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path: root/drivers/isdn/hisax/hscx.c
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Diffstat (limited to 'drivers/isdn/hisax/hscx.c')
-rw-r--r--drivers/isdn/hisax/hscx.c277
1 files changed, 0 insertions, 277 deletions
diff --git a/drivers/isdn/hisax/hscx.c b/drivers/isdn/hisax/hscx.c
deleted file mode 100644
index 3e305fec0ed9..000000000000
--- a/drivers/isdn/hisax/hscx.c
+++ /dev/null
@@ -1,277 +0,0 @@
-/* $Id: hscx.c,v 1.24.2.4 2004/01/24 20:47:23 keil Exp $
- *
- * HSCX specific routines
- *
- * Author Karsten Keil
- * Copyright by Karsten Keil <keil@isdn4linux.de>
- *
- * This software may be used and distributed according to the terms
- * of the GNU General Public License, incorporated herein by reference.
- *
- */
-
-#include <linux/init.h>
-#include "hisax.h"
-#include "hscx.h"
-#include "isac.h"
-#include "isdnl1.h"
-#include <linux/interrupt.h>
-#include <linux/slab.h>
-
-static char *HSCXVer[] =
-{"A1", "?1", "A2", "?3", "A3", "V2.1", "?6", "?7",
- "?8", "?9", "?10", "?11", "?12", "?13", "?14", "???"};
-
-int
-HscxVersion(struct IsdnCardState *cs, char *s)
-{
- int verA, verB;
-
- verA = cs->BC_Read_Reg(cs, 0, HSCX_VSTR) & 0xf;
- verB = cs->BC_Read_Reg(cs, 1, HSCX_VSTR) & 0xf;
- printk(KERN_INFO "%s HSCX version A: %s B: %s\n", s,
- HSCXVer[verA], HSCXVer[verB]);
- if ((verA == 0) | (verA == 0xf) | (verB == 0) | (verB == 0xf))
- return (1);
- else
- return (0);
-}
-
-void
-modehscx(struct BCState *bcs, int mode, int bc)
-{
- struct IsdnCardState *cs = bcs->cs;
- int hscx = bcs->hw.hscx.hscx;
-
- if (cs->debug & L1_DEB_HSCX)
- debugl1(cs, "hscx %c mode %d ichan %d",
- 'A' + hscx, mode, bc);
- bcs->mode = mode;
- bcs->channel = bc;
- cs->BC_Write_Reg(cs, hscx, HSCX_XAD1, 0xFF);
- cs->BC_Write_Reg(cs, hscx, HSCX_XAD2, 0xFF);
- cs->BC_Write_Reg(cs, hscx, HSCX_RAH2, 0xFF);
- cs->BC_Write_Reg(cs, hscx, HSCX_XBCH, 0x0);
- cs->BC_Write_Reg(cs, hscx, HSCX_RLCR, 0x0);
- cs->BC_Write_Reg(cs, hscx, HSCX_CCR1,
- test_bit(HW_IPAC, &cs->HW_Flags) ? 0x82 : 0x85);
- cs->BC_Write_Reg(cs, hscx, HSCX_CCR2, 0x30);
- cs->BC_Write_Reg(cs, hscx, HSCX_XCCR, 7);
- cs->BC_Write_Reg(cs, hscx, HSCX_RCCR, 7);
-
- /* Switch IOM 1 SSI */
- if (test_bit(HW_IOM1, &cs->HW_Flags) && (hscx == 0))
- bc = 1 - bc;
-
- if (bc == 0) {
- cs->BC_Write_Reg(cs, hscx, HSCX_TSAX,
- test_bit(HW_IOM1, &cs->HW_Flags) ? 0x7 : bcs->hw.hscx.tsaxr0);
- cs->BC_Write_Reg(cs, hscx, HSCX_TSAR,
- test_bit(HW_IOM1, &cs->HW_Flags) ? 0x7 : bcs->hw.hscx.tsaxr0);
- } else {
- cs->BC_Write_Reg(cs, hscx, HSCX_TSAX, bcs->hw.hscx.tsaxr1);
- cs->BC_Write_Reg(cs, hscx, HSCX_TSAR, bcs->hw.hscx.tsaxr1);
- }
- switch (mode) {
- case (L1_MODE_NULL):
