188 static void smsc_ircc_setup_io(struct smsc_ircc_cb *self, unsigned int fir_base, unsigned int sir_b…
189 static void smsc_ircc_setup_qos(struct smsc_ircc_cb *self);
190 static void smsc_ircc_init_chip(struct smsc_ircc_cb *self);
191 static int __exit smsc_ircc_close(struct smsc_ircc_cb *self);
192 static int  smsc_ircc_dma_receive(struct smsc_ircc_cb *self);
193 static void smsc_ircc_dma_receive_complete(struct smsc_ircc_cb *self);
194 static void smsc_ircc_sir_receive(struct smsc_ircc_cb *self);
199 static void smsc_ircc_dma_xmit(struct smsc_ircc_cb *self, int bofs);
200 static void smsc_ircc_dma_xmit_complete(struct smsc_ircc_cb *self);
201 static void smsc_ircc_change_speed(struct smsc_ircc_cb *self, u32 speed);
202 static void smsc_ircc_set_sir_speed(struct smsc_ircc_cb *self, u32 speed);
205 static void smsc_ircc_sir_start(struct smsc_ircc_cb *self);
207 static void smsc_ircc_sir_stop(struct smsc_ircc_cb *self);
209 static void smsc_ircc_sir_write_wakeup(struct smsc_ircc_cb *self);
217 static int smsc_ircc_is_receiving(struct smsc_ircc_cb *self);
218 static void smsc_ircc_probe_transceiver(struct smsc_ircc_cb *self);
219 static void smsc_ircc_set_transceiver_for_speed(struct smsc_ircc_cb *self, u32 speed);
220 static void smsc_ircc_sir_wait_hw_transmitter_finish(struct smsc_ircc_cb *self);
496 	struct smsc_ircc_cb *self = netdev_priv(dev);  in smsc_ircc_net_xmit()  local
498 	if (self->io.speed > 115200)  in smsc_ircc_net_xmit()
522 	struct smsc_ircc_cb *self;  in smsc_ircc_open()  local
553 	self = netdev_priv(dev);  in smsc_ircc_open()
554 	self->netdev = dev;  in smsc_ircc_open()
557 	dev->base_addr = self->io.fir_base = fir_base;  in smsc_ircc_open()
558 	dev->irq = self->io.irq = irq;  in smsc_ircc_open()
561 	dev_self[dev_count] = self;  in smsc_ircc_open()
562 	spin_lock_init(&self->lock);  in smsc_ircc_open()
564 	self->rx_buff.truesize = SMSC_IRCC2_RX_BUFF_TRUESIZE;  in smsc_ircc_open()
565 	self->tx_buff.truesize = SMSC_IRCC2_TX_BUFF_TRUESIZE;  in smsc_ircc_open()
567 	self->rx_buff.head =  in smsc_ircc_open()
568 		dma_zalloc_coherent(NULL, self->rx_buff.truesize,  in smsc_ircc_open()
569 				    &self->rx_buff_dma, GFP_KERNEL);  in smsc_ircc_open()
570 	if (self->rx_buff.head == NULL)  in smsc_ircc_open()
573 	self->tx_buff.head =  in smsc_ircc_open()
574 		dma_zalloc_coherent(NULL, self->tx_buff.truesize,  in smsc_ircc_open()
575 				    &self->tx_buff_dma, GFP_KERNEL);  in smsc_ircc_open()
576 	if (self->tx_buff.head == NULL)  in smsc_ircc_open()
579 	self->rx_buff.in_frame = FALSE;  in smsc_ircc_open()
580 	self->rx_buff.state = OUTSIDE_FRAME;  in smsc_ircc_open()
581 	self->tx_buff.data = self->tx_buff.head;  in smsc_ircc_open()
582 	self->rx_buff.data = self->rx_buff.head;  in smsc_ircc_open()
584 	smsc_ircc_setup_io(self, fir_base, sir_base, dma, irq);  in smsc_ircc_open()
585 	smsc_ircc_setup_qos(self);  in smsc_ircc_open()
586 	smsc_ircc_init_chip(self);  in smsc_ircc_open()
