forked from Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
2049 lines
68 KiB
2049 lines
68 KiB
// SPDX-License-Identifier: GPL-2.0-only |
|
/* |
|
* HID driver for Logitech receivers |
|
* |
|
* Copyright (c) 2011 Logitech |
|
*/ |
|
|
|
|
|
|
|
#include <linux/device.h> |
|
#include <linux/hid.h> |
|
#include <linux/module.h> |
|
#include <linux/kfifo.h> |
|
#include <linux/delay.h> |
|
#include <linux/usb.h> /* For to_usb_interface for kvm extra intf check */ |
|
#include <asm/unaligned.h> |
|
#include "hid-ids.h" |
|
|
|
#define DJ_MAX_PAIRED_DEVICES 7 |
|
#define DJ_MAX_NUMBER_NOTIFS 8 |
|
#define DJ_RECEIVER_INDEX 0 |
|
#define DJ_DEVICE_INDEX_MIN 1 |
|
#define DJ_DEVICE_INDEX_MAX 7 |
|
|
|
#define DJREPORT_SHORT_LENGTH 15 |
|
#define DJREPORT_LONG_LENGTH 32 |
|
|
|
#define REPORT_ID_DJ_SHORT 0x20 |
|
#define REPORT_ID_DJ_LONG 0x21 |
|
|
|
#define REPORT_ID_HIDPP_SHORT 0x10 |
|
#define REPORT_ID_HIDPP_LONG 0x11 |
|
#define REPORT_ID_HIDPP_VERY_LONG 0x12 |
|
|
|
#define HIDPP_REPORT_SHORT_LENGTH 7 |
|
#define HIDPP_REPORT_LONG_LENGTH 20 |
|
|
|
#define HIDPP_RECEIVER_INDEX 0xff |
|
|
|
#define REPORT_TYPE_RFREPORT_FIRST 0x01 |
|
#define REPORT_TYPE_RFREPORT_LAST 0x1F |
|
|
|
/* Command Switch to DJ mode */ |
|
#define REPORT_TYPE_CMD_SWITCH 0x80 |
|
#define CMD_SWITCH_PARAM_DEVBITFIELD 0x00 |
|
#define CMD_SWITCH_PARAM_TIMEOUT_SECONDS 0x01 |
|
#define TIMEOUT_NO_KEEPALIVE 0x00 |
|
|
|
/* Command to Get the list of Paired devices */ |
|
#define REPORT_TYPE_CMD_GET_PAIRED_DEVICES 0x81 |
|
|
|
/* Device Paired Notification */ |
|
#define REPORT_TYPE_NOTIF_DEVICE_PAIRED 0x41 |
|
#define SPFUNCTION_MORE_NOTIF_EXPECTED 0x01 |
|
#define SPFUNCTION_DEVICE_LIST_EMPTY 0x02 |
|
#define DEVICE_PAIRED_PARAM_SPFUNCTION 0x00 |
|
#define DEVICE_PAIRED_PARAM_EQUAD_ID_LSB 0x01 |
|
#define DEVICE_PAIRED_PARAM_EQUAD_ID_MSB 0x02 |
|
#define DEVICE_PAIRED_RF_REPORT_TYPE 0x03 |
|
|
|
/* Device Un-Paired Notification */ |
|
#define REPORT_TYPE_NOTIF_DEVICE_UNPAIRED 0x40 |
|
|
|
/* Connection Status Notification */ |
|
#define REPORT_TYPE_NOTIF_CONNECTION_STATUS 0x42 |
|
#define CONNECTION_STATUS_PARAM_STATUS 0x00 |
|
#define STATUS_LINKLOSS 0x01 |
|
|
|
/* Error Notification */ |
|
#define REPORT_TYPE_NOTIF_ERROR 0x7F |
|
#define NOTIF_ERROR_PARAM_ETYPE 0x00 |
|
#define ETYPE_KEEPALIVE_TIMEOUT 0x01 |
|
|
|
/* supported DJ HID && RF report types */ |
|
#define REPORT_TYPE_KEYBOARD 0x01 |
|
#define REPORT_TYPE_MOUSE 0x02 |
|
#define REPORT_TYPE_CONSUMER_CONTROL 0x03 |
|
#define REPORT_TYPE_SYSTEM_CONTROL 0x04 |
|
#define REPORT_TYPE_MEDIA_CENTER 0x08 |
|
#define REPORT_TYPE_LEDS 0x0E |
|
|
|
/* RF Report types bitfield */ |
|
#define STD_KEYBOARD BIT(1) |
|
#define STD_MOUSE BIT(2) |
|
#define MULTIMEDIA BIT(3) |
|
#define POWER_KEYS BIT(4) |
|
#define KBD_MOUSE BIT(5) |
|
#define MEDIA_CENTER BIT(8) |
|
#define KBD_LEDS BIT(14) |
|
/* Fake (bitnr > NUMBER_OF_HID_REPORTS) bit to track HID++ capability */ |
|
#define HIDPP BIT_ULL(63) |
|
|
|
/* HID++ Device Connected Notification */ |
|
#define REPORT_TYPE_NOTIF_DEVICE_CONNECTED 0x41 |
|
#define HIDPP_PARAM_PROTO_TYPE 0x00 |
|
#define HIDPP_PARAM_DEVICE_INFO 0x01 |
|
#define HIDPP_PARAM_EQUAD_LSB 0x02 |
|
#define HIDPP_PARAM_EQUAD_MSB 0x03 |
|
#define HIDPP_PARAM_27MHZ_DEVID 0x03 |
|
#define HIDPP_DEVICE_TYPE_MASK GENMASK(3, 0) |
|
#define HIDPP_LINK_STATUS_MASK BIT(6) |
|
#define HIDPP_MANUFACTURER_MASK BIT(7) |
|
#define HIDPP_27MHZ_SECURE_MASK BIT(7) |
|
|
|
#define HIDPP_DEVICE_TYPE_KEYBOARD 1 |
|
#define HIDPP_DEVICE_TYPE_MOUSE 2 |
|
|
|
#define HIDPP_SET_REGISTER 0x80 |
|
#define HIDPP_GET_LONG_REGISTER 0x83 |
|
#define HIDPP_REG_CONNECTION_STATE 0x02 |
|
#define HIDPP_REG_PAIRING_INFORMATION 0xB5 |
|
#define HIDPP_PAIRING_INFORMATION 0x20 |
|
#define HIDPP_FAKE_DEVICE_ARRIVAL 0x02 |
|
|
|
enum recvr_type { |
|
recvr_type_dj, |
|
recvr_type_hidpp, |
|
recvr_type_gaming_hidpp, |
|
recvr_type_mouse_only, |
|
recvr_type_27mhz, |
|
recvr_type_bluetooth, |
|
recvr_type_dinovo, |
|
}; |
|
|
|
struct dj_report { |
|
u8 report_id; |
|
u8 device_index; |
|
u8 report_type; |
|
u8 report_params[DJREPORT_SHORT_LENGTH - 3]; |
|
}; |
|
|
|
struct hidpp_event { |
|
u8 report_id; |
|
u8 device_index; |
|
u8 sub_id; |
|
u8 params[HIDPP_REPORT_LONG_LENGTH - 3U]; |
|
} __packed; |
|
|
|
struct dj_receiver_dev { |
|
struct hid_device *mouse; |
|
struct hid_device *keyboard; |
|
struct hid_device *hidpp; |
|
struct dj_device *paired_dj_devices[DJ_MAX_PAIRED_DEVICES + |
|
DJ_DEVICE_INDEX_MIN]; |
|
struct list_head list; |
|
struct kref kref; |
|
struct work_struct work; |
|
struct kfifo notif_fifo; |
|
unsigned long last_query; /* in jiffies */ |
|
bool ready; |
|
enum recvr_type type; |
|
unsigned int unnumbered_application; |
|
spinlock_t lock; |
|
}; |
|
|
|
struct dj_device { |
|
struct hid_device *hdev; |
|
struct dj_receiver_dev *dj_receiver_dev; |
|
u64 reports_supported; |
|
u8 device_index; |
|
}; |
|
|
|
#define WORKITEM_TYPE_EMPTY 0 |
|
#define WORKITEM_TYPE_PAIRED 1 |
|
#define WORKITEM_TYPE_UNPAIRED 2 |
|
#define WORKITEM_TYPE_UNKNOWN 255 |
|
|
|
struct dj_workitem { |
|
u8 type; /* WORKITEM_TYPE_* */ |
|
u8 device_index; |
|
u8 device_type; |
|
u8 quad_id_msb; |
|
u8 quad_id_lsb; |
|
u64 reports_supported; |
|
}; |
|
|
|
/* Keyboard descriptor (1) */ |
|
static const char kbd_descriptor[] = { |
|
0x05, 0x01, /* USAGE_PAGE (generic Desktop) */ |
|
0x09, 0x06, /* USAGE (Keyboard) */ |
|
0xA1, 0x01, /* COLLECTION (Application) */ |
|
0x85, 0x01, /* REPORT_ID (1) */ |
|
0x95, 0x08, /* REPORT_COUNT (8) */ |
|
0x75, 0x01, /* REPORT_SIZE (1) */ |
|
0x15, 0x00, /* LOGICAL_MINIMUM (0) */ |
|
0x25, 0x01, /* LOGICAL_MAXIMUM (1) */ |
|
0x05, 0x07, /* USAGE_PAGE (Keyboard) */ |
|
0x19, 0xE0, /* USAGE_MINIMUM (Left Control) */ |
|
0x29, 0xE7, /* USAGE_MAXIMUM (Right GUI) */ |
|
0x81, 0x02, /* INPUT (Data,Var,Abs) */ |
|
0x95, 0x06, /* REPORT_COUNT (6) */ |
|
0x75, 0x08, /* REPORT_SIZE (8) */ |
|
0x15, 0x00, /* LOGICAL_MINIMUM (0) */ |
|
0x26, 0xFF, 0x00, /* LOGICAL_MAXIMUM (255) */ |
|
0x05, 0x07, /* USAGE_PAGE (Keyboard) */ |
|
0x19, 0x00, /* USAGE_MINIMUM (no event) */ |
|
0x2A, 0xFF, 0x00, /* USAGE_MAXIMUM (reserved) */ |
|
0x81, 0x00, /* INPUT (Data,Ary,Abs) */ |
|
0x85, 0x0e, /* REPORT_ID (14) */ |
|
0x05, 0x08, /* USAGE PAGE (LED page) */ |
|
0x95, 0x05, /* REPORT COUNT (5) */ |
|
0x75, 0x01, /* REPORT SIZE (1) */ |
|
0x15, 0x00, /* LOGICAL_MINIMUM (0) */ |
|
0x25, 0x01, /* LOGICAL_MAXIMUM (1) */ |
|
0x19, 0x01, /* USAGE MINIMUM (1) */ |
|
0x29, 0x05, /* USAGE MAXIMUM (5) */ |
|
0x91, 0x02, /* OUTPUT (Data, Variable, Absolute) */ |
|
0x95, 0x01, /* REPORT COUNT (1) */ |
|
0x75, 0x03, /* REPORT SIZE (3) */ |
|
0x91, 0x01, /* OUTPUT (Constant) */ |
|
0xC0 |
|
}; |
|
|
|
/* Mouse descriptor (2) */ |
|
static const char mse_descriptor[] = { |
|
0x05, 0x01, /* USAGE_PAGE (Generic Desktop) */ |
|
0x09, 0x02, /* USAGE (Mouse) */ |
|
0xA1, 0x01, /* COLLECTION (Application) */ |
|
0x85, 0x02, /* REPORT_ID = 2 */ |
|
0x09, 0x01, /* USAGE (pointer) */ |
|
0xA1, 0x00, /* COLLECTION (physical) */ |
|
0x05, 0x09, /* USAGE_PAGE (buttons) */ |
|
0x19, 0x01, /* USAGE_MIN (1) */ |
|
0x29, 0x10, /* USAGE_MAX (16) */ |
|
0x15, 0x00, /* LOGICAL_MIN (0) */ |
|
0x25, 0x01, /* LOGICAL_MAX (1) */ |
|
0x95, 0x10, /* REPORT_COUNT (16) */ |
|
0x75, 0x01, /* REPORT_SIZE (1) */ |
|
0x81, 0x02, /* INPUT (data var abs) */ |
|
0x05, 0x01, /* USAGE_PAGE (generic desktop) */ |
|
0x16, 0x01, 0xF8, /* LOGICAL_MIN (-2047) */ |
|
0x26, 0xFF, 0x07, /* LOGICAL_MAX (2047) */ |
|
0x75, 0x0C, /* REPORT_SIZE (12) */ |
|
0x95, 0x02, /* REPORT_COUNT (2) */ |
|
0x09, 0x30, /* USAGE (X) */ |
|
0x09, 0x31, /* USAGE (Y) */ |
|
0x81, 0x06, /* INPUT */ |
|
0x15, 0x81, /* LOGICAL_MIN (-127) */ |
|
0x25, 0x7F, /* LOGICAL_MAX (127) */ |
|
0x75, 0x08, /* REPORT_SIZE (8) */ |
|
0x95, 0x01, /* REPORT_COUNT (1) */ |
|
0x09, 0x38, /* USAGE (wheel) */ |
|
0x81, 0x06, /* INPUT */ |
|
0x05, 0x0C, /* USAGE_PAGE(consumer) */ |
|
0x0A, 0x38, 0x02, /* USAGE(AC Pan) */ |
|
0x95, 0x01, /* REPORT_COUNT (1) */ |
|
0x81, 0x06, /* INPUT */ |
|
0xC0, /* END_COLLECTION */ |
|
0xC0, /* END_COLLECTION */ |
|
}; |
|
|
|
/* Mouse descriptor (2) for 27 MHz receiver, only 8 buttons */ |
|
static const char mse_27mhz_descriptor[] = { |
|
0x05, 0x01, /* USAGE_PAGE (Generic Desktop) */ |
|
0x09, 0x02, /* USAGE (Mouse) */ |
|
0xA1, 0x01, /* COLLECTION (Application) */ |
|
0x85, 0x02, /* REPORT_ID = 2 */ |
|
0x09, 0x01, /* USAGE (pointer) */ |
|
0xA1, 0x00, /* COLLECTION (physical) */ |
|
0x05, 0x09, /* USAGE_PAGE (buttons) */ |
|
0x19, 0x01, /* USAGE_MIN (1) */ |
|
0x29, 0x08, /* USAGE_MAX (8) */ |
|
0x15, 0x00, /* LOGICAL_MIN (0) */ |
|
