mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-16 04:17:27 +07:00
607ca46e97
Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Michael Kerrisk <mtk.manpages@gmail.com> Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Acked-by: Dave Jones <davej@redhat.com>
213 lines
6.1 KiB
C
213 lines
6.1 KiB
C
/*
|
|
* Copyright (c) 1999-2000 Vojtech Pavlik
|
|
*
|
|
* Sponsored by SuSE
|
|
*/
|
|
/*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*
|
|
* Should you need to contact me, the author, you can do so either by
|
|
* e-mail - mail your message to <vojtech@suse.cz>, or by paper mail:
|
|
* Vojtech Pavlik, Ucitelska 1576, Prague 8, 182 00 Czech Republic
|
|
*/
|
|
#ifndef _UAPI_HIDDEV_H
|
|
#define _UAPI_HIDDEV_H
|
|
|
|
|
|
|
|
#include <linux/types.h>
|
|
|
|
/*
|
|
* The event structure itself
|
|
*/
|
|
|
|
struct hiddev_event {
|
|
unsigned hid;
|
|
signed int value;
|
|
};
|
|
|
|
struct hiddev_devinfo {
|
|
__u32 bustype;
|
|
__u32 busnum;
|
|
__u32 devnum;
|
|
__u32 ifnum;
|
|
__s16 vendor;
|
|
__s16 product;
|
|
__s16 version;
|
|
__u32 num_applications;
|
|
};
|
|
|
|
struct hiddev_collection_info {
|
|
__u32 index;
|
|
__u32 type;
|
|
__u32 usage;
|
|
__u32 level;
|
|
};
|
|
|
|
#define HID_STRING_SIZE 256
|
|
struct hiddev_string_descriptor {
|
|
__s32 index;
|
|
char value[HID_STRING_SIZE];
|
|
};
|
|
|
|
struct hiddev_report_info {
|
|
__u32 report_type;
|
|
__u32 report_id;
|
|
__u32 num_fields;
|
|
};
|
|
|
|
/* To do a GUSAGE/SUSAGE, fill in at least usage_code, report_type and
|
|
* report_id. Set report_id to REPORT_ID_UNKNOWN if the rest of the fields
|
|
* are unknown. Otherwise use a usage_ref struct filled in from a previous
|
|
* successful GUSAGE call to save time. To actually send a value to the
|
|
* device, perform a SUSAGE first, followed by a SREPORT. An INITREPORT or a
|
|
* GREPORT isn't necessary for a GUSAGE to return valid data.
|
|
*/
|
|
#define HID_REPORT_ID_UNKNOWN 0xffffffff
|
|
#define HID_REPORT_ID_FIRST 0x00000100
|
|
#define HID_REPORT_ID_NEXT 0x00000200
|
|
#define HID_REPORT_ID_MASK 0x000000ff
|
|
#define HID_REPORT_ID_MAX 0x000000ff
|
|
|
|
#define HID_REPORT_TYPE_INPUT 1
|
|
#define HID_REPORT_TYPE_OUTPUT 2
|
|
#define HID_REPORT_TYPE_FEATURE 3
|
|
#define HID_REPORT_TYPE_MIN 1
|
|
#define HID_REPORT_TYPE_MAX 3
|
|
|
|
struct hiddev_field_info {
|
|
__u32 report_type;
|
|
__u32 report_id;
|
|
__u32 field_index;
|
|
__u32 maxusage;
|
|
__u32 flags;
|
|
__u32 physical; /* physical usage for this field */
|
|
__u32 logical; /* logical usage for this field */
|
|
__u32 application; /* application usage for this field */
|
|
__s32 logical_minimum;
|
|
__s32 logical_maximum;
|
|
__s32 physical_minimum;
|
|
__s32 physical_maximum;
|
|
__u32 unit_exponent;
|
|
__u32 unit;
|
|
};
|
|
|
|
/* Fill in report_type, report_id and field_index to get the information on a
|
|
* field.
|
|
*/
|
|
#define HID_FIELD_CONSTANT 0x001
|
|
#define HID_FIELD_VARIABLE 0x002
|
|
#define HID_FIELD_RELATIVE 0x004
|
|
#define HID_FIELD_WRAP 0x008
|
|
#define HID_FIELD_NONLINEAR 0x010
|
|
#define HID_FIELD_NO_PREFERRED 0x020
|
|
#define HID_FIELD_NULL_STATE 0x040
|
|
#define HID_FIELD_VOLATILE 0x080
|
|
#define HID_FIELD_BUFFERED_BYTE 0x100
|
|
|
|
struct hiddev_usage_ref {
|
|
__u32 report_type;
|
|
__u32 report_id;
|
|
__u32 field_index;
|
|
__u32 usage_index;
|
|
__u32 usage_code;
|
|
__s32 value;
|
|
};
|
|
|
|
/* hiddev_usage_ref_multi is used for sending multiple bytes to a control.
