| /* |
| * tosa.c -- SoC audio for Tosa |
| * |
| * Copyright 2005 Wolfson Microelectronics PLC. |
| * Copyright 2005 Openedhand Ltd. |
| * |
| * Authors: Liam Girdwood <liam.girdwood@wolfsonmicro.com> |
| * Richard Purdie <richard@openedhand.com> |
| * |
| * This program is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License as published by the |
| * Free Software Foundation; either version 2 of the License, or (at your |
| * option) any later version. |
| * |
| * Revision history |
| * 30th Nov 2005 Initial version. |
| * |
| * GPIO's |
| * 1 - Jack Insertion |
| * 5 - Hookswitch (headset answer/hang up switch) |
| * |
| */ |
| |
| #include <linux/module.h> |
| #include <linux/moduleparam.h> |
| #include <linux/device.h> |
| |
| #include <sound/driver.h> |
| #include <sound/core.h> |
| #include <sound/pcm.h> |
| #include <sound/soc.h> |
| #include <sound/soc-dapm.h> |
| |
| #include <asm/mach-types.h> |
| #include <asm/hardware/tmio.h> |
| #include <asm/arch/pxa-regs.h> |
| #include <asm/arch/hardware.h> |
| #include <asm/arch/audio.h> |
| #include <asm/arch/tosa.h> |
| |
| #include "../codecs/wm9712.h" |
| #include "pxa2xx-pcm.h" |
| |
| static struct snd_soc_machine tosa; |
| |
| #define TOSA_HP 0 |
| #define TOSA_MIC_INT 1 |
| #define TOSA_HEADSET 2 |
| #define TOSA_HP_OFF 3 |
| #define TOSA_SPK_ON 0 |
| #define TOSA_SPK_OFF 1 |
| |
| static int tosa_jack_func; |
| static int tosa_spk_func; |
| |
| static void tosa_ext_control(struct snd_soc_codec *codec) |
| { |
| int spk = 0, mic_int = 0, hp = 0, hs = 0; |
| |
| /* set up jack connection */ |
| switch (tosa_jack_func) { |
| case TOSA_HP: |
| hp = 1; |
| break; |
| case TOSA_MIC_INT: |
| mic_int = 1; |
| break; |
| case TOSA_HEADSET: |
| hs = 1; |
| break; |
| } |
| |
| if (tosa_spk_func == TOSA_SPK_ON) |
| spk = 1; |
| |
| snd_soc_dapm_set_endpoint(codec, "Speaker", spk); |
| snd_soc_dapm_set_endpoint(codec, "Mic (Internal)", mic_int); |
| snd_soc_dapm_set_endpoint(codec, "Headphone Jack", hp); |
| snd_soc_dapm_set_endpoint(codec, "Headset Jack", hs); |
| snd_soc_dapm_sync_endpoints(codec); |
| } |
| |
| static int tosa_startup(struct snd_pcm_substream *substream) |
| { |
| struct snd_soc_pcm_runtime *rtd = substream->private_data; |
| struct snd_soc_codec *codec = rtd->socdev->codec; |
| |
| /* check the jack status at stream startup */ |
| tosa_ext_control(codec); |
| return 0; |
| } |
| |
| static struct snd_soc_ops tosa_ops = { |
| .startup = tosa_startup, |
| }; |
| |
| static int tosa_get_jack(struct snd_kcontrol *kcontrol, |
| struct snd_ctl_elem_value *ucontrol) |
| { |
| ucontrol->value.integer.value[0] = tosa_jack_func; |
| return 0; |
| } |
| |
| static int tosa_set_jack(struct snd_kcontrol *kcontrol, |
| struct snd_ctl_elem_value *ucontrol) |
| { |
| struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); |
| |
| if (tosa_jack_func == ucontrol->value.integer.value[0]) |
| return 0; |
| |
| tosa_jack_func = ucontrol->value.integer.value[0]; |
| tosa_ext_control(codec); |
| return 1; |
| } |
| |
| static int tosa_get_spk(struct snd_kcontrol *kcontrol, |
| struct snd_ctl_elem_value *ucontrol) |
| { |
| ucontrol->value.integer.value[0] = tosa_spk_func; |
| return 0; |
| } |
| |
| static int tosa_set_spk(struct snd_kcontrol *kcontrol, |
| struct snd_ctl_elem_value *ucontrol) |
| { |
| struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); |
| |
| if (tosa_spk_func == ucontrol->value.integer.value[0]) |
| return 0; |
| |
| tosa_spk_func = ucontrol->value.integer.value[0]; |
| tosa_ext_control(codec); |
| return 1; |
| } |
| |
| /* tosa dapm event handlers */ |
| static int tosa_hp_event(struct snd_soc_dapm_widget *w, int event) |
| { |
| if (SND_SOC_DAPM_EVENT_ON(event)) |
| set_tc6393_gpio(&tc6393_device.dev,TOSA_TC6393_L_MUTE); |
| else |
| reset_tc6393_gpio(&tc6393_device.dev,TOSA_TC6393_L_MUTE); |
| return 0; |
| } |
| |
| /* tosa machine dapm widgets */ |
