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wcb4xxp: Add support for zarlink echocan 

Introduces support for new series b43x cards which make use of the zarlink echo
canceller. Made as few changes to the b410 operation as possible, but the
critical region had some cleanups, so it may be a bit more performant.

Signed-off-by: Russ Meyerriecks <rmeyerriecks@digium.com>
This commit is contained in:
Russ Meyerriecks 2014-12-19 13:50:01 -06:00
parent ae5fa08abd
commit a008cc03b7
2 changed files with 547 additions and 162 deletions
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699
drivers/dahdi/wcb4xxp/base.c
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File diff suppressed because it is too large Load Diff

10
drivers/dahdi/wcb4xxp/wcb4xxp.h
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@ -248,8 +248,8 @@
#define V_ROUT_TX_STIO2 (0x3 << 6) /* output data to STIO2 */
#define V_ROUT_RX_DIS (0x0 << 6) /* disabled, input data ignored */
#define V_ROUT_RX_LOOP (0x1 << 6) /* internally looped, input data ignored */
#define V_ROUT_RX_STIO2 (0x2 << 6) /* channel data comes from STIO1 */
#define V_ROUT_RX_STIO1 (0x3 << 6) /* channel data comes from STIO2 */
#define V_ROUT_RX_STIO2 (0x2 << 6) /* channel data from STIO2 */
#define V_ROUT_RX_STIO1 (0x3 << 6) /* channel data from STIO1 */
#define V_CH_SNUM_SHIFT (1)
#define V_CH_SNUM_MASK (31 << 1)
@ -385,7 +385,8 @@
struct b4xxp_span {
struct b4xxp *parent;
int port; /* which S/T port this span belongs to */
int port; /* virtual port */
int phy_port; /* physical port */
unsigned char writechunk[WCB4XXP_CHANNELS_PER_SPAN * DAHDI_CHUNKSIZE];
unsigned char readchunk[WCB4XXP_CHANNELS_PER_SPAN * DAHDI_CHUNKSIZE];
@ -426,7 +427,8 @@ enum cards_ids { /* Cards ==> Brand & Model */
BN4S0, /* Beronet BN4S0 */
BN8S0, /* BeroNet BN8S0 */
BSWYX_SX2, /* Swyx 4xS0 SX2 QuadBri */
QUADBRI_EVAL /* HFC-4S CCD Eval. Board */
QUADBRI_EVAL, /* HFC-4S CCD Eval. Board */
B430P /* Digium B430P */
};
/* This structure exists one per card */