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cs35l56.c
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linux-6.19.14/sound/soc/codecs/cs35l56.c
1// SPDX-License-Identifier: GPL-2.0-only 2// 3// Driver for Cirrus Logic CS35L56 smart amp 4// 5// Copyright (C) 2023 Cirrus Logic, Inc. and 6// Cirrus Logic International Semiconductor Ltd. 7 8#include <linux/acpi.h> 9#include <linux/array_size.h> 10#include <linux/completion.h> 11#include <linux/debugfs.h> 12#include <linux/delay.h> 13#include <linux/device.h> 14#include <linux/err.h> 15#include <linux/gpio/consumer.h> 16#include <linux/interrupt.h> 17#include <linux/math.h> 18#include <linux/module.h> 19#include <linux/pm.h> 20#include <linux/pm_runtime.h> 21#include <linux/property.h> 22#include <linux/regmap.h> 23#include <linux/regulator/consumer.h> 24#include <linux/slab.h> 25#include <linux/soundwire/sdw.h> 26#include <linux/types.h> 27#include <linux/workqueue.h> 28#include <sound/cs-amp-lib.h> 29#include <sound/pcm.h> 30#include <sound/pcm_params.h> 31#include <sound/soc.h> 32#include <sound/soc-dapm.h> 33#include <sound/tlv.h> 34 35#include "wm_adsp.h" 36#include "cs35l56.h" 37 38static int cs35l56_dsp_event(struct snd_soc_dapm_widget *w, 39 struct snd_kcontrol *kcontrol, int event); 40 41static void cs35l56_wait_dsp_ready(struct cs35l56_private *cs35l56) 42{ 43 /* Wait for patching to complete */ 44 flush_work(&cs35l56->dsp_work); 45} 46 47static int cs35l56_dspwait_get_volsw(struct snd_kcontrol *kcontrol, 48 struct snd_ctl_elem_value *ucontrol) 49{ 50 struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); 51 struct cs35l56_private *cs35l56 = snd_soc_component_get_drvdata(component); 52 53 cs35l56_wait_dsp_ready(cs35l56); 54 return snd_soc_get_volsw(kcontrol, ucontrol); 55} 56 57static int cs35l56_dspwait_put_volsw(struct snd_kcontrol *kcontrol, 58 struct snd_ctl_elem_value *ucontrol) 59{ 60 struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); 61 struct cs35l56_private *cs35l56 = snd_soc_component_get_drvdata(component); 62 63 cs35l56_wait_dsp_ready(cs35l56); 64 return snd_soc_put_volsw(kcontrol, ucontrol); 65} 66 67static DECLARE_TLV_DB_SCALE(vol_tlv, -10000, 25, 0); 68 69static SOC_ENUM_SINGLE_DECL(cs35l56_cal_set_status_enum, SND_SOC_NOPM, 0, 70 cs35l56_cal_set_status_text); 71 72static int cs35l56_cal_set_status_ctl_get(struct snd_kcontrol *kcontrol, 73 struct snd_ctl_elem_value *ucontrol) 74{ 75 struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); 76 struct cs35l56_private *cs35l56 = snd_soc_component_get_drvdata(component); 77 78 return cs35l56_cal_set_status_get(&cs35l56->base, ucontrol); 79} 80 81static const struct snd_kcontrol_new cs35l56_controls[] = { 82 SOC_SINGLE_EXT("Speaker Switch", 83 CS35L56_MAIN_RENDER_USER_MUTE, 0, 1, 1, 84 cs35l56_dspwait_get_volsw, cs35l56_dspwait_put_volsw), 85 SOC_SINGLE_S_EXT_TLV("Speaker Volume", 86 CS35L56_MAIN_RENDER_USER_VOLUME, 87 CS35L56_MAIN_RENDER_USER_VOLUME_SHIFT, 88 CS35L56_MAIN_RENDER_USER_VOLUME_MIN, 89 CS35L56_MAIN_RENDER_USER_VOLUME_MAX, 90 CS35L56_MAIN_RENDER_USER_VOLUME_SIGNBIT, 91 0, 92 cs35l56_dspwait_get_volsw, 93 cs35l56_dspwait_put_volsw, 94 vol_tlv), 95 SOC_SINGLE_EXT("Posture Number", CS35L56_MAIN_POSTURE_NUMBER, 96 0, 255, 0, 97 cs35l56_dspwait_get_volsw, cs35l56_dspwait_put_volsw), 98 SOC_ENUM_EXT_ACC("CAL_SET_STATUS", cs35l56_cal_set_status_enum, 99 cs35l56_cal_set_status_ctl_get, NULL, 100 SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE), 101}; 102 103static const struct snd_kcontrol_new cs35l63_controls[] = { 104 SOC_SINGLE_EXT("Speaker Switch", 105 CS35L63_MAIN_RENDER_USER_MUTE, 0, 1, 1, 106 cs35l56_dspwait_get_volsw, cs35l56_dspwait_put_volsw), 107 SOC_SINGLE_S_EXT_TLV("Speaker Volume", 108 CS35L63_MAIN_RENDER_USER_VOLUME, 109 CS35L56_MAIN_RENDER_USER_VOLUME_SHIFT, 110 CS35L56_MAIN_RENDER_USER_VOLUME_MIN, 111 CS35L56_MAIN_RENDER_USER_VOLUME_MAX, 112 CS35L56_MAIN_RENDER_USER_VOLUME_SIGNBIT, 113 0, 114 cs35l56_dspwait_get_volsw, 115 cs35l56_dspwait_put_volsw, 116 vol_tlv), 117 SOC_SINGLE_EXT("Posture Number", CS35L63_MAIN_POSTURE_NUMBER, 118 0, 255, 0, 119 cs35l56_dspwait_get_volsw, cs35l56_dspwait_put_volsw), 120 SOC_ENUM_EXT_ACC("CAL_SET_STATUS", cs35l56_cal_set_status_enum, 121 cs35l56_cal_set_status_ctl_get, NULL, 122 SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE), 123}; 124 125static SOC_VALUE_ENUM_SINGLE_DECL(cs35l56_asp1tx1_enum, 126 CS35L56_ASP1TX1_INPUT, 127 0, CS35L56_ASP_TXn_SRC_MASK, 128 cs35l56_tx_input_texts, 129 cs35l56_tx_input_values); 130 131static const struct snd_kcontrol_new asp1_tx1_mux = 132 SOC_DAPM_ENUM("ASP1TX1 SRC", cs35l56_asp1tx1_enum); 133 134static SOC_VALUE_ENUM_SINGLE_DECL(cs35l56_asp1tx2_enum, 135 CS35L56_ASP1TX2_INPUT, 136 0, CS35L56_ASP_TXn_SRC_MASK, 137 cs35l56_tx_input_texts, 138 cs35l56_tx_input_values); 139 140static const struct snd_kcontrol_new asp1_tx2_mux = 141 SOC_DAPM_ENUM("ASP1TX2 SRC", cs35l56_asp1tx2_enum); 142 143static SOC_VALUE_ENUM_SINGLE_DECL(cs35l56_asp1tx3_enum, 144 CS35L56_ASP1TX3_INPUT, 145 0, CS35L56_ASP_TXn_SRC_MASK, 146 cs35l56_tx_input_texts, 147 cs35l56_tx_input_values); 148 149static const struct snd_kcontrol_new asp1_tx3_mux = 150 SOC_DAPM_ENUM("ASP1TX3 SRC", cs35l56_asp1tx3_enum); 151 152static SOC_VALUE_ENUM_SINGLE_DECL(cs35l56_asp1tx4_enum, 153 CS35L56_ASP1TX4_INPUT, 154 0, CS35L56_ASP_TXn_SRC_MASK, 155 cs35l56_tx_input_texts, 156 cs35l56_tx_input_values); 157 158static const struct snd_kcontrol_new asp1_tx4_mux = 159 SOC_DAPM_ENUM("ASP1TX4 SRC", cs35l56_asp1tx4_enum); 160 161static SOC_VALUE_ENUM_SINGLE_DECL(cs35l56_sdw1tx1_enum, 162 CS35L56_SWIRE_DP3_CH1_INPUT, 163 0, CS35L56_SWIRETXn_SRC_MASK, 164 cs35l56_tx_input_texts, 165 cs35l56_tx_input_values); 166 167static const struct snd_kcontrol_new sdw1_tx1_mux = 168 SOC_DAPM_ENUM("SDW1TX1 SRC", cs35l56_sdw1tx1_enum); 169 170static SOC_VALUE_ENUM_SINGLE_DECL(cs35l56_sdw1tx2_enum, 171 CS35L56_SWIRE_DP3_CH2_INPUT, 172 0, CS35L56_SWIRETXn_SRC_MASK, 173 cs35l56_tx_input_texts, 174 cs35l56_tx_input_values); 175 176static const struct snd_kcontrol_new sdw1_tx2_mux = 177 SOC_DAPM_ENUM("SDW1TX2 SRC", cs35l56_sdw1tx2_enum); 178 179static SOC_VALUE_ENUM_SINGLE_DECL(cs35l56_sdw1tx3_enum, 180 CS35L56_SWIRE_DP3_CH3_INPUT, 181 0, CS35L56_SWIRETXn_SRC_MASK, 182 cs35l56_tx_input_texts, 183 cs35l56_tx_input_values); 184 185static const struct snd_kcontrol_new sdw1_tx3_mux = 186 SOC_DAPM_ENUM("SDW1TX3 SRC", cs35l56_sdw1tx3_enum); 187 188static SOC_VALUE_ENUM_SINGLE_DECL(cs35l56_sdw1tx4_enum, 189 CS35L56_SWIRE_DP3_CH4_INPUT, 190 0, CS35L56_SWIRETXn_SRC_MASK, 191 cs35l56_tx_input_texts, 192 cs35l56_tx_input_values); 193 194static const struct snd_kcontrol_new sdw1_tx4_mux = 195 SOC_DAPM_ENUM("SDW1TX4 SRC", cs35l56_sdw1tx4_enum); 196 197static int cs35l56_play_event(struct snd_soc_dapm_widget *w, 198 struct snd_kcontrol *kcontrol, int event) 199{ 200 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); 201 struct cs35l56_private *cs35l56 = snd_soc_component_get_drvdata(component); 202 unsigned int val; 203 int ret; 204 205 dev_dbg(cs35l56->base.dev, "play: %d\n", event); 206 207 switch (event) { 208 case SND_SOC_DAPM_PRE_PMU: 209 /* Don't wait for ACK, we check in POST_PMU that it completed */ 210 return regmap_write(cs35l56->base.regmap, CS35L56_DSP_VIRTUAL1_MBOX_1, 211 CS35L56_MBOX_CMD_AUDIO_PLAY); 