[media] dvb: the core logic to handle the DVBv5 QoS properties
Add the logic to poll, reset counters and report the QoS stats to the end user. The idea is that the core will periodically poll the frontend for the stats. The frontend may return -EBUSY, if the previous collect didn't finish, or it may fill the cached data. The value returned to the end user is always the cached data. Reviewed-by: Antti Palosaari <crope@iki.fi> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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2 changed files with 45 additions and 0 deletions
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@ -1053,6 +1053,16 @@ static struct dtv_cmds_h dtv_cmds[DTV_MAX_COMMAND + 1] = {
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_DTV_CMD(DTV_ATSCMH_SCCC_CODE_MODE_B, 0, 0),
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_DTV_CMD(DTV_ATSCMH_SCCC_CODE_MODE_B, 0, 0),
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_DTV_CMD(DTV_ATSCMH_SCCC_CODE_MODE_C, 0, 0),
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_DTV_CMD(DTV_ATSCMH_SCCC_CODE_MODE_C, 0, 0),
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_DTV_CMD(DTV_ATSCMH_SCCC_CODE_MODE_D, 0, 0),
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_DTV_CMD(DTV_ATSCMH_SCCC_CODE_MODE_D, 0, 0),
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/* Statistics API */
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_DTV_CMD(DTV_STAT_SIGNAL_STRENGTH, 0, 0),
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_DTV_CMD(DTV_STAT_CNR, 0, 0),
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_DTV_CMD(DTV_STAT_PRE_ERROR_BIT_COUNT, 0, 0),
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_DTV_CMD(DTV_STAT_PRE_TOTAL_BIT_COUNT, 0, 0),
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_DTV_CMD(DTV_STAT_POST_ERROR_BIT_COUNT, 0, 0),
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_DTV_CMD(DTV_STAT_POST_TOTAL_BIT_COUNT, 0, 0),
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_DTV_CMD(DTV_STAT_ERROR_BLOCK_COUNT, 0, 0),
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_DTV_CMD(DTV_STAT_TOTAL_BLOCK_COUNT, 0, 0),
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};
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};
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static void dtv_property_dump(struct dvb_frontend *fe, struct dtv_property *tvp)
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static void dtv_property_dump(struct dvb_frontend *fe, struct dtv_property *tvp)
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@ -1443,6 +1453,31 @@ static int dtv_property_process_get(struct dvb_frontend *fe,
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tvp->u.data = c->lna;
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tvp->u.data = c->lna;
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break;
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break;
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/* Fill quality measures */
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case DTV_STAT_SIGNAL_STRENGTH:
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tvp->u.st = c->strength;
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break;
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case DTV_STAT_CNR:
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tvp->u.st = c->cnr;
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break;
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case DTV_STAT_PRE_ERROR_BIT_COUNT:
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tvp->u.st = c->pre_bit_error;
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break;
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case DTV_STAT_PRE_TOTAL_BIT_COUNT:
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tvp->u.st = c->pre_bit_count;
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break;
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case DTV_STAT_POST_ERROR_BIT_COUNT:
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tvp->u.st = c->post_bit_error;
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break;
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case DTV_STAT_POST_TOTAL_BIT_COUNT:
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tvp->u.st = c->post_bit_count;
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break;
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case DTV_STAT_ERROR_BLOCK_COUNT:
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tvp->u.st = c->block_error;
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break;
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case DTV_STAT_TOTAL_BLOCK_COUNT:
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tvp->u.st = c->block_count;
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break;
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default:
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default:
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return -EINVAL;
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return -EINVAL;
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}
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}
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@ -393,6 +393,16 @@ struct dtv_frontend_properties {
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u8 atscmh_sccc_code_mode_d;
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u8 atscmh_sccc_code_mode_d;
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u32 lna;
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u32 lna;
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/* statistics data */
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struct dtv_fe_stats strength;
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struct dtv_fe_stats cnr;
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struct dtv_fe_stats pre_bit_error;
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struct dtv_fe_stats pre_bit_count;
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struct dtv_fe_stats post_bit_error;
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struct dtv_fe_stats post_bit_count;
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struct dtv_fe_stats block_error;
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struct dtv_fe_stats block_count;
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};
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};
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struct dvb_frontend {
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struct dvb_frontend {
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