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/*

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

 */

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

#ifndef __ASSEMBLY__

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

                                 */

};

extern volatile struct baboon *baboon;

#endif /* __ASSEMBLY **/