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_INPUT(wname) \ 47 { .id = snd_soc_dapm_input, .name = wname, .kcontrol_news = NULL, \ 48 .num_kcontrols = 0, .reg = SND_SOC_NOPM } 49 #define SND_SOC_DAPM_OUTPUT(wname) \ 50 { .id = snd_soc_dapm_output, .name = wname, .kcontrol_news = NULL, \ 51 .num_kcontrols = 0, .reg = SND_SOC_NOPM } 52 #define SND_SOC_DAPM_MIC(wname, wevent) \ 53 { .id = snd_soc_dapm_mic, .name = wname, .kcontrol_news = NULL, \ 54 .num_kcontrols = 0, .reg = SND_SOC_NOPM, .event = wevent, \ 55 .event_flags = SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD} 56 #define SND_SOC_DAPM_HP(wname, wevent) \ 57 { .id = snd_soc_dapm_hp, .name = wname, .kcontrol_news = NULL, \ 58 .num_kcontrols = 0, .reg = SND_SOC_NOPM, .event = wevent, \ 59 .event_flags = SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD} 60 #define SND_SOC_DAPM_SPK(wname, wevent) \ 61 { .id = snd_soc_dapm_spk, .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_LINE(wname, wevent) \ 65 { .id = snd_soc_dapm_line, .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 69 /* path domain */ 70 #define SND_SOC_DAPM_PGA(wname, wreg, wshift, winvert,\ 71 wcontrols, wncontrols) \ 72 { .id = snd_soc_dapm_pga, .name = wname, .reg = wreg, .shift = wshift, \ 73 .invert = winvert, .kcontrol_news = wcontrols, .num_kcontrols = wncontrols} 74 #define SND_SOC_DAPM_OUT_DRV(wname, wreg, wshift, winvert,\ 75 wcontrols, wncontrols) \ 76 { .id = snd_soc_dapm_out_drv, .name = wname, .reg = wreg, .shift = wshift, \ 77 .invert = winvert, .kcontrol_news = wcontrols, .num_kcontrols = wncontrols} 78 #define SND_SOC_DAPM_MIXER(wname, wreg, wshift, winvert, \ 79 wcontrols, wncontrols)\ 80 { .id = snd_soc_dapm_mixer, .name = wname, .reg = wreg, .shift = wshift, \ 81 .invert = winvert, .kcontrol_news = wcontrols, .num_kcontrols = wncontrols} 82 #define SND_SOC_DAPM_MIXER_NAMED_CTL(wname, wreg, wshift, winvert, \ 83 wcontrols, wncontrols)\ 84 { .id = snd_soc_dapm_mixer_named_ctl, .name = wname, .reg = wreg, \ 85 .shift = wshift, .invert = winvert, .kcontrol_news = wcontrols, \ 86 .num_kcontrols = wncontrols} 87 #define SND_SOC_DAPM_MICBIAS(wname, wreg, wshift, winvert) \ 88 { .id = snd_soc_dapm_micbias, .name = wname, .reg = wreg, .shift = wshift, \ 89 .invert = winvert, .kcontrol_news = NULL, .num_kcontrols = 0} 90 #define SND_SOC_DAPM_SWITCH(wname, wreg, wshift, winvert, wcontrols) \ 91 { .id = snd_soc_dapm_switch, .name = wname, .reg = wreg, .shift = wshift, \ 92 .invert = winvert, .kcontrol_news = wcontrols, .num_kcontrols = 1} 93 #define SND_SOC_DAPM_MUX(wname, wreg, wshift, winvert, wcontrols) \ 94 { .id = snd_soc_dapm_mux, .name = wname, .reg = wreg, .shift = wshift, \ 95 .invert = winvert, .kcontrol_news = wcontrols, .num_kcontrols = 1} 96 #define SND_SOC_DAPM_VIRT_MUX(wname, wreg, wshift, winvert, wcontrols) \ 97 { .id = snd_soc_dapm_virt_mux, .name = wname, .reg = wreg, .shift = wshift, \ 98 .invert = winvert, .kcontrol_news = wcontrols, .num_kcontrols = 1} 99 #define SND_SOC_DAPM_VALUE_MUX(wname, wreg, wshift, winvert, wcontrols) \ 100 { .id = snd_soc_dapm_value_mux, .name = wname, .reg = wreg, \ 101 .shift = wshift, .invert = winvert, .kcontrol_news = wcontrols, \ 102 .num_kcontrols = 1} 103 104 /* Simplified versions of above macros, assuming wncontrols = ARRAY_SIZE(wcontrols) */ 105 #define SOC_PGA_ARRAY(wname, wreg, wshift, winvert,\ 106 wcontrols) \ 107 { .id = snd_soc_dapm_pga, .name = wname, .reg = wreg, .shift = wshift, \ 108 .invert = winvert, .kcontrol_news = wcontrols, .num_kcontrols = ARRAY_SIZE(wcontrols)} 109 #define SOC_MIXER_ARRAY(wname, wreg, wshift, winvert, \ 110 wcontrols)\ 111 { .id = snd_soc_dapm_mixer, .name = wname, .reg = wreg, .shift = wshift, \ 112 .invert = winvert, .kcontrol_news = wcontrols, .num_kcontrols = ARRAY_SIZE(wcontrols)} 113 #define SOC_MIXER_NAMED_CTL_ARRAY(wname, wreg, wshift, winvert, \ 114 wcontrols)\ 115 { .id = snd_soc_dapm_mixer_named_ctl, .name = wname, .reg = wreg, \ 116 .shift = wshift, .invert = winvert, .kcontrol_news = wcontrols, \ 117 .num_kcontrols = ARRAY_SIZE(wcontrols)} 118 119 /* path domain with event - event handler must return 0 for success */ 120 #define SND_SOC_DAPM_PGA_E(wname, wreg, wshift, winvert, wcontrols, \ 121 wncontrols, wevent, wflags) \ 122 { .id = snd_soc_dapm_pga, .name = wname, .reg = wreg, .shift = wshift, \ 123 .invert = winvert, .kcontrol_news = wcontrols, .num_kcontrols = wncontrols, \ 124 .event = wevent, .event_flags = wflags} 125 #define SND_SOC_DAPM_OUT_DRV_E(wname, wreg, wshift, winvert, wcontrols, \ 126 wncontrols, wevent, wflags) \ 127 { .id = snd_soc_dapm_out_drv, .name = wname, .reg = wreg, .shift = wshift, \ 128 .invert = winvert, .kcontrol_news = wcontrols, .num_kcontrols = wncontrols, \ 129 .event = wevent, .event_flags = wflags} 130 #define SND_SOC_DAPM_MIXER_E(wname, wreg, wshift, winvert, wcontrols, \ 131 wncontrols, wevent, wflags) \ 132 { .id = snd_soc_dapm_mixer, .name = wname, .reg = wreg, .shift = wshift, \ 133 .invert = winvert, .kcontrol_news = wcontrols, .num_kcontrols = wncontrols, \ 134 .event = wevent, .event_flags = wflags} 135 #define SND_SOC_DAPM_MIXER_NAMED_CTL_E(wname, wreg, wshift, winvert, \ 136 wcontrols, wncontrols, wevent, wflags) \ 137 { .id = snd_soc_dapm_mixer, .name = wname, .reg = wreg, .shift = wshift, \ 138 .invert = winvert, .kcontrol_news = wcontrols, \ 139 .num_kcontrols = wncontrols, .event = wevent, .event_flags = wflags} 140 #define SND_SOC_DAPM_MICBIAS_E(wname, wreg, wshift, winvert, wevent, wflags) \ 141 { .id = snd_soc_dapm_micbias, .name = wname, .reg = wreg, .shift = wshift, \ 142 .invert = winvert, .kcontrol_news = NULL, .num_kcontrols = 0, \ 143 .event = wevent, .event_flags = wflags} 144 #define SND_SOC_DAPM_SWITCH_E(wname, wreg, wshift, winvert, wcontrols, \ 145 wevent, wflags) \ 146 { .id = snd_soc_dapm_switch, .name = wname, .reg = wreg, .shift = wshift, \ 147 .invert = winvert, .kcontrol_news = wcontrols, .num_kcontrols = 1, \ 148 .event = wevent, .event_flags = wflags} 149 #define SND_SOC_DAPM_MUX_E(wname, wreg, wshift, winvert, wcontrols, \ 150 wevent, wflags) \ 151 { .id = snd_soc_dapm_mux, .name = wname, .reg = wreg, .shift = wshift, \ 152 .invert = winvert, .kcontrol_news = wcontrols, .num_kcontrols = 1, \ 153 .event = wevent, .event_flags = wflags} 154 #define SND_SOC_DAPM_VIRT_MUX_E(wname, wreg, wshift, winvert, wcontrols, \ 155 wevent, wflags) \ 156 { .id = snd_soc_dapm_virt_mux, .name = wname, .reg = wreg, .shift = wshift, \ 157 .invert = winvert, .kcontrol_news = wcontrols, .num_kcontrols = 1, \ 158 .event = wevent, .event_flags = wflags} 159 160 /* additional