diff options
| -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 0000000..6a7e8b3 --- /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 ac1d759..3452708 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 |