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 int ret = 1; 352 353 if (ucontrol->value.enumerated.item[0] == dsp[e->shift_l].fw) 354 return 0; 355 356 if (ucontrol->value.enumerated.item[0] >= WM_ADSP_NUM_FW) 357 return -EINVAL; 358 359 mutex_lock(&dsp[e->shift_l].cs_dsp.pwr_lock); 360 361 if (dsp[e->shift_l].cs_dsp.booted || !list_empty(&dsp[e->shift_l].compr_list)) 362 ret = -EBUSY; 363 else 364 dsp[e->shift_l].fw = ucontrol->value.enumerated.item[0]; 365 366 mutex_unlock(&dsp[e->shift_l].cs_dsp.pwr_lock); 367 368 return ret; 369 } 370 EXPORT_SYMBOL_GPL(wm_adsp_fw_put); 371 372 const struct soc_enum wm_adsp_fw_enum[] = { 373 SOC_ENUM_SINGLE(0, 0, ARRAY_SIZE(wm_adsp_fw_text), wm_adsp_fw_text), 374 SOC_ENUM_SINGLE(0, 1, ARRAY_SIZE(wm_adsp_fw_text), wm_adsp_fw_text), 375 SOC_ENUM_SINGLE(0, 2, ARRAY_SIZE(wm_adsp_fw_text), wm_adsp_fw_text), 376 SOC_ENUM_SINGLE(0, 3, ARRAY_SIZE(wm_adsp_fw_text), wm_adsp_fw_text), 377 SOC_ENUM_SINGLE(0, 4, ARRAY_SIZE(wm_adsp_fw_text), wm_adsp_fw_text), 378 SOC_ENUM_SINGLE(0, 5, ARRAY_SIZE(wm_adsp_fw_text), wm_adsp_fw_text), 379 SOC_ENUM_SINGLE(0, 6, ARRAY_SIZE(wm_adsp_fw_text), wm_adsp_fw_text), 380 }; 381 EXPORT_SYMBOL_GPL(wm_adsp_fw_enum); 382 383 static inline struct wm_coeff_ctl *bytes_ext_to_ctl(struct soc_bytes_ext *ext) 384 { 385 return container_of(ext, struct wm_coeff_ctl, bytes_ext); 386 } 387 388 static int wm_coeff_info(struct snd_kcontrol *kctl, 389 struct snd_ctl_elem_info *uinfo) 390 { 391 struct soc_bytes_ext *bytes_ext = 392 (struct soc_bytes_ext *)kctl->private_value; 393 struct wm_coeff_ctl *ctl = bytes_ext_to_ctl(bytes_ext); 394 struct cs_dsp_coeff_ctl *cs_ctl = ctl->cs_ctl; 395 396 switch (cs_ctl->type) { 397 case WMFW_CTL_TYPE_ACKED: 398 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 399 uinfo->value.integer.min = CS_DSP_ACKED_CTL_MIN_VALUE; 400 uinfo->value.integer.max = CS_DSP_ACKED_CTL_MAX_VALUE; 401 uinfo->value.integer.step = 1; 402 uinfo->count = 1; 403 break; 404 default: 405 uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES; 406 uinfo->count = cs_ctl->len; 407 break; 408 } 409 410 return 0; 411 } 412 413 static int wm_coeff_put(struct snd_kcontrol *kctl, 414 struct snd_ctl_elem_value *ucontrol) 415 { 416 struct soc_bytes_ext *bytes_ext = 417 (struct soc_bytes_ext *)kctl->private_value; 418 struct wm_coeff_ctl *ctl = bytes_ext_to_ctl(bytes_ext); 419 struct cs_dsp_coeff_ctl *cs_ctl = ctl->cs_ctl; 420 char *p = ucontrol->value.bytes.data; 421 422 return cs_dsp_coeff_lock_and_write_ctrl(cs_ctl, 0, p, cs_ctl->len); 423 } 424 425 static int wm_coeff_tlv_put(struct snd_kcontrol *kctl, 426 const unsigned int __user *bytes, unsigned int size) 427 { 428 struct soc_bytes_ext *bytes_ext = 429 (struct soc_bytes_ext *)kctl->private_value; 430 struct wm_coeff_ctl *ctl = bytes_ext_to_ctl(bytes_ext); 431 struct cs_dsp_coeff_ctl *cs_ctl = ctl->cs_ctl; 432 void *scratch __free(kvfree) = vmemdup_user(bytes, size); 433 434 if (IS_ERR(scratch)) 435 return PTR_ERR(scratch); 436 437 return cs_dsp_coeff_lock_and_write_ctrl(cs_ctl, 0, scratch, size); 438 } 439 440 static int wm_coeff_put_acked(struct snd_kcontrol *kctl, 441 struct snd_ctl_elem_value *ucontrol) 442 { 443 struct soc_bytes_ext *bytes_ext = 444 (struct soc_bytes_ext *)kctl->private_value; 445 struct wm_coeff_ctl *ctl = bytes_ext_to_ctl(bytes_ext); 446 struct cs_dsp_coeff_ctl *cs_ctl = ctl->cs_ctl; 447 unsigned int val = ucontrol->value.integer.value[0]; 448 int ret; 449 450 if (val == 0) 451 return 0; /* 0 means no event */ 452 453 mutex_lock(&cs_ctl->dsp->pwr_lock); 454 455 if (cs_ctl->enabled) 456 ret = cs_dsp_coeff_write_acked_control(cs_ctl, val); 457 else 458 ret = -EPERM; 459 460 mutex_unlock(&cs_ctl->dsp->pwr_lock); 461 462 if (ret < 0) 463 return ret; 464 465 return 1; 466 } 467 468 static int wm_coeff_get(struct snd_kcontrol *kctl, 469 struct snd_ctl_elem_value *ucontrol) 470 { 471 struct soc_bytes_ext *bytes_ext = 472 (struct soc_bytes_ext *)kctl->private_value; 473 struct wm_coeff_ctl *ctl = bytes_ext_to_ctl(bytes_ext); 474 struct cs_dsp_coeff_ctl *cs_ctl = ctl->cs_ctl; 475 char *p = ucontrol->value.bytes.data; 476 477 return cs_dsp_coeff_lock_and_read_ctrl(cs_ctl, 0, p, cs_ctl->len); 478 } 479 480 static int wm_coeff_tlv_get(struct snd_kcontrol *kctl, 481 unsigned int __user *bytes, unsigned int size) 482 { 483 struct soc_bytes_ext *bytes_ext = 484 (struct soc_bytes_ext *)kctl->private_value; 485 struct wm_coeff_ctl *ctl = bytes_ext_to_ctl(bytes_ext); 486 struct cs_dsp_coeff_ctl *cs_ctl = ctl->cs_ctl; 487 int ret = 0; 488 489 mutex_lock(&cs_ctl->dsp->pwr_lock); 490 491 ret = cs_dsp_coeff_read_ctrl(cs_ctl, 0, cs_ctl->cache, size); 492 493 if (!ret && copy_to_user(bytes, cs_ctl->cache, size)) 494 ret = -EFAULT; 495 496 mutex_unlock(&cs_ctl->dsp->pwr_lock); 497 498 return ret; 499 } 500 501 static int wm_coeff_get_acked(struct snd_kcontrol *kcontrol, 502 struct snd_ctl_elem_value *ucontrol) 503 { 504 /* 505 * Although it's not useful to read an acked control, we must satisfy 506 * user-side assumptions that all controls are readable and that a 507 * write of the same value should be filtered out (it's valid to send 508 * the same event number again to the firmware). We therefore return 0, 509 * meaning "no event" so valid event numbers will always be a change 510 */ 511 ucontrol->value.integer.value[0] = 0; 512 513 return 0; 514 } 515 516 static unsigned int wmfw_convert_flags(unsigned int in, unsigned int len) 517 { 518 unsigned int out, rd, wr, vol; 519 520 if (len > ADSP_MAX_STD_CTRL_SIZE) { 521 rd = SNDRV_CTL_ELEM_ACCESS_TLV_READ; 522 wr = SNDRV_CTL_ELEM_ACCESS_TLV_WRITE; 523 vol = SNDRV_CTL_ELEM_ACCESS_VOLATILE; 524 525 out = SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK; 526 } else { 527 rd = SNDRV_CTL_ELEM_ACCESS_READ; 528 wr = SNDRV_CTL_ELEM_ACCESS_WRITE; 529 vol = SNDRV_CTL_ELEM_ACCESS_VOLATILE; 530 531 out = 0; 532 } 533 534 if (in) { 535 out |= rd; 536 if (in & WMFW_CTL_FLAG_WRITEABLE) 537 out |= wr; 538 if (in & WMFW_CTL_FLAG_VOLATILE) 539 out |= vol; 540 } else { 541 out |= rd | wr | vol; 542 } 543 544 return out; 545 } 546 547 static void wm_adsp_ctl_work(struct work_struct *work) 548 { 549 struct wm_coeff_ctl *ctl = container_of(work, 550 struct wm_coeff_ctl, 551 work); 552 struct cs_dsp_coeff_ctl *cs_ctl = ctl->cs_ctl; 553 struct wm_adsp *dsp = container_of(cs_ctl->dsp, 554 struct wm_adsp, 555 cs_dsp); 556 struct snd_kcontrol_new *kcontrol; 557 558 kcontrol = kzalloc_obj(*kcontrol); 559 if (!kcontrol) 560 return; 561 562 kcontrol->name = ctl->name; 563 kcontrol->info = wm_coeff_info; 564 kcontrol->iface = SNDRV_CTL_ELEM_IFACE_MIXER; 565 kcontrol->tlv.c = snd_soc_bytes_tlv_callback; 566 kcontrol->private_value = (unsigned long)&ctl->bytes_ext; 567 kcontrol->access = wmfw_convert_flags(cs_ctl->flags, cs_ctl->len); 568 569 switch (cs_ctl->type) { 570 case WMFW_CTL_TYPE_ACKED: 571 kcontrol->get = wm_coeff_get_acked; 572 kcontrol->put = wm_coeff_put_acked; 573 break; 574 default: 575 if (kcontrol->access & SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK) { 576 ctl->bytes_ext.max = cs_ctl->len; 577 ctl->bytes_ext.get = wm_coeff_tlv_get; 578 ctl->bytes_ext.put = wm_coeff_tlv_put; 579 } else { 580 kcontrol->get = wm_coeff_get; 581 kcontrol->put = wm_coeff_put; 582 } 583 break; 584 } 585 586 snd_soc_add_component_controls(dsp->component, kcontrol, 1); 587 588 kfree(kcontrol); 589 } 590 591 int wm_adsp_control_add(struct cs_dsp_coeff_ctl *cs_ctl) 592 { 593 struct wm_adsp *dsp = container_of(cs_ctl->dsp, struct wm_adsp, cs_dsp); 594 struct cs_dsp *cs_dsp = &dsp->cs_dsp; 595 struct wm_coeff_ctl *ctl; 596 char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; 597 const char *region_name; 598 int ret; 599 600 if (cs_ctl->flags & WMFW_CTL_FLAG_SYS) 601 return 0; 602 603 region_name = cs_dsp_mem_region_name(cs_ctl->alg_region.type); 604 if (!region_name) { 605 adsp_err(dsp, "Unknown region type: %d\n", cs_ctl->alg_region.type); 606 return -EINVAL; 607 } 608 609 switch (cs_dsp->wmfw_ver) { 610 case 0: 611 case 1: 612 ret = scnprintf(name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN, 613 "%s %s %x", cs_dsp->name, region_name, 614 cs_ctl->alg_region.alg); 615 break; 616 case 2: 617 ret = scnprintf(name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN, 618 "%s%c %.12s %x", cs_dsp->name, *region_name, 619 wm_adsp_fw_text[dsp->fw], cs_ctl->alg_region.alg); 620 break; 621 default: 622 ret = scnprintf(name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN, 623 "%s %.12s %x", cs_dsp->name, 624 wm_adsp_fw_text[dsp->fw], cs_ctl->alg_region.alg); 625 break; 626 } 627 628 if (cs_ctl->subname) { 629 int avail = SNDRV_CTL_ELEM_ID_NAME_MAXLEN - ret - 2; 630 int skip = 0; 631 632 if (dsp->component->name_prefix) 633 avail -= strlen(dsp->component->name_prefix) + 1; 634 635 /* Truncate the subname from the start if it is too long */ 636 if (cs_ctl->subname_len > avail) 637 skip = cs_ctl->subname_len - avail; 638 639 snprintf(name + ret, SNDRV_CTL_ELEM_ID_NAME_MAXLEN - ret, 640 " %.*s", cs_ctl->subname_len - skip, cs_ctl->subname + skip); 641 } 642 643 ctl = kzalloc_obj(*ctl); 644 if (!ctl) 645 return -ENOMEM; 646 ctl->cs_ctl = cs_ctl; 647 648 ctl->name = kmemdup(name, strlen(name) + 1, GFP_KERNEL); 649 if (!ctl->name) { 650 ret = -ENOMEM; 651 goto err_ctl; 652 } 653 654 cs_ctl->priv = ctl; 655 656 INIT_WORK(&ctl->work, wm_adsp_ctl_work); 657 schedule_work(&ctl->work); 658 659 return 0; 660 661 err_ctl: 662 kfree(ctl); 663 664 return ret; 665 } 666 EXPORT_SYMBOL_GPL(wm_adsp_control_add); 667 668 static int wm_adsp_control_add_cb(struct cs_dsp_coeff_ctl *cs_ctl) 669 { 670 struct wm_adsp *dsp = container_of(cs_ctl->dsp, struct wm_adsp, cs_dsp); 671 672 if (dsp->control_add) 673 return (dsp->control_add)(dsp, cs_ctl); 674 else 675 return wm_adsp_control_add(cs_ctl); 676 } 677 678 static void wm_adsp_control_remove(struct cs_dsp_coeff_ctl *cs_ctl) 679 { 680 struct wm_coeff_ctl *ctl = cs_ctl->priv; 681 682 if (!ctl) 683 return; 684 685 cancel_work_sync(&ctl->work); 686 687 kfree(ctl->name); 688 kfree(ctl); 689 } 690 691 int wm_adsp_write_ctl(struct wm_adsp *dsp, const char *name, int type, 692 unsigned int alg, void *buf, size_t len) 693 { 694 struct cs_dsp_coeff_ctl *cs_ctl; 695 int ret; 696 697 mutex_lock(&dsp->cs_dsp.pwr_lock); 698 cs_ctl = cs_dsp_get_ctl(&dsp->cs_dsp, name, type, alg); 699 ret = cs_dsp_coeff_write_ctrl(cs_ctl, 0, buf, len); 700 mutex_unlock(&dsp->cs_dsp.pwr_lock); 701 702 if (ret < 0) 703 return ret; 704 705 return 0; 706 } 707 EXPORT_SYMBOL_GPL(wm_adsp_write_ctl); 708 709 int wm_adsp_read_ctl(struct wm_adsp *dsp, const char *name, int type, 710 unsigned int alg, void *buf, size_t len) 711 { 712 int ret; 713 714 mutex_lock(&dsp->cs_dsp.pwr_lock); 715 ret = cs_dsp_coeff_read_ctrl(cs_dsp_get_ctl(&dsp->cs_dsp, name, type, alg), 716 0, buf, len); 717 mutex_unlock(&dsp->cs_dsp.pwr_lock); 718 719 return ret; 720 } 721 EXPORT_SYMBOL_GPL(wm_adsp_read_ctl); 722 723 VISIBLE_IF_KUNIT void wm_adsp_release_firmware_files(struct wm_adsp_fw_files *fw) 724 { 725 KUNIT_STATIC_STUB_REDIRECT(wm_adsp_release_firmware_files, fw); 726 727 release_firmware(fw->wmfw.firmware); 728 kfree(fw->wmfw.filename); 729 730 release_firmware(fw->coeff.firmware); 731 kfree(fw->coeff.filename); 732 } 733 EXPORT_SYMBOL_IF_KUNIT(wm_adsp_release_firmware_files); 734 735 VISIBLE_IF_KUNIT int wm_adsp_firmware_request(const struct firmware **firmware, 736 const char *filename, 737 struct device *dev) 738 { 739 KUNIT_STATIC_STUB_REDIRECT(wm_adsp_firmware_request, firmware, filename, dev); 740 741 return firmware_request_nowarn(firmware, filename, dev); 742 } 743 EXPORT_SYMBOL_IF_KUNIT(wm_adsp_firmware_request); 744 745 static int wm_adsp_request_firmware_file(struct wm_adsp *dsp, 746 struct wm_adsp_fw_file *fw, 747 const char *dir, const char *system_name, 748 const char *asoc_component_prefix, 749 const char *filetype) 750 { 751 struct cs_dsp *cs_dsp = &dsp->cs_dsp; 752 const char *fwf; 753 char *s, c; 754 int ret; 755 756 if (dsp->fwf_name) 757 fwf = dsp->fwf_name; 758 else 759 fwf = dsp->cs_dsp.name; 760 761 if (system_name && asoc_component_prefix) 762 fw->filename = kasprintf(GFP_KERNEL, "%s%s-%s-%s-%s-%s.