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| author | Márton Németh <nm127@freemail.hu> | 2007-10-22 06:56:52 +0200 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2007-10-22 06:56:52 +0200 |
| commit | 553a05b8821f5a6bc633e97187933e2157b2d291 (patch) | |
| tree | 3cf41f6f91986a366af76b0c6c3c06ccb837177f | |
| parent | Input: use full RCU API (diff) | |
| download | linux-553a05b8821f5a6bc633e97187933e2157b2d291.tar.xz linux-553a05b8821f5a6bc633e97187933e2157b2d291.zip | |
Input: i8042 - export i8042_command()
Export the i8042_command() function which manages the mutual
exclusion with the help of the i8042_lock spinlock. This allows
to access i8042 safely from other parts of the kernel.
Signed-off-by: Márton Németh <nm127@freemail.hu>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
| -rw-r--r-- | drivers/input/serio/i8042.c | 4 | ||||
| -rw-r--r-- | drivers/input/serio/i8042.h | 22 | ||||
| -rw-r--r-- | include/linux/i8042.h | 35 |
3 files changed, 38 insertions, 23 deletions
diff --git a/drivers/input/serio/i8042.c b/drivers/input/serio/i8042.c index 11dafc0ee994..1a0cea3c5294 100644 --- a/drivers/input/serio/i8042.c +++ b/drivers/input/serio/i8042.c @@ -20,6 +20,7 @@ #include <linux/err.h> #include <linux/rcupdate.h> #include <linux/platform_device.h> +#include <linux/i8042.h> #include <asm/io.h> @@ -208,7 +209,7 @@ static int __i8042_command(unsigned char *param, int command) return 0; } -static int i8042_command(unsigned char *param, int command) +int i8042_command(unsigned char *param, int command) { unsigned long flags; int retval; @@ -219,6 +220,7 @@ static int i8042_command(unsigned char *param, int command) return retval; } +EXPORT_SYMBOL(i8042_command); /* * i8042_kbd_write() sends a byte out through the keyboard interface. diff --git a/drivers/input/serio/i8042.h b/drivers/input/serio/i8042.h index b3eb7a72d961..dd22d91f8b39 100644 --- a/drivers/input/serio/i8042.h +++ b/drivers/input/serio/i8042.h @@ -61,28 +61,6 @@ #define I8042_CTR_XLATE 0x40 /* - * Commands. - */ - -#define I8042_CMD_CTL_RCTR 0x0120 -#define I8042_CMD_CTL_WCTR 0x1060 -#define I8042_CMD_CTL_TEST 0x01aa - -#define I8042_CMD_KBD_DISABLE 0x00ad -#define I8042_CMD_KBD_ENABLE 0x00ae -#define I8042_CMD_KBD_TEST 0x01ab -#define I8042_CMD_KBD_LOOP 0x11d2 - -#define I8042_CMD_AUX_DISABLE 0x00a7 -#define I8042_CMD_AUX_ENABLE 0x00a8 -#define I8042_CMD_AUX_TEST 0x01a9 -#define I8042_CMD_AUX_SEND 0x10d4 -#define I8042_CMD_AUX_LOOP 0x11d3 - -#define I8042_CMD_MUX_PFX 0x0090 -#define I8042_CMD_MUX_SEND 0x1090 - -/* * Return codes. */ diff --git a/include/linux/i8042.h b/include/linux/i8042.h new file mode 100644 index 000000000000..7907a72403ee --- /dev/null +++ b/include/linux/i8042.h @@ -0,0 +1,35 @@ +#ifndef _LINUX_I8042_H +#define _LINUX_I8042_H + +/* + * 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. + */ + + +/* + * Standard commands. + */ + +#define I8042_CMD_CTL_RCTR 0x0120 +#define I8042_CMD_CTL_WCTR 0x1060 +#define I8042_CMD_CTL_TEST 0x01aa + +#define I8042_CMD_KBD_DISABLE 0x00ad +#define I8042_CMD_KBD_ENABLE 0x00ae +#define I8042_CMD_KBD_TEST 0x01ab +#define I8042_CMD_KBD_LOOP 0x11d2 + +#define I8042_CMD_AUX_DISABLE 0x00a7 +#define I8042_CMD_AUX_ENABLE 0x00a8 +#define I8042_CMD_AUX_TEST 0x01a9 +#define I8042_CMD_AUX_SEND 0x10d4 +#define I8042_CMD_AUX_LOOP 0x11d3 + +#define I8042_CMD_MUX_PFX 0x0090 +#define I8042_CMD_MUX_SEND 0x1090 + +int i8042_command(unsigned char *param, int command); + +#endif |