Commit 9cf8572d authored by Mauro Carvalho Chehab's avatar Mauro Carvalho Chehab
Browse files

media: vidtv: increment byte and block counters



Add support for incrementing DVBv5 stats for block counters
and post/pre BER byte counts.

For now, the errors won't be incremented yet.

Signed-off-by: default avatarMauro Carvalho Chehab <mchehab+huawei@kernel.org>
parent f58cac01
Loading
Loading
Loading
Loading
+1 −1
Original line number Diff line number Diff line
@@ -172,7 +172,7 @@ static int vidtv_start_streaming(struct vidtv_dvb *dvb)
	mux_args.priv                        = dvb;

	dvb->streaming = true;
	dvb->mux = vidtv_mux_init(dev, mux_args);
	dvb->mux = vidtv_mux_init(dvb->fe[0], dev, mux_args);
	vidtv_mux_start_thread(dvb->mux);

	dev_dbg_ratelimited(dev, "Started streaming\n");
+3 −0
Original line number Diff line number Diff line
@@ -12,6 +12,9 @@
#ifndef VIDTV_BRIDGE_H
#define VIDTV_BRIDGE_H

/*
 * For now, only one frontend is supported. See vidtv_start_streaming()
 */
#define NUM_FE 1

#include <linux/i2c.h>
+15 −1
Original line number Diff line number Diff line
@@ -381,6 +381,7 @@ static void vidtv_mux_tick(struct work_struct *work)
	struct vidtv_mux *m = container_of(work,
					   struct vidtv_mux,
					   mpeg_thread);
	struct dtv_frontend_properties *c = &m->fe->dtv_property_cache;
	u32 nbytes;
	u32 npkts;

@@ -411,6 +412,17 @@ static void vidtv_mux_tick(struct work_struct *work)

		vidtv_mux_clear(m);

		/*
		 * Update bytes and packet counts at DVBv5 stats
		 *
		 * For now, both pre and post bit counts are identical,
		 * but post BER count can be lower than pre BER, if the error
		 * correction logic discards packages.
		 */
		c->pre_bit_count.stat[0].uvalue = nbytes;
		c->post_bit_count.stat[0].uvalue = nbytes;
		c->block_count.stat[0].uvalue += npkts;

		usleep_range(VIDTV_SLEEP_USECS, VIDTV_MAX_SLEEP_USECS);
	}
}
@@ -435,12 +447,14 @@ void vidtv_mux_stop_thread(struct vidtv_mux *m)
	}
}

struct vidtv_mux *vidtv_mux_init(struct device *dev,
struct vidtv_mux *vidtv_mux_init(struct dvb_frontend *fe,
				 struct device *dev,
				 struct vidtv_mux_init_args args)
{
	struct vidtv_mux *m = kzalloc(sizeof(*m), GFP_KERNEL);

	m->dev = dev;
	m->fe = fe;
	m->timing.pcr_period_usecs = args.pcr_period_usecs;
	m->timing.si_period_usecs  = args.si_period_usecs;

+5 −1
Original line number Diff line number Diff line
@@ -18,6 +18,8 @@
#include <linux/types.h>
#include <linux/hashtable.h>
#include <linux/workqueue.h>
#include <media/dvb_frontend.h>

#include "vidtv_psi.h"

/**
@@ -100,6 +102,7 @@ struct vidtv_mux_pid_ctx {
 * @priv: Private data.
 */
struct vidtv_mux {
	struct dvb_frontend *fe;
	struct device *dev;

	struct vidtv_mux_timing timing;
@@ -153,7 +156,8 @@ struct vidtv_mux_init_args {
	void *priv;
};

struct vidtv_mux *vidtv_mux_init(struct device *dev,
struct vidtv_mux *vidtv_mux_init(struct dvb_frontend *fe,
				 struct device *dev,
				 struct vidtv_mux_init_args args);
void vidtv_mux_destroy(struct vidtv_mux *m);