0x25, 0x01, /* LOGICAL_MAX (1) */ |
|
0x95, 0x08, /* REPORT_COUNT (8) */ |
|
0x75, 0x01, /* REPORT_SIZE (1) */ |
|
0x81, 0x02, /* INPUT (data var abs) */ |
|
0x05, 0x01, /* USAGE_PAGE (generic desktop) */ |
|
0x16, 0x01, 0xF8, /* LOGICAL_MIN (-2047) */ |
|
0x26, 0xFF, 0x07, /* LOGICAL_MAX (2047) */ |
|
0x75, 0x0C, /* REPORT_SIZE (12) */ |
|
0x95, 0x02, /* REPORT_COUNT (2) */ |
|
0x09, 0x30, /* USAGE (X) */ |
|
0x09, 0x31, /* USAGE (Y) */ |
|
0x81, 0x06, /* INPUT */ |
|
0x15, 0x81, /* LOGICAL_MIN (-127) */ |
|
0x25, 0x7F, /* LOGICAL_MAX (127) */ |
|
0x75, 0x08, /* REPORT_SIZE (8) */ |
|
0x95, 0x01, /* REPORT_COUNT (1) */ |
|
0x09, 0x38, /* USAGE (wheel) */ |
|
0x81, 0x06, /* INPUT */ |
|
0x05, 0x0C, /* USAGE_PAGE(consumer) */ |
|
0x0A, 0x38, 0x02, /* USAGE(AC Pan) */ |
|
0x95, 0x01, /* REPORT_COUNT (1) */ |
|
0x81, 0x06, /* INPUT */ |
|
0xC0, /* END_COLLECTION */ |
|
0xC0, /* END_COLLECTION */ |
|
}; |
|
|
|
/* Mouse descriptor (2) for Bluetooth receiver, low-res hwheel, 12 buttons */ |
|
static const char mse_bluetooth_descriptor[] = { |
|
0x05, 0x01, /* USAGE_PAGE (Generic Desktop) */ |
|
0x09, 0x02, /* USAGE (Mouse) */ |
|
0xA1, 0x01, /* COLLECTION (Application) */ |
|
0x85, 0x02, /* REPORT_ID = 2 */ |
|
0x09, 0x01, /* USAGE (pointer) */ |
|
0xA1, 0x00, /* COLLECTION (physical) */ |
|
0x05, 0x09, /* USAGE_PAGE (buttons) */ |
|
0x19, 0x01, /* USAGE_MIN (1) */ |
|
0x29, 0x08, /* USAGE_MAX (8) */ |
|
0x15, 0x00, /* LOGICAL_MIN (0) */ |
|
0x25, 0x01, /* LOGICAL_MAX (1) */ |
|
0x95, 0x08, /* REPORT_COUNT (8) */ |
|
0x75, 0x01, /* REPORT_SIZE (1) */ |
|
0x81, 0x02, /* INPUT (data var abs) */ |
|
0x05, 0x01, /* USAGE_PAGE (generic desktop) */ |
|
0x16, 0x01, 0xF8, /* LOGICAL_MIN (-2047) */ |
|
0x26, 0xFF, 0x07, /* LOGICAL_MAX (2047) */ |
|
0x75, 0x0C, /* REPORT_SIZE (12) */ |
|
0x95, 0x02, /* REPORT_COUNT (2) */ |
|
0x09, 0x30, /* USAGE (X) */ |
|
0x09, 0x31, /* USAGE (Y) */ |
|
0x81, 0x06, /* INPUT */ |
|
0x15, 0x81, /* LOGICAL_MIN (-127) */ |
|
0x25, 0x7F, /* LOGICAL_MAX (127) */ |
|
0x75, 0x08, /* REPORT_SIZE (8) */ |
|
0x95, 0x01, /* REPORT_COUNT (1) */ |
|
0x09, 0x38, /* USAGE (wheel) */ |
|
0x81, 0x06, /* INPUT */ |
|
0x05, 0x0C, /* USAGE_PAGE(consumer) */ |
|
0x0A, 0x38, 0x02, /* USAGE(AC Pan) */ |
|
0x15, 0xF9, /* LOGICAL_MIN (-7) */ |
|
0x25, 0x07, /* LOGICAL_MAX (7) */ |
|
0x75, 0x04, /* REPORT_SIZE (4) */ |
|
0x95, 0x01, /* REPORT_COUNT (1) */ |
|
0x81, 0x06, /* INPUT */ |
|
0x05, 0x09, /* USAGE_PAGE (buttons) */ |
|
0x19, 0x09, /* USAGE_MIN (9) */ |
|
0x29, 0x0C, /* USAGE_MAX (12) */ |
|
0x15, 0x00, /* LOGICAL_MIN (0) */ |
|
0x25, 0x01, /* LOGICAL_MAX (1) */ |
|
0x75, 0x01, /* REPORT_SIZE (1) */ |
|
0x95, 0x04, /* REPORT_COUNT (4) */ |
|
0x81, 0x02, /* INPUT (Data,Var,Abs) */ |
|
0xC0, /* END_COLLECTION */ |
|
0xC0, /* END_COLLECTION */ |
|
}; |
|
|
|
/* Mouse descriptor (5) for Bluetooth receiver, normal-res hwheel, 8 buttons */ |
|
static const char mse5_bluetooth_descriptor[] = { |
|
0x05, 0x01, /* USAGE_PAGE (Generic Desktop) */ |
|
0x09, 0x02, /* Usage (Mouse) */ |
|
0xa1, 0x01, /* Collection (Application) */ |
|
0x85, 0x05, /* Report ID (5) */ |
|
0x09, 0x01, /* Usage (Pointer) */ |
|
0xa1, 0x00, /* Collection (Physical) */ |
|
0x05, 0x09, /* Usage Page (Button) */ |
|
0x19, 0x01, /* Usage Minimum (1) */ |
|
0x29, 0x08, /* Usage Maximum (8) */ |
|
0x15, 0x00, /* Logical Minimum (0) */ |
|
0x25, 0x01, /* Logical Maximum (1) */ |
|
0x95, 0x08, /* Report Count (8) */ |
|
0x75, 0x01, /* Report Size (1) */ |
|
0x81, 0x02, /* Input (Data,Var,Abs) */ |
|
0x05, 0x01, /* Usage Page (Generic Desktop) */ |
|
0x16, 0x01, 0xf8, /* Logical Minimum (-2047) */ |
|
0x26, 0xff, 0x07, /* Logical Maximum (2047) */ |
|
0x75, 0x0c, /* Report Size (12) */ |
|
0x95, 0x02, /* Report Count (2) */ |
|
0x09, 0x30, /* Usage (X) */ |
|
0x09, 0x31, /* Usage (Y) */ |
|
0x81, 0x06, /* Input (Data,Var,Rel) */ |
|
0x15, 0x81, /* Logical Minimum (-127) */ |
|
0x25, 0x7f, /* Logical Maximum (127) */ |
|
0x75, 0x08, /* Report Size (8) */ |
|
0x95, 0x01, /* Report Count (1) */ |
|
0x09, 0x38, /* Usage (Wheel) */ |
|
0x81, 0x06, /* Input (Data,Var,Rel) */ |
|
0x05, 0x0c, /* Usage Page (Consumer Devices) */ |
|
0x0a, 0x38, 0x02, /* Usage (AC Pan) */ |
|
0x15, 0x81, /* Logical Minimum (-127) */ |
|
0x25, 0x7f, /* Logical Maximum (127) */ |
|
0x75, 0x08, /* Report Size (8) */ |
|
0x95, 0x01, /* Report Count (1) */ |
|
0x81, 0x06, /* Input (Data,Var,Rel) */ |
|
0xc0, /* End Collection */ |
|
0xc0, /* End Collection */ |
|
}; |
|
|
|
/* Gaming Mouse descriptor (2) */ |
|
static const char mse_high_res_descriptor[] = { |
|
0x05, 0x01, /* USAGE_PAGE (Generic Desktop) */ |
|
0x09, 0x02, /* USAGE (Mouse) */ |
|
0xA1, 0x01, /* COLLECTION (Application) */ |
|
0x85, 0x02, /* REPORT_ID = 2 */ |
|
0x09, 0x01, /* USAGE (pointer) */ |
|
0xA1, 0x00, /* COLLECTION (physical) */ |
|
0x05, 0x09, /* USAGE_PAGE (buttons) */ |
|
0x19, 0x01, /* USAGE_MIN (1) */ |
|
0x29, 0x10, /* USAGE_MAX (16) */ |
|
0x15, 0x00, /* LOGICAL_MIN (0) */ |
|
0x25, 0x01, /* LOGICAL_MAX (1) */ |
|
0x95, 0x10, /* REPORT_COUNT (16) */ |
|
0x75, 0x01, /* REPORT_SIZE (1) */ |
|
0x81, 0x02, /* INPUT (data var abs) */ |
|
0x05, 0x01, /* USAGE_PAGE (generic desktop) */ |
|
0x16, 0x01, 0x80, /* LOGICAL_MIN (-32767) */ |
|
0x26, 0xFF, 0x7F, /* LOGICAL_MAX (32767) */ |
|
0x75, 0x10, /* REPORT_SIZE (16) */ |
|
0x95, 0x02, /* REPORT_COUNT (2) */ |
|
0x09, 0x30, /* USAGE (X) */ |
|
0x09, 0x31, /* USAGE (Y) */ |
|
0x81, 0x06, /* INPUT */ |
|
0x15, 0x81, /* LOGICAL_MIN (-127) */ |
|
0x25, 0x7F, /* LOGICAL_MAX (127) */ |
|
0x75, 0x08, /* REPORT_SIZE (8) */ |
|
0x95, 0x01, /* REPORT_COUNT (1) */ |
|
0x09, 0x38, /* USAGE (wheel) */ |
|
0x81, 0x06, /* INPUT */ |
|
0x05, 0x0C, /* USAGE_PAGE(consumer) */ |
|
0x0A, 0x38, 0x02, /* USAGE(AC Pan) */ |
|
0x95, 0x01, /* REPORT_COUNT (1) */ |
|
0x81, 0x06, /* INPUT */ |
|
0xC0, /* END_COLLECTION */ |
|
0xC0, /* END_COLLECTION */ |
|
}; |
|
|
|
/* Consumer Control descriptor (3) */ |
|
static const char consumer_descriptor[] = { |
|
0x05, 0x0C, /* USAGE_PAGE (Consumer Devices) */ |
|
0x09, 0x01, /* USAGE (Consumer Control) */ |
|
0xA1, 0x01, /* COLLECTION (Application) */ |
|
0x85, 0x03, /* REPORT_ID = 3 */ |
|
0x75, 0x10, /* REPORT_SIZE (16) */ |
|
0x95, 0x02, /* REPORT_COUNT (2) */ |
|
0x15, 0x01, /* LOGICAL_MIN (1) */ |
|
0x26, 0xFF, 0x02, /* LOGICAL_MAX (767) */ |
|
0x19, 0x01, /* USAGE_MIN (1) */ |
|
0x2A, 0xFF, 0x02, /* USAGE_MAX (767) */ |
|
0x81, 0x00, /* INPUT (Data Ary Abs) */ |
|
0xC0, /* END_COLLECTION */ |
|
}; /* */ |
|
|
|
/* System control descriptor (4) */ |
|
static const char syscontrol_descriptor[] = { |
|
0x05, 0x01, /* USAGE_PAGE (Generic Desktop) */ |
|
0x09, 0x80, /* USAGE (System Control) */ |
|
0xA1, 0x01, /* COLLECTION (Application) */ |
|
0x85, 0x04, /* REPORT_ID = 4 */ |
|
0x75, 0x02, /* REPORT_SIZE (2) */ |
|
0x95, 0x01, /* REPORT_COUNT (1) */ |
|
0x15, 0x01, /* LOGICAL_MIN (1) */ |
|
0x25, 0x03, /* LOGICAL_MAX (3) */ |
|
0x09, 0x82, /* USAGE (System Sleep) */ |
|
0x09, 0x81, /* USAGE (System Power Down) */ |
|
0x09, 0x83, /* USAGE (System Wake Up) */ |
|
0x81, 0x60, /* INPUT (Data Ary Abs NPrf Null) */ |
|
0x75, 0x06, /* REPORT_SIZE (6) */ |
|
0x81, 0x03, /* INPUT (Cnst Var Abs) */ |
|
0xC0, /* END_COLLECTION */ |
|
}; |
|
|
|
/* Media descriptor (8) */ |
|
static const char media_descriptor[] = { |
|
0x06, 0xbc, 0xff, /* Usage Page 0xffbc */ |
|
0x09, 0x88, /* Usage 0x0088 */ |
|
0xa1, 0x01, /* BeginCollection */ |
|
0x85, 0x08, /* Report ID 8 */ |
|
0x19, 0x01, /* Usage Min 0x0001 */ |
|
0x29, 0xff, /* Usage Max 0x00ff */ |
|
0x15, 0x01, /* Logical Min 1 */ |
|
0x26, 0xff, 0x00, /* Logical Max 255 */ |
|
0x75, 0x08, /* Report Size 8 */ |
|
0x95, 0x01, /* Report Count 1 */ |
|
0x81, 0x00, /* Input */ |
|
0xc0, /* EndCollection */ |
|
}; /* */ |
|
|
|
/* HIDPP descriptor */ |
|
static const char hidpp_descriptor[] = { |
|
0x06, 0x00, 0xff, /* Usage Page (Vendor Defined Page 1) */ |
|
0x09, 0x01, /* Usage (Vendor Usage 1) */ |
|
0xa1, 0x01, /* Collection (Application) */ |
|
0x85, 0x10, /* Report ID (16) */ |
|
0x75, 0x08, /* Report Size (8) */ |
|
0x95, 0x06, /* Report Count (6) */ |
|
0x15, 0x00, /* Logical Minimum (0) */ |
|
0x26, 0xff, 0x00, /* Logical Maximum (255) */ |
|
0x09, 0x01, /* Usage (Vendor Usage 1) */ |
|
0x81, 0x00, /* Input (Data,Arr,Abs) */ |
|
0x09, 0x01, /* Usage (Vendor Usage 1) */ |
|
0x91, 0x00, /* Output (Data,Arr,Abs) */ |
|
0xc0, /* End Collection */ |
|
0x06, 0x00, 0xff, /* Usage Page (Vendor Defined Page 1) */ |
|
0x09, 0x02, /* Usage (Vendor Usage 2) */ |
|
0xa1, 0x01, /* Collection (Application) */ |
|
0x85, 0x11, /* Report ID (17) */ |
|
0x75, 0x08, /* Report Size (8) */ |
|
