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Mon, 17 Feb 2020 01:43:07 -0500 (EST) From: Samuel Holland To: Mark Brown , Liam Girdwood , Rob Herring , Mark Rutland , Maxime Ripard , Chen-Yu Tsai , Vasily Khoruzhick , =?UTF-8?q?Myl=C3=A8ne=20Josserand?= , Jaroslav Kysela , Takashi Iwai Subject: [RFC PATCH 28/34] ASoC: sun8i-codec: Add AIF loopback controls Date: Mon, 17 Feb 2020 00:42:44 -0600 Message-Id: <20200217064250.15516-29-samuel@sholland.org> X-Mailer: git-send-email 2.24.1 In-Reply-To: <20200217064250.15516-1-samuel@sholland.org> References: <20200217064250.15516-1-samuel@sholland.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200216_224310_425878_53872E57 X-CRM114-Status: UNSURE ( 9.98 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Samuel Holland Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org This allows controlling the loopback flag for each AIF. This is useful for developing/testing complicated audio routing scenarios (such as recording a phone call while using a BT headset for mic/earpiece) without needing to involve the devices on the other end of the DAI links. Signed-off-by: Samuel Holland --- sound/soc/sunxi/sun8i-codec.c | 48 +++++++++++++++++++++++++++++++++++ 1 file changed, 48 insertions(+) diff --git a/sound/soc/sunxi/sun8i-codec.c b/sound/soc/sunxi/sun8i-codec.c index fdb9bf346cc2..245145e36357 100644 --- a/sound/soc/sunxi/sun8i-codec.c +++ b/sound/soc/sunxi/sun8i-codec.c @@ -63,6 +63,7 @@ #define SUN8I_AIF1_DACDAT_CTRL_AIF1_DA0R_ENA 14 #define SUN8I_AIF1_DACDAT_CTRL_AIF1_DA0L_SRC 10 #define SUN8I_AIF1_DACDAT_CTRL_AIF1_DA0R_SRC 8 +#define SUN8I_AIF1_DACDAT_CTRL_AIF1_LOOP_ENA 0 #define SUN8I_AIF1_MXR_SRC 0x04c #define SUN8I_AIF1_MXR_SRC_AD0L_MXR_SRC_AIF1DA0L 15 #define SUN8I_AIF1_MXR_SRC_AD0L_MXR_SRC_AIF2DACL 14 @@ -82,6 +83,7 @@ #define SUN8I_AIF2_DACDAT_CTRL_AIF2_DACR_ENA 14 #define SUN8I_AIF2_DACDAT_CTRL_AIF2_DACL_SRC 10 #define SUN8I_AIF2_DACDAT_CTRL_AIF2_DACR_SRC 8 +#define SUN8I_AIF2_DACDAT_CTRL_AIF2_LOOP_ENA 0 #define SUN8I_AIF2_MXR_SRC 0x08c #define SUN8I_AIF2_MXR_SRC_ADCL_MXR_SRC_AIF1DA0L 15 #define SUN8I_AIF2_MXR_SRC_ADCL_MXR_SRC_AIF1DA1L 14 @@ -519,6 +521,21 @@ static struct snd_soc_dai_driver sun8i_codec_dais[] = { }, }; +static const struct snd_kcontrol_new sun8i_aif1_loopback_switch = + SOC_DAPM_SINGLE("AIF1 Loopback Switch", + SUN8I_AIF1_DACDAT_CTRL, + SUN8I_AIF1_DACDAT_CTRL_AIF1_LOOP_ENA, 1, 0); + +static const struct snd_kcontrol_new sun8i_aif2_loopback_switch = + SOC_DAPM_SINGLE("AIF2 Loopback Switch", + SUN8I_AIF2_DACDAT_CTRL, + SUN8I_AIF2_DACDAT_CTRL_AIF2_LOOP_ENA, 