From: Dmitry Torokhov Date: Mon, 7 May 2007 21:12:07 +0000 (-0400) Subject: Input: move USB mice under drivers/input/mouse X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=b5da20f8f7652e7a9648401a1942b7aac3b9ab9d;p=deliverable%2Flinux.git 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 Acked-by: Greg Kroah-Hartman --- diff --git a/drivers/input/mouse/Kconfig b/drivers/input/mouse/Kconfig index 81dd8c7211a7..2ccc114b3ff6 100644 --- a/drivers/input/mouse/Kconfig +++ b/drivers/input/mouse/Kconfig @@ -2,7 +2,7 @@ # Mouse driver configuration # menuconfig INPUT_MOUSE - bool "Mouse" + bool "Mice" default y help Say Y here, and a list of supported mice will be displayed. @@ -19,7 +19,7 @@ config MOUSE_PS2 select SERIO_LIBPS2 select SERIO_I8042 if X86_PC select SERIO_GSCPS2 if GSC - ---help--- + help Say Y here if you have a PS/2 mouse connected to your system. This includes the standard 2 or 3-button PS/2 mouse, as well as PS/2 mice with wheels and extra buttons, Microsoft, Logitech or Genius @@ -41,7 +41,7 @@ config MOUSE_PS2_ALPS bool "ALPS PS/2 mouse protocol extension" if EMBEDDED default y depends on MOUSE_PS2 - ---help--- + help Say Y here if you have an ALPS PS/2 touchpad connected to your system. @@ -51,7 +51,7 @@ config MOUSE_PS2_LOGIPS2PP bool "Logictech PS/2++ mouse protocol extension" if EMBEDDED default y depends on MOUSE_PS2 - ---help--- + help Say Y here if you have a Logictech PS/2++ mouse connected to your system. @@ -61,7 +61,7 @@ config MOUSE_PS2_SYNAPTICS bool "Synaptics PS/2 mouse protocol extension" if EMBEDDED default y depends on MOUSE_PS2 - ---help--- + help Say Y here if you have a Synaptics PS/2 TouchPad connected to your system. @@ -71,7 +71,7 @@ config MOUSE_PS2_LIFEBOOK bool "Fujitsu Lifebook PS/2 mouse protocol extension" if EMBEDDED default y depends on MOUSE_PS2 - ---help--- + help Say Y here if you have a Fujitsu B-series Lifebook PS/2 TouchScreen connected to your system. @@ -81,7 +81,7 @@ config MOUSE_PS2_TRACKPOINT bool "IBM Trackpoint PS/2 mouse protocol extension" if EMBEDDED default y depends on MOUSE_PS2 - ---help--- + help Say Y here if you have an IBM Trackpoint PS/2 mouse connected to your system. @@ -90,7 +90,7 @@ config MOUSE_PS2_TRACKPOINT config MOUSE_PS2_TOUCHKIT bool "eGalax TouchKit PS/2 protocol extension" depends on MOUSE_PS2 - ---help--- + help Say Y here if you have an eGalax TouchKit PS/2 touchscreen connected to your system. @@ -99,7 +99,7 @@ config MOUSE_PS2_TOUCHKIT config MOUSE_SERIAL tristate "Serial mouse" select SERIO - ---help--- + help Say Y here if you have a serial (RS-232, COM port) mouse connected to your system. This includes Sun, MouseSystems, Microsoft, Logitech and all other compatible serial mice. @@ -109,6 +109,26 @@ config MOUSE_SERIAL To compile this driver as a module, choose M here: the module will be called sermouse. +config MOUSE_APPLETOUCH + tristate "Apple USB Touchpad support" + select USB + help + Say Y here if you want to use an Apple USB Touchpad. + + These are the touchpads that can be found on post-February 2005 + Apple Powerbooks (prior models have a Synaptics touchpad connected + to the ADB bus). + + This driver provides a basic mouse driver but can be interfaced + with the synaptics X11 driver to provide acceleration and + scrolling in X11. + + For further information, see + . + + To compile this driver as a module, choose M here: the + module will be called appletouch. + config MOUSE_INPORT tristate "InPort/MS/ATIXL busmouse" depends on ISA diff --git a/drivers/input/mouse/Makefile b/drivers/input/mouse/Makefile index 6a8f622927f2..aa4ba878533f 100644 --- a/drivers/input/mouse/Makefile +++ b/drivers/input/mouse/Makefile @@ -5,6 +5,7 @@ # Each configuration option enables a list of files. obj-$(CONFIG_MOUSE_AMIGA) += amimouse.o +obj-$(CONFIG_MOUSE_APPLETOUCH) += appletouch.o obj-$(CONFIG_MOUSE_ATARI) += atarimouse.o obj-$(CONFIG_MOUSE_RISCPC) += rpcmouse.o obj-$(CONFIG_MOUSE_INPORT) += inport.o diff --git a/drivers/input/mouse/appletouch.c b/drivers/input/mouse/appletouch.c new file mode 100644 index 000000000000..e3215267db11 --- /dev/null +++ b/drivers/input/mouse/appletouch.c @@ -0,0 +1,706 @@ +/* + * 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 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 +#include +#include +#include +#include +#include + +/* 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 + */ + 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); diff --git a/drivers/usb/input/Kconfig b/drivers/usb/input/Kconfig index 19228780ed84..4959dcf3cb4d 100644 --- a/drivers/usb/input/Kconfig +++ b/drivers/usb/input/Kconfig @@ -75,23 +75,3 @@ config USB_KEYSPAN_REMOTE To compile this driver as a module, choose M here: the module will be called keyspan_remote. - -config USB_APPLETOUCH - tristate "Apple USB Touchpad support" - depends on USB && INPUT - ---help--- - Say Y here if you want to use an Apple USB Touchpad. - - These are the touchpads that can be found on post-February 2005 - Apple Powerbooks (prior models have a Synaptics touchpad connected - to the ADB bus). - - This driver provides a basic mouse driver but can be interfaced - with the synaptics X11 driver to provide acceleration and - scrolling in X11. - - For further information, see - . - - To compile this driver as a module, choose M here: the - module will be called appletouch. diff --git a/drivers/usb/input/Makefile b/drivers/usb/input/Makefile index d2cbb0ec7963..91df130909e6 100644 --- a/drivers/usb/input/Makefile +++ b/drivers/usb/input/Makefile @@ -7,7 +7,6 @@ obj-$(CONFIG_USB_ATI_REMOTE2) += ati_remote2.o obj-$(CONFIG_USB_KEYSPAN_REMOTE) += keyspan_remote.o obj-$(CONFIG_USB_POWERMATE) += powermate.o obj-$(CONFIG_USB_YEALINK) += yealink.o -obj-$(CONFIG_USB_APPLETOUCH) += appletouch.o ifeq ($(CONFIG_USB_DEBUG),y) EXTRA_CFLAGS += -DDEBUG diff --git a/drivers/usb/input/appletouch.c b/drivers/usb/input/appletouch.c deleted file mode 100644 index e3215267db11..000000000000 --- 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 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 -#include -#include -#include -#include -#include - -/* 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 - */ - 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);