51 waitforHIA(struct isar_hw *isar, int timeout)  in waitforHIA()  argument
54 	u8 val = isar->read_reg(isar->hw, ISAR_HIA);  in waitforHIA()
59 		val = isar->read_reg(isar->hw, ISAR_HIA);  in waitforHIA()
61 	pr_debug("%s: HIA after %dus\n", isar->name, timeout - t);  in waitforHIA()
70 send_mbox(struct isar_hw *isar, u8 his, u8 creg, u8 len, u8 *msg)  in send_mbox()  argument
72 	if (!waitforHIA(isar, 1000))  in send_mbox()
75 	isar->write_reg(isar->hw, ISAR_CTRL_H, creg);  in send_mbox()
76 	isar->write_reg(isar->hw, ISAR_CTRL_L, len);  in send_mbox()
77 	isar->write_reg(isar->hw, ISAR_WADR, 0);  in send_mbox()
79 		msg = isar->buf;  in send_mbox()
81 		isar->write_fifo(isar->hw, ISAR_MBOX, msg, len);  in send_mbox()
82 		if (isar->ch[0].bch.debug & DEBUG_HW_BFIFO) {  in send_mbox()
87 						   isar->log, 256, 1);  in send_mbox()
88 				pr_debug("%s: %s %02x: %s\n", isar->name,  in send_mbox()
89 					 __func__, l, isar->log);  in send_mbox()
94 	isar->write_reg(isar->hw, ISAR_HIS, his);  in send_mbox()
95 	waitforHIA(isar, 1000);  in send_mbox()
104 rcv_mbox(struct isar_hw *isar, u8 *msg)  in rcv_mbox()  argument
107 		msg = isar->buf;  in rcv_mbox()
108 	isar->write_reg(isar->hw, ISAR_RADR, 0);  in rcv_mbox()
109 	if (msg && isar->clsb) {  in rcv_mbox()
110 		isar->read_fifo(isar->hw, ISAR_MBOX, msg, isar->clsb);  in rcv_mbox()
111 		if (isar->ch[0].bch.debug & DEBUG_HW_BFIFO) {  in rcv_mbox()
114 			while (l < (int)isar->clsb) {  in rcv_mbox()
115 				hex_dump_to_buffer(msg + l, isar->clsb - l, 32,  in rcv_mbox()
116 						   1, isar->log, 256, 1);  in rcv_mbox()
117 				pr_debug("%s: %s %02x: %s\n", isar->name,  in rcv_mbox()
118 					 __func__, l, isar->log);  in rcv_mbox()
123 	isar->write_reg(isar->hw, ISAR_IIA, 0);  in rcv_mbox()
127 get_irq_infos(struct isar_hw *isar)  in get_irq_infos()  argument
129 	isar->iis = isar->read_reg(isar->hw, ISAR_IIS);  in get_irq_infos()
130 	isar->cmsb = isar->read_reg(isar->hw, ISAR_CTRL_H);  in get_irq_infos()
131 	isar->clsb = isar->read_reg(isar->hw, ISAR_CTRL_L);  in get_irq_infos()
132 	pr_debug("%s: rcv_mbox(%02x,%02x,%d)\n", isar->name,  in get_irq_infos()
133 		 isar->iis, isar->cmsb, isar->clsb);  in get_irq_infos()
142 poll_mbox(struct isar_hw *isar, int maxdelay)  in poll_mbox()  argument
147 	irq = isar->read_reg(isar->hw, ISAR_IRQBIT);  in poll_mbox()
153 		get_irq_infos(isar);  in poll_mbox()
154 		rcv_mbox(isar, NULL);  in poll_mbox()
157 		 isar->name, isar->clsb, maxdelay - t);  in poll_mbox()
162 ISARVersion(struct isar_hw *isar)  in ISARVersion()  argument
167 	isar->write_reg(isar->hw, ISAR_IRQBIT, 0);  in ISARVersion()
168 	isar->buf[0] = ISAR_MSG_HWVER;  in ISARVersion()
169 	isar->buf[1] = 0;  in ISARVersion()
170 	isar->buf[2] = 1;  in ISARVersion()
171 	if (!send_mbox(isar, ISAR_HIS_VNR, 0, 3, NULL))  in ISARVersion()
173 	if (!poll_mbox(isar, 1000))  in ISARVersion()
175 	if (isar->iis == ISAR_IIS_VNR) {  in ISARVersion()
176 		if (isar->clsb == 1) {  in ISARVersion()
177 			ver = isar->buf[0] & 0xf;  in ISARVersion()
186 load_firmware(struct isar_hw *isar, const u8 *buf, int size)  in load_firmware()  argument
