1 /* 2 * linux/sound/soc-dapm.h -- ALSA SoC Dynamic Audio Power Management 3 * 4 * Author: Liam Girdwood 5 * Created: Aug 11th 2005 6 * Copyright: Wolfson Microelectronics. PLC. 7 * 8 * This program is free software; you can redistribute it and/or modify 9 * it under the terms of the GNU General Public License version 2 as 10 * published by the Free Software Foundation. 11 */ 12 13 #ifndef __LINUX_SND_SOC_DAPM_H 14 #define __LINUX_SND_SOC_DAPM_H 15 16 #include <linux/types.h> 17 #include <sound/control.h> 18 19 struct device; 20 21 /* widget has no PM register bit */ 22 #define SND_SOC_NOPM -1 23 24 /* 25 * SoC dynamic audio power management 26 * 27 * We can have up to 4 power domains 28 * 1. Codec domain - VREF, VMID 29 * Usually controlled at codec probe/remove, although can be set 30 * at stream time if power is not needed for sidetone, etc. 31 * 2. Platform/Machine domain - physically connected inputs and outputs 32 * Is platform/machine and user action specific, is set in the machine 33 * driver and by userspace e.g when HP are inserted 34 * 3. Path domain - Internal codec path mixers 35 * Are automatically set when mixer and mux settings are 36 * changed by the user. 37 * 4. Stream domain - DAC's and ADC's. 38 * Enabled when stream playback/capture is started. 39 */ 40 41 /* codec domain */ 42 #define SND_SOC_DAPM_VMID(wname) \ 43 { .id = snd_soc_dapm_vmid, .name = wname, .kcontrol_news = NULL, \ 44 .num_kcontrols = 0} 45 46 /* platform domain */ 47 #define SND_SOC_DAPM_SIGGEN(wname) \ 48 { .id = snd_soc_dapm_siggen, .name = wname, .kcontrol_news = NULL, \ 49 .num_kcontrols = 0, .reg = SND_SOC_NOPM } 50 #define SND_SOC_DAPM_INPUT(wname) \ 51 { .id = snd_soc_dapm_input, .name = wname, .kcontrol_news = NULL, \ 52 .num_kcontrols = 0, .reg = SND_SOC_NOPM } 53 #define SND_SOC_DAPM_OUTPUT(wname) \ 54 { .id = snd_soc_dapm_output, .name = wname, .kcontrol_news = NULL, \ 55 .num_kcontrols = 0, .reg = SND_SOC_NOPM } 56 #define SND_SOC_DAPM_MIC(wname, wevent) \ 57 { .id = snd_soc_dapm_mic, .name = wname, .kcontrol_news = NULL, \ 58 .num_kcontrols = 0, .reg = SND_SOC_NOPM, .event = wevent, \ 59 .event_flags = SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD} 60 #define SND_SOC_DAPM_HP(wname, wevent) \ 61 { .id = snd_soc_dapm_hp, .name = wname, .kcontrol_news = NULL, \ 62 .num_kcontrols = 0, .reg = SND_SOC_NOPM, .event = wevent, \ 63 .event_flags = SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD} 64 #define SND_SOC_DAPM_SPK(wname, wevent) \ 65 { .id = snd_soc_dapm_spk, .name = wname, .kcontrol_news = NULL, \ 66 .num_kcontrols = 0, .reg = SND_SOC_NOPM, .event = wevent, \ 67 .event_flags = SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD} 68 #define SND_SOC_DAPM_LINE(wname, wevent) \ 69 { .id = snd_soc_dapm_line, .name = wname, .kcontrol_news = NULL, \ 70 .num_kcontrols = 0, .reg = SND_SOC_NOPM, .event = wevent, \ 71 .event_flags = SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD} 72 73 #define SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert) \ 74 .reg = wreg, .mask = 1, .shift = wshift, \ 75 .on_val = winvert ? 0 : 1, .off_val = winvert ? 1 : 0 76 77 /* path domain */ 78 #define SND_SOC_DAPM_PGA(wname, wreg, wshift, winvert,\ 79 wcontrols, wncontrols) \ 80 { .id = snd_soc_dapm_pga, .name = wname, \ 81 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ 82 .kcontrol_news = wcontrols, .num_kcontrols = wncontrols} 83 #define SND_SOC_DAPM_OUT_DRV(wname, wreg, wshift, winvert,\ 84 wcontrols, wncontrols) \ 85 { .id = snd_soc_dapm_out_drv, .name = wname, \ 86 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ 87 .kcontrol_news = wcontrols, .num_kcontrols = wncontrols} 88 #define SND_SOC_DAPM_MIXER(wname, wreg, wshift, winvert, \ 89 wcontrols, wncontrols)\ 90 { .id = snd_soc_dapm_mixer, .