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_SWITCH_E(wname, wreg, wshift, winvert, wcontrols, \ 145 wevent, wflags) \ 146 { .id = snd_soc_dapm_switch, .name = wname, .reg = wreg, .shift = wshift, \ 147 .invert = winvert, .kcontrol_news = wcontrols, .num_kcontrols = 1, \ 148 .event = wevent, .event_flags = wflags} 149 #define SND_SOC_DAPM_MUX_E(wname, wreg, wshift, winvert, wcontrols, \ 150 wevent, wflags) \ 151 { .id = snd_soc_dapm_mux, .name = wname, .reg = wreg, .shift = wshift, \ 152 .invert = winvert, .kcontrol_news = wcontrols, .num_kcontrols = 1, \ 153 .event = wevent, .event_flags = wflags} 154 #define SND_SOC_DAPM_VIRT_MUX_E(wname, wreg, wshift, winvert, wcontrols, \ 155 wevent, wflags) \ 156 { .id = snd_soc_dapm_virt_mux, .name = wname, .reg = wreg, .shift = wshift, \ 157 .invert = winvert, .kcontrol_news = wcontrols, .num_kcontrols = 1, \ 158 .event = wevent, .event_flags = wflags} 159 160 /* additional sequencing control within an event type */ 161 #define SND_SOC_DAPM_PGA_S(wname, wsubseq, wreg, wshift, winvert, \ 162 wevent, wflags) \ 163 { .id = snd_soc_dapm_pga, .name = wname, .reg = wreg, .shift = wshift, \ 164 .invert = winvert, .event = wevent, .event_flags = wflags, \ 165 .subseq = wsubseq} 166 #define SND_SOC_DAPM_SUPPLY_S(wname, wsubseq, wreg, wshift, winvert, wevent, \ 167 wflags) \ 168 { .id = snd_soc_dapm_supply, .name = wname, .reg = wreg, \ 169 .shift = wshift, .invert = winvert, .event = wevent, \ 170 .event_flags = wflags, .subseq = wsubseq} 171 172 /* Simplified versions of above macros, assuming wncontrols = ARRAY_SIZE(wcontrols) */ 173 #define SOC_PGA_E_ARRAY(wname, wreg, wshift, winvert, wcontrols, \ 174 wevent, wflags) \ 175 { .id = snd_soc_dapm_pga, .name = wname, .reg = wreg, .shift = wshift, \ 176 .invert = winvert, .kcontrol_news = wcontrols, .num_kcontrols = ARRAY_SIZE(wcontrols), \ 177 .event = wevent, .event_flags = wflags} 178 #define SOC_MIXER_E_ARRAY(wname, wreg, wshift, winvert, wcontrols, \ 179 wevent, wflags) \ 180 { .id = snd_soc_dapm_mixer, .name = wname, .reg = wreg, .shift = wshift, \ 181 .invert = winvert, .kcontrol_news = wcontrols, .num_kcontrols = ARRAY_SIZE(wcontrols), \ 182 .event = wevent, .event_flags = wflags} 183 #define SOC_MIXER_NAMED_CTL_E_ARRAY(wname, wreg, wshift, winvert, \ 184 wcontrols, wevent, wflags) \ 185 { .id = snd_soc_dapm_mixer, .name = wname, .reg = wreg, .shift = wshift, \ 186 .invert = winvert, .kcontrol_news = wcontrols, \ 187 .num_kcontrols = ARRAY_SIZE(wcontrols), .event = wevent, .event_flags = wflags} 188 189 /* events that are pre and post DAPM */ 190 #define SND_SOC_DAPM_PRE(wname, wevent) \ 191 { .id = snd_soc_dapm_pre, .name = wname, .kcontrol_news = NULL, \ 192 .num_kcontrols = 0, .reg = SND_SOC_NOPM, .event = wevent, \ 193 .event_flags = SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD} 194 #define SND_SOC_DAPM_POST(wname, wevent) \ 195 { .id = snd_soc_dapm_post, .name = wname, .kcontrol_news = NULL, \ 196 .num_kcontrols = 0, .reg = SND_SOC_NOPM, .event = wevent, \ 197 .event_flags = SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD} 198 199 /* stream domain */ 200 #define SND_SOC_DAPM_AIF_IN(wname, stname, wslot, wreg, wshift, winvert) \ 201 { .id = snd_soc_dapm_aif_in, .name = wname, .sname = stname, \ 