diff options
Diffstat (limited to 'drivers/isdn/act2000')
| -rw-r--r-- | drivers/isdn/act2000/Kconfig | 9 | ||||
| -rw-r--r-- | drivers/isdn/act2000/Makefile | 9 | ||||
| -rw-r--r-- | drivers/isdn/act2000/act2000.h | 202 | ||||
| -rw-r--r-- | drivers/isdn/act2000/act2000_isa.c | 443 | ||||
| -rw-r--r-- | drivers/isdn/act2000/act2000_isa.h | 136 | ||||
| -rw-r--r-- | drivers/isdn/act2000/capi.c | 1180 | ||||
| -rw-r--r-- | drivers/isdn/act2000/capi.h | 365 | ||||
| -rw-r--r-- | drivers/isdn/act2000/module.c | 813 |
8 files changed, 3157 insertions, 0 deletions
diff --git a/drivers/isdn/act2000/Kconfig b/drivers/isdn/act2000/Kconfig new file mode 100644 index 000000000..fa2673fc6 --- /dev/null +++ b/drivers/isdn/act2000/Kconfig @@ -0,0 +1,9 @@ +config ISDN_DRV_ACT2000 + tristate "IBM Active 2000 support" + depends on ISA + help + Say Y here if you have an IBM Active 2000 ISDN card. In order to use + this card, additional firmware is necessary, which has to be loaded + into the card using a utility which is part of the latest + isdn4k-utils package. Please read the file + <file:Documentation/isdn/README.act2000> for more information. diff --git a/drivers/isdn/act2000/Makefile b/drivers/isdn/act2000/Makefile new file mode 100644 index 000000000..05e582fb5 --- /dev/null +++ b/drivers/isdn/act2000/Makefile @@ -0,0 +1,9 @@ +# Makefile for the act2000 ISDN device driver + +# Each configuration option enables a list of files. + +obj-$(CONFIG_ISDN_DRV_ACT2000) += act2000.o + +# Multipart objects. + +act2000-y := module.o capi.o act2000_isa.o diff --git a/drivers/isdn/act2000/act2000.h b/drivers/isdn/act2000/act2000.h new file mode 100644 index 000000000..321d437f5 --- /dev/null +++ b/drivers/isdn/act2000/act2000.h @@ -0,0 +1,202 @@ +/* $Id: act2000.h,v 1.8.6.3 2001/09/23 22:24:32 kai Exp $ + * + * ISDN lowlevel-module for the IBM ISDN-S0 Active 2000. + * + * Author Fritz Elfert + * Copyright by Fritz Elfert <fritz@isdn4linux.de> + * + * This software may be used and distributed according to the terms + * of the GNU General Public License, incorporated herein by reference. + * + * Thanks to Friedemann Baitinger and IBM Germany + * + */ + +#ifndef act2000_h +#define act2000_h + +#include <linux/compiler.h> + +#define ACT2000_IOCTL_SETPORT 1 +#define ACT2000_IOCTL_GETPORT 2 +#define ACT2000_IOCTL_SETIRQ 3 +#define ACT2000_IOCTL_GETIRQ 4 +#define ACT2000_IOCTL_SETBUS 5 +#define ACT2000_IOCTL_GETBUS 6 +#define ACT2000_IOCTL_SETPROTO 7 +#define ACT2000_IOCTL_GETPROTO 8 +#define ACT2000_IOCTL_SETMSN 9 +#define ACT2000_IOCTL_GETMSN 10 +#define ACT2000_IOCTL_LOADBOOT 11 +#define ACT2000_IOCTL_ADDCARD 12 + +#define ACT2000_IOCTL_TEST 98 +#define ACT2000_IOCTL_DEBUGVAR 99 + +#define ACT2000_BUS_ISA 1 +#define ACT2000_BUS_MCA 2 +#define ACT2000_BUS_PCMCIA 3 + +/* Struct for adding new cards */ +typedef struct act2000_cdef { + int bus; + int port; + int irq; + char id[10]; +} act2000_cdef; + +/* Struct for downloading firmware */ +typedef struct act2000_ddef { + int length; /* Length of code */ + char __user *buffer; /* Ptr. to code */ +} act2000_ddef; + +typedef struct act2000_fwid { + char isdn[4]; + char revlen[2]; + char revision[504]; +} act2000_fwid; + +#if defined(__KERNEL__) || defined(__DEBUGVAR__) + +#ifdef __KERNEL__ +/* Kernel includes */ + +#include <linux/sched.h> +#include <linux/string.h> +#include <linux/workqueue.h> +#include <linux/interrupt.h> +#include <linux/skbuff.h> +#include <linux/errno.h> +#include <linux/fs.h> +#include <linux/major.h> +#include <asm/io.h> +#include <linux/kernel.h> +#include <linux/signal.h> +#include <linux/slab.h> +#include <linux/mm.h> +#include <linux/mman.h> +#include <linux/ioport.h> +#include <linux/timer.h> +#include <linux/wait.h> +#include <linux/delay.h> +#include <linux/ctype.h> +#include <linux/isdnif.h> + +#endif /* __KERNEL__ */ + +#define ACT2000_PORTLEN 8 + +#define ACT2000_FLAGS_RUNNING 1 /* Cards driver activated */ +#define ACT2000_FLAGS_PVALID 2 /* Cards port is valid */ +#define ACT2000_FLAGS_IVALID 4 /* Cards irq is valid */ +#define ACT2000_FLAGS_LOADED 8 /* Firmware loaded */ + +#define ACT2000_BCH 2 /* # of channels per card */ + +/* D-Channel states */ +#define ACT2000_STATE_NULL 0 +#define ACT2000_STATE_ICALL 1 +#define ACT2000_STATE_OCALL 2 +#define ACT2000_STATE_IWAIT 3 +#define ACT2000_STATE_OWAIT 4 +#define ACT2000_STATE_IBWAIT 5 +#define ACT2000_STATE_OBWAIT 6 +#define ACT2000_STATE_BWAIT 7 +#define ACT2000_STATE_BHWAIT 8 +#define ACT2000_STATE_BHWAIT2 9 +#define ACT2000_STATE_DHWAIT 10 +#define ACT2000_STATE_DHWAIT2 11 +#define ACT2000_STATE_BSETUP 12 +#define ACT2000_STATE_ACTIVE 13 + +#define ACT2000_MAX_QUEUED 8000 /* 2 * maxbuff */ + +#define ACT2000_LOCK_TX 0 +#define ACT2000_LOCK_RX 1 + +typedef struct act2000_chan { + unsigned short callref; /* Call Reference */ + unsigned short fsm_state; /* Current D-Channel state */ + unsigned short eazmask; /* EAZ-Mask for this Channel */ + short queued; /* User-Data Bytes in TX queue */ + unsigned short plci; + unsigned short ncci; + unsigned char l2prot; /* Layer 2 protocol */ + unsigned char l3prot; /* Layer 3 protocol */ +} act2000_chan; + +typedef struct msn_entry { + char eaz; + char msn[16]; + struct msn_entry *next; +} msn_entry; + +typedef struct irq_data_isa { + __u8 *rcvptr; + __u16 rcvidx; + __u16 rcvlen; + struct sk_buff *rcvskb; + __u8 rcvignore; + __u8 rcvhdr[8]; +} irq_data_isa; + +typedef union act2000_irq_data { + irq_data_isa isa; +} act2000_irq_data; + +/* + * Per card driver data + */ +typedef struct act2000_card { + unsigned short port; /* Base-port-address */ + unsigned short irq; /* Interrupt */ + u_char ptype; /* Protocol type (1TR6 or Euro) */ + u_char bus; /* Cardtype (ISA, MCA, PCMCIA) */ + struct act2000_card *next; /* Pointer to next device struct */ + spinlock_t lock; /* protect critical operations */ + int myid; /* Driver-Nr. assigned by linklevel */ + unsigned long flags; /* Statusflags */ + unsigned long ilock; /* Semaphores for IRQ-Routines */ + struct sk_buff_head rcvq; /* Receive-Message queue */ + struct sk_buff_head sndq; /* Send-Message queue */ + struct sk_buff_head ackq; /* Data-Ack-Message queue */ + u_char *ack_msg; /* Ptr to User Data in User skb */ + __u16 need_b3ack; /* Flag: Need ACK for current skb */ + struct sk_buff *sbuf; /* skb which is currently sent */ + struct timer_list ptimer; /* Poll timer */ + struct work_struct snd_tq; /* Task struct for xmit bh */ + struct work_struct rcv_tq; /* Task struct for rcv bh */ + struct work_struct poll_tq; /* Task struct for polled rcv bh */ + msn_entry *msn_list; + unsigned short msgnum; /* Message number for sending */ + spinlock_t mnlock; /* lock for msgnum */ + act2000_chan bch[ACT2000_BCH]; /* B-Channel status/control */ + char status_buf[256]; /* Buffer for status messages */ + char *status_buf_read; + char *status_buf_write; + char *status_buf_end; + act2000_irq_data idat; /* Data used for IRQ handler */ + isdn_if interface; /* Interface to upper layer */ + char regname[35]; /* Name used for request_region */ +} act2000_card; + +static inline void act2000_schedule_tx(act2000_card *card) +{ + schedule_work(&card->snd_tq); +} + +static inline void act2000_schedule_rx(act2000_card *card) +{ + schedule_work(&card->rcv_tq); +} + +static inline void act2000_schedule_poll(act2000_card *card) +{ + schedule_work(&card->poll_tq); +} + +extern char *act2000_find_eaz(act2000_card *, char); + +#endif /* defined(__KERNEL__) || defined(__DEBUGVAR__) */ +#endif /* act2000_h */ diff --git a/drivers/isdn/act2000/act2000_isa.c b/drivers/isdn/act2000/act2000_isa.c new file mode 100644 index 000000000..b5fad29a9 --- /dev/null +++ b/drivers/isdn/act2000/act2000_isa.c @@ -0,0 +1,443 @@ +/* $Id: act2000_isa.c,v 1.11.6.3 2001/09/23 22:24:32 kai Exp $ + * + * ISDN lowlevel-module for the IBM ISDN-S0 Active 2000 (ISA-Version). + * + * Author Fritz Elfert + * Copyright by Fritz Elfert <fritz@isdn4linux.de> + * + * This software may be used and distributed according to the terms + * of the GNU General Public License, incorporated herein by reference. + * + * Thanks to Friedemann Baitinger and IBM Germany + * + */ + +#include "act2000.h" +#include "act2000_isa.h" +#include "capi.h" + +/* + * Reset Controller, then try to read the Card's signature. + + Return: + * 1 = Signature found. + * 0 = Signature not found. + */ +static int +act2000_isa_reset(unsigned short portbase) +{ + unsigned char reg; + int i; + int found; + int serial = 0; + + found = 0; + if ((reg = inb(portbase + ISA_COR)) != 0xff) { + outb(reg | ISA_COR_RESET, portbase + ISA_COR); + mdelay(10); + outb(reg, portbase + ISA_COR); + mdelay(10); + + for (i = 0; i < 16; i++) { + if (inb(portbase + ISA_ISR) & ISA_ISR_SERIAL) + serial |= 0x10000; + serial >>= 1; + } + if (serial == ISA_SER_ID) + found++; + } + return found; +} + +int +act2000_isa_detect(unsigned short portbase) +{ + int ret = 0; + + if (request_region(portbase, ACT2000_PORTLEN, "act2000isa")) { + ret = act2000_isa_reset(portbase); + release_region(portbase, ISA_REGION); + } + return ret; +} + +static irqreturn_t +act2000_isa_interrupt(int dummy, void *dev_id) +{ + act2000_card *card = dev_id; + u_char istatus; + + istatus = (inb(ISA_PORT_ISR) & 0x07); + if (istatus & ISA_ISR_OUT) { + /* RX fifo has data */ + istatus &= ISA_ISR_OUT_MASK; + outb(0, ISA_PORT_SIS); + act2000_isa_receive(card); + outb(ISA_SIS_INT, ISA_PORT_SIS); + } + if (istatus & ISA_ISR_ERR) { + /* Error Interrupt */ + istatus &= ISA_ISR_ERR_MASK; + printk(KERN_WARNING "act2000: errIRQ\n"); + } + if (istatus) + printk(KERN_DEBUG "act2000: ?IRQ %d %02x\n", card->irq, istatus); + return IRQ_HANDLED; +} + +static void +act2000_isa_select_irq(act2000_card *card) +{ + unsigned char reg; + + reg = (inb(ISA_PORT_COR) & ~ISA_COR_IRQOFF) | ISA_COR_PERR; + switch (card->irq) { + case 3: + reg = ISA_COR_IRQ03; + break; + case 5: + reg = ISA_COR_IRQ05; + break; + case 7: + reg = ISA_COR_IRQ07; + break; + case 10: + reg = ISA_COR_IRQ10; + break; + case 11: + reg = ISA_COR_IRQ11; + break; + case 12: + reg = ISA_COR_IRQ12; + break; + case 15: + reg = ISA_COR_IRQ15; + break; + } + outb(reg, ISA_PORT_COR); +} + +static void +act2000_isa_enable_irq(act2000_card *card) +{ + act2000_isa_select_irq(card); + /* Enable READ irq */ + outb(ISA_SIS_INT, ISA_PORT_SIS); +} + +/* + * Install interrupt handler, enable irq on card. + * If irq is -1, choose next free irq, else irq is given explicitly. + */ +int +act2000_isa_config_irq(act2000_card *card, short irq) +{ + int old_irq; + + if (card->flags & ACT2000_FLAGS_IVALID) { + free_irq(card->irq, card); + } + card->flags &= ~ACT2000_FLAGS_IVALID; + outb(ISA_COR_IRQOFF, ISA_PORT_COR); + if (!irq) + return 0; + + old_irq = card->irq; + card->irq = irq; + if (request_irq(irq, &act2000_isa_interrupt, 0, card->regname, card)) { + card->irq = old_irq; + card->flags |= ACT2000_FLAGS_IVALID; + printk(KERN_WARNING + "act2000: Could not request irq %d\n", irq); + return -EBUSY; + } else { + act2000_isa_select_irq(card); + /* Disable READ and WRITE irq */ + outb(0, ISA_PORT_SIS); + outb(0, ISA_PORT_SOS); + } + return 0; +} + +int +act2000_isa_config_port(act2000_card *card, unsigned short portbase) +{ + if (card->flags & ACT2000_FLAGS_PVALID) { + release_region(card->port, ISA_REGION); + card->flags &= ~ACT2000_FLAGS_PVALID; + } + if (request_region(portbase, ACT2000_PORTLEN, card->regname) == NULL) + return -EBUSY; + else { + card->port = portbase; + card->flags |= ACT2000_FLAGS_PVALID; + return 0; + } +} + +/* + * Release ressources, used by an adaptor. + */ +void +act2000_isa_release(act2000_card *card) +{ + unsigned long flags; + + spin_lock_irqsave(&card->lock, flags); + if (card->flags & ACT2000_FLAGS_IVALID) + free_irq(card->irq, card); + + card->flags &= ~ACT2000_FLAGS_IVALID; + if (card->flags & ACT2000_FLAGS_PVALID) + release_region(card->port, ISA_REGION); + card->flags &= ~ACT2000_FLAGS_PVALID; + spin_unlock_irqrestore(&card->lock, flags); +} + +static int +act2000_isa_writeb(act2000_card *card, u_char data) +{ + u_char timeout = 40; + + while (timeout) { + if (inb(ISA_PORT_SOS) & ISA_SOS_READY) { + outb(data, ISA_PORT_SDO); + return 0; + } else { + timeout--; + udelay(10); + } + } + return 1; +} + +static int +act2000_isa_readb(act2000_card *card, u_char *data) +{ + u_char timeout = 40; + + while (timeout) { + if (inb(ISA_PORT_SIS) & ISA_SIS_READY) { + *data = inb(ISA_PORT_SDI); + return 0; + } else { + timeout--; + udelay(10); + } + } + return 1; +} + +void +act2000_isa_receive(act2000_card *card) +{ + u_char c; + + if (test_and_set_bit(ACT2000_LOCK_RX, (void *) &card->ilock) != 0) + return; + while (!act2000_isa_readb(card, &c)) { + if (card->idat.isa.rcvidx < 8) { + card->idat.isa.rcvhdr[card->idat.isa.rcvidx++] = c; + if (card->idat.isa.rcvidx == 8) { + int valid = actcapi_chkhdr(card, (actcapi_msghdr *)&card->idat.isa.rcvhdr); + + if (valid) { + card->idat.isa.rcvlen = ((actcapi_msghdr *)&card->idat.isa.rcvhdr)->len; + card->idat.isa.rcvskb = dev_alloc_skb(card->idat.isa.rcvlen); + if (card->idat.isa.rcvskb == NULL) { + card->idat.isa.rcvignore = 1; + printk(KERN_WARNING + "act2000_isa_receive: no memory\n"); + test_and_clear_bit(ACT2000_LOCK_RX, (void *) &card->ilock); + return; + } + memcpy(skb_put(card->idat.isa.rcvskb, 8), card->idat.isa.rcvhdr, 8); + card->idat.isa.rcvptr = skb_put(card->idat.isa.rcvskb, card->idat.isa.rcvlen - 8); + } else { + card->idat.isa.rcvidx = 0; + printk(KERN_WARNING + "act2000_isa_receive: Invalid CAPI msg\n"); + { + int i; __u8 *p; __u8 *t; __u8 tmp[30]; + for (i = 0, p = (__u8 *)&card->idat.isa.rcvhdr, t = tmp; i < 8; i++) + t += sprintf(t, "%02x ", *(p++)); + printk(KERN_WARNING "act2000_isa_receive: %s\n", tmp); + } + } + } + } else { + if (!card->idat.isa.rcvignore) + *card->idat.isa.rcvptr++ = c; + if (++card->idat.isa.rcvidx >= card->idat.isa.rcvlen) { + if (!card->idat.isa.rcvignore) { + skb_queue_tail(&card->rcvq, card->idat.isa.rcvskb); + act2000_schedule_rx(card); + } + card->idat.isa.rcvidx = 0; + card->idat.isa.rcvlen = 8; + card->idat.isa.rcvignore = 0; + card->idat.isa.rcvskb = NULL; + card->idat.isa.rcvptr = card->idat.isa.rcvhdr; + } + } + } + if (!(card->flags & ACT2000_FLAGS_IVALID)) { + /* In polling mode, schedule myself */ + if ((card->idat.isa.rcvidx) && + (card->idat.isa.rcvignore || + (card->idat.isa.rcvidx < card->idat.isa.rcvlen))) + act2000_schedule_poll(card); + } + test_and_clear_bit(ACT2000_LOCK_RX, (void *) &card->ilock); +} + +void +act2000_isa_send(act2000_card *card) +{ + unsigned long flags; + struct sk_buff *skb; + actcapi_msg *msg; + int l; + + if (test_and_set_bit(ACT2000_LOCK_TX, (void *) &card->ilock) != 0) + return; + while (1) { + spin_lock_irqsave(&card->lock, flags); + if (!(card->sbuf)) { + if ((card->sbuf = skb_dequeue(&card->sndq))) { + card->ack_msg = card->sbuf->data; + msg = (actcapi_msg *)card->sbuf->data; + if ((msg->hdr.cmd.cmd == 0x86) && + (msg->hdr.cmd.subcmd == 0)) { + /* Save flags in message */ + card->need_b3ack = msg->msg.data_b3_req.flags; + msg->msg.data_b3_req.flags = 0; + } + } + } + spin_unlock_irqrestore(&card->lock, flags); + if (!(card->sbuf)) { + /* No more data to send */ + test_and_clear_bit(ACT2000_LOCK_TX, (void *) &card->ilock); + return; + } + skb = card->sbuf; + l = 0; + while (skb->len) { + if (act2000_isa_writeb(card, *(skb->data))) { + /* Fifo is full, but more data to send */ + test_and_clear_bit(ACT2000_LOCK_TX, (void *) &card->ilock); + /* Schedule myself */ + act2000_schedule_tx(card); + return; + } + skb_pull(skb, 1); + l++; + } + msg = (actcapi_msg *)card->ack_msg; + if ((msg->hdr.cmd.cmd == 0x86) && + (msg->hdr.cmd.subcmd == 0)) { + /* + * If it's user data, reset data-ptr + * and put skb into ackq. + */ + skb->data = card->ack_msg; + /* Restore flags in message */ + msg->msg.data_b3_req.flags = card->need_b3ack; + skb_queue_tail(&card->ackq, skb); + } else + dev_kfree_skb(skb); + card->sbuf = NULL; + } +} + +/* + * Get firmware ID, check for 'ISDN' signature. + */ +static int +act2000_isa_getid(act2000_card *card) +{ + + act2000_fwid fid; + u_char *p = (u_char *)&fid; + int count = 0; + + while (1) { + if (count > 510) + return -EPROTO; + if (act2000_isa_readb(card, p++)) + break; + count++; + } + if (count <= 20) { + printk(KERN_WARNING "act2000: No Firmware-ID!\n"); + return -ETIME; + } + *p = '\0'; + fid.revlen[0] = '\0'; + if (strcmp(fid.isdn, "ISDN")) { + printk(KERN_WARNING "act2000: Wrong Firmware-ID!\n"); + return -EPROTO; + } + if ((p = strchr(fid.revision, '\n'))) + *p = '\0'; + printk(KERN_INFO "act2000: Firmware-ID: %s\n", fid.revision); + if (card->flags & ACT2000_FLAGS_IVALID) { + printk(KERN_DEBUG "Enabling Interrupts ...\n"); + act2000_isa_enable_irq(card); + } + return 0; +} + +/* + * Download microcode into card, check Firmware signature. + */ +int +act2000_isa_download(act2000_card *card, act2000_ddef __user *cb) +{ + unsigned int length; + int l; + int c; + long timeout; + u_char *b; + u_char __user *p; + u_char *buf; + act2000_ddef cblock; + + if (!act2000_isa_reset(card->port)) + return -ENXIO; + msleep_interruptible(500); + if (copy_from_user(&cblock, cb, sizeof(cblock))) + return -EFAULT; + length = cblock.length; + p = cblock.buffer; + if (!access_ok(VERIFY_READ, p, length)) + return -EFAULT; + buf = kmalloc(1024, GFP_KERNEL); + if (!buf) + return -ENOMEM; + timeout = 0; + while (length) { + l = (length > 1024) ? 1024 : length; + c = 0; + b = buf; + if (copy_from_user(buf, p, l)) { + kfree(buf); + return -EFAULT; + } + while (c < l) { + if (act2000_isa_writeb(card, *b++)) { + printk(KERN_WARNING + "act2000: loader timed out" + " len=%d c=%d\n", length, c); + kfree(buf); + return -ETIME; + } + c++; + } + length -= l; + p += l; + } + kfree(buf); + msleep_interruptible(500); + return (act2000_isa_getid(card)); +} diff --git a/drivers/isdn/act2000/act2000_isa.h b/drivers/isdn/act2000/act2000_isa.h new file mode 100644 index 000000000..1a728984e --- /dev/null +++ b/drivers/isdn/act2000/act2000_isa.h @@ -0,0 +1,136 @@ +/* $Id: act2000_isa.h,v 1.4.6.1 2001/09/23 22:24:32 kai Exp $ + * + * ISDN lowlevel-module for the IBM ISDN-S0 Active 2000 (ISA-Version). + * + * Author Fritz Elfert + * Copyright by Fritz Elfert <fritz@isdn4linux.de> + * + * This software may be used and distributed according to the terms + * of the GNU General Public License, incorporated herein by reference. + * + * Thanks to Friedemann Baitinger and IBM Germany + * + */ + +#ifndef act2000_isa_h +#define act2000_isa_h + +#define ISA_POLL_LOOP 40 /* Try to read-write before give up */ + +typedef enum { + INT_NO_CHANGE = 0, /* Do not change the Mask */ + INT_ON = 1, /* Set to Enable */ + INT_OFF = 2, /* Set to Disable */ +} ISA_INT_T; + +/**************************************************************************/ +/* Configuration Register COR (RW) */ +/**************************************************************************/ +/* 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 */ +/* Soft Res| IRQM | IRQ Select | N/A | WAIT |Proc err */ +/**************************************************************************/ +#define ISA_COR 0 /* Offset for ISA config register */ +#define ISA_COR_PERR 0x01 /* Processor Error Enabled */ +#define ISA_COR_WS 0x02 /* Insert Wait State if 1 */ +#define ISA_COR_IRQOFF 0x38 /* No Interrupt */ +#define ISA_COR_IRQ07 0x30 /* IRQ 7 Enable */ +#define ISA_COR_IRQ05 0x28 /* IRQ 5 Enable */ +#define ISA_COR_IRQ03 0x20 /* IRQ 3 Enable */ +#define ISA_COR_IRQ10 0x18 /* IRQ 10 Enable */ +#define ISA_COR_IRQ11 0x10 /* IRQ 11 Enable */ +#define ISA_COR_IRQ12 0x08 /* IRQ 12 Enable */ +#define ISA_COR_IRQ15 0x00 /* IRQ 15 Enable */ +#define ISA_COR_IRQPULSE 0x40 /* 0 = Level 1 = Pulse Interrupt */ +#define ISA_COR_RESET 0x80 /* Soft Reset for Transputer */ + +/**************************************************************************/ +/* Interrupt Source Register ISR (RO) */ +/**************************************************************************/ +/* 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 */ +/* N/A | N/A | N/A |Err sig |Ser ID |IN Intr |Out Intr| Error */ +/**************************************************************************/ +#define ISA_ISR 1 /* Offset for Interrupt Register */ +#define ISA_ISR_ERR 0x01 /* Error Interrupt */ +#define ISA_ISR_OUT 0x02 /* Output Interrupt */ +#define ISA_ISR_INP 0x04 /* Input Interrupt */ +#define ISA_ISR_SERIAL 0x08 /* Read out Serial ID after Reset */ +#define ISA_ISR_ERRSIG 0x10 /* Error Signal Input */ +#define ISA_ISR_ERR_MASK 0xfe /* Mask Error Interrupt */ +#define ISA_ISR_OUT_MASK 0xfd /* Mask Output Interrupt */ +#define ISA_ISR_INP_MASK 0xfb /* Mask Input Interrupt */ + +/* Signature delivered after Reset at ISA_ISR_SERIAL (LSB first) */ +#define ISA_SER_ID 0x0201 /* ID for ISA Card */ + +/**************************************************************************/ +/* EEPROM Register EPR (RW) */ +/**************************************************************************/ +/* 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 */ +/* N/A | N/A | N/A |ROM Hold| ROM CS |ROM CLK | ROM IN |ROM Out */ +/**************************************************************************/ +#define ISA_EPR 2 /* Offset for this Register */ +#define