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, 0, 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, 0, 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, 0, 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, 0, 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 void wm_adsp_ctl_work(struct work_struct *work) 541 { 542 struct wm_coeff_ctl *ctl = container_of(work, 543 struct wm_coeff_ctl, 544 work); 545 struct cs_dsp_coeff_ctl *cs_ctl = ctl->cs_ctl; 546 struct wm_adsp *dsp = container_of(cs_ctl->dsp, 547 struct wm_adsp, 548 cs_dsp); 549 struct snd_kcontrol_new *kcontrol; 550 551 kcontrol = kzalloc(sizeof(*kcontrol), GFP_KERNEL); 552 if (!kcontrol) 553 return; 554 555 kcontrol->name = ctl->name; 556 kcontrol->info = wm_coeff_info; 557 kcontrol->iface = SNDRV_CTL_ELEM_IFACE_MIXER; 558 kcontrol->tlv.c = snd_soc_bytes_tlv_callback; 559 kcontrol->private_value = (unsigned long)&ctl->bytes_ext; 560 kcontrol->access = wmfw_convert_flags(cs_ctl->flags, cs_ctl->len); 561 562 switch (cs_ctl->type) { 563 case WMFW_CTL_TYPE_ACKED: 564 kcontrol->get = wm_coeff_get_acked; 565 kcontrol->put = wm_coeff_put_acked; 566 break; 567 default: 568 if (kcontrol->access & SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK) { 569 ctl->bytes_ext.max = cs_ctl->len; 570 ctl->bytes_ext.get = wm_coeff_tlv_get; 571 ctl->bytes_ext.put = wm_coeff_tlv_put; 572 } else { 573 kcontrol->get = wm_coeff_get; 574 kcontrol->put = wm_coeff_put; 575 } 576 break; 577 } 578 579 snd_soc_add_component_controls(dsp->component, kcontrol, 1); 580 581 kfree(kcontrol); 582 } 583 584 static int wm_adsp_control_add(struct cs_dsp_coeff_ctl *cs_ctl) 585 { 586 struct wm_adsp *dsp = container_of(cs_ctl->dsp, struct wm_adsp, cs_dsp); 587 struct cs_dsp *cs_dsp = &dsp->cs_dsp; 588 struct wm_coeff_ctl *ctl; 589 char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; 590 const char *region_name; 591 int ret; 592 593 if (cs_ctl->flags & WMFW_CTL_FLAG_SYS) 594 return 0; 595 596 region_name = cs_dsp_mem_region_name(cs_ctl->alg_region.type); 597 if (!region_name) { 598 adsp_err(dsp, "Unknown region type: %d\n", cs_ctl->alg_region.type); 599 return -EINVAL; 600 } 601 602 switch (cs_dsp->fw_ver) { 603 case 0: 604 case 1: 605 ret = scnprintf(name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN, 606 "%s %s %x", cs_dsp->name, region_name, 607 cs_ctl->alg_region.alg); 608 break; 609 case 2: 610 ret = scnprintf(name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN, 611 "%s%c %.12s %x", cs_dsp->name, *region_name, 612 wm_adsp_fw_text[dsp->fw], cs_ctl->alg_region.alg); 613 break; 614 default: 615 ret = scnprintf(name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN, 616 "%s %.12s %x", cs_dsp->name, 617 wm_adsp_fw_text[dsp->fw], cs_ctl->alg_region.alg); 618 break; 619 } 620 621 if (cs_ctl->subname) { 622 int avail = SNDRV_CTL_ELEM_ID_NAME_MAXLEN - ret - 2; 623 int skip = 0; 624 625 if (dsp->component->name_prefix) 626 avail -= strlen(dsp->component->name_prefix) + 1; 627 628 /* Truncate the subname from the start if it is too long */ 629 if (cs_ctl->subname_len > avail) 630 skip = cs_ctl->subname_len - avail; 631 632 snprintf(name + ret, SNDRV_CTL_ELEM_ID_NAME_MAXLEN - ret, 633 " %.*s", cs_ctl->subname_len - skip, cs_ctl->subname + skip); 634 } 635 636 ctl = kzalloc(sizeof(*ctl), GFP_KERNEL); 637 if (!ctl) 638 return -ENOMEM; 639 ctl->cs_ctl = cs_ctl; 640 641 ctl->name = kmemdup(name, strlen(name) + 1, GFP_KERNEL); 642 if (!ctl->name) { 643 ret = -ENOMEM; 644 goto err_ctl; 645 } 646 647 cs_ctl->priv = ctl; 648 649 INIT_WORK(&ctl->work, wm_adsp_ctl_work); 650 schedule_work(&ctl->work); 651 652 return 0; 653 654 err_ctl: 655 kfree(ctl); 656 657 return ret; 658 } 659 660 static void wm_adsp_control_remove(struct cs_dsp_coeff_ctl *cs_ctl) 661 { 662 struct wm_coeff_ctl *ctl = cs_ctl->priv; 663 664 cancel_work_sync(&ctl->work); 665 666 kfree(ctl->name); 667 kfree(ctl); 668 } 669 670 int wm_adsp_write_ctl(struct wm_adsp *dsp, const char *name, int type, 671 unsigned int alg, void *buf, size_t len) 672 { 673 struct cs_dsp_coeff_ctl *cs_ctl; 674 struct wm_coeff_ctl *ctl; 675 struct snd_kcontrol *kcontrol; 676 char ctl_name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; 677 int ret; 678 679 cs_ctl = cs_dsp_get_ctl(&dsp->cs_dsp, name, type, alg); 680 if (!cs_ctl) 681 return -EINVAL; 682 683 ctl = cs_ctl->priv; 684 685 if (len > cs_ctl->len) 686 return -EINVAL; 687 688 ret = cs_dsp_coeff_write_ctrl(cs_ctl, 0, buf, len); 689 if (ret) 690 return ret; 691 692 if (cs_ctl->flags & WMFW_CTL_FLAG_SYS) 693 return 0; 694 695 if (dsp->component->name_prefix) 696 snprintf(ctl_name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN, "%s %s", 697 dsp->component->name_prefix, ctl->name); 698 else 699 snprintf(ctl_name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN, "%s", 700 ctl->name); 701 702 kcontrol = snd_soc_card_get_kcontrol(dsp->component->card, ctl_name); 703 if (!kcontrol) { 704 adsp_err(dsp, "Can't find kcontrol %s\n", ctl_name); 705 return -EINVAL; 706 } 707 708 snd_ctl_notify(dsp->component->card->snd_card, 709 SNDRV_CTL_EVENT_MASK_VALUE, &kcontrol->id); 710 711 return 0; 712 } 713 EXPORT_SYMBOL_GPL(wm_adsp_write_ctl); 714 715 int wm_adsp_read_ctl(struct wm_adsp *dsp, const char *name, int type, 716 unsigned int alg, void *buf, size_t len) 717 { 718 struct cs_dsp_coeff_ctl *cs_ctl; 719 720 cs_ctl = cs_dsp_get_ctl(&dsp->cs_dsp, name, type, alg); 721 if (!cs_ctl) 722 return -EINVAL; 723 724 if (len > cs_ctl->len) 725 return -EINVAL; 726 727 return cs_dsp_coeff_read_ctrl(cs_ctl, 0, buf, len); 728 } 729 EXPORT_SYMBOL_GPL(wm_adsp_read_ctl); 730 731 static void wm_adsp_release_firmware_files(struct wm_adsp *dsp, 732 const struct firmware *wmfw_firmware, 733 char *wmfw_filename, 734 const struct firmware *coeff_firmware, 735 char *coeff_filename) 736 { 737 if (wmfw_firmware) 738 release_firmware(wmfw_firmware); 739 kfree(wmfw_filename); 740 741 if (coeff_firmware) 742 release_firmware(coeff_firmware); 743 kfree(coeff_filename); 744 } 745 746 static int wm_adsp_request_firmware_file(struct wm_adsp *dsp, 747 const struct firmware **firmware, 748 char **filename, 749 char *suffix) 750 { 751 struct cs_dsp *cs_dsp = &dsp->cs_dsp; 752 int ret = 0; 753 754 *filename = kasprintf(GFP_KERNEL, "%s-%s-%s.%s", dsp->part, dsp->fwf_name, 755 wm_adsp_fw[dsp->fw].file, suffix); 756 if (*filename == NULL) 757 return -ENOMEM; 758 759 ret = request_firmware(firmware, *filename, cs_dsp->dev); 760 if (ret != 0) { 761 adsp_err(dsp, "Failed to request '%s'\n", *filename); 762 kfree(*filename); 763 *filename = NULL; 764 } 765 766 return ret; 767 } 768 769 static int wm_adsp_request_firmware_files(struct wm_adsp *dsp, 770 const struct firmware **wmfw_firmware, 771 char **wmfw_filename, 772 const struct firmware **coeff_firmware, 773 char **coeff_filename) 774 { 775 int ret = 0; 776 777 ret = wm_adsp_request_firmware_file(dsp, wmfw_firmware, wmfw_filename, "wmfw"); 778 if (ret != 0) 779 return ret; 780 781 wm_adsp_request_firmware_file(dsp, coeff_firmware, coeff_filename, "bin"); 782 783 return 0; 784 } 785 786 static int wm_adsp_common_init(struct wm_adsp *dsp) 787 { 788 char *p; 789 790 INIT_LIST_HEAD(&dsp->compr_list); 791 INIT_LIST_HEAD(&dsp->buffer_list); 792 793 if (!dsp->fwf_name) { 794 p = devm_kstrdup(dsp->cs_dsp.dev, dsp->cs_dsp.name, GFP_KERNEL); 795 if (!p) 796 return -ENOMEM; 797 798 dsp->fwf_name = p; 799 for (; *p != 0; ++p) 800 *p = tolower(*p); 801 } 802 803 return 0; 804 } 805 806 int wm_adsp1_init(struct wm_adsp *dsp) 807 { 808 int ret; 809 810 dsp->cs_dsp.client_ops = &wm_adsp1_client_ops; 811 812 ret = cs_dsp_adsp1_init(&dsp->cs_dsp); 813 if (ret) 814 return ret; 815 816 return wm_adsp_common_init(dsp); 817 } 818 EXPORT_SYMBOL_GPL(wm_adsp1_init); 819 820 int wm_adsp1_event(struct snd_soc_dapm_widget *w, 821 struct snd_kcontrol *kcontrol, 822 int event) 823 { 824 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); 825 struct wm_adsp *dsps = snd_soc_component_get_drvdata(component); 826 struct wm_adsp *dsp = &dsps[w->shift]; 827 int ret = 0; 828 char *wmfw_filename = NULL; 829 const struct firmware *wmfw_firmware = NULL; 830 char *coeff_filename = NULL; 831 const struct firmware *coeff_firmware = NULL; 832 833 dsp->component = component; 834 835 switch (event) { 836 case SND_SOC_DAPM_POST_PMU: 837 ret = wm_adsp_request_firmware_files(dsp, 838 &wmfw_firmware, &wmfw_filename, 839 &coeff_firmware, &coeff_filename); 840 if (ret) 841 break; 842 843 ret = cs_dsp_adsp1_power_up(&dsp->cs_dsp, 844 wmfw_firmware, wmfw_filename, 845 coeff_firmware, coeff_filename, 846 wm_adsp_fw_text[dsp->fw]); 847 848 wm_adsp_release_firmware_files(dsp, 849 wmfw_firmware, wmfw_filename, 850 coeff_firmware, coeff_filename); 851 break; 852 case SND_SOC_DAPM_PRE_PMD: 853 cs_dsp_adsp1_power_down(&dsp->cs_dsp); 854 break; 855 default: 856 break; 857 } 858 859 return ret; 860 } 861 EXPORT_SYMBOL_GPL(wm_adsp1_event); 862 863 int wm_adsp2_set_dspclk(struct snd_soc_dapm_widget *w, unsigned int freq) 864 { 865 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); 866 struct wm_adsp *dsps = snd_soc_component_get_drvdata(component); 867 struct wm_adsp *dsp = &dsps[w->shift]; 868 869 return cs_dsp_set_dspclk(&dsp->cs_dsp, freq); 870 } 871 EXPORT_SYMBOL_GPL(wm_adsp2_set_dspclk); 872 873 int wm_adsp2_preloader_get(struct snd_kcontrol *kcontrol, 874 struct snd_ctl_elem_value *ucontrol) 875 { 876 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); 877 struct wm_adsp *dsps = snd_soc_component_get_drvdata(component); 878 struct soc_mixer_control *mc = 879 (struct soc_mixer_control *)kcontrol->private_value; 880 struct wm_adsp *dsp = &dsps[mc->shift - 1]; 881 882 ucontrol->value.integer.value[0] = dsp->preloaded; 883 884 return 0; 885 } 886 