| static const struct snd_soc_dapm_widget tosa_dapm_widgets[] = { |
| SND_SOC_DAPM_HP("Headphone Jack", tosa_hp_event), |
| SND_SOC_DAPM_HP("Headset Jack", NULL), |
| SND_SOC_DAPM_MIC("Mic (Internal)", NULL), |
| SND_SOC_DAPM_SPK("Speaker", NULL), |
| }; |
| |
| /* tosa audio map */ |
| static const char *audio_map[][3] = { |
| |
| /* headphone connected to HPOUTL, HPOUTR */ |
| {"Headphone Jack", NULL, "HPOUTL"}, |
| {"Headphone Jack", NULL, "HPOUTR"}, |
| |
| /* ext speaker connected to LOUT2, ROUT2 */ |
| {"Speaker", NULL, "LOUT2"}, |
| {"Speaker", NULL, "ROUT2"}, |
| |
| /* internal mic is connected to mic1, mic2 differential - with bias */ |
| {"MIC1", NULL, "Mic Bias"}, |
| {"MIC2", NULL, "Mic Bias"}, |
| {"Mic Bias", NULL, "Mic (Internal)"}, |
| |
| /* headset is connected to HPOUTR, and LINEINR with bias */ |
| {"Headset Jack", NULL, "HPOUTR"}, |
| {"LINEINR", NULL, "Mic Bias"}, |
| {"Mic Bias", NULL, "Headset Jack"}, |
| |
| {NULL, NULL, NULL}, |
| }; |
| |
| static const char *jack_function[] = {"Headphone", "Mic", "Line", "Headset", |
| "Off"}; |
| static const char *spk_function[] = {"On", "Off"}; |
| static const struct soc_enum tosa_enum[] = { |
| SOC_ENUM_SINGLE_EXT(5, jack_function), |
| SOC_ENUM_SINGLE_EXT(2, spk_function), |
| }; |
| |
| static const struct snd_kcontrol_new tosa_controls[] = { |
| SOC_ENUM_EXT("Jack Function", tosa_enum[0], tosa_get_jack, |
| tosa_set_jack), |
| SOC_ENUM_EXT("Speaker Function", tosa_enum[1], tosa_get_spk, |
| tosa_set_spk), |
| }; |
| |
| static int tosa_ac97_init(struct snd_soc_codec *codec) |
| { |
| int i, err; |
| |
| snd_soc_dapm_set_endpoint(codec, "OUT3", 0); |
| snd_soc_dapm_set_endpoint(codec, "MONOOUT", 0); |
| |
| /* add tosa specific controls */ |
| for (i = 0; i < ARRAY_SIZE(tosa_controls); i++) { |
| err = snd_ctl_add(codec->card, |
| snd_soc_cnew(&tosa_controls[i],codec, NULL)); |
| if (err < 0) |
| return err; |
| } |
| |
| /* add tosa specific widgets */ |
| for (i = 0; i < ARRAY_SIZE(tosa_dapm_widgets); i++) { |
| snd_soc_dapm_new_control(codec, &tosa_dapm_widgets[i]); |
| } |
| |
| /* set up tosa specific audio path audio_map */ |
| for (i = 0; audio_map[i][0] != NULL; i++) { |
| snd_soc_dapm_connect_input(codec, audio_map[i][0], |
| audio_map[i][1], audio_map[i][2]); |
| } |
| |
| snd_soc_dapm_sync_endpoints(codec); |
| return 0; |
| } |
| |
| static struct snd_soc_dai_link tosa_dai[] = { |
| { |
| .name = "AC97", |
| .stream_name = "AC97 HiFi", |
| .cpu_dai = &pxa_ac97_dai[PXA2XX_DAI_AC97_HIFI], |
| .codec_dai = &wm9712_dai[WM9712_DAI_AC97_HIFI], |
| .init = tosa_ac97_init, |
| }, |
| { |
| .name = "AC97 Aux", |
| .stream_name = "AC97 Aux", |
| .cpu_dai = &pxa_ac97_dai[PXA2XX_DAI_AC97_AUX], |
| .codec_dai = &wm9712_dai[WM9712_DAI_AC97_AUX], |
| }, |
| }; |
| |
| static struct snd_soc_machine tosa = { |
| .name = "Tosa", |
| .dai_link = tosa_dai, |
| .num_links = ARRAY_SIZE(tosa_dai), |
| .ops = &tosa_ops, |
| }; |
| |
| static struct snd_soc_device tosa_snd_devdata = { |
| .machine = &tosa, |
| .platform = &pxa2xx_soc_platform, |
| .codec_dev = &soc_codec_dev_wm9712, |
| }; |
| |
| static struct platform_device *tosa_snd_device; |
| |
| static int __init tosa_init(void) |
| { |
| int ret; |
| |
| if (!machine_is_tosa()) |
| return -ENODEV; |
| |
| tosa_snd_device = platform_device_alloc("soc-audio", -1); |
| if (!tosa_snd_device) |
| return -ENOMEM; |
| |
| platform_set_drvdata(tosa_snd_device, &tosa_snd_devdata); |
| tosa_snd_devdata.dev = &tosa_snd_device->dev; |
| ret = platform_device_add(tosa_snd_device); |
| |
| if (ret) |
| platform_device_put(tosa_snd_device); |
| |
| return ret; |
| } |
| |
| static void __exit tosa_exit(void) |
| { |
| platform_device_unregister(tosa_snd_device); |
| } |
| |
| module_init(tosa_init); |
| module_exit(tosa_exit); |
| |
| /* Module information */ |
| MODULE_AUTHOR("Richard Purdie"); |
| MODULE_DESCRIPTION("ALSA SoC Tosa"); |
| MODULE_LICENSE("GPL"); |