1 // SPDX-License-Identifier: GPL-2.0-only
46    the board doesn't correctly handle word accesses - only
92 static unsigned int irq;	/* interrupt number IRQ       */
100 static unsigned int numboards;	/* number of installed boards */
103 static unsigned int WriteErrorCount;	/* number of write error      */
104 static unsigned int ReadErrorCount;	/* number of read error       */
105 static unsigned int DeviceErrorCount;	/* number of device error     */
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()
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()
308 			int serial;  in applicom_init()  local
309 			char boardname[(SERIAL_NUMBER - TYPE_CARD) + 1];  in applicom_init()
314 			for (serial = 0; serial < SERIAL_NUMBER - TYPE_CARD; serial++)  in applicom_init()
315 				boardname[serial] = readb(apbs[i].RamIO + TYPE_CARD + serial);  in applicom_init()
317 			boardname[serial] = 0;  in applicom_init()
325 			serial = (readb(apbs[i].RamIO + SERIAL_NUMBER) << 16) +   in applicom_init()
329 			if (serial != 0)  in applicom_init()
330 				printk(" S/N %d\n", 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()
385 	NumCard = st_loc.num_card;	/* board number to send          */  in ac_write()
386 	TicCard = st_loc.tic_des_from_pc;	/* tic number to send            */  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()
791 		printk(KERN_INFO "Number of installed boards . %d\n", (int) numboards);  in ac_ioctl()
793 		printk(KERN_INFO "Interrupt IRQ number ....... %d\n", (int) irq);  in ac_ioctl()
795 			int serial;  in ac_ioctl()  local
796 			char boardname[(SERIAL_NUMBER - TYPE_CARD) + 1];  in ac_ioctl()
801 			for (serial = 0; serial < SERIAL_NUMBER - TYPE_CARD; serial++)  in ac_ioctl()
802 				boardname[serial] = readb(apbs[i].RamIO + TYPE_CARD + serial);  in ac_ioctl()
803 			boardname[serial] = 0;  in ac_ioctl()
812 			serial = (readb(apbs[i].RamIO + SERIAL_NUMBER) << 16) +   in ac_ioctl()
816 			if (serial != 0)  in ac_ioctl()
817 				printk(" S/N %d\n", serial);  in ac_ioctl()
835 		ret = -ENOTTY;  in ac_ioctl()
845 		pr_warn("APPLICOM driver IOCTL, bad board number %d\n",  in ac_ioctl()
847 		warncount--;  in ac_ioctl()
851 	return -EINVAL;  in ac_ioctl()