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_NAMED_CTL(wname, wreg, wshift, winvert, \ 94 wcontrols, wncontrols)\ 95 { .id = snd_soc_dapm_mixer_named_ctl, .name = wname, \ 96 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ 97 .kcontrol_news = wcontrols, .num_kcontrols = wncontrols} 98 #define SND_SOC_DAPM_MICBIAS(wname, wreg, wshift, winvert) \ 99 { .id = snd_soc_dapm_micbias, .name = wname, \ 100 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ 101 .kcontrol_news = NULL, .num_kcontrols = 0} 102 #define SND_SOC_DAPM_SWITCH(wname, wreg, wshift, winvert, wcontrols) \ 103 { .id = snd_soc_dapm_switch, .name = wname, \ 104 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ 105 .kcontrol_news = wcontrols, .num_kcontrols = 1} 106 #define SND_SOC_DAPM_MUX(wname, wreg, wshift, winvert, wcontrols) \ 107 { .id = snd_soc_dapm_mux, .name = wname, \ 108 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ 109 .kcontrol_news = wcontrols, .num_kcontrols = 1} 110 111 /* Simplified versions of above macros, assuming wncontrols = ARRAY_SIZE(wcontrols) */ 112 #define SOC_PGA_ARRAY(wname, wreg, wshift, winvert,\ 113 wcontrols) \ 114 { .id = snd_soc_dapm_pga, .name = wname, \ 115 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ 116 .kcontrol_news = wcontrols, .num_kcontrols = ARRAY_SIZE(wcontrols)} 117 #define SOC_MIXER_ARRAY(wname, wreg, wshift, winvert, \ 118 wcontrols)\ 119 { .id = snd_soc_dapm_mixer, .name = wname, \ 120 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ 121 .kcontrol_news = wcontrols, .num_kcontrols = ARRAY_SIZE(wcontrols)} 122 #define SOC_MIXER_NAMED_CTL_ARRAY(wname, wreg, wshift, winvert, \ 123 wcontrols)\ 124 { .id = snd_soc_dapm_mixer_named_ctl, .name = wname, \ 125 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ 126 .kcontrol_news = wcontrols, .num_kcontrols = ARRAY_SIZE(wcontrols)} 127 128 /* path domain with event - event handler must return 0 for success */ 129 #define SND_SOC_DAPM_PGA_E(wname, wreg, wshift, winvert, wcontrols, \ 130 wncontrols, wevent, wflags) \ 131 { .id = snd_soc_dapm_pga, .name = wname, \ 132 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ 133 .kcontrol_news = wcontrols, .num_kcontrols = wncontrols, \ 134 .event = wevent, .event_flags = wflags} 135 #define SND_SOC_DAPM_OUT_DRV_E(wname, wreg, wshift, winvert, wcontrols, \ 136 wncontrols, wevent, wflags) \ 137 { .id = snd_soc_dapm_out_drv, .name = wname, \ 138 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ 139 .kcontrol_news = wcontrols, .num_kcontrols = wncontrols, \ 140 .event = wevent, .event_flags = wflags} 141 #define SND_SOC_DAPM_MIXER_E(wname, wreg, wshift, winvert, wcontrols, \ 142 wncontrols, wevent, wflags) \ 143 { .id = snd_soc_dapm_mixer, .name = wname, \ 144 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ 145 .kcontrol_news = wcontrols, .num_kcontrols = wncontrols, \ 146 .event = wevent, .event_flags = wflags} 147 #define SND_SOC_DAPM_MIXER_NAMED_CTL_E(wname, wreg, wshift, winvert, \ 148 wcontrols, wncontrols, wevent, wflags) \ 149 { .id = snd_soc_dapm_mixer, .name = wname, \ 150 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ 151 .kcontrol_news = wcontrols, \ 152 .num_kcontrols = wncontrols, .event = wevent, .event_flags = wflags} 153 #define SND_SOC_DAPM_SWITCH_E(wname, wreg, wshift, winvert, wcontrols, \ 154 wevent, wflags) \ 155 { .id = snd_soc_dapm_switch, .name = wname, \ 156 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ 157 .kcontrol_news = wcontrols, .num_kcontrols = 1, \ 158 .event = wevent, .event_flags = wflags} 159 #define SND_SOC_DAPM_MUX_E(wname, wreg, wshift, winvert, wcontrols, \ 160 wevent, wflags) \ 161 { .id = snd_soc_dapm_mux, .name = wname, \ 162 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ 163 .kcontrol_news = wcontrols, .num_kcontrols = 1, \ 164 .event = wevent, .event_flags = wflags} 165 166 /* additional sequencing control within an event type */ 167 #define SND_SOC_DAPM_PGA_S(wname, wsubseq, wreg, wshift, winvert, \ 168 wevent, wflags) \ 169 { .id = snd_soc_dapm_pga, .name = wname, \ 170 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ 171 .event = wevent, .event_flags = wflags, \ 172 .subseq = wsubseq} 173 #define SND_SOC_DAPM_SUPPLY_S(wname, wsubseq, wreg, wshift, winvert, wevent, \ 174 wflags) \ 175 { .id = snd_soc_dapm_supply, .name = wname, \ 176 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ 177 .event = wevent, .event_flags = wflags, .subseq = wsubseq} 178 179 /* Simplified versions of above macros, assuming wncontrols = ARRAY_SIZE(wcontrols) */ 180 #define SOC_PGA_E_ARRAY(wname, wreg, wshift, winvert, wcontrols, \ 181 wevent, wflags) \ 182 { .id = snd_soc_dapm_pga, .name = wname, \ 183 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ 184 .kcontrol_news = wcontrols, .num_kcontrols = ARRAY_SIZE(wcontrols), \ 185 .event = wevent, .event_flags = wflags} 186 #define SOC_MIXER_E_ARRAY(wname, wreg, wshift, winvert, wcontrols, \ 187 wevent, wflags) \ 188 { .id = snd_soc_dapm_mixer, .name = wname, \ 189 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ 190 .kcontrol_news = wcontrols, .num_kcontrols = ARRAY_SIZE(wcontrols), \ 191 .event = wevent, .event_flags = wflags} 192 #define SOC_MIXER_NAMED_CTL_E_ARRAY(wname, wreg, wshift, winvert, \ 193 wcontrols, wevent, wflags) \ 194 { .id = snd_soc_dapm_mixer, .name = wname, \ 195 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ 196 .kcontrol_news = wcontrols, .num_kcontrols = ARRAY_SIZE(wcontrols), \ 197 .event = wevent, .event_flags = wflags} 198 199 /* events that are pre and post DAPM */ 200 #define SND_SOC_DAPM_PRE(wname, wevent) \ 201 { .id = snd_soc_dapm_pre, .name = wname, .kcontrol_news = NULL, \ 202 .num_kcontrols = 0, .reg = SND_SOC_NOPM, .event = wevent, \ 203 .event_flags = SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD} 204 #define SND_SOC_DAPM_POST(wname, wevent) \ 205 { .id = snd_soc_dapm_post, .name = wname, .kcontrol_news = NULL, \ 206 .num_kcontrols = 0, .reg = SND_SOC_NOPM, .event = wevent, \ 207 .event_flags = SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD} 208 209 /* stream domain */ 210 #define SND_SOC_DAPM_AIF_IN(wname, stname, wslot, wreg, wshift, winvert) \ 211 { .id = snd_soc_dapm_aif_in, .name = wname, .sname = stname, \ 212 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), } 213 #define SND_SOC_DAPM_AIF_IN_E(wname, stname, wslot, wreg, wshift, winvert, \ 214 wevent, wflags) \ 215 { .id = snd_soc_dapm_aif_in, .name = wname, .sname = stname, \ 216 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ 217 .event = wevent, .event_flags = wflags } 218 #define