- cs->BC_Write_Reg(cs, hscx, HSCX_TSAX, 0x1f);
- cs->BC_Write_Reg(cs, hscx, HSCX_TSAR, 0x1f);
- cs->BC_Write_Reg(cs, hscx, HSCX_MODE, 0x84);
- break;
- case (L1_MODE_TRANS):
- cs->BC_Write_Reg(cs, hscx, HSCX_MODE, 0xe4);
- break;
- case (L1_MODE_HDLC):
- cs->BC_Write_Reg(cs, hscx, HSCX_CCR1,
- test_bit(HW_IPAC, &cs->HW_Flags) ? 0x8a : 0x8d);
- cs->BC_Write_Reg(cs, hscx, HSCX_MODE, 0x8c);
- break;
- }
- if (mode)
- cs->BC_Write_Reg(cs, hscx, HSCX_CMDR, 0x41);
- cs->BC_Write_Reg(cs, hscx, HSCX_ISTA, 0x00);
-}
-
-void
-hscx_l2l1(struct PStack *st, int pr, void *arg)
-{
- struct BCState *bcs = st->l1.bcs;
- u_long flags;
- struct sk_buff *skb = arg;
-
- switch (pr) {
- case (PH_DATA | REQUEST):
- spin_lock_irqsave(&bcs->cs->lock, flags);
- if (bcs->tx_skb) {
- skb_queue_tail(&bcs->squeue, skb);
- } else {
- bcs->tx_skb = skb;
- test_and_set_bit(BC_FLG_BUSY, &bcs->Flag);
- bcs->hw.hscx.count = 0;
- bcs->cs->BC_Send_Data(bcs);
- }
- spin_unlock_irqrestore(&bcs->cs->lock, flags);
- break;
- case (PH_PULL | INDICATION):
- spin_lock_irqsave(&bcs->cs->lock, flags);
- if (bcs->tx_skb) {
- printk(KERN_WARNING "hscx_l2l1: this shouldn't happen\n");
- } else {
- test_and_set_bit(BC_FLG_BUSY, &bcs->Flag);
- bcs->tx_skb = skb;
- bcs->hw.hscx.count = 0;
- bcs->cs->BC_Send_Data(bcs);
- }
- spin_unlock_irqrestore(&bcs->cs->lock, flags);
- break;
- case (PH_PULL | REQUEST):
- if (!bcs->tx_skb) {
- test_and_clear_bit(FLG_L1_PULL_REQ, &st->l1.Flags);
- st->l1.l1l2(st, PH_PULL | CONFIRM, NULL);
- } else
- test_and_set_bit(FLG_L1_PULL_REQ, &st->l1.Flags);
- break;
- case (PH_ACTIVATE | REQUEST):
- spin_lock_irqsave(&bcs->cs->lock, flags);
- test_and_set_bit(BC_FLG_ACTIV, &bcs->Flag);
- modehscx(bcs, st->l1.mode, st->l1.bc);
- spin_unlock_irqrestore(&bcs->cs->lock, flags);
- l1_msg_b(st, pr, arg);
- break;
- case (PH_DEACTIVATE | REQUEST):
- l1_msg_b(st, pr, arg);
- break;
- case (PH_DEACTIVATE | CONFIRM):
- spin_lock_irqsave(&bcs->cs->lock, flags);
- test_and_clear_bit(BC_FLG_ACTIV, &bcs->Flag);
- test_and_clear_bit(BC_FLG_BUSY, &bcs->Flag);
- modehscx(bcs, 0, st->l1.bc);
- spin_unlock_irqrestore(&bcs->cs->lock, flags);
- st->l1.l1l2(st, PH_DEACTIVATE | CONFIRM, NULL);
- break;
- }
-}
-
-static void
-close_hscxstate(struct BCState *bcs)
-{
- modehscx(bcs, 0, bcs->channel);
- if (test_and_clear_bit(BC_FLG_INIT, &bcs->Flag)) {
- kfree(bcs->hw.hscx.rcvbuf);
- bcs->hw.hscx.rcvbuf = NULL;
- kfree(bcs->blog);
- bcs->blog = NULL;
- skb_queue_purge(&bcs->rqueue);
- skb_queue_purge(&bcs->squeue);
- if (bcs->tx_skb) {
- dev_kfree_skb_any(bcs->tx_skb);
- bcs->tx_skb = NULL;
- test_and_clear_bit(BC_FLG_BUSY, &bcs->Flag);
- }
- }
-}
-
-int
-open_hscxstate(struct IsdnCardState *cs, struct BCState *bcs)
