[media] af9033: implement DVBv5 post-Viterbi BER
Implement following DTV API commands:
DTV_STAT_POST_ERROR_BIT_COUNT
DTV_STAT_POST_TOTAL_BIT_COUNT
These will provide post-Viterbi bit error rate reporting.
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
diff --git a/drivers/media/dvb-frontends/af9033.c b/drivers/media/dvb-frontends/af9033.c
index 7b85346..b6b90e6 100644
--- a/drivers/media/dvb-frontends/af9033.c
+++ b/drivers/media/dvb-frontends/af9033.c
@@ -38,6 +38,8 @@
fe_status_t fe_status;
u32 ber;
u32 ucb;
+ u64 post_bit_error;
+ u64 post_bit_count;
u64 error_block_count;
u64 total_block_count;
struct delayed_work stat_work;
@@ -1093,6 +1095,8 @@
if (dev->fe_status & FE_HAS_LOCK) {
/* outer FEC, 204 byte packets */
u16 abort_packet_count, rsd_packet_count;
+ /* inner FEC, bits */
+ u32 rsd_bit_err_count;
/*
* Packet count used for measurement is 10000
@@ -1104,10 +1108,13 @@
goto err;
abort_packet_count = (buf[1] << 8) | (buf[0] << 0);
+ rsd_bit_err_count = (buf[4] << 16) | (buf[3] << 8) | buf[2];
rsd_packet_count = (buf[6] << 8) | (buf[5] << 0);
dev->error_block_count += abort_packet_count;
dev->total_block_count += rsd_packet_count;
+ dev->post_bit_error += rsd_bit_err_count;
+ dev->post_bit_count += rsd_packet_count * 204 * 8;
c->block_count.len = 1;
c->block_count.stat[0].scale = FE_SCALE_COUNTER;
@@ -1116,6 +1123,14 @@
c->block_error.len = 1;
c->block_error.stat[0].scale = FE_SCALE_COUNTER;
c->block_error.stat[0].uvalue = dev->error_block_count;
+
+ c->post_bit_count.len = 1;
+ c->post_bit_count.stat[0].scale = FE_SCALE_COUNTER;
+ c->post_bit_count.stat[0].uvalue = dev->post_bit_count;
+
+ c->post_bit_error.len = 1;
+ c->post_bit_error.stat[0].scale = FE_SCALE_COUNTER;
+ c->post_bit_error.stat[0].uvalue = dev->post_bit_error;
}
err_schedule_delayed_work:
