Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 204f4319 authored by Antti Palosaari's avatar Antti Palosaari Committed by Mauro Carvalho Chehab
Browse files

[media] af9033: implement DVBv5 stat block counters 



Implement following API commands:
DTV_STAT_ERROR_BLOCK_COUNT
DTV_STAT_TOTAL_BLOCK_COUNT

These returns total and uncorrected error packets from outer FEC.

Signed-off-by: default avatarAntti Palosaari <crope@iki.fi>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@osg.samsung.com>
parent 6b457786

drivers/media/dvb-frontends/af9033.c

+32 −1
Original line number Diff line number Diff line
@@ -38,6 +38,8 @@ struct af9033_dev { 
	fe_status_t fe_status;

	u32 ber;

	u32 ucb;

	u64 error_block_count;

	u64 total_block_count;

	struct delayed_work stat_work;

	unsigned long last_stat_check;

};
@@ -1015,7 +1017,7 @@ static void af9033_stat_work(struct work_struct *work) 
	struct af9033_dev *dev = container_of(work, struct af9033_dev, stat_work.work);

	struct dtv_frontend_properties *c = &dev->fe.dtv_property_cache;

	int ret, tmp, i, len;

	u8 u8tmp, buf[3];

	u8 u8tmp, buf[7];



	dev_dbg(&dev->client->dev, "\n");
@@ -1087,6 +1089,35 @@ static void af9033_stat_work(struct work_struct *work) 
		c->cnr.stat[0].scale = FE_SCALE_NOT_AVAILABLE;

	}



	/* UCB/PER/BER */

	if (dev->fe_status & FE_HAS_LOCK) {

		/* outer FEC, 204 byte packets */

		u16 abort_packet_count, rsd_packet_count;



		/*

		 * Packet count used for measurement is 10000

		 * (rsd_packet_count). Maybe it should be increased?

		 */



		ret = af9033_rd_regs(dev, 0x800032, buf, 7);

		if (ret)

			goto err;



		abort_packet_count = (buf[1] << 8) | (buf[0] << 0);

		rsd_packet_count = (buf[6] << 8) | (buf[5] << 0);



		dev->error_block_count += abort_packet_count;

		dev->total_block_count += rsd_packet_count;



		c->block_count.len = 1;

		c->block_count.stat[0].scale = FE_SCALE_COUNTER;

		c->block_count.stat[0].uvalue = dev->total_block_count;



		c->block_error.len = 1;

		c->block_error.stat[0].scale = FE_SCALE_COUNTER;

		c->block_error.stat[0].uvalue = dev->error_block_count;

	}



err_schedule_delayed_work:

	schedule_delayed_work(&dev->stat_work, msecs_to_jiffies(2000));

	return;