SND_SOC_DAPM_AIF_OUT(wname, stname, wslot, wreg, wshift, winvert) \ 219 { .id = snd_soc_dapm_aif_out, .name = wname, .sname = stname, \ 220 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), } 221 #define SND_SOC_DAPM_AIF_OUT_E(wname, stname, wslot, wreg, wshift, winvert, \ 222 wevent, wflags) \ 223 { .id = snd_soc_dapm_aif_out, .name = wname, .sname = stname, \ 224 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ 225 .event = wevent, .event_flags = wflags } 226 #define SND_SOC_DAPM_DAC(wname, stname, wreg, wshift, winvert) \ 227 { .id = snd_soc_dapm_dac, .name = wname, .sname = stname, \ 228 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert) } 229 #define SND_SOC_DAPM_DAC_E(wname, stname, wreg, wshift, winvert, \ 230 wevent, wflags) \ 231 { .id = snd_soc_dapm_dac, .name = wname, .sname = stname, \ 232 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ 233 .event = wevent, .event_flags = wflags} 234 235 #define SND_SOC_DAPM_ADC(wname, stname, wreg, wshift, winvert) \ 236 { .id = snd_soc_dapm_adc, .name = wname, .sname = stname, \ 237 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), } 238 #define SND_SOC_DAPM_ADC_E(wname, stname, wreg, wshift, winvert, \ 239 wevent, wflags) \ 240 { .id = snd_soc_dapm_adc, .name = wname, .sname = stname, \ 241 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ 242 .event = wevent, .event_flags = wflags} 243 #define SND_SOC_DAPM_CLOCK_SUPPLY(wname) \ 244 { .id = snd_soc_dapm_clock_supply, .name = wname, \ 245 .reg = SND_SOC_NOPM, .event = dapm_clock_event, \ 246 .event_flags = SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD } 247 248 /* generic widgets */ 249 #define SND_SOC_DAPM_REG(wid, wname, wreg, wshift, wmask, won_val, woff_val) \ 250 { .id = wid, .name = wname, .kcontrol_news = NULL, .num_kcontrols = 0, \ 251 .reg = wreg, .shift = wshift, .mask = wmask, \ 252 .on_val = won_val, .off_val = woff_val, } 253 #define SND_SOC_DAPM_SUPPLY(wname, wreg, wshift, winvert, wevent, wflags) \ 254 { .id = snd_soc_dapm_supply, .name = wname, \ 255 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ 256 .event = wevent, .event_flags = wflags} 257 #define SND_SOC_DAPM_REGULATOR_SUPPLY(wname, wdelay, wflags) \ 258 { .id = snd_soc_dapm_regulator_supply, .name = wname, \ 259 .reg = SND_SOC_NOPM, .shift = wdelay, .event = dapm_regulator_event, \ 260 .event_flags = SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD, \ 261 .on_val = wflags} 262 263 264 /* dapm kcontrol types */ 265 #define SOC_DAPM_SINGLE(xname, reg, shift, max, invert) \ 266 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 267 .info = snd_soc_info_volsw, \ 268 .get = snd_soc_dapm_get_volsw, .put = snd_soc_dapm_put_volsw, \ 269 .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert, 0) } 270 #define SOC_DAPM_SINGLE_AUTODISABLE(xname, reg, shift, max, invert) \ 271 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 272 .info = snd_soc_info_volsw, \ 273 .get = snd_soc_dapm_get_volsw, .put = snd_soc_dapm_put_volsw, \ 274 .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert, 1) } 275 #define SOC_DAPM_SINGLE_VIRT(xname, max) \ 276 SOC_DAPM_SINGLE(xname, SND_SOC_NOPM, 0, max, 0) 277 #define SOC_DAPM_SINGLE_TLV(xname, reg, shift, max, invert, tlv_array) \ 278 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 279 .info = snd_soc_info_volsw, \ 280 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | SNDRV_CTL_ELEM_ACCESS_READWRITE,\ 281 .tlv.p = (tlv_array), \ 282 .get = snd_soc_dapm_get_volsw, .put = snd_soc_dapm_put_volsw, \ 283 .