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 19 struct 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 /* path domain */ 74 #define SND_SOC_DAPM_PGA(wname, wreg, wshift, winvert,\ 75 wcontrols, wncontrols) \ 76 { .id = snd_soc_dapm_pga, .name = wname, .reg = wreg, .shift = wshift, \ 77 .invert = winvert, .kcontrol_news = wcontrols, .num_kcontrols = wncontrols} 78 #define SND_SOC_DAPM_OUT_DRV(wname, wreg, wshift, winvert,\ 79 wcontrols, wncontrols) \ 80 { .id = snd_soc_dapm_out_drv, .name = wname, .reg = wreg, .shift = wshift, \ 81 .invert = winvert, .kcontrol_news = wcontrols, .num_kcontrols = wncontrols} 82 #define SND_SOC_DAPM_MIXER(wname, wreg, wshift, winvert, \ 83 wcontrols, wncontrols)\ 84 { .id = snd_soc_dapm_mixer, .name = wname, .reg = wreg, .shift = wshift, \ 85 .invert = winvert, .kcontrol_news = wcontrols, .num_kcontrols = wncontrols} 86 #define SND_SOC_DAPM_MIXER_NAMED_CTL(wname, wreg, wshift, winvert, \ 87 wcontrols, wncontrols)\ 88 { .id = snd_soc_dapm_mixer_named_ctl, .name = wname, .reg = wreg, \ 89 .shift = wshift, .invert = winvert, .kcontrol_news = wcontrols, \ 90 .num_kcontrols = wncontrols} 91 #define SND_SOC_DAPM_MICBIAS(wname, wreg, wshift, winvert) \ 92 { .id = snd_soc_dapm_micbias, .name = wname, .reg = wreg, .shift = wshift, \ 93 .invert = winvert, .kcontrol_news = NULL, .num_kcontrols = 0} 94 #define SND_SOC_DAPM_SWITCH(wname, wreg, wshift, winvert, wcontrols) \ 95 { .id = snd_soc_dapm_switch, .name = wname, .reg = wreg, .shift = wshift, \ 96 .invert = winvert, .kcontrol_news = wcontrols, .num_kcontrols = 1} 97 #define SND_SOC_DAPM_MUX(wname, wreg, wshift, winvert, wcontrols) \ 98 { .id = snd_soc_dapm_mux, .name = wname, .reg = wreg, .shift = wshift, \ 99 .invert = winvert, .kcontrol_news = wcontrols, .num_kcontrols = 1} 100 #define SND_SOC_DAPM_VIRT_MUX(wname, wreg, wshift, winvert, wcontrols) \ 101 { .id = snd_soc_dapm_virt_mux, .name = wname, .reg = wreg, .shift = wshift, \ 102 .invert = winvert, .kcontrol_news = wcontrols, .num_kcontrols = 1} 103 #define SND_SOC_DAPM_VALUE_MUX(wname, wreg, wshift, winvert, wcontrols) \ 104 { .id = snd_soc_dapm_value_mux, .name = wname, .reg = wreg, \ 105 .shift = wshift, .invert = winvert, .kcontrol_news = wcontrols, \ 106 .num_kcontrols = 1} 107 108 /* Simplified versions of above macros, assuming wncontrols = ARRAY_SIZE(wcontrols) */ 109 #define SOC_PGA_ARRAY(wname, wreg, wshift, winvert,\ 110 wcontrols) \ 111 { .id = snd_soc_dapm_pga, .name = wname, .reg = wreg, .shift = wshift, \ 112 .invert = winvert, .kcontrol_news = wcontrols, .num_kcontrols = ARRAY_SIZE(wcontrols)} 113 #define SOC_MIXER_ARRAY(wname, wreg, wshift, winvert, \ 114 wcontrols)\ 115 { .id = snd_soc_dapm_mixer, .name = wname, .reg = wreg, .shift = wshift, \ 116 .invert = winvert, .kcontrol_news = wcontrols, .num_kcontrols = ARRAY_SIZE(wcontrols)} 117 #define SOC_MIXER_NAMED_CTL_ARRAY(wname, wreg, wshift, winvert, \ 118 wcontrols)\ 119 { .id = snd_soc_dapm_mixer_named_ctl, .name = wname, .reg = wreg, \ 120 .shift = wshift, .invert = winvert, .kcontrol_news = wcontrols, \ 121 .num_kcontrols = ARRAY_SIZE(wcontrols)} 122 123 /* path domain with event - event handler must return 0 for success */ 124 #define SND_SOC_DAPM_PGA_E(wname, wreg, wshift, winvert, wcontrols, \ 125 wncontrols, wevent, wflags) \ 126 { .id = snd_soc_dapm_pga, .name = wname, .reg = wreg, .shift = wshift, \ 127 .invert = winvert, .kcontrol_news = wcontrols, .num_kcontrols = wncontrols, \ 128 .event = wevent, .event_flags = wflags} 129 #define SND_SOC_DAPM_OUT_DRV_E(wname, wreg, wshift, winvert, wcontrols, \ 130 wncontrols, wevent, wflags) \ 131 { .id = snd_soc_dapm_out_drv, .name = wname, .reg = wreg, .shift = wshift, \ 132 .invert = winvert, .kcontrol_news = wcontrols, .num_kcontrols = wncontrols, \ 133 .event = wevent, .event_flags = wflags} 134 #define SND_SOC_DAPM_MIXER_E(wname, wreg, wshift, winvert, wcontrols, \ 135 wncontrols, wevent, wflags) \ 136 { .id = snd_soc_dapm_mixer, .name = wname, .reg = wreg, .shift = wshift, \ 137 .invert = winvert, .kcontrol_news = wcontrols, .num_kcontrols = wncontrols, \ 138 .event = wevent, .event_flags = wflags} 139 #define SND_SOC_DAPM_MIXER_NAMED_CTL_E(wname, wreg, wshift, winvert, \ 140 wcontrols, wncontrols, wevent, wflags) \ 141 { .id = snd_soc_dapm_mixer, .name = wname, .reg = wreg, .shift = wshift, \ 142 .invert = winvert, .kcontrol_news = wcontrols, \ 143 .num_kcontrols = wncontrols, .event = wevent, .event_flags = wflags} 144 #define SND_SOC_DAPM_MICBIAS_E(wname, wreg, wshift, winvert, wevent, wflags) \ 145 { .id = snd_soc_dapm_micbias, .name = wname, .reg = wreg, .shift = wshift, \ 146 .invert = winvert, .kcontrol_news = NULL, .num_kcontrols = 0, \ 147 .event = wevent, .event_flags = wflags} 148 #define SND_SOC_DAPM_SWITCH_E(wname, wreg, wshift, winvert, wcontrols, \ 149 wevent, wflags) \ 150 { .id = snd_soc_dapm_switch, .name = wname, .reg = wreg, .shift = wshift, \ 151 .invert = winvert, .kcontrol_news = wcontrols, .num_kcontrols = 1, \ 152 .event = wevent, .event_flags = wflags} 153 #define SND_SOC_DAPM_MUX_E(wname, wreg, wshift, winvert, wcontrols, \ 154 wevent, wflags) \ 155 { .id = snd_soc_dapm_mux, .name = wname, .reg = wreg, .shift = wshift, \ 156 .invert = winvert, .kcontrol_news = wcontrols, .num_kcontrols = 1, \ 157 .event = wevent, .event_flags = wflags} 158 #define SND_SOC_DAPM_VIRT_MUX_E(wname, wreg, wshift, winvert, wcontrols, \ 159 wevent, wflags) \ 160 { .id = snd_soc_dapm_virt_mux, .name = wname, .reg = wreg, .shift = wshift, \ 161 .invert = winvert, .kcontrol_news = wcontrols, .num_kcontrols = 1, \ 162 .event = wevent, .event_flags = wflags} 163 164 /* additional sequencing control within an event type */ 165 #define SND_SOC_DAPM_PGA_S(wname, wsubseq, wreg, wshift, winvert, \ 166 wevent, wflags) \ 167 { .id = snd_soc_dapm_pga, .name = wname, .reg = wreg, .shift = wshift, \ 168 .invert = winvert, .event = wevent, .event_flags = wflags, \ 169 .subseq = wsubseq} 170 #define SND_SOC_DAPM_SUPPLY_S(wname, wsubseq, wreg, wshift, winvert, wevent, \ 171 wflags) \ 172 { .id = snd_soc_dapm_supply, .name = wname, .reg = wreg, \ 173 .shift = wshift, .invert = winvert, .event = wevent, \ 174 .event_flags = wflags, .subseq = wsubseq} 175 176 /* Simplified versions of above macros, assuming wncontrols = ARRAY_SIZE(wcontrols) */ 177 #define SOC_PGA_E_ARRAY(wname, wreg, wshift, winvert, wcontrols, \ 178 wevent, wflags) \ 179 { .id = snd_soc_dapm_pga, .name = wname, .reg = wreg, .shift = wshift, \ 180 .invert = winvert, .kcontrol_news = wcontrols, .num_kcontrols = ARRAY_SIZE(wcontrols), \ 181 .event = wevent, .event_flags = wflags} 182 #define SOC_MIXER_E_ARRAY(wname, wreg, wshift, winvert, wcontrols, \ 183 wevent, wflags) \ 184 { .id = snd_soc_dapm_mixer, .name = wname, .reg = wreg, .shift = wshift, \ 185 .invert = winvert, .kcontrol_news = wcontrols, .num_kcontrols = ARRAY_SIZE(wcontrols), \ 186 .event = wevent, .event_flags = wflags} 187 #define SOC_MIXER_NAMED_CTL_E_ARRAY(wname, wreg, wshift, winvert, \ 188 wcontrols, wevent, wflags) \ 189 { .id = snd_soc_dapm_mixer, .name = wname, .reg = wreg, .shift = wshift, \ 190 .invert = winvert, .kcontrol_news = wcontrols, \ 191 .num_kcontrols = ARRAY_SIZE(wcontrols), .event = wevent, .event_flags = wflags} 192 193 /* events that are pre and post DAPM */ 194 #define SND_SOC_DAPM_PRE(wname, wevent) \ 195 { .id = snd_soc_dapm_pre, .name = wname, .kcontrol_news = NULL, \ 196 .num_kcontrols = 0, .reg = SND_SOC_NOPM, .event = wevent, \ 197 .event_flags = SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD} 198 #define SND_SOC_DAPM_POST(wname, wevent) \ 199 { .id = snd_soc_dapm_post, .name = wname, .kcontrol_news = NULL, \ 200 .num_kcontrols = 0, .reg = SND_SOC_NOPM, .event = wevent, \ 201 .event_flags = SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD} 202 203 /* stream domain */ 204 #define SND_SOC_DAPM_AIF_IN(wname, stname, wslot, wreg, wshift, winvert) \ 205 { .id = snd_soc_dapm_aif_in, .name = wname, .sname = stname, \ 206 .reg = wreg, .shift = wshift, .invert = winvert } 207 #define SND_SOC_DAPM_AIF_IN_E(wname, stname, wslot, wreg, wshift, winvert, \ 208 wevent, wflags) \ 209 { .id = snd_soc_dapm_aif_in, .name = wname, .sname = stname, \ 210 .reg = wreg, .shift = wshift, .invert = winvert, \ 211 .event = wevent, .event_flags = wflags } 212 #define SND_SOC_DAPM_AIF_OUT(wname, stname, wslot, wreg, wshift, winvert) \ 213 { .id = snd_soc_dapm_aif_out, .name = wname, .sname = stname, \ 214 .reg = wreg, .shift = wshift, .invert = winvert } 215 #define SND_SOC_DAPM_AIF_OUT_E(wname, stname, wslot, wreg, wshift, winvert, \ 216 wevent, wflags) \ 217 { .id = snd_soc_dapm_aif_out, .name = wname, .sname = stname, \ 218 .reg = wreg, .shift = wshift, .invert = winvert, \ 219 .event = wevent, .event_flags = wflags } 220 #define SND_SOC_DAPM_DAC(wname, stname, wreg, wshift, winvert) \ 221 { .id = snd_soc_dapm_dac, .name = wname, .sname = stname, .reg = wreg, \ 222 .shift = wshift, .invert = winvert} 223 #define SND_SOC_DAPM_DAC_E(wname, stname, wreg, wshift, winvert, \ 224 wevent, wflags) \ 225 { .id = snd_soc_dapm_dac, .name = wname, .sname = stname, .reg = wreg, \ 226 .shift = wshift, .invert = winvert, \ 227 .event = wevent, .event_flags = wflags} 228 #define SND_SOC_DAPM_ADC(wname, stname, wreg, wshift, winvert) \ 229 { .id = snd_soc_dapm_adc, .name = wname, .sname = stname, .reg = wreg, \ 230 .shift = wshift, .invert = winvert} 231 #define SND_SOC_DAPM_ADC_E(wname, stname, wreg, wshift, winvert, \ 232 wevent, wflags) \ 233 { .id = snd_soc_dapm_adc, .name = wname, .sname = stname, .reg = wreg, \ 234 .shift = wshift, .invert = winvert, \ 235 .event = wevent, .event_flags = wflags} 236 237 /* generic widgets */ 238 #define SND_SOC_DAPM_REG(wid, wname, wreg, wshift, wmask, won_val, woff_val) \ 239 { .id = wid, .name = wname, .kcontrol_news = NULL, .num_kcontrols = 0, \ 240 .reg = -((wreg) + 1), .shift = wshift, .mask = wmask, \ 241 .on_val = won_val, .off_val = woff_val, .event = dapm_reg_event, \ 242 .event_flags = SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD} 243 #define SND_SOC_DAPM_SUPPLY(wname, wreg, wshift, winvert, wevent, wflags) \ 244 { .id = snd_soc_dapm_supply, .name = wname, .reg = wreg, \ 245 .shift = wshift, .invert = winvert, .event = wevent, \ 246 .event_flags = wflags} 247 #define SND_SOC_DAPM_REGULATOR_SUPPLY(wname, wdelay) \ 248 { .id = snd_soc_dapm_regulator_supply, .name = wname, \ 249 .reg = SND_SOC_NOPM, .shift = wdelay, .event = dapm_regulator_event, \ 250 .event_flags = SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD } 251 252 /* dapm kcontrol types */ 253 #define SOC_DAPM_SINGLE(xname, reg, shift, max, invert) \ 254 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 255 .info = snd_soc_info_volsw, \ 256 .get = snd_soc_dapm_get_volsw, .put = snd_soc_dapm_put_volsw, \ 257 .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert) } 258 #define SOC_DAPM_SINGLE_TLV(xname, reg, shift, max, invert, tlv_array) \ 259 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 260 .info = snd_soc_info_volsw, \ 261 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | SNDRV_CTL_ELEM_ACCESS_READWRITE,\ 262 .tlv.p = (tlv_array), \ 263 .get = snd_soc_dapm_get_volsw, .put = snd_soc_dapm_put_volsw, \ 264 .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert) } 265 #define SOC_DAPM_ENUM(xname, xenum) \ 266 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 267 .info = snd_soc_info_enum_double, \ 268 .get = snd_soc_dapm_get_enum_double, \ 269 .put = snd_soc_dapm_put_enum_double, \ 270 .private_value = (unsigned long)&xenum } 271 #define SOC_DAPM_ENUM_VIRT(xname, xenum) \ 272 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 273 .info = snd_soc_info_enum_double, \ 274 .get = snd_soc_dapm_get_enum_virt, \ 275 .put = snd_soc_dapm_put_enum_virt, \ 276 .private_value = (unsigned long)&xenum } 277 #define SOC_DAPM_ENUM_EXT(xname, xenum, xget, xput) \ 278 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 279 .info = snd_soc_info_enum_double, \ 280 .get = xget, \ 281 .put = xput, \ 282 .private_value = (unsigned long)&xenum } 283 #define SOC_DAPM_VALUE_ENUM(xname, xenum) \ 284 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 285 .info = snd_soc_info_enum_double, \ 286 .get = snd_soc_dapm_get_value_enum_double, \ 287 .put = snd_soc_dapm_put_value_enum_double, \ 288 .private_value = (unsigned long)&xenum } 289 #define SOC_DAPM_PIN_SWITCH(xname) \ 290 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname " Switch", \ 291 .info = snd_soc_dapm_info_pin_switch, \ 292 .get = snd_soc_dapm_get_pin_switch, \ 293 .put = snd_soc_dapm_put_pin_switch, \ 294 .private_value = (unsigned long)xname } 295 296 /* dapm stream operations */ 297 #define SND_SOC_DAPM_STREAM_NOP 0x0 298 #define SND_SOC_DAPM_STREAM_START 0x1 299 #define SND_SOC_DAPM_STREAM_STOP 0x2 300 #define SND_SOC_DAPM_STREAM_SUSPEND 0x4 301 #define SND_SOC_DAPM_STREAM_RESUME 0x8 302 #define SND_SOC_DAPM_STREAM_PAUSE_PUSH 0x10 303 #define SND_SOC_DAPM_STREAM_PAUSE_RELEASE 0x20 304 305 /* dapm event types */ 306 #define SND_SOC_DAPM_PRE_PMU 0x1 /* before widget power up */ 307 #define SND_SOC_DAPM_POST_PMU 0x2 /* after widget power up */ 308 #define SND_SOC_DAPM_PRE_PMD 0x4 /* before widget power down */ 309 #define SND_SOC_DAPM_POST_PMD 0x8 /* after widget power down */ 310 #define SND_SOC_DAPM_PRE_REG 0x10 /* before audio path setup */ 311 #define SND_SOC_DAPM_POST_REG 0x20 /* after audio path setup */ 312 #define SND_SOC_DAPM_PRE_POST_PMD \ 313 (SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD) 314 