X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Finput%2Fjoystick%2Fiforce%2Fiforce-main.c;h=3393a37fec399593ad4dd0f264e401157f80300d;hb=97bf2856c6014879bd04983a3e9dfcdac1e7fe85;hp=c53e61acb9bc1234f369a83ca03bc788d2f4ed45;hpb=5273a3df6485dc2ad6aa7ddd441b9a21970f003b;p=linux-2.6.git

diff --git a/drivers/input/joystick/iforce/iforce-main.c b/drivers/input/joystick/iforce/iforce-main.c
index c53e61acb..3393a37fe 100644
--- a/drivers/input/joystick/iforce/iforce-main.c
+++ b/drivers/input/joystick/iforce/iforce-main.c
@@ -78,105 +78,62 @@ static struct iforce_device iforce_device[] = {
 	{ 0x061c, 0xc0a4, "ACT LABS Force RS",                          btn_wheel, abs_wheel, ff_iforce }, //?
 	{ 0x06f8, 0x0001, "Guillemot Race Leader Force Feedback",	btn_wheel, abs_wheel, ff_iforce }, //?
 	{ 0x06f8, 0x0004, "Guillemot Force Feedback Racing Wheel",	btn_wheel, abs_wheel, ff_iforce }, //?
+	{ 0x06f8, 0x0004, "Gullemot Jet Leader 3D",			btn_joystick, abs_joystick, ff_iforce }, //?
+	{ 0x06d6, 0x29bc, "Trust Force Feedback Race Master",		btn_wheel, abs_wheel, ff_iforce },
 	{ 0x0000, 0x0000, "Unknown I-Force Device [%04x:%04x]",		btn_joystick, abs_joystick, ff_iforce }
 };
 
-
-
-static int iforce_input_event(struct input_dev *dev, unsigned int type, unsigned int code, int value)
+static int iforce_playback(struct input_dev *dev, int effect_id, int value)
 {
-	struct iforce* iforce = (struct iforce*)(dev->private);
-	unsigned char data[3];
-
-	if (type != EV_FF)
-		return -1;
-
-	switch (code) {
-
-		case FF_GAIN:
+	struct iforce* iforce = dev->private;
+	struct iforce_core_effect *core_effect = &iforce->core_effects[effect_id];
 
-			data[0] = value >> 9;
-			iforce_send_packet(iforce, FF_CMD_GAIN, data);
-
-			return 0;
-
-		case FF_AUTOCENTER:
-
-			data[0] = 0x03;
-			data[1] = value >> 9;
-			iforce_send_packet(iforce, FF_CMD_AUTOCENTER, data);
+	if (value > 0)
+		set_bit(FF_CORE_SHOULD_PLAY, core_effect->flags);
+	else
+		clear_bit(FF_CORE_SHOULD_PLAY, core_effect->flags);
 
-			data[0] = 0x04;
-			data[1] = 0x01;
-			iforce_send_packet(iforce, FF_CMD_AUTOCENTER, data);
+	iforce_control_playback(iforce, effect_id, value);
+	return 0;
+}
 
-			return 0;
+static void iforce_set_gain(struct input_dev *dev, u16 gain)
+{
+	struct iforce* iforce = dev->private;
+	unsigned char data[3];
 
-		default: /* Play or stop an effect */
+	data[0] = gain >> 9;
+	iforce_send_packet(iforce, FF_CMD_GAIN, data);
+}
 
-			if (!CHECK_OWNERSHIP(code, iforce)) {
-				return -1;
-			}
-			if (value > 0) {
-				set_bit(FF_CORE_SHOULD_PLAY, iforce->core_effects[code].flags);
-			}
-			else {
-				clear_bit(FF_CORE_SHOULD_PLAY, iforce->core_effects[code].flags);
-			}
+static void iforce_set_autocenter(struct input_dev *dev, u16 magnitude)
+{
+	struct iforce* iforce = dev->private;
+	unsigned char data[3];
 
-			iforce_control_playback(iforce, code, value);
-			return 0;
-	}
+	data[0] = 0x03;
+	data[1] = magnitude >> 9;
+	iforce_send_packet(iforce, FF_CMD_AUTOCENTER, data);
 
-	return -1;
+	data[0] = 0x04;
+	data[1] = 0x01;
+	iforce_send_packet(iforce, FF_CMD_AUTOCENTER, data);
 }
 
