1 /* SPDX-License-Identifier: GPL-2.0 2 * 3 * linux/sound/soc-dapm.h -- ALSA SoC Dynamic Audio Power Management 4 * 5 * Author: Liam Girdwood 6 * Created: Aug 11th 2005 7 * Copyright: Wolfson Microelectronics. PLC. 8 */ 9 10 #ifndef __LINUX_SND_SOC_DAPM_H 11 #define __LINUX_SND_SOC_DAPM_H 12 13 #include <linux/types.h> 14 #include <sound/control.h> 15 #include <sound/soc-topology.h> 16 #include <sound/asoc.h> 17 18 struct device; 19 struct snd_pcm_substream; 20 struct snd_soc_pcm_runtime; 21 struct soc_enum; 22 23 /* widget has no PM register bit */ 24 #define SND_SOC_NOPM -1 25 26 /* 27 * SoC dynamic audio power management 28 * 29 * We can have up to 4 power domains 30 * 1. Codec domain - VREF, VMID 31 * Usually controlled at codec probe/remove, although can be set 32 * at stream time if power is not needed for sidetone, etc. 33 * 2. Platform/Machine domain - physically connected inputs and outputs 34 * Is platform/machine and user action specific, is set in the machine 35 * driver and by userspace e.g when HP are inserted 36 * 3. Path domain - Internal codec path mixers 37 * Are automatically set when mixer and mux settings are 38 * changed by the user. 39 * 4. Stream domain - DAC's and ADC's. 40 * Enabled when stream playback/capture is started. 41 */ 42 43 /* codec domain */ 44 #define SND_SOC_DAPM_VMID(wname) \ 45 (struct snd_soc_dapm_widget) { \ 46 .id = snd_soc_dapm_vmid, .name = wname, .kcontrol_news = NULL, \ 47 .num_kcontrols = 0} 48 49 /* platform domain */ 50 #define SND_SOC_DAPM_SIGGEN(wname) \ 51 (struct snd_soc_dapm_widget) { \ 52 .id = snd_soc_dapm_siggen, .name = wname, .kcontrol_news = NULL, \ 53 .num_kcontrols = 0, .reg = SND_SOC_NOPM } 54 #define SND_SOC_DAPM_SINK(wname) \ 55 (struct snd_soc_dapm_widget) { \ 56 .id = snd_soc_dapm_sink, .name = wname, .kcontrol_news = NULL, \ 57 .num_kcontrols = 0, .reg = SND_SOC_NOPM } 58 #define SND_SOC_DAPM_INPUT(wname) \ 59 (struct snd_soc_dapm_widget) { \ 60 .id = snd_soc_dapm_input, .name = wname, .kcontrol_news = NULL, \ 61 .num_kcontrols = 0, .reg = SND_SOC_NOPM } 62 #define SND_SOC_DAPM_OUTPUT(wname) \ 63 (struct snd_soc_dapm_widget) { \ 64 .id = snd_soc_dapm_output, .name = wname, .kcontrol_news = NULL, \ 65 .num_kcontrols = 0, .reg = SND_SOC_NOPM } 66 #define SND_SOC_DAPM_MIC(wname, wevent) \ 67 (struct snd_soc_dapm_widget) { \ 68 .id = snd_soc_dapm_mic, .name = wname, .kcontrol_news = NULL, \ 69 .num_kcontrols = 0, .reg = SND_SOC_NOPM, .event = wevent, \ 70 .event_flags = SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD} 71 #define SND_SOC_DAPM_HP(wname, wevent) \ 72 (struct snd_soc_dapm_widget) { \ 73 .id = snd_soc_dapm_hp, .name = wname, .kcontrol_news = NULL, \ 74 .num_kcontrols = 0, .reg = SND_SOC_NOPM, .event = wevent, \ 75 .event_flags = SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD} 76 #define SND_SOC_DAPM_SPK(wname, wevent) \ 77 (struct snd_soc_dapm_widget) { \ 78 .id = snd_soc_dapm_spk, .name = wname, .kcontrol_news = NULL, \ 79 .num_kcontrols = 0, .reg = SND_SOC_NOPM, .event = wevent, \ 80 .event_flags = SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD} 81 #define SND_SOC_DAPM_LINE(wname, wevent) \ 82 (struct snd_soc_dapm_widget) { \ 83 .id = snd_soc_dapm_line, .name = wname, .kcontrol_news = NULL, \ 84 .num_kcontrols = 0, .reg = SND_SOC_NOPM, .event = wevent, \ 85 .event_flags = SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD} 86 87 #define SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert) \ 88 .reg = wreg, .mask = 1, .shift = wshift, \ 89 .on_val = winvert ? 0 : 1, .off_val = winvert ? 1 : 0 90 91 /* path domain */ 92 #define SND_SOC_DAPM_PGA(wname, wreg, wshift, winvert,\ 93 wcontrols, wncontrols) \ 94 (struct snd_soc_dapm_widget) { \ 95 .id = snd_soc_dapm_pga, .name = wname, \ 96 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ 97 .kcontrol_news = wcontrols, .num_kcontrols = wncontrols} 98 #define SND_SOC_DAPM_OUT_DRV(wname, wreg, wshift, winvert,\ 99 wcontrols, wncontrols) \ 100 (struct snd_soc_dapm_widget) { \ 101 .id = snd_soc_dapm_out_drv, .name = wname, \ 102 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ 103 .kcontrol_news = wcontrols, .num_kcontrols = wncontrols} 104 #define SND_SOC_DAPM_MIXER(wname, wreg, wshift, winvert, \ 105 wcontrols, wncontrols)\ 106 (struct snd_soc_dapm_widget) { \ 107 .id = snd_soc_dapm_mixer, .name = wname, \ 108 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ 109 .kcontrol_news = wcontrols, .num_kcontrols = wncontrols} 110 #define SND_SOC_DAPM_MIXER_NAMED_CTL(wname, wreg, wshift, winvert, \ 