/* * BeOS R5 compatible TTY module API * * Copyright 2008, Haiku Inc. All Rights Reserved. * Distributed under the terms of the MIT License. */ #ifndef _TTY_TTYLAYER_H #define _TTY_TTYLAYER_H #include <module.h> #include <termios.h> // XXX: should go away or be opacised struct str { uchar *buffer; uint bufsize, count, tail; bool allocated; }; struct ddrover { }; struct ddomain { struct ddrover *r; bool bg; bool locked; }; typedef bool (*tty_service_func)(struct tty *tty, struct ddrover *rover, uint op); struct tty { uint nopen; uint flags; struct ddomain dd; struct ddomain ddi; // used in interrupt context pid_t pgid; struct termios t; uint iactivity; bool ibusy; struct str istr; struct str rstr; struct str ostr; struct winsize wsize; tty_service_func service; struct sel *sel; struct tty *ttysel; }; struct ttyfile { struct tty *tty; uint flags; bigtime_t vtime; }; // flags #define TTYCARRIER (1 << 0) #define TTYWRITABLE (1 << 1) #define TTYWRITING (1 << 2) #define TTYREADING (1 << 3) #define TTYOSTOPPED (1 << 4) #define TTYEXCLUSIVE (1 << 5) #define TTYHWDCD (1 << 6) #define TTYHWCTS (1 << 7) #define TTYHWDSR (1 << 8) #define TTYHWRI (1 << 9) #define TTYFLOWFORCED (1 << 10) // ops #define TTYENABLE 0 #define TTYDISABLE 1 #define TTYSETMODES 2 #define TTYOSTART 3 #define TTYOSYNC 4 #define TTYISTOP 5 #define TTYIRESUME 6 #define TTYSETBREAK 7 #define TTYCLRBREAK 8 #define TTYSETDTR 9 #define TTYCLRDTR 10 #define TTYGETSIGNALS 11 typedef struct tty_module_info tty_module_info; // this version is compatible with BeOS R5 struct tty_module_info_r5 { // not a real bus manager... no rescan() ! module_info mi; status_t (*ttyopen)(struct ttyfile *, struct ddrover *, tty_service_func); status_t (*ttyclose)(struct ttyfile *, struct ddrover *); status_t (*ttyfree)(struct ttyfile *, struct ddrover *); status_t (*ttyread)(struct ttyfile *, struct ddrover *, char *, size_t *); status_t (*ttywrite)(struct ttyfile *, struct ddrover *, const char *, size_t *); status_t (*ttycontrol)(struct ttyfile *, struct ddrover *, ulong, void *, size_t); void (*ttyinit)(struct tty *, bool); void (*ttyilock)(struct tty *, struct ddrover *, bool ); void (*ttyhwsignal)(struct tty *, struct ddrover *, int, bool); int (*ttyin)(struct tty *, struct ddrover *, int); int (*ttyout)(struct tty *, struct ddrover *); struct ddrover *(*ddrstart)(struct ddrover *); void (*ddrdone)(struct ddrover *); void (*ddacquire)(struct ddrover *, struct ddomain *); }; // BeOS R5.1d0 has a different module with the same version... // we exort this module as version 1.1 to allow using select from drivers struct tty_module_info_dano { // not a real bus manager... no rescan() ! module_info mi; status_t (*ttyopen)(struct ttyfile *, struct ddrover *, tty_service_func); status_t (*ttyclose)(struct ttyfile *, struct ddrover *); status_t (*ttyfree)(struct ttyfile *, struct ddrover *); status_t (*ttyread)(struct ttyfile *, struct ddrover *, char *, size_t *); status_t (*ttywrite)(struct ttyfile *, struct ddrover *, const char *, size_t *); status_t (*ttycontrol)(struct ttyfile *, struct ddrover *, ulong, void *, size_t); status_t (*ttyselect)(struct ttyfile *, struct ddrover *, uint8, uint32, selectsync *); status_t (*ttydeselect)(struct ttyfile *, struct ddrover *, uint8, selectsync *); void (*ttyinit)(struct tty *, bool); void (*ttyilock)(struct tty *, struct ddrover *, bool ); void (*ttyhwsignal)(struct tty *, struct ddrover *, int, bool); int (*ttyin)(struct tty *, struct ddrover *, int); int (*ttyout)(struct tty *, struct ddrover *); struct ddrover *(*ddrstart)(struct ddrover *); void (*ddrdone)(struct ddrover *); void (*ddacquire)(struct ddrover *, struct ddomain *); }; #define B_TTY_MODULE_NAME_R5 "bus_managers/tty/v1" #define B_TTY_MODULE_NAME_DANO "bus_managers/tty/v1.1" #define B_TTY_MODULE_NAME B_TTY_MODULE_NAME_DANO #define tty_module_info tty_module_info_dano #endif /* _TTY_TTYLAYER_H */