212 case SND_SOC_DAPM_POST_PMU: 213 /* Wait for firmware to enter PS0 power state */ 214 ret = regmap_read_poll_timeout(cs35l56->base.regmap, 215 cs35l56->base.fw_reg->transducer_actual_ps, 216 val, (val == CS35L56_PS0), 217 CS35L56_PS0_POLL_US, 218 CS35L56_PS0_TIMEOUT_US); 219 if (ret) 220 dev_err(cs35l56->base.dev, "PS0 wait failed: %d\n", ret); 221 return ret; 222 case SND_SOC_DAPM_POST_PMD: 223 return cs35l56_mbox_send(&cs35l56->base, CS35L56_MBOX_CMD_AUDIO_PAUSE); 224 default: 225 return 0; 226 } 227} 228 229static const struct snd_soc_dapm_widget cs35l56_dapm_widgets[] = { 230 SND_SOC_DAPM_REGULATOR_SUPPLY("VDD_B", 0, 0), 231 SND_SOC_DAPM_REGULATOR_SUPPLY("VDD_AMP", 0, 0), 232 233 SND_SOC_DAPM_SUPPLY("PLAY", SND_SOC_NOPM, 0, 0, cs35l56_play_event, 234 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD), 235 236 SND_SOC_DAPM_OUT_DRV("AMP", SND_SOC_NOPM, 0, 0, NULL, 0), 237 SND_SOC_DAPM_OUTPUT("SPK"), 238 239 SND_SOC_DAPM_PGA_E("DSP1", SND_SOC_NOPM, 0, 0, NULL, 0, cs35l56_dsp_event, 240 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD), 241 242 SND_SOC_DAPM_AIF_IN("ASP1RX1", NULL, 0, CS35L56_ASP1_ENABLES1, 243 CS35L56_ASP_RX1_EN_SHIFT, 0), 244 SND_SOC_DAPM_AIF_IN("ASP1RX2", NULL, 1, CS35L56_ASP1_ENABLES1, 245 CS35L56_ASP_RX2_EN_SHIFT, 0), 246 SND_SOC_DAPM_AIF_OUT("ASP1TX1", NULL, 0, CS35L56_ASP1_ENABLES1, 247 CS35L56_ASP_TX1_EN_SHIFT, 0), 248 SND_SOC_DAPM_AIF_OUT("ASP1TX2", NULL, 1, CS35L56_ASP1_ENABLES1, 249 CS35L56_ASP_TX2_EN_SHIFT, 0), 250 SND_SOC_DAPM_AIF_OUT("ASP1TX3", NULL, 2, CS35L56_ASP1_ENABLES1, 251 CS35L56_ASP_TX3_EN_SHIFT, 0), 252 SND_SOC_DAPM_AIF_OUT("ASP1TX4", NULL, 3, CS35L56_ASP1_ENABLES1, 253 CS35L56_ASP_TX4_EN_SHIFT, 0), 254 255 SND_SOC_DAPM_MUX("ASP1 TX1 Source", SND_SOC_NOPM, 0, 0, &asp1_tx1_mux), 256 SND_SOC_DAPM_MUX("ASP1 TX2 Source", SND_SOC_NOPM, 0, 0, &asp1_tx2_mux), 257 SND_SOC_DAPM_MUX("ASP1 TX3 Source", SND_SOC_NOPM, 0, 0, &asp1_tx3_mux), 258 SND_SOC_DAPM_MUX("ASP1 TX4 Source", SND_SOC_NOPM, 0, 0, &asp1_tx4_mux), 259 260 SND_SOC_DAPM_MUX("SDW1 TX1 Source", SND_SOC_NOPM, 0, 0, &sdw1_tx1_mux), 261 SND_SOC_DAPM_MUX("SDW1 TX2 Source", SND_SOC_NOPM, 0, 0, &sdw1_tx2_mux), 262 SND_SOC_DAPM_MUX("SDW1 TX3 Source", SND_SOC_NOPM, 0, 0, &sdw1_tx3_mux), 263 SND_SOC_DAPM_MUX("SDW1 TX4 Source", SND_SOC_NOPM, 0, 0, &sdw1_tx4_mux), 264 265 SND_SOC_DAPM_SIGGEN("VMON ADC"), 266 SND_SOC_DAPM_SIGGEN("IMON ADC"), 267 SND_SOC_DAPM_SIGGEN("ERRVOL ADC"), 268 SND_SOC_DAPM_SIGGEN("CLASSH ADC"), 269 SND_SOC_DAPM_SIGGEN("VDDBMON ADC"), 270 SND_SOC_DAPM_SIGGEN("VBSTMON ADC"), 271 SND_SOC_DAPM_SIGGEN("TEMPMON ADC"), 272 273 SND_SOC_DAPM_INPUT("Calibrate"), 274}; 275 276#define CS35L56_SRC_ROUTE(name) \ 277 { name" Source", "ASP1RX1", "ASP1RX1" }, \ 278 { name" Source", "ASP1RX2", "ASP1RX2" }, \ 279 { name" Source", "VMON", "VMON ADC" }, \ 280 { name" Source", "IMON", "IMON ADC" }, \ 281 { name" Source", "ERRVOL", "ERRVOL ADC" }, \ 282 { name" Source", "CLASSH", "CLASSH ADC" }, \ 283 { name" Source", "VDDBMON", "VDDBMON ADC" }, \ 284 { name" Source", "VBSTMON", "VBSTMON ADC" }, \ 285 { name" Source", "DSP1TX1", "DSP1" }, \ 286 { name" Source", "DSP1TX2", "DSP1" }, \ 287 { name" Source", "DSP1TX3", "DSP1" }, \ 288 { name" Source", "DSP1TX4", "DSP1" }, \ 289 { name" Source", "DSP1TX5", "DSP1" }, \ 290 { name" Source", "DSP1TX6", "DSP1" }, \ 291 { name" Source", "DSP1TX7", "DSP1" }, \ 292 { name" Source", "DSP1TX8", "DSP1" }, \ 293 { name" Source", "TEMPMON", "TEMPMON ADC" }, \ 294 { name" Source", "INTERPOLATOR", "AMP" }, \ 295 { name" Source", "SDW1RX1", "SDW1 Playback" }, \ 296 { name" Source", "SDW1RX2", "SDW1 Playback" }, 297 298static const struct snd_soc_dapm_route cs35l56_audio_map[] = { 299 { "AMP", NULL, "VDD_B" }, 300 { "AMP", NULL, "VDD_AMP" }, 301 302 { "ASP1 Playback", NULL, "PLAY" }, 303 { "SDW1 Playback", NULL, "PLAY" }, 304 305 { "ASP1RX1", NULL, "ASP1 Playback" }, 306 { "ASP1RX2", NULL, "ASP1 Playback" }, 307 { "DSP1", NULL, "ASP1RX1" }, 308 { "DSP1", NULL, "ASP1RX2" }, 309 { "DSP1", NULL, "SDW1 Playback" }, 310 { "DSP1", NULL, "Calibrate" }, 311 { "AMP", NULL, "DSP1" }, 312 { "SPK", NULL, "AMP" }, 313 314 CS35L56_SRC_ROUTE("ASP1 TX1") 315 CS35L56_SRC_ROUTE("ASP1 TX2") 316 CS35L56_SRC_ROUTE("ASP1 TX3") 317 CS35L56_SRC_ROUTE("ASP1 TX4") 318 319 { "ASP1TX1", NULL, "ASP1 TX1 Source" }, 320 { "ASP1TX2", NULL, "ASP1 TX2 Source" }, 321 { "ASP1TX3", NULL, "ASP1 TX3 Source" }, 322 { "ASP1TX4", NULL, "ASP1 TX4 Source" }, 323 { "ASP1 Capture", NULL, "ASP1TX1" }, 324 { "ASP1 Capture", NULL, "ASP1TX2" }, 325 { "ASP1 Capture", NULL, "ASP1TX3" }, 326 { "ASP1 Capture", NULL, "ASP1TX4" }, 327 328 CS35L56_SRC_ROUTE("SDW1 TX1") 329 CS35L56_SRC_ROUTE("SDW1 TX2") 330 CS35L56_SRC_ROUTE("SDW1 TX3") 331 CS35L56_SRC_ROUTE("SDW1 TX4") 332 { "SDW1 Capture", NULL, "SDW1 TX1 Source" }, 333 { "SDW1 Capture", NULL, "SDW1 TX2 Source" }, 334 { "SDW1 Capture", NULL, "SDW1 TX3 Source" }, 335 { "SDW1 Capture", NULL, "SDW1 TX4 Source" }, 336}; 337 338static int cs35l56_dsp_event(struct snd_soc_dapm_widget *w, 339 struct snd_kcontrol *kcontrol, int event) 340{ 341 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); 342 struct cs35l56_private *cs35l56 = snd_soc_component_get_drvdata(component); 343 344 dev_dbg(cs35l56->base.dev, "%s: %d\n", __func__, event); 345 346 return wm_adsp_event(w, kcontrol, event); 347} 348 349static int cs35l56_asp_dai_probe(struct snd_soc_dai *codec_dai) 350{ 351 struct cs35l56_private *cs35l56 = snd_soc_component_get_drvdata(codec_dai->component); 352 353 return cs35l56_set_asp_patch(&cs35l56->base); 354} 355 356static int cs35l56_asp_dai_set_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt) 357{ 358 struct cs35l56_private *cs35l56 = snd_soc_component_get_drvdata(codec_dai->component); 359 unsigned int val; 360 361 dev_dbg(cs35l56->base.dev, "%s: %#x\n", __func__, fmt); 362 363 switch (fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) { 364 case SND_SOC_DAIFMT_CBC_CFC: 365 break; 366 default: 367 dev_err(cs35l56->base.dev, "Unsupported clock source mode\n"); 368 return -EINVAL; 369 } 370 371 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { 372 case SND_SOC_DAIFMT_DSP_A: 373 val = CS35L56_ASP_FMT_DSP_A << CS35L56_ASP_FMT_SHIFT; 374 cs35l56->tdm_mode = true; 375 break; 376 case SND_SOC_DAIFMT_I2S: 377 val = CS35L56_ASP_FMT_I2S << CS35L56_ASP_FMT_SHIFT; 378 cs35l56->tdm_mode = false; 379 break; 380 default: 381 dev_err(cs35l56->base.dev, "Unsupported DAI format\n"); 382 return -EINVAL; 383 } 384 385 switch (fmt & SND_SOC_DAIFMT_INV_MASK) { 386 case SND_SOC_DAIFMT_NB_IF: 387 val |= CS35L56_ASP_FSYNC_INV_MASK; 388 break; 389 case SND_SOC_DAIFMT_IB_NF: 390 val |= CS35L56_ASP_BCLK_INV_MASK; 391 break; 392 case SND_SOC_DAIFMT_IB_IF: 393 val |= CS35L56_ASP_BCLK_INV_MASK | CS35L56_ASP_FSYNC_INV_MASK; 394 break; 395 case SND_SOC_DAIFMT_NB_NF: 396 break; 397 default: 398 dev_err(cs35l56->base.dev, "Invalid clock invert\n"); 399 return -EINVAL; 400 } 401 402 regmap_update_bits(cs35l56->base.regmap, 403 CS35L56_ASP1_CONTROL2, 404 CS35L56_ASP_FMT_MASK | 405 CS35L56_ASP_BCLK_INV_MASK | CS35L56_ASP_FSYNC_INV_MASK, 406 val); 407 408 /* Hi-Z DOUT in unused slots and when all TX are disabled */ 409 regmap_update_bits(cs35l56->base.regmap, CS35L56_ASP1_CONTROL3, 410 CS35L56_ASP1_DOUT_HIZ_CTRL_MASK, 411 CS35L56_ASP_UNUSED_HIZ_OFF_HIZ); 