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/vmalloc.h> 23 #include <linux/workqueue.h> 24 #include <linux/debugfs.h> 25 #include <sound/core.h> 26 #include <sound/pcm.h> 27 #include <sound/pcm_params.h> 28 #include <sound/soc.h> 29 #include <sound/jack.h> 30 #include <sound/initval.h> 31 #include <sound/tlv.h> 32 33 #include "wm_adsp.h" 34 35 #define adsp_crit(_dsp, fmt, ...) \ 36 dev_crit(_dsp->cs_dsp.dev, "%s: " fmt, _dsp->cs_dsp.name, ##__VA_ARGS__) 37 #define adsp_err(_dsp, fmt, ...) \ 38 dev_err(_dsp->cs_dsp.dev, "%s: " fmt, _dsp->cs_dsp.name, ##__VA_ARGS__) 39 #define adsp_warn(_dsp, fmt, ...) \ 40 dev_warn(_dsp->cs_dsp.dev, "%s: " fmt, _dsp->cs_dsp.name, ##__VA_ARGS__) 41 #define adsp_info(_dsp, fmt, ...) \ 42 dev_info(_dsp->cs_dsp.dev, "%s: " fmt, _dsp->cs_dsp.name, ##__VA_ARGS__) 43 #define adsp_dbg(_dsp, fmt, ...) \ 44 dev_dbg(_dsp->cs_dsp.dev, "%s: " fmt, _dsp->cs_dsp.name, ##__VA_ARGS__) 45 46 #define compr_err(_obj, fmt, ...) \ 47 adsp_err(_obj->dsp, "%s: " fmt, _obj->name ? _obj->name : "legacy", \ 48 ##__VA_ARGS__) 49 #define compr_dbg(_obj, fmt, ...) \ 50 adsp_dbg(_obj->dsp, "%s: " fmt, _obj->name ? _obj->name : "legacy", \ 51 ##__VA_ARGS__) 52 53 #define ADSP_MAX_STD_CTRL_SIZE 512 54 55 static const struct cs_dsp_client_ops wm_adsp1_client_ops; 56 static const struct cs_dsp_client_ops wm_adsp2_client_ops; 57 58 #define WM_ADSP_FW_MBC_VSS 0 59 #define WM_ADSP_FW_HIFI 1 60 #define WM_ADSP_FW_TX 2 61 #define WM_ADSP_FW_TX_SPK 3 62 #define WM_ADSP_FW_RX 4 63 #define WM_ADSP_FW_RX_ANC 5 64 #define WM_ADSP_FW_CTRL 6 65 #define WM_ADSP_FW_ASR 7 66 #define WM_ADSP_FW_TRACE 8 67 #define WM_ADSP_FW_SPK_PROT 9 68 #define WM_ADSP_FW_SPK_CALI 10 69 #define WM_ADSP_FW_SPK_DIAG 11 70 #define WM_ADSP_FW_MISC 12 71 72 #define WM_ADSP_NUM_FW 13 73 74 static const char *wm_adsp_fw_text[WM_ADSP_NUM_FW] = { 75 [WM_ADSP_FW_MBC_VSS] = "MBC/VSS", 76 [WM_ADSP_FW_HIFI] = "MasterHiFi", 77 [WM_ADSP_FW_TX] = "Tx", 78 [WM_ADSP_FW_TX_SPK] = "Tx Speaker", 79 [WM_ADSP_FW_RX] = "Rx", 80 [WM_ADSP_FW_RX_ANC] = "Rx ANC", 81 [WM_ADSP_FW_CTRL] = "Voice Ctrl", 82 [WM_ADSP_FW_ASR] = "ASR Assist", 83 [WM_ADSP_FW_TRACE] = "Dbg Trace", 84 [WM_ADSP_FW_SPK_PROT] = "Protection", 85 [WM_ADSP_FW_SPK_CALI] = "Calibration", 86 [WM_ADSP_FW_SPK_DIAG] = "Diagnostic", 87 [WM_ADSP_FW_MISC] = "Misc", 88 }; 89 90 struct wm_adsp_system_config_xm_hdr { 91 __be32 sys_enable; 92 __be32 fw_id; 93 __be32 fw_rev; 94 __be32 boot_status; 95 __be32 watchdog; 96 __be32 dma_buffer_size; 97 __be32 rdma[6]; 98 __be32 wdma[8]; 99 __be32 build_job_name[3]; 100 __be32 build_job_number; 101 } __packed; 102 103 struct wm_halo_system_config_xm_hdr { 104 __be32 halo_heartbeat; 105 __be32 build_job_name[3]; 106 __be32 build_job_number; 107 } __packed; 108 109 struct wm_adsp_alg_xm_struct { 110 __be32 magic; 111 __be32 smoothing; 112 __be32 threshold; 113 __be32 host_buf_ptr; 114 __be32 start_seq; 115 __be32 high_water_mark; 116 __be32 low_water_mark; 117 __be64 smoothed_power; 118 } __packed; 119 120 struct wm_adsp_host_buf_coeff_v1 { 121 __be32 host_buf_ptr; /* Host buffer pointer */ 122 __be32 versions; /* Version numbers */ 123 __be32 name[4]; /* The buffer name */ 124 } __packed; 125 126 struct wm_adsp_buffer { 127 __be32 buf1_base; /* Base addr of first buffer area */ 128 __be32 buf1_size; /* Size of buf1 area in DSP words */ 129 __be32 buf2_base; /* Base addr of 2nd buffer area */ 130 __be32 buf1_buf2_size; /* Size of buf1+buf2 in DSP words */ 131 __be32 buf3_base; /* Base addr of buf3 area */ 132 __be32 buf_total_size; /* Size of buf1+buf2+buf3 in DSP words */ 133 __be32 high_water_mark; /* Point at which IRQ is asserted */ 134 __be32 irq_count; /* bits 1-31 count IRQ assertions */ 135 __be32 irq_ack; /* acked IRQ count, bit 0 enables IRQ */ 136 __be32 next_write_index; /* word index of next write */ 137 __be32 next_read_index; /* word index of next read */ 138 __be32 error; /* error if any */ 139 __be32 oldest_block_index; /* word index of oldest surviving */ 140 __be32 requested_rewind; /* how many blocks rewind was done */ 141 __be32 reserved_space; /* internal */ 142 __be32 min_free; /* min free space since stream start */ 143 __be32 blocks_written[2]; /* total blocks written (64 bit) */ 144 __be32 words_written[2]; /* total words written (64 bit) */ 145 } __packed; 146 147 struct wm_adsp_compr; 148 149 struct wm_adsp_compr_buf { 150 struct list_head list; 151 struct wm_adsp *dsp; 152 struct wm_adsp_compr *compr; 153 154 struct wm_adsp_buffer_region *regions; 155 u32 host_buf_ptr; 156 157 u32 error; 158 u32 irq_count; 159 int read_index; 160 int avail; 161 int host_buf_mem_type; 162 163 char *name; 164 }; 165 166 struct wm_adsp_compr { 167 struct list_head list; 168 struct wm_adsp *dsp; 169 struct wm_adsp_compr_buf *buf; 170 171 struct snd_compr_stream *stream; 172 struct snd_compressed_buffer size; 173 174 u32 *raw_buf; 175 unsigned int copied_total; 176 177 unsigned int sample_rate; 178 179 const char *name; 180 }; 181 182 #define WM_ADSP_MIN_FRAGMENTS 1 183 #define WM_ADSP_MAX_FRAGMENTS 256 184 #define WM_ADSP_MIN_FRAGMENT_SIZE (16 * CS_DSP_DATA_WORD_SIZE) 185 #define WM_ADSP_MAX_FRAGMENT_SIZE (4096 * CS_DSP_DATA_WORD_SIZE) 186 187 #define WM_ADSP_ALG_XM_STRUCT_MAGIC 0x49aec7 188 189 #define HOST_BUFFER_FIELD(field) \ 190 (offsetof(struct wm_adsp_buffer, field) / sizeof(__be32)) 191 192 #define ALG_XM_FIELD(field) \ 193 (offsetof(struct wm_adsp_alg_xm_struct, field) / sizeof(__be32)) 194 195 #define HOST_BUF_COEFF_SUPPORTED_COMPAT_VER 1 196 197 #define HOST_BUF_COEFF_COMPAT_VER_MASK 0xFF00 198 #define HOST_BUF_COEFF_COMPAT_VER_SHIFT 8 199 200 static int wm_adsp_buffer_init(struct wm_adsp *dsp); 201 static int wm_adsp_buffer_free(struct wm_adsp *dsp); 202 203 struct wm_adsp_buffer_region { 204 unsigned int offset; 205 unsigned int cumulative_size; 206 unsigned int mem_type; 207 unsigned int base_addr; 208 }; 209 210 struct wm_adsp_buffer_region_def { 211 unsigned int mem_type; 212 unsigned int base_offset; 213 unsigned int size_offset; 214 }; 215 216 static const struct wm_adsp_buffer_region_def default_regions[] = { 217 { 218 .mem_type = WMFW_ADSP2_XM, 219 .base_offset = HOST_BUFFER_FIELD(buf1_base), 220 .size_offset = HOST_BUFFER_FIELD(buf1_size), 221 }, 222 { 223 .mem_type = WMFW_ADSP2_XM, 224 .base_offset = HOST_BUFFER_FIELD(buf2_base), 225 .size_offset = HOST_BUFFER_FIELD(buf1_buf2_size), 226 }, 227 { 228 .mem_type = WMFW_ADSP2_YM, 229 .base_offset = HOST_BUFFER_FIELD(buf3_base), 230 .size_offset = HOST_BUFFER_FIELD(buf_total_size), 231 }, 232 }; 233 234 struct wm_adsp_fw_caps { 235 u32 id; 236 struct snd_codec_desc desc; 237 int num_regions; 238 const struct wm_adsp_buffer_region_def *region_defs; 239 }; 240 241 static const struct wm_adsp_fw_caps ctrl_caps[] = { 242 { 243 .id = SND_AUDIOCODEC_BESPOKE, 244 .desc = { 245 .max_ch = 8, 246 .sample_rates = { 16000 }, 247 .num_sample_rates = 1, 248 .formats = SNDRV_PCM_FMTBIT_S16_LE, 249 }, 250 .num_regions = ARRAY_SIZE(default_regions), 251 .region_defs = default_regions, 252 }, 253 }; 254 255 static const struct wm_adsp_fw_caps trace_caps[] = { 256 { 257 .id = SND_AUDIOCODEC_BESPOKE, 258 .desc = { 259 .max_ch = 8, 260 .sample_rates = { 261 4000, 8000, 11025, 12000, 16000, 22050, 262 24000, 32000, 44100, 48000, 64000, 88200, 263 96000, 176400, 192000 264 }, 265 .num_sample_rates = 15, 266 .formats = SNDRV_PCM_FMTBIT_S16_LE, 267 }, 268 .num_regions = ARRAY_SIZE(default_regions), 269 .region_defs = default_regions, 270 }, 271 }; 272 273 static const struct { 274 const char *file; 275 int compr_direction; 276 int num_caps; 277 const struct wm_adsp_fw_caps *caps; 278 bool voice_trigger; 279 } wm_adsp_fw[WM_ADSP_NUM_FW] = { 280 [WM_ADSP_FW_MBC_VSS] = { .file = "mbc-vss" }, 281 [WM_ADSP_FW_HIFI] = { .file = "hifi" }, 282 [WM_ADSP_FW_TX] = { .file = "tx" }, 283 [WM_ADSP_FW_TX_SPK] = { .file = "tx-spk" }, 284 [WM_ADSP_FW_RX] = { .file = "rx" }, 285 [WM_ADSP_FW_RX_ANC] = { .file = "rx-anc" }, 286 [WM_ADSP_FW_CTRL] = { 287 .file = "ctrl", 288 .compr_direction = SND_COMPRESS_CAPTURE, 289 .num_caps = ARRAY_SIZE(ctrl_caps), 290 .caps = ctrl_caps, 291 .voice_trigger = true, 292 }, 293 [WM_ADSP_FW_ASR] = { .file = "asr" }, 294 [WM_ADSP_FW_TRACE] = { 295 .file = "trace", 296 .compr_direction = SND_COMPRESS_CAPTURE, 297 .num_caps = ARRAY_SIZE(trace_caps), 298 .caps = trace_caps, 299 }, 300 [WM_ADSP_FW_SPK_PROT] = { 301 .file = "spk-prot", 302 .compr_direction = SND_COMPRESS_CAPTURE, 303 .num_caps = ARRAY_SIZE(trace_caps), 304 .caps = trace_caps, 305 }, 306 [WM_ADSP_FW_SPK_CALI] = { .file = "spk-cali" }, 307 [WM_ADSP_FW_SPK_DIAG] = { .file = "spk-diag" }, 308 [WM_ADSP_FW_MISC] = { .file = "misc" }, 309 }; 310 311 struct wm_coeff_ctl { 312 const char *name; 313 struct cs_dsp_coeff_ctl *cs_ctl; 314 struct soc_bytes_ext bytes_ext; 315 struct work_struct work; 316 }; 317 318 int wm_adsp_fw_get(struct snd_kcontrol *kcontrol, 319 struct snd_ctl_elem_value *ucontrol) 320 { 321 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); 322 struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; 323 struct wm_adsp *dsp = snd_soc_component_get_drvdata(component); 324 325 ucontrol->value.enumerated.item[0] = dsp[e->shift_l].fw; 326 327 return 0; 328 } 329 EXPORT_SYMBOL_GPL(wm_adsp_fw_get); 330 331 int wm_adsp_fw_put(struct snd_kcontrol *kcontrol, 332 struct snd_ctl_elem_value *ucontrol) 333 { 334 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); 335 struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; 336 struct wm_adsp *dsp = snd_soc_component_get_drvdata(component); 337 int ret = 1; 338 339 if (ucontrol->value.enumerated.item[0] == dsp[e->shift_l].fw) 340 return 0; 341 342 if (ucontrol->value.enumerated.item[0] >= WM_ADSP_NUM_FW) 343 return -EINVAL; 344 345 mutex_lock(&dsp[e->shift_l].cs_dsp.pwr_lock); 346 347 if (dsp[e->shift_l].cs_dsp.booted || !list_empty(&dsp[e->shift_l].compr_list)) 348 ret = -EBUSY; 349 else 350 dsp[e->shift_l].fw = ucontrol->value.enumerated.item[0]; 351 352 mutex_unlock(&dsp[e->shift_l].cs_dsp.pwr_lock); 353 354 return ret; 355 } 356 EXPORT_SYMBOL_GPL(wm_adsp_fw_put); 357 358 const struct soc_enum wm_adsp_fw_enum[] = { 359 SOC_ENUM_SINGLE(0, 0, ARRAY_SIZE(wm_adsp_fw_text), wm_adsp_fw_text), 360 SOC_ENUM_SINGLE(0, 1, ARRAY_SIZE(wm_adsp_fw_text), wm_adsp_fw_text), 361 SOC_ENUM_SINGLE(0, 2, ARRAY_SIZE(wm_adsp_fw_text), wm_adsp_fw_text), 362 SOC_ENUM_SINGLE(0, 3, ARRAY_SIZE(wm_adsp_fw_text), wm_adsp_fw_text), 363 SOC_ENUM_SINGLE(0, 4, ARRAY_SIZE(wm_adsp_fw_text), wm_adsp_fw_text), 364 SOC_ENUM_SINGLE(0, 5, ARRAY_SIZE(wm_adsp_fw_text), wm_adsp_fw_text), 365 SOC_ENUM_SINGLE(0, 6, ARRAY_SIZE(wm_adsp_fw_text), wm_adsp_fw_text), 366 }; 367 EXPORT_SYMBOL_GPL(wm_adsp_fw_enum); 368 369 static inline struct wm_coeff_ctl *bytes_ext_to_ctl(struct soc_bytes_ext *ext) 370 { 371 return container_of(ext, struct wm_coeff_ctl, bytes_ext); 372 } 373 374 static int wm_coeff_info(struct snd_kcontrol *kctl, 375 struct snd_ctl_elem_info *uinfo) 376 { 377 struct soc_bytes_ext *bytes_ext = 378 (struct soc_bytes_ext *)kctl->private_value; 379 struct wm_coeff_ctl *ctl = bytes_ext_to_ctl(bytes_ext); 380 struct cs_dsp_coeff_ctl *cs_ctl = ctl->cs_ctl; 381 382 switch (cs_ctl->type) { 383 case WMFW_CTL_TYPE_ACKED: 384 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 385 uinfo->value.integer.min = CS_DSP_ACKED_CTL_MIN_VALUE; 386 uinfo->value.integer.max = CS_DSP_ACKED_CTL_MAX_VALUE; 387 uinfo->value.integer.step = 1; 388 uinfo->count = 1; 389 break; 390 default: 391 uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES; 392 uinfo->count = cs_ctl->len; 393 break; 394 } 395 396 return 0; 397 } 398 399 static int wm_coeff_put(struct snd_kcontrol *kctl, 400 struct snd_ctl_elem_value *ucontrol) 401 { 402 struct soc_bytes_ext *bytes_ext = 403 (struct soc_bytes_ext *)kctl->private_value; 404 struct wm_coeff_ctl *ctl = bytes_ext_to_ctl(bytes_ext); 405 struct cs_dsp_coeff_ctl *cs_ctl = ctl->cs_ctl; 406 char *p = ucontrol->value.bytes.data; 407 int ret = 0; 408 409 mutex_lock(&cs_ctl->dsp->pwr_lock); 410 ret = cs_dsp_coeff_write_ctrl(cs_ctl, 0, p, cs_ctl->len); 411 mutex_unlock(&cs_ctl->dsp->pwr_lock); 412 413 return ret; 414 } 415 416 static int wm_coeff_tlv_put(struct snd_kcontrol *kctl, 417 const unsigned int __user *bytes, unsigned int size) 418 { 419 struct soc_bytes_ext *bytes_ext = 420 (struct soc_bytes_ext *)kctl->private_value; 421 struct wm_coeff_ctl *ctl = bytes_ext_to_ctl(bytes_ext); 422 struct cs_dsp_coeff_ctl *cs_ctl = ctl->cs_ctl; 423 void *scratch; 424 int ret = 0; 425 426 scratch = vmalloc(size); 427 if (!scratch) 428 return -ENOMEM; 429 430 if (copy_from_user(scratch, bytes, size)) { 431 ret = -EFAULT; 432 } else { 433 mutex_lock(&cs_ctl->dsp->pwr_lock); 434 ret = cs_dsp_coeff_write_ctrl(cs_ctl, 0, scratch, size); 435 mutex_unlock(&cs_ctl->dsp->pwr_lock); 436 } 437 vfree(scratch); 438 439 return ret; 440 } 441 442 static int wm_coeff_put_acked(struct snd_kcontrol *kctl, 443 struct snd_ctl_elem_value *ucontrol) 444 { 445 struct soc_bytes_ext *bytes_ext = 446 (struct soc_bytes_ext *)kctl->private_value; 447 struct wm_coeff_ctl *ctl = bytes_ext_to_ctl(bytes_ext); 448 struct cs_dsp_coeff_ctl *cs_ctl = ctl->cs_ctl; 449 unsigned int val = ucontrol->value.integer.value[0]; 450 int ret; 451 452 if (val == 0) 453 return 0; /* 0 means no event */ 454 455 mutex_lock(&cs_ctl->dsp->pwr_lock); 456 457 if (cs_ctl->enabled) 458 ret = cs_dsp_coeff_write_acked_control(cs_ctl, val); 459 else 460 ret = -EPERM; 461 462 mutex_unlock(&cs_ctl->dsp->pwr_lock); 463 464 if (ret < 0) 465 return ret; 466 467 return 1; 468 } 469 470 static int wm_coeff_get(struct snd_kcontrol *kctl, 471 struct snd_ctl_elem_value *ucontrol) 472 { 473 struct soc_bytes_ext *bytes_ext = 474 (struct soc_bytes_ext *)kctl->private_value; 475 struct wm_coeff_ctl *ctl = bytes_ext_to_ctl(bytes_ext); 476 struct cs_dsp_coeff_ctl *cs_ctl = ctl->cs_ctl; 477 char *p = ucontrol->value.bytes.data; 478 int ret; 479 480 mutex_lock(&cs_ctl->dsp->pwr_lock); 481 ret = cs_dsp_coeff_read_ctrl(cs_ctl, 0, p, cs_ctl->len); 482 mutex_unlock(&cs_ctl->dsp->pwr_lock); 483 484 return ret; 485 } 486 487 static int wm_coeff_tlv_get(struct snd_kcontrol *kctl, 488 unsigned int __user *bytes, unsigned int size) 489 { 490 struct soc_bytes_ext *bytes_ext = 491 (struct soc_bytes_ext *)kctl->private_value; 492 struct wm_coeff_ctl *ctl = bytes_ext_to_ctl(bytes_ext); 493 struct cs_dsp_coeff_ctl *cs_ctl = ctl->cs_ctl; 494 int ret = 0; 495 496 mutex_lock(&cs_ctl->dsp->pwr_lock); 