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, .reg = wreg, \ 108 .kcontrol_news = wcontrols, .num_kcontrols = 1} 109 #define SND_SOC_DAPM_VIRT_MUX(wname, wreg, wshift, winvert, wcontrols) \ 110 { .id = snd_soc_dapm_virt_mux, .name = wname, \ 111 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ 112 .kcontrol_news = wcontrols, .num_kcontrols = 1} 113 #define SND_SOC_DAPM_VALUE_MUX(wname, wreg, wshift, winvert, wcontrols) \ 114 { .id = snd_soc_dapm_value_mux, .name = wname, \ 115 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ 116 .kcontrol_news = wcontrols, .num_kcontrols = 1} 117 118 /* Simplified versions of above macros, assuming wncontrols = ARRAY_SIZE(wcontrols) */ 119 #define SOC_PGA_ARRAY(wname, wreg, wshift, winvert,\ 120 wcontrols) \ 121 { .id = snd_soc_dapm_pga, .name = wname, \ 122 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ 123 .kcontrol_news = wcontrols, .num_kcontrols = ARRAY_SIZE(wcontrols)} 124 #define SOC_MIXER_ARRAY(wname, wreg, wshift, winvert, \ 125 wcontrols)\ 126 { .id = snd_soc_dapm_mixer, .name = wname, \ 127 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ 128 .kcontrol_news = wcontrols, .num_kcontrols = ARRAY_SIZE(wcontrols)} 129 #define SOC_MIXER_NAMED_CTL_ARRAY(wname, wreg, wshift, winvert, \ 130 wcontrols)\ 131 { .id = snd_soc_dapm_mixer_named_ctl, .name = wname, \ 132 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ 133 .kcontrol_news = wcontrols, .num_kcontrols = ARRAY_SIZE(wcontrols)} 134 135 /* path domain with event - event handler must return 0 for success */ 136 #define SND_SOC_DAPM_PGA_E(wname, wreg, wshift, winvert, wcontrols, \ 137 wncontrols, wevent, wflags) \ 138 { .id = snd_soc_dapm_pga, .name = wname, \ 139 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ 140 .kcontrol_news = wcontrols, .num_kcontrols = wncontrols, \ 141 .event = wevent, .event_flags = wflags} 142 #define SND_SOC_DAPM_OUT_DRV_E(wname, wreg, wshift, winvert, wcontrols, \ 143 wncontrols, wevent, wflags) \ 144 { .id = snd_soc_dapm_out_drv, .name = wname, \ 145 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ 146 .kcontrol_news = wcontrols, .num_kcontrols = wncontrols, \ 147 .event = wevent, .event_flags = wflags} 148 #define SND_SOC_DAPM_MIXER_E(wname, wreg, wshift, winvert, wcontrols, \ 149 wncontrols, wevent, wflags) \ 150 { .id = snd_soc_dapm_mixer, .name = wname, \ 151 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ 152 .kcontrol_news = wcontrols, .num_kcontrols = wncontrols, \ 153 .event = wevent, .event_flags = wflags} 154 #define SND_SOC_DAPM_MIXER_NAMED_CTL_E(wname, wreg, wshift, winvert, \ 155 wcontrols, wncontrols, wevent, wflags) \ 156 { .id = snd_soc_dapm_mixer, .name = wname, \ 157 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ 158 .kcontrol_news = wcontrols, \ 159 .num_kcontrols = wncontrols, .event = wevent, .event_flags = wflags} 160 #define SND_SOC_DAPM_SWITCH_E(wname, wreg, wshift, winvert, wcontrols, \ 161 wevent, wflags) \ 162 { .id = snd_soc_dapm_switch, .name = wname, \ 163 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ 164 .kcontrol_news = wcontrols, .num_kcontrols = 1, \ 165 .event = wevent, .event_flags = wflags} 166 #define SND_SOC_DAPM_MUX_E(wname, wreg, wshift, winvert, wcontrols, \ 167 wevent, wflags) \ 168 { .id = snd_soc_dapm_mux, .name = wname, \ 169 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ 170 .kcontrol_news = wcontrols, .num_kcontrols = 1, \ 171 .event = wevent, .event_flags = wflags} 172 #define SND_SOC_DAPM_VIRT_MUX_E(wname, wreg, wshift, winvert, wcontrols, \ 173 wevent, wflags) \ 174 { .id = snd_soc_dapm_virt_mux, .name = wname, \ 175 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ 176 .kcontrol_news = wcontrols, .num_kcontrols = 1, \ 177 .event = wevent, .event_flags = wflags} 178 179 /* additional sequencing control within an event type */ 180 #define SND_SOC_DAPM_PGA_S(wname, wsubseq, wreg, wshift, winvert, \ 181 wevent, wflags) \ 182 { .id = snd_soc_dapm_pga, .name = wname, \ 183 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ 184 .event = wevent, .event_flags = wflags, \ 185 .subseq = wsubseq} 186 #define SND_SOC_DAPM_SUPPLY_S(wname, wsubseq, wreg, wshift, winvert, wevent, \ 187 wflags) \ 188 { .id = snd_soc_dapm_supply, .name = wname, \ 189 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ 190 .event = wevent, .event_flags = wflags, .subseq = wsubseq} 191 192 /* Simplified versions of above macros, assuming wncontrols = ARRAY_SIZE(wcontrols) */ 193 #define SOC_PGA_E_ARRAY(wname, wreg, wshift, winvert, wcontrols, \ 194 wevent, wflags) \ 195 { .id = snd_soc_dapm_pga, .name = wname, \ 196 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ 197 .kcontrol_news = wcontrols, .num_kcontrols = ARRAY_SIZE(wcontrols), \ 198 .event = wevent, .event_flags = wflags} 199 #define SOC_MIXER_E_ARRAY(wname, wreg, wshift, winvert, wcontrols, \ 200 wevent, wflags) \ 201 { .id = snd_soc_dapm_mixer, .name = wname, \ 202 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ 203 .kcontrol_news = wcontrols, .num_kcontrols = ARRAY_SIZE(wcontrols), \ 204 .event = wevent, .event_flags = wflags} 205 #define SOC_MIXER_NAMED_CTL_E_ARRAY(wname, wreg, wshift, winvert, \ 206 wcontrols, wevent, wflags) \ 207 { .id = snd_soc_dapm_mixer, .name = wname, \ 208 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ 209 .kcontrol_news = wcontrols, .num_kcontrols = ARRAY_SIZE(wcontrols), \ 210 .event = wevent, .event_flags = wflags} 211 212 /* events that are pre and post DAPM */ 213 #define SND_SOC_DAPM_PRE(wname, wevent) \ 214 { .id = snd_soc_dapm_pre, .name = wname, .kcontrol_news = NULL, \ 215 .num_kcontrols = 0, .reg = SND_SOC_NOPM, .event = wevent, \ 216 .event_flags = SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD} 217 #define SND_SOC_DAPM_POST(wname, wevent) \ 218 { .id = snd_soc_dapm_post, .name = wname, .kcontrol_news = NULL, \ 219 .num_kcontrols = 0, .reg = SND_SOC_NOPM, .event = wevent, \ 220 .event_flags = SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD} 221 222 /* stream domain */ 223 #define SND_SOC_DAPM_AIF_IN(wname, stname, wslot, wreg, wshift, winvert) \ 224 { .id = snd_soc_dapm_aif_in, .name = wname, .sname = stname, \ 225 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), } 226 #define SND_SOC_DAPM_AIF_IN_E(wname, stname, wslot, wreg, wshift, winvert, \ 227 wevent, wflags) \ 228 { .id = snd_soc_dapm_aif_in, .name = wname, .sname = stname, \ 229 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ 230 .event = wevent, .event_flags = wflags } 231 #define SND_SOC_DAPM_AIF_OUT(wname, stname, wslot, wreg, wshift, winvert) \ 232 { .id = snd_soc_dapm_aif_out, .name = wname, .sname = stname, \ 233 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), } 234 #define SND_SOC_DAPM_AIF_OUT_E(wname, stname, wslot, wreg, wshift, winvert, \ 235 wevent, wflags) \ 236 { .id = snd_soc_dapm_aif_out, .name = wname, .sname = stname, \ 237 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ 238 .event = wevent, .event_flags = wflags } 239 #define SND_SOC_DAPM_DAC(wname, stname, wreg, wshift, winvert) \ 240 { .id = snd_soc_dapm_dac, .name = wname, .sname = stname, \ 241 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert) } 242 #define SND_SOC_DAPM_DAC_E(wname, stname, wreg, wshift, winvert, \ 243 wevent, wflags) \ 244 { .id = snd_soc_dapm_dac, .name = wname, .sname = stname, \ 245 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ 246 .event = wevent, .event_flags = wflags} 247 248 #define SND_SOC_DAPM_ADC(wname, stname, wreg, wshift, winvert) \ 249 { .id = snd_soc_dapm_adc, .name = wname, .sname = stname, \ 250 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), } 251 #define SND_SOC_DAPM_ADC_E(wname, stname, wreg, wshift, winvert, \ 252 wevent, wflags) \ 253 { .id = snd_soc_dapm_adc, .name = wname, .sname = stname, \ 254 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ 255 .event = wevent, .event_flags = wflags} 256 #define SND_SOC_DAPM_CLOCK_SUPPLY(wname) \ 257 { .id = snd_soc_dapm_clock_supply, .name = wname, \ 258 .reg = SND_SOC_NOPM, .event = dapm_clock_event, \ 259 .event_flags = SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD } 260 261 /* generic widgets */ 262 #define SND_SOC_DAPM_REG(wid, wname, wreg, wshift, wmask, won_val, woff_val) \ 263 { .id = wid, .name = wname, .kcontrol_news = NULL, .num_kcontrols = 0, \ 264 .reg = -((wreg) + 1), .shift = wshift, .mask = wmask, \ 265 .on_val = won_val, .off_val = woff_val, .event = dapm_reg_event, \ 266 .event_flags = SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD} 267 #define SND_SOC_DAPM_SUPPLY(wname, wreg, wshift, winvert, wevent, wflags) \ 268 { .id = snd_soc_dapm_supply, .name = wname, \ 269 SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ 270 .event = wevent, .event_flags = wflags} 271 #define SND_SOC_DAPM_REGULATOR_SUPPLY(wname, wdelay, wflags) \ 272 { .id = snd_soc_dapm_regulator_supply, .name = wname, \ 273 .reg = SND_SOC_NOPM, .shift = wdelay, .event = dapm_regulator_event, \ 274 .event_flags = SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD, \ 275 .on_val = wflags} 276 277 278 /* dapm kcontrol types */ 279 #define SOC_DAPM_SINGLE(xname, reg, shift, max, invert) \ 280 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 281 .info = snd_soc_info_volsw, \ 282 .get = snd_soc_dapm_get_volsw, .put = snd_soc_dapm_put_volsw, \ 283 .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert, 0) } 284 #define SOC_DAPM_SINGLE_AUTODISABLE(xname, reg, shift, max, invert) \ 285 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 286 .info = snd_soc_info_volsw, \ 287 .get = snd_soc_dapm_get_volsw, .put = snd_soc_dapm_put_volsw, \ 288 .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert, 1) } 289 #define SOC_DAPM_SINGLE_TLV(xname, reg, shift, max, invert, tlv_array) \ 290 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 291 .info = snd_soc_info_volsw, \ 292 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | SNDRV_CTL_ELEM_ACCESS_READWRITE,\ 293 .tlv.p = (tlv_array), \ 294 .get = snd_soc_dapm_get_volsw, .put = snd_soc_dapm_put_volsw, \ 295 .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert, 0) } 296 #define SOC_DAPM_SINGLE_TLV_AUTODISABLE(xname, reg, shift, max, invert, tlv_array) \ 297 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 298 .info = snd_soc_info_volsw, \ 299 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | SNDRV_CTL_ELEM_ACCESS_READWRITE,\ 300 .tlv.p = (tlv_array), \ 301 .get = snd_soc_dapm_get_volsw, .put = snd_soc_dapm_put_volsw, \ 302 .