590 		self->transceiver = ircc_transceiver;  in smsc_ircc_open()
592 		smsc_ircc_probe_transceiver(self);  in smsc_ircc_open()
594 	err = register_netdev(self->netdev);  in smsc_ircc_open()
601 	self->pldev = platform_device_register_simple(SMSC_IRCC2_DRIVER_NAME,  in smsc_ircc_open()
603 	if (IS_ERR(self->pldev)) {  in smsc_ircc_open()
604 		err = PTR_ERR(self->pldev);  in smsc_ircc_open()
607 	platform_set_drvdata(self->pldev, self);  in smsc_ircc_open()
615 	unregister_netdev(self->netdev);  in smsc_ircc_open()
618 	dma_free_coherent(NULL, self->tx_buff.truesize,  in smsc_ircc_open()
619 			  self->tx_buff.head, self->tx_buff_dma);  in smsc_ircc_open()
621 	dma_free_coherent(NULL, self->rx_buff.truesize,  in smsc_ircc_open()
622 			  self->rx_buff.head, self->rx_buff_dma);  in smsc_ircc_open()
624 	free_netdev(self->netdev);  in smsc_ircc_open()
692 static void smsc_ircc_setup_io(struct smsc_ircc_cb *self,  in smsc_ircc_setup_io()  argument
703 	self->io.fir_base  = fir_base;  in smsc_ircc_setup_io()
704 	self->io.sir_base  = sir_base;  in smsc_ircc_setup_io()
705 	self->io.fir_ext   = SMSC_IRCC2_FIR_CHIP_IO_EXTENT;  in smsc_ircc_setup_io()
706 	self->io.sir_ext   = SMSC_IRCC2_SIR_CHIP_IO_EXTENT;  in smsc_ircc_setup_io()
707 	self->io.fifo_size = SMSC_IRCC2_FIFO_SIZE;  in smsc_ircc_setup_io()
708 	self->io.speed = SMSC_IRCC2_C_IRDA_FALLBACK_SPEED;  in smsc_ircc_setup_io()
714 		self->io.irq = irq;  in smsc_ircc_setup_io()
716 		self->io.irq = chip_irq;  in smsc_ircc_setup_io()
722 		self->io.dma = dma;  in smsc_ircc_setup_io()
724 		self->io.dma = chip_dma;  in smsc_ircc_setup_io()
734 static void smsc_ircc_setup_qos(struct smsc_ircc_cb *self)  in smsc_ircc_setup_qos()  argument
737 	irda_init_max_qos_capabilies(&self->qos);  in smsc_ircc_setup_qos()
739 	self->qos.baud_rate.bits = IR_9600|IR_19200|IR_38400|IR_57600|  in smsc_ircc_setup_qos()
742 	self->qos.min_turn_time.bits = SMSC_IRCC2_MIN_TURN_TIME;  in smsc_ircc_setup_qos()
743 	self->qos.window_size.bits = SMSC_IRCC2_WINDOW_SIZE;  in smsc_ircc_setup_qos()
744 	irda_qos_bits_to_value(&self->qos);  in smsc_ircc_setup_qos()
753 static void smsc_ircc_init_chip(struct smsc_ircc_cb *self)  in smsc_ircc_init_chip()  argument
755 	int iobase = self->io.fir_base;  in smsc_ircc_init_chip()
781 	smsc_ircc_set_sir_speed(self, SMSC_IRCC2_C_IRDA_FALLBACK_SPEED);  in smsc_ircc_init_chip()
796 	struct smsc_ircc_cb *self;  in smsc_ircc_net_ioctl()  local
802 	self = netdev_priv(dev);  in smsc_ircc_net_ioctl()
804 	IRDA_ASSERT(self != NULL, return -1;);  in smsc_ircc_net_ioctl()
815 			spin_lock_irqsave(&self->lock, flags);  in smsc_ircc_net_ioctl()
816 			smsc_ircc_change_speed(self, irq->ifr_baudrate);  in smsc_ircc_net_ioctl()
817 			spin_unlock_irqrestore(&self->lock, flags);  in smsc_ircc_net_ioctl()
826 		irda_device_set_media_busy(self->netdev, TRUE);  in smsc_ircc_net_ioctl()
829 		irq->ifr_receiving = smsc_ircc_is_receiving(self);  in smsc_ircc_net_ioctl()
