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 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 330 .info = snd_soc_info_volsw, \ 331 .get = snd_soc_dapm_get_volsw, .put = snd_soc_dapm_put_volsw, \ 332 .private_value = SOC_DOUBLE_VALUE(reg, lshift, rshift, max, invert, 0) } 333 #define SOC_DAPM_DOUBLE_R(xname, lreg, rreg, shift, max, invert) \ 334 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 335 .info = snd_soc_info_volsw, \ 336 .get = snd_soc_dapm_get_volsw, .put = snd_soc_dapm_put_volsw, \ 337 .private_value = SOC_DOUBLE_R_VALUE(lreg, rreg, shift, max, invert) } 338 #define SOC_DAPM_SINGLE(xname, reg, shift, max, invert) \ 339 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 340 .info = snd_soc_info_volsw, \ 341 .get = snd_soc_dapm_get_volsw, .put = snd_soc_dapm_put_volsw, \ 342 .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert, 0) } 343 #define SOC_DAPM_SINGLE_AUTODISABLE(xname, reg, shift, max, invert) \ 344 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 345 .info = snd_soc_info_volsw, \ 346 .get = snd_soc_dapm_get_volsw, .put = snd_soc_dapm_put_volsw, \ 347 .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert, 1) } 348 #define SOC_DAPM_SINGLE_VIRT(xname, max) \ 349 SOC_DAPM_SINGLE(xname, SND_SOC_NOPM, 0, max, 0) 350 #define SOC_DAPM_SINGLE_TLV(xname, reg, shift, max, invert, tlv_array) \ 351 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 352 .info = snd_soc_info_volsw, \ 353 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | SNDRV_CTL_ELEM_ACCESS_READWRITE,\ 354 .tlv.p = (tlv_array), \ 355 .get = snd_soc_dapm_get_volsw, .put = snd_soc_dapm_put_volsw, \ 356 .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert, 0) } 357 #define SOC_DAPM_SINGLE_TLV_AUTODISABLE(xname, reg, shift, max, invert, tlv_array) \ 358 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 359 .info = snd_soc_info_volsw, \ 360 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | SNDRV_CTL_ELEM_ACCESS_READWRITE,\ 361 .tlv.p = (tlv_array), \ 362 .get = snd_soc_dapm_get_volsw, .put = snd_soc_dapm_put_volsw, \ 363 .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert, 1) } 364 #define SOC_DAPM_SINGLE_TLV_VIRT(xname, max, tlv_array) \ 365 SOC_DAPM_SINGLE(xname, SND_SOC_NOPM, 0, max, 0, tlv_array) 366 #define SOC_DAPM_ENUM(xname, xenum) \ 367 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 368 .info = snd_soc_info_enum_double, \ 369 .get = snd_soc_dapm_get_enum_double, \ 370 .put = snd_soc_dapm_put_enum_double, \ 371 .private_value = (unsigned long)&xenum } 372 #define SOC_DAPM_ENUM_EXT(xname, xenum, xget, xput) \ 373 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 374 .info = snd_soc_info_enum_double, \ 375 .get = xget, \ 376 .put = xput, \ 377 .private_value = (unsigned long)&xenum } 378 #define SOC_DAPM_PIN_SWITCH(xname) \ 379 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname " Switch", \ 380 .info = snd_soc_dapm_info_pin_switch, \ 381 .get = snd_soc_dapm_get_pin_switch, \ 382 .put = snd_soc_dapm_put_pin_switch, \ 383 .private_value = (unsigned long)xname } 384 385 /* dapm stream operations */ 386 #define SND_SOC_DAPM_STREAM_NOP 0x0 387 #define SND_SOC_DAPM_STREAM_START 0x1 388 #define SND_SOC_DAPM_STREAM_STOP 0x2 389 #define SND_SOC_DAPM_STREAM_SUSPEND 0x4 390 #define SND_SOC_DAPM_STREAM_RESUME 0x8 391 #define SND_SOC_DAPM_STREAM_PAUSE_PUSH 0x10 392 #define SND_SOC_DAPM_STREAM_PAUSE_RELEASE 0x20 393 394 /* dapm event types */ 395 #define SND_SOC_DAPM_PRE_PMU 0x1 /* before widget power up */ 396 #define