412 413 return 0; 414} 415 416static unsigned int cs35l56_make_tdm_config_word(unsigned int reg_val, unsigned long mask) 417{ 418 unsigned int channel_shift; 419 int bit_num; 420 421 /* Enable consecutive TX1..TXn for each of the slots set in mask */ 422 channel_shift = 0; 423 for_each_set_bit(bit_num, &mask, 32) { 424 reg_val &= ~(0x3f << channel_shift); 425 reg_val |= bit_num << channel_shift; 426 channel_shift += 8; 427 } 428 429 return reg_val; 430} 431 432static int cs35l56_asp_dai_set_tdm_slot(struct snd_soc_dai *dai, unsigned int tx_mask, 433 unsigned int rx_mask, int slots, int slot_width) 434{ 435 struct cs35l56_private *cs35l56 = snd_soc_component_get_drvdata(dai->component); 436 437 if ((slots == 0) || (slot_width == 0)) { 438 dev_dbg(cs35l56->base.dev, "tdm config cleared\n"); 439 cs35l56->asp_slot_width = 0; 440 cs35l56->asp_slot_count = 0; 441 return 0; 442 } 443 444 if (slot_width > (CS35L56_ASP_RX_WIDTH_MASK >> CS35L56_ASP_RX_WIDTH_SHIFT)) { 445 dev_err(cs35l56->base.dev, "tdm invalid slot width %d\n", slot_width); 446 return -EINVAL; 447 } 448 449 /* More than 32 slots would give an unsupportable BCLK frequency */ 450 if (slots > 32) { 451 dev_err(cs35l56->base.dev, "tdm invalid slot count %d\n", slots); 452 return -EINVAL; 453 } 454 455 cs35l56->asp_slot_width = (u8)slot_width; 456 cs35l56->asp_slot_count = (u8)slots; 457 458 // Note: rx/tx is from point of view of the CPU end 459 if (tx_mask == 0) 460 tx_mask = 0x3; // ASPRX1/RX2 in slots 0 and 1 461 462 if (rx_mask == 0) 463 rx_mask = 0xf; // ASPTX1..TX4 in slots 0..3 464 465 /* Default unused slots to 63 */ 466 regmap_write(cs35l56->base.regmap, CS35L56_ASP1_FRAME_CONTROL1, 467 cs35l56_make_tdm_config_word(0x3f3f3f3f, rx_mask)); 468 regmap_write(cs35l56->base.regmap, CS35L56_ASP1_FRAME_CONTROL5, 469 cs35l56_make_tdm_config_word(0x3f3f3f, tx_mask)); 470 471 dev_dbg(cs35l56->base.dev, "tdm slot width: %u count: %u tx_mask: %#x rx_mask: %#x\n", 472 cs35l56->asp_slot_width, cs35l56->asp_slot_count, tx_mask, rx_mask); 473 474 return 0; 475} 476 477static int cs35l56_asp_dai_hw_params(struct snd_pcm_substream *substream, 478 struct snd_pcm_hw_params *params, 479 struct snd_soc_dai *dai) 480{ 481 struct cs35l56_private *cs35l56 = snd_soc_component_get_drvdata(dai->component); 482 unsigned int rate = params_rate(params); 483 u8 asp_width, asp_wl; 484 485 asp_wl = params_width(params); 486 if (cs35l56->asp_slot_width) 487 asp_width = cs35l56->asp_slot_width; 488 else 489 asp_width = asp_wl; 490 491 dev_dbg(cs35l56->base.dev, "%s: wl=%d, width=%d, rate=%d", 492 __func__, asp_wl, asp_width, rate); 493 494 if (!cs35l56->sysclk_set) { 495 unsigned int slots = cs35l56->asp_slot_count; 496 unsigned int bclk_freq; 497 int freq_id; 498 499 if (slots == 0) { 500 slots = params_channels(params); 501 502 /* I2S always has an even number of slots */ 503 if (!cs35l56->tdm_mode) 504 slots = round_up(slots, 2); 505 } 506 507 bclk_freq = asp_width * slots * rate; 508 freq_id = cs35l56_get_bclk_freq_id(bclk_freq); 509 if (freq_id < 0) { 510 dev_err(cs35l56->base.dev, "%s: Invalid BCLK %u\n", __func__, bclk_freq); 511 return -EINVAL; 512 } 513 514 regmap_update_bits(cs35l56->base.regmap, CS35L56_ASP1_CONTROL1, 515 CS35L56_ASP_BCLK_FREQ_MASK, 516 freq_id << CS35L56_ASP_BCLK_FREQ_SHIFT); 517 } 518 519 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { 520 regmap_update_bits(cs35l56->base.regmap, CS35L56_ASP1_CONTROL2, 521 CS35L56_ASP_RX_WIDTH_MASK, asp_width << 522 CS35L56_ASP_RX_WIDTH_SHIFT); 523 regmap_update_bits(cs35l56->base.regmap, CS35L56_ASP1_DATA_CONTROL5, 524 CS35L56_ASP_RX_WL_MASK, asp_wl); 525 } else { 526 regmap_update_bits(cs35l56->base.regmap, CS35L56_ASP1_CONTROL2, 527 CS35L56_ASP_TX_WIDTH_MASK, asp_width << 528 CS35L56_ASP_TX_WIDTH_SHIFT); 529 regmap_update_bits(cs35l56->base.regmap, CS35L56_ASP1_DATA_CONTROL1, 530 CS35L56_ASP_TX_WL_MASK, asp_wl); 531 } 532 533 return 0; 534} 535 536static int cs35l56_asp_dai_set_sysclk(struct snd_soc_dai *dai, 537 int clk_id, unsigned int freq, int dir) 538{ 539 struct cs35l56_private *cs35l56 = snd_soc_component_get_drvdata(dai->component); 540 int freq_id; 541 542 if (freq == 0) { 543 cs35l56->sysclk_set = false; 544 return 0; 545 } 546 547 freq_id = cs35l56_get_bclk_freq_id(freq); 548 if (freq_id < 0) 549 return freq_id; 550 551 regmap_update_bits(cs35l56->base.regmap, CS35L56_ASP1_CONTROL1, 552 CS35L56_ASP_BCLK_FREQ_MASK, 553 freq_id << CS35L56_ASP_BCLK_FREQ_SHIFT); 554 cs35l56->sysclk_set = true; 555 556 return 0; 557} 558 559static const struct snd_soc_dai_ops cs35l56_ops = { 560 .probe = cs35l56_asp_dai_probe, 561 .set_fmt = cs35l56_asp_dai_set_fmt, 562 .set_tdm_slot = cs35l56_asp_dai_set_tdm_slot, 563 .hw_params = cs35l56_asp_dai_hw_params, 564 .set_sysclk = cs35l56_asp_dai_set_sysclk, 565}; 566 567static void cs35l56_sdw_dai_shutdown(struct snd_pcm_substream *substream, 568 struct snd_soc_dai *dai) 569{ 570 snd_soc_dai_set_dma_data(dai, substream, NULL); 571} 572 573static int cs35l56_sdw_dai_set_tdm_slot(struct snd_soc_dai *dai, unsigned int tx_mask, 574 unsigned int rx_mask, int slots, int slot_width) 575{ 576 struct cs35l56_private *cs35l56 = snd_soc_component_get_drvdata(dai->component); 577 578 /* rx/tx are from point of view of the CPU end so opposite to our rx/tx */ 579 cs35l56->rx_mask = tx_mask; 580 cs35l56->tx_mask = rx_mask; 581 582 return 0; 583} 584 585static int cs35l56_sdw_dai_hw_params(struct snd_pcm_substream *substream, 586 struct snd_pcm_hw_params *params, 587 struct snd_soc_dai *dai) 588{ 589 struct cs35l56_private *cs35l56 = snd_soc_component_get_drvdata(dai->component); 590 struct sdw_stream_runtime *sdw_stream = snd_soc_dai_get_dma_data(dai, substream); 591 struct sdw_stream_config sconfig; 592 struct sdw_port_config pconfig; 593 int ret; 594 595 dev_dbg(cs35l56->base.dev, "%s: rate %d\n", __func__, params_rate(params)); 596 597 if (!cs35l56->base.init_done) 598 return -ENODEV; 599 600 if (!sdw_stream) 601 return -EINVAL; 602 603 memset(&sconfig, 0, sizeof(sconfig)); 604 memset(&pconfig, 0, sizeof(pconfig)); 605 606 sconfig.frame_rate = params_rate(params); 607 sconfig.bps = snd_pcm_format_width(params_format(params)); 608 609 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { 610 sconfig.direction = SDW_DATA_DIR_RX; 611 pconfig.num = CS35L56_SDW1_PLAYBACK_PORT; 612 pconfig.ch_mask = cs35l56->rx_mask; 613 } else { 614 sconfig.direction = SDW_DATA_DIR_TX; 615 pconfig.num = CS35L56_SDW1_CAPTURE_PORT; 616 pconfig.ch_mask = cs35l56->tx_mask; 617 } 618 619 if (pconfig.ch_mask == 0) { 620 sconfig.ch_count = params_channels(params); 621 pconfig.ch_mask = GENMASK(sconfig.ch_count - 1, 0); 622 } else { 623 sconfig.ch_count = hweight32(pconfig.ch_mask); 624 } 625 626 ret = sdw_stream_add_slave(cs35l56->sdw_peripheral, &sconfig, &pconfig, 627 1, sdw_stream); 628 if (ret) { 629 dev_err(dai->dev, "Failed to add sdw stream: %d\n", ret); 630 return ret; 631 } 632 633 return 0; 634} 635 636static int cs35l56_sdw_dai_hw_free(struct snd_pcm_substream *substream, 637 struct snd_soc_dai *dai) 638{ 639 struct cs35l56_private *cs35l56 = snd_soc_component_get_drvdata(dai->component); 640 struct sdw_stream_runtime *sdw_stream = snd_soc_dai_get_dma_data(dai, substream); 641 642 if (!cs35l56->sdw_peripheral) 643 return -EINVAL; 644 645 