patch-pre2.0.6 linux/drivers/isdn/icn/icn.h
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- Lines: 374
- Date:
Sun May 19 16:15:17 1996
- Orig file:
pre2.0.5/linux/drivers/isdn/icn/icn.h
- Orig date:
Sun Apr 21 19:22:06 1996
diff -u --recursive --new-file pre2.0.5/linux/drivers/isdn/icn/icn.h linux/drivers/isdn/icn/icn.h
@@ -1,4 +1,4 @@
-/* $Id: icn.h,v 1.13 1996/04/20 16:51:41 fritz Exp $
+/* $Id: icn.h,v 1.17 1996/05/18 00:47:04 fritz Exp $
*
* ISDN lowlevel-module for the ICN active ISDN-Card.
*
@@ -19,6 +19,21 @@
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* $Log: icn.h,v $
+ * Revision 1.17 1996/05/18 00:47:04 fritz
+ * Removed callback debug code.
+ *
+ * Revision 1.16 1996/05/17 15:46:43 fritz
+ * Removed own queue management.
+ * Changed queue management to use sk_buffs.
+ *
+ * Revision 1.15 1996/05/02 04:01:57 fritz
+ * Removed ICN_MAXCARDS
+ *
+ * Revision 1.14 1996/05/02 00:40:29 fritz
+ * Major rewrite to support more than one card
+ * with a single module.
+ * Support for new firmware.
+ *
* Revision 1.13 1996/04/20 16:51:41 fritz
* Increased status buffer.
* Misc. typos
@@ -75,6 +90,14 @@
#define ICN_IOCTL_LEASEDCFG 6
#define ICN_IOCTL_GETDOUBLE 7
#define ICN_IOCTL_DEBUGVAR 8
+#define ICN_IOCTL_ADDCARD 9
+
+/* Struct for adding new cards */
+typedef struct icn_cdef {
+ int port;
+ char id1[10];
+ char id2[10];
+} icn_cdef;
#if defined(__KERNEL__) || defined(__DEBUGVAR__)
@@ -98,7 +121,7 @@
#include <linux/wait.h>
#include <linux/isdnif.h>
-#endif /* __KERNEL__ */
+#endif /* __KERNEL__ */
/* some useful macros for debugging */
#ifdef ICN_DEBUG_PORT
@@ -112,177 +135,190 @@
#define ICN_PORTLEN (0x04)
#define ICN_MEMADDR 0x0d0000
-/* Macros for accessing ports */
-#define ICN_CFG (dev->port)
-#define ICN_MAPRAM (dev->port+1)
-#define ICN_RUN (dev->port+2)
-#define ICN_BANK (dev->port+3)
-
-#define ICN_FLAGS_B1ACTIVE 1 /* B-Channel-1 is open */
-#define ICN_FLAGS_B2ACTIVE 2 /* B-Channel-2 is open */
-#define ICN_FLAGS_RBTIMER 8 /* cyclic scheduling of B-Channel-poll */
-
-#define ICN_BOOT_TIMEOUT1 100 /* Delay for Boot-download (jiffies) */
-#define ICN_CHANLOCK_DELAY 10 /* Delay for Channel-mapping (jiffies) */
-
-#define ICN_TIMER_BCREAD 3 /* B-Channel poll-cycle */
-#define ICN_TIMER_DCREAD 50 /* D-Channel poll-cycle */
-
-#define ICN_CODE_STAGE1 4096 /* Size of bootcode */
-#define ICN_CODE_STAGE2 65536 /* Size of protocol-code */
-
-#define ICN_MAX_SQUEUE 65536 /* Max. outstanding send-data */
-#define ICN_FRAGSIZE (250) /* Max. size of send-fragments */
-#define ICN_BCH 2 /* Number of supported channels */
+#define ICN_FLAGS_B1ACTIVE 1 /* B-Channel-1 is open */
+#define ICN_FLAGS_B2ACTIVE 2 /* B-Channel-2 is open */
+#define ICN_FLAGS_RUNNING 4 /* Cards driver activated */
+#define ICN_FLAGS_RBTIMER 8 /* cyclic scheduling of B-Channel-poll */
+
+#define ICN_BOOT_TIMEOUT1 100 /* Delay for Boot-download (jiffies) */
+#define ICN_CHANLOCK_DELAY 10 /* Delay for Channel-mapping (jiffies) */
+
+#define ICN_TIMER_BCREAD 3 /* B-Channel poll-cycle */
+#define ICN_TIMER_DCREAD 50 /* D-Channel poll-cycle */
+
+#define ICN_CODE_STAGE1 4096 /* Size of bootcode */
+#define ICN_CODE_STAGE2 65536 /* Size of protocol-code */
+
+#define ICN_MAX_SQUEUE 65536 /* Max. outstanding send-data */
+#define ICN_FRAGSIZE (250) /* Max. size of send-fragments */
+#define ICN_BCH 2 /* Number of supported channels per card */
/* type-definitions for accessing the mmap-io-areas */
