1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
2 | #ifndef _I8042_H |
3 | #define _I8042_H |
4 | |
5 | |
6 | /* |
7 | * Copyright (c) 1999-2002 Vojtech Pavlik |
8 | */ |
9 | |
10 | /* |
11 | * Arch-dependent inline functions and defines. |
12 | */ |
13 | |
14 | #if defined(CONFIG_MACH_JAZZ) |
15 | #include "i8042-jazzio.h" |
16 | #elif defined(CONFIG_SGI_HAS_I8042) |
17 | #include "i8042-ip22io.h" |
18 | #elif defined(CONFIG_SNI_RM) |
19 | #include "i8042-snirm.h" |
20 | #elif defined(CONFIG_SPARC) |
21 | #include "i8042-sparcio.h" |
22 | #elif defined(CONFIG_X86) || defined(CONFIG_LOONGARCH) |
23 | #include "i8042-acpipnpio.h" |
24 | #else |
25 | #include "i8042-io.h" |
26 | #endif |
27 | |
28 | /* |
29 | * This is in 50us units, the time we wait for the i8042 to react. This |
30 | * has to be long enough for the i8042 itself to timeout on sending a byte |
31 | * to a non-existent mouse. |
32 | */ |
33 | |
34 | #define I8042_CTL_TIMEOUT 10000 |
35 | |
36 | /* |
37 | * Return codes. |
38 | */ |
39 | |
40 | #define I8042_RET_CTL_TEST 0x55 |
41 | |
42 | /* |
43 | * Expected maximum internal i8042 buffer size. This is used for flushing |
44 | * the i8042 buffers. |
45 | */ |
46 | |
47 | #define I8042_BUFFER_SIZE 16 |
48 | |
49 | /* |
50 | * Number of AUX ports on controllers supporting active multiplexing |
51 | * specification |
52 | */ |
53 | |
54 | #define I8042_NUM_MUX_PORTS 4 |
55 | |
56 | /* |
57 | * Debug. |
58 | */ |
59 | |
60 | #ifdef DEBUG |
61 | static unsigned long i8042_start_time; |
62 | #define dbg_init() do { i8042_start_time = jiffies; } while (0) |
63 | #define dbg(format, arg...) \ |
64 | do { \ |
65 | if (i8042_debug) \ |
66 | printk(KERN_DEBUG KBUILD_MODNAME ": [%d] " format, \ |
67 | (int) (jiffies - i8042_start_time), ##arg); \ |
68 | } while (0) |
69 | |
70 | #define filter_dbg(filter, data, format, args...) \ |
71 | do { \ |
72 | if (!i8042_debug) \ |
73 | break; \ |
74 | \ |
75 | if (!filter || i8042_unmask_kbd_data) \ |
76 | dbg("%02x " format, data, ##args); \ |
77 | else \ |
78 | dbg("** " format, ##args); \ |
79 | } while (0) |
80 | #else |
81 | #define dbg_init() do { } while (0) |
82 | #define dbg(format, arg...) \ |
83 | do { \ |
84 | if (0) \ |
85 | printk(KERN_DEBUG pr_fmt(format), ##arg); \ |
86 | } while (0) |
87 | |
88 | #define filter_dbg(filter, data, format, args...) do { } while (0) |
89 | #endif |
90 | |
91 | #endif /* _I8042_H */ |
92 | |