From patchwork Fri Jun 3 04:56:23 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Garlic Tseng X-Patchwork-Id: 9151791 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 81E256074E for ; Fri, 3 Jun 2016 05:04:18 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 75DAF28309 for ; Fri, 3 Jun 2016 05:04:18 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 6A47B2832F; Fri, 3 Jun 2016 05:04:18 +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=-4.2 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id E472928309 for ; Fri, 3 Jun 2016 05:04:17 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1b8hFx-0008P0-4N; Fri, 03 Jun 2016 05:02:49 +0000 Received: from [210.61.82.183] (helo=mailgw01.mediatek.com) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1b8hFU-000869-W5; Fri, 03 Jun 2016 05:02:21 +0000 Received: from mtkhts07.mediatek.inc [(172.21.101.69)] by mailgw01.mediatek.com (envelope-from ) (mhqrelay.mediatek.com ESMTP with TLS) with ESMTP id 1573539676; Fri, 03 Jun 2016 12:56:27 +0800 Received: from mtkslt206 (10.21.15.99) by mtkhts07.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 14.3.266.1; Fri, 3 Jun 2016 12:56:25 +0800 Received: by mtkslt206 (Postfix, from userid 10010076) id 061CB189023; Fri, 3 Jun 2016 12:56:26 +0800 (CST) From: Garlic Tseng To: , Subject: [alsa-devel] [PATCH v2 8/9] ASoC: mediatek: add BT implementation Date: Fri, 3 Jun 2016 12:56:23 +0800 Message-ID: <1464929784-5489-9-git-send-email-garlic.tseng@mediatek.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1464929784-5489-1-git-send-email-garlic.tseng@mediatek.com> References: <1464929784-5489-1-git-send-email-garlic.tseng@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20160602_220221_184503_6FD8374A X-CRM114-Status: GOOD ( 14.64 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: alsa-devel@alsa-project.org, ir.lian@mediatek.com, srv_heupstream@mediatek.com, garlic.tseng@mediatek.com, linux-kernel@vger.kernel.org, koro.chen@mediatek.com, linux-mediatek@lists.infradead.org, PC.Liao@mediatek.com, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP Add BT implementation for mt2701 platform driver. Signed-off-by: Garlic Tseng --- sound/soc/mediatek/mt2701/mt2701-afe-pcm.c | 141 +++++++++++++++++++++++++++++ 1 file changed, 141 insertions(+) diff --git a/sound/soc/mediatek/mt2701/mt2701-afe-pcm.c b/sound/soc/mediatek/mt2701/mt2701-afe-pcm.c index 4c22ca0..9215b71 100644 --- a/sound/soc/mediatek/mt2701/mt2701-afe-pcm.c +++ b/sound/soc/mediatek/mt2701/mt2701-afe-pcm.c @@ -346,6 +346,88 @@ static int mt2701_afe_i2s_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) return 0; } +static int mt2701_btmrg_startup(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform); + struct mt2701_afe_private *afe_priv = afe->platform_priv; + + regmap_update_bits(afe->regmap, AUDIO_TOP_CON4, + AUDIO_TOP_CON4_PDN_MRGIF, 0); + + afe_priv->mrg_enable[substream->stream] = 1; + return 0; +} + +static int mt2701_btmrg_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params, + struct snd_soc_dai *dai) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform); + int stream_fs; + u32 val, msk; + + pr_debug("%s() cpu_dai id %d\n", __func__, dai->id); + stream_fs = params_rate(params); + + if ((stream_fs != 8000) && (stream_fs != 16000)) { + pr_err("%s() btmgr not supprt this stream_fs %d\n", + __func__, stream_fs); + return -EINVAL; + } + + regmap_update_bits(afe->regmap, AFE_MRGIF_CON, + AFE_MRGIF_CON_I2S_MODE_MASK, + AFE_MRGIF_CON_I2S_MODE_32K); + + val = AFE_DAIBT_CON0_BT_FUNC_EN | AFE_DAIBT_CON0_BT_FUNC_RDY + | AFE_DAIBT_CON0_MRG_USE; + msk = val; + + if (stream_fs == 16000) + val |= AFE_DAIBT_CON0_BT_WIDE_MODE_EN; + + msk |= AFE_DAIBT_CON0_BT_WIDE_MODE_EN; + + regmap_update_bits(afe->regmap, AFE_DAIBT_CON0, msk, val); + + regmap_update_bits(afe->regmap, AFE_DAIBT_CON0, + AFE_DAIBT_CON0_DAIBT_EN, + AFE_DAIBT_CON0_DAIBT_EN); + regmap_update_bits(afe->regmap, AFE_MRGIF_CON, + AFE_MRGIF_CON_MRG_I2S_EN, + AFE_MRGIF_CON_MRG_I2S_EN); + regmap_update_bits(afe->regmap, AFE_MRGIF_CON, + AFE_MRGIF_CON_MRG_EN, + AFE_MRGIF_CON_MRG_EN); + return 0; +} + +static void mt2701_btmrg_shutdown(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform); + struct mt2701_afe_private *afe_priv = afe->platform_priv; + + pr_debug("%s() cpu_dai id %d\n", __func__, dai->id); + /* if the other direction stream is not occupied */ + if (!afe_priv->mrg_enable[!substream->stream]) { + regmap_update_bits(afe->regmap, AFE_DAIBT_CON0, + AFE_DAIBT_CON0_DAIBT_EN, 0); + regmap_update_bits(afe->regmap, AFE_MRGIF_CON, + AFE_MRGIF_CON_MRG_EN, 0); + regmap_update_bits(afe->regmap, AFE_MRGIF_CON, + AFE_MRGIF_CON_MRG_I2S_EN, 0); + regmap_update_bits(afe->regmap, AUDIO_TOP_CON4, + AUDIO_TOP_CON4_PDN_MRGIF, + AUDIO_TOP_CON4_PDN_MRGIF); + } + afe_priv->mrg_enable[substream->stream] = 0; +} + static int mt2701_simple_fe_startup(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { @@ -529,6 +611,13 @@ static const struct snd_soc_dai_ops mt2701_afe_i2s_ops = { .set_fmt = mt2701_afe_i2s_set_fmt, }; +/* MRG BE DAIs*/ +static struct snd_soc_dai_ops mt2701_btmrg_ops = { + .startup = mt2701_btmrg_startup, + .shutdown = mt2701_btmrg_shutdown, + .hw_params = mt2701_btmrg_hw_params, +}; + static struct snd_soc_dai_driver mt2701_afe_pcm_dais[] = { /* FE DAIs: memory intefaces to CPU */ { @@ -579,6 +668,36 @@ static struct snd_soc_dai_driver mt2701_afe_pcm_dais[] = { }, .ops = &mt2701_single_memif_dai_ops, }, + { + .name = "PCM_BT_DL", + .id = MT2701_MEMIF_DLBT, + .suspend = mtk_afe_dai_suspend, + .resume = mtk_afe_dai_resume, + .playback = { + .stream_name = "DLBT", + .channels_min = 1, + .channels_max = 1, + .rates = (SNDRV_PCM_RATE_8000 + | SNDRV_PCM_RATE_16000), + .formats = SNDRV_PCM_FMTBIT_S16_LE, + }, + .ops = &mt2701_single_memif_dai_ops, + }, + { + .name = "PCM_BT_UL", + .id = MT2701_MEMIF_ULBT, + .suspend = mtk_afe_dai_suspend, + .resume = mtk_afe_dai_resume, + .capture = { + .stream_name = "ULBT", + .channels_min = 1, + .channels_max = 1, + .rates = (SNDRV_PCM_RATE_8000 + | SNDRV_PCM_RATE_16000), + .formats = SNDRV_PCM_FMTBIT_S16_LE, + }, + .ops = &mt2701_single_memif_dai_ops, + }, /* BE DAIs */ { .name = "I2S0", @@ -678,6 +797,28 @@ static struct snd_soc_dai_driver mt2701_afe_pcm_dais[] = { .ops = &mt2701_afe_i2s_ops, .symmetric_rates = 1, }, + { + .name = "MRG BT", + .id = MT2701_IO_MRG, + .playback = { + .stream_name = "BT Playback", + .channels_min = 1, + .channels_max = 1, + .rates = (SNDRV_PCM_RATE_8000 + | SNDRV_PCM_RATE_16000), + .formats = SNDRV_PCM_FMTBIT_S16_LE, + }, + .capture = { + .stream_name = "BT Capture", + .channels_min = 1, + .channels_max = 1, + .rates = (SNDRV_PCM_RATE_8000 + | SNDRV_PCM_RATE_16000), + .formats = SNDRV_PCM_FMTBIT_S16_LE, + }, + .ops = &mt2701_btmrg_ops, + .symmetric_rates = 1, + } }; static const struct snd_kcontrol_new mt2701_afe_o00_mix[] = {