diff options
Diffstat (limited to 'sound/soc/tegra/tegra_soc_controls.c')
| -rw-r--r-- | sound/soc/tegra/tegra_soc_controls.c | 450 |
1 files changed, 450 insertions, 0 deletions
diff --git a/sound/soc/tegra/tegra_soc_controls.c b/sound/soc/tegra/tegra_soc_controls.c new file mode 100644 index 000000000000..a090740a3f7d --- /dev/null +++ b/sound/soc/tegra/tegra_soc_controls.c @@ -0,0 +1,450 @@ +/* + * tegra_soc_controls.c -- alsa controls for tegra SoC + * + * Copyright (c) 2010, NVIDIA Corporation. + * + * 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. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + */ + + +#include "tegra_soc.h" +#include <mach/audio.h> + +static struct tegra_audio_data *audio_data; +static int tegra_jack_func; +static int tegra_spk_func; + +#define TEGRA_HP 0 +#define TEGRA_MIC 1 +#define TEGRA_LINE 2 +#define TEGRA_HEADSET 3 +#define TEGRA_HP_OFF 4 +#define TEGRA_SPK_ON 0 +#define TEGRA_SPK_OFF 1 + +static void tegra_ext_control(struct snd_soc_codec *codec) +{ + /* set up jack connection */ + switch (tegra_jack_func) { + case TEGRA_HP: + /* set = unmute headphone */ + snd_soc_dapm_enable_pin(codec, "Mic Jack"); + snd_soc_dapm_disable_pin(codec, "Line Jack"); + snd_soc_dapm_enable_pin(codec, "Headphone Jack"); + snd_soc_dapm_disable_pin(codec, "Headset Jack"); + break; + case TEGRA_MIC: + /* reset = mute headphone */ + snd_soc_dapm_enable_pin(codec, "Mic Jack"); + snd_soc_dapm_disable_pin(codec, "Line Jack"); + snd_soc_dapm_disable_pin(codec, "Headphone Jack"); + snd_soc_dapm_disable_pin(codec, "Headset Jack"); + break; + case TEGRA_LINE: + snd_soc_dapm_disable_pin(codec, "Mic Jack"); + snd_soc_dapm_enable_pin(codec, "Line Jack"); + snd_soc_dapm_disable_pin(codec, "Headphone Jack"); + snd_soc_dapm_disable_pin(codec, "Headset Jack"); + break; + case TEGRA_HEADSET: + snd_soc_dapm_enable_pin(codec, "Mic Jack"); + snd_soc_dapm_disable_pin(codec, "Line Jack"); + snd_soc_dapm_disable_pin(codec, "Headphone Jack"); + snd_soc_dapm_enable_pin(codec, "Headset Jack"); + break; + } + + if (tegra_spk_func == TEGRA_SPK_ON) { + snd_soc_dapm_enable_pin(codec, "Ext Spk"); + } else { + snd_soc_dapm_disable_pin(codec, "Ext Spk"); + } + /* signal a DAPM event */ + snd_soc_dapm_sync(codec); +} + +static int tegra_get_jack(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + ucontrol->value.integer.value[0] = tegra_jack_func; + return 0; +} + +static int tegra_set_jack(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); + + if (tegra_jack_func == ucontrol->value.integer.value[0]) + return 0; + + tegra_jack_func = ucontrol->value.integer.value[0]; + tegra_ext_control(codec); + return 1; +} + +static int tegra_get_spk(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + ucontrol->value.integer.value[0] = tegra_spk_func; + return 0; +} + +static int tegra_set_spk(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); + + + if (tegra_spk_func == ucontrol->value.integer.value[0]) + return 0; + + tegra_spk_func = ucontrol->value.integer.value[0]; + tegra_ext_control(codec); + return 1; +} + +/*tegra machine dapm widgets */ +static const struct snd_soc_dapm_widget tegra_dapm_widgets[] = { + SND_SOC_DAPM_HP("Headphone Jack", NULL), + SND_SOC_DAPM_MIC("Mic Jack", NULL), + SND_SOC_DAPM_SPK("Ext Spk", NULL), + SND_SOC_DAPM_LINE("Line Jack", NULL), + SND_SOC_DAPM_HP("Headset Jack", NULL), +}; + +/* Tegra machine audio map (connections to the codec pins) */ +static const struct snd_soc_dapm_route audio_map[] = { + + /* headset Jack - in = micin, out = LHPOUT*/ + {"Headset Jack", NULL, "HPOUTL"}, + + /* headphone connected to LHPOUT1, RHPOUT1 */ + {"Headphone Jack", NULL, "HPOUTR"}, {"Headphone Jack", NULL, "HPOUTL"}, + + /* speaker connected to LOUT, ROUT */ + {"Ext Spk", NULL, "LINEOUTR"}, {"Ext Spk", NULL, "LINEOUTL"}, + + /* mic is connected to MICIN (via right channel of headphone jack) */ + {"IN1L", NULL, "Mic Jack"}, + + /* Same as the above but no mic bias for line signals */ + {"IN2L", NULL, "Line