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 <kunit/static_stub.h> 11 #include <kunit/visibility.h> 12 #include <linux/array_size.h> 13 #include <linux/cleanup.h> 14 #include <linux/ctype.h> 15 #include <linux/module.h> 16 #include <linux/moduleparam.h> 17 #include <linux/init.h> 18 #include <linux/delay.h> 19 #include <linux/firmware.h> 20 #include <linux/list.h> 21 #include <linux/pm.h> 22 #include <linux/regmap.h> 23 #include <linux/regulator/consumer.h> 24 #include <linux/slab.h> 25 #include <linux/string.h> 26 #include <linux/workqueue.h> 27 #include <linux/debugfs.h> 28 #include <sound/core.h> 29 #include <sound/pcm.h> 30 #include <sound/pcm_params.h> 31 #include <sound/soc.h> 32 #include <sound/jack.h> 33 #include <sound/initval.h> 34 #include <sound/tlv.h> 35 36 #include "wm_adsp.h" 37 38 #define adsp_crit(_dsp, fmt, ...) \ 39 dev_crit(_dsp->cs_dsp.dev, "%s: " fmt, _dsp->cs_dsp.name, ##__VA_ARGS__) 40 #define adsp_err(_dsp, fmt, ...) \ 41 dev_err(_dsp->cs_dsp.dev, "%s: " fmt, _dsp->cs_dsp.name, ##__VA_ARGS__) 42 #define adsp_warn(_dsp, fmt, ...) \ 43 dev_warn(_dsp->cs_dsp.dev, "%s: " fmt, _dsp->cs_dsp.name, ##__VA_ARGS__) 44 #define adsp_info(_dsp, fmt, ...) \ 45 dev_info(_dsp->cs_dsp.dev, "%s: " fmt, _dsp->cs_dsp.name, ##__VA_ARGS__) 46 #define adsp_dbg(_dsp, fmt, ...) \ 47 dev_dbg(_dsp->cs_dsp.dev, "%s: " fmt, _dsp->cs_dsp.name, ##__VA_ARGS__) 48 49 #define compr_err(_obj, fmt, ...) \ 50 adsp_err(_obj->dsp, "%s: " fmt, _obj->name ? _obj->name : "legacy", \ 51 ##__VA_ARGS__) 52 #define compr_dbg(_obj, fmt, ...) \ 53 adsp_dbg(_obj->dsp, "%s: " fmt, _obj->name ? _obj->name : "legacy", \ 54 ##__VA_ARGS__) 55 56 #define ADSP_MAX_STD_CTRL_SIZE 512 57 58 static const struct cs_dsp_client_ops wm_adsp1_client_ops; 59 static const struct cs_dsp_client_ops wm_adsp2_client_ops; 60 61 #define WM_ADSP_FW_MBC_VSS 0 62 #define WM_ADSP_FW_HIFI 1 63 #define WM_ADSP_FW_TX 2 64 #define WM_ADSP_FW_TX_SPK 3 65 #define WM_ADSP_FW_RX 4 66 #define WM_ADSP_FW_RX_ANC 5 67 #define WM_ADSP_FW_CTRL 6 68 #define WM_ADSP_FW_ASR 7 69 #define WM_ADSP_FW_TRACE 8 70 #define WM_ADSP_FW_SPK_PROT 9 71 #define WM_ADSP_FW_SPK_CALI 10 72 #define WM_ADSP_FW_SPK_DIAG 11 73 #define WM_ADSP_FW_MISC 12 74 75 #define WM_ADSP_NUM_FW 13 76 77 static const char * const wm_adsp_fw_text[WM_ADSP_NUM_FW] = { 78 [WM_ADSP_FW_MBC_VSS] = "MBC/VSS", 79 [WM_ADSP_FW_HIFI] = "MasterHiFi", 80 [WM_ADSP_FW_TX] = "Tx", 81 [WM_ADSP_FW_TX_SPK] = "Tx Speaker", 82 [WM_ADSP_FW_RX] = "Rx", 83 [WM_ADSP_FW_RX_ANC] = "Rx ANC", 84 [WM_ADSP_FW_CTRL] = "Voice Ctrl", 85 [WM_ADSP_FW_ASR] = "ASR Assist", 86 [WM_ADSP_FW_TRACE] = "Dbg Trace", 87 [WM_ADSP_FW_SPK_PROT] = "Protection", 88 [WM_ADSP_FW_SPK_CALI] = "Calibration", 89 [WM_ADSP_FW_SPK_DIAG] = "Diagnostic", 90 [WM_ADSP_FW_MISC] = "Misc", 91 }; 92 93 struct wm_adsp_system_config_xm_hdr { 94 __be32 sys_enable; 95 __be32 fw_id; 96 __be32 fw_rev; 97 __be32 boot_status; 98 __be32 watchdog; 99 __be32 dma_buffer_size; 100 __be32 rdma[6]; 101 __be32 wdma[8]; 102 __be32 build_job_name[3]; 103 __be32 build_job_number; 104 } __packed; 105 106 struct wm_halo_system_config_xm_hdr { 107 __be32 halo_heartbeat; 108 __be32 build_job_name[3]; 109 __be32 build_job_number; 110 } __packed; 111 112 struct wm_adsp_alg_xm_struct { 113 __be32 magic; 114 __be32 smoothing; 115 __be32 threshold; 116 __be32 host_buf_ptr; 117 __be32 start_seq; 118 __be32 high_water_mark; 119 __be32 low_water_mark; 120 __be64 smoothed_power; 121 } __packed; 122 123 struct wm_adsp_host_buf_coeff_v1 { 124 __be32 host_buf_ptr; /* Host buffer pointer */ 125 __be32 versions; /* Version numbers */ 126 __be32 name[4]; /* The buffer name */ 127 } __packed; 128 129 struct wm_adsp_buffer { 130 __be32 buf1_base; /* Base addr of first buffer area */ 131 __be32 buf1_size; /* Size of buf1 area in DSP words */ 132 __be32 buf2_base; /* Base addr of 2nd buffer area */ 133 __be32 buf1_buf2_size; /* Size of buf1+buf2 in DSP words */ 134 __be32 buf3_base; /* Base addr of buf3 area */ 135 __be32 buf_total_size; /* Size of buf1+buf2+buf3 in DSP words */ 136 __be32 high_water_mark; /* Point at which IRQ is asserted */ 137 __be32 irq_count; /* bits 1-31 count IRQ assertions */ 138 __be32 irq_ack; /* acked IRQ count, bit 0 enables IRQ */ 139 __be32 next_write_index; /* word index of next write */ 140 __be32 next_read_index; /* word index of next read */ 141 __be32 error; /* error if any */ 142 __be32 oldest_block_index; /* word index of oldest surviving */ 143 __be32 requested_rewind; /* how many blocks rewind was done */ 144 __be32 reserved_space; /* internal */ 145 __be32 min_free; /* min free space since stream start */ 146 __be32 blocks_written[2]; /* total blocks written (64 bit) */ 147 __be32 words_written[2]; /* total words written (64 bit) */ 148 } __packed; 149 150 struct wm_adsp_compr; 151 152 struct wm_adsp_compr_buf { 153 struct list_head list; 154 struct wm_adsp *dsp; 155 struct wm_adsp_compr *compr; 156 157 struct wm_adsp_buffer_region *regions; 158 u32 host_buf_ptr; 159 160 u32 error; 161 u32 irq_count; 162 int read_index; 163 int avail; 164 int host_buf_mem_type; 165 166 char *name; 167 }; 168 169 struct wm_adsp_compr { 170 struct list_head list; 171 struct wm_adsp *dsp; 172 struct wm_adsp_compr_buf *buf; 173 174 struct snd_compr_stream *stream; 175 struct snd_compressed_buffer size; 176 177 u32 *raw_buf; 178 u64 copied_total; 179 180 unsigned int sample_rate; 181 182 const char *name; 183 }; 184 185 #define WM_ADSP_MIN_FRAGMENTS 1 186 #define WM_ADSP_MAX_FRAGMENTS 256 187 #define WM_ADSP_MIN_FRAGMENT_SIZE (16 * CS_DSP_DATA_WORD_SIZE) 188 #define WM_ADSP_MAX_FRAGMENT_SIZE (4096 * CS_DSP_DATA_WORD_SIZE) 189 190 #define WM_ADSP_ALG_XM_STRUCT_MAGIC 0x49aec7 191 192 #define HOST_BUFFER_FIELD(field) \ 193 (offsetof(struct wm_adsp_buffer, field) / sizeof(__be32)) 194 195 #define ALG_XM_FIELD(field) \ 196 (offsetof(struct wm_adsp_alg_xm_struct, field) / sizeof(__be32)) 197 198 #define HOST_BUF_COEFF_SUPPORTED_COMPAT_VER 1 199 200 #define HOST_BUF_COEFF_COMPAT_VER_MASK 0xFF00 201 #define HOST_BUF_COEFF_COMPAT_VER_SHIFT 8 202 203 static int wm_adsp_buffer_init(struct wm_adsp *dsp); 204 static int wm_adsp_buffer_free(struct wm_adsp *dsp); 205 206 struct wm_adsp_buffer_region { 207 unsigned int offset; 208 unsigned int cumulative_size; 209 unsigned int mem_type; 210 unsigned int base_addr; 211 }; 212 213 struct wm_adsp_buffer_region_def { 214 unsigned int mem_type; 215 unsigned int base_offset; 216 unsigned int size_offset; 217 }; 218 219 static const struct wm_adsp_buffer_region_def default_regions[] = { 220 { 221 .mem_type = WMFW_ADSP2_XM, 222 .base_offset = HOST_BUFFER_FIELD(buf1_base), 223 .size_offset = HOST_BUFFER_FIELD(buf1_size), 224 }, 225 { 226 .mem_type = WMFW_ADSP2_XM, 227 .base_offset = HOST_BUFFER_FIELD(buf2_base), 228 .size_offset = HOST_BUFFER_FIELD(buf1_buf2_size), 229 }, 230 { 231 .mem_type = WMFW_ADSP2_YM, 232 .base_offset = HOST_BUFFER_FIELD(buf3_base), 233 .size_offset = HOST_BUFFER_FIELD(buf_total_size), 234 }, 235 }; 236 237 struct wm_adsp_fw_caps { 238 u32 id; 239 struct snd_codec_desc desc; 240 int num_regions; 241 const struct wm_adsp_buffer_region_def *region_defs; 242 }; 243 244 static const struct wm_adsp_fw_caps ctrl_caps[] = { 245 { 246 .id = SND_AUDIOCODEC_BESPOKE, 247 .desc = { 248 .max_ch = 8, 249 .sample_rates = { 16000 }, 250 .num_sample_rates = 1, 251 .formats = SNDRV_PCM_FMTBIT_S16_LE, 252 }, 253 .num_regions = ARRAY_SIZE(default_regions), 254 .region_defs = default_regions, 255 }, 256 }; 257 258 static const struct wm_adsp_fw_caps trace_caps[] = { 259 { 260 .id = SND_AUDIOCODEC_BESPOKE, 261 .desc = { 262 .max_ch = 8, 263 .sample_rates = { 264 4000, 8000, 11025, 12000, 16000, 22050, 265 24000, 32000, 44100, 48000, 64000, 88200, 266 96000, 176400, 192000 267 }, 268 .num_sample_rates = 15, 269 .formats = SNDRV_PCM_FMTBIT_S16_LE, 270 }, 271 .num_regions = ARRAY_SIZE(default_regions), 272 .region_defs = default_regions, 273 }, 274 }; 275 276 static const struct { 277 const char *file; 278 int compr_direction; 279 int num_caps; 280 const struct wm_adsp_fw_caps *caps; 281 bool voice_trigger; 282 } wm_adsp_fw[WM_ADSP_NUM_FW] = { 283 [WM_ADSP_FW_MBC_VSS] = { .file = "mbc-vss" }, 284 [WM_ADSP_FW_HIFI] = { .file = "hifi" }, 285 [WM_ADSP_FW_TX] = { .file = "tx" }, 286 [WM_ADSP_FW_TX_SPK] = { .file = "tx-spk" }, 287 [WM_ADSP_FW_RX] = { .file = "rx" }, 288 [WM_ADSP_FW_RX_ANC] = { .file = "rx-anc" }, 289 [WM_ADSP_FW_CTRL] = { 290 .file = "ctrl", 291 .compr_direction = SND_COMPRESS_CAPTURE, 292 .num_caps = ARRAY_SIZE(ctrl_caps), 293 .caps = ctrl_caps, 294 .voice_trigger = true, 295 }, 296 [WM_ADSP_FW_ASR] = { .file = "asr" }, 297 [WM_ADSP_FW_TRACE] = { 298 .file = "trace", 299 .compr_direction = SND_COMPRESS_CAPTURE, 300 .num_caps = ARRAY_SIZE(trace_caps), 301 .caps = trace_caps, 302 }, 303 [WM_ADSP_FW_SPK_PROT] = { 304 .file = "spk-prot", 305 .compr_direction = SND_COMPRESS_CAPTURE, 306 .num_caps = ARRAY_SIZE(trace_caps), 307 .caps = trace_caps, 308 }, 309 [WM_ADSP_FW_SPK_CALI] = { .file = "spk-cali" }, 310 [WM_ADSP_FW_SPK_DIAG] = { .file = "spk-diag" }, 311 [WM_ADSP_FW_MISC] = { .file = "misc" }, 312 }; 313 314 struct wm_coeff_ctl { 315 const char *name; 316 struct cs_dsp_coeff_ctl *cs_ctl; 317 struct soc_bytes_ext bytes_ext; 318 struct work_struct work; 319 }; 320 321 #if IS_ENABLED(CONFIG_KUNIT) 322 const char *wm_adsp_get_fwf_name_by_index(int index) 323 { 324 if (index < ARRAY_SIZE(wm_adsp_fw)) 325 return wm_adsp_fw[index].file; 326 327 return NULL; 328 } 329 EXPORT_SYMBOL_IF_KUNIT(wm_adsp_get_fwf_name_by_index); 330 #endif 331 332 int wm_adsp_fw_get(struct snd_kcontrol *kcontrol, 333 struct snd_ctl_elem_value *ucontrol) 334 { 335 struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); 336 struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; 337 struct wm_adsp *dsp = snd_soc_component_get_drvdata(component); 338 339 ucontrol->value.enumerated.item[0] = dsp[e->shift_l].fw; 340 341 return 0; 342 } 343 EXPORT_SYMBOL_GPL(wm_adsp_fw_get); 344 345 int wm_adsp_fw_put(struct snd_kcontrol *kcontrol, 346 struct snd_ctl_elem_value *ucontrol) 347 { 348 struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); 349 struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; 350 struct wm_adsp *dsp = snd_soc_component_get_drvdata(component); 351 352 if (ucontrol->value.enumerated.item[0] == dsp[e->shift_l].fw) 353 return 0; 354 355 if (ucontrol->value.enumerated.item[0] >= WM_ADSP_NUM_FW) 356 return -EINVAL; 357 358 guard(mutex)(&dsp[e->shift_l].cs_dsp.pwr_lock); 359 360 if (dsp[e->shift_l].cs_dsp.booted || !list_empty(&dsp[e->shift_l].compr_list)) 361 return -EBUSY; 362 else 363 dsp[e->shift_l].fw = ucontrol->value.enumerated.item[0]; 364 365 return 1; 366 } 367 EXPORT_SYMBOL_GPL(wm_adsp_fw_put); 368 369 const struct soc_enum wm_adsp_fw_enum[] = { 370 SOC_ENUM_SINGLE(0, 0, ARRAY_SIZE(wm_adsp_fw_text), wm_adsp_fw_text), 371 SOC_ENUM_SINGLE(0, 1, ARRAY_SIZE(wm_adsp_fw_text), wm_adsp_fw_text), 372 SOC_ENUM_SINGLE(0, 2, ARRAY_SIZE(wm_adsp_fw_text), wm_adsp_fw_text), 373 SOC_ENUM_SINGLE(0, 3, ARRAY_SIZE(wm_adsp_fw_text), wm_adsp_fw_text), 374 SOC_ENUM_SINGLE(0, 4, ARRAY_SIZE(wm_adsp_fw_text), wm_adsp_fw_text), 375 SOC_ENUM_SINGLE(0, 5, ARRAY_SIZE(wm_adsp_fw_text), wm_adsp_fw_text), 376 SOC_ENUM_SINGLE(0, 6, ARRAY_SIZE(wm_adsp_fw_text), wm_adsp_fw_text), 377 }; 378 EXPORT_SYMBOL_GPL(wm_adsp_fw_enum); 379 380 static inline struct wm_coeff_ctl *bytes_ext_to_ctl(struct soc_bytes_ext *ext) 381 { 382 return container_of(ext, struct wm_coeff_ctl, bytes_ext); 383 } 384 385 static int wm_coeff_info(struct snd_kcontrol *kctl, 386 struct snd_ctl_elem_info *uinfo) 387 { 388 struct soc_bytes_ext *bytes_ext = 389 (struct soc_bytes_ext *)kctl->private_value; 390 struct wm_coeff_ctl *ctl = bytes_ext_to_ctl(bytes_ext); 391 struct cs_dsp_coeff_ctl *cs_ctl = ctl->cs_ctl; 392 393 switch (cs_ctl->type) { 394 case WMFW_CTL_TYPE_ACKED: 395 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 396 uinfo->value.integer.min = CS_DSP_ACKED_CTL_MIN_VALUE; 397 uinfo->value.integer.max = CS_DSP_ACKED_CTL_MAX_VALUE; 398 uinfo->value.integer.step = 1; 399 uinfo->count = 1; 400 break; 401 default: 402 uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES; 403 uinfo->count = cs_ctl->len; 404 break; 405 } 406 407 return 0; 408 } 409 410 static int wm_coeff_put(struct snd_kcontrol *kctl, 411 struct snd_ctl_elem_value *ucontrol) 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 char *p = ucontrol->value.bytes.data; 418 419 return cs_dsp_coeff_lock_and_write_ctrl(cs_ctl, 0, p, cs_ctl->len); 420 } 421 422 static int wm_coeff_tlv_put(struct snd_kcontrol *kctl, 423 const unsigned int __user *bytes, unsigned int size) 424 { 425 struct soc_bytes_ext *bytes_ext = 426 (struct soc_bytes_ext *)kctl->private_value; 427 struct wm_coeff_ctl *ctl = bytes_ext_to_ctl(bytes_ext); 428 struct cs_dsp_coeff_ctl *cs_ctl = ctl->cs_ctl; 429 void *scratch __free(kvfree) = vmemdup_user(bytes, size); 430 431 if (IS_ERR(scratch)) 432 return PTR_ERR(scratch); 433 434 return cs_dsp_coeff_lock_and_write_ctrl(cs_ctl, 0, scratch, size); 435 } 436 437 static int wm_coeff_put_acked(struct snd_kcontrol *kctl, 438 struct snd_ctl_elem_value *ucontrol) 439 { 440 struct soc_bytes_ext *bytes_ext = 441 (struct soc_bytes_ext *)kctl->private_value; 442 struct wm_coeff_ctl *ctl = bytes_ext_to_ctl(bytes_ext); 443 struct cs_dsp_coeff_ctl *cs_ctl = ctl->cs_ctl; 444 unsigned int val = ucontrol->value.integer.value[0]; 445 int ret; 446 447 if (val == 0) 448 return 0; /* 0 means no event */ 449 450 guard(mutex)(&cs_ctl->dsp->pwr_lock); 451 452 if (cs_ctl->enabled) 453 ret = cs_dsp_coeff_write_acked_control(cs_ctl, val); 454 else 455 ret = -EPERM; 456 457 if (ret < 0) 458 return ret; 459 460 return 1; 461 } 462 463 static int wm_coeff_get(struct snd_kcontrol *kctl, 464 struct snd_ctl_elem_value *ucontrol) 465 { 466 struct soc_bytes_ext *bytes_ext = 467 (struct soc_bytes_ext *)kctl->private_value; 468 struct wm_coeff_ctl *ctl = bytes_ext_to_ctl(bytes_ext); 469 struct cs_dsp_coeff_ctl *cs_ctl = ctl->cs_ctl; 470 char *p = ucontrol->value.bytes.data; 471 472 return cs_dsp_coeff_lock_and_read_ctrl(cs_ctl, 0, p, cs_ctl->len); 473 } 474 475 static int wm_coeff_tlv_get(struct snd_kcontrol *kctl, 476 unsigned int __user *bytes, unsigned int size) 477 { 478 struct soc_bytes_ext *bytes_ext = 479 (struct soc_bytes_ext *)kctl->private_value; 480 struct wm_coeff_ctl *ctl = bytes_ext_to_ctl(bytes_ext); 481 struct cs_dsp_coeff_ctl *cs_ctl = ctl->cs_ctl; 482 int ret = 0; 483 484 guard(mutex)(&cs_ctl->dsp->pwr_lock); 485 486 ret = cs_dsp_coeff_read_ctrl(cs_ctl, 0, cs_ctl->cache, size); 487 488 if (!ret && copy_to_user(bytes, cs_ctl->cache, size)) 489 ret = -EFAULT; 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_obj(*kcontrol); 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 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->wmfw_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_obj(*ctl); 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 EXPORT_SYMBOL_GPL(wm_adsp_control_add); 660 661 static int wm_adsp_control_add_cb(struct cs_dsp_coeff_ctl *cs_ctl) 662 { 663 struct wm_adsp *dsp = container_of(cs_ctl->dsp, struct wm_adsp, cs_dsp); 664 665 if (dsp->control_add) 666 return (dsp->control_add)(dsp, cs_ctl); 667 else 668 return wm_adsp_control_add(cs_ctl); 669 } 670 671 static void wm_adsp_control_remove(struct cs_dsp_coeff_ctl *cs_ctl) 672 { 673 struct wm_coeff_ctl *ctl = cs_ctl->priv; 674 675 if (!ctl) 676 return; 677 678 cancel_work_sync(&ctl->work); 679 680 kfree(ctl->name); 681 kfree(ctl); 682 } 683 684 int wm_adsp_write_ctl(struct wm_adsp *dsp, const char *name, int type, 685 unsigned int alg, void *buf, size_t len) 686 { 687 struct cs_dsp_coeff_ctl *cs_ctl; 688 int ret; 689 690 guard(mutex)(&dsp->cs_dsp.pwr_lock); 691 cs_ctl = cs_dsp_get_ctl(&dsp->cs_dsp, name, type, alg); 692 ret = cs_dsp_coeff_write_ctrl(cs_ctl, 0, buf, len); 693 694 if (ret < 0) 695 return ret; 696 697 return 0; 698 } 699 EXPORT_SYMBOL_GPL(wm_adsp_write_ctl); 700 701 int wm_adsp_read_ctl(struct wm_adsp *dsp, const char *name, int type, 702 unsigned int alg, void *buf, size_t len) 703 { 704 guard(mutex)(&dsp->cs_dsp.pwr_lock); 705 706 return cs_dsp_coeff_read_ctrl(cs_dsp_get_ctl(&dsp->cs_dsp, name, type, alg), 707 0, buf, len); 708 } 709 EXPORT_SYMBOL_GPL(wm_adsp_read_ctl); 710 711 VISIBLE_IF_KUNIT void wm_adsp_release_firmware_files(struct wm_adsp_fw_files *fw) 712 { 713 KUNIT_STATIC_STUB_REDIRECT(wm_adsp_release_firmware_files, fw); 714 715 release_firmware(fw->wmfw.firmware); 716 kfree(fw->wmfw.filename); 717 718 release_firmware(fw->coeff.firmware); 719 kfree(fw->coeff.filename); 720 } 721 EXPORT_SYMBOL_IF_KUNIT(wm_adsp_release_firmware_files); 722 723 VISIBLE_IF_KUNIT int wm_adsp_firmware_request(const struct firmware **firmware, 724 const char *filename, 725 struct device *dev) 726 { 727 KUNIT_STATIC_STUB_REDIRECT(wm_adsp_firmware_request, firmware, filename, dev); 728 729 return firmware_request_nowarn(firmware, filename, dev); 730 } 731 EXPORT_SYMBOL_IF_KUNIT(wm_adsp_firmware_request); 732 733 static int wm_adsp_request_firmware_file(struct wm_adsp *dsp, 734 struct wm_adsp_fw_file *fw, 735 const char *dir, const char *system_name, 736 const char *asoc_component_prefix, 737 const char *filetype) 738 { 739 struct cs_dsp *cs_dsp = &dsp->cs_dsp; 740 const char *fwf; 741 char *s, c; 742 int ret; 743 744 if (dsp->fwf_name) 745 fwf = dsp->fwf_name; 746 else 747 fwf = dsp->cs_dsp.name; 748 749 if (system_name && asoc_component_prefix) 750 fw->filename = kasprintf(GFP_KERNEL, "%s%s-%s-%s-%s-%s.%s", dir, dsp->part, 751 fwf, wm_adsp_fw[dsp->fw].file, system_name, 752 asoc_component_prefix, filetype); 753 else if (system_name) 754 fw->filename = kasprintf(GFP_KERNEL, "%s%s-%s-%s-%s.%s", dir, dsp->part, 755 fwf, wm_adsp_fw[dsp->fw].file, system_name, 756 filetype); 757 else 758 fw->filename = kasprintf(GFP_KERNEL, "%s%s-%s-%s.%s", dir, dsp->part, fwf, 759 wm_adsp_fw[dsp->fw].file, filetype); 760 761 if (!fw->filename) 762 return -ENOMEM; 763 764 /* 765 * Make sure that filename after dir is lower-case and any non-alpha-numeric 766 * characters except full-stop are replaced with hyphens. 767 */ 768 s = fw->filename + strlen(dir); 769 while (*s) { 770 c = *s; 771 if (isalnum(c)) 772 *s = tolower(c); 773 else if (c != '.') 774 *s = '-'; 775 s++; 776 } 777 778 ret = wm_adsp_firmware_request(&fw->firmware, fw->filename, cs_dsp->dev); 779 if (ret < 0) { 780 adsp_dbg(dsp, "Failed to request '%s': %d\n", fw->filename, ret); 781 kfree(fw->filename); 782 fw->filename = NULL; 783 if (ret != -ENOENT) 784 return ret; 785 } else { 786 adsp_dbg(dsp, "Found '%s'\n", fw->filename); 787 } 788 789 return 0; 790 } 791 792 static const char * const cirrus_dir = "cirrus/"; 793 VISIBLE_IF_KUNIT int wm_adsp_request_firmware_files(struct wm_adsp *dsp, 794 struct wm_adsp_fw_files *fw) 795 { 796 const char *system_name = dsp->system_name; 797 const char *suffix = dsp->component->name_prefix; 798 bool require_bin_suffix = false; 799 int ret = 0; 800 801 if (dsp->fwf_suffix) 802 suffix = dsp->fwf_suffix; 803 804 if (system_name) { 805 ret = wm_adsp_request_firmware_file(dsp, &fw->wmfw, 806 cirrus_dir, system_name, 807 suffix, "wmfw"); 808 if (ret < 0) 809 goto err; 810 811 if (suffix) { 812 if (fw->wmfw.firmware) { 813 require_bin_suffix = true; 814 } else { 815 /* Fallback to name without suffix */ 816 ret = wm_adsp_request_firmware_file(dsp, &fw->wmfw, 817 cirrus_dir, system_name, 818 NULL, "wmfw"); 819 if (ret < 0) 820 goto err; 821 } 822 } 823 824 /* Look for matching .bin file */ 825 if (fw->wmfw.firmware || dsp->wmfw_optional) { 826 ret = wm_adsp_request_firmware_file(dsp, &fw->coeff, 827 cirrus_dir, system_name, 828 suffix, "bin"); 829 if (ret < 0) 830 goto err; 831 832 if (suffix && !fw->coeff.firmware && !require_bin_suffix) { 833 /* Fallback to name without suffix */ 834 ret = wm_adsp_request_firmware_file(dsp, 835 &fw->coeff, 836 cirrus_dir, system_name, 837 NULL, "bin"); 838 if (ret < 0) 839 goto err; 840 } 841 } 842 843 if (fw->wmfw.firmware || (dsp->wmfw_optional && fw->coeff.firmware)) 844 return 0; 845 } 846 847 /* Check legacy location */ 848 ret = wm_adsp_request_firmware_file(dsp, &fw->wmfw, "", NULL, NULL, "wmfw"); 849 if (ret < 0) 850 goto err; 851 852 if (fw->wmfw.firmware) { 853 ret = wm_adsp_request_firmware_file(dsp, &fw->coeff, "", NULL, NULL, "bin"); 854 if (ret < 0) 855 goto err; 856 857 return 0; 858 } 859 860 /* Fall back to generic wmfw and optional matching bin */ 861 ret = wm_adsp_request_firmware_file(dsp, &fw->wmfw, 862 cirrus_dir, NULL, NULL, "wmfw"); 863 if (ret < 0) 864 goto err; 865 866 if (fw->wmfw.firmware || dsp->wmfw_optional) { 867 ret = wm_adsp_request_firmware_file(dsp, &fw->coeff, 868 cirrus_dir, NULL, NULL, "bin"); 869 if (ret < 0) 870 goto err; 871 872 return 0; 873 } 874 875 adsp_err(dsp, "Failed to request firmware <%s>%s-%s-%s<-%s<%s>>.wmfw\n", 876 cirrus_dir, dsp->part, 877 dsp->fwf_name ? dsp->fwf_name : dsp->cs_dsp.name, 878 wm_adsp_fw[dsp->fw].file, system_name, suffix); 879 880 ret = -ENOENT; 881 err: 882 wm_adsp_release_firmware_files(fw); 883 884 return ret; 885 } 886 EXPORT_SYMBOL_IF_KUNIT(wm_adsp_request_firmware_files); 887 888 static int wm_adsp_common_init(struct wm_adsp *dsp) 889 { 890 INIT_LIST_HEAD(&dsp->compr_list); 891 INIT_LIST_HEAD(&dsp->buffer_list); 892 893 return 0; 894 } 895 896 int wm_adsp1_init(struct wm_adsp *dsp) 897 { 898 int ret; 899 900 dsp->cs_dsp.client_ops = &wm_adsp1_client_ops; 901 902 ret = cs_dsp_adsp1_init(&dsp->cs_dsp); 903 if (ret) 904 return ret; 905 906 return wm_adsp_common_init(dsp); 907 } 908 EXPORT_SYMBOL_GPL(wm_adsp1_init); 909 910 int wm_adsp1_event(struct snd_soc_dapm_widget *w, 911 struct snd_kcontrol *kcontrol, 912 int event) 913 { 914 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); 915 struct wm_adsp *dsps = snd_soc_component_get_drvdata(component); 916 struct wm_adsp *dsp = &dsps[w->shift]; 917 struct wm_adsp_fw_files fw = { 0 }; 918 int ret = 0; 919 920 dsp->component = component; 921 922 switch (event) { 923 case SND_SOC_DAPM_POST_PMU: 924 ret = wm_adsp_request_firmware_files(dsp, &fw); 925 if (ret) 926 break; 927 928 ret = cs_dsp_adsp1_power_up(&dsp->cs_dsp, 929 fw.wmfw.firmware, fw.wmfw.filename, 930 fw.coeff.firmware, fw.coeff.filename, 931 wm_adsp_fw_text[dsp->fw]); 932 933 wm_adsp_release_firmware_files(&fw); 934 break; 935 case SND_SOC_DAPM_PRE_PMD: 936 cs_dsp_adsp1_power_down(&dsp->cs_dsp); 937 break; 938 default: 939 break; 940 } 941 942 return ret; 943 } 944 EXPORT_SYMBOL_GPL(wm_adsp1_event); 945 946 int wm_adsp2_set_dspclk(struct snd_soc_dapm_widget *w, unsigned int freq) 947 { 948 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); 949 struct wm_adsp *dsps = snd_soc_component_get_drvdata(component); 950 struct wm_adsp *dsp = &dsps[w->shift]; 951 952 return cs_dsp_set_dspclk(&dsp->cs_dsp, freq); 953 } 954 EXPORT_SYMBOL_GPL(wm_adsp2_set_dspclk); 955 956 int wm_adsp2_preloader_get(struct snd_kcontrol *kcontrol, 957 struct snd_ctl_elem_value *ucontrol) 958 { 959 struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); 960 struct wm_adsp *dsps = snd_soc_component_get_drvdata(component); 961 struct soc_mixer_control *mc = 962 (struct soc_mixer_control *)kcontrol->private_value; 963 struct wm_adsp *dsp = &dsps[mc->shift - 1]; 964 965 ucontrol->value.integer.value[0] = dsp->preloaded; 966 967 return 0; 968 } 969 EXPORT_SYMBOL_GPL(wm_adsp2_preloader_get); 970 971 int wm_adsp2_preloader_put(struct snd_kcontrol *kcontrol, 972 struct snd_ctl_elem_value *ucontrol) 973 { 974 struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); 975 struct wm_adsp *dsps = snd_soc_component_get_drvdata(component); 976 struct snd_soc_dapm_context *dapm = snd_soc_component_to_dapm(component); 977 struct soc_mixer_control *mc = 978 (struct soc_mixer_control *)kcontrol->private_value; 979 struct wm_adsp *dsp = &dsps[mc->shift - 1]; 980 char preload[32]; 981 982 if (dsp->preloaded == ucontrol->value.integer.value[0]) 983 return 0; 984 985 snprintf(preload, ARRAY_SIZE(preload), "%s Preload", dsp->cs_dsp.name); 986 987 if (ucontrol->value.integer.value[0] || dsp->toggle_preload) 988 snd_soc_dapm_force_enable_pin(dapm, preload); 989 else 990 snd_soc_dapm_disable_pin(dapm, preload); 991 992 snd_soc_dapm_sync(dapm); 993 994 flush_work(&dsp->boot_work); 995 996 dsp->preloaded = ucontrol->value.integer.value[0]; 997 998 if (dsp->toggle_preload) { 999 snd_soc_dapm_disable_pin(dapm, preload); 1000 snd_soc_dapm_sync(dapm); 1001 } 1002 1003 return 1; 1004 } 1005 EXPORT_SYMBOL_GPL(wm_adsp2_preloader_put); 1006 1007 int wm_adsp_power_up(struct wm_adsp *dsp, bool load_firmware) 1008 { 1009 struct wm_adsp_fw_files fw = { 0 }; 1010 int ret = 0; 1011 1012 if (load_firmware) { 1013 ret = wm_adsp_request_firmware_files(dsp, &fw); 1014 if (ret) 1015 return ret; 1016 } 1017 1018 if (dsp->bin_mandatory && !fw.coeff.firmware) { 1019 ret = -ENOENT; 1020 goto err; 1021 } 1022 1023 ret = cs_dsp_power_up(&dsp->cs_dsp, 1024 fw.wmfw.firmware, fw.wmfw.filename, 1025 fw.coeff.firmware, fw.coeff.filename, 1026 wm_adsp_fw_text[dsp->fw]); 1027 1028 err: 1029 wm_adsp_release_firmware_files(&fw); 1030 1031 return ret; 1032 } 1033 EXPORT_SYMBOL_GPL(wm_adsp_power_up); 1034 1035 void wm_adsp_power_down(struct wm_adsp *dsp) 1036 { 1037 cs_dsp_power_down(&dsp->cs_dsp); 1038 } 1039 EXPORT_SYMBOL_GPL(wm_adsp_power_down); 1040 1041 static void wm_adsp_boot_work(struct work_struct *work) 1042 { 1043 struct wm_adsp *dsp = container_of(work, 1044 struct wm_adsp, 1045 boot_work); 1046 1047 wm_adsp_power_up(dsp, true); 1048 } 1049 1050 int wm_adsp_early_event(struct snd_soc_dapm_widget *w, 1051 struct snd_kcontrol *kcontrol, int event) 1052 { 1053 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); 1054 struct wm_adsp *dsps = snd_soc_component_get_drvdata(component); 1055 struct wm_adsp *dsp = &dsps[w->shift]; 1056 1057 switch (event) { 1058 case SND_SOC_DAPM_PRE_PMU: 1059 queue_work(system_dfl_wq, &dsp->boot_work); 1060 break; 1061 case SND_SOC_DAPM_PRE_PMD: 1062 wm_adsp_power_down(dsp); 1063 break; 1064 default: 1065 break; 1066 } 1067 1068 return 0; 1069 } 1070 EXPORT_SYMBOL_GPL(wm_adsp_early_event); 1071 1072 static int wm_adsp_pre_run(struct cs_dsp *cs_dsp) 1073 { 1074 struct wm_adsp *dsp = container_of(cs_dsp, struct wm_adsp, cs_dsp); 1075 1076 if (!dsp->pre_run) 1077 return 0; 1078 1079 return (*dsp->pre_run)(dsp); 1080 } 1081 1082 static int wm_adsp_event_post_run(struct cs_dsp *cs_dsp) 1083 { 1084 struct wm_adsp *dsp = container_of(cs_dsp, struct wm_adsp, cs_dsp); 1085 1086 if (wm_adsp_fw[dsp->fw].num_caps != 0) 1087 return wm_adsp_buffer_init(dsp); 1088 1089 return 0; 1090 } 1091 1092 static void wm_adsp_event_post_stop(struct cs_dsp *cs_dsp) 1093 { 1094 struct wm_adsp *dsp = container_of(cs_dsp, struct wm_adsp, cs_dsp); 1095 1096 if (wm_adsp_fw[dsp->fw].num_caps != 0) 1097 wm_adsp_buffer_free(dsp); 1098 1099 dsp->fatal_error = false; 1100 } 1101 1102 int wm_adsp_run(struct wm_adsp *dsp) 1103 { 1104 flush_work(&dsp->boot_work); 