1, 0); + +static const struct snd_kcontrol_new sun8i_aif3_loopback_switch = + SOC_DAPM_SINGLE("Switch", + SUN8I_AIF3_DACDAT_CTRL, + SUN8I_AIF3_DACDAT_CTRL_AIF3_LOOP_ENA, 1, 0); + static const char *const sun8i_aif_stereo_mux_enum_names[] = { "Stereo", "Reverse Stereo", "Sum Mono", "Mix Mono" }; @@ -643,6 +660,20 @@ static const struct snd_kcontrol_new sun8i_dac_mixer_controls[] = { }; static const struct snd_soc_dapm_widget sun8i_codec_dapm_widgets[] = { + /* AIF Loopback Switches */ + SND_SOC_DAPM_SWITCH("AIF1 Slot 0 Left Loopback", SND_SOC_NOPM, 0, 0, + &sun8i_aif1_loopback_switch), + SND_SOC_DAPM_SWITCH("AIF1 Slot 0 Right Loopback", SND_SOC_NOPM, 0, 0, + &sun8i_aif1_loopback_switch), + + SND_SOC_DAPM_SWITCH("AIF2 Left Loopback", SND_SOC_NOPM, 0, 0, + &sun8i_aif2_loopback_switch), + SND_SOC_DAPM_SWITCH("AIF2 Right Loopback", SND_SOC_NOPM, 0, 0, + &sun8i_aif2_loopback_switch), + + SND_SOC_DAPM_SWITCH("AIF3 Loopback", SND_SOC_NOPM, 0, 0, + &sun8i_aif3_loopback_switch), + /* AIF "ADC" Outputs */ SND_SOC_DAPM_AIF_OUT("AIF1 AD0 Left", "AIF1 Capture", 0, SUN8I_AIF1_ADCDAT_CTRL, @@ -776,6 +807,15 @@ static const struct snd_soc_dapm_widget sun8i_codec_dapm_widgets[] = { }; static const struct snd_soc_dapm_route sun8i_codec_dapm_routes[] = { + /* AIF Loopback Routes */ + { "AIF1 Slot 0 Left Loopback", "AIF1 Loopback Switch", "AIF1 AD0 Left" }, + { "AIF1 Slot 0 Right Loopback", "AIF1 Loopback Switch", "AIF1 AD0 Right" }, + + { "AIF2 Left Loopback", "AIF2 Loopback Switch", "AIF2 ADC Left" }, + { "AIF2 Right Loopback", "AIF2 Loopback Switch", "AIF2 ADC Right" }, + + { "AIF3 Loopback", "Switch", "AIF3 ADC" }, + /* AIF "ADC" Output Routes */ { "AIF1 AD0 Left", NULL, "AIF1 AD0 Left Stereo Mux" }, { "AIF1 AD0 Right", NULL, "AIF1 AD0 Right Stereo Mux" }, @@ -882,12 +922,20 @@ static const struct snd_soc_dapm_route sun8i_codec_dapm_routes[] = { { "AIF2 DAC Right Stereo Mux", "Mix Mono", "AIF2 DAC Right" }, /* AIF "DAC" Input Routes */ + { "AIF1 DA0 Left", NULL, "AIF1 Slot 0 Left Loopback" }, + { "AIF1 DA0 Right", NULL, "AIF1 Slot 0 Right Loopback" }, + { "AIF1 DA0 Left", NULL, "AIF1CLK" }, { "AIF1 DA0 Right", NULL, "AIF1CLK" }, + { "AIF2 DAC Left", NULL, "AIF2 Left Loopback" }, + { "AIF2 DAC Right", NULL, "AIF2 Right Loopback" }, + { "AIF2 DAC Left", NULL, "AIF2CLK" }, { "AIF2 DAC Right", NULL, "AIF2CLK" }, + { "AIF3 DAC", NULL, "AIF3 Loopback" }, + /* Main DAC Output Routes */ { "DAC Left", NULL, "DAC Left Mixer" }, { "DAC Right", NULL, "DAC Right Mixer" }, -- 2.24.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel