2 * drivers/input/tablet/wacom_sys.c
4 * USB Wacom tablet support - system specific code
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
14 #include "wacom_wac.h"
16 #include <linux/input/mt.h>
18 #define WAC_MSG_RETRIES 5
20 #define WAC_CMD_WL_LED_CONTROL 0x03
21 #define WAC_CMD_LED_CONTROL 0x20
22 #define WAC_CMD_ICON_START 0x21
23 #define WAC_CMD_ICON_XFER 0x23
24 #define WAC_CMD_ICON_BT_XFER 0x26
25 #define WAC_CMD_RETRIES 10
27 #define DEV_ATTR_RW_PERM (S_IRUGO | S_IWUSR | S_IWGRP)
28 #define DEV_ATTR_WO_PERM (S_IWUSR | S_IWGRP)
30 static int wacom_get_report(struct hid_device *hdev, u8 type, u8 *buf,
31 size_t size, unsigned int retries)
36 retval = hid_hw_raw_request(hdev, buf[0], buf, size, type,
38 } while ((retval == -ETIMEDOUT || retval == -EAGAIN) && --retries);
41 hid_err(hdev, "wacom_get_report: ran out of retries "
42 "(last error = %d)\n", retval);
47 static int wacom_set_report(struct hid_device *hdev, u8 type, u8 *buf,
48 size_t size, unsigned int retries)
53 retval = hid_hw_raw_request(hdev, buf[0], buf, size, type,
55 } while ((retval == -ETIMEDOUT || retval == -EAGAIN) && --retries);
58 hid_err(hdev, "wacom_set_report: ran out of retries "
59 "(last error = %d)\n", retval);
64 static int wacom_raw_event(struct hid_device *hdev, struct hid_report *report,
65 u8 *raw_data, int size)
67 struct wacom *wacom = hid_get_drvdata(hdev);
69 if (size > WACOM_PKGLEN_MAX)
72 memcpy(wacom->wacom_wac.data, raw_data, size);
74 wacom_wac_irq(&wacom->wacom_wac, size);
79 static int wacom_open(struct input_dev *dev)
81 struct wacom *wacom = input_get_drvdata(dev);
83 return hid_hw_open(wacom->hdev);
86 static void wacom_close(struct input_dev *dev)
88 struct wacom *wacom = input_get_drvdata(dev);
90 hid_hw_close(wacom->hdev);
94 * Calculate the resolution of the X or Y axis using hidinput_calc_abs_res.
96 static int wacom_calc_hid_res(int logical_extents, int physical_extents,
97 unsigned unit, int exponent)
99 struct hid_field field = {
100 .logical_maximum = logical_extents,
101 .physical_maximum = physical_extents,
103 .unit_exponent = exponent,
106 return hidinput_calc_abs_res(&field, ABS_X);
109 static void wacom_feature_mapping(struct hid_device *hdev,
110 struct hid_field *field, struct hid_usage *usage)
112 struct wacom *wacom = hid_get_drvdata(hdev);
113 struct wacom_features *features = &wacom->wacom_wac.features;
114 struct hid_data *hid_data = &wacom->wacom_wac.hid_data;
118 switch (usage->hid) {
119 case HID_DG_CONTACTMAX:
120 /* leave touch_max as is if predefined */
121 if (!features->touch_max) {
123 data = kzalloc(2, GFP_KERNEL);
126 data[0] = field->report->id;
127 ret = wacom_get_report(hdev, HID_FEATURE_REPORT,
128 data, 2, WAC_CMD_RETRIES);
130 features->touch_max = data[1];
132 features->touch_max = 16;
133 hid_warn(hdev, "wacom_feature_mapping: "
134 "could not get HID_DG_CONTACTMAX, "
135 "defaulting to %d\n",
136 features->touch_max);
141 case HID_DG_INPUTMODE:
142 /* Ignore if value index is out of bounds. */
143 if (usage->usage_index >= field->report_count) {
144 dev_err(&hdev->dev, "HID_DG_INPUTMODE out of range\n");
148 hid_data->inputmode = field->report->id;
149 hid_data->inputmode_index = usage->usage_index;
155 * Interface Descriptor of wacom devices can be incomplete and
156 * inconsistent so wacom_features table is used to store stylus
157 * device's packet lengths, various maximum values, and tablet
158 * resolution based on product ID's.
160 * For devices that contain 2 interfaces, wacom_features table is
161 * inaccurate for the touch interface. Since the Interface Descriptor
162 * for touch interfaces has pretty complete data, this function exists
163 * to query tablet for this missing information instead of hard coding in
164 * an additional table.
166 * A typical Interface Descriptor for a stylus will contain a
167 * boot mouse application collection that is not of interest and this
168 * function will ignore it.
170 * It also contains a digitizer application collection that also is not
171 * of interest since any information it contains would be duplicate
172 * of what is in wacom_features. Usually it defines a report of an array
173 * of bytes that could be used as max length of the stylus packet returned.
174 * If it happens to define a Digitizer-Stylus Physical Collection then
175 * the X and Y logical values contain valid data but it is ignored.
177 * A typical Interface Descriptor for a touch interface will contain a
178 * Digitizer-Finger Physical Collection which will define both logical
179 * X/Y maximum as well as the physical size of tablet. Since touch
180 * interfaces haven't supported pressure or distance, this is enough
181 * information to override invalid values in the wacom_features table.
183 * Intuos5 touch interface and 3rd gen Bamboo Touch do not contain useful
184 * data. We deal with them after returning from this function.
186 static void wacom_usage_mapping(struct hid_device *hdev,
187 struct hid_field *field, struct hid_usage *usage)
189 struct wacom *wacom = hid_get_drvdata(hdev);
190 struct wacom_features *features = &wacom->wacom_wac.features;
191 bool finger = WACOM_FINGER_FIELD(field);
192 bool pen = WACOM_PEN_FIELD(field);
195 * Requiring Stylus Usage will ignore boot mouse
196 * X/Y values and some cases of invalid Digitizer X/Y
197 * values commonly reported.
200 features->device_type |= WACOM_DEVICETYPE_PEN;
202 features->device_type |= WACOM_DEVICETYPE_TOUCH;
207 * Bamboo models do not support HID_DG_CONTACTMAX.
208 * And, Bamboo Pen only descriptor contains touch.