1105 1106 return cs_dsp_run(&dsp->cs_dsp); 1107 } 1108 EXPORT_SYMBOL_GPL(wm_adsp_run); 1109 1110 void wm_adsp_stop(struct wm_adsp *dsp) 1111 { 1112 cs_dsp_stop(&dsp->cs_dsp); 1113 } 1114 EXPORT_SYMBOL_GPL(wm_adsp_stop); 1115 1116 void wm_adsp_hibernate(struct wm_adsp *dsp, bool hibernate) 1117 { 1118 cs_dsp_hibernate(&dsp->cs_dsp, hibernate); 1119 } 1120 EXPORT_SYMBOL_GPL(wm_adsp_hibernate); 1121 1122 int wm_adsp_event(struct snd_soc_dapm_widget *w, 1123 struct snd_kcontrol *kcontrol, int event) 1124 { 1125 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); 1126 struct wm_adsp *dsps = snd_soc_component_get_drvdata(component); 1127 struct wm_adsp *dsp = &dsps[w->shift]; 1128 1129 switch (event) { 1130 case SND_SOC_DAPM_POST_PMU: 1131 return wm_adsp_run(dsp); 1132 case SND_SOC_DAPM_PRE_PMD: 1133 wm_adsp_stop(dsp); 1134 return 0; 1135 default: 1136 return 0; 1137 } 1138 } 1139 EXPORT_SYMBOL_GPL(wm_adsp_event); 1140 1141 int wm_adsp2_component_probe(struct wm_adsp *dsp, struct snd_soc_component *component) 1142 { 1143 struct snd_soc_dapm_context *dapm = snd_soc_component_to_dapm(component); 1144 char preload[32]; 1145 1146 if (!dsp->cs_dsp.no_core_startstop) { 1147 snprintf(preload, ARRAY_SIZE(preload), "%s Preload", dsp->cs_dsp.name); 1148 snd_soc_dapm_disable_pin(dapm, preload); 1149 } 1150 1151 cs_dsp_init_debugfs(&dsp->cs_dsp, component->debugfs_root); 1152 1153 dsp->component = component; 1154 1155 return 0; 1156 } 1157 EXPORT_SYMBOL_GPL(wm_adsp2_component_probe); 1158 1159 int wm_adsp2_component_remove(struct wm_adsp *dsp, struct snd_soc_component *component) 1160 { 1161 if (!dsp) 1162 return 0; 1163 1164 if (!dsp->component) 1165 return 0; 1166 1167 cs_dsp_cleanup_debugfs(&dsp->cs_dsp); 1168 dsp->component = NULL; 1169 1170 return 0; 1171 } 1172 EXPORT_SYMBOL_GPL(wm_adsp2_component_remove); 1173 1174 int wm_adsp2_init(struct wm_adsp *dsp) 1175 { 1176 int ret; 1177 1178 INIT_WORK(&dsp->boot_work, wm_adsp_boot_work); 1179 1180 dsp->sys_config_size = sizeof(struct wm_adsp_system_config_xm_hdr); 1181 dsp->cs_dsp.client_ops = &wm_adsp2_client_ops; 1182 1183 ret = cs_dsp_adsp2_init(&dsp->cs_dsp); 1184 if (ret) 1185 return ret; 1186 1187 return wm_adsp_common_init(dsp); 1188 } 1189 EXPORT_SYMBOL_GPL(wm_adsp2_init); 1190 1191 int wm_halo_init(struct wm_adsp *dsp) 1192 { 1193 int ret; 1194 1195 INIT_WORK(&dsp->boot_work, wm_adsp_boot_work); 1196 1197 dsp->sys_config_size = sizeof(struct wm_halo_system_config_xm_hdr); 1198 dsp->cs_dsp.client_ops = &wm_adsp2_client_ops; 1199 1200 ret = cs_dsp_halo_init(&dsp->cs_dsp); 1201 if (ret) 1202 return ret; 1203 1204 return wm_adsp_common_init(dsp); 1205 } 1206 EXPORT_SYMBOL_GPL(wm_halo_init); 1207 1208 void wm_adsp2_remove(struct wm_adsp *dsp) 1209 { 1210 cs_dsp_remove(&dsp->cs_dsp); 1211 } 1212 EXPORT_SYMBOL_GPL(wm_adsp2_remove); 1213 1214 static inline int wm_adsp_compr_attached(struct wm_adsp_compr *compr) 1215 { 1216 return compr->buf != NULL; 1217 } 1218 1219 static int wm_adsp_compr_attach(struct wm_adsp_compr *compr) 1220 { 1221 struct wm_adsp_compr_buf *buf = NULL, *tmp; 1222 1223 if (compr->dsp->fatal_error) 1224 return -EINVAL; 1225 1226 list_for_each_entry(tmp, &compr->dsp->buffer_list, list) { 1227 if (!tmp->name || !strcmp(compr->name, tmp->name)) { 1228 buf = tmp; 1229 break; 1230 } 1231 } 1232 1233 if (!buf) 1234 return -EINVAL; 1235 1236 compr->buf = buf; 1237 buf->compr = compr; 1238 1239 return 0; 1240 } 1241 1242 static void wm_adsp_compr_detach(struct wm_adsp_compr *compr) 1243 { 1244 if (!compr) 1245 return; 1246 1247 /* Wake the poll so it can see buffer is no longer attached */ 1248 if (compr->stream) 1249 snd_compr_fragment_elapsed(compr->stream); 1250 1251 if (wm_adsp_compr_attached(compr)) { 1252 compr->buf->compr = NULL; 1253 compr->buf = NULL; 1254 } 1255 } 1256 1257 int wm_adsp_compr_open(struct wm_adsp *dsp, struct snd_compr_stream *stream) 1258 { 1259 struct wm_adsp_compr *compr, *tmp; 1260 struct snd_soc_pcm_runtime *rtd = stream->private_data; 1261 1262 guard(mutex)(&dsp->cs_dsp.pwr_lock); 1263 1264 if (wm_adsp_fw[dsp->fw].num_caps == 0) { 1265 adsp_err(dsp, "%s: Firmware does not support compressed API\n", 1266 snd_soc_rtd_to_codec(rtd, 0)->name); 1267 return -ENXIO; 1268 } 1269 1270 if (wm_adsp_fw[dsp->fw].compr_direction != stream->direction) { 1271 adsp_err(dsp, "%s: Firmware does not support stream direction\n", 1272 snd_soc_rtd_to_codec(rtd, 0)->name); 1273 return -EINVAL; 1274 } 1275 1276 list_for_each_entry(tmp, &dsp->compr_list, list) { 1277 if (!strcmp(tmp->name, snd_soc_rtd_to_codec(rtd, 0)->name)) { 1278 adsp_err(dsp, "%s: Only a single stream supported per dai\n", 1279 snd_soc_rtd_to_codec(rtd, 0)->name); 1280 return -EBUSY; 1281 } 1282 } 1283 1284 compr = kzalloc_obj(*compr); 1285 if (!compr) 1286 return -ENOMEM; 1287 1288 compr->dsp = dsp; 1289 compr->stream = stream; 1290 compr->name = snd_soc_rtd_to_codec(rtd, 0)->name; 1291 1292 list_add_tail(&compr->list, &dsp->compr_list); 1293 1294 stream->runtime->private_data = compr; 1295 1296 return 0; 1297 } 1298 EXPORT_SYMBOL_GPL(wm_adsp_compr_open); 1299 1300 int wm_adsp_compr_free(struct snd_soc_component *component, 1301 struct snd_compr_stream *stream) 1302 { 1303 struct wm_adsp_compr *compr = stream->runtime->private_data; 1304 struct wm_adsp *dsp = compr->dsp; 1305 1306 guard(mutex)(&dsp->cs_dsp.pwr_lock); 1307 1308 wm_adsp_compr_detach(compr); 1309 list_del(&compr->list); 1310 1311 kfree(compr->raw_buf); 1312 kfree(compr); 1313 1314 return 0; 1315 } 1316 EXPORT_SYMBOL_GPL(wm_adsp_compr_free); 1317 1318 static int wm_adsp_compr_check_params(struct snd_compr_stream *stream, 1319 struct snd_compr_params *params) 1320 { 1321 struct wm_adsp_compr *compr = stream->runtime->private_data; 1322 struct wm_adsp *dsp = compr->dsp; 1323 const struct wm_adsp_fw_caps *caps; 1324 const struct snd_codec_desc *desc; 1325 int i, j; 1326 1327 if (params->buffer.fragment_size < WM_ADSP_MIN_FRAGMENT_SIZE || 1328 params->buffer.fragment_size > WM_ADSP_MAX_FRAGMENT_SIZE || 1329 params->buffer.fragments < WM_ADSP_MIN_FRAGMENTS || 1330 params->buffer.fragments > WM_ADSP_MAX_FRAGMENTS || 1331 params->buffer.fragment_size % CS_DSP_DATA_WORD_SIZE) { 1332 compr_err(compr, "Invalid buffer fragsize=%d fragments=%d\n", 1333 params->buffer.fragment_size, 1334 params->buffer.fragments); 1335 1336 return -EINVAL; 1337 } 1338 1339 for (i = 0; i < wm_adsp_fw[dsp->fw].num_caps; i++) { 1340 caps = &wm_adsp_fw[dsp->fw].caps[i]; 1341 desc = &caps->desc; 1342 1343 if (caps->id != params->codec.id) 1344 continue; 1345 1346 if (stream->direction == SND_COMPRESS_PLAYBACK) { 1347 if (desc->max_ch < params->codec.ch_out) 1348 continue; 1349 } else { 1350 if (desc->max_ch < params->codec.ch_in) 1351 continue; 1352 } 1353 1354 if (!