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drivers/hid/wacom_sys.c
72.5 KB
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// SPDX-License-Identifier: GPL-2.0-or-later |
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/* |
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* drivers/input/tablet/wacom_sys.c |
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* |
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* USB Wacom tablet support - system specific code |
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*/ /* |
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*/ |
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#include "wacom_wac.h" |
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#include "wacom.h" |
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#include <linux/input/mt.h> |
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#define WAC_MSG_RETRIES 5 |
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#define WAC_CMD_RETRIES 10 |
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#define DEV_ATTR_RW_PERM (S_IRUGO | S_IWUSR | S_IWGRP) #define DEV_ATTR_WO_PERM (S_IWUSR | S_IWGRP) |
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#define DEV_ATTR_RO_PERM (S_IRUSR | S_IRGRP) |
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static int wacom_get_report(struct hid_device *hdev, u8 type, u8 *buf, size_t size, unsigned int retries) |
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{ |
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int retval; do { |
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retval = hid_hw_raw_request(hdev, buf[0], buf, size, type, |
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HID_REQ_GET_REPORT); |
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} while ((retval == -ETIMEDOUT || retval == -EAGAIN) && --retries); if (retval < 0) hid_err(hdev, "wacom_get_report: ran out of retries " "(last error = %d) ", retval); |
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return retval; |
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} |
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static int wacom_set_report(struct hid_device *hdev, u8 type, u8 *buf, size_t size, unsigned int retries) |
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{ |
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int retval; do { |
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retval = hid_hw_raw_request(hdev, buf[0], buf, size, type, |
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HID_REQ_SET_REPORT); |
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} while ((retval == -ETIMEDOUT || retval == -EAGAIN) && --retries); if (retval < 0) hid_err(hdev, "wacom_set_report: ran out of retries " "(last error = %d) ", retval); |
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return retval; |
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} |
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static void wacom_wac_queue_insert(struct hid_device *hdev, struct kfifo_rec_ptr_2 *fifo, u8 *raw_data, int size) { bool warned = false; while (kfifo_avail(fifo) < size) { if (!warned) hid_warn(hdev, "%s: kfifo has filled, starting to drop events ", __func__); warned = true; kfifo_skip(fifo); } kfifo_in(fifo, raw_data, size); } static void wacom_wac_queue_flush(struct hid_device *hdev, struct kfifo_rec_ptr_2 *fifo) { while (!kfifo_is_empty(fifo)) { u8 buf[WACOM_PKGLEN_MAX]; int size; int err; size = kfifo_out(fifo, buf, sizeof(buf)); err = hid_report_raw_event(hdev, HID_INPUT_REPORT, buf, size, false); if (err) { hid_warn(hdev, "%s: unable to flush event due to error %d ", __func__, err); } } } static int wacom_wac_pen_serial_enforce(struct hid_device *hdev, |
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struct hid_report *report, u8 *raw_data, int report_size) |
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{ struct wacom *wacom = hid_get_drvdata(hdev); struct wacom_wac *wacom_wac = &wacom->wacom_wac; struct wacom_features *features = &wacom_wac->features; bool flush = false; bool insert = false; int i, j; if (wacom_wac->serial[0] || !(features->quirks & WACOM_QUIRK_TOOLSERIAL)) return 0; /* Queue events which have invalid tool type or serial number */ for (i = 0; i < report->maxfield; i++) { for (j = 0; j < report->field[i]->maxusage; j++) { struct hid_field *field = report->field[i]; struct hid_usage *usage = &field->usage[j]; unsigned int equivalent_usage = wacom_equivalent_usage(usage->hid); unsigned int offset; unsigned int size; unsigned int value; if (equivalent_usage != HID_DG_INRANGE && equivalent_usage != HID_DG_TOOLSERIALNUMBER && equivalent_usage != WACOM_HID_WD_SERIALHI && equivalent_usage != WACOM_HID_WD_TOOLTYPE) continue; offset = field->report_offset; size = field->report_size; value = hid_field_extract(hdev, raw_data+1, offset + j * size, size); /* If we go out of range, we need to flush the queue ASAP */ if (equivalent_usage == HID_DG_INRANGE) value = !value; if (value) { flush = true; switch (equivalent_usage) { case HID_DG_TOOLSERIALNUMBER: wacom_wac->serial[0] = value; break; case WACOM_HID_WD_SERIALHI: wacom_wac->serial[0] |= ((__u64)value) << 32; break; case WACOM_HID_WD_TOOLTYPE: wacom_wac->id[0] = value; break; } } else { insert = true; } } } if (flush) wacom_wac_queue_flush(hdev, &wacom_wac->pen_fifo); else if (insert) |
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wacom_wac_queue_insert(hdev, &wacom_wac->pen_fifo, raw_data, report_size); |
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return insert && !flush; } |
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static int wacom_raw_event(struct hid_device *hdev, struct hid_report *report, u8 *raw_data, int size) |
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{ |
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struct wacom *wacom = hid_get_drvdata(hdev); |
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if (size > WACOM_PKGLEN_MAX) return 1; |
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if (wacom_wac_pen_serial_enforce(hdev, report, raw_data, size)) return -1; |
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memcpy(wacom->wacom_wac.data, raw_data, size); |
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wacom_wac_irq(&wacom->wacom_wac, size); return 0; |
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} |
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static int wacom_open(struct input_dev *dev) { |
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struct wacom *wacom = input_get_drvdata(dev); |
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return hid_hw_open(wacom->hdev); |
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} static void wacom_close(struct input_dev *dev) { |
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struct wacom *wacom = input_get_drvdata(dev); |
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/* * wacom->hdev should never be null, but surprisingly, I had the case * once while unplugging the Wacom Wireless Receiver. */ if (wacom->hdev) hid_hw_close(wacom->hdev); |
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} |
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/* |
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* Calculate the resolution of the X or Y axis using hidinput_calc_abs_res. |
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*/ static int wacom_calc_hid_res(int logical_extents, int physical_extents, |
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unsigned unit, int exponent) |
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{ |
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struct hid_field field = { .logical_maximum = logical_extents, .physical_maximum = physical_extents, .unit = unit, .unit_exponent = exponent, }; return hidinput_calc_abs_res(&field, ABS_X); |
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} |
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static void wacom_hid_usage_quirk(struct hid_device *hdev, struct hid_field *field, struct hid_usage *usage) { struct wacom *wacom = hid_get_drvdata(hdev); struct wacom_features *features = &wacom->wacom_wac.features; unsigned int equivalent_usage = wacom_equivalent_usage(usage->hid); /* * The Dell Canvas 27 needs to be switched to its vendor-defined * report to provide the best resolution. */ if (hdev->vendor == USB_VENDOR_ID_WACOM && hdev->product == 0x4200 && field->application == HID_UP_MSVENDOR) { wacom->wacom_wac.mode_report = field->report->id; wacom->wacom_wac.mode_value = 2; } /* * ISDv4 devices which predate HID's adoption of the * HID_DG_BARELSWITCH2 usage use 0x000D0000 in its * position instead. We can accurately detect if a * usage with that value should be HID_DG_BARRELSWITCH2 * based on the surrounding usages, which have remained * constant across generations. */ if (features->type == HID_GENERIC && usage->hid == 0x000D0000 && field->application == HID_DG_PEN && field->physical == HID_DG_STYLUS) { int i = usage->usage_index; if (i-4 >= 0 && i+1 < field->maxusage && field->usage[i-4].hid == HID_DG_TIPSWITCH && field->usage[i-3].hid == HID_DG_BARRELSWITCH && field->usage[i-2].hid == HID_DG_ERASER && field->usage[i-1].hid == HID_DG_INVERT && field->usage[i+1].hid == HID_DG_INRANGE) { usage->hid = HID_DG_BARRELSWITCH2; } } |
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/* * Wacom's AES devices use different vendor-defined usages to * report serial number information compared to their branded * hardware. The usages are also sometimes ill-defined and do * not have the correct logical min/max values set. Lets patch * the descriptor to use the branded usage convention and fix * the errors. */ if (usage->hid == WACOM_HID_WT_SERIALNUMBER && field->report_size == 16 && field->index + 2 < field->report->maxfield) { struct hid_field *a = field->report->field[field->index + 1]; struct hid_field *b = field->report->field[field->index + 2]; if (a->maxusage > 0 && a->usage[0].hid == HID_DG_TOOLSERIALNUMBER && a->report_size == 32 && b->maxusage > 0 && b->usage[0].hid == 0xFF000000 && b->report_size == 8) { features->quirks |= WACOM_QUIRK_AESPEN; usage->hid = WACOM_HID_WD_TOOLTYPE; field->logical_minimum = S16_MIN; field->logical_maximum = S16_MAX; a->logical_minimum = S32_MIN; a->logical_maximum = S32_MAX; b->usage[0].hid = WACOM_HID_WD_SERIALHI; b->logical_minimum = 0; b->logical_maximum = U8_MAX; } } |
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/* 2nd-generation Intuos Pro Large has incorrect Y maximum */ if (hdev->vendor == USB_VENDOR_ID_WACOM && hdev->product == 0x0358 && WACOM_PEN_FIELD(field) && equivalent_usage == HID_GD_Y) { field->logical_maximum = 43200; } } |
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static void wacom_feature_mapping(struct hid_device *hdev, struct hid_field *field, struct hid_usage *usage) |
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{ |
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struct wacom *wacom = hid_get_drvdata(hdev); struct wacom_features *features = &wacom->wacom_wac.features; |
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struct hid_data *hid_data = &wacom->wacom_wac.hid_data; |
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unsigned int equivalent_usage = wacom_equivalent_usage(usage->hid); |
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u8 *data; int ret; |
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u32 n; |
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wacom_hid_usage_quirk(hdev, field, usage); |
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switch (equivalent_usage) { |
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case WACOM_HID_WD_TOUCH_RING_SETTING: wacom->generic_has_leds = true; break; |
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case HID_DG_CONTACTMAX: /* leave touch_max as is if predefined */ |
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if (!features->touch_max) { /* read manually */ |
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n = hid_report_len(field->report); data = hid_alloc_report_buf(field->report, GFP_KERNEL); |
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if (!data) break; data[0] = field->report->id; ret = wacom_get_report(hdev, HID_FEATURE_REPORT, |
