/* * 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 */