isdnif.h

基于组件方式开发操作系统的OSKIT源代码

#define ISDN_STAT_REDIR   272    /* Redir result                          */
#define ISDN_STAT_PROT    273    /* protocol IO specific callback         */
#define ISDN_STAT_DISPLAY 274    /* deliver a received display message    */
#define ISDN_STAT_L1ERR   275    /* Signal Layer-1 Error                  */
#define ISDN_STAT_FAXIND  276    /* FAX indications from HL-driver        */
#define ISDN_STAT_AUDIO   277    /* DTMF, DSP indications                 */
#define ISDN_STAT_DISCH   278    /* Disable/Enable channel usage          */

/*
 * Audio commands
 */
#define ISDN_AUDIO_SETDD	0	/* Set DTMF detection           */
#define ISDN_AUDIO_DTMF		1	/* Rx/Tx DTMF                   */

/*
 * Values for errcode field
 */
#define ISDN_STAT_L1ERR_SEND 1
#define ISDN_STAT_L1ERR_RECV 2

/*
 * Values for feature-field of interface-struct.
 */
/* Layer 2 */
#define ISDN_FEATURE_L2_X75I    (0x0001 << ISDN_PROTO_L2_X75I)
#define ISDN_FEATURE_L2_X75UI   (0x0001 << ISDN_PROTO_L2_X75UI)
#define ISDN_FEATURE_L2_X75BUI  (0x0001 << ISDN_PROTO_L2_X75BUI)
#define ISDN_FEATURE_L2_HDLC    (0x0001 << ISDN_PROTO_L2_HDLC)
#define ISDN_FEATURE_L2_TRANS   (0x0001 << ISDN_PROTO_L2_TRANS)
#define ISDN_FEATURE_L2_X25DTE  (0x0001 << ISDN_PROTO_L2_X25DTE)
#define ISDN_FEATURE_L2_X25DCE  (0x0001 << ISDN_PROTO_L2_X25DCE)
#define ISDN_FEATURE_L2_V11096  (0x0001 << ISDN_PROTO_L2_V11096)
#define ISDN_FEATURE_L2_V11019  (0x0001 << ISDN_PROTO_L2_V11019)
#define ISDN_FEATURE_L2_V11038  (0x0001 << ISDN_PROTO_L2_V11038)
#define ISDN_FEATURE_L2_MODEM   (0x0001 << ISDN_PROTO_L2_MODEM)
#define ISDN_FEATURE_L2_FAX	(0x0001 << ISDN_PROTO_L2_FAX)

#define ISDN_FEATURE_L2_MASK    (0x0FFFF) /* Max. 16 protocols */
#define ISDN_FEATURE_L2_SHIFT   (0)

/* Layer 3 */
#define ISDN_FEATURE_L3_TRANS   (0x10000 << ISDN_PROTO_L3_TRANS)
#define ISDN_FEATURE_L3_TRANSDSP (0x10000 << ISDN_PROTO_L3_TRANSDSP)
#define ISDN_FEATURE_L3_FAX	(0x10000 << ISDN_PROTO_L3_FAX)

#define ISDN_FEATURE_L3_MASK    (0x0FF0000) /* Max. 8 Protocols */
#define ISDN_FEATURE_L3_SHIFT   (16)

/* Signaling */
#define ISDN_FEATURE_P_UNKNOWN  (0x1000000 << ISDN_PTYPE_UNKNOWN)
#define ISDN_FEATURE_P_1TR6     (0x1000000 << ISDN_PTYPE_1TR6)
#define ISDN_FEATURE_P_EURO     (0x1000000 << ISDN_PTYPE_EURO)
#define ISDN_FEATURE_P_NI1      (0x1000000 << ISDN_PTYPE_NI1)

#define ISDN_FEATURE_P_MASK     (0x0FF000000) /* Max. 8 Protocols */
#define ISDN_FEATURE_P_SHIFT    (24)

typedef struct setup_parm {
    unsigned char phone[32];	/* Remote Phone-Number */
    unsigned char eazmsn[32];	/* Local EAZ or MSN    */
    unsigned char si1;      /* Service Indicator 1 */
    unsigned char si2;      /* Service Indicator 2 */
    unsigned char plan;     /* Numbering plan      */
    unsigned char screen;   /* Screening info      */
} setup_parm;