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data, n, WAC_CMD_RETRIES); |
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if (ret == n && features->type == HID_GENERIC) { |
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ret = hid_report_raw_event(hdev, HID_FEATURE_REPORT, data, n, 0); |
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} else if (ret == 2 && features->type != HID_GENERIC) { features->touch_max = data[1]; |
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} else { features->touch_max = 16; hid_warn(hdev, "wacom_feature_mapping: " "could not get HID_DG_CONTACTMAX, " "defaulting to %d ", features->touch_max); } |
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kfree(data); } |
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break; |
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case HID_DG_INPUTMODE: /* Ignore if value index is out of bounds. */ if (usage->usage_index >= field->report_count) { dev_err(&hdev->dev, "HID_DG_INPUTMODE out of range "); break; } hid_data->inputmode = field->report->id; hid_data->inputmode_index = usage->usage_index; break; |
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case HID_UP_DIGITIZER: if (field->report->id == 0x0B && |
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(field->application == WACOM_HID_G9_PEN || field->application == WACOM_HID_G11_PEN)) { |
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wacom->wacom_wac.mode_report = field->report->id; wacom->wacom_wac.mode_value = 0; } break; |
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case WACOM_HID_WD_DATAMODE: wacom->wacom_wac.mode_report = field->report->id; wacom->wacom_wac.mode_value = 2; break; |
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case WACOM_HID_UP_G9: case WACOM_HID_UP_G11: |
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if (field->report->id == 0x03 && |
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(field->application == WACOM_HID_G9_TOUCHSCREEN || field->application == WACOM_HID_G11_TOUCHSCREEN)) { |
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wacom->wacom_wac.mode_report = field->report->id; wacom->wacom_wac.mode_value = 0; } break; |
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case WACOM_HID_WD_OFFSETLEFT: case WACOM_HID_WD_OFFSETTOP: case WACOM_HID_WD_OFFSETRIGHT: case WACOM_HID_WD_OFFSETBOTTOM: /* read manually */ n = hid_report_len(field->report); data = hid_alloc_report_buf(field->report, GFP_KERNEL); if (!data) break; data[0] = field->report->id; ret = wacom_get_report(hdev, HID_FEATURE_REPORT, data, n, WAC_CMD_RETRIES); if (ret == n) { ret = hid_report_raw_event(hdev, HID_FEATURE_REPORT, data, n, 0); } else { hid_warn(hdev, "%s: could not retrieve sensor offsets ", __func__); } kfree(data); break; |
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} } |
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/* * Interface Descriptor of wacom devices can be incomplete and * inconsistent so wacom_features table is used to store stylus * device's packet lengths, various maximum values, and tablet * resolution based on product ID's. * * For devices that contain 2 interfaces, wacom_features table is * inaccurate for the touch interface. Since the Interface Descriptor * for touch interfaces has pretty complete data, this function exists * to query tablet for this missing information instead of hard coding in * an additional table. * * A typical Interface Descriptor for a stylus will contain a * boot mouse application collection that is not of interest and this * function will ignore it. * * It also contains a digitizer application collection that also is not * of interest since any information it contains would be duplicate * of what is in wacom_features. Usually it defines a report of an array * of bytes that could be used as max length of the stylus packet returned. * If it happens to define a Digitizer-Stylus Physical Collection then * the X and Y logical values contain valid data but it is ignored. * * A typical Interface Descriptor for a touch interface will contain a * Digitizer-Finger Physical Collection which will define both logical * X/Y maximum as well as the physical size of tablet. Since touch * interfaces haven't supported pressure or distance, this is enough * information to override invalid values in the wacom_features table. |
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* |
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* Intuos5 touch interface and 3rd gen Bamboo Touch do not contain useful * data. We deal with them after returning from this function. |
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*/ |
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static void wacom_usage_mapping(struct hid_device *hdev, struct hid_field *field, struct hid_usage *usage) |
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{ |
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struct wacom *wacom = hid_get_drvdata(hdev); struct wacom_features *features = &wacom->wacom_wac.features; |
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bool finger = WACOM_FINGER_FIELD(field); bool pen = WACOM_PEN_FIELD(field); |
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unsigned equivalent_usage = wacom_equivalent_usage(usage->hid); |
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/* * Requiring Stylus Usage will ignore boot mouse * X/Y values and some cases of invalid Digitizer X/Y * values commonly reported. */ |
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if (pen) |
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features->device_type |= WACOM_DEVICETYPE_PEN; |
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else if (finger) |
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features->device_type |= WACOM_DEVICETYPE_TOUCH; |
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else |
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return; |
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wacom_hid_usage_quirk(hdev, field, usage); |
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switch (equivalent_usage) { |
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case HID_GD_X: features->x_max = field->logical_maximum; if (finger) { |
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features->x_phy = field->physical_maximum; |
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if ((features->type != BAMBOO_PT) && (features->type != BAMBOO_TOUCH)) { |
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features->unit = field->unit; features->unitExpo = field->unit_exponent; |
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} |
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} break; case HID_GD_Y: features->y_max = field->logical_maximum; if (finger) { features->y_phy = field->physical_maximum; |
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if ((features->type != BAMBOO_PT) && (features->type != BAMBOO_TOUCH)) { |
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features->unit = field->unit; features->unitExpo = field->unit_exponent; } } break; case HID_DG_TIPPRESSURE: if (pen) features->pressure_max = field->logical_maximum; break; } |
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if (features->type == HID_GENERIC) wacom_wac_usage_mapping(hdev, field, usage); |
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} |
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static void wacom_post_parse_hid(struct hid_device *hdev, struct wacom_features *features) { struct wacom *wacom = hid_get_drvdata(hdev); struct wacom_wac *wacom_wac = &wacom->wacom_wac; if (features->type == HID_GENERIC) { /* Any last-minute generic device setup */ |
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if (wacom_wac->has_mode_change) { if (wacom_wac->is_direct_mode) features->device_type |= WACOM_DEVICETYPE_DIRECT; else features->device_type &= ~WACOM_DEVICETYPE_DIRECT; } |
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if (features->touch_max > 1) { |
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if (features->device_type & WACOM_DEVICETYPE_DIRECT) input_mt_init_slots(wacom_wac->touch_input, wacom_wac->features.touch_max, INPUT_MT_DIRECT); else input_mt_init_slots(wacom_wac->touch_input, wacom_wac->features.touch_max, INPUT_MT_POINTER); |
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} } } |
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static void wacom_parse_hid(struct hid_device *hdev, struct wacom_features *features) { struct hid_report_enum *rep_enum; struct hid_report *hreport; int i, j; /* check features first */ rep_enum = &hdev->report_enum[HID_FEATURE_REPORT]; list_for_each_entry(hreport, &rep_enum->report_list, list) { for (i = 0; i < hreport->maxfield; i++) { /* Ignore if report count is out of bounds. */ if (hreport->field[i]->report_count < 1) continue; for (j = 0; j < hreport->field[i]->maxusage; j++) { wacom_feature_mapping(hdev, hreport->field[i], hreport->field[i]->usage + j); |
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} |
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} } |
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/* now check the input usages */ rep_enum = &hdev->report_enum[HID_INPUT_REPORT]; list_for_each_entry(hreport, &rep_enum->report_list, list) { if (!hreport->maxfield) continue; for (i = 0; i < hreport->maxfield; i++) for (j = 0; j < hreport->field[i]->maxusage; j++) wacom_usage_mapping(hdev, hreport->field[i], hreport->field[i]->usage + j); } |
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wacom_post_parse_hid(hdev, features); |
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} |
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|
535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 |
static int wacom_hid_set_device_mode(struct hid_device *hdev) { struct wacom *wacom = hid_get_drvdata(hdev); struct hid_data *hid_data = &wacom->wacom_wac.hid_data; struct hid_report *r; struct hid_report_enum *re; if (hid_data->inputmode < 0) return 0; re = &(hdev->report_enum[HID_FEATURE_REPORT]); r = re->report_id_hash[hid_data->inputmode]; if (r) { r->field[0]->value[hid_data->inputmode_index] = 2; hid_hw_request(hdev, r, HID_REQ_SET_REPORT); } return 0; } |
326ea2a90
|
553 554 |
static int wacom_set_device_mode(struct hid_device *hdev, struct wacom_wac *wacom_wac) |
3b7307c2d
|
555 |
{ |
326ea2a90
|
556 557 558 |
u8 *rep_data; struct hid_report *r; struct hid_report_enum *re; |
3064a03b9
|
559 |
u32 length; |
fe494bc2f
|
560 |
int error = -ENOMEM, limit = 0; |
3b7307c2d
|
561 |
|
326ea2a90
|
562 563 564 565 566 567 568 569 570 |
if (wacom_wac->mode_report < 0) return 0; re = &(hdev->report_enum[HID_FEATURE_REPORT]); r = re->report_id_hash[wacom_wac->mode_report]; if (!r) return -EINVAL; rep_data = hid_alloc_report_buf(r, GFP_KERNEL); |
3b7307c2d
|
571 |
if (!rep_data) |
326ea2a90
|
572 573 574 |
return -ENOMEM; length = hid_report_len(r); |
ec67bbedc
|
575 |
|
fe494bc2f
|
576 |
do { |
326ea2a90
|
577 578 |
rep_data[0] = wacom_wac->mode_report; rep_data[1] = wacom_wac->mode_value; |
9937c0268
|
579 |
|
296b73787
|
580 581 |
error = wacom_set_report(hdev, HID_FEATURE_REPORT, rep_data, length, 1); |
3cb83157e
|
582 |
if (error >= 0) |
27b20a9de
|
583 |
error = wacom_get_report(hdev, HID_FEATURE_REPORT, |
c64d88347
|
584 |
rep_data, length, 1); |
326ea2a90
|
585 586 587 |
} while (error >= 0 && rep_data[1] != wacom_wac->mode_report && limit++ < WAC_MSG_RETRIES); |
fe494bc2f
|
588 589 590 591 592 |
kfree(rep_data); return error < 0 ? error : 0; } |
f81a1295c
|
593 594 595 |
static int wacom_bt_query_tablet_data(struct hid_device *hdev, u8 speed, struct wacom_features *features) { |
387142bb8
|
596 597 598 599 600 601 602 603 |
struct wacom *wacom = hid_get_drvdata(hdev); int ret; u8 rep_data[2]; switch (features->type) { case GRAPHIRE_BT: rep_data[0] = 0x03; rep_data[1] = 0x00; |
296b73787
|
604 605 |
ret = wacom_set_report(hdev, HID_FEATURE_REPORT, rep_data, 2, 3); |
387142bb8
|
606 607 608 609 610 611 |
if (ret >= 0) { rep_data[0] = speed == 0 ? 0x05 : 0x06; rep_data[1] = 0x00; ret = wacom_set_report(hdev, HID_FEATURE_REPORT, |
296b73787
|
612 |
rep_data, 2, 3); |
387142bb8
|
613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 |
