From 6bb096c92671cad4a8cfcb8bf2a5309a9033faee Mon Sep 17 00:00:00 2001 From: Antti Palosaari Date: Tue, 2 Sep 2014 08:29:46 -0300 Subject: [PATCH] [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 Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb-frontends/af9033.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/drivers/media/dvb-frontends/af9033.c b/drivers/media/dvb-frontends/af9033.c index 7b853469bb3b..b6b90e61ed83 100644 --- a/drivers/media/dvb-frontends/af9033.c +++ b/drivers/media/dvb-frontends/af9033.c @@ -38,6 +38,8 @@ struct af9033_dev { 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 @@ static void af9033_stat_work(struct work_struct *work) 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 @@ static void af9033_stat_work(struct work_struct *work) 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 @@ static void af9033_stat_work(struct work_struct *work) 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: -- 2.30.2