isar.c

linux-2.4.29操作系统的源码

		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", devt);
			break;
		default:
			if (cs->debug & L1_DEB_HSCX)
				debugl1(cs, "unknown pump stev %x", devt);
			break;
	}
}

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 {
					isar_sched_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)) {
					isar_sched_event(bcs, B_LL_OK);
				} else if (bcs->hw.isar.cmd == PCTRL_CMD_FRM) {
					send_DLE_ETX(bcs);
					isar_sched_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)
{
	long flags;
	struct isar_reg *ireg = cs->bcs[0].hw.isar.reg;
	struct BCState *bcs;

	save_flags(flags);
	cli();
	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, 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;
	}
	restore_flags(flags);
}

static void
ftimer_handler(struct BCState *bcs) {
	if (bcs->cs->debug)
		debugl1(bcs->cs, "ftimer flags %04x",
			bcs->Flag);
	test_and_clear_bit(BC_FLG_FTI_RUN, &bcs->Flag);
	if (test_and_clear_bit(BC_FLG_LL_CONN, &bcs->Flag)) {
		isar_sched_event(bcs, B_LL_CONNECT);
	}
	if (test_and_clear_bit(BC_FLG_FTI_FTS, &bcs->Flag)) {
		isar_sched_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);
}

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 pathes in use\n");
					return(1);
				}
				break;
			case L1_MODE_V32:
			case L1_MODE_FAX: