1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * wm_adsp.c -- Wolfson ADSP support 4 * 5 * Copyright 2012 Wolfson Microelectronics plc 6 * 7 * Author: Mark Brown <broonie@opensource.wolfsonmicro.com> 8 */ 9 10 #include <linux/ctype.h> 11 #include <linux/module.h> 12 #include <linux/moduleparam.h> 13 #include <linux/init.h> 14 #include <linux/delay.h> 15 #include <linux/firmware.h> 16 #include <linux/list.h> 17 #include <linux/pm.h> 18 #include <linux/pm_runtime.h> 19 #include <linux/regmap.h> 20 #include <linux/regulator/consumer.h> 21 #include <linux/slab.h> 22 #include <linux/workqueue.h> 23 #include <linux/debugfs.h> 24 #include <sound/core.h> 25 #include <sound/pcm.h> 26 #include <sound/pcm_params.h> 27 #include <sound/soc.h> 28 #include <sound/jack.h> 29 #include <sound/initval.h> 30 #include <sound/tlv.h> 31 32 #include "wm_adsp.h" 33 34 #define adsp_crit(_dsp, fmt, ...) \ 35 dev_crit(_dsp->cs_dsp.dev, "%s: " fmt, _dsp->cs_dsp.name, ##__VA_ARGS__) 36 #define adsp_err(_dsp, fmt, ...) \ 37 dev_err(_dsp->cs_dsp.dev, "%s: " fmt, _dsp->cs_dsp.name, ##__VA_ARGS__) 38 #define adsp_warn(_dsp, fmt, ...) \ 39 dev_warn(_dsp->cs_dsp.dev, "%s: " fmt, _dsp->cs_dsp.name, ##__VA_ARGS__) 40 #define adsp_info(_dsp, fmt, ...) \ 41 dev_info(_dsp->cs_dsp.dev, "%s: " fmt, _dsp->cs_dsp.name, ##__VA_ARGS__) 42 #define adsp_dbg(_dsp, fmt, ...) \ 43 dev_dbg(_dsp->cs_dsp.dev, "%s: " fmt, _dsp->cs_dsp.name, ##__VA_ARGS__) 44 45 #define compr_err(_obj, fmt, ...) \ 46 adsp_err(_obj->dsp, "%s: " fmt, _obj->name ? _obj->name : "legacy", \ 47 ##__VA_ARGS__) 48 #define compr_dbg(_obj, fmt, ...) \ 49 adsp_dbg(_obj->dsp, "%s: " fmt, _obj->name ? _obj->name : "legacy", \ 50 ##__VA_ARGS__) 51 52 #define ADSP_MAX_STD_CTRL_SIZE 512 53 54 static const struct cs_dsp_client_ops wm_adsp1_client_ops; 55 static const struct cs_dsp_client_ops wm_adsp2_client_ops; 56 57 #define WM_ADSP_FW_MBC_VSS 0 58 #define WM_ADSP_FW_HIFI 1 59 #define WM_ADSP_FW_TX 2 60 #define WM_ADSP_FW_TX_SPK 3 61 #define WM_ADSP_FW_RX 4 62 #define WM_ADSP_FW_RX_ANC 5 63 #define WM_ADSP_FW_CTRL 6 64 #define WM_ADSP_FW_ASR 7 65 #define WM_ADSP_FW_TRACE 8 66 #define WM_ADSP_FW_SPK_PROT 9 67 #define WM_ADSP_FW_SPK_CALI 10 68 #define WM_ADSP_FW_SPK_DIAG 11 69 #define WM_ADSP_FW_MISC 12 70 71 #define WM_ADSP_NUM_FW 13 72 73 static const char *wm_adsp_fw_text[WM_ADSP_NUM_FW] = { 74 [WM_ADSP_FW_MBC_VSS] = "MBC/VSS", 75 [WM_ADSP_FW_HIFI] = "MasterHiFi", 76 [WM_ADSP_FW_TX] = "Tx", 77 [WM_ADSP_FW_TX_SPK] = "Tx Speaker", 78 [WM_ADSP_FW_RX] = "Rx", 79 [WM_ADSP_FW_RX_ANC] = "Rx ANC", 80 [WM_ADSP_FW_CTRL] = "Voice Ctrl", 81 [WM_ADSP_FW_ASR] = "ASR Assist", 82 [WM_ADSP_FW_TRACE] = "Dbg Trace", 83 [WM_ADSP_FW_SPK_PROT] = "Protection", 84 [WM_ADSP_FW_SPK_CALI] = "Calibration", 85 [WM_ADSP_FW_SPK_DIAG] = "Diagnostic", 86 [WM_ADSP_FW_MISC] = "Misc", 87 }; 88 89 struct wm_adsp_system_config_xm_hdr { 90 __be32 sys_enable; 91 __be32 fw_id; 92 __be32 fw_rev; 93 __be32 boot_status; 94 __be32 watchdog; 95 __be32 dma_buffer_size; 96 __be32 rdma[6]; 97 __be32 wdma[8]; 98 __be32 build_job_name[3]; 99 __be32 build_job_number; 100 }; 101 102 struct wm_halo_system_config_xm_hdr { 103 __be32 halo_heartbeat; 104 __be32 build_job_name[3]; 105 __be32 build_job_number; 106 }; 107 108 struct wm_adsp_alg_xm_struct { 109 __be32 magic; 110 __be32 smoothing; 111 __be32 threshold; 112 __be32 host_buf_ptr; 113 __be32 start_seq; 114 __be32 high_water_mark; 115 __be32 low_water_mark; 116 __be64 smoothed_power; 117 }; 118 119 struct wm_adsp_host_buf_coeff_v1 { 120 __be32 host_buf_ptr; /* Host buffer pointer */ 121 __be32 versions; /* Version numbers */ 122 __be32 name[4]; /* The buffer name */ 123 }; 124 125 struct wm_adsp_buffer { 126 __be32 buf1_base; /* Base addr of first buffer area */ 127 __be32 buf1_size; /* Size of buf1 area in DSP words */ 128 __be32 buf2_base; /* Base addr of 2nd buffer area */ 129 __be32 buf1_buf2_size; /* Size of buf1+buf2 in DSP words */ 130 __be32 buf3_base; /* Base addr of buf3 area */ 131 __be32 buf_total_size; /* Size of buf1+buf2+buf3 in DSP words */ 132 __be32 high_water_mark; /* Point at which IRQ is asserted */ 133 __be32 irq_count; /* bits 1-31 count IRQ assertions */ 134 __be32 irq_ack; /* acked IRQ count, bit 0 enables IRQ */ 135 __be32 next_write_index; /* word index of next write */ 136 __be32 next_read_index; /* word index of next read */ 137 __be32 error; /* error if any */ 138 __be32 oldest_block_index; /* word index of oldest surviving */ 139 __be32 requested_rewind; /* how many blocks rewind was done */ 140 __be32 reserved_space; /* internal */ 141 __be32 min_free; /* min free space since stream start */ 142 __be32 blocks_written[2]; /* total blocks written (64 bit) */ 143 __be32 words_written[2]; /* total words written (64 bit) */ 144 }; 145 146 struct wm_adsp_compr; 147 148 struct wm_adsp_compr_buf { 149 struct list_head list; 150 struct wm_adsp *dsp; 151 struct wm_adsp_compr *compr; 152 153 struct wm_adsp_buffer_region *regions; 154 u32 host_buf_ptr; 155 156 u32 error; 157 u32 irq_count; 158 int read_index; 159 int avail; 160 int host_buf_mem_type; 161 162 char *name; 163 }; 164 165 struct wm_adsp_compr { 166 struct list_head list; 167 struct wm_adsp *dsp; 168 struct wm_adsp_compr_buf *buf; 169 170 struct snd_compr_stream *stream; 171 struct snd_compressed_buffer size; 172 173 u32 *raw_buf; 174 unsigned int copied_total; 175 176 unsigned int sample_rate; 177 178 const char *name; 179 }; 180 181 #define WM_ADSP_MIN_FRAGMENTS 1 182 #define WM_ADSP_MAX_FRAGMENTS 256 183 #define WM_ADSP_MIN_FRAGMENT_SIZE (64 * CS_DSP_DATA_WORD_SIZE) 184 #define WM_ADSP_MAX_FRAGMENT_SIZE (4096 * CS_DSP_DATA_WORD_SIZE) 185 186 #define WM_ADSP_ALG_XM_STRUCT_MAGIC 0x49aec7 187 188 #define HOST_BUFFER_FIELD(field) \ 189 (offsetof(struct wm_adsp_buffer, field) / sizeof(__be32)) 190 191 #define ALG_XM_FIELD(field) \ 192 (offsetof(struct wm_adsp_alg_xm_struct, field) / sizeof(__be32)) 193 194 #define HOST_BUF_COEFF_SUPPORTED_COMPAT_VER 1 195 196 #define HOST_BUF_COEFF_COMPAT_VER_MASK 0xFF00 197 #define HOST_BUF_COEFF_COMPAT_VER_SHIFT 8 198 199 static int wm_adsp_buffer_init(struct wm_adsp *dsp); 200 static int wm_adsp_buffer_free(struct wm_adsp *dsp); 201 202 struct wm_adsp_buffer_region { 203 unsigned int offset; 204 unsigned int cumulative_size; 205 unsigned int mem_type; 206 unsigned int base_addr; 207 }; 208 209 struct wm_adsp_buffer_region_def { 210 unsigned int mem_type; 211 unsigned int base_offset; 212 unsigned int size_offset; 213 }; 214 215 static const struct wm_adsp_buffer_region_def default_regions[] = { 216 { 217 .mem_type = WMFW_ADSP2_XM, 218 .base_offset = HOST_BUFFER_FIELD(buf1_base), 219 .size_offset = HOST_BUFFER_FIELD(buf1_size), 220 }, 221 { 222 .mem_type = WMFW_ADSP2_XM, 223 .base_offset = HOST_BUFFER_FIELD(buf2_base), 224 .size_offset = HOST_BUFFER_FIELD(buf1_buf2_size), 225 }, 226 { 227 .mem_type = WMFW_ADSP2_YM, 228 .base_offset = HOST_BUFFER_FIELD(buf3_base), 229 .size_offset = HOST_BUFFER_FIELD(buf_total_size), 230 }, 231 }; 232 233 struct wm_adsp_fw_caps { 234 u32 id; 235 struct snd_codec_desc desc; 236 int num_regions; 237 const struct wm_adsp_buffer_region_def *region_defs; 238 }; 239 240 static const struct wm_adsp_fw_caps ctrl_caps[] = { 241 { 242 .id = SND_AUDIOCODEC_BESPOKE, 243 .desc = { 244 .max_ch = 8, 245 .sample_rates = { 16000 }, 246 .num_sample_rates = 1, 247 .formats = SNDRV_PCM_FMTBIT_S16_LE, 248 }, 249 .num_regions = ARRAY_SIZE(default_regions), 250 .region_defs = default_regions, 251 }, 252 }; 253 254 static const struct wm_adsp_fw_caps trace_caps[] = { 255 { 256 .id = SND_AUDIOCODEC_BESPOKE, 257 .desc = { 258 .max_ch = 8, 259 .sample_rates = { 260 4000, 8000, 11025, 12000, 16000, 22050, 261 24000, 32000, 44100, 48000, 64000, 88200, 262 96000, 176400, 192000 263 }, 264 .num_sample_rates = 15, 265 .formats = SNDRV_PCM_FMTBIT_S16_LE, 266 }, 267 .num_regions = ARRAY_SIZE(default_regions), 268 .region_defs = default_regions, 269 }, 270 }; 271 272 static const struct { 273 const char *file; 274 int compr_direction; 275 int num_caps; 276 const struct wm_adsp_fw_caps *caps; 277 bool voice_trigger; 278 } wm_adsp_fw[WM_ADSP_NUM_FW] = { 279 [WM_ADSP_FW_MBC_VSS] = { .file = "mbc-vss" }, 280 [WM_ADSP_FW_HIFI] = { .file = "hifi" }, 281 [WM_ADSP_FW_TX] = { .file = "tx" }, 282 [WM_ADSP_FW_TX_SPK] = { .file = "tx-spk" }, 283 [WM_ADSP_FW_RX] = { .file = "rx" }, 284 [WM_ADSP_FW_RX_ANC] = { .file = "rx-anc" }, 285 [WM_ADSP_FW_CTRL] = { 286 .file = "ctrl", 287 .compr_direction = SND_COMPRESS_CAPTURE, 288 .num_caps = ARRAY_SIZE(ctrl_caps), 289 .caps = ctrl_caps, 290 .voice_trigger = true, 291 }, 292 [WM_ADSP_FW_ASR] = { .file = "asr" }, 293 [WM_ADSP_FW_TRACE] = { 294 .file = "trace", 295 .compr_direction = SND_COMPRESS_CAPTURE, 296 .num_caps = ARRAY_SIZE(trace_caps), 297 .caps = trace_caps, 298 }, 299 [WM_ADSP_FW_SPK_PROT] = { .file = "spk-prot" }, 300 [WM_ADSP_FW_SPK_CALI] = { .file = "spk-cali" }, 301 [WM_ADSP_FW_SPK_DIAG] = { .file = "spk-diag" }, 302 [WM_ADSP_FW_MISC] = { .file = "misc" }, 303 }; 304 305 struct wm_coeff_ctl { 306 const char *name; 307 struct cs_dsp_coeff_ctl *cs_ctl; 308 struct soc_bytes_ext bytes_ext; 309 struct work_struct work; 310 }; 311 312 int wm_adsp_fw_get(struct snd_kcontrol *kcontrol, 313 struct snd_ctl_elem_value *ucontrol) 314 { 315 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); 316 struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; 317 struct wm_adsp *dsp = snd_soc_component_get_drvdata(component); 318 319 ucontrol->value.enumerated.item[0] = dsp[e->shift_l].fw; 320 321 return 0; 322 } 323 EXPORT_SYMBOL_GPL(wm_adsp_fw_get); 324 325 int wm_adsp_fw_put(struct snd_kcontrol *kcontrol, 326 struct snd_ctl_elem_value *ucontrol) 327 { 328 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); 329 struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; 330 struct wm_adsp *dsp = snd_soc_component_get_drvdata(component); 331 int ret = 0; 332 333 if (ucontrol->value.enumerated.item[0] == dsp[e->shift_l].fw) 334 return 0; 335 336 if (ucontrol->value.enumerated.item[0] >= WM_ADSP_NUM_FW) 337 return -EINVAL; 338 339 mutex_lock(&dsp[e->shift_l].cs_dsp.pwr_lock); 340 341 if (dsp[e->shift_l].cs_dsp.booted || !list_empty(&dsp[e->shift_l].compr_list)) 342 ret = -EBUSY; 343 else 344 dsp[e->shift_l].fw = ucontrol->value.enumerated.item[0]; 345 346 mutex_unlock(&dsp[e->shift_l].cs_dsp.pwr_lock); 347 348 return ret; 349 } 350 EXPORT_SYMBOL_GPL(wm_adsp_fw_put); 351 352 const struct soc_enum wm_adsp_fw_enum[] = { 353 SOC_ENUM_SINGLE(0, 0, ARRAY_SIZE(wm_adsp_fw_text), wm_adsp_fw_text), 354 SOC_ENUM_SINGLE(0, 1, ARRAY_SIZE(wm_adsp_fw_text), wm_adsp_fw_text), 355 SOC_ENUM_SINGLE(0, 2, ARRAY_SIZE(wm_adsp_fw_text), wm_adsp_fw_text), 356 SOC_ENUM_SINGLE(0, 3, ARRAY_SIZE(wm_adsp_fw_text), wm_adsp_fw_text), 357 SOC_ENUM_SINGLE(0, 4, ARRAY_SIZE(wm_adsp_fw_text), wm_adsp_fw_text), 358 SOC_ENUM_SINGLE(0, 5, ARRAY_SIZE(wm_adsp_fw_text), wm_adsp_fw_text), 359 SOC_ENUM_SINGLE(0, 6, ARRAY_SIZE(wm_adsp_fw_text), wm_adsp_fw_text), 360 }; 361 EXPORT_SYMBOL_GPL(wm_adsp_fw_enum); 362 363 static inline struct wm_coeff_ctl *bytes_ext_to_ctl(struct soc_bytes_ext *ext) 364 { 365 return container_of(ext, struct wm_coeff_ctl, bytes_ext); 366 } 367 368 static int wm_coeff_info(struct snd_kcontrol *kctl, 369 struct snd_ctl_elem_info *uinfo) 370 { 371 struct soc_bytes_ext *bytes_ext = 372 (struct soc_bytes_ext *)kctl->private_value; 373 struct wm_coeff_ctl *ctl = bytes_ext_to_ctl(bytes_ext); 374 struct cs_dsp_coeff_ctl *cs_ctl = ctl->cs_ctl; 375 376 switch (cs_ctl->type) { 377 case WMFW_CTL_TYPE_ACKED: 378 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 379 uinfo->value.integer.min = CS_DSP_ACKED_CTL_MIN_VALUE; 380 uinfo->value.integer.max = CS_DSP_ACKED_CTL_MAX_VALUE; 381 uinfo->value.integer.step = 1; 382 uinfo->count = 1; 383 break; 384 default: 385 uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES; 386 uinfo->count = cs_ctl->len; 387 break; 388 } 389 390 return 0; 391 } 392 393 static int wm_coeff_put(struct snd_kcontrol *kctl, 394 struct snd_ctl_elem_value *ucontrol) 395 { 396 struct soc_bytes_ext *bytes_ext = 397 (struct soc_bytes_ext *)kctl->private_value; 398 struct wm_coeff_ctl *ctl = bytes_ext_to_ctl(bytes_ext); 399 struct cs_dsp_coeff_ctl *cs_ctl = ctl->cs_ctl; 400 char *p = ucontrol->value.bytes.data; 401 int ret = 0; 402 403 mutex_lock(&cs_ctl->dsp->pwr_lock); 404 ret = cs_dsp_coeff_write_ctrl(cs_ctl, 0, p, cs_ctl->len); 405 mutex_unlock(&cs_ctl->dsp->pwr_lock); 406 407 return ret; 408 } 409 410 static int wm_coeff_tlv_put(struct snd_kcontrol *kctl, 411 const unsigned int __user *bytes, unsigned int size) 412 { 413 struct soc_bytes_ext *bytes_ext = 414 (struct soc_bytes_ext *)kctl->private_value; 415 struct wm_coeff_ctl *ctl = bytes_ext_to_ctl(bytes_ext); 416 struct cs_dsp_coeff_ctl *cs_ctl = ctl->cs_ctl; 417 int ret = 0; 418 419 mutex_lock(&cs_ctl->dsp->pwr_lock); 420 421 if (copy_from_user(cs_ctl->cache, bytes, size)) 422 ret = -EFAULT; 423 else 424 ret = cs_dsp_coeff_write_ctrl(cs_ctl, 0, cs_ctl->cache, size); 425 426 mutex_unlock(&cs_ctl->dsp->pwr_lock); 427 428 return ret; 429 } 430 431 static int wm_coeff_put_acked(struct snd_kcontrol *kctl, 432 struct snd_ctl_elem_value *ucontrol) 433 { 434 struct soc_bytes_ext *bytes_ext = 435 (struct soc_bytes_ext *)kctl->private_value; 436 struct wm_coeff_ctl *ctl = bytes_ext_to_ctl(bytes_ext); 437 struct cs_dsp_coeff_ctl *cs_ctl = ctl->cs_ctl; 438 unsigned int val = ucontrol->value.integer.value[0]; 439 int ret; 440 441 if (val == 0) 442 return 0; /* 0 means no event */ 443 444 mutex_lock(&cs_ctl->dsp->pwr_lock); 445 446 if (cs_ctl->enabled) 447 ret = cs_dsp_coeff_write_acked_control(cs_ctl, val); 448 else 449 ret = -EPERM; 450 451 mutex_unlock(&cs_ctl->dsp->pwr_lock); 