210 if (features->type != BAMBOO_PT) {
211 /* ISDv4 touch devices at least supports one touch point */
212 if (finger && !features->touch_max)
213 features->touch_max = 1;
216 switch (usage->hid) {
218 features->x_max = field->logical_maximum;
220 features->x_phy = field->physical_maximum;
221 if (features->type != BAMBOO_PT) {
222 features->unit = field->unit;
223 features->unitExpo = field->unit_exponent;
228 features->y_max = field->logical_maximum;
230 features->y_phy = field->physical_maximum;
231 if (features->type != BAMBOO_PT) {
232 features->unit = field->unit;
233 features->unitExpo = field->unit_exponent;
237 case HID_DG_TIPPRESSURE:
239 features->pressure_max = field->logical_maximum;
243 if (features->type == HID_GENERIC)
244 wacom_wac_usage_mapping(hdev, field, usage);
247 static void wacom_post_parse_hid(struct hid_device *hdev,
248 struct wacom_features *features)
250 struct wacom *wacom = hid_get_drvdata(hdev);
251 struct wacom_wac *wacom_wac = &wacom->wacom_wac;
253 if (features->type == HID_GENERIC) {
254 /* Any last-minute generic device setup */
255 if (features->touch_max > 1) {
256 input_mt_init_slots(wacom_wac->touch_input, wacom_wac->features.touch_max,
262 static void wacom_parse_hid(struct hid_device *hdev,
263 struct wacom_features *features)
265 struct hid_report_enum *rep_enum;
266 struct hid_report *hreport;
269 /* check features first */
270 rep_enum = &hdev->report_enum[HID_FEATURE_REPORT];
271 list_for_each_entry(hreport, &rep_enum->report_list, list) {
272 for (i = 0; i < hreport->maxfield; i++) {
273 /* Ignore if report count is out of bounds. */
274 if (hreport->field[i]->report_count < 1)
277 for (j = 0; j < hreport->field[i]->maxusage; j++) {
278 wacom_feature_mapping(hdev, hreport->field[i],
279 hreport->field[i]->usage + j);
284 /* now check the input usages */
285 rep_enum = &hdev->report_enum[HID_INPUT_REPORT];
286 list_for_each_entry(hreport, &rep_enum->report_list, list) {
288 if (!hreport->maxfield)
291 for (i = 0; i < hreport->maxfield; i++)
292 for (j = 0; j < hreport->field[i]->maxusage; j++)
293 wacom_usage_mapping(hdev, hreport->field[i],
294 hreport->field[i]->usage + j);
297 wacom_post_parse_hid(hdev, features);
300 static int wacom_hid_set_device_mode(struct hid_device *hdev)
302 struct wacom *wacom = hid_get_drvdata(hdev);
303 struct hid_data *hid_data = &wacom->wacom_wac.hid_data;
304 struct hid_report *r;
305 struct hid_report_enum *re;
307 if (hid_data->inputmode < 0)
310 re = &(hdev->report_enum[HID_FEATURE_REPORT]);
311 r = re->report_id_hash[hid_data->inputmode];
313 r->field[0]->value[hid_data->inputmode_index] = 2;
314 hid_hw_request(hdev, r, HID_REQ_SET_REPORT);
319 static int wacom_set_device_mode(struct hid_device *hdev, int report_id,
320 int length, int mode)
322 unsigned char *rep_data;
323 int error = -ENOMEM, limit = 0;
325 rep_data = kzalloc(length, GFP_KERNEL);
330 rep_data[0] = report_id;
333 error = wacom_set_report(hdev, HID_FEATURE_REPORT, rep_data,
336 error = wacom_get_report(hdev, HID_FEATURE_REPORT,
337 rep_data, length, 1);
338 } while ((error < 0 || rep_data[1] != mode) && limit++ < WAC_MSG_RETRIES);
342 return error < 0 ? error : 0;
345 static int wacom_bt_query_tablet_data(struct hid_device *hdev, u8 speed,
346 struct wacom_features *features)
348 struct wacom *wacom = hid_get_drvdata(hdev);
352 switch (features->type) {
356 ret = wacom_set_report(hdev, HID_FEATURE_REPORT, rep_data, 2,
360 rep_data[0] = speed == 0 ? 0x05 : 0x06;
363 ret = wacom_set_report(hdev, HID_FEATURE_REPORT,
367 wacom->wacom_wac.bt_high_speed = speed;
373 * Note that if the raw queries fail, it's not a hard failure
374 * and it is safe to continue
376 hid_warn(hdev, "failed to poke device, command %d, err %d\n",
381 wacom->wacom_wac.bt_features &= ~0x20;
383 wacom->wacom_wac.bt_features |= 0x20;
386 rep_data[1] = wacom->wacom_wac.bt_features;
388 ret = wacom_set_report(hdev, HID_FEATURE_REPORT, rep_data, 2,
391 wacom->wacom_wac.bt_high_speed = speed;
399 * Switch the tablet into its most-capable mode. Wacom tablets are
400 * typically configured to power-up in a mode which sends mouse-like
401 * reports to the OS. To get absolute position, pressure data, etc.
402 * from the tablet, it is necessary to switch the tablet out of this
403 * mode and into one which sends the full range of tablet data.
405 static int wacom_query_tablet_data(struct hid_device *hdev,
406 struct wacom_features *features)
408 if (hdev->bus == BUS_BLUETOOTH)
409 return wacom_bt_query_tablet_data(hdev, 1, features);
411 if (features->type == HID_GENERIC)
412 return wacom_hid_set_device_mode(hdev);
414 if (features->device_type & WACOM_DEVICETYPE_TOUCH) {
415 if (features->type > TABLETPC) {
416 /* MT Tablet PC touch */
417 return wacom_set_device_mode(hdev, 3, 4, 4);
419 else if (features->type == WACOM_24HDT || features->type == CINTIQ_HYBRID) {
420 return wacom_set_device_mode(hdev, 18, 3, 2);
422 else if (features->type == WACOM_27QHDT) {
423 return wacom_set_device_mode(hdev, 131, 3, 2);
425 else if (features->type == BAMBOO_PAD) {
426 return wacom_set_device_mode(hdev, 2, 2, 2);
428 } else if (features->device_type & WACOM_DEVICETYPE_PEN) {
429 if (features->type <= BAMBOO_PT && features->type != WIRELESS) {
430 return wacom_set_device_mode(hdev, 2, 2, 2);
437 static void wacom_retrieve_hid_descriptor(struct hid_device *hdev,
438 struct wacom_features *features)
440 struct wacom *wacom = hid_get_drvdata(hdev);
441 struct usb_interface *intf = wacom->intf;
443 /* default features */
444 features->x_fuzz = 4;
445 features->y_fuzz = 4;
446 features->pressure_fuzz = 0;
447 features->distance_fuzz = 0;
450 * The wireless device HID is basic and layout conflicts with
451 * other tablets (monitor and touch interface can look like pen).
