From patchwork Mon Dec 13 05:46:34 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Bard Liao X-Patchwork-Id: 12673091 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 3927DC433EF for ; Mon, 13 Dec 2021 05:49:22 +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 6E9CB18EE; Mon, 13 Dec 2021 06:48:30 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 6E9CB18EE DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1639374560; bh=lexwEZJekGI4b8BIEVYDMmDZjRID6Oh7uCzveopDtmE=; h=From:To:Subject:Date:In-Reply-To:References:Cc:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=i072Z6qIgO9h86Z1I9LAchPVPWnzaNtJxHClArxb/8pci6j877ri2HBYI/31K8AxO 6vxpcj93VDITk3qdOkfk5u8MeHR0wN13dYDhaZqodwREbFWyZF2yFtbcfJqHyONOpU mH8gdwtD60wv7KDUbUdMpvypZq9jCaBbEwTCs7X4= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id 2D9AEF8052D; Mon, 13 Dec 2021 06:47:24 +0100 (CET) Received: by alsa1.perex.cz (Postfix, from userid 50401) id 0D4E2F8052E; Mon, 13 Dec 2021 06:47:23 +0100 (CET) Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) (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 E2617F80529 for ; Mon, 13 Dec 2021 06:47:15 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz E2617F80529 X-IronPort-AV: E=McAfee;i="6200,9189,10196"; a="237402070" X-IronPort-AV: E=Sophos;i="5.88,201,1635231600"; d="scan'208";a="237402070" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by fmsmga104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 Dec 2021 21:47:09 -0800 X-IronPort-AV: E=Sophos;i="5.88,201,1635231600"; d="scan'208";a="517608208" Received: from bard-ubuntu.sh.intel.com ([10.239.185.57]) by orsmga008-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 Dec 2021 21:47:06 -0800 From: Bard Liao To: alsa-devel@alsa-project.org, vkoul@kernel.org Subject: [PATCH 7/7] soundwire: intel: remove PDM support Date: Mon, 13 Dec 2021 13:46:34 +0800 Message-Id: <20211213054634.30088-8-yung-chuan.liao@linux.intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20211213054634.30088-1-yung-chuan.liao@linux.intel.com> References: <20211213054634.30088-1-yung-chuan.liao@linux.intel.com> MIME-Version: 1.0 Cc: vinod.koul@linaro.org, tiwai@suse.de, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, pierre-louis.bossart@linux.intel.com, broonie@kernel.org, srinivas.kandagatla@linaro.org, sanyog.r.kale@intel.com, bard.liao@intel.com 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" From: Pierre-Louis Bossart While the hardware supports PDM streams, this capability has never been tested or enabled on any product, so this is dead-code. Let's remove all this. Signed-off-by: Pierre-Louis Bossart Reviewed-by: Péter Ujfalusi Reviewed-by: Rander Wang Signed-off-by: Bard Liao Acked-By: Vinod Koul --- drivers/soundwire/cadence_master.c | 36 +-------- drivers/soundwire/cadence_master.h | 12 +-- drivers/soundwire/intel.c | 123 +++++++---------------------- 3 files changed, 31 insertions(+), 140 deletions(-) diff --git a/drivers/soundwire/cadence_master.c b/drivers/soundwire/cadence_master.c index 4fcc3ba93004..558390af44b6 100644 --- a/drivers/soundwire/cadence_master.c +++ b/drivers/soundwire/cadence_master.c @@ -1178,9 +1178,6 @@ int sdw_cdns_pdi_init(struct sdw_cdns *cdns, cdns->pcm.num_bd = config.pcm_bd; cdns->pcm.num_in = config.pcm_in; cdns->pcm.num_out = config.pcm_out; - cdns->pdm.num_bd = config.pdm_bd; - cdns->pdm.num_in = config.pdm_in; - cdns->pdm.num_out = config.pdm_out; /* Allocate PDIs for PCMs */ stream = &cdns->pcm; @@ -1211,32 +1208,6 @@ int sdw_cdns_pdi_init(struct