if (ret >= 0) { wacom->wacom_wac.bt_high_speed = speed; return 0; } } /* * Note that if the raw queries fail, it's not a hard failure * and it is safe to continue */ hid_warn(hdev, "failed to poke device, command %d, err %d ", rep_data[0], ret); break; |
81af7e61a
|
628 629 630 631 632 633 634 635 |
case INTUOS4WL: if (speed == 1) wacom->wacom_wac.bt_features &= ~0x20; else wacom->wacom_wac.bt_features |= 0x20; rep_data[0] = 0x03; rep_data[1] = wacom->wacom_wac.bt_features; |
296b73787
|
636 637 |
ret = wacom_set_report(hdev, HID_FEATURE_REPORT, rep_data, 2, 1); |
81af7e61a
|
638 639 640 |
if (ret >= 0) wacom->wacom_wac.bt_high_speed = speed; break; |
387142bb8
|
641 |
} |
f81a1295c
|
642 643 |
return 0; } |
fe494bc2f
|
644 645 646 647 648 649 650 |
/* * Switch the tablet into its most-capable mode. Wacom tablets are * typically configured to power-up in a mode which sends mouse-like * reports to the OS. To get absolute position, pressure data, etc. * from the tablet, it is necessary to switch the tablet out of this * mode and into one which sends the full range of tablet data. */ |
a544c619a
|
651 |
static int _wacom_query_tablet_data(struct wacom *wacom) |
fe494bc2f
|
652 |
{ |
a544c619a
|
653 |
struct hid_device *hdev = wacom->hdev; |
326ea2a90
|
654 |
struct wacom_wac *wacom_wac = &wacom->wacom_wac; |
a544c619a
|
655 |
struct wacom_features *features = &wacom_wac->features; |
326ea2a90
|
656 |
|
f81a1295c
|
657 658 |
if (hdev->bus == BUS_BLUETOOTH) return wacom_bt_query_tablet_data(hdev, 1, features); |
326ea2a90
|
659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 |
if (features->type != HID_GENERIC) { if (features->device_type & WACOM_DEVICETYPE_TOUCH) { if (features->type > TABLETPC) { /* MT Tablet PC touch */ wacom_wac->mode_report = 3; wacom_wac->mode_value = 4; } else if (features->type == WACOM_24HDT) { wacom_wac->mode_report = 18; wacom_wac->mode_value = 2; } else if (features->type == WACOM_27QHDT) { wacom_wac->mode_report = 131; wacom_wac->mode_value = 2; } else if (features->type == BAMBOO_PAD) { wacom_wac->mode_report = 2; wacom_wac->mode_value = 2; } } else if (features->device_type & WACOM_DEVICETYPE_PEN) { if (features->type <= BAMBOO_PT) { wacom_wac->mode_report = 2; wacom_wac->mode_value = 2; } |
1963518b9
|
680 |
} |
ec67bbedc
|
681 |
} |
3b7307c2d
|
682 |
|
326ea2a90
|
683 684 685 686 |
wacom_set_device_mode(hdev, wacom_wac); if (features->type == HID_GENERIC) return wacom_hid_set_device_mode(hdev); |
fe494bc2f
|
687 |
return 0; |
3b7307c2d
|
688 |
} |
c669fb2b9
|
689 |
static void wacom_retrieve_hid_descriptor(struct hid_device *hdev, |
1963518b9
|
690 |
struct wacom_features *features) |
ec67bbedc
|
691 |
{ |
27b20a9de
|
692 693 |
struct wacom *wacom = hid_get_drvdata(hdev); struct usb_interface *intf = wacom->intf; |
ec67bbedc
|
694 |
|
fed87e655
|
695 |
/* default features */ |
fed87e655
|
696 697 698 |
features->x_fuzz = 4; features->y_fuzz = 4; features->pressure_fuzz = 0; |
bef7e2000
|
699 700 |
features->distance_fuzz = 1; features->tilt_fuzz = 1; |
ec67bbedc
|
701 |
|
d3825d51c
|
702 703 704 705 706 707 708 |
/* * The wireless device HID is basic and layout conflicts with * other tablets (monitor and touch interface can look like pen). * Skip the query for this type and modify defaults based on * interface number. */ if (features->type == WIRELESS) { |
3f14a63a5
|
709 |
if (intf->cur_altsetting->desc.bInterfaceNumber == 0) |
ccad85cc1
|
710 |
features->device_type = WACOM_DEVICETYPE_WL_MONITOR; |
3f14a63a5
|
711 |
else |
aa86b18cc
|
712 |
features->device_type = WACOM_DEVICETYPE_NONE; |
3f14a63a5
|
713 |
return; |
d3825d51c
|
714 |
} |
c669fb2b9
|
715 |
wacom_parse_hid(hdev, features); |
ec67bbedc
|
716 |
} |
4451e088c
|
717 |
struct wacom_hdev_data { |
4492effff
|
718 719 |
struct list_head list; struct kref kref; |
4451e088c
|
720 |
struct hid_device *dev; |
4492effff
|
721 722 723 724 725 |
struct wacom_shared shared; }; static LIST_HEAD(wacom_udev_list); static DEFINE_MUTEX(wacom_udev_list_lock); |
4451e088c
|
726 727 |
static bool wacom_are_sibling(struct hid_device *hdev, struct hid_device *sibling) |
aea2bf6a5
|
728 |
{ |
4451e088c
|
729 730 |
struct wacom *wacom = hid_get_drvdata(hdev); struct wacom_features *features = &wacom->wacom_wac.features; |
41372d5d4
|
731 732 733 734 |
struct wacom *sibling_wacom = hid_get_drvdata(sibling); struct wacom_features *sibling_features = &sibling_wacom->wacom_wac.features; __u32 oVid = features->oVid ? features->oVid : hdev->vendor; __u32 oPid = features->oPid ? features->oPid : hdev->product; |
4451e088c
|
735 |
|
41372d5d4
|
736 737 738 739 740 741 742 743 744 745 746 747 |
/* The defined oVid/oPid must match that of the sibling */ if (features->oVid != HID_ANY_ID && sibling->vendor != oVid) return false; if (features->oPid != HID_ANY_ID && sibling->product != oPid) return false; /* * Devices with the same VID/PID must share the same physical * device path, while those with different VID/PID must share * the same physical parent device path. */ if (hdev->vendor == sibling->vendor && hdev->product == sibling->product) { |
1a8861f11
|
748 |
if (!hid_compare_device_paths(hdev, sibling, '/')) |
41372d5d4
|
749 750 |
return false; } else { |
1a8861f11
|
751 |
if (!hid_compare_device_paths(hdev, sibling, '.')) |
41372d5d4
|
752 |
return false; |
4451e088c
|
753 |
} |
aea2bf6a5
|
754 |
|
41372d5d4
|
755 756 757 758 759 760 761 762 763 764 |
/* Skip the remaining heuristics unless you are a HID_GENERIC device */ if (features->type != HID_GENERIC) return true; /* * Direct-input devices may not be siblings of indirect-input * devices. */ if ((features->device_type & WACOM_DEVICETYPE_DIRECT) && !(sibling_features->device_type & WACOM_DEVICETYPE_DIRECT)) |
4451e088c
|
765 |
return false; |
aea2bf6a5
|
766 |
|
41372d5d4
|
767 768 769 770 771 772 |
/* * Indirect-input devices may not be siblings of direct-input * devices. */ if (!(features->device_type & WACOM_DEVICETYPE_DIRECT) && (sibling_features->device_type & WACOM_DEVICETYPE_DIRECT)) |
4451e088c
|
773 |
return false; |
aea2bf6a5
|
774 |
|
41372d5d4
|
775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 |
/* Pen devices may only be siblings of touch devices */ if ((features->device_type & WACOM_DEVICETYPE_PEN) && !(sibling_features->device_type & WACOM_DEVICETYPE_TOUCH)) return false; /* Touch devices may only be siblings of pen devices */ if ((features->device_type & WACOM_DEVICETYPE_TOUCH) && !(sibling_features->device_type & WACOM_DEVICETYPE_PEN)) return false; /* * No reason could be found for these two devices to NOT be * siblings, so there's a good chance they ARE siblings */ return true; |
aea2bf6a5
|
790 |
} |
4451e088c
|
791 |
static struct wacom_hdev_data *wacom_get_hdev_data(struct hid_device *hdev) |
4492effff
|
792 |
{ |
4451e088c
|
793 |
struct wacom_hdev_data *data; |
4492effff
|
794 |
|
41372d5d4
|
795 796 |
/* Try to find an already-probed interface from the same device */ list_for_each_entry(data, &wacom_udev_list, list) { |
1a8861f11
|
797 |
if (hid_compare_device_paths(hdev, data->dev, '/')) { |
2a5e597c6
|
798 |
kref_get(&data->kref); |
41372d5d4
|
799 |
return data; |
2a5e597c6
|
800 |
} |
41372d5d4
|
801 802 803 |
} /* Fallback to finding devices that appear to be "siblings" */ |
4492effff
|
804 |
list_for_each_entry(data, &wacom_udev_list, list) { |
4451e088c
|
805 |
if (wacom_are_sibling(hdev, data->dev)) { |
4492effff
|
806 807 808 809 810 811 812 |
kref_get(&data->kref); return data; } } return NULL; } |
1c817c83e
|
813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 |
static void wacom_release_shared_data(struct kref *kref) { struct wacom_hdev_data *data = container_of(kref, struct wacom_hdev_data, kref); mutex_lock(&wacom_udev_list_lock); list_del(&data->list); mutex_unlock(&wacom_udev_list_lock); kfree(data); } static void wacom_remove_shared_data(void *res) { struct wacom *wacom = res; struct wacom_hdev_data *data; struct wacom_wac *wacom_wac = &wacom->wacom_wac; if (wacom_wac->shared) { data = container_of(wacom_wac->shared, struct wacom_hdev_data, shared); if (wacom_wac->shared->touch == wacom->hdev) wacom_wac->shared->touch = NULL; else if (wacom_wac->shared->pen == wacom->hdev) wacom_wac->shared->pen = NULL; kref_put(&data->kref, wacom_release_shared_data); wacom_wac->shared = NULL; } } |
4451e088c
|
844 |
static int wacom_add_shared_data(struct hid_device *hdev) |
4492effff
|
845 |
{ |
4451e088c
|
846 847 848 |
struct wacom *wacom = hid_get_drvdata(hdev); struct wacom_wac *wacom_wac = &wacom->wacom_wac; struct wacom_hdev_data *data; |
4492effff
|
849 850 851 |
int retval = 0; mutex_lock(&wacom_udev_list_lock); |
4451e088c
|
852 |
data = wacom_get_hdev_data(hdev); |
4492effff
|
853 |
if (!data) { |
4451e088c
|
854 |
data = kzalloc(sizeof(struct wacom_hdev_data), GFP_KERNEL); |
4492effff
|
855 856 857 858 859 860 |
if (!data) { retval = -ENOMEM; goto out; } kref_init(&data->kref); |
4451e088c
|
861 |
data->dev = hdev; |
4492effff
|
862 863 |
list_add_tail(&data->list, &wacom_udev_list); } |
4451e088c
|
864 |
wacom_wac->shared = &data->shared; |
4492effff
|
865 |
|
1c817c83e
|
866 867 868 869 870 871 |
retval = devm_add_action(&hdev->dev, wacom_remove_shared_data, wacom); if (retval) { mutex_unlock(&wacom_udev_list_lock); wacom_remove_shared_data(wacom); return retval; } |
a9ce7856c
|
872 873 874 875 |
if (wacom_wac->features.device_type & WACOM_DEVICETYPE_TOUCH) wacom_wac->shared->touch = hdev; else if (wacom_wac->features.device_type & WACOM_DEVICETYPE_PEN) wacom_wac->shared->pen = hdev; |
4492effff
|
876 877 878 879 |
out: mutex_unlock(&wacom_udev_list_lock); return retval; } |
5d7e7d479
|
880 881 882 |
static int wacom_led_control(struct wacom *wacom) { unsigned char *buf; |
9b5b95dd5
|
883 |
int retval; |
912ca216b
|
884 885 |
unsigned char report_id = WAC_CMD_LED_CONTROL; int buf_size = 9; |
5d7e7d479
|
886 |
|
a50aac719
|
887 888 |
if (!wacom->led.groups) return -ENOTSUPP; |
74aebed6d
|
889 890 |
if (wacom->wacom_wac.features.type == REMOTE) return -ENOTSUPP; |
912ca216b
|
891 892 893 894 |
if (wacom->wacom_wac.pid) { /* wireless connected */ report_id = WAC_CMD_WL_LED_CONTROL; buf_size = 13; } |
4922cd26f
|
895 896 897 898 |
else if (wacom->wacom_wac.features.type == INTUOSP2_BT) { report_id = WAC_CMD_WL_INTUOSP2; buf_size = 51; } |
912ca216b
|
899 |
buf = kzalloc(buf_size, GFP_KERNEL); |
5d7e7d479
|
900 901 |
if (!buf) return -ENOMEM; |
10c55cacb
|
902 903 904 905 906 907 908 |
if (wacom->wacom_wac.features.type == HID_GENERIC) { buf[0] = WAC_CMD_LED_CONTROL_GENERIC; buf[1] = wacom->led.llv; buf[2] = wacom->led.groups[0].select & 0x03; } else if ((wacom->wacom_wac.features.type >= INTUOS5S && wacom->wacom_wac.features.type <= INTUOSPL)) { |
9b5b95dd5
|
909 910 911 912 913 |
/* * Touch Ring and crop mark LED luminance may take on * one of four values: * 0 = Low; 1 = Medium; 2 = High; 3 = Off */ |
a50aac719
|
914 |
int ring_led = wacom->led.groups[0].select & 0x03; |
9b5b95dd5
|
915 916 |
int ring_lum = (((wacom->led.llv & 0x60) >> 5) - 1) & 0x03; int crop_lum = 0; |
912ca216b
|
917 918 919 920 921 922 923 924 925 926 |
unsigned char led_bits = (crop_lum << 4) | (ring_lum << 2) | (ring_led); buf[0] = report_id; if (wacom->wacom_wac.pid) { wacom_get_report(wacom->hdev, HID_FEATURE_REPORT, buf, buf_size, WAC_CMD_RETRIES); buf[0] = report_id; buf[4] = led_bits; } else buf[1] = led_bits; |
9b5b95dd5
|
927 |
} |
4922cd26f
|
928 929 930 931 932 933 934 935 936 937 |
else if (wacom->wacom_wac.features.type == INTUOSP2_BT) { buf[0] = report_id; buf[4] = 100; // Power Connection LED (ORANGE) buf[5] = 100; // BT Connection LED (BLUE) buf[6] = 100; // Paper Mode (RED?) buf[7] = 100; // Paper Mode (GREEN?) buf[8] = 100; // Paper Mode (BLUE?) buf[9] = wacom->led.llv; buf[10] = wacom->led.groups[0].select & 0x03; } |
9b5b95dd5
|
938 |
else { |
a50aac719
|
939 |
int led = wacom->led.groups[0].select | 0x4; |
9b5b95dd5
|
940 941 942 |
if (wacom->wacom_wac.features.type == WACOM_21UX2 || wacom->wacom_wac.features.type == WACOM_24HD) |
a50aac719
|
943 |
led |= (wacom->led.groups[1].select << 4) | 0x40; |
9b5b95dd5
|
944 |
|
912ca216b
|
945 |
buf[0] = report_id; |
9b5b95dd5
|
946 947 948 949 950 |
buf[1] = led; buf[2] = wacom->led.llv; buf[3] = wacom->led.hlv; buf[4] = wacom->led.img_lum; } |
