1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * wm_adsp.c -- Wolfson ADSP support 4 * 5 * Copyright 2012 Wolfson Microelectronics plc 6 * 7 * Author: Mark Brown <broonie@opensource.wolfsonmicro.com> 8 */ 9 10 #include <linux/ctype.h> 11 #include <linux/module.h> 12 #include <linux/moduleparam.h> 13 #include <linux/init.h> 14 #include <linux/delay.h> 15 #include <linux/firmware.h> 16 #include <linux/list.h> 17 #include <linux/pm.h> 18 #include <linux/pm_runtime.h> 19 #include <linux/regmap.h> 20 #include <linux/regulator/consumer.h> 21 #include <linux/slab.h> 22 #include <linux/workqueue.h> 23 #include <linux/debugfs.h> 24 #include <sound/core.h> 25 #include <sound/pcm.h> 26 #include <sound/pcm_params.h> 27 #include <sound/soc.h> 28 #include <sound/jack.h> 29 #include <sound/initval.h> 30 #include <sound/tlv.h> 31 32 #include "wm_adsp.h" 33 34 #define adsp_crit(_dsp, fmt, ...) \ 35 dev_crit(_dsp->cs_dsp.dev, "%s: " fmt, _dsp->cs_dsp.name, ##__VA_ARGS__) 36 #define adsp_err(_dsp, fmt, ...) \ 37 dev_err(_dsp->cs_dsp.dev, "%s: " fmt, _dsp->cs_dsp.name, ##__VA_ARGS__) 38 #define adsp_warn(_dsp, fmt, ...) \ 39 dev_warn(_dsp->cs_dsp.dev, "%s: " fmt, _dsp->cs_dsp.name, ##__VA_ARGS__) 40 #define adsp_info(_dsp, fmt, ...) \ 41 dev_info(_dsp->cs_dsp.dev, "%s: " fmt, _dsp->cs_dsp.name, ##__VA_ARGS__) 42 #define adsp_dbg(_dsp, fmt, ...) \ 43 dev_dbg(_dsp->cs_dsp.dev, "%s: " fmt, _dsp->cs_dsp.name, ##__VA_ARGS__) 44 45 #define compr_err(_obj, fmt, ...) \ 46 adsp_err(_obj->dsp, "%s: " fmt, _obj->name ? _obj->name : "legacy", \ 47 ##__VA_ARGS__) 48 #define compr_dbg(_obj, fmt, ...) \ 49 adsp_dbg(_obj->dsp, "%s: " fmt, _obj->name ? _obj->name : "legacy", \ 50 ##__VA_ARGS__) 51 52 #define ADSP_MAX_STD_CTRL_SIZE 512 53 54 static const struct cs_dsp_client_ops wm_adsp1_client_ops; 55 static const struct cs_dsp_client_ops wm_adsp2_client_ops; 56 57 #define WM_ADSP_FW_MBC_VSS 0 58 #define WM_ADSP_FW_HIFI 1 59 #define WM_ADSP_FW_TX 2 60 #define WM_ADSP_FW_TX_SPK 3 61 #define WM_ADSP_FW_RX 4 62 #define WM_ADSP_FW_RX_ANC 5 63 #define WM_ADSP_FW_CTRL 6 64 #define WM_ADSP_FW_ASR 7 65 #define WM_ADSP_FW_TRACE 8 66 #define WM_ADSP_FW_SPK_PROT 9 67 #define WM_ADSP_FW_SPK_CALI 10 68 #define WM_ADSP_FW_SPK_DIAG 11 69 #define WM_ADSP_FW_MISC 12 70 71 #define WM_ADSP_NUM_FW 13 72 73 static const char *wm_adsp_fw_text[WM_ADSP_NUM_FW] = { 74 [WM_ADSP_FW_MBC_VSS] = "MBC/VSS", 75 [WM_ADSP_FW_HIFI] = "MasterHiFi", 76 [WM_ADSP_FW_TX] = "Tx", 77 [WM_ADSP_FW_TX_SPK] = "Tx Speaker", 78 [WM_ADSP_FW_RX] = "Rx", 79 [WM_ADSP_FW_RX_ANC] = "Rx ANC", 80 [WM_ADSP_FW_CTRL] = "Voice Ctrl", 81 [WM_ADSP_FW_ASR] = "ASR Assist", 82 [WM_ADSP_FW_TRACE] = "Dbg Trace", 83 [WM_ADSP_FW_SPK_PROT] = "Protection", 84 [WM_ADSP_FW_SPK_CALI] = "Calibration", 85 [WM_ADSP_FW_SPK_DIAG] = "Diagnostic", 86 [WM_ADSP_FW_MISC] = "Misc", 87 }; 88 89 struct wm_adsp_system_config_xm_hdr { 90 __be32 sys_enable; 91 __be32 fw_id; 92 __be32 fw_rev; 93 __be32 boot_status; 94 __be32 watchdog; 95 __be32 dma_buffer_size; 96 __be32 rdma[6]; 97 __be32 wdma[8]; 98 __be32 build_job_name[3]; 99 __be32 build_job_number; 100 }; 101 102 struct wm_halo_system_config_xm_hdr { 103 __be32 halo_heartbeat; 104 __be32 build_job_name[3]; 105 __be32 build_job_number; 106 }; 107 108 struct wm_adsp_alg_xm_struct { 109 __be32 magic; 110 __be32 smoothing; 111 __be32 threshold; 112 __be32 host_buf_ptr; 113 __be32 start_seq; 114 __be32 high_water_mark; 115 __be32 low_water_mark; 116 __be64 smoothed_power; 117 }; 118 119 struct wm_adsp_host_buf_coeff_v1 { 120 __be32 host_buf_ptr; /* Host buffer pointer */ 121 __be32 versions; /* Version numbers */ 122 __be32 name[4]; /* The buffer name */ 123 }; 124 125 struct wm_adsp_buffer { 126 __be32 buf1_base; /* Base addr of first buffer area */ 127 __be32 buf1_size; /* Size of buf1 area in DSP words */ 128 __be32 buf2_base; /* Base addr of 2nd buffer area */ 129 __be32 buf1_buf2_size; /* Size of buf1+buf2 in DSP words */ 130 __be32 buf3_base; /* Base addr of buf3 area */ 131 __be32 buf_total_size; /* Size of buf1+buf2+buf3 in DSP words */ 132 __be32 high_water_mark; /* Point at which IRQ is asserted */ 133 __be32 irq_count; /* bits 1-31 count IRQ assertions */ 134 __be32 irq_ack; /* acked IRQ count, bit 0 enables IRQ */ 135 __be32 next_write_index; /* word index of next write */ 136 __be32 next_read_index; /* word index of next read */ 137 __be32 error; /* error if any */ 138 __be32 oldest_block_index; /* word index of oldest surviving */ 139 __be32 requested_rewind; /* how many blocks rewind was done */ 140 __be32 reserved_space; /* internal */ 141 __be32 min_free; /* min free space since stream start */ 142 __be32 blocks_written[2]; /* total blocks written (64 bit) */ 143 __be32 words_written[2]; /* total words written (64 bit) */ 144 }; 145 146 struct wm_adsp_compr; 147 148 struct wm_adsp_compr_buf { 149 struct list_head list; 150 struct wm_adsp *dsp; 151 struct wm_adsp_compr *compr; 152 153 struct wm_adsp_buffer_region *regions; 154 u32 host_buf_ptr; 155 156 u32 error; 157 u32 irq_count; 158 int read_index; 159 int avail; 160 int host_buf_mem_type; 161 162 char *name; 163 }; 164 165 struct wm_adsp_compr { 166 struct list_head list; 167 struct wm_adsp *dsp; 168 struct wm_adsp_compr_buf *buf; 169 170 struct snd_compr_stream *stream; 171 struct snd_compressed_buffer size; 172 173 u32 *raw_buf; 174 unsigned int copied_total; 175 176 unsigned int sample_rate; 177 178 const char *name; 179 }; 180 181 #define WM_ADSP_MIN_FRAGMENTS 1 182 #define WM_ADSP_MAX_FRAGMENTS 256 183 #define WM_ADSP_MIN_FRAGMENT_SIZE (64 * CS_DSP_DATA_WORD_SIZE) 184 #define WM_ADSP_MAX_FRAGMENT_SIZE (4096 * CS_DSP_DATA_WORD_SIZE) 185 186 #define WM_ADSP_ALG_XM_STRUCT_MAGIC 0x49aec7 187 188 #define HOST_BUFFER_FIELD(field) \ 189 (offsetof(struct wm_adsp_buffer, field) / sizeof(__be32)) 190 191 #define ALG_XM_FIELD(field) \ 192 (offsetof(struct wm_adsp_alg_xm_struct, field) / sizeof(__be32)) 193 194 #define HOST_BUF_COEFF_SUPPORTED_COMPAT_VER 1 195 196 #define HOST_BUF_COEFF_COMPAT_VER_MASK 0xFF00 197 #define HOST_BUF_COEFF_COMPAT_VER_SHIFT 8 198 199 static int wm_adsp_buffer_init(struct wm_adsp *dsp); 200 static int wm_adsp_buffer_free(struct wm_adsp *dsp); 201 202 struct wm_adsp_buffer_region { 203 unsigned int offset; 204 unsigned int cumulative_size; 205 unsigned int mem_type; 206 unsigned int base_addr; 207 }; 208 209 struct wm_adsp_buffer_region_def { 210 unsigned int mem_type; 211 unsigned int base_offset; 212 unsigned int size_offset; 213 }; 214 215 static const struct wm_adsp_buffer_region_def default_regions[] = { 216 { 217 .mem_type = WMFW_ADSP2_XM, 218 .base_offset = HOST_BUFFER_FIELD(buf1_base), 219 .size_offset = HOST_BUFFER_FIELD(buf1_size), 220 }, 221 { 222 .mem_type = WMFW_ADSP2_XM, 223 .base_offset = HOST_BUFFER_FIELD(buf2_base), 224 .size_offset = HOST_BUFFER_FIELD(buf1_buf2_size), 225 }, 226 { 227 .mem_type = WMFW_ADSP2_YM, 