^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) * tosa.c -- SoC audio for Tosa
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Copyright 2005 Wolfson Microelectronics PLC.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * Copyright 2005 Openedhand Ltd.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) * Authors: Liam Girdwood <lrg@slimlogic.co.uk>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) * Richard Purdie <richard@openedhand.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) * GPIO's
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) * 1 - Jack Insertion
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) * 5 - Hookswitch (headset answer/hang up switch)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <linux/moduleparam.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include <linux/device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #include <linux/gpio.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #include <sound/core.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #include <sound/pcm.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) #include <sound/soc.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) #include <asm/mach-types.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) #include <mach/tosa.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) #include <mach/audio.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) #define TOSA_HP 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) #define TOSA_MIC_INT 1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) #define TOSA_HEADSET 2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) #define TOSA_HP_OFF 3
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) #define TOSA_SPK_ON 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) #define TOSA_SPK_OFF 1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) static int tosa_jack_func;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) static int tosa_spk_func;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) static void tosa_ext_control(struct snd_soc_dapm_context *dapm)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) snd_soc_dapm_mutex_lock(dapm);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) /* set up jack connection */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) switch (tosa_jack_func) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) case TOSA_HP:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) snd_soc_dapm_disable_pin_unlocked(dapm, "Mic (Internal)");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) snd_soc_dapm_enable_pin_unlocked(dapm, "Headphone Jack");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) snd_soc_dapm_disable_pin_unlocked(dapm, "Headset Jack");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) case TOSA_MIC_INT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) snd_soc_dapm_enable_pin_unlocked(dapm, "Mic (Internal)");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) snd_soc_dapm_disable_pin_unlocked(dapm, "Headphone Jack");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) snd_soc_dapm_disable_pin_unlocked(dapm, "Headset Jack");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) case TOSA_HEADSET:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) snd_soc_dapm_disable_pin_unlocked(dapm, "Mic (Internal)");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) snd_soc_dapm_disable_pin_unlocked(dapm, "Headphone Jack");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) snd_soc_dapm_enable_pin_unlocked(dapm, "Headset Jack");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) if (tosa_spk_func == TOSA_SPK_ON)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) snd_soc_dapm_enable_pin_unlocked(dapm, "Speaker");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) snd_soc_dapm_disable_pin_unlocked(dapm, "Speaker");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) snd_soc_dapm_sync_unlocked(dapm);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) snd_soc_dapm_mutex_unlock(dapm);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) static int tosa_startup(struct snd_pcm_substream *substream)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) /* check the jack status at stream startup */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) tosa_ext_control(&rtd->card->dapm);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) return 0;
^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) static const struct snd_soc_ops tosa_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) .startup = tosa_startup,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) static int tosa_get_jack(struct snd_kcontrol *kcontrol,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) struct snd_ctl_elem_value *ucontrol)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) ucontrol->value.enumerated.item[0] = tosa_jack_func;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) static int tosa_set_jack(struct snd_kcontrol *kcontrol,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) struct snd_ctl_elem_value *ucontrol)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) struct snd_soc_card *card = snd_kcontrol_chip(kcontrol);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) if (tosa_jack_func == ucontrol->value.enumerated.item[0])
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) tosa_jack_func = ucontrol->value.enumerated.item[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) tosa_ext_control(&card->dapm);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) static int tosa_get_spk(struct snd_kcontrol *kcontrol,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) struct snd_ctl_elem_value *ucontrol)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) ucontrol->value.enumerated.item[0] = tosa_spk_func;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) static int tosa_set_spk(struct snd_kcontrol *kcontrol,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) struct snd_ctl_elem_value *ucontrol)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) struct snd_soc_card *card = snd_kcontrol_chip(kcontrol);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) if (tosa_spk_func == ucontrol->value.enumerated.item[0])