ISA_EPR_OUT 0x01 /* Rome Register Out (RO) */ +#define ISA_EPR_IN 0x02 /* Rom Register In (WR) */ +#define ISA_EPR_CLK 0x04 /* Rom Clock (WR) */ +#define ISA_EPR_CS 0x08 /* Rom Cip Select (WR) */ +#define ISA_EPR_HOLD 0x10 /* Rom Hold Signal (WR) */ + +/**************************************************************************/ +/* EEPROM enable Register EER (unused) */ +/**************************************************************************/ +#define ISA_EER 3 /* Offset for this Register */ + +/**************************************************************************/ +/* SLC Data Input SDI (RO) */ +/**************************************************************************/ +#define ISA_SDI 4 /* Offset for this Register */ + +/**************************************************************************/ +/* SLC Data Output SDO (WO) */ +/**************************************************************************/ +#define ISA_SDO 5 /* Offset for this Register */ + +/**************************************************************************/ +/* IMS C011 Mode 2 Input Status Register for INMOS CPU SIS (RW) */ +/**************************************************************************/ +/* 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 */ +/* N/A | N/A | N/A | N/A | N/A | N/A |Int Ena |Data Pre */ +/**************************************************************************/ +#define ISA_SIS 6 /* Offset for this Register */ +#define ISA_SIS_READY 0x01 /* If 1 : data is available */ +#define ISA_SIS_INT 0x02 /* Enable Interrupt for READ */ + +/**************************************************************************/ +/* IMS C011 Mode 2 Output Status Register from INMOS CPU SOS (RW) */ +/**************************************************************************/ +/* 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 */ +/* N/A | N/A | N/A | N/A | N/A | N/A |Int Ena |Out Rdy */ +/**************************************************************************/ +#define ISA_SOS 7 /* Offset for this Register */ +#define ISA_SOS_READY 0x01 /* If 1 : we can write Data */ +#define ISA_SOS_INT 0x02 /* Enable Interrupt for WRITE */ + +#define ISA_REGION 8 /* Number of Registers */ + + +/* Macros for accessing ports */ +#define ISA_PORT_COR (card->port + ISA_COR) +#define ISA_PORT_ISR (card->port + ISA_ISR) +#define ISA_PORT_EPR (card->port + ISA_EPR) +#define ISA_PORT_EER (card->port + ISA_EER) +#define ISA_PORT_SDI (card->port + ISA_SDI) +#define ISA_PORT_SDO (card->port + ISA_SDO) +#define ISA_PORT_SIS (card->port + ISA_SIS) +#define ISA_PORT_SOS (card->port + ISA_SOS) + +/* Prototypes */ + +extern int act2000_isa_detect(unsigned short portbase); +extern int act2000_isa_config_irq(act2000_card *card, short irq); +extern int act2000_isa_config_port(act2000_card *card, unsigned short portbase); +extern int act2000_isa_download(act2000_card *card, act2000_ddef __user *cb); +extern void act2000_isa_release(act2000_card *card); +extern void act2000_isa_receive(act2000_card *card); +extern void act2000_isa_send(act2000_card *card); + +#endif /* act2000_isa_h */ diff --git a/drivers/isdn/act2000/capi.c b/drivers/isdn/act2000/capi.c new file mode 100644 index 000000000..3f66ca20b --- /dev/null +++ b/drivers/isdn/act2000/capi.c @@ -0,0 +1,1180 @@ +/* $Id: capi.c,v 1.9.6.2 2001/09/23 22:24:32 kai Exp $ + * + * ISDN lowlevel-module for the IBM ISDN-S0 Active 2000. + * CAPI encoder/decoder + * + * Author Fritz Elfert + * Copyright by Fritz Elfert <fritz@isdn4linux.de> + * + * This software may be used and distributed according to the terms + * of the GNU General Public License, incorporated herein by reference. + * + * Thanks to Friedemann Baitinger and IBM Germany + * + */ + +#include "act2000.h" +#include "capi.h" + +static actcapi_msgdsc valid_msg[] = { + {{ 0x86, 0x02}, "DATA_B3_IND"}, /* DATA_B3_IND/CONF must be first because of speed!!! */ + {{ 0x86, 0x01}, "DATA_B3_CONF"}, + {{ 0x02, 0x01}, "CONNECT_CONF"}, + {{ 0x02, 0x02}, "CONNECT_IND"}, + {{ 0x09, 0x01}, "CONNECT_INFO_CONF"}, + {{ 0x03, 0x02}, "CONNECT_ACTIVE_IND"}, + {{ 0x04, 0x01}, "DISCONNECT_CONF"}, + {{ 0x04, 0x02}, "DISCONNECT_IND"}, + {{ 0x05, 0x01}, "LISTEN_CONF"}, + {{ 0x06, 0x01}, "GET_PARAMS_CONF"}, + {{ 0x07, 0x01}, "INFO_CONF"}, + {{ 0x07, 0x02}, "INFO_IND"}, + {{ 0x08, 0x01}, "DATA_CONF"}, + {{ 0x08, 0x02}, "DATA_IND"}, + {{ 0x40, 0x01}, "SELECT_B2_PROTOCOL_CONF"}, + {{ 0x80, 0x01}, "SELECT_B3_PROTOCOL_CONF"}, + {{ 0x81, 0x01}, "LISTEN_B3_CONF"}, + {{ 0x82, 0x01}, "CONNECT_B3_CONF"}, + {{ 0x82, 0x02}, "CONNECT_B3_IND"}, + {{ 0x83, 0x02}, "CONNECT_B3_ACTIVE_IND"}, + {{ 0x84, 0x01}, "DISCONNECT_B3_CONF"}, + {{ 0x84, 0x02}, "DISCONNECT_B3_IND"}, + {{ 0x85, 0x01}, "GET_B3_PARAMS_CONF"}, + {{ 0x01, 0x01}, "RESET_B3_CONF"}, + {{ 0x01, 0x02}, "RESET_B3_IND"}, + /* {{ 0x87, 0x02, "HANDSET_IND"}, not implemented */ + {{ 0xff, 0x01}, "MANUFACTURER_CONF"}, + {{ 0xff, 0x02}, "MANUFACTURER_IND"}, +#ifdef DEBUG_MSG + /* Requests */ + {{ 0x01, 0x00}, "RESET_B3_REQ"}, + {{ 0x02, 0x00}, "CONNECT_REQ"}, + {{ 0x04, 0x00}, "DISCONNECT_REQ"}, + {{ 0x05, 0x00}, "LISTEN_REQ"}, + {{ 0x06, 0x00}, "GET_PARAMS_REQ"}, + {{ 0x07, 0x00}, "INFO_REQ"}, + {{ 0x08, 0x00}, "DATA_REQ"}, + {{ 0x09, 0x00}, "CONNECT_INFO_REQ"}, + {{ 0x40, 0x00}, "SELECT_B2_PROTOCOL_REQ"}, + {{ 0x80, 0x00}, "SELECT_B3_PROTOCOL_REQ"}, + {{ 0x81, 0x00}, "LISTEN_B3_REQ"}, + {{ 0x82, 0x00}, "CONNECT_B3_REQ"}, + {{ 0x84, 0x00}, "DISCONNECT_B3_REQ"}, + {{ 0x85, 0x00}, "GET_B3_PARAMS_REQ"}, + {{ 0x86, 0x00}, "DATA_B3_REQ"}, + {{ 0xff, 0x00}, "MANUFACTURER_REQ"}, + /* Responses */ + {{ 0x01, 0x03}, "RESET_B3_RESP"}, + {{ 0x02, 0x03}, "CONNECT_RESP"}, + {{ 0x03, 0x03}, "CONNECT_ACTIVE_RESP"}, + {{ 0x04, 0x03}, "DISCONNECT_RESP"}, + {{ 0x07, 0x03}, "INFO_RESP"}, + {{ 0x08, 0x03}, "DATA_RESP"}, + {{ 0x82, 0x03}, "CONNECT_B3_RESP"}, + {{ 0x83, 0x03}, "CONNECT_B3_ACTIVE_RESP"}, + {{ 0x84, 0x03}, "DISCONNECT_B3_RESP"}, + {{ 0x86, 0x03}, "DATA_B3_RESP"}, + {{ 0xff, 0x03}, "MANUFACTURER_RESP"}, +#endif + {{ 0x00, 0x00}, NULL}, +}; +#define num_valid_imsg 27 /* MANUFACTURER_IND */ + +/* + * Check for a valid incoming CAPI message. + * Return: + * 0 = Invalid message + * 1 = Valid message, no B-Channel-data + * 2 = Valid message, B-Channel-data + */ +int +actcapi_chkhdr(act2000_card *card, actcapi_msghdr *hdr) +{ + int i; + + if (hdr->applicationID != 1) + return 0; + if (hdr->len < 9) + return 0; + for (i = 0; i < num_valid_imsg; i++) + if ((hdr->cmd.cmd == valid_msg[i].cmd.cmd) && + (hdr->cmd.subcmd == valid_msg[i].cmd.subcmd)) { + return (i ? 1 : 2); + } + return 0; +} + +#define ACTCAPI_MKHDR(l, c, s) { \ + skb = alloc_skb(l + 8, GFP_ATOMIC); \ + if (skb) { \ + m = (actcapi_msg *)skb_put(skb, l + 8); \ + m->hdr.len = l + 8; \ + m->hdr.applicationID = 1; \ + m->hdr.cmd.cmd = c; \ + m->hdr.cmd.subcmd = s; \ + m->hdr.msgnum = actcapi_nextsmsg(card); \ + } else m = NULL; \ + } + +#define ACTCAPI_CHKSKB if (!skb) { \ + printk(KERN_WARNING "actcapi: alloc_skb failed\n"); \ + return; \ + } + +#define ACTCAPI_QUEUE_TX { \ + actcapi_debug_msg(skb, 1); \ + skb_queue_tail(&card->sndq, skb); \ + act2000_schedule_tx(card); \ + } + +int +actcapi_listen_req(act2000_card *card) +{ + __u16 eazmask = 0; + int i; + actcapi_msg *m; + struct sk_buff *skb; + + for (i = 0; i < ACT2000_BCH; i++) + eazmask |= card->bch[i].eazmask; + ACTCAPI_MKHDR(9, 0x05, 0x00); + if (!skb) { + printk(KERN_WARNING "actcapi: alloc_skb failed\n"); + return -ENOMEM; + } + m->msg.listen_req.controller = 0; + m->msg.listen_req.infomask = 0x3f; /* All information */ + m->msg.listen_req.eazmask = eazmask; + m->msg.listen_req.simask = (eazmask) ? 0x86 : 0; /* All SI's */ + ACTCAPI_QUEUE_TX; + return 0; +} + +int +actcapi_connect_req(act2000_card *card, act2000_chan *chan, char *phone, + char eaz, int si1, int si2) +{ + actcapi_msg *m; + struct sk_buff *skb; + + ACTCAPI_MKHDR((11 + strlen(phone)), 0x02, 0x00); + if (!skb) { + printk(KERN_WARNING "actcapi: alloc_skb failed\n"); + chan->fsm_state = ACT2000_STATE_NULL; + return -ENOMEM; + } + m->msg.connect_req.controller = 0; + m->msg.connect_req.bchan = 0x83; + m->msg.connect_req.infomask = 0x3f; + m->msg.connect_req.si1 = si1; + m->msg.connect_req.si2 = si2; + m->msg.connect_req.eaz = eaz ? eaz : '0'; + m->msg.connect_req.addr.len = strlen(phone) + 1; + m->msg.connect_req.addr.tnp = 0x81; + memcpy(m->msg.connect_req.addr.num, phone, strlen(phone)); + chan->callref = m->hdr.msgnum; + ACTCAPI_QUEUE_TX; + return 0; +} + +static void +actcapi_connect_b3_req(act2000_card *card, act2000_chan *chan) +{ + actcapi_msg *m; + struct sk_buff *skb; + + ACTCAPI_MKHDR(17, 0x82, 0x00); + ACTCAPI_CHKSKB; + m->msg.connect_b3_req.plci = chan->plci; + memset(&m->msg.connect_b3_req.ncpi, 0, + sizeof(m->msg.connect_b3_req.ncpi)); + m->msg.connect_b3_req.ncpi.len = 13; + m->msg.connect_b3_req.ncpi.modulo = 8; + ACTCAPI_QUEUE_TX; +} + +/* + * Set net type (1TR6) or (EDSS1) + */ +int +actcapi_manufacturer_req_net(act2000_card *card) +{ + actcapi_msg *m; + struct sk_buff *skb; + + ACTCAPI_MKHDR(5, 0xff, 0x00); + if (!skb) { + printk(KERN_WARNING "actcapi: alloc_skb failed\n"); + return -ENOMEM; + } + m->msg.manufacturer_req_net.manuf_msg = 0x11; + m->msg.manufacturer_req_net.controller = 1; + m->msg.manufacturer_req_net.nettype = (card->ptype == ISDN_PTYPE_EURO) ? 1 : 0; + ACTCAPI_QUEUE_TX; + printk(KERN_INFO "act2000 %s: D-channel protocol now %s\n", + card->interface.id, (card->ptype == ISDN_PTYPE_EURO) ? "euro" : "1tr6"); + card->interface.features &= + ~(ISDN_FEATURE_P_UNKNOWN | ISDN_FEATURE_P_EURO | ISDN_FEATURE_P_1TR6); + card->interface.features |= + ((card->ptype == ISDN_PTYPE_EURO) ? ISDN_FEATURE_P_EURO : ISDN_FEATURE_P_1TR6); + return 0; +} + +/* + * Switch V.42 on or off + */ +#if 0 +int +actcapi_manufacturer_req_v42(act2000_card *card, ulong arg) +{ + actcapi_msg *m; + struct sk_buff *skb; + + ACTCAPI_MKHDR(8, 0xff, 0x00); + if (!skb) { + + printk(KERN_WARNING "actcapi: alloc_skb failed\n"); + return -ENOMEM; + } + m->msg.manufacturer_req_v42.manuf_msg = 0x10; + m->msg.manufacturer_req_v42.controller = 0; + m->msg.manufacturer_req_v42.v42control = (arg ? 