497 498 ret = cs_dsp_coeff_read_ctrl(cs_ctl, 0, cs_ctl->cache, size); 499 500 if (!ret && copy_to_user(bytes, cs_ctl->cache, size)) 501 ret = -EFAULT; 502 503 mutex_unlock(&cs_ctl->dsp->pwr_lock); 504 505 return ret; 506 } 507 508 static int wm_coeff_get_acked(struct snd_kcontrol *kcontrol, 509 struct snd_ctl_elem_value *ucontrol) 510 { 511 /* 512 * Although it's not useful to read an acked control, we must satisfy 513 * user-side assumptions that all controls are readable and that a 514 * write of the same value should be filtered out (it's valid to send 515 * the same event number again to the firmware). We therefore return 0, 516 * meaning "no event" so valid event numbers will always be a change 517 */ 518 ucontrol->value.integer.value[0] = 0; 519 520 return 0; 521 } 522 523 static unsigned int wmfw_convert_flags(unsigned int in, unsigned int len) 524 { 525 unsigned int out, rd, wr, vol; 526 527 if (len > ADSP_MAX_STD_CTRL_SIZE) { 528 rd = SNDRV_CTL_ELEM_ACCESS_TLV_READ; 529 wr = SNDRV_CTL_ELEM_ACCESS_TLV_WRITE; 530 vol = SNDRV_CTL_ELEM_ACCESS_VOLATILE; 531 532 out = SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK; 533 } else { 534 rd = SNDRV_CTL_ELEM_ACCESS_READ; 535 wr = SNDRV_CTL_ELEM_ACCESS_WRITE; 536 vol = SNDRV_CTL_ELEM_ACCESS_VOLATILE; 537 538 out = 0; 539 } 540 541 if (in) { 542 out |= rd; 543 if (in & WMFW_CTL_FLAG_WRITEABLE) 544 out |= wr; 545 if (in & WMFW_CTL_FLAG_VOLATILE) 546 out |= vol; 547 } else { 548 out |= rd | wr | vol; 549 } 550 551 return out; 552 } 553 554 static void wm_adsp_ctl_work(struct work_struct *work) 555 { 556 struct wm_coeff_ctl *ctl = container_of(work, 557 struct wm_coeff_ctl, 558 work); 559 struct cs_dsp_coeff_ctl *cs_ctl = ctl->cs_ctl; 560 struct wm_adsp *dsp = container_of(cs_ctl->dsp, 561 struct wm_adsp, 562 cs_dsp); 563 struct snd_kcontrol_new *kcontrol; 564 565 kcontrol = kzalloc(sizeof(*kcontrol), GFP_KERNEL); 566 if (!kcontrol) 567 return; 568 569 kcontrol->name = ctl->name; 570 kcontrol->info = wm_coeff_info; 571 kcontrol->iface = SNDRV_CTL_ELEM_IFACE_MIXER; 572 kcontrol->tlv.c = snd_soc_bytes_tlv_callback; 573 kcontrol->private_value = (unsigned long)&ctl->bytes_ext; 574 kcontrol->access = wmfw_convert_flags(cs_ctl->flags, cs_ctl->len); 575 576 switch (cs_ctl->type) { 577 case WMFW_CTL_TYPE_ACKED: 578 kcontrol->get = wm_coeff_get_acked; 579 kcontrol->put = wm_coeff_put_acked; 580 break; 581 default: 582 if (kcontrol->access & SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK) { 583 ctl->bytes_ext.max = cs_ctl->len; 584 ctl->bytes_ext.get = wm_coeff_tlv_get; 585 ctl->bytes_ext.put = wm_coeff_tlv_put; 586 } else { 587 kcontrol->get = wm_coeff_get; 588 kcontrol->put = wm_coeff_put; 589 } 590 break; 591 } 592 593 snd_soc_add_component_controls(dsp->component, kcontrol, 1); 594 595 kfree(kcontrol); 596 } 597 598 static int wm_adsp_control_add(struct cs_dsp_coeff_ctl *cs_ctl) 599 { 600 struct wm_adsp *dsp = container_of(cs_ctl->dsp, struct wm_adsp, cs_dsp); 601 struct cs_dsp *cs_dsp = &dsp->cs_dsp; 602 struct wm_coeff_ctl *ctl; 603 char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; 604 const char *region_name; 605 int ret; 606 607 if (cs_ctl->flags & WMFW_CTL_FLAG_SYS) 608 return 0; 609 610 region_name = cs_dsp_mem_region_name(cs_ctl->alg_region.type); 611 if (!region_name) { 612 adsp_err(dsp, "Unknown region type: %d\n", cs_ctl->alg_region.type); 613 return -EINVAL; 614 } 615 616 switch (cs_dsp->fw_ver) { 617 case 0: 618 case 1: 619 ret = scnprintf(name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN, 620 "%s %s %x", cs_dsp->name, region_name, 621 cs_ctl->alg_region.alg); 622 break; 623 case 2: 624 ret = scnprintf(name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN, 625 "%s%c %.12s %x", cs_dsp->name, *region_name, 626 wm_adsp_fw_text[dsp->fw], cs_ctl->alg_region.alg); 627 break; 628 default: 629 ret = scnprintf(name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN, 630 "%s %.12s %x", cs_dsp->name, 631 wm_adsp_fw_text[dsp->fw], cs_ctl->alg_region.alg); 632 break; 633 } 634 635 if (cs_ctl->subname) { 636 int avail = SNDRV_CTL_ELEM_ID_NAME_MAXLEN - ret - 2; 637 int skip = 0; 638 639 if (dsp->component->name_prefix) 640 avail -= strlen(dsp->component->name_prefix) + 1; 641 642 /* Truncate the subname from the start if it is too long */ 643 if (cs_ctl->subname_len > avail) 644 skip = cs_ctl->subname_len - avail; 645 646 snprintf(name + ret, SNDRV_CTL_ELEM_ID_NAME_MAXLEN - ret, 647 " %.*s", cs_ctl->subname_len - skip, cs_ctl->subname + skip); 648 } 649 650 ctl = kzalloc(sizeof(*ctl), GFP_KERNEL); 651 if (!ctl) 652 return -ENOMEM; 653 ctl->cs_ctl = cs_ctl; 654 655 ctl->name = kmemdup(name, strlen(name) + 1, GFP_KERNEL); 656 if (!ctl->name) { 657 ret = -ENOMEM; 658 goto err_ctl; 659 } 660 661 cs_ctl->priv = ctl; 662 663 INIT_WORK(&ctl->work, wm_adsp_ctl_work); 664 schedule_work(&ctl->work); 665 666 return 0; 667 668 err_ctl: 669 kfree(ctl); 670 671 return ret; 672 } 673 674 static void wm_adsp_control_remove(struct cs_dsp_coeff_ctl *cs_ctl) 675 { 676 struct wm_coeff_ctl *ctl = cs_ctl->priv; 677 678 cancel_work_sync(&ctl->work); 679 680 kfree(ctl->name); 681 kfree(ctl); 682 } 683 684 int wm_adsp_write_ctl(struct wm_adsp *dsp, const char *name, int type, 685 unsigned int alg, void *buf, size_t len) 686 { 687 struct cs_dsp_coeff_ctl *cs_ctl = cs_dsp_get_ctl(&dsp->cs_dsp, name, type, alg); 688 struct wm_coeff_ctl *ctl; 689 struct snd_kcontrol *kcontrol; 690 char ctl_name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; 691 int ret; 692 693 ret = cs_dsp_coeff_write_ctrl(cs_ctl, 0, buf, len); 694 if (ret < 0) 695 return ret; 696 697 if (ret == 0 || (cs_ctl->flags & WMFW_CTL_FLAG_SYS)) 698 return 0; 699 700 ctl = cs_ctl->priv; 701 702 if (dsp->component->name_prefix) 703 snprintf(ctl_name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN, "%s %s", 704 dsp->component->name_prefix, ctl->name); 705 else 706 snprintf(ctl_name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN, "%s", 707 ctl->name); 708 709 kcontrol = snd_soc_card_get_kcontrol(dsp->component->card, ctl_name); 710 if (!kcontrol) { 711 adsp_err(dsp, "Can't find kcontrol %s\n", ctl_name); 712 return -EINVAL; 713 } 714 715 snd_ctl_notify(dsp->component->card->snd_card, 716 SNDRV_CTL_EVENT_MASK_VALUE, &kcontrol->id); 717 718 return 0; 719 } 720 EXPORT_SYMBOL_GPL(wm_adsp_write_ctl); 721 722 int wm_adsp_read_ctl(struct wm_adsp *dsp, const char *name, int type, 723 unsigned int alg, void *buf, size_t len) 724 { 725 return cs_dsp_coeff_read_ctrl(cs_dsp_get_ctl(&dsp->cs_dsp, name, type, alg), 726 0, buf, len); 727 } 728 EXPORT_SYMBOL_GPL(wm_adsp_read_ctl); 729 730 static void wm_adsp_release_firmware_files(struct wm_adsp *dsp, 731 const struct firmware *wmfw_firmware, 732 char *wmfw_filename, 733 const struct firmware *coeff_firmware, 734 char *coeff_filename) 735 { 736 if (wmfw_firmware) 737 release_firmware(wmfw_firmware); 738 kfree(wmfw_filename); 739 740 if (coeff_firmware) 741 release_firmware(coeff_firmware); 742 kfree(coeff_filename); 743 } 744 745 static int wm_adsp_request_firmware_file(struct wm_adsp *dsp, 746 const struct firmware **firmware, char **filename, 747 const char *dir, const char *system_name, 748 const char *asoc_component_prefix, 749 const char *filetype) 750 { 751 struct cs_dsp *cs_dsp = &dsp->cs_dsp; 752 char *s, c; 753 int ret = 0; 754 755 if (system_name && asoc_component_prefix) 756 *filename = kasprintf(GFP_KERNEL, "%s%s-%s-%s-%s-%s.%s", dir, dsp->part, 757 dsp->fwf_name, wm_adsp_fw[dsp->fw].file, system_name, 758 asoc_component_prefix, filetype); 759 else if (system_name) 760 *filename = kasprintf(GFP_KERNEL, "%s%s-%s-%s-%s.%s", dir, dsp->part, 761 dsp->fwf_name, wm_adsp_fw[dsp->fw].file, system_name, 762 filetype); 763 else 764 *filename = kasprintf(GFP_KERNEL, "%s%s-%s-%s.%s", dir, dsp->part, dsp->fwf_name, 765 wm_adsp_fw[dsp->fw].file, filetype); 766 767 if (*filename == NULL) 768 return -ENOMEM; 769 770 /* 771 * Make sure that filename is lower-case and any non alpha-numeric 772 * characters except full stop and forward slash are replaced with 773 * hyphens. 774 */ 775 s = *filename; 776 while (*s) { 777 c = *s; 778 if (isalnum(c)) 779 *s = tolower(c); 780 else if ((c != '.') && (c != '/')) 781 *s = '-'; 782 s++; 783 } 784 785 ret = firmware_request_nowarn(firmware, *filename, cs_dsp->dev); 786 if (ret != 0) { 787 adsp_dbg(dsp, "Failed to request '%s'\n", *filename); 788 kfree(*filename); 789 *filename = NULL; 790 } 791 792 return ret; 793 } 794 795 static const char *cirrus_dir = "cirrus/"; 796 static int wm_adsp_request_firmware_files(struct wm_adsp *dsp, 797 const struct firmware **wmfw_firmware, 798 char **wmfw_filename, 799 const struct firmware **coeff_firmware, 800 char **coeff_filename) 801 { 802 const char *system_name = dsp->system_name; 803 const char *asoc_component_prefix = dsp->component->name_prefix; 804 int ret = 0; 805 806 if (system_name && asoc_component_prefix) { 807 if (!wm_adsp_request_firmware_file(dsp, wmfw_firmware, wmfw_filename, 808 cirrus_dir, system_name, 809 asoc_component_prefix, "wmfw")) { 810 adsp_dbg(dsp, "Found '%s'\n", *wmfw_filename); 811 wm_adsp_request_firmware_file(dsp, coeff_firmware, coeff_filename, 812 cirrus_dir, system_name, 813 asoc_component_prefix, "bin"); 814 return 0; 815 } 816 } 817 818 if (system_name) { 819 if (!wm_adsp_request_firmware_file(dsp, wmfw_firmware, wmfw_filename, 820 cirrus_dir, system_name, 821 NULL, "wmfw")) { 822 adsp_dbg(dsp, "Found '%s'\n", *wmfw_filename); 823 if (asoc_component_prefix) 824 wm_adsp_request_firmware_file(dsp, coeff_firmware, coeff_filename, 825 cirrus_dir, system_name, 826 asoc_component_prefix, "bin"); 827 828 if (!*coeff_firmware) 829 wm_adsp_request_firmware_file(dsp, coeff_firmware, coeff_filename, 830 cirrus_dir, system_name, 831 NULL, "bin"); 832 return 0; 833 } 834 } 835 836 if (!wm_adsp_request_firmware_file(dsp, wmfw_firmware, wmfw_filename, 837 "", NULL, NULL, "wmfw")) { 838 adsp_dbg(dsp, "Found '%s'\n", *wmfw_filename); 839 wm_adsp_request_firmware_file(dsp, coeff_firmware, coeff_filename, 840 "", NULL, NULL, "bin"); 841 return 0; 842 } 843 844 ret = wm_adsp_request_firmware_file(dsp, wmfw_firmware, wmfw_filename, 845 cirrus_dir, NULL, NULL, "wmfw"); 846 if (!ret) { 847 adsp_dbg(dsp, "Found '%s'\n", *wmfw_filename); 848 wm_adsp_request_firmware_file(dsp, coeff_firmware, coeff_filename, 849 cirrus_dir, NULL, NULL, "bin"); 850 return 0; 851 } 852 853 adsp_err(dsp, "Failed to request firmware <%s>%s-%s-%s<-%s<%s>>.wmfw\n", 854 cirrus_dir, dsp->part, dsp->fwf_name, wm_adsp_fw[dsp->fw].file, 855 system_name, asoc_component_prefix); 856 857 return -ENOENT; 858 } 859 860 static int wm_adsp_common_init(struct wm_adsp *dsp) 861 { 862 char *p; 863 864 INIT_LIST_HEAD(&dsp->compr_list); 865 INIT_LIST_HEAD(&dsp->buffer_list); 866 867 if (!dsp->fwf_name) { 868 p = devm_kstrdup(dsp->cs_dsp.dev, dsp->cs_dsp.name, GFP_KERNEL); 869 if (!p) 870 return -ENOMEM; 871 872 dsp->fwf_name = p; 873 for (; *p != 0; ++p) 874 *p = tolower(*p); 875 } 876 877 return 0; 878 } 879 880 int wm_adsp1_init(struct wm_adsp *dsp) 881 { 882 int ret; 883 884 dsp->cs_dsp.client_ops = &wm_adsp1_client_ops; 885 886 ret = cs_dsp_adsp1_init(&dsp->cs_dsp); 887 if (ret) 888 return ret; 889 890 return wm_adsp_common_init(dsp); 891 } 892 EXPORT_SYMBOL_GPL(wm_adsp1_init); 893 894 int wm_adsp1_event(struct snd_soc_dapm_widget *w, 895 struct snd_kcontrol *kcontrol, 896 int event) 897 { 898 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); 899 struct wm_adsp *dsps = snd_soc_component_get_drvdata(component); 900 struct wm_adsp *dsp = &dsps[w->shift]; 901 int ret = 0; 902 char *wmfw_filename = NULL; 903 const struct firmware *wmfw_firmware = NULL; 904 char *coeff_filename = NULL; 905 const struct firmware *coeff_firmware = NULL; 906 907 dsp->component = component; 908 909 switch (event) { 910 case SND_SOC_DAPM_POST_PMU: 911 ret = wm_adsp_request_firmware_files(dsp, 912 &wmfw_firmware, &wmfw_filename, 913 &coeff_firmware, &coeff_filename); 914 if (ret) 915 break; 916 917 ret = cs_dsp_adsp1_power_up(&dsp->cs_dsp, 918 wmfw_firmware, wmfw_filename, 919 coeff_firmware, coeff_filename, 920 wm_adsp_fw_text[dsp->fw]); 921 922 wm_adsp_release_firmware_files(dsp, 923 wmfw_firmware, wmfw_filename, 924 coeff_firmware, coeff_filename); 925 break; 926 case SND_SOC_DAPM_PRE_PMD: 927 cs_dsp_adsp1_power_down(&dsp->cs_dsp); 928 break; 929 default: 930 break; 931 } 932 933 return ret; 934 } 935 EXPORT_SYMBOL_GPL(wm_adsp1_event); 936 937 int wm_adsp2_set_dspclk(struct snd_soc_dapm_widget *w, unsigned int freq) 938 { 939 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); 940 struct wm_adsp *dsps = snd_soc_component_get_drvdata(component); 941 struct wm_adsp *dsp = &dsps[w->shift]; 942 943 return cs_dsp_set_dspclk(&dsp->cs_dsp, freq); 944 } 945 EXPORT_SYMBOL_GPL(wm_adsp2_set_dspclk); 946 947 int wm_adsp2_preloader_get(struct snd_kcontrol *kcontrol, 948 struct snd_ctl_elem_value *ucontrol) 949 { 950 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); 951 struct wm_adsp *dsps = snd_soc_component_get_drvdata(component); 952 struct soc_mixer_control *mc = 953 (struct soc_mixer_control *)kcontrol->private_value; 954 struct wm_adsp *dsp = &dsps[mc->shift - 1]; 955 956 ucontrol->value.integer.value[0] = dsp->preloaded; 957 958 return 0; 959 } 960 EXPORT_SYMBOL_GPL(wm_adsp2_preloader_get); 961 962 int wm_adsp2_preloader_put(struct snd_kcontrol *kcontrol, 963 struct snd_ctl_elem_value *ucontrol) 964 { 965 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); 966 struct wm_adsp *dsps = snd_soc_component_get_drvdata(component); 967 struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component); 968 struct soc_mixer_control *mc = 969 (struct soc_mixer_control *)kcontrol->private_value; 970 struct wm_adsp *dsp = &dsps[mc->shift - 1]; 971 char preload[32]; 972 973 if (dsp->preloaded == ucontrol->value.integer.value[0]) 974 return 0; 975 976 snprintf(preload, ARRAY_SIZE(preload), "%s Preload", dsp->cs_dsp.name); 977 978 if (ucontrol->value.integer.value[0] || dsp->toggle_preload) 979 snd_soc_component_force_enable_pin(component, preload); 980 else 981 snd_soc_component_disable_pin(component, preload); 982 983 snd_soc_dapm_sync(dapm); 984 985 flush_work(&dsp->boot_work); 986 987 dsp->preloaded = ucontrol->value.integer.value[0]; 988 989 if (dsp->toggle_preload) { 990 snd_soc_component_disable_pin(component, preload); 991 snd_soc_dapm_sync(dapm); 992 } 993 994 return 1; 995 } 996 