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) tosa_spk_func = ucontrol->value.enumerated.item[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) tosa_ext_control(&card->dapm);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) /* tosa dapm event handlers */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) static int tosa_hp_event(struct snd_soc_dapm_widget *w,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) struct snd_kcontrol *k, int event)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) gpio_set_value(TOSA_GPIO_L_MUTE, SND_SOC_DAPM_EVENT_ON(event) ? 1 : 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) /* tosa machine dapm widgets */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) static const struct snd_soc_dapm_widget tosa_dapm_widgets[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) SND_SOC_DAPM_HP("Headphone Jack", tosa_hp_event),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) SND_SOC_DAPM_HP("Headset Jack", NULL),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) SND_SOC_DAPM_MIC("Mic (Internal)", NULL),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) SND_SOC_DAPM_SPK("Speaker", NULL),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) /* tosa audio map */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) static const struct snd_soc_dapm_route audio_map[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) /* headphone connected to HPOUTL, HPOUTR */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) {"Headphone Jack", NULL, "HPOUTL"},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) {"Headphone Jack", NULL, "HPOUTR"},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) /* ext speaker connected to LOUT2, ROUT2 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) {"Speaker", NULL, "LOUT2"},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) {"Speaker", NULL, "ROUT2"},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) /* internal mic is connected to mic1, mic2 differential - with bias */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) {"MIC1", NULL, "Mic Bias"},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) {"MIC2", NULL, "Mic Bias"},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) {"Mic Bias", NULL, "Mic (Internal)"},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) /* headset is connected to HPOUTR, and LINEINR with bias */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) {"Headset Jack", NULL, "HPOUTR"},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) {"LINEINR", NULL, "Mic Bias"},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) {"Mic Bias", NULL, "Headset Jack"},
^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 const char * const jack_function[] = {"Headphone", "Mic", "Line",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) "Headset", "Off"};
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) static const char * const spk_function[] = {"On", "Off"};
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) static const struct soc_enum tosa_enum[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) SOC_ENUM_SINGLE_EXT(5, jack_function),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) SOC_ENUM_SINGLE_EXT(2, spk_function),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) static const struct snd_kcontrol_new tosa_controls[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) SOC_ENUM_EXT("Jack Function", tosa_enum[0], tosa_get_jack,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) tosa_set_jack),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) SOC_ENUM_EXT("Speaker Function", tosa_enum[1], tosa_get_spk,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) tosa_set_spk),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) SND_SOC_DAILINK_DEFS(ac97,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) DAILINK_COMP_ARRAY(COMP_CPU("pxa2xx-ac97")),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) DAILINK_COMP_ARRAY(COMP_CODEC("wm9712-codec", "wm9712-hifi")),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) DAILINK_COMP_ARRAY(COMP_PLATFORM("pxa-pcm-audio")));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) SND_SOC_DAILINK_DEFS(ac97_aux,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) DAILINK_COMP_ARRAY(COMP_CPU("pxa2xx-ac97-aux")),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) DAILINK_COMP_ARRAY(COMP_CODEC("wm9712-codec", "wm9712-aux")),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) DAILINK_COMP_ARRAY(COMP_PLATFORM("pxa-pcm-audio")));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) static struct snd_soc_dai_link tosa_dai[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) .name = "AC97",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) .stream_name = "AC97 HiFi",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) .ops = &tosa_ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) SND_SOC_DAILINK_REG(ac97),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) .name = "AC97 Aux",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) .stream_name = "AC97 Aux",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) .ops = &tosa_ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) SND_SOC_DAILINK_REG(ac97_aux),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) static struct snd_soc_card tosa = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) .name = "Tosa",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) .owner = THIS_MODULE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) .dai_link = tosa_dai,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) .num_links = ARRAY_SIZE(tosa_dai),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) .controls = tosa_controls,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) .num_controls = ARRAY_SIZE(tosa_controls),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) .dapm_widgets = tosa_dapm_widgets,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) .num_dapm_widgets = ARRAY_SIZE(tosa_dapm_widgets),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) .dapm_routes = audio_map,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) .num_dapm_routes = ARRAY_SIZE(audio_map),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) .fully_routed = true,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) static int tosa_probe(struct platform_device *pdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) struct snd_soc_card *card = ⤩
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) ret = gpio_request_one(TOSA_GPIO_L_MUTE, GPIOF_OUT_INIT_LOW,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) "Headphone Jack");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) card->dev = &pdev->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) ret = devm_snd_soc_register_card(&pdev->dev, card);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) gpio_free(TOSA_GPIO_L_MUTE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) static int tosa_remove(struct platform_device *pdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) gpio_free(TOSA_GPIO_L_MUTE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) static struct platform_driver tosa_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) .driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) .name = "tosa-audio",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) .pm = &snd_soc_pm_ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) .probe = tosa_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) .remove = tosa_remove,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) module_platform_driver(tosa_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) /* Module information */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) MODULE_AUTHOR("Richard Purdie");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) MODULE_DESCRIPTION("ALSA SoC Tosa");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) MODULE_LICENSE("GPL");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) MODULE_ALIAS("platform:tosa-audio");