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mac_baboon.h

/*
 * Definitions for the "Baboon" custom IC on the PowerBook 190.
 */

#define BABOON_BASE (0x50F1A000)    /* same as IDE controller base */

#ifndef __ASSEMBLY__

00009 struct baboon {
      char  pad1[208];  /* generic IDE registers, not used here */
      short mb_control; /* Control register:
                         * bit 5 : slot 2 power control
                         * bit 6 : slot 1 power control
                         */
      char  pad2[2];
      short mb_status;  /* (0xD4) media bay status register:
                         *
                         * bit 0: ????
                         * bit 1: IDE interrupt active?
                         * bit 2: bay status, 0 = full, 1 = empty
                         * bit 3: ????
                         */
      char  pad3[2];    /* (0xD6) not used */
      short mb_ifr;           /* (0xD8) media bay interrupt flags register:
                         *
                         * bit 0: ????
                         * bit 1: IDE controller interrupt
                         * bit 2: media bay status change interrupt
                         */
};

#endif /* __ASSEMBLY **/

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