%s", dir, dsp->part, 763 fwf, wm_adsp_fw[dsp->fw].file, system_name, 764 asoc_component_prefix, filetype); 765 else if (system_name) 766 fw->filename = kasprintf(GFP_KERNEL, "%s%s-%s-%s-%s.%s", dir, dsp->part, 767 fwf, wm_adsp_fw[dsp->fw].file, system_name, 768 filetype); 769 else 770 fw->filename = kasprintf(GFP_KERNEL, "%s%s-%s-%s.%s", dir, dsp->part, fwf, 771 wm_adsp_fw[dsp->fw].file, filetype); 772 773 if (!fw->filename) 774 return -ENOMEM; 775 776 /* 777 * Make sure that filename after dir is lower-case and any non-alpha-numeric 778 * characters except full-stop are replaced with hyphens. 779 */ 780 s = fw->filename + strlen(dir); 781 while (*s) { 782 c = *s; 783 if (isalnum(c)) 784 *s = tolower(c); 785 else if (c != '.') 786 *s = '-'; 787 s++; 788 } 789 790 ret = wm_adsp_firmware_request(&fw->firmware, fw->filename, cs_dsp->dev); 791 if (ret < 0) { 792 adsp_dbg(dsp, "Failed to request '%s': %d\n", fw->filename, ret); 793 kfree(fw->filename); 794 fw->filename = NULL; 795 if (ret != -ENOENT) 796 return ret; 797 } else { 798 adsp_dbg(dsp, "Found '%s'\n", fw->filename); 799 } 800 801 return 0; 802 } 803 804 static const char * const cirrus_dir = "cirrus/"; 805 VISIBLE_IF_KUNIT int wm_adsp_request_firmware_files(struct wm_adsp *dsp, 806 struct wm_adsp_fw_files *fw) 807 { 808 const char *system_name = dsp->system_name; 809 const char *suffix = dsp->component->name_prefix; 810 bool require_bin_suffix = false; 811 int ret = 0; 812 813 if (dsp->fwf_suffix) 814 suffix = dsp->fwf_suffix; 815 816 if (system_name) { 817 ret = wm_adsp_request_firmware_file(dsp, &fw->wmfw, 818 cirrus_dir, system_name, 819 suffix, "wmfw"); 820 if (ret < 0) 821 goto err; 822 823 if (suffix) { 824 if (fw->wmfw.firmware) { 825 require_bin_suffix = true; 826 } else { 827 /* Fallback to name without suffix */ 828 ret = wm_adsp_request_firmware_file(dsp, &fw->wmfw, 829 cirrus_dir, system_name, 830 NULL, "wmfw"); 831 if (ret < 0) 832 goto err; 833 } 834 } 835 836 /* Look for matching .bin file */ 837 if (fw->wmfw.firmware || dsp->wmfw_optional) { 838 ret = wm_adsp_request_firmware_file(dsp, &fw->coeff, 839 cirrus_dir, system_name, 840 suffix, "bin"); 841 if (ret < 0) 842 goto err; 843 844 if (suffix && !fw->coeff.firmware && !require_bin_suffix) { 845 /* Fallback to name without suffix */ 846 ret = wm_adsp_request_firmware_file(dsp, 847 &fw->coeff, 848 cirrus_dir, system_name, 849 NULL, "bin"); 850 if (ret < 0) 851 goto err; 852 } 853 } 854 855 if (fw->wmfw.firmware || (dsp->wmfw_optional && fw->coeff.firmware)) 856 return 0; 857 } 858 859 /* Check legacy location */ 860 ret = wm_adsp_request_firmware_file(dsp, &fw->wmfw, "", NULL, NULL, "wmfw"); 861 if (ret < 0) 862 goto err; 863 864 if (fw->wmfw.firmware) { 865 ret = wm_adsp_request_firmware_file(dsp, &fw->coeff, "", NULL, NULL, "bin"); 866 if (ret < 0) 867 goto err; 868 869 return 0; 870 } 871 872 /* Fall back to generic wmfw and optional matching bin */ 873 ret = wm_adsp_request_firmware_file(dsp, &fw->wmfw, 874 cirrus_dir, NULL, NULL, "wmfw"); 875 if (ret < 0) 876 goto err; 877 878 if (fw->wmfw.firmware || dsp->wmfw_optional) { 879 ret = wm_adsp_request_firmware_file(dsp, &fw->coeff, 880 cirrus_dir, NULL, NULL, "bin"); 881 if (ret < 0) 882 goto err; 883 884 return 0; 885 } 886 887 adsp_err(dsp, "Failed to request firmware <%s>%s-%s-%s<-%s<%s>>.wmfw\n", 888 cirrus_dir, dsp->part, 889 dsp->fwf_name ? dsp->fwf_name : dsp->cs_dsp.name, 890 wm_adsp_fw[dsp->fw].file, system_name, suffix); 891 892 ret = -ENOENT; 893 err: 894 wm_adsp_release_firmware_files(fw); 895 896 return ret; 897 } 898 EXPORT_SYMBOL_IF_KUNIT(wm_adsp_request_firmware_files); 899 900 static int wm_adsp_common_init(struct wm_adsp *dsp) 901 { 902 INIT_LIST_HEAD(&dsp->compr_list); 903 INIT_LIST_HEAD(&dsp->buffer_list); 904 905 return 0; 906 } 907 908 int wm_adsp1_init(struct wm_adsp *dsp) 909 { 910 int ret; 911 912 dsp->cs_dsp.client_ops = &wm_adsp1_client_ops; 913 914 ret = cs_dsp_adsp1_init(&dsp->cs_dsp); 915 if (ret) 916 return ret; 917 918 return wm_adsp_common_init(dsp); 919 } 920 EXPORT_SYMBOL_GPL(wm_adsp1_init); 921 922 int wm_adsp1_event(struct snd_soc_dapm_widget *w, 923 struct snd_kcontrol *kcontrol, 924 int event) 925 { 926 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); 927 struct wm_adsp *dsps = snd_soc_component_get_drvdata(component); 928 struct wm_adsp *dsp = &dsps[w->shift]; 929 struct wm_adsp_fw_files fw = { 0 }; 930 int ret = 0; 931 932 dsp->component = component; 933 934 switch (event) { 935 case SND_SOC_DAPM_POST_PMU: 936 ret = wm_adsp_request_firmware_files(dsp, &fw); 937 if (ret) 938 break; 939 940 ret = cs_dsp_adsp1_power_up(&dsp->cs_dsp, 941 fw.wmfw.firmware, fw.wmfw.filename, 942 fw.coeff.firmware, fw.coeff.filename, 943 wm_adsp_fw_text[dsp->fw]); 944 945 wm_adsp_release_firmware_files(&fw); 946 break; 947 case SND_SOC_DAPM_PRE_PMD: 948 cs_dsp_adsp1_power_down(&dsp->cs_dsp); 949 break; 950 default: 951 break; 952 } 953 954 return ret; 955 } 956 EXPORT_SYMBOL_GPL(wm_adsp1_event); 957 958 int wm_adsp2_set_dspclk(struct snd_soc_dapm_widget *w, unsigned int freq) 959 { 960 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); 961 struct wm_adsp *dsps = snd_soc_component_get_drvdata(component); 962 struct wm_adsp *dsp = &dsps[w->shift]; 963 964 return cs_dsp_set_dspclk(&dsp->cs_dsp, freq); 965 } 966 EXPORT_SYMBOL_GPL(wm_adsp2_set_dspclk); 967 968 int wm_adsp2_preloader_get(struct snd_kcontrol *kcontrol, 969 struct snd_ctl_elem_value *ucontrol) 970 { 971 struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); 972 struct wm_adsp *dsps = snd_soc_component_get_drvdata(component); 973 struct soc_mixer_control *mc = 974 (struct soc_mixer_control *)kcontrol->private_value; 975 struct wm_adsp *dsp = &dsps[mc->shift - 1]; 976 977 ucontrol->value.integer.value[0] = dsp->preloaded; 978 979 return 0; 980 } 981 EXPORT_SYMBOL_GPL(wm_adsp2_preloader_get); 982 983 int wm_adsp2_preloader_put(struct snd_kcontrol *kcontrol, 984 struct snd_ctl_elem_value *ucontrol) 985 { 986 struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); 987 struct wm_adsp *dsps = snd_soc_component_get_drvdata(component); 988 struct snd_soc_dapm_context *dapm = snd_soc_component_to_dapm(component); 989 struct