| /* | |
| * 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 |