 /*
  * Function called when an ioctl is performed on the event dev entry.
  * It uploads an effect to the device
  */
-static int iforce_upload_effect(struct input_dev *dev, struct ff_effect *effect)
+static int iforce_upload_effect(struct input_dev *dev, struct ff_effect *effect, struct ff_effect *old)
 {
-	struct iforce* iforce = (struct iforce*)(dev->private);
-	int id;
+	struct iforce* iforce = dev->private;
+	struct iforce_core_effect *core_effect = &iforce->core_effects[effect->id];
 	int ret;
-	int is_update;
-
-/* Check this effect type is supported by this device */
-	if (!test_bit(effect->type, iforce->dev.ffbit))
-		return -EINVAL;
-
-/*
- * If we want to create a new effect, get a free id
- */
-	if (effect->id == -1) {
-
-		for (id=0; id < FF_EFFECTS_MAX; ++id)
-			if (!test_and_set_bit(FF_CORE_IS_USED, iforce->core_effects[id].flags)) break;
-
-		if ( id == FF_EFFECTS_MAX || id >= iforce->dev.ff_effects_max)
-			return -ENOMEM;
-
-		effect->id = id;
-		iforce->core_effects[id].owner = current->pid;
-		iforce->core_effects[id].flags[0] = (1<<FF_CORE_IS_USED);	/* Only IS_USED bit must be set */
-
-		is_update = FALSE;
-	}
-	else {
-		/* We want to update an effect */
-		if (!CHECK_OWNERSHIP(effect->id, iforce)) return -EACCES;
-		
-		/* Parameter type cannot be updated */
-		if (effect->type != iforce->core_effects[effect->id].effect.type)
-			return -EINVAL;
 
+	if (__test_and_set_bit(FF_CORE_IS_USED, core_effect->flags)) {
 		/* Check the effect is not already being updated */
-		if (test_bit(FF_CORE_UPDATE, iforce->core_effects[effect->id].flags)) {
+		if (test_bit(FF_CORE_UPDATE, core_effect->flags))
 			return -EAGAIN;
-		}
-
-		is_update = TRUE;
 	}
 
 /*
@@ -185,28 +142,28 @@ static int iforce_upload_effect(struct input_dev *dev, struct ff_effect *effect)
 	switch (effect->type) {
 
 		case FF_PERIODIC:
-			ret = iforce_upload_periodic(iforce, effect, is_update);
+			ret = iforce_upload_periodic(iforce, effect, old);
 			break;
 
 		case FF_CONSTANT:
-			ret = iforce_upload_constant(iforce, effect, is_update);
+			ret = iforce_upload_constant(iforce, effect, old);
 			break;
 
 		case FF_SPRING:
 		case FF_DAMPER:
-			ret = iforce_upload_condition(iforce, effect, is_update);
+			ret = iforce_upload_condition(iforce, effect, old);
 			break;
 
 		default:
 			return -EINVAL;
 	}
+
 	if (ret == 0) {
 		/* A packet was sent, forbid new updates until we are notified
 		 * that the packet was updated
 		 */
-		set_bit(FF_CORE_UPDATE, iforce->core_effects[effect->id].flags);
+		set_bit(FF_CORE_UPDATE, core_effect->flags);
 	}
-	iforce->core_effects[effect->id].effect = *effect;
 	return ret;
 }
 
@@ -216,28 +173,17 @@ static int iforce_upload_effect(struct input_dev *dev, struct ff_effect *effect)
  */
 static int iforce_erase_effect(struct input_dev *dev, int effect_id)
 {
-	struct iforce* iforce = (struct iforce*)(dev->private);
+	struct iforce *iforce = dev->private;
+	struct iforce_core_effect *core_effect = &iforce->core_effects[effect_id];
 	int err = 0;
-	struct iforce_core_effect* core_effect;
-
-	/* Check who is trying to erase this effect */
-	if (iforce->core_effects[effect_id].owner != current->pid) {
-		printk(KERN_WARNING "iforce-main.c: %d tried to erase an effect belonging to %d\n", current->pid, iforce->core_effects[effect_id].owner);
-		return -EACCES;
-	}
-
-	if (effect_id < 0 || effect_id >= FF_EFFECTS_MAX)
-		return -EINVAL;
-
-	core_effect = iforce->core_effects + effect_id;
 
 	if (test_bit(FF_MOD1_IS_USED, core_effect->flags))
-		err = release_resource(&(iforce->core_effects[effect_id].mod1_chunk));
+		err = release_resource(&core_effect->mod1_chunk);
 
 	if (!err && test_bit(FF_MOD2_IS_USED, core_effect->flags))
-		err = release_resource(&(iforce->core_effects[effect_id].mod2_chunk));
+		err = release_resource(&core_effect->mod2_chunk);
 