111 wcontrols, wncontrols)\ 112 (struct snd_soc_dapm_widget) { \ 113 .id = snd_soc_dapm_mixer_named_ctl, .name = wname, \ 114 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ 115 .kcontrol_news = wcontrols, .num_kcontrols = wncontrols} 116 /* DEPRECATED: use SND_SOC_DAPM_SUPPLY */ 117 #define SND_SOC_DAPM_MICBIAS(wname, wreg, wshift, winvert) \ 118 (struct snd_soc_dapm_widget) { \ 119 .id = snd_soc_dapm_micbias, .name = wname, \ 120 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ 121 .kcontrol_news = NULL, .num_kcontrols = 0} 122 #define SND_SOC_DAPM_SWITCH(wname, wreg, wshift, winvert, wcontrols) \ 123 (struct snd_soc_dapm_widget) { \ 124 .id = snd_soc_dapm_switch, .name = wname, \ 125 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ 126 .kcontrol_news = wcontrols, .num_kcontrols = 1} 127 #define SND_SOC_DAPM_MUX(wname, wreg, wshift, winvert, wcontrols) \ 128 (struct snd_soc_dapm_widget) { \ 129 .id = snd_soc_dapm_mux, .name = wname, \ 130 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ 131 .kcontrol_news = wcontrols, .num_kcontrols = 1} 132 #define SND_SOC_DAPM_DEMUX(wname, wreg, wshift, winvert, wcontrols) \ 133 (struct snd_soc_dapm_widget) { \ 134 .id = snd_soc_dapm_demux, .name = wname, \ 135 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ 136 .kcontrol_news = wcontrols, .num_kcontrols = 1} 137 138 /* Simplified versions of above macros, assuming wncontrols = ARRAY_SIZE(wcontrols) */ 139 #define SOC_PGA_ARRAY(wname, wreg, wshift, winvert,\ 140 wcontrols) \ 141 (struct snd_soc_dapm_widget) { \ 142 .id = snd_soc_dapm_pga, .name = wname, \ 143 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ 144 .kcontrol_news = wcontrols, .num_kcontrols = ARRAY_SIZE(wcontrols)} 145 #define SOC_MIXER_ARRAY(wname, wreg, wshift, winvert, \ 146 wcontrols)\ 147 (struct snd_soc_dapm_widget) { \ 148 .id = snd_soc_dapm_mixer, .name = wname, \ 149 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ 150 .kcontrol_news = wcontrols, .num_kcontrols = ARRAY_SIZE(wcontrols)} 151 #define SOC_MIXER_NAMED_CTL_ARRAY(wname, wreg, wshift, winvert, \ 152 wcontrols)\ 153 (struct snd_soc_dapm_widget) { \ 154 .id = snd_soc_dapm_mixer_named_ctl, .name = wname, \ 155 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ 156 .kcontrol_news = wcontrols, .num_kcontrols = ARRAY_SIZE(wcontrols)} 157 158 /* path domain with event - event handler must return 0 for success */ 159 #define SND_SOC_DAPM_PGA_E(wname, wreg, wshift, winvert, wcontrols, \ 160 wncontrols, wevent, wflags) \ 161 (struct snd_soc_dapm_widget) { \ 162 .id = snd_soc_dapm_pga, .name = wname, \ 163 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ 164 .kcontrol_news = wcontrols, .num_kcontrols = wncontrols, \ 165 .event = wevent, .event_flags = wflags} 166 #define SND_SOC_DAPM_OUT_DRV_E(wname, wreg, wshift, winvert, wcontrols, \ 167 wncontrols, wevent, wflags) \ 168 (struct snd_soc_dapm_widget) { \ 169 .id = snd_soc_dapm_out_drv, .name = wname, \ 170 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ 171 .kcontrol_news = wcontrols, .num_kcontrols = wncontrols, \ 172 .event = wevent, .event_flags = wflags} 173 #define SND_SOC_DAPM_MIXER_E(wname, wreg, wshift, winvert, wcontrols, \ 174 wncontrols, wevent, wflags) \ 175 (struct snd_soc_dapm_widget) { \ 176 .id = snd_soc_dapm_mixer, .name = wname, \ 177 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ 178 .kcontrol_news = wcontrols, .num_kcontrols = wncontrols, \ 179 .event = wevent, .event_flags = wflags} 180 #define SND_SOC_DAPM_MIXER_NAMED_CTL_E(wname, wreg, wshift, winvert, \ 181 wcontrols, wncontrols, wevent, wflags) \ 182 (struct snd_soc_dapm_widget) { \ 183 .id = snd_soc_dapm_mixer, .name = wname, \ 184 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ 185 .kcontrol_news = wcontrols, \ 186 .num_kcontrols = wncontrols, .event = wevent, .event_flags = wflags} 187 #define SND_SOC_DAPM_SWITCH_E(wname, wreg, wshift, winvert, wcontrols, \ 188 wevent, wflags) \ 189 (struct snd_soc_dapm_widget) { \ 190 .id = snd_soc_dapm_switch, .name = wname, \ 191 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ 192 .kcontrol_news = wcontrols, .num_kcontrols = 1, \ 193 .event = wevent, .event_flags = wflags} 194 #define SND_SOC_DAPM_MUX_E(wname, wreg, wshift, winvert, wcontrols, \ 195 wevent, wflags) \ 196 (struct snd_soc_dapm_widget) { \ 197 .id = snd_soc_dapm_mux, .name = wname, \ 198 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ 199 .kcontrol_news = wcontrols, .num_kcontrols = 1, \ 200 .event = wevent, .event_flags = wflags} 201 202 /* additional sequencing control within an event type */ 203 #define SND_SOC_DAPM_PGA_S(wname, wsubseq, wreg, wshift, winvert, \ 204 wevent, wflags) \ 205 (struct snd_soc_dapm_widget) { \ 206 .id = snd_soc_dapm_pga, .name = wname, \ 207 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ 208 .event = wevent, .event_flags = wflags, \ 209 .subseq = wsubseq} 210 #define SND_SOC_DAPM_SUPPLY_S(wname, wsubseq, wreg, wshift, winvert, wevent, \ 211 wflags) \ 212 (struct snd_soc_dapm_widget) { \ 213 .id = snd_soc_dapm_supply, .name = wname, \ 214 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ 215 .event = wevent, .event_flags = wflags, .subseq = wsubseq} 216 217 /* Simplified versions of above macros, assuming wncontrols = ARRAY_SIZE(wcontrols) */ 218 #define SOC_PGA_E_ARRAY(wname, wreg, wshift, winvert, wcontrols, \ 219 wevent, wflags) \ 220 (struct snd_soc_dapm_widget) { \ 221 .id = snd_soc_dapm_pga, .name = wname, \ 222 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ 223 .kcontrol_news = wcontrols, .num_kcontrols = ARRAY_SIZE(wcontrols), \ 224 .event = wevent, .event_flags = wflags} 225 #define SOC_MIXER_E_ARRAY(wname, wreg, wshift, winvert, wcontrols, \ 226 wevent, wflags) \ 227 (struct snd_soc_dapm_widget) { \ 228 .id = snd_soc_dapm_mixer, .name = wname, \ 229 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ 230 .kcontrol_news = wcontrols, .num_kcontrols = ARRAY_SIZE(wcontrols), \ 231 .event = wevent, .event_flags = wflags} 232 #define SOC_MIXER_NAMED_CTL_E_ARRAY(wname, wreg, wshift, winvert, \ 233 wcontrols, wevent, wflags) \ 234 (struct snd_soc_dapm_widget) { \ 235 .id = snd_soc_dapm_mixer, .name = wname, \ 236 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ 237 .kcontrol_news = wcontrols, .num_kcontrols = ARRAY_SIZE(wcontrols), \ 238 .event = wevent, .event_flags = wflags} 239 240 /* events that are pre and post DAPM */ 241 #define SND_SOC_DAPM_PRE(wname, wevent) \ 242 (struct snd_soc_dapm_widget) { \ 243 .id = snd_soc_dapm_pre, .name = wname, .kcontrol_news = NULL, \ 244 .num_kcontrols = 0, .reg = SND_SOC_NOPM, .event = wevent, \ 245 .event_flags = SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD} 246 #define SND_SOC_DAPM_POST(wname, wevent) \ 247 (struct snd_soc_dapm_widget) { \ 248 .id = snd_soc_dapm_post, .name = wname, .kcontrol_news = NULL, \ 249 .num_kcontrols = 0, .reg = SND_SOC_NOPM, .event = wevent, \ 250 .event_flags = SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD} 251 252 /* stream domain */ 253 #define SND_SOC_DAPM_AIF_IN(wname, stname, wchan, wreg, wshift, winvert) \ 254 (struct snd_soc_dapm_widget) { \ 255 .id = snd_soc_dapm_aif_in, .name = wname, .sname = stname, \ 256 .channel = wchan, SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), } 257 #define SND_SOC_DAPM_AIF_IN_E(wname, stname, wchan, wreg, wshift, winvert, \ 258 wevent, wflags) \ 259 (struct snd_soc_dapm_widget) { \ 260 .id = snd_soc_dapm_aif_in, .name = wname, .sname = stname, \ 261 .channel = wchan, SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ 262 .event = wevent, .event_flags = wflags } 263 #define SND_SOC_DAPM_AIF_OUT(wname, stname, wchan, wreg, wshift, winvert) \ 264 (struct snd_soc_dapm_widget) { \ 265 .id = snd_soc_dapm_aif_out, .name = wname, .sname = stname, \ 266 .channel = wchan, SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), } 267 #define SND_SOC_DAPM_AIF_OUT_E(wname, stname, wchan, wreg, wshift, winvert, \ 268 wevent, wflags) \ 269 (struct snd_soc_dapm_widget) { \ 270 .id = snd_soc_dapm_aif_out, .name = wname, .sname = stname, \ 271 .channel = wchan, SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ 272 .event = wevent, .event_flags = wflags } 273 #define SND_SOC_DAPM_DAC(wname, stname, wreg, wshift, winvert) \ 274 (struct snd_soc_dapm_widget) { \ 275 .id = snd_soc_dapm_dac, .name = wname, .sname = stname, \ 276 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert) } 277 #define SND_SOC_DAPM_DAC_E(wname, stname, wreg, wshift, winvert, \ 278 wevent, wflags) \ 279 (struct snd_soc_dapm_widget) { \ 280 .id = snd_soc_dapm_dac, .name = wname, .sname = stname, \ 281 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ 282 .event = wevent, .event_flags = wflags} 283 284 #define SND_SOC_DAPM_ADC(wname, stname, wreg, wshift, winvert) \ 285 (struct snd_soc_dapm_widget) { \ 286 .id = snd_soc_dapm_adc, .name = wname, .sname = stname, \ 287 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), } 288 #define SND_SOC_DAPM_ADC_E(wname, stname, wreg, wshift, winvert, \ 289 wevent, wflags) \ 290 (struct