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Diffstat (limited to 'drivers/isdn/hisax/jade.c')
-rw-r--r--drivers/isdn/hisax/jade.c305
1 files changed, 0 insertions, 305 deletions
diff --git a/drivers/isdn/hisax/jade.c b/drivers/isdn/hisax/jade.c
deleted file mode 100644
index e2ae7871a209..000000000000
--- a/drivers/isdn/hisax/jade.c
+++ /dev/null
@@ -1,305 +0,0 @@
-/* $Id: jade.c,v 1.9.2.4 2004/01/14 16:04:48 keil Exp $
- *
- * JADE stuff (derived from original hscx.c)
- *
- * Author Roland Klabunde
- * Copyright by Roland Klabunde <R.Klabunde@Berkom.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 "jade.h"
-#include "isdnl1.h"
-#include <linux/interrupt.h>
-#include <linux/slab.h>
-
-
-int
-JadeVersion(struct IsdnCardState *cs, char *s)
-{
- int ver;
- int to = 50;
- cs->BC_Write_Reg(cs, -1, 0x50, 0x19);
- while (to) {
- udelay(1);
- ver = cs->BC_Read_Reg(cs, -1, 0x60);
- to--;
- if (ver)
- break;
- if (!to) {
- printk(KERN_INFO "%s JADE version not obtainable\n", s);
- return (0);
- }
- }
- /* Wait for the JADE */
- udelay(10);
- /* Read version */
- ver = cs->BC_Read_Reg(cs, -1, 0x60);
- printk(KERN_INFO "%s JADE version: %d\n", s, ver);
- return (1);
-}
-
-/* Write to indirect accessible jade register set */
-static void
-jade_write_indirect(struct IsdnCardState *cs, u_char reg, u_char value)
-{
- int to = 50;
- u_char ret;
-
- /* Write the data */
- cs->BC_Write_Reg(cs, -1, COMM_JADE + 1, value);
- /* Say JADE we wanna write indirect reg 'reg' */
- cs->BC_Write_Reg(cs, -1, COMM_JADE, reg);
- to = 50;
- /* Wait for RDY goes high */
- while (to) {
- udelay(1);
- ret = cs->BC_Read_Reg(cs, -1, COMM_JADE);
- to--;
- if (ret & 1)
- /* Got acknowledge */
- break;
- if (!to) {
- printk(KERN_INFO "Can not see ready bit from JADE DSP (reg=0x%X, value=0x%X)\n", reg, value);
- return;
- }
- }
-}
-
-
-
-static void
-modejade(struct BCState *bcs, int mode, int bc)
-{
- struct IsdnCardState *cs = bcs->cs;
- int jade = bcs->hw.hscx.hscx;
-
- if (cs->debug & L1_DEB_HSCX) {
- debugl1(cs, "jade %c mode %d ichan %d", 'A' + jade, mode, bc);
- }
- bcs->mode = mode;
- bcs->channel = bc;
-
- cs->BC_Write_Reg(cs, jade, jade_HDLC_MODE, (mode == L1_MODE_TRANS ? jadeMODE_TMO : 0x00));
- cs->BC_Write_Reg(cs, jade, jade_HDLC_CCR0, (jadeCCR0_PU | jadeCCR0_ITF));
- cs->BC_Write_Reg(cs, jade, jade_HDLC_CCR1, 0x00);
-
- jade_write_indirect(cs, jade_HDLC1SERRXPATH, 0x08);
- jade_write_indirect(cs, jade_HDLC2SERRXPATH, 0x08);
- jade_write_indirect(cs, jade_HDLC1SERTXPATH, 0x00);
- jade_write_indirect(cs, jade_HDLC2SERTXPATH, 0x00);
-
- cs->BC_Write_Reg(cs, jade, jade_HDLC_XCCR, 0x07);
- cs->BC_Write_Reg(cs, jade, jade_HDLC_RCCR, 0x07);
-
- if (bc == 0) {
- cs->BC_Write_Reg(cs, jade, jade_HDLC_TSAX, 0x00);
- cs->BC_Write_Reg(cs, jade, jade_HDLC_TSAR, 0x00);
- } else {
- cs->BC_Write_Reg(cs, jade, jade_HDLC_TSAX, 0x04);
- cs->BC_Write_Reg(cs, jade, jade_HDLC_TSAR, 0x04);
- }
- switch (mode) {
- case (L1_MODE_NULL):
- cs->BC_Write_Reg(cs, jade, jade_HDLC_MODE, jadeMODE_TMO);
- break;
- case (L1_MODE_TRANS):
- cs->BC_Write_Reg(cs, jade, jade_HDLC_MODE, (jadeMODE_TMO | jadeMODE_RAC | jadeMODE_XAC));
- break;
- case (L1_MODE_HDLC):
- cs->BC_Write_Reg(cs, jade, jade_HDLC_MODE, (jadeMODE_RAC | jadeMODE_XAC));