228 .base_offset = HOST_BUFFER_FIELD(buf3_base), 229 .size_offset = HOST_BUFFER_FIELD(buf_total_size), 230 }, 231 }; 232 233 struct wm_adsp_fw_caps { 234 u32 id; 235 struct snd_codec_desc desc; 236 int num_regions; 237 const struct wm_adsp_buffer_region_def *region_defs; 238 }; 239 240 static const struct wm_adsp_fw_caps ctrl_caps[] = { 241 { 242 .id = SND_AUDIOCODEC_BESPOKE, 243 .desc = { 244 .max_ch = 8, 245 .sample_rates = { 16000 }, 246 .num_sample_rates = 1, 247 .formats = SNDRV_PCM_FMTBIT_S16_LE, 248 }, 249 .num_regions = ARRAY_SIZE(default_regions), 250 .region_defs = default_regions, 251 }, 252 }; 253 254 static const struct wm_adsp_fw_caps trace_caps[] = { 255 { 256 .id = SND_AUDIOCODEC_BESPOKE, 257 .desc = { 258 .max_ch = 8, 259 .sample_rates = { 260 4000, 8000, 11025, 12000, 16000, 22050, 261 24000, 32000, 44100, 48000, 64000, 88200, 262 96000, 176400, 192000 263 }, 264 .num_sample_rates = 15, 265 .formats = SNDRV_PCM_FMTBIT_S16_LE, 266 }, 267 .num_regions = ARRAY_SIZE(default_regions), 268 .region_defs = default_regions, 269 }, 270 }; 271 272 static const struct { 273 const char *file; 274 int compr_direction; 275 int num_caps; 276 const struct wm_adsp_fw_caps *caps; 277 bool voice_trigger; 278 } wm_adsp_fw[WM_ADSP_NUM_FW] = { 279 [WM_ADSP_FW_MBC_VSS] = { .file = "mbc-vss" }, 280 [WM_ADSP_FW_HIFI] = { .file = "hifi" }, 281 [WM_ADSP_FW_TX] = { .file = "tx" }, 282 [WM_ADSP_FW_TX_SPK] = { .file = "tx-spk" }, 283 [WM_ADSP_FW_RX] = { .file = "rx" }, 284 [WM_ADSP_FW_RX_ANC] = { .file = "rx-anc" }, 285 [WM_ADSP_FW_CTRL] = { 286 .file = "ctrl", 287 .compr_direction = SND_COMPRESS_CAPTURE, 288 .num_caps = ARRAY_SIZE(ctrl_caps), 289 .caps = ctrl_caps, 290 .voice_trigger = true, 291 }, 292 [WM_ADSP_FW_ASR] = { .file = "asr" }, 293 [WM_ADSP_FW_TRACE] = { 294 .file = "trace", 295 .compr_direction = SND_COMPRESS_CAPTURE, 296 .num_caps = ARRAY_SIZE(trace_caps), 297 .caps = trace_caps, 298 }, 299 [WM_ADSP_FW_SPK_PROT] = { .file = "spk-prot" }, 300 [WM_ADSP_FW_SPK_CALI] = { .file = "spk-cali" }, 301 [WM_ADSP_FW_SPK_DIAG] = { .file = "spk-diag" }, 302 [WM_ADSP_FW_MISC] = { .file = "misc" }, 303 }; 304 305 struct wm_coeff_ctl { 306 const char *name; 307 struct cs_dsp_coeff_ctl *cs_ctl; 308 struct soc_bytes_ext bytes_ext; 309 struct work_struct work; 310 }; 311 312 int wm_adsp_fw_get(struct snd_kcontrol *kcontrol, 313 struct snd_ctl_elem_value *ucontrol) 314 { 315 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); 316 struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; 317 struct wm_adsp *dsp = snd_soc_component_get_drvdata(component); 318 319 ucontrol->value.enumerated.item[0] = dsp[e->shift_l].fw; 320 321 return 0; 322 } 323 EXPORT_SYMBOL_GPL(wm_adsp_fw_get); 324 325 int wm_adsp_fw_put(struct snd_kcontrol *kcontrol, 326 struct snd_ctl_elem_value *ucontrol) 327 { 328 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); 329 struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; 330 struct wm_adsp *dsp = snd_soc_component_get_drvdata(component); 331 int ret = 0; 332 333 if (ucontrol->value.enumerated.item[0] == dsp[e->shift_l].fw) 334 return 0; 335 336 if (ucontrol->value.enumerated.item[0] >= WM_ADSP_NUM_FW) 337 return -EINVAL; 338 339 mutex_lock(&dsp[e->shift_l].cs_dsp.pwr_lock); 340 341 if (dsp[e->shift_l].cs_dsp.booted || !list_empty(&dsp[e->shift_l].compr_list)) 342 ret = -EBUSY; 343 else 344 dsp[e->shift_l].fw = ucontrol->value.enumerated.item[0]; 345 346 mutex_unlock(&dsp[e->shift_l].cs_dsp.pwr_lock); 347 348 return ret; 349 } 350 EXPORT_SYMBOL_GPL(wm_adsp_fw_put); 351 352 const struct soc_enum wm_adsp_fw_enum[] = { 353 SOC_ENUM_SINGLE(0, 0, ARRAY_SIZE(wm_adsp_fw_text), wm_adsp_fw_text), 354 SOC_ENUM_SINGLE(0, 1, ARRAY_SIZE(wm_adsp_fw_text), wm_adsp_fw_text), 355 SOC_ENUM_SINGLE(0, 2, ARRAY_SIZE(wm_adsp_fw_text), wm_adsp_fw_text), 356 SOC_ENUM_SINGLE(0, 3, ARRAY_SIZE(wm_adsp_fw_text), wm_adsp_fw_text), 357 SOC_ENUM_SINGLE(0, 4, ARRAY_SIZE(wm_adsp_fw_text), wm_adsp_fw_text), 358 SOC_ENUM_SINGLE(0, 5, ARRAY_SIZE(wm_adsp_fw_text), wm_adsp_fw_text), 359 SOC_ENUM_SINGLE(0, 6, ARRAY_SIZE(wm_adsp_fw_text), wm_adsp_fw_text), 360 }; 361 EXPORT_SYMBOL_GPL(wm_adsp_fw_enum); 362 363 static inline struct wm_coeff_ctl *bytes_ext_to_ctl(struct soc_bytes_ext *ext) 364 { 365 return container_of(ext, struct wm_coeff_ctl, bytes_ext); 366 } 367 368 static int wm_coeff_info(struct snd_kcontrol *kctl, 369 struct snd_ctl_elem_info *uinfo) 370 { 371 struct soc_bytes_ext *bytes_ext = 372 (struct soc_bytes_ext *)kctl->private_value; 373 struct wm_coeff_ctl *ctl = bytes_ext_to_ctl(bytes_ext); 374 struct cs_dsp_coeff_ctl *cs_ctl = ctl->cs_ctl; 375 376 switch (cs_ctl->type) { 377 case WMFW_CTL_TYPE_ACKED: 378 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 379 uinfo->value.integer.min = CS_DSP_ACKED_CTL_MIN_VALUE; 380 uinfo->value.integer.max = CS_DSP_ACKED_CTL_MAX_VALUE; 381 uinfo->value.integer.step = 1; 382 uinfo->count = 1; 383 break; 384 default: 385 uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES; 386 uinfo->count = cs_ctl->len; 387 break; 388 } 389 390 return 0; 391 } 392 393 static int wm_coeff_put(struct snd_kcontrol *kctl, 394 struct snd_ctl_elem_value *ucontrol) 395 { 396 struct soc_bytes_ext *bytes_ext = 397 (struct soc_bytes_ext *)kctl->private_value; 398 struct wm_coeff_ctl *ctl = bytes_ext_to_ctl(bytes_ext); 399 struct cs_dsp_coeff_ctl *cs_ctl = ctl->cs_ctl; 400 char *p = ucontrol->value.bytes.data; 401 int ret = 0; 402 403 mutex_lock(&cs_ctl->dsp->pwr_lock); 404 ret = cs_dsp_coeff_write_ctrl(cs_ctl, p, cs_ctl->len); 405 mutex_unlock(&cs_ctl->dsp->pwr_lock); 406 407 return ret; 408 } 409 410 static int wm_coeff_tlv_put(struct snd_kcontrol *kctl, 411 const unsigned int __user *bytes, unsigned int size) 412 { 413 struct soc_bytes_ext *bytes_ext = 414 (struct soc_bytes_ext *)kctl->private_value; 415 struct wm_coeff_ctl *ctl = bytes_ext_to_ctl(bytes_ext); 416 struct cs_dsp_coeff_ctl *cs_ctl = ctl->cs_ctl; 417 int ret = 0; 418 419 mutex_lock(&cs_ctl->dsp->pwr_lock); 420 421 if (copy_from_user(cs_ctl->cache, bytes, size)) 422 ret = -EFAULT; 423 else 424 ret = cs_dsp_coeff_write_ctrl(cs_ctl, cs_ctl->cache, size); 425 426 mutex_unlock(&cs_ctl->dsp->pwr_lock); 427 428 return ret; 429 } 430 431 static int wm_coeff_put_acked(struct snd_kcontrol *kctl, 432 struct snd_ctl_elem_value *ucontrol) 433 { 434 struct soc_bytes_ext *bytes_ext = 435 (struct soc_bytes_ext *)kctl->private_value; 436 struct wm_coeff_ctl *ctl = bytes_ext_to_ctl(bytes_ext); 437 struct cs_dsp_coeff_ctl *cs_ctl = ctl->cs_ctl; 438 unsigned int val = ucontrol->value.integer.value[0]; 439 int ret; 440 441 if (val == 0) 442 return 0; /* 0 means no event */ 443 444 mutex_lock(&cs_ctl->dsp->pwr_lock); 445 446 if (cs_ctl->enabled) 447 ret = cs_dsp_coeff_write_acked_control(cs_ctl, val); 448 else 449 ret = -EPERM; 450 451 mutex_unlock(&cs_ctl->dsp->pwr_lock); 452 453 return ret; 