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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 | /* * linux/include/asm-m68k/ide.h * * Copyright (C) 1994-1996 Linus Torvalds & authors */ /* Copyright(c) 1996 Kars de Jong */ /* Based on the ide driver from 1.2.13pl8 */ /* * Credits (alphabetical): * * - Bjoern Brauel * - Kars de Jong * - Torsten Ebeling * - Dwight Engen * - Thorsten Floeck * - Roman Hodek * - Guenther Kelleter * - Chris Lawrence * - Michael Rausch * - Christian Sauer * - Michael Schmitz * - Jes Soerensen * - Michael Thurm * - Geert Uytterhoeven */ #ifndef _M68K_IDE_H #define _M68K_IDE_H #ifdef __KERNEL__ #include <linux/config.h> #include <asm/setup.h> #include <asm/io.h> #include <asm/irq.h> #ifdef CONFIG_ATARI #include <linux/interrupt.h> #include <asm/atari_stdma.h> #endif #ifdef CONFIG_MAC #include <asm/macints.h> #endif #ifndef MAX_HWIFS #define MAX_HWIFS 4 /* same as the other archs */ #endif /* * Get rid of defs from io.h - ide has its private and conflicting versions * Since so far no single m68k platform uses ISA/PCI I/O space for IDE, we * always use the `raw' MMIO versions */ #undef inb #undef inw #undef insw #undef inl #undef insl #undef outb #undef outw #undef outsw #undef outl #undef outsl #undef readb #undef readw #undef readl #undef writeb #undef writew #undef writel #define inb in_8 #define inw in_be16 #define insw(port, addr, n) raw_insw((u16 *)port, addr, n) #define inl in_be32 #define insl(port, addr, n) raw_insl((u32 *)port, addr, n) #define outb(val, port) out_8(port, val) #define outw(val, port) out_be16(port, val) #define outsw(port, addr, n) raw_outsw((u16 *)port, addr, n) #define outl(val, port) out_be32(port, val) #define outsl(port, addr, n) raw_outsl((u32 *)port, addr, n) #define readb in_8 #define readw in_be16 #define __ide_mm_insw(port, addr, n) raw_insw((u16 *)port, addr, n) #define readl in_be32 #define __ide_mm_insl(port, addr, n) raw_insl((u32 *)port, addr, n) #define writeb(val, port) out_8(port, val) #define writew(val, port) out_be16(port, val) #define __ide_mm_outsw(port, addr, n) raw_outsw((u16 *)port, addr, n) #define writel(val, port) out_be32(port, val) #define __ide_mm_outsl(port, addr, n) raw_outsl((u32 *)port, addr, n) #if defined(CONFIG_ATARI) || defined(CONFIG_Q40) #define insw_swapw(port, addr, n) raw_insw_swapw((u16 *)port, addr, n) #define outsw_swapw(port, addr, n) raw_outsw_swapw((u16 *)port, addr, n) #endif /* Q40 and Atari have byteswapped IDE busses and since many interesting * values in the identification string are text, chars and words they * happened to be almost correct without swapping.. However *_capacity * is needed for drives over 8 GB. RZ */ #if defined(CONFIG_Q40) || defined(CONFIG_ATARI) #define M68K_IDE_SWAPW (MACH_IS_Q40 || MACH_IS_ATARI) #endif #ifdef CONFIG_BLK_DEV_FALCON_IDE #define IDE_ARCH_LOCK extern int falconide_intr_lock; static __inline__ void ide_release_lock (void) { if (MACH_IS_ATARI) { if (falconide_intr_lock == 0) { printk("ide_release_lock: bug\n"); return; } falconide_intr_lock = 0; stdma_release(); } } static __inline__ void ide_get_lock(irqreturn_t (*handler)(int, void *, struct pt_regs *), void *data) { if (MACH_IS_ATARI) { if (falconide_intr_lock == 0) { if (in_interrupt() > 0) panic( "Falcon IDE hasn't ST-DMA lock in interrupt" ); stdma_lock(handler, data); falconide_intr_lock = 1; } } } #endif /* CONFIG_BLK_DEV_FALCON_IDE */ #define IDE_ARCH_ACK_INTR #define ide_ack_intr(hwif) ((hwif)->hw.ack_intr ? (hwif)->hw.ack_intr(hwif) : 1) #endif /* __KERNEL__ */ #endif /* _M68K_IDE_H */ |