summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorpingc <pingc>2008-08-01 20:16:31 +0000
committerpingc <pingc>2008-08-01 20:16:31 +0000
commitd8142c4c2ebac44a8fb8159c69c564b7ee613e68 (patch)
tree5539f7a992f61ad7bf59c6d3fc1236357febd8bf
parent0d9ac7e31ab8fa3e2e4edc52665490ecb7649200 (diff)
downloadxf86-input-wacom-release-0.8.1-2.tar.gz
Added support to kernel 2.6.26release-0.8.1-2
-rwxr-xr-xsrc/2.6.26/Makefile.in44
-rwxr-xr-xsrc/2.6.26/wacom.h139
-rwxr-xr-xsrc/2.6.26/wacom_sys.c551
3 files changed, 734 insertions, 0 deletions
diff --git a/src/2.6.26/Makefile.in b/src/2.6.26/Makefile.in
new file mode 100755
index 0000000..eeb3b81
--- /dev/null
+++ b/src/2.6.26/Makefile.in
@@ -0,0 +1,44 @@
+############################ 2.6 kernel compile ###############################
+ifneq ($(KERNELRELEASE),)
+# We were called by kbuild
+# Do NOT indent stuff in this part! It has to be like this to make the
+# $(error ... ) stuff work
+
+ifeq ($(WCM_OPTION_WACOM),yes)
+ifneq ($(CONFIG_USB_WACOM),y)
+wacom-objs := wacom_wac.o wacom_sys.o
+obj-m += wacom.o
+else
+$(error You requested to build wacom with configure, but wacom is configured as built-in in your kernel config)
+endif # CONFIG_USB_WACOM
+endif # WCM_OPTION_WACOM
+
+else # We were called from command line
+PWD := $(shell pwd)
+
+WCM_KERNEL_DIR := @WCM_KERNEL_DIR@
+WCM_OPTION_WACOM := @WCM_OPTION_WACOM@
+
+export WCM_OPTION_WACOM
+
+all:
+# Copy Wacom specific code which is common to all kernel releases
+ifeq ($(WCM_OPTION_WACOM),yes)
+ cp -f ../2.6.19/wacom_wac.c .
+ cp -f ../2.6.22/wacom_wac.h .
+endif
+ @echo ' Building linuxwacom drivers for 2.6 kernel.'
+ @echo '***Note: Drivers not enabled as modules in your kernel config but requested through configure are NOT built'
+ $(MAKE) -C $(WCM_KERNEL_DIR) M=$(PWD)
+
+endif # End kbuild check
+
+######################### Version independent targets ##########################
+
+clean:
+ rm -rf *.o *.ko *.mod.* .[a-z]* core *.i
+
+EMPTY_AUTOMAKE_TARGETS = distdir install install-data install-exec uninstall install-info
+EMPTY_AUTOMAKE_TARGETS += installdirs check dvi pdf ps info html tags ctags mostlyclean distclean maintainer-clean
+.PHONY: $(EMPTY_AUTOMAKE_TARGETS)
+ $(EMPTY_AUTOMAKE_TARGETS):
diff --git a/src/2.6.26/wacom.h b/src/2.6.26/wacom.h
new file mode 100755
index 0000000..48fa684
--- /dev/null
+++ b/src/2.6.26/wacom.h
@@ -0,0 +1,139 @@
+/*
+ * drivers/input/tablet/wacom.h
+ *
+ * USB Wacom Graphire and Wacom Intuos tablet support
+ *
+ * Copyright (c) 2000-2004 Vojtech Pavlik <vojtech@ucw.cz>
+ * Copyright (c) 2000 Andreas Bach Aaen <abach@stofanet.dk>
+ * Copyright (c) 2000 Clifford Wolf <clifford@clifford.at>
+ * Copyright (c) 2000 Sam Mosel <sam.mosel@computer.org>
+ * Copyright (c) 2000 James E. Blair <corvus@gnu.org>
+ * Copyright (c) 2000 Daniel Egger <egger@suse.de>
+ * Copyright (c) 2001 Frederic Lepied <flepied@mandrakesoft.com>
+ * Copyright (c) 2004 Panagiotis Issaris <panagiotis.issaris@mech.kuleuven.ac.be>
+ * Copyright (c) 2002-2008 Ping Cheng <pingc@wacom.com>
+ *
+ * ChangeLog:
+ * v0.1 (vp) - Initial release
+ * v0.2 (aba) - Support for all buttons / combinations
+ * v0.3 (vp) - Support for Intuos added
+ * v0.4 (sm) - Support for more Intuos models, menustrip
+ * relative mode, proximity.
