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/device.h> 17 #include <linux/types.h> 18 #include <sound/control.h> 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_INPUT(wname) \ 50 { .id = snd_soc_dapm_input, .name = wname, .kcontrol_news = NULL, \ 51 .num_kcontrols = 0, .reg = SND_SOC_NOPM } 52 #define SND_SOC_DAPM_OUTPUT(wname) \ 53 { .id = snd_soc_dapm_output, .name = wname, .kcontrol_news = NULL, \ 54 .num_kcontrols = 0, .reg = SND_SOC_NOPM } 55 #define SND_SOC_DAPM_MIC(wname, wevent) \ 56 { .id = snd_soc_dapm_mic, .name = wname, .kcontrol_news = NULL, \ 57 .num_kcontrols = 0, .reg = SND_SOC_NOPM, .event = wevent, \ 58 .event_flags = SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD} 59 #define SND_SOC_DAPM_HP(wname, wevent) \ 60 { .id = snd_soc_dapm_hp, .name = wname, .kcontrol_news = NULL, \ 61 .num_kcontrols = 0, .reg = SND_SOC_NOPM, .event = wevent, \ 62 .event_flags = SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD} 63 #define SND_SOC_DAPM_SPK(wname, wevent) \ 64 { .id = snd_soc_dapm_spk, .name = wname, .kcontrol_news = NULL, \ 65 .num_kcontrols = 0, .reg = SND_SOC_NOPM, .event = wevent, \ 66 .event_flags = SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD} 67 #define SND_SOC_DAPM_LINE(wname, wevent) \ 68 { .id = snd_soc_dapm_line, .name = wname, .kcontrol_news = NULL, \ 69 .num_kcontrols = 0, .reg = SND_SOC_NOPM, .event = wevent, \ 70 .event_flags = SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD} 71 72 /* path domain */ 73 #define SND_SOC_DAPM_PGA(wname, wreg, wshift, winvert,\ 74 wcontrols, wncontrols) \ 75 { .id = snd_soc_dapm_pga, .name = wname, .reg = wreg, .shift = wshift, \ 76 .invert = winvert, .kcontrol_news = wcontrols, .num_kcontrols = wncontrols} 77 #define SND_SOC_DAPM_OUT_DRV(wname, wreg, wshift, winvert,\ 78 wcontrols, wncontrols) \ 79 { .id = snd_soc_dapm_out_drv, .name = wname, .reg = wreg, .shift = wshift, \ 80 .invert = winvert, .kcontrol_news = wcontrols, .num_kcontrols = wncontrols} 81 #define SND_SOC_DAPM_MIXER(wname, wreg, wshift, winvert, \ 82 wcontrols, wncontrols)\ 83 { .id = snd_soc_dapm_mixer, .name = wname, .reg = wreg, .shift = wshift, \ 84 .invert = winvert, .kcontrol_news = wcontrols, .num_kcontrols = wncontrols} 85 #define SND_SOC_DAPM_MIXER_NAMED_CTL(wname, wreg, wshift, winvert, \ 86 wcontrols, wncontrols)\ 87 { .id = snd_soc_dapm_mixer_named_ctl, .name = wname, .reg = wreg, \ 88 .shift = wshift, .invert = winvert, .kcontrol_news = wcontrols, \ 89 .num_kcontrols = wncontrols} 90 #define SND_SOC_DAPM_MICBIAS(wname, wreg, wshift, winvert) \ 91 { .id = snd_soc_dapm_micbias, .name = wname, .reg = wreg, .shift = wshift, \ 92 .invert = winvert, .kcontrol_news = NULL, .num_kcontrols = 0} 93 #define SND_SOC_DAPM_SWITCH(wname, wreg, wshift, winvert, wcontrols) \ 94 { .id = snd_soc_dapm_switch, .name = wname, .reg = wreg, .shift = wshift, \ 95 .invert = winvert, .kcontrol_news = wcontrols, .num_kcontrols = 1} 96 #define SND_SOC_DAPM_MUX(wname, wreg, wshift, winvert, wcontrols) \ 97 { .id = snd_soc_dapm_mux, .name = wname, .reg = wreg, .shift = wshift, \ 98 .invert = winvert, .kcontrol_news = wcontrols, .num_kcontrols = 1} 99 #define SND_SOC_DAPM_VIRT_MUX(wname, wreg, wshift, winvert, wcontrols) \ 100 { .id = snd_soc_dapm_virt_mux, .name = wname, .reg = wreg, .shift = wshift, \ 101 .invert = winvert, .kcontrol_news = wcontrols, .num_kcontrols = 1} 102 #define SND_SOC_DAPM_VALUE_MUX(wname, wreg, wshift, winvert, wcontrols) \ 103 { .id = snd_soc_dapm_value_mux, .name = wname, .reg = wreg, \ 104 .shift = wshift, .invert = winvert, .kcontrol_news = wcontrols, \ 105 .num_kcontrols = 1} 106 107 /* Simplified versions of above macros, assuming wncontrols = ARRAY_SIZE(wcontrols) */ 108 #define SOC_PGA_ARRAY(wname, wreg, wshift, winvert,\ 109 wcontrols) \ 110 { .id = snd_soc_dapm_pga, .name = wname, .reg = wreg, .shift = wshift, \ 111 .invert = winvert, .kcontrol_news = wcontrols, .num_kcontrols = ARRAY_SIZE(wcontrols)} 112 #define SOC_MIXER_ARRAY(wname, wreg, wshift, winvert, \ 113 wcontrols)\ 114 { .id = snd_soc_dapm_mixer, .name = wname, .reg = wreg, .shift = wshift, \ 115 .invert = winvert, .kcontrol_news = wcontrols, .num_kcontrols = ARRAY_SIZE(wcontrols)} 116 #define SOC_MIXER_NAMED_CTL_ARRAY(wname, wreg, wshift, winvert, \ 117 wcontrols)\ 118 { .id = snd_soc_dapm_mixer_named_ctl, .name = wname, .reg = wreg, \ 119 .shift = wshift, .invert = winvert, .kcontrol_news = wcontrols, \ 120 .num_kcontrols = ARRAY_SIZE(wcontrols)} 121 122 /* path domain with event - event handler must return 0 for success */ 123 #define SND_SOC_DAPM_PGA_E(wname, wreg, wshift, winvert, wcontrols, \ 124 wncontrols, wevent, wflags) \ 125 { .id = snd_soc_dapm_pga, .name = wname, .reg = wreg, .shift = wshift, \ 126 .invert = winvert, .kcontrol_news = wcontrols, .num_kcontrols = wncontrols, \ 127 .event = wevent, .event_flags = wflags} 128 #define SND_SOC_DAPM_OUT_DRV_E(wname, wreg, wshift, winvert, wcontrols, \ 129 wncontrols, wevent, wflags) \ 130 { .id = snd_soc_dapm_out_drv, .name = wname, .reg = wreg, .shift = wshift, \ 131 .invert = winvert, .kcontrol_news = wcontrols, .num_kcontrols = wncontrols, \ 132 .event = wevent, .event_flags = wflags} 133 #define SND_SOC_DAPM_MIXER_E(wname, wreg, wshift, winvert, wcontrols, \ 134 wncontrols, wevent, wflags) \ 135 { .id = snd_soc_dapm_mixer, .name = wname, .reg = wreg, .shift = wshift, \ 136 .invert = winvert, .kcontrol_news = wcontrols, .num_kcontrols = wncontrols, \ 137 .event = wevent, .event_flags = wflags} 138 #define SND_SOC_DAPM_MIXER_NAMED_CTL_E(wname, wreg, wshift, winvert, \ 139 wcontrols, wncontrols, wevent, wflags) \ 140 { .id = snd_soc_dapm_mixer, .name = wname, .reg = wreg, .shift = wshift, \ 141 .invert = winvert, .kcontrol_news = wcontrols, \ 142 .num_kcontrols = wncontrols, .event = wevent, .event_flags = wflags} 143 #define SND_SOC_DAPM_MICBIAS_E(wname, wreg, wshift, winvert, wevent, wflags) \ 144 { .id = snd_soc_dapm_micbias, .name = wname, .reg = wreg, .shift = wshift, \ 145 .invert = winvert, .kcontrol_news = NULL, .num_kcontrols = 0, \ 146 .event = wevent, .event_flags = wflags} 147 #define SND_SOC_DAPM_SWITCH_E(wname, wreg, wshift, winvert, wcontrols, \ 148 wevent, wflags) \ 149 { .id = snd_soc_dapm_switch, .name = wname, .reg = wreg, .shift = wshift, \ 150 .invert = winvert, .kcontrol_news = wcontrols, .num_kcontrols = 1, \ 151 .event = wevent, .event_flags = wflags} 152 #define SND_SOC_DAPM_MUX_E(wname, wreg, wshift, winvert, wcontrols, \ 153 wevent, wflags) \ 154 { .id = snd_soc_dapm_mux, .name = wname, .reg = wreg, .shift = wshift, \ 155 .invert = winvert, .kcontrol_news = wcontrols, .num_kcontrols = 1, \ 156 .event = wevent, .event_flags = wflags} 157 #define SND_SOC_DAPM_VIRT_MUX_E(wname, wreg, wshift, winvert, wcontrols, \ 158 wevent, wflags) \ 159 { .id = snd_soc_dapm_virt_mux, .name = wname, .reg = wreg, .shift = wshift, \ 160 .invert = winvert, .kcontrol_news = wcontrols, .num_kcontrols = 1, \ 161 .event = wevent, .event_flags = wflags} 162 163 /* additional sequencing control within an event type */ 164 #define SND_SOC_DAPM_PGA_S(wname, wsubseq, wreg, wshift, winvert, \ 165 wevent, wflags) \ 166 { .id = snd_soc_dapm_pga, .name = wname, .reg = wreg, .shift = wshift, \ 167 .invert = winvert, .event = wevent, .event_flags = wflags, \ 168 .subseq = wsubseq} 169 #define SND_SOC_DAPM_SUPPLY_S(wname, wsubseq, wreg, wshift, winvert, wevent, \ 170 wflags) \ 171 { .id = snd_soc_dapm_supply, .name = wname, .reg = wreg, \ 172 .shift = wshift, .invert = winvert, .event = wevent, \ 173 .event_flags = wflags, .subseq = wsubseq} 174 175 /* Simplified versions of above macros, assuming wncontrols = ARRAY_SIZE(wcontrols) */ 176 #define SOC_PGA_E_ARRAY(wname, wreg, wshift, winvert, wcontrols, \ 177 wevent, wflags) \ 178 { .id = snd_soc_dapm_pga, .name = wname, .reg = wreg, .shift = wshift, \ 179 .invert = winvert, .kcontrol_news = wcontrols, .num_kcontrols = ARRAY_SIZE(wcontrols), \ 180 .event = wevent, .event_flags = wflags} 181 #define SOC_MIXER_E_ARRAY(wname, wreg, wshift, winvert, wcontrols, \ 182 wevent, wflags) \ 183 { .id = snd_soc_dapm_mixer, .name = wname, .reg = wreg, .shift = wshift, \ 184 .invert = winvert, .kcontrol_news = wcontrols, .num_kcontrols = ARRAY_SIZE(wcontrols), \ 185 .event = wevent, .event_flags = wflags} 186 #define SOC_MIXER_NAMED_CTL_E_ARRAY(wname, wreg, wshift, winvert, \ 187 wcontrols, wevent, wflags) \ 188 { .id = snd_soc_dapm_mixer, .name = wname, .reg = wreg, .shift = wshift, \ 189 .invert = winvert, .kcontrol_news = wcontrols, \ 190 .num_kcontrols = ARRAY_SIZE(wcontrols), .event = wevent, .event_flags = wflags} 191 192 /* events that are pre and post DAPM */ 193 #define SND_SOC_DAPM_PRE(wname, wevent) \ 194 { .id = snd_soc_dapm_pre, .name = wname, .kcontrol_news = NULL, \ 195 .num_kcontrols = 0, .reg = SND_SOC_NOPM, .event = wevent, \ 196 .event_flags = SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD} 197 #define SND_SOC_DAPM_POST(wname, wevent) \ 198 { .id = snd_soc_dapm_post, .name = wname, .kcontrol_news = NULL, \ 199 .num_kcontrols = 0, .reg = SND_SOC_NOPM, .event = wevent, \ 200 .event_flags = SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD} 201 202 /* stream domain */ 203 #define SND_SOC_DAPM_AIF_IN(wname, stname, wslot, wreg, wshift, winvert) \ 204 { .id = snd_soc_dapm_aif_in, .name = wname, .sname = stname, \ 205 .reg = wreg, .shift = wshift, .invert = winvert } 206 #define SND_SOC_DAPM_AIF_IN_E(wname, stname, wslot, wreg, wshift, winvert, \ 207 wevent, wflags) \ 208 { .id = snd_soc_dapm_aif_in, .name = wname, .sname = stname, \ 209 .reg = wreg, .shift = wshift, .invert = winvert, \ 210 .event = wevent, .event_flags = wflags } 211 #define SND_SOC_DAPM_AIF_OUT(wname, stname, wslot, wreg, wshift, winvert) \ 212 { .id = snd_soc_dapm_aif_out, .name = wname, .sname = stname, \ 213 .reg = wreg, .shift = wshift, .invert = winvert } 214 #define SND_SOC_DAPM_AIF_OUT_E(wname, stname, wslot, wreg, wshift, winvert, \ 215 wevent, wflags) \ 216 { .id = snd_soc_dapm_aif_out, .name = wname, .sname = stname, \ 217 .reg = wreg, .shift = wshift, .invert = winvert, \ 218 .event = wevent, .event_flags = wflags } 219 #define SND_SOC_DAPM_DAC(wname, stname, wreg, wshift, winvert) \ 220 { .id = snd_soc_dapm_dac, .name = wname, .sname = stname, .reg = wreg, \ 221 .shift = wshift, .invert = winvert} 222 #define SND_SOC_DAPM_DAC_E(wname, stname, wreg, wshift, winvert, \ 223 wevent, wflags) \ 224 { .id = snd_soc_dapm_dac, .name = wname, .sname = stname, .reg = wreg, \ 225 .shift = wshift, .invert = winvert, \ 226 .event = wevent, .event_flags = wflags} 227 #define SND_SOC_DAPM_ADC(wname, stname, wreg, wshift, winvert) \ 228 { .id = snd_soc_dapm_adc, .name = wname, .sname = stname, .reg = wreg, \ 229 .shift = wshift, .invert = winvert} 230 #define SND_SOC_DAPM_ADC_E(wname, stname, wreg, wshift, winvert, \ 231 wevent, wflags) \ 232 { .id = snd_soc_dapm_adc, .name = wname, .sname = stname, .reg = wreg, \ 233 .shift = wshift, .invert = winvert, \ 234 .event = wevent, .event_flags = wflags} 235 236 /* generic widgets */ 237 #define SND_SOC_DAPM_REG(wid, wname, wreg, wshift, wmask, won_val, woff_val) \ 238 { .id = wid, .name = wname, .kcontrol_news = NULL, .num_kcontrols = 0, \ 239 .reg = -((wreg) + 1), .shift = wshift, .mask = wmask, \ 240 .on_val = won_val, .off_val = woff_val, .event = dapm_reg_event, \ 241 .event_flags = SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD} 242 #define SND_SOC_DAPM_SUPPLY(wname, wreg, wshift, winvert, wevent, wflags) \ 243 { .id = snd_soc_dapm_supply, .name = wname, .reg = wreg, \ 244 .shift = wshift, .invert = winvert, .event = wevent, \ 245 .event_flags = wflags} 246 247 /* dapm kcontrol types */ 248 #define SOC_DAPM_SINGLE(xname, reg, shift, max, invert) \ 249 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 250 .info = snd_soc_info_volsw, \ 251 .get = snd_soc_dapm_get_volsw, .put = snd_soc_dapm_put_volsw, \ 252 .