diff options
Diffstat (limited to 'drivers/dahdi/xpp/xbus-core.h')
| -rw-r--r-- | drivers/dahdi/xpp/xbus-core.h | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/dahdi/xpp/xbus-core.h b/drivers/dahdi/xpp/xbus-core.h index 659d3d4..b781e94 100644 --- a/drivers/dahdi/xpp/xbus-core.h +++ b/drivers/dahdi/xpp/xbus-core.h @@ -156,6 +156,28 @@ void put_xbus(const char *msg, xbus_t *xbus); int refcount_xbus(xbus_t *xbus); /* + * Echo canceller related data + */ +#define ECHO_TIMESLOTS 128 + +struct echoops { + int (*ec_set)(xpd_t *xpd, int pos, bool on); + int (*ec_get)(xpd_t *xpd, int pos); + int (*ec_update)(xbus_t *xbus); + void (*ec_dump)(xbus_t *xbus); +}; + +struct xbus_echo_state { + const struct echoops *echoops; + byte timeslots[ECHO_TIMESLOTS]; + int xpd_idx; + struct device_attribute *da[MAX_XPDS]; +}; +#define ECHOOPS(xbus) ((xbus)->echo_state.echoops) +#define EC_METHOD(name, xbus) (ECHOOPS(xbus)->name) +#define CALL_EC_METHOD(name, xbus, ...) (EC_METHOD(name, (xbus))(__VA_ARGS__)) + +/* * An xbus is a transport layer for Xorcom Protocol commands */ struct xbus { @@ -169,6 +191,7 @@ struct xbus { int num; struct xpd *xpds[MAX_XPDS]; + struct xbus_echo_state echo_state; int command_tick_counter; int usec_nosend; /* Firmware flow control */ @@ -311,6 +334,7 @@ int xbus_xpd_unbind(xbus_t *xbus, xpd_t *xpd); /* sysfs */ int xpd_device_register(xbus_t *xbus, xpd_t *xpd); void xpd_device_unregister(xpd_t *xpd); +int echocancel_xpd(xpd_t *xpd, int on); int xpp_driver_init(void); void xpp_driver_exit(void); |