| /* |
| * 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_reset(struct ds_device *, struct ds_status *); |
| 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 */ |
| |
