static void setup_iom2(struct isar_ch *ch) { u8 dps = SET_DPS(ch->dpath); u8 cmsb = IOM_CTRL_ENA, msg[5] = {IOM_P1_TXD, 0, 0, 0, 0}; if (ch->bch.nr == 2) { msg[1] = 1; msg[3] = 1; } switch (ch->bch.state) { case ISDN_P_NONE: cmsb = 0; /* dummy slot */ msg[1] = ch->dpath + 2; msg[3] = ch->dpath + 2; break; case ISDN_P_B_RAW: case ISDN_P_B_HDLC: break; case ISDN_P_B_MODEM_ASYNC: case ISDN_P_B_T30_FAX: cmsb |= IOM_CTRL_RCV; case ISDN_P_B_L2DTMF: if (test_bit(FLG_DTMFSEND, &ch->bch.Flags)) cmsb |= IOM_CTRL_RCV; cmsb |= IOM_CTRL_ALAW; break; } send_mbox(ch->is, dps | ISAR_HIS_IOM2CFG, cmsb, 5, msg); udelay(1000); send_mbox(ch->is, dps | ISAR_HIS_IOM2REQ, 0, 0, NULL); udelay(1000); }
static void setup_sart(struct isar_ch *ch) { u8 dps = SET_DPS(ch->dpath); u8 ctrl, param[2] = {0, 0}; switch (ch->bch.state) { case ISDN_P_NONE: send_mbox(ch->is, dps | ISAR_HIS_SARTCFG, SMODE_DISABLE, 0, NULL); break; case ISDN_P_B_RAW: case ISDN_P_B_L2DTMF: send_mbox(ch->is, dps | ISAR_HIS_SARTCFG, SMODE_BINARY, 2, param); break; case ISDN_P_B_HDLC: case ISDN_P_B_T30_FAX: send_mbox(ch->is, dps | ISAR_HIS_SARTCFG, SMODE_HDLC, 1, param); break; case ISDN_P_B_MODEM_ASYNC: ctrl = SMODE_V14 | SCTRL_HDMC_BOTH; param[0] = S_P1_CHS_8; param[1] = S_P2_BFT_DEF; send_mbox(ch->is, dps | ISAR_HIS_SARTCFG, ctrl, 2, param); break; } udelay(1000); send_mbox(ch->is, dps | ISAR_HIS_BSTREQ, 0, 0, NULL); udelay(1000); }
static void setup_pump(struct isar_ch *ch) { u8 dps = SET_DPS(ch->dpath); u8 ctrl, param[6]; switch (ch->bch.state) { case ISDN_P_NONE: case ISDN_P_B_RAW: case ISDN_P_B_HDLC: send_mbox(ch->is, dps | ISAR_HIS_PUMPCFG, PMOD_BYPASS, 0, NULL); break; case ISDN_P_B_L2DTMF: if (test_bit(FLG_DTMFSEND, &ch->bch.Flags)) { param[0] = 5; /* TOA 5 db */ send_mbox(ch->is, dps | ISAR_HIS_PUMPCFG, PMOD_DTMF_TRANS, 1, param); } else { param[0] = 40; /* REL -46 dbm */ send_mbox(ch->is, dps | ISAR_HIS_PUMPCFG, PMOD_DTMF, 1, param); } case ISDN_P_B_MODEM_ASYNC: ctrl = PMOD_DATAMODEM; if (test_bit(FLG_ORIGIN, &ch->bch.Flags)) { ctrl |= PCTRL_ORIG; param[5] = PV32P6_CTN; } else { param[5] = PV32P6_ATN; } param[0] = 6; /* 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; send_mbox(ch->is, dps | ISAR_HIS_PUMPCFG, ctrl, 6, param); break; case ISDN_P_B_T30_FAX: ctrl = PMOD_FAX; if (test_bit(FLG_ORIGIN, &ch->bch.Flags)) { ctrl |= PCTRL_ORIG; param[1] = PFAXP2_CTN; } else { param[1] = PFAXP2_ATN; } param[0] = 6; /* 6 db */ send_mbox(ch->is, dps | ISAR_HIS_PUMPCFG, ctrl, 2, param); ch->state = STFAX_NULL; ch->newcmd = 0; ch->newmod = 0; test_and_set_bit(FLG_FTI_RUN, &ch->bch.Flags); break; } udelay(1000); send_mbox(ch->is, dps | ISAR_HIS_PSTREQ, 0, 0, NULL); udelay(1000); }
