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Diffstat (limited to 'kernel/include/sound/soc-dapm.h')
| -rw-r--r-- | kernel/include/sound/soc-dapm.h | 626 |
1 files changed, 626 insertions, 0 deletions
diff --git a/kernel/include/sound/soc-dapm.h b/kernel/include/sound/soc-dapm.h new file mode 100644 index 000000000..1065095c6 --- /dev/null +++ b/kernel/include/sound/soc-dapm.h @@ -0,0 +1,626 @@ +/* + * linux/sound/soc-dapm.h -- ALSA SoC Dynamic Audio Power Management + * + * Author: Liam Girdwood + * Created: Aug 11th 2005 + * Copyright: Wolfson Microelectronics. PLC. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef __LINUX_SND_SOC_DAPM_H +#define __LINUX_SND_SOC_DAPM_H + +#include <linux/types.h> +#include <sound/control.h> + +struct device; + +/* widget has no PM register bit */ +#define SND_SOC_NOPM -1 + +/* + * SoC dynamic audio power management + * + * We can have up to 4 power domains + * 1. Codec domain - VREF, VMID + * Usually controlled at codec probe/remove, although can be set + * at stream time if power is not needed for sidetone, etc. + * 2. Platform/Machine domain - physically connected inputs and outputs + * Is platform/machine and user action specific, is set in the machine + * driver and by userspace e.g when HP are inserted + * 3. Path domain - Internal codec path mixers + * Are automatically set when mixer and mux settings are + * changed by the user. + * 4. Stream domain - DAC's and ADC's. + * Enabled when stream playback/capture is started. + */ + +/* codec domain */ +#define SND_SOC_DAPM_VMID(wname) \ +{ .id = snd_soc_dapm_vmid, .name = wname, .kcontrol_news = NULL, \ + .num_kcontrols = 0} + +/* platform domain */ +#define SND_SOC_DAPM_SIGGEN(wname) \ +{ .id = snd_soc_dapm_siggen, .name = wname, .kcontrol_news = NULL, \ + .num_kcontrols = 0, .reg = SND_SOC_NOPM } +#define SND_SOC_DAPM_INPUT(wname) \ +{ .id = snd_soc_dapm_input, .name = wname, .kcontrol_news = NULL, \ + .num_kcontrols = 0, .reg = SND_SOC_NOPM } +#define SND_SOC_DAPM_OUTPUT(wname) \ +{ .id = snd_soc_dapm_output, .name = wname, .kcontrol_news = NULL, \ + .num_kcontrols = 0, .reg = SND_SOC_NOPM } +#define SND_SOC_DAPM_MIC(wname, wevent) \ +{ .id = snd_soc_dapm_mic, .name = wname, .kcontrol_news = NULL, \ + .num_kcontrols = 0, .reg = SND_SOC_NOPM, .event = wevent, \ + .event_flags = SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD} +#define SND_SOC_DAPM_HP(wname, wevent) \ +{ .id = snd_soc_dapm_hp, .name = wname, .kcontrol_news = NULL, \ + .num_kcontrols = 0, .reg = SND_SOC_NOPM, .event = wevent, \ + .event_flags = SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD} +#define SND_SOC_DAPM_SPK(wname, wevent) \ +{ .id = snd_soc_dapm_spk, .name = wname, .kcontrol_news = NULL, \ + .num_kcontrols = 0, .reg = SND_SOC_NOPM, .event = wevent, \ + .event_flags = SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD} +#define SND_SOC_DAPM_LINE(wname, wevent) \ +{ .id = snd_soc_dapm_line, .name = wname, .kcontrol_news = NULL, \ + .num_kcontrols = 0, .reg = SND_SOC_NOPM, .event = wevent, \ + .event_flags = SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD} + +#define SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert) \ + .reg = wreg, .mask = 1, .shift = wshift, \ + .on_val = winvert ? 0 : 1, .off_val = winvert ? 