Re: [PATCH v5] sun4i-codec: add inputs

From: Maxime Ripard
Date: Thu Dec 10 2015 - 12:54:30 EST

Hi,

On Tue, Dec 08, 2015 at 04:20:13AM +0100, Danny Milosavljevic wrote:
> Hi,
>
> this is the fifth version of the patch that adds inputs to sun4i-codec.
> (Previous versions have been on the linux-sunxi mailing list only)
>
> The inputs added are:
> - FM-In Left and Right
> - Line-In Left and Right
> - Mic1-In
> - Mic2-In
>
> Changes compared to v4 are:
> - Mic preamplifier controls have more common names now.
> - Mic preamplifier scale has a 0 dB entry as well now, as documented in the
> A20 user manual.
> - Mic preamplifier has special cases for A20 and A10 now.
> - Gain controls have "Gain" in the name now.
>
> I successfully tested it on an A20 board using alsamixer, headphones, a radio and
> my ears.
> Note that because of missing capturing support I tested only the mixing,
> for Mic, Line, and FM.
>
> The patches are on top of <git://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux.git>,
> branch "sunxi/for-next".
>
> Regards,
> Danny
>
> Danny (1):
> b/sound/soc/sunxi/sun4i-codec.c | 153 +++++++++++++++++++++++++++++++++++++++-
> 1 file changed, 150 insertions(+), 3 deletions(-)
>
> Signed-off-by: Danny Milosavljevic <dannym+a@xxxxxxxxxxxxxxx>
> ---
> diff --git a/sound/soc/sunxi/sun4i-codec.c b/sound/soc/sunxi/sun4i-codec.c
> index bcbf4da..106b568 100644
> --- a/sound/soc/sunxi/sun4i-codec.c
> +++ b/sound/soc/sunxi/sun4i-codec.c
> @@ -57,9 +57,20 @@
> #define SUN4I_CODEC_DAC_ACTL_DACAENR (31)
> #define SUN4I_CODEC_DAC_ACTL_DACAENL (30)
> #define SUN4I_CODEC_DAC_ACTL_MIXEN (29)
> +#define SUN4I_CODEC_DAC_ACTL_LNG (26)
> +#define SUN4I_CODEC_DAC_ACTL_FMG (23)
> +#define SUN4I_CODEC_DAC_ACTL_MICG (20)
> +#define SUN4I_CODEC_DAC_ACTL_LLNS (19)
> +#define SUN4I_CODEC_DAC_ACTL_RLNS (18)
> +#define SUN4I_CODEC_DAC_ACTL_LFMS (17)
> +#define SUN4I_CODEC_DAC_ACTL_RFMS (16)
> #define SUN4I_CODEC_DAC_ACTL_LDACLMIXS (15)
> #define SUN4I_CODEC_DAC_ACTL_RDACRMIXS (14)
> #define SUN4I_CODEC_DAC_ACTL_LDACRMIXS (13)
> +#define SUN4I_CODEC_DAC_ACTL_MIC1LS (12)
> +#define SUN4I_CODEC_DAC_ACTL_MIC1RS (11)
> +#define SUN4I_CODEC_DAC_ACTL_MIC2LS (10)
> +#define SUN4I_CODEC_DAC_ACTL_MIC2RS (9)
> #define SUN4I_CODEC_DAC_ACTL_DACPAS (8)
> #define SUN4I_CODEC_DAC_ACTL_MIXPAS (7)
> #define SUN4I_CODEC_DAC_ACTL_PA_MUTE (6)
> @@ -84,8 +95,11 @@
> #define SUN4I_CODEC_ADC_ACTL_PREG1EN (29)
> #define SUN4I_CODEC_ADC_ACTL_PREG2EN (28)
> #define SUN4I_CODEC_ADC_ACTL_VMICEN (27)
> +#define SUN4I_CODEC_ADC_ACTL_PREG1_A10 (25)