452 * Skip the query for this type and modify defaults based on
455 if (features->type == WIRELESS) {
456 if (intf->cur_altsetting->desc.bInterfaceNumber == 0) {
457 features->device_type = WACOM_DEVICETYPE_WL_MONITOR;
458 } else if (intf->cur_altsetting->desc.bInterfaceNumber == 2) {
459 features->device_type |= WACOM_DEVICETYPE_TOUCH;
463 wacom_parse_hid(hdev, features);
466 struct wacom_hdev_data {
467 struct list_head list;
469 struct hid_device *dev;
470 struct wacom_shared shared;
473 static LIST_HEAD(wacom_udev_list);
474 static DEFINE_MUTEX(wacom_udev_list_lock);
476 static bool wacom_are_sibling(struct hid_device *hdev,
477 struct hid_device *sibling)
479 struct wacom *wacom = hid_get_drvdata(hdev);
480 struct wacom_features *features = &wacom->wacom_wac.features;
481 int vid = features->oVid;
482 int pid = features->oPid;
485 if (vid == 0 && pid == 0) {
490 if (vid != sibling->vendor || pid != sibling->product)
493 /* Compare the physical path. */
494 n1 = strrchr(hdev->phys, '.') - hdev->phys;
495 n2 = strrchr(sibling->phys, '.') - sibling->phys;
496 if (n1 != n2 || n1 <= 0 || n2 <= 0)
499 return !strncmp(hdev->phys, sibling->phys, n1);
502 static struct wacom_hdev_data *wacom_get_hdev_data(struct hid_device *hdev)
504 struct wacom_hdev_data *data;
506 list_for_each_entry(data, &wacom_udev_list, list) {
507 if (wacom_are_sibling(hdev, data->dev)) {
508 kref_get(&data->kref);
516 static int wacom_add_shared_data(struct hid_device *hdev)
518 struct wacom *wacom = hid_get_drvdata(hdev);
519 struct wacom_wac *wacom_wac = &wacom->wacom_wac;
520 struct wacom_hdev_data *data;
523 mutex_lock(&wacom_udev_list_lock);
525 data = wacom_get_hdev_data(hdev);
527 data = kzalloc(sizeof(struct wacom_hdev_data), GFP_KERNEL);
533 kref_init(&data->kref);
535 list_add_tail(&data->list, &wacom_udev_list);
538 wacom_wac->shared = &data->shared;
540 if (wacom_wac->features.device_type & WACOM_DEVICETYPE_TOUCH)
541 wacom_wac->shared->touch = hdev;
542 else if (wacom_wac->features.device_type & WACOM_DEVICETYPE_PEN)
543 wacom_wac->shared->pen = hdev;
546 mutex_unlock(&wacom_udev_list_lock);
550 static void wacom_release_shared_data(struct kref *kref)
552 struct wacom_hdev_data *data =
553 container_of(kref, struct wacom_hdev_data, kref);
555 mutex_lock(&wacom_udev_list_lock);
556 list_del(&data->list);
557 mutex_unlock(&wacom_udev_list_lock);
562 static void wacom_remove_shared_data(struct wacom *wacom)
564 struct wacom_hdev_data *data;
565 struct wacom_wac *wacom_wac = &wacom->wacom_wac;
567 if (wacom_wac->shared) {
568 data = container_of(wacom_wac->shared, struct wacom_hdev_data,
571 if (wacom_wac->shared->touch == wacom->hdev)
572 wacom_wac->shared->touch = NULL;
573 else if (wacom_wac->shared->pen == wacom->hdev)
574 wacom_wac->shared->pen = NULL;
576 kref_put(&data->kref, wacom_release_shared_data);
577 wacom_wac->shared = NULL;
581 static int wacom_led_control(struct wacom *wacom)
585 unsigned char report_id = WAC_CMD_LED_CONTROL;
588 if (wacom->wacom_wac.pid) { /* wireless connected */
589 report_id = WAC_CMD_WL_LED_CONTROL;
592 buf = kzalloc(buf_size, GFP_KERNEL);
596 if (wacom->wacom_wac.features.type >= INTUOS5S &&
597 wacom->wacom_wac.features.type <= INTUOSPL) {
599 * Touch Ring and crop mark LED luminance may take on
600 * one of four values:
601 * 0 = Low; 1 = Medium; 2 = High; 3 = Off
603 int ring_led = wacom->led.select[0] & 0x03;
604 int ring_lum = (((wacom->led.llv & 0x60) >> 5) - 1) & 0x03;
606 unsigned char led_bits = (crop_lum << 4) | (ring_lum << 2) | (ring_led);
609 if (wacom->wacom_wac.pid) {
610 wacom_get_report(wacom->hdev, HID_FEATURE_REPORT,
611 buf, buf_size, WAC_CMD_RETRIES);
618 int led = wacom->led.select[0] | 0x4;
620 if (wacom->wacom_wac.features.type == WACOM_21UX2 ||
621 wacom->wacom_wac.features.type == WACOM_24HD)
622 led |= (wacom->led.select[1] << 4) | 0x40;
626 buf[2] = wacom->led.llv;
627 buf[3] = wacom->led.hlv;
628 buf[4] = wacom->led.img_lum;
631 retval = wacom_set_report(wacom->hdev, HID_FEATURE_REPORT, buf, buf_size,
638 static int wacom_led_putimage(struct wacom *wacom, int button_id, u8 xfer_id,
639 const unsigned len, const void *img)
643 const unsigned chunk_len = len / 4; /* 4 chunks are needed to be sent */
645 buf = kzalloc(chunk_len + 3 , GFP_KERNEL);
649 /* Send 'start' command */
650 buf[0] = WAC_CMD_ICON_START;
652 retval = wacom_set_report(wacom->hdev, HID_FEATURE_REPORT, buf, 2,
658 buf[1] = button_id & 0x07;
659 for (i = 0; i < 4; i++) {
661 memcpy(buf + 3, img + i * chunk_len, chunk_len);
663 retval = wacom_set_report(wacom->hdev, HID_FEATURE_REPORT,
664 buf, chunk_len + 3, WAC_CMD_RETRIES);
670 buf[0] = WAC_CMD_ICON_START;
672 wacom_set_report(wacom->hdev, HID_FEATURE_REPORT, buf, 2,
680 static ssize_t wacom_led_select_store(struct device *dev, int set_id,
