Input: add force feedback driver for PID devices
This replaces the older PID driver which was never completed. Signed-off-by: Anssi Hannula <anssi.hannula@gmail.com> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
This commit is contained in:
parent
f6a01c8596
commit
224ee88fe3
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@ -60,12 +60,12 @@ config HID_FF
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If unsure, say N.
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config HID_PID
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bool "PID Devices (Microsoft Sidewinder Force Feedback 2)"
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bool "PID device support"
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depends on HID_FF
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help
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Say Y here if you have a PID-compliant joystick and wish to enable force
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feedback for it. The Microsoft Sidewinder Force Feedback 2 is one such
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device.
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Say Y here if you have a PID-compliant device and wish to enable force
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feedback for it. Microsoft Sidewinder Force Feedback 2 is one of such
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devices.
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config LOGITECH_FF
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bool "Logitech WingMan *3D support"
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@ -14,7 +14,7 @@ ifeq ($(CONFIG_USB_HIDINPUT),y)
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usbhid-objs += hid-input.o
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endif
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ifeq ($(CONFIG_HID_PID),y)
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usbhid-objs += pid.o
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usbhid-objs += hid-pidff.o
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endif
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ifeq ($(CONFIG_LOGITECH_FF),y)
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usbhid-objs += hid-lgff.o
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@ -44,45 +44,34 @@ struct hid_ff_initializer {
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int (*init)(struct hid_device*);
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};
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/*
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* We try pidff when no other driver is found because PID is the
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* standards compliant way of implementing force feedback in HID.
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* pidff_init() will quickly abort if the device doesn't appear to
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* be a PID device
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*/
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static struct hid_ff_initializer inits[] = {
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#ifdef CONFIG_LOGITECH_FF
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{0x46d, 0xc211, hid_lgff_init}, // Logitech Cordless rumble pad
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{0x46d, 0xc283, hid_lgff_init}, // Logitech Wingman Force 3d
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{0x46d, 0xc295, hid_lgff_init}, // Logitech MOMO force wheel
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{0x46d, 0xc219, hid_lgff_init}, // Logitech Cordless rumble pad 2
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#endif
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#ifdef CONFIG_HID_PID
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{0x45e, 0x001b, hid_pid_init},
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{ 0x46d, 0xc211, hid_lgff_init }, /* Logitech Cordless rumble pad */
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{ 0x46d, 0xc283, hid_lgff_init }, /* Logitech Wingman Force 3d */
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{ 0x46d, 0xc295, hid_lgff_init }, /* Logitech MOMO force wheel */
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{ 0x46d, 0xc219, hid_lgff_init }, /* Logitech Cordless rumble pad 2 */
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#endif
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#ifdef CONFIG_THRUSTMASTER_FF
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{0x44f, 0xb304, hid_tmff_init},
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{ 0x44f, 0xb304, hid_tmff_init },
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#endif
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{0, 0, NULL} /* Terminating entry */
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{ 0, 0, hid_pidff_init} /* Matches anything */
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};
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static struct hid_ff_initializer *hid_get_ff_init(__u16 idVendor,
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__u16 idProduct)
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{
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struct hid_ff_initializer *init;
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for (init = inits;
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init->idVendor
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&& !(init->idVendor == idVendor
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&& init->idProduct == idProduct);
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init++);
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return init->idVendor? init : NULL;
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}
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int hid_ff_init(struct hid_device* hid)
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{
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struct hid_ff_initializer *init;
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int vendor = le16_to_cpu(hid->dev->descriptor.idVendor);
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int product = le16_to_cpu(hid->dev->descriptor.idProduct);
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init = hid_get_ff_init(le16_to_cpu(hid->dev->descriptor.idVendor),
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le16_to_cpu(hid->dev->descriptor.idProduct));
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for (init = inits; init->idVendor; init++)
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if (init->idVendor == vendor && init->idProduct == product)
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break;
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if (!init) {
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dbg("hid_ff_init could not find initializer");
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return -ENOSYS;
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}
