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Commit d638d499 authored by Linus Torvalds's avatar Linus Torvalds
Browse files
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
  Input: appletouch - improve powersaving for Geyser3 devices
  Input: lifebook - fix an oops on Panasonic CF-18
  Input: document intended meaning of KEY_SWITCHVIDEOMODE
  Input: switch to using seq_list_xxx helpers
  Input: i8042 - give more trust to PNP data on i386
  Input: add driver for Fujitsu serial touchscreens
  Input: ads7846 - re-check pendown status before reporting events
  Input: ads7846 - introduce sample settling delay
  Input: xpad - add support for leds on xbox 360 pad
parents 8c6b065b 5a6eb676
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+4 −25
Original line number Diff line number Diff line
@@ -471,37 +471,16 @@ static unsigned int input_proc_devices_poll(struct file *file, poll_table *wait)
	return 0;
}

static struct list_head *list_get_nth_element(struct list_head *list, loff_t *pos)
{
	struct list_head *node;
	loff_t i = 0;

	list_for_each(node, list)
		if (i++ == *pos)
			return node;

	return NULL;
}

static struct list_head *list_get_next_element(struct list_head *list, struct list_head *element, loff_t *pos)
{
	if (element->next == list)
		return NULL;

	++(*pos);
	return element->next;
}

static void *input_devices_seq_start(struct seq_file *seq, loff_t *pos)
{
	/* acquire lock here ... Yes, we do need locking, I knowi, I know... */

	return list_get_nth_element(&input_dev_list, pos);
	return seq_list_start(&input_dev_list, *pos);
}

static void *input_devices_seq_next(struct seq_file *seq, void *v, loff_t *pos)
{
	return list_get_next_element(&input_dev_list, v, pos);
	return seq_list_next(v, &input_dev_list, pos);
}

static void input_devices_seq_stop(struct seq_file *seq, void *v)
@@ -592,13 +571,13 @@ static void *input_handlers_seq_start(struct seq_file *seq, loff_t *pos)
{
	/* acquire lock here ... Yes, we do need locking, I knowi, I know... */
	seq->private = (void *)(unsigned long)*pos;
	return list_get_nth_element(&input_handler_list, pos);
	return seq_list_start(&input_handler_list, *pos);
}

static void *input_handlers_seq_next(struct seq_file *seq, void *v, loff_t *pos)
{
	seq->private = (void *)(unsigned long)(*pos + 1);
	return list_get_next_element(&input_handler_list, v, pos);
	return seq_list_next(v, &input_handler_list, pos);
}

static void input_handlers_seq_stop(struct seq_file *seq, void *v)
+7 −0
Original line number Diff line number Diff line
@@ -275,4 +275,11 @@ config JOYSTICK_XPAD_FF
	---help---
	  Say Y here if you want to take advantage of xbox 360 rumble features.

config JOYSTICK_XPAD_LEDS
	bool "LED Support for Xbox360 controller 'BigX' LED"
	depends on LEDS_CLASS && JOYSTICK_XPAD
	---help---
	  This option enables support for the LED which surrounds the Big X on
	  XBox 360 controller.

endif
+148 −42
Original line number Diff line number Diff line
@@ -191,13 +191,18 @@ struct usb_xpad {
	unsigned char *idata;		/* input data */
	dma_addr_t idata_dma;

#ifdef CONFIG_JOYSTICK_XPAD_FF
#if defined(CONFIG_JOYSTICK_XPAD_FF) || defined(CONFIG_JOYSTICK_XPAD_LEDS)
	struct urb *irq_out;		/* urb for interrupt out report */
	unsigned char *odata;		/* output data */
	dma_addr_t odata_dma;
	struct mutex odata_mutex;
#endif

#if defined(CONFIG_JOYSTICK_XPAD_LEDS)
	struct xpad_led *led;
#endif

	char phys[65];			/* physical device path */
	char phys[64];			/* physical device path */

	int dpad_mapping;		/* map d-pad to buttons or to axes */
	int xtype;			/* type of xbox device */
@@ -349,7 +354,7 @@ static void xpad_irq_in(struct urb *urb)
		     __FUNCTION__, retval);
}

