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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:02:30 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:02:30 +0000 |
commit | 76cb841cb886eef6b3bee341a2266c76578724ad (patch) | |
tree | f5892e5ba6cc11949952a6ce4ecbe6d516d6ce58 /drivers/input/serio/i8042.h | |
parent | Initial commit. (diff) | |
download | linux-76cb841cb886eef6b3bee341a2266c76578724ad.tar.xz linux-76cb841cb886eef6b3bee341a2266c76578724ad.zip |
Adding upstream version 4.19.249.upstream/4.19.249
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/input/serio/i8042.h')
-rw-r--r-- | drivers/input/serio/i8042.h | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/drivers/input/serio/i8042.h b/drivers/input/serio/i8042.h new file mode 100644 index 000000000..1db0a40c9 --- /dev/null +++ b/drivers/input/serio/i8042.h @@ -0,0 +1,98 @@ +#ifndef _I8042_H +#define _I8042_H + + +/* + * Copyright (c) 1999-2002 Vojtech Pavlik + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published by + * the Free Software Foundation. + */ + +/* + * Arch-dependent inline functions and defines. + */ + +#if defined(CONFIG_MACH_JAZZ) +#include "i8042-jazzio.h" +#elif defined(CONFIG_SGI_HAS_I8042) +#include "i8042-ip22io.h" +#elif defined(CONFIG_SNI_RM) +#include "i8042-snirm.h" +#elif defined(CONFIG_PPC) +#include "i8042-ppcio.h" +#elif defined(CONFIG_SPARC) +#include "i8042-sparcio.h" +#elif defined(CONFIG_X86) || defined(CONFIG_IA64) +#include "i8042-x86ia64io.h" +#elif defined(CONFIG_UNICORE32) +#include "i8042-unicore32io.h" +#else +#include "i8042-io.h" +#endif + +/* + * This is in 50us units, the time we wait for the i8042 to react. This + * has to be long enough for the i8042 itself to timeout on sending a byte + * to a non-existent mouse. + */ + +#define I8042_CTL_TIMEOUT 10000 + +/* + * Return codes. + */ + +#define I8042_RET_CTL_TEST 0x55 + +/* + * Expected maximum internal i8042 buffer size. This is used for flushing + * the i8042 buffers. + */ + +#define I8042_BUFFER_SIZE 16 + +/* + * Number of AUX ports on controllers supporting active multiplexing + * specification + */ + +#define I8042_NUM_MUX_PORTS 4 + +/* + * Debug. + */ + +#ifdef DEBUG +static unsigned long i8042_start_time; +#define dbg_init() do { i8042_start_time = jiffies; } while (0) +#define dbg(format, arg...) \ + do { \ + if (i8042_debug) \ + printk(KERN_DEBUG KBUILD_MODNAME ": [%d] " format, \ + (int) (jiffies - i8042_start_time), ##arg); \ + } while (0) + +#define filter_dbg(filter, data, format, args...) \ + do { \ + if (!i8042_debug) \ + break; \ + \ + if (!filter || i8042_unmask_kbd_data) \ + dbg("%02x " format, data, ##args); \ + else \ + dbg("** " format, ##args); \ + } while (0) +#else +#define dbg_init() do { } while (0) +#define dbg(format, arg...) \ + do { \ + if (0) \ + printk(KERN_DEBUG pr_fmt(format), ##arg); \ + } while (0) + +#define filter_dbg(filter, data, format, args...) do { } while (0) +#endif + +#endif /* _I8042_H */ |