5d7e7d479
|
951 |
|
912ca216b
|
952 |
retval = wacom_set_report(wacom->hdev, HID_FEATURE_REPORT, buf, buf_size, |
296b73787
|
953 |
WAC_CMD_RETRIES); |
5d7e7d479
|
954 955 956 957 |
kfree(buf); return retval; } |
849e2f067
|
958 959 |
static int wacom_led_putimage(struct wacom *wacom, int button_id, u8 xfer_id, const unsigned len, const void *img) |
5d7e7d479
|
960 961 962 |
{ unsigned char *buf; int i, retval; |
849e2f067
|
963 |
const unsigned chunk_len = len / 4; /* 4 chunks are needed to be sent */ |
5d7e7d479
|
964 |
|
849e2f067
|
965 |
buf = kzalloc(chunk_len + 3 , GFP_KERNEL); |
5d7e7d479
|
966 967 968 969 970 971 |
if (!buf) return -ENOMEM; /* Send 'start' command */ buf[0] = WAC_CMD_ICON_START; buf[1] = 1; |
296b73787
|
972 973 |
retval = wacom_set_report(wacom->hdev, HID_FEATURE_REPORT, buf, 2, WAC_CMD_RETRIES); |
5d7e7d479
|
974 975 |
if (retval < 0) goto out; |
849e2f067
|
976 |
buf[0] = xfer_id; |
5d7e7d479
|
977 978 979 |
buf[1] = button_id & 0x07; for (i = 0; i < 4; i++) { buf[2] = i; |
849e2f067
|
980 |
memcpy(buf + 3, img + i * chunk_len, chunk_len); |
5d7e7d479
|
981 |
|
27b20a9de
|
982 |
retval = wacom_set_report(wacom->hdev, HID_FEATURE_REPORT, |
296b73787
|
983 |
buf, chunk_len + 3, WAC_CMD_RETRIES); |
5d7e7d479
|
984 985 986 987 988 989 990 |
if (retval < 0) break; } /* Send 'stop' */ buf[0] = WAC_CMD_ICON_START; buf[1] = 0; |
296b73787
|
991 992 |
wacom_set_report(wacom->hdev, HID_FEATURE_REPORT, buf, 2, WAC_CMD_RETRIES); |
5d7e7d479
|
993 994 995 996 997 |
out: kfree(buf); return retval; } |
09e7d9410
|
998 |
static ssize_t wacom_led_select_store(struct device *dev, int set_id, |
5d7e7d479
|
999 1000 |
const char *buf, size_t count) { |
ee79a8f84
|
1001 |
struct hid_device *hdev = to_hid_device(dev); |
29b473913
|
1002 |
struct wacom *wacom = hid_get_drvdata(hdev); |
5d7e7d479
|
1003 1004 1005 1006 1007 1008 1009 1010 |
unsigned int id; int err; err = kstrtouint(buf, 10, &id); if (err) return err; mutex_lock(&wacom->lock); |
a50aac719
|
1011 |
wacom->led.groups[set_id].select = id & 0x3; |
5d7e7d479
|
1012 1013 1014 1015 1016 1017 |
err = wacom_led_control(wacom); mutex_unlock(&wacom->lock); return err < 0 ? err : count; } |
09e7d9410
|
1018 1019 1020 1021 1022 1023 |
#define DEVICE_LED_SELECT_ATTR(SET_ID) \ static ssize_t wacom_led##SET_ID##_select_store(struct device *dev, \ struct device_attribute *attr, const char *buf, size_t count) \ { \ return wacom_led_select_store(dev, SET_ID, buf, count); \ } \ |
04c59abd3
|
1024 1025 1026 |
static ssize_t wacom_led##SET_ID##_select_show(struct device *dev, \ struct device_attribute *attr, char *buf) \ { \ |
ee79a8f84
|
1027 |
struct hid_device *hdev = to_hid_device(dev);\ |
29b473913
|
1028 |
struct wacom *wacom = hid_get_drvdata(hdev); \ |
37449adc5
|
1029 1030 |
return scnprintf(buf, PAGE_SIZE, "%d ", \ |
a50aac719
|
1031 |
wacom->led.groups[SET_ID].select); \ |
04c59abd3
|
1032 |
} \ |
e0984bc37
|
1033 |
static DEVICE_ATTR(status_led##SET_ID##_select, DEV_ATTR_RW_PERM, \ |
04c59abd3
|
1034 |
wacom_led##SET_ID##_select_show, \ |
09e7d9410
|
1035 1036 1037 1038 |
wacom_led##SET_ID##_select_store) DEVICE_LED_SELECT_ATTR(0); DEVICE_LED_SELECT_ATTR(1); |
5d7e7d479
|
1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 |
static ssize_t wacom_luminance_store(struct wacom *wacom, u8 *dest, const char *buf, size_t count) { unsigned int value; int err; err = kstrtouint(buf, 10, &value); if (err) return err; mutex_lock(&wacom->lock); *dest = value & 0x7f; err = wacom_led_control(wacom); mutex_unlock(&wacom->lock); return err < 0 ? err : count; } #define DEVICE_LUMINANCE_ATTR(name, field) \ static ssize_t wacom_##name##_luminance_store(struct device *dev, \ struct device_attribute *attr, const char *buf, size_t count) \ { \ |
ee79a8f84
|
1064 |
struct hid_device *hdev = to_hid_device(dev);\ |
29b473913
|
1065 |
struct wacom *wacom = hid_get_drvdata(hdev); \ |
5d7e7d479
|
1066 1067 1068 1069 |
\ return wacom_luminance_store(wacom, &wacom->led.field, \ buf, count); \ } \ |
37449adc5
|
1070 1071 1072 1073 1074 1075 1076 |
static ssize_t wacom_##name##_luminance_show(struct device *dev, \ struct device_attribute *attr, char *buf) \ { \ struct wacom *wacom = dev_get_drvdata(dev); \ return scnprintf(buf, PAGE_SIZE, "%d ", wacom->led.field); \ } \ |
e0984bc37
|
1077 |
static DEVICE_ATTR(name##_luminance, DEV_ATTR_RW_PERM, \ |
37449adc5
|
1078 1079 |
wacom_##name##_luminance_show, \ wacom_##name##_luminance_store) |
5d7e7d479
|
1080 1081 1082 1083 1084 1085 1086 1087 |
DEVICE_LUMINANCE_ATTR(status0, llv); DEVICE_LUMINANCE_ATTR(status1, hlv); DEVICE_LUMINANCE_ATTR(buttons, img_lum); static ssize_t wacom_button_image_store(struct device *dev, int button_id, const char *buf, size_t count) { |
ee79a8f84
|
1088 |
struct hid_device *hdev = to_hid_device(dev); |
29b473913
|
1089 |
struct wacom *wacom = hid_get_drvdata(hdev); |
5d7e7d479
|
1090 |
int err; |
849e2f067
|
1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 |
unsigned len; u8 xfer_id; if (hdev->bus == BUS_BLUETOOTH) { len = 256; xfer_id = WAC_CMD_ICON_BT_XFER; } else { len = 1024; xfer_id = WAC_CMD_ICON_XFER; } |
5d7e7d479
|
1101 |
|
849e2f067
|
1102 |
if (count != len) |
5d7e7d479
|
1103 1104 1105 |
return -EINVAL; mutex_lock(&wacom->lock); |
849e2f067
|
1106 |
err = wacom_led_putimage(wacom, button_id, xfer_id, len, buf); |
5d7e7d479
|
1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 |
mutex_unlock(&wacom->lock); return err < 0 ? err : count; } #define DEVICE_BTNIMG_ATTR(BUTTON_ID) \ static ssize_t wacom_btnimg##BUTTON_ID##_store(struct device *dev, \ struct device_attribute *attr, const char *buf, size_t count) \ { \ return wacom_button_image_store(dev, BUTTON_ID, buf, count); \ } \ |
e0984bc37
|
1119 |
static DEVICE_ATTR(button##BUTTON_ID##_rawimg, DEV_ATTR_WO_PERM, \ |
5d7e7d479
|
1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 |
NULL, wacom_btnimg##BUTTON_ID##_store) DEVICE_BTNIMG_ATTR(0); DEVICE_BTNIMG_ATTR(1); DEVICE_BTNIMG_ATTR(2); DEVICE_BTNIMG_ATTR(3); DEVICE_BTNIMG_ATTR(4); DEVICE_BTNIMG_ATTR(5); DEVICE_BTNIMG_ATTR(6); DEVICE_BTNIMG_ATTR(7); |
09e7d9410
|
1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 |
static struct attribute *cintiq_led_attrs[] = { &dev_attr_status_led0_select.attr, &dev_attr_status_led1_select.attr, NULL }; static struct attribute_group cintiq_led_attr_group = { .name = "wacom_led", .attrs = cintiq_led_attrs, }; static struct attribute *intuos4_led_attrs[] = { |
5d7e7d479
|
1142 1143 |
&dev_attr_status0_luminance.attr, &dev_attr_status1_luminance.attr, |
09e7d9410
|
1144 |
&dev_attr_status_led0_select.attr, |
5d7e7d479
|
1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 |
&dev_attr_buttons_luminance.attr, &dev_attr_button0_rawimg.attr, &dev_attr_button1_rawimg.attr, &dev_attr_button2_rawimg.attr, &dev_attr_button3_rawimg.attr, &dev_attr_button4_rawimg.attr, &dev_attr_button5_rawimg.attr, &dev_attr_button6_rawimg.attr, &dev_attr_button7_rawimg.attr, NULL }; |
09e7d9410
|
1156 |
static struct attribute_group intuos4_led_attr_group = { |
5d7e7d479
|
1157 |
.name = "wacom_led", |
09e7d9410
|
1158 |
.attrs = intuos4_led_attrs, |
5d7e7d479
|
1159 |
}; |
9b5b95dd5
|
1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 |
static struct attribute *intuos5_led_attrs[] = { &dev_attr_status0_luminance.attr, &dev_attr_status_led0_select.attr, NULL }; static struct attribute_group intuos5_led_attr_group = { .name = "wacom_led", .attrs = intuos5_led_attrs, }; |
10c55cacb
|
1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 |
static struct attribute *generic_led_attrs[] = { &dev_attr_status0_luminance.attr, &dev_attr_status_led0_select.attr, NULL }; static struct attribute_group generic_led_attr_group = { .name = "wacom_led", .attrs = generic_led_attrs, }; |
2df68a886
|
1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 |
struct wacom_sysfs_group_devres { struct attribute_group *group; struct kobject *root; }; static void wacom_devm_sysfs_group_release(struct device *dev, void *res) { struct wacom_sysfs_group_devres *devres = res; struct kobject *kobj = devres->root; dev_dbg(dev, "%s: dropping reference to %s ", __func__, devres->group->name); sysfs_remove_group(kobj, devres->group); } |
f9036bd43
|
1195 1196 1197 |
static int __wacom_devm_sysfs_create_group(struct wacom *wacom, struct kobject *root, struct attribute_group *group) |
2df68a886
|
1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 |
{ struct wacom_sysfs_group_devres *devres; int error; devres = devres_alloc(wacom_devm_sysfs_group_release, sizeof(struct wacom_sysfs_group_devres), GFP_KERNEL); if (!devres) return -ENOMEM; devres->group = group; |
f9036bd43
|
1209 |
devres->root = root; |
2df68a886
|
1210 1211 |
error = sysfs_create_group(devres->root, group); |
097b8f62d
|
1212 1213 |
if (error) { devres_free(devres); |
2df68a886
|
1214 |
return error; |
097b8f62d
|
1215 |
} |
2df68a886
|
1216 1217 1218 1219 1220 |
devres_add(&wacom->hdev->dev, devres); return 0; } |
f9036bd43
|
1221 1222 1223 1224 1225 1226 |
static int wacom_devm_sysfs_create_group(struct wacom *wacom, struct attribute_group *group) { return __wacom_devm_sysfs_create_group(wacom, &wacom->hdev->dev.kobj, group); } |
797c128d3
|
1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 |
static void wacom_devm_kfifo_release(struct device *dev, void *res) { struct kfifo_rec_ptr_2 *devres = res; kfifo_free(devres); } static int wacom_devm_kfifo_alloc(struct wacom *wacom) { struct wacom_wac *wacom_wac = &wacom->wacom_wac; struct kfifo_rec_ptr_2 *pen_fifo = &wacom_wac->pen_fifo; int error; pen_fifo = devres_alloc(wacom_devm_kfifo_release, sizeof(struct kfifo_rec_ptr_2), GFP_KERNEL); if (!pen_fifo) return -ENOMEM; error = kfifo_alloc(pen_fifo, WACOM_PKGLEN_MAX, GFP_KERNEL); if (error) { devres_free(pen_fifo); return error; } devres_add(&wacom->hdev->dev, pen_fifo); return 0; } |
34736aa96
|
1257 |
enum led_brightness wacom_leds_brightness_get(struct wacom_led *led) |
97f5541fc
|
1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282 1283 1284 1285 1286 1287 1288 1289 1290 1291 1292 1293 1294 1295 1296 1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 1311 1312 1313 1314 1315 1316 1317 1318 1319 1320 1321 1322 1323 1324 1325 1326 1327 1328 |
{ struct wacom *wacom = led->wacom; if (wacom->led.max_hlv) return led->hlv * LED_FULL / wacom->led.max_hlv; if (wacom->led.max_llv) return led->llv * LED_FULL / wacom->led.max_llv; /* device doesn't support brightness tuning */ return LED_FULL; } static enum led_brightness __wacom_led_brightness_get(struct led_classdev *cdev) { struct wacom_led *led = container_of(cdev, struct wacom_led, cdev); struct wacom *wacom = led->wacom; if (wacom->led.groups[led->group].select != led->id) return LED_OFF; return wacom_leds_brightness_get(led); } static int wacom_led_brightness_set(struct led_classdev *cdev, enum led_brightness brightness) { struct wacom_led *led = container_of(cdev, struct wacom_led, cdev); struct wacom *wacom = led->wacom; int error; mutex_lock(&wacom->lock); if (!wacom->led.groups || (brightness == LED_OFF && wacom->led.groups[led->group].select != led->id)) { error = 0; goto out; } led->llv = wacom->led.llv = wacom->led.max_llv * brightness / LED_FULL; led->hlv = wacom->led.hlv = wacom->led.max_hlv * brightness / LED_FULL; wacom->led.groups[led->group].select = led->id; error = wacom_led_control(wacom); out: mutex_unlock(&wacom->lock); return error; } static void wacom_led_readonly_brightness_set(struct led_classdev *cdev, enum led_brightness brightness) { } static int wacom_led_register_one(struct device *dev, struct wacom *wacom, struct wacom_led *led, unsigned int group, unsigned int id, bool read_only) { int error; char *name; name = devm_kasprintf(dev, GFP_KERNEL, "%s::wacom-%d.%d", dev_name(dev), group, id); if (!name) return -ENOMEM; |
34736aa96
|
1329 1330 1331 1332 1333 1334 1335 1336 1337 1338 1339 |
if (!read_only) { led->trigger.name = name; error = devm_led_trigger_register(dev, &led->trigger); if (error) { hid_err(wacom->hdev, "failed to register LED trigger %s: %d ", led->cdev.name, error); return error; } } |
97f5541fc
|
1340 1341 1342 1343 1344 1345 1346 1347 1348 |
