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 adsp_dbg(dsp, "Try '%s'\n", fw->filename); 779 ret = wm_adsp_firmware_request(&fw->firmware, fw->filename, cs_dsp->dev); 780 if (ret < 0) { 781 if (ret != -ENOENT) 782 adsp_dbg(dsp, "Failed to request '%s': %d\n", fw->filename, ret); 783 784 kfree(fw->filename); 785 fw->filename = NULL; 786 if (ret != -ENOENT) 787 return ret; 788 } else { 789 adsp_dbg(dsp, "Found '%s'\n", fw->filename); 790 } 791 792 return 0; 793 } 794 795 static const char * const cirrus_dir = "cirrus/"; 796 VISIBLE_IF_KUNIT int wm_adsp_request_firmware_files(struct wm_adsp *dsp, 797 struct wm_adsp_fw_files *fw) 798 { 799 const char *system_name = dsp->system_name; 800 const char *suffix = dsp->component->name_prefix; 801 bool require_bin_suffix = false; 802 int ret = 0; 803 804 if (dsp->fwf_suffix) 805 suffix = dsp->fwf_suffix; 806 807 if (system_name) { 808 ret = wm_adsp_request_firmware_file(dsp, &fw->wmfw, 809 cirrus_dir, system_name, 810 suffix, "wmfw"); 811 if (ret < 0) 812 goto err; 813 814 if (suffix) { 815 if (fw->wmfw.firmware) { 816 require_bin_suffix = true; 817 } else { 818 /* Fallback to name without suffix */ 819 ret = wm_adsp_request_firmware_file(dsp, &fw->wmfw, 820 cirrus_dir, system_name, 821 NULL, "wmfw"); 822 if (ret < 0) 823 goto err; 824 } 825 } 826 827 /* Look for matching .bin file */ 828 if (fw->wmfw.firmware || dsp->wmfw_optional) { 829 ret = wm_adsp_request_firmware_file(dsp, &fw->coeff, 830 cirrus_dir, system_name, 831 suffix, "bin"); 832 if (ret < 0) 833 goto err; 834 835 if (suffix && !fw->coeff.firmware && !require_bin_suffix) { 836 /* Fallback to name without suffix */ 837 ret = wm_adsp_request_firmware_file(dsp, 838 &fw->coeff, 839 cirrus_dir, system_name, 840 NULL, "bin"); 841 if (ret < 0) 842 goto err; 843 } 844 } 845 846 if (fw->wmfw.firmware || (dsp->wmfw_optional && fw->coeff.firmware)) 847 return 0; 848 } 849 850 /* Check legacy location */ 851 ret = wm_adsp_request_firmware_file(dsp, &fw->wmfw, "", NULL, NULL, "wmfw"); 852 if (ret < 0) 853 goto err; 854 855 if (fw->wmfw.firmware) { 856 ret = wm_adsp_request_firmware_file(dsp, &fw->coeff, "", NULL, NULL, "bin"); 857 if (ret < 0) 858 goto err; 859 860 return 0; 861 } 862 863 /* Fall back to generic wmfw and optional matching bin */ 864 ret = wm_adsp_request_firmware_file(dsp, &fw->wmfw, 865 cirrus_dir, NULL, NULL, "wmfw"); 866 if (ret < 0) 867 goto err; 868 869 if (fw->wmfw.firmware || dsp->wmfw_optional) { 870 ret = wm_adsp_request_firmware_file(dsp, &fw->coeff, 871 cirrus_dir, NULL, NULL, "bin"); 872 if (ret < 0) 873 goto err; 874 875 return 0; 876 } 877 878 adsp_err(dsp, "Failed to request firmware <%s>%s-%s-%s<-%s<%s>>.wmfw\n", 879 cirrus_dir, dsp->part, 880 dsp->fwf_name ? dsp->fwf_name : dsp->cs_dsp.name, 881 wm_adsp_fw[dsp->fw].file, system_name, suffix); 882 883 ret = -ENOENT; 884 err: 885 wm_adsp_release_firmware_files(fw); 886 887 return ret; 888 } 889 EXPORT_SYMBOL_IF_KUNIT(wm_adsp_request_firmware_files); 890 891 static int wm_adsp_common_init(struct wm_adsp *dsp) 892 { 893 INIT_LIST_HEAD(&dsp->compr_list); 894 INIT_LIST_HEAD(&dsp->buffer_list); 895 896 return 0; 897 } 898 899 int wm_adsp1_init(struct wm_adsp *dsp) 900 { 901 int ret; 902 903 dsp->cs_dsp.client_ops = &wm_adsp1_client_ops; 904 905 ret = cs_dsp_adsp1_init(&dsp->cs_dsp); 906 if (ret) 907 return ret; 908 909 return wm_adsp_common_init(dsp); 910 } 911 EXPORT_SYMBOL_GPL(wm_adsp1_init); 912 913 int wm_adsp1_event(struct snd_soc_dapm_widget *w, 914 struct snd_kcontrol *kcontrol, 915 int event) 916 { 917 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); 918 struct wm_adsp *dsps = snd_soc_component_get_drvdata(component); 919 struct wm_adsp *dsp = &dsps[w->shift]; 920 struct wm_adsp_fw_files fw = { 0 }; 921 int ret = 0; 922 923 dsp->component = component; 924 925 switch (event) { 926 case SND_SOC_DAPM_POST_PMU: 927 ret = wm_adsp_request_firmware_files(dsp, &fw); 928 if (ret) 929 break; 930 931 ret = cs_dsp_adsp1_power_up(&dsp->cs_dsp, 932 fw.wmfw.firmware, fw.wmfw.filename, 933 fw.coeff.firmware, fw.coeff.filename, 934 wm_adsp_fw_text[dsp->fw]); 935 936 wm_adsp_release_firmware_files(&fw); 937 break; 938 case SND_SOC_DAPM_PRE_PMD: 939 cs_dsp_adsp1_power_down(&dsp->cs_dsp); 940 break; 941 default: 942 break; 943 } 944 945 return ret; 946 } 947 EXPORT_SYMBOL_GPL(wm_adsp1_event); 948 949 int wm_adsp2_set_dspclk(struct snd_soc_dapm_widget *w, unsigned int freq) 950 { 951 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); 