452 453 return ret; 454 } 455 456 static int wm_coeff_get(struct snd_kcontrol *kctl, 457 struct snd_ctl_elem_value *ucontrol) 458 { 459 struct soc_bytes_ext *bytes_ext = 460 (struct soc_bytes_ext *)kctl->private_value; 461 struct wm_coeff_ctl *ctl = bytes_ext_to_ctl(bytes_ext); 462 struct cs_dsp_coeff_ctl *cs_ctl = ctl->cs_ctl; 463 char *p = ucontrol->value.bytes.data; 464 int ret; 465 466 mutex_lock(&cs_ctl->dsp->pwr_lock); 467 ret = cs_dsp_coeff_read_ctrl(cs_ctl, 0, p, cs_ctl->len); 468 mutex_unlock(&cs_ctl->dsp->pwr_lock); 469 470 return ret; 471 } 472 473 static int wm_coeff_tlv_get(struct snd_kcontrol *kctl, 474 unsigned int __user *bytes, unsigned int size) 475 { 476 struct soc_bytes_ext *bytes_ext = 477 (struct soc_bytes_ext *)kctl->private_value; 478 struct wm_coeff_ctl *ctl = bytes_ext_to_ctl(bytes_ext); 479 struct cs_dsp_coeff_ctl *cs_ctl = ctl->cs_ctl; 480 int ret = 0; 481 482 mutex_lock(&cs_ctl->dsp->pwr_lock); 483 484 ret = cs_dsp_coeff_read_ctrl(cs_ctl, 0, cs_ctl->cache, size); 485 486 if (!ret && copy_to_user(bytes, cs_ctl->cache, size)) 487 ret = -EFAULT; 488 489 mutex_unlock(&cs_ctl->dsp->pwr_lock); 490 491 return ret; 492 } 493 494 static int wm_coeff_get_acked(struct snd_kcontrol *kcontrol, 495 struct snd_ctl_elem_value *ucontrol) 496 { 497 /* 498 * Although it's not useful to read an acked control, we must satisfy 499 * user-side assumptions that all controls are readable and that a 500 * write of the same value should be filtered out (it's valid to send 501 * the same event number again to the firmware). We therefore return 0, 502 * meaning "no event" so valid event numbers will always be a change 503 */ 504 ucontrol->value.integer.value[0] = 0; 505 506 return 0; 507 } 508 509 static unsigned int wmfw_convert_flags(unsigned int in, unsigned int len) 510 { 511 unsigned int out, rd, wr, vol; 512 513 if (len > ADSP_MAX_STD_CTRL_SIZE) { 514 rd = SNDRV_CTL_ELEM_ACCESS_TLV_READ; 515 wr = SNDRV_CTL_ELEM_ACCESS_TLV_WRITE; 516 vol = SNDRV_CTL_ELEM_ACCESS_VOLATILE; 517 518 out = SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK; 519 } else { 520 rd = SNDRV_CTL_ELEM_ACCESS_READ; 521 wr = SNDRV_CTL_ELEM_ACCESS_WRITE; 522 vol = SNDRV_CTL_ELEM_ACCESS_VOLATILE; 523 524 out = 0; 525 } 526 527 if (in) { 528 out |= rd; 529 if (in & WMFW_CTL_FLAG_WRITEABLE) 530 out |= wr; 531 if (in & WMFW_CTL_FLAG_VOLATILE) 532 out |= vol; 533 } else { 534 out |= rd | wr | vol; 535 } 536 537 return out; 538 } 539 540 static void wm_adsp_ctl_work(struct work_struct *work) 541 { 542 struct wm_coeff_ctl *ctl = container_of(work, 543 struct wm_coeff_ctl, 544 work); 545 struct cs_dsp_coeff_ctl *cs_ctl = ctl->cs_ctl; 546 struct wm_adsp *dsp = container_of(cs_ctl->dsp, 547 struct wm_adsp, 548 cs_dsp); 549 struct snd_kcontrol_new *kcontrol; 550 551 kcontrol = kzalloc(sizeof(*kcontrol), GFP_KERNEL); 552 if (!kcontrol) 553 return; 554 555 kcontrol->name = ctl->name; 556 kcontrol->info = wm_coeff_info; 557 kcontrol->iface = SNDRV_CTL_ELEM_IFACE_MIXER; 558 kcontrol->tlv.c = snd_soc_bytes_tlv_callback; 559 kcontrol->private_value = (unsigned long)&ctl->bytes_ext; 560 kcontrol->access = wmfw_convert_flags(cs_ctl->flags, cs_ctl->len); 561 562 switch (cs_ctl->type) { 563 case WMFW_CTL_TYPE_ACKED: 564 kcontrol->get = wm_coeff_get_acked; 565 kcontrol->put = wm_coeff_put_acked; 566 break; 567 default: 568 if (kcontrol->access & SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK) { 569 ctl->bytes_ext.max = cs_ctl->len; 570 ctl->bytes_ext.get = wm_coeff_tlv_get; 571 ctl->bytes_ext.put = wm_coeff_tlv_put; 572 } else { 573 kcontrol->get = wm_coeff_get; 574 kcontrol->put = wm_coeff_put; 575 } 576 break; 577 } 578 579 snd_soc_add_component_controls(dsp->component, kcontrol, 1); 580 581 kfree(kcontrol); 582 } 583 584 static int wm_adsp_control_add(struct cs_dsp_coeff_ctl *cs_ctl) 585 { 586 struct wm_adsp *dsp = container_of(cs_ctl->dsp, struct wm_adsp, cs_dsp); 587 struct cs_dsp *cs_dsp = &dsp->cs_dsp; 588 struct wm_coeff_ctl *ctl; 589 char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; 590 const char *region_name; 591 int ret; 592 593 if (cs_ctl->flags & WMFW_CTL_FLAG_SYS) 594 return 0; 595 596 region_name = cs_dsp_mem_region_name(cs_ctl->alg_region.type); 597 if (!region_name) { 598 adsp_err(dsp, "Unknown region type: %d\n", cs_ctl->alg_region.type); 599 return -EINVAL; 600 } 601 602 switch (cs_dsp->fw_ver) { 603 case 0: 604 case 1: 605 ret = scnprintf(name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN, 606 "%s %s %x", cs_dsp->name, region_name, 607 cs_ctl->alg_region.alg); 608 break; 609 case 2: 610 ret = scnprintf(name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN, 611 "%s%c %.12s %x", cs_dsp->name, *region_name, 612 wm_adsp_fw_text[dsp->fw], cs_ctl->alg_region.alg); 613 break; 614 default: 615 ret = scnprintf(name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN, 616 "%s %.12s %x", cs_dsp->name, 617 wm_adsp_fw_text[dsp->fw], cs_ctl->alg_region.alg); 618 break; 619 } 620 621 if (cs_ctl->subname) { 622 int avail = SNDRV_CTL_ELEM_ID_NAME_MAXLEN - ret - 2; 623 int skip = 0; 624 625 if (dsp->component->name_prefix) 626 avail -= strlen(dsp->component->name_prefix) + 1; 627 628 /* Truncate the subname from the start if it is too long */ 629 if (cs_ctl->subname_len > avail) 630 skip = cs_ctl->subname_len - avail; 631 632 snprintf(name + ret, SNDRV_CTL_ELEM_ID_NAME_MAXLEN - ret, 633 " %.*s", cs_ctl->subname_len - skip, cs_ctl->subname + skip); 634 } 635 636 ctl = kzalloc(sizeof(*ctl), GFP_KERNEL); 637 if (!ctl) 638 return -ENOMEM; 639 ctl->cs_ctl = cs_ctl; 640 641 ctl->name = kmemdup(name, strlen(name) + 1, GFP_KERNEL); 642 if (!ctl->name) { 643 ret = -ENOMEM; 644 goto err_ctl; 645 } 646 647 cs_ctl->priv = ctl; 648 649 INIT_WORK(&ctl->work, wm_adsp_ctl_work); 650 schedule_work(&ctl->work); 651 652 return 0; 653 654 err_ctl: 655 kfree(ctl); 656 657 return ret; 658 } 659 660 static void wm_adsp_control_remove(struct cs_dsp_coeff_ctl *cs_ctl) 661 { 662 struct wm_coeff_ctl *ctl = cs_ctl->priv; 663 664 cancel_work_sync(&ctl->work); 665 666 kfree(ctl->name); 667 kfree(ctl); 668 } 669 670 int wm_adsp_write_ctl(struct wm_adsp *dsp, const char *name, int type, 671 unsigned int alg, void *buf, size_t len) 672 { 673 struct cs_dsp_coeff_ctl *cs_ctl; 674 struct wm_coeff_ctl *ctl; 675 struct snd_kcontrol *kcontrol; 676 char ctl_name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; 677 int ret; 678 679 cs_ctl = cs_dsp_get_ctl(&dsp->cs_dsp, name, type, alg); 680 if (!cs_ctl) 681 return -EINVAL; 682 683 ctl = cs_ctl->priv; 684 685 if (len > cs_ctl->len) 686 return -EINVAL; 687 688 ret = cs_dsp_coeff_write_ctrl(cs_ctl, 0, buf, len); 689 if (ret) 690 return ret; 691 692 if (cs_ctl->flags & WMFW_CTL_FLAG_SYS) 693 return 0; 694 695 if (dsp->component->name_prefix) 696 snprintf(ctl_name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN, "%s %s", 697 dsp->component->name_prefix, ctl->name); 698 else 699 snprintf(ctl_name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN, "%s", 700 ctl->name); 701 702 kcontrol = snd_soc_card_get_kcontrol(dsp->component->card, ctl_name); 703 if (!kcontrol) { 704 adsp_err(dsp, "Can't find kcontrol %s\n", ctl_name); 705 return -EINVAL; 706 } 707 708 snd_ctl_notify(dsp->component->card->snd_card, 709 SNDRV_CTL_EVENT_MASK_VALUE, &kcontrol->id); 710 711 return 0; 712 } 713 EXPORT_SYMBOL_GPL(wm_adsp_write_ctl); 714 715 int wm_adsp_read_ctl(struct wm_adsp *dsp, const char *name, int type, 716 unsigned int alg, void *buf, size_t len) 717 { 718 struct cs_dsp_coeff_ctl *cs_ctl; 719 720 cs_ctl = cs_dsp_get_ctl(&dsp->cs_dsp, name, type, alg); 721 if (!cs_ctl) 722 return -EINVAL; 723 724 if (len > cs_ctl->len) 725 return -EINVAL; 726 727 return cs_dsp_coeff_read_ctrl(cs_ctl, 0, buf, len); 728 } 729 EXPORT_SYMBOL_GPL(wm_adsp_read_ctl); 730 731 static void wm_adsp_release_firmware_files(struct wm_adsp *dsp, 732 const struct firmware *wmfw_firmware, 733 char *wmfw_filename, 734 const struct firmware *coeff_firmware, 735 char *coeff_filename) 736 { 737 if (wmfw_firmware) 738 release_firmware(wmfw_firmware); 739 kfree(wmfw_filename); 740 741 if (coeff_firmware) 742 release_firmware(coeff_firmware); 743 kfree(coeff_filename); 744 } 745 746 static int wm_adsp_request_firmware_file(struct wm_adsp *dsp, 747 const struct firmware **firmware, 748 char **filename, 749 char *suffix) 750 { 751 struct cs_dsp *cs_dsp = &dsp->cs_dsp; 752 int ret = 0; 753 754 *filename = kasprintf(GFP_KERNEL, "%s-%s-%s.%s", dsp->part, dsp->fwf_name, 755 wm_adsp_fw[dsp->fw].file, suffix); 756 if (*filename == NULL) 757 return -ENOMEM; 758 759 ret = request_firmware(firmware, *filename, cs_dsp->dev); 760 if (ret != 0) { 761 adsp_err(dsp, "Failed to request '%s'\n", *filename); 762 kfree(*filename); 763 *filename = NULL; 764 } 765 766 return ret; 767 } 768 769 static int wm_adsp_request_firmware_files(struct wm_adsp *dsp, 770 const struct firmware **wmfw_firmware, 771 char **wmfw_filename, 772 const struct firmware **coeff_firmware, 773 char **coeff_filename) 774 { 775 int ret = 0; 776 777 ret = wm_adsp_request_firmware_file(dsp, wmfw_firmware, wmfw_filename, "wmfw"); 778 if (ret != 0) 779 return ret; 780 781 wm_adsp_request_firmware_file(dsp, coeff_firmware, coeff_filename, "bin"); 782 783 return 0; 784 } 785 786 static int wm_adsp_common_init(struct wm_adsp *dsp) 787 { 788 char *p; 789 790 INIT_LIST_HEAD(&dsp->compr_list); 791 INIT_LIST_HEAD(&dsp->buffer_list); 792 793 if (!dsp->fwf_name) { 794 p = devm_kstrdup(dsp->cs_dsp.dev, dsp->cs_dsp.name, GFP_KERNEL); 795 if (!p) 796 return -ENOMEM; 797 798 dsp->fwf_name = p; 799 for (; *p != 0; ++p) 800 *p = tolower(*p); 801 } 802 803 return 0; 804 } 805 806 int wm_adsp1_init(struct wm_adsp *dsp) 807 { 808 int ret; 809 810 dsp->cs_dsp.client_ops = &wm_adsp1_client_ops; 811 812 ret = cs_dsp_adsp1_init(&dsp->cs_dsp); 813 if (ret) 814 return ret; 815 816 return wm_adsp_common_init(dsp); 817 } 818 EXPORT_SYMBOL_GPL(wm_adsp1_init); 819 820 int wm_adsp1_event(struct snd_soc_dapm_widget *w, 821 struct snd_kcontrol *kcontrol, 822 int event) 823 { 824 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); 825 struct wm_adsp *dsps = snd_soc_component_get_drvdata(component); 826 struct wm_adsp *dsp = &dsps[w->shift]; 827 int ret = 0; 828 char *wmfw_filename = NULL; 829 const struct firmware *wmfw_firmware = NULL; 830 char *coeff_filename = NULL; 831 const struct firmware *coeff_firmware = NULL; 832 833 dsp->component = component; 834 835 switch (event) { 836 case SND_SOC_DAPM_POST_PMU: 837 ret = wm_adsp_request_firmware_files(dsp, 838 &wmfw_firmware, &wmfw_filename, 839 &coeff_firmware, &coeff_filename); 840 if (ret) 841 break; 842 843 ret = cs_dsp_adsp1_power_up(&dsp->cs_dsp, 844 wmfw_firmware, wmfw_filename, 845 coeff_firmware, coeff_filename, 846 wm_adsp_fw_text[dsp->fw]); 847 848 wm_adsp_release_firmware_files(dsp, 849 wmfw_firmware, wmfw_filename, 850 coeff_firmware, coeff_filename); 851 break; 852 case SND_SOC_DAPM_PRE_PMD: 853 cs_dsp_adsp1_power_down(&dsp->cs_dsp); 854 break; 855 default: 856 break; 857 } 858 859 return ret; 860 } 861 EXPORT_SYMBOL_GPL(wm_adsp1_event); 862 863 int wm_adsp2_set_dspclk(struct snd_soc_dapm_widget *w, unsigned int freq) 864 { 865 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); 866 struct wm_adsp *dsps = snd_soc_component_get_drvdata(component); 867 struct wm_adsp *dsp = &dsps[w->shift]; 868 869 return cs_dsp_set_dspclk(&dsp->cs_dsp, freq); 870 } 871 EXPORT_SYMBOL_GPL(wm_adsp2_set_dspclk); 872 873 int wm_adsp2_preloader_get(struct snd_kcontrol *kcontrol, 874 struct snd_ctl_elem_value *ucontrol) 875 { 876 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); 877 struct wm_adsp *dsps = snd_soc_component_get_drvdata(component); 878 struct soc_mixer_control *mc = 879 (struct soc_mixer_control *)kcontrol->private_value; 880 struct wm_adsp *dsp = &dsps[mc->shift - 1]; 881 882 ucontrol->value.integer.value[0] = dsp->preloaded; 883 884 return 0; 885 } 886 EXPORT_SYMBOL_GPL(wm_adsp2_preloader_get); 887 888 int wm_adsp2_preloader_put(struct snd_kcontrol *kcontrol, 889 struct snd_ctl_elem_value *ucontrol) 890 { 891 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); 892 struct wm_adsp *dsps = snd_soc_component_get_drvdata(component); 893 struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component); 894 struct soc_mixer_control *mc = 895 (struct soc_mixer_control *)kcontrol->private_value; 896 struct wm_adsp *dsp = &dsps[mc->shift - 1]; 897 char preload[32]; 898 899 snprintf(preload, ARRAY_SIZE(preload), "%s Preload", dsp->cs_dsp.name); 900 901 dsp->preloaded = ucontrol->value.integer.value[0]; 902 903 if (ucontrol->value.integer.value[0]) 904 snd_soc_component_force_enable_pin(component, preload); 905 else 906 snd_soc_component_disable_pin(component, preload); 907 908 snd_soc_dapm_sync(dapm); 909 910 flush_work(&dsp->boot_work); 911 912 return 0; 913 } 914 EXPORT_SYMBOL_GPL(wm_adsp2_preloader_put); 915 916 static void wm_adsp_boot_work(struct work_struct *work) 917 { 918 struct wm_adsp *dsp = container_of(work, 919 struct wm_adsp, 920 boot_work); 921 int ret = 0; 922 char *wmfw_filename = NULL; 923 const struct firmware *wmfw_firmware = NULL; 924 char *coeff_filename = NULL; 925 const struct firmware *coeff_firmware = NULL; 926 927 ret = wm_adsp_request_firmware_files(dsp, 928 &wmfw_firmware, &wmfw_filename, 929 &coeff_firmware, &coeff_filename); 930 if (ret) 931 return; 932 933 cs_dsp_power_up(&dsp->cs_dsp, 934 wmfw_firmware, wmfw_filename, 935 coeff_firmware, coeff_filename, 936 wm_adsp_fw_text[dsp->fw]); 937 938 wm_adsp_release_firmware_files(dsp, 939 wmfw_firmware, wmfw_filename, 940 coeff_firmware, coeff_filename); 941 } 942 943 int wm_adsp_early_event(struct snd_soc_dapm_widget *w, 944 struct snd_kcontrol *kcontrol, int event) 945 { 946 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); 947 struct wm_adsp *dsps = snd_soc_component_get_drvdata(component); 948 struct wm_adsp *dsp = &dsps[w->shift]; 949 950 switch (event) { 951 case SND_SOC_DAPM_PRE_PMU: 952 queue_work(system_unbound_wq, &dsp->boot_work); 953 break; 954 case SND_SOC_DAPM_PRE_PMD: 955 cs_dsp_power_down(&dsp->cs_dsp); 956 break; 957 default: 958 break; 959 } 960 961 return 0; 962 } 963 EXPORT_SYMBOL_GPL(wm_adsp_early_event); 964 965 static int wm_adsp_event_post_run(struct cs_dsp *cs_dsp) 966 { 967 struct wm_adsp *dsp = container_of(cs_dsp, struct wm_adsp, cs_dsp); 968 969 if (wm_adsp_fw[dsp->fw].num_caps != 0) 970 return wm_adsp_buffer_init(dsp); 971 972 return 0; 973 } 974 975 static void wm_adsp_event_post_stop(struct cs_dsp *cs_dsp) 976 { 977 struct wm_adsp *dsp = container_of(cs_dsp, struct wm_adsp, cs_dsp); 978 979 if (wm_adsp_fw[dsp->fw].num_caps != 0) 980 wm_adsp_buffer_free(dsp); 981 982 dsp->fatal_error = false; 983 } 984 985 int wm_adsp_event(struct snd_soc_dapm_widget *w, 986 struct snd_kcontrol *kcontrol, int event) 987 { 988 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); 989 struct wm_adsp *dsps = snd_soc_component_get_drvdata(component); 990 struct wm_adsp *dsp = &dsps[w->shift]; 991 int ret = 0; 992 993 switch (event) { 994 case SND_SOC_DAPM_POST_PMU: 995 flush_work(&dsp->boot_work); 996 ret = cs_dsp_run(&dsp->cs_dsp); 997 break; 998 case SND_SOC_DAPM_PRE_PMD: 999 cs_dsp_stop(&dsp->cs_dsp); 1000 break; 1001 default: 1002 break; 1003 } 1004 1005 return ret; 1006 } 1007 EXPORT_SYMBOL_GPL(wm_adsp_event); 1008 1009 int wm_adsp2_component_probe(struct wm_adsp *dsp, struct snd_soc_component *component) 1010 { 1011 char preload[32]; 1012 1013 snprintf(preload, ARRAY_SIZE(preload), "%s Preload", dsp->cs_dsp.name); 1014 snd_soc_component_disable_pin(component, preload); 1015 1016 cs_dsp_init_debugfs(&dsp->cs_dsp, component->debugfs_root); 1017 1018 dsp->component = component; 1019 1020 return 0; 1021 } 1022 EXPORT_SYMBOL_GPL(wm_adsp2_component_probe); 1023 1024 int wm_adsp2_component_remove(struct wm_adsp *dsp, struct snd_soc_component *component) 1025 { 1026 cs_dsp_cleanup_debugfs(&dsp->cs_dsp); 1027 1028 return 0; 1029 } 1030 EXPORT_SYMBOL_GPL(wm_adsp2_component_remove); 1031 1032 int wm_adsp2_init(struct wm_adsp *dsp) 1033 { 1034 int ret; 1035 1036 INIT_WORK(&dsp->boot_work, wm_adsp_boot_work); 1037 1038 dsp->sys_config_size = sizeof(struct wm_adsp_system_config_xm_hdr); 1039 dsp->cs_dsp.client_ops = &wm_adsp2_client_ops; 1040 1041 ret = cs_dsp_adsp2_init(&dsp->cs_dsp); 1042 if (ret) 1043 return ret; 1044 1045 return wm_adsp_common_init(dsp); 1046 } 1047 EXPORT_SYMBOL_GPL(wm_adsp2_init); 1048 1049 int wm_halo_init(struct wm_adsp *dsp) 1050 { 1051 int ret; 1052 1053 INIT_WORK(&dsp->boot_work, wm_adsp_boot_work); 1054 1055 dsp->sys_config_size = sizeof(struct wm_halo_system_config_xm_hdr); 1056 dsp->cs_dsp.client_ops = &wm_adsp2_client_ops; 1057 1058 ret = cs_dsp_halo_init(&dsp->cs_dsp); 1059 if (ret) 1060 return ret; 1061 1062 return wm_adsp_common_init(dsp); 1063 } 1064 EXPORT_SYMBOL_GPL(wm_halo_init); 1065 1066 void wm_adsp2_remove(struct wm_adsp *dsp) 1067 { 1068 cs_dsp_remove(&dsp->cs_dsp); 1069 } 1070 EXPORT_SYMBOL_GPL(wm_adsp2_remove); 1071 1072 static inline int wm_adsp_compr_attached(struct wm_adsp_compr *compr) 1073 { 1074 return compr->buf != NULL; 1075 } 1076 1077 static int wm_adsp_compr_attach(struct wm_adsp_compr *compr) 1078 { 1079 struct wm_adsp_compr_buf *buf = NULL, *tmp; 1080 1081 if (compr->dsp->fatal_error) 1082 return -EINVAL; 1083 1084 list_for_each_entry(tmp, &compr->dsp->buffer_list, list) { 1085 if (!tmp->name || !strcmp(compr->name, tmp->name)) { 1086 buf = tmp; 1087 break; 1088 } 1089 } 1090 1091 if (!buf) 1092 return -EINVAL; 1093 1094 compr->buf = buf; 1095 buf->compr = compr; 1096 1097 return 0; 1098 } 1099 1100 static void wm_adsp_compr_detach(struct wm_adsp_compr *compr) 1101 { 1102 if (!compr) 1103 return; 1104 1105 /* Wake the poll so it can see buffer is no longer attached */ 1106 if (compr->stream) 1107 snd_compr_fragment_elapsed(compr->stream); 1108 1109 if (wm_adsp_compr_attached(compr)) { 1110 compr->buf->compr = NULL; 1111 compr->buf = NULL; 1112 } 1113 } 1114 1115 int wm_adsp_compr_open(struct wm_adsp *dsp, struct snd_compr_stream *stream) 1116 { 1117 struct wm_adsp_compr *compr, *tmp; 1118 struct snd_soc_pcm_runtime *rtd = stream->private_data; 1119 int ret = 0; 1120 1121 mutex_lock(&dsp->cs_dsp.pwr_lock); 1122 1123 if (wm_adsp_fw[dsp->fw].num_caps == 0) { 1124 adsp_err(dsp, "%s: Firmware does not support compressed API\n", 1125 asoc_rtd_to_codec(rtd, 0)->name); 1126 ret = -ENXIO; 1127 goto out; 1128 } 1129 1130 if (wm_adsp_fw[dsp->fw].compr_direction != stream->direction) { 1131 adsp_err(dsp, "%s: Firmware does not support stream direction\n", 1132 asoc_rtd_to_codec(rtd, 0)->name); 1133 ret = -EINVAL; 1134 goto out; 1135 } 1136 1137 list_for_each_entry(tmp, &dsp->compr_list, list) { 1138 if (!strcmp(tmp->name, asoc_rtd_to_codec(rtd, 0)->name)) { 1139 adsp_err(dsp, "%s: Only a single stream supported per dai\n", 1140 asoc_rtd_to_codec(rtd, 0)->name); 1141 ret = -EBUSY; 1142 goto out; 1143 } 1144 } 1145 1146 compr = kzalloc(sizeof(*compr), GFP_KERNEL); 1147 if (!compr) { 1148 ret = -ENOMEM; 1149 goto out; 1150 } 1151 1152 compr->dsp = dsp; 1153 compr->stream = stream; 1154 compr->name = asoc_rtd_to_codec(rtd, 0)->name; 1155 1156 list_add_tail(&compr->list, &dsp->compr_list); 1157 1158 stream->runtime->private_data = compr; 1159 1160 out: 1161 mutex_unlock(&dsp->cs_dsp.pwr_lock); 1162 1163 return ret; 1164 } 1165 EXPORT_SYMBOL_GPL(wm_adsp_compr_open); 1166 1167 int wm_adsp_compr_free(struct snd_soc_component *component, 1168 struct snd_compr_stream *stream) 1169 { 1170 struct wm_adsp_compr *compr = stream->runtime->private_data; 1171 struct wm_adsp *dsp = compr->dsp; 1172 1173 mutex_lock(&dsp->cs_dsp.pwr_lock); 1174 1175 wm_adsp_compr_detach(compr); 1176 list_del(&compr->list); 1177 1178 kfree(compr->raw_buf); 1179 kfree(compr); 1180 1181 mutex_unlock(&dsp->cs_dsp.pwr_lock); 1182 1183 return 0; 1184 } 1185 EXPORT_SYMBOL_GPL(wm_adsp_compr_free); 1186 1187 static int wm_adsp_compr_check_params(struct snd_compr_stream *stream, 1188 struct snd_compr_params *params) 1189 { 1190 struct wm_adsp_compr *compr = stream->runtime->private_data; 1191 struct wm_adsp *dsp = compr->dsp; 1192 const struct wm_adsp_fw_caps *caps; 1193 const struct snd_codec_desc *desc; 1194 int i, j; 1195 1196 if (params->buffer.fragment_size < WM_ADSP_MIN_FRAGMENT_SIZE || 1197 params->buffer.fragment_size > WM_ADSP_MAX_FRAGMENT_SIZE || 1198 params->buffer.fragments < WM_ADSP_MIN_FRAGMENTS || 1199 params->buffer.fragments > WM_ADSP_MAX_FRAGMENTS || 1200 params->buffer.fragment_size % CS_DSP_DATA_WORD_SIZE) { 1201 compr_err(compr, "Invalid buffer fragsize=%d fragments=%d\n", 1202 params->buffer.fragment_size, 1203 params->buffer.fragments); 1204 1205 return -EINVAL; 1206 } 1207 1208 for (i = 0; i < wm_adsp_fw[dsp->fw].num_caps; i++) { 1209 caps = &wm_adsp_fw[dsp->fw].caps[i]; 1210 desc = &caps->desc; 1211 1212 if (caps->id != params->codec.id) 1213 continue; 1214 1215 if (stream->direction == SND_COMPRESS_PLAYBACK) { 1216 if (desc->max_ch < params->codec.ch_out) 1217 continue; 1218 } else { 1219 if (desc->max_ch < params->codec.ch_in) 1220 continue; 1221 } 1222 1223 if (!