led->group = group; led->id = id; led->wacom = wacom; led->llv = wacom->led.llv; led->hlv = wacom->led.hlv; led->cdev.name = name; led->cdev.max_brightness = LED_FULL; led->cdev.flags = LED_HW_PLUGGABLE; led->cdev.brightness_get = __wacom_led_brightness_get; |
34736aa96
|
1349 |
if (!read_only) { |
97f5541fc
|
1350 |
led->cdev.brightness_set_blocking = wacom_led_brightness_set; |
34736aa96
|
1351 1352 |
led->cdev.default_trigger = led->cdev.name; } else { |
97f5541fc
|
1353 |
led->cdev.brightness_set = wacom_led_readonly_brightness_set; |
34736aa96
|
1354 |
} |
97f5541fc
|
1355 1356 1357 1358 1359 1360 1361 1362 1363 1364 1365 1366 1367 |
error = devm_led_classdev_register(dev, &led->cdev); if (error) { hid_err(wacom->hdev, "failed to register LED %s: %d ", led->cdev.name, error); led->cdev.name = NULL; return error; } return 0; } |
589e50602
|
1368 1369 1370 1371 1372 1373 |
static void wacom_led_groups_release_one(void *data) { struct wacom_group_leds *group = data; devres_release_group(group->dev, group); } |
97f5541fc
|
1374 1375 1376 1377 1378 1379 1380 1381 1382 1383 1384 1385 1386 |
static int wacom_led_groups_alloc_and_register_one(struct device *dev, struct wacom *wacom, int group_id, int count, bool read_only) { struct wacom_led *leds; int i, error; if (group_id >= wacom->led.count || count <= 0) return -EINVAL; if (!devres_open_group(dev, &wacom->led.groups[group_id], GFP_KERNEL)) return -ENOMEM; |
a86854d0c
|
1387 |
leds = devm_kcalloc(dev, count, sizeof(struct wacom_led), GFP_KERNEL); |
97f5541fc
|
1388 1389 1390 1391 1392 1393 1394 1395 1396 1397 1398 1399 1400 1401 |
if (!leds) { error = -ENOMEM; goto err; } wacom->led.groups[group_id].leds = leds; wacom->led.groups[group_id].count = count; for (i = 0; i < count; i++) { error = wacom_led_register_one(dev, wacom, &leds[i], group_id, i, read_only); if (error) goto err; } |
589e50602
|
1402 1403 1404 1405 1406 1407 1408 1409 1410 1411 1412 1413 1414 1415 1416 1417 1418 1419 |
wacom->led.groups[group_id].dev = dev; devres_close_group(dev, &wacom->led.groups[group_id]); /* * There is a bug (?) in devm_led_classdev_register() in which its * increments the refcount of the parent. If the parent is an input * device, that means the ref count never reaches 0 when * devm_input_device_release() gets called. * This means that the LEDs are still there after disconnect. * Manually force the release of the group so that the leds are released * once we are done using them. */ error = devm_add_action_or_reset(&wacom->hdev->dev, wacom_led_groups_release_one, &wacom->led.groups[group_id]); if (error) return error; |
97f5541fc
|
1420 1421 1422 1423 1424 1425 |
return 0; err: devres_release_group(dev, &wacom->led.groups[group_id]); return error; } |
34736aa96
|
1426 1427 1428 1429 1430 1431 1432 1433 1434 1435 1436 1437 1438 1439 1440 1441 1442 1443 1444 1445 1446 1447 1448 1449 1450 1451 1452 1453 1454 1455 1456 1457 1458 1459 1460 1461 1462 1463 1464 1465 1466 1467 1468 |
struct wacom_led *wacom_led_find(struct wacom *wacom, unsigned int group_id, unsigned int id) { struct wacom_group_leds *group; if (group_id >= wacom->led.count) return NULL; group = &wacom->led.groups[group_id]; if (!group->leds) return NULL; id %= group->count; return &group->leds[id]; } /** * wacom_led_next: gives the next available led with a wacom trigger. * * returns the next available struct wacom_led which has its default trigger * or the current one if none is available. */ struct wacom_led *wacom_led_next(struct wacom *wacom, struct wacom_led *cur) { struct wacom_led *next_led; int group, next; if (!wacom || !cur) return NULL; group = cur->group; next = cur->id; do { next_led = wacom_led_find(wacom, group, ++next); if (!next_led || next_led == cur) return next_led; } while (next_led->cdev.trigger != &next_led->trigger); return next_led; } |
a50aac719
|
1469 1470 1471 1472 1473 |
static void wacom_led_groups_release(void *data) { struct wacom *wacom = data; wacom->led.groups = NULL; |
97f5541fc
|
1474 |
wacom->led.count = 0; |
a50aac719
|
1475 1476 1477 1478 |
} static int wacom_led_groups_allocate(struct wacom *wacom, int count) { |
97f5541fc
|
1479 |
struct device *dev = &wacom->hdev->dev; |
a50aac719
|
1480 1481 |
struct wacom_group_leds *groups; int error; |
a86854d0c
|
1482 |
groups = devm_kcalloc(dev, count, sizeof(struct wacom_group_leds), |
a50aac719
|
1483 1484 1485 |
GFP_KERNEL); if (!groups) return -ENOMEM; |
97f5541fc
|
1486 |
error = devm_add_action_or_reset(dev, wacom_led_groups_release, wacom); |
a50aac719
|
1487 1488 1489 1490 |
if (error) return error; wacom->led.groups = groups; |
97f5541fc
|
1491 1492 1493 1494 1495 1496 1497 1498 1499 1500 1501 1502 1503 1504 1505 1506 1507 1508 1509 1510 1511 1512 1513 1514 1515 1516 1517 |
wacom->led.count = count; return 0; } static int wacom_leds_alloc_and_register(struct wacom *wacom, int group_count, int led_per_group, bool read_only) { struct device *dev; int i, error; if (!wacom->wacom_wac.pad_input) return -EINVAL; dev = &wacom->wacom_wac.pad_input->dev; error = wacom_led_groups_allocate(wacom, group_count); if (error) return error; for (i = 0; i < group_count; i++) { error = wacom_led_groups_alloc_and_register_one(dev, wacom, i, led_per_group, read_only); if (error) return error; } |
a50aac719
|
1518 1519 1520 |
return 0; } |
10c55cacb
|
1521 |
int wacom_initialize_leds(struct wacom *wacom) |
5d7e7d479
|
1522 1523 |
{ int error; |
862cf5535
|
1524 1525 |
if (!(wacom->wacom_wac.features.device_type & WACOM_DEVICETYPE_PAD)) return 0; |
09e7d9410
|
1526 1527 |
/* Initialize default values */ switch (wacom->wacom_wac.features.type) { |
10c55cacb
|
1528 1529 1530 1531 1532 1533 1534 1535 1536 1537 1538 1539 1540 1541 1542 1543 1544 |
case HID_GENERIC: if (!wacom->generic_has_leds) return 0; wacom->led.llv = 100; wacom->led.max_llv = 100; error = wacom_leds_alloc_and_register(wacom, 1, 4, false); if (error) { hid_err(wacom->hdev, "cannot create leds err: %d ", error); return error; } error = wacom_devm_sysfs_create_group(wacom, &generic_led_attr_group); break; |
a19fc9868
|
1545 |
case INTUOS4S: |
09e7d9410
|
1546 |
case INTUOS4: |
81af7e61a
|
1547 |
case INTUOS4WL: |
09e7d9410
|
1548 |
case INTUOS4L: |
f4fa9a6d8
|
1549 |
wacom->led.llv = 10; |
5d7e7d479
|
1550 |
wacom->led.hlv = 20; |
97f5541fc
|
1551 1552 |
wacom->led.max_llv = 127; wacom->led.max_hlv = 127; |
5d7e7d479
|
1553 |
wacom->led.img_lum = 10; |
a50aac719
|
1554 |
|
97f5541fc
|
1555 |
error = wacom_leds_alloc_and_register(wacom, 1, 4, false); |
a50aac719
|
1556 1557 1558 1559 1560 1561 |
if (error) { hid_err(wacom->hdev, "cannot create leds err: %d ", error); return error; } |
2df68a886
|
1562 1563 |
error = wacom_devm_sysfs_create_group(wacom, &intuos4_led_attr_group); |
09e7d9410
|
1564 |
break; |
246835fcc
|
1565 |
case WACOM_24HD: |
09e7d9410
|
1566 |
case WACOM_21UX2: |
09e7d9410
|
1567 1568 1569 |
wacom->led.llv = 0; wacom->led.hlv = 0; wacom->led.img_lum = 0; |
5d7e7d479
|
1570 |
|
97f5541fc
|
1571 |
error = wacom_leds_alloc_and_register(wacom, 2, 4, false); |
a50aac719
|
1572 1573 1574 1575 1576 1577 |
if (error) { hid_err(wacom->hdev, "cannot create leds err: %d ", error); return error; } |
2df68a886
|
1578 1579 |
error = wacom_devm_sysfs_create_group(wacom, &cintiq_led_attr_group); |
09e7d9410
|
1580 |
break; |
9b5b95dd5
|
1581 1582 1583 |
case INTUOS5S: case INTUOS5: case INTUOS5L: |
9a35c411f
|
1584 1585 1586 |
case INTUOSPS: case INTUOSPM: case INTUOSPL: |
862cf5535
|
1587 |
wacom->led.llv = 32; |
97f5541fc
|
1588 |
wacom->led.max_llv = 96; |
862cf5535
|
1589 |
|
97f5541fc
|
1590 |
error = wacom_leds_alloc_and_register(wacom, 1, 4, false); |
a50aac719
|
1591 1592 1593 1594 1595 1596 |
if (error) { hid_err(wacom->hdev, "cannot create leds err: %d ", error); return error; } |
2df68a886
|
1597 1598 |
error = wacom_devm_sysfs_create_group(wacom, &intuos5_led_attr_group); |
9b5b95dd5
|
1599 |
break; |
4922cd26f
|
1600 1601 1602 1603 1604 1605 1606 1607 1608 1609 1610 |
case INTUOSP2_BT: wacom->led.llv = 50; wacom->led.max_llv = 100; error = wacom_leds_alloc_and_register(wacom, 1, 4, false); if (error) { hid_err(wacom->hdev, "cannot create leds err: %d ", error); return error; } return 0; |
a50aac719
|
1611 |
case REMOTE: |
97f5541fc
|
1612 1613 |
wacom->led.llv = 255; wacom->led.max_llv = 255; |
a50aac719
|
1614 1615 1616 1617 1618 1619 1620 1621 |
error = wacom_led_groups_allocate(wacom, 5); if (error) { hid_err(wacom->hdev, "cannot create leds err: %d ", error); return error; } return 0; |
09e7d9410
|
1622 1623 |
default: return 0; |
5d7e7d479
|
1624 |
} |
09e7d9410
|
1625 |
if (error) { |
c31a408f7
|
1626 |
hid_err(wacom->hdev, |
09e7d9410
|
1627 1628 1629 1630 |
"cannot create sysfs group err: %d ", error); return error; } |
09e7d9410
|
1631 |
|
5d7e7d479
|
1632 1633 |
return 0; } |
a544c619a
|
1634 1635 1636 1637 1638 1639 1640 1641 1642 1643 1644 1645 |
static void wacom_init_work(struct work_struct *work) { struct wacom *wacom = container_of(work, struct wacom, init_work.work); _wacom_query_tablet_data(wacom); wacom_led_control(wacom); } static void wacom_query_tablet_data(struct wacom *wacom) { schedule_delayed_work(&wacom->init_work, msecs_to_jiffies(1000)); } |
a1d552cc1
|
1646 |
static enum power_supply_property wacom_battery_props[] = { |
9956953ec
|
1647 |
POWER_SUPPLY_PROP_MODEL_NAME, |
71fa641eb
|
1648 |
POWER_SUPPLY_PROP_PRESENT, |
ac8d10101
|
1649 |
POWER_SUPPLY_PROP_STATUS, |
6e2a6e806
|
1650 |
POWER_SUPPLY_PROP_SCOPE, |
a1d552cc1
|
1651 1652 1653 1654 1655 1656 1657 |
POWER_SUPPLY_PROP_CAPACITY }; static int wacom_battery_get_property(struct power_supply *psy, enum power_supply_property psp, union power_supply_propval *val) { |
59d69bc82
|
1658 |
struct wacom_battery *battery = power_supply_get_drvdata(psy); |
a1d552cc1
|
1659 1660 1661 |
int ret = 0; switch (psp) { |
9956953ec
|
1662 1663 1664 |
case POWER_SUPPLY_PROP_MODEL_NAME: val->strval = battery->wacom->wacom_wac.name; break; |
71fa641eb
|
1665 |
case POWER_SUPPLY_PROP_PRESENT: |
59d69bc82
|
1666 |
val->intval = battery->bat_connected; |
71fa641eb
|
1667 |
break; |
6e2a6e806
|
1668 1669 1670 |
case POWER_SUPPLY_PROP_SCOPE: val->intval = POWER_SUPPLY_SCOPE_DEVICE; break; |
a1d552cc1
|
1671 |
case POWER_SUPPLY_PROP_CAPACITY: |
59d69bc82
|
1672 |
val->intval = battery->battery_capacity; |
ac8d10101
|
1673 1674 |
break; case POWER_SUPPLY_PROP_STATUS: |
16e459890
|
1675 1676 1677 |
if (battery->bat_status != WACOM_POWER_SUPPLY_STATUS_AUTO) val->intval = battery->bat_status; else if (battery->bat_charging) |
ac8d10101
|
1678 |
val->intval = POWER_SUPPLY_STATUS_CHARGING; |
59d69bc82
|
1679 1680 |
else if (battery->battery_capacity == 100 && battery->ps_connected) |
ac8d10101
|
1681 |
val->intval = POWER_SUPPLY_STATUS_FULL; |
59d69bc82
|
1682 |
else if (battery->ps_connected) |
b0882cb79
|
1683 |
val->intval = POWER_SUPPLY_STATUS_NOT_CHARGING; |
ac8d10101
|
1684 1685 |
else val->intval = POWER_SUPPLY_STATUS_DISCHARGING; |
a1d552cc1
|
1686 1687 1688 1689 1690 1691 1692 1693 |
break; default: ret = -EINVAL; break; } return ret; } |
59d69bc82
|
1694 1695 |
static int __wacom_initialize_battery(struct wacom *wacom, struct wacom_battery *battery) |
a1d552cc1
|
1696 |
{ |
d70420b91
|
1697 |
static atomic_t battery_no = ATOMIC_INIT(0); |
b189da901
|
1698 |
struct device *dev = &wacom->hdev->dev; |
59d69bc82
|
1699 |
struct power_supply_config psy_cfg = { .drv_data = battery, }; |
136ae5e9b
|
1700 |
struct power_supply *ps_bat; |
59d69bc82
|
1701 |
struct power_supply_desc *bat_desc = &battery->bat_desc; |
d70420b91
|
1702 |
unsigned long n; |
b189da901
|
1703 1704 1705 1706 |
int error; if (!devres_open_group(dev, bat_desc, GFP_KERNEL)) return -ENOMEM; |
a1d552cc1
|
1707 |
|
9956953ec
|
1708 |
battery->wacom = wacom; |
59d69bc82
|
1709 1710 1711 1712 1713 1714 1715 |
n = atomic_inc_return(&battery_no) - 1; bat_desc->properties = wacom_battery_props; bat_desc->num_properties = ARRAY_SIZE(wacom_battery_props); bat_desc->get_property = wacom_battery_get_property; sprintf(battery->bat_name, "wacom_battery_%ld", n); bat_desc->name = battery->bat_name; |
969832962
|
1716 |
bat_desc->type = POWER_SUPPLY_TYPE_USB; |
59d69bc82
|
1717 |
bat_desc->use_for_apm = 0; |
59d69bc82
|
1718 1719 1720 1721 1722 |
ps_bat = devm_power_supply_register(dev, bat_desc, &psy_cfg); if (IS_ERR(ps_bat)) { error = PTR_ERR(ps_bat); goto err; } |
297d716f6
|
1723 |
|
59d69bc82