snd_soc_dapm_widget) { \ 291 .id = snd_soc_dapm_adc, .name = wname, .sname = stname, \ 292 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ 293 .event = wevent, .event_flags = wflags} 294 #define SND_SOC_DAPM_CLOCK_SUPPLY(wname) \ 295 (struct snd_soc_dapm_widget) { \ 296 .id = snd_soc_dapm_clock_supply, .name = wname, \ 297 .reg = SND_SOC_NOPM, .event = dapm_clock_event, \ 298 .event_flags = SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD } 299 300 /* generic widgets */ 301 #define SND_SOC_DAPM_REG(wid, wname, wreg, wshift, wmask, won_val, woff_val) \ 302 (struct snd_soc_dapm_widget) { \ 303 .id = wid, .name = wname, .kcontrol_news = NULL, .num_kcontrols = 0, \ 304 .reg = wreg, .shift = wshift, .mask = wmask, \ 305 .on_val = won_val, .off_val = woff_val, } 306 #define SND_SOC_DAPM_SUPPLY(wname, wreg, wshift, winvert, wevent, wflags) \ 307 (struct snd_soc_dapm_widget) { \ 308 .id = snd_soc_dapm_supply, .name = wname, \ 309 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ 310 .event = wevent, .event_flags = wflags} 311 #define SND_SOC_DAPM_REGULATOR_SUPPLY(wname, wdelay, wflags) \ 312 (struct snd_soc_dapm_widget) { \ 313 .id = snd_soc_dapm_regulator_supply, .name = wname, \ 314 .reg = SND_SOC_NOPM, .shift = wdelay, .event = dapm_regulator_event, \ 315 .event_flags = SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD, \ 316 .on_val = wflags} 317 #define SND_SOC_DAPM_PINCTRL(wname, active, sleep) \ 318 (struct snd_soc_dapm_widget) { \ 319 .id = snd_soc_dapm_pinctrl, .name = wname, \ 320 .priv = (&(struct snd_soc_dapm_pinctrl_priv) \ 321 { .active_state = active, .sleep_state = sleep,}), \ 322 .reg = SND_SOC_NOPM, .event = dapm_pinctrl_event, \ 323 .event_flags = SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD } 324 325 326 327 /* dapm kcontrol types */ 328 #define SOC_DAPM_DOUBLE(xname, reg, lshift, rshift, max, invert) \ 329 SOC_DOUBLE_EXT(xname, reg, lshift, rshift, max, invert, \ 330 snd_soc_dapm_get_volsw, snd_soc_dapm_put_volsw) 331 #define SOC_DAPM_DOUBLE_R(xname, lreg, rreg, shift, max, invert) \ 332 SOC_DOUBLE_R_EXT(xname, lreg, rreg, shift, max, invert, \ 333 snd_soc_dapm_get_volsw, snd_soc_dapm_put_volsw) 334 #define SOC_DAPM_SINGLE(xname, reg, shift, max, invert) \ 335 SOC_SINGLE_EXT(xname, reg, shift, max, invert, \ 336 snd_soc_dapm_get_volsw, snd_soc_dapm_put_volsw) 337 #define SOC_DAPM_SINGLE_VIRT(xname, max) \ 338 SOC_DAPM_SINGLE(xname, SND_SOC_NOPM, 0, max, 0) 339 #define SOC_DAPM_DOUBLE_R_TLV(xname, lreg, rreg, shift, max, invert, tlv_array) \ 340 SOC_DOUBLE_R_EXT_TLV(xname, lreg, rreg, shift, max, invert, \ 341 snd_soc_dapm_get_volsw, snd_soc_dapm_put_volsw, \ 342 tlv_array) 343 #define SOC_DAPM_SINGLE_TLV(xname, reg, shift, max, invert, tlv_array) \ 344 SOC_SINGLE_EXT_TLV(xname, reg, shift, max, invert, \ 345 snd_soc_dapm_get_volsw, snd_soc_dapm_put_volsw, \ 346 tlv_array) 347 #define SOC_DAPM_SINGLE_TLV_VIRT(xname, max, tlv_array) \ 348 SOC_DAPM_SINGLE(xname, SND_SOC_NOPM, 0, max, 0, tlv_array) 349 #define SOC_DAPM_ENUM(xname, xenum) \ 350 SOC_ENUM_EXT(xname, xenum, snd_soc_dapm_get_enum_double, \ 351 snd_soc_dapm_put_enum_double) 352 #define SOC_DAPM_ENUM_EXT(xname, xenum, xget, xput) \ 353 SOC_ENUM_EXT(xname, xenum, xget, xput) 354 355 #define SOC_DAPM_SINGLE_AUTODISABLE(xname, reg, shift, max, invert) \ 356 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 357 .info = snd_soc_info_volsw, \ 358 .get = snd_soc_dapm_get_volsw, .put = snd_soc_dapm_put_volsw, \ 359 .private_value = SOC_SINGLE_VALUE(reg, shift, 0, max, invert, 1) } 360 #define SOC_DAPM_SINGLE_TLV_AUTODISABLE(xname, reg, shift, max, invert, tlv_array) \ 361 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 362 .info = snd_soc_info_volsw, \ 363 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | SNDRV_CTL_ELEM_ACCESS_READWRITE,\ 364 .tlv.p = (tlv_array), \ 365 .get = snd_soc_dapm_get_volsw, .put = snd_soc_dapm_put_volsw, \ 366 .private_value = SOC_SINGLE_VALUE(reg, shift, 0, max, invert, 1) } 367 #define SOC_DAPM_PIN_SWITCH(xname) \ 368 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname " Switch", \ 369 .info = snd_soc_dapm_info_pin_switch, \ 370 .get = snd_soc_dapm_get_pin_switch, \ 371 .put = snd_soc_dapm_put_pin_switch, \ 372 .private_value = (unsigned long)xname } 373 374 /* dapm stream operations */ 375 #define SND_SOC_DAPM_STREAM_NOP 0x0 376 #define SND_SOC_DAPM_STREAM_START 0x1 377 #define SND_SOC_DAPM_STREAM_STOP 0x2 378 #define SND_SOC_DAPM_STREAM_SUSPEND 0x4 379 #define SND_SOC_DAPM_STREAM_RESUME 0x8 380 #define SND_SOC_DAPM_STREAM_PAUSE_PUSH 