EXPORT_SYMBOL_GPL(wm_adsp2_preloader_put); 997 998 static void wm_adsp_boot_work(struct work_struct *work) 999 { 1000 struct wm_adsp *dsp = container_of(work, 1001 struct wm_adsp, 1002 boot_work); 1003 int ret = 0; 1004 char *wmfw_filename = NULL; 1005 const struct firmware *wmfw_firmware = NULL; 1006 char *coeff_filename = NULL; 1007 const struct firmware *coeff_firmware = NULL; 1008 1009 ret = wm_adsp_request_firmware_files(dsp, 1010 &wmfw_firmware, &wmfw_filename, 1011 &coeff_firmware, &coeff_filename); 1012 if (ret) 1013 return; 1014 1015 cs_dsp_power_up(&dsp->cs_dsp, 1016 wmfw_firmware, wmfw_filename, 1017 coeff_firmware, coeff_filename, 1018 wm_adsp_fw_text[dsp->fw]); 1019 1020 wm_adsp_release_firmware_files(dsp, 1021 wmfw_firmware, wmfw_filename, 1022 coeff_firmware, coeff_filename); 1023 } 1024 1025 int wm_adsp_early_event(struct snd_soc_dapm_widget *w, 1026 struct snd_kcontrol *kcontrol, int event) 1027 { 1028 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); 1029 struct wm_adsp *dsps = snd_soc_component_get_drvdata(component); 1030 struct wm_adsp *dsp = &dsps[w->shift]; 1031 1032 switch (event) { 1033 case SND_SOC_DAPM_PRE_PMU: 1034 queue_work(system_unbound_wq, &dsp->boot_work); 1035 break; 1036 case SND_SOC_DAPM_PRE_PMD: 1037 cs_dsp_power_down(&dsp->cs_dsp); 1038 break; 1039 default: 1040 break; 1041 } 1042 1043 return 0; 1044 } 1045 EXPORT_SYMBOL_GPL(wm_adsp_early_event); 1046 1047 static int wm_adsp_pre_run(struct cs_dsp *cs_dsp) 1048 { 1049 struct wm_adsp *dsp = container_of(cs_dsp, struct wm_adsp, cs_dsp); 1050 1051 if (!dsp->pre_run) 1052 return 0; 1053 1054 return (*dsp->pre_run)(dsp); 1055 } 1056 1057 static int wm_adsp_event_post_run(struct cs_dsp *cs_dsp) 1058 { 1059 struct wm_adsp *dsp = container_of(cs_dsp, struct wm_adsp, cs_dsp); 1060 1061 if (wm_adsp_fw[dsp->fw].num_caps != 0) 1062 return wm_adsp_buffer_init(dsp); 1063 1064 return 0; 1065 } 1066 1067 static void wm_adsp_event_post_stop(struct cs_dsp *cs_dsp) 1068 { 1069 struct wm_adsp *dsp = container_of(cs_dsp, struct wm_adsp, cs_dsp); 1070 1071 if (wm_adsp_fw[dsp->fw].num_caps != 0) 1072 wm_adsp_buffer_free(dsp); 1073 1074 dsp->fatal_error = false; 1075 } 1076 1077 int wm_adsp_event(struct snd_soc_dapm_widget *w, 1078 struct snd_kcontrol *kcontrol, int event) 1079 { 1080 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); 1081 struct wm_adsp *dsps = snd_soc_component_get_drvdata(component); 1082 struct wm_adsp *dsp = &dsps[w->shift]; 1083 int ret = 0; 1084 1085 switch (event) { 1086 case SND_SOC_DAPM_POST_PMU: 1087 flush_work(&dsp->boot_work); 1088 ret = cs_dsp_run(&dsp->cs_dsp); 1089 break; 1090 case SND_SOC_DAPM_PRE_PMD: 1091 cs_dsp_stop(&dsp->cs_dsp); 1092 break; 1093 default: 1094 break; 1095 } 1096 1097 return ret; 1098 } 1099 EXPORT_SYMBOL_GPL(wm_adsp_event); 1100 1101 int wm_adsp2_component_probe(struct wm_adsp *dsp, struct snd_soc_component *component) 1102 { 1103 char preload[32]; 1104 1105 snprintf(preload, ARRAY_SIZE(preload), "%s Preload", dsp->cs_dsp.name); 1106 snd_soc_component_disable_pin(component, preload); 1107 1108 cs_dsp_init_debugfs(&dsp->cs_dsp, component->debugfs_root); 1109 1110 dsp->component = component; 1111 1112 return 0; 1113 } 1114 EXPORT_SYMBOL_GPL(wm_adsp2_component_probe); 1115 1116 int wm_adsp2_component_remove(struct wm_adsp *dsp, struct snd_soc_component *component) 1117 { 1118 cs_dsp_cleanup_debugfs(&dsp->cs_dsp); 1119 1120 return 0; 1121 } 1122 EXPORT_SYMBOL_GPL(wm_adsp2_component_remove); 1123 1124 int wm_adsp2_init(struct wm_adsp *dsp) 1125 { 1126 int ret; 1127 1128 INIT_WORK(&dsp->boot_work, wm_adsp_boot_work); 1129 1130 dsp->sys_config_size = sizeof(struct wm_adsp_system_config_xm_hdr); 1131 dsp->cs_dsp.client_ops = &wm_adsp2_client_ops; 1132 1133 ret = cs_dsp_adsp2_init(&dsp->cs_dsp); 1134 if (ret) 1135 return ret; 1136 1137 return wm_adsp_common_init(dsp); 1138 } 1139 EXPORT_SYMBOL_GPL(wm_adsp2_init); 1140 1141 int wm_halo_init(struct wm_adsp *dsp) 1142 { 1143 int ret; 1144 1145 INIT_WORK(&dsp->boot_work, wm_adsp_boot_work); 1146 1147 dsp->sys_config_size = sizeof(struct wm_halo_system_config_xm_hdr); 1148 dsp->cs_dsp.client_ops = &wm_adsp2_client_ops; 1149 1150 ret = cs_dsp_halo_init(&dsp->cs_dsp); 1151 if (ret) 1152 return ret; 1153 1154 return wm_adsp_common_init(dsp); 1155 } 1156 EXPORT_SYMBOL_GPL(wm_halo_init); 1157 1158 void wm_adsp2_remove(struct wm_adsp *dsp) 1159 { 1160 cs_dsp_remove(&dsp->cs_dsp); 1161 } 1162 EXPORT_SYMBOL_GPL(wm_adsp2_remove); 1163 1164 static inline int wm_adsp_compr_attached(struct wm_adsp_compr *compr) 1165 { 1166 return compr->buf != NULL; 1167 } 1168 1169 static int wm_adsp_compr_attach(struct wm_adsp_compr *compr) 1170 { 1171 struct wm_adsp_compr_buf *buf = NULL, *tmp; 1172 1173 if (compr->dsp->fatal_error) 1174 return -EINVAL; 1175 1176 list_for_each_entry(tmp, &compr->dsp->buffer_list, list) { 1177 if (!tmp->name || !strcmp(compr->name, tmp->name)) { 1178 buf = tmp; 1179 break; 1180 } 1181 } 1182 1183 if (!buf) 1184 return -EINVAL; 1185 1186 compr->buf = buf; 1187 buf->compr = compr; 1188 1189 return 0; 1190 } 1191 1192 static void wm_adsp_compr_detach(struct wm_adsp_compr *compr) 1193 { 1194 if (!compr) 1195 return; 1196 1197 /* Wake the poll so it can see buffer is no longer attached */ 1198 if (compr->stream) 1199 snd_compr_fragment_elapsed(compr->stream); 1200 1201 if (wm_adsp_compr_attached(compr)) { 1202 compr->buf->compr = NULL; 1203 compr->buf = NULL; 1204 } 1205 } 1206 1207 int wm_adsp_compr_open(struct wm_adsp *dsp, struct snd_compr_stream *stream) 1208 { 1209 struct wm_adsp_compr *compr, *tmp; 1210 struct snd_soc_pcm_runtime *rtd = stream->private_data; 1211 int ret = 0; 1212 1213 mutex_lock(&dsp->cs_dsp.pwr_lock); 1214 1215 if (wm_adsp_fw[dsp->fw].num_caps == 0) { 1216 adsp_err(dsp, "%s: Firmware does not support compressed API\n", 1217 asoc_rtd_to_codec(rtd, 0)->name); 1218 ret = -ENXIO; 1219 goto out; 1220 } 1221 1222 if (wm_adsp_fw[dsp->fw].compr_direction != stream->direction) { 1223 adsp_err(dsp, "%s: Firmware does not support stream direction\n", 1224 asoc_rtd_to_codec(rtd, 0)->name); 1225 ret = -EINVAL; 1226 goto out; 1227 } 1228 1229 list_for_each_entry(tmp, &dsp->compr_list, list) { 1230 if (!strcmp(tmp->name, asoc_rtd_to_codec(rtd, 0)->name)) { 1231 adsp_err(dsp, "%s: Only a single stream supported per dai\n", 1232 asoc_rtd_to_codec(rtd, 0)->name); 1233 ret = -EBUSY; 1234 goto out; 1235 } 1236 } 1237 1238 compr = kzalloc(sizeof(*compr), GFP_KERNEL); 1239 if (!compr) { 1240 ret = -ENOMEM; 1241 goto out; 1242 } 1243 1244 compr->dsp = dsp; 1245 compr->stream = stream; 1246 compr->name = asoc_rtd_to_codec(rtd, 0)->name; 1247 1248 list_add_tail(&compr->list, &dsp->compr_list); 1249 1250 stream->runtime->private_data = compr; 1251 1252 out: 1253 mutex_unlock(&dsp->cs_dsp.pwr_lock); 1254 1255 return ret; 1256 } 1257 EXPORT_SYMBOL_GPL(wm_adsp_compr_open); 1258 1259 int wm_adsp_compr_free(struct snd_soc_component *component, 1260 struct snd_compr_stream *stream) 1261 { 1262 struct wm_adsp_compr *compr = stream->runtime->private_data; 1263 struct wm_adsp *dsp = compr->dsp; 1264 1265 mutex_lock(&dsp->cs_dsp.pwr_lock); 1266 1267 wm_adsp_compr_detach(compr); 1268 list_del(&compr->list); 1269 1270 kfree(compr->raw_buf); 