+ * v0.5 (vp) - Big cleanup, nifty features removed,
+ * they belong in userspace
+ * v1.8 (vp) - Submit URB only when operating, moved to CVS,
+ * use input_report_key instead of report_btn and
+ * other cleanups
+ * v1.11 (vp) - Add URB ->dev setting for new kernels
+ * v1.11 (jb) - Add support for the 4D Mouse & Lens
+ * v1.12 (de) - Add support for two more inking pen IDs
+ * v1.14 (vp) - Use new USB device id probing scheme.
+ * Fix Wacom Graphire mouse wheel
+ * v1.18 (vp) - Fix mouse wheel direction
+ * Make mouse relative
+ * v1.20 (fl) - Report tool id for Intuos devices
+ * - Multi tools support
+ * - Corrected Intuos protocol decoding (airbrush, 4D mouse, lens cursor...)
+ * - Add PL models support
+ * - Fix Wacom Graphire mouse wheel again
+ * v1.21 (vp) - Removed protocol descriptions
+ * - Added MISC_SERIAL for tool serial numbers
+ * (gb) - Identify version on module load.
+ * v1.21.1 (fl) - added Graphire2 support
+ * v1.21.2 (fl) - added Intuos2 support
+ * - added all the PL ids
+ * v1.21.3 (fl) - added another eraser id from Neil Okamoto
+ * - added smooth filter for Graphire from Peri Hankey
+ * - added PenPartner support from Olaf van Es
+ * - new tool ids from Ole Martin Bjoerndalen
+ * v1.29 (pc) - Add support for more tablets
+ * - Fix pressure reporting
+ * v1.30 (vp) - Merge 2.4 and 2.5 drivers
+ * - Since 2.5 now has input_sync(), remove MSC_SERIAL abuse
+ * - Cleanups here and there
+ * v1.30.1 (pi) - Added Graphire3 support
+ * v1.40 (pc) - Add support for several new devices, fix eraser reporting, ...
+ * v1.43 (pc) - Added support for Cintiq 21UX
+ * - Fixed a Graphire bug
+ * - Merged wacom_intuos3_irq into wacom_intuos_irq
+ * v1.44 (pc) - Added support for Graphire4, Cintiq 710, Intuos3 6x11, etc.
+ * - Report Device IDs
+ * v1.45 (pc) - Added support for DTF 521, Intuos3 12x12 and 12x19
+ * - Minor data report fix
+ * v1.46 (pc) - Split wacom.c into wacom_sys.c and wacom_wac.c,
+ * - where wacom_sys.c deals with system specific code,
+ * - and wacom_wac.c deals with Wacom specific code
+ * - Support Intuos3 4x6
+ * v1.47 (pc) - Added support for Bamboo
+ * v1.48 (pc) - Added support for Bamboo1, BambooFun, and Cintiq 12WX
+ * v1.49 (pc) - Added support for USB Tablet PC (0x90, 0x93, and 0x9A)
+ */
+
+/*
+ * 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.
