diff options
Diffstat (limited to 'drivers/isdn/hysdn')
| -rw-r--r-- | drivers/isdn/hysdn/Kconfig | 18 | ||||
| -rw-r--r-- | drivers/isdn/hysdn/Makefile | 11 | ||||
| -rw-r--r-- | drivers/isdn/hysdn/boardergo.c | 445 | ||||
| -rw-r--r-- | drivers/isdn/hysdn/boardergo.h | 100 | ||||
| -rw-r--r-- | drivers/isdn/hysdn/hycapi.c | 798 | ||||
| -rw-r--r-- | drivers/isdn/hysdn/hysdn_boot.c | 398 | ||||
| -rw-r--r-- | drivers/isdn/hysdn/hysdn_defs.h | 284 | ||||
| -rw-r--r-- | drivers/isdn/hysdn/hysdn_init.c | 237 | ||||
| -rw-r--r-- | drivers/isdn/hysdn/hysdn_net.c | 344 | ||||
| -rw-r--r-- | drivers/isdn/hysdn/hysdn_pof.h | 78 | ||||
| -rw-r--r-- | drivers/isdn/hysdn/hysdn_procconf.c | 429 | ||||
| -rw-r--r-- | drivers/isdn/hysdn/hysdn_proclog.c | 433 | ||||
| -rw-r--r-- | drivers/isdn/hysdn/hysdn_sched.c | 197 | ||||
| -rw-r--r-- | drivers/isdn/hysdn/ince1pc.h | 134 |
14 files changed, 3906 insertions, 0 deletions
diff --git a/drivers/isdn/hysdn/Kconfig b/drivers/isdn/hysdn/Kconfig new file mode 100644 index 0000000..c9e4231 --- /dev/null +++ b/drivers/isdn/hysdn/Kconfig @@ -0,0 +1,18 @@ +# +# Config.in for HYSDN ISDN driver +# +config HYSDN + tristate "Hypercope HYSDN cards (Champ, Ergo, Metro) support (module only)" + depends on m && PROC_FS && PCI + help + Say Y here if you have one of Hypercope's active PCI ISDN cards + Champ, Ergo and Metro. You will then get a module called hysdn. + Please read the file <file:Documentation/isdn/README.hysdn> for more + information. + +config HYSDN_CAPI + bool "HYSDN CAPI 2.0 support" + depends on HYSDN && ISDN_CAPI + help + Say Y here if you like to use Hypercope's CAPI 2.0 interface. + diff --git a/drivers/isdn/hysdn/Makefile b/drivers/isdn/hysdn/Makefile new file mode 100644 index 0000000..da63b63 --- /dev/null +++ b/drivers/isdn/hysdn/Makefile @@ -0,0 +1,11 @@ +# Makefile for the hysdn ISDN device driver + +# Each configuration option enables a list of files. + +obj-$(CONFIG_HYSDN) += hysdn.o + +# Multipart objects. + +hysdn-y := hysdn_procconf.o hysdn_proclog.o boardergo.o \ + hysdn_boot.o hysdn_sched.o hysdn_net.o hysdn_init.o +hysdn-$(CONFIG_HYSDN_CAPI) += hycapi.o diff --git a/drivers/isdn/hysdn/boardergo.c b/drivers/isdn/hysdn/boardergo.c new file mode 100644 index 0000000..3eb096f --- /dev/null +++ b/drivers/isdn/hysdn/boardergo.c @@ -0,0 +1,445 @@ +/* $Id: boardergo.c,v 1.5.6.7 2001/11/06 21:58:19 kai Exp $ + * + * Linux driver for HYSDN cards, specific routines for ergo type boards. + * + * Author Werner Cornelius (werner@titro.de) for Hypercope GmbH + * Copyright 1999 by Werner Cornelius (werner@titro.de) + * + * This software may be used and distributed according to the terms + * of the GNU General Public License, incorporated herein by reference. + * + * As all Linux supported cards Champ2, Ergo and Metro2/4 use the same + * DPRAM interface and layout with only minor differences all related + * stuff is done here, not in separate modules. + * + */ + +#include <linux/signal.h> +#include <linux/kernel.h> +#include <linux/ioport.h> +#include <linux/interrupt.h> +#include <linux/vmalloc.h> +#include <linux/delay.h> +#include <asm/io.h> + +#include "hysdn_defs.h" +#include "boardergo.h" + +#define byteout(addr,val) outb(val,addr) +#define bytein(addr) inb(addr) + +/***************************************************/ +/* The cards interrupt handler. Called from system */ +/***************************************************/ +static irqreturn_t +ergo_interrupt(int intno, void *dev_id) +{ + hysdn_card *card = dev_id; /* parameter from irq */ + tErgDpram *dpr; + unsigned long flags; + unsigned char volatile b; + + if (!card) + return IRQ_NONE; /* error -> spurious interrupt */ + if (!card->irq_enabled) + return IRQ_NONE; /* other device interrupting or irq switched off */ + + spin_lock_irqsave(&card->hysdn_lock, flags); /* no further irqs allowed */ + + if (!(bytein(card->iobase + PCI9050_INTR_REG) & PCI9050_INTR_REG_STAT1)) { + spin_unlock_irqrestore(&card->hysdn_lock, flags); /* restore old state */ + return IRQ_NONE; /* no interrupt requested by E1 */ + } + /* clear any pending ints on the board */ + dpr = card->dpram; + b = dpr->ToPcInt; /* clear for ergo */ + b |= dpr->ToPcIntMetro; /* same for metro */ + b |= dpr->ToHyInt; /* and for champ */ + + /* start kernel task immediately after leaving all interrupts */ + if (!card->hw_lock) + schedule_work(&card->irq_queue); + spin_unlock_irqrestore(&card->hysdn_lock, flags); + return IRQ_HANDLED; +} /* ergo_interrupt */ + +/******************************************************************************/ +/* ergo_irq_bh will be called as part of the kernel clearing its shared work */ +/* queue sometime after a call to schedule_work has been made passing our */ +/* work_struct. This task is the only one handling data transfer from or to */ +/* the card after booting. The task may be queued from everywhere */ +/* (interrupts included). */ +/******************************************************************************/ +static void +ergo_irq_bh(struct work_struct *ugli_api) +{ + hysdn_card * card = container_of(ugli_api, hysdn_card, irq_queue); + tErgDpram *dpr; + int again; + unsigned long flags; + + if (card->state != CARD_STATE_RUN) + return; /* invalid call */ + + dpr = card->dpram; /* point to DPRAM */ + + spin_lock_irqsave(&card->hysdn_lock, flags); + if (card->hw_lock) { + spin_unlock_irqrestore(&card->hysdn_lock, flags); /* hardware currently unavailable */ + return; + } + card->hw_lock = 1; /* we now lock the hardware */ + + do { + again = 0; /* assume loop not to be repeated */ + + if (!dpr->ToHyFlag) { + /* we are able to send a buffer */ + + if (hysdn_sched_tx(card, dpr->ToHyBuf, &dpr->ToHySize, &dpr->ToHyChannel, + ERG_TO_HY_BUF_SIZE)) { + dpr->ToHyFlag = 1; /* enable tx */ + again = 1; /* restart loop */ + } + } /* we are able to send a buffer */ + if (dpr->ToPcFlag) { + /* a message has arrived for us, handle it */ + + if (hysdn_sched_rx(card, dpr->ToPcBuf, dpr->ToPcSize, dpr->ToPcChannel)) { + dpr->ToPcFlag = 0; /* we worked the data */ + again = 1; /* restart loop */ + } + } /* a message has arrived for us */ + if (again) { + dpr->ToHyInt = 1; + dpr->ToPcInt = 1; /* interrupt to E1 for all cards */ + } else + card->hw_lock = 0; /* free hardware again */ + } while (again); /* until nothing more to do */ + + spin_unlock_irqrestore(&card->hysdn_lock, flags); +} /* ergo_irq_bh */ + + +/*********************************************************/ +/* stop the card (hardware reset) and disable interrupts */ +/*********************************************************/ +static void +ergo_stopcard(hysdn_card * card) +{ + unsigned long flags; + unsigned char val; + + hysdn_net_release(card); /* first release the net device if existing */ +#ifdef CONFIG_HYSDN_CAPI + hycapi_capi_stop(card); +#endif /* CONFIG_HYSDN_CAPI */ + spin_lock_irqsave(&card->hysdn_lock, flags); + val = bytein(card->iobase + PCI9050_INTR_REG); /* get actual value */ + val &= ~(PCI9050_INTR_REG_ENPCI | PCI9050_INTR_REG_EN1); /* mask irq */ + byteout(card->iobase + PCI9050_INTR_REG, val); + card->irq_enabled = 0; + byteout(card->iobase + PCI9050_USER_IO, PCI9050_E1_RESET); /* reset E1 processor */ + card->state = CARD_STATE_UNUSED; + card->err_log_state = ERRLOG_STATE_OFF; /* currently no log active */ + + spin_unlock_irqrestore(&card->hysdn_lock, flags); +} /* ergo_stopcard */ + +/**************************************************************************/ +/* enable or disable the cards error log. The event is queued if possible */ +/**************************************************************************/ +static void +ergo_set_errlog_state(hysdn_card * card, int on) +{ + unsigned long flags; + + if (card->state != CARD_STATE_RUN) { + card->err_log_state = ERRLOG_STATE_OFF; /* must be off */ + return; + } + spin_lock_irqsave(&card->hysdn_lock, flags); + + if (((card->err_log_state == ERRLOG_STATE_OFF) && !on) || + ((card->err_log_state == ERRLOG_STATE_ON) && on)) { + spin_unlock_irqrestore(&card->hysdn_lock, flags); + return; /* nothing to do */ + } + if (on) + card->err_log_state = ERRLOG_STATE_START; /* request start */ + else + card->err_log_state = ERRLOG_STATE_STOP; /* request stop */ + + spin_unlock_irqrestore(&card->hysdn_lock, flags); + schedule_work(&card->irq_queue); +} /* ergo_set_errlog_state */ + +/******************************************/ +/* test the cards RAM and return 0 if ok. */ +/******************************************/ +static const char TestText[36] = "This Message is filler, why read it"; + +static int +ergo_testram(hysdn_card * card) +{ + tErgDpram *dpr = card->dpram; + + memset(dpr->TrapTable, 0, sizeof(dpr->TrapTable)); /* clear all Traps */ + dpr->ToHyInt = 1; /* E1 INTR state forced */ + + memcpy(&dpr->ToHyBuf[ERG_TO_HY_BUF_SIZE - sizeof(TestText)], TestText, + sizeof(TestText)); + if (memcmp(&dpr->ToHyBuf[ERG_TO_HY_BUF_SIZE - sizeof(TestText)], TestText, + sizeof(TestText))) + return (-1); + + memcpy(&dpr->ToPcBuf[ERG_TO_PC_BUF_SIZE - sizeof(TestText)], TestText, + sizeof(TestText)); + if (memcmp(&dpr->ToPcBuf[ERG_TO_PC_BUF_SIZE - sizeof(TestText)], TestText, + sizeof(TestText))) + return (-1); + + return (0); +} /* ergo_testram */ + +/*****************************************************************************/ +/* this function is intended to write stage 1 boot image to the cards buffer */ +/* this is done in two steps. First the 1024 hi-words are written (offs=0), */ +/* then the 1024 lo-bytes are written. The remaining DPRAM is cleared, the */ +/* PCI-write-buffers flushed and the card is taken out of reset. */ +/* The function then waits for a reaction of the E1 processor or a timeout. */ +/* Negative return values are interpreted as errors. */ +/*****************************************************************************/ +static int +ergo_writebootimg(struct HYSDN_CARD *card, unsigned char *buf, + unsigned long offs) +{ + unsigned char *dst; + tErgDpram *dpram; + int cnt = (BOOT_IMG_SIZE >> 2); /* number of words to move and swap (byte order!) */ + + if (card->debug_flags & LOG_POF_CARD) + hysdn_addlog(card, "ERGO: write bootldr offs=0x%lx ", offs); + + dst = card->dpram; /* pointer to start of DPRAM */ + dst += (offs + ERG_DPRAM_FILL_SIZE); /* offset in the DPRAM */ + while (cnt--) { + *dst++ = *(buf + 1); /* high byte */ + *dst++ = *buf; /* low byte */ + dst += 2; /* point to next longword */ + buf += 2; /* buffer only filled with words */ + } + + /* if low words (offs = 2) have been written, clear the rest of the DPRAM, */ + /* flush the PCI-write-buffer and take the E1 out of reset */ + if (offs) { + memset(card->dpram, 0, ERG_DPRAM_FILL_SIZE); /* fill the DPRAM still not cleared */ + dpram = card->dpram; /* get pointer to dpram structure */ + dpram->ToHyNoDpramErrLog = 0xFF; /* write a dpram register */ + while (!dpram->ToHyNoDpramErrLog); /* reread volatile register to flush PCI */ + + byteout(card->iobase + PCI9050_USER_IO, PCI9050_E1_RUN); /* start E1 processor */ + /* the interrupts are still masked */ + + msleep_interruptible(20); /* Timeout 20ms */ + + if (((tDpramBootSpooler *) card->dpram)->Len != DPRAM_SPOOLER_DATA_SIZE) { + if (card->debug_flags & LOG_POF_CARD) + hysdn_addlog(card, "ERGO: write bootldr no answer"); + return (-ERR_BOOTIMG_FAIL); + } + } /* start_boot_img */ + return (0); /* successful */ +} /* ergo_writebootimg */ + +/********************************************************************************/ +/* ergo_writebootseq writes the buffer containing len bytes to the E1 processor */ +/* using the boot spool mechanism. If everything works fine 0 is returned. In */ +/* case of errors a negative error value is returned. */ +/********************************************************************************/ +static int +ergo_writebootseq(struct HYSDN_CARD *card, unsigned char *buf, int len) +{ + tDpramBootSpooler *sp = (tDpramBootSpooler *) card->dpram; + unsigned char *dst; + unsigned char buflen; + int nr_write; + unsigned char tmp_rdptr; + unsigned char wr_mirror; + int i; + + if (card->debug_flags & LOG_POF_CARD) + hysdn_addlog(card, "ERGO: write boot seq len=%d ", len); + + dst = sp->Data; /* point to data in spool structure */ + buflen = sp->Len; /* maximum len of spooled data */ + wr_mirror = sp->WrPtr; /* only once read */ + + /* try until all bytes written or error */ + i = 0x1000; /* timeout value */ + while (len) { + + /* first determine the number of bytes that may be buffered */ + do { + tmp_rdptr = sp->RdPtr; /* first read the pointer */ + i--; /* decrement timeout */ + } while (i && (tmp_rdptr != sp->RdPtr)); /* wait for stable pointer */ + + if (!i) { + if (card->debug_flags & LOG_POF_CARD) + hysdn_addlog(card, "ERGO: write boot seq timeout"); + return (-ERR_BOOTSEQ_FAIL); /* value not stable -> timeout */ + } + if ((nr_write = tmp_rdptr - wr_mirror - 1) < 0) + nr_write += buflen; /* now we got number of free bytes - 1 in buffer */ + + if (!nr_write) + continue; /* no free bytes in buffer */ + + if (nr_write > len) + nr_write = len; /* limit if last few bytes */ + i = 0x1000; /* reset timeout value */ + + /* now we know how much bytes we may put in the puffer */ + len -= nr_write; /* we savely could adjust len before output */ + while (nr_write--) { + *(dst + wr_mirror) = *buf++; /* output one byte */ + if (++wr_mirror >= buflen) + wr_mirror = 0; + sp->WrPtr = wr_mirror; /* announce the next byte to E1 */ + } /* while (nr_write) */ + + } /* while (len) */ + return (0); +} /* ergo_writebootseq */ + +/***********************************************************************************/ +/* ergo_waitpofready waits for a maximum of 10 seconds for the completition of the */ +/* boot process. If the process has been successful 0 is returned otherwise a */ +/* negative error code is returned. */ +/***********************************************************************************/ +static int +ergo_waitpofready(struct HYSDN_CARD *card) +{ + tErgDpram *dpr = card->dpram; /* pointer to DPRAM structure */ + int timecnt = 10000 / 50; /* timeout is 10 secs max. */ + unsigned long flags; + int msg_size; + int i; + + if (card->debug_flags & LOG_POF_CARD) + hysdn_addlog(card, "ERGO: waiting for pof ready"); + while (timecnt--) { + /* wait until timeout */ + + if (dpr->ToPcFlag) { + /* data has arrived */ + + if ((dpr->ToPcChannel != CHAN_SYSTEM) || + (dpr->ToPcSize < MIN_RDY_MSG_SIZE) || + (dpr->ToPcSize > MAX_RDY_MSG_SIZE) || + ((*(unsigned long *) dpr->ToPcBuf) != RDY_MAGIC)) + break; /* an error occurred */ + + /* Check for additional data delivered during SysReady */ + msg_size = dpr->ToPcSize - RDY_MAGIC_SIZE; + if (msg_size > 0) + if (EvalSysrTokData(card, dpr->ToPcBuf + RDY_MAGIC_SIZE, msg_size)) + break; + + if (card->debug_flags & LOG_POF_RECORD) + hysdn_addlog(card, "ERGO: pof boot success"); + spin_lock_irqsave(&card->hysdn_lock, flags); + + card->state = CARD_STATE_RUN; /* now card is running */ + /* enable the cards interrupt */ + byteout(card->iobase + PCI9050_INTR_REG, + bytein(card->iobase + PCI9050_INTR_REG) | + (PCI9050_INTR_REG_ENPCI | PCI9050_INTR_REG_EN1)); + card->irq_enabled = 1; /* we are ready to receive interrupts */ + + dpr->ToPcFlag = 0; /* reset data indicator */ + dpr->ToHyInt = 1; + dpr->ToPcInt = 1; /* interrupt to E1 for all cards */ + + spin_unlock_irqrestore(&card->hysdn_lock, flags); + if ((hynet_enable & (1 << card->myid)) + && (i = hysdn_net_create(card))) + { + ergo_stopcard(card); + card->state = CARD_STATE_BOOTERR; + return (i); + } +#ifdef CONFIG_HYSDN_CAPI + if((i = hycapi_capi_create(card))) { + printk(KERN_WARNING "HYSDN: failed to create capi-interface.\n"); + } +#endif /* CONFIG_HYSDN_CAPI */ + return (0); /* success */ + } /* data has arrived */ + msleep_interruptible(50); /* Timeout 50ms */ + } /* wait until timeout */ + + if (card->debug_flags & LOG_POF_CARD) + hysdn_addlog(card, "ERGO: pof boot ready timeout"); + return (-ERR_POF_TIMEOUT); +} /* ergo_waitpofready */ + + + +/************************************************************************************/ +/* release the cards hardware. Before releasing do a interrupt disable and hardware */ +/* reset. Also unmap dpram. */ +/* Use only during module release. */ +/************************************************************************************/ +static void +ergo_releasehardware(hysdn_card * card) +{ + ergo_stopcard(card); /* first stop the card if not already done */ + free_irq(card->irq, card); /* release interrupt */ + release_region(card->iobase + PCI9050_INTR_REG, 1); /* release all io ports */ + release_region(card->iobase + PCI9050_USER_IO, 1); + iounmap(card->dpram); + card->dpram = NULL; /* release shared mem */ +} /* ergo_releasehardware */ + + +/*********************************************************************************/ +/* acquire the needed hardware ports and map dpram. If an error occurs a nonzero */ +/* value is returned. */ +/* Use only during module init. */ +/*********************************************************************************/ +int +ergo_inithardware(hysdn_card * card) +{ + if (!request_region(card->iobase + PCI9050_INTR_REG, 1, "HYSDN")) + return (-1); + if (!request_region(card->iobase + PCI9050_USER_IO, 1, "HYSDN")) { + release_region(card->iobase + PCI9050_INTR_REG, 1); + return (-1); /* ports already in use */ + } + card->memend = card->membase + ERG_DPRAM_PAGE_SIZE - 1; + if (!(card->dpram = ioremap(card->membase, ERG_DPRAM_PAGE_SIZE))) { + release_region(card->iobase + PCI9050_INTR_REG, 1); + release_region(card->iobase + PCI9050_USER_IO, 1); + return (-1); + } + + ergo_stopcard(card); /* disable interrupts */ + if (request_irq(card->irq, ergo_interrupt, IRQF_SHARED, "HYSDN", card)) { + ergo_releasehardware(card); /* return the acquired hardware */ + return (-1); + } + /* success, now setup the function pointers */ + card->stopcard = ergo_stopcard; + card->releasehardware = ergo_releasehardware; + card->testram = ergo_testram; + card->writebootimg = ergo_writebootimg; + card->writebootseq = ergo_writebootseq; + card->waitpofready = ergo_waitpofready; + card->set_errlog_state = ergo_set_errlog_state; + INIT_WORK(&card->irq_queue, ergo_irq_bh); + spin_lock_init(&card->hysdn_lock); + + return (0); +} /* ergo_inithardware */ diff --git a/drivers/isdn/hysdn/boardergo.h b/drivers/isdn/hysdn/boardergo.h new file mode 100644 index 0000000..c59422a --- /dev/null +++ b/drivers/isdn/hysdn/boardergo.h @@ -0,0 +1,100 @@ +/* $Id: boardergo.h,v 1.2.6.1 2001/09/23 22:24:54 kai Exp $ + * + * Linux driver for HYSDN cards, definitions for ergo type boards (buffers..). + * + * Author Werner Cornelius (werner@titro.de) for Hypercope GmbH + * Copyright 1999 by Werner Cornelius (werner@titro.de) + * + * This software may be used and distributed according to the terms + * of the GNU General Public License, incorporated herein by reference. + * + */ + + +/************************************************/ +/* defines for the dual port memory of the card */ +/************************************************/ +#define ERG_DPRAM_PAGE_SIZE 0x2000 /* DPRAM occupies a 8K page */ +#define BOOT_IMG_SIZE 4096 +#define ERG_DPRAM_FILL_SIZE (ERG_DPRAM_PAGE_SIZE - BOOT_IMG_SIZE) + +#define ERG_TO_HY_BUF_SIZE 0x0E00 /* 3072 bytes buffer size to card */ +#define ERG_TO_PC_BUF_SIZE 0x0E00 /* 3072 bytes to PC, too */ + +/* following DPRAM layout copied from OS2-driver boarderg.h */ +typedef struct ErgDpram_tag { +/*0000 */ unsigned char ToHyBuf[ERG_TO_HY_BUF_SIZE]; +/*0E00 */ unsigned char ToPcBuf[ERG_TO_PC_BUF_SIZE]; + + /*1C00 */ unsigned char bSoftUart[SIZE_RSV_SOFT_UART]; + /* size 0x1B0 */ + + /*1DB0 *//* tErrLogEntry */ unsigned char volatile ErrLogMsg[64]; + /* size 64 bytes */ + /*1DB0 unsigned long ulErrType; */ + /*1DB4 unsigned long ulErrSubtype; */ + /*1DB8 unsigned long ucTextSize; */ + /*1DB9 unsigned long ucText[ERRLOG_TEXT_SIZE]; *//* ASCIIZ of len ucTextSize-1 */ + /*1DF0 */ + +/*1DF0 */ unsigned short volatile ToHyChannel; +/*1DF2 */ unsigned short volatile ToHySize; + /*1DF4 */ unsigned char volatile ToHyFlag; + /* !=0: msg for Hy waiting */ + /*1DF5 */ unsigned char volatile ToPcFlag; + /* !=0: msg for PC waiting */ +/*1DF6 */ unsigned short volatile ToPcChannel; +/*1DF8 */ unsigned short volatile ToPcSize; + /*1DFA */ unsigned char bRes1DBA[0x1E00 - 0x1DFA]; + /* 6 bytes */ + +/*1E00 */ unsigned char bRestOfEntryTbl[0x1F00 - 0x1E00]; +/*1F00 */ unsigned long TrapTable[62]; + /*1FF8 */ unsigned char bRes1FF8[0x1FFB - 0x1FF8]; + /* low part of reset vetor */ +/*1FFB */ unsigned char ToPcIntMetro; + /* notes: + * - metro has 32-bit boot ram - accessing + * ToPcInt and ToHyInt would be the same; + * so we moved ToPcInt to 1FFB. + * Because on the PC side both vars are + * readonly (reseting on int from E1 to PC), + * we can read both vars on both cards + * without destroying anything. + * - 1FFB is the high byte of the reset vector, + * so E1 side should NOT change this byte + * when writing! + */ +/*1FFC */ unsigned char volatile ToHyNoDpramErrLog; + /* note: ToHyNoDpramErrLog is used to inform + * boot loader, not to use DPRAM based + * ErrLog; when DOS driver is rewritten + * this becomes obsolete + */ +/*1FFD */ unsigned char bRes1FFD; + /*1FFE */ unsigned char ToPcInt; + /* E1_intclear; on CHAMP2: E1_intset */ + /*1FFF */ unsigned char ToHyInt; + /* E1_intset; on CHAMP2: E1_intclear */ +} tErgDpram; + +/**********************************************/ +/* PCI9050 controller local register offsets: */ +/* copied from boarderg.c */ +/**********************************************/ +#define PCI9050_INTR_REG 0x4C /* Interrupt register */ +#define PCI9050_USER_IO 0x51 /* User I/O register */ + + /* bitmask for PCI9050_INTR_REG: */ +#define PCI9050_INTR_REG_EN1 0x01 /* 1= enable (def.), 0= disable */ +#define PCI9050_INTR_REG_POL1 0x02 /* 1= active high (def.), 0= active low */ +#define PCI9050_INTR_REG_STAT1 0x04 /* 1= intr. active, 0= intr. not active (def.) */ +#define PCI9050_INTR_REG_ENPCI 0x40 /* 1= PCI interrupts enable (def.) */ + + /* bitmask for PCI9050_USER_IO: */ +#define PCI9050_USER_IO_EN3 0x02 /* 1= disable , 0= enable (def.) */ +#define PCI9050_USER_IO_DIR3 0x04 /* 1= output (def.), 0= input */ +#define PCI9050_USER_IO_DAT3 0x08 /* 1= high (def.) , 0= low */ + +#define PCI9050_E1_RESET ( PCI9050_USER_IO_DIR3) /* 0x04 */ +#define PCI9050_E1_RUN (PCI9050_USER_IO_DAT3|PCI9050_USER_IO_DIR3) /* 0x0C */ diff --git a/drivers/isdn/hysdn/hycapi.c b/drivers/isdn/hysdn/hycapi.c new file mode 100644 index 0000000..53f6ad1 --- /dev/null +++ b/drivers/isdn/hysdn/hycapi.c @@ -0,0 +1,798 @@ +/* $Id: hycapi.c,v 1.8.6.4 2001/09/23 22:24:54 kai Exp $ + * + * Linux driver for HYSDN cards, CAPI2.0-Interface. + * + * Author Ulrich Albrecht <u.albrecht@hypercope.de> for Hypercope GmbH + * Copyright 2000 by Hypercope GmbH + * + * This software may be used and distributed according to the terms + * of the GNU General Public License, incorporated herein by reference. + * + */ + +#include <linux/module.h> +#include <linux/signal.h> +#include <linux/kernel.h> +#include <linux/skbuff.h> +#include <linux/netdevice.h> + +#define VER_DRIVER 0 +#define VER_CARDTYPE 1 +#define VER_HWID 2 +#define VER_SERIAL 3 +#define VER_OPTION 4 +#define VER_PROTO 5 +#define VER_PROFILE 6 +#define VER_CAPI 7 + +#include "hysdn_defs.h" +#include <linux/kernelcapi.h> + +static char hycapi_revision[]="$Revision: 1.8.6.4 $"; + +unsigned int hycapi_enable = 0xffffffff; +module_param(hycapi_enable, uint, 0); + +typedef struct _hycapi_appl { + unsigned int ctrl_mask; + capi_register_params rp; + struct sk_buff *listen_req[CAPI_MAXCONTR]; +} hycapi_appl; + +static hycapi_appl hycapi_applications[CAPI_MAXAPPL]; + +static u16 hycapi_send_message(struct capi_ctr *ctrl, struct sk_buff *skb); + +static inline int _hycapi_appCheck(int app_id, int ctrl_no) +{ + if((ctrl_no <= 0) || (ctrl_no > CAPI_MAXCONTR) || (app_id <= 0) || + (app_id > CAPI_MAXAPPL)) + { + printk(KERN_ERR "HYCAPI: Invalid request app_id %d for controller %d", app_id, ctrl_no); + return -1; + } + return ((hycapi_applications[app_id-1].ctrl_mask & (1 << (ctrl_no-1))) != 0); +} + +/****************************** +Kernel-Capi callback reset_ctr +******************************/ + +static void +hycapi_reset_ctr(struct capi_ctr *ctrl) +{ + hycapictrl_info *cinfo = ctrl->driverdata; + +#ifdef HYCAPI_PRINTFNAMES + printk(KERN_NOTICE "HYCAPI hycapi_reset_ctr\n"); +#endif + capilib_release(&cinfo->ncci_head); + capi_ctr_reseted(ctrl); +} + +/****************************** +Kernel-Capi callback remove_ctr +******************************/ + +static void +hycapi_remove_ctr(struct capi_ctr *ctrl) +{ + int i; + hycapictrl_info *cinfo = NULL; + hysdn_card *card = NULL; +#ifdef HYCAPI_PRINTFNAMES + printk(KERN_NOTICE "HYCAPI hycapi_remove_ctr\n"); +#endif + cinfo = (hycapictrl_info *)(ctrl->driverdata); + if(!cinfo) { + printk(KERN_ERR "No hycapictrl_info set!"); + return; + } + card = cinfo->card; + capi_ctr_suspend_output(ctrl); + for(i=0; i<CAPI_MAXAPPL;i++) { + if(hycapi_applications[i].listen_req[ctrl->cnr-1]) { + kfree_skb(hycapi_applications[i].listen_req[ctrl->cnr-1]); + hycapi_applications[i].listen_req[ctrl->cnr-1] = NULL; + } + } + detach_capi_ctr(ctrl); + ctrl->driverdata = NULL; + kfree(card->hyctrlinfo); + + + card->hyctrlinfo = NULL; +} + +/*********************************************************** + +Queue a CAPI-message to the controller. + +***********************************************************/ + +static void +hycapi_sendmsg_internal(struct capi_ctr *ctrl, struct sk_buff *skb) +{ + hycapictrl_info *cinfo = (hycapictrl_info *)(ctrl->driverdata); + hysdn_card *card = cinfo->card; + + spin_lock_irq(&cinfo->lock); +#ifdef HYCAPI_PRINTFNAMES + printk(KERN_NOTICE "hycapi_send_message\n"); +#endif + cinfo->skbs[cinfo->in_idx++] = skb; /* add to buffer list */ + if (cinfo->in_idx >= HYSDN_MAX_CAPI_SKB) + cinfo->in_idx = 0; /* wrap around */ + cinfo->sk_count++; /* adjust counter */ + if (cinfo->sk_count >= HYSDN_MAX_CAPI_SKB) { + /* inform upper layers we're full */ + printk(KERN_ERR "HYSDN Card%d: CAPI-buffer overrun!\n", + card->myid); + capi_ctr_suspend_output(ctrl); + } + cinfo->tx_skb = skb; + spin_unlock_irq(&cinfo->lock); + schedule_work(&card->irq_queue); +} + +/*********************************************************** +hycapi_register_internal + +Send down the CAPI_REGISTER-Command to the controller. +This functions will also be used if the adapter has been rebooted to +re-register any applications in the private list. + +************************************************************/ + +static void +hycapi_register_internal(struct capi_ctr *ctrl, __u16 appl, + capi_register_params *rp) +{ + char ExtFeatureDefaults[] = "49 /0/0/0/0,*/1,*/2,*/3,*/4,*/5,*/6,*/7,*/8,*/9,*"; + hycapictrl_info *cinfo = (hycapictrl_info *)(ctrl->driverdata); + hysdn_card *card = cinfo->card; + struct sk_buff *skb; + __u16 len; + __u8 _command = 0xa0, _subcommand = 0x80; + __u16 MessageNumber = 0x0000; + __u16 MessageBufferSize = 0; + int slen = strlen(ExtFeatureDefaults); +#ifdef HYCAPI_PRINTFNAMES + printk(KERN_NOTICE "hycapi_register_appl\n"); +#endif + MessageBufferSize = rp->level3cnt * rp->datablkcnt * rp->datablklen; + + len = CAPI_MSG_BASELEN + 8 + slen + 1; + if (!(skb = alloc_skb(len, GFP_ATOMIC))) { + printk(KERN_ERR "HYSDN card%d: memory squeeze in hycapi_register_appl\n", + card->myid); + return; + } + memcpy(skb_put(skb,sizeof(__u16)), &len, sizeof(__u16)); + memcpy(skb_put(skb,sizeof(__u16)), &appl, sizeof(__u16)); + memcpy(skb_put(skb,sizeof(__u8)), &_command, sizeof(_command)); + memcpy(skb_put(skb,sizeof(__u8)), &_subcommand, sizeof(_subcommand)); + memcpy(skb_put(skb,sizeof(__u16)), &MessageNumber, sizeof(__u16)); + memcpy(skb_put(skb,sizeof(__u16)), &MessageBufferSize, sizeof(__u16)); + memcpy(skb_put(skb,sizeof(__u16)), &(rp->level3cnt), sizeof(__u16)); + memcpy(skb_put(skb,sizeof(__u16)), &(rp->datablkcnt), sizeof(__u16)); + memcpy(skb_put(skb,sizeof(__u16)), &(rp->datablklen), sizeof(__u16)); + memcpy(skb_put(skb,slen), ExtFeatureDefaults, slen); + hycapi_applications[appl-1].ctrl_mask |= (1 << (ctrl->cnr-1)); + hycapi_send_message(ctrl, skb); +} + +/************************************************************ +hycapi_restart_internal + +After an adapter has been rebootet, re-register all applications and +send a LISTEN_REQ (if there has been such a thing ) + +*************************************************************/ + +static void hycapi_restart_internal(struct capi_ctr *ctrl) +{ + int i; + struct sk_buff *skb; +#ifdef HYCAPI_PRINTFNAMES + printk(KERN_WARNING "HYSDN: hycapi_restart_internal"); +#endif + for(i=0; i<CAPI_MAXAPPL; i++) { + if(_hycapi_appCheck(i+1, ctrl->cnr) == 1) { + hycapi_register_internal(ctrl, i+1, + &hycapi_applications[i].rp); + if(hycapi_applications[i].listen_req[ctrl->cnr-1]) { + skb = skb_copy(hycapi_applications[i].listen_req[ctrl->cnr-1], GFP_ATOMIC); + hycapi_sendmsg_internal(ctrl, skb); + } + } + } +} + +/************************************************************* +Register an application. +Error-checking is done for CAPI-compliance. + +The application is recorded in the internal list. +*************************************************************/ + +static void +hycapi_register_appl(struct capi_ctr *ctrl, __u16 appl, + capi_register_params *rp) +{ + int MaxLogicalConnections = 0, MaxBDataBlocks = 0, MaxBDataLen = 0; + hycapictrl_info *cinfo = (hycapictrl_info *)(ctrl->driverdata); + hysdn_card *card = cinfo->card; + int chk = _hycapi_appCheck(appl, ctrl->cnr); + if(chk < 0) { + return; + } + if(chk == 1) { + printk(KERN_INFO "HYSDN: apl %d already registered\n", appl); + return; + } + MaxBDataBlocks = rp->datablkcnt > CAPI_MAXDATAWINDOW ? CAPI_MAXDATAWINDOW : rp->datablkcnt; + rp->datablkcnt = MaxBDataBlocks; + MaxBDataLen = rp->datablklen < 1024 ? 1024 : rp->datablklen ; + rp->datablklen = MaxBDataLen; + + MaxLogicalConnections = rp->level3cnt; + if (MaxLogicalConnections < 0) { + MaxLogicalConnections = card->bchans * -MaxLogicalConnections; + } + if (MaxLogicalConnections == 0) { + MaxLogicalConnections = card->bchans; + } + + rp->level3cnt = MaxLogicalConnections; + memcpy(&hycapi_applications[appl-1].rp, + rp, sizeof(capi_register_params)); +} + +/********************************************************************* + +hycapi_release_internal + +Send down a CAPI_RELEASE to the controller. +*********************************************************************/ + +static void hycapi_release_internal(struct capi_ctr *ctrl, __u16 appl) +{ + hycapictrl_info *cinfo = (hycapictrl_info *)(ctrl->driverdata); + hysdn_card *card = cinfo->card; + struct sk_buff *skb; + __u16 len; + __u8 _command = 0xa1, _subcommand = 0x80; + __u16 MessageNumber = 0x0000; + + capilib_release_appl(&cinfo->ncci_head, appl); + +#ifdef HYCAPI_PRINTFNAMES + printk(KERN_NOTICE "hycapi_release_appl\n"); +#endif + len = CAPI_MSG_BASELEN; + if (!