857 	struct smsc_ircc_cb *self = netdev_priv(dev);  in smsc_ircc_timeout()  local
861 			     dev->name, self->io.speed);  in smsc_ircc_timeout()
862 	spin_lock_irqsave(&self->lock, flags);  in smsc_ircc_timeout()
863 	smsc_ircc_sir_start(self);  in smsc_ircc_timeout()
864 	smsc_ircc_change_speed(self, self->io.speed);  in smsc_ircc_timeout()
867 	spin_unlock_irqrestore(&self->lock, flags);  in smsc_ircc_timeout()
881 	struct smsc_ircc_cb *self;  in smsc_ircc_hard_xmit_sir()  local
889 	self = netdev_priv(dev);  in smsc_ircc_hard_xmit_sir()
890 	IRDA_ASSERT(self != NULL, return NETDEV_TX_OK;);  in smsc_ircc_hard_xmit_sir()
895 	spin_lock_irqsave(&self->lock, flags);  in smsc_ircc_hard_xmit_sir()
899 	if (speed != self->io.speed && speed != -1) {  in smsc_ircc_hard_xmit_sir()
911 			smsc_ircc_sir_wait_hw_transmitter_finish(self);  in smsc_ircc_hard_xmit_sir()
912 			smsc_ircc_change_speed(self, speed);  in smsc_ircc_hard_xmit_sir()
913 			spin_unlock_irqrestore(&self->lock, flags);  in smsc_ircc_hard_xmit_sir()
917 		self->new_speed = speed;  in smsc_ircc_hard_xmit_sir()
921 	self->tx_buff.data = self->tx_buff.head;  in smsc_ircc_hard_xmit_sir()
924 	self->tx_buff.len = async_wrap_skb(skb, self->tx_buff.data,  in smsc_ircc_hard_xmit_sir()
925 					   self->tx_buff.truesize);  in smsc_ircc_hard_xmit_sir()
927 	dev->stats.tx_bytes += self->tx_buff.len;  in smsc_ircc_hard_xmit_sir()
930 	outb(UART_IER_THRI, self->io.sir_base + UART_IER);  in smsc_ircc_hard_xmit_sir()
932 	spin_unlock_irqrestore(&self->lock, flags);  in smsc_ircc_hard_xmit_sir()
945 static void smsc_ircc_set_fir_speed(struct smsc_ircc_cb *self, u32 speed)  in smsc_ircc_set_fir_speed()  argument
949 	IRDA_ASSERT(self != NULL, return;);  in smsc_ircc_set_fir_speed()
950 	fir_base = self->io.fir_base;  in smsc_ircc_set_fir_speed()
952 	self->io.speed = speed;  in smsc_ircc_set_fir_speed()
997 static void smsc_ircc_fir_start(struct smsc_ircc_cb *self)  in smsc_ircc_fir_start()  argument
1004 	IRDA_ASSERT(self != NULL, return;);  in smsc_ircc_fir_start()
1005 	dev = self->netdev;  in smsc_ircc_fir_start()
1008 	fir_base = self->io.fir_base;  in smsc_ircc_fir_start()
1043 static void smsc_ircc_fir_stop(struct smsc_ircc_cb *self)  in smsc_ircc_fir_stop()  argument
1049 	IRDA_ASSERT(self != NULL, return;);  in smsc_ircc_fir_stop()
1051 	fir_base = self->io.fir_base;  in smsc_ircc_fir_stop()
1066 static void smsc_ircc_change_speed(struct smsc_ircc_cb *self, u32 speed)  in smsc_ircc_change_speed()  argument
1073 	IRDA_ASSERT(self != NULL, return;);  in smsc_ircc_change_speed()
1074 	dev = self->netdev;  in smsc_ircc_change_speed()
1076 	last_speed_was_sir = self->io.speed <= SMSC_IRCC2_MAX_SIR_SPEED;  in smsc_ircc_change_speed()
1081 	self->io.speed = speed;  in smsc_ircc_change_speed()
1083 	smsc_ircc_fir_start(self);  in smsc_ircc_change_speed()
1086 	if (self->io.speed == 0)  in smsc_ircc_change_speed()
1087 		smsc_ircc_sir_start(self);  in smsc_ircc_change_speed()
1090 	if (!last_speed_was_sir) speed = self->io.speed;  in smsc_ircc_change_speed()
1093 	if (self->io.speed != speed)  in smsc_ircc_change_speed()
1094 		smsc_ircc_set_transceiver_for_speed(self, speed);  in smsc_ircc_change_speed()
1096 	self->io.speed = speed;  in smsc_ircc_change_speed()
1100 			smsc_ircc_fir_stop(self);  in smsc_ircc_change_speed()
1101 			smsc_ircc_sir_start(self);  in smsc_ircc_change_speed()
1103 		smsc_ircc_set_sir_speed(self, speed);  in smsc_ircc_change_speed()
1107 			smsc_ircc_sir_stop(self);  in smsc_ircc_change_speed()
1109 			smsc_ircc_fir_start(self);  in smsc_ircc_change_speed()
1111 		smsc_ircc_set_fir_speed(self, speed);  in smsc_ircc_change_speed()
1114 		self->tx_buff.len = 10;  in smsc_ircc_change_speed()
1115 		self->tx_buff.data = self->tx_buff.head;  in smsc_ircc_change_speed()
1117 		smsc_ircc_dma_xmit(self, 4000);  in smsc_ircc_change_speed()
1120 		smsc_ircc_dma_receive(self);  in smsc_ircc_change_speed()
1132 static void smsc_ircc_set_sir_speed(struct smsc_ircc_cb *self, __u32 speed)  in smsc_ircc_set_sir_speed()  argument
1141 	IRDA_ASSERT(self != NULL, return;);  in smsc_ircc_set_sir_speed()
1142 	iobase = self->io.sir_base;  in smsc_ircc_set_sir_speed()
1145 	self->io.speed = speed;  in smsc_ircc_set_sir_speed()
1159 	fcr |= self->io.speed < 38400 ?  in smsc_ircc_set_sir_speed()
1187 	struct smsc_ircc_cb *self;  in smsc_ircc_hard_xmit_fir()  local
1193 	self = netdev_priv(dev);  in smsc_ircc_hard_xmit_fir()
1194 	IRDA_ASSERT(self != NULL, return NETDEV_TX_OK;);  in smsc_ircc_hard_xmit_fir()
1199 	spin_lock_irqsave(&self->lock, flags);  in smsc_ircc_hard_xmit_fir()
1203 	if (speed != self->io.speed && speed != -1) {  in smsc_ircc_hard_xmit_fir()
1209 			smsc_ircc_change_speed(self, speed);  in smsc_ircc_hard_xmit_fir()
1210 			spin_unlock_irqrestore(&self->lock, flags);  in smsc_ircc_hard_xmit_fir()
1215 		self->new_speed = speed;  in smsc_ircc_hard_xmit_fir()
1218 	skb_copy_from_linear_data(skb, self->tx_buff.head, skb->len);  in smsc_ircc_hard_xmit_fir()
1220 	self->tx_buff.len = skb->len;  in smsc_ircc_hard_xmit_fir()
1221 	self->tx_buff.data = self->tx_buff.head;  in smsc_ircc_hard_xmit_fir()
1231 		bofs = mtt * (self->io.speed / 1000) / 8000;  in smsc_ircc_hard_xmit_fir()
1235 		smsc_ircc_dma_xmit(self, bofs);  in smsc_ircc_hard_xmit_fir()
1238 		smsc_ircc_dma_xmit(self, 0);  in smsc_ircc_hard_xmit_fir()
1241 	spin_unlock_irqrestore(&self->lock, flags);  in smsc_ircc_hard_xmit_fir()
1253 static void smsc_ircc_dma_xmit(struct smsc_ircc_cb *self, int bofs)  in smsc_ircc_dma_xmit()  argument
1255 	int iobase = self->io.fir_base;  in smsc_ircc_dma_xmit()
1268 	self->io.direction = IO_XMIT;  in smsc_ircc_dma_xmit()
1277 	outb(self->tx_buff.len >> 8, iobase + IRCC_TX_SIZE_HI);  in smsc_ircc_dma_xmit()
1278 	outb(self->tx_buff.len & 0xff, iobase + IRCC_TX_SIZE_LO);  in smsc_ircc_dma_xmit()
