1 /* 2 * wm8753.c -- WM8753 ALSA Soc Audio driver 3 * 4 * Copyright 2003 Wolfson Microelectronics PLC. 5 * Author: Liam Girdwood <lrg@slimlogic.co.uk> 6 * 7 * This program is free software; you can redistribute it and/or modify it 8 * under the terms of the GNU General Public License as published by the 9 * Free Software Foundation; either version 2 of the License, or (at your 10 * option) any later version. 11 * 12 * Notes: 13 * The WM8753 is a low power, high quality stereo codec with integrated PCM 14 * codec designed for portable digital telephony applications. 15 * 16 * Dual DAI:- 17 * 18 * This driver support 2 DAI PCM's. This makes the default PCM available for 19 * HiFi audio (e.g. MP3, ogg) playback/capture and the other PCM available for 20 * voice. 21 * 22 * Please note that the voice PCM can be connected directly to a Bluetooth 23 * codec or GSM modem and thus cannot be read or written to, although it is 24 * available to be configured with snd_hw_params(), etc and kcontrols in the 25 * normal alsa manner. 26 * 27 * Fast DAI switching:- 28 * 29 * The driver can now fast switch between the DAI configurations via a 30 * an alsa kcontrol. This allows the PCM to remain open. 31 * 32 */ 33 34 #include <linux/module.h> 35 #include <linux/moduleparam.h> 36 #include <linux/kernel.h> 37 #include <linux/init.h> 38 #include <linux/delay.h> 39 #include <linux/pm.h> 40 #include <linux/i2c.h> 41 #include <linux/platform_device.h> 42 #include <linux/spi/spi.h> 43 #include <linux/slab.h> 44 #include <sound/core.h> 45 #include <sound/pcm.h> 46 #include <sound/pcm_params.h> 47 #include <sound/soc.h> 48 #include <sound/initval.h> 49 #include <sound/tlv.h> 50 #include <asm/div64.h> 51 52 #include "wm8753.h" 53 54 static int caps_charge = 2000; 55 module_param(caps_charge, int, 0); 56 MODULE_PARM_DESC(caps_charge, "WM8753 cap charge time (msecs)"); 57 58 static void wm8753_set_dai_mode(struct snd_soc_codec *codec, 59 struct snd_soc_dai *dai, unsigned int hifi); 60 61 /* 62 * wm8753 register cache 63 * We can't read the WM8753 register space when we 64 * are using 2 wire for device control, so we cache them instead. 65 */ 66 static const u16 wm8753_reg[] = { 67 0x0000, 0x0008, 0x0000, 0x000a, 68 0x000a, 0x0033, 0x0000, 0x0007, 69 0x00ff, 0x00ff, 0x000f, 0x000f, 70 0x007b, 0x0000, 0x0032, 0x0000, 71 0x00c3, 0x00c3, 0x00c0, 0x0000, 72 0x0000, 0x0000, 0x0000, 0x0000, 73 0x0000, 0x0000, 0x0000, 0x0000, 74 0x0000, 0x0000, 0x0000, 0x0000, 75 0x0055, 0x0005, 0x0050, 0x0055, 76 0x0050, 0x0055, 0x0050, 0x0055, 77 0x0079, 0x0079, 0x0079, 0x0079, 78 0x0079, 0x0000, 0x0000, 0x0000, 79 0x0000, 0x0097, 0x0097, 0x0000, 80 0x0004, 0x0000, 0x0083, 0x0024, 81 0x01ba, 0x0000, 0x0083, 0x0024, 82 0x01ba, 0x0000, 0x0000, 0x0000 83 }; 84 85 /* codec private data */ 86 struct wm8753_priv { 87 enum snd_soc_control_type control_type; 88 unsigned int sysclk; 89 unsigned int pcmclk; 90 int dai_func; 91 }; 92 93 #define wm8753_reset(c) snd_soc_write(c, WM8753_RESET, 0) 94 95 /* 96 * WM8753 Controls 97 */ 98 static const char *wm8753_base[] = {"Linear Control", "Adaptive Boost"}; 99 static const char *wm8753_base_filter[] = 100 {"130Hz @ 48kHz", "200Hz @ 48kHz", "100Hz @ 16kHz", "400Hz @ 48kHz", 101 "100Hz @ 8kHz", "200Hz @ 8kHz"}; 102 static const char *wm8753_treble[] = {"8kHz", "4kHz"}; 103 static const char *wm8753_alc_func[] = {"Off", "Right", "Left", "Stereo"}; 104 static const char *wm8753_ng_type[] = {"Constant PGA Gain", "Mute ADC Output"}; 105 static const char *wm8753_3d_func[] = {"Capture", "Playback"}; 106 static const char *wm8753_3d_uc[] = {"2.2kHz", "1.5kHz"}; 107 static const char *wm8753_3d_lc[] = {"200Hz", "500Hz"}; 108 static const char *wm8753_deemp[] = {"None", "32kHz", "44.1kHz", "48kHz"}; 109 static const char *wm8753_mono_mix[] = {"Stereo", "Left", "Right", "Mono"}; 110 static const char *wm8753_dac_phase[] = {"Non Inverted", "Inverted"}; 111 static const char *wm8753_line_mix[] = {"Line 1 + 2", "Line 1 - 2", 112 "Line 1", "Line 2"}; 113 static const char *wm8753_mono_mux[] = {"Line Mix", "Rx Mix"}; 114 static const char *wm8753_right_mux[] = {"Line 2", "Rx Mix"}; 115 static const char *wm8753_left_mux[] = {"Line 1", "Rx Mix"}; 116 static const char *wm8753_rxmsel[] = {"RXP - RXN", "RXP + RXN", "RXP", "RXN"}; 117 static const char *wm8753_sidetone_mux[] = {"Left PGA", "Mic 1", "Mic 2", 118 "Right PGA"}; 119 static const char *wm8753_mono2_src[] = {"Inverted Mono 1", "Left", "Right", 120 "Left + Right"}; 121 static const char *wm8753_out3[] = {"VREF", "ROUT2", "Left + Right"}; 122 static const char *wm8753_out4[] = {"VREF", "Capture ST", "LOUT2"}; 123 static const char *wm8753_radcsel[] = {"PGA", "Line or RXP-RXN", "Sidetone"}; 124 static const char *wm8753_ladcsel[] = {"PGA", "Line or RXP-RXN", "Line"}; 125 static const char *wm8753_mono_adc[] = {"Stereo", "Analogue Mix Left", 126 "Analogue Mix Right", "Digital Mono Mix"}; 127 static const char *wm8753_adc_hp[] = {"3.4Hz @ 48kHz", "82Hz @ 16k", 128 "82Hz @ 8kHz", "170Hz @ 8kHz"}; 129 static const char *wm8753_adc_filter[] = {"HiFi", "Voice"}; 130 static const char *wm8753_mic_sel[] = {"Mic 1", "Mic 2", "Mic 3"}; 131 static const char *wm8753_dai_mode[] = {"DAI 0", "DAI 1", "DAI 2", "DAI 3"}; 132 static const char *wm8753_dat_sel[] = {"Stereo", "Left ADC", "Right ADC", 133 "Channel Swap"}; 134 static const char *wm8753_rout2_phase[] = {"Non Inverted", "Inverted"}; 135 136 static const struct soc_enum wm8753_enum[] = { 137 SOC_ENUM_SINGLE(WM8753_BASS, 7, 2, wm8753_base), 138 SOC_ENUM_SINGLE(WM8753_BASS, 4, 6, wm8753_base_filter), 139 SOC_ENUM_SINGLE(WM8753_TREBLE, 6, 2, wm8753_treble), 140 SOC_ENUM_SINGLE(WM8753_ALC1, 7, 4, wm8753_alc_func), 141 SOC_ENUM_SINGLE(WM8753_NGATE, 1, 2, wm8753_ng_type), 142 SOC_ENUM_SINGLE(WM8753_3D, 7, 2, wm8753_3d_func), 143 SOC_ENUM_SINGLE(WM8753_3D, 6, 2, wm8753_3d_uc), 144 SOC_ENUM_SINGLE(WM8753_3D, 5, 2, wm8753_3d_lc), 145 SOC_ENUM_SINGLE(WM8753_DAC, 1, 4, wm8753_deemp), 146 SOC_ENUM_SINGLE(WM8753_DAC, 4, 4, wm8753_mono_mix), 147 SOC_ENUM_SINGLE(WM8753_DAC, 6, 2, wm8753_dac_phase), 148 SOC_ENUM_SINGLE(WM8753_INCTL1, 3, 4, wm8753_line_mix), 149 SOC_ENUM_SINGLE(WM8753_INCTL1, 2, 2, wm8753_mono_mux), 150 SOC_ENUM_SINGLE(WM8753_INCTL1, 1, 2, wm8753_right_mux), 151 SOC_ENUM_SINGLE(WM8753_INCTL1, 0, 2, wm8753_left_mux), 152 SOC_ENUM_SINGLE(WM8753_INCTL2, 6, 4, wm8753_rxmsel), 153 SOC_ENUM_SINGLE(WM8753_INCTL2, 4, 4, wm8753_sidetone_mux), 154 SOC_ENUM_SINGLE(WM8753_OUTCTL, 7, 4, wm8753_mono2_src), 155 SOC_ENUM_SINGLE(WM8753_OUTCTL, 0, 3, wm8753_out3), 156 SOC_ENUM_SINGLE(WM8753_ADCTL2, 7, 3, wm8753_out4), 157 SOC_ENUM_SINGLE(WM8753_ADCIN, 2, 3, wm8753_radcsel), 158 SOC_ENUM_SINGLE(WM8753_ADCIN, 0, 3, wm8753_ladcsel), 159 SOC_ENUM_SINGLE(WM8753_ADCIN, 4, 4, wm8753_mono_adc), 160 SOC_ENUM_SINGLE(WM8753_ADC, 2, 4, wm8753_adc_hp), 161 SOC_ENUM_SINGLE(WM8753_ADC, 4, 2, wm8753_adc_filter), 162 SOC_ENUM_SINGLE(WM8753_MICBIAS, 6, 3, wm8753_mic_sel), 163 SOC_ENUM_SINGLE(WM8753_IOCTL, 2, 4, wm8753_dai_mode), 164 SOC_ENUM_SINGLE(WM8753_ADC, 7, 4, wm8753_dat_sel), 165 SOC_ENUM_SINGLE(WM8753_OUTCTL, 2, 2, wm8753_rout2_phase), 166 }; 167 168 169 static int wm8753_get_dai(struct snd_kcontrol *kcontrol, 170 struct snd_ctl_elem_value *ucontrol) 171 { 172 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); 173 int mode = snd_soc_read(codec, WM8753_IOCTL); 174 175 ucontrol->value.integer.value[0] = (mode & 0xc) >> 2; 176 return 0; 177 } 178 179 static int wm8753_set_dai(struct snd_kcontrol *kcontrol, 180 struct snd_ctl_elem_value *ucontrol) 181 { 182 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); 183 int mode = snd_soc_read(codec, WM8753_IOCTL); 184 struct wm8753_priv *wm8753 = snd_soc_codec_get_drvdata(codec); 185 186 if (((mode & 0xc) >> 2) == ucontrol->value.integer.value[0]) 187 return 0; 188 189 mode &= 0xfff3; 190 mode |= (ucontrol->value.integer.value[0] << 2); 191 192 wm8753->dai_func = ucontrol->value.integer.value[0]; 193 return 1; 194 } 195 196 static const DECLARE_TLV_DB_SCALE(rec_mix_tlv, -1500, 300, 0); 197 static const DECLARE_TLV_DB_SCALE(mic_preamp_tlv, 1200, 600, 0); 198 static const DECLARE_TLV_DB_SCALE(adc_tlv, -9750, 50, 1); 199 static const DECLARE_TLV_DB_SCALE(dac_tlv, -12750, 50, 1); 200 static const unsigned int out_tlv[] = { 201 TLV_DB_RANGE_HEAD(2), 202 /* 0000000 - 0101111 = "Analogue mute" */ 203 0, 48, TLV_DB_SCALE_ITEM(-25500, 0, 0), 204 48, 127, TLV_DB_SCALE_ITEM(-7300, 100, 0), 205 }; 206 static const DECLARE_TLV_DB_SCALE(mix_tlv, -1500, 300, 0); 207 static const DECLARE_TLV_DB_SCALE(voice_mix_tlv, -1200, 300, 0); 208 static const DECLARE_TLV_DB_SCALE(pga_tlv, -1725, 75, 0); 209 210 static const struct snd_kcontrol_new wm8753_snd_controls[] = { 211 SOC_DOUBLE_R_TLV("PCM Volume", WM8753_LDAC, WM8753_RDAC, 0, 255, 0, dac_tlv), 212 213 SOC_DOUBLE_R_TLV("ADC Capture Volume", WM8753_LADC, WM8753_RADC, 0, 255, 0, 214 adc_tlv), 215 216 SOC_DOUBLE_R_TLV("Headphone Playback Volume", WM8753_LOUT1V, WM8753_ROUT1V, 217 0, 127, 0, out_tlv), 218 SOC_DOUBLE_R_TLV("Speaker Playback Volume", WM8753_LOUT2V, WM8753_ROUT2V, 0, 219 127, 0, out_tlv), 220 221 SOC_SINGLE_TLV("Mono Playback Volume", WM8753_MOUTV, 0, 127, 0, out_tlv), 222 223 SOC_DOUBLE_R_TLV("Bypass Playback Volume", WM8753_LOUTM1, WM8753_ROUTM1, 4, 7, 224 1, mix_tlv), 225 SOC_DOUBLE_R_TLV("Sidetone Playback Volume", WM8753_LOUTM2, WM8753_ROUTM2, 4, 226 7, 1, mix_tlv), 227 SOC_DOUBLE_R_TLV("Voice Playback Volume", WM8753_LOUTM2, WM8753_ROUTM2, 0, 7, 228 1, voice_mix_tlv), 229 230 SOC_DOUBLE_R("Headphone Playback ZC Switch", WM8753_LOUT1V, WM8753_ROUT1V, 7, 231 1, 0), 232 SOC_DOUBLE_R("Speaker Playback ZC Switch", WM8753_LOUT2V, WM8753_ROUT2V, 7, 233 1, 0), 234 235 SOC_SINGLE_TLV("Mono Bypass Playback Volume", WM8753_MOUTM1, 4, 7, 1, mix_tlv), 236 SOC_SINGLE_TLV("Mono Sidetone Playback Volume", WM8753_MOUTM2, 4, 7, 1, 237 mix_tlv), 238 SOC_SINGLE_TLV("Mono Voice Playback Volume", WM8753_MOUTM2, 0, 7, 1, 239 voice_mix_tlv), 240 SOC_SINGLE("Mono Playback ZC Switch", WM8753_MOUTV, 7, 1, 0), 241 242 SOC_ENUM("Bass Boost", wm8753_enum[0]), 243 SOC_ENUM("Bass Filter", wm8753_enum[1]), 244 SOC_SINGLE("Bass Volume", WM8753_BASS, 0, 15, 1), 245 246 SOC_SINGLE("Treble Volume", WM8753_TREBLE, 0, 15, 1), 247 SOC_ENUM("Treble Cut-off", wm8753_enum[2]), 248 249 SOC_DOUBLE_TLV("Sidetone Capture Volume", WM8753_RECMIX1, 0, 4, 7, 1, 250 rec_mix_tlv), 251 SOC_SINGLE_TLV("Voice Sidetone Capture Volume", WM8753_RECMIX2, 0, 7, 1, 252 rec_mix_tlv), 253 254 SOC_DOUBLE_R_TLV("Capture Volume", WM8753_LINVOL, WM8753_RINVOL, 0, 63, 0, 255 pga_tlv), 256 SOC_DOUBLE_R("Capture ZC Switch", WM8753_LINVOL, WM8753_RINVOL, 6, 1, 0), 257 SOC_DOUBLE_R("Capture Switch", WM8753_LINVOL, WM8753_RINVOL, 7, 1, 1), 258 259 SOC_ENUM("Capture Filter Select", wm8753_enum[23]), 260 SOC_ENUM("Capture Filter Cut-off", wm8753_enum[24]), 261 SOC_SINGLE("Capture Filter Switch", WM8753_ADC, 0, 1, 1), 262 263 SOC_SINGLE("ALC Capture Target Volume", WM8753_ALC1, 0, 7, 0), 264 SOC_SINGLE("ALC Capture Max Volume", WM8753_ALC1, 4, 7, 0), 265 SOC_ENUM("ALC Capture Function", wm8753_enum[3]), 266 SOC_SINGLE("ALC Capture ZC Switch", WM8753_ALC2, 8, 1, 0), 267 SOC_SINGLE("ALC Capture Hold Time", WM8753_ALC2, 0, 15, 1), 268 SOC_SINGLE("ALC Capture Decay Time", WM8753_ALC3, 4, 15, 1), 269 SOC_SINGLE("ALC Capture Attack Time", WM8753_ALC3, 0, 15, 0), 270 SOC_SINGLE("ALC Capture NG Threshold", WM8753_NGATE, 3, 31, 0), 271 SOC_ENUM("ALC Capture NG Type", wm8753_enum[4]), 272 SOC_SINGLE("ALC Capture NG Switch", WM8753_NGATE, 0, 1, 0), 273 274 SOC_ENUM("3D Function", wm8753_enum[5]), 275 SOC_ENUM("3D Upper Cut-off", wm8753_enum[6]), 276 SOC_ENUM("3D Lower Cut-off", wm8753_enum[7]), 277 SOC_SINGLE("3D Volume", WM8753_3D, 1, 15, 0), 278 SOC_SINGLE("3D Switch", WM8753_3D, 0, 1, 0), 279 280 SOC_SINGLE("Capture 6dB Attenuate", WM8753_ADCTL1, 2, 1, 0), 281 SOC_SINGLE("Playback 6dB Attenuate", WM8753_ADCTL1, 1, 1, 0), 282 283 SOC_ENUM("De-emphasis", wm8753_enum[8]), 284 SOC_ENUM("Playback Mono Mix", wm8753_enum[9]), 285 SOC_ENUM("Playback Phase", wm8753_enum[10]), 286 287 SOC_SINGLE_TLV("Mic2 Capture Volume", WM8753_INCTL1, 7, 3, 0, mic_preamp_tlv), 288 SOC_SINGLE_TLV("Mic1 Capture Volume", WM8753_INCTL1, 5, 3, 0, mic_preamp_tlv), 289 290 SOC_ENUM_EXT("DAI Mode", wm8753_enum[26], wm8753_get_dai, wm8753_set_dai), 291 292 SOC_ENUM("ADC Data Select", wm8753_enum[27]), 293 SOC_ENUM("ROUT2 Phase", wm8753_enum[28]), 294 }; 295 296 /* 297 * _DAPM_ Controls 298 */ 299 300 /* Left Mixer */ 301 static const struct snd_kcontrol_new wm8753_left_mixer_controls[] = { 302 SOC_DAPM_SINGLE("Voice Playback Switch", WM8753_LOUTM2, 8, 1, 0), 303 SOC_DAPM_SINGLE("Sidetone Playback Switch", WM8753_LOUTM2, 7, 1, 0), 304 SOC_DAPM_SINGLE("Left Playback Switch", WM8753_LOUTM1, 8, 1, 0), 305 SOC_DAPM_SINGLE("Bypass Playback Switch", WM8753_LOUTM1, 7, 1, 0), 306 }; 307 308 /* Right mixer */ 309 static const struct snd_kcontrol_new wm8753_right_mixer_controls[] = { 310 SOC_DAPM_SINGLE("Voice Playback Switch", WM8753_ROUTM2, 8, 1, 0), 311 SOC_DAPM_SINGLE("Sidetone Playback Switch", WM8753_ROUTM2, 7, 1, 0), 312 SOC_DAPM_SINGLE("Right Playback Switch", WM8753_ROUTM1, 8, 1, 0), 313 SOC_DAPM_SINGLE("Bypass Playback Switch", WM8753_ROUTM1, 7, 1, 0), 314 }; 315 316 /* Mono mixer */ 317 static const struct snd_kcontrol_new wm8753_mono_mixer_controls[] = { 318 SOC_DAPM_SINGLE("Left Playback Switch", WM8753_MOUTM1, 8, 1, 0), 319 SOC_DAPM_SINGLE("Right Playback Switch", WM8753_MOUTM2, 8, 1, 0), 320 SOC_DAPM_SINGLE("Voice Playback Switch", WM8753_MOUTM2, 3, 1, 0), 321 SOC_DAPM_SINGLE("Sidetone Playback Switch", WM8753_MOUTM2, 7, 1, 0), 322 SOC_DAPM_SINGLE("Bypass Playback Switch", WM8753_MOUTM1, 