-#define SHM_DCTL_OFFSET (0) /* Offset to data-controlstructures in shm */
-#define SHM_CCTL_OFFSET (0x1d2) /* Offset to comm-controlstructures in shm */
-#define SHM_CBUF_OFFSET (0x200) /* Offset to comm-buffers in shm */
-#define SHM_DBUF_OFFSET (0x2000) /* Offset to data-buffers in shm */
+#define SHM_DCTL_OFFSET (0) /* Offset to data-controlstructures in shm */
+#define SHM_CCTL_OFFSET (0x1d2) /* Offset to comm-controlstructures in shm */
+#define SHM_CBUF_OFFSET (0x200) /* Offset to comm-buffers in shm */
+#define SHM_DBUF_OFFSET (0x2000) /* Offset to data-buffers in shm */
+/*
+ * Layout of card's data buffers
+ */
typedef struct {
- unsigned char length; /* Bytecount of fragment (max 250) */
- unsigned char endflag; /* 0=last frag., 0xff=frag. continued */
- unsigned char data[ICN_FRAGSIZE]; /* The data */
- /* Fill to 256 bytes */
- char unused[0x100 - ICN_FRAGSIZE - 2];
+ unsigned char length; /* Bytecount of fragment (max 250) */
+ unsigned char endflag; /* 0=last frag., 0xff=frag. continued */
+ unsigned char data[ICN_FRAGSIZE]; /* The data */
+ /* Fill to 256 bytes */
+ char unused[0x100 - ICN_FRAGSIZE - 2];
} frag_buf;
+/*
+ * Layout of card's shared memory
+ */
typedef union {
- struct {
- unsigned char scns; /* Index to free SendFrag. */
- unsigned char scnr; /* Index to active SendFrag READONLY */
- unsigned char ecns; /* Index to free RcvFrag. READONLY */
- unsigned char ecnr; /* Index to valid RcvFrag */
- char unused[6];
- unsigned short fuell1; /* Internal Buf Bytecount */
- } data_control;
- struct {
- char unused[SHM_CCTL_OFFSET];
- unsigned char iopc_i; /* Read-Ptr Status-Queue READONLY */
- unsigned char iopc_o; /* Write-Ptr Status-Queue */
- unsigned char pcio_i; /* Write-Ptr Command-Queue */
- unsigned char pcio_o; /* Read-Ptr Command Queue READONLY */
- } comm_control;
- struct {
- char unused[SHM_CBUF_OFFSET];
- unsigned char pcio_buf[0x100]; /* Ring-Buffer Command-Queue */
- unsigned char iopc_buf[0x100]; /* Ring-Buffer Status-Queue */
- } comm_buffers;
- struct {
- char unused[SHM_DBUF_OFFSET];
- frag_buf receive_buf[0x10];
- frag_buf send_buf[0x10];
- } data_buffers;
+ struct {
+ unsigned char scns; /* Index to free SendFrag. */
+ unsigned char scnr; /* Index to active SendFrag READONLY */
+ unsigned char ecns; /* Index to free RcvFrag. READONLY */
+ unsigned char ecnr; /* Index to valid RcvFrag */
+ char unused[6];
+ unsigned short fuell1; /* Internal Buf Bytecount */
+ } data_control;
+ struct {
+ char unused[SHM_CCTL_OFFSET];
+ unsigned char iopc_i; /* Read-Ptr Status-Queue READONLY */
+ unsigned char iopc_o; /* Write-Ptr Status-Queue */
+ unsigned char pcio_i; /* Write-Ptr Command-Queue */
+ unsigned char pcio_o; /* Read-Ptr Command Queue READONLY */
+ } comm_control;
+ struct {
+ char unused[SHM_CBUF_OFFSET];
+ unsigned char pcio_buf[0x100]; /* Ring-Buffer Command-Queue */
+ unsigned char iopc_buf[0x100]; /* Ring-Buffer Status-Queue */
+ } comm_buffers;
+ struct {
+ char unused[SHM_DBUF_OFFSET];
+ frag_buf receive_buf[0x10];
+ frag_buf send_buf[0x10];
+ } data_buffers;
} icn_shmem;
-/* Sendbuffer-queue-element */
-typedef struct {
- char *next;
- short length;
- short size;
- u_char *rptr;
- u_char buffer[1];
-} pqueue;
+/*
+ * Per card driver data
+ */
+typedef struct icn_card {
+ struct icn_card *next; /* Pointer to next device struct */
+ struct icn_card *other; /* Pointer to other card for ICN4B */
+ unsigned short port; /* Base-port-address */
+ int myid; /* Driver-Nr. assigned by linklevel */
