1/* 2 * linux/sound/soc-dapm.h -- ALSA SoC Dynamic Audio Power Management 3 * 4 * Author: Liam Girdwood 5 * Created: Aug 11th 2005 6 * Copyright: Wolfson Microelectronics. PLC. 7 * 8 * This program is free software; you can redistribute it and/or modify 9 * it under the terms of the GNU General Public License version 2 as 10 * published by the Free Software Foundation. 11 */ 12 13#ifndef __LINUX_SND_SOC_DAPM_H 14#define __LINUX_SND_SOC_DAPM_H 15 16#include <linux/types.h> 17#include <sound/control.h> 18 19struct device; 20 21/* widget has no PM register bit */ 22#define SND_SOC_NOPM -1 23 24/* 25 * SoC dynamic audio power management 26 * 27 * We can have up to 4 power domains 28 * 1. Codec domain - VREF, VMID 29 * Usually controlled at codec probe/remove, although can be set 30 * at stream time if power is not needed for sidetone, etc. 31 * 2. Platform/Machine domain - physically connected inputs and outputs 32 * Is platform/machine and user action specific, is set in the machine 33 * driver and by userspace e.g when HP are inserted 34 * 3. Path domain - Internal codec path mixers 35 * Are automatically set when mixer and mux settings are 36 * changed by the user. 37 * 4. Stream domain - DAC's and ADC's. 38 * Enabled when stream playback/capture is started. 39 */ 40 41/* codec domain */ 42#define SND_SOC_DAPM_VMID(wname) \ 43{ .id = snd_soc_dapm_vmid, .name = wname, .kcontrol_news = NULL, \ 44 .num_kcontrols = 0} 45 46/* platform domain */ 47#define SND_SOC_DAPM_SIGGEN(wname) \ 48{ .id = snd_soc_dapm_siggen, .name = wname, .kcontrol_news = NULL, \ 49 .num_kcontrols = 0, .reg = SND_SOC_NOPM } 50#define SND_SOC_DAPM_INPUT(wname) \ 51{ .id = snd_soc_dapm_input, .name = wname, .kcontrol_news = NULL, \ 52 .num_kcontrols = 0, .reg = SND_SOC_NOPM } 53#define SND_SOC_DAPM_OUTPUT(wname) \ 54{ .id = snd_soc_dapm_output, .name = wname, .kcontrol_news = NULL, \ 55 .num_kcontrols = 0, .reg = SND_SOC_NOPM } 56#define SND_SOC_DAPM_MIC(wname, wevent) \ 57{ .id = snd_soc_dapm_mic, .name = wname, .kcontrol_news = NULL, \ 58 .num_kcontrols = 0, .reg = SND_SOC_NOPM, .event = wevent, \ 59 .event_flags = SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD} 60#define SND_SOC_DAPM_HP(wname, wevent) \ 61{ .id = snd_soc_dapm_hp, .name = wname, .kcontrol_news = NULL, \ 62 .num_kcontrols = 0, .reg = SND_SOC_NOPM, .event = wevent, \ 63 .event_flags = SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD} 64#define SND_SOC_DAPM_SPK(wname, wevent) \ 65{ .id = snd_soc_dapm_spk, .name = wname, .kcontrol_news = NULL, \ 66 .num_kcontrols = 0, .reg = SND_SOC_NOPM, .event = wevent, \ 67 .event_flags = SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD} 68#define SND_SOC_DAPM_LINE(wname, wevent) \ 69{ .id = snd_soc_dapm_line, .name = wname, .kcontrol_news = NULL, \ 70 .num_kcontrols = 0, .reg = SND_SOC_NOPM, .event = wevent, \ 71 .event_flags = SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD} 72 73#define SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert) \ 74 .reg = wreg, .mask = 1, .shift = wshift, \ 75 .on_val = winvert ? 0 : 1, .off_val = winvert ? 