ide.h

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    1 /*
    2  * This file is subject to the terms and conditions of the GNU General Public
    3  * License.  See the file "COPYING" in the main directory of this archive
    4  * for more details.
    5  *
    6  * This file contains the MIPS architecture specific IDE code.
    7  *
    8  * Copyright (C) 1994-1996  Linus Torvalds & authors
    9  */
   10 #ifndef __ASM_IDE_H
   11 #define __ASM_IDE_H
   12 
   13 #ifdef __KERNEL__
   14 
   15 #include <linux/config.h>
   16 #include <asm/io.h>
   17 
   18 #ifndef MAX_HWIFS
   19 # ifdef CONFIG_BLK_DEV_IDEPCI
   20 #define MAX_HWIFS       10
   21 # else
   22 #define MAX_HWIFS       6
   23 # endif
   24 #endif
   25 
   26 struct ide_ops {
   27         int (*ide_default_irq)(ide_ioreg_t base);
   28         ide_ioreg_t (*ide_default_io_base)(int index);
   29         void (*ide_init_hwif_ports)(hw_regs_t *hw, ide_ioreg_t data_port,
   30                                     ide_ioreg_t ctrl_port, int *irq);
   31 };
   32 
   33 extern struct ide_ops *ide_ops;
   34 
   35 static __inline__ int ide_default_irq(ide_ioreg_t base)
   36 {
   37         return ide_ops->ide_default_irq(base);
   38 }
   39 
   40 static __inline__ ide_ioreg_t ide_default_io_base(int index)
   41 {
   42         return ide_ops->ide_default_io_base(index);
   43 }
   44 
   45 static inline void ide_init_hwif_ports(hw_regs_t *hw, ide_ioreg_t data_port,
   46         ide_ioreg_t ctrl_port, int *irq)
   47 {
   48         ide_ops->ide_init_hwif_ports(hw, data_port, ctrl_port, irq);
   49 }
   50 
   51 static __inline__ void ide_init_default_hwifs(void)
   52 {
   53 #ifndef CONFIG_BLK_DEV_IDEPCI
   54         hw_regs_t hw;
   55         int index;
   56 
   57         for(index = 0; index < MAX_HWIFS; index++) {
   58                 memset(&hw, 0, sizeof hw);
   59                 ide_init_hwif_ports(&hw, ide_default_io_base(index), 0, NULL);
   60                 hw.irq = ide_default_irq(ide_default_io_base(index));
   61                 ide_register_hw(&hw, NULL);
   62         }
   63 #endif /* CONFIG_BLK_DEV_IDEPCI */
   64 }
   65 
   66 #ifdef CONFIG_PCMCIA_SIBYTE
   67 #define IDE_ARCH_ACK_INTR
   68 #define ide_ack_intr(hwif)    ((hwif)->hw.ack_intr ? (hwif)->hw.ack_intr(hwif) : 1)
   69 #endif
   70 
   71 #include <asm-generic/ide_iops.h>
   72 
   73 #endif /* __KERNEL__ */
   74 
   75 #endif /* __ASM_IDE_H */

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FreeBSD/Linux Kernel Cross Reference sys/include/asm-mips64/ide.h

FreeBSD/Linux Kernel Cross Reference
sys/include/asm-mips64/ide.h