| /* |
| * 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 **/ |
