net/hamradio/yam.c

100 	int iobase;
149 #define RBR(iobase)	(iobase+0)
150 #define THR(iobase)	(iobase+0)
151 #define IER(iobase)	(iobase+1)
152 #define IIR(iobase)	(iobase+2)
153 #define FCR(iobase)	(iobase+2)
154 #define LCR(iobase)	(iobase+3)
155 #define MCR(iobase)	(iobase+4)
156 #define LSR(iobase)	(iobase+5)
157 #define MSR(iobase)	(iobase+6)
158 #define SCR(iobase)	(iobase+7)
159 #define DLL(iobase)	(iobase+0)
160 #define DLM(iobase)	(iobase+1)
291 static void fpga_reset(int iobase)
293 	outb(0, IER(iobase));
294 	outb(LCR_DLAB | LCR_BIT5, LCR(iobase));
295 	outb(1, DLL(iobase));
296 	outb(0, DLM(iobase));
298 	outb(LCR_BIT5, LCR(iobase));
299 	inb(LSR(iobase));
300 	inb(MSR(iobase));
302 	outb(MCR_OUT1 | MCR_OUT2, MCR(iobase));
305 	outb(MCR_DTR | MCR_RTS | MCR_OUT1 | MCR_OUT2, MCR(iobase));
313 static int fpga_write(int iobase, unsigned char wrd)
321 		outb(bit | MCR_OUT1 | MCR_OUT2, MCR(iobase));
323 		outb(0xfc, THR(iobase));
324 		while ((inb(LSR(iobase)) & LSR_TSRE) == 0)
429 static int fpga_download(int iobase, int bitrate)
438 	fpga_reset(iobase);
440 		if (fpga_write(iobase, pbits[i])) {
446 	fpga_write(iobase, 0xFF);
447 	rc = inb(MSR(iobase));		/* check DONE signal */
494 static enum uart yam_check_uart(unsigned int iobase)
501 	b1 = inb(MCR(iobase));
502 	outb(b1 | 0x10, MCR(iobase));	/* loopback mode */
503 	b2 = inb(MSR(iobase));
504 	outb(0x1a, MCR(iobase));
505 	b3 = inb(MSR(iobase)) & 0xf0;
506 	outb(b1, MCR(iobase));		/* restore old values */
507 	outb(b2, MSR(iobase));
510 	inb(RBR(iobase));
511 	inb(RBR(iobase));
512 	outb(0x01, FCR(iobase));	/* enable FIFOs */
513 	u = uart_tab[(inb(IIR(iobase)) >> 6) & 3];
515 		outb(0x5a, SCR(iobase));
516 		b1 = inb(SCR(iobase));
517 		outb(0xa5, SCR(iobase));
518 		b2 = inb(SCR(iobase));
804 	seq_printf(seq, "  IoBase   0x%x\n", yp->iobase);
841 	printk(KERN_INFO "Trying %s at iobase 0x%lx irq %u\n", dev->name, dev->base_addr, dev->irq);
885 	printk(KERN_INFO "%s at iobase 0x%lx irq %u uart %s\n", dev->name, dev->base_addr, dev->irq,
916 	printk(KERN_INFO "%s: close yam at iobase 0x%lx irq %u\n",
980 			yp->iobase = yi.cfg.iobase;
981 			dev->base_addr = yi.cfg.iobase;
1035 		yi.cfg.iobase = yp->iobase;
1085 	yp->iobase = 0;
1095 	dev->base_addr = yp->iobase;