(skb = alloc_skb(len, GFP_ATOMIC))) { + printk(KERN_ERR "HYSDN card%d: memory squeeze in hycapi_register_appl\n", + card->myid); + return; + } + memcpy(skb_put(skb,sizeof(__u16)), &len, sizeof(__u16)); + memcpy(skb_put(skb,sizeof(__u16)), &appl, sizeof(__u16)); + memcpy(skb_put(skb,sizeof(__u8)), &_command, sizeof(_command)); + memcpy(skb_put(skb,sizeof(__u8)), &_subcommand, sizeof(_subcommand)); + memcpy(skb_put(skb,sizeof(__u16)), &MessageNumber, sizeof(__u16)); + hycapi_send_message(ctrl, skb); + hycapi_applications[appl-1].ctrl_mask &= ~(1 << (ctrl->cnr-1)); +} + +/****************************************************************** +hycapi_release_appl + +Release the application from the internal list an remove it's +registration at controller-level +******************************************************************/ + +static void +hycapi_release_appl(struct capi_ctr *ctrl, __u16 appl) +{ + int chk; + + chk = _hycapi_appCheck(appl, ctrl->cnr); + if(chk<0) { + printk(KERN_ERR "HYCAPI: Releasing invalid appl %d on controller %d\n", appl, ctrl->cnr); + return; + } + if(hycapi_applications[appl-1].listen_req[ctrl->cnr-1]) { + kfree_skb(hycapi_applications[appl-1].listen_req[ctrl->cnr-1]); + hycapi_applications[appl-1].listen_req[ctrl->cnr-1] = NULL; + } + if(chk == 1) + { + hycapi_release_internal(ctrl, appl); + } +} + + +/************************************************************** +Kill a single controller. +**************************************************************/ + +int hycapi_capi_release(hysdn_card *card) +{ + hycapictrl_info *cinfo = card->hyctrlinfo; + struct capi_ctr *ctrl; +#ifdef HYCAPI_PRINTFNAMES + printk(KERN_NOTICE "hycapi_capi_release\n"); +#endif + if(cinfo) { + ctrl = &cinfo->capi_ctrl; + hycapi_remove_ctr(ctrl); + } + return 0; +} + +/************************************************************** +hycapi_capi_stop + +Stop CAPI-Output on a card. (e.g. during reboot) +***************************************************************/ + +int hycapi_capi_stop(hysdn_card *card) +{ + hycapictrl_info *cinfo = card->hyctrlinfo; + struct capi_ctr *ctrl; +#ifdef HYCAPI_PRINTFNAMES + printk(KERN_NOTICE "hycapi_capi_stop\n"); +#endif + if(cinfo) { + ctrl = &cinfo->capi_ctrl; +/* ctrl->suspend_output(ctrl); */ + capi_ctr_reseted(ctrl); + } + return 0; +} + +/*************************************************************** +hycapi_send_message + +Send a message to the controller. + +Messages are parsed for their Command/Subcommand-type, and appropriate +action's are performed. + +Note that we have to muck around with a 64Bit-DATA_REQ as there are +firmware-releases that do not check the MsgLen-Indication! + +***************************************************************/ + +static u16 hycapi_send_message(struct capi_ctr *ctrl, struct sk_buff *skb) +{ + __u16 appl_id; + int _len, _len2; + __u8 msghead[64]; + hycapictrl_info *cinfo = ctrl->driverdata; + u16 retval = CAPI_NOERROR; + + appl_id = CAPIMSG_APPID(skb->data); + switch(_hycapi_appCheck(appl_id, ctrl->cnr)) + { + case 0: +/* printk(KERN_INFO "Need to register\n"); */ + hycapi_register_internal(ctrl, + appl_id, + &(hycapi_applications[appl_id-1].rp)); + break; + case 1: + break; + default: + printk(KERN_ERR "HYCAPI: Controller mixup!\n"); + retval = CAPI_ILLAPPNR; + goto out; + } + switch(CAPIMSG_CMD(skb->data)) { + case CAPI_DISCONNECT_B3_RESP: + capilib_free_ncci(&cinfo->ncci_head, appl_id, + CAPIMSG_NCCI(skb->data)); + break; + case CAPI_DATA_B3_REQ: + _len = CAPIMSG_LEN(skb->data); + if (_len > 22) { + _len2 = _len - 22; + skb_copy_from_linear_data(skb, msghead, 22); + skb_copy_to_linear_data_offset(skb, _len2, + msghead, 22); + skb_pull(skb, _len2); + CAPIMSG_SETLEN(skb->data, 22); + retval = capilib_data_b3_req(&cinfo->ncci_head, + CAPIMSG_APPID(skb->data), + CAPIMSG_NCCI(skb->data), + CAPIMSG_MSGID(skb->data)); + } + break; + case CAPI_LISTEN_REQ: + if(hycapi_applications[appl_id-1].listen_req[ctrl->cnr-1]) + { + kfree_skb(hycapi_applications[appl_id-1].listen_req[ctrl->cnr-1]); + hycapi_applications[appl_id-1].listen_req[ctrl->cnr-1] = NULL; + } + if (!(hycapi_applications[appl_id-1].listen_req[ctrl->cnr-1] = skb_copy(skb, GFP_ATOMIC))) + { + printk(KERN_ERR "HYSDN: memory squeeze in private_listen\n"); + } + break; + default: + break; + } + out: + if (retval == CAPI_NOERROR) + hycapi_sendmsg_internal(ctrl, skb); + else + dev_kfree_skb_any(skb); + + return retval; +} + +/********************************************************************* +hycapi_read_proc + +Informations provided in the /proc/capi-entries. + +*********************************************************************/ + +static int hycapi_read_proc(char *page, char **start, off_t off, + int count, int *eof, struct capi_ctr *ctrl) +{ + hycapictrl_info *cinfo = (hycapictrl_info *)(ctrl->driverdata); + hysdn_card *card = cinfo->card; + int len = 0; + char *s; +#ifdef HYCAPI_PRINTFNAMES + printk(KERN_NOTICE "hycapi_read_proc\n"); +#endif + len += sprintf(page+len, "%-16s %s\n", "name", cinfo->cardname); + len += sprintf(page+len, "%-16s 0x%x\n", "io", card->iobase); + len += sprintf(page+len, "%-16s %d\n", "irq", card->irq); + + switch (card->brdtype) { + case BD_PCCARD: s = "HYSDN Hycard"; break; + case BD_ERGO: s = "HYSDN Ergo2"; break; + case BD_METRO: s = "HYSDN Metro4"; break; + case BD_CHAMP2: s = "HYSDN Champ2"; break; + case BD_PLEXUS: s = "HYSDN Plexus30"; break; + default: s = "???"; break; + } + len += sprintf(page+len, "%-16s %s\n", "type", s); + if ((s = cinfo->version[VER_DRIVER]) != NULL) + len += sprintf(page+len, "%-16s %s\n", "ver_driver", s); + if ((s = cinfo->version[VER_CARDTYPE]) != NULL) + len += sprintf(page+len, "%-16s %s\n", "ver_cardtype", s); + if ((s = cinfo->version[VER_SERIAL]) != NULL) + len += sprintf(page+len, "%-16s %s\n", "ver_serial", s); + + len += sprintf(page+len, "%-16s %s\n", "cardname", cinfo->cardname); + + if (off+count >= len) + *eof = 1; + if (len < off) + return 0; + *start = page + off; + return ((count < len-off) ? count : len-off); +} + +/************************************************************** +hycapi_load_firmware + +This does NOT load any firmware, but the callback somehow is needed +on capi-interface registration. + +**************************************************************/ + +static int hycapi_load_firmware(struct capi_ctr *ctrl, capiloaddata *data) +{ +#ifdef HYCAPI_PRINTFNAMES + printk(KERN_NOTICE "hycapi_load_firmware\n"); +#endif + return 0; +} + + +static char *hycapi_procinfo(struct capi_ctr *ctrl) +{ + hycapictrl_info *cinfo = (hycapictrl_info *)(ctrl->driverdata); +#ifdef HYCAPI_PRINTFNAMES + printk(KERN_NOTICE "hycapi_proc_info\n"); +#endif + if (!cinfo) + return ""; + sprintf(cinfo->infobuf, "%s %s 0x%x %d %s", + cinfo->cardname[0] ? cinfo->cardname : "-", + cinfo->version[VER_DRIVER] ? cinfo->version[VER_DRIVER] : "-", + cinfo->card ? cinfo->card->iobase : 0x0, + cinfo->card ? cinfo->card->irq : 0, + hycapi_revision + ); + return cinfo->infobuf; +} + +/****************************************************************** +hycapi_rx_capipkt + +Receive a capi-message. + +All B3_DATA_IND are converted to 64K-extension compatible format. +New nccis are created if necessary. +*******************************************************************/ + +void +hycapi_rx_capipkt(hysdn_card * card, unsigned char *buf, unsigned short len) +{ + struct sk_buff *skb; + hycapictrl_info *cinfo = card->hyctrlinfo; + struct capi_ctr *ctrl; + __u16 ApplId; + __u16 MsgLen, info; + __u16 len2, CapiCmd; + __u32 CP64[2] = {0,0}; +#ifdef HYCAPI_PRINTFNAMES + printk(KERN_NOTICE "hycapi_rx_capipkt\n"); +#endif + if(!cinfo) { + return; + } + ctrl = &cinfo->capi_ctrl; + if(len < CAPI_MSG_BASELEN) { + printk(KERN_ERR "HYSDN Card%d: invalid CAPI-message, length %d!\n", + card->myid, len); + return; + } + MsgLen = CAPIMSG_LEN(buf); + ApplId = CAPIMSG_APPID(buf); + CapiCmd = CAPIMSG_CMD(buf); + + if((CapiCmd == CAPI_DATA_B3_IND) && (MsgLen < 30)) { + len2 = len + (30 - MsgLen); + if (!(skb = alloc_skb(len2, GFP_ATOMIC))) { + printk(KERN_ERR "HYSDN Card%d: incoming packet dropped\n", + card->myid); + return; + } + memcpy(skb_put(skb, MsgLen), buf, MsgLen); + memcpy(skb_put(skb, 2*sizeof(__u32)), CP64, 2* sizeof(__u32)); + memcpy(skb_put(skb, len - MsgLen), buf + MsgLen, + len - MsgLen); + CAPIMSG_SETLEN(skb->data, 30); + } else { + if (!(skb = alloc_skb(len, GFP_ATOMIC))) { + printk(KERN_ERR "HYSDN Card%d: incoming packet dropped\n", + card->myid); + return; + } + memcpy(skb_put(skb, len), buf, len); + } + switch(CAPIMSG_CMD(skb->data)) + { + case CAPI_CONNECT_B3_CONF: +/* Check info-field for error-indication: */ + info = CAPIMSG_U16(skb->data, 12); + switch(info) + { + case 0: + capilib_new_ncci(&cinfo->ncci_head, ApplId, CAPIMSG_NCCI(skb->data), + hycapi_applications[ApplId-1].rp.datablkcnt); + + break; + case 0x0001: + printk(KERN_ERR "HYSDN Card%d: NCPI not supported by current " + "protocol. NCPI ignored.\n", card->myid); + break; + case 0x2001: + printk(KERN_ERR "HYSDN Card%d: Message not supported in" + " current state\n", card->myid); + break; + case 0x2002: + printk(KERN_ERR "HYSDN Card%d: invalid PLCI\n", card->myid); + break; + case 0x2004: + printk(KERN_ERR "HYSDN Card%d: out of NCCI\n", card->myid); + break; + case 0x3008: + printk(KERN_ERR "HYSDN Card%d: NCPI not supported\n", + card->myid); + break; + default: + printk(KERN_ERR "HYSDN Card%d: Info in CONNECT_B3_CONF: %d\n", + card->myid, info); + break; + } + break; + case CAPI_CONNECT_B3_IND: + capilib_new_ncci(&cinfo->ncci_head, ApplId, + CAPIMSG_NCCI(skb->data), + hycapi_applications[ApplId-1].rp.datablkcnt); + break; + case CAPI_DATA_B3_CONF: + capilib_data_b3_conf(&cinfo->ncci_head, ApplId, + CAPIMSG_NCCI(skb->data), + CAPIMSG_MSGID(skb->data)); + break; + default: + break; + } + capi_ctr_handle_message(ctrl, ApplId, skb); +} + +/****************************************************************** +hycapi_tx_capiack + +Internally acknowledge a msg sent. This will remove the msg from the +internal queue. + +*******************************************************************/ + +void hycapi_tx_capiack(hysdn_card * card) +{ + hycapictrl_info *cinfo = card->hyctrlinfo; +#ifdef HYCAPI_PRINTFNAMES + printk(KERN_NOTICE "hycapi_tx_capiack\n"); +#endif + if(!cinfo) { + return; + } + spin_lock_irq(&cinfo->lock); + kfree_skb(cinfo->skbs[cinfo->out_idx]); /* free skb */ + cinfo->skbs[cinfo->out_idx++] = NULL; + if (cinfo->out_idx >= HYSDN_MAX_CAPI_SKB) + cinfo->out_idx = 0; /* wrap around */ + + if (cinfo->sk_count-- == HYSDN_MAX_CAPI_SKB) /* dec usage count */ + capi_ctr_resume_output(&cinfo->capi_ctrl); + spin_unlock_irq(&cinfo->lock); +} + +/*************************************************************** +hycapi_tx_capiget(hysdn_card *card) + +This is called when polling for messages to SEND. + +****************************************************************/ + +struct sk_buff * +hycapi_tx_capiget(hysdn_card *card) +{ + hycapictrl_info *cinfo = card->hyctrlinfo; + if(!cinfo) { + return (struct sk_buff *)NULL; + } + if (!cinfo->sk_count) + return (struct sk_buff *)NULL; /* nothing available */ + + return (cinfo->skbs[cinfo->out_idx]); /* next packet to send */ +} + + +/********************************************************** +int hycapi_init() + +attach the capi-driver to the kernel-capi. + +***********************************************************/ + +int hycapi_init(void) +{ + int i; + for(i=0;i<CAPI_MAXAPPL;i++) { + memset(&(hycapi_applications[i]), 0, sizeof(hycapi_appl)); + } + return(0); +} + +/************************************************************** +hycapi_cleanup(void) + +detach the capi-driver to the kernel-capi. Actually this should +free some more ressources. Do that later. +**************************************************************/ + +void +hycapi_cleanup(void) +{ +} + +/******************************************************************** +hycapi_capi_create(hysdn_card *card) + +Attach the card with its capi-ctrl. +*********************************************************************/ + +static void hycapi_fill_profile(hysdn_card *card) +{ + hycapictrl_info *cinfo = NULL; + struct capi_ctr *ctrl = NULL; + cinfo = card->hyctrlinfo; + if(!cinfo) return; + ctrl = &cinfo->capi_ctrl; + strcpy(ctrl->manu, "Hypercope"); + ctrl->version.majorversion = 2; + ctrl->version.minorversion = 0; + ctrl->version.majormanuversion = 3; + ctrl->version.minormanuversion = 2; + ctrl->profile.ncontroller = card->myid; + ctrl->profile.nbchannel = card->bchans; + ctrl->profile.goptions = GLOBAL_OPTION_INTERNAL_CONTROLLER | + GLOBAL_OPTION_B_CHANNEL_OPERATION; + ctrl->profile.support1 = B1_PROT_64KBIT_HDLC | + (card->faxchans ? B1_PROT_T30 : 0) | + B1_PROT_64KBIT_TRANSPARENT; + ctrl->profile.support2 = B2_PROT_ISO7776 | + (card->faxchans ? B2_PROT_T30 : 0) | + B2_PROT_TRANSPARENT; + ctrl->profile.support3 = B3_PROT_TRANSPARENT | + B3_PROT_T90NL | + (card->faxchans ? B3_PROT_T30 : 0) | + (card->faxchans ? B3_PROT_T30EXT : 0) | + B3_PROT_ISO8208; +} + +int +hycapi_capi_create(hysdn_card *card) +{ + hycapictrl_info *cinfo = NULL; + struct capi_ctr *ctrl = NULL; + int retval; +#ifdef HYCAPI_PRINTFNAMES + printk(KERN_NOTICE "hycapi_capi_create\n"); +#endif + if((hycapi_enable & (1 << card->myid)) == 0) { + return 1; + } + if (!card->hyctrlinfo) { + cinfo = kzalloc(sizeof(hycapictrl_info), GFP_ATOMIC); + if (!cinfo) { + printk(KERN_WARNING "HYSDN: no memory for capi-ctrl.\n"); + return -ENOMEM; + } + card->hyctrlinfo = cinfo; + cinfo->card = card; + spin_lock_init(&cinfo->lock); + INIT_LIST_HEAD(&cinfo->ncci_head); + + switch (card->brdtype) { + case BD_PCCARD: strcpy(cinfo->cardname,"HYSDN Hycard"); break; + case BD_ERGO: strcpy(cinfo->cardname,"HYSDN Ergo2"); break; + case BD_METRO: strcpy(cinfo->cardname,"HYSDN Metro4"); break; + case BD_CHAMP2: strcpy(cinfo->cardname,"HYSDN Champ2"); break; + case BD_PLEXUS: strcpy(cinfo->cardname,"HYSDN Plexus30"); break; + default: strcpy(cinfo->cardname,"HYSDN ???"); break; + } + + ctrl = &cinfo->capi_ctrl; + ctrl->driver_name = "hycapi"; + ctrl->driverdata = cinfo; + ctrl->register_appl = hycapi_register_appl; + ctrl->release_appl = hycapi_release_appl; + ctrl->send_message = hycapi_send_message; + ctrl->load_firmware = hycapi_load_firmware; + ctrl->reset_ctr = hycapi_reset_ctr; + ctrl->procinfo = hycapi_procinfo; + ctrl->ctr_read_proc = hycapi_read_proc; + strcpy(ctrl->name, cinfo->cardname); + ctrl->owner = THIS_MODULE; + + retval = attach_capi_ctr(ctrl); + if (retval) { + printk(KERN_ERR "hycapi: attach controller failed.\n"); + return -EBUSY; + } + /* fill in the blanks: */ + hycapi_fill_profile(card); + capi_ctr_ready(ctrl); + } else { + /* resume output on stopped ctrl */ + ctrl = &card->hyctrlinfo->capi_ctrl; + hycapi_fill_profile(card); + capi_ctr_ready(ctrl); + hycapi_restart_internal(ctrl); +/* ctrl->resume_output(ctrl); */ + } + return 0; +} diff --git a/drivers/isdn/hysdn/hysdn_boot.c b/drivers/isdn/hysdn/hysdn_boot.c new file mode 100644 index 0000000..be787e1 --- /dev/null +++ b/drivers/isdn/hysdn/hysdn_boot.c @@ -0,0 +1,398 @@ +/* $Id: hysdn_boot.c,v 1.4.6.4 2001/09/23 22:24:54 kai Exp $ + * + * Linux driver for HYSDN cards + * specific routines for booting and pof handling + * + * Author Werner Cornelius (werner@titro.de) for Hypercope GmbH + * Copyright 1999 by Werner Cornelius (werner@titro.de) + * + * This software may be used and distributed according to the terms + * of the GNU General Public License, incorporated herein by reference. + * + */ + +#include <linux/vmalloc.h> +#include <linux/slab.h> +#include <asm/uaccess.h> + +#include "hysdn_defs.h" +#include "hysdn_pof.h" + +/********************************/ +/* defines for pof read handler */ +/********************************/ +#define POF_READ_FILE_HEAD 0 +#define POF_READ_TAG_HEAD 1 +#define POF_READ_TAG_DATA 2 + +/************************************************************/ +/* definition of boot specific data area. This data is only */ +/* needed during boot and so allocated dynamically. */ +/************************************************************/ +struct boot_data { + unsigned short Cryptor; /* for use with Decrypt function */ + unsigned short Nrecs; /* records remaining in file */ + unsigned char pof_state;/* actual state of read handler */ + unsigned char is_crypted;/* card data is crypted */ + int BufSize; /* actual number of bytes bufferd */ + int last_error; /* last occurred error */ + unsigned short pof_recid;/* actual pof recid */ + unsigned long pof_reclen;/* total length of pof record data */ + unsigned long pof_recoffset;/* actual offset inside pof record */ + union { + unsigned char BootBuf[BOOT_BUF_SIZE];/* buffer as byte count */ + tPofRecHdr PofRecHdr; /* header for actual record/chunk */ + tPofFileHdr PofFileHdr; /* header from POF file */ + tPofTimeStamp PofTime; /* time information */ + } buf; +}; + +/*****************************************************/ +/* start decryption of successive POF file chuncks. */ +/* */ +/* to be called at start of POF file reading, */ +/* before starting any decryption on any POF record. */ +/*****************************************************/ +static void +StartDecryption(struct boot_data *boot) +{ + boot->Cryptor = CRYPT_STARTTERM; +} /* StartDecryption */ + + +/***************************************************************/ +/* decrypt complete BootBuf */ +/* NOTE: decryption must be applied to all or none boot tags - */ +/* to HI and LO boot loader and (all) seq tags, because */ +/* global Cryptor is started for whole POF. */ +/***************************************************************/ +static void +DecryptBuf(struct boot_data *boot, int cnt) +{ + unsigned char *bufp = boot->buf.BootBuf; + + while (cnt--) { + boot->Cryptor = (boot->Cryptor >> 1) ^ ((boot->Cryptor & 1U) ? CRYPT_FEEDTERM : 0); + *bufp++ ^= (unsigned char)boot->Cryptor; + } +} /* DecryptBuf */ + +/********************************************************************************/ +/* pof_handle_data executes the required actions dependent on the active record */ +/* id. If successful 0 is returned, a negative value shows an error. */ +/********************************************************************************/ +static int +pof_handle_data(hysdn_card * card, int datlen) +{ + struct boot_data *boot = card->boot; /* pointer to boot specific data */ + long l; + unsigned char *imgp; + int img_len; + + /* handle the different record types */ + switch (boot->pof_recid) { + + case TAG_TIMESTMP: + if (card->debug_flags & LOG_POF_RECORD) + hysdn_addlog(card, "POF created %s", boot->buf.PofTime.DateTimeText); + break; + + case TAG_CBOOTDTA: + DecryptBuf(boot, datlen); /* we need to encrypt the buffer */ + case TAG_BOOTDTA: + if (card->debug_flags & LOG_POF_RECORD) + hysdn_addlog(card, "POF got %s len=%d offs=0x%lx", + (boot->pof_recid == TAG_CBOOTDTA) ? "CBOOTDATA" : "BOOTDTA", + datlen, boot->pof_recoffset); + + if (boot->pof_reclen != POF_BOOT_LOADER_TOTAL_SIZE) { + boot->last_error = EPOF_BAD_IMG_SIZE; /* invalid length */ + return (boot->last_error); + } + imgp = boot->buf.BootBuf; /* start of buffer */ + img_len = datlen; /* maximum length to transfer */ + + l = POF_BOOT_LOADER_OFF_IN_PAGE - + (boot->pof_recoffset & (POF_BOOT_LOADER_PAGE_SIZE - 1)); + if (l > 0) { + /* buffer needs to be truncated */ + imgp += l; /* advance pointer */ + img_len -= l; /* adjust len */ + } + /* at this point no special handling for data wrapping over buffer */ + /* is necessary, because the boot image always will be adjusted to */ + /* match a page boundary inside the buffer. */ + /* The buffer for the boot image on the card is filled in 2 cycles */ + /* first the 1024 hi-words are put in the buffer, then the low 1024 */ + /* word are handled in the same way with different offset. */ + + if (img_len > 0) { + /* data available for copy */ + if ((boot->last_error = + card->writebootimg(card, imgp, + (boot->pof_recoffset > POF_BOOT_LOADER_PAGE_SIZE) ? 