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return init->init(hid);
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}
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@ -65,11 +65,9 @@ static const struct {
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#define map_rel(c) do { usage->code = c; usage->type = EV_REL; bit = input->relbit; max = REL_MAX; } while (0)
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#define map_key(c) do { usage->code = c; usage->type = EV_KEY; bit = input->keybit; max = KEY_MAX; } while (0)
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#define map_led(c) do { usage->code = c; usage->type = EV_LED; bit = input->ledbit; max = LED_MAX; } while (0)
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#define map_ff(c) do { usage->code = c; usage->type = EV_FF; bit = input->ffbit; max = FF_MAX; } while (0)
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#define map_abs_clear(c) do { map_abs(c); clear_bit(c, bit); } while (0)
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#define map_key_clear(c) do { map_key(c); clear_bit(c, bit); } while (0)
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#define map_ff_effect(c) do { set_bit(c, input->ffbit); } while (0)
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#ifdef CONFIG_USB_HIDINPUT_POWERBOOK
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@ -525,23 +523,7 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel
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case HID_UP_PID:
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set_bit(EV_FF, input->evbit);
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switch(usage->hid & HID_USAGE) {
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case 0x26: map_ff_effect(FF_CONSTANT); goto ignore;
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case 0x27: map_ff_effect(FF_RAMP); goto ignore;
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case 0x28: map_ff_effect(FF_CUSTOM); goto ignore;
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case 0x30: map_ff_effect(FF_SQUARE); map_ff_effect(FF_PERIODIC); goto ignore;
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case 0x31: map_ff_effect(FF_SINE); map_ff_effect(FF_PERIODIC); goto ignore;
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case 0x32: map_ff_effect(FF_TRIANGLE); map_ff_effect(FF_PERIODIC); goto ignore;
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case 0x33: map_ff_effect(FF_SAW_UP); map_ff_effect(FF_PERIODIC); goto ignore;
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case 0x34: map_ff_effect(FF_SAW_DOWN); map_ff_effect(FF_PERIODIC); goto ignore;
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case 0x40: map_ff_effect(FF_SPRING); goto ignore;
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case 0x41: map_ff_effect(FF_DAMPER); goto ignore;
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case 0x42: map_ff_effect(FF_INERTIA); goto ignore;
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case 0x43: map_ff_effect(FF_FRICTION); goto ignore;
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case 0x7e: map_ff(FF_GAIN); break;
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case 0x83: input->ff_effects_max = field->value[0]; goto ignore;
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case 0x98: map_ff(FF_AUTOCENTER); break;
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case 0xa4: map_key_clear(BTN_DEAD); break;
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default: goto ignore;
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}
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@ -698,8 +680,7 @@ void hidinput_hid_event(struct hid_device *hid, struct hid_field *field, struct
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}
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if (usage->hid == (HID_UP_PID | 0x83UL)) { /* Simultaneous Effects Max */
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input->ff_effects_max = value;
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dbg("Maximum Effects - %d",input->ff_effects_max);
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dbg("Maximum Effects - %d",value);
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return;
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}
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File diff suppressed because it is too large
Load Diff
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@ -527,14 +527,25 @@ int hid_wait_io(struct hid_device* hid);
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#ifdef CONFIG_HID_FF
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int hid_ff_init(struct hid_device *hid);
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int hid_lgff_init(struct hid_device *hid);
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int hid_tmff_init(struct hid_device *hid);
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#ifdef CONFIG_HID_PID
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int hid_pidff_init(struct hid_device *hid);
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#else
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static inline int hid_pidff_init(struct hid_device *hid) { return -ENODEV; }
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#endif
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#else
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static inline int hid_ff_init(struct hid_device *hid) { return -1; }
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#endif
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static inline void hid_ff_exit(struct hid_device *hid)
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{
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if (hid->ff_exit)
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hid->ff_exit(hid);
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}
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static inline int hid_ff_event(struct hid_device *hid, struct input_dev *input,
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unsigned int type, unsigned int code, int value)
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{
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@ -543,7 +554,3 @@ static inline int hid_ff_event(struct hid_device *hid, struct input_dev *input,
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return -ENOSYS;
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}
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int hid_lgff_init(struct hid_device* hid);
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int hid_tmff_init(struct hid_device* hid);
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int hid_pid_init(struct hid_device* hid);
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@ -1,295 +0,0 @@
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/*
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* PID Force feedback support for hid devices.
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*
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* Copyright (c) 2002 Rodrigo Damazio.
