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