1 : 0 + +/* path domain */ +#define SND_SOC_DAPM_PGA(wname, wreg, wshift, winvert,\ + wcontrols, wncontrols) \ +{ .id = snd_soc_dapm_pga, .name = wname, \ + SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ + .kcontrol_news = wcontrols, .num_kcontrols = wncontrols} +#define SND_SOC_DAPM_OUT_DRV(wname, wreg, wshift, winvert,\ + wcontrols, wncontrols) \ +{ .id = snd_soc_dapm_out_drv, .name = wname, \ + SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ + .kcontrol_news = wcontrols, .num_kcontrols = wncontrols} +#define SND_SOC_DAPM_MIXER(wname, wreg, wshift, winvert, \ + wcontrols, wncontrols)\ +{ .id = snd_soc_dapm_mixer, .name = wname, \ + SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ + .kcontrol_news = wcontrols, .num_kcontrols = wncontrols} +#define SND_SOC_DAPM_MIXER_NAMED_CTL(wname, wreg, wshift, winvert, \ + wcontrols, wncontrols)\ +{ .id = snd_soc_dapm_mixer_named_ctl, .name = wname, \ + SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ + .kcontrol_news = wcontrols, .num_kcontrols = wncontrols} +#define SND_SOC_DAPM_MICBIAS(wname, wreg, wshift, winvert) \ +{ .id = snd_soc_dapm_micbias, .name = wname, \ + SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ + .kcontrol_news = NULL, .num_kcontrols = 0} +#define SND_SOC_DAPM_SWITCH(wname, wreg, wshift, winvert, wcontrols) \ +{ .id = snd_soc_dapm_switch, .name = wname, \ + SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ + .kcontrol_news = wcontrols, .num_kcontrols = 1} +#define SND_SOC_DAPM_MUX(wname, wreg, wshift, winvert, wcontrols) \ +{ .id = snd_soc_dapm_mux, .name = wname, \ + SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ + .kcontrol_news = wcontrols, .num_kcontrols = 1} + +/* Simplified versions of above macros, assuming wncontrols = ARRAY_SIZE(wcontrols) */ +#define SOC_PGA_ARRAY(wname, wreg, wshift, winvert,\ + wcontrols) \ +{ .id = snd_soc_dapm_pga, .name = wname, \ + SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ + .kcontrol_news = wcontrols, .num_kcontrols = ARRAY_SIZE(wcontrols)} +#define SOC_MIXER_ARRAY(wname, wreg, wshift, winvert, \ + wcontrols)\ +{ .id = snd_soc_dapm_mixer, .name = wname, \ + SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ + .kcontrol_news = wcontrols, .num_kcontrols = ARRAY_SIZE(wcontrols)} +#define SOC_MIXER_NAMED_CTL_ARRAY(wname, wreg, wshift, winvert, \ + wcontrols)\ +{ .id = snd_soc_dapm_mixer_named_ctl, .name = wname, \ + SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ + .kcontrol_news = wcontrols, .num_kcontrols = ARRAY_SIZE(wcontrols)} + +/* path domain with event - event handler must return 0 for success */ +#define SND_SOC_DAPM_PGA_E(wname, wreg, wshift, winvert, wcontrols, \ + wncontrols, wevent, wflags) \ +{ .id = snd_soc_dapm_pga, .name = wname, \ + SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ + .kcontrol_news = wcontrols, .num_kcontrols = wncontrols, \ + .event = wevent, .event_flags = wflags} +#define SND_SOC_DAPM_OUT_DRV_E(wname, wreg, wshift, winvert, wcontrols, \ + wncontrols, wevent, wflags) \ +{ .id = snd_soc_dapm_out_drv, .name = wname, \ + SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ + .kcontrol_news = wcontrols, .num_kcontrols = wncontrols, \ + .event = wevent, .event_flags = wflags} +#define SND_SOC_DAPM_MIXER_E(wname, wreg, wshift, winvert, wcontrols, \ + wncontrols, wevent, wflags) \ +{ .id = snd_soc_dapm_mixer, .name = wname, \ + SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ + .kcontrol_news = wcontrols, .num_kcontrols = wncontrols, \ + .event = wevent, .event_flags = wflags} +#define SND_SOC_DAPM_MIXER_NAMED_CTL_E(wname, wreg, wshift, winvert, \ + wcontrols, wncontrols, wevent, wflags) \ +{ .id = snd_soc_dapm_mixer, .name = wname, \ + SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ + .kcontrol_news = wcontrols, \ + .num_kcontrols = wncontrols, .event = wevent, .event_flags = wflags} +#define SND_SOC_DAPM_SWITCH_E(wname, wreg, wshift, winvert, wcontrols, \ + wevent, wflags) \ +{ .id = snd_soc_dapm_switch, .name = wname, \ + SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ + .kcontrol_news = wcontrols, .num_kcontrols = 1, \ + .event = wevent, .event_flags = wflags} +#define SND_SOC_DAPM_MUX_E(wname, wreg, wshift, winvert, wcontrols, \ + wevent, wflags) \ +{ .id = snd_soc_dapm_mux, .name = wname, \ + SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ + .kcontrol_news = wcontrols, .num_kcontrols = 1, \ + .event = wevent, .event_flags = wflags} + +/* additional sequencing control within an event type */ +#define SND_SOC_DAPM_PGA_S(wname, wsubseq, wreg, wshift, winvert, \ + wevent, wflags) \ +{ .id = snd_soc_dapm_pga, .name = wname, \ + SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ + .event = wevent, .event_flags = wflags, \ + .subseq = wsubseq} +#define SND_SOC_DAPM_SUPPLY_S(wname, wsubseq, wreg, wshift, winvert, wevent, \ + wflags) \ +{ .id = snd_soc_dapm_supply, .name = wname, \ + SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ + .event = wevent, .event_flags = wflags, .subseq = wsubseq} + +/* Simplified versions of above macros, assuming wncontrols = ARRAY_SIZE(wcontrols) */ +#define SOC_PGA_E_ARRAY(wname, wreg, wshift, winvert, wcontrols, \ + wevent, wflags) \ +{ .id = snd_soc_dapm_pga, .name = wname, \ + SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ + .kcontrol_news = wcontrols, .num_kcontrols = ARRAY_SIZE(wcontrols), \ + .event = wevent, .event_flags = wflags} +#define SOC_MIXER_E_ARRAY(wname, wreg, wshift, winvert, wcontrols, \ + wevent, wflags) \ +{ .id = snd_soc_dapm_mixer, .name = wname, \ + SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ + .kcontrol_news = wcontrols, .num_kcontrols = ARRAY_SIZE(wcontrols), \ + .event = wevent, .event_flags = wflags} +#define SOC_MIXER_NAMED_CTL_E_ARRAY(wname, wreg, wshift, winvert, \ + wcontrols, wevent, wflags) \ +{ .id = snd_soc_dapm_mixer, .name = wname, \ + SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ + .kcontrol_news = wcontrols, .num_kcontrols = ARRAY_SIZE(wcontrols), \ + .event = wevent, .event_flags = wflags} + +/* events that are pre and post DAPM */ +#define SND_SOC_DAPM_PRE(wname, wevent) \ +{ .id = snd_soc_dapm_pre, .name = wname, .kcontrol_news = NULL, \ + .num_kcontrols = 0, .reg = SND_SOC_NOPM, .event = wevent, \ + .event_flags = SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD} +#define SND_SOC_DAPM_POST(wname, wevent) \ +{ .id = snd_soc_dapm_post, .name = wname, .kcontrol_news = NULL, \ + .num_kcontrols = 0, .reg = SND_SOC_NOPM, .event = wevent, \ + .event_flags = SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD} + +/* stream domain */ +#define SND_SOC_DAPM_AIF_IN(wname, stname, wslot, wreg, wshift, winvert) \ +{ .id = snd_soc_dapm_aif_in, .name = wname, .sname = stname, \ + SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), } +#define