454 } 455 456 static int wm_coeff_get(struct snd_kcontrol *kctl, 457 struct snd_ctl_elem_value *ucontrol) 458 { 459 struct soc_bytes_ext *bytes_ext = 460 (struct soc_bytes_ext *)kctl->private_value; 461 struct wm_coeff_ctl *ctl = bytes_ext_to_ctl(bytes_ext); 462 struct cs_dsp_coeff_ctl *cs_ctl = ctl->cs_ctl; 463 char *p = ucontrol->value.bytes.data; 464 int ret; 465 466 mutex_lock(&cs_ctl->dsp->pwr_lock); 467 ret = cs_dsp_coeff_read_ctrl(cs_ctl, p, cs_ctl->len); 468 mutex_unlock(&cs_ctl->dsp->pwr_lock); 469 470 return ret; 471 } 472 473 static int wm_coeff_tlv_get(struct snd_kcontrol *kctl, 474 unsigned int __user *bytes, unsigned int size) 475 { 476 struct soc_bytes_ext *bytes_ext = 477 (struct soc_bytes_ext *)kctl->private_value; 478 struct wm_coeff_ctl *ctl = bytes_ext_to_ctl(bytes_ext); 479 struct cs_dsp_coeff_ctl *cs_ctl = ctl->cs_ctl; 480 int ret = 0; 481 482 mutex_lock(&cs_ctl->dsp->pwr_lock); 483 484 ret = cs_dsp_coeff_read_ctrl(cs_ctl, cs_ctl->cache, size); 485 486 if (!ret && copy_to_user(bytes, cs_ctl->cache, size)) 487 ret = -EFAULT; 488 489 mutex_unlock(&cs_ctl->dsp->pwr_lock); 490 491 return ret; 492 } 493 494 static int wm_coeff_get_acked(struct snd_kcontrol *kcontrol, 495 struct snd_ctl_elem_value *ucontrol) 496 { 497 /* 498 * Although it's not useful to read an acked control, we must satisfy 499 * user-side assumptions that all controls are readable and that a 500 * write of the same value should be filtered out (it's valid to send 501 * the same event number again to the firmware). We therefore return 0, 502 * meaning "no event" so valid event numbers will always be a change 503 */ 504 ucontrol->value.integer.value[0] = 0; 505 506 return 0; 507 } 508 509 static unsigned int wmfw_convert_flags(unsigned int in, unsigned int len) 510 { 511 unsigned int out, rd, wr, vol; 512 513 if (len > ADSP_MAX_STD_CTRL_SIZE) { 514 rd = SNDRV_CTL_ELEM_ACCESS_TLV_READ; 515 wr = SNDRV_CTL_ELEM_ACCESS_TLV_WRITE; 516 vol = SNDRV_CTL_ELEM_ACCESS_VOLATILE; 517 518 out = SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK; 519 } else { 520 rd = SNDRV_CTL_ELEM_ACCESS_READ; 521 wr = SNDRV_CTL_ELEM_ACCESS_WRITE; 522 vol = SNDRV_CTL_ELEM_ACCESS_VOLATILE; 523 524 out = 0; 525 } 526 527 if (in) { 528 out |= rd; 529 if (in & WMFW_CTL_FLAG_WRITEABLE) 530 out |= wr; 531 if (in & WMFW_CTL_FLAG_VOLATILE) 532 out |= vol; 533 } else { 534 out |= rd | wr | vol; 535 } 536 537 return out; 538 } 539 540 static int wmfw_add_ctl(struct wm_adsp *dsp, struct wm_coeff_ctl *ctl) 541 { 542 struct cs_dsp_coeff_ctl *cs_ctl = ctl->cs_ctl; 543 struct snd_kcontrol_new *kcontrol; 544 int ret; 545 546 kcontrol = kzalloc(sizeof(*kcontrol), GFP_KERNEL); 547 if (!kcontrol) 548 return -ENOMEM; 549 550 kcontrol->name = ctl->name; 551 kcontrol->info = wm_coeff_info; 552 kcontrol->iface = SNDRV_CTL_ELEM_IFACE_MIXER; 553 kcontrol->tlv.c = snd_soc_bytes_tlv_callback; 554 kcontrol->private_value = (unsigned long)&ctl->bytes_ext; 555 kcontrol->access = wmfw_convert_flags(cs_ctl->flags, cs_ctl->len); 556 557 switch (cs_ctl->type) { 558 case WMFW_CTL_TYPE_ACKED: 559 kcontrol->get = wm_coeff_get_acked; 560 kcontrol->put = wm_coeff_put_acked; 561 break; 562 default: 563 if (kcontrol->access & SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK) { 564 ctl->bytes_ext.max = cs_ctl->len; 565 ctl->bytes_ext.get = wm_coeff_tlv_get; 566 ctl->bytes_ext.put = wm_coeff_tlv_put; 567 } else { 568 kcontrol->get = wm_coeff_get; 569 kcontrol->put = wm_coeff_put; 570 } 571 break; 572 } 573 574 ret = snd_soc_add_component_controls(dsp->component, kcontrol, 1); 575 if (ret < 0) 576 goto err_kcontrol; 577 578 kfree(kcontrol); 579 580 return 0; 581 582 err_kcontrol: 583 kfree(kcontrol); 584 return ret; 585 } 586 587 static void wm_adsp_ctl_work(struct work_struct *work) 588 { 589 struct wm_coeff_ctl *ctl = container_of(work, 590 struct wm_coeff_ctl, 591 work); 592 struct wm_adsp *dsp = container_of(ctl->cs_ctl->dsp, 593 struct wm_adsp, 594 cs_dsp); 595 596 wmfw_add_ctl(dsp, ctl); 597 } 598 599 static int wm_adsp_control_add(struct cs_dsp_coeff_ctl *cs_ctl) 600 { 601 struct wm_adsp *dsp = container_of(cs_ctl->dsp, struct wm_adsp, cs_dsp); 602 struct cs_dsp *cs_dsp = &dsp->cs_dsp; 603 struct wm_coeff_ctl *ctl; 604 char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; 605 const char *region_name; 606 int ret; 607 608 if (cs_ctl->flags & WMFW_CTL_FLAG_SYS) 609 return 0; 610 611 region_name = cs_dsp_mem_region_name(cs_ctl->alg_region.type); 612 if (!region_name) { 613 adsp_err(dsp, "Unknown region type: %d\n", cs_ctl->alg_region.type); 614 return -EINVAL; 615 } 616 617 switch (cs_dsp->fw_ver) { 618 case 0: 619 case 1: 620 snprintf(name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN, "%s %s %x", 621 cs_dsp->name, region_name, cs_ctl->alg_region.alg); 622 break; 623 case 2: 624 ret = scnprintf(name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN, 625 "%s%c %.12s %x", cs_dsp->name, *region_name, 626 wm_adsp_fw_text[dsp->fw], cs_ctl->alg_region.alg); 627 break; 628 default: 629 ret = scnprintf(name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN, 630 "%s %.12s %x", cs_dsp->name, 631 wm_adsp_fw_text[dsp->fw], cs_ctl->alg_region.alg); 632 break; 633 } 634 635 if (cs_ctl->subname) { 636 int avail = SNDRV_CTL_ELEM_ID_NAME_MAXLEN - ret - 2; 637 int skip = 0; 638 639 if (dsp->component->name_prefix) 640 avail -= strlen(dsp->component->name_prefix) + 1; 641 642 /* Truncate the subname from the start if it is too long */ 643 if (cs_ctl->subname_len > avail) 644 skip = cs_ctl->subname_len - avail; 645 646 snprintf(name + ret, SNDRV_CTL_ELEM_ID_NAME_MAXLEN - ret, 647 " %.*s", cs_ctl->subname_len - skip, cs_ctl->subname + skip); 648 } 649 650 ctl = kzalloc(sizeof(*ctl), GFP_KERNEL); 651 if (!ctl) 652 return -ENOMEM; 653 ctl->cs_ctl = cs_ctl; 654 655 ctl->name = kmemdup(name, strlen(name) + 1, GFP_KERNEL); 656 if (!ctl->name) { 657 ret = -ENOMEM; 658 goto err_ctl; 659 } 660 661 cs_ctl->priv = ctl; 662 663 INIT_WORK(&ctl->work, wm_adsp_ctl_work); 664 schedule_work(&ctl->work); 665 666 return 0; 667 668 err_ctl: 669 kfree(ctl); 670 671 return ret; 672 } 673 674 static void wm_adsp_control_remove(struct cs_dsp_coeff_ctl *cs_ctl) 675 { 676 struct wm_coeff_ctl *ctl = cs_ctl->priv; 677 678 cancel_work_sync(&ctl->work); 679 680 kfree(ctl->name); 681 kfree(ctl); 682 } 683 684 int wm_adsp_write_ctl(struct wm_adsp *dsp, const char *name, int type, 685 unsigned int alg, void *buf, size_t len) 686 { 687 struct cs_dsp_coeff_ctl *cs_ctl; 688 struct wm_coeff_ctl *ctl; 689 struct snd_kcontrol *kcontrol; 690 char ctl_name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; 691 int ret; 692 693 cs_ctl = cs_dsp_get_ctl(&dsp->cs_dsp, name, type, alg); 694 if (!cs_ctl) 695 return -EINVAL; 696 697 ctl = cs_ctl->priv; 698 699 if (len > cs_ctl->len) 700 return -EINVAL; 701 702 ret = cs_dsp_coeff_write_ctrl(cs_ctl, buf, len); 703 if (ret) 704 return ret; 705 706 if (cs_ctl->flags & WMFW_CTL_FLAG_SYS) 707 return 0; 708 709 if (dsp->component->name_prefix) 710 snprintf(ctl_name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN, "%s %s", 711 dsp->component->name_prefix, ctl->name); 712 else 713 snprintf(ctl_name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN, "%s", 714 ctl->name); 715 716 kcontrol = snd_soc_card_get_kcontrol(dsp->component->card, ctl_name); 717 if (!kcontrol) { 718 adsp_err(dsp, "Can't find kcontrol %s\n", ctl_name); 719 return -EINVAL; 720 } 721 722 snd_ctl_notify(dsp->component->card->snd_card, 723 SNDRV_CTL_EVENT_MASK_VALUE, &kcontrol->id); 724 725 return 0; 726 } 727 EXPORT_SYMBOL_GPL(wm_adsp_write_ctl); 728 729 int wm_adsp_read_ctl(struct wm_adsp *dsp, const char *name, int type, 730 unsigned int alg, void *buf, size_t len) 731 { 732 struct cs_dsp_coeff_ctl *cs_ctl; 733 734 cs_ctl = cs_dsp_get_ctl(&dsp->cs_dsp, name, type, alg); 735 if (!cs_ctl) 736 return -EINVAL; 737 738 if (len > cs_ctl->len) 739 return -EINVAL; 740 741 return cs_dsp_coeff_read_ctrl(cs_ctl, buf, len); 742 } 743 EXPORT_SYMBOL_GPL(wm_adsp_read_ctl); 744 745 static void wm_adsp_release_firmware_files(struct wm_adsp *dsp, 746 const struct firmware *wmfw_firmware, 747 char *wmfw_filename, 748 const struct firmware *coeff_firmware, 749 char *coeff_filename) 750 { 751 if (wmfw_firmware) 752 release_firmware(wmfw_firmware); 753 kfree(wmfw_filename); 754 755 if (coeff_firmware) 756 release_firmware(coeff_firmware); 757 kfree(coeff_filename); 758 } 759 760 static int wm_adsp_request_firmware_file(struct wm_adsp *dsp, 761 const struct firmware **firmware, 762 char **filename, 763 char *suffix) 764 { 765 struct cs_dsp *cs_dsp = &dsp->cs_dsp; 766 int ret = 0; 767 768 *filename = kasprintf(GFP_KERNEL, "%s-%s-%s.%s", dsp->part, dsp->fwf_name, 769 wm_adsp_fw[dsp->fw].file, suffix); 770 if (*filename == NULL) 771 return -ENOMEM; 772 773 ret = request_firmware(firmware, *filename, cs_dsp->dev); 774 if (ret != 0) { 775 adsp_err(dsp, "Failed to request '%s'\n", *filename); 776 kfree(*filename); 777 *filename = NULL; 778 } 779 780 return ret; 781 } 782 783 static int wm_adsp_request_firmware_files(struct wm_adsp *dsp, 784 const struct firmware **wmfw_firmware, 785 char **wmfw_filename, 786 const struct firmware **coeff_firmware, 787 char **coeff_filename) 788 { 789 int ret = 0; 790 791 ret = wm_adsp_request_firmware_file(dsp, wmfw_firmware, wmfw_filename, "wmfw"); 792 if (ret != 0) 793 return ret; 794 795 wm_adsp_request_firmware_file(dsp, coeff_firmware, coeff_filename, "bin"); 796 797 return 0; 798 } 799 800 static int wm_adsp_common_init(struct wm_adsp *dsp) 801 { 802 char *p; 803 804 INIT_LIST_HEAD(&dsp->compr_list); 805 INIT_LIST_HEAD(&dsp->buffer_list); 806 807 if (!dsp->fwf_name) { 808 p = devm_kstrdup(dsp->cs_dsp.dev, dsp->cs_dsp.name, GFP_KERNEL); 809 if (!p) 810 return -ENOMEM; 811 812 dsp->fwf_name = p; 813 for (; *p != 0; ++p) 814 *p = tolower(*p); 815 } 816 817 return 0; 818 } 819 820 int wm_adsp1_init(struct wm_adsp *dsp) 821 { 822 int ret; 823 824 dsp->cs_dsp.client_ops = &wm_adsp1_client_ops; 825 826 ret = cs_dsp_adsp1_init(&dsp->cs_dsp); 827 if (ret) 828 return ret; 829 830 return wm_adsp_common_init(dsp); 831 } 832 EXPORT_SYMBOL_GPL(wm_adsp1_init); 833 834 int wm_adsp1_event(struct snd_soc_dapm_widget *w, 835 struct snd_kcontrol *kcontrol, 836 int event) 837 { 838 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); 839 struct wm_adsp *dsps = snd_soc_component_get_drvdata(component); 840 struct wm_adsp *dsp = &dsps[w->shift]; 841 int ret = 0; 842 char *wmfw_filename = NULL; 843 const struct firmware *wmfw_firmware = NULL; 844 char *coeff_filename = NULL; 845 const struct firmware *coeff_firmware = NULL; 846 847 dsp->component = component; 848 849 switch (event) { 850 case SND_SOC_DAPM_POST_PMU: 851 ret = wm_adsp_request_firmware_files(dsp, 852 &wmfw_firmware, &wmfw_filename, 853 &coeff_firmware, &coeff_filename); 854 if (ret) 855 break; 856 857 ret = cs_dsp_adsp1_power_up(&dsp->cs_dsp, 858 wmfw_firmware, wmfw_filename, 859 coeff_firmware, coeff_filename, 860 wm_adsp_fw_text[dsp->fw]); 861 862 wm_adsp_release_firmware_files(dsp, 863 wmfw_firmware, wmfw_filename, 864 coeff_firmware, coeff_filename); 865 break; 866 case SND_SOC_DAPM_PRE_PMD: 867 cs_dsp_adsp1_power_down(&dsp->cs_dsp); 868 break; 869 default: 870 break; 871 } 872 873 return ret; 874 } 875 EXPORT_SYMBOL_GPL(wm_adsp1_event); 876 877 int wm_adsp2_set_dspclk(struct snd_soc_dapm_widget *w, unsigned int freq) 878 { 879 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); 880 struct wm_adsp *dsps = snd_soc_component_get_drvdata(component); 881 struct wm_adsp *dsp = &dsps[w->shift]; 882 883 return cs_dsp_set_dspclk(&dsp->cs_dsp, freq); 884 } 885 EXPORT_SYMBOL_GPL(wm_adsp2_set_dspclk); 886 887 int wm_adsp2_preloader_get(struct snd_kcontrol *kcontrol, 888 struct snd_ctl_elem_value *ucontrol) 889 { 890 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); 891 struct wm_adsp *dsps = snd_soc_component_get_drvdata(component); 892 struct soc_mixer_control *mc = 893 (struct soc_mixer_control *)kcontrol->private_value; 894 struct wm_adsp *dsp = &dsps[mc->shift - 1]; 895 896 ucontrol->value.integer.value[0] = dsp->preloaded; 897 898 return 0; 899 } 900 EXPORT_SYMBOL_GPL(wm_adsp2_preloader_get); 901 902 int wm_adsp2_preloader_put(struct snd_kcontrol *kcontrol, 903 struct snd_ctl_elem_value *ucontrol) 904 { 905 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); 906 struct wm_adsp *dsps = snd_soc_component_get_drvdata(component); 907 struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component); 908 struct soc_mixer_control *mc = 909 (struct soc_mixer_control *)kcontrol->private_value; 910 struct wm_adsp *dsp = &dsps[mc->shift - 1]; 911 char preload[32]; 912 913 snprintf(preload, ARRAY_SIZE(preload), "%s Preload", dsp->cs_dsp.name); 914 915 dsp->preloaded = ucontrol->value.integer.value[0]; 916 917 if (ucontrol->value.integer.value[0]) 918 snd_soc_component_force_enable_pin(component, preload); 919 else 920 snd_soc_component_disable_pin(component, preload); 921 922 snd_soc_dapm_sync(dapm); 923 924 flush_work(&dsp->boot_work); 925 926 return 0; 927 } 928 EXPORT_SYMBOL_GPL(wm_adsp2_preloader_put); 929 930 static void wm_adsp_boot_work(struct work_struct *work) 931 { 932 struct wm_adsp *dsp = container_of(work, 933 struct wm_adsp, 934 boot_work); 935 int ret = 0; 936 char *wmfw_filename = NULL; 937 const struct firmware *wmfw_firmware = NULL; 938 char *coeff_filename = NULL; 939 const struct firmware *coeff_firmware = NULL; 940 941 ret = wm_adsp_request_firmware_files(dsp, 942 &wmfw_firmware, &wmfw_filename, 943 &coeff_firmware, &coeff_filename); 944 if (ret) 945 return; 946 947 cs_dsp_power_up(&dsp->cs_dsp, 948 wmfw_firmware, wmfw_filename, 949 coeff_firmware, coeff_filename, 950 wm_adsp_fw_text[dsp->fw]); 951 952 wm_adsp_release_firmware_files(dsp, 953 wmfw_firmware, wmfw_filename, 954 coeff_firmware, coeff_filename); 955 } 956 957 int wm_adsp_early_event(struct snd_soc_dapm_widget *w, 958 struct snd_kcontrol *kcontrol, int event) 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 switch (event) { 965 case SND_SOC_DAPM_PRE_PMU: 966 queue_work(system_unbound_wq, &dsp->boot_work); 967 break; 968 case SND_SOC_DAPM_PRE_PMD: 969 cs_dsp_power_down(&dsp->cs_dsp); 970 break; 971 default: 972 break; 973 } 974 975 return 0; 976 } 977 EXPORT_SYMBOL_GPL(wm_adsp_early_event); 978 979 static int wm_adsp_event_post_run(struct cs_dsp *cs_dsp) 980 { 981 struct wm_adsp *dsp = container_of(cs_dsp, struct wm_adsp, cs_dsp); 982 983 if (wm_adsp_fw[dsp->fw].num_caps != 0) 984 return wm_adsp_buffer_init(dsp); 985 986 return 0; 987 } 988 989 static void wm_adsp_event_post_stop(struct cs_dsp *cs_dsp) 990 { 991 struct wm_adsp *dsp = container_of(cs_dsp, struct wm_adsp, cs_dsp); 992 993 if (wm_adsp_fw[dsp->fw].num_caps != 0) 994 wm_adsp_buffer_free(dsp); 995 996 dsp->fatal_error = false; 997 } 998 999 int wm_adsp_event(struct snd_soc_dapm_widget *w, 1000 struct snd_kcontrol *kcontrol, int event) 1001 { 1002 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); 1003 struct wm_adsp *dsps = snd_soc_component_get_drvdata(component); 1004 struct wm_adsp *dsp = &dsps[w->shift]; 1005 int ret = 0; 1006 1007 switch (event) { 1008 case SND_SOC_DAPM_POST_PMU: 1009 flush_work(&dsp->boot_work); 1010 ret = cs_dsp_run(&dsp->cs_dsp); 1011 break; 1012 case SND_SOC_DAPM_PRE_PMD: 1013 cs_dsp_stop(&dsp->cs_dsp); 1014 break; 1015 default: 1016 break; 1017 } 1018 1019 return ret; 1020 } 1021 EXPORT_SYMBOL_GPL(wm_adsp_event); 1022 1023 int wm_adsp2_component_probe(struct wm_adsp *dsp, struct snd_soc_component *component) 1024 { 1025 char preload[32]; 1026 1027 snprintf(preload, ARRAY_SIZE(preload), "%s Preload", dsp->cs_dsp.name); 1028 snd_soc_component_disable_pin(component, preload); 1029 1030 cs_dsp_init_debugfs(&dsp->cs_dsp, component->debugfs_root); 1031 1032 dsp->component = component; 1033 1034 return 0; 1035 } 1036 EXPORT_SYMBOL_GPL(wm_adsp2_component_probe); 1037 1038 int wm_adsp2_component_remove(struct wm_adsp *dsp, struct snd_soc_component *component) 1039 { 1040 cs_dsp_cleanup_debugfs(&dsp->cs_dsp); 1041 1042 return 0; 1043 } 1044 EXPORT_SYMBOL_GPL(wm_adsp2_component_remove); 1045 1046 int wm_adsp2_init(struct wm_adsp *dsp) 1047 { 1048 int ret; 1049 1050 INIT_WORK(&dsp->boot_work, wm_adsp_boot_work); 1051 1052 dsp->sys_config_size = sizeof(struct wm_adsp_system_config_xm_hdr); 1053 dsp->cs_dsp.client_ops = &wm_adsp2_client_ops; 1054 1055 ret = cs_dsp_adsp2_init(&dsp->cs_dsp); 1056 if (ret) 1057 return ret; 1058 1059 return wm_adsp_common_init(dsp); 1060 } 1061 EXPORT_SYMBOL_GPL(wm_adsp2_init); 1062 1063 int wm_halo_init(struct wm_adsp *dsp) 1064 { 1065 int ret; 1066 1067 INIT_WORK(&dsp->boot_work, wm_adsp_boot_work); 1068 1069 dsp->sys_config_size = sizeof(struct wm_halo_system_config_xm_hdr); 1070 dsp->cs_dsp.client_ops = &wm_adsp2_client_ops; 1071 1072 ret = cs_dsp_halo_init(&dsp->cs_dsp); 1073 if (ret) 1074 return ret; 1075 1076 return wm_adsp_common_init(dsp); 1077 } 1078 EXPORT_SYMBOL_GPL(wm_halo_init); 1079 1080 void wm_adsp2_remove(struct wm_adsp *dsp) 1081 { 1082 cs_dsp_remove(&dsp->cs_dsp); 1083 } 1084 EXPORT_SYMBOL_GPL(wm_adsp2_remove); 1085 1086 static inline int wm_adsp_compr_attached(struct wm_adsp_compr *compr) 1087 { 1088 return compr->buf != NULL; 1089 } 1090 1091 static int wm_adsp_compr_attach(struct wm_adsp_compr *compr) 1092 { 1093 struct wm_adsp_compr_buf *buf = NULL, *tmp; 1094 1095 if (compr->dsp->fatal_error) 1096 return -EINVAL; 1097 1098 list_for_each_entry(tmp, &compr->dsp->buffer_list, list) { 1099 if (!tmp->name || !strcmp(compr->name, tmp->name)) { 1100 buf = tmp; 1101 break; 1102 } 1103 } 1104 1105 if (!buf) 1106 return -EINVAL; 1107 1108 compr->buf = buf; 1109 buf->compr = compr; 1110 1111 return 0; 1112 } 1113 1114 static void wm_adsp_compr_detach(struct wm_adsp_compr *compr) 1115 { 1116 if (!compr) 1117 return; 1118 1119 /* Wake the poll so it can see buffer is no longer attached */ 1120 if (compr->stream) 1121 snd_compr_fragment_elapsed(compr->stream); 1122 1123 if (wm_adsp_compr_attached(compr)) { 1124 compr->buf->compr = NULL; 1125 compr->buf = NULL; 1126 } 1127 } 1128 1129 int wm_adsp_compr_open(struct wm_adsp *dsp, struct snd_compr_stream *stream) 1130 { 1131 struct wm_adsp_compr *compr, *tmp; 1132 struct snd_soc_pcm_runtime *rtd = stream->private_data; 1133 int ret = 0; 1134 1135 mutex_lock(&dsp->cs_dsp.pwr_lock); 1136 1137 if (wm_adsp_fw[dsp->fw].num_caps == 0) { 1138 adsp_err(dsp, "%s: Firmware does not support compressed API\n", 1139 asoc_rtd_to_codec(rtd, 0)->name); 1140 ret = -ENXIO; 1141 goto out; 1142 } 1143 1144 if (wm_adsp_fw[dsp->fw].compr_direction != stream->direction) { 1145 adsp_err(dsp, "%s: Firmware does not support stream direction\n", 1146 asoc_rtd_to_codec(rtd, 0)->name); 1147 ret = -EINVAL; 1148 goto out; 1149 } 1150 1151 list_for_each_entry(tmp, &dsp->compr_list, list) { 1152 if (!strcmp(tmp->name, asoc_rtd_to_codec(rtd, 0)->name)) { 1153 adsp_err(dsp, "%s: Only a single stream supported per dai\n", 1154 asoc_rtd_to_codec(rtd, 0)->name); 1155 ret = -EBUSY; 1156 goto out; 1157 } 1158 } 1159 1160 compr = kzalloc(sizeof(*compr), GFP_KERNEL); 1161 if (!compr) { 1162 ret = -ENOMEM; 1163 goto out; 1164 } 1165 1166 compr->dsp = dsp; 1167 compr->stream = stream; 1168 compr->name = asoc_rtd_to_codec(rtd, 0)->name; 1169 1170 list_add_tail(&compr->list, &dsp->compr_list); 1171 1172 stream->runtime->private_data = compr; 1173 1174 out: 1175 mutex_unlock(&dsp->cs_dsp.pwr_lock); 1176 1177 return ret; 1178 } 1179 EXPORT_SYMBOL_GPL(wm_adsp_compr_open); 1180 1181 int wm_adsp_compr_free(struct snd_soc_component *component, 1182 struct snd_compr_stream *stream) 1183 { 1184 struct wm_adsp_compr *compr = stream->runtime->private_data; 1185 struct wm_adsp *dsp = compr->dsp; 1186 1187 mutex_lock(&dsp->cs_dsp.pwr_lock); 1188 1189 wm_adsp_compr_detach(compr); 1190 list_del(&compr->list); 1191 1192 kfree(compr->raw_buf); 1193 kfree(compr); 1194 1195 mutex_unlock(&dsp->cs_dsp.pwr_lock); 1196 1197 return 0; 1198 } 1199 EXPORT_SYMBOL_GPL(wm_adsp_compr_free); 1200 1201 static int wm_adsp_compr_check_params(struct snd_compr_stream *stream, 1202 struct snd_compr_params *params) 1203 { 1204 struct wm_adsp_compr *compr = stream->runtime->private_data; 1205 struct wm_adsp *dsp = compr->dsp; 1206 const struct wm_adsp_fw_caps *caps; 1207 const struct snd_codec_desc *desc; 1208 int i, j; 1209 1210 if (params->buffer.fragment_size < WM_ADSP_MIN_FRAGMENT_SIZE || 1211 params->buffer.fragment_size > WM_ADSP_MAX_FRAGMENT_SIZE || 1212 params->buffer.fragments < WM_ADSP_MIN_FRAGMENTS || 1213 params->buffer.fragments > WM_ADSP_MAX_FRAGMENTS || 1214 params->buffer.fragment_size % CS_DSP_DATA_WORD_SIZE) { 1215 compr_err(compr, "Invalid buffer fragsize=%d fragments=%d\n", 1216 params->buffer.fragment_size, 1217 params->buffer.fragments); 1218 1219 return -EINVAL; 1220 } 1221 1222 for (i = 0; i < wm_adsp_fw[dsp->fw].num_caps; i++) { 1223 caps = &wm_adsp_fw[dsp->fw].caps[i]; 1224 desc = &caps->desc; 1225 1226 if (caps->id != params->codec.id) 1227 continue; 1228 1229 if (stream->direction == SND_COMPRESS_PLAYBACK) { 1230 if (desc->max_ch < params->codec.ch_out) 1231 continue; 1232 } else { 1233 if (desc->max_ch < params->codec.ch_in) 1234 continue; 1235 } 1236 1237 if (!