cregit-Linux how code gets into the kernel

Release 4.7 drivers/hid/wacom_sys.c

Directory: drivers/hid
/*
 * drivers/input/tablet/wacom_sys.c
 *
 *  USB Wacom tablet support - system specific code
 */

/*
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 */

#include "wacom_wac.h"
#include "wacom.h"
#include <linux/input/mt.h>


#define WAC_MSG_RETRIES		5


#define WAC_CMD_WL_LED_CONTROL	0x03

#define WAC_CMD_LED_CONTROL	0x20

#define WAC_CMD_ICON_START	0x21

#define WAC_CMD_ICON_XFER	0x23

#define WAC_CMD_ICON_BT_XFER	0x26

#define WAC_CMD_RETRIES		10

#define WAC_CMD_DELETE_PAIRING	0x20

#define WAC_CMD_UNPAIR_ALL	0xFF

#define WAC_REMOTE_SERIAL_MAX_STRLEN	9


#define DEV_ATTR_RW_PERM (S_IRUGO | S_IWUSR | S_IWGRP)

#define DEV_ATTR_WO_PERM (S_IWUSR | S_IWGRP)

#define DEV_ATTR_RO_PERM (S_IRUSR | S_IRGRP)


static int wacom_get_report(struct hid_device *hdev, u8 type, u8 *buf, size_t size, unsigned int retries) { int retval; do { retval = hid_hw_raw_request(hdev, buf[0], buf, size, type, HID_REQ_GET_REPORT); } while ((retval == -ETIMEDOUT || retval == -EAGAIN) && --retries); if (retval < 0) hid_err(hdev, "wacom_get_report: ran out of retries " "(last error = %d)\n", retval); return retval; }

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eduard hasenleithnereduard hasenleithner3640.91%120.00%
ping chengping cheng2831.82%240.00%
jason gereckejason gerecke1719.32%120.00%
benjamin tissoiresbenjamin tissoires77.95%120.00%
Total88100.00%5100.00%


static int wacom_set_report(struct hid_device *hdev, u8 type, u8 *buf, size_t size, unsigned int retries) { int retval; do { retval = hid_hw_raw_request(hdev, buf[0], buf, size, type, HID_REQ_SET_REPORT); } while ((retval == -ETIMEDOUT || retval == -EAGAIN) && --retries); if (retval < 0) hid_err(hdev, "wacom_set_report: ran out of retries " "(last error = %d)\n", retval); return retval; }

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eduard hasenleithnereduard hasenleithner3742.05%120.00%
ping chengping cheng2326.14%120.00%
jason gereckejason gerecke1719.32%120.00%
benjamin tissoiresbenjamin tissoires77.95%120.00%
przemo firsztprzemo firszt44.55%120.00%
Total88100.00%5100.00%


static int wacom_raw_event(struct hid_device *hdev, struct hid_report *report, u8 *raw_data, int size) { struct wacom *wacom = hid_get_drvdata(hdev); if (size > WACOM_PKGLEN_MAX) return 1; memcpy(wacom->wacom_wac.data, raw_data, size); wacom_wac_irq(&wacom->wacom_wac, size); return 0; }

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benjamin tissoiresbenjamin tissoires3855.88%125.00%
ping chengping cheng2841.18%125.00%
dmitry torokhovdmitry torokhov11.47%125.00%
adrian bunkadrian bunk11.47%125.00%
Total68100.00%4100.00%


static int wacom_open(struct input_dev *dev) { struct wacom *wacom = input_get_drvdata(dev); return hid_hw_open(wacom->hdev); }

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ping chengping cheng1862.07%233.33%
dmitry torokhovdmitry torokhov620.69%233.33%
benjamin tissoiresbenjamin tissoires517.24%233.33%
Total29100.00%6100.00%


static void wacom_close(struct input_dev *dev) { struct wacom *wacom = input_get_drvdata(dev); hid_hw_close(wacom->hdev); }

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dmitry torokhovdmitry torokhov1346.43%133.33%
ping chengping cheng1346.43%133.33%
benjamin tissoiresbenjamin tissoires27.14%133.33%
Total28100.00%3100.00%

/* * Calculate the resolution of the X or Y axis using hidinput_calc_abs_res. */
static int wacom_calc_hid_res(int logical_extents, int physical_extents, unsigned unit, int exponent) { 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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benjamin tissoiresbenjamin tissoires2852.83%266.67%
jason gereckejason gerecke2547.17%133.33%
Total53100.00%3100.00%


static void wacom_feature_mapping(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; struct hid_data *hid_data = &wacom->wacom_wac.hid_data; u8 *data; int ret; switch (usage->hid) { case HID_DG_CONTACTMAX: /* leave touch_max as is if predefined */ if (!features->touch_max) { /* read manually */ data = kzalloc(2, GFP_KERNEL); if (!data) break; data[0] = field->report->id; ret = wacom_get_report(hdev, HID_FEATURE_REPORT, data, 2, WAC_CMD_RETRIES); if (ret == 2) { features->touch_max = data[1]; } else { features->touch_max = 16; hid_warn(hdev, "wacom_feature_mapping: " "could not get HID_DG_CONTACTMAX, " "defaulting to %d\n", features->touch_max); } kfree(data); } break; 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\n"); break; } hid_data->inputmode = field->report->id; hid_data->inputmode_index = usage->usage_index; break; case HID_UP_DIGITIZER: if (field->report->id == 0x0B && (field->application == WACOM_G9_DIGITIZER || field->application == WACOM_G11_DIGITIZER)) { wacom->wacom_wac.mode_report = field->report->id; wacom->wacom_wac.mode_value = 0; } break; case WACOM_G9_PAGE: case WACOM_G11_PAGE: if (field->report->id == 0x03 && (field->application == WACOM_G9_TOUCHSCREEN || field->application == WACOM_G11_TOUCHSCREEN)) { wacom->wacom_wac.mode_report = field->report->id; wacom->wacom_wac.mode_value = 0; } break; } }

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benjamin tissoiresbenjamin tissoires16752.35%350.00%
jason gereckejason gerecke12840.13%233.33%
chris bagwellchris bagwell247.52%116.67%
Total319100.00%6100.00%

