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