+ */
+#ifndef WACOM_H
+#define WACOM_H
+#include <linux/kernel.h>
+#include <linux/slab.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/usb/input.h>
+#include <asm/unaligned.h>
+
+/*
+ * Version Information
+ */
+#define DRIVER_VERSION "v1.49"
+#define DRIVER_AUTHOR "Vojtech Pavlik <vojtech@ucw.cz>"
+#define DRIVER_DESC "USB Wacom Graphire and Wacom Intuos tablet driver"
+#define DRIVER_LICENSE "GPL"
+
+MODULE_AUTHOR(DRIVER_AUTHOR);
+MODULE_DESCRIPTION(DRIVER_DESC);
+MODULE_LICENSE(DRIVER_LICENSE);
+
+#define USB_VENDOR_ID_WACOM 0x056a
+
+struct wacom {
+ dma_addr_t data_dma;
+ struct input_dev *dev;
+ struct usb_device *usbdev;
+ struct usb_interface *intf;
+ struct urb *irq;
+ struct wacom_wac * wacom_wac;
+ struct mutex lock;
+ int open:1;
+ char phys[32];
+};
+
+struct wacom_combo {
+ struct wacom * wacom;
+ struct urb * urb;
+};
+
+extern int wacom_wac_irq(struct wacom_wac * wacom_wac, void * wcombo);
+extern void wacom_report_abs(void *wcombo, unsigned int abs_type, int abs_data);
+extern void wacom_report_rel(void *wcombo, unsigned int rel_type, int rel_data);
+extern void wacom_report_key(void *wcombo, unsigned int key_type, int key_data);
+extern void wacom_input_event(void *wcombo, unsigned int type, unsigned int code, int value);
+extern void wacom_input_sync(void *wcombo);
+extern void wacom_init_input_dev(struct input_dev *input_dev, struct wacom_wac *wacom_wac);
+extern void input_dev_g4(struct input_dev *input_dev, struct wacom_wac *wacom_wac);
+extern void input_dev_g(struct input_dev *input_dev, struct wacom_wac *wacom_wac);
+extern void input_dev_i3s(struct input_dev *input_dev, struct wacom_wac *wacom_wac);
+extern void input_dev_i3(struct input_dev *input_dev, struct wacom_wac *wacom_wac);
+extern void input_dev_i(struct input_dev *input_dev, struct wacom_wac *wacom_wac);
+extern void input_dev_pl(struct input_dev *input_dev, struct wacom_wac *wacom_wac);
+extern void input_dev_pt(struct input_dev *input_dev, struct wacom_wac *wacom_wac);
+extern void input_dev_mo(struct input_dev *input_dev, struct wacom_wac *wacom_wac);
+extern void input_dev_bee(struct input_dev *input_dev, struct wacom_wac *wacom_wac);
+extern __u16 wacom_le16_to_cpu(unsigned char *data);
+extern __u16 wacom_be16_to_cpu(unsigned char *data);
+extern struct wacom_features * get_wacom_feature(const struct usb_device_id *id);
+extern const struct usb_device_id * get_device_table(void);
+
+#endif
diff --git a/src/2.6.26/wacom_sys.c b/src/2.6.26/wacom_sys.c
new file mode 100755
index 0000000..0f8bc63
--- /dev/null
+++ b/src/2.6.26/wacom_sys.c
@@ -0,0 +1,551 @@
+/*
+ * drivers/input/tablet/wacom_sys.c
+ *
+ * USB Wacom Graphire and Wacom Intuos tablet support - system specific code
+ */
+
+/*
+ * 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.
+ */
+
+#include "wacom.h"
+#include "wacom_wac.h"
+
+/* defines to get HID report descriptor */
+#define HID_DEVICET_HID (USB_TYPE_CLASS | 0x01)
+#define HID_DEVICET_REPORT (USB_TYPE_CLASS | 0x02)
+#define HID_USAGE_PAGE 0x05