(desc->formats & (1 << params->codec.format))) 1224 continue; 1225 1226 for (j = 0; j < desc->num_sample_rates; ++j) 1227 if (desc->sample_rates[j] == params->codec.sample_rate) 1228 return 0; 1229 } 1230 1231 compr_err(compr, "Invalid params id=%u ch=%u,%u rate=%u fmt=%u\n", 1232 params->codec.id, params->codec.ch_in, params->codec.ch_out, 1233 params->codec.sample_rate, params->codec.format); 1234 return -EINVAL; 1235 } 1236 1237 static inline unsigned int wm_adsp_compr_frag_words(struct wm_adsp_compr *compr) 1238 { 1239 return compr->size.fragment_size / CS_DSP_DATA_WORD_SIZE; 1240 } 1241 1242 int wm_adsp_compr_set_params(struct snd_soc_component *component, 1243 struct snd_compr_stream *stream, 1244 struct snd_compr_params *params) 1245 { 1246 struct wm_adsp_compr *compr = stream->runtime->private_data; 1247 unsigned int size; 1248 int ret; 1249 1250 ret = wm_adsp_compr_check_params(stream, params); 1251 if (ret) 1252 return ret; 1253 1254 compr->size = params->buffer; 1255 1256 compr_dbg(compr, "fragment_size=%d fragments=%d\n", 1257 compr->size.fragment_size, compr->size.fragments); 1258 1259 size = wm_adsp_compr_frag_words(compr) * sizeof(*compr->raw_buf); 1260 compr->raw_buf = kmalloc(size, GFP_DMA | GFP_KERNEL); 1261 if (!compr->raw_buf) 1262 return -ENOMEM; 1263 1264 compr->sample_rate = params->codec.sample_rate; 1265 1266 return 0; 1267 } 1268 EXPORT_SYMBOL_GPL(wm_adsp_compr_set_params); 1269 1270 int wm_adsp_compr_get_caps(struct snd_soc_component *component, 1271 struct snd_compr_stream *stream, 1272 struct snd_compr_caps *caps) 1273 { 1274 struct wm_adsp_compr *compr = stream->runtime->private_data; 1275 int fw = compr->dsp->fw; 1276 int i; 1277 1278 if (wm_adsp_fw[fw].caps) { 1279 for (i = 0; i < wm_adsp_fw[fw].num_caps; i++) 1280 caps->codecs[i] = wm_adsp_fw[fw].caps[i].id; 1281 1282 caps->num_codecs = i; 1283 caps->direction = wm_adsp_fw[fw].compr_direction; 1284 1285 caps->min_fragment_size = WM_ADSP_MIN_FRAGMENT_SIZE; 1286 caps->max_fragment_size = WM_ADSP_MAX_FRAGMENT_SIZE; 1287 caps->min_fragments = WM_ADSP_MIN_FRAGMENTS; 1288 caps->max_fragments = WM_ADSP_MAX_FRAGMENTS; 1289 } 1290 1291 return 0; 1292 } 1293 EXPORT_SYMBOL_GPL(wm_adsp_compr_get_caps); 1294 1295 static inline int wm_adsp_buffer_read(struct wm_adsp_compr_buf *buf, 1296 unsigned int field_offset, u32 *data) 1297 { 1298 return cs_dsp_read_data_word(&buf->dsp->cs_dsp, buf->host_buf_mem_type, 1299 buf->host_buf_ptr + field_offset, data); 1300 } 1301 1302 static inline int wm_adsp_buffer_write(struct wm_adsp_compr_buf *buf, 1303 unsigned int field_offset, u32 data) 1304 { 1305 return cs_dsp_write_data_word(&buf->dsp->cs_dsp, buf->host_buf_mem_type, 1306 buf->host_buf_ptr + field_offset, 1307 data); 1308 } 1309 1310 static int wm_adsp_buffer_populate(struct wm_adsp_compr_buf *buf) 1311 { 1312 const struct wm_adsp_fw_caps *caps = wm_adsp_fw[buf->dsp->fw].caps; 1313 struct wm_adsp_buffer_region *region; 1314 u32 offset = 0; 1315 int i, ret; 1316 1317 buf->regions = kcalloc(caps->num_regions, sizeof(*buf->regions), 1318 GFP_KERNEL); 1319 if (!buf->regions) 1320 return -ENOMEM; 1321 1322 for (i = 0; i < caps->num_regions; ++i) { 1323 region = &buf->regions[i]; 1324 1325 region->offset = offset; 1326 region->mem_type = caps->region_defs[i].mem_type; 1327 1328 ret = wm_adsp_buffer_read(buf, caps->region_defs[i].base_offset, 1329 ®ion->base_addr); 1330 if (ret < 0) 1331 return ret; 1332 1333 ret = wm_adsp_buffer_read(buf, caps->region_defs[i].size_offset, 1334 &offset); 1335 if (ret < 0) 1336 return ret; 1337 1338 region->cumulative_size = offset; 1339 1340 compr_dbg(buf, 1341 "region=%d type=%d base=%08x off=%08x size=%08x\n", 1342 i, region->mem_type, region->base_addr, 1343 region->offset, region->cumulative_size); 1344 } 1345 1346 return 0; 1347 } 1348 1349 static void wm_adsp_buffer_clear(struct wm_adsp_compr_buf *buf) 1350 { 1351 buf->irq_count = 0xFFFFFFFF; 1352 buf->read_index = -1; 1353 buf->avail = 0; 1354 } 1355 1356 static struct wm_adsp_compr_buf *wm_adsp_buffer_alloc(struct wm_adsp *dsp) 1357 { 1358 struct wm_adsp_compr_buf *buf; 1359 1360 buf = kzalloc(sizeof(*buf), GFP_KERNEL); 1361 if (!buf) 1362 return NULL; 1363 1364 buf->dsp = dsp; 1365 1366 wm_adsp_buffer_clear(buf); 1367 1368 list_add_tail(&buf->list, &dsp->buffer_list); 1369 1370 return buf; 1371 } 1372 1373 static int wm_adsp_buffer_parse_legacy(struct wm_adsp *dsp) 1374 { 1375 struct cs_dsp_alg_region *alg_region; 1376 struct wm_adsp_compr_buf *buf; 1377 u32 xmalg, addr, magic; 1378 int i, ret; 1379 1380 alg_region = cs_dsp_find_alg_region(&dsp->cs_dsp, WMFW_ADSP2_XM, dsp->cs_dsp.fw_id); 1381 if (!alg_region) { 1382 adsp_err(dsp, "No algorithm region found\n"); 1383 return -EINVAL; 1384 } 1385 1386 buf = wm_adsp_buffer_alloc(dsp); 1387 if (!buf) 1388 return -ENOMEM; 1389 1390 xmalg = dsp->sys_config_size / sizeof(__be32); 1391 1392 addr = alg_region->base + xmalg + ALG_XM_FIELD(magic); 1393 ret = cs_dsp_read_data_word(&dsp->cs_dsp, WMFW_ADSP2_XM, addr, &magic); 1394 if (ret < 0) 1395 return ret; 1396 1397 if (magic != WM_ADSP_ALG_XM_STRUCT_MAGIC) 1398 return -ENODEV; 1399 1400 addr = alg_region->base + xmalg + ALG_XM_FIELD(host_buf_ptr); 1401 for (i = 0; i < 5; ++i) { 1402 ret = cs_dsp_read_data_word(&dsp->cs_dsp, WMFW_ADSP2_XM, addr, 1403 &buf->host_buf_ptr); 1404 if (ret < 0) 1405 return ret; 1406 1407 if (buf->host_buf_ptr) 1408 break; 1409 1410 usleep_range(1000, 2000); 1411 } 1412 1413 if (!buf->host_buf_ptr) 1414 return -EIO; 1415 1416 buf->host_buf_mem_type = WMFW_ADSP2_XM; 1417 1418 ret = wm_adsp_buffer_populate(buf); 1419 if (ret < 0) 1420 return ret; 1421 1422 compr_dbg(buf, "legacy host_buf_ptr=%x\n", buf->host_buf_ptr); 1423 1424 return 0; 1425 } 1426 1427 static int wm_adsp_buffer_parse_coeff(struct cs_dsp_coeff_ctl *cs_ctl) 1428 { 1429 struct wm_adsp_host_buf_coeff_v1 coeff_v1; 1430 struct wm_adsp_compr_buf *buf; 1431 struct wm_adsp *dsp = container_of(cs_ctl->dsp, struct wm_adsp, cs_dsp); 1432 unsigned int version; 1433 int ret, i; 1434 1435 for (i = 0; i < 5; ++i) { 1436 ret = cs_dsp_coeff_read_ctrl(cs_ctl, 0, &coeff_v1, sizeof(coeff_v1)); 1437 if (ret < 0) 1438 return ret; 1439 1440 if (coeff_v1.host_buf_ptr) 1441 break; 1442 1443 usleep_range(1000, 2000); 1444 } 1445 1446 if (!coeff_v1.host_buf_ptr) { 1447 adsp_err(dsp, "Failed to acquire host buffer\n"); 1448 return -EIO; 1449 } 1450 1451 buf = wm_adsp_buffer_alloc(dsp); 1452 if (!buf) 1453 return -ENOMEM; 1454 1455 buf->host_buf_mem_type = cs_ctl->alg_region.type; 1456 buf->host_buf_ptr = be32_to_cpu(coeff_v1.host_buf_ptr); 1457 1458 ret = wm_adsp_buffer_populate(buf); 1459 if (ret < 0) 1460 return ret; 1461 1462 /* 1463 * v0 host_buffer coefficients didn't have versioning, so if the 1464 * control is one word, assume version 0. 