SND_SOC_DAPM_AIF_IN_E(wname, stname, wslot, wreg, wshift, winvert, \ + wevent, wflags) \ +{ .id = snd_soc_dapm_aif_in, .name = wname, .sname = stname, \ + SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ + .event = wevent, .event_flags = wflags } +#define SND_SOC_DAPM_AIF_OUT(wname, stname, wslot, wreg, wshift, winvert) \ +{ .id = snd_soc_dapm_aif_out, .name = wname, .sname = stname, \ + SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), } +#define SND_SOC_DAPM_AIF_OUT_E(wname, stname, wslot, wreg, wshift, winvert, \ + wevent, wflags) \ +{ .id = snd_soc_dapm_aif_out, .name = wname, .sname = stname, \ + SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ + .event = wevent, .event_flags = wflags } +#define SND_SOC_DAPM_DAC(wname, stname, wreg, wshift, winvert) \ +{ .id = snd_soc_dapm_dac, .name = wname, .sname = stname, \ + SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert) } +#define SND_SOC_DAPM_DAC_E(wname, stname, wreg, wshift, winvert, \ + wevent, wflags) \ +{ .id = snd_soc_dapm_dac, .name = wname, .sname = stname, \ + SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ + .event = wevent, .event_flags = wflags} + +#define SND_SOC_DAPM_ADC(wname, stname, wreg, wshift, winvert) \ +{ .id = snd_soc_dapm_adc, .name = wname, .sname = stname, \ + SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), } +#define SND_SOC_DAPM_ADC_E(wname, stname, wreg, wshift, winvert, \ + wevent, wflags) \ +{ .id = snd_soc_dapm_adc, .name = wname, .sname = stname, \ + SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ + .event = wevent, .event_flags = wflags} +#define SND_SOC_DAPM_CLOCK_SUPPLY(wname) \ +{ .id = snd_soc_dapm_clock_supply, .name = wname, \ + .reg = SND_SOC_NOPM, .event = dapm_clock_event, \ + .event_flags = SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD } + +/* generic widgets */ +#define SND_SOC_DAPM_REG(wid, wname, wreg, wshift, wmask, won_val, woff_val) \ +{ .id = wid, .name = wname, .kcontrol_news = NULL, .num_kcontrols = 0, \ + .reg = wreg, .shift = wshift, .mask = wmask, \ + .on_val = won_val, .off_val = woff_val, } +#define SND_SOC_DAPM_SUPPLY(wname, wreg, wshift, winvert, wevent, wflags) \ +{ .id = snd_soc_dapm_supply, .name = wname, \ + SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ + .event = wevent, .event_flags = wflags} +#define SND_SOC_DAPM_REGULATOR_SUPPLY(wname, wdelay, wflags) \ +{ .id = snd_soc_dapm_regulator_supply, .name = wname, \ + .reg = SND_SOC_NOPM, .shift = wdelay, .event = dapm_regulator_event, \ + .event_flags = SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD, \ + .on_val = wflags} + + +/* dapm kcontrol types */ +#define SOC_DAPM_SINGLE(xname, reg, shift, max, invert) \ +{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ + .info = snd_soc_info_volsw, \ + .get = snd_soc_dapm_get_volsw, .put = snd_soc_dapm_put_volsw, \ + .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert, 0) } +#define SOC_DAPM_SINGLE_AUTODISABLE(xname, reg, shift, max, invert) \ +{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ + .info = snd_soc_info_volsw, \ + .get = snd_soc_dapm_get_volsw, .put = snd_soc_dapm_put_volsw, \ + .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert, 1) } +#define SOC_DAPM_SINGLE_VIRT(xname, max) \ + SOC_DAPM_SINGLE(xname, SND_SOC_NOPM, 0, max, 0) +#define SOC_DAPM_SINGLE_TLV(xname, reg, shift, max, invert, tlv_array) \ +{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ + .info = snd_soc_info_volsw, \ + .