diff options
Diffstat (limited to 'drivers/isdn/pcbit/layer2.h')
| -rw-r--r-- | drivers/isdn/pcbit/layer2.h | 281 |
1 files changed, 0 insertions, 281 deletions
diff --git a/drivers/isdn/pcbit/layer2.h b/drivers/isdn/pcbit/layer2.h deleted file mode 100644 index be1327bc162a..000000000000 --- a/drivers/isdn/pcbit/layer2.h +++ /dev/null @@ -1,281 +0,0 @@ -/* - * PCBIT-D low-layer interface definitions - * - * Copyright (C) 1996 Universidade de Lisboa - * - * Written by Pedro Roque Marques (roque@di.fc.ul.pt) - * - * This software may be used and distributed according to the terms of - * the GNU General Public License, incorporated herein by reference. - */ - -/* - * 19991203 - Fernando Carvalho - takion@superbofh.org - * Hacked to compile with egcs and run with current version of isdn modules - */ - -#ifndef LAYER2_H -#define LAYER2_H - -#include <linux/interrupt.h> - -#include <asm/byteorder.h> - -#define BANK1 0x0000U /* PC -> Board */ -#define BANK2 0x01ffU /* Board -> PC */ -#define BANK3 0x03feU /* Att Board */ -#define BANK4 0x03ffU /* Att PC */ - -#define BANKLEN 0x01FFU - -#define LOAD_ZONE_START 0x03f8U -#define LOAD_ZONE_END 0x03fdU - -#define LOAD_RETRY 18000000 - - - -/* TAM - XX - C - S - NUM */ -#define PREHDR_LEN 8 -/* TT - M - I - TH - TD */ -#define FRAME_HDR_LEN 8 - -#define MSG_CONN_REQ 0x08000100 -#define MSG_CONN_CONF 0x00000101 -#define MSG_CONN_IND 0x00000102 -#define MSG_CONN_RESP 0x08000103 - -#define MSG_CONN_ACTV_REQ 0x08000300 -#define MSG_CONN_ACTV_CONF 0x00000301 -#define MSG_CONN_ACTV_IND 0x00000302 -#define MSG_CONN_ACTV_RESP 0x08000303 - -#define MSG_DISC_REQ 0x08000400 -#define MSG_DISC_CONF 0x00000401 -#define MSG_DISC_IND 0x00000402 -#define MSG_DISC_RESP 0x08000403 - -#define MSG_TDATA_REQ 0x0908E200 -#define MSG_TDATA_CONF 0x0000E201 -#define MSG_TDATA_IND 0x0000E202 -#define MSG_TDATA_RESP 0x0908E203 - -#define MSG_SELP_REQ 0x09004000 -#define MSG_SELP_CONF 0x00004001 - -#define MSG_ACT_TRANSP_REQ 0x0908E000 -#define MSG_ACT_TRANSP_CONF 0x0000E001 - -#define MSG_STPROT_REQ 0x09004100 -#define MSG_STPROT_CONF 0x00004101 - -#define MSG_PING188_REQ 0x09030500 -#define MSG_PING188_CONF 0x000005bc - -#define MSG_WATCH188 0x09030400 - -#define MSG_API_ON 0x08020102 -#define MSG_POOL_PCBIT 0x08020400 -#define MSG_POOL_PCBIT_CONF 0x00000401 - -#define MSG_INFO_IND 0x00002602 -#define MSG_INFO_RESP 0x08002603 - -#define MSG_DEBUG_188 0x0000ff00 - -/* - - long 4 3 2 1 - Intel 1 2 3 4 -*/ - -#ifdef __LITTLE_ENDIAN -#define SET_MSG_SCMD(msg, ch) (msg = (msg & 0xffffff00) | (((ch) & 0xff))) -#define SET_MSG_CMD(msg, ch) (msg = (msg & 0xffff00ff) | (((ch) & 0xff) << 8)) -#define SET_MSG_PROC(msg, ch) (msg = (msg & 0xff00ffff) | (((ch) & 0xff) << 16)) -#define SET_MSG_CPU(msg, ch) (msg = (msg & 0x00ffffff) | (((ch) & 0xff) << 24)) - -#define GET_MSG_SCMD(msg) ((msg) & 0xFF) -#define GET_MSG_CMD(msg) ((msg) >> 8 & 0xFF) -#define GET_MSG_PROC(msg) ((msg) >> 16 & 0xFF) -#define GET_MSG_CPU(msg) ((msg) >> 24) - -#else -#error "Non-Intel CPU" -#endif - -#define MAX_QUEUED 7 - -#define SCHED_READ 0x01 -#define SCHED_WRITE 0x02 - -#define SET_RUN_TIMEOUT 2 * HZ /* 2 seconds */ - -struct frame_buf { - ulong msg; - unsigned int refnum; - unsigned int dt_len; - unsigned int hdr_len; - struct sk_buff *skb; - unsigned int copied; - struct frame_buf *next; -}; - -extern int pcbit_l2_write(struct pcbit_dev *dev, ulong msg, ushort refnum, - struct sk_buff *skb, unsigned short hdr_len); - -extern irqreturn_t pcbit_irq_handler(int interrupt, void *); - -extern struct pcbit_dev *dev_pcbit[MAX_PCBIT_CARDS]; - -#ifdef DEBUG -static __inline__ void log_state(struct pcbit_dev *dev) { - printk(KERN_DEBUG "writeptr = %ld\n", - (ulong) (dev->writeptr - dev->sh_mem)); - printk(KERN_DEBUG "readptr = %ld\n", - (ulong) (dev->readptr - (dev->sh_mem + BANK2))); - printk(KERN_DEBUG "{rcv_seq=%01x, send_seq=%01x, unack_seq=%01x}\n", - dev->rcv_seq, dev->send_seq, dev->unack_seq); -} -#endif - -static __inline__ struct pcbit_dev *chan2dev(struct pcbit_chan *chan) -{ - struct pcbit_dev *dev; - int i; - - - for (i = 0; i < MAX_PCBIT_CARDS; i++) - if ((dev = dev_pcbit[i])) - if (dev->b1 == chan || dev->b2 == chan) - return dev; - return NULL; - -} - -static __inline__ struct pcbit_dev *finddev(int id) -{ - struct pcbit_dev *dev; - int i; - - for (i = 0; i < MAX_PCBIT_CARDS; i++) - if ((dev = dev_pcbit[i])) - if (dev->id == id) - return dev; - return NULL; -} - - -/* - * Support routines for reading and writing in the board - */ - -static __inline__ void pcbit_writeb(struct pcbit_dev *dev, unsigned char dt) -{ - writeb(dt, dev->writeptr++); - if (dev->writeptr == dev->sh_mem + BANKLEN) - dev->writeptr = dev->sh_mem; -} - -static __inline__ void pcbit_writew(struct pcbit_dev *dev, unsigned short dt) -{ - int dist; - - dist = BANKLEN - (dev->writeptr - dev->sh_mem); - switch (dist) { - case 2: - writew(dt, dev->writeptr); - dev->writeptr = dev->sh_mem; - break; - case 1: - writeb((u_char) (dt & 0x00ffU), dev->writeptr); - dev->writeptr = dev->sh_mem; - writeb((u_char) (dt >> 8), dev->writeptr++); - break; - default: - writew(dt, dev->writeptr); - dev->writeptr += 2; - break; - }; -} - -static __inline__ void memcpy_topcbit(struct pcbit_dev *dev, u_char *data, - int len) -{ - int diff; - - diff = len - (BANKLEN - (dev->writeptr - dev->sh_mem)); - - if (diff > 0) - { - memcpy_toio(dev->writeptr, data, len - diff); - memcpy_toio(dev->sh_mem, data + (len - diff), diff); - dev->writeptr = dev->sh_mem + diff; - } - else - { - memcpy_toio(dev->writeptr, data, len); - - dev->writeptr += len; - if (diff == 0) - dev->writeptr = dev->sh_mem; - } -} - -static __inline__ unsigned char pcbit_readb(struct pcbit_dev *dev) -{ - unsigned char val; - - val = readb(dev->readptr++); - if (dev->readptr == dev->sh_mem + BANK2 + BANKLEN) - dev->readptr = dev->sh_mem + BANK2; - - return val; -} - -static __inline__ unsigned short pcbit_readw(struct pcbit_dev *dev) -{ - int dist; - unsigned short val; - - dist = BANKLEN - (dev->readptr - (dev->sh_mem + BANK2)); - switch (dist) { - case 2: - val = readw(dev->readptr); - dev->readptr = dev->sh_mem + BANK2; - break; - case 1: - val = readb(dev->readptr); - dev->readptr = dev->sh_mem + BANK2; - val = (readb(dev->readptr++) << 8) | val; - break; - default: - val = readw(dev->readptr); - dev->readptr += 2; - break; - }; - return val; -} - -static __inline__ void memcpy_frompcbit(struct pcbit_dev *dev, u_char *data, int len) -{ - int diff; - - diff = len - (BANKLEN - (dev->readptr - (dev->sh_mem + BANK2))); - if (diff > 0) - { - memcpy_fromio(data, dev->readptr, len - diff); - memcpy_fromio(data + (len - diff), dev->sh_mem + BANK2 , diff); - dev->readptr = dev->sh_mem + BANK2 + diff; - } - else - { - memcpy_fromio(data, dev->readptr, len); - dev->readptr += len; - if (diff == 0) - dev->readptr = dev->sh_mem + BANK2; - } -} - - -#endif |