plan 9 kernel history: overview | file list | diff list

1993/1117/pc/ether8390.c (diff list | history)

1993/1116/sys/src/9/pc/ether8390.c:147,158 – 1993/1117/sys/src/9/pc/ether8390.c:147,158 (short | long | prev | next)
1992/1222    
} Hdr; 
 
static void
1993/1116    
dp8390disable(Ether *ether)
1993/1117    
dp8390disable(Dp8390 *dp8390)
1992/1222    
{
1993/0915    
	ulong dp8390;
1993/1117    
	ulong port;
1992/1222    
	int timo;
1993/1116    
	dp8390 = ether->dp8390;
1993/1117    
	port = dp8390->dp8390;
1992/1222    
	/* 
	 * Stop the chip. Set the Stp bit and wait for the chip 
	 * to finish whatever was on its tiny mind before it sets
1993/1116/sys/src/9/pc/ether8390.c:161,198 – 1993/1117/sys/src/9/pc/ether8390.c:161,198
1992/1222    
	 * chip there if this is called when probing for a device 
	 * at boot. 
	 */
1993/0915    
	dp8390outb(dp8390+Cr, Page0|RDMAabort|Stp); 
	dp8390outb(dp8390+Rbcr0, 0); 
	dp8390outb(dp8390+Rbcr1, 0); 
	for(timo = 10000; (dp8390inb(dp8390+Isr) & Rst) == 0 && timo; timo--)
1993/1117    
	dp8390outb(port+Cr, Page0|RDMAabort|Stp); 
	dp8390outb(port+Rbcr0, 0); 
	dp8390outb(port+Rbcr1, 0); 
	for(timo = 10000; (dp8390inb(port+Isr) & Rst) == 0 && timo; timo--)
1992/1222    
			; 
}
1993/0212    
static void
1993/1116    
dp8390ring(Ether *ether)
1993/1117    
dp8390ring(Dp8390 *dp8390)
1993/0212    
{
1993/0915    
	ulong dp8390;
1993/1117    
	ulong port;
1993/0212    
1993/1116    
	dp8390 = ether->dp8390; 
	dp8390outb(dp8390+Pstart, ether->pstart); 
	dp8390outb(dp8390+Pstop, ether->pstop); 
	dp8390outb(dp8390+Bnry, ether->pstop-1);
1993/1117    
	port = dp8390->dp8390; 
	dp8390outb(port+Pstart, dp8390->pstart); 
	dp8390outb(port+Pstop, dp8390->pstop); 
	dp8390outb(port+Bnry, dp8390->pstop-1);
1993/0212    
1993/0915    
	dp8390outb(dp8390+Cr, Page1|RDMAabort|Stp);
1993/1116    
	dp8390outb(dp8390+Curr, ether->pstart);
1993/0915    
	dp8390outb(dp8390+Cr, Page0|RDMAabort|Stp);
1993/1117    
	dp8390outb(port+Cr, Page1|RDMAabort|Stp); 
	dp8390outb(port+Curr, dp8390->pstart); 
	dp8390outb(port+Cr, Page0|RDMAabort|Stp);
1993/0915    
1993/1116    
	ether->nxtpkt = ether->pstart;
1993/1117    
	dp8390->nxtpkt = dp8390->pstart;
1993/0212    
}
1992/1222    
void
1993/1116    
dp8390setea(Ether *ether)
1992/1222    
{
1993/0915    
	ulong dp8390;
1993/1117    
	ulong port;
1992/1222    
	uchar cr; 
	int i;
1993/1116    
	dp8390 = ether->dp8390;
1993/1117    
	port = ((Dp8390*)ether->private)->dp8390;
1992/1222    
	/* 
	 * Set the ethernet address into the chip. 
	 * Take care to restore the command register
1993/1116/sys/src/9/pc/ether8390.c:200,220 – 1993/1117/sys/src/9/pc/ether8390.c:200,220
1992/1222    
	 * addresses as we never set the multicast 
	 * enable. 
	 */
1993/0915    
	cr = dp8390inb(dp8390+Cr) & ~Txp; 
	dp8390outb(dp8390+Cr, Page1|(~(Ps1|Ps0) & cr));
1993/1117    
	cr = dp8390inb(port+Cr) & ~Txp; 
	dp8390outb(port+Cr, Page1|(~(Ps1|Ps0) & cr));
1993/1116    
	for(i = 0; i < sizeof(ether->ea); i++) 
		dp8390outb(dp8390+Par0+i, ether->ea[i]);
1993/0915    
	dp8390outb(dp8390+Cr, cr);
1993/1117    
		dp8390outb(port+Par0+i, ether->ea[i]); 
	dp8390outb(port+Cr, cr);
1992/1222    
}
1993/0915    
void
1993/1116    
dp8390getea(Ether *ether)
1993/0915    
{ 
	ulong dp8390;
1993/1117    
	ulong port;
1993/0915    
	uchar cr; 
	int i;
1993/1116    
	dp8390 = ether->dp8390;
1993/1117    
	port = ((Dp8390*)ether->private)->dp8390;
1993/0915    
	/*
1993/1116    
	 * Get the ethernet address from the chip.
1993/0915    
	 * Take care to restore the command register
1993/1116/sys/src/9/pc/ether8390.c:222,270 – 1993/1117/sys/src/9/pc/ether8390.c:222,270
1993/0915    
	 * addresses as we never set the multicast 
	 * enable. 
	 */ 
	cr = dp8390inb(dp8390+Cr) & ~Txp; 
	dp8390outb(dp8390+Cr, Page1|(~(Ps1|Ps0) & cr));
1993/1117    
	cr = dp8390inb(port+Cr) & ~Txp; 
	dp8390outb(port+Cr, Page1|(~(Ps1|Ps0) & cr));
1993/1116    
	for(i = 0; i < sizeof(ether->ea); i++) 
		ether->ea[i] = dp8390inb(dp8390+Par0+i);
1993/0915    
	dp8390outb(dp8390+Cr, cr);
1993/1117    
		ether->ea[i] = dp8390inb(port+Par0+i); 
	dp8390outb(port+Cr, cr);
1993/0915    
}
1993/1116    
static void* 
dp8390read(Ether *ether, void *to, ulong from, ulong len)
1993/1117    
dp8390read(Dp8390 *dp8390, void *to, ulong from, ulong len)
1992/1222    
{
1993/0915    
	ulong dp8390;
1993/1117    
	ulong port;
1992/1222    
	uchar cr; 
	int timo;
1993/1116    
	dp8390 = ether->dp8390;
1993/1117    
	port = dp8390->dp8390;
1992/1222    
	/*
1993/0212    
	 * Read some data at offset 'from' in the card's memory
1992/1222    
	 * using the DP8390 remote DMA facility, and place it at 
	 * 'to' in main memory, via the I/O data port. 
	 */
1993/0915    
	cr = dp8390inb(dp8390+Cr) & ~Txp; 
	dp8390outb(dp8390+Cr, Page0|RDMAabort|Sta); 
	dp8390outb(dp8390+Isr, Rdc);
1993/1117    
	cr = dp8390inb(port+Cr) & ~Txp; 
	dp8390outb(port+Cr, Page0|RDMAabort|Sta); 
	dp8390outb(port+Isr, Rdc);
1992/1222    
 