sequencing control within an event type */ 161 #define SND_SOC_DAPM_PGA_S(wname, wsubseq, wreg, wshift, winvert, \ 162 wevent, wflags) \ 163 { .id = snd_soc_dapm_pga, .name = wname, .reg = wreg, .shift = wshift, \ 164 .invert = winvert, .event = wevent, .event_flags = wflags, \ 165 .subseq = wsubseq} 166 #define SND_SOC_DAPM_SUPPLY_S(wname, wsubseq, wreg, wshift, winvert, wevent, \ 167 wflags) \ 168 { .id = snd_soc_dapm_supply, .name = wname, .reg = wreg, \ 169 .shift = wshift, .invert = winvert, .event = wevent, \ 170 .event_flags = wflags, .subseq = wsubseq} 171 172 /* Simplified versions of above macros, assuming wncontrols = ARRAY_SIZE(wcontrols) */ 173 #define SOC_PGA_E_ARRAY(wname, wreg, wshift, winvert, wcontrols, \ 174 wevent, wflags) \ 175 { .id = snd_soc_dapm_pga, .name = wname, .reg = wreg, .shift = wshift, \ 176 .invert = winvert, .kcontrol_news = wcontrols, .num_kcontrols = ARRAY_SIZE(wcontrols), \ 177 .event = wevent, .event_flags = wflags} 178 #define SOC_MIXER_E_ARRAY(wname, wreg, wshift, winvert, wcontrols, \ 179 wevent, wflags) \ 180 { .id = snd_soc_dapm_mixer, .name = wname, .reg = wreg, .shift = wshift, \ 181 .invert = winvert, .kcontrol_news = wcontrols, .num_kcontrols = ARRAY_SIZE(wcontrols), \ 182 .event = wevent, .event_flags = wflags} 183 #define SOC_MIXER_NAMED_CTL_E_ARRAY(wname, wreg, wshift, winvert, \ 184 wcontrols, wevent, wflags) \ 185 { .id = snd_soc_dapm_mixer, .name = wname, .reg = wreg, .shift = wshift, \ 186 .invert = winvert, .kcontrol_news = wcontrols, \ 187 .num_kcontrols = ARRAY_SIZE(wcontrols), .event = wevent, .event_flags = wflags} 188 189 /* events that are pre and post DAPM */ 190 #define SND_SOC_DAPM_PRE(wname, wevent) \ 191 { .id = snd_soc_dapm_pre, .name = wname, .kcontrol_news = NULL, \ 192 .num_kcontrols = 0, .reg = SND_SOC_NOPM, .event = wevent, \ 193 .event_flags = SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD} 194 #define SND_SOC_DAPM_POST(wname, wevent) \ 195 { .id = snd_soc_dapm_post, .name = wname, .kcontrol_news = NULL, \ 196 .num_kcontrols = 0, .reg = SND_SOC_NOPM, .event = wevent, \ 197 .event_flags = SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD} 198 199 /* stream domain */ 200 #define SND_SOC_DAPM_AIF_IN(wname, stname, wslot, wreg, wshift, winvert) \ 201 { .id = snd_soc_dapm_aif_in, .name = wname, .sname = stname, \ 202 .reg = wreg, .shift = wshift, .invert = winvert } 203 #define SND_SOC_DAPM_AIF_IN_E(wname, stname, wslot, wreg, wshift, winvert, \ 204 wevent, wflags) \ 205 { .id = snd_soc_dapm_aif_in, .name = wname, .sname = stname, \ 206 .reg = wreg, .shift = wshift, .invert = winvert, \ 207 .event = wevent, .event_flags = wflags } 208 #define SND_SOC_DAPM_AIF_OUT(wname, stname, wslot, wreg, wshift, winvert) \ 209 { .id = snd_soc_dapm_aif_out, .name = wname, .sname = stname, \ 210 .reg = wreg, .shift = wshift, .invert = winvert } 211 #define SND_SOC_DAPM_AIF_OUT_E(wname, stname, wslot, wreg, wshift, winvert, \ 212 wevent, wflags) \ 213 { .id = snd_soc_dapm_aif_out, .name = wname, .sname = stname, \ 214 .reg = wreg, .shift = wshift, .invert = winvert, \ 215 .event = wevent, .event_flags = wflags } 216 #define SND_SOC_DAPM_DAC(wname, stname, wreg, wshift, winvert) \ 217 { .id = snd_soc_dapm_dac, .name = wname, .sname = stname, .reg = wreg, \ 218 .shift = wshift, .invert = winvert} 219 #define SND_SOC_DAPM_DAC_E(wname, stname, wreg, wshift, winvert, \ 220 wevent, wflags) \ 221 { .id = snd_soc_dapm_dac, .name = wname, .sname = stname, .reg = wreg, \ 222 .shift = wshift, .invert = winvert, \ 223 .event = wevent, .event_flags = wflags} 224 #define SND_SOC_DAPM_ADC(wname, stname, wreg, wshift, winvert) \ 225 { .id = snd_soc_dapm_adc, .name = wname, .sname = stname, .reg = wreg, \ 226 .shift = wshift, .invert = winvert} 227 #define SND_SOC_DAPM_ADC_E(wname, stname, wreg, wshift, winvert, \ 228 wevent, wflags) \ 229 { .id = snd_soc_dapm_adc, .name = wname, .sname = stname, .reg = wreg, \ 230 .shift = wshift, .invert = winvert, \ 231 .event = wevent, .event_flags = wflags} 232 233 /* generic widgets */ 234 #define SND_SOC_DAPM_REG(wid, wname, wreg, wshift, wmask, won_val, woff_val) \ 235 { .id = wid, .name = wname, .kcontrol_news = NULL, .num_kcontrols = 0, \ 236 .reg = -((wreg) + 1), .shift = wshift, .mask = wmask, \ 237 .on_val = won_val, .off_val = woff_val, .event = dapm_reg_event, \ 238 .event_flags = SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD} 239 #define SND_SOC_DAPM_SUPPLY(wname, wreg, wshift, winvert, wevent, wflags) \ 240 { .id = snd_soc_dapm_supply, .name = wname, .reg = wreg, \ 241 .shift = wshift, .invert = winvert, .event = wevent, \ 242 .event_flags = wflags} 243 244 /* dapm kcontrol types */ 245 #define SOC_DAPM_SINGLE(xname, reg, shift, max, invert) \ 246 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 247 .info = snd_soc_info_volsw, \ 248 .get = snd_soc_dapm_get_volsw, .put = snd_soc_dapm_put_volsw, \ 249 .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert) } 250 #define SOC_DAPM_SINGLE_TLV(xname, reg, shift, max, invert, tlv_array) \ 251 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 252 .info = snd_soc_info_volsw, \ 253 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | SNDRV_CTL_ELEM_ACCESS_READWRITE,\ 254 .tlv.p = (tlv_array), \ 255 .get = snd_soc_dapm_get_volsw, .put = snd_soc_dapm_put_volsw, \ 256 .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert) } 257 #define SOC_DAPM_ENUM(xname, xenum) \ 258 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 259 .info = snd_soc_info_enum_double, \ 260 .get = snd_soc_dapm_get_enum_double, \ 261 .put = snd_soc_dapm_put_enum_double, \ 262 .private_value = (unsigned long)&xenum } 263 #define SOC_DAPM_ENUM_VIRT(xname, xenum) \ 264 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 265 .info = snd_soc_info_enum_double, \ 266 .get = snd_soc_dapm_get_enum_virt, \ 267 .put = snd_soc_dapm_put_enum_virt, \ 268 .private_value = (unsigned long)&xenum } 269 #define SOC_DAPM_ENUM_EXT(xname, xenum, xget, xput) \ 270 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 271 .info = snd_soc_info_enum_double, \ 272 .get = xget, \ 273 .put = xput, \ 274 .private_value = (unsigned long)&xenum } 275 #define SOC_DAPM_VALUE_ENUM(xname, xenum) \ 276 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 277 .info = snd_soc_info_enum_double, \ 278 .get = snd_soc_dapm_get_value_enum_double, \ 279 .put = snd_soc_dapm_put_value_enum_double, \ 280 .private_value = (unsigned long)&xenum } 281 #define SOC_DAPM_PIN_SWITCH(xname) \ 282 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname " Switch", \ 283 .info = snd_soc_dapm_info_pin_switch, \ 