1288 	irda_setup_dma(self->io.dma, self->tx_buff_dma, self->tx_buff.len,  in smsc_ircc_dma_xmit()
1308 static void smsc_ircc_dma_xmit_complete(struct smsc_ircc_cb *self)  in smsc_ircc_dma_xmit_complete()  argument
1310 	int iobase = self->io.fir_base;  in smsc_ircc_dma_xmit_complete()
1325 		self->netdev->stats.tx_errors++;  in smsc_ircc_dma_xmit_complete()
1326 		self->netdev->stats.tx_fifo_errors++;  in smsc_ircc_dma_xmit_complete()
1333 		self->netdev->stats.tx_packets++;  in smsc_ircc_dma_xmit_complete()
1334 		self->netdev->stats.tx_bytes += self->tx_buff.len;  in smsc_ircc_dma_xmit_complete()
1338 	if (self->new_speed) {  in smsc_ircc_dma_xmit_complete()
1339 		smsc_ircc_change_speed(self, self->new_speed);  in smsc_ircc_dma_xmit_complete()
1340 		self->new_speed = 0;  in smsc_ircc_dma_xmit_complete()
1343 	netif_wake_queue(self->netdev);  in smsc_ircc_dma_xmit_complete()
1353 static int smsc_ircc_dma_receive(struct smsc_ircc_cb *self)  in smsc_ircc_dma_receive()  argument
1355 	int iobase = self->io.fir_base;  in smsc_ircc_dma_receive()
1372 	self->io.direction = IO_RECV;  in smsc_ircc_dma_receive()
1373 	self->rx_buff.data = self->rx_buff.head;  in smsc_ircc_dma_receive()
1381 	irda_setup_dma(self->io.dma, self->rx_buff_dma, self->rx_buff.truesize,  in smsc_ircc_dma_receive()
1408 static void smsc_ircc_dma_receive_complete(struct smsc_ircc_cb *self)  in smsc_ircc_dma_receive_complete()  argument
1412 	int iobase = self->io.fir_base;  in smsc_ircc_dma_receive_complete()
1428 		 get_dma_residue(self->io.dma));  in smsc_ircc_dma_receive_complete()
1430 	len = self->rx_buff.truesize - get_dma_residue(self->io.dma);  in smsc_ircc_dma_receive_complete()
1434 		self->netdev->stats.rx_errors++;  in smsc_ircc_dma_receive_complete()
1436 			self->netdev->stats.rx_frame_errors++;  in smsc_ircc_dma_receive_complete()
1438 			self->netdev->stats.rx_crc_errors++;  in smsc_ircc_dma_receive_complete()
1440 			self->netdev->stats.rx_length_errors++;  in smsc_ircc_dma_receive_complete()
1442 			self->netdev->stats.rx_length_errors++;  in smsc_ircc_dma_receive_complete()
1447 	len -= self->io.speed < 4000000 ? 2 : 4;  in smsc_ircc_dma_receive_complete()
1462 	memcpy(skb_put(skb, len), self->rx_buff.data, len);  in smsc_ircc_dma_receive_complete()
1463 	self->netdev->stats.rx_packets++;  in smsc_ircc_dma_receive_complete()
1464 	self->netdev->stats.rx_bytes += len;  in smsc_ircc_dma_receive_complete()
1466 	skb->dev = self->netdev;  in smsc_ircc_dma_receive_complete()
1478 static void smsc_ircc_sir_receive(struct smsc_ircc_cb *self)  in smsc_ircc_sir_receive()  argument
1483 	IRDA_ASSERT(self != NULL, return;);  in smsc_ircc_sir_receive()
1485 	iobase = self->io.sir_base;  in smsc_ircc_sir_receive()
1492 		async_unwrap_char(self->netdev, &self->netdev->stats, &self->rx_buff,  in smsc_ircc_sir_receive()
1513 	struct smsc_ircc_cb *self = netdev_priv(dev);  in smsc_ircc_interrupt()  local
