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Commit 224ee88f authored by Anssi Hannula's avatar Anssi Hannula Committed by Dmitry Torokhov
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Input: add force feedback driver for PID devices 



This replaces the older PID driver which was never completed.

Signed-off-by: default avatarAnssi Hannula <anssi.hannula@gmail.com>
Signed-off-by: default avatarDmitry Torokhov <dtor@mail.ru>
parent f6a01c85

drivers/usb/input/Kconfig

+4 −4
Original line number Diff line number Diff line
@@ -60,12 +60,12 @@ config HID_FF 
	  If unsure, say N.



config HID_PID

	bool "PID Devices (Microsoft Sidewinder Force Feedback 2)"

	bool "PID device support"

	depends on HID_FF

	help

	  Say Y here if you have a PID-compliant joystick and wish to enable force

	  feedback for it. The Microsoft Sidewinder Force Feedback 2 is one such

	  device.

	  Say Y here if you have a PID-compliant device and wish to enable force

	  feedback for it. Microsoft Sidewinder Force Feedback 2 is one of such

	  devices.



config LOGITECH_FF

	bool "Logitech WingMan *3D support"

drivers/usb/input/Makefile

+1 −1
Original line number Diff line number Diff line
@@ -14,7 +14,7 @@ ifeq ($(CONFIG_USB_HIDINPUT),y) 
	usbhid-objs	+= hid-input.o

endif

ifeq ($(CONFIG_HID_PID),y)

	usbhid-objs	+= pid.o

	usbhid-objs	+= hid-pidff.o

endif

ifeq ($(CONFIG_LOGITECH_FF),y)

	usbhid-objs	+= hid-lgff.o

drivers/usb/input/hid-ff.c

+17 −28
Original line number Diff line number Diff line
@@ -44,45 +44,34 @@ struct hid_ff_initializer { 
	int (*init)(struct hid_device*);

};



/*

 * We try pidff when no other driver is found because PID is the

 * standards compliant way of implementing force feedback in HID.

 * pidff_init() will quickly abort if the device doesn't appear to

 * be a PID device

 */

static struct hid_ff_initializer inits[] = {

#ifdef CONFIG_LOGITECH_FF

	{0x46d, 0xc211, hid_lgff_init}, // Logitech Cordless rumble pad

	{0x46d, 0xc283, hid_lgff_init}, // Logitech Wingman Force 3d

	{0x46d, 0xc295, hid_lgff_init},	// Logitech MOMO force wheel

	{0x46d, 0xc219, hid_lgff_init}, // Logitech Cordless rumble pad 2

#endif

#ifdef CONFIG_HID_PID

	{0x45e, 0x001b, hid_pid_init},

	{ 0x46d, 0xc211, hid_lgff_init }, /* Logitech Cordless rumble pad */

	{ 0x46d, 0xc283, hid_lgff_init }, /* Logitech Wingman Force 3d */

	{ 0x46d, 0xc295, hid_lgff_init }, /* Logitech MOMO force wheel */

	{ 0x46d, 0xc219, hid_lgff_init }, /* Logitech Cordless rumble pad 2 */

#endif

#ifdef CONFIG_THRUSTMASTER_FF

	{ 0x44f, 0xb304, hid_tmff_init },

#endif

	{0, 0, NULL} /* Terminating entry */

	{ 0,	 0,	 hid_pidff_init}  /* Matches anything */

};



static struct hid_ff_initializer *hid_get_ff_init(__u16 idVendor,

						  __u16 idProduct)

{

	struct hid_ff_initializer *init;

	for (init = inits;

	     init->idVendor

	     && !(init->idVendor == idVendor

		  && init->idProduct == idProduct);

	     init++);



	return init->idVendor? init : NULL;

}



int hid_ff_init(struct hid_device* hid)

{

	struct hid_ff_initializer *init;

	int vendor = le16_to_cpu(hid->dev->descriptor.idVendor);

	int product = le16_to_cpu(hid->dev->descriptor.idProduct);



	init = hid_get_ff_init(le16_to_cpu(hid->dev->descriptor.idVendor),

			       le16_to_cpu(hid->dev->descriptor.idProduct));

	for (init = inits; init->idVendor; init++)

		if (init->idVendor == vendor && init->idProduct == product)

			break;



	if (!init) {

		dbg("hid_ff_init could not find initializer");

		return -ENOSYS;

	}

	return init->init(hid);

}

drivers/usb/input/hid-input.c

+1 −20
Original line number Diff line number Diff line
@@ -65,11 +65,9 @@ static const struct { 
#define map_rel(c)	do { usage->code = c; usage->type = EV_REL; bit = input->relbit; max = REL_MAX; } while (0)

#define map_key(c)	do { usage->code = c; usage->type = EV_KEY; bit = input->keybit; max = KEY_MAX; } while (0)

#define map_led(c)	do { usage->code = c; usage->type = EV_LED; bit = input->ledbit; max = LED_MAX; } while (0)

#define map_ff(c)	do { usage->code = c; usage->type = EV_FF;  bit = input->ffbit;  max =  FF_MAX; } while (0)



#define map_abs_clear(c)	do { map_abs(c); clear_bit(c, bit); } while (0)

#define map_key_clear(c)	do { map_key(c); clear_bit(c, bit); } while (0)

#define map_ff_effect(c)	do { set_bit(c, input->ffbit); } while (0)



#ifdef CONFIG_USB_HIDINPUT_POWERBOOK
@@ -525,23 +523,7 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel 


		case HID_UP_PID:



			set_bit(EV_FF, input->evbit);

			switch(usage->hid & HID_USAGE) {

				case 0x26: map_ff_effect(FF_CONSTANT);	goto ignore;

				case 0x27: map_ff_effect(FF_RAMP);	goto ignore;

				case 0x28: map_ff_effect(FF_CUSTOM);	goto ignore;

				case 0x30: map_ff_effect(FF_SQUARE);	map_ff_effect(FF_PERIODIC); goto ignore;

				case 0x31: map_ff_effect(FF_SINE);	map_ff_effect(FF_PERIODIC); goto ignore;

				case 0x32: map_ff_effect(FF_TRIANGLE);	map_ff_effect(FF_PERIODIC); goto ignore;

				case 0x33: map_ff_effect(FF_SAW_UP);	map_ff_effect(FF_PERIODIC); goto ignore;

				case 0x34: map_ff_effect(FF_SAW_DOWN);	map_ff_effect(FF_PERIODIC); goto ignore;

				case 0x40: map_ff_effect(FF_SPRING);	goto ignore;

				case 0x41: map_ff_effect(FF_DAMPER);	goto ignore;

				case 0x42: map_ff_effect(FF_INERTIA);	goto ignore;

				case 0x43: map_ff_effect(FF_FRICTION);	goto ignore;

				case 0x7e: map_ff(FF_GAIN);		break;

				case 0x83: input->ff_effects_max = field->value[0]; goto ignore;

				case 0x98: map_ff(FF_AUTOCENTER);	break;

				case 0xa4: map_key_clear(BTN_DEAD);	break;

				default: goto ignore;

			}
@@ -698,8 +680,7 @@ void hidinput_hid_event(struct hid_device *hid, struct hid_field *field, struct 
	}



	if (usage->hid == (HID_UP_PID | 0x83UL)) { /* Simultaneous Effects Max */

		input->ff_effects_max = value;

		dbg("Maximum Effects - %d",input->ff_effects_max);

		dbg("Maximum Effects - %d",value);

		return;

	}

drivers/usb/input/hid-pidff.c

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