7, 1, 0), 323 }; 324 325 /* Mono 2 Mux */ 326 static const struct snd_kcontrol_new wm8753_mono2_controls = 327 SOC_DAPM_ENUM("Route", wm8753_enum[17]); 328 329 /* Out 3 Mux */ 330 static const struct snd_kcontrol_new wm8753_out3_controls = 331 SOC_DAPM_ENUM("Route", wm8753_enum[18]); 332 333 /* Out 4 Mux */ 334 static const struct snd_kcontrol_new wm8753_out4_controls = 335 SOC_DAPM_ENUM("Route", wm8753_enum[19]); 336 337 /* ADC Mono Mix */ 338 static const struct snd_kcontrol_new wm8753_adc_mono_controls = 339 SOC_DAPM_ENUM("Route", wm8753_enum[22]); 340 341 /* Record mixer */ 342 static const struct snd_kcontrol_new wm8753_record_mixer_controls[] = { 343 SOC_DAPM_SINGLE("Voice Capture Switch", WM8753_RECMIX2, 3, 1, 0), 344 SOC_DAPM_SINGLE("Left Capture Switch", WM8753_RECMIX1, 3, 1, 0), 345 SOC_DAPM_SINGLE("Right Capture Switch", WM8753_RECMIX1, 7, 1, 0), 346 }; 347 348 /* Left ADC mux */ 349 static const struct snd_kcontrol_new wm8753_adc_left_controls = 350 SOC_DAPM_ENUM("Route", wm8753_enum[21]); 351 352 /* Right ADC mux */ 353 static const struct snd_kcontrol_new wm8753_adc_right_controls = 354 SOC_DAPM_ENUM("Route", wm8753_enum[20]); 355 356 /* MIC mux */ 357 static const struct snd_kcontrol_new wm8753_mic_mux_controls = 358 SOC_DAPM_ENUM("Route", wm8753_enum[16]); 359 360 /* ALC mixer */ 361 static const struct snd_kcontrol_new wm8753_alc_mixer_controls[] = { 362 SOC_DAPM_SINGLE("Line Capture Switch", WM8753_INCTL2, 3, 1, 0), 363 SOC_DAPM_SINGLE("Mic2 Capture Switch", WM8753_INCTL2, 2, 1, 0), 364 SOC_DAPM_SINGLE("Mic1 Capture Switch", WM8753_INCTL2, 1, 1, 0), 365 SOC_DAPM_SINGLE("Rx Capture Switch", WM8753_INCTL2, 0, 1, 0), 366 }; 367 368 /* Left Line mux */ 369 static const struct snd_kcontrol_new wm8753_line_left_controls = 370 SOC_DAPM_ENUM("Route", wm8753_enum[14]); 371 372 /* Right Line mux */ 373 static const struct snd_kcontrol_new wm8753_line_right_controls = 374 SOC_DAPM_ENUM("Route", wm8753_enum[13]); 375 376 /* Mono Line mux */ 377 static const struct snd_kcontrol_new wm8753_line_mono_controls = 378 SOC_DAPM_ENUM("Route", wm8753_enum[12]); 379 380 /* Line mux and mixer */ 381 static const struct snd_kcontrol_new wm8753_line_mux_mix_controls = 382 SOC_DAPM_ENUM("Route", wm8753_enum[11]); 383 384 /* Rx mux and mixer */ 385 static const struct snd_kcontrol_new wm8753_rx_mux_mix_controls = 386 SOC_DAPM_ENUM("Route", wm8753_enum[15]); 387 388 /* Mic Selector Mux */ 389 static const struct snd_kcontrol_new wm8753_mic_sel_mux_controls = 390 SOC_DAPM_ENUM("Route", wm8753_enum[25]); 391 392 static const struct snd_soc_dapm_widget wm8753_dapm_widgets[] = { 393 SND_SOC_DAPM_MICBIAS("Mic Bias", WM8753_PWR1, 5, 0), 394 SND_SOC_DAPM_MIXER("Left Mixer", WM8753_PWR4, 0, 0, 395 &wm8753_left_mixer_controls[0], ARRAY_SIZE(wm8753_left_mixer_controls)), 396 SND_SOC_DAPM_PGA("Left Out 1", WM8753_PWR3, 8, 0, NULL, 0), 397 SND_SOC_DAPM_PGA("Left Out 2", WM8753_PWR3, 6, 0, NULL, 0), 398 SND_SOC_DAPM_DAC("Left DAC", "Left HiFi Playback", WM8753_PWR1, 3, 0), 399 SND_SOC_DAPM_OUTPUT("LOUT1"), 400 SND_SOC_DAPM_OUTPUT("LOUT2"), 401 SND_SOC_DAPM_MIXER("Right Mixer", WM8753_PWR4, 1, 0, 402 &wm8753_right_mixer_controls[0], ARRAY_SIZE(wm8753_right_mixer_controls)), 403 SND_SOC_DAPM_PGA("Right Out 1", WM8753_PWR3, 7, 0, NULL, 0), 404 SND_SOC_DAPM_PGA("Right Out 2", WM8753_PWR3, 5, 0, NULL, 0), 405 SND_SOC_DAPM_DAC("Right DAC", "Right HiFi Playback", WM8753_PWR1, 2, 0), 406 SND_SOC_DAPM_OUTPUT("ROUT1"), 407 SND_SOC_DAPM_OUTPUT("ROUT2"), 408 SND_SOC_DAPM_MIXER("Mono Mixer", WM8753_PWR4, 2, 0, 409 &wm8753_mono_mixer_controls[0], ARRAY_SIZE(wm8753_mono_mixer_controls)), 410 SND_SOC_DAPM_PGA("Mono Out 1", WM8753_PWR3, 2, 0, NULL, 0), 411 SND_SOC_DAPM_PGA("Mono Out 2", WM8753_PWR3, 1, 0, NULL, 0), 412 SND_SOC_DAPM_DAC("Voice DAC", "Voice Playback", WM8753_PWR1, 4, 0), 413 SND_SOC_DAPM_OUTPUT("MONO1"), 414 SND_SOC_DAPM_MUX("Mono 2 Mux", SND_SOC_NOPM, 0, 0, &wm8753_mono2_controls), 415 SND_SOC_DAPM_OUTPUT("MONO2"), 416 SND_SOC_DAPM_MIXER("Out3 Left + Right", -1, 0, 0, NULL, 0), 417 SND_SOC_DAPM_MUX("Out3 Mux", SND_SOC_NOPM, 0, 0, &wm8753_out3_controls), 418 SND_SOC_DAPM_PGA("Out 3", WM8753_PWR3, 4, 0, NULL, 0), 419 SND_SOC_DAPM_OUTPUT("OUT3"), 420 SND_SOC_DAPM_MUX("Out4 Mux", SND_SOC_NOPM, 0, 0, &wm8753_out4_controls), 421 SND_SOC_DAPM_PGA("Out 4", WM8753_PWR3, 3, 0, NULL, 0), 422 SND_SOC_DAPM_OUTPUT("OUT4"), 423 SND_SOC_DAPM_MIXER("Playback Mixer", WM8753_PWR4, 3, 0, 424 &wm8753_record_mixer_controls[0], 425 ARRAY_SIZE(wm8753_record_mixer_controls)), 426 SND_SOC_DAPM_ADC("Left ADC", "Left Capture", WM8753_PWR2, 3, 0), 427 SND_SOC_DAPM_ADC("Right ADC", "Right Capture", WM8753_PWR2, 2, 0), 428 SND_SOC_DAPM_MUX("Capture Left Mixer", SND_SOC_NOPM, 0, 0, 429 &wm8753_adc_mono_controls), 430 SND_SOC_DAPM_MUX("Capture Right Mixer", SND_SOC_NOPM, 0, 0, 431 &wm8753_adc_mono_controls), 432 SND_SOC_DAPM_MUX("Capture Left Mux", SND_SOC_NOPM, 0, 0, 433 &wm8753_adc_left_controls), 434 SND_SOC_DAPM_MUX("Capture Right Mux", SND_SOC_NOPM, 0, 0, 435 &wm8753_adc_right_controls), 436 SND_SOC_DAPM_MUX("Mic Sidetone Mux", SND_SOC_NOPM, 0, 0, 437 &wm8753_mic_mux_controls), 438 SND_SOC_DAPM_PGA("Left Capture Volume", WM8753_PWR2, 5, 0, NULL, 0), 439 SND_SOC_DAPM_PGA("Right Capture Volume", WM8753_PWR2, 4, 0, NULL, 0), 440 SND_SOC_DAPM_MIXER("ALC Mixer", WM8753_PWR2, 6, 0, 441 &wm8753_alc_mixer_controls[0], ARRAY_SIZE(wm8753_alc_mixer_controls)), 442 SND_SOC_DAPM_MUX("Line Left Mux", SND_SOC_NOPM, 0, 0, 443 &wm8753_line_left_controls), 444 SND_SOC_DAPM_MUX("Line Right Mux", SND_SOC_NOPM, 0, 0, 445 &wm8753_line_right_controls), 446 SND_SOC_DAPM_MUX("Line Mono Mux", SND_SOC_NOPM, 0, 0, 447 &wm8753_line_mono_controls), 448 SND_SOC_DAPM_MUX("Line Mixer", WM8753_PWR2, 0, 0, 449 &wm8753_line_mux_mix_controls), 450 SND_SOC_DAPM_MUX("Rx Mixer", WM8753_PWR2, 1, 0, 451 &wm8753_rx_mux_mix_controls), 452 SND_SOC_DAPM_PGA("Mic 1 Volume", WM8753_PWR2, 8, 0, NULL, 0), 453 SND_SOC_DAPM_PGA("Mic 2 Volume", WM8753_PWR2, 7, 0, NULL, 0), 454 SND_SOC_DAPM_MUX("Mic Selection Mux", SND_SOC_NOPM, 0, 0, 455 &wm8753_mic_sel_mux_controls), 456 SND_SOC_DAPM_INPUT("LINE1"), 457 SND_SOC_DAPM_INPUT("LINE2"), 458 SND_SOC_DAPM_INPUT("RXP"), 459 SND_SOC_DAPM_INPUT("RXN"), 460 SND_SOC_DAPM_INPUT("ACIN"), 461 SND_SOC_DAPM_OUTPUT("ACOP"), 462 SND_SOC_DAPM_INPUT("MIC1N"), 463 SND_SOC_DAPM_INPUT("MIC1"), 464 SND_SOC_DAPM_INPUT("MIC2N"), 465 SND_SOC_DAPM_INPUT("MIC2"), 466 SND_SOC_DAPM_VMID("VREF"), 467 }; 468 469 static const struct snd_soc_dapm_route audio_map[] = { 470 /* left mixer */ 471 {"Left Mixer", "Left Playback Switch", "Left DAC"}, 472 {"Left Mixer", "Voice Playback Switch", "Voice DAC"}, 473 {"Left Mixer", "Sidetone Playback Switch", "Mic Sidetone Mux"}, 474 {"Left Mixer", "Bypass Playback Switch", "Line Left Mux"}, 475 476 /* right mixer */ 477 {"Right Mixer", "Right