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert, 0) } 284 #define SOC_DAPM_SINGLE_TLV_AUTODISABLE(xname, reg, shift, max, invert, tlv_array) \ 285 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 286 .info = snd_soc_info_volsw, \ 287 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | SNDRV_CTL_ELEM_ACCESS_READWRITE,\ 288 .tlv.p = (tlv_array), \ 289 .get = snd_soc_dapm_get_volsw, .put = snd_soc_dapm_put_volsw, \ 290 .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert, 0) } 291 #define SOC_DAPM_SINGLE_TLV_VIRT(xname, max, tlv_array) \ 292 SOC_DAPM_SINGLE(xname, SND_SOC_NOPM, 0, max, 0, tlv_array) 293 #define SOC_DAPM_ENUM(xname, xenum) \ 294 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 295 .info = snd_soc_info_enum_double, \ 296 .get = snd_soc_dapm_get_enum_double, \ 297 .put = snd_soc_dapm_put_enum_double, \ 298 .private_value = (unsigned long)&xenum } 299 #define SOC_DAPM_ENUM_EXT(xname, xenum, xget, xput) \ 300 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 301 .info = snd_soc_info_enum_double, \ 302 .get = xget, \ 303 .put = xput, \ 304 .private_value = (unsigned long)&xenum } 305 #define SOC_DAPM_PIN_SWITCH(xname) \ 306 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname " Switch", \ 307 .info = snd_soc_dapm_info_pin_switch, \ 308 .get = snd_soc_dapm_get_pin_switch, \ 309 .put = snd_soc_dapm_put_pin_switch, \ 310 .private_value = (unsigned long)xname } 311 312 /* dapm stream operations */ 313 #define SND_SOC_DAPM_STREAM_NOP 0x0 314 #define SND_SOC_DAPM_STREAM_START 0x1 315 #define SND_SOC_DAPM_STREAM_STOP 0x2 316 #define SND_SOC_DAPM_STREAM_SUSPEND 0x4 317 #define SND_SOC_DAPM_STREAM_RESUME 0x8 318 #define SND_SOC_DAPM_STREAM_PAUSE_PUSH 0x10 319 #define SND_SOC_DAPM_STREAM_PAUSE_RELEASE 0x20 320 321 /* dapm event types */ 322 #define SND_SOC_DAPM_PRE_PMU 0x1 /* before widget power up */ 323 #define SND_SOC_DAPM_POST_PMU 0x2 /* after widget power up */ 324 #define SND_SOC_DAPM_PRE_PMD 0x4 /* before widget power down */ 325 #define SND_SOC_DAPM_POST_PMD 0x8 /* after widget power down */ 326 #define SND_SOC_DAPM_PRE_REG 0x10 /* before audio path setup */ 327 #define SND_SOC_DAPM_POST_REG 0x20 /* after audio path setup */ 328 #define SND_SOC_DAPM_WILL_PMU 0x40 /* called at start of sequence */ 329 #define SND_SOC_DAPM_WILL_PMD 0x80 /* called at start of sequence */ 330 #define SND_SOC_DAPM_PRE_POST_PMD \ 331 (SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD) 332 333 /* convenience event type detection */ 334 #define SND_SOC_DAPM_EVENT_ON(e) \ 335 (e & (SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU)) 336 #define SND_SOC_DAPM_EVENT_OFF(e) \ 337 (e & (SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD)) 338 339 /* regulator widget flags */ 340 #define SND_SOC_DAPM_REGULATOR_BYPASS 0x1 /* bypass when disabled */ 341 342 struct snd_soc_dapm_widget; 343 enum snd_soc_dapm_type; 344 struct snd_soc_dapm_path; 345 struct snd_soc_dapm_pin; 346 struct snd_soc_dapm_route; 347 struct snd_soc_dapm_context; 348 struct regulator; 349 struct snd_soc_dapm_widget_list; 350 struct snd_soc_dapm_update; 351 352 int dapm_regulator_event(struct snd_soc_dapm_widget *w, 353 struct snd_kcontrol *kcontrol, int event); 354 int dapm_clock_event(struct snd_soc_dapm_widget *w, 355 struct snd_kcontrol *kcontrol, int event); 356 357 /* dapm controls */ 358 int snd_soc_dapm_put_volsw(struct snd_kcontrol *kcontrol, 359 struct snd_ctl_elem_value *ucontrol); 360 int snd_soc_dapm_get_volsw(struct snd_kcontrol *kcontrol, 361 struct snd_ctl_elem_value *ucontrol); 362 int snd_soc_dapm_get_enum_double(struct snd_kcontrol *kcontrol, 363 struct snd_ctl_elem_value *ucontrol); 364 int snd_soc_dapm_put_enum_double(struct snd_kcontrol *kcontrol, 365 struct snd_ctl_elem_value *ucontrol); 366 int snd_soc_dapm_info_pin_switch(struct snd_kcontrol *kcontrol, 367 struct snd_ctl_elem_info *uinfo); 368 int snd_soc_dapm_get_pin_switch(struct snd_kcontrol *kcontrol, 369 struct snd_ctl_elem_value *uncontrol); 370 int snd_soc_dapm_put_pin_switch(struct snd_kcontrol *kcontrol, 371 struct snd_ctl_elem_value *uncontrol); 372 int snd_soc_dapm_new_controls(struct snd_soc_dapm_context *dapm, 373 const struct snd_soc_dapm_widget *widget, 374 int num); 375 int snd_soc_dapm_new_dai_widgets(struct snd_soc_dapm_context *dapm, 376 struct snd_soc_dai *dai); 377 int snd_soc_dapm_link_dai_widgets(struct snd_soc_card *card); 378 void snd_soc_dapm_connect_dai_link_widgets(struct snd_soc_card *card); 379 int snd_soc_dapm_new_pcm(struct snd_soc_card *card, 380 const struct snd_soc_pcm_stream *params, 381 struct snd_soc_dapm_widget *source, 382 struct snd_soc_dapm_widget *sink); 383 384 /* dapm path setup */ 385 int snd_soc_dapm_new_widgets(struct snd_soc_card *card); 386 void snd_soc_dapm_free(struct snd_soc_dapm_context *dapm); 387 int snd_soc_dapm_add_routes(struct snd_soc_dapm_context *dapm, 388 const struct snd_soc_dapm_route *route, int num); 389 int snd_soc_dapm_del_routes(struct snd_soc_dapm_context *dapm, 390 const struct snd_soc_dapm_route *route, int num); 391 int snd_soc_dapm_weak_routes(struct snd_soc_dapm_context *dapm, 392 const struct snd_soc_dapm_route *route, int num); 393 394 /* dapm events */ 395 void snd_soc_dapm_stream_event(struct snd_soc_pcm_runtime *rtd, int stream, 396 int event); 397 void snd_soc_dapm_shutdown(struct snd_soc_card *card); 398 399 /* external DAPM widget events */ 400 int snd_soc_dapm_mixer_update_power(struct snd_soc_dapm_context *dapm, 401 struct snd_kcontrol *kcontrol, int connect, 402 struct snd_soc_dapm_update *update); 403 int snd_soc_dapm_mux_update_power(struct snd_soc_dapm_context *dapm, 404 struct snd_kcontrol *kcontrol, int mux, struct soc_enum *e, 405 struct snd_soc_dapm_update *update); 406 407 /* dapm sys fs - used by the core */ 408 int snd_soc_dapm_sys_add(struct device *dev); 409 void snd_soc_dapm_debugfs_init(struct snd_soc_dapm_context *dapm, 410 struct dentry *parent); 411 412 /* dapm audio pin control and status */ 413 int snd_soc_dapm_enable_pin(struct snd_soc_dapm_context *dapm, 414 const char *pin); 415 int snd_soc_dapm_enable_pin_unlocked(struct snd_soc_dapm_context *dapm, 416 const char *pin); 417 int snd_soc_dapm_disable_pin(struct snd_soc_dapm_context *dapm, 418 const char *pin); 419 int snd_soc_dapm_disable_pin_unlocked(struct snd_soc_dapm_context *dapm, 420 const char *pin); 421 int snd_soc_dapm_nc_pin(struct snd_soc_dapm_context *dapm, const char *pin); 422 int snd_soc_dapm_nc_pin_unlocked(struct snd_soc_dapm_context *dapm, 423 const char *pin); 424 int snd_soc_dapm_get_pin_status(struct snd_soc_dapm_context *dapm, 425 const char *pin); 426 int snd_soc_dapm_sync(struct snd_soc_dapm_context *dapm); 427 int snd_soc_dapm_sync_unlocked(struct snd_soc_dapm_context *dapm); 428 int snd_soc_dapm_force_enable_pin(struct snd_soc_dapm_context *dapm, 429 const char *pin); 430 int snd_soc_dapm_force_enable_pin_unlocked(struct