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert) } 253 #define SOC_DAPM_SINGLE_TLV(xname, reg, shift, max, invert, tlv_array) \ 254 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 255 .info = snd_soc_info_volsw, \ 256 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | SNDRV_CTL_ELEM_ACCESS_READWRITE,\ 257 .tlv.p = (tlv_array), \ 258 .get = snd_soc_dapm_get_volsw, .put = snd_soc_dapm_put_volsw, \ 259 .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert) } 260 #define SOC_DAPM_ENUM(xname, xenum) \ 261 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 262 .info = snd_soc_info_enum_double, \ 263 .get = snd_soc_dapm_get_enum_double, \ 264 .put = snd_soc_dapm_put_enum_double, \ 265 .private_value = (unsigned long)&xenum } 266 #define SOC_DAPM_ENUM_VIRT(xname, xenum) \ 267 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 268 .info = snd_soc_info_enum_double, \ 269 .get = snd_soc_dapm_get_enum_virt, \ 270 .put = snd_soc_dapm_put_enum_virt, \ 271 .private_value = (unsigned long)&xenum } 272 #define SOC_DAPM_ENUM_EXT(xname, xenum, xget, xput) \ 273 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 274 .info = snd_soc_info_enum_double, \ 275 .get = xget, \ 276 .put = xput, \ 277 .private_value = (unsigned long)&xenum } 278 #define SOC_DAPM_VALUE_ENUM(xname, xenum) \ 279 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 280 .info = snd_soc_info_enum_double, \ 281 .get = snd_soc_dapm_get_value_enum_double, \ 282 .put = snd_soc_dapm_put_value_enum_double, \ 283 .private_value = (unsigned long)&xenum } 284 #define SOC_DAPM_PIN_SWITCH(xname) \ 285 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname " Switch", \ 286 .info = snd_soc_dapm_info_pin_switch, \ 287 .get = snd_soc_dapm_get_pin_switch, \ 288 .put = snd_soc_dapm_put_pin_switch, \ 289 .private_value = (unsigned long)xname } 290 291 /* dapm stream operations */ 292 #define SND_SOC_DAPM_STREAM_NOP 0x0 293 #define SND_SOC_DAPM_STREAM_START 0x1 294 #define SND_SOC_DAPM_STREAM_STOP 0x2 295 #define SND_SOC_DAPM_STREAM_SUSPEND 0x4 296 #define SND_SOC_DAPM_STREAM_RESUME 0x8 297 #define SND_SOC_DAPM_STREAM_PAUSE_PUSH 0x10 298 #define SND_SOC_DAPM_STREAM_PAUSE_RELEASE 0x20 299 300 /* dapm event types */ 301 #define SND_SOC_DAPM_PRE_PMU 0x1 /* before widget power up */ 302 #define SND_SOC_DAPM_POST_PMU 0x2 /* after widget power up */ 303 #define SND_SOC_DAPM_PRE_PMD 0x4 /* before widget power down */ 304 #define SND_SOC_DAPM_POST_PMD 0x8 /* after widget power down */ 305 #define SND_SOC_DAPM_PRE_REG 0x10 /* before audio path setup */ 306 #define SND_SOC_DAPM_POST_REG 0x20 /* after audio path setup */ 307 #define SND_SOC_DAPM_PRE_POST_PMD \ 308 (SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD) 309 310 /* convenience event type detection */ 311 #define SND_SOC_DAPM_EVENT_ON(e) \ 312 (e & (SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU)) 313 #define SND_SOC_DAPM_EVENT_OFF(e) \ 314 (e & (SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD)) 315 316 struct snd_soc_dapm_widget; 317 enum snd_soc_dapm_type; 318 struct snd_soc_dapm_path; 319 struct snd_soc_dapm_pin; 320 struct snd_soc_dapm_route; 321 struct snd_soc_dapm_context; 322 