| 0,0 → 1,76 |
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| /* |
| * Copyright (c) 2001-2004 Jakub Jermar |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * - Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * - Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * - The name of the author may not be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| /** @addtogroup genarch |
| * @{ |
| */ |
| /** |
| * @file |
| * @brief Headers for NS 16550 serial controller. |
| */ |
| |
| #ifndef KERN_NS16550_H_ |
| #define KERN_NS16550_H_ |
| |
| #include <ddi/irq.h> |
| #include <arch/types.h> |
| #include <console/chardev.h> |
| |
| #define IER_ERBFI 0x01 /** Enable Receive Buffer Full Interrupt. */ |
| |
| #define LCR_DLAB 0x80 /** Divisor Latch Access bit. */ |
| |
| #define MCR_OUT2 0x08 /** OUT2. */ |
| |
| /** NS16550 registers. */ |
| typedef struct { |
| ioport8_t rbr; /**< Receiver Buffer Register. */ |
| ioport8_t ier; /**< Interrupt Enable Register. */ |
| union { |
| ioport8_t iir; /**< Interrupt Ident Register (read). */ |
| ioport8_t fcr; /**< FIFO control register (write). */ |
| } __attribute__ ((packed)); |
| ioport8_t lcr; /**< Line Control register. */ |
| ioport8_t mcr; /**< Modem Control Register. */ |
| ioport8_t lsr; /**< Line Status Register. */ |
| } __attribute__ ((packed)) ns16550_t; |
| |
| /** Structure representing the ns16550 device. */ |
| typedef struct { |
| devno_t devno; |
| ns16550_t *ns16550; |
| irq_t irq; |
| indev_t kbrdin; |
| } ns16550_instance_t; |
| |
| extern indev_t *ns16550_init(ns16550_t *, devno_t, inr_t, cir_t, void *); |
| |
| #endif |
| |
| /** @} |
| */ |
| Property changes: |
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| Added: svn:mergeinfo |
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