diff options
Diffstat (limited to 'include/asm-ppc/adb.h')
| -rw-r--r-- | include/asm-ppc/adb.h | 47 |
1 files changed, 41 insertions, 6 deletions
diff --git a/include/asm-ppc/adb.h b/include/asm-ppc/adb.h index 58fcb8abe..c13b67bb5 100644 --- a/include/asm-ppc/adb.h +++ b/include/asm-ppc/adb.h @@ -21,6 +21,16 @@ #define ADB_RET_OK 0 #define ADB_RET_TIMEOUT 3 +/* The kind of ADB request. The controller may emulate some + of all of those CUDA/PMU packet kinds */ +#define ADB_PACKET 0 +#define CUDA_PACKET 1 +#define ERROR_PACKET 2 +#define TIMER_PACKET 3 +#define POWER_PACKET 4 +#define MACIIC_PACKET 5 +#define PMU_PACKET 6 + #ifdef __KERNEL__ struct adb_request { @@ -41,25 +51,50 @@ struct adb_ids { unsigned char id[16]; }; -extern enum adb_hw { - ADB_NONE, ADB_VIACUDA, ADB_VIAPMU, ADB_MACIO -} adb_hardware; +/* Messages sent thru the client_list notifier. You should NOT stop + the operation, at least not with this version */ +enum adb_message { + ADB_MSG_POWERDOWN, /* Currently called before sleep only */ + ADB_MSG_PRE_RESET, /* Called before resetting the bus */ + ADB_MSG_POST_RESET /* Called after resetting the bus (re-do init & register) */ +}; +extern struct notifier_block *adb_client_list; + +/* Kind of ADB controller */ +enum adb_hw { + ADB_NONE, ADB_VIACUDA, ADB_VIAPMU, ADB_MACIO, ADB_UNKNOWN +}; -extern int (*adb_send_request)(struct adb_request *req, int sync); -extern int (*adb_autopoll)(int devs); -extern int (*adb_reset_bus)(void); +/* Definition of a controller */ +extern struct adb_controller { + enum adb_hw kind; + + int (*send_request)(struct adb_request *req, int sync); + int (*autopoll)(int devs); + int (*reset_bus)(void); + void (*poll)(void); +} *adb_controller; +extern enum adb_hw adb_hardware; /* Values for adb_request flags */ #define ADBREQ_REPLY 1 /* expect reply */ #define ADBREQ_SYNC 2 /* poll until done */ void adb_init(void); + int adb_request(struct adb_request *req, void (*done)(struct adb_request *), int flags, int nbytes, ...); int adb_register(int default_id,int handler_id,struct adb_ids *ids, void (*handler)(unsigned char *, int, struct pt_regs *, int)); void adb_input(unsigned char *, int, struct pt_regs *, int); +int adb_try_handler_change(int address, int new_id); +int adb_get_infos(int address, int *original_address, int *handler_id); + +int adb_reset_bus(void); + +void adb_poll(void); + #endif /* __KERNEL__ */ #endif /* __PPC_ADB_H */ |