| /* SPDX-License-Identifier: GPL-2.0 */ |
| /* |
| * parport.h: platform-specific PC-style parport initialisation |
| * |
| * Copyright (C) 1999, 2000 Tim Waugh <tim@cyberelk.demon.co.uk> |
| * |
| * This file should only be included by drivers/parport/parport_pc.c. |
| */ |
| |
| #ifndef _ASM_POWERPC_PARPORT_H |
| #define _ASM_POWERPC_PARPORT_H |
| #ifdef __KERNEL__ |
| |
| #include <linux/of_irq.h> |
| |
| static int parport_pc_find_nonpci_ports (int autoirq, int autodma) |
| { |
| struct device_node *np; |
| const u32 *prop; |
| u32 io1, io2; |
| int propsize; |
| int count = 0; |
| int virq; |
| |
| for_each_compatible_node(np, "parallel", "pnpPNP,400") { |
| prop = of_get_property(np, "reg", &propsize); |
| if (!prop || propsize > 6*sizeof(u32)) |
| continue; |
| io1 = prop[1]; io2 = prop[2]; |
| |
| virq = irq_of_parse_and_map(np, 0); |
| if (!virq) |
| continue; |
| |
| if (parport_pc_probe_port(io1, io2, virq, autodma, NULL, 0) |
| != NULL) |
| count++; |
| } |
| return count; |
| } |
| |
| #endif /* __KERNEL__ */ |
| #endif /* !(_ASM_POWERPC_PARPORT_H) */ |