284 .get = snd_soc_dapm_get_pin_switch, \ 285 .put = snd_soc_dapm_put_pin_switch, \ 286 .private_value = (unsigned long)xname } 287 288 /* dapm stream operations */ 289 #define SND_SOC_DAPM_STREAM_NOP 0x0 290 #define SND_SOC_DAPM_STREAM_START 0x1 291 #define SND_SOC_DAPM_STREAM_STOP 0x2 292 #define SND_SOC_DAPM_STREAM_SUSPEND 0x4 293 #define SND_SOC_DAPM_STREAM_RESUME 0x8 294 #define SND_SOC_DAPM_STREAM_PAUSE_PUSH 0x10 295 #define SND_SOC_DAPM_STREAM_PAUSE_RELEASE 0x20 296 297 /* dapm event types */ 298 #define SND_SOC_DAPM_PRE_PMU 0x1 /* before widget power up */ 299 #define SND_SOC_DAPM_POST_PMU 0x2 /* after widget power up */ 300 #define SND_SOC_DAPM_PRE_PMD 0x4 /* before widget power down */ 301 #define SND_SOC_DAPM_POST_PMD 0x8 /* after widget power down */ 302 #define SND_SOC_DAPM_PRE_REG 0x10 /* before audio path setup */ 303 #define SND_SOC_DAPM_POST_REG 0x20 /* after audio path setup */ 304 #define SND_SOC_DAPM_PRE_POST_PMD \ 305 (SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD) 306 307 /* convenience event type detection */ 308 #define SND_SOC_DAPM_EVENT_ON(e) \ 309 (e & (SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU)) 310 #define SND_SOC_DAPM_EVENT_OFF(e) \ 311 (e & (SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD)) 312 313 struct snd_soc_dapm_widget; 314 enum snd_soc_dapm_type; 315 struct snd_soc_dapm_path; 316 struct snd_soc_dapm_pin; 317 struct snd_soc_dapm_route; 318 struct snd_soc_dapm_context; 319 320 int dapm_reg_event(struct snd_soc_dapm_widget *w, 321 struct snd_kcontrol *kcontrol, int event); 322 323 /* dapm controls */ 324 int snd_soc_dapm_put_volsw(struct snd_kcontrol *kcontrol, 325 struct snd_ctl_elem_value *ucontrol); 326 int snd_soc_dapm_get_volsw(struct snd_kcontrol *kcontrol, 327 struct snd_ctl_elem_value *ucontrol); 328 int snd_soc_dapm_get_enum_double(struct snd_kcontrol *kcontrol, 329 struct snd_ctl_elem_value *ucontrol); 330 int snd_soc_dapm_put_enum_double(struct snd_kcontrol *kcontrol, 331 struct snd_ctl_elem_value *ucontrol); 332 int snd_soc_dapm_get_enum_virt(struct snd_kcontrol *kcontrol, 333 struct snd_ctl_elem_value *ucontrol); 334 int snd_soc_dapm_put_enum_virt(struct snd_kcontrol *kcontrol, 335 struct snd_ctl_elem_value *ucontrol); 336 int snd_soc_dapm_get_value_enum_double(struct snd_kcontrol *kcontrol, 337 struct snd_ctl_elem_value *ucontrol); 338 int snd_soc_dapm_put_value_enum_double(struct snd_kcontrol *kcontrol, 339 struct snd_ctl_elem_value *ucontrol); 340 int snd_soc_dapm_info_pin_switch(struct snd_kcontrol *kcontrol, 341 struct snd_ctl_elem_info *uinfo); 342 int snd_soc_dapm_get_pin_switch(struct snd_kcontrol *kcontrol, 343 struct snd_ctl_elem_value *uncontrol); 344 int snd_soc_dapm_put_pin_switch(struct snd_kcontrol *kcontrol, 345 struct snd_ctl_elem_value *uncontrol); 346 int snd_soc_dapm_new_control(struct snd_soc_dapm_context *dapm, 347 const struct snd_soc_dapm_widget *widget); 348 int snd_soc_dapm_new_controls(struct snd_soc_dapm_context *dapm, 349 const struct snd_soc_dapm_widget *widget, 350 int num); 351 352 /* dapm path setup */ 353 int snd_soc_dapm_new_widgets(struct snd_soc_dapm_context *dapm); 354 void snd_soc_dapm_free(struct snd_soc_dapm_context *dapm); 355 int snd_soc_dapm_add_routes(struct snd_soc_dapm_context *dapm, 356 const struct