sdw_cdns *cdns, stream->num_pdi = stream->num_bd + stream->num_in + stream->num_out; cdns->num_ports = stream->num_pdi; - /* Allocate PDIs for PDMs */ - stream = &cdns->pdm; - ret = cdns_allocate_pdi(cdns, &stream->bd, - stream->num_bd, offset); - if (ret) - return ret; - - offset += stream->num_bd; - - ret = cdns_allocate_pdi(cdns, &stream->in, - stream->num_in, offset); - if (ret) - return ret; - - offset += stream->num_in; - - ret = cdns_allocate_pdi(cdns, &stream->out, - stream->num_out, offset); - - if (ret) - return ret; - - /* Update total number of PDM PDIs */ - stream->num_pdi = stream->num_bd + stream->num_in + stream->num_out; - cdns->num_ports += stream->num_pdi; - return 0; } EXPORT_SYMBOL(sdw_cdns_pdi_init); @@ -1681,7 +1652,7 @@ int sdw_cdns_probe(struct sdw_cdns *cdns) EXPORT_SYMBOL(sdw_cdns_probe); int cdns_set_sdw_stream(struct snd_soc_dai *dai, - void *stream, bool pcm, int direction) + void *stream, int direction) { struct sdw_cdns *cdns = snd_soc_dai_get_drvdata(dai); struct sdw_cdns_dma_data *dma; @@ -1705,10 +1676,7 @@ int cdns_set_sdw_stream(struct snd_soc_dai *dai, if (!dma) return -ENOMEM; - if (pcm) - dma->stream_type = SDW_STREAM_PCM; - else - dma->stream_type = SDW_STREAM_PDM; + dma->stream_type = SDW_STREAM_PCM; dma->bus = &cdns->bus; dma->link_id = cdns->instance; diff --git a/drivers/soundwire/cadence_master.h b/drivers/soundwire/cadence_master.h index aa4b9b0eb2a8..595d72c15d97 100644 --- a/drivers/soundwire/cadence_master.h +++ b/drivers/soundwire/cadence_master.h @@ -17,7 +17,7 @@ * @h_ch_num: high channel for PDI * @ch_count: total channel count for PDI * @dir: data direction - * @type: stream type, PDM or PCM + * @type: stream type, (only PCM supported) */ struct sdw_cdns_pdi { int num; @@ -62,17 +62,11 @@ struct sdw_cdns_streams { * @pcm_bd: number of bidirectional PCM streams supported * @pcm_in: number of input PCM streams supported * @pcm_out: number of output PCM streams supported - * @pdm_bd: number of bidirectional PDM streams supported - * @pdm_in: number of input PDM streams supported - * @pdm_out: number of output PDM streams supported */ struct sdw_cdns_stream_config { unsigned int pcm_bd; unsigned int pcm_in; unsigned int pcm_out; - unsigned int pdm_bd; - unsigned int pdm_in; - unsigned int pdm_out; }; /** @@ -111,7 +105,6 @@ struct sdw_cdns_dma_data { * @ports: Data ports * @num_ports: Total number of data ports * @pcm: PCM streams - * @pdm: PDM streams * @registers: Cadence registers * @link_up: Link status * @msg_count: Messages sent on bus @@ -129,7 +122,6 @@ struct sdw_cdns { int num_ports; struct sdw_cdns_streams pcm; - struct sdw_cdns_streams pdm; int pdi_loopback_source; int pdi_loopback_target; @@ -188,7 +180,7 @@ cdns_xfer_msg_defer(struct sdw_bus *bus, int cdns_bus_conf(struct sdw_bus *bus, struct sdw_bus_params *params); int cdns_set_sdw_stream(struct snd_soc_dai *dai, - void *stream, bool pcm, int direction); + void *stream, int direction); void sdw_cdns_check_self_clearing_bits(struct sdw_cdns *cdns, const char *string, bool initial_delay, int reset_iterations); diff --git a/drivers/soundwire/intel.c b/drivers/soundwire/intel.c index 45ea55a7d0c8..79ba0e3f6dac 100644 --- a/drivers/soundwire/intel.c +++ b/drivers/soundwire/intel.c @@ -564,7 +564,7 @@ static void intel_pdi_init(struct sdw_intel *sdw, { void __iomem *shim = sdw->link_res->shim; unsigned int link_id = sdw->instance; - int pcm_cap, pdm_cap; + int pcm_cap; /* PCM Stream Capability */ pcm_cap = intel_readw(shim, SDW_SHIM_PCMSCAP(link_id)); @@ -575,41 +575,25 @@ static void intel_pdi_init(struct sdw_intel *sdw, dev_dbg(sdw->cdns.dev, "PCM cap bd:%d in:%d out:%d\n", config->pcm_bd, config->pcm_in, config->pcm_out); - - /* PDM Stream Capability */ - pdm_cap = intel_readw(shim, SDW_SHIM_PDMSCAP(link_id)); - - config->pdm_bd = FIELD_GET(SDW_SHIM_PDMSCAP_BSS, pdm_cap); - config->pdm_in = FIELD_GET(SDW_SHIM_PDMSCAP_ISS, pdm_cap); - config->pdm_out = FIELD_GET(SDW_SHIM_PDMSCAP_OSS, pdm_cap); - - dev_dbg(sdw->cdns.dev, "PDM cap bd:%d in:%d out:%d\n", - config->pdm_bd, config->pdm_in, config->pdm_out); } static int -intel_pdi_get_ch_cap(struct sdw_intel *sdw, unsigned int pdi_num, bool pcm) +intel_pdi_get_ch_cap(struct sdw_intel *sdw, unsigned int pdi_num) { void __iomem *shim = sdw->link_res->shim; unsigned int link_id = sdw->instance; int count; - if (pcm) { - count = intel_readw(shim, SDW_SHIM_PCMSYCHC(link_id, pdi_num)); + count = intel_readw(shim, SDW_SHIM_PCMSYCHC(link_id, pdi_num)); - /* - * WORKAROUND: on all existing Intel controllers, pdi - * number 2 reports channel count as 1 even though it - * supports 8 channels. Performing hardcoding for pdi - * number 2. - */ - if (pdi_num == 2) - count = 7; - - } else { - count = intel_readw(shim, SDW_SHIM_PDMSCAP(link_id)); - count = FIELD_GET(SDW_SHIM_PDMSCAP_CPSS, count); - } + /* + * WORKAROUND: on all existing Intel controllers, pdi + * number 2 reports channel count as 1 even though it + * supports 8 channels. Performing hardcoding for pdi + * number 2. + */ + if (pdi_num == 2) + count = 7; /* zero based values for channel count in register */ count++; @@ -620,12 +604,12 @@ intel_pdi_get_ch_cap(struct sdw_intel *sdw, unsigned int pdi_num, bool pcm) static int intel_pdi_get_ch_update(struct sdw_intel *sdw, struct sdw_cdns_pdi *pdi, unsigned int num_pdi, - unsigned int *num_ch, bool pcm) + unsigned int *num_ch) { int i, ch_count = 0; for (i = 0; i < num_pdi; i++) { - pdi->ch_count = intel_pdi_get_ch_cap(sdw, pdi->num, pcm); + pdi->ch_count = intel_pdi_get_ch_cap(sdw, pdi->num); ch_count += pdi->ch_count; pdi++; } @@ -635,25 +619,23 @@ static int intel_pdi_get_ch_update(struct sdw_intel *sdw, } static int intel_pdi_stream_ch_update(struct sdw_intel *sdw, - struct sdw_cdns_streams *stream, bool pcm) + struct sdw_cdns_streams *stream) { intel_pdi_get_ch_update(sdw, stream->bd, stream->num_bd, - &stream->num_ch_bd, pcm); + &stream->num_ch_bd); intel_pdi_get_ch_update(sdw, stream->in, stream->num_in, - &stream->num_ch_in, pcm); + &stream->num_ch_in); intel_pdi_get_ch_update(sdw, stream->out, stream->num_out, - &stream->num_ch_out, pcm); + &stream->num_ch_out); return 0; } static int intel_pdi_ch_update(struct sdw_intel *sdw) { - /* First update PCM streams followed by PDM streams */ - intel_pdi_stream_ch_update(sdw, &sdw->cdns.pcm, true); - intel_pdi_stream_ch_update(sdw, &sdw->cdns.pdm, false); + intel_pdi_stream_ch_update(sdw, &sdw->cdns.pcm); return 0; } @@ -840,7 +822,6 @@ static int intel_hw_params(struct snd_pcm_substream *substream, struct sdw_port_config *pconfig; int ch, dir; int ret; - bool pcm = true; dma = snd_soc_dai_get_dma_data(dai, substream); if (!dma) @@ -852,13 +833,7 @@ static int intel_hw_params(struct snd_pcm_substream *substream, else dir = SDW_DATA_DIR_TX; - if (dma->stream_type == SDW_STREAM_PDM) - pcm = false; - - if (pcm) - pdi = sdw_cdns_alloc_pdi(cdns, &cdns->pcm, ch, dir, dai->id); - else - pdi = sdw_cdns_alloc_pdi(cdns, &cdns->pdm, ch, dir, dai->id); + pdi = sdw_cdns_alloc_pdi(cdns, &cdns->pcm, ch, dir, dai->id); if (!pdi) { ret = -EINVAL; @@ -888,12 +863,7 @@ static int intel_hw_params(struct snd_pcm_substream *substream, sconfig.frame_rate = params_rate(params); sconfig.type = dma->stream_type; - if (dma->stream_type == SDW_STREAM_PDM) { - sconfig.frame_rate *= 50; - sconfig.bps = 1; - } else { - sconfig.bps = snd_pcm_format_width(params_format(params)); - } + sconfig.bps = snd_pcm_format_width(params_format(params)); /* Port configuration */ pconfig = kzalloc(sizeof(*pconfig), GFP_KERNEL); @@ -1012,13 +982,7 @@ static void intel_shutdown(struct snd_pcm_substream *substream, static int intel_pcm_set_sdw_stream(struct snd_soc_dai *dai, void *stream, int direction) { - return cdns_set_sdw_stream(dai, stream, true, direction); -} - -static int intel_pdm_set_sdw_stream(struct snd_soc_dai *dai, - void *stream, int direction) -{ - return cdns_set_sdw_stream(dai, stream, false, direction); + return cdns_set_sdw_stream(dai, stream, direction); } static void *intel_get_sdw_stream(struct snd_soc_dai *dai, @@ -1133,16 +1097,6 @@ static const struct snd_soc_dai_ops intel_pcm_dai_ops = { .get_stream = intel_get_sdw_stream, }; -static const struct snd_soc_dai_ops intel_pdm_dai_ops = { - .startup = intel_startup, - .hw_params = intel_hw_params, - .prepare = intel_prepare, - .hw_free = intel_hw_free, - .shutdown = intel_shutdown, - .set_sdw_stream = intel_pdm_set_sdw_stream, - .get_sdw_stream = intel_get_sdw_stream, -}; - static const struct snd_soc_component_driver dai_component = { .name = "soundwire", .suspend = intel_component_dais_suspend @@ -1151,7 +1105,7 @@ static const struct snd_soc_component_driver dai_component = { static int intel_create_dai(struct sdw_cdns *cdns, struct snd_soc_dai_driver *dais, enum intel_pdi_type type, - u32 num, u32 off, u32 max_ch, bool pcm) + u32 num, u32 off, u32 max_ch) { int i; @@ -1180,10 +1134,7 @@ static int intel_create_dai(struct sdw_cdns *cdns, dais[i].capture.formats = SNDRV_PCM_FMTBIT_S16_LE; } - if (pcm) - dais[i].ops = &intel_pcm_dai_ops; - else - dais[i].ops = &intel_pdm_dai_ops; + dais[i].ops = &intel_pcm_dai_ops; } return 0; @@ -1197,7 +1148,7 @@ static int intel_register_dai(struct sdw_intel *sdw) int num_dai, ret, off = 0; /* DAIs are created based on total number of PDIs supported */ - num_dai = cdns->pcm.num_pdi + cdns->pdm.num_pdi; + num_dai = cdns->pcm.num_pdi; dais = devm_kcalloc(cdns->dev, num_dai, sizeof(*dais), GFP_KERNEL); if (!dais) @@ -1207,39 +1158,19 @@ static int intel_register_dai(struct sdw_intel *sdw) stream = &cdns->pcm; ret = intel_create_dai(cdns, dais, INTEL_PDI_IN, cdns->pcm.num_in, - off, stream->num_ch_in, true); + off, stream->num_ch_in); if (ret) return ret; off += cdns->pcm.num_in; ret = intel_create_dai(cdns, dais, INTEL_PDI_OUT, cdns->pcm.num_out, - off, stream->num_ch_out, true); + off, stream->num_ch_out); if (ret) return ret; off += cdns->pcm.num_out; ret = intel_create_dai(cdns, dais, INTEL_PDI_BD, cdns->pcm.num_bd, - off, stream->num_ch_bd, true); - if (ret) - return ret; - - /* Create PDM DAIs */ - stream = &cdns->pdm; - off += cdns->pcm.num_bd; - ret = intel_create_dai(cdns, dais, INTEL_PDI_IN, cdns->pdm.num_in, - off, stream->num_ch_in, false); - if (ret) - return ret; - - off += cdns->pdm.num_in; - ret = intel_create_dai(cdns, dais, INTEL_PDI_OUT, cdns->pdm.num_out, - off, stream->num_ch_out, false); - if (ret) - return ret; - - off += cdns->pdm.num_out; - ret = intel_create_dai(cdns, dais, INTEL_PDI_BD, cdns->pdm.num_bd, - off, stream->num_ch_bd, false); + off, stream->num_ch_bd); if (ret) return ret;