/* $Id: isar.c,v 1.22.2.6 2004/02/11 13:21:34 keil Exp $ * * isar.c ISAR (Siemens PSB 7110) specific routines * * Author Karsten Keil (keil@isdn4linux.de) * * This file is (c) under GNU General Public License * */ #include #include "hisax.h" #include "isar.h" #include "isdnl1.h" #include #include #define DBG_LOADFIRM 0 #define DUMP_MBOXFRAME 2 #define DLE 0x10 #define ETX 0x03 #define FAXMODCNT 13 static const u_char faxmodulation[] = {3, 24, 48, 72, 73, 74, 96, 97, 98, 121, 122, 145, 146}; static u_int modmask = 0x1fff; static int frm_extra_delay = 2; static int para_TOA = 6; static const u_char *FC1_CMD[] = {"FAE", "FTS", "FRS", "FTM", "FRM", "FTH", "FRH", "CTRL"}; static void isar_setup(struct IsdnCardState *cs); static void isar_pump_cmd(struct BCState *bcs, u_char cmd, u_char para); static void ll_deliver_faxstat(struct BCState *bcs, u_char status); static inline int waitforHIA(struct IsdnCardState *cs, int timeout) { while ((cs->BC_Read_Reg(cs, 0, ISAR_HIA) & 1) && timeout) { udelay(1); timeout--; } if (!timeout) printk(KERN_WARNING "HiSax: ISAR waitforHIA timeout\n"); return (timeout); } static int sendmsg(struct IsdnCardState *cs, u_char his, u_char creg, u_char len, u_char *msg) { int i; if (!waitforHIA(cs, 4000)) return (0); #if DUMP_MBOXFRAME if (cs->debug & L1_DEB_HSCX) debugl1(cs, "sendmsg(%02x,%02x,%d)", his, creg, len); #endif cs->BC_Write_Reg(cs, 0, ISAR_CTRL_H, creg); cs->BC_Write_Reg(cs, 0, ISAR_CTRL_L, len); cs->BC_Write_Reg(cs, 0, ISAR_WADR, 0); if (msg && len) { cs->BC_Write_Reg(cs, 1, ISAR_MBOX, msg[0]); for (i = 1; i < len; i++) cs->BC_Write_Reg(cs, 2, ISAR_MBOX, msg[i]); #if DUMP_MBOXFRAME > 1 if (cs->debug & L1_DEB_HSCX_FIFO) { char tmp[256], *t; i = len; while (i > 0) { t = tmp; t += sprintf(t, "sendmbox cnt %d", len); QuickHex(t, &msg[len-i], (i > 64) ? 64 : i); debugl1(cs, "%s", tmp); i -= 64; } } #endif } cs->BC_Write_Reg(cs, 1, ISAR_HIS, his); waitforHIA(cs, 10000); return (1); } /* Call only with IRQ disabled !!! */ static inline void rcv_mbox(struct IsdnCardState *cs, struct isar_reg *ireg, u_char *msg) { int i; cs->BC_Write_Reg(cs, 1, ISAR_RADR, 0); if (msg && ireg->clsb) { msg[0] = cs->BC_Read_Reg(cs, 1, ISAR_MBOX); for (i = 1; i < ireg->clsb; i++) msg[i] = cs->BC_Read_Reg(cs, 2, ISAR_MBOX); #if DUMP_MBOXFRAME > 1 if (cs->debug & L1_DEB_HSCX_FIFO) { char tmp[256], *t; i = ireg->clsb; while (i > 0) { t = tmp; t += sprintf(t, "rcv_mbox cnt %d", ireg->clsb); QuickHex(t, &msg[ireg->clsb - i], (i > 64) ? 64 : i); debugl1(cs, "%s", tmp); i -= 64; } } #endif } cs->BC_Write_Reg(cs, 1, ISAR_IIA, 0); } /* Call only with IRQ disabled !!! */ static inline void get_irq_infos(struct IsdnCardState *cs, struct isar_reg *ireg) { ireg->iis = cs->BC_Read_Reg(cs, 1, ISAR_IIS); ireg->cmsb = cs->BC_Read_Reg(cs, 1, ISAR_CTRL_H); ireg->clsb = cs->BC_Read_Reg(cs, 1, ISAR_CTRL_L); #if DUMP_MBOXFRAME if (cs->debug & L1_DEB_HSCX) debugl1(cs, "irq_stat(%02x,%02x,%d)", ireg->iis, ireg->cmsb, ireg->clsb); #endif } static int waitrecmsg(struct IsdnCardState *cs, u_char *len, u_char *msg, int maxdelay) { int timeout = 0; struct isar_reg *ir = cs->bcs[0].hw.isar.reg; while ((!(cs->BC_Read_Reg(cs, 0, ISAR_IRQBIT) & ISAR_IRQSTA)) && (timeout++ < maxdelay)) udelay(1); if (timeout > maxdelay) { printk(KERN_WARNING"isar recmsg IRQSTA timeout\n"); return (0); } get_irq_infos(cs, ir); rcv_mbox(cs, ir, msg); *len = ir->clsb; return (1); } int ISARVersion(struct IsdnCardState *cs, char *s) { int ver; u_char msg[] = ISAR_MSG_HWVER; u_char tmp[64]; u_char len; u_long flags; int debug; cs->cardmsg(cs, CARD_RESET, NULL); spin_lock_irqsave(&cs->lock, flags); /* disable ISAR IRQ */ cs->BC_Write_Reg(cs, 0, ISAR_IRQBIT, 0); debug = cs->debug; cs->debug &= ~(L1_DEB_HSCX | L1_DEB_HSCX_FIFO); if (!sendmsg(cs, ISAR_HIS_VNR, 0, 3, msg)) { spin_unlock_irqrestore(&cs->lock, flags); return (-1); } if (!waitrecmsg(cs, &len, tmp, 100000)) { spin_unlock_irqrestore(&cs->lock, flags); return (-2); } cs->debug = debug; if (cs->bcs[0].hw.isar.reg->iis == ISAR_IIS_VNR) { if (len == 1) { ver = tmp[0] & 0xf; printk(KERN_INFO "%s ISAR version %d\n", s, ver); } else ver = -3; } else ver = -4; spin_unlock_irqrestore(&cs->lock, flags); return (ver); } static int isar_load_firmware(struct IsdnCardState *cs, u_char __user *buf) { int cfu_ret, ret, size, cnt, debug; u_char len, nom, noc; u_short sadr, left, *sp; u_char __user *p = buf; u_char *msg, *tmpmsg, *mp, tmp[64]; u_long flags; struct isar_reg *ireg = cs->bcs[0].hw.isar.reg; struct {u_short sadr; u_short len; u_short d_key; } blk_head; #define BLK_HEAD_SIZE 6 if (1 != (ret = ISARVersion(cs, "Testing"))) { printk(KERN_ERR"isar_load_firmware wrong isar version %d\n", ret); return (1); } debug = cs->debug; #if DBG_LOADFIRM < 2 cs->debug &= ~(L1_DEB_HSCX | L1_DEB_HSCX_FIFO); #endif cfu_ret = copy_from_user(&size, p, sizeof(int)); if (cfu_ret) { printk(KERN_ERR "isar_load_firmware copy_from_user ret %d\n", cfu_ret); return -EFAULT; } p += sizeof(int); printk(KERN_DEBUG"isar_load_firmware size: %d\n", size); cnt = 0; /* disable ISAR IRQ */ cs->BC_Write_Reg(cs, 0, ISAR_IRQBIT, 0); if (!(msg = kmalloc(256, GFP_KERNEL))) { printk(KERN_ERR"isar_load_firmware no buffer\n"); return (1); } if (!