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert, 0) } 303 #define SOC_DAPM_ENUM(xname, xenum) \ 304 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 305 .info = snd_soc_info_enum_double, \ 306 .get = snd_soc_dapm_get_enum_double, \ 307 .put = snd_soc_dapm_put_enum_double, \ 308 .private_value = (unsigned long)&xenum } 309 #define SOC_DAPM_ENUM_VIRT(xname, xenum) \ 310 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 311 .info = snd_soc_info_enum_double, \ 312 .get = snd_soc_dapm_get_enum_virt, \ 313 .put = snd_soc_dapm_put_enum_virt, \ 314 .private_value = (unsigned long)&xenum } 315 #define SOC_DAPM_ENUM_EXT(xname, xenum, xget, xput) \ 316 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 317 .info = snd_soc_info_enum_double, \ 318 .get = xget, \ 319 .put = xput, \ 320 .private_value = (unsigned long)&xenum } 321 #define SOC_DAPM_VALUE_ENUM(xname, xenum) \ 322 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 323 .info = snd_soc_info_enum_double, \ 324 .get = snd_soc_dapm_get_value_enum_double, \ 325 .put = snd_soc_dapm_put_value_enum_double, \ 326 .private_value = (unsigned long)&xenum } 327 #define SOC_DAPM_PIN_SWITCH(xname) \ 328 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname " Switch", \ 329 .info = snd_soc_dapm_info_pin_switch, \ 330 .get = snd_soc_dapm_get_pin_switch, \ 331 .put = snd_soc_dapm_put_pin_switch, \ 332 .private_value = (unsigned long)xname } 333 334 /* dapm stream operations */ 335 #define SND_SOC_DAPM_STREAM_NOP 0x0 336 #define SND_SOC_DAPM_STREAM_START 0x1 337 #define SND_SOC_DAPM_STREAM_STOP 0x2 338 #define SND_SOC_DAPM_STREAM_SUSPEND 0x4 339 #define SND_SOC_DAPM_STREAM_RESUME 0x8 340 #define SND_SOC_DAPM_STREAM_PAUSE_PUSH 0x10 341 #define SND_SOC_DAPM_STREAM_PAUSE_RELEASE 0x20 342 343 /* dapm event types */ 344 #define SND_SOC_DAPM_PRE_PMU 0x1 /* before widget power up */ 345 #define SND_SOC_DAPM_POST_PMU 0x2 /* after widget power up */ 346 #define SND_SOC_DAPM_PRE_PMD 0x4 /* before widget power down */ 347 #define SND_SOC_DAPM_POST_PMD 0x8 /* after widget power down */ 348 #define SND_SOC_DAPM_PRE_REG 0x10 /* before audio path setup */ 349 #define SND_SOC_DAPM_POST_REG 0x20 /* after audio path setup */ 350 #define SND_SOC_DAPM_WILL_PMU 0x40 /* called at start of sequence */ 351 #define SND_SOC_DAPM_WILL_PMD 0x80 /* called at start of sequence */ 352 #define SND_SOC_DAPM_PRE_POST_PMD \ 353 (SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD) 354 355 /* convenience event type detection */ 356 #define SND_SOC_DAPM_EVENT_ON(e) \ 357 (e & (SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU)) 358 #define SND_SOC_DAPM_EVENT_OFF(e) \ 359 (e & (SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD)) 360 361 /* regulator widget flags */ 362 #define SND_SOC_DAPM_REGULATOR_BYPASS 0x1 /* bypass when disabled */ 363 364 struct snd_soc_dapm_widget; 365 enum snd_soc_dapm_type; 366 struct snd_soc_dapm_path; 367 struct snd_soc_dapm_pin; 368 struct snd_soc_dapm_route; 369 struct snd_soc_dapm_context; 370 struct regulator; 371 struct snd_soc_dapm_widget_list; 372 struct snd_soc_dapm_update; 373 374 int dapm_reg_event(struct snd_soc_dapm_widget *w, 375 struct snd_kcontrol *kcontrol, int event); 376 int dapm_regulator_event(struct snd_soc_dapm_widget *w, 377 struct snd_kcontrol *kcontrol, int event); 378 int dapm_clock_event(struct snd_soc_dapm_widget *w, 379 struct snd_kcontrol *kcontrol, int event); 380 381 /* dapm controls */ 382 int snd_soc_dapm_put_volsw(struct snd_kcontrol *kcontrol, 383 struct snd_ctl_elem_value *ucontrol); 384 int snd_soc_dapm_get_volsw(struct snd_kcontrol *kcontrol, 385 struct snd_ctl_elem_value *ucontrol); 386 int snd_soc_dapm_get_enum_double(struct snd_kcontrol *kcontrol, 387 struct snd_ctl_elem_value *ucontrol); 388 int snd_soc_dapm_put_enum_double(struct snd_kcontrol *kcontrol, 389 struct snd_ctl_elem_value *ucontrol); 390 int snd_soc_dapm_get_enum_virt(struct snd_kcontrol *kcontrol, 391 struct snd_ctl_elem_value *ucontrol); 392 int snd_soc_dapm_put_enum_virt(struct snd_kcontrol *kcontrol, 393 struct snd_ctl_elem_value *ucontrol); 394 int snd_soc_dapm_get_value_enum_double(struct snd_kcontrol *kcontrol, 395 struct snd_ctl_elem_value *ucontrol); 396 int snd_soc_dapm_put_value_enum_double(struct snd_kcontrol *kcontrol, 397 struct snd_ctl_elem_value *ucontrol); 398 int snd_soc_dapm_info_pin_switch(struct snd_kcontrol *kcontrol, 399 struct snd_ctl_elem_info *uinfo); 400 int snd_soc_dapm_get_pin_switch(struct snd_kcontrol *kcontrol, 401 struct snd_ctl_elem_value *uncontrol); 402 int snd_soc_dapm_put_pin_switch(struct snd_kcontrol *kcontrol, 403 struct snd_ctl_elem_value *uncontrol); 404 int snd_soc_dapm_new_controls(struct snd_soc_dapm_context *dapm, 405 const struct snd_soc_dapm_widget *widget, 406 int num); 407 int snd_soc_dapm_new_dai_widgets(struct snd_soc_dapm_context *dapm, 408 struct snd_soc_dai *dai); 409 int snd_soc_dapm_link_dai_widgets(struct snd_soc_card *card); 410 int snd_soc_dapm_new_pcm(struct snd_soc_card *card, 411 const struct snd_soc_pcm_stream *params, 412 struct snd_soc_dapm_widget *source, 413 struct snd_soc_dapm_widget *sink); 414 415 /* dapm path setup */ 416 int snd_soc_dapm_new_widgets(struct snd_soc_card *card); 417 void snd_soc_dapm_free(struct snd_soc_dapm_context *dapm); 418 int snd_soc_dapm_add_routes(struct snd_soc_dapm_context *dapm, 419 const struct snd_soc_dapm_route *route, int num); 420 int snd_soc_dapm_del_routes(struct snd_soc_dapm_context *dapm, 421 const struct snd_soc_dapm_route *route, int num); 422 int snd_soc_dapm_weak_routes(struct snd_soc_dapm_context *dapm, 423 const struct snd_soc_dapm_route *route, int num); 424 425 /* dapm events */ 426 void snd_soc_dapm_stream_event(struct snd_soc_pcm_runtime *rtd, int stream, 427 int event); 428 void snd_soc_dapm_shutdown(struct snd_soc_card *card); 429 430 /* external DAPM widget events */ 431 int snd_soc_dapm_mixer_update_power(struct snd_soc_dapm_context *dapm, 432 struct snd_kcontrol *kcontrol, int connect, 433 struct snd_soc_dapm_update *update); 434 int snd_soc_dapm_mux_update_power(struct snd_soc_dapm_context *dapm, 435 struct snd_kcontrol *kcontrol, int mux, struct soc_enum *e, 436 struct snd_soc_dapm_update *update); 437 438 /* dapm sys fs - used by the core */ 439 int snd_soc_dapm_sys_add(struct device *dev); 440 void snd_soc_dapm_debugfs_init(struct snd_soc_dapm_context *dapm, 441 struct dentry *parent); 442 443 /* dapm audio pin control and status */ 444 int snd_soc_dapm_enable_pin(struct snd_soc_dapm_context *dapm, 445 const char *pin); 446 int snd_soc_dapm_disable_pin(struct snd_soc_dapm_context *dapm, 447 const char *pin); 448 int snd_soc_dapm_nc_pin(struct snd_soc_dapm_context *dapm, const char *pin); 449 int snd_soc_dapm_get_pin_status(struct snd_soc_dapm_context *dapm, 450 const char *pin); 451 int snd_soc_dapm_sync(struct snd_soc_dapm_context *dapm); 452 int snd_soc_dapm_force_enable_pin(struct snd_soc_dapm_context *dapm, 453 const char *pin); 454 int snd_soc_dapm_ignore_suspend(struct snd_soc_dapm_context *dapm, 455 const char *pin); 456 void snd_soc_dapm_auto_nc_codec_pins(struct snd_soc_codec *codec); 457 458 /* Mostly internal - should not normally be used */ 459 void dapm_mark_dirty(struct snd_soc_dapm_widget *w, const char *reason); 460 void dapm_mark_io_dirty(struct snd_soc_dapm_context *dapm); 461 462 /* dapm path query */ 463 int snd_soc_dapm_dai_get_connected_widgets(struct snd_soc_dai *dai, int stream, 464 struct snd_soc_dapm_widget_list **list); 465 466 struct snd_soc_codec *snd_soc_dapm_kcontrol_codec(struct snd_kcontrol *kcontrol); 467 468 /* dapm widget types */ 469 enum snd_soc_dapm_type { 470 snd_soc_dapm_input = 0, /* input pin */ 471 snd_soc_dapm_output, /* output pin */ 472 snd_soc_dapm_mux, /* selects 1 analog signal from many inputs */ 473 snd_soc_dapm_virt_mux, /* virtual version of snd_soc_dapm_mux */ 474 snd_soc_dapm_value_mux, /* selects 1 analog signal from many inputs */ 475 snd_soc_dapm_mixer, /* mixes several analog signals together */ 476 snd_soc_dapm_mixer_named_ctl, /* mixer with named controls */ 477 snd_soc_dapm_pga, /* programmable gain/attenuation (volume) */ 478 snd_soc_dapm_out_drv, /* output driver */ 479 snd_soc_dapm_adc, /* analog to digital converter */ 480 snd_soc_dapm_dac, /* digital to analog converter */ 481 snd_soc_dapm_micbias, /* microphone bias (power) */ 482 snd_soc_dapm_mic, /* microphone */ 483 snd_soc_dapm_hp, /* headphones */ 484 snd_soc_dapm_spk, /* speaker */ 485 snd_soc_dapm_line, /* line input/output */ 486 snd_soc_dapm_switch, /* analog switch */ 487 snd_soc_dapm_vmid, /* codec bias/vmid - to minimise pops */ 488 snd_soc_dapm_pre, /* machine specific pre widget - exec first */ 489 snd_soc_dapm_post, /* machine specific post widget - exec last */ 490 snd_soc_dapm_supply, /* power/clock supply */ 491 snd_soc_dapm_regulator_supply, /* external regulator */ 492 snd_soc_dapm_clock_supply, /* external clock */ 493 snd_soc_dapm_aif_in, /* audio interface input */ 494 snd_soc_dapm_aif_out, /* audio interface output */ 495 snd_soc_dapm_siggen, /* signal generator */ 496 snd_soc_dapm_dai_in, /* link to DAI structure */ 497 snd_soc_dapm_dai_out, 498 snd_soc_dapm_dai_link, /* link between two DAI structures */ 499 snd_soc_dapm_kcontrol, /* Auto-disabled kcontrol */ 500 }; 501 502 enum snd_soc_dapm_subclass { 503 SND_SOC_DAPM_CLASS_INIT = 0, 504 SND_SOC_DAPM_CLASS_RUNTIME = 1, 505 }; 506 507 /* 508 * DAPM audio route definition. 509 * 510 * Defines an audio route originating at source via control and finishing 511 * at sink. 512 */ 513 struct snd_soc_dapm_route { 514 const char *sink; 515 const char *control; 516 const char *source; 517 518 /* Note: currently only supported for links where source is a supply */ 519 int (*connected)(struct snd_soc_dapm_widget *source, 520 struct snd_soc_dapm_widget *sink); 521 }; 522 523 /* dapm audio path between two widgets */ 524 struct snd_soc_dapm_path { 525 const char *name; 526 527 /* source (input) and sink (output) widgets */ 528 struct snd_soc_dapm_widget *source; 529 struct snd_soc_dapm_widget *sink; 530 531 /* status */ 532 u32 connect:1; /* source and sink widgets are connected */ 533 u32 walked:1; /* path has been walked */ 534 u32 walking:1; /* path is in the process of being walked */ 535 u32 weak:1; /* path ignored for power management */ 536 