1271 kfree(compr); 1272 1273 mutex_unlock(&dsp->cs_dsp.pwr_lock); 1274 1275 return 0; 1276 } 1277 EXPORT_SYMBOL_GPL(wm_adsp_compr_free); 1278 1279 static int wm_adsp_compr_check_params(struct snd_compr_stream *stream, 1280 struct snd_compr_params *params) 1281 { 1282 struct wm_adsp_compr *compr = stream->runtime->private_data; 1283 struct wm_adsp *dsp = compr->dsp; 1284 const struct wm_adsp_fw_caps *caps; 1285 const struct snd_codec_desc *desc; 1286 int i, j; 1287 1288 if (params->buffer.fragment_size < WM_ADSP_MIN_FRAGMENT_SIZE || 1289 params->buffer.fragment_size > WM_ADSP_MAX_FRAGMENT_SIZE || 1290 params->buffer.fragments < WM_ADSP_MIN_FRAGMENTS || 1291 params->buffer.fragments > WM_ADSP_MAX_FRAGMENTS || 1292 params->buffer.fragment_size % CS_DSP_DATA_WORD_SIZE) { 1293 compr_err(compr, "Invalid buffer fragsize=%d fragments=%d\n", 1294 params->buffer.fragment_size, 1295 params->buffer.fragments); 1296 1297 return -EINVAL; 1298 } 1299 1300 for (i = 0; i < wm_adsp_fw[dsp->fw].num_caps; i++) { 1301 caps = &wm_adsp_fw[dsp->fw].caps[i]; 1302 desc = &caps->desc; 1303 1304 if (caps->id != params->codec.id) 1305 continue; 1306 1307 if (stream->direction == SND_COMPRESS_PLAYBACK) { 1308 if (desc->max_ch < params->codec.ch_out) 1309 continue; 1310 } else { 1311 if (desc->max_ch < params->codec.ch_in) 1312 continue; 1313 } 1314 1315 if (!(desc->formats & (1 << params->codec.format))) 1316 continue; 1317 1318 for (j = 0; j < desc->num_sample_rates; ++j) 1319 if (desc->sample_rates[j] == params->codec.sample_rate) 1320 return 0; 1321 } 1322 1323 compr_err(compr, "Invalid params id=%u ch=%u,%u rate=%u fmt=%u\n", 1324 params->codec.id, params->codec.ch_in, params->codec.ch_out, 1325 params->codec.sample_rate, params->codec.format); 1326 return -EINVAL; 1327 } 1328 1329 static inline unsigned int wm_adsp_compr_frag_words(struct wm_adsp_compr *compr) 1330 { 1331 return compr->size.fragment_size / CS_DSP_DATA_WORD_SIZE; 1332 } 1333 1334 int wm_adsp_compr_set_params(struct snd_soc_component *component, 1335 struct snd_compr_stream *stream, 1336 struct snd_compr_params *params) 1337 { 1338 struct wm_adsp_compr *compr = stream->runtime->private_data; 1339 unsigned int size; 1340 int ret; 1341 1342 ret = wm_adsp_compr_check_params(stream, params); 1343 if (ret) 1344 return ret; 1345 1346 compr->size = params->buffer; 1347 1348 compr_dbg(compr, "fragment_size=%d fragments=%d\n", 1349 compr->size.fragment_size, compr->size.fragments); 1350 1351 size = wm_adsp_compr_frag_words(compr) * sizeof(*compr->raw_buf); 1352 compr->raw_buf = kmalloc(size, GFP_DMA | GFP_KERNEL); 1353 if (!compr->raw_buf) 1354 return -ENOMEM; 1355 1356 compr->sample_rate = params->codec.sample_rate; 1357 1358 return 0; 1359 } 1360 EXPORT_SYMBOL_GPL(wm_adsp_compr_set_params); 1361 1362 int wm_adsp_compr_get_caps(struct snd_soc_component *component, 1363 struct snd_compr_stream *stream, 1364 struct snd_compr_caps *caps) 1365 { 1366 struct wm_adsp_compr *compr = stream->runtime->private_data; 1367 int fw = compr->dsp->fw; 1368 int i; 1369 1370 if (wm_adsp_fw[fw].caps) { 1371 for (i = 0; i < wm_adsp_fw[fw].num_caps; i++) 1372 caps->codecs[i] = wm_adsp_fw[fw].caps[i].id; 1373 1374 caps->num_codecs = i; 1375 caps->direction = wm_adsp_fw[fw].compr_direction; 1376 1377 caps->min_fragment_size = WM_ADSP_MIN_FRAGMENT_SIZE; 1378 caps->max_fragment_size = WM_ADSP_MAX_FRAGMENT_SIZE; 1379 caps->min_fragments = WM_ADSP_MIN_FRAGMENTS; 1380 caps->max_fragments = WM_ADSP_MAX_FRAGMENTS; 1381 } 1382 1383 return 0; 1384 } 1385 EXPORT_SYMBOL_GPL(wm_adsp_compr_get_caps); 1386 1387 static inline int wm_adsp_buffer_read(struct wm_adsp_compr_buf *buf, 1388 unsigned int field_offset, u32 *data) 1389 { 1390 return cs_dsp_read_data_word(&buf->dsp->cs_dsp, buf->host_buf_mem_type, 1391 buf->host_buf_ptr + field_offset, data); 1392 } 1393 1394 static inline int wm_adsp_buffer_write(struct wm_adsp_compr_buf *buf, 1395 unsigned int field_offset, u32 data) 1396 { 1397 return cs_dsp_write_data_word(&buf->dsp->cs_dsp, buf->host_buf_mem_type, 1398 buf->host_buf_ptr + field_offset, 1399 data); 1400 } 1401 1402 static int wm_adsp_buffer_populate(struct wm_adsp_compr_buf *buf) 1403 { 1404 const struct wm_adsp_fw_caps *caps = wm_adsp_fw[buf->dsp->fw].caps; 1405 struct wm_adsp_buffer_region *region; 1406 u32 offset = 0; 1407 int i, ret; 1408 1409 buf->regions = kcalloc(caps->num_regions, sizeof(*buf->regions), 1410 GFP_KERNEL); 1411 if (!buf->regions) 1412 return -ENOMEM; 1413 1414 for (i = 0; i < caps->num_regions; ++i) { 1415 region = &buf->regions[i]; 1416 1417 region->offset = offset; 1418 region->mem_type = caps->region_defs[i].mem_type; 1419 1420 ret = wm_adsp_buffer_read(buf, caps->region_defs[i].base_offset, 1421 ®ion->base_addr); 1422 if (ret < 0) 1423 return ret; 1424 1425 ret = wm_adsp_buffer_read(buf, caps->region_defs[i].size_offset, 1426 &offset); 1427 if (ret < 0) 1428 return ret; 1429 1430 region->cumulative_size = offset; 1431 1432 compr_dbg(buf, 1433 "region=%d type=%d base=%08x off=%08x size=%08x\n", 1434 i, region->mem_type, region->base_addr, 1435 region->offset, region->cumulative_size); 1436 } 1437 1438 return 0; 1439 } 1440 1441 static void wm_adsp_buffer_clear(struct wm_adsp_compr_buf *buf) 1442 { 1443 buf->irq_count = 0xFFFFFFFF; 1444 buf->read_index = -1; 1445 buf->avail = 0; 1446 } 1447 1448 static struct wm_adsp_compr_buf *wm_adsp_buffer_alloc(struct wm_adsp *dsp) 1449 { 1450 struct wm_adsp_compr_buf *buf; 1451 1452 buf = kzalloc(sizeof(*buf), GFP_KERNEL); 1453 if (!buf) 1454 return NULL; 1455 1456 buf->dsp = dsp; 1457 1458 wm_adsp_buffer_clear(buf); 1459 1460 return buf; 1461 } 1462 1463 static int wm_adsp_buffer_parse_legacy(struct wm_adsp *dsp) 1464 { 1465 struct cs_dsp_alg_region *alg_region; 1466 struct wm_adsp_compr_buf *buf; 1467 u32 xmalg, addr, magic; 1468 int i, ret; 1469 1470 alg_region = cs_dsp_find_alg_region(&dsp->cs_dsp, WMFW_ADSP2_XM, dsp->cs_dsp.fw_id); 1471 if (!alg_region) { 1472 adsp_err(dsp, "No algorithm region found\n"); 1473 return -EINVAL; 1474 } 1475 1476 xmalg = dsp->sys_config_size / sizeof(__be32); 1477 1478 addr = alg_region->base + xmalg + ALG_XM_FIELD(magic); 1479 ret = cs_dsp_read_data_word(&dsp->cs_dsp, WMFW_ADSP2_XM, addr, &magic); 1480 if (ret < 0) 1481 return ret; 1482 1483 if (magic != WM_ADSP_ALG_XM_STRUCT_MAGIC) 1484 return -ENODEV; 1485 1486 buf = wm_adsp_buffer_alloc(dsp); 1487 if (!buf) 1488 return -ENOMEM; 1489 1490 addr = alg_region->base + xmalg + ALG_XM_FIELD(host_buf_ptr); 1491 for (i = 0; i < 5; ++i) { 1492 ret = cs_dsp_read_data_word(&dsp->cs_dsp, WMFW_ADSP2_XM, addr, 1493 &buf->host_buf_ptr); 1494 if (ret < 0) 1495 goto err; 1496 1497 if (buf->host_buf_ptr) 1498 break; 1499 1500 usleep_range(1000, 2000); 1501 } 1502 1503 if (!buf->host_buf_ptr) { 1504 ret = -EIO; 1505 goto err; 1506 } 1507 1508 buf->host_buf_mem_type = WMFW_ADSP2_XM; 1509 1510 ret = wm_adsp_buffer_populate(buf); 1511 if (ret < 0) 1512 goto err; 1513 1514 list_add_tail(&buf->list, &dsp->buffer_list); 1515 1516 compr_dbg(buf, "legacy host_buf_ptr=%x\n", buf->host_buf_ptr); 1517 1518 return 0; 1519 1520 err: 1521 kfree(buf); 1522 1523 return ret; 1524 } 1525 1526 static int wm_adsp_buffer_parse_coeff(struct cs_dsp_coeff_ctl *cs_ctl) 1527 { 1528 struct wm_adsp_host_buf_coeff_v1 coeff_v1; 1529 struct wm_adsp_compr_buf *buf; 1530 struct wm_adsp *dsp = container_of(cs_ctl->dsp, struct wm_adsp, cs_dsp); 1531 unsigned int version = 0; 1532 int ret, i; 1533 1534 for (i = 0; i < 5; ++i) { 1535 ret = cs_dsp_coeff_read_ctrl(cs_ctl, 0, &coeff_v1, 1536 min(cs_ctl->len, sizeof(coeff_v1))); 1537 if (ret < 0) 1538 return ret; 1539 1540 if (coeff_v1.host_buf_ptr) 1541 break; 1542 1543 usleep_range(1000, 2000); 1544 } 1545 1546 if (!coeff_v1.host_buf_ptr) { 1547 adsp_err(dsp, "Failed to acquire host buffer\n"); 1548 return -EIO; 1549 } 1550 1551 buf = wm_adsp_buffer_alloc(dsp); 1552 if (!buf) 1553 return -ENOMEM; 1554 1555 buf->host_buf_mem_type = cs_ctl->alg_region.type; 1556 buf->host_buf_ptr = be32_to_cpu(coeff_v1.host_buf_ptr); 1557 1558 ret = wm_adsp_buffer_populate(buf); 1559 if (ret < 0) 1560 goto err; 1561 1562 /* 1563 * v0 host_buffer coefficients didn't have versioning, so if the 1564 * control is one word, assume version 0. 