2 : 0)) < 0) + return (boot->last_error); + } + break; /* end of case boot image hi/lo */ + + case TAG_CABSDATA: + DecryptBuf(boot, datlen); /* we need to encrypt the buffer */ + case TAG_ABSDATA: + if (card->debug_flags & LOG_POF_RECORD) + hysdn_addlog(card, "POF got %s len=%d offs=0x%lx", + (boot->pof_recid == TAG_CABSDATA) ? "CABSDATA" : "ABSDATA", + datlen, boot->pof_recoffset); + + if ((boot->last_error = card->writebootseq(card, boot->buf.BootBuf, datlen) < 0)) + return (boot->last_error); /* error writing data */ + + if (boot->pof_recoffset + datlen >= boot->pof_reclen) + return (card->waitpofready(card)); /* data completely spooled, wait for ready */ + + break; /* end of case boot seq data */ + + default: + if (card->debug_flags & LOG_POF_RECORD) + hysdn_addlog(card, "POF got data(id=0x%lx) len=%d offs=0x%lx", boot->pof_recid, + datlen, boot->pof_recoffset); + + break; /* simply skip record */ + } /* switch boot->pof_recid */ + + return (0); +} /* pof_handle_data */ + + +/******************************************************************************/ +/* pof_write_buffer is called when the buffer has been filled with the needed */ +/* number of data bytes. The number delivered is additionally supplied for */ +/* verification. The functions handles the data and returns the needed number */ +/* of bytes for the next action. If the returned value is 0 or less an error */ +/* occurred and booting must be aborted. */ +/******************************************************************************/ +int +pof_write_buffer(hysdn_card * card, int datlen) +{ + struct boot_data *boot = card->boot; /* pointer to boot specific data */ + + if (!boot) + return (-EFAULT); /* invalid call */ + if (boot->last_error < 0) + return (boot->last_error); /* repeated error */ + + if (card->debug_flags & LOG_POF_WRITE) + hysdn_addlog(card, "POF write: got %d bytes ", datlen); + + switch (boot->pof_state) { + case POF_READ_FILE_HEAD: + if (card->debug_flags & LOG_POF_WRITE) + hysdn_addlog(card, "POF write: checking file header"); + + if (datlen != sizeof(tPofFileHdr)) { + boot->last_error = -EPOF_INTERNAL; + break; + } + if (boot->buf.PofFileHdr.Magic != TAGFILEMAGIC) { + boot->last_error = -EPOF_BAD_MAGIC; + break; + } + /* Setup the new state and vars */ + boot->Nrecs = (unsigned short)(boot->buf.PofFileHdr.N_PofRecs); /* limited to 65535 */ + boot->pof_state = POF_READ_TAG_HEAD; /* now start with single tags */ + boot->last_error = sizeof(tPofRecHdr); /* new length */ + break; + + case POF_READ_TAG_HEAD: + if (card->debug_flags & LOG_POF_WRITE) + hysdn_addlog(card, "POF write: checking tag header"); + + if (datlen != sizeof(tPofRecHdr)) { + boot->last_error = -EPOF_INTERNAL; + break; + } + boot->pof_recid = boot->buf.PofRecHdr.PofRecId; /* actual pof recid */ + boot->pof_reclen = boot->buf.PofRecHdr.PofRecDataLen; /* total length */ + boot->pof_recoffset = 0; /* no starting offset */ + + if (card->debug_flags & LOG_POF_RECORD) + hysdn_addlog(card, "POF: got record id=0x%lx length=%ld ", + boot->pof_recid, boot->pof_reclen); + + boot->pof_state = POF_READ_TAG_DATA; /* now start with tag data */ + if (boot->pof_reclen < BOOT_BUF_SIZE) + boot->last_error = boot->pof_reclen; /* limit size */ + else + boot->last_error = BOOT_BUF_SIZE; /* maximum */ + + if (!boot->last_error) { /* no data inside record */ + boot->pof_state = POF_READ_TAG_HEAD; /* now start with single tags */ + boot->last_error = sizeof(tPofRecHdr); /* new length */ + } + break; + + case POF_READ_TAG_DATA: + if (card->debug_flags & LOG_POF_WRITE) + hysdn_addlog(card, "POF write: getting tag data"); + + if (datlen != boot->last_error) { + boot->last_error = -EPOF_INTERNAL; + break; + } + if ((boot->last_error = pof_handle_data(card, datlen)) < 0) + return (boot->last_error); /* an error occurred */ + boot->pof_recoffset += datlen; + if (boot->pof_recoffset >= boot->pof_reclen) { + boot->pof_state = POF_READ_TAG_HEAD; /* now start with single tags */ + boot->last_error = sizeof(tPofRecHdr); /* new length */ + } else { + if (boot->pof_reclen - boot->pof_recoffset < BOOT_BUF_SIZE) + boot->last_error = boot->pof_reclen - boot->pof_recoffset; /* limit size */ + else + boot->last_error = BOOT_BUF_SIZE; /* maximum */ + } + break; + + default: + boot->last_error = -EPOF_INTERNAL; /* unknown state */ + break; + } /* switch (boot->pof_state) */ + + return (boot->last_error); +} /* pof_write_buffer */ + + +/*******************************************************************************/ +/* pof_write_open is called when an open for boot on the cardlog device occurs. */ +/* The function returns the needed number of bytes for the next operation. If */ +/* the returned number is less or equal 0 an error specified by this code */ +/* occurred. Additionally the pointer to the buffer data area is set on success */ +/*******************************************************************************/ +int +pof_write_open(hysdn_card * card, unsigned char **bufp) +{ + struct boot_data *boot; /* pointer to boot specific data */ + + if (card->boot) { + if (card->debug_flags & LOG_POF_OPEN) + hysdn_addlog(card, "POF open: already opened for boot"); + return (-ERR_ALREADY_BOOT); /* boot already active */ + } + /* error no mem available */ + if (!(boot = kzalloc(sizeof(struct boot_data), GFP_KERNEL))) { + if (card->debug_flags & LOG_MEM_ERR) + hysdn_addlog(card, "POF open: unable to allocate mem"); + return (-EFAULT); + } + card->boot = boot; + card->state = CARD_STATE_BOOTING; + + card->stopcard(card); /* first stop the card */ + if (card->testram(card)) { + if (card->debug_flags & LOG_POF_OPEN) + hysdn_addlog(card, "POF open: DPRAM test failure"); + boot->last_error = -ERR_BOARD_DPRAM; + card->state = CARD_STATE_BOOTERR; /* show boot error */ + return (boot->last_error); + } + boot->BufSize = 0; /* Buffer is empty */ + boot->pof_state = POF_READ_FILE_HEAD; /* read file header */ + StartDecryption(boot); /* if POF File should be encrypted */ + + if (card->debug_flags & LOG_POF_OPEN) + hysdn_addlog(card, "POF open: success"); + + *bufp = boot->buf.BootBuf; /* point to buffer */ + return (sizeof(tPofFileHdr)); +} /* pof_write_open */ + +/********************************************************************************/ +/* pof_write_close is called when an close of boot on the cardlog device occurs. */ +/* The return value must be 0 if everything has happened as desired. */ +/********************************************************************************/ +int +pof_write_close(hysdn_card * card) +{ + struct boot_data *boot = card->boot; /* pointer to boot specific data */ + + if (!boot) + return (-EFAULT); /* invalid call */ + + card->boot = NULL; /* no boot active */ + kfree(boot); + + if (card->state == CARD_STATE_RUN) + card->set_errlog_state(card, 1); /* activate error log */ + + if (card->debug_flags & LOG_POF_OPEN) + hysdn_addlog(card, "POF close: success"); + + return (0); +} /* pof_write_close */ + +/*********************************************************************************/ +/* EvalSysrTokData checks additional records delivered with the Sysready Message */ +/* when POF has been booted. A return value of 0 is used if no error occurred. */ +/*********************************************************************************/ +int +EvalSysrTokData(hysdn_card *card, unsigned char *cp, int len) +{ + u_char *p; + u_char crc; + + if (card->debug_flags & LOG_POF_RECORD) + hysdn_addlog(card, "SysReady Token data length %d", len); + + if (len < 2) { + hysdn_addlog(card, "SysReady Token Data to short"); + return (1); + } + for (p = cp, crc = 0; p < (cp + len - 2); p++) + if ((crc & 0x80)) + crc = (((u_char) (crc << 1)) + 1) + *p; + else + crc = ((u_char) (crc << 1)) + *p; + crc = ~crc; + if (crc != *(cp + len - 1)) { + hysdn_addlog(card, "SysReady Token Data invalid CRC"); + return (1); + } + len--; /* don't check CRC byte */ + while (len > 0) { + + if (*cp == SYSR_TOK_END) + return (0); /* End of Token stream */ + + if (len < (*(cp + 1) + 2)) { + hysdn_addlog(card, "token 0x%x invalid length %d", *cp, *(cp + 1)); + return (1); + } + switch (*cp) { + case SYSR_TOK_B_CHAN: /* 1 */ + if (*(cp + 1) != 1) + return (1); /* length invalid */ + card->bchans = *(cp + 2); + break; + + case SYSR_TOK_FAX_CHAN: /* 2 */ + if (*(cp + 1) != 1) + return (1); /* length invalid */ + card->faxchans = *(cp + 2); + break; + + case SYSR_TOK_MAC_ADDR: /* 3 */ + if (*(cp + 1) != 6) + return (1); /* length invalid */ + memcpy(card->mac_addr, cp + 2, 6); + break; + + default: + hysdn_addlog(card, "unknown token 0x%02x length %d", *cp, *(cp + 1)); + break; + } + len -= (*(cp + 1) + 2); /* adjust len */ + cp += (*(cp + 1) + 2); /* and pointer */ + } + + hysdn_addlog(card, "no end token found"); + return (1); +} /* EvalSysrTokData */ diff --git a/drivers/isdn/hysdn/hysdn_defs.h b/drivers/isdn/hysdn/hysdn_defs.h new file mode 100644 index 0000000..729df40 --- /dev/null +++ b/drivers/isdn/hysdn/hysdn_defs.h @@ -0,0 +1,284 @@ +/* $Id: hysdn_defs.h,v 1.5.6.3 2001/09/23 22:24:54 kai Exp $ + * + * Linux driver for HYSDN cards + * global definitions and exported vars and functions. + * + * Author Werner Cornelius (werner@titro.de) for Hypercope GmbH + * Copyright 1999 by Werner Cornelius (werner@titro.de) + * + * This software may be used and distributed according to the terms + * of the GNU General Public License, incorporated herein by reference. + * + */ + +#ifndef HYSDN_DEFS_H +#define HYSDN_DEFS_H + +#include <linux/hysdn_if.h> +#include <linux/interrupt.h> +#include <linux/workqueue.h> +#include <linux/skbuff.h> + +#include "ince1pc.h" + +#ifdef CONFIG_HYSDN_CAPI +#include <linux/capi.h> +#include <linux/isdn/capicmd.h> +#include <linux/isdn/capiutil.h> +#include <linux/isdn/capilli.h> + +/***************************/ +/* CAPI-Profile values. */ +/***************************/ + +#define GLOBAL_OPTION_INTERNAL_CONTROLLER 0x0001 +#define GLOBAL_OPTION_EXTERNAL_CONTROLLER 0x0002 +#define GLOBAL_OPTION_HANDSET 0x0004 +#define GLOBAL_OPTION_DTMF 0x0008 +#define GLOBAL_OPTION_SUPPL_SERVICES 0x0010 +#define GLOBAL_OPTION_CHANNEL_ALLOCATION 0x0020 +#define GLOBAL_OPTION_B_CHANNEL_OPERATION 0x0040 + +#define B1_PROT_64KBIT_HDLC 0x0001 +#define B1_PROT_64KBIT_TRANSPARENT 0x0002 +#define B1_PROT_V110_ASYNCH 0x0004 +#define B1_PROT_V110_SYNCH 0x0008 +#define B1_PROT_T30 0x0010 +#define B1_PROT_64KBIT_INV_HDLC 0x0020 +#define B1_PROT_56KBIT_TRANSPARENT 0x0040 + +#define B2_PROT_ISO7776 0x0001 +#define B2_PROT_TRANSPARENT 0x0002 +#define B2_PROT_SDLC 0x0004 +#define B2_PROT_LAPD 0x0008 +#define B2_PROT_T30 0x0010 +#define B2_PROT_PPP 0x0020 +#define B2_PROT_TRANSPARENT_IGNORE_B1_FRAMING_ERRORS 0x0040 + +#define B3_PROT_TRANSPARENT 0x0001 +#define B3_PROT_T90NL 0x0002 +#define B3_PROT_ISO8208 0x0004 +#define B3_PROT_X25_DCE 0x0008 +#define B3_PROT_T30 0x0010 +#define B3_PROT_T30EXT 0x0020 + +#define HYSDN_MAXVERSION 8 + +/* Number of sendbuffers in CAPI-queue */ +#define HYSDN_MAX_CAPI_SKB 20 + +#endif /* CONFIG_HYSDN_CAPI*/ + +/************************************************/ +/* constants and bits for debugging/log outputs */ +/************************************************/ +#define LOG_MAX_LINELEN 120 +#define DEB_OUT_SYSLOG 0x80000000 /* output to syslog instead of proc fs */ +#define LOG_MEM_ERR 0x00000001 /* log memory errors like kmalloc failure */ +#define LOG_POF_OPEN 0x00000010 /* log pof open and close activities */ +#define LOG_POF_RECORD 0x00000020 /* log pof record parser */ +#define LOG_POF_WRITE 0x00000040 /* log detailed pof write operation */ +#define LOG_POF_CARD 0x00000080 /* log pof related card functions */ +#define LOG_CNF_LINE 0x00000100 /* all conf lines are put to procfs */ +#define LOG_CNF_DATA 0x00000200 /* non comment conf lines are shown with channel */ +#define LOG_CNF_MISC 0x00000400 /* additional conf line debug outputs */ +#define LOG_SCHED_ASYN 0x00001000 /* debug schedulers async tx routines */ +#define LOG_PROC_OPEN 0x00100000 /* open and close from procfs are logged */ +#define LOG_PROC_ALL 0x00200000 /* all actions from procfs are logged */ +#define LOG_NET_INIT 0x00010000 /* network init and deinit logging */ + +#define DEF_DEB_FLAGS 0x7fff000f /* everything is logged to procfs */ + +/**********************************/ +/* proc filesystem name constants */ +/**********************************/ +#define PROC_SUBDIR_NAME "hysdn" +#define PROC_CONF_BASENAME "cardconf" +#define PROC_LOG_BASENAME "cardlog" + +/***********************************/ +/* PCI 32 bit parms for IO and MEM */ +/***********************************/ +#define PCI_REG_PLX_MEM_BASE 0 +#define PCI_REG_PLX_IO_BASE 1 +#define PCI_REG_MEMORY_BASE 3 + +/**************/ +/* card types */ +/**************/ +#define BD_NONE 0U +#define BD_PERFORMANCE 1U +#define BD_VALUE 2U +#define BD_PCCARD 3U +#define BD_ERGO 4U +#define BD_METRO 5U +#define BD_CHAMP2 6U +#define BD_PLEXUS 7U + +/******************************************************/ +/* defined states for cards shown by reading cardconf */ +/******************************************************/ +#define CARD_STATE_UNUSED 0 /* never been used or booted */ +#define CARD_STATE_BOOTING 1 /* booting is in progress */ +#define CARD_STATE_BOOTERR 2 /* a previous boot was aborted */ +#define CARD_STATE_RUN 3 /* card is active */ + +/*******************************/ +/* defines for error_log_state */ +/*******************************/ +#define ERRLOG_STATE_OFF 0 /* error log is switched off, nothing to do */ +#define ERRLOG_STATE_ON 1 /* error log is switched on, wait for data */ +#define ERRLOG_STATE_START 2 /* start error logging */ +#define ERRLOG_STATE_STOP 3 /* stop error logging */ + +/*******************************/ +/* data structure for one card */ +/*******************************/ +typedef struct HYSDN_CARD { + + /* general variables for the cards */ + int myid; /* own driver card id */ + unsigned char bus; /* pci bus the card is connected to */ + unsigned char devfn; /* slot+function bit encoded */ + unsigned short subsysid;/* PCI subsystem id */ + unsigned char brdtype; /* type