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/*
* Definitions for the PLX-9052 PCI interface chip
*
* Copyright (C) 2002 MEV Ltd. <http://www.mev.co.uk/>
*
* COMEDI - Linux Control and Measurement Device Interface
* Copyright (C) 2000 David A. Schleef <ds@schleef.org>
*
* 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.
*/
#ifndef _PLX9052_H_
#define _PLX9052_H_
/*
* INTCSR - Interrupt Control/Status register
*/
#define PLX9052_INTCSR 0x4c
#define PLX9052_INTCSR_LI1ENAB BIT(0) /* LI1 enabled */
#define PLX9052_INTCSR_LI1POL BIT(1) /* LI1 active high */
#define PLX9052_INTCSR_LI1STAT BIT(2) /* LI1 active */
#define PLX9052_INTCSR_LI2ENAB BIT(3) /* LI2 enabled */
#define PLX9052_INTCSR_LI2POL BIT(4) /* LI2 active high */
#define PLX9052_INTCSR_LI2STAT BIT(5) /* LI2 active */
#define PLX9052_INTCSR_PCIENAB BIT(6) /* PCIINT enabled */
#define PLX9052_INTCSR_SOFTINT BIT(7) /* generate soft int */
#define PLX9052_INTCSR_LI1SEL BIT(8) /* LI1 edge */
#define PLX9052_INTCSR_LI2SEL BIT(9) /* LI2 edge */
#define PLX9052_INTCSR_LI1CLRINT BIT(10) /* LI1 clear int */
#define PLX9052_INTCSR_LI2CLRINT BIT(11) /* LI2 clear int */
#define PLX9052_INTCSR_ISAMODE BIT(12) /* ISA interface mode */
/*
* CNTRL - User I/O, Direct Slave Response, Serial EEPROM, and
* Initialization Control register
*/
#define PLX9052_CNTRL 0x50
#define PLX9052_CNTRL_WAITO BIT(0) /* UIO0 or WAITO# select */
#define PLX9052_CNTRL_UIO0_DIR BIT(1) /* UIO0 direction */
#define PLX9052_CNTRL_UIO0_DATA BIT(2) /* UIO0 data */
#define PLX9052_CNTRL_LLOCKO BIT(3) /* UIO1 or LLOCKo# select */
#define PLX9052_CNTRL_UIO1_DIR BIT(4) /* UIO1 direction */
#define PLX9052_CNTRL_UIO1_DATA BIT(5) /* UIO1 data */
#define PLX9052_CNTRL_CS2 BIT(6) /* UIO2 or CS2# select */
#define PLX9052_CNTRL_UIO2_DIR BIT(7) /* UIO2 direction */
#define PLX9052_CNTRL_UIO2_DATA BIT(8) /* UIO2 data */
#define PLX9052_CNTRL_CS3 BIT(9) /* UIO3 or CS3# select */
#define PLX9052_CNTRL_UIO3_DIR BIT(10) /* UIO3 direction */
#define PLX9052_CNTRL_UIO3_DATA BIT(11) /* UIO3 data */
#define PLX9052_CNTRL_PCIBAR(x) (((x) & 0x3) << 12)
#define PLX9052_CNTRL_PCIBAR01 PLX9052_CNTRL_PCIBAR(0) /* mem and IO */
#define PLX9052_CNTRL_PCIBAR0 PLX9052_CNTRL_PCIBAR(1) /* mem only */
#define PLX9052_CNTRL_PCIBAR1 PLX9052_CNTRL_PCIBAR(2) /* IO only */
#define PLX9052_CNTRL_PCI2_1_FEATURES BIT(14) /* PCI v2.1 features enabled */
#define PLX9052_CNTRL_PCI_R_W_FLUSH BIT(15) /* read w/write flush mode */
#define PLX9052_CNTRL_PCI_R_NO_FLUSH BIT(16) /* read no flush mode */
#define PLX9052_CNTRL_PCI_R_NO_WRITE BIT(17) /* read no write mode */
#define PLX9052_CNTRL_PCI_W_RELEASE BIT(18) /* write release bus mode */
#define PLX9052_CNTRL_RETRY_CLKS(x) (((x) & 0xf) << 19) /* retry clks */
#define PLX9052_CNTRL_LOCK_ENAB BIT(23) /* slave LOCK# enable */
#define PLX9052_CNTRL_EEPROM_MASK (0x1f << 24) /* EEPROM bits */
#define PLX9052_CNTRL_EEPROM_CLK BIT(24) /* EEPROM clock */
#define PLX9052_CNTRL_EEPROM_CS BIT(25) /* EEPROM chip select */
#define PLX9052_CNTRL_EEPROM_DOUT BIT(26) /* EEPROM write bit */
#define PLX9052_CNTRL_EEPROM_DIN BIT(27) /* EEPROM read bit */
#define PLX9052_CNTRL_EEPROM_PRESENT BIT(28) /* EEPROM present */
#define PLX9052_CNTRL_RELOAD_CFG BIT(29) /* reload configuration */
#define PLX9052_CNTRL_PCI_RESET BIT(30) /* PCI adapter reset */
#define PLX9052_CNTRL_MASK_REV BIT(31) /* mask revision */
#endif /* _PLX9052_H_ */
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