1465 */ 1466 if (cs_ctl->len == 4) { 1467 compr_dbg(buf, "host_buf_ptr=%x\n", buf->host_buf_ptr); 1468 return 0; 1469 } 1470 1471 version = be32_to_cpu(coeff_v1.versions) & HOST_BUF_COEFF_COMPAT_VER_MASK; 1472 version >>= HOST_BUF_COEFF_COMPAT_VER_SHIFT; 1473 1474 if (version > HOST_BUF_COEFF_SUPPORTED_COMPAT_VER) { 1475 adsp_err(dsp, 1476 "Host buffer coeff ver %u > supported version %u\n", 1477 version, HOST_BUF_COEFF_SUPPORTED_COMPAT_VER); 1478 return -EINVAL; 1479 } 1480 1481 cs_dsp_remove_padding((u32 *)&coeff_v1.name, ARRAY_SIZE(coeff_v1.name)); 1482 1483 buf->name = kasprintf(GFP_KERNEL, "%s-dsp-%s", dsp->part, 1484 (char *)&coeff_v1.name); 1485 1486 compr_dbg(buf, "host_buf_ptr=%x coeff version %u\n", 1487 buf->host_buf_ptr, version); 1488 1489 return version; 1490 } 1491 1492 static int wm_adsp_buffer_init(struct wm_adsp *dsp) 1493 { 1494 struct cs_dsp_coeff_ctl *cs_ctl; 1495 int ret; 1496 1497 list_for_each_entry(cs_ctl, &dsp->cs_dsp.ctl_list, list) { 1498 if (cs_ctl->type != WMFW_CTL_TYPE_HOST_BUFFER) 1499 continue; 1500 1501 if (!cs_ctl->enabled) 1502 continue; 1503 1504 ret = wm_adsp_buffer_parse_coeff(cs_ctl); 1505 if (ret < 0) { 1506 adsp_err(dsp, "Failed to parse coeff: %d\n", ret); 1507 goto error; 1508 } else if (ret == 0) { 1509 /* Only one buffer supported for version 0 */ 1510 return 0; 1511 } 1512 } 1513 1514 if (list_empty(&dsp->buffer_list)) { 1515 /* Fall back to legacy support */ 1516 ret = wm_adsp_buffer_parse_legacy(dsp); 1517 if (ret) { 1518 adsp_err(dsp, "Failed to parse legacy: %d\n", ret); 1519 goto error; 1520 } 1521 } 1522 1523 return 0; 1524 1525 error: 1526 wm_adsp_buffer_free(dsp); 1527 return ret; 1528 } 1529 1530 static int wm_adsp_buffer_free(struct wm_adsp *dsp) 1531 { 1532 struct wm_adsp_compr_buf *buf, *tmp; 1533 1534 list_for_each_entry_safe(buf, tmp, &dsp->buffer_list, list) { 1535 wm_adsp_compr_detach(buf->compr); 1536 1537 kfree(buf->name); 1538 kfree(buf->regions); 1539 list_del(&buf->list); 1540 kfree(buf); 1541 } 1542 1543 return 0; 1544 } 1545 1546 static int wm_adsp_buffer_get_error(struct wm_adsp_compr_buf *buf) 1547 { 1548 int ret; 1549 1550 ret = wm_adsp_buffer_read(buf, HOST_BUFFER_FIELD(error), &buf->error); 1551 if (ret < 0) { 1552 compr_err(buf, "Failed to check buffer error: %d\n", ret); 1553 return ret; 1554 } 1555 if (buf->error != 0) { 1556 compr_err(buf, "Buffer error occurred: %d\n", buf->error); 1557 return -EIO; 1558 } 1559 1560 return 0; 1561 } 1562 1563 int wm_adsp_compr_trigger(struct snd_soc_component *component, 1564 struct snd_compr_stream *stream, int cmd) 1565 { 1566 struct wm_adsp_compr *compr = stream->runtime->private_data; 1567 struct wm_adsp *dsp = compr->dsp; 1568 int ret = 0; 1569 1570 compr_dbg(compr, "Trigger: %d\n", cmd); 1571 1572 mutex_lock(&dsp->cs_dsp.pwr_lock); 1573 1574 switch (cmd) { 1575 case SNDRV_PCM_TRIGGER_START: 1576 if (!wm_adsp_compr_attached(compr)) { 1577 ret = wm_adsp_compr_attach(compr); 1578 if (ret < 0) { 1579 compr_err(compr, "Failed to link buffer and stream: %d\n", 1580 ret); 1581 break; 1582 } 1583 } 1584 1585 ret = wm_adsp_buffer_get_error(compr->buf); 1586 if (ret < 0) 1587 break; 1588 1589 /* Trigger the IRQ at one fragment of data */ 1590 ret = wm_adsp_buffer_write(compr->buf, 1591 HOST_BUFFER_FIELD(high_water_mark), 1592 wm_adsp_compr_frag_words(compr)); 1593 if (ret < 0) { 1594 compr_err(compr, "Failed to set high water mark: %d\n", 1595 ret); 1596 break; 1597 } 1598 break; 1599 case SNDRV_PCM_TRIGGER_STOP: 1600 if (wm_adsp_compr_attached(compr)) 1601 wm_adsp_buffer_clear(compr->buf); 1602 break; 1603 default: 1604 ret = -EINVAL; 1605 break; 1606 } 1607 1608 mutex_unlock(&dsp->cs_dsp.pwr_lock); 1609 1610 return ret; 1611 } 1612 EXPORT_SYMBOL_GPL(wm_adsp_compr_trigger); 1613 1614 static inline int wm_adsp_buffer_size(struct wm_adsp_compr_buf *buf) 1615 { 1616 int last_region = wm_adsp_fw[buf->dsp->fw].caps->num_regions - 1; 1617 1618 return buf->regions[last_region].cumulative_size; 1619 } 1620 1621 static int wm_adsp_buffer_update_avail(struct wm_adsp_compr_buf *buf) 1622 { 1623 u32 next_read_index, next_write_index; 1624 int write_index, read_index, avail; 1625 int ret; 1626 1627 /* Only sync read index if we haven't already read a valid index */ 1628 if (buf->read_index < 0) { 1629 ret = wm_adsp_buffer_read(buf, 1630 HOST_BUFFER_FIELD(next_read_index), 1631 &next_read_index); 1632 if (ret < 0) 1633 return ret; 1634 1635 read_index = sign_extend32(next_read_index, 23); 1636 1637 if (read_index < 0) { 1638 compr_dbg(buf, "Avail check on unstarted stream\n"); 1639 return 0; 1640 } 1641 1642 buf->read_index = read_index; 1643 } 1644 1645 ret = wm_adsp_buffer_read(buf, HOST_BUFFER_FIELD(next_write_index), 1646 &next_write_index); 1647 if (ret < 0) 1648 return ret; 1649 1650 write_index = sign_extend32(next_write_index, 23); 1651 1652 avail = write_index - buf->read_index; 1653 if (avail < 0) 1654 avail += wm_adsp_buffer_size(buf); 1655 1656 compr_dbg(buf, "readindex=0x%x, writeindex=0x%x, avail=%d\n", 1657 buf->read_index, write_index, avail * CS_DSP_DATA_WORD_SIZE); 1658 1659 buf->avail = avail; 1660 1661 return 0; 1662 } 1663 1664 int wm_adsp_compr_handle_irq(struct wm_adsp *dsp) 1665 { 1666 struct wm_adsp_compr_buf *buf; 1667 struct wm_adsp_compr *compr; 1668 int ret = 0; 1669 1670 mutex_lock(&dsp->cs_dsp.pwr_lock); 1671 1672 if (list_empty(&dsp->buffer_list)) { 1673 ret = -ENODEV; 1674 goto out; 1675 } 1676 1677 adsp_dbg(dsp, "Handling buffer IRQ\n"); 1678 1679 list_for_each_entry(buf, &dsp->buffer_list, list) { 1680 compr = buf->compr; 1681 1682 ret = wm_adsp_buffer_get_error(buf); 1683 if (ret < 0) 1684 goto out_notify; /* Wake poll to report error */ 1685 1686 ret = wm_adsp_buffer_read(buf, HOST_BUFFER_FIELD(irq_count), 1687 &buf->irq_count); 1688 if (ret < 0) { 1689 compr_err(buf, "Failed to get irq_count: %d\n", ret); 1690 goto out; 1691 } 1692 1693 ret = wm_adsp_buffer_update_avail(buf); 1694 if (ret < 0) { 1695 compr_err(buf, "Error reading avail: %d\n", ret); 1696 goto out; 1697 } 1698 1699 if (wm_adsp_fw[dsp->fw].voice_trigger && buf->irq_count == 2) 1700 ret = WM_ADSP_COMPR_VOICE_TRIGGER; 1701 1702 out_notify: 1703 if (compr && compr->stream) 1704 snd_compr_fragment_elapsed(compr->stream); 1705 } 1706 1707 out: 1708 mutex_unlock(&dsp->cs_dsp.pwr_lock); 1709 1710 return ret; 1711 } 1712 EXPORT_SYMBOL_GPL(wm_adsp_compr_handle_irq); 1713 1714 static int