1518 	spin_lock(&self->lock);  in smsc_ircc_interrupt()
1521 	if (self->io.speed <= SMSC_IRCC2_MAX_SIR_SPEED) {  in smsc_ircc_interrupt()
1526 	iobase = self->io.fir_base;  in smsc_ircc_interrupt()
1542 		if (self->io.direction == IO_RECV)  in smsc_ircc_interrupt()
1543 			smsc_ircc_dma_receive_complete(self);  in smsc_ircc_interrupt()
1545 			smsc_ircc_dma_xmit_complete(self);  in smsc_ircc_interrupt()
1547 		smsc_ircc_dma_receive(self);  in smsc_ircc_interrupt()
1560 	spin_unlock(&self->lock);  in smsc_ircc_interrupt()
1572 	struct smsc_ircc_cb *self = netdev_priv(dev);  in smsc_ircc_interrupt_sir()  local
1580 	iobase = self->io.sir_base;  in smsc_ircc_interrupt_sir()
1598 			smsc_ircc_sir_receive(self);  in smsc_ircc_interrupt_sir()
1603 				smsc_ircc_sir_write_wakeup(self);  in smsc_ircc_interrupt_sir()
1629 static int ircc_is_receiving(struct smsc_ircc_cb *self)
1636 	IRDA_ASSERT(self != NULL, return FALSE;);
1639 		 get_dma_residue(self->io.dma));
1641 	status = (self->rx_buff.state != OUTSIDE_FRAME);
1647 static int smsc_ircc_request_irq(struct smsc_ircc_cb *self)  in smsc_ircc_request_irq()  argument
1651 	error = request_irq(self->io.irq, smsc_ircc_interrupt, 0,  in smsc_ircc_request_irq()
1652 			    self->netdev->name, self->netdev);  in smsc_ircc_request_irq()
1655 			 __func__, self->io.irq, error);  in smsc_ircc_request_irq()
1660 static void smsc_ircc_start_interrupts(struct smsc_ircc_cb *self)  in smsc_ircc_start_interrupts()  argument
1664 	spin_lock_irqsave(&self->lock, flags);  in smsc_ircc_start_interrupts()
1666 	self->io.speed = 0;  in smsc_ircc_start_interrupts()
1667 	smsc_ircc_change_speed(self, SMSC_IRCC2_C_IRDA_FALLBACK_SPEED);  in smsc_ircc_start_interrupts()
1669 	spin_unlock_irqrestore(&self->lock, flags);  in smsc_ircc_start_interrupts()
1672 static void smsc_ircc_stop_interrupts(struct smsc_ircc_cb *self)  in smsc_ircc_stop_interrupts()  argument
1674 	int iobase = self->io.fir_base;  in smsc_ircc_stop_interrupts()
1677 	spin_lock_irqsave(&self->lock, flags);  in smsc_ircc_stop_interrupts()
1684 	spin_unlock_irqrestore(&self->lock, flags);  in smsc_ircc_stop_interrupts()
1696 	struct smsc_ircc_cb *self;  in smsc_ircc_net_open()  local
1702 	self = netdev_priv(dev);  in smsc_ircc_net_open()
1703 	IRDA_ASSERT(self != NULL, return 0;);  in smsc_ircc_net_open()
1705 	if (self->io.suspended) {  in smsc_ircc_net_open()
1710 	if (request_irq(self->io.irq, smsc_ircc_interrupt, 0, dev->name,  in smsc_ircc_net_open()
1713 			 __func__, self->io.irq);  in smsc_ircc_net_open()
1717 	smsc_ircc_start_interrupts(self);  in smsc_ircc_net_open()
1721 	sprintf(hwname, "SMSC @ 0x%03x", self->io.fir_base);  in smsc_ircc_net_open()
1727 	self->irlap = irlap_open(dev, &self->qos, hwname);  in smsc_ircc_net_open()
1733 	if (request_dma(self->io.dma, dev->name)) {  in smsc_ircc_net_open()
1737 				     __func__, self->io.dma);  in smsc_ircc_net_open()