#ifdef CONFIG_JOYSTICK_XPAD_FF
#if defined(CONFIG_JOYSTICK_XPAD_FF) || defined(CONFIG_JOYSTICK_XPAD_LEDS)
static void xpad_irq_out(struct urb *urb)
{
	int retval;
@@ -376,29 +381,7 @@ static void xpad_irq_out(struct urb *urb)
		   __FUNCTION__, retval);
}

static int xpad_play_effect(struct input_dev *dev, void *data,
			    struct ff_effect *effect)
{
	struct usb_xpad *xpad = input_get_drvdata(dev);

	if (effect->type == FF_RUMBLE) {
		__u16 strong = effect->u.rumble.strong_magnitude;
		__u16 weak = effect->u.rumble.weak_magnitude;
		xpad->odata[0] = 0x00;
		xpad->odata[1] = 0x08;
		xpad->odata[2] = 0x00;
		xpad->odata[3] = strong / 256;
		xpad->odata[4] = weak / 256;
		xpad->odata[5] = 0x00;
		xpad->odata[6] = 0x00;
		xpad->odata[7] = 0x00;
		usb_submit_urb(xpad->irq_out, GFP_KERNEL);
	}

	return 0;
}

static int xpad_init_ff(struct usb_interface *intf, struct usb_xpad *xpad)
static int xpad_init_output(struct usb_interface *intf, struct usb_xpad *xpad)
{
	struct usb_endpoint_descriptor *ep_irq_out;
	int error = -ENOMEM;
@@ -411,6 +394,8 @@ static int xpad_init_ff(struct usb_interface *intf, struct usb_xpad *xpad)
	if (!xpad->odata)
		goto fail1;

	mutex_init(&xpad->odata_mutex);

	xpad->irq_out = usb_alloc_urb(0, GFP_KERNEL);
	if (!xpad->irq_out)
		goto fail2;
@@ -423,25 +408,19 @@ static int xpad_init_ff(struct usb_interface *intf, struct usb_xpad *xpad)
	xpad->irq_out->transfer_dma = xpad->odata_dma;
	xpad->irq_out->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;

	input_set_capability(xpad->dev, EV_FF, FF_RUMBLE);

	error = input_ff_create_memless(xpad->dev, NULL, xpad_play_effect);
	if (error)
		goto fail2;

	return 0;

 fail2:	usb_buffer_free(xpad->udev, XPAD_PKT_LEN, xpad->odata, xpad->odata_dma);
 fail1:	return error;
}

static void xpad_stop_ff(struct usb_xpad *xpad)
static void xpad_stop_output(struct usb_xpad *xpad)
{
	if (xpad->xtype == XTYPE_XBOX360)
		usb_kill_urb(xpad->irq_out);
}

static void xpad_deinit_ff(struct usb_xpad *xpad)
static void xpad_deinit_output(struct usb_xpad *xpad)
{
	if (xpad->xtype == XTYPE_XBOX360) {
		usb_free_urb(xpad->irq_out);
@@ -449,13 +428,130 @@ static void xpad_deinit_ff(struct usb_xpad *xpad)
				xpad->odata, xpad->odata_dma);
	}
}
#else
static int xpad_init_output(struct usb_interface *intf, struct usb_xpad *xpad) { return 0; }
static void xpad_deinit_output(struct usb_xpad *xpad) {}
static void xpad_stop_output(struct usb_xpad *xpad) {}
#endif

#ifdef CONFIG_JOYSTICK_XPAD_FF
static int xpad_play_effect(struct input_dev *dev, void *data,
			    struct ff_effect *effect)
{
	struct usb_xpad *xpad = input_get_drvdata(dev);

	if (effect->type == FF_RUMBLE) {
		__u16 strong = effect->u.rumble.strong_magnitude;
		__u16 weak = effect->u.rumble.weak_magnitude;
		xpad->odata[0] = 0x00;
		xpad->odata[1] = 0x08;
		xpad->odata[2] = 0x00;
		xpad->odata[3] = strong / 256;
		xpad->odata[4] = weak / 256;
		xpad->odata[5] = 0x00;
		xpad->odata[6] = 0x00;
		xpad->odata[7] = 0x00;
		usb_submit_urb(xpad->irq_out, GFP_KERNEL);
	}