952 struct wm_adsp *dsps = snd_soc_component_get_drvdata(component); 953 struct wm_adsp *dsp = &dsps[w->shift]; 954 955 return cs_dsp_set_dspclk(&dsp->cs_dsp, freq); 956 } 957 EXPORT_SYMBOL_GPL(wm_adsp2_set_dspclk); 958 959 int wm_adsp2_preloader_get(struct snd_kcontrol *kcontrol, 960 struct snd_ctl_elem_value *ucontrol) 961 { 962 struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); 963 struct wm_adsp *dsps = snd_soc_component_get_drvdata(component); 964 struct soc_mixer_control *mc = 965 (struct soc_mixer_control *)kcontrol->private_value; 966 struct wm_adsp *dsp = &dsps[mc->shift - 1]; 967 968 ucontrol->value.integer.value[0] = dsp->preloaded; 969 970 return 0; 971 } 972 EXPORT_SYMBOL_GPL(wm_adsp2_preloader_get); 973 974 int wm_adsp2_preloader_put(struct snd_kcontrol *kcontrol, 975 struct snd_ctl_elem_value *ucontrol) 976 { 977 struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); 978 struct wm_adsp *dsps = snd_soc_component_get_drvdata(component); 979 struct snd_soc_dapm_context *dapm = snd_soc_component_to_dapm(component); 980 struct soc_mixer_control *mc = 981 (struct soc_mixer_control *)kcontrol->private_value; 982 struct wm_adsp *dsp = &dsps[mc->shift - 1]; 983 char preload[32]; 984 985 if (dsp->preloaded == ucontrol->value.integer.value[0]) 986 return 0; 987 988 snprintf(preload, ARRAY_SIZE(preload), "%s Preload", dsp->cs_dsp.name); 989 990 if (ucontrol->value.integer.value[0] || dsp->toggle_preload) 991 snd_soc_dapm_force_enable_pin(dapm, preload); 992 else 993 snd_soc_dapm_disable_pin(dapm, preload); 994 995 snd_soc_dapm_sync(dapm); 996 997 flush_work(&dsp->boot_work); 998 999 dsp->preloaded = ucontrol->value.integer.value[0]; 1000 1001 if (dsp->toggle_preload) { 1002 snd_soc_dapm_disable_pin(dapm, preload); 1003 snd_soc_dapm_sync(dapm); 1004 } 1005 1006 return 1; 1007 } 1008 EXPORT_SYMBOL_GPL(wm_adsp2_preloader_put); 1009 1010 int wm_adsp_power_up(struct wm_adsp *dsp, bool load_firmware) 1011 { 1012 struct wm_adsp_fw_files fw = { 0 }; 1013 int ret = 0; 1014 1015 if (load_firmware) { 1016 ret = wm_adsp_request_firmware_files(dsp, &fw); 1017 if (ret) 1018 return ret; 1019 } 1020 1021 if (dsp->bin_mandatory && !fw.coeff.firmware) { 1022 ret = -ENOENT; 1023 goto err; 1024 } 1025 1026 ret = cs_dsp_power_up(&dsp->cs_dsp, 1027 fw.wmfw.firmware, fw.wmfw.filename, 1028 fw.coeff.firmware, fw.coeff.filename, 1029 wm_adsp_fw_text[dsp->fw]); 1030 1031 err: 1032 wm_adsp_release_firmware_files(&fw); 1033 1034 return ret; 1035 } 1036 EXPORT_SYMBOL_GPL(wm_adsp_power_up); 1037 1038 void wm_adsp_power_down(struct wm_adsp *dsp) 1039 { 1040 cs_dsp_power_down(&dsp->cs_dsp); 1041 } 1042 EXPORT_SYMBOL_GPL(wm_adsp_power_down); 1043 1044 static void wm_adsp_boot_work(struct work_struct *work) 1045 { 1046 struct wm_adsp *dsp = container_of(work, 1047 struct wm_adsp, 1048 boot_work); 1049 1050 wm_adsp_power_up(dsp, true); 1051 } 1052 1053 int wm_adsp_early_event(struct snd_soc_dapm_widget *w, 1054 struct snd_kcontrol *kcontrol, int event) 1055 { 1056 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); 1057 struct wm_adsp *dsps = snd_soc_component_get_drvdata(component); 1058 struct wm_adsp *dsp = &dsps[w->shift]; 1059 1060 switch (event) { 1061 case SND_SOC_DAPM_PRE_PMU: 1062 queue_work(system_dfl_wq, &dsp->boot_work); 1063 break; 1064 case SND_SOC_DAPM_PRE_PMD: 1065 wm_adsp_power_down(dsp); 1066 break; 1067 default: 1068 break; 1069 } 1070 1071 return 0; 1072 } 1073 EXPORT_SYMBOL_GPL(wm_adsp_early_event); 1074 1075 static int wm_adsp_pre_run(struct cs_dsp *cs_dsp) 1076 { 1077 struct wm_adsp *dsp = container_of(cs_dsp, struct wm_adsp, cs_dsp); 1078 1079 if (!dsp->pre_run) 1080 return 0; 1081 1082 return (*dsp->pre_run)(dsp); 1083 } 1084 1085 static int wm_adsp_event_post_run(struct cs_dsp *cs_dsp) 1086 { 1087 struct wm_adsp *dsp = container_of(cs_dsp, struct wm_adsp, cs_dsp); 1088 1089 if (wm_adsp_fw[dsp->fw].num_caps != 0) 1090 return wm_adsp_buffer_init(dsp); 1091 1092 return 0; 1093 } 1094 1095 static void wm_adsp_event_post_stop(struct cs_dsp *cs_dsp) 1096 { 1097 struct wm_adsp *dsp = container_of(cs_dsp, struct wm_adsp, cs_dsp); 1098 1099 if (wm_adsp_fw[dsp->fw].num_caps != 0) 1100 wm_adsp_buffer_free(dsp); 1101 1102 dsp->fatal_error = false; 1103 } 1104 1105 int wm_adsp_run(struct wm_adsp *dsp) 1106 { 1107 flush_work(&dsp->boot_work); 1108 1109 return cs_dsp_run(&dsp->cs_dsp); 1110 } 1111 EXPORT_SYMBOL_GPL(wm_adsp_run); 1112 1113 void wm_adsp_stop(struct wm_adsp *dsp) 1114 { 1115 