0x10 381 #define SND_SOC_DAPM_STREAM_PAUSE_RELEASE 0x20 382 383 /* dapm event types */ 384 #define SND_SOC_DAPM_PRE_PMU 0x1 /* before widget power up */ 385 #define SND_SOC_DAPM_POST_PMU 0x2 /* after widget power up */ 386 #define SND_SOC_DAPM_PRE_PMD 0x4 /* before widget power down */ 387 #define SND_SOC_DAPM_POST_PMD 0x8 /* after widget power down */ 388 #define SND_SOC_DAPM_PRE_REG 0x10 /* before audio path setup */ 389 #define SND_SOC_DAPM_POST_REG 0x20 /* after audio path setup */ 390 #define SND_SOC_DAPM_WILL_PMU 0x40 /* called at start of sequence */ 391 #define SND_SOC_DAPM_WILL_PMD 0x80 /* called at start of sequence */ 392 #define SND_SOC_DAPM_PRE_POST_PMD (SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD) 393 #define SND_SOC_DAPM_PRE_POST_PMU (SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU) 394 395 /* convenience event type detection */ 396 #define SND_SOC_DAPM_EVENT_ON(e) (e & (SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU)) 397 #define SND_SOC_DAPM_EVENT_OFF(e) (e & (SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD)) 398 399 /* regulator widget flags */ 400 #define SND_SOC_DAPM_REGULATOR_BYPASS 0x1 /* bypass when disabled */ 401 402 struct snd_soc_dapm_widget; 403 enum snd_soc_dapm_type; 404 struct snd_soc_dapm_path; 405 struct snd_soc_dapm_pin; 406 struct snd_soc_dapm_route; 407 struct snd_soc_dapm_context; 408 struct regulator; 409 struct snd_soc_dapm_widget_list; 410 struct snd_soc_dapm_update; 411 enum snd_soc_dapm_direction; 412 413 /* 414 * Bias levels 415 * 416 * @ON: Bias is fully on for audio playback and capture operations. 417 * @PREPARE: Prepare for audio operations. Called before DAPM switching for 418 * stream start and stop operations. 419 * @STANDBY: Low power standby state when no playback/capture operations are 420 * in progress. NOTE: The transition time between STANDBY and ON 421 * should be as fast as possible and no longer than 10ms. 422 * @OFF: Power Off. No restrictions on transition times. 423 */ 424 enum snd_soc_bias_level { 425 SND_SOC_BIAS_OFF = 0, 426 SND_SOC_BIAS_STANDBY = 1, 427 SND_SOC_BIAS_PREPARE = 2, 428 SND_SOC_BIAS_ON = 3, 429 }; 430 431 int dapm_regulator_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event); 432 int dapm_clock_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event); 433 int dapm_pinctrl_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event); 434 435 /* dapm controls */ 436 int snd_soc_dapm_put_volsw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol); 437 int snd_soc_dapm_get_volsw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol); 438 int snd_soc_dapm_get_enum_double(struct snd_kcontrol *kcontrol, 439 struct snd_ctl_elem_value *ucontrol); 440 int snd_soc_dapm_put_enum_double(struct snd_kcontrol *kcontrol, 441 struct snd_ctl_elem_value *ucontrol); 442 int snd_soc_dapm_info_pin_switch(struct snd_kcontrol *kcontrol, 443 struct snd_ctl_elem_info *uinfo); 444 int snd_soc_dapm_get_pin_switch(struct snd_kcontrol *kcontrol, 445 struct snd_ctl_elem_value *uncontrol); 446 int snd_soc_dapm_put_pin_switch(struct snd_kcontrol *kcontrol, 447 struct snd_ctl_elem_value *uncontrol); 448 int snd_soc_dapm_get_component_pin_switch(struct snd_kcontrol *kcontrol, 449 struct snd_ctl_elem_value *uncontrol); 450 int snd_soc_dapm_put_component_pin_switch(struct snd_kcontrol *kcontrol, 451 struct snd_ctl_elem_value *uncontrol); 452 int snd_soc_dapm_new_controls(struct snd_soc_dapm_context *dapm, 453 const struct snd_soc_dapm_widget *widget, unsigned int num); 454 struct snd_soc_dapm_widget *snd_soc_dapm_new_control(struct snd_soc_dapm_context *dapm, 455 const struct snd_soc_dapm_widget *widget); 456 struct snd_soc_dapm_widget *snd_soc_dapm_new_control_unlocked(struct snd_soc_dapm_context *dapm, 457 const struct snd_soc_dapm_widget *widget); 458 int snd_soc_dapm_new_dai_widgets(struct snd_soc_dapm_context *dapm, struct snd_soc_dai *dai); 459 void snd_soc_dapm_free_widget(struct snd_soc_dapm_widget *w); 460 int snd_soc_dapm_link_dai_widgets(struct snd_soc_card *card); 461 void snd_soc_dapm_connect_dai_link_widgets(struct snd_soc_card *card); 462 463 int snd_soc_dapm_update_dai(struct snd_pcm_substream *substream, 464 struct snd_pcm_hw_params *params, struct snd_soc_dai *dai); 465 int snd_soc_dapm_widget_name_cmp(struct snd_soc_dapm_widget *widget, const char *s); 466 467 /* dapm path setup */ 468 int snd_soc_dapm_new_widgets(struct snd_soc_card *card); 469 void snd_soc_dapm_free(struct snd_soc_dapm_context *dapm); 470 void snd_soc_dapm_init(struct snd_soc_dapm_context *dapm, 471 struct snd_soc_card *card, struct snd_soc_component *component); 472 int snd_soc_dapm_add_routes(struct snd_soc_dapm_context *dapm, 473 const struct snd_soc_dapm_route *route, int num); 474 int snd_soc_dapm_del_routes(struct snd_soc_dapm_context *dapm, 475 const struct snd_soc_dapm_route *route, int num); 476 int snd_soc_dapm_weak_routes(struct snd_soc_dapm_context *dapm, 477 const struct snd_soc_dapm_route *route, int num); 478 void snd_soc_dapm_free_widget(struct snd_soc_dapm_widget *w); 479 480 /* dapm events */ 481 void snd_soc_dapm_stream_event(struct snd_soc_pcm_runtime *rtd, int stream, int event); 482 void snd_soc_dapm_stream_stop(struct snd_soc_pcm_runtime *rtd, int stream); 483 void snd_soc_dapm_shutdown(struct snd_soc_card *card); 484 485 /* external DAPM widget events */ 486 int snd_soc_dapm_mixer_update_power(struct snd_soc_dapm_context *dapm, 487 struct snd_kcontrol *kcontrol, int connect, struct snd_soc_dapm_update *update); 488 int snd_soc_dapm_mux_update_power(struct snd_soc_dapm_context *dapm, 489 struct snd_kcontrol *kcontrol, int mux, struct soc_enum *e, 490 struct snd_soc_dapm_update *update); 491 492 /* dapm sys fs - used by the core */ 493 extern struct attribute *soc_dapm_dev_attrs[]; 494 void snd_soc_dapm_debugfs_init(struct snd_soc_dapm_context *dapm, struct dentry *parent); 495 496 /* dapm audio pin control and status */ 497 int snd_soc_dapm_enable_pin(struct snd_soc_dapm_context *dapm, const char *pin); 498 int snd_soc_dapm_enable_pin_unlocked(struct snd_soc_dapm_context *dapm, const char *pin); 499 int snd_soc_dapm_disable_pin(struct snd_soc_dapm_context *dapm, const char *pin); 500 int snd_soc_dapm_disable_pin_unlocked(struct snd_soc_dapm_context *dapm, const char *pin); 501 int snd_soc_dapm_nc_pin(struct snd_soc_dapm_context *dapm, const char *pin); 502 int snd_soc_dapm_nc_pin_unlocked(struct snd_soc_dapm_context *dapm, const char *pin); 503 int snd_soc_dapm_get_pin_status(struct snd_soc_dapm_context *dapm, const char *pin); 504 int snd_soc_dapm_sync(struct snd_soc_dapm_context *dapm); 505 int snd_soc_dapm_sync_unlocked(struct snd_soc_dapm_context *dapm); 506 int snd_soc_dapm_force_enable_pin(struct snd_soc_dapm_context *dapm, const char *pin); 507 int snd_soc_dapm_force_enable_pin_unlocked(struct snd_soc_dapm_context *dapm, const char *pin); 508 int snd_soc_dapm_ignore_suspend(struct snd_soc_dapm_context *dapm, const char *pin); 509 unsigned int dapm_kcontrol_get_value(const struct snd_kcontrol *kcontrol); 510 void dapm_mark_endpoints_dirty(struct snd_soc_card *card); 511 512 /* dapm path query */ 513 int snd_soc_dapm_dai_get_connected_widgets(struct snd_soc_dai *dai, int stream, 514 struct snd_soc_dapm_widget_list **list, 515 bool (*custom_stop_condition)(struct snd_soc_dapm_widget *, enum snd_soc_dapm_direction)); 516 void snd_soc_dapm_dai_free_widgets(struct snd_soc_dapm_widget_list **list); 517 518 struct snd_soc_dapm_context *snd_soc_dapm_kcontrol_dapm(struct snd_kcontrol *kcontrol); 519 struct snd_soc_dapm_widget *snd_soc_dapm_kcontrol_widget(struct snd_kcontrol *kcontrol); 520 521 int snd_soc_dapm_force_bias_level(struct snd_soc_dapm_context *dapm, enum snd_soc_bias_level level); 522 523 /* dapm widget types */ 524 enum snd_soc_dapm_type { 525 snd_soc_dapm_input = 0, /* input pin */ 526 snd_soc_dapm_output, /* output pin */ 527 snd_soc_dapm_mux, /* selects 1 analog signal from many inputs */ 528 snd_soc_dapm_demux, /* connects the input to one of multiple outputs */ 529 snd_soc_dapm_mixer, /* mixes several analog signals together */ 530 snd_soc_dapm_mixer_named_ctl, /* mixer with named controls */ 531 snd_soc_dapm_pga, /* programmable gain/attenuation (volume) */ 532 snd_soc_dapm_out_drv, /* output driver */ 533 snd_soc_dapm_adc, /* analog to digital converter */ 534 snd_soc_dapm_dac, /* digital to analog converter */ 535 snd_soc_dapm_micbias, /* microphone bias (power) - DEPRECATED: use snd_soc_dapm_supply */ 536 snd_soc_dapm_mic, /* microphone */ 537 snd_soc_dapm_hp, /* headphones */ 538 snd_soc_dapm_spk, /* speaker */ 539 snd_soc_dapm_line, /* line input/output */ 540 snd_soc_dapm_switch, /* analog switch */ 541 snd_soc_dapm_vmid, /* codec bias/vmid - to minimise pops */ 542 snd_soc_dapm_pre, /* machine specific pre widget - exec first */ 543 snd_soc_dapm_post, /* machine specific post widget - exec last */ 544 snd_soc_dapm_supply, /* power/clock supply */ 545 snd_soc_dapm_pinctrl, /* pinctrl */ 546 snd_soc_dapm_regulator_supply, /* external regulator */ 547 snd_soc_dapm_clock_supply, /* external