X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=include%2Flinux%2Fisicom.h;h=f9974634b833fb1f323d75689caa05094e99da32;hb=a9fdee76789476a10f923f9fb3c84993042da3ac;hp=7c6eae7f6ed73cacc5ab81268684020bd768bac1;hpb=8d40237c730b8be87c1b80a5d96b9c603fefa829;p=linux-2.6.git

diff --git a/include/linux/isicom.h b/include/linux/isicom.h
index 7c6eae7f6..f9974634b 100644
--- a/include/linux/isicom.h
+++ b/include/linux/isicom.h
@@ -125,6 +125,179 @@ typedef	struct	{
 
 #define		ISI_TXOK		0x0001 
  
+struct	isi_board {
+	unsigned short		base;
+	unsigned char		irq;
+	unsigned char		port_count;
+	unsigned short		status;
+	unsigned short		port_status; /* each bit represents a single port */
+	unsigned short		shift_count;
+	struct isi_port		* ports;
+	signed char		count;
+	unsigned char		isa;
+};
+
+struct	isi_port {
+	unsigned short		magic;
+	unsigned int		flags;
+	int			count;
+	int			blocked_open;
+	int			close_delay;
+	unsigned short		channel;
+	unsigned short		status;
+	unsigned short		closing_wait;
+	struct isi_board	* card;
+	struct tty_struct 	* tty;
+	wait_queue_head_t	close_wait;
+	wait_queue_head_t	open_wait;
+	struct work_struct	hangup_tq;
+	struct work_struct	bh_tqueue;
+	unsigned char		* xmit_buf;
+	int			xmit_head;
+	int			xmit_tail;
+	int			xmit_cnt;
+};
+
+
+/*
+ *  ISI Card specific ops ...
+ */
+ 
+static inline void raise_dtr(struct isi_port * port)
+{
+	struct isi_board * card = port->card;
+	unsigned short base = card->base;
+	unsigned char channel = port->channel;
+	short wait=400;
+	while(((inw(base+0x0e) & 0x01) == 0) && (wait-- > 0));
+	if (wait <= 0) {
+		printk(KERN_WARNING "ISICOM: Card found busy in raise_dtr.\n");
+		return;
+	}
+#ifdef ISICOM_DEBUG_DTR_RTS	
+	printk(KERN_DEBUG "ISICOM: raise_dtr.\n");
+#endif	
+	outw(0x8000 | (channel << card->shift_count) | 0x02 , base);
+	outw(0x0504, base);
+	InterruptTheCard(base);
+	port->status |= ISI_DTR;
+}
+
+static inline void drop_dtr(struct isi_port * port)
+{	
+	struct isi_board * card = port->card;
+	unsigned short base = card->base;
+	unsigned char channel = port->channel;
+	short wait=400;
+	while(((inw(base+0x0e) & 0x01) == 0) && (wait-- > 0));
+	if (wait <= 0) {
+		printk(KERN_WARNING "ISICOM: Card found busy in drop_dtr.\n");
+		return;
+	}
+#ifdef ISICOM_DEBUG_DTR_RTS	
+	printk(KERN_DEBUG "ISICOM: drop_dtr.\n");
+#endif	
+	outw(0x8000 | (channel << card->shift_count) | 0x02 , base);
+	outw(0x0404, base);
+	InterruptTheCard(base);	
+	port->status &= ~ISI_DTR;
+}
+static inline void raise_rts(struct isi_port * port)
+{
+	struct isi_board * card = port->card;
+	unsigned short base = card->base;
+	unsigned char channel = port->channel;
+	short wait=400;
+	while(((inw(base+0x0e) & 0x01) == 0) && (wait-- > 0));
+	if (wait <= 0) {
+		printk(KERN_WARNING "ISICOM: Card found busy in raise_rts.\n");
+		return;
+	}
+#ifdef ISICOM_DEBUG_DTR_RTS	
+	printk(KERN_DEBUG "ISICOM: raise_rts.\n");
+#endif	
+	outw(0x8000 | (channel << card->shift_count) | 0x02 , base);
+	outw(0x0a04, base);
+	InterruptTheCard(base);	
+	port->status |= ISI_RTS;
+}
+static inline void drop_rts(struct isi_port * port)
+{
+	struct isi_board * card = port->card;
+	unsigned short base = card->base;
+	unsigned char channel = port->channel;
+	short wait=400;
+	while(((inw(base+0x0e) & 0x01) == 0) && (wait-- > 0));
+	if (wait <= 0) {
+		printk(KERN_WARNING "ISICOM: Card found busy in drop_rts.\n");
+		return;
+	}
+#ifdef ISICOM_DEBUG_DTR_RTS	
+	printk(KERN_DEBUG "ISICOM: drop_rts.\n");
+#endif	
+	outw(0x8000 | (channel << card->shift_count) | 0x02 , base);
+	outw(0x0804, base);
+	InterruptTheCard(base);	
+	port->status &= ~ISI_RTS;
+}
+static inline void raise_dtr_rts(struct isi_port * port)
+{
+	struct isi_board * card = port->card;
+	unsigned short base = card->base;
+	unsigned char channel = port->channel;
+	short wait=400;
+	while(((inw(base+0x0e) & 0x01) == 0) && (wait-- > 0));
+	if (wait <= 0) {
+		printk(KERN_WARNING "ISICOM: Card found busy in raise_dtr_rts.\n");
+		return;
+	}
+#ifdef ISICOM_DEBUG_DTR_RTS	
+	printk(KERN_DEBUG "ISICOM: raise_dtr_rts.\n");
+#endif	
+	outw(0x8000 | (channel << card->shift_count) | 0x02 , base);
+	outw(0x0f04, base);
+	InterruptTheCard(base);
+	port->status |= (ISI_DTR | ISI_RTS);
+}
+static inline void drop_dtr_rts(struct isi_port * port)
+{
+	struct isi_board * card = port->card;
+	unsigned short base = card->base;
+	unsigned char channel = port->channel;
+	short wait=400;
+	while(((inw(base+0x0e) & 0x01) == 0) && (wait-- > 0));
+	if (wait <= 0) {
+		printk(KERN_WARNING "ISICOM: Card found busy in drop_dtr_rts.\n");
+		return;
+	}
+#ifdef ISICOM_DEBUG_DTR_RTS	
+	printk(KERN_DEBUG "ISICOM: drop_dtr_rts.\n");
+#endif	
+	outw(0x8000 | (channel << card->shift_count) | 0x02 , base);
+	outw(0x0c04, base);
+	InterruptTheCard(base);	
+	port->status &= ~(ISI_RTS | ISI_DTR);
+}
+
+static inline void kill_queue(struct isi_port * port, short queue)
+{
+	struct isi_board * card = port->card;
+	unsigned short base = card->base;
+	unsigned char channel = port->channel;
+	short wait=400;
+	while(((inw(base+0x0e) & 0x01) == 0) && (wait-- > 0));
+	if (wait <= 0) {
+		printk(KERN_WARNING "ISICOM: Card found busy in kill_queue.\n");
+		return;
+	}
+#ifdef ISICOM_DEBUG	
+	printk(KERN_DEBUG "ISICOM: kill_queue 0x%x.\n", queue);
+#endif	
+	outw(0x8000 | (channel << card->shift_count) | 0x02 , base);
+	outw((queue << 8) | 0x06, base);
+	InterruptTheCard(base);	
+}
+
 #endif	/*	__KERNEL__	*/
 
 #endif	/*	ISICOM_H	*/