Jack"}, +}; + +static const char *jack_function[] = {"Headphone", "Mic", "Line", "Headset", + "Off" + }; +static const char *spk_function[] = {"On", "Off"}; +static const struct soc_enum tegra_enum[] = { + SOC_ENUM_SINGLE_EXT(5, jack_function), + SOC_ENUM_SINGLE_EXT(2, spk_function), +}; + +static const struct snd_kcontrol_new tegra_controls[] = { + SOC_ENUM_EXT("Jack Function", tegra_enum[0], tegra_get_jack, + tegra_set_jack), + SOC_ENUM_EXT("Speaker Function", tegra_enum[1], tegra_get_spk, + tegra_set_spk), +}; + +static void tegra_audio_route(int device_new, int is_call_mode_new) +{ + int play_device_new = device_new & TEGRA_AUDIO_DEVICE_OUT_ALL; + int capture_device_new = device_new & TEGRA_AUDIO_DEVICE_IN_ALL; + int is_bt_sco_mode = + (play_device_new & TEGRA_AUDIO_DEVICE_OUT_BT_SCO) || + (capture_device_new & TEGRA_AUDIO_DEVICE_OUT_BT_SCO); + int was_bt_sco_mode = + (audio_data->play_device & TEGRA_AUDIO_DEVICE_OUT_BT_SCO) || + (audio_data->capture_device & TEGRA_AUDIO_DEVICE_OUT_BT_SCO); + + if (play_device_new != audio_data->play_device) { + if (play_device_new & TEGRA_AUDIO_DEVICE_OUT_HEADPHONE) { + tegra_jack_func = TEGRA_HP; + } + else if (play_device_new & TEGRA_AUDIO_DEVICE_OUT_HEADSET) { + tegra_jack_func = TEGRA_HEADSET; + } + else if (play_device_new & TEGRA_AUDIO_DEVICE_OUT_LINE) { + tegra_jack_func = TEGRA_LINE; + } + + if (play_device_new & TEGRA_AUDIO_DEVICE_OUT_SPEAKER) { + tegra_spk_func = TEGRA_SPK_ON; + } + else if (play_device_new & TEGRA_AUDIO_DEVICE_OUT_EAR_SPEAKER) { + tegra_spk_func = TEGRA_SPK_ON; + } + else { + tegra_spk_func = TEGRA_SPK_OFF; + } + tegra_ext_control(audio_data->codec); + audio_data->play_device = play_device_new; + } + + if (capture_device_new != audio_data->capture_device) { + if (capture_device_new & (TEGRA_AUDIO_DEVICE_IN_BUILTIN_MIC | + TEGRA_AUDIO_DEVICE_IN_MIC | + TEGRA_AUDIO_DEVICE_IN_BACK_MIC)) { + if ((tegra_jack_func != TEGRA_HP) && + (tegra_jack_func != TEGRA_HEADSET)) { + tegra_jack_func = TEGRA_MIC; + } + } + else if (capture_device_new & TEGRA_AUDIO_DEVICE_IN_HEADSET) { + tegra_jack_func = TEGRA_HEADSET; + } + else if (capture_device_new & TEGRA_AUDIO_DEVICE_IN_LINE) { + tegra_jack_func = TEGRA_LINE; + } + tegra_ext_control(audio_data->codec); + audio_data->capture_device = capture_device_new; + } + + if ((is_call_mode_new != audio_data->is_call_mode) || + (is_bt_sco_mode != was_bt_sco_mode)) { + if (is_call_mode_new && is_bt_sco_mode) { + tegra_das_set_connection + (tegra_das_port_con_id_voicecall_with_bt); + } + else if (is_call_mode_new && !is_bt_sco_mode) { + tegra_das_set_connection + (tegra_das_port_con_id_voicecall_no_bt); + } + else if (!is_call_mode_new && is_bt_sco_mode) { + tegra_das_set_connection + (tegra_das_port_con_id_bt_codec); + } + else { + tegra_das_set_connection + (tegra_das_port_con_id_hifi); + } + audio_data->is_call_mode = is_call_mode_new; + } +} + +static int tegra_play_route_info(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_info *uinfo) +{ + uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; + uinfo->count = 1; + uinfo->value.integer.min = TEGRA_AUDIO_DEVICE_NONE; + uinfo->value.integer.max = TEGRA_AUDIO_DEVICE_MAX; + return 0; +} + +static int tegra_play_route_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + ucontrol->value.integer.value[0] = TEGRA_AUDIO_DEVICE_NONE; + if (audio_data) { + ucontrol->value.integer.value[0] = audio_data->play_device; + return 0; + } + return -EINVAL; +} + +static int tegra_play_route_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + if (audio_data) { + int play_device_new = ucontrol->value.integer.value[0] & + TEGRA_AUDIO_DEVICE_OUT_ALL; + + if (audio_data->play_device != play_device_new) { + tegra_audio_route( + play_device_new | audio_data->capture_device, + audio_data->is_call_mode); + return 1; + } + return 0; + } + return -EINVAL; +} + +struct snd_kcontrol_new tegra_play_route_control = { + .