diff options
author | Dmitry Torokhov <dtor@insightbb.com> | 2007-05-07 17:12:07 -0400 |
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committer | Dmitry Torokhov <dtor@insightbb.com> | 2007-05-08 01:41:29 -0400 |
commit | b5da20f8f7652e7a9648401a1942b7aac3b9ab9d (patch) | |
tree | 05ede0aa5e581dc4f643b1484761f69d057e8755 /drivers/usb/input/appletouch.c | |
parent | 1c362d46825259a48c1d543cab3805a6c770c0c8 (diff) | |
download | op-kernel-dev-b5da20f8f7652e7a9648401a1942b7aac3b9ab9d.zip op-kernel-dev-b5da20f8f7652e7a9648401a1942b7aac3b9ab9d.tar.gz |
Input: move USB mice under drivers/input/mouse
This will allow concentrating all input devices in one place
in {menu|x|q}config.
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb/input/appletouch.c')
-rw-r--r-- | drivers/usb/input/appletouch.c | 706 |
1 files changed, 0 insertions, 706 deletions
diff --git a/drivers/usb/input/appletouch.c b/drivers/usb/input/appletouch.c deleted file mode 100644 index e321526..0000000 --- a/drivers/usb/input/appletouch.c +++ /dev/null @@ -1,706 +0,0 @@ -/* - * 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. - * - * 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., 675 Mass Ave, Cambridge, MA 02139, USA. - * - */ - -#include <linux/kernel.h> -#include <linux/errno.h> -#include <linux/init.h> -#include <linux/slab.h> -#include <linux/module.h> -#include <linux/usb/input.h> - -/* Apple has powerbooks which have the keyboard with different Product IDs */ -#define APPLE_VENDOR_ID 0x05AC - -/* 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 | \ - USB_DEVICE_ID_MATCH_INT_CLASS | \ - USB_DEVICE_ID_MATCH_INT_PROTOCOL, \ - .idVendor = APPLE_VENDOR_ID, \ - .idProduct = (prod), \ - .bInterfaceClass = 0x03, \ - .bInterfaceProtocol = 0x02 - -/* table of devices that work with this driver */ -static struct usb_device_id atp_table [] = { - { 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); - -/* - * number of sensors. Note that only 16 instead of 26 X (horizontal) - * sensors exist on 12" and 15" PowerBooks. All models have 16 Y - * (vertical) sensors. - */ -#define ATP_XSENSORS 26 -#define ATP_YSENSORS 16 - -/* amount of fuzz this touchpad generates */ -#define ATP_FUZZ 16 - -/* maximum pressure this driver will report */ -#define ATP_PRESSURE 300 -/* - * multiplication factor for the X and Y coordinates. - * 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 - */ -#define ATP_XFACT 64 -#define ATP_YFACT 43 - -/* - * Threshold for the touchpad sensors. Any change less than ATP_THRESHOLD is - * ignored. - */ -#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 */ - int valid; /* are the sensors valid ? */ - int x_old; /* last reported x/y, */ - int y_old; /* used for smoothing */ - /* current value of the sensors */ - signed char xy_cur[ATP_XSENSORS + ATP_YSENSORS]; - /* last value of the sensors */ - 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) \ - if (debug > 1) { \ - 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"); \ - } - -#define dprintk(format, a...) \ - do { \ - if (debug) printk(format, ##a); \ - } while (0) - -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] < threshold) { - if (is_increasing) - is_increasing = 0; - - continue; - } - - /* - * 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)++; - 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) { - *z = psum; - return pcum * fact / psum; - } - - return 0; -} - -static inline void atp_report_fingers(struct input_dev *input, int fingers) -{ - input_report_key(input, BTN_TOOL_FINGER, fingers == 1); - input_report_key(input, BTN_TOOL_DOUBLETAP, fingers == 2); - input_report_key(input, BTN_TOOL_TRIPLETAP, fingers > 2); -} - -static void atp_complete(struct urb* urb) -{ - int x, y, x_z, y_z, x_f, y_f; - 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: - /* This urb is terminated, clean up */ - dbg("%s - urb shutting down with