of card */ + unsigned int bchans; /* number of available B-channels */ + unsigned int faxchans; /* number of available fax-channels */ + unsigned char mac_addr[6];/* MAC Address read from card */ + unsigned int irq; /* interrupt number */ + unsigned int iobase; /* IO-port base address */ + unsigned long plxbase; /* PLX memory base */ + unsigned long membase; /* DPRAM memory base */ + unsigned long memend; /* DPRAM memory end */ + void *dpram; /* mapped dpram */ + int state; /* actual state of card -> CARD_STATE_** */ + struct HYSDN_CARD *next; /* pointer to next card */ + + /* data areas for the /proc file system */ + void *proclog; /* pointer to proclog filesystem specific data */ + void *procconf; /* pointer to procconf filesystem specific data */ + + /* debugging and logging */ + unsigned char err_log_state;/* actual error log state of the card */ + unsigned long debug_flags;/* tells what should be debugged and where */ + void (*set_errlog_state) (struct HYSDN_CARD *, int); + + /* interrupt handler + interrupt synchronisation */ + struct work_struct irq_queue; /* interrupt task queue */ + unsigned char volatile irq_enabled;/* interrupt enabled if != 0 */ + unsigned char volatile hw_lock;/* hardware is currently locked -> no access */ + + /* boot process */ + void *boot; /* pointer to boot private data */ + int (*writebootimg) (struct HYSDN_CARD *, unsigned char *, unsigned long); + int (*writebootseq) (struct HYSDN_CARD *, unsigned char *, int); + int (*waitpofready) (struct HYSDN_CARD *); + int (*testram) (struct HYSDN_CARD *); + + /* scheduler for data transfer (only async parts) */ + unsigned char async_data[256];/* async data to be sent (normally for config) */ + unsigned short volatile async_len;/* length of data to sent */ + unsigned short volatile async_channel;/* channel number for async transfer */ + int volatile async_busy; /* flag != 0 sending in progress */ + int volatile net_tx_busy; /* a network packet tx is in progress */ + + /* network interface */ + void *netif; /* pointer to network structure */ + + /* init and deinit stopcard for booting, too */ + void (*stopcard) (struct HYSDN_CARD *); + void (*releasehardware) (struct HYSDN_CARD *); + + spinlock_t hysdn_lock; +#ifdef CONFIG_HYSDN_CAPI + struct hycapictrl_info { + char cardname[32]; + spinlock_t lock; + int versionlen; + char versionbuf[1024]; + char *version[HYSDN_MAXVERSION]; + + char infobuf[128]; /* for function procinfo */ + + struct HYSDN_CARD *card; + struct capi_ctr capi_ctrl; + struct sk_buff *skbs[HYSDN_MAX_CAPI_SKB]; + int in_idx, out_idx; /* indexes to buffer ring */ + int sk_count; /* number of buffers currently in ring */ + struct sk_buff *tx_skb; /* buffer for tx operation */ + + struct list_head ncci_head; + } *hyctrlinfo; +#endif /* CONFIG_HYSDN_CAPI */ +} hysdn_card; + +#ifdef CONFIG_HYSDN_CAPI +typedef struct hycapictrl_info hycapictrl_info; +#endif /* CONFIG_HYSDN_CAPI */ + + +/*****************/ +/* exported vars */ +/*****************/ +extern hysdn_card *card_root; /* pointer to first card */ + + + +/*************************/ +/* im/exported functions */ +/*************************/ +extern char *hysdn_getrev(const char *); + +/* hysdn_procconf.c */ +extern int hysdn_procconf_init(void); /* init proc config filesys */ +extern void hysdn_procconf_release(void); /* deinit proc config filesys */ + +/* hysdn_proclog.c */ +extern int hysdn_proclog_init(hysdn_card *); /* init proc log entry */ +extern void hysdn_proclog_release(hysdn_card *); /* deinit proc log entry */ +extern void hysdn_addlog(hysdn_card *, char *,...); /* output data to log */ +extern void hysdn_card_errlog(hysdn_card *, tErrLogEntry *, int); /* output card log */ + +/* boardergo.c */ +extern int ergo_inithardware(hysdn_card * card); /* get hardware -> module init */ + +/* hysdn_boot.c */ +extern int pof_write_close(hysdn_card *); /* close proc file after writing pof */ +extern int pof_write_open(hysdn_card *, unsigned char **); /* open proc file for writing pof */ +extern int pof_write_buffer(hysdn_card *, int); /* write boot data to card */ +extern int EvalSysrTokData(hysdn_card *, unsigned char *, int); /* Check Sysready Token Data */ + +/* hysdn_sched.c */ +extern int hysdn_sched_tx(hysdn_card *, unsigned char *, + unsigned short volatile *, unsigned short volatile *, + unsigned short); +extern int hysdn_sched_rx(hysdn_card *, unsigned char *, unsigned short, + unsigned short); +extern int hysdn_tx_cfgline(hysdn_card *, unsigned char *, + unsigned short); /* send one cfg line */ + +/* hysdn_net.c */ +extern unsigned int hynet_enable; +extern char *hysdn_net_revision; +extern int hysdn_net_create(hysdn_card *); /* create a new net device */ +extern int hysdn_net_release(hysdn_card *); /* delete the device */ +extern char *hysdn_net_getname(hysdn_card *); /* get name of net interface */ +extern void hysdn_tx_netack(hysdn_card *); /* acknowledge a packet tx */ +extern struct sk_buff *hysdn_tx_netget(hysdn_card *); /* get next network packet */ +extern void hysdn_rx_netpkt(hysdn_card *, unsigned char *, + unsigned short); /* rxed packet from network */ + +#ifdef CONFIG_HYSDN_CAPI +extern unsigned int hycapi_enable; +extern int hycapi_capi_create(hysdn_card *); /* create a new capi device */ +extern int hycapi_capi_release(hysdn_card *); /* delete the device */ +extern int hycapi_capi_stop(hysdn_card *card); /* suspend */ +extern void hycapi_rx_capipkt(hysdn_card * card, unsigned char * buf, + unsigned short len); +extern void hycapi_tx_capiack(hysdn_card * card); +extern struct sk_buff *hycapi_tx_capiget(hysdn_card *card); +extern int hycapi_init(void); +extern void hycapi_cleanup(void); +#endif /* CONFIG_HYSDN_CAPI */ + +#endif /* HYSDN_DEFS_H */ diff --git a/drivers/isdn/hysdn/hysdn_init.c b/drivers/isdn/hysdn/hysdn_init.c new file mode 100644 index 0000000..b7cc5c2 --- /dev/null +++ b/drivers/isdn/hysdn/hysdn_init.c @@ -0,0 +1,237 @@ +/* $Id: hysdn_init.c,v 1.6.6.6 2001/09/23 22:24:54 kai Exp $ + * + * Linux driver for HYSDN cards, init functions. + * + * Author Werner Cornelius (werner@titro.de) for Hypercope GmbH + * Copyright 1999 by Werner Cornelius (werner@titro.de) + * + * This software may be used and distributed according to the terms + * of the GNU General Public License, incorporated herein by reference. + * + */ + +#include <linux/module.h> +#include <linux/init.h> +#include <linux/poll.h> +#include <linux/vmalloc.h> +#include <linux/slab.h> +#include <linux/pci.h> + +#include "hysdn_defs.h" + +static struct pci_device_id hysdn_pci_tbl[] = { + { PCI_VENDOR_ID_HYPERCOPE, PCI_DEVICE_ID_HYPERCOPE_PLX, + PCI_ANY_ID, PCI_SUBDEVICE_ID_HYPERCOPE_METRO, 0, 0, BD_METRO }, + { PCI_VENDOR_ID_HYPERCOPE, PCI_DEVICE_ID_HYPERCOPE_PLX, + PCI_ANY_ID, PCI_SUBDEVICE_ID_HYPERCOPE_CHAMP2, 0, 0, BD_CHAMP2 }, + { PCI_VENDOR_ID_HYPERCOPE, PCI_DEVICE_ID_HYPERCOPE_PLX, + PCI_ANY_ID, PCI_SUBDEVICE_ID_HYPERCOPE_ERGO, 0, 0, BD_ERGO }, + { PCI_VENDOR_ID_HYPERCOPE, PCI_DEVICE_ID_HYPERCOPE_PLX, + PCI_ANY_ID, PCI_SUBDEVICE_ID_HYPERCOPE_OLD_ERGO, 0, 0, BD_ERGO }, + + { } /* Terminating entry */ +}; +MODULE_DEVICE_TABLE(pci, hysdn_pci_tbl); +MODULE_DESCRIPTION("ISDN4Linux: Driver for HYSDN cards"); +MODULE_AUTHOR("Werner Cornelius"); +MODULE_LICENSE("GPL"); + +static char *hysdn_init_revision = "$Revision: 1.6.6.6 $"; +static int cardmax; /* number of found cards */ +hysdn_card *card_root = NULL; /* pointer to first card */ +static hysdn_card *card_last = NULL; /* pointer to first card */ + + +/****************************************************************************/ +/* The module startup and shutdown code. Only compiled when used as module. */ +/* Using the driver as module is always advisable, because the booting */ +/* image becomes smaller and the driver code is only loaded when needed. */ +/* Additionally newer versions may be activated without rebooting. */ +/****************************************************************************/ + +/******************************************************/ +/* extract revision number from string for log output */ +/******************************************************/ +char * +hysdn_getrev(const char *revision) +{ + char *rev; + char *p; + + if ((p = strchr(revision, ':'))) { + rev = p + 2; + p = strchr(rev, '$'); + *--p = 0; + } else + rev = "???"; + return rev; +} + + +/****************************************************************************/ +/* init_module is called once when the module is loaded to do all necessary */ +/* things like autodetect... */ +/* If the return value of this function is 0 the init has been successful */ +/* and the module is added to the list in /proc/modules, otherwise an error */ +/* is assumed and the module will not be kept in memory. */ +/****************************************************************************/ + +static int __devinit hysdn_pci_init_one(struct pci_dev *akt_pcidev, + const struct pci_device_id *ent) +{ + hysdn_card *card; + int rc; + + rc = pci_enable_device(akt_pcidev); + if (rc) + return rc; + + if (!(card = kzalloc(sizeof(hysdn_card), GFP_KERNEL))) { + printk(KERN_ERR "HYSDN: unable to alloc device mem \n"); + rc = -ENOMEM; + goto err_out; + } + card->myid = cardmax; /* set own id */ + card->bus = akt_pcidev->bus->number; + card->devfn = akt_pcidev->devfn; /* slot + function */ + card->subsysid = akt_pcidev->subsystem_device; + card->irq = akt_pcidev->irq; + card->iobase = pci_resource_start(akt_pcidev, PCI_REG_PLX_IO_BASE); + card->plxbase = pci_resource_start(akt_pcidev, PCI_REG_PLX_MEM_BASE); + card->membase = pci_resource_start(akt_pcidev, PCI_REG_MEMORY_BASE); + card->brdtype = BD_NONE; /* unknown */ + card->debug_flags = DEF_DEB_FLAGS; /* set default debug */ + card->faxchans = 0; /* default no fax channels */ + card->bchans = 2; /* and 2 b-channels */ + card->brdtype = ent->driver_data; + + if (ergo_inithardware(card)) { + printk(KERN_WARNING "HYSDN: card at io 0x%04x already in use\n", card->iobase); + rc = -EBUSY; + goto err_out_card; + } + + cardmax++; + card->next = NULL; /*end of chain */ + if (card_last) + card_last->next = card; /* pointer to next card */ + else + card_root = card; + card_last = card; /* new chain end */ + + pci_set_drvdata(akt_pcidev, card); + return 0; + +err_out_card: + kfree(card); +err_out: + pci_disable_device(akt_pcidev); + return rc; +} + +static void __devexit hysdn_pci_remove_one(struct pci_dev *akt_pcidev) +{ + hysdn_card *card = pci_get_drvdata(akt_pcidev); + + pci_set_drvdata(akt_pcidev, NULL); + + if (card->stopcard) + card->stopcard(card); + +#ifdef CONFIG_HYSDN_CAPI + hycapi_capi_release(card); +#endif + + if (card->releasehardware) + card->releasehardware(card); /* free all hardware resources */ + + if (card == card_root) { + card_root = card_root->next; + if (!card_root) + card_last = NULL; + } else { + hysdn_card *tmp = card_root; + while (tmp) { + if (tmp->next == card) + tmp->next = card->next; + card_last = tmp; + tmp = tmp->next; + } + } + + kfree(card); + pci_disable_device(akt_pcidev); +} + +static struct pci_driver hysdn_pci_driver = { + .name = "hysdn", + .id_table = hysdn_pci_tbl, + .probe = hysdn_pci_init_one, + .remove = __devexit_p(hysdn_pci_remove_one), +}; + +static int hysdn_have_procfs; + +static int __init +hysdn_init(void) +{ + char tmp[50]; + int rc; + + strcpy(tmp, hysdn_init_revision); + printk(KERN_NOTICE "HYSDN: module Rev: %s loaded\n", hysdn_getrev(tmp)); + strcpy(tmp, hysdn_net_revision); + printk(KERN_NOTICE "HYSDN: network interface Rev: %s \n", hysdn_getrev(tmp)); + + rc = pci_register_driver(&hysdn_pci_driver); + if (rc) + return rc; + + printk(KERN_INFO "HYSDN: %d card(s) found.\n", cardmax); + + if (!hysdn_procconf_init()) + hysdn_have_procfs = 1; + +#ifdef CONFIG_HYSDN_CAPI + if(cardmax > 0) { + if(hycapi_init()) { + printk(KERN_ERR "HYCAPI: init failed\n"); + + if (hysdn_have_procfs) + hysdn_procconf_release(); + + pci_unregister_driver(&hysdn_pci_driver); + return -ESPIPE; + } + } +#endif /* CONFIG_HYSDN_CAPI */ + + return 0; /* no error */ +} /* init_module */ + + +/***********************************************************************/ +/* cleanup_module is called when the module is released by the kernel. */ +/* The routine is only called if init_module has been successful and */ +/* the module counter has a value of 0. Otherwise this function will */ +/* not be called. This function must release all resources still allo- */ +/* cated as after the return from this function the module code will */ +/* be removed from memory. */ +/***********************************************************************/ +static void __exit +hysdn_exit(void) +{ + if (hysdn_have_procfs) + hysdn_procconf_release(); + + pci_unregister_driver(&hysdn_pci_driver); + +#ifdef CONFIG_HYSDN_CAPI + hycapi_cleanup(); +#endif /* CONFIG_HYSDN_CAPI */ + + printk(KERN_NOTICE "HYSDN: module unloaded\n"); +} /* cleanup_module */ + +module_init(hysdn_init); +module_exit(hysdn_exit); diff --git a/drivers/isdn/hysdn/hysdn_net.c b/drivers/isdn/hysdn/hysdn_net.c new file mode 100644 index 0000000..3f2a0a2 --- /dev/null +++ b/drivers/isdn/hysdn/hysdn_net.c @@ -0,0 +1,344 @@ +/* $Id: hysdn_net.c,v 1.8.6.4 2001/09/23 22:24:54 kai Exp $ + * + * Linux driver for HYSDN cards, net (ethernet type) handling routines. + * + * Author Werner Cornelius (werner@titro.de) for Hypercope GmbH + * Copyright 1999 by Werner Cornelius (werner@titro.de) + * + * This software may be used and distributed according to the terms + * of the GNU General Public License, incorporated herein by reference. + * + * This net module has been inspired by the skeleton driver from + * Donald Becker (becker@CESDIS.gsfc.nasa.gov) + * + */ + +#include <linux/module.h> +#include <linux/signal.h> +#include <linux/kernel.h> +#include <linux/netdevice.h> +#include <linux/etherdevice.h> +#include <linux/skbuff.h> +#include <linux/inetdevice.h> + +#include "hysdn_defs.h" + +unsigned int hynet_enable = 0xffffffff; +module_param(hynet_enable, uint, 0); + +/* store the actual version for log reporting */ +char *hysdn_net_revision = "$Revision: 1.8.6.4 $"; + +#define MAX_SKB_BUFFERS 20 /* number of buffers for keeping TX-data */ + +/****************************************************************************/ +/* structure containing the complete network data. The structure is aligned */ +/* in a way that both, the device and statistics are kept inside it. */ +/* for proper access, the device structure MUST be the first var/struct */ +/* inside the definition. */ +/****************************************************************************/ +struct net_local { + struct net_device netdev; /* the network device */ + struct net_device_stats stats; + /* additional vars may be added here */ + char dev_name[9]; /* our own device name */ + + /* Tx control lock. This protects the transmit buffer ring + * state along with the "tx full" state of the driver. This + * means all netif_queue flow control actions are protected + * by this lock as well. + */ + spinlock_t lock; + struct sk_buff *skbs[MAX_SKB_BUFFERS]; /* pointers to tx-skbs */ + int in_idx, out_idx; /* indexes to buffer ring */ + int sk_count; /* number of buffers currently in ring */ +}; /* net_local */ + + +/*****************************************************/ +/* Get the current statistics for this card. */ +/* This may be called with the card open or closed ! */ +/*****************************************************/ +static struct net_device_stats * +net_get_stats(struct net_device *dev) +{ + return (&((struct net_local *) dev)->stats); +} /* net_device_stats */ + +/*********************************************************************/ +/* Open/initialize the board. This is called (in the current kernel) */ +/* sometime after booting when the 'ifconfig' program is run. */ +/* This routine should set everything up anew at each open, even */ +/* registers that "should" only need to be set once at boot, so that */ +/* there is non-reboot way to recover if something goes wrong. */ +/*********************************************************************/ +static int +net_open(struct net_device *dev) +{ + struct in_device *in_dev; + hysdn_card *card = dev->priv; + int i; + + netif_start_queue(dev); /* start tx-queueing */ + + /* Fill in the MAC-level header (if not already set) */ + if (!card->mac_addr[0]) { + for (i = 0; i < ETH_ALEN; i++) + dev->dev_addr[i] = 0xfc; + if ((in_dev = dev->ip_ptr) != NULL) { + struct in_ifaddr *ifa = in_dev->ifa_list; + if (ifa != NULL) + memcpy(dev->dev_addr + (ETH_ALEN - sizeof(ifa->ifa_local)), &ifa->ifa_local, sizeof(ifa->ifa_local)); + } + } else + memcpy(dev->dev_addr, card->mac_addr, ETH_ALEN); + + return (0); +} /* net_open */ + +/*******************************************/ +/* flush the currently occupied tx-buffers */ +/* must only be called when device closed */ +/*******************************************/ +static void +flush_tx_buffers(struct net_local *nl) +{ + + while (nl->sk_count) { + dev_kfree_skb(nl->skbs[nl->out_idx++]); /* free skb */ + if (nl->out_idx >= MAX_SKB_BUFFERS) + nl->out_idx = 0; /* wrap around */ + nl->sk_count--; + } +} /* flush_tx_buffers */ + + +/*********************************************************************/ +/* close/decativate the device. The device is not removed, but only */ +/* deactivated. */ +/*********************************************************************/ +static int +net_close(struct net_device *dev) +{ + + netif_stop_queue(dev); /* disable queueing */ + + flush_tx_buffers((struct net_local *) dev); + + return (0); /* success */ +} /* net_close */ + +/************************************/ +/* send a packet on this interface. */ +/* new style for kernel >= 2.3.33 */ +/************************************/ +static int +net_send_packet(struct sk_buff *skb, struct net_device *dev) +{ + struct net_local *lp = (struct net_local *) dev; + + spin_lock_irq(&lp->lock); + + lp->skbs[lp->in_idx++] = skb; /* add to buffer list */ + if (lp->in_idx >= MAX_SKB_BUFFERS) + lp->in_idx = 0; /* wrap around */ + lp->sk_count++; /* adjust counter */ + dev->trans_start = jiffies; + + /* If we just used up the very last entry in the + * TX ring on this device, tell the queueing + * layer to send no more. + */ + if (lp->sk_count >= MAX_SKB_BUFFERS) + netif_stop_queue(dev); + + /* When the TX completion hw interrupt arrives, this + * is when the transmit statistics are updated. + */ + + spin_unlock_irq(&lp->lock); + + if (lp->sk_count <= 3) { + schedule_work(&((hysdn_card *) dev->priv)->irq_queue); + } + return (0); /* success */ +} /* net_send_packet */ + + + +/***********************************************************************/ +/* acknowlegde a packet send. The network layer will be informed about */ +/* completion */ +/***********************************************************************/ +void +hysdn_tx_netack(hysdn_card * card) +{ + struct net_local *lp = card->netif; + + if (!lp) + return; /* non existing device */ + + + if (!lp->sk_count) + return; /* error condition */ + + lp->stats.tx_packets++; + lp->stats.tx_bytes += lp->skbs[lp->out_idx]->len; + + dev_kfree_skb(lp->skbs[lp->out_idx++]); /* free skb */ + if (lp->out_idx >= MAX_SKB_BUFFERS) + lp->out_idx = 0; /* wrap around */ + + if (lp->sk_count-- == MAX_SKB_BUFFERS) /* dec usage count */ + netif_start_queue((struct net_device *) lp); +} /* hysdn_tx_netack */ + +/*****************************************************/ +/* we got a packet from the network, go and queue it */ +/*****************************************************/ +void +hysdn_rx_netpkt(hysdn_card * card, unsigned char *buf, unsigned short len) +{ + struct net_local *lp = card->netif; + struct sk_buff *skb; + + if (!lp) + return; /* non existing device */ + + lp->stats.rx_bytes += len; + + skb = dev_alloc_skb(len); + if (skb == NULL) { + printk(KERN_NOTICE "%s: Memory squeeze, dropping packet.\n", + lp->netdev.name); + lp->stats.rx_dropped++; + return; + } + /* copy the data */ + memcpy(skb_put(skb, len), buf, len); + + /* determine the used protocol */ + skb->protocol = eth_type_trans(skb, &lp->netdev); + + netif_rx(skb); + lp->stats.rx_packets++; /* adjust packet count */ + +} /* hysdn_rx_netpkt */ + +/*****************************************************/ +/* return the pointer to a network packet to be send */ +/*****************************************************/ +struct sk_buff * +hysdn_tx_netget(hysdn_card * card) +{ + struct net_local *lp = card->netif; + + if (!lp) + return (NULL); /* non existing device */ + + if (!lp->sk_count) + return (NULL); /* nothing available */ + + return (lp->skbs[lp->out_idx]); /* next packet to send */ +} /* hysdn_tx_netget */ + + +/*******************************************/ +/* init function called by register device */ +/*******************************************/ +static int +net_init(struct net_device *dev) +{ + /* setup the function table */ + dev->open = net_open; + dev->stop = net_close; + dev->hard_start_xmit = net_send_packet; + dev->get_stats = net_get_stats; + + /* Fill in the fields of the device structure with ethernet values. */ + ether_setup(dev); + + return (0); /* success */ +} /* net_init */ + +/*****************************************************************************/ +/* hysdn_net_create creates a new net device for the given card. If a device */ +/* already exists, it will be deleted and created a new one. The return value */ +/* 0 announces success, else a negative error code will be returned. */ +/*****************************************************************************/ +int +hysdn_net_create(hysdn_card * card) +{ + struct net_device *dev; + int i; + if(!card) { + printk(KERN_WARNING "No card-pt in hysdn_net_create!\n"); + return (-ENOMEM); + } + hysdn_net_release(card); /* release an existing net device */ + if ((dev = kzalloc(sizeof(struct net_local), GFP_KERNEL)) == NULL) { + printk(KERN_WARNING "HYSDN: unable to allocate mem\n"); + return (-ENOMEM); + } + + spin_lock_init(&((struct net_local *) dev)->lock); + + /* initialise necessary or informing fields */ + dev->base_addr = card->iobase; /* IO address */ + dev->irq = card->irq; /* irq */ + dev->init = net_init; /* the init function of the device */ + if(dev->name) { + strcpy(dev->name, ((struct net_local *) dev)->dev_name); + } + if ((i = register_netdev(dev))) { + printk(KERN_WARNING "HYSDN: unable to create network device\n"); + kfree(dev); + return (i); + } + dev->priv = card; /* remember pointer to own data structure */ + card->netif = dev; /* setup the local pointer */ + + if (card->debug_flags & LOG_NET_INIT) + hysdn_addlog(card, "network device created"); + return (0); /* and return success */ +} /* hysdn_net_create */ + +/***************************************************************************/ +/* hysdn_net_release deletes the net device for the given card. The return */ +/* value 0 announces success, else a negative error code will be returned. */ +/***************************************************************************/ +int +hysdn_net_release(hysdn_card * card) +{ + struct net_device *dev = card->netif; + + if (!dev) + return (0); /* non existing */ + + card->netif = NULL; /* clear out pointer */ + dev->stop(dev); /* close the device */ + + flush_tx_buffers((struct net_local *) dev); /* empty buffers */ + + unregister_netdev(dev); /* release the device */ + free_netdev(dev); /* release the memory allocated */ + if (card->debug_flags & LOG_NET_INIT) + hysdn_addlog(card, "network device deleted"); + + return (0); /* always successful */ +} /* hysdn_net_release */ + +/*****************************************************************************/ +/* hysdn_net_getname returns a pointer to the name of the network interface. */ +/* if the interface is not existing, a "-" is returned. */ +/*****************************************************************************/ +char * +hysdn_net_getname(hysdn_card * card) +{ + struct net_device *dev = card->netif; + + if (!dev) + return ("-"); /* non existing */ + + return (dev->name); +} /* hysdn_net_getname */ diff --git a/drivers/isdn/hysdn/hysdn_pof.h b/drivers/isdn/hysdn/hysdn_pof.h new file mode 100644 index 0000000..3a72b90 --- /dev/null +++ b/drivers/isdn/hysdn/hysdn_pof.h @@ -0,0 +1,78 @@ +/* $Id: hysdn_pof.h,v 1.2.6.1 2001/09/23 22:24:54 kai Exp $ + * + * Linux driver for HYSDN cards, definitions used for handling pof-files. + * + * Author Werner Cornelius (werner@titro.de) for Hypercope GmbH + * Copyright 1999 by Werner Cornelius (werner@titro.de) + * + * This software may be used and distributed according to the terms + * of the GNU General Public License, incorporated herein by reference. + * + */ + +/************************/ +/* POF specific defines */ +/************************/ +#define BOOT_BUF_SIZE 0x1000 /* =4096, maybe moved to other h file */ +#define CRYPT_FEEDTERM 0x8142 +#define CRYPT_STARTTERM 0x81a5 + /* max. timeout time in seconds + * from end of booting to POF is ready + */ +#define POF_READY_TIME_OUT_SEC 10 + +/**********************************/ +/* defines for 1.stage boot image */ +/**********************************/ + +/* the POF file record containing the boot loader image + * has 2 pages a 16KB: + * 1. page contains the high 16-bit part of the 32-bit E1 words + * 2. page contains the low 16-bit part of the 32-bit E1 words + * + * In each 16KB page we assume the start of the boot loader code + * in the highest 2KB part (at offset 0x3800); + * the rest (0x0000..0x37FF) is assumed to contain 0 bytes. + */ + +#define POF_BOOT_LOADER_PAGE_SIZE 0x4000 /* =16384U */ +#define POF_BOOT_LOADER_TOTAL_SIZE (2U*POF_BOOT_LOADER_PAGE_SIZE) + +#define POF_BOOT_LOADER_CODE_SIZE 0x0800 /* =2KB =2048U */ + + /* offset in boot page, where loader code may start */ + /* =0x3800= 14336U */ +#define POF_BOOT_LOADER_OFF_IN_PAGE (POF_BOOT_LOADER_PAGE_SIZE-POF_BOOT_LOADER_CODE_SIZE) + + +/*--------------------------------------POF file record structs------------*/ +typedef struct PofFileHdr_tag { /* Pof file header */ +/*00 */ unsigned long Magic __attribute__((packed)); +/*04 */ unsigned long N_PofRecs __attribute__((packed)); +/*08 */ +} tPofFileHdr; + +typedef struct PofRecHdr_tag { /* Pof record header */ +/*00 */ unsigned short PofRecId __attribute__((packed)); +/*02 */ unsigned long PofRecDataLen __attribute__((packed)); +/*06 */ +} tPofRecHdr; + +typedef struct PofTimeStamp_tag { +/*00 */ unsigned long UnixTime __attribute__((packed)); + /*04 */ unsigned char DateTimeText[0x28]; + /* =40 */ +/*2C */ +} tPofTimeStamp; + + /* tPofFileHdr.Magic value: */ +#define TAGFILEMAGIC 0x464F501AUL + /* tPofRecHdr.PofRecId values: */ +#define TAG_ABSDATA 0x1000 /* abs. data */ +#define TAG_BOOTDTA 0x1001 /* boot data */ +#define TAG_COMMENT 0x0020 +#define TAG_SYSCALL 0x0021 +#define TAG_FLOWCTRL 0x0022 +#define TAG_TIMESTMP 0x0010 /* date/time stamp of version */ +#define TAG_CABSDATA 0x1100 /* crypted abs. data */ +#define TAG_CBOOTDTA 0x1101 /* crypted boot data */ diff --git a/drivers/isdn/hysdn/hysdn_procconf.c b/drivers/isdn/hysdn/hysdn_procconf.c new file mode 100644 index 0000000..484299b --- /dev/null +++ b/drivers/isdn/hysdn/hysdn_procconf.c @@ -0,0 +1,429 @@ +/* $Id: hysdn_procconf.c,v 1.8.6.4 2001/09/23 22:24:54 kai Exp $ + * + * Linux driver for HYSDN cards, /proc/net filesystem dir and conf functions. + * + * written by Werner Cornelius (werner@titro.de) for Hypercope GmbH + * + * Copyright 1999 by Werner Cornelius (werner@titro.de) + * + * This software may be used and distributed according to the terms + * of the GNU General Public License, incorporated herein by reference. + * + */ + +#include <linux/module.h> +#include <linux/poll.h> +#include <linux/proc_fs.h> +#include <linux/pci.h> +#include <linux/smp_lock.h> +#include <net/net_namespace.h> + +#include "hysdn_defs.h" + +static char *hysdn_procconf_revision = "$Revision: 1.8.6.4 $"; + +#define INFO_OUT_LEN 80 /* length of info line including lf */ + +/********************************************************/ +/* defines and data structure for conf write operations */ +/********************************************************/ +#define CONF_STATE_DETECT 0 /* waiting for detect */ +#define CONF_STATE_CONF 1 /* writing config data */ +#define CONF_STATE_POF 2 /* writing pof data */ +#define CONF_LINE_LEN 255 /* 255 chars max */ + +struct conf_writedata { + hysdn_card *card; /* card the device is connected to */ + int buf_size; /* actual number of bytes in the buffer */ + int needed_size; /* needed size when reading pof */ + int state; /* actual interface states from above constants */ + unsigned char conf_line[CONF_LINE_LEN]; /* buffered conf line */ + unsigned short channel; /* active channel number */ + unsigned char *pof_buffer; /* buffer when writing pof */ +}; + +/***********************************************************************/ +/* process_line parses one config line and transfers it to the card if */ +/* necessary. */ +/* if the return value is negative an error occurred. */ +/***********************************************************************/ +static int +process_line(struct conf_writedata *cnf) +{ + unsigned char *cp = cnf->conf_line; + int i; + + if (cnf->card->debug_flags & LOG_CNF_LINE) + hysdn_addlog(cnf->card, "conf line: %s", cp); + + if (*cp == '-') { /* option */ + cp++; /* point to option char */ + + if (*cp++ != 'c') + return (0); /* option unknown or used */ + i = 0; /* start value for channel */ + while ((*cp <= '9') && (*cp >= '0')) + i = i * 10 + *cp++ - '0'; /* get decimal number */ + if (i > 65535) { + if (cnf->card->debug_flags & LOG_CNF_MISC) + hysdn_addlog(cnf->card, "conf channel invalid %d", i); + return (-ERR_INV_CHAN); /* invalid channel */ + } + cnf->channel = i & 0xFFFF; /* set new channel number */ + return (0); /* success */ + } /* option */ + if (*cp == '*') { /* line to send */ + if (cnf->card->debug_flags & LOG_CNF_DATA) + hysdn_addlog(cnf->card, "conf chan=%d %s", cnf->channel, cp); + return (hysdn_tx_cfgline(cnf->card, cnf->conf_line + 1, + cnf->channel)); /* send the line without * */ + } /* line to send */ + return (0); +} /* process_line */ + +/***********************************/ +/* conf file operations and tables */ +/***********************************/ + +/****************************************************/ +/* write conf file -> boot or send cfg line to card */ +/****************************************************/ +static ssize_t +hysdn_conf_write(struct file *file, const char __user *buf, size_t count, loff_t * off) +{ + struct conf_writedata *cnf; + int i; + unsigned char ch, *cp; + + if (!count) + return (0); /* nothing to handle */ + + if (!(cnf = file->private_data)) + return (-EFAULT); /* should never happen */ + + if (cnf->state == CONF_STATE_DETECT) { /* auto detect cnf or pof data */ + if (copy_from_user(&ch, buf, 1)) /* get first char for detect */ + return (-EFAULT); + + if (ch == 0x1A) { + /* we detected a pof file */ + if ((cnf->needed_size = pof_write_open(cnf->card, &cnf->pof_buffer)) <= 0) + return (cnf->needed_size); /* an error occurred -> exit */ + cnf->buf_size = 0; /* buffer is empty */ + cnf->state = CONF_STATE_POF; /* new state */ + } else { + /* conf data has been detected */ + cnf->buf_size = 0; /* buffer is empty */ + cnf->state = CONF_STATE_CONF; /* requested conf data write */ + if (cnf->card->state != CARD_STATE_RUN) + return (-ERR_NOT_BOOTED); + cnf->conf_line[CONF_LINE_LEN - 1] = 0; /* limit string length */ + cnf->channel = 4098; /* default channel for output */ + } + } /* state was auto detect */ + if (cnf->state == CONF_STATE_POF) { /* pof write active */ + i = cnf->needed_size - cnf->buf_size; /* bytes still missing for write */ + if (i <= 0) + return (-EINVAL); /* size error handling pof */ + + if (i < count) + count = i; /* limit requested number of bytes */ + if (copy_from_user(cnf->pof_buffer + cnf->buf_size, buf, count)) + return (-EFAULT); /* error while copying */ + cnf->buf_size += count; + + if (cnf->needed_size == cnf->buf_size) { + cnf->needed_size = pof_write_buffer(cnf->card, cnf->buf_size); /* write data */ + if (cnf->needed_size <= 0) { + cnf->card->state = CARD_STATE_BOOTERR; /* show boot error */ + return (cnf->needed_size); /* an error occurred */ + } + cnf->buf_size = 0; /* buffer is empty again */ + } + } + /* pof write active */ + else { /* conf write active */ + + if (cnf->card->state != CARD_STATE_RUN) { + if (cnf->card->debug_flags & LOG_CNF_MISC) + hysdn_addlog(cnf->card, "cnf write denied -> not booted"); + return (-ERR_NOT_BOOTED); + } + i = (CONF_LINE_LEN - 1) - cnf->buf_size; /* bytes available in buffer */ + if (i > 0) { + /* copy remaining bytes into buffer */ + + if (count > i) + count = i; /* limit transfer */ + if (copy_from_user(cnf->conf_line + cnf->buf_size, buf, count)) + return (-EFAULT); /* error while copying */ + + i = count; /* number of chars in buffer */ + cp = cnf->conf_line + cnf->buf_size; + while (i) { + /* search for end of line */ + if ((*cp < ' ') && (*cp != 9)) + break; /* end of line found */ + cp++; + i--; + } /* search for end of line */ + + if (i) { + /* delimiter found */ + *cp++ = 0; /* string termination */ + count -= (i - 1); /* subtract remaining bytes from count */ + while ((i) && (*cp < ' ') && (*cp != 9)) { + i--; /* discard next char */ + count++; /* mark as read */ + cp++; /* next char */ + } + cnf->buf_size = 0; /* buffer is empty after transfer */ + if ((i = process_line(cnf)) < 0) /* handle the line */ + count = i; /* return the error */ + } + /* delimiter found */ + else { + cnf->buf_size += count; /* add chars to string */ + if (cnf->buf_size >= CONF_LINE_LEN - 1) { + if (cnf->card->debug_flags & LOG_CNF_MISC) + hysdn_addlog(cnf->card, "cnf line too long %d chars pos %d", cnf->buf_size, count); + return (-ERR_CONF_LONG); + } + } /* not delimited */ + + } + /* copy remaining bytes into buffer */ + else { + if (cnf->card->debug_flags & LOG_CNF_MISC) + hysdn_addlog(cnf->card, "cnf line too long"); + return (-ERR_CONF_LONG); + } + } /* conf write active */ + + return (count); +} /* hysdn_conf_write */ + +/*******************************************/ +/* read conf file -> output card info data */ +/*******************************************/ +static ssize_t +hysdn_conf_read(struct file *file, char __user *buf, size_t count, loff_t *off) +{ + char *cp; + + if (!