	return 0;
}

static int xpad_init_ff(struct usb_xpad *xpad)
{
	input_set_capability(xpad->dev, EV_FF, FF_RUMBLE);

	return input_ff_create_memless(xpad->dev, NULL, xpad_play_effect);
}

#else
static int xpad_init_ff(struct usb_xpad *xpad) { return 0; }
#endif

#if defined(CONFIG_JOYSTICK_XPAD_LEDS)
#include <linux/leds.h>

struct xpad_led {
	char name[16];
	struct led_classdev led_cdev;
	struct usb_xpad *xpad;
};

static void xpad_send_led_command(struct usb_xpad *xpad, int command)
{
	if (command >= 0 && command < 14) {
		mutex_lock(&xpad->odata_mutex);
		xpad->odata[0] = 0x01;
		xpad->odata[1] = 0x03;
		xpad->odata[2] = command;
		usb_submit_urb(xpad->irq_out, GFP_KERNEL);
		mutex_unlock(&xpad->odata_mutex);
	}
}

static void xpad_led_set(struct led_classdev *led_cdev,
			 enum led_brightness value)
{
	struct xpad_led *xpad_led = container_of(led_cdev,
						 struct xpad_led, led_cdev);

	xpad_send_led_command(xpad_led->xpad, value);
}

static int xpad_led_probe(struct usb_xpad *xpad)
{
	static atomic_t led_seq	= ATOMIC_INIT(0);
	long led_no;
	struct xpad_led *led;
	struct led_classdev *led_cdev;
	int error;

	if (xpad->xtype != XTYPE_XBOX360)
		return 0;

	xpad->led = led = kzalloc(sizeof(struct xpad_led), GFP_KERNEL);
	if (!led)
		return -ENOMEM;

	led_no = (long)atomic_inc_return(&led_seq) - 1;

	snprintf(led->name, sizeof(led->name), "xpad%ld", led_no);
	led->xpad = xpad;

	led_cdev = &led->led_cdev;
	led_cdev->name = led->name;
	led_cdev->brightness_set = xpad_led_set;

	error = led_classdev_register(&xpad->udev->dev, led_cdev);
	if (error) {
		kfree(led);
		xpad->led = NULL;
		return error;
	}

	/*
	 * Light up the segment corresponding to controller number
	 */
	xpad_send_led_command(xpad, (led_no % 4) + 2);

	return 0;
}

static void xpad_led_disconnect(struct usb_xpad *xpad)
{
	struct xpad_led *xpad_led = xpad->led;

	if (xpad_led) {
		led_classdev_unregister(&xpad_led->led_cdev);
		kfree(xpad_led->name);
	}
}
#else
static int xpad_init_ff(struct usb_interface *intf, struct usb_xpad *xpad) { return 0; }
static void xpad_stop_ff(struct usb_xpad *xpad) { }
static void xpad_deinit_ff(struct usb_xpad *xpad) { }
static int xpad_led_probe(struct usb_xpad *xpad) { return 0; }
static void xpad_led_disconnect(struct usb_xpad *xpad) { }
#endif


static int xpad_open(struct input_dev *dev)
{
	struct usb_xpad *xpad = input_get_drvdata(dev);
@@ -472,7 +568,7 @@ static void xpad_close(struct input_dev *dev)
	struct usb_xpad *xpad = input_get_drvdata(dev);

	usb_kill_urb(xpad->irq_in);
	xpad_stop_ff(xpad);
	xpad_stop_output(xpad);
}

static void xpad_set_up_abs(struct input_dev *input_dev, signed short abs)
@@ -564,10 +660,18 @@ static int xpad_probe(struct usb_interface *intf, const struct usb_device_id *id
		for (i = 0; xpad_abs_pad[i] >= 0; i++)
		    xpad_set_up_abs(input_dev, xpad_abs_pad[i]);