1 : 0); + ACTCAPI_QUEUE_TX; + return 0; +} +#endif /* 0 */ + +/* + * Set error-handler + */ +int +actcapi_manufacturer_req_errh(act2000_card *card) +{ + actcapi_msg *m; + struct sk_buff *skb; + + ACTCAPI_MKHDR(4, 0xff, 0x00); + if (!skb) { + + printk(KERN_WARNING "actcapi: alloc_skb failed\n"); + return -ENOMEM; + } + m->msg.manufacturer_req_err.manuf_msg = 0x03; + m->msg.manufacturer_req_err.controller = 0; + ACTCAPI_QUEUE_TX; + return 0; +} + +/* + * Set MSN-Mapping. + */ +int +actcapi_manufacturer_req_msn(act2000_card *card) +{ + msn_entry *p = card->msn_list; + actcapi_msg *m; + struct sk_buff *skb; + int len; + + while (p) { + int i; + + len = strlen(p->msn); + for (i = 0; i < 2; i++) { + ACTCAPI_MKHDR(6 + len, 0xff, 0x00); + if (!skb) { + printk(KERN_WARNING "actcapi: alloc_skb failed\n"); + return -ENOMEM; + } + m->msg.manufacturer_req_msn.manuf_msg = 0x13 + i; + m->msg.manufacturer_req_msn.controller = 0; + m->msg.manufacturer_req_msn.msnmap.eaz = p->eaz; + m->msg.manufacturer_req_msn.msnmap.len = len; + memcpy(m->msg.manufacturer_req_msn.msnmap.msn, p->msn, len); + ACTCAPI_QUEUE_TX; + } + p = p->next; + } + return 0; +} + +void +actcapi_select_b2_protocol_req(act2000_card *card, act2000_chan *chan) +{ + actcapi_msg *m; + struct sk_buff *skb; + + ACTCAPI_MKHDR(10, 0x40, 0x00); + ACTCAPI_CHKSKB; + m->msg.select_b2_protocol_req.plci = chan->plci; + memset(&m->msg.select_b2_protocol_req.dlpd, 0, + sizeof(m->msg.select_b2_protocol_req.dlpd)); + m->msg.select_b2_protocol_req.dlpd.len = 6; + switch (chan->l2prot) { + case ISDN_PROTO_L2_TRANS: + m->msg.select_b2_protocol_req.protocol = 0x03; + m->msg.select_b2_protocol_req.dlpd.dlen = 4000; + break; + case ISDN_PROTO_L2_HDLC: + m->msg.select_b2_protocol_req.protocol = 0x02; + m->msg.select_b2_protocol_req.dlpd.dlen = 4000; + break; + case ISDN_PROTO_L2_X75I: + case ISDN_PROTO_L2_X75UI: + case ISDN_PROTO_L2_X75BUI: + m->msg.select_b2_protocol_req.protocol = 0x01; + m->msg.select_b2_protocol_req.dlpd.dlen = 4000; + m->msg.select_b2_protocol_req.dlpd.laa = 3; + m->msg.select_b2_protocol_req.dlpd.lab = 1; + m->msg.select_b2_protocol_req.dlpd.win = 7; + m->msg.select_b2_protocol_req.dlpd.modulo = 8; + break; + } + ACTCAPI_QUEUE_TX; +} + +static void +actcapi_select_b3_protocol_req(act2000_card *card, act2000_chan *chan) +{ + actcapi_msg *m; + struct sk_buff *skb; + + ACTCAPI_MKHDR(17, 0x80, 0x00); + ACTCAPI_CHKSKB; + m->msg.select_b3_protocol_req.plci = chan->plci; + memset(&m->msg.select_b3_protocol_req.ncpd, 0, + sizeof(m->msg.select_b3_protocol_req.ncpd)); + switch (chan->l3prot) { + case ISDN_PROTO_L3_TRANS: + m->msg.select_b3_protocol_req.protocol = 0x04; + m->msg.select_b3_protocol_req.ncpd.len = 13; + m->msg.select_b3_protocol_req.ncpd.modulo = 8; + break; + } + ACTCAPI_QUEUE_TX; +} + +static void +actcapi_listen_b3_req(act2000_card *card, act2000_chan *chan) +{ + actcapi_msg *m; + struct sk_buff *skb; + + ACTCAPI_MKHDR(2, 0x81, 0x00); + ACTCAPI_CHKSKB; + m->msg.listen_b3_req.plci = chan->plci; + ACTCAPI_QUEUE_TX; +} + +static void +actcapi_disconnect_req(act2000_card *card, act2000_chan *chan) +{ + actcapi_msg *m; + struct sk_buff *skb; + + ACTCAPI_MKHDR(3, 0x04, 0x00); + ACTCAPI_CHKSKB; + m->msg.disconnect_req.plci = chan->plci; + m->msg.disconnect_req.cause = 0; + ACTCAPI_QUEUE_TX; +} + +void +actcapi_disconnect_b3_req(act2000_card *card, act2000_chan *chan) +{ + actcapi_msg *m; + struct sk_buff *skb; + + ACTCAPI_MKHDR(17, 0x84, 0x00); + ACTCAPI_CHKSKB; + m->msg.disconnect_b3_req.ncci = chan->ncci; + memset(&m->msg.disconnect_b3_req.ncpi, 0, + sizeof(m->msg.disconnect_b3_req.ncpi)); + m->msg.disconnect_b3_req.ncpi.len = 13; + m->msg.disconnect_b3_req.ncpi.modulo = 8; + chan->fsm_state = ACT2000_STATE_BHWAIT; + ACTCAPI_QUEUE_TX; +} + +void +actcapi_connect_resp(act2000_card *card, act2000_chan *chan, __u8 cause) +{ + actcapi_msg *m; + struct sk_buff *skb; + + ACTCAPI_MKHDR(3, 0x02, 0x03); + ACTCAPI_CHKSKB; + m->msg.connect_resp.plci = chan->plci; + m->msg.connect_resp.rejectcause = cause; + if (cause) { + chan->fsm_state = ACT2000_STATE_NULL; + chan->plci = 0x8000; + } else + chan->fsm_state = ACT2000_STATE_IWAIT; + ACTCAPI_QUEUE_TX; +} + +static void +actcapi_connect_active_resp(act2000_card *card, act2000_chan *chan) +{ + actcapi_msg *m; + struct sk_buff *skb; + + ACTCAPI_MKHDR(2, 0x03, 0x03); + ACTCAPI_CHKSKB; + m->msg.connect_resp.plci = chan->plci; + if (chan->fsm_state == ACT2000_STATE_IWAIT) + chan->fsm_state = ACT2000_STATE_IBWAIT; + ACTCAPI_QUEUE_TX; +} + +static void +actcapi_connect_b3_resp(act2000_card *card, act2000_chan *chan, __u8 rejectcause) +{ + actcapi_msg *m; + struct sk_buff *skb; + + ACTCAPI_MKHDR((rejectcause ? 3 : 17), 0x82, 0x03); + ACTCAPI_CHKSKB; + m->msg.connect_b3_resp.ncci = chan->ncci; + m->msg.connect_b3_resp.rejectcause = rejectcause; + if (!rejectcause) { + memset(&m->msg.connect_b3_resp.ncpi, 0, + sizeof(m->msg.connect_b3_resp.ncpi)); + m->msg.connect_b3_resp.ncpi.len = 13; + m->msg.connect_b3_resp.ncpi.modulo = 8; + chan->fsm_state = ACT2000_STATE_BWAIT; + } + ACTCAPI_QUEUE_TX; +} + +static void +actcapi_connect_b3_active_resp(act2000_card *card, act2000_chan *chan) +{ + actcapi_msg *m; + struct sk_buff *skb; + + ACTCAPI_MKHDR(2, 0x83, 0x03); + ACTCAPI_CHKSKB; + m->msg.connect_b3_active_resp.ncci = chan->ncci; + chan->fsm_state = ACT2000_STATE_ACTIVE; + ACTCAPI_QUEUE_TX; +} + +static void +actcapi_info_resp(act2000_card *card, act2000_chan *chan) +{ + actcapi_msg *m; + struct sk_buff *skb; + + ACTCAPI_MKHDR(2, 0x07, 0x03); + ACTCAPI_CHKSKB; + m->msg.info_resp.plci = chan->plci; + ACTCAPI_QUEUE_TX; +} + +static void +actcapi_disconnect_b3_resp(act2000_card *card, act2000_chan *chan) +{ + actcapi_msg *m; + struct sk_buff *skb; + + ACTCAPI_MKHDR(2, 0x84, 0x03); + ACTCAPI_CHKSKB; + m->msg.disconnect_b3_resp.ncci = chan->ncci; + chan->ncci = 0x8000; + chan->queued = 0; + ACTCAPI_QUEUE_TX; +} + +static void +actcapi_disconnect_resp(act2000_card *card, act2000_chan *chan) +{ + actcapi_msg *m; + struct sk_buff *skb; + + ACTCAPI_MKHDR(2, 0x04, 0x03); + ACTCAPI_CHKSKB; + m->msg.disconnect_resp.plci = chan->plci; + chan->plci = 0x8000; + ACTCAPI_QUEUE_TX; +} + +static int +new_plci(act2000_card *card, __u16 plci) +{ + int i; + for (i = 0; i < ACT2000_BCH; i++) + if (card->bch[i].plci == 0x8000) { + card->bch[i].plci = plci; + return i; + } + return -1; +} + +static int +find_plci(act2000_card *card, __u16 plci) +{ + int i; + for (i = 0; i < ACT2000_BCH; i++) + if (card->bch[i].plci == plci) + return i; + return -1; +} + +static int +find_ncci(act2000_card *card, __u16 ncci) +{ + int i; + for (i = 0; i < ACT2000_BCH; i++) + if (card->bch[i].ncci == ncci) + return i; + return -1; +} + +static int +find_dialing(act2000_card *card, __u16 callref) +{ + int i; + for (i = 0; i < ACT2000_BCH; i++) + if ((card->bch[i].callref == callref) && + (card->bch[i].fsm_state == ACT2000_STATE_OCALL)) + return i; + return -1; +} + +static int +actcapi_data_b3_ind(act2000_card *card, struct sk_buff *skb) { + __u16 plci; + __u16 ncci; + __u16 controller; + __u8 blocknr; + int chan; + actcapi_msg *msg = (actcapi_msg *)skb->data; + + EVAL_NCCI(msg->msg.data_b3_ind.fakencci, plci, controller, ncci); + chan = find_ncci(card, ncci); + if (chan < 0) + return 0; + if (card->bch[chan].fsm_state != ACT2000_STATE_ACTIVE) + return 0; + if (card->bch[chan].plci != plci) + return 0; + blocknr = msg->msg.data_b3_ind.blocknr; + skb_pull(skb, 19); + card->interface.rcvcallb_skb(card->myid, chan, skb); + if (!(skb = alloc_skb(11, GFP_ATOMIC))) { + printk(KERN_WARNING "actcapi: alloc_skb failed\n"); + return 1; + } + msg = (actcapi_msg *)skb_put(skb, 11); + msg->hdr.len = 11; + msg->hdr.applicationID = 1; + msg->hdr.cmd.cmd = 0x86; + msg->hdr.cmd.subcmd = 0x03; + msg->hdr.msgnum = actcapi_nextsmsg(card); + msg->msg.data_b3_resp.ncci = ncci; + msg->msg.data_b3_resp.blocknr = blocknr; + ACTCAPI_QUEUE_TX; + return 1; +} + +/* + * Walk over ackq, unlink DATA_B3_REQ from it, if + * ncci and blocknr are matching. + * Decrement queued-bytes counter. + */ +static int +handle_ack(act2000_card *card, act2000_chan *chan, __u8 blocknr) { + unsigned long flags; + struct sk_buff *skb; + struct sk_buff *tmp; + struct actcapi_msg *m; + int ret = 0; + + spin_lock_irqsave(&card->lock, flags); + skb = skb_peek(&card->ackq); + spin_unlock_irqrestore(&card->lock, flags); + if (!skb) { + printk(KERN_WARNING "act2000: handle_ack nothing found!\n"); + return 0; + } + tmp = skb; + while (1) { + m = (actcapi_msg *)tmp->data; + if ((((m->msg.data_b3_req.fakencci >> 8) & 0xff) == chan->ncci) && + (m->msg.data_b3_req.blocknr == blocknr)) { + /* found corresponding DATA_B3_REQ */ + skb_unlink(tmp, &card->ackq); + chan->queued -= m->msg.data_b3_req.datalen; + if (m->msg.data_b3_req.flags) + ret = m->msg.data_b3_req.datalen; + dev_kfree_skb(tmp); + if (chan->queued < 0) + chan->queued = 0; + return ret; + } + spin_lock_irqsave(&card->lock, flags); + tmp = skb_peek((struct sk_buff_head *)tmp); + spin_unlock_irqrestore(&card->lock, flags); + if ((tmp == skb) || (tmp == NULL)) { + /* reached end of queue */ + printk(KERN_WARNING "act2000: handle_ack nothing found!\n"); + return 0; + } + } +} + +void +actcapi_dispatch(struct work_struct *work) +{ + struct act2000_card *card = + container_of(work, struct act2000_card, rcv_tq); + struct sk_buff *skb; + actcapi_msg *msg; + __u16 ccmd; + int chan; + int len; + act2000_chan *ctmp; + isdn_ctrl cmd; + char tmp[170]; + + while ((skb = skb_dequeue(&card->rcvq))) { + actcapi_debug_msg(skb, 0); + msg = (actcapi_msg *)skb->data; + ccmd = ((msg->hdr.cmd.cmd << 8) | msg->hdr.cmd.subcmd); + switch (ccmd) { + case 0x8602: + /* DATA_B3_IND */ + if (actcapi_data_b3_ind(card, skb)) + return; + break; + case 0x8601: + /* DATA_B3_CONF */ + chan = find_ncci(card, msg->msg.data_b3_conf.ncci); + if ((chan >= 0) && (card->bch[chan].fsm_state == ACT2000_STATE_ACTIVE)) { + if (msg->msg.data_b3_conf.info != 0) + printk(KERN_WARNING "act2000: DATA_B3_CONF: %04x\n", + msg->msg.data_b3_conf.info); + len = handle_ack(card, &card->bch[chan], + msg->msg.data_b3_conf.blocknr); + if (len) { + cmd.driver = card->myid; + cmd.command = ISDN_STAT_BSENT; + cmd.arg = chan; + cmd.parm.length = len; + card->interface.statcallb(&cmd); + } + } + break; + case 0x0201: + /* CONNECT_CONF */ + chan = find_dialing(card, msg->hdr.msgnum); + if (chan >= 0) { + if (msg->msg.connect_conf.info) { + card->bch[chan].fsm_state = ACT2000_STATE_NULL; + cmd.driver = card->myid; + cmd.command = ISDN_STAT_DHUP; + cmd.arg = chan; + card->interface.statcallb(&cmd); + } else { + card->bch[chan].fsm_state = ACT2000_STATE_OWAIT; + card->bch[chan].plci = msg->msg.connect_conf.plci; + } + } + break; + case 0x0202: + /* CONNECT_IND */ + chan = new_plci(card, msg->msg.connect_ind.plci); + if (chan < 0) { + ctmp = (act2000_chan *)tmp; + ctmp->plci = msg->msg.connect_ind.plci; + actcapi_connect_resp(card, ctmp, 0x11); /* All Card-Cannels busy */ + } else { + card->bch[chan].fsm_state = ACT2000_STATE_ICALL; + cmd.driver = card->myid; + cmd.command = ISDN_STAT_ICALL; + cmd.arg = chan; + cmd.parm.setup.si1 = msg->msg.connect_ind.si1; + cmd.parm.setup.si2 = msg->msg.connect_ind.si2; + if (card->ptype == ISDN_PTYPE_EURO) + strcpy(cmd.parm.setup.eazmsn, + act2000_find_eaz(card, msg->msg.connect_ind.eaz)); + else { + cmd.parm.setup.eazmsn[0] = msg->msg.connect_ind.eaz; + cmd.parm.setup.eazmsn[1] = 0; + } + memset(cmd.parm.setup.phone, 0, sizeof(cmd.parm.setup.phone)); + memcpy(cmd.parm.setup.phone, msg->msg.connect_ind.addr.num, + msg->msg.connect_ind.addr.len - 1); + cmd.parm.setup.plan = msg->msg.connect_ind.addr.tnp; + cmd.parm.setup.screen = 0; + if (card->interface.statcallb(&cmd) == 2) + actcapi_connect_resp(card, &card->bch[chan], 0x15); /* Reject Call */ + } + break; + case 0x0302: + /* CONNECT_ACTIVE_IND */ + chan = find_plci(card, msg->msg.connect_active_ind.plci); + if (chan >= 0) + switch (card->bch[chan].fsm_state) { + case ACT2000_STATE_IWAIT: + actcapi_connect_active_resp(card, &card->bch[chan]); + break; + case ACT2000_STATE_OWAIT: + actcapi_connect_active_resp(card, &card->bch[chan]); + actcapi_select_b2_protocol_req(card, &card->bch[chan]); + break; + } + break; + case 0x8202: + /* CONNECT_B3_IND */ + chan = find_plci(card, msg->msg.connect_b3_ind.plci); + if ((chan >= 0) && (card->bch[chan].fsm_state == ACT2000_STATE_IBWAIT)) { + card->bch[chan].ncci = msg->msg.connect_b3_ind.ncci; + actcapi_connect_b3_resp(card, &card->bch[chan], 0); + } else { + ctmp = (act2000_chan *)tmp; + ctmp->ncci = msg->msg.connect_b3_ind.ncci; + actcapi_connect_b3_resp(card, ctmp, 0x11); /* All Card-Cannels busy */ + } + break; + case 0x8302: + /* CONNECT_B3_ACTIVE_IND */ + chan = find_ncci(card, msg->msg.connect_b3_active_ind.ncci); + if ((chan >= 0) && (card->bch[chan].fsm_state == ACT2000_STATE_BWAIT)) { + actcapi_connect_b3_active_resp(card, &card->bch[chan]); + cmd.driver = card->myid; + cmd.command = ISDN_STAT_BCONN; + cmd.arg = chan; + card->interface.statcallb(&cmd); + } + break; + case 0x8402: + /* DISCONNECT_B3_IND */ + chan = find_ncci(card, msg->msg.disconnect_b3_ind.ncci); + if (chan >= 0) { + ctmp = &card->bch[chan]; + actcapi_disconnect_b3_resp(card, ctmp); + switch (ctmp->fsm_state) { + case ACT2000_STATE_ACTIVE: + ctmp->fsm_state = ACT2000_STATE_DHWAIT2; + cmd.driver = card->myid; + cmd.command = ISDN_STAT_BHUP; + cmd.arg = chan; + card->interface.statcallb(&cmd); + break; + case ACT2000_STATE_BHWAIT2: + actcapi_disconnect_req(card, ctmp); + ctmp->fsm_state = ACT2000_STATE_DHWAIT; + cmd.driver = card->myid; + cmd.command = ISDN_STAT_BHUP; + cmd.arg = chan; + card->interface.statcallb(&cmd); + break; + } + } + break; + case 0x0402: + /* DISCONNECT_IND */ + chan = find_plci(card, msg->msg.disconnect_ind.plci); + if (chan >= 0) { + ctmp = &card->bch[chan]; + actcapi_disconnect_resp(card, ctmp); + ctmp->fsm_state = ACT2000_STATE_NULL; + cmd.driver = card->myid; + cmd.command = ISDN_STAT_DHUP; + cmd.arg = chan; + card->interface.statcallb(&cmd); + } else { + ctmp = (act2000_chan *)tmp; + ctmp->plci = msg->msg.disconnect_ind.plci; + actcapi_disconnect_resp(card, ctmp); + } + break; + case 0x4001: + /* SELECT_B2_PROTOCOL_CONF */ + chan = find_plci(card, msg->msg.select_b2_protocol_conf.plci); + if (chan >= 0) + switch (card->bch[chan].fsm_state) { + case ACT2000_STATE_ICALL: + case ACT2000_STATE_OWAIT: + ctmp = &card->bch[chan]; + if (msg->msg.select_b2_protocol_conf.info == 0) + actcapi_select_b3_protocol_req(card, ctmp); + else { + ctmp->fsm_state = ACT2000_STATE_NULL; + cmd.driver = card->myid; + cmd.command = ISDN_STAT_DHUP; + cmd.arg = chan; + card->interface.statcallb(&cmd); + } + break; + } + break; + case 0x8001: + /* SELECT_B3_PROTOCOL_CONF */ + chan = find_plci(card, msg->msg.select_b3_protocol_conf.plci); + if (chan >= 0) + switch (card->bch[chan].fsm_state) { + case ACT2000_STATE_ICALL: + case ACT2000_STATE_OWAIT: + ctmp = &card->bch[chan]; + if (msg->msg.select_b3_protocol_conf.info == 0) + actcapi_listen_b3_req(card, ctmp); + else { + ctmp->fsm_state = ACT2000_STATE_NULL; + cmd.driver = card->myid; + cmd.command = ISDN_STAT_DHUP; + cmd.arg = chan; + card->interface.statcallb(&cmd); + } + } + break; + case 0x8101: + /* LISTEN_B3_CONF */ + chan = find_plci(card, msg->msg.listen_b3_conf.plci); + if (chan >= 0) + switch (card->bch[chan].fsm_state) { + case ACT2000_STATE_ICALL: + ctmp = &card->bch[chan]; + if (msg->msg.listen_b3_conf.info == 0) + actcapi_connect_resp(card, ctmp, 0); + else { + ctmp->fsm_state = ACT2000_STATE_NULL; + cmd.driver = card->myid; + cmd.command = ISDN_STAT_DHUP; + cmd.arg = chan; + card->interface.statcallb(&cmd); + } + break; + case ACT2000_STATE_OWAIT: + ctmp = &card->bch[chan]; + if (msg->msg.listen_b3_conf.info == 0) { + actcapi_connect_b3_req(card, ctmp); + ctmp->fsm_state = ACT2000_STATE_OBWAIT; + cmd.driver = card->myid; + cmd.command = ISDN_STAT_DCONN; + cmd.arg = chan; + card->interface.statcallb(&cmd); + } else { + ctmp->fsm_state = ACT2000_STATE_NULL; + cmd.driver = card->myid; + cmd.command = ISDN_STAT_DHUP; + cmd.arg = chan; + card->interface.statcallb(&cmd); + } + break; + } + break; + case 0x8201: + /* CONNECT_B3_CONF */ + chan = find_plci(card, msg->msg.connect_b3_conf.plci); + if ((chan >= 0) && (card->bch[chan].fsm_state == ACT2000_STATE_OBWAIT)) { + ctmp = &card->bch[chan]; + if (msg->msg.connect_b3_conf.info) { + ctmp->fsm_state = ACT2000_STATE_NULL; + cmd.driver = card->myid; + cmd.command = ISDN_STAT_DHUP; + cmd.arg = chan; + card->interface.statcallb(&cmd); + } else { + ctmp->ncci = msg->msg.connect_b3_conf.ncci; + ctmp->fsm_state = ACT2000_STATE_BWAIT; + } + } + break; + case 0x8401: + /* DISCONNECT_B3_CONF */ + chan = find_ncci(card, msg->msg.disconnect_b3_conf.ncci); + if ((chan >= 0) && (card->bch[chan].fsm_state == ACT2000_STATE_BHWAIT)) + card->bch[chan].fsm_state = ACT2000_STATE_BHWAIT2; + break; + case 0x0702: + /* INFO_IND */ + chan = find_plci(card, msg->msg.info_ind.plci); + if (chan >= 0) + /* TODO: Eval Charging info / cause */ + actcapi_info_resp(card, &card->bch[chan]); + break; + case 0x0401: + /* LISTEN_CONF */ + case 0x0501: + /* LISTEN_CONF */ + case 0xff01: + /* MANUFACTURER_CONF */ + break; + case 0xff02: + /* MANUFACTURER_IND */ + if (msg->msg.manuf_msg == 3) { + memset(tmp, 0, sizeof(tmp)); + strncpy(tmp, + &msg->msg.manufacturer_ind_err.errstring, + msg->hdr.len - 16); + if (msg->msg.manufacturer_ind_err.errcode) + printk(KERN_WARNING "act2000: %s\n", tmp); + else { + printk(KERN_DEBUG "act2000: %s\n", tmp); + if ((!strncmp(tmp, "INFO: Trace buffer con", 22)) || + (!strncmp(tmp, "INFO: Compile Date/Tim", 22))) { + card->flags |= ACT2000_FLAGS_RUNNING; + cmd.command = ISDN_STAT_RUN; + cmd.driver = card->myid; + cmd.arg = 0; + actcapi_manufacturer_req_net(card); + actcapi_manufacturer_req_msn(card); + actcapi_listen_req(card); + card->interface.statcallb(&cmd); + } + } + } + break; + default: + printk(KERN_WARNING "act2000: UNHANDLED Message %04x\n", ccmd); + break; + } + dev_kfree_skb(skb); + } +} + +#ifdef DEBUG_MSG +static void +actcapi_debug_caddr(actcapi_addr *addr) +{ + char tmp[30]; + + printk(KERN_DEBUG " Alen = %d\n", addr->len); + if (addr->len > 0) + printk(KERN_DEBUG " Atnp = 0x%02x\n", addr->tnp); + if (addr->len > 1) { + memset(tmp, 0, 30); + memcpy(tmp, addr->num, addr->len - 1); + printk(KERN_DEBUG " Anum = '%s'\n", tmp); + } +} + +static void +actcapi_debug_ncpi(actcapi_ncpi *ncpi) +{ + printk(KERN_DEBUG " ncpi.len = %d\n", ncpi->len); + if (ncpi->len >= 2) + printk(KERN_DEBUG " ncpi.lic = 0x%04x\n", ncpi->lic); + if (ncpi->len >= 4) + printk(KERN_DEBUG " ncpi.hic = 0x%04x\n", ncpi->hic); + if (ncpi->len >= 6) + printk(KERN_DEBUG " ncpi.ltc = 0x%04x\n", ncpi->ltc); + if (ncpi->len >= 8) + printk(KERN_DEBUG " ncpi.htc = 0x%04x\n", ncpi->htc); + if (ncpi->len >= 10) + printk(KERN_DEBUG " ncpi.loc = 0x%04x\n", ncpi->loc); + if (ncpi->len >= 12) + printk(KERN_DEBUG " ncpi.hoc = 0x%04x\n", ncpi->hoc); + if (ncpi->len >= 13) + printk(KERN_DEBUG " ncpi.mod = %d\n", ncpi->modulo); +} + +static void +actcapi_debug_dlpd(actcapi_dlpd *dlpd) +{ + printk(KERN_DEBUG " dlpd.len = %d\n", dlpd->len); + if (dlpd->len >= 2) + printk(KERN_DEBUG " dlpd.dlen = 0x%04x\n", dlpd->dlen); + if (dlpd->len >= 3) + printk(KERN_DEBUG " dlpd.laa = 0x%02x\n", dlpd->laa); + if (dlpd->len >= 4) + printk(KERN_DEBUG " dlpd.lab = 0x%02x\n", dlpd->lab); + if (dlpd->len >= 5) + printk(KERN_DEBUG " dlpd.modulo = %d\n", dlpd->modulo); + if (dlpd->len >= 6) + printk(KERN_DEBUG " dlpd.win = %d\n", dlpd->win); +} + +#ifdef DEBUG_DUMP_SKB +static void dump_skb(struct sk_buff *skb) { + char tmp[80]; + char *p = skb->data; + char *t = tmp; + int i; + + for (i = 0; i < skb->len; i++) { + t += sprintf(t, "%02x ", *p++ & 0xff); + if ((i & 0x0f) == 8) { + printk(KERN_DEBUG "dump: %s\n", tmp); + t = tmp; + } + } + if (i & 0x07) + printk(KERN_DEBUG "dump: %s\n", tmp); +} +#endif + +void +actcapi_debug_msg(struct sk_buff *skb, int direction) +{ + actcapi_msg *msg = (actcapi_msg *)skb->data; + char *descr; + int i; + char tmp[170]; + +#ifndef DEBUG_DATA_MSG + if (msg->hdr.cmd.cmd == 0x86) + return; +#endif + descr = "INVALID"; +#ifdef DEBUG_DUMP_SKB + dump_skb(skb); +#endif + for (i = 0; i < ARRAY_SIZE(valid_msg); i++) + if ((msg->hdr.cmd.cmd == valid_msg[i].cmd.cmd) && + (msg->hdr.cmd.subcmd == valid_msg[i].cmd.subcmd)) { + descr = valid_msg[i].description; + break; + } + printk(KERN_DEBUG "%s %s msg\n", direction ? "Outgoing" : "Incoming", descr); + printk(KERN_DEBUG " ApplID = %d\n", msg->hdr.applicationID); + printk(KERN_DEBUG " Len = %d\n", msg->hdr.len); + printk(KERN_DEBUG " MsgNum = 0x%04x\n", msg->hdr.msgnum); + printk(KERN_DEBUG " Cmd = 0x%02x\n", msg->hdr.cmd.cmd); + printk(KERN_DEBUG " SubCmd = 0x%02x\n", msg->hdr.cmd.subcmd); + switch (i) { + case 0: + /* DATA B3 IND */ + printk(KERN_DEBUG " BLOCK = 0x%02x\n", + msg->msg.data_b3_ind.blocknr); + break; + case 2: + /* CONNECT CONF */ + printk(KERN_DEBUG " PLCI = 0x%04x\n", + msg->msg.connect_conf.plci); + printk(KERN_DEBUG " Info = 0x%04x\n", + msg->msg.connect_conf.info); + break; + case 3: + /* CONNECT IND */ + printk(KERN_DEBUG " PLCI = 0x%04x\n", + msg->msg.connect_ind.plci); + printk(KERN_DEBUG " Contr = %d\n", + msg->msg.connect_ind.controller); + printk(KERN_DEBUG " SI1 = %d\n", + msg->msg.connect_ind.si1); + printk(KERN_DEBUG " SI2 = %d\n", + msg->msg.connect_ind.si2); + printk(KERN_DEBUG " EAZ = '%c'\n", + msg->msg.connect_ind.eaz); + actcapi_debug_caddr(&msg->msg.connect_ind.addr); + break; + case 5: + /* CONNECT ACTIVE IND */ + printk(KERN_DEBUG " PLCI = 0x%04x\n", + msg->msg.connect_active_ind.plci); + actcapi_debug_caddr(&msg->msg.connect_active_ind.addr); + break; + case 8: + /* LISTEN CONF */ + printk(KERN_DEBUG " Contr = %d\n", + msg->msg.listen_conf.controller); + printk(KERN_DEBUG " Info = 0x%04x\n", + msg->msg.listen_conf.info); + break; + case 11: + /* INFO IND */ + printk(KERN_DEBUG " PLCI = 0x%04x\n", + msg->msg.info_ind.plci); + printk(KERN_DEBUG " Imsk = 0x%04x\n", + msg->msg.info_ind.nr.mask); + if (msg->hdr.len > 12) { + int l = msg->hdr.len - 12; + int j; + char *p = tmp; + for (j = 0; j < l; j++) + p += sprintf(p, "%02x ", msg->msg.info_ind.el.display[j]); + printk(KERN_DEBUG " D = '%s'\n", tmp); + } + break; + case 14: + /* SELECT B2 PROTOCOL CONF */ + printk(KERN_DEBUG " PLCI = 0x%04x\n", + msg->msg.select_b2_protocol_conf.plci); + printk(KERN_DEBUG " Info = 0x%04x\n", + msg->msg.select_b2_protocol_conf.info); + break; + case 15: + /* SELECT B3 PROTOCOL CONF */ + printk(KERN_DEBUG " PLCI = 0x%04x\n", + msg->msg.select_b3_protocol_conf.plci); + printk(KERN_DEBUG " Info = 0x%04x\n", + msg->msg.select_b3_protocol_conf.info); + break; + case 16: + /* LISTEN B3 CONF */ + printk(KERN_DEBUG " PLCI = 0x%04x\n", + msg->msg.listen_b3_conf.plci); + printk(KERN_DEBUG " Info = 0x%04x\n", + msg->msg.listen_b3_conf.info); + break; + case 18: + /* CONNECT B3 IND */ + printk(KERN_DEBUG " NCCI = 0x%04x\n", + msg->msg.connect_b3_ind.ncci); + printk(KERN_DEBUG " PLCI = 0x%04x\n", + msg->msg.connect_b3_ind.plci); + actcapi_debug_ncpi(&msg->msg.connect_b3_ind.ncpi); + break; + case 19: + /* CONNECT B3 ACTIVE IND */ + printk(KERN_DEBUG " NCCI = 0x%04x\n", + msg->msg.connect_b3_active_ind.ncci); + actcapi_debug_ncpi(&msg->msg.connect_b3_active_ind.ncpi); + break; + case 26: + /* MANUFACTURER IND */ + printk(KERN_DEBUG " Mmsg = 0x%02x\n", + msg->msg.manufacturer_ind_err.manuf_msg); + switch (msg->msg.manufacturer_ind_err.manuf_msg) { + case 3: + printk(KERN_DEBUG " Contr = %d\n", + msg->msg.manufacturer_ind_err.controller); + printk(KERN_DEBUG " Code = 0x%08x\n", + msg->msg.manufacturer_ind_err.errcode); + memset(tmp, 0, sizeof(tmp)); + strncpy(tmp, &msg->msg.manufacturer_ind_err.errstring, + msg->hdr.len - 16); + printk(KERN_DEBUG " Emsg = '%s'\n", tmp); + break; + } + break; + case 30: + /* LISTEN REQ */ + printk(KERN_DEBUG " Imsk = 0x%08x\n", + msg->msg.listen_req.infomask); + printk(KERN_DEBUG " Emsk = 0x%04x\n", + msg->msg.listen_req.eazmask); + printk(KERN_DEBUG " Smsk = 0x%04x\n", + msg->msg.listen_req.simask); + break; + case 35: + /* SELECT_B2_PROTOCOL_REQ */ + printk(KERN_DEBUG " PLCI = 0x%04x\n", + msg->msg.select_b2_protocol_req.plci); + printk(KERN_DEBUG " prot = 0x%02x\n", + msg->msg.select_b2_protocol_req.protocol); + if (msg->hdr.len >= 11) + printk(KERN_DEBUG "No dlpd\n"); + else + actcapi_debug_dlpd(&msg->msg.select_b2_protocol_req.dlpd); + break; + case 44: + /* CONNECT RESP */ + printk(KERN_DEBUG " PLCI = 0x%04x\n", + msg->msg.connect_resp.plci); + printk(KERN_DEBUG " CAUSE = 0x%02x\n", + msg->msg.connect_resp.rejectcause); + break; + case 45: + /* CONNECT ACTIVE RESP */ + printk(KERN_DEBUG " PLCI = 0x%04x\n", + msg->msg.connect_active_resp.plci); + break; + } +} +#endif diff --git a/drivers/isdn/act2000/capi.h b/drivers/isdn/act2000/capi.h new file mode 100644 index 000000000..01ccdecd4 --- /dev/null +++ b/drivers/isdn/act2000/capi.h @@ -0,0 +1,365 @@ +/* $Id: capi.h,v 1.6.6.2 2001/09/23 22:24:32 kai Exp $ + * + * ISDN lowlevel-module for the IBM ISDN-S0 Active 2000. + * + * Author Fritz Elfert + * Copyright by Fritz Elfert <fritz@isdn4linux.de> + * + * This software may be used and distributed according to the terms + * of the GNU General Public License, incorporated herein by reference. + * + * Thanks to Friedemann Baitinger and IBM Germany + * + */ + +#ifndef CAPI_H +#define CAPI_H + +/* Command-part of a CAPI message */ +typedef struct actcapi_msgcmd { + __u8 cmd; + __u8 subcmd; +} actcapi_msgcmd; + +/* CAPI message header */ +typedef struct actcapi_msghdr { + __u16 len; + __u16 applicationID; + actcapi_msgcmd cmd; + __u16 msgnum; +} actcapi_msghdr; + +/* CAPI message description (for debugging) */ +typedef struct actcapi_msgdsc { + actcapi_msgcmd cmd; + char *description; +} actcapi_msgdsc; + +/* CAPI Address */ +typedef struct actcapi_addr { + __u8 len; /* Length of element */ + __u8 tnp; /* Type/Numbering Plan */ + __u8 num[20]; /* Caller ID */ +} actcapi_addr; + +/* CAPI INFO element mask */ +typedef union actcapi_infonr { /* info number */ + __u16 mask; /* info-mask field */ + struct bmask { /* bit definitions */ + unsigned codes:3; /* code set */ + unsigned rsvd:5; /* reserved */ + unsigned svind:1; /* single, variable length ind. */ + unsigned wtype:7; /* W-element type */ + } bmask; +} actcapi_infonr; + +/* CAPI INFO element */ +typedef union actcapi_infoel { /* info element */ + __u8 len; /* length of info element */ + __u8 display[40]; /* display contents */ + __u8 uuinfo[40]; /* User-user info field */ + struct cause { /* Cause information */ + unsigned ext2:1; /* extension */ + unsigned cod:2; /* coding standard */ + unsigned spare:1; /* spare */ + unsigned loc:4; /* location */ + unsigned ext1:1; /* extension */ + unsigned cval:7; /* Cause value */ + } cause; + struct charge { /* Charging information */ + __u8 toc; /* type of charging info */ + __u8 unit[10]; /* charging units */ + } charge; + __u8 date[20]; /* date fields */ + __u8 stat; /* state of remote party */ +} actcapi_infoel; + +/* Message for EAZ<->MSN Mapping */ +typedef struct actcapi_msn { + __u8 eaz; + __u8 len; /* Length of MSN */ + __u8 msn[15]; +} __attribute__((packed)) actcapi_msn; + +typedef struct actcapi_dlpd { + __u8 len; /* Length of structure */ + __u16 dlen; /* Data Length */ + __u8 laa; /* Link Address A */ + __u8 lab; /* Link Address B */ + __u8 modulo; /* Modulo Mode */ + __u8 win; /* Window size */ + __u8 xid[100]; /* XID Information */ +} __attribute__((packed)) actcapi_dlpd; + +typedef struct actcapi_ncpd { + __u8 len; /* Length of structure */ + __u16 lic; + __u16 hic; + __u16 ltc; + __u16 htc; + __u16 loc; + __u16 hoc; + __u8 modulo; +} __attribute__((packed)) actcapi_ncpd; +#define actcapi_ncpi actcapi_ncpd + +/* + * Layout of NCCI field in a B3 DATA CAPI message is different from + * standard at act2000: + * + * Bit 0-4 = PLCI + * Bit 5-7 = Controller + * Bit 8-15 = NCCI + */ +#define MAKE_NCCI(plci, contr, ncci) \ + ((plci & 0x1f) | ((contr & 0x7) << 5) | ((ncci & 0xff) << 8)) + +#define EVAL_NCCI(fakencci, plci, contr, ncci) { \ + plci = fakencci & 0x1f; \ + contr = (fakencci >> 5) & 0x7; \ + ncci = (fakencci >> 8) & 0xff; \ + } + +/* + * Layout of PLCI field in a B3 DATA CAPI message is different from + * standard at act2000: + * + * Bit 0-4 = PLCI + * Bit 5-7 = Controller + * Bit 8-15 = reserved (must be 0) + */ +#define MAKE_PLCI(plci, contr) \ + ((plci & 0x1f) | ((contr & 0x7) << 5)) + +#define EVAL_PLCI(fakeplci, plci, contr) { \ + plci = fakeplci & 0x1f; \ + contr = (fakeplci >> 5) & 0x7; \ + } + +typedef struct actcapi_msg { + actcapi_msghdr hdr; + union { + __u16 manuf_msg; + struct manufacturer_req_net { + __u16 manuf_msg; + __u16 controller; + __u8 nettype; + } manufacturer_req_net; + struct manufacturer_req_v42 { + __u16 manuf_msg; + __u16 controller; + __u32 v42control; + } manufacturer_req_v42; + struct manufacturer_conf_v42 { + __u16 manuf_msg; + __u16 controller; + } manufacturer_conf_v42; + struct manufacturer_req_err { + __u16 manuf_msg; + __u16 controller; + } manufacturer_req_err; + struct manufacturer_ind_err { + __u16 manuf_msg; + __u16 controller; + __u32 errcode; + __u8 errstring; /* actually up to 160 */ + } manufacturer_ind_err; + struct manufacturer_req_msn { + __u16 manuf_msg; + __u16 controller; + actcapi_msn msnmap; + } __attribute ((packed)) manufacturer_req_msn; + /* TODO: TraceInit-req/conf/ind/resp and + * TraceDump-req/conf/ind/resp + */ + struct connect_req { + __u8 controller; + __u8 bchan; + __u32 infomask; + __u8 si1; + __u8 si2; + __u8 eaz; + actcapi_addr addr; + } __attribute__ ((packed)) connect_req; + struct connect_conf { + __u16 plci; + __u16 info; + } connect_conf; + struct connect_ind { + __u16 plci; + __u8 controller; + __u8 si1; + __u8 si2; + __u8 eaz; + actcapi_addr addr; + } __attribute__ ((packed)) connect_ind; + struct connect_resp { + __u16 plci; + __u8 rejectcause; + } connect_resp; + struct connect_active_ind { + __u16 plci; + actcapi_addr addr; + } __attribute__ ((packed)) connect_active_ind; + struct connect_active_resp { + __u16 plci; + } connect_active_resp; + struct connect_b3_req { + __u16 plci; + actcapi_ncpi ncpi; + } __attribute__ ((packed)) connect_b3_req; + struct connect_b3_conf { + __u16 plci; + __u16 ncci; + __u16 info; + } connect_b3_conf; + struct connect_b3_ind { + __u16 ncci; + __u16 plci; + actcapi_ncpi ncpi; + } __attribute__ ((packed)) connect_b3_ind; + struct connect_b3_resp { + __u16 ncci; + __u8 rejectcause; + actcapi_ncpi ncpi; + } __attribute__ ((packed)) connect_b3_resp; + struct disconnect_req { + __u16 plci; + __u8 cause; + } disconnect_req; + struct disconnect_conf { + __u16 plci; + __u16 info; + } disconnect_conf; + struct disconnect_ind { + __u16 plci; + __u16 info; + } disconnect_ind; + struct disconnect_resp { + __u16 plci; + } disconnect_resp; + struct connect_b3_active_ind { + __u16 ncci; + actcapi_ncpi ncpi; + } __attribute__ ((packed)) connect_b3_active_ind; + struct connect_b3_active_resp { + __u16 ncci; + } connect_b3_active_resp; + struct disconnect_b3_req { + __u16 ncci; + actcapi_ncpi ncpi; + } __attribute__ ((packed)) disconnect_b3_req; + struct disconnect_b3_conf { + __u16 ncci; + __u16 info; + } disconnect_b3_conf; + struct disconnect_b3_ind { + __u16 ncci; + __u16 info; + actcapi_ncpi ncpi; + } __attribute__ ((packed)) disconnect_b3_ind; + struct disconnect_b3_resp { + __u16 ncci; + } disconnect_b3_resp; + struct info_ind { + __u16 plci; + actcapi_infonr nr; + actcapi_infoel el; + } __attribute__ ((packed)) info_ind; + struct info_resp { + __u16 plci; + } info_resp; + struct listen_b3_req { + __u16 plci; + } listen_b3_req; + struct listen_b3_conf { + __u16 plci; + __u16 info; + } listen_b3_conf; + struct select_b2_protocol_req { + __u16 plci; + __u8 protocol; + actcapi_dlpd dlpd; + } __attribute__ ((packed)) select_b2_protocol_req; + struct select_b2_protocol_conf { + __u16 plci; + __u16 info; + } select_b2_protocol_conf; + struct select_b3_protocol_req { + __u16 plci; + __u8 protocol; + actcapi_ncpd ncpd; + } __attribute__ ((packed)) select_b3_protocol_req; + struct select_b3_protocol_conf { + __u16 plci; + __u16 info; + } select_b3_protocol_conf; + struct listen_req { + __u8 controller; + __u32 infomask; + __u16 eazmask; + __u16 simask; + } __attribute__ ((packed)) listen_req; + struct listen_conf { + __u8 controller; + __u16 info; + } __attribute__ ((packed)) listen_conf; + struct data_b3_req { + __u16 fakencci; + __u16 datalen; + __u32 unused; + __u8 blocknr; + __u16 flags; + } __attribute ((packed)) data_b3_req; + struct data_b3_ind { + __u16 fakencci; + __u16 datalen; + __u32 unused; + __u8 blocknr; + __u16 flags; + } __attribute__ ((packed)) data_b3_ind; + struct data_b3_resp { + __u16 ncci; + __u8 blocknr; + } __attribute__ ((packed)) data_b3_resp; + struct data_b3_conf { + __u16 ncci; + __u8 blocknr; + __u16 info; + } __attribute__ ((packed)) data_b3_conf; + } msg; +} __attribute__ ((packed)) actcapi_msg; + +static inline unsigned short +actcapi_nextsmsg(act2000_card *card) +{ + unsigned long flags; + unsigned short n; + + spin_lock_irqsave(&card->mnlock, flags); + n = card->msgnum; + card->msgnum++; + card->msgnum &= 0x7fff; + spin_unlock_irqrestore(&card->mnlock, flags); + return n; +} +#define DEBUG_MSG +#undef DEBUG_DATA_MSG +#undef DEBUG_DUMP_SKB + +extern int actcapi_chkhdr(act2000_card *, actcapi_msghdr *); +extern int actcapi_listen_req(act2000_card *); +extern int actcapi_manufacturer_req_net(act2000_card *); +extern int actcapi_manufacturer_req_errh(act2000_card *); +extern int actcapi_manufacturer_req_msn(act2000_card *); +extern int actcapi_connect_req(act2000_card *, act2000_chan *, char *, char, int, int); +extern void actcapi_select_b2_protocol_req(act2000_card *, act2000_chan *); +extern void actcapi_disconnect_b3_req(act2000_card *, act2000_chan *); +extern void actcapi_connect_resp(act2000_card *, act2000_chan *, __u8); +extern void actcapi_dispatch(struct work_struct *); +#ifdef DEBUG_MSG +extern void actcapi_debug_msg(struct sk_buff *skb, int); +#else +#define actcapi_debug_msg(skb, len) +#endif +#endif diff --git a/drivers/isdn/act2000/module.c b/drivers/isdn/act2000/module.c new file mode 100644 index 000000000..c3a1b0618 --- /dev/null +++ b/drivers/isdn/act2000/module.c @@ -0,0 +1,813 @@ +/* $Id: module.c,v 1.14.6.4 2001/09/23 22:24:32 kai Exp $ + * + * ISDN lowlevel-module for the IBM ISDN-S0 Active 2000. + * + * Author Fritz Elfert + * Copyright by Fritz Elfert <fritz@isdn4linux.de> + * + * This software may be used and distributed according to the terms + * of the GNU General Public License, incorporated herein by reference. + * + * Thanks to Friedemann Baitinger and IBM Germany + * + */ + +#include "act2000.h" +#include "act2000_isa.h" +#include "capi.h" +#include <linux/module.h> +#include <linux/slab.h> +#include <linux/init.h> + +static unsigned short act2000_isa_ports[] = +{ + 0x0200, 0x0240, 0x0280, 0x02c0, 0x0300, 0x0340, 0x0380, + 0xcfe0, 0xcfa0, 0xcf60, 0xcf20, 0xcee0, 0xcea0, 0xce60, +}; + +static act2000_card *cards = (act2000_card *) NULL; + +/* Parameters to be set by insmod */ +static int act_bus = 0; +static int act_port = -1; /* -1 = Autoprobe */ +static int act_irq = -1; +static char *act_id = "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"; + +MODULE_DESCRIPTION("ISDN4Linux: Driver for IBM Active 2000 ISDN card"); +MODULE_AUTHOR("Fritz Elfert"); +MODULE_LICENSE("GPL"); +MODULE_PARM_DESC(act_bus, "BusType of first card, 1=ISA, 2=MCA, 3=PCMCIA, currently only ISA"); +MODULE_PARM_DESC(membase, "Base port address of first card"); +MODULE_PARM_DESC(act_irq, "IRQ of first card"); +MODULE_PARM_DESC(act_id, "ID-String of first card"); +module_param(act_bus, int, 0); +module_param(act_port, int, 0); +module_param(act_irq, int, 0); +module_param(act_id, charp, 0); + +static int act2000_addcard(int, int, int, char *); + +static act2000_chan * +find_channel(act2000_card *card, int channel) +{ + if ((channel >= 0) && (channel < ACT2000_BCH)) + return &(card->bch[channel]); + printk(KERN_WARNING "act2000: Invalid channel %d\n", channel); + return NULL; +} + +/* + * Free MSN list + */ +static void +act2000_clear_msn(act2000_card *card) +{ + struct msn_entry *p = card->msn_list; + struct msn_entry *q; + unsigned long flags; + + spin_lock_irqsave(&card->lock, flags); + card->msn_list = NULL; + spin_unlock_irqrestore(&card->lock, flags); + while (p) { + q = p->next; + kfree(p); + p = q; + } +} + +/* + * Find an MSN entry in the list. + * If ia5 != 0, return IA5-encoded EAZ, else + * return a bitmask with corresponding bit set. + */ +static __u16 +act2000_find_msn(act2000_card *card, char *msn, int ia5) +{ + struct msn_entry *p = card->msn_list; + __u8 eaz = '0'; + + while (p) { + if (!strcmp(p->msn, msn)) { + eaz = p->eaz; + break; + } + p = p->next; + } + if (!ia5) + return (1 << (eaz - '0')); + else + return eaz; +} + +/* + * Find an EAZ entry in the list. + * return a string with corresponding msn. + */ +char * +act2000_find_eaz(act2000_card *card, char eaz) +{ + struct msn_entry *p = card->msn_list; + + while (p) { + if (p->eaz == eaz) + return (p->msn); + p = p->next; + } + return ("\0"); +} + +/* + * Add or delete an MSN to the MSN list + * + * First character of msneaz is EAZ, rest is MSN. + * If length of eazmsn is 1, delete that entry. + */ +static int +act2000_set_msn(act2000_card *card, char *eazmsn) +{ + struct msn_entry *p = card->msn_list; + struct msn_entry *q = NULL; + unsigned long flags; + int i; + + if (!strlen(eazmsn)) + return 0; + if (strlen(eazmsn) > 16) + return -EINVAL; + for (i = 0; i < strlen(eazmsn); i++) + if (!isdigit(eazmsn[i])) + return -EINVAL; + if (strlen(eazmsn) == 1) { + /* Delete a single MSN */ + while (p) { + if (p->eaz == eazmsn[0]) { + spin_lock_irqsave(&card->lock, flags); + if (q) + q->next = p->next; + else + card->msn_list = p->next; + spin_unlock_irqrestore(&card->lock, flags); + kfree(p); + printk(KERN_DEBUG + "Mapping for EAZ %c deleted\n", + eazmsn[0]); + return 0; + } + q = p; + p = p->next; + } + return 0; + } + /* Add a single MSN */ + while (p) { + /* Found in list, replace MSN */ + if (p->eaz == eazmsn[0]) { + spin_lock_irqsave(&card->lock, flags); + strcpy(p->msn, &eazmsn[1]); + spin_unlock_irqrestore(&card->lock, flags); + printk(KERN_DEBUG + "Mapping for EAZ %c changed to %s\n", + eazmsn[0], + &eazmsn[1]); + return 0; + } + p = p->next; + } + /* Not found in list, add new entry */ + p = kmalloc(sizeof(msn_entry), GFP_KERNEL); + if (!p) + return -ENOMEM; + p->eaz = eazmsn[0]; + strcpy(p->msn, &eazmsn[1]); + p->next = card->msn_list; + spin_lock_irqsave(&card->lock, flags); + card->msn_list = p; + spin_unlock_irqrestore(&card->lock, flags); + printk(KERN_DEBUG + "Mapping %c -> %s added\n", + eazmsn[0], + &eazmsn[1]); + return 0; +} + +static void +act2000_transmit(struct work_struct *work) +{ + struct act2000_card *card = + container_of(work, struct act2000_card, snd_tq); + + switch (card->bus) { + case ACT2000_BUS_ISA: + act2000_isa_send(card); + break; + case ACT2000_BUS_PCMCIA: + case ACT2000_BUS_MCA: + default: + printk(KERN_WARNING + "act2000_transmit: Illegal bustype %d\n", card->bus); + } +} + +static void +act2000_receive(struct work_struct *work) +{ + struct act2000_card *card = + container_of(work, struct act2000_card, poll_tq); + + switch (card->bus) { + case ACT2000_BUS_ISA: + act2000_isa_receive(card); + break; + case ACT2000_BUS_PCMCIA: + case ACT2000_BUS_MCA: + default: + printk(KERN_WARNING + "act2000_receive: Illegal bustype %d\n", card->bus); + } +} + +static void +act2000_poll(unsigned long data) +{ + act2000_card *card = (act2000_card *)data; + unsigned long flags; + + act2000_receive(&card->poll_tq); + spin_lock_irqsave(&card->lock, flags); + mod_timer(&card->ptimer, jiffies + 3); + spin_unlock_irqrestore(&card->lock, flags); +} + +static int +act2000_command(act2000_card *card, isdn_ctrl *c) +{ + ulong a; + act2000_chan *chan; + act2000_cdef cdef; + isdn_ctrl cmd; + char tmp[17]; + int ret; + unsigned long flags; + void __user *arg; + + switch (c->command) { + case ISDN_CMD_IOCTL: + memcpy(&a, c->parm.num, sizeof(ulong)); + arg = (void __user *)a; + switch (c->arg) { + case ACT2000_IOCTL_LOADBOOT: + switch (card->bus) { + case ACT2000_BUS_ISA: + ret = act2000_isa_download(card, + arg); + if (!ret) { + card->flags |= ACT2000_FLAGS_LOADED; + if (!(card->flags & ACT2000_FLAGS_IVALID)) { + card->ptimer.expires = jiffies + 3; + card->ptimer.function = act2000_poll; + card->ptimer.data = (unsigned long)card; + add_timer(&card->ptimer); + } + actcapi_manufacturer_req_errh(card); + } + break; + default: + printk(KERN_WARNING + "act2000: Illegal BUS type %d\n", + card->bus); + ret = -EIO; + } + return ret; + case ACT2000_IOCTL_SETPROTO: + card->ptype = a ? ISDN_PTYPE_EURO : ISDN_PTYPE_1TR6; + if (!(card->flags & ACT2000_FLAGS_RUNNING)) + return 0; + actcapi_manufacturer_req_net(card); + return 0; + case ACT2000_IOCTL_SETMSN: + if (copy_from_user(tmp, arg, + sizeof(tmp))) + return -EFAULT; + if ((ret = act2000_set_msn(card, tmp))) + return ret; + if (card->flags & ACT2000_FLAGS_RUNNING) + return (actcapi_manufacturer_req_msn(card)); + return 0; + case ACT2000_IOCTL_ADDCARD: + if (copy_from_user(&cdef, arg, + sizeof(cdef))) + return -EFAULT; + if (act2000_addcard(cdef.bus, cdef.port, cdef.irq, cdef.id)) + return -EIO; + return 0; + case ACT2000_IOCTL_TEST: + if (!(card->flags & ACT2000_FLAGS_RUNNING)) + return -ENODEV; + return 0; + default: + return -EINVAL; + } + break; + case ISDN_CMD_DIAL: + if (!(card->flags & ACT2000_FLAGS_RUNNING)) + return -ENODEV; + if (!(chan = find_channel(card, c->arg & 0x0f))) + break; + spin_lock_irqsave(&card->lock, flags); + if (chan->fsm_state != ACT2000_STATE_NULL) { + spin_unlock_irqrestore(&card->lock, flags); + printk(KERN_WARNING "Dial on channel with state %d\n", + chan->fsm_state); + return -EBUSY; + } + if (card->ptype == ISDN_PTYPE_EURO) + tmp[0] = act2000_find_msn(card, c->parm.setup.eazmsn, 1); + else + tmp[0] = c->parm.setup.eazmsn[0]; + chan->fsm_state = ACT2000_STATE_OCALL; + chan->callref = 0xffff; + spin_unlock_irqrestore(&card->lock, flags); + ret = actcapi_connect_req(card, chan, c->parm.setup.phone, + tmp[0], c->parm.setup.si1, + c->parm.setup.si2); + if (ret) { + cmd.driver = card->myid; + cmd.command = ISDN_STAT_DHUP; + cmd.arg &= 0x0f; + card->interface.statcallb(&cmd); + } + return ret; + case ISDN_CMD_ACCEPTD: + if (!(card->flags & ACT2000_FLAGS_RUNNING)) + return -ENODEV; + if (!(chan = find_channel(card, c->arg & 0x0f))) + break; + if (chan->fsm_state == ACT2000_STATE_ICALL) + actcapi_select_b2_protocol_req(card, chan); + return 0; + case ISDN_CMD_ACCEPTB: + if (!(card->flags & ACT2000_FLAGS_RUNNING)) + return -ENODEV; + return 0; + case ISDN_CMD_HANGUP: + if (!(card->flags & ACT2000_FLAGS_RUNNING)) + return -ENODEV; + if (!