(desc->formats & (1 << params->codec.format))) 1238 continue; 1239 1240 for (j = 0; j < desc->num_sample_rates; ++j) 1241 if (desc->sample_rates[j] == params->codec.sample_rate) 1242 return 0; 1243 } 1244 1245 compr_err(compr, "Invalid params id=%u ch=%u,%u rate=%u fmt=%u\n", 1246 params->codec.id, params->codec.ch_in, params->codec.ch_out, 1247 params->codec.sample_rate, params->codec.format); 1248 return -EINVAL; 1249 } 1250 1251 static inline unsigned int wm_adsp_compr_frag_words(struct wm_adsp_compr *compr) 1252 { 1253 return compr->size.fragment_size / CS_DSP_DATA_WORD_SIZE; 1254 } 1255 1256 int wm_adsp_compr_set_params(struct snd_soc_component *component, 1257 struct snd_compr_stream *stream, 1258 struct snd_compr_params *params) 1259 { 1260 struct wm_adsp_compr *compr = stream->runtime->private_data; 1261 unsigned int size; 1262 int ret; 1263 1264 ret = wm_adsp_compr_check_params(stream, params); 1265 if (ret) 1266 return ret; 1267 1268 compr->size = params->buffer; 1269 1270 compr_dbg(compr, "fragment_size=%d fragments=%d\n", 1271 compr->size.fragment_size, compr->size.fragments); 1272 1273 size = wm_adsp_compr_frag_words(compr) * sizeof(*compr->raw_buf); 1274 compr->raw_buf = kmalloc(size, GFP_DMA | GFP_KERNEL); 1275 if (!compr->raw_buf) 1276 return -ENOMEM; 1277 1278 compr->sample_rate = params->codec.sample_rate; 1279 1280 return 0; 1281 } 1282 EXPORT_SYMBOL_GPL(wm_adsp_compr_set_params); 1283 1284 int wm_adsp_compr_get_caps(struct snd_soc_component *component, 1285 struct snd_compr_stream *stream, 1286 struct snd_compr_caps *caps) 1287 { 1288 struct wm_adsp_compr *compr = stream->runtime->private_data; 1289 int fw = compr->dsp->fw; 1290 int i; 1291 1292 if (wm_adsp_fw[fw].caps) { 1293 for (i = 0; i < wm_adsp_fw[fw].num_caps; i++) 1294 caps->codecs[i] = wm_adsp_fw[fw].caps[i].id; 1295 1296 caps->num_codecs = i; 1297 caps->direction = wm_adsp_fw[fw].compr_direction; 1298 1299 caps->min_fragment_size = WM_ADSP_MIN_FRAGMENT_SIZE; 1300 caps->max_fragment_size = WM_ADSP_MAX_FRAGMENT_SIZE; 1301 caps->min_fragments = WM_ADSP_MIN_FRAGMENTS; 1302 caps->max_fragments = WM_ADSP_MAX_FRAGMENTS; 1303 } 1304 1305 return 0; 1306 } 1307 EXPORT_SYMBOL_GPL(wm_adsp_compr_get_caps); 1308 1309 static inline int wm_adsp_buffer_read(struct wm_adsp_compr_buf *buf, 1310 unsigned int field_offset, u32 *data) 1311 { 1312 return cs_dsp_read_data_word(&buf->dsp->cs_dsp, buf->host_buf_mem_type, 1313 buf->host_buf_ptr + field_offset, data); 1314 } 1315 1316 static inline int wm_adsp_buffer_write(struct wm_adsp_compr_buf *buf, 1317 unsigned int field_offset, u32 data) 1318 { 1319 return cs_dsp_write_data_word(&buf->dsp->cs_dsp, buf->host_buf_mem_type, 1320 buf->host_buf_ptr + field_offset, 1321 data); 1322 } 1323 1324 static int wm_adsp_buffer_populate(struct wm_adsp_compr_buf *buf) 1325 { 1326 const struct wm_adsp_fw_caps *caps = wm_adsp_fw[buf->dsp->fw].caps; 1327 struct wm_adsp_buffer_region *region; 1328 u32 offset = 0; 1329 int i, ret; 1330 1331 buf->regions = kcalloc(caps->num_regions, sizeof(*buf->regions), 1332 GFP_KERNEL); 1333 if (!buf->regions) 1334 return -ENOMEM; 1335 1336 for (i = 0; i < caps->num_regions; ++i) { 1337 region = &buf->regions[i]; 1338 1339 region->offset = offset; 1340 region->mem_type = caps->region_defs[i].mem_type; 1341 1342 ret = wm_adsp_buffer_read(buf, caps->region_defs[i].base_offset, 1343 ®ion->base_addr); 1344 if (ret < 0) 1345 return ret; 1346 1347 ret = wm_adsp_buffer_read(buf, caps->region_defs[i].size_offset, 1348 &offset); 1349 if (ret < 0) 1350 return ret; 1351 1352 region->cumulative_size = offset; 1353 1354 compr_dbg(buf, 1355 "region=%d type=%d base=%08x off=%08x size=%08x\n", 1356 i, region->mem_type, region->base_addr, 1357 region->offset, region->cumulative_size); 1358 } 1359 1360 return 0; 1361 } 1362 1363 static void wm_adsp_buffer_clear(struct wm_adsp_compr_buf *buf) 1364 { 1365 buf->irq_count = 0xFFFFFFFF; 1366 buf->read_index = -1; 1367 buf->avail = 0; 1368 } 1369 1370 static struct wm_adsp_compr_buf *wm_adsp_buffer_alloc(struct wm_adsp *dsp) 1371 { 1372 struct wm_adsp_compr_buf *buf; 1373 1374 buf = kzalloc(sizeof(*buf), GFP_KERNEL); 1375 if (!buf) 1376 return NULL; 1377 1378 buf->dsp = dsp; 1379 1380 wm_adsp_buffer_clear(buf); 1381 1382 list_add_tail(&buf->list, &dsp->buffer_list); 1383 1384 return buf; 1385 } 1386 1387 static int wm_adsp_buffer_parse_legacy(struct wm_adsp *dsp) 1388 { 1389 struct cs_dsp_alg_region *alg_region; 1390 struct wm_adsp_compr_buf *buf; 1391 u32 xmalg, addr, magic; 1392 int i, ret; 1393 1394 alg_region = cs_dsp_find_alg_region(&dsp->cs_dsp, WMFW_ADSP2_XM, dsp->cs_dsp.fw_id); 1395 if (!alg_region) { 1396 adsp_err(dsp, "No algorithm region found\n"); 1397 return -EINVAL; 1398 } 1399 1400 buf = wm_adsp_buffer_alloc(dsp); 1401 if (!buf) 1402 return -ENOMEM; 1403 1404 xmalg = dsp->sys_config_size / sizeof(__be32); 1405 1406 addr = alg_region->base + xmalg + ALG_XM_FIELD(magic); 1407 ret = cs_dsp_read_data_word(&dsp->cs_dsp, WMFW_ADSP2_XM, addr, &magic); 1408 if (ret < 0) 1409 return ret; 1410 1411 if (magic != WM_ADSP_ALG_XM_STRUCT_MAGIC) 1412 return -ENODEV; 1413 1414 addr = alg_region->base + xmalg + ALG_XM_FIELD(host_buf_ptr); 1415 for (i = 0; i < 5; ++i) { 1416 ret = cs_dsp_read_data_word(&dsp->cs_dsp, WMFW_ADSP2_XM, addr, 1417 &buf->host_buf_ptr); 1418 if (ret < 0) 1419 return ret; 1420 1421 if (buf->host_buf_ptr) 1422 break; 1423 1424 usleep_range(1000, 2000); 1425 } 1426 1427 if (!buf->host_buf_ptr) 1428 return -EIO; 1429 1430 buf->host_buf_mem_type = WMFW_ADSP2_XM; 1431 1432 ret = wm_adsp_buffer_populate(buf); 1433 if (ret < 0) 1434 return ret; 1435 1436 compr_dbg(buf, "legacy host_buf_ptr=%x\n", buf->host_buf_ptr); 1437 1438 return 0; 1439 } 1440 1441 static int wm_adsp_buffer_parse_coeff(struct cs_dsp_coeff_ctl *cs_ctl) 1442 { 1443 struct wm_adsp_host_buf_coeff_v1 coeff_v1; 1444 struct wm_adsp_compr_buf *buf; 1445 struct wm_adsp *dsp = container_of(cs_ctl->dsp, struct wm_adsp, cs_dsp); 1446 unsigned int version; 1447 int ret, i; 1448 1449 for (i = 0; i < 5; ++i) { 1450 ret = cs_dsp_coeff_read_ctrl(cs_ctl, &coeff_v1, sizeof(coeff_v1)); 1451 if (ret < 0) 1452 return ret; 1453 1454 if (coeff_v1.host_buf_ptr) 1455 break; 1456 1457 usleep_range(1000, 2000); 1458 } 1459 1460 if (!coeff_v1.host_buf_ptr) { 1461 adsp_err(dsp, "Failed to acquire host buffer\n"); 1462 return -EIO; 1463 } 1464 1465 buf = wm_adsp_buffer_alloc(dsp); 1466 if (!buf) 1467 return -ENOMEM; 1468 1469 buf->host_buf_mem_type = cs_ctl->alg_region.type; 1470 buf->host_buf_ptr = be32_to_cpu(coeff_v1.host_buf_ptr); 1471 1472 ret = wm_adsp_buffer_populate(buf); 1473 if (ret < 0) 1474 return ret; 1475 1476 /* 1477 * v0 host_buffer coefficients didn't have versioning, so if the 1478 * control is one word, assume version 0. 