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | SNDRV_CTL_ELEM_ACCESS_READWRITE,\ + .tlv.p = (tlv_array), \ + .get = snd_soc_dapm_get_volsw, .put = snd_soc_dapm_put_volsw, \ + .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert, 0) } +#define SOC_DAPM_SINGLE_TLV_AUTODISABLE(xname, reg, shift, max, invert, tlv_array) \ +{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ + .info = snd_soc_info_volsw, \ + .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | SNDRV_CTL_ELEM_ACCESS_READWRITE,\ + .tlv.p = (tlv_array), \ + .get = snd_soc_dapm_get_volsw, .put = snd_soc_dapm_put_volsw, \ + .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert, 1) } +#define SOC_DAPM_SINGLE_TLV_VIRT(xname, max, tlv_array) \ + SOC_DAPM_SINGLE(xname, SND_SOC_NOPM, 0, max, 0, tlv_array) +#define SOC_DAPM_ENUM(xname, xenum) \ +{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ + .info = snd_soc_info_enum_double, \ + .get = snd_soc_dapm_get_enum_double, \ + .put = snd_soc_dapm_put_enum_double, \ + .private_value = (unsigned long)&xenum } +#define SOC_DAPM_ENUM_EXT(xname, xenum, xget, xput) \ +{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ + .info = snd_soc_info_enum_double, \ + .get = xget, \ + .put = xput, \ + .private_value = (unsigned long)&xenum } +#define SOC_DAPM_PIN_SWITCH(xname) \ +{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname " Switch", \ + .info = snd_soc_dapm_info_pin_switch, \ + .get = snd_soc_dapm_get_pin_switch, \ + .put = snd_soc_dapm_put_pin_switch, \ + .private_value = (unsigned long)xname } + +/* dapm stream operations */ +#define SND_SOC_DAPM_STREAM_NOP 0x0 +#define SND_SOC_DAPM_STREAM_START 0x1 +#define SND_SOC_DAPM_STREAM_STOP 0x2 +#define SND_SOC_DAPM_STREAM_SUSPEND 0x4 +#define SND_SOC_DAPM_STREAM_RESUME 0x8 +#define SND_SOC_DAPM_STREAM_PAUSE_PUSH 0x10 +#define SND_SOC_DAPM_STREAM_PAUSE_RELEASE 0x20 + +/* dapm event types */ +#define SND_SOC_DAPM_PRE_PMU 0x1 /* before widget power up */ +#define SND_SOC_DAPM_POST_PMU 0x2 /* after widget power up */ +#define SND_SOC_DAPM_PRE_PMD 0x4 /* before widget power down */ +#define SND_SOC_DAPM_POST_PMD 0x8 /* after widget power down */ +#define SND_SOC_DAPM_PRE_REG 0x10 /* before audio path setup */ +#define SND_SOC_DAPM_POST_REG 0x20 /* after audio path setup */ +#define SND_SOC_DAPM_WILL_PMU 0x40 /* called at start of sequence */ +#define SND_SOC_DAPM_WILL_PMD 0x80 /* called at start of sequence */ +#define SND_SOC_DAPM_PRE_POST_PMD \ + (SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD) + +/* convenience event type detection */ +#define SND_SOC_DAPM_EVENT_ON(e) \ + (e & (SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU)) +#define SND_SOC_DAPM_EVENT_OFF(e) \ + (e & (SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD)) + +/* regulator widget flags */ +#define SND_SOC_DAPM_REGULATOR_BYPASS 0x1 /* bypass when disabled */ + +struct snd_soc_dapm_widget; +enum snd_soc_dapm_type; +struct snd_soc_dapm_path; +struct snd_soc_dapm_pin; +struct snd_soc_dapm_route; +struct snd_soc_dapm_context; +struct regulator; +struct snd_soc_dapm_widget_list; +struct snd_soc_dapm_update; + +int dapm_regulator_event(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *kcontrol, int