(file->f_mode & FMODE_READ)) + return -EPERM; /* no permission to read */ + + if (!(cp = file->private_data)) + return -EFAULT; /* should never happen */ + + return simple_read_from_buffer(buf, count, off, cp, strlen(cp)); +} /* hysdn_conf_read */ + +/******************/ +/* open conf file */ +/******************/ +static int +hysdn_conf_open(struct inode *ino, struct file *filep) +{ + hysdn_card *card; + struct proc_dir_entry *pd; + struct conf_writedata *cnf; + char *cp, *tmp; + + /* now search the addressed card */ + lock_kernel(); + card = card_root; + while (card) { + pd = card->procconf; + if (pd == PDE(ino)) + break; + card = card->next; /* search next entry */ + } + if (!card) { + unlock_kernel(); + return (-ENODEV); /* device is unknown/invalid */ + } + if (card->debug_flags & (LOG_PROC_OPEN | LOG_PROC_ALL)) + hysdn_addlog(card, "config open for uid=%d gid=%d mode=0x%x", + filep->f_uid, filep->f_gid, filep->f_mode); + + if ((filep->f_mode & (FMODE_READ | FMODE_WRITE)) == FMODE_WRITE) { + /* write only access -> write boot file or conf line */ + + if (!(cnf = kmalloc(sizeof(struct conf_writedata), GFP_KERNEL))) { + unlock_kernel(); + return (-EFAULT); + } + cnf->card = card; + cnf->buf_size = 0; /* nothing buffered */ + cnf->state = CONF_STATE_DETECT; /* start auto detect */ + filep->private_data = cnf; + + } else if ((filep->f_mode & (FMODE_READ | FMODE_WRITE)) == FMODE_READ) { + /* read access -> output card info data */ + + if (!(tmp = kmalloc(INFO_OUT_LEN * 2 + 2, GFP_KERNEL))) { + unlock_kernel(); + return (-EFAULT); /* out of memory */ + } + filep->private_data = tmp; /* start of string */ + + /* first output a headline */ + sprintf(tmp, "id bus slot type irq iobase dp-mem b-chans fax-chans state device"); + cp = tmp; /* start of string */ + while (*cp) + cp++; + while (((cp - tmp) % (INFO_OUT_LEN + 1)) != INFO_OUT_LEN) + *cp++ = ' '; + *cp++ = '\n'; + + /* and now the data */ + sprintf(cp, "%d %3d %4d %4d %3d 0x%04x 0x%08lx %7d %9d %3d %s", + card->myid, + card->bus, + PCI_SLOT(card->devfn), + card->brdtype, + card->irq, + card->iobase, + card->membase, + card->bchans, + card->faxchans, + card->state, + hysdn_net_getname(card)); + while (*cp) + cp++; + while (((cp - tmp) % (INFO_OUT_LEN + 1)) != INFO_OUT_LEN) + *cp++ = ' '; + *cp++ = '\n'; + *cp = 0; /* end of string */ + } else { /* simultaneous read/write access forbidden ! */ + unlock_kernel(); + return (-EPERM); /* no permission this time */ + } + unlock_kernel(); + return nonseekable_open(ino, filep); +} /* hysdn_conf_open */ + +/***************************/ +/* close a config file. */ +/***************************/ +static int +hysdn_conf_close(struct inode *ino, struct file *filep) +{ + hysdn_card *card; + struct conf_writedata *cnf; + int retval = 0; + struct proc_dir_entry *pd; + + lock_kernel(); + /* search the addressed card */ + card = card_root; + while (card) { + pd = card->procconf; + if (pd == PDE(ino)) + break; + card = card->next; /* search next entry */ + } + if (!card) { + unlock_kernel(); + return (-ENODEV); /* device is unknown/invalid */ + } + if (card->debug_flags & (LOG_PROC_OPEN | LOG_PROC_ALL)) + hysdn_addlog(card, "config close for uid=%d gid=%d mode=0x%x", + filep->f_uid, filep->f_gid, filep->f_mode); + + if ((filep->f_mode & (FMODE_READ | FMODE_WRITE)) == FMODE_WRITE) { + /* write only access -> write boot file or conf line */ + if (filep->private_data) { + cnf = filep->private_data; + + if (cnf->state == CONF_STATE_POF) + retval = pof_write_close(cnf->card); /* close the pof write */ + kfree(filep->private_data); /* free allocated memory for buffer */ + + } /* handle write private data */ + } else if ((filep->f_mode & (FMODE_READ | FMODE_WRITE)) == FMODE_READ) { + /* read access -> output card info data */ + + kfree(filep->private_data); /* release memory */ + } + unlock_kernel(); + return (retval); +} /* hysdn_conf_close */ + +/******************************************************/ +/* table for conf filesystem functions defined above. */ +/******************************************************/ +static const struct file_operations conf_fops = +{ + .owner = THIS_MODULE, + .llseek = no_llseek, + .read = hysdn_conf_read, + .write = hysdn_conf_write, + .open = hysdn_conf_open, + .release = hysdn_conf_close, +}; + +/*****************************/ +/* hysdn subdir in /proc/net */ +/*****************************/ +struct proc_dir_entry *hysdn_proc_entry = NULL; + +/*******************************************************************************/ +/* hysdn_procconf_init is called when the module is loaded and after the cards */ +/* have been detected. The needed proc dir and card config files are created. */ +/* The log init is called at last. */ +/*******************************************************************************/ +int +hysdn_procconf_init(void) +{ + hysdn_card *card; + unsigned char conf_name[20]; + + hysdn_proc_entry = proc_mkdir(PROC_SUBDIR_NAME, init_net.proc_net); + if (!hysdn_proc_entry) { + printk(KERN_ERR "HYSDN: unable to create hysdn subdir\n"); + return (-1); + } + card = card_root; /* point to first card */ + while (card) { + + sprintf(conf_name, "%s%d", PROC_CONF_BASENAME, card->myid); + if ((card->procconf = (void *) proc_create(conf_name, + S_IFREG | S_IRUGO | S_IWUSR, + hysdn_proc_entry, + &conf_fops)) != NULL) { + hysdn_proclog_init(card); /* init the log file entry */ + } + card = card->next; /* next entry */ + } + + printk(KERN_NOTICE "HYSDN: procfs Rev. %s initialised\n", hysdn_getrev(hysdn_procconf_revision)); + return (0); +} /* hysdn_procconf_init */ + +/*************************************************************************************/ +/* hysdn_procconf_release is called when the module is unloaded and before the cards */ +/* resources are released. The module counter is assumed to be 0 ! */ +/*************************************************************************************/ +void +hysdn_procconf_release(void) +{ + hysdn_card *card; + unsigned char conf_name[20]; + + card = card_root; /* start with first card */ + while (card) { + + sprintf(conf_name, "%s%d", PROC_CONF_BASENAME, card->myid); + if (card->procconf) + remove_proc_entry(conf_name, hysdn_proc_entry); + + hysdn_proclog_release(card); /* init the log file entry */ + + card = card->next; /* point to next card */ + } + + remove_proc_entry(PROC_SUBDIR_NAME, init_net.proc_net); +} diff --git a/drivers/isdn/hysdn/hysdn_proclog.c b/drivers/isdn/hysdn/hysdn_proclog.c new file mode 100644 index 0000000..8991d2c --- /dev/null +++ b/drivers/isdn/hysdn/hysdn_proclog.c @@ -0,0 +1,433 @@ +/* $Id: hysdn_proclog.c,v 1.9.6.3 2001/09/23 22:24:54 kai Exp $ + * + * Linux driver for HYSDN cards, /proc/net filesystem log functions. + * + * Author Werner Cornelius (werner@titro.de) for Hypercope GmbH + * Copyright 1999 by Werner Cornelius (werner@titro.de) + * + * This software may be used and distributed according to the terms + * of the GNU General Public License, incorporated herein by reference. + * + */ + +#include <linux/module.h> +#include <linux/poll.h> +#include <linux/proc_fs.h> +#include <linux/smp_lock.h> + +#include "hysdn_defs.h" + +/* the proc subdir for the interface is defined in the procconf module */ +extern struct proc_dir_entry *hysdn_proc_entry; + +static void put_log_buffer(hysdn_card * card, char *cp); + +/*************************************************/ +/* structure keeping ascii log for device output */ +/*************************************************/ +struct log_data { + struct log_data *next; + unsigned long usage_cnt;/* number of files still to work */ + void *proc_ctrl; /* pointer to own control procdata structure */ + char log_start[2]; /* log string start (final len aligned by size) */ +}; + +/**********************************************/ +/* structure holding proc entrys for one card */ +/**********************************************/ +struct procdata { + struct proc_dir_entry *log; /* log entry */ + char log_name[15]; /* log filename */ + struct log_data *log_head, *log_tail; /* head and tail for queue */ + int if_used; /* open count for interface */ + int volatile del_lock; /* lock for delete operations */ + unsigned char logtmp[LOG_MAX_LINELEN]; + wait_queue_head_t rd_queue; +}; + + +/**********************************************/ +/* log function for cards error log interface */ +/**********************************************/ +void +hysdn_card_errlog(hysdn_card * card, tErrLogEntry * logp, int maxsize) +{ + char buf[ERRLOG_TEXT_SIZE + 40]; + + sprintf(buf, "LOG 0x%08lX 0x%08lX : %s\n", logp->ulErrType, logp->ulErrSubtype, logp->ucText); + put_log_buffer(card, buf); /* output the string */ +} /* hysdn_card_errlog */ + +/***************************************************/ +/* Log function using format specifiers for output */ +/***************************************************/ +void +hysdn_addlog(hysdn_card * card, char *fmt,...) +{ + struct procdata *pd = card->proclog; + char *cp; + va_list args; + + if (!pd) + return; /* log structure non existent */ + + cp = pd->logtmp; + cp += sprintf(cp, "HYSDN: card %d ", card->myid); + + va_start(args, fmt); + cp += vsprintf(cp, fmt, args); + va_end(args); + *cp++ = '\n'; + *cp = 0; + + if (card->debug_flags & DEB_OUT_SYSLOG) + printk(KERN_INFO "%s", pd->logtmp); + else + put_log_buffer(card, pd->logtmp); + +} /* hysdn_addlog */ + +/********************************************/ +/* put an log buffer into the log queue. */ +/* This buffer will be kept until all files */ +/* opened for read got the contents. */ +/* Flushes buffers not longer in use. */ +/********************************************/ +static void +put_log_buffer(hysdn_card * card, char *cp) +{ + struct log_data *ib; + struct procdata *pd = card->proclog; + int i; + unsigned long flags; + + if (!pd) + return; + if (!cp) + return; + if (!*cp) + return; + if (pd->if_used <= 0) + return; /* no open file for read */ + + if (!(ib = kmalloc(sizeof(struct log_data) + strlen(cp), GFP_ATOMIC))) + return; /* no memory */ + strcpy(ib->log_start, cp); /* set output string */ + ib->next = NULL; + ib->proc_ctrl = pd; /* point to own control structure */ + spin_lock_irqsave(&card->hysdn_lock, flags); + ib->usage_cnt = pd->if_used; + if (!pd->log_head) + pd->log_head = ib; /* new head */ + else + pd->log_tail->next = ib; /* follows existing messages */ + pd->log_tail = ib; /* new tail */ + i = pd->del_lock++; /* get lock state */ + spin_unlock_irqrestore(&card->hysdn_lock, flags); + + /* delete old entrys */ + if (!i) + while (pd->log_head->next) { + if ((pd->log_head->usage_cnt <= 0) && + (pd->log_head->next->usage_cnt <= 0)) { + ib = pd->log_head; + pd->log_head = pd->log_head->next; + kfree(ib); + } else + break; + } /* pd->log_head->next */ + pd->del_lock--; /* release lock level */ + wake_up_interruptible(&(pd->rd_queue)); /* announce new entry */ +} /* put_log_buffer */ + + +/******************************/ +/* file operations and tables */ +/******************************/ + +/****************************************/ +/* write log file -> set log level bits */ +/****************************************/ +static ssize_t +hysdn_log_write(struct file *file, const char __user *buf, size_t count, loff_t * off) +{ + unsigned long u = 0; + int found = 0; + unsigned char *cp, valbuf[128]; + long base = 10; + hysdn_card *card = (hysdn_card *) file->private_data; + + if (count > (sizeof(valbuf) - 1)) + count = sizeof(valbuf) - 1; /* limit length */ + if (copy_from_user(valbuf, buf, count)) + return (-EFAULT); /* copy failed */ + + valbuf[count] = 0; /* terminating 0 */ + cp = valbuf; + if ((count > 2) && (valbuf[0] == '0') && (valbuf[1] == 'x')) { + cp += 2; /* pointer after hex modifier */ + base = 16; + } + /* scan the input for debug flags */ + while (*cp) { + if ((*cp >= '0') && (*cp <= '9')) { + found = 1; + u *= base; /* adjust to next digit */ + u += *cp++ - '0'; + continue; + } + if (base != 16) + break; /* end of number */ + + if ((*cp >= 'a') && (*cp <= 'f')) { + found = 1; + u *= base; /* adjust to next digit */ + u += *cp++ - 'a' + 10; + continue; + } + break; /* terminated */ + } + + if (found) { + card->debug_flags = u; /* remember debug flags */ + hysdn_addlog(card, "debug set to 0x%lx", card->debug_flags); + } + return (count); +} /* hysdn_log_write */ + +/******************/ +/* read log file */ +/******************/ +static ssize_t +hysdn_log_read(struct file *file, char __user *buf, size_t count, loff_t * off) +{ + struct log_data *inf; + int len; + struct proc_dir_entry *pde = PDE(file->f_path.dentry->d_inode); + struct procdata *pd = NULL; + hysdn_card *card; + + if (!*((struct log_data **) file->private_data)) { + if (file->f_flags & O_NONBLOCK) + return (-EAGAIN); + + /* sorry, but we need to search the card */ + card = card_root; + while (card) { + pd = card->proclog; + if (pd->log == pde) + break; + card = card->next; /* search next entry */ + } + if (card) + interruptible_sleep_on(&(pd->rd_queue)); + else + return (-EAGAIN); + + } + if (!