0x95, 0x13, /* Report Count (19) */ |
|
0x15, 0x00, /* Logical Minimum (0) */ |
|
0x26, 0xff, 0x00, /* Logical Maximum (255) */ |
|
0x09, 0x02, /* Usage (Vendor Usage 2) */ |
|
0x81, 0x00, /* Input (Data,Arr,Abs) */ |
|
0x09, 0x02, /* Usage (Vendor Usage 2) */ |
|
0x91, 0x00, /* Output (Data,Arr,Abs) */ |
|
0xc0, /* End Collection */ |
|
0x06, 0x00, 0xff, /* Usage Page (Vendor Defined Page 1) */ |
|
0x09, 0x04, /* Usage (Vendor Usage 0x04) */ |
|
0xa1, 0x01, /* Collection (Application) */ |
|
0x85, 0x20, /* Report ID (32) */ |
|
0x75, 0x08, /* Report Size (8) */ |
|
0x95, 0x0e, /* Report Count (14) */ |
|
0x15, 0x00, /* Logical Minimum (0) */ |
|
0x26, 0xff, 0x00, /* Logical Maximum (255) */ |
|
0x09, 0x41, /* Usage (Vendor Usage 0x41) */ |
|
0x81, 0x00, /* Input (Data,Arr,Abs) */ |
|
0x09, 0x41, /* Usage (Vendor Usage 0x41) */ |
|
0x91, 0x00, /* Output (Data,Arr,Abs) */ |
|
0x85, 0x21, /* Report ID (33) */ |
|
0x95, 0x1f, /* Report Count (31) */ |
|
0x15, 0x00, /* Logical Minimum (0) */ |
|
0x26, 0xff, 0x00, /* Logical Maximum (255) */ |
|
0x09, 0x42, /* Usage (Vendor Usage 0x42) */ |
|
0x81, 0x00, /* Input (Data,Arr,Abs) */ |
|
0x09, 0x42, /* Usage (Vendor Usage 0x42) */ |
|
0x91, 0x00, /* Output (Data,Arr,Abs) */ |
|
0xc0, /* End Collection */ |
|
}; |
|
|
|
/* Maximum size of all defined hid reports in bytes (including report id) */ |
|
#define MAX_REPORT_SIZE 8 |
|
|
|
/* Make sure all descriptors are present here */ |
|
#define MAX_RDESC_SIZE \ |
|
(sizeof(kbd_descriptor) + \ |
|
sizeof(mse_bluetooth_descriptor) + \ |
|
sizeof(mse5_bluetooth_descriptor) + \ |
|
sizeof(consumer_descriptor) + \ |
|
sizeof(syscontrol_descriptor) + \ |
|
sizeof(media_descriptor) + \ |
|
sizeof(hidpp_descriptor)) |
|
|
|
/* Number of possible hid report types that can be created by this driver. |
|
* |
|
* Right now, RF report types have the same report types (or report id's) |
|
* than the hid report created from those RF reports. In the future |
|
* this doesnt have to be true. |
|
* |
|
* For instance, RF report type 0x01 which has a size of 8 bytes, corresponds |
|
* to hid report id 0x01, this is standard keyboard. Same thing applies to mice |
|
* reports and consumer control, etc. If a new RF report is created, it doesn't |
|
* has to have the same report id as its corresponding hid report, so an |
|
* translation may have to take place for future report types. |
|
*/ |
|
#define NUMBER_OF_HID_REPORTS 32 |
|
static const u8 hid_reportid_size_map[NUMBER_OF_HID_REPORTS] = { |
|
[1] = 8, /* Standard keyboard */ |
|
[2] = 8, /* Standard mouse */ |
|
[3] = 5, /* Consumer control */ |
|
[4] = 2, /* System control */ |
|
[8] = 2, /* Media Center */ |
|
}; |
|
|
|
|
|
#define LOGITECH_DJ_INTERFACE_NUMBER 0x02 |
|
|
|
static struct hid_ll_driver logi_dj_ll_driver; |
|
|
|
static int logi_dj_recv_query_paired_devices(struct dj_receiver_dev *djrcv_dev); |
|
static void delayedwork_callback(struct work_struct *work); |
|
|
|
static LIST_HEAD(dj_hdev_list); |
|
static DEFINE_MUTEX(dj_hdev_list_lock); |
|
|
|
static bool recvr_type_is_bluetooth(enum recvr_type type) |
|
{ |
|
return type == recvr_type_bluetooth || type == recvr_type_dinovo; |
|
} |
|
|
|
/* |
|
* dj/HID++ receivers are really a single logical entity, but for BIOS/Windows |
|
* compatibility they have multiple USB interfaces. On HID++ receivers we need |
|
* to listen for input reports on both interfaces. The functions below are used |
|
* to create a single struct dj_receiver_dev for all interfaces belonging to |
|
* a single USB-device / receiver. |
|
*/ |
|
static struct dj_receiver_dev *dj_find_receiver_dev(struct hid_device *hdev, |
|
enum recvr_type type) |
|
{ |
|
struct dj_receiver_dev *djrcv_dev; |
|
char sep; |
|
|
|
/* |
|
* The bluetooth receiver contains a built-in hub and has separate |
|
* USB-devices for the keyboard and mouse interfaces. |
|
*/ |
|
sep = recvr_type_is_bluetooth(type) ? '.' : '/'; |
|
|
|
/* Try to find an already-probed interface from the same device */ |
|
list_for_each_entry(djrcv_dev, &dj_hdev_list, list) { |
|
if (djrcv_dev->mouse && |
|
hid_compare_device_paths(hdev, djrcv_dev->mouse, sep)) { |
|
kref_get(&djrcv_dev->kref); |
|
return djrcv_dev; |
|
} |
|
if (djrcv_dev->keyboard && |
|
hid_compare_device_paths(hdev, djrcv_dev->keyboard, sep)) { |
|
kref_get(&djrcv_dev->kref); |
|
return djrcv_dev; |
|
} |
|
if (djrcv_dev->hidpp && |
|
hid_compare_device_paths(hdev, djrcv_dev->hidpp, sep)) { |
|
kref_get(&djrcv_dev->kref); |
|
return djrcv_dev; |
|
} |
|
} |
|
|
|
return NULL; |
|
} |
|
|
|
static void dj_release_receiver_dev(struct kref *kref) |
|
{ |
|
struct dj_receiver_dev *djrcv_dev = container_of(kref, struct dj_receiver_dev, kref); |
|
|
|
list_del(&djrcv_dev->list); |
|
kfifo_free(&djrcv_dev->notif_fifo); |
|
kfree(djrcv_dev); |
|
} |
|
|
|
static void dj_put_receiver_dev(struct hid_device *hdev) |
|
{ |
|
struct dj_receiver_dev *djrcv_dev = hid_get_drvdata(hdev); |
|
|
|
mutex_lock(&dj_hdev_list_lock); |
|
|
|
if (djrcv_dev->mouse == hdev) |
|
djrcv_dev->mouse = NULL; |
|
if (djrcv_dev->keyboard == hdev) |
|
djrcv_dev->keyboard = NULL; |
|
if (djrcv_dev->hidpp == hdev) |
|
djrcv_dev->hidpp = NULL; |
|
|
|
kref_put(&djrcv_dev->kref, dj_release_receiver_dev); |
|
|
|
mutex_unlock(&dj_hdev_list_lock); |
|
} |
|
|
|
static struct dj_receiver_dev *dj_get_receiver_dev(struct hid_device *hdev, |
|
enum recvr_type type, |
|
unsigned int application, |
|
bool is_hidpp) |
|
{ |
|
struct dj_receiver_dev *djrcv_dev; |
|
|
|
mutex_lock(&dj_hdev_list_lock); |
|
|
|
djrcv_dev = dj_find_receiver_dev(hdev, type); |
|
if (!djrcv_dev) { |
|
djrcv_dev = kzalloc(sizeof(*djrcv_dev), GFP_KERNEL); |
|
if (!djrcv_dev) |
|
goto out; |
|
|
|
INIT_WORK(&djrcv_dev->work, delayedwork_callback); |
|
spin_lock_init(&djrcv_dev->lock); |
|
if (kfifo_alloc(&djrcv_dev->notif_fifo, |
|
DJ_MAX_NUMBER_NOTIFS * sizeof(struct dj_workitem), |
|
GFP_KERNEL)) { |
|
kfree(djrcv_dev); |
|
djrcv_dev = NULL; |
|
goto out; |
|
} |
|
kref_init(&djrcv_dev->kref); |
|
list_add_tail(&djrcv_dev->list, &dj_hdev_list); |
|
djrcv_dev->last_query = jiffies; |
|
djrcv_dev->type = type; |
|
} |
|
|
|
if (application == HID_GD_KEYBOARD) |
|
djrcv_dev->keyboard = hdev; |
|
if (application == HID_GD_MOUSE) |
|
djrcv_dev->mouse = hdev; |
|
if (is_hidpp) |
|
djrcv_dev->hidpp = hdev; |
|
|
|
hid_set_drvdata(hdev, djrcv_dev); |
|
out: |
|
mutex_unlock(&dj_hdev_list_lock); |
|
return djrcv_dev; |
|
} |
|
|
|
static void logi_dj_recv_destroy_djhid_device(struct dj_receiver_dev *djrcv_dev, |
|
struct dj_workitem *workitem) |
|
{ |
|
/* Called in delayed work context */ |
|
struct dj_device *dj_dev; |
|
unsigned long flags; |
|
|
|
spin_lock_irqsave(&djrcv_dev->lock, flags); |
|
dj_dev = djrcv_dev->paired_dj_devices[workitem->device_index]; |
|
djrcv_dev->paired_dj_devices[workitem->device_index] = NULL; |
|
spin_unlock_irqrestore(&djrcv_dev->lock, flags); |
|
|
|
if (dj_dev != NULL) { |
|
hid_destroy_device(dj_dev->hdev); |
|
kfree(dj_dev); |
|
} else { |
|
hid_err(djrcv_dev->hidpp, "%s: can't destroy a NULL device\n", |
|
__func__); |
|
} |
|
} |
|
|
|
static void logi_dj_recv_add_djhid_device(struct dj_receiver_dev *djrcv_dev, |
|
struct dj_workitem *workitem) |
|
{ |
|
/* Called in delayed work context */ |
|
struct hid_device *djrcv_hdev = djrcv_dev->hidpp; |
|
struct hid_device *dj_hiddev; |
|
struct dj_device *dj_dev; |
|
u8 device_index = workitem->device_index; |
|
unsigned long flags; |
|
|
|
/* Device index goes from 1 to 6, we need 3 bytes to store the |
|
* semicolon, the index, and a null terminator |
|
*/ |
|
unsigned char tmpstr[3]; |
|
|
|
/* We are the only one ever adding a device, no need to lock */ |
|
if (djrcv_dev->paired_dj_devices[device_index]) { |
|
/* The device is already known. No need to reallocate it. */ |
|
dbg_hid("%s: device is already known\n", __func__); |
|
return; |
|
} |
|
|
|
dj_hiddev = hid_allocate_device(); |
|
if (IS_ERR(dj_hiddev)) { |
|
hid_err(djrcv_hdev, "%s: hid_allocate_dev failed\n", __func__); |
|
return; |
|
} |
|
|
|
dj_hiddev->ll_driver = &logi_dj_ll_driver; |
|
|
|
dj_hiddev->dev.parent = &djrcv_hdev->dev; |
|
dj_hiddev->bus = BUS_USB; |
|
dj_hiddev->vendor = djrcv_hdev->vendor; |
|
dj_hiddev->product = (workitem->quad_id_msb << 8) | |
|
workitem->quad_id_lsb; |
|
if (workitem->device_type) { |
|
const char *type_str = "Device"; |
|
|
|
switch (workitem->device_type) { |
|
case 0x01: type_str = "Keyboard"; break; |
|
case 0x02: type_str = "Mouse"; break; |
|
case 0x03: type_str = "Numpad"; break; |
|
case 0x04: type_str = "Presenter"; break; |
|
case 0x07: type_str = "Remote Control"; break; |
|
case 0x08: type_str = "Trackball"; break; |