SND_SOC_DAPM_POST_PMU 0x2 /* after widget power up */ 397 #define SND_SOC_DAPM_PRE_PMD 0x4 /* before widget power down */ 398 #define SND_SOC_DAPM_POST_PMD 0x8 /* after widget power down */ 399 #define SND_SOC_DAPM_PRE_REG 0x10 /* before audio path setup */ 400 #define SND_SOC_DAPM_POST_REG 0x20 /* after audio path setup */ 401 #define SND_SOC_DAPM_WILL_PMU 0x40 /* called at start of sequence */ 402 #define SND_SOC_DAPM_WILL_PMD 0x80 /* called at start of sequence */ 403 #define SND_SOC_DAPM_PRE_POST_PMD (SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD) 404 #define SND_SOC_DAPM_PRE_POST_PMU (SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU) 405 406 /* convenience event type detection */ 407 #define SND_SOC_DAPM_EVENT_ON(e) (e & (SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU)) 408 #define SND_SOC_DAPM_EVENT_OFF(e) (e & (SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD)) 409 410 /* regulator widget flags */ 411 #define SND_SOC_DAPM_REGULATOR_BYPASS 0x1 /* bypass when disabled */ 412 413 struct snd_soc_dapm_widget; 414 enum snd_soc_dapm_type; 415 struct snd_soc_dapm_path; 416 struct snd_soc_dapm_pin; 417 struct snd_soc_dapm_route; 418 struct snd_soc_dapm_context; 419 struct regulator; 420 struct snd_soc_dapm_widget_list; 421 struct snd_soc_dapm_update; 422 enum snd_soc_dapm_direction; 423 424 /* 425 * Bias levels 426 * 427 * @ON: Bias is fully on for audio playback and capture operations. 428 * @PREPARE: Prepare for audio operations. Called before DAPM switching for 429 * stream start and stop operations. 430 * @STANDBY: Low power standby state when no playback/capture operations are 431 * in progress. NOTE: The transition time between STANDBY and ON 432 * should be as fast as possible and no longer than 10ms. 433 * @OFF: Power Off. No restrictions on transition times. 434 */ 435 enum snd_soc_bias_level { 436 SND_SOC_BIAS_OFF = 0, 437 SND_SOC_BIAS_STANDBY = 1, 438 SND_SOC_BIAS_PREPARE = 2, 439 SND_SOC_BIAS_ON = 3, 440 }; 441 442 int dapm_regulator_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event); 443 int dapm_clock_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event); 444 int dapm_pinctrl_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event); 445 446 /* dapm controls */ 447 int snd_soc_dapm_put_volsw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol); 448 int snd_soc_dapm_get_volsw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol); 449 int snd_soc_dapm_get_enum_double(struct snd_kcontrol *kcontrol, 450 struct snd_ctl_elem_value *ucontrol); 451 int snd_soc_dapm_put_enum_double(struct snd_kcontrol *kcontrol, 452 struct snd_ctl_elem_value *ucontrol); 453 int snd_soc_dapm_info_pin_switch(struct snd_kcontrol *kcontrol, 454 struct snd_ctl_elem_info *uinfo); 455 int snd_soc_dapm_get_pin_switch(struct snd_kcontrol *kcontrol, 456 struct snd_ctl_elem_value *uncontrol); 457 int snd_soc_dapm_put_pin_switch(struct snd_kcontrol *kcontrol, 458 struct snd_ctl_elem_value *uncontrol); 459 int snd_soc_dapm_new_controls(struct snd_soc_dapm_context *dapm, 460 const struct snd_soc_dapm_widget *widget, int num); 461 struct snd_soc_dapm_widget *snd_soc_dapm_new_control(struct snd_soc_dapm_context *dapm, 462 const struct snd_soc_dapm_widget *widget); 463 struct snd_soc_dapm_widget *snd_soc_dapm_new_control_unlocked(struct snd_soc_dapm_context *dapm, 464 const struct snd_soc_dapm_widget *widget); 465 int snd_soc_dapm_new_dai_widgets(struct snd_soc_dapm_context *dapm, struct snd_soc_dai *dai); 466 void snd_soc_dapm_free_widget(struct snd_soc_dapm_widget *w); 467 int snd_soc_dapm_link_dai_widgets(struct snd_soc_card *card); 468 void snd_soc_dapm_connect_dai_link_widgets(struct snd_soc_card *card); 469 470 int snd_soc_dapm_update_dai(struct snd_pcm_substream *substream, 471 struct snd_pcm_hw_params *params, struct snd_soc_dai *dai); 472 473 /* dapm path setup */ 474 int snd_soc_dapm_new_widgets(struct snd_soc_card *card); 475 void snd_soc_dapm_free(struct snd_soc_dapm_context *dapm); 476 void snd_soc_dapm_init(struct snd_soc_dapm_context *dapm, 477 struct snd_soc_card *card, struct snd_soc_component *component); 478 int snd_soc_dapm_add_routes(struct snd_soc_dapm_context *dapm, 479 const struct snd_soc_dapm_route *route, int num); 480 int snd_soc_dapm_del_routes(struct snd_soc_dapm_context *dapm, 481 const struct snd_soc_dapm_route *route, int num); 482 int snd_soc_dapm_weak_routes(struct snd_soc_dapm_context *dapm, 483 const struct snd_soc_dapm_route *route, int num); 484 void snd_soc_dapm_free_widget(struct snd_soc_dapm_widget *w); 485 486 /* dapm events */ 487 void snd_soc_dapm_stream_event(struct snd_soc_pcm_runtime *rtd, int stream, int event); 488 void snd_soc_dapm_stream_stop(struct snd_soc_pcm_runtime *rtd, int stream); 489 void snd_soc_dapm_shutdown(struct snd_soc_card *card); 490 491 /* external DAPM widget events */ 492 int snd_soc_dapm_mixer_update_power(struct snd_soc_dapm_context *dapm, 493 struct snd_kcontrol *kcontrol, int connect, struct snd_soc_dapm_update *update); 494 int snd_soc_dapm_mux_update_power(struct snd_soc_dapm_context *dapm, 495 struct snd_kcontrol *kcontrol, int mux, struct soc_enum *e, 496 struct snd_soc_dapm_update *update); 497 498 /* dapm sys fs - used by the core */ 499 extern struct attribute *soc_dapm_dev_attrs[]; 500 void snd_soc_dapm_debugfs_init(struct snd_soc_dapm_context *dapm, struct dentry *parent); 501 502 /* dapm audio pin control and status */ 503 int snd_soc_dapm_enable_pin(struct snd_soc_dapm_context *dapm, const char *pin); 504 int snd_soc_dapm_enable_pin_unlocked(struct snd_soc_dapm_context *dapm, const char *pin); 505 int snd_soc_dapm_disable_pin(struct snd_soc_dapm_context *dapm, const char *pin); 506 int snd_soc_dapm_disable_pin_unlocked(struct snd_soc_dapm_context *dapm, const char *pin); 507 int snd_soc_dapm_nc_pin(struct snd_soc_dapm_context *dapm, const char *pin); 508 int snd_soc_dapm_nc_pin_unlocked(struct snd_soc_dapm_context *dapm, const char *pin); 509 int snd_soc_dapm_get_pin_status(struct snd_soc_dapm_context *dapm, const char *pin); 510 int snd_soc_dapm_sync(struct snd_soc_dapm_context *dapm); 511 int snd_soc_dapm_sync_unlocked(struct snd_soc_dapm_context *dapm); 512 int snd_soc_dapm_force_enable_pin(struct snd_soc_dapm_context *dapm, const char *pin); 513 int snd_soc_dapm_force_enable_pin_unlocked(struct snd_soc_dapm_context *dapm, const char *pin); 514 int snd_soc_dapm_ignore_suspend(struct snd_soc_dapm_context *dapm, const char *pin); 515 unsigned int dapm_kcontrol_get_value(const struct snd_kcontrol *kcontrol); 516 517 /* Mostly internal - should not normally be used */ 518 void dapm_mark_endpoints_dirty(struct snd_soc_card *card); 519 520 /* dapm path query */ 521 int snd_soc_dapm_dai_get_connected_widgets(struct snd_soc_dai *dai, int stream, 522 struct snd_soc_dapm_widget_list **list, 523 bool (*custom_stop_condition)(struct snd_soc_dapm_widget *, enum snd_soc_dapm_direction)); 524 void snd_soc_dapm_dai_free_widgets(struct snd_soc_dapm_widget_list **list); 525 526 struct snd_soc_dapm_context *snd_soc_dapm_kcontrol_dapm(struct snd_kcontrol *kcontrol); 527 struct snd_soc_dapm_widget *snd_soc_dapm_kcontrol_widget(struct snd_kcontrol *kcontrol); 528 529 int snd_soc_dapm_force_bias_level(struct snd_soc_dapm_context *dapm, enum snd_soc_bias_level level); 530 531 /* dapm widget types */ 532 enum snd_soc_dapm_type { 533 snd_soc_dapm_input = 0, /* input pin */ 534 snd_soc_dapm_output, /* output pin */ 535 snd_soc_dapm_mux, /* selects 1 analog signal from many inputs */ 536 snd_soc_dapm_demux, /* connects the input to one of multiple outputs */ 537 snd_soc_dapm_mixer, /* mixes several analog signals together */ 538 snd_soc_dapm_mixer_named_ctl, /* mixer with named controls */ 539 snd_soc_dapm_pga, /* programmable gain/attenuation (volume) */ 540 snd_soc_dapm_out_drv, /* output driver */ 541 snd_soc_dapm_adc, /* analog to digital converter */ 542 snd_soc_dapm_dac, /* digital to analog converter */ 543 snd_soc_dapm_micbias, /* microphone bias (power) - DEPRECATED: use snd_soc_dapm_supply */ 544 snd_soc_dapm_mic, /* microphone */ 545 snd_soc_dapm_hp, /* headphones */ 546 snd_soc_dapm_spk, /* speaker */ 547 snd_soc_dapm_line, /* line input/output */ 548 snd_soc_dapm_switch, /* analog switch */ 549 snd_soc_dapm_vmid, /* codec bias/vmid - to minimise pops */ 550 snd_soc_dapm_pre, /* machine specific pre widget - exec first */ 551 snd_soc_dapm_post, /* machine specific post widget - exec last */ 552 snd_soc_dapm_supply, /* power/clock supply */ 553 snd_soc_dapm_pinctrl, /* pinctrl */ 554 snd_soc_dapm_regulator_supply, /* external regulator */ 555 snd_soc_dapm_clock_supply, /* external clock */ 556 snd_soc_dapm_aif_in, /* audio interface input */ 557 snd_soc_dapm_aif_out, /* audio interface output */ 558 snd_soc_dapm_siggen, /* signal generator */ 559 snd_soc_dapm_sink, 560 snd_soc_dapm_dai_in, /* link to DAI structure */ 561 snd_soc_dapm_dai_out, 562 snd_soc_dapm_dai_link, /* link between two DAI structures */ 563 snd_soc_dapm_kcontrol, /* Auto-disabled kcontrol */ 564 snd_soc_dapm_buffer, /* DSP/CODEC internal buffer */ 565 snd_soc_dapm_scheduler, /* DSP/CODEC internal scheduler */ 566 snd_soc_dapm_effect, /* DSP/CODEC effect component */ 567 snd_soc_dapm_src, /* DSP/CODEC SRC component */ 568 snd_soc_dapm_asrc, /* DSP/CODEC ASRC component */ 569 snd_soc_dapm_encoder, /* FW/SW audio encoder component */ 570 snd_soc_dapm_decoder, /* FW/SW audio decoder component */ 571 572 /* Don't edit below this line */ 573 SND_SOC_DAPM_TYPE_COUNT 574 }; 575 576 /* 577 * DAPM audio route definition. 578 * 579 * Defines an audio route originating at source via control and finishing 580 * at sink. 581 */ 582 struct snd_soc_dapm_route { 583 const char *sink; 584 const char *control; 585 const char *source; 586 587 /* Note: currently only supported for links where source is a supply */ 588 int (*connected)(struct snd_soc_dapm_widget *source, 589 struct snd_soc_dapm_widget *sink); 590 591 struct snd_soc_dobj dobj; 592 }; 593 594 /* dapm audio path between two widgets */ 595 struct snd_soc_dapm_path { 596 const char *name; 597 598 /* 599 * source (input) and sink (output) widgets 600 * The union is for convience, since it is a lot nicer to type 601 * p->source, rather than p->node[SND_SOC_DAPM_DIR_IN] 602 */ 603 union { 604 struct { 605 struct snd_soc_dapm_widget *source; 606 struct snd_soc_dapm_widget *sink; 607 }; 608 struct snd_soc_dapm_widget *node[2]; 609 }; 610 611 /* status */ 612 u32 connect:1; /* source and sink widgets are connected */ 613 u32 walking:1; /* path is in the process of being walked */ 614 u32 weak:1; /* path ignored