1 : 0 76 77/* path domain */ 78#define SND_SOC_DAPM_PGA(wname, wreg, wshift, winvert,\ 79 wcontrols, wncontrols) \ 80{ .id = snd_soc_dapm_pga, .name = wname, \ 81 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ 82 .kcontrol_news = wcontrols, .num_kcontrols = wncontrols} 83#define SND_SOC_DAPM_OUT_DRV(wname, wreg, wshift, winvert,\ 84 wcontrols, wncontrols) \ 85{ .id = snd_soc_dapm_out_drv, .name = wname, \ 86 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ 87 .kcontrol_news = wcontrols, .num_kcontrols = wncontrols} 88#define SND_SOC_DAPM_MIXER(wname, wreg, wshift, winvert, \ 89 wcontrols, wncontrols)\ 90{ .id = snd_soc_dapm_mixer, .name = wname, \ 91 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ 92 .kcontrol_news = wcontrols, .num_kcontrols = wncontrols} 93#define SND_SOC_DAPM_MIXER_NAMED_CTL(wname, wreg, wshift, winvert, \ 94 wcontrols, wncontrols)\ 95{ .id = snd_soc_dapm_mixer_named_ctl, .name = wname, \ 96 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ 97 .kcontrol_news = wcontrols, .num_kcontrols = wncontrols} 98#define SND_SOC_DAPM_MICBIAS(wname, wreg, wshift, winvert) \ 99{ .id = snd_soc_dapm_micbias, .name = wname, \ 100 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ 101 .kcontrol_news = NULL, .num_kcontrols = 0} 102#define SND_SOC_DAPM_SWITCH(wname, wreg, wshift, winvert, wcontrols) \ 103{ .id = snd_soc_dapm_switch, .name = wname, \ 104 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ 105 .kcontrol_news = wcontrols, .num_kcontrols = 1} 106#define SND_SOC_DAPM_MUX(wname, wreg, wshift, winvert, wcontrols) \ 107{ .id = snd_soc_dapm_mux, .name = wname, \ 108 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ 109 .kcontrol_news = wcontrols, .num_kcontrols = 1} 110 111/* Simplified versions of above macros, assuming wncontrols = ARRAY_SIZE(wcontrols) */ 112#define SOC_PGA_ARRAY(wname, wreg, wshift, winvert,\ 113 wcontrols) \ 114{ .id = snd_soc_dapm_pga, .name = wname, \ 115 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ 116 .kcontrol_news = wcontrols, .num_kcontrols = ARRAY_SIZE(wcontrols)} 117#define SOC_MIXER_ARRAY(wname, wreg, wshift, winvert, \ 118 wcontrols)\ 119{ .id = snd_soc_dapm_mixer, .name = wname, \ 120 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ 121 .kcontrol_news = wcontrols, .num_kcontrols = ARRAY_SIZE(wcontrols)} 122#define SOC_MIXER_NAMED_CTL_ARRAY(wname, wreg, wshift, winvert, \ 123 wcontrols)\ 124{ .id = snd_soc_dapm_mixer_named_ctl, .name = wname, \ 125 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ 126 .kcontrol_news = wcontrols, .num_kcontrols = ARRAY_SIZE(wcontrols)} 127 128/* path domain with event - event handler must return 0 for success */ 129#define SND_SOC_DAPM_PGA_E(wname, wreg, wshift, winvert, wcontrols, \ 130 wncontrols, wevent, wflags) \ 131{ .id = snd_soc_dapm_pga, .name = wname, \ 132 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ 133 .kcontrol_news = wcontrols, .num_kcontrols = wncontrols, \ 134 .event = wevent, .event_flags = wflags} 135#define SND_SOC_DAPM_OUT_DRV_E(wname, wreg, wshift, winvert, wcontrols, \ 136 wncontrols, wevent, wflags) \ 137{ .id = snd_soc_dapm_out_drv, .name = wname, \ 138 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ 139 .kcontrol_news = wcontrols, .num_kcontrols = wncontrols, \ 140 .event = wevent, .event_flags = wflags} 141#define SND_SOC_DAPM_MIXER_E(wname, wreg, wshift, winvert, wcontrols, \ 142 wncontrols, wevent, wflags) \ 143{ .id = snd_soc_dapm_mixer, .name = wname, \ 144 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ 145 .kcontrol_news = wcontrols, .num_kcontrols = wncontrols, \ 146 .event = wevent, .event_flags = wflags} 147#define SND_SOC_DAPM_MIXER_NAMED_CTL_E(wname, wreg, wshift, winvert, \ 148 wcontrols, wncontrols, wevent, wflags) \ 149{ .id = snd_soc_dapm_mixer, .name = wname, \ 150 