/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Definitions for the PLX - 9052 PCI interface chip
*
* Copyright ( C ) 2002 MEV Ltd . < https : //www.mev.co.uk/>
*
* COMEDI - Linux Control and Measurement Device Interface
* Copyright ( C ) 2000 David A . Schleef < ds @ schleef . org >
*/
#ifndef _PLX9052_H_
#define _PLX9052_H_
/*
* INTCSR - Interrupt Control / Status register
*/
#define PLX9052_INTCSR 0 x4c
#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 0 x50
#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) & 0 x3) << 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) & 0 xf) << 19 ) /* retry clks */
#define PLX9052_CNTRL_LOCK_ENAB BIT(23 ) /* slave LOCK# enable */
#define PLX9052_CNTRL_EEPROM_MASK (0 x1f << 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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