event); +int dapm_clock_event(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *kcontrol, int event); + +/* dapm controls */ +int snd_soc_dapm_put_volsw(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol); +int snd_soc_dapm_get_volsw(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol); +int snd_soc_dapm_get_enum_double(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol); +int snd_soc_dapm_put_enum_double(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol); +int snd_soc_dapm_info_pin_switch(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_info *uinfo); +int snd_soc_dapm_get_pin_switch(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *uncontrol); +int snd_soc_dapm_put_pin_switch(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *uncontrol); +int snd_soc_dapm_new_controls(struct snd_soc_dapm_context *dapm, + const struct snd_soc_dapm_widget *widget, + int num); +int snd_soc_dapm_new_dai_widgets(struct snd_soc_dapm_context *dapm, + struct snd_soc_dai *dai); +int snd_soc_dapm_link_dai_widgets(struct snd_soc_card *card); +void snd_soc_dapm_connect_dai_link_widgets(struct snd_soc_card *card); +int snd_soc_dapm_new_pcm(struct snd_soc_card *card, + const struct snd_soc_pcm_stream *params, + unsigned int num_params, + struct snd_soc_dapm_widget *source, + struct snd_soc_dapm_widget *sink); + +/* dapm path setup */ +int snd_soc_dapm_new_widgets(struct snd_soc_card *card); +void snd_soc_dapm_free(struct snd_soc_dapm_context *dapm); +int snd_soc_dapm_add_routes(struct snd_soc_dapm_context *dapm, + const struct snd_soc_dapm_route *route, int num); +int snd_soc_dapm_del_routes(struct snd_soc_dapm_context *dapm, + const struct snd_soc_dapm_route *route, int num); +int snd_soc_dapm_weak_routes(struct snd_soc_dapm_context *dapm, + const struct snd_soc_dapm_route *route, int num); + +/* dapm events */ +void snd_soc_dapm_stream_event(struct snd_soc_pcm_runtime *rtd, int stream, + int event); +void snd_soc_dapm_shutdown(struct snd_soc_card *card); + +/* external DAPM widget events */ +int snd_soc_dapm_mixer_update_power(struct snd_soc_dapm_context *dapm, + struct snd_kcontrol *kcontrol, int connect, + struct snd_soc_dapm_update *update); +int snd_soc_dapm_mux_update_power(struct snd_soc_dapm_context *dapm, + struct snd_kcontrol *kcontrol, int mux, struct soc_enum *e, + struct snd_soc_dapm_update *update); + +/* dapm sys fs - used by the core */ +extern struct attribute *soc_dapm_dev_attrs[]; +void snd_soc_dapm_debugfs_init(struct snd_soc_dapm_context *dapm, + struct dentry *parent); + +/* dapm audio pin control and status */ +int snd_soc_dapm_enable_pin(struct snd_soc_dapm_context *dapm, + const char *pin); +int snd_soc_dapm_enable_pin_unlocked(struct snd_soc_dapm_context *dapm, + const char *pin); +int snd_soc_dapm_disable_pin(struct snd_soc_dapm_context *dapm, + const char *pin); +int snd_soc_dapm_disable_pin_unlocked(struct snd_soc_dapm_context *dapm, + const char *pin); +int snd_soc_dapm_nc_pin(struct snd_soc_dapm_context *dapm, const char *pin); +int snd_soc_dapm_nc_pin_unlocked(struct snd_soc_dapm_context *dapm, + const char *pin); +int snd_soc_dapm_get_pin_status(struct snd_soc_dapm_context *dapm, + const char *pin); +int snd_soc_dapm_sync(struct snd_soc_dapm_context *dapm); +int snd_soc_dapm_sync_unlocked(struct snd_soc_dapm_context *dapm); +int snd_soc_dapm_force_enable_pin(struct