323 int dapm_reg_event(struct snd_soc_dapm_widget *w, 324 struct snd_kcontrol *kcontrol, int event); 325 326 /* dapm controls */ 327 int snd_soc_dapm_put_volsw(struct snd_kcontrol *kcontrol, 328 struct snd_ctl_elem_value *ucontrol); 329 int snd_soc_dapm_get_volsw(struct snd_kcontrol *kcontrol, 330 struct snd_ctl_elem_value *ucontrol); 331 int snd_soc_dapm_get_enum_double(struct snd_kcontrol *kcontrol, 332 struct snd_ctl_elem_value *ucontrol); 333 int snd_soc_dapm_put_enum_double(struct snd_kcontrol *kcontrol, 334 struct snd_ctl_elem_value *ucontrol); 335 int snd_soc_dapm_get_enum_virt(struct snd_kcontrol *kcontrol, 336 struct snd_ctl_elem_value *ucontrol); 337 int snd_soc_dapm_put_enum_virt(struct snd_kcontrol *kcontrol, 338 struct snd_ctl_elem_value *ucontrol); 339 int snd_soc_dapm_get_value_enum_double(struct snd_kcontrol *kcontrol, 340 struct snd_ctl_elem_value *ucontrol); 341 int snd_soc_dapm_put_value_enum_double(struct snd_kcontrol *kcontrol, 342 struct snd_ctl_elem_value *ucontrol); 343 int snd_soc_dapm_info_pin_switch(struct snd_kcontrol *kcontrol, 344 struct snd_ctl_elem_info *uinfo); 345 int snd_soc_dapm_get_pin_switch(struct snd_kcontrol *kcontrol, 346 struct snd_ctl_elem_value *uncontrol); 347 int snd_soc_dapm_put_pin_switch(struct snd_kcontrol *kcontrol, 348 struct snd_ctl_elem_value *uncontrol); 349 int snd_soc_dapm_new_control(struct snd_soc_dapm_context *dapm, 350 const struct snd_soc_dapm_widget *widget); 351 int snd_soc_dapm_new_controls(struct snd_soc_dapm_context *dapm, 352 const struct snd_soc_dapm_widget *widget, 353 int num); 354 355 /* dapm path setup */ 356 int snd_soc_dapm_new_widgets(struct snd_soc_dapm_context *dapm); 357 void snd_soc_dapm_free(struct snd_soc_dapm_context *dapm); 358 int snd_soc_dapm_add_routes(struct snd_soc_dapm_context *dapm, 359 const struct snd_soc_dapm_route *route, int num); 360 int snd_soc_dapm_weak_routes(struct snd_soc_dapm_context *dapm, 361 const struct snd_soc_dapm_route *route, int num); 362 363 /* dapm events */ 364 int snd_soc_dapm_stream_event(struct snd_soc_pcm_runtime *rtd, 365 const char *stream, int event); 366 void snd_soc_dapm_shutdown(struct snd_soc_card *card); 367 368 /* dapm sys fs - used by the core */ 369 int snd_soc_dapm_sys_add(struct device *dev); 370 void snd_soc_dapm_debugfs_init(struct snd_soc_dapm_context *dapm, 371 struct dentry *parent); 372 373 /* dapm audio pin control and status */ 374 int snd_soc_dapm_enable_pin(struct snd_soc_dapm_context *dapm, 375 const char *pin); 376 int snd_soc_dapm_disable_pin(struct snd_soc_dapm_context *dapm, 377 const char *pin); 378 int snd_soc_dapm_nc_pin(struct snd_soc_dapm_context *dapm, const char *pin); 379 int snd_soc_dapm_get_pin_status(struct snd_soc_dapm_context *dapm, 380 const char *pin); 381 int snd_soc_dapm_sync(struct snd_soc_dapm_context *dapm); 382 int snd_soc_dapm_force_enable_pin(struct snd_soc_dapm_context *dapm, 383 const char *pin); 384 int snd_soc_dapm_ignore_suspend(struct snd_soc_dapm_context *dapm, 385 const char *pin); 386 