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ 151 .kcontrol_news = wcontrols, \ 152 .num_kcontrols = wncontrols, .event = wevent, .event_flags = wflags} 153#define SND_SOC_DAPM_SWITCH_E(wname, wreg, wshift, winvert, wcontrols, \ 154 wevent, wflags) \ 155{ .id = snd_soc_dapm_switch, .name = wname, \ 156 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ 157 .kcontrol_news = wcontrols, .num_kcontrols = 1, \ 158 .event = wevent, .event_flags = wflags} 159#define SND_SOC_DAPM_MUX_E(wname, wreg, wshift, winvert, wcontrols, \ 160 wevent, wflags) \ 161{ .id = snd_soc_dapm_mux, .name = wname, \ 162 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ 163 .kcontrol_news = wcontrols, .num_kcontrols = 1, \ 164 .event = wevent, .event_flags = wflags} 165 166/* additional sequencing control within an event type */ 167#define SND_SOC_DAPM_PGA_S(wname, wsubseq, wreg, wshift, winvert, \ 168 wevent, wflags) \ 169{ .id = snd_soc_dapm_pga, .name = wname, \ 170 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ 171 .event = wevent, .event_flags = wflags, \ 172 .subseq = wsubseq} 173#define SND_SOC_DAPM_SUPPLY_S(wname, wsubseq, wreg, wshift, winvert, wevent, \ 174 wflags) \ 175{ .id = snd_soc_dapm_supply, .name = wname, \ 176 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ 177 .event = wevent, .event_flags = wflags, .subseq = wsubseq} 178 179/* Simplified versions of above macros, assuming wncontrols = ARRAY_SIZE(wcontrols) */ 180#define SOC_PGA_E_ARRAY(wname, wreg, wshift, winvert, wcontrols, \ 181 wevent, wflags) \ 182{ .id = snd_soc_dapm_pga, .name = wname, \ 183 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ 184 .kcontrol_news = wcontrols, .num_kcontrols = ARRAY_SIZE(wcontrols), \ 185 .event = wevent, .event_flags = wflags} 186#define SOC_MIXER_E_ARRAY(wname, wreg, wshift, winvert, wcontrols, \ 187 wevent, wflags) \ 188{ .id = snd_soc_dapm_mixer, .name = wname, \ 189 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ 190 .kcontrol_news = wcontrols, .num_kcontrols = ARRAY_SIZE(wcontrols), \ 191 .event = wevent, .event_flags = wflags} 192#define SOC_MIXER_NAMED_CTL_E_ARRAY(wname, wreg, wshift, winvert, \ 193 wcontrols, wevent, wflags) \ 194{ .id = snd_soc_dapm_mixer, .name = wname, \ 195 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ 196 .kcontrol_news = wcontrols, .num_kcontrols = ARRAY_SIZE(wcontrols), \ 197 .event = wevent, .event_flags = wflags} 198 199/* events that are pre and post DAPM */ 200#define SND_SOC_DAPM_PRE(wname, wevent) \ 201{ .id = snd_soc_dapm_pre, .name = wname, .kcontrol_news = NULL, \ 202 .num_kcontrols = 0, .reg = SND_SOC_NOPM, .event = wevent, \ 203 .event_flags = SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD} 204#define SND_SOC_DAPM_POST(wname, wevent) \ 205{ .id = snd_soc_dapm_post, .name = wname, .kcontrol_news = NULL, \ 206 .num_kcontrols = 0, .reg = SND_SOC_NOPM, .event = wevent, \ 207 .event_flags = SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD} 208 209/* stream domain */ 210#define SND_SOC_DAPM_AIF_IN(wname, stname, wslot, wreg, wshift, winvert) \ 211{ .id = snd_soc_dapm_aif_in, .name = wname, .sname = stname, \ 212 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), } 213#define SND_SOC_DAPM_AIF_IN_E(wname, stname, wslot, wreg, wshift, winvert, \ 214 wevent, wflags) \ 215{ .id = snd_soc_dapm_aif_in, .name = wname, .sname = stname, \ 216 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ 217 .event = wevent, .event_flags = wflags } 218#define