|
case 0x09: type_str = "Touchpad"; break; |
|
} |
|
snprintf(dj_hiddev->name, sizeof(dj_hiddev->name), |
|
"Logitech Wireless %s PID:%04x", |
|
type_str, dj_hiddev->product); |
|
} else { |
|
snprintf(dj_hiddev->name, sizeof(dj_hiddev->name), |
|
"Logitech Wireless Device PID:%04x", |
|
dj_hiddev->product); |
|
} |
|
|
|
if (djrcv_dev->type == recvr_type_27mhz) |
|
dj_hiddev->group = HID_GROUP_LOGITECH_27MHZ_DEVICE; |
|
else |
|
dj_hiddev->group = HID_GROUP_LOGITECH_DJ_DEVICE; |
|
|
|
memcpy(dj_hiddev->phys, djrcv_hdev->phys, sizeof(djrcv_hdev->phys)); |
|
snprintf(tmpstr, sizeof(tmpstr), ":%d", device_index); |
|
strlcat(dj_hiddev->phys, tmpstr, sizeof(dj_hiddev->phys)); |
|
|
|
dj_dev = kzalloc(sizeof(struct dj_device), GFP_KERNEL); |
|
|
|
if (!dj_dev) { |
|
hid_err(djrcv_hdev, "%s: failed allocating dj_dev\n", __func__); |
|
goto dj_device_allocate_fail; |
|
} |
|
|
|
dj_dev->reports_supported = workitem->reports_supported; |
|
dj_dev->hdev = dj_hiddev; |
|
dj_dev->dj_receiver_dev = djrcv_dev; |
|
dj_dev->device_index = device_index; |
|
dj_hiddev->driver_data = dj_dev; |
|
|
|
spin_lock_irqsave(&djrcv_dev->lock, flags); |
|
djrcv_dev->paired_dj_devices[device_index] = dj_dev; |
|
spin_unlock_irqrestore(&djrcv_dev->lock, flags); |
|
|
|
if (hid_add_device(dj_hiddev)) { |
|
hid_err(djrcv_hdev, "%s: failed adding dj_device\n", __func__); |
|
goto hid_add_device_fail; |
|
} |
|
|
|
return; |
|
|
|
hid_add_device_fail: |
|
spin_lock_irqsave(&djrcv_dev->lock, flags); |
|
djrcv_dev->paired_dj_devices[device_index] = NULL; |
|
spin_unlock_irqrestore(&djrcv_dev->lock, flags); |
|
kfree(dj_dev); |
|
dj_device_allocate_fail: |
|
hid_destroy_device(dj_hiddev); |
|
} |
|
|
|
static void delayedwork_callback(struct work_struct *work) |
|
{ |
|
struct dj_receiver_dev *djrcv_dev = |
|
container_of(work, struct dj_receiver_dev, work); |
|
|
|
struct dj_workitem workitem; |
|
unsigned long flags; |
|
int count; |
|
int retval; |
|
|
|
dbg_hid("%s\n", __func__); |
|
|
|
spin_lock_irqsave(&djrcv_dev->lock, flags); |
|
|
|
/* |
|
* Since we attach to multiple interfaces, we may get scheduled before |
|
* we are bound to the HID++ interface, catch this. |
|
*/ |
|
if (!djrcv_dev->ready) { |
|
pr_warn("%s: delayedwork queued before hidpp interface was enumerated\n", |
|
__func__); |
|
spin_unlock_irqrestore(&djrcv_dev->lock, flags); |
|
return; |
|
} |
|
|
|
count = kfifo_out(&djrcv_dev->notif_fifo, &workitem, sizeof(workitem)); |
|
|
|
if (count != sizeof(workitem)) { |
|
spin_unlock_irqrestore(&djrcv_dev->lock, flags); |
|
return; |
|
} |
|
|
|
if (!kfifo_is_empty(&djrcv_dev->notif_fifo)) |
|
schedule_work(&djrcv_dev->work); |
|
|
|
spin_unlock_irqrestore(&djrcv_dev->lock, flags); |
|
|
|
switch (workitem.type) { |
|
case WORKITEM_TYPE_PAIRED: |
|
logi_dj_recv_add_djhid_device(djrcv_dev, &workitem); |
|
break; |
|
case WORKITEM_TYPE_UNPAIRED: |
|
logi_dj_recv_destroy_djhid_device(djrcv_dev, &workitem); |
|
break; |
|
case WORKITEM_TYPE_UNKNOWN: |
|
retval = logi_dj_recv_query_paired_devices(djrcv_dev); |
|
if (retval) { |
|
hid_err(djrcv_dev->hidpp, "%s: logi_dj_recv_query_paired_devices error: %d\n", |
|
__func__, retval); |
|
} |
|
break; |
|
case WORKITEM_TYPE_EMPTY: |
|
dbg_hid("%s: device list is empty\n", __func__); |
|
break; |
|
} |
|
} |
|
|
|
/* |
|
* Sometimes we receive reports for which we do not have a paired dj_device |
|
* associated with the device_index or report-type to forward the report to. |
|
* This means that the original "device paired" notification corresponding |
|
* to the dj_device never arrived to this driver. Possible reasons for this are: |
|
* 1) hid-core discards all packets coming from a device during probe(). |
|
* 2) if the receiver is plugged into a KVM switch then the pairing reports |
|
* are only forwarded to it if the focus is on this PC. |
|
* This function deals with this by re-asking the receiver for the list of |
|
* connected devices in the delayed work callback. |
|
* This function MUST be called with djrcv->lock held. |
|
*/ |
|
static void logi_dj_recv_queue_unknown_work(struct dj_receiver_dev *djrcv_dev) |
|
{ |
|
struct dj_workitem workitem = { .type = WORKITEM_TYPE_UNKNOWN }; |
|
|
|
/* Rate limit queries done because of unhandled reports to 2/sec */ |
|
if (time_before(jiffies, djrcv_dev->last_query + HZ / 2)) |
|
return; |
|
|
|
kfifo_in(&djrcv_dev->notif_fifo, &workitem, sizeof(workitem)); |
|
schedule_work(&djrcv_dev->work); |
|
} |
|
|
|
static void logi_dj_recv_queue_notification(struct dj_receiver_dev *djrcv_dev, |
|
struct dj_report *dj_report) |
|
{ |
|
/* We are called from atomic context (tasklet && djrcv->lock held) */ |
|
struct dj_workitem workitem = { |
|
.device_index = dj_report->device_index, |
|
}; |
|
|
|
switch (dj_report->report_type) { |
|
case REPORT_TYPE_NOTIF_DEVICE_PAIRED: |
|
workitem.type = WORKITEM_TYPE_PAIRED; |
|
if (dj_report->report_params[DEVICE_PAIRED_PARAM_SPFUNCTION] & |
|
SPFUNCTION_DEVICE_LIST_EMPTY) { |
|
workitem.type = WORKITEM_TYPE_EMPTY; |
|
break; |
|
} |
|
fallthrough; |
|
case REPORT_TYPE_NOTIF_DEVICE_UNPAIRED: |
|
workitem.quad_id_msb = |
|
dj_report->report_params[DEVICE_PAIRED_PARAM_EQUAD_ID_MSB]; |
|
workitem.quad_id_lsb = |
|
dj_report->report_params[DEVICE_PAIRED_PARAM_EQUAD_ID_LSB]; |
|
workitem.reports_supported = get_unaligned_le32( |
|
dj_report->report_params + |
|
DEVICE_PAIRED_RF_REPORT_TYPE); |
|
workitem.reports_supported |= HIDPP; |
|
if (dj_report->report_type == REPORT_TYPE_NOTIF_DEVICE_UNPAIRED) |
|
workitem.type = WORKITEM_TYPE_UNPAIRED; |
|
break; |
|
default: |
|
logi_dj_recv_queue_unknown_work(djrcv_dev); |
|
return; |
|
} |
|
|
|
kfifo_in(&djrcv_dev->notif_fifo, &workitem, sizeof(workitem)); |
|
schedule_work(&djrcv_dev->work); |
|
} |
|
|
|
/* |
|
* Some quad/bluetooth keyboards have a builtin touchpad in this case we see |
|
* only 1 paired device with a device_type of REPORT_TYPE_KEYBOARD. For the |
|
* touchpad to work we must also forward mouse input reports to the dj_hiddev |
|
* created for the keyboard (instead of forwarding them to a second paired |
|
* device with a device_type of REPORT_TYPE_MOUSE as we normally would). |
|
* |
|
* On Dinovo receivers the keyboard's touchpad and an optional paired actual |
|
* mouse send separate input reports, INPUT(2) aka STD_MOUSE for the mouse |
|
* and INPUT(5) aka KBD_MOUSE for the keyboard's touchpad. |
|
* |
|
* On MX5x00 receivers (which can also be paired with a Dinovo keyboard) |
|
* INPUT(2) is used for both an optional paired actual mouse and for the |
|
* keyboard's touchpad. |
|
*/ |
|
static const u16 kbd_builtin_touchpad_ids[] = { |
|
0xb309, /* Dinovo Edge */ |
|
0xb30c, /* Dinovo Mini */ |
|
}; |
|
|
|
static void logi_hidpp_dev_conn_notif_equad(struct hid_device *hdev, |
|
struct hidpp_event *hidpp_report, |
|
struct dj_workitem *workitem) |
|
{ |
|
struct dj_receiver_dev *djrcv_dev = hid_get_drvdata(hdev); |
|
int i, id; |
|
|
|
workitem->type = WORKITEM_TYPE_PAIRED; |
|
workitem->device_type = hidpp_report->params[HIDPP_PARAM_DEVICE_INFO] & |
|
HIDPP_DEVICE_TYPE_MASK; |
|
workitem->quad_id_msb = hidpp_report->params[HIDPP_PARAM_EQUAD_MSB]; |
|
workitem->quad_id_lsb = hidpp_report->params[HIDPP_PARAM_EQUAD_LSB]; |
|
switch (workitem->device_type) { |
|
case REPORT_TYPE_KEYBOARD: |
|
workitem->reports_supported |= STD_KEYBOARD | MULTIMEDIA | |
|
POWER_KEYS | MEDIA_CENTER | |
|
HIDPP; |
|
id = (workitem->quad_id_msb << 8) | workitem->quad_id_lsb; |
|
for (i = 0; i < ARRAY_SIZE(kbd_builtin_touchpad_ids); i++) { |
|
if (id == kbd_builtin_touchpad_ids[i]) { |
|
if (djrcv_dev->type == recvr_type_dinovo) |
|
workitem->reports_supported |= KBD_MOUSE; |
|
else |
|
workitem->reports_supported |= STD_MOUSE; |
|
break; |
|
} |
|
} |
|
break; |
|
case REPORT_TYPE_MOUSE: |
|
workitem->reports_supported |= STD_MOUSE | HIDPP; |
|
if (djrcv_dev->type == recvr_type_mouse_only) |
|
workitem->reports_supported |= MULTIMEDIA; |
|
break; |
|
} |
|
} |
|
|
|
static void logi_hidpp_dev_conn_notif_27mhz(struct hid_device *hdev, |
|
struct hidpp_event *hidpp_report, |
|
struct dj_workitem *workitem) |
|
{ |
|
workitem->type = WORKITEM_TYPE_PAIRED; |
|
workitem->quad_id_lsb = hidpp_report->params[HIDPP_PARAM_27MHZ_DEVID]; |
|
switch (hidpp_report->device_index) { |
|
case 1: /* Index 1 is always a mouse */ |
|
case 2: /* Index 2 is always a mouse */ |
|
workitem->device_type = HIDPP_DEVICE_TYPE_MOUSE; |
|
workitem->reports_supported |= STD_MOUSE | HIDPP; |
|
break; |
|
case 3: /* Index 3 is always the keyboard */ |
|
if (hidpp_report->params[HIDPP_PARAM_DEVICE_INFO] & HIDPP_27MHZ_SECURE_MASK) { |
|
hid_info(hdev, "Keyboard connection is encrypted\n"); |