681 const char *buf, size_t count)
683 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
684 struct wacom *wacom = hid_get_drvdata(hdev);
688 err = kstrtouint(buf, 10, &id);
692 mutex_lock(&wacom->lock);
694 wacom->led.select[set_id] = id & 0x3;
695 err = wacom_led_control(wacom);
697 mutex_unlock(&wacom->lock);
699 return err < 0 ? err : count;
702 #define DEVICE_LED_SELECT_ATTR(SET_ID) \
703 static ssize_t wacom_led##SET_ID##_select_store(struct device *dev, \
704 struct device_attribute *attr, const char *buf, size_t count) \
706 return wacom_led_select_store(dev, SET_ID, buf, count); \
708 static ssize_t wacom_led##SET_ID##_select_show(struct device *dev, \
709 struct device_attribute *attr, char *buf) \
711 struct hid_device *hdev = container_of(dev, struct hid_device, dev);\
712 struct wacom *wacom = hid_get_drvdata(hdev); \
713 return scnprintf(buf, PAGE_SIZE, "%d\n", \
714 wacom->led.select[SET_ID]); \
716 static DEVICE_ATTR(status_led##SET_ID##_select, DEV_ATTR_RW_PERM, \
717 wacom_led##SET_ID##_select_show, \
718 wacom_led##SET_ID##_select_store)
720 DEVICE_LED_SELECT_ATTR(0);
721 DEVICE_LED_SELECT_ATTR(1);
723 static ssize_t wacom_luminance_store(struct wacom *wacom, u8 *dest,
724 const char *buf, size_t count)
729 err = kstrtouint(buf, 10, &value);
733 mutex_lock(&wacom->lock);
735 *dest = value & 0x7f;
736 err = wacom_led_control(wacom);
738 mutex_unlock(&wacom->lock);
740 return err < 0 ? err : count;
743 #define DEVICE_LUMINANCE_ATTR(name, field) \
744 static ssize_t wacom_##name##_luminance_store(struct device *dev, \
745 struct device_attribute *attr, const char *buf, size_t count) \
747 struct hid_device *hdev = container_of(dev, struct hid_device, dev);\
748 struct wacom *wacom = hid_get_drvdata(hdev); \
750 return wacom_luminance_store(wacom, &wacom->led.field, \
753 static ssize_t wacom_##name##_luminance_show(struct device *dev, \
754 struct device_attribute *attr, char *buf) \
756 struct wacom *wacom = dev_get_drvdata(dev); \
757 return scnprintf(buf, PAGE_SIZE, "%d\n", wacom->led.field); \
759 static DEVICE_ATTR(name##_luminance, DEV_ATTR_RW_PERM, \
760 wacom_##name##_luminance_show, \
761 wacom_##name##_luminance_store)
763 DEVICE_LUMINANCE_ATTR(status0, llv);
764 DEVICE_LUMINANCE_ATTR(status1, hlv);
765 DEVICE_LUMINANCE_ATTR(buttons, img_lum);
767 static ssize_t wacom_button_image_store(struct device *dev, int button_id,
768 const char *buf, size_t count)
770 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
771 struct wacom *wacom = hid_get_drvdata(hdev);
776 if (hdev->bus == BUS_BLUETOOTH) {
778 xfer_id = WAC_CMD_ICON_BT_XFER;
781 xfer_id = WAC_CMD_ICON_XFER;
787 mutex_lock(&wacom->lock);
789 err = wacom_led_putimage(wacom, button_id, xfer_id, len, buf);
791 mutex_unlock(&wacom->lock);
793 return err < 0 ? err : count;
796 #define DEVICE_BTNIMG_ATTR(BUTTON_ID) \
797 static ssize_t wacom_btnimg##BUTTON_ID##_store(struct device *dev, \
798 struct device_attribute *attr, const char *buf, size_t count) \
800 return wacom_button_image_store(dev, BUTTON_ID, buf, count); \
802 static DEVICE_ATTR(button##BUTTON_ID##_rawimg, DEV_ATTR_WO_PERM, \
803 NULL, wacom_btnimg##BUTTON_ID##_store)
805 DEVICE_BTNIMG_ATTR(0);
806 DEVICE_BTNIMG_ATTR(1);
807 DEVICE_BTNIMG_ATTR(2);
808 DEVICE_BTNIMG_ATTR(3);
809 DEVICE_BTNIMG_ATTR(4);
810 DEVICE_BTNIMG_ATTR(5);
811 DEVICE_BTNIMG_ATTR(6);
812 DEVICE_BTNIMG_ATTR(7);
814 static struct attribute *cintiq_led_attrs[] = {
815 &dev_attr_status_led0_select.attr,
816 &dev_attr_status_led1_select.attr,
820 static struct attribute_group cintiq_led_attr_group = {
822 .attrs = cintiq_led_attrs,
825 static struct attribute *intuos4_led_attrs[] = {
826 &dev_attr_status0_luminance.attr,
827 &dev_attr_status1_luminance.attr,
828 &dev_attr_status_led0_select.attr,
829 &dev_attr_buttons_luminance.attr,
830 &dev_attr_button0_rawimg.attr,
831 &dev_attr_button1_rawimg.attr,
832 &dev_attr_button2_rawimg.attr,
833 &dev_attr_button3_rawimg.attr,
834 &dev_attr_button4_rawimg.attr,
835 &dev_attr_button5_rawimg.attr,
836 &dev_attr_button6_rawimg.attr,
837 &dev_attr_button7_rawimg.attr,
841 static struct attribute_group intuos4_led_attr_group = {
843 .attrs = intuos4_led_attrs,
846 static struct attribute *intuos5_led_attrs[] = {
847 &dev_attr_status0_luminance.attr,
848 &dev_attr_status_led0_select.attr,
852 static struct attribute_group intuos5_led_attr_group = {
854 .attrs = intuos5_led_attrs,
857 static int wacom_initialize_leds(struct wacom *wacom)
861 if (!(wacom->wacom_wac.features.device_type & WACOM_DEVICETYPE_PAD))
864 /* Initialize default values */
865 switch (wacom->wacom_wac.features.type) {
870 wacom->led.select[0] = 0;
871 wacom->led.select[1] = 0;
874 wacom->led.img_lum = 10;
875 error = sysfs_create_group(&wacom->hdev->dev.kobj,