SND_SOC_DAPM_AIF_OUT(wname, stname, wslot, wreg, wshift, winvert) \ 219{ .id = snd_soc_dapm_aif_out, .name = wname, .sname = stname, \ 220 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), } 221#define SND_SOC_DAPM_AIF_OUT_E(wname, stname, wslot, wreg, wshift, winvert, \ 222 wevent, wflags) \ 223{ .id = snd_soc_dapm_aif_out, .name = wname, .sname = stname, \ 224 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ 225 .event = wevent, .event_flags = wflags } 226#define SND_SOC_DAPM_DAC(wname, stname, wreg, wshift, winvert) \ 227{ .id = snd_soc_dapm_dac, .name = wname, .sname = stname, \ 228 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert) } 229#define SND_SOC_DAPM_DAC_E(wname, stname, wreg, wshift, winvert, \ 230 wevent, wflags) \ 231{ .id = snd_soc_dapm_dac, .name = wname, .sname = stname, \ 232 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ 233 .event = wevent, .event_flags = wflags} 234 235#define SND_SOC_DAPM_ADC(wname, stname, wreg, wshift, winvert) \ 236{ .id = snd_soc_dapm_adc, .name = wname, .sname = stname, \ 237 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), } 238#define SND_SOC_DAPM_ADC_E(wname, stname, wreg, wshift, winvert, \ 239 wevent, wflags) \ 240{ .id = snd_soc_dapm_adc, .name = wname, .sname = stname, \ 241 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ 242 .event = wevent, .event_flags = wflags} 243#define SND_SOC_DAPM_CLOCK_SUPPLY(wname) \ 244{ .id = snd_soc_dapm_clock_supply, .name = wname, \ 245 .reg = SND_SOC_NOPM, .event = dapm_clock_event, \ 246 .event_flags = SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD } 247 248/* generic widgets */ 249#define SND_SOC_DAPM_REG(wid, wname, wreg, wshift, wmask, won_val, woff_val) \ 250{ .id = wid, .name = wname, .kcontrol_news = NULL, .num_kcontrols = 0, \ 251 .reg = wreg, .shift = wshift, .mask = wmask, \ 252 .on_val = won_val, .off_val = woff_val, } 253#define SND_SOC_DAPM_SUPPLY(wname, wreg, wshift, winvert, wevent, wflags) \ 254{ .id = snd_soc_dapm_supply, .name = wname, \ 255 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ 256 .event = wevent, .event_flags = wflags} 257#define SND_SOC_DAPM_REGULATOR_SUPPLY(wname, wdelay, wflags) \ 258{ .id = snd_soc_dapm_regulator_supply, .name = wname, \ 259 .reg = SND_SOC_NOPM, .shift = wdelay, .event = dapm_regulator_event, \ 260 .event_flags = SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD, \ 261 .on_val = wflags} 262 263 264/* dapm kcontrol types */ 265#define SOC_DAPM_SINGLE(xname, reg, shift, max, invert) \ 266{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 267 .info = snd_soc_info_volsw, \ 268 .get = snd_soc_dapm_get_volsw, .put = snd_soc_dapm_put_volsw, \ 269 .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert, 0) } 270#define SOC_DAPM_SINGLE_AUTODISABLE(xname, reg, shift, max, invert) \ 271{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 272 .info = snd_soc_info_volsw, \ 273 .get = snd_soc_dapm_get_volsw, .put = snd_soc_dapm_put_volsw, \ 274 .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert, 1) } 275#define SOC_DAPM_SINGLE_VIRT(xname, max) \ 276 SOC_DAPM_SINGLE(xname, SND_SOC_NOPM, 0, max, 0) 277#define SOC_DAPM_SINGLE_TLV(xname, reg, shift, max, invert, tlv_array) \ 278{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 279 .info = snd_soc_info_volsw, \ 280 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | SNDRV_CTL_ELEM_ACCESS_READWRITE,\ 281 .tlv.p = (tlv_array), \ 282 .get = snd_soc_dapm_get_volsw, .put = snd_soc_dapm_put_volsw, \ 283 .