315 /* convenience event type detection */ 316 #define SND_SOC_DAPM_EVENT_ON(e) \ 317 (e & (SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU)) 318 #define SND_SOC_DAPM_EVENT_OFF(e) \ 319 (e & (SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD)) 320 321 struct snd_soc_dapm_widget; 322 enum snd_soc_dapm_type; 323 struct snd_soc_dapm_path; 324 struct snd_soc_dapm_pin; 325 struct snd_soc_dapm_route; 326 struct snd_soc_dapm_context; 327 328 int dapm_reg_event(struct snd_soc_dapm_widget *w, 329 struct snd_kcontrol *kcontrol, int event); 330 int dapm_regulator_event(struct snd_soc_dapm_widget *w, 331 struct snd_kcontrol *kcontrol, int event); 332 333 /* dapm controls */ 334 int snd_soc_dapm_put_volsw(struct snd_kcontrol *kcontrol, 335 struct snd_ctl_elem_value *ucontrol); 336 int snd_soc_dapm_get_volsw(struct snd_kcontrol *kcontrol, 337 struct snd_ctl_elem_value *ucontrol); 338 int snd_soc_dapm_get_enum_double(struct snd_kcontrol *kcontrol, 339 struct snd_ctl_elem_value *ucontrol); 340 int snd_soc_dapm_put_enum_double(struct snd_kcontrol *kcontrol, 341 struct snd_ctl_elem_value *ucontrol); 342 int snd_soc_dapm_get_enum_virt(struct snd_kcontrol *kcontrol, 343 struct snd_ctl_elem_value *ucontrol); 344 int snd_soc_dapm_put_enum_virt(struct snd_kcontrol *kcontrol, 345 struct snd_ctl_elem_value *ucontrol); 346 int snd_soc_dapm_get_value_enum_double(struct snd_kcontrol *kcontrol, 347 struct snd_ctl_elem_value *ucontrol); 348 int snd_soc_dapm_put_value_enum_double(struct snd_kcontrol *kcontrol, 349 struct snd_ctl_elem_value *ucontrol); 350 int snd_soc_dapm_info_pin_switch(struct snd_kcontrol *kcontrol, 351 struct snd_ctl_elem_info *uinfo); 352 int snd_soc_dapm_get_pin_switch(struct snd_kcontrol *kcontrol, 353 struct snd_ctl_elem_value *uncontrol); 354 int snd_soc_dapm_put_pin_switch(struct snd_kcontrol *kcontrol, 355 struct snd_ctl_elem_value *uncontrol); 356 int snd_soc_dapm_new_controls(struct snd_soc_dapm_context *dapm, 357 const struct snd_soc_dapm_widget *widget, 358 int num); 359 int snd_soc_dapm_new_dai_widgets(struct snd_soc_dapm_context *dapm, 360 struct snd_soc_dai *dai); 361 int snd_soc_dapm_link_dai_widgets(struct snd_soc_card *card); 362 363 /* dapm path setup */ 364 int snd_soc_dapm_new_widgets(struct snd_soc_dapm_context *dapm); 365 void snd_soc_dapm_free(struct snd_soc_dapm_context *dapm); 366 int snd_soc_dapm_add_routes(struct snd_soc_dapm_context *dapm, 367 const struct snd_soc_dapm_route *route, int num); 368 int snd_soc_dapm_weak_routes(struct snd_soc_dapm_context *dapm, 369 const struct snd_soc_dapm_route *route, int num); 370 371 /* dapm events */ 372 int snd_soc_dapm_stream_event(struct snd_soc_pcm_runtime *rtd, int stream, 373 struct snd_soc_dai *dai, int event); 374 void snd_soc_dapm_shutdown(struct snd_soc_card *card); 375 376 /* external DAPM widget events */ 377 int snd_soc_dapm_mixer_update_power(struct snd_soc_dapm_widget *widget, 378 struct snd_kcontrol *kcontrol, int connect); 379 int snd_soc_dapm_mux_update_power(struct snd_soc_dapm_widget *widget, 380 struct snd_kcontrol *kcontrol, int mux, struct soc_enum *e); 381 382 /* dapm sys fs - used by the core */ 383 int snd_soc_dapm_sys_add(struct device *dev); 384 void snd_soc_dapm_debugfs_init(struct snd_soc_dapm_context *dapm, 385 struct dentry *parent); 386 387 /* dapm audio pin control and status */ 388 int snd_soc_dapm_enable_pin(struct