diff options
Diffstat (limited to 'include/asm-arm26/floppy.h')
-rw-r--r-- | include/asm-arm26/floppy.h | 141 |
1 files changed, 0 insertions, 141 deletions
diff --git a/include/asm-arm26/floppy.h b/include/asm-arm26/floppy.h deleted file mode 100644 index efb732165a4f..000000000000 --- a/include/asm-arm26/floppy.h +++ /dev/null | |||
@@ -1,141 +0,0 @@ | |||
1 | /* | ||
2 | * linux/include/asm-arm/floppy.h | ||
3 | * | ||
4 | * Copyright (C) 1996-2000 Russell King | ||
5 | * | ||
6 | * This program is free software; you can redistribute it and/or modify | ||
7 | * it under the terms of the GNU General Public License version 2 as | ||
8 | * published by the Free Software Foundation. | ||
9 | * | ||
10 | * Note that we don't touch FLOPPY_DMA nor FLOPPY_IRQ here | ||
11 | */ | ||
12 | #ifndef __ASM_ARM_FLOPPY_H | ||
13 | #define __ASM_ARM_FLOPPY_H | ||
14 | |||
15 | #define fd_outb(val,port) \ | ||
16 | do { \ | ||
17 | if ((port) == FD_DOR) \ | ||
18 | fd_setdor((val)); \ | ||
19 | else \ | ||
20 | outb((val),(port)); \ | ||
21 | } while(0) | ||
22 | |||
23 | #define fd_inb(port) inb((port)) | ||
24 | #define fd_request_irq() request_irq(IRQ_FLOPPYDISK,floppy_interrupt,\ | ||
25 | IRQF_DISABLED,"floppy",NULL) | ||
26 | #define fd_free_irq() free_irq(IRQ_FLOPPYDISK,NULL) | ||
27 | #define fd_disable_irq() disable_irq(IRQ_FLOPPYDISK) | ||
28 | #define fd_enable_irq() enable_irq(IRQ_FLOPPYDISK) | ||
29 | |||
30 | #define fd_request_dma() request_dma(DMA_FLOPPY,"floppy") | ||
31 | #define fd_free_dma() free_dma(DMA_FLOPPY) | ||
32 | #define fd_disable_dma() disable_dma(DMA_FLOPPY) | ||
33 | #define fd_enable_dma() enable_dma(DMA_FLOPPY) | ||
34 | #define fd_clear_dma_ff() clear_dma_ff(DMA_FLOPPY) | ||
35 | #define fd_set_dma_mode(mode) set_dma_mode(DMA_FLOPPY, (mode)) | ||
36 | #define fd_set_dma_addr(addr) set_dma_addr(DMA_FLOPPY, virt_to_bus((addr))) | ||
37 | #define fd_set_dma_count(len) set_dma_count(DMA_FLOPPY, (len)) | ||
38 | #define fd_cacheflush(addr,sz) | ||
39 | |||
40 | /* need to clean up dma.h */ | ||
41 | #define DMA_FLOPPYDISK DMA_FLOPPY | ||
42 | |||
43 | /* Floppy_selects is the list of DOR's to select drive fd | ||
44 | * | ||
45 | * On initialisation, the floppy list is scanned, and the drives allocated | ||
46 | * in the order that they are found. This is done by seeking the drive | ||
47 | * to a non-zero track, and then restoring it to track 0. If an error occurs, | ||
48 | * then there is no floppy drive present. [to be put back in again] | ||
49 | */ | ||
50 | static unsigned char floppy_selects[2][4] = | ||
51 | { | ||
52 | { 0x10, 0x21, 0x23, 0x33 }, | ||
53 | { 0x10, 0x21, 0x23, 0x33 } | ||
54 | }; | ||
55 | |||
56 | #define fd_setdor(dor) \ | ||
57 | do { \ | ||
58 | int new_dor = (dor); \ | ||
59 | if (new_dor & 0xf0) \ | ||
60 | new_dor = (new_dor & 0x0c) | floppy_selects[fdc][new_dor & 3]; \ | ||
61 | else \ | ||
62 | new_dor &= 0x0c; \ | ||
63 | outb(new_dor, FD_DOR); \ | ||
64 | } while (0) | ||
65 | |||
66 | /* | ||
67 | * Someday, we'll automatically detect which drives are present... | ||
68 | */ | ||
69 | static inline void fd_scandrives (void) | ||
70 | { | ||
71 | #if 0 | ||
72 | int floppy, drive_count; | ||
73 | |||
74 | fd_disable_irq(); | ||
75 | raw_cmd = &default_raw_cmd; | ||
76 | raw_cmd->flags = FD_RAW_SPIN | FD_RAW_NEED_SEEK; | ||
77 | raw_cmd->track = 0; | ||
78 | raw_cmd->rate = ?; | ||
79 | drive_count = 0; | ||
80 | for (floppy = 0; floppy < 4; floppy ++) { | ||
81 | current_drive = drive_count; | ||
82 | /* | ||
83 | * Turn on floppy motor | ||
84 | */ | ||
85 | if (start_motor(redo_fd_request)) | ||
86 | continue; | ||
87 | /* | ||
88 | * Set up FDC | ||
89 | */ | ||
90 | fdc_specify(); | ||
91 | /* | ||
92 | * Tell FDC to recalibrate | ||
93 | */ | ||
94 | output_byte(FD_RECALIBRATE); | ||
95 | LAST_OUT(UNIT(floppy)); | ||
96 | /* wait for command to complete */ | ||
97 | if (!successful) { | ||
98 | int i; | ||
99 | for (i = drive_count; i < 3; i--) | ||
100 | floppy_selects[fdc][i] = floppy_selects[fdc][i + 1]; | ||
101 | floppy_selects[fdc][3] = 0; | ||
102 | floppy -= 1; | ||
103 | } else | ||
104 | drive_count++; | ||
105 | } | ||
106 | #else | ||
107 | floppy_selects[0][0] = 0x10; | ||
108 | floppy_selects[0][1] = 0x21; | ||
109 | floppy_selects[0][2] = 0x23; | ||
110 | floppy_selects[0][3] = 0x33; | ||
111 | #endif | ||
112 | } | ||
113 | |||
114 | #define FDC1 (0x3f0) | ||
115 | |||
116 | #define FLOPPY0_TYPE 4 | ||
117 | #define FLOPPY1_TYPE 4 | ||
118 | |||
119 | #define N_FDC 1 | ||
120 | #define N_DRIVE 4 | ||
121 | |||
122 | #define FLOPPY_MOTOR_MASK 0xf0 | ||
123 | |||
124 | #define CROSS_64KB(a,s) (0) | ||
125 | |||
126 | /* | ||
127 | * This allows people to reverse the order of | ||
128 | * fd0 and fd1, in case their hardware is | ||
129 | * strangely connected (as some RiscPCs | ||
130 | * and A5000s seem to be). | ||
131 | */ | ||
132 | static void driveswap(int *ints, int dummy, int dummy2) | ||
133 | { | ||
134 | floppy_selects[0][0] ^= floppy_selects[0][1]; | ||
135 | floppy_selects[0][1] ^= floppy_selects[0][0]; | ||
136 | floppy_selects[0][0] ^= floppy_selects[0][1]; | ||
137 | } | ||
138 | |||
139 | #define EXTRA_FLOPPY_PARAMS ,{ "driveswap", &driveswap, NULL, 0, 0 } | ||
140 | |||
141 | #endif | ||