cs_dsp_stop(&dsp->cs_dsp); 1116 } 1117 EXPORT_SYMBOL_GPL(wm_adsp_stop); 1118 1119 void wm_adsp_hibernate(struct wm_adsp *dsp, bool hibernate) 1120 { 1121 cs_dsp_hibernate(&dsp->cs_dsp, hibernate); 1122 } 1123 EXPORT_SYMBOL_GPL(wm_adsp_hibernate); 1124 1125 int wm_adsp_event(struct snd_soc_dapm_widget *w, 1126 struct snd_kcontrol *kcontrol, int event) 1127 { 1128 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); 1129 struct wm_adsp *dsps = snd_soc_component_get_drvdata(component); 1130 struct wm_adsp *dsp = &dsps[w->shift]; 1131 1132 switch (event) { 1133 case SND_SOC_DAPM_POST_PMU: 1134 return wm_adsp_run(dsp); 1135 case SND_SOC_DAPM_PRE_PMD: 1136 wm_adsp_stop(dsp); 1137 return 0; 1138 default: 1139 return 0; 1140 } 1141 } 1142 EXPORT_SYMBOL_GPL(wm_adsp_event); 1143 1144 int wm_adsp2_component_probe(struct wm_adsp *dsp, struct snd_soc_component *component) 1145 { 1146 struct snd_soc_dapm_context *dapm = snd_soc_component_to_dapm(component); 1147 char preload[32]; 1148 1149 if (!dsp->cs_dsp.no_core_startstop) { 1150 snprintf(preload, ARRAY_SIZE(preload), "%s Preload", dsp->cs_dsp.name); 1151 snd_soc_dapm_disable_pin(dapm, preload); 1152 } 1153 1154 cs_dsp_init_debugfs(&dsp->cs_dsp, component->debugfs_root); 1155 1156 dsp->component = component; 1157 1158 return 0; 1159 } 1160 EXPORT_SYMBOL_GPL(wm_adsp2_component_probe); 1161 1162 int wm_adsp2_component_remove(struct wm_adsp *dsp, struct snd_soc_component *component) 1163 { 1164 if (!dsp) 1165 return 0; 1166 1167 if (!dsp->component) 1168 return 0; 1169 1170 cs_dsp_cleanup_debugfs(&dsp->cs_dsp); 1171 dsp->component = NULL; 1172 1173 return 0; 1174 } 1175 EXPORT_SYMBOL_GPL(wm_adsp2_component_remove); 1176 1177 int wm_adsp2_init(struct wm_adsp *dsp) 1178 { 1179 int ret; 1180 1181 INIT_WORK(&dsp->boot_work, wm_adsp_boot_work); 1182 1183 dsp->sys_config_size = sizeof(struct wm_adsp_system_config_xm_hdr); 1184 dsp->cs_dsp.client_ops = &wm_adsp2_client_ops; 1185 1186 ret = cs_dsp_adsp2_init(&dsp->cs_dsp); 1187 if (ret) 1188 return ret; 1189 1190 return wm_adsp_common_init(dsp); 1191 } 1192 EXPORT_SYMBOL_GPL(wm_adsp2_init); 1193 1194 int wm_halo_init(struct wm_adsp *dsp) 1195 { 1196 int ret; 1197 1198 INIT_WORK(&dsp->boot_work, wm_adsp_boot_work); 1199 1200 dsp->sys_config_size = sizeof(struct wm_halo_system_config_xm_hdr); 1201 dsp->cs_dsp.client_ops = &wm_adsp2_client_ops; 1202 1203 ret = cs_dsp_halo_init(&dsp->cs_dsp); 1204 if (ret) 1205 return ret; 1206 1207 return wm_adsp_common_init(dsp); 1208 } 1209 EXPORT_SYMBOL_GPL(wm_halo_init); 1210 1211 void wm_adsp2_remove(struct wm_adsp *dsp) 1212 { 1213 cs_dsp_remove(&dsp->cs_dsp); 1214 } 1215 EXPORT_SYMBOL_GPL(wm_adsp2_remove); 1216 1217 static inline int wm_adsp_compr_attached(struct wm_adsp_compr *compr) 1218 { 1219 return compr->buf != NULL; 1220 } 1221 1222 static int wm_adsp_compr_attach(struct wm_adsp_compr *compr) 1223 { 1224 struct wm_adsp_compr_buf *buf = NULL, *tmp; 1225 1226 if (compr->dsp->fatal_error) 1227 return -EINVAL; 1228 1229 list_for_each_entry(tmp, &compr->dsp->buffer_list, list) { 1230 if (!tmp->name || !strcmp(compr->name, tmp->name)) { 1231 buf = tmp; 1232 break; 1233 } 1234 } 1235 1236 if (!buf) 1237 return -EINVAL; 1238 1239 compr->buf = buf; 1240 buf->compr = compr; 1241 1242 return 0; 1243 } 1244 1245 static void wm_adsp_compr_detach(struct wm_adsp_compr *compr) 1246 { 1247 if (!compr) 1248 return; 1249 1250 /* Wake the poll so it can see buffer is no longer attached */ 1251 if (compr->stream) 1252 snd_compr_fragment_elapsed(compr->stream); 1253 1254 if (wm_adsp_compr_attached(compr)) { 1255 compr->buf->compr = NULL; 1256 compr->buf = NULL; 1257 } 1258 } 1259 1260 int wm_adsp_compr_open(struct wm_adsp *dsp, struct snd_compr_stream *stream) 1261 { 1262 struct wm_adsp_compr *compr, *tmp; 1263 struct snd_soc_pcm_runtime *rtd = stream->private_data; 1264 1265 guard(mutex)(&dsp->cs_dsp.pwr_lock); 1266 1267 if (wm_adsp_fw[dsp->fw].num_caps == 0) { 1268 adsp_err(dsp, "%s: Firmware does not support compressed API\n", 1269 snd_soc_rtd_to_codec(rtd, 0)->name); 1270 return -ENXIO; 1271 } 1272 1273 if (wm_adsp_fw[dsp->fw].compr_direction != stream->direction) { 1274 adsp_err(dsp, "%s: Firmware does not support stream direction\n", 1275 snd_soc_rtd_to_codec(rtd, 0)->name); 1276 return -EINVAL; 1277 } 1278 1279 list_for_each_entry(tmp, &dsp->compr_list, list) { 1280 if (!strcmp(tmp->name, snd_soc_rtd_to_codec(rtd, 0)->name)) { 1281 adsp_err(dsp, "%s: Only a single stream supported per