EXPORT_SYMBOL_GPL(wm_adsp2_preloader_get); 887 888 int wm_adsp2_preloader_put(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 snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component); 894 struct soc_mixer_control *mc = 895 (struct soc_mixer_control *)kcontrol->private_value; 896 struct wm_adsp *dsp = &dsps[mc->shift - 1]; 897 char preload[32]; 898 899 if (dsp->preloaded == ucontrol->value.integer.value[0]) 900 return 0; 901 902 snprintf(preload, ARRAY_SIZE(preload), "%s Preload", dsp->cs_dsp.name); 903 904 if (ucontrol->value.integer.value[0] || dsp->toggle_preload) 905 snd_soc_component_force_enable_pin(component, preload); 906 else 907 snd_soc_component_disable_pin(component, preload); 908 909 snd_soc_dapm_sync(dapm); 910 911 flush_work(&dsp->boot_work); 912 913 dsp->preloaded = ucontrol->value.integer.value[0]; 914 915 if (dsp->toggle_preload) { 916 snd_soc_component_disable_pin(component, preload); 917 snd_soc_dapm_sync(dapm); 918 } 919 920 return 0; 921 } 922 EXPORT_SYMBOL_GPL(wm_adsp2_preloader_put); 923 924 static void wm_adsp_boot_work(struct work_struct *work) 925 { 926 struct wm_adsp *dsp = container_of(work, 927 struct wm_adsp, 928 boot_work); 929 int ret = 0; 930 char *wmfw_filename = NULL; 931 const struct firmware *wmfw_firmware = NULL; 932 char *coeff_filename = NULL; 933 const struct firmware *coeff_firmware = NULL; 934 935 ret = wm_adsp_request_firmware_files(dsp, 936 &wmfw_firmware, &wmfw_filename, 937 &coeff_firmware, &coeff_filename); 938 if (ret) 939 return; 940 941 cs_dsp_power_up(&dsp->cs_dsp, 942 wmfw_firmware, wmfw_filename, 943 coeff_firmware, coeff_filename, 944 wm_adsp_fw_text[dsp->fw]); 945 946 wm_adsp_release_firmware_files(dsp, 947 wmfw_firmware, wmfw_filename, 948 coeff_firmware, coeff_filename); 949 } 950 951 int wm_adsp_early_event(struct snd_soc_dapm_widget *w, 952 struct snd_kcontrol *kcontrol, int event) 953 { 954 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); 955 struct wm_adsp *dsps = snd_soc_component_get_drvdata(component); 956 struct wm_adsp *dsp = &dsps[w->shift]; 957 958 switch (event) { 959 case SND_SOC_DAPM_PRE_PMU: 960 queue_work(system_unbound_wq, &dsp->boot_work); 961 break; 962 case SND_SOC_DAPM_PRE_PMD: 963 cs_dsp_power_down(&dsp->cs_dsp); 964 break; 965 default: 966 break; 967 } 968 969 return 0; 970 } 971 EXPORT_SYMBOL_GPL(wm_adsp_early_event); 972 973 static int wm_adsp_event_post_run(struct cs_dsp *cs_dsp) 974 { 975 struct wm_adsp *dsp = container_of(cs_dsp, struct wm_adsp, cs_dsp); 976 977 if (wm_adsp_fw[dsp->fw].num_caps != 0) 978 return wm_adsp_buffer_init(dsp); 979 980 return 0; 981 } 982 983 static void wm_adsp_event_post_stop(struct cs_dsp *cs_dsp) 984 { 985 struct wm_adsp *dsp = container_of(cs_dsp, struct wm_adsp, cs_dsp); 986 987 if (wm_adsp_fw[dsp->fw].num_caps != 0) 988 wm_adsp_buffer_free(dsp); 989 990 dsp->fatal_error = false; 991 } 992 993 int wm_adsp_event(struct snd_soc_dapm_widget *w, 994 struct snd_kcontrol *kcontrol, int event) 995 { 996 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); 997 struct wm_adsp *dsps = snd_soc_component_get_drvdata(component); 998 struct wm_adsp *dsp = &dsps[w->shift]; 999 int ret = 0; 1000 1001 switch (event) { 1002 case SND_SOC_DAPM_POST_PMU: 1003 flush_work(&dsp->boot_work); 1004 ret = cs_dsp_run(&dsp->cs_dsp); 1005 break; 1006 case SND_SOC_DAPM_PRE_PMD: 1007 cs_dsp_stop(&dsp->cs_dsp); 1008 break; 1009 default: 1010 break; 1011 } 1012 1013 return ret; 1014 } 1015 EXPORT_SYMBOL_GPL(wm_adsp_event); 1016 1017 int wm_adsp2_component_probe(struct wm_adsp *dsp, struct snd_soc_component *component) 1018 { 1019 char preload[32]; 1020 1021 snprintf(preload, ARRAY_SIZE(preload), "%s Preload", dsp->cs_dsp.name); 1022 snd_soc_component_disable_pin(component, preload); 1023 1024 cs_dsp_init_debugfs(&dsp->cs_dsp, component->debugfs_root); 1025 1026 dsp->component = component; 1027 1028 return 0; 1029 } 1030 EXPORT_SYMBOL_GPL(wm_adsp2_component_probe); 1031 1032 int wm_adsp2_component_remove(struct wm_adsp *dsp, struct snd_soc_component *component) 1033 { 1034 cs_dsp_cleanup_debugfs(&dsp->cs_dsp); 1035 1036 return 0; 1037 } 1038 EXPORT_SYMBOL_GPL(wm_adsp2_component_remove); 1039 1040 int wm_adsp2_init(struct wm_adsp *dsp) 1041 { 1042 int ret; 1043 1044 INIT_WORK(&dsp->boot_work, wm_adsp_boot_work); 1045 1046 dsp->sys_config_size = sizeof(struct wm_adsp_system_config_xm_hdr); 1047 dsp->cs_dsp.client_ops = &wm_adsp2_client_ops; 1048 1049 ret = cs_dsp_adsp2_init(&dsp->cs_dsp); 1050 if (ret) 1051 return ret; 1052 1053 return wm_adsp_common_init(dsp); 1054 } 1055 EXPORT_SYMBOL_GPL(wm_adsp2_init); 1056 1057 int wm_halo_init(struct wm_adsp *dsp) 1058 { 1059 int ret; 1060 1061 INIT_WORK(&dsp->boot_work, wm_adsp_boot_work); 1062 1063 dsp->sys_config_size = sizeof(struct wm_halo_system_config_xm_hdr); 1064 dsp->cs_dsp.client_ops = &wm_adsp2_client_ops; 1065 1066 ret = cs_dsp_halo_init(&dsp->cs_dsp); 