(inf = *((struct log_data **) file->private_data))) + return (0); + + inf->usage_cnt--; /* new usage count */ + file->private_data = &inf->next; /* next structure */ + if ((len = strlen(inf->log_start)) <= count) { + if (copy_to_user(buf, inf->log_start, len)) + return -EFAULT; + *off += len; + return (len); + } + return (0); +} /* hysdn_log_read */ + +/******************/ +/* open log file */ +/******************/ +static int +hysdn_log_open(struct inode *ino, struct file *filep) +{ + hysdn_card *card; + struct procdata *pd = NULL; + unsigned long flags; + + lock_kernel(); + card = card_root; + while (card) { + pd = card->proclog; + if (pd->log == PDE(ino)) + break; + card = card->next; /* search next entry */ + } + if (!card) { + unlock_kernel(); + return (-ENODEV); /* device is unknown/invalid */ + } + filep->private_data = card; /* remember our own card */ + + if ((filep->f_mode & (FMODE_READ | FMODE_WRITE)) == FMODE_WRITE) { + /* write only access -> write log level only */ + } else if ((filep->f_mode & (FMODE_READ | FMODE_WRITE)) == FMODE_READ) { + + /* read access -> log/debug read */ + spin_lock_irqsave(&card->hysdn_lock, flags); + pd->if_used++; + if (pd->log_head) + filep->private_data = &pd->log_tail->next; + else + filep->private_data = &pd->log_head; + spin_unlock_irqrestore(&card->hysdn_lock, flags); + } else { /* simultaneous read/write access forbidden ! */ + unlock_kernel(); + return (-EPERM); /* no permission this time */ + } + unlock_kernel(); + return nonseekable_open(ino, filep); +} /* hysdn_log_open */ + +/*******************************************************************************/ +/* close a cardlog file. If the file has been opened for exclusive write it is */ +/* assumed as pof data input and the pof loader is noticed about. */ +/* Otherwise file is handled as log output. In this case the interface usage */ +/* count is decremented and all buffers are noticed of closing. If this file */ +/* was the last one to be closed, all buffers are freed. */ +/*******************************************************************************/ +static int +hysdn_log_close(struct inode *ino, struct file *filep) +{ + struct log_data *inf; + struct procdata *pd; + hysdn_card *card; + int retval = 0; + + lock_kernel(); + if ((filep->f_mode & (FMODE_READ | FMODE_WRITE)) == FMODE_WRITE) { + /* write only access -> write debug level written */ + retval = 0; /* success */ + } else { + /* read access -> log/debug read, mark one further file as closed */ + + pd = NULL; + inf = *((struct log_data **) filep->private_data); /* get first log entry */ + if (inf) + pd = (struct procdata *) inf->proc_ctrl; /* still entries there */ + else { + /* no info available -> search card */ + card = card_root; + while (card) { + pd = card->proclog; + if (pd->log == PDE(ino)) + break; + card = card->next; /* search next entry */ + } + if (card) + pd = card->proclog; /* pointer to procfs log */ + } + if (pd) + pd->if_used--; /* decrement interface usage count by one */ + + while (inf) { + inf->usage_cnt--; /* decrement usage count for buffers */ + inf = inf->next; + } + + if (pd) + if (pd->if_used <= 0) /* delete buffers if last file closed */ + while (pd->log_head) { + inf = pd->log_head; + pd->log_head = pd->log_head->next; + kfree(inf); + } + } /* read access */ + unlock_kernel(); + + return (retval); +} /* hysdn_log_close */ + +/*************************************************/ +/* select/poll routine to be able using select() */ +/*************************************************/ +static unsigned int +hysdn_log_poll(struct file *file, poll_table * wait) +{ + unsigned int mask = 0; + struct proc_dir_entry *pde = PDE(file->f_path.dentry->d_inode); + hysdn_card *card; + struct procdata *pd = NULL; + + if ((file->f_mode & (FMODE_READ | FMODE_WRITE)) == FMODE_WRITE) + return (mask); /* no polling for write supported */ + + /* we need to search the card */ + card = card_root; + while (card) { + pd = card->proclog; + if (pd->log == pde) + break; + card = card->next; /* search next entry */ + } + if (!card) + return (mask); /* card not found */ + + poll_wait(file, &(pd->rd_queue), wait); + + if (*((struct log_data **) file->private_data)) + mask |= POLLIN | POLLRDNORM; + + return mask; +} /* hysdn_log_poll */ + +/**************************************************/ +/* table for log filesystem functions defined above. */ +/**************************************************/ +static const struct file_operations log_fops = +{ + .owner = THIS_MODULE, + .llseek = no_llseek, + .read = hysdn_log_read, + .write = hysdn_log_write, + .poll = hysdn_log_poll, + .open = hysdn_log_open, + .release = hysdn_log_close, +}; + + +/***********************************************************************************/ +/* hysdn_proclog_init is called when the module is loaded after creating the cards */ +/* conf files. */ +/***********************************************************************************/ +int +hysdn_proclog_init(hysdn_card * card) +{ + struct procdata *pd; + + /* create a cardlog proc entry */ + + if ((pd = kzalloc(sizeof(struct procdata), GFP_KERNEL)) != NULL) { + sprintf(pd->log_name, "%s%d", PROC_LOG_BASENAME, card->myid); + pd->log = proc_create(pd->log_name, + S_IFREG | S_IRUGO | S_IWUSR, hysdn_proc_entry, + &log_fops); + + init_waitqueue_head(&(pd->rd_queue)); + + card->proclog = (void *) pd; /* remember procfs structure */ + } + return (0); +} /* hysdn_proclog_init */ + +/************************************************************************************/ +/* hysdn_proclog_release is called when the module is unloaded and before the cards */ +/* conf file is released */ +/* The module counter is assumed to be 0 ! */ +/************************************************************************************/ +void +hysdn_proclog_release(hysdn_card * card) +{ + struct procdata *pd; + + if ((pd = (struct procdata *) card->proclog) != NULL) { + if (pd->log) + remove_proc_entry(pd->log_name, hysdn_proc_entry); + kfree(pd); /* release memory */ + card->proclog = NULL; + } +} /* hysdn_proclog_release */ diff --git a/drivers/isdn/hysdn/hysdn_sched.c b/drivers/isdn/hysdn/hysdn_sched.c new file mode 100644 index 0000000..81db4a1 --- /dev/null +++ b/drivers/isdn/hysdn/hysdn_sched.c @@ -0,0 +1,197 @@ +/* $Id: hysdn_sched.c,v 1.5.6.4 2001/11/06 21:58:19 kai Exp $ + * + * Linux driver for HYSDN cards + * scheduler routines for handling exchange card <-> pc. + * + * Author Werner Cornelius (werner@titro.de) for Hypercope GmbH + * Copyright 1999 by Werner Cornelius (werner@titro.de) + * + * This software may be used and distributed according to the terms + * of the GNU General Public License, incorporated herein by reference. + * + */ + +#include <linux/signal.h> +#include <linux/kernel.h> +#include <linux/ioport.h> +#include <linux/interrupt.h> +#include <linux/delay.h> +#include <asm/io.h> + +#include "hysdn_defs.h" + +/*****************************************************************************/ +/* hysdn_sched_rx is called from the cards handler to announce new data is */ +/* available from the card. The routine has to handle the data and return */ +/* with a nonzero code if the data could be worked (or even thrown away), if */ +/* no room to buffer the data is available a zero return tells the card */ +/* to keep the data until later. */ +/*****************************************************************************/ +int +hysdn_sched_rx(hysdn_card *card, unsigned char *buf, unsigned short len, + unsigned short chan) +{ + + switch (chan) { + case CHAN_NDIS_DATA: + if (hynet_enable & (1 << card->myid)) { + /* give packet to network handler */ + hysdn_rx_netpkt(card, buf, len); + } + break; + + case CHAN_ERRLOG: + hysdn_card_errlog(card, (tErrLogEntry *) buf, len); + if (card->err_log_state == ERRLOG_STATE_ON) + card->err_log_state = ERRLOG_STATE_START; /* start new fetch */ + break; +#ifdef CONFIG_HYSDN_CAPI + case CHAN_CAPI: +/* give packet to CAPI handler */ + if (hycapi_enable & (1 << card->myid)) { + hycapi_rx_capipkt(card, buf, len); + } + break; +#endif /* CONFIG_HYSDN_CAPI */ + default: + printk(KERN_INFO "irq message channel %d len %d unhandled \n", chan, len); + break; + + } /* switch rx channel */ + + return (1); /* always handled */ +} /* hysdn_sched_rx */ + +/*****************************************************************************/ +/* hysdn_sched_tx is called from the cards handler to announce that there is */ +/* room in the tx-buffer to the card and data may be sent if needed. */ +/* If the routine wants to send data it must fill buf, len and chan with the */ +/* appropriate data and return a nonzero value. With a zero return no new */ +/* data to send is assumed. maxlen specifies the buffer size available for */ +/* sending. */ +/*****************************************************************************/ +int +hysdn_sched_tx(hysdn_card *card, unsigned char *buf, + unsigned short volatile *len, unsigned short volatile *chan, + unsigned short maxlen) +{ + struct sk_buff *skb; + + if (card->net_tx_busy) { + card->net_tx_busy = 0; /* reset flag */ + hysdn_tx_netack(card); /* acknowledge packet send */ + } /* a network packet has completely been transferred */ + /* first of all async requests are handled */ + if (card->async_busy) { + if (card->async_len <= maxlen) { + memcpy(buf, card->async_data, card->async_len); + *len = card->async_len; + *chan = card->async_channel; + card->async_busy = 0; /* reset request */ + return (1); + } + card->async_busy = 0; /* in case of length error */ + } /* async request */ + if ((card->err_log_state == ERRLOG_STATE_START) && + (maxlen >= ERRLOG_CMD_REQ_SIZE)) { + strcpy(buf, ERRLOG_CMD_REQ); /* copy the command */ + *len = ERRLOG_CMD_REQ_SIZE; /* buffer length */ + *chan = CHAN_ERRLOG; /* and channel */ + card->err_log_state = ERRLOG_STATE_ON; /* new state is on */ + return (1); /* tell that data should be send */ + } /* error log start and able to send */ + if ((card->err_log_state == ERRLOG_STATE_STOP) && + (maxlen >= ERRLOG_CMD_STOP_SIZE)) { + strcpy(buf, ERRLOG_CMD_STOP); /* copy the command */ + *len = ERRLOG_CMD_STOP_SIZE; /* buffer length */ + *chan = CHAN_ERRLOG; /* and channel */ + card->err_log_state = ERRLOG_STATE_OFF; /* new state is off */ + return (1); /* tell that data should be send */ + } /* error log start and able to send */ + /* now handle network interface packets */ + if ((hynet_enable & (1 << card->myid)) && + (skb = hysdn_tx_netget(card)) != NULL) + { + if (skb->len <= maxlen) { + /* copy the packet to the buffer */ + skb_copy_from_linear_data(skb, buf, skb->len); + *len = skb->len; + *chan = CHAN_NDIS_DATA; + card->net_tx_busy = 1; /* we are busy sending network data */ + return (1); /* go and send the data */ + } else + hysdn_tx_netack(card); /* aknowledge packet -> throw away */ + } /* send a network packet if available */ +#ifdef CONFIG_HYSDN_CAPI + if( ((hycapi_enable & (1 << card->myid))) && + ((skb = hycapi_tx_capiget(card)) != NULL) ) + { + if (skb->len <= maxlen) { + skb_copy_from_linear_data(skb, buf, skb->len); + *len = skb->len; + *chan = CHAN_CAPI; + hycapi_tx_capiack(card); + return (1); /* go and send the data */ + } + } +#endif /* CONFIG_HYSDN_CAPI */ + return (0); /* nothing to send */ +} /* hysdn_sched_tx */ + + +/*****************************************************************************/ +/* send one config line to the card and return 0 if successful, otherwise a */ +/* negative error code. */ +/* The function works with timeouts perhaps not giving the greatest speed */ +/* sending the line, but this should be meaningless beacuse only some lines */ +/* are to be sent and this happens very seldom. */ +/*****************************************************************************/ +int +hysdn_tx_cfgline(hysdn_card *card, unsigned char *line, unsigned short chan) +{ + int cnt = 50; /* timeout intervalls */ + unsigned long flags; + + if (card->debug_flags & LOG_SCHED_ASYN) + hysdn_addlog(card, "async tx-cfg chan=%d len=%d", chan, strlen(line) + 1); + + while (card->async_busy) { + + if (card->debug_flags & LOG_SCHED_ASYN) + hysdn_addlog(card, "async tx-cfg delayed"); + + msleep_interruptible(20); /* Timeout 20ms */ + if (!--cnt) + return (-ERR_ASYNC_TIME); /* timed out */ + } /* wait for buffer to become free */ + + spin_lock_irqsave(&card->hysdn_lock, flags); + strcpy(card->async_data, line); + card->async_len = strlen(line) + 1; + card->async_channel = chan; + card->async_busy = 1; /* request transfer */ + + /* now queue the task */ + schedule_work(&card->irq_queue); + spin_unlock_irqrestore(&card->hysdn_lock, flags); + + if (card->debug_flags & LOG_SCHED_ASYN) + hysdn_addlog(card, "async tx-cfg data queued"); + + cnt++; /* short delay */ + + while (card->async_busy) { + + if (card->debug_flags & LOG_SCHED_ASYN) + hysdn_addlog(card, "async tx-cfg waiting for tx-ready"); + + msleep_interruptible(20); /* Timeout 20ms */ + if (!--cnt) + return (-ERR_ASYNC_TIME); /* timed out */ + } /* wait for buffer to become free again */ + + if (card->debug_flags & LOG_SCHED_ASYN) + hysdn_addlog(card, "async tx-cfg data send"); + + return (0); /* line send correctly */ +} /* hysdn_tx_cfgline */ diff --git a/drivers/isdn/hysdn/ince1pc.h b/drivers/isdn/hysdn/ince1pc.h new file mode 100644 index 0000000..7a36694 --- /dev/null +++ b/drivers/isdn/hysdn/ince1pc.h @@ -0,0 +1,134 @@ +/* + * Linux driver for HYSDN cards + * common definitions for both sides of the bus: + * - conventions both spoolers must know + * - channel numbers agreed upon + * + * Author M. Steinkopf + * Copyright 1999 by M. Steinkopf + * + * This software may be used and distributed according to the terms + * of the GNU General Public License, incorporated herein by reference. + * + */ + +#ifndef __INCE1PC_H__ +#define __INCE1PC_H__ + +/* basic scalar definitions have same meanning, + * but their declaration location depends on environment + */ + +/*--------------------------------------channel numbers---------------------*/ +#define CHAN_SYSTEM 0x0001 /* system channel (spooler to spooler) */ +#define CHAN_ERRLOG 0x0005 /* error logger */ +#define CHAN_CAPI 0x0064 /* CAPI interface */ +#define CHAN_NDIS_DATA 0x1001 /* NDIS data transfer */ + +/*--------------------------------------POF ready msg-----------------------*/ + /* NOTE: after booting POF sends system ready message to PC: */ +#define RDY_MAGIC 0x52535953UL /* 'SYSR' reversed */ +#define RDY_MAGIC_SIZE 4 /* size in bytes */ + +#define MAX_N_TOK_BYTES 255 + +#define MIN_RDY_MSG_SIZE RDY_MAGIC_SIZE +#define MAX_RDY_MSG_SIZE (RDY_MAGIC_SIZE+MAX_N_TOK_BYTES) + +#define SYSR_TOK_END 0 +#define SYSR_TOK_B_CHAN 1 /* nr. of B-Channels; DataLen=1; def: 2 */ +#define SYSR_TOK_FAX_CHAN 2 /* nr. of FAX Channels; DataLen=1; def: 0 */ +#define SYSR_TOK_MAC_ADDR 3 /* MAC-Address; DataLen=6; def: auto */ +#define SYSR_TOK_ESC 255 /* undefined data size yet */ + /* default values, if not corrected by token: */ +#define SYSR_TOK_B_CHAN_DEF 2 /* assume 2 B-Channels */ +#define SYSR_TOK_FAX_CHAN_DEF 1 /* assume 1 FAX Channel */ + +/* syntax of new SYSR token stream: + * channel: CHAN_SYSTEM + * msgsize: MIN_RDY_MSG_SIZE <= x <= MAX_RDY_MSG_SIZE + * RDY_MAGIC_SIZE <= x <= (RDY_MAGIC_SIZE+MAX_N_TOK_BYTES) + * msg : 0 1 2 3 {4 5 6 ..} + * S Y S R MAX_N_TOK_BYTES bytes of TokenStream + * + * TokenStream := empty + * | {NonEndTokenChunk} EndToken RotlCRC + * NonEndTokenChunk:= NonEndTokenId DataLen [Data] + * NonEndTokenId := 0x01 .. 0xFE 1 BYTE + * DataLen := 0x00 .. 0xFF 1 BYTE + * Data := DataLen bytes + * EndToken := 0x00 + * RotlCRC := special 1 byte CRC over all NonEndTokenChunk bytes + * s. RotlCRC algorithm + * + * RotlCRC algorithm: + * ucSum= 0 1 unsigned char + * for all NonEndTokenChunk bytes: + * ROTL(ucSum,1) rotate left by 1 + * ucSum += Char; add current byte with swap around + * RotlCRC= ~ucSum; invert all bits for result + * + * note: + * - for 16-bit FIFO add padding 0 byte to achieve even token data bytes! + */ + +/*--------------------------------------error logger------------------------*/ + /* note: pof needs final 0 ! */ +#define ERRLOG_CMD_REQ "ERRLOG ON" +#define ERRLOG_CMD_REQ_SIZE 10 /* with final 0 byte ! */ +#define ERRLOG_CMD_STOP "ERRLOG OFF" +#define ERRLOG_CMD_STOP_SIZE 11 /* with final 0 byte ! */ + +#define ERRLOG_ENTRY_SIZE 64 /* sizeof(tErrLogEntry) */ + /* remaining text size = 55 */ +#define ERRLOG_TEXT_SIZE (ERRLOG_ENTRY_SIZE-2*4-1) + +typedef struct ErrLogEntry_tag { + +/*00 */ unsigned long ulErrType; + +/*04 */ unsigned long ulErrSubtype; + +/*08 */ unsigned char ucTextSize; + + /*09 */ unsigned char ucText[ERRLOG_TEXT_SIZE]; + /* ASCIIZ of len ucTextSize-1 */ + +/*40 */ +} tErrLogEntry; + + +#if defined(__TURBOC__) +#if sizeof(tErrLogEntry) != ERRLOG_ENTRY_SIZE +#error size of tErrLogEntry != ERRLOG_ENTRY_SIZE +#endif /* */ +#endif /* */ + +/*--------------------------------------DPRAM boot spooler------------------*/ + /* this is the struture used between pc and + * hyperstone to exchange boot data + */ +#define DPRAM_SPOOLER_DATA_SIZE 0x20 +typedef struct DpramBootSpooler_tag { + +/*00 */ unsigned char Len; + +/*01 */ volatile unsigned char RdPtr; + +/*02 */ unsigned char WrPtr; + +/*03 */ unsigned char Data[DPRAM_SPOOLER_DATA_SIZE]; + +/*23 */ +} tDpramBootSpooler; + + +#define DPRAM_SPOOLER_MIN_SIZE 5 /* Len+RdPtr+Wrptr+2*data */ +#define DPRAM_SPOOLER_DEF_SIZE 0x23 /* current default size */ + +/*--------------------------------------HYCARD/ERGO DPRAM SoftUart----------*/ + /* at DPRAM offset 0x1C00: */ +#define SIZE_RSV_SOFT_UART 0x1B0 /* 432 bytes reserved for SoftUart */ + + +#endif /* __INCE1PC_H__ */ |
