^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0-or-later
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * SoC audio for HP iPAQ hx4700
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Copyright (c) 2009 Philipp Zabel
^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/timer.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/interrupt.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/platform_device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/delay.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <linux/gpio.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <sound/core.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <sound/jack.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <sound/pcm.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include <sound/pcm_params.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #include <sound/soc.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #include <mach/hx4700.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #include <asm/mach-types.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) #include "pxa2xx-i2s.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) static struct snd_soc_jack hs_jack;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) /* Headphones jack detection DAPM pin */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) static struct snd_soc_jack_pin hs_jack_pin[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) .pin = "Headphone Jack",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) .mask = SND_JACK_HEADPHONE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) .pin = "Speaker",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) /* disable speaker when hp jack is inserted */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) .mask = SND_JACK_HEADPHONE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) .invert = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) /* Headphones jack detection GPIO */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) static struct snd_soc_jack_gpio hs_jack_gpio = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) .gpio = GPIO75_HX4700_EARPHONE_nDET,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) .invert = true,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) .name = "hp-gpio",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) .report = SND_JACK_HEADPHONE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) .debounce_time = 200,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) * iPAQ hx4700 uses I2S for capture and playback.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) static int hx4700_hw_params(struct snd_pcm_substream *substream,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) struct snd_pcm_hw_params *params)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) int ret = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) /* set the I2S system clock as output */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) ret = snd_soc_dai_set_sysclk(cpu_dai, PXA2XX_I2S_SYSCLK, 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) SND_SOC_CLOCK_OUT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) /* inform codec driver about clock freq *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) * (PXA I2S always uses divider 256) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) ret = snd_soc_dai_set_sysclk(codec_dai, 0, 256 * params_rate(params),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) SND_SOC_CLOCK_IN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) static const struct snd_soc_ops hx4700_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) .hw_params = hx4700_hw_params,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) static int hx4700_spk_power(struct snd_soc_dapm_widget *w,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) struct snd_kcontrol *k, int event)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) gpio_set_value(GPIO107_HX4700_SPK_nSD, !!SND_SOC_DAPM_EVENT_ON(event));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) static int hx4700_hp_power(struct snd_soc_dapm_widget *w,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) struct snd_kcontrol *k, int event)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) gpio_set_value(GPIO92_HX4700_HP_DRIVER, !!SND_SOC_DAPM_EVENT_ON(event));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) /* hx4700 machine dapm widgets */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) static const struct snd_soc_dapm_widget hx4700_dapm_widgets[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) SND_SOC_DAPM_HP("Headphone Jack", hx4700_hp_power),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) SND_SOC_DAPM_SPK("Speaker", hx4700_spk_power),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) SND_SOC_DAPM_MIC("Built-in Microphone", NULL),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) /* hx4700 machine audio_map */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) static const struct snd_soc_dapm_route hx4700_audio_map[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) /* Headphone connected to LOUT, ROUT */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) {"Headphone Jack", NULL, "LOUT"},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) {"Headphone Jack", NULL, "ROUT"},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) /* Speaker connected to MOUT2 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) {"Speaker", NULL, "MOUT2"},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) /* Microphone connected to MICIN */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) {"MICIN", NULL, "Built-in Microphone"},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) {"AIN", NULL, "MICOUT"},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) * Logic for a ak4641 as connected on a HP iPAQ hx4700
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) static int hx4700_ak4641_init(struct snd_soc_pcm_runtime *rtd)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) /* Jack detection API stuff */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) err = snd_soc_card_jack_new(rtd->card, "Headphone Jack",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) SND_JACK_HEADPHONE, &hs_jack, hs_jack_pin,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) ARRAY_SIZE(hs_jack_pin));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) err = snd_soc_jack_add_gpios(&hs_jack, 1, &hs_jack_gpio);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) /* hx4700 digital audio interface glue - connects codec <--> CPU */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) SND_SOC_DAILINK_DEFS(ak4641,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) DAILINK_COMP_ARRAY(COMP_CPU("pxa2xx-i2s")),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) DAILINK_COMP_ARRAY(COMP_CODEC("ak4641.0-0012", "ak4641-hifi")),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) DAILINK_COMP_ARRAY(COMP_PLATFORM("pxa-pcm-audio")));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) static struct snd_soc_dai_link hx4700_dai = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) .name = "ak4641",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) .stream_name = "AK4641",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) .init = hx4700_ak4641_init,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) .dai_fmt = SND_SOC_DAIFMT_MSB | SND_SOC_DAIFMT_NB_NF |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) SND_SOC_DAIFMT_CBS_CFS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) .ops = &hx4700_ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) SND_SOC_DAILINK_REG(ak4641),
^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) /* hx4700 audio machine driver */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) static struct snd_soc_card snd_soc_card_hx4700 = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) .name = "iPAQ hx4700",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) .owner = THIS_MODULE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) .dai_link = &hx4700_dai,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) .num_links = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) .dapm_widgets = hx4700_dapm_widgets,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) .num_dapm_widgets = ARRAY_SIZE(hx4700_dapm_widgets),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) .dapm_routes = hx4700_audio_map,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) .num_dapm_routes = ARRAY_SIZE(hx4700_audio_map),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) .fully_routed = true,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) static struct gpio hx4700_audio_gpios[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) { GPIO107_HX4700_SPK_nSD, GPIOF_OUT_INIT_HIGH, "SPK_POWER" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) { GPIO92_HX4700_HP_DRIVER, GPIOF_OUT_INIT_LOW, "EP_POWER" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) static int hx4700_audio_probe(struct platform_device *pdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) if (!machine_is_h4700())
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) ret = gpio_request_array(hx4700_audio_gpios,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) ARRAY_SIZE(hx4700_audio_gpios));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) snd_soc_card_hx4700.dev = &pdev->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) ret = devm_snd_soc_register_card(&pdev->dev, &snd_soc_card_hx4700);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) gpio_free_array(hx4700_audio_gpios,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) ARRAY_SIZE(hx4700_audio_gpios));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) static int hx4700_audio_remove(struct platform_device *pdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) gpio_set_value(GPIO92_HX4700_HP_DRIVER, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) gpio_set_value(GPIO107_HX4700_SPK_nSD, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) gpio_free_array(hx4700_audio_gpios, ARRAY_SIZE(hx4700_audio_gpios));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) static struct platform_driver hx4700_audio_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) .driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) .name = "hx4700-audio",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) .pm = &snd_soc_pm_ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) .probe = hx4700_audio_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) .remove = hx4700_audio_remove,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) module_platform_driver(hx4700_audio_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) MODULE_AUTHOR("Philipp Zabel");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) MODULE_DESCRIPTION("ALSA SoC iPAQ hx4700");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) MODULE_LICENSE("GPL");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) MODULE_ALIAS("platform:hx4700-audio");
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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