1754 	struct smsc_ircc_cb *self;  in smsc_ircc_net_close()  local
1759 	self = netdev_priv(dev);  in smsc_ircc_net_close()
1760 	IRDA_ASSERT(self != NULL, return 0;);  in smsc_ircc_net_close()
1766 	if (self->irlap)  in smsc_ircc_net_close()
1767 		irlap_close(self->irlap);  in smsc_ircc_net_close()
1768 	self->irlap = NULL;  in smsc_ircc_net_close()
1770 	smsc_ircc_stop_interrupts(self);  in smsc_ircc_net_close()
1773 	if (!self->io.suspended)  in smsc_ircc_net_close()
1774 		free_irq(self->io.irq, dev);  in smsc_ircc_net_close()
1776 	disable_dma(self->io.dma);  in smsc_ircc_net_close()
1777 	free_dma(self->io.dma);  in smsc_ircc_net_close()
1784 	struct smsc_ircc_cb *self = platform_get_drvdata(dev);  in smsc_ircc_suspend()  local
1786 	if (!self->io.suspended) {  in smsc_ircc_suspend()
1790 		if (netif_running(self->netdev)) {  in smsc_ircc_suspend()
1791 			netif_device_detach(self->netdev);  in smsc_ircc_suspend()
1792 			smsc_ircc_stop_interrupts(self);  in smsc_ircc_suspend()
1793 			free_irq(self->io.irq, self->netdev);  in smsc_ircc_suspend()
1794 			disable_dma(self->io.dma);  in smsc_ircc_suspend()
1796 		self->io.suspended = 1;  in smsc_ircc_suspend()
1805 	struct smsc_ircc_cb *self = platform_get_drvdata(dev);  in smsc_ircc_resume()  local
1807 	if (self->io.suspended) {  in smsc_ircc_resume()
1811 		smsc_ircc_init_chip(self);  in smsc_ircc_resume()
1812 		if (netif_running(self->netdev)) {  in smsc_ircc_resume()
1813 			if (smsc_ircc_request_irq(self)) {  in smsc_ircc_resume()
1818 				unregister_netdevice(self->netdev);  in smsc_ircc_resume()
1820 				enable_dma(self->io.dma);  in smsc_ircc_resume()
1821 				smsc_ircc_start_interrupts(self);  in smsc_ircc_resume()
1822 				netif_device_attach(self->netdev);  in smsc_ircc_resume()
1825 		self->io.suspended = 0;  in smsc_ircc_resume()
1837 static int __exit smsc_ircc_close(struct smsc_ircc_cb *self)  in smsc_ircc_close()  argument
1841 	IRDA_ASSERT(self != NULL, return -1;);  in smsc_ircc_close()
1843 	platform_device_unregister(self->pldev);  in smsc_ircc_close()
1846 	unregister_netdev(self->netdev);  in smsc_ircc_close()
1848 	smsc_ircc_stop_interrupts(self);  in smsc_ircc_close()
1852 		 self->io.fir_base);  in smsc_ircc_close()
1854 	release_region(self->io.fir_base, self->io.fir_ext);  in smsc_ircc_close()
1857 		 self->io.sir_base);  in smsc_ircc_close()
1859 	release_region(self->io.sir_base, self->io.sir_ext);  in smsc_ircc_close()
1861 	if (self->tx_buff.head)  in smsc_ircc_close()
1862 		dma_free_coherent(NULL, self->tx_buff.truesize,  in smsc_ircc_close()
1863 				  self->tx_buff.head, self->tx_buff_dma);  in smsc_ircc_close()
1865 	if (self->rx_buff.head)  in smsc_ircc_close()
1866 		dma_free_coherent(NULL, self->rx_buff.truesize,  in smsc_ircc_close()
1867 				  self->rx_buff.head, self->rx_buff_dma);  in smsc_ircc_close()
1869 	free_netdev(self->netdev);  in smsc_ircc_close()
1897 static void smsc_ircc_sir_start(struct smsc_ircc_cb *self)  in smsc_ircc_sir_start()  argument
