/* *	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			3struct 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 */