/* * 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. * * Intuos5 touch interface and 3rd gen Bamboo Touch do not contain useful * data. We deal with them after returning from this function. */
static void wacom_usage_mapping(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; bool finger = WACOM_FINGER_FIELD(field); bool pen = WACOM_PEN_FIELD(field); /* * Requiring Stylus Usage will ignore boot mouse * X/Y values and some cases of invalid Digitizer X/Y * values commonly reported. */ if (pen) features->device_type |= WACOM_DEVICETYPE_PEN; else if (finger) features->device_type |= WACOM_DEVICETYPE_TOUCH; else return; /* * Bamboo models do not support HID_DG_CONTACTMAX. * And, Bamboo Pen only descriptor contains touch. */ if (features->type > BAMBOO_PT) { /* ISDv4 touch devices at least supports one touch point */ if (finger && !features->touch_max) features->touch_max = 1; } switch (usage->hid) { case HID_GD_X: features->x_max = field->logical_maximum; if (finger) { features->x_phy = field->physical_maximum; if ((features->type != BAMBOO_PT) && (features->type != BAMBOO_TOUCH)) { features->unit = field->unit; features->unitExpo = field->unit_exponent; } } break; case HID_GD_Y: features->y_max = field->logical_maximum; if (finger) { features->y_phy = field->physical_maximum; if ((features->type != BAMBOO_PT) && (features->type != BAMBOO_TOUCH)) { features->unit = field->unit; features->unitExpo = field->unit_exponent; } } break; case HID_DG_TIPPRESSURE: if (pen) features->pressure_max = field->logical_maximum; break; } if (features->type == HID_GENERIC) wacom_wac_usage_mapping(hdev, field, usage); }

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benjamin tissoiresbenjamin tissoires13649.45%423.53%
ping chengping cheng9735.27%847.06%
jason gereckejason gerecke4215.27%529.41%
Total275100.00%17100.00%


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 */ if (features->touch_max > 1) { input_mt_init_slots(wacom_wac->touch_input, wacom_wac->features.touch_max, INPUT_MT_DIRECT); } } }

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jason gereckejason gerecke72100.00%2100.00%
Total72100.00%2100.00%


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); } } } /* 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); } wacom_post_parse_hid(hdev, features); }

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benjamin tissoiresbenjamin tissoires17678.92%111.11%
ping chengping cheng229.87%555.56%
jason gereckejason gerecke135.83%222.22%
chris bagwellchris bagwell125.38%111.11%
Total223100.00%9100.00%


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; }

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benjamin tissoiresbenjamin tissoires111100.00%1100.00%
Total111100.00%1100.00%


static int wacom_set_device_mode(struct hid_device *hdev, struct wacom_wac *wacom_wac) { u8 *rep_data; struct hid_report *r; struct hid_report_enum *re; int length; int error = -ENOMEM, limit = 0; 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); if (!rep_data) return -ENOMEM; length = hid_report_len(r); do { rep_data[0] = wacom_wac->mode_report; rep_data[1] = wacom_wac->mode_value; error = wacom_set_report(hdev, HID_FEATURE_REPORT, rep_data, length, 1); if (error >= 0) error = wacom_get_report(hdev, HID_FEATURE_REPORT, rep_data, length, 1); } while (error >= 0 && rep_data[1] != wacom_wac->mode_report && limit++ < WAC_MSG_RETRIES); kfree(rep_data); return error < 0 ? error : 0; }

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jason gereckejason gerecke10350.74%330.00%
ping chengping cheng4321.18%220.00%
dmitry torokhovdmitry torokhov2713.30%110.00%
benjamin tissoiresbenjamin tissoires2512.32%220.00%
eduard hasenleithnereduard hasenleithner31.48%110.00%
chris bagwellchris bagwell20.99%110.00%
Total203100.00%10100.00%


static int wacom_bt_query_tablet_data(struct hid_device *hdev, u8 speed, struct wacom_features *features) { 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; ret = wacom_set_report(hdev, HID_FEATURE_REPORT, rep_data, 2, 3); if (ret >= 0) { rep_data[0] = speed == 0 ? 0x05 : 0x06; rep_data[1] = 0x00; ret = wacom_set_report(hdev, HID_FEATURE_REPORT, rep_data, 2, 3); 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\n", rep_data[0], ret); break; 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; ret = wacom_set_report(hdev, HID_FEATURE_REPORT, rep_data, 2, 1); if (ret >= 0) wacom->wacom_wac.bt_high_speed = speed; break; } return 0; }

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benjamin tissoiresbenjamin tissoires234100.00%3100.00%
Total234100.00%3100.00%

/* * 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. */
static int wacom_query_tablet_data(struct hid_device *hdev, struct wacom_features *features) { struct wacom *wacom = hid_get_drvdata(hdev); struct wacom_wac *wacom_wac = &wacom->wacom_wac; if (hdev->bus == BUS_BLUETOOTH) return wacom_bt_query_tablet_data(hdev, 1, features); 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; } } } wacom_set_device_mode(hdev, wacom_wac); if (features->type == HID_GENERIC) return wacom_hid_set_device_mode(hdev); return 0; }

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jason gereckejason gerecke15167.71%433.33%
benjamin tissoiresbenjamin tissoires4118.39%433.33%
ping chengping cheng2310.31%216.67%
dmitry torokhovdmitry torokhov73.14%18.33%
chris bagwellchris bagwell10.45%18.33%
Total223100.00%12100.00%


static void wacom_retrieve_hid_descriptor(struct hid_device *hdev, struct wacom_features *features) { struct wacom *wacom = hid_get_drvdata(hdev); struct usb_interface *intf = wacom->intf; /* default features */ features->x_fuzz = 4; features->y_fuzz = 4; features->pressure_fuzz = 0; features->distance_fuzz = 1; features->tilt_fuzz = 1; /* * 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) { if (intf->cur_altsetting->desc.bInterfaceNumber == 0) features->device_type = WACOM_DEVICETYPE_WL_MONITOR; else features->device_type = WACOM_DEVICETYPE_NONE; return; } wacom_parse_hid(hdev, features); }

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PersonTokensPropCommitsCommitProp
chris bagwellchris bagwell3330.00%111.11%
benjamin tissoiresbenjamin tissoires2220.00%222.22%
henrik rydberghenrik rydberg2220.00%111.11%
ping chengping cheng2119.09%111.11%
jason gereckejason gerecke1110.00%333.33%
dmitry torokhovdmitry torokhov10.91%111.11%
Total110100.00%9100.00%

struct wacom_hdev_data { struct list_head list; struct kref kref; struct hid_device *dev; struct wacom_shared shared; }; static LIST_HEAD(wacom_udev_list); static DEFINE_MUTEX(wacom_udev_list_lock);
static bool wacom_are_sibling(struct hid_device *hdev, struct hid_device *sibling) { struct wacom *wacom = hid_get_drvdata(hdev); struct wacom_features *features = &wacom->wacom_wac.features; int vid = features->oVid; int pid = features->oPid; int n1,n2; if (vid == 0 && pid == 0) { vid = hdev->vendor; pid = hdev->product; } if (vid != sibling->vendor || pid != sibling->product) return false; /* Compare the physical path. */ n1 = strrchr(hdev->phys, '.') - hdev->phys; n2 = strrchr(sibling->phys, '.') - sibling->phys; if (n1 != n2 || n1 <= 0 || n2 <= 0) return false; return !strncmp(hdev->phys, sibling->phys, n1); }