(desc->formats & (1 << params->codec.format))) 1355 continue; 1356 1357 for (j = 0; j < desc->num_sample_rates; ++j) 1358 if (desc->sample_rates[j] == params->codec.sample_rate) 1359 return 0; 1360 } 1361 1362 compr_err(compr, "Invalid params id=%u ch=%u,%u rate=%u fmt=%u\n", 1363 params->codec.id, params->codec.ch_in, params->codec.ch_out, 1364 params->codec.sample_rate, params->codec.format); 1365 return -EINVAL; 1366 } 1367 1368 static inline unsigned int wm_adsp_compr_frag_words(struct wm_adsp_compr *compr) 1369 { 1370 return compr->size.fragment_size / CS_DSP_DATA_WORD_SIZE; 1371 } 1372 1373 int wm_adsp_compr_set_params(struct snd_soc_component *component, 1374 struct snd_compr_stream *stream, 1375 struct snd_compr_params *params) 1376 { 1377 struct wm_adsp_compr *compr = stream->runtime->private_data; 1378 unsigned int size; 1379 int ret; 1380 1381 ret = wm_adsp_compr_check_params(stream, params); 1382 if (ret) 1383 return ret; 1384 1385 compr->size = params->buffer; 1386 1387 compr_dbg(compr, "fragment_size=%d fragments=%d\n", 1388 compr->size.fragment_size, compr->size.fragments); 1389 1390 size = wm_adsp_compr_frag_words(compr) * sizeof(*compr->raw_buf); 1391 compr->raw_buf = kmalloc(size, GFP_DMA | GFP_KERNEL); 1392 if (!compr->raw_buf) 1393 return -ENOMEM; 1394 1395 compr->sample_rate = params->codec.sample_rate; 1396 1397 return 0; 1398 } 1399 EXPORT_SYMBOL_GPL(wm_adsp_compr_set_params); 1400 1401 int wm_adsp_compr_get_caps(struct snd_soc_component *component, 1402 struct snd_compr_stream *stream, 1403 struct snd_compr_caps *caps) 1404 { 1405 struct wm_adsp_compr *compr = stream->runtime->private_data; 1406 int fw = compr->dsp->fw; 1407 int i; 1408 1409 if (wm_adsp_fw[fw].caps) { 1410 for (i = 0; i < wm_adsp_fw[fw].num_caps; i++) 1411 caps->codecs[i] = wm_adsp_fw[fw].caps[i].id; 1412 1413 caps->num_codecs = i; 1414 caps->direction = wm_adsp_fw[fw].compr_direction; 1415 1416 caps->min_fragment_size = WM_ADSP_MIN_FRAGMENT_SIZE; 1417 caps->max_fragment_size = WM_ADSP_MAX_FRAGMENT_SIZE; 1418 caps->min_fragments = WM_ADSP_MIN_FRAGMENTS; 1419 caps->max_fragments = WM_ADSP_MAX_FRAGMENTS; 1420 } 1421 1422 return 0; 1423 } 1424 EXPORT_SYMBOL_GPL(wm_adsp_compr_get_caps); 1425 1426 static inline int wm_adsp_buffer_read(struct wm_adsp_compr_buf *buf, 1427 unsigned int field_offset, u32 *data) 1428 { 1429 return cs_dsp_read_data_word(&buf->dsp->cs_dsp, buf->host_buf_mem_type, 1430 buf->host_buf_ptr + field_offset, data); 1431 } 1432 1433 static inline int wm_adsp_buffer_write(struct wm_adsp_compr_buf *buf, 1434 unsigned int field_offset, u32 data) 1435 { 1436 return cs_dsp_write_data_word(&buf->dsp->cs_dsp, buf->host_buf_mem_type, 1437 buf->host_buf_ptr + field_offset, 1438 data); 1439 } 1440 1441 static int wm_adsp_buffer_populate(struct wm_adsp_compr_buf *buf) 1442 { 1443 const struct wm_adsp_fw_caps *caps = wm_adsp_fw[buf->dsp->fw].caps; 1444 struct wm_adsp_buffer_region *region; 1445 u32 offset = 0; 1446 int i, ret; 1447 1448 buf->regions = kzalloc_objs(*buf->regions, caps->num_regions); 1449 if (!buf->regions) 1450 return -ENOMEM; 1451 1452 for (i = 0; i < caps->num_regions; ++i) { 1453 region = &buf->regions[i]; 1454 1455 region->offset = offset; 1456 region->mem_type = caps->region_defs[i].mem_type; 1457 1458 ret = wm_adsp_buffer_read(buf, caps->region_defs[i].base_offset, 1459 ®ion->base_addr); 1460 if (ret < 0) 1461 goto err; 1462 1463 ret = wm_adsp_buffer_read(buf, caps->region_defs[i].size_offset, 1464 &offset); 1465 if (ret < 0) 1466 goto err; 1467 1468 region->cumulative_size = offset; 1469 1470 compr_dbg(buf, 1471 "region=%d type=%d base=%08x off=%08x size=%08x\n", 1472 i, region->mem_type, region->base_addr, 1473 region->offset, region->cumulative_size); 1474 } 1475 1476 return 0; 1477 1478 err: 1479 kfree(buf->regions); 1480 return ret; 1481 } 1482 1483 static void wm_adsp_buffer_clear(struct wm_adsp_compr_buf *buf) 1484 { 1485 buf->irq_count = 0xFFFFFFFF; 1486 buf->read_index = -1; 1487 buf->avail = 0; 1488 } 1489 1490 static struct wm_adsp_compr_buf *wm_adsp_buffer_alloc(struct wm_adsp *dsp) 1491 { 1492 struct wm_adsp_compr_buf *buf; 1493 1494 buf = kzalloc_obj(*buf); 1495 if (!buf) 1496 return NULL; 1497 1498 buf->dsp = dsp; 1499 1500 wm_adsp_buffer_clear(buf); 1501 1502 return buf; 1503 } 1504 1505 static int wm_adsp_buffer_parse_legacy(struct wm_adsp *dsp) 1506 { 1507 struct cs_dsp_alg_region *alg_region; 1508 struct wm_adsp_compr_buf *buf; 1509 u32 xmalg, addr, magic; 1510 int i, ret; 1511 1512 alg_region = cs_dsp_find_alg_region(&dsp->cs_dsp, WMFW_ADSP2_XM, dsp->cs_dsp.fw_id); 1513 if (!alg_region) { 1514 adsp_err(dsp, "No algorithm region found\n"); 1515 return -EINVAL; 1516 } 1517 1518 xmalg = dsp->sys_config_size / sizeof(__be32); 1519 1520 addr = alg_region->base + xmalg + ALG_XM_FIELD(magic); 1521 ret = cs_dsp_read_data_word(&dsp->cs_dsp, WMFW_ADSP2_XM, addr, &magic); 1522 if (ret < 0) 1523 return ret; 1524 1525 if (magic != WM_ADSP_ALG_XM_STRUCT_MAGIC) 1526 return -ENODEV; 1527 1528 buf = wm_adsp_buffer_alloc(dsp); 1529 if (!buf) 1530 return -ENOMEM; 1531 1532 addr = alg_region->base + xmalg + ALG_XM_FIELD(host_buf_ptr); 1533 for (i = 0; i < 5; ++i) { 1534 ret = cs_dsp_read_data_word(&dsp->cs_dsp, WMFW_ADSP2_XM, addr, 1535 &buf->host_buf_ptr); 1536 if (ret < 0) 1537 goto err; 1538 1539 if (buf->host_buf_ptr) 1540 break; 1541 1542 usleep_range(1000, 2000); 1543 } 1544 1545 if (!buf->host_buf_ptr) { 1546 ret = -EIO; 1547 goto err; 1548 } 1549 1550 buf->host_buf_mem_type = WMFW_ADSP2_XM; 1551 1552 ret = wm_adsp_buffer_populate(buf); 1553 if (ret < 0) 1554 goto err; 1555 1556 list_add_tail(&buf->list, &dsp->buffer_list); 1557 1558 compr_dbg(buf, "legacy host_buf_ptr=%x\n", buf->host_buf_ptr); 1559 1560 return 0; 1561 1562 err: 1563 kfree(buf); 1564 1565 return ret; 1566 } 1567 1568 static int wm_adsp_buffer_parse_coeff(struct cs_dsp_coeff_ctl *cs_ctl) 1569 { 1570 struct wm_adsp_host_buf_coeff_v1 coeff_v1; 1571 struct wm_adsp_compr_buf *buf; 1572 struct wm_adsp *dsp = container_of(cs_ctl->dsp, struct wm_adsp, cs_dsp); 1573 unsigned int version = 0; 1574 int ret, i; 1575 1576 for (i = 0; i < 5; ++i) { 1577 ret = cs_dsp_coeff_read_ctrl(cs_ctl, 0, &coeff_v1, 1578 min((size_t)cs_ctl->len, sizeof(coeff_v1))); 1579 if (ret < 0) 1580 return ret; 1581 1582 if (coeff_v1.host_buf_ptr) 1583 break; 1584 1585 usleep_range(1000, 2000); 1586 } 1587 1588 if (!coeff_v1.host_buf_ptr) { 1589 adsp_err(dsp, "Failed to acquire host buffer\n"); 1590 return -EIO; 1591 } 1592 1593 buf = wm_adsp_buffer_alloc(dsp); 1594 if (!buf) 1595 return -ENOMEM; 1596 1597 buf->host_buf_mem_type = cs_ctl->alg_region.type; 1598 buf->host_buf_ptr = be32_to_cpu(coeff_v1.host_buf_ptr); 1599 1600 ret = wm_adsp_buffer_populate(buf); 1601 if (ret < 0) 1602 goto err; 1603 1604 /* 1605 * v0 host_buffer coefficients didn't have versioning, so if the 1606 * control is one word, assume version 0. 1607 */ 1608 if (cs_ctl->len == 4) 1609 goto done; 1610 1611 version = be32_to_cpu(coeff_v1.versions) & HOST_BUF_COEFF_COMPAT_VER_MASK; 1612 version >>= HOST_BUF_COEFF_COMPAT_VER_SHIFT; 1613 1614 if (version > HOST_BUF_COEFF_SUPPORTED_COMPAT_VER) { 1615 adsp_err(dsp, 1616 "Host buffer coeff ver %u > supported version %u\n", 1617 version, HOST_BUF_COEFF_SUPPORTED_COMPAT_VER); 1618 ret = -EINVAL; 1619 goto err; 1620 } 1621 1622 cs_dsp_remove_padding((u32 *)&coeff_v1.name, ARRAY_SIZE(coeff_v1.name)); 1623 1624 buf->name = kasprintf(GFP_KERNEL, "%s-dsp-%s", dsp->part, 1625 (char *)&coeff_v1.name); 1626 1627 done: 1628 list_add_tail(&buf->list, &dsp->buffer_list); 1629 1630 compr_dbg(buf, "host_buf_ptr=%x coeff version %u\n", 1631 buf->host_buf_ptr, version); 1632 1633 return version; 1634 1635 err: 1636 kfree(buf); 1637 1638 return ret; 1639 } 1640 1641 static int wm_adsp_buffer_init(struct wm_adsp *dsp) 1642 { 1643 struct cs_dsp_coeff_ctl *cs_ctl; 1644 int ret; 1645 1646 list_for_each_entry(cs_ctl, &dsp->cs_dsp.ctl_list, list) { 1647 if (cs_ctl->type != WMFW_CTL_TYPE_HOST_BUFFER) 1648 continue; 1649 1650 if (!cs_ctl->enabled) 1651 continue; 1652 1653 ret = wm_adsp_buffer_parse_coeff(cs_ctl); 1654 if (ret < 0) { 1655 adsp_err(dsp, "Failed to parse coeff: %d\n", ret); 1656 goto error; 1657 } else if (ret == 0) { 1658 /* Only one buffer supported for version 0 */ 1659 return 0; 1660 } 1661 } 1662 1663 if (list_empty(&dsp->buffer_list)) { 1664 /* Fall back to legacy support */ 1665 ret = wm_adsp_buffer_parse_legacy(dsp); 1666 if (ret == -ENODEV) 1667 adsp_info(dsp, "Legacy support not available\n"); 1668 else if (ret) 1669 adsp_warn(dsp, "Failed to parse legacy: %d\n", ret); 1670 } 1671 1672 return 0; 1673 1674 error: 1675 wm_adsp_buffer_free(dsp); 1676 return ret; 1677 } 1678 1679 static int wm_adsp_buffer_free(struct wm_adsp *dsp) 1680 { 1681 struct wm_adsp_compr_buf *buf, *tmp; 1682 1683 list_for_each_entry_safe(buf, tmp, &dsp->buffer_list, list) { 1684 wm_adsp_compr_detach(buf->compr); 1685 1686 kfree(buf->name); 1687 kfree(buf->regions); 1688 list_del(&buf->list); 1689 kfree(buf); 1690 } 1691 1692 return 0; 1693 } 1694 1695 static int wm_adsp_buffer_get_error(struct wm_adsp_compr_buf *buf) 1696 { 1697 int ret; 1698 1699 ret = wm_adsp_buffer_read(buf, HOST_BUFFER_FIELD(error), &buf->error); 1700 if (ret < 0) { 1701 compr_err(buf, "Failed to check buffer error: %d\n", ret); 1702 return ret; 1703 } 1704 if (buf->error != 0) { 1705 compr_err(buf, "Buffer error occurred: %d\n", buf->error); 1706 return -EIO; 1707 } 1708 1709 return 0; 1710 } 1711 1712 int wm_adsp_compr_trigger(struct snd_soc_component *component, 1713 struct snd_compr_stream *stream, int cmd) 1714 { 1715 struct wm_adsp_compr *compr = stream->runtime->private_data; 1716 struct wm_adsp *dsp = compr->dsp; 1717 int ret = 0; 1718 1719 compr_dbg(compr, "Trigger: %d\n", cmd); 1720 1721 guard(mutex)(&dsp->cs_dsp.pwr_lock); 1722 1723 switch (cmd) { 1724 case SNDRV_PCM_TRIGGER_START: 1725 if (!wm_adsp_compr_attached(compr)) { 1726 ret = wm_adsp_compr_attach(compr); 1727 if (ret < 0) { 1728 compr_err(compr, "Failed to link buffer and stream: %d\n", 1729 ret); 1730 break; 1731 } 1732 } 1733 1734 ret = wm_adsp_buffer_get_error(compr->buf); 1735 if (ret < 0) 1736 break; 1737 1738 /* Trigger the IRQ at one fragment of data */ 1739 ret = wm_adsp_buffer_write(compr->buf, 1740 HOST_BUFFER_FIELD(high_water_mark), 1741 wm_adsp_compr_frag_words(compr)); 1742 if (ret < 0) { 1743 compr_err(compr, "Failed to set high water mark: %d\n", 1744 ret); 1745 break; 1746 } 1747 break; 1748 case SNDRV_PCM_TRIGGER_STOP: 1749 if (wm_adsp_compr_attached(compr)) 1750 wm_adsp_buffer_clear(compr->buf); 1751 break; 1752 default: 1753 ret = -EINVAL; 1754 break; 1755 } 1756 1757 return ret; 1758 } 1759 EXPORT_SYMBOL_GPL(wm_adsp_compr_trigger); 1760 1761 static inline int wm_adsp_buffer_size(struct wm_adsp_compr_buf *buf) 1762 { 1763 int last_region = wm_adsp_fw[buf->dsp->fw].caps->num_regions - 1; 1764 1765 return buf->regions[last_region].cumulative_size; 1766 } 1767 1768 static int wm_adsp_buffer_update_avail(struct wm_adsp_compr_buf *buf) 1769 { 1770 u32 next_read_index, next_write_index; 1771 int write_index, read_index, avail; 1772 int ret; 1773 1774 /* Only sync read index if we haven't already read a valid index */ 1775 if (buf->read_index < 0) { 1776 ret = wm_adsp_buffer_read(buf, 1777 HOST_BUFFER_FIELD(next_read_index), 1778 &next_read_index); 1779 if (ret < 0) 1780 return ret; 1781 1782 read_index = sign_extend32(next_read_index, 23); 1783 1784 if (read_index < 0) { 1785 compr_dbg(buf, "Avail check on unstarted stream\n"); 1786 return 0; 1787 } 1788 1789 buf->read_index = read_index; 1790 } 1791 1792 ret = wm_adsp_buffer_read(buf, HOST_BUFFER_FIELD(next_write_index), 1793 &next_write_index); 1794 if (ret < 0) 1795 return ret; 1796 1797 write_index = sign_extend32(next_write_index, 23); 1798 1799 avail = write_index - buf->read_index; 1800 if (avail < 0) 1801 avail += wm_adsp_buffer_size(buf); 1802 1803 compr_dbg(buf, "readindex=0x%x, writeindex=0x%x, avail=%d\n", 1804 buf->read_index, write_index, avail * CS_DSP_DATA_WORD_SIZE); 1805 1806 buf->avail = avail; 1807 1808 return 0; 1809 } 1810 1811 int wm_adsp_compr_handle_irq(struct wm_adsp *dsp) 1812 { 1813 struct wm_adsp_compr_buf *buf; 1814 struct wm_adsp_compr *compr; 1815 int ret = 0; 1816 1817 mutex_lock(&dsp->cs_dsp.pwr_lock); 1818 1819 if (list_empty(&dsp->buffer_list)) { 1820 ret = -ENODEV; 1821 goto out; 1822 } 1823 1824 adsp_dbg(dsp, "Handling buffer IRQ\n"); 1825 1826 list_for_each_entry(buf, &dsp->buffer_list, list) { 1827 compr = buf->compr; 1828 1829 ret = wm_adsp_buffer_get_error(buf); 1830 if (ret < 0) 1831 goto out_notify; /* Wake poll to report error */ 1832 1833 ret = wm_adsp_buffer_read(buf, HOST_BUFFER_FIELD(irq_count), 1834 &buf->irq_count); 1835 if (ret < 0) { 1836 compr_err(buf, "Failed to get irq_count: %d\n", ret); 1837 goto out; 1838 } 1839 1840 ret = wm_adsp_buffer_update_avail(buf); 1841 if (ret < 0) { 1842 compr_err(buf, "Error reading avail: %d\n", ret); 1843 goto out; 1844 } 1845 1846 if (wm_adsp_fw[dsp->fw].voice_trigger && buf->irq_count == 2) 1847 ret = WM_ADSP_COMPR_VOICE_TRIGGER; 1848 1849 out_notify: 1850 if (compr && compr->stream) 1851 snd_compr_fragment_elapsed(compr->stream); 1852 } 1853 1854 out: 1855 mutex_unlock(&dsp->cs_dsp.pwr_lock); 1856 1857 return ret; 1858 } 1859 EXPORT_SYMBOL_GPL(wm_adsp_compr_handle_irq); 1860 1861 static int wm_adsp_buffer_reenable_irq(struct wm_adsp_compr_buf *buf) 1862 { 1863 if (buf->irq_count & 0x01) 1864 return 0; 1865 1866 compr_dbg(buf, "Enable