snd_soc_dapm_route *route, int num); 357 int snd_soc_dapm_weak_routes(struct snd_soc_dapm_context *dapm, 358 const struct snd_soc_dapm_route *route, int num); 359 360 /* dapm events */ 361 int snd_soc_dapm_stream_event(struct snd_soc_pcm_runtime *rtd, 362 const char *stream, int event); 363 void snd_soc_dapm_shutdown(struct snd_soc_card *card); 364 365 /* dapm sys fs - used by the core */ 366 int snd_soc_dapm_sys_add(struct device *dev); 367 void snd_soc_dapm_debugfs_init(struct snd_soc_dapm_context *dapm, 368 struct dentry *parent); 369 370 /* dapm audio pin control and status */ 371 int snd_soc_dapm_enable_pin(struct snd_soc_dapm_context *dapm, 372 const char *pin); 373 int snd_soc_dapm_disable_pin(struct snd_soc_dapm_context *dapm, 374 const char *pin); 375 int snd_soc_dapm_nc_pin(struct snd_soc_dapm_context *dapm, const char *pin); 376 int snd_soc_dapm_get_pin_status(struct snd_soc_dapm_context *dapm, 377 const char *pin); 378 int snd_soc_dapm_sync(struct snd_soc_dapm_context *dapm); 379 int snd_soc_dapm_force_enable_pin(struct snd_soc_dapm_context *dapm, 380 const char *pin); 381 int snd_soc_dapm_ignore_suspend(struct snd_soc_dapm_context *dapm, 382 const char *pin); 383 384 /* dapm widget types */ 385 enum snd_soc_dapm_type { 386 snd_soc_dapm_input = 0, /* input pin */ 387 snd_soc_dapm_output, /* output pin */ 388 snd_soc_dapm_mux, /* selects 1 analog signal from many inputs */ 389 snd_soc_dapm_virt_mux, /* virtual version of snd_soc_dapm_mux */ 390 snd_soc_dapm_value_mux, /* selects 1 analog signal from many inputs */ 391 snd_soc_dapm_mixer, /* mixes several analog signals together */ 392 snd_soc_dapm_mixer_named_ctl, /* mixer with named controls */ 393 snd_soc_dapm_pga, /* programmable gain/attenuation (volume) */ 394 snd_soc_dapm_out_drv, /* output driver */ 395 snd_soc_dapm_adc, /* analog to digital converter */ 396 snd_soc_dapm_dac, /* digital to analog converter */ 397 snd_soc_dapm_micbias, /* microphone bias (power) */ 398 snd_soc_dapm_mic, /* microphone */ 399 snd_soc_dapm_hp, /* headphones */ 400 snd_soc_dapm_spk, /* speaker */ 401 snd_soc_dapm_line, /* line input/output */ 402 snd_soc_dapm_switch, /* analog switch */ 403 snd_soc_dapm_vmid, /* codec bias/vmid - to minimise pops */ 404 snd_soc_dapm_pre, /* machine specific pre widget - exec first */ 405 snd_soc_dapm_post, /* machine specific post widget - exec last */ 406 snd_soc_dapm_supply, /* power/clock supply */ 407 snd_soc_dapm_aif_in, /* audio interface input */ 408 snd_soc_dapm_aif_out, /* audio interface output */ 409 }; 410 411 /* 412 * DAPM audio route definition. 413 * 414 * Defines an audio route originating at source via control and finishing 415 * at sink. 416 */ 417 struct snd_soc_dapm_route { 418 const char *sink; 419 const char *control; 420 const char *source; 421 422 /* Note: currently only supported for links where source is a supply */ 423 int (*connected)(struct snd_soc_dapm_widget *source, 424 struct snd_soc_dapm_widget *sink); 425 }; 426 427 /* dapm audio path between two widgets */ 428 struct snd_soc_dapm_path { 429 char *name; 430 char *long_name; 431 432 /* source (input) and sink (output) widgets */ 433 struct snd_soc_dapm_widget *source; 434 struct snd_soc_dapm_widget *sink; 435 struct snd_kcontrol *kcontrol; 436 437 /* status */ 438 u32 connect:1; /* source