-	/*TODO: remember to change that if more FF_MOD* bits are added */
+	/* TODO: remember to change that if more FF_MOD* bits are added */
 	core_effect->flags[0] = 0;
 
 	return err;
@@ -257,52 +203,31 @@ static int iforce_open(struct input_dev *dev)
 #endif
 	}
 
-	/* Enable force feedback */
-	iforce_send_packet(iforce, FF_CMD_ENABLE, "\004");
+	if (test_bit(EV_FF, dev->evbit)) {
+		/* Enable force feedback */
+		iforce_send_packet(iforce, FF_CMD_ENABLE, "\004");
+	}
 
 	return 0;
 }
 
-static int iforce_flush(struct input_dev *dev, struct file *file)
+static void iforce_release(struct input_dev *dev)
 {
 	struct iforce *iforce = dev->private;
 	int i;
 
-	/* Erase all effects this process owns */
-	for (i=0; i<dev->ff_effects_max; ++i) {
-
-		if (test_bit(FF_CORE_IS_USED, iforce->core_effects[i].flags) &&
-			current->pid == iforce->core_effects[i].owner) {
-			
-			/* Stop effect */
-			input_report_ff(dev, i, 0);
-
-			/* Free ressources assigned to effect */
-			if (iforce_erase_effect(dev, i)) {
-				printk(KERN_WARNING "iforce_flush: erase effect %d failed\n", i);
+	if (test_bit(EV_FF, dev->evbit)) {
+		/* Check: no effects should be present in memory */
+		for (i = 0; i < dev->ff->max_effects; i++) {
+			if (test_bit(FF_CORE_IS_USED, iforce->core_effects[i].flags)) {
+				printk(KERN_WARNING "iforce_release: Device still owns effects\n");
+				break;
 			}
 		}
 
+		/* Disable force feedback playback */
+		iforce_send_packet(iforce, FF_CMD_ENABLE, "\001");
 	}
-	return 0;
-}
-
-static void iforce_release(struct input_dev *dev)
-{
-	struct iforce *iforce = dev->private;
-	int i;
-
-	/* Check: no effect should be present in memory */
-	for (i=0; i<dev->ff_effects_max; ++i) {
-		if (test_bit(FF_CORE_IS_USED, iforce->core_effects[i].flags))
-			break;
-	}
-	if (i<dev->ff_effects_max) {
-		printk(KERN_WARNING "iforce_release: Device still owns effects\n");
-	}
-
-	/* Disable force feedback playback */
-	iforce_send_packet(iforce, FF_CMD_ENABLE, "\001");
 
 	switch (iforce->bus) {
 #ifdef CONFIG_JOYSTICK_IFORCE_USB
@@ -338,29 +263,45 @@ void iforce_delete_device(struct iforce *iforce)
 
 int iforce_init_device(struct iforce *iforce)
 {
+	struct input_dev *input_dev;
+	struct ff_device *ff;
 	unsigned char c[] = "CEOV";
-	int i;
+	int i, error;
+	int ff_effects = 0;
+
+	input_dev = input_allocate_device();
+	if (!input_dev)
+		return -ENOMEM;
 
 	init_waitqueue_head(&iforce->wait);
 	spin_lock_init(&iforce->xmit_lock);
-	init_MUTEX(&iforce->mem_mutex);
+	mutex_init(&iforce->mem_mutex);
 	iforce->xmit.buf = iforce->xmit_data;
-
-	iforce->dev.ff_effects_max = 10;
+	iforce->dev = input_dev;
 
 /*
  * Input device fields.
  */
 
-	iforce->dev.id.bustype = BUS_USB;
-	iforce->dev.private = iforce;
-	iforce->dev.name = "Unknown I-Force device";
-	iforce->dev.open = iforce_open;
-	iforce->dev.close = iforce_release;
-	iforce->dev.flush = iforce_flush;
-	iforce->dev.event = iforce_input_event;
-	iforce->dev.upload_effect = iforce_upload_effect;
-	iforce->dev.erase_effect = iforce_erase_effect;
+	switch (iforce->bus) {
+#ifdef CONFIG_JOYSTICK_IFORCE_USB
+	case IFORCE_USB:
+		input_dev->id.bustype = BUS_USB;
+		input_dev->cdev.dev = &iforce->usbdev->dev;
+		break;
+#endif
+#ifdef CONFIG_JOYSTICK_IFORCE_232
+	case IFORCE_232:
+		input_dev->id.bustype = BUS_RS232;
+		input_dev->cdev.dev = &iforce->serio->dev;
+		break;
+#endif
+	}
+
+	input_dev->private = iforce;
+	input_dev->name = "Unknown I-Force device";
+	input_dev->open = iforce_open;
+	input_dev->close = iforce_release;
 
 /*
  * On-device memory allocation.
@@ -384,7 +325,8 @@ int iforce_init_device(struct iforce *iforce)
 
 	if (i == 20) { /* 5 seconds */
 		printk(KERN_ERR "iforce-main.c: Timeout waiting for response from device.\n");
-		return -1;
+		error = -ENODEV;
+		goto fail;
 	}
 
 /*
@@ -392,12 +334,12 @@ int iforce_init_device(struct iforce *iforce)
  */
 
 	if (!iforce_get_id_packet(iforce, "M"))
-		iforce->dev.id.vendor = (iforce->edata[2] << 8) | iforce->edata[1];
+		input_dev->id.vendor = (iforce->edata[2] << 8) | iforce->edata[1];
 	else
 		printk(KERN_WARNING "iforce-main.c: Device does not respond to id packet M\n");
 
 	if (!iforce_get_id_packet(iforce, "P"))
-		iforce->dev.id.product = (iforce->edata[2] << 8) | iforce->edata[1];
+		input_dev->id.product = (iforce->edata[2] << 8) | iforce->edata[1];
 	else
 		printk(KERN_WARNING "iforce-main.c: Device does not respond to id packet P\n");
 
@@ -407,15 +349,15 @@ int iforce_init_device(struct iforce *iforce)
 		printk(KERN_WARNING "iforce-main.c: Device does not respond to id packet B\n");
 
 	if (!iforce_get_id_packet(iforce, "N"))
-		iforce->dev.ff_effects_max = iforce->edata[1];
+		ff_effects = iforce->edata[1];
 	else
 		printk(KERN_WARNING "iforce-main.c: Device does not respond to id packet N\n");
 
 	/* Check if the device can store more effects than the driver can really handle */
-	if (iforce->dev.ff_effects_max > FF_EFFECTS_MAX) {
-		printk(KERN_WARNING "input??: Device can handle %d effects, but N_EFFECTS_MAX is set to %d in iforce.h\n",
-			iforce->dev.ff_effects_max, FF_EFFECTS_MAX);
-		iforce->dev.ff_effects_max = FF_EFFECTS_MAX;
+	if (ff_effects > IFORCE_EFFECTS_MAX) {
+		printk(KERN_WARNING "iforce: Limiting number of effects to %d (device reports %d)\n",
+		       IFORCE_EFFECTS_MAX, ff_effects);
+		ff_effects = IFORCE_EFFECTS_MAX;
 	}
 
 /*
@@ -438,29 +380,26 @@ int iforce_init_device(struct iforce *iforce)
  */
 
 	for (i = 0; iforce_device[i].idvendor; i++)
-		if (iforce_device[i].idvendor == iforce->dev.id.vendor &&
-		    iforce_device[i].idproduct == iforce->dev.id.product)
+		if (iforce_device[i].idvendor == input_dev->id.vendor &&
+		    iforce_device[i].idproduct == input_dev->id.product)
 			break;
 
 	iforce->type = iforce_device + i;
-	iforce->dev.name = iforce->type->name;
+	input_dev->name = iforce->type->name;
 
 /*
  * Set input device bitfields and ranges.
  */
 
-	iforce->dev.evbit[0] = BIT(EV_KEY) | BIT(EV_ABS) | BIT(EV_FF) | BIT(EV_FF_STATUS);
+	input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_ABS) | BIT(EV_FF_STATUS);
 