(chan = find_channel(card, c->arg & 0x0f))) + break; + switch (chan->fsm_state) { + case ACT2000_STATE_ICALL: + case ACT2000_STATE_BSETUP: + actcapi_connect_resp(card, chan, 0x15); + break; + case ACT2000_STATE_ACTIVE: + actcapi_disconnect_b3_req(card, chan); + break; + } + return 0; + case ISDN_CMD_SETEAZ: + if (!(card->flags & ACT2000_FLAGS_RUNNING)) + return -ENODEV; + if (!(chan = find_channel(card, c->arg & 0x0f))) + break; + if (strlen(c->parm.num)) { + if (card->ptype == ISDN_PTYPE_EURO) { + chan->eazmask = act2000_find_msn(card, c->parm.num, 0); + } + if (card->ptype == ISDN_PTYPE_1TR6) { + int i; + chan->eazmask = 0; + for (i = 0; i < strlen(c->parm.num); i++) + if (isdigit(c->parm.num[i])) + chan->eazmask |= (1 << (c->parm.num[i] - '0')); + } + } else + chan->eazmask = 0x3ff; + actcapi_listen_req(card); + return 0; + case ISDN_CMD_CLREAZ: + if (!(card->flags & ACT2000_FLAGS_RUNNING)) + return -ENODEV; + if (!(chan = find_channel(card, c->arg & 0x0f))) + break; + chan->eazmask = 0; + actcapi_listen_req(card); + return 0; + case ISDN_CMD_SETL2: + if (!(card->flags & ACT2000_FLAGS_RUNNING)) + return -ENODEV; + if (!(chan = find_channel(card, c->arg & 0x0f))) + break; + chan->l2prot = (c->arg >> 8); + return 0; + case ISDN_CMD_SETL3: + if (!(card->flags & ACT2000_FLAGS_RUNNING)) + return -ENODEV; + if ((c->arg >> 8) != ISDN_PROTO_L3_TRANS) { + printk(KERN_WARNING "L3 protocol unknown\n"); + return -1; + } + if (!(chan = find_channel(card, c->arg & 0x0f))) + break; + chan->l3prot = (c->arg >> 8); + return 0; + } + + return -EINVAL; +} + +static int +act2000_sendbuf(act2000_card *card, int channel, int ack, struct sk_buff *skb) +{ + struct sk_buff *xmit_skb; + int len; + act2000_chan *chan; + actcapi_msg *msg; + + if (!(chan = find_channel(card, channel))) + return -1; + if (chan->fsm_state != ACT2000_STATE_ACTIVE) + return -1; + len = skb->len; + if ((chan->queued + len) >= ACT2000_MAX_QUEUED) + return 0; + if (!len) + return 0; + if (skb_headroom(skb) < 19) { + printk(KERN_WARNING "act2000_sendbuf: Headroom only %d\n", + skb_headroom(skb)); + xmit_skb = alloc_skb(len + 19, GFP_ATOMIC); + if (!xmit_skb) { + printk(KERN_WARNING "act2000_sendbuf: Out of memory\n"); + return 0; + } + skb_reserve(xmit_skb, 19); + skb_copy_from_linear_data(skb, skb_put(xmit_skb, len), len); + } else { + xmit_skb = skb_clone(skb, GFP_ATOMIC); + if (!xmit_skb) { + printk(KERN_WARNING "act2000_sendbuf: Out of memory\n"); + return 0; + } + } + dev_kfree_skb(skb); + msg = (actcapi_msg *)skb_push(xmit_skb, 19); + msg->hdr.len = 19 + len; + msg->hdr.applicationID = 1; + msg->hdr.cmd.cmd = 0x86; + msg->hdr.cmd.subcmd = 0x00; + msg->hdr.msgnum = actcapi_nextsmsg(card); + msg->msg.data_b3_req.datalen = len; + msg->msg.data_b3_req.blocknr = (msg->hdr.msgnum & 0xff); + msg->msg.data_b3_req.fakencci = MAKE_NCCI(chan->plci, 0, chan->ncci); + msg->msg.data_b3_req.flags = ack; /* Will be set to 0 on actual sending */ + actcapi_debug_msg(xmit_skb, 1); + chan->queued += len; + skb_queue_tail(&card->sndq, xmit_skb); + act2000_schedule_tx(card); + return len; +} + + +/* Read the Status-replies from the Interface */ +static int +act2000_readstatus(u_char __user *buf, int len, act2000_card *card) +{ + int count; + u_char __user *p; + + for (p = buf, count = 0; count < len; p++, count++) { + if (card->status_buf_read == card->status_buf_write) + return count; + put_user(*card->status_buf_read++, p); + if (card->status_buf_read > card->status_buf_end) + card->status_buf_read = card->status_buf; + } + return count; +} + +/* + * Find card with given driverId + */ +static inline act2000_card * +act2000_findcard(int driverid) +{ + act2000_card *p = cards; + + while (p) { + if (p->myid == driverid) + return p; + p = p->next; + } + return (act2000_card *) 0; +} + +/* + * Wrapper functions for interface to linklevel + */ +static int +if_command(isdn_ctrl *c) +{ + act2000_card *card = act2000_findcard(c->driver); + + if (card) + return (act2000_command(card, c)); + printk(KERN_ERR + "act2000: if_command %d called with invalid driverId %d!\n", + c->command, c->driver); + return -ENODEV; +} + +static int +if_writecmd(const u_char __user *buf, int len, int id, int channel) +{ + act2000_card *card = act2000_findcard(id); + + if (card) { + if (!(card->flags & ACT2000_FLAGS_RUNNING)) + return -ENODEV; + return (len); + } + printk(KERN_ERR + "act2000: if_writecmd called with invalid driverId!\n"); + return -ENODEV; +} + +static int +if_readstatus(u_char __user *buf, int len, int id, int channel) +{ + act2000_card *card = act2000_findcard(id); + + if (card) { + if (!(card->flags & ACT2000_FLAGS_RUNNING)) + return -ENODEV; + return (act2000_readstatus(buf, len, card)); + } + printk(KERN_ERR + "act2000: if_readstatus called with invalid driverId!\n"); + return -ENODEV; +} + +static int +if_sendbuf(int id, int channel, int ack, struct sk_buff *skb) +{ + act2000_card *card = act2000_findcard(id); + + if (card) { + if (!(card->flags & ACT2000_FLAGS_RUNNING)) + return -ENODEV; + return (act2000_sendbuf(card, channel, ack, skb)); + } + printk(KERN_ERR + "act2000: if_sendbuf called with invalid driverId!\n"); + return -ENODEV; +} + + +/* + * Allocate a new card-struct, initialize it + * link it into cards-list. + */ +static void +act2000_alloccard(int bus, int port, int irq, char *id) +{ + int i; + act2000_card *card; + if (!(card = kzalloc(sizeof(act2000_card), GFP_KERNEL))) { + printk(KERN_WARNING + "act2000: (%s) Could not allocate card-struct.\n", id); + return; + } + spin_lock_init(&card->lock); + spin_lock_init(&card->mnlock); + skb_queue_head_init(&card->sndq); + skb_queue_head_init(&card->rcvq); + skb_queue_head_init(&card->ackq); + INIT_WORK(&card->snd_tq, act2000_transmit); + INIT_WORK(&card->rcv_tq, actcapi_dispatch); + INIT_WORK(&card->poll_tq, act2000_receive); + init_timer(&card->ptimer); + card->interface.owner = THIS_MODULE; + card->interface.channels = ACT2000_BCH; + card->interface.maxbufsize = 4000; + card->interface.command = if_command; + card->interface.writebuf_skb = if_sendbuf; + card->interface.writecmd = if_writecmd; + card->interface.readstat = if_readstatus; + card->interface.features = + ISDN_FEATURE_L2_X75I | + ISDN_FEATURE_L2_HDLC | + ISDN_FEATURE_L3_TRANS | + ISDN_FEATURE_P_UNKNOWN; + card->interface.hl_hdrlen = 20; + card->ptype = ISDN_PTYPE_EURO; + strlcpy(card->interface.id, id, sizeof(card->interface.id)); + for (i = 0; i < ACT2000_BCH; i++) { + card->bch[i].plci = 0x8000; + card->bch[i].ncci = 0x8000; + card->bch[i].l2prot = ISDN_PROTO_L2_X75I; + card->bch[i].l3prot = ISDN_PROTO_L3_TRANS; + } + card->myid = -1; + card->bus = bus; + card->port = port; + card->irq = irq; + card->next = cards; + cards = card; +} + +/* + * register card at linklevel + */ +static int +act2000_registercard(act2000_card *card) +{ + switch (card->bus) { + case ACT2000_BUS_ISA: + break; + case ACT2000_BUS_MCA: + case ACT2000_BUS_PCMCIA: + default: + printk(KERN_WARNING + "act2000: Illegal BUS type %d\n", + card->bus); + return -1; + } + if (!register_isdn(&card->interface)) { + printk(KERN_WARNING + "act2000: Unable to register %s\n", + card->interface.id); + return -1; + } + card->myid = card->interface.channels; + sprintf(card->regname, "act2000-isdn (%s)", card->interface.id); + return 0; +} + +static void +unregister_card(act2000_card *card) +{ + isdn_ctrl cmd; + + cmd.command = ISDN_STAT_UNLOAD; + cmd.driver = card->myid; + card->interface.statcallb(&cmd); + switch (card->bus) { + case ACT2000_BUS_ISA: + act2000_isa_release(card); + break; + case ACT2000_BUS_MCA: + case ACT2000_BUS_PCMCIA: + default: + printk(KERN_WARNING + "act2000: Invalid BUS type %d\n", + card->bus); + break; + } +} + +static int +act2000_addcard(int bus, int port, int irq, char *id) +{ + act2000_card *p; + act2000_card *q = NULL; + int initialized; + int added = 0; + int failed = 0; + int i; + + if (!bus) + bus = ACT2000_BUS_ISA; + if (port != -1) { + /* Port defined, do fixed setup */ + act2000_alloccard(bus, port, irq, id); + } else { + /* No port defined, perform autoprobing. + * This may result in more than one card detected. + */ + switch (bus) { + case ACT2000_BUS_ISA: + for (i = 0; i < ARRAY_SIZE(act2000_isa_ports); i++) + if (act2000_isa_detect(act2000_isa_ports[i])) { + printk(KERN_INFO "act2000: Detected " + "ISA card at port 0x%x\n", + act2000_isa_ports[i]); + act2000_alloccard(bus, + act2000_isa_ports[i], irq, id); + } + break; + case ACT2000_BUS_MCA: + case ACT2000_BUS_PCMCIA: + default: + printk(KERN_WARNING + "act2000: addcard: Invalid BUS type %d\n", bus); + } + } + if (!cards) + return 1; + p = cards; + while (p) { + initialized = 0; + if (!p->interface.statcallb) { + /* Not yet registered. + * Try to register and activate it. + */ + added++; + switch (p->bus) { + case ACT2000_BUS_ISA: + if (act2000_isa_detect(p->port)) { + if (act2000_registercard(p)) + break; + if (act2000_isa_config_port(p, p->port)) { + printk(KERN_WARNING + "act2000: Could not request port 0x%04x\n", + p->port); + unregister_card(p); + p->interface.statcallb = NULL; + break; + } + if (act2000_isa_config_irq(p, p->irq)) { + printk(KERN_INFO + "act2000: No IRQ available, fallback to polling\n"); + /* Fall back to polled operation */ + p->irq = 0; + } + printk(KERN_INFO + "act2000: ISA" + "-type card at port " + "0x%04x ", + p->port); + if (p->irq) + printk("irq %d\n", p->irq); + else + printk("polled\n"); + initialized = 1; + } + break; + case ACT2000_BUS_MCA: + case ACT2000_BUS_PCMCIA: + default: + printk(KERN_WARNING + "act2000: addcard: Invalid BUS type %d\n", + p->bus); + } + } else + /* Card already initialized */ + initialized = 1; + if (initialized) { + /* Init OK, next card ... */ + q = p; + p = p->next; + } else { + /* Init failed, remove card from list, free memory */ + printk(KERN_WARNING + "act2000: Initialization of %s failed\n", + p->interface.id); + if (q) { + q->next = p->next; + kfree(p); + p = q->next; + } else { + cards = p->next; + kfree(p); + p = cards; + } + failed++; + } + } + return (added - failed); +} + +#define DRIVERNAME "IBM Active 2000 ISDN driver" + +static int __init act2000_init(void) +{ + printk(KERN_INFO "%s\n", DRIVERNAME); + if (!cards) + act2000_addcard(act_bus, act_port, act_irq, act_id); + if (!cards) + printk(KERN_INFO "act2000: No cards defined yet\n"); + return 0; +} + +static void __exit act2000_exit(void) +{ + act2000_card *card = cards; + act2000_card *last; + while (card) { + unregister_card(card); + del_timer_sync(&card->ptimer); + card = card->next; + } + card = cards; + while (card) { + last = card; + card = card->next; + act2000_clear_msn(last); + kfree(last); + } + printk(KERN_INFO "%s unloaded\n", DRIVERNAME); +} + +module_init(act2000_init); +module_exit(act2000_exit); |