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1 | #ifndef __HID_LOGITECH_DJ_H |
2 | #define __HID_LOGITECH_DJ_H | |
3 | ||
4 | /* | |
5 | * HID driver for Logitech Unifying receivers | |
6 | * | |
7 | * Copyright (c) 2011 Logitech | |
8 | */ | |
9 | ||
10 | /* | |
11 | * This program is free software; you can redistribute it and/or modify | |
12 | * it under the terms of the GNU General Public License version 2 as | |
13 | * published by the Free Software Foundation. | |
14 | * | |
15 | * This program is distributed in the hope that it will be useful, | |
16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | * GNU General Public License for more details. | |
19 | * | |
20 | * You should have received a copy of the GNU General Public License | |
21 | * along with this program; if not, write to the Free Software | |
22 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
23 | * | |
24 | */ | |
25 | ||
26 | #include <linux/kfifo.h> | |
27 | ||
28 | #define DJ_MAX_PAIRED_DEVICES 6 | |
29 | #define DJ_MAX_NUMBER_NOTIFICATIONS 8 | |
844580ff NLC |
30 | #define DJ_DEVICE_INDEX_MIN 1 |
31 | #define DJ_DEVICE_INDEX_MAX 6 | |
534a7b8e NLC |
32 | |
33 | #define DJREPORT_SHORT_LENGTH 15 | |
34 | #define DJREPORT_LONG_LENGTH 32 | |
35 | ||
36 | #define REPORT_ID_DJ_SHORT 0x20 | |
37 | #define REPORT_ID_DJ_LONG 0x21 | |
38 | ||
39 | #define REPORT_TYPE_RFREPORT_FIRST 0x01 | |
40 | #define REPORT_TYPE_RFREPORT_LAST 0x1F | |
41 | ||
42 | /* Command Switch to DJ mode */ | |
43 | #define REPORT_TYPE_CMD_SWITCH 0x80 | |
44 | #define CMD_SWITCH_PARAM_DEVBITFIELD 0x00 | |
45 | #define CMD_SWITCH_PARAM_TIMEOUT_SECONDS 0x01 | |
46 | #define TIMEOUT_NO_KEEPALIVE 0x00 | |
47 | ||
48 | /* Command to Get the list of Paired devices */ | |
49 | #define REPORT_TYPE_CMD_GET_PAIRED_DEVICES 0x81 | |
50 | ||
51 | /* Device Paired Notification */ | |
52 | #define REPORT_TYPE_NOTIF_DEVICE_PAIRED 0x41 | |
53 | #define SPFUNCTION_MORE_NOTIF_EXPECTED 0x01 | |
54 | #define SPFUNCTION_DEVICE_LIST_EMPTY 0x02 | |
55 | #define DEVICE_PAIRED_PARAM_SPFUNCTION 0x00 | |
56 | #define DEVICE_PAIRED_PARAM_EQUAD_ID_LSB 0x01 | |
57 | #define DEVICE_PAIRED_PARAM_EQUAD_ID_MSB 0x02 | |
58 | #define DEVICE_PAIRED_RF_REPORT_TYPE 0x03 | |
59 | ||
60 | /* Device Un-Paired Notification */ | |
61 | #define REPORT_TYPE_NOTIF_DEVICE_UNPAIRED 0x40 | |
62 | ||
63 | ||
64 | /* Connection Status Notification */ | |
65 | #define REPORT_TYPE_NOTIF_CONNECTION_STATUS 0x42 | |
66 | #define CONNECTION_STATUS_PARAM_STATUS 0x00 | |
67 | #define STATUS_LINKLOSS 0x01 | |
68 | ||
69 | /* Error Notification */ | |
70 | #define REPORT_TYPE_NOTIF_ERROR 0x7F | |
71 | #define NOTIF_ERROR_PARAM_ETYPE 0x00 | |
72 | #define ETYPE_KEEPALIVE_TIMEOUT 0x01 | |
73 | ||
74 | /* supported DJ HID && RF report types */ | |
75 | #define REPORT_TYPE_KEYBOARD 0x01 | |
76 | #define REPORT_TYPE_MOUSE 0x02 | |
77 | #define REPORT_TYPE_CONSUMER_CONTROL 0x03 | |
78 | #define REPORT_TYPE_SYSTEM_CONTROL 0x04 | |
79 | #define REPORT_TYPE_MEDIA_CENTER 0x08 | |
80 | #define REPORT_TYPE_LEDS 0x0E | |
81 | ||
82 | /* RF Report types bitfield */ | |
83 | #define STD_KEYBOARD 0x00000002 | |
84 | #define STD_MOUSE 0x00000004 | |
85 | #define MULTIMEDIA 0x00000008 | |
86 | #define POWER_KEYS 0x00000010 | |
87 | #define MEDIA_CENTER 0x00000100 | |
88 | #define KBD_LEDS 0x00004000 | |
89 | ||
90 | struct dj_report { | |
91 | u8 report_id; | |
92 | u8 device_index; | |
93 | u8 report_type; | |
94 | u8 report_params[DJREPORT_SHORT_LENGTH - 3]; | |
95 | }; | |
96 | ||
97 | struct dj_receiver_dev { | |
98 | struct hid_device *hdev; | |
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99 | struct dj_device *paired_dj_devices[DJ_MAX_PAIRED_DEVICES + |
100 | DJ_DEVICE_INDEX_MIN]; | |
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101 | struct work_struct work; |
102 | struct kfifo notif_fifo; | |
103 | spinlock_t lock; | |
c63e0e37 | 104 | bool querying_devices; |
534a7b8e NLC |
105 | }; |
106 | ||
107 | struct dj_device { | |
108 | struct hid_device *hdev; | |
109 | struct dj_receiver_dev *dj_receiver_dev; | |
110 | u32 reports_supported; | |
111 | u8 device_index; | |
112 | }; | |
113 | ||
114 | /** | |
115 | * is_dj_device - know if the given dj_device is not the receiver. | |
116 | * @dj_dev: the dj device to test | |
117 | * | |
118 | * This macro tests if a struct dj_device pointer is a device created | |
119 | * by the bus enumarator. | |
120 | */ | |
121 | #define is_dj_device(dj_dev) \ | |
122 | (&(dj_dev)->dj_receiver_dev->hdev->dev == (dj_dev)->hdev->dev.parent) | |
123 | ||
124 | #endif |