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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 | /* * dscore.h * * Copyright (c) 2004 Evgeniy Polyakov <johnpol@2ka.mipt.ru> * * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #ifndef __DSCORE_H #define __DSCORE_H #include <linux/usb.h> #include <asm/atomic.h> /* COMMAND TYPE CODES */ #define CONTROL_CMD 0x00 #define COMM_CMD 0x01 #define MODE_CMD 0x02 /* CONTROL COMMAND CODES */ #define CTL_RESET_DEVICE 0x0000 #define CTL_START_EXE 0x0001 #define CTL_RESUME_EXE 0x0002 #define CTL_HALT_EXE_IDLE 0x0003 #define CTL_HALT_EXE_DONE 0x0004 #define CTL_FLUSH_COMM_CMDS 0x0007 #define CTL_FLUSH_RCV_BUFFER 0x0008 #define CTL_FLUSH_XMT_BUFFER 0x0009 #define CTL_GET_COMM_CMDS 0x000A /* MODE COMMAND CODES */ #define MOD_PULSE_EN 0x0000 #define MOD_SPEED_CHANGE_EN 0x0001 #define MOD_1WIRE_SPEED 0x0002 #define MOD_STRONG_PU_DURATION 0x0003 #define MOD_PULLDOWN_SLEWRATE 0x0004 #define MOD_PROG_PULSE_DURATION 0x0005 #define MOD_WRITE1_LOWTIME 0x0006 #define MOD_DSOW0_TREC 0x0007 /* COMMUNICATION COMMAND CODES */ #define COMM_ERROR_ESCAPE 0x0601 #define COMM_SET_DURATION 0x0012 #define COMM_BIT_IO 0x0020 #define COMM_PULSE 0x0030 #define COMM_1_WIRE_RESET 0x0042 #define COMM_BYTE_IO 0x0052 #define COMM_MATCH_ACCESS 0x0064 #define COMM_BLOCK_IO 0x0074 #define COMM_READ_STRAIGHT 0x0080 #define COMM_DO_RELEASE 0x6092 #define COMM_SET_PATH 0x00A2 #define COMM_WRITE_SRAM_PAGE 0x00B2 #define COMM_WRITE_EPROM 0x00C4 #define COMM_READ_CRC_PROT_PAGE 0x00D4 #define COMM_READ_REDIRECT_PAGE_CRC 0x21E4 #define COMM_SEARCH_ACCESS 0x00F4 /* Communication command bits */ #define COMM_TYPE 0x0008 #define COMM_SE 0x0008 #define COMM_D 0x0008 #define COMM_Z 0x0008 #define COMM_CH 0x0008 #define COMM_SM 0x0008 #define COMM_R 0x0008 #define COMM_IM 0x0001 #define COMM_PS 0x4000 #define COMM_PST 0x4000 #define COMM_CIB 0x4000 #define COMM_RTS 0x4000 #define COMM_DT 0x2000 #define COMM_SPU 0x1000 #define COMM_F 0x0800 #define COMM_NTP 0x0400 #define COMM_ICP 0x0200 #define COMM_RST 0x0100 #define PULSE_PROG 0x01 #define PULSE_SPUE 0x02 #define BRANCH_MAIN 0xCC #define BRANCH_AUX 0x33 /* * Duration of the strong pull-up pulse in milliseconds. */ #define PULLUP_PULSE_DURATION 750 /* Status flags */ #define ST_SPUA 0x01 /* Strong Pull-up is active */ #define ST_PRGA 0x02 /* 12V programming pulse is being generated */ #define ST_12VP 0x04 /* external 12V programming voltage is present */ #define ST_PMOD 0x08 /* DS2490 powered from USB and external sources */ #define ST_HALT 0x10 /* DS2490 is currently halted */ #define ST_IDLE 0x20 /* DS2490 is currently idle */ #define ST_EPOF 0x80 #define SPEED_NORMAL 0x00 #define SPEED_FLEXIBLE 0x01 #define SPEED_OVERDRIVE 0x02 #define NUM_EP 4 #define EP_CONTROL 0 #define EP_STATUS 1 #define EP_DATA_OUT 2 #define EP_DATA_IN 3 struct ds_device { struct usb_device *udev; struct usb_interface *intf; int ep[NUM_EP]; atomic_t refcnt; }; struct ds_status { u8 enable; u8 speed; u8 pullup_dur; u8 ppuls_dur; u8 pulldown_slew; u8 write1_time; u8 write0_time; u8 reserved0; u8 status; u8 command0; u8 command1; u8 command_buffer_status; u8 data_out_buffer_status; u8 data_in_buffer_status; u8 reserved1; u8 reserved2; }; int ds_touch_bit(struct ds_device *, u8, u8 *); int ds_read_byte(struct ds_device *, u8 *); int ds_read_bit(struct ds_device *, u8 *); int ds_write_byte(struct ds_device *, u8); int ds_write_bit(struct ds_device *, u8); int ds_start_pulse(struct ds_device *, int); int ds_set_speed(struct ds_device *, int); int ds_reset(struct ds_device *, struct ds_status *); int ds_detect(struct ds_device *, struct ds_status *); int ds_stop_pulse(struct ds_device *, int); struct ds_device * ds_get_device(void); void ds_put_device(struct ds_device *); int ds_write_block(struct ds_device *, u8 *, int); int ds_read_block(struct ds_device *, u8 *, int); #endif /* __DSCORE_H */ |