(tmpmsg = kmalloc(256, GFP_KERNEL))) { printk(KERN_ERR"isar_load_firmware no tmp buffer\n"); kfree(msg); return (1); } spin_lock_irqsave(&cs->lock, flags); /* disable ISAR IRQ */ cs->BC_Write_Reg(cs, 0, ISAR_IRQBIT, 0); spin_unlock_irqrestore(&cs->lock, flags); while (cnt < size) { if ((ret = copy_from_user(&blk_head, p, BLK_HEAD_SIZE))) { printk(KERN_ERR"isar_load_firmware copy_from_user ret %d\n", ret); goto reterror; } #ifdef __BIG_ENDIAN sadr = (blk_head.sadr & 0xff) * 256 + blk_head.sadr / 256; blk_head.sadr = sadr; sadr = (blk_head.len & 0xff) * 256 + blk_head.len / 256; blk_head.len = sadr; sadr = (blk_head.d_key & 0xff) * 256 + blk_head.d_key / 256; blk_head.d_key = sadr; #endif /* __BIG_ENDIAN */ cnt += BLK_HEAD_SIZE; p += BLK_HEAD_SIZE; printk(KERN_DEBUG"isar firmware block (%#x,%5d,%#x)\n", blk_head.sadr, blk_head.len, blk_head.d_key & 0xff); sadr = blk_head.sadr; left = blk_head.len; spin_lock_irqsave(&cs->lock, flags); if (!sendmsg(cs, ISAR_HIS_DKEY, blk_head.d_key & 0xff, 0, NULL)) { printk(KERN_ERR"isar sendmsg dkey failed\n"); ret = 1; goto reterr_unlock; } if (!waitrecmsg(cs, &len, tmp, 100000)) { printk(KERN_ERR"isar waitrecmsg dkey failed\n"); ret = 1; goto reterr_unlock; } if ((ireg->iis != ISAR_IIS_DKEY) || ireg->cmsb || len) { printk(KERN_ERR"isar wrong dkey response (%x,%x,%x)\n", ireg->iis, ireg->cmsb, len); ret = 1; goto reterr_unlock; } spin_unlock_irqrestore(&cs->lock, flags); while (left > 0) { if (left > 126) noc = 126; else noc = left; nom = 2 * noc; mp = msg; *mp++ = sadr / 256; *mp++ = sadr % 256; left -= noc; *mp++ = noc; if ((ret = copy_from_user(tmpmsg, p, nom))) { printk(KERN_ERR"isar_load_firmware copy_from_user ret %d\n", ret); goto reterror; } p += nom; cnt += nom; nom += 3; sp = (u_short *)tmpmsg; #if DBG_LOADFIRM printk(KERN_DEBUG"isar: load %3d words at %04x left %d\n", noc, sadr, left); #endif sadr += noc; while (noc) { #ifdef __BIG_ENDIAN *mp++ = *sp % 256; *mp++ = *sp / 256; #else *mp++ = *sp / 256; *mp++ = *sp % 256; #endif /* __BIG_ENDIAN */ sp++; noc--; } spin_lock_irqsave(&cs->lock, flags); if (!sendmsg(cs, ISAR_HIS_FIRM, 0, nom, msg)) { printk(KERN_ERR"isar sendmsg prog failed\n"); ret = 1; goto reterr_unlock; } if (!waitrecmsg(cs, &len, tmp, 100000)) { printk(KERN_ERR"isar waitrecmsg prog failed\n"); ret = 1; goto reterr_unlock; } if ((ireg->iis != ISAR_IIS_FIRM) || ireg->cmsb || len) { printk(KERN_ERR"isar wrong prog response (%x,%x,%x)\n", ireg->iis, ireg->cmsb, len); ret = 1; goto reterr_unlock; } spin_unlock_irqrestore(&cs->lock, flags); } printk(KERN_DEBUG"isar firmware block %5d words loaded\n", blk_head.len); } /* 10ms delay */ cnt = 10; while (cnt--) udelay(1000); msg[0] = 0xff; msg[1] = 0xfe; ireg->bstat = 0; spin_lock_irqsave(&cs->lock, flags); if (!sendmsg(cs, ISAR_HIS_STDSP, 0, 2, msg)) { printk(KERN_ERR"isar sendmsg start dsp failed\n"); ret = 1; goto reterr_unlock; } if (!waitrecmsg(cs, &len, tmp, 100000)) { printk(KERN_ERR"isar waitrecmsg start dsp failed\n"); ret = 1; goto reterr_unlock; } if ((ireg->iis != ISAR_IIS_STDSP) || ireg->cmsb || len) { printk(KERN_ERR"isar wrong start dsp response (%x,%x,%x)\n", ireg->iis, ireg->cmsb, len); ret = 1; goto reterr_unlock; } else printk(KERN_DEBUG"isar start dsp success\n"); /* NORMAL mode entered */ /* Enable IRQs of ISAR */ cs->BC_Write_Reg(cs, 0, ISAR_IRQBIT, ISAR_IRQSTA); spin_unlock_irqrestore(&cs->lock, flags); cnt = 1000; /* max 1s */ while ((!ireg->bstat) && cnt) { udelay(1000); cnt--; } if (!cnt) { printk(KERN_ERR"isar no general status event received\n"); ret = 1; goto reterror; } else { printk(KERN_DEBUG"isar general status event %x\n", ireg->bstat); } /* 10ms delay */ cnt = 10; while (cnt--) udelay(1000); spin_lock_irqsave(&cs->lock, flags); ireg->iis = 0; if (!sendmsg(cs, ISAR_HIS_DIAG, ISAR_CTRL_STST, 0, NULL)) { printk(KERN_ERR"isar sendmsg self tst failed\n"); ret = 1; goto reterr_unlock; } cnt = 10000; /* max 100 ms */ spin_unlock_irqrestore(&cs->lock, flags); while ((ireg->iis != ISAR_IIS_DIAG) && cnt) { udelay(10); cnt--; } udelay(1000); if (!cnt) { printk(KERN_ERR"isar no self tst response\n"); ret = 1; goto reterror; } if ((ireg->cmsb == ISAR_CTRL_STST) && (ireg->clsb == 1) && (ireg->par[0] == 0)) { printk(KERN_DEBUG"isar selftest OK\n"); } else { printk(KERN_DEBUG"isar selftest not OK %x/%x/%x\n", ireg->cmsb, ireg->clsb, ireg->par[0]); ret = 1; goto reterror; } spin_lock_irqsave(&cs->lock, flags); ireg->iis = 0; if (!sendmsg(cs, ISAR_HIS_DIAG, ISAR_CTRL_SWVER, 0, NULL)) { printk(KERN_ERR"isar RQST SVN failed\n"); ret = 1; goto reterr_unlock; } spin_unlock_irqrestore(&cs->lock, flags); cnt = 30000; /* max 300 ms */ while ((ireg->iis != ISAR_IIS_DIAG) && cnt) { udelay(10); cnt--; } udelay(1000); if (!cnt) { printk(KERN_ERR"isar no SVN response\n"); ret = 1; goto reterror; } else { if ((ireg->cmsb == ISAR_CTRL_SWVER) && (ireg->clsb == 1)) printk(KERN_DEBUG"isar software version %#x\n", ireg->par[0]); else { printk(KERN_ERR"isar wrong swver response (%x,%x) cnt(%d)\n", ireg->cmsb, ireg->clsb, cnt); ret = 1; goto reterror; } } spin_lock_irqsave(&cs->lock, flags); cs->debug = debug; isar_setup(cs); ret = 0; reterr_unlock: spin_unlock_irqrestore(&cs->lock, flags); reterror: cs->debug = debug; if (ret) /* disable ISAR IRQ */ cs->BC_Write_Reg(cs, 0, ISAR_IRQBIT, 0); kfree(msg); kfree(tmpmsg); return (ret); } #define B_LL_NOCARRIER 8 #define B_LL_CONNECT 9 #define B_LL_OK 10 static void isar_bh(struct work_struct *work) { struct BCState *bcs = container_of(work, struct BCState, tqueue); BChannel_bh(work); if (test_and_clear_bit(B_LL_NOCARRIER, &bcs->event)) ll_deliver_faxstat(bcs, ISDN_FAX_CLASS1_NOCARR); if (test_and_clear_bit(B_LL_CONNECT, &bcs->event)) ll_deliver_faxstat(bcs, ISDN_FAX_CLASS1_CONNECT); if (test_and_clear_bit(B_LL_OK, &bcs->event)) ll_deliver_faxstat(bcs, ISDN_FAX_CLASS1_OK); } static void send_DLE_ETX(struct BCState *bcs) { u_char dleetx[2] = {DLE, ETX}; struct sk_buff *skb; if ((skb = dev_alloc_skb(2))) { skb_put_data(skb, dleetx, 2); skb_queue_tail(&bcs->rqueue, skb); schedule_event(bcs, B_RCVBUFREADY); } else { printk(KERN_WARNING "HiSax: skb out of memory\n"); } } static inline int dle_count(unsigned char *buf, int len) { int count = 0; while (len--) if (*buf++ == DLE) count++; return count; } static inline void insert_dle(unsigned char *dest, unsigned char *src, int count) { /* in