876 &intuos4_led_attr_group);
881 wacom->led.select[0] = 0;
882 wacom->led.select[1] = 0;
885 wacom->led.img_lum = 0;
887 error = sysfs_create_group(&wacom->hdev->dev.kobj,
888 &cintiq_led_attr_group);
897 wacom->led.select[0] = 0;
898 wacom->led.select[1] = 0;
901 wacom->led.img_lum = 0;
903 error = sysfs_create_group(&wacom->hdev->dev.kobj,
904 &intuos5_led_attr_group);
913 "cannot create sysfs group err: %d\n", error);
916 wacom_led_control(wacom);
917 wacom->led_initialized = true;
922 static void wacom_destroy_leds(struct wacom *wacom)
924 if (!wacom->led_initialized)
927 if (!(wacom->wacom_wac.features.device_type & WACOM_DEVICETYPE_PAD))
930 wacom->led_initialized = false;
932 switch (wacom->wacom_wac.features.type) {
937 sysfs_remove_group(&wacom->hdev->dev.kobj,
938 &intuos4_led_attr_group);
943 sysfs_remove_group(&wacom->hdev->dev.kobj,
944 &cintiq_led_attr_group);
953 sysfs_remove_group(&wacom->hdev->dev.kobj,
954 &intuos5_led_attr_group);
959 static enum power_supply_property wacom_battery_props[] = {
960 POWER_SUPPLY_PROP_PRESENT,
961 POWER_SUPPLY_PROP_STATUS,
962 POWER_SUPPLY_PROP_SCOPE,
963 POWER_SUPPLY_PROP_CAPACITY
966 static enum power_supply_property wacom_ac_props[] = {
967 POWER_SUPPLY_PROP_PRESENT,
968 POWER_SUPPLY_PROP_ONLINE,
969 POWER_SUPPLY_PROP_SCOPE,
972 static int wacom_battery_get_property(struct power_supply *psy,
973 enum power_supply_property psp,
974 union power_supply_propval *val)
976 struct wacom *wacom = power_supply_get_drvdata(psy);
980 case POWER_SUPPLY_PROP_PRESENT:
981 val->intval = wacom->wacom_wac.bat_connected;
983 case POWER_SUPPLY_PROP_SCOPE:
984 val->intval = POWER_SUPPLY_SCOPE_DEVICE;
986 case POWER_SUPPLY_PROP_CAPACITY:
988 wacom->wacom_wac.battery_capacity;
990 case POWER_SUPPLY_PROP_STATUS:
991 if (wacom->wacom_wac.bat_charging)
992 val->intval = POWER_SUPPLY_STATUS_CHARGING;
993 else if (wacom->wacom_wac.battery_capacity == 100 &&
994 wacom->wacom_wac.ps_connected)
995 val->intval = POWER_SUPPLY_STATUS_FULL;
996 else if (wacom->wacom_wac.ps_connected)
997 val->intval = POWER_SUPPLY_STATUS_NOT_CHARGING;
999 val->intval = POWER_SUPPLY_STATUS_DISCHARGING;
1009 static int wacom_ac_get_property(struct power_supply *psy,
1010 enum power_supply_property psp,
1011 union power_supply_propval *val)
1013 struct wacom *wacom = power_supply_get_drvdata(psy);
1017 case POWER_SUPPLY_PROP_PRESENT:
1019 case POWER_SUPPLY_PROP_ONLINE:
1020 val->intval = wacom->wacom_wac.ps_connected;
1022 case POWER_SUPPLY_PROP_SCOPE:
1023 val->intval = POWER_SUPPLY_SCOPE_DEVICE;
1032 static int wacom_initialize_battery(struct wacom *wacom)
1034 static atomic_t battery_no = ATOMIC_INIT(0);
1035 struct power_supply_config psy_cfg = { .drv_data = wacom, };
1038 if (wacom->wacom_wac.features.quirks & WACOM_QUIRK_BATTERY) {
1039 struct power_supply_desc *bat_desc = &wacom->battery_desc;
1040 struct power_supply_desc *ac_desc = &wacom->ac_desc;
1041 n = atomic_inc_return(&battery_no) - 1;
1043 bat_desc->properties = wacom_battery_props;
1044 bat_desc->num_properties = ARRAY_SIZE(wacom_battery_props);
1045 bat_desc->get_property = wacom_battery_get_property;
1046 sprintf(wacom->wacom_wac.bat_name, "wacom_battery_%ld", n);
1047 bat_desc->name = wacom->wacom_wac.bat_name;
1048 bat_desc->type = POWER_SUPPLY_TYPE_BATTERY;
1049 bat_desc->use_for_apm = 0;
1051 ac_desc->properties = wacom_ac_props;
1052 ac_desc->num_properties = ARRAY_SIZE(wacom_ac_props);
1053 ac_desc->get_property = wacom_ac_get_property;
1054 sprintf(wacom->wacom_wac.ac_name, "wacom_ac_%ld", n);
1055 ac_desc->name = wacom->wacom_wac.ac_name;
1056 ac_desc->type = POWER_SUPPLY_TYPE_MAINS;
1057 ac_desc->use_for_apm = 0;
1059 wacom->battery = power_supply_register(&wacom->hdev->dev,
1060 &wacom->battery_desc, &psy_cfg);
1061 if (IS_ERR(wacom->battery))
1062 return PTR_ERR(wacom->battery);
1064 power_supply_powers(wacom->battery, &wacom->hdev->dev);
1066 wacom->ac = power_supply_register(&wacom->hdev->dev,
1069 if (IS_ERR(wacom->ac)) {
1070 power_supply_unregister(wacom->battery);
1071 return PTR_ERR(wacom->ac);
1074 power_supply_powers(wacom->ac, &wacom->hdev->dev);
1080 static void wacom_destroy_battery(struct wacom *wacom)
1082 if (wacom->battery) {
1083 power_supply_unregister(wacom->battery);
1084 wacom->battery = NULL;
1085 power_supply_unregister(wacom->ac);
1090 static ssize_t wacom_show_speed(struct device *dev,
1091 struct device_attribute
1094 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
1095 struct wacom *wacom = hid_get_drvdata(hdev);
1097 return snprintf(buf, PAGE_SIZE, "%i\n", wacom->wacom_wac.bt_high_speed);
1100 static ssize_t wacom_store_speed(struct device *dev,
1101 struct device_attribute *attr,
1102 const char *buf, size_t count)
1104 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
