drivers/scsi/ppa.c

192 	unsigned short ppb = dev->base;
197 	for (r = r_str(ppb); ((r & 0xc0) != 0xc0) && (k); k--) {
199 		r = r_str(ppb);
221 static inline void epp_reset(unsigned short ppb)
225 	i = r_str(ppb);
226 	w_str(ppb, i);
227 	w_str(ppb, i & 0xfe);
290 	unsigned short ppb = dev->base;
302 		r = ppa_byte_out(ppb, buffer, len);
308 		epp_reset(ppb);
309 		w_ctr(ppb, 0x4);
311 			outsl(ppb + 4, buffer, len >> 2);
313 			outsw(ppb + 4, buffer, len >> 1);
315 			outsb(ppb + 4, buffer, len);
316 		w_ctr(ppb, 0xc);
317 		r = !(r_str(ppb) & 0x01);
318 		w_ctr(ppb, 0xc);
332 	unsigned short ppb = dev->base;
343 		r = ppa_nibble_in(ppb, buffer, len);
344 		w_ctr(ppb, 0xc);
349 		w_ctr(ppb, 0x25);
350 		r = ppa_byte_in(ppb, buffer, len);
351 		w_ctr(ppb, 0x4);
352 		w_ctr(ppb, 0xc);
358 		epp_reset(ppb);
359 		w_ctr(ppb, 0x24);
361 			insl(ppb + 4, buffer, len >> 2);
363 			insw(ppb + 4, buffer, len >> 1);
365 			insb(ppb + 4, buffer, len);
366 		w_ctr(ppb, 0x2c);
367 		r = !(r_str(ppb) & 0x01);
368 		w_ctr(ppb, 0x2c);
381 static inline void ppa_d_pulse(unsigned short ppb, unsigned char b)
383 	w_dtr(ppb, b);
384 	w_ctr(ppb, 0xc);
385 	w_ctr(ppb, 0xe);
386 	w_ctr(ppb, 0xc);
387 	w_ctr(ppb, 0x4);
388 	w_ctr(ppb, 0xc);
393 	unsigned short ppb = dev->base;
395 	ppa_d_pulse(ppb, 0);
396 	ppa_d_pulse(ppb, 0x3c);
397 	ppa_d_pulse(ppb, 0x20);
398 	ppa_d_pulse(ppb, 0xf);
401 static inline void ppa_c_pulse(unsigned short ppb, unsigned char b)
403 	w_dtr(ppb, b);
404 	w_ctr(ppb, 0x4);
405 	w_ctr(ppb, 0x6);
406 	w_ctr(ppb, 0x4);
407 	w_ctr(ppb, 0xc);
412 	unsigned short ppb = dev->base;
414 	ppa_c_pulse(ppb, 0);
415 	ppa_c_pulse(ppb, 0x3c);
416 	ppa_c_pulse(ppb, 0x20);
418 		ppa_c_pulse(ppb, 0xcf);
420 		ppa_c_pulse(ppb, 0x8f);
426 	unsigned short ppb = dev->base;
436 	} while ((r_str(ppb) & 0x40) && (k));
440 	w_dtr(ppb, (1 << target));
441 	w_ctr(ppb, 0xe);
442 	w_ctr(ppb, 0xc);
443 	w_dtr(ppb, 0x80);	/* This is NOT the initator */
444 	w_ctr(ppb, 0x8);
451 	while (!(r_str(ppb) & 0x40) && (k));
470 	unsigned short ppb = dev->base;
498 	w_ctr(ppb, 0xe);
499 	if ((r_str(ppb) & 0x08) == 0x08)
502 	w_ctr(ppb, 0xc);
503 	if ((r_str(ppb) & 0x08) == 0x00)
507 		ppa_reset_pulse(ppb);
548 	unsigned short ppb = dev->base;
562 	r = (r_str(ppb) & 0xf0);
592 			for (; k && ((r = (r_str(ppb) & 0xf0)) & 0xc0) != 0xc0;
628 		r = (r_str(ppb) & 0xf0);
702 	unsigned short ppb = dev->base;
729 			w_ctr(ppb, 0xe);
730 			if ((r_str(ppb) & 0x08) == 0x08)
733 			w_ctr(ppb, 0xc);
734 			if ((r_str(ppb) & 0x08) == 0x00)
760 		w_ctr(ppb, 0x0c);
761 		if (!(r_str(ppb) & 0x80))
785 		w_ctr(ppb, 0x0c);
786 		if (!(r_str(ppb) & 0x80))
912 	int loop, old_mode, status, k, ppb = dev->base;
918 		if (autodetect && (ppb & 0x0007) == 0x0000)
933 		w_ctr(ppb, 0x0c);
940 			w_dtr(ppb, 0x40);
941 			w_ctr(ppb, 0x08);
943 			w_ctr(ppb, 0x0c);
953 		w_ctr(ppb, 0x0c);
956 			l = r_str(ppb);
966 			ppa_reset_pulse(ppb);
980 		ppa_reset_pulse(ppb);