From patchwork Tue Dec 23 20:49:08 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Antti Palosaari X-Patchwork-Id: 5535201 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 912AA9F326 for ; Tue, 23 Dec 2014 20:51:31 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id CD1B020121 for ; Tue, 23 Dec 2014 20:51:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 040A32011D for ; Tue, 23 Dec 2014 20:51:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756632AbaLWUub (ORCPT ); Tue, 23 Dec 2014 15:50:31 -0500 Received: from mail.kapsi.fi ([217.30.184.167]:41174 "EHLO mail.kapsi.fi" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756612AbaLWUu3 (ORCPT ); Tue, 23 Dec 2014 15:50:29 -0500 Received: from dyn3-82-128-190-202.psoas.suomi.net ([82.128.190.202] helo=localhost.localdomain.localdomain) by mail.kapsi.fi with esmtpsa (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.72) (envelope-from ) id 1Y3WPU-0004tE-13; Tue, 23 Dec 2014 22:50:28 +0200 From: Antti Palosaari To: linux-media@vger.kernel.org Cc: Antti Palosaari Subject: [PATCH 15/66] rtl2830: implement DVBv5 BER statistic Date: Tue, 23 Dec 2014 22:49:08 +0200 Message-Id: <1419367799-14263-15-git-send-email-crope@iki.fi> X-Mailer: git-send-email 2.1.0 In-Reply-To: <1419367799-14263-1-git-send-email-crope@iki.fi> References: <1419367799-14263-1-git-send-email-crope@iki.fi> X-SA-Exim-Connect-IP: 82.128.190.202 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=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable 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 DVBv5 BER. Signed-off-by: Antti Palosaari --- drivers/media/dvb-frontends/rtl2830.c | 25 +++++++++++++++++++++++++ drivers/media/dvb-frontends/rtl2830_priv.h | 2 ++ 2 files changed, 27 insertions(+) diff --git a/drivers/media/dvb-frontends/rtl2830.c b/drivers/media/dvb-frontends/rtl2830.c index 641047b..147b3a6 100644 --- a/drivers/media/dvb-frontends/rtl2830.c +++ b/drivers/media/dvb-frontends/rtl2830.c @@ -250,6 +250,10 @@ static int rtl2830_init(struct dvb_frontend *fe) c->strength.stat[0].scale = FE_SCALE_NOT_AVAILABLE; c->cnr.len = 1; c->cnr.stat[0].scale = FE_SCALE_NOT_AVAILABLE; + c->post_bit_error.len = 1; + c->post_bit_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE; + c->post_bit_count.len = 1; + c->post_bit_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE; /* start statistics polling */ schedule_delayed_work(&dev->stat_work, msecs_to_jiffies(2000)); @@ -759,6 +763,27 @@ static void rtl2830_stat_work(struct work_struct *work) c->cnr.stat[0].scale = FE_SCALE_NOT_AVAILABLE; } + /* BER */ + if (dev->fe_status & FE_HAS_LOCK) { + ret = rtl2830_rd_regs(client, 0x34e, buf, 2); + if (ret) + goto err; + + u16tmp = buf[0] << 8 | buf[1] << 0; + dev->post_bit_error += u16tmp; + dev->post_bit_count += 1000000; + + dev_dbg(&client->dev, "BER errors=%u total=1000000\n", u16tmp); + + c->post_bit_error.stat[0].scale = FE_SCALE_COUNTER; + c->post_bit_error.stat[0].uvalue = dev->post_bit_error; + c->post_bit_count.stat[0].scale = FE_SCALE_COUNTER; + c->post_bit_count.stat[0].uvalue = dev->post_bit_count; + } else { + c->post_bit_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE; + c->post_bit_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE; + } + err_schedule_delayed_work: schedule_delayed_work(&dev->stat_work, msecs_to_jiffies(2000)); return; diff --git a/drivers/media/dvb-frontends/rtl2830_priv.h b/drivers/media/dvb-frontends/rtl2830_priv.h index 7cf316d..cdcaacf 100644 --- a/drivers/media/dvb-frontends/rtl2830_priv.h +++ b/drivers/media/dvb-frontends/rtl2830_priv.h @@ -32,6 +32,8 @@ struct rtl2830_dev { u8 page; /* active register page */ struct delayed_work stat_work; fe_status_t fe_status; + u64 post_bit_error; + u64 post_bit_count; }; struct rtl2830_reg_val_mask {