dai\n", 1282 snd_soc_rtd_to_codec(rtd, 0)->name); 1283 return -EBUSY; 1284 } 1285 } 1286 1287 compr = kzalloc_obj(*compr); 1288 if (!compr) 1289 return -ENOMEM; 1290 1291 compr->dsp = dsp; 1292 compr->stream = stream; 1293 compr->name = snd_soc_rtd_to_codec(rtd, 0)->name; 1294 1295 list_add_tail(&compr->list, &dsp->compr_list); 1296 1297 stream->runtime->private_data = compr; 1298 1299 return 0; 1300 } 1301 EXPORT_SYMBOL_GPL(wm_adsp_compr_open); 1302 1303 int wm_adsp_compr_free(struct snd_soc_component *component, 1304 struct snd_compr_stream *stream) 1305 { 1306 struct wm_adsp_compr *compr = stream->runtime->private_data; 1307 struct wm_adsp *dsp = compr->dsp; 1308 1309 guard(mutex)(&dsp->cs_dsp.pwr_lock); 1310 1311 wm_adsp_compr_detach(compr); 1312 list_del(&compr->list); 1313 1314 kfree(compr->raw_buf); 1315 kfree(compr); 1316 1317 return 0; 1318 } 1319 EXPORT_SYMBOL_GPL(wm_adsp_compr_free); 1320 1321 static int wm_adsp_compr_check_params(struct snd_compr_stream *stream, 1322 struct snd_compr_params *params) 1323 { 1324 struct wm_adsp_compr *compr = stream->runtime->private_data; 1325 struct wm_adsp *dsp = compr->dsp; 1326 const struct wm_adsp_fw_caps *caps; 1327 const struct snd_codec_desc *desc; 1328 int i, j; 1329 1330 if (params->buffer.fragment_size < WM_ADSP_MIN_FRAGMENT_SIZE || 1331 params->buffer.fragment_size > WM_ADSP_MAX_FRAGMENT_SIZE || 1332 params->buffer.fragments < WM_ADSP_MIN_FRAGMENTS || 1333 params->buffer.fragments > WM_ADSP_MAX_FRAGMENTS || 1334 params->buffer.fragment_size % CS_DSP_DATA_WORD_SIZE) { 1335 compr_err(compr, "Invalid buffer fragsize=%d fragments=%d\n", 1336 params->buffer.fragment_size, 1337 params->buffer.fragments); 1338 1339 return -EINVAL; 1340 } 1341 1342 for (i = 0; i < wm_adsp_fw[dsp->fw].num_caps; i++) { 1343 caps = &wm_adsp_fw[dsp->fw].caps[i]; 1344 desc = &caps->desc; 1345 1346 if (caps->id != params->codec.id) 1347 continue; 1348 1349 if (stream->direction == SND_COMPRESS_PLAYBACK) { 1350 if (desc->max_ch < params->codec.ch_out) 1351 continue; 1352 } else { 1353 if (desc->max_ch < params->codec.ch_in) 1354 continue; 1355 } 1356 1357 if (!(desc->formats & (1 << params->codec.format))) 1358 continue; 1359 1360 for (j = 0; j < desc->num_sample_rates; ++j) 1361 if (desc->sample_rates[j] == params->codec.sample_rate) 1362 return 0; 1363 } 1364 1365 compr_err(compr, "Invalid params id=%u ch=%u,%u rate=%u fmt=%u\n", 1366 params->codec.id, params->codec.ch_in, params->codec.ch_out, 1367 params->codec.sample_rate, params->codec.format); 1368 return -EINVAL; 1369 } 1370 1371 static inline unsigned int wm_adsp_compr_frag_words(struct wm_adsp_compr *compr) 1372 { 1373 return compr->size.fragment_size / CS_DSP_DATA_WORD_SIZE; 1374 } 1375 1376 int wm_adsp_compr_set_params(struct snd_soc_component *component, 1377 struct snd_compr_stream *stream, 1378 struct snd_compr_params *params) 1379 { 1380 struct wm_adsp_compr *compr = stream->runtime->private_data; 1381 unsigned int size; 1382 int ret; 1383 1384 ret = wm_adsp_compr_check_params(stream, params); 1385 if (ret) 1386 return ret; 1387 1388 compr->size = params->buffer; 1389 1390 compr_dbg(compr, "fragment_size=%d fragments=%d\n", 1391 compr->size.fragment_size, compr->size.fragments); 1392 1393 size = wm_adsp_compr_frag_words(compr) * sizeof(*compr->raw_buf); 1394 compr->raw_buf = kmalloc(size, GFP_DMA | GFP_KERNEL); 1395 if (!compr->raw_buf) 1396 return -ENOMEM; 1397 1398 compr->sample_rate = params->codec.sample_rate; 1399 1400 return 0; 1401 } 1402 EXPORT_SYMBOL_GPL(wm_adsp_compr_set_params); 1403 1404 int wm_adsp_compr_get_caps(struct snd_soc_component *component, 1405 struct snd_compr_stream *stream, 1406 struct snd_compr_caps *caps) 1407 { 1408 struct wm_adsp_compr *compr = stream->runtime->private_data; 1409 int fw = compr->dsp->fw; 1410 int i; 1411 1412 if (wm_adsp_fw[fw].caps) { 1413 for (i = 0; i < wm_adsp_fw[fw].num_caps; i++) 1414 caps->codecs[i] = wm_adsp_fw[fw].caps[i].id; 1415 1416 caps->num_codecs = i; 1417 caps->direction = wm_adsp_fw[fw].compr_direction; 1418 1419 caps->min_fragment_size = WM_ADSP_MIN_FRAGMENT_SIZE; 1420 caps->max_fragment_size = WM_ADSP_MAX_FRAGMENT_SIZE; 1421 caps->min_fragments = WM_ADSP_MIN_FRAGMENTS; 1422 caps->max_fragments = WM_ADSP_MAX_FRAGMENTS; 1423 } 1424 1425 return 0; 1426 } 1427 EXPORT_SYMBOL_GPL(wm_adsp_compr_get_caps); 1428 1429 static inline int wm_adsp_buffer_read(struct wm_adsp_compr_buf *buf, 1430 unsigned int field_offset, u32 *data) 1431 { 1432 return