|
|
* It really manifests itself as setting the value of consecutive usages */
|
|
#define HID_MAX_MULTI_USAGES 1024
|
|
struct hiddev_usage_ref_multi {
|
|
struct hiddev_usage_ref uref;
|
|
__u32 num_values;
|
|
__s32 values[HID_MAX_MULTI_USAGES];
|
|
};
|
|
|
|
/* FIELD_INDEX_NONE is returned in read() data from the kernel when flags
|
|
* is set to (HIDDEV_FLAG_UREF | HIDDEV_FLAG_REPORT) and a new report has
|
|
* been sent by the device
|
|
*/
|
|
#define HID_FIELD_INDEX_NONE 0xffffffff
|
|
|
|
/*
|
|
* Protocol version.
|
|
*/
|
|
|
|
#define HID_VERSION 0x010004
|
|
|
|
/*
|
|
* IOCTLs (0x00 - 0x7f)
|
|
*/
|
|
|
|
#define HIDIOCGVERSION _IOR('H', 0x01, int)
|
|
#define HIDIOCAPPLICATION _IO('H', 0x02)
|
|
#define HIDIOCGDEVINFO _IOR('H', 0x03, struct hiddev_devinfo)
|
|
#define HIDIOCGSTRING _IOR('H', 0x04, struct hiddev_string_descriptor)
|
|
#define HIDIOCINITREPORT _IO('H', 0x05)
|
|
#define HIDIOCGNAME(len) _IOC(_IOC_READ, 'H', 0x06, len)
|
|
#define HIDIOCGREPORT _IOW('H', 0x07, struct hiddev_report_info)
|
|
#define HIDIOCSREPORT _IOW('H', 0x08, struct hiddev_report_info)
|
|
#define HIDIOCGREPORTINFO _IOWR('H', 0x09, struct hiddev_report_info)
|
|
#define HIDIOCGFIELDINFO _IOWR('H', 0x0A, struct hiddev_field_info)
|
|
#define HIDIOCGUSAGE _IOWR('H', 0x0B, struct hiddev_usage_ref)
|
|
#define HIDIOCSUSAGE _IOW('H', 0x0C, struct hiddev_usage_ref)
|
|
#define HIDIOCGUCODE _IOWR('H', 0x0D, struct hiddev_usage_ref)
|
|
#define HIDIOCGFLAG _IOR('H', 0x0E, int)
|
|
#define HIDIOCSFLAG _IOW('H', 0x0F, int)
|
|
#define HIDIOCGCOLLECTIONINDEX _IOW('H', 0x10, struct hiddev_usage_ref)
|
|
#define HIDIOCGCOLLECTIONINFO _IOWR('H', 0x11, struct hiddev_collection_info)
|
|
#define HIDIOCGPHYS(len) _IOC(_IOC_READ, 'H', 0x12, len)
|
|
|
|
/* For writing/reading to multiple/consecutive usages */
|
|
#define HIDIOCGUSAGES _IOWR('H', 0x13, struct hiddev_usage_ref_multi)
|
|
#define HIDIOCSUSAGES _IOW('H', 0x14, struct hiddev_usage_ref_multi)
|
|
|
|
/*
|
|
* Flags to be used in HIDIOCSFLAG
|
|
*/
|
|
#define HIDDEV_FLAG_UREF 0x1
|
|
#define HIDDEV_FLAG_REPORT 0x2
|
|
#define HIDDEV_FLAGS 0x3
|
|
|
|
/* To traverse the input report descriptor info for a HID device, perform the
|
|
* following:
|
|
*
|
|
* rinfo.report_type = HID_REPORT_TYPE_INPUT;
|
|
* rinfo.report_id = HID_REPORT_ID_FIRST;
|
|
* ret = ioctl(fd, HIDIOCGREPORTINFO, &rinfo);
|
|
*
|
|
* while (ret >= 0) {
|
|
* for (i = 0; i < rinfo.num_fields; i++) {
|
|
* finfo.report_type = rinfo.report_type;
|
|
* finfo.report_id = rinfo.report_id;
|
|
* finfo.field_index = i;
|
|
* ioctl(fd, HIDIOCGFIELDINFO, &finfo);
|
|
* for (j = 0; j < finfo.maxusage; j++) {
|
|
* uref.report_type = rinfo.report_type;
|
|
* uref.report_id = rinfo.report_id;
|
|
* uref.field_index = i;
|
|
* uref.usage_index = j;
|
|
* ioctl(fd, HIDIOCGUCODE, &uref);
|
|
* ioctl(fd, HIDIOCGUSAGE, &uref);
|
|
* }
|
|
* }
|
|
* rinfo.report_id |= HID_REPORT_ID_NEXT;
|
|
* ret = ioctl(fd, HIDIOCGREPORTINFO, &rinfo);
|
|
* }
|
|
*/
|
|
|
|
|
|
#endif /* _UAPI_HIDDEV_H */
|