diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/hid/Kconfig | 7 | ||||
| -rw-r--r-- | drivers/hid/Makefile | 1 | ||||
| -rw-r--r-- | drivers/hid/hid-evision.c | 53 | ||||
| -rw-r--r-- | drivers/hid/hid-ids.h | 3 |
4 files changed, 64 insertions, 0 deletions
diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig index d253b3ff2e0c..757a6fe8594a 100644 --- a/drivers/hid/Kconfig +++ b/drivers/hid/Kconfig @@ -329,6 +329,13 @@ config HID_ELO Support for the ELO USB 4000/4500 touchscreens. Note that this is for different devices than those handled by CONFIG_TOUCHSCREEN_USB_ELO. +config HID_EVISION + tristate "EVision Keyboards Support" + depends on HID + help + Support for some EVision keyboards. Note that this is needed only when + applying customization using userspace programs. + config HID_EZKEY tristate "Ezkey BTC 8193 keyboard" default !EXPERT diff --git a/drivers/hid/Makefile b/drivers/hid/Makefile index e8014c1a2f8b..bd01571ddfe7 100644 --- a/drivers/hid/Makefile +++ b/drivers/hid/Makefile @@ -45,6 +45,7 @@ obj-$(CONFIG_HID_EMS_FF) += hid-emsff.o obj-$(CONFIG_HID_ELAN) += hid-elan.o obj-$(CONFIG_HID_ELECOM) += hid-elecom.o obj-$(CONFIG_HID_ELO) += hid-elo.o +obj-$(CONFIG_HID_EVISION) += hid-evision.o obj-$(CONFIG_HID_EZKEY) += hid-ezkey.o obj-$(CONFIG_HID_FT260) += hid-ft260.o obj-$(CONFIG_HID_GEMBIRD) += hid-gembird.o diff --git a/drivers/hid/hid-evision.c b/drivers/hid/hid-evision.c new file mode 100644 index 000000000000..ef6b4b435215 --- /dev/null +++ b/drivers/hid/hid-evision.c @@ -0,0 +1,53 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * HID driver for EVision devices + * For now, only ignore bogus consumer reports + * sent after the keyboard has been configured + * + * Copyright (c) 2022 Philippe Valembois + */ + +#include <linux/device.h> +#include <linux/input.h> +#include <linux/hid.h> +#include <linux/module.h> + +#include "hid-ids.h" + +static int evision_input_mapping(struct hid_device *hdev, struct hid_input *hi, + struct hid_field *field, struct hid_usage *usage, + unsigned long **bit, int *max) +{ + if ((usage->hid & HID_USAGE_PAGE) != HID_UP_CONSUMER) + return 0; + + /* Ignore key down event */ + if ((usage->hid & HID_USAGE) >> 8 == 0x05) + return -1; + /* Ignore key up event */ + if ((usage->hid & HID_USAGE) >> 8 == 0x06) + return -1; + + switch (usage->hid & HID_USAGE) { + /* Ignore configuration saved event */ + case 0x0401: return -1; + /* Ignore reset event */ + case 0x0402: return -1; + } + return 0; +} + +static const struct hid_device_id evision_devices[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_EVISION, USB_DEVICE_ID_EVISION_ICL01) }, + { } +}; +MODULE_DEVICE_TABLE(hid, evision_devices); + +static struct hid_driver evision_driver = { + .name = "evision", + .id_table = evision_devices, + .input_mapping = evision_input_mapping, +}; +module_hid_driver(evision_driver); + +MODULE_LICENSE("GPL"); diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h index 9e36b4cd905e..01cbbaab8266 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -448,6 +448,9 @@ #define USB_VENDOR_ID_EMS 0x2006 #define USB_DEVICE_ID_EMS_TRIO_LINKER_PLUS_II 0x0118 +#define USB_VENDOR_ID_EVISION 0x320f +#define USB_DEVICE_ID_EVISION_ICL01 0x5041 + #define USB_VENDOR_ID_FLATFROG 0x25b5 #define USB_DEVICE_ID_MULTITOUCH_3200 0x0002 |