+#define HID_USAGE_PAGE_DIGITIZER 0x0d
+#define HID_USAGE_PAGE_DESKTOP 0x01
+#define HID_USAGE 0x09
+#define HID_USAGE_X 0x30
+#define HID_USAGE_Y 0x31
+#define HID_USAGE_X_TILT 0x3d
+#define HID_USAGE_Y_TILT 0x3e
+#define HID_USAGE_FINGER 0x22
+#define HID_USAGE_STYLUS 0x20
+#define HID_COLLECTION 0xc0
+#define HID_USAGE_PAGE_VDEFINED 0xff
+
+enum {
+ WCM_UNDEFINED = 0,
+ WCM_DESKTOP,
+ WCM_DIGITIZER,
+ MAX_USAGE_PAGE
+};
+
+struct hid_descriptor
+{
+ struct usb_descriptor_header header;
+ __le16 bcdHID;
+ u8 bCountryCode;
+ u8 bNumDescriptors;
+ u8 bDescriptorType;
+ __le16 wDescriptorLength;
+} __attribute__ ((packed));
+
+/* defines to get/set USB message */
+#define USB_REQ_GET_REPORT 0x01
+#define USB_REQ_SET_REPORT 0x09
+
+static int usb_get_report(struct usb_interface *intf, unsigned char type,
+ unsigned char id, void *buf, int size)
+{
+ return usb_control_msg(interface_to_usbdev(intf),
+ usb_rcvctrlpipe(interface_to_usbdev(intf), 0),
+ USB_REQ_GET_REPORT, USB_TYPE_CLASS | USB_RECIP_INTERFACE,
+ (type << 8) + id, intf->altsetting[0].desc.bInterfaceNumber,
+ buf, size, 100);
+}
+
+static int usb_set_report(struct usb_interface *intf, unsigned char type,
+ unsigned char id, void *buf, int size)
+{
+ return usb_control_msg(interface_to_usbdev(intf),
+ usb_sndctrlpipe(interface_to_usbdev(intf), 0),
+ USB_REQ_SET_REPORT, USB_TYPE_CLASS | USB_RECIP_INTERFACE,
+ (type << 8) + id, intf->altsetting[0].desc.bInterfaceNumber,
+ buf, size, 1000);
+}
+
+static struct input_dev * get_input_dev(struct wacom_combo *wcombo)
+{
+ return wcombo->wacom->dev;
+}
+
+static void wacom_sys_irq(struct urb *urb)
+{
+ struct wacom *wacom = urb->context;
+ struct wacom_combo wcombo;
+ int retval;
+
+ switch (urb->status) {
+ case 0:
+ /* success */
+ break;
+ 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;
+ }
+
+ wcombo.wacom = wacom;
+ wcombo.urb = urb;
+
+ if (wacom_wac_irq(wacom->wacom_wac, (void *)&wcombo))
+ input_sync(get_input_dev(&wcombo));
+
+ exit:
+ usb_mark_last_busy(wacom->usbdev);
+ retval = usb_submit_urb (urb, GFP_ATOMIC);
+ if (retval)
+ err ("%s - usb_submit_urb failed with result %d",
+ __FUNCTION__, retval);
+}
+
+void wacom_report_key(void *wcombo, unsigned int key_type, int key_data)
+{
+ input_report_key(get_input_dev((struct wacom_combo *)wcombo), key_type, key_data);
+ return;
+}
+
+void wacom_report_abs(void *wcombo, unsigned int abs_type, int abs_data)
+{
+ input_report_abs(get_input_dev((struct wacom_combo *)wcombo), abs_type, abs_data);
+ return;
+}
+
+void wacom_report_rel(void *wcombo, unsigned int rel_type, int rel_data)
+{
+ input_report_rel(get_input_dev((struct wacom_combo *)wcombo), rel_type, rel_data);
+ return;
+}
+
+void wacom_input_event(void *wcombo, unsigned int type, unsigned int code, int value)
+{
+ input_event(get_input_dev((struct wacom_combo *)wcombo), type, code, value);
+ return;
+}
+
+__u16 wacom_be16_to_cpu(unsigned char *data)
+{
+ __u16 value;
+ value = be16_to_cpu(*(__be16 *) data);
+ return value;
