/*
- * Apple USB Touchpad (for post-February 2005 PowerBooks) driver
+ * Apple USB Touchpad (for post-February 2005 PowerBooks and MacBooks) driver
*
* Copyright (C) 2001-2004 Greg Kroah-Hartman (greg@kroah.com)
* Copyright (C) 2005 Johannes Berg (johannes@sipsolutions.net)
* Copyright (C) 2005 Stelian Pop (stelian@popies.net)
* Copyright (C) 2005 Frank Arnold (frank@scirocco-5v-turbo.de)
* Copyright (C) 2005 Peter Osterlund (petero2@telia.com)
+ * Copyright (C) 2005 Michael Hanselmann (linux-kernel@hansmi.ch)
+ * Copyright (C) 2006 Nicolas Boichat (nicolas@boichat.ch)
*
* Thanks to Alex Harper <basilisk@foobox.net> for his inputs.
*
*
*/
-#include <linux/config.h>
#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/init.h>
#include <linux/slab.h>
#include <linux/module.h>
-#include <linux/usb.h>
-#include <linux/input.h>
+#include <linux/usb/input.h>
/* Apple has powerbooks which have the keyboard with different Product IDs */
#define APPLE_VENDOR_ID 0x05AC
-#define ATP_12INCH_ID1 0x030A
-#define ATP_15INCH_ID1 0x020E
-#define ATP_15INCH_ID2 0x020F
-#define ATP_17INCH_ID1 0xFFFF /* XXX need a tester !!! */
-#define ATP_DRIVER_VERSION 0x0007 /* 00.07 */
+/* These names come from Info.plist in AppleUSBTrackpad.kext */
+#define FOUNTAIN_ANSI_PRODUCT_ID 0x020E
+#define FOUNTAIN_ISO_PRODUCT_ID 0x020F
+
+#define FOUNTAIN_TP_ONLY_PRODUCT_ID 0x030A
+
+#define GEYSER1_TP_ONLY_PRODUCT_ID 0x030B
+
+#define GEYSER_ANSI_PRODUCT_ID 0x0214
+#define GEYSER_ISO_PRODUCT_ID 0x0215
+#define GEYSER_JIS_PRODUCT_ID 0x0216
+
+/* MacBook devices */
+#define GEYSER3_ANSI_PRODUCT_ID 0x0217
+#define GEYSER3_ISO_PRODUCT_ID 0x0218
+#define GEYSER3_JIS_PRODUCT_ID 0x0219
+
+/*
+ * Geyser IV: same as Geyser III according to Info.plist in AppleUSBTrackpad.kext
+ * -> same IOClass (AppleUSBGrIIITrackpad), same acceleration tables
+ */
+#define GEYSER4_ANSI_PRODUCT_ID 0x021A
+#define GEYSER4_ISO_PRODUCT_ID 0x021B
+#define GEYSER4_JIS_PRODUCT_ID 0x021C
#define ATP_DEVICE(prod) \
- .match_flags = USB_DEVICE_ID_MATCH_DEVICE | \
+ .match_flags = USB_DEVICE_ID_MATCH_DEVICE | \
USB_DEVICE_ID_MATCH_INT_CLASS | \
USB_DEVICE_ID_MATCH_INT_PROTOCOL, \
.idVendor = APPLE_VENDOR_ID, \
/* table of devices that work with this driver */
static struct usb_device_id atp_table [] = {
- { ATP_DEVICE(ATP_12INCH_ID1) },
- { ATP_DEVICE(ATP_15INCH_ID1) },
- { ATP_DEVICE(ATP_15INCH_ID2) },
-#if 0
- Disabled until someone gives us the real USB id and tests the driver
- { ATP_DEVICE(ATP_17INCH_ID1) },
-#endif
- { } /* Terminating entry */
+ { ATP_DEVICE(FOUNTAIN_ANSI_PRODUCT_ID) },
+ { ATP_DEVICE(FOUNTAIN_ISO_PRODUCT_ID) },
+ { ATP_DEVICE(FOUNTAIN_TP_ONLY_PRODUCT_ID) },