1067 if (ret) 1068 return ret; 1069 1070 return wm_adsp_common_init(dsp); 1071 } 1072 EXPORT_SYMBOL_GPL(wm_halo_init); 1073 1074 void wm_adsp2_remove(struct wm_adsp *dsp) 1075 { 1076 cs_dsp_remove(&dsp->cs_dsp); 1077 } 1078 EXPORT_SYMBOL_GPL(wm_adsp2_remove); 1079 1080 static inline int wm_adsp_compr_attached(struct wm_adsp_compr *compr) 1081 { 1082 return compr->buf != NULL; 1083 } 1084 1085 static int wm_adsp_compr_attach(struct wm_adsp_compr *compr) 1086 { 1087 struct wm_adsp_compr_buf *buf = NULL, *tmp; 1088 1089 if (compr->dsp->fatal_error) 1090 return -EINVAL; 1091 1092 list_for_each_entry(tmp, &compr->dsp->buffer_list, list) { 1093 if (!tmp->name || !strcmp(compr->name, tmp->name)) { 1094 buf = tmp; 1095 break; 1096 } 1097 } 1098 1099 if (!buf) 1100 return -EINVAL; 1101 1102 compr->buf = buf; 1103 buf->compr = compr; 1104 1105 return 0; 1106 } 1107 1108 static void wm_adsp_compr_detach(struct wm_adsp_compr *compr) 1109 { 1110 if (!compr) 1111 return; 1112 1113 /* Wake the poll so it can see buffer is no longer attached */ 1114 if (compr->stream) 1115 snd_compr_fragment_elapsed(compr->stream); 1116 1117 if (wm_adsp_compr_attached(compr)) { 1118 compr->buf->compr = NULL; 1119 compr->buf = NULL; 1120 } 1121 } 1122 1123 int wm_adsp_compr_open(struct wm_adsp *dsp, struct snd_compr_stream *stream) 1124 { 1125 struct wm_adsp_compr *compr, *tmp; 1126 struct snd_soc_pcm_runtime *rtd = stream->private_data; 1127 int ret = 0; 1128 1129 mutex_lock(&dsp->cs_dsp.pwr_lock); 1130 1131 if (wm_adsp_fw[dsp->fw].num_caps == 0) { 1132 adsp_err(dsp, "%s: Firmware does not support compressed API\n", 1133 asoc_rtd_to_codec(rtd, 0)->name); 1134 ret = -ENXIO; 1135 goto out; 1136 } 1137 1138 if (wm_adsp_fw[dsp->fw].compr_direction != stream->direction) { 1139 adsp_err(dsp, "%s: Firmware does not support stream direction\n", 1140 asoc_rtd_to_codec(rtd, 0)->name); 1141 ret = -EINVAL; 1142 goto out; 1143 } 1144 1145 list_for_each_entry(tmp, &dsp->compr_list, list) { 1146 if (!strcmp(tmp->name, asoc_rtd_to_codec(rtd, 0)->name)) { 1147 adsp_err(dsp, "%s: Only a single stream supported per dai\n", 1148 asoc_rtd_to_codec(rtd, 0)->name); 1149 ret = -EBUSY; 1150 goto out; 1151 } 1152 } 1153 1154 compr = kzalloc(sizeof(*compr), GFP_KERNEL); 1155 if (!compr) { 1156 ret = -ENOMEM; 1157 goto out; 1158 } 1159 1160 compr->dsp = dsp; 1161 compr->stream = stream; 1162 compr->name = asoc_rtd_to_codec(rtd, 0)->name; 1163 1164 list_add_tail(&compr->list, &dsp->compr_list); 1165 1166 stream->runtime->private_data = compr; 1167 1168 out: 1169 mutex_unlock(&dsp->cs_dsp.pwr_lock); 1170 1171 return ret; 1172 } 1173 EXPORT_SYMBOL_GPL(wm_adsp_compr_open); 1174 1175 int wm_adsp_compr_free(struct snd_soc_component *component, 1176 struct snd_compr_stream *stream) 1177 { 1178 struct wm_adsp_compr *compr = stream->runtime->private_data; 1179 struct wm_adsp *dsp = compr->dsp; 1180 1181 mutex_lock(&dsp->cs_dsp.pwr_lock); 1182 1183 wm_adsp_compr_detach(compr); 1184 list_del(&compr->list); 1185 1186 kfree(compr->raw_buf); 1187 kfree(compr); 1188 1189 mutex_unlock(&dsp->cs_dsp.pwr_lock); 1190 1191 return 0; 1192 } 1193 EXPORT_SYMBOL_GPL(wm_adsp_compr_free); 1194 1195 static int wm_adsp_compr_check_params(struct snd_compr_stream *stream, 1196 struct snd_compr_params *params) 1197 { 1198 struct wm_adsp_compr *compr = stream->runtime->private_data; 1199 struct wm_adsp *dsp = compr->dsp; 1200 const struct wm_adsp_fw_caps *caps; 1201 const struct snd_codec_desc *desc; 1202 int i, j; 1203 1204 if (params->buffer.fragment_size < WM_ADSP_MIN_FRAGMENT_SIZE || 1205 params->buffer.fragment_size > WM_ADSP_MAX_FRAGMENT_SIZE || 1206 params->buffer.fragments < WM_ADSP_MIN_FRAGMENTS || 1207 params->buffer.fragments > WM_ADSP_MAX_FRAGMENTS || 1208 params->buffer.fragment_size % CS_DSP_DATA_WORD_SIZE) { 1209 compr_err(compr, "Invalid buffer fragsize=%d fragments=%d\n", 1210 params->buffer.fragment_size, 1211 params->buffer.fragments); 1212 1213 return -EINVAL; 1214 } 1215 1216 for (i = 0; i < wm_adsp_fw[dsp->fw].num_caps; i++) { 1217 caps = &wm_adsp_fw[dsp->fw].caps[i]; 1218 desc = &caps->desc; 1219 1220 if (caps->id != params->codec.id) 1221 continue; 1222 1223 if (stream->direction == SND_COMPRESS_PLAYBACK) { 1224 if (desc->max_ch < params->codec.ch_out) 1225 continue; 1226 } else { 1227 if (desc->max_ch < params->codec.ch_in) 1228 continue; 1229 } 1230 1231 if (!(desc->formats & (1 << params->codec.format))) 1232 continue; 1233 1234 for (j = 0; j < desc->num_sample_rates; ++j) 1235 if (desc->sample_rates[j] == params->codec.sample_rate) 1236 return 0; 1237 } 1238 1239 compr_err(compr, "Invalid params id=%u ch=%u,%u rate=%u fmt=%u\n", 1240 params->codec.id, params->codec.ch_in, params->codec.ch_out, 1241 params->codec.sample_rate, params->codec.format); 1242 return -EINVAL; 1243 } 1244 1245 static inline unsigned int wm_adsp_compr_frag_words(struct wm_adsp_compr *compr) 1246 { 1247 return compr->size.fragment_size / CS_DSP_DATA_WORD_SIZE; 1248 } 1249 1250 int wm_adsp_compr_set_params(struct snd_soc_component *component, 1251 struct snd_compr_stream *stream, 1252 struct snd_compr_params *params) 1253 { 1254 struct wm_adsp_compr *compr = stream->runtime->private_data; 1255 unsigned int size; 1256 int ret; 1257 1258 ret = wm_adsp_compr_check_params(stream, params); 1259 if (ret) 1260 return ret; 1261 1262 compr->size = params->buffer; 1263 1264 compr_dbg(compr, "fragment_size=%d fragments=%d\n", 1265 compr->size.fragment_size, compr->size.fragments); 1266 1267 size = wm_adsp_compr_frag_words(compr) * sizeof(*compr->raw_buf); 1268 compr->raw_buf = kmalloc(size, GFP_DMA | GFP_KERNEL); 1269 if (!compr->raw_buf) 1270 return -ENOMEM; 1271 1272 compr->sample_rate = params->codec.sample_rate; 1273 1274 return 0; 1275 } 1276 EXPORT_SYMBOL_GPL(wm_adsp_compr_set_params); 1277 1278 int wm_adsp_compr_get_caps(struct snd_soc_component *component, 1279 struct snd_compr_stream *stream, 1280 struct snd_compr_caps *caps) 1281 { 1282 struct wm_adsp_compr *compr = stream->runtime->private_data; 1283 int fw = compr->dsp->fw; 1284 int i; 1285 1286 if (wm_adsp_fw[fw].caps) { 1287 for (i = 0; i < wm_adsp_fw[fw].num_caps; i++) 1288 caps->codecs[i] = wm_adsp_fw[fw].caps[i].id; 1289 1290 caps->num_codecs = i; 1291 caps->direction = wm_adsp_fw[fw].compr_direction; 1292 1293 caps->min_fragment_size = WM_ADSP_MIN_FRAGMENT_SIZE; 1294 caps->max_fragment_size = WM_ADSP_MAX_FRAGMENT_SIZE; 1295 caps->min_fragments = WM_ADSP_MIN_FRAGMENTS; 1296 caps->max_fragments = WM_ADSP_MAX_FRAGMENTS; 1297 } 1298 1299 return 0; 1300 } 1301 EXPORT_SYMBOL_GPL(wm_adsp_compr_get_caps); 1302 1303 static inline int wm_adsp_buffer_read(struct wm_adsp_compr_buf *buf, 1304 unsigned int field_offset, u32 *data) 1305 { 1306 return cs_dsp_read_data_word(&buf->dsp->cs_dsp, buf->host_buf_mem_type, 1307 buf->host_buf_ptr + field_offset, data); 1308 } 1309 1310 static inline int wm_adsp_buffer_write(struct wm_adsp_compr_buf *buf, 1311 unsigned int field_offset, u32 data) 1312 { 1313 return cs_dsp_write_data_word(&buf->dsp->cs_dsp, buf->host_buf_mem_type, 1314 buf->host_buf_ptr + field_offset, 1315 data); 1316 } 1317 1318 static int wm_adsp_buffer_populate(struct wm_adsp_compr_buf *buf) 1319 { 1320 const struct wm_adsp_fw_caps *caps = wm_adsp_fw[buf->dsp->fw].caps; 1321 struct wm_adsp_buffer_region *region; 1322 u32 offset = 0; 1323 int i, ret; 1324 1325 buf->regions = kcalloc(caps->num_regions, sizeof(*buf->regions), 1326 GFP_KERNEL); 1327 if (!buf->regions) 1328 return -ENOMEM; 1329 1330 for (i = 0; i < caps->num_regions; ++i) { 1331 region = &buf->regions[i]; 1332 1333 region->offset = offset; 1334 region->mem_type = caps->region_defs[i].mem_type; 1335 1336 ret = wm_adsp_buffer_read(buf, caps->region_defs[i].base_offset, 1337 ®ion->base_addr); 1338 if (ret < 0) 1339 return ret; 1340 1341 ret = wm_adsp_buffer_read(buf, caps->region_defs[i].size_offset, 1342 &offset); 1343 if (ret < 0) 1344 return ret; 1345 1346 region->cumulative_size = offset; 1347 1348 compr_dbg(buf, 1349 "region=%d type=%d base=%08x off=%08x size=%08x\n", 1350 i, region->mem_type, region->base_addr, 1351 region->offset, region->cumulative_size); 1352 } 1353 1354 return 0; 1355 } 1356 1357 static void wm_adsp_buffer_clear(struct wm_adsp_compr_buf *buf) 1358 { 1359 buf->irq_count = 0xFFFFFFFF; 1360 buf->read_index = -1; 1361 buf->avail = 0; 1362 } 1363 1364 static struct wm_adsp_compr_buf *wm_adsp_buffer_alloc(struct wm_adsp *dsp) 1365 { 1366 struct wm_adsp_compr_buf *buf; 1367 1368 buf = kzalloc(sizeof(*buf), GFP_KERNEL); 1369 if (!buf) 1370 return NULL; 1371 1372 buf->dsp = dsp; 1373 1374 wm_adsp_buffer_clear(buf); 1375 1376 list_add_tail(&buf->list, &dsp->buffer_list); 1377 1378 return buf; 1379 } 1380 1381 static int wm_adsp_buffer_parse_legacy(struct wm_adsp *dsp) 1382 { 1383 struct cs_dsp_alg_region *alg_region; 1384 struct wm_adsp_compr_buf *buf; 1385 u32 xmalg, addr, magic; 1386 int i, ret; 1387 1388 alg_region = cs_dsp_find_alg_region(&dsp->cs_dsp, WMFW_ADSP2_XM, dsp->cs_dsp.fw_id); 1389 if (!alg_region) { 1390 adsp_err(dsp, "No algorithm region found\n"); 1391 return -EINVAL; 1392 } 1393 1394 buf = wm_adsp_buffer_alloc(dsp); 1395 if (!buf) 1396 return -ENOMEM; 1397 1398 xmalg = dsp->sys_config_size / sizeof(__be32); 1399 1400 addr = alg_region->base + xmalg + ALG_XM_FIELD(magic); 1401 ret = cs_dsp_read_data_word(&dsp->cs_dsp, WMFW_ADSP2_XM, addr, &magic); 1402 if (ret < 0) 1403 return ret; 1404 1405 if (magic != WM_ADSP_ALG_XM_STRUCT_MAGIC) 1406 return -ENODEV; 1407 1408 addr = alg_region->base + xmalg + ALG_XM_FIELD(host_buf_ptr); 1409 for (i = 0; i < 5; ++i) { 1410 ret = cs_dsp_read_data_word(&dsp->cs_dsp, WMFW_ADSP2_XM, addr, 1411 &buf->host_buf_ptr); 1412 if (ret < 0) 1413 return ret; 1414 1415 if (buf->host_buf_ptr) 1416 break; 1417 1418 usleep_range(1000, 2000); 1419 } 1420 1421 if (!buf->host_buf_ptr) 1422 return -EIO; 1423 1424 buf->host_buf_mem_type = WMFW_ADSP2_XM; 1425 1426 ret = wm_adsp_buffer_populate(buf); 1427 if (ret < 0) 1428 return ret; 1429 1430 compr_dbg(buf, "legacy host_buf_ptr=%x\n", buf->host_buf_ptr); 1431 1432 return 0; 1433 } 1434 1435 static int wm_adsp_buffer_parse_coeff(struct cs_dsp_coeff_ctl *cs_ctl) 1436 { 1437 struct wm_adsp_host_buf_coeff_v1 coeff_v1; 1438 struct wm_adsp_compr_buf *buf; 1439 struct wm_adsp *dsp = container_of(cs_ctl->dsp, struct wm_adsp, cs_dsp); 1440 unsigned int version; 1441 int ret, i; 1442 1443 for (i = 0; i < 5; ++i) { 1444 ret = cs_dsp_coeff_read_ctrl(cs_ctl, 0, &coeff_v1, sizeof(coeff_v1)); 1445 if (ret < 0) 1446 return ret; 1447 1448 if (coeff_v1.host_buf_ptr) 1449 break; 1450 1451 usleep_range(1000, 2000); 1452 } 1453 1454 if (!coeff_v1.host_buf_ptr) { 1455 adsp_err(dsp, "Failed to acquire host buffer\n"); 1456 return -EIO; 1457 } 1458 1459 buf = wm_adsp_buffer_alloc(dsp); 1460 if (!buf) 1461 return -ENOMEM; 1462 1463 buf->host_buf_mem_type = cs_ctl->alg_region.type; 1464 buf->host_buf_ptr = be32_to_cpu(coeff_v1.host_buf_ptr); 1465 1466 ret = wm_adsp_buffer_populate(buf); 1467 if (ret < 0) 1468 return ret; 1469 1470 /* 1471 * v0 host_buffer coefficients didn't have versioning, so if the 1472 * control is one word, assume version 0. 1473 */ 1474 if (cs_ctl->len == 4) { 1475 compr_dbg(buf, "host_buf_ptr=%x\n", buf->host_buf_ptr); 1476 return 0; 1477 } 1478 1479 version = be32_to_cpu(coeff_v1.versions) & HOST_BUF_COEFF_COMPAT_VER_MASK; 1480 version >>= HOST_BUF_COEFF_COMPAT_VER_SHIFT; 1481 1482 if (version > HOST_BUF_COEFF_SUPPORTED_COMPAT_VER) { 1483 adsp_err(dsp, 1484 "Host buffer coeff ver %u > supported version %u\n", 1485 version, HOST_BUF_COEFF_SUPPORTED_COMPAT_VER); 1486 return -EINVAL; 1487 } 1488 1489 cs_dsp_remove_padding((u32 *)&coeff_v1.name, ARRAY_SIZE(coeff_v1.name)); 1490 1491 buf->name = kasprintf(GFP_KERNEL, "%s-dsp-%s", dsp->part, 1492 (char *)&coeff_v1.name); 1493 1494 compr_dbg(buf, "host_buf_ptr=%x coeff version %u\n", 1495 buf->host_buf_ptr, version); 1496 1497 return version; 1498 } 1499 1500 static int wm_adsp_buffer_init(struct wm_adsp *dsp) 1501 { 1502 struct cs_dsp_coeff_ctl *cs_ctl; 1503 int ret; 1504 1505 list_for_each_entry(cs_ctl, &dsp->cs_dsp.ctl_list, list) { 1506 if (cs_ctl->type != WMFW_CTL_TYPE_HOST_BUFFER) 1507 continue; 1508 1509 if (!cs_ctl->enabled) 1510 continue; 1511 1512 ret = wm_adsp_buffer_parse_coeff(cs_ctl); 1513 if (ret < 0) { 1514 adsp_err(dsp, "Failed to parse coeff: %d\n", ret); 1515 goto error; 1516 } else if (ret == 0) { 1517 /* Only one buffer supported for version 0 */ 1518 return 0; 1519 } 1520 } 1521 1522 if (list_empty(&dsp->buffer_list)) { 1523 /* Fall back to legacy support */ 1524 ret = wm_adsp_buffer_parse_legacy(dsp); 1525 if (ret) { 1526 adsp_err(dsp, "Failed to parse legacy: %d\n", ret); 1527 goto error; 1528 } 1529 } 1530 1531 return 0; 1532 1533 error: 1534 wm_adsp_buffer_free(dsp); 1535 return ret; 1536 } 1537 1538 static int wm_adsp_buffer_free(struct wm_adsp *dsp) 1539 { 1540 struct wm_adsp_compr_buf *buf, *tmp; 1541 1542 list_for_each_entry_safe(buf, tmp, &dsp->buffer_list, list) { 1543 wm_adsp_compr_detach(buf->compr); 1544 1545 kfree(buf->name); 1546 kfree(buf->regions); 1547 list_del(&buf->list); 1548 kfree(buf); 1549 } 1550 1551 return 0; 1552 } 1553 1554 static int wm_adsp_buffer_get_error(struct wm_adsp_compr_buf *buf) 1555 { 1556 int ret; 1557 1558 ret = wm_adsp_buffer_read(buf, HOST_BUFFER_FIELD(error), &buf->error); 1559 if (ret < 0) { 1560 compr_err(buf, "Failed to check buffer error: %d\n", ret); 1561 return ret; 1562 } 1563 if (buf->error != 0) { 1564 compr_err(buf, "Buffer error occurred: %d\n", buf->error); 1565 return -EIO; 1566 } 1567 1568 return 0; 1569 } 1570 1571 int wm_adsp_compr_trigger(struct snd_soc_component *component, 1572 struct snd_compr_stream *stream, int cmd) 1573 { 1574 struct wm_adsp_compr *compr = stream->runtime->private_data; 1575 struct wm_adsp *dsp = compr->dsp; 1576 int ret = 0; 1577 1578 compr_dbg(compr, "Trigger: %d\n", cmd); 1579 1580 mutex_lock(&dsp->cs_dsp.pwr_lock); 1581 1582 switch (cmd) { 1583 case SNDRV_PCM_TRIGGER_START: 1584 if (!wm_adsp_compr_attached(compr)) { 1585 ret = wm_adsp_compr_attach(compr); 1586 if (ret < 0) { 1587 compr_err(compr, "Failed to link buffer and stream: %d\n", 1588 ret); 1589 break; 1590 } 1591 } 1592 1593 ret = wm_adsp_buffer_get_error(compr->buf); 1594 if (ret < 0) 1595 break; 1596 1597 /* Trigger the IRQ at one fragment of data */ 1598 ret = wm_adsp_buffer_write(compr->buf, 1599 HOST_BUFFER_FIELD(high_water_mark), 1600 wm_adsp_compr_frag_words(compr)); 1601 if (ret < 0) { 1602 compr_err(compr, "Failed to set high water mark: %d\n", 1603 ret); 1604 break; 1605 } 1606 break; 1607 case SNDRV_PCM_TRIGGER_STOP: 1608 if (wm_adsp_compr_attached(compr)) 1609 wm_adsp_buffer_clear(compr->buf); 1610 break; 1611 default: 1612 ret = -EINVAL; 1613 break; 1614 } 1615 1616 mutex_unlock(&dsp->cs_dsp.pwr_lock); 1617 1618 return ret; 1619 } 1620 EXPORT_SYMBOL_GPL(wm_adsp_compr_trigger); 1621 1622 static inline int wm_adsp_buffer_size(struct wm_adsp_compr_buf *buf) 1623 { 1624 int last_region = wm_adsp_fw[buf->dsp->fw].caps->num_regions - 1; 1625 1626 return buf->regions[last_region].cumulative_size; 1627 } 1628 1629 static int wm_adsp_buffer_update_avail(struct wm_adsp_compr_buf *buf) 1630 { 1631 u32 next_read_index, next_write_index; 1632 int write_index, read_index, avail; 1633 int ret; 1634 1635 /* Only sync read index if we haven't already read a valid index */ 1636 if (buf->read_index < 0) { 1637 ret = wm_adsp_buffer_read(buf, 1638 HOST_BUFFER_FIELD(next_read_index), 1639 &next_read_index); 1640 if (ret < 0) 1641 return ret; 1642 1643 read_index = sign_extend32(next_read_index, 23); 1644 1645 if (read_index < 0) { 1646 compr_dbg(buf, "Avail check on unstarted stream\n"); 1647 return 0; 1648 } 1649 1650 buf->read_index = read_index; 1651 } 1652 1653 ret = wm_adsp_buffer_read(buf, HOST_BUFFER_FIELD(next_write_index), 1654 &next_write_index); 1655 if (ret < 0) 1656 return ret; 1657 1658 write_index = sign_extend32(next_write_index, 23); 1659 1660 avail = write_index - buf->read_index; 1661 if (avail < 0) 1662 avail += wm_adsp_buffer_size(buf); 1663 1664 compr_dbg(buf, "readindex=0x%x, writeindex=0x%x, avail=%d\n", 1665 buf->read_index, write_index, avail * CS_DSP_DATA_WORD_SIZE); 1666 1667 buf->avail = avail; 1668 1669 return 0; 1670 } 1671 1672 int wm_adsp_compr_handle_irq(struct wm_adsp *dsp) 1673 { 1674 struct wm_adsp_compr_buf *buf; 1675 struct wm_adsp_compr *compr; 1676 int ret = 0; 1677 1678 mutex_lock(&dsp->cs_dsp.pwr_lock); 1679 1680 if (list_empty(&dsp->buffer_list)) { 1681 ret = -ENODEV; 1682 goto out; 1683 } 1684 1685 adsp_dbg(dsp, "Handling buffer IRQ\n"); 1686 1687 list_for_each_entry(buf, &dsp->buffer_list, list) { 1688 compr = buf->compr; 1689 1690 ret = wm_adsp_buffer_get_error(buf); 1691 if (ret < 0) 1692 goto out_notify; /* Wake poll to report error */ 1693 1694 ret = wm_adsp_buffer_read(buf, HOST_BUFFER_FIELD(irq_count), 1695 &buf->irq_count); 1696 if (ret < 0) { 1697 compr_err(buf, "Failed to get irq_count: %d\n", ret); 1698 goto out; 1699 } 1700 1701 ret = wm_adsp_buffer_update_avail(buf); 1702 if (ret < 0) { 1703 compr_err(buf, "Error reading avail: %d\n", ret); 1704 goto out; 1705 } 1706 1707 if (wm_adsp_fw[dsp->fw].voice_trigger && buf->irq_count == 2) 1708 ret = WM_ADSP_COMPR_VOICE_TRIGGER; 1709 1710 out_notify: 1711 if (compr && compr->stream) 1712 snd_compr_fragment_elapsed(compr->stream); 1713 } 1714 1715 out: 1716 mutex_unlock(&dsp->cs_dsp.pwr_lock); 1717 1718 return ret; 1719 } 1720 EXPORT_SYMBOL_GPL(wm_adsp_compr_handle_irq); 1721 1722 static int wm_adsp_buffer_reenable_irq(struct wm_adsp_compr_buf *buf) 1723 { 1724 if (buf->irq_count & 0x01) 1725 return 0; 1726 1727 compr_dbg(buf, "Enable IRQ(0x%x) for next fragment\n", buf->irq_count); 1728 1729 buf->irq_count |= 0x01; 1730 1731 return wm_adsp_buffer_write(buf, HOST_BUFFER_FIELD(irq_ack), 1732 buf->irq_count); 1733 } 1734 1735 int wm_adsp_compr_pointer(struct snd_soc_component *component, 1736 struct snd_compr_stream *stream, 1737 struct snd_compr_tstamp *tstamp) 1738 { 1739 struct wm_adsp_compr *compr = stream->runtime->private_data; 1740 struct wm_adsp *dsp = compr->dsp; 1741 struct wm_adsp_compr_buf *buf; 1742 int ret = 0; 1743 1744 compr_dbg(compr, "Pointer request\n"); 1745 1746 mutex_lock(&dsp->cs_dsp.pwr_lock); 1747 1748 buf = compr->buf; 1749 1750 if (dsp->fatal_error || !buf || buf->error) { 1751 snd_compr_stop_error(stream, SNDRV_PCM_STATE_XRUN); 1752 ret = -EIO; 1753 goto out; 1754 } 1755 1756 if (buf->avail < wm_adsp_compr_frag_words(compr)) { 1757 ret = wm_adsp_buffer_update_avail(buf); 1758 if (ret < 0) { 1759 compr_err(compr, "Error reading avail: %d\n", ret); 1760 goto out; 1761 } 1762 1763 /* 1764 * If we really have less than 1 fragment available tell the 1765 * DSP to inform us once a whole fragment is available. 