diff options
Diffstat (limited to 'include/asm-arm/arch-sa1100/jornada720_mcu.h')
| -rw-r--r-- | include/asm-arm/arch-sa1100/jornada720_mcu.h | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/include/asm-arm/arch-sa1100/jornada720_mcu.h b/include/asm-arm/arch-sa1100/jornada720_mcu.h new file mode 100644 index 00000000000000..b21500f467ec91 --- /dev/null +++ b/include/asm-arm/arch-sa1100/jornada720_mcu.h @@ -0,0 +1,48 @@ +/* + * include/asm-arm/arch-sa1100/jornada720_mcu.h + * + * This file contains MCU communication API defintions for HP Jornada 720 + * + * Copyright (C) 2006 Filip Zyzniewski <filip.zyzniewski@tefnet.pl> + * Copyright (C) 2000 John Ankcorn <jca@lcs.mit.edu> + * + * 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. + * + */ + +/* Jornada 720 Microprocessor Control Unit commands */ +#define jornada720_mcu_GetBatteryData 0xc0 +#define jornada720_mcu_GetScanKeyCode 0x90 +#define jornada720_mcu_GetTouchSamples 0xa0 +#define jornada720_mcu_GetContrast 0xD0 +#define jornada720_mcu_SetContrast 0xD1 +#define jornada720_mcu_GetBrightness 0xD2 +#define jornada720_mcu_SetBrightness 0xD3 +#define jornada720_mcu_ContrastOff 0xD8 +#define jornada720_mcu_BrightnessOff 0xD9 +#define jornada720_mcu_PWMOFF 0xDF +#define jornada720_mcu_TxDummy 0x11 +#define jornada720_mcu_ErrorCode 0x00 + +/* devices accessible through the MCU */ +#define jornada720_mcu_bus_id_kbd "jornada720_kbd" +#define jornada720_mcu_bus_id_ts "jornada720_ts" +#define jornada720_mcu_bus_id_apm "jornada720_apm" +#define jornada720_mcu_bus_id_lcd "jornada720_lcd" +#define jornada720_mcu_bus_id_bl "jornada720_bl" + +int jornada720_mcu_byte(u8 byte); + +#define jornada720_mcu_read() jornada720_mcu_byte(jornada720_mcu_TxDummy) + +/* + * WARNING: remember to jornada720_mcu_end() after every + * jornada720_mcu_start() or you will deadlock! + */ +int jornada720_mcu_start(u8 byte); + +void jornada720_mcu_end(void); + +extern struct bus_type jornada720_mcu_bus_type; |