input stream have to be flagged as */ while (count--) { *dest++ = *src; if (*src++ == DLE) *dest++ = DLE; } } static void isar_rcv_frame(struct IsdnCardState *cs, struct BCState *bcs) { u_char *ptr; struct sk_buff *skb; struct isar_reg *ireg = bcs->hw.isar.reg; if (!ireg->clsb) { debugl1(cs, "isar zero len frame"); cs->BC_Write_Reg(cs, 1, ISAR_IIA, 0); return; } switch (bcs->mode) { case L1_MODE_NULL: debugl1(cs, "isar mode 0 spurious IIS_RDATA %x/%x/%x", ireg->iis, ireg->cmsb, ireg->clsb); printk(KERN_WARNING"isar mode 0 spurious IIS_RDATA %x/%x/%x\n", ireg->iis, ireg->cmsb, ireg->clsb); cs->BC_Write_Reg(cs, 1, ISAR_IIA, 0); break; case L1_MODE_TRANS: case L1_MODE_V32: if ((skb = dev_alloc_skb(ireg->clsb))) { rcv_mbox(cs, ireg, (u_char *)skb_put(skb, ireg->clsb)); skb_queue_tail(&bcs->rqueue, skb); schedule_event(bcs, B_RCVBUFREADY); } else { printk(KERN_WARNING "HiSax: skb out of memory\n"); cs->BC_Write_Reg(cs, 1, ISAR_IIA, 0); } break; case L1_MODE_HDLC: if ((bcs->hw.isar.rcvidx + ireg->clsb) > HSCX_BUFMAX) { if (cs->debug & L1_DEB_WARN) debugl1(cs, "isar_rcv_frame: incoming packet too large"); cs->BC_Write_Reg(cs, 1, ISAR_IIA, 0); bcs->hw.isar.rcvidx = 0; } else if (ireg->cmsb & HDLC_ERROR) { if (cs->debug & L1_DEB_WARN) debugl1(cs, "isar frame error %x len %d", ireg->cmsb, ireg->clsb); #ifdef ERROR_STATISTIC if (ireg->cmsb & HDLC_ERR_RER) bcs->err_inv++; if (ireg->cmsb & HDLC_ERR_CER) bcs->err_crc++; #endif bcs->hw.isar.rcvidx = 0; cs->BC_Write_Reg(cs, 1, ISAR_IIA, 0); } else { if (ireg->cmsb & HDLC_FSD) bcs->hw.isar.rcvidx = 0; ptr = bcs->hw.isar.rcvbuf + bcs->hw.isar.rcvidx; bcs->hw.isar.rcvidx += ireg->clsb; rcv_mbox(cs, ireg, ptr); if (ireg->cmsb & HDLC_FED) { if (bcs->hw.isar.rcvidx < 3) { /* last 2 bytes are the FCS */ if (cs->debug & L1_DEB_WARN) debugl1(cs, "isar frame to short %d", bcs->hw.isar.rcvidx); } else if (!(skb = dev_alloc_skb(bcs->hw.isar.rcvidx - 2))) { printk(KERN_WARNING "ISAR: receive out of memory\n"); } else { skb_put_data(skb, bcs->hw.isar.rcvbuf, bcs->hw.isar.rcvidx - 2); skb_queue_tail(&bcs->rqueue, skb); schedule_event(bcs, B_RCVBUFREADY); } bcs->hw.isar.rcvidx = 0; } } break; case L1_MODE_FAX: if (bcs->hw.isar.state != STFAX_ACTIV) { if (cs->debug & L1_DEB_WARN) debugl1(cs, "isar_rcv_frame: not ACTIV"); cs->BC_Write_Reg(cs, 1, ISAR_IIA, 0); bcs->hw.isar.rcvidx = 0; break; } if (bcs->hw.isar.cmd == PCTRL_CMD_FRM) { rcv_mbox(cs, ireg, bcs->hw.isar.rcvbuf); bcs->hw.isar.rcvidx = ireg->clsb + dle_count(bcs->hw.isar.rcvbuf, ireg->clsb); if (cs->debug & L1_DEB_HSCX) debugl1(cs, "isar_rcv_frame: raw(%d) dle(%d)", ireg->clsb, bcs->hw.isar.rcvidx); if ((skb = dev_alloc_skb(bcs->hw.isar.rcvidx))) { insert_dle((u_char *)skb_put(skb, bcs->hw.isar.rcvidx), bcs->hw.isar.rcvbuf, ireg->clsb); skb_queue_tail(&bcs->rqueue, skb); schedule_event(bcs, B_RCVBUFREADY); if (ireg->cmsb & SART_NMD) { /* ABORT */ if (cs->debug & L1_DEB_WARN) debugl1(cs, "isar_rcv_frame: no more data"); bcs->hw.isar.rcvidx = 0; send_DLE_ETX(bcs); sendmsg(cs, SET_DPS(bcs->hw.isar.dpath) | ISAR_HIS_PUMPCTRL, PCTRL_CMD_ESC, 0, NULL); bcs->hw.isar.state = STFAX_ESCAPE; schedule_event(bcs, B_LL_NOCARRIER); } } else { printk(KERN_WARNING "HiSax: skb out of memory\n"); } break; } if (bcs->hw.isar.cmd != PCTRL_CMD_FRH) { if (cs->debug & L1_DEB_WARN) debugl1(cs, "isar_rcv_frame: unknown fax mode %x", bcs->hw.isar.cmd); cs->BC_Write_Reg(cs, 1, ISAR_IIA, 0); bcs->hw.isar.rcvidx = 0; break; } /* PCTRL_CMD_FRH */ if ((bcs->hw.isar.rcvidx + ireg->clsb) > HSCX_BUFMAX) { if (cs->debug & L1_DEB_WARN) debugl1(cs, "isar_rcv_frame: incoming packet too large"); cs->BC_Write_Reg(cs, 1, ISAR_IIA, 0); bcs->hw.isar.rcvidx = 0; } else if (ireg->cmsb & HDLC_ERROR) { if (cs->debug & L1_DEB_WARN) debugl1(cs, "isar frame error %x len %d", ireg->cmsb, ireg->clsb); bcs->hw.isar.rcvidx = 0; cs->BC_Write_Reg(cs, 1, ISAR_IIA, 0); } else { if (ireg->cmsb & HDLC_FSD) { bcs->hw.isar.rcvidx = 0; } ptr = bcs->hw.isar.rcvbuf + bcs->hw.isar.rcvidx; bcs->hw.isar.rcvidx += ireg->clsb; rcv_mbox(cs, ireg, ptr); if (ireg->cmsb & HDLC_FED) { int len = bcs->hw.isar.rcvidx + dle_count(bcs->hw.isar.rcvbuf, bcs->hw.isar.rcvidx); if (bcs->hw.isar.rcvidx < 3) { /* last 2 bytes are the FCS */ if (cs->debug & L1_DEB_WARN) debugl1(cs, "isar frame to short %d", bcs->hw.isar.rcvidx); printk(KERN_WARNING "ISAR: frame to short %d\n", bcs->hw.isar.rcvidx); } else if (!(skb = dev_alloc_skb(len))) { printk(KERN_WARNING "ISAR: receive out of memory\n"); } else { insert_dle((u_char *)skb_put(skb, len), bcs->hw.isar.rcvbuf, bcs->hw.isar.rcvidx); skb_queue_tail(&bcs->rqueue, skb); schedule_event(bcs, B_RCVBUFREADY); send_DLE_ETX(bcs); schedule_event(bcs, B_LL_OK); test_and_clear_bit(BC_FLG_FRH_WAIT, &bcs->Flag); } bcs->hw.isar.rcvidx = 0; } } if (ireg->cmsb & SART_NMD) { /* ABORT */ if (cs->debug & L1_DEB_WARN) debugl1(cs, "isar_rcv_frame: no more data"); bcs->hw.isar.rcvidx = 0; sendmsg(cs, SET_DPS(bcs->hw.isar.dpath) | ISAR_HIS_PUMPCTRL, PCTRL_CMD_ESC, 0, NULL); bcs->hw.isar.state = STFAX_ESCAPE; if (test_and_clear_bit(BC_FLG_FRH_WAIT, &bcs->Flag)) { send_DLE_ETX(bcs); schedule_event(bcs, B_LL_NOCARRIER); } } break; default: printk(KERN_ERR"isar_rcv_frame mode (%x)error\n", bcs->mode); cs->BC_Write_Reg(cs, 1, ISAR_IIA, 0); break; } } void isar_fill_fifo(struct BCState *bcs) { struct IsdnCardState *cs = bcs->cs; int count; u_char msb; u_char *ptr; if ((cs->debug & L1_DEB_HSCX) && !(cs->debug & L1_DEB_HSCX_FIFO)) debugl1(cs, "isar_fill_fifo"); if (!bcs->tx_skb) return; if (bcs->tx_skb->len <= 0) return; if (!(bcs->hw.isar.reg->bstat & (bcs->hw.isar.dpath == 1 ? BSTAT_RDM1 : BSTAT_RDM2))) return; if (bcs->tx_skb->len > bcs->hw.isar.mml) { msb = 0; count = bcs->hw.isar.mml; } else { count = bcs->tx_skb->len; msb = HDLC_FED; } ptr = bcs->tx_skb->data; if (!bcs->hw.isar.txcnt) { msb |= HDLC_FST; if ((bcs->mode == L1_MODE_FAX) && (bcs->hw.isar.cmd == PCTRL_CMD_FTH)) { if (bcs->tx_skb->len > 1) { if ((ptr[0] == 0xff) && (ptr[1] == 0x13)) /* last frame */ test_and_set_bit(BC_FLG_LASTDATA, &bcs->Flag); } } } skb_pull(bcs->tx_skb, count); bcs->tx_cnt -= count; bcs->hw.isar.txcnt += count; switch (bcs->mode) { case L1_MODE_NULL: printk(KERN_ERR"isar_fill_fifo wrong mode 0\n"); break; case L1_MODE_TRANS: case L1_MODE_V32: sendmsg(cs, SET_DPS(bcs->hw.isar.dpath) | ISAR_HIS_SDATA, 0, count, ptr); break; case L1_MODE_HDLC: sendmsg(cs, SET_DPS(bcs->hw.isar.dpath) | ISAR_HIS_SDATA, msb, count, ptr); break; case L1_MODE_FAX: if (bcs->hw.isar.state != STFAX_ACTIV) { if (cs->debug & L1_DEB_WARN) debugl1(cs, "isar_fill_fifo: not ACTIV"); } else if (bcs->hw.isar.cmd == PCTRL_CMD_FTH) { sendmsg(cs, SET_DPS(bcs->hw.isar.dpath) | ISAR_HIS_SDATA, msb, count, ptr); } else if (bcs->hw.isar.cmd == PCTRL_CMD_FTM) { sendmsg(cs, SET_DPS(bcs->hw.isar.dpath) | ISAR_HIS_SDATA, 0, count, ptr); } else { if (cs->debug & L1_DEB_WARN) debugl1(cs, "isar_fill_fifo: not FTH/FTM"); } break; default: if (cs->debug) debugl1(cs, "isar_fill_fifo mode(%x) error", bcs->mode); printk(KERN_ERR"isar_fill_fifo mode(%x) error\n", bcs->mode); break; } } static inline struct BCState *sel_bcs_isar(struct IsdnCardState *cs, u_char dpath) { if ((!dpath) || (dpath == 3)) return (NULL); if (cs->bcs[0].hw.isar.dpath == dpath) return (&cs->bcs[0]); if (cs->bcs[1].hw.isar.dpath == dpath) return (&cs->bcs[1]); return (NULL); } static void send_frames(struct BCState *bcs) { if (bcs->tx_skb) { if (bcs->tx_skb->len) { isar_fill_fifo(bcs); return; } else { if (test_bit(FLG_LLI_L1WAKEUP, &bcs->st->lli.flag) && (PACKET_NOACK != bcs->tx_skb->pkt_type)) { u_long flags; spin_lock_irqsave(&bcs->aclock, flags); bcs->ackcnt += bcs->hw.isar.txcnt; spin_unlock_irqrestore(&bcs->aclock, flags); schedule_event(bcs, B_ACKPENDING); } if (bcs->mode == L1_MODE_FAX) { if (bcs->hw.isar.cmd == PCTRL_CMD_FTH) { if (test_bit(BC_FLG_LASTDATA, &bcs->Flag)) { test_and_set_bit(BC_FLG_NMD_DATA, &bcs->Flag); } } else if (bcs->hw.isar.cmd == PCTRL_CMD_FTM) { if (test_bit(BC_FLG_DLEETX, &bcs->Flag)) { test_and_set_bit(BC_FLG_LASTDATA, &bcs->Flag); test_and_set_bit(BC_FLG_NMD_DATA, &bcs->Flag); } } } dev_kfree_skb_any(bcs->tx_skb); bcs->hw.isar.txcnt = 0; bcs->tx_skb = NULL; } } if ((bcs->tx_skb = skb_dequeue(&bcs->squeue))) { bcs->hw.isar.txcnt = 0; test_and_set_bit(BC_FLG_BUSY, &bcs->Flag); isar_fill_fifo(bcs); } else { if (test_and_clear_bit(BC_FLG_DLEETX, &bcs->Flag)) { if (test_and_clear_bit(BC_FLG_LASTDATA, &bcs->Flag)) { if (test_and_clear_bit(BC_FLG_NMD_DATA, &bcs->Flag)) { u_char dummy = 0; sendmsg(bcs->cs, SET_DPS(bcs->hw.isar.dpath) | ISAR_HIS_SDATA, 0x01, 1, &dummy); } test_and_set_bit(BC_FLG_LL_OK, &bcs->Flag); } else { schedule_event(bcs, B_LL_CONNECT); } } test_and_clear_bit(BC_FLG_BUSY, &bcs->Flag); schedule_event(bcs, B_XMTBUFREADY); } } static inline void check_send(struct IsdnCardState *cs, u_char rdm) { struct BCState *bcs; if (rdm & BSTAT_RDM1) { if ((bcs = sel_bcs_isar(cs, 1))) { if (bcs->mode) { send_frames(bcs); } } } if (rdm & BSTAT_RDM2) { if ((bcs = sel_bcs_isar(cs, 2))) { if (bcs->mode) { send_frames(bcs); } } } } static const char *dmril[] = {"NO SPEED", "1200/75", "NODEF2", "75/1200", "NODEF4", "300", "600", "1200", "2400", "4800", "7200", "9600nt", "9600t", "12000", "14400", "WRONG"}; static const char *dmrim[] = {"NO MOD", "NO DEF", "V32/V32b", "V22", "V21", "Bell103", "V23", "Bell202", "V17", "V29", "V27ter"}; static void isar_pump_status_rsp(struct BCState *bcs, struct isar_reg *ireg) { struct IsdnCardState *cs = bcs->cs; u_char ril = ireg->par[0]; u_char rim; if (!test_and_clear_bit(ISAR_RATE_REQ, &bcs->hw.isar.reg->Flags)) return; if (ril > 14) { if (cs->debug & L1_DEB_WARN) debugl1(cs, "wrong pstrsp ril=%d", ril); ril = 15; } switch (ireg->par[1]) { case 0: rim = 0; break; case 0x20: rim = 2; break; case 0x40: rim = 3; break; case 0x41: rim = 4; break; case 0x51: rim = 5; break; case 0x61: rim = 6; break; case 0x71: rim = 7; break; case 0x82: rim = 8; break; case 0x92: rim = 9; break; case 0xa2: rim = 10; break; default: rim = 1; break; } sprintf(bcs->hw.isar.conmsg, "%s %s", dmril[ril], dmrim[rim]); bcs->conmsg = bcs->hw.isar.conmsg; if (cs->debug & L1_DEB_HSCX) debugl1(cs, "pump strsp %s", bcs->conmsg); } static void isar_pump_statev_modem(struct BCState *bcs, u_char devt) { struct IsdnCardState *cs = bcs->cs; u_char dps = SET_DPS(bcs->hw.isar.dpath); switch (devt) { case PSEV_10MS_TIMER: if (cs->debug & L1_DEB_HSCX) debugl1(cs, "pump stev TIMER"); break; case PSEV_CON_ON: if (cs->debug & L1_DEB_HSCX) debugl1(cs, "pump stev CONNECT"); l1_msg_b(bcs->st, PH_ACTIVATE | REQUEST, NULL); break; case PSEV_CON_OFF: if (cs->debug & L1_DEB_HSCX) debugl1(cs, "pump stev NO CONNECT"); sendmsg(cs, dps | ISAR_HIS_PSTREQ, 0, 0, NULL); l1_msg_b(bcs->st, PH_DEACTIVATE | REQUEST, NULL); break; case PSEV_V24_OFF: if (cs->debug & L1_DEB_HSCX) debugl1(cs, "pump stev V24 OFF"); break; case PSEV_CTS_ON: if (cs->debug & L1_DEB_HSCX) debugl1(cs, "pump stev CTS ON"); break; case PSEV_CTS_OFF: if (cs->debug & L1_DEB_HSCX) debugl1(cs, "pump stev CTS OFF"); break; case PSEV_DCD_ON: if (cs->debug & L1_DEB_HSCX) debugl1(cs, "pump stev CARRIER ON"); test_and_set_bit(ISAR_RATE_REQ, &bcs->hw.isar.reg->Flags); sendmsg(cs, dps | ISAR_HIS_PSTREQ, 0, 0, NULL); break; case PSEV_DCD_OFF: if (cs->debug & L1_DEB_HSCX) debugl1(cs, "pump stev CARRIER OFF"); break; case PSEV_DSR_ON: if (cs->debug & L1_DEB_HSCX) debugl1(cs, "pump stev DSR ON"); break; case PSEV_DSR_OFF: if (cs->debug & L1_DEB_HSCX) debugl1(cs, "pump stev DSR_OFF"); break; case PSEV_REM_RET: if (cs->debug & L1_DEB_HSCX) debugl1(cs, "pump