1565 */ 1566 if (cs_ctl->len == 4) 1567 goto done; 1568 1569 version = be32_to_cpu(coeff_v1.versions) & HOST_BUF_COEFF_COMPAT_VER_MASK; 1570 version >>= HOST_BUF_COEFF_COMPAT_VER_SHIFT; 1571 1572 if (version > HOST_BUF_COEFF_SUPPORTED_COMPAT_VER) { 1573 adsp_err(dsp, 1574 "Host buffer coeff ver %u > supported version %u\n", 1575 version, HOST_BUF_COEFF_SUPPORTED_COMPAT_VER); 1576 ret = -EINVAL; 1577 goto err; 1578 } 1579 1580 cs_dsp_remove_padding((u32 *)&coeff_v1.name, ARRAY_SIZE(coeff_v1.name)); 1581 1582 buf->name = kasprintf(GFP_KERNEL, "%s-dsp-%s", dsp->part, 1583 (char *)&coeff_v1.name); 1584 1585 done: 1586 list_add_tail(&buf->list, &dsp->buffer_list); 1587 1588 compr_dbg(buf, "host_buf_ptr=%x coeff version %u\n", 1589 buf->host_buf_ptr, version); 1590 1591 return version; 1592 1593 err: 1594 kfree(buf); 1595 1596 return ret; 1597 } 1598 1599 static int wm_adsp_buffer_init(struct wm_adsp *dsp) 1600 { 1601 struct cs_dsp_coeff_ctl *cs_ctl; 1602 int ret; 1603 1604 list_for_each_entry(cs_ctl, &dsp->cs_dsp.ctl_list, list) { 1605 if (cs_ctl->type != WMFW_CTL_TYPE_HOST_BUFFER) 1606 continue; 1607 1608 if (!cs_ctl->enabled) 1609 continue; 1610 1611 ret = wm_adsp_buffer_parse_coeff(cs_ctl); 1612 if (ret < 0) { 1613 adsp_err(dsp, "Failed to parse coeff: %d\n", ret); 1614 goto error; 1615 } else if (ret == 0) { 1616 /* Only one buffer supported for version 0 */ 1617 return 0; 1618 } 1619 } 1620 1621 if (list_empty(&dsp->buffer_list)) { 1622 /* Fall back to legacy support */ 1623 ret = wm_adsp_buffer_parse_legacy(dsp); 1624 if (ret == -ENODEV) 1625 adsp_info(dsp, "Legacy support not available\n"); 1626 else if (ret) 1627 adsp_warn(dsp, "Failed to parse legacy: %d\n", ret); 1628 } 1629 1630 return 0; 1631 1632 error: 1633 wm_adsp_buffer_free(dsp); 1634 return ret; 1635 } 1636 1637 static int wm_adsp_buffer_free(struct wm_adsp *dsp) 1638 { 1639 struct wm_adsp_compr_buf *buf, *tmp; 1640 1641 list_for_each_entry_safe(buf, tmp, &dsp->buffer_list, list) { 1642 wm_adsp_compr_detach(buf->compr); 1643 1644 kfree(buf->name); 1645 kfree(buf->regions); 1646 list_del(&buf->list); 1647 kfree(buf); 1648 } 1649 1650 return 0; 1651 } 1652 1653 static int wm_adsp_buffer_get_error(struct wm_adsp_compr_buf *buf) 1654 { 1655 int ret; 1656 1657 ret = wm_adsp_buffer_read(buf, HOST_BUFFER_FIELD(error), &buf->error); 1658 if (ret < 0) { 1659 compr_err(buf, "Failed to check buffer error: %d\n", ret); 1660 return ret; 1661 } 1662 if (buf->error != 0) { 1663 compr_err(buf, "Buffer error occurred: %d\n", buf->error); 1664 return -EIO; 1665 } 1666 1667 return 0; 1668 } 1669 1670 int wm_adsp_compr_trigger(struct snd_soc_component *component, 1671 struct snd_compr_stream *stream, int cmd) 1672 { 1673 struct wm_adsp_compr *compr = stream->runtime->private_data; 1674 struct wm_adsp *dsp = compr->dsp; 1675 int ret = 0; 1676 1677 compr_dbg(compr, "Trigger: %d\n", cmd); 1678 1679 mutex_lock(&dsp->cs_dsp.pwr_lock); 1680 1681 switch (cmd) { 1682 case SNDRV_PCM_TRIGGER_START: 1683 if (!wm_adsp_compr_attached(compr)) { 1684 ret = wm_adsp_compr_attach(compr); 1685 if (ret < 0) { 1686 compr_err(compr, "Failed to link buffer and stream: %d\n", 1687 ret); 1688 break; 1689 } 1690 } 1691 1692 ret = wm_adsp_buffer_get_error(compr->buf); 1693 if (ret < 0) 1694 break; 1695 1696 /* Trigger the IRQ at one fragment of data */ 1697 ret = wm_adsp_buffer_write(compr->buf, 1698 HOST_BUFFER_FIELD(high_water_mark), 1699 wm_adsp_compr_frag_words(compr)); 1700 if (ret < 0) { 1701 compr_err(compr, "Failed to set high water mark: %d\n", 1702 ret); 1703 break; 1704 } 1705 break; 1706 case SNDRV_PCM_TRIGGER_STOP: 1707 if (wm_adsp_compr_attached(compr)) 1708 wm_adsp_buffer_clear(compr->buf); 1709 break; 1710 default: 1711 ret = -EINVAL; 1712 break; 1713 } 1714 1715 mutex_unlock(&dsp->cs_dsp.pwr_lock); 1716 1717 return ret; 1718 } 1719 EXPORT_SYMBOL_GPL(wm_adsp_compr_trigger); 1720 1721 static inline int wm_adsp_buffer_size(struct wm_adsp_compr_buf *buf) 1722 { 1723 int last_region = wm_adsp_fw[buf->dsp->fw].caps->num_regions - 1; 1724 1725 return buf->regions[last_region].cumulative_size; 1726 } 1727 1728 static int wm_adsp_buffer_update_avail(struct wm_adsp_compr_buf *buf) 1729 { 1730 u32 next_read_index, next_write_index; 1731 int write_index, read_index, avail; 1732 int ret; 1733 1734 /* Only sync read index if we haven't already read a valid index */ 1735 if (buf->read_index < 0) { 1736 ret = wm_adsp_buffer_read(buf, 1737 HOST_BUFFER_FIELD(next_read_index), 1738 &next_read_index); 1739 if (ret < 0) 1740 return ret; 1741 1742 read_index = sign_extend32(next_read_index, 23); 1743 1744 if (read_index < 0) { 1745 compr_dbg(buf, "Avail check on unstarted stream\n"); 1746 return 0; 1747 } 1748 1749 buf->read_index = read_index; 1750 } 1751 1752 ret = wm_adsp_buffer_read(buf, HOST_BUFFER_FIELD(next_write_index), 1753 &next_write_index); 1754 if (ret < 0) 1755 return ret; 1756 1757 write_index = sign_extend32(next_write_index, 23); 1758 1759 avail = write_index - buf->read_index; 1760 if (avail < 0) 1761 avail += wm_adsp_buffer_size(buf); 1762 1763 compr_dbg(buf, "readindex=0x%x, writeindex=0x%x, avail=%d\n", 1764 buf->read_index, write_index, avail * CS_DSP_DATA_WORD_SIZE); 1765 1766 buf->avail = avail; 1767 1768 return 0; 1769 } 1770 1771 int wm_adsp_compr_handle_irq(struct wm_adsp *dsp) 1772 { 1773 struct wm_adsp_compr_buf *buf; 1774 struct wm_adsp_compr *compr; 1775 int ret = 0; 1776 1777 mutex_lock(&dsp->cs_dsp.pwr_lock); 1778 1779 if (list_empty(&dsp->buffer_list)) { 1780 ret = -ENODEV; 1781 goto out; 1782 } 1783 1784 adsp_dbg(dsp, "Handling buffer IRQ\n"); 1785 1786 list_for_each_entry(buf, &dsp->buffer_list, list) { 1787 compr = buf->compr; 1788 1789 ret = wm_adsp_buffer_get_error(buf); 1790 if (ret < 0) 1791 goto out_notify; /* Wake poll to report error */ 1792 1793 ret = wm_adsp_buffer_read(buf, HOST_BUFFER_FIELD(irq_count), 1794 &buf->irq_count); 1795 if (ret < 0) { 1796 compr_err(buf, "Failed to get irq_count: %d\n", ret); 1797 goto out; 1798 } 1799 1800 ret = wm_adsp_buffer_update_avail(buf); 1801 if (ret < 0) { 1802 compr_err(buf, "Error reading avail: %d\n", ret); 1803 goto out; 1804 } 1805 1806 if (wm_adsp_fw[dsp->fw].voice_trigger && buf->irq_count == 2) 1807 ret = WM_ADSP_COMPR_VOICE_TRIGGER; 1808 1809 out_notify: 1810 if (compr && compr->stream) 1811 snd_compr_fragment_elapsed(compr->stream); 1812 } 1813 1814 out: 1815 mutex_unlock(&dsp->cs_dsp.pwr_lock); 1816 1817 return ret; 1818 } 1819 EXPORT_SYMBOL_GPL(wm_adsp_compr_handle_irq); 1820 1821 static int wm_adsp_buffer_reenable_irq(struct wm_adsp_compr_buf *buf) 1822 { 1823 if (buf->irq_count & 0x01) 1824 return 0; 1825 1826 compr_dbg(buf, "Enable IRQ(0x%x) for next fragment\n", buf->irq_count); 1827 1828 buf->irq_count |= 0x01; 1829 1830 return wm_adsp_buffer_write(buf, HOST_BUFFER_FIELD(irq_ack), 1831 buf->irq_count); 1832 } 1833 1834 int wm_adsp_compr_pointer(struct snd_soc_component *component, 1835 struct snd_compr_stream *stream, 1836 struct snd_compr_tstamp *tstamp) 1837 { 1838 struct wm_adsp_compr *compr = stream->runtime->private_data; 1839 struct wm_adsp *dsp = compr->dsp; 1840 struct wm_adsp_compr_buf *buf; 1841 int ret = 0; 1842 1843 compr_dbg(compr, "Pointer request\n"); 1844 1845 mutex_lock(&dsp->cs_dsp.pwr_lock); 1846 1847 buf = compr->buf; 1848 1849 if (dsp->fatal_error || !buf || buf->error) { 1850 snd_compr_stop_error(stream, SNDRV_PCM_STATE_XRUN); 1851 ret = -EIO; 1852 goto out; 1853 } 1854 1855 if (buf->avail < wm_adsp_compr_frag_words(compr)) { 1856 ret = wm_adsp_buffer_update_avail(buf); 1857 if (ret < 0) { 1858 compr_err(compr, "Error reading avail: %d\n", ret); 1859 goto out; 1860 } 1861 1862 /* 1863 * If we really have less than 1 fragment available tell the 1864 * DSP to inform us once a whole fragment is available. 1865 */ 1866 if (buf->avail < wm_adsp_compr_frag_words(compr)) { 1867 ret = wm_adsp_buffer_get_error(buf); 1868 if (ret < 0) { 1869 if (buf->error) 1870 snd_compr_stop_error(stream, 1871 SNDRV_PCM_STATE_XRUN); 1872 goto out; 1873 } 1874 1875 ret = wm_adsp_buffer_reenable_irq(buf); 1876 if (ret < 0) { 1877 compr_err(compr, "Failed to re-enable buffer IRQ: %d\n", 1878 ret); 1879 goto out; 1880 } 1881 } 1882 } 1883 1884 tstamp->copied_total = compr->copied_total; 1885 tstamp->copied_total += buf->avail * CS_DSP_DATA_WORD_SIZE; 1886 tstamp->sampling_rate = compr->sample_rate; 1887 1888 out: 1889 mutex_unlock(&dsp->cs_dsp.pwr_lock); 1890 1891 return ret; 1892 } 1893 EXPORT_SYMBOL_GPL(wm_adsp_compr_pointer); 1894 1895 static int wm_adsp_buffer_capture_block(struct wm_adsp_compr *compr, int target) 1896 { 1897 struct wm_adsp_compr_buf *buf = compr->buf; 1898 unsigned int adsp_addr; 1899 int mem_type, nwords, max_read; 1900 int i, ret; 1901 1902 /* Calculate read parameters */ 1903 for (i = 0; i < wm_adsp_fw[buf->dsp->fw].caps->num_regions; ++i) 1904 if (buf->read_index < buf->regions[i].cumulative_size) 1905 break; 1906 1907 if (i == wm_adsp_fw[buf->dsp->fw].caps->num_regions) 1908 return -EINVAL; 1909 1910 mem_type = buf->regions[i].mem_type; 1911 adsp_addr = buf->regions[i].base_addr + 1912 (buf->read_index - buf->regions[i].offset); 1913 1914 max_read = wm_adsp_compr_frag_words(compr); 1915 nwords = buf->regions[i].cumulative_size - buf->read_index; 1916 1917 if (nwords > target) 1918 nwords = target; 1919 if (nwords > buf->avail) 1920 nwords = buf->avail; 1921 if (nwords > max_read) 1922 nwords = max_read; 1923 if (!nwords) 1924 return 0; 1925 1926 /* Read data from DSP */ 1927 ret = cs_dsp_read_raw_data_block(&buf->dsp->cs_dsp, mem_type, adsp_addr, 1928 nwords, (__be32 *)compr->raw_buf); 1929 if (ret < 0) 1930 return ret; 1931 1932 cs_dsp_remove_padding(compr->raw_buf, nwords); 1933 1934 /* update read index to account for words read */ 1935 buf->read_index += nwords; 1936 if (buf->read_index == wm_adsp_buffer_size(buf)) 1937 buf->read_index = 0; 1938 1939 ret = wm_adsp_buffer_write(buf, HOST_BUFFER_FIELD(next_read_index), 1940 buf->read_index); 1941 if (ret < 0) 1942 return ret; 1943 1944 /* update avail to account for words read */ 1945 buf->avail -= nwords; 1946 1947 return nwords; 1948 } 1949 1950 static int wm_adsp_compr_read(struct wm_adsp_compr *compr, 1951 char __user *buf, size_t count) 1952 { 1953 struct wm_adsp *dsp = compr->dsp; 1954 int ntotal = 0; 1955 int nwords, nbytes; 1956 1957 compr_dbg(compr, "Requested read of %zu bytes\n", count); 1958 1959 if (dsp->fatal_error || !compr->buf || compr->buf->error) { 1960 snd_compr_stop_error(compr->stream, SNDRV_PCM_STATE_XRUN); 1961 return -EIO; 1962 } 1963 1964 count /= CS_DSP_DATA_WORD_SIZE; 1965 1966 do { 1967 nwords = wm_adsp_buffer_capture_block(compr, count); 1968 if (nwords < 0) { 1969 compr_err(compr, "Failed to capture block: %d\n", 1970 nwords); 1971 return nwords; 1972 } 1973 1974 nbytes = nwords * CS_DSP_DATA_WORD_SIZE; 1975 1976 compr_dbg(compr, "Read %d bytes\n", nbytes); 1977 1978 if (copy_to_user(buf + ntotal, compr->raw_buf, nbytes)) { 1979 compr_err(compr, "Failed to copy data to user: %d, %d\n", 1980 ntotal, nbytes); 1981 return -EFAULT; 1982 } 1983 1984 count -= nwords; 1985 ntotal += nbytes; 1986 } while (nwords > 0 && count > 0); 1987 1988 compr->copied_total += ntotal; 1989 1990 return ntotal; 1991 } 1992 1993 int wm_adsp_compr_copy(struct snd_soc_component *component, 1994 struct snd_compr_stream *stream, char __user *buf, 1995 size_t count) 1996 { 1997 struct wm_adsp_compr *compr = stream->runtime->private_data; 1998 struct wm_adsp *dsp = compr->dsp; 1999 int ret; 2000 2001 mutex_lock(&dsp->cs_dsp.pwr_lock); 2002 2003 if (stream->direction == SND_COMPRESS_CAPTURE) 2004 ret = wm_adsp_compr_read(compr, buf, count); 2005 else 2006 ret = -ENOTSUPP; 2007 2008 mutex_unlock(&dsp->cs_dsp.pwr_lock); 2009 2010 return ret; 2011 } 2012 EXPORT_SYMBOL_GPL(wm_adsp_compr_copy); 2013 2014 static void wm_adsp_fatal_error(struct cs_dsp *cs_dsp) 2015 { 2016 struct wm_adsp *dsp = container_of(cs_dsp, struct wm_adsp, cs_dsp); 2017 struct wm_adsp_compr *compr; 2018 2019 dsp->fatal_error = true; 2020 2021 list_for_each_entry(compr, &dsp->compr_list, list) { 2022 if (compr->stream) 2023 snd_compr_fragment_elapsed(compr->stream); 2024 } 2025 } 2026 2027 irqreturn_t wm_adsp2_bus_error(int irq, void *data) 2028 { 2029 struct wm_adsp *dsp = (struct wm_adsp *)data; 2030 2031 cs_dsp_adsp2_bus_error(&dsp->cs_dsp); 2032 2033 return IRQ_HANDLED; 2034 } 2035 EXPORT_SYMBOL_GPL(wm_adsp2_bus_error); 2036 2037 irqreturn_t wm_halo_bus_error(int irq, void *data) 2038 { 2039 struct wm_adsp *dsp = (struct wm_adsp *)data; 2040 2041 cs_dsp_halo_bus_error(&dsp->cs_dsp); 2042 2043 return IRQ_HANDLED; 2044 } 2045 EXPORT_SYMBOL_GPL(wm_halo_bus_error); 2046 2047 irqreturn_t wm_halo_wdt_expire(int irq, void *data) 2048 { 2049 struct wm_adsp *dsp = data; 2050 2051 cs_dsp_halo_wdt_expire(&dsp->cs_dsp); 2052 2053 return IRQ_HANDLED; 2054 } 2055 EXPORT_SYMBOL_GPL(wm_halo_wdt_expire); 2056 2057 static const struct cs_dsp_client_ops wm_adsp1_client_ops = { 2058 .control_add = wm_adsp_control_add, 2059 .control_remove = wm_adsp_control_remove, 2060 }; 2061 2062 static const struct cs_dsp_client_ops wm_adsp2_client_ops = { 2063 .control_add = wm_adsp_control_add, 2064 .control_remove = wm_adsp_control_remove, 2065 .pre_run = wm_adsp_pre_run, 2066 .post_run = wm_adsp_event_post_run, 2067 .post_stop = wm_adsp_event_post_stop, 2068 .watchdog_expired = wm_adsp_fatal_error, 2069 }; 2070 2071 MODULE_LICENSE("GPL v2"); 2072 MODULE_IMPORT_NS(FW_CS_DSP); 2073