1 /*
2  * Definitions for the "Baboon" custom IC on the PowerBook 190.
3  */
4 
5 #define BABOON_BASE (0x50F1A000)	/* same as IDE controller base */
6 
7 #ifndef __ASSEMBLY__
8 
9 struct baboon {
10 	char	pad1[208];	/* generic IDE registers, not used here */
11 	short	mb_control;	/* Control register:
12 				 * bit 5 : slot 2 power control
13 				 * bit 6 : slot 1 power control
14 				 */
15 	char	pad2[2];
16 	short	mb_status;	/* (0xD4) media bay status register:
17 				 *
18 				 * bit 0: ????
19 				 * bit 1: IDE interrupt active?
20 				 * bit 2: bay status, 0 = full, 1 = empty
21 				 * bit 3: ????
22 				 */
23 	char	pad3[2];	/* (0xD6) not used */
24 	short	mb_ifr;		/* (0xD8) media bay interrupt flags register:
25 				 *
26 				 * bit 0: ????
27 				 * bit 1: IDE controller interrupt
28 				 * bit 2: media bay status change interrupt
29 				 */
30 };
31 
32 extern volatile struct baboon *baboon;
33 
34 #endif /* __ASSEMBLY **/
35