Beispiel #1
0
HISAX_INITFUNC(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);
}
Beispiel #2
0
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;

	
	jade_write_indirect(cs, 0x11, 0x0f);
	jade_write_indirect(cs, 0x17, 0x2f);

	
	cs->BC_Write_Reg(cs, 0, jade_HDLC_MODE, jadeMODE_TMO);
	cs->BC_Write_Reg(cs, 1, jade_HDLC_MODE, jadeMODE_TMO);
	
	cs->BC_Write_Reg(cs, 0, jade_HDLC_CCR0, 0x00);
	cs->BC_Write_Reg(cs, 1, jade_HDLC_CCR0, 0x00);
	
	cs->BC_Write_Reg(cs, 0, jade_HDLC_IMR,  0x00);
	cs->BC_Write_Reg(cs, 1, jade_HDLC_IMR,  0x00);
	
	jade_write_indirect(cs, jade_HDLCCNTRACCESS, (jadeINDIRECT_HAH1|jadeINDIRECT_HAH2));
	
	cs->BC_Write_Reg(cs, -1,jade_INT, (jadeINT_HDLC1|jadeINT_HDLC2));

		
	modejade(cs->bcs, 0, 0);
	modejade(cs->bcs + 1, 0, 0);
}
Beispiel #3
0
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;
    }
}
Beispiel #4
0
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);
        }
    }
}