sdw_stream_remove_slave(cs35l56->sdw_peripheral, sdw_stream); 646 647 return 0; 648} 649 650static int cs35l56_sdw_dai_set_stream(struct snd_soc_dai *dai, 651 void *sdw_stream, int direction) 652{ 653 snd_soc_dai_dma_data_set(dai, direction, sdw_stream); 654 655 return 0; 656} 657 658static const struct snd_soc_dai_ops cs35l56_sdw_dai_ops = { 659 .set_tdm_slot = cs35l56_sdw_dai_set_tdm_slot, 660 .shutdown = cs35l56_sdw_dai_shutdown, 661 .hw_params = cs35l56_sdw_dai_hw_params, 662 .hw_free = cs35l56_sdw_dai_hw_free, 663 .set_stream = cs35l56_sdw_dai_set_stream, 664}; 665 666static struct snd_soc_dai_driver cs35l56_dai[] = { 667 { 668 .name = "cs35l56-asp1", 669 .id = 0, 670 .playback = { 671 .stream_name = "ASP1 Playback", 672 .channels_min = 1, 673 .channels_max = 2, 674 .rates = CS35L56_RATES, 675 .formats = CS35L56_RX_FORMATS, 676 }, 677 .capture = { 678 .stream_name = "ASP1 Capture", 679 .channels_min = 1, 680 .channels_max = 4, 681 .rates = CS35L56_RATES, 682 .formats = CS35L56_TX_FORMATS, 683 }, 684 .ops = &cs35l56_ops, 685 .symmetric_rate = 1, 686 .symmetric_sample_bits = 1, 687 }, 688 { 689 .name = "cs35l56-sdw1", 690 .id = 1, 691 .playback = { 692 .stream_name = "SDW1 Playback", 693 .channels_min = 1, 694 .channels_max = 2, 695 .rates = CS35L56_RATES, 696 .formats = CS35L56_RX_FORMATS, 697 }, 698 .symmetric_rate = 1, 699 .ops = &cs35l56_sdw_dai_ops, 700 }, 701 { 702 .name = "cs35l56-sdw1c", 703 .id = 2, 704 .capture = { 705 .stream_name = "SDW1 Capture", 706 .channels_min = 1, 707 .channels_max = 4, 708 .rates = CS35L56_RATES, 709 .formats = CS35L56_TX_FORMATS, 710 }, 711 .symmetric_rate = 1, 712 .ops = &cs35l56_sdw_dai_ops, 713 }, 714}; 715 716static int cs35l56_write_cal(struct cs35l56_private *cs35l56) 717{ 718 int ret; 719 720 if (cs35l56->base.secured || !cs35l56->base.cal_data_valid) 721 return -ENODATA; 722 723 ret = wm_adsp_run(&cs35l56->dsp); 724 if (ret) 725 return ret; 726 727 ret = cs_amp_write_cal_coeffs(&cs35l56->dsp.cs_dsp, 728 cs35l56->base.calibration_controls, 729 &cs35l56->base.cal_data); 730 731 wm_adsp_stop(&cs35l56->dsp); 732 733 if (ret == 0) 734 dev_info(cs35l56->base.dev, "Calibration applied\n"); 735 736 return ret; 737} 738 739static int cs35l56_dsp_download_and_power_up(struct cs35l56_private *cs35l56, 740 bool load_firmware) 741{ 742 int ret; 743 744 /* 745 * Abort the first load if it didn't find the suffixed bins and 746 * we have an alternate fallback suffix. 747 */ 748 cs35l56->dsp.bin_mandatory = (load_firmware && cs35l56->fallback_fw_suffix); 749 750 ret = wm_adsp_power_up(&cs35l56->dsp, load_firmware); 751 if ((ret == -ENOENT) && cs35l56->dsp.bin_mandatory) { 752 cs35l56->dsp.fwf_suffix = cs35l56->fallback_fw_suffix; 753 cs35l56->fallback_fw_suffix = NULL; 754 cs35l56->dsp.bin_mandatory = false; 755 ret = wm_adsp_power_up(&cs35l56->dsp, load_firmware); 756 } 757 758 if (ret) { 759 dev_dbg(cs35l56->base.dev, "wm_adsp_power_up ret %d\n", ret); 760 return ret; 761 } 762 763 return 0; 764} 765 766static void cs35l56_reinit_patch(struct cs35l56_private *cs35l56) 767{ 768 int ret; 769 770 ret = cs35l56_dsp_download_and_power_up(cs35l56, true); 771 if (ret) 772 return; 773 774 cs35l56_write_cal(cs35l56); 775 776 /* Always REINIT after applying patch or coefficients */ 777 cs35l56_mbox_send(&cs35l56->base, CS35L56_MBOX_CMD_AUDIO_REINIT); 778} 779 780static void cs35l56_patch(struct cs35l56_private *cs35l56, bool firmware_missing) 781{ 782 int ret; 783 784 /* 785 * Disable SoundWire interrupts to prevent race with IRQ work. 786 * Setting sdw_irq_no_unmask prevents the handler re-enabling 787 * the SoundWire interrupt. 788 */ 789 if (cs35l56->sdw_peripheral) { 790 cs35l56->sdw_irq_no_unmask = true; 791 flush_work(&cs35l56->sdw_irq_work); 792 sdw_write_no_pm(cs35l56->sdw_peripheral, CS35L56_SDW_GEN_INT_MASK_1, 0); 793 sdw_read_no_pm(cs35l56->sdw_peripheral, CS35L56_SDW_GEN_INT_STAT_1); 794 sdw_write_no_pm(cs35l56->sdw_peripheral, CS35L56_SDW_GEN_INT_STAT_1, 0xFF); 795 flush_work(&cs35l56->sdw_irq_work); 796 } 797 798 ret = cs35l56_firmware_shutdown(&cs35l56->base); 799 if (ret) 800 goto err; 801 802 /* 803 * Use wm_adsp to load and apply the firmware patch and coefficient files, 804 * but only if firmware is missing. If firmware is already patched just 805 * power-up wm_adsp without downloading firmware. 806 */ 807 ret = cs35l56_dsp_download_and_power_up(cs35l56, firmware_missing); 808 if (ret) 809 goto err; 810 811 mutex_lock(&cs35l56->base.irq_lock); 812 813 reinit_completion(&cs35l56->init_completion); 814 815 cs35l56->soft_resetting = true; 816 cs35l56_system_reset(&cs35l56->base, !!cs35l56->sdw_peripheral); 817 818 if (cs35l56->sdw_peripheral) { 819 /* 820 * The system-reset causes the CS35L56 to detach from the bus. 821 * Wait for the manager to re-enumerate the CS35L56 and 822 * cs35l56_init() to run again. 823 */ 824 if (!wait_for_completion_timeout(&cs35l56->init_completion, 825 msecs_to_jiffies(5000))) { 826 dev_err(cs35l56->base.dev, "%s: init_completion timed out (SDW)\n", 827 __func__); 828 goto err_unlock; 829 } 830 } else if (cs35l56_init(cs35l56)) { 831 goto err_unlock; 832 } 833 834 /* Check if the firmware is still reported missing */ 835 cs35l56_warn_if_firmware_missing(&cs35l56->base); 836 837 regmap_clear_bits(cs35l56->base.regmap, 838 cs35l56->base.fw_reg->prot_sts, 839 CS35L56_FIRMWARE_MISSING); 840 cs35l56->base.fw_patched = true; 841 842 if (cs35l56_write_cal(cs35l56) == 0) 843 cs35l56_mbox_send(&cs35l56->base, CS35L56_MBOX_CMD_AUDIO_REINIT); 844 845err_unlock: 846 mutex_unlock(&cs35l56->base.irq_lock); 847err: 848 /* Re-enable SoundWire interrupts */ 849 if (cs35l56->sdw_peripheral) { 850 cs35l56->sdw_irq_no_unmask = false; 851 sdw_write_no_pm(cs35l56->sdw_peripheral, CS35L56_SDW_GEN_INT_MASK_1, 852 CS35L56_SDW_INT_MASK_CODEC_IRQ); 853 } 854} 855 856static void cs35l56_dsp_work(struct work_struct *work) 857{ 858 struct cs35l56_private *cs35l56 = container_of(work, 859 struct cs35l56_private, 860 dsp_work); 861 unsigned int firmware_version; 862 bool firmware_missing; 863 int ret; 864 865 if (!cs35l56->base.init_done) 866 return; 867 868 pm_runtime_get_sync(cs35l56->base.dev); 869 870 ret = cs35l56_read_prot_status(&cs35l56->base, &firmware_missing, &firmware_version); 871 if (ret) 872 goto err; 873 874 /* Populate fw file qualifier with the revision and security state */ 875 kfree(cs35l56->dsp.fwf_name); 876 if (firmware_missing) { 877 cs35l56->dsp.fwf_name = kasprintf(GFP_KERNEL, "%02x-dsp1", cs35l56->base.rev); 878 } else { 879 /* Firmware files must match the running firmware version */ 880 cs35l56->dsp.fwf_name = kasprintf(GFP_KERNEL, 881 "%02x%s-%06x-dsp1", 882 cs35l56->base.rev, 883 cs35l56->base.secured ? "-s" : "", 884 firmware_version); 885 } 886 887 if (!cs35l56->dsp.fwf_name) 888 goto err; 889 890 dev_dbg(cs35l56->base.dev, "DSP fwf name: '%s' system name: '%s'\n", 891 cs35l56->dsp.fwf_name, cs35l56->dsp.system_name); 892 893 /* 894 * The firmware cannot be patched if it is already running from 895 * patch RAM. In this case the firmware files are versioned to 896 * match the running firmware version and will only contain 897 * tunings. We do not need to shutdown the firmware to apply 898 * tunings so can use the lower cost reinit sequence instead. 