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benjamin tissoiresbenjamin tissoires12175.16%150.00%
jason gereckejason gerecke4024.84%150.00%
Total161100.00%2100.00%


static struct wacom_hdev_data *wacom_get_hdev_data(struct hid_device *hdev) { struct wacom_hdev_data *data; list_for_each_entry(data, &wacom_udev_list, list) { if (wacom_are_sibling(hdev, data->dev)) { kref_get(&data->kref); return data; } } return NULL; }

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ping chengping cheng4581.82%150.00%
benjamin tissoiresbenjamin tissoires1018.18%150.00%
Total55100.00%2100.00%


static int wacom_add_shared_data(struct hid_device *hdev) { struct wacom *wacom = hid_get_drvdata(hdev); struct wacom_wac *wacom_wac = &wacom->wacom_wac; struct wacom_hdev_data *data; int retval = 0; mutex_lock(&wacom_udev_list_lock); data = wacom_get_hdev_data(hdev); if (!data) { data = kzalloc(sizeof(struct wacom_hdev_data), GFP_KERNEL); if (!data) { retval = -ENOMEM; goto out; } kref_init(&data->kref); data->dev = hdev; list_add_tail(&data->list, &wacom_udev_list); } wacom_wac->shared = &data->shared; 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; out: mutex_unlock(&wacom_udev_list_lock); return retval; }

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ping chengping cheng10762.57%125.00%
benjamin tissoiresbenjamin tissoires6035.09%250.00%
jason gereckejason gerecke42.34%125.00%
Total171100.00%4100.00%


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); }

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ping chengping cheng4996.08%150.00%
benjamin tissoiresbenjamin tissoires23.92%150.00%
Total51100.00%2100.00%


static void wacom_remove_shared_data(struct wacom *wacom) { 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; } }

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benjamin tissoiresbenjamin tissoires5754.29%266.67%
ping chengping cheng4845.71%133.33%
Total105100.00%3100.00%


static int wacom_led_control(struct wacom *wacom) { unsigned char *buf; int retval; unsigned char report_id = WAC_CMD_LED_CONTROL; int buf_size = 9; if (wacom->wacom_wac.pid) { /* wireless connected */ report_id = WAC_CMD_WL_LED_CONTROL; buf_size = 13; } buf = kzalloc(buf_size, GFP_KERNEL); if (!buf) return -ENOMEM; if (wacom->wacom_wac.features.type >= INTUOS5S && wacom->wacom_wac.features.type <= INTUOSPL) { /* * Touch Ring and crop mark LED luminance may take on * one of four values: * 0 = Low; 1 = Medium; 2 = High; 3 = Off */ int ring_led = wacom->led.select[0] & 0x03; int ring_lum = (((wacom->led.llv & 0x60) >> 5) - 1) & 0x03; int crop_lum = 0; 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; } else { int led = wacom->led.select[0] | 0x4; if (wacom->wacom_wac.features.type == WACOM_21UX2 || wacom->wacom_wac.features.type == WACOM_24HD) led |= (wacom->led.select[1] << 4) | 0x40; buf[0] = report_id; buf[1] = led; buf[2] = wacom->led.llv; buf[3] = wacom->led.hlv; buf[4] = wacom->led.img_lum; } retval = wacom_set_report(wacom->hdev, HID_FEATURE_REPORT, buf, buf_size, WAC_CMD_RETRIES); kfree(buf); return retval; }

Contributors

PersonTokensPropCommitsCommitProp
ping chengping cheng14844.05%440.00%
jason gereckejason gerecke10531.25%220.00%
eduard hasenleithnereduard hasenleithner7522.32%110.00%
jason childsjason childs41.19%110.00%
benjamin tissoiresbenjamin tissoires20.60%110.00%
dmitry torokhovdmitry torokhov20.60%110.00%
Total336100.00%10100.00%


static int wacom_led_putimage(struct wacom *wacom, int button_id, u8 xfer_id, const unsigned len, const void *img) { unsigned char *buf; int i, retval; const unsigned chunk_len = len / 4; /* 4 chunks are needed to be sent */ buf = kzalloc(chunk_len + 3 , GFP_KERNEL); if (!buf) return -ENOMEM; /* Send 'start' command */ buf[0] = WAC_CMD_ICON_START; buf[1] = 1; retval = wacom_set_report(wacom->hdev, HID_FEATURE_REPORT, buf, 2, WAC_CMD_RETRIES); if (retval < 0) goto out; buf[0] = xfer_id; buf[1] = button_id & 0x07; for (i = 0; i < 4; i++) { buf[2] = i; memcpy(buf + 3, img + i * chunk_len, chunk_len); retval = wacom_set_report(wacom->hdev, HID_FEATURE_REPORT, buf, chunk_len + 3, WAC_CMD_RETRIES); if (retval < 0) break; } /* Send 'stop' */ buf[0] = WAC_CMD_ICON_START; buf[1] = 0; wacom_set_report(wacom->hdev, HID_FEATURE_REPORT, buf, 2, WAC_CMD_RETRIES); out: kfree(buf); return retval; }

Contributors

PersonTokensPropCommitsCommitProp
eduard hasenleithnereduard hasenleithner19486.22%133.33%
benjamin tissoiresbenjamin tissoires3113.78%266.67%
Total225100.00%3100.00%


static ssize_t wacom_led_select_store(struct device *dev, int set_id, const char *buf, size_t count) { struct hid_device *hdev = to_hid_device(dev); struct wacom *wacom = hid_get_drvdata(hdev); unsigned int id; int err; err = kstrtouint(buf, 10, &id); if (err) return err; mutex_lock(&wacom->lock); wacom->led.select[set_id] = id & 0x3; err = wacom_led_control(wacom); mutex_unlock(&wacom->lock); return err < 0 ? err : count; }

Contributors

PersonTokensPropCommitsCommitProp
eduard hasenleithnereduard hasenleithner9382.30%125.00%
benjamin tissoiresbenjamin tissoires1210.62%125.00%
ping chengping cheng76.19%125.00%
geliang tanggeliang tang10.88%125.00%
Total113100.00%4100.00%

#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); \ } \ static ssize_t wacom_led##SET_ID##_select_show(struct device *dev, \ struct device_attribute *attr, char *buf) \ { \ struct hid_device *hdev = to_hid_device(dev);\ struct wacom *wacom = hid_get_drvdata(hdev); \ return scnprintf(buf, PAGE_SIZE, "%d\n", \ wacom->led.select[SET_ID]); \ } \ static DEVICE_ATTR(status_led##SET_ID##_select, DEV_ATTR_RW_PERM, \ wacom_led##SET_ID##_select_show, \ wacom_led##SET_ID##_select_store) DEVICE_LED_SELECT_ATTR(0); DEVICE_LED_SELECT_ATTR(1);
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; }

Contributors

PersonTokensPropCommitsCommitProp
eduard hasenleithnereduard hasenleithner88100.00%1100.00%
Total88100.00%1100.00%

