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authorAnssi Hannula <anssi.hannula@gmail.com>2006-07-19 01:44:17 -0400
committerDmitry Torokhov <dtor@insightbb.com>2006-07-19 01:44:17 -0400
commitbb3caf7f438a67452f5cf4773ca1bf82260bbbad (patch)
tree01bcea151929eea5e58bb1591de80eac9be5d617 /drivers/usb
parent1f734cb461e1f029d751deb15c8d9f8137fb2ca7 (diff)
Input: add force feedback driver for PSX-style Zeroplus devices
Signed-off-by: Anssi Hannula <anssi.hannula@gmail.com> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Diffstat (limited to 'drivers/usb')
-rw-r--r--drivers/usb/input/Kconfig8
-rw-r--r--drivers/usb/input/Makefile3
-rw-r--r--drivers/usb/input/hid-ff.c4
-rw-r--r--drivers/usb/input/hid-zpff.c110
-rw-r--r--drivers/usb/input/hid.h1
5 files changed, 126 insertions, 0 deletions
diff --git a/drivers/usb/input/Kconfig b/drivers/usb/input/Kconfig
index 3ca64c3cada..7ec35c90d2d 100644
--- a/drivers/usb/input/Kconfig
+++ b/drivers/usb/input/Kconfig
@@ -89,6 +89,14 @@ config THRUSTMASTER_FF
Note: if you say N here, this device will still be supported, but without
force feedback.
+config ZEROPLUS_FF
+ bool "Zeroplus based game controller support"
+ depends on HID_FF
+ select INPUT_FF_MEMLESS if USB_HID
+ help
+ Say Y here if you have a Zeroplus based game controller and want to
+ enable force feedback for it.
+
config USB_HIDDEV
bool "/dev/hiddev raw HID device support"
depends on USB_HID
diff --git a/drivers/usb/input/Makefile b/drivers/usb/input/Makefile
index 84e72dcfc92..affb6a36d24 100644
--- a/drivers/usb/input/Makefile
+++ b/drivers/usb/input/Makefile
@@ -22,6 +22,9 @@ endif
ifeq ($(CONFIG_THRUSTMASTER_FF),y)
usbhid-objs += hid-tmff.o
endif
+ifeq ($(CONFIG_ZEROPLUS_FF),y)
+ usbhid-objs += hid-zpff.o
+endif
ifeq ($(CONFIG_HID_FF),y)
usbhid-objs += hid-ff.o
endif
diff --git a/drivers/usb/input/hid-ff.c b/drivers/usb/input/hid-ff.c
index 1b488220214..a8fc46c721c 100644
--- a/drivers/usb/input/hid-ff.c
+++ b/drivers/usb/input/hid-ff.c
@@ -60,6 +60,10 @@ static struct hid_ff_initializer inits[] = {
#ifdef CONFIG_THRUSTMASTER_FF
{ 0x44f, 0xb304, hid_tmff_init },
#endif
+#ifdef CONFIG_ZEROPLUS_FF
+ { 0xc12, 0x0005, hid_zpff_init },
+ { 0xc12, 0x0030, hid_zpff_init },
+#endif
{ 0, 0, hid_pidff_init} /* Matches anything */
};
diff --git a/drivers/usb/input/hid-zpff.c b/drivers/usb/input/hid-zpff.c
new file mode 100644
index 00000000000..d2ce3214572
--- /dev/null
+++ b/drivers/usb/input/hid-zpff.c
@@ -0,0 +1,110 @@
+/*
+ * Force feedback support for Zeroplus based devices
+ *
+ * Copyright (c) 2005, 2006 Anssi Hannula <anssi.hannula@gmail.com>
+ */
+
+/*
+ * 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
+ */
+
+
+/* #define DEBUG */
+
+#define debug(format, arg...) pr_debug("hid-zpff: " format "\n" , ## arg)
+
+#include <linux/input.h>
+#include <linux/usb.h>
+#include "hid.h"
+
+struct zpff_device {
+ struct hid_report *report;
+};
+
+static int hid_zpff_play(struct input_dev *dev, void *data,
+ struct ff_effect *effect)
+{
+ struct hid_device *hid = dev->private;
+ struct zpff_device *zpff = data;
+ int left, right;
+
+ /*
+ * The following is specified the other way around in the Zeroplus
+ * datasheet but the order below is correct for the XFX Executioner;
+ * however it is possible that the XFX Executioner is an exception
+ */
+
+ left = effect->u.rumble.strong_magnitude;
+ right = effect->u.rumble.weak_magnitude;
+ debug("called with 0x%04x 0x%04x", left, right);
+
+ left = left * 0x7f / 0xffff;
+ right = right * 0x7f / 0xffff;
+
+ zpff->report->field[2]->value[0] = left;
+ zpff->report->field[3]->value[0] = right;
+ debug("running with 0x%02x 0x%02x", left, right);
+ hid_submit_report(hid, zpff->report, USB_DIR_OUT);
+
+ return 0;
+}
+
+int hid_zpff_init(struct hid_device *hid)
+{
+ struct zpff_device *zpff;
+ struct hid_report *report;
+ struct hid_input *hidinput = list_entry(hid->inputs.next,
+ struct hid_input, list);
+ struct list_head *report_list =
+ &hid->report_enum[HID_OUTPUT_REPORT].report_list;
+ struct input_dev *dev = hidinput->input;
+ int error;
+
+ if (list_empty(report_list)) {
+ printk(KERN_ERR "hid-zpff: no output report found\n");
+ return -ENODEV;
+ }
+
+ report = list_entry(report_list->next, struct hid_report, list);
+
+ if (report->maxfield < 4) {
+ printk(KERN_ERR "hid-zpff: not enough fields in report\n");
+ return -ENODEV;
+ }
+
+ zpff = kzalloc(sizeof(struct zpff_device), GFP_KERNEL);
+ if (!zpff)
+ return -ENOMEM;
+
+ set_bit(FF_RUMBLE, dev->ffbit);
+
+ error = input_ff_create_memless(dev, zpff, hid_zpff_play);
+ if (error) {
+ kfree(zpff);
+ return error;
+ }
+
+ zpff->report = report;
+ zpff->report->field[0]->value[0] = 0x00;
+ zpff->report->field[1]->value[0] = 0x02;
+ zpff->report->field[2]->value[0] = 0x00;
+ zpff->report->field[3]->value[0] = 0x00;
+ hid_submit_report(hid, zpff->report, USB_DIR_OUT);
+
+ printk(KERN_INFO "Force feedback for Zeroplus based devices by "
+ "Anssi Hannula <anssi.hannula@gmail.com>\n");
+
+ return 0;
+}
diff --git a/drivers/usb/input/hid.h b/drivers/usb/input/hid.h
index 6d88c0c0b90..3dae8a949de 100644
--- a/drivers/usb/input/hid.h
+++ b/drivers/usb/input/hid.h
@@ -525,6 +525,7 @@ int hid_ff_init(struct hid_device *hid);
int hid_lgff_init(struct hid_device *hid);
int hid_tmff_init(struct hid_device *hid);
+int hid_zpff_init(struct hid_device *hid);
#ifdef CONFIG_HID_PID
int hid_pidff_init(struct hid_device *hid);
#else