+ int rvalid; /* IO-portregion has been requested */
+ int leased; /* Flag: This Adapter is connected */
+ /* to a leased line */
+ unsigned short flags; /* Statusflags */
+ int doubleS0; /* Flag: ICN4B */
+ int secondhalf; /* Flag: Second half of a doubleS0 */
+ int fw_rev; /* Firmware revision loaded */
+ int ptype; /* Protocol type (1TR6 or Euro) */
+ struct timer_list st_timer; /* Timer for Status-Polls */
+ struct timer_list rb_timer; /* Timer for B-Channel-Polls */
+ u_char rcvbuf[ICN_BCH][4096]; /* B-Channel-Receive-Buffers */
+ int rcvidx[ICN_BCH]; /* Index for above buffers */
+ int l2_proto[ICN_BCH]; /* Current layer-2-protocol */
+ isdn_if interface; /* Interface to upper layer */
+ int iptr; /* Index to imsg-buffer */
+ char imsg[60]; /* Internal buf for status-parsing */
+ char msg_buf[2048]; /* Buffer for status-messages */
+ char *msg_buf_write; /* Writepointer for statusbuffer */
+ char *msg_buf_read; /* Readpointer for statusbuffer */
+ char *msg_buf_end; /* Pointer to end of statusbuffer */
+ int sndcount[ICN_BCH]; /* Byte-counters for B-Ch.-send */
+ struct sk_buff_head
+ spqueue[ICN_BCH]; /* Sendqueue */
+ char regname[35]; /* Name used for request_region */
+} icn_card;
-typedef struct {
- unsigned short port; /* Base-port-address */
- icn_shmem *shmem; /* Pointer to memory-mapped-buffers */
- int myid; /* Driver-Nr. assigned by linklevel */
- int rvalid; /* IO-portregion has been requested */
- int mvalid; /* IO-shmem has been requested */
- int leased; /* Flag: This Adapter is connected */
- /* to a leased line */
- unsigned short flags; /* Statusflags */
- int doubleS0; /* Flag: Double-S0-Card */
- int secondhalf; /* Flag: Second half of a doubleS0 */
- int ptype; /* Protocol type (1TR6 or Euro) */
- struct timer_list st_timer; /* Timer for Status-Polls */
- struct timer_list rb_timer; /* Timer for B-Channel-Polls */
- int channel; /* Currently mapped Channel */
- int chanlock; /* Semaphore for Channel-Mapping */
- u_char rcvbuf[ICN_BCH][4096]; /* B-Channel-Receive-Buffers */
- int rcvidx[ICN_BCH]; /* Index for above buffers */
- int l2_proto[ICN_BCH]; /* Current layer-2-protocol */
- isdn_if interface; /* Interface to upper layer */
- int iptr; /* Index to imsg-buffer */
- char imsg[60]; /* Internal buf for status-parsing */
- char msg_buf[2048]; /* Buffer for status-messages */
- char *msg_buf_write; /* Writepointer for statusbuffer */
- char *msg_buf_read; /* Readpointer for statusbuffer */
- char *msg_buf_end; /* Pointer to end of statusbuffer */
- int sndcount[ICN_BCH]; /* Byte-counters for B-Ch.-send */
- pqueue *spqueue[ICN_BCH]; /* Pointers to start of Send-Queue */
-#ifdef DEBUG_RCVCALLBACK
- int akt_pending[ICN_BCH];
- int max_pending[ICN_BCH];
-#endif
+/*
+ * Main driver data
+ */
+typedef struct icn_dev {
+ icn_shmem *shmem; /* Pointer to memory-mapped-buffers */
+ int mvalid; /* IO-shmem has been requested */
+ int channel; /* Currently mapped channel */
+ struct icn_card *mcard; /* Currently mapped card */
+ int chanlock; /* Semaphore for channel-mapping */
} icn_dev;
typedef icn_dev *icn_devptr;
#ifdef __KERNEL__
-static icn_dev *dev = (icn_dev *) 0;
-static icn_dev *dev2 = (icn_dev *) 0;
+
+static icn_card *cards = (icn_card *) 0;
+static u_char chan2bank[] = { 0, 4, 8, 12 }; /* for icn_map_channel() */
+
+static icn_dev dev;
/* With modutils >= 1.1.67 Integers can be changed while loading a
* module. For this reason define the Port-Base an Shmem-Base as
* integers.