Playback Switch", "Right DAC"}, 478 {"Right Mixer", "Voice Playback Switch", "Voice DAC"}, 479 {"Right Mixer", "Sidetone Playback Switch", "Mic Sidetone Mux"}, 480 {"Right Mixer", "Bypass Playback Switch", "Line Right Mux"}, 481 482 /* mono mixer */ 483 {"Mono Mixer", "Voice Playback Switch", "Voice DAC"}, 484 {"Mono Mixer", "Left Playback Switch", "Left DAC"}, 485 {"Mono Mixer", "Right Playback Switch", "Right DAC"}, 486 {"Mono Mixer", "Sidetone Playback Switch", "Mic Sidetone Mux"}, 487 {"Mono Mixer", "Bypass Playback Switch", "Line Mono Mux"}, 488 489 /* left out */ 490 {"Left Out 1", NULL, "Left Mixer"}, 491 {"Left Out 2", NULL, "Left Mixer"}, 492 {"LOUT1", NULL, "Left Out 1"}, 493 {"LOUT2", NULL, "Left Out 2"}, 494 495 /* right out */ 496 {"Right Out 1", NULL, "Right Mixer"}, 497 {"Right Out 2", NULL, "Right Mixer"}, 498 {"ROUT1", NULL, "Right Out 1"}, 499 {"ROUT2", NULL, "Right Out 2"}, 500 501 /* mono 1 out */ 502 {"Mono Out 1", NULL, "Mono Mixer"}, 503 {"MONO1", NULL, "Mono Out 1"}, 504 505 /* mono 2 out */ 506 {"Mono 2 Mux", "Left + Right", "Out3 Left + Right"}, 507 {"Mono 2 Mux", "Inverted Mono 1", "MONO1"}, 508 {"Mono 2 Mux", "Left", "Left Mixer"}, 509 {"Mono 2 Mux", "Right", "Right Mixer"}, 510 {"Mono Out 2", NULL, "Mono 2 Mux"}, 511 {"MONO2", NULL, "Mono Out 2"}, 512 513 /* out 3 */ 514 {"Out3 Left + Right", NULL, "Left Mixer"}, 515 {"Out3 Left + Right", NULL, "Right Mixer"}, 516 {"Out3 Mux", "VREF", "VREF"}, 517 {"Out3 Mux", "Left + Right", "Out3 Left + Right"}, 518 {"Out3 Mux", "ROUT2", "ROUT2"}, 519 {"Out 3", NULL, "Out3 Mux"}, 520 {"OUT3", NULL, "Out 3"}, 521 522 /* out 4 */ 523 {"Out4 Mux", "VREF", "VREF"}, 524 {"Out4 Mux", "Capture ST", "Playback Mixer"}, 525 {"Out4 Mux", "LOUT2", "LOUT2"}, 526 {"Out 4", NULL, "Out4 Mux"}, 527 {"OUT4", NULL, "Out 4"}, 528 529 /* record mixer */ 530 {"Playback Mixer", "Left Capture Switch", "Left Mixer"}, 531 {"Playback Mixer", "Voice Capture Switch", "Mono Mixer"}, 532 {"Playback Mixer", "Right Capture Switch", "Right Mixer"}, 533 534 /* Mic/SideTone Mux */ 535 {"Mic Sidetone Mux", "Left PGA", "Left Capture Volume"}, 536 {"Mic Sidetone Mux", "Right PGA", "Right Capture Volume"}, 537 {"Mic Sidetone Mux", "Mic 1", "Mic 1 Volume"}, 538 {"Mic Sidetone Mux", "Mic 2", "Mic 2 Volume"}, 539 540 /* Capture Left Mux */ 541 {"Capture Left Mux", "PGA", "Left Capture Volume"}, 542 {"Capture Left Mux", "Line or RXP-RXN", "Line Left Mux"}, 543 {"Capture Left Mux", "Line", "LINE1"}, 544 545 /* Capture Right Mux */ 546 {"Capture Right Mux", "PGA", "Right Capture Volume"}, 547 {"Capture Right Mux", "Line or RXP-RXN", "Line Right Mux"}, 548 {"Capture Right Mux", "Sidetone", "Playback Mixer"}, 549 550 /* Mono Capture mixer-mux */ 551 {"Capture Right Mixer", "Stereo", "Capture Right Mux"}, 552 {"Capture Left Mixer", "Stereo", "Capture Left Mux"}, 553 {"Capture Left Mixer", "Analogue Mix Left", "Capture Left Mux"}, 554 {"Capture Left Mixer", "Analogue Mix Left", "Capture Right Mux"}, 555 {"Capture Right Mixer", "Analogue Mix Right", "Capture Left Mux"}, 556 {"Capture Right Mixer", "Analogue Mix Right", "Capture Right Mux"}, 557 {"Capture Left Mixer", "Digital Mono Mix", "Capture Left Mux"}, 558 {"Capture Left Mixer", "Digital Mono Mix", "Capture Right Mux"}, 559 {"Capture Right Mixer", "Digital Mono Mix", "Capture Left Mux"}, 560 {"Capture Right Mixer", "Digital Mono Mix", "Capture Right Mux"}, 561 562 /* ADC */ 563 {"Left ADC", NULL, "Capture Left Mixer"}, 564 {"Right ADC", NULL, "Capture Right Mixer"}, 565 566 /* Left Capture Volume */ 567 {"Left Capture Volume", NULL, "ACIN"}, 568 569 /* Right Capture Volume */ 570 {"Right Capture Volume", NULL, "Mic 2 Volume"}, 571 572 /* ALC Mixer */ 573 {"ALC Mixer", "Line Capture Switch", "Line Mixer"}, 574 {"ALC Mixer", "Mic2 Capture Switch", "Mic 2 Volume"}, 575 {"ALC Mixer", "Mic1 Capture Switch", "Mic 1 Volume"}, 576 {"ALC Mixer", "Rx Capture Switch", "Rx Mixer"}, 577 578 /* Line Left Mux */ 579 {"Line Left Mux", "Line 1", "LINE1"}, 580 {"Line Left Mux", "Rx Mix", "Rx Mixer"}, 581 582 /* Line Right Mux */ 583 {"Line Right Mux", "Line 2", "LINE2"}, 584 {"Line Right Mux", "Rx Mix", "Rx Mixer"}, 585 586 /* Line Mono Mux */ 587 {"Line Mono Mux", "Line Mix", "Line Mixer"}, 588 {"Line Mono Mux", "Rx Mix", "Rx Mixer"}, 589 590 /* Line Mixer/Mux */ 591 {"Line Mixer", "Line 1 + 2", "LINE1"}, 592 {"Line Mixer", "Line 1 - 2", "LINE1"}, 593 {"Line Mixer", "Line 1 + 2", "LINE2"}, 594 {"Line Mixer", "Line 1 - 2", "LINE2"}, 595 {"Line Mixer", "Line 1", "LINE1"}, 596 {"Line Mixer", "Line 2", "LINE2"}, 597 598 /* Rx Mixer/Mux */ 599 {"Rx Mixer", "RXP - RXN", "RXP"}, 600 {"Rx Mixer", "RXP + RXN", "RXP"}, 601 {"Rx Mixer", "RXP - RXN", "RXN"}, 602 {"Rx Mixer", "RXP + RXN", "RXN"}, 603 {"Rx Mixer", "RXP", "RXP"}, 604 {"Rx Mixer", "RXN", "RXN"}, 605 606 /* Mic 1 Volume */ 607 {"Mic 1 Volume", NULL, "MIC1N"}, 608 {"Mic 1 Volume", NULL, "Mic Selection Mux"}, 609 610 /* Mic 2 Volume */ 611 {"Mic 2 Volume", NULL, "MIC2N"}, 612 {"Mic 2 Volume", NULL, "MIC2"}, 613 614 /* Mic Selector Mux */ 615 {"Mic Selection Mux", "Mic 1", "MIC1"}, 616 {"Mic Selection Mux", "Mic 2", "MIC2N"}, 617 {"Mic Selection Mux", "Mic 3", "MIC2"}, 618 619 /* ACOP */ 620 {"ACOP", NULL, "ALC Mixer"}, 621 }; 622 623 static int wm8753_add_widgets(struct snd_soc_codec *codec) 624 { 625 struct snd_soc_dapm_context *dapm = &codec->dapm; 626 627 snd_soc_dapm_new_controls(dapm, wm8753_dapm_widgets, 628 ARRAY_SIZE(wm8753_dapm_widgets)); 629 snd_soc_dapm_add_routes(dapm, audio_map, ARRAY_SIZE(audio_map)); 630 631 return 0; 632 } 633 634 /* PLL divisors */ 635 struct _pll_div { 636 u32 div2:1; 637 u32 n:4; 638 u32 k:24; 639 }; 640 641 /* The size in bits of the pll divide multiplied by 10 642 * to allow rounding later */ 643 #define FIXED_PLL_SIZE ((1 << 22) * 10) 644 645 static void pll_factors(struct _pll_div *pll_div, unsigned int target, 646 unsigned int source) 647 { 648 u64 Kpart; 649 unsigned int K, Ndiv, Nmod; 650 651 Ndiv = target / source; 652 if (Ndiv < 6) { 653 source >>= 1; 654 pll_div->div2 = 1; 655 Ndiv = target / source; 656 } else 657 pll_div->div2 = 0; 658 659 if ((Ndiv < 6) || (Ndiv > 12)) 660 printk(KERN_WARNING 661 "wm8753: unsupported N = %u\n", Ndiv); 662 663 pll_div->n = Ndiv; 664 Nmod = target % source; 665 Kpart = FIXED_PLL_SIZE * (long long)Nmod; 666 667 do_div(Kpart, source); 668 669 K = Kpart & 0xFFFFFFFF; 670 671 /* Check if we need to round */ 672 if ((K % 10) >= 5) 673 K += 5; 674 675 /* Move down to proper range now rounding is done */ 676 K /= 10; 677 678 pll_div->k = K; 679 } 680 681 static int wm8753_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id, 682 int source, unsigned int freq_in, unsigned int freq_out) 683 { 684 u16 reg, enable; 685 int offset; 686 struct snd_soc_codec *codec = codec_dai->codec; 687 688 if (pll_id < WM8753_PLL1 || pll_id > WM8753_PLL2) 689 return -ENODEV; 690 691 if (pll_id == WM8753_PLL1) { 692 offset = 0; 693 enable = 0x10; 694 reg = snd_soc_read(codec, WM8753_CLOCK) & 0xffef; 695 } else { 696 offset = 4; 697 enable = 0x8; 698 reg = snd_soc_read(codec, WM8753_CLOCK) & 0xfff7; 699 } 700 701 if (!freq_in || !freq_out) { 702 /* disable PLL */ 703 snd_soc_write(codec, WM8753_PLL1CTL1 + offset, 0x0026); 704 snd_soc_write(codec, WM8753_CLOCK, reg); 705 return 0; 706 } else { 707 u16 value = 0; 708 struct _pll_div pll_div; 709 710 pll_factors(&pll_div, freq_out * 8, freq_in); 711 712 /* set up N and K PLL divisor ratios */ 713 /* bits 8:5 = PLL_N, bits 3:0 = PLL_K[21:18] */ 714 value = (pll_div.n << 5) + ((pll_div.k & 0x3c0000) >> 18); 715 snd_soc_write(codec, WM8753_PLL1CTL2 + offset, value); 716 717 /* bits 8:0 = PLL_K[17:9] */ 718 value = (pll_div.k & 0x03fe00) >> 9; 719 snd_soc_write(codec, WM8753_PLL1CTL3 + offset, value); 720 721 /* bits 8:0 = PLL_K[8:0] */ 722 value = pll_div.k & 0x0001ff; 723 snd_soc_write(codec, WM8753_PLL1CTL4 + offset, value); 724 725 /* set PLL as input and enable */ 726 snd_soc_write(codec, WM8753_PLL1CTL1 + offset, 0x0027 | 727 (pll_div.div2 << 3)); 728 snd_soc_write(codec, WM8753_CLOCK, reg | enable); 729 } 730 return 0; 731 } 732 733 struct _coeff_div { 734 u32 mclk; 735 u32 rate; 736 u8 sr:5; 737 u8 usb:1; 738 }; 739 740 /* codec hifi mclk (after PLL) clock divider coefficients */ 741 static const struct _coeff_div coeff_div[] = { 742 /* 8k */ 743 {12288000, 8000, 0x6, 0x0}, 744 {11289600, 8000, 0x16, 0x0}, 745 {18432000, 8000, 0x7, 0x0}, 746 {16934400, 8000, 0x17, 0x0}, 747 {12000000, 8000, 0x6, 0x1}, 748 749 /* 11.025k */ 750 {11289600, 11025, 0x18, 0x0}, 751 {16934400, 11025, 0x19, 0x0}, 752 {12000000, 11025, 0x19, 0x1}, 753 754 /* 16k */ 755 {12288000, 16000, 0xa, 0x0}, 756 {18432000, 16000, 0xb, 0x0}, 757 {12000000, 16000, 0xa, 0x1}, 758 759 /* 22.05k */ 760 {11289600, 22050, 0x1a, 0x0}, 761 {16934400, 22050, 0x1b, 0x0}, 762 {12000000, 22050, 0x1b, 0x1}, 763 764 /* 32k */ 765 {12288000, 32000, 0xc, 0x0}, 766 {18432000, 32000, 0xd, 0x0}, 767 {12000000, 32000, 0xa, 0x1}, 768 769 /* 44.1k */ 770 {11289600, 44100, 0x10, 0x0}, 771 {16934400, 44100, 0x11, 0x0}, 772 {12000000, 44100, 0x11, 0x1}, 773 774 /* 48k */ 775 {12288000, 48000, 0x0, 0x0}, 776 {18432000, 48000, 0x1, 0x0}, 777 {12000000, 48000, 0x0, 0x1}, 778 779 /* 88.2k */ 780 {11289600, 88200, 0x1e, 0x0}, 781 {16934400, 88200, 0x1f, 0x0}, 782 {12000000, 88200, 0x1f, 0x1}, 783 784 /* 96k */ 785 {12288000, 96000, 0xe, 0x0}, 786 {18432000, 96000, 0xf, 0x0}, 787 {12000000, 96000, 0xe, 0x1}, 788 }; 789 790 static int get_coeff(int mclk, int rate) 791 { 792 int i; 793 794 for (i = 0; i < ARRAY_SIZE(coeff_div); i++) { 795 if (coeff_div[i].rate == rate && coeff_div[i].mclk == mclk) 796 return i; 797 } 798 return -EINVAL; 799 } 800 801 /* 802 * Clock after PLL and dividers 803 */ 804 static int wm8753_set_dai_sysclk(struct snd_soc_dai *codec_dai, 805 int clk_id, unsigned int freq, int dir) 806 { 807 struct snd_soc_codec *codec = codec_dai->codec; 808 struct wm8753_priv *wm8753 = snd_soc_codec_get_drvdata(codec); 809 810 switch (freq) { 811 case 11289600: 812 case 12000000: 813 case 12288000: 814 case 16934400: 815 case 18432000: 816 if (clk_id == WM8753_MCLK) { 817 wm8753->sysclk = freq; 818 return 0; 819 } else if (clk_id == WM8753_PCMCLK) { 820 wm8753->pcmclk = freq; 821 return 0; 822 } 823 break; 824 } 825 return -EINVAL; 826 } 827 828 /* 829 * Set's ADC and Voice DAC format. 830 */ 831 static int wm8753_vdac_adc_set_dai_fmt(struct snd_soc_dai *codec_dai, 832 unsigned int fmt) 833 { 834 struct snd_soc_codec *codec = codec_dai->codec; 835 u16 voice = snd_soc_read(codec, WM8753_PCM) & 0x01ec; 836 837 /* interface format */ 838 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { 839 case SND_SOC_DAIFMT_I2S: 840 voice |= 0x0002; 841 break; 842 case SND_SOC_DAIFMT_RIGHT_J: 843 break; 844 case SND_SOC_DAIFMT_LEFT_J: 845 voice |= 0x0001; 846 break; 847 case SND_SOC_DAIFMT_DSP_A: 848 voice |= 0x0003; 849 break; 850 case SND_SOC_DAIFMT_DSP_B: 851 voice |= 0x0013; 852 break; 853 default: 854 return -EINVAL; 855 } 856 857 snd_soc_write(codec, WM8753_PCM, voice); 858 return 0; 859 } 860 861 static int wm8753_pcm_startup(struct snd_pcm_substream *substream, 862 struct snd_soc_dai *dai) 863 { 864 wm8753_set_dai_mode(dai->codec, dai, 0); 865 return 0; 866 } 867 868 /* 869 * Set PCM DAI bit size and sample rate. 870 */ 871 static int wm8753_pcm_hw_params(struct snd_pcm_substream *substream, 872 struct snd_pcm_hw_params *params, 873 struct snd_soc_dai *dai) 874 { 875 struct snd_soc_pcm_runtime *rtd = substream->private_data; 876 struct snd_soc_codec *codec = rtd->codec; 877 struct wm8753_priv *wm8753 = snd_soc_codec_get_drvdata(codec); 878 u16 voice = snd_soc_read(codec, WM8753_PCM) & 0x01f3; 879 u16 srate = snd_soc_read(codec, WM8753_SRATE1) & 0x017f; 880 881 /* bit size */ 882 switch (params_format(params)) { 883 case SNDRV_PCM_FORMAT_S16_LE: 884 break; 885 case SNDRV_PCM_FORMAT_S20_3LE: 886 voice |= 0x0004; 887 break; 888 case SNDRV_PCM_FORMAT_S24_LE: 889 voice |= 0x0008; 890 break; 891 case SNDRV_PCM_FORMAT_S32_LE: 892 voice |= 0x000c; 893 break; 894 } 895 896 /* sample rate */ 897 if (params_rate(params) * 384 == wm8753->pcmclk) 898 srate |= 0x80; 899 snd_soc_write(codec, WM8753_SRATE1, srate); 900 901 snd_soc_write(codec, WM8753_PCM, voice); 902 return 0; 903 } 904 905 /* 906 * Set's PCM dai fmt and BCLK. 907 */ 908 static int wm8753_pcm_set_dai_fmt(struct snd_soc_dai *codec_dai, 909 unsigned int fmt) 910 { 911 struct snd_soc_codec *codec = codec_dai->codec; 912 u16 voice, ioctl; 913 914 voice = snd_soc_read(codec, WM8753_PCM) & 0x011f; 915 ioctl = snd_soc_read(codec, WM8753_IOCTL) & 0x015d; 916 917 /* set master/slave audio interface */ 918 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { 919 case SND_SOC_DAIFMT_CBS_CFS: 920 break; 921 case SND_SOC_DAIFMT_CBM_CFM: 922 ioctl |= 0x2; 923 case SND_SOC_DAIFMT_CBM_CFS: 924 voice |= 0x0040; 925 break; 926 default: 927 return -EINVAL; 928 } 929 930 /* clock inversion */ 931 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { 932 case SND_SOC_DAIFMT_DSP_A: 933 case SND_SOC_DAIFMT_DSP_B: 934 /* frame inversion not valid for DSP modes */ 935 switch (fmt & SND_SOC_DAIFMT_INV_MASK) { 936 case SND_SOC_DAIFMT_NB_NF: 937 break; 938 case SND_SOC_DAIFMT_IB_NF: 939 voice |= 0x0080; 940 break; 941 default: 942 return -EINVAL; 943 } 944 break; 945 case SND_SOC_DAIFMT_I2S: 946 case SND_SOC_DAIFMT_RIGHT_J: 947 case SND_SOC_DAIFMT_LEFT_J: 948 voice &= ~0x0010; 949 switch (fmt & SND_SOC_DAIFMT_INV_MASK) { 950 case SND_SOC_DAIFMT_NB_NF: 951 break; 952 case SND_SOC_DAIFMT_IB_IF: 953 voice |= 0x0090; 954 break; 955 case SND_SOC_DAIFMT_IB_NF: 956 voice |= 0x0080; 957 break; 958 case SND_SOC_DAIFMT_NB_IF: 959 voice |= 0x0010; 960 break; 961 default: 962 return -EINVAL; 963 } 964 break; 965 default: 966 return -EINVAL; 967 } 968 969 snd_soc_write(codec, WM8753_PCM, voice); 970 snd_soc_write(codec, WM8753_IOCTL, ioctl); 971 return 0; 972 } 973 974 static int wm8753_set_dai_clkdiv(struct snd_soc_dai *codec_dai, 975 int div_id, int div) 976 { 977 struct snd_soc_codec *codec = codec_dai->codec; 978 u16 reg; 979 980 switch (div_id) { 981 case WM8753_PCMDIV: 982 reg = snd_soc_read(codec, WM8753_CLOCK) & 0x003f; 983 snd_soc_write(codec, WM8753_CLOCK, reg | div); 984 break; 985 case WM8753_BCLKDIV: 986 reg = snd_soc_read(codec, WM8753_SRATE2) & 0x01c7; 987 snd_soc_write(codec, WM8753_SRATE2, reg | div); 988 break; 989 case WM8753_VXCLKDIV: 990 reg = snd_soc_read(codec, WM8753_SRATE2) & 0x003f; 991 snd_soc_write(codec, WM8753_SRATE2, reg | div); 992 break; 993 default: 994 return -EINVAL; 995 } 996 return 0; 997 } 998 999 /* 1000 * Set's HiFi DAC format. 