board/MAI/AmigaOneG3SE/i8259.h

   1 /*
   2  * (C) Copyright 2002
   3  * John W. Linville, linville@tuxdriver.com
   4  *
   5  * See file CREDITS for list of people who contributed to this
   6  * project.
   7  *
   8  * This program is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU General Public License as
  10  * published by the Free Software Foundation; either version 2 of
  11  * the License, or (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  21  * MA 02111-1307 USA
  22  */
  23
  24 #define ICW1_1  CONFIG_SYS_ISA_IO_BASE_ADDRESS + ISA_INT1_ICW1
  25 #define ICW1_2  CONFIG_SYS_ISA_IO_BASE_ADDRESS + ISA_INT2_ICW1
  26 #define ICW2_1  CONFIG_SYS_ISA_IO_BASE_ADDRESS + ISA_INT1_ICW2
  27 #define ICW2_2  CONFIG_SYS_ISA_IO_BASE_ADDRESS + ISA_INT2_ICW2
  28 #define ICW3_1  CONFIG_SYS_ISA_IO_BASE_ADDRESS + ISA_INT1_ICW3
  29 #define ICW3_2  CONFIG_SYS_ISA_IO_BASE_ADDRESS + ISA_INT2_ICW3
  30 #define ICW4_1  CONFIG_SYS_ISA_IO_BASE_ADDRESS + ISA_INT1_ICW4
  31 #define ICW4_2  CONFIG_SYS_ISA_IO_BASE_ADDRESS + ISA_INT2_ICW4
  32 #define OCW1_1  CONFIG_SYS_ISA_IO_BASE_ADDRESS + ISA_INT1_OCW1
  33 #define OCW1_2  CONFIG_SYS_ISA_IO_BASE_ADDRESS + ISA_INT2_OCW1
  34 #define OCW2_1  CONFIG_SYS_ISA_IO_BASE_ADDRESS + ISA_INT1_OCW2
  35 #define OCW2_2  CONFIG_SYS_ISA_IO_BASE_ADDRESS + ISA_INT2_OCW2
  36 #define OCW3_1  CONFIG_SYS_ISA_IO_BASE_ADDRESS + ISA_INT1_OCW3
  37 #define OCW3_2  CONFIG_SYS_ISA_IO_BASE_ADDRESS + ISA_INT2_OCW3
  38
  39 #define IMR_1   OCW1_1
  40 #define IMR_2   OCW1_2
  41
  42 #define ISR_1   ICW1_1
  43 #define ISR_2   ICW1_2
  44
  45 #define IPL_1   ICW1_1
  46 #define IPL_2   ICW1_2
  47
  48 extern void i8259_init(void);
  49
  50 extern int i8259_get_irq(struct pt_regs *regs);
  51
  52 extern void i8259_mask_and_ack(int irq);
  53
  54 extern void i8259_mask_irq(int irq);
  55
  56 extern void i8259_unmask_irq(int irq);