diff options
Diffstat (limited to 'drivers/hid')
37 files changed, 3113 insertions, 823 deletions
diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig index 41e9935fc584..6ca8d322b487 100644 --- a/drivers/hid/Kconfig +++ b/drivers/hid/Kconfig @@ -412,6 +412,12 @@ config HID_WALTOP ---help--- Support for Waltop tablets. +config HID_VIEWSONIC + tristate "ViewSonic/Signotec" + depends on HID + help + Support for ViewSonic/Signotec PD1011 signature pad. + config HID_GYRATION tristate "Gyration remote control" depends on HID @@ -590,6 +596,13 @@ config HID_MAGICMOUSE Say Y here if you want support for the multi-touch features of the Apple Wireless "Magic" Mouse and the Apple Wireless "Magic" Trackpad. +config HID_MALTRON + tristate "Maltron L90 keyboard" + depends on HID + ---help--- + Adds support for the volume up, volume down, mute, and play/pause buttons + of the Maltron L90 keyboard. + config HID_MAYFLASH tristate "Mayflash game controller adapter force feedback" depends on HID diff --git a/drivers/hid/Makefile b/drivers/hid/Makefile index 896a51ce7ce0..170163b41303 100644 --- a/drivers/hid/Makefile +++ b/drivers/hid/Makefile @@ -66,6 +66,7 @@ obj-$(CONFIG_HID_LOGITECH) += hid-logitech.o obj-$(CONFIG_HID_LOGITECH_DJ) += hid-logitech-dj.o obj-$(CONFIG_HID_LOGITECH_HIDPP) += hid-logitech-hidpp.o obj-$(CONFIG_HID_MAGICMOUSE) += hid-magicmouse.o +obj-$(CONFIG_HID_MALTRON) += hid-maltron.o obj-$(CONFIG_HID_MAYFLASH) += hid-mf.o obj-$(CONFIG_HID_MICROSOFT) += hid-microsoft.o obj-$(CONFIG_HID_MONTEREY) += hid-monterey.o @@ -108,12 +109,16 @@ obj-$(CONFIG_HID_THRUSTMASTER) += hid-tmff.o obj-$(CONFIG_HID_TIVO) += hid-tivo.o obj-$(CONFIG_HID_TOPSEED) += hid-topseed.o obj-$(CONFIG_HID_TWINHAN) += hid-twinhan.o +hid-uclogic-objs := hid-uclogic-core.o \ + hid-uclogic-rdesc.o \ + hid-uclogic-params.o obj-$(CONFIG_HID_UCLOGIC) += hid-uclogic.o obj-$(CONFIG_HID_UDRAW_PS3) += hid-udraw-ps3.o obj-$(CONFIG_HID_LED) += hid-led.o obj-$(CONFIG_HID_XINMO) += hid-xinmo.o obj-$(CONFIG_HID_ZEROPLUS) += hid-zpff.o obj-$(CONFIG_HID_ZYDACRON) += hid-zydacron.o +obj-$(CONFIG_HID_VIEWSONIC) += hid-viewsonic.o wacom-objs := wacom_wac.o wacom_sys.o obj-$(CONFIG_HID_WACOM) += wacom.o diff --git a/drivers/hid/hid-asus.c b/drivers/hid/hid-asus.c index 951bb17ae8b2..336aeaed1159 100644 --- a/drivers/hid/hid-asus.c +++ b/drivers/hid/hid-asus.c @@ -32,6 +32,7 @@ #include <linux/platform_data/x86/asus-wmi.h> #include <linux/input/mt.h> #include <linux/usb.h> /* For to_usb_interface for T100 touchpad intf check */ +#include <linux/power_supply.h> #include "hid-ids.h" @@ -61,6 +62,13 @@ MODULE_DESCRIPTION("Asus HID Keyboard and TouchPad"); #define CONTACT_TOUCH_MAJOR_MASK 0x07 #define CONTACT_PRESSURE_MASK 0x7f +#define BATTERY_REPORT_ID (0x03) +#define BATTERY_REPORT_SIZE (1 + 8) +#define BATTERY_LEVEL_MAX ((u8)255) +#define BATTERY_STAT_DISCONNECT (0) +#define BATTERY_STAT_CHARGING (1) +#define BATTERY_STAT_FULL (2) + #define QUIRK_FIX_NOTEBOOK_REPORT BIT(0) #define QUIRK_NO_INIT_REPORTS BIT(1) #define QUIRK_SKIP_INPUT_MAPPING BIT(2) @@ -71,6 +79,7 @@ MODULE_DESCRIPTION("Asus HID Keyboard and TouchPad"); #define QUIRK_T100CHI BIT(7) #define QUIRK_G752_KEYBOARD BIT(8) #define QUIRK_T101HA_DOCK BIT(9) +#define QUIRK_T90CHI BIT(10) #define I2C_KEYBOARD_QUIRKS (QUIRK_FIX_NOTEBOOK_REPORT | \ QUIRK_NO_INIT_REPORTS | \ @@ -100,12 +109,21 @@ struct asus_touchpad_info { struct asus_drvdata { unsigned long quirks; + struct hid_device *hdev; struct input_dev *input; struct asus_kbd_leds *kbd_backlight; const struct asus_touchpad_info *tp; bool enable_backlight; + struct power_supply *battery; + struct power_supply_desc battery_desc; + int battery_capacity; + int battery_stat; + bool battery_in_query; + unsigned long battery_next_query; }; +static int asus_report_battery(struct asus_drvdata *, u8 *, int); + static const struct asus_touchpad_info asus_i2c_tp = { .max_x = 2794, .max_y = 1758, @@ -259,6 +277,9 @@ static int asus_raw_event(struct hid_device *hdev, { struct asus_drvdata *drvdata = hid_get_drvdata(hdev); + if (drvdata->battery && data[0] == BATTERY_REPORT_ID) + return asus_report_battery(drvdata, data, size); + if (drvdata->tp && data[0] == INPUT_REPORT_ID) return asus_report_input(drvdata, data, size); @@ -428,6 +449,164 @@ static int asus_kbd_register_leds(struct hid_device *hdev) return ret; } +/* + * [0] REPORT_ID (same value defined in report descriptor) + * [1] rest battery level. range [0..255] + * [2]..[7] Bluetooth hardware address (MAC address) + * [8] charging status + * = 0 : AC offline / discharging + * = 1 : AC online / charging + * = 2 : AC online / fully charged + */ +static int asus_parse_battery(struct asus_drvdata *drvdata, u8 *data, int size) +{ + u8 sts; + u8 lvl; + int val; + + lvl = data[1]; + sts = data[8]; + + drvdata->battery_capacity = ((int)lvl * 100) / (int)BATTERY_LEVEL_MAX; + + switch (sts) { + case BATTERY_STAT_CHARGING: + val = POWER_SUPPLY_STATUS_CHARGING; + break; + case BATTERY_STAT_FULL: + val = POWER_SUPPLY_STATUS_FULL; + break; + case BATTERY_STAT_DISCONNECT: + default: + val = POWER_SUPPLY_STATUS_DISCHARGING; + break; + } + drvdata->battery_stat = val; + + return 0; +} + +static int asus_report_battery(struct asus_drvdata *drvdata, u8 *data, int size) +{ + /* notify only the autonomous event by device */ + if ((drvdata->battery_in_query == false) && + (size == BATTERY_REPORT_SIZE)) + power_supply_changed(drvdata->battery); + + return 0; +} + +static int asus_battery_query(struct asus_drvdata *drvdata) +{ + u8 *buf; + int ret = 0; + + buf = kmalloc(BATTERY_REPORT_SIZE, GFP_KERNEL); + if (!buf) + return -ENOMEM; + + drvdata->battery_in_query = true; + ret = hid_hw_raw_request(drvdata->hdev, BATTERY_REPORT_ID, + buf, BATTERY_REPORT_SIZE, + HID_INPUT_REPORT, HID_REQ_GET_REPORT); + drvdata->battery_in_query = false; + if (ret == BATTERY_REPORT_SIZE) + ret = asus_parse_battery(drvdata, buf, BATTERY_REPORT_SIZE); + else + ret = -ENODATA; + + kfree(buf); + + return ret; +} + +static enum power_supply_property asus_battery_props[] = { + POWER_SUPPLY_PROP_STATUS, + POWER_SUPPLY_PROP_PRESENT, + POWER_SUPPLY_PROP_CAPACITY, + POWER_SUPPLY_PROP_SCOPE, + POWER_SUPPLY_PROP_MODEL_NAME, +}; + +#define QUERY_MIN_INTERVAL (60 * HZ) /* 60[sec] */ + +static int asus_battery_get_property(struct power_supply *psy, + enum power_supply_property psp, + union power_supply_propval *val) +{ + struct asus_drvdata *drvdata = power_supply_get_drvdata(psy); + int ret = 0; + + switch (psp) { + case POWER_SUPPLY_PROP_STATUS: + case POWER_SUPPLY_PROP_CAPACITY: + if (time_before(drvdata->battery_next_query, jiffies)) { + drvdata->battery_next_query = + jiffies + QUERY_MIN_INTERVAL; + ret = asus_battery_query(drvdata); + if (ret) + return ret; + } + if (psp == POWER_SUPPLY_PROP_STATUS) + val->intval = drvdata->battery_stat; + else + val->intval = drvdata->battery_capacity; + break; + case POWER_SUPPLY_PROP_PRESENT: + val->intval = 1; + break; + case POWER_SUPPLY_PROP_SCOPE: + val->intval = POWER_SUPPLY_SCOPE_DEVICE; + break; + case POWER_SUPPLY_PROP_MODEL_NAME: + val->strval = drvdata->hdev->name; + break; + default: + ret = -EINVAL; + break; + } + + return ret; +} + +static int asus_battery_probe(struct hid_device *hdev) +{ + struct asus_drvdata *drvdata = hid_get_drvdata(hdev); + struct power_supply_config pscfg = { .drv_data = drvdata }; + int ret = 0; + + drvdata->battery_capacity = 0; + drvdata->battery_stat = POWER_SUPPLY_STATUS_UNKNOWN; + drvdata->battery_in_query = false; + + drvdata->battery_desc.properties = asus_battery_props; + drvdata->battery_desc.num_properties = ARRAY_SIZE(asus_battery_props); + drvdata->battery_desc.get_property = asus_battery_get_property; + drvdata->battery_desc.type = POWER_SUPPLY_TYPE_BATTERY; + drvdata->battery_desc.use_for_apm = 0; + drvdata->battery_desc.name = devm_kasprintf(&hdev->dev, GFP_KERNEL, + "asus-keyboard-%s-battery", + strlen(hdev->uniq) ? + hdev->uniq : dev_name(&hdev->dev)); + if (!drvdata->battery_desc.name) + return -ENOMEM; + + drvdata->battery_next_query = jiffies; + + drvdata->battery = devm_power_supply_register(&hdev->dev, + &(drvdata->battery_desc), &pscfg); + if (IS_ERR(drvdata->battery)) { + ret = PTR_ERR(drvdata->battery); + drvdata->battery = NULL; + hid_err(hdev, "Unable to register battery device\n"); + return ret; + } + + power_supply_powers(drvdata->battery, &hdev->dev); + + return ret; +} + static int asus_input_configured(struct hid_device *hdev, struct hid_input *hi) { struct input_dev *input = hi->input; @@ -500,7 +679,7 @@ static int asus_input_mapping(struct hid_device *hdev, * This avoids a bunch of non-functional hid_input devices getting * created because of the T100CHI using HID_QUIRK_MULTI_INPUT. */ - if (drvdata->quirks & QUIRK_T100CHI) { + if (drvdata->quirks & (QUIRK_T100CHI | QUIRK_T90CHI)) { if (field->application == (HID_UP_GENDESK | 0x0080) || usage->hid == (HID_UP_GENDEVCTRLS | 0x0024) || usage->hid == (HID_UP_GENDEVCTRLS | 0x0025) || @@ -660,6 +839,15 @@ static int asus_probe(struct hid_device *hdev, const struct hid_device_id *id) drvdata->quirks = id->driver_data; + /* + * T90CHI's keyboard dock returns same ID values as T100CHI's dock. + * Thus, identify T90CHI dock with product name string. + */ + if (strstr(hdev->name, "T90CHI")) { + drvdata->quirks &= ~QUIRK_T100CHI; + drvdata->quirks |= QUIRK_T90CHI; + } + if (drvdata->quirks & QUIRK_IS_MULTITOUCH) drvdata->tp = &asus_i2c_tp; @@ -694,6 +882,17 @@ static int asus_probe(struct hid_device *hdev, const struct hid_device_id *id) if (drvdata->quirks & QUIRK_NO_INIT_REPORTS) hdev->quirks |= HID_QUIRK_NO_INIT_REPORTS; + drvdata->hdev = hdev; + + if (drvdata->quirks & (QUIRK_T100CHI | QUIRK_T90CHI)) { + ret = asus_battery_probe(hdev); + if (ret) { + hid_err(hdev, + "Asus hid battery_probe failed: %d\n", ret); + return ret; + } + } + ret = hid_parse(hdev); if (ret) { hid_err(hdev, "Asus hid parse failed: %d\n", ret); @@ -769,28 +968,44 @@ static __u8 *asus_report_fixup(struct hid_device *hdev, __u8 *rdesc, hid_info(hdev, "Fixing up Asus T100 keyb report descriptor\n"); rdesc[74] &= ~HID_MAIN_ITEM_CONSTANT; } - /* For the T100CHI keyboard dock */ - if (drvdata->quirks & QUIRK_T100CHI && - *rsize == 403 && rdesc[388] == 0x09 && rdesc[389] == 0x76) { + /* For the T100CHI/T90CHI keyboard dock */ + if (drvdata->quirks & (QUIRK_T100CHI | QUIRK_T90CHI)) { + int rsize_orig; + int offs; + + if (drvdata->quirks & QUIRK_T100CHI) { + rsize_orig = 403; + offs = 388; + } else { + rsize_orig = 306; + offs = 291; + } + /* * Change Usage (76h) to Usage Minimum (00h), Usage Maximum * (FFh) and clear the flags in the Input() byte. * Note the descriptor has a bogus 0 byte at the end so we * only need 1 extra byte. */ - *rsize = 404; - rdesc = kmemdup(rdesc, *rsize, GFP_KERNEL); - if (!rdesc) - return NULL; - - hid_info(hdev, "Fixing up T100CHI keyb report descriptor\n"); - memmove(rdesc + 392, rdesc + 390, 12); - rdesc[388] = 0x19; - rdesc[389] = 0x00; - rdesc[390] = 0x29; - rdesc[391] = 0xff; - rdesc[402] = 0x00; + if (*rsize == rsize_orig && + rdesc[offs] == 0x09 && rdesc[offs + 1] == 0x76) { + *rsize = rsize_orig + 1; + rdesc = kmemdup(rdesc, *rsize, GFP_KERNEL); + if (!rdesc) + return NULL; + + hid_info(hdev, "Fixing up %s keyb report descriptor\n", + drvdata->quirks & QUIRK_T100CHI ? + "T100CHI" : "T90CHI"); + memmove(rdesc + offs + 4, rdesc + offs + 2, 12); + rdesc[offs] = 0x19; + rdesc[offs + 1] = 0x00; + rdesc[offs + 2] = 0x29; + rdesc[offs + 3] = 0xff; + rdesc[offs + 14] = 0x00; + } } + if (drvdata->quirks & QUIRK_G752_KEYBOARD && *rsize == 75 && rdesc[61] == 0x15 && rdesc[62] == 0x00) { /* report is missing usage mninum and maximum */ diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index f41d5fe51abe..9993b692598f 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -125,6 +125,7 @@ static int open_collection(struct hid_parser *parser, unsigned type) { struct hid_collection *collection; unsigned usage; + int collection_index; usage = parser->local.usage[0]; @@ -167,13 +168,13 @@ static int open_collection(struct hid_parser *parser, unsigned type) parser->collection_stack[parser->collection_stack_ptr++] = parser->device->maxcollection; - collection = parser->device->collection + - parser->device->maxcollection++; + collection_index = parser->device->maxcollection++; + collection = parser->device->collection + collection_index; collection->type = type; collection->usage = usage; collection->level = parser->collection_stack_ptr - 1; - collection->parent = parser->active_collection; - parser->active_collection = collection; + collection->parent_idx = (collection->level == 0) ? -1 : + parser->collection_stack[collection->level - 1]; if (type == HID_COLLECTION_APPLICATION) parser->device->maxapplication++; @@ -192,8 +193,6 @@ static int close_collection(struct hid_parser *parser) return -EINVAL; } parser->collection_stack_ptr--; - if (parser->active_collection) - parser->active_collection = parser->active_collection->parent; return 0; } @@ -1006,10 +1005,12 @@ static void hid_apply_multiplier_to_field(struct hid_device *hid, usage = &field->usage[i]; collection = &hid->collection[usage->collection_index]; - while (collection && collection != multiplier_collection) - collection = collection->parent; + while (collection->parent_idx != -1 && + collection != multiplier_collection) + collection = &hid->collection[collection->parent_idx]; - if (collection || multiplier_collection == NULL) + if (collection->parent_idx != -1 || + multiplier_collection == NULL) usage->resolution_multiplier = effective_multiplier; } @@ -1044,9 +1045,9 @@ static void hid_apply_multiplier(struct hid_device *hid, * applicable fields later. */ multiplier_collection = &hid->collection[multiplier->usage->collection_index]; - while (multiplier_collection && + while (multiplier_collection->parent_idx != -1 && multiplier_collection->type != HID_COLLECTION_LOGICAL) - multiplier_collection = multiplier_collection->parent; + multiplier_collection = &hid->collection[multiplier_collection->parent_idx]; effective_multiplier = hid_calculate_multiplier(hid, multiplier); diff --git a/drivers/hid/hid-debug.c b/drivers/hid/hid-debug.c index c530476edba6..ac9fda1b5a72 100644 --- a/drivers/hid/hid-debug.c +++ b/drivers/hid/hid-debug.c @@ -30,6 +30,7 @@ #include <linux/debugfs.h> #include <linux/seq_file.h> +#include <linux/kfifo.h> #include <linux/sched/signal.h> #include <linux/export.h> #include <linux/slab.h> @@ -661,17 +662,12 @@ EXPORT_SYMBOL_GPL(hid_dump_device); /* enqueue string to 'events' ring buffer */ void hid_debug_event(struct hid_device *hdev, char *buf) { - unsigned i; struct hid_debug_list *list; unsigned long flags; spin_lock_irqsave(&hdev->debug_list_lock, flags); - list_for_each_entry(list, &hdev->debug_list, node) { - for (i = 0; buf[i]; i++) - list->hid_debug_buf[(list->tail + i) % HID_DEBUG_BUFSIZE] = - buf[i]; - list->tail = (list->tail + i) % HID_DEBUG_BUFSIZE; - } + list_for_each_entry(list, &hdev->debug_list, node) + kfifo_in(&list->hid_debug_fifo, buf, strlen(buf)); spin_unlock_irqrestore(&hdev->debug_list_lock, flags); wake_up_interruptible(&hdev->debug_wait); @@ -722,8 +718,7 @@ void hid_dump_input(struct hid_device *hdev, struct hid_usage *usage, __s32 valu hid_debug_event(hdev, buf); kfree(buf); - wake_up_interruptible(&hdev->debug_wait); - + wake_up_interruptible(&hdev->debug_wait); } EXPORT_SYMBOL_GPL(hid_dump_input); @@ -1083,8 +1078,8 @@ static int hid_debug_events_open(struct inode *inode, struct file *file) goto out; } - if (!(list->hid_debug_buf = kzalloc(HID_DEBUG_BUFSIZE, GFP_KERNEL))) { - err = -ENOMEM; + err = kfifo_alloc(&list->hid_debug_fifo, HID_DEBUG_FIFOSIZE, GFP_KERNEL); + if (err) { kfree(list); goto out; } @@ -1104,77 +1099,57 @@ static ssize_t hid_debug_events_read(struct file *file, char __user *buffer, size_t count, loff_t *ppos) { struct hid_debug_list *list = file->private_data; - int ret = 0, len; + int ret = 0, copied; DECLARE_WAITQUEUE(wait, current); mutex_lock(&list->read_mutex); - while (ret == 0) { - if (list->head == list->tail) { - add_wait_queue(&list->hdev->debug_wait, &wait); - set_current_state(TASK_INTERRUPTIBLE); - - while (list->head == list->tail) { - if (file->f_flags & O_NONBLOCK) { - ret = -EAGAIN; - break; - } - if (signal_pending(current)) { - ret = -ERESTARTSYS; - break; - } + if (kfifo_is_empty(&list->hid_debug_fifo)) { + add_wait_queue(&list->hdev->debug_wait, &wait); + set_current_state(TASK_INTERRUPTIBLE); + + while (kfifo_is_empty(&list->hid_debug_fifo)) { + if (file->f_flags & O_NONBLOCK) { + ret = -EAGAIN; + break; + } - if (!list->hdev || !list->hdev->debug) { - ret = -EIO; - set_current_state(TASK_RUNNING); - goto out; - } + if (signal_pending(current)) { + ret = -ERESTARTSYS; + break; + } - /* allow O_NONBLOCK from other threads */ - mutex_unlock(&list->read_mutex); - schedule(); - mutex_lock(&list->read_mutex); - set_current_state(TASK_INTERRUPTIBLE); + /* if list->hdev is NULL we cannot remove_wait_queue(). + * if list->hdev->debug is 0 then hid_debug_unregister() + * was already called and list->hdev is being destroyed. + * if we add remove_wait_queue() here we can hit a race. + */ + if (!list->hdev || !list->hdev->debug) { + ret = -EIO; + set_current_state(TASK_RUNNING); + goto out; } - set_current_state(TASK_RUNNING); - remove_wait_queue(&list->hdev->debug_wait, &wait); + /* allow O_NONBLOCK from other threads */ + mutex_unlock(&list->read_mutex); + schedule(); + mutex_lock(&list->read_mutex); + set_current_state(TASK_INTERRUPTIBLE); } - if (ret) - goto out; + __set_current_state(TASK_RUNNING); + remove_wait_queue(&list->hdev->debug_wait, &wait); - /* pass the ringbuffer contents to userspace */ -copy_rest: - if (list->tail == list->head) + if (ret) goto out; - if (list->tail > list->head) { - len = list->tail - list->head; - if (len > count) - len = count; - - if (copy_to_user(buffer + ret, &list->hid_debug_buf[list->head], len)) { - ret = -EFAULT; - goto out; - } - ret += len; - list->head += len; - } else { - len = HID_DEBUG_BUFSIZE - list->head; - if (len > count) - len = count; - - if (copy_to_user(buffer, &list->hid_debug_buf[list->head], len)) { - ret = -EFAULT; - goto out; - } - list->head = 0; - ret += len; - count -= len; - if (count > 0) - goto copy_rest; - } - } + + /* pass the fifo content to userspace, locking is not needed with only + * one concurrent reader and one concurrent writer + */ + ret = kfifo_to_user(&list->hid_debug_fifo, buffer, count, &copied); + if (ret) + goto out; + ret = copied; out: mutex_unlock(&list->read_mutex); return ret; @@ -1185,7 +1160,7 @@ static __poll_t hid_debug_events_poll(struct file *file, poll_table *wait) struct hid_debug_list *list = file->private_data; poll_wait(file, &list->hdev->debug_wait, wait); - if (list->head != list->tail) + if (!kfifo_is_empty(&list->hid_debug_fifo)) return EPOLLIN | EPOLLRDNORM; if (!list->hdev->debug) return EPOLLERR | EPOLLHUP; @@ -1200,7 +1175,7 @@ static int hid_debug_events_release(struct inode *inode, struct file *file) spin_lock_irqsave(&list->hdev->debug_list_lock, flags); list_del(&list->node); spin_unlock_irqrestore(&list->hdev->debug_list_lock, flags); - kfree(list->hid_debug_buf); + kfifo_free(&list->hid_debug_fifo); kfree(list); return 0; @@ -1246,4 +1221,3 @@ void hid_debug_exit(void) { debugfs_remove_recursive(hid_debug_root); } - diff --git a/drivers/hid/hid-elan.c b/drivers/hid/hid-elan.c index 0bfd6d1b44c1..1c62095cee99 100644 --- a/drivers/hid/hid-elan.c +++ b/drivers/hid/hid-elan.c @@ -393,7 +393,7 @@ static int elan_start_multitouch(struct hid_device *hdev) * This byte sequence will enable multitouch mode and disable * mouse emulation */ - const unsigned char buf[] = { 0x0D, 0x00, 0x03, 0x21, 0x00 }; + static const unsigned char buf[] = { 0x0D, 0x00, 0x03, 0x21, 0x00 }; unsigned char *dmabuf = kmemdup(buf, sizeof(buf), GFP_KERNEL); if (!dmabuf) diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h index 518fa76414f5..b6d93f4ad037 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -72,6 +72,7 @@ #define USB_VENDOR_ID_ALCOR 0x058f #define USB_DEVICE_ID_ALCOR_USBRS232 0x9720 +#define USB_DEVICE_ID_ALCOR_MALTRON_KB 0x9410 #define USB_VENDOR_ID_ALPS 0x0433 #define USB_DEVICE_ID_IBM_GAMEPAD 0x1101 @@ -273,6 +274,7 @@ #define USB_DEVICE_ID_CHICONY_PIXART_USB_OPTICAL_MOUSE 0x1053 #define USB_DEVICE_ID_CHICONY_WIRELESS2 0x1123 #define USB_DEVICE_ID_ASUS_AK1D 0x1125 +#define USB_DEVICE_ID_CHICONY_TOSHIBA_WT10A 0x1408 #define USB_DEVICE_ID_CHICONY_ACER_SWITCH12 0x1421 #define USB_VENDOR_ID_CHUNGHWAT 0x2247 @@ -461,6 +463,9 @@ #define USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PIT_010A 0x010a #define USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PIT_E100 0xe100 +#define I2C_VENDOR_ID_GOODIX 0x27c6 +#define I2C_DEVICE_ID_GOODIX_01F0 0x01f0 + #define USB_VENDOR_ID_GOODTOUCH 0x1aad #define USB_DEVICE_ID_GOODTOUCH_000f 0x000f @@ -658,6 +663,7 @@ #define USB_DEVICE_ID_KYE_MOUSEPEN_I608X_V2 0x501a #define USB_DEVICE_ID_KYE_EASYPEN_M610X 0x5013 #define USB_DEVICE_ID_KYE_PENSKETCH_M912 0x5015 +#define USB_DEVICE_ID_KYE_EASYPEN_M406XE 0x5019 #define USB_VENDOR_ID_LABTEC 0x1020 #define USB_DEVICE_ID_LABTEC_WIRELESS_KEYBOARD 0x0006 @@ -711,6 +717,7 @@ #define USB_DEVICE_ID_LENOVO_TPPRODOCK 0x6067 #define USB_DEVICE_ID_LENOVO_X1_COVER 0x6085 #define USB_DEVICE_ID_LENOVO_X1_TAB 0x60a3 +#define USB_DEVICE_ID_LENOVO_X1_TAB3 0x60b5 #define USB_VENDOR_ID_LG 0x1fd2 #define USB_DEVICE_ID_LG_MULTITOUCH 0x0064 @@ -741,6 +748,7 @@ #define USB_DEVICE_ID_LOGITECH_WINGMAN_F3D 0xc283 #define USB_DEVICE_ID_LOGITECH_FORCE3D_PRO 0xc286 #define USB_DEVICE_ID_LOGITECH_FLIGHT_SYSTEM_G940 0xc287 +#define USB_DEVICE_ID_LOGITECH_WINGMAN_FG 0xc20e #define USB_DEVICE_ID_LOGITECH_WINGMAN_FFG 0xc293 #define USB_DEVICE_ID_LOGITECH_WHEEL 0xc294 #define USB_DEVICE_ID_LOGITECH_MOMO_WHEEL 0xc295 @@ -1131,11 +1139,16 @@ #define USB_DEVICE_ID_UCLOGIC_WIRELESS_TABLET_TWHL850 0x0522 #define USB_DEVICE_ID_UCLOGIC_TABLET_TWHA60 0x0781 #define USB_DEVICE_ID_UCLOGIC_DRAWIMAGE_G3 0x3031 -#define USB_DEVICE_ID_UGEE_TABLET_81 0x0081 -#define USB_DEVICE_ID_UGEE_TABLET_45 0x0045 +#define USB_DEVICE_ID_UCLOGIC_UGEE_TABLET_81 0x0081 +#define USB_DEVICE_ID_UCLOGIC_UGEE_TABLET_45 0x0045 +#define USB_DEVICE_ID_UCLOGIC_UGEE_TABLET_47 0x0047 #define USB_DEVICE_ID_YIYNOVA_TABLET 0x004d #define USB_VENDOR_ID_UGEE 0x28bd +#define USB_DEVICE_ID_UGEE_XPPEN_TABLET_G540 0x0075 +#define USB_DEVICE_ID_UGEE_XPPEN_TABLET_G640 0x0094 +#define USB_DEVICE_ID_UGEE_XPPEN_TABLET_DECO01 0x0042 +#define USB_DEVICE_ID_UGEE_TABLET_G5 0x0074 #define USB_DEVICE_ID_UGEE_TABLET_EX07S 0x0071 #define USB_VENDOR_ID_UNITEC 0x227d @@ -1237,4 +1250,10 @@ #define USB_VENDOR_ID_UGTIZER 0x2179 #define USB_DEVICE_ID_UGTIZER_TABLET_GP0610 0x0053 +#define USB_VENDOR_ID_VIEWSONIC 0x0543 +#define USB_DEVICE_ID_VIEWSONIC_PD1011 0xe621 + +#define USB_VENDOR_ID_SIGNOTEC 0x2133 +#define USB_DEVICE_ID_SIGNOTEC_VIEWSONIC_PD1011 0x0018 + #endif diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c index 59a5608b8dc0..b10b1922c5bd 100644 --- a/drivers/hid/hid-input.c +++ b/drivers/hid/hid-input.c @@ -328,6 +328,9 @@ static const struct hid_device_id hid_battery_quirks[] = { { HID_USB_DEVICE(USB_VENDOR_ID_SYMBOL, USB_DEVICE_ID_SYMBOL_SCANNER_3), HID_BATTERY_QUIRK_IGNORE }, + { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ASUSTEK, + USB_DEVICE_ID_ASUSTEK_T100CHI_KEYBOARD), + HID_BATTERY_QUIRK_IGNORE }, {} }; diff --git a/drivers/hid/hid-kye.c b/drivers/hid/hid-kye.c index 9c113f62472d..679d422b885a 100644 --- a/drivers/hid/hid-kye.c +++ b/drivers/hid/hid-kye.c @@ -483,6 +483,80 @@ static __u8 pensketch_m912_rdesc_fixed[] = { 0xC0 /* End Collection */ }; +/* Original EasyPen M406XE report descriptor size */ +#define EASYPEN_M406XE_RDESC_ORIG_SIZE 476 + +/* Fixed EasyPen M406XE report descriptor */ +static __u8 easypen_m406xe_rdesc_fixed[] = { + 0x05, 0x01, /* Usage Page (Desktop), */ + 0x09, 0x01, /* Usage (01h), */ + 0xA1, 0x01, /* Collection (Application), */ + 0x85, 0x05, /* Report ID (5), */ + 0x09, 0x01, /* Usage (01h), */ + 0x15, 0x80, /* Logical Minimum (-128), */ + 0x25, 0x7F, /* Logical Maximum (127), */ + 0x75, 0x08, /* Report Size (8), */ + 0x95, 0x07, /* Report Count (7), */ + 0xB1, 0x02, /* Feature (Variable), */ + 0xC0, /* End Collection, */ + 0x05, 0x0D, /* Usage Page (Digitizer), */ + 0x09, 0x02, /* Usage (Pen), */ + 0xA1, 0x01, /* Collection (Application), */ + 0x85, 0x10, /* Report ID (16), */ + 0x09, 0x20, /* Usage (Stylus), */ + 0xA0, /* Collection (Physical), */ + 0x14, /* Logical Minimum (0), */ + 0x25, 0x01, /* Logical Maximum (1), */ + 0x75, 0x01, /* Report Size (1), */ + 0x09, 0x42, /* Usage (Tip Switch), */ + 0x09, 0x44, /* Usage (Barrel Switch), */ + 0x09, 0x46, /* Usage (Tablet Pick), */ + 0x95, 0x03, /* Report Count (3), */ + 0x81, 0x02, /* Input (Variable), */ + 0x95, 0x04, /* Report Count (4), */ + 0x81, 0x03, /* Input (Constant, Variable), */ + 0x09, 0x32, /* Usage (In Range), */ + 0x95, 0x01, /* Report Count (1), */ + 0x81, 0x02, /* Input (Variable), */ + 0x75, 0x10, /* Report Size (16), */ + 0x95, 0x01, /* Report Count (1), */ + 0xA4, /* Push, */ + 0x05, 0x01, /* Usage Page (Desktop), */ + 0x55, 0xFD, /* Unit Exponent (-3), */ + 0x65, 0x13, /* Unit (Inch), */ + 0x34, /* Physical Minimum (0), */ + 0x09, 0x30, /* Usage (X), */ + 0x46, 0x70, 0x17, /* Physical Maximum (6000), */ + 0x26, 0x00, 0x3C, /* Logical Maximum (15360), */ + 0x81, 0x02, /* Input (Variable), */ + 0x09, 0x31, /* Usage (Y), */ + 0x46, 0xA0, 0x0F, /* Physical Maximum (4000), */ + 0x26, 0x00, 0x28, /* Logical Maximum (10240), */ + 0x81, 0x02, /* Input (Variable), */ + 0xB4, /* Pop, */ + 0x09, 0x30, /* Usage (Tip Pressure), */ + 0x26, 0xFF, 0x03, /* Logical Maximum (1023), */ + 0x81, 0x02, /* Input (Variable), */ + 0xC0, /* End Collection, */ + 0xC0, /* End Collection */ + 0x05, 0x0C, /* Usage Page (Consumer), */ + 0x09, 0x01, /* Usage (Consumer Control), */ + 0xA1, 0x01, /* Collection (Application), */ + 0x85, 0x12, /* Report ID (18), */ + 0x14, /* Logical Minimum (0), */ + 0x25, 0x01, /* Logical Maximum (1), */ + 0x75, 0x01, /* Report Size (1), */ + 0x95, 0x04, /* Report Count (4), */ + 0x0A, 0x79, 0x02, /* Usage (AC Redo Or Repeat), */ + 0x0A, 0x1A, 0x02, /* Usage (AC Undo), */ + 0x0A, 0x2D, 0x02, /* Usage (AC Zoom In), */ + 0x0A, 0x2E, 0x02, /* Usage (AC Zoom Out), */ + 0x81, 0x02, /* Input (Variable), */ + 0x95, 0x34, /* Report Count (52), */ + 0x81, 0x03, /* Input (Constant, Variable), */ + 0xC0 /* End Collection */ +}; + static __u8 *kye_consumer_control_fixup(struct hid_device *hdev, __u8 *rdesc, unsigned int *rsize, int offset, const char *device_name) { /* @@ -555,6 +629,12 @@ static __u8 *kye_report_fixup(struct hid_device *hdev, __u8 *rdesc, *rsize = sizeof(easypen_m610x_rdesc_fixed); } break; + case USB_DEVICE_ID_KYE_EASYPEN_M406XE: + if (*rsize == EASYPEN_M406XE_RDESC_ORIG_SIZE) { + rdesc = easypen_m406xe_rdesc_fixed; + *rsize = sizeof(easypen_m406xe_rdesc_fixed); + } + break; case USB_DEVICE_ID_KYE_PENSKETCH_M912: if (*rsize == PENSKETCH_M912_RDESC_ORIG_SIZE) { rdesc = pensketch_m912_rdesc_fixed; @@ -644,6 +724,7 @@ static int kye_probe(struct hid_device *hdev, const struct hid_device_id *id) case USB_DEVICE_ID_KYE_MOUSEPEN_I608X: case USB_DEVICE_ID_KYE_MOUSEPEN_I608X_V2: case USB_DEVICE_ID_KYE_EASYPEN_M610X: + case USB_DEVICE_ID_KYE_EASYPEN_M406XE: case USB_DEVICE_ID_KYE_PENSKETCH_M912: ret = kye_tablet_enable(hdev); if (ret) { @@ -679,6 +760,8 @@ static const struct hid_device_id kye_devices[] = { { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_EASYPEN_M610X) }, { HID_USB_DEVICE(USB_VENDOR_ID_KYE, + USB_DEVICE_ID_KYE_EASYPEN_M406XE) }, + { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_GENIUS_GILA_GAMING_MOUSE) }, { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_GENIUS_GX_IMPERATOR) }, diff --git a/drivers/hid/hid-lg.c b/drivers/hid/hid-lg.c index 596227ddb6e0..5d419a95b6c2 100644 --- a/drivers/hid/hid-lg.c +++ b/drivers/hid/hid-lg.c @@ -50,6 +50,7 @@ #define MOMO_RDESC_ORIG_SIZE 87 #define MOMO2_RDESC_ORIG_SIZE 87 #define FFG_RDESC_ORIG_SIZE 85 +#define FG_RDESC_ORIG_SIZE 82 /* Fixed report descriptors for Logitech Driving Force (and Pro) * wheel controllers @@ -381,6 +382,49 @@ static __u8 ffg_rdesc_fixed[] = { 0xC0 /* End Collection */ }; +static __u8 fg_rdesc_fixed[] = { +0x05, 0x01, /* Usage Page (Desktop), */ +0x09, 0x04, /* Usage (Joystik), */ +0xA1, 0x01, /* Collection (Application), */ +0xA1, 0x02, /* Collection (Logical), */ +0x15, 0x00, /* Logical Minimum (0), */ +0x26, 0xFF, 0x00, /* Logical Maximum (255), */ +0x35, 0x00, /* Physical Minimum (0), */ +0x46, 0xFF, 0x00, /* Physical Maximum (255), */ +0x75, 0x08, /* Report Size (8), */ +0x95, 0x01, /* Report Count (1), */ +0x09, 0x30, /* Usage (X), */ +0x81, 0x02, /* Input (Variable), */ +0xA4, /* Push, */ +0x25, 0x01, /* Logical Maximum (1), */ +0x45, 0x01, /* Physical Maximum (1), */ +0x75, 0x01, /* Report Size (1), */ +0x95, 0x02, /* Report Count (2), */ +0x81, 0x01, /* Input (Constant), */ +0x95, 0x06, /* Report Count (6), */ +0x05, 0x09, /* Usage Page (Button), */ +0x19, 0x01, /* Usage Minimum (01h), */ +0x29, 0x06, /* Usage Maximum (06h), */ +0x81, 0x02, /* Input (Variable), */ +0x05, 0x01, /* Usage Page (Desktop), */ +0xB4, /* Pop, */ +0x81, 0x02, /* Input (Constant), */ +0x09, 0x31, /* Usage (Y), */ +0x81, 0x02, /* Input (Variable), */ +0x09, 0x32, /* Usage (Z), */ +0x81, 0x02, /* Input (Variable), */ +0xC0, /* End Collection, */ +0xA1, 0x02, /* Collection (Logical), */ +0x26, 0xFF, 0x00, /* Logical Maximum (255), */ +0x46, 0xFF, 0x00, /* Physical Maximum (255), */ +0x75, 0x08, /* Report Size (8), */ +0x95, 0x04, /* Report Count (4), */ +0x09, 0x02, /* Usage (02h), */ +0xB1, 0x02, /* Feature (Variable), */ +0xC0, /* End Collection, */ +0xC0 /* End Collection, */ +}; + /* * Certain Logitech keyboards send in report #3 keys which are far * above the logical maximum described in descriptor. This extends @@ -408,6 +452,19 @@ static __u8 *lg_report_fixup(struct hid_device *hdev, __u8 *rdesc, switch (hdev->product) { + case USB_DEVICE_ID_LOGITECH_WINGMAN_FG: + if (*rsize == FG_RDESC_ORIG_SIZE) { + hid_info(hdev, + "fixing up Logitech Wingman Formula GP report descriptor\n"); + rdesc = fg_rdesc_fixed; + *rsize = sizeof(fg_rdesc_fixed); + } else { + hid_info(hdev, + "rdesc size test failed for formula gp\n"); + } + break; + + case USB_DEVICE_ID_LOGITECH_WINGMAN_FFG: if (*rsize == FFG_RDESC_ORIG_SIZE) { hid_info(hdev, @@ -664,6 +721,7 @@ static int lg_input_mapped(struct hid_device *hdev, struct hid_input *hi, usage->code == ABS_RZ)) { switch (hdev->product) { case USB_DEVICE_ID_LOGITECH_G29_WHEEL: + case USB_DEVICE_ID_LOGITECH_WINGMAN_FG: case USB_DEVICE_ID_LOGITECH_WINGMAN_FFG: case USB_DEVICE_ID_LOGITECH_WHEEL: case USB_DEVICE_ID_LOGITECH_MOMO_WHEEL: @@ -871,6 +929,8 @@ static const struct hid_device_id lg_devices[] = { .driver_data = LG_NOGET | LG_FF4 }, { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WII_WHEEL), .driver_data = LG_FF4 }, + { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_FG), + .driver_data = LG_NOGET }, { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_FFG), .driver_data = LG_NOGET | LG_FF4 }, { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2), diff --git a/drivers/hid/hid-lg4ff.c b/drivers/hid/hid-lg4ff.c index 512d67e1aae3..a299c9d1605f 100644 --- a/drivers/hid/hid-lg4ff.c +++ b/drivers/hid/hid-lg4ff.c @@ -103,6 +103,10 @@ static const signed short lg4ff_wheel_effects[] = { -1 }; +static const signed short no_wheel_effects[] = { + -1 +}; + struct lg4ff_wheel { const u32 product_id; const signed short *ff_effects; @@ -137,6 +141,7 @@ struct lg4ff_alternate_mode { }; static const struct lg4ff_wheel lg4ff_devices[] = { + {USB_DEVICE_ID_LOGITECH_WINGMAN_FG, no_wheel_effects, 40, 180, NULL}, {USB_DEVICE_ID_LOGITECH_WINGMAN_FFG, lg4ff_wheel_effects, 40, 180, NULL}, {USB_DEVICE_ID_LOGITECH_WHEEL, lg4ff_wheel_effects, 40, 270, NULL}, {USB_DEVICE_ID_LOGITECH_MOMO_WHEEL, lg4ff_wheel_effects, 40, 270, NULL}, @@ -346,6 +351,7 @@ int lg4ff_raw_event(struct hid_device *hdev, struct hid_report *report, rd[5] = rd[3]; rd[6] = 0x7F; return 1; + case USB_DEVICE_ID_LOGITECH_WINGMAN_FG: case USB_DEVICE_ID_LOGITECH_WINGMAN_FFG: case USB_DEVICE_ID_LOGITECH_MOMO_WHEEL: case USB_DEVICE_ID_LOGITECH_MOMO_WHEEL2: diff --git a/drivers/hid/hid-maltron.c b/drivers/hid/hid-maltron.c new file mode 100644 index 000000000000..dcd6db6a646e --- /dev/null +++ b/drivers/hid/hid-maltron.c @@ -0,0 +1,165 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * HID driver for Maltron L90 + * + * Copyright (c) 1999 Andreas Gal + * Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz> + * Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc + * Copyright (c) 2008 Jiri Slaby + * Copyright (c) 2012 David Dillow <dave@thedillows.org> + * Copyright (c) 2006-2013 Jiri Kosina + * Copyright (c) 2013 Colin Leitner <colin.leitner@gmail.com> + * Copyright (c) 2014-2016 Frank Praznik <frank.praznik@gmail.com> + * Copyright (c) 2010 Richard Nauber <Richard.Nauber@gmail.com> + * Copyright (c) 2016 Yuxuan Shui <yshuiv7@gmail.com> + * Copyright (c) 2018 William Whistler <wtbw@wtbw.co.uk> + */ + +#include <linux/device.h> +#include <linux/hid.h> +#include <linux/module.h> + +#include "hid-ids.h" + +/* The original buggy USB descriptor */ +static u8 maltron_rdesc_o[] = { + 0x05, 0x01, /* Usage Page (Generic Desktop Ctrls) */ + 0x09, 0x80, /* Usage (Sys Control) */ + 0xA1, 0x01, /* Collection (Application) */ + 0x85, 0x02, /* Report ID (2) */ + 0x75, 0x01, /* Report Size (1) */ + 0x95, 0x01, /* Report Count (1) */ + 0x15, 0x00, /* Logical Minimum (0) */ + 0x25, 0x01, /* Logical Maximum (1) */ + 0x09, 0x82, /* Usage (Sys Sleep) */ + 0x81, 0x06, /* Input (Data,Var,Rel) */ + 0x09, 0x82, /* Usage (Sys Sleep) */ + 0x81, 0x06, /* Input (Data,Var,Rel) */ + 0x09, 0x83, /* Usage (Sys Wake Up) */ + 0x81, 0x06, /* Input (Data,Var,Rel) */ + 0x75, 0x05, /* Report Size (5) */ + 0x81, 0x01, /* Input (Const,Array,Abs) */ + 0xC0, /* End Collection */ + 0x05, 0x0C, /* Usage Page (Consumer) */ + 0x09, 0x01, /* Usage (Consumer Control) */ + 0xA1, 0x01, /* Collection (Application) */ + 0x85, 0x03, /* Report ID (3) */ + 0x95, 0x01, /* Report Count (1) */ + 0x75, 0x10, /* Report Size (16) */ + 0x19, 0x00, /* Usage Minimum (Unassigned) */ + 0x2A, 0xFF, 0x7F, /* Usage Maximum (0x7FFF) */ + 0x81, 0x00, /* Input (Data,Array,Abs) */ + 0xC0, /* End Collection */ + 0x06, 0x7F, 0xFF, /* Usage Page (Vendor Defined 0xFF7F) */ + 0x09, 0x01, /* Usage (0x01) */ + 0xA1, 0x01, /* Collection (Application) */ + 0x85, 0x04, /* Report ID (4) */ + 0x95, 0x01, /* Report Count (1) */ + 0x75, 0x10, /* Report Size (16) */ + 0x19, 0x00, /* Usage Minimum (0x00) */ + 0x2A, 0xFF, 0x7F, /* Usage Maximum (0x7FFF) */ + 0x81, 0x00, /* Input (Data,Array,Abs) */ + 0x75, 0x02, /* Report Size (2) */ + 0x25, 0x02, /* Logical Maximum (2) */ + 0x09, 0x90, /* Usage (0x90) */ + 0xB1, 0x02, /* Feature (Data,Var,Abs) */ + 0x75, 0x06, /* Report Size (6) */ + 0xB1, 0x01, /* Feature (Const,Array,Abs) */ + 0x75, 0x01, /* Report Size (1) */ + 0x25, 0x01, /* Logical Maximum (1) */ + 0x05, 0x08, /* Usage Page (LEDs) */ + 0x09, 0x2A, /* Usage (On-Line) */ + 0x91, 0x02, /* Output (Data,Var,Abs) */ + 0x09, 0x4B, /* Usage (Generic Indicator) */ + 0x91, 0x02, /* Output (Data,Var,Abs) */ + 0x75, 0x06, /* Report Size (6) */ + 0x95, 0x01, /* Report Count (1) */ + 0x91, 0x01, /* Output (Const,Array,Abs) */ + 0xC0 /* End Collection */ +}; + +/* The patched descriptor, allowing media key events to be accepted as valid */ +static u8 maltron_rdesc[] = { + 0x05, 0x01, /* Usage Page (Generic Desktop Ctrls) */ + 0x09, 0x80, /* Usage (Sys Control) */ + 0xA1, 0x01, /* Collection (Application) */ + 0x85, 0x02, /* Report ID (2) */ + 0x75, 0x01, /* Report Size (1) */ + 0x95, 0x01, /* Report Count (1) */ + 0x15, 0x00, /* Logical Minimum (0) */ + 0x25, 0x01, /* Logical Maximum (1) */ + 0x09, 0x82, /* Usage (Sys Sleep) */ + 0x81, 0x06, /* Input (Data,Var,Rel) */ + 0x09, 0x82, /* Usage (Sys Sleep) */ + 0x81, 0x06, /* Input (Data,Var,Rel) */ + 0x09, 0x83, /* Usage (Sys Wake Up) */ + 0x81, 0x06, /* Input (Data,Var,Rel) */ + 0x75, 0x05, /* Report Size (5) */ + 0x81, 0x01, /* Input (Const,Array,Abs) */ + 0xC0, /* End Collection */ + 0x05, 0x0C, /* Usage Page (Consumer) */ + 0x09, 0x01, /* Usage (Consumer Control) */ + 0xA1, 0x01, /* Collection (Application) */ + 0x85, 0x03, /* Report ID (3) */ + 0x15, 0x00, /* Logical Minimum (0) - changed */ + 0x26, 0xFF, 0x7F, /* Logical Maximum (32767) - changed */ + 0x95, 0x01, /* Report Count (1) */ + 0x75, 0x10, /* Report Size (16) */ + 0x19, 0x00, /* Usage Minimum (Unassigned) */ + 0x2A, 0xFF, 0x7F, /* Usage Maximum (0x7FFF) */ + 0x81, 0x00, /* Input (Data,Array,Abs) */ + 0xC0, /* End Collection */ + 0x06, 0x7F, 0xFF, /* Usage Page (Vendor Defined 0xFF7F) */ + 0x09, 0x01, /* Usage (0x01) */ + 0xA1, 0x01, /* Collection (Application) */ + 0x85, 0x04, /* Report ID (4) */ + 0x95, 0x01, /* Report Count (1) */ + 0x75, 0x10, /* Report Size (16) */ + 0x19, 0x00, /* Usage Minimum (0x00) */ + 0x2A, 0xFF, 0x7F, /* Usage Maximum (0x7FFF) */ + 0x81, 0x00, /* Input (Data,Array,Abs) */ + 0x75, 0x02, /* Report Size (2) */ + 0x25, 0x02, /* Logical Maximum (2) */ + 0x09, 0x90, /* Usage (0x90) */ + 0xB1, 0x02, /* Feature (Data,Var,Abs) */ + 0x75, 0x06, /* Report Size (6) */ + 0xB1, 0x01, /* Feature (Const,Array,Abs) */ + 0x75, 0x01, /* Report Size (1) */ + 0x25, 0x01, /* Logical Maximum (1) */ + 0x05, 0x08, /* Usage Page (LEDs) */ + 0x09, 0x2A, /* Usage (On-Line) */ + 0x91, 0x02, /* Output (Data,Var,Abs) */ + 0x09, 0x4B, /* Usage (Generic Indicator) */ + 0x91, 0x02, /* Output (Data,Var,Abs) */ + 0x75, 0x06, /* Report Size (6) */ + 0x95, 0x01, /* Report Count (1) */ + 0x91, 0x01, /* Output (Const,Array,Abs) */ + 0xC0 /* End Collection */ +}; + +static __u8 *maltron_report_fixup(struct hid_device *hdev, __u8 *rdesc, + unsigned int *rsize) +{ + if (*rsize == sizeof(maltron_rdesc_o) && + !memcmp(maltron_rdesc_o, rdesc, sizeof(maltron_rdesc_o))) { + hid_info(hdev, "Replacing Maltron L90 keyboard report descriptor\n"); + *rsize = sizeof(maltron_rdesc); + return maltron_rdesc; + } + return rdesc; +} + +static const struct hid_device_id maltron_devices[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_ALCOR, USB_DEVICE_ID_ALCOR_MALTRON_KB)}, + { } +}; +MODULE_DEVICE_TABLE(hid, maltron_devices); + +static struct hid_driver maltron_driver = { + .name = "maltron", + .id_table = maltron_devices, + .report_fixup = maltron_report_fixup +}; +module_hid_driver(maltron_driver); + +MODULE_LICENSE("GPL"); diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c index dca0a3a90fb8..c02d4cad1893 100644 --- a/drivers/hid/hid-multitouch.c +++ b/drivers/hid/hid-multitouch.c @@ -1780,6 +1780,12 @@ static const struct hid_device_id mt_devices[] = { USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_X1_TAB) }, + /* Lenovo X1 TAB Gen 3 */ + { .driver_data = MT_CLS_WIN_8_DUAL, + HID_DEVICE(BUS_USB, HID_GROUP_MULTITOUCH_WIN_8, + USB_VENDOR_ID_LENOVO, + USB_DEVICE_ID_LENOVO_X1_TAB3) }, + /* Anton devices */ { .driver_data = MT_CLS_EXPORT_ALL_INPUTS, MT_USB_DEVICE(USB_VENDOR_ID_ANTON, diff --git a/drivers/hid/hid-quirks.c b/drivers/hid/hid-quirks.c index 94088c0ed68a..953908f2267c 100644 --- a/drivers/hid/hid-quirks.c +++ b/drivers/hid/hid-quirks.c @@ -99,6 +99,7 @@ static const struct hid_device_id hid_quirks[] = { { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_MOUSEPEN_I608X), HID_QUIRK_MULTI_INPUT }, { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_MOUSEPEN_I608X_V2), HID_QUIRK_MULTI_INPUT }, { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_PENSKETCH_M912), HID_QUIRK_MULTI_INPUT }, + { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_EASYPEN_M406XE), HID_QUIRK_MULTI_INPUT }, { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_PIXART_USB_OPTICAL_MOUSE_ID2), HID_QUIRK_ALWAYS_POLL }, { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_C007), HID_QUIRK_ALWAYS_POLL }, { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_C077), HID_QUIRK_ALWAYS_POLL }, @@ -411,11 +412,6 @@ static const struct hid_device_id hid_have_special_driver[] = { { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_GENIUS_MANTICORE) }, { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_GENIUS_GX_IMPERATOR) }, { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_ERGO_525V) }, - { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_EASYPEN_I405X) }, - { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_MOUSEPEN_I608X) }, - { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_MOUSEPEN_I608X_V2) }, - { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_EASYPEN_M610X) }, - { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_PENSKETCH_M912) }, #endif #if IS_ENABLED(CONFIG_HID_LCPOWER) { HID_USB_DEVICE(USB_VENDOR_ID_LCPOWER, USB_DEVICE_ID_LCPOWER_LC1000) }, @@ -451,6 +447,7 @@ static const struct hid_device_id hid_have_special_driver[] = { { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2_2) }, { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G29_WHEEL) }, { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_F3D) }, + { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_FG) }, { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_FFG) }, { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FORCE3D_PRO) }, { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FLIGHT_SYSTEM_G940) }, @@ -673,35 +670,9 @@ static const struct hid_device_id hid_have_special_driver[] = { #if IS_ENABLED(CONFIG_HID_TWINHAN) { HID_USB_DEVICE(USB_VENDOR_ID_TWINHAN, USB_DEVICE_ID_TWINHAN_IR_REMOTE) }, #endif -#if IS_ENABLED(CONFIG_HID_UCLOGIC) - { HID_USB_DEVICE(USB_VENDOR_ID_HUION, USB_DEVICE_ID_HUION_TABLET) }, - { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_HUION_TABLET) }, - { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_PF1209) }, - { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP4030U) }, - { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP5540U) }, - { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP8060U) }, - { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP1062) }, - { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_WIRELESS_TABLET_TWHL850) }, - { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_TWHA60) }, - { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_YIYNOVA_TABLET) }, - { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UGEE_TABLET_81) }, - { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UGEE_TABLET_45) }, - { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_DRAWIMAGE_G3) }, - { HID_USB_DEVICE(USB_VENDOR_ID_UGEE, USB_DEVICE_ID_UGEE_TABLET_EX07S) }, - { HID_USB_DEVICE(USB_VENDOR_ID_UGTIZER, USB_DEVICE_ID_UGTIZER_TABLET_GP0610) }, -#endif #if IS_ENABLED(CONFIG_HID_UDRAW_PS3) { HID_USB_DEVICE(USB_VENDOR_ID_THQ, USB_DEVICE_ID_THQ_PS3_UDRAW) }, #endif -#if IS_ENABLED(CONFIG_HID_WALTOP) - { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SLIM_TABLET_5_8_INCH) }, - { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SLIM_TABLET_12_1_INCH) }, - { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_Q_PAD) }, - { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_PID_0038) }, - { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_10_6_INCH) }, - { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_14_1_INCH) }, - { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SIRIUS_BATTERY_FREE_TABLET) }, -#endif #if IS_ENABLED(CONFIG_HID_XINMO) { HID_USB_DEVICE(USB_VENDOR_ID_XIN_MO, USB_DEVICE_ID_XIN_MO_DUAL_ARCADE) }, { HID_USB_DEVICE(USB_VENDOR_ID_XIN_MO, USB_DEVICE_ID_THT_2P_ARCADE) }, diff --git a/drivers/hid/hid-roccat-kone.c b/drivers/hid/hid-roccat-kone.c index bf4675a27396..c4dd6162c1d6 100644 --- a/drivers/hid/hid-roccat-kone.c +++ b/drivers/hid/hid-roccat-kone.c @@ -783,6 +783,7 @@ static void kone_keep_values_up_to_date(struct kone_device *kone, case kone_mouse_event_switch_profile: kone->actual_dpi = kone->profiles[event->value - 1]. startup_dpi; + /* fall through */ case kone_mouse_event_osd_profile: kone->actual_profile = event->value; break; diff --git a/drivers/hid/hid-sony.c b/drivers/hid/hid-sony.c index 9671a4bad643..26fae90b931a 100644 --- a/drivers/hid/hid-sony.c +++ b/drivers/hid/hid-sony.c @@ -58,6 +58,7 @@ #define FUTUREMAX_DANCE_MAT BIT(13) #define NSG_MR5U_REMOTE_BT BIT(14) #define NSG_MR7U_REMOTE_BT BIT(15) +#define SHANWAN_GAMEPAD BIT(16) #define SIXAXIS_CONTROLLER (SIXAXIS_CONTROLLER_USB | SIXAXIS_CONTROLLER_BT) #define MOTION_CONTROLLER (MOTION_CONTROLLER_USB | MOTION_CONTROLLER_BT) @@ -1490,6 +1491,7 @@ static int sony_register_sensors(struct sony_sc *sc) */ static int sixaxis_set_operational_usb(struct hid_device *hdev) { + struct sony_sc *sc = hid_get_drvdata(hdev); const int buf_size = max(SIXAXIS_REPORT_0xF2_SIZE, SIXAXIS_REPORT_0xF5_SIZE); u8 *buf; @@ -1519,14 +1521,15 @@ static int sixaxis_set_operational_usb(struct hid_device *hdev) /* * But the USB interrupt would cause SHANWAN controllers to - * start rumbling non-stop. + * start rumbling non-stop, so skip step 3 for these controllers. */ - if (strcmp(hdev->name, "SHANWAN PS3 GamePad")) { - ret = hid_hw_output_report(hdev, buf, 1); - if (ret < 0) { - hid_info(hdev, "can't set operational mode: step 3, ignoring\n"); - ret = 0; - } + if (sc->quirks & SHANWAN_GAMEPAD) + goto out; + + ret = hid_hw_output_report(hdev, buf, 1); + if (ret < 0) { + hid_info(hdev, "can't set operational mode: step 3, ignoring\n"); + ret = 0; } out: @@ -2097,9 +2100,14 @@ static void sixaxis_send_output_report(struct sony_sc *sc) } } - hid_hw_raw_request(sc->hdev, report->report_id, (u8 *)report, - sizeof(struct sixaxis_output_report), - HID_OUTPUT_REPORT, HID_REQ_SET_REPORT); + /* SHANWAN controllers require output reports via intr channel */ + if (sc->quirks & SHANWAN_GAMEPAD) + hid_hw_output_report(sc->hdev, (u8 *)report, + sizeof(struct sixaxis_output_report)); + else + hid_hw_raw_request(sc->hdev, report->report_id, (u8 *)report, + sizeof(struct sixaxis_output_report), + HID_OUTPUT_REPORT, HID_REQ_SET_REPORT); } static void dualshock4_send_output_report(struct sony_sc *sc) @@ -2811,6 +2819,9 @@ static int sony_probe(struct hid_device *hdev, const struct hid_device_id *id) if (!strcmp(hdev->name, "FutureMax Dance Mat")) quirks |= FUTUREMAX_DANCE_MAT; + if (!strcmp(hdev->name, "SHANWAN PS3 GamePad")) + quirks |= SHANWAN_GAMEPAD; + sc = devm_kzalloc(&hdev->dev, sizeof(*sc), GFP_KERNEL); if (sc == NULL) { hid_err(hdev, "can't alloc sony descriptor\n"); diff --git a/drivers/hid/hid-steam.c b/drivers/hid/hid-steam.c index dc4128bfe2ca..8141cadfca0e 100644 --- a/drivers/hid/hid-steam.c +++ b/drivers/hid/hid-steam.c @@ -283,11 +283,6 @@ static void steam_set_lizard_mode(struct steam_device *steam, bool enable) static int steam_input_open(struct input_dev *dev) { struct steam_device *steam = input_get_drvdata(dev); - int ret; - - ret = hid_hw_open(steam->hdev); - if (ret) - return ret; mutex_lock(&steam->mutex); if (!steam->client_opened && lizard_mode) @@ -304,8 +299,6 @@ static void steam_input_close(struct input_dev *dev) if (!steam->client_opened && lizard_mode) steam_set_lizard_mode(steam, true); mutex_unlock(&steam->mutex); - - hid_hw_close(steam->hdev); } static enum power_supply_property steam_battery_props[] = { @@ -623,11 +616,6 @@ static void steam_client_ll_stop(struct hid_device *hdev) static int steam_client_ll_open(struct hid_device *hdev) { struct steam_device *steam = hdev->driver_data; - int ret; - - ret = hid_hw_open(steam->hdev); - if (ret) - return ret; mutex_lock(&steam->mutex); steam->client_opened = true; @@ -635,7 +623,7 @@ static int steam_client_ll_open(struct hid_device *hdev) steam_input_unregister(steam); - return ret; + return 0; } static void steam_client_ll_close(struct hid_device *hdev) @@ -646,7 +634,6 @@ static void steam_client_ll_close(struct hid_device *hdev) steam->client_opened = false; mutex_unlock(&steam->mutex); - hid_hw_close(steam->hdev); if (steam->connected) { steam_set_lizard_mode(steam, lizard_mode); steam_input_register(steam); @@ -759,14 +746,15 @@ static int steam_probe(struct hid_device *hdev, if (ret) goto client_hdev_add_fail; + ret = hid_hw_open(hdev); + if (ret) { + hid_err(hdev, + "%s:hid_hw_open\n", + __func__); + goto hid_hw_open_fail; + } + if (steam->quirks & STEAM_QUIRK_WIRELESS) { - ret = hid_hw_open(hdev); - if (ret) { - hid_err(hdev, - "%s:hid_hw_open for wireless\n", - __func__); - goto hid_hw_open_fail; - } hid_info(hdev, "Steam wireless receiver connected"); steam_request_conn_status(steam); } else { @@ -781,8 +769,8 @@ static int steam_probe(struct hid_device *hdev, return 0; -hid_hw_open_fail: input_register_fail: +hid_hw_open_fail: client_hdev_add_fail: hid_hw_stop(hdev); hid_hw_start_fail: @@ -809,8 +797,8 @@ static void steam_remove(struct hid_device *hdev) cancel_work_sync(&steam->work_connect); if (steam->quirks & STEAM_QUIRK_WIRELESS) { hid_info(hdev, "Steam wireless receiver disconnected"); - hid_hw_close(hdev); } + hid_hw_close(hdev); hid_hw_stop(hdev); steam_unregister(steam); } diff --git a/drivers/hid/hid-topseed.c b/drivers/hid/hid-topseed.c index 8a5b843e9dd6..e9cdde840362 100644 --- a/drivers/hid/hid-topseed.c +++ b/drivers/hid/hid-topseed.c @@ -34,7 +34,9 @@ static int ts_input_mapping(struct hid_device *hdev, struct hid_input *hi, return 0; switch (usage->hid & HID_USAGE) { + case 0x00c: ts_map_key_clear(KEY_WLAN); break; case 0x00d: ts_map_key_clear(KEY_MEDIA); break; + case 0x010: ts_map_key_clear(KEY_ZOOM); break; case 0x024: ts_map_key_clear(KEY_MENU); break; case 0x025: ts_map_key_clear(KEY_TV); break; case 0x027: ts_map_key_clear(KEY_MODE); break; @@ -67,6 +69,7 @@ static const struct hid_device_id ts_devices[] = { { HID_USB_DEVICE(USB_VENDOR_ID_BTC, USB_DEVICE_ID_BTC_EMPREX_REMOTE_2) }, { HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED2, USB_DEVICE_ID_TOPSEED2_RF_COMBO) }, { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS) }, + { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_TOSHIBA_WT10A) }, { } }; MODULE_DEVICE_TABLE(hid, ts_devices); diff --git a/drivers/hid/hid-uclogic-core.c b/drivers/hid/hid-uclogic-core.c new file mode 100644 index 000000000000..8fe02d81265d --- /dev/null +++ b/drivers/hid/hid-uclogic-core.c @@ -0,0 +1,418 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * HID driver for UC-Logic devices not fully compliant with HID standard + * + * Copyright (c) 2010-2014 Nikolai Kondrashov + * Copyright (c) 2013 Martin Rusko + */ + +/* + * 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 <linux/device.h> +#include <linux/hid.h> +#include <linux/module.h> +#include <linux/timer.h> +#include "usbhid/usbhid.h" +#include "hid-uclogic-params.h" + +#include "hid-ids.h" + +/* Driver data */ +struct uclogic_drvdata { + /* Interface parameters */ + struct uclogic_params params; + /* Pointer to the replacement report descriptor. NULL if none. */ + __u8 *desc_ptr; + /* + * Size of the replacement report descriptor. + * Only valid if desc_ptr is not NULL + */ + unsigned int desc_size; + /* Pen input device */ + struct input_dev *pen_input; + /* In-range timer */ + struct timer_list inrange_timer; + /* Last rotary encoder state, or U8_MAX for none */ + u8 re_state; +}; + +/** + * uclogic_inrange_timeout - handle pen in-range state timeout. + * Emulate input events normally generated when pen goes out of range for + * tablets which don't report that. + * + * @t: The timer the timeout handler is attached to, stored in a struct + * uclogic_drvdata. + */ +static void uclogic_inrange_timeout(struct timer_list *t) +{ + struct uclogic_drvdata *drvdata = from_timer(drvdata, t, + inrange_timer); + struct input_dev *input = drvdata->pen_input; + + if (input == NULL) + return; + input_report_abs(input, ABS_PRESSURE, 0); + /* If BTN_TOUCH state is changing */ + if (test_bit(BTN_TOUCH, input->key)) { + input_event(input, EV_MSC, MSC_SCAN, + /* Digitizer Tip Switch usage */ + 0xd0042); + input_report_key(input, BTN_TOUCH, 0); + } + input_report_key(input, BTN_TOOL_PEN, 0); + input_sync(input); +} + +static __u8 *uclogic_report_fixup(struct hid_device *hdev, __u8 *rdesc, + unsigned int *rsize) +{ + struct uclogic_drvdata *drvdata = hid_get_drvdata(hdev); + + if (drvdata->desc_ptr != NULL) { + rdesc = drvdata->desc_ptr; + *rsize = drvdata->desc_size; + } + return rdesc; +} + +static int uclogic_input_mapping(struct hid_device *hdev, + struct hid_input *hi, + struct hid_field *field, + struct hid_usage *usage, + unsigned long **bit, + int *max) +{ + struct uclogic_drvdata *drvdata = hid_get_drvdata(hdev); + struct uclogic_params *params = &drvdata->params; + + /* discard the unused pen interface */ + if (params->pen_unused && (field->application == HID_DG_PEN)) + return -1; + + /* let hid-core decide what to do */ + return 0; +} + +static int uclogic_input_configured(struct hid_device *hdev, + struct hid_input *hi) +{ + struct uclogic_drvdata *drvdata = hid_get_drvdata(hdev); + struct uclogic_params *params = &drvdata->params; + char *name; + const char *suffix = NULL; + struct hid_field *field; + size_t len; + + /* no report associated (HID_QUIRK_MULTI_INPUT not set) */ + if (!hi->report) + return 0; + + /* + * If this is the input corresponding to the pen report + * in need of tweaking. + */ + if (hi->report->id == params->pen.id) { + /* Remember the input device so we can simulate events */ + drvdata->pen_input = hi->input; + } + + field = hi->report->field[0]; + + switch (field->application) { + case HID_GD_KEYBOARD: + suffix = "Keyboard"; + break; + case HID_GD_MOUSE: + suffix = "Mouse"; + break; + case HID_GD_KEYPAD: + suffix = "Pad"; + break; + case HID_DG_PEN: + suffix = "Pen"; + break; + case HID_CP_CONSUMER_CONTROL: + suffix = "Consumer Control"; + break; + case HID_GD_SYSTEM_CONTROL: + suffix = "System Control"; + break; + } + + if (suffix) { + len = strlen(hdev->name) + 2 + strlen(suffix); + name = devm_kzalloc(&hi->input->dev, len, GFP_KERNEL); + if (name) { + snprintf(name, len, "%s %s", hdev->name, suffix); + hi->input->name = name; + } + } + + return 0; +} + +static int uclogic_probe(struct hid_device *hdev, + const struct hid_device_id *id) +{ + int rc; + struct uclogic_drvdata *drvdata = NULL; + bool params_initialized = false; + + /* + * libinput requires the pad interface to be on a different node + * than the pen, so use QUIRK_MULTI_INPUT for all tablets. + */ + hdev->quirks |= HID_QUIRK_MULTI_INPUT; + + /* Allocate and assign driver data */ + drvdata = devm_kzalloc(&hdev->dev, sizeof(*drvdata), GFP_KERNEL); + if (drvdata == NULL) { + rc = -ENOMEM; + goto failure; + } + timer_setup(&drvdata->inrange_timer, uclogic_inrange_timeout, 0); + drvdata->re_state = U8_MAX; + hid_set_drvdata(hdev, drvdata); + + /* Initialize the device and retrieve interface parameters */ + rc = uclogic_params_init(&drvdata->params, hdev); + if (rc != 0) { + hid_err(hdev, "failed probing parameters: %d\n", rc); + goto failure; + } + params_initialized = true; + hid_dbg(hdev, "parameters:\n" UCLOGIC_PARAMS_FMT_STR, + UCLOGIC_PARAMS_FMT_ARGS(&drvdata->params)); + if (drvdata->params.invalid) { + hid_info(hdev, "interface is invalid, ignoring\n"); + rc = -ENODEV; + goto failure; + } + + /* Generate replacement report descriptor */ + rc = uclogic_params_get_desc(&drvdata->params, + &drvdata->desc_ptr, + &drvdata->desc_size); + if (rc) { + hid_err(hdev, + "failed generating replacement report descriptor: %d\n", + rc); + goto failure; + } + + rc = hid_parse(hdev); + if (rc) { + hid_err(hdev, "parse failed\n"); + goto failure; + } + + rc = hid_hw_start(hdev, HID_CONNECT_DEFAULT); + if (rc) { + hid_err(hdev, "hw start failed\n"); + goto failure; + } + + return 0; +failure: + /* Assume "remove" might not be called if "probe" failed */ + if (params_initialized) + uclogic_params_cleanup(&drvdata->params); + return rc; +} + +#ifdef CONFIG_PM +static int uclogic_resume(struct hid_device *hdev) +{ + int rc; + struct uclogic_params params; + + /* Re-initialize the device, but discard parameters */ + rc = uclogic_params_init(¶ms, hdev); + if (rc != 0) + hid_err(hdev, "failed to re-initialize the device\n"); + else + uclogic_params_cleanup(¶ms); + + return rc; +} +#endif + +static int uclogic_raw_event(struct hid_device *hdev, + struct hid_report *report, + u8 *data, int size) +{ + struct uclogic_drvdata *drvdata = hid_get_drvdata(hdev); + struct uclogic_params *params = &drvdata->params; + + /* Tweak pen reports, if necessary */ + if (!params->pen_unused && + (report->type == HID_INPUT_REPORT) && + (report->id == params->pen.id) && + (size >= 2)) { + /* If it's the "virtual" frame controls report */ + if (params->frame.id != 0 && + data[1] & params->pen_frame_flag) { + /* Change to virtual frame controls report ID */ + data[0] = params->frame.id; + return 0; + } + /* If in-range reports are inverted */ + if (params->pen.inrange == + UCLOGIC_PARAMS_PEN_INRANGE_INVERTED) { + /* Invert the in-range bit */ + data[1] ^= 0x40; + } + /* + * If report contains fragmented high-resolution pen + * coordinates + */ + if (size >= 10 && params->pen.fragmented_hires) { + u8 pressure_low_byte; + u8 pressure_high_byte; + + /* Lift pressure bytes */ + pressure_low_byte = data[6]; + pressure_high_byte = data[7]; + /* + * Move Y coord to make space for high-order X + * coord byte + */ + data[6] = data[5]; + data[5] = data[4]; + /* Move high-order X coord byte */ + data[4] = data[8]; + /* Move high-order Y coord byte */ + data[7] = data[9]; + /* Place pressure bytes */ + data[8] = pressure_low_byte; + data[9] = pressure_high_byte; + } + /* If we need to emulate in-range detection */ + if (params->pen.inrange == UCLOGIC_PARAMS_PEN_INRANGE_NONE) { + /* Set in-range bit */ + data[1] |= 0x40; + /* (Re-)start in-range timeout */ + mod_timer(&drvdata->inrange_timer, + jiffies + msecs_to_jiffies(100)); + } + } + + /* Tweak frame control reports, if necessary */ + if ((report->type == HID_INPUT_REPORT) && + (report->id == params->frame.id)) { + /* If need to, and can, set pad device ID for Wacom drivers */ + if (params->frame.dev_id_byte > 0 && + params->frame.dev_id_byte < size) { + data[params->frame.dev_id_byte] = 0xf; + } + /* If need to, and can, read rotary encoder state change */ + if (params->frame.re_lsb > 0 && + params->frame.re_lsb / 8 < size) { + unsigned int byte = params->frame.re_lsb / 8; + unsigned int bit = params->frame.re_lsb % 8; + + u8 change; + u8 prev_state = drvdata->re_state; + /* Read Gray-coded state */ + u8 state = (data[byte] >> bit) & 0x3; + /* Encode state change into 2-bit signed integer */ + if ((prev_state == 1 && state == 0) || + (prev_state == 2 && state == 3)) { + change = 1; + } else if ((prev_state == 2 && state == 0) || + (prev_state == 1 && state == 3)) { + change = 3; + } else { + change = 0; + } + /* Write change */ + data[byte] = (data[byte] & ~((u8)3 << bit)) | + (change << bit); + /* Remember state */ + drvdata->re_state = state; + } + } + + return 0; +} + +static void uclogic_remove(struct hid_device *hdev) +{ + struct uclogic_drvdata *drvdata = hid_get_drvdata(hdev); + + del_timer_sync(&drvdata->inrange_timer); + hid_hw_stop(hdev); + kfree(drvdata->desc_ptr); + uclogic_params_cleanup(&drvdata->params); +} + +static const struct hid_device_id