> +#define SUN4I_CODEC_ADC_ACTL_PREG2_A10 (23)
> #define SUN4I_CODEC_ADC_ACTL_VADCG (20)
> #define SUN4I_CODEC_ADC_ACTL_ADCIS (17)
> +#define SUN4I_CODEC_ADC_ACTL_LNRDF (16)
> #define SUN4I_CODEC_ADC_ACTL_PA_EN (4)
> #define SUN4I_CODEC_ADC_ACTL_DDE (3)
> #define SUN4I_CODEC_ADC_DEBUG (0x2c)
> @@ -94,7 +108,18 @@
> #define SUN4I_CODEC_DAC_TXCNT (0x30)
> #define SUN4I_CODEC_ADC_RXCNT (0x34)
> #define SUN4I_CODEC_AC_SYS_VERI (0x38)
> -#define SUN4I_CODEC_AC_MIC_PHONE_CAL (0x3c)
> +
> +/* MIC_PHONE_CAL register offsets and bit fields (A20 only) */
> +#define SUN7I_CODEC_AC_MIC_PHONE_CAL (0x3c)
> +#define SUN7I_CODEC_AC_MIC_PHONE_CAL_PREG1 (29)
> +#define SUN7I_CODEC_AC_MIC_PHONE_CAL_PREG2 (26)
> +/* note: no idea where the output pins for the following are. */
> +#define SUN7I_CODEC_AC_MIC_PHONE_CAL_PHONEOUTG (5)
> +#define SUN7I_CODEC_AC_MIC_PHONE_CAL_PHONEOUTEN (4)
> +#define SUN7I_CODEC_AC_MIC_PHONE_CAL_PHONEOUTS3 (3)
> +#define SUN7I_CODEC_AC_MIC_PHONE_CAL_PHONEOUTS2 (2)
> +#define SUN7I_CODEC_AC_MIC_PHONE_CAL_PHONEOUTS1 (1)
> +#define SUN7I_CODEC_AC_MIC_PHONE_CAL_PHONEOUTS0 (0)
>
> struct sun4i_codec {
> struct device *dev;
> @@ -402,16 +427,94 @@ static const struct snd_kcontrol_new sun4i_codec_pa_mute =
> SUN4I_CODEC_DAC_ACTL_PA_MUTE, 1, 0);
>
> static DECLARE_TLV_DB_SCALE(sun4i_codec_pa_volume_scale, -6300, 100, 1);
> +static DECLARE_TLV_DB_SCALE(sun4i_codec_linein_loopback_gain_scale, -150, 150, 0);
> +static DECLARE_TLV_DB_SCALE(sun4i_codec_fmin_loopback_gain_scale, -450, 150, 0);
> +static DECLARE_TLV_DB_SCALE(sun4i_codec_micin_loopback_gain_scale, -450, 150, 0);
> +static DECLARE_TLV_DB_RANGE(sun7i_codec_micin_preamp_gain_scale,
> + 0, 0, TLV_DB_SCALE_ITEM(0, 0, 0),
> + 1, 7, TLV_DB_SCALE_ITEM(2400, 300, 0)
> +);
> +static DECLARE_TLV_DB_RANGE(sun4i_codec_micin_preamp_gain_scale_a10,
> + 0, 0, TLV_DB_SCALE_ITEM(0, 0, 0),
> + 1, 7, TLV_DB_SCALE_ITEM(3500, 300, 0)
> +);
> +
> +struct snd_kcontrol_new sun7ionly_codec_widgets[] = {
> + SOC_SINGLE_TLV("Mic1-In Boost Gain",
> + SUN7I_CODEC_AC_MIC_PHONE_CAL,
> + SUN7I_CODEC_AC_MIC_PHONE_CAL_PREG1,
> + 7,
> + 0,
> + sun7i_codec_micin_preamp_gain_scale),
> + SOC_SINGLE_TLV("Mic2-In Boost Gain",
> + SUN7I_CODEC_AC_MIC_PHONE_CAL,
> + SUN7I_CODEC_AC_MIC_PHONE_CAL_PREG2,
> + 7,
> + 0,
> + sun7i_codec_micin_preamp_gain_scale),
> +};
>
> -static const struct snd_kcontrol_new sun4i_codec_widgets[] = {
> +/* Note: this is modified by the sun4i_codec_probe() function. */
> +static struct snd_kcontrol_new sun4i_codec_widgets[] = {
> SOC_SINGLE_TLV("PA Volume", SUN4I_CODEC_DAC_ACTL,