|
} else { |
|
hid_warn(hdev, "Keyboard events are send over the air in plain-text / unencrypted\n"); |
|
hid_warn(hdev, "See: https://gitlab.freedesktop.org/jwrdegoede/logitech-27mhz-keyboard-encryption-setup/\n"); |
|
} |
|
fallthrough; |
|
case 4: /* Index 4 is used for an optional separate numpad */ |
|
workitem->device_type = HIDPP_DEVICE_TYPE_KEYBOARD; |
|
workitem->reports_supported |= STD_KEYBOARD | MULTIMEDIA | |
|
POWER_KEYS | HIDPP; |
|
break; |
|
default: |
|
hid_warn(hdev, "%s: unexpected device-index %d", __func__, |
|
hidpp_report->device_index); |
|
} |
|
} |
|
|
|
static void logi_hidpp_recv_queue_notif(struct hid_device *hdev, |
|
struct hidpp_event *hidpp_report) |
|
{ |
|
/* We are called from atomic context (tasklet && djrcv->lock held) */ |
|
struct dj_receiver_dev *djrcv_dev = hid_get_drvdata(hdev); |
|
const char *device_type = "UNKNOWN"; |
|
struct dj_workitem workitem = { |
|
.type = WORKITEM_TYPE_EMPTY, |
|
.device_index = hidpp_report->device_index, |
|
}; |
|
|
|
switch (hidpp_report->params[HIDPP_PARAM_PROTO_TYPE]) { |
|
case 0x01: |
|
device_type = "Bluetooth"; |
|
/* Bluetooth connect packet contents is the same as (e)QUAD */ |
|
logi_hidpp_dev_conn_notif_equad(hdev, hidpp_report, &workitem); |
|
if (!(hidpp_report->params[HIDPP_PARAM_DEVICE_INFO] & |
|
HIDPP_MANUFACTURER_MASK)) { |
|
hid_info(hdev, "Non Logitech device connected on slot %d\n", |
|
hidpp_report->device_index); |
|
workitem.reports_supported &= ~HIDPP; |
|
} |
|
break; |
|
case 0x02: |
|
device_type = "27 Mhz"; |
|
logi_hidpp_dev_conn_notif_27mhz(hdev, hidpp_report, &workitem); |
|
break; |
|
case 0x03: |
|
device_type = "QUAD or eQUAD"; |
|
logi_hidpp_dev_conn_notif_equad(hdev, hidpp_report, &workitem); |
|
break; |
|
case 0x04: |
|
device_type = "eQUAD step 4 DJ"; |
|
logi_hidpp_dev_conn_notif_equad(hdev, hidpp_report, &workitem); |
|
break; |
|
case 0x05: |
|
device_type = "DFU Lite"; |
|
break; |
|
case 0x06: |
|
device_type = "eQUAD step 4 Lite"; |
|
logi_hidpp_dev_conn_notif_equad(hdev, hidpp_report, &workitem); |
|
break; |
|
case 0x07: |
|
device_type = "eQUAD step 4 Gaming"; |
|
logi_hidpp_dev_conn_notif_equad(hdev, hidpp_report, &workitem); |
|
workitem.reports_supported |= STD_KEYBOARD; |
|
break; |
|
case 0x08: |
|
device_type = "eQUAD step 4 for gamepads"; |
|
break; |
|
case 0x0a: |
|
device_type = "eQUAD nano Lite"; |
|
logi_hidpp_dev_conn_notif_equad(hdev, hidpp_report, &workitem); |
|
break; |
|
case 0x0c: |
|
device_type = "eQUAD Lightspeed 1"; |
|
logi_hidpp_dev_conn_notif_equad(hdev, hidpp_report, &workitem); |
|
workitem.reports_supported |= STD_KEYBOARD; |
|
break; |
|
case 0x0d: |
|
device_type = "eQUAD Lightspeed 1.1"; |
|
logi_hidpp_dev_conn_notif_equad(hdev, hidpp_report, &workitem); |
|
workitem.reports_supported |= STD_KEYBOARD; |
|
break; |
|
case 0x0f: |
|
device_type = "eQUAD Lightspeed 1.2"; |
|
logi_hidpp_dev_conn_notif_equad(hdev, hidpp_report, &workitem); |
|
workitem.reports_supported |= STD_KEYBOARD; |
|
break; |
|
} |
|
|
|
/* custom receiver device (eg. powerplay) */ |
|
if (hidpp_report->device_index == 7) { |
|
workitem.reports_supported |= HIDPP; |
|
} |
|
|
|
if (workitem.type == WORKITEM_TYPE_EMPTY) { |
|
hid_warn(hdev, |
|
"unusable device of type %s (0x%02x) connected on slot %d", |
|
device_type, |
|
hidpp_report->params[HIDPP_PARAM_PROTO_TYPE], |
|
hidpp_report->device_index); |
|
return; |
|
} |
|
|
|
hid_info(hdev, "device of type %s (0x%02x) connected on slot %d", |
|
device_type, hidpp_report->params[HIDPP_PARAM_PROTO_TYPE], |
|
hidpp_report->device_index); |
|
|
|
kfifo_in(&djrcv_dev->notif_fifo, &workitem, sizeof(workitem)); |
|
schedule_work(&djrcv_dev->work); |
|
} |
|
|
|
static void logi_dj_recv_forward_null_report(struct dj_receiver_dev *djrcv_dev, |
|
struct dj_report *dj_report) |
|
{ |
|
/* We are called from atomic context (tasklet && djrcv->lock held) */ |
|
unsigned int i; |
|
u8 reportbuffer[MAX_REPORT_SIZE]; |
|
struct dj_device *djdev; |
|
|
|
djdev = djrcv_dev->paired_dj_devices[dj_report->device_index]; |
|
|
|
memset(reportbuffer, 0, sizeof(reportbuffer)); |
|
|
|
for (i = 0; i < NUMBER_OF_HID_REPORTS; i++) { |
|
if (djdev->reports_supported & (1 << i)) { |
|
reportbuffer[0] = i; |
|
if (hid_input_report(djdev->hdev, |
|
HID_INPUT_REPORT, |
|
reportbuffer, |
|
hid_reportid_size_map[i], 1)) { |
|
dbg_hid("hid_input_report error sending null " |
|
"report\n"); |
|
} |
|
} |
|
} |
|
} |
|
|
|
static void logi_dj_recv_forward_dj(struct dj_receiver_dev *djrcv_dev, |
|
struct dj_report *dj_report) |
|
{ |
|
/* We are called from atomic context (tasklet && djrcv->lock held) */ |
|
struct dj_device *dj_device; |
|
|
|
dj_device = djrcv_dev->paired_dj_devices[dj_report->device_index]; |
|
|
|
if ((dj_report->report_type > ARRAY_SIZE(hid_reportid_size_map) - 1) || |
|
(hid_reportid_size_map[dj_report->report_type] == 0)) { |
|
dbg_hid("invalid report type:%x\n", dj_report->report_type); |
|
return; |
|
} |
|
|
|
if (hid_input_report(dj_device->hdev, |
|
HID_INPUT_REPORT, &dj_report->report_type, |
|
hid_reportid_size_map[dj_report->report_type], 1)) { |
|
dbg_hid("hid_input_report error\n"); |
|
} |
|
} |
|
|
|
static void logi_dj_recv_forward_report(struct dj_device *dj_dev, u8 *data, |
|
int size) |
|
{ |
|
/* We are called from atomic context (tasklet && djrcv->lock held) */ |
|
if (hid_input_report(dj_dev->hdev, HID_INPUT_REPORT, data, size, 1)) |
|
dbg_hid("hid_input_report error\n"); |
|
} |
|
|
|
static void logi_dj_recv_forward_input_report(struct hid_device *hdev, |
|
u8 *data, int size) |
|
{ |
|
struct dj_receiver_dev *djrcv_dev = hid_get_drvdata(hdev); |
|
struct dj_device *dj_dev; |
|
unsigned long flags; |
|
u8 report = data[0]; |
|
int i; |
|
|
|
if (report > REPORT_TYPE_RFREPORT_LAST) { |
|
hid_err(hdev, "Unexpected input report number %d\n", report); |
|
return; |
|
} |
|
|
|
spin_lock_irqsave(&djrcv_dev->lock, flags); |
|
for (i = 0; i < (DJ_MAX_PAIRED_DEVICES + DJ_DEVICE_INDEX_MIN); i++) { |
|
dj_dev = djrcv_dev->paired_dj_devices[i]; |
|
if (dj_dev && (dj_dev->reports_supported & BIT(report))) { |
|
logi_dj_recv_forward_report(dj_dev, data, size); |
|
spin_unlock_irqrestore(&djrcv_dev->lock, flags); |
|
return; |
|
} |
|
} |
|
|
|
logi_dj_recv_queue_unknown_work(djrcv_dev); |
|
spin_unlock_irqrestore(&djrcv_dev->lock, flags); |
|
|
|
dbg_hid("No dj-devs handling input report number %d\n", report); |
|
} |
|
|
|
static int logi_dj_recv_send_report(struct dj_receiver_dev *djrcv_dev, |
|
struct dj_report *dj_report) |
|
{ |
|
struct hid_device *hdev = djrcv_dev->hidpp; |
|
struct hid_report *report; |
|
struct hid_report_enum *output_report_enum; |
|
u8 *data = (u8 *)(&dj_report->device_index); |
|
unsigned int i; |
|
|
|
output_report_enum = &hdev->report_enum[HID_OUTPUT_REPORT]; |
|
report = output_report_enum->report_id_hash[REPORT_ID_DJ_SHORT]; |
|
|
|
if (!report) { |
|
hid_err(hdev, "%s: unable to find dj report\n", __func__); |
|
return -ENODEV; |
|
} |
|
|
|
for (i = 0; i < DJREPORT_SHORT_LENGTH - 1; i++) |
|
report->field[0]->value[i] = data[i]; |
|
|
|
hid_hw_request(hdev, report, HID_REQ_SET_REPORT); |
|
|
|
return 0; |
|
} |
|
|
|
static int logi_dj_recv_query_hidpp_devices(struct dj_receiver_dev *djrcv_dev) |
|
{ |
|
static const u8 template[] = { |
|
REPORT_ID_HIDPP_SHORT, |
|
HIDPP_RECEIVER_INDEX, |
|
HIDPP_SET_REGISTER, |
|
HIDPP_REG_CONNECTION_STATE, |
|
HIDPP_FAKE_DEVICE_ARRIVAL, |
|
0x00, 0x00 |
|
}; |
|
u8 *hidpp_report; |
|
int retval; |
|
|
|
hidpp_report = kmemdup(template, sizeof(template), GFP_KERNEL); |
|
if (!hidpp_report) |
|
return -ENOMEM; |
|
|
|
retval = hid_hw_raw_request(djrcv_dev->hidpp, |
|
REPORT_ID_HIDPP_SHORT, |
|
hidpp_report, sizeof(template), |
|
HID_OUTPUT_REPORT, |
|
HID_REQ_SET_REPORT); |
|
|
|
kfree(hidpp_report); |
|
return (retval < 0) ? retval : 0; |
|
} |
|
|
|
static int logi_dj_recv_query_paired_devices(struct dj_receiver_dev *djrcv_dev) |
|
{ |
|
struct dj_report *dj_report; |
|
int retval; |
|
|
|
djrcv_dev->last_query = jiffies; |
|
|
|
if (djrcv_dev->type != recvr_type_dj) |
|
return logi_dj_recv_query_hidpp_devices(djrcv_dev); |
|
|
|
dj_report = kzalloc(sizeof(struct dj_report), GFP_KERNEL); |
|
if (!dj_report) |
|
return -ENOMEM; |
|
dj_report->report_id = REPORT_ID_DJ_SHORT; |
|
dj_report->device_index = HIDPP_RECEIVER_INDEX; |
|
dj_report->report_type = REPORT_TYPE_CMD_GET_PAIRED_DEVICES; |
|
retval = logi_dj_recv_send_report(djrcv_dev, dj_report); |
|
kfree(dj_report); |
|
return retval; |
|
} |
|
|
|
|
|
static int logi_dj_recv_switch_to_dj_mode(struct dj_receiver_dev *djrcv_dev, |
|
unsigned timeout) |
|
{ |
|
struct hid_device *hdev = djrcv_dev->hidpp; |
