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| author | Antti Palosaari <crope@iki.fi> | 2014-09-02 11:29:46 (GMT) |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@osg.samsung.com> | 2014-09-21 22:46:22 (GMT) |
| commit | 6bb096c92671cad4a8cfcb8bf2a5309a9033faee (patch) | |
| tree | 8a84aba0c81dd0894ddaf683a4b1dfe3a96834f8 /drivers/media/dvb-frontends | |
| parent | 204f4319289fcd45ae2d059a4cfc200c7754b050 (diff) | |
| download | linux-6bb096c92671cad4a8cfcb8bf2a5309a9033faee.tar.xz | |
[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>
Diffstat (limited to 'drivers/media/dvb-frontends')
| -rw-r--r-- | drivers/media/dvb-frontends/af9033.c | 15 |
1 files changed, 15 insertions, 0 deletions
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 @@ 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: |