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