static void isar_pump_statev_modem(struct isar_ch *ch, u8 devt) { u8 dps = SET_DPS(ch->dpath); switch (devt) { case PSEV_10MS_TIMER: pr_debug("%s: pump stev TIMER\n", ch->is->name); break; case PSEV_CON_ON: pr_debug("%s: pump stev CONNECT\n", ch->is->name); deliver_status(ch, HW_MOD_CONNECT); break; case PSEV_CON_OFF: pr_debug("%s: pump stev NO CONNECT\n", ch->is->name); send_mbox(ch->is, dps | ISAR_HIS_PSTREQ, 0, 0, NULL); deliver_status(ch, HW_MOD_NOCARR); break; case PSEV_V24_OFF: pr_debug("%s: pump stev V24 OFF\n", ch->is->name); break; case PSEV_CTS_ON: pr_debug("%s: pump stev CTS ON\n", ch->is->name); break; case PSEV_CTS_OFF: pr_debug("%s pump stev CTS OFF\n", ch->is->name); break; case PSEV_DCD_ON: pr_debug("%s: pump stev CARRIER ON\n", ch->is->name); test_and_set_bit(ISAR_RATE_REQ, &ch->is->Flags); send_mbox(ch->is, dps | ISAR_HIS_PSTREQ, 0, 0, NULL); break; case PSEV_DCD_OFF: pr_debug("%s: pump stev CARRIER OFF\n", ch->is->name); break; case PSEV_DSR_ON: pr_debug("%s: pump stev DSR ON\n", ch->is->name); break; case PSEV_DSR_OFF: pr_debug("%s: pump stev DSR_OFF\n", ch->is->name); break; case PSEV_REM_RET: pr_debug("%s: pump stev REMOTE RETRAIN\n", ch->is->name); break; case PSEV_REM_REN: pr_debug("%s: pump stev REMOTE RENEGOTIATE\n", ch->is->name); break; case PSEV_GSTN_CLR: pr_debug("%s: pump stev GSTN CLEAR\n", ch->is->name); break; default: pr_info("u%s: nknown pump stev %x\n", ch->is->name, devt); break; } }
static void send_next(struct isar_ch *ch) { pr_debug("%s: %s ch%d tx_skb %d tx_idx %d\n", ch->is->name, __func__, ch->bch.nr, ch->bch.tx_skb ? ch->bch.tx_skb->len : -1, ch->bch.tx_idx); if (ch->bch.state == ISDN_P_B_T30_FAX) { if (ch->cmd == PCTRL_CMD_FTH) { if (test_bit(FLG_LASTDATA, &ch->bch.Flags)) { pr_debug("set NMD_DATA\n"); test_and_set_bit(FLG_NMD_DATA, &ch->bch.Flags); } } else if (ch->cmd == PCTRL_CMD_FTM) { if (test_bit(FLG_DLEETX, &ch->bch.Flags)) { test_and_set_bit(FLG_LASTDATA, &ch->bch.Flags); test_and_set_bit(FLG_NMD_DATA, &ch->bch.Flags); } } } if (ch->bch.tx_skb) dev_kfree_skb(ch->bch.tx_skb); if (get_next_bframe(&ch->bch)) { isar_fill_fifo(ch); test_and_clear_bit(FLG_TX_EMPTY, &ch->bch.Flags); } else if (test_bit(FLG_TX_EMPTY, &ch->bch.Flags)) { isar_fill_fifo(ch); } else { if (test_and_clear_bit(FLG_DLEETX, &ch->bch.Flags)) { if (test_and_clear_bit(FLG_LASTDATA, &ch->bch.Flags)) { if (test_and_clear_bit(FLG_NMD_DATA, &ch->bch.Flags)) { u8 zd = 0; send_mbox(ch->is, SET_DPS(ch->dpath) | ISAR_HIS_SDATA, 0x01, 1, &zd); } test_and_set_bit(FLG_LL_OK, &ch->bch.Flags); } else { deliver_status(ch, HW_MOD_CONNECT); } } else if (test_bit(FLG_FILLEMPTY, &ch->bch.Flags)) { test_and_set_bit(FLG_TX_EMPTY, &ch->bch.Flags); } } }
