From patchwork Thu Sep 4 02:36:41 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Antti Palosaari X-Patchwork-Id: 4842381 Return-Path: X-Original-To: patchwork-linux-media@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id BEB649F2EC for ; Thu, 4 Sep 2014 02:37:35 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id D7F1820200 for ; Thu, 4 Sep 2014 02:37:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 14671201EF for ; Thu, 4 Sep 2014 02:37:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757127AbaIDCh1 (ORCPT ); Wed, 3 Sep 2014 22:37:27 -0400 Received: from mail.kapsi.fi ([217.30.184.167]:45760 "EHLO mail.kapsi.fi" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757090AbaIDChE (ORCPT ); Wed, 3 Sep 2014 22:37:04 -0400 Received: from dyn3-82-128-191-243.psoas.suomi.net ([82.128.191.243] helo=localhost.localdomain) by mail.kapsi.fi with esmtpsa (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.72) (envelope-from ) id 1XPMv1-0004Z7-Kl; Thu, 04 Sep 2014 05:37:03 +0300 From: Antti Palosaari To: linux-media@vger.kernel.org Cc: Antti Palosaari Subject: [PATCH 33/37] af9033: implement DVBv5 stat block counters Date: Thu, 4 Sep 2014 05:36:41 +0300 Message-Id: <1409798205-25645-33-git-send-email-crope@iki.fi> X-Mailer: git-send-email 1.9.3 In-Reply-To: <1409798205-25645-1-git-send-email-crope@iki.fi> References: <1409798205-25645-1-git-send-email-crope@iki.fi> X-SA-Exim-Connect-IP: 82.128.191.243 X-SA-Exim-Mail-From: crope@iki.fi X-SA-Exim-Scanned: No (on mail.kapsi.fi); SAEximRunCond expanded to false Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-Spam-Status: No, score=-8.6 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP 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: Antti Palosaari --- drivers/media/dvb-frontends/af9033.c | 33 ++++++++++++++++++++++++++++++++- 1 file changed, 32 insertions(+), 1 deletion(-) diff --git a/drivers/media/dvb-frontends/af9033.c b/drivers/media/dvb-frontends/af9033.c index 4c20616..7b85346 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 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;