> SUN4I_CODEC_DAC_ACTL_PA_VOL, 0x3F, 0,
> sun4i_codec_pa_volume_scale),
> + /* Line-In, FM-In, Mic1-In, Mic2-In */
> + SOC_SINGLE_TLV("Line-In Playback Gain",
> + SUN4I_CODEC_DAC_ACTL,
> + SUN4I_CODEC_DAC_ACTL_LNG,
> + 1,
> + 0,
> + sun4i_codec_linein_loopback_gain_scale),
> + SOC_SINGLE_TLV("FM-In Playback Gain",
> + SUN4I_CODEC_DAC_ACTL,
> + SUN4I_CODEC_DAC_ACTL_FMG,
> + 3,
> + 0,
> + sun4i_codec_fmin_loopback_gain_scale),
> + SOC_SINGLE_TLV("Mic-In Playback Gain",
> + SUN4I_CODEC_DAC_ACTL,
> + SUN4I_CODEC_DAC_ACTL_MICG,
> + 7,
> + 0,
> + sun4i_codec_micin_loopback_gain_scale),
> + SOC_SINGLE_TLV("Mic1-In Boost Gain",
> + SUN4I_CODEC_ADC_ACTL,
> + SUN4I_CODEC_ADC_ACTL_PREG1_A10,
> + 3,
> + 0,
> + sun4i_codec_micin_preamp_gain_scale_a10),
> + SOC_SINGLE_TLV("Mic2-In Boost Gain",
> + SUN4I_CODEC_ADC_ACTL,
> + SUN4I_CODEC_ADC_ACTL_PREG2_A10,
> + 3,
> + 0,
> + sun4i_codec_micin_preamp_gain_scale_a10),
> + SOC_SINGLE_TLV("Mic1-In Boost Switch",
> + SUN4I_CODEC_ADC_ACTL,
> + SUN4I_CODEC_ADC_ACTL_PREG1EN,
> + 1,
> + 0,
> + NULL),
> + SOC_SINGLE_TLV("Mic2-In Boost Switch",
> + SUN4I_CODEC_ADC_ACTL,
> + SUN4I_CODEC_ADC_ACTL_PREG2EN,
> + 1,
> + 0,
> + NULL),
> };
>
> static const struct snd_kcontrol_new sun4i_codec_left_mixer_controls[] = {
> SOC_DAPM_SINGLE("Left DAC Playback Switch", SUN4I_CODEC_DAC_ACTL,
> SUN4I_CODEC_DAC_ACTL_LDACLMIXS, 1, 0),
> + SOC_DAPM_SINGLE("Left Line-In Playback Switch", SUN4I_CODEC_DAC_ACTL,
> + SUN4I_CODEC_DAC_ACTL_LLNS, 1, 0),
> + SOC_DAPM_SINGLE("Left FM-In Playback Switch", SUN4I_CODEC_DAC_ACTL,
> + SUN4I_CODEC_DAC_ACTL_LFMS, 1, 0),
> + SOC_DAPM_SINGLE("Mic1-In Playback Switch", SUN4I_CODEC_DAC_ACTL,
> + SUN4I_CODEC_DAC_ACTL_MIC1LS, 1, 0),
> + SOC_DAPM_SINGLE("Mic2-In Playback Switch", SUN4I_CODEC_DAC_ACTL,
> + SUN4I_CODEC_DAC_ACTL_MIC2LS, 1, 0),
> };
>
> static const struct snd_kcontrol_new sun4i_codec_right_mixer_controls[] = {
> @@ -419,6 +522,14 @@ static const struct snd_kcontrol_new sun4i_codec_right_mixer_controls[] = {
> SUN4I_CODEC_DAC_ACTL_RDACRMIXS, 1, 0),
> SOC_DAPM_SINGLE("Left DAC Playback Switch", SUN4I_CODEC_DAC_ACTL,
> SUN4I_CODEC_DAC_ACTL_LDACRMIXS, 1, 0),
> + SOC_DAPM_SINGLE("Right Line-In Playback Switch", SUN4I_CODEC_DAC_ACTL,
> + SUN4I_CODEC_DAC_ACTL_RLNS, 1, 0),
> + SOC_DAPM_SINGLE("Right FM-In Playback Switch", SUN4I_CODEC_DAC_ACTL,
> + SUN4I_CODEC_DAC_ACTL_RFMS, 1, 0),
> + SOC_DAPM_SINGLE("Mic1-In Playback Switch", SUN4I_CODEC_DAC_ACTL,
> + SUN4I_CODEC_DAC_ACTL_MIC1RS, 1, 0),
> + SOC_DAPM_SINGLE("Mic2-In Playback Switch", SUN4I_CODEC_DAC_ACTL,
> + SUN4I_CODEC_DAC_ACTL_MIC2RS, 1, 0),
> };