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert, 0) } 284#define SOC_DAPM_SINGLE_TLV_AUTODISABLE(xname, reg, shift, max, invert, tlv_array) \ 285{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 286 .info = snd_soc_info_volsw, \ 287 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | SNDRV_CTL_ELEM_ACCESS_READWRITE,\ 288 .tlv.p = (tlv_array), \ 289 .get = snd_soc_dapm_get_volsw, .put = snd_soc_dapm_put_volsw, \ 290 .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert, 1) } 291#define SOC_DAPM_SINGLE_TLV_VIRT(xname, max, tlv_array) \ 292 SOC_DAPM_SINGLE(xname, SND_SOC_NOPM, 0, max, 0, tlv_array) 293#define SOC_DAPM_ENUM(xname, xenum) \ 294{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 295 .info = snd_soc_info_enum_double, \ 296 .get = snd_soc_dapm_get_enum_double, \ 297 .put = snd_soc_dapm_put_enum_double, \ 298 .private_value = (unsigned long)&xenum } 299#define SOC_DAPM_ENUM_EXT(xname, xenum, xget, xput) \ 300{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 301 .info = snd_soc_info_enum_double, \ 302 .get = xget, \ 303 .put = xput, \ 304 .private_value = (unsigned long)&xenum } 305#define SOC_DAPM_PIN_SWITCH(xname) \ 306{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname " Switch", \ 307 .info = snd_soc_dapm_info_pin_switch, \ 308 .get = snd_soc_dapm_get_pin_switch, \ 309 .put = snd_soc_dapm_put_pin_switch, \ 310 .private_value = (unsigned long)xname } 311 312/* dapm stream operations */ 313#define SND_SOC_DAPM_STREAM_NOP 0x0 314#define SND_SOC_DAPM_STREAM_START 0x1 315#define SND_SOC_DAPM_STREAM_STOP 0x2 316#define SND_SOC_DAPM_STREAM_SUSPEND 0x4 317#define SND_SOC_DAPM_STREAM_RESUME 0x8 318#define SND_SOC_DAPM_STREAM_PAUSE_PUSH 0x10 319#define SND_SOC_DAPM_STREAM_PAUSE_RELEASE 0x20 320 321/* dapm event types */ 322#define SND_SOC_DAPM_PRE_PMU 0x1 /* before widget power up */ 323#define SND_SOC_DAPM_POST_PMU 0x2 /* after widget power up */ 324#define SND_SOC_DAPM_PRE_PMD 0x4 /* before widget power down */ 325#define SND_SOC_DAPM_POST_PMD 0x8 /* after widget power down */ 326#define SND_SOC_DAPM_PRE_REG 0x10 /* before audio path setup */ 327#define SND_SOC_DAPM_POST_REG 0x20 /* after audio path setup */ 328#define SND_SOC_DAPM_WILL_PMU 0x40 /* called at start of sequence */ 329#define SND_SOC_DAPM_WILL_PMD 0x80 /* called at start of sequence */ 330#define SND_SOC_DAPM_PRE_POST_PMD \ 331 (SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD) 332 333/* convenience event type detection */ 334#define SND_SOC_DAPM_EVENT_ON(e) \ 335 (e & (SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU)) 336#define SND_SOC_DAPM_EVENT_OFF(e) \ 337 (e & (SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD)) 338 339/* regulator widget flags */ 340#define SND_SOC_DAPM_REGULATOR_BYPASS 0x1 /* bypass when disabled */ 341 342struct snd_soc_dapm_widget; 343enum snd_soc_dapm_type; 344struct snd_soc_dapm_path; 345struct snd_soc_dapm_pin; 346struct snd_soc_dapm_route; 347struct snd_soc_dapm_context; 348struct regulator; 349struct snd_soc_dapm_widget_list; 350struct snd_soc_dapm_update; 351 352int dapm_regulator_event(struct snd_soc_dapm_widget *w, 353 struct snd_kcontrol *kcontrol, int event); 354int dapm_clock_event(struct snd_soc_dapm_widget *w, 355 struct snd_kcontrol *kcontrol, int event); 356 357/* dapm controls */ 358int snd_soc_dapm_put_volsw(struct snd_kcontrol *kcontrol, 359 struct snd_ctl_elem_value *ucontrol); 360int snd_soc_dapm_get_volsw(struct