	error = xpad_init_ff(intf, xpad);
	error = xpad_init_output(intf, xpad);
	if (error)
		goto fail2;

	error = xpad_init_ff(xpad);
	if (error)
		goto fail3;

	error = xpad_led_probe(xpad);
	if (error)
		goto fail3;

	ep_irq_in = &intf->cur_altsetting->endpoint[0].desc;
	usb_fill_int_urb(xpad->irq_in, udev,
			 usb_rcvintpipe(udev, ep_irq_in->bEndpointAddress),
@@ -578,12 +682,13 @@ static int xpad_probe(struct usb_interface *intf, const struct usb_device_id *id

	error = input_register_device(xpad->dev);
	if (error)
		goto fail3;
		goto fail4;

	usb_set_intfdata(intf, xpad);
	return 0;

 fail3:	usb_free_urb(xpad->irq_in);
 fail4:	usb_free_urb(xpad->irq_in);
 fail3:	xpad_deinit_output(xpad);
 fail2:	usb_buffer_free(udev, XPAD_PKT_LEN, xpad->idata, xpad->idata_dma);
 fail1:	input_free_device(input_dev);
	kfree(xpad);
@@ -597,8 +702,9 @@ static void xpad_disconnect(struct usb_interface *intf)

	usb_set_intfdata(intf, NULL);
	if (xpad) {
		xpad_led_disconnect(xpad);
		input_unregister_device(xpad->dev);
		xpad_deinit_ff(xpad);
		xpad_deinit_output(xpad);
		usb_free_urb(xpad->irq_in);
		usb_buffer_free(xpad->udev, XPAD_PKT_LEN,
				xpad->idata, xpad->idata_dma);
+74 −37
Original line number Diff line number Diff line
@@ -155,6 +155,8 @@ struct atp {
	int			xy_acc[ATP_XSENSORS + ATP_YSENSORS];
	int			overflowwarn;	/* overflow warning printed? */
	int			datalen;	/* size of an USB urb transfer */
	int			idlecount;      /* number of empty packets */
	struct work_struct      work;
};

#define dbg_dump(msg, tab) \
@@ -208,6 +210,55 @@ static inline int atp_is_geyser_3(struct atp *dev)
		(productId == GEYSER4_JIS_PRODUCT_ID);
}

/*
 * By default Geyser 3 device sends standard USB HID mouse
 * packets (Report ID 2). This code changes device mode, so it
 * sends raw sensor reports (Report ID 5).
 */
static int atp_geyser3_init(struct usb_device *udev)
{
	char data[8];
	int size;

	size = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
			ATP_GEYSER3_MODE_READ_REQUEST_ID,
			USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE,
			ATP_GEYSER3_MODE_REQUEST_VALUE,
			ATP_GEYSER3_MODE_REQUEST_INDEX, &data, 8, 5000);

	if (size != 8) {
		err("Could not do mode read request from device"
		    " (Geyser 3 mode)");
		return -EIO;
	}

	/* Apply the mode switch */
	data[0] = ATP_GEYSER3_MODE_VENDOR_VALUE;

	size = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
			ATP_GEYSER3_MODE_WRITE_REQUEST_ID,
			USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE,
			ATP_GEYSER3_MODE_REQUEST_VALUE,
			ATP_GEYSER3_MODE_REQUEST_INDEX, &data, 8, 5000);

	if (size != 8) {
		err("Could not do mode write request to device"
		    " (Geyser 3 mode)");
		return -EIO;
	}
	return 0;
}

/* Reinitialise the device if it's a geyser 3 */
static void atp_reinit(struct work_struct *work)
{
	struct atp *dev = container_of(work, struct atp, work);
	struct usb_device *udev = dev->udev;

	dev->idlecount = 0;
	atp_geyser3_init(udev);
}

static int atp_calculate_abs(int *xy_sensors, int nb_sensors, int fact,
			     int *z, int *fingers)
{
@@ -439,8 +490,8 @@ static void atp_complete(struct urb* urb)
		}
		dev->x_old = x;
		dev->y_old = y;
	}
	else if (!x && !y) {

