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- /* SPDX-License-Identifier: GPL-2.0 */
- /*
- * 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 int baboon_present;
- extern void baboon_register_interrupts(void);
- extern void baboon_irq_enable(int);
- extern void baboon_irq_disable(int);
- #endif /* __ASSEMBLY **/
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