uclogic_devices[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, + USB_DEVICE_ID_UCLOGIC_TABLET_PF1209) }, + { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, + USB_DEVICE_ID_UCLOGIC_TABLET_WP4030U) }, + { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, + USB_DEVICE_ID_UCLOGIC_TABLET_WP5540U) }, + { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, + USB_DEVICE_ID_UCLOGIC_TABLET_WP8060U) }, + { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, + USB_DEVICE_ID_UCLOGIC_TABLET_WP1062) }, + { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, + USB_DEVICE_ID_UCLOGIC_WIRELESS_TABLET_TWHL850) }, + { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, + USB_DEVICE_ID_UCLOGIC_TABLET_TWHA60) }, + { HID_USB_DEVICE(USB_VENDOR_ID_HUION, + USB_DEVICE_ID_HUION_TABLET) }, + { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, + USB_DEVICE_ID_HUION_TABLET) }, + { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, + USB_DEVICE_ID_YIYNOVA_TABLET) }, + { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, + USB_DEVICE_ID_UCLOGIC_UGEE_TABLET_81) }, + { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, + USB_DEVICE_ID_UCLOGIC_UGEE_TABLET_45) }, + { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, + USB_DEVICE_ID_UCLOGIC_UGEE_TABLET_47) }, + { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, + USB_DEVICE_ID_UCLOGIC_DRAWIMAGE_G3) }, + { HID_USB_DEVICE(USB_VENDOR_ID_UGTIZER, + USB_DEVICE_ID_UGTIZER_TABLET_GP0610) }, + { HID_USB_DEVICE(USB_VENDOR_ID_UGEE, + USB_DEVICE_ID_UGEE_TABLET_G5) }, + { HID_USB_DEVICE(USB_VENDOR_ID_UGEE, + USB_DEVICE_ID_UGEE_TABLET_EX07S) }, + { HID_USB_DEVICE(USB_VENDOR_ID_UGEE, + USB_DEVICE_ID_UGEE_XPPEN_TABLET_G540) }, + { HID_USB_DEVICE(USB_VENDOR_ID_UGEE, + USB_DEVICE_ID_UGEE_XPPEN_TABLET_G640) }, + { HID_USB_DEVICE(USB_VENDOR_ID_UGEE, + USB_DEVICE_ID_UGEE_XPPEN_TABLET_DECO01) }, + { } +}; +MODULE_DEVICE_TABLE(hid, uclogic_devices); + +static struct hid_driver uclogic_driver = { + .name = "uclogic", + .id_table = uclogic_devices, + .probe = uclogic_probe, + .remove = uclogic_remove, + .report_fixup = uclogic_report_fixup, + .raw_event = uclogic_raw_event, + .input_mapping = uclogic_input_mapping, + .input_configured = uclogic_input_configured, +#ifdef CONFIG_PM + .resume = uclogic_resume, + .reset_resume = uclogic_resume, +#endif +}; +module_hid_driver(uclogic_driver); + +MODULE_AUTHOR("Martin Rusko"); +MODULE_AUTHOR("Nikolai Kondrashov"); +MODULE_LICENSE("GPL"); diff --git a/drivers/hid/hid-uclogic-params.c b/drivers/hid/hid-uclogic-params.c new file mode 100644 index 000000000000..7710d9f957da --- /dev/null +++ b/drivers/hid/hid-uclogic-params.c @@ -0,0 +1,1122 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * HID driver for UC-Logic devices not fully compliant with HID standard + * - tablet initialization and parameter retrieval + * + * Copyright (c) 2018 Nikolai Kondrashov + */ + +/* + * 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 "hid-uclogic-params.h" +#include "hid-uclogic-rdesc.h" +#include "usbhid/usbhid.h" +#include "hid-ids.h" +#include <linux/ctype.h> +#include <asm/unaligned.h> + +/** + * Convert a pen in-range reporting type to a string. + * + * @inrange: The in-range reporting type to convert. + * + * Returns: + * The string representing the type, or NULL if the type is unknown. + */ +const char *uclogic_params_pen_inrange_to_str( + enum uclogic_params_pen_inrange inrange) +{ + switch (inrange) { + case UCLOGIC_PARAMS_PEN_INRANGE_NORMAL: + return "normal"; + case UCLOGIC_PARAMS_PEN_INRANGE_INVERTED: + return "inverted"; + case UCLOGIC_PARAMS_PEN_INRANGE_NONE: + return "none"; + default: + return NULL; + } +} + +/** + * uclogic_params_get_str_desc - retrieve a string descriptor from a HID + * device interface, putting it into a kmalloc-allocated buffer as is, without + * character encoding conversion. + * + * @pbuf: Location for the kmalloc-allocated buffer pointer containing + * the retrieved descriptor. Not modified in case of error. + * Can be NULL to have retrieved descriptor discarded. + * @hdev: The HID device of the tablet interface to retrieve the string + * descriptor from. Cannot be NULL. + * @idx: Index of the string descriptor to request from the device. + * @len: Length of the buffer to allocate and the data to retrieve. + * + * Returns: + * number of bytes retrieved (<= len), + * -EPIPE, if the descriptor was not found, or + * another negative errno code in case of other error. + */ +static int uclogic_params_get_str_desc(__u8 **pbuf, struct hid_device *hdev, + __u8 idx, size_t len) +{ + int rc; + struct usb_device *udev = hid_to_usb_dev(hdev); + __u8 *buf = NULL; + + /* Check arguments */ + if (hdev == NULL) { + rc = -EINVAL; + goto cleanup; + } + + buf = kmalloc(len, GFP_KERNEL); + if (buf == NULL) { + rc = -ENOMEM; + goto cleanup; + } + + rc = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), + USB_REQ_GET_DESCRIPTOR, USB_DIR_IN, + (USB_DT_STRING << 8) + idx, + 0x0409, buf, len, + USB_CTRL_GET_TIMEOUT); + if (rc == -EPIPE) { + hid_dbg(hdev, "string descriptor #%hhu not found\n", idx); + goto cleanup; + } else if (rc < 0) { + hid_err(hdev, + "failed retrieving string descriptor #%hhu: %d\n", + idx, rc); + goto cleanup; + } + + if (pbuf != NULL) { + *pbuf = buf; + buf = NULL; + } + +cleanup: + kfree(buf); + return rc; +} + +/** + * uclogic_params_pen_cleanup - free resources used by struct + * uclogic_params_pen (tablet interface's pen input parameters). + * Can be called repeatedly. + * + * @pen: Pen input parameters to cleanup. Cannot be NULL. + */ +static void uclogic_params_pen_cleanup(struct uclogic_params_pen *pen) +{ + kfree(pen->desc_ptr); + memset(pen, 0, sizeof(*pen)); +} + +/** + * uclogic_params_pen_init_v1() - initialize tablet interface pen + * input and retrieve its parameters from the device, using v1 protocol. + * + * @pen: Pointer to the pen parameters to initialize (to be + * cleaned up with uclogic_params_pen_cleanup()). Not modified in + * case of error, or if parameters are not found. Cannot be NULL. + * @pfound: Location for a flag which is set to true if the parameters + * were found, and to false if not (e.g. device was + * incompatible). Not modified in case of error. Cannot be NULL. + * @hdev: The HID device of the tablet interface to initialize and get + * parameters from. Cannot be NULL. + * + * Returns: + * Zero, if successful. A negative errno code on error. + */ +static int uclogic_params_pen_init_v1(struct uclogic_params_pen *pen, + bool *pfound, + struct hid_device *hdev) +{ + int rc; + bool found = false; + /* Buffer for (part of) the string descriptor */ + __u8 *buf = NULL; + /* Minimum descriptor length required, maximum seen so far is 18 */ + const int len = 12; + s32 resolution; + /* Pen report descriptor template parameters */ + s32 desc_params[UCLOGIC_RDESC_PEN_PH_ID_NUM]; + __u8 *desc_ptr = NULL; + + /* Check arguments */ + if (pen == NULL || pfound == NULL || hdev == NULL) { + rc = -EINVAL; + goto cleanup; + } + + /* + * Read string descriptor containing pen input parameters. + * The specific string descriptor and data were discovered by sniffing + * the Windows driver traffic. + * NOTE: This enables fully-functional tablet mode. + */ + rc = uclogic_params_get_str_desc(&buf, hdev, 100, len); + if (rc == -EPIPE) { + hid_dbg(hdev, + "string descriptor with pen parameters not found, assuming not compatible\n"); + goto finish; + } else if (rc < 0) { + hid_err(hdev, "failed retrieving pen parameters: %d\n", rc); + goto cleanup; + } else if (rc != len) { + hid_dbg(hdev, + "string descriptor with pen parameters has invalid length (got %d, expected %d), assuming not compatible\n", + rc, len); + goto finish; + } + + /* + * Fill report descriptor parameters from the string descriptor + */ + desc_params[UCLOGIC_RDESC_PEN_PH_ID_X_LM] = + get_unaligned_le16(buf + 2); + desc_params[UCLOGIC_RDESC_PEN_PH_ID_Y_LM] = + get_unaligned_le16(buf + 4); + desc_params[UCLOGIC_RDESC_PEN_PH_ID_PRESSURE_LM] = + get_unaligned_le16(buf + 8); + resolution = get_unaligned_le16(buf + 10); + if (resolution == 0) { + desc_params[UCLOGIC_RDESC_PEN_PH_ID_X_PM] = 0; + desc_params[UCLOGIC_RDESC_PEN_PH_ID_Y_PM] = 0; + } else { + desc_params[UCLOGIC_RDESC_PEN_PH_ID_X_PM] = + desc_params[UCLOGIC_RDESC_PEN_PH_ID_X_LM] * 1000 / + resolution; + desc_params[UCLOGIC_RDESC_PEN_PH_ID_Y_PM] = + desc_params[UCLOGIC_RDESC_PEN_PH_ID_Y_LM] * 1000 / + resolution; + } + kfree(buf); + buf = NULL; + + /* + * Generate pen report descriptor + */ + desc_ptr = uclogic_rdesc_template_apply( + uclogic_rdesc_pen_v1_template_arr, + uclogic_rdesc_pen_v1_template_size, + desc_params, ARRAY_SIZE(desc_params)); + if (desc_ptr == NULL) { + rc = -ENOMEM; + goto cleanup; + } + + /* + * Fill-in the parameters + */ + memset(pen, 0, sizeof(*pen)); + pen->desc_ptr = desc_ptr; + desc_ptr = NULL; + pen->desc_size = uclogic_rdesc_pen_v1_template_size; + pen->id = UCLOGIC_RDESC_PEN_V1_ID; + pen->inrange = UCLOGIC_PARAMS_PEN_INRANGE_INVERTED; + found = true; +finish: + *pfound = found; + rc = 0; +cleanup: + kfree(desc_ptr); + kfree(buf); + return rc; +} + +/** + * uclogic_params_get_le24() - get a 24-bit little-endian number from a + * buffer. + * + * @p: The pointer to the number buffer. + * + * Returns: + * The retrieved number + */ +static s32 uclogic_params_get_le24(const void *p) +{ + const __u8 *b = p; + return b[0] | (b[1] << 8UL) | (b[2] << 16UL); +} + +/** + * uclogic_params_pen_init_v2() - initialize tablet interface pen + * input and retrieve its parameters from the device, using v2 protocol. + * + * @pen: Pointer to the pen parameters to initialize (to be + * cleaned up with uclogic_params_pen_cleanup()). Not modified in + * case of error, or if parameters are not found. Cannot be NULL. + * @pfound: Location for a flag which is set to true if the parameters + * were found, and to false if not (e.g. device was + * incompatible). Not modified in case of error. Cannot be NULL. + * @hdev: The HID device of the tablet interface to initialize and get + * parameters from. Cannot be NULL. + * + * Returns: + * Zero, if successful. A negative errno code on error. + */ +static int uclogic_params_pen_init_v2(struct uclogic_params_pen *pen, + bool *pfound, + struct hid_device *hdev) +{ + int rc; + bool found = false; + /* Buffer for (part of) the string descriptor */ + __u8 *buf = NULL; + /* Descriptor length required */ + const int len = 18; + s32 resolution; + /* Pen report descriptor template parameters */ + s32 desc_params[UCLOGIC_RDESC_PEN_PH_ID_NUM]; + __u8 *desc_ptr = NULL; + + /* Check arguments */ + if (pen == NULL || pfound == NULL || hdev == NULL) { + rc = -EINVAL; + goto cleanup; + } + + /* + * Read string descriptor containing pen input parameters. + * The specific string descriptor and data were discovered by sniffing + * the Windows driver traffic. + * NOTE: This enables fully-functional tablet mode. + */ + rc = uclogic_params_get_str_desc(&buf, hdev, 200, len); + if (rc == -EPIPE) { + hid_dbg(hdev, + "string descriptor with pen parameters not found, assuming not compatible\n"); + goto finish; + } else if (rc < 0) { + hid_err(hdev, "failed retrieving pen parameters: %d\n", rc); + goto cleanup; + } else if (rc != len) { + hid_dbg(hdev, + "string descriptor with pen parameters has invalid length (got %d, expected %d), assuming not compatible\n", + rc, len); + goto finish; + } else { + size_t i; + /* + * Check it's not just a catch-all UTF-16LE-encoded ASCII + * string (such as the model name) some tablets put into all + * unknown string descriptors. + */ + for (i = 2; + i < len && + (buf[i] >= 0x20 && buf[i] < 0x7f && buf[i + 1] == 0); + i += 2); + if (i >= len) { + hid_dbg(hdev, + "string descriptor with pen parameters seems to contain only text, assuming not compatible\n"); + goto finish; + } + } + + /* + * Fill report descriptor parameters from the string descriptor + */ + desc_params[UCLOGIC_RDESC_PEN_PH_ID_X_LM] = + uclogic_params_get_le24(buf + 2); + desc_params[UCLOGIC_RDESC_PEN_PH_ID_Y_LM] = + uclogic_params_get_le24(buf + 5); + desc_params[UCLOGIC_RDESC_PEN_PH_ID_PRESSURE_LM] = + get_unaligned_le16(buf + 8); + resolution = get_unaligned_le16(buf + 10); + if (resolution == 0) { + desc_params[UCLOGIC_RDESC_PEN_PH_ID_X_PM] = 0; + desc_params[UCLOGIC_RDESC_PEN_PH_ID_Y_PM] = 0; + } else { + desc_params[UCLOGIC_RDESC_PEN_PH_ID_X_PM] = + desc_params[UCLOGIC_RDESC_PEN_PH_ID_X_LM] * 1000 / + resolution; + desc_params[UCLOGIC_RDESC_PEN_PH_ID_Y_PM] = + desc_params[UCLOGIC_RDESC_PEN_PH_ID_Y_LM] * 1000 / + resolution; + } + kfree(buf); + buf = NULL; + + /* + * Generate pen report descriptor + */ + desc_ptr = uclogic_rdesc_template_apply( + uclogic_rdesc_pen_v2_template_arr, + uclogic_rdesc_pen_v2_template_size, + desc_params, ARRAY_SIZE(desc_params)); + if (desc_ptr == NULL) { + rc = -ENOMEM; + goto cleanup; + } + + /* + * Fill-in the parameters + */ + memset(pen, 0, sizeof(*pen)); + pen->desc_ptr = desc_ptr; + desc_ptr = NULL; + pen->desc_size = uclogic_rdesc_pen_v2_template_size; + pen->id = UCLOGIC_RDESC_PEN_V2_ID; + pen->inrange = UCLOGIC_PARAMS_PEN_INRANGE_NONE; + pen->fragmented_hires = true; + found = true; +finish: + *pfound = found; + rc = 0; +cleanup: + kfree(desc_ptr); + kfree(buf); + return rc; +} + +/** + * uclogic_params_frame_cleanup - free resources used by struct + * uclogic_params_frame (tablet interface's frame controls input parameters). + * Can be called repeatedly. + * + * @frame: Frame controls input parameters to cleanup. Cannot be NULL. + */ +static void uclogic_params_frame_cleanup(struct uclogic_params_frame *frame) +{ + kfree(frame->desc_ptr); + memset(frame, 0, sizeof(*frame)); +} + +/** + * uclogic_params_frame_init_with_desc() - initialize tablet's frame control + * parameters with a static report descriptor. + * + * @frame: Pointer to the frame parameters to initialize (to be cleaned + * up with uclogic_params_frame_cleanup()). Not modified in case + * of error. Cannot be NULL. + * @desc_ptr: Report descriptor pointer. Can be NULL, if desc_size is zero. + * @desc_size: Report descriptor size. + * @id: Report ID used for frame reports, if they should be tweaked, + * zero if not. + * + * Returns: + * Zero, if successful. A negative errno code on error. + */ +static int uclogic_params_frame_init_with_desc( + struct uclogic_params_frame *frame, + const __u8 *desc_ptr, + size_t desc_size, + unsigned int id) +{ + __u8 *copy_desc_ptr; + + if (frame == NULL || (desc_ptr == NULL && desc_size != 0)) + return -EINVAL; + + copy_desc_ptr = kmemdup(desc_ptr, desc_size, GFP_KERNEL); + if (copy_desc_ptr == NULL) + return -ENOMEM; + + memset(frame, 0, sizeof(*frame)); + frame->desc_ptr = copy_desc_ptr; + frame->desc_size = desc_size; + frame->id = id; + return 0; +} + +/** + * uclogic_params_frame_init_v1_buttonpad() - initialize abstract buttonpad + * on a v1 tablet interface. + * + * @frame: Pointer to the frame parameters to initialize (to be cleaned + * up with uclogic_params_frame_cleanup()). Not modified in case + * of error, or if parameters are not found. Cannot be NULL. + * @pfound: Location for a flag which is set to true if the parameters + * were found, and to false if not (e.g. device was + * incompatible). Not modified in case of error. Cannot be NULL. + * @hdev: The HID device of the tablet interface to initialize and get + * parameters from. Cannot be NULL. + * + * Returns: + * Zero, if successful. A negative errno code on error. + */ +static int uclogic_params_frame_init_v1_buttonpad( + struct uclogic_params_frame *frame, + bool *pfound, + struct hid_device *hdev) +{ + int rc; + bool found = false; + struct usb_device *usb_dev = hid_to_usb_dev(hdev); + char *str_buf = NULL; + const size_t str_len = 16; + + /* Check arguments */ + if (frame == NULL || pfound == NULL || hdev == NULL) { + rc = -EINVAL; + goto cleanup; + } + + /* + * Enable generic button mode + */ + str_buf = kzalloc(str_len, GFP_KERNEL); + if (str_buf == NULL) { + rc = -ENOMEM; + goto cleanup; + } + + rc = usb_string(usb_dev, 123, str_buf, str_len); + if (rc == -EPIPE) { + hid_dbg(hdev, + "generic button -enabling string descriptor not found\n"); + } else if (rc < 0) { + goto cleanup; + } else if (strncmp(str_buf, "HK On", rc) != 0) { + hid_dbg(hdev, + "invalid response to enabling generic buttons: \"%s\"\n", + str_buf); + } else { + hid_dbg(hdev, "generic buttons enabled\n"); + rc = uclogic_params_frame_init_with_desc( + frame, + uclogic_rdesc_buttonpad_v1_arr, + uclogic_rdesc_buttonpad_v1_size, + UCLOGIC_RDESC_BUTTONPAD_V1_ID); + if (rc != 0) + goto cleanup; + found = true; + } + + *pfound = found; + rc = 0; +cleanup: + kfree(str_buf); + return rc; +} + +/** + * uclogic_params_cleanup - free resources used by struct uclogic_params + * (tablet interface's parameters). + * Can be called repeatedly. + * + * @params: Input parameters to cleanup. Cannot be NULL. + */ +void uclogic_params_cleanup(struct uclogic_params *params) +{ + if (!params->invalid) { + kfree(params->desc_ptr); + if (!params->pen_unused) + uclogic_params_pen_cleanup(¶ms->pen); + uclogic_params_frame_cleanup(¶ms->frame); + memset(params, 0, sizeof(*params)); + } +} + +/** + * Get a replacement report descriptor for a tablet's interface. + * + * @params: The parameters of a tablet interface to get report + * descriptor for. Cannot be NULL. + * @pdesc: Location for the resulting, kmalloc-allocated report + * descriptor pointer, or for NULL, if there's no replacement + * report descriptor. Not modified in case of error. Cannot be + * NULL. + * @psize: Location for the resulting report descriptor size, not set if + * there's no replacement report descriptor. Not modified in case + * of error. Cannot be NULL. + * + * Returns: + * Zero, if successful. + * -EINVAL, if invalid arguments are supplied. + * -ENOMEM, if failed to allocate memory. + */ +int uclogic_params_get_desc(const struct uclogic_params *params, + __u8 **pdesc, + unsigned int *psize) +{ + bool common_present; + bool pen_present; + bool frame_present; + unsigned int size; + __u8 *desc = NULL; + + /* Check arguments */ + if (params == NULL || pdesc == NULL || psize == NULL) + return -EINVAL; + + size = 0; + + common_present = (params->desc_ptr != NULL); + pen_present = (!params->pen_unused && params->pen.desc_ptr != NULL); + frame_present = (params->frame.desc_ptr != NULL); + + if (common_present) + size += params->desc_size; + if (pen_present) + size += params->pen.desc_size; + if (frame_present) + size += params->frame.desc_size; + + if (common_present || pen_present || frame_present) { + __u8 *p; + + desc = kmalloc(size, GFP_KERNEL); + if (desc == NULL) + return -ENOMEM; + p = desc; + + if (common_present) { + memcpy(p, params->desc_ptr, + params->desc_size); + p += params->desc_size; + } + if (pen_present) { + memcpy(p, params->pen.desc_ptr, + params->pen.desc_size); + p += params->pen.desc_size; + } + if (frame_present) { + memcpy(p, params->frame.desc_ptr, + params->frame.desc_size); + p += params->frame.desc_size; + } + + WARN_ON(p != desc + size); + + *psize = size; + } + + *pdesc = desc; + return 0; +} + +/** + * uclogic_params_init_invalid() - initialize tablet interface parameters, + * specifying the interface is invalid. + * + * @params: Parameters to initialize (to be cleaned with + * uclogic_params_cleanup()). Cannot be NULL. + */ +static void uclogic_params_init_invalid(struct uclogic_params *params) +{ + params->invalid = true; +} + +/** + * uclogic_params_init_with_opt_desc() - initialize tablet interface + * parameters with an optional replacement report descriptor. Only modify + * report descriptor, if the original report descriptor matches the expected + * size. + * + * @params: Parameters to initialize (to be cleaned with + * uclogic_params_cleanup()). Not modified in case of + * error. Cannot be NULL. + * @hdev: The HID device of the tablet interface create the + * parameters for. Cannot be NULL. + * @orig_desc_size: Expected size of the original report descriptor to + * be replaced. + * @desc_ptr: Pointer to the replacement report descriptor. + * Can be NULL, if desc_size is zero. + * @desc_size: Size of the replacement report descriptor. + * + * Returns: + * Zero, if successful. -EINVAL if an invalid argument was passed. + * -ENOMEM, if failed to allocate memory. + */ +static int uclogic_params_init_with_opt_desc(struct uclogic_params *params, + struct hid_device *hdev, + unsigned int orig_desc_size, + __u8 *desc_ptr, + unsigned int desc_size) +{ + __u8 *desc_copy_ptr = NULL; + unsigned int desc_copy_size; + int rc; + + /* Check arguments */ + if (params == NULL || hdev == NULL || + (desc_ptr == NULL && desc_size != 0)) { + rc = -EINVAL; + goto cleanup; + } + + /* Replace report descriptor, if it matches */ + if (hdev->dev_rsize == orig_desc_size) { + hid_dbg(hdev, + "device