snd_soc_dapm_context *dapm, 389 const char *pin); 390 int snd_soc_dapm_disable_pin(struct snd_soc_dapm_context *dapm, 391 const char *pin); 392 int snd_soc_dapm_nc_pin(struct snd_soc_dapm_context *dapm, const char *pin); 393 int snd_soc_dapm_get_pin_status(struct snd_soc_dapm_context *dapm, 394 const char *pin); 395 int snd_soc_dapm_sync(struct snd_soc_dapm_context *dapm); 396 int snd_soc_dapm_force_enable_pin(struct snd_soc_dapm_context *dapm, 397 const char *pin); 398 int snd_soc_dapm_ignore_suspend(struct snd_soc_dapm_context *dapm, 399 const char *pin); 400 void snd_soc_dapm_auto_nc_codec_pins(struct snd_soc_codec *codec); 401 402 /* Mostly internal - should not normally be used */ 403 void dapm_mark_dirty(struct snd_soc_dapm_widget *w, const char *reason); 404 405 /* dapm widget types */ 406 enum snd_soc_dapm_type { 407 snd_soc_dapm_input = 0, /* input pin */ 408 snd_soc_dapm_output, /* output pin */ 409 snd_soc_dapm_mux, /* selects 1 analog signal from many inputs */ 410 snd_soc_dapm_virt_mux, /* virtual version of snd_soc_dapm_mux */ 411 snd_soc_dapm_value_mux, /* selects 1 analog signal from many inputs */ 412 snd_soc_dapm_mixer, /* mixes several analog signals together */ 413 snd_soc_dapm_mixer_named_ctl, /* mixer with named controls */ 414 snd_soc_dapm_pga, /* programmable gain/attenuation (volume) */ 415 snd_soc_dapm_out_drv, /* output driver */ 416 snd_soc_dapm_adc, /* analog to digital converter */ 417 snd_soc_dapm_dac, /* digital to analog converter */ 418 snd_soc_dapm_micbias, /* microphone bias (power) */ 419 snd_soc_dapm_mic, /* microphone */ 420 snd_soc_dapm_hp, /* headphones */ 421 snd_soc_dapm_spk, /* speaker */ 422 snd_soc_dapm_line, /* line input/output */ 423 snd_soc_dapm_switch, /* analog switch */ 424 snd_soc_dapm_vmid, /* codec bias/vmid - to minimise pops */ 425 snd_soc_dapm_pre, /* machine specific pre widget - exec first */ 426 snd_soc_dapm_post, /* machine specific post widget - exec last */ 427 snd_soc_dapm_supply, /* power/clock supply */ 428 snd_soc_dapm_regulator_supply, /* external regulator */ 429 snd_soc_dapm_aif_in, /* audio interface input */ 430 snd_soc_dapm_aif_out, /* audio interface output */ 431 snd_soc_dapm_siggen, /* signal generator */ 432 snd_soc_dapm_dai, /* link to DAI structure */ 433 }; 434 435 /* 436 * DAPM audio route definition. 437 * 438 * Defines an audio route originating at source via control and finishing 439 * at sink. 440 */ 441 struct snd_soc_dapm_route { 442 const char *sink; 443 const char *control; 444 const char *source; 445 446 /* Note: currently only supported for links where source is a supply */ 447 int (*connected)(struct snd_soc_dapm_widget *source, 448 struct snd_soc_dapm_widget *sink); 449 }; 450 451 /* dapm audio path between two widgets */ 452 struct snd_soc_dapm_path { 453 const char *name; 454 const char *long_name; 455 456 /* source (input) and sink (output) widgets */ 457 struct snd_soc_dapm_widget *source; 458 struct snd_soc_dapm_widget *sink; 459 struct snd_kcontrol *kcontrol; 460 461 /* status */ 462 u32 connect:1; /* source and sink widgets are connected */ 463 u32 walked:1; /* path has been walked */ 464 u32 weak:1; /* path ignored for power management */ 465 466 int (*connected)(struct snd_soc_dapm_widget *source, 467 struct snd_soc_dapm_widget *sink); 468 469 struct list_head list_source; 470 struct list_head list_sink; 471 struct list_head list; 472 }; 473 474 /* dapm widget */ 475 struct snd_soc_dapm_widget { 476 enum snd_soc_dapm_type id; 477 const char *name; /* widget name */ 478 const char *sname; /* stream name */ 479 struct snd_soc_codec *codec; 480 struct snd_soc_platform *platform; 481 struct list_head list; 482 struct snd_soc_dapm_context *dapm; 483 484 void *priv; /* widget specific data */ 485 486 /* dapm control */ 487 short reg; /* negative reg = no direct dapm */ 488 unsigned char shift; /* bits to shift */ 489 unsigned int saved_value; /* widget saved value */ 490 unsigned int value; /* widget current value */ 491 unsigned int mask; /* non-shifted mask */ 492 unsigned int on_val; /* on state value */ 493 unsigned int off_val; /* off state value */ 494 unsigned char power:1; /* block power status */ 495 unsigned char invert:1; /* invert the power bit */ 496 unsigned char active:1; /* active stream on DAC, ADC's */ 497 unsigned char connected:1; /* connected codec pin */ 498 unsigned char new:1; /* cnew complete */ 499 unsigned char ext:1; /* has external widgets */ 500 unsigned char force:1; /* force state */ 501 unsigned char ignore_suspend:1; /* kept enabled over suspend */ 502 unsigned char new_power:1; /* power from this run */ 503 unsigned char power_checked:1; /* power checked this run */ 504 int subseq; /* sort within widget type */ 505 506 int (*power_check)(struct snd_soc_dapm_widget *w); 507 508 /* external events */ 509 unsigned short event_flags; /* flags to specify event types */ 510 int (*event)(struct snd_soc_dapm_widget*, struct snd_kcontrol *, int); 511 512 /* kcontrols that relate to this widget */ 513 int num_kcontrols; 514 const struct snd_kcontrol_new *kcontrol_news; 515 struct snd_kcontrol **kcontrols; 516 517 /* widget input and outputs */ 518 struct list_head sources; 519 struct list_head sinks; 520 521 /* used during DAPM updates */ 522 struct list_head power_list; 523 struct list_head dirty; 524 int inputs; 525 int outputs; 526 }; 527 528 struct snd_soc_dapm_update { 529 struct snd_soc_dapm_widget *widget; 530 struct snd_kcontrol *kcontrol; 531 int reg; 532 int mask; 533 int val; 534 }; 535 536 /* DAPM context */ 537 struct snd_soc_dapm_context { 538 int n_widgets; /* number of widgets in this context */ 539 enum snd_soc_bias_level bias_level; 540 enum snd_soc_bias_level suspend_bias_level; 541 struct delayed_work delayed_work; 542 unsigned int idle_bias_off:1; /* Use BIAS_OFF instead of STANDBY */ 543 544 struct snd_soc_dapm_update *update; 545 546 void (*seq_notifier)(struct snd_soc_dapm_context *, 547 enum snd_soc_dapm_type, int); 548 549 struct device *dev; /* from parent - for debug */ 550 struct snd_soc_codec *codec; /* parent codec */ 551 struct snd_soc_platform *platform; /* parent platform */ 552 struct snd_soc_card *card; /* parent card */ 553 554 /* used during DAPM updates */ 555 enum snd_soc_bias_level target_bias_level; 556 struct list_head list; 557 558 int (*stream_event)(struct snd_soc_dapm_context *dapm, int event); 559 560 #ifdef CONFIG_DEBUG_FS 561 struct dentry *debugfs_dapm; 562 #endif 563 }; 564 565 /* A list of widgets associated with an object, typically a snd_kcontrol */ 566 struct snd_soc_dapm_widget_list { 567 int num_widgets; 568 struct snd_soc_dapm_widget *widgets[0]; 569 }; 570 571 struct snd_soc_dapm_stats { 572 int power_checks; 573 int path_checks; 574 int neighbour_checks; 575 }; 576 577 #endif 578