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = "Pcm Playback Route", + .private_value = 0xffff, + .info = tegra_play_route_info, + .get = tegra_play_route_get, + .put = tegra_play_route_put +}; + +static int tegra_capture_route_info(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_info *uinfo) +{ + uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; + uinfo->count = 1; + uinfo->value.integer.min = TEGRA_AUDIO_DEVICE_NONE; + uinfo->value.integer.max = TEGRA_AUDIO_DEVICE_MAX; + return 0; +} + +static int tegra_capture_route_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + ucontrol->value.integer.value[0] = TEGRA_AUDIO_DEVICE_NONE; + if (audio_data) { + ucontrol->value.integer.value[0] = audio_data->capture_device; + return 0; + } + return -EINVAL; +} + +static int tegra_capture_route_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + if (audio_data) { + int capture_device_new = ucontrol->value.integer.value[0] & + TEGRA_AUDIO_DEVICE_IN_ALL; + + if (audio_data->capture_device != capture_device_new) { + tegra_audio_route( + audio_data->play_device | capture_device_new, + audio_data->is_call_mode); + return 1; + } + return 0; + } + return -EINVAL; +} + +struct snd_kcontrol_new tegra_capture_route_control = { + .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = "Pcm Capture Route", + .private_value = 0xffff, + .info = tegra_capture_route_info, + .get = tegra_capture_route_get, + .put = tegra_capture_route_put +}; + +static int tegra_call_mode_info(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_info *uinfo) +{ + uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; + uinfo->count = 1; + uinfo->value.integer.min = 0; + uinfo->value.integer.max = 1; + return 0; +} + +static int tegra_call_mode_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + ucontrol->value.integer.value[0] = TEGRA_AUDIO_DEVICE_NONE; + if (audio_data) { + ucontrol->value.integer.value[0] = audio_data->is_call_mode; + return 0; + } + return -EINVAL; +} + +static int tegra_call_mode_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + if (audio_data) { + int is_call_mode_new = ucontrol->value.integer.value[0]; + + if (audio_data->is_call_mode != is_call_mode_new) { + tegra_audio_route( + audio_data->play_device | + audio_data->capture_device, + is_call_mode_new); + return 1; + } + return 0; + } + return -EINVAL; +} + +struct snd_kcontrol_new tegra_call_mode_control = { + .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = "Call Mode Switch", + .private_value = 0xffff, + .info = tegra_call_mode_info, + .get = tegra_call_mode_get, + .put = tegra_call_mode_put +}; + +int tegra_controls_init(struct snd_soc_codec *codec) +{ + int err; + + audio_data = kzalloc(sizeof(*audio_data), GFP_KERNEL); + if (!audio_data) { + pr_err("failed to allocate tegra_audio_data \n"); + return -ENOMEM; + } + + /* Add tegra specific controls */ + err = snd_soc_add_controls(codec, tegra_controls, + ARRAY_SIZE(tegra_controls)); + if (err < 0) + goto fail; + + /* Add tegra specific widgets */ + snd_soc_dapm_new_controls(codec, tegra_dapm_widgets, + ARRAY_SIZE(tegra_dapm_widgets)); + + /* Set up tegra specific audio path audio_map */ + snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map)); + + audio_data->codec = codec; + /* Add play route control */ + err = snd_ctl_add(codec->card, + snd_ctl_new1(&tegra_play_route_control, NULL)); + if (err < 0) + goto fail; + + /* Add capture route control */ + err = snd_ctl_add(codec->card, + snd_ctl_new1(&tegra_capture_route_control, NULL)); + if (err < 0) + goto fail; + + /* Add call mode switch control */ + err = snd_ctl_add(codec->card, + snd_ctl_new1(&tegra_call_mode_control, NULL)); + if (err < 0) + goto fail; + + /* Default to HP output */ + tegra_jack_func = TEGRA_HP; + tegra_spk_func = TEGRA_SPK_ON; + tegra_ext_control(codec); + + snd_soc_dapm_sync(codec); + + return 0; +fail: + if (audio_data) { + kfree(audio_data); + audio_data = 0; + } + return err; +} + +void tegra_controls_exit(void) +{ + if (audio_data) { + kfree(audio_data); + audio_data = 0; + } +} |