for power management */ 615 u32 is_supply:1; /* At least one of the connected widgets is a supply */ 616 617 int (*connected)(struct snd_soc_dapm_widget *source, 618 struct snd_soc_dapm_widget *sink); 619 620 struct list_head list_node[2]; 621 struct list_head list_kcontrol; 622 struct list_head list; 623 }; 624 625 /* dapm widget */ 626 struct snd_soc_dapm_widget { 627 enum snd_soc_dapm_type id; 628 const char *name; /* widget name */ 629 const char *sname; /* stream name */ 630 struct list_head list; 631 struct snd_soc_dapm_context *dapm; 632 633 void *priv; /* widget specific data */ 634 struct regulator *regulator; /* attached regulator */ 635 struct pinctrl *pinctrl; /* attached pinctrl */ 636 637 /* dapm control */ 638 int reg; /* negative reg = no direct dapm */ 639 unsigned char shift; /* bits to shift */ 640 unsigned int mask; /* non-shifted mask */ 641 unsigned int on_val; /* on state value */ 642 unsigned int off_val; /* off state value */ 643 unsigned char power:1; /* block power status */ 644 unsigned char active:1; /* active stream on DAC, ADC's */ 645 unsigned char connected:1; /* connected codec pin */ 646 unsigned char new:1; /* cnew complete */ 647 unsigned char force:1; /* force state */ 648 unsigned char ignore_suspend:1; /* kept enabled over suspend */ 649 unsigned char new_power:1; /* power from this run */ 650 unsigned char power_checked:1; /* power checked this run */ 651 unsigned char is_supply:1; /* Widget is a supply type widget */ 652 unsigned char is_ep:2; /* Widget is a endpoint type widget */ 653 unsigned char no_wname_in_kcontrol_name:1; /* No widget name prefix in kcontrol name */ 654 int subseq; /* sort within widget type */ 655 656 int (*power_check)(struct snd_soc_dapm_widget *w); 657 658 /* external events */ 659 unsigned short event_flags; /* flags to specify event types */ 660 int (*event)(struct snd_soc_dapm_widget*, struct snd_kcontrol *, int); 661 662 /* kcontrols that relate to this widget */ 663 int num_kcontrols; 664 const struct snd_kcontrol_new *kcontrol_news; 665 struct snd_kcontrol **kcontrols; 666 struct snd_soc_dobj dobj; 667 668 /* widget input and output edges */ 669 struct list_head edges[2]; 670 671 /* used during DAPM updates */ 672 struct list_head work_list; 673 struct list_head power_list; 674 struct list_head dirty; 675 int endpoints[2]; 676 677 struct clk *clk; 678 679 int channel; 680 }; 681 682 struct snd_soc_dapm_update { 683 struct snd_kcontrol *kcontrol; 684 int reg; 685 int mask; 686 int val; 687 int reg2; 688 int mask2; 689 int val2; 690 bool has_second_set; 691 }; 692 693 /* DAPM context */ 694 struct snd_soc_dapm_context { 695 enum snd_soc_bias_level bias_level; 696 697 /* bit field */ 698 unsigned int idle_bias_off:1; /* Use BIAS_OFF instead of STANDBY */ 699 unsigned int suspend_bias_off:1; /* Use BIAS_OFF in suspend if the DAPM is idle */ 700 701 struct device *dev; /* from parent - for debug */ 702 struct snd_soc_component *component; /* parent component */ 703 struct snd_soc_card *card; /* parent card */ 704 705 /* used during DAPM updates */ 706 enum snd_soc_bias_level target_bias_level; 707 struct list_head list; 708 709 struct snd_soc_dapm_widget *wcache_sink; 710 struct snd_soc_dapm_widget *wcache_source; 711 712 #ifdef CONFIG_DEBUG_FS 713 struct dentry *debugfs_dapm; 714 #endif 715 }; 716 717 /* A list of widgets associated with an object, typically a snd_kcontrol */ 718 struct snd_soc_dapm_widget_list { 719 int num_widgets; 720 struct snd_soc_dapm_widget *widgets[]; 721 }; 722 723 #define