+}
+
+__u16 wacom_le16_to_cpu(unsigned char *data)
+{
+ __u16 value;
+ value = le16_to_cpu(*(__le16 *) data);
+ return value;
+}
+
+void wacom_input_sync(void *wcombo)
+{
+ input_sync(get_input_dev((struct wacom_combo *)wcombo));
+ return;
+}
+
+static int wacom_open(struct input_dev *dev)
+{
+ struct wacom *wacom = input_get_drvdata(dev);
+
+ mutex_lock(&wacom->lock);
+
+ wacom->irq->dev = wacom->usbdev;
+
+ if (usb_autopm_get_interface(wacom->intf) < 0) {
+ mutex_unlock(&wacom->lock);
+ return -EIO;
+ }
+
+ if (usb_submit_urb(wacom->irq, GFP_KERNEL)) {
+ usb_autopm_put_interface(wacom->intf);
+ mutex_unlock(&wacom->lock);
+ return -EIO;
+ }
+
+ wacom->open = 1;
+ wacom->intf->needs_remote_wakeup = 1;
+
+ mutex_unlock(&wacom->lock);
+ return 0;
+}
+
+static void wacom_close(struct input_dev *dev)
+{
+ struct wacom *wacom = input_get_drvdata(dev);
+
+ mutex_lock(&wacom->lock);
+ usb_kill_urb(wacom->irq);
+ wacom->open = 0;
+ wacom->intf->needs_remote_wakeup = 0;
+ mutex_unlock(&wacom->lock);
+}
+
+void input_dev_mo(struct input_dev *input_dev, struct wacom_wac *wacom_wac)
+{
+ input_dev->keybit[BIT_WORD(BTN_LEFT)] |= BIT_MASK(BTN_1) |
+ BIT_MASK(BTN_5);
+ input_set_abs_params(input_dev, ABS_WHEEL, 0, 71, 0, 0);
+}
+
+void input_dev_g4(struct input_dev *input_dev, struct wacom_wac *wacom_wac)
+{
+ input_dev->evbit[0] |= BIT_MASK(EV_MSC);
+ input_dev->mscbit[0] |= BIT_MASK(MSC_SERIAL);
+ input_dev->keybit[BIT_WORD(BTN_DIGI)] |= BIT_MASK(BTN_TOOL_FINGER);
+ input_dev->keybit[BIT_WORD(BTN_LEFT)] |= BIT_MASK(BTN_0) |
+ BIT_MASK(BTN_4);
+}
+
+void input_dev_g(struct input_dev *input_dev, struct wacom_wac *wacom_wac)
+{
+ input_dev->evbit[0] |= BIT_MASK(EV_REL);
+ input_dev->relbit[0] |= BIT_MASK(REL_WHEEL);
+ input_dev->keybit[BIT_WORD(BTN_LEFT)] |= BIT_MASK(BTN_LEFT) |
+ BIT_MASK(BTN_RIGHT) | BIT_MASK(BTN_MIDDLE);
+ input_dev->keybit[BIT_WORD(BTN_DIGI)] |= BIT_MASK(BTN_TOOL_RUBBER) |
+ BIT_MASK(BTN_TOOL_MOUSE) | BIT_MASK(BTN_STYLUS2);
+ input_set_abs_params(input_dev, ABS_DISTANCE, 0, wacom_wac->features->distance_max, 0, 0);
+}
+
+void input_dev_i3s(struct input_dev *input_dev, struct wacom_wac *wacom_wac)
+{
+ input_dev->keybit[BIT_WORD(BTN_DIGI)] |= BIT_MASK(BTN_TOOL_FINGER);
+ input_dev->keybit[BIT_WORD(BTN_LEFT)] |= BIT_MASK(BTN_0) |
+ BIT_MASK(BTN_1) | BIT_MASK(BTN_2) | BIT_MASK(BTN_3);
+ input_set_abs_params(input_dev, ABS_RX, 0, 4096, 0, 0);
+ input_set_abs_params(input_dev, ABS_Z, -900, 899, 0, 0);
+}
+
+void input_dev_i3(struct input_dev *input_dev, struct wacom_wac *wacom_wac)
+{
+ input_dev->keybit[BIT_WORD(BTN_LEFT)] |= BIT_MASK(BTN_4) |
+ BIT_MASK(BTN_5) | BIT_MASK(BTN_6) | BIT_MASK(BTN_7);
+ input_set_abs_params(input_dev, ABS_RY, 0, 4096, 0, 0);
+}
+
+void input_dev_bee(struct input_dev *input_dev, struct wacom_wac *wacom_wac)
+{
+ input_dev->keybit[BIT_WORD(BTN_LEFT)] |= BIT_MASK(BTN_8) | BIT_MASK(BTN_9);
+}
+
+void input_dev_i(struct input_dev *input_dev, struct wacom_wac *wacom_wac)
+{
+ input_dev->evbit[0] |= BIT_MASK(EV_MSC) | BIT_MASK(EV_REL);