- break;
- }
- if (mode) {
- cs->BC_Write_Reg(cs, jade, jade_HDLC_RCMD, (jadeRCMD_RRES | jadeRCMD_RMC));
- cs->BC_Write_Reg(cs, jade, jade_HDLC_XCMD, jadeXCMD_XRES);
- /* Unmask ints */
- cs->BC_Write_Reg(cs, jade, jade_HDLC_IMR, 0xF8);
- }
- else
- /* Mask ints */
- cs->BC_Write_Reg(cs, jade, jade_HDLC_IMR, 0x00);
-}
-
-static void
-jade_l2l1(struct PStack *st, int pr, void *arg)
-{
- struct BCState *bcs = st->l1.bcs;
- struct sk_buff *skb = arg;
- u_long flags;
-
- 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 "jade_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);
- modejade(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);
- modejade(bcs, 0, st->l1.bc);
- spin_unlock_irqrestore(&bcs->cs->lock, flags);
- st->l1.l1l2(st, PH_DEACTIVATE | CONFIRM, NULL);
- break;
- }
-}
-
-static void
-close_jadestate(struct BCState *bcs)
-{
- modejade(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);
- }
- }
-}
-
-static int
-open_jadestate(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_jade(struct PStack *st, struct BCState *bcs)
-{
- bcs->channel = st->l1.bc;
- if (open_jadestate(st->l1.hardware, bcs))
- return (-1);
- st->l1.bcs = bcs;
- st->l2.l2l1 = jade_l2l1;
- setstack_manager(st);
- bcs->st = st;
- setstack_l1_B(st);
- return (0);
-}
-
-void
-clear_pending_jade_ints(struct IsdnCardState *cs)
-{
- int val;
-
- cs->BC_Write_Reg(cs, 0, jade_HDLC_IMR, 0x00);
- cs->BC_Write_Reg(cs, 1, jade_HDLC_IMR, 0x00);
-
- val = cs->BC_Read_Reg(cs, 1, jade_HDLC_ISR);
- debugl1(cs, "jade B ISTA %x", val);
- val = cs->BC_Read_Reg(cs, 0, jade_HDLC_ISR);
- debugl1(cs, "jade A ISTA %x", val);
- val = cs->BC_Read_Reg(cs, 1, jade_HDLC_STAR);
- debugl1(cs, "jade B STAR %x", val);
- val = cs->BC_Read_Reg(cs, 0, jade_HDLC_STAR);
- debugl1(cs, "jade A STAR %x", val);
- /* Unmask ints */
- cs->BC_Write_Reg(cs, 0, jade_HDLC_IMR, 0xF8);
- cs->BC_Write_Reg(cs, 1, jade_HDLC_IMR, 0xF8);
-}
-
-void
-initjade(struct IsdnCardState *cs)
-{
- cs->bcs[0].BC_SetStack = setstack_jade;
- cs->bcs[1].BC_SetStack = setstack_jade;
- cs->bcs[0].BC_Close = close_jadestate;
- cs->bcs[1].BC_Close = close_jadestate;
- cs->bcs[0].hw.hscx.hscx = 0;
- cs->bcs[1].hw.hscx.hscx = 1;
-
- /* Stop DSP audio tx/rx */
- jade_write_indirect(cs, 0x11, 0x0f);
- jade_write_indirect(cs, 0x17, 0x2f);
-
- /* Transparent Mode, RxTx inactive, No Test, No RFS/TFS */
- cs->BC_Write_Reg(cs, 0, jade_HDLC_MODE, jadeMODE_TMO);
- cs->BC_Write_Reg(cs, 1, jade_HDLC_MODE, jadeMODE_TMO);
- /* Power down, 1-Idle, RxTx least significant bit first */
- cs->BC_Write_Reg(cs, 0, jade_HDLC_CCR0, 0x00);
- cs->BC_Write_Reg(cs, 1, jade_HDLC_CCR0, 0x00);
- /* Mask all interrupts */
- cs->BC_Write_Reg(cs, 0, jade_HDLC_IMR, 0x00);
- cs->BC_Write_Reg(cs, 1, jade_HDLC_IMR, 0x00);
- /* Setup host access to hdlc controller */
- jade_write_indirect(cs, jade_HDLCCNTRACCESS, (jadeINDIRECT_HAH1 | jadeINDIRECT_HAH2));
- /* Unmask HDLC int (don't forget DSP int later on)*/
- cs->BC_Write_Reg(cs, -1, jade_INT, (jadeINT_HDLC1 | jadeINT_HDLC2));
-
- /* once again TRANSPARENT */
- modejade(cs->bcs, 0, 0);
- modejade(cs->bcs + 1, 0, 0);
-}
generated by cgit (git 2.34.1) at 2024-05-06 18:27:38 +0000