1 #ifndef __HID_ROCCAT_COMMON_H 2 #define __HID_ROCCAT_COMMON_H 3 4 /* 5 * Copyright (c) 2011 Stefan Achatz <erazor_de@users.sourceforge.net> 6 */ 7 8 /* 9 * This program is free software; you can redistribute it and/or modify it 10 * under the terms of the GNU General Public License as published by the Free 11 * Software Foundation; either version 2 of the License, or (at your option) 12 * any later version. 13 */ 14 15 #include <linux/usb.h> 16 #include <linux/types.h> 17 18 enum roccat_common2_commands { 19 ROCCAT_COMMON_COMMAND_CONTROL = 0x4, 20 }; 21 22 struct roccat_common2_control { 23 uint8_t command; 24 uint8_t value; 25 uint8_t request; /* always 0 on requesting write check */ 26 } __packed; 27 28 int roccat_common2_receive(struct usb_device *usb_dev, uint report_id, 29 void *data, uint size); 30 int roccat_common2_send(struct usb_device *usb_dev, uint report_id, 31 void const *data, uint size); 32 int roccat_common2_send_with_status(struct usb_device *usb_dev, 33 uint command, void const *buf, uint size); 34 35 struct roccat_common2_device { 36 int roccat_claimed; 37 int chrdev_minor; 38 struct mutex lock; 39 }; 40 41 int roccat_common2_device_init_struct(struct usb_device *usb_dev, 42 struct roccat_common2_device *dev); 43 ssize_t roccat_common2_sysfs_read(struct file *fp, struct kobject *kobj, 44 char *buf, loff_t off, size_t count, 45 size_t real_size, uint command); 46 ssize_t roccat_common2_sysfs_write(struct file *fp, struct kobject *kobj, 47 void const *buf, loff_t off, size_t count, 48 size_t real_size, uint command); 49 50 #define ROCCAT_COMMON2_SYSFS_W(thingy, COMMAND, SIZE) \ 51 static ssize_t roccat_common2_sysfs_write_ ## thingy(struct file *fp, \ 52 struct kobject *kobj, struct bin_attribute *attr, char *buf, \ 53 loff_t off, size_t count) \ 54 { \ 55 return roccat_common2_sysfs_write(fp, kobj, buf, off, count, \ 56 SIZE, COMMAND); \ 57 } 58 59 #define ROCCAT_COMMON2_SYSFS_R(thingy, COMMAND, SIZE) \ 60 static ssize_t roccat_common2_sysfs_read_ ## thingy(struct file *fp, \ 61 struct kobject *kobj, struct bin_attribute *attr, char *buf, \ 62 loff_t off, size_t count) \ 63 { \ 64 return roccat_common2_sysfs_read(fp, kobj, buf, off, count, \ 65 SIZE, COMMAND); \ 66 } 67 68 #define ROCCAT_COMMON2_SYSFS_RW(thingy, COMMAND, SIZE) \ 69 ROCCAT_COMMON2_SYSFS_W(thingy, COMMAND, SIZE) \ 70 ROCCAT_COMMON2_SYSFS_R(thingy, COMMAND, SIZE) 71 72 #define ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(thingy, COMMAND, SIZE) \ 73 ROCCAT_COMMON2_SYSFS_RW(thingy, COMMAND, SIZE); \ 74 static struct bin_attribute bin_attr_ ## thingy = { \ 75 .attr = { .name = #thingy, .mode = 0660 }, \ 76 .size = SIZE, \ 77 .read = roccat_common2_sysfs_read_ ## thingy, \ 78 .write = roccat_common2_sysfs_write_ ## thingy \ 79 } 80 81 #define ROCCAT_COMMON2_BIN_ATTRIBUTE_R(thingy, COMMAND, SIZE) \ 82 ROCCAT_COMMON2_SYSFS_R(thingy, COMMAND, SIZE); \ 83 static struct bin_attribute bin_attr_ ## thingy = { \ 84 .attr = { .name = #thingy, .mode = 0440 }, \ 85 .size = SIZE, \ 86 .read = roccat_common2_sysfs_read_ ## thingy, \ 87 } 88 89 #define ROCCAT_COMMON2_BIN_ATTRIBUTE_W(thingy, COMMAND, SIZE) \ 90 ROCCAT_COMMON2_SYSFS_W(thingy, COMMAND, SIZE); \ 91 static struct bin_attribute bin_attr_ ## thingy = { \ 92 .attr = { .name = #thingy, .mode = 0220 }, \ 93 .size = SIZE, \ 94 .write = roccat_common2_sysfs_write_ ## thingy \ 95 } 96 97 #endif 98