	/* 
	 * Set up the remote DMA address and count. 
	 */
1993/1116    
	if(ether->bit16)
1993/1117    
	if(dp8390->bit16)
1992/1222    
		len = ROUNDUP(len, 2);
1993/0915    
	dp8390outb(dp8390+Rbcr0, len & 0xFF); 
	dp8390outb(dp8390+Rbcr1, (len>>8) & 0xFF); 
	dp8390outb(dp8390+Rsar0, from & 0xFF); 
	dp8390outb(dp8390+Rsar1, (from>>8) & 0xFF);
1993/1117    
	dp8390outb(port+Rbcr0, len & 0xFF); 
	dp8390outb(port+Rbcr1, (len>>8) & 0xFF); 
	dp8390outb(port+Rsar0, from & 0xFF); 
	dp8390outb(port+Rsar1, (from>>8) & 0xFF);
1992/1222    
 
	/* 
	 * Start the remote DMA read and suck the data 
	 * out of the I/O port. 
	 */
1993/0915    
	dp8390outb(dp8390+Cr, Page0|RDMAread|Sta);
1993/1116    
	if(ether->bit16) 
		inss(ether->data, to, len/2);
1993/1117    
	dp8390outb(port+Cr, Page0|RDMAread|Sta); 
	if(dp8390->bit16) 
		inss(dp8390->data, to, len/2);
1992/1222    
	else
1993/1116    
		insb(ether->data, to, len);
1993/1117    
		insb(dp8390->data, to, len);
1992/1222    
 