static void send_next(struct isar_ch *ch) { pr_debug("%s: %s ch%d tx_skb %p tx_idx %d\n", ch->is->name, __func__, ch->bch.nr, ch->bch.tx_skb, ch->bch.tx_idx); if (ch->bch.state == ISDN_P_B_T30_FAX) { if (ch->cmd == PCTRL_CMD_FTH) { if (test_bit(FLG_LASTDATA, &ch->bch.Flags)) { pr_debug("set NMD_DATA\n"); test_and_set_bit(FLG_NMD_DATA, &ch->bch.Flags); } } else if (ch->cmd == PCTRL_CMD_FTM) { if (test_bit(FLG_DLEETX, &ch->bch.Flags)) { test_and_set_bit(FLG_LASTDATA, &ch->bch.Flags); test_and_set_bit(FLG_NMD_DATA, &ch->bch.Flags); } } } if (ch->bch.tx_skb) { /* send confirm, on trans, free on hdlc. */ if (test_bit(FLG_TRANSPARENT, &ch->bch.Flags)) confirm_Bsend(&ch->bch); dev_kfree_skb(ch->bch.tx_skb); } if (get_next_bframe(&ch->bch)) isar_fill_fifo(ch); else { if (test_and_clear_bit(FLG_DLEETX, &ch->bch.Flags)) { if (test_and_clear_bit(FLG_LASTDATA, &ch->bch.Flags)) { if (test_and_clear_bit(FLG_NMD_DATA, &ch->bch.Flags)) { u8 zd = 0; send_mbox(ch->is, SET_DPS(ch->dpath) | ISAR_HIS_SDATA, 0x01, 1, &zd); } test_and_set_bit(FLG_LL_OK, &ch->bch.Flags); } else { deliver_status(ch, HW_MOD_CONNECT); } } } }
static void isar_pump_statev_fax(struct isar_ch *ch, u8 devt) { u8 dps = SET_DPS(ch->dpath); u8 p1; switch (devt) { case PSEV_10MS_TIMER: pr_debug("%s: pump stev TIMER\n", ch->is->name); break; case PSEV_RSP_READY: pr_debug("%s: pump stev RSP_READY\n", ch->is->name); ch->state = STFAX_READY; deliver_status(ch, HW_MOD_READY); #ifdef AUTOCON if (test_bit(BC_FLG_ORIG, &ch->bch.Flags)) isar_pump_cmd(bch, HW_MOD_FRH, 3); else isar_pump_cmd(bch, HW_MOD_FTH, 3); #endif break; case PSEV_LINE_TX_H: if (ch->state == STFAX_LINE) { pr_debug("%s: pump stev LINE_TX_H\n", ch->is->name); ch->state = STFAX_CONT; send_mbox(ch->is, dps | ISAR_HIS_PUMPCTRL, PCTRL_CMD_CONT, 0, NULL); } else { pr_debug("%s: pump stev LINE_TX_H wrong st %x\n", ch->is->name, ch->state); } break; case PSEV_LINE_RX_H: if (ch->state == STFAX_LINE) { pr_debug("%s: pump stev LINE_RX_H\n", ch->is->name); ch->state = STFAX_CONT; send_mbox(ch->is, dps | ISAR_HIS_PUMPCTRL, PCTRL_CMD_CONT, 0, NULL); } else { pr_debug("%s: pump stev LINE_RX_H wrong st %x\n", ch->is->name, ch->state); } break; case PSEV_LINE_TX_B: if (ch->state == STFAX_LINE) { pr_debug("%s: pump stev LINE_TX_B\n", ch->is->name); ch->state = STFAX_CONT; send_mbox(ch->is, dps | ISAR_HIS_PUMPCTRL, PCTRL_CMD_CONT, 0, NULL); } else { pr_debug("%s: pump stev LINE_TX_B wrong st %x\n", ch->is->name, ch->state); } break; case PSEV_LINE_RX_B: if (ch->state == STFAX_LINE) { pr_debug("%s: pump stev LINE_RX_B\n", ch->is->name); ch->state = STFAX_CONT; send_mbox(ch->is, dps | ISAR_HIS_PUMPCTRL, PCTRL_CMD_CONT, 0, NULL); } else { pr_debug("%s: pump stev LINE_RX_B wrong st %x\n", ch->is->name, ch->state); } break; case PSEV_RSP_CONN: if (ch->state == STFAX_CONT) { pr_debug("%s: pump stev RSP_CONN\n", ch->is->name); ch->state = STFAX_ACTIV; test_and_set_bit(ISAR_RATE_REQ, &ch->is->Flags); send_mbox(ch->is, dps | ISAR_HIS_PSTREQ, 0, 0, NULL); if (ch->cmd == PCTRL_CMD_FTH) { int delay = (ch->mod == 3) ? 