1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
2 | #ifndef __HID_ROCCAT_COMMON_H |
3 | #define __HID_ROCCAT_COMMON_H |
4 | |
5 | /* |
6 | * Copyright (c) 2011 Stefan Achatz <erazor_de@users.sourceforge.net> |
7 | */ |
8 | |
9 | /* |
10 | */ |
11 | |
12 | #include <linux/usb.h> |
13 | #include <linux/types.h> |
14 | |
15 | enum roccat_common2_commands { |
16 | ROCCAT_COMMON_COMMAND_CONTROL = 0x4, |
17 | }; |
18 | |
19 | struct roccat_common2_control { |
20 | uint8_t command; |
21 | uint8_t value; |
22 | uint8_t request; /* always 0 on requesting write check */ |
23 | } __packed; |
24 | |
25 | int roccat_common2_receive(struct usb_device *usb_dev, uint report_id, |
26 | void *data, uint size); |
27 | int roccat_common2_send(struct usb_device *usb_dev, uint report_id, |
28 | void const *data, uint size); |
29 | int roccat_common2_send_with_status(struct usb_device *usb_dev, |
30 | uint command, void const *buf, uint size); |
31 | |
32 | struct roccat_common2_device { |
33 | int roccat_claimed; |
34 | int chrdev_minor; |
35 | struct mutex lock; |
36 | }; |
37 | |
38 | int roccat_common2_device_init_struct(struct usb_device *usb_dev, |
39 | struct roccat_common2_device *dev); |
40 | ssize_t roccat_common2_sysfs_read(struct file *fp, struct kobject *kobj, |
41 | char *buf, loff_t off, size_t count, |
42 | size_t real_size, uint command); |
43 | ssize_t roccat_common2_sysfs_write(struct file *fp, struct kobject *kobj, |
44 | void const *buf, loff_t off, size_t count, |
45 | size_t real_size, uint command); |
46 | |
47 | #define ROCCAT_COMMON2_SYSFS_W(thingy, COMMAND, SIZE) \ |
48 | static ssize_t roccat_common2_sysfs_write_ ## thingy(struct file *fp, \ |
49 | struct kobject *kobj, struct bin_attribute *attr, char *buf, \ |
50 | loff_t off, size_t count) \ |
51 | { \ |
52 | return roccat_common2_sysfs_write(fp, kobj, buf, off, count, \ |
53 | SIZE, COMMAND); \ |
54 | } |
55 | |
56 | #define ROCCAT_COMMON2_SYSFS_R(thingy, COMMAND, SIZE) \ |
57 | static ssize_t roccat_common2_sysfs_read_ ## thingy(struct file *fp, \ |
58 | struct kobject *kobj, struct bin_attribute *attr, char *buf, \ |
59 | loff_t off, size_t count) \ |
60 | { \ |
61 | return roccat_common2_sysfs_read(fp, kobj, buf, off, count, \ |
62 | SIZE, COMMAND); \ |
63 | } |
64 | |
65 | #define ROCCAT_COMMON2_SYSFS_RW(thingy, COMMAND, SIZE) \ |
66 | ROCCAT_COMMON2_SYSFS_W(thingy, COMMAND, SIZE) \ |
67 | ROCCAT_COMMON2_SYSFS_R(thingy, COMMAND, SIZE) |
68 | |
69 | #define ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(thingy, COMMAND, SIZE) \ |
70 | ROCCAT_COMMON2_SYSFS_RW(thingy, COMMAND, SIZE); \ |
71 | static struct bin_attribute bin_attr_ ## thingy = { \ |
72 | .attr = { .name = #thingy, .mode = 0660 }, \ |
73 | .size = SIZE, \ |
74 | .read = roccat_common2_sysfs_read_ ## thingy, \ |
75 | .write = roccat_common2_sysfs_write_ ## thingy \ |
76 | } |
77 | |
78 | #define ROCCAT_COMMON2_BIN_ATTRIBUTE_R(thingy, COMMAND, SIZE) \ |
79 | ROCCAT_COMMON2_SYSFS_R(thingy, COMMAND, SIZE); \ |
80 | static struct bin_attribute bin_attr_ ## thingy = { \ |
81 | .attr = { .name = #thingy, .mode = 0440 }, \ |
82 | .size = SIZE, \ |
83 | .read = roccat_common2_sysfs_read_ ## thingy, \ |
84 | } |
85 | |
86 | #define ROCCAT_COMMON2_BIN_ATTRIBUTE_W(thingy, COMMAND, SIZE) \ |
87 | ROCCAT_COMMON2_SYSFS_W(thingy, COMMAND, SIZE); \ |
88 | static struct bin_attribute bin_attr_ ## thingy = { \ |
89 | .attr = { .name = #thingy, .mode = 0220 }, \ |
90 | .size = SIZE, \ |
91 | .write = roccat_common2_sysfs_write_ ## thingy \ |
92 | } |
93 | |
94 | #endif |
95 | |