report descriptor matches the expected size, replacing\n"); + desc_copy_ptr = kmemdup(desc_ptr, desc_size, GFP_KERNEL); + if (desc_copy_ptr == NULL) { + rc = -ENOMEM; + goto cleanup; + } + desc_copy_size = desc_size; + } else { + hid_dbg(hdev, + "device report descriptor doesn't match the expected size (%u != %u), preserving\n", + hdev->dev_rsize, orig_desc_size); + desc_copy_ptr = NULL; + desc_copy_size = 0; + } + + /* Output parameters */ + memset(params, 0, sizeof(*params)); + params->desc_ptr = desc_copy_ptr; + desc_copy_ptr = NULL; + params->desc_size = desc_copy_size; + + rc = 0; +cleanup: + kfree(desc_copy_ptr); + return rc; +} + +/** + * uclogic_params_init_with_pen_unused() - initialize tablet interface + * parameters preserving original reports and generic HID processing, but + * disabling pen usage. + * + * @params: Parameters to initialize (to be cleaned with + * uclogic_params_cleanup()). Not modified in case of + * error. Cannot be NULL. + */ +static void uclogic_params_init_with_pen_unused(struct uclogic_params *params) +{ + memset(params, 0, sizeof(*params)); + params->pen_unused = true; +} + +/** + * uclogic_params_init() - initialize a Huion tablet interface and discover + * its parameters. + * + * @params: Parameters to fill in (to be cleaned with + * uclogic_params_cleanup()). Not modified in case of error. + * Cannot be NULL. + * @hdev: The HID device of the tablet interface to initialize and get + * parameters from. Cannot be NULL. + * + * Returns: + * Zero, if successful. A negative errno code on error. + */ +static int uclogic_params_huion_init(struct uclogic_params *params, + struct hid_device *hdev) +{ + int rc; + struct usb_device *udev = hid_to_usb_dev(hdev); + struct usb_interface *iface = to_usb_interface(hdev->dev.parent); + __u8 bInterfaceNumber = iface->cur_altsetting->desc.bInterfaceNumber; + bool found; + /* The resulting parameters (noop) */ + struct uclogic_params p = {0, }; + static const char transition_ver[] = "HUION_T153_160607"; + char *ver_ptr = NULL; + const size_t ver_len = sizeof(transition_ver) + 1; + + /* Check arguments */ + if (params == NULL || hdev == NULL) { + rc = -EINVAL; + goto cleanup; + } + + /* If it's not a pen interface */ + if (bInterfaceNumber != 0) { + /* TODO: Consider marking the interface invalid */ + uclogic_params_init_with_pen_unused(&p); + goto output; + } + + /* Try to get firmware version */ + ver_ptr = kzalloc(ver_len, GFP_KERNEL); + if (ver_ptr == NULL) { + rc = -ENOMEM; + goto cleanup; + } + rc = usb_string(udev, 201, ver_ptr, ver_len); + if (ver_ptr == NULL) { + rc = -ENOMEM; + goto cleanup; + } + if (rc == -EPIPE) { + *ver_ptr = '\0'; + } else if (rc < 0) { + hid_err(hdev, + "failed retrieving Huion firmware version: %d\n", rc); + goto cleanup; + } + + /* If this is a transition firmware */ + if (strcmp(ver_ptr, transition_ver) == 0) { + hid_dbg(hdev, + "transition firmware detected, not probing pen v2 parameters\n"); + } else { + /* Try to probe v2 pen parameters */ + rc = uclogic_params_pen_init_v2(&p.pen, &found, hdev); + if (rc != 0) { + hid_err(hdev, + "failed probing pen v2 parameters: %d\n", rc); + goto cleanup; + } else if (found) { + hid_dbg(hdev, "pen v2 parameters found\n"); + /* Create v2 buttonpad parameters */ + rc = uclogic_params_frame_init_with_desc( + &p.frame, + uclogic_rdesc_buttonpad_v2_arr, + uclogic_rdesc_buttonpad_v2_size, + UCLOGIC_RDESC_BUTTONPAD_V2_ID); + if (rc != 0) { + hid_err(hdev, + "failed creating v2 buttonpad parameters: %d\n", + rc); + goto cleanup; + } + /* Set bitmask marking frame reports in pen reports */ + p.pen_frame_flag = 0x20; + goto output; + } + hid_dbg(hdev, "pen v2 parameters not found\n"); + } + + /* Try to probe v1 pen parameters */ + rc = uclogic_params_pen_init_v1(&p.pen, &found, hdev); + if (rc != 0) { + hid_err(hdev, + "failed probing pen v1 parameters: %d\n", rc); + goto cleanup; + } else if (found) { + hid_dbg(hdev, "pen v1 parameters found\n"); + /* Try to probe v1 buttonpad */ + rc = uclogic_params_frame_init_v1_buttonpad( + &p.frame, + &found, hdev); + if (rc != 0) { + hid_err(hdev, "v1 buttonpad probing failed: %d\n", rc); + goto cleanup; + } + hid_dbg(hdev, "buttonpad v1 parameters%s found\n", + (found ? "" : " not")); + if (found) { + /* Set bitmask marking frame reports */ + p.pen_frame_flag = 0x20; + } + goto output; + } + hid_dbg(hdev, "pen v1 parameters not found\n"); + + uclogic_params_init_invalid(&p); + +output: + /* Output parameters */ + memcpy(params, &p, sizeof(*params)); + memset(&p, 0, sizeof(p)); + rc = 0; +cleanup: + kfree(ver_ptr); + uclogic_params_cleanup(&p); + return rc; +} + +/** + * uclogic_params_init() - initialize a tablet interface and discover its + * parameters. + * + * @params: Parameters to fill in (to be cleaned with + * uclogic_params_cleanup()). Not modified in case of error. + * Cannot be NULL. + * @hdev: The HID device of the tablet interface to initialize and get + * parameters from. Cannot be NULL. Must be using the USB low-level + * driver, i.e. be an actual USB tablet. + * + * Returns: + * Zero, if successful. A negative errno code on error. + */ +int uclogic_params_init(struct uclogic_params *params, + struct hid_device *hdev) +{ + int rc; + struct usb_device *udev = hid_to_usb_dev(hdev); + __u8 bNumInterfaces = udev->config->desc.bNumInterfaces; + struct usb_interface *iface = to_usb_interface(hdev->dev.parent); + __u8 bInterfaceNumber = iface->cur_altsetting->desc.bInterfaceNumber; + bool found; + /* The resulting parameters (noop) */ + struct uclogic_params p = {0, }; + + /* Check arguments */ + if (params == NULL || hdev == NULL || + !hid_is_using_ll_driver(hdev, &usb_hid_driver)) { + rc = -EINVAL; + goto cleanup; + } + + /* + * Set replacement report descriptor if the original matches the + * specified size. Otherwise keep interface unchanged. + */ +#define WITH_OPT_DESC(_orig_desc_token, _new_desc_token) \ + uclogic_params_init_with_opt_desc( \ + &p, hdev, \ + UCLOGIC_RDESC_##_orig_desc_token##_SIZE, \ + uclogic_rdesc_##_new_desc_token##_arr, \ + uclogic_rdesc_##_new_desc_token##_size) + +#define VID_PID(_vid, _pid) \ + (((__u32)(_vid) << 16) | ((__u32)(_pid) & U16_MAX)) + + /* + * Handle specific interfaces for specific tablets. + * + * Observe the following logic: + * + * If the interface is recognized as producing certain useful input: + * Mark interface as valid. + * Output interface parameters. + * Else, if the interface is recognized as *not* producing any useful + * input: + * Mark interface as invalid. + * Else: + * Mark interface as valid. + * Output noop parameters. + * + * Rule of thumb: it is better to disable a broken interface than let + * it spew garbage input. + */ + + switch (VID_PID(hdev->vendor, hdev->product)) { + case VID_PID(USB_VENDOR_ID_UCLOGIC, + USB_DEVICE_ID_UCLOGIC_TABLET_PF1209): + rc = WITH_OPT_DESC(PF1209_ORIG, pf1209_fixed); + if (rc != 0) + goto cleanup; + break; + case VID_PID(USB_VENDOR_ID_UCLOGIC, + USB_DEVICE_ID_UCLOGIC_TABLET_WP4030U): + rc = WITH_OPT_DESC(WPXXXXU_ORIG, wp4030u_fixed); + if (rc != 0) + goto cleanup; + break; + case VID_PID(USB_VENDOR_ID_UCLOGIC, + USB_DEVICE_ID_UCLOGIC_TABLET_WP5540U): + if (hdev->dev_rsize == UCLOGIC_RDESC_WP5540U_V2_ORIG_SIZE) { + if (bInterfaceNumber == 0) { + /* Try to probe v1 pen parameters */ + rc = uclogic_params_pen_init_v1(&p.pen, + &found, hdev); + if (rc != 0) { + hid_err(hdev, + "pen probing failed: %d\n", + rc); + goto cleanup; + } + if (!found) { + hid_warn(hdev, + "pen parameters not found"); + } + } else { + uclogic_params_init_invalid(&p); + } + } else { + rc = WITH_OPT_DESC(WPXXXXU_ORIG, wp5540u_fixed); + if (rc != 0) + goto cleanup; + } + break; + case VID_PID(USB_VENDOR_ID_UCLOGIC, + USB_DEVICE_ID_UCLOGIC_TABLET_WP8060U): + rc = WITH_OPT_DESC(WPXXXXU_ORIG, wp8060u_fixed); + if (rc != 0) + goto cleanup; + break; + case VID_PID(USB_VENDOR_ID_UCLOGIC, + USB_DEVICE_ID_UCLOGIC_TABLET_WP1062): + rc = WITH_OPT_DESC(WP1062_ORIG, wp1062_fixed); + if (rc != 0) + goto cleanup; + break; + case VID_PID(USB_VENDOR_ID_UCLOGIC, + USB_DEVICE_ID_UCLOGIC_WIRELESS_TABLET_TWHL850): + switch (bInterfaceNumber) { + case 0: + rc = WITH_OPT_DESC(TWHL850_ORIG0, twhl850_fixed0); + if (rc != 0) + goto cleanup; + break; + case 1: + rc = WITH_OPT_DESC(TWHL850_ORIG1, twhl850_fixed1); + if (rc != 0) + goto cleanup; + break; + case 2: + rc = WITH_OPT_DESC(TWHL850_ORIG2, twhl850_fixed2); + if (rc != 0) + goto cleanup; + break; + } + break; + case VID_PID(USB_VENDOR_ID_UCLOGIC, + USB_DEVICE_ID_UCLOGIC_TABLET_TWHA60): + /* + * If it is not a three-interface version, which is known to + * respond to initialization. + */ + if (bNumInterfaces != 3) { + switch (bInterfaceNumber) { + case 0: + rc = WITH_OPT_DESC(TWHA60_ORIG0, + twha60_fixed0); + if (rc != 0) + goto cleanup; + break; + case 1: + rc = WITH_OPT_DESC(TWHA60_ORIG1, + twha60_fixed1); + if (rc != 0) + goto cleanup; + break; + } + break; + } + /* FALL THROUGH */ + case VID_PID(USB_VENDOR_ID_HUION, + USB_DEVICE_ID_HUION_TABLET): + case VID_PID(USB_VENDOR_ID_UCLOGIC, + USB_DEVICE_ID_HUION_TABLET): + case VID_PID(USB_VENDOR_ID_UCLOGIC, + USB_DEVICE_ID_YIYNOVA_TABLET): + case VID_PID(USB_VENDOR_ID_UCLOGIC, + USB_DEVICE_ID_UCLOGIC_UGEE_TABLET_81): + case VID_PID(USB_VENDOR_ID_UCLOGIC, + USB_DEVICE_ID_UCLOGIC_DRAWIMAGE_G3): + case VID_PID(USB_VENDOR_ID_UCLOGIC, + USB_DEVICE_ID_UCLOGIC_UGEE_TABLET_45): + case VID_PID(USB_VENDOR_ID_UCLOGIC, + USB_DEVICE_ID_UCLOGIC_UGEE_TABLET_47): + rc = uclogic_params_huion_init(&p, hdev); + if (rc != 0) + goto cleanup; + break; + case VID_PID(USB_VENDOR_ID_UGTIZER, + USB_DEVICE_ID_UGTIZER_TABLET_GP0610): + case VID_PID(USB_VENDOR_ID_UGEE, + USB_DEVICE_ID_UGEE_XPPEN_TABLET_G540): + case VID_PID(USB_VENDOR_ID_UGEE, + USB_DEVICE_ID_UGEE_XPPEN_TABLET_G640): + /* If this is the pen interface */ + if (bInterfaceNumber == 1) { + /* Probe v1 pen parameters */ + rc = uclogic_params_pen_init_v1(&p.pen, &found, hdev); + if (rc != 0) { + hid_err(hdev, "pen probing failed: %d\n", rc); + goto cleanup; + } + if (!found) { + hid_warn(hdev, "pen parameters not found"); + uclogic_params_init_invalid(&p); + } + } else { + /* TODO: Consider marking the interface invalid */ + uclogic_params_init_with_pen_unused(&p); + } + break; + case VID_PID(USB_VENDOR_ID_UGEE, + USB_DEVICE_ID_UGEE_XPPEN_TABLET_DECO01): + /* If this is the pen and frame interface */ + if (bInterfaceNumber == 1) { + /* Probe v1 pen parameters */ + rc = uclogic_params_pen_init_v1(&p.pen, &found, hdev); + if (rc != 0) { + hid_err(hdev, "pen probing failed: %d\n", rc); + goto cleanup; + } + /* Initialize frame parameters */ + rc = uclogic_params_frame_init_with_desc( + &p.frame, + uclogic_rdesc_xppen_deco01_frame_arr, + uclogic_rdesc_xppen_deco01_frame_size, + 0); + if (rc != 0) + goto cleanup; + } else { + /* TODO: Consider marking the interface invalid */ + uclogic_params_init_with_pen_unused(&p); + } + break; + case VID_PID(USB_VENDOR_ID_UGEE, + USB_DEVICE_ID_UGEE_TABLET_G5): + /* Ignore non-pen interfaces */ + if (bInterfaceNumber != 1) { + uclogic_params_init_invalid(&p); + break; + } + + rc = uclogic_params_pen_init_v1(&p.pen, &found, hdev); + if (rc != 0) { + hid_err(hdev, "pen probing failed: %d\n", rc); + goto cleanup; + } else if (found) { + rc = uclogic_params_frame_init_with_desc( + &p.frame, + uclogic_rdesc_ugee_g5_frame_arr, + uclogic_rdesc_ugee_g5_frame_size, + UCLOGIC_RDESC_UGEE_G5_FRAME_ID); + if (rc != 0) { + hid_err(hdev, + "failed creating buttonpad parameters: %d\n", + rc); + goto cleanup; + } + p.frame.re_lsb = + UCLOGIC_RDESC_UGEE_G5_FRAME_RE_LSB; + p.frame.dev_id_byte = + UCLOGIC_RDESC_UGEE_G5_FRAME_DEV_ID_BYTE; + } else { + hid_warn(hdev, "pen parameters not found"); + uclogic_params_init_invalid(&p); + } + + break; + case VID_PID(USB_VENDOR_ID_UGEE, + USB_DEVICE_ID_UGEE_TABLET_EX07S): + /* Ignore non-pen interfaces */ + if (bInterfaceNumber != 1) { + uclogic_params_init_invalid(&p); + break; + } + + rc = uclogic_params_pen_init_v1(&p.pen, &found, hdev); + if (rc != 0) { + hid_err(hdev, "pen probing failed: %d\n", rc); + goto cleanup; + } else if (found) { + rc = uclogic_params_frame_init_with_desc( + &p.frame, + uclogic_rdesc_ugee_ex07_buttonpad_arr, + uclogic_rdesc_ugee_ex07_buttonpad_size, + 0); + if (rc != 0) { + hid_err(hdev, + "failed creating buttonpad parameters: %d\n", + rc); + goto cleanup; + } + } else { + hid_warn(hdev, "pen parameters not found"); + uclogic_params_init_invalid(&p); + } + + break; + } + +#undef VID_PID +#undef WITH_OPT_DESC + + /* Output parameters */ + memcpy(params, &p, sizeof(*params)); + memset(&p, 0, sizeof(p)); + rc = 0; +cleanup: + uclogic_params_cleanup(&p); + return rc; +} diff --git a/drivers/hid/hid-uclogic-params.h b/drivers/hid/hid-uclogic-params.h new file mode 100644 index 000000000000..ba48b1c7a0e5 --- /dev/null +++ b/drivers/hid/hid-uclogic-params.h @@ -0,0 +1,207 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * HID driver for UC-Logic devices not fully compliant with HID standard + * - tablet initialization and parameter retrieval + * + * Copyright (c) 2018 Nikolai Kondrashov + */ + +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + */ + +#ifndef _HID_UCLOGIC_PARAMS_H +#define _HID_UCLOGIC_PARAMS_H + +#include <linux/usb.h> +#include <linux/hid.h> + +/* Types of pen in-range reporting */ +enum uclogic_params_pen_inrange { + /* Normal reports: zero - out of proximity, one - in proximity */ + UCLOGIC_PARAMS_PEN_INRANGE_NORMAL = 0, + /* Inverted reports: zero - in proximity, one - out of proximity */ + UCLOGIC_PARAMS_PEN_INRANGE_INVERTED, + /* No reports */ + UCLOGIC_PARAMS_PEN_INRANGE_NONE, +}; + +/* Convert a pen in-range reporting type to a string */ +extern const char *uclogic_params_pen_inrange_to_str( + enum uclogic_params_pen_inrange inrange); + +/* + * Tablet interface's pen input parameters. + * + * Must use declarative (descriptive) language, not imperative, to simplify + * understanding and maintain consistency. + * + * Noop (preserving functionality) when filled with zeroes. + */ +struct uclogic_params_pen { + /* + * Pointer to report descriptor describing the inputs. + * Allocated with kmalloc. + */ + __u8 *desc_ptr; + /* + * Size of the report descriptor. + * Only valid, if "desc_ptr" is not NULL. + */ + unsigned int desc_size; + /* Report ID, if reports should be tweaked, zero if not */ + unsigned int id; + /* Type of in-range reporting, only valid if "id" is not zero */ + enum uclogic_params_pen_inrange inrange; + /* + * True, if reports include fragmented high resolution coords, with + * high-order X and then Y bytes following the pressure field. + * Only valid if "id" is not zero. + */ + bool fragmented_hires; +}; + +/* + * Parameters of frame control inputs of a tablet interface. + * + * Must use declarative (descriptive) language, not imperative, to simplify + * understanding and maintain consistency. + * + * Noop (preserving functionality) when filled with zeroes. + */ +struct uclogic_params_frame { + /* + * Pointer to report descriptor describing the inputs. + * Allocated with kmalloc. + */ + __u8 *desc_ptr; + /* + * Size of the report descriptor. + * Only valid, if "desc_ptr" is not NULL. + */ + unsigned int desc_size; + /* + * Report ID, if reports should be tweaked, zero if not. + */ + unsigned int id; + /* + * Number of the least-significant bit of the 2-bit state of a rotary + * encoder, in the report. Cannot point to a 2-bit field crossing a + * byte boundary. Zero if not present. Only valid if "id" is not zero. + */ + unsigned int re_lsb; + /* + * Offset of the Wacom-style device ID byte in the report, to be set + * to pad device ID (0xf), for compatibility with Wacom drivers. Zero + * if no changes to the report should be made. Only valid if "id" is + * not zero. + */ + unsigned int dev_id_byte; +}; + +/* + * Tablet interface report parameters. + * + * Must use declarative (descriptive) language, not imperative, to simplify + * understanding and maintain consistency. + * + * When filled with zeros represents a "noop" configuration - passes all + * reports unchanged and lets the generic HID driver handle everything. + * + * The resulting device report descriptor is assembled from all the report + * descriptor parts referenced by the structure. No order of assembly should + * be assumed. The structure represents original device report descriptor if + * all the parts are NULL. + */ +struct uclogic_params { + /* + * True if the whole interface is invalid, false otherwise. + */ + bool invalid; + /* + * Pointer to the common part of the replacement report descriptor, + * allocated with kmalloc. NULL if no common part is needed. + * Only valid, if "invalid" is false. + */ + __u8 *desc_ptr; + /* + * Size of the common part of the replacement report descriptor. + * Only valid, if "desc_ptr" is not NULL. + */ + unsigned int desc_size; + /* + * True, if pen usage in report descriptor is invalid, when present. + * Only valid, if "invalid" is false. + */ + bool pen_unused; + /* + * Pen parameters and optional report descriptor part. + * Only valid if "pen_unused" is valid and false. + */ + struct uclogic_params_pen pen; + /* + * Frame control parameters and optional report descriptor part. + * Only valid, if "invalid" is false. + */ + struct uclogic_params_frame frame; + /* + * Bitmask matching frame controls "sub-report" flag in the second + * byte of the pen report, or zero if it's not expected. + * Only valid if both "pen" and "frame" are valid, and "frame.id" is + * not zero. + */ + __u8 pen_frame_flag; +}; + +/* Initialize a tablet interface and discover its parameters */ +extern int uclogic_params_init(struct uclogic_params *params, + struct hid_device *hdev); + +/* Tablet interface parameters *printf format string */ +#define UCLOGIC_PARAMS_FMT_STR \ + ".invalid = %s\n" \ + ".desc_ptr = %p\n" \ + ".desc_size = %u\n" \ + ".pen_unused = %s\n" \ + ".pen.desc_ptr = %p\n" \ + ".pen.desc_size = %u\n" \ + ".pen.id = %u\n" \ + ".pen.inrange = %s\n" \ + ".pen.fragmented_hires = %s\n" \ + ".frame.desc_ptr = %p\n" \ + ".frame.desc_size = %u\n" \ + ".frame.id = %u\n" \ + ".frame.re_lsb = %u\n" \ + ".frame.dev_id_byte = %u\n" \ + ".pen_frame_flag = 0x%02x\n" + +/* Tablet interface parameters *printf format arguments */ +#define UCLOGIC_PARAMS_FMT_ARGS(_params) \ + ((_params)->invalid ? "true" : "false"), \ + (_params)->desc_ptr, \ + (_params)->desc_size, \ + ((_params)->pen_unused ? "true" : "false"), \ + (_params)->pen.desc_ptr, \ + (_params)->pen.desc_size, \ + (_params)->pen.id, \ + uclogic_params_pen_inrange_to_str((_params)->pen.inrange), \ + ((_params)->pen.fragmented_hires ? "true" : "false"), \ + (_params)->frame.desc_ptr, \ + (_params)->frame.desc_size, \ + (_params)->frame.id, \ + (_params)->frame.re_lsb, \ + (_params)->frame.dev_id_byte, \ + (_params)->pen_frame_flag + +/* Get a replacement report descriptor for a tablet's interface. */ +extern int uclogic_params_get_desc(const struct uclogic_params *params, + __u8 **pdesc, + unsigned int *psize); + +/* Free resources used by tablet interface's parameters */ +extern void uclogic_params_cleanup(struct uclogic_params *params); + +#endif /* _HID_UCLOGIC_PARAMS_H */ diff --git a/drivers/hid/hid-uclogic.c b/drivers/hid/hid-uclogic-rdesc.c index 56b196d60041..bf5da6de7bba 100644 --- a/drivers/hid/hid-uclogic.c +++ b/drivers/hid/hid-uclogic-rdesc.c @@ -1,7 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * HID driver for UC-Logic devices not fully compliant with HID standard + * - original and fixed report descriptors * - * Copyright (c) 2010-2014 Nikolai Kondrashov + * Copyright (c) 2010-2017 Nikolai Kondrashov * Copyright (c) 2013 Martin Rusko */ @@ -12,20 +14,12 @@ * any later version. */ -#include <linux/device.h> -#include <linux/hid.h> -#include <linux/module.h> -#include <linux/usb.h> +#include "hid-uclogic-rdesc.h" +#include <linux/slab.h> #include <asm/unaligned.h> -#include "usbhid/usbhid.h" - -#include "hid-ids.h" - -/* Size of the original descriptor of WPXXXXU tablets */ -#define