From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id DB433C4360C for ; Thu, 3 Oct 2019 03:18:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A8782222C2 for ; Thu, 3 Oct 2019 03:18:23 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="tMvE7YRb" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728469AbfJCDSV (ORCPT ); Wed, 2 Oct 2019 23:18:21 -0400 Received: from mail-oi1-f181.google.com ([209.85.167.181]:35708 "EHLO mail-oi1-f181.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728457AbfJCDSU (ORCPT ); Wed, 2 Oct 2019 23:18:20 -0400 Received: by mail-oi1-f181.google.com with SMTP id x3so1303899oig.2 for ; Wed, 02 Oct 2019 20:18:19 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=0WW8qosWPZ27k6dcTtf0UXcKyKZhMzhJRkN9/PbFq+M=; b=tMvE7YRbgvd8F72EPVGuWrhtO1xE0juoovmvdRmASkRoIdin8o0oHmjubYZVDdaR39 C9HKdED/llKyg2N7Dv8BGn7MS/QyTxQEB/R72YZ+fPblyrQ6mUIARWJdRlY4BsAT0498 K0+mKArlBAwLkFOtN8GnZsXAQHeQKlbvC/JMaIlxRYiUaGyV7wFzUY2KHHfcgSC7g3Tx 4V7pKN3se6s1bpTNGwm6SyqB16JOR2MfzIw4L1FKx4Fg8Bf7mLkXF/uYwM6+3P3KuN0s OSheMlShAJDuzF33RDOImSktc7qTya8316DLubSUat9j4F9cTkTXZkgwpBShXNPt1oZx NTvA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=0WW8qosWPZ27k6dcTtf0UXcKyKZhMzhJRkN9/PbFq+M=; b=VyHRB8TmIpMRrfRMF7rtr/gV/jpPIugYDTlUHlR4xJ5vCdGN6yEiLiPNLNAoJGu7sk BVSmmLvL7sptWdCPTJp3myrFi1gPkKQwq9eooMSl8kB/ZmVrrjbVn3RCUnA+y5yWrJeS 4lTypC38nbJhTa6DgYBlD6qpgiVSg07/YMjTdeCqo+pbpLkcuo7waoGPSaz4SyQJFvQw 3kVaW194Ok+RZYFT2hlX+SlaTcwEDBYW9dCt+twgiP5yipoXRjmOKGBGBQTh3t5g6XIP EtZQFQiufQxoJ0nX95c3X9qCrWChW6d/BOeIikpiokaOyTMwm9QLf2oNr4XU5aCM99/B YO4g== X-Gm-Message-State: APjAAAWpxBHK+giURpNyKVegDuQtBkrIewCvtUYw179AnS/auX0Mcj/K ZqwkFmRGOdv9BzJKK2ajaRGT1Nic X-Google-Smtp-Source: APXvYqxL+kOePJiUfJQaHZp4EzgiUuvnyHJEG+5bygvinmX9TzePcoeL+4UUIyFwa9XswYMyOoKCtg== X-Received: by 2002:aca:ed15:: with SMTP id l21mr1085819oih.158.1570072699372; Wed, 02 Oct 2019 20:18:19 -0700 (PDT) Received: from rYz3n.attlocal.net ([2600:1700:210:3790::40]) by smtp.googlemail.com with ESMTPSA id w20sm431301otk.73.2019.10.02.20.18.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 02 Oct 2019 20:18:18 -0700 (PDT) From: Jiunn Chang To: linux-media@vger.kernel.org, linux-kernel-mentees@lists.linuxfoundation.org Cc: hverkuil@xs4all.nl Subject: [PATCH v5 1/2] cec-follower: add tuner step increment/decrement Date: Wed, 2 Oct 2019 22:18:15 -0500 Message-Id: <20191003031816.168985-2-c0d1n61at3@gmail.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20191001031823.312020-1-c0d1n61at3@gmail.com> References: <20191001031823.312020-1-c0d1n61at3@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Tuner step feature will select the next highest or lowest service frequency. There are a total of three possible frequencies given a broadcast type and system for a total of 81 analog channels. Opcodes implemented: - - Signed-off-by: Jiunn Chang --- utils/cec-follower/cec-follower.cpp | 2 +- utils/cec-follower/cec-follower.h | 3 +- utils/cec-follower/cec-tuner.cpp | 67 ++++++++++++++++++++++------- 3 files changed, 55 insertions(+), 17 deletions(-) diff --git a/utils/cec-follower/cec-follower.cpp b/utils/cec-follower/cec-follower.cpp index 789fef4a..b208d14e 100644 --- a/utils/cec-follower/cec-follower.cpp +++ b/utils/cec-follower/cec-follower.cpp @@ -298,7 +298,7 @@ void state_init(struct node &node) node.state.sac_active = false; node.state.volume = 50; node.state.mute = false; - analog_tuner_init(&node.state.tuner_dev_info); + analog_tuner_init(&node.state); } int main(int argc, char **argv) diff --git a/utils/cec-follower/cec-follower.h b/utils/cec-follower/cec-follower.h index 0bd45452..04019c9a 100644 --- a/utils/cec-follower/cec-follower.h +++ b/utils/cec-follower/cec-follower.h @@ -53,6 +53,7 @@ struct state { unsigned rc_press_hold_count; unsigned rc_duration_sum; struct cec_op_tuner_device_info tuner_dev_info; + unsigned int freq_idx; }; struct node { @@ -222,7 +223,7 @@ std::string opcode2s(const struct cec_msg *msg); void sad_encode(const struct short_audio_desc *sad, __u32 *descriptor); // cec-tuner.cpp -void analog_tuner_init(struct cec_op_tuner_device_info *tuner_dev_info); +void analog_tuner_init(struct state *state); void process_tuner_record_timer_msgs(struct node *node, struct cec_msg &msg, unsigned me); // CEC processing diff --git a/utils/cec-follower/cec-tuner.cpp b/utils/cec-follower/cec-tuner.cpp index d74981b2..46acccf4 100644 --- a/utils/cec-follower/cec-tuner.cpp +++ b/utils/cec-follower/cec-tuner.cpp @@ -8,7 +8,8 @@ #include "cec-follower.h" -#define NUM_ANALOG_FREQS 3 +#define NUM_ANALOG_FREQS 3 +#define TOT_ANALOG_FREQS (sizeof(analog_freqs_khz) / sizeof(analog_freqs_khz[0][0][0])) /* * This table contains analog television channel frequencies in KHz. There are @@ -90,10 +91,12 @@ static unsigned int analog_freqs_khz[3][9][NUM_ANALOG_FREQS] = } }; -void analog_tuner_init(struct cec_op_tuner_device_info *info) +void analog_tuner_init(struct state *state) { + struct cec_op_tuner_device_info *info = &state->tuner_dev_info; unsigned int freq_khz; + state->freq_idx = 0; info->rec_flag = CEC_OP_REC_FLAG_NOT_USED; info->tuner_display_info = CEC_OP_TUNER_DISPLAY_INFO_ANALOGUE; info->is_analog = true; @@ -103,35 +106,52 @@ void analog_tuner_init(struct cec_op_tuner_device_info *info) info->analog.ana_freq = (freq_khz * 10) / 625; } -static unsigned int analog_get_nearest_freq(__u8 ana_bcast_type, __u8 ana_bcast_system, - int ana_freq_khz) +static unsigned int analog_get_nearest_freq_idx(__u8 ana_bcast_type, __u8 ana_bcast_system, + int ana_freq_khz) { int nearest = analog_freqs_khz[ana_bcast_type][ana_bcast_system][0]; + unsigned int offset = 0; for (int i = 0; i < NUM_ANALOG_FREQS; i++) { int freq = analog_freqs_khz[ana_bcast_type][ana_bcast_system][i]; - if (abs(ana_freq_khz - freq) < abs(ana_freq_khz - nearest)) + if (abs(ana_freq_khz - freq) < abs(ana_freq_khz - nearest)) { nearest = freq; + offset = i; + } } - return nearest; + return NUM_ANALOG_FREQS * ((ana_bcast_type * 9) + ana_bcast_system) + offset; } -static bool analog_set_tuner_dev_info(struct node *node, struct cec_msg *msg) +static void analog_update_tuner_dev_info(struct node *node, unsigned int idx) { struct cec_op_tuner_device_info *info = &node->state.tuner_dev_info; + unsigned int tot_freqs = NUM_ANALOG_FREQS * 9; + unsigned int offset; + unsigned int freq_khz; + + node->state.freq_idx = idx; + info->analog.ana_bcast_type = node->state.freq_idx / tot_freqs; + info->analog.bcast_system = + (node->state.freq_idx - (tot_freqs * info->analog.ana_bcast_type)) / NUM_ANALOG_FREQS; + offset = node->state.freq_idx % NUM_ANALOG_FREQS; + freq_khz = analog_freqs_khz[info->analog.ana_bcast_type][info->analog.bcast_system][offset]; + info->analog.ana_freq = (freq_khz * 10) / 625; +} + +static bool analog_set_tuner_dev_info(struct node *node, struct cec_msg *msg) +{ __u8 type; __u16 freq; __u8 system; + unsigned int idx; cec_ops_select_analogue_service(msg, &type, &freq, &system); if (type < 3 && system < 9) { int freq_khz = (freq * 625) / 10; - unsigned int nearest = analog_get_nearest_freq(type, system, - freq_khz); - info->analog.ana_bcast_type = type; - info->analog.ana_freq = (nearest * 10) / 625; - info->analog.bcast_system = system; + + idx = analog_get_nearest_freq_idx(type, system, freq_khz); + analog_update_tuner_dev_info(node, idx); return true; } return false; @@ -180,12 +200,29 @@ void process_tuner_record_timer_msgs(struct node *node, struct cec_msg &msg, uns return; case CEC_MSG_SELECT_DIGITAL_SERVICE: - case CEC_MSG_TUNER_STEP_DECREMENT: - case CEC_MSG_TUNER_STEP_INCREMENT: - if (!cec_has_tuner(1 << me)) + case CEC_MSG_TUNER_STEP_DECREMENT: { + if (!cec_has_tuner(1 << me) && !cec_has_tv(1 << me)) break; + + if (node->state.freq_idx == 0) + node->state.freq_idx = TOT_ANALOG_FREQS - 1; + else + node->state.freq_idx--; + analog_update_tuner_dev_info(node, node->state.freq_idx); return; + } + case CEC_MSG_TUNER_STEP_INCREMENT: { + if (!cec_has_tuner(1 << me) && !cec_has_tv(1 << me)) + break; + + if (node->state.freq_idx == TOT_ANALOG_FREQS - 1) + node->state.freq_idx = 0; + else + node->state.freq_idx++; + analog_update_tuner_dev_info(node, node->state.freq_idx); + return; + } /* One Touch Record -- 2.23.0