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Diffstat (limited to 'drivers/usb/input/pid.h')
-rw-r--r--drivers/usb/input/pid.h62
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