*/
-int portbase = ICN_BASEADDR;
-int membase = ICN_MEMADDR;
-char *icn_id = "\0";
+int portbase = ICN_BASEADDR;
+int membase = ICN_MEMADDR;
+char *icn_id = "\0";
char *icn_id2 = "\0";
-static char regname[35]; /* Name used for port/mem-registration */
-#endif /* __KERNEL__ */
+#endif /* __KERNEL__ */
/* Utility-Macros */
+/* Macros for accessing ports */
+#define ICN_CFG (card->port)
+#define ICN_MAPRAM (card->port+1)
+#define ICN_RUN (card->port+2)
+#define ICN_BANK (card->port+3)
+
/* Return true, if there is a free transmit-buffer */
-#define sbfree (((dev->shmem->data_control.scns+1) & 0xf) != \
- dev->shmem->data_control.scnr)
+#define sbfree (((dev.shmem->data_control.scns+1) & 0xf) != \
+ dev.shmem->data_control.scnr)
/* Switch to next transmit-buffer */
-#define sbnext (dev->shmem->data_control.scns = \
- ((dev->shmem->data_control.scns+1) & 0xf))
+#define sbnext (dev.shmem->data_control.scns = \
+ ((dev.shmem->data_control.scns+1) & 0xf))
/* Shortcuts for transmit-buffer-access */
-#define sbuf_n dev->shmem->data_control.scns
-#define sbuf_d dev->shmem->data_buffers.send_buf[sbuf_n].data
-#define sbuf_l dev->shmem->data_buffers.send_buf[sbuf_n].length
-#define sbuf_f dev->shmem->data_buffers.send_buf[sbuf_n].endflag
+#define sbuf_n dev.shmem->data_control.scns
+#define sbuf_d dev.shmem->data_buffers.send_buf[sbuf_n].data
+#define sbuf_l dev.shmem->data_buffers.send_buf[sbuf_n].length
+#define sbuf_f dev.shmem->data_buffers.send_buf[sbuf_n].endflag
/* Return true, if there is receive-data is available */
-#define rbavl (dev->shmem->data_control.ecnr != \
- dev->shmem->data_control.ecns)
+#define rbavl (dev.shmem->data_control.ecnr != \
+ dev.shmem->data_control.ecns)
/* Switch to next receive-buffer */
-#define rbnext (dev->shmem->data_control.ecnr = \
- ((dev->shmem->data_control.ecnr+1) & 0xf))
+#define rbnext (dev.shmem->data_control.ecnr = \
+ ((dev.shmem->data_control.ecnr+1) & 0xf))
/* Shortcuts for receive-buffer-access */
-#define rbuf_n dev->shmem->data_control.ecnr
-#define rbuf_d dev->shmem->data_buffers.receive_buf[rbuf_n].data
-#define rbuf_l dev->shmem->data_buffers.receive_buf[rbuf_n].length
-#define rbuf_f dev->shmem->data_buffers.receive_buf[rbuf_n].endflag
+#define rbuf_n dev.shmem->data_control.ecnr
+#define rbuf_d dev.shmem->data_buffers.receive_buf[rbuf_n].data
+#define rbuf_l dev.shmem->data_buffers.receive_buf[rbuf_n].length
+#define rbuf_f dev.shmem->data_buffers.receive_buf[rbuf_n].endflag
/* Shortcuts for command-buffer-access */
-#define cmd_o (dev->shmem->comm_control.pcio_o)
-#define cmd_i (dev->shmem->comm_control.pcio_i)
+#define cmd_o (dev.shmem->comm_control.pcio_o)
+#define cmd_i (dev.shmem->comm_control.pcio_i)
/* Return free space in command-buffer */
#define cmd_free ((cmd_i>=cmd_o)?0x100-cmd_i+cmd_o:cmd_o-cmd_i)
/* Shortcuts for message-buffer-access */
-#define msg_o (dev->shmem->comm_control.iopc_o)
-#define msg_i (dev->shmem->comm_control.iopc_i)
+#define msg_o (dev.shmem->comm_control.iopc_o)
+#define msg_i (dev.shmem->comm_control.iopc_i)
/* Return length of Message, if avail. */
#define msg_avail ((msg_o>msg_i)?0x100-msg_o+msg_i:msg_i-msg_o)
+#define CID (card->interface.id)
+
#define MIN(a,b) ((a<b)?a:b)
#define MAX(a,b) ((a>b)?a:b)
@@ -294,5 +330,5 @@
#define release_shmem release_region
#define request_shmem request_region
-#endif /* defined(__KERNEL__) || defined(__DEBUGVAR__) */
-#endif /* icn_h */
+#endif /* defined(__KERNEL__) || defined(__DEBUGVAR__) */
+#endif /* icn_h */
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TCL-scripts by Sam Shen, slshen@lbl.gov
with Sam's (original) version of this