IRQ(0x%x) for next fragment\n", buf->irq_count); 1867 1868 buf->irq_count |= 0x01; 1869 1870 return wm_adsp_buffer_write(buf, HOST_BUFFER_FIELD(irq_ack), 1871 buf->irq_count); 1872 } 1873 1874 int wm_adsp_compr_pointer(struct snd_soc_component *component, 1875 struct snd_compr_stream *stream, 1876 struct snd_compr_tstamp64 *tstamp) 1877 { 1878 struct wm_adsp_compr *compr = stream->runtime->private_data; 1879 struct wm_adsp *dsp = compr->dsp; 1880 struct wm_adsp_compr_buf *buf; 1881 int ret = 0; 1882 1883 compr_dbg(compr, "Pointer request\n"); 1884 1885 guard(mutex)(&dsp->cs_dsp.pwr_lock); 1886 1887 buf = compr->buf; 1888 1889 if (dsp->fatal_error || !buf || buf->error) { 1890 snd_compr_stop_error(stream, SNDRV_PCM_STATE_XRUN); 1891 return -EIO; 1892 } 1893 1894 if (buf->avail < wm_adsp_compr_frag_words(compr)) { 1895 ret = wm_adsp_buffer_update_avail(buf); 1896 if (ret < 0) { 1897 compr_err(compr, "Error reading avail: %d\n", ret); 1898 return ret; 1899 } 1900 1901 /* 1902 * If we really have less than 1 fragment available tell the 1903 * DSP to inform us once a whole fragment is available. 1904 */ 1905 if (buf->avail < wm_adsp_compr_frag_words(compr)) { 1906 ret = wm_adsp_buffer_get_error(buf); 1907 if (ret < 0) { 1908 if (buf->error) 1909 snd_compr_stop_error(stream, 1910 SNDRV_PCM_STATE_XRUN); 1911 return ret; 1912 } 1913 1914 ret = wm_adsp_buffer_reenable_irq(buf); 1915 if (ret < 0) { 1916 compr_err(compr, "Failed to re-enable buffer IRQ: %d\n", 1917 ret); 1918 return ret; 1919 } 1920 } 1921 } 1922 1923 tstamp->copied_total = compr->copied_total; 1924 tstamp->copied_total += buf->avail * CS_DSP_DATA_WORD_SIZE; 1925 tstamp->sampling_rate = compr->sample_rate; 1926 1927 return ret; 1928 } 1929 EXPORT_SYMBOL_GPL(wm_adsp_compr_pointer); 1930 1931 static int wm_adsp_buffer_capture_block(struct wm_adsp_compr *compr, int target) 1932 { 1933 struct wm_adsp_compr_buf *buf = compr->buf; 1934 unsigned int adsp_addr; 1935 int mem_type, nwords, max_read; 1936 int i, ret; 1937 1938 /* Calculate read parameters */ 1939 for (i = 0; i < wm_adsp_fw[buf->dsp->fw].caps->num_regions; ++i) 1940 if (buf->read_index < buf->regions[i].cumulative_size) 1941 break; 1942 1943 if (i == wm_adsp_fw[buf->dsp->fw].caps->num_regions) 1944 return -EINVAL; 1945 1946 mem_type = buf->regions[i].mem_type; 1947 adsp_addr = buf->regions[i].base_addr + 1948 (buf->read_index - buf->regions[i].offset); 1949 1950 max_read = wm_adsp_compr_frag_words(compr); 1951 nwords = buf->regions[i].cumulative_size - buf->read_index; 1952 1953 if (nwords > target) 1954 nwords = target; 1955 if (nwords > buf->avail) 1956 nwords = buf->avail; 1957 if (nwords > max_read) 1958 nwords = max_read; 1959 if (!nwords) 1960 return 0; 1961 1962 /* Read data from DSP */ 1963 ret = cs_dsp_read_raw_data_block(&buf->dsp->cs_dsp, mem_type, adsp_addr, 1964 nwords, (__be32 *)compr->raw_buf); 1965 if (ret < 0) 1966 return ret; 1967 1968 cs_dsp_remove_padding(compr->raw_buf, nwords); 1969 1970 /* update read index to account for words read */ 1971 buf->read_index += nwords; 1972 if (buf->read_index == wm_adsp_buffer_size(buf)) 1973 buf->read_index = 0; 1974 1975 ret = wm_adsp_buffer_write(buf, HOST_BUFFER_FIELD(next_read_index), 1976 buf->read_index); 1977 if (ret < 0) 1978 return ret; 1979 1980 /* update avail to account for words read */ 1981 buf->avail -= nwords; 1982 1983 return nwords; 1984 } 1985 1986 static int wm_adsp_compr_read(struct wm_adsp_compr *compr, 1987 char __user *buf, size_t count) 1988 { 1989 struct wm_adsp *dsp = compr->dsp; 1990 int ntotal = 0; 1991 int nwords, nbytes; 1992 1993 compr_dbg(compr, "Requested read of %zu bytes\n", count); 1994 1995 if (dsp->fatal_error || !compr->buf || compr->buf->error) { 1996 snd_compr_stop_error(compr->stream, SNDRV_PCM_STATE_XRUN); 1997 return -EIO; 1998 } 1999 2000 count /= CS_DSP_DATA_WORD_SIZE; 2001 2002 do { 2003 nwords = wm_adsp_buffer_capture_block(compr, count); 2004 if (nwords < 0) { 2005 compr_err(compr, "Failed to capture block: %d\n", 2006 nwords); 2007 return nwords; 2008 } 2009 2010 nbytes = nwords * CS_DSP_DATA_WORD_SIZE; 2011 2012 compr_dbg(compr, "Read %d bytes\n", nbytes); 2013 2014 if (copy_to_user(buf + ntotal, compr->raw_buf, nbytes)) { 2015 compr_err(compr, "Failed to copy data to user: %d, %d\n", 2016 ntotal, nbytes); 2017 return -EFAULT; 2018 } 2019 2020 count -= nwords; 2021 ntotal += nbytes; 2022 } while (nwords > 0 && count > 0); 2023 2024 compr->copied_total += ntotal; 2025 2026 return ntotal; 2027 } 2028 2029 int wm_adsp_compr_copy(struct snd_soc_component *component, 2030 struct snd_compr_stream *stream, char __user *buf, 2031 size_t count) 2032 { 2033 struct wm_adsp_compr *compr = stream->runtime->private_data; 2034 struct wm_adsp *dsp = compr->dsp; 2035 int ret; 2036 2037 guard(mutex)(&dsp->cs_dsp.pwr_lock); 2038 2039 if (stream->direction == SND_COMPRESS_CAPTURE) 2040 ret = wm_adsp_compr_read(compr, buf, count); 2041 else 2042 ret = -ENOTSUPP; 2043 2044 return ret; 2045 } 2046 EXPORT_SYMBOL_GPL(wm_adsp_compr_copy); 2047 2048 static void wm_adsp_fatal_error(struct cs_dsp *cs_dsp) 2049 { 2050 struct wm_adsp *dsp = container_of(cs_dsp, struct wm_adsp, cs_dsp); 2051 struct wm_adsp_compr *compr; 2052 2053 dsp->fatal_error = true; 2054 2055 list_for_each_entry(compr, &dsp->compr_list, list) { 2056 if (compr->stream) 2057 snd_compr_fragment_elapsed(compr->stream); 2058 } 2059 } 2060 2061 irqreturn_t wm_adsp2_bus_error(int irq, void *data) 2062 { 2063 struct wm_adsp *dsp = (struct wm_adsp *)data; 2064 2065 cs_dsp_adsp2_bus_error(&dsp->cs_dsp); 2066 2067 return IRQ_HANDLED; 2068 } 2069 EXPORT_SYMBOL_GPL(wm_adsp2_bus_error); 2070 2071 irqreturn_t wm_halo_bus_error(int irq, void *data) 2072 { 2073 struct wm_adsp *dsp = (struct wm_adsp *)data; 2074 2075 cs_dsp_halo_bus_error(&dsp->cs_dsp); 2076 2077 return IRQ_HANDLED; 2078 } 2079 EXPORT_SYMBOL_GPL(wm_halo_bus_error); 2080 2081 irqreturn_t wm_halo_wdt_expire(int irq, void *data) 2082 { 2083 struct wm_adsp *dsp = data; 2084 2085 cs_dsp_halo_wdt_expire(&dsp->cs_dsp); 2086 2087 return IRQ_HANDLED; 2088 } 2089 EXPORT_SYMBOL_GPL(wm_halo_wdt_expire); 2090 2091 static const struct cs_dsp_client_ops wm_adsp1_client_ops = { 2092 .control_add = wm_adsp_control_add_cb, 2093 .control_remove = wm_adsp_control_remove, 2094 }; 2095 2096 static const struct cs_dsp_client_ops wm_adsp2_client_ops = { 2097 .control_add = wm_adsp_control_add_cb, 2098 .control_remove = wm_adsp_control_remove, 2099 .pre_run = wm_adsp_pre_run, 2100 .post_run = wm_adsp_event_post_run, 2101 .post_stop = wm_adsp_event_post_stop, 2102 .watchdog_expired = wm_adsp_fatal_error, 2103 }; 2104 2105 MODULE_DESCRIPTION("Cirrus Logic ASoC DSP Support"); 2106 MODULE_LICENSE("GPL v2"); 2107 MODULE_IMPORT_NS("FW_CS_DSP"); 2108