|
struct dj_report *dj_report; |
|
u8 *buf; |
|
int retval = 0; |
|
|
|
dj_report = kzalloc(sizeof(struct dj_report), GFP_KERNEL); |
|
if (!dj_report) |
|
return -ENOMEM; |
|
|
|
if (djrcv_dev->type == recvr_type_dj) { |
|
dj_report->report_id = REPORT_ID_DJ_SHORT; |
|
dj_report->device_index = HIDPP_RECEIVER_INDEX; |
|
dj_report->report_type = REPORT_TYPE_CMD_SWITCH; |
|
dj_report->report_params[CMD_SWITCH_PARAM_DEVBITFIELD] = 0x3F; |
|
dj_report->report_params[CMD_SWITCH_PARAM_TIMEOUT_SECONDS] = |
|
(u8)timeout; |
|
|
|
retval = logi_dj_recv_send_report(djrcv_dev, dj_report); |
|
|
|
/* |
|
* Ugly sleep to work around a USB 3.0 bug when the receiver is |
|
* still processing the "switch-to-dj" command while we send an |
|
* other command. |
|
* 50 msec should gives enough time to the receiver to be ready. |
|
*/ |
|
msleep(50); |
|
} |
|
|
|
/* |
|
* Magical bits to set up hidpp notifications when the dj devices |
|
* are connected/disconnected. |
|
* |
|
* We can reuse dj_report because HIDPP_REPORT_SHORT_LENGTH is smaller |
|
* than DJREPORT_SHORT_LENGTH. |
|
*/ |
|
buf = (u8 *)dj_report; |
|
|
|
memset(buf, 0, HIDPP_REPORT_SHORT_LENGTH); |
|
|
|
buf[0] = REPORT_ID_HIDPP_SHORT; |
|
buf[1] = HIDPP_RECEIVER_INDEX; |
|
buf[2] = 0x80; |
|
buf[3] = 0x00; |
|
buf[4] = 0x00; |
|
buf[5] = 0x09; |
|
buf[6] = 0x00; |
|
|
|
hid_hw_raw_request(hdev, REPORT_ID_HIDPP_SHORT, buf, |
|
HIDPP_REPORT_SHORT_LENGTH, HID_OUTPUT_REPORT, |
|
HID_REQ_SET_REPORT); |
|
|
|
kfree(dj_report); |
|
return retval; |
|
} |
|
|
|
|
|
static int logi_dj_ll_open(struct hid_device *hid) |
|
{ |
|
dbg_hid("%s: %s\n", __func__, hid->phys); |
|
return 0; |
|
|
|
} |
|
|
|
static void logi_dj_ll_close(struct hid_device *hid) |
|
{ |
|
dbg_hid("%s: %s\n", __func__, hid->phys); |
|
} |
|
|
|
/* |
|
* Register 0xB5 is "pairing information". It is solely intended for the |
|
* receiver, so do not overwrite the device index. |
|
*/ |
|
static u8 unifying_pairing_query[] = { REPORT_ID_HIDPP_SHORT, |
|
HIDPP_RECEIVER_INDEX, |
|
HIDPP_GET_LONG_REGISTER, |
|
HIDPP_REG_PAIRING_INFORMATION }; |
|
static u8 unifying_pairing_answer[] = { REPORT_ID_HIDPP_LONG, |
|
HIDPP_RECEIVER_INDEX, |
|
HIDPP_GET_LONG_REGISTER, |
|
HIDPP_REG_PAIRING_INFORMATION }; |
|
|
|
static int logi_dj_ll_raw_request(struct hid_device *hid, |
|
unsigned char reportnum, __u8 *buf, |
|
size_t count, unsigned char report_type, |
|
int reqtype) |
|
{ |
|
struct dj_device *djdev = hid->driver_data; |
|
struct dj_receiver_dev *djrcv_dev = djdev->dj_receiver_dev; |
|
u8 *out_buf; |
|
int ret; |
|
|
|
if ((buf[0] == REPORT_ID_HIDPP_SHORT) || |
|
(buf[0] == REPORT_ID_HIDPP_LONG) || |
|
(buf[0] == REPORT_ID_HIDPP_VERY_LONG)) { |
|
if (count < 2) |
|
return -EINVAL; |
|
|
|
/* special case where we should not overwrite |
|
* the device_index */ |
|
if (count == 7 && !memcmp(buf, unifying_pairing_query, |
|
sizeof(unifying_pairing_query))) |
|
buf[4] = (buf[4] & 0xf0) | (djdev->device_index - 1); |
|
else |
|
buf[1] = djdev->device_index; |
|
return hid_hw_raw_request(djrcv_dev->hidpp, reportnum, buf, |
|
count, report_type, reqtype); |
|
} |
|
|
|
if (buf[0] != REPORT_TYPE_LEDS) |
|
return -EINVAL; |
|
|
|
if (djrcv_dev->type != recvr_type_dj && count >= 2) { |
|
if (!djrcv_dev->keyboard) { |
|
hid_warn(hid, "Received REPORT_TYPE_LEDS request before the keyboard interface was enumerated\n"); |
|
return 0; |
|
} |
|
/* usbhid overrides the report ID and ignores the first byte */ |
|
return hid_hw_raw_request(djrcv_dev->keyboard, 0, buf, count, |
|
report_type, reqtype); |
|
} |
|
|
|
out_buf = kzalloc(DJREPORT_SHORT_LENGTH, GFP_ATOMIC); |
|
if (!out_buf) |
|
return -ENOMEM; |
|
|
|
if (count > DJREPORT_SHORT_LENGTH - 2) |
|
count = DJREPORT_SHORT_LENGTH - 2; |
|
|
|
out_buf[0] = REPORT_ID_DJ_SHORT; |
|
out_buf[1] = djdev->device_index; |
|
memcpy(out_buf + 2, buf, count); |
|
|
|
ret = hid_hw_raw_request(djrcv_dev->hidpp, out_buf[0], out_buf, |
|
DJREPORT_SHORT_LENGTH, report_type, reqtype); |
|
|
|
kfree(out_buf); |
|
return ret; |
|
} |
|
|
|
static void rdcat(char *rdesc, unsigned int *rsize, const char *data, unsigned int size) |
|
{ |
|
memcpy(rdesc + *rsize, data, size); |
|
*rsize += size; |
|
} |
|
|
|
static int logi_dj_ll_parse(struct hid_device *hid) |
|
{ |
|
struct dj_device *djdev = hid->driver_data; |
|
unsigned int rsize = 0; |
|
char *rdesc; |
|
int retval; |
|
|
|
dbg_hid("%s\n", __func__); |
|
|
|
djdev->hdev->version = 0x0111; |
|
djdev->hdev->country = 0x00; |
|
|
|
rdesc = kmalloc(MAX_RDESC_SIZE, GFP_KERNEL); |
|
if (!rdesc) |
|
return -ENOMEM; |
|
|
|
if (djdev->reports_supported & STD_KEYBOARD) { |
|
dbg_hid("%s: sending a kbd descriptor, reports_supported: %llx\n", |
|
__func__, djdev->reports_supported); |
|
rdcat(rdesc, &rsize, kbd_descriptor, sizeof(kbd_descriptor)); |
|
} |
|
|
|
if (djdev->reports_supported & STD_MOUSE) { |
|
dbg_hid("%s: sending a mouse descriptor, reports_supported: %llx\n", |
|
__func__, djdev->reports_supported); |
|
if (djdev->dj_receiver_dev->type == recvr_type_gaming_hidpp || |
|
djdev->dj_receiver_dev->type == recvr_type_mouse_only) |
|
rdcat(rdesc, &rsize, mse_high_res_descriptor, |
|
sizeof(mse_high_res_descriptor)); |
|
else if (djdev->dj_receiver_dev->type == recvr_type_27mhz) |
|
rdcat(rdesc, &rsize, mse_27mhz_descriptor, |
|
sizeof(mse_27mhz_descriptor)); |
|
else if (recvr_type_is_bluetooth(djdev->dj_receiver_dev->type)) |
|
rdcat(rdesc, &rsize, mse_bluetooth_descriptor, |
|
sizeof(mse_bluetooth_descriptor)); |
|
else |
|
rdcat(rdesc, &rsize, mse_descriptor, |
|
sizeof(mse_descriptor)); |
|
} |
|
|
|
if (djdev->reports_supported & KBD_MOUSE) { |
|
dbg_hid("%s: sending a kbd-mouse descriptor, reports_supported: %llx\n", |
|
__func__, djdev->reports_supported); |
|
rdcat(rdesc, &rsize, mse5_bluetooth_descriptor, |
|
sizeof(mse5_bluetooth_descriptor)); |
|
} |
|
|
|
if (djdev->reports_supported & MULTIMEDIA) { |
|
dbg_hid("%s: sending a multimedia report descriptor: %llx\n", |
|
__func__, djdev->reports_supported); |
|
rdcat(rdesc, &rsize, consumer_descriptor, sizeof(consumer_descriptor)); |
|
} |
|
|
|
if (djdev->reports_supported & POWER_KEYS) { |
|
dbg_hid("%s: sending a power keys report descriptor: %llx\n", |
|
__func__, djdev->reports_supported); |
|
rdcat(rdesc, &rsize, syscontrol_descriptor, sizeof(syscontrol_descriptor)); |
|
} |
|
|
|
if (djdev->reports_supported & MEDIA_CENTER) { |
|
dbg_hid("%s: sending a media center report descriptor: %llx\n", |
|
__func__, djdev->reports_supported); |
|
rdcat(rdesc, &rsize, media_descriptor, sizeof(media_descriptor)); |
|
} |
|
|
|
if (djdev->reports_supported & KBD_LEDS) { |
|
dbg_hid("%s: need to send kbd leds report descriptor: %llx\n", |
|
__func__, djdev->reports_supported); |
|
} |
|
|
|
if (djdev->reports_supported & HIDPP) { |
|
dbg_hid("%s: sending a HID++ descriptor, reports_supported: %llx\n", |
|
__func__, djdev->reports_supported); |
|
rdcat(rdesc, &rsize, hidpp_descriptor, |
|
sizeof(hidpp_descriptor)); |
|
} |
|
|
|
retval = hid_parse_report(hid, rdesc, rsize); |
|
kfree(rdesc); |
|
|
|
return retval; |
|
} |
|
|
|
static int logi_dj_ll_start(struct hid_device *hid) |
|
{ |
|
dbg_hid("%s\n", __func__); |
|
return 0; |
|
} |
|
|
|
static void logi_dj_ll_stop(struct hid_device *hid) |
|
{ |
|
dbg_hid("%s\n", __func__); |
|
} |
|
|
|
static bool logi_dj_ll_may_wakeup(struct hid_device *hid) |
|
{ |
|
struct dj_device *djdev = hid->driver_data; |
|
struct dj_receiver_dev *djrcv_dev = djdev->dj_receiver_dev; |
|
|
|
return hid_hw_may_wakeup(djrcv_dev->hidpp); |
|
} |
|
|
|
static struct hid_ll_driver logi_dj_ll_driver = { |
|
.parse = logi_dj_ll_parse, |
|
.start = logi_dj_ll_start, |
|
.stop = logi_dj_ll_stop, |
|
.open = logi_dj_ll_open, |
|
.close = logi_dj_ll_close, |
|
.raw_request = logi_dj_ll_raw_request, |
|
.may_wakeup = logi_dj_ll_may_wakeup, |
|
}; |
|
|
|
static int logi_dj_dj_event(struct hid_device *hdev, |
|
struct hid_report *report, u8 *data, |
|
int size) |
|
{ |
|
struct dj_receiver_dev *djrcv_dev = hid_get_drvdata(hdev); |
|
struct dj_report *dj_report = (struct dj_report *) data; |
|
unsigned long flags; |
|
|
|
/* |
|
* Here we receive all data coming from iface 2, there are 3 cases: |
|
* |
|
* 1) Data is intended for this driver i. e. data contains arrival, |
|
* departure, etc notifications, in which case we queue them for delayed |
|
* processing by the work queue. We return 1 to hid-core as no further |
|
* processing is required from it. |
|
* |
|
* 2) Data informs a connection change, if the change means rf link |
|
* loss, then we must send a null report to the upper layer to discard |
|
