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-rw-r--r--drivers/isdn/hysdn/boardergo.c445
1 files changed, 0 insertions, 445 deletions
diff --git a/drivers/isdn/hysdn/boardergo.c b/drivers/isdn/hysdn/boardergo.c
deleted file mode 100644
index 2aa2a0e08247..000000000000
--- a/drivers/isdn/hysdn/boardergo.c
+++ /dev/null
@@ -1,445 +0,0 @@
-/* $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 */