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Commit 6bb096c9 authored by Antti Palosaari's avatar Antti Palosaari Committed by Mauro Carvalho Chehab
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[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: default avatarAntti Palosaari <crope@iki.fi>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@osg.samsung.com>
parent 204f4319

drivers/media/dvb-frontends/af9033.c

+15 −0
Original line number Original line Diff line number Diff line
@@ -38,6 +38,8 @@ struct af9033_dev { 
	fe_status_t fe_status;

	fe_status_t fe_status;

	u32 ber;

	u32 ber;

	u32 ucb;

	u32 ucb;

	u64 post_bit_error;

	u64 post_bit_count;

	u64 error_block_count;

	u64 error_block_count;

	u64 total_block_count;

	u64 total_block_count;

	struct delayed_work stat_work;

	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) {

	if (dev->fe_status & FE_HAS_LOCK) {

		/* outer FEC, 204 byte packets */

		/* outer FEC, 204 byte packets */

		u16 abort_packet_count, rsd_packet_count;

		u16 abort_packet_count, rsd_packet_count;

		/* inner FEC, bits */

		u32 rsd_bit_err_count;





		/*

		/*

		 * Packet count used for measurement is 10000

		 * Packet count used for measurement is 10000
@@ -1104,10 +1108,13 @@ static void af9033_stat_work(struct work_struct *work) 
			goto err;

			goto err;





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

		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);

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





		dev->error_block_count += abort_packet_count;

		dev->error_block_count += abort_packet_count;

		dev->total_block_count += rsd_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.len = 1;

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

		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.len = 1;

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

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

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

		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:

err_schedule_delayed_work: