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 ret = scnprintf(name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN, 621 "%s %s %x", cs_dsp->name, region_name, 622 cs_ctl->alg_region.alg); 623 break; 624 case 2: 625 ret = scnprintf(name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN, 626 "%s%c %.12s %x", cs_dsp->name, *region_name, 627 wm_adsp_fw_text[dsp->fw], cs_ctl->alg_region.alg); 628 break; 629 default: 630 ret = scnprintf(name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN, 631 "%s %.12s %x", cs_dsp->name, 632 wm_adsp_fw_text[dsp->fw], cs_ctl->alg_region.alg); 633 break; 634 } 635 636 if (cs_ctl->subname) { 637 int avail = SNDRV_CTL_ELEM_ID_NAME_MAXLEN - ret - 2; 638 int skip = 0; 639 640 if (dsp->component->name_prefix) 641 avail -= strlen(dsp->component->name_prefix) + 1; 642 643 /* Truncate the subname from the start if it is too long */ 644 if (cs_ctl->subname_len > avail) 645 skip = cs_ctl->subname_len - avail; 646 647 snprintf(name + ret, SNDRV_CTL_ELEM_ID_NAME_MAXLEN - ret, 648 " %.*s", cs_ctl->subname_len - skip, cs_ctl->subname + skip); 649 } 650 651 ctl = kzalloc(sizeof(*ctl), GFP_KERNEL); 652 if (!ctl) 653 return -ENOMEM; 654 ctl->cs_ctl = cs_ctl; 655 656 ctl->name = kmemdup(name, strlen(name) + 1, GFP_KERNEL); 657 if (!ctl->name) { 658 ret = -ENOMEM; 659 goto err_ctl; 660 } 661 662 cs_ctl->priv = ctl; 663 664 INIT_WORK(&ctl->work, wm_adsp_ctl_work); 665 schedule_work(&ctl->work); 666 667 return 0; 668 669 err_ctl: 670 kfree(ctl); 671 672 return ret; 673 } 674 675 static void wm_adsp_control_remove(struct cs_dsp_coeff_ctl *cs_ctl) 676 { 677 struct wm_coeff_ctl *ctl = cs_ctl->priv; 678 679 cancel_work_sync(&ctl->work); 680 681 kfree(ctl->name); 682 kfree(ctl); 683 } 684 685 int wm_adsp_write_ctl(struct wm_adsp *dsp, const char *name, int type, 686 unsigned int alg, void *buf, size_t len) 687 { 688 struct cs_dsp_coeff_ctl *cs_ctl; 689 struct wm_coeff_ctl *ctl; 690 struct snd_kcontrol *kcontrol; 691 char ctl_name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; 692 int ret; 693 694 cs_ctl = cs_dsp_get_ctl(&dsp->cs_dsp, name, type, alg); 695 if (!cs_ctl) 696 return -EINVAL; 697 698 ctl = cs_ctl->priv; 699 700 if (len > cs_ctl->len) 701 return -EINVAL; 702 703 ret = cs_dsp_coeff_write_ctrl(cs_ctl, buf, len); 704 if (ret) 705 return ret; 706 707 if (cs_ctl->flags & WMFW_CTL_FLAG_SYS) 708 return 0; 709 710 if (dsp->component->name_prefix) 711 snprintf(ctl_name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN, "%s %s", 712 dsp->component->name_prefix, ctl->name); 713 else 714 snprintf(ctl_name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN, "%s", 715 ctl->name); 716 717 kcontrol = snd_soc_card_get_kcontrol(dsp->component->card, ctl_name); 718 if (!kcontrol) { 719 adsp_err(dsp, "Can't find kcontrol %s\n", ctl_name); 720 return -EINVAL; 721 } 722 723 snd_ctl_notify(dsp->component->card->snd_card, 724 SNDRV_CTL_EVENT_MASK_VALUE, &kcontrol->id); 725 726 return 0; 727 } 728 EXPORT_SYMBOL_GPL(wm_adsp_write_ctl); 729 730 int wm_adsp_read_ctl(struct wm_adsp *dsp, const char *name, int type, 731 unsigned int alg, void *buf, size_t len) 732 { 733 struct cs_dsp_coeff_ctl *cs_ctl; 734 735 cs_ctl = cs_dsp_get_ctl(&dsp->cs_dsp, name, type, alg); 736 if (!cs_ctl) 737 return -EINVAL; 738 739 if (len > cs_ctl->len) 740 return -EINVAL; 741 742 return cs_dsp_coeff_read_ctrl(cs_ctl, buf, len); 743 } 744 EXPORT_SYMBOL_GPL(wm_adsp_read_ctl); 745 746 static void wm_adsp_release_firmware_files(struct wm_adsp *dsp, 747 const struct firmware *wmfw_firmware, 748 char *wmfw_filename, 749 const struct firmware *coeff_firmware, 750 char *coeff_filename) 751 { 752 if (wmfw_firmware) 753 release_firmware(wmfw_firmware); 754 kfree(wmfw_filename); 755 756 if (coeff_firmware) 757 release_firmware(coeff_firmware); 758 kfree(coeff_filename); 759 } 760 761 static int wm_adsp_request_firmware_file(struct wm_adsp *dsp, 762 const struct firmware **firmware, 763 char **filename, 764 char *suffix) 765 { 766 struct cs_dsp *cs_dsp = &dsp->cs_dsp; 767 int ret = 0; 768 769 *filename = kasprintf(GFP_KERNEL, "%s-%s-%s.%s", dsp->part, dsp->fwf_name, 770 wm_adsp_fw[dsp->fw].file, suffix); 771 if (*filename == NULL) 772 return -ENOMEM; 773 774 ret = request_firmware(firmware, *filename, cs_dsp->dev); 775 if (ret != 0) { 776 adsp_err(dsp, "Failed to request '%s'\n", *filename); 777 kfree(*filename); 778 *filename = NULL; 779 } 780 781 return ret; 782 } 783 784 static int wm_adsp_request_firmware_files(struct wm_adsp *dsp, 785 const struct firmware **wmfw_firmware, 786 char **wmfw_filename, 787 const struct firmware **coeff_firmware, 788 char **coeff_filename) 789 { 790 int ret = 0; 791 792 ret = wm_adsp_request_firmware_file(dsp, wmfw_firmware, wmfw_filename, "wmfw"); 793 if (ret != 0) 794 return ret; 795 796 wm_adsp_request_firmware_file(dsp, coeff_firmware, coeff_filename, "bin"); 797 798 return 0; 799 } 800 801 static int wm_adsp_common_init(struct wm_adsp *dsp) 802 { 803 char *p; 804 805 INIT_LIST_HEAD(&dsp->compr_list); 806 INIT_LIST_HEAD(&dsp->buffer_list); 807 808 if (!dsp->fwf_name) { 809 p = devm_kstrdup(dsp->cs_dsp.dev, dsp->cs_dsp.name, GFP_KERNEL); 810 if (!p) 811 return -ENOMEM; 812 813 dsp->fwf_name = p; 814 for (; *p != 0; ++p) 815 *p = tolower(*p); 816 } 817 818 return 0; 819 } 820 821 int wm_adsp1_init(struct wm_adsp *dsp) 822 { 823 int ret; 824 825 dsp->cs_dsp.client_ops = &wm_adsp1_client_ops; 826 827 ret = cs_dsp_adsp1_init(&dsp->cs_dsp); 828 if (ret) 829 return ret; 830 831 return wm_adsp_common_init(dsp); 832 } 833 EXPORT_SYMBOL_GPL(wm_adsp1_init); 834 835 int wm_adsp1_event(struct snd_soc_dapm_widget *w, 836 struct snd_kcontrol *kcontrol, 837 int event) 838 { 839 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); 840 struct wm_adsp *dsps = snd_soc_component_get_drvdata(component); 841 struct wm_adsp *dsp = &dsps[w->shift]; 842 int ret = 0; 843 char *wmfw_filename = NULL; 844 const struct firmware *wmfw_firmware = NULL; 845 char *coeff_filename = NULL; 846 const struct firmware *coeff_firmware = NULL; 847 848 dsp->component = component; 849 850 switch (event) { 851 case SND_SOC_DAPM_POST_PMU: 852 ret = wm_adsp_request_firmware_files(dsp, 853 &wmfw_firmware, &wmfw_filename, 854 &coeff_firmware, &coeff_filename); 855 if (ret) 856 break; 857 858 ret = cs_dsp_adsp1_power_up(&dsp->cs_dsp, 859 wmfw_firmware, wmfw_filename, 860 coeff_firmware, coeff_filename, 861 wm_adsp_fw_text[dsp->fw]); 862 863 wm_adsp_release_firmware_files(dsp, 864 wmfw_firmware, wmfw_filename, 865 coeff_firmware, coeff_filename); 866 break; 867 case SND_SOC_DAPM_PRE_PMD: 868 cs_dsp_adsp1_power_down(&dsp->cs_dsp); 869 break; 870 default: 871 break; 872 } 873 874 return ret; 875 } 876 EXPORT_SYMBOL_GPL(wm_adsp1_event); 877 878 int wm_adsp2_set_dspclk(struct snd_soc_dapm_widget *w, unsigned int freq) 879 { 880 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); 881 struct wm_adsp *dsps = snd_soc_component_get_drvdata(component); 882 struct wm_adsp *dsp = &dsps[w->shift]; 883 884 return cs_dsp_set_dspclk(&dsp->cs_dsp, freq); 885 } 886 EXPORT_SYMBOL_GPL(wm_adsp2_set_dspclk); 887 888 int wm_adsp2_preloader_get(struct snd_kcontrol *kcontrol, 889 struct snd_ctl_elem_value *ucontrol) 890 { 891 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); 892 struct wm_adsp *dsps = snd_soc_component_get_drvdata(component); 893 struct soc_mixer_control *mc = 894 (struct soc_mixer_control *)kcontrol->private_value; 895 struct wm_adsp *dsp = &dsps[mc->shift - 1]; 896 897 ucontrol->value.integer.value[0] = dsp->preloaded; 898 899 return 0; 900 } 901 EXPORT_SYMBOL_GPL(wm_adsp2_preloader_get); 902 903 int wm_adsp2_preloader_put(struct snd_kcontrol *kcontrol, 904 struct snd_ctl_elem_value *ucontrol) 905 { 906 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); 907 struct wm_adsp *dsps = snd_soc_component_get_drvdata(component); 908 struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component); 909 struct soc_mixer_control *mc = 910 (struct soc_mixer_control *)kcontrol->private_value; 911 struct wm_adsp *dsp = &dsps[mc->shift - 1]; 912 char preload[32]; 913 914 snprintf(preload, ARRAY_SIZE(preload), "%s Preload", dsp->cs_dsp.name); 915 916 dsp->preloaded = ucontrol->value.integer.value[0]; 917 918 if (ucontrol->value.integer.value[0]) 919 snd_soc_component_force_enable_pin(component, preload); 920 else 921 snd_soc_component_disable_pin(component, preload); 922 923 snd_soc_dapm_sync(dapm); 924 925 flush_work(&dsp->boot_work); 926 927 return 0; 928 } 929 EXPORT_SYMBOL_GPL(wm_adsp2_preloader_put); 930 931 static void wm_adsp_boot_work(struct work_struct *work) 932 { 933 struct wm_adsp *dsp = container_of(work, 934 struct wm_adsp, 935 boot_work); 936 int ret = 0; 937 char *wmfw_filename = NULL; 938 const struct firmware *wmfw_firmware = NULL; 939 char *coeff_filename = NULL; 940 const struct firmware *coeff_firmware = NULL; 941 942 ret = wm_adsp_request_firmware_files(dsp, 943 &wmfw_firmware, &wmfw_filename, 944 &coeff_firmware, &coeff_filename); 945 if (ret) 946 return; 947 948 cs_dsp_power_up(&dsp->cs_dsp, 949 wmfw_firmware, wmfw_filename, 950 coeff_firmware, coeff_filename, 951 wm_adsp_fw_text[dsp->fw]); 952 953 wm_adsp_release_firmware_files(dsp, 954 wmfw_firmware, wmfw_filename, 955 coeff_firmware, coeff_filename); 956 } 957 958 int wm_adsp_early_event(struct snd_soc_dapm_widget *w, 959 struct snd_kcontrol *kcontrol, int event) 960 { 961 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); 962 struct wm_adsp *dsps = snd_soc_component_get_drvdata(component); 963 struct wm_adsp *dsp = &dsps[w->shift]; 964 965 switch (event) { 966 case SND_SOC_DAPM_PRE_PMU: 967 queue_work(system_unbound_wq, &dsp->boot_work); 968 break; 969 case SND_SOC_DAPM_PRE_PMD: 970 cs_dsp_power_down(&dsp->cs_dsp); 971 break; 972 default: 973 break; 974 } 975 976 return 0; 977 } 978 EXPORT_SYMBOL_GPL(wm_adsp_early_event); 979 980 static int wm_adsp_event_post_run(struct cs_dsp *cs_dsp) 981 { 982 struct wm_adsp *dsp = container_of(cs_dsp, struct wm_adsp, cs_dsp); 983 984 if (wm_adsp_fw[dsp->fw].num_caps != 0) 985 return wm_adsp_buffer_init(dsp); 986 987 return 0; 988 } 989 990 static void wm_adsp_event_post_stop(struct cs_dsp *cs_dsp) 991 { 992 struct wm_adsp *dsp = container_of(cs_dsp, struct wm_adsp, cs_dsp); 993 994 if (wm_adsp_fw[dsp->fw].num_caps != 0) 995 wm_adsp_buffer_free(dsp); 996 997 dsp->fatal_error = false; 998 } 999 1000 int wm_adsp_event(struct snd_soc_dapm_widget *w, 1001 struct snd_kcontrol *kcontrol, int event) 1002 { 1003 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); 1004 struct wm_adsp *dsps = snd_soc_component_get_drvdata(component); 1005 struct wm_adsp *dsp = &dsps[w->shift]; 1006 int ret = 0; 1007 1008 switch (event) { 1009 case SND_SOC_DAPM_POST_PMU: 1010 flush_work(&dsp->boot_work); 1011 ret = cs_dsp_run(&dsp->cs_dsp); 1012 break; 1013 case SND_SOC_DAPM_PRE_PMD: 1014 cs_dsp_stop(&dsp->cs_dsp); 1015 break; 1016 default: 1017 break; 1018 } 1019 1020 return ret; 1021 } 1022 EXPORT_SYMBOL_GPL(wm_adsp_event); 1023 1024 int wm_adsp2_component_probe(struct wm_adsp *dsp, struct snd_soc_component *component) 1025 { 1026 char preload[32]; 1027 1028 snprintf(preload, ARRAY_SIZE(preload), "%s Preload", dsp->cs_dsp.name); 1029 snd_soc_component_disable_pin(component, preload); 1030 1031 cs_dsp_init_debugfs(&dsp->cs_dsp, component->debugfs_root); 1032 1033 dsp->component = component; 1034 1035 return 0; 1036 } 1037 EXPORT_SYMBOL_GPL(wm_adsp2_component_probe); 1038 1039 int wm_adsp2_component_remove(struct wm_adsp *dsp, struct snd_soc_component *component) 1040 { 1041 cs_dsp_cleanup_debugfs(&dsp->cs_dsp); 1042 1043 return 0; 1044 } 1045 EXPORT_SYMBOL_GPL(wm_adsp2_component_remove); 1046 1047 int wm_adsp2_init(struct wm_adsp *dsp) 1048 { 1049 int ret; 1050 1051 INIT_WORK(&dsp->boot_work, wm_adsp_boot_work); 1052 1053 dsp->sys_config_size = sizeof(struct wm_adsp_system_config_xm_hdr); 1054 dsp->cs_dsp.client_ops = &wm_adsp2_client_ops; 1055 1056 ret = cs_dsp_adsp2_init(&dsp->cs_dsp); 1057 if (ret) 1058 return ret; 1059 1060 return wm_adsp_common_init(dsp); 1061 } 1062 EXPORT_SYMBOL_GPL(wm_adsp2_init); 1063 1064 int wm_halo_init(struct wm_adsp *dsp) 1065 { 1066 int ret; 1067 1068 INIT_WORK(&dsp->boot_work, wm_adsp_boot_work); 1069 1070 dsp->sys_config_size = sizeof(struct wm_halo_system_config_xm_hdr); 1071 dsp->cs_dsp.client_ops = &wm_adsp2_client_ops; 1072 1073 ret = cs_dsp_halo_init(&dsp->cs_dsp); 1074 if (ret) 1075 return ret; 1076 1077 return wm_adsp_common_init(dsp); 1078 } 1079 EXPORT_SYMBOL_GPL(wm_halo_init); 1080 1081 void wm_adsp2_remove(struct wm_adsp *dsp) 1082 { 1083 cs_dsp_remove(&dsp->cs_dsp); 1084 } 1085 EXPORT_SYMBOL_GPL(wm_adsp2_remove); 1086 1087 static inline int wm_adsp_compr_attached(struct wm_adsp_compr *compr) 1088 { 1089 return compr->buf != NULL; 1090 } 1091 1092 static int wm_adsp_compr_attach(struct wm_adsp_compr *compr) 1093 { 1094 struct wm_adsp_compr_buf *buf = NULL, *tmp; 1095 1096 if (compr->dsp->fatal_error) 1097 return -EINVAL; 1098 1099 list_for_each_entry(tmp, &compr->dsp->buffer_list, list) { 1100 if (!tmp->name || !strcmp(compr->name, tmp->name)) { 1101 buf = tmp; 1102 break; 1103 } 1104 } 1105 1106 if (!buf) 1107 return -EINVAL; 1108 1109 compr->buf = buf; 1110 buf->compr = compr; 1111 1112 return 0; 1113 } 1114 1115 static void wm_adsp_compr_detach(struct wm_adsp_compr *compr) 1116 { 1117 if (!compr) 1118 return; 1119 1120 /* Wake the poll so it can see buffer is no longer attached */ 1121 if (compr->stream) 1122 snd_compr_fragment_elapsed(compr->stream); 1123 1124 if (wm_adsp_compr_attached(compr)) { 1125 compr->buf->compr = NULL; 1126 compr->buf = NULL; 1127 } 1128 } 1129 1130 int wm_adsp_compr_open(struct wm_adsp *dsp, struct snd_compr_stream *stream) 1131 { 1132 struct wm_adsp_compr *compr, *tmp; 1133 struct snd_soc_pcm_runtime *rtd = stream->private_data; 1134 int ret = 0; 1135 1136 mutex_lock(&dsp->cs_dsp.pwr_lock); 1137 1138 if (wm_adsp_fw[dsp->fw].num_caps == 0) { 1139 adsp_err(dsp, "%s: Firmware does not support compressed API\n", 1140 asoc_rtd_to_codec(rtd, 0)->name); 1141 ret = -ENXIO; 1142 goto out; 1143 } 1144 1145 if (wm_adsp_fw[dsp->fw].compr_direction != stream->direction) { 1146 adsp_err(dsp, "%s: Firmware does not support stream direction\n", 1147 asoc_rtd_to_codec(rtd, 0)->name); 1148 ret = -EINVAL; 1149 goto out; 1150 } 1151 1152 list_for_each_entry(tmp, &dsp->compr_list, list) { 1153 if (!strcmp(tmp->name, asoc_rtd_to_codec(rtd, 0)->name)) { 1154 adsp_err(dsp, "%s: Only a single stream supported per dai\n", 1155 asoc_rtd_to_codec(rtd, 0)->name); 1156 ret = -EBUSY; 1157 goto out; 1158 } 1159 } 1160 1161 compr = kzalloc(sizeof(*compr), GFP_KERNEL); 1162 if (!compr) { 1163 ret = -ENOMEM; 1164 goto out; 1165 } 1166 1167 compr->dsp = dsp; 1168 compr->stream = stream; 1169 compr->name = asoc_rtd_to_codec(rtd, 0)->name; 1170 1171 list_add_tail(&compr->list, &dsp->compr_list); 1172 1173 stream->runtime->private_data = compr; 1174 1175 out: 1176 mutex_unlock(&dsp->cs_dsp.pwr_lock); 1177 1178 return ret; 1179 } 1180 EXPORT_SYMBOL_GPL(wm_adsp_compr_open); 1181 1182 int wm_adsp_compr_free(struct snd_soc_component *component, 1183 struct snd_compr_stream *stream) 1184 { 1185 struct wm_adsp_compr *compr = stream->runtime->private_data; 1186 struct wm_adsp *dsp = compr->dsp; 1187 1188 mutex_lock(&dsp->cs_dsp.pwr_lock); 1189 1190 wm_adsp_compr_detach(compr); 1191 list_del(&compr->list); 1192 1193 kfree(compr->raw_buf); 1194 kfree(compr); 1195 1196 mutex_unlock(&dsp->cs_dsp.pwr_lock); 1197 1198 return 0; 1199 } 1200 EXPORT_SYMBOL_GPL(wm_adsp_compr_free); 1201 1202 static int wm_adsp_compr_check_params(struct snd_compr_stream *stream, 1203 struct snd_compr_params *params) 1204 { 1205 struct wm_adsp_compr *compr = stream->runtime->private_data; 1206 struct wm_adsp *dsp = compr->dsp; 1207 const struct wm_adsp_fw_caps *caps; 1208 const struct snd_codec_desc *desc; 1209 int i, j; 1210 1211 if (params->buffer.fragment_size < WM_ADSP_MIN_FRAGMENT_SIZE || 1212 params->buffer.fragment_size > WM_ADSP_MAX_FRAGMENT_SIZE || 1213 params->buffer.fragments < WM_ADSP_MIN_FRAGMENTS || 1214 params->buffer.fragments > WM_ADSP_MAX_FRAGMENTS || 1215 params->buffer.fragment_size % CS_DSP_DATA_WORD_SIZE) { 1216 compr_err(compr, "Invalid buffer fragsize=%d fragments=%d\n", 1217 params->buffer.fragment_size, 1218 params->buffer.fragments); 1219 1220 return -EINVAL; 1221 } 1222 1223 for (i = 0; i < wm_adsp_fw[dsp->fw].num_caps; i++) { 1224 caps = &wm_adsp_fw[dsp->fw].caps[i]; 1225 desc = &caps->desc; 1226 1227 if (caps->id != params->codec.id) 1228 continue; 1229 1230 if (stream->direction == SND_COMPRESS_PLAYBACK) { 1231 if (desc->max_ch < params->codec.ch_out) 1232 continue; 1233 } else { 1234 if (desc->max_ch < params->codec.ch_in) 1235 continue; 1236 } 1237 1238 if (!(desc->formats & (1 << params->codec.format))) 1239 continue; 1240 1241 for (j = 0; j < desc->num_sample_rates; ++j) 1242 if (desc->sample_rates[j] == params->codec.sample_rate) 1243 return 0; 1244 } 1245 1246 compr_err(compr, "Invalid params id=%u ch=%u,%u rate=%u fmt=%u\n", 1247 params->codec.id, params->codec.ch_in, params->codec.ch_out, 1248 params->codec.sample_rate, params->codec.format); 1249 return -EINVAL; 1250 } 1251 1252 static inline unsigned int wm_adsp_compr_frag_words(struct wm_adsp_compr *compr) 1253 { 1254 return compr->size.fragment_size / CS_DSP_DATA_WORD_SIZE; 1255 } 1256 1257 int wm_adsp_compr_set_params(struct snd_soc_component *component, 1258 struct snd_compr_stream *stream, 1259 struct snd_compr_params *params) 1260 { 1261 struct wm_adsp_compr *compr = stream->runtime->private_data; 1262 unsigned int size; 1263 int ret; 1264 1265 ret = wm_adsp_compr_check_params(stream, params); 1266 if (ret) 1267 return ret; 1268 1269 compr->size = params->buffer; 1270 1271 compr_dbg(compr, "fragment_size=%d fragments=%d\n", 1272 compr->size.fragment_size, compr->size.fragments); 1273 1274 size = wm_adsp_compr_frag_words(compr) * sizeof(*compr->raw_buf); 1275 compr->raw_buf = kmalloc(size, GFP_DMA | GFP_KERNEL); 1276 if (!compr->raw_buf) 1277 return -ENOMEM; 1278 1279 compr->sample_rate = params->codec.sample_rate; 1280 1281 return 0; 1282 } 1283 EXPORT_SYMBOL_GPL(wm_adsp_compr_set_params); 1284 1285 int wm_adsp_compr_get_caps(struct snd_soc_component *component, 1286 struct snd_compr_stream *stream, 1287 struct snd_compr_caps *caps) 1288 { 1289 struct wm_adsp_compr *compr = stream->runtime->private_data; 1290 int fw = compr->dsp->fw; 1291 int i; 1292 1293 if (wm_adsp_fw[fw].caps) { 1294 for (i = 0; i < wm_adsp_fw[fw].num_caps; i++) 1295 caps->codecs[i] = wm_adsp_fw[fw].caps[i].id; 1296 1297 caps->num_codecs = i; 1298 caps->direction = wm_adsp_fw[fw].compr_direction; 1299 1300 caps->min_fragment_size = WM_ADSP_MIN_FRAGMENT_SIZE; 1301 caps->max_fragment_size = WM_ADSP_MAX_FRAGMENT_SIZE; 1302 caps->min_fragments = WM_ADSP_MIN_FRAGMENTS; 1303 caps->max_fragments = WM_ADSP_MAX_FRAGMENTS; 1304 } 1305 1306 return 0; 1307 } 1308 EXPORT_SYMBOL_GPL(wm_adsp_compr_get_caps); 1309 1310 static inline int wm_adsp_buffer_read(struct wm_adsp_compr_buf *buf, 1311 unsigned int field_offset, u32 *data) 1312 { 1313 return cs_dsp_read_data_word(&buf->dsp->cs_dsp, buf->host_buf_mem_type, 1314 buf->host_buf_ptr + field_offset, data); 1315 } 1316 1317 static inline int wm_adsp_buffer_write(struct wm_adsp_compr_buf *buf, 1318 unsigned int field_offset, u32 data) 1319 { 1320 return cs_dsp_write_data_word(&buf->dsp->cs_dsp, buf->host_buf_mem_type, 1321 buf->host_buf_ptr + field_offset, 1322 data); 1323 } 1324 1325 static int wm_adsp_buffer_populate(struct wm_adsp_compr_buf *buf) 1326 { 1327 const struct wm_adsp_fw_caps *caps = wm_adsp_fw[buf->dsp->fw].caps; 1328 struct wm_adsp_buffer_region *region; 1329 u32 offset = 0; 1330 int i, ret; 1331 1332 buf->regions = kcalloc(caps->num_regions, sizeof(*buf->regions), 1333 GFP_KERNEL); 1334 if (!buf->regions) 1335 return -ENOMEM; 1336 1337 for (i = 0; i < caps->num_regions; ++i) { 1338 region = &buf->regions[i]; 1339 1340 region->offset = offset; 1341 region->mem_type = caps->region_defs[i].mem_type; 1342 1343 ret = wm_adsp_buffer_read(buf, caps->region_defs[i].base_offset, 1344 ®ion->base_addr); 1345 if (ret < 0) 1346 return ret; 1347 1348 ret = wm_adsp_buffer_read(buf, caps->region_defs[i].size_offset, 1349 &offset); 1350 if (ret < 0) 1351 return ret; 1352 1353 region->cumulative_size = offset; 1354 1355 compr_dbg(buf, 1356 "region=%d type=%d base=%08x off=%08x size=%08x\n", 1357 i, region->mem_type, region->base_addr, 1358 region->offset, region->cumulative_size); 1359 } 1360 1361 return 0; 1362 } 1363 1364 static void wm_adsp_buffer_clear(struct wm_adsp_compr_buf *buf) 1365 { 1366 buf->irq_count = 0xFFFFFFFF; 1367 buf->read_index = -1; 1368 buf->avail = 0; 1369 } 1370 1371 static struct wm_adsp_compr_buf *wm_adsp_buffer_alloc(struct wm_adsp *dsp) 1372 { 1373 struct wm_adsp_compr_buf *buf; 1374 1375 buf = kzalloc(sizeof(*buf), GFP_KERNEL); 1376 if (!buf) 1377 return NULL; 1378 1379 buf->dsp = dsp; 1380 1381 wm_adsp_buffer_clear(buf); 1382 1383 list_add_tail(&buf->list, &dsp->buffer_list); 1384 1385 return buf; 1386 } 1387 1388 static int wm_adsp_buffer_parse_legacy(struct wm_adsp *dsp) 1389 { 1390 struct cs_dsp_alg_region *alg_region; 1391 struct wm_adsp_compr_buf *buf; 1392 u32 xmalg, addr, magic; 1393 int i, ret; 1394 1395 alg_region = cs_dsp_find_alg_region(&dsp->cs_dsp, WMFW_ADSP2_XM, dsp->cs_dsp.fw_id); 1396 if (!alg_region) { 1397 adsp_err(dsp, "No algorithm region found\n"); 1398 return -EINVAL; 1399 } 1400 1401 buf = wm_adsp_buffer_alloc(dsp); 1402 if (!buf) 1403 return -ENOMEM; 1404 1405 xmalg = dsp->sys_config_size / sizeof(__be32); 1406 1407 addr = alg_region->base + xmalg + ALG_XM_FIELD(magic); 1408 ret = cs_dsp_read_data_word(&dsp->cs_dsp, WMFW_ADSP2_XM, addr, &magic); 1409 if (ret < 0) 1410 return ret; 1411 1412 if (magic != WM_ADSP_ALG_XM_STRUCT_MAGIC) 1413 return -ENODEV; 1414 1415 addr = alg_region->base + xmalg + ALG_XM_FIELD(host_buf_ptr); 1416 for (i = 0; i < 5; ++i) { 1417 ret = cs_dsp_read_data_word(&dsp->cs_dsp, WMFW_ADSP2_XM, addr, 1418 &buf->host_buf_ptr); 1419 if (ret < 0) 1420 return ret; 1421 1422 if (buf->host_buf_ptr) 1423 break; 1424 1425 usleep_range(1000, 2000); 1426 } 1427 1428 if (!buf->host_buf_ptr) 1429 return -EIO; 1430 1431 buf->host_buf_mem_type = WMFW_ADSP2_XM; 1432 1433 ret = wm_adsp_buffer_populate(buf); 1434 if (ret < 0) 1435 return ret; 1436 1437 compr_dbg(buf, "legacy host_buf_ptr=%x\n", buf->host_buf_ptr); 1438 1439 return 0; 1440 } 1441 1442 static int wm_adsp_buffer_parse_coeff(struct cs_dsp_coeff_ctl *cs_ctl) 1443 { 1444 struct wm_adsp_host_buf_coeff_v1 coeff_v1; 1445 struct wm_adsp_compr_buf *buf; 1446 struct wm_adsp *dsp = container_of(cs_ctl->dsp, struct wm_adsp, cs_dsp); 1447 unsigned int version; 1448 int ret, i; 1449 1450 for (i = 0; i < 5; ++i) { 1451 ret = cs_dsp_coeff_read_ctrl(cs_ctl, &coeff_v1, sizeof(coeff_v1)); 1452 if (ret < 0) 1453 return ret; 1454 1455 if (coeff_v1.host_buf_ptr) 1456 break; 1457 1458 usleep_range(1000, 2000); 1459 } 1460 1461 if (!coeff_v1.host_buf_ptr) { 1462 adsp_err(dsp, "Failed to acquire host buffer\n"); 1463 return -EIO; 1464 } 1465 1466 buf = wm_adsp_buffer_alloc(dsp); 1467 if (!buf) 1468 return -ENOMEM; 1469 1470 buf->host_buf_mem_type = cs_ctl->alg_region.type; 1471 buf->host_buf_ptr = be32_to_cpu(coeff_v1.host_buf_ptr); 1472 1473 ret = wm_adsp_buffer_populate(buf); 1474 if (ret < 0) 1475 return ret; 1476 1477 /* 1478 * v0 host_buffer coefficients didn't have versioning, so if the 1479 * control is one word, assume version 0. 1480 */ 1481 if (cs_ctl->len == 4) { 1482 compr_dbg(buf, "host_buf_ptr=%x\n", buf->host_buf_ptr); 1483 return 0; 1484 } 1485 1486 version = be32_to_cpu(coeff_v1.versions) & HOST_BUF_COEFF_COMPAT_VER_MASK; 1487 version >>= HOST_BUF_COEFF_COMPAT_VER_SHIFT; 1488 1489 if (version > HOST_BUF_COEFF_SUPPORTED_COMPAT_VER) { 1490 adsp_err(dsp, 1491 "Host buffer coeff ver %u > supported version %u\n", 1492 version, HOST_BUF_COEFF_SUPPORTED_COMPAT_VER); 1493 return -EINVAL; 1494 } 1495 1496 cs_dsp_remove_padding((u32 *)&coeff_v1.name, ARRAY_SIZE(coeff_v1.name)); 1497 1498 buf->name = kasprintf(GFP_KERNEL, "%s-dsp-%s", dsp->part, 1499 (char *)&coeff_v1.name); 1500 1501 compr_dbg(buf, "host_buf_ptr=%x coeff version %u\n", 1502 buf->host_buf_ptr, version); 1503 1504 return version; 1505 } 1506 1507 static int wm_adsp_buffer_init(struct wm_adsp *dsp) 1508 { 1509 struct cs_dsp_coeff_ctl *cs_ctl; 1510 int ret; 1511 1512 list_for_each_entry(cs_ctl, &dsp->cs_dsp.ctl_list, list) { 1513 if (cs_ctl->type != WMFW_CTL_TYPE_HOST_BUFFER) 1514 continue; 1515 1516 if (!cs_ctl->enabled) 1517 continue; 1518 1519 ret = wm_adsp_buffer_parse_coeff(cs_ctl); 1520 if (ret < 0) { 1521 adsp_err(dsp, "Failed to parse coeff: %d\n", ret); 1522 goto error; 1523 } else if (ret == 0) { 1524 /* Only one buffer supported for version 0 */ 1525 return 0; 1526 } 1527 } 1528 1529 if (list_empty(&dsp->buffer_list)) { 1530 /* Fall back to legacy support */ 1531 ret = wm_adsp_buffer_parse_legacy(dsp); 1532 if (ret) { 1533 adsp_err(dsp, "Failed to parse legacy: %d\n", ret); 1534 goto error; 1535 } 1536 } 1537 1538 return 0; 1539 1540 error: 1541 wm_adsp_buffer_free(dsp); 1542 return ret; 1543 } 1544 1545 static int wm_adsp_buffer_free(struct wm_adsp *dsp) 1546 { 1547 struct wm_adsp_compr_buf *buf, *tmp; 1548 1549 list_for_each_entry_safe(buf, tmp, &dsp->buffer_list, list) { 1550 wm_adsp_compr_detach(buf->compr); 1551 1552 kfree(buf->name); 1553 kfree(buf->regions); 1554 list_del(&buf->list); 1555 kfree(buf); 1556 } 1557 1558 return 0; 1559 } 1560 1561 static int wm_adsp_buffer_get_error(struct wm_adsp_compr_buf *buf) 1562 { 1563 int ret; 1564 1565 ret = wm_adsp_buffer_read(buf, HOST_BUFFER_FIELD(error), &buf->error); 1566 if (ret < 0) { 1567 compr_err(buf, "Failed to check buffer error: %d\n", ret); 1568 return ret; 1569 } 1570 if (buf->error != 0) { 1571 compr_err(buf, "Buffer error occurred: %d\n", buf->error); 1572 return -EIO; 1573 } 1574 1575 return 0; 1576 } 1577 1578 int wm_adsp_compr_trigger(struct snd_soc_component *component, 1579 struct snd_compr_stream *stream, int cmd) 1580 { 1581 struct wm_adsp_compr *compr = stream->runtime->private_data; 1582 struct wm_adsp *dsp = compr->dsp; 1583 int ret = 0; 1584 1585 compr_dbg(compr, "Trigger: %d\n", cmd); 1586 1587 mutex_lock(&dsp->cs_dsp.pwr_lock); 1588 1589 switch (cmd) { 1590 case SNDRV_PCM_TRIGGER_START: 1591 if (!wm_adsp_compr_attached(compr)) { 1592 ret = wm_adsp_compr_attach(compr); 1593 if (ret < 0) { 1594 compr_err(compr, "Failed to link buffer and stream: %d\n", 1595 ret); 1596 break; 1597 } 1598 } 1599 1600 ret = wm_adsp_buffer_get_error(compr->buf); 1601 if (ret < 0) 1602 break; 1603 1604 /* Trigger the IRQ at one fragment of data */ 1605 ret = wm_adsp_buffer_write(compr->buf, 1606 HOST_BUFFER_FIELD(high_water_mark), 1607 wm_adsp_compr_frag_words(compr)); 1608 if (ret < 0) { 1609 compr_err(compr, "Failed to set high water mark: %d\n", 1610 ret); 1611 break; 1612 } 1613 break; 1614 case SNDRV_PCM_TRIGGER_STOP: 1615 if (wm_adsp_compr_attached(compr)) 1616 wm_adsp_buffer_clear(compr->buf); 1617 break; 1618 default: 1619 ret = -EINVAL; 1620 break; 1621 } 1622 1623 mutex_unlock(&dsp->cs_dsp.pwr_lock); 1624 1625 return ret; 1626 } 1627 EXPORT_SYMBOL_GPL(wm_adsp_compr_trigger); 1628 1629 static inline int wm_adsp_buffer_size(struct wm_adsp_compr_buf *buf) 1630 { 1631 int last_region = wm_adsp_fw[buf->dsp->fw].caps->num_regions - 1; 1632 1633 return buf->regions[last_region].cumulative_size; 1634 } 1635 1636 static int wm_adsp_buffer_update_avail(struct wm_adsp_compr_buf *buf) 1637 { 1638 u32 next_read_index, next_write_index; 1639 int write_index, read_index, avail; 1640 int ret; 1641 1642 /* Only sync read index if we haven't already read a valid index */ 1643 if (buf->read_index < 0) { 1644 ret = wm_adsp_buffer_read(buf, 1645 HOST_BUFFER_FIELD(next_read_index), 1646 &next_read_index); 1647 if (ret < 0) 1648 return ret; 1649 1650 read_index = sign_extend32(next_read_index, 23); 1651 1652 if (read_index < 0) { 1653 compr_dbg(buf, "Avail check on unstarted stream\n"); 1654 return 0; 1655 } 1656 1657 buf->read_index = read_index; 1658 } 1659 1660 ret = wm_adsp_buffer_read(buf, HOST_BUFFER_FIELD(next_write_index), 1661 &next_write_index); 1662 if (ret < 0) 1663 return ret; 1664 1665 write_index = sign_extend32(next_write_index, 23); 1666 1667 avail = write_index - buf->read_index; 1668 if (avail < 0) 1669 avail += wm_adsp_buffer_size(buf); 1670 1671 compr_dbg(buf, "readindex=0x%x, writeindex=0x%x, avail=%d\n", 1672 buf->read_index, write_index, avail * CS_DSP_DATA_WORD_SIZE); 1673 1674 buf->avail = avail; 1675 1676 return 0; 1677 } 1678 1679 int wm_adsp_compr_handle_irq(struct wm_adsp *dsp) 1680 { 1681 struct wm_adsp_compr_buf *buf; 1682 struct wm_adsp_compr *compr; 1683 int ret = 0; 1684 1685 mutex_lock(&dsp->cs_dsp.pwr_lock); 1686 1687 if (list_empty(&dsp->buffer_list)) { 1688 ret = -ENODEV; 1689 goto out; 1690 } 1691 1692 adsp_dbg(dsp, "Handling buffer IRQ\n"); 1693 1694 list_for_each_entry(buf, &dsp->buffer_list, list) { 1695 compr = buf->compr; 1696 1697 ret = wm_adsp_buffer_get_error(buf); 1698 if (ret < 0) 1699 goto out_notify; /* Wake poll to report error */ 1700 1701 ret = wm_adsp_buffer_read(buf, HOST_BUFFER_FIELD(irq_count), 1702 &buf->irq_count); 1703 if (ret < 0) { 1704 compr_err(buf, "Failed to get irq_count: %d\n", ret); 1705 goto out; 1706 } 1707 1708 ret = wm_adsp_buffer_update_avail(buf); 1709 if (ret < 0) { 1710 compr_err(buf, "Error reading avail: %d\n", ret); 1711 goto out; 1712 } 1713 1714 if (wm_adsp_fw[dsp->fw].voice_trigger && buf->irq_count == 2) 1715 ret = WM_ADSP_COMPR_VOICE_TRIGGER; 1716 1717 out_notify: 1718 if (compr && compr->stream) 1719 snd_compr_fragment_elapsed(compr->stream); 1720 } 1721 1722 out: 1723 mutex_unlock(&dsp->cs_dsp.pwr_lock); 1724 1725 return ret; 1726 } 1727 EXPORT_SYMBOL_GPL(wm_adsp_compr_handle_irq); 1728 1729 static int wm_adsp_buffer_reenable_irq(struct wm_adsp_compr_buf *buf) 1730 { 1731 if (buf->irq_count & 0x01) 1732 return 0; 1733 1734 compr_dbg(buf, "Enable IRQ(0x%x) for next fragment\n", buf->irq_count); 1735 1736 buf->irq_count |= 0x01; 1737 1738 return wm_adsp_buffer_write(buf, HOST_BUFFER_FIELD(irq_ack), 1739 buf->irq_count); 1740 } 1741 1742 int wm_adsp_compr_pointer(struct snd_soc_component *component, 1743 struct snd_compr_stream *stream, 1744 struct snd_compr_tstamp *tstamp) 1745 { 1746 struct wm_adsp_compr *compr = stream->runtime->private_data; 1747 struct wm_adsp *dsp = compr->dsp; 1748 struct wm_adsp_compr_buf *buf; 1749 int ret = 0; 1750 1751 compr_dbg(compr, "Pointer request\n"); 1752 1753 mutex_lock(&dsp->cs_dsp.pwr_lock); 1754 1755 buf = compr->buf; 1756 1757 if (dsp->fatal_error || !buf || buf->error) { 1758 snd_compr_stop_error(stream, SNDRV_PCM_STATE_XRUN); 1759 ret = -EIO; 1760 goto out; 1761 } 1762 1763 if (buf->avail < wm_adsp_compr_frag_words(compr)) { 1764 ret = wm_adsp_buffer_update_avail(buf); 1765 if (ret < 0) { 1766 compr_err(compr, "Error reading avail: %d\n", ret); 1767 goto out; 1768 } 1769 1770 /* 1771 * If we really have less than 1 fragment available tell the 1772 * DSP to inform us once a whole fragment is available. 1773 */ 1774 if (buf->avail < wm_adsp_compr_frag_words(compr)) { 1775 ret = wm_adsp_buffer_get_error(buf); 1776 if (ret < 0) { 1777 if (buf->error) 1778 snd_compr_stop_error(stream, 1779 SNDRV_PCM_STATE_XRUN); 1780 goto out; 1781 } 1782 1783 ret = wm_adsp_buffer_reenable_irq(buf); 1784 if (ret < 0) { 1785 compr_err(compr, "Failed to re-enable buffer IRQ: %d\n", 1786 ret); 1787 goto out; 1788 } 1789 } 1790 } 1791 1792 tstamp->copied_total = compr->copied_total; 1793 tstamp->copied_total += buf->avail * CS_DSP_DATA_WORD_SIZE; 1794 tstamp->sampling_rate = compr->sample_rate; 1795 1796 out: 1797 mutex_unlock(&dsp->cs_dsp.pwr_lock); 1798 1799 return ret; 1800 } 1801 EXPORT_SYMBOL_GPL(wm_adsp_compr_pointer); 1802 1803 static int wm_adsp_buffer_capture_block(struct wm_adsp_compr *compr, int target) 1804 { 1805 struct wm_adsp_compr_buf *buf = compr->buf; 1806 unsigned int adsp_addr; 1807 int mem_type, nwords, max_read; 1808 int i, ret; 1809 1810 /* Calculate read parameters */ 1811 for (i = 0; i < wm_adsp_fw[buf->dsp->fw].caps->num_regions; ++i) 1812 if (buf->read_index < buf->regions[i].cumulative_size) 1813 break; 1814 1815 if (i == wm_adsp_fw[buf->dsp->fw].caps->num_regions) 1816 return -EINVAL; 1817 1818 mem_type = buf->regions[i].mem_type; 1819 adsp_addr = buf->regions[i].base_addr + 1820 (buf->read_index - buf->regions[i].offset); 1821 1822 max_read = wm_adsp_compr_frag_words(compr); 1823 nwords = buf->regions[i].cumulative_size - buf->read_index; 1824 1825 if (nwords > target) 1826 nwords = target; 1827 if (nwords > buf->avail) 1828 nwords = buf->avail; 1829 if (nwords > max_read) 1830 nwords = max_read; 1831 if (!nwords) 1832 return 0; 1833 1834 /* Read data from DSP */ 1835 ret = cs_dsp_read_raw_data_block(&buf->dsp->cs_dsp, mem_type, adsp_addr, 1836 nwords, (__be32 *)compr->raw_buf); 1837 if (ret < 0) 1838 return ret; 1839 1840 cs_dsp_remove_padding(compr->raw_buf, nwords); 1841 1842 /* update read index to account for words read */ 1843 buf->read_index += nwords; 1844 if (buf->read_index == wm_adsp_buffer_size(buf)) 1845 buf->read_index = 0; 1846 1847 ret = wm_adsp_buffer_write(buf, HOST_BUFFER_FIELD(next_read_index), 1848 buf->read_index); 1849 if (ret < 0) 1850 return ret; 1851 1852 /* update avail to account for words read */ 1853 buf->avail -= nwords; 1854 1855 return nwords; 1856 } 1857 1858 static int wm_adsp_compr_read(struct wm_adsp_compr *compr, 1859 char __user *buf, size_t count) 1860 { 1861 struct wm_adsp *dsp = compr->dsp; 1862 int ntotal = 0; 1863 int nwords, nbytes; 1864 1865 compr_dbg(compr, "Requested read of %zu bytes\n", count); 1866 1867 if (dsp->fatal_error || !compr->buf || compr->buf->error) { 1868 snd_compr_stop_error(compr->stream, SNDRV_PCM_STATE_XRUN); 1869 return -EIO; 1870 } 1871 1872 count /= CS_DSP_DATA_WORD_SIZE; 1873 1874 do { 1875 nwords = wm_adsp_buffer_capture_block(compr, count); 1876 if (nwords < 0) { 1877 compr_err(compr, "Failed to capture block: %d\n", 1878 nwords); 1879 return nwords; 1880 } 1881 1882 nbytes = nwords * CS_DSP_DATA_WORD_SIZE; 1883 1884 compr_dbg(compr, "Read %d bytes\n", nbytes); 1885 1886 if (copy_to_user(buf + ntotal, compr->raw_buf, nbytes)) { 1887 compr_err(compr, "Failed to copy data to user: %d, %d\n", 1888 ntotal, nbytes); 1889 return -EFAULT; 1890 } 1891 1892 count -= nwords; 1893 ntotal += nbytes; 1894 } while (nwords > 0 && count > 0); 1895 1896 compr->copied_total += ntotal; 1897 1898 return ntotal; 1899 } 1900 1901 int wm_adsp_compr_copy(struct snd_soc_component *component, 1902 struct snd_compr_stream *stream, char __user *buf, 1903 size_t count) 1904 { 1905 struct wm_adsp_compr *compr = stream->runtime->private_data; 1906 struct wm_adsp *dsp = compr->dsp; 1907 int ret; 1908 1909 mutex_lock(&dsp->cs_dsp.pwr_lock); 1910 1911 if (stream->direction == SND_COMPRESS_CAPTURE) 1912 ret = wm_adsp_compr_read(compr, buf, count); 1913 else 1914 ret = -ENOTSUPP; 1915 1916 mutex_unlock(&dsp->cs_dsp.pwr_lock); 1917 1918 return ret; 1919 } 1920 EXPORT_SYMBOL_GPL(wm_adsp_compr_copy); 1921 1922 static void wm_adsp_fatal_error(struct cs_dsp *cs_dsp) 1923 { 1924 struct wm_adsp *dsp = container_of(cs_dsp, struct wm_adsp, cs_dsp); 1925 struct wm_adsp_compr *compr; 1926 1927 dsp->fatal_error = true; 1928 1929 list_for_each_entry(compr, &dsp->compr_list, list) { 1930 if (compr->stream) 1931 snd_compr_fragment_elapsed(compr->stream); 1932 } 1933 } 1934 1935 irqreturn_t wm_adsp2_bus_error(int irq, void *data) 1936 { 1937 struct wm_adsp *dsp = (struct wm_adsp *)data; 1938 1939 cs_dsp_adsp2_bus_error(&dsp->cs_dsp); 1940 1941 return IRQ_HANDLED; 1942 } 1943 EXPORT_SYMBOL_GPL(wm_adsp2_bus_error); 1944 1945 irqreturn_t wm_halo_bus_error(int irq, void *data) 1946 { 1947 struct wm_adsp *dsp = (struct wm_adsp *)data; 1948 1949 cs_dsp_halo_bus_error(&dsp->cs_dsp); 1950 1951 return IRQ_HANDLED; 1952 } 1953 EXPORT_SYMBOL_GPL(wm_halo_bus_error); 1954 1955 irqreturn_t wm_halo_wdt_expire(int irq, void *data) 1956 { 1957 struct wm_adsp *dsp = data; 1958 1959 cs_dsp_halo_wdt_expire(&dsp->cs_dsp); 1960 1961 return IRQ_HANDLED; 1962 } 1963 EXPORT_SYMBOL_GPL(wm_halo_wdt_expire); 1964 1965 static const struct cs_dsp_client_ops wm_adsp1_client_ops = { 1966 .control_add = wm_adsp_control_add, 1967 .control_remove = wm_adsp_control_remove, 1968 }; 1969 1970 static const struct cs_dsp_client_ops wm_adsp2_client_ops = { 1971 .control_add = wm_adsp_control_add, 1972 .control_remove = wm_adsp_control_remove, 1973 .post_run = wm_adsp_event_post_run, 1974 .post_stop = wm_adsp_event_post_stop, 1975 .watchdog_expired = wm_adsp_fatal_error, 1976 }; 1977 1978 MODULE_LICENSE("GPL v2"); 1979