patch-2.0.31 linux/drivers/isdn/icn/icn.h
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- Lines: 361
- Date:
Mon Aug 4 17:34:00 1997
- Orig file:
v2.0.30/linux/drivers/isdn/icn/icn.h
- Orig date:
Tue Nov 12 22:36:19 1996
diff -u --recursive --new-file v2.0.30/linux/drivers/isdn/icn/icn.h linux/drivers/isdn/icn/icn.h
@@ -1,5 +1,5 @@
-/* $Id: icn.h,v 1.22 1996/11/13 02:37:33 fritz Exp $
- *
+/* $Id: icn.h,v 1.26 1997/02/14 12:23:16 fritz Exp $
+
* ISDN lowlevel-module for the ICN active ISDN-Card.
*
* Copyright 1994 by Fritz Elfert (fritz@wuemaus.franken.de)
@@ -16,9 +16,23 @@
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* $Log: icn.h,v $
+ * Revision 1.26 1997/02/14 12:23:16 fritz
+ * Added support for new insmod parameter handling.
+ *
+ * Revision 1.25 1997/02/10 10:10:31 fritz
+ * Changes for Kernel 2.1.X compatibility.
+ * Enhanced initialization, can recover from
+ * misconfiguration by other autoprobing drivers.
+ *
+ * Revision 1.24 1997/01/29 22:34:46 fritz
+ * Cleanup, Corrected D64S setup of 2nd channel.
+ *
+ * Revision 1.23 1996/12/17 18:47:55 tsbogend
+ * changed timeouts from absolute numbers to HZ based values
+ *
* Revision 1.22 1996/11/13 02:37:33 fritz
* Added delay include.
*
@@ -113,9 +127,9 @@
/* Struct for adding new cards */
typedef struct icn_cdef {
- int port;
- char id1[10];
- char id2[10];
+ int port;
+ char id1[10];
+ char id2[10];
} icn_cdef;
#if defined(__KERNEL__) || defined(__DEBUGVAR__)
@@ -141,7 +155,7 @@
#include <linux/delay.h>
#include <linux/isdnif.h>
-#endif /* __KERNEL__ */
+#endif /* __KERNEL__ */
/* some useful macros for debugging */
#ifdef ICN_DEBUG_PORT
@@ -155,138 +169,154 @@
#define ICN_PORTLEN (0x04)
#define ICN_MEMADDR 0x0d0000
-#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 1 /* 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 8000 /* Max. outstanding send-data (2* hw-buf.) */
-#define ICN_FRAGSIZE (250) /* Max. size of send-fragments */
-#define ICN_BCH 2 /* Number of supported channels per card */
+#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 (HZ) /* Delay for Boot-download (jiffies) */
+#define ICN_CHANLOCK_DELAY (HZ/10) /* Delay for Channel-mapping (jiffies) */
+
+#define ICN_TIMER_BCREAD (HZ/100) /* B-Channel poll-cycle */
+#define ICN_TIMER_DCREAD (HZ/2) /* 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 8000 /* Max. outstanding send-data (2* hw-buf.) */
+#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;
/*
* 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 */
- u_char xmit_lock[ICN_BCH]; /* Semaphore for pollbchan_send() */
+ 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 */
+ u_char xmit_lock[ICN_BCH]; /* Semaphore for pollbchan_send() */
} icn_card;
/*
* 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_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 */
+ int firstload; /* Flag: firmware never loaded */
} icn_dev;
typedef icn_dev *icn_devptr;
#ifdef __KERNEL__
-static icn_card *cards = (icn_card *) 0;
-static u_char chan2bank[] = { 0, 4, 8, 12 }; /* for icn_map_channel() */
+static icn_card *cards = (icn_card *) 0;
+static u_char chan2bank[] =
+{0, 4, 8, 12}; /* for icn_map_channel() */
-static icn_dev dev;
+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";
-char *icn_id2 = "\0";
+static int portbase = ICN_BASEADDR;
+static int membase = ICN_MEMADDR;
+static char *icn_id = "\0";
+static char *icn_id2 = "\0";
+
+#ifdef MODULE
+#if (LINUX_VERSION_CODE > 0x020111)
+MODULE_AUTHOR("Fritz Elfert");
+MODULE_PARM(portbase, "i");
+MODULE_PARM_DESC(portbase, "Port adress of first card");
+MODULE_PARM(membase, "i");
+MODULE_PARM_DESC(membase, "Shared memory adress of all cards");
+MODULE_PARM(icn_id, "s");
+MODULE_PARM_DESC(icn_id, "ID-String of first card");
+MODULE_PARM(icn_id2, "s");
+MODULE_PARM_DESC(icn_id2, "ID-String of first card, second S0 (4B only)");
+#endif
+#endif
-#endif /* __KERNEL__ */
+#endif /* __KERNEL__ */
/* Utility-Macros */
@@ -298,11 +328,11 @@
/* Return true, if there is a free transmit-buffer */
#define sbfree (((readb(&dev.shmem->data_control.scns)+1) & 0xf) != \
- readb(&dev.shmem->data_control.scnr))
+ readb(&dev.shmem->data_control.scnr))
/* Switch to next transmit-buffer */
#define sbnext (writeb((readb(&dev.shmem->data_control.scns)+1) & 0xf, \
- &dev.shmem->data_control.scns))
+ &dev.shmem->data_control.scns))
/* Shortcuts for transmit-buffer-access */
#define sbuf_n dev.shmem->data_control.scns
@@ -312,11 +342,11 @@
/* Return true, if there is receive-data is available */
#define rbavl (readb(&dev.shmem->data_control.ecnr) != \
- readb(&dev.shmem->data_control.ecns))
+ readb(&dev.shmem->data_control.ecns))
/* Switch to next receive-buffer */
#define rbnext (writeb((readb(&dev.shmem->data_control.ecnr)+1) & 0xf, \
- &dev.shmem->data_control.ecnr))
+ &dev.shmem->data_control.ecnr))
/* Shortcuts for receive-buffer-access */
#define rbuf_n dev.shmem->data_control.ecnr
@@ -330,8 +360,8 @@
/* Return free space in command-buffer */
#define cmd_free ((readb(&cmd_i)>=readb(&cmd_o))? \
- 0x100-readb(&cmd_i)+readb(&cmd_o): \
- readb(&cmd_o)-readb(&cmd_i))
+ 0x100-readb(&cmd_i)+readb(&cmd_o): \
+ readb(&cmd_o)-readb(&cmd_i))
/* Shortcuts for message-buffer-access */
#define msg_o (dev.shmem->comm_control.iopc_o)
@@ -339,8 +369,8 @@
/* Return length of Message, if avail. */
#define msg_avail ((readb(&msg_o)>readb(&msg_i))? \
- 0x100-readb(&msg_o)+readb(&msg_i): \
- readb(&msg_i)-readb(&msg_o))
+ 0x100-readb(&msg_o)+readb(&msg_i): \
+ readb(&msg_i)-readb(&msg_o))
#define CID (card->interface.id)
@@ -355,5 +385,5 @@
#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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