899 */ 900 if (!firmware_missing) 901 cs35l56_reinit_patch(cs35l56); 902 else 903 cs35l56_patch(cs35l56, firmware_missing); 904 905 cs35l56_log_tuning(&cs35l56->base, &cs35l56->dsp.cs_dsp); 906err: 907 pm_runtime_put_autosuspend(cs35l56->base.dev); 908} 909 910static struct snd_soc_dapm_context *cs35l56_power_up_for_cal(struct cs35l56_private *cs35l56) 911{ 912 struct snd_soc_dapm_context *dapm = snd_soc_component_to_dapm(cs35l56->component); 913 int ret; 914 915 ret = snd_soc_dapm_enable_pin(dapm, "Calibrate"); 916 if (ret) 917 return ERR_PTR(ret); 918 919 snd_soc_dapm_sync(dapm); 920 921 return dapm; 922} 923 924static void cs35l56_power_down_after_cal(struct cs35l56_private *cs35l56) 925{ 926 struct snd_soc_dapm_context *dapm = snd_soc_component_to_dapm(cs35l56->component); 927 928 snd_soc_dapm_disable_pin(dapm, "Calibrate"); 929 snd_soc_dapm_sync(dapm); 930} 931 932static ssize_t cs35l56_debugfs_calibrate_write(struct file *file, 933 const char __user *from, 934 size_t count, loff_t *ppos) 935{ 936 struct cs35l56_base *cs35l56_base = file->private_data; 937 struct cs35l56_private *cs35l56 = cs35l56_private_from_base(cs35l56_base); 938 struct snd_soc_dapm_context *dapm; 939 ssize_t ret; 940 941 dapm = cs35l56_power_up_for_cal(cs35l56); 942 if (IS_ERR(dapm)) 943 return PTR_ERR(dapm); 944 945 snd_soc_dapm_mutex_lock(dapm); 946 ret = cs35l56_calibrate_debugfs_write(&cs35l56->base, from, count, ppos); 947 snd_soc_dapm_mutex_unlock(dapm); 948 949 cs35l56_power_down_after_cal(cs35l56); 950 951 return ret; 952} 953 954static ssize_t cs35l56_debugfs_cal_temperature_write(struct file *file, 955 const char __user *from, 956 size_t count, loff_t *ppos) 957{ 958 struct cs35l56_base *cs35l56_base = file->private_data; 959 struct cs35l56_private *cs35l56 = cs35l56_private_from_base(cs35l56_base); 960 struct snd_soc_dapm_context *dapm; 961 ssize_t ret; 962 963 dapm = cs35l56_power_up_for_cal(cs35l56); 964 if (IS_ERR(dapm)) 965 return PTR_ERR(dapm); 966 967 ret = cs35l56_cal_ambient_debugfs_write(&cs35l56->base, from, count, ppos); 968 cs35l56_power_down_after_cal(cs35l56); 969 970 return ret; 971} 972 973static ssize_t cs35l56_debugfs_cal_data_read(struct file *file, 974 char __user *to, 975 size_t count, loff_t *ppos) 976{ 977 struct cs35l56_base *cs35l56_base = file->private_data; 978 struct cs35l56_private *cs35l56 = cs35l56_private_from_base(cs35l56_base); 979 struct snd_soc_dapm_context *dapm; 980 ssize_t ret; 981 982 dapm = cs35l56_power_up_for_cal(cs35l56); 983 if (IS_ERR(dapm)) 984 return PTR_ERR(dapm); 985 986 ret = cs35l56_cal_data_debugfs_read(&cs35l56->base, to, count, ppos); 987 cs35l56_power_down_after_cal(cs35l56); 988 989 return ret; 990} 991 992static int cs35l56_new_cal_data_apply(struct cs35l56_private *cs35l56) 993{ 994 struct snd_soc_dapm_context *dapm; 995 int ret; 996 997 if (!cs35l56->base.cal_data_valid) 998 return -ENXIO; 999 1000 if (cs35l56->base.secured) 1001 return -EACCES; 1002 1003 dapm = cs35l56_power_up_for_cal(cs35l56); 1004 if (IS_ERR(dapm)) 1005 return PTR_ERR(dapm); 1006 1007 snd_soc_dapm_mutex_lock(dapm); 1008 ret = cs_amp_write_cal_coeffs(&cs35l56->dsp.cs_dsp, 1009 cs35l56->base.calibration_controls, 1010 &cs35l56->base.cal_data); 1011 if (ret == 0) 1012 cs35l56_mbox_send(&cs35l56->base, CS35L56_MBOX_CMD_AUDIO_REINIT); 1013 else 1014 ret = -EIO; 1015 1016 snd_soc_dapm_mutex_unlock(dapm); 1017 cs35l56_power_down_after_cal(cs35l56); 1018 1019 return ret; 1020} 1021 1022static ssize_t cs35l56_debugfs_cal_data_write(struct file *file, 1023 const char __user *from, 1024 size_t count, loff_t *ppos) 1025{ 1026 struct cs35l56_base *cs35l56_base = file->private_data; 1027 struct cs35l56_private *cs35l56 = cs35l56_private_from_base(cs35l56_base); 1028 int ret; 1029 1030 ret = cs35l56_cal_data_debugfs_write(&cs35l56->base, from, count, ppos); 1031 if (ret == -ENODATA) 1032 return count; /* Ignore writes of empty cal blobs */ 1033 else if (ret < 0) 1034 return -EIO; 1035 1036 ret = cs35l56_new_cal_data_apply(cs35l56); 1037 if (ret) 1038 return ret; 1039 1040 return count; 1041} 1042 1043static const struct cs35l56_cal_debugfs_fops cs35l56_cal_debugfs_fops = { 1044 .calibrate = { 1045 .write = cs35l56_debugfs_calibrate_write, 1046 }, 1047 .cal_temperature = { 1048 .write = cs35l56_debugfs_cal_temperature_write, 1049 }, 1050 .cal_data = { 1051 .read = cs35l56_debugfs_cal_data_read, 1052 .write = cs35l56_debugfs_cal_data_write, 1053 }, 1054}; 1055 1056static int cs35l56_cal_data_rb_ctl_get(struct snd_kcontrol *kcontrol, 1057 struct snd_ctl_elem_value *ucontrol) 1058{ 1059 struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); 1060 struct cs35l56_private *cs35l56 = snd_soc_component_get_drvdata(component); 1061 1062 if (!cs35l56->base.cal_data_valid) 1063 return -ENODATA; 1064 1065 memcpy(ucontrol->value.bytes.data, &cs35l56->base.cal_data, 1066 sizeof(cs35l56->base.cal_data)); 1067 1068 return 0; 1069} 1070 1071static int cs35l56_cal_data_ctl_get(struct snd_kcontrol *kcontrol, 1072 struct snd_ctl_elem_value *ucontrol) 1073{ 1074 struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); 1075 struct cs35l56_private *cs35l56 = snd_soc_component_get_drvdata(component); 1076 1077 /* 1078 * This control is write-only but mixer libraries often try to read 1079 * a control before writing it. So we have to implement read. 1080 * Return zeros so a write of valid data will always be a change 1081 * from its "current value". 1082 */ 1083 memset(ucontrol->value.bytes.data, 0, sizeof(cs35l56->base.cal_data)); 1084 1085 return 0; 1086} 1087 1088static int cs35l56_cal_data_ctl_set(struct snd_kcontrol *kcontrol, 1089 struct snd_ctl_elem_value *ucontrol) 1090{ 1091 struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); 1092 struct cs35l56_private *cs35l56 = snd_soc_component_get_drvdata(component); 1093 const struct cirrus_amp_cal_data *cal_data = (const void *)ucontrol->value.bytes.data; 1094 int ret; 1095 1096 if (cs35l56->base.cal_data_valid) 1097 return -EACCES; 1098 1099 ret = cs35l56_stash_calibration(&cs35l56->base, cal_data); 1100 if (ret) 1101 return ret; 1102 1103 ret = cs35l56_new_cal_data_apply(cs35l56); 1104 if (ret < 0) 1105 return ret; 1106 1107 return 1; 1108} 1109 1110static const struct snd_kcontrol_new cs35l56_cal_data_restore_controls[] = { 1111 SND_SOC_BYTES_E("CAL_DATA", 0, sizeof(struct cirrus_amp_cal_data) / sizeof(u32), 1112 cs35l56_cal_data_ctl_get, cs35l56_cal_data_ctl_set), 1113 SND_SOC_BYTES_E_ACC("CAL_DATA_RB", 0, sizeof(struct cirrus_amp_cal_data) / sizeof(u32), 1114 cs35l56_cal_data_rb_ctl_get, NULL, 1115 SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE), 1116}; 1117 1118static int cs35l56_set_fw_suffix(struct cs35l56_private *cs35l56) 1119{ 1120 if (cs35l56->dsp.fwf_suffix) 1121 return 0; 1122 1123 if (!cs35l56->sdw_peripheral) 1124 return 0; 1125 1126 cs35l56->dsp.fwf_suffix = devm_kasprintf(cs35l56->base.dev, GFP_KERNEL, 1127 "l%uu%u", 1128 cs35l56->sdw_link_num, 1129 cs35l56->sdw_unique_id); 1130 if (!cs35l56->dsp.fwf_suffix) 1131 return -ENOMEM; 1132 1133 /* 1134 * There are published firmware files for L56 B0 silicon using 1135 * the ALSA prefix as the filename suffix. Default to trying these 1136 * first, with the new name as an alternate. 