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Diffstat (limited to 'kernel/src/generic/evdev.hpp')
| -rw-r--r-- | kernel/src/generic/evdev.hpp | 150 |
1 files changed, 150 insertions, 0 deletions
diff --git a/kernel/src/generic/evdev.hpp b/kernel/src/generic/evdev.hpp new file mode 100644 index 0000000..f10b268 --- /dev/null +++ b/kernel/src/generic/evdev.hpp @@ -0,0 +1,150 @@ +#pragma once + +#include <cstdint> +#include <atomic> +#include <utils/bitmap.hpp> +#include <utils/ringbuffer.hpp> +#include <generic/vfs.hpp> + +#define EVDEV_TYPE_MOUSE 1 +#define EVDEV_TYPE_KEYBOARD 2 + +struct evdevtimeval { + long long tv_sec; /* seconds */ + long long tv_usec; /* microseconds */ + +}; +struct input_event { + struct evdevtimeval time; +#define input_event_sec time.tv_sec +#define input_event_usec time.tv_usec + std::uint16_t type; + std::uint16_t code; + std::int32_t value; +}; + +#define BTN_MOUSE 0x110 +#define BTN_LEFT 0x110 +#define BTN_RIGHT 0x111 +#define BTN_MIDDLE 0x112 +#define BTN_SIDE 0x113 +#define BTN_EXTRA 0x114 +#define BTN_FORWARD 0x115 +#define BTN_BACK 0x116 +#define BTN_TASK 0x117 + +#define _IOC_NONE 0U +#define _IOC_WRITE 1U +#define _IOC_READ 2U + +#define _IOC_NRBITS 8 +#define _IOC_TYPEBITS 8 +#define _IOC_SIZEBITS 14 +#define _IOC_DIRBITS 2 +#define _IOC_NRMASK ((1 << _IOC_NRBITS) - 1) +#define _IOC_TYPEMASK ((1 << _IOC_TYPEBITS) - 1) +#define _IOC_SIZEMASK ((1 << _IOC_SIZEBITS) - 1) +#define _IOC_DIRMASK ((1 << _IOC_DIRBITS) - 1) +#define _IOC_NRSHIFT 0 +#define _IOC_TYPESHIFT (_IOC_NRSHIFT + _IOC_NRBITS) +#define _IOC_SIZESHIFT (_IOC_TYPESHIFT + _IOC_TYPEBITS) +#define _IOC_DIRSHIFT (_IOC_SIZESHIFT + _IOC_SIZEBITS) + +#define _IOC(dir, type, nr, size) \ + (((dir) << _IOC_DIRSHIFT) | \ + ((type) << _IOC_TYPESHIFT) | \ + ((nr) << _IOC_NRSHIFT) | \ + ((size) << _IOC_SIZESHIFT)) + +#define _IO(type, nr) _IOC(_IOC_NONE, (type), (nr), 0) +#define _IOR(type, nr, size) _IOC(_IOC_READ, (type), (nr), sizeof(size)) +#define _IOW(type, nr, size) _IOC(_IOC_WRITE, (type), (nr), sizeof(size)) +#define _IOWR(type, nr, size) _IOC(_IOC_READ | _IOC_WRITE, (type), (nr), sizeof(size)) + +#define _IOC_DIR(nr) (((nr) >> _IOC_DIRSHIFT) & _IOC_DIRMASK) +#define _IOC_TYPE(nr) (((nr) >> _IOC_TYPESHIFT) & _IOC_TYPEMASK) +#define _IOC_NR(nr) (((nr) >> _IOC_NRSHIFT) & _IOC_NRMASK) +#define _IOC_SIZE(nr) (((nr) >> _IOC_SIZESHIFT) & _IOC_SIZEMASK) + +#define EVIOC_MASK_SIZE(nr) ((nr) & ~(_IOC_SIZEMASK << _IOC_SIZESHIFT)) +#define EVIOCGVERSION _IOR('E', 0x01, int) +#define EVIOCGID _IOR('E', 0x02, struct input_id) +#define EVIOCGREP _IOR('E', 0x03, int[2]) +#define EVIOCSREP _IOW('E', 0x03, int[2]) +#define EVIOCGKEYCODE _IOR('E', 0x04, int[2]) +#define EVIOCSKEYCODE _IOW('E', 0x04, int[2]) +#define EVIOCGNAME(len) _IOC(_IOC_READ, 'E', 0x06, len) +#define EVIOCGPHYS(len) _IOC(_IOC_READ, 'E', 0x07, len) +#define EVIOCGUNIQ(len) _IOC(_IOC_READ, 'E', 0x08, len) +#define EVIOCGPROP(len) _IOC(_IOC_READ, 'E', 0x09, len) +#define EVIOCGMTSLOTS(len) _IOC(_IOC_READ, 'E', 0x0a, len) +#define EVIOCGKEY(len) _IOC(_IOC_READ, 'E', 0x18, len) +#define EVIOCGLED(len) _IOC(_IOC_READ, 'E', 0x19, len) +#define EVIOCGSND(len) _IOC(_IOC_READ, 'E', 0x1a, len) +#define EVIOCGSW(len) _IOC(_IOC_READ, 'E', 0x1b, len) +#define EVIOCGBIT(ev, len) _IOC(_IOC_READ, 'E', 0x20 + (ev), len) +#define EVIOCGABS(abs) _IOR('E', 0x40 + (abs), struct input_absinfo) +#define EVIOCSABS(abs) _IOW('E', 0x40 + (abs), struct input_absinfo) +#define EVIOCSFF _IOC(_IOC_WRITE, 'E', 0x80, sizeof(struct ff_effect)) +#define EVIOCRMFF _IOW('E', 0x81, int) +#define EVIOCGEFFECTS _IOR('E', 0x84, int) +#define EVIOCGRAB _IOW('E', 0x90, int) +#define EVIOCREVOKE _IOW('E', 0x91, int) +#define EVIOCSMASK _IOW('E', 0x92, struct input_mask) +#define EV_MAX 0x1f +#define KEY_MAX 0x2ff +#define REL_MAX 0x0f +#define ABS_MAX 0x3f +#define MSC_MAX 0x07 +#define LED_MAX 0x0f +#define SND_MAX 0x07 +#define FF_MAX 0x7f +#define SW_MAX 0x0f + +#define EV_SYN 0x00 +#define EV_KEY 0x01 +#define EV_REL 0x02 +#define EV_ABS 0x03 +#define EV_MSC 0x04 +#define EV_SW 0x05 +#define EV_LED 0x11 +#define EV_SND 0x12 +#define EV_REP 0x14 +#define EV_FF 0x15 +#define EV_PWR 0x16 +#define EV_FF_STATUS 0x17 +#define EV_MAX 0x1f +#define EV_CNT (EV_MAX+1) + +#define BTN_MOUSE 0x110 +#define BTN_LEFT 0x110 +#define BTN_RIGHT 0x111 +#define BTN_MIDDLE 0x112 +#define BTN_SIDE 0x113 +#define BTN_EXTRA 0x114 +#define BTN_FORWARD 0x115 +#define BTN_BACK 0x116 +#define BTN_TASK 0x117 + +namespace evdev { + struct evdev_node { + int num; + int type; + bool is_root; + + utils::bitmap* ev_bitmap; + utils::ring_buffer<input_event>* main_ring; + + char path[64]; + char name[2048]; + + evdev_node* next; + }; + + static_assert(sizeof(evdev_node) < 4096, "stuf"); + + int create(char* name, int type); + void submit(int num, input_event event); + void init_default(vfs::node* node); + +}
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