snd_kcontrol *kcontrol, 361 struct snd_ctl_elem_value *ucontrol); 362int snd_soc_dapm_get_enum_double(struct snd_kcontrol *kcontrol, 363 struct snd_ctl_elem_value *ucontrol); 364int snd_soc_dapm_put_enum_double(struct snd_kcontrol *kcontrol, 365 struct snd_ctl_elem_value *ucontrol); 366int snd_soc_dapm_info_pin_switch(struct snd_kcontrol *kcontrol, 367 struct snd_ctl_elem_info *uinfo); 368int snd_soc_dapm_get_pin_switch(struct snd_kcontrol *kcontrol, 369 struct snd_ctl_elem_value *uncontrol); 370int snd_soc_dapm_put_pin_switch(struct snd_kcontrol *kcontrol, 371 struct snd_ctl_elem_value *uncontrol); 372int snd_soc_dapm_new_controls(struct snd_soc_dapm_context *dapm, 373 const struct snd_soc_dapm_widget *widget, 374 int num); 375int snd_soc_dapm_new_dai_widgets(struct snd_soc_dapm_context *dapm, 376 struct snd_soc_dai *dai); 377int snd_soc_dapm_link_dai_widgets(struct snd_soc_card *card); 378void snd_soc_dapm_connect_dai_link_widgets(struct snd_soc_card *card); 379int snd_soc_dapm_new_pcm(struct snd_soc_card *card, 380 const struct snd_soc_pcm_stream *params, 381 unsigned int num_params, 382 struct snd_soc_dapm_widget *source, 383 struct snd_soc_dapm_widget *sink); 384 385/* dapm path setup */ 386int snd_soc_dapm_new_widgets(struct snd_soc_card *card); 387void snd_soc_dapm_free(struct snd_soc_dapm_context *dapm); 388int snd_soc_dapm_add_routes(struct snd_soc_dapm_context *dapm, 389 const struct snd_soc_dapm_route *route, int num); 390int snd_soc_dapm_del_routes(struct snd_soc_dapm_context *dapm, 391 const struct snd_soc_dapm_route *route, int num); 392int snd_soc_dapm_weak_routes(struct snd_soc_dapm_context *dapm, 393 const struct snd_soc_dapm_route *route, int num); 394 395/* dapm events */ 396void snd_soc_dapm_stream_event(struct snd_soc_pcm_runtime *rtd, int stream, 397 int event); 398void snd_soc_dapm_shutdown(struct snd_soc_card *card); 399 400/* external DAPM widget events */ 401int snd_soc_dapm_mixer_update_power(struct snd_soc_dapm_context *dapm, 402 struct snd_kcontrol *kcontrol, int connect, 403 struct snd_soc_dapm_update *update); 404int snd_soc_dapm_mux_update_power(struct snd_soc_dapm_context *dapm, 405 struct snd_kcontrol *kcontrol, int mux, struct soc_enum *e, 406 struct snd_soc_dapm_update *update); 407 408/* dapm sys fs - used by the core */ 409extern struct attribute *soc_dapm_dev_attrs[]; 410void snd_soc_dapm_debugfs_init(struct snd_soc_dapm_context *dapm, 411 struct dentry *parent); 412 413/* dapm audio pin control and status */ 414int snd_soc_dapm_enable_pin(struct snd_soc_dapm_context *dapm, 415 const char *pin); 416int snd_soc_dapm_enable_pin_unlocked(struct snd_soc_dapm_context *dapm, 417 const char *pin); 418int snd_soc_dapm_disable_pin(struct snd_soc_dapm_context *dapm, 419 const char *pin); 420int snd_soc_dapm_disable_pin_unlocked(struct snd_soc_dapm_context *dapm, 421 const char *pin); 422int snd_soc_dapm_nc_pin(struct snd_soc_dapm_context *dapm, const char *pin); 423int snd_soc_dapm_nc_pin_unlocked(struct snd_soc_dapm_context *dapm, 424 const char *pin); 425int snd_soc_dapm_get_pin_status(struct snd_soc_dapm_context *dapm, 426 const char *pin); 427int snd_soc_dapm_sync(struct snd_soc_dapm_context *dapm); 428int snd_soc_dapm_sync_unlocked(struct snd_soc_dapm_context *dapm); 429int snd_soc_dapm_force_enable_pin(struct snd_soc_dapm_context *dapm, 430 const char *pin); 431int snd_soc_dapm_force_enable_pin_unlocked(struct snd_soc_dapm_context *dapm, 432 const char *pin); 