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1da177e4 LT |
1 | /* |
2 | * parport.h: platform-specific PC-style parport initialisation | |
3 | * | |
4 | * Copyright (C) 1999, 2000 Tim Waugh <tim@cyberelk.demon.co.uk> | |
5 | * | |
6 | * This file should only be included by drivers/parport/parport_pc.c. | |
7 | */ | |
8 | ||
2765ca25 DG |
9 | #ifndef _ASM_POWERPC_PARPORT_H |
10 | #define _ASM_POWERPC_PARPORT_H | |
88ced031 | 11 | #ifdef __KERNEL__ |
1da177e4 | 12 | |
193cac99 MN |
13 | #include <asm/prom.h> |
14 | ||
15 | extern struct parport *parport_pc_probe_port (unsigned long int base, | |
16 | unsigned long int base_hi, | |
17 | int irq, int dma, | |
18 | struct pci_dev *dev); | |
19 | ||
1da177e4 LT |
20 | static int __devinit parport_pc_find_nonpci_ports (int autoirq, int autodma) |
21 | { | |
193cac99 MN |
22 | struct device_node *np; |
23 | u32 *prop; | |
24 | u32 io1, io2; | |
25 | int propsize; | |
26 | int count = 0; | |
27 | for (np = NULL; (np = of_find_compatible_node(np, | |
28 | "parallel", | |
29 | "pnpPNP,400")) != NULL;) { | |
30 | prop = (u32 *)get_property(np, "reg", &propsize); | |
31 | if (!prop || propsize > 6*sizeof(u32)) | |
32 | continue; | |
33 | io1 = prop[1]; io2 = prop[2]; | |
34 | prop = (u32 *)get_property(np, "interrupts", NULL); | |
35 | if (!prop) | |
36 | continue; | |
37 | if (parport_pc_probe_port(io1, io2, prop[0], autodma, NULL) != NULL) | |
38 | count++; | |
39 | } | |
40 | return count; | |
1da177e4 LT |
41 | } |
42 | ||
88ced031 | 43 | #endif /* __KERNEL__ */ |
2765ca25 | 44 | #endif /* !(_ASM_POWERPC_PARPORT_H) */ |