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Received: from regular1.263xmail.com ([211.150.99.132]) by casper.infradead.org with esmtps (Exim 4.87 #1 (Red Hat Linux)) id 1diXjS-00019I-Jw; Fri, 18 Aug 2017 03:14:01 +0000 Received: from jeffy.chen?rock-chips.com (unknown [192.168.167.159]) by regular1.263xmail.com (Postfix) with ESMTP id A1CDC9512; Fri, 18 Aug 2017 11:13:26 +0800 (CST) X-263anti-spam: KSV:0; X-MAIL-GRAY: 0 X-MAIL-DELIVERY: 1 X-KSVirus-check: 0 X-ABS-CHECKED: 4 Received: from localhost (localhost [127.0.0.1]) by smtp.263.net (Postfix) with ESMTPA id 08FCE36B; Fri, 18 Aug 2017 11:13:17 +0800 (CST) X-RL-SENDER: jeffy.chen@rock-chips.com X-FST-TO: linux-kernel@vger.kernel.org X-SENDER-IP: 103.29.142.67 X-LOGIN-NAME: jeffy.chen@rock-chips.com X-UNIQUE-TAG: X-ATTACHMENT-NUM: 0 X-SENDER: cjf@rock-chips.com X-DNS-TYPE: 0 Received: from localhost (unknown [103.29.142.67]) by smtp.263.net (Postfix) whith ESMTP id 29549P41S13; Fri, 18 Aug 2017 11:13:25 +0800 (CST) From: Jeffy Chen To: linux-kernel@vger.kernel.org, dgreid@chromium.org, heiko@sntech.de Subject: [PATCH v4 7/9] ASoC: rockchip: Add support for DP codec Date: Fri, 18 Aug 2017 11:11:45 +0800 Message-Id: <20170818031147.16810-8-jeffy.chen@rock-chips.com> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20170818031147.16810-1-jeffy.chen@rock-chips.com> References: <20170818031147.16810-1-jeffy.chen@rock-chips.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20170818_041359_357125_54472415 X-CRM114-Status: GOOD ( 18.39 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: alsa-devel@alsa-project.org, briannorris@chromium.org, Liam Girdwood , Mark Brown , Jeffy Chen , dianders@chromium.org, Jaroslav Kysela , linux-rockchip@lists.infradead.org, mka@chromium.org, Takashi Iwai , 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 Add support for optional cdn dp codec. Signed-off-by: Jeffy Chen --- Changes in v4: None Changes in v3: None Changes in v2: None sound/soc/rockchip/Kconfig | 1 + sound/soc/rockchip/rk3399_gru_sound.c | 59 +++++++++++++++++++++++++++++++++-- 2 files changed, 58 insertions(+), 2 deletions(-) diff --git a/sound/soc/rockchip/Kconfig b/sound/soc/rockchip/Kconfig index c84487805876..8f0d0d8d34e6 100644 --- a/sound/soc/rockchip/Kconfig +++ b/sound/soc/rockchip/Kconfig @@ -68,6 +68,7 @@ config SND_SOC_RK3399_GRU_SOUND select SND_SOC_RT5514 select SND_SOC_DA7219 select SND_SOC_RT5514_SPI + select SND_SOC_HDMI_CODEC 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 d532336871d7..8ffae1934b94 100644 --- a/sound/soc/rockchip/rk3399_gru_sound.c +++ b/sound/soc/rockchip/rk3399_gru_sound.c @@ -223,6 +223,45 @@ static int rockchip_sound_da7219_init(struct snd_soc_pcm_runtime *rtd) return 0; } +static int rockchip_sound_cdndp_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct snd_soc_dai *cpu_dai = rtd->cpu_dai; + struct snd_soc_dai *codec_dai = rtd->codec_dai; + int mclk, ret; + + /* in bypass mode, the mclk has to be one of the frequencies below */ + switch (params_rate(params)) { + case 8000: + case 16000: + case 24000: + case 32000: + case 48000: + case 64000: + case 96000: + mclk = 12288000; + break; + case 11025: + case 22050: + case 44100: + case 88200: + mclk = 11289600; + break; + default: + return -EINVAL; + } + + ret = snd_soc_dai_set_sysclk(cpu_dai, 0, mclk, + SND_SOC_CLOCK_OUT); + if (ret < 0) { + dev_err(codec_dai->dev, "Can't set cpu clock out %d\n", ret); + return ret; + } + + return 0; +} + static const struct snd_soc_ops rockchip_sound_max98357a_ops = { .hw_params = rockchip_sound_max98357a_hw_params, }; @@ -235,6 +274,10 @@ static const struct snd_soc_ops rockchip_sound_da7219_ops = { .hw_params = rockchip_sound_da7219_hw_params, }; +static struct snd_soc_ops rockchip_sound_cdndp_ops = { + .hw_params = rockchip_sound_cdndp_hw_params, +}; + static struct snd_soc_card rockchip_sound_card = { .name = "rk3399-gru-sound", .owner = THIS_MODULE, @@ -247,6 +290,7 @@ static struct snd_soc_card rockchip_sound_card = { }; enum { + DAILINK_CDNDP, DAILINK_DA7219, DAILINK_MAX98357A, DAILINK_RT5514, @@ -254,6 +298,7 @@ enum { }; static const char * const dailink_compat[] = { + [DAILINK_CDNDP] = "rockchip,rk3399-cdn-dp", [DAILINK_DA7219] = "dlg,da7219", [DAILINK_MAX98357A] = "maxim,max98357a", [DAILINK_RT5514] = "realtek,rt5514-i2c", @@ -261,6 +306,14 @@ static const char * const dailink_compat[] = { }; static const struct snd_soc_dai_link rockchip_dais[] = { + [DAILINK_CDNDP] = { + .name = "DP", + .stream_name = "DP PCM", + .codec_dai_name = "i2s-hifi", + .ops = &rockchip_sound_cdndp_ops, + .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | + SND_SOC_DAIFMT_CBS_CFS, + }, [DAILINK_DA7219] = { .name = "DA7219", .stream_name = "DA7219 PCM", @@ -311,7 +364,7 @@ static int rockchip_sound_codec_node_match(struct device_node *np_codec) static int rockchip_sound_of_parse_dais(struct device *dev, struct snd_soc_card *card) { - struct device_node *np_cpu; + struct device_node *np_cpu, *np_cpu0, *np_cpu1; struct device_node *np_codec; struct snd_soc_dai_link *dai; int i, index; @@ -321,7 +374,8 @@ static int rockchip_sound_of_parse_dais(struct device *dev, if (!card->dai_link) return -ENOMEM; - np_cpu = of_parse_phandle(dev->of_node, "rockchip,cpu", 0); + np_cpu0 = of_parse_phandle(dev->of_node, "rockchip,cpu", 0); + np_cpu1 = of_parse_phandle(dev->of_node, "rockchip,cpu", 1); card->num_links = 0; for (i = 0; i < ARRAY_SIZE(rockchip_dais); i++) { @@ -337,6 +391,7 @@ static int rockchip_sound_of_parse_dais(struct device *dev, if (index < 0) continue; + np_cpu = (index == DAILINK_CDNDP) ? np_cpu1 : np_cpu0; if (!np_cpu) { dev_err(dev, "Missing 'rockchip,cpu' for %s\n", rockchip_dais[index].name);