snd_soc_dapm_context *dapm, + const char *pin); +int snd_soc_dapm_force_enable_pin_unlocked(struct snd_soc_dapm_context *dapm, + const char *pin); +int snd_soc_dapm_ignore_suspend(struct snd_soc_dapm_context *dapm, + const char *pin); +unsigned int dapm_kcontrol_get_value(const struct snd_kcontrol *kcontrol); + +/* Mostly internal - should not normally be used */ +void dapm_mark_endpoints_dirty(struct snd_soc_card *card); + +/* dapm path query */ +int snd_soc_dapm_dai_get_connected_widgets(struct snd_soc_dai *dai, int stream, + struct snd_soc_dapm_widget_list **list); + +struct snd_soc_dapm_context *snd_soc_dapm_kcontrol_dapm( + struct snd_kcontrol *kcontrol); + +/* dapm widget types */ +enum snd_soc_dapm_type { + snd_soc_dapm_input = 0, /* input pin */ + snd_soc_dapm_output, /* output pin */ + snd_soc_dapm_mux, /* selects 1 analog signal from many inputs */ + snd_soc_dapm_mixer, /* mixes several analog signals together */ + snd_soc_dapm_mixer_named_ctl, /* mixer with named controls */ + snd_soc_dapm_pga, /* programmable gain/attenuation (volume) */ + snd_soc_dapm_out_drv, /* output driver */ + snd_soc_dapm_adc, /* analog to digital converter */ + snd_soc_dapm_dac, /* digital to analog converter */ + snd_soc_dapm_micbias, /* microphone bias (power) */ + snd_soc_dapm_mic, /* microphone */ + snd_soc_dapm_hp, /* headphones */ + snd_soc_dapm_spk, /* speaker */ + snd_soc_dapm_line, /* line input/output */ + snd_soc_dapm_switch, /* analog switch */ + snd_soc_dapm_vmid, /* codec bias/vmid - to minimise pops */ + snd_soc_dapm_pre, /* machine specific pre widget - exec first */ + snd_soc_dapm_post, /* machine specific post widget - exec last */ + snd_soc_dapm_supply, /* power/clock supply */ + snd_soc_dapm_regulator_supply, /* external regulator */ + snd_soc_dapm_clock_supply, /* external clock */ + snd_soc_dapm_aif_in, /* audio interface input */ + snd_soc_dapm_aif_out, /* audio interface output */ + snd_soc_dapm_siggen, /* signal generator */ + snd_soc_dapm_dai_in, /* link to DAI structure */ + snd_soc_dapm_dai_out, + snd_soc_dapm_dai_link, /* link between two DAI structures */ + snd_soc_dapm_kcontrol, /* Auto-disabled kcontrol */ +}; + +enum snd_soc_dapm_subclass { + SND_SOC_DAPM_CLASS_INIT = 0, + SND_SOC_DAPM_CLASS_RUNTIME = 1, +}; + +/* + * DAPM audio route definition. + * + * Defines an audio route originating at source via control and finishing + * at sink. + */ +struct snd_soc_dapm_route { + const char *sink; + const char *control; + const char *source; + + /* Note: currently only supported for links where source is a supply */ + int (*connected)(struct snd_soc_dapm_widget *source, + struct snd_soc_dapm_widget *sink); +}; + +/* dapm audio path between two widgets */ +struct snd_soc_dapm_path { + const char *name; + + /* source (input) and sink (output) widgets */ + struct snd_soc_dapm_widget *source; + struct snd_soc_dapm_widget *sink; + + /* status */ + u32 connect:1; /* source and sink widgets are connected */ + u32 walking:1; /* path is in the process of being walked */ + u32 weak:1; /* path ignored for power management */ + u32 is_supply:1; /* At least one of the connected widgets is a supply */ + + int (*connected)(struct snd_soc_dapm_widget *source, + struct snd_soc_dapm_widget *sink); + + struct list_head list_source; + struct list_head list_sink; + struct list_head