	} else if (!x && !y) {

		dev->x_old = dev->y_old = -1;
		input_report_key(dev->input, BTN_TOUCH, 0);
@@ -449,11 +500,21 @@ static void atp_complete(struct urb* urb)

		/* reset the accumulator on release */
		memset(dev->xy_acc, 0, sizeof(dev->xy_acc));
	}

	input_report_key(dev->input, BTN_LEFT,
			 !!dev->data[dev->datalen - 1]);
		/* Geyser 3 will continue to send packets continually after
		   the first touch unless reinitialised. Do so if it's been
		   idle for a while in order to avoid waking the kernel up
		   several hundred times a second */
		if (atp_is_geyser_3(dev)) {
			dev->idlecount++;
			if (dev->idlecount == 10) {
				dev->valid = 0;
				schedule_work(&dev->work);
			}
		}
	}

	input_report_key(dev->input, BTN_LEFT, dev->data[dev->datalen - 1] & 1);
	input_sync(dev->input);

exit:
@@ -480,6 +541,7 @@ static void atp_close(struct input_dev *input)
	struct atp *dev = input_get_drvdata(input);

	usb_kill_urb(dev->urb);
	cancel_work_sync(&dev->work);
	dev->open = 0;
}

@@ -528,40 +590,10 @@ static int atp_probe(struct usb_interface *iface, const struct usb_device_id *id
		dev->datalen = 81;

	if (atp_is_geyser_3(dev)) {
		/*
		 * By default Geyser 3 device sends standard USB HID mouse
		 * packets (Report ID 2). This code changes device mode, so it
		 * sends raw sensor reports (Report ID 5).
		 */
		char data[8];
		int size;

		size = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
			ATP_GEYSER3_MODE_READ_REQUEST_ID,
			USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE,
			ATP_GEYSER3_MODE_REQUEST_VALUE,
			ATP_GEYSER3_MODE_REQUEST_INDEX, &data, 8, 5000);

		if (size != 8) {
			err("Could not do mode read request from device"
							" (Geyser 3 mode)");
		/* switch to raw sensor mode */
		if (atp_geyser3_init(udev))
			goto err_free_devs;
		}

		/* Apply the mode switch */
		data[0] = ATP_GEYSER3_MODE_VENDOR_VALUE;

		size = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
			ATP_GEYSER3_MODE_WRITE_REQUEST_ID,
			USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE,
			ATP_GEYSER3_MODE_REQUEST_VALUE,
			ATP_GEYSER3_MODE_REQUEST_INDEX, &data, 8, 5000);

		if (size != 8) {
			err("Could not do mode write request to device"
							" (Geyser 3 mode)");
			goto err_free_devs;
		}
		printk("appletouch Geyser 3 inited.\n");
	}

@@ -636,6 +668,8 @@ static int atp_probe(struct usb_interface *iface, const struct usb_device_id *id
	/* save our data pointer in this interface device */
	usb_set_intfdata(iface, dev);

	INIT_WORK(&dev->work, atp_reinit);

	return 0;

 err_free_buffer:
@@ -669,14 +703,17 @@ static void atp_disconnect(struct usb_interface *iface)
static int atp_suspend(struct usb_interface *iface, pm_message_t message)
{
	struct atp *dev = usb_get_intfdata(iface);

	usb_kill_urb(dev->urb);
	dev->valid = 0;

	return 0;
}

static int atp_resume(struct usb_interface *iface)
{
	struct atp *dev = usb_get_intfdata(iface);

	if (dev->open && usb_submit_urb(dev->urb, GFP_ATOMIC))
		return -EIO;

+1 −1
Original line number Diff line number Diff line
@@ -109,7 +109,7 @@ static psmouse_ret_t lifebook_process_byte(struct psmouse *psmouse)
{
	struct lifebook_data *priv = psmouse->private;
	struct input_dev *dev1 = psmouse->dev;
	struct input_dev *dev2 = priv->dev2;
	struct input_dev *dev2 = priv ? priv->dev2 : NULL;
	unsigned char *packet = psmouse->packet;
	int relative_packet = packet[0] & 0x08;

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