| 1 | /* |
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| 2 | * tty.c - a basic tty driver |
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| 3 | * |
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| 4 | * Copyright (c) 2008,2009,2010,2011,2012 Ghassan Almaless |
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| 5 | * Copyright (c) 2011,2012 UPMC Sorbonne Universites |
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| 6 | * |
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| 7 | * This file is part of ALMOS-kernel. |
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| 8 | * |
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| 9 | * ALMOS-kernel is free software; you can redistribute it and/or modify it |
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| 10 | * under the terms of the GNU General Public License as published by |
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| 11 | * the Free Software Foundation; version 2.0 of the License. |
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| 12 | * |
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| 13 | * ALMOS-kernel is distributed in the hope that it will be useful, but |
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| 14 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 16 | * General Public License for more details. |
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| 17 | * |
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| 18 | * You should have received a copy of the GNU General Public License |
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| 19 | * along with ALMOS-kernel; if not, write to the Free Software Foundation, |
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| 20 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
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| 21 | */ |
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| 22 | |
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| 23 | #ifndef _TTY_H_ |
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| 24 | #define _TTY_H_ |
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| 25 | |
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| 26 | #include <driver.h> |
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| 27 | #include <scheduler.h> |
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| 28 | #include <rwlock.h> |
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| 29 | |
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| 30 | #define TTY_STATUS_REG 0 |
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| 31 | #define TTY_READ_REG 1 |
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| 32 | #define TTY_WRITE_REG 2 |
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| 33 | |
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| 34 | struct device_s; |
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| 35 | struct fifomwmr_s; |
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| 36 | |
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| 37 | void ibmpc_tty_init(struct device_s *tty, void *base, uint_t irq, uint_t tty_id); |
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| 38 | |
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| 39 | struct thread_s; |
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| 40 | |
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| 41 | struct tty_context_s |
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| 42 | { |
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| 43 | uint_t pos_X, pos_Y; |
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| 44 | uint_t attr; |
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| 45 | uint_t id; |
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| 46 | dev_request_t *pending_rq; |
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| 47 | unsigned int eol; /* End Of Line */ |
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| 48 | struct rwlock_s rwlock; |
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| 49 | struct wait_queue_s wait_queue; |
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| 50 | struct fifomwmr_s *in_channel; |
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| 51 | struct fifiomwmr_s *out_channel; |
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| 52 | }; |
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| 53 | |
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| 54 | extern uint8_t keyboard_map[]; |
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| 55 | #endif /* _TTY_H_ */ |
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