+ input_dev->mscbit[0] |= BIT_MASK(MSC_SERIAL);
+ input_dev->relbit[0] |= BIT_MASK(REL_WHEEL);
+ input_dev->keybit[BIT_WORD(BTN_LEFT)] |= BIT_MASK(BTN_LEFT) |
+ BIT_MASK(BTN_RIGHT) | BIT_MASK(BTN_MIDDLE) |
+ BIT_MASK(BTN_SIDE) | BIT_MASK(BTN_EXTRA);
+ input_dev->keybit[BIT_WORD(BTN_DIGI)] |= BIT_MASK(BTN_TOOL_RUBBER) |
+ BIT_MASK(BTN_TOOL_MOUSE) | BIT_MASK(BTN_TOOL_BRUSH) |
+ BIT_MASK(BTN_TOOL_PENCIL) | BIT_MASK(BTN_TOOL_AIRBRUSH) |
+ BIT_MASK(BTN_TOOL_LENS) | BIT_MASK(BTN_STYLUS2);
+ input_set_abs_params(input_dev, ABS_DISTANCE, 0, wacom_wac->features->distance_max, 0, 0);
+ input_set_abs_params(input_dev, ABS_WHEEL, 0, 1023, 0, 0);
+ input_set_abs_params(input_dev, ABS_TILT_X, 0, 127, 0, 0);
+ input_set_abs_params(input_dev, ABS_TILT_Y, 0, 127, 0, 0);
+ input_set_abs_params(input_dev, ABS_RZ, -900, 899, 0, 0);
+ input_set_abs_params(input_dev, ABS_THROTTLE, -1023, 1023, 0, 0);
+}
+
+void input_dev_pl(struct input_dev *input_dev, struct wacom_wac *wacom_wac)
+{
+ input_dev->keybit[BIT_WORD(BTN_DIGI)] |= BIT_MASK(BTN_STYLUS2);
+}
+
+void input_dev_pt(struct input_dev *input_dev, struct wacom_wac *wacom_wac)
+{
+ input_dev->keybit[BIT_WORD(BTN_DIGI)] |= BIT_MASK(BTN_TOOL_RUBBER);
+}
+
+static void wacom_paser_hid(struct usb_interface *intf, struct hid_descriptor *hid_desc,
+ struct wacom_wac *wacom_wac, char *report)
+{
+ struct usb_device *dev = interface_to_usbdev(intf);
+ char limit = 0, result = 0;
+ int i = 0, usage = WCM_UNDEFINED, finger = 0, pen = 0;
+
+ /* retrive report descriptors */
+ do {
+ result = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0),
+ USB_REQ_GET_DESCRIPTOR,
+ USB_RECIP_INTERFACE | USB_DIR_IN,
+ HID_DEVICET_REPORT << 8,
+ intf->altsetting[0].desc.bInterfaceNumber, /* interface */
+ report,
+ hid_desc->wDescriptorLength,
+ 5000); /* 5 secs */
+ } while (limit++ < 5);
+
+ for (i=0; i<hid_desc->wDescriptorLength; i++) {
+ if ((unsigned short)report[i] == HID_USAGE_PAGE) {
+ switch ((unsigned short)report[i+1]) {
+ case HID_USAGE_PAGE_DIGITIZER:
+ usage = WCM_DIGITIZER;
+ i++;
+ continue;
+ case HID_USAGE_PAGE_DESKTOP:
+ usage = WCM_DESKTOP;
+ i++;
+ continue;
+ case HID_USAGE_PAGE_VDEFINED:
+ if (!report[i+3]) { /* capacity */
+ wacom_wac->features->pressure_max = (unsigned short)report[i+5];
+ }
+ i += 6;
+ continue;
+ }
+ }
+
+ if ((unsigned short)report[i] == HID_USAGE) {
+ switch ((unsigned short)report[i+1]) {
+ case HID_USAGE_X:
+ if (usage == WCM_DESKTOP) {
+ if (finger) {
+ wacom_wac->features->touch_x_max =
+ wacom_wac->features->touch_y_max = (unsigned short)
+ (wacom_le16_to_cpu(&report[i+3]));
+ wacom_wac->features->x_max = (unsigned short)
+ (wacom_le16_to_cpu(&report[i+6]));
+ i += 7;
+ } else if (pen) {
+ wacom_wac->features->x_max = (unsigned short)
+ (wacom_le16_to_cpu(&report[i+3]));
+ i += 4;
+ }
+ } else if (usage == WCM_DIGITIZER) {
+ /* max pressure isn't reported
+ wacom_wac->features->pressure_max = (unsigned short)
+ (report[i+4] << 8 | report[i+3]);
+ */
+ wacom_wac->features->pressure_max = 255;