|
1724 |
power_supply_powers(ps_bat, &wacom->hdev->dev); |
7dbd229e1
|
1725 |
|
59d69bc82
|
1726 |
battery->battery = ps_bat; |
a1d552cc1
|
1727 |
|
b189da901
|
1728 |
devres_close_group(dev, bat_desc); |
7dbd229e1
|
1729 |
return 0; |
b189da901
|
1730 1731 1732 1733 |
err: devres_release_group(dev, bat_desc); return error; |
a1d552cc1
|
1734 |
} |
59d69bc82
|
1735 1736 1737 1738 1739 1740 1741 |
static int wacom_initialize_battery(struct wacom *wacom) { if (wacom->wacom_wac.features.quirks & WACOM_QUIRK_BATTERY) return __wacom_initialize_battery(wacom, &wacom->battery); return 0; } |
a1d552cc1
|
1742 1743 |
static void wacom_destroy_battery(struct wacom *wacom) { |
59d69bc82
|
1744 1745 1746 1747 |
if (wacom->battery.battery) { devres_release_group(&wacom->hdev->dev, &wacom->battery.bat_desc); wacom->battery.battery = NULL; |
b7af2bb84
|
1748 |
} |
a1d552cc1
|
1749 |
} |
f81a1295c
|
1750 1751 1752 1753 |
static ssize_t wacom_show_speed(struct device *dev, struct device_attribute *attr, char *buf) { |
ee79a8f84
|
1754 |
struct hid_device *hdev = to_hid_device(dev); |
f81a1295c
|
1755 1756 1757 1758 1759 1760 1761 1762 1763 1764 |
struct wacom *wacom = hid_get_drvdata(hdev); return snprintf(buf, PAGE_SIZE, "%i ", wacom->wacom_wac.bt_high_speed); } static ssize_t wacom_store_speed(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { |
ee79a8f84
|
1765 |
struct hid_device *hdev = to_hid_device(dev); |
f81a1295c
|
1766 1767 1768 1769 1770 1771 1772 1773 1774 1775 1776 1777 1778 |
struct wacom *wacom = hid_get_drvdata(hdev); u8 new_speed; if (kstrtou8(buf, 0, &new_speed)) return -EINVAL; if (new_speed != 0 && new_speed != 1) return -EINVAL; wacom_bt_query_tablet_data(hdev, new_speed, &wacom->wacom_wac.features); return count; } |
e0984bc37
|
1779 |
static DEVICE_ATTR(speed, DEV_ATTR_RW_PERM, |
f81a1295c
|
1780 |
wacom_show_speed, wacom_store_speed); |
72b236d60
|
1781 1782 1783 1784 1785 |
static ssize_t wacom_show_remote_mode(struct kobject *kobj, struct kobj_attribute *kattr, char *buf, int index) { |
2cf83833f
|
1786 |
struct device *dev = kobj_to_dev(kobj->parent); |
ee79a8f84
|
1787 |
struct hid_device *hdev = to_hid_device(dev); |
72b236d60
|
1788 1789 |
struct wacom *wacom = hid_get_drvdata(hdev); u8 mode; |
a50aac719
|
1790 |
mode = wacom->led.groups[index].select; |
bc35f73aa
|
1791 1792 |
return sprintf(buf, "%d ", mode < 3 ? mode : -1); |
72b236d60
|
1793 1794 1795 1796 1797 1798 1799 1800 1801 1802 1803 1804 1805 1806 1807 1808 1809 1810 1811 1812 1813 1814 1815 1816 1817 1818 1819 |
} #define DEVICE_EKR_ATTR_GROUP(SET_ID) \ static ssize_t wacom_show_remote##SET_ID##_mode(struct kobject *kobj, \ struct kobj_attribute *kattr, char *buf) \ { \ return wacom_show_remote_mode(kobj, kattr, buf, SET_ID); \ } \ static struct kobj_attribute remote##SET_ID##_mode_attr = { \ .attr = {.name = "remote_mode", \ .mode = DEV_ATTR_RO_PERM}, \ .show = wacom_show_remote##SET_ID##_mode, \ }; \ static struct attribute *remote##SET_ID##_serial_attrs[] = { \ &remote##SET_ID##_mode_attr.attr, \ NULL \ }; \ static struct attribute_group remote##SET_ID##_serial_group = { \ .name = NULL, \ .attrs = remote##SET_ID##_serial_attrs, \ } DEVICE_EKR_ATTR_GROUP(0); DEVICE_EKR_ATTR_GROUP(1); DEVICE_EKR_ATTR_GROUP(2); DEVICE_EKR_ATTR_GROUP(3); DEVICE_EKR_ATTR_GROUP(4); |
e6f2813a6
|
1820 1821 |
static int wacom_remote_create_attr_group(struct wacom *wacom, __u32 serial, int index) |
72b236d60
|
1822 1823 |
{ int error = 0; |
83e6b40e2
|
1824 |
struct wacom_remote *remote = wacom->remote; |
72b236d60
|
1825 |
|
e7749f6e5
|
1826 |
remote->remotes[index].group.name = devm_kasprintf(&wacom->hdev->dev, |
83e6b40e2
|
1827 1828 |
GFP_KERNEL, "%d", serial); |
e7749f6e5
|
1829 |
if (!remote->remotes[index].group.name) |
72b236d60
|
1830 |
return -ENOMEM; |
72b236d60
|
1831 |
|
f9036bd43
|
1832 |
error = __wacom_devm_sysfs_create_group(wacom, remote->remote_dir, |
e7749f6e5
|
1833 |
&remote->remotes[index].group); |
72b236d60
|
1834 |
if (error) { |
e7749f6e5
|
1835 |
remote->remotes[index].group.name = NULL; |
72b236d60
|
1836 1837 1838 |
hid_err(wacom->hdev, "cannot create sysfs group err: %d ", error); |
72b236d60
|
1839 1840 1841 1842 1843 |
return error; } return 0; } |
72b236d60
|
1844 1845 1846 1847 1848 1849 1850 1851 1852 1853 1854 1855 1856 1857 1858 1859 1860 1861 1862 1863 1864 1865 1866 1867 1868 |
static int wacom_cmd_unpair_remote(struct wacom *wacom, unsigned char selector) { const size_t buf_size = 2; unsigned char *buf; int retval; buf = kzalloc(buf_size, GFP_KERNEL); if (!buf) return -ENOMEM; buf[0] = WAC_CMD_DELETE_PAIRING; buf[1] = selector; retval = wacom_set_report(wacom->hdev, HID_OUTPUT_REPORT, buf, buf_size, WAC_CMD_RETRIES); kfree(buf); return retval; } static ssize_t wacom_store_unpair_remote(struct kobject *kobj, struct kobj_attribute *attr, const char *buf, size_t count) { unsigned char selector = 0; |
2cf83833f
|
1869 |
struct device *dev = kobj_to_dev(kobj->parent); |
ee79a8f84
|
1870 |
struct hid_device *hdev = to_hid_device(dev); |
72b236d60
|
1871 1872 1873 1874 1875 1876 1877 1878 1879 1880 1881 1882 1883 1884 1885 1886 1887 1888 1889 1890 1891 1892 1893 1894 1895 1896 1897 1898 1899 1900 |
struct wacom *wacom = hid_get_drvdata(hdev); int err; if (!strncmp(buf, "* ", 2)) { selector = WAC_CMD_UNPAIR_ALL; } else { hid_info(wacom->hdev, "remote: unrecognized unpair code: %s ", buf); return -1; } mutex_lock(&wacom->lock); err = wacom_cmd_unpair_remote(wacom, selector); mutex_unlock(&wacom->lock); return err < 0 ? err : count; } static struct kobj_attribute unpair_remote_attr = { .attr = {.name = "unpair_remote", .mode = 0200}, .store = wacom_store_unpair_remote, }; static const struct attribute *remote_unpair_attrs[] = { &unpair_remote_attr.attr, NULL }; |
83e6b40e2
|
1901 1902 1903 1904 1905 1906 1907 1908 1909 1910 1911 1912 1913 1914 |
static void wacom_remotes_destroy(void *data) { struct wacom *wacom = data; struct wacom_remote *remote = wacom->remote; if (!remote) return; kobject_put(remote->remote_dir); kfifo_free(&remote->remote_fifo); wacom->remote = NULL; } static int wacom_initialize_remotes(struct wacom *wacom) |
72b236d60
|
1915 1916 |
{ int error = 0; |
83e6b40e2
|
1917 |
struct wacom_remote *remote; |
72b236d60
|
1918 1919 1920 1921 |
int i; if (wacom->wacom_wac.features.type != REMOTE) return 0; |
83e6b40e2
|
1922 1923 1924 1925 |
remote = devm_kzalloc(&wacom->hdev->dev, sizeof(*wacom->remote), GFP_KERNEL); if (!remote) return -ENOMEM; |
72b236d60
|
1926 |
|
83e6b40e2
|
1927 1928 1929 1930 1931 1932 1933 1934 1935 1936 |
wacom->remote = remote; spin_lock_init(&remote->remote_lock); error = kfifo_alloc(&remote->remote_fifo, 5 * sizeof(struct wacom_remote_data), GFP_KERNEL); if (error) { hid_err(wacom->hdev, "failed allocating remote_fifo "); |
72b236d60
|
1937 |
return -ENOMEM; |
83e6b40e2
|
1938 |
} |
72b236d60
|
1939 |
|
e7749f6e5
|
1940 1941 1942 1943 1944 |
remote->remotes[0].group = remote0_serial_group; remote->remotes[1].group = remote1_serial_group; remote->remotes[2].group = remote2_serial_group; remote->remotes[3].group = remote3_serial_group; remote->remotes[4].group = remote4_serial_group; |
83e6b40e2
|
1945 1946 1947 1948 1949 1950 1951 |
remote->remote_dir = kobject_create_and_add("wacom_remote", &wacom->hdev->dev.kobj); if (!remote->remote_dir) return -ENOMEM; error = sysfs_create_files(remote->remote_dir, remote_unpair_attrs); |
72b236d60
|
1952 1953 1954 1955 1956 1957 1958 1959 1960 |
if (error) { hid_err(wacom->hdev, "cannot create sysfs group err: %d ", error); return error; } for (i = 0; i < WACOM_MAX_REMOTES; i++) { |
a50aac719
|
1961 |
wacom->led.groups[i].select = WACOM_STATUS_UNKNOWN; |
e7749f6e5
|
1962 |
remote->remotes[i].serial = 0; |
72b236d60
|
1963 |
} |
83e6b40e2
|
1964 1965 1966 1967 |
error = devm_add_action_or_reset(&wacom->hdev->dev, wacom_remotes_destroy, wacom); if (error) return error; |
72b236d60
|
1968 1969 |
return 0; } |
d2d13f18a
|
1970 |
static struct input_dev *wacom_allocate_input(struct wacom *wacom) |
3aac0ef10
|
1971 1972 |
{ struct input_dev *input_dev; |
b6c79f2ca
|
1973 |
struct hid_device *hdev = wacom->hdev; |
3aac0ef10
|
1974 |
struct wacom_wac *wacom_wac = &(wacom->wacom_wac); |
3aac0ef10
|
1975 |
|
3dad188e6
|
1976 |
input_dev = devm_input_allocate_device(&hdev->dev); |
d2d13f18a
|
1977 1978 |
if (!input_dev) return NULL; |
3aac0ef10
|
1979 |
|
2bdd163cf
|
1980 |
input_dev->name = wacom_wac->features.name; |
b6c79f2ca
|
1981 1982 |
input_dev->phys = hdev->phys; input_dev->dev.parent = &hdev->dev; |
3aac0ef10
|
1983 1984 |
input_dev->open = wacom_open; input_dev->close = wacom_close; |
b6c79f2ca
|
1985 1986 1987 |
input_dev->uniq = hdev->uniq; input_dev->id.bustype = hdev->bus; input_dev->id.vendor = hdev->vendor; |
12969e3bd
|
1988 |
input_dev->id.product = wacom_wac->pid ? wacom_wac->pid : hdev->product; |
b6c79f2ca
|
1989 |
input_dev->id.version = hdev->version; |
3aac0ef10
|
1990 |
input_set_drvdata(input_dev, wacom); |
d2d13f18a
|
1991 1992 |
return input_dev; } |
d9f2d203a
|
1993 1994 1995 1996 1997 1998 1999 |
static int wacom_allocate_inputs(struct wacom *wacom) { struct wacom_wac *wacom_wac = &(wacom->wacom_wac); wacom_wac->pen_input = wacom_allocate_input(wacom); wacom_wac->touch_input = wacom_allocate_input(wacom); wacom_wac->pad_input = wacom_allocate_input(wacom); |
3dad188e6
|
2000 2001 2002 |
if (!wacom_wac->pen_input || !wacom_wac->touch_input || !wacom_wac->pad_input) |
d9f2d203a
|
2003 |
return -ENOMEM; |
d9f2d203a
|
2004 |
|
2bdd163cf
|
2005 |
wacom_wac->pen_input->name = wacom_wac->pen_name; |
d9f2d203a
|
2006 2007 2008 2009 2010 |
wacom_wac->touch_input->name = wacom_wac->touch_name; wacom_wac->pad_input->name = wacom_wac->pad_name; return 0; } |
2546dacd3
|
2011 2012 |
static int wacom_register_inputs(struct wacom *wacom) { |
2a6cdbdd4
|
2013 |
struct input_dev *pen_input_dev, *touch_input_dev, *pad_input_dev; |
2546dacd3
|
2014 |
struct wacom_wac *wacom_wac = &(wacom->wacom_wac); |
2636a3f2d
|
2015 |
int error = 0; |
2546dacd3
|
2016 |
|
2a6cdbdd4
|
2017 2018 |
pen_input_dev = wacom_wac->pen_input; touch_input_dev = wacom_wac->touch_input; |
2546dacd3
|
2019 |
pad_input_dev = wacom_wac->pad_input; |
2a6cdbdd4
|
2020 |
if (!pen_input_dev || !touch_input_dev || !pad_input_dev) |
2546dacd3
|
2021 |
return -EINVAL; |
2a6cdbdd4
|
2022 2023 2024 2025 2026 2027 2028 2029 2030 |
error = wacom_setup_pen_input_capabilities(pen_input_dev, wacom_wac); if (error) { /* no pen in use on this interface */ input_free_device(pen_input_dev); wacom_wac->pen_input = NULL; pen_input_dev = NULL; } else { error = input_register_device(pen_input_dev); if (error) |
3dad188e6
|
2031 |
goto fail; |
2a6cdbdd4
|
2032 2033 2034 2035 2036 2037 2038 2039 2040 2041 |
} error = wacom_setup_touch_input_capabilities(touch_input_dev, wacom_wac); if (error) { /* no touch in use on this interface */ input_free_device(touch_input_dev); wacom_wac->touch_input = NULL; touch_input_dev = NULL; } else { error = input_register_device(touch_input_dev); |
30ebc1aea
|
2042 |
if (error) |
3dad188e6
|
2043 |
goto fail; |
30ebc1aea
|
2044 |
} |
1963518b9
|
2045 |
|
d2d13f18a
|
2046 2047 2048 2049 2050 2051 2052 2053 2054 |
error = wacom_setup_pad_input_capabilities(pad_input_dev, wacom_wac); if (error) { /* no pad in use on this interface */ input_free_device(pad_input_dev); wacom_wac->pad_input = NULL; pad_input_dev = NULL; } else { error = input_register_device(pad_input_dev); if (error) |
3dad188e6
|
2055 |
goto fail; |
d2d13f18a
|
2056 |
} |
1963518b9
|
2057 |
return 0; |
3aac0ef10
|
2058 |
|
3dad188e6
|
2059 2060 |
fail: wacom_wac->pad_input = NULL; |
2a6cdbdd4
|
2061 |
wacom_wac->touch_input = NULL; |
2a6cdbdd4
|
2062 |
wacom_wac->pen_input = NULL; |
3aac0ef10
|
2063 2064 |
return error; } |
0be017120
|
2065 2066 2067 2068 2069 2070 2071 2072 2073 2074 2075 2076 2077 2078 2079 2080 2081 2082 2083 2084 2085 2086 2087 2088 2089 2090 2091 2092 2093 2094 2095 2096 |