188 	u32	saved_debug = isar->ch[0].bch.debug;  in load_firmware()
201 	if (1 != isar->version) {  in load_firmware()
203 		       isar->name, isar->version);  in load_firmware()
207 		isar->ch[0].bch.debug &= ~DEBUG_HW_BFIFO;  in load_firmware()
209 		 isar->name, size / 2, size);  in load_firmware()
213 	spin_lock_irqsave(isar->hwlock, flags);  in load_firmware()
214 	isar->write_reg(isar->hw, ISAR_IRQBIT, 0);  in load_firmware()
215 	spin_unlock_irqrestore(isar->hwlock, flags);  in load_firmware()
226 				isar->name, size, cnt + left);  in load_firmware()
230 		spin_lock_irqsave(isar->hwlock, flags);  in load_firmware()
231 		if (!send_mbox(isar, ISAR_HIS_DKEY, blk_head.d_key & 0xff,  in load_firmware()
237 		if (!poll_mbox(isar, 1000)) {  in load_firmware()
242 		spin_unlock_irqrestore(isar->hwlock, flags);  in load_firmware()
243 		if ((isar->iis != ISAR_IIS_DKEY) || isar->cmsb || isar->clsb) {  in load_firmware()
245 				isar->iis, isar->cmsb, isar->clsb);  in load_firmware()
255 			mp  = isar->buf;  in load_firmware()
262 			pr_debug("%s: load %3d words at %04x\n", isar->name,  in load_firmware()
271 			spin_lock_irqsave(isar->hwlock, flags);  in load_firmware()
272 			if (!send_mbox(isar, ISAR_HIS_FIRM, 0, nom, NULL)) {  in load_firmware()
277 			if (!poll_mbox(isar, 1000)) {  in load_firmware()
282 			spin_unlock_irqrestore(isar->hwlock, flags);  in load_firmware()
283 			if ((isar->iis != ISAR_IIS_FIRM) ||  in load_firmware()
284 			    isar->cmsb || isar->clsb) {  in load_firmware()
286 					isar->iis, isar->cmsb, isar->clsb);  in load_firmware()
292 			 isar->name, blk_head.len);  in load_firmware()
294 	isar->ch[0].bch.debug = saved_debug;  in load_firmware()
299 	isar->buf[0] = 0xff;  in load_firmware()
300 	isar->buf[1] = 0xfe;  in load_firmware()
301 	isar->bstat = 0;  in load_firmware()
302 	spin_lock_irqsave(isar->hwlock, flags);  in load_firmware()
303 	if (!send_mbox(isar, ISAR_HIS_STDSP, 0, 2, NULL)) {  in load_firmware()
308 	if (!poll_mbox(isar, 1000)) {  in load_firmware()
313 	if ((isar->iis != ISAR_IIS_STDSP) || isar->cmsb || isar->clsb) {  in load_firmware()
315 			isar->iis, isar->cmsb, isar->clsb);  in load_firmware()
319 		pr_debug("%s: ISAR start dsp success\n", isar->name);  in load_firmware()
323 	isar->write_reg(isar->hw, ISAR_IRQBIT, ISAR_IRQSTA);  in load_firmware()
324 	spin_unlock_irqrestore(isar->hwlock, flags);  in load_firmware()
326 	while ((!isar->bstat) && cnt) {  in load_firmware()
336 			 isar->name, isar->bstat);  in load_firmware()
341 	isar->iis = 0;  in load_firmware()
342 	spin_lock_irqsave(isar->hwlock, flags);  in load_firmware()
343 	if (!send_mbox(isar, ISAR_HIS_DIAG, ISAR_CTRL_STST, 0, NULL)) {  in load_firmware()
348 	spin_unlock_irqrestore(isar->hwlock, flags);  in load_firmware()
350 	while ((isar->iis != ISAR_IIS_DIAG) && cnt) {  in load_firmware()
360 	if ((isar->cmsb == ISAR_CTRL_STST) && (isar->clsb == 1)  in load_firmware()
361 	    && (isar->buf[0] == 0))  in load_firmware()
362 		pr_debug("%s: ISAR selftest OK\n", isar->name);  in load_firmware()
365 			isar->cmsb, isar->clsb, isar->buf[0]);  in load_firmware()
