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| author | GuanXuetao <gxt@mprc.pku.edu.cn> | 2011-01-15 13:28:19 +0300 |
|---|---|---|
| committer | GuanXuetao <gxt@mprc.pku.edu.cn> | 2011-03-17 04:19:15 +0300 |
| commit | 425ad52b86d9710719b3aa811d6cab56b3852981 (patch) | |
| tree | e1de025046d8c242309683b223e8991f6682a6bb /drivers/input/serio | |
| parent | 700598cef866011b878f389c30414d31fa5bb87b (diff) | |
| download | linux-425ad52b86d9710719b3aa811d6cab56b3852981.tar.xz | |
unicore32 machine related files: ps2 driver
This patch implements arch-specific ps2 driver.
By reviewed with Dmitry Torokhov:
1. move i8042-ucio.h to drivers/input/serio/i8042-unicore32io.h
2. move puv3_ps2_init() to arch/unicore32/kernel/puv3-core.c
3. remove unused comments.
Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn>
Acked-by: Dmitry Torokhov <dtor@mail.ru>
Diffstat (limited to 'drivers/input/serio')
| -rw-r--r-- | drivers/input/serio/i8042-unicore32io.h | 70 | ||||
| -rw-r--r-- | drivers/input/serio/i8042.h | 2 |
2 files changed, 72 insertions, 0 deletions
diff --git a/drivers/input/serio/i8042-unicore32io.h b/drivers/input/serio/i8042-unicore32io.h new file mode 100644 index 000000000000..6a7e8b3ce61a --- /dev/null +++ b/drivers/input/serio/i8042-unicore32io.h @@ -0,0 +1,70 @@ +/* + * Code specific to PKUnity SoC and UniCore ISA + * + * Maintained by GUAN Xue-tao <gxt@mprc.pku.edu.cn> + * Copyright (C) 2001-2011 Guan Xuetao + * + * 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. + */ +#ifndef _I8042_UNICORE32_H +#define _I8042_UNICORE32_H + +#include <mach/hardware.h> + +/* + * Names. + */ +#define I8042_KBD_PHYS_DESC "isa0060/serio0" +#define I8042_AUX_PHYS_DESC "isa0060/serio1" +#define I8042_MUX_PHYS_DESC "isa0060/serio%d" + +/* + * IRQs. + */ +#define I8042_KBD_IRQ IRQ_PS2_KBD +#define I8042_AUX_IRQ IRQ_PS2_AUX + +/* + * Register numbers. + */ +#define I8042_COMMAND_REG ((unsigned long)&PS2_COMMAND) +#define I8042_STATUS_REG ((unsigned long)&PS2_STATUS) +#define I8042_DATA_REG ((unsigned long)&PS2_DATA) + +static inline int i8042_read_data(void) +{ + return inb(I8042_DATA_REG); +} + +static inline int i8042_read_status(void) +{ + return inb(I8042_STATUS_REG); +} + +static inline void i8042_write_data(int val) +{ + outb(val, I8042_DATA_REG); +} + +static inline void i8042_write_command(int val) +{ + outb(val, I8042_COMMAND_REG); +} + +static inline int i8042_platform_init(void) +{ + if (!request_region(I8042_DATA_REG, 16, "i8042")) + return -EBUSY; + + i8042_reset = 1; + return 0; +} + +static inline void i8042_platform_exit(void) +{ + release_region(I8042_DATA_REG, 16); +} + +#endif /* _I8042_UNICORE32_H */ diff --git a/drivers/input/serio/i8042.h b/drivers/input/serio/i8042.h index ac1d759d0f55..3452708fbe3b 100644 --- a/drivers/input/serio/i8042.h +++ b/drivers/input/serio/i8042.h @@ -26,6 +26,8 @@ #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 |