1001 */ 1002 static int wm8753_hdac_set_dai_fmt(struct snd_soc_dai *codec_dai, 1003 unsigned int fmt) 1004 { 1005 struct snd_soc_codec *codec = codec_dai->codec; 1006 u16 hifi = snd_soc_read(codec, WM8753_HIFI) & 0x01e0; 1007 1008 /* interface format */ 1009 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { 1010 case SND_SOC_DAIFMT_I2S: 1011 hifi |= 0x0002; 1012 break; 1013 case SND_SOC_DAIFMT_RIGHT_J: 1014 break; 1015 case SND_SOC_DAIFMT_LEFT_J: 1016 hifi |= 0x0001; 1017 break; 1018 case SND_SOC_DAIFMT_DSP_A: 1019 hifi |= 0x0003; 1020 break; 1021 case SND_SOC_DAIFMT_DSP_B: 1022 hifi |= 0x0013; 1023 break; 1024 default: 1025 return -EINVAL; 1026 } 1027 1028 snd_soc_write(codec, WM8753_HIFI, hifi); 1029 return 0; 1030 } 1031 1032 /* 1033 * Set's I2S DAI format. 1034 */ 1035 static int wm8753_i2s_set_dai_fmt(struct snd_soc_dai *codec_dai, 1036 unsigned int fmt) 1037 { 1038 struct snd_soc_codec *codec = codec_dai->codec; 1039 u16 ioctl, hifi; 1040 1041 hifi = snd_soc_read(codec, WM8753_HIFI) & 0x011f; 1042 ioctl = snd_soc_read(codec, WM8753_IOCTL) & 0x00ae; 1043 1044 /* set master/slave audio interface */ 1045 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { 1046 case SND_SOC_DAIFMT_CBS_CFS: 1047 break; 1048 case SND_SOC_DAIFMT_CBM_CFM: 1049 ioctl |= 0x1; 1050 case SND_SOC_DAIFMT_CBM_CFS: 1051 hifi |= 0x0040; 1052 break; 1053 default: 1054 return -EINVAL; 1055 } 1056 1057 /* clock inversion */ 1058 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { 1059 case SND_SOC_DAIFMT_DSP_A: 1060 case SND_SOC_DAIFMT_DSP_B: 1061 /* frame inversion not valid for DSP modes */ 1062 switch (fmt & SND_SOC_DAIFMT_INV_MASK) { 1063 case SND_SOC_DAIFMT_NB_NF: 1064 break; 1065 case SND_SOC_DAIFMT_IB_NF: 1066 hifi |= 0x0080; 1067 break; 1068 default: 1069 return -EINVAL; 1070 } 1071 break; 1072 case SND_SOC_DAIFMT_I2S: 1073 case SND_SOC_DAIFMT_RIGHT_J: 1074 case SND_SOC_DAIFMT_LEFT_J: 1075 hifi &= ~0x0010; 1076 switch (fmt & SND_SOC_DAIFMT_INV_MASK) { 1077 case SND_SOC_DAIFMT_NB_NF: 1078 break; 1079 case SND_SOC_DAIFMT_IB_IF: 1080 hifi |= 0x0090; 1081 break; 1082 case SND_SOC_DAIFMT_IB_NF: 1083 hifi |= 0x0080; 1084 break; 1085 case SND_SOC_DAIFMT_NB_IF: 1086 hifi |= 0x0010; 1087 break; 1088 default: 1089 return -EINVAL; 1090 } 1091 break; 1092 default: 1093 return -EINVAL; 1094 } 1095 1096 snd_soc_write(codec, WM8753_HIFI, hifi); 1097 snd_soc_write(codec, WM8753_IOCTL, ioctl); 1098 return 0; 1099 } 1100 1101 static int wm8753_i2s_startup(struct snd_pcm_substream *substream, 1102 struct snd_soc_dai *dai) 1103 { 1104 wm8753_set_dai_mode(dai->codec, dai, 1); 1105 return 0; 1106 } 1107 1108 /* 1109 * Set PCM DAI bit size and sample rate. 1110 */ 1111 static int wm8753_i2s_hw_params(struct snd_pcm_substream *substream, 1112 struct snd_pcm_hw_params *params, 1113 struct snd_soc_dai *dai) 1114 { 1115 struct snd_soc_pcm_runtime *rtd = substream->private_data; 1116 struct snd_soc_codec *codec = rtd->codec; 1117 struct wm8753_priv *wm8753 = snd_soc_codec_get_drvdata(codec); 1118 u16 srate = snd_soc_read(codec, WM8753_SRATE1) & 0x01c0; 1119 u16 hifi = snd_soc_read(codec, WM8753_HIFI) & 0x01f3; 1120 int coeff; 1121 1122 /* is digital filter coefficient valid ? */ 1123 coeff = get_coeff(wm8753->sysclk, params_rate(params)); 1124 if (coeff < 0) { 1125 printk(KERN_ERR "wm8753 invalid MCLK or rate\n"); 1126 return coeff; 1127 } 1128 snd_soc_write(codec, WM8753_SRATE1, srate | (coeff_div[coeff].sr << 1) | 1129 coeff_div[coeff].usb); 1130 1131 /* bit size */ 1132 switch (params_format(params)) { 1133 case SNDRV_PCM_FORMAT_S16_LE: 1134 break; 1135 case SNDRV_PCM_FORMAT_S20_3LE: 1136 hifi |= 0x0004; 1137 break; 1138 case SNDRV_PCM_FORMAT_S24_LE: 1139 hifi |= 0x0008; 1140 break; 1141 case SNDRV_PCM_FORMAT_S32_LE: 1142 hifi |= 0x000c; 1143 break; 1144 } 1145 1146 snd_soc_write(codec, WM8753_HIFI, hifi); 1147 return 0; 1148 } 1149 1150 static int wm8753_mode1v_set_dai_fmt(struct snd_soc_dai *codec_dai, 1151 unsigned int fmt) 1152 { 1153 struct snd_soc_codec *codec = codec_dai->codec; 1154 u16 clock; 1155 1156 /* set clk source as pcmclk */ 1157 clock = snd_soc_read(codec, WM8753_CLOCK) & 0xfffb; 1158 snd_soc_write(codec, WM8753_CLOCK, clock); 1159 1160 if (wm8753_vdac_adc_set_dai_fmt(codec_dai, fmt) < 0) 1161 return -EINVAL; 1162 return wm8753_pcm_set_dai_fmt(codec_dai, fmt); 1163 } 1164 1165 static int wm8753_mode1h_set_dai_fmt(struct snd_soc_dai *codec_dai, 1166 unsigned int fmt) 1167 { 1168 if (wm8753_hdac_set_dai_fmt(codec_dai, fmt) < 0) 1169 return -EINVAL; 1170 return wm8753_i2s_set_dai_fmt(codec_dai, fmt); 1171 } 1172 1173 static int wm8753_mode2_set_dai_fmt(struct snd_soc_dai *codec_dai, 1174 unsigned int fmt) 1175 { 1176 struct snd_soc_codec *codec = codec_dai->codec; 1177 u16 clock; 1178 1179 /* set clk source as pcmclk */ 1180 clock = snd_soc_read(codec, WM8753_CLOCK) & 0xfffb; 1181 snd_soc_write(codec, WM8753_CLOCK, clock); 1182 1183 if (wm8753_vdac_adc_set_dai_fmt(codec_dai, fmt) < 0) 1184 return -EINVAL; 1185 return wm8753_i2s_set_dai_fmt(codec_dai, fmt); 1186 } 1187 1188 static int wm8753_mode3_4_set_dai_fmt(struct snd_soc_dai *codec_dai, 1189 unsigned int fmt) 1190 { 1191 struct snd_soc_codec *codec = codec_dai->codec; 1192 u16 clock; 1193 1194 /* set clk source as mclk */ 1195 clock = snd_soc_read(codec, WM8753_CLOCK) & 0xfffb; 1196 snd_soc_write(codec, WM8753_CLOCK, clock | 0x4); 1197 1198 if (wm8753_hdac_set_dai_fmt(codec_dai, fmt) < 0) 1199 return -EINVAL; 1200 if (wm8753_vdac_adc_set_dai_fmt(codec_dai, fmt) < 0) 1201 return -EINVAL; 1202 return wm8753_i2s_set_dai_fmt(codec_dai, fmt); 1203 } 1204 1205 static int wm8753_mute(struct snd_soc_dai *dai, int mute) 1206 { 1207 struct snd_soc_codec *codec = dai->codec; 1208 u16 mute_reg = snd_soc_read(codec, WM8753_DAC) & 0xfff7; 1209 struct wm8753_priv *wm8753 = snd_soc_codec_get_drvdata(codec); 1210 1211 /* the digital mute covers the HiFi and Voice DAC's on the WM8753. 