/* * Not all devices report physical dimensions from HID. * Compute the default from hardcoded logical dimension * and resolution before driver overwrites them. */ static void wacom_set_default_phy(struct wacom_features *features) { if (features->x_resolution) { features->x_phy = (features->x_max * 100) / features->x_resolution; features->y_phy = (features->y_max * 100) / features->y_resolution; } } static void wacom_calculate_res(struct wacom_features *features) { /* set unit to "100th of a mm" for devices not reported by HID */ if (!features->unit) { features->unit = 0x11; features->unitExpo = -3; } features->x_resolution = wacom_calc_hid_res(features->x_max, features->x_phy, features->unit, features->unitExpo); features->y_resolution = wacom_calc_hid_res(features->y_max, features->y_phy, features->unit, features->unitExpo); } |
fce9957d8
|
2097 2098 |
void wacom_battery_work(struct work_struct *work) { |
d17d1f171
|
2099 |
struct wacom *wacom = container_of(work, struct wacom, battery_work); |
fce9957d8
|
2100 2101 |
if ((wacom->wacom_wac.features.quirks & WACOM_QUIRK_BATTERY) && |
59d69bc82
|
2102 |
!wacom->battery.battery) { |
fce9957d8
|
2103 2104 2105 |
wacom_initialize_battery(wacom); } else if (!(wacom->wacom_wac.features.quirks & WACOM_QUIRK_BATTERY) && |
59d69bc82
|
2106 |
wacom->battery.battery) { |
fce9957d8
|
2107 2108 2109 |
wacom_destroy_battery(wacom); } } |
01c846f95
|
2110 2111 2112 2113 2114 2115 2116 2117 2118 |
static size_t wacom_compute_pktlen(struct hid_device *hdev) { struct hid_report_enum *report_enum; struct hid_report *report; size_t size = 0; report_enum = hdev->report_enum + HID_INPUT_REPORT; list_for_each_entry(report, &report_enum->report_list, list) { |
dabb05c66
|
2119 |
size_t report_size = hid_report_len(report); |
01c846f95
|
2120 2121 2122 2123 2124 2125 |
if (report_size > size) size = report_size; } return size; } |
fd5f92b6d
|
2126 |
static void wacom_update_name(struct wacom *wacom, const char *suffix) |
c24eab4e0
|
2127 2128 2129 |
{ struct wacom_wac *wacom_wac = &wacom->wacom_wac; struct wacom_features *features = &wacom_wac->features; |
073b50bcc
|
2130 |
char name[WACOM_NAME_MAX - 20]; /* Leave some room for suffixes */ |
c24eab4e0
|
2131 2132 2133 |
/* Generic devices name unspecified */ if ((features->type == HID_GENERIC) && !strcmp("Wacom HID", features->name)) { |
09dc28aca
|
2134 |
char *product_name = wacom->hdev->name; |
f2209d4ae
|
2135 |
|
09dc28aca
|
2136 2137 2138 2139 2140 |
if (hid_is_using_ll_driver(wacom->hdev, &usb_hid_driver)) { struct usb_interface *intf = to_usb_interface(wacom->hdev->dev.parent); struct usb_device *dev = interface_to_usbdev(intf); product_name = dev->product; } |
f2209d4ae
|
2141 |
|
09dc28aca
|
2142 2143 2144 2145 2146 2147 2148 |
if (wacom->hdev->bus == BUS_I2C) { snprintf(name, sizeof(name), "%s %X", features->name, wacom->hdev->product); } else if (strstr(product_name, "Wacom") || strstr(product_name, "wacom") || strstr(product_name, "WACOM")) { strlcpy(name, product_name, sizeof(name)); |
c24eab4e0
|
2149 |
} else { |
09dc28aca
|
2150 |
snprintf(name, sizeof(name), "Wacom %s", product_name); |
c24eab4e0
|
2151 |
} |
09dc28aca
|
2152 2153 2154 2155 2156 2157 2158 2159 2160 2161 2162 2163 2164 |
/* strip out excess whitespaces */ while (1) { char *gap = strstr(name, " "); if (gap == NULL) break; /* shift everything including the terminator */ memmove(gap, gap+1, strlen(gap)); } /* get rid of trailing whitespace */ if (name[strlen(name)-1] == ' ') name[strlen(name)-1] = '\0'; |
c24eab4e0
|
2165 |
} else { |
44b5250b9
|
2166 |
strlcpy(name, features->name, sizeof(name)); |
c24eab4e0
|
2167 |
} |
9956953ec
|
2168 2169 |
snprintf(wacom_wac->name, sizeof(wacom_wac->name), "%s%s", name, suffix); |
c24eab4e0
|
2170 |
/* Append the device type to the name */ |
2a6cdbdd4
|
2171 |
snprintf(wacom_wac->pen_name, sizeof(wacom_wac->pen_name), |
fd5f92b6d
|
2172 |
"%s%s Pen", name, suffix); |
2a6cdbdd4
|
2173 |
snprintf(wacom_wac->touch_name, sizeof(wacom_wac->touch_name), |
fd5f92b6d
|
2174 |
"%s%s Finger", name, suffix); |
c24eab4e0
|
2175 |
snprintf(wacom_wac->pad_name, sizeof(wacom_wac->pad_name), |
fd5f92b6d
|
2176 |
"%s%s Pad", name, suffix); |
c24eab4e0
|
2177 |
} |
84dfbd7f2
|
2178 2179 2180 2181 2182 2183 2184 2185 2186 2187 2188 2189 2190 2191 2192 |
static void wacom_release_resources(struct wacom *wacom) { struct hid_device *hdev = wacom->hdev; if (!wacom->resources) return; devres_release_group(&hdev->dev, wacom); wacom->resources = false; wacom->wacom_wac.pen_input = NULL; wacom->wacom_wac.touch_input = NULL; wacom->wacom_wac.pad_input = NULL; } |
d2ec58aee
|
2193 2194 2195 2196 2197 2198 |
static void wacom_set_shared_values(struct wacom_wac *wacom_wac) { if (wacom_wac->features.device_type & WACOM_DEVICETYPE_TOUCH) { wacom_wac->shared->type = wacom_wac->features.type; wacom_wac->shared->touch_input = wacom_wac->touch_input; } |
d793ff818
|
2199 |
if (wacom_wac->has_mute_touch_switch) { |
d2ec58aee
|
2200 |
wacom_wac->shared->has_mute_touch_switch = true; |
d793ff818
|
2201 2202 |
wacom_wac->shared->is_touch_on = true; } |
d2ec58aee
|
2203 2204 2205 2206 2207 2208 2209 2210 |
if (wacom_wac->shared->has_mute_touch_switch && wacom_wac->shared->touch_input) { set_bit(EV_SW, wacom_wac->shared->touch_input->evbit); input_set_capability(wacom_wac->shared->touch_input, EV_SW, SW_MUTE_DEVICE); } } |
fd5f92b6d
|
2211 |
static int wacom_parse_and_register(struct wacom *wacom, bool wireless) |
3bea733ab
|
2212 |
{ |
c58ac3a88
|
2213 2214 2215 |
struct wacom_wac *wacom_wac = &wacom->wacom_wac; struct wacom_features *features = &wacom_wac->features; struct hid_device *hdev = wacom->hdev; |
e33da8a54
|
2216 |
int error; |
7704ac937
|
2217 |
unsigned int connect_mask = HID_CONNECT_HIDRAW; |
3bea733ab
|
2218 |
|
01c846f95
|
2219 |
features->pktlen = wacom_compute_pktlen(hdev); |
c58ac3a88
|
2220 2221 |
if (features->pktlen > WACOM_PKGLEN_MAX) return -EINVAL; |
3bea733ab
|
2222 |
|
84dfbd7f2
|
2223 2224 2225 2226 |
if (!devres_open_group(&hdev->dev, wacom, GFP_KERNEL)) return -ENOMEM; wacom->resources = true; |
3f14a63a5
|
2227 2228 |
error = wacom_allocate_inputs(wacom); if (error) |
3888b0d53
|
2229 |
goto fail; |
494078b0b
|
2230 |
|
8c97a7654
|
2231 2232 2233 2234 2235 2236 2237 2238 2239 2240 2241 |
/* * Bamboo Pad has a generic hid handling for the Pen, and we switch it * into debug mode for the touch part. * We ignore the other interfaces. */ if (features->type == BAMBOO_PAD) { if (features->pktlen == WACOM_PKGLEN_PENABLED) { features->type = HID_GENERIC; } else if ((features->pktlen != WACOM_PKGLEN_BPAD_TOUCH) && (features->pktlen != WACOM_PKGLEN_BPAD_TOUCH_USB)) { error = -ENODEV; |
3888b0d53
|
2242 |
goto fail; |
8c97a7654
|
2243 2244 |
} } |
401d7d108
|
2245 2246 |
/* set the default size in case we do not get them from hid */ wacom_set_default_phy(features); |
f393ee2b8
|
2247 |
/* Retrieve the physical and logical size for touch devices */ |
c669fb2b9
|
2248 |
wacom_retrieve_hid_descriptor(hdev, features); |
42f4f2727
|
2249 |
wacom_setup_device_quirks(wacom); |
042628abd
|
2250 |
|
aa86b18cc
|
2251 2252 |
if (features->device_type == WACOM_DEVICETYPE_NONE && features->type != WIRELESS) { |
8e116d316
|
2253 |
error = features->type == HID_GENERIC ? -ENODEV : 0; |
042628abd
|
2254 |
dev_warn(&hdev->dev, "Unknown device_type for '%s'. %s.", |
8e116d316
|
2255 2256 2257 2258 |
hdev->name, error ? "Ignoring" : "Assuming pen"); if (error) |
3888b0d53
|
2259 |
goto fail; |
042628abd
|
2260 |
|
aa86b18cc
|
2261 |
features->device_type |= WACOM_DEVICETYPE_PEN; |
042628abd
|
2262 |
} |
401d7d108
|
2263 |
wacom_calculate_res(features); |
fd5f92b6d
|
2264 |
wacom_update_name(wacom, wireless ? " (WL)" : ""); |
4492effff
|
2265 |
|
8b4073596
|
2266 2267 2268 2269 2270 2271 2272 |
/* pen only Bamboo neither support touch nor pad */ if ((features->type == BAMBOO_PEN) && ((features->device_type & WACOM_DEVICETYPE_TOUCH) || (features->device_type & WACOM_DEVICETYPE_PAD))) { error = -ENODEV; goto fail; } |
a9ce7856c
|
2273 2274 2275 |
error = wacom_add_shared_data(hdev); if (error) goto fail; |
49b764aeb
|
2276 |
|
ccad85cc1
|
2277 |
if (!(features->device_type & WACOM_DEVICETYPE_WL_MONITOR) && |
f81a1295c
|
2278 2279 2280 |
(features->quirks & WACOM_QUIRK_BATTERY)) { error = wacom_initialize_battery(wacom); if (error) |
3888b0d53
|
2281 |
goto fail; |
f81a1295c
|
2282 |
} |
3f14a63a5
|
2283 2284 |
error = wacom_register_inputs(wacom); if (error) |
3888b0d53
|
2285 |
goto fail; |
f81a1295c
|
2286 |
|
b62f6465c
|
2287 |
if (wacom->wacom_wac.features.device_type & WACOM_DEVICETYPE_PAD) { |
85d2c77b7
|
2288 2289 |
error = wacom_initialize_leds(wacom); if (error) |
3888b0d53
|
2290 |
goto fail; |
85d2c77b7
|
2291 |
|
83e6b40e2
|
2292 |
error = wacom_initialize_remotes(wacom); |
b62f6465c
|
2293 |
if (error) |
3888b0d53
|
2294 |
goto fail; |
b62f6465c
|
2295 |
} |
7704ac937
|
2296 2297 |
if (features->type == HID_GENERIC) connect_mask |= HID_CONNECT_DRIVER; |
29b473913
|
2298 |
/* Regular HID work starts now */ |
7704ac937
|
2299 |
error = hid_hw_start(hdev, connect_mask); |
29b473913
|
2300 2301 2302 |
if (error) { hid_err(hdev, "hw start failed "); |
3888b0d53
|
2303 |
goto fail; |
d3825d51c
|
2304 |
} |
961794a00
|
2305 |
|
fd5f92b6d
|
2306 2307 |
if (!wireless) { /* Note that if query fails it is not a hard failure */ |
a544c619a
|
2308 |
wacom_query_tablet_data(wacom); |
fd5f92b6d
|
2309 |
} |
86e88f0e7
|
2310 2311 2312 2313 |
/* touch only Bamboo doesn't support pen */ if ((features->type == BAMBOO_TOUCH) && (features->device_type & WACOM_DEVICETYPE_PEN)) { |
4d20c332d
|
2314 2315 |
cancel_delayed_work_sync(&wacom->init_work); _wacom_query_tablet_data(wacom); |
86e88f0e7
|
2316 |
error = -ENODEV; |
b62f6465c
|
2317 |
goto fail_quirks; |
86e88f0e7
|
2318 |
} |
ccad85cc1
|
2319 |
if (features->device_type & WACOM_DEVICETYPE_WL_MONITOR) |
29b473913
|
2320 |
error = hid_hw_open(hdev); |
d2ec58aee
|
2321 |
wacom_set_shared_values(wacom_wac); |
84dfbd7f2
|
2322 |
devres_close_group(&hdev->dev, wacom); |
3bea733ab
|
2323 |
return 0; |
b62f6465c
|
2324 |
fail_quirks: |
c58ac3a88
|
2325 |
hid_hw_stop(hdev); |
3888b0d53
|
2326 |
fail: |
84dfbd7f2
|
2327 |
wacom_release_resources(wacom); |
c58ac3a88
|
2328 2329 |
return error; } |
a2f091af7
|
2330 2331 |
static void wacom_wireless_work(struct work_struct *work) { |
d17d1f171
|
2332 |
struct wacom *wacom = container_of(work, struct wacom, wireless_work); |
a2f091af7
|
2333 2334 2335 2336 2337 2338 2339 2340 2341 2342 2343 2344 2345 2346 2347 2348 2349 2350 |
struct usb_device *usbdev = wacom->usbdev; struct wacom_wac *wacom_wac = &wacom->wacom_wac; struct hid_device *hdev1, *hdev2; struct wacom *wacom1, *wacom2; struct wacom_wac *wacom_wac1, *wacom_wac2; int error; /* * Regardless if this is a disconnect or a new tablet, * remove any existing input and battery devices. */ wacom_destroy_battery(wacom); /* Stylus interface */ hdev1 = usb_get_intfdata(usbdev->config->interface[1]); wacom1 = hid_get_drvdata(hdev1); wacom_wac1 = &(wacom1->wacom_wac); |
84dfbd7f2
|
2351 |
wacom_release_resources(wacom1); |
a2f091af7
|
2352 2353 2354 2355 2356 |
/* Touch interface */ hdev2 = usb_get_intfdata(usbdev->config->interface[2]); wacom2 = hid_get_drvdata(hdev2); wacom_wac2 = &(wacom2->wacom_wac); |
84dfbd7f2
|
2357 |
wacom_release_resources(wacom2); |
a2f091af7
|
2358 2359 2360 2361 |
if (wacom_wac->pid == 0) { hid_info(wacom->hdev, "wireless tablet disconnected "); |
a2f091af7
|
2362 2363 2364 2365 2366 2367 2368 2369 2370 2371 2372 2373 2374 2375 2376 2377 2378 2379 2380 2381 2382 2383 2384 |
} else { const struct hid_device_id *id = wacom_ids; hid_info(wacom->hdev, "wireless tablet connected with PID %x ", wacom_wac->pid); while (id->bus) { if (id->vendor == USB_VENDOR_ID_WACOM && id->product == wacom_wac->pid) break; id++; } if (!id->bus) { hid_info(wacom->hdev, "ignoring unknown PID. "); return; } /* Stylus interface */ wacom_wac1->features = *((struct wacom_features *)id->driver_data); |
fd5f92b6d
|
2385 |
|
a2f091af7
|
2386 |
wacom_wac1->pid = wacom_wac->pid; |
fd5f92b6d
|
2387 2388 |
hid_hw_stop(hdev1); error = wacom_parse_and_register(wacom1, true); |
a2f091af7
|
2389 2390 2391 2392 2393 2394 2395 2396 2397 |
if (error) goto fail; /* Touch interface */ if (wacom_wac1->features.touch_max || (wacom_wac1->features.type >= INTUOSHT && wacom_wac1->features.type <= BAMBOO_PT)) { wacom_wac2->features = *((struct wacom_features *)id->driver_data); |
a2f091af7
|
2398 |
wacom_wac2->pid = wacom_wac->pid; |
fd5f92b6d
|
2399 2400 |
hid_hw_stop(hdev2); error = wacom_parse_and_register(wacom2, true); |
a2f091af7
|
2401 2402 |
if (error) goto fail; |
a2f091af7
|
2403 |
} |
9956953ec
|
2404 2405 |
strlcpy(wacom_wac->name, wacom_wac1->name, sizeof(wacom_wac->name)); |
a2f091af7
|
2406 2407 2408 2409 2410 2411 2412 2413 |
error = wacom_initialize_battery(wacom); if (error) goto fail; } return; fail: |
84dfbd7f2
|
2414 |
wacom_release_resources(wacom1); |
84dfbd7f2
|
2415 |
wacom_release_resources(wacom2); |
a2f091af7
|
2416 2417 |
return; } |
04bfa27b4
|
2418 2419 2420 |
static void wacom_remote_destroy_one(struct wacom *wacom, unsigned int index) { struct wacom_remote *remote = wacom->remote; |
e7749f6e5
|
2421 |
u32 serial = remote->remotes[index].serial; |
04bfa27b4
|
2422 |
int i; |
7c35dc3cd
|
2423 |
unsigned long flags; |
791ae2737
|
2424 2425 |
for (i = 0; i < WACOM_MAX_REMOTES; i++) { if (remote->remotes[i].serial == serial) { |
04bfa27b4
|
2426 |
|
791ae2737
|
2427 2428 2429 |
spin_lock_irqsave(&remote->remote_lock, flags); remote->remotes[i].registered = false; spin_unlock_irqrestore(&remote->remote_lock, flags); |
9f1015d45
|
2430 |
|
791ae2737
|
2431 2432 2433 2434 2435 2436 2437 |
if (remote->remotes[i].battery.battery) devres_release_group(&wacom->hdev->dev, &remote->remotes[i].battery.bat_desc); if (remote->remotes[i].group.name) devres_release_group(&wacom->hdev->dev, &remote->remotes[i]); |
04bfa27b4
|
2438 |
|
e7749f6e5
|
2439 2440 |
remote->remotes[i].serial = 0; remote->remotes[i].group.name = NULL; |
9f1015d45
|
2441 |
remote->remotes[i].battery.battery = NULL; |
04bfa27b4
|
2442 2443 2444 2445 2446 2447 2448 2449 2450 |
wacom->led.groups[i].select = WACOM_STATUS_UNKNOWN; } } } static int wacom_remote_create_one(struct wacom *wacom, u32 serial, unsigned int index) { struct wacom_remote *remote = wacom->remote; |
f9036bd43
|
2451 |
struct device *dev = &wacom->hdev->dev; |
04bfa27b4
|
2452 2453 2454 2455 2456 2457 |
int error, k; /* A remote can pair more than once with an EKR, * check to make sure this serial isn't already paired. */ for (k = 0; k < WACOM_MAX_REMOTES; k++) { |
e7749f6e5
|
2458 |
if (remote->remotes[k].serial == serial) |
04bfa27b4
|
2459 2460 2461 2462 |
break; } if (k < WACOM_MAX_REMOTES) { |
e7749f6e5
|
2463 |
remote->remotes[index].serial = serial; |
04bfa27b4
|
2464 2465 |
return 0; } |
e7749f6e5
|
2466 |
if (!devres_open_group(dev, &remote->remotes[index], GFP_KERNEL)) |
f9036bd43
|
2467 |
return -ENOMEM; |
04bfa27b4
|
2468 2469 |
error = wacom_remote_create_attr_group(wacom, serial, index); if (error) |
f9036bd43
|
2470 |
goto fail; |
04bfa27b4
|
2471 |
|
7c35dc3cd
|
2472 2473 2474 2475 2476 2477 2478 2479 2480 2481 2482 2483 2484 2485 2486 2487 2488 |
remote->remotes[index].input = wacom_allocate_input(wacom); if (!remote->remotes[index].input) { error = -ENOMEM; goto fail; } remote->remotes[index].input->uniq = remote->remotes[index].group.name; remote->remotes[index].input->name = wacom->wacom_wac.pad_name; if (!remote->remotes[index].input->name) { error = -EINVAL; goto fail; } error = wacom_setup_pad_input_capabilities(remote->remotes[index].input, &wacom->wacom_wac); if (error) goto fail; |
e7749f6e5
|
2489 |
remote->remotes[index].serial = serial; |
04bfa27b4
|
2490 |
|
7c35dc3cd
|
2491 2492 2493 |
error = input_register_device(remote->remotes[index].input); if (error) goto fail; |
97f5541fc
|
2494 2495 2496 2497 2498 |
error = wacom_led_groups_alloc_and_register_one( &remote->remotes[index].input->dev, wacom, index, 3, true); if (error) goto fail; |
7c35dc3cd
|
2499 |
remote->remotes[index].registered = true; |
e7749f6e5
|
2500 |
devres_close_group(dev, &remote->remotes[index]); |
04bfa27b4
|
2501 |
return 0; |
f9036bd43
|
2502 2503 |
fail: |
e7749f6e5
|
2504 2505 |
devres_release_group(dev, &remote->remotes[index]); remote->remotes[index].serial = 0; |
f9036bd43
|
2506 |
return error; |
04bfa27b4
|
2507 |
} |
9f1015d45
|
2508 2509 2510 2511 2512 2513 2514 2515 2516 2517 2518 2519 2520 2521 2522 2523 2524 2525 2526 2527 2528 |
static int wacom_remote_attach_battery(struct wacom *wacom, int index) { struct wacom_remote *remote = wacom->remote; int error; if (!remote->remotes[index].registered) return 0; if (remote->remotes[index].battery.battery) return 0; if (wacom->led.groups[index].select == WACOM_STATUS_UNKNOWN) return 0; error = __wacom_initialize_battery(wacom, &wacom->remote->remotes[index].battery); if (error) return error; return 0; } |
e6f2813a6
|
2529 2530 2531 |
static void wacom_remote_work(struct work_struct *work) { struct wacom *wacom = container_of(work, struct wacom, remote_work); |
83e6b40e2
|
2532 |
struct wacom_remote *remote = wacom->remote; |
e6f2813a6
|
2533 2534 2535 2536 |
struct wacom_remote_data data; unsigned long flags; unsigned int count; u32 serial; |
04bfa27b4
|
2537 |
int i; |
e6f2813a6
|
2538 |
|
83e6b40e2
|
2539 |
spin_lock_irqsave(&remote->remote_lock, flags); |
e6f2813a6
|
2540 |
|
83e6b40e2
|
2541 |
count = kfifo_out(&remote->remote_fifo, &data, sizeof(data)); |
e6f2813a6
|
2542 2543 2544 2545 2546 |
if (count != sizeof(data)) { hid_err(wacom->hdev, "workitem triggered without status available "); |
83e6b40e2
|
2547 |
spin_unlock_irqrestore(&remote->remote_lock, flags); |
e6f2813a6
|
2548 2549 |
return; } |
83e6b40e2
|
2550 |
if (!kfifo_is_empty(&remote->remote_fifo)) |
e6f2813a6
|
2551 |
wacom_schedule_work(&wacom->wacom_wac, WACOM_WORKER_REMOTE); |
83e6b40e2
|
2552 |
spin_unlock_irqrestore(&remote->remote_lock, flags); |
e6f2813a6
|
2553 2554 2555 2556 |
for (i = 0; i < WACOM_MAX_REMOTES; i++) { serial = data.remote[i].serial; if (data.remote[i].connected) { |
9f1015d45
|
2557 2558 |
if (remote->remotes[i].serial == serial) { wacom_remote_attach_battery(wacom, i); |
e6f2813a6
|
2559 |
continue; |
9f1015d45
|
2560 |
} |
e6f2813a6
|
2561 |
|
e7749f6e5
|
2562 |
if (remote->remotes[i].serial) |
04bfa27b4
|
2563 |
wacom_remote_destroy_one(wacom, i); |
e6f2813a6
|
2564 |
|
04bfa27b4
|
2565 |
wacom_remote_create_one(wacom, serial, i); |
e6f2813a6
|
2566 |
|
e7749f6e5
|
2567 |
} else if (remote->remotes[i].serial) { |
04bfa27b4
|
2568 |
wacom_remote_destroy_one(wacom, i); |
e6f2813a6
|
2569 2570 2571 |
} } } |
4082da80f
|
2572 2573 2574 2575 2576 2577 2578 2579 2580 2581 2582 2583 2584 2585 2586 2587 2588 2589 2590 2591 2592 2593 2594 2595 2596 2597 2598 2599 2600 2601 2602 2603 2604 2605 2606 2607 |
static void wacom_mode_change_work(struct work_struct *work) { struct wacom *wacom = container_of(work, struct wacom, mode_change_work); struct wacom_shared *shared = wacom->wacom_wac.shared; struct wacom *wacom1 = NULL; struct wacom *wacom2 = NULL; bool is_direct = wacom->wacom_wac.is_direct_mode; int error = 0; if (shared->pen) { wacom1 = hid_get_drvdata(shared->pen); wacom_release_resources(wacom1); hid_hw_stop(wacom1->hdev); wacom1->wacom_wac.has_mode_change = true; wacom1->wacom_wac.is_direct_mode = is_direct; } if (shared->touch) { wacom2 = hid_get_drvdata(shared->touch); wacom_release_resources(wacom2); hid_hw_stop(wacom2->hdev); wacom2->wacom_wac.has_mode_change = true; wacom2->wacom_wac.is_direct_mode = is_direct; } if (wacom1) { error = wacom_parse_and_register(wacom1, false); if (error) return; } if (wacom2) { error = wacom_parse_and_register(wacom2, false); if (error) return; } |
a2f091af7
|
2608 2609 |
return; } |
c58ac3a88
|
2610 2611 2612 2613 2614 2615 2616 2617 2618 2619 2620 2621 2622 2623 2624 2625 2626 |
static int wacom_probe(struct hid_device *hdev, const struct hid_device_id *id) { struct usb_interface *intf = to_usb_interface(hdev->dev.parent); struct usb_device *dev = interface_to_usbdev(intf); struct wacom *wacom; struct wacom_wac *wacom_wac; struct wacom_features *features; int error; if (!id->driver_data) return -EINVAL; hdev->quirks |= HID_QUIRK_NO_INIT_REPORTS; /* hid-core sets this quirk for the boot interface */ hdev->quirks &= ~HID_QUIRK_NOGET; |
19b643300
|
2627 |
wacom = devm_kzalloc(&hdev->dev, sizeof(struct wacom), GFP_KERNEL); |
c58ac3a88
|
2628 2629 2630 2631 2632 2633 2634 2635 2636 |
if (!wacom) return -ENOMEM; hid_set_drvdata(hdev, wacom); wacom->hdev = hdev; wacom_wac = &wacom->wacom_wac; wacom_wac->features = *((struct wacom_features *)id->driver_data); features = &wacom_wac->features; |
362c571b9
|
2637 2638 |
if (features->check_for_hid_type && features->hid_type != hdev->type) return -ENODEV; |
c58ac3a88
|
2639 |
|
797c128d3
|
2640 |
error = wacom_devm_kfifo_alloc(wacom); |
834172064
|
2641 |
if (error) |
362c571b9
|
2642 |
return error; |
834172064
|
2643 |
|
c6fa1aeba
|
2644 |
wacom_wac->hid_data.inputmode = -1; |
326ea2a90
|
2645 |
wacom_wac->mode_report = -1; |
c6fa1aeba
|
2646 |
|
c58ac3a88
|
2647 2648 2649 |
wacom->usbdev = dev; wacom->intf = intf; mutex_init(&wacom->lock); |
a544c619a
|
2650 |
INIT_DELAYED_WORK(&wacom->init_work, wacom_init_work); |
d17d1f171
|
2651 2652 |
INIT_WORK(&wacom->wireless_work, wacom_wireless_work); INIT_WORK(&wacom->battery_work, wacom_battery_work); |
e6f2813a6
|
2653 |
INIT_WORK(&wacom->remote_work, wacom_remote_work); |
4082da80f
|
2654 |
INIT_WORK(&wacom->mode_change_work, wacom_mode_change_work); |
c58ac3a88
|
2655 2656 2657 2658 2659 2660 |
/* ask for the report descriptor to be loaded by HID */ error = hid_parse(hdev); if (error) { hid_err(hdev, "parse failed "); |
362c571b9
|
2661 |
return error; |
c58ac3a88
|
2662 |
} |
fd5f92b6d
|
2663 |
error = wacom_parse_and_register(wacom, false); |
c58ac3a88
|
2664 |
if (error) |
362c571b9
|
2665 |
return error; |
c58ac3a88
|
2666 2667 2668 2669 2670 2671 2672 2673 2674 2675 2676 |
if (hdev->bus == BUS_BLUETOOTH) { error = device_create_file(&hdev->dev, &dev_attr_speed); if (error) hid_warn(hdev, "can't create sysfs speed attribute err: %d ", error); } return 0; |
3bea733ab
|
2677 |
} |
29b473913
|
2678 |
static void wacom_remove(struct hid_device *hdev) |
3bea733ab
|
2679 |
{ |
29b473913
|
2680 |
struct wacom *wacom = hid_get_drvdata(hdev); |
f62051617
|
2681 2682 2683 2684 2685 |
struct wacom_wac *wacom_wac = &wacom->wacom_wac; struct wacom_features *features = &wacom_wac->features; if (features->device_type & WACOM_DEVICETYPE_WL_MONITOR) hid_hw_close(hdev); |
3bea733ab
|
2686 |
|
29b473913
|
2687 |
hid_hw_stop(hdev); |
e72240944
|
2688 |
|
a544c619a
|
2689 |
cancel_delayed_work_sync(&wacom->init_work); |
d17d1f171
|
2690 2691 |
cancel_work_sync(&wacom->wireless_work); cancel_work_sync(&wacom->battery_work); |
e6f2813a6
|
2692 |
cancel_work_sync(&wacom->remote_work); |
4082da80f
|
2693 |
cancel_work_sync(&wacom->mode_change_work); |
f81a1295c
|
2694 2695 |
if (hdev->bus == BUS_BLUETOOTH) device_remove_file(&hdev->dev, &dev_attr_speed); |
e72240944
|
2696 |
|
c0265a948
|
2697 2698 |
/* make sure we don't trigger the LEDs */ wacom_led_groups_release(wacom); |
b6b1f19b0
|
2699 2700 2701 |
if (wacom->wacom_wac.features.type != REMOTE) wacom_release_resources(wacom); |
e72240944
|
2702 |
} |
41a745814
|
2703 |
#ifdef CONFIG_PM |
29b473913
|
2704 |
static int wacom_resume(struct hid_device *hdev) |
e72240944
|
2705 |
{ |
29b473913
|
2706 |
struct wacom *wacom = hid_get_drvdata(hdev); |
e72240944
|
2707 2708 |
mutex_lock(&wacom->lock); |
38101475f
|
2709 2710 |
/* switch to wacom mode first */ |
a544c619a
|
2711 |
_wacom_query_tablet_data(wacom); |
5d7e7d479
|
2712 |
wacom_led_control(wacom); |
38101475f
|
2713 |
|
e72240944
|
2714 |
mutex_unlock(&wacom->lock); |
29b473913
|
2715 |
return 0; |
e72240944
|
2716 |
} |
29b473913
|
2717 |
static int wacom_reset_resume(struct hid_device *hdev) |
e72240944
|
2718 |
{ |
29b473913
|
2719 |
return wacom_resume(hdev); |
3bea733ab
|
2720 |
} |
41a745814
|
2721 |
#endif /* CONFIG_PM */ |
3bea733ab
|
2722 |
|
29b473913
|
2723 |
static struct hid_driver wacom_driver = { |
3bea733ab
|
2724 |
.name = "wacom", |
b036f6fb3
|
2725 |
.id_table = wacom_ids, |
3bea733ab
|
2726 |
.probe = wacom_probe, |
29b473913
|
2727 |
.remove = wacom_remove, |
7704ac937
|
2728 |
.report = wacom_wac_report, |
29b473913
|
2729 |
#ifdef CONFIG_PM |
e72240944
|
2730 2731 |
.resume = wacom_resume, .reset_resume = wacom_reset_resume, |
29b473913
|
2732 2733 |
#endif .raw_event = wacom_raw_event, |
3bea733ab
|
2734 |
}; |
29b473913
|
2735 |
module_hid_driver(wacom_driver); |
f2e0a7d4a
|
2736 2737 2738 2739 |
MODULE_VERSION(DRIVER_VERSION); MODULE_AUTHOR(DRIVER_AUTHOR); MODULE_DESCRIPTION(DRIVER_DESC); |
7021b6007
|
2740 |
MODULE_LICENSE("GPL"); |