WPXXXXU_RDESC_ORIG_SIZE 212 /* Fixed WP4030U report descriptor */ -static __u8 wp4030u_rdesc_fixed[] = { +__u8 uclogic_rdesc_wp4030u_fixed_arr[] = { 0x05, 0x0D, /* Usage Page (Digitizer), */ 0x09, 0x02, /* Usage (Pen), */ 0xA1, 0x01, /* Collection (Application), */ @@ -66,8 +60,11 @@ static __u8 wp4030u_rdesc_fixed[] = { 0xC0 /* End Collection */ }; +const size_t uclogic_rdesc_wp4030u_fixed_size = + sizeof(uclogic_rdesc_wp4030u_fixed_arr); + /* Fixed WP5540U report descriptor */ -static __u8 wp5540u_rdesc_fixed[] = { +__u8 uclogic_rdesc_wp5540u_fixed_arr[] = { 0x05, 0x0D, /* Usage Page (Digitizer), */ 0x09, 0x02, /* Usage (Pen), */ 0xA1, 0x01, /* Collection (Application), */ @@ -140,8 +137,11 @@ static __u8 wp5540u_rdesc_fixed[] = { 0xC0 /* End Collection */ }; +const size_t uclogic_rdesc_wp5540u_fixed_size = + sizeof(uclogic_rdesc_wp5540u_fixed_arr); + /* Fixed WP8060U report descriptor */ -static __u8 wp8060u_rdesc_fixed[] = { +__u8 uclogic_rdesc_wp8060u_fixed_arr[] = { 0x05, 0x0D, /* Usage Page (Digitizer), */ 0x09, 0x02, /* Usage (Pen), */ 0xA1, 0x01, /* Collection (Application), */ @@ -214,11 +214,11 @@ static __u8 wp8060u_rdesc_fixed[] = { 0xC0 /* End Collection */ }; -/* Size of the original descriptor of WP1062 tablet */ -#define WP1062_RDESC_ORIG_SIZE 254 +const size_t uclogic_rdesc_wp8060u_fixed_size = + sizeof(uclogic_rdesc_wp8060u_fixed_arr); /* Fixed WP1062 report descriptor */ -static __u8 wp1062_rdesc_fixed[] = { +__u8 uclogic_rdesc_wp1062_fixed_arr[] = { 0x05, 0x0D, /* Usage Page (Digitizer), */ 0x09, 0x02, /* Usage (Pen), */ 0xA1, 0x01, /* Collection (Application), */ @@ -262,11 +262,11 @@ static __u8 wp1062_rdesc_fixed[] = { 0xC0 /* End Collection */ }; -/* Size of the original descriptor of PF1209 tablet */ -#define PF1209_RDESC_ORIG_SIZE 234 +const size_t uclogic_rdesc_wp1062_fixed_size = + sizeof(uclogic_rdesc_wp1062_fixed_arr); /* Fixed PF1209 report descriptor */ -static __u8 pf1209_rdesc_fixed[] = { +__u8 uclogic_rdesc_pf1209_fixed_arr[] = { 0x05, 0x0D, /* Usage Page (Digitizer), */ 0x09, 0x02, /* Usage (Pen), */ 0xA1, 0x01, /* Collection (Application), */ @@ -339,13 +339,11 @@ static __u8 pf1209_rdesc_fixed[] = { 0xC0 /* End Collection */ }; -/* Size of the original descriptors of TWHL850 tablet */ -#define TWHL850_RDESC_ORIG_SIZE0 182 -#define TWHL850_RDESC_ORIG_SIZE1 161 -#define TWHL850_RDESC_ORIG_SIZE2 92 +const size_t uclogic_rdesc_pf1209_fixed_size = + sizeof(uclogic_rdesc_pf1209_fixed_arr); /* Fixed PID 0522 tablet report descriptor, interface 0 (stylus) */ -static __u8 twhl850_rdesc_fixed0[] = { +__u8 uclogic_rdesc_twhl850_fixed0_arr[] = { 0x05, 0x0D, /* Usage Page (Digitizer), */ 0x09, 0x02, /* Usage (Pen), */ 0xA1, 0x01, /* Collection (Application), */ @@ -387,8 +385,11 @@ static __u8 twhl850_rdesc_fixed0[] = { 0xC0 /* End Collection */ }; +const size_t uclogic_rdesc_twhl850_fixed0_size = + sizeof(uclogic_rdesc_twhl850_fixed0_arr); + /* Fixed PID 0522 tablet report descriptor, interface 1 (mouse) */ -static __u8 twhl850_rdesc_fixed1[] = { +__u8 uclogic_rdesc_twhl850_fixed1_arr[] = { 0x05, 0x01, /* Usage Page (Desktop), */ 0x09, 0x02, /* Usage (Mouse), */ 0xA1, 0x01, /* Collection (Application), */ @@ -424,8 +425,11 @@ static __u8 twhl850_rdesc_fixed1[] = { 0xC0 /* End Collection */ }; +const size_t uclogic_rdesc_twhl850_fixed1_size = + sizeof(uclogic_rdesc_twhl850_fixed1_arr); + /* Fixed PID 0522 tablet report descriptor, interface 2 (frame buttons) */ -static __u8 twhl850_rdesc_fixed2[] = { +__u8 uclogic_rdesc_twhl850_fixed2_arr[] = { 0x05, 0x01, /* Usage Page (Desktop), */ 0x09, 0x06, /* Usage (Keyboard), */ 0xA1, 0x01, /* Collection (Application), */ @@ -447,12 +451,11 @@ static __u8 twhl850_rdesc_fixed2[] = { 0xC0 /* End Collection */ }; -/* Size of the original descriptors of TWHA60 tablet */ -#define TWHA60_RDESC_ORIG_SIZE0 254 -#define TWHA60_RDESC_ORIG_SIZE1 139 +const size_t uclogic_rdesc_twhl850_fixed2_size = + sizeof(uclogic_rdesc_twhl850_fixed2_arr); /* Fixed TWHA60 report descriptor, interface 0 (stylus) */ -static __u8 twha60_rdesc_fixed0[] = { +__u8 uclogic_rdesc_twha60_fixed0_arr[] = { 0x05, 0x0D, /* Usage Page (Digitizer), */ 0x09, 0x02, /* Usage (Pen), */ 0xA1, 0x01, /* Collection (Application), */ @@ -497,8 +500,11 @@ static __u8 twha60_rdesc_fixed0[] = { 0xC0 /* End Collection */ }; +const size_t uclogic_rdesc_twha60_fixed0_size = + sizeof(uclogic_rdesc_twha60_fixed0_arr); + /* Fixed TWHA60 report descriptor, interface 1 (frame buttons) */ -static __u8 twha60_rdesc_fixed1[] = { +__u8 uclogic_rdesc_twha60_fixed1_arr[] = { 0x05, 0x01, /* Usage Page (Desktop), */ 0x09, 0x06, /* Usage (Keyboard), */ 0xA1, 0x01, /* Collection (Application), */ @@ -522,29 +528,69 @@ static __u8 twha60_rdesc_fixed1[] = { 0xC0 /* End Collection */ }; -/* Report descriptor template placeholder head */ -#define UCLOGIC_PH_HEAD 0xFE, 0xED, 0x1D +const size_t uclogic_rdesc_twha60_fixed1_size = + sizeof(uclogic_rdesc_twha60_fixed1_arr); -/* Report descriptor template placeholder IDs */ -enum uclogic_ph_id { - UCLOGIC_PH_ID_X_LM, - UCLOGIC_PH_ID_X_PM, - UCLOGIC_PH_ID_Y_LM, - UCLOGIC_PH_ID_Y_PM, - UCLOGIC_PH_ID_PRESSURE_LM, - UCLOGIC_PH_ID_NUM +/* Fixed report descriptor template for (tweaked) v1 pen reports */ +const __u8 uclogic_rdesc_pen_v1_template_arr[] = { + 0x05, 0x0D, /* Usage Page (Digitizer), */ + 0x09, 0x02, /* Usage (Pen), */ + 0xA1, 0x01, /* Collection (Application), */ + 0x85, 0x07, /* Report ID (7), */ + 0x09, 0x20, /* Usage (Stylus), */ + 0xA0, /* Collection (Physical), */ + 0x14, /* Logical Minimum (0), */ + 0x25, 0x01, /* Logical Maximum (1), */ + 0x75, 0x01, /* Report Size (1), */ + 0x09, 0x42, /* Usage (Tip Switch), */ + 0x09, 0x44, /* Usage (Barrel Switch), */ + 0x09, 0x46, /* Usage (Tablet Pick), */ + 0x95, 0x03, /* Report Count (3), */ + 0x81, 0x02, /* Input (Variable), */ + 0x95, 0x03, /* Report Count (3), */ + 0x81, 0x03, /* Input (Constant, Variable), */ + 0x09, 0x32, /* Usage (In Range), */ + 0x95, 0x01, /* Report Count (1), */ + 0x81, 0x02, /* Input (Variable), */ + 0x95, 0x01, /* Report Count (1), */ + 0x81, 0x03, /* Input (Constant, Variable), */ + 0x75, 0x10, /* Report Size (16), */ + 0x95, 0x01, /* Report Count (1), */ + 0xA4, /* Push, */ + 0x05, 0x01, /* Usage Page (Desktop), */ + 0x65, 0x13, /* Unit (Inch), */ + 0x55, 0xFD, /* Unit Exponent (-3), */ + 0x34, /* Physical Minimum (0), */ + 0x09, 0x30, /* Usage (X), */ + 0x27, UCLOGIC_RDESC_PEN_PH(X_LM), + /* Logical Maximum (PLACEHOLDER), */ + 0x47, UCLOGIC_RDESC_PEN_PH(X_PM), + /* Physical Maximum (PLACEHOLDER), */ + 0x81, 0x02, /* Input (Variable), */ + 0x09, 0x31, /* Usage (Y), */ + 0x27, UCLOGIC_RDESC_PEN_PH(Y_LM), + /* Logical Maximum (PLACEHOLDER), */ + 0x47, UCLOGIC_RDESC_PEN_PH(Y_PM), + /* Physical Maximum (PLACEHOLDER), */ + 0x81, 0x02, /* Input (Variable), */ + 0xB4, /* Pop, */ + 0x09, 0x30, /* Usage (Tip Pressure), */ + 0x27, UCLOGIC_RDESC_PEN_PH(PRESSURE_LM), + /* Logical Maximum (PLACEHOLDER), */ + 0x81, 0x02, /* Input (Variable), */ + 0xC0, /* End Collection, */ + 0xC0 /* End Collection */ }; -/* Report descriptor template placeholder */ -#define UCLOGIC_PH(_ID) UCLOGIC_PH_HEAD, UCLOGIC_PH_ID_##_ID -#define UCLOGIC_PEN_REPORT_ID 0x07 +const size_t uclogic_rdesc_pen_v1_template_size = + sizeof(uclogic_rdesc_pen_v1_template_arr); -/* Fixed report descriptor template */ -static const __u8 uclogic_tablet_rdesc_template[] = { +/* Fixed report descriptor template for (tweaked) v2 pen reports */ +const __u8 uclogic_rdesc_pen_v2_template_arr[] = { 0x05, 0x0D, /* Usage Page (Digitizer), */ 0x09, 0x02, /* Usage (Pen), */ 0xA1, 0x01, /* Collection (Application), */ - 0x85, 0x07, /* Report ID (7), */ + 0x85, 0x08, /* Report ID (8), */ 0x09, 0x20, /* Usage (Stylus), */ 0xA0, /* Collection (Physical), */ 0x14, /* Logical Minimum (0), */ @@ -562,529 +608,255 @@ static const __u8 uclogic_tablet_rdesc_template[] = { 0x81, 0x02, /* Input (Variable), */ 0x95, 0x01, /* Report Count (1), */ 0x81, 0x03, /* Input (Constant, Variable), */ - 0x75, 0x10, /* Report Size (16), */ 0x95, 0x01, /* Report Count (1), */ 0xA4, /* Push, */ 0x05, 0x01, /* Usage Page (Desktop), */ 0x65, 0x13, /* Unit (Inch), */ 0x55, 0xFD, /* Unit Exponent (-3), */ + 0x75, 0x18, /* Report Size (24), */ 0x34, /* Physical Minimum (0), */ 0x09, 0x30, /* Usage (X), */ - 0x27, UCLOGIC_PH(X_LM), /* Logical Maximum (PLACEHOLDER), */ - 0x47, UCLOGIC_PH(X_PM), /* Physical Maximum (PLACEHOLDER), */ + 0x27, UCLOGIC_RDESC_PEN_PH(X_LM), + /* Logical Maximum (PLACEHOLDER), */ + 0x47, UCLOGIC_RDESC_PEN_PH(X_PM), + /* Physical Maximum (PLACEHOLDER), */ 0x81, 0x02, /* Input (Variable), */ 0x09, 0x31, /* Usage (Y), */ - 0x27, UCLOGIC_PH(Y_LM), /* Logical Maximum (PLACEHOLDER), */ - 0x47, UCLOGIC_PH(Y_PM), /* Physical Maximum (PLACEHOLDER), */ + 0x27, UCLOGIC_RDESC_PEN_PH(Y_LM), + /* Logical Maximum (PLACEHOLDER), */ + 0x47, UCLOGIC_RDESC_PEN_PH(Y_PM), + /* Physical Maximum (PLACEHOLDER), */ 0x81, 0x02, /* Input (Variable), */ 0xB4, /* Pop, */ 0x09, 0x30, /* Usage (Tip Pressure), */ - 0x27, - UCLOGIC_PH(PRESSURE_LM),/* Logical Maximum (PLACEHOLDER), */ + 0x75, 0x10, /* Report Size (16), */ + 0x27, UCLOGIC_RDESC_PEN_PH(PRESSURE_LM), + /* Logical Maximum (PLACEHOLDER), */ 0x81, 0x02, /* Input (Variable), */ + 0x81, 0x03, /* Input (Constant, Variable), */ 0xC0, /* End Collection, */ 0xC0 /* End Collection */ }; -/* Fixed virtual pad report descriptor */ -static const __u8 uclogic_buttonpad_rdesc[] = { +const size_t uclogic_rdesc_pen_v2_template_size = + sizeof(uclogic_rdesc_pen_v2_template_arr); + +/** + * Expand to the contents of a generic buttonpad report descriptor. + * + * @_padding: Padding from the end of button bits at bit 44, until + * the end of the report, in bits. + */ +#define UCLOGIC_RDESC_BUTTONPAD_BYTES(_padding) \ + 0x05, 0x01, /* Usage Page (Desktop), */ \ + 0x09, 0x07, /* Usage (Keypad), */ \ + 0xA1, 0x01, /* Collection (Application), */ \ + 0x85, 0xF7, /* Report ID (247), */ \ + 0x14, /* Logical Minimum (0), */ \ + 0x25, 0x01, /* Logical Maximum (1), */ \ + 0x75, 0x01, /* Report Size (1), */ \ + 0x05, 0x0D, /* Usage Page (Digitizer), */ \ + 0x09, 0x39, /* Usage (Tablet Function Keys), */ \ + 0xA0, /* Collection (Physical), */ \ + 0x09, 0x44, /* Usage (Barrel Switch), */ \ + 0x95, 0x01, /* Report Count (1), */ \ + 0x81, 0x02, /* Input (Variable), */ \ + 0x05, 0x01, /* Usage Page (Desktop), */ \ + 0x09, 0x30, /* Usage (X), */ \ + 0x09, 0x31, /* Usage (Y), */ \ + 0x95, 0x02, /* Report Count (2), */ \ + 0x81, 0x02, /* Input (Variable), */ \ + 0x95, 0x15, /* Report Count (21), */ \ + 0x81, 0x01, /* Input (Constant), */ \ + 0x05, 0x09, /* Usage Page (Button), */ \ + 0x19, 0x01, /* Usage Minimum (01h), */ \ + 0x29, 0x0A, /* Usage Maximum (0Ah), */ \ + 0x95, 0x0A, /* Report Count (10), */ \ + 0x81, 0x02, /* Input (Variable), */ \ + 0xC0, /* End Collection, */ \ + 0x05, 0x01, /* Usage Page (Desktop), */ \ + 0x09, 0x05, /* Usage (Gamepad), */ \ + 0xA0, /* Collection (Physical), */ \ + 0x05, 0x09, /* Usage Page (Button), */ \ + 0x19, 0x01, /* Usage Minimum (01h), */ \ + 0x29, 0x02, /* Usage Maximum (02h), */ \ + 0x95, 0x02, /* Report Count (2), */ \ + 0x81, 0x02, /* Input (Variable), */ \ + 0x95, _padding, /* Report Count (_padding), */ \ + 0x81, 0x01, /* Input (Constant), */ \ + 0xC0, /* End Collection, */ \ + 0xC0 /* End Collection */ + +/* Fixed report descriptor for (tweaked) v1 buttonpad reports */ +const __u8 uclogic_rdesc_buttonpad_v1_arr[] = { + UCLOGIC_RDESC_BUTTONPAD_BYTES(20) +}; +const size_t uclogic_rdesc_buttonpad_v1_size = + sizeof(uclogic_rdesc_buttonpad_v1_arr); + +/* Fixed report descriptor for (tweaked) v2 buttonpad reports */ +const __u8 uclogic_rdesc_buttonpad_v2_arr[] = { + UCLOGIC_RDESC_BUTTONPAD_BYTES(52) +}; +const size_t uclogic_rdesc_buttonpad_v2_size = + sizeof(uclogic_rdesc_buttonpad_v2_arr); + +/* Fixed report descriptor for Ugee EX07 buttonpad */ +const __u8 uclogic_rdesc_ugee_ex07_buttonpad_arr[] = { 0x05, 0x01, /* Usage Page (Desktop), */ 0x09, 0x07, /* Usage (Keypad), */ 0xA1, 0x01, /* Collection (Application), */ - 0x85, 0xF7, /* Report ID (247), */ - 0x05, 0x0D, /* Usage Page (Digitizers), */ + 0x85, 0x06, /* Report ID (6), */ + 0x05, 0x0D, /* Usage Page (Digitizer), */ 0x09, 0x39, /* Usage (Tablet Function Keys), */ 0xA0, /* Collection (Physical), */ 0x05, 0x09, /* Usage Page (Button), */ 0x75, 0x01, /* Report Size (1), */ - 0x95, 0x18, /* Report Count (24), */ + 0x19, 0x03, /* Usage Minimum (03h), */ + 0x29, 0x06, /* Usage Maximum (06h), */ + 0x95, 0x04, /* Report Count (4), */ + 0x81, 0x02, /* Input (Variable), */ + 0x95, 0x1A, /* Report Count (26), */ 0x81, 0x03, /* Input (Constant, Variable), */ 0x19, 0x01, /* Usage Minimum (01h), */ - 0x29, 0x08, /* Usage Maximum (08h), */ - 0x95, 0x08, /* Report Count (8), */ + 0x29, 0x02, /* Usage Maximum (02h), */ + 0x95, 0x02, /* Report Count (2), */ 0x81, 0x02, /* Input (Variable), */ - 0xC0, /* End Collection */ + 0xC0, /* End Collection, */ 0xC0 /* End Collection */ }; +const size_t uclogic_rdesc_ugee_ex07_buttonpad_size = + sizeof(uclogic_rdesc_ugee_ex07_buttonpad_arr); -/* Parameter indices */ -enum uclogic_prm { - UCLOGIC_PRM_X_LM = 1, - UCLOGIC_PRM_Y_LM = 2, - UCLOGIC_PRM_PRESSURE_LM = 4, - UCLOGIC_PRM_RESOLUTION = 5, - UCLOGIC_PRM_NUM +/* Fixed report descriptor for Ugee G5 frame controls */ +const __u8 uclogic_rdesc_ugee_g5_frame_arr[] = { + 0x05, 0x01, /* Usage Page (Desktop), */ + 0x09, 0x07, /* Usage (Keypad), */ + 0xA1, 0x01, /* Collection (Application), */ + 0x85, 0x06, /* Report ID (6), */ + 0x05, 0x0D, /* Usage Page (Digitizer), */ + 0x09, 0x39, /* Usage (Tablet Function Keys), */ + 0xA0, /* Collection (Physical), */ + 0x14, /* Logical Minimum (0), */ + 0x25, 0x01, /* Logical Maximum (1), */ + 0x05, 0x01, /* Usage Page (Desktop), */ + 0x05, 0x09, /* Usage Page (Button), */ + 0x19, 0x01, /* Usage Minimum (01h), */ + 0x29, 0x05, /* Usage Maximum (05h), */ + 0x75, 0x01, /* Report Size (1), */ + 0x95, 0x05, /* Report Count (5), */ + 0x81, 0x02, /* Input (Variable), */ + 0x75, 0x01, /* Report Size (1), */ + 0x95, 0x03, /* Report Count (3), */ + 0x81, 0x01, /* Input (Constant), */ + 0x05, 0x0D, /* Usage Page (Digitizer), */ + 0x0A, 0xFF, 0xFF, /* Usage (FFFFh), */ + 0x26, 0xFF, 0x00, /* Logical Maximum (255), */ + 0x75, 0x08, /* Report Size (8), */ + 0x95, 0x01, /* Report Count (1), */ + 0x81, 0x02, /* Input (Variable), */ + 0x25, 0x01, /* Logical Maximum (1), */ + 0x09, 0x44, /* Usage (Barrel Switch), */ + 0x75, 0x01, /* Report Size (1), */ + 0x95, 0x01, /* Report Count (1), */ + 0x81, 0x02, /* Input (Variable), */ + 0x05, 0x01, /* Usage Page (Desktop), */ + 0x09, 0x30, /* Usage (X), */ + 0x09, 0x31, /* Usage (Y), */ + 0x75, 0x01, /* Report Size (1), */ + 0x95, 0x02, /* Report Count (2), */ + 0x81, 0x02, /* Input (Variable), */ + 0x75, 0x01, /* Report Size (1), */ + 0x95, 0x0B, /* Report Count (11), */ + 0x81, 0x01, /* Input (Constant), */ + 0x05, 0x01, /* Usage Page (Desktop), */ + 0x09, 0x38, /* Usage (Wheel), */ + 0x15, 0xFF, /* Logical Minimum (-1), */ + 0x25, 0x01, /* Logical Maximum (1), */ + 0x75, 0x02, /* Report Size (2), */ + 0x95, 0x01, /* Report Count (1), */ + 0x81, 0x06, /* Input (Variable, Relative), */ + 0xC0, /* End Collection, */ + 0xC0 /* End Collection */ }; - -/* Driver data */ -struct uclogic_drvdata { - __u8 *rdesc; - unsigned int rsize; - bool invert_pen_inrange; - bool ignore_pen_usage; - bool has_virtual_pad_interface; +const size_t uclogic_rdesc_ugee_g5_frame_size = + sizeof(uclogic_rdesc_ugee_g5_frame_arr); + +/* Fixed report descriptor for XP-Pen Deco 01 frame controls */ +const __u8 uclogic_rdesc_xppen_deco01_frame_arr[] = { + 0x05, 0x01, /* Usage Page (Desktop), */ + 0x09, 0x07, /* Usage (Keypad), */ + 0xA1, 0x01, /* Collection (Application), */ + 0x85, 0x06, /* Report ID (6), */ + 0x14, /* Logical Minimum (0), */ + 0x25, 0x01, /* Logical Maximum (1), */ + 0x75, 0x01, /* Report Size (1), */ + 0x05, 0x0D, /* Usage Page (Digitizer), */ + 0x09, 0x39, /* Usage (Tablet Function Keys), */ + 0xA0, /* Collection (Physical), */ + 0x05, 0x09, /* Usage Page (Button), */ + 0x19, 0x01, /* Usage Minimum (01h), */ + 0x29, 0x08, /* Usage Maximum (08h), */ + 0x95, 0x08, /* Report Count (8), */ + 0x81, 0x02, /* Input (Variable), */ + 0x05, 0x0D, /* Usage Page (Digitizer), */ + 0x09, 0x44, /* Usage (Barrel Switch), */ + 0x95, 0x01, /* Report Count (1), */ + 0x81, 0x02, /* Input (Variable), */ + 0x05, 0x01, /* Usage Page (Desktop), */ + 0x09, 0x30, /* Usage (X), */ + 0x09, 0x31, /* Usage (Y), */ + 0x95, 0x02, /* Report Count (2), */ + 0x81, 0x02, /* Input (Variable), */ + 0x95, 0x15, /* Report Count (21), */ + 0x81, 0x01, /* Input (Constant), */ + 0xC0, /* End Collection, */ + 0xC0 /* End Collection */ }; -static __u8 *uclogic_report_fixup(struct hid_device *hdev, __u8 *rdesc, - unsigned int *rsize) -{ - struct usb_interface *iface = to_usb_interface(hdev->dev.parent); - __u8 iface_num = iface->cur_altsetting->desc.bInterfaceNumber; - struct uclogic_drvdata *drvdata = hid_get_drvdata(hdev); - - if (drvdata->rdesc != NULL) { - rdesc = drvdata->rdesc; - *rsize = drvdata->rsize; - return rdesc; - } - - switch (hdev->product) { - case USB_DEVICE_ID_UCLOGIC_TABLET_PF1209: - if (*rsize == PF1209_RDESC_ORIG_SIZE) { - rdesc = pf1209_rdesc_fixed; - *rsize = sizeof(pf1209_rdesc_fixed); - } - break; - case USB_DEVICE_ID_UCLOGIC_TABLET_WP4030U: - if (*rsize == WPXXXXU_RDESC_ORIG_SIZE) { - rdesc = wp4030u_rdesc_fixed; - *rsize = sizeof(wp4030u_rdesc_fixed); - } - break; - case USB_DEVICE_ID_UCLOGIC_TABLET_WP5540U: - if (*rsize == WPXXXXU_RDESC_ORIG_SIZE) { - rdesc = wp5540u_rdesc_fixed; - *rsize = sizeof(wp5540u_rdesc_fixed); - } - break; - case USB_DEVICE_ID_UCLOGIC_TABLET_WP8060U: - if (*rsize == WPXXXXU_RDESC_ORIG_SIZE) { - rdesc = wp8060u_rdesc_fixed; - *rsize = sizeof(wp8060u_rdesc_fixed); - } - break; - case USB_DEVICE_ID_UCLOGIC_TABLET_WP1062: - if (*rsize == WP1062_RDESC_ORIG_SIZE) { - rdesc = wp1062_rdesc_fixed; - *rsize = sizeof(wp1062_rdesc_fixed); - } - break; - case USB_DEVICE_ID_UCLOGIC_WIRELESS_TABLET_TWHL850: - switch (iface_num) { - case 0: - if (*rsize == TWHL850_RDESC_ORIG_SIZE0) { - rdesc = twhl850_rdesc_fixed0; - *rsize = sizeof(twhl850_rdesc_fixed0); - } - break; - case 1: - if (*rsize == TWHL850_RDESC_ORIG_SIZE1) { - rdesc = twhl850_rdesc_fixed1; - *rsize = sizeof(twhl850_rdesc_fixed1); - } - break; - case 2: - if (*rsize == TWHL850_RDESC_ORIG_SIZE2) { - rdesc = twhl850_rdesc_fixed2; - *rsize = sizeof(twhl850_rdesc_fixed2); - } - break; - } - break; - case USB_DEVICE_ID_UCLOGIC_TABLET_TWHA60: - switch (iface_num) { - case 0: - if (*rsize == TWHA60_RDESC_ORIG_SIZE0) { - rdesc = twha60_rdesc_fixed0; - *rsize = sizeof(twha60_rdesc_fixed0); - } - break; - case 1: - if (*rsize == TWHA60_RDESC_ORIG_SIZE1) { - rdesc = twha60_rdesc_fixed1; - *rsize = sizeof(twha60_rdesc_fixed1); - } - break; - } - break; - } - - return rdesc; -} - -static int uclogic_input_mapping(struct hid_device *hdev, struct hid_input *hi, - struct hid_field *field, struct hid_usage *usage, - unsigned long **bit, int *max) -{ - struct uclogic_drvdata *drvdata = hid_get_drvdata(hdev); - - /* discard the unused pen interface */ - if ((drvdata->ignore_pen_usage) && - (field->application == HID_DG_PEN)) - return -1; - - /* let hid-core decide what to do */ - return 0; -} - -static int uclogic_input_configured(struct hid_device *hdev, - struct hid_input *hi) -{ - char *name; - const char *suffix = NULL; - struct hid_field *field; - size_t len; - - /* no report associated (HID_QUIRK_MULTI_INPUT not set) */ - if (!hi->report) - return 0; - - field = hi->report->field[0]; - - switch (field->application) { - case HID_GD_KEYBOARD: - suffix = "Keyboard"; - break; - case HID_GD_MOUSE: - suffix = "Mouse"; - break; - case HID_GD_KEYPAD: - suffix = "Pad"; - break; - case HID_DG_PEN: - suffix = "Pen"; - break; - case HID_CP_CONSUMER_CONTROL: - suffix = "Consumer Control"; - break; - case HID_GD_SYSTEM_CONTROL: - suffix = "System Control"; - break; - } - - if (suffix) { - len = strlen(hdev->name) + 2 + strlen(suffix); - name = devm_kzalloc(&hi->input->dev, len, GFP_KERNEL); - if (name) { - snprintf(name, len, "%s %s", hdev->name, suffix); - hi->input->name = name; - } - } - - return 0; -} +const size_t uclogic_rdesc_xppen_deco01_frame_size = + sizeof(uclogic_rdesc_xppen_deco01_frame_arr); /** - * Enable fully-functional tablet mode and determine device parameters. + * uclogic_rdesc_template_apply() - apply report descriptor parameters to a + * report descriptor template, creating a report descriptor. Copies the + * template over to the new report descriptor and replaces every occurrence of + * UCLOGIC_RDESC_PH_HEAD, followed by an index byte, with the value from the + * parameter list at that index. * - * @hdev: HID device + * @template_ptr: Pointer to the template buffer. + * @template_size: Size of the template buffer. + * @param_list: List of template parameters. + * @param_num: Number of parameters in the list. + * + * Returns: + * Kmalloc-allocated pointer to the created report descriptor, + * or NULL if allocation failed. */ -static int uclogic_tablet_enable(struct hid_device *hdev) +__u8 *uclogic_rdesc_template_apply(const __u8 *template_ptr, + size_t template_size, + const s32 *param_list, + size_t param_num) { - int rc; - struct usb_device *usb_dev = hid_to_usb_dev(hdev); - struct uclogic_drvdata *drvdata = hid_get_drvdata(hdev); - __le16 *buf = NULL; - size_t len; - s32 params[UCLOGIC_PH_ID_NUM]; - s32 resolution; + static const __u8 head[] = {UCLOGIC_RDESC_PH_HEAD}; + __u8 *rdesc_ptr; __u8 *p; s32 v; - /* - * Read string descriptor containing tablet parameters. The specific - * string descriptor and data were discovered by sniffing the Windows - * driver traffic. - * NOTE: This enables fully-functional tablet mode. - */ - len = UCLOGIC_PRM_NUM * sizeof(*buf); - buf = kmalloc(len, GFP_KERNEL); - if (buf == NULL) { - rc = -ENOMEM; - goto cleanup; - } - rc = usb_control_msg(usb_dev, usb_rcvctrlpipe(usb_dev, 0), - USB_REQ_GET_DESCRIPTOR, USB_DIR_IN, - (USB_DT_STRING << 8) + 0x64, - 0x0409, buf, len, - USB_CTRL_GET_TIMEOUT); - if (rc == -EPIPE) { - hid_err(hdev, "device parameters not found\n"); - rc = -ENODEV; - goto cleanup; - } else if (rc < 0) { - hid_err(hdev, "failed to get device parameters: %d\n", rc); - rc = -ENODEV; - goto cleanup; - } else if (rc != len) { - hid_err(hdev, "invalid device parameters\n"); - rc = -ENODEV; - goto cleanup; - } - - /* Extract device parameters */ - params[UCLOGIC_PH_ID_X_LM] = le16_to_cpu(buf[UCLOGIC_PRM_X_LM]); - params[UCLOGIC_PH_ID_Y_LM] = le16_to_cpu(buf[UCLOGIC_PRM_Y_LM]); - params[UCLOGIC_PH_ID_PRESSURE_LM] = - le16_to_cpu(buf[UCLOGIC_PRM_PRESSURE_LM]); - resolution = le16_to_cpu(buf[UCLOGIC_PRM_RESOLUTION]); - if (resolution == 0) { - params[UCLOGIC_PH_ID_X_PM] = 0; - params[UCLOGIC_PH_ID_Y_PM] = 0; - } else { - params[UCLOGIC_PH_ID_X_PM] = params[UCLOGIC_PH_ID_X_LM] * - 1000 / resolution; - params[UCLOGIC_PH_ID_Y_PM] = params[UCLOGIC_PH_ID_Y_LM] * - 1000 / resolution; - } + rdesc_ptr = kmemdup(template_ptr, template_size, GFP_KERNEL); + if (rdesc_ptr == NULL) + return NULL; - /* Allocate fixed report descriptor */ - drvdata->rdesc = devm_kzalloc(&hdev->dev, - sizeof(uclogic_tablet_rdesc_template), - GFP_KERNEL); - if (drvdata->rdesc == NULL) { - rc = -ENOMEM; - goto cleanup; - } - drvdata->rsize = sizeof(uclogic_tablet_rdesc_template); - - /* Format fixed report descriptor */ - memcpy(drvdata->rdesc, uclogic_tablet_rdesc_template, - drvdata->rsize); - for (p = drvdata->rdesc; - p <= drvdata->rdesc + drvdata->rsize - 4;) { - if (p[0] == 0xFE && p[1] == 0xED && p[2] == 0x1D && - p[3] < ARRAY_SIZE(params)) { - v = params[p[3]]; + for (p = rdesc_ptr; p + sizeof(head) < rdesc_ptr + template_size;) { + if (memcmp(p, head, sizeof(head)) == 0 && + p[sizeof(head)] < param_num) { + v = param_list[p[sizeof(head)]]; put_unaligned(cpu_to_le32(v), (s32 *)p); - p += 4; + p += sizeof(head) + 1; } else { p++; } } - rc = 0; - -cleanup: - kfree(buf); - return rc; + return rdesc_ptr; } - -/** - * Enable actual button mode. - * - * @hdev: HID device - */ -static int uclogic_button_enable(struct hid_device *hdev) -{ - int rc; - struct usb_device *usb_dev = hid_to_usb_dev(hdev); - struct uclogic_drvdata *drvdata = hid_get_drvdata(hdev); - char *str_buf; - size_t str_len = 16; - unsigned char *rdesc; - size_t rdesc_len; - - str_buf = kzalloc(str_len, GFP_KERNEL); - if (str_buf == NULL) { - rc = -ENOMEM; - goto cleanup; - } - - /* Enable abstract keyboard mode */ - rc = usb_string(usb_dev, 0x7b, str_buf, str_len); - if (rc == -EPIPE) { - hid_info(hdev, "button mode setting not found\n"); - rc = 0; - goto cleanup; - } else if (rc < 0) { - hid_err(hdev, "failed to enable abstract keyboard\n"); - goto cleanup; - } else if (strncmp(str_buf, "HK On", rc)) { - hid_info(hdev, "invalid answer when requesting buttons: '%s'\n", - str_buf); - rc = -EINVAL; - goto cleanup; - } - - /* Re-allocate fixed report descriptor */ - rdesc_len = drvdata->rsize + sizeof(uclogic_buttonpad_rdesc); - rdesc = devm_kzalloc(&hdev->dev, rdesc_len, GFP_KERNEL); - if (!rdesc) { - rc = -ENOMEM; - goto cleanup; - } - - memcpy(rdesc, drvdata->rdesc, drvdata->rsize); - - /* Append the buttonpad descriptor */ - memcpy(rdesc + drvdata->rsize, uclogic_buttonpad_rdesc, - sizeof(uclogic_buttonpad_rdesc)); - - /* clean up old rdesc and use the new one */ - drvdata->rsize = rdesc_len; - devm_kfree(&hdev->dev, drvdata->rdesc); - drvdata->rdesc = rdesc; - - rc = 0; - -cleanup: - kfree(str_buf); - return rc; -} - -static int uclogic_probe(struct hid_device *hdev, - const struct hid_device_id *id) -{ - int rc; - struct usb_interface *intf = to_usb_interface(hdev->dev.parent); - struct usb_device *udev = hid_to_usb_dev(hdev); - struct uclogic_drvdata *drvdata; - - /* - * libinput requires the pad interface to be on a different node - * than the pen, so use QUIRK_MULTI_INPUT for all tablets. - */ - hdev->quirks |= HID_QUIRK_MULTI_INPUT; - - /* Allocate and assign driver data */ - drvdata = devm_kzalloc(&hdev->dev, sizeof(*drvdata), GFP_KERNEL); - if (drvdata == NULL) - return -ENOMEM; - - hid_set_drvdata(hdev, drvdata); - - switch (id->product) { - case USB_DEVICE_ID_HUION_TABLET: - case USB_DEVICE_ID_YIYNOVA_TABLET: - case USB_DEVICE_ID_UGEE_TABLET_81: - case USB_DEVICE_ID_UCLOGIC_DRAWIMAGE_G3: - case USB_DEVICE_ID_UGEE_TABLET_45: - /* If this is the pen interface */ - if (intf->cur_altsetting->desc.bInterfaceNumber == 0) { - rc = uclogic_tablet_enable(hdev); - if (rc) { - hid_err(hdev, "tablet enabling failed\n"); - return rc; - } - drvdata->invert_pen_inrange = true; - - rc = uclogic_button_enable(hdev); - drvdata->has_virtual_pad_interface = !rc; - } else { - drvdata->ignore_pen_usage = true; - } - break; - case USB_DEVICE_ID_UGTIZER_TABLET_GP0610: - case USB_DEVICE_ID_UGEE_TABLET_EX07S: - /* If this is the pen interface */ - if (intf->cur_altsetting->desc.bInterfaceNumber == 1) { - rc = uclogic_tablet_enable(hdev); - if (rc) { - hid_err(hdev, "tablet enabling failed\n"); - return rc; - } - drvdata->invert_pen_inrange = true; - } else { - drvdata->ignore_pen_usage = true; - } - break; - case USB_DEVICE_ID_UCLOGIC_TABLET_TWHA60: - /* - * If it is the three-interface version, which is known to - * respond to initialization. - */ - if (udev->config->desc.bNumInterfaces == 3) { - /* If it is the pen interface */ - if (intf->cur_altsetting->desc.bInterfaceNumber == 0) { - rc = uclogic_tablet_enable(hdev); - if (rc) { - hid_err(hdev, "tablet enabling failed\n"); - return rc; - } - drvdata->invert_pen_inrange = true; - - rc = uclogic_button_enable(hdev); - drvdata->has_virtual_pad_interface = !rc; - } else { - drvdata->ignore_pen_usage = true; - } - } - break; - } - - rc = hid_parse(hdev); - if (rc) { - hid_err(hdev, "parse failed\n"); - return rc; - } - - rc = hid_hw_start(hdev, HID_CONNECT_DEFAULT); - if (rc) { - hid_err(hdev, "hw start failed\n"); - return rc; - } - - return 0; -} - -static int uclogic_raw_event(struct hid_device *hdev, struct hid_report *report, - u8 *data, int size) -{ - struct uclogic_drvdata *drvdata = hid_get_drvdata(hdev); - - if ((report->type == HID_INPUT_REPORT) && - (report->id == UCLOGIC_PEN_REPORT_ID) && - (size >= 2)) { - if (drvdata->has_virtual_pad_interface && (data[1] & 0x20)) - /* Change to virtual frame button report ID */ - data[0] = 0xf7; - else if (drvdata->invert_pen_inrange) - /* Invert the in-range bit */ - data[1] ^= 0x40; - } - - return 0; -} - -static const struct hid_device_id uclogic_devices[] = { - { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, - USB_DEVICE_ID_UCLOGIC_TABLET_PF1209) }, - { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, - USB_DEVICE_ID_UCLOGIC_TABLET_WP4030U) }, - { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, - USB_DEVICE_ID_UCLOGIC_TABLET_WP5540U) }, - { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, - USB_DEVICE_ID_UCLOGIC_TABLET_WP8060U) }, - { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, - USB_DEVICE_ID_UCLOGIC_TABLET_WP1062) }, - { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, - USB_DEVICE_ID_UCLOGIC_WIRELESS_TABLET_TWHL850) }, - { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, - USB_DEVICE_ID_UCLOGIC_TABLET_TWHA60) }, - { HID_USB_DEVICE(USB_VENDOR_ID_HUION, USB_DEVICE_ID_HUION_TABLET) }, - { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_HUION_TABLET) }, - { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_YIYNOVA_TABLET) }, - { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UGEE_TABLET_81) }, - { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UGEE_TABLET_45) }, - { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_DRAWIMAGE_G3) }, - { HID_USB_DEVICE(USB_VENDOR_ID_UGTIZER, USB_DEVICE_ID_UGTIZER_TABLET_GP0610) }, - { HID_USB_DEVICE(USB_VENDOR_ID_UGEE, USB_DEVICE_ID_UGEE_TABLET_EX07S) }, - { } -}; -MODULE_DEVICE_TABLE(hid, uclogic_devices); - -static struct hid_driver uclogic_driver = { - .name = "uclogic", - .id_table = uclogic_devices, - .probe = uclogic_probe, - .report_fixup = uclogic_report_fixup, - .raw_event = uclogic_raw_event, - .input_mapping = uclogic_input_mapping, - .input_configured = uclogic_input_configured, -}; -module_hid_driver(uclogic_driver); - -MODULE_AUTHOR("Martin Rusko"); -MODULE_AUTHOR("Nikolai Kondrashov"); -MODULE_LICENSE("GPL"); diff --git a/drivers/hid/hid-uclogic-rdesc.h b/drivers/hid/hid-uclogic-rdesc.h new file mode 100644 index 000000000000..c5da51055af3 --- /dev/null +++ b/drivers/hid/hid-uclogic-rdesc.h @@ -0,0 +1,155 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * HID driver for UC-Logic devices not fully compliant with HID standard + * - original and fixed report descriptors + * + * Copyright (c) 2010-2018 Nikolai Kondrashov + * Copyright (c) 2013 Martin Rusko + */ + +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + */ + +#ifndef _HID_UCLOGIC_RDESC_H +#define _HID_UCLOGIC_RDESC_H + +#include <linux/usb.h> + +/* Size of the original descriptor of WPXXXXU tablets */ +#define UCLOGIC_RDESC_WPXXXXU_ORIG_SIZE 212 + +/* Fixed WP4030U report descriptor */ +extern __u8 uclogic_rdesc_wp4030u_fixed_arr[]; +extern const size_t uclogic_rdesc_wp4030u_fixed_size; + +/* Fixed WP5540U report descriptor */ +extern __u8 uclogic_rdesc_wp5540u_fixed_arr[]; +extern const size_t uclogic_rdesc_wp5540u_fixed_size; + +/* Fixed WP8060U report descriptor */ +extern __u8 uclogic_rdesc_wp8060u_fixed_arr[]; +extern const size_t uclogic_rdesc_wp8060u_fixed_size; + +/* Size of the original descriptor of the new WP5540U tablet */ +#define UCLOGIC_RDESC_WP5540U_V2_ORIG_SIZE 232 + +/* Size of the original descriptor of WP1062 tablet */ +#define UCLOGIC_RDESC_WP1062_ORIG_SIZE 254 + +/* Fixed WP1062 report descriptor */ +extern __u8 uclogic_rdesc_wp1062_fixed_arr[]; +extern const size_t uclogic_rdesc_wp1062_fixed_size; + +/* Size of the original descriptor of PF1209 tablet */ +#define UCLOGIC_RDESC_PF1209_ORIG_SIZE 234 + +/* Fixed PF1209 report descriptor */ +extern __u8 uclogic_rdesc_pf1209_fixed_arr[]; +extern const size_t uclogic_rdesc_pf1209_fixed_size; + +/* Size of the original descriptors of TWHL850 tablet */ +#define UCLOGIC_RDESC_TWHL850_ORIG0_SIZE 182 +#define UCLOGIC_RDESC_TWHL850_ORIG1_SIZE 161 +#define UCLOGIC_RDESC_TWHL850_ORIG2_SIZE 92 + +/* Fixed PID 0522 tablet report descriptor, interface 0 (stylus) */ +extern __u8 uclogic_rdesc_twhl850_fixed0_arr[]; +extern const size_t uclogic_rdesc_twhl850_fixed0_size; + +/* Fixed PID 0522 tablet report descriptor, interface 1 (mouse) */ +extern __u8 uclogic_rdesc_twhl850_fixed1_arr[]; +extern const size_t uclogic_rdesc_twhl850_fixed1_size; + +/* Fixed PID 0522 tablet report descriptor, interface 2 (frame buttons) */ +extern __u8 uclogic_rdesc_twhl850_fixed2_arr[]; +extern const size_t uclogic_rdesc_twhl850_fixed2_size; + +/* Size of the original descriptors of TWHA60 tablet */ +#define UCLOGIC_RDESC_TWHA60_ORIG0_SIZE 254 +#define UCLOGIC_RDESC_TWHA60_ORIG1_SIZE 139 + +/* Fixed TWHA60 report descriptor, interface 0 (stylus) */ +extern __u8 uclogic_rdesc_twha60_fixed0_arr[]; +extern const size_t uclogic_rdesc_twha60_fixed0_size; + +/* Fixed TWHA60 report descriptor, interface 1 (frame buttons) */ +extern __u8 uclogic_rdesc_twha60_fixed1_arr[]; +extern const size_t uclogic_rdesc_twha60_fixed1_size; + +/* Report descriptor template placeholder head */ +#define UCLOGIC_RDESC_PH_HEAD 0xFE, 0xED, 0x1D + +/* Apply report descriptor parameters to a report descriptor template */ +extern __u8 *uclogic_rdesc_template_apply(const __u8 *template_ptr, + size_t template_size, + const s32 *param_list, + size_t param_num); + +/* Pen report descriptor template placeholder IDs */ +enum uclogic_rdesc_pen_ph_id { + UCLOGIC_RDESC_PEN_PH_ID_X_LM, + UCLOGIC_RDESC_PEN_PH_ID_X_PM, + UCLOGIC_RDESC_PEN_PH_ID_Y_LM, + UCLOGIC_RDESC_PEN_PH_ID_Y_PM, + UCLOGIC_RDESC_PEN_PH_ID_PRESSURE_LM, + UCLOGIC_RDESC_PEN_PH_ID_NUM +}; + +/* Report descriptor pen template placeholder */ +#define UCLOGIC_RDESC_PEN_PH(_ID) \ + UCLOGIC_RDESC_PH_HEAD, UCLOGIC_RDESC_PEN_PH_ID_##_ID + +/* Report ID for v1 pen reports */ +#define UCLOGIC_RDESC_PEN_V1_ID 0x07 + +/* Fixed report descriptor template for (tweaked) v1 pen reports */ +extern const __u8 uclogic_rdesc_pen_v1_template_arr[]; +extern const size_t uclogic_rdesc_pen_v1_template_size; + +/* Report ID for v2 pen reports */ +#define UCLOGIC_RDESC_PEN_V2_ID 0x08 + +/* Fixed report descriptor template for (tweaked) v2 pen reports */ +extern const __u8 uclogic_rdesc_pen_v2_template_arr[]; +extern const size_t uclogic_rdesc_pen_v2_template_size; + +/* Fixed report descriptor for (tweaked) v1 buttonpad reports */ +extern const __u8 uclogic_rdesc_buttonpad_v1_arr[]; +extern const size_t uclogic_rdesc_buttonpad_v1_size; + +/* Report ID for tweaked v1 buttonpad reports */ +#define UCLOGIC_RDESC_BUTTONPAD_V1_ID 0xf7 + +/* Fixed report descriptor for (tweaked) v2 buttonpad reports */ +extern const __u8 uclogic_rdesc_buttonpad_v2_arr[]; +extern const size_t uclogic_rdesc_buttonpad_v2_size; + +/* Report ID for tweaked v2 buttonpad reports */ +#define UCLOGIC_RDESC_BUTTONPAD_V2_ID 0xf7 + +/* Fixed report descriptor for Ugee EX07 buttonpad */ +extern const __u8 uclogic_rdesc_ugee_ex07_buttonpad_arr[]; +extern const size_t uclogic_rdesc_ugee_ex07_buttonpad_size; + +/* Fixed report descriptor for XP-Pen Deco 01 frame controls */ +extern const __u8 uclogic_rdesc_xppen_deco01_frame_arr[]; +extern const size_t uclogic_rdesc_xppen_deco01_frame_size; + +/* Fixed report descriptor for Ugee G5 frame controls */ +extern const __u8 uclogic_rdesc_ugee_g5_frame_arr[]; +extern const size_t uclogic_rdesc_ugee_g5_frame_size; + +/* Report ID of Ugee G5 frame control reports */ +#define UCLOGIC_RDESC_UGEE_G5_FRAME_ID 0x06 + +/* Device ID byte offset in Ugee G5 frame report */ +#define UCLOGIC_RDESC_UGEE_G5_FRAME_DEV_ID_BYTE 0x2 + +/* Least-significant bit of Ugee G5 frame rotary encoder state */ +#define UCLOGIC_RDESC_UGEE_G5_FRAME_RE_LSB 38 + +#endif /* _HID_UCLOGIC_RDESC_H */ diff --git a/drivers/hid/hid-viewsonic.c b/drivers/hid/hid-viewsonic.c new file mode 100644 index 000000000000..df60c8fc2efd --- /dev/null +++ b/drivers/hid/hid-viewsonic.c @@ -0,0 +1,105 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * HID driver for ViewSonic devices not fully compliant with HID standard + * + * Copyright (c) 2017 Nikolai Kondrashov + */ + +/* + * 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 <linux/device.h> +#include <linux/hid.h> +#include <linux/module.h> + +#include "hid-ids.h" + +/* Size of the original descriptor of PD1011 signature pad */ +#define PD1011_RDESC_ORIG_SIZE 408 + +/* Fixed report descriptor of PD1011 signature pad */ +static __u8 pd1011_rdesc_fixed[] = { + 0x05, 0x0D, /* Usage Page (Digitizer), */ + 0x09, 0x02, /* Usage (Pen), */ + 0xA1, 0x01, /* Collection (Application), */ + 0x85, 0x02, /* Report ID (2), */ + 0x09, 0x20, /* Usage (Stylus), */ + 0xA0, /* Collection (Physical), */ + 0x75, 0x10, /* Report Size (16), */ + 0x95, 0x01, /* Report Count (1), */ + 0xA4, /* Push, */ + 0x05, 0x01, /* Usage Page (Desktop), */ + 0x65, 0x13, /* Unit (Inch), */ + 0x55, 0xFD, /* Unit Exponent (-3), */ + 0x34, /* Physical Minimum (0), */ + 0x09, 0x30, /* Usage (X), */ + 0x46, 0x5D, 0x21, /* Physical Maximum (8541), */ + 0x27, 0x80, 0xA9, + 0x00, 0x00, /* Logical Maximum (43392), */ + 0x81, 0x02, /* Input (Variable), */ + 0x09, 0x31, /* Usage (Y), */ + 0x46, 0xDA, 0x14, /* Physical Maximum (5338), */ + 0x26, 0xF0, 0x69, /* Logical Maximum (27120), */ + 0x81, 0x02, /* Input (Variable), */ + 0xB4, /* Pop, */ + 0x14, /* Logical Minimum (0), */ + 0x25, 0x01, /* Logical Maximum (1), */ + 0x75, 0x01, /* Report Size (1), */ + 0x95, 0x01, /* Report Count (1), */ + 0x81, 0x03, /* Input (Constant, Variable), */ + 0x09, 0x32, /* Usage (In Range), */ + 0x09, 0x42, /* Usage (Tip Switch), */ + 0x95, 0x02, /* Report Count (2), */ + 0x81, 0x02, /* Input (Variable), */ + 0x95, 0x05, /* Report Count (5), */ + 0x81, 0x03, /* Input (Constant, Variable), */ + 0x75, 0x10, /* Report Size (16), */ + 0x95, 0x01, /* Report Count (1), */ + 0x09, 0x30, /* Usage (Tip Pressure), */ + 0x15, 0x05, /* Logical Minimum (5), */ + 0x26, 0xFF, 0x07, /* Logical Maximum (2047), */ + 0x81, 0x02, /* Input (Variable), */ + 0x75, 0x10, /* Report Size (16), */ + 0x95, 0x01, /* Report Count (1), */ + 0x81, 0x03, /* Input (Constant, Variable), */ + 0xC0, /* End Collection, */ + 0xC0 /* End Collection */ +}; + +static __u8 *viewsonic_report_fixup(struct hid_device *hdev, __u8 *rdesc, + unsigned int *rsize) +{ + switch (hdev->product) { + case USB_DEVICE_ID_VIEWSONIC_PD1011: + case USB_DEVICE_ID_SIGNOTEC_VIEWSONIC_PD1011: + if (*rsize == PD1011_RDESC_ORIG_SIZE) { + rdesc = pd1011_rdesc_fixed; + *rsize = sizeof(pd1011_rdesc_fixed); + } + break; + } + + return rdesc; +} + +static const struct hid_device_id viewsonic_devices[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_VIEWSONIC, + USB_DEVICE_ID_VIEWSONIC_PD1011) }, + { HID_USB_DEVICE(USB_VENDOR_ID_SIGNOTEC, + USB_DEVICE_ID_SIGNOTEC_VIEWSONIC_PD1011) }, + { } +}; +MODULE_DEVICE_TABLE(hid, viewsonic_devices); + +static struct hid_driver viewsonic_driver = { + .name = "viewsonic", + .id_table = viewsonic_devices, + .report_fixup = viewsonic_report_fixup, +}; +module_hid_driver(viewsonic_driver); + +MODULE_LICENSE("GPL"); diff --git a/drivers/hid/i2c-hid/i2c-hid-core.c b/drivers/hid/i2c-hid/i2c-hid-core.c index 8555ce7e737b..90164fed08d3 100644 --- a/drivers/hid/i2c-hid/i2c-hid-core.c +++ b/drivers/hid/i2c-hid/i2c-hid-core.c @@ -50,6 +50,7 @@ #define I2C_HID_QUIRK_NO_IRQ_AFTER_RESET BIT(1) #define I2C_HID_QUIRK_NO_RUNTIME_PM BIT(2) #define I2C_HID_QUIRK_DELAY_AFTER_SLEEP BIT(3) +#define I2C_HID_QUIRK_BOGUS_IRQ BIT(4) /* flags */ #define I2C_HID_STARTED 0 @@ -179,6 +180,10 @@ static const struct i2c_hid_quirks { I2C_HID_QUIRK_DELAY_AFTER_SLEEP }, { USB_VENDOR_ID_LG, I2C_DEVICE_ID_LG_8001, I2C_HID_QUIRK_NO_RUNTIME_PM }, + { I2C_VENDOR_ID_GOODIX, I2C_DEVICE_ID_GOODIX_01F0, + I2C_HID_QUIRK_NO_RUNTIME_PM }, + { USB_VENDOR_ID_ELAN, HID_ANY_ID, + I2C_HID_QUIRK_BOGUS_IRQ }, { 0, 0 } }; @@ -503,6 +508,12 @@ static void i2c_hid_get_input(struct i2c_hid *ihid) return; } + if (ihid->quirks & I2C_HID_QUIRK_BOGUS_IRQ && ret_size == 0xffff) { + dev_warn_once(&ihid->client->dev, "%s: IRQ triggered but " + "there's no data\n", __func__); + return; + } + if ((ret_size > size) || (ret_size < 2)) { dev_err(&ihid->client->dev, "%s: incomplete report (%d/%d)\n", __func__, size, ret_size); diff --git a/drivers/hid/intel-ish-hid/ipc/ipc.c b/drivers/hid/intel-ish-hid/ipc/ipc.c index 742191bb24c6..96e869118db3 100644 --- a/drivers/hid/intel-ish-hid/ipc/ipc.c +++ b/drivers/hid/intel-ish-hid/ipc/ipc.c @@ -91,7 +91,10 @@ static bool check_generated_interrupt(struct ishtp_device *dev) IPC_INT_FROM_ISH_TO_HOST_CHV_AB(pisr_val); } else { pisr_val = ish_reg_read(dev, IPC_REG_PISR_BXT); - interrupt_generated = IPC_INT_FROM_ISH_TO_HOST_BXT(pisr_val); + interrupt_generated = !!pisr_val; + /* only busy-clear bit is RW, others are RO */ + if (pisr_val) + ish_reg_write(dev, IPC_REG_PISR_BXT, pisr_val); } return interrupt_generated; @@ -256,33 +259,22 @@ static int write_ipc_from_queue(struct ishtp_device *dev) int i; void (*ipc_send_compl)(void *); void *ipc_send_compl_prm; - static int out_ipc_locked; - unsigned long out_ipc_flags; if (dev->dev_state == ISHTP_DEV_DISABLED) - return -EINVAL; + return -EINVAL; - spin_lock_irqsave(&dev->out_ipc_spinlock, out_ipc_flags); - if (out_ipc_locked) { - spin_unlock_irqrestore(&dev->out_ipc_spinlock, out_ipc_flags); - return -EBUSY; - } - out_ipc_locked = 1; + spin_lock_irqsave(&dev->wr_processing_spinlock, flags); if (!ish_is_input_ready(dev)) { - out_ipc_locked = 0; - spin_unlock_irqrestore(&dev->out_ipc_spinlock, out_ipc_flags); + spin_unlock_irqrestore(&dev->wr_processing_spinlock, flags); return -EBUSY; } - spin_unlock_irqrestore(&dev->out_ipc_spinlock, out_ipc_flags); - spin_lock_irqsave(&dev->wr_processing_spinlock, flags); /* * if tx send list is empty - return 0; * may happen, as RX_COMPLETE handler doesn't check list emptiness. */ if (list_empty(&dev->wr_processing_list)) { spin_unlock_irqrestore(&dev->wr_processing_spinlock, flags); - out_ipc_locked = 0; return 0; } @@ -325,6 +317,8 @@ static int write_ipc_from_queue(struct ishtp_device *dev) memcpy(®, &r_buf[length >> 2], rem); ish_reg_write(dev, reg_addr, reg); } + ish_reg_write(dev, IPC_REG_HOST2ISH_DRBL, doorbell_val); + /* Flush writes to msg registers and doorbell */ ish_reg_read(dev, IPC_REG_ISH_HOST_FWSTS); @@ -332,9 +326,6 @@ static int write_ipc_from_queue(struct ishtp_device *dev) ++dev->ipc_tx_cnt; dev->ipc_tx_bytes_cnt += IPC_HEADER_GET_LENGTH(doorbell_val); - ish_reg_write(dev, IPC_REG_HOST2ISH_DRBL, doorbell_val); - out_ipc_locked = 0; - ipc_send_compl = ipc_link->ipc_send_compl; ipc_send_compl_prm = ipc_link->ipc_send_compl_prm; list_del_init(&ipc_link->link); @@ -839,11 +830,11 @@ int ish_hw_start(struct ishtp_device *dev) { ish_set_host_rdy(dev); + set_host_ready(dev); + /* After that we can enable ISH DMA operation and wakeup ISHFW */ ish_wakeup(dev); - set_host_ready(dev); - /* wait for FW-initiated reset flow */ if (!dev->recvd_hw_ready) wait_event_interruptible_timeout(dev->wait_hw_ready, @@ -914,7 +905,6 @@ struct ishtp_device *ish_dev_init(struct pci_dev *pdev) init_waitqueue_head(&dev->wait_hw_ready); spin_lock_init(&dev->wr_processing_spinlock); - spin_lock_init(&dev->out_ipc_spinlock); /* Init IPC processing and free lists */ INIT_LIST_HEAD(&dev->wr_processing_list); diff --git a/drivers/hid/intel-ish-hid/ishtp-hid-client.c b/drivers/hid/intel-ish-hid/ishtp-hid-client.c index e64243bc9c96..30fe0c5e6fad 100644 --- a/drivers/hid/intel-ish-hid/ishtp-hid-client.c +++ b/drivers/hid/intel-ish-hid/ishtp-hid-client.c @@ -788,8 +788,8 @@ static int hid_ishtp_cl_probe(struct ishtp_cl_device *cl_device) if (!cl_device) return -ENODEV; - if (uuid_le_cmp(hid_ishtp_guid, - cl_device->fw_client->props.protocol_name) != 0) + if (!guid_equal(&hid_ishtp_guid, + &cl_device->fw_client->props.protocol_name)) return -ENODEV; client_data = devm_kzalloc(&cl_device->dev, sizeof(*client_data), diff --git a/drivers/hid/intel-ish-hid/ishtp-hid.c b/drivers/hid/intel-ish-hid/ishtp-hid.c index e918d78e541c..bc4c536f3c0d 100644 --- a/drivers/hid/intel-ish-hid/ishtp-hid.c +++ b/drivers/hid/intel-ish-hid/ishtp-hid.c @@ -206,8 +206,8 @@ int ishtp_hid_probe(unsigned int cur_hid_dev, hid->bus = BUS_INTEL_ISHTP; hid->dev.parent = &client_data->cl_device->dev; hid->version = le16_to_cpu(ISH_HID_VERSION); - hid->vendor = le16_to_cpu(ISH_HID_VENDOR); - hid->product = le16_to_cpu(ISH_HID_PRODUCT); + hid->vendor = le16_to_cpu(client_data->hid_devices[cur_hid_dev].vid); + hid->product = le16_to_cpu(client_data->hid_devices[cur_hid_dev].pid); snprintf(hid->name, sizeof(hid->name), "%s %04X:%04X", "hid-ishtp", hid->vendor, hid->product); diff --git a/drivers/hid/intel-ish-hid/ishtp-hid.h b/drivers/hid/intel-ish-hid/ishtp-hid.h index f5c7eb79b7b5..1cd07a441cd4 100644 --- a/drivers/hid/intel-ish-hid/ishtp-hid.h +++ b/drivers/hid/intel-ish-hid/ishtp-hid.h @@ -29,9 +29,9 @@ client->cl_device->ishtp_dev, __VA_ARGS__) /* ISH Transport protocol (ISHTP in short) GUID */ -static const uuid_le hid_ishtp_guid = UUID_LE(0x33AECD58, 0xB679, 0x4E54, - 0x9B, 0xD9, 0xA0, 0x4D, 0x34, - 0xF0, 0xC2, 0x26); +static const guid_t hid_ishtp_guid = + GUID_INIT(0x33AECD58, 0xB679, 0x4E54, + 0x9B, 0xD9, 0xA0, 0x4D, 0x34, 0xF0, 0xC2, 0x26); /* ISH HID message structure */ struct hostif_msg_hdr { diff --git a/drivers/hid/intel-ish-hid/ishtp/bus.c b/drivers/hid/intel-ish-hid/ishtp/bus.c index 728dc6d4561a..d5f4b6438d86 100644 --- a/drivers/hid/intel-ish-hid/ishtp/bus.c +++ b/drivers/hid/intel-ish-hid/ishtp/bus.c @@ -119,7 +119,7 @@ int ishtp_send_msg(struct ishtp_device *dev, struct ishtp_msg_hdr *hdr, * Return: This returns IPC send message status. */ int ishtp_write_message(struct ishtp_device *dev, struct ishtp_msg_hdr *hdr, - unsigned char *buf) + void *buf) { return ishtp_send_msg(dev, hdr, buf, NULL, NULL); } @@ -133,18 +133,15 @@ int ishtp_write_message(struct ishtp_device *dev, struct ishtp_msg_hdr *hdr, * * Return: fw client index or -ENOENT if not found */ -int ishtp_fw_cl_by_uuid(struct ishtp_device *dev, const uuid_le *uuid) +int ishtp_fw_cl_by_uuid(struct ishtp_device *dev, const guid_t *uuid) { - int i, res = -ENOENT; + unsigned int i; for (i = 0; i < dev->fw_clients_num; ++i) { - if (uuid_le_cmp(*uuid, dev->fw_clients[i].props.protocol_name) - == 0) { - res = i; - break; - } + if (guid_equal(uuid, &dev->fw_clients[i].props.protocol_name)) + return i; } - return res; + return -ENOENT; } EXPORT_SYMBOL(ishtp_fw_cl_by_uuid); @@ -158,7 +155,7 @@ EXPORT_SYMBOL(ishtp_fw_cl_by_uuid); * Return: pointer of client information on success, NULL on failure. */ struct ishtp_fw_client *ishtp_fw_cl_get_client(struct ishtp_device *dev, - const uuid_le *uuid) + const guid_t *uuid) { int i; unsigned long flags; @@ -401,7 +398,7 @@ static const struct device_type ishtp_cl_device_type = { * Return: ishtp_cl_device pointer or NULL on failure */ static struct ishtp_cl_device *ishtp_bus_add_device(struct ishtp_device *dev, - uuid_le uuid, char *name) + guid_t uuid, char *name) { struct ishtp_cl_device *device; int status; @@ -629,7 +626,7 @@ int ishtp_bus_new_client(struct ishtp_device *dev) int i; char *dev_name; struct ishtp_cl_device *cl_device; - uuid_le device_uuid; + guid_t device_uuid; /* * For all reported clients, create an unconnected client and add its @@ -639,7 +636,7 @@ int ishtp_bus_new_client(struct ishtp_device *dev) */ i = dev->fw_client_presentation_num - 1; device_uuid = dev->fw_clients[i].props.protocol_name; - dev_name = kasprintf(GFP_KERNEL, "{%pUL}", device_uuid.b); + dev_name = kasprintf(GFP_KERNEL, "{%pUL}", &device_uuid); if (!dev_name) return -ENOMEM; @@ -675,7 +672,8 @@ int ishtp_cl_device_bind(struct ishtp_cl *cl) spin_lock_irqsave(&cl->dev->device_list_lock, flags); list_for_each_entry(cl_device, &cl->dev->device_list, device_link) { - if (cl_device->fw_client->client_id == cl->fw_client_id) { + if (cl_device->fw_client && + cl_device->fw_client->client_id == cl->fw_client_id) { cl->device = cl_device; rv = 0; break; @@ -735,6 +733,7 @@ void ishtp_bus_remove_all_clients(struct ishtp_device *ishtp_dev, spin_lock_irqsave(&ishtp_dev->device_list_lock, flags); list_for_each_entry_safe(cl_device, n, &ishtp_dev->device_list, device_link) { + cl_device->fw_client = NULL; if (warm_reset && cl_device->reference_count) continue; diff --git a/drivers/hid/intel-ish-hid/ishtp/bus.h b/drivers/hid/intel-ish-hid/ishtp/bus.h index b8a5bcc82536..4cf7ad586c37 100644 --- a/drivers/hid/intel-ish-hid/ishtp/bus.h +++ b/drivers/hid/intel-ish-hid/ishtp/bus.h @@ -85,7 +85,7 @@ int ishtp_send_msg(struct ishtp_device *dev, /* Write a single-fragment message */ int ishtp_write_message(struct ishtp_device *dev, struct ishtp_msg_hdr *hdr, - unsigned char *buf); + void *buf); /* Use DMA to send/receive messages */ int ishtp_use_dma_transfer(void); @@ -112,8 +112,8 @@ void ishtp_cl_driver_unregister(struct ishtp_cl_driver *driver); int ishtp_register_event_cb(struct ishtp_cl_device *device, void (*read_cb)(struct ishtp_cl_device *)); -int ishtp_fw_cl_by_uuid(struct ishtp_device *dev, const uuid_le *cuuid); +int ishtp_fw_cl_by_uuid(struct ishtp_device *dev, const guid_t *cuuid); struct ishtp_fw_client *ishtp_fw_cl_get_client(struct ishtp_device *dev, - const uuid_le *uuid); + const guid_t *uuid); #endif /* _LINUX_ISHTP_CL_BUS_H */ diff --git a/drivers/hid/intel-ish-hid/ishtp/client.h b/drivers/hid/intel-ish-hid/ishtp/client.h index 042f4c4853b1..e0df3eb611e6 100644 --- a/drivers/hid/intel-ish-hid/ishtp/client.h +++ b/drivers/hid/intel-ish-hid/ishtp/client.h @@ -126,7 +126,7 @@ struct ishtp_cl { }; /* Client connection managenment internal functions */ -int ishtp_can_client_connect(struct ishtp_device *ishtp_dev, uuid_le *uuid); +int ishtp_can_client_connect(struct ishtp_device *ishtp_dev, guid_t *uuid); int ishtp_fw_cl_by_id(struct ishtp_device *dev, uint8_t client_id); void ishtp_cl_send_msg(struct ishtp_device *dev, struct ishtp_cl *cl); void recv_ishtp_cl_msg(struct ishtp_device *dev, diff --git a/drivers/hid/intel-ish-hid/ishtp/hbm.c b/drivers/hid/intel-ish-hid/ishtp/hbm.c index 8b5dd580ceec..d0b847c86935 100644 --- a/drivers/hid/intel-ish-hid/ishtp/hbm.c +++ b/drivers/hid/intel-ish-hid/ishtp/hbm.c @@ -136,19 +136,14 @@ int ishtp_hbm_start_wait(struct ishtp_device *dev) int ishtp_hbm_start_req(struct ishtp_device *dev) { struct ishtp_msg_hdr hdr; - unsigned char data[128]; - struct ishtp_msg_hdr *ishtp_hdr = &hdr; - struct hbm_host_version_request *start_req; - const size_t len = sizeof(struct hbm_host_version_request); + struct hbm_host_version_request start_req = { 0 }; - ishtp_hbm_hdr(ishtp_hdr, len); + ishtp_hbm_hdr(&hdr, sizeof(start_req)); /* host start message */ - start_req = (struct hbm_host_version_request *)data; - memset(start_req, 0, len); - start_req->hbm_cmd = HOST_START_REQ_CMD; - start_req->host_version.major_version = HBM_MAJOR_VERSION; - start_req->host_version.minor_version = HBM_MINOR_VERSION; + start_req.hbm_cmd = HOST_START_REQ_CMD; + start_req.host_version.major_version = HBM_MAJOR_VERSION; + start_req.host_version.minor_version = HBM_MINOR_VERSION; /* * (!) Response to HBM start may be so quick that this thread would get @@ -156,7 +151,7 @@ int ishtp_hbm_start_req(struct ishtp_device *dev) * So set it at first, change back to ISHTP_HBM_IDLE upon failure */ dev->hbm_state = ISHTP_HBM_START; - if (ishtp_write_message(dev, ishtp_hdr, data)) { + if (ishtp_write_message(dev, &hdr, &start_req)) { dev_err(dev->devc, "version message send failed\n"); dev->dev_state = ISHTP_DEV_RESETTING; dev->hbm_state = ISHTP_HBM_IDLE; @@ -178,19 +173,13 @@ int ishtp_hbm_start_req(struct ishtp_device *dev) void ishtp_hbm_enum_clients_req(struct ishtp_device *dev) { struct ishtp_msg_hdr hdr; - unsigned char data[128]; - struct ishtp_msg_hdr *ishtp_hdr = &hdr; - struct hbm_host_enum_request *enum_req; - const size_t len = sizeof(struct hbm_host_enum_request); + struct hbm_host_enum_request enum_req = { 0 }; /* enumerate clients */ - ishtp_hbm_hdr(ishtp_hdr, len); + ishtp_hbm_hdr(&hdr, sizeof(enum_req)); + enum_req.hbm_cmd = HOST_ENUM_REQ_CMD; - enum_req = (struct hbm_host_enum_request *)data; - memset(enum_req, 0, len); - enum_req->hbm_cmd = HOST_ENUM_REQ_CMD; - - if (ishtp_write_message(dev, ishtp_hdr, data)) { + if (ishtp_write_message(dev, &hdr, &enum_req)) { dev->dev_state = ISHTP_DEV_RESETTING; dev_err(dev->devc, "enumeration request send failed\n"); ish_hw_reset(dev); @@ -208,12 +197,8 @@ void ishtp_hbm_enum_clients_req(struct ishtp_device *dev) */ static int ishtp_hbm_prop_req(struct ishtp_device *dev) { - struct ishtp_msg_hdr hdr; - unsigned char data[128]; - struct ishtp_msg_hdr *ishtp_hdr = &hdr; - struct hbm_props_request *prop_req; - const size_t len = sizeof(struct hbm_props_request); + struct hbm_props_request prop_req = { 0 }; unsigned long next_client_index; uint8_t client_num; @@ -237,15 +222,12 @@ static int ishtp_hbm_prop_req(struct ishtp_device *dev) dev->fw_clients[client_num].client_id = next_client_index; - ishtp_hbm_hdr(ishtp_hdr, len); - prop_req = (struct hbm_props_request *)data; + ishtp_hbm_hdr(&hdr, sizeof(prop_req)); - memset(prop_req, 0, sizeof(struct hbm_props_request)); + prop_req.hbm_cmd = HOST_CLIENT_PROPERTIES_REQ_CMD; + prop_req.address = next_client_index; - prop_req->hbm_cmd = HOST_CLIENT_PROPERTIES_REQ_CMD; - prop_req->address = next_client_index; - - if (ishtp_write_message(dev, ishtp_hdr, data)) { + if (ishtp_write_message(dev, &hdr, &prop_req)) { dev->dev_state = ISHTP_DEV_RESETTING; dev_err(dev->devc, "properties request send failed\n"); ish_hw_reset(dev); @@ -266,19 +248,14 @@ static int ishtp_hbm_prop_req(struct ishtp_device *dev) static void ishtp_hbm_stop_req(struct ishtp_device *dev) { struct ishtp_msg_hdr hdr; - unsigned char data[128]; - struct ishtp_msg_hdr *ishtp_hdr = &hdr; - struct hbm_host_stop_request *req; - const size_t len = sizeof(struct hbm_host_stop_request); + struct hbm_host_stop_request stop_req = { 0 } ; - ishtp_hbm_hdr(ishtp_hdr, len); - req = (struct hbm_host_stop_request *)data; + ishtp_hbm_hdr(&hdr, sizeof(stop_req)); - memset(req, 0, sizeof(struct hbm_host_stop_request)); - req->hbm_cmd = HOST_STOP_REQ_CMD; - req->reason = DRIVER_STOP_REQUEST; + stop_req.hbm_cmd = HOST_STOP_REQ_CMD; + stop_req.reason = DRIVER_STOP_REQUEST; - ishtp_write_message(dev, ishtp_hdr, data); + ishtp_write_message(dev, &hdr, &stop_req); } /** @@ -294,15 +271,15 @@ int ishtp_hbm_cl_flow_control_req(struct ishtp_device *dev, struct ishtp_cl *cl) { struct ishtp_msg_hdr hdr; - unsigned char data[128]; - struct ishtp_msg_hdr *ishtp_hdr = &hdr; - const size_t len = sizeof(struct hbm_flow_control); + struct hbm_flow_control flow_ctrl; + const size_t len = sizeof(flow_ctrl); int rv; unsigned long flags; spin_lock_irqsave(&cl->fc_spinlock, flags); - ishtp_hbm_hdr(ishtp_hdr, len); - ishtp_hbm_cl_hdr(cl, ISHTP_FLOW_CONTROL_CMD, data, len); + + ishtp_hbm_hdr(&hdr, len); + ishtp_hbm_cl_hdr(cl, ISHTP_FLOW_CONTROL_CMD, &flow_ctrl, len); /* * Sync possible race when RB recycle and packet receive paths @@ -315,7 +292,7 @@ int ishtp_hbm_cl_flow_control_req(struct ishtp_device *dev, cl->recv_msg_num_frags = 0; - rv = ishtp_write_message(dev, ishtp_hdr, data); + rv = ishtp_write_message(dev, &hdr, &flow_ctrl); if (!rv) { ++cl->out_flow_ctrl_creds; ++cl->out_flow_ctrl_cnt; @@ -345,14 +322,13 @@ int ishtp_hbm_cl_flow_control_req(struct ishtp_device *dev, int ishtp_hbm_cl_disconnect_req(struct ishtp_device *dev, struct ishtp_cl *cl) { struct ishtp_msg_hdr hdr; - unsigned char data[128]; - struct ishtp_msg_hdr *ishtp_hdr = &hdr; - const size_t len = sizeof(struct hbm_client_connect_request); + struct hbm_client_connect_request disconn_req; + const size_t len = sizeof(disconn_req); - ishtp_hbm_hdr(ishtp_hdr, len); - ishtp_hbm_cl_hdr(cl, CLIENT_DISCONNECT_REQ_CMD, data, len); + ishtp_hbm_hdr(&hdr, len); + ishtp_hbm_cl_hdr(cl, CLIENT_DISCONNECT_REQ_CMD, &disconn_req, len); - return ishtp_write_message(dev, ishtp_hdr, data); + return ishtp_write_message(dev, &hdr, &disconn_req); } /** @@ -391,14 +367,13 @@ static void ishtp_hbm_cl_disconnect_res(struct ishtp_device *dev, int ishtp_hbm_cl_connect_req(struct ishtp_device *dev, struct ishtp_cl *cl) { struct ishtp_msg_hdr hdr; - unsigned char data[128]; - struct ishtp_msg_hdr *ishtp_hdr = &hdr; - const size_t len = sizeof(struct hbm_client_connect_request); + struct hbm_client_connect_request conn_req; + const size_t len = sizeof(conn_req); - ishtp_hbm_hdr(ishtp_hdr, len); - ishtp_hbm_cl_hdr(cl, CLIENT_CONNECT_REQ_CMD, data, len); + ishtp_hbm_hdr(&hdr, len); + ishtp_hbm_cl_hdr(cl, CLIENT_CONNECT_REQ_CMD, &conn_req, len); - return ishtp_write_message(dev, ishtp_hdr, data); + return ishtp_write_message(dev, &hdr, &conn_req); } /** diff --git a/drivers/hid/intel-ish-hid/ishtp/hbm.h b/drivers/hid/intel-ish-hid/ishtp/hbm.h index d96111cef7f8..7286e3600140 100644 --- a/drivers/hid/intel-ish-hid/ishtp/hbm.h +++ b/drivers/hid/intel-ish-hid/ishtp/hbm.h @@ -149,7 +149,7 @@ struct hbm_host_enum_response { } __packed; struct ishtp_client_properties { - uuid_le protocol_name; + guid_t protocol_name; uint8_t protocol_version; uint8_t max_number_of_connections; uint8_t fixed_address; diff --git a/drivers/hid/intel-ish-hid/ishtp/ishtp-dev.h b/drivers/hid/intel-ish-hid/ishtp/ishtp-dev.h index e7c6bfefaf9e..e54ce1ef27dd 100644 --- a/drivers/hid/intel-ish-hid/ishtp/ishtp-dev.h +++ b/drivers/hid/intel-ish-hid/ishtp/ishtp-dev.h @@ -211,8 +211,6 @@ struct ishtp_device { /* For both processing list and free list */ spinlock_t wr_processing_spinlock; - spinlock_t out_ipc_spinlock; - struct ishtp_fw_client *fw_clients; /*Note:memory has to be allocated*/ DECLARE_BITMAP(fw_clients_map, ISHTP_CLIENTS_MAX); DECLARE_BITMAP(host_clients_map, ISHTP_CLIENTS_MAX); diff --git a/drivers/hid/wacom_sys.c b/drivers/hid/wacom_sys.c index 0bdd85d486fe..a8633b1437b2 100644 --- a/drivers/hid/wacom_sys.c +++ b/drivers/hid/wacom_sys.c @@ -252,6 +252,38 @@ static void wacom_hid_usage_quirk(struct hid_device *hdev, } } + /* + * 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; + } + } + /* 2nd-generation Intuos Pro Large has incorrect Y maximum */ if (hdev->vendor == USB_VENDOR_ID_WACOM && hdev->product == 0x0358 && diff --git a/drivers/hid/wacom_wac.c b/drivers/hid/wacom_wac.c index 5dd3a8245f0f..747730d32ab6 100644 --- a/drivers/hid/wacom_wac.c +++ b/drivers/hid/wacom_wac.c @@ -626,6 +626,7 @@ static int wacom_intuos_get_tool_type(int tool_id) case 0x8e2: /* IntuosHT2 pen */ case 0x022: case 0x10804: /* Intuos4/5 13HD/24HD Art Pen */ + case 0x10842: /* MobileStudio Pro Pro Pen slim */ case 0x14802: /* Intuos4/5 13HD/24HD Classic Pen */ case 0x16802: /* Cintiq 13HD Pro Pen */ case 0x18802: /* DTH2242 Pen */ @@ -667,6 +668,7 @@ static int wacom_intuos_get_tool_type(int tool_id) case 0x1480a: /* Intuos4/5 13HD/24HD Classic Pen Eraser */ case 0x1090a: /* Intuos4/5 13HD/24HD Airbrush Eraser */ case 0x1080c: /* Intuos4/5 13HD/24HD Art Pen Eraser */ + case 0x1084a: /* MobileStudio Pro Pro Pen slim Eraser */ case 0x1680a: /* Cintiq 13HD Pro Pen Eraser */ case 0x1880a: /* DTH2242 Eraser */ case 0x1080a: /* Intuos4/5 13HD/24HD General Pen Eraser */ @@ -2159,27 +2161,6 @@ static void wacom_wac_pen_usage_mapping(struct hid_device *hdev, case HID_DG_TOOLSERIALNUMBER: features->quirks |= WACOM_QUIRK_TOOLSERIAL; wacom_map_usage(input, usage, field, EV_MSC, MSC_SERIAL, 0); - - /* Adjust AES usages to match modern convention */ - if (usage->hid == WACOM_HID_WT_SERIALNUMBER && field->report_size == 16) { - if (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; - } - } - } break; case WACOM_HID_WD_SENSE: features->quirks |= WACOM_QUIRK_SENSE; @@ -3525,6 +3506,7 @@ int wacom_setup_pen_input_capabilities(struct input_dev *input_dev, switch (features->type) { case GRAPHIRE_BT: __clear_bit(ABS_MISC, input_dev->absbit); + /* fall through */ case WACOM_MO: case WACOM_G4: |