369 	spin_lock_irqsave(isar->hwlock, flags);  in load_firmware()
370 	isar->iis = 0;  in load_firmware()
371 	if (!send_mbox(isar, ISAR_HIS_DIAG, ISAR_CTRL_SWVER, 0, NULL)) {  in load_firmware()
376 	spin_unlock_irqrestore(isar->hwlock, flags);  in load_firmware()
378 	while ((isar->iis != ISAR_IIS_DIAG) && cnt) {  in load_firmware()
388 		if ((isar->cmsb == ISAR_CTRL_SWVER) && (isar->clsb == 1)) {  in load_firmware()
390 				  isar->name, isar->buf[0]);  in load_firmware()
393 				" cnt(%d)\n", isar->name, isar->cmsb,  in load_firmware()
394 				isar->clsb, cnt);  in load_firmware()
399 	spin_lock_irqsave(isar->hwlock, flags);  in load_firmware()
400 	isar_setup(isar);  in load_firmware()
401 	spin_unlock_irqrestore(isar->hwlock, flags);  in load_firmware()
404 	spin_lock_irqsave(isar->hwlock, flags);  in load_firmware()
406 	isar->ch[0].bch.debug = saved_debug;  in load_firmware()
409 		isar->write_reg(isar->hw, ISAR_IRQBIT, 0);  in load_firmware()
410 	spin_unlock_irqrestore(isar->hwlock, flags);  in load_firmware()
673 sel_bch_isar(struct isar_hw *isar, u8 dpath)  in sel_bch_isar()  argument
675 	struct isar_ch	*base = &isar->ch[0];  in sel_bch_isar()
734 check_send(struct isar_hw *isar, u8 rdm)  in check_send()  argument
738 	pr_debug("%s: rdm %x\n", isar->name, rdm);  in check_send()
740 		ch = sel_bch_isar(isar, 1);  in check_send()
750 		ch = sel_bch_isar(isar, 2);  in check_send()
1050 mISDNisar_irq(struct isar_hw *isar)  in mISDNisar_irq()  argument
1054 	get_irq_infos(isar);  in mISDNisar_irq()
1055 	switch (isar->iis & ISAR_IIS_MSCMSD) {  in mISDNisar_irq()
1057 		ch = sel_bch_isar(isar, isar->iis >> 6);  in mISDNisar_irq()
1062 				 isar->name, isar->iis, isar->cmsb,  in mISDNisar_irq()
1063 				 isar->clsb);  in mISDNisar_irq()
1064 			isar->write_reg(isar->hw, ISAR_IIA, 0);  in mISDNisar_irq()
1068 		isar->write_reg(isar->hw, ISAR_IIA, 0);  in mISDNisar_irq()
1069 		isar->bstat |= isar->cmsb;  in mISDNisar_irq()
1070 		check_send(isar, isar->cmsb);  in mISDNisar_irq()
1074 		ch = sel_bch_isar(isar, isar->iis >> 6);  in mISDNisar_irq()
1076 			if (isar->cmsb == BSTEV_TBO)  in mISDNisar_irq()
1078 			if (isar->cmsb == BSTEV_RBO)  in mISDNisar_irq()
1083 			 isar->name, isar->iis >> 6, isar->cmsb);  in mISDNisar_irq()
1084 		isar->write_reg(isar->hw, ISAR_IIA, 0);  in mISDNisar_irq()
1087 		ch = sel_bch_isar(isar, isar->iis >> 6);  in mISDNisar_irq()
1089 			rcv_mbox(isar, NULL);  in mISDNisar_irq()
1091 				isar_pump_statev_modem(ch, isar->cmsb);  in mISDNisar_irq()
1093 				isar_pump_statev_fax(ch, isar->cmsb);  in mISDNisar_irq()
1096 				tt = isar->cmsb | 0x30;  in mISDNisar_irq()
1109 					 isar->name, ch->bch.state,  in mISDNisar_irq()
1110 					 isar->cmsb);  in mISDNisar_irq()
1113 				 isar->name, isar->iis, isar->cmsb,  in mISDNisar_irq()
1114 				 isar->clsb);  in mISDNisar_irq()
1115 			isar->write_reg(isar->hw, ISAR_IIA, 0);  in mISDNisar_irq()
1119 		ch = sel_bch_isar(isar, isar->iis >> 6);  in mISDNisar_irq()
1121 			rcv_mbox(isar, NULL);  in mISDNisar_irq()
1125 				 isar->name, isar->iis, isar->cmsb,  in mISDNisar_irq()
1126 				 isar->clsb);  in mISDNisar_irq()
1127 			isar->write_reg(isar->hw, ISAR_IIA, 0);  in mISDNisar_irq()
1133 		rcv_mbox(isar, NULL);  in mISDNisar_irq()
1136 		rcv_mbox(isar, NULL);  in mISDNisar_irq()
1137 		pr_debug("%s: invalid msg his:%x\n", isar->name, isar->cmsb);  in mISDNisar_irq()
1140 		rcv_mbox(isar, NULL);  in mISDNisar_irq()
1142 			 isar->name, isar->iis, isar->cmsb, isar->clsb);  in mISDNisar_irq()
1459 isar_setup(struct isar_hw *isar)  in isar_setup()  argument
1468 		send_mbox(isar, (i ? ISAR_HIS_DPS2 : ISAR_HIS_DPS1) |  in isar_setup()
1470 		isar->ch[i].mml = msg;  in isar_setup()
1471 		isar->ch[i].bch.state = 0;  in isar_setup()
1472 		isar->ch[i].dpath = i + 1;  in isar_setup()
1473 		modeisar(&isar->ch[i], ISDN_P_NONE);  in isar_setup()
1612 free_isar(struct isar_hw *isar)  in free_isar()  argument
1614 	modeisar(&isar->ch[0], ISDN_P_NONE);  in free_isar()
1615 	modeisar(&isar->ch[1], ISDN_P_NONE);  in free_isar()
1616 	del_timer(&isar->ch[0].ftimer);  in free_isar()
1617 	del_timer(&isar->ch[1].ftimer);  in free_isar()
1618 	test_and_clear_bit(FLG_INITIALIZED, &isar->ch[0].bch.Flags);  in free_isar()
1619 	test_and_clear_bit(FLG_INITIALIZED, &isar->ch[1].bch.Flags);  in free_isar()
1623 init_isar(struct isar_hw *isar)  in init_isar()  argument
1628 		isar->version = ISARVersion(isar);  in init_isar()
1629 		if (isar->ch[0].bch.debug & DEBUG_HW)  in init_isar()
1631 				  isar->name, isar->version, 3 - cnt);  in init_isar()
1632 		if (isar->version == 1)  in init_isar()
1634 		isar->ctrl(isar->hw, HW_RESET_REQ, 0);  in init_isar()
1636 	if (isar->version != 1)  in init_isar()
1638 	isar->ch[0].ftimer.function = &ftimer_handler;  in init_isar()
1639 	isar->ch[0].ftimer.data = (long)&isar->ch[0];  in init_isar()
1640 	init_timer(&isar->ch[0].ftimer);  in init_isar()
1641 	test_and_set_bit(FLG_INITIALIZED, &isar->ch[0].bch.Flags);  in init_isar()
1642 	isar->ch[1].ftimer.function = &ftimer_handler;  in init_isar()
1643 	isar->ch[1].ftimer.data = (long)&isar->ch[1];  in init_isar()
1644 	init_timer(&isar->ch[1].ftimer);  in init_isar()
1645 	test_and_set_bit(FLG_INITIALIZED, &isar->ch[1].bch.Flags);  in init_isar()
1650 isar_open(struct isar_hw *isar, struct channel_req *rq)  in isar_open()  argument
1658 	bch = &isar->ch[rq->adr.channel - 1].bch;  in isar_open()
1667 mISDNisar_init(struct isar_hw *isar, void *hw)  in mISDNisar_init()  argument
1671 	isar->hw = hw;  in mISDNisar_init()
1673 		isar->ch[i].bch.nr = i + 1;  in mISDNisar_init()
1674 		mISDN_initbchannel(&isar->ch[i].bch, MAX_DATA_MEM, 32);  in mISDNisar_init()
1675 		isar->ch[i].bch.ch.nr = i + 1;  in mISDNisar_init()
1676 		isar->ch[i].bch.ch.send = &isar_l2l1;  in mISDNisar_init()
1677 		isar->ch[i].bch.ch.ctrl = isar_bctrl;  in mISDNisar_init()
1678 		isar->ch[i].bch.hw = hw;  in mISDNisar_init()
1679 		isar->ch[i].is = isar;  in mISDNisar_init()
1682 	isar->init = &init_isar;  in mISDNisar_init()
1683 	isar->release = &free_isar;  in mISDNisar_init()
1684 	isar->firmware = &load_firmware;  in mISDNisar_init()
1685 	isar->open = &isar_open;  in mISDNisar_init()