1137 */ 1138 if ((cs35l56->base.type == 0x56) && (cs35l56->base.rev == 0xb0)) { 1139 cs35l56->fallback_fw_suffix = cs35l56->dsp.fwf_suffix; 1140 cs35l56->dsp.fwf_suffix = cs35l56->component->name_prefix; 1141 } 1142 1143 return 0; 1144} 1145 1146static int cs35l56_component_probe(struct snd_soc_component *component) 1147{ 1148 struct snd_soc_dapm_context *dapm = snd_soc_component_to_dapm(component); 1149 struct cs35l56_private *cs35l56 = snd_soc_component_get_drvdata(component); 1150 struct dentry *debugfs_root = component->debugfs_root; 1151 unsigned short vendor, device; 1152 int ret; 1153 1154 BUILD_BUG_ON(ARRAY_SIZE(cs35l56_tx_input_texts) != ARRAY_SIZE(cs35l56_tx_input_values)); 1155 1156 if (!cs35l56->dsp.system_name && 1157 (snd_soc_card_get_pci_ssid(component->card, &vendor, &device) == 0)) { 1158 /* Append a speaker qualifier if there is a speaker ID */ 1159 if (cs35l56->speaker_id >= 0) { 1160 cs35l56->dsp.system_name = devm_kasprintf(cs35l56->base.dev, 1161 GFP_KERNEL, 1162 "%04x%04x-spkid%d", 1163 vendor, device, 1164 cs35l56->speaker_id); 1165 } else { 1166 cs35l56->dsp.system_name = devm_kasprintf(cs35l56->base.dev, 1167 GFP_KERNEL, 1168 "%04x%04x", 1169 vendor, device); 1170 } 1171 if (!cs35l56->dsp.system_name) 1172 return -ENOMEM; 1173 } 1174 1175 if (!wait_for_completion_timeout(&cs35l56->init_completion, 1176 msecs_to_jiffies(5000))) { 1177 dev_err(cs35l56->base.dev, "%s: init_completion timed out\n", __func__); 1178 return -ENODEV; 1179 } 1180 1181 cs35l56->dsp.part = kasprintf(GFP_KERNEL, "cs35l%02x", cs35l56->base.type); 1182 if (!cs35l56->dsp.part) 1183 return -ENOMEM; 1184 1185 cs35l56->component = component; 1186 ret = cs35l56_set_fw_suffix(cs35l56); 1187 if (ret) 1188 return ret; 1189 1190 wm_adsp2_component_probe(&cs35l56->dsp, component); 1191 1192 debugfs_create_bool("init_done", 0444, debugfs_root, &cs35l56->base.init_done); 1193 debugfs_create_bool("can_hibernate", 0444, debugfs_root, &cs35l56->base.can_hibernate); 1194 debugfs_create_bool("fw_patched", 0444, debugfs_root, &cs35l56->base.fw_patched); 1195 1196 1197 switch (cs35l56->base.type) { 1198 case 0x54: 1199 case 0x56: 1200 case 0x57: 1201 ret = snd_soc_add_component_controls(component, cs35l56_controls, 1202 ARRAY_SIZE(cs35l56_controls)); 1203 break; 1204 case 0x63: 1205 ret = snd_soc_add_component_controls(component, cs35l63_controls, 1206 ARRAY_SIZE(cs35l63_controls)); 1207 break; 1208 default: 1209 ret = -ENODEV; 1210 break; 1211 } 1212 1213 if (!ret && IS_ENABLED(CONFIG_SND_SOC_CS35L56_CAL_SET_CTRL)) { 1214 ret = snd_soc_add_component_controls(component, 1215 cs35l56_cal_data_restore_controls, 1216 ARRAY_SIZE(cs35l56_cal_data_restore_controls)); 1217 } 1218 1219 if (ret) 1220 return dev_err_probe(cs35l56->base.dev, ret, "unable to add controls\n"); 1221 1222 ret = snd_soc_dapm_disable_pin(dapm, "Calibrate"); 1223 if (ret) 1224 return ret; 1225 1226 if (IS_ENABLED(CONFIG_SND_SOC_CS35L56_CAL_DEBUGFS)) 1227 cs35l56_create_cal_debugfs(&cs35l56->base, &cs35l56_cal_debugfs_fops); 1228 1229 queue_work(cs35l56->dsp_wq, &cs35l56->dsp_work); 1230 1231 return 0; 1232} 1233 1234static void cs35l56_component_remove(struct snd_soc_component *component) 1235{ 1236 struct cs35l56_private *cs35l56 = snd_soc_component_get_drvdata(component); 1237 1238 cancel_work_sync(&cs35l56->dsp_work); 1239 1240 cs35l56_remove_cal_debugfs(&cs35l56->base); 1241 1242 if (cs35l56->dsp.cs_dsp.booted) 1243 wm_adsp_power_down(&cs35l56->dsp); 1244 1245 wm_adsp2_component_remove(&cs35l56->dsp, component); 1246 1247 kfree(cs35l56->dsp.part); 1248 cs35l56->dsp.part = NULL; 1249 1250 kfree(cs35l56->dsp.fwf_name); 1251 cs35l56->dsp.fwf_name = NULL; 1252 1253 cs35l56->component = NULL; 1254} 1255 1256static int cs35l56_set_bias_level(struct snd_soc_component *component, 1257 enum snd_soc_bias_level level) 1258{ 1259 struct cs35l56_private *cs35l56 = snd_soc_component_get_drvdata(component); 1260 struct snd_soc_dapm_context *dapm = snd_soc_component_to_dapm(component); 1261 1262 switch (level) { 1263 case SND_SOC_BIAS_STANDBY: 1264 /* 1265 * Wait for patching to complete when transitioning from 1266 * BIAS_OFF to BIAS_STANDBY 1267 */ 1268 if (snd_soc_dapm_get_bias_level(dapm) == SND_SOC_BIAS_OFF) 1269 cs35l56_wait_dsp_ready(cs35l56); 1270 1271 break; 1272 default: 1273 break; 1274 } 1275 1276 return 0; 1277} 1278 1279static const struct snd_soc_component_driver soc_component_dev_cs35l56 = { 1280 .probe = cs35l56_component_probe, 1281 .remove = cs35l56_component_remove, 1282 1283 .dapm_widgets = cs35l56_dapm_widgets, 1284 .num_dapm_widgets = ARRAY_SIZE(cs35l56_dapm_widgets), 1285 .dapm_routes = cs35l56_audio_map, 1286 .num_dapm_routes = ARRAY_SIZE(cs35l56_audio_map), 1287 1288 .set_bias_level = cs35l56_set_bias_level, 1289 1290 .suspend_bias_off = 1, /* see cs35l56_system_resume() */ 1291}; 1292 1293static int __maybe_unused cs35l56_runtime_suspend_i2c_spi(struct device *dev) 1294{ 1295 struct cs35l56_private *cs35l56 = dev_get_drvdata(dev); 1296 1297 return cs35l56_runtime_suspend_common(&cs35l56->base); 1298} 1299 1300static int __maybe_unused cs35l56_runtime_resume_i2c_spi(struct device *dev) 1301{ 1302 struct cs35l56_private *cs35l56 = dev_get_drvdata(dev); 1303 1304 return cs35l56_runtime_resume_common(&cs35l56->base, false); 1305} 1306 1307int cs35l56_system_suspend(struct device *dev) 1308{ 1309 struct cs35l56_private *cs35l56 = dev_get_drvdata(dev); 1310 1311 dev_dbg(dev, "system_suspend\n"); 1312 1313 if (cs35l56->component) 1314 flush_work(&cs35l56->dsp_work); 1315 1316 /* 1317 * The interrupt line is normally shared, but after we start suspending 1318 * we can't check if our device is the source of an interrupt, and can't 1319 * clear it. Prevent this race by temporarily disabling the parent irq 1320 * until we reach _no_irq. 1321 */ 1322 if (cs35l56->base.irq) 1323 disable_irq(cs35l56->base.irq); 1324 1325 return pm_runtime_force_suspend(dev); 1326} 1327EXPORT_SYMBOL_GPL(cs35l56_system_suspend); 1328 1329int cs35l56_system_suspend_late(struct device *dev) 1330{ 1331 struct cs35l56_private *cs35l56 = dev_get_drvdata(dev); 1332 1333 dev_dbg(dev, "system_suspend_late\n"); 1334 1335 /* 1336 * Assert RESET before removing supplies. 1337 * RESET is usually shared by all amps so it must not be asserted until 1338 * all driver instances have done their suspend() stage. 1339 */ 1340 if (cs35l56->base.reset_gpio) { 1341 gpiod_set_value_cansleep(cs35l56->base.reset_gpio, 0); 1342 cs35l56_wait_min_reset_pulse(); 1343 } 1344 1345 regulator_bulk_disable(ARRAY_SIZE(cs35l56->supplies), cs35l56->supplies); 1346 1347 return 0; 1348} 1349EXPORT_SYMBOL_GPL(cs35l56_system_suspend_late); 1350 1351int cs35l56_system_suspend_no_irq(struct device *dev) 1352{ 1353 struct cs35l56_private *cs35l56 = dev_get_drvdata(dev); 1354 1355 dev_dbg(dev, "system_suspend_no_irq\n"); 1356 1357 /* Handlers are now disabled so the parent IRQ can safely be re-enabled. */ 1358 if (cs35l56->base.irq) 1359 enable_irq(cs35l56->base.irq); 1360 1361 return 0; 1362} 1363EXPORT_SYMBOL_GPL(cs35l56_system_suspend_no_irq); 1364 1365int cs35l56_system_resume_no_irq(struct device *dev) 1366{ 1367 struct cs35l56_private *cs35l56 = dev_get_drvdata(dev); 1368 1369 dev_dbg(dev, "system_resume_no_irq\n"); 1370 1371 /* 1372 * WAKE interrupts unmask if the CS35L56 hibernates, which can cause 1373 * spurious interrupts, and the interrupt line is normally shared. 