clock */ 548 snd_soc_dapm_aif_in, /* audio interface input */ 549 snd_soc_dapm_aif_out, /* audio interface output */ 550 snd_soc_dapm_siggen, /* signal generator */ 551 snd_soc_dapm_sink, 552 snd_soc_dapm_dai_in, /* link to DAI structure */ 553 snd_soc_dapm_dai_out, 554 snd_soc_dapm_dai_link, /* link between two DAI structures */ 555 snd_soc_dapm_kcontrol, /* Auto-disabled kcontrol */ 556 snd_soc_dapm_buffer, /* DSP/CODEC internal buffer */ 557 snd_soc_dapm_scheduler, /* DSP/CODEC internal scheduler */ 558 snd_soc_dapm_effect, /* DSP/CODEC effect component */ 559 snd_soc_dapm_src, /* DSP/CODEC SRC component */ 560 snd_soc_dapm_asrc, /* DSP/CODEC ASRC component */ 561 snd_soc_dapm_encoder, /* FW/SW audio encoder component */ 562 snd_soc_dapm_decoder, /* FW/SW audio decoder component */ 563 564 /* Don't edit below this line */ 565 SND_SOC_DAPM_TYPE_COUNT 566 }; 567 568 /* 569 * DAPM audio route definition. 570 * 571 * Defines an audio route originating at source via control and finishing 572 * at sink. 573 */ 574 struct snd_soc_dapm_route { 575 const char *sink; 576 const char *control; 577 const char *source; 578 579 /* Note: currently only supported for links where source is a supply */ 580 int (*connected)(struct snd_soc_dapm_widget *source, 581 struct snd_soc_dapm_widget *sink); 582 583 struct snd_soc_dobj dobj; 584 }; 585 586 /* dapm audio path between two widgets */ 587 struct snd_soc_dapm_path { 588 const char *name; 589 590 /* 591 * source (input) and sink (output) widgets 592 * The union is for convience, since it is a lot nicer to type 593 * p->source, rather than p->node[SND_SOC_DAPM_DIR_IN] 594 */ 595 union { 596 struct { 597 struct snd_soc_dapm_widget *source; 598 struct snd_soc_dapm_widget *sink; 599 }; 600 struct snd_soc_dapm_widget *node[2]; 601 }; 602 603 /* status */ 604 u32 connect:1; /* source and sink widgets are connected */ 605 u32 walking:1; /* path is in the process of being walked */ 606 u32 weak:1; /* path ignored for power management */ 607 u32 is_supply:1; /* At least one of the connected widgets is a supply */ 608 609 int (*connected)(struct snd_soc_dapm_widget *source, 610 struct snd_soc_dapm_widget *sink); 611 612 struct list_head list_node[2]; 613 struct list_head list_kcontrol; 614 struct list_head list; 615 }; 616 617 /* dapm widget */ 618 struct snd_soc_dapm_widget { 619 enum snd_soc_dapm_type id; 620 const char *name; /* widget name */ 621 const char *sname; /* stream name */ 622 struct list_head list; 623 struct snd_soc_dapm_context *dapm; 624 625 void *priv; /* widget specific data */ 626 struct regulator *regulator; /* attached regulator */ 627 struct pinctrl *pinctrl; /* attached pinctrl */ 628 629 /* dapm control */ 630 int reg; /* negative reg = no direct dapm */ 631 unsigned char shift; /* bits to shift */ 632 unsigned int mask; /* non-shifted mask */ 633 unsigned int on_val; /* on state value */ 634 unsigned int off_val; /* off state value */ 635 unsigned char power:1; /* block power status */ 636 unsigned char active:1; /* active stream on DAC, ADC's */ 637 unsigned char connected:1; /* connected codec pin */ 638 unsigned char new:1; /* cnew complete */ 639 unsigned char force:1; /* force state */ 640 unsigned char ignore_suspend:1; /* kept enabled over suspend */ 641 unsigned char new_power:1; /* power from this run */ 642 unsigned char power_checked:1; /* power checked this run */ 643 unsigned char is_supply:1; /* Widget is a supply type widget */ 644 unsigned char is_ep:2; /* Widget is a endpoint type widget */ 645 unsigned char no_wname_in_kcontrol_name:1; /* No widget name prefix in kcontrol name */ 646 int subseq; /* sort within widget type */ 647 648 int (*power_check)(struct snd_soc_dapm_widget *w); 649 650 /* external events */ 651 unsigned short event_flags; /* flags to specify event types */ 652 int (*event)(struct snd_soc_dapm_widget*, struct snd_kcontrol *, int); 653 654 /* kcontrols that relate to this widget */ 655 int num_kcontrols; 656 const struct snd_kcontrol_new *kcontrol_news; 657 struct snd_kcontrol **kcontrols; 658 struct snd_soc_dobj dobj; 659 660 /* widget input and output edges */ 661 struct list_head edges[2]; 662 663 /* used during DAPM updates */ 664 struct list_head work_list; 665 struct list_head power_list; 666 struct list_head dirty; 667 int endpoints[2]; 668 669 struct clk *clk; 670 671 int channel; 672 }; 673 674 struct snd_soc_dapm_update { 675 struct snd_kcontrol *kcontrol; 676 int reg; 677 int mask; 678 int val; 679 int reg2; 680 int mask2; 681 int val2; 682 