cs_dsp_read_data_word(&buf->dsp->cs_dsp, buf->host_buf_mem_type, 1433 buf->host_buf_ptr + field_offset, data); 1434 } 1435 1436 static inline int wm_adsp_buffer_write(struct wm_adsp_compr_buf *buf, 1437 unsigned int field_offset, u32 data) 1438 { 1439 return cs_dsp_write_data_word(&buf->dsp->cs_dsp, buf->host_buf_mem_type, 1440 buf->host_buf_ptr + field_offset, 1441 data); 1442 } 1443 1444 static int wm_adsp_buffer_populate(struct wm_adsp_compr_buf *buf) 1445 { 1446 const struct wm_adsp_fw_caps *caps = wm_adsp_fw[buf->dsp->fw].caps; 1447 struct wm_adsp_buffer_region *region; 1448 u32 offset = 0; 1449 int i, ret; 1450 1451 buf->regions = kzalloc_objs(*buf->regions, caps->num_regions); 1452 if (!buf->regions) 1453 return -ENOMEM; 1454 1455 for (i = 0; i < caps->num_regions; ++i) { 1456 region = &buf->regions[i]; 1457 1458 region->offset = offset; 1459 region->mem_type = caps->region_defs[i].mem_type; 1460 1461 ret = wm_adsp_buffer_read(buf, caps->region_defs[i].base_offset, 1462 ®ion->base_addr); 1463 if (ret < 0) 1464 goto err; 1465 1466 ret = wm_adsp_buffer_read(buf, caps->region_defs[i].size_offset, 1467 &offset); 1468 if (ret < 0) 1469 goto err; 1470 1471 region->cumulative_size = offset; 1472 1473 compr_dbg(buf, 1474 "region=%d type=%d base=%08x off=%08x size=%08x\n", 1475 i, region->mem_type, region->base_addr, 1476 region->offset, region->cumulative_size); 1477 } 1478 1479 return 0; 1480 1481 err: 1482 kfree(buf->regions); 1483 return ret; 1484 } 1485 1486 static void wm_adsp_buffer_clear(struct wm_adsp_compr_buf *buf) 1487 { 1488 buf->irq_count = 0xFFFFFFFF; 1489 buf->read_index = -1; 1490 buf->avail = 0; 1491 } 1492 1493 static struct wm_adsp_compr_buf *wm_adsp_buffer_alloc(struct wm_adsp *dsp) 1494 { 1495 struct wm_adsp_compr_buf *buf; 1496 1497 buf = kzalloc_obj(*buf); 1498 if (!buf) 1499 return NULL; 1500 1501 buf->dsp = dsp; 1502 1503 wm_adsp_buffer_clear(buf); 1504 1505 return buf; 1506 } 1507 1508 static int wm_adsp_buffer_parse_legacy(struct wm_adsp *dsp) 1509 { 1510 struct cs_dsp_alg_region *alg_region; 1511 struct wm_adsp_compr_buf *buf; 1512 u32 xmalg, addr, magic; 1513 int i, ret; 1514 1515 alg_region = cs_dsp_find_alg_region(&dsp->cs_dsp, WMFW_ADSP2_XM, dsp->cs_dsp.fw_id); 1516 if (!alg_region) { 1517 adsp_err(dsp, "No algorithm region found\n"); 1518 return -EINVAL; 1519 } 1520 1521 xmalg = dsp->sys_config_size / sizeof(__be32); 1522 1523 addr = alg_region->base + xmalg + ALG_XM_FIELD(magic); 1524 ret = cs_dsp_read_data_word(&dsp->cs_dsp, WMFW_ADSP2_XM, addr, &magic); 1525 if (ret < 0) 1526 return ret; 1527 1528 if (magic != WM_ADSP_ALG_XM_STRUCT_MAGIC) 1529 return -ENODEV; 1530 1531 buf = wm_adsp_buffer_alloc(dsp); 1532 if (!buf) 1533 return -ENOMEM; 1534 1535 addr = alg_region->base + xmalg + ALG_XM_FIELD(host_buf_ptr); 1536 for (i = 0; i < 5; ++i) { 1537 ret = cs_dsp_read_data_word(&dsp->cs_dsp, WMFW_ADSP2_XM, addr, 1538 &buf->host_buf_ptr); 1539 if (ret < 0) 1540 goto err; 1541 1542 if (buf->host_buf_ptr) 1543 break; 1544 1545 usleep_range(1000, 2000); 1546 } 1547 1548 if (!buf->host_buf_ptr) { 1549 ret = -EIO; 1550 goto err; 1551 } 1552 1553 buf->host_buf_mem_type = WMFW_ADSP2_XM; 1554 1555 ret = wm_adsp_buffer_populate(buf); 1556 if (ret < 0) 1557 goto err; 1558 1559 list_add_tail(&buf->list, &dsp->buffer_list); 1560 1561 compr_dbg(buf, "legacy host_buf_ptr=%x\n", buf->host_buf_ptr); 1562 1563 return 0; 1564 1565 err: 1566 kfree(buf); 1567 1568 return ret; 1569 } 1570 1571 static int wm_adsp_buffer_parse_coeff(struct cs_dsp_coeff_ctl *cs_ctl) 1572 { 1573 struct wm_adsp_host_buf_coeff_v1 coeff_v1; 1574 struct wm_adsp_compr_buf *buf; 1575 struct wm_adsp *dsp = container_of(cs_ctl->dsp, struct wm_adsp, cs_dsp); 1576 unsigned int version = 0; 1577 int ret, i; 1578 1579 for (i = 0; i < 5; ++i) { 1580 ret = cs_dsp_coeff_read_ctrl(cs_ctl, 0, &coeff_v1, 1581 min((size_t)cs_ctl->len, sizeof(coeff_v1))); 1582 if (ret < 0) 1583 return ret; 1584 1585 if (coeff_v1.host_buf_ptr) 1586 break; 1587 1588 usleep_range(1000, 2000); 1589 } 1590 1591 if (!coeff_v1.host_buf_ptr) { 1592 adsp_err(dsp, "Failed to acquire host buffer\n"); 1593 return -EIO; 1594 } 1595 1596 buf = wm_adsp_buffer_alloc(dsp); 1597 if (!buf) 1598 return -ENOMEM; 1599 1600 buf->host_buf_mem_type = cs_ctl->alg_region.type; 1601 buf->host_buf_ptr = be32_to_cpu(coeff_v1.host_buf_ptr); 1602 1603 ret = wm_adsp_buffer_populate(buf); 1604 if (ret < 0) 1605 goto err; 1606 1607 /* 1608 * v0 host_buffer coefficients didn't have versioning, so if the 1609 * control is one word, assume version 0. 