202 .reg = wreg, .shift = wshift, .invert = winvert } 203 #define SND_SOC_DAPM_AIF_IN_E(wname, stname, wslot, wreg, wshift, winvert, \ 204 wevent, wflags) \ 205 { .id = snd_soc_dapm_aif_in, .name = wname, .sname = stname, \ 206 .reg = wreg, .shift = wshift, .invert = winvert, \ 207 .event = wevent, .event_flags = wflags } 208 #define SND_SOC_DAPM_AIF_OUT(wname, stname, wslot, wreg, wshift, winvert) \ 209 { .id = snd_soc_dapm_aif_out, .name = wname, .sname = stname, \ 210 .reg = wreg, .shift = wshift, .invert = winvert } 211 #define SND_SOC_DAPM_AIF_OUT_E(wname, stname, wslot, wreg, wshift, winvert, \ 212 wevent, wflags) \ 213 { .id = snd_soc_dapm_aif_out, .name = wname, .sname = stname, \ 214 .reg = wreg, .shift = wshift, .invert = winvert, \ 215 .event = wevent, .event_flags = wflags } 216 #define SND_SOC_DAPM_DAC(wname, stname, wreg, wshift, winvert) \ 217 { .id = snd_soc_dapm_dac, .name = wname, .sname = stname, .reg = wreg, \ 218 .shift = wshift, .invert = winvert} 219 #define SND_SOC_DAPM_DAC_E(wname, stname, wreg, wshift, winvert, \ 220 wevent, wflags) \ 221 { .id = snd_soc_dapm_dac, .name = wname, .sname = stname, .reg = wreg, \ 222 .shift = wshift, .invert = winvert, \ 223 .event = wevent, .event_flags = wflags} 224 #define SND_SOC_DAPM_ADC(wname, stname, wreg, wshift, winvert) \ 225 { .id = snd_soc_dapm_adc, .name = wname, .sname = stname, .reg = wreg, \ 226 .shift = wshift, .invert = winvert} 227 #define SND_SOC_DAPM_ADC_E(wname, stname, wreg, wshift, winvert, \ 228 wevent, wflags) \ 229 { .id = snd_soc_dapm_adc, .name = wname, .sname = stname, .reg = wreg, \ 230 .shift = wshift, .invert = winvert, \ 231 .event = wevent, .event_flags = wflags} 232 #define SND_SOC_DAPM_CLOCK_SUPPLY(wname) \ 233 { .id = snd_soc_dapm_clock_supply, .name = wname, \ 234 .reg = SND_SOC_NOPM, .event = dapm_clock_event, \ 235 .event_flags = SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD } 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, wflags) \ 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 .invert = wflags} 252 253 254 /* dapm kcontrol types */ 255 #define SOC_DAPM_SINGLE(xname, reg, shift, max, invert) \ 256 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 257 .info = snd_soc_info_volsw, \ 258 .get = snd_soc_dapm_get_volsw, .put = snd_soc_dapm_put_volsw, \ 259 .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert) } 260 #define SOC_DAPM_SINGLE_TLV(xname, reg, shift, max, invert, tlv_array) \ 261 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 262 .info = snd_soc_info_volsw, \ 263 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | SNDRV_CTL_ELEM_ACCESS_READWRITE,\ 264 .tlv.p = (tlv_array), \ 265 .get = snd_soc_dapm_get_volsw, .put = snd_soc_dapm_put_volsw, \ 266 .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert) } 267 #define SOC_DAPM_ENUM(xname, xenum) \ 268 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 269 .info = snd_soc_info_enum_double, \ 270 .get = snd_soc_dapm_get_enum_double, \ 271 .put = snd_soc_dapm_put_enum_double, \ 272 .private_value = (unsigned long)&xenum } 273 #define SOC_DAPM_ENUM_VIRT(xname, xenum) \ 274 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 275 .info = snd_soc_info_enum_double, \ 276 .get = snd_soc_dapm_get_enum_virt, \ 277 .put = snd_soc_dapm_put_enum_virt, \ 278 .private_value = (unsigned long)&xenum } 279 #define SOC_DAPM_ENUM_EXT(xname, xenum, xget, xput) \ 280 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 281 .info = snd_soc_info_enum_double, \ 282 .get = xget, \ 283 .put = xput, \ 284 .private_value = (unsigned long)&xenum } 285 #define SOC_DAPM_VALUE_ENUM(xname, xenum) \ 286 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 287 .info = snd_soc_info_enum_double, \ 288 .get = snd_soc_dapm_get_value_enum_double, \ 289 .put = snd_soc_dapm_put_value_enum_double, \ 290 .private_value = (unsigned long)&xenum } 291 #define SOC_DAPM_PIN_SWITCH(xname) \ 292 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname " Switch", \ 293 .info = snd_soc_dapm_info_pin_switch, \ 294 .get = snd_soc_dapm_get_pin_switch, \ 295 .put = snd_soc_dapm_put_pin_switch, \ 296 .private_value = (unsigned long)xname } 297 298 /* dapm stream operations */ 299 #define SND_SOC_DAPM_STREAM_NOP 0x0 300 #define SND_SOC_DAPM_STREAM_START 0x1 301 #define SND_SOC_DAPM_STREAM_STOP 0x2 302 #define SND_SOC_DAPM_STREAM_SUSPEND 0x4 303 #define SND_SOC_DAPM_STREAM_RESUME 0x8 304 #define SND_SOC_DAPM_STREAM_PAUSE_PUSH 0x10 305 #define SND_SOC_DAPM_STREAM_PAUSE_RELEASE 0x20 306 307 /* dapm event types */ 308 #define SND_SOC_DAPM_PRE_PMU 0x1 /* before widget power up */ 309 #define SND_SOC_DAPM_POST_PMU 0x2 /* after widget power up */ 310 #define SND_SOC_DAPM_PRE_PMD 0x4 /* before widget power down */ 311 #define SND_SOC_DAPM_POST_PMD 0x8 /* after widget power down */ 312 #define SND_SOC_DAPM_PRE_REG 0x10 /* before audio path setup */ 313 #define SND_SOC_DAPM_POST_REG 0x20 /* after audio path setup */ 314 #define SND_SOC_DAPM_PRE_POST_PMD \ 315 (SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD) 316 317 /* convenience event type detection */ 318 #define SND_SOC_DAPM_EVENT_ON(e) \ 319 (e & (SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU)) 320 #define SND_SOC_DAPM_EVENT_OFF(e) \ 321 (e & (SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD)) 322 323 /* regulator widget flags */ 324 #define SND_SOC_DAPM_REGULATOR_BYPASS 0x1 /* bypass when disabled */ 325 326 struct snd_soc_dapm_widget; 327 enum snd_soc_dapm_type; 328 struct snd_soc_dapm_path; 329 struct snd_soc_dapm_pin; 330 struct snd_soc_dapm_route; 331 struct snd_soc_dapm_context; 332 struct regulator; 333 struct snd_soc_dapm_widget_list; 334 335 int dapm_reg_event(struct snd_soc_dapm_widget *w, 336 struct snd_kcontrol *kcontrol, int event); 337 int dapm_regulator_event(struct snd_soc_dapm_widget *w, 338 struct snd_kcontrol *kcontrol, int event); 339 int dapm_clock_event(struct snd_soc_dapm_widget *w, 340 struct snd_kcontrol *kcontrol, int event); 341 342 /* dapm controls */ 343 int snd_soc_dapm_put_volsw(struct snd_kcontrol *kcontrol, 344 struct snd_ctl_elem_value *ucontrol); 345 int snd_soc_dapm_get_volsw(struct snd_kcontrol *kcontrol, 346 struct snd_ctl_elem_value *ucontrol); 347 int snd_soc_dapm_get_enum_double(struct snd_kcontrol *kcontrol, 348 struct snd_ctl_elem_value *ucontrol); 349 int snd_soc_dapm_put_enum_double(struct snd_kcontrol *kcontrol, 350 struct snd_ctl_elem_value *ucontrol); 351 int snd_soc_dapm_get_enum_virt(struct snd_kcontrol *kcontrol, 352 struct snd_ctl_elem_value *ucontrol); 