#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) \ { \ struct hid_device *hdev = to_hid_device(dev);\ struct wacom *wacom = hid_get_drvdata(hdev); \ \ return wacom_luminance_store(wacom, &wacom->led.field, \ buf, count); \ } \ 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\n", wacom->led.field); \ } \ static DEVICE_ATTR(name##_luminance, DEV_ATTR_RW_PERM, \ wacom_##name##_luminance_show, \ wacom_##name##_luminance_store) 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) { struct hid_device *hdev = to_hid_device(dev); struct wacom *wacom = hid_get_drvdata(hdev); int err; 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; } if (count != len) return -EINVAL; mutex_lock(&wacom->lock); err = wacom_led_putimage(wacom, button_id, xfer_id, len, buf); mutex_unlock(&wacom->lock); return err < 0 ? err : count; }

Contributors

PersonTokensPropCommitsCommitProp
eduard hasenleithnereduard hasenleithner7759.23%125.00%
benjamin tissoiresbenjamin tissoires5240.00%250.00%
geliang tanggeliang tang10.77%125.00%
Total130100.00%4100.00%

#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); \ } \ static DEVICE_ATTR(button##BUTTON_ID##_rawimg, DEV_ATTR_WO_PERM, \ 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); 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[] = { &dev_attr_status0_luminance.attr, &dev_attr_status1_luminance.attr, &dev_attr_status_led0_select.attr, &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 }; static struct attribute_group intuos4_led_attr_group = { .name = "wacom_led", .attrs = intuos4_led_attrs, }; 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, };
static int wacom_initialize_leds(struct wacom *wacom) { int error; if (!(wacom->wacom_wac.features.device_type & WACOM_DEVICETYPE_PAD)) return 0; /* Initialize default values */ switch (wacom->wacom_wac.features.type) { case INTUOS4S: case INTUOS4: case INTUOS4WL: case INTUOS4L: wacom->led.select[0] = 0; wacom->led.select[1] = 0; wacom->led.llv = 10; wacom->led.hlv = 20; wacom->led.img_lum = 10; error = sysfs_create_group(&wacom->hdev->dev.kobj, &intuos4_led_attr_group); break; case WACOM_24HD: case WACOM_21UX2: wacom->led.select[0] = 0; wacom->led.select[1] = 0; wacom->led.llv = 0; wacom->led.hlv = 0; wacom->led.img_lum = 0; error = sysfs_create_group(&wacom->hdev->dev.kobj, &cintiq_led_attr_group); break; case INTUOS5S: case INTUOS5: case INTUOS5L: case INTUOSPS: case INTUOSPM: case INTUOSPL: wacom->led.select[0] = 0; wacom->led.select[1] = 0; wacom->led.llv = 32; wacom->led.hlv = 0; wacom->led.img_lum = 0; error = sysfs_create_group(&wacom->hdev->dev.kobj, &intuos5_led_attr_group); break; default: return 0; } if (error) { hid_err(wacom->hdev, "cannot create sysfs group err: %d\n", error); return error; } wacom_led_control(wacom); wacom->led_initialized = true; return 0; }

Contributors

PersonTokensPropCommitsCommitProp
ping chengping cheng10433.44%327.27%
eduard hasenleithnereduard hasenleithner9731.19%19.09%
jason gereckejason gerecke9630.87%436.36%
benjamin tissoiresbenjamin tissoires144.50%327.27%
Total311100.00%11100.00%


static void wacom_destroy_leds(struct wacom *wacom) { if (!wacom->led_initialized) return; if (!(wacom->wacom_wac.features.device_type & WACOM_DEVICETYPE_PAD)) return; wacom->led_initialized = false; switch (wacom->wacom_wac.features.type) { case INTUOS4S: case INTUOS4: case INTUOS4WL: case INTUOS4L: sysfs_remove_group(&wacom->hdev->dev.kobj, &intuos4_led_attr_group); break; case WACOM_24HD: case WACOM_21UX2: sysfs_remove_group(&wacom->hdev->dev.kobj, &cintiq_led_attr_group); break; case INTUOS5S: case INTUOS5: case INTUOS5L: case INTUOSPS: case INTUOSPM: case INTUOSPL: sysfs_remove_group(&wacom->hdev->dev.kobj, &intuos5_led_attr_group); break; } }

Contributors

PersonTokensPropCommitsCommitProp
jason gereckejason gerecke4633.58%440.00%
eduard hasenleithnereduard hasenleithner3727.01%110.00%
ping chengping cheng3424.82%220.00%
benjamin tissoiresbenjamin tissoires2014.60%330.00%
Total137100.00%10100.00%

static enum power_supply_property wacom_battery_props[] = { POWER_SUPPLY_PROP_PRESENT, POWER_SUPPLY_PROP_STATUS, POWER_SUPPLY_PROP_SCOPE, POWER_SUPPLY_PROP_CAPACITY }; static enum power_supply_property wacom_ac_props[] = { POWER_SUPPLY_PROP_PRESENT, POWER_SUPPLY_PROP_ONLINE, POWER_SUPPLY_PROP_SCOPE, };
static int wacom_battery_get_property(struct power_supply *psy, enum power_supply_property psp, union power_supply_propval *val) { struct wacom *wacom = power_supply_get_drvdata(psy); int ret = 0; switch (psp) { case POWER_SUPPLY_PROP_PRESENT: val->intval = wacom->wacom_wac.bat_connected; break; case POWER_SUPPLY_PROP_SCOPE: val->intval = POWER_SUPPLY_SCOPE_DEVICE; break; case POWER_SUPPLY_PROP_CAPACITY: val->intval = wacom->wacom_wac.battery_capacity; break; case POWER_SUPPLY_PROP_STATUS: if (wacom->wacom_wac.bat_charging) val->intval = POWER_SUPPLY_STATUS_CHARGING; else if (wacom->wacom_wac.battery_capacity == 100 && wacom->wacom_wac.ps_connected) val->intval = POWER_SUPPLY_STATUS_FULL; else if (wacom->wacom_wac.ps_connected) val->intval = POWER_SUPPLY_STATUS_NOT_CHARGING; else val->intval = POWER_SUPPLY_STATUS_DISCHARGING; break; default: ret = -EINVAL; break; } return ret; }

Contributors

PersonTokensPropCommitsCommitProp
chris bagwellchris bagwell6542.76%116.67%
benjamin tissoiresbenjamin tissoires4730.92%116.67%
jason gereckejason gerecke2919.08%233.33%
bastien nocerabastien nocera106.58%116.67%
krzysztof kozlowskikrzysztof kozlowski10.66%116.67%
Total152100.00%6100.00%


static int wacom_ac_get_property(struct power_supply *psy, enum power_supply_property psp, union power_supply_propval *val) { struct wacom *wacom = power_supply_get_drvdata(psy); int ret = 0; switch (psp) { case POWER_SUPPLY_PROP_PRESENT: /* fall through */ case POWER_SUPPLY_PROP_ONLINE: val->intval = wacom->wacom_wac.ps_connected; break; case POWER_SUPPLY_PROP_SCOPE: val->intval = POWER_SUPPLY_SCOPE_DEVICE; break; default: ret = -EINVAL; break; } return ret; }

