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Diffstat (limited to 'recipes/robostix-module/files/robostix.h')
| -rw-r--r-- | recipes/robostix-module/files/robostix.h | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/recipes/robostix-module/files/robostix.h b/recipes/robostix-module/files/robostix.h new file mode 100644 index 0000000000..0d860bc7a4 --- /dev/null +++ b/recipes/robostix-module/files/robostix.h @@ -0,0 +1,114 @@ +/**************************************************************************** +* +* 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 + |