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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /sound/soc/pxa/mioa701_wm9713.c | |
parent | Initial commit. (diff) | |
download | linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip |
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'sound/soc/pxa/mioa701_wm9713.c')
-rw-r--r-- | sound/soc/pxa/mioa701_wm9713.c | 201 |
1 files changed, 201 insertions, 0 deletions
diff --git a/sound/soc/pxa/mioa701_wm9713.c b/sound/soc/pxa/mioa701_wm9713.c new file mode 100644 index 000000000..0fa37637e --- /dev/null +++ b/sound/soc/pxa/mioa701_wm9713.c @@ -0,0 +1,201 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Handles the Mitac mioa701 SoC system + * + * Copyright (C) 2008 Robert Jarzmik + * + * This is a little schema of the sound interconnections : + * + * Sagem X200 Wolfson WM9713 + * +--------+ +-------------------+ Rear Speaker + * | | | | /-+ + * | +--->----->---+MONOIN SPKL+--->----+-+ | + * | GSM | | | | | | + * | +--->----->---+PCBEEP SPKR+--->----+-+ | + * | CHIP | | | \-+ + * | +---<-----<---+MONO | + * | | | | Front Speaker + * +--------+ | | /-+ + * | HPL+--->----+-+ | + * | | | | | + * | OUT3+--->----+-+ | + * | | \-+ + * | | + * | | Front Micro + * | | + + * | MIC1+-----<--+o+ + * | | + + * +-------------------+ --- + */ + +#include <linux/module.h> +#include <linux/moduleparam.h> +#include <linux/platform_device.h> + +#include <asm/mach-types.h> +#include <linux/platform_data/asoc-pxa.h> + +#include <sound/core.h> +#include <sound/pcm.h> +#include <sound/soc.h> +#include <sound/initval.h> +#include <sound/ac97_codec.h> + +#include "../codecs/wm9713.h" + +#define AC97_GPIO_PULL 0x58 + +/* Use GPIO8 for rear speaker amplifier */ +static int rear_amp_power(struct snd_soc_component *component, int power) +{ + unsigned short reg; + + if (power) { + reg = snd_soc_component_read(component, AC97_GPIO_CFG); + snd_soc_component_write(component, AC97_GPIO_CFG, reg | 0x0100); + reg = snd_soc_component_read(component, AC97_GPIO_PULL); + snd_soc_component_write(component, AC97_GPIO_PULL, reg | (1<<15)); + } else { + reg = snd_soc_component_read(component, AC97_GPIO_CFG); + snd_soc_component_write(component, AC97_GPIO_CFG, reg & ~0x0100); + reg = snd_soc_component_read(component, AC97_GPIO_PULL); + snd_soc_component_write(component, AC97_GPIO_PULL, reg & ~(1<<15)); + } + + return 0; +} + +static int rear_amp_event(struct snd_soc_dapm_widget *widget, + struct snd_kcontrol *kctl, int event) +{ + struct snd_soc_card *card = widget->dapm->card; + struct snd_soc_pcm_runtime *rtd; + struct snd_soc_component *component; + + rtd = snd_soc_get_pcm_runtime(card, &card->dai_link[0]); + component = asoc_rtd_to_codec(rtd, 0)->component; + return rear_amp_power(component, SND_SOC_DAPM_EVENT_ON(event)); +} + +/* mioa701 machine dapm widgets */ +static const struct snd_soc_dapm_widget mioa701_dapm_widgets[] = { + SND_SOC_DAPM_SPK("Front Speaker", NULL), + SND_SOC_DAPM_SPK("Rear Speaker", rear_amp_event), + SND_SOC_DAPM_MIC("Headset", NULL), + SND_SOC_DAPM_LINE("GSM Line Out", NULL), + SND_SOC_DAPM_LINE("GSM Line