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eicon_isa.h
资源名称：linux-2.4.20.tar.gz　[点击查看]
上传用户：jlfgdled
上传日期：2013-04-10
资源大小：33168k
文件大小：5k
源码类别：

Linux/Unix编程

开发平台：

Unix_Linux

eicon_isa.h：源码内容
  1. /* $Id: eicon_isa.h,v 1.1.4.1 2001/11/20 14:19:35 kai Exp $
  2.  *
  3.  * ISDN low-level module for Eicon active ISDN-Cards.
  4.  *
  5.  * Copyright 1998      by Fritz Elfert (fritz@isdn4linux.de)
  6.  * Copyright 1998-2000 by Armin Schindler (mac@melware.de)
  7.  * Copyright 1999,2000 Cytronics & Melware (info@melware.de)
  8.  *
  9.  * This software may be used and distributed according to the terms
  10.  * of the GNU General Public License, incorporated herein by reference.
  11.  *
  12.  */
  14. #ifndef eicon_isa_h
  15. #define eicon_isa_h
  17. #ifdef __KERNEL__
  18. #include <linux/config.h>
  20. /* Factory defaults for ISA-Cards */
  21. #define EICON_ISA_MEMBASE 0xd0000
  22. #define EICON_ISA_IRQ     3
  23. /* shmem offset for Quadro parts */
  24. #define EICON_ISA_QOFFSET 0x0800
  26. typedef struct {
  27.         __u16 length __attribute__ ((packed));   /* length of data/parameter field         */
  28.         __u8  P[270];                            /* data/parameter field                   */
  29. } eicon_scom_PBUFFER;
  31. /* General communication buffer */
  32. typedef struct {
  33.         __u8   Req;                                /* request register                       */
  34. __u8   ReqId;                              /* request task/entity identification     */
  35. __u8   Rc;                                 /* return code register                   */
  36. __u8   RcId;                               /* return code task/entity identification */
  37. __u8   Ind;                                /* Indication register                    */
  38. __u8   IndId;                              /* Indication task/entity identification  */
  39. __u8   IMask;                              /* Interrupt Mask Flag                    */
  40. __u8   RNR;                                /* Receiver Not Ready (set by PC)         */
  41. __u8   XLock;                              /* XBuffer locked Flag                    */
  42. __u8   Int;                                /* ISDN interrupt                         */
  43. __u8   ReqCh;                              /* Channel field for layer-3 Requests     */
  44. __u8   RcCh;                               /* Channel field for layer-3 Returncodes  */
  45. __u8   IndCh;                              /* Channel field for layer-3 Indications  */
  46. __u8   MInd;                               /* more data indication field             */
  47. __u16  MLength;                            /* more data total packet length          */
  48. __u8   ReadyInt;                           /* request field for ready interrupt      */
  49. __u8   Reserved[12];                       /* reserved space                         */
  50. __u8   IfType;                             /* 1 = 16k-Interface                      */
  51. __u16  Signature __attribute__ ((packed)); /* ISDN adapter Signature                 */
  52. eicon_scom_PBUFFER XBuffer;                /* Transmit Buffer                        */
  53. eicon_scom_PBUFFER RBuffer;                /* Receive Buffer                         */
  54. } eicon_isa_com;
  56. /* struct for downloading firmware */
  57. typedef struct {
  58. __u8  ctrl;
  59. __u8  card;
  60. __u8  msize;
  61. __u8  fill0;
  62. __u16 ebit __attribute__ ((packed));
  63. __u32 eloc __attribute__ ((packed));
  64. __u8  reserved[20];
  65. __u16 signature __attribute__ ((packed));
  66. __u8  fill[224];
  67. __u8  b[256];
  68. } eicon_isa_boot;
  70. /* Shared memory */
  71. typedef union {
  72. unsigned char  c[0x400];
  73. eicon_isa_com  com;
  74. eicon_isa_boot boot;
  75. } eicon_isa_shmem;
  77. /*
  78.  * card's description
  79.  */
  80. typedef struct {
  81. int               ramsize;
  82. int               irq;     /* IRQ                        */
  83. unsigned long   physmem;  /* physical memory address   */
  84. #ifdef CONFIG_MCA
  85. int   io;     /* IO-port for MCA brand      */
  86. #endif /* CONFIG_MCA */
  87. void*             card;
  88. eicon_isa_shmem*  shmem;    /* Shared-memory area         */
  89. unsigned char*    intack;   /* Int-Acknowledge            */
  90. unsigned char*    stopcpu;  /* Writing here stops CPU     */
  91. unsigned char*    startcpu; /* Writing here starts CPU    */
  92. unsigned char     type;     /* card type                  */
  93. int   channels; /* No. of channels   */
  94. unsigned char     irqprobe; /* Flag: IRQ-probing          */
  95. unsigned char     mvalid;   /* Flag: Memory is valid      */
  96. unsigned char     ivalid;   /* Flag: IRQ is valid         */
  97. unsigned char     master;   /* Flag: Card ist Quadro 1/4  */
  98. } eicon_isa_card;
  100. /* Offsets for special locations on standard cards */
  101. #define INTACK     0x03fe 
  102. #define STOPCPU    0x0400
  103. #define STARTCPU   0x0401
  104. #define RAMSIZE    0x0400
  105. /* Offsets for special location on PRI card */
  106. #define INTACK_P   0x3ffc
  107. #define STOPCPU_P  0x3ffe
  108. #define STARTCPU_P 0x3fff
  109. #define RAMSIZE_P  0x4000
  112. extern int eicon_isa_load(eicon_isa_card *card, eicon_isa_codebuf *cb);
  113. extern int eicon_isa_bootload(eicon_isa_card *card, eicon_isa_codebuf *cb);
  114. extern void eicon_isa_release(eicon_isa_card *card);
  115. extern void eicon_isa_printpar(eicon_isa_card *card);
  116. extern void eicon_isa_transmit(eicon_isa_card *card);
  117. extern int eicon_isa_find_card(int Mem, int Irq, char * Id);
  119. #endif  /* __KERNEL__ */
  121. #endif /* eicon_isa_h */