1000 : 200; /* 1s (200 ms) Flags before data */ if (test_and_set_bit(FLG_FTI_RUN, &ch->bch.Flags)) del_timer(&ch->ftimer); ch->ftimer.expires = jiffies + ((delay * HZ)/1000); test_and_set_bit(FLG_LL_CONN, &ch->bch.Flags); add_timer(&ch->ftimer); } else { deliver_status(ch, HW_MOD_CONNECT); } } else { pr_debug("%s: pump stev RSP_CONN wrong st %x\n", ch->is->name, ch->state); } break; case PSEV_FLAGS_DET: pr_debug("%s: pump stev FLAGS_DET\n", ch->is->name); break; case PSEV_RSP_DISC: pr_debug("%s: pump stev RSP_DISC state(%d)\n", ch->is->name, ch->state); if (ch->state == STFAX_ESCAPE) { p1 = 5; switch (ch->newcmd) { case 0: ch->state = STFAX_READY; break; case PCTRL_CMD_FTM: p1 = 2; case PCTRL_CMD_FTH: send_mbox(ch->is, dps | ISAR_HIS_PUMPCTRL, PCTRL_CMD_SILON, 1, &p1); ch->state = STFAX_SILDET; break; case PCTRL_CMD_FRH: case PCTRL_CMD_FRM: ch->mod = ch->newmod; p1 = ch->newmod; ch->newmod = 0; ch->cmd = ch->newcmd; ch->newcmd = 0; send_mbox(ch->is, dps | ISAR_HIS_PUMPCTRL, ch->cmd, 1, &p1); ch->state = STFAX_LINE; ch->try_mod = 3; break; default: pr_debug("%s: RSP_DISC unknown newcmd %x\n", ch->is->name, ch->newcmd); break; } } else if (ch->state == STFAX_ACTIV) { if (test_and_clear_bit(FLG_LL_OK, &ch->bch.Flags)) deliver_status(ch, HW_MOD_OK); else if (ch->cmd == PCTRL_CMD_FRM) deliver_status(ch, HW_MOD_NOCARR); else deliver_status(ch, HW_MOD_FCERROR); ch->state = STFAX_READY; } else if (ch->state != STFAX_SILDET) { /* ignore in STFAX_SILDET */ ch->state = STFAX_READY; deliver_status(ch, HW_MOD_FCERROR); } break; case PSEV_RSP_SILDET: pr_debug("%s: pump stev RSP_SILDET\n", ch->is->name); if (ch->state == STFAX_SILDET) { ch->mod = ch->newmod; p1 = ch->newmod; ch->newmod = 0; ch->cmd = ch->newcmd; ch->newcmd = 0; send_mbox(ch->is, dps | ISAR_HIS_PUMPCTRL, ch->cmd, 1, &p1); ch->state = STFAX_LINE; ch->try_mod = 3; } break; case PSEV_RSP_SILOFF: pr_debug("%s: pump stev RSP_SILOFF\n", ch->is->name); break; case PSEV_RSP_FCERR: if (ch->state == STFAX_LINE) { pr_debug("%s: pump stev RSP_FCERR try %d\n", ch->is->name, ch->try_mod); if (ch->try_mod--) { send_mbox(ch->is, dps | ISAR_HIS_PUMPCTRL, ch->cmd, 1, &ch->mod); break; } } pr_debug("%s: pump stev RSP_FCERR\n", ch->is->name); ch->state = STFAX_ESCAPE; send_mbox(ch->is, dps | ISAR_HIS_PUMPCTRL, PCTRL_CMD_ESC, 0, NULL); deliver_status(ch, HW_MOD_FCERROR); break; default: break; } }