In", NULL), + SND_SOC_DAPM_MIC("Headset Mic", NULL), + SND_SOC_DAPM_MIC("Front Mic", NULL), +}; + +static const struct snd_soc_dapm_route audio_map[] = { + /* Call Mic */ + {"Mic Bias", NULL, "Front Mic"}, + {"MIC1", NULL, "Mic Bias"}, + + /* Headset Mic */ + {"LINEL", NULL, "Headset Mic"}, + {"LINER", NULL, "Headset Mic"}, + + /* GSM Module */ + {"MONOIN", NULL, "GSM Line Out"}, + {"PCBEEP", NULL, "GSM Line Out"}, + {"GSM Line In", NULL, "MONO"}, + + /* headphone connected to HPL, HPR */ + {"Headset", NULL, "HPL"}, + {"Headset", NULL, "HPR"}, + + /* front speaker connected to HPL, OUT3 */ + {"Front Speaker", NULL, "HPL"}, + {"Front Speaker", NULL, "OUT3"}, + + /* rear speaker connected to SPKL, SPKR */ + {"Rear Speaker", NULL, "SPKL"}, + {"Rear Speaker", NULL, "SPKR"}, +}; + +static int mioa701_wm9713_init(struct snd_soc_pcm_runtime *rtd) +{ + struct snd_soc_component *component = asoc_rtd_to_codec(rtd, 0)->component; + + /* Prepare GPIO8 for rear speaker amplifier */ + snd_soc_component_update_bits(component, AC97_GPIO_CFG, 0x100, 0x100); + + /* Prepare MIC input */ + snd_soc_component_update_bits(component, AC97_3D_CONTROL, 0xc000, 0xc000); + + return 0; +} + +static struct snd_soc_ops mioa701_ops; + +SND_SOC_DAILINK_DEFS(ac97, + DAILINK_COMP_ARRAY(COMP_CPU("pxa2xx-ac97")), + DAILINK_COMP_ARRAY(COMP_CODEC("wm9713-codec", "wm9713-hifi")), + DAILINK_COMP_ARRAY(COMP_PLATFORM("pxa-pcm-audio"))); + +SND_SOC_DAILINK_DEFS(ac97_aux, + DAILINK_COMP_ARRAY(COMP_CPU("pxa2xx-ac97-aux")), + DAILINK_COMP_ARRAY(COMP_CODEC("wm9713-codec", "wm9713-aux")), + DAILINK_COMP_ARRAY(COMP_PLATFORM("pxa-pcm-audio"))); + +static struct snd_soc_dai_link mioa701_dai[] = { + { + .name = "AC97", + .stream_name = "AC97 HiFi", + .init = mioa701_wm9713_init, + .ops = &mioa701_ops, + SND_SOC_DAILINK_REG(ac97), + }, + { + .name = "AC97 Aux", + .stream_name = "AC97 Aux", + .ops = &mioa701_ops, + SND_SOC_DAILINK_REG(ac97_aux), + }, +}; + +static struct snd_soc_card mioa701 = { + .name = "MioA701", + .owner = THIS_MODULE, + .dai_link = mioa701_dai, + .num_links = ARRAY_SIZE(mioa701_dai), + + .dapm_widgets = mioa701_dapm_widgets, + .num_dapm_widgets = ARRAY_SIZE(mioa701_dapm_widgets), + .dapm_routes = audio_map, + .num_dapm_routes = ARRAY_SIZE(audio_map), +}; + +static int mioa701_wm9713_probe(struct platform_device *pdev) +{ + int rc; + + if (!machine_is_mioa701()) + return -ENODEV; + + mioa701.dev = &pdev->dev; + rc = devm_snd_soc_register_card(&pdev->dev, &mioa701); + if (!rc) + dev_warn(&pdev->dev, "Be warned that incorrect mixers/muxes setup will " + "lead to overheating and possible destruction of your device." + " Do not use without a good knowledge of mio's board design!\n"); + return rc; +} + +static struct platform_driver mioa701_wm9713_driver = { + .probe = mioa701_wm9713_probe, + .driver = { + .name = "mioa701-wm9713", + .pm = &snd_soc_pm_ops, + }, +}; + +module_platform_driver(mioa701_wm9713_driver); + +/* Module information */ +MODULE_AUTHOR("Robert Jarzmik (rjarzmik@free.fr)"); +MODULE_DESCRIPTION("ALSA SoC WM9713 MIO A701"); +MODULE_LICENSE("GPL"); +MODULE_ALIAS("platform:mioa701-wm9713"); |