1 /* $OpenBSD: uowreg.h,v 1.5 2006/10/08 20:04:23 grange Exp $ */ 2 3 /* 4 * Copyright (c) 2006 Alexander Yurchenko <grange@openbsd.org> 5 * 6 * Permission to use, copy, modify, and distribute this software for any 7 * purpose with or without fee is hereby granted, provided that the above 8 * copyright notice and this permission notice appear in all copies. 9 * 10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 17 */ 18 19 #ifndef _DEV_USB_UOWREG_H_ 20 #define _DEV_USB_UOWREG_H_ 21 22 /* 23 * Maxim/Dallas DS2490 USB 1-Wire adapter register definitions. 24 */ 25 26 /* USB core interface */ 27 #define DS2490_USB_CONFIG 1 /* configuration */ 28 #define DS2490_USB_IFACE 0 /* interface */ 29 30 /* Command type codes */ 31 #define DS2490_CONTROL_CMD 0x00 /* control */ 32 #define DS2490_COMM_CMD 0x01 /* communication */ 33 #define DS2490_MODE_CMD 0x02 /* mode */ 34 35 /* Control command codes */ 36 #define DS2490_CTL_RESET_DEVICE 0x0000 37 #define DS2490_CTL_START_EXE 0x0001 38 #define DS2490_CTL_RESUME_EXE 0x0002 39 #define DS2490_CTL_HALT_EXE_IDLE 0x0003 40 #define DS2490_CTL_HALT_EXE_DONE 0x0004 41 #define DS2490_CTL_FLUSH_COMM_CMDS 0x0007 42 #define DS2490_CTL_FLUSH_RCV_BUFFER 0x0008 43 #define DS2490_CTL_FLUSH_XMT_BUFFER 0x0009 44 #define DS2490_CTL_GET_COMM_CMDS 0x000a 45 46 /* Communication command codes */ 47 #define DS2490_COMM_SET_DURATION 0x0012 48 #define DS2490_COMM_PULSE 0x0030 49 #define DS2490_COMM_1WIRE_RESET 0x0042 50 #define DS2490_COMM_BIT_IO 0x0020 51 #define DS2490_COMM_BYTE_IO 0x0052 52 #define DS2490_COMM_BLOCK_IO 0x0074 53 #define DS2490_COMM_MATCH_ACCESS 0x0064 54 #define DS2490_COMM_READ_STRAIGHT 0x0080 55 #define DS2490_COMM_DO_RELEASE 0x6092 56 #define DS2490_COMM_SET_PATH 0x00a2 57 #define DS2490_COMM_WRITE_SRAM_PAGE 0x00b2 58 #define DS2490_COMM_WRITE_EPROM 0x00c4 59 #define DS2490_COMM_READ_CRC_PROT_PAGE 0x00d4 60 #define DS2490_COMM_READ_REDIR_PAGE_CRC 0x21e4 61 #define DS2490_COMM_SEARCH_ACCESS 0x00f4 62 63 /* Communication command embedded command parameter bits */ 64 #define DS2490_BIT_IM (1 << 0) 65 #define DS2490_BIT_D (1 << 3) 66 #define DS2490_BIT_CH (1 << 3) 67 #define DS2490_BIT_R (1 << 3) 68 #define DS2490_BIT_SE (1 << 3) 69 #define DS2490_BIT_SM (1 << 3) 70 #define DS2490_BIT_TYPE (1 << 3) 71 #define DS2490_BIT_Z (1 << 3) 72 #define DS2490_BIT_RST (1 << 8) 73 #define DS2490_BIT_ICP (1 << 9) 74 #define DS2490_BIT_NTF (1 << 10) 75 #define DS2490_BIT_F (1 << 11) 76 #define DS2490_BIT_SPU (1 << 12) 77 #define DS2490_BIT_DT (1 << 13) 78 #define DS2490_BIT_CIB (1 << 14) 79 #define DS2490_BIT_PS (1 << 14) 80 #define DS2490_BIT_PST (1 << 14) 81 #define DS2490_BIT_RTS (1 << 14) 82 83 /* Mode command codes */ 84 #define DS2490_MOD_PULSE_EN 0x0000 85 #define DS2490_MOD_SPEED_CHANGE_EN 0x0001 86 #define DS2490_MOD_1WIRE_SPEED 0x0002 87 #define DS2490_MOD_STRONG_PU_DURATION 0x0003 88 #define DS2490_MOD_PULLDOWN_SLEWRATE 0x0004 89 #define DS2490_MOD_PROG_PULSE_DURATION 0x0005 90 #define DS2490_MOD_WRITE1_LOWTIME 0x0006 91 #define DS2490_MOD_DSOW0_TREC 0x0007 92 93 /* State registers */ 94 #define DS2490_ST_BEGIN 0x00 95 #define DS2490_ST_ENFL 0x00 /* enabled flags */ 96 #define DS2490_ST_ENFL_SPUE (1 << 0) /* strong pullup */ 97 #define DS2490_ST_ENFL_PRGE (1 << 1) /* programming pulse */ 98 #define DS2490_ST_ENFL_SPCE (1 << 2) /* speed change */ 99 #define DS2490_ST_SPEED 0x01 /* bus speed */ 100 #define DS2490_ST_SPUDUR 0x02 /* strong pullup duration */ 101 #define DS2490_ST_PRGDUR 0x03 /* programming pullup duration */ 102 #define DS2490_ST_PDSRC 0x04 /* pulldown slew rate control */ 103 #define DS2490_ST_W1LT 0x05 /* write-1 low time */ 104 #define DS2490_ST_DSO 0x06 /* data sample offset */ 105 #define DS2490_ST_STFL 0x08 /* status flags */ 106 #define DS2490_ST_STFL_SPUA (1 << 0) /* strong pullup */ 107 #define DS2490_ST_STFL_PRGA (1 << 1) /* programming pulse */ 108 #define DS2490_ST_STFL_12VP (1 << 2) /* 12V prog voltage */ 109 #define DS2490_ST_STFL_PMOD (1 << 3) /* ext power */ 110 #define DS2490_ST_STFL_HALT (1 << 4) /* halted */ 111 #define DS2490_ST_STFL_IDLE (1 << 5) /* idle */ 112 #define DS2490_ST_STFL_EP0F (1 << 7) /* EP0 FIFO status */ 113 #define DS2490_ST_STFL_BITS "\020\001SPUA\002PRGA\00312VP\004PMOD\005HALT\006IDLE\010EP0F" 114 115 #define DS2490_ST_CC1 0x09 /* communication command byte 1 */ 116 #define DS2490_ST_CC2 0x0a /* communication command byte 2 */ 117 #define DS2490_ST_CCBUF 0x0b /* communication command buf status */ 118 #define DS2490_ST_OBUF 0x0c /* data out buf status */ 119 #define DS2490_ST_IBUF 0x0d /* data in buf status */ 120 #define DS2490_ST_END 0x0f 121 122 /* Result registers */ 123 #define DS2490_RES_BEGIN 0x10 124 #define DS2490_RES_END 0x1f 125 #define DS2490_RES_DETECT 0xa5 /* device detect */ 126 127 #define DS2490_NREGS (DS2490_RES_END + 1) 128 129 #define DS2490_CMDFIFOSIZE 16 /* command FIFO size */ 130 #define DS2490_DATAFIFOSIZE 128 /* data FIFO size */ 131 132 #endif /* !_DEV_USB_UOWREG_H_ */ 133