+ { ATP_DEVICE(GEYSER1_TP_ONLY_PRODUCT_ID) },
+
+ /* PowerBooks Oct 2005 */
+ { ATP_DEVICE(GEYSER_ANSI_PRODUCT_ID) },
+ { ATP_DEVICE(GEYSER_ISO_PRODUCT_ID) },
+ { ATP_DEVICE(GEYSER_JIS_PRODUCT_ID) },
+
+ /* Core Duo MacBook & MacBook Pro */
+ { ATP_DEVICE(GEYSER3_ANSI_PRODUCT_ID) },
+ { ATP_DEVICE(GEYSER3_ISO_PRODUCT_ID) },
+ { ATP_DEVICE(GEYSER3_JIS_PRODUCT_ID) },
+
+ /* Core2 Duo MacBook & MacBook Pro */
+ { ATP_DEVICE(GEYSER4_ANSI_PRODUCT_ID) },
+ { ATP_DEVICE(GEYSER4_ISO_PRODUCT_ID) },
+ { ATP_DEVICE(GEYSER4_JIS_PRODUCT_ID) },
+
+ /* Terminating entry */
+ { }
};
MODULE_DEVICE_TABLE (usb, atp_table);
-/* size of a USB urb transfer */
-#define ATP_DATASIZE 81
-
/*
* number of sensors. Note that only 16 instead of 26 X (horizontal)
* sensors exist on 12" and 15" PowerBooks. All models have 16 Y
* We try to keep the touchpad aspect ratio while still doing only simple
* arithmetics.
* The factors below give coordinates like:
- * 0 <= x < 960 on 12" and 15" Powerbooks
- * 0 <= x < 1600 on 17" Powerbooks
- * 0 <= y < 646
+ * 0 <= x < 960 on 12" and 15" Powerbooks
+ * 0 <= x < 1600 on 17" Powerbooks
+ * 0 <= y < 646
*/
#define ATP_XFACT 64
#define ATP_YFACT 43
*/
#define ATP_THRESHOLD 5
+/* MacBook Pro (Geyser 3 & 4) initialization constants */
+#define ATP_GEYSER3_MODE_READ_REQUEST_ID 1
+#define ATP_GEYSER3_MODE_WRITE_REQUEST_ID 9
+#define ATP_GEYSER3_MODE_REQUEST_VALUE 0x300
+#define ATP_GEYSER3_MODE_REQUEST_INDEX 0
+#define ATP_GEYSER3_MODE_VENDOR_VALUE 0x04
+
/* Structure to hold all of our device specific stuff */
struct atp {
+ char phys[64];
struct usb_device * udev; /* usb device */
struct urb * urb; /* usb request block */
signed char * data; /* transferred data */
int open; /* non-zero if opened */
- struct input_dev input; /* input dev */
+ struct input_dev *input; /* input dev */
int valid; /* are the sensors valid ? */
int x_old; /* last reported x/y, */
int y_old; /* used for smoothing */
signed char xy_old[ATP_XSENSORS + ATP_YSENSORS];
/* accumulated sensors */
int xy_acc[ATP_XSENSORS + ATP_YSENSORS];
+ int overflowwarn; /* overflow warning printed? */
+ int datalen; /* size of an USB urb transfer */
};
#define dbg_dump(msg, tab) \
int i; \
printk("appletouch: %s %lld", msg, (long long)jiffies); \
for (i = 0; i < ATP_XSENSORS + ATP_YSENSORS; i++) \
- printk("%02x ", tab[i]); \
- printk("\n"); \
+ printk(" %02x", tab[i]); \
+ printk("\n"); \
}
-#define dprintk(format, a...) \
+#define dprintk(format, a...) \
do { \
if (debug) printk(format, ##a); \
} while (0)
-MODULE_AUTHOR("Johannes Berg, Stelian Pop, Frank Arnold");
+MODULE_AUTHOR("Johannes Berg, Stelian Pop, Frank Arnold, Michael Hanselmann");