1212 * make sure we check if they are not both active when we mute */ 1213 if (mute && wm8753->dai_func == 1) { 1214 if (!codec->active) 1215 snd_soc_write(codec, WM8753_DAC, mute_reg | 0x8); 1216 } else { 1217 if (mute) 1218 snd_soc_write(codec, WM8753_DAC, mute_reg | 0x8); 1219 else 1220 snd_soc_write(codec, WM8753_DAC, mute_reg); 1221 } 1222 1223 return 0; 1224 } 1225 1226 static int wm8753_set_bias_level(struct snd_soc_codec *codec, 1227 enum snd_soc_bias_level level) 1228 { 1229 u16 pwr_reg = snd_soc_read(codec, WM8753_PWR1) & 0xfe3e; 1230 1231 switch (level) { 1232 case SND_SOC_BIAS_ON: 1233 /* set vmid to 50k and unmute dac */ 1234 snd_soc_write(codec, WM8753_PWR1, pwr_reg | 0x00c0); 1235 break; 1236 case SND_SOC_BIAS_PREPARE: 1237 /* set vmid to 5k for quick power up */ 1238 snd_soc_write(codec, WM8753_PWR1, pwr_reg | 0x01c1); 1239 break; 1240 case SND_SOC_BIAS_STANDBY: 1241 /* mute dac and set vmid to 500k, enable VREF */ 1242 snd_soc_write(codec, WM8753_PWR1, pwr_reg | 0x0141); 1243 break; 1244 case SND_SOC_BIAS_OFF: 1245 snd_soc_write(codec, WM8753_PWR1, 0x0001); 1246 break; 1247 } 1248 codec->dapm.bias_level = level; 1249 return 0; 1250 } 1251 1252 #define WM8753_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\ 1253 SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 |\ 1254 SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |\ 1255 SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000) 1256 1257 #define WM8753_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\ 1258 SNDRV_PCM_FMTBIT_S24_LE) 1259 1260 /* 1261 * The WM8753 supports upto 4 different and mutually exclusive DAI 1262 * configurations. This gives 2 PCM's available for use, hifi and voice. 1263 * NOTE: The Voice PCM cannot play or capture audio to the CPU as it's DAI 1264 * is connected between the wm8753 and a BT codec or GSM modem. 1265 * 1266 * 1. Voice over PCM DAI - HIFI DAC over HIFI DAI 1267 * 2. Voice over HIFI DAI - HIFI disabled 1268 * 3. Voice disabled - HIFI over HIFI 1269 * 4. Voice disabled - HIFI over HIFI, uses voice DAI LRC for capture 1270 */ 1271 static struct snd_soc_dai_ops wm8753_dai_ops_hifi_mode1 = { 1272 .startup = wm8753_i2s_startup, 1273 .hw_params = wm8753_i2s_hw_params, 1274 .digital_mute = wm8753_mute, 1275 .set_fmt = wm8753_mode1h_set_dai_fmt, 1276 .set_clkdiv = wm8753_set_dai_clkdiv, 1277 .set_pll = wm8753_set_dai_pll, 1278 .set_sysclk = wm8753_set_dai_sysclk, 1279 }; 1280 1281 static struct snd_soc_dai_ops wm8753_dai_ops_voice_mode1 = { 1282 .startup = wm8753_pcm_startup, 1283 .hw_params = wm8753_pcm_hw_params, 1284 .digital_mute = wm8753_mute, 1285 .set_fmt = wm8753_mode1v_set_dai_fmt, 1286 .set_clkdiv = wm8753_set_dai_clkdiv, 1287 .set_pll = wm8753_set_dai_pll, 1288 .set_sysclk = wm8753_set_dai_sysclk, 1289 }; 1290 1291 static struct snd_soc_dai_ops wm8753_dai_ops_voice_mode2 = { 1292 .startup = wm8753_pcm_startup, 1293 .hw_params = wm8753_pcm_hw_params, 1294 .digital_mute = wm8753_mute, 1295 .set_fmt = wm8753_mode2_set_dai_fmt, 1296 .set_clkdiv = wm8753_set_dai_clkdiv, 1297 .set_pll = wm8753_set_dai_pll, 1298 .set_sysclk = wm8753_set_dai_sysclk, 1299 }; 1300 1301 static struct snd_soc_dai_ops wm8753_dai_ops_hifi_mode3 = { 1302 .startup = wm8753_i2s_startup, 1303 .hw_params = wm8753_i2s_hw_params, 1304 .digital_mute = wm8753_mute, 1305 .set_fmt = wm8753_mode3_4_set_dai_fmt, 1306 .set_clkdiv = wm8753_set_dai_clkdiv, 1307 .set_pll = wm8753_set_dai_pll, 1308 .set_sysclk = wm8753_set_dai_sysclk, 1309 }; 1310 1311 static struct snd_soc_dai_ops wm8753_dai_ops_hifi_mode4 = { 1312 .startup = wm8753_i2s_startup, 1313 .hw_params = wm8753_i2s_hw_params, 1314 .digital_mute = wm8753_mute, 1315 .set_fmt = wm8753_mode3_4_set_dai_fmt, 1316 .set_clkdiv = wm8753_set_dai_clkdiv, 1317 .set_pll = wm8753_set_dai_pll, 1318 .set_sysclk = wm8753_set_dai_sysclk, 1319 }; 1320 1321 static struct snd_soc_dai_driver wm8753_all_dai[] = { 1322 /* DAI HiFi mode 1 */ 1323 { .name = "wm8753-hifi", 1324 .playback = { 1325 .stream_name = "HiFi Playback", 1326 .channels_min = 1, 1327 .channels_max = 2, 1328 .rates = WM8753_RATES, 1329 .formats = WM8753_FORMATS}, 1330 .capture = { /* dummy for fast DAI switching */ 1331 .stream_name = "Capture", 1332 .channels_min = 1, 1333 .channels_max = 2, 1334 .rates = WM8753_RATES, 1335 .formats = WM8753_FORMATS}, 1336 .ops = &wm8753_dai_ops_hifi_mode1, 1337 }, 1338 /* DAI Voice mode 1 */ 1339 { .name = "wm8753-voice", 1340 .playback = { 1341 .stream_name = "Voice Playback", 1342 .channels_min = 1, 1343 .channels_max = 1, 1344 .rates = WM8753_RATES, 1345 .formats = WM8753_FORMATS,}, 1346 .capture = { 1347 .stream_name = "Capture", 1348 .channels_min = 1, 1349 .channels_max = 2, 1350 .rates = WM8753_RATES, 1351 .formats = WM8753_FORMATS,}, 1352 .ops = &wm8753_dai_ops_voice_mode1, 1353 }, 1354 /* DAI HiFi mode 2 - dummy */ 1355 { .name = "wm8753-hifi", 1356 }, 1357 /* DAI Voice mode 2 */ 1358 { .name = "wm8753-voice", 1359 .playback = { 1360 .stream_name = "Voice Playback", 1361 .channels_min = 1, 1362 .channels_max = 1, 1363 .rates = WM8753_RATES, 1364 .formats = WM8753_FORMATS,}, 1365 .capture = { 1366 .stream_name = "Capture", 1367 .channels_min = 1, 1368 .channels_max = 2, 1369 .rates = WM8753_RATES, 1370 .formats = WM8753_FORMATS,}, 1371 .ops = &wm8753_dai_ops_voice_mode2, 1372 }, 1373 /* DAI HiFi mode 3 */ 1374 { .name = "wm8753-hifi", 1375 .playback = { 1376 .stream_name = "HiFi Playback", 1377 .channels_min = 1, 1378 .channels_max = 2, 1379 .rates = WM8753_RATES, 1380 .formats = WM8753_FORMATS,}, 1381 .capture = { 1382 .stream_name = "Capture", 1383 .channels_min = 1, 1384 .channels_max = 2, 1385 .rates = WM8753_RATES, 1386 .formats = WM8753_FORMATS,}, 1387 .ops = &wm8753_dai_ops_hifi_mode3, 1388 }, 1389 /* DAI Voice mode 3 - dummy */ 1390 { .name = "wm8753-voice", 1391 }, 1392 /* DAI HiFi mode 4 */ 1393 { .name = "wm8753-hifi", 1394 .playback = { 1395 .stream_name = "HiFi Playback", 1396 .channels_min = 1, 1397 .channels_max = 2, 1398 .rates = WM8753_RATES, 1399 .formats = WM8753_FORMATS,}, 1400 .capture = { 1401 .stream_name = "Capture", 1402 .channels_min = 1, 1403 .channels_max = 2, 1404 .rates = WM8753_RATES, 1405 .formats = WM8753_FORMATS,}, 1406 .ops = &wm8753_dai_ops_hifi_mode4, 1407 }, 1408 /* DAI Voice mode 4 - dummy */ 1409 { .name = "wm8753-voice", 1410 }, 1411 }; 1412 1413 static struct snd_soc_dai_driver wm8753_dai[] = { 1414 { 1415 .name = "wm8753-aif0", 1416 }, 1417 { 1418 .name = "wm8753-aif1", 1419 }, 1420 }; 1421 1422 static void wm8753_set_dai_mode(struct snd_soc_codec *codec, 1423 struct snd_soc_dai *dai, unsigned int hifi) 1424 { 1425 struct wm8753_priv *wm8753 = snd_soc_codec_get_drvdata(codec); 1426 1427 if (wm8753->dai_func < 4) { 1428 if (hifi) 1429 dai->driver = &wm8753_all_dai[wm8753->dai_func << 1]; 1430 else 1431 dai->driver = &wm8753_all_dai[(wm8753->dai_func << 1) + 1]; 1432 } 1433 snd_soc_write(codec, WM8753_IOCTL, wm8753->dai_func); 1434 } 1435 1436 static void wm8753_work(struct work_struct *work) 1437 { 1438 struct snd_soc_dapm_context *dapm = 1439 container_of(work, struct snd_soc_dapm_context, 1440 delayed_work.work); 1441 struct snd_soc_codec *codec = dapm->codec; 1442 wm8753_set_bias_level(codec, dapm->bias_level); 1443 } 1444 1445 static int wm8753_suspend(struct snd_soc_codec *codec, pm_message_t state) 1446 { 1447 wm8753_set_bias_level(codec, SND_SOC_BIAS_OFF); 1448 return 0; 1449 } 1450 1451 static int wm8753_resume(struct snd_soc_codec *codec) 1452 { 1453 u16 *reg_cache = codec->reg_cache; 1454 int i; 1455 1456 /* Sync reg_cache with the hardware */ 1457 for (i = 1; i < ARRAY_SIZE(wm8753_reg); i++) { 1458 if (i == WM8753_RESET) 1459 continue; 1460 1461 /* No point in writing hardware default values back */ 1462 if (reg_cache[i] == wm8753_reg[i]) 1463 continue; 1464 1465 snd_soc_write(codec, i, reg_cache[i]); 1466 } 1467 1468 wm8753_set_bias_level(codec, SND_SOC_BIAS_STANDBY); 1469 1470 /* charge wm8753 caps */ 1471 if (codec->dapm.suspend_bias_level == SND_SOC_BIAS_ON) { 1472 wm8753_set_bias_level(codec, SND_SOC_BIAS_PREPARE); 1473 codec->dapm.bias_level = SND_SOC_BIAS_ON; 1474 schedule_delayed_work(&codec->dapm.delayed_work, 1475 msecs_to_jiffies(caps_charge)); 1476 } 1477 1478 return 0; 1479 } 1480 1481 static int wm8753_probe(struct snd_soc_codec *codec) 1482 { 1483 struct wm8753_priv *wm8753 = snd_soc_codec_get_drvdata(codec); 1484 int ret; 1485 1486 INIT_DELAYED_WORK(&codec->dapm.delayed_work, wm8753_work); 1487 1488 ret = snd_soc_codec_set_cache_io(codec, 7, 9, wm8753->control_type); 1489 if (ret < 0) { 1490 dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret); 1491 return ret; 1492 } 1493 1494 ret = wm8753_reset(codec); 1495 if (ret < 0) { 1496 dev_err(codec->dev, "Failed to issue reset: %d\n", ret); 1497 return ret; 1498 } 1499 1500 wm8753_set_bias_level(codec, SND_SOC_BIAS_STANDBY); 1501 wm8753->dai_func = 0; 1502 1503 /* charge output caps */ 1504 wm8753_set_bias_level(codec, SND_SOC_BIAS_PREPARE); 1505 schedule_delayed_work(&codec->dapm.delayed_work, 1506 msecs_to_jiffies(caps_charge)); 1507 1508 /* set the update bits */ 1509 snd_soc_update_bits(codec, WM8753_LDAC, 0x0100, 0x0100); 1510 snd_soc_update_bits(codec, WM8753_RDAC, 0x0100, 0x0100); 1511 snd_soc_update_bits(codec, WM8753_LDAC, 0x0100, 0x0100); 1512 snd_soc_update_bits(codec, WM8753_RDAC, 0x0100, 0x0100); 1513 snd_soc_update_bits(codec, WM8753_LOUT1V, 0x0100, 0x0100); 1514 snd_soc_update_bits(codec, WM8753_ROUT1V, 0x0100, 0x0100); 1515 snd_soc_update_bits(codec, WM8753_LOUT2V, 0x0100, 0x0100); 1516 snd_soc_update_bits(codec, WM8753_ROUT2V, 0x0100, 0x0100); 1517 snd_soc_update_bits(codec, WM8753_LINVOL, 0x0100, 0x0100); 1518 snd_soc_update_bits(codec, WM8753_RINVOL, 0x0100, 0x0100); 1519 1520 snd_soc_add_controls(codec, wm8753_snd_controls, 1521 ARRAY_SIZE(wm8753_snd_controls)); 1522 wm8753_add_widgets(codec); 1523 1524 return 0; 1525 } 1526 1527 /* power down chip */ 1528 static int wm8753_remove(struct snd_soc_codec *codec) 1529 { 1530 flush_delayed_work_sync(&codec->dapm.delayed_work); 1531 wm8753_set_bias_level(codec, SND_SOC_BIAS_OFF); 1532 1533 return 0; 1534 } 1535 1536 static struct snd_soc_codec_driver soc_codec_dev_wm8753 = { 1537 .probe = wm8753_probe, 1538 .remove = wm8753_remove, 1539 .suspend = wm8753_suspend, 1540 .resume = wm8753_resume, 1541 .set_bias_level = wm8753_set_bias_level, 1542 .reg_cache_size = ARRAY_SIZE(wm8753_reg), 1543 .reg_word_size = sizeof(u16), 1544 .reg_cache_default = wm8753_reg, 1545 }; 1546 1547 #if defined(CONFIG_SPI_MASTER) 1548 static int __devinit wm8753_spi_probe(struct spi_device *spi) 1549 { 1550 struct wm8753_priv *wm8753; 1551 int ret; 1552 1553 wm8753 = kzalloc(sizeof(struct wm8753_priv), GFP_KERNEL); 1554 if (wm8753 == NULL) 1555 return -ENOMEM; 1556 1557 wm8753->control_type = SND_SOC_SPI; 1558 spi_set_drvdata(spi, wm8753); 1559 1560 ret = snd_soc_register_codec(&spi->dev, 1561 &soc_codec_dev_wm8753, wm8753_dai, ARRAY_SIZE(wm8753_dai)); 1562 if (ret < 0) 1563 kfree(wm8753); 1564 return ret; 1565 } 1566 1567 static int __devexit wm8753_spi_remove(struct spi_device *spi) 1568 { 1569 snd_soc_unregister_codec(&spi->dev); 1570 kfree(spi_get_drvdata(spi)); 1571 return 0; 1572 } 1573 1574 static struct spi_driver wm8753_spi_driver = { 1575 .driver = { 1576 .name = "wm8753-codec", 1577 .owner = THIS_MODULE, 1578 }, 1579 .probe = wm8753_spi_probe, 1580 .remove = __devexit_p(wm8753_spi_remove), 1581 }; 1582 #endif /* CONFIG_SPI_MASTER */ 1583 1584 #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) 1585 static __devinit int wm8753_i2c_probe(struct i2c_client *i2c, 1586 const struct i2c_device_id *id) 1587 { 1588 struct wm8753_priv *wm8753; 1589 int ret; 1590 1591 wm8753 = kzalloc(sizeof(struct wm8753_priv), GFP_KERNEL); 1592 if (wm8753 == NULL) 1593 return -ENOMEM; 1594 1595 i2c_set_clientdata(i2c, wm8753); 1596 wm8753->control_type = SND_SOC_I2C; 1597 1598 ret = snd_soc_register_codec(&i2c->dev, 1599 &soc_codec_dev_wm8753, wm8753_dai, ARRAY_SIZE(wm8753_dai)); 1600 if (ret < 0) 1601 kfree(wm8753); 1602 return ret; 1603 } 1604 1605 static __devexit int wm8753_i2c_remove(struct i2c_client *client) 1606 { 1607 snd_soc_unregister_codec(&client->dev); 1608 kfree(i2c_get_clientdata(client)); 1609 return 0; 1610 } 1611 1612 static const struct i2c_device_id wm8753_i2c_id[] = { 1613 { "wm8753", 0 }, 1614 { } 1615 }; 1616 MODULE_DEVICE_TABLE(i2c, wm8753_i2c_id); 1617 1618 static struct i2c_driver wm8753_i2c_driver = { 1619 .driver = { 1620 .name = "wm8753-codec", 1621 .owner = THIS_MODULE, 1622 }, 1623 .probe = wm8753_i2c_probe, 1624 .remove = __devexit_p(wm8753_i2c_remove), 1625 .id_table = wm8753_i2c_id, 1626 }; 1627 #endif 1628 1629 static int __init wm8753_modinit(void) 1630 { 1631 int ret = 0; 1632 #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) 1633 ret = i2c_add_driver(&wm8753_i2c_driver); 1634 if (ret != 0) { 1635 printk(KERN_ERR "Failed to register wm8753 I2C driver: %d\n", 1636 ret); 1637 } 1638 #endif 1639 #if defined(CONFIG_SPI_MASTER) 1640 ret = spi_register_driver(&wm8753_spi_driver); 1641 if (ret != 0) { 1642 printk(KERN_ERR "Failed to register wm8753 SPI driver: %d\n", 1643 ret); 1644 } 1645 #endif 1646 return ret; 1647 } 1648 module_init(wm8753_modinit); 1649 1650 static void __exit wm8753_exit(void) 1651 { 1652 #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) 1653 i2c_del_driver(&wm8753_i2c_driver); 1654 #endif 1655 #if defined(CONFIG_SPI_MASTER) 1656 spi_unregister_driver(&wm8753_spi_driver); 1657 #endif 1658 } 1659 module_exit(wm8753_exit); 1660 1661 MODULE_DESCRIPTION("ASoC WM8753 driver"); 1662 MODULE_AUTHOR("Liam Girdwood"); 1663 MODULE_LICENSE("GPL"); 1664