	/* 
	 * Wait for the remote DMA to complete. The timeout
1993/1116/sys/src/9/pc/ether8390.c:273,283 – 1993/1117/sys/src/9/pc/ether8390.c:273,283
1992/1222    
	 * to the miracles of the bus, we could get this far 
	 * and still be talking to a slot full of nothing. 
	 */
1993/0915    
	for(timo = 10000; (dp8390inb(dp8390+Isr) & Rdc) == 0 && timo; timo--)
1993/1117    
	for(timo = 10000; (dp8390inb(port+Isr) & Rdc) == 0 && timo; timo--)
1992/1222    
			;
1993/0915    
	dp8390outb(dp8390+Isr, Rdc); 
	dp8390outb(dp8390+Cr, cr);
1993/1117    
	dp8390outb(port+Isr, Rdc); 
	dp8390outb(port+Cr, cr);
1992/1222    
	return to; 
}
1993/1116/sys/src/9/pc/ether8390.c:287,293 – 1993/1117/sys/src/9/pc/ether8390.c:287,293
1993/0915    
	ulong dp8390, crda;
1992/1222    
	uchar cr;
1993/1116    
	dp8390 = ether->dp8390;
1993/1117    
	dp8390 = ((Dp8390*)ether->private)->dp8390;
1992/1222    
	/*
1993/0212    
	 * Write some data to offset 'to' in the card's memory
1992/1222    
	 * using the DP8390 remote DMA facility, reading it at
1993/1116/sys/src/9/pc/ether8390.c:373,379 – 1993/1117/sys/src/9/pc/ether8390.c:373,379
1993/1116    
	ushort type; 
	Netfile *f, **fp, **ep;
1992/1222    
1993/1116    
	dp8390 = ether->dp8390;
1993/1117    
	dp8390 = ((Dp8390*)ether->private)->dp8390;
1993/1116    
	for(curr = getcurr(dp8390); ether->nxtpkt != curr; curr = getcurr(dp8390)){ 
		ether->inpackets++;
1992/1222    
1993/1116/sys/src/9/pc/ether8390.c:461,467 – 1993/1117/sys/src/9/pc/ether8390.c:461,467
1993/0915    
	ulong dp8390;
1992/1222    
	RingBuf *ring;
1993/0212    
1993/1116    
	dp8390 = ether->dp8390;
1993/1117    
	dp8390 = ((Dp8390*)ether->private)->dp8390;
1993/1116    
	ring = ðer->tb[ether->ti]; 
	if(ether->tbusy == 0 && ring->owner == Interface){
1993/0213    
1993/1116/sys/src/9/pc/ether8390.c:482,488 – 1993/1117/sys/src/9/pc/ether8390.c:482,488
1993/0212    
	uchar txp; 
	int resend;
1993/1116    
	dp8390 = ether->dp8390;
1993/1117    
	dp8390 = ((Dp8390*)ether->private)->dp8390;
1993/0212    
	/* 
	 * The following procedure is taken from the DP8390[12D] datasheet, 
	 * it seems pretty adamant that this is what has to be done.
1993/1116/sys/src/9/pc/ether8390.c:514,520 – 1993/1117/sys/src/9/pc/ether8390.c:514,520
1993/0915    
	ulong dp8390;
1993/0212    
	uchar isr, r;
1992/1222    
1993/1116    
	dp8390 = ether->dp8390;
1993/1117    
	dp8390 = ((Dp8390*)ether->private)->dp8390;
1992/1222    
	/* 
	 * While there is something of interest, 
	 * clear all the interrupts and process.
1993/1116/sys/src/9/pc/ether8390.c:570,575 – 1993/1117/sys/src/9/pc/ether8390.c:570,578
1993/1116    
static void 
promiscuous(Ether *ether, int on) 
{
1993/1117    
	ulong dp8390; 
 
	dp8390 = ((Dp8390*)ether->private)->dp8390;
1993/1116    
	/* 
	 * Set/reset promiscuous mode. 
	 */
1993/1116/sys/src/9/pc/ether8390.c:582,587 – 1993/1117/sys/src/9/pc/ether8390.c:585,593
1993/1116    
void 
dp8390attach(Ether *ether) 
{
1993/1117    
	ulong dp8390; 
 
	dp8390 = ((Dp8390*)ether->private)->dp8390;
1993/1116    
	/* 
	 * Enable the chip for transmit/receive. 
	 * The init routine leaves the chip in monitor
1993/1116/sys/src/9/pc/ether8390.c:597,603 – 1993/1117/sys/src/9/pc/ether8390.c:603,609
1993/1116    
{ 
	ulong dp8390; 
 
	dp8390 = ether->dp8390;
1993/1117    
	dp8390 = ((Dp8390*)ether->private)->dp8390;
1993/1116    
	/* 
	 * This is the initialisation procedure described 
	 * as 'mandatory' in the datasheet, with references


source code copyright © 1990-2005 Lucent Technologies; see license
Plan 9 distribution
comments to russ cox (rsc@swtch.com)