wm_adsp_buffer_reenable_irq(struct wm_adsp_compr_buf *buf) 1715 { 1716 if (buf->irq_count & 0x01) 1717 return 0; 1718 1719 compr_dbg(buf, "Enable IRQ(0x%x) for next fragment\n", buf->irq_count); 1720 1721 buf->irq_count |= 0x01; 1722 1723 return wm_adsp_buffer_write(buf, HOST_BUFFER_FIELD(irq_ack), 1724 buf->irq_count); 1725 } 1726 1727 int wm_adsp_compr_pointer(struct snd_soc_component *component, 1728 struct snd_compr_stream *stream, 1729 struct snd_compr_tstamp *tstamp) 1730 { 1731 struct wm_adsp_compr *compr = stream->runtime->private_data; 1732 struct wm_adsp *dsp = compr->dsp; 1733 struct wm_adsp_compr_buf *buf; 1734 int ret = 0; 1735 1736 compr_dbg(compr, "Pointer request\n"); 1737 1738 mutex_lock(&dsp->cs_dsp.pwr_lock); 1739 1740 buf = compr->buf; 1741 1742 if (dsp->fatal_error || !buf || buf->error) { 1743 snd_compr_stop_error(stream, SNDRV_PCM_STATE_XRUN); 1744 ret = -EIO; 1745 goto out; 1746 } 1747 1748 if (buf->avail < wm_adsp_compr_frag_words(compr)) { 1749 ret = wm_adsp_buffer_update_avail(buf); 1750 if (ret < 0) { 1751 compr_err(compr, "Error reading avail: %d\n", ret); 1752 goto out; 1753 } 1754 1755 /* 1756 * If we really have less than 1 fragment available tell the 1757 * DSP to inform us once a whole fragment is available. 1758 */ 1759 if (buf->avail < wm_adsp_compr_frag_words(compr)) { 1760 ret = wm_adsp_buffer_get_error(buf); 1761 if (ret < 0) { 1762 if (buf->error) 1763 snd_compr_stop_error(stream, 1764 SNDRV_PCM_STATE_XRUN); 1765 goto out; 1766 } 1767 1768 ret = wm_adsp_buffer_reenable_irq(buf); 1769 if (ret < 0) { 1770 compr_err(compr, "Failed to re-enable buffer IRQ: %d\n", 1771 ret); 1772 goto out; 1773 } 1774 } 1775 } 1776 1777 tstamp->copied_total = compr->copied_total; 1778 tstamp->copied_total += buf->avail * CS_DSP_DATA_WORD_SIZE; 1779 tstamp->sampling_rate = compr->sample_rate; 1780 1781 out: 1782 mutex_unlock(&dsp->cs_dsp.pwr_lock); 1783 1784 return ret; 1785 } 1786 EXPORT_SYMBOL_GPL(wm_adsp_compr_pointer); 1787 1788 static int wm_adsp_buffer_capture_block(struct wm_adsp_compr *compr, int target) 1789 { 1790 struct wm_adsp_compr_buf *buf = compr->buf; 1791 unsigned int adsp_addr; 1792 int mem_type, nwords, max_read; 1793 int i, ret; 1794 1795 /* Calculate read parameters */ 1796 for (i = 0; i < wm_adsp_fw[buf->dsp->fw].caps->num_regions; ++i) 1797 if (buf->read_index < buf->regions[i].cumulative_size) 1798 break; 1799 1800 if (i == wm_adsp_fw[buf->dsp->fw].caps->num_regions) 1801 return -EINVAL; 1802 1803 mem_type = buf->regions[i].mem_type; 1804 adsp_addr = buf->regions[i].base_addr + 1805 (buf->read_index - buf->regions[i].offset); 1806 1807 max_read = wm_adsp_compr_frag_words(compr); 1808 nwords = buf->regions[i].cumulative_size - buf->read_index; 1809 1810 if (nwords > target) 1811 nwords = target; 1812 if (nwords > buf->avail) 1813 nwords = buf->avail; 1814 if (nwords > max_read) 1815 nwords = max_read; 1816 if (!nwords) 1817 return 0; 1818 1819 /* Read data from DSP */ 1820 ret = cs_dsp_read_raw_data_block(&buf->dsp->cs_dsp, mem_type, adsp_addr, 1821 nwords, (__be32 *)compr->raw_buf); 1822 if (ret < 0) 1823 return ret; 1824 1825 cs_dsp_remove_padding(compr->raw_buf, nwords); 1826 1827 /* update read index to account for words read */ 1828 buf->read_index += nwords; 1829 if (buf->read_index == wm_adsp_buffer_size(buf)) 1830 buf->read_index = 0; 1831 1832 ret = wm_adsp_buffer_write(buf, HOST_BUFFER_FIELD(next_read_index), 1833 buf->read_index); 1834 if (ret < 0) 1835 return ret; 1836 1837 /* update avail to account for words read */ 1838 buf->avail -= nwords; 1839 1840 return nwords; 1841 } 1842 1843 static int wm_adsp_compr_read(struct wm_adsp_compr *compr, 1844 char __user *buf, size_t count) 1845 { 1846 struct wm_adsp *dsp = compr->dsp; 1847 int ntotal = 0; 1848 int nwords, nbytes; 1849 1850 compr_dbg(compr, "Requested read of %zu bytes\n", count); 1851 1852 if (dsp->fatal_error || !compr->buf || compr->buf->error) { 1853 snd_compr_stop_error(compr->stream, SNDRV_PCM_STATE_XRUN); 1854 return -EIO; 1855 } 1856 1857 count /= CS_DSP_DATA_WORD_SIZE; 1858 1859 do { 1860 nwords = wm_adsp_buffer_capture_block(compr, count); 1861 if (nwords < 0) { 1862 compr_err(compr, "Failed to capture block: %d\n", 1863 nwords); 1864 return nwords; 1865 } 1866 1867 nbytes = nwords * CS_DSP_DATA_WORD_SIZE; 1868 1869 compr_dbg(compr, "Read %d bytes\n", nbytes); 1870 1871 if (copy_to_user(buf + ntotal, compr->raw_buf, nbytes)) { 1872 compr_err(compr, "Failed to copy data to user: %d, %d\n", 1873 ntotal, nbytes); 1874 return -EFAULT; 1875 } 1876 1877 count -= nwords; 1878 ntotal += nbytes; 1879 } while (nwords > 0 && count > 0); 1880 1881 compr->copied_total += ntotal; 1882 1883 return ntotal; 1884 } 1885 1886 int wm_adsp_compr_copy(struct snd_soc_component *component, 1887 struct snd_compr_stream *stream, char __user *buf, 1888 size_t count) 1889 { 1890 struct wm_adsp_compr *compr = stream->runtime->private_data; 1891 struct wm_adsp *dsp = compr->dsp; 1892 int ret; 1893 1894 mutex_lock(&dsp->cs_dsp.pwr_lock); 1895 1896 if (stream->direction == SND_COMPRESS_CAPTURE) 1897 ret = wm_adsp_compr_read(compr, buf, count); 1898 else 1899 ret = -ENOTSUPP; 1900 1901 mutex_unlock(&dsp->cs_dsp.pwr_lock); 1902 1903 return ret; 1904 } 1905 EXPORT_SYMBOL_GPL(wm_adsp_compr_copy); 1906 1907 static void wm_adsp_fatal_error(struct cs_dsp *cs_dsp) 1908 { 1909 struct wm_adsp *dsp = container_of(cs_dsp, struct wm_adsp, cs_dsp); 1910 struct wm_adsp_compr *compr; 1911 1912 dsp->fatal_error = true; 1913 1914 list_for_each_entry(compr, &dsp->compr_list, list) { 1915 if (compr->stream) 1916 snd_compr_fragment_elapsed(compr->stream); 1917 } 1918 } 1919 1920 irqreturn_t wm_adsp2_bus_error(int irq, void *data) 1921 { 1922 struct wm_adsp *dsp = (struct wm_adsp *)data; 1923 1924 cs_dsp_adsp2_bus_error(&dsp->cs_dsp); 1925 1926 return IRQ_HANDLED; 1927 } 1928 EXPORT_SYMBOL_GPL(wm_adsp2_bus_error); 1929 1930 irqreturn_t wm_halo_bus_error(int irq, void *data) 1931 { 1932 struct wm_adsp *dsp = (struct wm_adsp *)data; 1933 1934 cs_dsp_halo_bus_error(&dsp->cs_dsp); 1935 1936 return IRQ_HANDLED; 1937 } 1938 EXPORT_SYMBOL_GPL(wm_halo_bus_error); 1939 1940 irqreturn_t wm_halo_wdt_expire(int irq, void *data) 1941 { 1942 struct wm_adsp *dsp = data; 1943 1944 cs_dsp_halo_wdt_expire(&dsp->cs_dsp); 1945 1946 return IRQ_HANDLED; 1947 } 1948 EXPORT_SYMBOL_GPL(wm_halo_wdt_expire); 1949 1950 static const struct cs_dsp_client_ops wm_adsp1_client_ops = { 1951 .control_add = wm_adsp_control_add, 1952 .control_remove = wm_adsp_control_remove, 1953 }; 1954 1955 static const struct cs_dsp_client_ops wm_adsp2_client_ops = { 1956 .control_add = wm_adsp_control_add, 1957 .control_remove = wm_adsp_control_remove, 1958 .post_run = wm_adsp_event_post_run, 1959 .post_stop = wm_adsp_event_post_stop, 1960 .watchdog_expired = wm_adsp_fatal_error, 1961 }; 1962 1963 MODULE_LICENSE("GPL v2"); 1964