diff options
Diffstat (limited to 'drivers/usb/input/pid.h')
| -rw-r--r-- | drivers/usb/input/pid.h | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/drivers/usb/input/pid.h b/drivers/usb/input/pid.h new file mode 100644 index 000000000000..a2cb9627ed0e --- /dev/null +++ b/drivers/usb/input/pid.h @@ -0,0 +1,62 @@ +/* + * PID Force feedback support for hid devices. + * + * Copyright (c) 2002 Rodrigo Damazio. + */ + +/* + * 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. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * Should you need to contact me, the author, you can do so by + * e-mail - mail your message to <rdamazio@lsi.usp.br> + */ + +#define FF_EFFECTS_MAX 64 + +#define FF_PID_FLAGS_USED 1 /* If the effect exists */ +#define FF_PID_FLAGS_UPDATING 2 /* If the effect is being updated */ +#define FF_PID_FLAGS_PLAYING 3 /* If the effect is currently being played */ + +#define FF_PID_FALSE 0 +#define FF_PID_TRUE 1 + +struct hid_pid_effect { + unsigned long flags; + pid_t owner; + unsigned int device_id; /* The device-assigned ID */ + struct ff_effect effect; +}; + +struct hid_ff_pid { + struct hid_device *hid; + unsigned long gain; + + struct urb *urbffout; + struct usb_ctrlrequest ffcr; + spinlock_t lock; + + unsigned char ctrl_buffer[8]; + + struct hid_pid_effect effects[FF_EFFECTS_MAX]; +}; + +/* + * Constants from the PID usage table (still far from complete) + */ + +#define FF_PID_USAGE_BLOCK_LOAD 0x89UL +#define FF_PID_USAGE_BLOCK_FREE 0x90UL +#define FF_PID_USAGE_NEW_EFFECT 0xABUL +#define FF_PID_USAGE_POOL_REPORT 0x7FUL |