MODULE_DESCRIPTION("Apple PowerBooks USB touchpad driver");
MODULE_LICENSE("GPL");
+/*
+ * Make the threshold a module parameter
+ */
+static int threshold = ATP_THRESHOLD;
+module_param(threshold, int, 0644);
+MODULE_PARM_DESC(threshold, "Discards any change in data from a sensor (trackpad has hundreds of these sensors) less than this value");
+
static int debug = 1;
module_param(debug, int, 0644);
MODULE_PARM_DESC(debug, "Activate debugging output");
+/* Checks if the device a Geyser 2 (ANSI, ISO, JIS) */
+static inline int atp_is_geyser_2(struct atp *dev)
+{
+ u16 productId = le16_to_cpu(dev->udev->descriptor.idProduct);
+
+ return (productId == GEYSER_ANSI_PRODUCT_ID) ||
+ (productId == GEYSER_ISO_PRODUCT_ID) ||
+ (productId == GEYSER_JIS_PRODUCT_ID);
+}
+
+static inline int atp_is_geyser_3(struct atp *dev)
+{
+ u16 productId = le16_to_cpu(dev->udev->descriptor.idProduct);
+
+ return (productId == GEYSER3_ANSI_PRODUCT_ID) ||
+ (productId == GEYSER3_ISO_PRODUCT_ID) ||
+ (productId == GEYSER3_JIS_PRODUCT_ID) ||
+ (productId == GEYSER4_ANSI_PRODUCT_ID) ||
+ (productId == GEYSER4_ISO_PRODUCT_ID) ||
+ (productId == GEYSER4_JIS_PRODUCT_ID);
+}
+
static int atp_calculate_abs(int *xy_sensors, int nb_sensors, int fact,
int *z, int *fingers)
{
int i;
/* values to calculate mean */
int pcum = 0, psum = 0;
+ int is_increasing = 0;
*fingers = 0;
for (i = 0; i < nb_sensors; i++) {
- if (xy_sensors[i] < ATP_THRESHOLD)
+ if (xy_sensors[i] < threshold) {
+ if (is_increasing)
+ is_increasing = 0;
+
continue;
- if ((i - 1 < 0) || (xy_sensors[i - 1] < ATP_THRESHOLD))
+ }
+
+ /*
+ * Makes the finger detection more versatile. For example,
+ * two fingers with no gap will be detected. Also, my
+ * tests show it less likely to have intermittent loss
+ * of multiple finger readings while moving around (scrolling).
+ *
+ * Changes the multiple finger detection to counting humps on
+ * sensors (transitions from nonincreasing to increasing)
+ * instead of counting transitions from low sensors (no
+ * finger reading) to high sensors (finger above
+ * sensor)
+ *
+ * - Jason Parekh <jasonparekh@gmail.com>
+ */
+ if (i < 1 || (!is_increasing && xy_sensors[i - 1] < xy_sensors[i])) {
(*fingers)++;
- pcum += xy_sensors[i] * i;
- psum += xy_sensors[i];
+ is_increasing = 1;
+ } else if (i > 0 && xy_sensors[i - 1] >= xy_sensors[i]) {
+ is_increasing = 0;
+ }
+
+ /*
+ * Subtracts threshold so a high sensor that just passes the threshold
+ * won't skew the calculated absolute coordinate. Fixes an issue
+ * where slowly moving the mouse would occassionaly jump a number of
+ * pixels (let me restate--slowly moving the mouse makes this issue
+ * most apparent).