+ i += 4;
+ }
+ break;
+ case HID_USAGE_Y:
+ if (usage == WCM_DESKTOP) {
+ wacom_wac->features->y_max = (unsigned short)
+ (wacom_le16_to_cpu(&report[i+3]));
+ }
+ i += 4;
+ break;
+ case HID_USAGE_FINGER:
+ finger = 1;
+ i++;
+ break;
+ case HID_USAGE_STYLUS:
+ pen = 1;
+ i++;
+ break;
+ }
+ }
+
+ if ((unsigned short)report[i] == HID_COLLECTION) {
+ /* reset UsagePage ans Finger */
+ finger = usage = 0;
+ }
+ }
+}
+
+static int wacom_probe(struct usb_interface *intf, const struct usb_device_id *id)
+{
+ struct usb_device *dev = interface_to_usbdev(intf);
+ struct usb_host_interface *interface = intf->cur_altsetting;
+ struct usb_endpoint_descriptor *endpoint;
+ struct wacom *wacom;
+ struct wacom_wac *wacom_wac;
+ struct input_dev *input_dev;
+ int error = -ENOMEM;
+ char rep_data[2], limit = 0, mode = 2, *report = NULL;
+ struct hid_descriptor *hid_desc;
+
+ wacom = kzalloc(sizeof(struct wacom), GFP_KERNEL);
+ wacom_wac = kzalloc(sizeof(struct wacom_wac), GFP_KERNEL);
+ input_dev = input_allocate_device();
+ if (!wacom || !input_dev || !wacom_wac)
+ goto fail1;
+
+ wacom_wac->data = usb_buffer_alloc(dev, 10, GFP_KERNEL, &wacom->data_dma);
+ if (!wacom_wac->data)
+ goto fail1;
+
+ wacom->irq = usb_alloc_urb(0, GFP_KERNEL);
+ if (!wacom->irq)
+ goto fail2;
+
+ wacom->usbdev = dev;
+ wacom->dev = input_dev;
+ wacom->intf = intf;
+ mutex_init(&wacom->lock);
+ usb_make_path(dev, wacom->phys, sizeof(wacom->phys));
+ strlcat(wacom->phys, "/input0", sizeof(wacom->phys));
+
+ wacom_wac->features = get_wacom_feature(id);
+ BUG_ON(wacom_wac->features->pktlen > 10);
+
+ input_dev->name = wacom_wac->features->name;
+ wacom->wacom_wac = wacom_wac;
+ usb_to_input_id(dev, &input_dev->id);
+
+ input_dev->dev.parent = &intf->dev;
+
+ input_set_drvdata(input_dev, wacom);
+
+ input_dev->open = wacom_open;
+ input_dev->close = wacom_close;
+
+ endpoint = &intf->cur_altsetting->endpoint[0].desc;
+
+ /* TabletPC need to retrieve the physical and logical maximum from report descriptor */
+ if (wacom_wac->features->type == TABLETPC) {
+ if (usb_get_extra_descriptor(interface, HID_DEVICET_HID, &hid_desc)) {
+ if (usb_get_extra_descriptor(&interface->endpoint[0],
+ HID_DEVICET_REPORT, &hid_desc)) {
+ printk("wacom: can not retrive extra class descriptor\n");
+ goto fail2;
+ }
+ }
+ report = kzalloc(hid_desc->wDescriptorLength, GFP_KERNEL);
+ if (!report) {
+ goto fail2;
+ }
+ wacom_paser_hid(intf, hid_desc, wacom_wac, report);
+ }
+
+ input_dev->evbit[0] |= BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
+ input_dev->keybit[BIT_WORD(BTN_DIGI)] |= BIT_MASK(BTN_TOOL_PEN) |
+ BIT_MASK(BTN_TOUCH) | BIT_MASK(BTN_STYLUS);
+ input_set_abs_params(input_dev, ABS_X, 0, wacom_wac->features->x_max, 4, 0);
+ input_set_abs_params(input_dev, ABS_Y, 0, wacom_wac->features->y_max, 4, 0);
+ input_set_abs_params(input_dev, ABS_PRESSURE, 0, wacom_wac->features->pressure_max, 0, 0);
+ if (wacom_wac->features->type == TABLETPC) {
