^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0-only
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * e740-wm9705.c -- SoC audio for e740
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Copyright 2007 (c) Ian Molton <spyro@f2s.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include <linux/moduleparam.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/gpio.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <sound/core.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <sound/pcm.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <sound/soc.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <mach/audio.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <mach/eseries-gpio.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #include <asm/mach-types.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #define E740_AUDIO_OUT 1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #define E740_AUDIO_IN 2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) static int e740_audio_power;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) static void e740_sync_audio_power(int status)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) gpio_set_value(GPIO_E740_WM9705_nAVDD2, !status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) gpio_set_value(GPIO_E740_AMP_ON, (status & E740_AUDIO_OUT) ? 1 : 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) gpio_set_value(GPIO_E740_MIC_ON, (status & E740_AUDIO_IN) ? 1 : 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) static int e740_mic_amp_event(struct snd_soc_dapm_widget *w,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) struct snd_kcontrol *kcontrol, int event)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) if (event & SND_SOC_DAPM_PRE_PMU)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) e740_audio_power |= E740_AUDIO_IN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) else if (event & SND_SOC_DAPM_POST_PMD)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) e740_audio_power &= ~E740_AUDIO_IN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) e740_sync_audio_power(e740_audio_power);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) static int e740_output_amp_event(struct snd_soc_dapm_widget *w,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) struct snd_kcontrol *kcontrol, int event)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) if (event & SND_SOC_DAPM_PRE_PMU)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) e740_audio_power |= E740_AUDIO_OUT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) else if (event & SND_SOC_DAPM_POST_PMD)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) e740_audio_power &= ~E740_AUDIO_OUT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) e740_sync_audio_power(e740_audio_power);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) static const struct snd_soc_dapm_widget e740_dapm_widgets[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) SND_SOC_DAPM_HP("Headphone Jack", NULL),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) SND_SOC_DAPM_SPK("Speaker", NULL),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) SND_SOC_DAPM_MIC("Mic (Internal)", NULL),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) SND_SOC_DAPM_PGA_E("Output Amp", SND_SOC_NOPM, 0, 0, NULL, 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) e740_output_amp_event, SND_SOC_DAPM_PRE_PMU |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) SND_SOC_DAPM_POST_PMD),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) SND_SOC_DAPM_PGA_E("Mic Amp", SND_SOC_NOPM, 0, 0, NULL, 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) e740_mic_amp_event, SND_SOC_DAPM_PRE_PMU |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) SND_SOC_DAPM_POST_PMD),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) static const struct snd_soc_dapm_route audio_map[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) {"Output Amp", NULL, "LOUT"},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) {"Output Amp", NULL, "ROUT"},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) {"Output Amp", NULL, "MONOOUT"},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) {"Speaker", NULL, "Output Amp"},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) {"Headphone Jack", NULL, "Output Amp"},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) {"MIC1", NULL, "Mic Amp"},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) {"Mic Amp", NULL, "Mic (Internal)"},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) SND_SOC_DAILINK_DEFS(ac97,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) DAILINK_COMP_ARRAY(COMP_CPU("pxa2xx-ac97")),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) DAILINK_COMP_ARRAY(COMP_CODEC("wm9705-codec", "wm9705-hifi")),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) DAILINK_COMP_ARRAY(COMP_PLATFORM("pxa-pcm-audio")));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) SND_SOC_DAILINK_DEFS(ac97_aux,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) DAILINK_COMP_ARRAY(COMP_CPU("pxa2xx-ac97-aux")),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) DAILINK_COMP_ARRAY(COMP_CODEC("wm9705-codec", "wm9705-aux")),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) DAILINK_COMP_ARRAY(COMP_PLATFORM("pxa-pcm-audio")));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) static struct snd_soc_dai_link e740_dai[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) .name = "AC97",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) .stream_name = "AC97 HiFi",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) SND_SOC_DAILINK_REG(ac97),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) .name = "AC97 Aux",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) .stream_name = "AC97 Aux",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) SND_SOC_DAILINK_REG(ac97_aux),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) static struct snd_soc_card e740 = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) .name = "Toshiba e740",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) .owner = THIS_MODULE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) .dai_link = e740_dai,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) .num_links = ARRAY_SIZE(e740_dai),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) .dapm_widgets = e740_dapm_widgets,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) .num_dapm_widgets = ARRAY_SIZE(e740_dapm_widgets),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) .dapm_routes = audio_map,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) .num_dapm_routes = ARRAY_SIZE(audio_map),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) .fully_routed = true,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) static struct gpio e740_audio_gpios[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) { GPIO_E740_MIC_ON, GPIOF_OUT_INIT_LOW, "Mic amp" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) { GPIO_E740_AMP_ON, GPIOF_OUT_INIT_LOW, "Output amp" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) { GPIO_E740_WM9705_nAVDD2, GPIOF_OUT_INIT_HIGH, "Audio power" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) static int e740_probe(struct platform_device *pdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) struct snd_soc_card *card = &e740;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) ret = gpio_request_array(e740_audio_gpios,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) ARRAY_SIZE(e740_audio_gpios));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) card->dev = &pdev->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) ret = devm_snd_soc_register_card(&pdev->dev, card);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) gpio_free_array(e740_audio_gpios, ARRAY_SIZE(e740_audio_gpios));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) static int e740_remove(struct platform_device *pdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) gpio_free_array(e740_audio_gpios, ARRAY_SIZE(e740_audio_gpios));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) static struct platform_driver e740_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) .driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) .name = "e740-audio",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) .pm = &snd_soc_pm_ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) .probe = e740_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) .remove = e740_remove,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) module_platform_driver(e740_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) /* Module information */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) MODULE_AUTHOR("Ian Molton <spyro@f2s.com>");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) MODULE_DESCRIPTION("ALSA SoC driver for e740");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) MODULE_LICENSE("GPL v2");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) MODULE_ALIAS("platform:e740-audio");
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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