1904 	IRDA_ASSERT(self != NULL, return;);  in smsc_ircc_sir_start()
1905 	dev = self->netdev;  in smsc_ircc_sir_start()
1908 	fir_base = self->io.fir_base;  in smsc_ircc_sir_start()
1909 	sir_base = self->io.sir_base;  in smsc_ircc_sir_start()
1934 void smsc_ircc_sir_stop(struct smsc_ircc_cb *self)  in smsc_ircc_sir_stop()  argument
1939 	iobase = self->io.sir_base;  in smsc_ircc_sir_stop()
1956 static void smsc_ircc_sir_write_wakeup(struct smsc_ircc_cb *self)  in smsc_ircc_sir_write_wakeup()  argument
1962 	IRDA_ASSERT(self != NULL, return;);  in smsc_ircc_sir_write_wakeup()
1966 	iobase = self->io.sir_base;  in smsc_ircc_sir_write_wakeup()
1969 	if (self->tx_buff.len > 0)  {  in smsc_ircc_sir_write_wakeup()
1971 		actual = smsc_ircc_sir_write(iobase, self->io.fifo_size,  in smsc_ircc_sir_write_wakeup()
1972 				      self->tx_buff.data, self->tx_buff.len);  in smsc_ircc_sir_write_wakeup()
1973 		self->tx_buff.data += actual;  in smsc_ircc_sir_write_wakeup()
1974 		self->tx_buff.len  -= actual;  in smsc_ircc_sir_write_wakeup()
1984 		if (self->new_speed) {  in smsc_ircc_sir_write_wakeup()
1986 				 __func__, self->new_speed);  in smsc_ircc_sir_write_wakeup()
1987 			smsc_ircc_sir_wait_hw_transmitter_finish(self);  in smsc_ircc_sir_write_wakeup()
1988 			smsc_ircc_change_speed(self, self->new_speed);  in smsc_ircc_sir_write_wakeup()
1989 			self->new_speed = 0;  in smsc_ircc_sir_write_wakeup()
1992 			netif_wake_queue(self->netdev);  in smsc_ircc_sir_write_wakeup()
1994 		self->netdev->stats.tx_packets++;  in smsc_ircc_sir_write_wakeup()
1996 		if (self->io.speed <= 115200) {  in smsc_ircc_sir_write_wakeup()
2002 			fcr |= self->io.speed < 38400 ?  in smsc_ircc_sir_write_wakeup()
2045 static int smsc_ircc_is_receiving(struct smsc_ircc_cb *self)  in smsc_ircc_is_receiving()  argument
2047 	return self->rx_buff.state != OUTSIDE_FRAME;  in smsc_ircc_is_receiving()
2057 static void smsc_ircc_probe_transceiver(struct smsc_ircc_cb *self)  in smsc_ircc_probe_transceiver()  argument
2061 	IRDA_ASSERT(self != NULL, return;);  in smsc_ircc_probe_transceiver()
2064 		if (smsc_transceivers[i].probe(self->io.fir_base)) {  in smsc_ircc_probe_transceiver()
2067 			self->transceiver= i + 1;  in smsc_ircc_probe_transceiver()
2074 	self->transceiver = SMSC_IRCC2_C_DEFAULT_TRANSCEIVER;  in smsc_ircc_probe_transceiver()
2084 static void smsc_ircc_set_transceiver_for_speed(struct smsc_ircc_cb *self, u32 speed)  in smsc_ircc_set_transceiver_for_speed()  argument
2088 	trx = self->transceiver;  in smsc_ircc_set_transceiver_for_speed()
2090 		smsc_transceivers[trx - 1].set_for_speed(self->io.fir_base, speed);  in smsc_ircc_set_transceiver_for_speed()
2116 static void smsc_ircc_sir_wait_hw_transmitter_finish(struct smsc_ircc_cb *self)  in smsc_ircc_sir_wait_hw_transmitter_finish()  argument
2118 	int iobase = self->io.sir_base;  in smsc_ircc_sir_wait_hw_transmitter_finish()