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Diffstat (limited to 'include/linux/mca-legacy.h')
-rw-r--r-- | include/linux/mca-legacy.h | 66 |
1 files changed, 0 insertions, 66 deletions
diff --git a/include/linux/mca-legacy.h b/include/linux/mca-legacy.h deleted file mode 100644 index 7a3aea845902..000000000000 --- a/include/linux/mca-legacy.h +++ /dev/null | |||
@@ -1,66 +0,0 @@ | |||
1 | /* -*- mode: c; c-basic-offset: 8 -*- */ | ||
2 | |||
3 | /* This is the function prototypes for the old legacy MCA interface | ||
4 | * | ||
5 | * Please move your driver to the new sysfs based one instead */ | ||
6 | |||
7 | #ifndef _LINUX_MCA_LEGACY_H | ||
8 | #define _LINUX_MCA_LEGACY_H | ||
9 | |||
10 | #include <linux/mca.h> | ||
11 | |||
12 | #warning "MCA legacy - please move your driver to the new sysfs api" | ||
13 | |||
14 | /* MCA_NOTFOUND is an error condition. The other two indicate | ||
15 | * motherboard POS registers contain the adapter. They might be | ||
16 | * returned by the mca_find_adapter() function, and can be used as | ||
17 | * arguments to mca_read_stored_pos(). I'm not going to allow direct | ||
18 | * access to the motherboard registers until we run across an adapter | ||
19 | * that requires it. We don't know enough about them to know if it's | ||
20 | * safe. | ||
21 | * | ||
22 | * See Documentation/mca.txt or one of the existing drivers for | ||
23 | * more information. | ||
24 | */ | ||
25 | #define MCA_NOTFOUND (-1) | ||
26 | |||
27 | |||
28 | |||
29 | /* Returns the slot of the first enabled adapter matching id. User can | ||
30 | * specify a starting slot beyond zero, to deal with detecting multiple | ||
31 | * devices. Returns MCA_NOTFOUND if id not found. Also checks the | ||
32 | * integrated adapters. | ||
33 | */ | ||
34 | extern int mca_find_adapter(int id, int start); | ||
35 | extern int mca_find_unused_adapter(int id, int start); | ||
36 | |||
37 | extern int mca_mark_as_used(int slot); | ||
38 | extern void mca_mark_as_unused(int slot); | ||
39 | |||
40 | /* gets a byte out of POS register (stored in memory) */ | ||
41 | extern unsigned char mca_read_stored_pos(int slot, int reg); | ||
42 | |||
43 | /* This can be expanded later. Right now, it gives us a way of | ||
44 | * getting meaningful information into the MCA_info structure, | ||
45 | * so we can have a more interesting /proc/mca. | ||
46 | */ | ||
47 | extern void mca_set_adapter_name(int slot, char* name); | ||
48 | |||
49 | /* These routines actually mess with the hardware POS registers. They | ||
50 | * temporarily disable the device (and interrupts), so make sure you know | ||
51 | * what you're doing if you use them. Furthermore, writing to a POS may | ||
52 | * result in two devices trying to share a resource, which in turn can | ||
53 | * result in multiple devices sharing memory spaces, IRQs, or even trashing | ||
54 | * hardware. YOU HAVE BEEN WARNED. | ||
55 | * | ||
56 | * You can only access slots with this. Motherboard registers are off | ||
57 | * limits. | ||
58 | */ | ||
59 | |||
60 | /* read a byte from the specified POS register. */ | ||
61 | extern unsigned char mca_read_pos(int slot, int reg); | ||
62 | |||
63 | /* write a byte to the specified POS register. */ | ||
64 | extern void mca_write_pos(int slot, int reg, unsigned char byte); | ||
65 | |||
66 | #endif | ||