status: %d", - __FUNCTION__, urb->status); - return; - default: - dbg("%s - nonzero urb status received: %d", - __FUNCTION__, urb->status); - goto exit; - } - - /* drop incomplete datasets */ - 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 */ - 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); - - if (!dev->valid) { - /* first sample */ - 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; - } - - for (i = 0; i < ATP_XSENSORS + ATP_YSENSORS; i++) { - /* accumulate the change */ - signed char change = dev->xy_old[i] - dev->xy_cur[i]; - dev->xy_acc[i] -= change; - - /* prevent down drifting */ - if (dev->xy_acc[i] < 0) - dev->xy_acc[i] = 0; - } - - memcpy(dev->xy_old, dev->xy_cur, sizeof(dev->xy_old)); - - dbg_dump("accumulator", dev->xy_acc); - - x = atp_calculate_abs(dev->xy_acc, ATP_XSENSORS, - ATP_XFACT, &x_z, &x_f); - y = atp_calculate_abs(dev->xy_acc + ATP_XSENSORS, ATP_YSENSORS, - ATP_YFACT, &y_z, &y_f); - - if (x && y) { - if (dev->x_old != -1) { - x = (dev->x_old * 3 + x) >> 2; - y = (dev->y_old * 3 + y) >> 2; - dev->x_old = x; - dev->y_old = y; - - if (debug > 1) - printk("appletouch: X: %3d Y: %3d " - "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, - min(ATP_PRESSURE, x_z + y_z)); - 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); - - /* 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]); - - input_sync(dev->input); - -exit: - retval = usb_submit_urb(dev->urb, GFP_ATOMIC); - if (retval) { - err("%s - usb_submit_urb failed with result %d", - __FUNCTION__, retval); - } -} - -static int atp_open(struct input_dev *input) -{ - struct atp *dev = input_get_drvdata(input); - - if (usb_submit_urb(dev->urb, GFP_ATOMIC)) - return -EIO; - - dev->open = 1; - return 0; -} - -static void atp_close(struct input_dev *input) -{ - struct atp *dev = input_get_drvdata(input); - - usb_kill_urb(dev->urb); - dev->open = 0; -} - -static int atp_probe(struct usb_interface *iface, const struct usb_device_id *id) -{ - 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, error = -ENOMEM; - - /* 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 && usb_endpoint_is_int_in(endpoint)) { - /* we found an interrupt in endpoint */ - int_in_endpointAddr = endpoint->bEndpointAddress; - break; - } - } - if (!int_in_endpointAddr) { - err("Could not find int-in endpoint"); - return -EIO; - } - - /* 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) - goto err_free_devs; - - dev->data = usb_buffer_alloc(dev->udev, dev->datalen, GFP_KERNEL, - &dev->urb->transfer_dma); - if (!dev->data) - goto err_free_urb; - - 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->dev.parent = &iface->dev; - - input_set_drvdata(input_dev, 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); - - error = input_register_device(dev->input); - if (error) - goto err_free_buffer; - - /* save our data pointer in this interface device */ - usb_set_intfdata(iface, dev); - - return 0; - - err_free_buffer: - usb_buffer_free(dev->udev, dev->datalen, - dev->data, dev->urb->transfer_dma); - err_free_urb: - usb_free_urb(dev->urb); - err_free_devs: - usb_set_intfdata(iface, NULL); - kfree(dev); - input_free_device(input_dev); - return error; -} - -static void atp_disconnect(struct usb_interface *iface) -{ - struct atp *dev = usb_get_intfdata(iface); - - usb_set_intfdata(iface, NULL); - if (dev) { - usb_kill_urb(dev->urb); - 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 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; - - return 0; -} - -static struct usb_driver atp_driver = { - .name = "appletouch", - .probe = atp_probe, - .disconnect = atp_disconnect, - .suspend = atp_suspend, - .resume = atp_resume, - .id_table = atp_table, -}; - -static int __init atp_init(void) -{ - return usb_register(&atp_driver); -} - -static void __exit atp_exit(void) -{ - usb_deregister(&atp_driver); -} - -module_init(atp_init); -module_exit(atp_exit); |