+ */
+ pcum += (xy_sensors[i] - threshold) * i;
+ psum += (xy_sensors[i] - threshold);
}
if (psum > 0) {
input_report_key(input, BTN_TOOL_TRIPLETAP, fingers > 2);
}
-static void atp_complete(struct urb* urb, struct pt_regs* regs)
+static void atp_complete(struct urb* urb)
{
int x, y, x_z, y_z, x_f, y_f;
- int retval, i;
+ int retval, i, j;
struct atp *dev = urb->context;
switch (urb->status) {
case 0:
/* success */
break;
+ case -EOVERFLOW:
+ if(!dev->overflowwarn) {
+ printk("appletouch: OVERFLOW with data "
+ "length %d, actual length is %d\n",
+ dev->datalen, dev->urb->actual_length);
+ dev->overflowwarn = 1;
+ }
case -ECONNRESET:
case -ENOENT:
case -ESHUTDOWN:
}
/* drop incomplete datasets */
- if (dev->urb->actual_length != ATP_DATASIZE) {
- dprintk("appletouch: incomplete data package.\n");
+ if (dev->urb->actual_length != dev->datalen) {
+ dprintk("appletouch: incomplete data package"
+ " (first byte: %d, length: %d).\n",
+ dev->data[0], dev->urb->actual_length);
goto exit;
}
/* reorder the sensors values */
- for (i = 0; i < 8; i++) {
- /* X values */
- dev->xy_cur[i ] = dev->data[5 * i + 2];
- dev->xy_cur[i + 8] = dev->data[5 * i + 4];
- dev->xy_cur[i + 16] = dev->data[5 * i + 42];
- if (i < 2)
- dev->xy_cur[i + 24] = dev->data[5 * i + 44];
-
- /* Y values */
- dev->xy_cur[i + 26] = dev->data[5 * i + 1];
- dev->xy_cur[i + 34] = dev->data[5 * i + 3];
+ if (atp_is_geyser_3(dev)) {
+ memset(dev->xy_cur, 0, sizeof(dev->xy_cur));
+
+ /*
+ * The values are laid out like this:
+ * -, Y1, Y2, -, Y3, Y4, -, ..., -, X1, X2, -, X3, X4, ...
+ * '-' is an unused value.
+ */
+
+ /* read X values */
+ for (i = 0, j = 19; i < 20; i += 2, j += 3) {
+ dev->xy_cur[i] = dev->data[j + 1];
+ dev->xy_cur[i + 1] = dev->data[j + 2];
+ }
+ /* read Y values */
+ for (i = 0, j = 1; i < 9; i += 2, j += 3) {
+ dev->xy_cur[ATP_XSENSORS + i] = dev->data[j + 1];
+ dev->xy_cur[ATP_XSENSORS + i + 1] = dev->data[j + 2];
+ }
+ } else if (atp_is_geyser_2(dev)) {
+ memset(dev->xy_cur, 0, sizeof(dev->xy_cur));
+
+ /*
+ * The values are laid out like this:
+ * Y1, Y2, -, Y3, Y4, -, ..., X1, X2, -, X3, X4, -, ...
+ * '-' is an unused value.
+ */
+
+ /* read X values */
+ for (i = 0, j = 19; i < 20; i += 2, j += 3) {
+ dev->xy_cur[i] = dev->data[j];
+ dev->xy_cur[i + 1] = dev->data[j + 1];
+ }
+
+ /* read Y values */
+ for (i = 0, j = 1; i < 9; i += 2, j += 3) {
+ dev->xy_cur[ATP_XSENSORS + i] = dev->data[j];
+ dev->xy_cur[ATP_XSENSORS + i + 1] = dev->data[j + 1];
+ }
+ } else {
+ for (i = 0; i < 8; i++) {
+ /* X values */
+ dev->xy_cur[i ] = dev->data[5 * i + 2];
+ dev->xy_cur[i + 8] = dev->data[5 * i + 4];
+ dev->xy_cur[i + 16] = dev->data[5 * i + 42];
+ if (i < 2)
+ dev->xy_cur[i + 24] = dev->data[5 * i + 44];
+
+ /* Y values */
+ dev->xy_cur[i + 26] = dev->data[5 * i + 1];
+ dev->xy_cur[i + 34] = dev->data[5 * i + 3];
+ }
}
dbg_dump("sample", dev->xy_cur);
dev->valid = 1;
dev->x_old = dev->y_old = -1;
memcpy(dev->xy_old, dev->xy_cur, sizeof(dev->xy_old));
+
+ if (atp_is_geyser_3(dev)) /* No 17" Macbooks (yet) */
+ goto exit;
+
+ /* 17" Powerbooks have extra X sensors */
+ for (i = (atp_is_geyser_2(dev)?15:16); i < ATP_XSENSORS; i++) {
+ if (!dev->xy_cur[i]) continue;
+
+ printk("appletouch: 17\" model detected.\n");
+ if(atp_is_geyser_2(dev))
+ input_set_abs_params(dev->input, ABS_X, 0,
+ (20 - 1) *
+ ATP_XFACT - 1,
+ ATP_FUZZ, 0);
+ else
+ input_set_abs_params(dev->input, ABS_X, 0,
+ (ATP_XSENSORS - 1) *
+ ATP_XFACT - 1,
+ ATP_FUZZ, 0);
+
+ break;
+ }
+
goto exit;
}
"Xz: %3d Yz: %3d\n",
x, y, x_z, y_z);
- input_report_key(&dev->input, BTN_TOUCH, 1);
- input_report_abs(&dev->input, ABS_X, x);
- input_report_abs(&dev->input, ABS_Y, y);
- input_report_abs(&dev->input, ABS_PRESSURE,
+ input_report_key(dev->input, BTN_TOUCH, 1);
+ input_report_abs(dev->input, ABS_X, x);
+ input_report_abs(dev->input, ABS_Y, y);
+ input_report_abs(dev->input, ABS_PRESSURE,
min(ATP_PRESSURE, x_z + y_z));
- atp_report_fingers(&dev->input, max(x_f, y_f));
+ atp_report_fingers(dev->input, max(x_f, y_f));
}
dev->x_old = x;
dev->y_old = y;
else if (!x && !y) {
dev->x_old = dev->y_old = -1;
- input_report_key(&dev->input, BTN_TOUCH, 0);
- input_report_abs(&dev->input, ABS_PRESSURE, 0);
- atp_report_fingers(&dev->input, 0);
+ input_report_key(dev->input, BTN_TOUCH, 0);
+ input_report_abs(dev->input, ABS_PRESSURE, 0);
+ atp_report_fingers(dev->input, 0);
/* reset the accumulator on release */
memset(dev->xy_acc, 0, sizeof(dev->xy_acc));
}
- input_report_key(&dev->input, BTN_LEFT, !!dev->data[80]);
+ input_report_key(dev->input, BTN_LEFT,
+ !!dev->data[dev->datalen - 1]);
- input_sync(&dev->input);
+ input_sync(dev->input);
exit:
retval = usb_submit_urb(dev->urb, GFP_ATOMIC);
static int atp_probe(struct usb_interface *iface, const struct usb_device_id *id)
{
- struct atp *dev = NULL;
+ struct atp *dev;
+ struct input_dev *input_dev;
+ struct usb_device *udev = interface_to_usbdev(iface);
struct usb_host_interface *iface_desc;
struct usb_endpoint_descriptor *endpoint;
int int_in_endpointAddr = 0;
int i, retval = -ENOMEM;
- /* allocate memory for our device state and initialize it */