1105 struct wacom *wacom = hid_get_drvdata(hdev);
1108 if (kstrtou8(buf, 0, &new_speed))
1111 if (new_speed != 0 && new_speed != 1)
1114 wacom_bt_query_tablet_data(hdev, new_speed, &wacom->wacom_wac.features);
1119 static DEVICE_ATTR(speed, DEV_ATTR_RW_PERM,
1120 wacom_show_speed, wacom_store_speed);
1122 static struct input_dev *wacom_allocate_input(struct wacom *wacom)
1124 struct input_dev *input_dev;
1125 struct hid_device *hdev = wacom->hdev;
1126 struct wacom_wac *wacom_wac = &(wacom->wacom_wac);
1128 input_dev = input_allocate_device();
1132 input_dev->name = wacom_wac->features.name;
1133 input_dev->phys = hdev->phys;
1134 input_dev->dev.parent = &hdev->dev;
1135 input_dev->open = wacom_open;
1136 input_dev->close = wacom_close;
1137 input_dev->uniq = hdev->uniq;
1138 input_dev->id.bustype = hdev->bus;
1139 input_dev->id.vendor = hdev->vendor;
1140 input_dev->id.product = wacom_wac->pid ? wacom_wac->pid : hdev->product;
1141 input_dev->id.version = hdev->version;
1142 input_set_drvdata(input_dev, wacom);
1147 static void wacom_clean_inputs(struct wacom *wacom)
1149 if (wacom->wacom_wac.pen_input) {
1150 if (wacom->wacom_wac.pen_registered)
1151 input_unregister_device(wacom->wacom_wac.pen_input);
1153 input_free_device(wacom->wacom_wac.pen_input);
1155 if (wacom->wacom_wac.touch_input) {
1156 if (wacom->wacom_wac.touch_registered)
1157 input_unregister_device(wacom->wacom_wac.touch_input);
1159 input_free_device(wacom->wacom_wac.touch_input);
1161 if (wacom->wacom_wac.pad_input) {
1162 if (wacom->wacom_wac.pad_registered)
1163 input_unregister_device(wacom->wacom_wac.pad_input);
1165 input_free_device(wacom->wacom_wac.pad_input);
1167 wacom->wacom_wac.pen_input = NULL;
1168 wacom->wacom_wac.touch_input = NULL;
1169 wacom->wacom_wac.pad_input = NULL;
1170 wacom_destroy_leds(wacom);
1173 static int wacom_allocate_inputs(struct wacom *wacom)
1175 struct wacom_wac *wacom_wac = &(wacom->wacom_wac);
1177 wacom_wac->pen_input = wacom_allocate_input(wacom);
1178 wacom_wac->touch_input = wacom_allocate_input(wacom);
1179 wacom_wac->pad_input = wacom_allocate_input(wacom);
1180 if (!wacom_wac->pen_input || !wacom_wac->touch_input || !wacom_wac->pad_input) {
1181 wacom_clean_inputs(wacom);
1185 wacom_wac->pen_input->name = wacom_wac->pen_name;
1186 wacom_wac->touch_input->name = wacom_wac->touch_name;
1187 wacom_wac->pad_input->name = wacom_wac->pad_name;
1192 static int wacom_register_inputs(struct wacom *wacom)
1194 struct input_dev *pen_input_dev, *touch_input_dev, *pad_input_dev;
1195 struct wacom_wac *wacom_wac = &(wacom->wacom_wac);
1198 pen_input_dev = wacom_wac->pen_input;
1199 touch_input_dev = wacom_wac->touch_input;
1200 pad_input_dev = wacom_wac->pad_input;
1202 if (!pen_input_dev || !touch_input_dev || !pad_input_dev)
1205 error = wacom_setup_pen_input_capabilities(pen_input_dev, wacom_wac);
1207 /* no pen in use on this interface */
1208 input_free_device(pen_input_dev);
1209 wacom_wac->pen_input = NULL;
1210 pen_input_dev = NULL;
1212 error = input_register_device(pen_input_dev);
1214 goto fail_register_pen_input;
1215 wacom_wac->pen_registered = true;
1218 error = wacom_setup_touch_input_capabilities(touch_input_dev, wacom_wac);
1220 /* no touch in use on this interface */
1221 input_free_device(touch_input_dev);
1222 wacom_wac->touch_input = NULL;
1223 touch_input_dev = NULL;
1225 error = input_register_device(touch_input_dev);
1227 goto fail_register_touch_input;
1228 wacom_wac->touch_registered = true;
1231 error = wacom_setup_pad_input_capabilities(pad_input_dev, wacom_wac);
1233 /* no pad in use on this interface */
1234 input_free_device(pad_input_dev);
1235 wacom_wac->pad_input = NULL;
1236 pad_input_dev = NULL;
1238 error = input_register_device(pad_input_dev);
1240 goto fail_register_pad_input;
1241 wacom_wac->pad_registered = true;
1243 error = wacom_initialize_leds(wacom);
1251 input_unregister_device(pad_input_dev);
1252 pad_input_dev = NULL;
1253 wacom_wac->pad_registered = false;
1254 fail_register_pad_input:
1255 input_unregister_device(touch_input_dev);
1256 wacom_wac->touch_input = NULL;
1257 wacom_wac->touch_registered = false;
1258 fail_register_touch_input:
1259 input_unregister_device(pen_input_dev);
1260 wacom_wac->pen_input = NULL;
1261 wacom_wac->pen_registered = false;
1262 fail_register_pen_input:
1266 static void wacom_wireless_work(struct work_struct *work)
1268 struct wacom *wacom = container_of(work, struct wacom, work);
1269 struct usb_device *usbdev = wacom->usbdev;
1270 struct wacom_wac *wacom_wac = &wacom->wacom_wac;
1271 struct hid_device *hdev1, *hdev2;
1272 struct wacom *wacom1, *wacom2;
1273 struct wacom_wac *wacom_wac1, *wacom_wac2;
1277 * Regardless if this is a disconnect or a new tablet,
1278 * remove any existing input and battery devices.
