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