From patchwork Tue Dec 23 20:49:32 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Antti Palosaari X-Patchwork-Id: 5534951 Return-Path: X-Original-To: patchwork-linux-media@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 99D96BEEA8 for ; Tue, 23 Dec 2014 20:50:43 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id AF8B3200F4 for ; Tue, 23 Dec 2014 20:50:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id BE9612011D for ; Tue, 23 Dec 2014 20:50:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756665AbaLWUuh (ORCPT ); Tue, 23 Dec 2014 15:50:37 -0500 Received: from mail.kapsi.fi ([217.30.184.167]:39175 "EHLO mail.kapsi.fi" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756643AbaLWUud (ORCPT ); Tue, 23 Dec 2014 15:50:33 -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 1Y3WPY-0004tE-HW; Tue, 23 Dec 2014 22:50:32 +0200 From: Antti Palosaari To: linux-media@vger.kernel.org Cc: Antti Palosaari Subject: [PATCH 39/66] rtl2832: implement PID filter Date: Tue, 23 Dec 2014 22:49:32 +0200 Message-Id: <1419367799-14263-39-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 Implement PID filter. This demod has PID filter size of 32 PIDs. Signed-off-by: Antti Palosaari --- drivers/media/dvb-frontends/rtl2832.c | 69 ++++++++++++++++++++++++++++++ drivers/media/dvb-frontends/rtl2832.h | 2 + drivers/media/dvb-frontends/rtl2832_priv.h | 1 + 3 files changed, 72 insertions(+) diff --git a/drivers/media/dvb-frontends/rtl2832.c b/drivers/media/dvb-frontends/rtl2832.c index b80e1c0..b8e7971 100644 --- a/drivers/media/dvb-frontends/rtl2832.c +++ b/drivers/media/dvb-frontends/rtl2832.c @@ -1145,6 +1145,73 @@ err: return ret; } +static int rtl2832_pid_filter_ctrl(struct dvb_frontend *fe, int onoff) +{ + struct rtl2832_dev *dev = fe->demodulator_priv; + struct i2c_client *client = dev->client; + int ret; + u8 u8tmp; + + dev_dbg(&client->dev, "onoff=%d\n", onoff); + + /* enable / disable PID filter */ + if (onoff) + u8tmp = 0x80; + else + u8tmp = 0x00; + + ret = rtl2832_update_bits(client, 0x061, 0xc0, u8tmp); + if (ret) + goto err; + + return 0; +err: + dev_dbg(&client->dev, "failed=%d\n", ret); + return ret; +} + +static int rtl2832_pid_filter(struct dvb_frontend *fe, u8 index, u16 pid, + int onoff) +{ + struct rtl2832_dev *dev = fe->demodulator_priv; + struct i2c_client *client = dev->client; + int ret; + u8 buf[4]; + + dev_dbg(&client->dev, "index=%d pid=%04x onoff=%d\n", + index, pid, onoff); + + /* skip invalid PIDs (0x2000) */ + if (pid > 0x1fff || index > 32) + return 0; + + if (onoff) + set_bit(index, &dev->filters); + else + clear_bit(index, &dev->filters); + + /* enable / disable PIDs */ + buf[0] = (dev->filters >> 0) & 0xff; + buf[1] = (dev->filters >> 8) & 0xff; + buf[2] = (dev->filters >> 16) & 0xff; + buf[3] = (dev->filters >> 24) & 0xff; + ret = rtl2832_bulk_write(client, 0x062, buf, 4); + if (ret) + goto err; + + /* add PID */ + buf[0] = (pid >> 8) & 0xff; + buf[1] = (pid >> 0) & 0xff; + ret = rtl2832_bulk_write(client, 0x066 + 2 * index, buf, 2); + if (ret) + goto err; + + return 0; +err: + dev_dbg(&client->dev, "failed=%d\n", ret); + return ret; +} + static int rtl2832_probe(struct i2c_client *client, const struct i2c_device_id *id) { @@ -1240,6 +1307,8 @@ static int rtl2832_probe(struct i2c_client *client, pdata->get_i2c_adapter = rtl2832_get_i2c_adapter_; pdata->get_private_i2c_adapter = rtl2832_get_private_i2c_adapter_; pdata->enable_slave_ts = rtl2832_enable_slave_ts; + pdata->pid_filter = rtl2832_pid_filter; + pdata->pid_filter_ctrl = rtl2832_pid_filter_ctrl; dev_info(&client->dev, "Realtek RTL2832 successfully attached\n"); return 0; diff --git a/drivers/media/dvb-frontends/rtl2832.h b/drivers/media/dvb-frontends/rtl2832.h index 35e86e6..e79c479 100644 --- a/drivers/media/dvb-frontends/rtl2832.h +++ b/drivers/media/dvb-frontends/rtl2832.h @@ -78,6 +78,8 @@ struct rtl2832_platform_data { struct i2c_adapter* (*get_i2c_adapter)(struct i2c_client *); struct i2c_adapter* (*get_private_i2c_adapter)(struct i2c_client *); int (*enable_slave_ts)(struct i2c_client *); + int (*pid_filter)(struct dvb_frontend *, u8, u16, int); + int (*pid_filter_ctrl)(struct dvb_frontend *, int); }; #endif /* RTL2832_H */ diff --git a/drivers/media/dvb-frontends/rtl2832_priv.h b/drivers/media/dvb-frontends/rtl2832_priv.h index 6f3fe77..216e905 100644 --- a/drivers/media/dvb-frontends/rtl2832_priv.h +++ b/drivers/media/dvb-frontends/rtl2832_priv.h @@ -41,6 +41,7 @@ struct rtl2832_dev { u64 post_bit_count; bool sleeping; struct delayed_work i2c_gate_work; + unsigned long filters; /* PID filter */ }; struct rtl2832_reg_entry {