static void isar_fill_fifo(struct isar_ch *ch) { int count; u8 msb; u8 *ptr; pr_debug("%s: ch%d tx_skb %p tx_idx %d\n", ch->is->name, ch->bch.nr, ch->bch.tx_skb, ch->bch.tx_idx); if (!ch->bch.tx_skb) return; count = ch->bch.tx_skb->len - ch->bch.tx_idx; if (count <= 0) return; if (!(ch->is->bstat & (ch->dpath == 1 ? BSTAT_RDM1 : BSTAT_RDM2))) return; if (count > ch->mml) { msb = 0; count = ch->mml; } else { msb = HDLC_FED; } ptr = ch->bch.tx_skb->data + ch->bch.tx_idx; if (!ch->bch.tx_idx) { pr_debug("%s: frame start\n", ch->is->name); if ((ch->bch.state == ISDN_P_B_T30_FAX) && (ch->cmd == PCTRL_CMD_FTH)) { if (count > 1) { if ((ptr[0] == 0xff) && (ptr[1] == 0x13)) { /* last frame */ test_and_set_bit(FLG_LASTDATA, &ch->bch.Flags); pr_debug("%s: set LASTDATA\n", ch->is->name); if (msb == HDLC_FED) test_and_set_bit(FLG_DLEETX, &ch->bch.Flags); } } } msb |= HDLC_FST; } ch->bch.tx_idx += count; switch (ch->bch.state) { case ISDN_P_NONE: pr_info("%s: wrong protocol 0\n", __func__); break; case ISDN_P_B_RAW: case ISDN_P_B_L2DTMF: case ISDN_P_B_MODEM_ASYNC: send_mbox(ch->is, SET_DPS(ch->dpath) | ISAR_HIS_SDATA, 0, count, ptr); break; case ISDN_P_B_HDLC: send_mbox(ch->is, SET_DPS(ch->dpath) | ISAR_HIS_SDATA, msb, count, ptr); break; case ISDN_P_B_T30_FAX: if (ch->state != STFAX_ACTIV) pr_debug("%s: not ACTIV\n", ch->is->name); else if (ch->cmd == PCTRL_CMD_FTH) send_mbox(ch->is, SET_DPS(ch->dpath) | ISAR_HIS_SDATA, msb, count, ptr); else if (ch->cmd == PCTRL_CMD_FTM) send_mbox(ch->is, SET_DPS(ch->dpath) | ISAR_HIS_SDATA, 0, count, ptr); else pr_debug("%s: not FTH/FTM\n", ch->is->name); break; default: pr_info("%s: protocol(%x) error\n", __func__, ch->bch.state); break; } }
static inline void isar_rcv_frame(struct isar_ch *ch) { u8 *ptr; if (!ch->is->clsb) { pr_debug("%s; ISAR zero len frame\n", ch->is->name); ch->is->write_reg(ch->is->hw, ISAR_IIA, 0); return; } switch (ch->bch.state) { case ISDN_P_NONE: pr_debug("%s: ISAR protocol 0 spurious IIS_RDATA %x/%x/%x\n", ch->is->name, ch->is->iis, ch->is->cmsb, ch->is->clsb); ch->is->write_reg(ch->is->hw, ISAR_IIA, 0); break; case ISDN_P_B_RAW: case ISDN_P_B_L2DTMF: case ISDN_P_B_MODEM_ASYNC: if (!ch->bch.rx_skb) { ch->bch.rx_skb = mI_alloc_skb(ch->bch.maxlen, GFP_ATOMIC); if (unlikely(!ch->bch.rx_skb)) { pr_info("%s: B receive out of memory\n", ch->is->name); ch->is->write_reg(ch->is->hw, ISAR_IIA, 0); break; } } rcv_mbox(ch->is, skb_put(ch->bch.rx_skb, ch->is->clsb)); recv_Bchannel(&ch->bch, 0); break; case ISDN_P_B_HDLC: if (!ch->bch.rx_skb) { ch->bch.rx_skb = mI_alloc_skb(ch->bch.maxlen, GFP_ATOMIC); if (unlikely(!ch->bch.rx_skb)) { pr_info("%s: B receive out of memory\n", ch->is->name); ch->is->write_reg(ch->is->hw, ISAR_IIA, 0); break; } } if ((ch->bch.rx_skb->len + ch->is->clsb) > (ch->bch.maxlen + 2)) { pr_debug("%s: incoming packet too large\n", ch->is->name); ch->is->write_reg(ch->is->hw, ISAR_IIA, 