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