Contributors

PersonTokensPropCommitsCommitProp
benjamin tissoiresbenjamin tissoires6784.81%133.33%
chris bagwellchris bagwell1113.92%133.33%
krzysztof kozlowskikrzysztof kozlowski11.27%133.33%
Total79100.00%3100.00%


static int wacom_initialize_battery(struct wacom *wacom) { static atomic_t battery_no = ATOMIC_INIT(0); struct power_supply_config psy_cfg = { .drv_data = wacom, }; unsigned long n; if (wacom->wacom_wac.features.quirks & WACOM_QUIRK_BATTERY) { struct power_supply_desc *bat_desc = &wacom->battery_desc; struct power_supply_desc *ac_desc = &wacom->ac_desc; 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(wacom->wacom_wac.bat_name, "wacom_battery_%ld", n); bat_desc->name = wacom->wacom_wac.bat_name; bat_desc->type = POWER_SUPPLY_TYPE_BATTERY; bat_desc->use_for_apm = 0; ac_desc->properties = wacom_ac_props; ac_desc->num_properties = ARRAY_SIZE(wacom_ac_props); ac_desc->get_property = wacom_ac_get_property; sprintf(wacom->wacom_wac.ac_name, "wacom_ac_%ld", n); ac_desc->name = wacom->wacom_wac.ac_name; ac_desc->type = POWER_SUPPLY_TYPE_MAINS; ac_desc->use_for_apm = 0; wacom->battery = power_supply_register(&wacom->hdev->dev, &wacom->battery_desc, &psy_cfg); if (IS_ERR(wacom->battery)) return PTR_ERR(wacom->battery); power_supply_powers(wacom->battery, &wacom->hdev->dev); wacom->ac = power_supply_register(&wacom->hdev->dev, &wacom->ac_desc, &psy_cfg); if (IS_ERR(wacom->ac)) { power_supply_unregister(wacom->battery); return PTR_ERR(wacom->ac); } power_supply_powers(wacom->ac, &wacom->hdev->dev); } return 0; }

Contributors

PersonTokensPropCommitsCommitProp
benjamin tissoiresbenjamin tissoires15249.19%450.00%
krzysztof kozlowskikrzysztof kozlowski8025.89%225.00%
chris bagwellchris bagwell7724.92%225.00%
Total309100.00%8100.00%


static void wacom_destroy_battery(struct wacom *wacom) { if (wacom->battery) { power_supply_unregister(wacom->battery); wacom->battery = NULL; power_supply_unregister(wacom->ac); wacom->ac = NULL; } }

Contributors

PersonTokensPropCommitsCommitProp
chris bagwellchris bagwell3271.11%266.67%
benjamin tissoiresbenjamin tissoires1328.89%133.33%
Total45100.00%3100.00%


static ssize_t wacom_show_speed(struct device *dev, struct device_attribute *attr, char *buf) { struct hid_device *hdev = to_hid_device(dev); struct wacom *wacom = hid_get_drvdata(hdev); return snprintf(buf, PAGE_SIZE, "%i\n", wacom->wacom_wac.bt_high_speed); }

Contributors

PersonTokensPropCommitsCommitProp
benjamin tissoiresbenjamin tissoires5598.21%150.00%
geliang tanggeliang tang11.79%150.00%
Total56100.00%2100.00%


static ssize_t wacom_store_speed(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct hid_device *hdev = to_hid_device(dev); 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; }

Contributors

PersonTokensPropCommitsCommitProp
benjamin tissoiresbenjamin tissoires9398.94%150.00%
geliang tanggeliang tang11.06%150.00%
Total94100.00%2100.00%

static DEVICE_ATTR(speed, DEV_ATTR_RW_PERM, wacom_show_speed, wacom_store_speed);
static ssize_t wacom_show_remote_mode(struct kobject *kobj, struct kobj_attribute *kattr, char *buf, int index) { struct device *dev = kobj_to_dev(kobj->parent); struct hid_device *hdev = to_hid_device(dev); struct wacom *wacom = hid_get_drvdata(hdev); u8 mode; mode = wacom->led.select[index]; if (mode >= 0 && mode < 3) return snprintf(buf, PAGE_SIZE, "%d\n", mode); else return snprintf(buf, PAGE_SIZE, "%d\n", -1); }

Contributors

PersonTokensPropCommitsCommitProp
aaron skomraaaron skomra8681.90%116.67%
chris bagwellchris bagwell1211.43%116.67%
benjamin tissoiresbenjamin tissoires54.76%233.33%
geliang tanggeliang tang21.90%233.33%
Total105100.00%6100.00%

#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);
int wacom_remote_create_attr_group(struct wacom *wacom, __u32 serial, int index) { int error = 0; char *buf; struct wacom_wac *wacom_wac = &wacom->wacom_wac; wacom_wac->serial[index] = serial; buf = kzalloc(WAC_REMOTE_SERIAL_MAX_STRLEN, GFP_KERNEL); if (!buf) return -ENOMEM; snprintf(buf, WAC_REMOTE_SERIAL_MAX_STRLEN, "%d", serial); wacom->remote_group[index].name = buf; error = sysfs_create_group(wacom->remote_dir, &wacom->remote_group[index]); if (error) { hid_err(wacom->hdev, "cannot create sysfs group err: %d\n", error); kobject_put(wacom->remote_dir); return error; } return 0; }

Contributors

PersonTokensPropCommitsCommitProp
aaron skomraaaron skomra9975.57%116.67%
chris bagwellchris bagwell2418.32%116.67%
benjamin tissoiresbenjamin tissoires75.34%350.00%
jason gereckejason gerecke10.76%116.67%
Total131100.00%6100.00%


void wacom_remote_destroy_attr_group(struct wacom *wacom, __u32 serial) { struct wacom_wac *wacom_wac = &wacom->wacom_wac; int i; if (!serial) return; for (i = 0; i < WACOM_MAX_REMOTES; i++) { if (wacom_wac->serial[i] == serial) { wacom_wac->serial[i] = 0; wacom->led.select[i] = WACOM_STATUS_UNKNOWN; if (wacom->remote_group[i].name) { sysfs_remove_group(wacom->remote_dir, &wacom->remote_group[i]); kfree(wacom->remote_group[i].name); wacom->remote_group[i].name = NULL; } } } }