1479 */ 1480 if (cs_ctl->len == 4) { 1481 compr_dbg(buf, "host_buf_ptr=%x\n", buf->host_buf_ptr); 1482 return 0; 1483 } 1484 1485 version = be32_to_cpu(coeff_v1.versions) & HOST_BUF_COEFF_COMPAT_VER_MASK; 1486 version >>= HOST_BUF_COEFF_COMPAT_VER_SHIFT; 1487 1488 if (version > HOST_BUF_COEFF_SUPPORTED_COMPAT_VER) { 1489 adsp_err(dsp, 1490 "Host buffer coeff ver %u > supported version %u\n", 1491 version, HOST_BUF_COEFF_SUPPORTED_COMPAT_VER); 1492 return -EINVAL; 1493 } 1494 1495 cs_dsp_remove_padding((u32 *)&coeff_v1.name, ARRAY_SIZE(coeff_v1.name)); 1496 1497 buf->name = kasprintf(GFP_KERNEL, "%s-dsp-%s", dsp->part, 1498 (char *)&coeff_v1.name); 1499 1500 compr_dbg(buf, "host_buf_ptr=%x coeff version %u\n", 1501 buf->host_buf_ptr, version); 1502 1503 return version; 1504 } 1505 1506 static int wm_adsp_buffer_init(struct wm_adsp *dsp) 1507 { 1508 struct cs_dsp_coeff_ctl *cs_ctl; 1509 int ret; 1510 1511 list_for_each_entry(cs_ctl, &dsp->cs_dsp.ctl_list, list) { 1512 if (cs_ctl->type != WMFW_CTL_TYPE_HOST_BUFFER) 1513 continue; 1514 1515 if (!cs_ctl->enabled) 1516 continue; 1517 1518 ret = wm_adsp_buffer_parse_coeff(cs_ctl); 1519 if (ret < 0) { 1520 adsp_err(dsp, "Failed to parse coeff: %d\n", ret); 1521 goto error; 1522 } else if (ret == 0) { 1523 /* Only one buffer supported for version 0 */ 1524 return 0; 1525 } 1526 } 1527 1528 if (list_empty(&dsp->buffer_list)) { 1529 /* Fall back to legacy support */ 1530 ret = wm_adsp_buffer_parse_legacy(dsp); 1531 if (ret) { 1532 adsp_err(dsp, "Failed to parse legacy: %d\n", ret); 1533 goto error; 1534 } 1535 } 1536 1537 return 0; 1538 1539 error: 1540 wm_adsp_buffer_free(dsp); 1541 return ret; 1542 } 1543 1544 static int wm_adsp_buffer_free(struct wm_adsp *dsp) 1545 { 1546 struct wm_adsp_compr_buf *buf, *tmp; 1547 1548 list_for_each_entry_safe(buf, tmp, &dsp->buffer_list, list) { 1549 wm_adsp_compr_detach(buf->compr); 1550 1551 kfree(buf->name); 1552 kfree(buf->regions); 1553 list_del(&buf->list); 1554 kfree(buf); 1555 } 1556 1557 return 0; 1558 } 1559 1560 static int wm_adsp_buffer_get_error(struct wm_adsp_compr_buf *buf) 1561 { 1562 int ret; 1563 1564 ret = wm_adsp_buffer_read(buf, HOST_BUFFER_FIELD(error), &buf->error); 1565 if (ret < 0) { 1566 compr_err(buf, "Failed to check buffer error: %d\n", ret); 1567 return ret; 1568 } 1569 if (buf->error != 0) { 1570 compr_err(buf, "Buffer error occurred: %d\n", buf->error); 1571 return -EIO; 1572 } 1573 1574 return 0; 1575 } 1576 1577 int wm_adsp_compr_trigger(struct snd_soc_component *component, 1578 struct snd_compr_stream *stream, int cmd) 1579 { 1580 struct wm_adsp_compr *compr = stream->runtime->private_data; 1581 struct wm_adsp *dsp = compr->dsp; 1582 int ret = 0; 1583 1584 compr_dbg(compr, "Trigger: %d\n", cmd); 1585 1586 mutex_lock(&dsp->cs_dsp.pwr_lock); 1587 1588 switch (cmd) { 1589 case SNDRV_PCM_TRIGGER_START: 1590 if (!wm_adsp_compr_attached(compr)) { 1591 ret = wm_adsp_compr_attach(compr); 1592 if (ret < 0) { 1593 compr_err(compr, "Failed to link buffer and stream: %d\n", 1594 ret); 1595 break; 1596 } 1597 } 1598 1599 ret = wm_adsp_buffer_get_error(compr->buf); 1600 if (ret < 0) 1601 break; 1602 1603 /* Trigger the IRQ at one fragment of data */ 1604 ret = wm_adsp_buffer_write(compr->buf, 1605 HOST_BUFFER_FIELD(high_water_mark), 1606 wm_adsp_compr_frag_words(compr)); 1607 if (ret < 0) { 1608 compr_err(compr, "Failed to set high water mark: %d\n", 1609 ret); 1610 break; 1611 } 1612 break; 1613 case SNDRV_PCM_TRIGGER_STOP: 1614 if (wm_adsp_compr_attached(compr)) 1615 wm_adsp_buffer_clear(compr->buf); 1616 break; 1617 default: 1618 ret = -EINVAL; 1619 break; 1620 } 1621 1622 mutex_unlock(&dsp->cs_dsp.pwr_lock); 1623 1624 return ret; 1625 } 1626 EXPORT_SYMBOL_GPL(wm_adsp_compr_trigger); 1627 1628 static inline int wm_adsp_buffer_size(struct wm_adsp_compr_buf *buf) 1629 { 1630 int last_region = wm_adsp_fw[buf->dsp->fw].caps->num_regions - 1; 1631 1632 return buf->regions[last_region].cumulative_size; 1633 } 1634 1635 static int wm_adsp_buffer_update_avail(struct wm_adsp_compr_buf *buf) 1636 { 1637 u32 next_read_index, next_write_index; 1638 int write_index, read_index, avail; 1639 int ret; 1640 1641 /* Only sync read index if we haven't already read a valid index */ 1642 if (buf->read_index < 0) { 1643 ret = wm_adsp_buffer_read(buf, 1644 HOST_BUFFER_FIELD(next_read_index), 1645 &next_read_index); 1646 if (ret < 0) 1647 return ret; 1648 1649 read_index = sign_extend32(next_read_index, 23); 1650 1651 if (read_index < 0) { 1652 compr_dbg(buf, "Avail check on unstarted stream\n"); 1653 return 0; 1654 } 1655 1656 buf->read_index = read_index; 1657 } 1658 1659 ret = wm_adsp_buffer_read(buf, HOST_BUFFER_FIELD(next_write_index), 1660 &next_write_index); 1661 if (ret < 0) 1662 return ret; 1663 1664 write_index = sign_extend32(next_write_index, 23); 1665 1666 avail = write_index - buf->read_index; 1667 if (avail < 0) 1668 avail += wm_adsp_buffer_size(buf); 1669 1670 compr_dbg(buf, "readindex=0x%x, writeindex=0x%x, avail=%d\n", 1671 buf->read_index, write_index, avail * CS_DSP_DATA_WORD_SIZE); 1672 1673 buf->avail = avail; 1674 1675 return 0; 1676 } 1677 1678 int wm_adsp_compr_handle_irq(struct wm_adsp *dsp) 1679 { 1680 struct wm_adsp_compr_buf *buf; 1681 struct wm_adsp_compr *compr; 1682 int ret = 0; 1683 1684 mutex_lock(&dsp->cs_dsp.pwr_lock); 1685 1686 if (list_empty(&dsp->buffer_list)) { 1687 ret = -ENODEV; 1688 goto out; 1689 } 1690 1691 adsp_dbg(dsp, "Handling buffer IRQ\n"); 1692 1693 list_for_each_entry(buf, &dsp->buffer_list, list) { 1694 compr = buf->compr; 1695 1696 ret = wm_adsp_buffer_get_error(buf); 1697 if (ret < 0) 1698 goto out_notify; /* Wake poll to report error */ 1699 1700 ret = wm_adsp_buffer_read(buf, HOST_BUFFER_FIELD(irq_count), 1701 &buf->irq_count); 1702 if (ret < 0) { 1703 compr_err(buf, "Failed to get irq_count: %d\n", ret); 1704 goto out; 1705 } 1706 1707 ret = wm_adsp_buffer_update_avail(buf); 1708 if (ret < 0) { 1709 compr_err(buf, "Error reading avail: %d\n", ret); 1710 goto out; 1711 } 1712 1713 if (wm_adsp_fw[dsp->fw].voice_trigger && buf->irq_count == 2) 1714 ret = WM_ADSP_COMPR_VOICE_TRIGGER; 1715 1716 out_notify: 1717 if (compr && compr->stream) 1718 snd_compr_fragment_elapsed(compr->stream); 1719 } 1720 1721 out: 1722 mutex_unlock(&dsp->cs_dsp.pwr_lock); 1723 1724 return ret; 1725 } 1726 EXPORT_SYMBOL_GPL(wm_adsp_compr_handle_irq); 1727 1728 static