1766 */ 1767 if (buf->avail < wm_adsp_compr_frag_words(compr)) { 1768 ret = wm_adsp_buffer_get_error(buf); 1769 if (ret < 0) { 1770 if (buf->error) 1771 snd_compr_stop_error(stream, 1772 SNDRV_PCM_STATE_XRUN); 1773 goto out; 1774 } 1775 1776 ret = wm_adsp_buffer_reenable_irq(buf); 1777 if (ret < 0) { 1778 compr_err(compr, "Failed to re-enable buffer IRQ: %d\n", 1779 ret); 1780 goto out; 1781 } 1782 } 1783 } 1784 1785 tstamp->copied_total = compr->copied_total; 1786 tstamp->copied_total += buf->avail * CS_DSP_DATA_WORD_SIZE; 1787 tstamp->sampling_rate = compr->sample_rate; 1788 1789 out: 1790 mutex_unlock(&dsp->cs_dsp.pwr_lock); 1791 1792 return ret; 1793 } 1794 EXPORT_SYMBOL_GPL(wm_adsp_compr_pointer); 1795 1796 static int wm_adsp_buffer_capture_block(struct wm_adsp_compr *compr, int target) 1797 { 1798 struct wm_adsp_compr_buf *buf = compr->buf; 1799 unsigned int adsp_addr; 1800 int mem_type, nwords, max_read; 1801 int i, ret; 1802 1803 /* Calculate read parameters */ 1804 for (i = 0; i < wm_adsp_fw[buf->dsp->fw].caps->num_regions; ++i) 1805 if (buf->read_index < buf->regions[i].cumulative_size) 1806 break; 1807 1808 if (i == wm_adsp_fw[buf->dsp->fw].caps->num_regions) 1809 return -EINVAL; 1810 1811 mem_type = buf->regions[i].mem_type; 1812 adsp_addr = buf->regions[i].base_addr + 1813 (buf->read_index - buf->regions[i].offset); 1814 1815 max_read = wm_adsp_compr_frag_words(compr); 1816 nwords = buf->regions[i].cumulative_size - buf->read_index; 1817 1818 if (nwords > target) 1819 nwords = target; 1820 if (nwords > buf->avail) 1821 nwords = buf->avail; 1822 if (nwords > max_read) 1823 nwords = max_read; 1824 if (!nwords) 1825 return 0; 1826 1827 /* Read data from DSP */ 1828 ret = cs_dsp_read_raw_data_block(&buf->dsp->cs_dsp, mem_type, adsp_addr, 1829 nwords, (__be32 *)compr->raw_buf); 1830 if (ret < 0) 1831 return ret; 1832 1833 cs_dsp_remove_padding(compr->raw_buf, nwords); 1834 1835 /* update read index to account for words read */ 1836 buf->read_index += nwords; 1837 if (buf->read_index == wm_adsp_buffer_size(buf)) 1838 buf->read_index = 0; 1839 1840 ret = wm_adsp_buffer_write(buf, HOST_BUFFER_FIELD(next_read_index), 1841 buf->read_index); 1842 if (ret < 0) 1843 return ret; 1844 1845 /* update avail to account for words read */ 1846 buf->avail -= nwords; 1847 1848 return nwords; 1849 } 1850 1851 static int wm_adsp_compr_read(struct wm_adsp_compr *compr, 1852 char __user *buf, size_t count) 1853 { 1854 struct wm_adsp *dsp = compr->dsp; 1855 int ntotal = 0; 1856 int nwords, nbytes; 1857 1858 compr_dbg(compr, "Requested read of %zu bytes\n", count); 1859 1860 if (dsp->fatal_error || !compr->buf || compr->buf->error) { 1861 snd_compr_stop_error(compr->stream, SNDRV_PCM_STATE_XRUN); 1862 return -EIO; 1863 } 1864 1865 count /= CS_DSP_DATA_WORD_SIZE; 1866 1867 do { 1868 nwords = wm_adsp_buffer_capture_block(compr, count); 1869 if (nwords < 0) { 1870 compr_err(compr, "Failed to capture block: %d\n", 1871 nwords); 1872 return nwords; 1873 } 1874 1875 nbytes = nwords * CS_DSP_DATA_WORD_SIZE; 1876 1877 compr_dbg(compr, "Read %d bytes\n", nbytes); 1878 1879 if (copy_to_user(buf + ntotal, compr->raw_buf, nbytes)) { 1880 compr_err(compr, "Failed to copy data to user: %d, %d\n", 1881 ntotal, nbytes); 1882 return -EFAULT; 1883 } 1884 1885 count -= nwords; 1886 ntotal += nbytes; 1887 } while (nwords > 0 && count > 0); 1888 1889 compr->copied_total += ntotal; 1890 1891 return ntotal; 1892 } 1893 1894 int wm_adsp_compr_copy(struct snd_soc_component *component, 1895 struct snd_compr_stream *stream, char __user *buf, 1896 size_t count) 1897 { 1898 struct wm_adsp_compr *compr = stream->runtime->private_data; 1899 struct wm_adsp *dsp = compr->dsp; 1900 int ret; 1901 1902 mutex_lock(&dsp->cs_dsp.pwr_lock); 1903 1904 if (stream->direction == SND_COMPRESS_CAPTURE) 1905 ret = wm_adsp_compr_read(compr, buf, count); 1906 else 1907 ret = -ENOTSUPP; 1908 1909 mutex_unlock(&dsp->cs_dsp.pwr_lock); 1910 1911 return ret; 1912 } 1913 EXPORT_SYMBOL_GPL(wm_adsp_compr_copy); 1914 1915 static void wm_adsp_fatal_error(struct cs_dsp *cs_dsp) 1916 { 1917 struct wm_adsp *dsp = container_of(cs_dsp, struct wm_adsp, cs_dsp); 1918 struct wm_adsp_compr *compr; 1919 1920 dsp->fatal_error = true; 1921 1922 list_for_each_entry(compr, &dsp->compr_list, list) { 1923 if (compr->stream) 1924 snd_compr_fragment_elapsed(compr->stream); 1925 } 1926 } 1927 1928 irqreturn_t wm_adsp2_bus_error(int irq, void *data) 1929 { 1930 struct wm_adsp *dsp = (struct wm_adsp *)data; 1931 1932 cs_dsp_adsp2_bus_error(&dsp->cs_dsp); 1933 1934 return IRQ_HANDLED; 1935 } 1936 EXPORT_SYMBOL_GPL(wm_adsp2_bus_error); 1937 1938 irqreturn_t wm_halo_bus_error(int irq, void *data) 1939 { 1940 struct wm_adsp *dsp = (struct wm_adsp *)data; 1941 1942 cs_dsp_halo_bus_error(&dsp->cs_dsp); 1943 1944 return IRQ_HANDLED; 1945 } 1946 EXPORT_SYMBOL_GPL(wm_halo_bus_error); 1947 1948 irqreturn_t wm_halo_wdt_expire(int irq, void *data) 1949 { 1950 struct wm_adsp *dsp = data; 1951 1952 cs_dsp_halo_wdt_expire(&dsp->cs_dsp); 1953 1954 return IRQ_HANDLED; 1955 } 1956 EXPORT_SYMBOL_GPL(wm_halo_wdt_expire); 1957 1958 static const struct cs_dsp_client_ops wm_adsp1_client_ops = { 1959 .control_add = wm_adsp_control_add, 1960 .control_remove = wm_adsp_control_remove, 1961 }; 1962 1963 static const struct cs_dsp_client_ops wm_adsp2_client_ops = { 1964 .control_add = wm_adsp_control_add, 1965 .control_remove = wm_adsp_control_remove, 1966 .post_run = wm_adsp_event_post_run, 1967 .post_stop = wm_adsp_event_post_stop, 1968 .watchdog_expired = wm_adsp_fatal_error, 1969 }; 1970 1971 MODULE_LICENSE("GPL v2"); 1972