-{
- if (!test_and_set_bit(BC_FLG_INIT, &bcs->Flag)) {
- if (!(bcs->hw.hscx.rcvbuf = kmalloc(HSCX_BUFMAX, GFP_ATOMIC))) {
- printk(KERN_WARNING
- "HiSax: No memory for hscx.rcvbuf\n");
- test_and_clear_bit(BC_FLG_INIT, &bcs->Flag);
- return (1);
- }
- if (!(bcs->blog = kmalloc(MAX_BLOG_SPACE, GFP_ATOMIC))) {
- printk(KERN_WARNING
- "HiSax: No memory for bcs->blog\n");
- test_and_clear_bit(BC_FLG_INIT, &bcs->Flag);
- kfree(bcs->hw.hscx.rcvbuf);
- bcs->hw.hscx.rcvbuf = NULL;
- return (2);
- }
- skb_queue_head_init(&bcs->rqueue);
- skb_queue_head_init(&bcs->squeue);
- }
- bcs->tx_skb = NULL;
- test_and_clear_bit(BC_FLG_BUSY, &bcs->Flag);
- bcs->event = 0;
- bcs->hw.hscx.rcvidx = 0;
- bcs->tx_cnt = 0;
- return (0);
-}
-
-static int
-setstack_hscx(struct PStack *st, struct BCState *bcs)
-{
- bcs->channel = st->l1.bc;
- if (open_hscxstate(st->l1.hardware, bcs))
- return (-1);
- st->l1.bcs = bcs;
- st->l2.l2l1 = hscx_l2l1;
- setstack_manager(st);
- bcs->st = st;
- setstack_l1_B(st);
- return (0);
-}
-
-void
-clear_pending_hscx_ints(struct IsdnCardState *cs)
-{
- int val, eval;
-
- val = cs->BC_Read_Reg(cs, 1, HSCX_ISTA);
- debugl1(cs, "HSCX B ISTA %x", val);
- if (val & 0x01) {
- eval = cs->BC_Read_Reg(cs, 1, HSCX_EXIR);
- debugl1(cs, "HSCX B EXIR %x", eval);
- }
- if (val & 0x02) {
- eval = cs->BC_Read_Reg(cs, 0, HSCX_EXIR);
- debugl1(cs, "HSCX A EXIR %x", eval);
- }
- val = cs->BC_Read_Reg(cs, 0, HSCX_ISTA);
- debugl1(cs, "HSCX A ISTA %x", val);
- val = cs->BC_Read_Reg(cs, 1, HSCX_STAR);
- debugl1(cs, "HSCX B STAR %x", val);
- val = cs->BC_Read_Reg(cs, 0, HSCX_STAR);
- debugl1(cs, "HSCX A STAR %x", val);
- /* disable all IRQ */
- cs->BC_Write_Reg(cs, 0, HSCX_MASK, 0xFF);
- cs->BC_Write_Reg(cs, 1, HSCX_MASK, 0xFF);
-}
-
-void
-inithscx(struct IsdnCardState *cs)
-{
- cs->bcs[0].BC_SetStack = setstack_hscx;
- cs->bcs[1].BC_SetStack = setstack_hscx;
- cs->bcs[0].BC_Close = close_hscxstate;
- cs->bcs[1].BC_Close = close_hscxstate;
- cs->bcs[0].hw.hscx.hscx = 0;
- cs->bcs[1].hw.hscx.hscx = 1;
- cs->bcs[0].hw.hscx.tsaxr0 = 0x2f;
- cs->bcs[0].hw.hscx.tsaxr1 = 3;
- cs->bcs[1].hw.hscx.tsaxr0 = 0x2f;
- cs->bcs[1].hw.hscx.tsaxr1 = 3;
- modehscx(cs->bcs, 0, 0);
- modehscx(cs->bcs + 1, 0, 0);
-}
-
-void
-inithscxisac(struct IsdnCardState *cs, int part)
-{
- if (part & 1) {
- clear_pending_isac_ints(cs);
- clear_pending_hscx_ints(cs);
- initisac(cs);
- inithscx(cs);
- }
- if (part & 2) {
- /* Reenable all IRQ */
- cs->writeisac(cs, ISAC_MASK, 0);
- cs->BC_Write_Reg(cs, 0, HSCX_MASK, 0);
- cs->BC_Write_Reg(cs, 1, HSCX_MASK, 0);
- /* RESET Receiver and Transmitter */
- cs->writeisac(cs, ISAC_CMDR, 0x41);
- }
-}
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