1610 */ 1611 if (cs_ctl->len == 4) 1612 goto done; 1613 1614 version = be32_to_cpu(coeff_v1.versions) & HOST_BUF_COEFF_COMPAT_VER_MASK; 1615 version >>= HOST_BUF_COEFF_COMPAT_VER_SHIFT; 1616 1617 if (version > HOST_BUF_COEFF_SUPPORTED_COMPAT_VER) { 1618 adsp_err(dsp, 1619 "Host buffer coeff ver %u > supported version %u\n", 1620 version, HOST_BUF_COEFF_SUPPORTED_COMPAT_VER); 1621 ret = -EINVAL; 1622 goto err; 1623 } 1624 1625 cs_dsp_remove_padding((u32 *)&coeff_v1.name, ARRAY_SIZE(coeff_v1.name)); 1626 1627 buf->name = kasprintf(GFP_KERNEL, "%s-dsp-%s", dsp->part, 1628 (char *)&coeff_v1.name); 1629 1630 done: 1631 list_add_tail(&buf->list, &dsp->buffer_list); 1632 1633 compr_dbg(buf, "host_buf_ptr=%x coeff version %u\n", 1634 buf->host_buf_ptr, version); 1635 1636 return version; 1637 1638 err: 1639 kfree(buf); 1640 1641 return ret; 1642 } 1643 1644 static int wm_adsp_buffer_init(struct wm_adsp *dsp) 1645 { 1646 struct cs_dsp_coeff_ctl *cs_ctl; 1647 int ret; 1648 1649 list_for_each_entry(cs_ctl, &dsp->cs_dsp.ctl_list, list) { 1650 if (cs_ctl->type != WMFW_CTL_TYPE_HOST_BUFFER) 1651 continue; 1652 1653 if (!cs_ctl->enabled) 1654 continue; 1655 1656 ret = wm_adsp_buffer_parse_coeff(cs_ctl); 1657 if (ret < 0) { 1658 adsp_err(dsp, "Failed to parse coeff: %d\n", ret); 1659 goto error; 1660 } else if (ret == 0) { 1661 /* Only one buffer supported for version 0 */ 1662 return 0; 1663 } 1664 } 1665 1666 if (list_empty(&dsp->buffer_list)) { 1667 /* Fall back to legacy support */ 1668 ret = wm_adsp_buffer_parse_legacy(dsp); 1669 if (ret == -ENODEV) 1670 adsp_info(dsp, "Legacy support not available\n"); 1671 else if (ret) 1672 adsp_warn(dsp, "Failed to parse legacy: %d\n", ret); 1673 } 1674 1675 return 0; 1676 1677 error: 1678 wm_adsp_buffer_free(dsp); 1679 return ret; 1680 } 1681 1682 static int wm_adsp_buffer_free(struct wm_adsp *dsp) 1683 { 1684 struct wm_adsp_compr_buf *buf, *tmp; 1685 1686 list_for_each_entry_safe(buf, tmp, &dsp->buffer_list, list) { 1687 wm_adsp_compr_detach(buf->compr); 1688 1689 kfree(buf->name); 1690 kfree(buf->regions); 1691 list_del(&buf->list); 1692 kfree(buf); 1693 } 1694 1695 return 0; 1696 } 1697 1698 static int wm_adsp_buffer_get_error(struct wm_adsp_compr_buf *buf) 1699 { 1700 int ret; 1701 1702 ret = wm_adsp_buffer_read(buf, HOST_BUFFER_FIELD(error), &buf->error); 1703 if (ret < 0) { 1704 compr_err(buf, "Failed to check buffer error: %d\n", ret); 1705 return ret; 1706 } 1707 if (buf->error != 0) { 1708 compr_err(buf, "Buffer error occurred: %d\n", buf->error); 1709 return -EIO; 1710 } 1711 1712 return 0; 1713 } 1714 1715 int wm_adsp_compr_trigger(struct snd_soc_component *component, 1716 struct snd_compr_stream *stream, int cmd) 1717 { 1718 struct wm_adsp_compr *compr = stream->runtime->private_data; 1719 struct wm_adsp *dsp = compr->dsp; 1720 int ret = 0; 1721 1722 compr_dbg(compr, "Trigger: %d\n", cmd); 1723 1724 guard(mutex)(&dsp->cs_dsp.pwr_lock); 1725 1726 switch (cmd) { 1727 case SNDRV_PCM_TRIGGER_START: 1728 if (!wm_adsp_compr_attached(compr)) { 1729 ret = wm_adsp_compr_attach(compr); 1730 if (ret < 0) { 1731 compr_err(compr, "Failed to link buffer and stream: %d\n", 1732 ret); 1733 break; 1734 } 1735 } 1736 1737 ret = wm_adsp_buffer_get_error(compr->buf); 1738 if (ret < 0) 1739 break; 1740 1741 /* Trigger the IRQ at one fragment of data */ 1742 ret = wm_adsp_buffer_write(compr->buf, 1743 HOST_BUFFER_FIELD(high_water_mark), 1744 wm_adsp_compr_frag_words(compr)); 1745 if (ret < 0) { 1746 compr_err(compr, "Failed to set high water mark: %d\n", 1747 ret); 1748 break; 1749 } 1750 break; 1751 case SNDRV_PCM_TRIGGER_STOP: 1752 if (wm_adsp_compr_attached(compr)) 1753 wm_adsp_buffer_clear(compr->buf); 1754 break; 1755 default: 1756 ret = -EINVAL; 1757 break; 1758 } 1759 1760 return ret; 1761 } 1762 EXPORT_SYMBOL_GPL(wm_adsp_compr_trigger); 1763 1764 static inline int wm_adsp_buffer_size(struct wm_adsp_compr_buf *buf) 1765 { 1766 int last_region = wm_adsp_fw[buf->dsp->fw].caps->num_regions - 1; 1767 1768 return buf->regions[last_region].cumulative_size; 1769 } 1770 1771 static int wm_adsp_buffer_update_avail(struct wm_adsp_compr_buf *buf) 1772 { 1773 u32 next_read_index, next_write_index; 1774 int write_index, read_index, avail; 1775 int ret; 1776 1777 /* Only sync read index if we haven't already read a valid index */ 1778 if (buf->read_index < 0) { 1779 ret = wm_adsp_buffer_read(buf, 1780 HOST_BUFFER_FIELD(next_read_index), 