soc_mixer_control *mc = 990 (struct soc_mixer_control *)kcontrol->private_value; 991 struct wm_adsp *dsp = &dsps[mc->shift - 1]; 992 char preload[32]; 993 994 if (dsp->preloaded == ucontrol->value.integer.value[0]) 995 return 0; 996 997 snprintf(preload, ARRAY_SIZE(preload), "%s Preload", dsp->cs_dsp.name); 998 999 if (ucontrol->value.integer.value[0] || dsp->toggle_preload) 1000 snd_soc_dapm_force_enable_pin(dapm, preload); 1001 else 1002 snd_soc_dapm_disable_pin(dapm, preload); 1003 1004 snd_soc_dapm_sync(dapm); 1005 1006 flush_work(&dsp->boot_work); 1007 1008 dsp->preloaded = ucontrol->value.integer.value[0]; 1009 1010 if (dsp->toggle_preload) { 1011 snd_soc_dapm_disable_pin(dapm, preload); 1012 snd_soc_dapm_sync(dapm); 1013 } 1014 1015 return 1; 1016 } 1017 EXPORT_SYMBOL_GPL(wm_adsp2_preloader_put); 1018 1019 int wm_adsp_power_up(struct wm_adsp *dsp, bool load_firmware) 1020 { 1021 struct wm_adsp_fw_files fw = { 0 }; 1022 int ret = 0; 1023 1024 if (load_firmware) { 1025 ret = wm_adsp_request_firmware_files(dsp, &fw); 1026 if (ret) 1027 return ret; 1028 } 1029 1030 if (dsp->bin_mandatory && !fw.coeff.firmware) { 1031 ret = -ENOENT; 1032 goto err; 1033 } 1034 1035 ret = cs_dsp_power_up(&dsp->cs_dsp, 1036 fw.wmfw.firmware, fw.wmfw.filename, 1037 fw.coeff.firmware, fw.coeff.filename, 1038 wm_adsp_fw_text[dsp->fw]); 1039 1040 err: 1041 wm_adsp_release_firmware_files(&fw); 1042 1043 return ret; 1044 } 1045 EXPORT_SYMBOL_GPL(wm_adsp_power_up); 1046 1047 void wm_adsp_power_down(struct wm_adsp *dsp) 1048 { 1049 cs_dsp_power_down(&dsp->cs_dsp); 1050 } 1051 EXPORT_SYMBOL_GPL(wm_adsp_power_down); 1052 1053 static void wm_adsp_boot_work(struct work_struct *work) 1054 { 1055 struct wm_adsp *dsp = container_of(work, 1056 struct wm_adsp, 1057 boot_work); 1058 1059 wm_adsp_power_up(dsp, true); 1060 } 1061 1062 int wm_adsp_early_event(struct snd_soc_dapm_widget *w, 1063 struct snd_kcontrol *kcontrol, int event) 1064 { 1065 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); 1066 struct wm_adsp *dsps = snd_soc_component_get_drvdata(component); 1067 struct wm_adsp *dsp = &dsps[w->shift]; 1068 1069 switch (event) { 1070 case SND_SOC_DAPM_PRE_PMU: 1071 queue_work(system_dfl_wq, &dsp->boot_work); 1072 break; 1073 case SND_SOC_DAPM_PRE_PMD: 1074 wm_adsp_power_down(dsp); 1075 break; 1076 default: 1077 break; 1078 } 1079 1080 return 0; 1081 } 1082 EXPORT_SYMBOL_GPL(wm_adsp_early_event); 1083 1084 static int wm_adsp_pre_run(struct cs_dsp *cs_dsp) 1085 { 1086 struct wm_adsp *dsp = container_of(cs_dsp, struct wm_adsp, cs_dsp); 1087 1088 if (!dsp->pre_run) 1089 return 0; 1090 1091 return (*dsp->pre_run)(dsp); 1092 } 1093 1094 static int wm_adsp_event_post_run(struct cs_dsp *cs_dsp) 1095 { 1096 struct wm_adsp *dsp = container_of(cs_dsp, struct wm_adsp, cs_dsp); 1097 1098 if (wm_adsp_fw[dsp->fw].num_caps != 0) 1099 return wm_adsp_buffer_init(dsp); 1100 1101 return 0; 1102 } 1103 1104 static void wm_adsp_event_post_stop(struct cs_dsp *cs_dsp) 1105 { 1106 struct wm_adsp *dsp = container_of(cs_dsp, struct wm_adsp, cs_dsp); 1107 1108 if (wm_adsp_fw[dsp->fw].num_caps != 0) 1109 wm_adsp_buffer_free(dsp); 1110 1111 dsp->fatal_error = false; 1112 } 1113 1114 int wm_adsp_run(struct wm_adsp *dsp) 1115 { 1116 flush_work(&dsp->boot_work); 1117 1118 return cs_dsp_run(&dsp->cs_dsp); 1119 } 1120 EXPORT_SYMBOL_GPL(wm_adsp_run); 1121 1122 void wm_adsp_stop(struct wm_adsp *dsp) 1123 { 1124 cs_dsp_stop(&dsp->cs_dsp); 1125 } 1126 EXPORT_SYMBOL_GPL(wm_adsp_stop); 1127 1128 void wm_adsp_hibernate(struct wm_adsp *dsp, bool hibernate) 1129 { 1130 cs_dsp_hibernate(&dsp->cs_dsp, hibernate); 1131 } 1132 EXPORT_SYMBOL_GPL(wm_adsp_hibernate); 1133 1134 int wm_adsp_event(struct snd_soc_dapm_widget *w, 1135 struct snd_kcontrol *kcontrol, int event) 1136 { 1137 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); 1138 struct wm_adsp *dsps = snd_soc_component_get_drvdata(component); 1139 struct wm_adsp *dsp = &dsps[w->shift]; 1140 1141 switch (event) { 1142 case SND_SOC_DAPM_POST_PMU: 1143 return wm_adsp_run(dsp); 1144 case SND_SOC_DAPM_PRE_PMD: 1145 wm_adsp_stop(dsp); 1146 return 0; 1147 default: 1148 return 0; 1149 } 1150 } 1151 EXPORT_SYMBOL_GPL(wm_adsp_event); 1152 1153 int wm_adsp2_component_probe(struct wm_adsp *dsp, struct snd_soc_component *component) 1154 { 1155 struct snd_soc_dapm_context *dapm = snd_soc_component_to_dapm(component); 1156 char preload[32]; 1157 1158 if (!dsp->cs_dsp.no_core_startstop) { 1159 snprintf(preload, ARRAY_SIZE(preload), "%s Preload", dsp->cs_dsp.name); 1160 snd_soc_dapm_disable_pin(dapm, preload); 1161 } 1162 1163 cs_dsp_init_debugfs(&dsp->cs_dsp, component->debugfs_root); 1164 1165 dsp->component = component; 1166 1167 return 0; 1168 } 1169 EXPORT_SYMBOL_GPL(wm_adsp2_component_probe); 1170 1171 int wm_adsp2_component_remove(struct wm_adsp *dsp, struct snd_soc_component *component) 1172 { 1173 if (!dsp) 1174 return 0; 1175 1176 if (!dsp->component) 1177 return 0; 1178 1179 cs_dsp_cleanup_debugfs(&dsp->cs_dsp); 1180 dsp->component = NULL; 1181 1182 return 0; 1183 } 1184 EXPORT_SYMBOL_GPL(wm_adsp2_component_remove); 1185 1186 int wm_adsp2_init(struct wm_adsp *dsp) 1187 { 1188 int ret; 1189 1190 INIT_WORK(&dsp->boot_work, wm_adsp_boot_work); 1191 1192 dsp->sys_config_size = sizeof(struct wm_adsp_system_config_xm_hdr); 1193 dsp->cs_dsp.client_ops = &wm_adsp2_client_ops; 1194 1195 ret = cs_dsp_adsp2_init(&dsp->cs_dsp); 1196 if (ret) 1197 return ret; 1198 1199 return wm_adsp_common_init(dsp); 1200 } 1201 EXPORT_SYMBOL_GPL(wm_adsp2_init); 1202 1203 int wm_halo_init(struct wm_adsp *dsp) 1204 { 1205 int ret; 1206 1207 INIT_WORK(&dsp->boot_work, wm_adsp_boot_work); 1208 1209 dsp->sys_config_size = sizeof(struct wm_halo_system_config_xm_hdr); 1210 dsp->cs_dsp.client_ops = &wm_adsp2_client_ops; 1211 1212 ret = cs_dsp_halo_init(&dsp->cs_dsp); 1213 if (ret) 1214 return ret; 1215 1216 return wm_adsp_common_init(dsp); 1217 } 1218 EXPORT_SYMBOL_GPL(wm_halo_init); 1219 1220 void wm_adsp2_remove(struct wm_adsp *dsp) 1221 { 1222 cs_dsp_remove(&dsp->cs_dsp); 1223 } 1224 EXPORT_SYMBOL_GPL(wm_adsp2_remove); 1225 1226 static inline int wm_adsp_compr_attached(struct wm_adsp_compr *compr) 1227 { 1228 return compr->buf != NULL; 1229 } 1230 1231 static int wm_adsp_compr_attach(struct wm_adsp_compr *compr) 1232 { 1233 struct wm_adsp_compr_buf *buf = NULL, *tmp; 1234 1235 if (compr->dsp->fatal_error) 1236 return -EINVAL; 1237 1238 list_for_each_entry(tmp, &compr->dsp->buffer_list, list) { 1239 if (!tmp->name || !strcmp(compr->name, tmp->name)) { 1240 buf = tmp; 1241 break; 1242 } 1243 } 1244 1245 if (!buf) 1246 return -EINVAL; 1247 1248 compr->buf = buf; 1249 buf->compr = compr; 1250 1251 return 0; 1252 } 1253 1254 static void wm_adsp_compr_detach(struct wm_adsp_compr *compr) 1255 { 1256 if (!compr) 1257 return; 1258 1259 /* Wake the poll so it can see buffer is no longer attached */ 1260 if (compr->stream) 1261 snd_compr_fragment_elapsed(compr->stream); 1262 1263 if (wm_adsp_compr_attached(compr)) { 1264 compr->buf->compr = NULL; 1265 compr->buf = NULL; 1266 } 1267 } 1268 1269 int wm_adsp_compr_open(struct wm_adsp *dsp, struct snd_compr_stream *stream) 1270 { 1271 struct wm_adsp_compr *compr, *tmp; 1272 struct snd_soc_pcm_runtime *rtd = stream->private_data; 1273 int ret = 0; 1274 1275 mutex_lock(&dsp->cs_dsp.pwr_lock); 1276 1277 if (wm_adsp_fw[dsp->fw].num_caps == 0) { 1278 adsp_err(dsp, "%s: Firmware does not support compressed API\n", 1279 snd_soc_rtd_to_codec(rtd, 0)->name); 1280 ret = -ENXIO; 1281 goto out; 1282 } 1283 1284 if (wm_adsp_fw[dsp->fw].compr_direction != stream->direction) { 1285 adsp_err(dsp, "%s: Firmware does not support stream direction\n", 1286 snd_soc_rtd_to_codec(rtd, 0)->name); 1287 ret = -EINVAL; 1288 goto out; 1289 } 1290 1291 list_for_each_entry(tmp, &dsp->compr_list, list) { 1292 if (!strcmp(tmp->name, snd_soc_rtd_to_codec(rtd, 0)->name)) { 1293 adsp_err(dsp, "%s: Only a single stream supported per dai\n", 1294 snd_soc_rtd_to_codec(rtd, 0)->name); 1295 ret = -EBUSY; 1296 goto out; 1297 } 1298 } 1299 1300 compr = kzalloc_obj(*compr); 1301 if (!compr) { 1302 ret = -ENOMEM; 1303 goto out; 1304 } 1305 1306 compr->dsp = dsp; 1307 compr->stream = stream; 1308 compr->name = snd_soc_rtd_to_codec(rtd, 0)->name; 1309 1310 list_add_tail(&compr->list, &dsp->compr_list); 1311 1312 stream->runtime->private_data = compr; 1313 1314 out: 1315 mutex_unlock(&dsp->cs_dsp.pwr_lock); 1316 1317 return ret; 1318 } 1319 EXPORT_SYMBOL_GPL(wm_adsp_compr_open); 1320 1321 int wm_adsp_compr_free(struct snd_soc_component *component, 1322 struct snd_compr_stream *stream) 1323 { 1324 struct wm_adsp_compr *compr = stream->runtime->private_data; 1325 struct wm_adsp *dsp = compr->dsp; 1326 1327 mutex_lock(&dsp->cs_dsp.pwr_lock); 1328 1329 wm_adsp_compr_detach(compr); 1330 list_del(&compr->list); 1331 1332 kfree(compr->raw_buf); 1333 kfree(compr); 1334 1335 mutex_unlock(&dsp->cs_dsp.pwr_lock); 1336 1337 return 0; 1338 } 1339 EXPORT_SYMBOL_GPL(wm_adsp_compr_free); 1340 1341 static int wm_adsp_compr_check_params(struct snd_compr_stream *stream, 1342 struct snd_compr_params *params) 1343 { 1344 struct wm_adsp_compr *compr = stream->runtime->private_data; 1345 struct wm_adsp *dsp = compr->dsp; 1346 const struct wm_adsp_fw_caps *caps; 1347 const struct snd_codec_desc *desc; 1348 int i, j; 1349 1350 if (params->buffer.fragment_size < WM_ADSP_MIN_FRAGMENT_SIZE || 1351 params->buffer.fragment_size > WM_ADSP_MAX_FRAGMENT_SIZE || 1352 params->buffer.fragments < WM_ADSP_MIN_FRAGMENTS || 1353 params->buffer.fragments > WM_ADSP_MAX_FRAGMENTS || 1354 params->buffer.fragment_size % CS_DSP_DATA_WORD_SIZE) { 1355 compr_err(compr, "Invalid buffer fragsize=%d fragments=%d\n", 1356 params->buffer.fragment_size, 1357 params->buffer.fragments); 1358 1359 return -EINVAL; 1360 } 1361 1362 for (i = 0; i < wm_adsp_fw[dsp->fw].num_caps; i++) { 1363 caps = &wm_adsp_fw[dsp->fw].caps[i]; 1364 desc = &caps->desc; 1365 1366 if (caps->id != params->codec.id) 1367 continue; 1368 1369 if (stream->direction == SND_COMPRESS_PLAYBACK) { 1370 if (desc->max_ch < params->codec.ch_out) 1371 continue; 1372 } else { 1373 if (desc->max_ch < params->codec.ch_in) 1374 continue; 1375 } 1376 1377 if (!(desc->formats & (1 << params->codec.format))) 1378 continue; 1379 1380 for (j = 0; j < desc->num_sample_rates; ++j) 1381 if (desc->sample_rates[j] == params->codec.sample_rate) 1382 return 0; 1383 } 1384 1385 compr_err(compr, "Invalid params id=%u ch=%u,%u rate=%u fmt=%u\n", 1386 params->codec.id, params->codec.ch_in, params->codec.ch_out, 1387 params->codec.sample_rate, params->codec.format); 1388 return -EINVAL; 1389 } 1390 1391 static inline unsigned int wm_adsp_compr_frag_words(struct wm_adsp_compr *compr) 1392 { 1393 return compr->size.fragment_size / CS_DSP_DATA_WORD_SIZE; 1394 } 1395 1396 int wm_adsp_compr_set_params(struct snd_soc_component *component, 1397 struct snd_compr_stream *stream, 1398 struct snd_compr_params *params) 1399 { 1400 struct wm_adsp_compr *compr = stream->runtime->private_data; 1401 unsigned int size; 1402 int ret; 1403 1404 ret = wm_adsp_compr_check_params(stream, params); 1405 if (ret) 1406 return ret; 1407 1408 compr->size = params->buffer; 1409 1410 compr_dbg(compr, "fragment_size=%d fragments=%d\n", 1411 compr->size.fragment_size, compr->size.fragments); 1412 1413 size = wm_adsp_compr_frag_words(compr) * sizeof(*compr->raw_buf); 1414 compr->raw_buf = kmalloc(size, GFP_DMA | GFP_KERNEL); 1415 if (!compr->raw_buf) 1416 return -ENOMEM; 1417 1418 compr->sample_rate = params->codec.sample_rate; 1419 1420 return 0; 1421 } 1422 EXPORT_SYMBOL_GPL(wm_adsp_compr_set_params); 1423 1424 int wm_adsp_compr_get_caps(struct snd_soc_component *component, 1425 struct snd_compr_stream *stream, 1426 struct snd_compr_caps *caps) 1427 { 1428 struct wm_adsp_compr *compr = stream->runtime->private_data; 1429 int fw = compr->dsp->fw; 1430 int i; 1431 1432 if (wm_adsp_fw[fw].caps) { 1433 for (i = 0; i < wm_adsp_fw[fw].num_caps; i++) 1434 caps->codecs[i] = wm_adsp_fw[fw].caps[i].id; 1435 1436 caps->num_codecs = i; 1437 caps->direction = wm_adsp_fw[fw].compr_direction; 1438 1439 caps->min_fragment_size = WM_ADSP_MIN_FRAGMENT_SIZE; 1440 caps->max_fragment_size = WM_ADSP_MAX_FRAGMENT_SIZE; 1441 caps->min_fragments = WM_ADSP_MIN_FRAGMENTS; 1442 caps->max_fragments = WM_ADSP_MAX_FRAGMENTS; 1443 } 1444 1445 return 0; 1446 } 1447 EXPORT_SYMBOL_GPL(wm_adsp_compr_get_caps); 1448 1449 static inline int wm_adsp_buffer_read(struct wm_adsp_compr_buf *buf, 1450 unsigned int field_offset, u32 *data) 1451 { 1452 return cs_dsp_read_data_word(&buf->dsp->cs_dsp, buf->host_buf_mem_type, 1453 buf->host_buf_ptr + field_offset, data); 1454 } 1455 1456 static inline int wm_adsp_buffer_write(struct wm_adsp_compr_buf *buf, 1457 unsigned int field_offset, u32 data) 1458 { 1459 return cs_dsp_write_data_word(&buf->dsp->cs_dsp, buf->host_buf_mem_type, 1460 buf->host_buf_ptr + field_offset, 1461 data); 1462 } 1463 1464 static int wm_adsp_buffer_populate(struct wm_adsp_compr_buf *buf) 1465 { 1466 const struct wm_adsp_fw_caps *caps = wm_adsp_fw[buf->dsp->fw].caps; 1467 struct wm_adsp_buffer_region *region; 1468 u32 offset = 0; 1469 int i, ret; 1470 1471 buf->regions = kzalloc_objs(*buf->regions, caps->num_regions); 1472 if (!buf->regions) 1473 return -ENOMEM; 1474 1475 for (i = 0; i < caps->num_regions; ++i) { 1476 region = &buf->regions[i]; 1477 1478 region->offset = offset; 1479 region->mem_type = caps->region_defs[i].mem_type; 1480 1481 ret = wm_adsp_buffer_read(buf, caps->region_defs[i].base_offset, 1482 ®ion->base_addr); 1483 if (ret < 0) 1484 goto err; 1485 1486 ret = wm_adsp_buffer_read(buf, caps->region_defs[i].size_offset, 1487 &offset); 1488 if (ret < 0) 1489 goto err; 1490 1491 region->cumulative_size = offset; 1492 1493 compr_dbg(buf, 1494 "region=%d type=%d base=%08x off=%08x size=%08x\n", 1495 i, region->mem_type, region->base_addr, 1496 region->offset, region->cumulative_size); 1497 } 1498 1499 return 0; 1500 1501 err: 1502 kfree(buf->regions); 1503 return ret; 1504 } 1505 1506 static void wm_adsp_buffer_clear(struct wm_adsp_compr_buf *buf) 1507 { 1508 buf->irq_count = 0xFFFFFFFF; 1509 buf->read_index = -1; 1510 buf->avail = 0; 1511 } 1512 1513 static struct wm_adsp_compr_buf *wm_adsp_buffer_alloc(struct wm_adsp *dsp) 1514 { 1515 struct wm_adsp_compr_buf *buf; 1516 1517 buf = kzalloc_obj(*buf); 1518 if (!buf) 1519 return NULL; 1520 1521 buf->dsp = dsp; 1522 1523 wm_adsp_buffer_clear(buf); 1524 1525 return buf; 1526 } 1527 1528 static int wm_adsp_buffer_parse_legacy(struct wm_adsp *dsp) 1529 { 1530 struct cs_dsp_alg_region *alg_region; 1531 struct wm_adsp_compr_buf *buf; 1532 u32 xmalg, addr, magic; 1533 int i, ret; 1534 1535 alg_region = cs_dsp_find_alg_region(&dsp->cs_dsp, WMFW_ADSP2_XM, dsp->cs_dsp.fw_id); 1536 if (!alg_region) { 1537 adsp_err(dsp, "No algorithm region found\n"); 1538 return -EINVAL; 1539 } 1540 1541 xmalg = dsp->sys_config_size / sizeof(__be32); 1542 1543 addr = alg_region->base + xmalg + ALG_XM_FIELD(magic); 1544 ret = cs_dsp_read_data_word(&dsp->cs_dsp, WMFW_ADSP2_XM, addr, &magic); 1545 if (ret < 0) 1546 return ret; 1547 1548 if (magic != WM_ADSP_ALG_XM_STRUCT_MAGIC) 1549 return -ENODEV; 1550 1551 buf = wm_adsp_buffer_alloc(dsp); 1552 if (!buf) 1553 return -ENOMEM; 1554 1555 addr = alg_region->base + xmalg + ALG_XM_FIELD(host_buf_ptr); 1556 for (i = 0; i < 5; ++i) { 1557 ret = cs_dsp_read_data_word(&dsp->cs_dsp, WMFW_ADSP2_XM, addr, 1558 &buf->host_buf_ptr); 1559 if (ret < 0) 1560 goto err; 1561 1562 if (buf->host_buf_ptr) 1563 break; 1564 1565 usleep_range(1000, 2000); 1566 } 1567 1568 if (!buf->host_buf_ptr) { 1569 ret = -EIO; 1570 goto err; 1571 } 1572 1573 buf->host_buf_mem_type = WMFW_ADSP2_XM; 1574 1575 ret = wm_adsp_buffer_populate(buf); 1576 if (ret < 0) 1577 goto err; 1578 1579 list_add_tail(&buf->list, &dsp->buffer_list); 1580 1581 compr_dbg(buf, "legacy host_buf_ptr=%x\n", buf->host_buf_ptr); 1582 1583 return 0; 1584 1585 err: 1586 kfree(buf); 1587 1588 return ret; 1589 } 1590 1591 static int wm_adsp_buffer_parse_coeff(struct cs_dsp_coeff_ctl *cs_ctl) 1592 { 1593 struct wm_adsp_host_buf_coeff_v1 coeff_v1; 1594 struct wm_adsp_compr_buf *buf; 1595 struct wm_adsp *dsp = container_of(cs_ctl->dsp, struct wm_adsp, cs_dsp); 1596 unsigned int version = 0; 1597 int ret, i; 1598 1599 for (i = 0; i < 5; ++i) { 1600 ret = cs_dsp_coeff_read_ctrl(cs_ctl, 0, &coeff_v1, 1601 min((size_t)cs_ctl->len, sizeof(coeff_v1))); 1602 if (ret < 0) 1603 return ret; 1604 1605 if (coeff_v1.host_buf_ptr) 1606 break; 1607 1608 usleep_range(1000, 2000); 1609 } 1610 1611 if (!coeff_v1.host_buf_ptr) { 1612 adsp_err(dsp, "Failed to acquire host buffer\n"); 1613 return -EIO; 1614 } 1615 1616 buf = wm_adsp_buffer_alloc(dsp); 1617 if (!buf) 1618 return -ENOMEM; 1619 1620 buf->host_buf_mem_type = cs_ctl->alg_region.type; 1621 buf->host_buf_ptr = be32_to_cpu(coeff_v1.host_buf_ptr); 1622 1623 ret = wm_adsp_buffer_populate(buf); 1624 if (ret < 0) 1625 goto err; 1626 1627 /* 1628 * v0 host_buffer coefficients didn't have versioning, so if the 1629 * control is one word, assume version 0. 1630 */ 1631 if (cs_ctl->len == 4) 1632 goto done; 1633 1634 version = be32_to_cpu(coeff_v1.versions) & HOST_BUF_COEFF_COMPAT_VER_MASK; 1635 version >>= HOST_BUF_COEFF_COMPAT_VER_SHIFT; 1636 1637 if (version > HOST_BUF_COEFF_SUPPORTED_COMPAT_VER) { 1638 adsp_err(dsp, 1639 "Host buffer coeff ver %u > supported version %u\n", 1640 version, HOST_BUF_COEFF_SUPPORTED_COMPAT_VER); 1641 ret = -EINVAL; 1642 goto err; 1643 } 1644 1645 cs_dsp_remove_padding((u32 *)&coeff_v1.name, ARRAY_SIZE(coeff_v1.name)); 1646 1647 buf->name = kasprintf(GFP_KERNEL, "%s-dsp-%s", dsp->part, 1648 (char *)&coeff_v1.name); 1649 1650 done: 1651 list_add_tail(&buf->list, &dsp->buffer_list); 1652 1653 compr_dbg(buf, "host_buf_ptr=%x coeff version %u\n", 1654 buf->host_buf_ptr, version); 1655 1656 return version; 1657 1658 err: 1659 kfree(buf); 1660 1661 return ret; 1662 } 1663 1664 static int wm_adsp_buffer_init(struct wm_adsp *dsp) 1665 { 1666 struct cs_dsp_coeff_ctl *cs_ctl; 1667 int ret; 1668 1669 list_for_each_entry(cs_ctl, &dsp->cs_dsp.ctl_list, list) { 1670 if (cs_ctl->type != WMFW_CTL_TYPE_HOST_BUFFER) 1671 continue; 1672 1673 if (!cs_ctl->enabled) 1674 continue; 1675 1676 ret = wm_adsp_buffer_parse_coeff(cs_ctl); 1677 if (ret < 0) { 1678 adsp_err(dsp, "Failed to parse coeff: %d\n", ret); 