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