1781 &next_read_index); 1782 if (ret < 0) 1783 return ret; 1784 1785 read_index = sign_extend32(next_read_index, 23); 1786 1787 if (read_index < 0) { 1788 compr_dbg(buf, "Avail check on unstarted stream\n"); 1789 return 0; 1790 } 1791 1792 buf->read_index = read_index; 1793 } 1794 1795 ret = wm_adsp_buffer_read(buf, HOST_BUFFER_FIELD(next_write_index), 1796 &next_write_index); 1797 if (ret < 0) 1798 return ret; 1799 1800 write_index = sign_extend32(next_write_index, 23); 1801 1802 avail = write_index - buf->read_index; 1803 if (avail < 0) 1804 avail += wm_adsp_buffer_size(buf); 1805 1806 compr_dbg(buf, "readindex=0x%x, writeindex=0x%x, avail=%d\n", 1807 buf->read_index, write_index, avail * CS_DSP_DATA_WORD_SIZE); 1808 1809 buf->avail = avail; 1810 1811 return 0; 1812 } 1813 1814 int wm_adsp_compr_handle_irq(struct wm_adsp *dsp) 1815 { 1816 struct wm_adsp_compr_buf *buf; 1817 struct wm_adsp_compr *compr; 1818 int ret = 0; 1819 1820 mutex_lock(&dsp->cs_dsp.pwr_lock); 1821 1822 if (list_empty(&dsp->buffer_list)) { 1823 ret = -ENODEV; 1824 goto out; 1825 } 1826 1827 adsp_dbg(dsp, "Handling buffer IRQ\n"); 1828 1829 list_for_each_entry(buf, &dsp->buffer_list, list) { 1830 compr = buf->compr; 1831 1832 ret = wm_adsp_buffer_get_error(buf); 1833 if (ret < 0) 1834 goto out_notify; /* Wake poll to report error */ 1835 1836 ret = wm_adsp_buffer_read(buf, HOST_BUFFER_FIELD(irq_count), 1837 &buf->irq_count); 1838 if (ret < 0) { 1839 compr_err(buf, "Failed to get irq_count: %d\n", ret); 1840 goto out; 1841 } 1842 1843 ret = wm_adsp_buffer_update_avail(buf); 1844 if (ret < 0) { 1845 compr_err(buf, "Error reading avail: %d\n", ret); 1846 goto out; 1847 } 1848 1849 if (wm_adsp_fw[dsp->fw].voice_trigger && buf->irq_count == 2) 1850 ret = WM_ADSP_COMPR_VOICE_TRIGGER; 1851 1852 out_notify: 1853 if (compr && compr->stream) 1854 snd_compr_fragment_elapsed(compr->stream); 1855 } 1856 1857 out: 1858 mutex_unlock(&dsp->cs_dsp.pwr_lock); 1859 1860 return ret; 1861 } 1862 EXPORT_SYMBOL_GPL(wm_adsp_compr_handle_irq); 1863 1864 static int wm_adsp_buffer_reenable_irq(struct wm_adsp_compr_buf *buf) 1865 { 1866 if (buf->irq_count & 0x01) 1867 return 0; 1868 1869 compr_dbg(buf, "Enable IRQ(0x%x) for next fragment\n", buf->irq_count); 1870 1871 buf->irq_count |= 0x01; 1872 1873 return wm_adsp_buffer_write(buf, HOST_BUFFER_FIELD(irq_ack), 1874 buf->irq_count); 1875 } 1876 1877 int wm_adsp_compr_pointer(struct snd_soc_component *component, 1878 struct snd_compr_stream *stream, 1879 struct snd_compr_tstamp64 *tstamp) 1880 { 1881 struct wm_adsp_compr *compr = stream->runtime->private_data; 1882 struct wm_adsp *dsp = compr->dsp; 1883 struct wm_adsp_compr_buf *buf; 1884 int ret = 0; 1885 1886 compr_dbg(compr, "Pointer request\n"); 1887 1888 guard(mutex)(&dsp->cs_dsp.pwr_lock); 1889 1890 buf = compr->buf; 1891 1892 if (dsp->fatal_error || !buf || buf->error) { 1893 snd_compr_stop_error(stream, SNDRV_PCM_STATE_XRUN); 1894 return -EIO; 1895 } 1896 1897 if (buf->avail < wm_adsp_compr_frag_words(compr)) { 1898 ret = wm_adsp_buffer_update_avail(buf); 1899 if (ret < 0) { 1900 compr_err(compr, "Error reading avail: %d\n", ret); 1901 return ret; 1902 } 1903 1904 /* 1905 * If we really have less than 1 fragment available tell the 1906 * DSP to inform us once a whole fragment is available. 1907 */ 1908 if (buf->avail < wm_adsp_compr_frag_words(compr)) { 1909 ret = wm_adsp_buffer_get_error(buf); 1910 if (ret < 0) { 1911 if (buf->error) 1912 snd_compr_stop_error(stream, 1913 SNDRV_PCM_STATE_XRUN); 1914 return ret; 1915 } 1916 1917 ret = wm_adsp_buffer_reenable_irq(buf); 1918 if (ret < 0) { 1919 compr_err(compr, "Failed to re-enable buffer IRQ: %d\n", 1920 ret); 1921 return ret; 1922 } 1923 } 1924 } 1925 1926 tstamp->copied_total = compr->copied_total; 1927 tstamp->copied_total += buf->avail * CS_DSP_DATA_WORD_SIZE; 1928 tstamp->sampling_rate = compr->sample_rate; 1929 1930 return ret; 1931 } 1932 EXPORT_SYMBOL_GPL(wm_adsp_compr_pointer); 1933 1934 static int wm_adsp_buffer_capture_block(struct wm_adsp_compr *compr, int target) 1935 { 1936 struct wm_adsp_compr_buf *buf = compr->buf; 1937 unsigned int adsp_addr; 1938 int mem_type, nwords, max_read; 1939 int i, ret; 1940 1941 /* Calculate read parameters */ 1942 for (i = 0; i < wm_adsp_fw[buf->dsp->fw].caps->num_regions; ++i) 1943 if (buf->read_index < buf->regions[i].cumulative_size) 1944 break; 1945 1946 if (i == wm_adsp_fw[buf->dsp->fw].caps->num_regions) 1947 return -EINVAL; 1948 1949 