snd_soc_dapm_context *dapm, 431 const char *pin); 432 int snd_soc_dapm_ignore_suspend(struct snd_soc_dapm_context *dapm, 433 const char *pin); 434 void snd_soc_dapm_auto_nc_pins(struct snd_soc_card *card); 435 unsigned int dapm_kcontrol_get_value(const struct snd_kcontrol *kcontrol); 436 437 /* Mostly internal - should not normally be used */ 438 void dapm_mark_io_dirty(struct snd_soc_dapm_context *dapm); 439 440 /* dapm path query */ 441 int snd_soc_dapm_dai_get_connected_widgets(struct snd_soc_dai *dai, int stream, 442 struct snd_soc_dapm_widget_list **list); 443 444 struct snd_soc_codec *snd_soc_dapm_kcontrol_codec(struct snd_kcontrol *kcontrol); 445 struct snd_soc_dapm_context *snd_soc_dapm_kcontrol_dapm( 446 struct snd_kcontrol *kcontrol); 447 448 /* dapm widget types */ 449 enum snd_soc_dapm_type { 450 snd_soc_dapm_input = 0, /* input pin */ 451 snd_soc_dapm_output, /* output pin */ 452 snd_soc_dapm_mux, /* selects 1 analog signal from many inputs */ 453 snd_soc_dapm_mixer, /* mixes several analog signals together */ 454 snd_soc_dapm_mixer_named_ctl, /* mixer with named controls */ 455 snd_soc_dapm_pga, /* programmable gain/attenuation (volume) */ 456 snd_soc_dapm_out_drv, /* output driver */ 457 snd_soc_dapm_adc, /* analog to digital converter */ 458 snd_soc_dapm_dac, /* digital to analog converter */ 459 snd_soc_dapm_micbias, /* microphone bias (power) */ 460 snd_soc_dapm_mic, /* microphone */ 461 snd_soc_dapm_hp, /* headphones */ 462 snd_soc_dapm_spk, /* speaker */ 463 snd_soc_dapm_line, /* line input/output */ 464 snd_soc_dapm_switch, /* analog switch */ 465 snd_soc_dapm_vmid, /* codec bias/vmid - to minimise pops */ 466 snd_soc_dapm_pre, /* machine specific pre widget - exec first */ 467 snd_soc_dapm_post, /* machine specific post widget - exec last */ 468 snd_soc_dapm_supply, /* power/clock supply */ 469 snd_soc_dapm_regulator_supply, /* external regulator */ 470 snd_soc_dapm_clock_supply, /* external clock */ 471 snd_soc_dapm_aif_in, /* audio interface input */ 472 snd_soc_dapm_aif_out, /* audio interface output */ 473 snd_soc_dapm_siggen, /* signal generator */ 474 snd_soc_dapm_dai_in, /* link to DAI structure */ 475 snd_soc_dapm_dai_out, 476 snd_soc_dapm_dai_link, /* link between two DAI structures */ 477 snd_soc_dapm_kcontrol, /* Auto-disabled kcontrol */ 478 }; 479 480 enum snd_soc_dapm_subclass { 481 SND_SOC_DAPM_CLASS_INIT = 0, 482 SND_SOC_DAPM_CLASS_RUNTIME = 1, 483 }; 484 485 /* 486 * DAPM audio route definition. 487 * 488 * Defines an audio route originating at source via control and finishing 489 * at sink. 490 */ 491 struct snd_soc_dapm_route { 492 const char *sink; 493 const char *control; 494 const char *source; 495 496 /* Note: currently only supported for links where source is a supply */ 497 int (*connected)(struct snd_soc_dapm_widget *source, 498 struct snd_soc_dapm_widget *sink); 499 }; 500 501 /* dapm audio path between two widgets */ 502 struct snd_soc_dapm_path { 503 const char *name; 504 505 /* source (input) and sink (output) widgets */ 506 struct snd_soc_dapm_widget *source; 507 struct snd_soc_dapm_widget *sink; 508 509 /* status */ 510 u32 connect:1; /* source and sink widgets are connected */ 511 u32 walked:1; /* path has been walked */ 512 u32 walking:1; /* path is in the process of being walked */ 513 u32 weak:1; /* path ignored for power management */ 514 515 int (*connected)(struct snd_soc_dapm_widget *source, 516 struct snd_soc_dapm_widget *sink); 517 518 struct