From patchwork Tue Aug 6 00:55:10 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Pierre-Louis Bossart X-Patchwork-Id: 11078013 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 27CE714E5 for ; Tue, 6 Aug 2019 01:07:19 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 17E7B2884A for ; Tue, 6 Aug 2019 01:07:19 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 022FC289A0; Tue, 6 Aug 2019 01:07:18 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.9 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_NONE autolearn=ham version=3.3.1 Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 4AF3328971 for ; Tue, 6 Aug 2019 01:07:18 +0000 (UTC) Received: from alsa1.perex.cz (alsa1.perex.cz [207.180.221.201]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id 3962916B4; Tue, 6 Aug 2019 02:59:07 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 3962916B4 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1565053197; bh=Ko4naHXyNUFKnYY0UbpFTo6qdoRKNSB+ESSSKzY0RPI=; h=From:To:Date:In-Reply-To:References:Cc:Subject:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=e8ZmXAqqGsB4o8R1M3HZYq5C50Xta3aegSPysocN+Wr8QBIlPsv1IqKIfHkKjOx76 27KsCoKL+Qzs8dpWR+d0yocyVdaMvqjXFGwCOU6/RGTm4e2rw2bwlkuQ2G6G5hRKq+ eUtuNUqiIANYqbmZI2O4W6IKTkDQ77H3HR3Ba5rQ= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id 1FC8BF8060F; Tue, 6 Aug 2019 02:55:44 +0200 (CEST) X-Original-To: alsa-devel@alsa-project.org Delivered-To: alsa-devel@alsa-project.org Received: by alsa1.perex.cz (Postfix, from userid 50401) id 1DAA4F8059F; Tue, 6 Aug 2019 02:55:40 +0200 (CEST) Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id CBB6BF8059F for ; Tue, 6 Aug 2019 02:55:36 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz CBB6BF8059F X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by fmsmga101.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 05 Aug 2019 17:55:35 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.64,350,1559545200"; d="scan'208";a="198153140" Received: from sahluwal-mobl1.amr.corp.intel.com (HELO pbossart-mobl3.intel.com) ([10.252.202.215]) by fmsmga004.fm.intel.com with ESMTP; 05 Aug 2019 17:55:34 -0700 From: Pierre-Louis Bossart To: alsa-devel@alsa-project.org Date: Mon, 5 Aug 2019 19:55:10 -0500 Message-Id: <20190806005522.22642-6-pierre-louis.bossart@linux.intel.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190806005522.22642-1-pierre-louis.bossart@linux.intel.com> References: <20190806005522.22642-1-pierre-louis.bossart@linux.intel.com> MIME-Version: 1.0 Cc: tiwai@suse.de, gregkh@linuxfoundation.org, Blauciak@alsa-project.org, linux-kernel@vger.kernel.org, Pierre-Louis Bossart , vkoul@kernel.org, broonie@kernel.org, srinivas.kandagatla@linaro.org, jank@cadence.com, Slawomir , Sanyog Kale Subject: [alsa-devel] [PATCH 05/17] soundwire: export helpers to find row and column values X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" X-Virus-Scanned: ClamAV using ClamSMTP Add a prefix for common tables and export 2 helpers to set the frame shapes based on row/col values. These changes simplify bandwidth allocation algorithms as well as the Cadence parts which all need to convert from frame shape to indices used by the standard. These helpers are used in the following patch. Signed-off-by: Pierre-Louis Bossart --- drivers/soundwire/bus.h | 7 +++++-- drivers/soundwire/stream.c | 14 ++++++++------ 2 files changed, 13 insertions(+), 8 deletions(-) diff --git a/drivers/soundwire/bus.h b/drivers/soundwire/bus.h index 648436a995a3..89e74adf96fa 100644 --- a/drivers/soundwire/bus.h +++ b/drivers/soundwire/bus.h @@ -73,8 +73,11 @@ struct sdw_msg { #define SDW_DOUBLE_RATE_FACTOR 2 -extern int rows[SDW_FRAME_ROWS]; -extern int cols[SDW_FRAME_COLS]; +extern int sdw_rows[SDW_FRAME_ROWS]; +extern int sdw_cols[SDW_FRAME_COLS]; + +int sdw_find_row_index(int row); +int sdw_find_col_index(int col); /** * sdw_port_runtime: Runtime port parameters for Master or Slave diff --git a/drivers/soundwire/stream.c b/drivers/soundwire/stream.c index a0476755a459..53f5e790fcd7 100644 --- a/drivers/soundwire/stream.c +++ b/drivers/soundwire/stream.c @@ -21,37 +21,39 @@ * The rows are arranged as per the array index value programmed * in register. The index 15 has dummy value 0 in order to fill hole. */ -int rows[SDW_FRAME_ROWS] = {48, 50, 60, 64, 75, 80, 125, 147, +int sdw_rows[SDW_FRAME_ROWS] = {48, 50, 60, 64, 75, 80, 125, 147, 96, 100, 120, 128, 150, 160, 250, 0, 192, 200, 240, 256, 72, 144, 90, 180}; -int cols[SDW_FRAME_COLS] = {2, 4, 6, 8, 10, 12, 14, 16}; +int sdw_cols[SDW_FRAME_COLS] = {2, 4, 6, 8, 10, 12, 14, 16}; -static int sdw_find_col_index(int col) +int sdw_find_col_index(int col) { int i; for (i = 0; i < SDW_FRAME_COLS; i++) { - if (cols[i] == col) + if (sdw_cols[i] == col) return i; } pr_warn("Requested column not found, selecting lowest column no: 2\n"); return 0; } +EXPORT_SYMBOL(sdw_find_col_index); -static int sdw_find_row_index(int row) +int sdw_find_row_index(int row) { int i; for (i = 0; i < SDW_FRAME_ROWS; i++) { - if (rows[i] == row) + if (sdw_rows[i] == row) return i; } pr_warn("Requested row not found, selecting lowest row no: 48\n"); return 0; } +EXPORT_SYMBOL(sdw_find_row_index); static int _sdw_program_slave_port_params(struct sdw_bus *bus, struct sdw_slave *slave,