Do we need the -In part of FM, Mic1 and Mic2?

>
> static const struct snd_kcontrol_new sun4i_codec_pa_mixer_controls[] = {
> @@ -462,8 +573,16 @@ static const struct snd_soc_dapm_widget sun4i_codec_dapm_widgets[] = {
>
> SND_SOC_DAPM_OUTPUT("HP Right"),
> SND_SOC_DAPM_OUTPUT("HP Left"),
> +
> + SND_SOC_DAPM_INPUT("Line-In Right"),
> + SND_SOC_DAPM_INPUT("Line-In Left"),
> + SND_SOC_DAPM_INPUT("FM-In Right"),
> + SND_SOC_DAPM_INPUT("FM-In Left"),
> + SND_SOC_DAPM_INPUT("Mic1-In"),

Mic1 is already defined a few lines above.

> + SND_SOC_DAPM_INPUT("Mic2-In"),
> };
>
> +/* {sink, control, source} */
> static const struct snd_soc_dapm_route sun4i_codec_dapm_routes[] = {
> /* Left DAC Routes */
> { "Left DAC", NULL, "DAC" },
> @@ -490,6 +609,20 @@ static const struct snd_soc_dapm_route sun4i_codec_dapm_routes[] = {
> { "Pre-Amplifier Mute", "Switch", "Pre-Amplifier" },
> { "HP Right", NULL, "Pre-Amplifier Mute" },
> { "HP Left", NULL, "Pre-Amplifier Mute" },
> +
> + /* Line-In, FM-In */
> + { "Right Mixer", "Right Line-In Playback Switch", "Line-In Right" },
> + { "Left Mixer", "Left Line-In Playback Switch", "Line-In Left" },
> + { "Right Mixer", "Right FM-In Playback Switch", "FM-In Right" },
> + { "Left Mixer", "Left FM-In Playback Switch", "FM-In Left" },
> +
> + /* Mic1-In */
> + { "Right Mixer", "Mic1-In Playback Switch", "Mic1-In" },
> + { "Left Mixer", "Mic1-In Playback Switch", "Mic1-In" },
> +
> + /* Mic2-In */
> + { "Right Mixer", "Mic2-In Playback Switch", "Mic2-In" },
> + { "Left Mixer", "Mic2-In Playback Switch", "Mic2-In" },

And you have the Mixers routes a bit above too.

> };
>
> static struct snd_soc_codec_driver sun4i_codec_codec = {
> @@ -537,7 +670,7 @@ static const struct regmap_config sun4i_codec_regmap_config = {
> .reg_bits = 32,
> .reg_stride = 4,
> .val_bits = 32,
> - .max_register = SUN4I_CODEC_AC_MIC_PHONE_CAL,
> + .max_register = SUN7I_CODEC_AC_MIC_PHONE_CAL,
> };
>
> static const struct of_device_id sun4i_codec_of_match[] = {
> @@ -594,6 +727,20 @@ static int sun4i_codec_probe(struct platform_device *pdev)
> void __iomem *base;
> int ret;
>
> + if (of_device_is_compatible(pdev->dev.of_node, "allwinner,sun7i-a20-codec")) {
> + size_t i, j;
> + for (i = 0; i < ARRAY_SIZE(sun7ionly_codec_widgets); ++i) {
> + struct snd_kcontrol_new *new_kcontrol;
> + new_kcontrol = &sun7ionly_codec_widgets[i];
> + for (j = 0; j < ARRAY_SIZE(sun4i_codec_widgets); ++j) {
> + struct snd_kcontrol_new *kcontrol;
> + kcontrol = &sun4i_codec_widgets[j];
> + if (strcmp(kcontrol->name, new_kcontrol->name) == 0)
> + memcpy(kcontrol, new_kcontrol, sizeof(*kcontrol));
> + }
> + }
> + }
> +

We'll need to fix that, see the other discussion.

Thanks!
Maxime

--
Maxime Ripard, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com

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