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- /***************************************************************************
- nec7210/pc2.h
- -------------------
- begin : Jan 2002
- copyright : (C) 2002 by Frank Mori Hess
- email : fmhess@users.sourceforge.net
- ***************************************************************************/
- /***************************************************************************
- * *
- * 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. *
- * *
- ***************************************************************************/
- #ifndef _PC2_H
- #define _PC2_H
- #include "nec7210.h"
- #include "gpibP.h"
- // struct which defines private_data for pc2 driver
- typedef struct
- {
- nec7210_private_t nec7210_priv;
- unsigned int irq;
- // io address that clears interrupt for pc2a (0x2f0 + irq)
- unsigned int clear_intr_addr;
- } pc2_private_t;
- // interfaces
- extern gpib_interface_t pc2_interface;
- extern gpib_interface_t pc2a_interface;
- // pc2 uses 8 consecutive io addresses
- static const int pc2_iosize = 8;
- static const int pc2a_iosize = 8;
- static const int pc2_2a_iosize = 16;
- // offset between io addresses of successive nec7210 registers
- static const int pc2a_reg_offset = 0x400;
- static const int pc2_reg_offset = 1;
- //interrupt service routine
- irqreturn_t pc2_interrupt(int irq, void *arg PT_REGS_ARG);
- irqreturn_t pc2a_interrupt(int irq, void *arg PT_REGS_ARG);
- // pc2 specific registers and bits
- // interrupt clear register address
- static const int pc2a_clear_intr_iobase = 0x2f0;
- inline static unsigned int CLEAR_INTR_REG( unsigned int irq )
- {
- return pc2a_clear_intr_iobase + irq;
- }
- #endif // _PC2_H
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