433int snd_soc_dapm_ignore_suspend(struct snd_soc_dapm_context *dapm, 434 const char *pin); 435unsigned int dapm_kcontrol_get_value(const struct snd_kcontrol *kcontrol); 436 437/* Mostly internal - should not normally be used */ 438void dapm_mark_endpoints_dirty(struct snd_soc_card *card); 439 440/* dapm path query */ 441int snd_soc_dapm_dai_get_connected_widgets(struct snd_soc_dai *dai, int stream, 442 struct snd_soc_dapm_widget_list **list); 443 444struct snd_soc_dapm_context *snd_soc_dapm_kcontrol_dapm( 445 struct snd_kcontrol *kcontrol); 446 447/* dapm widget types */ 448enum snd_soc_dapm_type { 449 snd_soc_dapm_input = 0, /* input pin */ 450 snd_soc_dapm_output, /* output pin */ 451 snd_soc_dapm_mux, /* selects 1 analog signal from many inputs */ 452 snd_soc_dapm_mixer, /* mixes several analog signals together */ 453 snd_soc_dapm_mixer_named_ctl, /* mixer with named controls */ 454 snd_soc_dapm_pga, /* programmable gain/attenuation (volume) */ 455 snd_soc_dapm_out_drv, /* output driver */ 456 snd_soc_dapm_adc, /* analog to digital converter */ 457 snd_soc_dapm_dac, /* digital to analog converter */ 458 snd_soc_dapm_micbias, /* microphone bias (power) */ 459 snd_soc_dapm_mic, /* microphone */ 460 snd_soc_dapm_hp, /* headphones */ 461 snd_soc_dapm_spk, /* speaker */ 462 snd_soc_dapm_line, /* line input/output */ 463 snd_soc_dapm_switch, /* analog switch */ 464 snd_soc_dapm_vmid, /* codec bias/vmid - to minimise pops */ 465 snd_soc_dapm_pre, /* machine specific pre widget - exec first */ 466 snd_soc_dapm_post, /* machine specific post widget - exec last */ 467 snd_soc_dapm_supply, /* power/clock supply */ 468 snd_soc_dapm_regulator_supply, /* external regulator */ 469 snd_soc_dapm_clock_supply, /* external clock */ 470 snd_soc_dapm_aif_in, /* audio interface input */ 471 snd_soc_dapm_aif_out, /* audio interface output */ 472 snd_soc_dapm_siggen, /* signal generator */ 473 snd_soc_dapm_dai_in, /* link to DAI structure */ 474 snd_soc_dapm_dai_out, 475 snd_soc_dapm_dai_link, /* link between two DAI structures */ 476 snd_soc_dapm_kcontrol, /* Auto-disabled kcontrol */ 477}; 478 479enum snd_soc_dapm_subclass { 480 SND_SOC_DAPM_CLASS_INIT = 0, 481 SND_SOC_DAPM_CLASS_RUNTIME = 1, 482}; 483 484/* 485 * DAPM audio route definition. 486 * 487 * Defines an audio route originating at source via control and finishing 488 * at sink. 489 */ 490struct snd_soc_dapm_route { 491 const char *sink; 492 const char *control; 493 const char *source; 494 495 /* Note: currently only supported for links where source is a supply */ 496 int (*connected)(struct snd_soc_dapm_widget *source, 497 struct snd_soc_dapm_widget *sink); 498}; 499 500/* dapm audio path between two widgets */ 501struct snd_soc_dapm_path { 502 const char *name; 503 504 /* source (input) and sink (output) widgets */ 505 struct snd_soc_dapm_widget *source; 506 struct snd_soc_dapm_widget *sink; 507 508 /* status */ 509 u32 connect:1; /* source and sink widgets are connected */ 510 u32 walking:1; /* path is in the process of being walked */ 511 u32 weak:1; /* path ignored for power management */ 512 u32 is_supply:1; /* At least one of the connected widgets is a supply */ 513 514 int (*connected)(struct snd_soc_dapm_widget *source, 515 struct snd_soc_dapm_widget *sink); 516 517 struct list_head list_source; 518 struct list_head list_sink; 519 struct list_head list_kcontrol; 520 struct list_head list; 521}; 522 523/* dapm widget */ 524struct snd_soc_dapm_widget { 525 