1 // SPDX-License-Identifier: GPL-2.0-only
8 /* J PAGET 18/02/94 passage V2.4.2 ioctl avec code 2 reset to les interrupt  */
16 /* au nombre de cartes presentes sur le bus. IOCL code 6 affichait V2.4.3    */
20 /* de code autre que le texte V2.6.1 en V2.8.0                               */
46    the board doesn't correctly handle word accesses - only
127 static int ac_register_board(unsigned long physloc, void __iomem *loc,   in ac_register_board()  argument
132 	if((readb(loc + CONF_END_TEST)     != 0x00) ||  in ac_register_board()
133 	   (readb(loc + CONF_END_TEST + 1) != 0x55) ||  in ac_register_board()
134 	   (readb(loc + CONF_END_TEST + 2) != 0xAA) ||  in ac_register_board()
135 	   (readb(loc + CONF_END_TEST + 3) != 0xFF))  in ac_register_board()
139 		boardno = readb(loc + NUMCARD_OWNER_TO_PC);  in ac_register_board()
147 	if (apbs[boardno - 1].RamIO) {  in ac_register_board()
149 		       boardno, physloc, boardno, apbs[boardno-1].PhysIO);  in ac_register_board()
153 	boardno--;  in ac_register_board()
156 	apbs[boardno].RamIO = loc;  in ac_register_board()
159 	byte_reset_it = readb(loc + RAM_IT_TO_PC);  in ac_register_board()
192 	/* No mem and irq given - check for a PCI card */  in applicom_init()
201 			return -EIO;  in applicom_init()
212 			return -EIO;  in applicom_init()
216 		       applicom_pci_devnames[dev->device-1],  in applicom_init()
218 		       dev->irq);  in applicom_init()
229 		if (request_irq(dev->irq, &ac_interrupt, IRQF_SHARED, "Applicom PCI", &dummy)) {  in applicom_init()
230 			printk(KERN_INFO "Could not allocate IRQ %d for PCI Applicom device.\n", dev->irq);  in applicom_init()
233 			apbs[boardno - 1].RamIO = NULL;  in applicom_init()
239 		writeb(0x40, apbs[boardno - 1].RamIO + RAM_IT_FROM_PC);  in applicom_init()
241 		apbs[boardno - 1].irq = dev->irq;  in applicom_init()
253 			return -ENXIO;  in applicom_init()
279 				apbs[boardno - 1].RamIO = NULL;  in applicom_init()
282 				apbs[boardno - 1].irq = irq;  in applicom_init()
285 			apbs[boardno - 1].irq = 0;  in applicom_init()
309 			char boardname[(SERIAL_NUMBER - TYPE_CARD) + 1];  in applicom_init()
314 			for (serial = 0; serial < SERIAL_NUMBER - TYPE_CARD; serial++)  in applicom_init()
338 		return -ENXIO;  in applicom_init()
357 	unsigned int NumCard;	/* Board number 1 -> 8           */  in ac_write()
358 	unsigned int IndexCard;	/* Index board number 0 -> 7     */  in ac_write()
373 			warncount--;  in ac_write()
375 		return -EINVAL;  in ac_write()
379 		return -EFAULT;  in ac_write()
383 		return -EFAULT;  in ac_write()
387 	IndexCard = NumCard - 1;  in ac_write()
390 		return -EINVAL;  in ac_write()
394 		return -EINVAL;  in ac_write()
431 		return -EIO;  in ac_write()
448 			return -EINTR;  in ac_write()
460 	/* Which is best - lock down the pages with rawio and then  in ac_write()
492 	st_loc->tic_owner_to_pc = readb(apbs[IndexCard].RamIO + TIC_OWNER_TO_PC);  in do_ac_read()
493 	st_loc->numcard_owner_to_pc = readb(apbs[IndexCard].RamIO + NUMCARD_OWNER_TO_PC);  in do_ac_read()
551 		return -EINVAL;  in ac_read()
579 					return -EFAULT;  in ac_read()
581 					return -EFAULT;  in ac_read()
596 				return -EIO;  in ac_read()
605 		/* OK - No boards had data for us. Sleep now */  in ac_read()
611 			return -EINTR;  in ac_read()
682 				i--;  in ac_interrupt()
717 	IndexCard = adgl->num_card-1;  in ac_ioctl()
733 			ret = -EFAULT;  in ac_ioctl()
738 			adgl->conf_end_test[i] = readb(pmem++);  in ac_ioctl()
740 			adgl->error_code[i] = readb(pmem++);  in ac_ioctl()
742 			adgl->parameter_error[i] = readb(pmem++);  in ac_ioctl()
744 		adgl->vers = readb(pmem);  in ac_ioctl()
747 			adgl->reserv1[i] = readb(pmem++);  in ac_ioctl()
748 		*(int *)&adgl->reserv1[20] =    in ac_ioctl()
754 			ret = -EFAULT;  in ac_ioctl()
760 		writeb(adgl->data_from_pc_ready,   in ac_ioctl()
773 		writeb(adgl->tic_des_from_pc, pmem);  in ac_ioctl()
777 		adgl->tic_owner_to_pc     = readb(pmem++);  in ac_ioctl()
778 		adgl->numcard_owner_to_pc = readb(pmem);  in ac_ioctl()
780 			ret = -EFAULT;  in ac_ioctl()
783 		writeb(adgl->num_card, apbs[IndexCard].RamIO + NUMCARD_OWNER_TO_PC);  in ac_ioctl()
784 		writeb(adgl->num_card, apbs[IndexCard].RamIO + NUMCARD_DES_FROM_PC);  in ac_ioctl()
785 		writeb(adgl->num_card, apbs[IndexCard].RamIO + NUMCARD_ACK_FROM_PC);  in ac_ioctl()
796 			char boardname[(SERIAL_NUMBER - TYPE_CARD) + 1];  in ac_ioctl()
801 			for (serial = 0; serial < SERIAL_NUMBER - TYPE_CARD; serial++)  in ac_ioctl()
835 		ret = -ENOTTY;  in ac_ioctl()
847 		warncount--;  in ac_ioctl()
851 	return -EINVAL;  in ac_ioctl()