1679 goto error; 1680 } else if (ret == 0) { 1681 /* Only one buffer supported for version 0 */ 1682 return 0; 1683 } 1684 } 1685 1686 if (list_empty(&dsp->buffer_list)) { 1687 /* Fall back to legacy support */ 1688 ret = wm_adsp_buffer_parse_legacy(dsp); 1689 if (ret == -ENODEV) 1690 adsp_info(dsp, "Legacy support not available\n"); 1691 else if (ret) 1692 adsp_warn(dsp, "Failed to parse legacy: %d\n", ret); 1693 } 1694 1695 return 0; 1696 1697 error: 1698 wm_adsp_buffer_free(dsp); 1699 return ret; 1700 } 1701 1702 static int wm_adsp_buffer_free(struct wm_adsp *dsp) 1703 { 1704 struct wm_adsp_compr_buf *buf, *tmp; 1705 1706 list_for_each_entry_safe(buf, tmp, &dsp->buffer_list, list) { 1707 wm_adsp_compr_detach(buf->compr); 1708 1709 kfree(buf->name); 1710 kfree(buf->regions); 1711 list_del(&buf->list); 1712 kfree(buf); 1713 } 1714 1715 return 0; 1716 } 1717 1718 static int wm_adsp_buffer_get_error(struct wm_adsp_compr_buf *buf) 1719 { 1720 int ret; 1721 1722 ret = wm_adsp_buffer_read(buf, HOST_BUFFER_FIELD(error), &buf->error); 1723 if (ret < 0) { 1724 compr_err(buf, "Failed to check buffer error: %d\n", ret); 1725 return ret; 1726 } 1727 if (buf->error != 0) { 1728 compr_err(buf, "Buffer error occurred: %d\n", buf->error); 1729 return -EIO; 1730 } 1731 1732 return 0; 1733 } 1734 1735 int wm_adsp_compr_trigger(struct snd_soc_component *component, 1736 struct snd_compr_stream *stream, int cmd) 1737 { 1738 struct wm_adsp_compr *compr = stream->runtime->private_data; 1739 struct wm_adsp *dsp = compr->dsp; 1740 int ret = 0; 1741 1742 compr_dbg(compr, "Trigger: %d\n", cmd); 1743 1744 mutex_lock(&dsp->cs_dsp.pwr_lock); 1745 1746 switch (cmd) { 1747 case SNDRV_PCM_TRIGGER_START: 1748 if (!wm_adsp_compr_attached(compr)) { 1749 ret = wm_adsp_compr_attach(compr); 1750 if (ret < 0) { 1751 compr_err(compr, "Failed to link buffer and stream: %d\n", 1752 ret); 1753 break; 1754 } 1755 } 1756 1757 ret = wm_adsp_buffer_get_error(compr->buf); 1758 if (ret < 0) 1759 break; 1760 1761 /* Trigger the IRQ at one fragment of data */ 1762 ret = wm_adsp_buffer_write(compr->buf, 1763 HOST_BUFFER_FIELD(high_water_mark), 1764 wm_adsp_compr_frag_words(compr)); 1765 if (ret < 0) { 1766 compr_err(compr, "Failed to set high water mark: %d\n", 1767 ret); 1768 break; 1769 } 1770 break; 1771 case SNDRV_PCM_TRIGGER_STOP: 1772 if (wm_adsp_compr_attached(compr)) 1773 wm_adsp_buffer_clear(compr->buf); 1774 break; 1775 default: 1776 ret = -EINVAL; 1777 break; 1778 } 1779 1780 mutex_unlock(&dsp->cs_dsp.pwr_lock); 1781 1782 return ret; 1783 } 1784 EXPORT_SYMBOL_GPL(wm_adsp_compr_trigger); 1785 1786 static inline int wm_adsp_buffer_size(struct wm_adsp_compr_buf *buf) 1787 { 1788 int last_region = wm_adsp_fw[buf->dsp->fw].caps->num_regions - 1; 1789 1790 return buf->regions[last_region].cumulative_size; 1791 } 1792 1793 static int wm_adsp_buffer_update_avail(struct wm_adsp_compr_buf *buf) 1794 { 1795 u32 next_read_index, next_write_index; 1796 int write_index, read_index, avail; 1797 int ret; 1798 1799 /* Only sync read index if we haven't already read a valid index */ 1800 if (buf->read_index < 0) { 1801 ret = wm_adsp_buffer_read(buf, 1802 HOST_BUFFER_FIELD(next_read_index), 1803 &next_read_index); 1804 if (ret < 0) 1805 return ret; 1806 1807 read_index = sign_extend32(next_read_index, 23); 1808 1809 if (read_index < 0) { 1810 compr_dbg(buf, "Avail check on unstarted stream\n"); 1811 return 0; 1812 } 1813 1814 buf->read_index = read_index; 1815 } 1816 1817 ret = wm_adsp_buffer_read(buf, HOST_BUFFER_FIELD(next_write_index), 1818 &next_write_index); 1819 if (ret < 0) 1820 return ret; 1821 1822 write_index = sign_extend32(next_write_index, 23); 1823 1824 avail = write_index - buf->read_index; 1825 if (avail < 0) 1826 avail += wm_adsp_buffer_size(buf); 1827 1828 compr_dbg(buf, "readindex=0x%x, writeindex=0x%x, avail=%d\n", 1829 buf->read_index, write_index, avail * CS_DSP_DATA_WORD_SIZE); 1830 1831 buf->avail = avail; 1832 1833 return 0; 1834 } 1835 1836 int wm_adsp_compr_handle_irq(struct wm_adsp *dsp) 1837 { 1838 struct wm_adsp_compr_buf *buf; 1839 struct wm_adsp_compr *compr; 1840 int ret = 0; 1841 1842 mutex_lock(&dsp->cs_dsp.pwr_lock); 1843 1844 if (list_empty(&dsp->buffer_list)) { 1845 ret = -ENODEV; 1846 goto out; 1847 } 1848 1849 adsp_dbg(dsp, "Handling buffer IRQ\n"); 1850 1851 list_for_each_entry(buf, &dsp->buffer_list, list) { 1852 compr = buf->compr; 1853 1854 ret = wm_adsp_buffer_get_error(buf); 1855 if (ret < 0) 1856 goto out_notify; /* Wake poll to report error */ 1857 1858 ret = wm_adsp_buffer_read(buf, HOST_BUFFER_FIELD(irq_count), 1859 &buf->irq_count); 1860 if (ret < 0) { 1861 compr_err(buf, "Failed to get irq_count: %d\n", ret); 1862 goto out; 1863 } 1864 1865 ret = wm_adsp_buffer_update_avail(buf); 1866 if (ret < 0) { 1867 compr_err(buf, "Error reading avail: %d\n", ret); 1868 goto out; 1869 } 1870 1871 if (wm_adsp_fw[dsp->fw].voice_trigger && buf->irq_count == 2) 1872 ret = WM_ADSP_COMPR_VOICE_TRIGGER; 1873 1874 out_notify: 1875 if (compr && compr->stream) 1876 snd_compr_fragment_elapsed(compr->stream); 1877 } 1878 1879 out: 1880 mutex_unlock(&dsp->cs_dsp.pwr_lock); 1881 1882 return ret; 1883 } 1884 EXPORT_SYMBOL_GPL(wm_adsp_compr_handle_irq); 1885 1886 static int wm_adsp_buffer_reenable_irq(struct wm_adsp_compr_buf *buf) 1887 { 1888 if (buf->irq_count & 0x01) 1889 return 0; 1890 1891 compr_dbg(buf, "Enable IRQ(0x%x) for next fragment\n", buf->irq_count); 1892 1893 buf->irq_count |= 0x01; 1894 1895 return wm_adsp_buffer_write(buf, HOST_BUFFER_FIELD(irq_ack), 1896 buf->irq_count); 1897 } 1898 1899 int wm_adsp_compr_pointer(struct snd_soc_component *component, 1900 struct snd_compr_stream *stream, 1901 struct snd_compr_tstamp64 *tstamp) 1902 { 1903 struct wm_adsp_compr *compr = stream->runtime->private_data; 1904 struct wm_adsp *dsp = compr->dsp; 1905 struct wm_adsp_compr_buf *buf; 1906 int ret = 0; 1907 1908 compr_dbg(compr, "Pointer request\n"); 1909 1910 mutex_lock(&dsp->cs_dsp.pwr_lock); 1911 1912 buf = compr->buf; 1913 1914 if (dsp->fatal_error || !buf || buf->error) { 1915 snd_compr_stop_error(stream, SNDRV_PCM_STATE_XRUN); 1916 ret = -EIO; 1917 goto out; 1918 } 1919 1920 if (buf->avail < wm_adsp_compr_frag_words(compr)) { 1921 ret = wm_adsp_buffer_update_avail(buf); 1922 if (ret < 0) { 1923 compr_err(compr, "Error reading avail: %d\n", ret); 1924 goto out; 1925 } 1926 1927 /* 1928 * If we really have less than 1 fragment available tell the 1929 * DSP to inform us once a whole fragment is available. 