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* Portions by Johann Deneux and Bjorn Augustson
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*/
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/*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* Should you need to contact me, the author, you can do so by
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* e-mail - mail your message to <rdamazio@lsi.usp.br>
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*/
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#include <linux/config.h>
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#include <linux/module.h>
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#include <linux/slab.h>
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/mm.h>
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#include <linux/smp_lock.h>
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#include <linux/spinlock.h>
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#include <linux/input.h>
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#include <linux/usb.h>
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#include "hid.h"
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#include "pid.h"
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#define CHECK_OWNERSHIP(i, hid_pid) \
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((i) < FF_EFFECTS_MAX && i >= 0 && \
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test_bit(FF_PID_FLAGS_USED, &hid_pid->effects[(i)].flags) && \
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(current->pid == 0 || \
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(hid_pid)->effects[(i)].owner == current->pid))
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/* Called when a transfer is completed */
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static void hid_pid_ctrl_out(struct urb *u, struct pt_regs *regs)
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{
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dev_dbg(&u->dev->dev, "hid_pid_ctrl_out - Transfer Completed\n");
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}
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static void hid_pid_exit(struct hid_device *hid)
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{
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struct hid_ff_pid *private = hid->ff_private;
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if (private->urbffout) {
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usb_kill_urb(private->urbffout);
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usb_free_urb(private->urbffout);
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}
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}
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static int pid_upload_periodic(struct hid_ff_pid *pid, struct ff_effect *effect, int is_update)
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{
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dev_info(&pid->hid->dev->dev, "requested periodic force upload\n");
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return 0;
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}
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static int pid_upload_constant(struct hid_ff_pid *pid, struct ff_effect *effect, int is_update)
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{
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dev_info(&pid->hid->dev->dev, "requested constant force upload\n");
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return 0;
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}
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static int pid_upload_condition(struct hid_ff_pid *pid, struct ff_effect *effect, int is_update)
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{
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dev_info(&pid->hid->dev->dev, "requested Condition force upload\n");
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return 0;
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}
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static int pid_upload_ramp(struct hid_ff_pid *pid, struct ff_effect *effect, int is_update)
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{
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dev_info(&pid->hid->dev->dev, "request ramp force upload\n");
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return 0;
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}
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static int hid_pid_event(struct hid_device *hid, struct input_dev *input,
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unsigned int type, unsigned int code, int value)
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{
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dev_dbg(&hid->dev->dev, "PID event received: type=%d,code=%d,value=%d.\n", type, code, value);
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if (type != EV_FF)
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return -1;
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return 0;
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}
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/* Lock must be held by caller */
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static void hid_pid_ctrl_playback(struct hid_device *hid, struct hid_pid_effect *effect, int play)
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{
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if (play)
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set_bit(FF_PID_FLAGS_PLAYING, &effect->flags);
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else
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clear_bit(FF_PID_FLAGS_PLAYING, &effect->flags);
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}
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static int hid_pid_erase(struct input_dev *dev, int id)
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{
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struct hid_device *hid = dev->private;
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struct hid_ff_pid *pid = hid->ff_private;
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struct hid_field *field;
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unsigned long flags;
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int ret;
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if (!CHECK_OWNERSHIP(id, pid))
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return -EACCES;
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/* Find report */
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field = hid_find_field_by_usage(hid, HID_UP_PID | FF_PID_USAGE_BLOCK_FREE,
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HID_OUTPUT_REPORT);
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if (!field) {
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dev_err(&hid->dev->dev, "couldn't find report\n");
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return -EIO;
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}
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ret = hid_set_field(field, 0, pid->effects[id].device_id);
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if (ret) {
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dev_err(&hid->dev->dev, "couldn't set field\n");
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return ret;
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}
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hid_submit_report(hid, field->report, USB_DIR_OUT);
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spin_lock_irqsave(&pid->lock, flags);
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hid_pid_ctrl_playback(hid, pid->effects + id, 0);
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pid->effects[id].flags = 0;
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spin_unlock_irqrestore(&pid->lock, flags);
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return 0;
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}
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/* Erase all effects this process owns */
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static int hid_pid_flush(struct input_dev *dev, struct file *file)
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{
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struct hid_device *hid = dev->private;
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struct hid_ff_pid *pid = hid->ff_private;
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int i;
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/*NOTE: no need to lock here. The only times EFFECT_USED is
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modified is when effects are uploaded or when an effect is