1374 * We can't check if our device is the source of an interrupt, and can't 1375 * clear it, until it has fully resumed. Prevent this race by temporarily 1376 * disabling the parent irq until we complete resume(). 1377 */ 1378 if (cs35l56->base.irq) 1379 disable_irq(cs35l56->base.irq); 1380 1381 return 0; 1382} 1383EXPORT_SYMBOL_GPL(cs35l56_system_resume_no_irq); 1384 1385int cs35l56_system_resume_early(struct device *dev) 1386{ 1387 struct cs35l56_private *cs35l56 = dev_get_drvdata(dev); 1388 int ret; 1389 1390 dev_dbg(dev, "system_resume_early\n"); 1391 1392 /* Ensure a spec-compliant RESET pulse. */ 1393 if (cs35l56->base.reset_gpio) { 1394 gpiod_set_value_cansleep(cs35l56->base.reset_gpio, 0); 1395 cs35l56_wait_min_reset_pulse(); 1396 } 1397 1398 /* Enable supplies before releasing RESET. */ 1399 ret = regulator_bulk_enable(ARRAY_SIZE(cs35l56->supplies), cs35l56->supplies); 1400 if (ret) { 1401 dev_err(dev, "system_resume_early failed to enable supplies: %d\n", ret); 1402 return ret; 1403 } 1404 1405 /* Release shared RESET before drivers start resume(). */ 1406 gpiod_set_value_cansleep(cs35l56->base.reset_gpio, 1); 1407 1408 return 0; 1409} 1410EXPORT_SYMBOL_GPL(cs35l56_system_resume_early); 1411 1412int cs35l56_system_resume(struct device *dev) 1413{ 1414 struct cs35l56_private *cs35l56 = dev_get_drvdata(dev); 1415 int ret; 1416 1417 dev_dbg(dev, "system_resume\n"); 1418 1419 /* 1420 * We might have done a hard reset or the CS35L56 was power-cycled 1421 * so wait for control port to be ready. 1422 */ 1423 cs35l56_wait_control_port_ready(); 1424 1425 /* Undo pm_runtime_force_suspend() before re-enabling the irq */ 1426 ret = pm_runtime_force_resume(dev); 1427 if (cs35l56->base.irq) 1428 enable_irq(cs35l56->base.irq); 1429 1430 if (ret) 1431 return ret; 1432 1433 /* Firmware won't have been loaded if the component hasn't probed */ 1434 if (!cs35l56->component) 1435 return 0; 1436 1437 ret = cs35l56_is_fw_reload_needed(&cs35l56->base); 1438 dev_dbg(cs35l56->base.dev, "fw_reload_needed: %d\n", ret); 1439 if (ret < 1) 1440 return ret; 1441 1442 cs35l56->base.fw_patched = false; 1443 wm_adsp_power_down(&cs35l56->dsp); 1444 queue_work(cs35l56->dsp_wq, &cs35l56->dsp_work); 1445 1446 /* 1447 * suspend_bias_off ensures we are now in BIAS_OFF so there will be 1448 * a BIAS_OFF->BIAS_STANDBY transition to complete dsp patching. 1449 */ 1450 1451 return 0; 1452} 1453EXPORT_SYMBOL_GPL(cs35l56_system_resume); 1454 1455static int cs35l56_control_add_nop(struct wm_adsp *dsp, struct cs_dsp_coeff_ctl *cs_ctl) 1456{ 1457 return 0; 1458} 1459 1460static int cs35l56_dsp_init(struct cs35l56_private *cs35l56) 1461{ 1462 struct wm_adsp *dsp; 1463 int ret; 1464 1465 cs35l56->dsp_wq = create_singlethread_workqueue("cs35l56-dsp"); 1466 if (!cs35l56->dsp_wq) 1467 return -ENOMEM; 1468 1469 INIT_WORK(&cs35l56->dsp_work, cs35l56_dsp_work); 1470 1471 dsp = &cs35l56->dsp; 1472 cs35l56_init_cs_dsp(&cs35l56->base, &dsp->cs_dsp); 1473 1474 /* 1475 * dsp->part is filled in later as it is based on the DEVID. In a 1476 * SoundWire system that cannot be read until enumeration has occurred 1477 * and the device has attached. 1478 */ 1479 dsp->fw = 12; 1480 dsp->wmfw_optional = true; 1481 1482 /* 1483 * None of the firmware controls need to be exported so add a no-op 1484 * callback that suppresses creating an ALSA control. 1485 */ 1486 dsp->control_add = &cs35l56_control_add_nop; 1487 1488 dev_dbg(cs35l56->base.dev, "DSP system name: '%s'\n", dsp->system_name); 1489 1490 ret = wm_halo_init(dsp); 1491 if (ret != 0) { 1492 dev_err(cs35l56->base.dev, "wm_halo_init failed\n"); 1493 return ret; 1494 } 1495 1496 return 0; 1497} 1498 1499static int cs35l56_get_firmware_uid(struct cs35l56_private *cs35l56) 1500{ 1501 struct device *dev = cs35l56->base.dev; 1502 const char *prop; 1503 int ret; 1504 1505 ret = device_property_read_string(dev, "cirrus,firmware-uid", &prop); 1506 /* If bad sw node property, return 0 and fallback to legacy firmware path */ 1507 if (ret < 0) 1508 return 0; 1509 1510 /* Append a speaker qualifier if there is a speaker ID */ 1511 if (cs35l56->speaker_id >= 0) 1512 cs35l56->dsp.system_name = devm_kasprintf(dev, GFP_KERNEL, "%s-spkid%d", 1513 prop, cs35l56->speaker_id); 1514 else 1515 cs35l56->dsp.system_name = devm_kstrdup(dev, prop, GFP_KERNEL); 1516 1517 if (cs35l56->dsp.system_name == NULL) 1518 return -ENOMEM; 1519 1520 dev_dbg(dev, "Firmware UID: %s\n", cs35l56->dsp.system_name); 1521 1522 return 0; 1523} 1524 1525/* 1526 * Some SoundWire laptops have a spk-id-gpios property but it points to 1527 * the wrong ACPI Device node so can't be used to get the GPIO. Try to 1528 * find the SDCA node containing the GpioIo resource and add a GPIO 1529 * mapping to it. 1530 */ 1531static const struct acpi_gpio_params cs35l56_af01_first_gpio = { 0, 0, false }; 1532static const struct acpi_gpio_mapping cs35l56_af01_spkid_gpios_mapping[] = { 1533 { "spk-id-gpios", &cs35l56_af01_first_gpio, 1 }, 1534 { } 1535}; 1536 1537static void cs35l56_acpi_dev_release_driver_gpios(void *adev) 1538{ 1539 acpi_dev_remove_driver_gpios(adev); 1540} 1541 1542static int cs35l56_try_get_broken_sdca_spkid_gpio(struct cs35l56_private *cs35l56) 1543{ 1544 struct fwnode_handle *af01_fwnode; 1545 const union acpi_object *obj; 1546 struct gpio_desc *desc; 1547 int ret; 1548 1549 /* Find the SDCA node containing the GpioIo */ 1550 af01_fwnode = device_get_named_child_node(cs35l56->base.dev, "AF01"); 1551 if (!af01_fwnode) { 1552 dev_dbg(cs35l56->base.dev, "No AF01 node\n"); 1553 return -ENOENT; 1554 } 1555 1556 ret = acpi_dev_get_property(ACPI_COMPANION(cs35l56->base.dev), 1557 "spk-id-gpios", ACPI_TYPE_PACKAGE, &obj); 1558 if (ret) { 1559 dev_dbg(cs35l56->base.dev, "Could not get spk-id-gpios package: %d\n", ret); 1560 fwnode_handle_put(af01_fwnode); 1561 return -ENOENT; 1562 } 1563 1564 /* The broken properties we can handle are a 4-element package (one GPIO) */ 1565 if (obj->package.count != 4) { 1566 dev_warn(cs35l56->base.dev, "Unexpected spk-id element count %d\n", 1567 obj->package.count); 1568 fwnode_handle_put(af01_fwnode); 1569 return -ENOENT; 1570 } 1571 1572 /* Add a GPIO mapping if it doesn't already have one */ 1573 if (!fwnode_property_present(af01_fwnode, "spk-id-gpios")) { 1574 struct acpi_device *adev = to_acpi_device_node(af01_fwnode); 1575 1576 /* 1577 * Can't use devm_acpi_dev_add_driver_gpios() because the 1578 * mapping isn't being added to the node pointed to by 1579 * ACPI_COMPANION(). 