enum snd_soc_dapm_type id; 526 const char *name; /* widget name */ 527 const char *sname; /* stream name */ 528 struct list_head list; 529 struct snd_soc_dapm_context *dapm; 530 531 void *priv; /* widget specific data */ 532 struct regulator *regulator; /* attached regulator */ 533 const struct snd_soc_pcm_stream *params; /* params for dai links */ 534 unsigned int num_params; /* number of params for dai links */ 535 unsigned int params_select; /* currently selected param for dai link */ 536 537 /* dapm control */ 538 int reg; /* negative reg = no direct dapm */ 539 unsigned char shift; /* bits to shift */ 540 unsigned int mask; /* non-shifted mask */ 541 unsigned int on_val; /* on state value */ 542 unsigned int off_val; /* off state value */ 543 unsigned char power:1; /* block power status */ 544 unsigned char active:1; /* active stream on DAC, ADC's */ 545 unsigned char connected:1; /* connected codec pin */ 546 unsigned char new:1; /* cnew complete */ 547 unsigned char force:1; /* force state */ 548 unsigned char ignore_suspend:1; /* kept enabled over suspend */ 549 unsigned char new_power:1; /* power from this run */ 550 unsigned char power_checked:1; /* power checked this run */ 551 unsigned char is_supply:1; /* Widget is a supply type widget */ 552 unsigned char is_sink:1; /* Widget is a sink type widget */ 553 unsigned char is_source:1; /* Widget is a source type widget */ 554 int subseq; /* sort within widget type */ 555 556 int (*power_check)(struct snd_soc_dapm_widget *w); 557 558 /* external events */ 559 unsigned short event_flags; /* flags to specify event types */ 560 int (*event)(struct snd_soc_dapm_widget*, struct snd_kcontrol *, int); 561 562 /* kcontrols that relate to this widget */ 563 int num_kcontrols; 564 const struct snd_kcontrol_new *kcontrol_news; 565 struct snd_kcontrol **kcontrols; 566 567 /* widget input and outputs */ 568 struct list_head sources; 569 struct list_head sinks; 570 571 /* used during DAPM updates */ 572 struct list_head work_list; 573 struct list_head power_list; 574 struct list_head dirty; 575 int inputs; 576 int outputs; 577 578 struct clk *clk; 579}; 580 581struct snd_soc_dapm_update { 582 struct snd_kcontrol *kcontrol; 583 int reg; 584 int mask; 585 int val; 586}; 587 588/* DAPM context */ 589struct snd_soc_dapm_context { 590 enum snd_soc_bias_level bias_level; 591 unsigned int idle_bias_off:1; /* Use BIAS_OFF instead of STANDBY */ 592 /* Go to BIAS_OFF in suspend if the DAPM context is idle */ 593 unsigned int suspend_bias_off:1; 594 void (*seq_notifier)(struct snd_soc_dapm_context *, 595 enum snd_soc_dapm_type, int); 596 597 struct device *dev; /* from parent - for debug */ 598 struct snd_soc_component *component; /* parent component */ 599 struct snd_soc_card *card; /* parent card */ 600 601 /* used during DAPM updates */ 602 enum snd_soc_bias_level target_bias_level; 603 struct list_head list; 604 605 int (*stream_event)(struct snd_soc_dapm_context *dapm, int event); 606 int (*set_bias_level)(struct snd_soc_dapm_context *dapm, 607 enum snd_soc_bias_level level); 608 609#ifdef CONFIG_DEBUG_FS 610 struct dentry *debugfs_dapm; 611#endif 612}; 613 614/* A list of widgets associated with an object, typically a snd_kcontrol */ 615struct snd_soc_dapm_widget_list { 616 int num_widgets; 617 struct snd_soc_dapm_widget *widgets[0]; 618}; 619 620struct snd_soc_dapm_stats { 621 int power_checks; 622 int path_checks; 623 int neighbour_checks; 624}; 625 626#endif 627