diff options
Diffstat (limited to 'drivers/isdn/hisax/jade.c')
-rw-r--r-- | drivers/isdn/hisax/jade.c | 209 |
1 files changed, 104 insertions, 105 deletions
diff --git a/drivers/isdn/hisax/jade.c b/drivers/isdn/hisax/jade.c index a06cea09158..f946c58d8ab 100644 --- a/drivers/isdn/hisax/jade.c +++ b/drivers/isdn/hisax/jade.c @@ -4,7 +4,7 @@ * * 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. * @@ -23,53 +23,53 @@ int JadeVersion(struct IsdnCardState *cs, char *s) { - int ver; - int to = 50; - cs->BC_Write_Reg(cs, -1, 0x50, 0x19); - while (to) { - udelay(1); + 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); - 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); + 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; + 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; + /* 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; + } } - } } @@ -77,67 +77,67 @@ jade_write_indirect(struct IsdnCardState *cs, u_char reg, u_char value) static void modejade(struct BCState *bcs, int mode, int bc) { - struct IsdnCardState *cs = bcs->cs; - int jade = bcs->hw.hscx.hscx; + struct IsdnCardState *cs = bcs->cs; + int jade = bcs->hw.hscx.hscx; - if (cs->debug & L1_DEB_HSCX) { - char tmp[40]; - sprintf(tmp, "jade %c mode %d ichan %d", - 'A' + jade, mode, bc); - debugl1(cs, tmp); - } - 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); + if (cs->debug & L1_DEB_HSCX) { + char tmp[40]; + sprintf(tmp, "jade %c mode %d ichan %d", + 'A' + jade, mode, bc); + debugl1(cs, tmp); + } + bcs->mode = mode; + bcs->channel = bc; - 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_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); - cs->BC_Write_Reg(cs, jade, jade_HDLC_XCCR, 0x07); - cs->BC_Write_Reg(cs, jade, jade_HDLC_RCCR, 0x07); + 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); - 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) { + 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)); + 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)); + 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); + } + 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; + struct BCState *bcs = st->l1.bcs; + struct sk_buff *skb = arg; + u_long flags; - switch (pr) { + switch (pr) { case (PH_DATA | REQUEST): spin_lock_irqsave(&bcs->cs->lock, flags); if (bcs->tx_skb) { @@ -164,10 +164,10 @@ jade_l2l1(struct PStack *st, int pr, void *arg) 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); + 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); + test_and_set_bit(FLG_L1_PULL_REQ, &st->l1.Flags); break; case (PH_ACTIVATE | REQUEST): spin_lock_irqsave(&bcs->cs->lock, flags); @@ -187,26 +187,26 @@ jade_l2l1(struct PStack *st, int pr, void *arg) 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); + 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 @@ -221,7 +221,7 @@ open_jadestate(struct IsdnCardState *cs, struct BCState *bcs) } if (!(bcs->blog = kmalloc(MAX_BLOG_SPACE, GFP_ATOMIC))) { printk(KERN_WARNING - "HiSax: No memory for bcs->blog\n"); + "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; @@ -303,12 +303,11 @@ initjade(struct IsdnCardState *cs) 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)); + 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)); + cs->BC_Write_Reg(cs, -1, jade_INT, (jadeINT_HDLC1 | jadeINT_HDLC2)); - /* once again TRANSPARENT */ + /* once again TRANSPARENT */ modejade(cs->bcs, 0, 0); modejade(cs->bcs + 1, 0, 0); } - |