- dev = kmalloc(sizeof(struct atp), GFP_KERNEL);
- if (dev == NULL) {
- err("Out of memory");
- goto err_kmalloc;
- }
- memset(dev, 0, sizeof(struct atp));
-
- dev->udev = interface_to_usbdev(iface);
/* set up the endpoint information */
/* use only the first interrupt-in endpoint */
iface_desc = iface->cur_altsetting;
for (i = 0; i < iface_desc->desc.bNumEndpoints; i++) {
endpoint = &iface_desc->endpoint[i].desc;
- if (!int_in_endpointAddr &&
- (endpoint->bEndpointAddress & USB_DIR_IN) &&
- ((endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK)
- == USB_ENDPOINT_XFER_INT)) {
+ if (!int_in_endpointAddr && usb_endpoint_is_int_in(endpoint)) {
/* we found an interrupt in endpoint */
int_in_endpointAddr = endpoint->bEndpointAddress;
break;
}
}
if (!int_in_endpointAddr) {
- retval = -EIO;
err("Could not find int-in endpoint");
- goto err_endpoint;
+ return -EIO;
}
- /* save our data pointer in this interface device */
- usb_set_intfdata(iface, dev);
+ /* allocate memory for our device state and initialize it */
+ dev = kzalloc(sizeof(struct atp), GFP_KERNEL);
+ input_dev = input_allocate_device();
+ if (!dev || !input_dev) {
+ err("Out of memory");
+ goto err_free_devs;
+ }
+
+ dev->udev = udev;
+ dev->input = input_dev;
+ dev->overflowwarn = 0;
+ if (atp_is_geyser_3(dev))
+ dev->datalen = 64;
+ else if (atp_is_geyser_2(dev))
+ dev->datalen = 64;
+ else
+ 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)");
+ 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");
+ }
dev->urb = usb_alloc_urb(0, GFP_KERNEL);
if (!dev->urb) {
retval = -ENOMEM;
- goto err_usballoc;
+ goto err_free_devs;
}
- dev->data = usb_buffer_alloc(dev->udev, ATP_DATASIZE, GFP_KERNEL,
+
+ dev->data = usb_buffer_alloc(dev->udev, dev->datalen, GFP_KERNEL,
&dev->urb->transfer_dma);
if (!dev->data) {
retval = -ENOMEM;
- goto err_usbbufalloc;
+ goto err_free_urb;
}
- usb_fill_int_urb(dev->urb, dev->udev,
- usb_rcvintpipe(dev->udev, int_in_endpointAddr),
- dev->data, ATP_DATASIZE, atp_complete, dev, 1);
-
- init_input_dev(&dev->input);
- dev->input.name = "appletouch";
- dev->input.dev = &iface->dev;
- dev->input.private = dev;
- dev->input.open = atp_open;
- dev->input.close = atp_close;
-
- dev->input.id.bustype = BUS_USB;
- dev->input.id.vendor = id->idVendor;
- dev->input.id.product = id->idProduct;
- dev->input.id.version = ATP_DRIVER_VERSION;
-
- set_bit(EV_ABS, dev->input.evbit);
- if (id->idProduct == ATP_17INCH_ID1)
- input_set_abs_params(&dev->input, ABS_X, 0,
- (ATP_XSENSORS - 1) * ATP_XFACT - 1,
- ATP_FUZZ, 0);
- else
- /* 12" and 15" Powerbooks only have 16 x sensors */
- input_set_abs_params(&dev->input, ABS_X, 0,
- (16 - 1) * ATP_XFACT - 1,
- ATP_FUZZ, 0);
- input_set_abs_params(&dev->input, ABS_Y, 0,
- (ATP_YSENSORS - 1) * ATP_YFACT - 1,
- ATP_FUZZ, 0);
- input_set_abs_params(&dev->input, ABS_PRESSURE, 0, ATP_PRESSURE, 0, 0);
-
- set_bit(EV_KEY, dev->input.evbit);