* potentially pressed keys that may be repeated forever by the input |
|
* layer. Return 1 to hid-core as no further processing is required. |
|
* |
|
* 3) Data is an actual input event from a paired DJ device in which |
|
* case we forward it to the correct hid device (via hid_input_report() |
|
* ) and return 1 so hid-core does not anything else with it. |
|
*/ |
|
|
|
if ((dj_report->device_index < DJ_DEVICE_INDEX_MIN) || |
|
(dj_report->device_index > DJ_DEVICE_INDEX_MAX)) { |
|
/* |
|
* Device index is wrong, bail out. |
|
* This driver can ignore safely the receiver notifications, |
|
* so ignore those reports too. |
|
*/ |
|
if (dj_report->device_index != DJ_RECEIVER_INDEX) |
|
hid_err(hdev, "%s: invalid device index:%d\n", |
|
__func__, dj_report->device_index); |
|
return false; |
|
} |
|
|
|
spin_lock_irqsave(&djrcv_dev->lock, flags); |
|
|
|
if (!djrcv_dev->paired_dj_devices[dj_report->device_index]) { |
|
/* received an event for an unknown device, bail out */ |
|
logi_dj_recv_queue_notification(djrcv_dev, dj_report); |
|
goto out; |
|
} |
|
|
|
switch (dj_report->report_type) { |
|
case REPORT_TYPE_NOTIF_DEVICE_PAIRED: |
|
/* pairing notifications are handled above the switch */ |
|
break; |
|
case REPORT_TYPE_NOTIF_DEVICE_UNPAIRED: |
|
logi_dj_recv_queue_notification(djrcv_dev, dj_report); |
|
break; |
|
case REPORT_TYPE_NOTIF_CONNECTION_STATUS: |
|
if (dj_report->report_params[CONNECTION_STATUS_PARAM_STATUS] == |
|
STATUS_LINKLOSS) { |
|
logi_dj_recv_forward_null_report(djrcv_dev, dj_report); |
|
} |
|
break; |
|
default: |
|
logi_dj_recv_forward_dj(djrcv_dev, dj_report); |
|
} |
|
|
|
out: |
|
spin_unlock_irqrestore(&djrcv_dev->lock, flags); |
|
|
|
return true; |
|
} |
|
|
|
static int logi_dj_hidpp_event(struct hid_device *hdev, |
|
struct hid_report *report, u8 *data, |
|
int size) |
|
{ |
|
struct dj_receiver_dev *djrcv_dev = hid_get_drvdata(hdev); |
|
struct hidpp_event *hidpp_report = (struct hidpp_event *) data; |
|
struct dj_device *dj_dev; |
|
unsigned long flags; |
|
u8 device_index = hidpp_report->device_index; |
|
|
|
if (device_index == HIDPP_RECEIVER_INDEX) { |
|
/* special case were the device wants to know its unifying |
|
* name */ |
|
if (size == HIDPP_REPORT_LONG_LENGTH && |
|
!memcmp(data, unifying_pairing_answer, |
|
sizeof(unifying_pairing_answer))) |
|
device_index = (data[4] & 0x0F) + 1; |
|
else |
|
return false; |
|
} |
|
|
|
/* |
|
* Data is from the HID++ collection, in this case, we forward the |
|
* data to the corresponding child dj device and return 0 to hid-core |
|
* so he data also goes to the hidraw device of the receiver. This |
|
* allows a user space application to implement the full HID++ routing |
|
* via the receiver. |
|
*/ |
|
|
|
if ((device_index < DJ_DEVICE_INDEX_MIN) || |
|
(device_index > DJ_DEVICE_INDEX_MAX)) { |
|
/* |
|
* Device index is wrong, bail out. |
|
* This driver can ignore safely the receiver notifications, |
|
* so ignore those reports too. |
|
*/ |
|
hid_err(hdev, "%s: invalid device index:%d\n", __func__, |
|
hidpp_report->device_index); |
|
return false; |
|
} |
|
|
|
spin_lock_irqsave(&djrcv_dev->lock, flags); |
|
|
|
dj_dev = djrcv_dev->paired_dj_devices[device_index]; |
|
|
|
/* |
|
* With 27 MHz receivers, we do not get an explicit unpair event, |
|
* remove the old device if the user has paired a *different* device. |
|
*/ |
|
if (djrcv_dev->type == recvr_type_27mhz && dj_dev && |
|
hidpp_report->sub_id == REPORT_TYPE_NOTIF_DEVICE_CONNECTED && |
|
hidpp_report->params[HIDPP_PARAM_PROTO_TYPE] == 0x02 && |
|
hidpp_report->params[HIDPP_PARAM_27MHZ_DEVID] != |
|
dj_dev->hdev->product) { |
|
struct dj_workitem workitem = { |
|
.device_index = hidpp_report->device_index, |
|
.type = WORKITEM_TYPE_UNPAIRED, |
|
}; |
|
kfifo_in(&djrcv_dev->notif_fifo, &workitem, sizeof(workitem)); |
|
/* logi_hidpp_recv_queue_notif will queue the work */ |
|
dj_dev = NULL; |
|
} |
|
|
|
if (dj_dev) { |
|
logi_dj_recv_forward_report(dj_dev, data, size); |
|
} else { |
|
if (hidpp_report->sub_id == REPORT_TYPE_NOTIF_DEVICE_CONNECTED) |
|
logi_hidpp_recv_queue_notif(hdev, hidpp_report); |
|
else |
|
logi_dj_recv_queue_unknown_work(djrcv_dev); |
|
} |
|
|
|
spin_unlock_irqrestore(&djrcv_dev->lock, flags); |
|
|
|
return false; |
|
} |
|
|
|
static int logi_dj_raw_event(struct hid_device *hdev, |
|
struct hid_report *report, u8 *data, |
|
int size) |
|
{ |
|
struct dj_receiver_dev *djrcv_dev = hid_get_drvdata(hdev); |
|
dbg_hid("%s, size:%d\n", __func__, size); |
|
|
|
if (!djrcv_dev) |
|
return 0; |
|
|
|
if (!hdev->report_enum[HID_INPUT_REPORT].numbered) { |
|
|
|
if (djrcv_dev->unnumbered_application == HID_GD_KEYBOARD) { |
|
/* |
|
* For the keyboard, we can reuse the same report by |
|
* using the second byte which is constant in the USB |
|
* HID report descriptor. |
|
*/ |
|
data[1] = data[0]; |
|
data[0] = REPORT_TYPE_KEYBOARD; |
|
|
|
logi_dj_recv_forward_input_report(hdev, data, size); |
|
|
|
/* restore previous state */ |
|
data[0] = data[1]; |
|
data[1] = 0; |
|
} |
|
/* |
|
* Mouse-only receivers send unnumbered mouse data. The 27 MHz |
|
* receiver uses 6 byte packets, the nano receiver 8 bytes. |
|
*/ |
|
if (djrcv_dev->unnumbered_application == HID_GD_MOUSE && |
|
size <= 8) { |
|
u8 mouse_report[9]; |
|
|
|
/* Prepend report id */ |
|
mouse_report[0] = REPORT_TYPE_MOUSE; |
|
memcpy(mouse_report + 1, data, size); |
|
logi_dj_recv_forward_input_report(hdev, mouse_report, |
|
size + 1); |
|
} |
|
|
|
return false; |
|
} |
|
|
|
switch (data[0]) { |
|
case REPORT_ID_DJ_SHORT: |
|
if (size != DJREPORT_SHORT_LENGTH) { |
|
hid_err(hdev, "Short DJ report bad size (%d)", size); |
|
return false; |
|
} |
|
return logi_dj_dj_event(hdev, report, data, size); |
|
case REPORT_ID_DJ_LONG: |
|
if (size != DJREPORT_LONG_LENGTH) { |
|
hid_err(hdev, "Long DJ report bad size (%d)", size); |
|
return false; |
|
} |
|
return logi_dj_dj_event(hdev, report, data, size); |
|
case REPORT_ID_HIDPP_SHORT: |
|
if (size != HIDPP_REPORT_SHORT_LENGTH) { |
|
hid_err(hdev, "Short HID++ report bad size (%d)", size); |
|
return false; |
|
} |
|
return logi_dj_hidpp_event(hdev, report, data, size); |
|
case REPORT_ID_HIDPP_LONG: |
|
if (size != HIDPP_REPORT_LONG_LENGTH) { |
|
hid_err(hdev, "Long HID++ report bad size (%d)", size); |
|
return false; |
|
} |
|
return logi_dj_hidpp_event(hdev, report, data, size); |
|
} |
|
|
|
logi_dj_recv_forward_input_report(hdev, data, size); |
|
|
|
return false; |
|
} |
|
|
|
static int logi_dj_probe(struct hid_device *hdev, |
|
const struct hid_device_id *id) |
|
{ |
|
struct hid_report_enum *rep_enum; |
|
struct hid_report *rep; |
|
struct dj_receiver_dev *djrcv_dev; |
|
struct usb_interface *intf; |
|
unsigned int no_dj_interfaces = 0; |
|
bool has_hidpp = false; |
|
unsigned long flags; |
|
int retval; |
|
|
|
/* |
|
* Call to usbhid to fetch the HID descriptors of the current |
|
* interface subsequently call to the hid/hid-core to parse the |
|
* fetched descriptors. |
|
*/ |
|
retval = hid_parse(hdev); |
|
if (retval) { |
|
hid_err(hdev, "%s: parse failed\n", __func__); |
|
return retval; |
|
} |
|
|
|
/* |
|
* Some KVMs add an extra interface for e.g. mouse emulation. If we |
|
* treat these as logitech-dj interfaces then this causes input events |
|
* reported through this extra interface to not be reported correctly. |
|
* To avoid this, we treat these as generic-hid devices. |
|
*/ |
|
switch (id->driver_data) { |
|
case recvr_type_dj: no_dj_interfaces = 3; break; |
|
case recvr_type_hidpp: no_dj_interfaces = 2; break; |
|
case recvr_type_gaming_hidpp: no_dj_interfaces = 3; break; |
|
case recvr_type_mouse_only: no_dj_interfaces = 2; break; |
|
case recvr_type_27mhz: no_dj_interfaces = 2; break; |
|
case recvr_type_bluetooth: no_dj_interfaces = 2; break; |
|
case recvr_type_dinovo: no_dj_interfaces = 2; break; |
|
} |
|
if (hid_is_using_ll_driver(hdev, &usb_hid_driver)) { |
|
intf = to_usb_interface(hdev->dev.parent); |
|
if (intf && intf->altsetting->desc.bInterfaceNumber >= |
|
no_dj_interfaces) { |
|
hdev->quirks |= HID_QUIRK_INPUT_PER_APP; |
|
return hid_hw_start(hdev, HID_CONNECT_DEFAULT); |
|
} |
|
} |
|
|
|
rep_enum = &hdev->report_enum[HID_INPUT_REPORT]; |
|
|
|
/* no input reports, bail out */ |
|
if (list_empty(&rep_enum->report_list)) |
|
return -ENODEV; |
|
|
|
/* |
|
* Check for the HID++ application. |
|
* Note: we should theoretically check for HID++ and DJ |
|
* collections, but this will do. |
|
*/ |
|
list_for_each_entry(rep, &rep_enum->report_list, list) { |
|
if (rep->application == 0xff000001) |
|
has_hidpp = true; |
|
} |
|
|
|
/* |
|
* Ignore interfaces without DJ/HID++ collection, they will not carry |
|