Contributors

PersonTokensPropCommitsCommitProp
aaron skomraaaron skomra11386.26%133.33%
benjamin tissoiresbenjamin tissoires129.16%133.33%
chris bagwellchris bagwell64.58%133.33%
Total131100.00%3100.00%


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; }

Contributors

PersonTokensPropCommitsCommitProp
aaron skomraaaron skomra8598.84%150.00%
benjamin tissoiresbenjamin tissoires11.16%150.00%
Total86100.00%2100.00%


static ssize_t wacom_store_unpair_remote(struct kobject *kobj, struct kobj_attribute *attr, const char *buf, size_t count) { unsigned char selector = 0; struct device *dev = kobj_to_dev(kobj->parent); struct hid_device *hdev = to_hid_device(dev); struct wacom *wacom = hid_get_drvdata(hdev); int err; if (!strncmp(buf, "*\n", 2)) { selector = WAC_CMD_UNPAIR_ALL; } else { hid_info(wacom->hdev, "remote: unrecognized unpair code: %s\n", buf); return -1; } mutex_lock(&wacom->lock); err = wacom_cmd_unpair_remote(wacom, selector); mutex_unlock(&wacom->lock); return err < 0 ? err : count; }

Contributors

PersonTokensPropCommitsCommitProp
aaron skomraaaron skomra11887.41%114.29%
benjamin tissoiresbenjamin tissoires107.41%342.86%
chris bagwellchris bagwell53.70%114.29%
geliang tanggeliang tang21.48%228.57%
Total135100.00%7100.00%

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 };
static int wacom_initialize_remote(struct wacom *wacom) { int error = 0; struct wacom_wac *wacom_wac = &(wacom->wacom_wac); int i; if (wacom->wacom_wac.features.type != REMOTE) return 0; wacom->remote_group[0] = remote0_serial_group; wacom->remote_group[1] = remote1_serial_group; wacom->remote_group[2] = remote2_serial_group; wacom->remote_group[3] = remote3_serial_group; wacom->remote_group[4] = remote4_serial_group; wacom->remote_dir = kobject_create_and_add("wacom_remote", &wacom->hdev->dev.kobj); if (!wacom->remote_dir) return -ENOMEM; error = sysfs_create_files(wacom->remote_dir, remote_unpair_attrs); if (error) { hid_err(wacom->hdev, "cannot create sysfs group err: %d\n", error); return error; } for (i = 0; i < WACOM_MAX_REMOTES; i++) { wacom->led.select[i] = WACOM_STATUS_UNKNOWN; wacom_wac->serial[i] = 0; } return 0; }

Contributors

PersonTokensPropCommitsCommitProp
aaron skomraaaron skomra13470.90%125.00%
benjamin tissoiresbenjamin tissoires4523.81%250.00%
jason gereckejason gerecke105.29%125.00%
Total189100.00%4100.00%


static struct input_dev *wacom_allocate_input(struct wacom *wacom) { struct input_dev *input_dev; struct hid_device *hdev = wacom->hdev; struct wacom_wac *wacom_wac = &(wacom->wacom_wac); input_dev = input_allocate_device(); if (!input_dev) return NULL; input_dev->name = wacom_wac->features.name; input_dev->phys = hdev->phys; input_dev->dev.parent = &hdev->dev; input_dev->open = wacom_open; input_dev->close = wacom_close; input_dev->uniq = hdev->uniq; input_dev->id.bustype = hdev->bus; input_dev->id.vendor = hdev->vendor; input_dev->id.product = wacom_wac->pid ? wacom_wac->pid : hdev->product; input_dev->id.version = hdev->version; input_set_drvdata(input_dev, wacom); return input_dev; }

Contributors

PersonTokensPropCommitsCommitProp
benjamin tissoiresbenjamin tissoires8654.09%457.14%
aaron skomraaaron skomra4125.79%114.29%
chris bagwellchris bagwell2113.21%114.29%
jason gereckejason gerecke116.92%114.29%
Total159100.00%7100.00%


static void wacom_clean_inputs(struct wacom *wacom) { if (wacom->wacom_wac.pen_input) { if (wacom->wacom_wac.pen_registered) input_unregister_device(wacom->wacom_wac.pen_input); else input_free_device(wacom->wacom_wac.pen_input); } if (wacom->wacom_wac.touch_input) { if (wacom->wacom_wac.touch_registered) input_unregister_device(wacom->wacom_wac.touch_input); else input_free_device(wacom->wacom_wac.touch_input); } if (wacom->wacom_wac.pad_input) { if (wacom->wacom_wac.pad_registered) input_unregister_device(wacom->wacom_wac.pad_input); else input_free_device(wacom->wacom_wac.pad_input); } kobject_put(wacom->remote_dir); wacom->wacom_wac.pen_input = NULL; wacom->wacom_wac.touch_input = NULL; wacom->wacom_wac.pad_input = NULL; wacom->wacom_wac.pen_registered = false; wacom->wacom_wac.touch_registered = false; wacom->wacom_wac.pad_registered = false; wacom_destroy_leds(wacom); }

Contributors

PersonTokensPropCommitsCommitProp
benjamin tissoiresbenjamin tissoires12468.13%240.00%
jason gereckejason gerecke5027.47%120.00%
aaron skomraaaron skomra73.85%120.00%
ping chengping cheng10.55%120.00%
Total182100.00%5100.00%


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); if (!wacom_wac->pen_input || !wacom_wac->touch_input || !wacom_wac->pad_input) { wacom_clean_inputs(wacom); return -ENOMEM; } wacom_wac->pen_input->name = wacom_wac->pen_name; wacom_wac->touch_input->name = wacom_wac->touch_name; wacom_wac->pad_input->name = wacom_wac->pad_name; return 0; }

Contributors

PersonTokensPropCommitsCommitProp
jason gereckejason gerecke8677.48%375.00%
benjamin tissoiresbenjamin tissoires2522.52%125.00%
Total111100.00%4100.00%


static int wacom_register_inputs(struct wacom *wacom) { struct input_dev *pen_input_dev, *touch_input_dev, *pad_input_dev; struct wacom_wac *wacom_wac = &(wacom->wacom_wac); int error = 0; pen_input_dev = wacom_wac->pen_input; touch_input_dev = wacom_wac->touch_input; pad_input_dev = wacom_wac->pad_input; if (!pen_input_dev || !touch_input_dev || !pad_input_dev) return -EINVAL; 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) goto fail_register_pen_input; wacom_wac->pen_registered = true; } 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); if (error) goto fail_register_touch_input; wacom_wac->touch_registered = true; } 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) goto fail_register_pad_input; wacom_wac->pad_registered = true; error = wacom_initialize_leds(wacom); if (error) goto fail_leds; error = wacom_initialize_remote(wacom); if (error) goto fail_remote; } return 0; fail_remote: wacom_destroy_leds(wacom); fail_leds: input_unregister_device(pad_input_dev); pad_input_dev = NULL; wacom_wac->pad_registered = false; fail_register_pad_input: if (touch_input_dev) input_unregister_device(touch_input_dev); wacom_wac->touch_input = NULL; wacom_wac->touch_registered = false; fail_register_touch_input: if (pen_input_dev) input_unregister_device(pen_input_dev); wacom_wac->pen_input = NULL; wacom_wac->pen_registered = false; fail_register_pen_input: return error; }

