From patchwork Fri Aug 19 13:56:12 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: zhengxing X-Patchwork-Id: 9290371 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 61FF8600CB for ; Fri, 19 Aug 2016 13:58:45 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 545692941B for ; Fri, 19 Aug 2016 13:58:45 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 48A512943F; Fri, 19 Aug 2016 13:58:45 +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 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 DFA532941B for ; Fri, 19 Aug 2016 13:58:44 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.85_2 #1 (Red Hat Linux)) id 1bakIR-0001XZ-3b; Fri, 19 Aug 2016 13:57:19 +0000 Received: from regular1.263xmail.com ([211.150.99.140]) by bombadil.infradead.org with esmtps (Exim 4.85_2 #1 (Red Hat Linux)) id 1bakIG-0001Pq-VE; Fri, 19 Aug 2016 13:57:14 +0000 Received: from zhengxing?rock-chips.com (unknown [192.168.167.153]) by regular1.263xmail.com (Postfix) with ESMTP id 4F42A4BD4; Fri, 19 Aug 2016 21:56:36 +0800 (CST) X-263anti-spam: KSV:0; X-MAIL-GRAY: 0 X-MAIL-DELIVERY: 1 X-KSVirus-check: 0 X-ABS-CHECKED: 4 X-ADDR-CHECKED: 0 Received: from acgzx-upc.lan (localhost [127.0.0.1]) by smtp.263.net (Postfix) with ESMTP id 97A7B3A7; Fri, 19 Aug 2016 21:56:37 +0800 (CST) X-RL-SENDER: zhengxing@rock-chips.com X-FST-TO: linux-rockchip@lists.infradead.org X-SENDER-IP: 58.22.7.114 X-LOGIN-NAME: zhengxing@rock-chips.com X-UNIQUE-TAG: <23429c40ad95e1bf8ac67a7f124d36f2> X-ATTACHMENT-NUM: 0 X-SENDER: zhengxing@rock-chips.com X-DNS-TYPE: 0 Received: from acgzx-upc.lan (unknown [58.22.7.114]) by smtp.263.net (Postfix) whith ESMTP id 28746J1C8LS; Fri, 19 Aug 2016 21:56:38 +0800 (CST) From: Xing Zheng To: linux-rockchip@lists.infradead.org Subject: [PATCH] ASoC: rockchip: Add support rt5514 dsp summy dailink Date: Fri, 19 Aug 2016 21:56:12 +0800 Message-Id: <1471614973-10325-1-git-send-email-zhengxing@rock-chips.com> X-Mailer: git-send-email 1.7.9.5 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20160819_065713_621326_A34EC98F X-CRM114-Status: GOOD ( 12.34 ) 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, heiko@sntech.de, Xing Zheng , linux-kernel@vger.kernel.org, Mark Brown , Takashi Iwai , Liam Girdwood , dianders@chromium.org, hychao@chromium.org, smbarber@google.com, Jaroslav Kysela , linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 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 This patch can attach automaticlly rt5514 spi DAI with driver name "rt5514" in the snd_soc_find_dai process. Turn this feature on, we can enable the voice wake up via rt5514 dsp for RK3399 Gru Boards. Signed-off-by: Xing Zheng --- sound/soc/rockchip/Kconfig | 1 + sound/soc/rockchip/rk3399_gru_sound.c | 39 ++++++++++++++++++++++++++++++++- 2 files changed, 39 insertions(+), 1 deletion(-) diff --git a/sound/soc/rockchip/Kconfig b/sound/soc/rockchip/Kconfig index 6d39032..d82d763 100644 --- a/sound/soc/rockchip/Kconfig +++ b/sound/soc/rockchip/Kconfig @@ -49,6 +49,7 @@ config SND_SOC_RK3399_GRU_SOUND select SND_SOC_MAX98357A select SND_SOC_RT5514 select SND_SOC_DA7219 + select SND_SOC_RT5514_SPI help Say Y or M here if you want to add support multiple codecs for SoC audio on Rockchip RK3399 GRU boards. diff --git a/sound/soc/rockchip/rk3399_gru_sound.c b/sound/soc/rockchip/rk3399_gru_sound.c index 9933703..164b6da 100644 --- a/sound/soc/rockchip/rk3399_gru_sound.c +++ b/sound/soc/rockchip/rk3399_gru_sound.c @@ -230,8 +230,11 @@ enum { DAILINK_MAX98357A, DAILINK_RT5514, DAILINK_DA7219, + DAILINK_RT5514_DSP, }; +#define DAILINK_ENTITIES (DAILINK_DA7219 + 1) + static struct snd_soc_dai_link rockchip_dailinks[] = { [DAILINK_MAX98357A] = { .name = "MAX98357A", @@ -261,6 +264,13 @@ static struct snd_soc_dai_link rockchip_dailinks[] = { .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBS_CFS, }, + /* RT5514 DSP for voice wakeup via spi bus */ + [DAILINK_RT5514_DSP] = { + .name = "RT5514 DSP", + .stream_name = "Wake on Voice", + .codec_name = "snd-soc-dummy", + .codec_dai_name = "snd-soc-dummy-dai", + }, }; static struct snd_soc_card rockchip_sound_card = { @@ -276,10 +286,17 @@ static struct snd_soc_card rockchip_sound_card = { .num_controls = ARRAY_SIZE(rockchip_controls), }; +static int rockchip_sound_match_stub(struct device *dev, void *data) +{ + return 1; +} + static int rockchip_sound_probe(struct platform_device *pdev) { struct snd_soc_card *card = &rockchip_sound_card; struct device_node *cpu_node; + struct device *dev; + struct device_driver *drv; int i, ret; cpu_node = of_parse_phandle(pdev->dev.of_node, "rockchip,cpu", 0); @@ -288,7 +305,7 @@ static int rockchip_sound_probe(struct platform_device *pdev) return -EINVAL; } - for (i = 0; i < card->num_links; i++) { + for (i = 0; i < DAILINK_ENTITIES; i++) { rockchip_dailinks[i].platform_of_node = cpu_node; rockchip_dailinks[i].cpu_of_node = cpu_node; @@ -301,6 +318,26 @@ static int rockchip_sound_probe(struct platform_device *pdev) } } + /** + * To acquire the spi driver of the rt5514 and set the dai-links names + * for soc_bind_dai_link + */ + drv = driver_find("rt5514", &spi_bus_type); + if (!drv) { + dev_err(&pdev->dev, "Can not find the rt5514 driver at the spi bus\n"); + return -EINVAL; + } + + dev = driver_find_device(drv, NULL, NULL, rockchip_sound_match_stub); + if (!dev) { + dev_err(&pdev->dev, "Can not find the rt5514 device\n"); + return -ENODEV; + } + + rockchip_dailinks[DAILINK_RT5514_DSP].cpu_name = kstrdup_const(dev_name(dev), GFP_KERNEL); + rockchip_dailinks[DAILINK_RT5514_DSP].cpu_dai_name = kstrdup_const(dev_name(dev), GFP_KERNEL); + rockchip_dailinks[DAILINK_RT5514_DSP].platform_name = kstrdup_const(dev_name(dev), GFP_KERNEL); + card->dev = &pdev->dev; platform_set_drvdata(pdev, card);