mem_type = buf->regions[i].mem_type; 1950 adsp_addr = buf->regions[i].base_addr + 1951 (buf->read_index - buf->regions[i].offset); 1952 1953 max_read = wm_adsp_compr_frag_words(compr); 1954 nwords = buf->regions[i].cumulative_size - buf->read_index; 1955 1956 if (nwords > target) 1957 nwords = target; 1958 if (nwords > buf->avail) 1959 nwords = buf->avail; 1960 if (nwords > max_read) 1961 nwords = max_read; 1962 if (!nwords) 1963 return 0; 1964 1965 /* Read data from DSP */ 1966 ret = cs_dsp_read_raw_data_block(&buf->dsp->cs_dsp, mem_type, adsp_addr, 1967 nwords, (__be32 *)compr->raw_buf); 1968 if (ret < 0) 1969 return ret; 1970 1971 cs_dsp_remove_padding(compr->raw_buf, nwords); 1972 1973 /* update read index to account for words read */ 1974 buf->read_index += nwords; 1975 if (buf->read_index == wm_adsp_buffer_size(buf)) 1976 buf->read_index = 0; 1977 1978 ret = wm_adsp_buffer_write(buf, HOST_BUFFER_FIELD(next_read_index), 1979 buf->read_index); 1980 if (ret < 0) 1981 return ret; 1982 1983 /* update avail to account for words read */ 1984 buf->avail -= nwords; 1985 1986 return nwords; 1987 } 1988 1989 static int wm_adsp_compr_read(struct wm_adsp_compr *compr, 1990 char __user *buf, size_t count) 1991 { 1992 struct wm_adsp *dsp = compr->dsp; 1993 int ntotal = 0; 1994 int nwords, nbytes; 1995 1996 compr_dbg(compr, "Requested read of %zu bytes\n", count); 1997 1998 if (dsp->fatal_error || !compr->buf || compr->buf->error) { 1999 snd_compr_stop_error(compr->stream, SNDRV_PCM_STATE_XRUN); 2000 return -EIO; 2001 } 2002 2003 count /= CS_DSP_DATA_WORD_SIZE; 2004 2005 do { 2006 nwords = wm_adsp_buffer_capture_block(compr, count); 2007 if (nwords < 0) { 2008 compr_err(compr, "Failed to capture block: %d\n", 2009 nwords); 2010 return nwords; 2011 } 2012 2013 nbytes = nwords * CS_DSP_DATA_WORD_SIZE; 2014 2015 compr_dbg(compr, "Read %d bytes\n", nbytes); 2016 2017 if (copy_to_user(buf + ntotal, compr->raw_buf, nbytes)) { 2018 compr_err(compr, "Failed to copy data to user: %d, %d\n", 2019 ntotal, nbytes); 2020 return -EFAULT; 2021 } 2022 2023 count -= nwords; 2024 ntotal += nbytes; 2025 } while (nwords > 0 && count > 0); 2026 2027 compr->copied_total += ntotal; 2028 2029 return ntotal; 2030 } 2031 2032 int wm_adsp_compr_copy(struct snd_soc_component *component, 2033 struct snd_compr_stream *stream, char __user *buf, 2034 size_t count) 2035 { 2036 struct wm_adsp_compr *compr = stream->runtime->private_data; 2037 struct wm_adsp *dsp = compr->dsp; 2038 int ret; 2039 2040 guard(mutex)(&dsp->cs_dsp.pwr_lock); 2041 2042 if (stream->direction == SND_COMPRESS_CAPTURE) 2043 ret = wm_adsp_compr_read(compr, buf, count); 2044 else 2045 ret = -ENOTSUPP; 2046 2047 return ret; 2048 } 2049 EXPORT_SYMBOL_GPL(wm_adsp_compr_copy); 2050 2051 static void wm_adsp_fatal_error(struct cs_dsp *cs_dsp) 2052 { 2053 struct wm_adsp *dsp = container_of(cs_dsp, struct wm_adsp, cs_dsp); 2054 struct wm_adsp_compr *compr; 2055 2056 dsp->fatal_error = true; 2057 2058 list_for_each_entry(compr, &dsp->compr_list, list) { 2059 if (compr->stream) 2060 snd_compr_fragment_elapsed(compr->stream); 2061 } 2062 } 2063 2064 irqreturn_t wm_adsp2_bus_error(int irq, void *data) 2065 { 2066 struct wm_adsp *dsp = (struct wm_adsp *)data; 2067 2068 cs_dsp_adsp2_bus_error(&dsp->cs_dsp); 2069 2070 return IRQ_HANDLED; 2071 } 2072 EXPORT_SYMBOL_GPL(wm_adsp2_bus_error); 2073 2074 irqreturn_t wm_halo_bus_error(int irq, void *data) 2075 { 2076 struct wm_adsp *dsp = (struct wm_adsp *)data; 2077 2078 cs_dsp_halo_bus_error(&dsp->cs_dsp); 2079 2080 return IRQ_HANDLED; 2081 } 2082 EXPORT_SYMBOL_GPL(wm_halo_bus_error); 2083 2084 irqreturn_t wm_halo_wdt_expire(int irq, void *data) 2085 { 2086 struct wm_adsp *dsp = data; 2087 2088 cs_dsp_halo_wdt_expire(&dsp->cs_dsp); 2089 2090 return IRQ_HANDLED; 2091 } 2092 EXPORT_SYMBOL_GPL(wm_halo_wdt_expire); 2093 2094 static const struct cs_dsp_client_ops wm_adsp1_client_ops = { 2095 .control_add = wm_adsp_control_add_cb, 2096 .control_remove = wm_adsp_control_remove, 2097 }; 2098 2099 static const struct cs_dsp_client_ops wm_adsp2_client_ops = { 2100 .control_add = wm_adsp_control_add_cb, 2101 .control_remove = wm_adsp_control_remove, 2102 .pre_run = wm_adsp_pre_run, 2103 .post_run = wm_adsp_event_post_run, 2104 .post_stop = wm_adsp_event_post_stop, 2105 .watchdog_expired = wm_adsp_fatal_error, 2106 }; 2107 2108 MODULE_DESCRIPTION("Cirrus Logic ASoC DSP Support"); 2109 MODULE_LICENSE("GPL v2"); 2110 MODULE_IMPORT_NS("FW_CS_DSP"); 2111