and sink widgets are connected */ 439 u32 walked:1; /* path has been walked */ 440 u32 weak:1; /* path ignored for power management */ 441 442 int (*connected)(struct snd_soc_dapm_widget *source, 443 struct snd_soc_dapm_widget *sink); 444 445 struct list_head list_source; 446 struct list_head list_sink; 447 struct list_head list; 448 }; 449 450 /* dapm widget */ 451 struct snd_soc_dapm_widget { 452 enum snd_soc_dapm_type id; 453 char *name; /* widget name */ 454 char *sname; /* stream name */ 455 struct snd_soc_codec *codec; 456 struct snd_soc_platform *platform; 457 struct list_head list; 458 struct snd_soc_dapm_context *dapm; 459 460 /* dapm control */ 461 short reg; /* negative reg = no direct dapm */ 462 unsigned char shift; /* bits to shift */ 463 unsigned int saved_value; /* widget saved value */ 464 unsigned int value; /* widget current value */ 465 unsigned int mask; /* non-shifted mask */ 466 unsigned int on_val; /* on state value */ 467 unsigned int off_val; /* off state value */ 468 unsigned char power:1; /* block power status */ 469 unsigned char invert:1; /* invert the power bit */ 470 unsigned char active:1; /* active stream on DAC, ADC's */ 471 unsigned char connected:1; /* connected codec pin */ 472 unsigned char new:1; /* cnew complete */ 473 unsigned char ext:1; /* has external widgets */ 474 unsigned char force:1; /* force state */ 475 unsigned char ignore_suspend:1; /* kept enabled over suspend */ 476 int subseq; /* sort within widget type */ 477 478 int (*power_check)(struct snd_soc_dapm_widget *w); 479 480 /* external events */ 481 unsigned short event_flags; /* flags to specify event types */ 482 int (*event)(struct snd_soc_dapm_widget*, struct snd_kcontrol *, int); 483 484 /* kcontrols that relate to this widget */ 485 int num_kcontrols; 486 const struct snd_kcontrol_new *kcontrol_news; 487 struct snd_kcontrol **kcontrols; 488 489 /* widget input and outputs */ 490 struct list_head sources; 491 struct list_head sinks; 492 493 /* used during DAPM updates */ 494 struct list_head power_list; 495 }; 496 497 struct snd_soc_dapm_update { 498 struct snd_soc_dapm_widget *widget; 499 struct snd_kcontrol *kcontrol; 500 int reg; 501 int mask; 502 int val; 503 }; 504 505 /* DAPM context */ 506 struct snd_soc_dapm_context { 507 int n_widgets; /* number of widgets in this context */ 508 enum snd_soc_bias_level bias_level; 509 enum snd_soc_bias_level suspend_bias_level; 510 struct delayed_work delayed_work; 511 unsigned int idle_bias_off:1; /* Use BIAS_OFF instead of STANDBY */ 512 513 struct snd_soc_dapm_update *update; 514 515 void (*seq_notifier)(struct snd_soc_dapm_context *, 516 enum snd_soc_dapm_type, int); 517 518 struct device *dev; /* from parent - for debug */ 519 struct snd_soc_codec *codec; /* parent codec */ 520 struct snd_soc_platform *platform; /* parent platform */ 521 struct snd_soc_card *card; /* parent card */ 522 523 /* used during DAPM updates */ 524 enum snd_soc_bias_level target_bias_level; 525 struct list_head list; 526 527 #ifdef CONFIG_DEBUG_FS 528 struct dentry *debugfs_dapm; 529 #endif 530 }; 531 532 /* A list of widgets associated with an object, typically a snd_kcontrol */ 533 struct snd_soc_dapm_widget_list { 534 int num_widgets; 535 struct snd_soc_dapm_widget *widgets[0]; 536 }; 537 538 #endif 539