void snd_soc_dapm_auto_nc_codec_pins(struct snd_soc_codec *codec); 387 388 /* Mostly internal - should not normally be used */ 389 void dapm_mark_dirty(struct snd_soc_dapm_widget *w, const char *reason); 390 391 /* dapm widget types */ 392 enum snd_soc_dapm_type { 393 snd_soc_dapm_input = 0, /* input pin */ 394 snd_soc_dapm_output, /* output pin */ 395 snd_soc_dapm_mux, /* selects 1 analog signal from many inputs */ 396 snd_soc_dapm_virt_mux, /* virtual version of snd_soc_dapm_mux */ 397 snd_soc_dapm_value_mux, /* selects 1 analog signal from many inputs */ 398 snd_soc_dapm_mixer, /* mixes several analog signals together */ 399 snd_soc_dapm_mixer_named_ctl, /* mixer with named controls */ 400 snd_soc_dapm_pga, /* programmable gain/attenuation (volume) */ 401 snd_soc_dapm_out_drv, /* output driver */ 402 snd_soc_dapm_adc, /* analog to digital converter */ 403 snd_soc_dapm_dac, /* digital to analog converter */ 404 snd_soc_dapm_micbias, /* microphone bias (power) */ 405 snd_soc_dapm_mic, /* microphone */ 406 snd_soc_dapm_hp, /* headphones */ 407 snd_soc_dapm_spk, /* speaker */ 408 snd_soc_dapm_line, /* line input/output */ 409 snd_soc_dapm_switch, /* analog switch */ 410 snd_soc_dapm_vmid, /* codec bias/vmid - to minimise pops */ 411 snd_soc_dapm_pre, /* machine specific pre widget - exec first */ 412 snd_soc_dapm_post, /* machine specific post widget - exec last */ 413 snd_soc_dapm_supply, /* power/clock supply */ 414 snd_soc_dapm_aif_in, /* audio interface input */ 415 snd_soc_dapm_aif_out, /* audio interface output */ 416 snd_soc_dapm_siggen, /* signal generator */ 417 }; 418 419 /* 420 * DAPM audio route definition. 421 * 422 * Defines an audio route originating at source via control and finishing 423 * at sink. 424 */ 425 struct snd_soc_dapm_route { 426 const char *sink; 427 const char *control; 428 const char *source; 429 430 /* Note: currently only supported for links where source is a supply */ 431 int (*connected)(struct snd_soc_dapm_widget *source, 432 struct snd_soc_dapm_widget *sink); 433 }; 434 435 /* dapm audio path between two widgets */ 436 struct snd_soc_dapm_path { 437 char *name; 438 char *long_name; 439 440 /* source (input) and sink (output) widgets */ 441 struct snd_soc_dapm_widget *source; 442 struct snd_soc_dapm_widget *sink; 443 struct snd_kcontrol *kcontrol; 444 445 /* status */ 446 u32 connect:1; /* source and sink widgets are connected */ 447 u32 walked:1; /* path has been walked */ 448 u32 weak:1; /* path ignored for power management */ 449 450 int (*connected)(struct snd_soc_dapm_widget *source, 451 struct snd_soc_dapm_widget *sink); 452 453 struct list_head list_source; 454 struct list_head list_sink; 455 struct list_head list; 456 }; 457 458 /* dapm widget */ 459 struct snd_soc_dapm_widget { 460 enum snd_soc_dapm_type id; 461 char *name; /* widget name */ 462 char *sname; /* stream name */ 463 struct snd_soc_codec *codec; 464 struct snd_soc_platform *platform; 465 struct list_head list; 466 struct snd_soc_dapm_context *dapm; 467 468 /* dapm control */ 469 short reg; /* negative reg = no direct dapm */ 470 unsigned char shift; /* bits to shift */ 471 unsigned int saved_value; /* widget saved value */ 472 unsigned int value; /* widget current value */ 473 unsigned int mask; /* non-shifted mask */ 474 unsigned int on_val; /* on state value */ 475 unsigned int off_val; /* off state value */ 476 unsigned char power:1; /* block power status */ 477 unsigned char invert:1; /* invert the power bit */ 478 unsigned char active:1; /* active stream on DAC, ADC's */ 479 unsigned char connected:1; /* connected codec pin */ 480 unsigned char new:1; /* cnew complete */ 481 unsigned char ext:1; /* has external widgets */ 482 unsigned char force:1; /* force state */ 483 unsigned char ignore_suspend:1; /* kept enabled over suspend */ 484 unsigned char new_power:1; /* power from this run */ 485 unsigned char power_checked:1; /* power checked this run */ 486 int subseq; /* sort within widget type */ 487 488 int (*power_check)(struct snd_soc_dapm_widget *w); 489 490 /* external events */ 491 unsigned short event_flags; /* flags to specify event types */ 492 int (*event)(struct snd_soc_dapm_widget*, struct snd_kcontrol *, int); 493 494 /* kcontrols that relate to this widget */ 495 int num_kcontrols; 496 const struct snd_kcontrol_new *kcontrol_news; 497 struct snd_kcontrol **kcontrols; 498 499 /* widget input and outputs */ 500 struct list_head sources; 501 struct list_head sinks; 502 503 /* used during DAPM updates */ 504 struct list_head power_list; 505 struct list_head dirty; 506 int inputs; 507 int outputs; 508 }; 509 510 struct snd_soc_dapm_update { 511 struct snd_soc_dapm_widget *widget; 512 struct snd_kcontrol *kcontrol; 513 int reg; 514 int mask; 515 int val; 516 }; 517 518 /* DAPM context */ 519 struct snd_soc_dapm_context { 520 int n_widgets; /* number of widgets in this context */ 521 enum snd_soc_bias_level bias_level; 522 enum snd_soc_bias_level suspend_bias_level; 523 struct delayed_work delayed_work; 524 unsigned int idle_bias_off:1; /* Use BIAS_OFF instead of STANDBY */ 525 526 struct snd_soc_dapm_update *update; 527 528 void (*seq_notifier)(struct snd_soc_dapm_context *, 529 enum snd_soc_dapm_type, int); 530 531 struct device *dev; /* from parent - for debug */ 532 struct snd_soc_codec *codec; /* parent codec */ 533 struct snd_soc_platform *platform; /* parent platform */ 534 struct snd_soc_card *card; /* parent card */ 535 536 /* used during DAPM updates */ 537 enum snd_soc_bias_level target_bias_level; 538 struct list_head list; 539 540 int (*stream_event)(struct snd_soc_dapm_context *dapm, int event); 541 542 #ifdef CONFIG_DEBUG_FS 543 struct dentry *debugfs_dapm; 544 #endif 545 }; 546 547 /* A list of widgets associated with an object, typically a snd_kcontrol */ 548 struct snd_soc_dapm_widget_list { 549 int num_widgets; 550 struct snd_soc_dapm_widget *widgets[0]; 551 }; 552 553 struct snd_soc_dapm_stats { 554 int power_checks; 555 int path_checks; 556 int neighbour_checks; 557 }; 558 559 #endif 560