-	for (i = 0; iforce->type->btn[i] >= 0; i++) {
-		signed short t = iforce->type->btn[i];
-		set_bit(t, iforce->dev.keybit);
-	}
-	set_bit(BTN_DEAD, iforce->dev.keybit);
+	for (i = 0; iforce->type->btn[i] >= 0; i++)
+		set_bit(iforce->type->btn[i], input_dev->keybit);
+	set_bit(BTN_DEAD, input_dev->keybit);
 
 	for (i = 0; iforce->type->abs[i] >= 0; i++) {
 
 		signed short t = iforce->type->abs[i];
-		set_bit(t, iforce->dev.absbit);
 
 		switch (t) {
 
@@ -468,65 +407,81 @@ int iforce_init_device(struct iforce *iforce)
 			case ABS_Y:
 			case ABS_WHEEL:
 
-				iforce->dev.absmax[t] =  1920;
-				iforce->dev.absmin[t] = -1920;
-				iforce->dev.absflat[t] = 128;
-				iforce->dev.absfuzz[t] = 16;
-
-				set_bit(t, iforce->dev.ffbit);
+				input_set_abs_params(input_dev, t, -1920, 1920, 16, 128);
+				set_bit(t, input_dev->ffbit);
 				break;
 
 			case ABS_THROTTLE:
 			case ABS_GAS:
 			case ABS_BRAKE:
 
-				iforce->dev.absmax[t] = 255;
-				iforce->dev.absmin[t] = 0;
+				input_set_abs_params(input_dev, t, 0, 255, 0, 0);
 				break;
 
 			case ABS_RUDDER:
 
-				iforce->dev.absmax[t] = 127;
-				iforce->dev.absmin[t] = -128;
+				input_set_abs_params(input_dev, t, -128, 127, 0, 0);
 				break;
 
 			case ABS_HAT0X:
 			case ABS_HAT0Y:
 		        case ABS_HAT1X:
 		        case ABS_HAT1Y:
-				iforce->dev.absmax[t] =  1;
-				iforce->dev.absmin[t] = -1;
+
+				input_set_abs_params(input_dev, t, -1, 1, 0, 0);
 				break;
 		}
 	}
 
-	for (i = 0; iforce->type->ff[i] >= 0; i++)
-		set_bit(iforce->type->ff[i], iforce->dev.ffbit);
+	if (ff_effects) {
+
+		for (i = 0; iforce->type->ff[i] >= 0; i++)
+			set_bit(iforce->type->ff[i], input_dev->ffbit);
 
+		error = input_ff_create(input_dev, ff_effects);
+		if (error)
+			goto fail;
+
+		ff = input_dev->ff;
+		ff->upload = iforce_upload_effect;
+		ff->erase = iforce_erase_effect;
+		ff->set_gain = iforce_set_gain;
+		ff->set_autocenter = iforce_set_autocenter;
+		ff->playback = iforce_playback;
+	}
 /*
  * Register input device.
  */
 
-	input_register_device(&iforce->dev);
-
-	printk(KERN_DEBUG "iforce->dev.open = %p\n", iforce->dev.open);
+	error = input_register_device(iforce->dev);
+	if (error)
+		goto fail;
 
-	printk(KERN_INFO "input: %s [%d effects, %ld bytes memory]\n",
-		iforce->dev.name, iforce->dev.ff_effects_max,
-		iforce->device_memory.end);
+	printk(KERN_DEBUG "iforce->dev->open = %p\n", iforce->dev->open);
 
 	return 0;
+
+ fail:	input_free_device(input_dev);
+	return error;
 }
 
 static int __init iforce_init(void)
 {
+	int err = 0;
+
 #ifdef CONFIG_JOYSTICK_IFORCE_USB
-	usb_register(&iforce_usb_driver);
+	err = usb_register(&iforce_usb_driver);
+	if (err)
+		return err;
 #endif
 #ifdef CONFIG_JOYSTICK_IFORCE_232
-	serio_register_device(&iforce_serio_dev);
+	err = serio_register_driver(&iforce_serio_drv);
+#ifdef CONFIG_JOYSTICK_IFORCE_USB
+	if (err)
+		usb_deregister(&iforce_usb_driver);
 #endif
-	return 0;
+#endif
+	return err;
 }
 
 static void __exit iforce_exit(void)
@@ -535,7 +490,7 @@ static void __exit iforce_exit(void)
 	usb_deregister(&iforce_usb_driver);
 #endif
 #ifdef CONFIG_JOYSTICK_IFORCE_232
-	serio_unregister_device(&iforce_serio_dev);
+	serio_unregister_driver(&iforce_serio_drv);
 #endif
 }