/**************************************************************************** * * Copyright (c) 2006 Dave Hylands <dhylands@gmail.com> * * 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. * * Alternatively, this software may be distributed under the terms of BSD * license. * * See README and COPYING for more details. * ****************************************************************************/ /** * * robostix_drv.h * * PURPOSE: * * This implements a driver for using the robostix from the gumstix * * Initially, this contains the required support to emulate enough of the * parallel port interface to allow avrdude to program the ATMega128. * *****************************************************************************/ #if !defined( LINUX_ROBOSTIX_H ) #define LINUX_ROBOSTIX_H ) /* ---- Include Files ----------------------------------------------------- */ #include <linux/ioctl.h> /* ---- Constants and Types ----------------------------------------------- */ #define ROBOSTIX_MAJOR 240 #define ROBOSTIX_IOCTL_MAGIC 'R' /** * Deefines for each of the commands. Note that since we want to reduce * the possibility that a user mode program gets out of sync with a given * driver, we explicitly assign a value to each enumeration. This makes * it more difficult to stick new ioctl's in the middle of the list. */ typedef enum { ROBOSTIX_CMD_FIRST = 0x80, ROBOSTIX_CMD_POWER_VCC5 = 0x80, ROBOSTIX_CMD_RESET = 0x81, ROBOSTIX_CMD_245_ENABLE = 0x82, ROBOSTIX_CMD_SET_SCK = 0x83, ROBOSTIX_CMD_SET_SS = 0x84, ROBOSTIX_CMD_SET_IR_TXD = 0x85, ROBOSTIX_CMD_GET_IR_RXD = 0x86, ROBOSTIX_CMD_SET_MOSI = 0x87, ROBOSTIX_CMD_GET_MISO = 0x88, ROBOSTIX_CMD_GET_IRQ = 0x89, ROBOSTIX_CMD_DELAY_USEC = 0x8A, // value is hardocded in uisp DAPA.C /* Insert new ioctls here */ ROBOSTIX_CMD_LAST, } ROBOSTIX_CMD; /* * The following are arguments to the various ioctl's */ #define ROBOSTIX_PIN_OFF 0 #define ROBOSTIX_PIN_ON 1 #define ROBOSTIX_PIN_PULSE 2 // only used or Reset /* * Definitions for the actual ioctl commands */ #define ROBOSTIX_IOCTL_POWER_VCC5 _IO( ROBOSTIX_IOCTL_MAGIC, ROBOSTIX_CMD_POWER_VCC5 ) // arg is int #define ROBOSTIX_IOCTL_RESET _IO( ROBOSTIX_IOCTL_MAGIC, ROBOSTIX_CMD_RESET ) // arg is int #define ROBOSTIX_IOCTL_245_ENABLE _IO( ROBOSTIX_IOCTL_MAGIC, ROBOSTIX_CMD_245_ENABLE ) // arg is int #define ROBOSTIX_IOCTL_SET_SCK _IO( ROBOSTIX_IOCTL_MAGIC, ROBOSTIX_CMD_SET_SCK ) // arg is int #define ROBOSTIX_IOCTL_SET_SS _IO( ROBOSTIX_IOCTL_MAGIC, ROBOSTIX_CMD_SET_SS ) // arg is int #define ROBOSTIX_IOCTL_SET_IR_TXD _IO( ROBOSTIX_IOCTL_MAGIC, ROBOSTIX_CMD_SET_IR_TXD ) // arg is int #define ROBOSTIX_IOCTL_GET_IR_RXD _IOR( ROBOSTIX_IOCTL_MAGIC, ROBOSTIX_CMD_GET_IR_RXD, int ) // arg is int * #define ROBOSTIX_IOCTL_SET_MOSI _IO( ROBOSTIX_IOCTL_MAGIC, ROBOSTIX_CMD_SET_MOSI ) // arg is int #define ROBOSTIX_IOCTL_GET_MISO _IOR( ROBOSTIX_IOCTL_MAGIC, ROBOSTIX_CMD_GET_MISO, int ) // arg is int * #define ROBOSTIX_IOCTL_GET_IRQ _IOR( ROBOSTIX_IOCTL_MAGIC, ROBOSTIX_CMD_GET_IRQ, int ) // arg is int * #define ROBOSTIX_IOCTL_DELAY_USEC _IO( ROBOSTIX_IOCTL_MAGIC, ROBOSTIX_CMD_DELAY_USEC ) // arg is int /* * Definitions for sysctl. The top level define has to be unique system wide. * The kernel defines values 1 thru about 10 (see include/linunx/sysctl.h) */ #define CTL_ROBOSTIX 0x526F626F /* 'Robo' in hex form */ /* * The following are for entries in /proc/sys/robostix */ enum { CTL_ROBOSTIX_DEBUG_TRACE = 101, CTL_ROBOSTIX_DEBUG_IOCTL = 102, CTL_ROBOSTIX_DEBUG_ERROR = 103 }; #endif // LINUX_ROBOSTIX_H