0); skb_trim(ch->bch.rx_skb, 0); break; } if (ch->is->cmsb & HDLC_ERROR) { pr_debug("%s: ISAR frame error %x len %d\n", ch->is->name, ch->is->cmsb, ch->is->clsb); #ifdef ERROR_STATISTIC if (ch->is->cmsb & HDLC_ERR_RER) ch->bch.err_inv++; if (ch->is->cmsb & HDLC_ERR_CER) ch->bch.err_crc++; #endif skb_trim(ch->bch.rx_skb, 0); ch->is->write_reg(ch->is->hw, ISAR_IIA, 0); break; } if (ch->is->cmsb & HDLC_FSD) skb_trim(ch->bch.rx_skb, 0); ptr = skb_put(ch->bch.rx_skb, ch->is->clsb); rcv_mbox(ch->is, ptr); if (ch->is->cmsb & HDLC_FED) { if (ch->bch.rx_skb->len < 3) { /* last 2 are the FCS */ pr_debug("%s: ISAR frame to short %d\n", ch->is->name, ch->bch.rx_skb->len); skb_trim(ch->bch.rx_skb, 0); break; } skb_trim(ch->bch.rx_skb, ch->bch.rx_skb->len - 2); recv_Bchannel(&ch->bch, 0); } break; case ISDN_P_B_T30_FAX: if (ch->state != STFAX_ACTIV) { pr_debug("%s: isar_rcv_frame: not ACTIV\n", ch->is->name); ch->is->write_reg(ch->is->hw, ISAR_IIA, 0); if (ch->bch.rx_skb) skb_trim(ch->bch.rx_skb, 0); break; } if (!ch->bch.rx_skb) { ch->bch.rx_skb = mI_alloc_skb(ch->bch.maxlen, GFP_ATOMIC); if (unlikely(!ch->bch.rx_skb)) { pr_info("%s: B receive out of memory\n", __func__); ch->is->write_reg(ch->is->hw, ISAR_IIA, 0); break; } } if (ch->cmd == PCTRL_CMD_FRM) { rcv_mbox(ch->is, skb_put(ch->bch.rx_skb, ch->is->clsb)); pr_debug("%s: isar_rcv_frame: %d\n", ch->is->name, ch->bch.rx_skb->len); if (ch->is->cmsb & SART_NMD) { /* ABORT */ pr_debug("%s: isar_rcv_frame: no more data\n", ch->is->name); ch->is->write_reg(ch->is->hw, ISAR_IIA, 0); send_mbox(ch->is, SET_DPS(ch->dpath) | ISAR_HIS_PUMPCTRL, PCTRL_CMD_ESC, 0, NULL); ch->state = STFAX_ESCAPE; /* set_skb_flag(skb, DF_NOMOREDATA); */ } recv_Bchannel(&ch->bch, 0); if (ch->is->cmsb & SART_NMD) deliver_status(ch, HW_MOD_NOCARR); break; } if (ch->cmd != PCTRL_CMD_FRH) { pr_debug("%s: isar_rcv_frame: unknown fax mode %x\n", ch->is->name, ch->cmd); ch->is->write_reg(ch->is->hw, ISAR_IIA, 0); if (ch->bch.rx_skb) skb_trim(ch->bch.rx_skb, 0); break; } /* PCTRL_CMD_FRH */ if ((ch->bch.rx_skb->len + ch->is->clsb) > (ch->bch.maxlen + 2)) { pr_info("%s: %s incoming packet too large\n", ch->is->name, __func__); ch->is->write_reg(ch->is->hw, ISAR_IIA, 0); skb_trim(ch->bch.rx_skb, 0); break; } else if (ch->is->cmsb & HDLC_ERROR) { pr_info("%s: ISAR frame error %x len %d\n", ch->is->name, ch->is->cmsb, ch->is->clsb); skb_trim(ch->bch.rx_skb, 0); ch->is->write_reg(ch->is->hw, ISAR_IIA, 0); break; } if (ch->is->cmsb & HDLC_FSD) skb_trim(ch->bch.rx_skb, 0); ptr = skb_put(ch->bch.rx_skb, ch->is->clsb); rcv_mbox(ch->is, ptr); if (ch->is->cmsb & HDLC_FED) { if (ch->bch.rx_skb->len < 3) { /* last 2 are the FCS */ pr_info("%s: ISAR frame to short %d\n", ch->is->name, ch->bch.rx_skb->len); skb_trim(ch->bch.rx_skb, 