1281 wacom_destroy_battery(wacom);
1283 /* Stylus interface */
1284 hdev1 = usb_get_intfdata(usbdev->config->interface[1]);
1285 wacom1 = hid_get_drvdata(hdev1);
1286 wacom_wac1 = &(wacom1->wacom_wac);
1287 wacom_clean_inputs(wacom1);
1289 /* Touch interface */
1290 hdev2 = usb_get_intfdata(usbdev->config->interface[2]);
1291 wacom2 = hid_get_drvdata(hdev2);
1292 wacom_wac2 = &(wacom2->wacom_wac);
1293 wacom_clean_inputs(wacom2);
1295 if (wacom_wac->pid == 0) {
1296 hid_info(wacom->hdev, "wireless tablet disconnected\n");
1297 wacom_wac1->shared->type = 0;
1299 const struct hid_device_id *id = wacom_ids;
1301 hid_info(wacom->hdev, "wireless tablet connected with PID %x\n",
1305 if (id->vendor == USB_VENDOR_ID_WACOM &&
1306 id->product == wacom_wac->pid)
1312 hid_info(wacom->hdev, "ignoring unknown PID.\n");
1316 /* Stylus interface */
1317 wacom_wac1->features =
1318 *((struct wacom_features *)id->driver_data);
1319 wacom_wac1->features.device_type |= WACOM_DEVICETYPE_PEN;
1320 if (wacom_wac1->features.type != INTUOSHT &&
1321 wacom_wac1->features.type != BAMBOO_PT)
1322 wacom_wac1->features.device_type |= WACOM_DEVICETYPE_PAD;
1323 snprintf(wacom_wac1->pen_name, WACOM_NAME_MAX, "%s (WL) Pen",
1324 wacom_wac1->features.name);
1325 snprintf(wacom_wac1->pad_name, WACOM_NAME_MAX, "%s (WL) Pad",
1326 wacom_wac1->features.name);
1327 wacom_wac1->shared->touch_max = wacom_wac1->features.touch_max;
1328 wacom_wac1->shared->type = wacom_wac1->features.type;
1329 wacom_wac1->pid = wacom_wac->pid;
1330 error = wacom_allocate_inputs(wacom1) ||
1331 wacom_register_inputs(wacom1);
1335 /* Touch interface */
1336 if (wacom_wac1->features.touch_max ||
1337 wacom_wac1->features.type == INTUOSHT) {
1338 wacom_wac2->features =
1339 *((struct wacom_features *)id->driver_data);
1340 wacom_wac2->features.pktlen = WACOM_PKGLEN_BBTOUCH3;
1341 wacom_wac2->features.x_max = wacom_wac2->features.y_max = 4096;
1342 snprintf(wacom_wac2->touch_name, WACOM_NAME_MAX,
1343 "%s (WL) Finger",wacom_wac2->features.name);
1344 snprintf(wacom_wac2->pad_name, WACOM_NAME_MAX,
1345 "%s (WL) Pad",wacom_wac2->features.name);
1346 if (wacom_wac1->features.touch_max)
1347 wacom_wac2->features.device_type |= WACOM_DEVICETYPE_TOUCH;
1348 if (wacom_wac1->features.type == INTUOSHT ||
1349 wacom_wac1->features.type == BAMBOO_PT)
1350 wacom_wac2->features.device_type |= WACOM_DEVICETYPE_PAD;
1351 wacom_wac2->pid = wacom_wac->pid;
1352 error = wacom_allocate_inputs(wacom2) ||
1353 wacom_register_inputs(wacom2);
1357 if (wacom_wac1->features.type == INTUOSHT &&
1358 wacom_wac1->features.touch_max)
1359 wacom_wac->shared->touch_input = wacom_wac2->touch_input;
1362 error = wacom_initialize_battery(wacom);
1370 wacom_clean_inputs(wacom1);
1371 wacom_clean_inputs(wacom2);
1375 void wacom_battery_work(struct work_struct *work)
1377 struct wacom *wacom = container_of(work, struct wacom, work);
1379 if ((wacom->wacom_wac.features.quirks & WACOM_QUIRK_BATTERY) &&
1381 wacom_initialize_battery(wacom);
1383 else if (!(wacom->wacom_wac.features.quirks & WACOM_QUIRK_BATTERY) &&
1385 wacom_destroy_battery(wacom);
1390 * Not all devices report physical dimensions from HID.
1391 * Compute the default from hardcoded logical dimension
1392 * and resolution before driver overwrites them.
1394 static void wacom_set_default_phy(struct wacom_features *features)
1396 if (features->x_resolution) {
1397 features->x_phy = (features->x_max * 100) /
1398 features->x_resolution;
1399 features->y_phy = (features->y_max * 100) /
1400 features->y_resolution;
1404 static void wacom_calculate_res(struct wacom_features *features)
1406 /* set unit to "100th of a mm" for devices not reported by HID */
1407 if (!features->unit) {
1408 features->unit = 0x11;
1409 features->unitExpo = -3;
1412 features->x_resolution = wacom_calc_hid_res(features->x_max,
1415 features->unitExpo);
1416 features->y_resolution = wacom_calc_hid_res(features->y_max,
1419 features->unitExpo);
1422 static size_t wacom_compute_pktlen(struct hid_device *hdev)
1424 struct hid_report_enum *report_enum;
1425 struct hid_report *report;
1428 report_enum = hdev->report_enum + HID_INPUT_REPORT;
1430 list_for_each_entry(report, &report_enum->report_list, list) {
1431 size_t report_size = hid_report_len(report);
1432 if (report_size > size)
1439 static void wacom_update_name(struct wacom *wacom)
1441 struct wacom_wac *wacom_wac = &wacom->wacom_wac;
1442 struct wacom_features *features = &wacom_wac->features;
1443 char name[WACOM_NAME_MAX];
1445 /* Generic devices name unspecified */
1446 if ((features->type == HID_GENERIC) && !strcmp("Wacom HID", features->name)) {
1447 if (strstr(wacom->hdev->name, "Wacom") ||
1448 strstr(wacom->hdev->name, "wacom") ||
1449 strstr(wacom->hdev->name, "WACOM")) {
1450 /* name is in HID descriptor, use it */
1451 strlcpy(name, wacom->hdev->name, sizeof(name));
1453 /* strip out excess whitespaces */
1455 char *gap = strstr(name, " ");
1458 /* shift everything including the terminator */
1459 memmove(gap, gap+1, strlen(gap));
1461 /* get rid of trailing whitespace */
1462 if (name[strlen(name)-1] == ' ')
1463 name[strlen(name)-1] = '\0';
1465 /* no meaningful name retrieved. use product ID */
1466 snprintf(name, sizeof(name),
1467 "%s %X", features->name, wacom->hdev->product);
1470 strlcpy(name, features->name, sizeof(name));
1473 /* Append the device type to the name */
1474 snprintf(wacom_wac->pen_name, sizeof(wacom_wac->pen_name),
1476 snprintf(wacom_wac->touch_name, sizeof(wacom_wac->touch_name),
1478 snprintf(wacom_wac->pad_name, sizeof(wacom_wac->pad_name),
1482 static int wacom_probe(struct hid_device *hdev,
1483 const struct hid_device_id *id)
1485 struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
1486 struct usb_device *dev = interface_to_usbdev(intf);
1487 struct wacom *wacom;
1488 struct wacom_wac *wacom_wac;
1489 struct wacom_features *features;
1491 unsigned int connect_mask = HID_CONNECT_HIDRAW;
1493 if (!id->driver_data)
1496 hdev->quirks |= HID_QUIRK_NO_INIT_REPORTS;
1498 /* hid-core sets this quirk for the boot interface */
1499 hdev->quirks &= ~HID_QUIRK_NOGET;
1501 wacom = kzalloc(sizeof(struct wacom), GFP_KERNEL);
1505 hid_set_drvdata(hdev, wacom);
1508 /* ask for the report descriptor to be loaded by HID */
1509 error = hid_parse(hdev);
1511 hid_err(hdev, "parse failed\n");
1515 wacom_wac = &wacom->wacom_wac;
1516 wacom_wac->features = *((struct wacom_features *)id->driver_data);
1517 features = &wacom_wac->features;
1518 features->pktlen = wacom_compute_pktlen(hdev);
1519 if (features->pktlen > WACOM_PKGLEN_MAX) {
1524 if (features->check_for_hid_type && features->hid_type != hdev->type) {
1529 wacom->usbdev = dev;
1531 mutex_init(&wacom->lock);
1532 INIT_WORK(&wacom->work, wacom_wireless_work);
1534 if (!(features->quirks & WACOM_QUIRK_NO_INPUT)) {
1535 error = wacom_allocate_inputs(wacom);
1537 goto fail_allocate_inputs;
1541 * Bamboo Pad has a generic hid handling for the Pen, and we switch it
1542 * into debug mode for the touch part.
