| b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame^] | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 2 | /* |
| 3 | * ADB through the IOP |
| 4 | * Written by Joshua M. Thompson |
| 5 | */ |
| 6 | |
| 7 | /* IOP number and channel number for ADB */ |
| 8 | |
| 9 | #define ADB_IOP IOP_NUM_ISM |
| 10 | #define ADB_CHAN 2 |
| 11 | |
| 12 | /* From the A/UX headers...maybe important, maybe not */ |
| 13 | |
| 14 | #define ADB_IOP_LISTEN 0x01 |
| 15 | #define ADB_IOP_TALK 0x02 |
| 16 | #define ADB_IOP_EXISTS 0x04 |
| 17 | #define ADB_IOP_FLUSH 0x08 |
| 18 | #define ADB_IOP_RESET 0x10 |
| 19 | #define ADB_IOP_INT 0x20 |
| 20 | #define ADB_IOP_POLL 0x40 |
| 21 | #define ADB_IOP_UNINT 0x80 |
| 22 | |
| 23 | #define AIF_RESET 0x00 |
| 24 | #define AIF_FLUSH 0x01 |
| 25 | #define AIF_LISTEN 0x08 |
| 26 | #define AIF_TALK 0x0C |
| 27 | |
| 28 | /* Flag bits in struct adb_iopmsg */ |
| 29 | |
| 30 | #define ADB_IOP_EXPLICIT 0x80 /* nonzero if explicit command */ |
| 31 | #define ADB_IOP_AUTOPOLL 0x40 /* auto/SRQ polling enabled */ |
| 32 | #define ADB_IOP_SRQ 0x04 /* SRQ detected */ |
| 33 | #define ADB_IOP_TIMEOUT 0x02 /* nonzero if timeout */ |
| 34 | |
| 35 | #ifndef __ASSEMBLY__ |
| 36 | |
| 37 | struct adb_iopmsg { |
| 38 | __u8 flags; /* ADB flags */ |
| 39 | __u8 count; /* no. of data bytes */ |
| 40 | __u8 cmd; /* ADB command */ |
| 41 | __u8 data[8]; /* ADB data */ |
| 42 | __u8 spare[21]; /* spare */ |
| 43 | }; |
| 44 | |
| 45 | #endif /* __ASSEMBLY__ */ |