537 int (*connected)(struct snd_soc_dapm_widget *source, 538 struct snd_soc_dapm_widget *sink); 539 540 struct list_head list_source; 541 struct list_head list_sink; 542 struct list_head list_kcontrol; 543 struct list_head list; 544 }; 545 546 /* dapm widget */ 547 struct snd_soc_dapm_widget { 548 enum snd_soc_dapm_type id; 549 const char *name; /* widget name */ 550 const char *sname; /* stream name */ 551 struct snd_soc_codec *codec; 552 struct snd_soc_platform *platform; 553 struct list_head list; 554 struct snd_soc_dapm_context *dapm; 555 556 void *priv; /* widget specific data */ 557 struct regulator *regulator; /* attached regulator */ 558 const struct snd_soc_pcm_stream *params; /* params for dai links */ 559 560 /* dapm control */ 561 int reg; /* negative reg = no direct dapm */ 562 unsigned char shift; /* bits to shift */ 563 unsigned int mask; /* non-shifted mask */ 564 unsigned int on_val; /* on state value */ 565 unsigned int off_val; /* off state value */ 566 unsigned char power:1; /* block power status */ 567 unsigned char active:1; /* active stream on DAC, ADC's */ 568 unsigned char connected:1; /* connected codec pin */ 569 unsigned char new:1; /* cnew complete */ 570 unsigned char ext:1; /* has external widgets */ 571 unsigned char force:1; /* force state */ 572 unsigned char ignore_suspend:1; /* kept enabled over suspend */ 573 unsigned char new_power:1; /* power from this run */ 574 unsigned char power_checked:1; /* power checked this run */ 575 int subseq; /* sort within widget type */ 576 577 int (*power_check)(struct snd_soc_dapm_widget *w); 578 579 /* external events */ 580 unsigned short event_flags; /* flags to specify event types */ 581 int (*event)(struct snd_soc_dapm_widget*, struct snd_kcontrol *, int); 582 583 /* kcontrols that relate to this widget */ 584 int num_kcontrols; 585 const struct snd_kcontrol_new *kcontrol_news; 586 struct snd_kcontrol **kcontrols; 587 588 /* widget input and outputs */ 589 struct list_head sources; 590 struct list_head sinks; 591 592 /* used during DAPM updates */ 593 struct list_head power_list; 594 struct list_head dirty; 595 int inputs; 596 int outputs; 597 598 struct clk *clk; 599 }; 600 601 struct snd_soc_dapm_update { 602 struct snd_kcontrol *kcontrol; 603 int reg; 604 int mask; 605 int val; 606 }; 607 608 /* DAPM context */ 609 struct snd_soc_dapm_context { 610 enum snd_soc_bias_level bias_level; 611 enum snd_soc_bias_level suspend_bias_level; 612 struct delayed_work delayed_work; 613 unsigned int idle_bias_off:1; /* Use BIAS_OFF instead of STANDBY */ 614 615 void (*seq_notifier)(struct snd_soc_dapm_context *, 616 enum snd_soc_dapm_type, int); 617 618 struct device *dev; /* from parent - for debug */ 619 struct snd_soc_codec *codec; /* parent codec */ 620 struct snd_soc_platform *platform; /* parent platform */ 621 struct snd_soc_card *card; /* parent card */ 622 623 /* used during DAPM updates */ 624 enum snd_soc_bias_level target_bias_level; 625 struct list_head list; 626 627 int (*stream_event)(struct snd_soc_dapm_context *dapm, int event); 628 629 #ifdef CONFIG_DEBUG_FS 630 struct dentry *debugfs_dapm; 631 #endif 632 }; 633 634 /* A list of widgets associated with an object, typically a snd_kcontrol */ 635 struct snd_soc_dapm_widget_list { 636 int num_widgets; 637 struct snd_soc_dapm_widget *widgets[0]; 638 }; 639 640 struct snd_soc_dapm_stats { 641 int power_checks; 642 int path_checks; 643 int neighbour_checks; 644 }; 645 646 #endif 647