CONTROL_FIFO_SIZE 8 + +struct hid_control_fifo { + devrequest dr; + char buffer[HID_BUFFER_SIZE]; +}; + struct hid_device { /* device report descriptor */ __u8 *rdesc; unsigned rsize; @@ -286,11 +295,13 @@ struct hid_device { /* device report descriptor */ struct usb_device *dev; /* USB device */ int ifnum; /* USB interface number */ - char buffer[32]; /* Receive buffer */ - char bufout[32]; /* Transmit buffer */ - devrequest dr; /* Startup packet */ struct urb urb; /* USB URB structure */ + char buffer[HID_BUFFER_SIZE]; /* Rx buffer */ + struct urb urbout; /* Output URB */ + struct hid_control_fifo out[HID_CONTROL_FIFO_SIZE]; /* Transmit buffer */ + unsigned char outhead, outtail; /* Tx buffer head & tail */ + struct input_dev input; /* input device structure */ int open; /* is the device open by input? */ int quirks; /* Various nasty tricks the device can pull on us */ |