stev REMOTE RETRAIN"); break; case PSEV_REM_REN: if (cs->debug & L1_DEB_HSCX) debugl1(cs, "pump stev REMOTE RENEGOTIATE"); break; case PSEV_GSTN_CLR: if (cs->debug & L1_DEB_HSCX) debugl1(cs, "pump stev GSTN CLEAR"); break; default: if (cs->debug & L1_DEB_HSCX) debugl1(cs, "unknown pump stev %x", devt); break; } } static void ll_deliver_faxstat(struct BCState *bcs, u_char status) { isdn_ctrl ic; struct Channel *chanp = (struct Channel *) bcs->st->lli.userdata; if (bcs->cs->debug & L1_DEB_HSCX) debugl1(bcs->cs, "HL->LL FAXIND %x", status); ic.driver = bcs->cs->myid; ic.command = ISDN_STAT_FAXIND; ic.arg = chanp->chan; ic.parm.aux.cmd = status; bcs->cs->iif.statcallb(&ic); } static void isar_pump_statev_fax(struct BCState *bcs, u_char devt) { struct IsdnCardState *cs = bcs->cs; u_char dps = SET_DPS(bcs->hw.isar.dpath); u_char p1; switch (devt) { case PSEV_10MS_TIMER: if (cs->debug & L1_DEB_HSCX) debugl1(cs, "pump stev TIMER"); break; case PSEV_RSP_READY: if (cs->debug & L1_DEB_HSCX) debugl1(cs, "pump stev RSP_READY"); bcs->hw.isar.state = STFAX_READY; l1_msg_b(bcs->st, PH_ACTIVATE | REQUEST, NULL); if (test_bit(BC_FLG_ORIG, &bcs->Flag)) { isar_pump_cmd(bcs, ISDN_FAX_CLASS1_FRH, 3); } else { isar_pump_cmd(bcs, ISDN_FAX_CLASS1_FTH, 3); } break; case PSEV_LINE_TX_H: if (bcs->hw.isar.state == STFAX_LINE) { if (cs->debug & L1_DEB_HSCX) debugl1(cs, "pump stev LINE_TX_H"); bcs->hw.isar.state = STFAX_CONT; sendmsg(cs, dps | ISAR_HIS_PUMPCTRL, PCTRL_CMD_CONT, 0, NULL); } else { if (cs->debug & L1_DEB_WARN) debugl1(cs, "pump stev LINE_TX_H wrong st %x", bcs->hw.isar.state); } break; case PSEV_LINE_RX_H: if (bcs->hw.isar.state == STFAX_LINE) { if (cs->debug & L1_DEB_HSCX) debugl1(cs, "pump stev LINE_RX_H"); bcs->hw.isar.state = STFAX_CONT; sendmsg(cs, dps | ISAR_HIS_PUMPCTRL, PCTRL_CMD_CONT, 0, NULL); } else { if (cs->debug & L1_DEB_WARN) debugl1(cs, "pump stev LINE_RX_H wrong st %x", bcs->hw.isar.state); } break; case PSEV_LINE_TX_B: if (bcs->hw.isar.state == STFAX_LINE) { if (cs->debug & L1_DEB_HSCX) debugl1(cs, "pump stev LINE_TX_B"); bcs->hw.isar.state = STFAX_CONT; sendmsg(cs, dps | ISAR_HIS_PUMPCTRL, PCTRL_CMD_CONT, 0, NULL); } else { if (cs->debug & L1_DEB_WARN) debugl1(cs, "pump stev LINE_TX_B wrong st %x", bcs->hw.isar.state); } break; case PSEV_LINE_RX_B: if (bcs->hw.isar.state == STFAX_LINE) { if (cs->debug & L1_DEB_HSCX) debugl1(cs, "pump stev LINE_RX_B"); bcs->hw.isar.state = STFAX_CONT; sendmsg(cs, dps | ISAR_HIS_PUMPCTRL, PCTRL_CMD_CONT, 0, NULL); } else { if (cs->debug & L1_DEB_WARN) debugl1(cs, "pump stev LINE_RX_B wrong st %x", bcs->hw.isar.state); } break; case PSEV_RSP_CONN: if (bcs->hw.isar.state == STFAX_CONT) { if (cs->debug & L1_DEB_HSCX) debugl1(cs, "pump stev RSP_CONN"); bcs->hw.isar.state = STFAX_ACTIV; test_and_set_bit(ISAR_RATE_REQ, &bcs->hw.isar.reg->Flags); sendmsg(cs, dps | ISAR_HIS_PSTREQ, 0, 0, NULL); if (bcs->hw.isar.cmd == PCTRL_CMD_FTH) { /* 1s Flags before data */ if (test_and_set_bit(BC_FLG_FTI_RUN, &bcs->Flag)) del_timer(&bcs->hw.isar.ftimer); /* 1000 ms */ bcs->hw.isar.ftimer.expires = jiffies + ((1000 * HZ) / 1000); test_and_set_bit(BC_FLG_LL_CONN, &bcs->Flag); add_timer(&bcs->hw.isar.ftimer); } else { schedule_event(bcs, B_LL_CONNECT); } } else { if (cs->debug & L1_DEB_WARN) debugl1(cs, "pump stev RSP_CONN wrong st %x", bcs->hw.isar.state); } break; case PSEV_FLAGS_DET: if (cs->debug & L1_DEB_HSCX) debugl1(cs, "pump stev FLAGS_DET"); break; case PSEV_RSP_DISC: if (cs->debug & L1_DEB_HSCX) debugl1(cs, "pump stev RSP_DISC"); if (bcs->hw.isar.state == STFAX_ESCAPE) { p1 = 5; switch (bcs->hw.isar.newcmd) { case 0: bcs->hw.isar.state = STFAX_READY; break; case PCTRL_CMD_FTM: p1 = 2; case PCTRL_CMD_FTH: sendmsg(cs, dps | ISAR_HIS_PUMPCTRL, PCTRL_CMD_SILON, 1, &p1); bcs->hw.isar.state = STFAX_SILDET; break; case PCTRL_CMD_FRM: if (frm_extra_delay) mdelay(frm_extra_delay); case PCTRL_CMD_FRH: p1 = bcs->hw.isar.mod = bcs->hw.isar.newmod; bcs->hw.isar.newmod = 0; bcs->hw.isar.cmd = bcs->hw.isar.newcmd; bcs->hw.isar.newcmd = 0; sendmsg(cs, dps | ISAR_HIS_PUMPCTRL, bcs->hw.isar.cmd, 1, &p1); bcs->hw.isar.state = STFAX_LINE; bcs->hw.isar.try_mod = 3; break; default: if (cs->debug & L1_DEB_HSCX) debugl1(cs, "RSP_DISC unknown newcmd %x", bcs->hw.isar.newcmd); break; } } else if (bcs->hw.isar.state == STFAX_ACTIV) { if (test_and_clear_bit(BC_FLG_LL_OK, &bcs->Flag)) { schedule_event(bcs, B_LL_OK); } else if (bcs->hw.isar.cmd == PCTRL_CMD_FRM) { send_DLE_ETX(bcs); schedule_event(bcs, B_LL_NOCARRIER); } else { ll_deliver_faxstat(bcs, ISDN_FAX_CLASS1_FCERROR); } bcs->hw.isar.state = STFAX_READY; } else { bcs->hw.isar.state = STFAX_READY; ll_deliver_faxstat(bcs, ISDN_FAX_CLASS1_FCERROR); } break; case PSEV_RSP_SILDET: if (cs->debug & L1_DEB_HSCX) debugl1(cs, "pump stev RSP_SILDET"); if (bcs->hw.isar.state == STFAX_SILDET) { p1 = bcs->hw.isar.mod = bcs->hw.isar.newmod; bcs->hw.isar.newmod = 0; bcs->hw.isar.cmd = bcs->hw.isar.newcmd; bcs->hw.isar.newcmd = 0; sendmsg(cs, dps | ISAR_HIS_PUMPCTRL, bcs->hw.isar.cmd, 1, &p1); bcs->hw.isar.state = STFAX_LINE; bcs->hw.isar.try_mod = 3; } break; case PSEV_RSP_SILOFF: if (cs->debug & L1_DEB_HSCX) debugl1(cs, "pump stev RSP_SILOFF"); break; case PSEV_RSP_FCERR: if (bcs->hw.isar.state == STFAX_LINE) { if (cs->debug & L1_DEB_HSCX) debugl1(cs, "pump stev RSP_FCERR try %d", bcs->hw.isar.try_mod); if (bcs->hw.isar.try_mod--) { sendmsg(cs, dps | ISAR_HIS_PUMPCTRL, bcs->hw.isar.cmd, 1, &bcs->hw.isar.mod); break; } } if (cs->debug & L1_DEB_HSCX) debugl1(cs, "pump stev RSP_FCERR"); bcs->hw.isar.state = STFAX_ESCAPE; sendmsg(cs, dps | ISAR_HIS_PUMPCTRL, PCTRL_CMD_ESC, 0, NULL); ll_deliver_faxstat(bcs, ISDN_FAX_CLASS1_FCERROR); break; default: break; } } static char debbuf[128]; void isar_int_main(struct IsdnCardState *cs) { struct isar_reg *ireg = cs->bcs[0].hw.isar.reg; struct BCState *bcs; get_irq_infos(cs, ireg); switch (ireg->iis & ISAR_IIS_MSCMSD) { case ISAR_IIS_RDATA: if ((bcs = sel_bcs_isar(cs, ireg->iis >> 6))) { isar_rcv_frame(cs, bcs); } else { debugl1(cs, "isar spurious IIS_RDATA %x/%x/%x", ireg->iis, ireg->cmsb, ireg->clsb); cs->BC_Write_Reg(cs, 1, ISAR_IIA, 0); } break; case ISAR_IIS_GSTEV: cs->BC_Write_Reg(cs, 1, ISAR_IIA, 0); ireg->bstat |= ireg->cmsb; check_send(cs, ireg->cmsb); break; case ISAR_IIS_BSTEV: #ifdef ERROR_STATISTIC if ((bcs = sel_bcs_isar(cs, ireg->iis >> 6))) { if (ireg->cmsb == BSTEV_TBO) bcs->err_tx++; if (ireg->cmsb == BSTEV_RBO) bcs->err_rdo++; } #endif if (cs->debug & L1_DEB_WARN) debugl1(cs, "Buffer STEV dpath%d msb(%x)", ireg->iis >> 6, ireg->cmsb); cs->BC_Write_Reg(cs, 1, ISAR_IIA, 0); break; case ISAR_IIS_PSTEV: if ((bcs = sel_bcs_isar(cs, ireg->iis >> 6))) { rcv_mbox(cs, ireg, (u_char *)ireg->par); if (bcs->mode == L1_MODE_V32) { isar_pump_statev_modem(bcs, ireg->cmsb); } else if (bcs->mode == L1_MODE_FAX) { isar_pump_statev_fax(bcs, ireg->cmsb); } else if (ireg->cmsb == PSEV_10MS_TIMER) { if (cs->debug & L1_DEB_HSCX) debugl1(cs, "pump stev TIMER"); } else { if (cs->debug & L1_DEB_WARN) debugl1(cs, "isar IIS_PSTEV pmode %d stat %x", bcs->mode, ireg->cmsb); } } else { debugl1(cs, "isar spurious IIS_PSTEV %x/%x/%x", ireg->iis, ireg->cmsb, ireg->clsb); cs->BC_Write_Reg(cs, 1, ISAR_IIA, 0); } break; case ISAR_IIS_PSTRSP: if ((bcs = sel_bcs_isar(cs, ireg->iis >> 6))) { rcv_mbox(cs, ireg, (u_char *)ireg->par); isar_pump_status_rsp(bcs, ireg); } else { debugl1(cs, "isar spurious IIS_PSTRSP %x/%x/%x", ireg->iis, ireg->cmsb, ireg->clsb); cs->BC_Write_Reg(cs, 1, ISAR_IIA, 0); } break; case ISAR_IIS_DIAG: case ISAR_IIS_BSTRSP: case ISAR_IIS_IOM2RSP: rcv_mbox(cs, ireg, (u_char *)ireg->par); if ((cs->debug & (L1_DEB_HSCX | L1_DEB_HSCX_FIFO)) == L1_DEB_HSCX) { u_char *tp = debbuf; tp += sprintf(debbuf, "msg iis(%x) msb(%x)", ireg->iis, ireg->cmsb); QuickHex(tp, (u_char *)ireg->par, ireg->clsb); debugl1(cs, "%s", debbuf); } break; case ISAR_IIS_INVMSG: rcv_mbox(cs, ireg, debbuf); if (cs->debug & L1_DEB_WARN) debugl1(cs, "invalid msg his:%x", ireg->cmsb); break; default: rcv_mbox(cs, ireg, debbuf); if (cs->debug & L1_DEB_WARN) debugl1(cs, "unhandled msg iis(%x) ctrl(%x/%x)", ireg->iis, ireg->cmsb, ireg->clsb); break; } } static void ftimer_handler(struct timer_list *t) { struct BCState *bcs = from_timer(bcs, t, hw.isar.ftimer); if (bcs->cs->debug) debugl1(bcs->cs, "ftimer flags %04lx", bcs->Flag); test_and_clear_bit(BC_FLG_FTI_RUN, &bcs->Flag); if (test_and_clear_bit(BC_FLG_LL_CONN, &bcs->Flag)) { schedule_event(bcs, B_LL_CONNECT); } if (test_and_clear_bit(BC_FLG_FTI_FTS, &bcs->Flag)) { schedule_event(bcs, B_LL_OK); } } static void setup_pump(struct BCState *bcs) { struct IsdnCardState *cs = bcs->cs; u_char dps = SET_DPS(bcs->hw.isar.dpath); u_char ctrl, param[6]; switch (bcs->mode) { case L1_MODE_NULL: case L1_MODE_TRANS: case L1_MODE_HDLC: sendmsg(cs, dps | ISAR_HIS_PUMPCFG, PMOD_BYPASS, 0, NULL); break; case L1_MODE_V32: ctrl = PMOD_DATAMODEM; if (test_bit(BC_FLG_ORIG, &bcs->Flag)) { ctrl |= PCTRL_ORIG; param[5] = PV32P6_CTN; } else { param[5] = PV32P6_ATN; } param[0] = para_TOA; /* 6 db */ param[1] = PV32P2_V23R | PV32P2_V22A | PV32P2_V22B | PV32P2_V22C | PV32P2_V21 | PV32P2_BEL; param[2] = PV32P3_AMOD | PV32P3_V32B | PV32P3_V23B; param[3] = PV32P4_UT144; param[4] = PV32P5_UT144; sendmsg(cs, dps | ISAR_HIS_PUMPCFG, ctrl, 6, param); break; case L1_MODE_FAX: ctrl = PMOD_FAX; if (test_bit(BC_FLG_ORIG, &bcs->Flag)) { ctrl |= PCTRL_ORIG; param[1] = PFAXP2_CTN; } else { param[1] = PFAXP2_ATN; } param[0] = para_TOA; /* 6 db */ sendmsg(cs, dps | ISAR_HIS_PUMPCFG, ctrl, 2, param); bcs->hw.isar.state = STFAX_NULL; bcs->hw.isar.newcmd = 0; bcs->hw.isar.newmod = 0; test_and_set_bit(BC_FLG_FTI_RUN, &bcs->Flag); break; } udelay(1000); sendmsg(cs, dps | ISAR_HIS_PSTREQ, 0, 0, NULL); udelay(1000); } static void setup_sart(struct BCState *bcs) { struct IsdnCardState *cs = bcs->cs; u_char dps = SET_DPS(bcs->hw.isar.dpath); u_char ctrl, param[2]; switch (bcs->mode) { case L1_MODE_NULL: sendmsg(cs, dps | ISAR_HIS_SARTCFG, SMODE_DISABLE, 0, NULL); break; case L1_MODE_TRANS: sendmsg(cs, dps | ISAR_HIS_SARTCFG, SMODE_BINARY, 2, "\0\0"); break; case L1_MODE_HDLC: param[0] = 0; sendmsg(cs, dps | ISAR_HIS_SARTCFG, SMODE_HDLC, 1, param); break; case L1_MODE_V32: ctrl = SMODE_V14 | SCTRL_HDMC_BOTH; param[0] = S_P1_CHS_8; param[1] = S_P2_BFT_DEF; sendmsg(cs, dps | ISAR_HIS_SARTCFG, ctrl, 2, param); break; case L1_MODE_FAX: /* SART must not configured with FAX */ break; } udelay(1000); sendmsg(cs, dps | ISAR_HIS_BSTREQ, 0, 0, NULL); udelay(1000); } static void setup_iom2(struct BCState *bcs) { struct IsdnCardState *cs = bcs->cs; u_char dps = SET_DPS(bcs->hw.isar.dpath); u_char cmsb = IOM_CTRL_ENA, msg[5] = {IOM_P1_TXD, 0, 0, 0, 0}; if (bcs->channel) msg[1] = msg[3] = 1; switch (bcs->mode) { case L1_MODE_NULL: cmsb = 0; /* dummy slot */ msg[1] = msg[3] = bcs->hw.isar.dpath + 2; break; case L1_MODE_TRANS: case L1_MODE_HDLC: break; case L1_MODE_V32: case L1_MODE_FAX: cmsb |= IOM_CTRL_ALAW | IOM_CTRL_RCV; break; } sendmsg(cs, dps | ISAR_HIS_IOM2CFG, cmsb, 5, msg); udelay(1000); sendmsg(cs, dps | ISAR_HIS_IOM2REQ, 0, 0, NULL); udelay(1000); } static int modeisar(struct BCState *bcs, int mode, int bc) { struct IsdnCardState *cs = bcs->cs; /* Here we are selecting the best datapath for requested mode */ if (bcs->mode == L1_MODE_NULL) { /* New Setup */ bcs->channel = bc; switch (mode) { case L1_MODE_NULL: /* init */ if (!bcs->hw.isar.dpath) /* no init for dpath 0 */ return (0); break; case L1_MODE_TRANS: case L1_MODE_HDLC: /* best is datapath 2 */ if (!test_and_set_bit(ISAR_DP2_USE, &bcs->hw.isar.reg->Flags)) bcs->hw.isar.dpath = 2; else if (!test_and_set_bit(ISAR_DP1_USE, &bcs->hw.isar.reg->Flags)) bcs->hw.isar.dpath = 1; else { printk(KERN_WARNING"isar modeisar both paths in use\n"); return (1); } break; case L1_MODE_V32: case L1_MODE_FAX: /* only datapath 1 */ if (!test_and_set_bit(ISAR_DP1_USE, &bcs->hw.isar.reg->Flags)) bcs->hw.isar.dpath = 1; else { printk(KERN_WARNING"isar modeisar analog functions only with DP1\n"); debugl1(cs, "isar modeisar analog functions only with DP1"); return (1); } break; } } if (cs->debug & L1_DEB_HSCX) debugl1(cs, "isar dp%d mode %d->%d ichan %d", bcs->hw.isar.dpath, bcs->mode, mode, bc); bcs->mode = mode; setup_pump(bcs); setup_iom2(bcs); setup_sart(bcs); if (bcs->mode == L1_MODE_NULL) { /* Clear resources */ if (bcs->hw.isar.dpath == 1) test_and_clear_bit(ISAR_DP1_USE, &bcs->hw.isar.reg->Flags); else if (bcs->hw.isar.dpath == 2) test_and_clear_bit(ISAR_DP2_USE, &bcs->hw.isar.reg->Flags); bcs->hw.isar.dpath = 0; } return (0); } static void isar_pump_cmd(struct BCState *bcs, u_char cmd, u_char para) { struct IsdnCardState *cs = bcs->cs; u_char dps = SET_DPS(bcs->hw.isar.dpath); u_char ctrl = 0, nom = 0, p1 = 0; switch (cmd) { case ISDN_FAX_CLASS1_FTM: test_and_clear_bit(BC_FLG_FRH_WAIT, &bcs->Flag); if (bcs->hw.isar.state == STFAX_READY) { p1 = para; ctrl = PCTRL_CMD_FTM; nom = 1; bcs->hw.isar.state = STFAX_LINE; bcs->hw.isar.cmd = ctrl; bcs->hw.isar.mod = para; bcs->hw.isar.newmod = 0; bcs->hw.isar.newcmd = 0; bcs->hw.isar.try_mod = 3; } else if ((bcs->hw.isar.state == STFAX_ACTIV) && (bcs->hw.isar.cmd == PCTRL_CMD_FTM) && (bcs->hw.isar.mod == para)) { ll_deliver_faxstat(bcs, ISDN_FAX_CLASS1_CONNECT); } else { bcs->hw.isar.newmod = para; bcs->hw.isar.newcmd = PCTRL_CMD_FTM; nom = 0; ctrl = PCTRL_CMD_ESC; bcs->hw.isar.state = STFAX_ESCAPE; } break; case ISDN_FAX_CLASS1_FTH: test_and_clear_bit(BC_FLG_FRH_WAIT, &bcs->Flag); if (bcs->hw.isar.state == STFAX_READY) { p1 = para; ctrl = PCTRL_CMD_FTH; nom = 1; bcs->hw.isar.state = STFAX_LINE; bcs->hw.isar.cmd = ctrl; bcs->hw.isar.mod = para; bcs->hw.isar.newmod = 0; bcs->hw.isar.newcmd = 0; bcs->hw.isar.try_mod = 3; } else if ((bcs->hw.isar.state == STFAX_ACTIV) && (bcs->hw.isar.cmd == PCTRL_CMD_FTH) && (bcs->hw.isar.mod == para)) { ll_deliver_faxstat(bcs, ISDN_FAX_CLASS1_CONNECT); } else { bcs->hw.isar.newmod = para; bcs->hw.isar.newcmd = PCTRL_CMD_FTH; nom = 0; ctrl = PCTRL_CMD_ESC; bcs->hw.isar.state = STFAX_ESCAPE; } break; case ISDN_FAX_CLASS1_FRM: test_and_clear_bit(BC_FLG_FRH_WAIT, &bcs->Flag); if (bcs->hw.isar.state == STFAX_READY) { p1 = para; ctrl = PCTRL_CMD_FRM; nom = 1; bcs->hw.isar.state = STFAX_LINE; bcs->hw.isar.cmd = ctrl; bcs->hw.isar.mod = para; bcs->hw.isar.newmod = 0; bcs->hw.isar.newcmd = 0; bcs->hw.isar.try_mod = 3; } else if ((bcs->hw.isar.state == STFAX_ACTIV) && (bcs->hw.isar.cmd == PCTRL_CMD_FRM) && (bcs->hw.isar.mod == para)) { ll_deliver_faxstat(bcs, ISDN_FAX_CLASS1_CONNECT); } else { bcs->hw.isar.newmod = para; bcs->hw.isar.newcmd = PCTRL_CMD_FRM; nom = 0; ctrl = PCTRL_CMD_ESC; bcs->hw.isar.state = STFAX_ESCAPE; } break; case ISDN_FAX_CLASS1_FRH: test_and_set_bit(BC_FLG_FRH_WAIT, &bcs->Flag); if (bcs->hw.isar.state == STFAX_READY) { p1 = para; ctrl = PCTRL_CMD_FRH; nom = 1; bcs->hw.isar.state = STFAX_LINE; bcs->hw.isar.cmd = ctrl; bcs->hw.isar.mod = para; bcs->hw.isar.newmod = 0; bcs->hw.isar.newcmd = 0; bcs->hw.isar.try_mod = 3; } else if ((bcs->hw.isar.state == STFAX_ACTIV) && (bcs->hw.isar.cmd == PCTRL_CMD_FRH) && (bcs->hw.isar.mod == para)) { ll_deliver_faxstat(bcs, ISDN_FAX_CLASS1_CONNECT); } else { bcs->hw.isar.newmod = para; bcs->hw.isar.newcmd = PCTRL_CMD_FRH; nom = 0; ctrl = PCTRL_CMD_ESC; bcs->hw.isar.state = STFAX_ESCAPE; } break; case ISDN_FAXPUMP_HALT: bcs->hw.isar.state = STFAX_NULL; nom = 0; ctrl = PCTRL_CMD_HALT; break; } if (ctrl) sendmsg(cs, dps | ISAR_HIS_PUMPCTRL, ctrl, nom, &p1); } static void isar_setup(struct IsdnCardState *cs) { u_char msg; int i; /* Dpath 1, 2 */ msg = 61; for (i = 0; i < 2; i++) { /* Buffer Config */ sendmsg(cs, (i ? ISAR_HIS_DPS2 : ISAR_HIS_DPS1) | ISAR_HIS_P12CFG, 4, 1, &msg); cs->bcs[i].hw.isar.mml = msg; cs->bcs[i].mode = 0; cs->bcs[i].hw.isar.dpath = i + 1; modeisar(&cs->bcs[i], 0, 0); INIT_WORK(&cs->bcs[i].tqueue, isar_bh); } } static void isar_l2l1(struct PStack *st, int pr, void *arg) { struct BCState *bcs = st->l1.bcs; struct sk_buff *skb = arg; int ret; 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); if (bcs->cs->debug & L1_DEB_HSCX) debugl1(bcs->cs, "DRQ set BC_FLG_BUSY"); bcs->hw.isar.txcnt = 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 "isar_l2l1: this shouldn't happen\n"); } else { test_and_set_bit(BC_FLG_BUSY, &bcs->Flag); if (bcs->cs->debug & L1_DEB_HSCX) debugl1(bcs->cs, "PUI set BC_FLG_BUSY"); bcs->tx_skb = skb; bcs->hw.isar.txcnt = 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); bcs->hw.isar.conmsg[0] = 0; if (test_bit(FLG_ORIG, &st->l2.flag)) test_and_set_bit(BC_FLG_ORIG, &bcs->Flag); else test_and_clear_bit(BC_FLG_ORIG, &bcs->Flag); switch (st->l1.mode) { case L1_MODE_TRANS: case L1_MODE_HDLC: ret = modeisar(bcs, st->l1.mode, st->l1.bc); spin_unlock_irqrestore(&bcs->cs->lock, flags); if (ret) l1_msg_b(st, PH_DEACTIVATE | REQUEST, arg); else l1_msg_b(st, PH_ACTIVATE | REQUEST, arg); break; case L1_MODE_V32: case L1_MODE_FAX: ret = modeisar(bcs, st->l1.mode, st->l1.bc); spin_unlock_irqrestore(&bcs->cs->lock, flags); if (ret) l1_msg_b(st, PH_DEACTIVATE | REQUEST, arg); break; default: spin_unlock_irqrestore(&bcs->cs->lock, flags); break; } break; case (PH_DEACTIVATE | REQUEST): l1_msg_b(st, pr, arg); break; case (PH_DEACTIVATE | CONFIRM): spin_lock_irqsave(&bcs->cs->lock, flags); switch (st->l1.mode) { case L1_MODE_TRANS: case L1_MODE_HDLC: case L1_MODE_V32: break; case L1_MODE_FAX: isar_pump_cmd(bcs, ISDN_FAXPUMP_HALT, 0); break; } test_and_clear_bit(BC_FLG_ACTIV, &bcs->Flag); test_and_clear_bit(BC_FLG_BUSY, &bcs->Flag); if (bcs->cs->debug & L1_DEB_HSCX) debugl1(bcs->cs, "PDAC clear BC_FLG_BUSY"); modeisar(bcs, 0, st->l1.bc); spin_unlock_irqrestore(&bcs->cs->lock, flags); st->l1.l1l2(st, PH_DEACTIVATE | CONFIRM, NULL); break; } } static void close_isarstate(struct BCState *bcs) { modeisar(bcs, 0, bcs->channel); if (test_and_clear_bit(BC_FLG_INIT, &bcs->Flag)) { kfree(bcs->hw.isar.rcvbuf); bcs->hw.isar.rcvbuf = 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); if (bcs->cs->debug & L1_DEB_HSCX) debugl1(bcs->cs, "closeisar clear BC_FLG_BUSY"); } } del_timer(&bcs->hw.isar.ftimer); } static int open_isarstate(struct IsdnCardState *cs, struct BCState *bcs) { if (!test_and_set_bit(BC_FLG_INIT, &bcs->Flag)) { if (!(bcs->hw.isar.rcvbuf = kmalloc(HSCX_BUFMAX, GFP_ATOMIC))) { printk(KERN_WARNING "HiSax: No memory for isar.rcvbuf\n"); return (1); } 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); if (cs->debug & L1_DEB_HSCX) debugl1(cs, "openisar clear BC_FLG_BUSY"); bcs->event = 0; bcs->hw.isar.rcvidx = 0; bcs->tx_cnt = 0; return (0); } static int setstack_isar(struct PStack *st, struct BCState *bcs) { bcs->channel = st->l1.bc; if (open_isarstate(st->l1.hardware, bcs)) return (-1); st->l1.bcs = bcs; st->l2.l2l1 = isar_l2l1; setstack_manager(st); bcs->st = st; setstack_l1_B(st); return (0); } int isar_auxcmd(struct IsdnCardState *cs, isdn_ctrl *ic) { u_long adr; int features, i; struct BCState *bcs; if (cs->debug & L1_DEB_HSCX) debugl1(cs, "isar_auxcmd cmd/ch %x/%ld", ic->command, ic->arg); switch (ic->command) { case (ISDN_CMD_FAXCMD): bcs = cs->channel[ic->arg].bcs; if (cs->debug & L1_DEB_HSCX) debugl1(cs, "isar_auxcmd cmd/subcmd %d/%d", ic->parm.aux.cmd, ic->parm.aux.subcmd); switch (ic->parm.aux.cmd) { case ISDN_FAX_CLASS1_CTRL: if (ic->parm.aux.subcmd == ETX) test_and_set_bit(BC_FLG_DLEETX, &bcs->Flag); break; case ISDN_FAX_CLASS1_FTS: if (ic->parm.aux.subcmd == AT_QUERY) { ic->command = ISDN_STAT_FAXIND; ic->parm.aux.cmd = ISDN_FAX_CLASS1_OK; cs->iif.statcallb(ic); return (0); } else if (ic->parm.aux.subcmd == AT_EQ_QUERY) { strcpy(ic->parm.aux.para, "0-255"); ic->command = ISDN_STAT_FAXIND; ic->parm.aux.cmd = ISDN_FAX_CLASS1_QUERY; cs->iif.statcallb(ic); return (0); } else if (ic->parm.aux.subcmd == AT_EQ_VALUE) { if (cs->debug & L1_DEB_HSCX) debugl1(cs, "isar_auxcmd %s=%d", FC1_CMD[ic->parm.aux.cmd], ic->parm.aux.para[0]); if (bcs->hw.isar.state == STFAX_READY) { if (!ic->parm.aux.para[0]) { ic->command = ISDN_STAT_FAXIND; ic->parm.aux.cmd = ISDN_FAX_CLASS1_OK; cs->iif.statcallb(ic); return (0); } if (!test_and_set_bit(BC_FLG_FTI_RUN, &bcs->Flag)) { /* n*10 ms */ bcs->hw.isar.ftimer.expires = jiffies + ((ic->parm.aux.para[0] * 10 * HZ) / 1000); test_and_set_bit(BC_FLG_FTI_FTS, &bcs->Flag); add_timer(&bcs->hw.isar.ftimer); return (0); } else { if (cs->debug) debugl1(cs, "isar FTS=%d and FTI busy", ic->parm.aux.para[0]); } } else { if (cs->debug) debugl1(cs, "isar FTS=%d and isar.state not ready(%x)", ic->parm.aux.para[0], bcs->hw.isar.state); } ic->command = ISDN_STAT_FAXIND; ic->parm.aux.cmd = ISDN_FAX_CLASS1_ERROR; cs->iif.statcallb(ic); } break; case ISDN_FAX_CLASS1_FRM: case ISDN_FAX_CLASS1_FRH: case ISDN_FAX_CLASS1_FTM: case ISDN_FAX_CLASS1_FTH: if (ic->parm.aux.subcmd == AT_QUERY) { sprintf(ic->parm.aux.para, "%d", bcs->hw.isar.mod); ic->command = ISDN_STAT_FAXIND; ic->parm.aux.cmd = ISDN_FAX_CLASS1_QUERY; cs->iif.statcallb(ic); return (0); } else if (ic->parm.aux.subcmd == AT_EQ_QUERY) { char *p = ic->parm.aux.para; for (i = 0; i < FAXMODCNT; i++) if ((1 << i) & modmask) p += sprintf(p, "%d,", faxmodulation[i]); p--; *p = 0; ic->command = ISDN_STAT_FAXIND; ic->parm.aux.cmd = ISDN_FAX_CLASS1_QUERY; cs->iif.statcallb(ic); return (0); } else if (ic->parm.aux.subcmd == AT_EQ_VALUE) { if (cs->debug & L1_DEB_HSCX) debugl1(cs, "isar_auxcmd %s=%d", FC1_CMD[ic->parm.aux.cmd], ic->parm.aux.para[0]); for (i = 0; i < FAXMODCNT; i++) if (faxmodulation[i] == ic->parm.aux.para[0]) break; if ((i < FAXMODCNT) && ((1 << i) & modmask) && test_bit(BC_FLG_INIT, &bcs->Flag)) { isar_pump_cmd(bcs, ic->parm.aux.cmd, ic->parm.aux.para[0]); return (0); } } /* wrong modulation or not activ */ /* fall through */ default: ic->command = ISDN_STAT_FAXIND; ic->parm.aux.cmd = ISDN_FAX_CLASS1_ERROR; cs->iif.statcallb(ic); } break; case (ISDN_CMD_IOCTL): switch (ic->arg) { case 9: /* load firmware */ features = ISDN_FEATURE_L2_MODEM | ISDN_FEATURE_L2_FAX | ISDN_FEATURE_L3_FCLASS1; memcpy(&adr, ic->parm.num, sizeof(ulong)); if (isar_load_firmware(cs, (u_char __user *)adr)) return (1); else ll_run(cs, features); break; case 20: features = *(unsigned int *) ic->parm.num; printk(KERN_DEBUG "HiSax: max modulation old(%04x) new(%04x)\n", modmask, features); modmask = features; break; case 21: features = *(unsigned int *) ic->parm.num; printk(KERN_DEBUG "HiSax: FRM extra delay old(%d) new(%d) ms\n", frm_extra_delay, features); if (features >= 0) frm_extra_delay = features; break; case 22: features = *(unsigned int *) ic->parm.num; printk(KERN_DEBUG "HiSax: TOA old(%d) new(%d) db\n", para_TOA, features); if (features >= 0 && features < 32) para_TOA = features; break; default: printk(KERN_DEBUG "HiSax: invalid ioctl %d\n", (int) ic->arg); return (-EINVAL); } break; default: return (-EINVAL); } return (0); } void initisar(struct IsdnCardState *cs) { cs->bcs[0].BC_SetStack = setstack_isar; cs->bcs[1].BC_SetStack = setstack_isar; cs->bcs[0].BC_Close = close_isarstate; cs->bcs[1].BC_Close = close_isarstate; timer_setup(&cs->bcs[0].hw.isar.ftimer, ftimer_handler, 0); timer_setup(&cs->bcs[1].hw.isar.ftimer, ftimer_handler, 0); }