353 int snd_soc_dapm_put_enum_virt(struct snd_kcontrol *kcontrol, 354 struct snd_ctl_elem_value *ucontrol); 355 int snd_soc_dapm_get_value_enum_double(struct snd_kcontrol *kcontrol, 356 struct snd_ctl_elem_value *ucontrol); 357 int snd_soc_dapm_put_value_enum_double(struct snd_kcontrol *kcontrol, 358 struct snd_ctl_elem_value *ucontrol); 359 int snd_soc_dapm_info_pin_switch(struct snd_kcontrol *kcontrol, 360 struct snd_ctl_elem_info *uinfo); 361 int snd_soc_dapm_get_pin_switch(struct snd_kcontrol *kcontrol, 362 struct snd_ctl_elem_value *uncontrol); 363 int snd_soc_dapm_put_pin_switch(struct snd_kcontrol *kcontrol, 364 struct snd_ctl_elem_value *uncontrol); 365 int snd_soc_dapm_new_controls(struct snd_soc_dapm_context *dapm, 366 const struct snd_soc_dapm_widget *widget, 367 int num); 368 int snd_soc_dapm_new_dai_widgets(struct snd_soc_dapm_context *dapm, 369 struct snd_soc_dai *dai); 370 int snd_soc_dapm_link_dai_widgets(struct snd_soc_card *card); 371 int snd_soc_dapm_new_pcm(struct snd_soc_card *card, 372 const struct snd_soc_pcm_stream *params, 373 struct snd_soc_dapm_widget *source, 374 struct snd_soc_dapm_widget *sink); 375 376 /* dapm path setup */ 377 int snd_soc_dapm_new_widgets(struct snd_soc_dapm_context *dapm); 378 void snd_soc_dapm_free(struct snd_soc_dapm_context *dapm); 379 int snd_soc_dapm_add_routes(struct snd_soc_dapm_context *dapm, 380 const struct snd_soc_dapm_route *route, int num); 381 int snd_soc_dapm_del_routes(struct snd_soc_dapm_context *dapm, 382 const struct snd_soc_dapm_route *route, int num); 383 int snd_soc_dapm_weak_routes(struct snd_soc_dapm_context *dapm, 384 const struct snd_soc_dapm_route *route, int num); 385 386 /* dapm events */ 387 void snd_soc_dapm_stream_event(struct snd_soc_pcm_runtime *rtd, int stream, 388 int event); 389 void snd_soc_dapm_shutdown(struct snd_soc_card *card); 390 391 /* external DAPM widget events */ 392 int snd_soc_dapm_mixer_update_power(struct snd_soc_dapm_widget *widget, 393 struct snd_kcontrol *kcontrol, int connect); 394 int snd_soc_dapm_mux_update_power(struct snd_soc_dapm_widget *widget, 395 struct snd_kcontrol *kcontrol, int mux, struct soc_enum *e); 396 397 /* dapm sys fs - used by the core */ 398 int snd_soc_dapm_sys_add(struct device *dev); 399 void snd_soc_dapm_debugfs_init(struct snd_soc_dapm_context *dapm, 400 struct dentry *parent); 401 402 /* dapm audio pin control and status */ 403 int snd_soc_dapm_enable_pin(struct snd_soc_dapm_context *dapm, 404 const char *pin); 405 int snd_soc_dapm_disable_pin(struct snd_soc_dapm_context *dapm, 406 const char *pin); 407 int snd_soc_dapm_nc_pin(struct snd_soc_dapm_context *dapm, const char *pin); 408 int snd_soc_dapm_get_pin_status(struct snd_soc_dapm_context *dapm, 409 const char *pin); 410 int snd_soc_dapm_sync(struct snd_soc_dapm_context *dapm); 411 int snd_soc_dapm_force_enable_pin(struct snd_soc_dapm_context *dapm, 412 const char *pin); 413 int snd_soc_dapm_ignore_suspend(struct snd_soc_dapm_context *dapm, 414 const char *pin); 415 void snd_soc_dapm_auto_nc_codec_pins(struct snd_soc_codec *codec); 416 417 /* Mostly internal - should not normally be used */ 418 void dapm_mark_dirty(struct snd_soc_dapm_widget *w, const char *reason); 419 void dapm_mark_io_dirty(struct snd_soc_dapm_context *dapm); 420 421 /* dapm path query */ 422 int snd_soc_dapm_dai_get_connected_widgets(struct snd_soc_dai *dai, int stream, 423 struct snd_soc_dapm_widget_list **list); 424 425 /* dapm widget types */ 426 enum snd_soc_dapm_type { 427 snd_soc_dapm_input = 0, /* input pin */ 428 snd_soc_dapm_output, /* output pin */ 429 snd_soc_dapm_mux, /* selects 1 analog signal from many inputs */ 430 snd_soc_dapm_virt_mux, /* virtual version of snd_soc_dapm_mux */ 431 snd_soc_dapm_value_mux, /* selects 1 analog signal from many inputs */ 432 snd_soc_dapm_mixer, /* mixes several analog signals together */ 433 snd_soc_dapm_mixer_named_ctl, /* mixer with named controls */ 434 snd_soc_dapm_pga, /* programmable gain/attenuation (volume) */ 435 snd_soc_dapm_out_drv, /* output driver */ 436 snd_soc_dapm_adc, /* analog to digital converter */ 437 snd_soc_dapm_dac, /* digital to analog converter */ 438 snd_soc_dapm_micbias, /* microphone bias (power) */ 439 snd_soc_dapm_mic, /* microphone */ 440 snd_soc_dapm_hp, /* headphones */ 441 snd_soc_dapm_spk, /* speaker */ 442 snd_soc_dapm_line, /* line input/output */ 443 snd_soc_dapm_switch, /* analog switch */ 444 snd_soc_dapm_vmid, /* codec bias/vmid - to minimise pops */ 445 snd_soc_dapm_pre, /* machine specific pre widget - exec first */ 446 snd_soc_dapm_post, /* machine specific post widget - exec last */ 447 snd_soc_dapm_supply, /* power/clock supply */ 448 snd_soc_dapm_regulator_supply, /* external regulator */ 449 snd_soc_dapm_clock_supply, /* external clock */ 450 snd_soc_dapm_aif_in, /* audio interface input */ 451 snd_soc_dapm_aif_out, /* audio interface output */ 452 snd_soc_dapm_siggen, /* signal generator */ 453 snd_soc_dapm_dai_in, /* link to DAI structure */ 454 snd_soc_dapm_dai_out, 455 snd_soc_dapm_dai_link, /* link between two DAI structures */ 456 }; 457 458 enum snd_soc_dapm_subclass { 459 SND_SOC_DAPM_CLASS_INIT = 0, 460 SND_SOC_DAPM_CLASS_RUNTIME = 1, 461 }; 462 463 /* 464 * DAPM audio route definition. 465 * 466 * Defines an audio route originating at source via control and finishing 467 * at sink. 468 */ 469 struct snd_soc_dapm_route { 470 const char *sink; 471 const char *control; 472 const char *source; 473 474 /* Note: currently only supported for links where source is a supply */ 475 int (*connected)(struct snd_soc_dapm_widget *source, 476 struct snd_soc_dapm_widget *sink); 477 }; 478 479 /* dapm audio path between two widgets */ 480 struct snd_soc_dapm_path { 481 const char *name; 482 const char *long_name; 483 484 /* source (input) and sink (output) widgets */ 485 struct snd_soc_dapm_widget *source; 486 struct snd_soc_dapm_widget *sink; 487 struct snd_kcontrol *kcontrol; 488 489 /* status */ 490 u32 connect:1; /* source and sink widgets are connected */ 491 u32 walked:1; /* path has been walked */ 492 u32 walking:1; /* path is in the process of being walked */ 493 u32 weak:1; /* path ignored for power management */ 494 495 int (*connected)(struct snd_soc_dapm_widget *source, 496 struct snd_soc_dapm_widget *sink); 497 498 struct list_head list_source; 499 struct list_head list_sink; 500 struct list_head list; 501 }; 502 503 /* dapm widget */ 504 struct snd_soc_dapm_widget { 505 enum snd_soc_dapm_type id; 506 const char *name; /* widget name */ 507 const char *sname; /* stream