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erased. But a process cannot close its dev/input/eventX fd
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and perform ioctls on the same fd all at the same time */
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/*FIXME: multiple threads, anyone? */
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for (i = 0; i < dev->ff_effects_max; ++i)
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if (current->pid == pid->effects[i].owner
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&& test_bit(FF_PID_FLAGS_USED, &pid->effects[i].flags))
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if (hid_pid_erase(dev, i))
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dev_warn(&hid->dev->dev, "erase effect %d failed", i);
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return 0;
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}
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static int hid_pid_upload_effect(struct input_dev *dev,
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struct ff_effect *effect)
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{
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struct hid_ff_pid *pid_private = (struct hid_ff_pid *)(dev->private);
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int ret;
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int is_update;
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unsigned long flags;
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dev_dbg(&pid_private->hid->dev->dev, "upload effect called: effect_type=%x\n", effect->type);
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/* Check this effect type is supported by this device */
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if (!test_bit(effect->type, dev->ffbit)) {
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dev_dbg(&pid_private->hid->dev->dev,
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"invalid kind of effect requested.\n");
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return -EINVAL;
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}
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/*
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* If we want to create a new effect, get a free id
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*/
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if (effect->id == -1) {
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int id = 0;
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// Spinlock so we don`t get a race condition when choosing IDs
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spin_lock_irqsave(&pid_private->lock, flags);
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while (id < FF_EFFECTS_MAX)
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if (!test_and_set_bit(FF_PID_FLAGS_USED, &pid_private->effects[id++].flags))
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break;
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if (id == FF_EFFECTS_MAX) {
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spin_unlock_irqrestore(&pid_private->lock, flags);
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// TEMP - We need to get ff_effects_max correctly first: || id >= dev->ff_effects_max) {
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dev_dbg(&pid_private->hid->dev->dev, "Not enough device memory\n");
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return -ENOMEM;
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}
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effect->id = id;
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dev_dbg(&pid_private->hid->dev->dev, "effect ID is %d.\n", id);
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pid_private->effects[id].owner = current->pid;
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pid_private->effects[id].flags = (1 << FF_PID_FLAGS_USED);
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spin_unlock_irqrestore(&pid_private->lock, flags);
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is_update = FF_PID_FALSE;
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} else {
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/* We want to update an effect */
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if (!CHECK_OWNERSHIP(effect->id, pid_private))
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return -EACCES;
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/* Parameter type cannot be updated */
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if (effect->type != pid_private->effects[effect->id].effect.type)
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return -EINVAL;
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/* Check the effect is not already being updated */
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if (test_bit(FF_PID_FLAGS_UPDATING, &pid_private->effects[effect->id].flags))
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return -EAGAIN;
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is_update = FF_PID_TRUE;
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}
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/*
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* Upload the effect
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*/
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switch (effect->type) {
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case FF_PERIODIC:
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ret = pid_upload_periodic(pid_private, effect, is_update);
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break;
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case FF_CONSTANT:
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ret = pid_upload_constant(pid_private, effect, is_update);
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break;
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case FF_SPRING:
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case FF_FRICTION:
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case FF_DAMPER:
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case FF_INERTIA:
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ret = pid_upload_condition(pid_private, effect, is_update);
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break;
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case FF_RAMP:
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ret = pid_upload_ramp(pid_private, effect, is_update);
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break;
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default:
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dev_dbg(&pid_private->hid->dev->dev,
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"invalid type of effect requested - %x.\n",
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effect->type);
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return -EINVAL;
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}
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/* If a packet was sent, forbid new updates until we are notified
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* that the packet was updated
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*/
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if (ret == 0)
|
||||
set_bit(FF_PID_FLAGS_UPDATING, &pid_private->effects[effect->id].flags);
|
||||
pid_private->effects[effect->id].effect = *effect;
|
||||
return ret;
|
||||
}
|
||||
|
||||
int hid_pid_init(struct hid_device *hid)
|
||||
{
|
||||
struct hid_ff_pid *private;
|
||||
struct hid_input *hidinput = list_entry(hid->inputs.next, struct hid_input, list);
|
||||
struct input_dev *input_dev = hidinput->input;
|
||||
|
||||
private = hid->ff_private = kzalloc(sizeof(struct hid_ff_pid), GFP_KERNEL);
|
||||
if (!private)
|
||||
return -ENOMEM;
|
||||
|
||||
private->hid = hid;
|
||||
|
||||
hid->ff_exit = hid_pid_exit;
|
||||
hid->ff_event = hid_pid_event;
|
||||
|
||||
/* Open output URB */
|
||||
if (!(private->urbffout = usb_alloc_urb(0, GFP_KERNEL))) {
|
||||
kfree(private);
|
||||
return -1;
|
||||
}
|
||||
|
||||
usb_fill_control_urb(private->urbffout, hid->dev, 0,
|
||||
(void *)&private->ffcr, private->ctrl_buffer, 8,
|
||||
hid_pid_ctrl_out, hid);
|
||||
|
||||
input_dev->upload_effect = hid_pid_upload_effect;
|
||||
input_dev->flush = hid_pid_flush;
|
||||
input_dev->ff_effects_max = 8; // A random default
|
||||
set_bit(EV_FF, input_dev->evbit);
|
||||
set_bit(EV_FF_STATUS, input_dev->evbit);
|
||||
|
||||
spin_lock_init(&private->lock);
|
||||
|
||||
printk(KERN_INFO "Force feedback driver for PID devices by Rodrigo Damazio <rdamazio@lsi.usp.br>.\n");
|
||||
|
||||
return 0;
|
||||
}
|
|
@ -1,62 +0,0 @@
|
|||
/*
|
||||
* 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
|
Loading…
Reference in New Issue