#ifdef CONFIG_ISDN_TTY_FAX
/* T.30 Fax G3 */

#define FAXIDLEN 21

typedef struct T30_s {
	/* session parameters */
	__u8 resolution		__attribute__ ((packed));
	__u8 rate		__attribute__ ((packed));
	__u8 width		__attribute__ ((packed));
	__u8 length		__attribute__ ((packed));
	__u8 compression	__attribute__ ((packed));
	__u8 ecm		__attribute__ ((packed));
	__u8 binary		__attribute__ ((packed));
	__u8 scantime		__attribute__ ((packed));
	__u8 id[FAXIDLEN]	__attribute__ ((packed));
	/* additional parameters */
	__u8 phase		__attribute__ ((packed));
	__u8 direction		__attribute__ ((packed));
	__u8 code		__attribute__ ((packed));
	__u8 badlin		__attribute__ ((packed));
	__u8 badmul		__attribute__ ((packed));
	__u8 bor		__attribute__ ((packed));
	__u8 fet		__attribute__ ((packed));
	__u8 pollid[FAXIDLEN]	__attribute__ ((packed));
	__u8 cq			__attribute__ ((packed));
	__u8 cr			__attribute__ ((packed));
	__u8 ctcrty		__attribute__ ((packed));
	__u8 minsp		__attribute__ ((packed));
	__u8 phcto		__attribute__ ((packed));
	__u8 rel		__attribute__ ((packed));
	__u8 nbc		__attribute__ ((packed));
	/* remote station parameters */
	__u8 r_resolution	__attribute__ ((packed));
	__u8 r_rate		__attribute__ ((packed));
	__u8 r_width		__attribute__ ((packed));
	__u8 r_length		__attribute__ ((packed));
	__u8 r_compression	__attribute__ ((packed));
	__u8 r_ecm		__attribute__ ((packed));
	__u8 r_binary		__attribute__ ((packed));
	__u8 r_scantime		__attribute__ ((packed));
	__u8 r_id[FAXIDLEN]	__attribute__ ((packed));
	__u8 r_code		__attribute__ ((packed));
} T30_s;

#define ISDN_TTY_FAX_CONN_IN	0
#define ISDN_TTY_FAX_CONN_OUT	1

#define ISDN_TTY_FAX_FCON	0
#define ISDN_TTY_FAX_DIS 	1
#define ISDN_TTY_FAX_FTT 	2
#define ISDN_TTY_FAX_MCF 	3
#define ISDN_TTY_FAX_DCS 	4
#define ISDN_TTY_FAX_TRAIN_OK	5
#define ISDN_TTY_FAX_EOP 	6
#define ISDN_TTY_FAX_EOM 	7
#define ISDN_TTY_FAX_MPS 	8
#define ISDN_TTY_FAX_DTC 	9
#define ISDN_TTY_FAX_RID 	10
#define ISDN_TTY_FAX_HNG 	11
#define ISDN_TTY_FAX_DT  	12
#define ISDN_TTY_FAX_FCON_I	13
#define ISDN_TTY_FAX_DR  	14
#define ISDN_TTY_FAX_ET  	15
#define ISDN_TTY_FAX_CFR 	16
#define ISDN_TTY_FAX_PTS 	17
#define ISDN_TTY_FAX_SENT	18

#define ISDN_FAX_PHASE_IDLE	0
#define ISDN_FAX_PHASE_A	1
#define ISDN_FAX_PHASE_B   	2
#define ISDN_FAX_PHASE_C   	3
#define ISDN_FAX_PHASE_D   	4
#define ISDN_FAX_PHASE_E   	5

#endif /* TTY_FAX */

/* CAPI structs */

/* this is compatible to the old union size */
#define MAX_CAPI_PARA_LEN 50

typedef struct {
	/* Header */
	__u16 Length;
	__u16 ApplId;
	__u8 Command;
	__u8 Subcommand;
	__u16 Messagenumber;

	/* Parameter */
	union {
		__u32 Controller;
		__u32 PLCI;
		__u32 NCCI;
	} adr;
	__u8 para[MAX_CAPI_PARA_LEN];
} capi_msg;