list_head list_source; 519 struct list_head list_sink; 520 struct list_head list_kcontrol; 521 struct list_head list; 522 }; 523 524 /* dapm widget */ 525 struct snd_soc_dapm_widget { 526 enum snd_soc_dapm_type id; 527 const char *name; /* widget name */ 528 const char *sname; /* stream name */ 529 struct snd_soc_codec *codec; 530 struct list_head list; 531 struct snd_soc_dapm_context *dapm; 532 533 void *priv; /* widget specific data */ 534 struct regulator *regulator; /* attached regulator */ 535 const struct snd_soc_pcm_stream *params; /* params for dai links */ 536 537 /* dapm control */ 538 int reg; /* negative reg = no direct dapm */ 539 unsigned char shift; /* bits to shift */ 540 unsigned int mask; /* non-shifted mask */ 541 unsigned int on_val; /* on state value */ 542 unsigned int off_val; /* off state value */ 543 unsigned char power:1; /* block power status */ 544 unsigned char active:1; /* active stream on DAC, ADC's */ 545 unsigned char connected:1; /* connected codec pin */ 546 unsigned char new:1; /* cnew complete */ 547 unsigned char ext:1; /* has external widgets */ 548 unsigned char force:1; /* force state */ 549 unsigned char ignore_suspend:1; /* kept enabled over suspend */ 550 unsigned char new_power:1; /* power from this run */ 551 unsigned char power_checked:1; /* power checked this run */ 552 int subseq; /* sort within widget type */ 553 554 int (*power_check)(struct snd_soc_dapm_widget *w); 555 556 /* external events */ 557 unsigned short event_flags; /* flags to specify event types */ 558 int (*event)(struct snd_soc_dapm_widget*, struct snd_kcontrol *, int); 559 560 /* kcontrols that relate to this widget */ 561 int num_kcontrols; 562 const struct snd_kcontrol_new *kcontrol_news; 563 struct snd_kcontrol **kcontrols; 564 565 /* widget input and outputs */ 566 struct list_head sources; 567 struct list_head sinks; 568 569 /* used during DAPM updates */ 570 struct list_head power_list; 571 struct list_head dirty; 572 int inputs; 573 int outputs; 574 575 struct clk *clk; 576 }; 577 578 struct snd_soc_dapm_update { 579 struct snd_kcontrol *kcontrol; 580 int reg; 581 int mask; 582 int val; 583 }; 584 585 /* DAPM context */ 586 struct snd_soc_dapm_context { 587 enum snd_soc_bias_level bias_level; 588 enum snd_soc_bias_level suspend_bias_level; 589 struct delayed_work delayed_work; 590 unsigned int idle_bias_off:1; /* Use BIAS_OFF instead of STANDBY */ 591 /* Go to BIAS_OFF in suspend if the DAPM context is idle */ 592 unsigned int suspend_bias_off:1; 593 void (*seq_notifier)(struct snd_soc_dapm_context *, 594 enum snd_soc_dapm_type, int); 595 596 struct device *dev; /* from parent - for debug */ 597 struct snd_soc_component *component; /* parent component */ 598 struct snd_soc_card *card; /* parent card */ 599 600 /* used during DAPM updates */ 601 enum snd_soc_bias_level target_bias_level; 602 struct list_head list; 603 604 int (*stream_event)(struct snd_soc_dapm_context *dapm, int event); 605 int (*set_bias_level)(struct snd_soc_dapm_context *dapm, 606 enum snd_soc_bias_level level); 607 608 #ifdef CONFIG_DEBUG_FS 609 struct dentry *debugfs_dapm; 610 #endif 611 }; 612 613 /* A list of widgets associated with an object, typically a snd_kcontrol */ 614 struct snd_soc_dapm_widget_list { 615 int num_widgets; 616 struct snd_soc_dapm_widget *widgets[0]; 617 }; 618 619 struct snd_soc_dapm_stats { 620 int power_checks; 621 int path_checks; 622 int neighbour_checks; 623 }; 624 625 #endif 626