name */ 508 struct snd_soc_codec *codec; 509 struct snd_soc_platform *platform; 510 struct list_head list; 511 struct snd_soc_dapm_context *dapm; 512 513 void *priv; /* widget specific data */ 514 struct regulator *regulator; /* attached regulator */ 515 const struct snd_soc_pcm_stream *params; /* params for dai links */ 516 517 /* dapm control */ 518 int reg; /* negative reg = no direct dapm */ 519 unsigned char shift; /* bits to shift */ 520 unsigned int value; /* widget current value */ 521 unsigned int mask; /* non-shifted mask */ 522 unsigned int on_val; /* on state value */ 523 unsigned int off_val; /* off state value */ 524 unsigned char power:1; /* block power status */ 525 unsigned char invert:1; /* invert the power bit */ 526 unsigned char active:1; /* active stream on DAC, ADC's */ 527 unsigned char connected:1; /* connected codec pin */ 528 unsigned char new:1; /* cnew complete */ 529 unsigned char ext:1; /* has external widgets */ 530 unsigned char force:1; /* force state */ 531 unsigned char ignore_suspend:1; /* kept enabled over suspend */ 532 unsigned char new_power:1; /* power from this run */ 533 unsigned char power_checked:1; /* power checked this run */ 534 int subseq; /* sort within widget type */ 535 536 int (*power_check)(struct snd_soc_dapm_widget *w); 537 538 /* external events */ 539 unsigned short event_flags; /* flags to specify event types */ 540 int (*event)(struct snd_soc_dapm_widget*, struct snd_kcontrol *, int); 541 542 /* kcontrols that relate to this widget */ 543 int num_kcontrols; 544 const struct snd_kcontrol_new *kcontrol_news; 545 struct snd_kcontrol **kcontrols; 546 547 /* widget input and outputs */ 548 struct list_head sources; 549 struct list_head sinks; 550 551 /* used during DAPM updates */ 552 struct list_head power_list; 553 struct list_head dirty; 554 int inputs; 555 int outputs; 556 557 struct clk *clk; 558 }; 559 560 struct snd_soc_dapm_update { 561 struct snd_soc_dapm_widget *widget; 562 struct snd_kcontrol *kcontrol; 563 int reg; 564 int mask; 565 int val; 566 }; 567 568 /* DAPM context */ 569 struct snd_soc_dapm_context { 570 enum snd_soc_bias_level bias_level; 571 enum snd_soc_bias_level suspend_bias_level; 572 struct delayed_work delayed_work; 573 unsigned int idle_bias_off:1; /* Use BIAS_OFF instead of STANDBY */ 574 575 struct snd_soc_dapm_update *update; 576 577 void (*seq_notifier)(struct snd_soc_dapm_context *, 578 enum snd_soc_dapm_type, int); 579 580 struct device *dev; /* from parent - for debug */ 581 struct snd_soc_codec *codec; /* parent codec */ 582 struct snd_soc_platform *platform; /* parent platform */ 583 struct snd_soc_card *card; /* parent card */ 584 585 /* used during DAPM updates */ 586 enum snd_soc_bias_level target_bias_level; 587 struct list_head list; 588 589 int (*stream_event)(struct snd_soc_dapm_context *dapm, int event); 590 591 #ifdef CONFIG_DEBUG_FS 592 struct dentry *debugfs_dapm; 593 #endif 594 }; 595 596 /* A list of widgets associated with an object, typically a snd_kcontrol */ 597 struct snd_soc_dapm_widget_list { 598 int num_widgets; 599 struct snd_soc_dapm_widget *widgets[0]; 600 }; 601 602 struct snd_soc_dapm_stats { 603 int power_checks; 604 int path_checks; 605 int neighbour_checks; 606 }; 607 608 #endif 609