/*
 * Structure for exchanging above infos
 *
 */
typedef struct {
	int   driver;		/* Lowlevel-Driver-ID            */
	int   command;		/* Command or Status (see above) */
	ulong arg;		/* Additional Data               */
	union {
		ulong errcode;	/* Type of error with STAT_L1ERR         */
		int length;	/* Amount of bytes sent with STAT_BSENT  */
		u_char num[50];/* Additional Data			*/
		setup_parm setup;/* For SETUP msg			*/
		capi_msg cmsg;	/* For CAPI like messages		*/
		char display[85];/* display message data          */ 
		dss1_cmd_stat dss1_io; /* DSS1 IO-parameter/result */
#ifdef CONFIG_ISDN_TTY_FAX
		T30_s	*fax;	/* Pointer to ttys fax struct		*/
#endif
	} parm;
} isdn_ctrl;

/*
 * The interface-struct itself (initialized at load-time of lowlevel-driver)
 *
 * See Documentation/isdn/INTERFACE for a description, how the communication
 * between the ISDN subsystem and its drivers is done.
 *
 */
typedef struct {
  /* Number of channels supported by this driver
   */
  int channels;

  /* 
   * Maximum Size of transmit/receive-buffer this driver supports.
   */
  int maxbufsize;

  /* Feature-Flags for this driver.
   * See defines ISDN_FEATURE_... for Values
   */
  unsigned long features;

  /*
   * Needed for calculating
   * dev->hard_header_len = linklayer header + hl_hdrlen;
   * Drivers, not supporting sk_buff's should set this to 0.
   */
  unsigned short hl_hdrlen;

  /*
   * Receive-Callback using sk_buff's
   * Parameters:
   *             int                    Driver-ID
   *             int                    local channel-number (0 ...)
   *             struct sk_buff *skb    received Data
   */
  void (*rcvcallb_skb)(int, int, struct sk_buff *);

  /* Status-Callback
   * Parameters:
   *             isdn_ctrl*
   *                   driver  = Driver ID.
   *                   command = One of above ISDN_STAT_... constants.
   *                   arg     = depending on status-type.
   *                   num     = depending on status-type.
   */
  int (*statcallb)(isdn_ctrl*);

  /* Send command
   * Parameters:
   *             isdn_ctrl*
   *                   driver  = Driver ID.
   *                   command = One of above ISDN_CMD_... constants.
   *                   arg     = depending on command.
   *                   num     = depending on command.
   */
  int (*command)(isdn_ctrl*);

  /*
   * Send data using sk_buff's
   * Parameters:
   *             int                    driverId
   *             int                    local channel-number (0...)
   *             int                    Flag: Need ACK for this packet.
   *             struct sk_buff *skb    Data to send
   */
  int (*writebuf_skb) (int, int, int, struct sk_buff *);

  /* Send raw D-Channel-Commands
   * Parameters:
   *             u_char pointer data
   *             int    length of data
   *             int    Flag: 0 = Call form Kernel-Space (use memcpy,
   *                              no schedule allowed) 
   *                          1 = Data is in User-Space (use memcpy_fromfs,
   *                              may schedule)
   *             int    driverId
   *             int    local channel-number (0 ...)
   */
  int (*writecmd)(const u_char*, int, int, int, int);

  /* Read raw Status replies
   *             u_char pointer data (volatile)
   *             int    length of buffer
   *             int    Flag: 0 = Call form Kernel-Space (use memcpy,
   *                              no schedule allowed) 
   *                          1 = Data is in User-Space (use memcpy_fromfs,
   *                              may schedule)
   *             int    driverId
   *             int    local channel-number (0 ...)
   */
  int (*readstat)(u_char*, int, int, int, int);

  char id[20];
} isdn_if;

/*
 * Function which must be called by lowlevel-driver at loadtime with
 * the following fields of above struct set:
 *
 * channels     Number of channels that will be supported.
 * hl_hdrlen    Space to preserve in sk_buff's when sending. Drivers, not
 *              supporting sk_buff's should set this to 0.
 * command      Address of Command-Handler.
 * features     Bitwise coded Features of this driver. (use ISDN_FEATURE_...)
 * writebuf_skb Address of Skbuff-Send-Handler.
 * writecmd        "    "  D-Channel  " which accepts raw D-Ch-Commands.
 * readstat        "    "  D-Channel  " which delivers raw Status-Data.
 *
 * The linklevel-driver fills the following fields:
 *
 * channels      Driver-ID assigned to this driver. (Must be used on all
 *               subsequent callbacks.
 * rcvcallb_skb  Address of handler for received Skbuff's.
 * statcallb        "    "     "    for status-changes.
 *
 */
extern int register_isdn(isdn_if*);
#include <asm/uaccess.h>

#endif /* __KERNEL__ */
#endif /* isdnif_h */