+ input_set_abs_params(input_dev, ABS_RX, 0, wacom_wac->features->touch_x_max, 4, 0);
+ input_set_abs_params(input_dev, ABS_RY, 0, wacom_wac->features->touch_y_max, 4, 0);
+ }
+ input_dev->absbit[BIT_WORD(ABS_MISC)] |= BIT_MASK(ABS_MISC);
+
+ wacom_init_input_dev(input_dev, wacom_wac);
+
+ usb_fill_int_urb(wacom->irq, dev,
+ usb_rcvintpipe(dev, endpoint->bEndpointAddress),
+ wacom_wac->data, wacom_wac->features->pktlen,
+ wacom_sys_irq, wacom, endpoint->bInterval);
+ wacom->irq->transfer_dma = wacom->data_dma;
+ wacom->irq->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
+
+ error = input_register_device(wacom->dev);
+ if (error)
+ goto fail3;
+
+ /* TabletPC second bit 0 is stylus mode*/
+ if (wacom_wac->features->type == TABLETPC)
+ mode = 0;
+
+ /* Ask the tablet to report tablet data. Repeat until it succeeds */
+ do {
+ rep_data[0] = 2;
+ rep_data[1] = mode;
+ error = 0;
+ /* TabletPC doesn't need set report call */
+ if (wacom_wac->features->type != TABLETPC)
+ error = usb_set_report(intf, USB_DT_STRING, 2, rep_data, 2);
+ if(error >= 0)
+ error = usb_get_report(intf, USB_DT_STRING, 2, rep_data, 2);
+ } while (((error <= 0) || (rep_data[1] != mode)) && limit++ < 5);
+
+ usb_set_intfdata(intf, wacom);
+ kfree(report);
+ return 0;
+
+ fail3: usb_free_urb(wacom->irq);
+ fail2: usb_buffer_free(dev, 10, wacom_wac->data, wacom->data_dma);
+ fail1: input_free_device(input_dev);
+ kfree(wacom);
+ kfree(wacom_wac);
+ return error;
+}
+
+static void wacom_disconnect(struct usb_interface *intf)
+{
+ struct wacom *wacom = usb_get_intfdata(intf);
+
+ usb_set_intfdata(intf, NULL);
+
+ usb_kill_urb(wacom->irq);
+ input_unregister_device(wacom->dev);
+ usb_free_urb(wacom->irq);
+ usb_buffer_free(interface_to_usbdev(intf), 10, wacom->wacom_wac->data, wacom->data_dma);
+ kfree(wacom->wacom_wac);
+ kfree(wacom);
+}
+
+static int wacom_suspend(struct usb_interface *intf, pm_message_t message)
+{
+ struct wacom *wacom = usb_get_intfdata(intf);
+
+ mutex_lock(&wacom->lock);
+ usb_kill_urb(wacom->irq);
+ mutex_unlock(&wacom->lock);
+
+ return 0;
+}
+
+static int wacom_resume(struct usb_interface *intf)
+{
+ struct wacom *wacom = usb_get_intfdata(intf);
+ int rv;
+
+ mutex_lock(&wacom->lock);
+ if (wacom->open)
+ rv = usb_submit_urb(wacom->irq, GFP_NOIO);
+ else
+ rv = 0;
+ mutex_unlock(&wacom->lock);
+
+ return rv;
+}
+
+static int wacom_reset_resume(struct usb_interface *intf)
+{
+ return wacom_resume(intf);
+}
+
+static struct usb_driver wacom_driver = {
+ .name = "wacom",
+ .probe = wacom_probe,
+ .disconnect = wacom_disconnect,
+ .suspend = wacom_suspend,
+ .resume = wacom_resume,
+ .reset_resume = wacom_reset_resume,
+ .supports_autosuspend = 1,
+};
+
+static int __init wacom_init(void)
+{
+ int result;
+ wacom_driver.id_table = get_device_table();
+ result = usb_register(&wacom_driver);
+ if (result == 0)
+ info(DRIVER_VERSION ":" DRIVER_DESC);
+ return result;
+}
+
+static void __exit wacom_exit(void)
+{
+ usb_deregister(&wacom_driver);
+}
+
+module_init(wacom_init);
+module_exit(wacom_exit);