1543 * We ignore the other interfaces.
1545 if (features->type == BAMBOO_PAD) {
1546 if (features->pktlen == WACOM_PKGLEN_PENABLED) {
1547 features->type = HID_GENERIC;
1548 } else if ((features->pktlen != WACOM_PKGLEN_BPAD_TOUCH) &&
1549 (features->pktlen != WACOM_PKGLEN_BPAD_TOUCH_USB)) {
1551 goto fail_shared_data;
1555 /* set the default size in case we do not get them from hid */
1556 wacom_set_default_phy(features);
1558 /* Retrieve the physical and logical size for touch devices */
1559 wacom_retrieve_hid_descriptor(hdev, features);
1560 wacom_setup_device_quirks(wacom);
1562 if (features->device_type == WACOM_DEVICETYPE_NONE &&
1563 features->type != WIRELESS) {
1564 error = features->type == HID_GENERIC ? -ENODEV : 0;
1566 dev_warn(&hdev->dev, "Unknown device_type for '%s'. %s.",
1568 error ? "Ignoring" : "Assuming pen");
1571 goto fail_shared_data;
1573 features->device_type |= WACOM_DEVICETYPE_PEN;
1576 wacom_calculate_res(features);
1578 wacom_update_name(wacom);
1580 error = wacom_add_shared_data(hdev);
1582 goto fail_shared_data;
1584 if (!(features->device_type & WACOM_DEVICETYPE_WL_MONITOR) &&
1585 (features->quirks & WACOM_QUIRK_BATTERY)) {
1586 error = wacom_initialize_battery(wacom);
1591 if (!(features->quirks & WACOM_QUIRK_NO_INPUT)) {
1592 error = wacom_register_inputs(wacom);
1594 goto fail_register_inputs;
1597 if (hdev->bus == BUS_BLUETOOTH) {
1598 error = device_create_file(&hdev->dev, &dev_attr_speed);
1601 "can't create sysfs speed attribute err: %d\n",
1605 if (features->type == HID_GENERIC)
1606 connect_mask |= HID_CONNECT_DRIVER;
1608 /* Regular HID work starts now */
1609 error = hid_hw_start(hdev, connect_mask);
1611 hid_err(hdev, "hw start failed\n");
1615 /* Note that if query fails it is not a hard failure */
1616 wacom_query_tablet_data(hdev, features);
1618 if (features->device_type & WACOM_DEVICETYPE_WL_MONITOR)
1619 error = hid_hw_open(hdev);
1621 if (wacom_wac->features.type == INTUOSHT &&
1622 wacom_wac->features.device_type & WACOM_DEVICETYPE_TOUCH) {
1623 wacom_wac->shared->touch_input = wacom_wac->touch_input;
1629 if (hdev->bus == BUS_BLUETOOTH)
1630 device_remove_file(&hdev->dev, &dev_attr_speed);
1631 fail_register_inputs:
1632 wacom_clean_inputs(wacom);
1633 wacom_destroy_battery(wacom);
1635 wacom_remove_shared_data(wacom);
1637 wacom_clean_inputs(wacom);
1638 fail_allocate_inputs:
1643 hid_set_drvdata(hdev, NULL);
1647 static void wacom_remove(struct hid_device *hdev)
1649 struct wacom *wacom = hid_get_drvdata(hdev);
1653 cancel_work_sync(&wacom->work);
1654 wacom_clean_inputs(wacom);
1655 if (hdev->bus == BUS_BLUETOOTH)
1656 device_remove_file(&hdev->dev, &dev_attr_speed);
1657 wacom_destroy_battery(wacom);
1658 wacom_remove_shared_data(wacom);
1660 hid_set_drvdata(hdev, NULL);
1665 static int wacom_resume(struct hid_device *hdev)
1667 struct wacom *wacom = hid_get_drvdata(hdev);
1668 struct wacom_features *features = &wacom->wacom_wac.features;
1670 mutex_lock(&wacom->lock);
1672 /* switch to wacom mode first */
1673 wacom_query_tablet_data(hdev, features);
1674 wacom_led_control(wacom);
1676 mutex_unlock(&wacom->lock);
1681 static int wacom_reset_resume(struct hid_device *hdev)
1683 return wacom_resume(hdev);
1685 #endif /* CONFIG_PM */
1687 static struct hid_driver wacom_driver = {
1689 .id_table = wacom_ids,
1690 .probe = wacom_probe,
1691 .remove = wacom_remove,
1692 .report = wacom_wac_report,
1694 .resume = wacom_resume,
1695 .reset_resume = wacom_reset_resume,
1697 .raw_event = wacom_raw_event,
1699 module_hid_driver(wacom_driver);
1701 MODULE_VERSION(DRIVER_VERSION);
1702 MODULE_AUTHOR(DRIVER_AUTHOR);
1703 MODULE_DESCRIPTION(DRIVER_DESC);
1704 MODULE_LICENSE(DRIVER_LICENSE);