for_each_dapm_widgets(list, i, widget) \ 724 for ((i) = 0; \ 725 (i) < list->num_widgets && (widget = list->widgets[i]); \ 726 (i)++) 727 728 struct snd_soc_dapm_stats { 729 int power_checks; 730 int path_checks; 731 int neighbour_checks; 732 }; 733 734 struct snd_soc_dapm_pinctrl_priv { 735 const char *active_state; 736 const char *sleep_state; 737 }; 738 739 /** 740 * snd_soc_dapm_init_bias_level() - Initialize DAPM bias level 741 * @dapm: The DAPM context to initialize 742 * @level: The DAPM level to initialize to 743 * 744 * This function only sets the driver internal state of the DAPM level and will 745 * not modify the state of the device. Hence it should not be used during normal 746 * operation, but only to synchronize the internal state to the device state. 747 * E.g. during driver probe to set the DAPM level to the one corresponding with 748 * the power-on reset state of the device. 749 * 750 * To change the DAPM state of the device use snd_soc_dapm_set_bias_level(). 751 */ 752 static inline void snd_soc_dapm_init_bias_level( 753 struct snd_soc_dapm_context *dapm, enum snd_soc_bias_level level) 754 { 755 dapm->bias_level = level; 756 } 757 758 /** 759 * snd_soc_dapm_get_bias_level() - Get current DAPM bias level 760 * @dapm: The context for which to get the bias level 761 * 762 * Returns: The current bias level of the passed DAPM context. 763 */ 764 static inline enum snd_soc_bias_level snd_soc_dapm_get_bias_level( 765 struct snd_soc_dapm_context *dapm) 766 { 767 return dapm->bias_level; 768 } 769 770 enum snd_soc_dapm_direction { 771 SND_SOC_DAPM_DIR_IN, 772 SND_SOC_DAPM_DIR_OUT 773 }; 774 775 #define SND_SOC_DAPM_DIR_TO_EP(x) BIT(x) 776 777 #define SND_SOC_DAPM_EP_SOURCE SND_SOC_DAPM_DIR_TO_EP(SND_SOC_DAPM_DIR_IN) 778 #define SND_SOC_DAPM_EP_SINK SND_SOC_DAPM_DIR_TO_EP(SND_SOC_DAPM_DIR_OUT) 779 780 /** 781 * snd_soc_dapm_widget_for_each_path - Iterates over all paths in the 782 * specified direction of a widget 783 * @w: The widget 784 * @dir: Whether to iterate over the paths where the specified widget is the 785 * incoming or outgoing widgets 786 * @p: The path iterator variable 787 */ 788 #define snd_soc_dapm_widget_for_each_path(w, dir, p) \ 789 list_for_each_entry(p, &w->edges[dir], list_node[dir]) 790 791 /** 792 * snd_soc_dapm_widget_for_each_path_safe - Iterates over all paths in the 793 * specified direction of a widget 794 * @w: The widget 795 * @dir: Whether to iterate over the paths where the specified widget is the 796 * incoming or outgoing widgets 797 * @p: The path iterator variable 798 * @next_p: Temporary storage for the next path 799 * 800 * This function works like snd_soc_dapm_widget_for_each_path, expect that 801 * it is safe to remove the current path from the list while iterating 802 */ 803 #define snd_soc_dapm_widget_for_each_path_safe(w, dir, p, next_p) \ 804 list_for_each_entry_safe(p, next_p, &w->edges[dir], list_node[dir]) 805 806 /** 807 * snd_soc_dapm_widget_for_each_sink_path - Iterates over all paths leaving a 808 * widget 809 * @w: The widget 810 * @p: The path iterator variable 811 */ 812 #define snd_soc_dapm_widget_for_each_sink_path(w, p) \ 813 snd_soc_dapm_widget_for_each_path(w, SND_SOC_DAPM_DIR_IN, p) 814 815 /** 816 * snd_soc_dapm_widget_for_each_source_path - Iterates over all paths leading to 817 * a widget 818 * @w: The widget 819 * @p: The path iterator variable 820 */ 821 #define snd_soc_dapm_widget_for_each_source_path(w, p) \ 822 snd_soc_dapm_widget_for_each_path(w, SND_SOC_DAPM_DIR_OUT, p) 823 824 #endif 825