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91 lines
1.9 KiB
91 lines
1.9 KiB
/* SPDX-License-Identifier: GPL-2.0-only */ |
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#ifndef _I8042_H |
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#define _I8042_H |
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/* |
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* Copyright (c) 1999-2002 Vojtech Pavlik |
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*/ |
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/* |
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* Arch-dependent inline functions and defines. |
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*/ |
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#if defined(CONFIG_MACH_JAZZ) |
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#include "i8042-jazzio.h" |
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#elif defined(CONFIG_SGI_HAS_I8042) |
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#include "i8042-ip22io.h" |
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#elif defined(CONFIG_SNI_RM) |
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#include "i8042-snirm.h" |
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#elif defined(CONFIG_SPARC) |
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#include "i8042-sparcio.h" |
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#elif defined(CONFIG_X86) || defined(CONFIG_IA64) |
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#include "i8042-x86ia64io.h" |
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#else |
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#include "i8042-io.h" |
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#endif |
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/* |
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* This is in 50us units, the time we wait for the i8042 to react. This |
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* has to be long enough for the i8042 itself to timeout on sending a byte |
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* to a non-existent mouse. |
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*/ |
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#define I8042_CTL_TIMEOUT 10000 |
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/* |
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* Return codes. |
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*/ |
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#define I8042_RET_CTL_TEST 0x55 |
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/* |
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* Expected maximum internal i8042 buffer size. This is used for flushing |
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* the i8042 buffers. |
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*/ |
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#define I8042_BUFFER_SIZE 16 |
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/* |
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* Number of AUX ports on controllers supporting active multiplexing |
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* specification |
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*/ |
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#define I8042_NUM_MUX_PORTS 4 |
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/* |
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* Debug. |
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*/ |
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#ifdef DEBUG |
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static unsigned long i8042_start_time; |
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#define dbg_init() do { i8042_start_time = jiffies; } while (0) |
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#define dbg(format, arg...) \ |
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do { \ |
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if (i8042_debug) \ |
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printk(KERN_DEBUG KBUILD_MODNAME ": [%d] " format, \ |
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(int) (jiffies - i8042_start_time), ##arg); \ |
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} while (0) |
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#define filter_dbg(filter, data, format, args...) \ |
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do { \ |
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if (!i8042_debug) \ |
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break; \ |
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\ |
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if (!filter || i8042_unmask_kbd_data) \ |
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dbg("%02x " format, data, ##args); \ |
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else \ |
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dbg("** " format, ##args); \ |
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} while (0) |
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#else |
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#define dbg_init() do { } while (0) |
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#define dbg(format, arg...) \ |
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do { \ |
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if (0) \ |
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printk(KERN_DEBUG pr_fmt(format), ##arg); \ |
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} while (0) |
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#define filter_dbg(filter, data, format, args...) do { } while (0) |
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#endif |
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#endif /* _I8042_H */
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