bool has_second_set; 683 }; 684 685 /* DAPM context */ 686 struct snd_soc_dapm_context { 687 enum snd_soc_bias_level bias_level; 688 689 /* bit field */ 690 unsigned int idle_bias_off:1; /* Use BIAS_OFF instead of STANDBY */ 691 unsigned int suspend_bias_off:1; /* Use BIAS_OFF in suspend if the DAPM is idle */ 692 693 struct device *dev; /* from parent - for debug */ 694 struct snd_soc_component *component; /* parent component */ 695 struct snd_soc_card *card; /* parent card */ 696 697 /* used during DAPM updates */ 698 enum snd_soc_bias_level target_bias_level; 699 struct list_head list; 700 701 struct snd_soc_dapm_widget *wcache_sink; 702 struct snd_soc_dapm_widget *wcache_source; 703 704 #ifdef CONFIG_DEBUG_FS 705 struct dentry *debugfs_dapm; 706 #endif 707 }; 708 709 /* A list of widgets associated with an object, typically a snd_kcontrol */ 710 struct snd_soc_dapm_widget_list { 711 int num_widgets; 712 struct snd_soc_dapm_widget *widgets[] __counted_by(num_widgets); 713 }; 714 715 #define for_each_dapm_widgets(list, i, widget) \ 716 for ((i) = 0; \ 717 (i) < list->num_widgets && (widget = list->widgets[i]); \ 718 (i)++) 719 720 struct snd_soc_dapm_stats { 721 int power_checks; 722 int path_checks; 723 int neighbour_checks; 724 }; 725 726 struct snd_soc_dapm_pinctrl_priv { 727 const char *active_state; 728 const char *sleep_state; 729 }; 730 731 /** 732 * snd_soc_dapm_init_bias_level() - Initialize DAPM bias level 733 * @dapm: The DAPM context to initialize 734 * @level: The DAPM level to initialize to 735 * 736 * This function only sets the driver internal state of the DAPM level and will 737 * not modify the state of the device. Hence it should not be used during normal 738 * operation, but only to synchronize the internal state to the device state. 739 * E.g. during driver probe to set the DAPM level to the one corresponding with 740 * the power-on reset state of the device. 741 * 742 * To change the DAPM state of the device use snd_soc_dapm_set_bias_level(). 743 */ 744 static inline void snd_soc_dapm_init_bias_level( 745 struct snd_soc_dapm_context *dapm, enum snd_soc_bias_level level) 746 { 747 dapm->bias_level = level; 748 } 749 750 /** 751 * snd_soc_dapm_get_bias_level() - Get current DAPM bias level 752 * @dapm: The context for which to get the bias level 753 * 754 * Returns: The current bias level of the passed DAPM context. 755 */ 756 static inline enum snd_soc_bias_level snd_soc_dapm_get_bias_level( 757 struct snd_soc_dapm_context *dapm) 758 { 759 return dapm->bias_level; 760 } 761 762 enum snd_soc_dapm_direction { 763 SND_SOC_DAPM_DIR_IN, 764 SND_SOC_DAPM_DIR_OUT 765 }; 766 767 #define SND_SOC_DAPM_DIR_TO_EP(x) BIT(x) 768 769 #define SND_SOC_DAPM_EP_SOURCE SND_SOC_DAPM_DIR_TO_EP(SND_SOC_DAPM_DIR_IN) 770 #define SND_SOC_DAPM_EP_SINK SND_SOC_DAPM_DIR_TO_EP(SND_SOC_DAPM_DIR_OUT) 771 772 /** 773 * snd_soc_dapm_widget_for_each_path - Iterates over all paths in the 774 * specified direction of a widget 775 * @w: The widget 776 * @dir: Whether to iterate over the paths where the specified widget is the 777 * incoming or outgoing widgets 778 * @p: The path iterator variable 779 */ 780 #define snd_soc_dapm_widget_for_each_path(w, dir, p) \ 781 list_for_each_entry(p, &w->edges[dir], list_node[dir]) 782 783 /** 784 * snd_soc_dapm_widget_for_each_path_safe - Iterates over all paths in the 785 * specified direction of a widget 786 * @w: The widget 787 * @dir: Whether to iterate over the paths where the specified widget is the 788 * incoming or outgoing widgets 789 * @p: The path iterator variable 790 * @next_p: Temporary storage for the next path 791 * 792 * This function works like snd_soc_dapm_widget_for_each_path, expect that 793 * it is safe to remove the current path from the list while iterating 794 */ 795 #define snd_soc_dapm_widget_for_each_path_safe(w, dir, p, next_p) \ 796 list_for_each_entry_safe(p, next_p, &w->edges[dir], list_node[dir]) 797 798 /** 799 * snd_soc_dapm_widget_for_each_sink_path - Iterates over all paths leaving a 800 * widget 801 * @w: The widget 802 * @p: The path iterator variable 803 */ 804 #define snd_soc_dapm_widget_for_each_sink_path(w, p) \ 805 snd_soc_dapm_widget_for_each_path(w, SND_SOC_DAPM_DIR_IN, p) 806 807 /** 808 * snd_soc_dapm_widget_for_each_source_path - Iterates over all paths leading to 809 * a widget 810 * @w: The widget 811 * @p: The path iterator variable 812 */ 813 #define snd_soc_dapm_widget_for_each_source_path(w, p) \ 814 snd_soc_dapm_widget_for_each_path(w, SND_SOC_DAPM_DIR_OUT, p) 815 816 #endif 817