* any data, dont create any hid_device for them. |
|
*/ |
|
if (!has_hidpp && id->driver_data == recvr_type_dj) |
|
return -ENODEV; |
|
|
|
/* get the current application attached to the node */ |
|
rep = list_first_entry(&rep_enum->report_list, struct hid_report, list); |
|
djrcv_dev = dj_get_receiver_dev(hdev, id->driver_data, |
|
rep->application, has_hidpp); |
|
if (!djrcv_dev) { |
|
hid_err(hdev, "%s: dj_get_receiver_dev failed\n", __func__); |
|
return -ENOMEM; |
|
} |
|
|
|
if (!rep_enum->numbered) |
|
djrcv_dev->unnumbered_application = rep->application; |
|
|
|
/* Starts the usb device and connects to upper interfaces hiddev and |
|
* hidraw */ |
|
retval = hid_hw_start(hdev, HID_CONNECT_HIDRAW|HID_CONNECT_HIDDEV); |
|
if (retval) { |
|
hid_err(hdev, "%s: hid_hw_start returned error\n", __func__); |
|
goto hid_hw_start_fail; |
|
} |
|
|
|
if (has_hidpp) { |
|
retval = logi_dj_recv_switch_to_dj_mode(djrcv_dev, 0); |
|
if (retval < 0) { |
|
hid_err(hdev, "%s: logi_dj_recv_switch_to_dj_mode returned error:%d\n", |
|
__func__, retval); |
|
goto switch_to_dj_mode_fail; |
|
} |
|
} |
|
|
|
/* This is enabling the polling urb on the IN endpoint */ |
|
retval = hid_hw_open(hdev); |
|
if (retval < 0) { |
|
hid_err(hdev, "%s: hid_hw_open returned error:%d\n", |
|
__func__, retval); |
|
goto llopen_failed; |
|
} |
|
|
|
/* Allow incoming packets to arrive: */ |
|
hid_device_io_start(hdev); |
|
|
|
if (has_hidpp) { |
|
spin_lock_irqsave(&djrcv_dev->lock, flags); |
|
djrcv_dev->ready = true; |
|
spin_unlock_irqrestore(&djrcv_dev->lock, flags); |
|
retval = logi_dj_recv_query_paired_devices(djrcv_dev); |
|
if (retval < 0) { |
|
hid_err(hdev, "%s: logi_dj_recv_query_paired_devices error:%d\n", |
|
__func__, retval); |
|
/* |
|
* This can happen with a KVM, let the probe succeed, |
|
* logi_dj_recv_queue_unknown_work will retry later. |
|
*/ |
|
} |
|
} |
|
|
|
return 0; |
|
|
|
llopen_failed: |
|
switch_to_dj_mode_fail: |
|
hid_hw_stop(hdev); |
|
|
|
hid_hw_start_fail: |
|
dj_put_receiver_dev(hdev); |
|
return retval; |
|
} |
|
|
|
#ifdef CONFIG_PM |
|
static int logi_dj_reset_resume(struct hid_device *hdev) |
|
{ |
|
int retval; |
|
struct dj_receiver_dev *djrcv_dev = hid_get_drvdata(hdev); |
|
|
|
if (!djrcv_dev || djrcv_dev->hidpp != hdev) |
|
return 0; |
|
|
|
retval = logi_dj_recv_switch_to_dj_mode(djrcv_dev, 0); |
|
if (retval < 0) { |
|
hid_err(hdev, "%s: logi_dj_recv_switch_to_dj_mode returned error:%d\n", |
|
__func__, retval); |
|
} |
|
|
|
return 0; |
|
} |
|
#endif |
|
|
|
static void logi_dj_remove(struct hid_device *hdev) |
|
{ |
|
struct dj_receiver_dev *djrcv_dev = hid_get_drvdata(hdev); |
|
struct dj_device *dj_dev; |
|
unsigned long flags; |
|
int i; |
|
|
|
dbg_hid("%s\n", __func__); |
|
|
|
if (!djrcv_dev) |
|
return hid_hw_stop(hdev); |
|
|
|
/* |
|
* This ensures that if the work gets requeued from another |
|
* interface of the same receiver it will be a no-op. |
|
*/ |
|
spin_lock_irqsave(&djrcv_dev->lock, flags); |
|
djrcv_dev->ready = false; |
|
spin_unlock_irqrestore(&djrcv_dev->lock, flags); |
|
|
|
cancel_work_sync(&djrcv_dev->work); |
|
|
|
hid_hw_close(hdev); |
|
hid_hw_stop(hdev); |
|
|
|
/* |
|
* For proper operation we need access to all interfaces, so we destroy |
|
* the paired devices when we're unbound from any interface. |
|
* |
|
* Note we may still be bound to other interfaces, sharing the same |
|
* djrcv_dev, so we need locking here. |
|
*/ |
|
for (i = 0; i < (DJ_MAX_PAIRED_DEVICES + DJ_DEVICE_INDEX_MIN); i++) { |
|
spin_lock_irqsave(&djrcv_dev->lock, flags); |
|
dj_dev = djrcv_dev->paired_dj_devices[i]; |
|
djrcv_dev->paired_dj_devices[i] = NULL; |
|
spin_unlock_irqrestore(&djrcv_dev->lock, flags); |
|
if (dj_dev != NULL) { |
|
hid_destroy_device(dj_dev->hdev); |
|
kfree(dj_dev); |
|
} |
|
} |
|
|
|
dj_put_receiver_dev(hdev); |
|
} |
|
|
|
static const struct hid_device_id logi_dj_receivers[] = { |
|
{ /* Logitech unifying receiver (0xc52b) */ |
|
HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, |
|
USB_DEVICE_ID_LOGITECH_UNIFYING_RECEIVER), |
|
.driver_data = recvr_type_dj}, |
|
{ /* Logitech unifying receiver (0xc532) */ |
|
HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, |
|
USB_DEVICE_ID_LOGITECH_UNIFYING_RECEIVER_2), |
|
.driver_data = recvr_type_dj}, |
|
|
|
{ /* Logitech Nano mouse only receiver (0xc52f) */ |
|
HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, |
|
USB_DEVICE_ID_LOGITECH_NANO_RECEIVER), |
|
.driver_data = recvr_type_mouse_only}, |
|
{ /* Logitech Nano (non DJ) receiver (0xc534) */ |
|
HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, |
|
USB_DEVICE_ID_LOGITECH_NANO_RECEIVER_2), |
|
.driver_data = recvr_type_hidpp}, |
|
|
|
{ /* Logitech G700(s) receiver (0xc531) */ |
|
HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, |
|
USB_DEVICE_ID_LOGITECH_G700_RECEIVER), |
|
.driver_data = recvr_type_gaming_hidpp}, |
|
{ /* Logitech G602 receiver (0xc537) */ |
|
HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, |
|
0xc537), |
|
.driver_data = recvr_type_gaming_hidpp}, |
|
{ /* Logitech lightspeed receiver (0xc539) */ |
|
HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, |
|
USB_DEVICE_ID_LOGITECH_NANO_RECEIVER_LIGHTSPEED_1), |
|
.driver_data = recvr_type_gaming_hidpp}, |
|
{ /* Logitech powerplay receiver (0xc53a) */ |
|
HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, |
|
USB_DEVICE_ID_LOGITECH_NANO_RECEIVER_POWERPLAY), |
|
.driver_data = recvr_type_gaming_hidpp}, |
|
{ /* Logitech lightspeed receiver (0xc53f) */ |
|
HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, |
|
USB_DEVICE_ID_LOGITECH_NANO_RECEIVER_LIGHTSPEED_1_1), |
|
.driver_data = recvr_type_gaming_hidpp}, |
|
|
|
{ /* Logitech 27 MHz HID++ 1.0 receiver (0xc513) */ |
|
HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_MX3000_RECEIVER), |
|
.driver_data = recvr_type_27mhz}, |
|
{ /* Logitech 27 MHz HID++ 1.0 receiver (0xc517) */ |
|
HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, |
|
USB_DEVICE_ID_S510_RECEIVER_2), |
|
.driver_data = recvr_type_27mhz}, |
|
{ /* Logitech 27 MHz HID++ 1.0 mouse-only receiver (0xc51b) */ |
|
HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, |
|
USB_DEVICE_ID_LOGITECH_27MHZ_MOUSE_RECEIVER), |
|
.driver_data = recvr_type_27mhz}, |
|
|
|
{ /* Logitech MX5000 HID++ / bluetooth receiver keyboard intf. (0xc70e) */ |
|
HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, |
|
USB_DEVICE_ID_MX5000_RECEIVER_KBD_DEV), |
|
.driver_data = recvr_type_bluetooth}, |
|
{ /* Logitech MX5000 HID++ / bluetooth receiver mouse intf. (0xc70a) */ |
|
HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, |
|
USB_DEVICE_ID_MX5000_RECEIVER_MOUSE_DEV), |
|
.driver_data = recvr_type_bluetooth}, |
|
{ /* Logitech MX5500 HID++ / bluetooth receiver keyboard intf. (0xc71b) */ |
|
HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, |
|
USB_DEVICE_ID_MX5500_RECEIVER_KBD_DEV), |
|
.driver_data = recvr_type_bluetooth}, |
|
{ /* Logitech MX5500 HID++ / bluetooth receiver mouse intf. (0xc71c) */ |
|
HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, |
|
USB_DEVICE_ID_MX5500_RECEIVER_MOUSE_DEV), |
|
.driver_data = recvr_type_bluetooth}, |
|
|
|
{ /* Logitech Dinovo Edge HID++ / bluetooth receiver keyboard intf. (0xc713) */ |
|
HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, |
|
USB_DEVICE_ID_DINOVO_EDGE_RECEIVER_KBD_DEV), |
|
.driver_data = recvr_type_dinovo}, |
|
{ /* Logitech Dinovo Edge HID++ / bluetooth receiver mouse intf. (0xc714) */ |
|
HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, |
|
USB_DEVICE_ID_DINOVO_EDGE_RECEIVER_MOUSE_DEV), |
|
.driver_data = recvr_type_dinovo}, |
|
{ /* Logitech DiNovo Mini HID++ / bluetooth receiver mouse intf. (0xc71e) */ |
|
HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, |
|
USB_DEVICE_ID_DINOVO_MINI_RECEIVER_KBD_DEV), |
|
.driver_data = recvr_type_dinovo}, |
|
{ /* Logitech DiNovo Mini HID++ / bluetooth receiver keyboard intf. (0xc71f) */ |
|
HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, |
|
USB_DEVICE_ID_DINOVO_MINI_RECEIVER_MOUSE_DEV), |
|
.driver_data = recvr_type_dinovo}, |
|
{} |
|
}; |
|
|
|
MODULE_DEVICE_TABLE(hid, logi_dj_receivers); |
|
|
|
static struct hid_driver logi_djreceiver_driver = { |
|
.name = "logitech-djreceiver", |
|
.id_table = logi_dj_receivers, |
|
.probe = logi_dj_probe, |
|
.remove = logi_dj_remove, |
|
.raw_event = logi_dj_raw_event, |
|
#ifdef CONFIG_PM |
|
.reset_resume = logi_dj_reset_resume, |
|
#endif |
|
}; |
|
|
|
module_hid_driver(logi_djreceiver_driver); |
|
|
|
MODULE_LICENSE("GPL"); |
|
MODULE_AUTHOR("Logitech"); |
|
MODULE_AUTHOR("Nestor Lopez Casado"); |
|
MODULE_AUTHOR("[email protected]");
|
|
|