int wm_adsp_buffer_reenable_irq(struct wm_adsp_compr_buf *buf) 1729 { 1730 if (buf->irq_count & 0x01) 1731 return 0; 1732 1733 compr_dbg(buf, "Enable IRQ(0x%x) for next fragment\n", buf->irq_count); 1734 1735 buf->irq_count |= 0x01; 1736 1737 return wm_adsp_buffer_write(buf, HOST_BUFFER_FIELD(irq_ack), 1738 buf->irq_count); 1739 } 1740 1741 int wm_adsp_compr_pointer(struct snd_soc_component *component, 1742 struct snd_compr_stream *stream, 1743 struct snd_compr_tstamp *tstamp) 1744 { 1745 struct wm_adsp_compr *compr = stream->runtime->private_data; 1746 struct wm_adsp *dsp = compr->dsp; 1747 struct wm_adsp_compr_buf *buf; 1748 int ret = 0; 1749 1750 compr_dbg(compr, "Pointer request\n"); 1751 1752 mutex_lock(&dsp->cs_dsp.pwr_lock); 1753 1754 buf = compr->buf; 1755 1756 if (dsp->fatal_error || !buf || buf->error) { 1757 snd_compr_stop_error(stream, SNDRV_PCM_STATE_XRUN); 1758 ret = -EIO; 1759 goto out; 1760 } 1761 1762 if (buf->avail < wm_adsp_compr_frag_words(compr)) { 1763 ret = wm_adsp_buffer_update_avail(buf); 1764 if (ret < 0) { 1765 compr_err(compr, "Error reading avail: %d\n", ret); 1766 goto out; 1767 } 1768 1769 /* 1770 * If we really have less than 1 fragment available tell the 1771 * DSP to inform us once a whole fragment is available. 1772 */ 1773 if (buf->avail < wm_adsp_compr_frag_words(compr)) { 1774 ret = wm_adsp_buffer_get_error(buf); 1775 if (ret < 0) { 1776 if (buf->error) 1777 snd_compr_stop_error(stream, 1778 SNDRV_PCM_STATE_XRUN); 1779 goto out; 1780 } 1781 1782 ret = wm_adsp_buffer_reenable_irq(buf); 1783 if (ret < 0) { 1784 compr_err(compr, "Failed to re-enable buffer IRQ: %d\n", 1785 ret); 1786 goto out; 1787 } 1788 } 1789 } 1790 1791 tstamp->copied_total = compr->copied_total; 1792 tstamp->copied_total += buf->avail * CS_DSP_DATA_WORD_SIZE; 1793 tstamp->sampling_rate = compr->sample_rate; 1794 1795 out: 1796 mutex_unlock(&dsp->cs_dsp.pwr_lock); 1797 1798 return ret; 1799 } 1800 EXPORT_SYMBOL_GPL(wm_adsp_compr_pointer); 1801 1802 static int wm_adsp_buffer_capture_block(struct wm_adsp_compr *compr, int target) 1803 { 1804 struct wm_adsp_compr_buf *buf = compr->buf; 1805 unsigned int adsp_addr; 1806 int mem_type, nwords, max_read; 1807 int i, ret; 1808 1809 /* Calculate read parameters */ 1810 for (i = 0; i < wm_adsp_fw[buf->dsp->fw].caps->num_regions; ++i) 1811 if (buf->read_index < buf->regions[i].cumulative_size) 1812 break; 1813 1814 if (i == wm_adsp_fw[buf->dsp->fw].caps->num_regions) 1815 return -EINVAL; 1816 1817 mem_type = buf->regions[i].mem_type; 1818 adsp_addr = buf->regions[i].base_addr + 1819 (buf->read_index - buf->regions[i].offset); 1820 1821 max_read = wm_adsp_compr_frag_words(compr); 1822 nwords = buf->regions[i].cumulative_size - buf->read_index; 1823 1824 if (nwords > target) 1825 nwords = target; 1826 if (nwords > buf->avail) 1827 nwords = buf->avail; 1828 if (nwords > max_read) 1829 nwords = max_read; 1830 if (!nwords) 1831 return 0; 1832 1833 /* Read data from DSP */ 1834 ret = cs_dsp_read_raw_data_block(&buf->dsp->cs_dsp, mem_type, adsp_addr, 1835 nwords, (__be32 *)compr->raw_buf); 1836 if (ret < 0) 1837 return ret; 1838 1839 cs_dsp_remove_padding(compr->raw_buf, nwords); 1840 1841 /* update read index to account for words read */ 1842 buf->read_index += nwords; 1843 if (buf->read_index == wm_adsp_buffer_size(buf)) 1844 buf->read_index = 0; 1845 1846 ret = wm_adsp_buffer_write(buf, HOST_BUFFER_FIELD(next_read_index), 1847 buf->read_index); 1848 if (ret < 0) 1849 return ret; 1850 1851 /* update avail to account for words read */ 1852 buf->avail -= nwords; 1853 1854 return nwords; 1855 } 1856 1857 static int wm_adsp_compr_read(struct wm_adsp_compr *compr, 1858 char __user *buf, size_t count) 1859 { 1860 struct wm_adsp *dsp = compr->dsp; 1861 int ntotal = 0; 1862 int nwords, nbytes; 1863 1864 compr_dbg(compr, "Requested read of %zu bytes\n", count); 1865 1866 if (dsp->fatal_error || !compr->buf || compr->buf->error) { 1867 snd_compr_stop_error(compr->stream, SNDRV_PCM_STATE_XRUN); 1868 return -EIO; 1869 } 1870 1871 count /= CS_DSP_DATA_WORD_SIZE; 1872 1873 do { 1874 nwords = wm_adsp_buffer_capture_block(compr, count); 1875 if (nwords < 0) { 1876 compr_err(compr, "Failed to capture block: %d\n", 1877 nwords); 1878 return nwords; 1879 } 1880 1881 nbytes = nwords * CS_DSP_DATA_WORD_SIZE; 1882 1883 compr_dbg(compr, "Read %d bytes\n", nbytes); 1884 1885 if (copy_to_user(buf + ntotal, compr->raw_buf, nbytes)) { 1886 compr_err(compr, "Failed to copy data to user: %d, %d\n", 1887 ntotal, nbytes); 1888 return -EFAULT; 1889 } 1890 1891 count -= nwords; 1892 ntotal += nbytes; 1893 } while (nwords > 0 && count > 0); 1894 1895 compr->copied_total += ntotal; 1896 1897 return ntotal; 1898 } 1899 1900 int wm_adsp_compr_copy(struct snd_soc_component *component, 1901 struct snd_compr_stream *stream, char __user *buf, 1902 size_t count) 1903 { 1904 struct wm_adsp_compr *compr = stream->runtime->private_data; 1905 struct wm_adsp *dsp = compr->dsp; 1906 int ret; 1907 1908 mutex_lock(&dsp->cs_dsp.pwr_lock); 1909 1910 if (stream->direction == SND_COMPRESS_CAPTURE) 1911 ret = wm_adsp_compr_read(compr, buf, count); 1912 else 1913 ret = -ENOTSUPP; 1914 1915 mutex_unlock(&dsp->cs_dsp.pwr_lock); 1916 1917 return ret; 1918 } 1919 EXPORT_SYMBOL_GPL(wm_adsp_compr_copy); 1920 1921 static void wm_adsp_fatal_error(struct cs_dsp *cs_dsp) 1922 { 1923 struct wm_adsp *dsp = container_of(cs_dsp, struct wm_adsp, cs_dsp); 1924 struct wm_adsp_compr *compr; 1925 1926 dsp->fatal_error = true; 1927 1928 list_for_each_entry(compr, &dsp->compr_list, list) { 1929 if (compr->stream) 1930 snd_compr_fragment_elapsed(compr->stream); 1931 } 1932 } 1933 1934 irqreturn_t wm_adsp2_bus_error(int irq, void *data) 1935 { 1936 struct wm_adsp *dsp = (struct wm_adsp *)data; 1937 1938 cs_dsp_adsp2_bus_error(&dsp->cs_dsp); 1939 1940 return IRQ_HANDLED; 1941 } 1942 EXPORT_SYMBOL_GPL(wm_adsp2_bus_error); 1943 1944 irqreturn_t wm_halo_bus_error(int irq, void *data) 1945 { 1946 struct wm_adsp *dsp = (struct wm_adsp *)data; 1947 1948 cs_dsp_halo_bus_error(&dsp->cs_dsp); 1949 1950 return IRQ_HANDLED; 1951 } 1952 EXPORT_SYMBOL_GPL(wm_halo_bus_error); 1953 1954 irqreturn_t wm_halo_wdt_expire(int irq, void *data) 1955 { 1956 struct wm_adsp *dsp = data; 1957 1958 cs_dsp_halo_wdt_expire(&dsp->cs_dsp); 1959 1960 return IRQ_HANDLED; 1961 } 1962 EXPORT_SYMBOL_GPL(wm_halo_wdt_expire); 1963 1964 static const struct cs_dsp_client_ops wm_adsp1_client_ops = { 1965 .control_add = wm_adsp_control_add, 1966 .control_remove = wm_adsp_control_remove, 1967 }; 1968 1969 static const struct cs_dsp_client_ops wm_adsp2_client_ops = { 1970 .control_add = wm_adsp_control_add, 1971 .control_remove = wm_adsp_control_remove, 1972 .post_run = wm_adsp_event_post_run, 1973 .post_stop = wm_adsp_event_post_stop, 1974 .watchdog_expired = wm_adsp_fatal_error, 1975 }; 1976 1977 MODULE_LICENSE("GPL v2"); 1978