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- #ifndef __ALT_DEV_H__
- #define __ALT_DEV_H__
- /******************************************************************************
- * *
- * License Agreement *
- * *
- * Copyright (c) 2004 Altera Corporation, San Jose, California, USA. *
- * All rights reserved. *
- * *
- * Permission is hereby granted, free of charge, to any person obtaining a *
- * copy of this software and associated documentation files (the "Software"), *
- * to deal in the Software without restriction, including without limitation *
- * the rights to use, copy, modify, merge, publish, distribute, sublicense, *
- * and/or sell copies of the Software, and to permit persons to whom the *
- * Software is furnished to do so, subject to the following conditions: *
- * *
- * The above copyright notice and this permission notice shall be included in *
- * all copies or substantial portions of the Software. *
- * *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR *
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, *
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE *
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER *
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING *
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER *
- * DEALINGS IN THE SOFTWARE. *
- * *
- * This agreement shall be governed in all respects by the laws of the State *
- * of California and by the laws of the United States of America. *
- * *
- * Altera does not recommend, suggest or require that this reference design *
- * file be used in conjunction or combination with any other product. *
- ******************************************************************************/
- /******************************************************************************
- * *
- * THIS IS A LIBRARY READ-ONLY SOURCE FILE. DO NOT EDIT. *
- * *
- ******************************************************************************/
- #include "system.h"
- #include "sys/alt_llist.h"
- #include "priv/alt_dev_llist.h"
- #ifdef __cplusplus
- extern "C"
- {
- #endif /* __cplusplus */
- /*
- * The value ALT_IRQ_NOT_CONNECTED is used to represent an unconnected
- * interrupt line. It cannot evaluate to a valid interrupt number.
- */
- #define ALT_IRQ_NOT_CONNECTED (-1)
- typedef struct alt_dev_s alt_dev;
- struct stat;
- /*
- * The file descriptor structure definition.
- */
- typedef struct alt_fd_s
- {
- alt_dev* dev;
- alt_u8* priv;
- int fd_flags;
- } alt_fd;
- /*
- * The device structure definition.
- */
-
- struct alt_dev_s {
- alt_llist llist; /* for internal use */
- const char* name;
- int (*open) (alt_fd* fd, const char* name, int flags, int mode);
- int (*close) (alt_fd* fd);
- int (*read) (alt_fd* fd, char* ptr, int len);
- int (*write) (alt_fd* fd, const char* ptr, int len);
- int (*lseek) (alt_fd* fd, int ptr, int dir);
- int (*fstat) (alt_fd* fd, struct stat* buf);
- int (*ioctl) (alt_fd* fd, int req, void* arg);
- };
- /*
- * Functions used to register device for access through the C standard
- * library.
- *
- * The only difference between alt_dev_reg() and alt_fs_reg() is the
- * interpretation that open() places on the device name. In the case of
- * alt_dev_reg the device is assumed to be a particular character device,
- * and so there must be an exact match in the name for open to succeed.
- * In the case of alt_fs_reg() the name of the device is treated as the
- * mount point for a directory, and so any call to open() where the name
- * is the root of the device filename will succeed.
- */
- extern int alt_fs_reg (alt_dev* dev);
- static ALT_INLINE int alt_dev_reg (alt_dev* dev)
- {
- extern alt_llist alt_dev_list;
- return alt_dev_llist_insert ((alt_dev_llist*) dev, &alt_dev_list);
- }
- #ifdef __cplusplus
- }
- #endif
-
- #endif /* __ALT_DEV_H__ */
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