0); break; } skb_trim(ch->bch.rx_skb, ch->bch.rx_skb->len - 2); recv_Bchannel(&ch->bch, 0); } if (ch->is->cmsb & SART_NMD) { /* ABORT */ pr_debug("%s: isar_rcv_frame: no more data\n", ch->is->name); ch->is->write_reg(ch->is->hw, ISAR_IIA, 0); if (ch->bch.rx_skb) skb_trim(ch->bch.rx_skb, 0); send_mbox(ch->is, SET_DPS(ch->dpath) | ISAR_HIS_PUMPCTRL, PCTRL_CMD_ESC, 0, NULL); ch->state = STFAX_ESCAPE; deliver_status(ch, HW_MOD_NOCARR); } break; default: pr_info("isar_rcv_frame protocol (%x)error\n", ch->bch.state); ch->is->write_reg(ch->is->hw, ISAR_IIA, 0); break; } }
static void isar_pump_cmd(struct isar_ch *ch, u32 cmd, u8 para) { u8 dps = SET_DPS(ch->dpath); u8 ctrl = 0, nom = 0, p1 = 0; pr_debug("%s: isar_pump_cmd %x/%x state(%x)\n", ch->is->name, cmd, para, ch->bch.state); switch (cmd) { case HW_MOD_FTM: if (ch->state == STFAX_READY) { p1 = para; ctrl = PCTRL_CMD_FTM; nom = 1; ch->state = STFAX_LINE; ch->cmd = ctrl; ch->mod = para; ch->newmod = 0; ch->newcmd = 0; ch->try_mod = 3; } else if ((ch->state == STFAX_ACTIV) && (ch->cmd == PCTRL_CMD_FTM) && (ch->mod == para)) deliver_status(ch, HW_MOD_CONNECT); else { ch->newmod = para; ch->newcmd = PCTRL_CMD_FTM; nom = 0; ctrl = PCTRL_CMD_ESC; ch->state = STFAX_ESCAPE; } break; case HW_MOD_FTH: if (ch->state == STFAX_READY) { p1 = para; ctrl = PCTRL_CMD_FTH; nom = 1; ch->state = STFAX_LINE; ch->cmd = ctrl; ch->mod = para; ch->newmod = 0; ch->newcmd = 0; ch->try_mod = 3; } else if ((ch->state == STFAX_ACTIV) && (ch->cmd == PCTRL_CMD_FTH) && (ch->mod == para)) deliver_status(ch, HW_MOD_CONNECT); else { ch->newmod = para; ch->newcmd = PCTRL_CMD_FTH; nom = 0; ctrl = PCTRL_CMD_ESC; ch->state = STFAX_ESCAPE; } break; case HW_MOD_FRM: if (ch->state == STFAX_READY) { p1 = para; ctrl = PCTRL_CMD_FRM; nom = 1; ch->state = STFAX_LINE; ch->cmd = ctrl; ch->mod = para; ch->newmod = 0; ch->newcmd = 0; ch->try_mod = 3; } else if ((ch->state == STFAX_ACTIV) && (ch->cmd == PCTRL_CMD_FRM) && (ch->mod == para)) deliver_status(ch, HW_MOD_CONNECT); else { ch->newmod = para; ch->newcmd = PCTRL_CMD_FRM; nom = 0; ctrl = PCTRL_CMD_ESC; ch->state = STFAX_ESCAPE; } break; case HW_MOD_FRH: if (ch->state == STFAX_READY) { p1 = para; ctrl = PCTRL_CMD_FRH; nom = 1; ch->state = STFAX_LINE; ch->cmd = ctrl; ch->mod = para; ch->newmod = 0; ch->newcmd = 0; ch->try_mod = 3; } else if ((ch->state == STFAX_ACTIV) && (ch->cmd == PCTRL_CMD_FRH) && (ch->mod == para)) deliver_status(ch, HW_MOD_CONNECT); else { ch->newmod = para; ch->newcmd = PCTRL_CMD_FRH; nom = 0; ctrl = PCTRL_CMD_ESC; ch->state = STFAX_ESCAPE; } break; case PCTRL_CMD_TDTMF: p1 = para; nom = 1; ctrl = PCTRL_CMD_TDTMF; break; } if (ctrl) send_mbox(ch->is, dps | ISAR_HIS_PUMPCTRL, ctrl, nom, &p1); }