Contributors

PersonTokensPropCommitsCommitProp
jason gereckejason gerecke12235.88%216.67%
benjamin tissoiresbenjamin tissoires10530.88%325.00%
ping chengping cheng5716.76%433.33%
chris bagwellchris bagwell277.94%18.33%
aaron skomraaaron skomra216.18%18.33%
dan carpenterdan carpenter82.35%18.33%
Total340100.00%12100.00%

/* * 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; } }

Contributors

PersonTokensPropCommitsCommitProp
jason gereckejason gerecke51100.00%1100.00%
Total51100.00%1100.00%


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); }

Contributors

PersonTokensPropCommitsCommitProp
jason gereckejason gerecke80100.00%1100.00%
Total80100.00%1100.00%


void wacom_battery_work(struct work_struct *work) { struct wacom *wacom = container_of(work, struct wacom, work); if ((wacom->wacom_wac.features.quirks & WACOM_QUIRK_BATTERY) && !wacom->battery) { wacom_initialize_battery(wacom); } else if (!(wacom->wacom_wac.features.quirks & WACOM_QUIRK_BATTERY) && wacom->battery) { wacom_destroy_battery(wacom); } }

Contributors

PersonTokensPropCommitsCommitProp
benjamin tissoiresbenjamin tissoires4861.54%150.00%
chris bagwellchris bagwell3038.46%150.00%
Total78100.00%2100.00%


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) { size_t report_size = hid_report_len(report); if (report_size > size) size = report_size; } return size; }

Contributors

PersonTokensPropCommitsCommitProp
benjamin tissoiresbenjamin tissoires5280.00%250.00%
chris bagwellchris bagwell1320.00%250.00%
Total65100.00%4100.00%


static void wacom_update_name(struct wacom *wacom, const char *suffix) { struct wacom_wac *wacom_wac = &wacom->wacom_wac; struct wacom_features *features = &wacom_wac->features; char name[WACOM_NAME_MAX]; /* Generic devices name unspecified */ if ((features->type == HID_GENERIC) && !strcmp("Wacom HID", features->name)) { if (strstr(wacom->hdev->name, "Wacom") || strstr(wacom->hdev->name, "wacom") || strstr(wacom->hdev->name, "WACOM")) { /* name is in HID descriptor, use it */ strlcpy(name, wacom->hdev->name, sizeof(name)); /* 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'; } else { /* no meaningful name retrieved. use product ID */ snprintf(name, sizeof(name), "%s %X", features->name, wacom->hdev->product); } } else { strlcpy(name, features->name, sizeof(name)); } /* Append the device type to the name */ snprintf(wacom_wac->pen_name, sizeof(wacom_wac->pen_name), "%s%s Pen", name, suffix); snprintf(wacom_wac->touch_name, sizeof(wacom_wac->touch_name), "%s%s Finger", name, suffix); snprintf(wacom_wac->pad_name, sizeof(wacom_wac->pad_name), "%s%s Pad", name, suffix); }

Contributors

PersonTokensPropCommitsCommitProp
benjamin tissoiresbenjamin tissoires22577.59%538.46%
chris bagwellchris bagwell3913.45%215.38%
ping chengping cheng124.14%323.08%
jason gereckejason gerecke82.76%215.38%
dmitry torokhovdmitry torokhov62.07%17.69%
Total290100.00%13100.00%


static int wacom_parse_and_register(struct wacom *wacom, bool wireless) { struct wacom_wac *wacom_wac = &wacom->wacom_wac; struct wacom_features *features = &wacom_wac->features; struct hid_device *hdev = wacom->hdev; int error; unsigned int connect_mask = HID_CONNECT_HIDRAW; features->pktlen = wacom_compute_pktlen(hdev); if (features->pktlen > WACOM_PKGLEN_MAX) return -EINVAL; error = wacom_allocate_inputs(wacom); if (error) return error; /* * 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; goto fail_allocate_inputs; } } /* set the default size in case we do not get them from hid */ wacom_set_default_phy(features); /* Retrieve the physical and logical size for touch devices */ wacom_retrieve_hid_descriptor(hdev, features); wacom_setup_device_quirks(wacom); if (features->device_type == WACOM_DEVICETYPE_NONE && features->type != WIRELESS) { error = features->type == HID_GENERIC ? -ENODEV : 0; dev_warn(&hdev->dev, "Unknown device_type for '%s'. %s.", hdev->name, error ? "Ignoring" : "Assuming pen"); if (error) goto fail_parsed; features->device_type |= WACOM_DEVICETYPE_PEN; } wacom_calculate_res(features); wacom_update_name(wacom, wireless ? " (WL)" : ""); error = wacom_add_shared_data(hdev); if (error) goto fail_shared_data; if (!(features->device_type & WACOM_DEVICETYPE_WL_MONITOR) && (features->quirks & WACOM_QUIRK_BATTERY)) { error = wacom_initialize_battery(wacom); if (error) goto fail_battery; } error = wacom_register_inputs(wacom); if (error) goto fail_register_inputs; if (features->type == HID_GENERIC) connect_mask |= HID_CONNECT_DRIVER; /* Regular HID work starts now */ error = hid_hw_start(hdev, connect_mask); if (error) { hid_err(hdev, "hw start failed\n"); goto fail_hw_start; } if (!wireless) { /* Note that if query fails it is not a hard failure */ wacom_query_tablet_data(hdev, features); } /* touch only Bamboo doesn't support pen */ if ((features->type == BAMBOO_TOUCH) && (features->device_type & WACOM_DEVICETYPE_PEN)) { error = -ENODEV; goto fail_hw_start; } /* 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_hw_start; } if (features->device_type & WACOM_DEVICETYPE_WL_MONITOR) error = hid_hw_open(hdev); if ((wacom_wac->features.type == INTUOSHT || wacom_wac->features.type == INTUOSHT2) && (wacom_wac->features.device_type & WACOM_DEVICETYPE_TOUCH)) { wacom_wac->shared->touch_input = wacom_wac->touch_input; } return 0; fail_hw_start: hid_hw_stop(hdev); fail_register_inputs: wacom_clean_inputs(wacom); wacom_destroy_battery(wacom); fail_battery: wacom_remove_shared_data(wacom); fail_shared_data: fail_parsed: fail_allocate_inputs: wacom_clean_inputs(wacom); return error; }