list_kcontrol; + struct list_head list; +}; + +/* dapm widget */ +struct snd_soc_dapm_widget { + enum snd_soc_dapm_type id; + const char *name; /* widget name */ + const char *sname; /* stream name */ + struct list_head list; + struct snd_soc_dapm_context *dapm; + + void *priv; /* widget specific data */ + struct regulator *regulator; /* attached regulator */ + const struct snd_soc_pcm_stream *params; /* params for dai links */ + unsigned int num_params; /* number of params for dai links */ + unsigned int params_select; /* currently selected param for dai link */ + + /* dapm control */ + int reg; /* negative reg = no direct dapm */ + unsigned char shift; /* bits to shift */ + unsigned int mask; /* non-shifted mask */ + unsigned int on_val; /* on state value */ + unsigned int off_val; /* off state value */ + unsigned char power:1; /* block power status */ + unsigned char active:1; /* active stream on DAC, ADC's */ + unsigned char connected:1; /* connected codec pin */ + unsigned char new:1; /* cnew complete */ + unsigned char force:1; /* force state */ + unsigned char ignore_suspend:1; /* kept enabled over suspend */ + unsigned char new_power:1; /* power from this run */ + unsigned char power_checked:1; /* power checked this run */ + unsigned char is_supply:1; /* Widget is a supply type widget */ + unsigned char is_sink:1; /* Widget is a sink type widget */ + unsigned char is_source:1; /* Widget is a source type widget */ + int subseq; /* sort within widget type */ + + int (*power_check)(struct snd_soc_dapm_widget *w); + + /* external events */ + unsigned short event_flags; /* flags to specify event types */ + int (*event)(struct snd_soc_dapm_widget*, struct snd_kcontrol *, int); + + /* kcontrols that relate to this widget */ + int num_kcontrols; + const struct snd_kcontrol_new *kcontrol_news; + struct snd_kcontrol **kcontrols; + + /* widget input and outputs */ + struct list_head sources; + struct list_head sinks; + + /* used during DAPM updates */ + struct list_head work_list; + struct list_head power_list; + struct list_head dirty; + int inputs; + int outputs; + + struct clk *clk; +}; + +struct snd_soc_dapm_update { + struct snd_kcontrol *kcontrol; + int reg; + int mask; + int val; +}; + +/* DAPM context */ +struct snd_soc_dapm_context { + enum snd_soc_bias_level bias_level; + unsigned int idle_bias_off:1; /* Use BIAS_OFF instead of STANDBY */ + /* Go to BIAS_OFF in suspend if the DAPM context is idle */ + unsigned int suspend_bias_off:1; + void (*seq_notifier)(struct snd_soc_dapm_context *, + enum snd_soc_dapm_type, int); + + struct device *dev; /* from parent - for debug */ + struct snd_soc_component *component; /* parent component */ + struct snd_soc_card *card; /* parent card */ + + /* used during DAPM updates */ + enum snd_soc_bias_level target_bias_level; + struct list_head list; + + int (*stream_event)(struct snd_soc_dapm_context *dapm, int event); + int (*set_bias_level)(struct snd_soc_dapm_context *dapm, + enum snd_soc_bias_level level); + +#ifdef CONFIG_DEBUG_FS + struct dentry *debugfs_dapm; +#endif +}; + +/* A list of widgets associated with an object, typically a snd_kcontrol */ +struct snd_soc_dapm_widget_list { + int num_widgets; + struct snd_soc_dapm_widget *widgets[0]; +}; + +struct snd_soc_dapm_stats { + int power_checks; + int path_checks; + int neighbour_checks; +}; + +#endif |