- set_bit(BTN_TOUCH, dev->input.keybit);
- set_bit(BTN_TOOL_FINGER, dev->input.keybit);
- set_bit(BTN_TOOL_DOUBLETAP, dev->input.keybit);
- set_bit(BTN_TOOL_TRIPLETAP, dev->input.keybit);
- set_bit(BTN_LEFT, dev->input.keybit);
-
- input_register_device(&dev->input);
-
- printk(KERN_INFO "input: appletouch connected\n");
+
+ usb_fill_int_urb(dev->urb, udev,
+ usb_rcvintpipe(udev, int_in_endpointAddr),
+ dev->data, dev->datalen, atp_complete, dev, 1);
+
+ usb_make_path(udev, dev->phys, sizeof(dev->phys));
+ strlcat(dev->phys, "/input0", sizeof(dev->phys));
+
+ input_dev->name = "appletouch";
+ input_dev->phys = dev->phys;
+ usb_to_input_id(dev->udev, &input_dev->id);
+ input_dev->cdev.dev = &iface->dev;
+
+ input_dev->private = dev;
+ input_dev->open = atp_open;
+ input_dev->close = atp_close;
+
+ set_bit(EV_ABS, input_dev->evbit);
+
+ if (atp_is_geyser_3(dev)) {
+ /*
+ * MacBook have 20 X sensors, 10 Y sensors
+ */
+ input_set_abs_params(input_dev, ABS_X, 0,
+ ((20 - 1) * ATP_XFACT) - 1, ATP_FUZZ, 0);
+ input_set_abs_params(input_dev, ABS_Y, 0,
+ ((10 - 1) * ATP_YFACT) - 1, ATP_FUZZ, 0);
+ } else if (atp_is_geyser_2(dev)) {
+ /*
+ * Oct 2005 15" PowerBooks have 15 X sensors, 17" are detected
+ * later.
+ */
+ input_set_abs_params(input_dev, ABS_X, 0,
+ ((15 - 1) * ATP_XFACT) - 1, ATP_FUZZ, 0);
+ input_set_abs_params(input_dev, ABS_Y, 0,
+ ((9 - 1) * ATP_YFACT) - 1, ATP_FUZZ, 0);
+ } else {
+ /*
+ * 12" and 15" Powerbooks only have 16 x sensors,
+ * 17" models are detected later.
+ */
+ input_set_abs_params(input_dev, ABS_X, 0,
+ (16 - 1) * ATP_XFACT - 1, ATP_FUZZ, 0);
+ input_set_abs_params(input_dev, ABS_Y, 0,
+ (ATP_YSENSORS - 1) * ATP_YFACT - 1, ATP_FUZZ, 0);
+ }
+ input_set_abs_params(input_dev, ABS_PRESSURE, 0, ATP_PRESSURE, 0, 0);
+
+ set_bit(EV_KEY, input_dev->evbit);
+ set_bit(BTN_TOUCH, input_dev->keybit);
+ set_bit(BTN_TOOL_FINGER, input_dev->keybit);
+ set_bit(BTN_TOOL_DOUBLETAP, input_dev->keybit);
+ set_bit(BTN_TOOL_TRIPLETAP, input_dev->keybit);
+ set_bit(BTN_LEFT, input_dev->keybit);
+
+ input_register_device(dev->input);
+
+ /* save our data pointer in this interface device */
+ usb_set_intfdata(iface, dev);
return 0;
-err_usbbufalloc:
+ err_free_urb:
usb_free_urb(dev->urb);
-err_usballoc:
+ err_free_devs:
usb_set_intfdata(iface, NULL);
-err_endpoint:
kfree(dev);
-err_kmalloc:
+ input_free_device(input_dev);
return retval;
}
usb_set_intfdata(iface, NULL);
if (dev) {
usb_kill_urb(dev->urb);
- input_unregister_device(&dev->input);
- usb_free_urb(dev->urb);
- usb_buffer_free(dev->udev, ATP_DATASIZE,
+ input_unregister_device(dev->input);
+ usb_buffer_free(dev->udev, dev->datalen,
dev->data, dev->urb->transfer_dma);
+ usb_free_urb(dev->urb);
kfree(dev);
}
printk(KERN_INFO "input: appletouch disconnected\n");
}
static struct usb_driver atp_driver = {
- .owner = THIS_MODULE,
.name = "appletouch",
.probe = atp_probe,
.disconnect = atp_disconnect,
git://git.onelab.eu / linux-2.6.git / blobdiff