Contributors

PersonTokensPropCommitsCommitProp
benjamin tissoiresbenjamin tissoires36369.27%529.41%
ping chengping cheng7213.74%635.29%
chris bagwellchris bagwell478.97%211.76%
jason gereckejason gerecke428.02%423.53%
Total524100.00%17100.00%


static void wacom_wireless_work(struct work_struct *work) { struct wacom *wacom = container_of(work, struct wacom, work); 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); wacom_clean_inputs(wacom1); /* Touch interface */ hdev2 = usb_get_intfdata(usbdev->config->interface[2]); wacom2 = hid_get_drvdata(hdev2); wacom_wac2 = &(wacom2->wacom_wac); wacom_clean_inputs(wacom2); if (wacom_wac->pid == 0) { hid_info(wacom->hdev, "wireless tablet disconnected\n"); wacom_wac1->shared->type = 0; } else { const struct hid_device_id *id = wacom_ids; hid_info(wacom->hdev, "wireless tablet connected with PID %x\n", 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.\n"); return; } /* Stylus interface */ wacom_wac1->features = *((struct wacom_features *)id->driver_data); wacom_wac1->pid = wacom_wac->pid; hid_hw_stop(hdev1); error = wacom_parse_and_register(wacom1, true); 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); wacom_wac2->pid = wacom_wac->pid; hid_hw_stop(hdev2); error = wacom_parse_and_register(wacom2, true); if (error) goto fail; } error = wacom_initialize_battery(wacom); if (error) goto fail; } return; fail: wacom_clean_inputs(wacom1); wacom_clean_inputs(wacom2); return; }

Contributors

PersonTokensPropCommitsCommitProp
benjamin tissoiresbenjamin tissoires35489.39%952.94%
ping chengping cheng174.29%423.53%
eduard hasenleithnereduard hasenleithner143.54%15.88%
jason childsjason childs41.01%15.88%
dmitry torokhovdmitry torokhov41.01%15.88%
chris bagwellchris bagwell30.76%15.88%
Total396100.00%17100.00%


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; wacom = kzalloc(sizeof(struct wacom), GFP_KERNEL); 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; if (features->check_for_hid_type && features->hid_type != hdev->type) { error = -ENODEV; goto fail_type; } wacom_wac->hid_data.inputmode = -1; wacom_wac->mode_report = -1; wacom->usbdev = dev; wacom->intf = intf; mutex_init(&wacom->lock); INIT_WORK(&wacom->work, wacom_wireless_work); /* ask for the report descriptor to be loaded by HID */ error = hid_parse(hdev); if (error) { hid_err(hdev, "parse failed\n"); goto fail_parse; } error = wacom_parse_and_register(wacom, false); if (error) goto fail_parse; 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\n", error); } return 0; fail_type: fail_parse: kfree(wacom); hid_set_drvdata(hdev, NULL); return error; }

Contributors

PersonTokensPropCommitsCommitProp
benjamin tissoiresbenjamin tissoires29191.80%450.00%
jason gereckejason gerecke165.05%225.00%
ping chengping cheng92.84%112.50%
dmitry torokhovdmitry torokhov10.32%112.50%
Total317100.00%8100.00%


static void wacom_remove(struct hid_device *hdev) { struct wacom *wacom = hid_get_drvdata(hdev); 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); hid_hw_stop(hdev); cancel_work_sync(&wacom->work); wacom_clean_inputs(wacom); if (hdev->bus == BUS_BLUETOOTH) device_remove_file(&hdev->dev, &dev_attr_speed); wacom_destroy_battery(wacom); wacom_remove_shared_data(wacom); hid_set_drvdata(hdev, NULL); kfree(wacom); }

Contributors

PersonTokensPropCommitsCommitProp
benjamin tissoiresbenjamin tissoires6961.06%550.00%
ping chengping cheng2421.24%220.00%
chris bagwellchris bagwell1311.50%220.00%
oliver neukumoliver neukum76.19%110.00%
Total113100.00%10100.00%

#ifdef CONFIG_PM
static int wacom_resume(struct hid_device *hdev) { struct wacom *wacom = hid_get_drvdata(hdev); struct wacom_features *features = &wacom->wacom_wac.features; mutex_lock(&wacom->lock); /* switch to wacom mode first */ wacom_query_tablet_data(hdev, features); wacom_led_control(wacom); mutex_unlock(&wacom->lock); return 0; }

Contributors

PersonTokensPropCommitsCommitProp
oliver neukumoliver neukum3553.85%112.50%
ping chengping cheng1726.15%225.00%
benjamin tissoiresbenjamin tissoires69.23%225.00%
eduard hasenleithnereduard hasenleithner57.69%112.50%
jason childsjason childs11.54%112.50%
dmitry torokhovdmitry torokhov11.54%112.50%
Total65100.00%8100.00%


static int wacom_reset_resume(struct hid_device *hdev) { return wacom_resume(hdev); }

Contributors

PersonTokensPropCommitsCommitProp
oliver neukumoliver neukum1376.47%133.33%
benjamin tissoiresbenjamin tissoires317.65%133.33%
ping chengping cheng15.88%133.33%
Total17100.00%3100.00%

#endif /* CONFIG_PM */ static struct hid_driver wacom_driver = { .name = "wacom", .id_table = wacom_ids, .probe = wacom_probe, .remove = wacom_remove, .report = wacom_wac_report, #ifdef CONFIG_PM .resume = wacom_resume, .reset_resume = wacom_reset_resume, #endif .raw_event = wacom_raw_event, }; module_hid_driver(wacom_driver); MODULE_VERSION(DRIVER_VERSION); MODULE_AUTHOR(DRIVER_AUTHOR); MODULE_DESCRIPTION(DRIVER_DESC); MODULE_LICENSE(DRIVER_LICENSE);

Overall Contributors

PersonTokensPropCommitsCommitProp
benjamin tissoiresbenjamin tissoires371141.83%3930.47%
jason gereckejason gerecke142116.02%3124.22%
ping chengping cheng120213.55%2821.88%
eduard hasenleithnereduard hasenleithner93610.55%10.78%
aaron skomraaaron skomra7958.96%10.78%
chris bagwellchris bagwell5075.72%86.25%
krzysztof kozlowskikrzysztof kozlowski820.92%21.56%
dmitry torokhovdmitry torokhov710.80%64.69%
oliver neukumoliver neukum680.77%10.78%
henrik rydberghenrik rydberg220.25%10.78%
bastien nocerabastien nocera120.14%10.78%
geliang tanggeliang tang100.11%21.56%
jason childsjason childs90.10%10.78%
dan carpenterdan carpenter80.09%10.78%
geert uytterhoevengeert uytterhoeven60.07%10.78%
bastian blankbastian blank50.06%10.78%
przemo firsztprzemo firszt40.05%10.78%
adrian bunkadrian bunk10.01%10.78%
greg kroah-hartmangreg kroah-hartman10.01%10.78%
Total8871100.00%128100.00%
Directory: drivers/hid
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