1930 */ 1931 if (buf->avail < wm_adsp_compr_frag_words(compr)) { 1932 ret = wm_adsp_buffer_get_error(buf); 1933 if (ret < 0) { 1934 if (buf->error) 1935 snd_compr_stop_error(stream, 1936 SNDRV_PCM_STATE_XRUN); 1937 goto out; 1938 } 1939 1940 ret = wm_adsp_buffer_reenable_irq(buf); 1941 if (ret < 0) { 1942 compr_err(compr, "Failed to re-enable buffer IRQ: %d\n", 1943 ret); 1944 goto out; 1945 } 1946 } 1947 } 1948 1949 tstamp->copied_total = compr->copied_total; 1950 tstamp->copied_total += buf->avail * CS_DSP_DATA_WORD_SIZE; 1951 tstamp->sampling_rate = compr->sample_rate; 1952 1953 out: 1954 mutex_unlock(&dsp->cs_dsp.pwr_lock); 1955 1956 return ret; 1957 } 1958 EXPORT_SYMBOL_GPL(wm_adsp_compr_pointer); 1959 1960 static int wm_adsp_buffer_capture_block(struct wm_adsp_compr *compr, int target) 1961 { 1962 struct wm_adsp_compr_buf *buf = compr->buf; 1963 unsigned int adsp_addr; 1964 int mem_type, nwords, max_read; 1965 int i, ret; 1966 1967 /* Calculate read parameters */ 1968 for (i = 0; i < wm_adsp_fw[buf->dsp->fw].caps->num_regions; ++i) 1969 if (buf->read_index < buf->regions[i].cumulative_size) 1970 break; 1971 1972 if (i == wm_adsp_fw[buf->dsp->fw].caps->num_regions) 1973 return -EINVAL; 1974 1975 mem_type = buf->regions[i].mem_type; 1976 adsp_addr = buf->regions[i].base_addr + 1977 (buf->read_index - buf->regions[i].offset); 1978 1979 max_read = wm_adsp_compr_frag_words(compr); 1980 nwords = buf->regions[i].cumulative_size - buf->read_index; 1981 1982 if (nwords > target) 1983 nwords = target; 1984 if (nwords > buf->avail) 1985 nwords = buf->avail; 1986 if (nwords > max_read) 1987 nwords = max_read; 1988 if (!nwords) 1989 return 0; 1990 1991 /* Read data from DSP */ 1992 ret = cs_dsp_read_raw_data_block(&buf->dsp->cs_dsp, mem_type, adsp_addr, 1993 nwords, (__be32 *)compr->raw_buf); 1994 if (ret < 0) 1995 return ret; 1996 1997 cs_dsp_remove_padding(compr->raw_buf, nwords); 1998 1999 /* update read index to account for words read */ 2000 buf->read_index += nwords; 2001 if (buf->read_index == wm_adsp_buffer_size(buf)) 2002 buf->read_index = 0; 2003 2004 ret = wm_adsp_buffer_write(buf, HOST_BUFFER_FIELD(next_read_index), 2005 buf->read_index); 2006 if (ret < 0) 2007 return ret; 2008 2009 /* update avail to account for words read */ 2010 buf->avail -= nwords; 2011 2012 return nwords; 2013 } 2014 2015 static int wm_adsp_compr_read(struct wm_adsp_compr *compr, 2016 char __user *buf, size_t count) 2017 { 2018 struct wm_adsp *dsp = compr->dsp; 2019 int ntotal = 0; 2020 int nwords, nbytes; 2021 2022 compr_dbg(compr, "Requested read of %zu bytes\n", count); 2023 2024 if (dsp->fatal_error || !compr->buf || compr->buf->error) { 2025 snd_compr_stop_error(compr->stream, SNDRV_PCM_STATE_XRUN); 2026 return -EIO; 2027 } 2028 2029 count /= CS_DSP_DATA_WORD_SIZE; 2030 2031 do { 2032 nwords = wm_adsp_buffer_capture_block(compr, count); 2033 if (nwords < 0) { 2034 compr_err(compr, "Failed to capture block: %d\n", 2035 nwords); 2036 return nwords; 2037 } 2038 2039 nbytes = nwords * CS_DSP_DATA_WORD_SIZE; 2040 2041 compr_dbg(compr, "Read %d bytes\n", nbytes); 2042 2043 if (copy_to_user(buf + ntotal, compr->raw_buf, nbytes)) { 2044 compr_err(compr, "Failed to copy data to user: %d, %d\n", 2045 ntotal, nbytes); 2046 return -EFAULT; 2047 } 2048 2049 count -= nwords; 2050 ntotal += nbytes; 2051 } while (nwords > 0 && count > 0); 2052 2053 compr->copied_total += ntotal; 2054 2055 return ntotal; 2056 } 2057 2058 int wm_adsp_compr_copy(struct snd_soc_component *component, 2059 struct snd_compr_stream *stream, char __user *buf, 2060 size_t count) 2061 { 2062 struct wm_adsp_compr *compr = stream->runtime->private_data; 2063 struct wm_adsp *dsp = compr->dsp; 2064 int ret; 2065 2066 mutex_lock(&dsp->cs_dsp.pwr_lock); 2067 2068 if (stream->direction == SND_COMPRESS_CAPTURE) 2069 ret = wm_adsp_compr_read(compr, buf, count); 2070 else 2071 ret = -ENOTSUPP; 2072 2073 mutex_unlock(&dsp->cs_dsp.pwr_lock); 2074 2075 return ret; 2076 } 2077 EXPORT_SYMBOL_GPL(wm_adsp_compr_copy); 2078 2079 static void wm_adsp_fatal_error(struct cs_dsp *cs_dsp) 2080 { 2081 struct wm_adsp *dsp = container_of(cs_dsp, struct wm_adsp, cs_dsp); 2082 struct wm_adsp_compr *compr; 2083 2084 dsp->fatal_error = true; 2085 2086 list_for_each_entry(compr, &dsp->compr_list, list) { 2087 if (compr->stream) 2088 snd_compr_fragment_elapsed(compr->stream); 2089 } 2090 } 2091 2092 irqreturn_t wm_adsp2_bus_error(int irq, void *data) 2093 { 2094 struct wm_adsp *dsp = (struct wm_adsp *)data; 2095 2096 cs_dsp_adsp2_bus_error(&dsp->cs_dsp); 2097 2098 return IRQ_HANDLED; 2099 } 2100 EXPORT_SYMBOL_GPL(wm_adsp2_bus_error); 2101 2102 irqreturn_t wm_halo_bus_error(int irq, void *data) 2103 { 2104 struct wm_adsp *dsp = (struct wm_adsp *)data; 2105 2106 cs_dsp_halo_bus_error(&dsp->cs_dsp); 2107 2108 return IRQ_HANDLED; 2109 } 2110 EXPORT_SYMBOL_GPL(wm_halo_bus_error); 2111 2112 irqreturn_t wm_halo_wdt_expire(int irq, void *data) 2113 { 2114 struct wm_adsp *dsp = data; 2115 2116 cs_dsp_halo_wdt_expire(&dsp->cs_dsp); 2117 2118 return IRQ_HANDLED; 2119 } 2120 EXPORT_SYMBOL_GPL(wm_halo_wdt_expire); 2121 2122 static const struct cs_dsp_client_ops wm_adsp1_client_ops = { 2123 .control_add = wm_adsp_control_add_cb, 2124 .control_remove = wm_adsp_control_remove, 2125 }; 2126 2127 static const struct cs_dsp_client_ops wm_adsp2_client_ops = { 2128 .control_add = wm_adsp_control_add_cb, 2129 .control_remove = wm_adsp_control_remove, 2130 .pre_run = wm_adsp_pre_run, 2131 .post_run = wm_adsp_event_post_run, 2132 .post_stop = wm_adsp_event_post_stop, 2133 .watchdog_expired = wm_adsp_fatal_error, 2134 }; 2135 2136 MODULE_DESCRIPTION("Cirrus Logic ASoC DSP Support"); 2137 MODULE_LICENSE("GPL v2"); 2138 MODULE_IMPORT_NS("FW_CS_DSP"); 2139