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/* $OpenBSD: uowreg.h,v 1.5 2006/10/08 20:04:23 grange Exp $ */
/*
* Copyright (c) 2006 Alexander Yurchenko <grange@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef _DEV_USB_UOWREG_H_
#define _DEV_USB_UOWREG_H_
/*
* Maxim/Dallas DS2490 USB 1-Wire adapter register definitions.
*/
/* USB core interface */
#define DS2490_USB_CONFIG 1 /* configuration */
#define DS2490_USB_IFACE 0 /* interface */
/* Command type codes */
#define DS2490_CONTROL_CMD 0x00 /* control */
#define DS2490_COMM_CMD 0x01 /* communication */
#define DS2490_MODE_CMD 0x02 /* mode */
/* Control command codes */
#define DS2490_CTL_RESET_DEVICE 0x0000
#define DS2490_CTL_START_EXE 0x0001
#define DS2490_CTL_RESUME_EXE 0x0002
#define DS2490_CTL_HALT_EXE_IDLE 0x0003
#define DS2490_CTL_HALT_EXE_DONE 0x0004
#define DS2490_CTL_FLUSH_COMM_CMDS 0x0007
#define DS2490_CTL_FLUSH_RCV_BUFFER 0x0008
#define DS2490_CTL_FLUSH_XMT_BUFFER 0x0009
#define DS2490_CTL_GET_COMM_CMDS 0x000a
/* Communication command codes */
#define DS2490_COMM_SET_DURATION 0x0012
#define DS2490_COMM_PULSE 0x0030
#define DS2490_COMM_1WIRE_RESET 0x0042
#define DS2490_COMM_BIT_IO 0x0020
#define DS2490_COMM_BYTE_IO 0x0052
#define DS2490_COMM_BLOCK_IO 0x0074
#define DS2490_COMM_MATCH_ACCESS 0x0064
#define DS2490_COMM_READ_STRAIGHT 0x0080
#define DS2490_COMM_DO_RELEASE 0x6092
#define DS2490_COMM_SET_PATH 0x00a2
#define DS2490_COMM_WRITE_SRAM_PAGE 0x00b2
#define DS2490_COMM_WRITE_EPROM 0x00c4
#define DS2490_COMM_READ_CRC_PROT_PAGE 0x00d4
#define DS2490_COMM_READ_REDIR_PAGE_CRC 0x21e4
#define DS2490_COMM_SEARCH_ACCESS 0x00f4
/* Communication command embedded command parameter bits */
#define DS2490_BIT_IM (1 << 0)
#define DS2490_BIT_D (1 << 3)
#define DS2490_BIT_CH (1 << 3)
#define DS2490_BIT_R (1 << 3)
#define DS2490_BIT_SE (1 << 3)
#define DS2490_BIT_SM (1 << 3)
#define DS2490_BIT_TYPE (1 << 3)
#define DS2490_BIT_Z (1 << 3)
#define DS2490_BIT_RST (1 << 8)
#define DS2490_BIT_ICP (1 << 9)
#define DS2490_BIT_NTF (1 << 10)
#define DS2490_BIT_F (1 << 11)
#define DS2490_BIT_SPU (1 << 12)
#define DS2490_BIT_DT (1 << 13)
#define DS2490_BIT_CIB (1 << 14)
#define DS2490_BIT_PS (1 << 14)
#define DS2490_BIT_PST (1 << 14)
#define DS2490_BIT_RTS (1 << 14)
/* Mode command codes */
#define DS2490_MOD_PULSE_EN 0x0000
#define DS2490_MOD_SPEED_CHANGE_EN 0x0001
#define DS2490_MOD_1WIRE_SPEED 0x0002
#define DS2490_MOD_STRONG_PU_DURATION 0x0003
#define DS2490_MOD_PULLDOWN_SLEWRATE 0x0004
#define DS2490_MOD_PROG_PULSE_DURATION 0x0005
#define DS2490_MOD_WRITE1_LOWTIME 0x0006
#define DS2490_MOD_DSOW0_TREC 0x0007
/* State registers */
#define DS2490_ST_BEGIN 0x00
#define DS2490_ST_ENFL 0x00 /* enabled flags */
#define DS2490_ST_ENFL_SPUE (1 << 0) /* strong pullup */
#define DS2490_ST_ENFL_PRGE (1 << 1) /* programming pulse */
#define DS2490_ST_ENFL_SPCE (1 << 2) /* speed change */
#define DS2490_ST_SPEED 0x01 /* bus speed */
#define DS2490_ST_SPUDUR 0x02 /* strong pullup duration */
#define DS2490_ST_PRGDUR 0x03 /* programming pullup duration */
#define DS2490_ST_PDSRC 0x04 /* pulldown slew rate control */
#define DS2490_ST_W1LT 0x05 /* write-1 low time */
#define DS2490_ST_DSO 0x06 /* data sample offset */
#define DS2490_ST_STFL 0x08 /* status flags */
#define DS2490_ST_STFL_SPUA (1 << 0) /* strong pullup */
#define DS2490_ST_STFL_PRGA (1 << 1) /* programming pulse */
#define DS2490_ST_STFL_12VP (1 << 2) /* 12V prog voltage */
#define DS2490_ST_STFL_PMOD (1 << 3) /* ext power */
#define DS2490_ST_STFL_HALT (1 << 4) /* halted */
#define DS2490_ST_STFL_IDLE (1 << 5) /* idle */
#define DS2490_ST_STFL_EP0F (1 << 7) /* EP0 FIFO status */
#define DS2490_ST_STFL_BITS "\020\001SPUA\002PRGA\00312VP\004PMOD\005HALT\006IDLE\010EP0F"
#define DS2490_ST_CC1 0x09 /* communication command byte 1 */
#define DS2490_ST_CC2 0x0a /* communication command byte 2 */
#define DS2490_ST_CCBUF 0x0b /* communication command buf status */
#define DS2490_ST_OBUF 0x0c /* data out buf status */
#define DS2490_ST_IBUF 0x0d /* data in buf status */
#define DS2490_ST_END 0x0f
/* Result registers */
#define DS2490_RES_BEGIN 0x10
#define DS2490_RES_END 0x1f
#define DS2490_RES_DETECT 0xa5 /* device detect */
#define DS2490_NREGS (DS2490_RES_END + 1)
#define DS2490_CMDFIFOSIZE 16 /* command FIFO size */
#define DS2490_DATAFIFOSIZE 128 /* data FIFO size */
#endif /* !_DEV_USB_UOWREG_H_ */
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