1580 */ 1581 ret = acpi_dev_add_driver_gpios(adev, cs35l56_af01_spkid_gpios_mapping); 1582 if (ret) { 1583 fwnode_handle_put(af01_fwnode); 1584 return dev_err_probe(cs35l56->base.dev, ret, 1585 "Failed to add gpio mapping to AF01\n"); 1586 } 1587 1588 ret = devm_add_action_or_reset(cs35l56->base.dev, 1589 cs35l56_acpi_dev_release_driver_gpios, 1590 adev); 1591 if (ret) { 1592 fwnode_handle_put(af01_fwnode); 1593 return ret; 1594 } 1595 1596 dev_dbg(cs35l56->base.dev, "Added spk-id-gpios mapping to AF01\n"); 1597 } 1598 1599 desc = fwnode_gpiod_get_index(af01_fwnode, "spk-id", 0, GPIOD_IN, NULL); 1600 if (IS_ERR(desc)) { 1601 fwnode_handle_put(af01_fwnode); 1602 ret = PTR_ERR(desc); 1603 return dev_err_probe(cs35l56->base.dev, ret, "Get GPIO from AF01 failed\n"); 1604 } 1605 1606 ret = gpiod_get_value_cansleep(desc); 1607 gpiod_put(desc); 1608 1609 if (ret < 0) { 1610 fwnode_handle_put(af01_fwnode); 1611 dev_err_probe(cs35l56->base.dev, ret, "Error reading spk-id GPIO\n"); 1612 return ret; 1613 } 1614 1615 fwnode_handle_put(af01_fwnode); 1616 1617 dev_info(cs35l56->base.dev, "Got spk-id from AF01\n"); 1618 1619 return ret; 1620} 1621 1622int cs35l56_common_probe(struct cs35l56_private *cs35l56) 1623{ 1624 int ret; 1625 1626 init_completion(&cs35l56->init_completion); 1627 mutex_init(&cs35l56->base.irq_lock); 1628 cs35l56->base.cal_index = -1; 1629 cs35l56->speaker_id = -ENOENT; 1630 1631 dev_set_drvdata(cs35l56->base.dev, cs35l56); 1632 1633 cs35l56_fill_supply_names(cs35l56->supplies); 1634 ret = devm_regulator_bulk_get(cs35l56->base.dev, ARRAY_SIZE(cs35l56->supplies), 1635 cs35l56->supplies); 1636 if (ret != 0) 1637 return dev_err_probe(cs35l56->base.dev, ret, "Failed to request supplies\n"); 1638 1639 /* Reset could be controlled by the BIOS or shared by multiple amps */ 1640 cs35l56->base.reset_gpio = devm_gpiod_get_optional(cs35l56->base.dev, "reset", 1641 GPIOD_OUT_LOW); 1642 if (IS_ERR(cs35l56->base.reset_gpio)) { 1643 ret = PTR_ERR(cs35l56->base.reset_gpio); 1644 /* 1645 * If RESET is shared the first amp to probe will grab the reset 1646 * line and reset all the amps 1647 */ 1648 if (ret != -EBUSY) 1649 return dev_err_probe(cs35l56->base.dev, ret, "Failed to get reset GPIO\n"); 1650 1651 dev_info(cs35l56->base.dev, "Reset GPIO busy, assume shared reset\n"); 1652 cs35l56->base.reset_gpio = NULL; 1653 } 1654 1655 ret = regulator_bulk_enable(ARRAY_SIZE(cs35l56->supplies), cs35l56->supplies); 1656 if (ret != 0) 1657 return dev_err_probe(cs35l56->base.dev, ret, "Failed to enable supplies\n"); 1658 1659 if (cs35l56->base.reset_gpio) { 1660 /* ACPI can override GPIOD_OUT_LOW flag so force it to start low */ 1661 gpiod_set_value_cansleep(cs35l56->base.reset_gpio, 0); 1662 cs35l56_wait_min_reset_pulse(); 1663 gpiod_set_value_cansleep(cs35l56->base.reset_gpio, 1); 1664 } 1665 1666 ret = cs35l56_get_speaker_id(&cs35l56->base); 1667 if (ACPI_COMPANION(cs35l56->base.dev) && cs35l56->sdw_peripheral && (ret == -ENOENT)) 1668 ret = cs35l56_try_get_broken_sdca_spkid_gpio(cs35l56); 1669 1670 if ((ret < 0) && (ret != -ENOENT)) 1671 goto err; 1672 1673 cs35l56->speaker_id = ret; 1674 1675 ret = cs35l56_get_firmware_uid(cs35l56); 1676 if (ret != 0) 1677 goto err; 1678 1679 ret = cs35l56_dsp_init(cs35l56); 1680 if (ret < 0) { 1681 dev_err_probe(cs35l56->base.dev, ret, "DSP init failed\n"); 1682 goto err; 1683 } 1684 1685 ret = devm_snd_soc_register_component(cs35l56->base.dev, 1686 &soc_component_dev_cs35l56, 1687 cs35l56_dai, ARRAY_SIZE(cs35l56_dai)); 1688 if (ret < 0) { 1689 dev_err_probe(cs35l56->base.dev, ret, "Register codec failed\n"); 1690 goto err; 1691 } 1692 1693 return 0; 1694 1695err: 1696 gpiod_set_value_cansleep(cs35l56->base.reset_gpio, 0); 1697 regulator_bulk_disable(ARRAY_SIZE(cs35l56->supplies), cs35l56->supplies); 1698 1699 return ret; 1700} 1701EXPORT_SYMBOL_NS_GPL(cs35l56_common_probe, "SND_SOC_CS35L56_CORE"); 1702 1703int cs35l56_init(struct cs35l56_private *cs35l56) 1704{ 1705 int ret; 1706 1707 /* 1708 * Check whether the actions associated with soft reset or one time 1709 * init need to be performed. 1710 */ 1711 if (cs35l56->soft_resetting) 1712 goto post_soft_reset; 1713 1714 if (cs35l56->base.init_done) 1715 return 0; 1716 1717 pm_runtime_set_autosuspend_delay(cs35l56->base.dev, 100); 1718 pm_runtime_use_autosuspend(cs35l56->base.dev); 1719 pm_runtime_set_active(cs35l56->base.dev); 1720 pm_runtime_enable(cs35l56->base.dev); 1721 1722 ret = cs35l56_hw_init(&cs35l56->base); 1723 if (ret < 0) 1724 return ret; 1725 1726 ret = cs35l56_set_patch(&cs35l56->base); 1727 if (ret) 1728 return ret; 1729 1730 ret = cs35l56_get_calibration(&cs35l56->base); 1731 if (ret) 1732 return ret; 1733 1734 if (!cs35l56->base.reset_gpio) { 1735 dev_dbg(cs35l56->base.dev, "No reset gpio: using soft reset\n"); 1736 cs35l56->soft_resetting = true; 1737 cs35l56_system_reset(&cs35l56->base, !!cs35l56->sdw_peripheral); 1738 if (cs35l56->sdw_peripheral) { 1739 /* Keep alive while we wait for re-enumeration */ 1740 pm_runtime_get_noresume(cs35l56->base.dev); 1741 return 0; 1742 } 1743 } 1744 1745post_soft_reset: 1746 if (cs35l56->soft_resetting) { 1747 cs35l56->soft_resetting = false; 1748 1749 /* Done re-enumerating after one-time init so release the keep-alive */ 1750 if (cs35l56->sdw_peripheral && !cs35l56->base.init_done) 1751 pm_runtime_put_noidle(cs35l56->base.dev); 1752 1753 regcache_mark_dirty(cs35l56->base.regmap); 1754 ret = cs35l56_wait_for_firmware_boot(&cs35l56->base); 1755 if (ret) 1756 return ret; 1757 1758 dev_dbg(cs35l56->base.dev, "Firmware rebooted after soft reset\n"); 1759 1760 regcache_cache_only(cs35l56->base.regmap, false); 1761 } 1762 1763 /* Disable auto-hibernate so that runtime_pm has control */ 1764 ret = cs35l56_mbox_send(&cs35l56->base, CS35L56_MBOX_CMD_PREVENT_AUTO_HIBERNATE); 1765 if (ret) 1766 return ret; 1767 1768 /* Registers could be dirty after soft reset or SoundWire enumeration */ 1769 regcache_sync(cs35l56->base.regmap); 1770 1771 /* Set ASP1 DOUT to high-impedance when it is not transmitting audio data. */ 1772 ret = regmap_set_bits(cs35l56->base.regmap, CS35L56_ASP1_CONTROL3, 1773 CS35L56_ASP1_DOUT_HIZ_CTRL_MASK); 1774 if (ret) 1775 return dev_err_probe(cs35l56->base.dev, ret, "Failed to write ASP1_CONTROL3\n"); 1776 1777 cs35l56->base.init_done = true; 1778 complete(&cs35l56->init_completion); 1779 1780 return 0; 1781} 1782EXPORT_SYMBOL_NS_GPL(cs35l56_init, "SND_SOC_CS35L56_CORE"); 1783 1784void cs35l56_remove(struct cs35l56_private *cs35l56) 1785{ 1786 cs35l56->base.init_done = false; 1787 1788 /* 1789 * WAKE IRQs unmask if CS35L56 hibernates so free the handler to 1790 * prevent it racing with remove(). 1791 */ 1792 if (cs35l56->base.irq) 1793 devm_free_irq(cs35l56->base.dev, cs35l56->base.irq, &cs35l56->base); 1794 1795 destroy_workqueue(cs35l56->dsp_wq); 1796 1797 pm_runtime_dont_use_autosuspend(cs35l56->base.dev); 1798 pm_runtime_suspend(cs35l56->base.dev); 1799 pm_runtime_disable(cs35l56->base.dev); 1800 1801 regcache_cache_only(cs35l56->base.regmap, true); 1802 1803 gpiod_set_value_cansleep(cs35l56->base.reset_gpio, 0); 1804 regulator_bulk_disable(ARRAY_SIZE(cs35l56->supplies), cs35l56->supplies); 1805} 1806EXPORT_SYMBOL_NS_GPL(cs35l56_remove, "SND_SOC_CS35L56_CORE"); 1807 1808#if IS_ENABLED(CONFIG_SND_SOC_CS35L56_I2C) || IS_ENABLED(CONFIG_SND_SOC_CS35L56_SPI) 1809EXPORT_NS_GPL_DEV_PM_OPS(cs35l56_pm_ops_i2c_spi, SND_SOC_CS35L56_CORE) = { 1810 SET_RUNTIME_PM_OPS(cs35l56_runtime_suspend_i2c_spi, cs35l56_runtime_resume_i2c_spi, NULL) 1811 SYSTEM_SLEEP_PM_OPS(cs35l56_system_suspend, cs35l56_system_resume) 1812 LATE_SYSTEM_SLEEP_PM_OPS(cs35l56_system_suspend_late, cs35l56_system_resume_early) 1813 NOIRQ_SYSTEM_SLEEP_PM_OPS(cs35l56_system_suspend_no_irq, cs35l56_system_resume_no_irq) 1814}; 1815#endif 1816 1817MODULE_DESCRIPTION("ASoC CS35L56 driver"); 1818MODULE_IMPORT_NS("SND_SOC_CS35L56_SHARED"); 1819MODULE_IMPORT_NS("SND_SOC_CS_AMP_LIB"); 1820MODULE_AUTHOR("Richard Fitzgerald <rf@opensource.cirrus.com>"); 1821MODULE_AUTHOR("Simon Trimmer <simont@opensource.cirrus.com>"); 1822MODULE_LICENSE("GPL");
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