diff options
Diffstat (limited to 'drivers/isdn/hisax/jade.c')
-rw-r--r-- | drivers/isdn/hisax/jade.c | 305 |
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); -} |