56 static int aic7770_chip_init(struct ahc_softc *ahc);
57 static int aha2840_load_seeprom(struct ahc_softc *ahc);
119 aic7770_config(struct ahc_softc *ahc, struct aic7770_identity *entry, u_int io)  in aic7770_config()  argument
127 	error = entry->setup(ahc);  in aic7770_config()
132 	error = aic7770_map_registers(ahc, io);  in aic7770_config()
142 	ahc_intr_enable(ahc, FALSE);  in aic7770_config()
144 	ahc->description = entry->name;  in aic7770_config()
145 	error = ahc_softc_init(ahc);  in aic7770_config()
149 	ahc->bus_chip_init = aic7770_chip_init;  in aic7770_config()
151 	error = ahc_reset(ahc, /*reinit*/FALSE);  in aic7770_config()
156 	intdef = ahc_inb(ahc, INTDEF);  in aic7770_config()
172 		ahc->flags |= AHC_EDGE_INTERRUPT;  in aic7770_config()
174 	switch (ahc->chip & (AHC_EISA|AHC_VL)) {  in aic7770_config()
181 		biosctrl = ahc_inb(ahc, HA_274_BIOSCTRL);  in aic7770_config()
182 		scsiconf = ahc_inb(ahc, SCSICONF);  in aic7770_config()
183 		scsiconf1 = ahc_inb(ahc, SCSICONF + 1);  in aic7770_config()
187 			ahc->flags |= 1;  in aic7770_config()
190 			ahc->flags |= AHC_USEDEFAULTS;  in aic7770_config()
192 			if ((ahc->features & AHC_WIDE) != 0) {  in aic7770_config()
193 				ahc->our_id = scsiconf1 & HWSCSIID;  in aic7770_config()
195 					ahc->flags |= AHC_TERM_ENB_A;  in aic7770_config()
197 				ahc->our_id = scsiconf & HSCSIID;  in aic7770_config()
198 				ahc->our_id_b = scsiconf1 & HSCSIID;  in aic7770_config()
200 					ahc->flags |= AHC_TERM_ENB_A;  in aic7770_config()
202 					ahc->flags |= AHC_TERM_ENB_B;  in aic7770_config()
205 		if ((ahc_inb(ahc, HA_274_BIOSGLOBAL) & HA_274_EXTENDED_TRANS))  in aic7770_config()
206 			ahc->flags |= AHC_EXTENDED_TRANS_A|AHC_EXTENDED_TRANS_B;  in aic7770_config()
211 		have_seeprom = aha2840_load_seeprom(ahc);  in aic7770_config()
218 		kfree(ahc->seep_config);  in aic7770_config()
219 		ahc->seep_config = NULL;  in aic7770_config()
225 	ahc_outb(ahc, SBLKCTL, ahc_inb(ahc, SBLKCTL) & ~AUTOFLUSHDIS);  in aic7770_config()
228 	hostconf = ahc_inb(ahc, HOSTCONF);  in aic7770_config()
229 	ahc_outb(ahc, BUSSPD, hostconf & DFTHRSH);  in aic7770_config()
230 	ahc_outb(ahc, BUSTIME, (hostconf << 2) & BOFF);  in aic7770_config()
232 	ahc->bus_softc.aic7770_softc.busspd = hostconf & DFTHRSH;  in aic7770_config()
233 	ahc->bus_softc.aic7770_softc.bustime = (hostconf << 2) & BOFF;  in aic7770_config()
238 	error = ahc_init(ahc);  in aic7770_config()
242 	error = aic7770_map_int(ahc, irq);  in aic7770_config()
246 	ahc->init_level++;  in aic7770_config()
251 	ahc_outb(ahc, BCTL, ENABLE);  in aic7770_config()
256 aic7770_chip_init(struct ahc_softc *ahc)  in aic7770_chip_init()  argument
258 	ahc_outb(ahc, BUSSPD, ahc->bus_softc.aic7770_softc.busspd);  in aic7770_chip_init()
259 	ahc_outb(ahc, BUSTIME, ahc->bus_softc.aic7770_softc.bustime);  in aic7770_chip_init()
260 	ahc_outb(ahc, SBLKCTL, ahc_inb(ahc, SBLKCTL) & ~AUTOFLUSHDIS);  in aic7770_chip_init()
261 	ahc_outb(ahc, BCTL, ENABLE);  in aic7770_chip_init()
262 	return (ahc_chip_init(ahc));  in aic7770_chip_init()
269 aha2840_load_seeprom(struct ahc_softc *ahc)  in aha2840_load_seeprom()  argument
276 	sd.sd_ahc = ahc;  in aha2840_load_seeprom()
287 	sc = ahc->seep_config;  in aha2840_load_seeprom()
290 		printk("%s: Reading SEEPROM...", ahc_name(ahc));  in aha2840_load_seeprom()
307 			printk("%s: No SEEPROM available\n", ahc_name(ahc));  in aha2840_load_seeprom()
308 		ahc->flags |= AHC_USEDEFAULTS;  in aha2840_load_seeprom()
318 		max_targ = (ahc->features & AHC_WIDE) != 0 ? 16 : 8;  in aha2840_load_seeprom()
330 			ahc_outb(ahc, TARG_SCSIRATE + i, target_settings);  in aha2840_load_seeprom()
332 		ahc_outb(ahc, DISC_DSB, ~(discenable & 0xff));  in aha2840_load_seeprom()
333 		ahc_outb(ahc, DISC_DSB + 1, ~((discenable >> 8) & 0xff));  in aha2840_load_seeprom()
335 		ahc->our_id = sc->brtime_id & CFSCSIID;  in aha2840_load_seeprom()
337 		scsi_conf = (ahc->our_id & 0x7);  in aha2840_load_seeprom()
344 			ahc->flags |= AHC_EXTENDED_TRANS_A;  in aha2840_load_seeprom()
346 		ahc_outb(ahc, SCSICONF, scsi_conf);  in aha2840_load_seeprom()
349 			ahc->flags |= AHC_TERM_ENB_A;  in aha2840_load_seeprom()
355 ahc_aic7770_VL_setup(struct ahc_softc *ahc)  in ahc_aic7770_VL_setup()  argument
359 	error = ahc_aic7770_setup(ahc);  in ahc_aic7770_VL_setup()
360 	ahc->chip |= AHC_VL;  in ahc_aic7770_VL_setup()
365 ahc_aic7770_EISA_setup(struct ahc_softc *ahc)  in ahc_aic7770_EISA_setup()  argument
369 	error = ahc_aic7770_setup(ahc);  in ahc_aic7770_EISA_setup()
370 	ahc->chip |= AHC_EISA;  in ahc_aic7770_EISA_setup()
375 ahc_aic7770_setup(struct ahc_softc *ahc)  in ahc_aic7770_setup()  argument
377 	ahc->channel = 'A';  in ahc_aic7770_setup()
378 	ahc->channel_b = 'B';  in ahc_aic7770_setup()
379 	ahc->chip = AHC_AIC7770;  in ahc_aic7770_setup()
380 	ahc->features = AHC_AIC7770_FE;  in ahc_aic7770_setup()
381 	ahc->bugs |= AHC_TMODE_WIDEODD_BUG;  in ahc_aic7770_setup()
382 	ahc->flags |= AHC_PAGESCBS;  in ahc_aic7770_setup()
383 	ahc->instruction_ram_size = 448;  in ahc_aic7770_setup()